/* roulang page: index */
:root {
            --color-primary: #1F342E;
            --color-primary-dark: #162722;
            --color-accent: #7C2F3D;
            --color-accent-dark: #5F2430;
            --color-accent-deeper: #4A1C26;
            --color-bg: #F6F2EC;
            --color-card: #FFFFFF;
            --color-gold: #A8875B;
            --color-text: #2B2B28;
            --color-text-muted: #5F5D59;
            --color-text-inverse: #F6F2EC;
            --color-border: #E5DFD7;
            --radius-card: 10px;
            --radius-btn: 24px;
            --radius-tag: 14px;
            --radius-input: 6px;
            --shadow-card: 0 2px 8px rgba(31, 52, 46, 0.06), 0 0 0 1px #E5DFD7 inset;
            --shadow-card-hover: 0 10px 30px rgba(31, 52, 46, 0.12), 0 0 0 1px rgba(124, 47, 61, 0.25) inset;
            --shadow-nav: 0 2px 12px rgba(31, 52, 46, 0.05);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --font-num: "Helvetica Neue", Arial, sans-serif;
            --spacing-section: 72px;
            --container-max: 1200px;
            --transition-base: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base), background-color var(--transition-base);
        }

        a:hover,
        a:focus {
            color: var(--color-accent);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        section {
            padding: var(--spacing-section) 0;
        }

        @media (max-width: 1023px) {
            section {
                padding: 52px 0;
            }
        }

        @media (max-width: 639px) {
            section {
                padding: 40px 0;
            }
        }

        .section-header {
            margin-bottom: 40px;
        }
        .section-header .section-tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(124, 47, 61, 0.08);
            border-radius: var(--radius-tag);
            margin-bottom: 12px;
            letter-spacing: 0.05em;
        }
        .section-header h2 {
            font-size: clamp(24px, 2.8vw, 34px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }
        .section-header .section-desc {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            transition: all var(--transition-base);
            text-align: center;
            min-height: 44px;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn:hover,
        .btn:focus {
            text-decoration: none;
            color: inherit;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-primary {
            background: var(--color-accent);
            color: #FFFFFF;
            border: 2px solid var(--color-accent);
        }
        .btn-primary:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #FFFFFF;
        }
        .btn-primary:active {
            background: var(--color-accent-deeper);
            border-color: var(--color-accent-deeper);
            color: #FFFFFF;
        }
        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(124, 47, 61, 0.25);
        }
        .btn-secondary {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-secondary:hover {
            background: rgba(31, 52, 46, 0.07);
            color: var(--color-primary);
        }
        .btn-secondary:active {
            background: rgba(31, 52, 46, 0.14);
            color: var(--color-primary);
        }
        .btn-secondary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(31, 52, 46, 0.2);
        }
        .btn-light-outline {
            background: transparent;
            color: var(--color-text-inverse);
            border: 2px solid var(--color-text-inverse);
        }
        .btn-light-outline:hover {
            background: rgba(246, 242, 236, 0.12);
            color: var(--color-text-inverse);
        }
        .btn-light-outline:active {
            background: rgba(246, 242, 236, 0.2);
            color: var(--color-text-inverse);
        }
        .btn-text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-accent);
            font-weight: 600;
            font-size: 14px;
            padding: 6px 0;
            background: transparent;
            border: none;
            transition: color var(--transition-base), transform var(--transition-base);
        }
        .btn-text-link:hover {
            color: var(--color-accent-dark);
            text-decoration: underline;
        }
        .btn-text-link .arrow {
            display: inline-block;
            transition: transform var(--transition-base);
        }
        .btn-text-link:hover .arrow {
            transform: translateX(4px);
        }

        .badge {
            display: inline-block;
            padding: 2px 10px;
            font-size: 12px;
            font-weight: 600;
            color: #FFFFFF;
            background: var(--color-accent);
            border-radius: var(--radius-tag);
            letter-spacing: 0.03em;
            line-height: 1.5;
        }
        .badge-gold {
            background: var(--color-gold);
            color: #FFFFFF;
        }
        .badge-outline {
            background: transparent;
            border: 1px solid var(--color-accent);
            color: var(--color-accent);
        }

        .card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .card:hover::before {
            opacity: 1;
        }
        .card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-accent);
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .card-cover {
            border-radius: 8px;
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16 / 9;
            background: var(--color-bg);
        }
        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .card:hover .card-cover img {
            transform: scale(1.03);
        }

        .card h3 {
            font-size: clamp(18px, 1.6vw, 21px);
            font-weight: 600;
            line-height: 1.35;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: 0.01em;
        }
        .card .card-desc {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-muted);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-nav);
            transition: box-shadow var(--transition-base);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 68px;
            padding-top: 10px;
            padding-bottom: 10px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 18px;
        }
        .nav-logo .logo-text {
            font-weight: 700;
            font-size: 20px;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }
        .nav-logo:hover .logo-text {
            color: var(--color-accent);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 10px;
            font-size: 15px;
            color: var(--color-text);
            border-bottom: 2px solid transparent;
            transition: all var(--transition-base);
            border-radius: 4px 4px 0 0;
            line-height: 1.4;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
        }
        .nav-links a.active {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
            font-weight: 600;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .nav-search input {
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 6px 14px;
            font-size: 14px;
            width: 170px;
            background: #FFFFFF;
            color: var(--color-text);
            transition: all var(--transition-base);
            height: 38px;
        }
        .nav-search input::placeholder {
            color: #aaa;
        }
        .nav-search input:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(124, 47, 61, 0.12);
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            border-radius: 8px;
            background: transparent;
            border: 1px solid var(--color-border);
        }
        .nav-hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .nav-hamburger:hover span {
            background: var(--color-accent);
        }
        .mobile-menu {
            display: none;
            background: #FFFFFF;
            border-top: 1px solid var(--color-border);
            padding: 16px 20px;
        }
        .mobile-menu a {
            display: block;
            padding: 10px 0;
            font-size: 16px;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border);
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        .mobile-menu a:hover {
            color: var(--color-accent);
        }
        .mobile-menu a.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        @media (max-width: 1023px) {
            .nav-links {
                display: none;
            }
            .nav-search input {
                width: 120px;
            }
            .nav-hamburger {
                display: flex;
            }
            .mobile-menu {
                display: block;
            }
            .mobile-menu.hidden {
                display: none;
            }
        }
        @media (max-width: 639px) {
            .nav-search {
                display: none;
            }
            .nav-logo .logo-text {
                font-size: 18px;
            }
            .nav-hamburger {
                padding: 8px;
            }
            .site-header .container {
                min-height: 60px;
                padding-top: 8px;
                padding-bottom: 8px;
                gap: 12px;
            }
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            padding: 72px 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(31, 52, 46, 0.72);
            z-index: 1;
        }
        .hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-gold);
            z-index: 2;
        }
        .hero .container {
            position: relative;
            z-index: 3;
        }
        .hero-content {
            max-width: 680px;
            color: var(--color-text-inverse);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-inverse);
            background: rgba(246, 242, 236, 0.15);
            border: 1px solid rgba(246, 242, 236, 0.25);
            border-radius: var(--radius-tag);
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }
        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #E74C3C;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }
        .hero h1 {
            font-size: clamp(32px, 4.2vw, 54px);
            font-weight: 700;
            line-height: 1.18;
            letter-spacing: 0.02em;
            color: #F6F2EC;
            margin-bottom: 18px;
        }
        .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(246, 242, 236, 0.9);
            margin-bottom: 28px;
            max-width: 600px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .hero-countdown {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .countdown-label {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.85);
            font-weight: 500;
            letter-spacing: 0.03em;
        }
        .countdown-timer {
            display: flex;
            gap: 10px;
        }
        .countdown-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: rgba(246, 242, 236, 0.12);
            border: 1px solid rgba(246, 242, 236, 0.2);
            border-radius: 8px;
            padding: 8px 14px;
            min-width: 62px;
        }
        .countdown-item .num {
            font-size: 26px;
            font-weight: 700;
            font-family: var(--font-num);
            color: #F6F2EC;
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .countdown-item .unit {
            font-size: 11px;
            color: rgba(246, 242, 236, 0.75);
            letter-spacing: 0.05em;
            margin-top: 2px;
        }
        .hero-subscribe {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }
        .hero-subscribe input {
            border: 1px solid rgba(246, 242, 236, 0.4);
            border-radius: var(--radius-btn);
            padding: 11px 18px;
            font-size: 14px;
            background: rgba(246, 242, 236, 0.1);
            color: #F6F2EC;
            width: 260px;
            height: 46px;
            transition: all var(--transition-base);
        }
        .hero-subscribe input::placeholder {
            color: rgba(246, 242, 236, 0.6);
        }
        .hero-subscribe input:focus {
            outline: none;
            border-color: var(--color-gold);
            box-shadow: 0 0 0 3px rgba(168, 135, 91, 0.2);
        }

        @media (max-width: 639px) {
            .hero {
                min-height: 420px;
                padding: 48px 0;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-actions {
                gap: 10px;
            }
            .countdown-item {
                min-width: 50px;
                padding: 6px 10px;
            }
            .countdown-item .num {
                font-size: 20px;
            }
            .hero-subscribe input {
                width: 100%;
            }
        }

        /* Services Section */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            padding: 28px 24px;
        }
        .service-card .icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(31, 52, 46, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 20px;
            margin-bottom: 16px;
            transition: all var(--transition-base);
        }
        .service-card:hover .icon {
            background: var(--color-accent);
            color: #FFFFFF;
            transform: scale(1.05);
        }
        .service-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        @media (max-width: 1023px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }
        @media (max-width: 639px) {
            .services-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* Stats Dark Section */
        .stats-section {
            background: var(--color-primary);
            color: var(--color-text-inverse);
            padding: 64px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }
        .stat-item .stat-num {
            font-size: clamp(30px, 3vw, 44px);
            font-weight: 700;
            color: #F6F2EC;
            font-family: var(--font-num);
            line-height: 1.2;
            letter-spacing: -0.01em;
            margin-bottom: 8px;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.75);
            letter-spacing: 0.02em;
        }
        .stat-item .stat-divider {
            width: 36px;
            height: 2px;
            background: var(--color-gold);
            margin: 0 auto 14px;
            border-radius: 2px;
        }
        @media (max-width: 1023px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (max-width: 639px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

        /* Cases Section */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .case-card {
            padding: 0;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .case-card .case-cover {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--color-bg);
        }
        .case-card .case-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .case-card:hover .case-cover img {
            transform: scale(1.04);
        }
        .case-card .case-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .case-card h3 {
            margin-bottom: 6px;
        }
        .case-card .badge {
            align-self: flex-start;
            margin-bottom: 10px;
        }
        .case-card .case-summary {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .case-card .btn-text-link {
            align-self: flex-start;
        }

        @media (max-width: 1023px) {
            .cases-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }

        /* Deep Content Section */
        .content-section {
            background: #FFFFFF;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 1.6fr;
            gap: 48px;
            align-items: start;
        }
        .content-sidebar h2 {
            font-size: clamp(22px, 2.4vw, 30px);
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .content-sidebar .lead {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }
        .content-main p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text);
            margin-bottom: 20px;
            text-align: justify;
        }
        .content-main p:last-child {
            margin-bottom: 0;
        }
        @media (max-width: 1023px) {
            .content-wrapper {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* News Section */
        .news-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 32px;
        }
        .news-list-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }
        .news-list-item:first-child {
            padding-top: 0;
        }
        .news-list-item:hover {
            padding-left: 8px;
        }
        .news-list-item .badge {
            flex-shrink: 0;
            margin-top: 3px;
            min-width: 70px;
            text-align: center;
        }
        .news-list-item .news-text h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.5;
            margin-bottom: 4px;
            transition: color var(--transition-base);
        }
        .news-list-item:hover .news-text h4 {
            color: var(--color-accent);
        }
        .news-list-item .news-text p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 4px;
        }
        .news-list-item .btn-text-link {
            font-size: 13px;
        }
        .news-sidebar .side-card {
            padding: 20px;
            margin-bottom: 18px;
        }
        .news-sidebar .side-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .news-sidebar .side-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid var(--color-border);
            font-size: 14px;
            color: var(--color-text-muted);
            transition: color var(--transition-base);
            cursor: pointer;
        }
        .news-sidebar .side-card ul li:last-child {
            border-bottom: none;
        }
        .news-sidebar .side-card ul li:hover {
            color: var(--color-accent);
        }
        .news-sidebar .side-card ul li .rank {
            display: inline-flex;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #FFFFFF;
            font-size: 11px;
            font-weight: 700;
            align-items: center;
            justify-content: center;
            margin-right: 8px;
        }
        .news-sidebar .side-card ul li:nth-child(1) .rank {
            background: var(--color-accent);
        }
        .news-sidebar .side-card ul li:nth-child(2) .rank {
            background: var(--color-gold);
        }
        .news-sidebar .side-card ul li:nth-child(3) .rank {
            background: var(--color-gold);
        }

        @media (max-width: 1023px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* Brand Intro */
        .brand-intro {
            background: var(--color-primary);
            color: var(--color-text-inverse);
            border-top: 3px solid var(--color-gold);
        }
        .brand-intro .container {
            max-width: 900px;
        }
        .brand-intro h2 {
            color: #F6F2EC;
            font-size: clamp(22px, 2.4vw, 30px);
            text-align: center;
            margin-bottom: 24px;
        }
        .brand-intro p {
            font-size: 15px;
            line-height: 1.95;
            color: rgba(246, 242, 236, 0.88);
            text-align: justify;
            margin-bottom: 16px;
        }
        .brand-intro p:last-child {
            margin-bottom: 0;
        }
        .brand-intro .gold-divider {
            width: 50px;
            height: 2px;
            background: var(--color-gold);
            margin: 0 auto 20px;
            border-radius: 2px;
        }

        /* Changelog */
        .changelog-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .changelog-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border);
            align-items: flex-start;
        }
        .changelog-item:first-child {
            padding-top: 0;
        }
        .changelog-item:last-child {
            border-bottom: none;
        }
        .changelog-version {
            flex-shrink: 0;
            min-width: 90px;
            padding: 4px 12px;
            font-size: 13px;
            font-weight: 700;
            color: var(--color-accent);
            background: rgba(124, 47, 61, 0.07);
            border-radius: var(--radius-tag);
            text-align: center;
            letter-spacing: 0.03em;
        }
        .changelog-item .changelog-text h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .changelog-item .changelog-text p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* Social Proof */
        .social-proof-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .social-proof-card {
            text-align: center;
            padding: 28px 20px;
        }
        .social-proof-card .stars {
            color: var(--color-gold);
            font-size: 18px;
            letter-spacing: 3px;
            margin-bottom: 12px;
        }
        .social-proof-card blockquote {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }
        .social-proof-card .source {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
        }
        @media (max-width: 1023px) {
            .social-proof-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* FAQ */
        .faq-section {
            background: #FFFFFF;
        }
        .faq-wrapper {
            max-width: 820px;
            margin: 0 auto;
        }
        .accordion {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .accordion-item {
            border: 1px solid var(--color-border);
            border-radius: 10px;
            margin-bottom: 12px;
            overflow: hidden;
            background: #FFFFFF;
            transition: all var(--transition-base);
        }
        .accordion-item:hover {
            border-left-color: var(--color-accent);
        }
        .accordion-item.is-active {
            border-left: 3px solid var(--color-accent);
        }
        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            transition: color var(--transition-base);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            line-height: 1.5;
            gap: 12px;
            min-height: 44px;
        }
        .accordion-title:hover {
            color: var(--color-accent);
        }
        .accordion-title .accordion-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(124, 47, 61, 0.1);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            transition: all var(--transition-base);
        }
        .accordion-item.is-active .accordion-icon {
            background: var(--color-accent);
            color: #FFFFFF;
            transform: rotate(45deg);
        }
        .accordion-content {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
            display: none;
        }
        .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* Contact Section */
        .contact-section {
            background: var(--color-bg);
        }
        .contact-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .contact-form-card {
            background: #FFFFFF;
            padding: 36px 32px;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }
        .contact-form-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 20px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            color: var(--color-text-muted);
            margin-bottom: 6px;
            font-weight: 500;
        }
        .form-group label .required {
            color: var(--color-accent);
            margin-left: 2px;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 14px;
            font-size: 14px;
            color: var(--color-text);
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-input);
            transition: all var(--transition-base);
            min-height: 44px;
            -webkit-appearance: none;
            appearance: none;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(124, 47, 61, 0.12);
        }
        .form-group select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235F5D59' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }
        .contact-info-side {
            padding: 24px 0;
        }
        .contact-info-side h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .contact-info-side .info-item {
            display: flex;
            gap: 12px;
            align-items: center;
            margin-bottom: 14px;
            font-size: 14px;
            color: var(--color-text-muted);
        }
        .contact-info-side .info-item .info-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(31, 52, 46, 0.06);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex-shrink: 0;
        }
        @media (max-width: 1023px) {
            .contact-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: var(--color-text-inverse);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 40px;
        }
        .footer-brand .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: #F6F2EC;
            letter-spacing: 0.02em;
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 13px;
            color: rgba(246, 242, 236, 0.75);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #F6F2EC;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.7);
            transition: color var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: #F6F2EC;
        }
        .footer-subscribe p {
            font-size: 13px;
            color: rgba(246, 242, 236, 0.7);
            margin-bottom: 12px;
            line-height: 1.6;
        }
        .footer-subscribe .subscribe-box {
            display: flex;
            gap: 8px;
        }
        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            font-size: 13px;
            background: rgba(246, 242, 236, 0.1);
            border: 1px solid rgba(246, 242, 236, 0.25);
            border-radius: var(--radius-input);
            color: #F6F2EC;
            min-height: 40px;
        }
        .footer-subscribe input::placeholder {
            color: rgba(246, 242, 236, 0.5);
        }
        .footer-subscribe input:focus {
            outline: none;
            border-color: var(--color-gold);
            box-shadow: 0 0 0 3px rgba(168, 135, 91, 0.2);
        }
        .footer-subscribe .btn-primary {
            padding: 8px 18px;
            font-size: 13px;
            min-height: 40px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(246, 242, 236, 0.12);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(246, 242, 236, 0.6);
        }
        .footer-bottom a {
            color: rgba(246, 242, 236, 0.7);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        .footer-bottom a:hover {
            color: #F6F2EC;
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 639px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .footer-bottom .footer-links {
                justify-content: center;
            }
        }

        /* Utility */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .gold-divider {
            width: 50px;
            height: 2px;
            background: var(--color-gold);
            border-radius: 2px;
            margin: 0 auto;
        }

        /* Section variant backgrounds */
        .bg-white {
            background: #FFFFFF;
        }
        .bg-warm {
            background: var(--color-bg);
        }
        .bg-dark {
            background: var(--color-primary);
            color: var(--color-text-inverse);
        }
        .bg-dark h2 {
            color: #F6F2EC;
        }
        .bg-dark .section-desc {
            color: rgba(246, 242, 236, 0.75);
        }
        .bg-dark .section-tag {
            color: var(--color-gold);
            background: rgba(168, 135, 91, 0.15);
        }

        /* CTA Banner */
        .cta-banner {
            background: var(--color-primary);
            border-top: 3px solid var(--color-gold);
            text-align: center;
            padding: 56px 0;
        }
        .cta-banner h2 {
            color: #F6F2EC;
            font-size: clamp(22px, 2.4vw, 30px);
            margin-bottom: 12px;
        }
        .cta-banner p {
            color: rgba(246, 242, 236, 0.8);
            font-size: 15px;
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        /* Responsive fine-tuning */
        @media (max-width: 520px) {
            .btn {
                padding: 10px 20px;
                font-size: 14px;
                min-height: 42px;
            }
            .card {
                padding: 18px;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1F342E;
            --color-primary-dark: #162722;
            --color-accent: #7C2F3D;
            --color-accent-dark: #5F2430;
            --color-accent-deeper: #4A1C26;
            --color-bg: #F6F2EC;
            --color-card: #FFFFFF;
            --color-gold: #A8875B;
            --color-text: #2B2B28;
            --color-text-muted: #5F5D59;
            --color-text-inverse: #F6F2EC;
            --color-border: #E5DFD7;
            --radius-card: 10px;
            --radius-btn: 24px;
            --radius-tag: 14px;
            --radius-input: 6px;
            --shadow-card: 0 2px 8px rgba(31, 52, 46, 0.06), 0 0 0 1px #E5DFD7 inset;
            --shadow-card-hover: 0 10px 30px rgba(31, 52, 46, 0.12), 0 0 0 1px rgba(124, 47, 61, 0.25) inset;
            --shadow-nav: 0 2px 12px rgba(31, 52, 46, 0.05);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --font-num: "Helvetica Neue", Arial, sans-serif;
            --spacing-section: 72px;
            --container-max: 1200px;
            --transition-base: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base), background-color var(--transition-base);
        }

        a:hover,
        a:focus {
            color: var(--color-accent);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        section {
            padding: var(--spacing-section) 0;
        }

        @media (max-width: 1024px) {
            section {
                padding: 52px 0;
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 40px 0;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-nav);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            min-height: 64px;
            flex-wrap: nowrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gold);
            font-size: 16px;
        }

        .nav-logo-text {
            font-weight: 700;
            font-size: 20px;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 20px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
        }

        .nav-links a {
            font-size: 15px;
            color: var(--color-text);
            padding: 8px 2px;
            border-bottom: 2px solid transparent;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a:focus {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
        }

        .nav-links a.active {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 6px 14px;
            gap: 6px;
        }

        .nav-search input {
            border: none;
            background: none;
            font-size: 14px;
            color: var(--color-text);
            width: 140px;
            padding: 2px 0;
        }

        .nav-search input::placeholder {
            color: var(--color-text-muted);
        }

        .nav-search input:focus-visible {
            outline: none;
            border-radius: 0;
        }

        .nav-search .fa-magnifying-glass {
            color: var(--color-text-muted);
            font-size: 13px;
        }

        .nav-cta {
            background: var(--color-accent);
            color: #FFFFFF;
            padding: 8px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
            min-height: 40px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-base);
            border: 2px solid var(--color-accent);
        }

        .nav-cta:hover,
        .nav-cta:focus {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #FFFFFF;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-primary);
            border-radius: 6px;
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 12px;
            }
            .nav-links a {
                font-size: 14px;
            }
            .nav-search input {
                width: 100px;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 8px 20px rgba(31, 52, 46, 0.1);
                z-index: 99;
            }
            .nav-links.mobile-open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 4px;
                border-bottom: none;
                font-size: 16px;
            }
            .nav-links a.active {
                background: rgba(124, 47, 61, 0.06);
                border-radius: 6px;
                padding-left: 12px;
            }
            .nav-search {
                display: none;
            }
            .nav-cta .btn-text {
                display: none;
            }
            .nav-cta {
                padding: 8px 14px;
                min-height: 40px;
                width: 40px;
                justify-content: center;
            }
            .nav-cta .fa-paper-plane {
                display: inline-block;
            }
        }

        @media (min-width: 769px) {
            .nav-cta .fa-paper-plane {
                display: none;
            }
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            padding: 10px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-base);
        }

        .breadcrumb a:hover {
            color: var(--color-accent);
        }

        .breadcrumb .separator {
            color: var(--color-border);
            font-size: 10px;
        }

        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* Hero Banner */
        .hero-banner {
            position: relative;
            min-height: 360px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(31, 52, 46, 0.72);
            z-index: 1;
        }

        .hero-banner .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-banner-content {
            max-width: 720px;
            padding: 30px 0;
        }

        .hero-banner-tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            color: #FFFFFF;
            background: var(--color-gold);
            border-radius: var(--radius-tag);
            margin-bottom: 14px;
            letter-spacing: 0.05em;
        }

        .hero-banner h1 {
            font-size: clamp(28px, 3.6vw, 44px);
            font-weight: 700;
            line-height: 1.2;
            color: #FFFFFF;
            letter-spacing: 0.02em;
            margin-bottom: 14px;
        }

        .hero-banner p {
            font-size: 16px;
            line-height: 1.7;
            color: rgba(246, 242, 236, 0.92);
            max-width: 560px;
            margin-bottom: 24px;
        }

        .hero-banner-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            transition: all var(--transition-base);
            text-align: center;
            min-height: 44px;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn:hover,
        .btn:focus {
            text-decoration: none;
            color: inherit;
        }

        .btn:active {
            transform: translateY(1px);
        }

        .btn-primary {
            background: var(--color-accent);
            color: #FFFFFF;
            border: 2px solid var(--color-accent);
        }

        .btn-primary:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #FFFFFF;
        }

        .btn-primary:active {
            background: var(--color-accent-deeper);
            border-color: var(--color-accent-deeper);
        }

        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(124, 47, 61, 0.25);
        }

        .btn-secondary {
            background: transparent;
            color: #F6F2EC;
            border: 2px solid rgba(246, 242, 236, 0.6);
        }

        .btn-secondary:hover {
            background: rgba(246, 242, 236, 0.12);
            color: #F6F2EC;
            border-color: #F6F2EC;
        }

        .btn-secondary:active {
            background: rgba(246, 242, 236, 0.22);
        }

        .btn-secondary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(246, 242, 236, 0.2);
        }

        /* Section headers */
        .section-header {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(124, 47, 61, 0.08);
            border-radius: var(--radius-tag);
            margin-bottom: 12px;
            letter-spacing: 0.05em;
        }

        .section-header h2 {
            font-size: clamp(24px, 2.8vw, 34px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .section-desc {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.7;
        }

        /* Service Cards */
        .service-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: transparent;
            transition: background var(--transition-base);
        }

        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .service-card:hover::before {
            background: var(--color-accent);
        }

        .service-icon {
            width: 48px;
            height: 48px;
            background: rgba(31, 52, 46, 0.08);
            color: var(--color-primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .service-card h3 {
            font-size: clamp(18px, 1.6vw, 21px);
            font-weight: 600;
            line-height: 1.35;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .service-card p {
            font-size: 15px;
            line-height: 1.65;
            color: var(--color-text-muted);
            flex: 1;
        }

        /* Data Strip */
        .data-strip {
            background: var(--color-primary);
            padding: 48px 0;
        }

        .data-strip .container {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: space-between;
        }

        .data-item {
            flex: 1 1 180px;
            text-align: center;
            padding: 8px;
        }

        .data-number {
            font-family: var(--font-num);
            font-size: clamp(30px, 3vw, 44px);
            font-weight: 700;
            color: #F6F2EC;
            letter-spacing: -0.01em;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .data-label {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.75);
            letter-spacing: 0.02em;
        }

        /* Event Type Cards */
        .event-type-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .event-type-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .event-type-card .card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            flex-shrink: 0;
        }

        .event-type-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .event-type-card:hover .card-img img {
            transform: scale(1.04);
        }

        .event-type-card .card-body {
            padding: 20px 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .event-type-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
            transition: color var(--transition-base);
        }

        .event-type-card:hover h3 {
            color: var(--color-accent);
        }

        .event-type-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }

        .card-tag {
            display: inline-block;
            padding: 3px 12px;
            font-size: 12px;
            font-weight: 600;
            color: #FFFFFF;
            background: var(--color-accent);
            border-radius: var(--radius-tag);
            align-self: flex-start;
            letter-spacing: 0.03em;
        }

        /* Process Timeline */
        .process-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 32px;
        }

        .process-list::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--color-border);
        }

        .process-item {
            position: relative;
            padding: 16px 0 16px 24px;
        }

        .process-item::before {
            content: '';
            position: absolute;
            left: -27px;
            top: 22px;
            width: 12px;
            height: 12px;
            background: var(--color-gold);
            border-radius: 50%;
            border: 2px solid var(--color-primary);
        }

        .process-item h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .process-item p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.65;
        }

        .process-item .step-number {
            display: inline-block;
            font-family: var(--font-num);
            font-size: 13px;
            font-weight: 700;
            color: var(--color-gold);
            background: rgba(168, 135, 91, 0.12);
            padding: 2px 10px;
            border-radius: 12px;
            margin-bottom: 6px;
            letter-spacing: 0.04em;
        }

        /* Deep content */
        .deep-content {
            background: #FFFFFF;
            padding: 56px 0;
        }

        .deep-content h2 {
            font-size: clamp(24px, 2.8vw, 34px);
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 18px;
            line-height: 1.25;
        }

        .deep-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            margin: 20px 0 8px;
        }

        .deep-content p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            margin-bottom: 14px;
        }

        .deep-content .highlight {
            border-left: 3px solid var(--color-accent);
            padding: 12px 20px;
            background: rgba(124, 47, 61, 0.04);
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.75;
            border-radius: 0 6px 6px 0;
            margin: 16px 0;
        }

        /* Case Cards */
        .case-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
        }

        .case-card .case-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            flex-shrink: 0;
        }

        .case-card .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .case-card:hover .case-img img {
            transform: scale(1.04);
        }

        .case-card .case-body {
            padding: 22px 24px 26px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .case-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .case-date {
            padding: 3px 12px;
            font-size: 12px;
            font-weight: 600;
            color: #FFFFFF;
            background: var(--color-accent);
            border-radius: var(--radius-tag);
        }

        .case-category {
            font-size: 13px;
            color: var(--color-gold);
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        .case-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
            transition: color var(--transition-base);
        }

        .case-card:hover h3 {
            color: var(--color-accent);
        }

        .case-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 14px;
        }

        .case-link {
            color: var(--color-accent);
            font-size: 14px;
            font-weight: 600;
            align-self: flex-start;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-base);
        }

        .case-link .fa-arrow-right {
            font-size: 12px;
            transition: transform var(--transition-base);
        }

        .case-link:hover {
            color: var(--color-accent-dark);
            text-decoration: underline;
        }

        .case-link:hover .fa-arrow-right {
            transform: translateX(4px);
        }

        /* FAQ */
        .faq-section {
            background: #FFFFFF;
        }

        .accordion {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .accordion-item {
            border-bottom: 1px solid var(--color-border);
        }

        .accordion-item:last-child {
            border-bottom: none;
        }

        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            width: 100%;
            text-align: left;
            transition: all var(--transition-base);
            cursor: pointer;
            background: #FFFFFF;
        }

        .accordion-title:hover {
            background: rgba(246, 242, 236, 0.6);
            color: var(--color-accent);
        }

        .accordion-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 16px;
            transition: transform var(--transition-base);
        }

        .accordion-item.is-active .accordion-icon {
            transform: rotate(45deg);
        }

        .accordion-content {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.7;
            display: none;
        }

        .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* CTA Banner */
        .cta-banner {
            background: var(--color-primary);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-gold);
        }

        .cta-banner-content {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-banner h2 {
            font-size: clamp(24px, 2.8vw, 34px);
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            line-height: 1.25;
        }

        .cta-banner p {
            font-size: 16px;
            color: rgba(246, 242, 236, 0.85);
            margin-bottom: 26px;
            line-height: 1.7;
        }

        /* Contact Form */
        .contact-section {
            background: var(--color-bg);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
        }

        @media (max-width: 768px) {
            .contact-grid {
                grid-template-columns: 1fr;
            }
        }

        .contact-form-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px;
        }

        .contact-form-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 18px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            font-size: 14px;
            color: var(--color-text-muted);
            margin-bottom: 6px;
            display: block;
        }

        .form-group label .required {
            color: var(--color-accent);
            font-weight: 600;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-input);
            font-size: 15px;
            color: var(--color-text);
            background: #FFFFFF;
            transition: all var(--transition-base);
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(124, 47, 61, 0.12);
            outline: none;
        }

        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 18px;
            justify-content: center;
        }

        .contact-info-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .contact-info-icon {
            width: 40px;
            height: 40px;
            background: rgba(31, 52, 46, 0.08);
            color: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .contact-info-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .contact-info-item p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary-dark);
            color: var(--color-text-inverse);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(246, 242, 236, 0.15);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        .footer-brand .logo-text {
            font-weight: 700;
            font-size: 22px;
            color: #FFFFFF;
            letter-spacing: 0.03em;
            margin-bottom: 8px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.75);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.75);
            transition: color var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: #FFFFFF;
        }

        .footer-subscribe p {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.75);
            margin-bottom: 12px;
        }

        .subscribe-box {
            display: flex;
            gap: 8px;
        }

        .subscribe-box input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid rgba(246, 242, 236, 0.3);
            border-radius: var(--radius-input);
            background: rgba(246, 242, 236, 0.08);
            color: #FFFFFF;
            font-size: 14px;
            min-width: 0;
        }

        .subscribe-box input::placeholder {
            color: rgba(246, 242, 236, 0.5);
        }

        .subscribe-box input:focus {
            border-color: rgba(246, 242, 236, 0.6);
            outline: none;
            box-shadow: 0 0 0 3px rgba(246, 242, 236, 0.1);
        }

        .subscribe-box .btn-primary {
            padding: 10px 20px;
            font-size: 14px;
            min-height: 40px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            padding: 18px 0;
            font-size: 13px;
            color: rgba(246, 242, 236, 0.6);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: rgba(246, 242, 236, 0.6);
            transition: color var(--transition-base);
        }

        .footer-links a:hover {
            color: #FFFFFF;
        }

        @media (max-width: 768px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-links {
                justify-content: center;
            }
            .subscribe-box {
                flex-direction: column;
            }
        }

        /* Grid margin overrides */
        .grid-x {
            margin-left: -12px;
            margin-right: -12px;
        }
        .grid-x > .cell {
            padding-left: 12px;
            padding-right: 12px;
        }

        .margin-top-32 {
            margin-top: 32px;
        }
        .margin-bottom-20 {
            margin-bottom: 20px;
        }
        .margin-top-40 {
            margin-top: 40px;
        }

/* roulang page: category3 */
:root {
            --color-primary: #1F342E;
            --color-primary-dark: #162722;
            --color-accent: #7C2F3D;
            --color-accent-dark: #5F2430;
            --color-accent-deeper: #4A1C26;
            --color-bg: #F6F2EC;
            --color-card: #FFFFFF;
            --color-gold: #A8875B;
            --color-text: #2B2B28;
            --color-text-muted: #5F5D59;
            --color-text-inverse: #F6F2EC;
            --color-border: #E5DFD7;
            --radius-card: 10px;
            --radius-btn: 24px;
            --radius-tag: 14px;
            --radius-input: 6px;
            --shadow-card: 0 2px 8px rgba(31, 52, 46, 0.06), 0 0 0 1px #E5DFD7 inset;
            --shadow-card-hover: 0 10px 30px rgba(31, 52, 46, 0.12), 0 0 0 1px rgba(124, 47, 61, 0.25) inset;
            --shadow-nav: 0 2px 12px rgba(31, 52, 46, 0.05);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --font-num: "Helvetica Neue", Arial, sans-serif;
            --spacing-section: 72px;
            --container-max: 1200px;
            --transition-base: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base), background-color var(--transition-base);
        }

        a:hover,
        a:focus {
            color: var(--color-accent);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 10px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.25;
        }

        p {
            margin: 0 0 16px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-nav);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary);
            color: var(--color-text-inverse);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            letter-spacing: -0.02em;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .nav-links a {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: 4px;
            white-space: nowrap;
            letter-spacing: 0.01em;
            transition: color var(--transition-base);
        }

        .nav-links a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            transition: width var(--transition-base);
        }

        .nav-links a:hover,
        .nav-links a:focus {
            color: var(--color-accent);
        }

        .nav-links a:hover::after,
        .nav-links a:focus::after,
        .nav-links a.active::after {
            width: calc(100% - 28px);
        }

        .nav-links a.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 6px;
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 6px 14px;
            min-width: 160px;
        }

        .search-box i {
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 13px;
            color: var(--color-text);
            width: 100%;
        }

        .search-box input::placeholder {
            color: var(--color-text-muted);
            opacity: 0.7;
        }

        .search-box input:focus-visible {
            outline: none;
            border-radius: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            transition: all var(--transition-base);
            text-align: center;
            min-height: 44px;
            white-space: nowrap;
            letter-spacing: 0.01em;
            border: 2px solid transparent;
        }

        .btn:hover,
        .btn:focus {
            text-decoration: none;
            color: inherit;
        }

        .btn:active {
            transform: translateY(1px);
        }

        .btn-primary {
            background: var(--color-accent);
            color: #FFFFFF;
            border-color: var(--color-accent);
        }

        .btn-primary:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #FFFFFF;
        }

        .btn-primary:active {
            background: var(--color-accent-deeper);
            border-color: var(--color-accent-deeper);
            color: #FFFFFF;
        }

        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(124, 47, 61, 0.25);
        }

        .btn-secondary {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

        .btn-secondary:hover {
            background: rgba(31, 52, 46, 0.07);
            color: var(--color-primary);
        }

        .btn-secondary:active {
            background: rgba(31, 52, 46, 0.14);
            color: var(--color-primary);
        }

        .btn-nav {
            padding: 8px 18px;
            min-height: 38px;
            font-size: 14px;
            border-radius: 20px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            border-radius: 6px;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-base);
        }

        .breadcrumb a:hover {
            color: var(--color-accent);
        }

        .breadcrumb .separator {
            color: var(--color-border);
        }

        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* ========== BANNER ========== */
        .page-banner {
            position: relative;
            min-height: 300px;
            display: flex;
            align-items: center;
            background-color: var(--color-primary);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(31, 52, 46, 0.82);
            z-index: 1;
        }

        .page-banner::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-gold);
            z-index: 2;
            opacity: 0.6;
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .banner-content {
            max-width: 720px;
            padding: 30px 0;
        }

        .banner-tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-gold);
            background: rgba(168, 135, 91, 0.15);
            border: 1px solid rgba(168, 135, 91, 0.35);
            border-radius: var(--radius-tag);
            margin-bottom: 14px;
            letter-spacing: 0.06em;
        }

        .banner-content h1 {
            font-size: clamp(28px, 3.6vw, 44px);
            font-weight: 700;
            line-height: 1.2;
            color: var(--color-text-inverse);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .banner-content p {
            font-size: 16px;
            color: rgba(246, 242, 236, 0.82);
            line-height: 1.75;
            max-width: 560px;
            margin-bottom: 0;
        }

        /* ========== SECTION COMMON ========== */
        section {
            padding: var(--spacing-section) 0;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(124, 47, 61, 0.08);
            border-radius: var(--radius-tag);
            margin-bottom: 12px;
            letter-spacing: 0.05em;
        }

        .section-header h2 {
            font-size: clamp(24px, 2.8vw, 34px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .section-header .section-desc {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.7;
        }

        .section-desc a {
            color: var(--color-accent);
            font-weight: 500;
        }

        .section-desc a:hover {
            text-decoration: underline;
        }

        /* ========== CARD GRID ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .info-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .info-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-accent);
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform var(--transition-base);
        }

        .info-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .info-card:hover::before {
            transform: scaleX(1);
        }

        .info-card .card-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(31, 52, 46, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-primary);
            margin-bottom: 14px;
        }

        .info-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--color-primary);
            transition: color var(--transition-base);
        }

        .info-card:hover h3 {
            color: var(--color-accent);
        }

        .info-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== ALTERNATE LAYOUT ========== */
        .alt-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .alt-block.reverse {
            direction: rtl;
        }

        .alt-block.reverse>* {
            direction: ltr;
        }

        .alt-content h3 {
            font-size: clamp(20px, 2vw, 26px);
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .alt-content p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .alt-content .highlight-list {
            margin-top: 16px;
        }

        .highlight-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            padding: 6px 0;
            font-size: 14px;
            color: var(--color-text);
            line-height: 1.6;
        }

        .highlight-list li i {
            color: var(--color-accent);
            font-size: 12px;
            margin-top: 5px;
            flex-shrink: 0;
        }

        .alt-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .alt-image img {
            width: 100%;
            height: 100%;
            min-height: 300px;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .alt-image:hover img {
            transform: scale(1.03);
        }

        .alt-image .image-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(31, 52, 46, 0.85);
            color: var(--color-text-inverse);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        /* ========== PROCESS ========== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .process-step {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 24px 18px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

        .process-step:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .step-number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-family: var(--font-num);
        }

        .process-step h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== DARK STATS ========== */
        .stats-dark {
            background: var(--color-primary);
            padding: 60px 0;
            position: relative;
        }

        .stats-dark::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-gold);
            opacity: 0.5;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-item .stat-number {
            font-size: clamp(30px, 3vw, 44px);
            font-weight: 700;
            color: var(--color-text-inverse);
            font-family: var(--font-num);
            letter-spacing: -0.01em;
            margin-bottom: 6px;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.7);
            letter-spacing: 0.02em;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #FFFFFF;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            background: var(--color-card);
            overflow: hidden;
            transition: border-color var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(124, 47, 61, 0.4);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            transition: color var(--transition-base);
            width: 100%;
            text-align: left;
            min-height: 44px;
        }

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(124, 47, 61, 0.1);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: transform var(--transition-base), background var(--transition-base);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 22px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.75;
            padding-bottom: 18px;
            margin-bottom: 0;
        }

        .faq-item.active .faq-icon {
            background: var(--color-accent);
            color: #FFFFFF;
            transform: rotate(45deg);
        }

        .faq-item.active .faq-answer {
            max-height: 220px;
        }

        /* ========== CTA BANNER ========== */
        .cta-banner {
            background: var(--color-primary);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-gold);
            opacity: 0.5;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-text h2 {
            font-size: clamp(22px, 2.4vw, 30px);
            color: var(--color-text-inverse);
            margin-bottom: 8px;
        }

        .cta-text p {
            font-size: 15px;
            color: rgba(246, 242, 236, 0.75);
            margin-bottom: 0;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-cta-light {
            background: var(--color-text-inverse);
            color: var(--color-primary);
            border-color: var(--color-text-inverse);
        }

        .btn-cta-light:hover {
            background: rgba(246, 242, 236, 0.85);
            border-color: rgba(246, 242, 236, 0.85);
            color: var(--color-primary);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: var(--color-text-inverse);
            padding: 56px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .logo-text {
            color: var(--color-text-inverse);
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.65);
            line-height: 1.7;
            max-width: 260px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-inverse);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.65);
            transition: color var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--color-text-inverse);
        }

        .footer-subscribe p {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.65);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .subscribe-box {
            display: flex;
            gap: 8px;
        }

        .subscribe-box input {
            flex: 1;
            min-width: 0;
            background: rgba(246, 242, 236, 0.08);
            border: 1px solid rgba(246, 242, 236, 0.2);
            border-radius: 20px;
            padding: 8px 16px;
            font-size: 13px;
            color: var(--color-text-inverse);
            outline: none;
            transition: border-color var(--transition-base);
        }

        .subscribe-box input::placeholder {
            color: rgba(246, 242, 236, 0.4);
        }

        .subscribe-box input:focus {
            border-color: rgba(246, 242, 236, 0.6);
        }

        .subscribe-box .btn {
            padding: 8px 20px;
            min-height: 38px;
            font-size: 13px;
            border-radius: 20px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(246, 242, 236, 0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(246, 242, 236, 0.5);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
        }

        .footer-links a {
            color: rgba(246, 242, 236, 0.5);
            transition: color var(--transition-base);
        }

        .footer-links a:hover {
            color: var(--color-text-inverse);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .nav-links a {
                padding: 6px 10px;
                font-size: 14px;
            }

            .search-box {
                min-width: 120px;
            }

            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .process-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .alt-block {
                gap: 32px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                height: 60px;
                gap: 12px;
            }

            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 12px 20px 20px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 8px 24px rgba(31, 52, 46, 0.1);
                display: none;
                z-index: 99;
                max-height: calc(100vh - 60px);
                overflow-y: auto;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                padding: 12px 8px;
                font-size: 16px;
                border-bottom: 1px solid #F0EBE5;
                border-radius: 0;
            }

            .nav-links a::after {
                display: none;
            }

            .nav-links a.active {
                background: rgba(124, 47, 61, 0.06);
                border-left: 3px solid var(--color-accent);
            }

            .search-box {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .btn-nav {
                padding: 8px 16px;
                font-size: 13px;
                min-height: 36px;
            }

            .page-banner {
                min-height: 260px;
            }

            section {
                padding: 52px 0;
            }

            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .alt-block,
            .alt-block.reverse {
                grid-template-columns: 1fr;
                direction: ltr;
                gap: 20px;
            }

            .alt-block.reverse>* {
                direction: ltr;
            }

            .alt-image img {
                min-height: 200px;
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .stats-dark {
                padding: 44px 0;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .logo-text {
                font-size: 17px;
            }

            .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }

            .btn-nav {
                padding: 6px 12px;
                font-size: 12px;
                min-height: 32px;
            }

            .page-banner {
                min-height: 220px;
            }

            .banner-content h1 {
                font-size: 24px;
            }

            .banner-content p {
                font-size: 14px;
            }

            section {
                padding: 40px 0;
            }

            .section-header {
                margin-bottom: 28px;
            }

            .process-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                font-size: 12px;
            }

            .footer-links {
                gap: 10px;
                font-size: 12px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1F342E;
            --color-primary-dark: #162722;
            --color-accent: #7C2F3D;
            --color-accent-dark: #5F2430;
            --color-accent-deeper: #4A1C26;
            --color-bg: #F6F2EC;
            --color-card: #FFFFFF;
            --color-gold: #A8875B;
            --color-text: #2B2B28;
            --color-text-muted: #5F5D59;
            --color-text-inverse: #F6F2EC;
            --color-border: #E5DFD7;
            --radius-card: 10px;
            --radius-btn: 24px;
            --radius-tag: 14px;
            --radius-input: 6px;
            --shadow-card: 0 2px 8px rgba(31, 52, 46, 0.06), 0 0 0 1px #E5DFD7 inset;
            --shadow-card-hover: 0 10px 30px rgba(31, 52, 46, 0.12), 0 0 0 1px rgba(124, 47, 61, 0.25) inset;
            --shadow-nav: 0 2px 12px rgba(31, 52, 46, 0.05);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --font-num: "Helvetica Neue", Arial, sans-serif;
            --spacing-section: 72px;
            --container-max: 1200px;
            --transition-base: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base), background-color var(--transition-base);
        }

        a:hover,
        a:focus {
            color: var(--color-accent);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 0.5em;
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-primary);
        }

        p {
            margin: 0 0 1em;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (max-width: 639px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        section {
            padding: var(--spacing-section) 0;
        }

        @media (max-width: 1023px) {
            section {
                padding: 52px 0;
            }
        }

        @media (max-width: 639px) {
            section {
                padding: 40px 0;
            }
        }

        /* ===== Header & Nav ===== */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-nav);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }

        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--color-primary);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 16px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 26px;
            flex-wrap: nowrap;
        }

        .nav-links a {
            font-size: 15px;
            color: var(--color-text);
            font-weight: 500;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-base), border-color var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-links a:hover {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
        }

        .nav-links a.active {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
            font-weight: 600;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 6px 14px;
            background: #FFFFFF;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
            min-width: 180px;
        }

        .nav-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(124, 47, 61, 0.12);
        }

        .nav-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            color: var(--color-text);
            width: 100%;
            padding: 2px 6px;
        }

        .nav-search input::placeholder {
            color: var(--color-text-muted);
            font-size: 13px;
        }

        .nav-search .search-icon {
            color: var(--color-text-muted);
            font-size: 14px;
            pointer-events: none;
        }

        .nav-cta {
            background: var(--color-accent);
            color: #FFFFFF;
            border: 2px solid var(--color-accent);
            border-radius: var(--radius-btn);
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition-base), border-color var(--transition-base);
            min-height: 40px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .nav-cta:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #FFFFFF;
        }

        .nav-cta:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(124, 47, 61, 0.25);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            background: transparent;
            border: 1px solid var(--color-border);
            min-width: 44px;
            min-height: 44px;
            align-items: center;
            justify-content: center;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        @media (max-width: 1023px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 16px 20px 24px;
                box-shadow: 0 12px 24px rgba(31, 52, 46, 0.12);
                border-bottom: 1px solid var(--color-border);
            }

            .nav-links.show {
                display: flex;
            }

            .nav-links a {
                width: 100%;
                padding: 12px 0;
                font-size: 16px;
                border-bottom: 1px solid rgba(229, 223, 215, 0.6);
            }

            .nav-links a:last-child {
                border-bottom: none;
            }

            .nav-links a.active {
                border-bottom-color: var(--color-accent);
            }

            .hamburger {
                display: inline-flex;
            }

            .nav-search {
                min-width: auto;
                width: 40px;
                height: 40px;
                justify-content: center;
                padding: 6px 8px;
                border-radius: 50%;
            }

            .nav-search input {
                display: none;
            }

            .nav-cta {
                padding: 8px 14px;
                font-size: 13px;
            }
        }

        @media (max-width: 639px) {
            .site-header .container {
                height: 60px;
                gap: 8px;
            }

            .logo-text {
                font-size: 17px;
            }

            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
            }

            .nav-cta {
                padding: 6px 12px;
                font-size: 12px;
                min-height: 38px;
            }

            .hamburger {
                min-width: 40px;
                min-height: 40px;
                padding: 6px;
            }

            .nav-links {
                top: 60px;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-base);
        }

        .breadcrumb a:hover {
            color: var(--color-accent);
        }

        .breadcrumb .separator {
            color: var(--color-border);
            font-size: 10px;
        }

        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            transition: all var(--transition-base);
            text-align: center;
            min-height: 44px;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn:hover,
        .btn:focus {
            text-decoration: none;
            color: inherit;
        }

        .btn:active {
            transform: translateY(1px);
        }

        .btn-primary {
            background: var(--color-accent);
            color: #FFFFFF;
            border: 2px solid var(--color-accent);
        }

        .btn-primary:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #FFFFFF;
        }

        .btn-primary:active {
            background: var(--color-accent-deeper);
            border-color: var(--color-accent-deeper);
            color: #FFFFFF;
        }

        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(124, 47, 61, 0.25);
        }

        .btn-secondary {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }

        .btn-secondary:hover {
            background: rgba(31, 52, 46, 0.07);
            color: var(--color-primary);
        }

        .btn-secondary:active {
            background: rgba(31, 52, 46, 0.14);
            color: var(--color-primary);
        }

        .btn-secondary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(31, 52, 46, 0.2);
        }

        .btn-inverse-outline {
            background: transparent;
            color: var(--color-text-inverse);
            border: 2px solid var(--color-text-inverse);
        }

        .btn-inverse-outline:hover {
            background: rgba(246, 242, 236, 0.12);
            color: var(--color-text-inverse);
        }

        .btn-link {
            color: var(--color-accent);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 0;
            transition: color var(--transition-base), gap var(--transition-base);
        }

        .btn-link .arrow {
            transition: transform var(--transition-base);
        }

        .btn-link:hover {
            color: var(--color-accent-dark);
        }

        .btn-link:hover .arrow {
            transform: translateX(4px);
        }

        /* ===== Hero ===== */
        .hero {
            background: var(--color-primary);
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 56px 0 64px;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-gold);
            z-index: 2;
        }

        .hero .container {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text {
            color: var(--color-text-inverse);
        }

        .hero-tag {
            display: inline-block;
            padding: 4px 16px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-inverse);
            background: rgba(246, 242, 236, 0.16);
            border-radius: var(--radius-tag);
            margin-bottom: 16px;
            letter-spacing: 0.05em;
            border: 1px solid rgba(246, 242, 236, 0.25);
        }

        .hero-text h1 {
            font-size: clamp(32px, 4.2vw, 50px);
            font-weight: 700;
            line-height: 1.18;
            letter-spacing: 0.02em;
            color: var(--color-text-inverse);
            margin-bottom: 16px;
        }

        .hero-text .hero-subtitle {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(246, 242, 236, 0.88);
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-image-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
            border: 1px solid rgba(246, 242, 236, 0.3);
        }

        .hero-image-card img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            display: block;
        }

        .hero-image-card .hero-img-caption {
            padding: 14px 18px;
            font-size: 13px;
            color: var(--color-text-muted);
            background: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-image-card .hero-img-caption i {
            color: var(--color-accent);
        }

        @media (max-width: 1023px) {
            .hero {
                min-height: auto;
                padding: 48px 0 52px;
            }

            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-text .hero-subtitle {
                max-width: 100%;
            }

            .hero-image-card img {
                height: 220px;
            }
        }

        @media (max-width: 639px) {
            .hero {
                padding: 36px 0 40px;
            }

            .hero-text h1 {
                font-size: 30px;
            }

            .hero-text .hero-subtitle {
                font-size: 15px;
            }

            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-image-card img {
                height: 180px;
            }
        }

        /* ===== Section common ===== */
        .section-header {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(124, 47, 61, 0.08);
            border-radius: var(--radius-tag);
            margin-bottom: 12px;
            letter-spacing: 0.05em;
        }

        .section-header h2 {
            font-size: clamp(24px, 2.8vw, 34px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .section-desc {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.7;
        }

        /* ===== Feature cards ===== */
        .feature-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            height: 100%;
            text-align: left;
            border: 1px solid var(--color-border);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-top-color: var(--color-accent);
            border-top-width: 3px;
        }

        .feature-card .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(31, 52, 46, 0.08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            margin-bottom: 16px;
            transition: all var(--transition-base);
        }

        .feature-card:hover .feature-icon {
            background: var(--color-accent);
            color: #FFFFFF;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .feature-card p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Timeline ===== */
        .timeline-section {
            background: #FFFFFF;
        }

        .timeline-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 0;
            position: relative;
            padding-left: 32px;
        }

        .timeline-grid::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--color-border);
        }

        .timeline-item {
            position: relative;
            padding-bottom: 28px;
            padding-left: 16px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 2px solid #FFFFFF;
            box-shadow: 0 0 0 2px var(--color-accent);
        }

        .timeline-item .timeline-age {
            display: inline-block;
            padding: 2px 12px;
            font-size: 12px;
            font-weight: 700;
            color: #FFFFFF;
            background: var(--color-accent);
            border-radius: var(--radius-tag);
            margin-bottom: 8px;
            letter-spacing: 0.04em;
        }

        .timeline-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .timeline-item p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 720px;
        }

        /* ===== Coach cards ===== */
        .coach-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            height: 100%;
        }

        .coach-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .coach-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            display: block;
        }

        .coach-card .coach-body {
            padding: 20px 22px 24px;
        }

        .coach-card .coach-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .coach-card .coach-role {
            font-size: 13px;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .coach-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Stats dark block ===== */
        .stats-section {
            background: var(--color-primary);
            padding: 56px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            text-align: center;
        }

        .stat-item .stat-number {
            font-size: clamp(30px, 3vw, 44px);
            font-weight: 700;
            color: var(--color-text-inverse);
            font-family: var(--font-num);
            letter-spacing: -0.01em;
            margin-bottom: 6px;
            line-height: 1.2;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.75);
            letter-spacing: 0.03em;
            line-height: 1.5;
        }

        @media (max-width: 1023px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 639px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

        /* ===== Alternating image text ===== */
        .alt-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .alt-block.reverse {
            direction: rtl;
        }

        .alt-block.reverse > * {
            direction: ltr;
        }

        .alt-block .alt-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .alt-block .alt-image img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            display: block;
        }

        .alt-block .alt-text h3 {
            font-size: clamp(20px, 2vw, 26px);
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .alt-block .alt-text p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .alt-block .alt-text .alt-points {
            margin-top: 12px;
        }

        .alt-block .alt-text .alt-points li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--color-text);
            line-height: 1.6;
            margin-bottom: 8px;
        }

        .alt-block .alt-text .alt-points li i {
            color: var(--color-accent);
            font-size: 14px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        @media (max-width: 1023px) {
            .alt-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .alt-block.reverse {
                direction: ltr;
            }

            .alt-block .alt-image img {
                height: 220px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #FFFFFF;
        }

        .faq-list {
            max-width: 800px;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            transition: border-color var(--transition-base);
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 4px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            width: 100%;
            transition: color var(--transition-base), border-color var(--transition-base);
            border-left: 3px solid transparent;
            padding-left: 14px;
        }

        .faq-question:hover {
            color: var(--color-accent);
            border-left-color: var(--color-accent);
        }

        .faq-question .faq-icon {
            color: var(--color-accent);
            font-size: 18px;
            flex-shrink: 0;
            transition: transform var(--transition-base);
            width: 24px;
            text-align: center;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-base);
            padding: 0 4px 0 14px;
            border-left: 3px solid transparent;
        }

        .faq-answer.open {
            max-height: 300px;
            padding: 0 4px 18px 14px;
            border-left-color: var(--color-accent);
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== CTA banner ===== */
        .cta-banner {
            background: var(--color-primary);
            padding: 56px 0;
            position: relative;
            border-top: 3px solid var(--color-gold);
        }

        .cta-banner .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
        }

        .cta-banner h2 {
            font-size: clamp(22px, 2.5vw, 30px);
            font-weight: 700;
            color: var(--color-text-inverse);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .cta-banner p {
            font-size: 15px;
            color: rgba(246, 242, 236, 0.8);
            margin-bottom: 0;
            line-height: 1.6;
        }

        .cta-banner .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        @media (max-width: 639px) {
            .cta-banner .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }

            .cta-banner .cta-actions {
                width: 100%;
            }

            .cta-banner .cta-actions .btn {
                flex: 1;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary);
            color: var(--color-text-inverse);
            padding: 48px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(246, 242, 236, 0.15);
        }

        .footer-brand .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-inverse);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.7);
            line-height: 1.6;
            margin-bottom: 0;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-inverse);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.7);
            transition: color var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--color-text-inverse);
        }

        .footer-subscribe p {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.7);
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .subscribe-box {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .subscribe-box input {
            flex: 1;
            min-width: 160px;
            padding: 10px 14px;
            border: 1px solid rgba(246, 242, 236, 0.3);
            border-radius: var(--radius-input);
            background: rgba(246, 242, 236, 0.08);
            color: var(--color-text-inverse);
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition-base), background var(--transition-base);
        }

        .subscribe-box input::placeholder {
            color: rgba(246, 242, 236, 0.5);
        }

        .subscribe-box input:focus {
            border-color: var(--color-gold);
            background: rgba(246, 242, 236, 0.12);
        }

        .subscribe-box .btn {
            padding: 10px 20px;
            font-size: 14px;
            min-height: 42px;
            border-radius: 6px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(246, 242, 236, 0.6);
        }

        .footer-bottom .footer-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom .footer-links a {
            color: rgba(246, 242, 236, 0.6);
            font-size: 13px;
            transition: color var(--transition-base);
        }

        .footer-bottom .footer-links a:hover {
            color: var(--color-text-inverse);
        }

        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 639px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .footer-bottom .footer-links {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        /* ===== Misc ===== */
        .text-accent {
            color: var(--color-accent);
        }

        .mb-0 {
            margin-bottom: 0 !important;
        }

        .mt-16 {
            margin-top: 16px;
        }

        .mt-24 {
            margin-top: 24px;
        }

        .gap-16 {
            gap: 16px;
        }

        .grid-x {
            display: flex;
            flex-wrap: wrap;
        }

        .grid-margin-x {
            margin-left: -12px;
            margin-right: -12px;
        }

        .grid-margin-x > .cell {
            padding-left: 12px;
            padding-right: 12px;
        }

        .cell {
            flex: 1 1 auto;
        }

        .small-12 {
            flex: 0 0 100%;
            max-width: 100%;
        }

        .small-6 {
            flex: 0 0 50%;
            max-width: 50%;
        }

        @media (min-width: 640px) {
            .medium-6 {
                flex: 0 0 50%;
                max-width: 50%;
            }

            .medium-4 {
                flex: 0 0 33.3333%;
                max-width: 33.3333%;
            }
        }

        @media (min-width: 1024px) {
            .large-3 {
                flex: 0 0 25%;
                max-width: 25%;
            }

            .large-4 {
                flex: 0 0 33.3333%;
                max-width: 33.3333%;
            }

            .large-6 {
                flex: 0 0 50%;
                max-width: 50%;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1F342E;
            --color-primary-dark: #162722;
            --color-accent: #7C2F3D;
            --color-accent-dark: #5F2430;
            --color-accent-deeper: #4A1C26;
            --color-bg: #F6F2EC;
            --color-card: #FFFFFF;
            --color-gold: #A8875B;
            --color-text: #2B2B28;
            --color-text-muted: #5F5D59;
            --color-text-inverse: #F6F2EC;
            --color-border: #E5DFD7;
            --radius-card: 10px;
            --radius-btn: 24px;
            --radius-tag: 14px;
            --radius-input: 6px;
            --shadow-card: 0 2px 8px rgba(31, 52, 46, 0.06), 0 0 0 1px #E5DFD7 inset;
            --shadow-card-hover: 0 10px 30px rgba(31, 52, 46, 0.12), 0 0 0 1px rgba(124, 47, 61, 0.25) inset;
            --shadow-nav: 0 2px 12px rgba(31, 52, 46, 0.05);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --font-num: "Helvetica Neue", Arial, sans-serif;
            --spacing-section: 72px;
            --container-max: 1200px;
            --transition-base: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base), background-color var(--transition-base);
        }
        a:hover,
        a:focus {
            color: var(--color-accent);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        section {
            padding: var(--spacing-section) 0;
        }

        .section-header {
            margin-bottom: 40px;
        }
        .section-header .section-tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(124, 47, 61, 0.08);
            border-radius: var(--radius-tag);
            margin-bottom: 12px;
            letter-spacing: 0.05em;
        }
        .section-header h2 {
            font-size: clamp(24px, 2.8vw, 34px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
            margin-top: 0;
        }
        .section-header .section-desc {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.7;
            margin: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            transition: all var(--transition-base);
            text-align: center;
            min-height: 44px;
            white-space: nowrap;
            letter-spacing: 0.01em;
            cursor: pointer;
        }
        .btn:hover,
        .btn:focus {
            text-decoration: none;
            color: inherit;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-primary {
            background: var(--color-accent);
            color: #FFFFFF;
            border: 2px solid var(--color-accent);
        }
        .btn-primary:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #FFFFFF;
        }
        .btn-primary:active {
            background: var(--color-accent-deeper);
            border-color: var(--color-accent-deeper);
            color: #FFFFFF;
        }
        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(124, 47, 61, 0.25);
        }
        .btn-secondary {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-secondary:hover {
            background: rgba(31, 52, 46, 0.07);
            color: var(--color-primary);
        }
        .btn-secondary:active {
            background: rgba(31, 52, 46, 0.14);
            color: var(--color-primary);
        }
        .btn-secondary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(31, 52, 46, 0.2);
        }
        .btn-light-outline {
            background: transparent;
            color: var(--color-text-inverse);
            border: 2px solid var(--color-text-inverse);
        }
        .btn-light-outline:hover {
            background: rgba(246, 242, 236, 0.12);
            color: var(--color-text-inverse);
        }
        .btn-light-outline:active {
            background: rgba(246, 242, 236, 0.2);
            color: var(--color-text-inverse);
        }

        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-nav);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 20px;
            flex-wrap: wrap;
        }
        .site-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .site-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-inverse);
            font-size: 18px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-links a {
            padding: 8px 14px;
            font-size: 15px;
            color: var(--color-text);
            border-bottom: 2px solid transparent;
            transition: color var(--transition-base), border-color var(--transition-base);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
        }
        .nav-links a.active {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
            font-weight: 600;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 6px 14px;
            gap: 8px;
            min-width: 180px;
        }
        .search-box i {
            color: var(--color-text-muted);
            font-size: 14px;
        }
        .search-box input {
            border: none;
            background: transparent;
            padding: 4px 0;
            font-size: 14px;
            color: var(--color-text);
            width: 100%;
            box-shadow: none;
        }
        .search-box input:focus {
            outline: none;
            border: none;
            box-shadow: none;
        }
        .search-box input::placeholder {
            color: #A09C95;
        }
        .header-cta {
            padding: 8px 20px;
            font-size: 14px;
            min-height: 36px;
            border-radius: 20px;
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-primary);
            border-radius: 8px;
            border: 1px solid var(--color-border);
        }

        .breadcrumb-section {
            padding: 20px 0 0;
            background: transparent;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .sep {
            color: #C5BEB5;
        }
        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 600;
        }

        .page-banner {
            min-height: 320px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            display: flex;
            align-items: center;
            padding: 56px 0;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(31, 52, 46, 0.72);
        }
        .page-banner .container {
            position: relative;
            z-index: 1;
        }
        .page-banner .banner-tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(168, 135, 91, 0.85);
            color: #FFFFFF;
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-tag);
            margin-bottom: 16px;
            letter-spacing: 0.05em;
        }
        .page-banner h1 {
            font-size: clamp(32px, 4.2vw, 54px);
            font-weight: 700;
            line-height: 1.18;
            color: #FFFFFF;
            margin: 0 0 12px;
            letter-spacing: 0.02em;
        }
        .page-banner p {
            font-size: 17px;
            color: rgba(246, 242, 236, 0.85);
            max-width: 640px;
            margin: 0 0 20px;
            line-height: 1.7;
        }
        .page-banner .banner-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .intro-section {
            padding: 56px 0 24px;
        }
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .intro-content h2 {
            font-size: clamp(24px, 2.4vw, 32px);
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 16px;
            line-height: 1.3;
        }
        .intro-content p {
            font-size: 16px;
            color: var(--color-text-muted);
            line-height: 1.85;
            margin-bottom: 12px;
        }
        .intro-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .intro-image img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }
        .intro-image .img-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(31, 52, 46, 0.85);
            color: #FFFFFF;
            padding: 6px 16px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }

        .activities-section {
            padding: 56px 0;
        }
        .activity-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .activity-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
            transition: all var(--transition-base);
            border-top: 3px solid transparent;
            position: relative;
            overflow: hidden;
        }
        .activity-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-top-color: var(--color-accent);
        }
        .activity-card .card-icon {
            width: 48px;
            height: 48px;
            background: rgba(31, 52, 46, 0.08);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-accent);
            margin-bottom: 16px;
        }
        .activity-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--color-primary);
            margin: 0 0 8px;
            line-height: 1.35;
        }
        .activity-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0 0 16px;
        }
        .activity-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-base), color var(--transition-base);
        }
        .activity-card .card-link:hover {
            color: var(--color-accent-dark);
            gap: 8px;
        }

        .stats-section {
            background: var(--color-primary);
            color: var(--color-text-inverse);
            padding: 64px 0;
        }
        .stats-section .container {
            position: relative;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-gold);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-item .stat-number {
            font-size: clamp(30px, 3vw, 44px);
            font-weight: 700;
            color: var(--color-text-inverse);
            letter-spacing: -0.01em;
            font-family: var(--font-num);
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.7);
            margin-top: 8px;
            letter-spacing: 0.02em;
        }

        .steps-section {
            padding: 64px 0 48px;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .step-item {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-base);
            position: relative;
        }
        .step-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .step-item .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            color: #FFFFFF;
            border-radius: 50%;
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 12px;
        }
        .step-item h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            margin: 0 0 8px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.65;
            margin: 0;
        }

        .faq-section {
            padding: 56px 0 40px;
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            margin-bottom: 12px;
            overflow: hidden;
            border-left: 3px solid transparent;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-left-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
        }
        .faq-item .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--color-primary);
            gap: 12px;
            user-select: none;
        }
        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(124, 47, 61, 0.08);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: transform var(--transition-base);
        }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.75;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #FFFFFF;
        }

        .cta-section {
            padding: 56px 0;
        }
        .cta-banner {
            background: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-gold);
        }
        .cta-banner h2 {
            font-size: clamp(22px, 2.2vw, 30px);
            color: #FFFFFF;
            margin: 0 0 8px;
            font-weight: 700;
        }
        .cta-banner p {
            font-size: 15px;
            color: rgba(246, 242, 236, 0.8);
            margin: 0;
            max-width: 520px;
            line-height: 1.6;
        }
        .cta-banner .btn {
            flex-shrink: 0;
        }

        .site-footer {
            background: var(--color-primary);
            color: var(--color-text-inverse);
            padding: 56px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-inverse);
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.75);
            line-height: 1.7;
            margin: 0;
            max-width: 260px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-inverse);
            margin: 0 0 16px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.75);
            transition: color var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--color-gold);
        }
        .footer-subscribe p {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.75);
            line-height: 1.6;
            margin: 0 0 12px;
        }
        .subscribe-box {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .subscribe-box input {
            flex: 1;
            min-width: 140px;
            padding: 10px 14px;
            border-radius: var(--radius-input);
            border: 1px solid rgba(246, 242, 236, 0.3);
            background: rgba(246, 242, 236, 0.08);
            color: var(--color-text-inverse);
            font-size: 14px;
        }
        .subscribe-box input::placeholder {
            color: rgba(246, 242, 236, 0.5);
        }
        .subscribe-box input:focus {
            outline: none;
            border-color: var(--color-gold);
            background: rgba(246, 242, 236, 0.12);
        }
        .subscribe-box .btn {
            padding: 10px 20px;
            font-size: 14px;
            min-height: 40px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(246, 242, 236, 0.15);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(246, 242, 236, 0.6);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-links a {
            color: rgba(246, 242, 236, 0.6);
            transition: color var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--color-gold);
        }
        .footer-links span {
            color: rgba(246, 242, 236, 0.45);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 14px;
            }
            .search-box {
                min-width: 140px;
            }
            .intro-grid {
                gap: 32px;
            }
            .activity-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .site-header .container {
                flex-wrap: nowrap;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 20px;
                box-shadow: 0 10px 30px rgba(31, 52, 46, 0.12);
                border-bottom: 1px solid var(--color-border);
                gap: 4px;
                z-index: 99;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 10px 12px;
                border-bottom: 1px solid var(--color-border);
                font-size: 15px;
            }
            .nav-links a.active {
                background: rgba(124, 47, 61, 0.06);
            }
            .search-box {
                display: none;
            }
            .header-cta {
                padding: 8px 16px;
                font-size: 13px;
                white-space: nowrap;
            }
            .page-banner {
                min-height: 280px;
                padding: 40px 0;
            }
            .page-banner h1 {
                font-size: clamp(26px, 5vw, 38px);
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .activity-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .cta-banner {
                flex-direction: column;
                text-align: center;
                padding: 32px 24px;
                align-items: center;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .site-header .container {
                min-height: 60px;
                gap: 8px;
            }
            .site-brand {
                font-size: 18px;
            }
            .site-brand .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
            .nav-toggle {
                width: 40px;
                height: 40px;
                font-size: 20px;
            }
            .header-cta {
                padding: 6px 12px;
                font-size: 12px;
                min-height: 32px;
            }
            .nav-links {
                top: 60px;
            }
            .page-banner {
                min-height: 240px;
                padding: 32px 0;
            }
            .page-banner .banner-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .page-banner p {
                font-size: 15px;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: clamp(24px, 6vw, 32px);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .subscribe-box {
                flex-direction: column;
            }
            .subscribe-box input {
                min-width: 100%;
            }
            .cta-banner h2 {
                font-size: 20px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1F342E;
            --color-primary-dark: #162722;
            --color-accent: #7C2F3D;
            --color-accent-dark: #5F2430;
            --color-accent-deeper: #4A1C26;
            --color-bg: #F6F2EC;
            --color-card: #FFFFFF;
            --color-gold: #A8875B;
            --color-text: #2B2B28;
            --color-text-muted: #5F5D59;
            --color-text-inverse: #F6F2EC;
            --color-border: #E5DFD7;
            --radius-card: 10px;
            --radius-btn: 24px;
            --radius-tag: 14px;
            --radius-input: 6px;
            --shadow-card: 0 2px 8px rgba(31, 52, 46, 0.06), 0 0 0 1px #E5DFD7 inset;
            --shadow-card-hover: 0 10px 30px rgba(31, 52, 46, 0.12), 0 0 0 1px rgba(124, 47, 61, 0.25) inset;
            --shadow-nav: 0 2px 12px rgba(31, 52, 46, 0.05);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --font-num: "Helvetica Neue", Arial, sans-serif;
            --spacing-section: 72px;
            --container-max: 1200px;
            --transition-base: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base), background-color var(--transition-base), opacity var(--transition-base);
        }

        a:hover,
        a:focus {
            color: var(--color-accent);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        section {
            padding: var(--spacing-section) 0;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header .section-tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(124, 47, 61, 0.08);
            border-radius: var(--radius-tag);
            margin-bottom: 12px;
            letter-spacing: 0.05em;
        }

        .section-header h2 {
            font-size: clamp(24px, 2.8vw, 34px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .section-header .section-desc {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            transition: all var(--transition-base);
            text-align: center;
            min-height: 44px;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn:hover,
        .btn:focus {
            text-decoration: none;
        }

        .btn:active {
            transform: translateY(1px);
        }

        .btn-primary {
            background: var(--color-accent);
            color: #FFFFFF;
            border: 2px solid var(--color-accent);
        }

        .btn-primary:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #FFFFFF;
        }

        .btn-primary:active {
            background: var(--color-accent-deeper);
            border-color: var(--color-accent-deeper);
            color: #FFFFFF;
        }

        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(124, 47, 61, 0.25);
        }

        .btn-secondary {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }

        .btn-secondary:hover {
            background: rgba(31, 52, 46, 0.07);
            color: var(--color-primary);
        }

        .btn-secondary:active {
            background: rgba(31, 52, 46, 0.14);
            color: var(--color-primary);
        }

        .btn-secondary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(31, 52, 46, 0.2);
        }

        .btn-inverse {
            background: transparent;
            color: var(--color-text-inverse);
            border: 2px solid var(--color-text-inverse);
        }

        .btn-inverse:hover {
            background: rgba(246, 242, 236, 0.12);
            color: var(--color-text-inverse);
        }

        .btn-inverse:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(246, 242, 236, 0.3);
        }

        /* Navigation */
        .site-nav {
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-nav);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .site-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            padding-bottom: 14px;
            gap: 20px;
            flex-wrap: wrap;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gold);
            font-size: 18px;
            flex-shrink: 0;
        }

        .nav-brand .logo-text {
            font-weight: 700;
            font-size: 20px;
            color: var(--color-primary);
            letter-spacing: 0.03em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 22px;
            flex-wrap: wrap;
        }

        .nav-links a {
            font-size: 15px;
            color: var(--color-text);
            padding: 6px 0;
            position: relative;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-base), border-color var(--transition-base);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
        }

        .nav-links a.active {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 4px 6px 4px 14px;
            gap: 6px;
        }

        .nav-search input {
            border: none;
            background: transparent;
            font-size: 14px;
            padding: 4px 0;
            width: 150px;
            outline: none;
            color: var(--color-text);
        }

        .nav-search input::placeholder {
            color: var(--color-text-muted);
        }

        .nav-search button {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-text-inverse);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
            transition: background var(--transition-base);
        }

        .nav-search button:hover {
            background: var(--color-accent);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            border-radius: 8px;
            border: 1px solid var(--color-border);
        }

        /* Breadcrumbs */
        .breadcrumbs {
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
        }

        .breadcrumbs .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .breadcrumbs a {
            color: var(--color-text-muted);
        }

        .breadcrumbs a:hover {
            color: var(--color-accent);
        }

        .breadcrumbs .separator {
            color: var(--color-border);
            font-size: 11px;
        }

        .breadcrumbs .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        /* Category Banner */
        .category-banner {
            background-color: var(--color-primary);
            background-image: linear-gradient(rgba(31, 52, 46, 0.78), rgba(31, 52, 46, 0.85)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 320px;
            display: flex;
            align-items: center;
            padding: 60px 0;
            position: relative;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-gold);
            opacity: 0.7;
        }

        .category-banner .container {
            position: relative;
            z-index: 2;
        }

        .category-banner h1 {
            font-size: clamp(30px, 4vw, 46px);
            font-weight: 700;
            line-height: 1.2;
            color: var(--color-text-inverse);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .category-banner .banner-sub {
            font-size: 16px;
            color: rgba(246, 242, 236, 0.85);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .category-banner .banner-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-gold);
            background: rgba(168, 135, 91, 0.12);
            border-radius: var(--radius-tag);
            margin-bottom: 14px;
            letter-spacing: 0.05em;
        }

        /* Category Intro */
        .category-intro {
            background: var(--color-card);
            border-bottom: 1px solid var(--color-border);
            padding: 48px 0;
        }

        .category-intro .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .category-intro .intro-text h2 {
            font-size: clamp(22px, 2.4vw, 30px);
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .category-intro .intro-text p {
            color: var(--color-text-muted);
            line-height: 1.85;
            margin-bottom: 14px;
            font-size: 15px;
        }

        .category-intro .intro-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            height: 340px;
            background-size: cover;
            background-position: center;
        }

        .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Scoring System */
        .scoring-section {
            background: var(--color-primary);
            padding: var(--spacing-section) 0;
        }

        .scoring-section .section-header h2 {
            color: var(--color-text-inverse);
        }

        .scoring-section .section-header .section-desc {
            color: rgba(246, 242, 236, 0.7);
        }

        .scoring-section .section-header .section-tag {
            color: var(--color-gold);
            background: rgba(168, 135, 91, 0.15);
        }

        .scoring-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scoring-item {
            background: rgba(246, 242, 236, 0.06);
            border: 1px solid rgba(246, 242, 236, 0.12);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .scoring-item:hover {
            background: rgba(246, 242, 236, 0.1);
            border-color: rgba(168, 135, 91, 0.4);
            transform: translateY(-4px);
        }

        .scoring-item .score-num {
            font-size: clamp(30px, 3vw, 44px);
            font-weight: 700;
            color: var(--color-text-inverse);
            font-family: var(--font-num);
            letter-spacing: -0.01em;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .scoring-item .score-label {
            font-size: 13px;
            color: rgba(246, 242, 236, 0.7);
            letter-spacing: 0.03em;
        }

        .scoring-item .score-bar {
            margin-top: 14px;
            height: 4px;
            background: rgba(246, 242, 236, 0.15);
            border-radius: 2px;
            overflow: hidden;
        }

        .scoring-item .score-bar .fill {
            height: 100%;
            background: var(--color-gold);
            border-radius: 2px;
        }

        /* Featured Reviews */
        .featured-reviews {
            background: var(--color-bg);
        }

        .review-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .review-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .review-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .review-card .card-image {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .review-card .card-image .rating-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--color-accent);
            color: #FFFFFF;
            padding: 4px 12px;
            font-size: 13px;
            font-weight: 700;
            border-radius: var(--radius-tag);
            letter-spacing: 0.02em;
        }

        .review-card .card-body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .review-card .card-tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(124, 47, 61, 0.08);
            color: var(--color-accent);
            border-radius: var(--radius-tag);
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .review-card h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-primary);
            margin-bottom: 8px;
            transition: color var(--transition-base);
        }

        .review-card:hover h3 {
            color: var(--color-accent);
        }

        .review-card .card-summary {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .review-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--color-border);
        }

        .review-card .review-date {
            font-size: 13px;
            color: var(--color-text-muted);
            letter-spacing: 0.02em;
        }

        .review-card .read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            transition: color var(--transition-base);
        }

        .review-card .read-more:hover {
            color: var(--color-accent-dark);
            text-decoration: underline;
        }

        .review-card .read-more .arrow {
            display: inline-block;
            transition: transform var(--transition-base);
            margin-left: 3px;
        }

        .review-card .read-more:hover .arrow {
            transform: translateX(4px);
        }

        /* Deep Content */
        .deep-content {
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .deep-content .container {
            max-width: 860px;
        }

        .deep-content .section-header {
            text-align: left;
            margin-bottom: 32px;
        }

        .deep-content .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 14px;
            margin-top: 32px;
            line-height: 1.4;
        }

        .deep-content .article-body h3:first-child {
            margin-top: 0;
        }

        .deep-content .article-body p {
            font-size: 15.5px;
            color: var(--color-text);
            line-height: 1.9;
            margin-bottom: 18px;
        }

        .deep-content .article-body blockquote {
            border-left: 3px solid var(--color-gold);
            padding: 16px 20px;
            margin: 24px 0;
            background: var(--color-bg);
            border-radius: 0 8px 8px 0;
            font-size: 15px;
            color: var(--color-text-muted);
            font-style: italic;
        }

        /* FAQ */
        .faq-section {
            background: var(--color-bg);
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(124, 47, 61, 0.3);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            gap: 16px;
            transition: background var(--transition-base);
            min-height: 56px;
        }

        .faq-question:hover {
            background: rgba(31, 52, 46, 0.03);
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(124, 47, 61, 0.08);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: transform var(--transition-base);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #FFFFFF;
        }

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.8;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA Banner */
        .cta-banner {
            background: var(--color-primary);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-gold);
            opacity: 0.6;
        }

        .cta-banner .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-banner .cta-text h2 {
            font-size: clamp(22px, 2.4vw, 30px);
            font-weight: 700;
            color: var(--color-text-inverse);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .cta-banner .cta-text p {
            font-size: 15px;
            color: rgba(246, 242, 236, 0.75);
            max-width: 480px;
            line-height: 1.7;
        }

        /* Contact Section */
        .contact-section {
            background: var(--color-bg);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }

        .contact-info h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 14px;
        }

        .contact-info p {
            color: var(--color-text-muted);
            margin-bottom: 20px;
            line-height: 1.8;
            font-size: 15px;
        }

        .contact-info .info-item {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            font-size: 15px;
            color: var(--color-text);
        }

        .contact-info .info-item i {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(31, 52, 46, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 14px;
            flex-shrink: 0;
        }

        .contact-form {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 32px 28px;
        }

        .contact-form .form-group {
            margin-bottom: 18px;
        }

        .contact-form label {
            display: block;
            font-size: 14px;
            color: var(--color-text-muted);
            margin-bottom: 6px;
            font-weight: 500;
        }

        .contact-form label .required {
            color: var(--color-accent);
            margin-left: 2px;
        }

        .contact-form input,
        .contact-form select,
        .contact-form textarea {
            width: 100%;
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            padding: 12px 14px;
            border-radius: var(--radius-input);
            font-size: 15px;
            color: var(--color-text);
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
            outline: none;
        }

        .contact-form input:focus,
        .contact-form select:focus,
        .contact-form textarea:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(124, 47, 61, 0.12);
        }

        .contact-form textarea {
            min-height: 120px;
            resize: vertical;
        }

        .contact-form .form-submit {
            display: flex;
            justify-content: flex-end;
            margin-top: 8px;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: var(--color-text-inverse);
            padding: 56px 0 28px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .site-footer .footer-brand .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-inverse);
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.65);
            line-height: 1.7;
            max-width: 260px;
        }

        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-gold);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }

        .site-footer .footer-col ul li a {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.7);
            transition: color var(--transition-base);
        }

        .site-footer .footer-col ul li a:hover {
            color: var(--color-gold);
        }

        .site-footer .footer-subscribe p {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.65);
            margin-bottom: 14px;
            line-height: 1.7;
        }

        .site-footer .subscribe-box {
            display: flex;
            gap: 8px;
        }

        .site-footer .subscribe-box input {
            flex: 1;
            background: rgba(246, 242, 236, 0.08);
            border: 1px solid rgba(246, 242, 236, 0.2);
            border-radius: var(--radius-input);
            padding: 10px 14px;
            font-size: 14px;
            color: var(--color-text-inverse);
            outline: none;
            transition: border-color var(--transition-base);
        }

        .site-footer .subscribe-box input::placeholder {
            color: rgba(246, 242, 236, 0.4);
        }

        .site-footer .subscribe-box input:focus {
            border-color: var(--color-gold);
        }

        .site-footer .subscribe-box .btn {
            padding: 10px 18px;
            min-height: 40px;
            font-size: 14px;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(246, 242, 236, 0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(246, 242, 236, 0.5);
        }

        .site-footer .footer-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .site-footer .footer-links a {
            color: rgba(246, 242, 236, 0.65);
            font-size: 13px;
        }

        .site-footer .footer-links a:hover {
            color: var(--color-gold);
        }

        /* Responsive */
        @media screen and (max-width: 1024px) {
            .nav-links {
                gap: 14px;
            }

            .nav-links a {
                font-size: 14px;
            }

            .scoring-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .review-card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .category-intro .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .contact-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media screen and (max-width: 768px) {
            section {
                padding: 52px 0;
            }

            .site-nav .container {
                flex-wrap: wrap;
                gap: 10px;
            }

            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 4px;
                padding-top: 10px;
                border-top: 1px solid var(--color-border);
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                padding: 10px 0;
                border-bottom: 1px solid transparent;
                width: 100%;
            }

            .nav-links a.active {
                border-bottom-color: transparent;
                background: rgba(124, 47, 61, 0.06);
                border-radius: 6px;
                padding-left: 10px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-actions {
                margin-left: auto;
            }

            .nav-search input {
                width: 100px;
            }

            .category-banner {
                min-height: 280px;
                padding: 40px 0;
            }

            .category-banner h1 {
                font-size: clamp(26px, 5vw, 34px);
            }

            .scoring-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .scoring-item {
                padding: 20px 16px;
            }

            .review-card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .cta-banner .container {
                flex-direction: column;
                text-align: center;
                gap: 20px;
            }

            .cta-banner .cta-text p {
                margin: 0 auto;
            }

            .contact-form {
                padding: 24px 18px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }

            .site-footer .footer-links {
                justify-content: center;
            }
        }

        @media screen and (max-width: 520px) {
            section {
                padding: 40px 0;
            }

            .container {
                padding-left: 14px;
                padding-right: 14px;
            }

            .scoring-grid {
                grid-template-columns: 1fr;
            }

            .category-banner {
                min-height: 240px;
                padding: 32px 0;
            }

            .category-banner .banner-actions {
                flex-direction: column;
                gap: 10px;
            }

            .category-banner .banner-actions .btn {
                width: 100%;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .nav-search input {
                width: 70px;
                font-size: 13px;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1F342E;
            --color-primary-dark: #162722;
            --color-accent: #7C2F3D;
            --color-accent-dark: #5F2430;
            --color-accent-deeper: #4A1C26;
            --color-bg: #F6F2EC;
            --color-card: #FFFFFF;
            --color-gold: #A8875B;
            --color-text: #2B2B28;
            --color-text-muted: #5F5D59;
            --color-text-inverse: #F6F2EC;
            --color-border: #E5DFD7;
            --radius-card: 10px;
            --radius-btn: 24px;
            --radius-tag: 14px;
            --radius-input: 6px;
            --shadow-card: 0 2px 8px rgba(31, 52, 46, 0.06), 0 0 0 1px #E5DFD7 inset;
            --shadow-card-hover: 0 10px 30px rgba(31, 52, 46, 0.12), 0 0 0 1px rgba(124, 47, 61, 0.25) inset;
            --shadow-nav: 0 2px 12px rgba(31, 52, 46, 0.05);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --font-num: "Helvetica Neue", Arial, sans-serif;
            --spacing-section: 72px;
            --container-max: 1200px;
            --transition-base: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        *, *::before, *::after {
            box-sizing: border-box;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base), background-color var(--transition-base);
        }
        a:hover, a:focus {
            color: var(--color-accent);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        section {
            padding: var(--spacing-section) 0;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header .section-tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(124, 47, 61, 0.08);
            border-radius: var(--radius-tag);
            margin-bottom: 12px;
            letter-spacing: 0.05em;
        }
        .section-header h2 {
            font-size: clamp(24px, 2.8vw, 34px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-primary);
            margin: 0 0 10px;
            letter-spacing: 0.01em;
        }
        .section-header .section-desc {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.7;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            transition: all var(--transition-base);
            text-align: center;
            min-height: 44px;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn:hover, .btn:focus {
            text-decoration: none;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-primary {
            background: var(--color-accent);
            color: #FFFFFF;
            border: 2px solid var(--color-accent);
        }
        .btn-primary:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #FFFFFF;
        }
        .btn-primary:active {
            background: var(--color-accent-deeper);
            border-color: var(--color-accent-deeper);
            color: #FFFFFF;
        }
        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(124, 47, 61, 0.25);
        }
        .btn-secondary {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-secondary:hover {
            background: rgba(31, 52, 46, 0.07);
            color: var(--color-primary);
        }
        .btn-secondary:active {
            background: rgba(31, 52, 46, 0.14);
            color: var(--color-primary);
        }
        .btn-secondary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(31, 52, 46, 0.2);
        }
        .btn-light {
            background: transparent;
            color: var(--color-text-inverse);
            border: 2px solid var(--color-text-inverse);
        }
        .btn-light:hover {
            background: rgba(246, 242, 236, 0.12);
            color: var(--color-text-inverse);
        }
        .btn-light:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(246, 242, 236, 0.3);
        }
        .badge {
            display: inline-block;
            padding: 2px 10px;
            font-size: 12px;
            font-weight: 600;
            color: #FFFFFF;
            background: var(--color-accent);
            border-radius: var(--radius-tag);
            letter-spacing: 0.04em;
            line-height: 1.6;
        }
        .link-more {
            color: var(--color-accent);
            font-weight: 600;
            font-size: 14px;
            transition: color var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .link-more:hover {
            color: var(--color-accent-dark);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .link-more i {
            transition: transform var(--transition-base);
            font-size: 12px;
        }
        .link-more:hover i {
            transform: translateX(4px);
        }
        /* Navigation */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-nav);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 16px;
        }
        .logo-text {
            font-weight: 700;
            font-size: 20px;
            color: var(--color-primary);
            letter-spacing: 0.02em;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: nowrap;
        }
        .nav-links a {
            font-size: 15px;
            color: var(--color-text);
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-base), border-color var(--transition-base);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
        }
        .nav-links a.active {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .search-form {
            display: flex;
            align-items: center;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 5px 12px;
            gap: 6px;
        }
        .search-form input {
            border: none;
            background: transparent;
            font-size: 13px;
            color: var(--color-text);
            width: 130px;
            padding: 2px 0;
        }
        .search-form input:focus {
            outline: none;
        }
        .search-form input::placeholder {
            color: var(--color-text-muted);
        }
        .search-form .search-icon {
            color: var(--color-text-muted);
            font-size: 13px;
        }
        .nav-toggle {
            display: none;
            font-size: 24px;
            color: var(--color-primary);
            padding: 8px;
        }
        /* Breadcrumb */
        .breadcrumb-bar {
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            padding: 14px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-primary);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .sep {
            color: var(--color-border);
        }
        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 600;
        }
        /* Hero */
        .page-hero {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(31, 52, 46, 0.78);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            color: var(--color-text-inverse);
        }
        .page-hero .hero-tag {
            display: inline-block;
            padding: 5px 16px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-inverse);
            background: rgba(124, 47, 61, 0.85);
            border-radius: var(--radius-tag);
            margin-bottom: 16px;
            letter-spacing: 0.06em;
        }
        .page-hero h1 {
            font-size: clamp(30px, 4vw, 46px);
            font-weight: 700;
            line-height: 1.2;
            color: var(--color-text-inverse);
            margin: 0 0 16px;
            letter-spacing: 0.01em;
        }
        .page-hero .hero-subtitle {
            font-size: 16px;
            line-height: 1.7;
            color: rgba(246, 242, 236, 0.85);
            max-width: 620px;
            margin: 0;
        }
        .page-hero .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 28px;
        }
        .page-hero .hero-gold-line {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-gold);
            opacity: 0.7;
        }
        /* Stats overview */
        .stats-overview {
            background: var(--color-primary);
            padding: 52px 0;
            position: relative;
        }
        .stats-overview::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-gold);
            opacity: 0.5;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }
        .stat-item .stat-number {
            font-family: var(--font-num);
            font-size: clamp(30px, 3.5vw, 44px);
            font-weight: 700;
            color: var(--color-text-inverse);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.75);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }
        /* Section styles */
        .section-alt {
            background: #FFFFFF;
        }
        .section-dark {
            background: var(--color-primary);
            color: var(--color-text-inverse);
        }
        .section-dark .section-header h2 {
            color: var(--color-text-inverse);
        }
        .section-dark .section-header .section-desc {
            color: rgba(246, 242, 236, 0.75);
        }
        .section-dark .section-header .section-tag {
            background: rgba(246, 242, 236, 0.12);
            color: var(--color-gold);
        }
        /* Feature split */
        .feature-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-split .feature-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .feature-split .feature-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: var(--radius-card);
        }
        .feature-content h3 {
            font-size: clamp(20px, 2vw, 26px);
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 14px;
            line-height: 1.3;
        }
        .feature-content p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin: 0 0 16px;
        }
        .feature-content .feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }
        .feature-content .feature-list li {
            padding: 6px 0;
            font-size: 14px;
            color: var(--color-text);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .feature-content .feature-list li i {
            color: var(--color-accent);
            font-size: 13px;
            margin-top: 4px;
            flex-shrink: 0;
        }
        /* Data cards list */
        .data-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .data-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .data-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-top: 3px solid var(--color-accent);
        }
        .data-card .card-icon {
            width: 44px;
            height: 44px;
            border-radius: 8px;
            background: rgba(31, 52, 46, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 18px;
            margin-bottom: 14px;
        }
        .data-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            margin: 0 0 8px;
            line-height: 1.35;
        }
        .data-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0 0 14px;
            flex: 1;
        }
        /* Process timeline */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .process-step {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            position: relative;
            transition: all var(--transition-base);
        }
        .process-step:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .process-step .step-number {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-gold);
            line-height: 1;
            margin-bottom: 10px;
        }
        .process-step h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            margin: 0 0 8px;
            line-height: 1.3;
        }
        .process-step p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.7;
        }
        /* Report cards */
        .report-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .report-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all var(--transition-base);
        }
        .report-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .report-card .report-cover {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .report-card .report-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .report-card .report-cover .cover-tag {
            position: absolute;
            top: 12px;
            left: 12px;
        }
        .report-card .report-body {
            padding: 20px 24px 24px;
            flex: 1;
        }
        .report-card .report-date {
            font-size: 12px;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }
        .report-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            margin: 0 0 10px;
            line-height: 1.35;
            transition: color var(--transition-base);
        }
        .report-card:hover h3 {
            color: var(--color-accent);
        }
        .report-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0 0 14px;
        }
        /* FAQ */
        .faq-section {
            background: #FFFFFF;
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            background: #FFFFFF;
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--color-accent);
            box-shadow: 0 2px 12px rgba(31, 52, 46, 0.08);
        }
        .faq-item .faq-question {
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            gap: 12px;
        }
        .faq-item .faq-question h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            margin: 0;
            line-height: 1.4;
            flex: 1;
        }
        .faq-item .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(124, 47, 61, 0.08);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            flex-shrink: 0;
            transition: transform var(--transition-base);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #FFFFFF;
        }
        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        /* CTA */
        .cta-band {
            background: var(--color-primary);
            padding: 64px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-gold);
        }
        .cta-band .cta-inner {
            max-width: 680px;
            margin: 0 auto;
            color: var(--color-text-inverse);
        }
        .cta-band h2 {
            font-size: clamp(24px, 2.8vw, 32px);
            font-weight: 700;
            color: var(--color-text-inverse);
            margin: 0 0 12px;
            line-height: 1.25;
        }
        .cta-band p {
            font-size: 15px;
            color: rgba(246, 242, 236, 0.8);
            line-height: 1.7;
            margin: 0 0 28px;
        }
        .cta-band .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: var(--color-text-inverse);
            padding: 52px 0 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(246, 242, 236, 0.12);
        }
        .site-footer .footer-brand .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-inverse);
            margin-bottom: 8px;
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.75);
            line-height: 1.7;
            margin: 0;
            max-width: 260px;
        }
        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-inverse);
            margin: 0 0 14px;
            letter-spacing: 0.04em;
        }
        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }
        .site-footer .footer-col ul li a {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.75);
            transition: color var(--transition-base), padding-left var(--transition-base);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--color-gold);
            padding-left: 4px;
        }
        .site-footer .footer-subscribe p {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.75);
            line-height: 1.6;
            margin: 0 0 14px;
        }
        .site-footer .subscribe-box {
            display: flex;
            gap: 8px;
        }
        .site-footer .subscribe-box input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid rgba(246, 242, 236, 0.25);
            border-radius: var(--radius-input);
            background: rgba(246, 242, 236, 0.08);
            color: var(--color-text-inverse);
            font-size: 13px;
        }
        .site-footer .subscribe-box input::placeholder {
            color: rgba(246, 242, 236, 0.5);
        }
        .site-footer .subscribe-box input:focus {
            outline: none;
            border-color: var(--color-gold);
        }
        .site-footer .subscribe-box .btn {
            padding: 10px 18px;
            font-size: 13px;
            min-height: 40px;
        }
        .footer-bottom {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(246, 242, 236, 0.6);
        }
        .footer-bottom .footer-links {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .footer-bottom a {
            color: rgba(246, 242, 236, 0.6);
            transition: color var(--transition-base);
        }
        .footer-bottom a:hover {
            color: var(--color-gold);
        }
        /* Responsive */
        @media screen and (max-width: 1024px) {
            section {
                padding: 52px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .data-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                gap: 20px;
            }
            .stat-item .stat-number {
                font-size: clamp(26px, 3vw, 36px);
            }
            .feature-split {
                gap: 32px;
            }
        }
        @media screen and (max-width: 820px) {
            .nav-links {
                gap: 10px;
            }
            .nav-links a {
                font-size: 13px;
            }
            .search-form input {
                width: 80px;
            }
            .report-cards {
                grid-template-columns: 1fr;
            }
        }
        @media screen and (max-width: 640px) {
            section {
                padding: 40px 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-header .container {
                height: 56px;
                gap: 10px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                padding: 16px 20px;
                box-shadow: var(--shadow-nav);
                gap: 6px;
                border-bottom: 2px solid var(--color-border);
            }
            .nav-links.mobile-open {
                display: flex;
            }
            .nav-links a {
                padding: 10px 4px;
                font-size: 15px;
                border-bottom: 1px solid var(--color-border);
                width: 100%;
            }
            .nav-links a.active {
                border-bottom-color: var(--color-accent);
            }
            .nav-toggle {
                display: block;
            }
            .search-form {
                display: none;
            }
            .nav-actions .btn {
                padding: 8px 14px;
                font-size: 13px;
                min-height: 36px;
            }
            .page-hero {
                min-height: 320px;
            }
            .page-hero h1 {
                font-size: clamp(26px, 6vw, 32px);
            }
            .page-hero .hero-subtitle {
                font-size: 14px;
            }
            .page-hero .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stat-item .stat-number {
                font-size: clamp(24px, 5vw, 32px);
            }
            .stat-item .stat-label {
                font-size: 12px;
            }
            .feature-split {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .feature-split .feature-image img {
                height: 220px;
            }
            .data-list {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .report-card .report-cover {
                height: 160px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-bottom .footer-links {
                justify-content: center;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .cta-band {
                padding: 44px 0;
            }
            .cta-band .cta-actions {
                flex-direction: column;
            }
        }

/* roulang page: category7 */
:root {
            --color-primary: #1F342E;
            --color-primary-dark: #162722;
            --color-accent: #7C2F3D;
            --color-accent-dark: #5F2430;
            --color-accent-deeper: #4A1C26;
            --color-bg: #F6F2EC;
            --color-card: #FFFFFF;
            --color-gold: #A8875B;
            --color-text: #2B2B28;
            --color-text-muted: #5F5D59;
            --color-text-inverse: #F6F2EC;
            --color-border: #E5DFD7;
            --radius-card: 10px;
            --radius-btn: 24px;
            --radius-tag: 14px;
            --radius-input: 6px;
            --shadow-card: 0 2px 8px rgba(31, 52, 46, 0.06), 0 0 0 1px #E5DFD7 inset;
            --shadow-card-hover: 0 10px 30px rgba(31, 52, 46, 0.12), 0 0 0 1px rgba(124, 47, 61, 0.25) inset;
            --shadow-nav: 0 2px 12px rgba(31, 52, 46, 0.05);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --font-num: "Helvetica Neue", Arial, sans-serif;
            --spacing-section: 72px;
            --container-max: 1200px;
            --transition-base: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base), background-color var(--transition-base);
        }
        a:hover,
        a:focus {
            color: var(--color-accent);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        ul,
        ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 10px;
            color: var(--color-primary);
            line-height: 1.35;
        }
        p {
            margin: 0 0 16px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        section {
            padding: var(--spacing-section) 0;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header .section-tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(124, 47, 61, 0.08);
            border-radius: var(--radius-tag);
            margin-bottom: 12px;
            letter-spacing: 0.05em;
        }
        .section-header h2 {
            font-size: clamp(24px, 2.8vw, 34px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }
        .section-header .section-desc {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.7;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            transition: all var(--transition-base);
            text-align: center;
            min-height: 44px;
            white-space: nowrap;
            letter-spacing: 0.01em;
            border: 2px solid transparent;
        }
        .btn:hover,
        .btn:focus {
            text-decoration: none;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-primary {
            background: var(--color-accent);
            color: #FFFFFF;
            border-color: var(--color-accent);
        }
        .btn-primary:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #FFFFFF;
        }
        .btn-primary:active {
            background: var(--color-accent-deeper);
            border-color: var(--color-accent-deeper);
            color: #FFFFFF;
        }
        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(124, 47, 61, 0.25);
            border-radius: var(--radius-btn);
        }
        .btn-secondary {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-secondary:hover {
            background: rgba(31, 52, 46, 0.07);
            color: var(--color-primary);
        }
        .btn-secondary:active {
            background: rgba(31, 52, 46, 0.14);
            color: var(--color-primary);
        }
        .btn-secondary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(31, 52, 46, 0.18);
            border-radius: var(--radius-btn);
        }
        .btn-light {
            background: transparent;
            color: var(--color-text-inverse);
            border-color: var(--color-text-inverse);
        }
        .btn-light:hover {
            background: rgba(246, 242, 236, 0.12);
            color: var(--color-text-inverse);
        }
        .btn-light:active {
            background: rgba(246, 242, 236, 0.2);
            color: var(--color-text-inverse);
        }
        .btn-link {
            background: none;
            border: none;
            color: var(--color-accent);
            padding: 8px 0;
            min-height: auto;
            font-weight: 600;
            gap: 6px;
        }
        .btn-link .arrow {
            transition: transform var(--transition-base);
            display: inline-block;
        }
        .btn-link:hover .arrow {
            transform: translateX(4px);
        }
        /* Header / Nav */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-nav);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 20px;
            flex-wrap: wrap;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gold);
            font-size: 18px;
            flex-shrink: 0;
        }
        .logo-text {
            font-weight: 700;
            font-size: 20px;
            color: var(--color-primary);
            letter-spacing: 0.03em;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border-bottom: 2px solid transparent;
            transition: color var(--transition-base), border-color var(--transition-base);
            letter-spacing: 0.01em;
        }
        .nav-links a:hover {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
        }
        .nav-links a.active {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
            font-weight: 600;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-form {
            display: flex;
            align-items: center;
            gap: 0;
        }
        .search-form input {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn) 0 0 var(--radius-btn);
            padding: 8px 16px;
            font-size: 14px;
            min-height: 40px;
            min-width: 190px;
            background: var(--color-bg);
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(124, 47, 61, 0.12);
        }
        .search-form button {
            background: var(--color-primary);
            color: var(--color-text-inverse);
            border-radius: 0 var(--radius-btn) var(--radius-btn) 0;
            padding: 0 18px;
            min-height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background-color var(--transition-base);
        }
        .search-form button:hover {
            background: var(--color-accent);
        }
        .nav-cta {
            background: var(--color-accent);
            color: #FFFFFF;
            padding: 8px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            min-height: 40px;
            display: inline-flex;
            align-items: center;
            transition: all var(--transition-base);
            border: 2px solid var(--color-accent);
        }
        .nav-cta:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #FFFFFF;
        }
        .nav-toggle {
            display: none;
            font-size: 24px;
            color: var(--color-primary);
            padding: 8px;
            min-width: 44px;
            min-height: 44px;
            align-items: center;
            justify-content: center;
            background: none;
            border: none;
        }
        /* Breadcrumb */
        .breadcrumb-bar {
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .separator {
            color: var(--color-gold);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
        }
        /* Category Banner */
        .category-banner {
            background: var(--color-primary);
            min-height: 340px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding: 48px 0;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(31, 52, 46, 0.75);
            z-index: 1;
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
        }
        .category-banner h1 {
            font-size: clamp(32px, 4.2vw, 48px);
            font-weight: 700;
            color: var(--color-text-inverse);
            line-height: 1.18;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .category-banner .banner-sub {
            font-size: 17px;
            color: rgba(246, 242, 236, 0.82);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .banner-tag-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .banner-tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-inverse);
            background: rgba(246, 242, 236, 0.12);
            border: 1px solid rgba(246, 242, 236, 0.3);
            border-radius: var(--radius-tag);
            letter-spacing: 0.03em;
        }
        /* Featured Story */
        .featured-story {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            margin-top: -40px;
            position: relative;
            z-index: 3;
        }
        .featured-story .story-image {
            min-height: 380px;
            background: url('/assets/images/coverpic/cover-7.webp') center/cover no-repeat;
            position: relative;
        }
        .featured-story .story-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, rgba(31,52,46,0.4), transparent);
        }
        .featured-story .story-body {
            padding: 36px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-story .story-tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            color: #FFFFFF;
            background: var(--color-accent);
            border-radius: var(--radius-tag);
            align-self: flex-start;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .featured-story h2 {
            font-size: clamp(20px, 2vw, 26px);
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .featured-story .story-excerpt {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .featured-story .story-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .featured-story .story-meta .date-badge {
            background: var(--color-accent);
            color: #FFFFFF;
            padding: 2px 10px;
            border-radius: var(--radius-tag);
            font-size: 12px;
        }
        /* Services / Highlights */
        .info-services {
            background: var(--color-bg);
        }
        .info-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .info-item {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .info-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-base);
        }
        .info-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .info-item:hover::before {
            transform: scaleX(1);
        }
        .info-item .info-icon {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: rgba(31, 52, 46, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 20px;
            margin-bottom: 14px;
        }
        .info-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .info-item p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* News Ticker / Horizontal List */
        .ticker-section {
            background: #FFFFFF;
            padding: 48px 0;
        }
        .ticker-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .ticker-item {
            display: grid;
            grid-template-columns: 110px 1fr auto;
            gap: 16px;
            padding: 18px 22px;
            border-bottom: 1px solid var(--color-border);
            align-items: center;
            transition: background-color var(--transition-base);
        }
        .ticker-item:last-child {
            border-bottom: none;
        }
        .ticker-item:hover {
            background: rgba(246, 242, 236, 0.6);
        }
        .ticker-date {
            font-size: 13px;
            color: var(--color-accent);
            font-weight: 600;
            background: rgba(124, 47, 61, 0.08);
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            text-align: center;
            align-self: center;
        }
        .ticker-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
            line-height: 1.5;
        }
        .ticker-content p {
            font-size: 14px;
            color: var(--color-text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }
        .ticker-link {
            color: var(--color-accent);
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .ticker-link:hover {
            text-decoration: underline;
        }
        /* Invite / Progress */
        .invite-section {
            background: var(--color-primary);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }
        .invite-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .invite-section .container {
            position: relative;
            z-index: 1;
        }
        .invite-inner {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: center;
        }
        .invite-text h2 {
            font-size: clamp(24px, 2.6vw, 32px);
            font-weight: 700;
            color: var(--color-text-inverse);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .invite-text p {
            font-size: 15px;
            color: rgba(246, 242, 236, 0.75);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .invite-progress h4 {
            font-size: 15px;
            color: var(--color-text-inverse);
            font-weight: 500;
            margin-bottom: 8px;
        }
        .progress-track {
            background: rgba(246, 242, 236, 0.15);
            border-radius: 10px;
            height: 10px;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .progress-fill {
            background: var(--color-gold);
            height: 100%;
            border-radius: 10px;
            width: 68%;
            transition: width var(--transition-smooth);
            position: relative;
        }
        .progress-fill::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: 20px;
            background: rgba(246, 242, 236, 0.3);
            border-radius: 0 10px 10px 0;
        }
        .progress-label {
            font-size: 13px;
            color: rgba(246, 242, 236, 0.7);
            display: flex;
            justify-content: space-between;
        }
        .invite-rewards {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 18px;
        }
        .reward-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            font-size: 13px;
            color: var(--color-text-inverse);
            background: rgba(246, 242, 236, 0.1);
            border: 1px solid rgba(246, 242, 236, 0.25);
            border-radius: var(--radius-tag);
        }
        .reward-chip i {
            color: var(--color-gold);
            font-size: 12px;
        }
        /* FAQ */
        .faq-section {
            background: var(--color-bg);
        }
        .accordion-list {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            background: #FFFFFF;
            box-shadow: var(--shadow-card);
        }
        .accordion-item {
            border-bottom: 1px solid var(--color-border);
        }
        .accordion-item:last-child {
            border-bottom: none;
        }
        .accordion-trigger {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 16px;
            transition: background-color var(--transition-base), color var(--transition-base);
            cursor: pointer;
        }
        .accordion-trigger:hover {
            background: rgba(246, 242, 236, 0.4);
            color: var(--color-accent);
        }
        .accordion-trigger .accordion-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(124, 47, 61, 0.08);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: transform var(--transition-base);
        }
        .accordion-trigger.open .accordion-icon {
            transform: rotate(45deg);
        }
        .accordion-panel {
            padding: 0 22px 18px;
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.7;
            display: none;
        }
        .accordion-panel.show {
            display: block;
        }
        /* CTA Banner */
        .cta-banner {
            background: var(--color-primary);
            border-top: 4px solid var(--color-gold);
            padding: 56px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }
        .cta-banner .container {
            position: relative;
            z-index: 1;
        }
        .cta-banner h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 700;
            color: var(--color-text-inverse);
            margin-bottom: 14px;
        }
        .cta-banner p {
            font-size: 16px;
            color: rgba(246, 242, 236, 0.75);
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .cta-banner .btn-row {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        /* Footer */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(246, 242, 236, 0.75);
            padding: 56px 0 0;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(246, 242, 236, 0.12);
        }
        .footer-brand .logo-text {
            color: var(--color-text-inverse);
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(246, 242, 236, 0.65);
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-inverse);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(246, 242, 236, 0.65);
            font-size: 14px;
            transition: color var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--color-gold);
        }
        .footer-subscribe p {
            font-size: 14px;
            color: rgba(246, 242, 236, 0.65);
            margin-bottom: 12px;
        }
        .subscribe-box {
            display: flex;
            gap: 8px;
        }
        .subscribe-box input {
            flex: 1;
            background: rgba(246, 242, 236, 0.1);
            border: 1px solid rgba(246, 242, 236, 0.25);
            border-radius: var(--radius-input);
            padding: 10px 14px;
            font-size: 14px;
            color: var(--color-text-inverse);
            min-height: 40px;
        }
        .subscribe-box input::placeholder {
            color: rgba(246, 242, 236, 0.4);
        }
        .subscribe-box input:focus {
            outline: none;
            border-color: var(--color-gold);
            box-shadow: 0 0 0 3px rgba(168, 135, 91, 0.2);
        }
        .subscribe-box .btn {
            min-height: 40px;
            padding: 0 20px;
            font-size: 14px;
            flex-shrink: 0;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(246, 242, 236, 0.5);
        }
        .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .footer-links a {
            color: rgba(246, 242, 236, 0.5);
            transition: color var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--color-gold);
        }
        .footer-links span {
            color: rgba(246, 242, 236, 0.4);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .info-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .invite-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .featured-story {
                grid-template-columns: 1fr;
            }
            .featured-story .story-image {
                min-height: 260px;
            }
            .featured-story .story-body {
                padding: 28px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: 14px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: nowrap;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 0;
                box-shadow: var(--shadow-nav);
                border-bottom: 1px solid var(--color-border);
                z-index: 99;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 20px;
                font-size: 15px;
                border-bottom: none;
                border-left: 3px solid transparent;
            }
            .nav-links a.active {
                border-left-color: var(--color-accent);
                border-bottom: none;
                background: rgba(124, 47, 61, 0.04);
            }
            .nav-toggle {
                display: flex;
            }
            .search-form input {
                min-width: 120px;
                width: 120px;
                font-size: 13px;
            }
            .nav-cta {
                padding: 8px 14px;
                font-size: 13px;
            }
            section {
                padding: 40px 0;
            }
            .category-banner {
                min-height: 280px;
                padding: 36px 0;
            }
            .info-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .ticker-item {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 14px 18px;
            }
            .ticker-date {
                align-self: flex-start;
            }
            .featured-story .story-body {
                padding: 22px 18px;
            }
            .invite-section {
                padding: 40px 0;
            }
            .cta-banner {
                padding: 40px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .footer-links {
                gap: 10px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
                min-height: 44px;
            }
            .section-header {
                margin-bottom: 24px;
            }
            .accordion-trigger {
                padding: 14px 16px;
                font-size: 15px;
            }
            .accordion-panel {
                padding: 0 16px 14px;
            }
        }
        @media (max-width: 520px) {
            .logo-text {
                font-size: 18px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
            .search-form {
                display: none;
            }
            .nav-cta {
                padding: 6px 12px;
                font-size: 12px;
                min-height: 36px;
            }
            .category-banner h1 {
                font-size: 26px;
            }
            .category-banner .banner-sub {
                font-size: 15px;
            }
            .featured-story .story-image {
                min-height: 200px;
            }
            .info-item {
                padding: 20px 16px;
            }
            .info-item h3 {
                font-size: 16px;
            }
            .ticker-content h4 {
                font-size: 14px;
            }
            .ticker-content p {
                font-size: 13px;
            }
            .progress-track {
                height: 8px;
            }
            .invite-rewards {
                gap: 8px;
            }
            .reward-chip {
                font-size: 11px;
                padding: 4px 10px;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
            .btn-row {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-row .btn {
                width: 100%;
            }
        }