/* roulang page: index */
:root {
            --color-primary: #1a1d2e;
            --color-primary-light: #252a3e;
            --color-accent: #c8a45c;
            --color-accent-hover: #dbb86e;
            --color-accent-soft: rgba(200, 164, 92, 0.12);
            --color-emphasis: #e8793e;
            --color-emphasis-hover: #f08c54;
            --color-bg: #f5f3ef;
            --color-bg-alt: #ebe7df;
            --color-surface: #ffffff;
            --color-surface-dark: #1e2134;
            --color-surface-mid: #2a2e44;
            --color-text: #1a1d2e;
            --color-text-secondary: #5a5d6e;
            --color-text-light: #8a8d9e;
            --color-text-on-dark: #e8e6df;
            --color-text-on-dark-secondary: #b0aEA0;
            --color-border: #e0dcd5;
            --color-border-light: #eeebe5;
            --color-success: #4caf84;
            --color-warning: #e8a840;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
            --shadow-lg: 0 12px 36px rgba(0,0,0,0.14);
            --shadow-gold: 0 8px 28px rgba(200,164,92,0.18);
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1240px;
            --container-narrow: 960px;
            --nav-brand-height: 56px;
            --nav-channel-height: 44px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover { color: var(--color-accent); }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-display);
            line-height: 1.3;
            font-weight: 700;
        }
        :focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        ::selection {
            background: var(--color-accent);
            color: #fff;
        }

        /* ---------- 容器 ---------- */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container--narrow {
            max-width: var(--container-narrow);
        }
        .container--wide {
            max-width: 1340px;
        }

        /* ---------- HEADER / 杂志频道导航 ---------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #fff;
            box-shadow: 0 1px 0 var(--color-border-light), var(--shadow-sm);
            transition: box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 20px rgba(0,0,0,0.10);
        }

        /* 品牌行 */
        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-brand-height);
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            gap: 20px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-accent), var(--color-emphasis));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: var(--color-accent);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .btn-header {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-header--outline {
            border: 1.5px solid var(--color-border);
            color: var(--color-text);
            background: transparent;
        }
        .btn-header--outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }
        .btn-header--primary {
            background: var(--color-emphasis);
            color: #fff;
            border: 1.5px solid var(--color-emphasis);
        }
        .btn-header--primary:hover {
            background: var(--color-emphasis-hover);
            border-color: var(--color-emphasis-hover);
            color: #fff;
        }

        /* 频道行 */
        .header-channel-row {
            border-top: 1px solid var(--color-border-light);
            background: #fafaf8;
        }
        .header-channel-inner {
            display: flex;
            align-items: center;
            gap: 0;
            height: var(--nav-channel-height);
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .header-channel-inner::-webkit-scrollbar { display: none; }
        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 0 18px;
            height: 100%;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .nav-channel-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px 3px 0 0;
            transform: scaleX(0);
            transition: transform var(--transition-smooth);
        }
        .nav-channel-link:hover {
            color: var(--color-accent);
        }
        .nav-channel-link.active {
            color: var(--color-primary);
        }
        .nav-channel-link.active::after {
            transform: scaleX(1);
        }
        .nav-channel-sep {
            width: 1px;
            height: 18px;
            background: var(--color-border-light);
            margin: 0 4px;
            flex-shrink: 0;
        }
        .nav-channel-highlight {
            display: inline-flex;
            align-items: center;
            padding: 0 14px;
            height: 30px;
            font-size: 0.8rem;
            font-weight: 700;
            color: #fff;
            background: var(--color-emphasis);
            border-radius: 50px;
            white-space: nowrap;
            margin-left: 8px;
            transition: background var(--transition-fast);
        }
        .nav-channel-highlight:hover {
            background: var(--color-emphasis-hover);
            color: #fff;
        }

        /* 移动端汉堡 */
        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            z-index: 1100;
            background: none;
            border: none;
        }
        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 3px;
            transition: all var(--transition-smooth);
            transform-origin: center;
        }
        .mobile-menu-toggle.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .mobile-menu-toggle.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 1050;
            padding: 90px 28px 40px;
            flex-direction: column;
            gap: 6px;
            overflow-y: auto;
        }
        .mobile-nav-panel.open {
            display: flex;
        }
        .mobile-nav-panel .nav-channel-link {
            font-size: 1.05rem;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            height: auto;
        }
        .mobile-nav-panel .nav-channel-link.active {
            background: var(--color-accent-soft);
            color: var(--color-accent);
        }
        .mobile-nav-panel .nav-channel-link::after { display: none; }

        /* ---------- MAIN ---------- */
        .main-content {
            flex: 1;
        }
        .section {
            padding: 70px 0;
        }
        .section--dark {
            background: var(--color-surface-dark);
            color: var(--color-text-on-dark);
        }
        .section--alt {
            background: var(--color-bg-alt);
        }
        .section--tight {
            padding: 48px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.01em;
            margin-bottom: 10px;
        }
        .section--dark .section-header h2 {
            color: #fff;
        }
        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 540px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section--dark .section-header .section-subtitle {
            color: var(--color-text-on-dark-secondary);
        }

        /* ---------- HERO ---------- */
        .hero {
            position: relative;
            padding: 90px 0 100px;
            background: var(--color-surface-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
            overflow: hidden;
            display: flex;
            align-items: center;
            min-height: 520px;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,29,46,0.88) 0%, rgba(26,29,46,0.65) 50%, rgba(30,33,52,0.78) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 3rem;
            font-weight: 900;
            letter-spacing: 0.02em;
            line-height: 1.2;
            margin-bottom: 18px;
            color: #fff;
        }
        .hero-content h1 .highlight {
            color: var(--color-accent);
            position: relative;
        }
        .hero-content .hero-desc {
            font-size: 1.12rem;
            color: var(--color-text-on-dark-secondary);
            line-height: 1.7;
            margin-bottom: 30px;
            max-width: 480px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            text-align: center;
            justify-content: center;
        }
        .btn--primary {
            background: var(--color-accent);
            color: #1a1d2e;
            box-shadow: var(--shadow-gold);
        }
        .btn--primary:hover {
            background: var(--color-accent-hover);
            color: #1a1d2e;
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(200,164,92,0.30);
        }
        .btn--outline-light {
            border: 2px solid rgba(255,255,255,0.45);
            color: #fff;
            background: transparent;
        }
        .btn--outline-light:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
            color: #fff;
        }
        .btn--outline {
            border: 2px solid var(--color-border);
            color: var(--color-text);
            background: transparent;
        }
        .btn--outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }
        .btn--sm {
            padding: 8px 16px;
            font-size: 0.82rem;
            border-radius: 30px;
            font-weight: 600;
        }
        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            max-width: 100%;
            border: 3px solid rgba(255,255,255,0.12);
        }
        .hero-stats {
            display: flex;
            gap: 28px;
            margin-top: 26px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .stat-num {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--color-accent);
            font-family: var(--font-display);
            line-height: 1;
        }
        .hero-stat .stat-label {
            font-size: 0.82rem;
            color: var(--color-text-on-dark-secondary);
            margin-top: 4px;
        }

        /* ---------- 特色卡片 ---------- */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .feature-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 0 0 4px 4px;
            opacity: 0;
            transition: all var(--transition-smooth);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .feature-card:hover::before {
            opacity: 1;
            width: 70px;
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            border-radius: var(--radius-md);
            background: var(--color-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            transition: background var(--transition-fast);
        }
        .feature-card:hover .feature-icon {
            background: var(--color-accent);
            color: #fff;
        }
        .feature-card h3 {
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: var(--color-primary);
        }
        .feature-card p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.55;
        }

        /* ---------- 分类入口 ---------- */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            display: flex;
            align-items: flex-end;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-md);
            text-decoration: none;
            color: inherit;
        }
        .category-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .category-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .category-card:hover img {
            transform: scale(1.06);
        }
        .category-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(26,29,46,0.85) 0%, rgba(26,29,46,0.25) 50%, rgba(26,29,46,0.08) 100%);
            z-index: 1;
        }
        .category-card-body {
            position: relative;
            z-index: 2;
            padding: 22px 20px;
            color: #fff;
        }
        .category-card-body h3 {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 4px;
        }
        .category-card-body .cat-count {
            font-size: 0.82rem;
            opacity: 0.85;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .category-card-tag {
            position: absolute;
            top: 16px;
            right: 16px;
            z-index: 3;
            background: var(--color-accent);
            color: #1a1d2e;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 5px 12px;
            border-radius: 50px;
            letter-spacing: 0.04em;
        }

        /* ---------- 内容列表 ---------- */
        .posts-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .post-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .post-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .post-card-thumb {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
        }
        .post-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .post-card:hover .post-card-thumb img {
            transform: scale(1.05);
        }
        .post-card-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--color-accent);
            color: #1a1d2e;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.03em;
            z-index: 2;
        }
        .post-card-body {
            padding: 18px 16px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .post-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-card-body .post-excerpt {
            font-size: 0.84rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .post-card-meta {
            font-size: 0.78rem;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .empty-state {
            text-align: center;
            padding: 50px 20px;
            color: var(--color-text-secondary);
            font-size: 1rem;
            grid-column: 1 / -1;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--color-border);
        }

        /* ---------- 数据展示 ---------- */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }
        .stat-item {
            padding: 32px 24px;
            text-align: center;
            border-right: 1px solid var(--color-border-light);
            transition: background var(--transition-fast);
        }
        .stat-item:last-child { border-right: none; }
        .stat-item:hover {
            background: var(--color-accent-soft);
        }
        .stat-item .stat-value {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--color-accent);
            font-family: var(--font-display);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-item .stat-desc {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
        }

        /* ---------- FAQ ---------- */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-accent);
        }
        .faq-question {
            width: 100%;
            padding: 20px 24px;
            text-align: left;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-arrow {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            transition: all var(--transition-smooth);
            color: var(--color-accent);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            background: var(--color-accent);
            color: #fff;
        }

        /* ---------- CTA ---------- */
        .cta-section {
            background: linear-gradient(135deg, var(--color-surface-dark) 0%, #252a44 100%);
            color: #fff;
            text-align: center;
            padding: 70px 0;
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.08;
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 12px;
            color: #fff;
        }
        .cta-section p {
            color: var(--color-text-on-dark-secondary);
            font-size: 1.05rem;
            max-width: 500px;
            margin: 0 auto 28px;
        }
        .cta-section .btn--primary {
            font-size: 1rem;
            padding: 16px 34px;
        }

        /* ---------- FOOTER ---------- */
        .site-footer {
            background: var(--color-surface-dark);
            color: var(--color-text-on-dark-secondary);
            padding: 48px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand .brand-logo {
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 10px;
            display: inline-flex;
        }
        .footer-brand .brand-logo:hover {
            color: var(--color-accent);
        }
        .footer-brand p {
            font-size: 0.86rem;
            line-height: 1.6;
            color: var(--color-text-on-dark-secondary);
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.86rem;
            color: var(--color-text-on-dark-secondary);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
        }
        .footer-bottom span {
            color: var(--color-text-on-dark-secondary);
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 36px;
                text-align: center;
            }
            .hero-content .hero-desc {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-buttons {
                justify-content: center;
            }
            .hero-stats {
                justify-content: center;
            }
            .hero-visual img {
                max-width: 70%;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .posts-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-item {
                border-right: 1px solid var(--color-border-light);
                border-bottom: 1px solid var(--color-border-light);
            }
            .stat-item:nth-child(2) { border-right: none; }
            .stat-item:nth-child(3) { border-bottom: none; }
            .stat-item:nth-child(4) { border-bottom: none; border-right: none; }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero {
                padding: 60px 0 70px;
                min-height: auto;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .section {
                padding: 50px 0;
            }
        }

        @media (max-width: 768px) {
            .header-brand-row {
                height: 52px;
                padding: 0 16px;
            }
            .brand-logo {
                font-size: 1.15rem;
            }
            .brand-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .header-actions .btn-header {
                display: none;
            }
            .header-channel-row {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .container {
                padding: 0 16px;
            }
            .hero {
                padding: 44px 0 50px;
                min-height: auto;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content .hero-desc {
                font-size: 0.95rem;
            }
            .hero-visual img {
                max-width: 85%;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .feature-card {
                padding: 20px 14px;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .posts-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
            }
            .stat-item {
                padding: 22px 14px;
            }
            .stat-item .stat-value {
                font-size: 1.6rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section {
                padding: 38px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .btn {
                padding: 12px 22px;
                font-size: 0.88rem;
            }
            .hero-stats {
                gap: 18px;
            }
            .hero-stat .stat-num {
                font-size: 1.4rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .stats-bar {
                grid-template-columns: 1fr;
            }
            .stat-item {
                border-right: none;
                border-bottom: 1px solid var(--color-border-light);
            }
            .stat-item:last-child { border-bottom: none; }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .hero-buttons .btn {
                width: 100%;
                max-width: 280px;
            }
            .hero {
                padding: 30px 0 36px;
            }
            .category-card {
                aspect-ratio: 3 / 2;
            }
        }

/* roulang page: category1 */
:root {
            --brand-500: #f15a2e;
            --brand-600: #e0441a;
            --brand-700: #b83312;
            --accent-600: #0087c9;
            --accent-700: #016ba3;
            --warm-400: #fbbf24;
            --warm-500: #f59e0b;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5e;
            --text-muted: #7a7a92;
            --bg-page: #fafafb;
            --bg-white: #ffffff;
            --bg-soft: #f5f5f7;
            --border-light: #e8e8ef;
            --border-medium: #dcdce6;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 2px 8px rgba(0,0,0,0.05), 0 12px 32px rgba(0,0,0,0.07);
            --shadow-lg: 0 4px 16px rgba(0,0,0,0.06), 0 20px 48px rgba(0,0,0,0.09);
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 0.875rem;
            --radius-xl: 1.125rem;
            --radius-2xl: 1.5rem;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4,0,0.2,1);
        }

        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}
        body{font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB','Noto Sans SC',sans-serif;line-height:1.7;color:var(--text-primary);background:var(--bg-page);overflow-x:hidden;min-height:100vh}
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
        img{max-width:100%;height:auto;display:block}
        button,input,select,textarea{font-family:inherit}
        ul,ol{list-style:none}
        .container{max-width:1200px;margin:0 auto;padding:0 1.5rem}
        @media(min-width:1280px){.container{max-width:1240px}}

        /* Header */
        .site-header{background:var(--bg-white);position:sticky;top:0;z-index:1000;box-shadow:0 1px 0 var(--border-light),0 4px 16px rgba(0,0,0,0.03)}
        .header-brand-row{display:flex;align-items:center;justify-content:space-between;padding:0.85rem 0;border-bottom:1px solid var(--border-light)}
        .brand-logo{display:flex;align-items:center;gap:0.6rem;font-size:1.35rem;font-weight:800;color:var(--brand-600);letter-spacing:-0.02em;transition:color var(--transition-fast);white-space:nowrap}
        .brand-logo:hover{color:var(--brand-700)}
        .logo-icon{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;background:linear-gradient(135deg,var(--brand-500),var(--brand-700));color:#fff;border-radius:var(--radius-md);font-weight:800;font-size:0.9rem;flex-shrink:0;box-shadow:0 2px 8px rgba(241,90,46,0.3)}
        .header-actions{display:flex;align-items:center;gap:0.75rem}
        .header-search-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:var(--bg-soft);color:var(--text-secondary);border:none;cursor:pointer;transition:all var(--transition-fast);font-size:1rem}
        .header-search-btn:hover{background:#e8e8ef;color:var(--brand-600)}
        .header-cta-btn{display:inline-flex;align-items:center;gap:0.4rem;padding:0.55rem 1.2rem;background:var(--brand-500);color:#fff;border-radius:var(--radius-lg);font-weight:600;font-size:0.9rem;border:none;cursor:pointer;transition:all var(--transition-smooth);white-space:nowrap;box-shadow:0 2px 8px rgba(241,90,46,0.25)}
        .header-cta-btn:hover{background:var(--brand-600);box-shadow:0 4px 16px rgba(241,90,46,0.35);transform:translateY(-1px)}
        .header-channel-row{display:flex;align-items:center;padding:0.45rem 0;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
        .header-channel-row::-webkit-scrollbar{display:none}
        .header-channel-inner{display:flex;align-items:center;gap:0;flex-shrink:0}
        .nav-channel-link{display:inline-flex;align-items:center;padding:0.5rem 1rem;font-size:0.925rem;font-weight:500;color:var(--text-secondary);border-radius:var(--radius-sm);transition:all var(--transition-fast);white-space:nowrap;position:relative;cursor:pointer}
        .nav-channel-link:hover{color:var(--brand-600);background:rgba(241,90,46,0.05)}
        .nav-channel-link.active{color:var(--brand-600);font-weight:700;background:rgba(241,90,46,0.07)}
        .nav-channel-link.active::after{content:'';position:absolute;bottom:-0.45rem;left:50%;transform:translateX(-50%);width:20px;height:3px;background:var(--brand-500);border-radius:3px 3px 0 0}
        .nav-channel-sep{width:1px;height:18px;background:var(--border-light);margin:0 0.25rem;flex-shrink:0}
        .nav-channel-highlight{display:inline-flex;align-items:center;gap:0.35rem;padding:0.5rem 0.9rem;font-size:0.9rem;font-weight:600;color:var(--warm-500);background:rgba(251,191,36,0.08);border-radius:var(--radius-lg);white-space:nowrap;transition:all var(--transition-fast);cursor:pointer;margin-left:0.3rem}
        .nav-channel-highlight:hover{background:rgba(251,191,36,0.16);color:#c27803;transform:translateY(-1px)}
        .mobile-menu-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;background:var(--bg-soft);border:none;border-radius:var(--radius-sm);cursor:pointer;font-size:1.2rem;color:var(--text-primary);transition:all var(--transition-fast)}
        .mobile-menu-toggle:hover{background:#e8e8ef}

        /* Hero Banner */
        .category-hero{position:relative;background:linear-gradient(150deg,#1a1a2e 0%,#1e2040 30%,#1a1f3a 60%,#16162a 100%);padding:3.5rem 0 4rem;overflow:hidden;min-height:280px;display:flex;align-items:center}
        .category-hero::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:0.18;z-index:0}
        .category-hero::after{content:'';position:absolute;top:-50%;right:-20%;width:500px;height:500px;background:radial-gradient(circle,rgba(241,90,46,0.12) 0%,transparent 70%);z-index:1;pointer-events:none}
        .category-hero .container{position:relative;z-index:2}
        .category-hero-breadcrumb{display:flex;align-items:center;gap:0.4rem;font-size:0.85rem;color:rgba(255,255,255,0.65);margin-bottom:1rem;flex-wrap:wrap}
        .category-hero-breadcrumb a{color:rgba(255,255,255,0.8);transition:color var(--transition-fast)}
        .category-hero-breadcrumb a:hover{color:#fff}
        .category-hero-breadcrumb .sep{color:rgba(255,255,255,0.4)}
        .category-hero-title{font-size:2.6rem;font-weight:900;color:#fff;line-height:1.25;margin-bottom:0.75rem;letter-spacing:-0.02em}
        .category-hero-title span{background:linear-gradient(135deg,var(--brand-500),var(--warm-400));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
        .category-hero-desc{font-size:1.05rem;color:rgba(255,255,255,0.75);max-width:600px;line-height:1.65}

        /* Section */
        .section{padding:3.5rem 0}
        .section-header{text-align:center;margin-bottom:2.5rem}
        .section-label{display:inline-block;font-size:0.8rem;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;color:var(--brand-500);background:rgba(241,90,46,0.08);padding:0.3rem 0.9rem;border-radius:2rem;margin-bottom:0.75rem}
        .section-title{font-size:1.85rem;font-weight:800;color:var(--text-primary);line-height:1.3;margin-bottom:0.5rem;letter-spacing:-0.01em}
        .section-subtitle{font-size:0.95rem;color:var(--text-muted);max-width:520px;margin:0 auto}

        /* Filter Tags */
        .filter-tags{display:flex;flex-wrap:wrap;gap:0.6rem;justify-content:center;margin-bottom:2.5rem}
        .filter-tag{display:inline-flex;align-items:center;gap:0.4rem;padding:0.5rem 1.1rem;font-size:0.875rem;font-weight:500;color:var(--text-secondary);background:var(--bg-white);border:1.5px solid var(--border-light);border-radius:2rem;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;user-select:none}
        .filter-tag:hover{border-color:var(--brand-300);color:var(--brand-600);background:rgba(241,90,46,0.03)}
        .filter-tag.active{background:var(--brand-500);color:#fff;border-color:var(--brand-500);font-weight:600;box-shadow:0 2px 10px rgba(241,90,46,0.3)}
        .filter-tag .tag-count{font-size:0.75rem;opacity:0.8}

        /* Article Grid */
        .article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
        .article-card{background:var(--bg-white);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-sm);transition:all var(--transition-smooth);border:1px solid var(--border-light);display:flex;flex-direction:column;height:100%;cursor:pointer}
        .article-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:transparent}
        .article-card .card-image-wrap{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--bg-soft)}
        .article-card .card-image-wrap img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}
        .article-card:hover .card-image-wrap img{transform:scale(1.06)}
        .card-image-badge{position:absolute;top:0.75rem;left:0.75rem;display:inline-flex;align-items:center;gap:0.3rem;padding:0.3rem 0.7rem;font-size:0.75rem;font-weight:700;border-radius:2rem;z-index:2;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
        .badge-difficulty-beginner{background:rgba(34,197,94,0.9);color:#fff}
        .badge-difficulty-advanced{background:rgba(251,191,36,0.9);color:#3d2e00}
        .badge-difficulty-expert{background:rgba(239,68,68,0.9);color:#fff}
        .card-image-popularity{position:absolute;top:0.75rem;right:0.75rem;display:inline-flex;align-items:center;gap:0.25rem;padding:0.3rem 0.6rem;font-size:0.72rem;font-weight:700;color:#fff;background:rgba(0,0,0,0.55);border-radius:2rem;z-index:2;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
        .article-card .card-body{padding:1.2rem 1.3rem 1.4rem;display:flex;flex-direction:column;flex:1}
        .card-tag-row{display:flex;align-items:center;gap:0.5rem;margin-bottom:0.6rem;flex-wrap:wrap}
        .card-tag{display:inline-block;font-size:0.72rem;font-weight:600;color:var(--accent-600);background:rgba(0,135,201,0.07);padding:0.2rem 0.6rem;border-radius:2rem}
        .card-title{font-size:1rem;font-weight:700;color:var(--text-primary);line-height:1.45;margin-bottom:0.5rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--transition-fast)}
        .article-card:hover .card-title{color:var(--brand-600)}
        .card-excerpt{font-size:0.84rem;color:var(--text-muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:0.9rem;flex:1}
        .card-meta{display:flex;align-items:center;gap:0.9rem;font-size:0.78rem;color:var(--text-muted);padding-top:0.7rem;border-top:1px solid var(--border-light)}
        .card-meta span{display:inline-flex;align-items:center;gap:0.25rem}

        /* Featured Row */
        .featured-row{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-top:1rem}
        .featured-card-large{background:var(--bg-white);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-md);display:flex;flex-direction:column;transition:all var(--transition-smooth);border:1px solid var(--border-light);cursor:pointer;height:100%}
        .featured-card-large:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:transparent}
        .featured-card-large .featured-image{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--bg-soft)}
        .featured-card-large .featured-image img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}
        .featured-card-large:hover .featured-image img{transform:scale(1.05)}
        .featured-card-large .featured-body{padding:1.4rem 1.6rem 1.6rem;flex:1;display:flex;flex-direction:column}
        .featured-card-large .featured-title{font-size:1.2rem;font-weight:800;color:var(--text-primary);line-height:1.4;margin-bottom:0.5rem}
        .featured-card-large:hover .featured-title{color:var(--brand-600)}

        /* Hot Sidebar */
        .hot-list{display:flex;flex-direction:column;gap:0.75rem}
        .hot-item{display:flex;align-items:flex-start;gap:0.9rem;padding:0.85rem 1rem;background:var(--bg-white);border-radius:var(--radius-lg);transition:all var(--transition-fast);border:1px solid var(--border-light);cursor:pointer}
        .hot-item:hover{box-shadow:var(--shadow-md);border-color:transparent;transform:translateX(3px)}
        .hot-rank{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--radius-sm);font-weight:800;font-size:0.85rem;flex-shrink:0}
        .hot-rank.top1{background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#fff}
        .hot-rank.top2{background:linear-gradient(135deg,#94a3b8,#cbd5e1);color:#fff}
        .hot-rank.top3{background:linear-gradient(135deg,#d97706,#f59e0b);color:#fff}
        .hot-rank.normal{background:var(--bg-soft);color:var(--text-muted)}
        .hot-item-content{flex:1;min-width:0}
        .hot-item-title{font-size:0.9rem;font-weight:600;color:var(--text-primary);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--transition-fast)}
        .hot-item:hover .hot-item-title{color:var(--brand-600)}
        .hot-item-meta{font-size:0.75rem;color:var(--text-muted);margin-top:0.25rem}

        /* FAQ */
        .faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:0.6rem}
        .faq-item{background:var(--bg-white);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition-fast)}
        .faq-item:hover{border-color:var(--border-medium);box-shadow:var(--shadow-sm)}
        .faq-question{display:flex;align-items:center;justify-content:space-between;padding:1.1rem 1.4rem;cursor:pointer;user-select:none;font-weight:600;color:var(--text-primary);font-size:0.95rem;gap:0.8rem;transition:color var(--transition-fast)}
        .faq-question:hover{color:var(--brand-600)}
        .faq-question i{transition:transform var(--transition-smooth);color:var(--text-muted);font-size:0.85rem;flex-shrink:0}
        .faq-item.open .faq-question i{transform:rotate(180deg);color:var(--brand-500)}
        .faq-answer{max-height:0;overflow:hidden;transition:max-height 0.4s ease,padding 0.3s ease}
        .faq-item.open .faq-answer{max-height:300px}
        .faq-answer-inner{padding:0 1.4rem 1.2rem;font-size:0.9rem;color:var(--text-secondary);line-height:1.7}

        /* CTA */
        .cta-section{background:linear-gradient(160deg,#1a1a2e 0%,#1e2340 50%,#1a1f38 100%);position:relative;overflow:hidden;padding:3.5rem 0}
        .cta-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:0.1;z-index:0}
        .cta-section::after{content:'';position:absolute;bottom:-30%;left:-15%;width:400px;height:400px;background:radial-gradient(circle,rgba(241,90,46,0.15) 0%,transparent 70%);z-index:1;pointer-events:none}
        .cta-section .container{position:relative;z-index:2;text-align:center}
        .cta-title{font-size:2rem;font-weight:900;color:#fff;margin-bottom:0.8rem;letter-spacing:-0.01em}
        .cta-subtitle{font-size:1rem;color:rgba(255,255,255,0.7);max-width:500px;margin:0 auto 2rem;line-height:1.6}
        .cta-btn-group{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
        .btn-cta-primary{display:inline-flex;align-items:center;gap:0.5rem;padding:0.8rem 2rem;background:var(--brand-500);color:#fff;border-radius:var(--radius-lg);font-weight:700;font-size:1rem;border:none;cursor:pointer;transition:all var(--transition-smooth);box-shadow:0 4px 20px rgba(241,90,46,0.4)}
        .btn-cta-primary:hover{background:var(--brand-600);box-shadow:0 6px 28px rgba(241,90,46,0.5);transform:translateY(-2px)}
        .btn-cta-outline{display:inline-flex;align-items:center;gap:0.5rem;padding:0.8rem 2rem;background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.4);border-radius:var(--radius-lg);font-weight:600;font-size:1rem;cursor:pointer;transition:all var(--transition-smooth)}
        .btn-cta-outline:hover{background:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.7);transform:translateY(-2px)}

        /* Footer */
        .site-footer{background:#1a1a2e;color:rgba(255,255,255,0.75);padding:3rem 0 1.5rem}
        .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2rem;margin-bottom:2.5rem}
        .footer-brand .brand-logo{color:#fff;margin-bottom:0.8rem;font-size:1.2rem}
        .footer-brand .brand-logo .logo-icon{width:32px;height:32px;font-size:0.85rem;background:linear-gradient(135deg,var(--brand-500),var(--brand-700))}
        .footer-brand p{font-size:0.85rem;color:rgba(255,255,255,0.55);line-height:1.7;max-width:320px}
        .footer-col h4{font-size:0.9rem;font-weight:700;color:#fff;margin-bottom:0.9rem;letter-spacing:0.02em}
        .footer-col ul{display:flex;flex-direction:column;gap:0.5rem}
        .footer-col ul li a{font-size:0.84rem;color:rgba(255,255,255,0.55);transition:color var(--transition-fast);cursor:pointer}
        .footer-col ul li a:hover{color:#fff}
        .footer-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,0.1);font-size:0.8rem;color:rgba(255,255,255,0.4);flex-wrap:wrap;gap:0.6rem}

        /* Responsive */
        @media(max-width:1024px){
            .article-grid{grid-template-columns:repeat(2,1fr)}
            .featured-row{grid-template-columns:1fr}
            .category-hero-title{font-size:2.1rem}
            .section{padding:2.5rem 0}
            .footer-grid{grid-template-columns:1fr 1fr;gap:1.5rem}
        }
        @media(max-width:768px){
            .header-channel-row{overflow-x:auto;padding:0.35rem 0}
            .header-channel-inner{gap:0}
            .nav-channel-link{padding:0.45rem 0.7rem;font-size:0.82rem}
            .nav-channel-highlight{font-size:0.8rem;padding:0.4rem 0.7rem}
            .header-cta-btn{display:none}
            .mobile-menu-toggle{display:flex}
            .article-grid{grid-template-columns:1fr;gap:1rem}
            .category-hero{padding:2.5rem 0 3rem;min-height:220px}
            .category-hero-title{font-size:1.7rem}
            .category-hero-desc{font-size:0.9rem}
            .section-title{font-size:1.4rem}
            .filter-tags{gap:0.4rem}
            .filter-tag{padding:0.4rem 0.8rem;font-size:0.78rem}
            .cta-title{font-size:1.5rem}
            .footer-grid{grid-template-columns:1fr;gap:1.5rem}
            .footer-bottom{flex-direction:column;text-align:center}
            .featured-card-large .featured-body{padding:1rem 1.1rem 1.2rem}
            .featured-card-large .featured-title{font-size:1rem}
            .faq-question{padding:0.9rem 1.1rem;font-size:0.88rem}
            .faq-answer-inner{padding:0 1.1rem 1rem;font-size:0.84rem}
        }
        @media(max-width:520px){
            .container{padding:0 1rem}
            .category-hero-title{font-size:1.4rem}
            .category-hero-breadcrumb{font-size:0.75rem}
            .section{padding:2rem 0}
            .section-title{font-size:1.25rem}
            .article-card .card-body{padding:0.9rem 1rem 1.1rem}
            .card-title{font-size:0.9rem}
            .card-excerpt{font-size:0.78rem}
            .cta-btn-group{flex-direction:column;align-items:center}
            .btn-cta-primary,.btn-cta-outline{width:100%;justify-content:center}
            .hot-item{padding:0.7rem 0.8rem;gap:0.6rem}
            .hot-item-title{font-size:0.82rem}
            .brand-logo{font-size:1.1rem}
            .logo-icon{width:32px;height:32px;font-size:0.75rem}
        }

/* roulang page: article */
:root {
            --color-primary: #1a1f35;
            --color-primary-light: #252b45;
            --color-accent: #c8922b;
            --color-accent-light: #e0a940;
            --color-accent-pale: #fdf6e8;
            --color-bg: #f7f7f9;
            --color-surface: #ffffff;
            --color-text: #1e2130;
            --color-text-secondary: #5f6478;
            --color-text-muted: #8b8fa3;
            --color-border: #e2e4ea;
            --color-border-light: #eef0f4;
            --color-tag-bg: #eef1f8;
            --color-tag-text: #3d4570;
            --color-success: #0d9488;
            --color-danger: #dc3545;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 36px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.05);
            --shadow-xl: 0 20px 52px rgba(0,0,0,0.12), 0 6px 12px rgba(0,0,0,0.06);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Monaco', monospace;
            --max-width: 1200px;
            --max-width-article: 760px;
            --header-brand-height: 56px;
            --header-channel-height: 48px;
            --nav-gap: 8px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        ul, ol { list-style: none; }

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

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .container--narrow {
            max-width: 960px;
        }

        /* ========== HEADER ========== */
        .site-header {
            background: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-md);
        }

        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-brand-height);
            padding: 0 20px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }
        .brand-logo:hover {
            opacity: 0.88;
            color: #ffffff;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 800;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            background: var(--color-accent);
            color: #fff;
            border-radius: 20px;
            font-size: 0.875rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }
        .btn-header-cta:hover {
            background: var(--color-accent-light);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-header-cta:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }
        .btn-header-cta:focus-visible {
            outline: 3px solid #fff;
            outline-offset: 3px;
        }

        .header-channel-row {
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            height: var(--header-channel-height);
            padding: 0 20px;
        }

        .header-channel-inner {
            display: flex;
            align-items: center;
            gap: var(--nav-gap);
            max-width: var(--max-width);
            width: 100%;
            justify-content: center;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .header-channel-inner::-webkit-scrollbar { display: none; }

        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            border-radius: 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-channel-link:hover {
            color: var(--color-primary);
            background: #f2f3f7;
        }
        .nav-channel-link.active {
            color: #ffffff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }
        .nav-channel-link.active:hover {
            color: #ffffff;
            background: var(--color-primary-light);
        }

        .nav-channel-sep {
            width: 1px;
            height: 18px;
            background: var(--color-border);
            border-radius: 1px;
            flex-shrink: 0;
        }

        .nav-channel-highlight {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 7px 16px;
            border-radius: 18px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            background: var(--color-accent-pale);
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .nav-channel-highlight:hover {
            border-color: var(--color-accent);
            color: #b07d1e;
            background: #fef5e4;
        }

        /* Mobile nav toggle */
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 6px;
            line-height: 1;
            transition: opacity var(--transition-fast);
        }
        .mobile-nav-toggle:hover { opacity: 0.8; }

        /* ========== ARTICLE BANNER ========== */
        .article-banner {
            position: relative;
            background: var(--color-primary-light) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 48px 0 40px;
            color: #ffffff;
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,31,53,0.88) 0%, rgba(26,31,53,0.72) 100%);
            z-index: 1;
        }
        .article-banner .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.75);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: rgba(255,255,255,0.85);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover { color: #ffffff; }
        .breadcrumb-sep {
            color: rgba(255,255,255,0.45);
            font-size: 0.7rem;
        }
        .breadcrumb-current {
            color: #ffffff;
            font-weight: 500;
        }

        .article-banner-title {
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.35;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .article-banner-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.8);
        }
        .article-banner-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .article-category-tag {
            display: inline-block;
            padding: 4px 12px;
            background: var(--color-accent);
            color: #fff;
            border-radius: 14px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        /* ========== MAIN LAYOUT ========== */
        .article-main {
            flex: 1;
            padding: 40px 0 60px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }

        /* ========== ARTICLE CONTENT ========== */
        .article-content-area {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--color-text);
        }
        .article-body h2 {
            font-size: 1.5rem;
            margin: 32px 0 14px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--color-border-light);
            color: var(--color-primary);
        }
        .article-body h3 {
            font-size: 1.25rem;
            margin: 26px 0 10px;
            color: var(--color-primary);
        }
        .article-body h4 {
            font-size: 1.1rem;
            margin: 20px 0 8px;
            color: var(--color-text);
        }
        .article-body p {
            margin-bottom: 16px;
        }
        .article-body ul, .article-body ol {
            margin: 12px 0 18px;
            padding-left: 24px;
        }
        .article-body ul { list-style: disc; }
        .article-body ol { list-style: decimal; }
        .article-body li {
            margin-bottom: 6px;
            padding-left: 2px;
        }
        .article-body blockquote {
            margin: 20px 0;
            padding: 18px 24px;
            background: #f8f9fb;
            border-left: 4px solid var(--color-accent);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-secondary);
            font-style: italic;
            font-size: 1rem;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-sm);
            max-width: 100%;
            height: auto;
        }
        .article-body a {
            color: #2563eb;
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: #1d4ed8;
        }
        .article-body code {
            background: #f1f3f7;
            padding: 2px 7px;
            border-radius: 4px;
            font-family: var(--font-mono);
            font-size: 0.9em;
            color: #c7254e;
        }
        .article-body pre {
            background: #1e2130;
            color: #e2e4ea;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 20px 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .article-body pre code {
            background: none;
            color: inherit;
            padding: 0;
            font-size: inherit;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.95rem;
        }
        .article-body th, .article-body td {
            border: 1px solid var(--color-border);
            padding: 10px 14px;
            text-align: left;
        }
        .article-body th {
            background: #f8f9fb;
            font-weight: 600;
            color: var(--color-primary);
        }
        .article-body hr {
            border: none;
            border-top: 1px solid var(--color-border-light);
            margin: 28px 0;
        }

        /* ========== ARTICLE FOOTER (tags, share) ========== */
        .article-footer-meta {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid var(--color-border-light);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }
        .article-tags-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }
        .article-tag {
            display: inline-block;
            padding: 5px 12px;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            border-radius: 14px;
            font-size: 0.8rem;
            font-weight: 500;
            transition: all var(--transition-fast);
        }
        .article-tag:hover {
            background: #dde1ef;
            color: var(--color-primary);
        }

        /* ========== SIDEBAR ========== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: calc(var(--header-brand-height) + var(--header-channel-height) + 20px);
        }

        .sidebar-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .sidebar-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-accent);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card-title::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 18px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .sidebar-post-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .sidebar-post-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .sidebar-post-item:hover {
            background: #f8f9fb;
        }
        .sidebar-post-thumb {
            width: 64px;
            height: 48px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: #eef0f4;
        }
        .sidebar-post-info {
            flex: 1;
            min-width: 0;
        }
        .sidebar-post-title {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.35;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .sidebar-post-item:hover .sidebar-post-title {
            color: var(--color-accent);
        }
        .sidebar-post-date {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        .sidebar-cta-card {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: none;
        }
        .sidebar-cta-card h4 {
            color: #ffffff;
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .sidebar-cta-card p {
            font-size: 0.85rem;
            opacity: 0.85;
            margin-bottom: 16px;
            line-height: 1.5;
        }
        .btn-sidebar-cta {
            display: inline-block;
            padding: 10px 24px;
            background: var(--color-accent);
            color: #fff;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .btn-sidebar-cta:hover {
            background: var(--color-accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        /* ========== RELATED POSTS ========== */
        .section-related {
            padding: 50px 0 40px;
            background: #ffffff;
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }
        .section-related .section-title {
            text-align: center;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 32px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
        }
        .related-card-image {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: #eef0f4;
        }
        .related-card-body {
            padding: 18px 20px 20px;
        }
        .related-card-category {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent);
            background: var(--color-accent-pale);
            padding: 3px 10px;
            border-radius: 10px;
            margin-bottom: 8px;
        }
        .related-card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .related-card:hover .related-card-title {
            color: var(--color-accent);
        }

        /* ========== CTA SECTION ========== */
        .section-cta {
            padding: 56px 0;
            background: linear-gradient(160deg, #f8f9fb 0%, #f0f2f7 100%);
            text-align: center;
        }
        .cta-inner {
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
        }
        .cta-desc {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 24px;
            line-height: 1.6;
        }
        .btn-cta-primary {
            display: inline-block;
            padding: 14px 36px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 28px;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
            letter-spacing: 0.01em;
        }
        .btn-cta-primary:hover {
            background: var(--color-accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-xl);
        }
        .btn-cta-primary:active {
            transform: translateY(0);
        }

        /* ========== NOT FOUND ========== */
        .not-found-area {
            text-align: center;
            padding: 60px 20px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }
        .not-found-icon {
            font-size: 4rem;
            margin-bottom: 16px;
            display: block;
        }
        .not-found-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .not-found-desc {
            color: var(--color-text-secondary);
            margin-bottom: 24px;
        }
        .btn-back-home {
            display: inline-block;
            padding: 12px 28px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 24px;
            font-weight: 600;
            transition: all var(--transition-fast);
        }
        .btn-back-home:hover {
            background: var(--color-primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255,255,255,0.8);
            padding: 48px 0 28px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .brand-logo {
            font-size: 1.2rem;
            margin-bottom: 12px;
            color: #ffffff;
        }
        .footer-brand p {
            font-size: 0.875rem;
            line-height: 1.7;
            opacity: 0.75;
            max-width: 300px;
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.875rem;
            color: rgba(255,255,255,0.7);
            transition: color var(--transition-fast);
            padding: 2px 0;
            display: inline-block;
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
            font-size: 0.8rem;
            opacity: 0.65;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr 280px;
                gap: 28px;
            }
            .article-content-area {
                padding: 28px 24px;
            }
            .article-banner-title {
                font-size: 1.6rem;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .header-channel-inner {
                justify-content: flex-start;
                padding: 0 10px;
                gap: 4px;
            }
            .nav-channel-link {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .nav-channel-highlight {
                font-size: 0.78rem;
                padding: 6px 12px;
            }
            .nav-channel-sep {
                margin: 0 2px;
            }
            .mobile-nav-toggle {
                display: block;
            }
            .header-actions .btn-header-cta {
                display: none;
            }
            .header-actions .btn-header-cta.mobile-visible {
                display: inline-flex;
                font-size: 0.78rem;
                padding: 6px 14px;
            }

            .article-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .article-sidebar .sidebar-card:last-child {
                grid-column: 1 / -1;
            }
            .article-banner {
                padding: 32px 0 28px;
            }
            .article-banner-title {
                font-size: 1.35rem;
            }
            .article-content-area {
                padding: 20px 18px;
                border-radius: var(--radius-md);
            }
            .article-body {
                font-size: 0.98rem;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .related-card-image {
                height: 140px;
            }
            .section-related .section-title {
                font-size: 1.25rem;
            }
            .cta-title {
                font-size: 1.3rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .header-brand-row {
                padding: 0 12px;
            }
            .brand-logo {
                font-size: 1.05rem;
                gap: 6px;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
            }
            .header-channel-row {
                height: auto;
                padding: 6px 0;
            }
            .header-channel-inner {
                gap: 2px;
                padding: 0 8px;
            }
            .nav-channel-link {
                padding: 5px 10px;
                font-size: 0.75rem;
                border-radius: 14px;
            }
            .nav-channel-highlight {
                font-size: 0.72rem;
                padding: 5px 10px;
                border-radius: 14px;
            }
            .nav-channel-sep {
                height: 14px;
                margin: 0 1px;
            }

            .article-banner {
                padding: 24px 0 20px;
            }
            .article-banner-title {
                font-size: 1.2rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                gap: 4px;
                margin-bottom: 10px;
            }
            .article-banner-meta {
                font-size: 0.78rem;
                gap: 10px;
            }
            .article-content-area {
                padding: 16px 14px;
                border-radius: var(--radius-sm);
            }
            .article-body {
                font-size: 0.92rem;
                line-height: 1.7;
            }
            .article-body h2 {
                font-size: 1.2rem;
            }
            .article-body h3 {
                font-size: 1.05rem;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .related-card-image {
                height: 160px;
            }
            .section-cta {
                padding: 36px 16px;
            }
            .cta-title {
                font-size: 1.15rem;
            }
            .btn-cta-primary {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }