/* roulang page: index */
:root {
            --bg-primary: #0a0e14;
            --bg-secondary: #111620;
            --bg-card: #161c26;
            --bg-card-hover: #1c2330;
            --bg-elevated: #1a2130;
            --text-primary: #e8e8ec;
            --text-secondary: #b0b5bf;
            --text-weak: #6b717d;
            --accent-gold: #d4a853;
            --accent-gold-light: #e8c573;
            --accent-blue: #4d8ce6;
            --accent-blue-dark: #3568b8;
            --accent-red: #e0554a;
            --accent-green: #3dae6e;
            --border-default: #1e2634;
            --border-light: #252d3a;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.45);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.55);
            --shadow-gold: 0 4px 24px rgba(212, 168, 83, 0.18);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            --container-max: 1240px;
            --container-narrow: 960px;
            --nav-height: 68px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

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

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: all var(--transition-base);
        }
        button:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        input {
            font-family: inherit;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        input:focus {
            outline: none;
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.12);
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-display);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
        }
        h1 {
            font-size: 3rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2.2rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            color: var(--text-secondary);
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 28px;
        }
        .container--narrow {
            max-width: var(--container-narrow);
        }

        /* HEADER / NAV */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 20, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-default);
            height: var(--nav-height);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(10, 14, 20, 0.96);
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 20px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            color: var(--text-primary);
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #b8923c 100%);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.25rem;
            color: #0a0e14;
            letter-spacing: 0;
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }
        .logo-text {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
            color: var(--text-primary);
        }
        .logo-text span {
            color: var(--accent-gold);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--text-primary);
            background: var(--bg-card);
        }
        .nav-links a.active {
            color: var(--text-primary);
            background: var(--bg-card);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 24px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #c49a3c 100%);
            color: #0a0e14 !important;
            white-space: nowrap;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-gold);
            flex-shrink: 0;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 168, 83, 0.3);
            background: linear-gradient(135deg, var(--accent-gold-light) 0%, #d4a853 100%);
            color: #0a0e14 !important;
        }
        .nav-cta svg {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
        }
        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: var(--bg-card);
            color: var(--text-primary);
            font-size: 1.4rem;
            flex-shrink: 0;
        }
        .mobile-menu-toggle:hover {
            background: var(--bg-card-hover);
        }

        /* HERO */
        .hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-color: #080b10;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center 30%;
            opacity: 0.55;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(10, 14, 20, 0.4) 0%, rgba(10, 14, 20, 0.7) 40%, rgba(10, 14, 20, 0.94) 100%);
        }
        .hero-overlay::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 55% 35%, rgba(212, 168, 83, 0.12) 0%, transparent 60%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            padding: 60px 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            border-radius: 50px;
            background: rgba(212, 168, 83, 0.15);
            border: 1px solid rgba(212, 168, 83, 0.3);
            color: var(--accent-gold-light);
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }
        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-gold);
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(212, 168, 83, 0.7);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(212, 168, 83, 0);
            }
        }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            letter-spacing: -0.025em;
            line-height: 1.18;
            margin-bottom: 18px;
            color: #ffffff;
        }
        .hero h1 .highlight {
            color: var(--accent-gold);
            position: relative;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: #c5c9d2;
            margin-bottom: 32px;
            max-width: 560px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #c49a3c 100%);
            color: #0a0e14;
            box-shadow: var(--shadow-gold);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(212, 168, 83, 0.35);
            background: linear-gradient(135deg, var(--accent-gold-light) 0%, #d4a853 100%);
        }
        .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, 0.06);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.88rem;
            border-radius: 50px;
        }
        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            padding: 6px 0;
        }
        .btn-text:hover {
            color: var(--accent-gold-light);
            gap: 10px;
        }
        .btn-text svg {
            width: 16px;
            height: 16px;
            transition: transform var(--transition-fast);
        }
        .btn-text:hover svg {
            transform: translateX(3px);
        }

        /* SECTION COMMONS */
        .section {
            padding: var(--section-gap) 0;
        }
        .section--dark {
            background: var(--bg-secondary);
        }
        .section--darker {
            background: #080b10;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            margin-bottom: 12px;
            color: #ffffff;
        }
        .section-header .section-subtitle {
            color: var(--text-weak);
            font-size: 1.05rem;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent-gold);
            margin-bottom: 10px;
        }

        /* STATS ROW */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), transparent);
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-light);
        }
        .stat-card:hover::before {
            opacity: 1;
        }
        .stat-value {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #ffffff;
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-value .unit {
            font-size: 1.2rem;
            font-weight: 400;
            color: var(--accent-gold);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-weak);
            font-weight: 500;
        }

        /* CATEGORY CARDS */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .category-card {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-light);
        }
        .category-card-img {
            width: 100%;
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .category-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .category-card:hover .category-card-img img {
            transform: scale(1.06);
        }
        .category-card-img .img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(10, 14, 20, 0.85) 100%);
        }
        .category-card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            color: #ffffff;
        }
        .category-card-body p {
            font-size: 0.9rem;
            color: var(--text-weak);
            margin-bottom: 16px;
            flex: 1;
        }
        .category-tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(212, 168, 83, 0.12);
            color: var(--accent-gold-light);
            align-self: flex-start;
        }
        .category-card .card-link-wrap {
            padding: 0 22px 20px;
        }

        /* FEATURED REVIEW */
        .featured-review {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .featured-review-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            aspect-ratio: 4 / 3;
        }
        .featured-review-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .featured-review-img .review-score-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--accent-gold);
            color: #0a0e14;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.5rem;
            box-shadow: var(--shadow-gold);
        }
        .featured-review-content h3 {
            font-size: 1.6rem;
            margin-bottom: 14px;
            color: #ffffff;
        }
        .featured-review-content p {
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.75;
        }
        .review-meta {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .review-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-weak);
        }
        .review-meta-item .meta-icon {
            width: 18px;
            height: 18px;
            color: var(--accent-gold);
        }

        /* CMS LIST */
        .cms-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .cms-item {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .cms-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-light);
            background: var(--bg-card-hover);
        }
        .cms-item .cms-category {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--accent-gold);
            text-transform: uppercase;
            align-self: flex-start;
        }
        .cms-item .cms-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.4;
        }
        .cms-item .cms-title a {
            color: inherit;
            transition: color var(--transition-fast);
        }
        .cms-item .cms-title a:hover {
            color: var(--accent-gold-light);
        }
        .cms-item .cms-excerpt {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .cms-item .cms-time {
            font-size: 0.8rem;
            color: var(--text-weak);
            opacity: 0.7;
        }
        .cms-empty {
            text-align: center;
            padding: 48px 20px;
            color: var(--text-weak);
            font-size: 1rem;
            grid-column: 1 / -1;
        }

        /* COMPARISON TABLE */
        .comparison-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-default);
        }
        .comparison-table {
            width: 100%;
            min-width: 700px;
            border-collapse: collapse;
            text-align: left;
        }
        .comparison-table thead th {
            background: var(--bg-elevated);
            padding: 16px 20px;
            font-weight: 700;
            font-size: 0.9rem;
            color: #ffffff;
            border-bottom: 2px solid var(--border-light);
            white-space: nowrap;
        }
        .comparison-table tbody td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--border-default);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .comparison-table tbody tr:hover td {
            background: rgba(255, 255, 255, 0.015);
        }
        .comparison-table .score-cell {
            font-weight: 700;
            color: var(--accent-gold);
            font-size: 1rem;
        }
        .comparison-table .highlight-row td {
            background: rgba(212, 168, 83, 0.04);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 1rem;
            font-weight: 600;
            color: #ffffff;
            text-align: left;
            background: none;
            border: none;
            cursor: pointer;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-elevated);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.1rem;
            color: var(--accent-gold);
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(212, 168, 83, 0.2);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA SECTION */
        .cta-section {
            text-align: center;
            padding: 64px 28px;
            background: var(--bg-secondary);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-default);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(212, 168, 83, 0.06) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section h2 {
            position: relative;
            z-index: 1;
            color: #ffffff;
            margin-bottom: 12px;
        }
        .cta-section p {
            position: relative;
            z-index: 1;
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 1.05rem;
        }
        .cta-section .btn {
            position: relative;
            z-index: 1;
        }

        /* FOOTER */
        .site-footer {
            background: #06090d;
            border-top: 1px solid var(--border-default);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .footer-logo {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.3rem;
            color: #ffffff;
            margin-bottom: 10px;
        }
        .footer-brand .footer-logo span {
            color: var(--accent-gold);
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.6;
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 0.95rem;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-weak);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold-light);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-default);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-weak);
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .hero {
                min-height: 500px;
            }
            .hero h1 {
                font-size: 2.4rem;
            }
            .hero-content {
                max-width: 580px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .featured-review {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cms-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .section {
                padding: var(--section-gap-sm) 0;
            }
            .nav-links a {
                padding: 8px 14px;
                font-size: 0.88rem;
            }
            .nav-cta {
                padding: 9px 18px;
                font-size: 0.88rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
                --section-gap: 48px;
                --section-gap-sm: 36px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.55rem;
            }
            .hero {
                min-height: 440px;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-content {
                max-width: 100%;
                padding: 40px 0;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 20px 16px;
            }
            .stat-value {
                font-size: 2rem;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .category-card-img {
                height: 150px;
            }
            .category-card-body {
                padding: 14px 16px 18px;
            }
            .nav-links {
                display: none;
            }
            .nav-links.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 14, 20, 0.98);
                backdrop-filter: blur(18px);
                border-bottom: 1px solid var(--border-default);
                padding: 16px 20px;
                gap: 4px;
                z-index: 999;
                box-shadow: var(--shadow-lg);
            }
            .nav-links.open a {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
                border-radius: var(--radius-md);
            }
            .nav-links.open .nav-cta {
                margin-top: 6px;
                justify-content: center;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .featured-review {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .comparison-table-wrap {
                border-radius: var(--radius-md);
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-section {
                padding: 40px 20px;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
            .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .hero {
                min-height: 380px;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 16px 12px;
            }
            .stat-value {
                font-size: 1.6rem;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .category-card-img {
                height: 180px;
            }
            .cms-list {
                grid-template-columns: 1fr;
            }
            .logo-text {
                font-size: 1.05rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.85rem;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .section {
                padding: 36px 0;
            }
        }

/* roulang page: article */
:root {
            --color-bg: #f8f6f2;
            --color-surface: #ffffff;
            --color-dark: #0d0d14;
            --color-dark-secondary: #1a1a28;
            --color-text: #1c1c24;
            --color-text-secondary: #5a5a68;
            --color-text-muted: #888896;
            --color-accent: #c49b4c;
            --color-accent-light: #d4b068;
            --color-accent-dark: #a07830;
            --color-accent-glow: rgba(196, 155, 76, 0.18);
            --color-border: #e5e2dc;
            --color-border-light: #f0ede8;
            --color-tag-bg: #f3efe6;
            --color-tag-text: #8b6914;
            --color-score-bg: #0d0d14;
            --color-score-text: #f0e6d0;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
            --shadow-lg: 0 10px 36px rgba(0,0,0,0.09);
            --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --font-display: 'Georgia', 'Noto Serif SC', 'STSong', 'SimSun', serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --max-width-article: 820px;
            --nav-height: 68px;
        }

        *, *::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: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            min-height: 100vh;
        }

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

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        .container--narrow {
            max-width: var(--max-width-article);
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled { box-shadow: var(--shadow-md); }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        .logo {
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--color-dark);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo span {
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.04em;
            margin-left: 2px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            border-radius: 24px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-links a:hover { color: var(--color-dark); background: rgba(0,0,0,0.03); }
        .nav-links a.active {
            color: var(--color-dark);
            background: rgba(0,0,0,0.05);
            font-weight: 600;
        }
        .nav-cta {
            background: var(--color-accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            border-radius: 24px !important;
            padding: 10px 20px !important;
            gap: 7px;
            letter-spacing: 0.02em;
            transition: all var(--transition-base) !important;
            box-shadow: 0 2px 10px var(--color-accent-glow);
        }
        .nav-cta:hover {
            background: var(--color-accent-light) !important;
            box-shadow: 0 4px 18px rgba(196,155,76,0.32) !important;
            transform: translateY(-1px);
        }
        .nav-cta svg { width: 16px; height: 16px; flex-shrink: 0; }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            z-index: 101;
        }
        .menu-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--color-dark);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
        .menu-toggle.active span:nth-child(2) { opacity: 0; }
        .menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

        /* Article Hero */
        .article-hero {
            position: relative;
            padding: 64px 0 52px;
            background: var(--color-dark);
            color: #fff;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.22;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13,13,20,0.75) 0%, rgba(13,13,20,0.92) 100%);
        }
        .article-hero .container--narrow { position: relative; z-index: 2; }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.6);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a { color: rgba(255,255,255,0.75); }
        .article-breadcrumb a:hover { color: var(--color-accent-light); }
        .article-breadcrumb .sep { color: rgba(255,255,255,0.35); }
        .article-category-tag {
            display: inline-block;
            padding: 6px 15px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: var(--color-accent);
            color: #fff;
            margin-bottom: 16px;
        }
        .article-hero h1 {
            font-family: var(--font-display);
            font-size: 2.4rem;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: 0.02em;
            margin-bottom: 14px;
            color: #fff;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 0.88rem;
            color: rgba(255,255,255,0.6);
        }
        .article-meta .meta-dot { width: 4px; height: 4px; border-radius: 50%; background: rgba(255,255,255,0.4); }

        /* Score Card Row */
        .score-strip {
            position: relative;
            z-index: 3;
            margin-top: -30px;
            margin-bottom: 40px;
        }
        .score-strip .container--narrow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }
        .score-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            text-align: center;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .score-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-xl);
        }
        .score-card .score-value {
            font-family: var(--font-display);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 6px;
        }
        .score-card .score-value small { font-size: 1rem; color: var(--color-text-muted); }
        .score-card .score-label {
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            font-weight: 500;
            letter-spacing: 0.03em;
        }
        .score-card .score-stars {
            display: flex;
            justify-content: center;
            gap: 2px;
            margin-top: 6px;
            color: var(--color-accent);
            font-size: 0.85rem;
        }

        /* Main Content Area */
        .article-main {
            padding: 36px 0 60px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 44px;
            align-items: start;
        }
        .article-body {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 44px 48px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .article-body h2 {
            font-family: var(--font-display);
            font-size: 1.55rem;
            font-weight: 700;
            margin: 32px 0 14px;
            color: var(--color-dark);
            letter-spacing: 0.01em;
            line-height: 1.4;
        }
        .article-body h2:first-child { margin-top: 0; }
        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 24px 0 10px;
            color: var(--color-dark);
        }
        .article-body p {
            margin-bottom: 16px;
            color: var(--color-text);
            line-height: 1.85;
            font-size: 1.02rem;
        }
        .article-body blockquote {
            border-left: 4px solid var(--color-accent);
            padding: 16px 22px;
            margin: 24px 0;
            background: var(--color-tag-bg);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            line-height: 1.75;
        }
        .article-body ul, .article-body ol {
            margin: 12px 0 20px;
            padding-left: 24px;
        }
        .article-body ul li, .article-body ol li {
            margin-bottom: 8px;
            padding-left: 4px;
            line-height: 1.7;
        }
        .article-body ul { list-style: disc; }
        .article-body ol { list-style: decimal; }
        .article-body img {
            border-radius: var(--radius-lg);
            margin: 20px 0;
            width: 100%;
        }
        .article-body .highlight-box {
            background: var(--color-dark);
            color: #f0e6d0;
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            margin: 28px 0;
        }
        .article-body .highlight-box h3 { color: var(--color-accent-light); margin-top: 0; }
        .article-body .highlight-box p { color: rgba(240,230,208,0.85); }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: calc(var(--nav-height) + 24px);
        }
        .sidebar-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            margin-bottom: 20px;
        }
        .sidebar-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--color-dark);
            letter-spacing: 0.02em;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-accent);
            display: inline-block;
        }
        .sidebar-news-item {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .sidebar-news-item:last-child { border-bottom: none; }
        .sidebar-news-item:hover { padding-left: 4px; }
        .sidebar-news-item img {
            width: 72px;
            height: 56px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .sidebar-news-item .sn-info { flex: 1; min-width: 0; }
        .sidebar-news-item .sn-title {
            font-size: 0.85rem;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 4px;
        }
        .sidebar-news-item .sn-date {
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tags a {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 18px;
            font-size: 0.78rem;
            font-weight: 500;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            transition: all var(--transition-fast);
        }
        .sidebar-tags a:hover {
            background: var(--color-accent);
            color: #fff;
        }

        /* Related Articles */
        .related-section {
            padding: 50px 0 60px;
            background: #fff;
            border-top: 1px solid var(--color-border-light);
        }
        .related-section .section-title {
            font-family: var(--font-display);
            font-size: 1.6rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 36px;
            color: var(--color-dark);
            letter-spacing: 0.02em;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .related-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card .rc-body {
            padding: 18px 20px 20px;
        }
        .related-card .rc-tag {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            letter-spacing: 0.04em;
            margin-bottom: 6px;
            display: inline-block;
        }
        .related-card h5 {
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.45;
            color: var(--color-dark);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .rc-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* CTA Section */
        .cta-section {
            padding: 60px 0;
            background: var(--color-dark);
            color: #fff;
            text-align: center;
            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: 0.12;
        }
        .cta-section .container--narrow { position: relative; z-index: 2; }
        .cta-section h2 {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .cta-section p {
            color: rgba(255,255,255,0.7);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 34px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            box-shadow: 0 4px 18px var(--color-accent-glow);
        }
        .cta-btn:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 26px rgba(196,155,76,0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        /* Not Found State */
        .not-found-state {
            text-align: center;
            padding: 80px 20px;
        }
        .not-found-state .nf-icon {
            font-size: 4rem;
            margin-bottom: 20px;
            color: var(--color-text-muted);
        }
        .not-found-state h2 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            margin-bottom: 10px;
            color: var(--color-dark);
        }
        .not-found-state p {
            color: var(--color-text-secondary);
            margin-bottom: 24px;
        }
        .back-home-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 12px 28px;
            border-radius: 24px;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            transition: all var(--transition-base);
        }
        .back-home-btn:hover { background: var(--color-accent-dark); color: #fff; }

        /* Footer */
        .site-footer {
            background: #111118;
            color: rgba(255,255,255,0.65);
            padding: 50px 0 24px;
            font-size: 0.88rem;
            line-height: 1.7;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-logo {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-logo span { color: var(--color-accent-light); font-size: 0.82rem; letter-spacing: 0.04em; }
        .footer-brand p { font-size: 0.85rem; line-height: 1.65; max-width: 380px; }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul li a {
            color: rgba(255,255,255,0.5);
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }
        .footer-col ul li a:hover { color: var(--color-accent-light); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 18px;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255,255,255,0.35);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .sidebar-card { margin-bottom: 0; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .score-strip .container--narrow { grid-template-columns: repeat(2, 1fr); }
            .article-hero h1 { font-size: 1.9rem; }
            .article-body { padding: 32px 28px; }
        }
        @media (max-width: 768px) {
            .header-inner { padding: 0 16px; }
            .nav-links {
                position: fixed;
                top: 0;
                right: -280px;
                width: 270px;
                height: 100vh;
                background: #fff;
                flex-direction: column;
                padding: 90px 28px 30px;
                gap: 4px;
                box-shadow: var(--shadow-xl);
                transition: right var(--transition-slow);
                z-index: 100;
                border-radius: var(--radius-lg) 0 0 var(--radius-lg);
            }
            .nav-links.open { right: 0; }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 1rem;
            }
            .nav-cta {
                justify-content: center;
                margin-top: 8px;
            }
            .menu-toggle { display: flex; }
            .article-hero { padding: 44px 0 36px; }
            .article-hero h1 { font-size: 1.55rem; }
            .score-strip { margin-top: -20px; margin-bottom: 28px; }
            .score-strip .container--narrow { grid-template-columns: repeat(2, 1fr); gap: 10px; }
            .score-card { padding: 16px 12px; }
            .score-card .score-value { font-size: 1.6rem; }
            .article-layout { gap: 20px; }
            .article-sidebar { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: 1fr; }
            .related-card img { height: 200px; }
            .article-body { padding: 24px 18px; border-radius: var(--radius-lg); }
            .article-body h2 { font-size: 1.3rem; }
            .container { padding: 0 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .cta-section h2 { font-size: 1.5rem; }
        }
        @media (max-width: 520px) {
            .article-hero h1 { font-size: 1.3rem; }
            .article-meta { font-size: 0.78rem; gap: 10px; }
            .score-strip .container--narrow { grid-template-columns: 1fr 1fr; gap: 8px; }
            .score-card { padding: 14px 10px; border-radius: var(--radius-md); }
            .score-card .score-value { font-size: 1.4rem; }
            .score-card .score-label { font-size: 0.72rem; }
            .article-body { padding: 18px 14px; font-size: 0.95rem; }
            .related-card img { height: 160px; }
            .cta-section { padding: 40px 0; }
            .cta-section h2 { font-size: 1.3rem; }
            .cta-btn { padding: 12px 24px; font-size: 0.9rem; }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --color-bg-primary: #0a0e14;
            --color-bg-secondary: #111720;
            --color-bg-card: #161c26;
            --color-bg-card-hover: #1b2230;
            --color-bg-surface: #1a1f2b;
            --color-bg-elevated: #1e2432;
            --color-text-primary: #e8edf5;
            --color-text-secondary: #b0b8c5;
            --color-text-tertiary: #7a8494;
            --color-text-muted: #5a6476;
            --color-accent: #d4a853;
            --color-accent-light: #e8c97a;
            --color-accent-dark: #b8923a;
            --color-accent-glow: rgba(212, 168, 83, 0.25);
            --color-highlight: #f0a045;
            --color-success: #4ade80;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #60a5fa;
            --color-border: #252d3a;
            --color-border-light: #303848;
            --color-border-hover: #3d4858;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.6);
            --shadow-glow: 0 0 40px rgba(212,168,83,0.12);
            --shadow-card: 0 2px 12px rgba(0,0,0,0.35);
            --shadow-card-hover: 0 6px 28px rgba(0,0,0,0.55), 0 0 0 1px rgba(212,168,83,0.15);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1280px;
            --nav-height: 72px;
        }

        /* ========== Reset & Base ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--color-text-primary);
            background-color: var(--color-bg-primary);
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
        }
        ul, ol {
            list-style: none;
        }
        h1, h2, h3, h4, h5, h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--color-text-primary);
        }
        ::selection {
            background-color: var(--color-accent);
            color: #0a0e14;
        }
        :focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        /* ========== Container ========== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container { padding: 0 16px; }
        }

        /* ========== Header & Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 20, 0.92);
            backdrop-filter: blur(18px) saturate(120%);
            -webkit-backdrop-filter: blur(18px) saturate(120%);
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-base);
            height: var(--nav-height);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-lg);
            border-bottom-color: var(--color-border-light);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 24px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .logo-link:hover {
            opacity: 0.85;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 20px;
            color: #0a0e14;
            letter-spacing: -1px;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 1.15rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--color-text-primary);
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--color-accent);
            font-weight: 500;
            font-size: 0.85em;
            letter-spacing: 0.04em;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--color-text-primary);
            background: rgba(255,255,255,0.04);
        }
        .nav-links a.active {
            color: var(--color-accent);
            background: rgba(212,168,83,0.08);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .nav-cta {
            display: inline-flex !important;
            align-items: center;
            gap: 7px;
            padding: 10px 20px !important;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark)) !important;
            color: #0a0e14 !important;
            font-weight: 600 !important;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-base) !important;
            box-shadow: 0 2px 12px var(--color-accent-glow);
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(212,168,83,0.35) !important;
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent)) !important;
            color: #0a0e14 !important;
        }
        .nav-cta svg {
            width: 17px;
            height: 17px;
            flex-shrink: 0;
        }
        .nav-cta.active {
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent)) !important;
            color: #0a0e14 !important;
        }
        .nav-cta.active::after {
            display: none;
        }
        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            cursor: pointer;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .mobile-menu-btn:hover {
            border-color: var(--color-border-hover);
            background: var(--color-bg-card-hover);
        }
        .mobile-menu-btn span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text-primary);
            border-radius: 2px;
            position: relative;
            transition: all var(--transition-base);
        }
        .mobile-menu-btn span::before,
        .mobile-menu-btn span::after {
            content: '';
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text-primary);
            border-radius: 2px;
            position: absolute;
            transition: all var(--transition-base);
        }
        .mobile-menu-btn span::before { top: -7px; }
        .mobile-menu-btn span::after { top: 7px; }
        .mobile-menu-btn.open span { background: transparent; }
        .mobile-menu-btn.open span::before {
            top: 0;
            transform: rotate(45deg);
        }
        .mobile-menu-btn.open span::after {
            top: 0;
            transform: rotate(-45deg);
        }

        @media (max-width: 768px) {
            .mobile-menu-btn { display: flex; }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 14, 20, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-slow);
                pointer-events: none;
                z-index: 999;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                width: 100%;
                justify-content: center;
                padding: 14px 18px;
                font-size: 1rem;
            }
            .nav-cta {
                justify-content: center !important;
                margin-top: 4px;
            }
        }

        /* ========== Page Banner ========== */
        .page-banner {
            position: relative;
            padding: 80px 0 70px;
            background: var(--color-bg-secondary);
            overflow: hidden;
            border-bottom: 1px solid var(--color-border);
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.18;
            filter: brightness(0.6) saturate(0.4);
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10,14,20,0.5) 0%, var(--color-bg-secondary) 100%);
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-tertiary);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .sep {
            color: var(--color-text-muted);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 500;
        }
        .page-banner-title {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            color: var(--color-text-primary);
            margin-bottom: 12px;
        }
        .page-banner-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .page-banner { padding: 50px 0 40px; }
            .page-banner-title { font-size: 1.8rem; }
            .page-banner-subtitle { font-size: 0.95rem; }
        }

        /* ========== Stats Overview ========== */
        .stats-overview {
            padding: 60px 0;
            background: var(--color-bg-primary);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .stat-card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .stat-card:hover::before {
            opacity: 1;
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: 0.02em;
            font-family: var(--font-mono);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-tertiary);
            margin-top: 6px;
            font-weight: 500;
        }
        @media (max-width: 1024px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 520px) {
            .stats-grid { grid-template-columns: 1fr; }
            .stat-card { padding: 22px 18px; }
            .stat-number { font-size: 2rem; }
        }

        /* ========== Section通用 ========== */
        .section {
            padding: 70px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--color-accent);
            margin-bottom: 10px;
            padding: 5px 14px;
            background: rgba(212,168,83,0.08);
            border-radius: var(--radius-full);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 10px;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 560px;
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .section { padding: 50px 0; }
            .section-title { font-size: 1.5rem; }
            .section-header { margin-bottom: 32px; }
        }

        /* ========== 文章列表 ========== */
        .articles-section {
            background: var(--color-bg-primary);
        }
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .article-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .article-card-image {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--color-bg-surface);
        }
        .article-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .article-card:hover .article-card-image img {
            transform: scale(1.06);
        }
        .article-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(10,14,20,0.85);
            color: var(--color-accent);
            border-radius: var(--radius-full);
            backdrop-filter: blur(4px);
            letter-spacing: 0.04em;
            z-index: 1;
        }
        .article-card-rating {
            position: absolute;
            top: 12px;
            right: 12px;
            width: 42px;
            height: 42px;
            background: rgba(10,14,20,0.85);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9rem;
            color: var(--color-accent);
            backdrop-filter: blur(4px);
            z-index: 1;
            border: 2px solid var(--color-accent);
        }
        .article-card-body {
            padding: 20px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--color-text-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .article-card:hover .article-card-title {
            color: var(--color-accent-light);
        }
        .article-card-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-tertiary);
            line-height: 1.55;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }
        .article-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--color-border);
        }
        .article-card-date {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .article-card-views {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .article-card-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            margin-top: 10px;
            transition: gap var(--transition-fast);
        }
        .article-card-link:hover {
            gap: 9px;
            color: var(--color-accent-light);
        }
        .article-card-link svg {
            width: 15px;
            height: 15px;
        }
        @media (max-width: 1024px) {
            .articles-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 600px) {
            .articles-grid { grid-template-columns: 1fr; }
            .article-card-body { padding: 16px 14px 14px; }
        }

        /* ========== 焦点文章 ========== */
        .featured-section {
            background: var(--color-bg-secondary);
            padding: 70px 0;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .featured-block {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 32px;
            align-items: center;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .featured-block:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-glow);
        }
        .featured-image-wrapper {
            position: relative;
            aspect-ratio: 4 / 3;
            overflow: hidden;
        }
        .featured-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .featured-block:hover .featured-image-wrapper img {
            transform: scale(1.04);
        }
        .featured-content {
            padding: 32px 28px 32px 8px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-tag {
            display: inline-block;
            padding: 5px 14px;
            font-size: 0.78rem;
            font-weight: 600;
            color: #0a0e14;
            background: var(--color-accent);
            border-radius: var(--radius-full);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            align-self: flex-start;
        }
        .featured-title {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .featured-excerpt {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 18px;
        }
        .featured-date {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-bottom: 14px;
        }
        .featured-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 11px 22px;
            background: transparent;
            border: 2px solid var(--color-accent);
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            align-self: flex-start;
        }
        .featured-cta:hover {
            background: var(--color-accent);
            color: #0a0e14;
            box-shadow: var(--shadow-glow);
        }
        .featured-cta svg {
            width: 16px;
            height: 16px;
        }
        @media (max-width: 768px) {
            .featured-block {
                grid-template-columns: 1fr;
            }
            .featured-image-wrapper {
                aspect-ratio: 16 / 9;
            }
            .featured-content {
                padding: 24px 20px;
            }
            .featured-title { font-size: 1.25rem; }
        }

        /* ========== 评测数据亮点 ========== */
        .data-highlights {
            background: var(--color-bg-primary);
        }
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .highlight-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            text-align: center;
            transition: all var(--transition-base);
        }
        .highlight-card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .highlight-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            background: rgba(212,168,83,0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .highlight-icon svg {
            width: 28px;
            height: 28px;
            color: var(--color-accent);
        }
        .highlight-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent);
            font-family: var(--font-mono);
            margin-bottom: 4px;
        }
        .highlight-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }
        .highlight-desc {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .highlights-grid { grid-template-columns: 1fr; }
            .highlight-card { padding: 24px 18px; }
        }

        /* ========== CTA区域 ========== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background: var(--color-bg-secondary);
            overflow: hidden;
            text-align: center;
            border-top: 1px solid var(--color-border);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.12;
            filter: brightness(0.5);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-badge {
            display: inline-block;
            padding: 6px 16px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            border: 1px solid rgba(212,168,83,0.3);
            border-radius: var(--radius-full);
            margin-bottom: 16px;
            background: rgba(212,168,83,0.05);
        }
        .cta-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .cta-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 520px;
            margin: 0 auto 28px;
        }
        .cta-btn-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            font-size: 1rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #0a0e14;
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            box-shadow: 0 4px 20px var(--color-accent-glow);
            letter-spacing: 0.02em;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(212,168,83,0.4);
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            border: 2px solid var(--color-border-light);
            color: var(--color-text-primary);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }
        .btn-secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(212,168,83,0.04);
        }
        @media (max-width: 768px) {
            .cta-section { padding: 56px 0; }
            .cta-title { font-size: 1.6rem; }
            .cta-desc { font-size: 0.95rem; }
            .btn-primary, .btn-secondary { padding: 12px 24px; font-size: 0.9rem; }
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border);
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-logo span {
            color: var(--color-accent);
            font-weight: 500;
            font-size: 0.85em;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--color-text-tertiary);
            line-height: 1.6;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--color-text-tertiary);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            text-align: center;
        }
        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand { text-align: center; }
            .footer-col { text-align: center; }
            .footer-col ul { align-items: center; }
        }

        /* ========== 动画辅助 ========== */
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(24px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }