/* roulang page: index */
:root {
            --color-primary: #1a1a3e;
            --color-primary-light: #252560;
            --color-accent: #f0a830;
            --color-accent-hover: #e6951a;
            --color-accent-light: #fef3e0;
            --color-cta: #e04960;
            --color-cta-hover: #c73a4e;
            --color-bg: #f8f9fc;
            --color-bg-alt: #f0f1f7;
            --color-surface: #ffffff;
            --color-surface-hover: #fafbfd;
            --color-text: #1a1a2e;
            --color-text-secondary: #5a5d72;
            --color-text-muted: #8b8ea3;
            --color-border: #e2e4ed;
            --color-border-light: #eef0f6;
            --color-success: #2ecc71;
            --color-star: #f5c842;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(26, 26, 62, 0.06);
            --shadow-md: 0 4px 16px rgba(26, 26, 62, 0.08);
            --shadow-lg: 0 8px 32px rgba(26, 26, 62, 0.12);
            --shadow-xl: 0 16px 48px rgba(26, 26, 62, 0.16);
            --shadow-glow: 0 4px 24px rgba(240, 168, 48, 0.25);
            --font-sans: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-display: 'Noto Sans SC', 'Inter', sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s ease;
            --container-max: 1200px;
            --container-narrow: 960px;
            --nav-brand-height: 64px;
            --nav-channel-height: 48px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        ::selection {
            background-color: var(--color-accent);
            color: var(--color-primary);
        }

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

        /* Container */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .container--narrow {
            max-width: var(--container-narrow);
        }

        /* Header / Nav - 杂志频道导航 */
        .site-header {
            background: var(--color-surface);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--color-border-light);
        }

        /* 品牌行 */
        .nav-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;
        }

        .nav-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: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

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

        .nav-search-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            font-size: 1rem;
        }

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

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--color-cta);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 50px;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: var(--color-cta-hover);
            box-shadow: 0 4px 16px rgba(224, 73, 96, 0.35);
            transform: translateY(-1px);
        }

        .nav-cta-btn i {
            font-size: 0.8rem;
        }

        /* 频道行 */
        .nav-channel-row {
            background: var(--color-bg-alt);
            border-top: 1px solid var(--color-border-light);
            height: var(--nav-channel-height);
            display: flex;
            align-items: center;
        }

        .nav-channel-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 4px;
            width: 100%;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-channel-inner::-webkit-scrollbar {
            display: none;
        }

        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 50px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-channel-link:hover {
            color: var(--color-primary);
            background: rgba(26, 26, 62, 0.04);
        }

        .nav-channel-link.active {
            color: var(--color-primary);
            font-weight: 700;
            background: var(--color-surface);
            box-shadow: var(--shadow-sm);
        }

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

        /* 移动端菜单按钮 */
        .nav-mobile-toggle {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            color: var(--color-text);
            font-size: 1.3rem;
            transition: background var(--transition-fast);
        }

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

        /* Mobile nav overlay */
        .nav-mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .nav-mobile-overlay.open {
            display: block;
            opacity: 1;
        }

        .nav-mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            max-width: 85vw;
            height: 100%;
            background: var(--color-surface);
            z-index: 1001;
            padding: 24px;
            overflow-y: auto;
            transition: right var(--transition-slow);
            box-shadow: var(--shadow-xl);
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .nav-mobile-drawer.open {
            right: 0;
        }

        .nav-mobile-drawer .nav-mobile-close {
            align-self: flex-end;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
        }

        .nav-mobile-drawer .nav-mobile-close:hover {
            background: var(--color-bg-alt);
            color: var(--color-text);
        }

        .nav-mobile-drawer .nav-mobile-link {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .nav-mobile-drawer .nav-mobile-link:hover,
        .nav-mobile-drawer .nav-mobile-link.active {
            background: var(--color-accent-light);
            color: var(--color-primary);
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #0f0f2a 0%, #1a1a3e 40%, #1e1e4a 100%);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(240, 168, 48, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(224, 73, 96, 0.08) 0%, transparent 55%),
                linear-gradient(180deg, rgba(15, 15, 42, 0.55) 0%, rgba(26, 26, 62, 0.7) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            padding-top: 60px;
            padding-bottom: 60px;
        }

        .hero-content {
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(240, 168, 48, 0.15);
            border: 1px solid rgba(240, 168, 48, 0.3);
            color: var(--color-accent);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 0.02em;
        }

        .hero-badge .badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(240, 168, 48, 0.6);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(240, 168, 48, 0);
            }
        }

        .hero h1 {
            font-family: var(--font-display);
            font-size: 3.2rem;
            font-weight: 900;
            color: #ffffff;
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin-bottom: 18px;
        }

        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--color-accent) 0%, #f5c842 50%, var(--color-accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 540px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 50px;
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.01em;
            position: relative;
            overflow: hidden;
        }

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
            box-shadow: var(--shadow-glow);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 28px rgba(240, 168, 48, 0.4);
            transform: translateY(-2px);
        }

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

        .btn-outline {
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.35);
        }

        .btn-outline:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

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

        .btn-cta {
            background: var(--color-cta);
            color: #fff;
            box-shadow: 0 4px 18px rgba(224, 73, 96, 0.35);
        }

        .btn-cta:hover {
            background: var(--color-cta-hover);
            box-shadow: 0 6px 24px rgba(224, 73, 96, 0.5);
            transform: translateY(-2px);
        }

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

        .btn-lg {
            padding: 16px 34px;
            font-size: 1.05rem;
            font-weight: 700;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.82rem;
            font-weight: 500;
        }

        .hero-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        /* Section common */
        .section {
            padding: var(--section-gap) 0;
        }

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

        .section--dark {
            background: var(--color-primary);
            color: #fff;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-family: var(--font-display);
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-muted);
            max-width: 520px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section--dark .section-header h2 {
            color: #fff;
        }

        .section--dark .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        /* Features grid */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 32px 24px 28px;
            text-align: center;
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            position: relative;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .feature-card-icon {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            background: var(--color-accent-light);
            color: var(--color-accent);
            transition: all var(--transition-base);
        }

        .feature-card:hover .feature-card-icon {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-primary);
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* Category card */
        .category-entry-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            max-width: 700px;
            margin: 0 auto;
        }

        .category-card {
            display: flex;
            align-items: center;
            gap: 24px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            cursor: pointer;
        }

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

        .category-card-img {
            width: 180px;
            height: 140px;
            flex-shrink: 0;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin: 16px 0 16px 16px;
        }

        .category-card-body {
            padding: 20px 20px 20px 0;
            flex: 1;
        }

        .category-card-tag {
            display: inline-block;
            background: var(--color-accent-light);
            color: var(--color-accent);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .category-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .category-card p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        .category-card-arrow {
            color: var(--color-accent);
            font-size: 1.1rem;
            margin-left: 4px;
            transition: transform var(--transition-fast);
        }

        .category-card:hover .category-card-arrow {
            transform: translateX(4px);
        }

        /* Stats section */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            text-align: center;
            padding: 28px 20px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        /* CMS 资讯列表 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

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

        .article-card-img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

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

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

        .article-card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-accent);
            color: var(--color-primary);
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            z-index: 2;
        }

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

        .article-card-body h3 {
            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;
        }

        .article-card-body .article-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            margin-bottom: 12px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .article-card-meta i {
            font-size: 0.7rem;
        }

        .articles-empty {
            text-align: center;
            padding: 48px 20px;
            color: var(--color-text-muted);
            font-size: 1rem;
            grid-column: 1 / -1;
        }

        /* Compare section */
        .compare-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            max-width: 900px;
            margin: 0 auto;
        }

        .compare-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .compare-card.featured {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-glow);
            position: relative;
        }

        .compare-card.featured::before {
            content: '推荐选择';
            position: absolute;
            top: -14px;
            left: 28px;
            background: var(--color-accent);
            color: var(--color-primary);
            padding: 5px 16px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        .compare-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .compare-card h3 i {
            color: var(--color-accent);
        }

        .compare-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        .compare-list li i.fa-check {
            color: var(--color-success);
            margin-top: 3px;
            flex-shrink: 0;
        }

        .compare-list li i.fa-minus {
            color: #ccc;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            gap: 16px;
            transition: background var(--transition-fast);
        }

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

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

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

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

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

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* CTA section */
        .cta-section {
            position: relative;
            background: linear-gradient(160deg, #1a1a3e 0%, #1e1e4a 50%, #252560 100%);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            text-align: center;
            padding: 80px 0;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 60%, rgba(240, 168, 48, 0.1) 0%, transparent 60%),
                linear-gradient(180deg, rgba(26, 26, 62, 0.7) 0%, rgba(26, 26, 62, 0.85) 100%);
            z-index: 1;
        }

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

        .cta-section h2 {
            font-family: var(--font-display);
            font-size: 2.4rem;
            font-weight: 900;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-cta {
            font-size: 1.1rem;
            padding: 16px 36px;
        }

        /* Footer */
        .site-footer {
            background: #0f0f28;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand-name {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-brand-desc {
            font-size: 0.88rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.5);
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

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

        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            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;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 60px;
                --section-gap-sm: 36px;
            }

            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .compare-grid {
                grid-template-columns: 1fr;
                max-width: 500px;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .hero {
                min-height: 480px;
            }

            .section-header h2 {
                font-size: 1.8rem;
            }

            .cta-section h2 {
                font-size: 2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 44px;
                --section-gap-sm: 28px;
                --nav-brand-height: 56px;
                --nav-channel-height: 42px;
            }

            .nav-brand-row {
                padding: 0 16px;
            }

            .nav-channel-inner {
                padding: 0 12px;
                gap: 2px;
            }

            .nav-channel-link {
                padding: 6px 14px;
                font-size: 0.8rem;
            }

            .nav-cta-btn {
                padding: 8px 14px;
                font-size: 0.8rem;
            }

            .nav-logo {
                font-size: 1.1rem;
            }

            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }

            .hero {
                min-height: 400px;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .hero-desc {
                font-size: 0.95rem;
            }

            .hero-stats-row {
                gap: 20px;
                margin-top: 28px;
            }

            .hero-stat-value {
                font-size: 1.5rem;
            }

            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .feature-card {
                padding: 22px 14px 20px;
            }

            .feature-card h3 {
                font-size: 0.95rem;
            }

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

            .articles-grid {
                grid-template-columns: 1fr;
                gap: 14px;
                max-width: 450px;
                margin: 0 auto;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .stat-number {
                font-size: 2.2rem;
            }

            .section-header h2 {
                font-size: 1.6rem;
            }

            .cta-section h2 {
                font-size: 1.6rem;
            }

            .cta-section {
                padding: 56px 0;
            }

            .category-card {
                flex-direction: column;
                align-items: stretch;
            }

            .category-card-img {
                width: 100%;
                height: 160px;
                margin: 0;
                border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            }

            .category-card-body {
                padding: 16px 20px 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .btn {
                padding: 12px 22px;
                font-size: 0.88rem;
            }

            .btn-lg {
                padding: 14px 28px;
                font-size: 0.95rem;
            }

            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }

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

            .nav-brand-actions .nav-cta-btn {
                display: none;
            }

            .nav-brand-actions .nav-search-btn {
                display: none;
            }

            .nav-channel-row {
                display: flex;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-gap: 36px;
                --section-gap-sm: 22px;
                --nav-brand-height: 50px;
                --nav-channel-height: 38px;
            }

            .container {
                padding-left: 14px;
                padding-right: 14px;
            }

            .nav-brand-row {
                padding: 0 10px;
            }

            .nav-channel-inner {
                padding: 0 8px;
            }

            .nav-channel-link {
                padding: 5px 10px;
                font-size: 0.75rem;
            }

            .nav-logo {
                font-size: 1rem;
                gap: 6px;
            }

            .nav-logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }

            .hero {
                min-height: 360px;
            }

            .hero .container {
                padding-top: 36px;
                padding-bottom: 36px;
            }

            .hero h1 {
                font-size: 1.6rem;
            }

            .hero-desc {
                font-size: 0.85rem;
            }

            .hero-badge {
                font-size: 0.75rem;
                padding: 6px 14px;
            }

            .hero-stats-row {
                gap: 14px;
                margin-top: 20px;
            }

            .hero-stat-value {
                font-size: 1.3rem;
            }

            .hero-stat-label {
                font-size: 0.72rem;
            }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-card {
                padding: 20px 14px;
            }

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

            .section-header h2 {
                font-size: 1.35rem;
            }

            .section-header {
                margin-bottom: 28px;
            }

            .cta-section h2 {
                font-size: 1.4rem;
            }

            .cta-section p {
                font-size: 0.9rem;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }

            .faq-answer-inner {
                padding: 0 16px 16px;
                font-size: 0.82rem;
            }

            .compare-card {
                padding: 20px 16px;
            }

            .compare-card.featured::before {
                left: 16px;
                font-size: 0.7rem;
                padding: 4px 12px;
                top: -11px;
            }
        }

        /* 辅助类 */
        .text-accent {
            color: var(--color-accent);
        }
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }

/* roulang page: article */
:root {
            --color-primary: #1a3c5e;
            --color-primary-light: #1f4d78;
            --color-accent: #e8a817;
            --color-accent-light: #f5c842;
            --color-accent-dark: #c48f10;
            --color-bg: #f4f6f9;
            --color-bg-white: #ffffff;
            --color-bg-dark: #0f2137;
            --color-bg-card: #ffffff;
            --color-text: #1e293b;
            --color-text-light: #475569;
            --color-text-muted: #94a3b8;
            --color-text-white: #f1f5f9;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-tag-bg: #eff6ff;
            --color-tag-text: #1e40af;
            --color-danger: #dc2626;
            --color-success: #16a34a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-lg: 0 10px 30px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.05);
            --shadow-xl: 0 20px 50px rgba(0,0,0,0.12), 0 8px 16px rgba(0,0,0,0.06);
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1200px;
            --max-width-article: 780px;
        }

        *, *::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-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

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

        ul, ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container--article {
            max-width: var(--max-width-article);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: var(--color-bg-white);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--color-border-light);
        }

        .nav-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            gap: 16px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }
        .nav-logo:hover {
            opacity: 0.85;
        }
        .nav-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-md);
            color: var(--color-accent);
            font-size: 1rem;
        }

        .nav-brand-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-search-btn {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-light);
            font-size: 1.05rem;
            transition: all var(--transition-fast);
            background: var(--color-bg);
        }
        .nav-search-btn:hover {
            background: var(--color-border);
            color: var(--color-text);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
            color: #1a1a1a;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(232,168,23,0.3);
        }
        .nav-cta-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(232,168,23,0.4);
            color: #1a1a1a;
        }
        .nav-cta-btn i {
            font-size: 0.85rem;
        }

        .nav-mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-text);
            background: var(--color-bg);
            transition: background var(--transition-fast);
        }
        .nav-mobile-toggle:hover {
            background: var(--color-border);
        }

        /* 频道行 */
        .nav-channel-row {
            background: var(--color-primary);
            border-top: 1px solid rgba(255,255,255,0.08);
        }
        .nav-channel-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0 20px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-channel-inner::-webkit-scrollbar {
            display: none;
        }
        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 13px 18px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255,255,255,0.78);
            white-space: nowrap;
            border-bottom: 3px solid transparent;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav-channel-link:hover {
            color: #ffffff;
            background: rgba(255,255,255,0.06);
        }
        .nav-channel-link.active {
            color: #ffffff;
            font-weight: 600;
            border-bottom-color: var(--color-accent);
        }
        .channel-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: rgba(255,255,255,0.35);
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }
        .nav-channel-link.active .channel-dot {
            background: var(--color-accent);
            box-shadow: 0 0 8px rgba(232,168,23,0.6);
        }
        .nav-channel-link:hover .channel-dot {
            background: rgba(255,255,255,0.6);
        }

        /* ========== ARTICLE BANNER ========== */
        .article-banner {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            background: var(--color-bg-dark) center/cover no-repeat;
            background-image: url('/assets/images/backpic/back-1.png');
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15,33,55,0.7) 0%, rgba(15,33,55,0.85) 40%, rgba(15,33,55,0.92) 100%);
            z-index: 1;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light), var(--color-accent));
            z-index: 2;
        }
        .article-banner-content {
            position: relative;
            z-index: 3;
            width: 100%;
            max-width: var(--max-width-article);
            margin: 0 auto;
            padding: 50px 24px;
            text-align: center;
        }
        .article-banner-category {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(232,168,23,0.2);
            color: var(--color-accent-light);
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: var(--radius-full);
            letter-spacing: 0.03em;
            margin-bottom: 16px;
            border: 1px solid rgba(232,168,23,0.3);
        }
        .article-banner-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            text-shadow: 0 2px 8px rgba(0,0,0,0.3);
        }
        .article-banner-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            color: rgba(255,255,255,0.75);
            font-size: 0.9rem;
        }
        .article-banner-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .article-banner-meta i {
            color: var(--color-accent-light);
            font-size: 0.8rem;
        }

        /* ========== MAIN LAYOUT ========== */
        .main-content {
            flex: 1;
            padding: 0 0 60px;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrap {
            max-width: var(--max-width-article);
            margin: 0 auto;
            padding: 18px 24px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.875rem;
            color: var(--color-text-muted);
        }
        .breadcrumb a {
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-sep {
            color: var(--color-text-muted);
            font-size: 0.7rem;
        }
        .breadcrumb-current {
            color: var(--color-text);
            font-weight: 500;
        }

        /* ========== ARTICLE CONTENT AREA ========== */
        .article-section {
            max-width: var(--max-width-article);
            margin: 0 auto;
            padding: 24px 24px 0;
        }
        .article-featured-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 28px;
            box-shadow: var(--shadow-lg);
        }
        .article-featured-image img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            max-height: 440px;
        }
        .article-body {
            font-size: 1.0625rem;
            line-height: 1.82;
            color: var(--color-text);
            letter-spacing: 0.01em;
        }
        .article-body h2 {
            font-family: var(--font-heading);
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 36px 0 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-border);
            letter-spacing: -0.01em;
        }
        .article-body h3 {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 26px 0 10px;
            letter-spacing: 0;
        }
        .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: 8px;
            padding-left: 4px;
        }
        .article-body blockquote {
            margin: 20px 0;
            padding: 16px 20px;
            background: #f8fafc;
            border-left: 4px solid var(--color-accent);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--color-text-light);
        }
        .article-body img {
            max-width: 100%;
            border-radius: var(--radius-md);
            margin: 20px 0;
        }
        .article-body a {
            color: var(--color-primary);
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: var(--color-primary-light);
        }
        .article-body strong {
            font-weight: 600;
        }
        .article-body code {
            background: #f1f5f9;
            padding: 2px 6px;
            border-radius: 4px;
            font-size: 0.9em;
            font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
        }

        /* 文章元信息栏 */
        .article-meta-bar {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            padding-bottom: 18px;
            margin-bottom: 20px;
            border-bottom: 1px solid var(--color-border);
        }
        .article-meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 12px;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            font-size: 0.82rem;
            font-weight: 500;
            border-radius: var(--radius-full);
        }
        .article-meta-date {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .article-meta-date i {
            font-size: 0.8rem;
        }
        .article-share-btns {
            margin-left: auto;
            display: flex;
            gap: 8px;
        }
        .article-share-btn {
            width: 34px;
            height: 34px;
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            background: var(--color-bg);
            color: var(--color-text-light);
            transition: all var(--transition-fast);
        }
        .article-share-btn:hover {
            background: var(--color-primary);
            color: #ffffff;
        }

        /* 内容未找到 */
        .article-not-found {
            text-align: center;
            padding: 60px 24px;
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .article-not-found-icon {
            font-size: 3.5rem;
            color: var(--color-text-muted);
            margin-bottom: 18px;
        }
        .article-not-found h2 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
        }
        .article-not-found p {
            color: var(--color-text-light);
            margin-bottom: 20px;
            font-size: 0.95rem;
        }
        .article-not-found .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 24px;
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 600;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            font-size: 0.95rem;
        }
        .article-not-found .btn-back:hover {
            background: var(--color-primary-light);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        /* ========== RELATED ARTICLES ========== */
        .related-section {
            max-width: var(--max-width);
            margin: 50px auto 0;
            padding: 0 24px;
        }
        .related-section-header {
            text-align: center;
            margin-bottom: 32px;
        }
        .related-section-header h3 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.01em;
        }
        .related-section-header .related-subtitle {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 6px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .related-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
        }
        .related-card-image {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .related-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .related-card:hover .related-card-image img {
            transform: scale(1.05);
        }
        .related-card-body {
            padding: 16px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .related-card-title {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.4;
            margin-bottom: 6px;
            transition: color var(--transition-fast);
        }
        .related-card:hover .related-card-title {
            color: var(--color-primary);
        }
        .related-card-desc {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            max-width: var(--max-width);
            margin: 50px auto 0;
            padding: 0 24px;
        }
        .cta-block {
            background: linear-gradient(135deg, var(--color-primary) 0%, #152d4a 50%, var(--color-bg-dark) 100%);
            border-radius: var(--radius-xl);
            padding: 44px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            background: rgba(232,168,23,0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-block::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 120px;
            height: 120px;
            background: rgba(232,168,23,0.06);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-block-content {
            position: relative;
            z-index: 1;
        }
        .cta-block h3 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .cta-block p {
            color: rgba(255,255,255,0.8);
            font-size: 1rem;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .cta-block .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
            color: #1a1a1a;
            font-weight: 700;
            font-size: 1.05rem;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(232,168,23,0.35);
            letter-spacing: 0.01em;
        }
        .cta-block .btn-cta-large:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232,168,23,0.5);
            color: #1a1a1a;
        }
        .cta-block .btn-cta-large i {
            font-size: 1.1rem;
        }

        /* ========== FAQ COMPACT ========== */
        .faq-compact-section {
            max-width: var(--max-width-article);
            margin: 40px auto 0;
            padding: 0 24px;
        }
        .faq-compact-section h4 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .faq-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .faq-item-q {
            font-weight: 600;
            color: var(--color-text);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item-q i {
            color: var(--color-accent);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .faq-item-a {
            margin-top: 8px;
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.6;
            padding-left: 24px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-white);
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #ffffff;
            letter-spacing: -0.01em;
        }
        .footer-brand-desc {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.65);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.65);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 18px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .article-banner-title {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .nav-brand-row {
                padding: 10px 16px;
            }
            .nav-cta-btn {
                padding: 8px 14px;
                font-size: 0.82rem;
                gap: 4px;
            }
            .nav-cta-btn i {
                font-size: 0.75rem;
            }
            .nav-mobile-toggle {
                display: flex;
            }
            .nav-channel-row {
                max-height: 0;
                overflow: hidden;
                transition: max-height var(--transition-base);
            }
            .nav-channel-row.mobile-open {
                max-height: 200px;
            }
            .nav-channel-inner {
                flex-direction: column;
                align-items: stretch;
                padding: 8px 16px;
                gap: 2px;
            }
            .nav-channel-link {
                border-bottom: none;
                border-left: 3px solid transparent;
                padding: 10px 14px;
                border-radius: var(--radius-sm);
            }
            .nav-channel-link.active {
                border-bottom: none;
                border-left-color: var(--color-accent);
                background: rgba(255,255,255,0.08);
            }
            .article-banner {
                min-height: 240px;
            }
            .article-banner-title {
                font-size: 1.5rem;
            }
            .article-banner-content {
                padding: 36px 18px;
            }
            .article-section {
                padding: 18px 16px 0;
            }
            .article-body {
                font-size: 1rem;
                line-height: 1.75;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .related-card-image {
                height: 200px;
            }
            .cta-block {
                padding: 32px 20px;
            }
            .cta-block h3 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .article-meta-bar {
                flex-wrap: wrap;
                gap: 10px;
            }
            .article-share-btns {
                margin-left: 0;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .nav-cta-btn span {
                display: none;
            }
            .nav-cta-btn {
                padding: 9px 12px;
                border-radius: var(--radius-full);
            }
            .nav-cta-btn i {
                font-size: 0.9rem;
                margin: 0;
            }
            .article-banner {
                min-height: 200px;
            }
            .article-banner-title {
                font-size: 1.3rem;
            }
            .article-banner-content {
                padding: 28px 14px;
            }
            .article-banner-meta {
                font-size: 0.8rem;
                gap: 10px;
            }
            .breadcrumb-wrap {
                padding: 12px 14px 0;
            }
            .article-section {
                padding: 14px 12px 0;
            }
            .article-featured-image {
                border-radius: var(--radius-md);
                margin-bottom: 18px;
            }
            .article-body {
                font-size: 0.95rem;
            }
            .article-body h2 {
                font-size: 1.3rem;
                margin: 24px 0 10px;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
            .cta-block {
                padding: 24px 16px;
                border-radius: var(--radius-lg);
            }
            .cta-block h3 {
                font-size: 1.2rem;
            }
            .cta-block p {
                font-size: 0.9rem;
            }
            .cta-block .btn-cta-large {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
            .faq-compact-section {
                padding: 0 12px;
            }
            .faq-item {
                padding: 12px 14px;
            }
            .related-section {
                padding: 0 12px;
                margin-top: 36px;
            }
            .related-section-header h3 {
                font-size: 1.25rem;
            }
            .container {
                padding: 0 12px;
            }
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #0f1f3d;
            --color-primary-light: #1a3560;
            --color-primary-dark: #0a1528;
            --color-accent: #ff5c35;
            --color-accent-hover: #e84a25;
            --color-accent-light: #ff7d5e;
            --color-gold: #f0a828;
            --color-gold-light: #f9c74f;
            --color-bg: #f7f8fa;
            --color-bg-white: #ffffff;
            --color-bg-card: #ffffff;
            --color-bg-dark: #0f1f3d;
            --color-bg-alt: #edf0f5;
            --color-text: #1a1a2e;
            --color-text-secondary: #4a5568;
            --color-text-weak: #8895a7;
            --color-text-white: #ffffff;
            --color-border: #e2e6ed;
            --color-border-light: #eef1f5;
            --color-success: #10b981;
            --color-danger: #ef4444;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.05);
            --shadow-xl: 0 20px 48px rgba(0,0,0,0.14), 0 8px 16px rgba(0,0,0,0.06);
            --shadow-accent: 0 6px 20px rgba(255,92,53,0.30);
            --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.40s ease;
            --container-max: 1200px;
            --container-narrow: 960px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

        /* ============ Reset & Base ============ */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }
        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, textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul, ol {
            list-style: none;
        }
        h1, h2, h3, h4, h5, h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text);
        }
        h1 { font-size: 2.5rem; }
        h2 { font-size: 2rem; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }

        /* ============ Container ============ */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: var(--container-narrow);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ Section Spacing ============ */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 1.08rem;
            color: var(--color-text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-desc {
            margin: 0 auto;
        }

        /* ============ Header / Navigation - 杂志频道风格 ============ */
        .site-header {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        .nav-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 14px 24px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            transition: opacity var(--transition-fast);
        }
        .nav-logo:hover {
            opacity: 0.82;
            color: var(--color-primary);
        }
        .nav-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-gold));
            border-radius: var(--radius-md);
            color: #fff;
            font-size: 1rem;
        }
        .nav-brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            transition: all var(--transition-fast);
            background: var(--color-bg-alt);
        }
        .nav-search-btn:hover {
            background: var(--color-border);
            color: var(--color-primary);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 20px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            white-space: nowrap;
            box-shadow: var(--shadow-accent);
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(255,92,53,0.40);
        }
        .nav-mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 1.25rem;
            background: var(--color-bg-alt);
            transition: all var(--transition-fast);
        }
        .nav-mobile-toggle:hover {
            background: var(--color-border);
        }
        /* 频道行 */
        .nav-channel-row {
            background: var(--color-primary);
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .nav-channel-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-channel-inner::-webkit-scrollbar {
            display: none;
        }
        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 13px 18px;
            font-size: 0.92rem;
            font-weight: 600;
            color: rgba(255,255,255,0.78);
            white-space: nowrap;
            border-bottom: 3px solid transparent;
            transition: all var(--transition-fast);
            border-radius: 2px 2px 0 0;
            letter-spacing: 0.01em;
            position: relative;
        }
        .nav-channel-link:hover {
            color: #fff;
            background: rgba(255,255,255,0.06);
        }
        .nav-channel-link.active {
            color: #fff;
            border-bottom-color: var(--color-accent);
            background: rgba(255,255,255,0.05);
        }
        .channel-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: currentColor;
            opacity: 0.5;
            flex-shrink: 0;
        }
        .nav-channel-link.active .channel-dot {
            opacity: 1;
            background: var(--color-accent);
            box-shadow: 0 0 8px rgba(255,92,53,0.6);
        }
        /* 搜索栏 */
        .search-bar-panel {
            display: none;
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border);
            padding: 14px 0;
        }
        .search-bar-panel.show {
            display: block;
        }
        .search-bar-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            gap: 10px;
        }
        .search-bar-input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            background: var(--color-bg);
            transition: all var(--transition-fast);
        }
        .search-bar-input:focus {
            border-color: var(--color-accent);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(255,92,53,0.08);
        }
        .search-bar-submit {
            padding: 12px 24px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .search-bar-submit:hover {
            background: var(--color-accent-hover);
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-bar {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: 12px 0;
        }
        .breadcrumb-list {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            font-size: 0.88rem;
            color: var(--color-text-weak);
        }
        .breadcrumb-list a {
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb-list a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-sep {
            font-size: 0.7rem;
            color: var(--color-text-weak);
            margin: 0 2px;
        }
        .breadcrumb-current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ============ 分类页 Banner ============ */
        .category-banner {
            position: relative;
            padding: 60px 0 56px;
            background: var(--color-primary);
            overflow: hidden;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15,31,61,0.75) 0%, rgba(15,31,61,0.92) 100%);
            z-index: 1;
        }
        .category-banner-content {
            position: relative;
            z-index: 2;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 14px;
        }
        .category-banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.22);
            border-radius: var(--radius-full);
            color: #fff;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            backdrop-filter: blur(8px);
        }
        .category-banner-badge i {
            color: var(--color-accent);
            font-size: 0.75rem;
        }
        .category-banner-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .category-banner-desc {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.78);
            max-width: 580px;
            line-height: 1.65;
        }
        .category-banner-stats {
            display: flex;
            gap: 28px;
            margin-top: 8px;
            flex-wrap: wrap;
        }
        .category-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255,255,255,0.85);
            font-size: 0.9rem;
        }
        .category-stat-item strong {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-accent);
        }

        /* ============ 攻略内容区域 ============ */
        .guides-section {
            padding: var(--section-gap) 0 40px;
        }
        .guides-layout {
            display: flex;
            gap: 36px;
            align-items: flex-start;
        }
        .guides-main {
            flex: 1;
            min-width: 0;
        }
        .guides-sidebar {
            width: 320px;
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            gap: 28px;
            position: sticky;
            top: 120px;
        }

        /* 标签筛选 */
        .tag-filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 32px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--color-border-light);
        }
        .tag-filter-label {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-text-secondary);
            white-space: nowrap;
        }
        .tag-filter-btn {
            padding: 7px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            background: var(--color-bg-alt);
            border: 1.5px solid transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
        }
        .tag-filter-btn:hover {
            background: #fff;
            border-color: var(--color-border);
            color: var(--color-primary);
        }
        .tag-filter-btn.active {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            box-shadow: var(--shadow-accent);
        }

        /* 攻略卡片网格 */
        .guides-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .guide-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .guide-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
        }
        .guide-card-img-wrap {
            position: relative;
            width: 100%;
            padding-top: 56%;
            overflow: hidden;
            background: var(--color-bg-alt);
        }
        .guide-card-img-wrap img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .guide-card:hover .guide-card-img-wrap img {
            transform: scale(1.06);
        }
        .guide-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            z-index: 2;
            letter-spacing: 0.02em;
        }
        .guide-card-hot {
            position: absolute;
            top: 12px;
            right: 12px;
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 5px 10px;
            background: rgba(0,0,0,0.65);
            color: var(--color-gold-light);
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            z-index: 2;
            backdrop-filter: blur(6px);
        }
        .guide-card-hot i {
            font-size: 0.65rem;
        }
        .guide-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .guide-card-title {
            font-size: 1.08rem;
            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);
        }
        .guide-card:hover .guide-card-title {
            color: var(--color-accent);
        }
        .guide-card-excerpt {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .guide-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 10px;
            font-size: 0.8rem;
            color: var(--color-text-weak);
        }
        .guide-card-date {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .guide-card-link {
            font-weight: 600;
            color: var(--color-accent);
            font-size: 0.82rem;
            display: flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }
        .guide-card-link:hover {
            gap: 8px;
            color: var(--color-accent-hover);
        }

        /* ============ 侧边栏 ============ */
        .sidebar-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .sidebar-card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card-title i {
            color: var(--color-accent);
            font-size: 0.9rem;
        }
        .hot-list-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .hot-list-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .hot-list-item:hover {
            padding-left: 4px;
        }
        .hot-list-rank {
            width: 28px;
            height: 28px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 800;
            flex-shrink: 0;
            color: #fff;
            background: var(--color-text-weak);
        }
        .hot-list-rank.top1 { background: #ef4444; }
        .hot-list-rank.top2 { background: #f59e0b; }
        .hot-list-rank.top3 { background: #3b82f6; }
        .hot-list-info {
            flex: 1;
            min-width: 0;
        }
        .hot-list-title {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .hot-list-item:hover .hot-list-title {
            color: var(--color-accent);
        }
        .hot-list-meta {
            font-size: 0.75rem;
            color: var(--color-text-weak);
            margin-top: 4px;
        }

        /* 侧边栏CTA */
        .sidebar-cta-card {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            color: #fff;
            text-align: center;
            box-shadow: var(--shadow-md);
        }
        .sidebar-cta-card i {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 10px;
            display: block;
        }
        .sidebar-cta-card h4 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .sidebar-cta-card p {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.75);
            margin-bottom: 14px;
            line-height: 1.5;
        }
        .sidebar-cta-btn {
            display: inline-block;
            padding: 10px 22px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-accent);
        }
        .sidebar-cta-btn:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ============ CTA 区域 ============ */
        .cta-section {
            background: linear-gradient(160deg, var(--color-primary) 0%, #1a3c6e 50%, var(--color-primary-dark) 100%);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-section .section-title {
            color: #fff;
        }
        .cta-section .section-desc {
            color: rgba(255,255,255,0.75);
            margin: 0 auto 32px;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-btn-primary {
            padding: 14px 32px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            border-radius: var(--radius-full);
            font-size: 1rem;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-accent);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255,92,53,0.45);
            color: #fff;
        }
        .cta-btn-outline {
            padding: 14px 32px;
            background: transparent;
            color: #fff;
            font-weight: 700;
            border-radius: var(--radius-full);
            font-size: 1rem;
            border: 2px solid rgba(255,255,255,0.4);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-btn-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
            color: #fff;
        }

        /* ============ FAQ 区域 ============ */
        .faq-section {
            background: var(--color-bg-white);
            padding: var(--section-gap) 0;
        }
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question i {
            font-size: 0.8rem;
            color: var(--color-text-weak);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255,255,255,0.72);
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .footer-brand-desc {
            line-height: 1.65;
            font-size: 0.88rem;
            color: rgba(255,255,255,0.55);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 14px;
            font-weight: 700;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 9px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .guides-layout {
                flex-direction: column;
            }
            .guides-sidebar {
                width: 100%;
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 16px;
            }
            .guides-sidebar .sidebar-card,
            .guides-sidebar .sidebar-cta-card {
                flex: 1;
                min-width: 240px;
            }
            .guides-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .category-banner-title {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-mobile-toggle {
                display: flex;
            }
            .nav-cta-btn {
                display: none;
            }
            .nav-channel-inner {
                padding: 0 12px;
                gap: 0;
            }
            .nav-channel-link {
                padding: 11px 12px;
                font-size: 0.82rem;
            }
            .guides-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .guides-sidebar {
                flex-direction: column;
            }
            .category-banner {
                padding: 40px 0 36px;
            }
            .category-banner-title {
                font-size: 1.6rem;
            }
            .category-banner-desc {
                font-size: 0.95rem;
            }
            .category-banner-stats {
                gap: 16px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section {
                padding: 48px 0;
            }
            .tag-filter-bar {
                gap: 6px;
            }
            .tag-filter-btn {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-section {
                padding: 40px 0;
            }
            .faq-section {
                padding: 48px 0;
            }
            .search-bar-inner {
                flex-direction: column;
            }
        }
        @media (max-width: 520px) {
            .nav-brand-row {
                padding: 10px 14px;
            }
            .nav-logo {
                font-size: 1.1rem;
                gap: 6px;
            }
            .nav-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }
            .nav-channel-link {
                padding: 10px 10px;
                font-size: 0.76rem;
                gap: 4px;
            }
            .channel-dot {
                width: 4px;
                height: 4px;
            }
            .category-banner {
                padding: 30px 0 28px;
            }
            .category-banner-title {
                font-size: 1.35rem;
            }
            .category-banner-badge {
                font-size: 0.72rem;
                padding: 5px 10px;
            }
            .category-stat-item strong {
                font-size: 1.2rem;
            }
            .guide-card-body {
                padding: 14px 14px 16px;
            }
            .guide-card-title {
                font-size: 0.95rem;
            }
            .guide-card-excerpt {
                font-size: 0.8rem;
            }
            .container {
                padding: 0 14px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .cta-btn-primary,
            .cta-btn-outline {
                padding: 12px 22px;
                font-size: 0.88rem;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }