/* roulang page: index */
:root {
            --mk-primary: #1a1a1f;
            --mk-accent: #c8a45c;
            --mk-accent-dark: #a88842;
            --mk-surface: #fafaf8;
            --mk-surface-alt: #f2f0eb;
            --mk-text: #1f1f26;
            --mk-text-soft: #6b6b72;
            --mk-border: #e5e3dc;
            --mk-card: #ffffff;
            --mk-dark: #141416;
            --mk-dark-surface: #1c1c20;
            --mk-dark-text: #e8e8ec;
            --mk-dark-soft: #9a9aa0;
            --mk-dark-border: #2e2e34;
            --mk-radius: 0.5rem;
            --mk-radius-lg: 0.75rem;
            --mk-radius-xl: 1rem;
            --mk-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --mk-shadow: 0 4px 16px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.03);
            --mk-shadow-md: 0 8px 28px rgba(0, 0, 0, 0.08), 0 3px 10px rgba(0, 0, 0, 0.04);
            --mk-shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.10), 0 4px 16px rgba(0, 0, 0, 0.05);
            --transition-fast: 180ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-smooth: 300ms 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-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            line-height: 1.7;
            color: var(--mk-text);
            background-color: var(--mk-surface);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid transparent;
            transition: all var(--transition-smooth);
        }
        .site-header.scrolled {
            border-bottom-color: var(--mk-border);
            box-shadow: var(--mk-shadow-sm);
            background: rgba(255, 255, 255, 0.96);
        }
        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .site-logo {
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--mk-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .site-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--mk-radius);
            background: var(--mk-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9rem;
            letter-spacing: 0;
            flex-shrink: 0;
        }
        .site-logo:hover {
            color: var(--mk-accent);
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
        }
        .nav-list li a {
            display: block;
            padding: 0.45rem 1rem;
            border-radius: var(--mk-radius);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--mk-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav-list li a:hover {
            color: var(--mk-primary);
            background: var(--mk-surface-alt);
        }
        .nav-list li a.active {
            color: var(--mk-accent);
            background: rgba(200, 164, 92, 0.08);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.4rem;
            border-radius: var(--mk-radius);
            font-size: 0.88rem;
            font-weight: 600;
            background: var(--mk-primary);
            color: #fff;
            border: none;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            letter-spacing: 0.02em;
            cursor: pointer;
        }
        .nav-cta:hover {
            background: var(--mk-accent);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--mk-shadow-md);
        }
        .nav-cta:active {
            transform: translateY(0);
            box-shadow: var(--mk-shadow-sm);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--mk-primary);
            padding: 0.4rem;
            border-radius: var(--mk-radius);
            cursor: pointer;
            transition: background var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: var(--mk-surface-alt);
        }

        /* Mobile Nav */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 99;
            padding: 1.5rem;
            flex-direction: column;
            gap: 0.5rem;
            overflow-y: auto;
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav a {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: var(--mk-radius);
            font-size: 1rem;
            font-weight: 500;
            color: var(--mk-text);
            transition: all var(--transition-fast);
            border-bottom: 1px solid var(--mk-border);
        }
        .mobile-nav a:hover,
        .mobile-nav a.active {
            color: var(--mk-accent);
            background: rgba(200, 164, 92, 0.05);
        }
        .mobile-nav .nav-cta-mobile {
            margin-top: 0.75rem;
            display: block;
            text-align: center;
            padding: 0.8rem 1.5rem;
            border-radius: var(--mk-radius);
            font-weight: 600;
            background: var(--mk-primary);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            font-size: 1rem;
        }
        .mobile-nav .nav-cta-mobile:hover {
            background: var(--mk-accent);
        }

        @media (max-width: 1023px) {
            .nav-list {
                display: none;
            }
            .nav-cta.desktop-only {
                display: none;
            }
            .mobile-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
        }
        @media (min-width: 1024px) {
            .mobile-toggle {
                display: none;
            }
            .mobile-nav {
                display: none !important;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            padding-top: 64px;
            background: var(--mk-dark);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.55;
            filter: brightness(0.6) saturate(0.8);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(20, 20, 22, 0.3) 0%, rgba(20, 20, 22, 0.7) 60%, rgba(20, 20, 22, 0.9) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            padding: 2rem 1.5rem;
        }
        .hero-tag {
            display: inline-block;
            padding: 0.35rem 1rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            background: rgba(200, 164, 92, 0.2);
            color: #f0d78c;
            border: 1px solid rgba(200, 164, 92, 0.35);
            margin-bottom: 1.25rem;
        }
        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.8rem);
            font-weight: 700;
            line-height: 1.18;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }
        .hero-title .accent {
            color: #e0c87c;
        }
        .hero-desc {
            font-size: clamp(1rem, 1.8vw, 1.2rem);
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
            margin-bottom: 2rem;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.75rem 2rem;
            border-radius: var(--mk-radius);
            font-size: 0.95rem;
            font-weight: 600;
            background: var(--mk-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: #d4b368;
            transform: translateY(-2px);
            box-shadow: var(--mk-shadow-lg);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.7rem 1.9rem;
            border-radius: var(--mk-radius);
            font-size: 0.95rem;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }

        /* Sections */
        .section {
            padding: 5rem 0;
        }
        @media (max-width: 767px) {
            .section {
                padding: 3rem 0;
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: var(--mk-accent);
            margin-bottom: 0.6rem;
        }
        .section-header .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--mk-primary);
            letter-spacing: -0.02em;
            margin-bottom: 0.6rem;
        }
        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--mk-text-soft);
            max-width: 500px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* Brand Matrix Cards */
        .brand-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        @media (max-width: 639px) {
            .brand-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
        }
        .brand-card {
            background: var(--mk-card);
            border-radius: var(--mk-radius-lg);
            overflow: hidden;
            border: 1px solid var(--mk-border);
            transition: all var(--transition-smooth);
            cursor: pointer;
            position: relative;
            box-shadow: var(--mk-shadow-sm);
        }
        .brand-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--mk-shadow-lg);
            border-color: #d5cfc2;
        }
        .brand-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .brand-card .card-body {
            padding: 1.25rem;
        }
        .brand-card .card-tag {
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: var(--mk-accent);
            margin-bottom: 0.4rem;
        }
        .brand-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--mk-primary);
            margin-bottom: 0.35rem;
            letter-spacing: -0.01em;
        }
        .brand-card .card-desc {
            font-size: 0.88rem;
            color: var(--mk-text-soft);
            line-height: 1.5;
        }

        /* Data Panel */
        .data-panel {
            background: var(--mk-dark-surface);
            border-radius: var(--mk-radius-xl);
            padding: 2.5rem 2rem;
            color: var(--mk-dark-text);
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            text-align: center;
        }
        @media (max-width: 767px) {
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.25rem;
            }
        }
        @media (max-width: 480px) {
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
        }
        .data-item .data-number {
            font-size: clamp(1.8rem, 3.5vw, 2.5rem);
            font-weight: 700;
            color: #e0c87c;
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .data-item .data-label {
            font-size: 0.85rem;
            color: var(--mk-dark-soft);
            margin-top: 0.4rem;
            letter-spacing: 0.02em;
        }

        /* Service Entry Cards */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 1.25rem;
        }
        @media (max-width: 639px) {
            .service-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
        }
        @media (max-width: 420px) {
            .service-grid {
                grid-template-columns: 1fr;
            }
        }
        .service-card {
            background: var(--mk-card);
            border-radius: var(--mk-radius-lg);
            padding: 1.5rem;
            border: 1px solid var(--mk-border);
            text-align: center;
            transition: all var(--transition-smooth);
            cursor: pointer;
            box-shadow: var(--mk-shadow-sm);
            text-decoration: none;
            display: block;
            color: inherit;
        }
        .service-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--mk-shadow-md);
            border-color: #c8b98a;
        }
        .service-card .service-icon {
            font-size: 2rem;
            color: var(--mk-accent);
            margin-bottom: 0.75rem;
            display: block;
        }
        .service-card .service-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--mk-primary);
            margin-bottom: 0.3rem;
        }
        .service-card .service-desc {
            font-size: 0.8rem;
            color: var(--mk-text-soft);
            line-height: 1.4;
        }

        /* News / Article cards */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
        }
        @media (max-width: 639px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }
        .news-card {
            background: var(--mk-card);
            border-radius: var(--mk-radius-lg);
            overflow: hidden;
            border: 1px solid var(--mk-border);
            transition: all var(--transition-smooth);
            cursor: pointer;
            box-shadow: var(--mk-shadow-sm);
        }
        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--mk-shadow-md);
        }
        .news-card .news-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .news-card .news-body {
            padding: 1.15rem;
        }
        .news-card .news-date {
            font-size: 0.75rem;
            color: var(--mk-text-soft);
            margin-bottom: 0.3rem;
            letter-spacing: 0.02em;
        }
        .news-card .news-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--mk-primary);
            margin-bottom: 0.3rem;
            line-height: 1.35;
        }
        .news-card .news-excerpt {
            font-size: 0.84rem;
            color: var(--mk-text-soft);
            line-height: 1.5;
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: var(--mk-card);
            border: 1px solid var(--mk-border);
            border-radius: var(--mk-radius-lg);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--mk-shadow-sm);
        }
        .faq-item:hover {
            border-color: #cfc8b6;
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.15rem 1.3rem;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--mk-primary);
            text-align: left;
            letter-spacing: 0.01em;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--mk-accent);
        }
        .faq-question .faq-icon {
            font-size: 0.85rem;
            color: var(--mk-text-soft);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            margin-left: 1rem;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--mk-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 1.3rem 1.15rem;
            font-size: 0.88rem;
            color: var(--mk-text-soft);
            line-height: 1.65;
        }

        /* CTA Section */
        .cta-section {
            background: var(--mk-dark-surface);
            color: var(--mk-dark-text);
            text-align: center;
            padding: 4rem 1.5rem;
            border-radius: var(--mk-radius-xl);
            margin: 2rem auto;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -30%;
            width: 80%;
            height: 180%;
            background: radial-gradient(ellipse, rgba(200, 164, 92, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 560px;
            margin: 0 auto;
        }
        .cta-section .cta-title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }
        .cta-section .cta-desc {
            font-size: 1rem;
            color: var(--mk-dark-soft);
            margin-bottom: 1.75rem;
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background: var(--mk-dark);
            color: var(--mk-dark-text);
            padding: 3.5rem 0 2rem;
            border-top: 1px solid var(--mk-dark-border);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
        }
        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
            letter-spacing: -0.02em;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: var(--mk-dark-soft);
            line-height: 1.6;
            margin-bottom: 1rem;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--mk-dark-soft);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #e0c87c;
        }
        .footer-bottom {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--mk-dark-border);
            text-align: center;
            font-size: 0.8rem;
            color: var(--mk-dark-soft);
            letter-spacing: 0.02em;
        }

        /* Dark section variant */
        .section-dark {
            background: var(--mk-dark-surface);
            color: var(--mk-dark-text);
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: var(--mk-dark-soft);
        }
        .section-alt {
            background: var(--mk-surface-alt);
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }

@media (max-width:767px) {
                        .heritage-split {
                            grid-template-columns: 1fr !important;
                            gap: 1.5rem !important;
                        }
                    }

@media (max-width:767px) {
                        .mobile-split {
                            grid-template-columns: 1fr !important;
                        }
                        .mobile-split>div:first-child {
                            order: 1 !important;
                        }
                        .mobile-split>div:last-child {
                            order: 2 !important;
                        }
                    }

/* roulang page: category4 */
:root {
            --color-primary: #1a1a1a;
            --color-accent: #c8a260;
            --color-accent-subtle: #e8d5b0;
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f1ed;
            --color-bg-dark: #1a1a1a;
            --color-text: #2c2c2c;
            --color-text-weak: #6b6b6b;
            --color-text-light: #9a9a9a;
            --color-border: #e5e3de;
            --color-border-light: #f0ede8;
            --color-white: #ffffff;
            --color-card-shadow: rgba(0, 0, 0, 0.04);
            --color-card-hover-shadow: rgba(0, 0, 0, 0.1);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.1);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
            --spacing-2xl: 6rem;
            --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', serif;
            --font-body: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        ul {
            list-style: none;
        }
        input {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: 1220px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        @media (min-width: 1440px) {
            .container {
                max-width: 1340px;
            }
        }
        @media (max-width: 1024px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--header-height);
            transition: box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: var(--spacing-md);
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .site-logo:hover {
            opacity: 0.8;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            color: var(--color-accent);
            font-size: 0.85rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            border-radius: var(--radius-sm);
            font-family: var(--font-body);
            transition: background var(--transition-fast), color var(--transition-fast);
        }
        .site-logo:hover .logo-icon {
            background: var(--color-accent);
            color: var(--color-white);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }
        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.9rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-weak);
            border-radius: 20px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            position: relative;
        }
        .nav-list a:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }
        .nav-list a.active {
            color: var(--color-white);
            background: var(--color-primary);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 0.55rem 1.3rem;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-white);
            background: var(--color-accent);
            border-radius: 24px;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
        }
        .nav-cta:hover {
            background: var(--color-primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .nav-cta:active {
            transform: scale(0.97);
        }
        .mobile-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            font-size: 1.3rem;
            color: var(--color-primary);
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: var(--color-bg-alt);
        }
        .desktop-only {
            display: inline-flex;
        }

        @media (max-width: 1024px) {
            .nav-list {
                gap: 0.1rem;
            }
            .nav-list a {
                padding: 0.4rem 0.6rem;
                font-size: 0.82rem;
                border-radius: 16px;
            }
            .nav-cta {
                padding: 0.5rem 1rem;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 860px) {
            .nav-list {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: var(--spacing-md);
                border-bottom: 2px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                gap: 0.3rem;
                z-index: 999;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                width: 100%;
                padding: 0.7rem 1rem;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
                justify-content: flex-start;
            }
            .mobile-toggle {
                display: flex;
            }
            .nav-cta.desktop-only {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .site-logo {
                font-size: 1.15rem;
                gap: 7px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.7rem;
            }
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: var(--color-bg-dark);
            overflow: hidden;
            isolation: isolate;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 35%;
            opacity: 0.5;
            z-index: 0;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 26, 0.55) 0%, rgba(26, 26, 26, 0.8) 100%);
            z-index: 1;
        }
        .banner-content {
            position: relative;
            z-index: 2;
            padding: var(--spacing-2xl) 0;
            max-width: 700px;
        }
        .banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-accent-subtle);
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
        }
        .banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--transition-fast);
        }
        .banner-breadcrumb a:hover {
            color: var(--color-accent);
        }
        .banner-breadcrumb span {
            color: var(--color-accent);
        }
        .banner-title {
            font-family: var(--font-heading);
            font-size: 3.2rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-sm);
            line-height: 1.2;
        }
        .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            letter-spacing: 0.03em;
            line-height: 1.7;
            max-width: 560px;
        }
        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0.4rem 1rem;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(200, 162, 96, 0.15);
            border: 1px solid rgba(200, 162, 96, 0.3);
            border-radius: 20px;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.04em;
        }
        @media (max-width: 768px) {
            .page-banner {
                min-height: 340px;
            }
            .banner-title {
                font-size: 2.2rem;
            }
            .banner-subtitle {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                min-height: 280px;
            }
            .banner-title {
                font-size: 1.7rem;
            }
            .banner-subtitle {
                font-size: 0.9rem;
            }
        }

        /* Section */
        .section {
            padding: var(--spacing-2xl) 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-white);
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }
        .section-eyebrow {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: var(--spacing-xs);
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--color-primary);
            margin-bottom: var(--spacing-sm);
            line-height: 1.3;
        }
        .section-dark .section-title {
            color: var(--color-white);
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--spacing-xl) 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
        }
        @media (max-width: 520px) {
            .section-title {
                font-size: 1.5rem;
            }
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        .cards-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
        }
        .cards-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }
            .cards-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .cards-grid,
            .cards-grid-2,
            .cards-grid-4 {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        /* Card */
        .card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
            transform: translateY(-3px);
        }
        .card-image {
            position: relative;
            aspect-ratio: 3 / 2;
            overflow: hidden;
            background: var(--color-bg-alt);
            flex-shrink: 0;
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .card:hover .card-image img {
            transform: scale(1.04);
        }
        .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            display: inline-block;
            padding: 0.3rem 0.75rem;
            font-size: 0.72rem;
            font-weight: 600;
            background: var(--color-white);
            color: var(--color-primary);
            border-radius: 16px;
            letter-spacing: 0.04em;
            z-index: 2;
            box-shadow: var(--shadow-sm);
        }
        .card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-date {
            font-size: 0.78rem;
            color: var(--color-text-light);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }
        .card-title {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
            letter-spacing: 0.02em;
        }
        .card-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            flex: 1;
            margin-bottom: var(--spacing-sm);
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            margin-top: auto;
        }
        .card-link:hover {
            color: var(--color-primary);
            gap: 10px;
        }
        .card-link i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }
        .card-link:hover i {
            transform: translateX(3px);
        }

        /* Feature Card */
        .feature-card {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: var(--spacing-lg);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: var(--spacing-sm);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
            transform: translateY(-2px);
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            background: var(--color-bg-alt);
            color: var(--color-accent);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .feature-card:hover .feature-icon {
            background: var(--color-primary);
            color: var(--color-white);
        }
        .feature-card h4 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
        }

        /* Stat Block */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .stat-card {
            text-align: center;
            padding: var(--spacing-lg) var(--spacing-md);
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            letter-spacing: 0.03em;
        }
        .stat-suffix {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-accent);
        }
        @media (max-width: 1024px) {
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 520px) {
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .stat-card {
                padding: var(--spacing-md) var(--spacing-sm);
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: var(--spacing-md) var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            user-select: none;
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            transition: all var(--transition-fast);
            color: var(--color-text-weak);
        }
        .faq-item.open .faq-icon {
            background: var(--color-accent);
            color: var(--color-white);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 var(--spacing-lg);
            font-size: 0.92rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-lg) var(--spacing-md);
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-bg-dark);
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            z-index: 0;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: var(--spacing-2xl) 0;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-inner h3 {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-sm);
        }
        .cta-inner p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: var(--spacing-lg);
            line-height: 1.7;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 0.85rem 2.2rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-accent);
            border-radius: 28px;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(200, 162, 96, 0.3);
        }
        .btn-cta:hover {
            background: var(--color-white);
            box-shadow: 0 8px 30px rgba(200, 162, 96, 0.4);
            transform: translateY(-2px);
        }
        .btn-cta:active {
            transform: scale(0.97);
        }
        @media (max-width: 768px) {
            .cta-inner h3 {
                font-size: 1.8rem;
            }
            .cta-inner p {
                font-size: 0.95rem;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: var(--spacing-2xl) 0 var(--spacing-md);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-col a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.03em;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        /* Divider */
        .divider {
            height: 1px;
            background: var(--color-border-light);
            margin: 0;
        }

        /* Highlight text */
        .highlight {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* Brand pill */
        .brand-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0.5rem 1.2rem;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: 24px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .brand-pill:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
            color: var(--color-accent);
        }

        .brand-pills-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            justify-content: center;
        }

        /* Image text block */
        .img-text-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        .img-text-block.reverse {
            direction: ltr;
        }
        .img-text-block .img-side img {
            width: 100%;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
        }
        .img-text-block .text-side h3 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-sm);
            line-height: 1.3;
        }
        .img-text-block .text-side p {
            font-size: 1rem;
            color: var(--color-text-weak);
            line-height: 1.8;
        }
        @media (max-width: 768px) {
            .img-text-block {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .img-text-block .text-side h3 {
                font-size: 1.4rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-brand: #1a1a2e;
            --color-accent: #c9a96e;
            --color-accent-hover: #b8944f;
            --color-soft-bg: #f8f6f2;
            --color-card-bg: #ffffff;
            --color-text-primary: #1c1c1e;
            --color-text-secondary: #5c5c5e;
            --color-text-muted: #8e8e93;
            --color-border-soft: #e8e4dc;
            --color-border-light: #f0ede6;
            --radius-xl: 0.875rem;
            --radius-2xl: 1.125rem;
            --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04), 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 2px 4px rgba(0, 0, 0, 0.06), 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-nav: 0 1px 0 rgba(0, 0, 0, 0.05);
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            line-height: 1.7;
            color: var(--color-text-primary);
            background-color: #fcfbf8;
            min-height: 100vh;
            text-rendering: optimizeLegibility;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-smooth);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }

        input,
        button {
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-nav);
            transition: background var(--transition-smooth);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }

        @media (min-width: 1024px) {
            .header-inner {
                height: 72px;
            }
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: 0.02em;
            color: var(--color-brand);
            flex-shrink: 0;
            transition: opacity var(--transition-smooth);
        }
        .site-logo:hover {
            opacity: 0.82;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--color-brand);
            color: #fff;
            border-radius: 8px;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.04em;
        }

        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.25rem;
            align-items: center;
        }

        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.9rem;
            border-radius: 0.5rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .nav-list a:hover {
            color: var(--color-brand);
            background: rgba(26, 26, 46, 0.04);
        }
        .nav-list a.active {
            color: var(--color-brand);
            font-weight: 600;
            background: rgba(26, 26, 46, 0.06);
        }
        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2.5px;
            border-radius: 2px;
            background: var(--color-accent);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.15rem;
            border-radius: 2rem;
            font-size: 0.88rem;
            font-weight: 600;
            background: var(--color-brand);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            letter-spacing: 0.01em;
        }
        .nav-cta:hover {
            background: #2a2a42;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(26, 26, 46, 0.28);
        }
        .nav-cta:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .nav-cta i {
            font-size: 0.75rem;
            color: var(--color-accent);
        }

        .desktop-only {
            display: none;
        }
        @media (min-width: 1024px) {
            .desktop-only {
                display: inline-flex;
            }
        }

        .mobile-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            font-size: 1.3rem;
            color: var(--color-brand);
            transition: background var(--transition-smooth);
            flex-shrink: 0;
        }
        .mobile-toggle:hover {
            background: rgba(26, 26, 46, 0.06);
        }
        @media (min-width: 1024px) {
            .mobile-toggle {
                display: none;
            }
        }

        /* Mobile nav */
        @media (max-width: 1023px) {
            .nav-list {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                gap: 0;
                padding: 0.75rem 1.5rem 1.25rem;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                z-index: 99;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                width: 100%;
                padding: 0.7rem 0.8rem;
                border-radius: 6px;
                font-size: 0.95rem;
            }
            .nav-list a.active::after {
                display: none;
            }
            .nav-list a.active {
                background: rgba(26, 26, 46, 0.07);
                border-left: 3px solid var(--color-accent);
                border-radius: 4px;
            }
            .nav-cta.desktop-only {
                display: none;
            }
        }

        /* ===== Section spacing ===== */
        .section {
            padding: 3.5rem 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 5rem 0;
            }
        }
        @media (min-width: 1024px) {
            .section {
                padding: 6rem 0;
            }
        }

        .section-sm {
            padding: 2.5rem 0;
        }
        @media (min-width: 768px) {
            .section-sm {
                padding: 3.5rem 0;
            }
        }

        /* ===== Hero Banner ===== */
        .hero-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center 35%;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        @media (min-width: 768px) {
            .hero-banner {
                min-height: 500px;
            }
        }
        @media (min-width: 1024px) {
            .hero-banner {
                min-height: 560px;
            }
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.55) 0%, rgba(26, 26, 46, 0.72) 100%);
            z-index: 1;
        }
        .hero-banner .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            max-width: 680px;
        }
        .hero-banner .hero-badge {
            display: inline-block;
            padding: 0.3rem 0.9rem;
            background: rgba(201, 169, 110, 0.25);
            border: 1px solid rgba(201, 169, 110, 0.45);
            border-radius: 2rem;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 1rem;
            color: #f5e6cc;
        }
        .hero-banner h1 {
            font-family: 'Noto Serif SC', 'STSong', Georgia, serif;
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: 0.03em;
        }
        @media (min-width: 768px) {
            .hero-banner h1 {
                font-size: 2.8rem;
            }
        }
        @media (min-width: 1024px) {
            .hero-banner h1 {
                font-size: 3.3rem;
            }
        }
        .hero-banner .hero-desc {
            font-size: 1rem;
            opacity: 0.9;
            margin-top: 0.85rem;
            line-height: 1.65;
            max-width: 540px;
        }
        @media (min-width: 768px) {
            .hero-banner .hero-desc {
                font-size: 1.1rem;
            }
        }

        /* ===== Cards ===== */
        .brand-card {
            background: var(--color-card-bg);
            border-radius: var(--radius-2xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid var(--color-border-light);
        }
        .brand-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-card-hover);
            border-color: transparent;
        }
        .brand-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: #eae6dd;
        }
        .brand-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .brand-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .brand-card .card-img-wrap .card-tag {
            position: absolute;
            top: 0.85rem;
            left: 0.85rem;
            padding: 0.28rem 0.7rem;
            background: rgba(26, 26, 46, 0.78);
            color: #fff;
            border-radius: 2rem;
            font-size: 0.75rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            z-index: 1;
            backdrop-filter: blur(4px);
        }
        .brand-card .card-body {
            padding: 1.25rem 1.25rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        @media (min-width: 768px) {
            .brand-card .card-body {
                padding: 1.5rem 1.5rem 1.75rem;
            }
        }
        .brand-card .card-body h3 {
            font-weight: 600;
            font-size: 1.1rem;
            color: var(--color-brand);
            margin-bottom: 0.4rem;
            letter-spacing: 0.02em;
        }
        .brand-card .card-body p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 0.9rem;
        }
        .brand-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-accent);
            transition: all var(--transition-smooth);
            margin-top: auto;
        }
        .brand-card .card-link:hover {
            color: var(--color-accent-hover);
            gap: 0.5rem;
        }
        .brand-card .card-link i {
            font-size: 0.7rem;
            transition: transform var(--transition-smooth);
        }
        .brand-card .card-link:hover i {
            transform: translateX(3px);
        }

        /* ===== Stat block ===== */
        .stat-item {
            text-align: center;
            padding: 1.25rem;
        }
        .stat-item .stat-number {
            font-family: 'Noto Serif SC', Georgia, serif;
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-brand);
            letter-spacing: 0.02em;
        }
        @media (min-width: 768px) {
            .stat-item .stat-number {
                font-size: 2.8rem;
            }
        }
        .stat-item .stat-label {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            margin-top: 0.25rem;
            letter-spacing: 0.03em;
        }

        /* ===== News list ===== */
        .news-list-item {
            display: flex;
            gap: 1rem;
            padding: 1.1rem 0;
            border-bottom: 1px solid var(--color-border-light);
            align-items: flex-start;
            transition: all var(--transition-smooth);
        }
        .news-list-item:hover {
            padding-left: 0.4rem;
        }
        .news-list-item:last-child {
            border-bottom: none;
        }
        .news-list-item .news-date {
            flex-shrink: 0;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            font-weight: 500;
            letter-spacing: 0.04em;
            padding-top: 0.15rem;
            min-width: 80px;
        }
        .news-list-item .news-text a {
            font-weight: 500;
            color: var(--color-text-primary);
            font-size: 0.95rem;
            transition: color var(--transition-smooth);
            line-height: 1.5;
        }
        .news-list-item .news-text a:hover {
            color: var(--color-accent);
        }
        .news-list-item .news-text .news-tag {
            display: inline-block;
            font-size: 0.7rem;
            padding: 0.15rem 0.45rem;
            border-radius: 3px;
            background: rgba(201, 169, 110, 0.13);
            color: #8b6914;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-left: 0.5rem;
            vertical-align: middle;
        }

        /* ===== FAQ ===== */
        .faq-item {
            border: 1px solid var(--color-border-soft);
            border-radius: var(--radius-xl);
            margin-bottom: 0.65rem;
            overflow: hidden;
            background: #fff;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: #d6ceb8;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1rem 1.25rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-brand);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            transition: background var(--transition-smooth);
            letter-spacing: 0.01em;
        }
        .faq-question:hover {
            background: rgba(26, 26, 46, 0.025);
        }
        .faq-question i {
            font-size: 0.75rem;
            color: var(--color-accent);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 1.25rem 1.1rem;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--color-brand);
            color: #fff;
            text-align: center;
            border-radius: var(--radius-2xl);
            padding: 3rem 1.5rem;
        }
        @media (min-width: 768px) {
            .cta-section {
                padding: 4rem 2.5rem;
            }
        }
        .cta-section h2 {
            font-family: 'Noto Serif SC', Georgia, serif;
            font-size: 1.7rem;
            font-weight: 700;
            letter-spacing: 0.03em;
        }
        @media (min-width: 768px) {
            .cta-section h2 {
                font-size: 2.2rem;
            }
        }
        .cta-section p {
            opacity: 0.85;
            margin-top: 0.6rem;
            font-size: 0.95rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            padding: 0.7rem 1.8rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.95rem;
            background: var(--color-accent);
            color: #1a1a2e;
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
            margin-top: 1.5rem;
        }
        .btn-accent:hover {
            background: #d4b87a;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(201, 169, 110, 0.35);
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: none;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1a1a2e;
            color: #c5c5cc;
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
            margin-top: 2rem;
        }
        @media (min-width: 768px) {
            .site-footer {
                padding: 4rem 0 2rem;
                margin-top: 3rem;
            }
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
                gap: 2.5rem;
            }
        }
        .footer-brand {
            font-weight: 700;
            font-size: 1.15rem;
            color: #fff;
            margin-bottom: 0.5rem;
            letter-spacing: 0.03em;
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            opacity: 0.75;
            max-width: 340px;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 0.75rem;
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.45rem;
        }
        .footer-col ul li a {
            color: #b0b0ba;
            font-size: 0.85rem;
            transition: color var(--transition-smooth);
        }
        .footer-col ul li a:hover {
            color: #e8d5a8;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 1.25rem;
            text-align: center;
            font-size: 0.78rem;
            opacity: 0.6;
            line-height: 1.6;
        }

        /* ===== Utility ===== */
        .section-title {
            font-family: 'Noto Serif SC', Georgia, serif;
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-brand);
            letter-spacing: 0.03em;
            margin-bottom: 0.35rem;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            max-width: 560px;
            line-height: 1.6;
        }
        .section-header {
            margin-bottom: 2.5rem;
        }
        @media (min-width: 768px) {
            .section-header {
                margin-bottom: 3.5rem;
            }
        }

        .accent-line {
            display: inline-block;
            width: 40px;
            height: 3px;
            border-radius: 2px;
            background: var(--color-accent);
            margin-bottom: 0.65rem;
        }

        @media (max-width: 767px) {
            .brand-card .card-body h3 {
                font-size: 1rem;
            }
            .brand-card .card-body p {
                font-size: 0.83rem;
            }
            .hero-banner h1 {
                font-size: 1.7rem;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1a1a1a;
            --color-accent: #c8a45c;
            --color-accent-hover: #b0893d;
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f0eb;
            --color-bg-dark: #1c1c1c;
            --color-text: #2c2c2c;
            --color-text-light: #6b6b6b;
            --color-text-lighter: #9a9a9a;
            --color-border: #e5e0d8;
            --color-border-light: #f0ede6;
            --color-white: #ffffff;
            --color-success: #5a8a6a;
            --color-tag-bg: #f7f3ea;
            --color-tag-text: #8b7355;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.10);
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.75rem;
            --spacing-md: 1.25rem;
            --spacing-lg: 2rem;
            --spacing-xl: 3rem;
            --spacing-2xl: 4.5rem;
            --spacing-3xl: 6rem;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-heading: 'PingFang SC', 'Noto Sans SC', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Noto Sans SC', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.68;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition-base);
        }

        ul {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 var(--spacing-md);
            }
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: var(--spacing-lg);
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

        .site-logo:hover {
            opacity: 0.8;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            color: var(--color-accent);
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 800;
            letter-spacing: -0.02em;
        }

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

        .nav-list a {
            display: inline-block;
            padding: 8px 15px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            border-radius: 20px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-list a:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }

        .nav-list a.active {
            color: var(--color-white);
            background: var(--color-primary);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 20px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-white);
            background: var(--color-accent);
            border-radius: 24px;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: all var(--transition-base);
            box-shadow: 0 2px 8px rgba(200, 164, 92, 0.25);
        }

        .nav-cta:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 16px rgba(200, 164, 92, 0.4);
            transform: translateY(-1px);
        }

        .nav-cta:active {
            transform: scale(0.97);
        }

        .mobile-toggle {
            display: none;
            background: none;
            font-size: 1.4rem;
            color: var(--color-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
        }

        .mobile-toggle:hover {
            background: var(--color-bg-alt);
        }

        @media (max-width: 1024px) {
            .nav-list a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .nav-cta {
                padding: 8px 15px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 860px) {
            .nav-list {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                gap: 2px;
                padding: var(--spacing-md);
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 99;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-md);
            }
            .desktop-only {
                display: none !important;
            }
            .mobile-toggle {
                display: block;
            }
            .header-inner {
                height: 56px;
            }
        }

        @media (max-width: 520px) {
            .site-logo {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.75rem;
            }
            .header-inner {
                height: 52px;
            }
            .nav-list {
                top: 52px;
            }
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background: var(--color-bg-dark);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            min-height: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(28, 28, 28, 0.82) 0%, rgba(28, 28, 28, 0.45) 55%, rgba(28, 28, 28, 0.2) 100%);
            z-index: 1;
        }

        .page-banner-content {
            position: relative;
            z-index: 2;
            padding: var(--spacing-3xl) 0;
            color: var(--color-white);
        }

        .page-banner-content .banner-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(200, 164, 92, 0.25);
            border: 1px solid rgba(200, 164, 92, 0.5);
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.06em;
            color: #e8d5a3;
            margin-bottom: var(--spacing-md);
            text-transform: uppercase;
        }

        .page-banner-content h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.2;
            margin-bottom: var(--spacing-sm);
            color: #ffffff;
        }

        .page-banner-content .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 280px;
            }
            .page-banner-content h1 {
                font-size: 1.9rem;
            }
            .page-banner-content .banner-desc {
                font-size: 0.95rem;
            }
            .page-banner-content {
                padding: var(--spacing-2xl) 0;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                min-height: 240px;
            }
            .page-banner-content h1 {
                font-size: 1.5rem;
            }
            .page-banner-content .banner-tag {
                font-size: 0.7rem;
                padding: 4px 12px;
            }
        }

        /* Sections */
        .section {
            padding: var(--spacing-2xl) 0;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-white);
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: var(--spacing-xs);
        }

        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            margin-bottom: var(--spacing-sm);
        }

        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-light);
            max-width: 600px;
            margin: 0 auto;
        }

        .section-dark .section-header h2 {
            color: #ffffff;
        }
        .section-dark .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--spacing-xl) 0;
            }
            .section-header h2 {
                font-size: 1.55rem;
            }
            .section-header .section-subtitle {
                font-size: 0.9rem;
            }
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .cards-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
        }

        .cards-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .cards-grid,
            .cards-grid-2,
            .cards-grid-4 {
                grid-template-columns: 1fr;
            }
        }

        /* Card */
        .card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--color-bg-alt);
        }

        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .card-image .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 600;
            border-radius: 14px;
            letter-spacing: 0.04em;
            z-index: 2;
        }

        .card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .card-body .card-tag {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        .card-body h3 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 650;
            color: var(--color-primary);
            letter-spacing: -0.005em;
            line-height: 1.35;
        }

        .card-body p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.55;
            flex: 1;
        }

        .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: auto;
            transition: gap var(--transition-fast);
        }

        .card-body .card-link:hover {
            gap: 9px;
            color: var(--color-accent);
        }

        .card-body .card-link i {
            font-size: 0.7rem;
        }

        /* Horizontal Card */
        .card-horizontal {
            display: flex;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .card-horizontal:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .card-horizontal .card-h-image {
            width: 220px;
            flex-shrink: 0;
            overflow: hidden;
            aspect-ratio: 3 / 4;
            background: var(--color-bg-alt);
        }

        .card-horizontal .card-h-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .card-horizontal:hover .card-h-image img {
            transform: scale(1.05);
        }

        .card-horizontal .card-h-body {
            padding: var(--spacing-md) var(--spacing-lg);
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
        }

        .card-horizontal .card-h-body h3 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 650;
            color: var(--color-primary);
        }
        .card-horizontal .card-h-body p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.5;
        }
        .card-horizontal .card-h-body .card-tag {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.05em;
        }

        @media (max-width: 640px) {
            .card-horizontal {
                flex-direction: column;
            }
            .card-horizontal .card-h-image {
                width: 100%;
                aspect-ratio: 16 / 9;
            }
            .card-horizontal .card-h-body {
                padding: var(--spacing-md);
            }
        }

        /* Feature List */
        .feature-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .feature-item {
            text-align: center;
            padding: var(--spacing-lg);
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

        .feature-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .feature-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            color: var(--color-accent);
            font-size: 1.4rem;
            margin-bottom: var(--spacing-md);
            transition: all var(--transition-base);
        }

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

        .feature-item h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 650;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .feature-item p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .feature-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .feature-list {
                grid-template-columns: 1fr;
            }
        }

        /* Article List */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .article-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            padding: var(--spacing-md) var(--spacing-lg);
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .article-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
            transform: translateX(2px);
        }

        .article-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-accent);
            background: var(--color-bg-alt);
            border-radius: 50%;
            font-family: var(--font-heading);
        }

        .article-content {
            flex: 1;
            min-width: 0;
        }

        .article-content h4 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 3px;
        }

        .article-content p {
            font-size: 0.82rem;
            color: var(--color-text-light);
            line-height: 1.4;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-date {
            flex-shrink: 0;
            font-size: 0.78rem;
            color: var(--color-text-lighter);
            font-weight: 500;
        }

        @media (max-width: 640px) {
            .article-item {
                flex-wrap: wrap;
                gap: var(--spacing-sm);
                padding: var(--spacing-md);
            }
            .article-date {
                width: 100%;
                text-align: right;
            }
            .article-content p {
                white-space: normal;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            padding: var(--spacing-md) var(--spacing-lg);
            background: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            text-align: left;
            letter-spacing: 0.01em;
        }

        .faq-question i {
            font-size: 0.85rem;
            color: var(--color-accent);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 var(--spacing-lg) var(--spacing-md);
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-bg-dark);
            color: var(--color-white);
            text-align: center;
            padding: var(--spacing-2xl) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 60%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(200, 164, 92, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 540px;
            margin: 0 auto var(--spacing-lg);
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 32px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-accent);
            border-radius: 28px;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            box-shadow: 0 4px 20px rgba(200, 164, 92, 0.35);
        }

        .cta-btn:hover {
            background: #d4b368;
            box-shadow: 0 8px 28px rgba(200, 164, 92, 0.5);
            transform: translateY(-2px);
        }
        .cta-btn:active {
            transform: scale(0.96);
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.01em;
        }

        .footer-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.6;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 650;
            color: #ffffff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }

        .footer-col ul li a {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .footer-grid>div:first-child {
                grid-column: 1 / -1;
            }
            .footer-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        /* Stats Row */
        .stats-row {
            display: flex;
            justify-content: center;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
        }

        .stat-item {
            text-align: center;
            padding: var(--spacing-md);
            min-width: 120px;
        }

        .stat-num {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .stat-label {
            font-size: 0.82rem;
            color: var(--color-text-light);
            margin-top: 4px;
        }

        @media (max-width: 640px) {
            .stat-num {
                font-size: 1.8rem;
            }
            .stats-row {
                gap: var(--spacing-md);
            }
            .stat-item {
                min-width: 90px;
                padding: var(--spacing-sm);
            }
        }

        /* Tag Pills */
        .tag-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
            margin-top: var(--spacing-sm);
        }
        .tag-pill {
            padding: 6px 16px;
            font-size: 0.8rem;
            font-weight: 500;
            border-radius: 20px;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            cursor: default;
        }
        .tag-pill:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: #fdf9f0;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--color-text-lighter);
            padding: var(--spacing-md) 0 0;
        }
        .breadcrumb a {
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .sep {
            color: var(--color-border);
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        /* Utility */
        .text-accent {
            color: var(--color-accent);
        }
        .mt-0 {
            margin-top: 0;
        }

/* roulang page: category3 */
:root {
            --color-brand: #8B6914;
            --color-brand-light: #B8963A;
            --color-brand-dark: #5C3D0E;
            --color-accent: #C9A84C;
            --color-warm-bg: #FAF7F2;
            --color-creme: #FDFAF5;
            --color-soft-gold: #E8D5A3;
            --color-deep-brown: #3D2B1F;
            --color-muted: #7A7265;
            --color-surface: #FFFFFF;
            --color-border-soft: #E8E0D5;
            --color-text: #2C2416;
            --color-text-weak: #6B6255;
            --color-text-light: #8C8275;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-card: 0 1px 3px rgba(61, 43, 31, 0.06), 0 4px 16px rgba(61, 43, 31, 0.05);
            --shadow-card-hover: 0 2px 8px rgba(61, 43, 31, 0.10), 0 8px 28px rgba(61, 43, 31, 0.08);
            --shadow-nav: 0 1px 0 rgba(61, 43, 31, 0.06);
            --shadow-btn: 0 2px 8px rgba(139, 105, 20, 0.18);
            --shadow-btn-hover: 0 4px 18px rgba(139, 105, 20, 0.28);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-creme);
            min-height: 100vh;
            font-size: 16px;
            letter-spacing: 0.01em;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }

        ul {
            list-style: none;
        }

        input,
        button {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 2rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding: 0 2.5rem;
            }
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-soft);
            box-shadow: var(--shadow-nav);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .header-inner {
                height: 72px;
                gap: 2rem;
            }
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-deep-brown);
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }
        .site-logo:hover {
            opacity: 0.8;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            color: #fff;
            font-weight: 800;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .nav-list {
            display: none;
            align-items: center;
            gap: 0.15rem;
            flex-wrap: nowrap;
        }

        @media (min-width: 1024px) {
            .nav-list {
                display: flex;
                gap: 0.25rem;
            }
        }

        .nav-list li a {
            display: inline-block;
            padding: 0.45rem 0.85rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-weak);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .nav-list li a:hover {
            color: var(--color-brand);
            background: rgba(139, 105, 20, 0.05);
        }
        .nav-list li a.active {
            color: var(--color-brand);
            font-weight: 600;
            background: rgba(139, 105, 20, 0.08);
        }

        .nav-cta {
            display: none;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.3rem;
            background: var(--color-brand);
            color: #fff;
            font-weight: 600;
            font-size: 0.88rem;
            border-radius: 2rem;
            white-space: nowrap;
            transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            box-shadow: var(--shadow-btn);
            letter-spacing: 0.02em;
        }
        .nav-cta:hover {
            background: var(--color-brand-dark);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
        }
        .nav-cta:active {
            transform: translateY(0);
            box-shadow: var(--shadow-btn);
        }

        @media (min-width: 1024px) {
            .nav-cta.desktop-only {
                display: inline-flex;
            }
        }

        .mobile-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            font-size: 1.3rem;
            color: var(--color-deep-brown);
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-toggle:hover {
            background: rgba(139, 105, 20, 0.06);
        }

        @media (min-width: 1024px) {
            .mobile-toggle {
                display: none;
            }
        }

        /* Mobile nav panel */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 99;
            flex-direction: column;
            padding: 1.5rem;
            gap: 0.5rem;
            overflow-y: auto;
        }
        .mobile-nav-panel.open {
            display: flex;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 0.8rem 1rem;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-md);
            transition: background var(--transition-fast), color var(--transition-fast);
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            color: var(--color-brand);
            background: rgba(139, 105, 20, 0.06);
        }
        .mobile-nav-panel .mobile-cta {
            margin-top: 0.75rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.75rem 1.5rem;
            background: var(--color-brand);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 2rem;
            text-align: center;
            transition: background var(--transition-fast);
        }
        .mobile-nav-panel .mobile-cta:hover {
            background: var(--color-brand-dark);
        }

        @media (min-width: 1024px) {
            .mobile-nav-panel {
                display: none !important;
            }
            .mobile-nav-panel.open {
                display: none !important;
            }
        }

        /* Section spacing */
        .section {
            padding: 3rem 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 4.5rem 0;
            }
        }
        @media (min-width: 1024px) {
            .section {
                padding: 5.5rem 0;
            }
        }

        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        @media (min-width: 768px) {
            .section-header {
                margin-bottom: 3.5rem;
            }
        }
        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-brand);
            background: rgba(139, 105, 20, 0.07);
            padding: 0.3rem 0.9rem;
            border-radius: 2rem;
            margin-bottom: 0.75rem;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-deep-brown);
            letter-spacing: 0.02em;
            line-height: 1.3;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 2.2rem;
            }
        }
        @media (min-width: 1024px) {
            .section-title {
                font-size: 2.5rem;
            }
        }
        .section-subtitle {
            margin-top: 0.6rem;
            font-size: 1rem;
            color: var(--color-muted);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: var(--color-text-light);
            padding: 0.8rem 0;
        }
        .breadcrumb a {
            color: var(--color-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-brand);
        }
        .breadcrumb .sep {
            color: var(--color-border-soft);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--color-brand);
            font-weight: 500;
        }

        /* Hero Banner */
        .hero-banner {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-position: center 40%;
            border-radius: var(--radius-xl);
            overflow: hidden;
            margin-top: 0.5rem;
        }
        @media (min-width: 768px) {
            .hero-banner {
                min-height: 420px;
                border-radius: var(--radius-xl);
            }
        }
        @media (min-width: 1024px) {
            .hero-banner {
                min-height: 480px;
            }
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(61, 43, 31, 0.72) 0%, rgba(30, 18, 8, 0.55) 40%, rgba(61, 43, 31, 0.45) 100%);
            z-index: 1;
        }
        .hero-banner-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 2rem 1.5rem;
            max-width: 700px;
        }
        @media (min-width: 768px) {
            .hero-banner-content {
                padding: 3rem 2.5rem;
            }
        }
        .hero-banner-content h1 {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            line-height: 1.25;
            margin-bottom: 0.8rem;
        }
        @media (min-width: 768px) {
            .hero-banner-content h1 {
                font-size: 2.6rem;
            }
        }
        @media (min-width: 1024px) {
            .hero-banner-content h1 {
                font-size: 3rem;
            }
        }
        .hero-banner-content p {
            font-size: 1rem;
            opacity: 0.9;
            line-height: 1.65;
            max-width: 520px;
        }
        @media (min-width: 768px) {
            .hero-banner-content p {
                font-size: 1.1rem;
            }
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            padding: 0.35rem 1rem;
            border-radius: 2rem;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        /* Card grid */
        .card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        @media (min-width: 640px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.75rem;
            }
        }
        @media (min-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 2rem;
            }
        }
        .card-grid.two-col {
            grid-template-columns: 1fr;
        }
        @media (min-width: 768px) {
            .card-grid.two-col {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* Card */
        .card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid var(--color-border-soft);
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4/3;
            background: #f5f0e8;
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-img-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(4px);
            padding: 0.3rem 0.75rem;
            border-radius: 2rem;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-brand);
            letter-spacing: 0.03em;
            z-index: 2;
        }
        .card-body {
            padding: 1.25rem 1.25rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        @media (min-width: 768px) {
            .card-body {
                padding: 1.5rem 1.5rem 1.75rem;
            }
        }
        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 650;
            color: var(--color-deep-brown);
            letter-spacing: 0.02em;
            line-height: 1.35;
        }
        .card-body p {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.55;
            flex: 1;
        }
        .card-meta {
            font-size: 0.78rem;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-brand);
            transition: color var(--transition-fast), gap var(--transition-fast);
            margin-top: auto;
        }
        .card-link:hover {
            color: var(--color-brand-dark);
            gap: 0.5rem;
        }
        .card-link i {
            font-size: 0.75rem;
            transition: transform var(--transition-fast);
        }
        .card-link:hover i {
            transform: translateX(3px);
        }

        /* Feature list */
        .feature-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        @media (min-width: 640px) {
            .feature-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .feature-list {
                grid-template-columns: repeat(3, 1fr);
                gap: 2rem;
            }
        }
        .feature-item {
            display: flex;
            gap: 1rem;
            padding: 1.25rem;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-soft);
            transition: box-shadow var(--transition-smooth), border-color var(--transition-smooth);
        }
        .feature-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: transparent;
        }
        .feature-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            background: rgba(139, 105, 20, 0.08);
            color: var(--color-brand);
        }
        .feature-text h4 {
            font-weight: 650;
            font-size: 0.95rem;
            color: var(--color-deep-brown);
            margin-bottom: 0.25rem;
        }
        .feature-text p {
            font-size: 0.85rem;
            color: var(--color-muted);
            line-height: 1.5;
        }

        /* Stats row */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.25rem;
        }
        @media (min-width: 640px) {
            .stats-row {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.5rem;
            }
        }
        .stat-card {
            text-align: center;
            padding: 1.5rem 1rem;
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border-soft);
            transition: box-shadow var(--transition-smooth);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-brand);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }
        @media (min-width: 768px) {
            .stat-number {
                font-size: 2.4rem;
            }
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--color-muted);
            margin-top: 0.3rem;
            letter-spacing: 0.02em;
        }

        /* Article list */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .article-item {
            display: flex;
            gap: 1rem;
            padding: 1.15rem;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-soft);
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
            align-items: flex-start;
        }
        .article-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .article-thumb {
            flex-shrink: 0;
            width: 80px;
            height: 80px;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #f5f0e8;
        }
        @media (min-width: 640px) {
            .article-thumb {
                width: 100px;
                height: 100px;
            }
        }
        .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .article-info {
            flex: 1;
            min-width: 0;
        }
        .article-info h4 {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-deep-brown);
            line-height: 1.35;
            margin-bottom: 0.3rem;
        }
        .article-info p {
            font-size: 0.83rem;
            color: var(--color-muted);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-date {
            font-size: 0.75rem;
            color: var(--color-text-light);
            margin-top: 0.35rem;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-soft);
            overflow: hidden;
            transition: box-shadow var(--transition-smooth);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.25rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-deep-brown);
            text-align: left;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
            gap: 1rem;
        }
        .faq-question:hover {
            color: var(--color-brand);
        }
        .faq-question i {
            font-size: 0.8rem;
            color: var(--color-muted);
            transition: transform var(--transition-smooth), color var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-brand);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 1.25rem 1.1rem;
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.6;
        }

        /* CTA section */
        .cta-section {
            background: linear-gradient(160deg, var(--color-deep-brown) 0%, #2a1a0a 60%, var(--color-brand-dark) 100%);
            border-radius: var(--radius-xl);
            padding: 2.5rem 1.5rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        @media (min-width: 768px) {
            .cta-section {
                padding: 3.5rem 2.5rem;
                border-radius: var(--radius-xl);
            }
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.025);
            pointer-events: none;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 0.6rem;
        }
        @media (min-width: 768px) {
            .cta-section h2 {
                font-size: 2rem;
            }
        }
        .cta-section p {
            opacity: 0.85;
            max-width: 500px;
            margin: 0 auto 1.5rem;
            line-height: 1.6;
            font-size: 0.95rem;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.75rem 2rem;
            background: var(--color-accent);
            color: var(--color-deep-brown);
            font-weight: 650;
            font-size: 0.95rem;
            border-radius: 2rem;
            letter-spacing: 0.03em;
            transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.35);
        }
        .btn-cta:hover {
            background: #d4b45a;
            box-shadow: 0 6px 22px rgba(201, 168, 76, 0.5);
            transform: translateY(-2px);
        }
        .btn-cta:active {
            transform: translateY(0);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.65rem 1.6rem;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-weight: 500;
            font-size: 0.9rem;
            border-radius: 2rem;
            letter-spacing: 0.02em;
            transition: background var(--transition-fast), border-color var(--transition-fast);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.8);
        }

        /* Footer */
        .site-footer {
            background: var(--color-deep-brown);
            color: #d5cfc6;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        @media (min-width: 768px) {
            .site-footer {
                padding: 4rem 0 2rem;
            }
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
                gap: 2rem;
            }
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 0.6rem;
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.6;
            opacity: 0.75;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 650;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: 0.8rem;
            text-transform: uppercase;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            opacity: 0.7;
            transition: opacity var(--transition-fast), color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            opacity: 1;
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 1.25rem;
            font-size: 0.78rem;
            opacity: 0.6;
            text-align: center;
            line-height: 1.5;
        }

        /* Divider */
        .divider {
            border: none;
            border-top: 1px solid var(--color-border-soft);
            margin: 0;
        }

        /* Two-col layout */
        .two-col {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            align-items: center;
        }
        @media (min-width: 768px) {
            .two-col {
                grid-template-columns: 1fr 1fr;
                gap: 3rem;
            }
        }
        .two-col-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            aspect-ratio: 4/3;
            background: #f5f0e8;
            box-shadow: var(--shadow-card);
        }
        .two-col-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .two-col-text h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-deep-brown);
            margin-bottom: 0.8rem;
            letter-spacing: 0.02em;
        }
        @media (min-width: 768px) {
            .two-col-text h2 {
                font-size: 1.8rem;
            }
        }
        .two-col-text p {
            color: var(--color-muted);
            line-height: 1.65;
            margin-bottom: 0.8rem;
        }

        /* Focus visible */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-brand);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* Skeleton / loading placeholder removed - using real images */

/* roulang page: category6 */
:root {
            --color-primary: #1a1f2e;
            --color-accent: #c8a45c;
            --color-accent-hover: #b8933f;
            --color-bg: #f9f7f4;
            --color-surface: #ffffff;
            --color-text: #2c2c2c;
            --color-text-weak: #6b6b6b;
            --color-text-lighter: #999999;
            --color-border: #e8e4dc;
            --color-border-light: #f0ece6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.1);
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.75rem;
            --spacing-md: 1.25rem;
            --spacing-lg: 2rem;
            --spacing-xl: 3rem;
            --spacing-2xl: 4.5rem;
            --spacing-3xl: 6rem;
            --transition-fast: 0.18s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
        }

        input,
        button {
            outline: none;
        }

        input:focus-visible,
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding-left: var(--spacing-lg);
            padding-right: var(--spacing-lg);
        }

        /* ===== HEADER ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 66px;
            gap: var(--spacing-lg);
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 9px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

        .site-logo:hover {
            opacity: 0.82;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 0.15rem;
            list-style: none;
            flex-wrap: wrap;
        }

        .nav-list li a {
            display: block;
            padding: 0.55rem 1rem;
            border-radius: var(--radius-md);
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.02em;
        }

        .nav-list li a:hover {
            color: var(--color-accent);
            background: rgba(200, 164, 92, 0.06);
        }

        .nav-list li a.active {
            color: var(--color-accent);
            font-weight: 600;
            background: rgba(200, 164, 92, 0.1);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.6rem 1.35rem;
            background: var(--color-primary);
            color: #fff;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: #2a3044;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .nav-cta:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .mobile-toggle {
            display: none;
            background: none;
            font-size: 1.4rem;
            color: var(--color-primary);
            padding: 0.5rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        /* Mobile nav panel */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 66px;
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 99;
            flex-direction: column;
            padding: var(--spacing-lg);
            gap: 0.3rem;
            overflow-y: auto;
        }

        .mobile-nav-panel.open {
            display: flex;
        }

        .mobile-nav-panel a {
            display: block;
            padding: 0.9rem 1.2rem;
            font-size: 1.05rem;
            font-weight: 500;
            border-radius: var(--radius-md);
            color: var(--color-text);
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel a:hover {
            background: rgba(200, 164, 92, 0.06);
            color: var(--color-accent);
        }

        .mobile-nav-panel a.active {
            color: var(--color-accent);
            font-weight: 600;
            background: rgba(200, 164, 92, 0.1);
        }

        .mobile-nav-panel .mobile-cta {
            margin-top: var(--spacing-md);
            display: block;
            text-align: center;
            padding: 0.85rem 1.5rem;
            background: var(--color-primary);
            color: #fff;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
        }

        /* ===== PAGE BANNER ===== */
        .page-banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 31, 46, 0.55) 0%, rgba(26, 31, 46, 0.7) 60%, rgba(26, 31, 46, 0.82) 100%);
            z-index: 1;
        }

        .page-banner-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: var(--spacing-3xl) 0 var(--spacing-2xl);
            max-width: 700px;
        }

        .page-banner-content .banner-badge {
            display: inline-block;
            padding: 0.35rem 1rem;
            background: rgba(200, 164, 92, 0.85);
            color: #fff;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: var(--spacing-md);
        }

        .page-banner-content h1 {
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            line-height: 1.25;
            margin-bottom: var(--spacing-md);
        }

        .page-banner-content .banner-desc {
            font-size: 1.1rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
        }

        /* ===== SECTION ===== */
        .section {
            padding: var(--spacing-2xl) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }

        .section-header .section-tag {
            display: inline-block;
            padding: 0.3rem 0.9rem;
            background: rgba(200, 164, 92, 0.12);
            color: var(--color-accent);
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-xs);
        }

        .section-header .section-subtitle {
            color: var(--color-text-weak);
            font-size: 1rem;
            max-width: 500px;
            margin: 0 auto;
        }

        /* ===== CARDS ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e8e4dc;
        }

        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .card-img-wrap .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 0.3rem 0.75rem;
            background: rgba(26, 31, 46, 0.8);
            color: #fff;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            backdrop-filter: blur(4px);
            z-index: 2;
        }

        .card-body {
            padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 650;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            line-height: 1.4;
        }

        .card-body p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            flex: 1;
        }

        .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-accent);
            letter-spacing: 0.03em;
            transition: gap var(--transition-fast);
            margin-top: auto;
        }

        .card-body .card-link:hover {
            gap: 0.6rem;
            color: var(--color-accent-hover);
        }

        .card-body .card-link i {
            font-size: 0.7rem;
        }

        /* ===== FEATURED LIST ===== */
        .featured-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .featured-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

        .featured-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
            transform: translateX(3px);
        }

        .featured-num {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: 0.03em;
        }

        .featured-content h4 {
            font-size: 1.05rem;
            font-weight: 650;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            margin-bottom: 0.25rem;
        }

        .featured-content p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 1.55;
        }

        .featured-thumb {
            flex-shrink: 0;
            width: 100px;
            height: 70px;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #e8e4dc;
        }

        .featured-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== STATS ROW ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }

        .stat-card {
            text-align: center;
            padding: var(--spacing-xl) var(--spacing-lg);
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: 0.02em;
            line-height: 1;
            margin-bottom: 0.4rem;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        /* ===== TREND INSIGHT ===== */
        .insight-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
        }

        .insight-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .insight-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .insight-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #e8e4dc;
        }

        .insight-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .insight-card:hover .insight-img img {
            transform: scale(1.03);
        }

        .insight-body {
            padding: var(--spacing-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .insight-body h4 {
            font-size: 1.1rem;
            font-weight: 650;
            color: var(--color-primary);
            letter-spacing: 0.02em;
        }

        .insight-body p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
        }

        .insight-body .insight-date {
            font-size: 0.78rem;
            color: var(--color-text-lighter);
            letter-spacing: 0.03em;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md) var(--spacing-lg);
            background: none;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            text-align: left;
            gap: var(--spacing-md);
            transition: color var(--transition-fast);
        }

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

        .faq-question i {
            flex-shrink: 0;
            transition: transform var(--transition-base);
            color: var(--color-accent);
            font-size: 0.85rem;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
        }

        .faq-item.open .faq-answer {
            max-height: 260px;
            padding: 0 var(--spacing-lg) var(--spacing-lg);
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-primary);
            color: #fff;
            text-align: center;
            padding: var(--spacing-3xl) var(--spacing-lg);
            border-radius: var(--radius-xl);
            margin: var(--spacing-2xl) auto;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-sm);
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 500px;
            margin: 0 auto var(--spacing-lg);
            line-height: 1.6;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            background: var(--color-accent);
            color: #fff;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.04em;
            transition: all var(--transition-base);
        }

        .cta-btn:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(200, 164, 92, 0.35);
        }

        .cta-btn:active {
            transform: translateY(0);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: #1a1f2e;
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            margin-top: var(--spacing-2xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-sm);
        }

        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 650;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-sm);
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: var(--spacing-lg);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
            letter-spacing: 0.02em;
            line-height: 1.6;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .insight-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .page-banner-content h1 {
                font-size: 2.2rem;
            }
            .featured-item {
                flex-wrap: wrap;
                gap: var(--spacing-md);
            }
            .featured-thumb {
                width: 80px;
                height: 56px;
            }
        }

        @media (max-width: 768px) {
            .desktop-only {
                display: none !important;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-list {
                display: none;
            }
            .header-inner {
                height: 56px;
            }
            .site-header {
                position: sticky;
                top: 0;
            }
            .site-logo {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .container {
                padding-left: var(--spacing-md);
                padding-right: var(--spacing-md);
            }
            .page-banner {
                min-height: 280px;
            }
            .page-banner-content h1 {
                font-size: 1.7rem;
            }
            .page-banner-content .banner-desc {
                font-size: 0.95rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }
            .stat-number {
                font-size: 2rem;
            }
            .section {
                padding: var(--spacing-xl) 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .featured-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .featured-thumb {
                width: 100%;
                height: 140px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .cta-section {
                padding: var(--spacing-xl) var(--spacing-md);
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .insight-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
            .page-banner-content h1 {
                font-size: 1.4rem;
            }
            .page-banner {
                min-height: 240px;
            }
            .card-body h3 {
                font-size: 1rem;
            }
            .featured-num {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
        }

/* roulang page: category5 */
:root {
            --color-brand: #2e613d;
            --color-brand-light: #3d7a4f;
            --color-brand-dark: #1f3f2a;
            --color-accent: #c7802a;
            --color-accent-light: #de9c48;
            --color-accent-dark: #854d1c;
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f2ee;
            --color-surface: #ffffff;
            --color-text: #2a2621;
            --color-text-soft: #5f574d;
            --color-text-muted: #8b8170;
            --color-border: #d7d2c7;
            --color-border-light: #e8e5de;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 22px;
            --shadow-sm: 0 1px 2px rgba(42, 38, 33, 0.04);
            --shadow-md: 0 4px 16px rgba(42, 38, 33, 0.07);
            --shadow-lg: 0 8px 32px rgba(42, 38, 33, 0.10);
            --shadow-xl: 0 14px 48px rgba(42, 38, 33, 0.13);
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.5rem;
            --space-lg: 2.5rem;
            --space-xl: 4rem;
            --space-2xl: 6rem;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }

        input,
        button {
            font-size: inherit;
        }

        .container {
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 1280px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Site Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 1.5rem;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 1.22rem;
            letter-spacing: 0.04em;
            color: var(--color-brand-dark);
            white-space: nowrap;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }

        .site-logo:hover {
            opacity: 0.82;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            color: #fff;
            font-weight: 800;
            font-size: 0.85rem;
            letter-spacing: 0.06em;
            flex-shrink: 0;
        }

        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.15rem;
            align-items: center;
            flex-wrap: wrap;
        }

        .nav-list li a {
            display: block;
            padding: 0.45rem 0.85rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-list li a:hover {
            color: var(--color-brand);
            background: var(--color-bg-alt);
        }

        .nav-list li a.active {
            color: var(--color-brand);
            background: #eef5f0;
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            padding: 0.55rem 1.3rem;
            background: var(--color-brand);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.88rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: all var(--transition-base);
            box-shadow: 0 2px 10px rgba(46, 97, 61, 0.22);
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--color-brand-light);
            box-shadow: 0 4px 18px rgba(46, 97, 61, 0.32);
            transform: translateY(-1px);
        }

        .nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 1px 6px rgba(46, 97, 61, 0.18);
        }

        .desktop-only {
            display: inline-flex;
        }

        .mobile-toggle {
            display: none;
            font-size: 1.35rem;
            color: var(--color-text);
            padding: 0.4rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-toggle:hover {
            background: var(--color-bg-alt);
            color: var(--color-brand);
        }

        @media (max-width: 1023px) {
            .nav-list {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem 1.5rem;
                gap: 0.3rem;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-lg);
                z-index: 99;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 0.65rem 1rem;
                font-size: 0.95rem;
                width: 100%;
            }
            .desktop-only {
                display: none;
            }
            .mobile-toggle {
                display: inline-flex;
            }
            .header-inner {
                height: 60px;
            }
        }

        @media (min-width: 1024px) {
            .nav-list {
                display: flex !important;
            }
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            padding: 4rem 0;
            background: linear-gradient(170deg, #eef5f0 0%, #d9e8dc 30%, #f3f2ee 70%, #fafaf8 100%);
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center 40%;
            opacity: 0.12;
            pointer-events: none;
        }

        .page-banner-content {
            position: relative;
            z-index: 1;
            max-width: 760px;
        }

        .page-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }

        .page-banner .breadcrumb a {
            color: var(--color-brand);
            font-weight: 500;
            transition: color var(--transition-fast);
        }

        .page-banner .breadcrumb a:hover {
            color: var(--color-brand-dark);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .page-banner .breadcrumb .separator {
            color: var(--color-border);
            font-size: 0.7rem;
        }

        .page-banner h1 {
            font-family: 'Playfair Display', 'Noto Serif SC', serif;
            font-size: 2.8rem;
            font-weight: 600;
            color: var(--color-brand-dark);
            letter-spacing: 0.03em;
            line-height: 1.25;
            margin-bottom: 0.8rem;
        }

        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            max-width: 580px;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.35rem 1rem;
            background: rgba(46, 97, 61, 0.08);
            color: var(--color-brand);
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 1rem;
            border: 1px solid rgba(46, 97, 61, 0.15);
        }

        @media (max-width: 767px) {
            .page-banner {
                padding: 2.5rem 0;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.95rem;
            }
        }

        /* Section */
        .section {
            padding: 3.5rem 0;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        .section-header h2 {
            font-family: 'Playfair Display', 'Noto Serif SC', serif;
            font-size: 2rem;
            font-weight: 600;
            color: var(--color-brand-dark);
            letter-spacing: 0.03em;
            margin-bottom: 0.5rem;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 0.5rem;
        }

        .section-header p {
            color: var(--color-text-soft);
            max-width: 600px;
            margin: 0 auto;
            font-size: 0.95rem;
        }

        @media (max-width: 767px) {
            .section {
                padding: 2.5rem 0;
            }
            .section-header h2 {
                font-size: 1.55rem;
            }
        }

        /* Cards */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

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

        .card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .card-image {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            display: block;
        }

        .card-image-wrap {
            position: relative;
            overflow: hidden;
        }

        .card-image-wrap .card-tag {
            position: absolute;
            top: 0.8rem;
            left: 0.8rem;
            background: var(--color-brand);
            color: #fff;
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            z-index: 2;
        }

        .card-body {
            padding: 1.3rem 1.4rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-body h3 {
            font-family: 'Playfair Display', 'Noto Serif SC', serif;
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-brand-dark);
            margin-bottom: 0.5rem;
            line-height: 1.35;
            letter-spacing: 0.02em;
        }

        .card-body p {
            color: var(--color-text-soft);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 1rem;
            flex: 1;
        }

        .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-brand);
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

        .card-body .card-link:hover {
            color: var(--color-brand-dark);
            gap: 0.55rem;
        }

        .card-body .card-link i {
            font-size: 0.75rem;
            transition: transform var(--transition-fast);
        }

        .card-body .card-link:hover i {
            transform: translateX(3px);
        }

        @media (max-width: 1023px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.2rem;
            }
            .card-grid.cols-2 {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 639px) {
            .card-grid,
            .card-grid.cols-2 {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .card-body {
                padding: 1rem 1.1rem;
            }
        }

        /* Data row */
        .data-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }

        .data-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 1.6rem 1.4rem;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .data-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .data-card .data-icon {
            font-size: 1.8rem;
            color: var(--color-accent);
            margin-bottom: 0.6rem;
        }

        .data-card .data-number {
            font-family: 'Playfair Display', 'Noto Serif SC', serif;
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-brand-dark);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .data-card .data-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 0.3rem;
            font-weight: 500;
        }

        @media (max-width: 1023px) {
            .data-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 639px) {
            .data-row {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }
            .data-card {
                padding: 1.2rem 0.8rem;
            }
            .data-card .data-number {
                font-size: 1.7rem;
            }
        }

        /* Feature row */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }

        .feature-row.reverse {
            direction: rtl;
        }

        .feature-row.reverse>* {
            direction: ltr;
        }

        .feature-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4 / 3;
        }

        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .feature-image:hover img {
            transform: scale(1.04);
        }

        .feature-text h2 {
            font-family: 'Playfair Display', 'Noto Serif SC', serif;
            font-size: 1.7rem;
            font-weight: 600;
            color: var(--color-brand-dark);
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
        }

        .feature-text p {
            color: var(--color-text-soft);
            line-height: 1.7;
            margin-bottom: 1rem;
            font-size: 0.95rem;
        }

        .feature-text .feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            margin-bottom: 1.2rem;
        }

        .feature-text .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.55rem;
            font-size: 0.9rem;
            color: var(--color-text-soft);
        }

        .feature-text .feature-list li i {
            color: var(--color-brand);
            font-size: 0.85rem;
            margin-top: 0.2rem;
            flex-shrink: 0;
        }

        @media (max-width: 767px) {
            .feature-row {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .feature-text h2 {
                font-size: 1.4rem;
            }
            .feature-image {
                aspect-ratio: 16 / 10;
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.4rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            text-align: left;
            gap: 1rem;
            transition: all var(--transition-fast);
            background: transparent;
            cursor: pointer;
            letter-spacing: 0.02em;
        }

        .faq-question:hover {
            color: var(--color-brand);
            background: #f9fbfa;
        }

        .faq-question i {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-brand);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 1.4rem;
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.65;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.4rem 1.1rem;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(160deg, var(--color-brand-dark) 0%, var(--color-brand) 40%, #1a3a25 100%);
            color: #fff;
            padding: 4rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-family: 'Playfair Display', 'Noto Serif SC', serif;
            font-size: 2.2rem;
            font-weight: 600;
            margin-bottom: 0.8rem;
            letter-spacing: 0.04em;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.82);
            max-width: 500px;
            margin: 0 auto 1.8rem;
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            background: #fff;
            color: var(--color-brand-dark);
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }

        .cta-btn:hover {
            background: #f0f5f1;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.28);
        }

        .cta-btn:active {
            transform: translateY(0);
        }

        @media (max-width: 767px) {
            .cta-section {
                padding: 2.8rem 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
        }

        /* Timeline */
        .timeline {
            position: relative;
            max-width: 700px;
            margin: 0 auto;
            padding-left: 2rem;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.4rem;
            bottom: 0.4rem;
            width: 2px;
            background: var(--color-border);
            border-radius: 1px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 1.8rem;
            padding-left: 1.5rem;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -2rem;
            top: 0.45rem;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-brand);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--color-brand);
            z-index: 1;
        }

        .timeline-item .tl-year {
            font-weight: 700;
            color: var(--color-brand);
            font-size: 0.85rem;
            letter-spacing: 0.04em;
            margin-bottom: 0.2rem;
        }

        .timeline-item h4 {
            font-weight: 600;
            color: var(--color-text);
            font-size: 1rem;
            margin-bottom: 0.25rem;
        }

        .timeline-item p {
            color: var(--color-text-soft);
            font-size: 0.88rem;
            line-height: 1.55;
        }

        @media (max-width: 639px) {
            .timeline {
                padding-left: 1.5rem;
            }
            .timeline-item {
                padding-left: 1rem;
            }
            .timeline-item::before {
                left: -1.5rem;
                width: 10px;
                height: 10px;
            }
        }

        /* Site Footer */
        .site-footer {
            background: var(--color-brand-dark);
            color: #d7d2c7;
            padding: 3rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-brand {
            font-family: 'Playfair Display', 'Noto Serif SC', serif;
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: 0.6rem;
        }

        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.6;
            color: #bfb8a8;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.05em;
            margin-bottom: 0.8rem;
            text-transform: uppercase;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: #bfb8a8;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.78rem;
            color: #8b8170;
            line-height: 1.5;
        }

        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 639px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }

        /* Utility */
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.4rem;
            border: 2px solid var(--color-brand);
            color: var(--color-brand);
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.88rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
        }

        .btn-outline:hover {
            background: var(--color-brand);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .tag {
            display: inline-block;
            padding: 0.3rem 0.85rem;
            background: var(--color-bg-alt);
            color: var(--color-text-soft);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }

        .tag:hover {
            border-color: var(--color-brand);
            color: var(--color-brand);
            background: #eef5f0;
        }