/* roulang page: index */
:root {
            --color-primary: #1A1A2E;
            --color-accent: #C9A96E;
            --color-accent-light: #DFC89D;
            --color-accent-dark: #A6844B;
            --color-surface: #F8F6F1;
            --color-surface-alt: #F0EDE5;
            --color-muted: #6B6B7B;
            --color-text-main: #1C1C28;
            --color-text-soft: #5A5A6E;
            --color-text-inverse: #FAFAFA;
            --color-border: #E5E0D8;
            --color-border-light: #F0EDE6;
            --radius-card: 14px;
            --radius-button: 10px;
            --radius-tag: 20px;
            --radius-image: 12px;
            --shadow-card: 0 1px 2px rgba(26, 26, 46, 0.04), 0 4px 16px rgba(26, 26, 46, 0.06);
            --shadow-card-hover: 0 2px 8px rgba(26, 26, 46, 0.06), 0 8px 32px rgba(26, 26, 46, 0.10);
            --shadow-nav: 0 1px 0 rgba(26, 26, 46, 0.06), 0 4px 20px rgba(26, 26, 46, 0.04);
            --transition-smooth: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-fast: 0.18s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

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

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.7;
            color: var(--color-text-main);
            background-color: #FCFBF8;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1260px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

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

        /* 导航样式 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(252, 251, 248, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-nav);
            transition: background var(--transition-smooth);
        }

        .nav-link {
            position: relative;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-soft);
            letter-spacing: 0.02em;
            padding: 6px 2px;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

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

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

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            right: 50%;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            transition: all var(--transition-fast);
            opacity: 0;
        }

        .nav-link:hover::after {
            left: 0;
            right: 0;
            opacity: 0.6;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 11px 22px;
            border-radius: var(--radius-button);
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-button);
            white-space: nowrap;
        }

        .btn-accent:hover {
            background: var(--color-accent-dark);
            box-shadow: var(--shadow-button-hover);
            transform: translateY(-1px);
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: var(--shadow-button);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 11px 22px;
            border-radius: var(--radius-button);
            border: 1.5px solid var(--color-border);
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
            background: rgba(201, 169, 110, 0.04);
        }

        .btn-outline:active {
            transform: scale(0.98);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-accent-dark);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 16px;
            border-radius: var(--radius-button);
            transition: all var(--transition-fast);
        }

        .btn-ghost:hover {
            background: rgba(201, 169, 110, 0.08);
            color: var(--color-accent-dark);
        }

        /* 卡片样式 */
        .card-elevated {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }

        .card-elevated:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--color-border);
        }

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

        .card-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        .tag-pill {
            display: inline-block;
            padding: 5px 14px;
            font-size: 0.78rem;
            font-weight: 500;
            border-radius: var(--radius-tag);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .tag-accent {
            background: rgba(201, 169, 110, 0.14);
            color: var(--color-accent-dark);
        }

        .tag-surface {
            background: var(--color-surface-alt);
            color: var(--color-text-soft);
        }

        .tag-outline {
            background: transparent;
            border: 1px solid var(--color-border);
            color: var(--color-text-soft);
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 4px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text-main);
            gap: 16px;
            transition: color var(--transition-fast);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-surface-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition-smooth);
            color: var(--color-muted);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), padding 0.3s ease;
            padding: 0 4px;
            color: var(--color-text-soft);
            font-size: 0.93rem;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 4px 20px;
        }

        /* 移动端菜单 */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: #FCFBF8;
            z-index: 2000;
            padding: 24px;
            box-shadow: -4px 0 30px rgba(26, 26, 46, 0.15);
            transition: right var(--transition-smooth);
            overflow-y: auto;
        }

        .mobile-menu.open {
            right: 0;
        }

        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(26, 26, 46, 0.45);
            z-index: 1999;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }

        .mobile-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-nav-link {
            display: block;
            padding: 14px 0;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--color-text-main);
            border-bottom: 1px solid var(--color-border-light);
            transition: color var(--transition-fast);
        }

        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            color: var(--color-accent-dark);
        }

        /* Hero */
        .hero-overlay {
            background: linear-gradient(180deg,
                    rgba(26, 26, 46, 0.55) 0%,
                    rgba(26, 26, 46, 0.30) 40%,
                    rgba(26, 26, 46, 0.55) 100%);
        }

        /* 数据看板 */
        .stat-number {
            font-family: 'Inter', 'PingFang SC', sans-serif;
            font-weight: 700;
            letter-spacing: -0.02em;
        }

        /* 渐变文字 */
        .text-gradient-accent {
            background: linear-gradient(135deg, #C9A96E 0%, #A6844B 60%, #8B6A3D 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* 分隔线 */
        .divider-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 1.9rem;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .two-col-grid {
                grid-template-columns: 1fr;
            }
            .three-col-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .four-col-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-desktop {
                display: none;
            }
            .nav-mobile-toggle {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.55rem;
            }
            .three-col-grid,
            .four-col-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .stat-number {
                font-size: 1.35rem;
            }
            .btn-accent,
            .btn-outline {
                padding: 10px 16px;
                font-size: 0.82rem;
            }
        }

        @media (min-width: 769px) {
            .nav-desktop {
                display: flex;
            }
            .nav-mobile-toggle {
                display: none;
            }
            .mobile-menu,
            .mobile-overlay {
                display: none;
            }
        }

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

/* roulang page: category1 */
:root {
            --color-primary: #1A1A2E;
            --color-accent: #C9A96E;
            --color-accent-light: #DFC89D;
            --color-surface: #F8F6F0;
            --color-surface-alt: #F0EDE5;
            --color-muted: #6B6B7B;
            --color-muted-light: #9A9AA8;
            --color-dark: #0F0F1A;
            --color-white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.1), 0 8px 20px rgba(0, 0, 0, 0.05);
            --transition-fast: 180ms ease;
            --transition-base: 280ms ease;
            --transition-slow: 400ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

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

        body {
            font-family: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            line-height: 1.7;
            color: #2D2D3A;
            background-color: #FCFBF7;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        .container-custom {
            width: 100%;
            max-width: 1260px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1280px) {
            .container-custom {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(252, 251, 247, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            transition: box-shadow var(--transition-base);
        }

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

        .nav-desktop {
            display: none;
        }

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

        .nav-link {
            position: relative;
            font-size: 0.9rem;
            font-weight: 500;
            color: #5A5A6E;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
            border-radius: 6px;
        }

        .nav-link:hover {
            color: #1A1A2E;
            background: rgba(0, 0, 0, 0.03);
        }

        .nav-link.active {
            color: #1A1A2E;
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2.5px;
            background: #C9A96E;
            border-radius: 2px;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #C9A96E;
            color: #fff;
            font-weight: 600;
            border-radius: 24px;
            padding: 10px 22px;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            white-space: nowrap;
            box-shadow: 0 2px 10px rgba(201, 169, 110, 0.25);
        }

        .btn-accent:hover {
            background: #B8924F;
            box-shadow: 0 6px 20px rgba(201, 169, 110, 0.4);
            transform: translateY(-1px);
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.3);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            color: #1A1A2E;
            font-weight: 500;
            border: 1.5px solid #D1CFC6;
            border-radius: 24px;
            padding: 9px 20px;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: #C9A96E;
            color: #C9A96E;
            background: rgba(201, 169, 110, 0.04);
        }

        .btn-outline:active {
            background: rgba(201, 169, 110, 0.1);
        }

        .btn-sm {
            font-size: 0.85rem;
            padding: 7px 16px;
            border-radius: 20px;
        }

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

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

        /* Mobile Menu */
        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            z-index: 200;
            background: rgba(15, 15, 26, 0.6);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-base);
        }

        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: 0;
            z-index: 210;
            width: 85%;
            max-width: 400px;
            height: 100vh;
            background: #FCFBF7;
            box-shadow: var(--shadow-xl);
            transform: translateX(100%);
            transition: transform var(--transition-slow);
            display: flex;
            flex-direction: column;
            padding: 24px 20px;
            overflow-y: auto;
        }

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

        .mobile-menu-close {
            align-self: flex-end;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: #F0EDE5;
            color: #5A5A6E;
            font-size: 1.2rem;
            transition: all var(--transition-fast);
        }

        .mobile-menu-close:hover {
            background: #E5E0D8;
            color: #1A1A2E;
        }

        .mobile-nav-link {
            display: block;
            padding: 14px 16px;
            font-size: 1.05rem;
            font-weight: 500;
            color: #3D3D50;
            border-radius: 10px;
            transition: all var(--transition-fast);
            border-bottom: 1px solid rgba(0, 0, 0, 0.04);
        }

        .mobile-nav-link:hover {
            background: #F8F6F0;
            color: #1A1A2E;
        }

        .mobile-nav-link.active {
            background: #F8F6F0;
            color: #1A1A2E;
            font-weight: 600;
            border-left: 3px solid #C9A96E;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: #9A9AA8;
            padding: 16px 0;
        }

        .breadcrumb a {
            color: #6B6B7B;
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: #C9A96E;
        }

        .breadcrumb .separator {
            color: #C5C3B8;
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: #1A1A2E;
            font-weight: 500;
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.75) 0%, rgba(26, 26, 46, 0.45) 60%, rgba(26, 26, 46, 0.2) 100%);
            z-index: 1;
        }

        .page-banner-content {
            position: relative;
            z-index: 2;
            padding: 40px 28px;
            max-width: 700px;
        }

        @media (min-width: 768px) {
            .page-banner {
                min-height: 340px;
            }
            .page-banner-content {
                padding: 48px 40px;
            }
        }

        /* Card */
        .card-article {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            border: 1px solid rgba(0, 0, 0, 0.05);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .card-article:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(201, 169, 110, 0.2);
        }

        .card-article-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #F0EDE5;
        }

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

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

        .card-article-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(26, 26, 46, 0.85);
            color: #DFC89D;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            backdrop-filter: blur(6px);
        }

        .card-article-body {
            padding: 20px 18px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-article-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #1A1A2E;
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-article-body h3 a {
            color: inherit;
            transition: color var(--transition-fast);
        }

        .card-article-body h3 a:hover {
            color: #C9A96E;
        }

        .card-article-excerpt {
            font-size: 0.88rem;
            color: #6B6B7B;
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .card-article-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: #9A9AA8;
            padding-top: 10px;
            border-top: 1px solid #F0EDE5;
        }

        .card-article-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* Tag */
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            font-size: 0.82rem;
            font-weight: 500;
            border-radius: 20px;
            background: #F8F6F0;
            color: #5A5A6E;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .tag:hover {
            background: #F0EDE5;
            color: #1A1A2E;
            border-color: #D1CFC6;
        }

        .tag.active-tag {
            background: #1A1A2E;
            color: #DFC89D;
            border-color: #1A1A2E;
        }

        /* Pagination */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 10px;
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: 10px;
            transition: all var(--transition-fast);
            color: #5A5A6E;
            background: transparent;
            border: 1px solid transparent;
        }

        .pagination a:hover {
            background: #F8F6F0;
            color: #1A1A2E;
            border-color: #E5E0D8;
        }

        .pagination .active-page {
            background: #1A1A2E;
            color: #DFC89D;
            font-weight: 600;
            border-color: #1A1A2E;
        }

        .pagination .disabled {
            color: #C5C3B8;
            pointer-events: none;
        }

        /* Stats */
        .stat-block {
            text-align: center;
            padding: 20px 16px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(0, 0, 0, 0.05);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

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

        .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: #1A1A2E;
            letter-spacing: -0.02em;
            font-family: 'Noto Serif SC', 'STSong', serif;
        }

        .stat-label {
            font-size: 0.85rem;
            color: #6B6B7B;
            margin-top: 4px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(160deg, #1A1A2E 0%, #252540 50%, #1A1A2E 100%);
            border-radius: var(--radius-xl);
            padding: 48px 28px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.08);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.06);
            pointer-events: none;
        }

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

        /* Footer */
        .footer-grid a {
            transition: color var(--transition-fast);
        }

        .footer-grid a:hover {
            color: #DFC89D !important;
        }

        /* Skeleton / loading feel removal */
        @media (max-width: 767px) {
            .page-banner {
                min-height: 220px;
                border-radius: var(--radius-lg);
            }
            .page-banner-content {
                padding: 28px 18px;
            }
            .card-article-body h3 {
                font-size: 1rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 32px 18px;
                border-radius: var(--radius-lg);
            }
        }

        @media (min-width: 768px) and (max-width: 1023px) {
            .page-banner {
                min-height: 300px;
            }
            .card-article-body h3 {
                font-size: 1.05rem;
            }
        }

        /* Focus visible */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid #C9A96E;
            outline-offset: 3px;
            border-radius: 4px;
        }

/* roulang page: category3 */
:root {
            --color-primary: #1A1A2E;
            --color-accent: #C9A96E;
            --color-accent-light: #DFC89D;
            --color-accent-subtle: #F5EDDE;
            --color-bg: #FAF8F5;
            --color-bg-warm: #F0EDE5;
            --color-bg-dark: #1A1A2E;
            --color-text: #2D2D3A;
            --color-text-soft: #5A5A6E;
            --color-text-muted: #8B8B9A;
            --color-border: #E5E0D8;
            --color-border-light: #EDE9E2;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(26, 26, 46, 0.04);
            --shadow-md: 0 4px 16px rgba(26, 26, 46, 0.07);
            --shadow-lg: 0 8px 32px rgba(26, 26, 46, 0.10);
            --shadow-xl: 0 16px 48px rgba(26, 26, 46, 0.13);
            --space-xs: 0.5rem;
            --space-sm: 0.75rem;
            --space-md: 1rem;
            --space-lg: 1.5rem;
            --space-xl: 2rem;
            --space-2xl: 3rem;
            --space-3xl: 4rem;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-serif: 'Noto Serif SC', 'STSong', 'Georgia', 'Times New Roman', serif;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

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

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

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

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

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

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

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

        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 640px) {
            .container-custom {
                padding-left: 1.75rem;
                padding-right: 1.75rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }
        @media (min-width: 1280px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(250, 248, 245, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

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

        .nav-link {
            position: relative;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
            border-radius: var(--radius-sm);
        }
        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(201, 169, 110, 0.06);
        }
        .nav-link.active {
            color: var(--color-accent);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-accent);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            border-radius: 50px;
            padding: 0.6rem 1.4rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            font-size: 0.9rem;
        }
        .btn-accent:hover {
            background: #B8943D;
            box-shadow: 0 6px 22px rgba(201, 169, 110, 0.35);
            transform: translateY(-1px);
        }
        .btn-accent:active {
            transform: scale(0.97);
            transition: transform 0.1s ease;
        }
        .btn-accent:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            border-radius: 50px;
            padding: 0.55rem 1.35rem;
            letter-spacing: 0.02em;
            border: 2px solid var(--color-border);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            font-size: 0.9rem;
        }
        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: var(--color-accent-subtle);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline:active {
            transform: scale(0.97);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--color-text-soft);
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            transition: all var(--transition-fast);
            font-size: 0.9rem;
            background: transparent;
        }
        .btn-ghost:hover {
            color: var(--color-accent);
            background: var(--color-accent-subtle);
        }

        /* Mobile nav */
        .nav-mobile-toggle {
            display: flex;
        }
        @media (min-width: 1024px) {
            .nav-mobile-toggle {
                display: none;
            }
        }

        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(26, 26, 46, 0.55);
            z-index: 200;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }
        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: 0;
            width: 85%;
            max-width: 380px;
            height: 100%;
            background: #fff;
            z-index: 201;
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
            box-shadow: -8px 0 32px rgba(26, 26, 46, 0.18);
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }
        .mobile-menu-panel.open {
            transform: translateX(0);
        }

        .mobile-menu-panel .nav-link {
            display: block;
            padding: 0.9rem 1.5rem;
            font-size: 1rem;
            border-bottom: 1px solid var(--color-border-light);
            border-radius: 0;
            color: var(--color-text);
            font-weight: 500;
        }
        .mobile-menu-panel .nav-link.active {
            color: var(--color-accent);
            font-weight: 600;
            background: var(--color-accent-subtle);
        }
        .mobile-menu-panel .nav-link.active::after {
            display: none;
        }

        /* Section */
        .section-gap {
            padding-top: var(--space-3xl);
            padding-bottom: var(--space-3xl);
        }
        @media (max-width: 767px) {
            .section-gap {
                padding-top: var(--space-2xl);
                padding-bottom: var(--space-2xl);
            }
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            line-height: 1.3;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 2.15rem;
            }
        }
        @media (min-width: 1024px) {
            .section-title {
                font-size: 2.4rem;
            }
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            letter-spacing: 0.02em;
            max-width: 600px;
            line-height: 1.7;
        }

        /* Badge */
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.78rem;
            font-weight: 500;
            padding: 0.35rem 0.85rem;
            border-radius: 50px;
            background: var(--color-bg-warm);
            color: var(--color-text-soft);
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .badge-tag:hover {
            background: var(--color-accent-subtle);
            color: var(--color-accent);
        }
        .badge-tag.accent {
            background: var(--color-accent-subtle);
            color: #8B6914;
            font-weight: 600;
        }

        /* Card */
        .card-design {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .card-design:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-design .card-image-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--color-bg-warm);
        }
        .card-design .card-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-design:hover .card-image-wrap img {
            transform: scale(1.06);
        }
        .card-design .card-body {
            padding: 1.25rem 1.25rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-design .card-title {
            font-weight: 650;
            font-size: 1.05rem;
            color: var(--color-primary);
            margin-bottom: 0.4rem;
            line-height: 1.4;
            letter-spacing: 0.01em;
        }
        .card-design .card-desc {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 0.75rem;
        }
        .card-design .card-meta {
            font-size: 0.78rem;
            color: var(--color-text-soft);
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        /* Card horizontal */
        .card-horizontal {
            display: flex;
            gap: 1.25rem;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 1.25rem;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            align-items: flex-start;
        }
        .card-horizontal:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }
        .card-horizontal .card-h-img {
            width: 100px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-bg-warm);
        }
        @media (min-width: 640px) {
            .card-horizontal .card-h-img {
                width: 140px;
                height: 105px;
            }
        }
        .card-horizontal .card-h-content {
            flex: 1;
            min-width: 0;
        }
        .card-horizontal .card-h-title {
            font-weight: 650;
            font-size: 0.95rem;
            color: var(--color-primary);
            margin-bottom: 0.3rem;
            line-height: 1.4;
        }
        .card-horizontal .card-h-desc {
            font-size: 0.83rem;
            color: var(--color-text-muted);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Hero Banner */
        .hero-banner {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
            overflow: hidden;
        }
        @media (min-width: 768px) {
            .hero-banner {
                min-height: 420px;
            }
        }
        @media (min-width: 1024px) {
            .hero-banner {
                min-height: 480px;
                border-radius: 0 0 40px 40px;
            }
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.25) 0%, rgba(26, 26, 46, 0.55) 60%, rgba(26, 26, 46, 0.72) 100%);
            z-index: 1;
        }
        .hero-banner .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 2rem 0;
        }
        .hero-banner .hero-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            background: rgba(255, 255, 255, 0.18);
            padding: 0.4rem 1rem;
            border-radius: 50px;
            margin-bottom: 1rem;
            backdrop-filter: blur(4px);
        }
        .hero-banner .hero-title {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            line-height: 1.25;
            margin-bottom: 0.75rem;
        }
        @media (min-width: 768px) {
            .hero-banner .hero-title {
                font-size: 2.6rem;
            }
        }
        @media (min-width: 1024px) {
            .hero-banner .hero-title {
                font-size: 3rem;
            }
        }
        .hero-banner .hero-desc {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 520px;
            line-height: 1.7;
        }

        /* Stats row */
        .stat-item {
            text-align: center;
            padding: 0.75rem;
        }
        .stat-item .stat-number {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.02em;
            line-height: 1.1;
        }
        @media (min-width: 768px) {
            .stat-item .stat-number {
                font-size: 2.4rem;
            }
        }
        .stat-item .stat-label {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-top: 0.3rem;
            letter-spacing: 0.02em;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            background: #fff;
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-item summary {
            padding: 1.1rem 1.25rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            letter-spacing: 0.01em;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-item .faq-body {
            padding: 0 1.25rem 1.25rem;
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            letter-spacing: 0.01em;
        }

        /* Footer */
        .footer-grid a {
            transition: color var(--transition-fast);
        }
        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem 1rem;
            }
            .footer-grid>div:first-child {
                grid-column: 1 / -1;
            }
        }

        /* Divider */
        .divider-dot {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            justify-content: center;
        }
        .divider-dot span {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--color-accent);
            opacity: 0.5;
        }
        .divider-dot span:nth-child(2) {
            width: 7px;
            height: 7px;
            opacity: 0.75;
        }
        .divider-dot span:nth-child(3) {
            width: 5px;
            height: 5px;
            opacity: 0.5;
        }

        /* Tag cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        .tag-pill {
            padding: 0.45rem 1.05rem;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: 1.5px solid var(--color-border);
            background: #fff;
            color: var(--color-text-soft);
            white-space: nowrap;
        }
        .tag-pill:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: var(--color-accent-subtle);
            box-shadow: var(--shadow-sm);
        }
        .tag-pill.active-tag {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            font-weight: 600;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            letter-spacing: 0.02em;
        }
        .breadcrumb a {
            color: var(--color-text-soft);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .sep {
            color: var(--color-border);
            font-size: 0.7rem;
        }

        /* Scroll reveal simple */
        @media (prefers-reduced-motion: no-preference) {
            .reveal-on-scroll {
                opacity: 0;
                transform: translateY(24px);
                transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
            }
            .reveal-on-scroll.visible {
                opacity: 1;
                transform: translateY(0);
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1A1A2E;
            --color-accent: #C9A96E;
            --color-accent-light: #DFC89D;
            --color-accent-subtle: #F5EDDB;
            --color-bg: #FAF8F5;
            --color-bg-alt: #F0EDE5;
            --color-surface: #FFFFFF;
            --color-text: #1A1A2E;
            --color-text-soft: #5A5A6E;
            --color-text-muted: #8A8A9A;
            --color-border: #E5E0D8;
            --color-border-light: #EDE9E2;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.04);
            --shadow-md: 0 6px 24px rgba(26, 26, 46, 0.07);
            --shadow-lg: 0 12px 40px rgba(26, 26, 46, 0.10);
            --shadow-xl: 0 20px 56px rgba(26, 26, 46, 0.13);
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.75rem;
            --spacing-md: 1.25rem;
            --spacing-lg: 2rem;
            --spacing-xl: 3rem;
            --spacing-2xl: 5rem;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            font-size: 16px;
            letter-spacing: 0.01em;
        }

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

        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        @media (min-width: 1280px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (max-width: 767px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: 0 1px 8px rgba(26, 26, 46, 0.04);
            transition: box-shadow var(--transition-smooth), background var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(26, 26, 46, 0.08);
            background: rgba(255, 255, 255, 0.96);
        }

        .nav-desktop {
            display: flex;
        }
        @media (max-width: 1023px) {
            .nav-desktop {
                display: none;
            }
        }

        .nav-link {
            position: relative;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .nav-link:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }
        .nav-link.active {
            color: var(--color-accent);
            font-weight: 600;
            background: transparent;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2.5px;
            border-radius: 999px;
            background: var(--color-accent);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            border-radius: 999px;
            padding: 0.65rem 1.5rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 12px rgba(201, 169, 110, 0.25);
            white-space: nowrap;
        }
        .btn-accent:hover {
            background: #B8923D;
            box-shadow: 0 6px 22px rgba(201, 169, 110, 0.38);
            transform: translateY(-1px);
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.2);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            font-weight: 600;
            border-radius: 999px;
            padding: 0.6rem 1.5rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            white-space: nowrap;
            background: transparent;
        }
        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            background: transparent;
            padding: 0.35rem 0;
            border-bottom: 2px solid transparent;
        }
        .btn-ghost:hover {
            border-bottom-color: var(--color-accent);
            gap: 0.6rem;
        }
        .btn-ghost i {
            transition: transform var(--transition-fast);
        }
        .btn-ghost:hover i {
            transform: translateX(3px);
        }

        .card-elevated {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }
        .card-elevated:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .card-report {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            padding: 1.75rem;
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
        }
        .card-report:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent-light);
            transform: translateY(-2px);
        }

        .tag-pill {
            display: inline-flex;
            align-items: center;
            padding: 0.35rem 1rem;
            border-radius: 999px;
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            background: var(--color-accent-subtle);
            color: #8B6914;
            cursor: default;
            white-space: nowrap;
        }
        .tag-pill:hover {
            background: #E8D9B8;
            color: #6B4F10;
        }
        .tag-pill.hot {
            background: #FFF0EB;
            color: #C0392B;
        }
        .tag-pill.new {
            background: #E8F4F0;
            color: #1A6B4F;
        }

        .data-stat {
            text-align: center;
            padding: 1.5rem 1rem;
        }
        .data-stat .stat-value {
            font-size: 2.6rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--color-primary);
            line-height: 1.1;
        }
        .data-stat .stat-label {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            margin-top: 0.4rem;
            letter-spacing: 0.03em;
        }

        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(26, 26, 46, 0.55);
            z-index: 200;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }
        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            background: #fff;
            z-index: 201;
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
            box-shadow: var(--shadow-xl);
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            overflow-y: auto;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer .mobile-nav-link {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
        }
        .mobile-drawer .mobile-nav-link:hover,
        .mobile-drawer .mobile-nav-link.active {
            background: var(--color-accent-subtle);
            color: var(--color-accent);
            font-weight: 600;
        }
        .mobile-drawer .mobile-close-btn {
            align-self: flex-end;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--color-bg-alt);
            color: var(--color-text-soft);
            font-size: 1.2rem;
            transition: all var(--transition-fast);
        }
        .mobile-drawer .mobile-close-btn:hover {
            background: #e0dcd4;
            color: var(--color-primary);
        }

        .banner-section {
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            border-radius: var(--radius-xl);
            overflow: hidden;
            margin-top: 1.5rem;
        }
        .banner-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.72) 0%, rgba(26, 26, 46, 0.35) 50%, rgba(26, 26, 46, 0.55) 100%);
            z-index: 1;
        }
        .banner-section .banner-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 3rem 2rem;
            max-width: 700px;
        }
        @media (max-width: 767px) {
            .banner-section {
                min-height: 280px;
                border-radius: var(--radius-lg);
                margin-top: 0.75rem;
            }
            .banner-section .banner-content {
                padding: 2rem 1.25rem;
            }
        }

        .section-spacing {
            padding: 3.5rem 0;
        }
        @media (max-width: 767px) {
            .section-spacing {
                padding: 2.25rem 0;
            }
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 0.75rem;
        }
        .section-label::before {
            content: '';
            width: 28px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 999px;
        }

        .article-card-image {
            aspect-ratio: 16 / 10;
            object-fit: cover;
            width: 100%;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            transition: transform var(--transition-smooth);
        }
        .card-elevated:hover .article-card-image {
            transform: scale(1.03);
        }

        .footer-grid a {
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }
        .footer-grid a:hover {
            padding-left: 2px;
        }

        @media (max-width: 1023px) {
            .nav-desktop {
                display: none;
            }
            .nav-mobile-toggle {
                display: flex;
            }
        }
        @media (min-width: 1024px) {
            .nav-mobile-toggle {
                display: none;
            }
        }

        @media (max-width: 767px) {
            .data-stat .stat-value {
                font-size: 2rem;
            }
            .banner-section {
                min-height: 240px;
            }
            .card-report {
                padding: 1.25rem;
            }
        }

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

        .insight-list-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1rem 1.25rem;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            cursor: default;
        }
        .insight-list-item:hover {
            background: var(--color-surface);
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-sm);
        }
        .insight-list-item .list-marker {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
            margin-top: 0.5rem;
        }

/* roulang page: category2 */
:root {
            --color-primary: #1A1A2E;
            --color-accent: #C9A96E;
            --color-accent-light: #DFC89D;
            --color-accent-subtle: #F5EDDF;
            --color-bg: #FAFAF8;
            --color-bg-card: #FFFFFF;
            --color-bg-muted: #F0EDE5;
            --color-text: #2D2D3A;
            --color-text-soft: #6B6B7B;
            --color-text-light: #9A9AAA;
            --color-border: #E8E5DC;
            --color-border-light: #F2EFE8;
            --radius-xs: 4px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(26, 26, 46, 0.04);
            --shadow-sm: 0 2px 8px 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, 0.10);
            --shadow-xl: 0 16px 48px rgba(26, 26, 46, 0.12);
            --space-xs: 4px;
            --space-sm: 8px;
            --space-md: 16px;
            --space-lg: 24px;
            --space-xl: 32px;
            --space-2xl: 48px;
            --space-3xl: 64px;
            --space-4xl: 80px;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

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

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

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

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

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

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

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

        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 var(--space-lg);
        }

        @media (min-width: 768px) {
            .container-custom {
                padding: 0 var(--space-xl);
            }
        }
        @media (min-width: 1200px) {
            .container-custom {
                padding: 0 var(--space-2xl);
            }
        }

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

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

        .nav-link {
            position: relative;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .nav-link:hover {
            color: var(--color-primary);
            background: var(--color-bg-muted);
        }
        .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
            background: var(--color-accent-subtle);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2.5px;
            border-radius: 2px;
            background: var(--color-accent);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.3);
        }
        .btn-accent:hover {
            background: #B8955A;
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.45);
            transform: translateY(-1px);
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(201, 169, 110, 0.3);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
            color: var(--color-primary);
            background: transparent;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }
        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: var(--color-accent-subtle);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 500;
            color: var(--color-text-soft);
            background: transparent;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .btn-ghost:hover {
            color: var(--color-primary);
            background: var(--color-bg-muted);
        }

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

        /* 移动端菜单 */
        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            z-index: 200;
            background: rgba(26, 26, 46, 0.55);
            display: none;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .mobile-menu-overlay.open {
            display: block;
            opacity: 1;
        }
        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 85%;
            max-width: 380px;
            z-index: 210;
            background: #fff;
            box-shadow: var(--shadow-xl);
            transform: translateX(100%);
            transition: transform var(--transition-slow);
            display: flex;
            flex-direction: column;
            padding: var(--space-xl);
            overflow-y: auto;
        }
        .mobile-menu-panel.open {
            transform: translateX(0);
        }
        .mobile-menu-panel .mobile-nav-link {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            border-bottom: 1px solid var(--color-border-light);
        }
        .mobile-menu-panel .mobile-nav-link:hover {
            background: var(--color-bg-muted);
            color: var(--color-primary);
        }
        .mobile-menu-panel .mobile-nav-link.active {
            color: var(--color-accent);
            font-weight: 600;
            background: var(--color-accent-subtle);
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.8rem;
            color: var(--color-text-light);
            padding: var(--space-md) 0;
        }
        .breadcrumb a {
            color: var(--color-text-soft);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .separator {
            color: var(--color-border);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        /* 卡片 */
        .card-article {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
            display: flex;
            flex-direction: column;
        }
        .card-article:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-article .card-image-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg-muted);
        }
        .card-article .card-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-article:hover .card-image-wrap img {
            transform: scale(1.04);
        }
        .card-article .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(26, 26, 46, 0.75);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            letter-spacing: 0.04em;
            backdrop-filter: blur(4px);
        }
        .card-article .card-body {
            padding: var(--space-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .card-article .card-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-article .card-desc {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-article .card-meta {
            font-size: 0.75rem;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: auto;
            padding-top: 4px;
        }

        /* 精选专题卡片 */
        .card-featured {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--color-bg-muted);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .card-featured:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .card-featured img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-featured:hover img {
            transform: scale(1.05);
        }
        .card-featured .featured-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 35%, rgba(26, 26, 46, 0.7) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: var(--space-xl);
        }
        .card-featured .featured-tag {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            letter-spacing: 0.04em;
            width: fit-content;
            margin-bottom: 8px;
        }
        .card-featured .featured-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
        }
        .card-featured .featured-subtitle {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 4px;
        }

        /* 统计数字 */
        .stat-block {
            text-align: center;
            padding: var(--space-lg);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--color-bg-card);
            transition: all var(--transition-fast);
            margin-bottom: 10px;
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--space-lg);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            cursor: pointer;
            transition: color var(--transition-fast);
            gap: 12px;
            letter-spacing: 0.02em;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--color-text-soft);
            transition: all var(--transition-base);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--color-accent);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 var(--space-lg);
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--space-lg) var(--space-lg);
        }

        /* CTA区块 */
        .cta-section {
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            padding: var(--space-3xl) var(--space-xl);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.12);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.08);
            pointer-events: none;
        }

        /* 响应式 */
        @media (max-width: 1023px) {
            .card-article .card-title {
                font-size: 0.95rem;
            }
            .card-featured .featured-title {
                font-size: 1.1rem;
            }
            .stat-number {
                font-size: 2rem;
            }
            .cta-section {
                padding: var(--space-2xl) var(--space-lg);
                border-radius: var(--radius-lg);
            }
        }
        @media (max-width: 767px) {
            .card-article .card-body {
                padding: var(--space-md);
            }
            .card-article .card-title {
                font-size: 0.9rem;
            }
            .card-featured {
                aspect-ratio: 4 / 3;
            }
            .card-featured .featured-overlay {
                padding: var(--space-md);
            }
            .card-featured .featured-title {
                font-size: 1rem;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-block {
                padding: var(--space-md);
            }
            .faq-question {
                font-size: 0.88rem;
                padding: var(--space-md);
            }
            .cta-section {
                padding: var(--space-xl) var(--space-md);
                border-radius: var(--radius-md);
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        @media (max-width: 520px) {
            .card-article .card-image-wrap {
                aspect-ratio: 4 / 3;
            }
            .card-featured {
                aspect-ratio: 1 / 1;
            }
            .card-featured .featured-title {
                font-size: 0.9rem;
            }
            .stat-number {
                font-size: 1.4rem;
            }
        }

        /* 图片加载占位 */
        .img-placeholder {
            background: var(--color-bg-muted);
        }

/* roulang page: category4 */
:root {
            --color-primary: #1A1A2E;
            --color-accent: #C9A96E;
            --color-accent-hover: #B8944F;
            --color-accent-light: #DFC89D;
            --color-bg: #FAF9F6;
            --color-bg-alt: #F0EDE5;
            --color-bg-warm: #F5F2EC;
            --color-text: #1A1A2E;
            --color-text-soft: #5A5A6E;
            --color-text-muted: #8A8A9A;
            --color-border: #E5E0D8;
            --color-border-light: #EDEAE4;
            --color-white: #FFFFFF;
            --color-card-bg: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --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, 0.10);
            --shadow-xl: 0 16px 48px rgba(26, 26, 46, 0.12);
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.75rem;
            --spacing-md: 1rem;
            --spacing-lg: 1.5rem;
            --spacing-xl: 2rem;
            --spacing-2xl: 3rem;
            --spacing-3xl: 4rem;
            --spacing-4xl: 5rem;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s 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;
            text-rendering: optimizeLegibility;
        }

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

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

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

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

        input {
            font-family: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

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

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

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

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

        .nav-desktop {
            display: none;
        }

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

        .nav-link {
            position: relative;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
            border-radius: var(--radius-sm);
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(26, 26, 46, 0.04);
        }

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

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2.5px;
            background: var(--color-accent);
            border-radius: var(--radius-full);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: var(--color-accent);
            color: #FFFFFF;
            font-weight: 600;
            border-radius: var(--radius-full);
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-accent:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 20px rgba(201, 169, 110, 0.35);
            transform: translateY(-1px);
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.25);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-full);
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(201, 169, 110, 0.04);
        }

        .btn-outline:active {
            background: rgba(201, 169, 110, 0.08);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            background: transparent;
            color: var(--color-text-soft);
            font-weight: 500;
            border-radius: var(--radius-full);
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            white-space: nowrap;
            padding: 0.5rem 1rem;
        }

        .btn-ghost:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary);
        }

        /* 移动端菜单 */
        .nav-mobile-toggle {
            display: flex;
        }

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

        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            z-index: 200;
            background: rgba(26, 26, 46, 0.6);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }

        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: 0;
            z-index: 210;
            width: 320px;
            max-width: 85vw;
            height: 100vh;
            background: var(--color-white);
            box-shadow: var(--shadow-xl);
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
            overflow-y: auto;
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
        }

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

        .mobile-menu-close {
            align-self: flex-end;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            background: var(--color-bg-alt);
            color: var(--color-text-soft);
            font-size: 1.2rem;
            transition: all var(--transition-fast);
        }

        .mobile-menu-close:hover {
            background: #e8e4db;
            color: var(--color-primary);
        }

        .mobile-nav-link {
            display: block;
            padding: 0.85rem 1rem;
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .mobile-nav-link:hover {
            background: var(--color-bg-alt);
            color: var(--color-accent);
        }

        .mobile-nav-link.active {
            background: rgba(201, 169, 110, 0.1);
            color: var(--color-accent);
            font-weight: 600;
        }

        /* 板块间距 */
        .section-spacing {
            padding-top: var(--spacing-3xl);
            padding-bottom: var(--spacing-3xl);
        }

        @media (min-width: 768px) {
            .section-spacing {
                padding-top: var(--spacing-4xl);
                padding-bottom: var(--spacing-4xl);
            }
        }

        .section-spacing-sm {
            padding-top: var(--spacing-2xl);
            padding-bottom: var(--spacing-2xl);
        }

        @media (min-width: 768px) {
            .section-spacing-sm {
                padding-top: var(--spacing-3xl);
                padding-bottom: var(--spacing-3xl);
            }
        }

        /* 卡片 */
        .card {
            background: var(--color-card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }

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

        .card-image-wrapper {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
        }

        .card-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        .card-image-wrapper::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(26, 26, 46, 0.15) 100%);
            pointer-events: none;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 0.3rem 0.75rem;
            font-size: 0.78rem;
            font-weight: 500;
            border-radius: var(--radius-full);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .tag-accent {
            background: rgba(201, 169, 110, 0.12);
            color: #8B6914;
        }

        .tag-outline {
            background: transparent;
            border: 1px solid var(--color-border);
            color: var(--color-text-soft);
        }

        .tag-dark {
            background: rgba(26, 26, 46, 0.07);
            color: var(--color-text-soft);
        }

        /* 统计数字 */
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.1;
            color: var(--color-accent);
            font-family: 'Noto Serif SC', 'STSong', serif;
        }

        @media (min-width: 768px) {
            .stat-number {
                font-size: 3rem;
            }
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 1.25rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--color-border-light);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--color-bg-alt);
            transition: all var(--transition-fast);
            font-size: 0.8rem;
            color: var(--color-text-soft);
        }

        .faq-item:hover .faq-icon {
            background: rgba(201, 169, 110, 0.15);
            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-top 0.4s ease;
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.75;
            padding-right: 2.5rem;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding-top: 0.75rem;
        }

        .faq-item.active .faq-icon {
            background: rgba(201, 169, 110, 0.2);
            color: var(--color-accent);
            transform: rotate(45deg);
        }

        /* 分隔线 */
        .divider {
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            border-radius: var(--radius-full);
            margin-bottom: 1rem;
        }

        .divider-center {
            margin-left: auto;
            margin-right: auto;
        }

        /* 区块标题 */
        .section-eyebrow {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--color-primary);
            line-height: 1.25;
            font-family: 'Noto Serif SC', 'STSong', serif;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2.25rem;
            }
        }

        @media (min-width: 1024px) {
            .section-title {
                font-size: 2.5rem;
            }
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            max-width: 640px;
        }

        /* Footer */
        .footer-grid a {
            transition: color var(--transition-fast);
        }

        @media (max-width: 767px) {
            .footer-grid {
                row-gap: 2rem;
            }
        }

        /* Banner */
        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg,
                    rgba(26, 26, 46, 0.75) 0%,
                    rgba(26, 26, 46, 0.45) 40%,
                    rgba(26, 26, 46, 0.3) 70%,
                    rgba(26, 26, 46, 0.15) 100%);
            pointer-events: none;
            z-index: 1;
        }

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

        /* 列表样式 */
        .custom-list li {
            position: relative;
            padding-left: 1.5rem;
            margin-bottom: 0.6rem;
            color: var(--color-text-soft);
            font-size: 0.9rem;
            line-height: 1.75;
        }

        .custom-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.55rem;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        /* 滚动条 */
        ::-webkit-scrollbar {
            width: 6px;
        }

        ::-webkit-scrollbar-track {
            background: var(--color-bg-alt);
        }

        ::-webkit-scrollbar-thumb {
            background: #c5bfb2;
            border-radius: var(--radius-full);
        }

        ::-webkit-scrollbar-thumb:hover {
            background: #a8a294;
        }

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

/* roulang page: category5 */
:root {
            --color-brand: #1A1A2E;
            --color-accent: #C9A96E;
            --color-accent-light: #DFC89D;
            --color-soft: #F0EDE5;
            --color-soft-dark: #E5E0D8;
            --color-text-primary: #1A1A2E;
            --color-text-secondary: #5A5A6E;
            --color-text-muted: #8A8A9A;
            --color-surface: #FAF9F6;
            --color-surface-dark: #F5F2EC;
            --color-white: #FFFFFF;
            --radius-sm: 8px;
            --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 16px 48px rgba(26, 26, 46, 0.16);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s 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;
            text-rendering: optimizeLegibility;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
        }

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

        input {
            font-family: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

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

        /* 导航样式 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(26, 26, 46, 0.06);
            transition: box-shadow var(--transition-smooth);
        }

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

        .nav-link {
            position: relative;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
            white-space: nowrap;
            border-radius: 8px;
        }

        .nav-link:hover {
            color: var(--color-brand);
        }

        .nav-link.active {
            color: var(--color-brand);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2.5px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            border-radius: 24px;
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
            border: none;
        }
        .btn-accent:hover {
            background: #B8934E;
            box-shadow: 0 6px 20px rgba(201, 169, 110, 0.35);
            transform: translateY(-1px);
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.3);
        }
        .btn-accent:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            color: var(--color-brand);
            font-weight: 600;
            border: 1.5px solid var(--color-brand);
            border-radius: 24px;
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
        }
        .btn-outline:hover {
            background: var(--color-brand);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--color-brand);
            outline-offset: 2px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            color: var(--color-text-secondary);
            font-weight: 500;
            border-radius: 24px;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .btn-ghost:hover {
            color: var(--color-brand);
            background: var(--color-soft);
        }

        /* 移动端菜单 */
        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            z-index: 200;
            background: rgba(26, 26, 46, 0.5);
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }
        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            z-index: 210;
            background: #fff;
            box-shadow: var(--shadow-xl);
            padding: 20px 24px;
            overflow-y: auto;
            transition: right var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-menu-panel.open {
            right: 0;
        }

        .mobile-nav-link {
            display: block;
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
        }
        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            background: var(--color-soft);
            color: var(--color-brand);
            font-weight: 600;
        }

        /* 卡片样式 */
        .card-lifestyle {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            border: 1px solid rgba(26, 26, 46, 0.05);
            display: flex;
            flex-direction: column;
        }
        .card-lifestyle:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .card-lifestyle .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4/3;
        }
        .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-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(6px);
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-brand);
            letter-spacing: 0.04em;
            z-index: 2;
        }
        .card-lifestyle .card-body {
            padding: 18px 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .card-lifestyle .card-title {
            font-family: 'Noto Serif SC', 'STSong', serif;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-brand);
            line-height: 1.4;
            letter-spacing: 0.01em;
        }
        .card-lifestyle .card-excerpt {
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .card-lifestyle .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* 特色卡片 */
        .card-feature {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid rgba(26, 26, 46, 0.05);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 12px;
            text-align: center;
            align-items: center;
        }
        .card-feature:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .card-feature .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-accent);
            transition: all var(--transition-fast);
        }
        .card-feature:hover .feature-icon {
            background: var(--color-accent);
            color: #fff;
        }
        .card-feature .feature-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-brand);
            letter-spacing: 0.02em;
        }
        .card-feature .feature-desc {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid rgba(26, 26, 46, 0.08);
            transition: all var(--transition-fast);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 0;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-brand);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
            background: transparent;
            border: none;
            cursor: pointer;
            font-family: inherit;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
            font-size: 0.85rem;
            color: var(--color-text-muted);
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--color-soft);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            background: var(--color-accent);
            color: #fff;
        }
        .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 0;
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 0 18px 0;
        }

        /* 数据卡片 */
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid rgba(26, 26, 46, 0.04);
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-family: 'Noto Serif SC', 'STSong', serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--color-accent);
            letter-spacing: 0.02em;
            line-height: 1;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }

        /* section标题 */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-label::before {
            content: '';
            width: 20px;
            height: 1.5px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .section-title {
            font-family: 'Noto Serif SC', 'STSong', serif;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-brand);
            letter-spacing: 0.02em;
            line-height: 1.3;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.45rem;
            }
            .stat-number {
                font-size: 1.7rem;
            }
        }

        /* 分隔装饰 */
        .divider-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-block;
            margin: 0 8px;
            vertical-align: middle;
        }

        /* 页脚 */
        .footer-grid a {
            transition: color var(--transition-fast);
        }
        .footer-grid a:hover {
            color: #DFC89D !important;
        }

        /* 响应式导航栏 */
        .nav-desktop {
            display: none;
        }
        @media (min-width: 1024px) {
            .nav-desktop {
                display: flex;
            }
        }
        @media (max-width: 1023px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-mobile-toggle {
            display: flex;
        }
        @media (min-width: 1024px) {
            .nav-mobile-toggle {
                display: none;
            }
        }

        /* 滚动条美化 */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: transparent;
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(26, 26, 46, 0.15);
            border-radius: 3px;
        }

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