/* roulang page: index */
:root {
            --color-primary: #1a1a1a;
            --color-accent: #c9a96e;
            --color-accent-hover: #b8944f;
            --color-accent-light: #f0e6d3;
            --color-bg: #fafaf8;
            --color-surface: #ffffff;
            --color-surface-alt: #f5f3ef;
            --color-text: #1a1a1a;
            --color-text-soft: #5c5c5c;
            --color-text-muted: #8a8a8a;
            --color-border: #e5e2dc;
            --color-border-light: #f0ede8;
            --color-success: #3a7d44;
            --color-warning: #c9a96e;
            --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, 0.12);
            --sidebar-width: 260px;
            --sidebar-width-tablet: 220px;
            --header-mobile-height: 60px;
            --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-heading: 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
        }

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

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

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

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

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

        input {
            font-family: var(--font-body);
        }
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            color: #ffffff;
            z-index: 100;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            transition: transform var(--transition-smooth), width var(--transition-smooth);
            box-shadow: 2px 0 30px rgba(0, 0, 0, 0.18);
        }
        .sidebar::-webkit-scrollbar {
            width: 4px;
        }
        .sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.2);
            border-radius: 4px;
        }

        .sidebar-logo {
            padding: 28px 24px 22px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            flex-shrink: 0;
        }
        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: #ffffff;
            font-family: var(--font-heading);
            white-space: nowrap;
        }
        .sidebar-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #1a1a1a;
            flex-shrink: 0;
        }

        .sidebar-nav {
            flex: 1;
            padding: 18px 16px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            opacity: 0.7;
            transition: opacity var(--transition-fast);
        }
        .sidebar-nav a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }
        .sidebar-nav a:hover i {
            opacity: 1;
        }
        .sidebar-nav a.active {
            color: #ffffff;
            background: var(--color-accent);
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.3);
        }
        .sidebar-nav a.active i {
            opacity: 1;
            color: #1a1a1a;
        }
        .sidebar-nav a.active:hover {
            background: var(--color-accent-hover);
        }
        .sidebar-nav .nav-divider {
            height: 1px;
            background: rgba(255, 255, 255, 0.1);
            margin: 8px 12px;
        }
        .sidebar-cta {
            padding: 20px 20px 24px;
            flex-shrink: 0;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }
        .sidebar-cta .btn-cta-sidebar {
            display: block;
            width: 100%;
            padding: 13px 18px;
            text-align: center;
            background: var(--color-accent);
            color: #1a1a1a;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.04em;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(201, 169, 110, 0.35);
        }
        .sidebar-cta .btn-cta-sidebar:hover {
            background: #d4b87a;
            box-shadow: 0 6px 22px rgba(201, 169, 110, 0.5);
            transform: translateY(-1px);
            color: #1a1a1a;
        }

        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            transition: margin-left var(--transition-smooth);
        }

        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-mobile-height);
            background: var(--color-primary);
            z-index: 99;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.15);
        }
        .mobile-header .mobile-logo {
            font-size: 1.1rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            font-family: var(--font-heading);
        }
        .mobile-menu-toggle {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-size: 1.4rem;
            transition: background var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 98;
            opacity: 0;
            transition: opacity var(--transition-smooth);
            pointer-events: none;
        }
        .sidebar-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        .section {
            padding: 64px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-lg {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--color-surface-alt);
        }
        .section-dark {
            background: var(--color-primary);
            color: #ffffff;
        }
        .section-accent-light {
            background: var(--color-accent-light);
        }
        .container-custom {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 32px;
        }
        .container-narrow {
            max-width: 880px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: var(--color-primary);
            color: #ffffff;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.45;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.75) 0%, rgba(26, 26, 26, 0.35) 60%, rgba(26, 26, 26, 0.55) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
        }
        .hero-tag {
            display: inline-block;
            background: rgba(201, 169, 110, 0.2);
            border: 1px solid rgba(201, 169, 110, 0.5);
            color: var(--color-accent);
            padding: 7px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
            font-family: var(--font-heading);
        }
        .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            line-height: 1.6;
            margin-bottom: 28px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
            font-family: var(--font-body);
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #1a1a1a;
            border-color: var(--color-accent);
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.35);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            box-shadow: 0 6px 24px rgba(201, 169, 110, 0.5);
            transform: translateY(-2px);
            color: #1a1a1a;
        }
        .btn-outline {
            background: transparent;
            color: #ffffff;
            border-color: rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: #ffffff;
            color: #ffffff;
            transform: translateY(-2px);
        }
        .btn-outline-dark {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline-dark:hover {
            background: var(--color-primary);
            color: #ffffff;
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 16px 34px;
            font-size: 1.05rem;
        }
        .btn:active {
            transform: scale(0.97);
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        .section-heading {
            margin-bottom: 40px;
        }
        .section-heading .label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-heading h2 {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            font-family: var(--font-heading);
            line-height: 1.3;
            color: var(--color-primary);
        }
        .section-heading .subtitle {
            font-size: 1rem;
            color: var(--color-text-soft);
            margin-top: 8px;
            max-width: 600px;
        }
        .section-dark .section-heading h2 {
            color: #ffffff;
        }
        .section-dark .section-heading .subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }
        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #eae7e2;
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        .card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .card-img-wrap .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-accent);
            color: #1a1a1a;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            z-index: 2;
        }
        .card-body {
            padding: 20px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
            font-family: var(--font-heading);
            line-height: 1.4;
        }
        .card-body p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.55;
            flex: 1;
        }
        .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-accent);
            margin-top: 12px;
            letter-spacing: 0.03em;
            transition: gap var(--transition-fast);
        }
        .card-body .card-link:hover {
            gap: 10px;
            color: var(--color-accent-hover);
        }

        .card-horizontal {
            display: flex;
            flex-direction: row;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }
        .card-horizontal:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }
        .card-horizontal .card-img-wrap {
            width: 200px;
            flex-shrink: 0;
            aspect-ratio: auto;
            min-height: 160px;
        }
        .card-horizontal .card-body {
            padding: 20px 22px;
            justify-content: center;
        }

        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
            transform: translateY(-2px);
        }
        .stat-card .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: 0.02em;
            font-family: var(--font-mono);
            line-height: 1;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }
        .stat-card .stat-trend {
            font-size: 0.8rem;
            font-weight: 600;
            margin-top: 4px;
        }
        .stat-card .stat-trend.up {
            color: var(--color-success);
        }

        .info-list {
            list-style: none;
            padding: 0;
        }
        .info-list li {
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border-light);
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: background var(--transition-fast);
        }
        .info-list li:last-child {
            border-bottom: none;
        }
        .info-list li:hover {
            background: rgba(201, 169, 110, 0.04);
            padding-left: 6px;
            border-radius: 4px;
        }
        .info-list .list-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--color-accent);
            font-size: 0.9rem;
        }
        .info-list .list-content h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 2px;
            letter-spacing: 0.02em;
        }
        .info-list .list-content p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin: 0;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 0;
            font-size: 1rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            color: var(--color-primary);
            transition: color var(--transition-fast);
            background: none;
            border: none;
            cursor: pointer;
            font-family: var(--font-body);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            font-size: 0.7rem;
            color: var(--color-accent);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #1a1a1a;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), padding 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            padding: 0;
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.65;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 0 16px 0;
        }

        .brand-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            border-radius: 30px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .brand-pill:hover {
            border-color: var(--color-accent);
            background: var(--color-accent-light);
            box-shadow: var(--shadow-xs);
        }
        .brand-pill .pill-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }

        .data-block {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            border: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            gap: 20px;
            transition: all var(--transition-smooth);
        }
        .data-block:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
        }
        .data-block .data-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: var(--color-accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent);
            flex-shrink: 0;
        }
        .data-block .data-info h4 {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            font-family: var(--font-mono);
            color: var(--color-primary);
            line-height: 1;
        }
        .data-block .data-info span {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            letter-spacing: 0.03em;
        }

        .timeline-dot {
            position: relative;
            padding-left: 32px;
            margin-bottom: 20px;
        }
        .timeline-dot::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 3px solid var(--color-accent-light);
        }
        .timeline-dot::after {
            content: '';
            position: absolute;
            left: 5px;
            top: 22px;
            width: 2px;
            height: calc(100% + 8px);
            background: var(--color-border);
        }
        .timeline-dot:last-child::after {
            display: none;
        }
        .timeline-dot h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 2px;
            letter-spacing: 0.02em;
        }
        .timeline-dot p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin: 0;
        }

        .footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
            letter-spacing: 0.03em;
        }
        .footer-bottom strong {
            color: rgba(255, 255, 255, 0.7);
        }

        .badge-accent {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 20px;
            background: var(--color-accent-light);
            color: #8a6d30;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.05em;
        }

        @media (max-width: 1024px) {
            :root {
                --sidebar-width: 220px;
            }
            .sidebar {
                width: var(--sidebar-width);
            }
            .main-content {
                margin-left: var(--sidebar-width);
            }
            .hero-title {
                font-size: 2.4rem;
            }
            .section {
                padding: 48px 0;
            }
            .container-custom {
                padding: 0 24px;
            }
            .container-narrow {
                padding: 0 24px;
            }
            .card-horizontal .card-img-wrap {
                width: 150px;
                min-height: 140px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --sidebar-width: 0px;
            }
            .sidebar {
                transform: translateX(-100%);
                width: 280px;
                position: fixed;
                z-index: 101;
                transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay {
                display: block;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: var(--header-mobile-height);
            }
            .hero-section {
                min-height: 420px;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .section {
                padding: 36px 0;
            }
            .section-lg {
                padding: 50px 0;
            }
            .container-custom {
                padding: 0 16px;
            }
            .container-narrow {
                padding: 0 16px;
            }
            .section-heading h2 {
                font-size: 1.6rem;
            }
            .card-horizontal {
                flex-direction: column;
            }
            .card-horizontal .card-img-wrap {
                width: 100%;
                aspect-ratio: 16 / 9;
                min-height: auto;
            }
            .stat-card .stat-number {
                font-size: 2.2rem;
            }
            .data-block {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .hero-buttons .btn {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.55rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .section {
                padding: 28px 0;
            }
            .container-custom {
                padding: 0 12px;
            }
            .container-narrow {
                padding: 0 12px;
            }
            .section-heading h2 {
                font-size: 1.35rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .btn {
                padding: 11px 20px;
                font-size: 0.88rem;
            }
            .card-body h3 {
                font-size: 1rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1a1a1a;
            --color-accent: #b8945a;
            --color-accent-light: #d4b87a;
            --color-bg: #fafaf7;
            --color-white: #ffffff;
            --color-text: #1c1c1c;
            --color-text-soft: #6b6b6b;
            --color-text-light: #8a8a8a;
            --color-border: #e8e5e0;
            --color-border-light: #f0ede8;
            --color-sidebar: #141414;
            --color-sidebar-hover: #2a2a2a;
            --color-sidebar-active: #1f1f1f;
            --color-tag-bg: #f5f2ec;
            --color-tag-text: #8b7355;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-nav: 0 1px 0 rgba(255, 255, 255, 0.06);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --sidebar-width: 260px;
            --header-mobile-height: 56px;
        }

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

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

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

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

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

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

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

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            outline: none;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5 {
            font-family: var(--font-heading);
            font-weight: 600;
            line-height: 1.3;
            color: var(--color-primary);
        }

        .app-layout {
            display: flex;
            min-height: 100vh;
            flex: 1;
        }

        /* ============ SIDEBAR NAVIGATION ============ */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-sidebar);
            display: flex;
            flex-direction: column;
            z-index: 100;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            overflow-y: auto;
            overflow-x: hidden;
            transition: transform var(--transition-smooth);
        }

        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .sidebar-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .sidebar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            color: #fff;
            flex-shrink: 0;
        }

        .sidebar-nav {
            flex: 1;
            padding: 14px 0;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 24px;
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.7);
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
            position: relative;
            white-space: nowrap;
        }

        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
            color: rgba(255, 255, 255, 0.45);
            transition: color var(--transition-fast);
        }

        .sidebar-nav a:hover {
            background: var(--color-sidebar-hover);
            color: #ffffff;
            border-left-color: rgba(255, 255, 255, 0.2);
        }

        .sidebar-nav a:hover i {
            color: rgba(255, 255, 255, 0.8);
        }

        .sidebar-nav a.active {
            background: var(--color-sidebar-active);
            color: #ffffff;
            border-left-color: var(--color-accent);
            font-weight: 600;
        }

        .sidebar-nav a.active i {
            color: var(--color-accent-light);
        }

        .sidebar-footer-tag {
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 0.3px;
        }

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

        /* ============ MOBILE HEADER ============ */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-mobile-height);
            background: var(--color-sidebar);
            z-index: 99;
            align-items: center;
            padding: 0 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-header .mobile-brand {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-header .mobile-brand .brand-icon {
            width: 30px;
            height: 30px;
            border-radius: 5px;
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: #fff;
            flex-shrink: 0;
        }

        .mobile-menu-toggle {
            margin-left: auto;
            width: 38px;
            height: 38px;
            background: transparent;
            color: #ffffff;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.55);
            z-index: 98;
        }

        .mobile-menu-overlay.show {
            display: block;
        }

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

        /* ============ PAGE BANNER ============ */
        .page-banner {
            position: relative;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 20, 20, 0.78) 0%, rgba(20, 20, 20, 0.45) 50%, rgba(20, 20, 20, 0.7) 100%);
            z-index: 1;
        }

        .page-banner .banner-inner {
            position: relative;
            z-index: 2;
            padding: 60px 0;
        }

        .page-banner .banner-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(184, 148, 90, 0.25);
            border: 1px solid rgba(184, 148, 90, 0.4);
            border-radius: 20px;
            color: var(--color-accent-light);
            font-size: 0.8rem;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 18px;
        }

        .page-banner h1 {
            font-size: 2.6rem;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .page-banner .banner-sub {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            line-height: 1.6;
        }

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

        .section-alt {
            background: var(--color-white);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            color: var(--color-accent);
            letter-spacing: 1.2px;
            text-transform: uppercase;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .section-header h2 {
            font-size: 1.8rem;
            margin-bottom: 8px;
            color: var(--color-primary);
        }

        .section-header .section-desc {
            color: var(--color-text-soft);
            font-size: 1rem;
            max-width: 650px;
            line-height: 1.6;
        }

        /* ============ CARDS ============ */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
        }

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

        .card-grid.cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }

        .card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

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

        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f5f2ec;
        }

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

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

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

        .card-body .card-tag {
            font-size: 0.75rem;
            color: var(--color-tag-text);
            background: var(--color-tag-bg);
            padding: 4px 10px;
            border-radius: 12px;
            display: inline-block;
            width: fit-content;
            margin-bottom: 10px;
            letter-spacing: 0.4px;
        }

        .card-body h3 {
            font-size: 1.18rem;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-body p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin-bottom: 14px;
            flex: 1;
        }

        .card-body .card-meta {
            font-size: 0.8rem;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-accent);
            transition: gap var(--transition-fast);
        }

        .card-body .card-link:hover {
            gap: 10px;
            color: var(--color-primary);
        }

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

        /* ============ FEATURE ROW ============ */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

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

        .feature-row.reverse .feature-text {
            direction: ltr;
        }

        .feature-row.reverse .feature-img-wrap {
            direction: ltr;
        }

        .feature-img-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: #f0ede8;
        }

        .feature-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .feature-text h3 {
            font-size: 1.5rem;
            margin-bottom: 14px;
        }

        .feature-text p {
            color: var(--color-text-soft);
            line-height: 1.8;
            margin-bottom: 10px;
            font-size: 0.98rem;
        }

        .feature-text .feature-stat-row {
            display: flex;
            gap: 32px;
            margin-top: 20px;
        }

        .feature-stat-item .stat-num {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
        }

        .feature-stat-item .stat-label {
            font-size: 0.82rem;
            color: var(--color-text-light);
            margin-top: 2px;
        }

        /* ============ TIMELINE / LIST ============ */
        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .timeline-item {
            display: flex;
            gap: 20px;
            padding: 20px 24px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
        }

        .timeline-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: transparent;
        }

        .timeline-dot {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-tag-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-weight: 700;
            font-size: 0.9rem;
            font-family: var(--font-heading);
        }

        .timeline-content h4 {
            font-size: 1.05rem;
            margin-bottom: 4px;
        }

        .timeline-content p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.5;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

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

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            background: transparent;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
        }

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

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

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

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

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

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        /* ============ CTA ============ */
        .cta-block {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 44px 40px;
            text-align: center;
            color: #ffffff;
        }

        .cta-block h3 {
            font-size: 1.6rem;
            color: #ffffff;
            margin-bottom: 10px;
        }

        .cta-block p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 22px;
            font-size: 0.98rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: var(--color-accent);
            color: #ffffff;
            border-radius: 25px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: none;
        }

        .btn-primary:hover {
            background: var(--color-accent-light);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(184, 148, 90, 0.35);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-border);
            border-radius: 25px;
            font-weight: 600;
            font-size: 0.93rem;
            letter-spacing: 0.3px;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(184, 148, 90, 0.04);
        }

        /* ============ FOOTER ============ */
        .footer {
            background: var(--color-sidebar);
            color: #ffffff;
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col p {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            line-height: 1.6;
            margin: 0;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom strong {
            color: rgba(255, 255, 255, 0.7);
            font-weight: 600;
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-light);
            padding: 16px 0 0;
            flex-wrap: wrap;
        }

        .breadcrumb-row a {
            color: var(--color-text-soft);
        }

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

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

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            :root {
                --sidebar-width: 220px;
            }
            .sidebar-nav a {
                padding: 11px 18px;
                font-size: 0.85rem;
            }
            .sidebar-brand {
                padding: 22px 18px 16px;
            }
            .sidebar-brand a {
                font-size: 1.05rem;
            }
            .container-custom {
                padding: 0 24px;
            }
            .page-banner h1 {
                font-size: 2.1rem;
            }
            .card-grid.cols-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-row {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .feature-row.reverse {
                direction: ltr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section {
                padding: 40px 0;
            }
            .page-banner {
                min-height: 260px;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                width: 280px;
                box-shadow: 4px 0 24px rgba(0, 0, 0, 0.3);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .mobile-menu-overlay.show {
                display: block;
            }
            .page-banner {
                min-height: 220px;
                margin-top: var(--header-mobile-height);
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner .banner-sub {
                font-size: 0.95rem;
            }
            .container-custom {
                padding: 0 16px;
            }
            .section {
                padding: 32px 0;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .card-grid,
            .card-grid.cols-2,
            .card-grid.cols-3 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-row {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .feature-stat-row {
                flex-wrap: wrap;
                gap: 20px;
            }
            .cta-block {
                padding: 32px 20px;
            }
            .cta-block h3 {
                font-size: 1.3rem;
            }
            .timeline-item {
                flex-direction: column;
                gap: 10px;
                padding: 16px 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .breadcrumb-row {
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                min-height: 180px;
            }
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .page-banner .banner-sub {
                font-size: 0.85rem;
            }
            .sidebar {
                width: 260px;
            }
            .section-header h2 {
                font-size: 1.25rem;
            }
            .card-body h3 {
                font-size: 1.05rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 11px 20px;
                font-size: 0.85rem;
            }
            .cta-block {
                padding: 24px 16px;
                border-radius: var(--radius-md);
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1a1d2e;
            --primary-light: #252a3e;
            --accent: #bf9b4e;
            --accent-light: #d4b66a;
            --accent-dark: #9a7a38;
            --bg: #fafaf7;
            --bg-warm: #f5f3ef;
            --bg-card: #ffffff;
            --text: #2c2d35;
            --text-strong: #1a1b22;
            --text-light: #6b6d76;
            --text-muted: #8f9199;
            --border: #e8e6e1;
            --border-light: #f0efe9;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 14px;
            --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 22px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 14px 38px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 22px 56px rgba(0, 0, 0, 0.13);
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.85rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 3.5rem;
            --spacing-2xl: 5rem;
            --sidebar-width: 250px;
            --sidebar-width-tablet: 200px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --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 {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }

        /* ========== 页面布局容器 ========== */
        .page-wrapper {
            display: flex;
            flex: 1;
            min-height: 100vh;
        }

        /* ========== 左侧导航侧边栏 ========== */
        .sidebar {
            width: var(--sidebar-width);
            min-width: var(--sidebar-width);
            background: var(--primary);
            color: #e0e1e6;
            display: flex;
            flex-direction: column;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 100;
            box-shadow: var(--shadow-lg);
            transition: transform var(--transition-base);
            overflow-y: auto;
            overflow-x: hidden;
        }
        .sidebar-header {
            padding: var(--spacing-lg) var(--spacing-md);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            flex-shrink: 0;
        }
        .sidebar-logo {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: #ffffff;
            display: block;
            line-height: 1.3;
            text-align: center;
            transition: color var(--transition-fast);
        }
        .sidebar-logo:hover {
            color: var(--accent-light);
        }
        .sidebar-logo small {
            display: block;
            font-size: 0.68rem;
            font-weight: 400;
            letter-spacing: 0.06em;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 2px;
            font-family: var(--font-body);
        }
        .sidebar-nav {
            flex: 1;
            padding: var(--spacing-md) 0;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 22px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.92rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
            position: relative;
            white-space: nowrap;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            opacity: 0.7;
            transition: opacity var(--transition-fast);
        }
        .sidebar-nav a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.04);
            border-left-color: rgba(191, 155, 78, 0.5);
        }
        .sidebar-nav a:hover i {
            opacity: 1;
        }
        .sidebar-nav a.active {
            color: #ffffff;
            background: rgba(191, 155, 78, 0.13);
            border-left-color: var(--accent);
            font-weight: 600;
        }
        .sidebar-nav a.active i {
            opacity: 1;
            color: var(--accent-light);
        }
        .sidebar-footer {
            padding: var(--spacing-md);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
            text-align: center;
        }
        .sidebar-footer .badge-tag {
            display: inline-block;
            font-size: 0.7rem;
            letter-spacing: 0.05em;
            color: rgba(255, 255, 255, 0.45);
            border: 1px solid rgba(255, 255, 255, 0.18);
            padding: 5px 12px;
            border-radius: 20px;
        }

        /* ========== 右侧内容区 ========== */
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-top-nav {
            display: none;
            background: var(--primary);
            padding: 0;
            overflow-x: auto;
            white-space: nowrap;
            -webkit-overflow-scrolling: touch;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .mobile-top-nav-inner {
            display: flex;
            gap: 2px;
            padding: 8px 12px;
            min-width: max-content;
        }
        .mobile-top-nav a {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 15px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.82rem;
            font-weight: 500;
            border-radius: 20px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-top-nav a i {
            font-size: 0.75rem;
            opacity: 0.7;
        }
        .mobile-top-nav a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-top-nav a.active {
            color: #ffffff;
            background: rgba(191, 155, 78, 0.2);
            font-weight: 600;
        }
        .mobile-top-nav a.active i {
            color: var(--accent-light);
            opacity: 1;
        }
        .mobile-logo-bar {
            display: none;
            background: var(--primary);
            padding: 14px 16px;
            text-align: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .mobile-logo-bar .sidebar-logo {
            font-size: 1.1rem;
        }

        /* ========== 容器 ========== */
        .container-custom {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            width: 100%;
        }
        .container-narrow {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            width: 100%;
        }

        /* ========== 板块间距 ========== */
        .section {
            padding: var(--spacing-2xl) 0;
        }
        .section-sm {
            padding: var(--spacing-xl) 0;
        }
        .section-lg {
            padding: 4.5rem 0;
        }
        .section-divider {
            border-top: 1px solid var(--border);
        }

        /* ========== Banner ========== */
        .page-banner {
            position: relative;
            padding: var(--spacing-2xl) 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 29, 46, 0.88) 0%, rgba(26, 29, 46, 0.55) 55%, rgba(26, 29, 46, 0.35) 100%);
            z-index: 1;
        }
        .page-banner-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .page-banner .banner-eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--accent-light);
            font-weight: 600;
            margin-bottom: var(--spacing-sm);
            background: rgba(191, 155, 78, 0.12);
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid rgba(191, 155, 78, 0.25);
        }
        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            line-height: 1.2;
            margin: 0 0 var(--spacing-sm) 0;
        }
        .page-banner .banner-sub {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.6;
            max-width: 600px;
        }
        .breadcrumb-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
        }
        .breadcrumb-row a {
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--transition-fast);
        }
        .breadcrumb-row a:hover {
            color: #ffffff;
        }
        .breadcrumb-row .sep {
            opacity: 0.5;
        }

        /* ========== 标题层级 ========== */
        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-strong);
            letter-spacing: 0.02em;
            margin-bottom: var(--spacing-xs);
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.6;
            max-width: 640px;
        }
        .section-header {
            margin-bottom: var(--spacing-xl);
        }
        .section-header.centered {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        .section-header.centered .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .accent-line {
            display: inline-block;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin-bottom: var(--spacing-sm);
        }

        /* ========== 卡片网格 ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        .card-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        /* ========== 工艺卡片 ========== */
        .craft-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .craft-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--border);
        }
        .craft-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4/3;
            background: var(--bg-warm);
        }
        .craft-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .craft-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .craft-card .card-img-overlay {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
        }
        .craft-card .card-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            background: rgba(26, 29, 46, 0.8);
            color: #ffffff;
            padding: 5px 12px;
            border-radius: 16px;
        }
        .craft-card .card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .craft-card .card-title {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 6px;
            line-height: 1.35;
        }
        .craft-card .card-desc {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.55;
            flex: 1;
            margin-bottom: var(--spacing-sm);
        }
        .craft-card .card-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
            padding-top: var(--spacing-xs);
            border-top: 1px solid var(--border-light);
        }
        .craft-card .card-link {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: color var(--transition-fast);
        }
        .craft-card .card-link:hover {
            color: var(--accent);
        }
        .craft-card .card-link i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }
        .craft-card .card-link:hover i {
            transform: translateX(3px);
        }

        /* ========== 资讯列表 ========== */
        .info-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1px;
        }
        .info-list li {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: var(--spacing-md);
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-md);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            cursor: default;
        }
        .info-list li:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-xs);
            background: #fefefc;
        }
        .info-list .list-num {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-warm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--accent-dark);
            font-family: var(--font-heading);
        }
        .info-list .list-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-strong);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .info-list .list-content p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.5;
            margin: 0;
        }
        .info-list .list-content .list-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== 数据看板 ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: var(--spacing-sm);
            display: block;
        }
        .stat-card .stat-number {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--text-strong);
            line-height: 1;
            margin-bottom: 4px;
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-light);
            letter-spacing: 0.03em;
        }

        /* ========== 图文区块 ========== */
        .media-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        .media-block.reverse {
            direction: rtl;
        }
        .media-block.reverse>* {
            direction: ltr;
        }
        .media-block .media-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
            box-shadow: var(--shadow-md);
        }
        .media-block .media-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .media-block .media-img:hover img {
            transform: scale(1.04);
        }
        .media-block .media-text h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-sm);
            line-height: 1.3;
        }
        .media-block .media-text p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
        }
        .media-block .media-text .highlight-quote {
            display: block;
            padding: var(--spacing-sm) var(--spacing-md);
            background: var(--bg-warm);
            border-left: 3px solid var(--accent);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text);
            font-size: 0.95rem;
            margin-top: var(--spacing-sm);
        }

        /* ========== FAQ Accordion ========== */
        .faq-accordion .accordion-item {
            margin-bottom: 10px;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-light);
            background: var(--bg-card);
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-xs);
        }
        .faq-accordion .accordion-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-strong);
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition-fast);
            font-family: var(--font-body);
        }
        .faq-accordion .accordion-title:hover {
            color: var(--accent-dark);
        }
        .faq-accordion .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.7rem;
            color: var(--text-muted);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-accordion .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-accordion .accordion-content {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            display: none;
        }
        .faq-accordion .accordion-item.is-active .accordion-content {
            display: block;
        }
        .faq-accordion .accordion-item.is-active {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }

        /* ========== CTA ========== */
        .cta-block {
            background: var(--primary);
            border-radius: var(--radius-xl);
            padding: var(--spacing-2xl) var(--spacing-xl);
            text-align: center;
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(191, 155, 78, 0.1);
            z-index: 1;
        }
        .cta-block::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(191, 155, 78, 0.08);
            z-index: 1;
        }
        .cta-block>* {
            position: relative;
            z-index: 2;
        }
        .cta-block h3 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.02em;
        }
        .cta-block p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: var(--spacing-lg);
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .btn-accent {
            display: inline-block;
            background: var(--accent);
            color: #ffffff;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(191, 155, 78, 0.3);
        }
        .btn-accent:hover {
            background: var(--accent-light);
            color: #ffffff;
            box-shadow: 0 8px 28px rgba(191, 155, 78, 0.4);
            transform: translateY(-2px);
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(191, 155, 78, 0.3);
        }
        .btn-outline-light {
            display: inline-block;
            background: transparent;
            color: #ffffff;
            padding: 13px 30px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            border: 2px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition-base);
            cursor: pointer;
            margin-left: 10px;
        }
        .btn-outline-light:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }

        /* ========== 页脚 ========== */
        .footer {
            background: var(--primary);
            color: #e0e1e6;
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            flex-shrink: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }
        .footer-col h4 {
            color: #ffffff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
            font-family: var(--font-heading);
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
            line-height: 1.6;
        }
        .footer-bottom strong {
            color: rgba(255, 255, 255, 0.7);
            font-weight: 600;
        }

        /* ========== 按钮通用 ========== */
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.82rem;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.03em;
            display: inline-block;
            transition: all var(--transition-base);
            cursor: pointer;
            border: none;
        }
        .btn-ghost {
            background: transparent;
            color: var(--accent-dark);
            border: 1.5px solid var(--accent);
        }
        .btn-ghost:hover {
            background: var(--accent);
            color: #ffffff;
        }

        /* ========== 标签 ========== */
        .tag-pill {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            padding: 5px 14px;
            border-radius: 18px;
            background: var(--bg-warm);
            color: var(--text-light);
            border: 1px solid var(--border-light);
        }

        /* ========== 移动端侧边栏开关按钮 ========== */
        .sidebar-toggle-btn {
            display: none;
            position: fixed;
            top: 10px;
            left: 10px;
            z-index: 200;
            background: var(--primary);
            color: #ffffff;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            align-items: center;
            justify-content: center;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            :root {
                --sidebar-width: var(--sidebar-width-tablet);
            }
            .sidebar {
                width: var(--sidebar-width-tablet);
                min-width: var(--sidebar-width-tablet);
            }
            .main-content {
                margin-left: var(--sidebar-width-tablet);
            }
            .sidebar-logo {
                font-size: 1.05rem;
            }
            .sidebar-nav a {
                padding: 11px 16px;
                font-size: 0.82rem;
                gap: 8px;
            }
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }
            .card-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .media-block {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                width: 260px;
                min-width: 260px;
            }
            .sidebar.is-open {
                transform: translateX(0);
            }
            .sidebar-toggle-btn {
                display: flex;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-logo-bar {
                display: block;
            }
            .mobile-top-nav {
                display: block;
            }
            .page-banner {
                min-height: 260px;
                padding: var(--spacing-xl) 0;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .banner-sub {
                font-size: 0.9rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .card-grid.cols-2,
            .card-grid.cols-4 {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .section {
                padding: var(--spacing-xl) 0;
            }
            .section-lg {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-block {
                padding: var(--spacing-xl) var(--spacing-md);
            }
            .cta-block h3 {
                font-size: 1.4rem;
            }
            .btn-outline-light {
                display: block;
                margin-left: 0;
                margin-top: 10px;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .media-block {
                grid-template-columns: 1fr;
            }
            .breadcrumb-row {
                font-size: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner .banner-sub {
                font-size: 0.82rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: var(--spacing-md) var(--spacing-sm);
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .info-list li {
                flex-direction: column;
                gap: 8px;
            }
            .faq-accordion .accordion-title {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-accordion .accordion-content {
                padding: 0 16px 14px;
                font-size: 0.82rem;
            }
            .section-header {
                margin-bottom: var(--spacing-lg);
            }
            .container-custom,
            .container-narrow {
                padding: 0 var(--spacing-sm);
            }
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #1a1a1c;
            --color-accent: #b8944b;
            --color-accent-hover: #9c7d3c;
            --color-accent-light: #d4bc7c;
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f1ec;
            --color-bg-dark: #1a1a1c;
            --color-bg-card: #ffffff;
            --color-text: #1e1e20;
            --color-text-soft: #5c5c60;
            --color-text-light: #8a8a8e;
            --color-text-inverse: #f0f0f0;
            --color-border: #e8e6e1;
            --color-border-light: #f0eeea;
            --color-success: #3a7d5a;
            --color-tag-bg: #f7f5f0;
            --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, 0.12);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.16);
            --space-xs: 0.5rem;
            --space-sm: 0.75rem;
            --space-md: 1.25rem;
            --space-lg: 2rem;
            --space-xl: 3rem;
            --space-2xl: 4.5rem;
            --space-3xl: 6rem;
            --sidebar-width: 230px;
            --sidebar-width-lg: 250px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-heading: 'PingFang SC', 'Noto Sans SC', 'Helvetica Neue', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Noto Sans SC', 'Helvetica Neue', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
        }

        /* ============ 基础 Reset ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 600;
            line-height: 1.3;
            color: var(--color-text);
            margin-top: 0;
        }
        h1 {
            font-size: 2.6rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            margin-top: 0;
            margin-bottom: 1rem;
            color: var(--color-text-soft);
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ============ 布局容器 ============ */
        .off-canvas-wrapper {
            min-height: 100vh;
            position: relative;
            overflow-x: hidden;
        }
        .off-canvas-content {
            min-height: 100vh;
            background: var(--color-bg);
            transition: transform var(--transition-base);
        }
        .main-grid {
            display: flex;
            min-height: 100vh;
        }
        .content-area {
            flex: 1;
            min-width: 0;
            padding-bottom: 0;
        }

        /* ============ 桌面端侧边栏导航 ============ */
        .sidebar-desktop {
            display: none;
            width: var(--sidebar-width);
            min-width: var(--sidebar-width);
            background: var(--color-bg-dark);
            color: #fff;
            position: fixed;
            top: 0;
            left: 0;
            height: 100vh;
            z-index: 100;
            flex-direction: column;
            padding: var(--space-lg) var(--space-md);
            overflow-y: auto;
            box-shadow: 2px 0 24px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition-base);
        }
        @media screen and (min-width: 1024px) {
            .sidebar-desktop {
                display: flex;
                width: var(--sidebar-width-lg);
                min-width: var(--sidebar-width-lg);
            }
            .content-area {
                margin-left: var(--sidebar-width-lg);
            }
        }
        @media screen and (min-width: 768px) and (max-width: 1023px) {
            .sidebar-desktop {
                display: flex;
            }
            .content-area {
                margin-left: var(--sidebar-width);
            }
        }

        .sidebar-logo {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: #ffffff;
            text-align: center;
            padding: var(--space-md) 0 var(--space-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            margin-bottom: var(--space-lg);
            white-space: nowrap;
        }
        .sidebar-logo a {
            color: #ffffff;
            text-decoration: none;
            transition: opacity var(--transition-fast);
        }
        .sidebar-logo a:hover {
            opacity: 0.85;
            color: #ffffff;
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.92rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
            position: relative;
        }
        .sidebar-nav a i {
            width: 18px;
            text-align: center;
            font-size: 0.9rem;
            opacity: 0.75;
            transition: opacity var(--transition-fast);
        }
        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.07);
            color: #ffffff;
        }
        .sidebar-nav a:hover i {
            opacity: 1;
        }
        .sidebar-nav a.active {
            background: var(--color-accent);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(184, 148, 75, 0.35);
        }
        .sidebar-nav a.active i {
            opacity: 1;
        }
        .sidebar-nav a:focus-visible {
            outline: 2px solid var(--color-accent-light);
            outline-offset: 2px;
        }

        /* ============ 移动端顶部导航 ============ */
        .mobile-topbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 18px;
            background: var(--color-bg-dark);
            color: #fff;
            position: sticky;
            top: 0;
            z-index: 90;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        @media screen and (min-width: 768px) {
            .mobile-topbar {
                display: none;
            }
        }
        .mobile-topbar .mobile-logo {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.03em;
            color: #ffffff;
        }
        .mobile-topbar .mobile-logo a {
            color: #ffffff;
            text-decoration: none;
        }
        .hamburger-btn {
            background: none;
            border: none;
            color: #ffffff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 6px 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            line-height: 1;
        }
        .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .hamburger-btn:focus-visible {
            outline: 2px solid var(--color-accent-light);
            outline-offset: 2px;
        }

        /* ============ Off-Canvas 移动端侧栏 ============ */
        .off-canvas-mobile {
            background: var(--color-bg-dark) !important;
            color: #fff;
            padding: var(--space-lg) var(--space-md);
            width: 260px;
        }
        .off-canvas-mobile .sidebar-logo {
            text-align: left;
            padding: 0 0 var(--space-md);
            margin-bottom: var(--space-md);
            font-size: 1.2rem;
        }
        .off-canvas-mobile .sidebar-nav a {
            font-size: 0.95rem;
            padding: 12px 14px;
        }
        .off-canvas-mobile .close-offcanvas {
            position: absolute;
            top: 14px;
            right: 16px;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.4rem;
            cursor: pointer;
            opacity: 0.7;
            transition: opacity var(--transition-fast);
        }
        .off-canvas-mobile .close-offcanvas:hover {
            opacity: 1;
        }

        /* ============ 页面Banner ============ */
        .page-banner {
            position: relative;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            padding: var(--space-3xl) var(--space-lg) var(--space-2xl);
            text-align: center;
            color: #ffffff;
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 28, 0.75) 0%, rgba(26, 26, 28, 0.55) 60%, rgba(26, 26, 28, 0.7) 100%);
            z-index: 1;
        }
        .page-banner-inner {
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
        }
        .page-banner .banner-breadcrumb {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: var(--space-md);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .page-banner .banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .page-banner .banner-breadcrumb a:hover {
            color: #ffffff;
        }
        .page-banner .banner-breadcrumb span {
            margin: 0 6px;
            opacity: 0.5;
        }
        .page-banner h1 {
            color: #ffffff;
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: var(--space-md);
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }
        .page-banner .banner-subtitle {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.1rem;
            line-height: 1.6;
            max-width: 560px;
            margin: 0 auto;
        }
        @media screen and (max-width: 767px) {
            .page-banner {
                min-height: 240px;
                padding: var(--space-2xl) var(--space-md) var(--space-xl);
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ============ 内容板块通用 ============ */
        .section-block {
            padding: var(--space-2xl) var(--space-lg);
        }
        @media screen and (max-width: 767px) {
            .section-block {
                padding: var(--space-xl) var(--space-md);
            }
        }
        .section-block-alt {
            background: var(--color-bg-alt);
        }
        .section-block-dark {
            background: var(--color-bg-dark);
            color: #fff;
        }
        .section-block-dark h2,
        .section-block-dark h3,
        .section-block-dark h4 {
            color: #ffffff;
        }
        .section-block-dark p {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--space-2xl);
        }
        .section-header h2 {
            font-size: 2rem;
            margin-bottom: var(--space-sm);
            position: relative;
            display: inline-block;
        }
        .section-header h2::after {
            content: '';
            display: block;
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            margin: 10px auto 0;
            border-radius: 2px;
        }
        .section-header .section-lead {
            color: var(--color-text-soft);
            font-size: 1.05rem;
            max-width: 600px;
            margin: var(--space-sm) auto 0;
        }
        .section-block-dark .section-header .section-lead {
            color: rgba(255, 255, 255, 0.65);
        }
        .section-block-dark .section-header h2::after {
            background: var(--color-accent-light);
        }
        .container-custom {
            max-width: 1100px;
            margin: 0 auto;
            width: 100%;
        }

        /* ============ 品牌卡片网格 ============ */
        .brand-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
        }
        @media screen and (max-width: 1023px) {
            .brand-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-md);
            }
        }
        @media screen and (max-width: 600px) {
            .brand-cards-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
        }
        .brand-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .brand-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
        }
        .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-slow);
        }
        .brand-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .brand-card .card-img-wrap .brand-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            z-index: 2;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }
        .brand-card .card-body {
            padding: var(--space-md) var(--space-md) var(--space-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .brand-card .card-body h3 {
            font-size: 1.25rem;
            margin-bottom: 6px;
            font-weight: 650;
        }
        .brand-card .card-body .brand-origin {
            font-size: 0.82rem;
            color: var(--color-accent);
            font-weight: 500;
            letter-spacing: 0.03em;
            margin-bottom: 8px;
            text-transform: uppercase;
        }
        .brand-card .card-body p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.55;
            flex: 1;
            margin-bottom: var(--space-sm);
        }
        .brand-card .card-body .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
            text-decoration: none;
            margin-top: auto;
        }
        .brand-card .card-body .card-link:hover {
            gap: 10px;
            color: var(--color-accent-hover);
        }
        .brand-card .card-body .card-link i {
            font-size: 0.75rem;
        }

        /* ============ 数据亮点面板 ============ */
        .stats-panel {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-lg);
            text-align: center;
        }
        @media screen and (max-width: 1023px) {
            .stats-panel {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-md);
            }
        }
        @media screen and (max-width: 520px) {
            .stats-panel {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-sm);
            }
        }
        .stat-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: var(--space-xl) var(--space-md);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-accent-light);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
            font-family: var(--font-heading);
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 0.03em;
        }

        /* ============ 资讯列表 ============ */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-lg);
        }
        @media screen and (max-width: 767px) {
            .news-list {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
        }
        .news-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: var(--space-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
            display: flex;
            gap: var(--space-md);
            align-items: flex-start;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
            transform: translateY(-2px);
        }
        .news-item .news-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--color-tag-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.1rem;
        }
        .news-item .news-content h4 {
            font-size: 1rem;
            margin-bottom: 4px;
            font-weight: 600;
        }
        .news-item .news-content h4 a {
            color: var(--color-text);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .news-item .news-content h4 a:hover {
            color: var(--color-accent);
        }
        .news-item .news-content .news-meta {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-bottom: 4px;
        }
        .news-item .news-content p {
            font-size: 0.88rem;
            margin-bottom: 0;
        }

        /* ============ FAQ折叠 ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: var(--space-sm);
            background: var(--color-bg-card);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-xs);
        }
        .faq-item:hover {
            border-color: var(--color-accent-light);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 16px 20px;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-family: var(--font-heading);
            letter-spacing: 0.01em;
            transition: color var(--transition-fast);
            line-height: 1.4;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
            border-radius: var(--radius-md);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--color-accent);
            transition: transform var(--transition-base);
            width: 20px;
            text-align: center;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.65;
            margin: 0;
        }

        /* ============ CTA区域 ============ */
        .cta-block {
            background: linear-gradient(135deg, var(--color-bg-dark) 0%, #252528 100%);
            border-radius: var(--radius-xl);
            padding: var(--space-2xl) var(--space-xl);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(184, 148, 75, 0.12);
            pointer-events: none;
        }
        .cta-block::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(184, 148, 75, 0.08);
            pointer-events: none;
        }
        .cta-block h3 {
            color: #ffffff;
            font-size: 1.6rem;
            margin-bottom: var(--space-sm);
            position: relative;
            z-index: 2;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            max-width: 520px;
            margin: 0 auto var(--space-lg);
            position: relative;
            z-index: 2;
        }
        .btn-cta {
            display: inline-block;
            background: var(--color-accent);
            color: #ffffff;
            padding: 13px 32px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            text-decoration: none;
            transition: all var(--transition-base);
            position: relative;
            z-index: 2;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 18px rgba(184, 148, 75, 0.4);
        }
        .btn-cta:hover {
            background: var(--color-accent-hover);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(184, 148, 75, 0.5);
        }
        .btn-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(184, 148, 75, 0.35);
        }
        .btn-cta:focus-visible {
            outline: 3px solid var(--color-accent-light);
            outline-offset: 3px;
        }

        /* ============ 页脚 ============ */
        .footer {
            background: var(--color-bg-dark);
            color: #fff;
            padding: var(--space-2xl) var(--space-lg) var(--space-lg);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-xl);
            max-width: 1100px;
            margin: 0 auto;
        }
        @media screen and (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-lg);
            }
        }
        @media screen and (max-width: 600px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: var(--space-md);
            font-weight: 600;
            letter-spacing: 0.03em;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #ffffff;
        }
        .footer-bottom {
            text-align: center;
            padding-top: var(--space-xl);
            margin-top: var(--space-xl);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
            max-width: 1100px;
            margin-left: auto;
            margin-right: auto;
        }
        .footer-bottom strong {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ============ 面包屑内联 ============ */
        .inline-breadcrumb {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin-bottom: var(--space-md);
            letter-spacing: 0.02em;
        }
        .inline-breadcrumb a {
            color: var(--color-text-soft);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .inline-breadcrumb a:hover {
            color: var(--color-accent);
        }
        .inline-breadcrumb span {
            margin: 0 5px;
            opacity: 0.4;
        }
        .inline-breadcrumb .current {
            color: var(--color-accent);
            font-weight: 500;
        }

        /* ============ 标签徽章 ============ */
        .badge-tag {
            display: inline-block;
            background: var(--color-tag-bg);
            color: var(--color-accent);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            letter-spacing: 0.03em;
            border: 1px solid var(--color-border);
        }

        /* ============ 按钮变体 ============ */
        .btn-outline {
            display: inline-block;
            background: transparent;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
            padding: 10px 24px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            text-decoration: none;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .btn-outline:hover {
            background: var(--color-accent);
            color: #ffffff;
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        /* ============ 响应式微调 ============ */
        @media screen and (max-width: 767px) {
            .section-header h2 {
                font-size: 1.5rem;
            }
            .cta-block {
                padding: var(--space-xl) var(--space-md);
            }
            .cta-block h3 {
                font-size: 1.3rem;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .brand-card .card-body h3 {
                font-size: 1.1rem;
            }
        }

        /* ============ Foundation覆盖 ============ */
        .off-canvas {
            background: var(--color-bg-dark);
        }
        .off-canvas.is-open {
            box-shadow: 4px 0 30px rgba(0, 0, 0, 0.35);
        }
        .off-canvas-content.is-open-right,
        .off-canvas-content.is-open-left {
            transform: none;
        }
        button:focus {
            outline: none;
        }

        /* 覆盖Foundation默认链接样式 */
        .foundation-custom a:not(.sidebar-nav a):not(.footer-col a):not(.btn-cta):not(.btn-outline):not(.card-link):not(.news-content a):not(.banner-breadcrumb a):not(.inline-breadcrumb a):not(.sidebar-logo a):not(.mobile-logo a) {
            color: var(--color-accent);
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a1a2e;
            --color-accent: #2d6a4f;
            --color-accent-light: #40916c;
            --color-accent-pale: #d8f3dc;
            --color-bg: #fafaf8;
            --color-surface: #ffffff;
            --color-text: #1a1a2e;
            --color-text-soft: #5a5a6e;
            --color-text-muted: #8a8a9a;
            --color-border: #e5e5e0;
            --color-border-light: #f0f0eb;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(26, 26, 46, 0.06);
            --shadow-md: 0 4px 16px rgba(26, 26, 46, 0.08);
            --shadow-lg: 0 8px 32px rgba(26, 26, 46, 0.12);
            --shadow-xl: 0 14px 48px rgba(26, 26, 46, 0.16);
            --space-xs: 0.5rem;
            --space-sm: 0.75rem;
            --space-md: 1.25rem;
            --space-lg: 2rem;
            --space-xl: 3rem;
            --space-2xl: 4.5rem;
            --sidebar-width: 260px;
            --sidebar-collapsed: 72px;
            --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

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

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

        ul {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 600;
            line-height: 1.3;
            color: var(--color-primary);
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            color: #fff;
            z-index: 100;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-xl);
            transition: transform var(--transition-smooth), width var(--transition-smooth);
            overflow-y: auto;
            overflow-x: hidden;
            border-right: 1px solid rgba(255, 255, 255, 0.08);
        }

        .sidebar-logo {
            padding: var(--space-lg) var(--space-md);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            flex-shrink: 0;
        }

        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            transition: opacity var(--transition-fast);
            white-space: nowrap;
        }

        .sidebar-logo a:hover {
            opacity: 0.85;
        }

        .sidebar-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .sidebar-nav {
            flex: 1;
            padding: var(--space-md) var(--space-sm);
            display: flex;
            flex-direction: column;
            gap: 0.35rem;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.75rem 1rem;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.02em;
        }

        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateX(2px);
        }

        .sidebar-nav a.active {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(45, 106, 79, 0.35);
        }

        .sidebar-nav a.active i {
            color: #fff;
        }

        .sidebar-cta {
            padding: var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            flex-shrink: 0;
        }

        .sidebar-cta .cta-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            width: 100%;
            padding: 0.8rem 1rem;
            border-radius: var(--radius-md);
            background: var(--color-accent-light);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .sidebar-cta .cta-btn:hover {
            background: #35916b;
            box-shadow: 0 6px 20px rgba(45, 106, 79, 0.4);
            transform: translateY(-1px);
        }

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

        .mobile-nav-toggle {
            display: none;
            position: fixed;
            top: 1rem;
            left: 1rem;
            z-index: 200;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: #fff;
            font-size: 1.3rem;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition-fast);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .mobile-nav-toggle:hover {
            background: var(--color-accent);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 99;
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

        .mobile-nav-overlay.show {
            opacity: 1;
        }

        .container-custom {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 var(--space-lg);
            width: 100%;
        }

        .page-banner {
            position: relative;
            background: linear-gradient(135deg, #1a1a2e 0%, #2d3a30 40%, #1a1a2e 100%);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: var(--space-2xl) var(--space-lg);
            color: #fff;
            min-height: 320px;
            display: flex;
            align-items: center;
            border-bottom: 4px solid var(--color-accent);
            position: relative;
            overflow: hidden;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.55) 0%, rgba(26, 26, 46, 0.75) 100%);
            z-index: 1;
        }

        .page-banner .banner-inner {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .page-banner .banner-tag {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 0.35rem 1rem;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-md);
        }

        .page-banner h1 {
            font-size: 2.8rem;
            color: #fff;
            margin-bottom: var(--space-md);
            font-weight: 700;
            letter-spacing: 0.03em;
            line-height: 1.25;
        }

        .page-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 600px;
        }

        .section {
            padding: var(--space-2xl) 0;
        }

        .section-sm {
            padding: var(--space-xl) 0;
        }

        .section-header {
            margin-bottom: var(--space-xl);
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: var(--space-xs);
        }

        .section-header h2 {
            font-size: 2rem;
            color: var(--color-primary);
            margin-bottom: var(--space-sm);
            letter-spacing: 0.02em;
        }

        .section-header .section-subtitle {
            color: var(--color-text-soft);
            font-size: 1rem;
            max-width: 650px;
            line-height: 1.6;
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: var(--space-lg);
        }

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

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

        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .card-body {
            padding: var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-body .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--color-accent);
            background: var(--color-accent-pale);
            padding: 0.25rem 0.7rem;
            border-radius: 50px;
            margin-bottom: var(--space-sm);
            align-self: flex-start;
        }

        .card-body h3 {
            font-size: 1.2rem;
            margin-bottom: var(--space-sm);
            color: var(--color-primary);
            line-height: 1.4;
        }

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

        .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-accent);
            transition: all var(--transition-fast);
            margin-top: auto;
        }

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

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

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

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

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

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

        .stat-card .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-accent);
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
            line-height: 1;
            margin-bottom: var(--space-xs);
        }

        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .article-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
        }

        .article-item {
            display: flex;
            gap: var(--space-md);
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            align-items: flex-start;
        }

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

        .article-item .article-thumb {
            width: 100px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

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

        .article-item .article-info h4 {
            font-size: 1rem;
            margin-bottom: 0.3rem;
            color: var(--color-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-item .article-info .article-meta {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

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

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

        .faq-question {
            padding: var(--space-md) var(--space-lg);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-primary);
            transition: color var(--transition-fast);
            user-select: none;
            letter-spacing: 0.02em;
        }

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

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
            padding: 0 var(--space-lg);
            color: var(--color-text-soft);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--space-lg) var(--space-md);
        }

        .cta-section {
            background: linear-gradient(160deg, #1a1a2e 0%, #253528 50%, #1a1a2e 100%);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            color: #fff;
            text-align: center;
            padding: var(--space-2xl) var(--space-lg);
            border-radius: var(--radius-xl);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(26, 26, 46, 0.5);
            z-index: 1;
        }

        .cta-section>* {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: var(--space-md);
            letter-spacing: 0.03em;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: var(--space-lg);
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
            font-size: 1rem;
            line-height: 1.7;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            border-radius: 50px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(45, 106, 79, 0.3);
        }

        .btn-primary:hover {
            background: var(--color-accent-light);
            box-shadow: 0 8px 28px rgba(45, 106, 79, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            border-radius: 50px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            background: transparent;
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .footer {
            background: var(--color-primary);
            color: #fff;
            padding: var(--space-2xl) 0 var(--space-lg);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-xl);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: var(--space-md);
            letter-spacing: 0.04em;
            font-weight: 700;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
        }

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--space-md);
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
            letter-spacing: 0.02em;
        }

        .footer-bottom strong {
            color: rgba(255, 255, 255, 0.7);
            font-weight: 600;
        }

        @media (max-width: 1024px) {
            .sidebar {
                width: 220px;
                --sidebar-width: 220px;
            }

            .main-content {
                margin-left: 220px;
            }

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

            .card-grid {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            }

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

            .page-banner h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                width: 280px;
                --sidebar-width: 280px;
                box-shadow: var(--shadow-xl);
            }

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

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

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

            .mobile-nav-overlay {
                display: block;
                pointer-events: none;
            }

            .mobile-nav-overlay.show {
                pointer-events: auto;
            }

            .page-banner {
                padding: var(--space-xl) var(--space-md);
                min-height: 240px;
            }

            .page-banner h1 {
                font-size: 1.7rem;
            }

            .page-banner .banner-desc {
                font-size: 0.9rem;
            }

            .section {
                padding: var(--space-xl) 0;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-sm);
            }

            .stat-card .stat-number {
                font-size: 1.8rem;
            }

            .card-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

            .article-item {
                flex-direction: column;
            }

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

            .cta-section {
                padding: var(--space-xl) var(--space-md);
                border-radius: var(--radius-lg);
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }

            .container-custom {
                padding: 0 var(--space-md);
            }

            .faq-question {
                padding: var(--space-sm) var(--space-md);
                font-size: 0.9rem;
            }

            .faq-answer {
                padding: 0 var(--space-md);
                font-size: 0.85rem;
            }

            .faq-item.open .faq-answer {
                padding: 0 var(--space-md) var(--space-sm);
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.4rem;
            }

            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 0.5rem;
            }

            .stat-card {
                padding: var(--space-md) var(--space-sm);
            }

            .stat-card .stat-number {
                font-size: 1.5rem;
            }

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

            .card-body h3 {
                font-size: 1rem;
            }

            .section-header h2 {
                font-size: 1.3rem;
            }

            .btn-primary,
            .btn-outline {
                padding: 0.7rem 1.4rem;
                font-size: 0.85rem;
            }
        }

/* roulang page: category5 */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #6B3A2E;
            --color-primary-light: #8B5A4A;
            --color-primary-dark: #4A2018;
            --color-accent: #C8A27A;
            --color-accent-glow: #E0C5A5;
            --color-bg: #FAFAF8;
            --color-bg-warm: #F5F0EB;
            --color-bg-dark: #1C1410;
            --color-bg-card: #FFFFFF;
            --color-text: #2C241E;
            --color-text-soft: #6B5E54;
            --color-text-light: #8C7D72;
            --color-text-inverse: #F5F0EB;
            --color-border: #E5DCD3;
            --color-border-light: #F0EBE5;
            --color-success: #5C8A6E;
            --color-tag-bg: #F8F3ED;
            --color-tag-text: #8B5A4A;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --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 14px 40px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 56px rgba(0, 0, 0, 0.13);
            --space-xs: 0.4rem;
            --space-sm: 0.75rem;
            --space-md: 1.25rem;
            --space-lg: 2rem;
            --space-xl: 3rem;
            --space-2xl: 4.5rem;
            --space-3xl: 6rem;
            --sidebar-width: 260px;
            --sidebar-collapsed: 72px;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', 'SimSun', serif;
            --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
        }

        /* ============ Base Reset ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: row;
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            font-weight: 600;
            line-height: 1.3;
            font-family: var(--font-heading);
        }

        p {
            margin: 0 0 1rem;
        }

        /* ============ 侧边栏导航 (桌面端) ============ */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-bg-dark);
            color: var(--color-text-inverse);
            display: flex;
            flex-direction: column;
            z-index: 100;
            transition: transform var(--transition-smooth), width var(--transition-smooth);
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            overflow-y: auto;
            overflow-x: hidden;
            flex-shrink: 0;
        }

        .sidebar-brand {
            padding: var(--space-lg) var(--space-md);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
        }

        .sidebar-brand .logo-text {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: #fff;
            display: block;
            line-height: 1.3;
        }

        .sidebar-brand .logo-sub {
            font-size: 0.7rem;
            color: var(--color-accent);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-top: 2px;
            display: block;
        }

        .sidebar-nav {
            flex: 1;
            padding: var(--space-md) var(--space-sm);
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0.7rem 1rem;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.92rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            opacity: 0.7;
            transition: opacity var(--transition-fast);
        }

        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.07);
            color: #fff;
        }

        .sidebar-nav a:hover i {
            opacity: 1;
        }

        .sidebar-nav a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(107, 58, 46, 0.45);
        }

        .sidebar-nav a.active i {
            opacity: 1;
            color: var(--color-accent-glow);
        }

        .sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: -6px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 18px;
            background: var(--color-accent);
            border-radius: 0 3px 3px 0;
        }

        .sidebar-footer-tag {
            padding: var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.3);
            letter-spacing: 0.05em;
        }

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

        /* ============ 移动端顶部导航 ============ */
        .mobile-top-nav {
            display: none;
            position: sticky;
            top: 0;
            z-index: 99;
            background: var(--color-bg-dark);
            padding: 0.7rem var(--space-md);
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-wrap: nowrap;
        }

        .mobile-top-nav .mobile-logo {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .mobile-top-nav .mobile-nav-links {
            display: flex;
            gap: 6px;
            overflow-x: auto;
            flex-wrap: nowrap;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            padding: 0 4px;
        }

        .mobile-top-nav .mobile-nav-links::-webkit-scrollbar {
            display: none;
        }

        .mobile-top-nav .mobile-nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 0.4rem 0.7rem;
            border-radius: 20px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.7);
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            background: rgba(255, 255, 255, 0.04);
        }

        .mobile-top-nav .mobile-nav-links a i {
            font-size: 0.7rem;
        }

        .mobile-top-nav .mobile-nav-links a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .mobile-top-nav .mobile-nav-links a.active-mobile {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.4rem;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* ============ 容器 ============ */
        .container-custom {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 var(--space-lg);
            width: 100%;
        }

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

        /* ============ 板块间距 ============ */
        .section {
            padding: var(--space-2xl) 0;
        }

        .section-sm {
            padding: var(--space-xl) 0;
        }

        .section-lg {
            padding: var(--space-3xl) 0;
        }

        /* ============ Banner / Hero 分类页 ============ */
        .category-banner {
            position: relative;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            min-height: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg,
                    rgba(28, 20, 16, 0.82) 0%,
                    rgba(28, 20, 16, 0.55) 45%,
                    rgba(28, 20, 16, 0.35) 100%);
            z-index: 1;
        }

        .category-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: var(--space-3xl) 0;
            width: 100%;
        }

        .category-banner .banner-tag {
            display: inline-block;
            background: var(--color-accent);
            color: #1C1410;
            padding: 0.35rem 1rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: var(--space-md);
        }

        .category-banner h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: var(--space-sm);
            line-height: 1.2;
            font-family: var(--font-heading);
        }

        .category-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 580px;
            line-height: 1.7;
        }

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

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

        .card-lifestyle .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg-warm);
        }

        .card-lifestyle .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .card-lifestyle:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .card-lifestyle .card-img-wrap .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.7rem;
            padding: 0.3rem 0.75rem;
            border-radius: 50px;
            letter-spacing: 0.04em;
            font-weight: 600;
            z-index: 2;
        }

        .card-lifestyle .card-body {
            padding: var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-lifestyle .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--color-text);
            line-height: 1.4;
            font-family: var(--font-heading);
        }

        .card-lifestyle .card-body p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            flex: 1;
            margin-bottom: var(--space-sm);
        }

        .card-lifestyle .card-body .card-meta {
            font-size: 0.75rem;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 8px;
            padding-top: var(--space-xs);
            border-top: 1px solid var(--color-border-light);
        }

        .card-lifestyle .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-primary);
            transition: gap var(--transition-fast);
            margin-top: auto;
            padding-top: 6px;
        }

        .card-lifestyle .card-body .card-link:hover {
            gap: 10px;
            color: var(--color-primary-light);
        }

        /* ============ 特色区块 ============ */
        .feature-block {
            background: var(--color-bg-warm);
            border-radius: var(--radius-xl);
            padding: var(--space-xl) var(--space-lg);
            display: flex;
            gap: var(--space-xl);
            align-items: center;
            border: 1px solid var(--color-border);
        }

        .feature-block .feature-text {
            flex: 1;
        }

        .feature-block .feature-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            font-family: var(--font-heading);
            color: var(--color-primary-dark);
        }

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

        .feature-block .feature-icon-wrap {
            flex-shrink: 0;
            width: 100px;
            height: 100px;
            background: var(--color-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.2rem;
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        /* ============ 数据亮点卡片 ============ */
        .stat-mini-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            text-align: center;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

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

        .stat-mini-card .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
        }

        .stat-mini-card .stat-label {
            font-size: 0.8rem;
            color: var(--color-text-soft);
            margin-top: 2px;
        }

        /* ============ 列表样式 ============ */
        .insight-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .insight-list .insight-item {
            display: flex;
            align-items: flex-start;
            gap: var(--space-md);
            padding: var(--space-md);
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: default;
        }

        .insight-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
            background: #fffdfb;
        }

        .insight-item .insight-dot {
            flex-shrink: 0;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
            margin-top: 6px;
        }

        .insight-item .insight-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 2px;
            font-family: var(--font-body);
        }

        .insight-item .insight-info p {
            font-size: 0.8rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.5;
        }

        /* ============ FAQ Accordion 定制 ============ */
        .accordion-custom {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .accordion-custom .accordion-item-custom:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-xs);
        }

        .accordion-custom .accordion-title-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem var(--space-md);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            cursor: pointer;
            user-select: none;
            transition: background var(--transition-fast);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-body);
            letter-spacing: 0.01em;
        }

        .accordion-custom .accordion-title-custom:hover {
            background: var(--color-bg-warm);
        }

        .accordion-custom .accordion-title-custom .accordion-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-warm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--color-primary);
            transition: all var(--transition-bounce);
        }

        .accordion-custom .accordion-item-custom.open .accordion-icon {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: #fff;
        }

        .accordion-custom .accordion-content-custom {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 var(--space-md);
        }

        .accordion-custom .accordion-item-custom.open .accordion-content-custom {
            max-height: 400px;
            padding: 0 var(--space-md) 1rem;
        }

        .accordion-custom .accordion-content-custom p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ CTA 区域 ============ */
        .cta-section {
            background: var(--color-bg-dark);
            border-radius: var(--radius-xl);
            padding: var(--space-2xl) var(--space-xl);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(200, 162, 122, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h3 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            position: relative;
            z-index: 1;
            font-family: var(--font-heading);
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            max-width: 500px;
            margin: 0 auto var(--space-lg);
            position: relative;
            z-index: 1;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 0.8rem 2rem;
            background: var(--color-accent);
            color: #1C1410;
            font-weight: 700;
            border-radius: 50px;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-bounce);
            position: relative;
            z-index: 1;
            border: none;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-cta:hover {
            background: #fff;
            color: #1C1410;
            transform: translateY(-3px);
            box-shadow: var(--shadow-xl);
        }

        /* ============ 标签/徽章 ============ */
        .tag-pill {
            display: inline-block;
            padding: 0.3rem 0.85rem;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }

        .tag-pill:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        /* ============ 页脚 ============ */
        .footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--space-2xl) 0 var(--space-lg);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-xl);
            padding-bottom: var(--space-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: var(--space-md);
            letter-spacing: 0.03em;
            font-family: var(--font-body);
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 0.02em;
        }

        .footer-bottom strong {
            color: rgba(255, 255, 255, 0.6);
            font-weight: 600;
        }

        /* ============ 响应式断点 ============ */
        @media (max-width: 1024px) {
            .sidebar {
                display: none;
            }

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

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

            .mobile-nav-toggle {
                display: block;
            }

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

            .category-banner h1 {
                font-size: 2rem;
            }

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

            .feature-block {
                flex-direction: column;
                text-align: center;
                gap: var(--space-md);
            }

            .feature-block .feature-icon-wrap {
                width: 70px;
                height: 70px;
                font-size: 1.6rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
            }

            .container-custom,
            .container-wide {
                padding: 0 var(--space-md);
            }

            .section {
                padding: var(--space-xl) 0;
            }
        }

        @media (max-width: 768px) {
            .category-banner {
                min-height: 240px;
                background-position: center 30%;
            }

            .category-banner h1 {
                font-size: 1.6rem;
            }

            .category-banner .banner-subtitle {
                font-size: 0.85rem;
                line-height: 1.5;
            }

            .category-banner .banner-tag {
                font-size: 0.7rem;
                padding: 0.25rem 0.7rem;
            }

            .card-lifestyle .card-body h3 {
                font-size: 1rem;
            }

            .card-lifestyle .card-body p {
                font-size: 0.8rem;
            }

            .feature-block .feature-text h3 {
                font-size: 1.2rem;
            }

            .cta-section {
                padding: var(--space-xl) var(--space-md);
                border-radius: var(--radius-lg);
            }

            .cta-section h3 {
                font-size: 1.3rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

            .stat-mini-card .stat-number {
                font-size: 1.5rem;
            }

            .insight-item {
                flex-direction: column;
                gap: 6px;
                padding: var(--space-sm);
            }

            .insight-item .insight-dot {
                display: none;
            }

            .mobile-top-nav .mobile-nav-links a {
                font-size: 0.7rem;
                padding: 0.3rem 0.55rem;
            }
        }

        @media (max-width: 520px) {
            .category-banner {
                min-height: 200px;
            }

            .category-banner h1 {
                font-size: 1.35rem;
            }

            .category-banner .banner-content {
                padding: var(--space-xl) 0;
            }

            .section {
                padding: var(--space-lg) 0;
            }

            .btn-cta {
                padding: 0.65rem 1.4rem;
                font-size: 0.85rem;
            }

            .accordion-custom .accordion-title-custom {
                font-size: 0.85rem;
                padding: 0.8rem var(--space-sm);
            }

            .accordion-custom .accordion-content-custom p {
                font-size: 0.8rem;
            }
        }

        /* ============ 辅助工具类 ============ */
        .text-center {
            text-align: center;
        }
        .mb-lg {
            margin-bottom: var(--space-lg);
        }
        .mb-xl {
            margin-bottom: var(--space-xl);
        }
        .mt-lg {
            margin-top: var(--space-lg);
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }