/* roulang page: index */
:root {
            --brand-dark: #1a1a1c;
            --brand-primary: #2c2c30;
            --brand-accent: #c8a45c;
            --brand-accent-hover: #d4b368;
            --brand-bg: #f7f5f0;
            --brand-white: #ffffff;
            --brand-card-bg: #fdfdfc;
            --brand-text: #1e1e20;
            --brand-text-soft: #5c5c60;
            --brand-text-muted: #8a8a8c;
            --brand-border: #e5e2da;
            --brand-border-light: #f0ede6;
            --brand-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --brand-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --brand-shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.09);
            --brand-shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12);
            --brand-radius-sm: 6px;
            --brand-radius: 10px;
            --brand-radius-lg: 16px;
            --brand-radius-xl: 20px;
            --sidebar-width: 260px;
            --sidebar-collapsed: 72px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
            --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', 'Songti SC', serif;
            --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 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;
        }

        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.7;
            color: var(--brand-text);
            background-color: var(--brand-bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 600;
            line-height: 1.25;
            color: var(--brand-dark);
            letter-spacing: -0.01em;
        }
        h1 {
            font-size: clamp(2.2rem, 4vw, 3.4rem);
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: clamp(1.6rem, 2.6vw, 2.2rem);
        }
        h3 {
            font-size: clamp(1.2rem, 1.8vw, 1.5rem);
        }
        p {
            color: var(--brand-text-soft);
            margin-bottom: 0.6rem;
        }

        /* ========== SIDEBAR / APP SHELL ========== */
        .app-shell {
            display: flex;
            min-height: 100vh;
        }
        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--brand-dark);
            color: #e0e0e0;
            z-index: 1040;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition-slow), width var(--transition-base);
            box-shadow: 2px 0 30px rgba(0, 0, 0, 0.18);
            border-right: 1px solid rgba(255, 255, 255, 0.06);
        }
        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-brand .brand-logo {
            font-family: var(--font-heading);
            font-size: 1.45rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-brand .brand-logo .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--brand-accent);
            flex-shrink: 0;
        }
        .sidebar-nav {
            flex: 1;
            overflow-y: auto;
            padding: 16px 0;
        }
        .sidebar-nav .nav-label {
            padding: 8px 24px 6px;
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: rgba(255, 255, 255, 0.35);
            font-weight: 600;
        }
        .sidebar-nav .nav-link-custom {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 24px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.93rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
            letter-spacing: 0.02em;
            border-radius: 0;
        }
        .sidebar-nav .nav-link-custom:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.04);
            border-left-color: rgba(200, 164, 92, 0.5);
        }
        .sidebar-nav .nav-link-custom.active {
            color: #ffffff;
            background: rgba(200, 164, 92, 0.1);
            border-left-color: var(--brand-accent);
            font-weight: 600;
        }
        .sidebar-nav .nav-link-custom .nav-icon {
            width: 20px;
            text-align: center;
            flex-shrink: 0;
            font-size: 0.85rem;
            opacity: 0.7;
        }
        .sidebar-cta {
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-cta .btn-sidebar {
            display: block;
            width: 100%;
            padding: 11px 18px;
            background: var(--brand-accent);
            color: #1a1a1c;
            border: none;
            border-radius: var(--brand-radius);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: center;
        }
        .sidebar-cta .btn-sidebar:hover {
            background: var(--brand-accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(200, 164, 92, 0.3);
        }

        /* ========== MAIN CONTENT AREA ========== */
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin-left var(--transition-base);
        }

        /* ========== MOBILE TOP BAR ========== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: var(--brand-dark);
            z-index: 1050;
            align-items: center;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .mobile-topbar .mobile-logo {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
        }
        .mobile-topbar .menu-toggle {
            background: none;
            border: none;
            color: #fff;
            font-size: 1.4rem;
            cursor: pointer;
            padding: 8px;
            margin-right: 8px;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }
        .mobile-topbar .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 1035;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .sidebar-overlay.show {
            opacity: 1;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--brand-dark);
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.55;
            z-index: 1;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(26, 26, 28, 0.82) 0%, rgba(26, 26, 28, 0.45) 50%, rgba(26, 26, 28, 0.7) 100%);
            z-index: 2;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            padding: 60px 40px;
            max-width: 700px;
        }
        .hero-content .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(200, 164, 92, 0.2);
            border: 1px solid rgba(200, 164, 92, 0.4);
            color: var(--brand-accent);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            border-radius: 30px;
            margin-bottom: 20px;
        }
        .hero-content h1 {
            color: #ffffff;
            font-size: clamp(2.4rem, 4.5vw, 3.8rem);
            margin-bottom: 18px;
            line-height: 1.15;
        }
        .hero-content .hero-desc {
            color: rgba(255, 255, 255, 0.78);
            font-size: 1.1rem;
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-content .btn-hero {
            display: inline-block;
            padding: 14px 32px;
            background: var(--brand-accent);
            color: #1a1a1c;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.04em;
            border-radius: 40px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .hero-content .btn-hero:hover {
            background: var(--brand-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(200, 164, 92, 0.35);
            color: #1a1a1c;
        }
        .hero-content .btn-hero-outline {
            display: inline-block;
            padding: 14px 32px;
            background: transparent;
            color: #ffffff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.04em;
            border-radius: 40px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all var(--transition-fast);
            margin-left: 12px;
        }
        .hero-content .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* ========== SECTIONS ========== */
        .section-block {
            padding: 70px 0;
        }
        .section-block.section-alt {
            background: var(--brand-white);
        }
        .section-block.section-dark {
            background: var(--brand-dark);
            color: #e0e0e0;
        }
        .section-block.section-dark h2,
        .section-block.section-dark h3 {
            color: #ffffff;
        }
        .section-block.section-dark p {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-header {
            margin-bottom: 44px;
        }
        .section-header .section-tag {
            display: inline-block;
            padding: 5px 14px;
            background: rgba(200, 164, 92, 0.12);
            color: var(--brand-accent);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.09em;
            text-transform: uppercase;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-header h2 {
            margin-bottom: 8px;
        }
        .section-header .section-subtitle {
            color: var(--brand-text-muted);
            font-size: 0.95rem;
            max-width: 560px;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.55);
        }

        /* ========== CARDS ========== */
        .brand-card {
            background: var(--brand-card-bg);
            border-radius: var(--brand-radius-lg);
            overflow: hidden;
            box-shadow: var(--brand-shadow-md);
            transition: all var(--transition-base);
            border: 1px solid var(--brand-border-light);
            height: 100%;
            cursor: pointer;
        }
        .brand-card:hover {
            box-shadow: var(--brand-shadow-lg);
            transform: translateY(-4px);
            border-color: var(--brand-border);
        }
        .brand-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background: #eae7df;
        }
        .brand-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .brand-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .brand-card .card-body-custom {
            padding: 20px 22px;
        }
        .brand-card .card-tag {
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--brand-accent);
            margin-bottom: 6px;
        }
        .brand-card h4 {
            font-size: 1.05rem;
            margin-bottom: 6px;
            font-family: var(--font-heading);
        }
        .brand-card p {
            font-size: 0.85rem;
            color: var(--brand-text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== DATA BOARD ========== */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-card {
            background: var(--brand-white);
            border-radius: var(--brand-radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--brand-shadow-sm);
            border: 1px solid var(--brand-border-light);
            transition: all var(--transition-fast);
        }
        .data-card:hover {
            box-shadow: var(--brand-shadow-md);
            transform: translateY(-2px);
        }
        .data-card .data-value {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--brand-dark);
            letter-spacing: -0.02em;
        }
        .data-card .data-value .data-accent {
            color: var(--brand-accent);
        }
        .data-card .data-label {
            font-size: 0.82rem;
            color: var(--brand-text-muted);
            margin-top: 4px;
            letter-spacing: 0.03em;
        }
        .section-dark .data-card {
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(255, 255, 255, 0.08);
        }
        .section-dark .data-card .data-value {
            color: #fff;
        }
        .section-dark .data-card .data-label {
            color: rgba(255, 255, 255, 0.5);
        }

        /* ========== NEWS / ARTICLE CARDS ========== */
        .news-card {
            display: flex;
            gap: 18px;
            background: var(--brand-card-bg);
            border-radius: var(--brand-radius);
            padding: 16px;
            box-shadow: var(--brand-shadow-sm);
            border: 1px solid var(--brand-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
            align-items: flex-start;
        }
        .news-card:hover {
            box-shadow: var(--brand-shadow-md);
            transform: translateX(3px);
            border-color: var(--brand-border);
        }
        .news-card .news-thumb {
            width: 100px;
            height: 80px;
            border-radius: var(--brand-radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: #eae7df;
        }
        .news-card .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-card .news-info h5 {
            font-size: 0.95rem;
            margin-bottom: 4px;
            font-family: var(--font-body);
            font-weight: 600;
        }
        .news-card .news-info .news-meta {
            font-size: 0.75rem;
            color: var(--brand-text-muted);
            letter-spacing: 0.03em;
        }
        .news-card .news-info p {
            font-size: 0.8rem;
            color: var(--brand-text-soft);
            margin: 4px 0 0;
            line-height: 1.4;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--brand-border-light);
            border-radius: var(--brand-radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--brand-white);
            box-shadow: var(--brand-shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--brand-dark);
            background: var(--brand-white);
            padding: 16px 20px;
            box-shadow: none !important;
            border-radius: var(--brand-radius) !important;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--brand-accent);
            background: #fdfcf8;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--brand-accent);
        }
        .faq-accordion .accordion-body {
            padding: 8px 20px 18px;
            color: var(--brand-text-soft);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .faq-accordion .accordion-button::after {
            background-size: 14px;
            transition: transform var(--transition-fast);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(150deg, #1e1e22 0%, #2a2a2e 100%);
            border-radius: var(--brand-radius-xl);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin: 0 20px;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.14;
            z-index: 0;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            color: #fff;
            font-size: clamp(1.6rem, 2.8vw, 2.3rem);
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-cta {
            display: inline-block;
            padding: 14px 36px;
            background: var(--brand-accent);
            color: #1a1a1c;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.05em;
            border-radius: 40px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .cta-section .btn-cta:hover {
            background: var(--brand-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(200, 164, 92, 0.4);
            color: #1a1a1c;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.6);
            padding: 48px 0 28px;
            font-size: 0.85rem;
            letter-spacing: 0.03em;
        }
        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.05em;
            margin-bottom: 8px;
        }
        .site-footer a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .site-footer a:hover {
            color: var(--brand-accent);
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin: 8px 0;
        }
        .site-footer .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin: 20px 0;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .section-block {
                padding: 50px 0;
            }
            .hero-content {
                padding: 50px 28px;
                max-width: 600px;
            }
            .hero-content h1 {
                font-size: clamp(2rem, 3.5vw, 2.8rem);
            }
            .cta-section {
                margin: 0 12px;
                padding: 40px 28px;
                border-radius: var(--brand-radius-lg);
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                width: 280px;
                z-index: 1045;
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay {
                display: block;
                pointer-events: none;
            }
            .sidebar-overlay.show {
                pointer-events: auto;
            }
            .main-content {
                margin-left: 0 !important;
            }
            .mobile-topbar {
                display: flex;
            }
            .main-content {
                padding-top: 56px;
            }
            .hero-section {
                min-height: 70vh;
            }
            .hero-content {
                padding: 40px 18px;
            }
            .hero-content .btn-hero-outline {
                margin-left: 0;
                margin-top: 10px;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .data-card {
                padding: 20px 14px;
            }
            .data-card .data-value {
                font-size: 1.6rem;
            }
            .news-card {
                flex-direction: column;
                gap: 10px;
            }
            .news-card .news-thumb {
                width: 100%;
                height: 140px;
            }
            .section-block {
                padding: 40px 0;
            }
            .cta-section {
                margin: 0 8px;
                padding: 32px 18px;
                border-radius: var(--brand-radius);
            }
            .site-footer {
                text-align: center;
            }
            .site-footer .footer-links {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .data-card .data-value {
                font-size: 1.3rem;
            }
            .data-card .data-label {
                font-size: 0.7rem;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content .hero-desc {
                font-size: 0.9rem;
            }
            .hero-content .btn-hero,
            .hero-content .btn-hero-outline {
                display: block;
                width: 100%;
                text-align: center;
                margin-left: 0;
                margin-bottom: 8px;
            }
            .brand-card .card-body-custom {
                padding: 14px 16px;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1a1d28;
            --color-accent: #c8a06e;
            --color-accent-light: #e0c89e;
            --color-accent-deep: #a07840;
            --color-bg: #f8f6f2;
            --color-surface: #ffffff;
            --color-surface-alt: #f0ece6;
            --color-text: #1e1e1e;
            --color-text-soft: #5c5c5c;
            --color-text-muted: #8a8a8a;
            --color-border: #e5e0d8;
            --color-border-light: #f0ece6;
            --color-dark-bg: #1a1d28;
            --color-dark-surface: #22252f;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.14);
            --sidebar-width: 250px;
            --sidebar-collapsed: 0px;
            --transition-fast: 180ms ease;
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Georgia', 'Times New Roman', 'Noto Serif SC', 'STSong', serif;
            --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, 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;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            letter-spacing: 0.01em;
        }

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

        /* ========== APP SHELL LAYOUT ========== */
        .app-shell {
            display: flex;
            min-height: 100vh;
            position: relative;
        }

        /* SIDEBAR */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--color-dark-bg);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            transition: transform var(--transition-smooth);
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: var(--shadow-xl);
        }

        .sidebar-header {
            padding: 24px 20px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-logo {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-logo .logo-mark {
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1a1d28;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .sidebar-subtitle {
            font-size: 0.68rem;
            color: rgba(255, 255, 255, 0.4);
            margin-top: 4px;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }
        .sidebar-nav {
            flex: 1;
            padding: 16px 14px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .nav-label {
            font-size: 0.65rem;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: rgba(255, 255, 255, 0.3);
            padding: 8px 12px 6px;
            margin-bottom: 2px;
        }
        .nav-link-custom {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .nav-link-custom:hover {
            background: rgba(255, 255, 255, 0.05);
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
        }
        .nav-link-custom.active {
            background: rgba(200, 160, 110, 0.15);
            color: var(--color-accent-light);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-accent);
        }
        .nav-link-custom .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.82rem;
            flex-shrink: 0;
        }
        .sidebar-footer {
            padding: 14px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-footer-text {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 0.03em;
        }

        /* MAIN CONTENT */
        .app-main {
            flex: 1;
            margin-left: var(--sidebar-width);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            transition: margin-left var(--transition-smooth);
        }

        /* MOBILE TOP BAR */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: var(--color-dark-bg);
            z-index: 1035;
            align-items: center;
            padding: 0 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .mobile-logo {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
        }
        .menu-toggle-btn {
            margin-left: auto;
            color: #fff;
            font-size: 1.3rem;
            padding: 6px 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .menu-toggle-btn:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* SIDEBAR OVERLAY */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 1035;
            transition: opacity var(--transition-smooth);
        }
        .sidebar-overlay.show {
            display: block;
        }

        /* ========== CONTENT STYLES ========== */
        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
            width: 100%;
        }

        /* PAGE BANNER */
        .page-banner {
            position: relative;
            padding: 60px 0 50px;
            background: var(--color-dark-bg);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 40%;
            opacity: 0.28;
            pointer-events: none;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 29, 40, 0.7) 0%, rgba(26, 29, 40, 0.92) 100%);
            pointer-events: none;
        }
        .page-banner-content {
            position: relative;
            z-index: 2;
            color: #fff;
        }
        .breadcrumb-custom {
            display: flex;
            gap: 6px;
            align-items: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.65);
        }
        .breadcrumb-custom a:hover {
            color: var(--color-accent-light);
        }
        .breadcrumb-custom .sep {
            color: rgba(255, 255, 255, 0.3);
            font-size: 0.65rem;
        }
        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
            color: #fff;
            line-height: 1.25;
        }
        .page-banner .banner-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 620px;
            line-height: 1.6;
        }

        /* SECTION */
        .section {
            padding: 56px 0;
        }
        .section-alt {
            background: var(--color-surface-alt);
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-label {
            font-size: 0.72rem;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--color-accent-deep);
            margin-bottom: 6px;
            font-weight: 600;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.02em;
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .section-desc {
            color: var(--color-text-soft);
            font-size: 0.95rem;
            max-width: 600px;
            line-height: 1.6;
        }

        /* BRAND CARD */
        .brand-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--color-border-light);
        }
        .brand-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }
        .brand-card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--color-surface-alt);
        }
        .brand-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .brand-card:hover .brand-card-img-wrap img {
            transform: scale(1.06);
        }
        .brand-card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(26, 29, 40, 0.8);
            color: var(--color-accent-light);
            font-size: 0.7rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            backdrop-filter: blur(4px);
        }
        .brand-card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .brand-card-body h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
            letter-spacing: 0.02em;
        }
        .brand-card-body .brand-card-sub {
            font-size: 0.78rem;
            color: var(--color-accent-deep);
            font-weight: 500;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .brand-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }
        .brand-card-meta {
            display: flex;
            gap: 16px;
            font-size: 0.75rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .brand-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .brand-card-meta i {
            font-size: 0.7rem;
            color: var(--color-accent);
        }

        /* BRAND PILLS */
        .brand-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .brand-pill {
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.84rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            border: 1px solid var(--color-border);
            background: var(--color-surface);
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .brand-pill:hover,
        .brand-pill.active {
            background: var(--color-dark-bg);
            color: #fff;
            border-color: var(--color-dark-bg);
        }

        /* HIGHLIGHT BOX */
        .highlight-box {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-smooth);
        }
        .highlight-box:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }
        .highlight-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: rgba(200, 160, 110, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent-deep);
            font-size: 1.15rem;
            margin-bottom: 14px;
        }
        .highlight-box h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .highlight-box p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            line-height: 1.55;
        }

        /* STAT CARD */
        .stat-card {
            background: var(--color-dark-bg);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            color: #fff;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-2px);
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-accent-light);
            letter-spacing: 0.02em;
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
            letter-spacing: 0.03em;
        }

        /* CTA SECTION */
        .cta-section {
            background: var(--color-dark-bg);
            border-radius: var(--radius-xl);
            padding: 44px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(200, 160, 110, 0.08);
            pointer-events: none;
        }
        .cta-section h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 20px;
            max-width: 500px;
            position: relative;
            z-index: 1;
        }

        /* BUTTONS */
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            background: var(--color-accent);
            color: #1a1d28;
            border: none;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
            position: relative;
            z-index: 1;
        }
        .btn-accent:hover {
            background: var(--color-accent-light);
            color: #1a1d28;
            box-shadow: 0 8px 24px rgba(200, 160, 110, 0.35);
            transform: translateY(-1px);
            text-decoration: none;
        }
        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 28px;
            font-weight: 500;
            font-size: 0.88rem;
            letter-spacing: 0.02em;
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
            position: relative;
            z-index: 1;
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.65);
            color: #fff;
            text-decoration: none;
        }
        .btn-sm-accent {
            padding: 7px 16px;
            font-size: 0.78rem;
            border-radius: 20px;
            background: var(--color-accent);
            color: #1a1d28;
            font-weight: 600;
            border: none;
            cursor: pointer;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .btn-sm-accent:hover {
            background: var(--color-accent-light);
            box-shadow: 0 4px 14px rgba(200, 160, 110, 0.3);
            color: #1a1d28;
        }

        /* TAB */
        .tab-nav-custom {
            display: flex;
            gap: 4px;
            background: var(--color-surface-alt);
            border-radius: 28px;
            padding: 5px;
            flex-wrap: wrap;
        }
        .tab-btn-custom {
            padding: 9px 20px;
            border-radius: 24px;
            font-size: 0.84rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            border: none;
            background: transparent;
            cursor: pointer;
            white-space: nowrap;
        }
        .tab-btn-custom.active,
        .tab-btn-custom:hover {
            background: #fff;
            color: var(--color-text);
            box-shadow: var(--shadow-sm);
            font-weight: 600;
        }

        /* FOOTER */
        .site-footer {
            background: var(--color-dark-bg);
            color: #fff;
            padding: 44px 0 28px;
            margin-top: auto;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.8rem;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-accent-light);
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin: 22px 0 18px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --sidebar-width: 220px;
            }
            .page-banner h1 {
                font-size: 2.1rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .content-container {
                padding: 0 20px;
            }
            .cta-section {
                padding: 32px 28px;
            }
            .cta-section h3 {
                font-size: 1.35rem;
            }
            .brand-card-body {
                padding: 16px 18px 18px;
            }
            .brand-card-body h3 {
                font-size: 1.05rem;
            }
            .stat-number {
                font-size: 1.9rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --sidebar-width: 0px;
            }
            .app-sidebar {
                transform: translateX(-100%);
                width: 260px;
            }
            .app-sidebar.mobile-open {
                transform: translateX(0);
                width: 260px;
            }
            .sidebar-overlay.show {
                display: block;
            }
            .app-main {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .app-main {
                padding-top: 56px;
            }
            .page-banner {
                padding: 40px 0 34px;
                min-height: 200px;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.9rem;
            }
            .section {
                padding: 32px 0;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .content-container {
                padding: 0 16px;
            }
            .brand-card-img-wrap {
                aspect-ratio: 16 / 9;
            }
            .cta-section {
                padding: 26px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 1.2rem;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .highlight-box {
                padding: 20px 18px;
            }
            .breadcrumb-custom {
                font-size: 0.7rem;
            }
            .tab-nav-custom {
                gap: 2px;
                border-radius: 22px;
                padding: 4px;
            }
            .tab-btn-custom {
                padding: 7px 14px;
                font-size: 0.76rem;
            }
            .brand-pill {
                padding: 6px 14px;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .brand-card-body h3 {
                font-size: 0.95rem;
            }
            .stat-card {
                padding: 18px 14px;
            }
            .stat-number {
                font-size: 1.4rem;
            }
            .cta-section {
                padding: 20px 16px;
            }
            .btn-accent,
            .btn-outline-light-custom {
                padding: 9px 18px;
                font-size: 0.82rem;
            }
            .content-container {
                padding: 0 12px;
            }
            .brand-pills {
                gap: 6px;
            }
            .brand-pill {
                padding: 5px 12px;
                font-size: 0.74rem;
                border-radius: 18px;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1c1c1e;
            --color-accent: #b8944e;
            --color-accent-light: #d4b978;
            --color-accent-dark: #8a6d3b;
            --color-bg: #fafaf9;
            --color-surface: #ffffff;
            --color-text: #2c2c2c;
            --color-text-soft: #6b6b6b;
            --color-text-muted: #9a9a9a;
            --color-border: #e8e4df;
            --color-border-light: #f0ece7;
            --color-sidebar-bg: #1a1a1d;
            --color-sidebar-text: #c4c4c6;
            --color-sidebar-active: #b8944e;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.13);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.15);
            --sidebar-width: 250px;
            --header-mobile-height: 56px;
            --font-serif: 'Georgia', 'Noto Serif SC', 'STSong', 'SimSun', serif;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 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;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
        }

        .app-layout {
            display: flex;
            min-height: 100vh;
            position: relative;
        }

        /* 侧边栏 */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-sidebar-bg);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            transition: transform var(--transition-smooth);
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.12) transparent;
        }
        .sidebar::-webkit-scrollbar {
            width: 3px;
        }
        .sidebar::-webkit-scrollbar-track {
            background: transparent;
        }
        .sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.12);
            border-radius: 3px;
        }

        .sidebar-brand {
            padding: 26px 22px 20px;
            flex-shrink: 0;
        }
        .sidebar-logo {
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 9px;
            line-height: 1.2;
        }
        .sidebar-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: #1a1a1d;
            flex-shrink: 0;
            font-weight: 700;
        }
        .sidebar-subtitle {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.35);
            margin-top: 3px;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        .sidebar-nav {
            padding: 8px 14px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .nav-label {
            font-size: 0.65rem;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: rgba(255, 255, 255, 0.28);
            padding: 6px 10px 8px;
            margin-top: 4px;
        }
        .nav-link-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: var(--radius-md);
            font-size: 0.88rem;
            color: var(--color-sidebar-text);
            transition: all var(--transition-fast);
            position: relative;
            font-weight: 450;
            letter-spacing: 0.01em;
        }
        .nav-link-custom:hover {
            background: rgba(255, 255, 255, 0.05);
            color: #ffffff;
        }
        .nav-link-custom.active {
            background: rgba(184, 148, 78, 0.16);
            color: var(--color-accent-light);
            font-weight: 600;
        }
        .nav-link-custom.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 12px;
            bottom: 12px;
            width: 3px;
            border-radius: 0 2px 2px 0;
            background: var(--color-accent);
        }
        .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.82rem;
            opacity: 0.8;
            flex-shrink: 0;
        }
        .nav-link-custom.active .nav-icon {
            opacity: 1;
            color: var(--color-accent-light);
        }

        .sidebar-footer-info {
            padding: 16px 18px;
            flex-shrink: 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.25);
            letter-spacing: 0.03em;
            line-height: 1.5;
        }

        /* 主内容区 */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            transition: margin-left var(--transition-smooth);
        }

        /* 移动端顶部栏 */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-mobile-height);
            background: var(--color-sidebar-bg);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .mobile-topbar .mobile-logo {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
        }
        .mobile-menu-toggle {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-size: 1.25rem;
            transition: background var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* 移动端侧边栏遮罩 */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition-smooth);
            pointer-events: none;
        }
        .sidebar-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        /* 页面Banner */
        .page-banner {
            position: relative;
            background: var(--color-sidebar-bg);
            min-height: 320px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-banner .banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center 40%;
            opacity: 0.35;
            filter: brightness(0.7) saturate(0.8);
        }
        .page-banner .banner-gradient {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 29, 0.85) 0%, rgba(26, 26, 29, 0.45) 60%, rgba(26, 26, 29, 0.75) 100%);
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: 70px 40px 60px;
            max-width: 800px;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(184, 148, 78, 0.2);
            color: var(--color-accent-light);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            text-transform: uppercase;
            border: 1px solid rgba(184, 148, 78, 0.3);
        }
        .page-banner h1 {
            font-family: var(--font-serif);
            font-size: 2.8rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .page-banner .banner-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.65;
            max-width: 560px;
        }
        .page-banner .banner-accent-line {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 18px;
        }

        /* 板块通用 */
        .section-block {
            padding: 56px 32px;
        }
        .section-block-alt {
            background: #f5f4f1;
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header h2 {
            font-family: var(--font-serif);
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            margin-bottom: 6px;
        }
        .section-header .section-subtitle {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            letter-spacing: 0.03em;
        }
        .section-header .accent-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            margin-right: 8px;
            vertical-align: middle;
            position: relative;
            top: -1px;
        }

        /* 理念区 */
        .philosophy-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .philosophy-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
        }
        .philosophy-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .philosophy-image-wrap:hover img {
            transform: scale(1.04);
        }
        .philosophy-text h3 {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .philosophy-text p {
            color: var(--color-text-soft);
            line-height: 1.75;
            font-size: 0.95rem;
            margin-bottom: 10px;
        }
        .philosophy-features {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 16px;
        }
        .feature-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 7px 15px;
            font-size: 0.82rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }
        .feature-tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
            box-shadow: var(--shadow-xs);
        }
        .feature-tag i {
            color: var(--color-accent);
            font-size: 0.7rem;
        }

        /* 领域卡片网格 */
        .domain-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .domain-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .domain-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .domain-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }
        .domain-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .domain-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .domain-card .card-img-overlay-icon {
            position: absolute;
            top: 12px;
            right: 12px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.9);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: var(--color-accent-dark);
            backdrop-filter: blur(4px);
            box-shadow: var(--shadow-xs);
        }
        .domain-card .card-body-custom {
            padding: 18px 16px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .domain-card .card-body-custom h4 {
            font-size: 1.05rem;
            font-weight: 650;
            color: var(--color-primary);
            margin-bottom: 6px;
            letter-spacing: 0.01em;
        }
        .domain-card .card-body-custom p {
            font-size: 0.84rem;
            color: var(--color-text-soft);
            line-height: 1.55;
            margin-bottom: 12px;
            flex: 1;
        }
        .domain-card .card-link-hint {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .domain-card:hover .card-link-hint {
            gap: 8px;
        }

        /* 精选列表 */
        .featured-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .featured-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 18px 20px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .featured-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-border);
        }
        .featured-item .fi-thumb {
            width: 90px;
            height: 70px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }
        .featured-item .fi-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .featured-item .fi-info {
            flex: 1;
            min-width: 0;
        }
        .featured-item .fi-info h5 {
            font-size: 0.95rem;
            font-weight: 650;
            color: var(--color-primary);
            margin-bottom: 4px;
            letter-spacing: 0.01em;
            line-height: 1.35;
        }
        .featured-item .fi-info .fi-meta {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .featured-item .fi-arrow {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #f8f7f5;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            align-self: center;
        }
        .featured-item:hover .fi-arrow {
            background: var(--color-accent);
            color: #ffffff;
        }

        /* 数据亮点 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .stat-card .stat-number {
            font-family: var(--font-serif);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-accent-dark);
            letter-spacing: 0.02em;
            line-height: 1.1;
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }
        .stat-card .stat-icon {
            font-size: 1.4rem;
            color: var(--color-accent);
            margin-bottom: 8px;
            opacity: 0.7;
        }

        /* FAQ */
        .faq-wrap .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 8px;
            overflow: hidden;
            background: #ffffff;
        }
        .faq-wrap .accordion-button {
            font-weight: 600;
            font-size: 0.93rem;
            color: var(--color-primary);
            background: #ffffff;
            box-shadow: none;
            padding: 16px 20px;
            letter-spacing: 0.01em;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }
        .faq-wrap .accordion-button:not(.collapsed) {
            background: #fdfcf9;
            color: var(--color-accent-dark);
            box-shadow: none;
        }
        .faq-wrap .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(184, 148, 78, 0.15);
            border-color: var(--color-accent);
        }
        .faq-wrap .accordion-button::after {
            filter: brightness(0.6);
            transition: transform var(--transition-fast);
        }
        .faq-wrap .accordion-body {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            padding: 4px 20px 18px;
        }

        /* CTA */
        .cta-section {
            background: var(--color-sidebar-bg);
            padding: 50px 32px;
            text-align: center;
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(184, 148, 78, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            color: #ffffff;
            font-weight: 700;
            letter-spacing: 0.03em;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.95rem;
            position: relative;
            z-index: 1;
            margin-bottom: 22px;
        }
        .btn-cta-premium {
            display: inline-block;
            background: var(--color-accent);
            color: #1a1a1d;
            font-weight: 650;
            font-size: 0.9rem;
            letter-spacing: 0.04em;
            padding: 12px 28px;
            border-radius: 25px;
            transition: all var(--transition-bounce);
            position: relative;
            z-index: 1;
            text-transform: uppercase;
        }
        .btn-cta-premium:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(184, 148, 78, 0.35);
            color: #1a1a1d;
        }
        .btn-cta-premium:active {
            transform: scale(0.96);
        }

        /* 页脚 */
        .site-footer {
            background: #141416;
            color: #ffffff;
            padding: 40px 32px 24px;
            font-size: 0.85rem;
            flex-shrink: 0;
            margin-top: 0;
        }
        .site-footer .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0;
        }
        .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: #ffffff;
            margin-bottom: 8px;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8rem;
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .footer-links a:hover {
            color: var(--color-accent-light);
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin: 20px 0;
        }

        /* 响应式 */
        @media (max-width: 1199px) {
            .domain-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .philosophy-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 991px) {
            .sidebar {
                transform: translateX(-100%);
                box-shadow: var(--shadow-xl);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay {
                display: block;
            }
            .mobile-topbar {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: var(--header-mobile-height);
            }
            .page-banner .banner-content {
                padding: 50px 24px 44px;
            }
            .page-banner h1 {
                font-size: 1.9rem;
            }
            .section-block {
                padding: 40px 20px;
            }
            .section-block-alt {
                padding: 40px 20px;
            }
            .cta-section {
                padding: 40px 20px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .site-footer {
                padding: 32px 20px 20px;
            }
            .domain-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .featured-item {
                flex-wrap: wrap;
            }
            .featured-item .fi-thumb {
                width: 100%;
                height: 140px;
            }
        }
        @media (max-width: 640px) {
            .domain-cards-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .page-banner {
                min-height: 240px;
            }
            .page-banner h1 {
                font-size: 1.55rem;
            }
            .page-banner .banner-desc {
                font-size: 0.9rem;
            }
            .page-banner .banner-content {
                padding: 36px 16px 32px;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .philosophy-text h3 {
                font-size: 1.25rem;
            }
            .featured-item .fi-thumb {
                height: 100px;
            }
            .footer-links {
                gap: 10px;
            }
        }
        @media (max-width: 480px) {
            .stats-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .page-banner h1 {
                font-size: 1.35rem;
            }
            .banner-badge {
                font-size: 0.7rem;
                padding: 5px 12px;
            }
        }

/* roulang page: category5 */
:root {
            --color-bg: #0b0b0d;
            --color-surface: #141418;
            --color-surface-hover: #1a1a20;
            --color-sidebar: #0d0d11;
            --color-accent: #c8a45c;
            --color-accent-light: #d9bc7a;
            --color-accent-soft: rgba(200, 164, 92, 0.12);
            --color-accent-glow: rgba(200, 164, 92, 0.25);
            --color-text: #e8e6e1;
            --color-text-strong: #f5f3ef;
            --color-text-muted: #969390;
            --color-text-weak: #6b6763;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-light: rgba(255, 255, 255, 0.14);
            --color-green-tag: #5c8a6e;
            --color-green-tag-bg: rgba(92, 138, 110, 0.14);
            --color-card-bg: #15151a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
            --shadow-accent: 0 4px 20px rgba(200, 164, 92, 0.15);
            --sidebar-width: 260px;
            --mobile-nav-height: 58px;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --font-display: 'Georgia', 'Noto Serif SC', 'STSong', 'Songti SC', 'Times New Roman', serif;
        }

        *,
        *::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: var(--font-body);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.015em;
        }

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

        /* ==================== APP SHELL LAYOUT ==================== */
        .app-wrapper {
            display: flex;
            min-height: 100vh;
        }

        /* Sidebar - Desktop */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-sidebar);
            border-right: 1px solid var(--color-border);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 28px 20px 20px;
            overflow-y: auto;
            transition: transform var(--transition-smooth);
        }

        .sidebar-logo {
            font-family: var(--font-display);
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--color-text-strong);
            letter-spacing: 0.06em;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 9px;
        }

        .sidebar-logo .logo-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-block;
            flex-shrink: 0;
            box-shadow: 0 0 10px var(--color-accent-glow);
        }

        .sidebar-tagline {
            font-size: 0.7rem;
            color: var(--color-text-weak);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 28px;
            padding-left: 18px;
        }

        .nav-label {
            font-size: 0.68rem;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--color-text-weak);
            margin-bottom: 10px;
            padding-left: 8px;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 3px;
            flex: 1;
        }

        .nav-link-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
            position: relative;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .nav-link-custom .nav-icon {
            width: 22px;
            text-align: center;
            font-size: 0.85rem;
            opacity: 0.7;
            transition: opacity var(--transition-fast);
        }

        .nav-link-custom:hover {
            background: var(--color-surface-hover);
            color: var(--color-text-strong);
        }

        .nav-link-custom:hover .nav-icon {
            opacity: 1;
        }

        .nav-link-custom.active {
            background: var(--color-accent-soft);
            color: var(--color-accent);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-accent);
        }

        .nav-link-custom.active .nav-icon {
            opacity: 1;
            color: var(--color-accent);
        }

        .sidebar-footer-note {
            font-size: 0.68rem;
            color: var(--color-text-weak);
            text-align: center;
            padding-top: 16px;
            border-top: 1px solid var(--color-border);
            margin-top: auto;
            letter-spacing: 0.04em;
        }

        /* Main Content Area */
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* Mobile Top Nav */
        .mobile-top-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--mobile-nav-height);
            background: var(--color-sidebar);
            border-bottom: 1px solid var(--color-border);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }

        .mobile-logo {
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text-strong);
            letter-spacing: 0.05em;
            display: flex;
            align-items: center;
            gap: 7px;
        }

        .mobile-logo .logo-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-block;
            box-shadow: 0 0 8px var(--color-accent-glow);
        }

        .btn-hamburger {
            background: none;
            border: 1px solid var(--color-border-light);
            color: var(--color-text);
            font-size: 1.25rem;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }

        .btn-hamburger:hover {
            background: var(--color-surface-hover);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* Offcanvas Custom */
        .offcanvas-custom {
            background: var(--color-sidebar) !important;
            border-right: 1px solid var(--color-border) !important;
            width: 280px !important;
        }

        .offcanvas-custom .offcanvas-header {
            border-bottom: 1px solid var(--color-border);
            padding: 18px 20px;
        }

        .offcanvas-custom .offcanvas-title {
            font-family: var(--font-display);
            font-weight: 700;
            color: var(--color-text-strong);
            letter-spacing: 0.05em;
        }

        .offcanvas-custom .btn-close {
            filter: invert(0.7);
            opacity: 0.8;
        }

        .offcanvas-custom .btn-close:hover {
            opacity: 1;
            filter: invert(0.9);
        }

        .offcanvas-custom .offcanvas-body {
            padding: 16px 12px;
            display: flex;
            flex-direction: column;
            gap: 3px;
        }

        .offcanvas-custom .nav-link-custom {
            padding: 11px 14px;
            font-size: 0.92rem;
        }

        /* ==================== PAGE BANNER ==================== */
        .page-banner {
            position: relative;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 40%;
            min-height: 380px;
            display: flex;
            align-items: center;
            isolation: isolate;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 11, 13, 0.55) 0%, rgba(11, 11, 13, 0.78) 50%, rgba(11, 11, 13, 0.94) 100%);
            z-index: 1;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(200, 164, 92, 0.08) 0%, transparent 60%);
            z-index: 2;
        }

        .banner-content {
            position: relative;
            z-index: 3;
            padding: 40px 0;
        }

        .banner-badge {
            display: inline-block;
            background: var(--color-green-tag-bg);
            color: var(--color-green-tag);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
            border: 1px solid rgba(92, 138, 110, 0.25);
        }

        .banner-title {
            font-family: var(--font-display);
            font-size: 3rem;
            font-weight: 700;
            color: var(--color-text-strong);
            letter-spacing: 0.04em;
            margin-bottom: 12px;
            line-height: 1.2;
        }

        .banner-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-muted);
            max-width: 600px;
            line-height: 1.6;
            letter-spacing: 0.02em;
        }

        .banner-accent-line {
            width: 60px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 18px;
        }

        /* ==================== SECTIONS ==================== */
        .section-padded {
            padding: 56px 0;
        }

        .section-padded-sm {
            padding: 40px 0;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-strong);
            letter-spacing: 0.04em;
            margin-bottom: 8px;
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            letter-spacing: 0.02em;
            margin-bottom: 32px;
        }

        .section-accent-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-block;
            margin-right: 10px;
            vertical-align: middle;
            box-shadow: 0 0 8px var(--color-accent-glow);
        }

        /* ==================== CARDS ==================== */
        .card-luxury {
            background: var(--color-card-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            height: 100%;
        }

        .card-luxury:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg), var(--shadow-accent);
            border-color: var(--color-border-light);
        }

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

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

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

        .card-luxury .card-img-overlay-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-green-tag-bg);
            color: var(--color-green-tag);
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            padding: 4px 12px;
            border-radius: 50px;
            z-index: 2;
        }

        .card-luxury .card-body-custom {
            padding: 20px 18px;
        }

        .card-luxury .card-title-custom {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text-strong);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }

        .card-luxury .card-text-custom {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.55;
            margin-bottom: 0;
        }

        .card-luxury .card-meta-row {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 12px;
            font-size: 0.75rem;
            color: var(--color-text-weak);
        }

        /* ==================== ARTICLE LIST ==================== */
        .article-list-item {
            display: flex;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            align-items: flex-start;
        }

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

        .article-list-item:hover {
            padding-left: 8px;
        }

        .article-list-thumb {
            width: 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .article-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-fast);
        }

        .article-list-item:hover .article-list-thumb img {
            transform: scale(1.06);
        }

        .article-list-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-strong);
            margin-bottom: 4px;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }

        .article-list-info p {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 0;
            line-height: 1.4;
        }

        .article-list-meta {
            font-size: 0.7rem;
            color: var(--color-text-weak);
            letter-spacing: 0.04em;
        }

        /* ==================== STAT BLOCK ==================== */
        .stat-card {
            background: var(--color-card-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition-smooth);
            height: 100%;
        }

        .stat-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-accent);
        }

        .stat-number {
            font-family: var(--font-display);
            font-size: 2.6rem;
            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-muted);
            letter-spacing: 0.04em;
        }

        .stat-desc {
            font-size: 0.72rem;
            color: var(--color-text-weak);
            margin-top: 4px;
        }

        /* ==================== BUTTONS ==================== */
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #1a1a1a;
            font-weight: 600;
            padding: 12px 26px;
            border-radius: 50px;
            font-size: 0.9rem;
            letter-spacing: 0.04em;
            border: none;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .btn-accent:hover {
            background: var(--color-accent-light);
            color: #1a1a1a;
            box-shadow: 0 6px 24px rgba(200, 164, 92, 0.3);
            transform: translateY(-1px);
        }

        .btn-outline-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-accent);
            font-weight: 600;
            padding: 11px 24px;
            border-radius: 50px;
            font-size: 0.9rem;
            letter-spacing: 0.04em;
            border: 1.5px solid var(--color-accent);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .btn-outline-accent:hover {
            background: var(--color-accent-soft);
            color: var(--color-accent-light);
            border-color: var(--color-accent-light);
            box-shadow: 0 4px 18px rgba(200, 164, 92, 0.2);
        }

        /* ==================== ACCORDION / FAQ ==================== */
        .faq-accordion .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            background: var(--color-card-bg);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--color-text-strong);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 16px 20px;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            font-size: 0.8rem;
            color: var(--color-accent);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .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 20px 18px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.65;
            letter-spacing: 0.015em;
        }

        /* ==================== CTA BLOCK ==================== */
        .cta-block {
            background: linear-gradient(135deg, #15151d 0%, #1a1a24 40%, #14141c 100%);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(200, 164, 92, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-block h3 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-text-strong);
            letter-spacing: 0.04em;
            position: relative;
            z-index: 1;
        }

        .cta-block p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin: 0 auto 20px;
        }

        /* ==================== BREADCRUMB ==================== */
        .breadcrumb-custom {
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: 0.78rem;
            color: var(--color-text-weak);
            letter-spacing: 0.03em;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-custom .sep {
            color: var(--color-text-weak);
            font-size: 0.6rem;
        }

        .breadcrumb-custom .current {
            color: var(--color-accent);
            font-weight: 500;
        }

        /* ==================== DIVIDER ==================== */
        .divider-fade {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--color-border-light), transparent);
            margin: 0;
        }

        /* ==================== FOOTER ==================== */
        .site-footer {
            background: #0a0a0e;
            border-top: 1px solid var(--color-border);
            padding: 40px 0 24px;
            margin-top: auto;
        }

        .footer-brand {
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text-strong);
            letter-spacing: 0.05em;
            margin-bottom: 6px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }

        .footer-links a {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            letter-spacing: 0.03em;
            transition: color var(--transition-fast);
        }

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

        .footer-divider {
            height: 1px;
            background: var(--color-border);
            margin: 20px 0 16px;
        }

        /* ==================== RESPONSIVE ==================== */
        @media (max-width: 1024px) {
            .app-sidebar {
                transform: translateX(-100%);
            }

            .app-sidebar.mobile-open {
                transform: translateX(0);
            }

            .main-content {
                margin-left: 0;
            }

            .mobile-top-nav {
                display: flex;
            }

            .main-content {
                padding-top: var(--mobile-nav-height);
            }

            .page-banner {
                min-height: 280px;
            }

            .banner-title {
                font-size: 2rem;
            }

            .banner-subtitle {
                font-size: 0.95rem;
            }

            .section-title {
                font-size: 1.55rem;
            }

            .section-padded {
                padding: 36px 0;
            }

            .article-list-item {
                flex-direction: column;
                gap: 10px;
            }

            .article-list-thumb {
                width: 100%;
                height: 140px;
            }
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 240px;
            }

            .banner-title {
                font-size: 1.6rem;
            }

            .banner-subtitle {
                font-size: 0.85rem;
            }

            .banner-badge {
                font-size: 0.7rem;
                padding: 5px 12px;
            }

            .section-title {
                font-size: 1.35rem;
            }

            .section-subtitle {
                font-size: 0.85rem;
            }

            .cta-block {
                padding: 30px 20px;
            }

            .cta-block h3 {
                font-size: 1.35rem;
            }

            .stat-number {
                font-size: 2rem;
            }

            .card-luxury .card-body-custom {
                padding: 14px 12px;
            }

            .card-luxury .card-title-custom {
                font-size: 0.9rem;
            }

            .section-padded {
                padding: 28px 0;
            }

            .faq-question {
                font-size: 0.85rem;
                padding: 14px 16px;
            }

            .faq-answer-inner {
                padding: 0 16px 14px;
                font-size: 0.8rem;
            }

            .offcanvas-custom {
                width: 260px !important;
            }
        }

        @media (max-width: 520px) {
            .banner-title {
                font-size: 1.35rem;
            }

            .banner-subtitle {
                font-size: 0.8rem;
            }

            .section-title {
                font-size: 1.2rem;
            }

            .stat-number {
                font-size: 1.6rem;
            }

            .stat-label {
                font-size: 0.75rem;
            }

            .btn-accent,
            .btn-outline-accent {
                font-size: 0.8rem;
                padding: 10px 18px;
            }

            .page-banner {
                min-height: 200px;
            }

            .card-luxury .card-img-wrap {
                aspect-ratio: 16 / 9;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a1a1a;
            --color-accent: #b8935a;
            --color-accent-light: #d4b87a;
            --color-accent-dark: #8c6b3a;
            --color-bg: #f9f8f5;
            --color-surface: #ffffff;
            --color-surface-alt: #f3f1ec;
            --color-text: #2a2a2a;
            --color-text-soft: #5c5c5c;
            --color-text-muted: #8a8a8a;
            --color-border: #e5e2db;
            --color-border-light: #f0ede7;
            --color-sidebar-bg: #141210;
            --color-sidebar-text: #c5c0b8;
            --color-sidebar-active: #b8935a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.13);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --sidebar-width: 252px;
            --mobile-header-height: 56px;
            --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', 'SimSun', 'Songti SC', serif;
            --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Segoe UI', 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;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 600;
            line-height: 1.25;
            color: var(--color-primary);
        }
        h1 {
            font-size: 2.4rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.75rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.3rem;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-sidebar-bg);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            padding: 28px 20px 24px 20px;
            overflow-y: auto;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            transition: transform var(--transition-smooth);
        }
        .sidebar-logo {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 32px;
            padding-bottom: 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: block;
            text-align: center;
            transition: color var(--transition-fast);
        }
        .sidebar-logo:hover {
            color: var(--color-accent-light);
        }
        .nav-label {
            font-size: 0.68rem;
            text-transform: uppercase;
            letter-spacing: 0.14em;
            color: rgba(255, 255, 255, 0.35);
            margin-bottom: 10px;
            padding-left: 4px;
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
            flex: 1;
        }
        .nav-link-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            color: var(--color-sidebar-text);
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .nav-link-custom:hover {
            background: rgba(255, 255, 255, 0.05);
            color: #e8e4db;
        }
        .nav-link-custom.active {
            background: rgba(184, 147, 90, 0.18);
            color: var(--color-accent-light);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-accent);
        }
        .nav-link-custom .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .sidebar-cta {
            margin-top: auto;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .sidebar-cta .btn-sidebar {
            display: block;
            width: 100%;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            text-align: center;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
        }
        .sidebar-cta .btn-sidebar:hover {
            background: var(--color-accent-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(184, 147, 90, 0.3);
        }

        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--mobile-header-height);
            background: var(--color-sidebar-bg);
            z-index: 1040;
            align-items: center;
            padding: 0 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .mobile-header .mobile-logo {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
        }
        .mobile-menu-btn {
            color: #fff;
            font-size: 1.35rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            margin-right: 6px;
        }
        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .offcanvas-sidebar {
            background: var(--color-sidebar-bg) !important;
            width: 280px !important;
            border-right: 1px solid rgba(255, 255, 255, 0.06) !important;
        }
        .offcanvas-sidebar .offcanvas-body {
            padding: 20px 18px;
            display: flex;
            flex-direction: column;
        }
        .offcanvas-sidebar .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.7;
        }
        .offcanvas-sidebar .btn-close:hover {
            opacity: 1;
        }

        .page-banner {
            position: relative;
            background: linear-gradient(160deg, #1a1815 0%, #2a2520 40%, #1f1c17 100%);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 35%;
            background-blend-mode: overlay;
            padding: 70px 40px 60px 40px;
            min-height: 280px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--color-border-light);
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(20, 18, 14, 0.55) 0%, rgba(20, 18, 14, 0.7) 100%);
            pointer-events: none;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(184, 147, 90, 0.25);
            color: var(--color-accent-light);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.07em;
            padding: 5px 14px;
            border-radius: 20px;
            border: 1px solid rgba(184, 147, 90, 0.35);
            margin-bottom: 16px;
        }
        .page-banner h1 {
            color: #fff;
            font-size: 2.6rem;
            margin-bottom: 12px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
        }
        .page-banner .banner-desc {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            line-height: 1.7;
            max-width: 560px;
        }

        .section-block {
            padding: 50px 40px;
        }
        .section-block.alt-bg {
            background: var(--color-surface-alt);
        }
        .section-header {
            margin-bottom: 36px;
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
        }
        .section-header h2 {
            font-size: 1.7rem;
            color: var(--color-primary);
            position: relative;
            padding-bottom: 10px;
        }
        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .section-subtitle {
            color: var(--color-text-soft);
            font-size: 0.92rem;
            margin-bottom: 8px;
        }

        .card-custom {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-xs);
        }
        .card-custom:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
        }
        .card-custom .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: #f5f3ef;
        }
        .card-custom .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .card-custom:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-custom .card-img-wrap .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            padding: 4px 10px;
            border-radius: 14px;
            z-index: 2;
        }
        .card-custom .card-body-custom {
            padding: 18px 18px 16px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-custom .card-body-custom h3 {
            font-size: 1.1rem;
            margin-bottom: 6px;
            color: var(--color-primary);
            font-family: var(--font-heading);
        }
        .card-custom .card-body-custom p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            line-height: 1.55;
            margin-bottom: 12px;
            flex: 1;
        }
        .card-custom .card-meta {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .card-custom .card-meta .dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-block;
        }

        .feature-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .feature-item {
            flex: 1 1 220px;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-xs);
        }
        .feature-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
            transform: translateY(-2px);
        }
        .feature-item .feature-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(184, 147, 90, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px auto;
            font-size: 1.3rem;
            color: var(--color-accent);
        }
        .feature-item h4 {
            font-size: 1rem;
            margin-bottom: 6px;
            color: var(--color-primary);
        }
        .feature-item p {
            font-size: 0.82rem;
            color: var(--color-text-soft);
            line-height: 1.5;
            margin: 0;
        }

        .info-block {
            display: flex;
            gap: 36px;
            align-items: center;
            flex-wrap: wrap;
        }
        .info-block.reverse {
            flex-direction: row-reverse;
        }
        .info-block .info-image {
            flex: 1 1 320px;
            min-width: 260px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 5 / 4;
            box-shadow: var(--shadow-md);
        }
        .info-block .info-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .info-block .info-text {
            flex: 1 1 300px;
            min-width: 260px;
        }
        .info-block .info-text h3 {
            font-size: 1.4rem;
            margin-bottom: 12px;
        }
        .info-block .info-text p {
            color: var(--color-text-soft);
            line-height: 1.7;
            font-size: 0.95rem;
            margin-bottom: 8px;
        }
        .info-block .info-text .highlight-list {
            list-style: none;
            padding: 0;
            margin: 14px 0 0 0;
        }
        .info-block .info-text .highlight-list li {
            padding: 7px 0 7px 24px;
            position: relative;
            font-size: 0.9rem;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border-light);
        }
        .info-block .info-text .highlight-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .care-guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }
        .care-card {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            border-left: 3px solid var(--color-accent);
            border: 1px solid var(--color-border-light);
            border-left: 3px solid var(--color-accent);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-xs);
        }
        .care-card:hover {
            box-shadow: var(--shadow-md);
            border-left-color: var(--color-accent-dark);
        }
        .care-card h4 {
            font-size: 1rem;
            margin-bottom: 6px;
            color: var(--color-primary);
        }
        .care-card p {
            font-size: 0.84rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.55;
        }

        .cta-section {
            background: linear-gradient(150deg, #1a1815 0%, #26211b 100%);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: soft-light;
            padding: 55px 40px;
            text-align: center;
            border-radius: 0;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(20, 18, 14, 0.6);
            pointer-events: none;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 1.8rem;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            margin-bottom: 24px;
            line-height: 1.6;
        }
        .btn-cta {
            display: inline-block;
            padding: 12px 32px;
            border-radius: 28px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            border: 2px solid transparent;
        }
        .btn-cta:hover {
            background: var(--color-accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(184, 147, 90, 0.35);
            color: #fff;
        }
        .btn-outline-accent {
            display: inline-block;
            padding: 10px 24px;
            border-radius: 28px;
            background: transparent;
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.88rem;
            letter-spacing: 0.03em;
            border: 1.5px solid var(--color-accent);
            transition: all var(--transition-smooth);
        }
        .btn-outline-accent:hover {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(184, 147, 90, 0.25);
        }

        .site-footer {
            background: #141210;
            color: rgba(255, 255, 255, 0.7);
            padding: 36px 40px 24px 40px;
            font-size: 0.85rem;
            margin-top: 0;
        }
        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.78rem;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .site-footer .footer-links a:hover {
            color: var(--color-accent-light);
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin: 20px 0 16px 0;
        }

        @media (max-width: 991.98px) {
            .sidebar {
                display: none;
            }
            .main-content {
                margin-left: 0;
                padding-top: var(--mobile-header-height);
            }
            .mobile-header {
                display: flex;
            }
            .page-banner {
                padding: 40px 20px 36px 20px;
                min-height: 200px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .banner-desc {
                font-size: 0.9rem;
            }
            .section-block {
                padding: 32px 18px;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .info-block {
                flex-direction: column !important;
                gap: 20px;
            }
            .info-block .info-image {
                aspect-ratio: 16 / 10;
                min-width: 100%;
            }
            .info-block .info-text {
                min-width: 100%;
            }
            .care-guide-grid {
                grid-template-columns: 1fr;
            }
            .feature-row {
                gap: 14px;
            }
            .feature-item {
                flex: 1 1 140px;
                min-width: 130px;
                padding: 16px 12px;
            }
            .site-footer {
                padding: 28px 18px 20px 18px;
            }
            .cta-section {
                padding: 36px 18px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 575.98px) {
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner .banner-desc {
                font-size: 0.82rem;
            }
            .section-block {
                padding: 24px 14px;
            }
            .section-header h2 {
                font-size: 1.25rem;
            }
            .card-custom .card-body-custom h3 {
                font-size: 1rem;
            }
            .feature-row {
                flex-direction: column;
            }
            .feature-item {
                flex: 1 1 auto;
            }
            .care-guide-grid {
                grid-template-columns: 1fr;
            }
            .info-block .info-text h3 {
                font-size: 1.2rem;
            }
            .btn-cta {
                padding: 10px 22px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #C9A96E;
            --color-primary-dark: #A8863D;
            --color-primary-light: #E0D0A8;
            --color-accent: #B76E6E;
            --color-accent-soft: #D4A0A0;
            --color-bg: #FAFAF8;
            --color-bg-warm: #F5F0E8;
            --color-surface: #FFFFFF;
            --color-surface-dark: #1C1C1C;
            --color-surface-mid: #2A2824;
            --color-text: #1E1E1E;
            --color-text-soft: #5C5A56;
            --color-text-muted: #8A8780;
            --color-text-light: #B0ADA6;
            --color-border: #E5E0D8;
            --color-border-light: #F0ECE5;
            --color-gold-subtle: #F7F2E4;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --sidebar-width: 260px;
            --sidebar-collapsed: 0px;
            --header-mobile-height: 56px;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-display: 'Georgia', 'Noto Serif SC', 'STSong', 'SimSun', 'Songti SC', serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Monaco', 'Consolas', 'Courier New', monospace;
        }

        *,
        *::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: 15px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.3;
            color: var(--color-text);
        }
        h1 {
            font-family: var(--font-display);
            font-size: 2.6rem;
            letter-spacing: -0.01em;
        }
        h2 {
            font-family: var(--font-display);
            font-size: 1.9rem;
            letter-spacing: -0.005em;
        }
        h3 {
            font-size: 1.25rem;
            font-weight: 600;
        }

        /* ===== App Shell Layout ===== */
        .app-shell {
            display: flex;
            min-height: 100vh;
            position: relative;
        }

        /* ===== Sidebar ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-surface-dark);
            color: #ffffff;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            transition: transform var(--transition-smooth), width var(--transition-smooth);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }
        .sidebar::-webkit-scrollbar {
            width: 4px;
        }
        .sidebar::-webkit-scrollbar-track {
            background: transparent;
        }
        .sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }

        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-brand .brand-name {
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-brand .brand-name .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #fff;
            flex-shrink: 0;
        }
        .sidebar-brand .brand-subtitle {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-top: 4px;
            padding-left: 46px;
        }

        .sidebar-nav {
            padding: 16px 14px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .sidebar-nav .nav-label {
            font-size: 0.65rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: rgba(255, 255, 255, 0.3);
            padding: 8px 12px 4px;
            margin-bottom: 2px;
        }
        .nav-link-custom {
            display: flex;
            align-items: center;
            gap: 11px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.65);
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav-link-custom .nav-icon {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-link-custom:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-link-custom:hover .nav-icon {
            background: rgba(255, 255, 255, 0.12);
        }
        .nav-link-custom.active {
            color: #ffffff;
            background: rgba(201, 169, 110, 0.18);
            font-weight: 600;
        }
        .nav-link-custom.active .nav-icon {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(201, 169, 110, 0.35);
        }
        .nav-link-custom.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            bottom: 10px;
            width: 3px;
            border-radius: 0 3px 3px 0;
            background: var(--color-primary);
        }

        .sidebar-footer-area {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.3);
            letter-spacing: 0.03em;
            text-align: center;
        }

        /* ===== Main Content ===== */
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin-left var(--transition-smooth);
        }

        /* ===== Mobile Header ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-mobile-height);
            background: var(--color-surface-dark);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .mobile-header .mobile-brand {
            font-family: var(--font-display);
            font-size: 1.1rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-header .mobile-brand .mb-icon {
            width: 28px;
            height: 28px;
            border-radius: 5px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: #fff;
        }
        .mobile-menu-toggle {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-size: 1.1rem;
            transition: background var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        /* ===== Sidebar Overlay (mobile) ===== */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .sidebar-overlay.active {
            opacity: 1;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 80px 40px 70px;
            background: var(--color-surface-dark);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            color: #ffffff;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(28, 28, 28, 0.55) 0%, rgba(28, 28, 28, 0.78) 60%, rgba(28, 28, 28, 0.9) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .page-banner .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .page-banner .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-fast);
        }
        .page-banner .breadcrumb-custom a:hover {
            color: var(--color-primary-light);
        }
        .page-banner .breadcrumb-custom .separator {
            color: rgba(255, 255, 255, 0.3);
        }
        .page-banner h1 {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
        }
        .page-banner .banner-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
            max-width: 560px;
            letter-spacing: 0.02em;
        }
        .page-banner .banner-accent-line {
            width: 50px;
            height: 2px;
            background: var(--color-primary);
            margin-bottom: 20px;
            border-radius: 1px;
        }

        /* ===== Section Layout ===== */
        .section-padding {
            padding: 64px 40px;
        }
        .section-padding-sm {
            padding: 48px 40px;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header .section-label {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--color-primary-dark);
            margin-bottom: 8px;
            font-weight: 600;
        }
        .section-header h2 {
            margin-bottom: 8px;
        }
        .section-header .section-desc {
            color: var(--color-text-soft);
            font-size: 0.95rem;
            max-width: 600px;
            line-height: 1.6;
        }

        /* ===== Cards ===== */
        .craft-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .craft-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-primary-light);
        }
        .craft-card .card-img-wrap {
            position: relative;
            aspect-ratio: 4/3;
            overflow: hidden;
            background: var(--color-bg-warm);
        }
        .craft-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .craft-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .craft-card .card-img-wrap .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(28, 28, 28, 0.75);
            color: #fff;
            font-size: 0.7rem;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.05em;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }
        .craft-card .card-body-custom {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .craft-card .card-body-custom h3 {
            font-size: 1.1rem;
            margin-bottom: 6px;
            font-weight: 600;
        }
        .craft-card .card-body-custom p {
            color: var(--color-text-soft);
            font-size: 0.85rem;
            line-height: 1.55;
            margin-bottom: 14px;
            flex: 1;
        }
        .craft-card .card-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-primary-dark);
            letter-spacing: 0.03em;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
        }
        .craft-card .card-link:hover {
            gap: 10px;
            color: var(--color-primary-dark);
        }
        .craft-card .card-link i {
            font-size: 0.7rem;
        }

        /* ===== Featured Highlight Block ===== */
        .highlight-block {
            background: var(--color-surface-dark);
            color: #ffffff;
            border-radius: var(--radius-xl);
            padding: 48px 44px;
            position: relative;
            overflow: hidden;
        }
        .highlight-block::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.08);
            pointer-events: none;
        }
        .highlight-block .highlight-label {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--color-primary-light);
            margin-bottom: 8px;
            font-weight: 600;
        }
        .highlight-block h2 {
            color: #ffffff;
            margin-bottom: 12px;
        }
        .highlight-block p {
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            max-width: 620px;
        }
        .highlight-block .highlight-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 24px;
        }
        .highlight-block .highlight-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .highlight-block .highlight-meta-item .meta-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary-light);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .highlight-block .highlight-meta-item .meta-text strong {
            display: block;
            font-size: 0.95rem;
            color: #ffffff;
        }
        .highlight-block .highlight-meta-item .meta-text span {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== Stats Row ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card-mini {
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            text-align: center;
            transition: all var(--transition-fast);
        }
        .stat-card-mini:hover {
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-md);
        }
        .stat-card-mini .stat-number {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            letter-spacing: -0.02em;
        }
        .stat-card-mini .stat-label {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: 4px;
            letter-spacing: 0.03em;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 18px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            letter-spacing: 0.01em;
        }
        .faq-item .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-gold-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--color-primary-dark);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item:hover .faq-icon {
            background: var(--color-primary);
            color: #fff;
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            color: var(--color-text-soft);
            font-size: 0.85rem;
            line-height: 1.6;
            padding-right: 44px;
        }
        .faq-item.open .faq-answer {
            max-height: 200px;
            padding-top: 12px;
        }
        .faq-item.open .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(160deg, var(--color-surface-dark) 0%, #252320 100%);
            border-radius: var(--radius-xl);
            padding: 52px 44px;
            text-align: center;
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.06);
            pointer-events: none;
        }
        .cta-section h2 {
            color: #ffffff;
            margin-bottom: 10px;
            position: relative;
            z-index: 2;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 24px;
            position: relative;
            z-index: 2;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #1E1E1E;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 30px;
            letter-spacing: 0.03em;
            transition: all var(--transition-bounce);
            position: relative;
            z-index: 2;
            border: none;
            cursor: pointer;
            font-size: 0.92rem;
        }
        .btn-gold:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 169, 110, 0.35);
        }
        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-primary-light);
            font-weight: 600;
            padding: 11px 26px;
            border-radius: 30px;
            letter-spacing: 0.03em;
            transition: all var(--transition-bounce);
            border: 1.5px solid rgba(201, 169, 110, 0.5);
            cursor: pointer;
            font-size: 0.9rem;
        }
        .btn-outline-gold:hover {
            background: rgba(201, 169, 110, 0.1);
            border-color: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-surface-dark);
            color: #ffffff;
            padding: 48px 40px 28px;
            margin-top: auto;
        }
        .site-footer .footer-brand {
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 8px;
            color: #ffffff;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 18px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.8rem;
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .site-footer .footer-links a:hover {
            color: var(--color-primary-light);
        }
        .site-footer .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin: 22px 0 18px;
        }
        .site-footer .container {
            max-width: 100%;
            padding: 0;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --sidebar-width: 240px;
            }
            .page-banner {
                padding: 60px 28px 50px;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .section-padding {
                padding: 48px 28px;
            }
            .section-padding-sm {
                padding: 36px 28px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .highlight-block {
                padding: 36px 28px;
            }
            .cta-section {
                padding: 40px 28px;
            }
            .site-footer {
                padding: 40px 28px 22px;
            }
            .craft-card .card-body-custom {
                padding: 16px 16px;
            }
            .craft-card .card-body-custom h3 {
                font-size: 1rem;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                width: 280px;
            }
            .sidebar.open {
                transform: translateX(0);
                box-shadow: var(--shadow-xl);
            }
            .sidebar-overlay {
                display: block;
                pointer-events: none;
            }
            .sidebar-overlay.active {
                pointer-events: auto;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                padding-top: var(--header-mobile-height);
            }
            .page-banner {
                padding: 44px 18px 38px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.9rem;
            }
            .section-padding {
                padding: 36px 18px;
            }
            .section-padding-sm {
                padding: 28px 18px;
            }
            h2 {
                font-size: 1.5rem;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-card-mini {
                padding: 16px 14px;
            }
            .stat-card-mini .stat-number {
                font-size: 1.5rem;
            }
            .highlight-block {
                padding: 28px 18px;
                border-radius: var(--radius-lg);
            }
            .highlight-block .highlight-meta-row {
                gap: 14px;
            }
            .cta-section {
                padding: 32px 18px;
                border-radius: var(--radius-lg);
            }
            .site-footer {
                padding: 32px 18px 20px;
            }
            .faq-item .faq-question {
                font-size: 0.88rem;
            }
            .craft-card .card-img-wrap {
                aspect-ratio: 3/2;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner {
                padding: 34px 14px 30px;
            }
            .section-padding {
                padding: 28px 14px;
            }
            .section-padding-sm {
                padding: 22px 14px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card-mini .stat-number {
                font-size: 1.3rem;
            }
            .highlight-block .highlight-meta-row {
                flex-direction: column;
                gap: 10px;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .btn-gold,
            .btn-outline-gold {
                padding: 10px 20px;
                font-size: 0.82rem;
            }
            .site-footer {
                padding: 24px 14px 16px;
            }
            .craft-card .card-body-custom h3 {
                font-size: 0.95rem;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #1c1c1c;
            --color-accent: #c8a45c;
            --color-accent-light: #d9b96b;
            --color-accent-dark: #a8883d;
            --color-bg: #f8f6f3;
            --color-bg-alt: #f0ece6;
            --color-surface: #ffffff;
            --color-sidebar: #161616;
            --color-sidebar-hover: #262626;
            --color-text: #1c1c1c;
            --color-text-soft: #5c5c5c;
            --color-text-muted: #8a8a8a;
            --color-text-light: #a0a0a0;
            --color-border: #e5e0d8;
            --color-border-light: #f0ece6;
            --color-gold-subtle: rgba(200, 164, 92, 0.12);
            --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);
            --shadow-card-hover: 0 12px 36px rgba(0, 0, 0, 0.12);
            --sidebar-width: 260px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-smooth: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-stack: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

        /* ========== 基础 Reset ========== */
        *,
        *::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: var(--font-stack);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

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

        /* ========== 侧边栏（桌面端） ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-sidebar);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            padding: 28px 20px 20px;
            overflow-y: auto;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            transition: transform var(--transition-base);
        }

        .sidebar-logo {
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: #ffffff;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sidebar-logo .logo-dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: #1c1c1c;
            flex-shrink: 0;
        }

        .sidebar-subtitle {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 32px;
            padding-left: 2px;
        }

        .nav-label {
            font-size: 0.68rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: rgba(255, 255, 255, 0.3);
            margin-bottom: 8px;
            padding-left: 2px;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }

        .nav-link-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            position: relative;
            white-space: nowrap;
        }

        .nav-link-custom .nav-icon {
            width: 22px;
            text-align: center;
            font-size: 0.85rem;
            flex-shrink: 0;
            color: rgba(255, 255, 255, 0.4);
            transition: color var(--transition-fast);
        }

        .nav-link-custom:hover {
            background: var(--color-sidebar-hover);
            color: #ffffff;
        }
        .nav-link-custom:hover .nav-icon {
            color: var(--color-accent);
        }

        .nav-link-custom.active {
            background: rgba(200, 164, 92, 0.15);
            color: var(--color-accent);
            font-weight: 600;
        }
        .nav-link-custom.active .nav-icon {
            color: var(--color-accent);
        }
        .nav-link-custom.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 20px;
            border-radius: 2px;
            background: var(--color-accent);
        }

        .sidebar-cta {
            margin-top: auto;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .sidebar-cta .btn-sidebar-cta {
            display: block;
            width: 100%;
            padding: 11px 16px;
            border-radius: var(--radius-md);
            background: var(--color-accent);
            color: #1c1c1c;
            border: none;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.03em;
            text-align: center;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .sidebar-cta .btn-sidebar-cta:hover {
            background: var(--color-accent-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(200, 164, 92, 0.3);
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ========== 移动端顶部导航条 ========== */
        .mobile-top-bar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: var(--color-sidebar);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .mobile-top-bar .mobile-logo {
            font-size: 1.15rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-top-bar .mobile-logo .logo-dot-small {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }

        .mobile-menu-btn {
            background: none;
            border: none;
            color: #ffffff;
            font-size: 1.4rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ========== Offcanvas 移动端抽屉 ========== */
        .offcanvas-custom {
            background: var(--color-sidebar) !important;
            color: #ffffff;
        }
        .offcanvas-custom .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 16px 20px;
        }
        .offcanvas-custom .offcanvas-title {
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.04em;
            color: #ffffff;
        }
        .offcanvas-custom .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.7;
        }
        .offcanvas-custom .btn-close:hover {
            opacity: 1;
        }
        .offcanvas-custom .offcanvas-body {
            padding: 16px 12px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .offcanvas-custom .nav-link-custom {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.95rem;
            padding: 13px 16px;
        }
        .offcanvas-custom .nav-link-custom.active {
            background: rgba(200, 164, 92, 0.15);
            color: var(--color-accent);
        }
        .offcanvas-custom .nav-label {
            padding-left: 16px;
            margin-bottom: 4px;
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.3);
            letter-spacing: 0.1em;
        }
        .offcanvas-cta-wrap {
            margin-top: auto;
            padding: 16px 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* ========== 页面Banner ========== */
        .page-banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(22, 22, 22, 0.85) 0%, rgba(22, 22, 22, 0.55) 60%, rgba(22, 22, 22, 0.7) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            width: 100%;
        }
        .page-banner .banner-eyebrow {
            display: inline-block;
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.14em;
            color: var(--color-accent);
            margin-bottom: 12px;
            font-weight: 500;
        }
        .page-banner .banner-title {
            font-size: 2.8rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .page-banner .banner-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            line-height: 1.6;
        }
        .page-banner .banner-accent-line {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 16px;
        }

        /* ========== 内容板块容器 ========== */
        .section-padding {
            padding: 56px 0;
        }
        .section-padding-sm {
            padding: 40px 0;
        }
        .section-padding-lg {
            padding: 70px 0;
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header .section-eyebrow {
            font-size: 0.72rem;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 6px;
        }
        .section-header .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.02em;
            margin-bottom: 8px;
        }
        .section-header .section-desc {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            max-width: 600px;
        }
        .section-header.text-center .section-desc {
            margin: 0 auto;
        }

        /* ========== 品牌卡片 ========== */
        .brand-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
        }
        .brand-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: transparent;
        }
        .brand-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--color-bg-alt);
        }
        .brand-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .brand-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .brand-card .card-img-wrap .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-accent);
            color: #1c1c1c;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.05em;
            z-index: 2;
        }
        .brand-card .card-body-custom {
            padding: 20px 18px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .brand-card .card-body-custom .card-tag-row {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .brand-card .card-body-custom .card-tag {
            font-size: 0.68rem;
            color: var(--color-accent-dark);
            background: var(--color-gold-subtle);
            padding: 3px 10px;
            border-radius: 14px;
            letter-spacing: 0.04em;
            font-weight: 500;
        }
        .brand-card .card-body-custom .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }
        .brand-card .card-body-custom .card-desc {
            font-size: 0.82rem;
            color: var(--color-text-soft);
            line-height: 1.5;
            flex: 1;
            margin-bottom: 10px;
        }
        .brand-card .card-body-custom .card-link {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            letter-spacing: 0.03em;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: gap var(--transition-fast);
            align-self: flex-start;
        }
        .brand-card .card-body-custom .card-link:hover {
            gap: 9px;
            color: var(--color-accent);
        }

        /* ========== 数据看板 ========== */
        .data-panel {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-md);
        }
        .data-item {
            text-align: center;
            padding: 16px 10px;
        }
        .data-item .data-number {
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }
        .data-item .data-label {
            font-size: 0.78rem;
            color: var(--color-text-soft);
            letter-spacing: 0.03em;
        }
        .data-divider {
            width: 1px;
            background: var(--color-border);
            align-self: stretch;
            margin: 0 8px;
        }

        /* ========== 资讯列表 ========== */
        .info-list-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--color-border-light);
            align-items: flex-start;
            transition: all var(--transition-fast);
        }
        .info-list-item:last-child {
            border-bottom: none;
        }
        .info-list-item .info-thumb {
            width: 90px;
            height: 70px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--color-bg-alt);
        }
        .info-list-item .info-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .info-list-item .info-body {
            flex: 1;
        }
        .info-list-item .info-body .info-date {
            font-size: 0.7rem;
            color: var(--color-text-muted);
            letter-spacing: 0.04em;
            margin-bottom: 4px;
        }
        .info-list-item .info-body .info-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 3px;
            letter-spacing: 0.01em;
            transition: color var(--transition-fast);
        }
        .info-list-item:hover .info-body .info-title {
            color: var(--color-accent-dark);
        }
        .info-list-item .info-body .info-excerpt {
            font-size: 0.78rem;
            color: var(--color-text-soft);
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 8px;
            overflow: hidden;
            background: var(--color-surface);
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            background: var(--color-surface);
            padding: 16px 20px;
            letter-spacing: 0.02em;
            box-shadow: none !important;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--color-accent-dark);
            background: var(--color-gold-subtle);
        }
        .faq-accordion .accordion-button::after {
            filter: brightness(0.4);
            transition: transform var(--transition-base);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(200, 164, 92, 0.2) !important;
        }
        .faq-accordion .accordion-body {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            padding: 8px 20px 18px;
            line-height: 1.7;
            letter-spacing: 0.01em;
        }

        /* ========== CTA区块 ========== */
        .cta-block {
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(200, 164, 92, 0.08);
            pointer-events: none;
        }
        .cta-block .cta-title {
            font-size: 1.7rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-block .cta-desc {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.6);
            max-width: 500px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
        }
        .btn-accent {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 30px;
            background: var(--color-accent);
            color: #1c1c1c;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.04em;
            border: none;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            cursor: pointer;
        }
        .btn-accent:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 164, 92, 0.35);
            color: #1c1c1c;
        }
        .btn-outline-light-custom {
            display: inline-block;
            padding: 11px 26px;
            border-radius: 30px;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            color: #ffffff;
            font-weight: 500;
            font-size: 0.88rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            cursor: pointer;
            background: transparent;
        }
        .btn-outline-light-custom:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
            color: #ffffff;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-sidebar);
            color: #ffffff;
            padding: 44px 0 28px;
            margin-top: auto;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            margin-bottom: 8px;
            color: #ffffff;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 14px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.78rem;
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin: 20px 0 16px;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-row {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-row a {
            color: var(--color-text-soft);
            transition: color var(--transition-fast);
        }
        .breadcrumb-row a:hover {
            color: var(--color-accent-dark);
        }
        .breadcrumb-row .sep {
            color: var(--color-text-light);
        }
        .breadcrumb-row .current {
            color: var(--color-accent-dark);
            font-weight: 500;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .sidebar {
                display: none !important;
            }
            .mobile-top-bar {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }
            .page-banner {
                min-height: 280px;
            }
            .page-banner .banner-title {
                font-size: 2rem;
            }
            .page-banner .banner-desc {
                font-size: 0.9rem;
                max-width: 100%;
            }
            .section-padding {
                padding: 36px 0;
            }
            .section-padding-lg {
                padding: 48px 0;
            }
            .data-panel {
                padding: 24px 16px;
                border-radius: var(--radius-lg);
            }
            .data-item .data-number {
                font-size: 2rem;
            }
            .data-divider {
                display: none;
            }
            .brand-card .card-img-wrap {
                aspect-ratio: 16 / 10;
            }
            .cta-block {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-block .cta-title {
                font-size: 1.3rem;
            }
            .section-header .section-title {
                font-size: 1.4rem;
            }
            .info-list-item {
                flex-direction: column;
                gap: 10px;
            }
            .info-list-item .info-thumb {
                width: 100%;
                height: 140px;
            }
        }

        @media (max-width: 767.98px) {
            .page-banner {
                min-height: 240px;
            }
            .page-banner .banner-title {
                font-size: 1.6rem;
            }
            .page-banner .banner-desc {
                font-size: 0.82rem;
            }
            .page-banner .banner-content {
                padding: 40px 0;
            }
            .section-padding {
                padding: 28px 0;
            }
            .section-padding-lg {
                padding: 36px 0;
            }
            .brand-card .card-body-custom .card-title {
                font-size: 1rem;
            }
            .data-panel {
                padding: 18px 10px;
            }
            .data-item .data-number {
                font-size: 1.6rem;
            }
            .data-item .data-label {
                font-size: 0.7rem;
            }
            .cta-block .cta-title {
                font-size: 1.15rem;
            }
            .cta-block .cta-desc {
                font-size: 0.82rem;
            }
            .btn-accent,
            .btn-outline-light-custom {
                padding: 10px 20px;
                font-size: 0.8rem;
            }
            .site-footer {
                padding: 28px 0 20px;
            }
            .footer-brand {
                font-size: 1rem;
            }
            .section-header .section-title {
                font-size: 1.2rem;
            }
            .faq-accordion .accordion-button {
                font-size: 0.85rem;
                padding: 13px 15px;
            }
        }

        @media (max-width: 519.98px) {
            .page-banner {
                min-height: 200px;
            }
            .page-banner .banner-title {
                font-size: 1.3rem;
            }
            .page-banner .banner-eyebrow {
                font-size: 0.65rem;
            }
            .brand-card .card-img-wrap {
                aspect-ratio: 3 / 2;
            }
            .data-panel .row>div {
                border-bottom: 1px solid var(--color-border-light);
                padding: 10px 0;
            }
            .data-panel .row>div:last-child {
                border-bottom: none;
            }
            .breadcrumb-row {
                font-size: 0.7rem;
            }
            .cta-block {
                padding: 24px 14px;
            }
            .cta-block .cta-title {
                font-size: 1.05rem;
            }
        }