/* roulang page: index */
:root {
            --bg-primary: #0b0d11;
            --bg-secondary: #111318;
            --bg-card: #161920;
            --bg-elevated: #1c1f28;
            --bg-glass: rgba(11, 13, 17, 0.78);
            --bg-glass-hover: rgba(17, 19, 24, 0.88);
            --text-primary: #e6e7ea;
            --text-secondary: #b0b3ba;
            --text-muted: #737680;
            --text-inverse: #0b0d11;
            --accent: #c8a45c;
            --accent-light: #d9ba6e;
            --accent-dark: #b08e42;
            --accent-glow: rgba(200, 164, 92, 0.25);
            --accent-subtle: rgba(200, 164, 92, 0.08);
            --accent-border: rgba(200, 164, 92, 0.3);
            --green: #4ade80;
            --green-bg: rgba(74, 222, 128, 0.1);
            --red: #f87171;
            --red-bg: rgba(248, 113, 113, 0.1);
            --blue: #60a5fa;
            --blue-bg: rgba(96, 165, 250, 0.1);
            --border: rgba(255, 255, 255, 0.07);
            --border-light: rgba(255, 255, 255, 0.04);
            --border-medium: rgba(255, 255, 255, 0.1);
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.45);
            --shadow-lg: 0 8px 36px rgba(0, 0, 0, 0.55);
            --shadow-xl: 0 16px 56px rgba(0, 0, 0, 0.6);
            --shadow-accent: 0 4px 20px rgba(200, 164, 92, 0.2);
            --radius-xs: 4px;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --navbar-height: 68px;
            --max-width: 1240px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            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);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
            color: inherit;
            transition: all var(--transition-fast);
        }
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        input {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: var(--radius-xs);
        }

        ul,
        ol {
            list-style: none;
        }

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

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--navbar-height);
            transition: all var(--transition);
        }
        .site-header.scrolled {
            background: var(--bg-glass-hover);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-md);
        }
        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }
        .navbar-glass {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .site-header.scrolled .navbar-glass {
            background: transparent;
            border-bottom: none;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }
        .nav-brand:hover {
            color: var(--accent-light);
        }
        .nav-brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--text-inverse);
            flex-shrink: 0;
            box-shadow: var(--shadow-accent);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            border-radius: var(--radius);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--text-primary);
            background: var(--border-light);
        }
        .nav-links a.active {
            color: var(--accent-light);
            background: var(--accent-subtle);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--accent);
            color: var(--text-inverse);
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-accent);
        }
        .nav-cta:hover {
            background: var(--accent-light);
            box-shadow: 0 6px 24px rgba(200, 164, 92, 0.35);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            color: var(--text-primary);
            background: var(--border-light);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .nav-toggle:hover {
            background: var(--border);
        }

        /* ===== HERO ===== */
        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: calc(var(--navbar-height) + 40px) 24px 60px;
            overflow: hidden;
            background-color: var(--bg-primary);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(11, 13, 17, 0.55) 0%,
                    rgba(11, 13, 17, 0.72) 35%,
                    rgba(11, 13, 17, 0.88) 70%,
                    rgba(11, 13, 17, 0.96) 100%);
            z-index: 1;
        }
        .hero-accent-glow {
            position: absolute;
            top: 20%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
            animation: heroPulse 6s ease-in-out infinite;
        }
        @keyframes heroPulse {
            0%,
            100% {
                opacity: 0.5;
                transform: translate(-50%, -50%) scale(1);
            }
            50% {
                opacity: 0.8;
                transform: translate(-50%, -50%) scale(1.15);
            }
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 780px;
            width: 100%;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 50px;
            background: var(--accent-subtle);
            border: 1px solid var(--accent-border);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-light);
            margin-bottom: 24px;
            letter-spacing: 0.02em;
        }
        .hero-badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            animation: dotPulse 2s ease-in-out infinite;
        }
        @keyframes dotPulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(200, 164, 92, 0.6);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(200, 164, 92, 0);
            }
        }
        .hero-title {
            font-size: clamp(2.4rem, 5.5vw, 3.8rem);
            font-weight: 900;
            letter-spacing: -0.02em;
            line-height: 1.15;
            margin-bottom: 18px;
            color: #ffffff;
        }
        .hero-title .accent {
            color: var(--accent-light);
            position: relative;
        }
        .hero-subtitle {
            font-size: clamp(1.05rem, 1.6vw, 1.2rem);
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.65;
        }
        .hero-search-wrap {
            display: flex;
            align-items: center;
            gap: 0;
            background: var(--bg-elevated);
            border: 1px solid var(--border-medium);
            border-radius: var(--radius-xl);
            overflow: hidden;
            max-width: 520px;
            margin: 0 auto 36px;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition);
        }
        .hero-search-wrap:focus-within {
            border-color: var(--accent-border);
            box-shadow: var(--shadow-lg), 0 0 0 6px var(--accent-subtle);
        }
        .hero-search-input {
            flex: 1;
            padding: 16px 22px;
            font-size: 1rem;
            color: var(--text-primary);
            background: transparent;
            min-width: 0;
        }
        .hero-search-input::placeholder {
            color: var(--text-muted);
        }
        .hero-search-btn {
            padding: 16px 24px;
            background: var(--accent);
            color: var(--text-inverse);
            font-weight: 700;
            font-size: 0.95rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 6px;
            border-radius: 0;
        }
        .hero-search-btn:hover {
            background: var(--accent-light);
        }
        .hero-stats-row {
            display: flex;
            gap: 32px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: center;
            min-width: 90px;
        }
        .hero-stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.01em;
            line-height: 1;
        }
        .hero-stat-value .unit {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--accent-light);
            margin-left: 2px;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ===== SECTIONS ===== */
        .section {
            padding: 80px 24px;
        }
        .section-dark {
            background: var(--bg-secondary);
        }
        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-light);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            letter-spacing: -0.01em;
            color: #ffffff;
            margin-bottom: 10px;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 520px;
            margin: 0 auto;
        }

        /* ===== GRID ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        /* ===== CARDS ===== */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            border-color: var(--border-medium);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .card-accent-hover:hover {
            border-color: var(--accent-border);
            box-shadow: var(--shadow-accent);
        }
        .card-image {
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 18px;
            aspect-ratio: 16 / 10;
            background: var(--bg-elevated);
            position: relative;
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card:hover .card-image img {
            transform: scale(1.04);
        }
        .card-image-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            background: rgba(11, 13, 17, 0.8);
            color: var(--accent-light);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border: 1px solid var(--accent-border);
            z-index: 2;
        }
        .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent-light);
            background: var(--accent-subtle);
            padding: 4px 10px;
            border-radius: 50px;
            margin-bottom: 10px;
        }
        .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: #ffffff;
            line-height: 1.4;
        }
        .card-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.55;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 12px;
        }
        .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* ===== STAT CARD ===== */
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
        }
        .stat-card:hover {
            border-color: var(--accent-border);
            box-shadow: var(--shadow-accent);
        }
        .stat-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 14px;
        }
        .stat-icon.gold {
            background: var(--accent-subtle);
            color: var(--accent-light);
        }
        .stat-icon.green {
            background: var(--green-bg);
            color: var(--green);
        }
        .stat-icon.blue {
            background: var(--blue-bg);
            color: var(--blue);
        }
        .stat-icon.red {
            background: var(--red-bg);
            color: var(--red);
        }
        .stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.01em;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== RATING BAR ===== */
        .rating-bar-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 8px;
        }
        .rating-bar {
            flex: 1;
            height: 6px;
            border-radius: 3px;
            background: var(--border-light);
            overflow: hidden;
        }
        .rating-bar-fill {
            height: 100%;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
        }
        .rating-score {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--accent-light);
            min-width: 38px;
            text-align: right;
        }

        /* ===== COMPARISON TABLE ===== */
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
            font-size: 0.9rem;
        }
        .compare-table th,
        .compare-table td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid var(--border-light);
            white-space: nowrap;
        }
        .compare-table th {
            background: var(--bg-elevated);
            font-weight: 700;
            color: #ffffff;
            font-size: 0.85rem;
            letter-spacing: 0.03em;
        }
        .compare-table td {
            color: var(--text-secondary);
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table .highlight-col {
            color: var(--accent-light);
            font-weight: 600;
        }
        .compare-check {
            color: var(--green);
            font-weight: 700;
            font-size: 1.1rem;
        }
        .compare-dash {
            color: var(--text-muted);
        }

        /* ===== LIST ===== */
        .info-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .info-list-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px 18px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            transition: all var(--transition-fast);
        }
        .info-list-item:hover {
            border-color: var(--border-medium);
            background: var(--bg-elevated);
        }
        .info-list-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1rem;
            background: var(--accent-subtle);
            color: var(--accent-light);
        }
        .info-list-content h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 2px;
        }
        .info-list-content p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .info-list-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-medium);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-light);
        }
        .faq-arrow {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent-light);
        }
        .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 22px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ===== CTA ===== */
        .cta-section {
            text-align: center;
            padding: 70px 24px;
            background: var(--bg-secondary);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-title {
            font-size: clamp(1.5rem, 2.8vw, 2rem);
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
        }
        .cta-desc {
            color: var(--text-secondary);
            margin-bottom: 28px;
            font-size: 1rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-align: center;
            justify-content: center;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--text-inverse);
            box-shadow: var(--shadow-accent);
            border: 2px solid var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            box-shadow: 0 8px 28px rgba(200, 164, 92, 0.4);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: #ffffff;
            border: 2px solid var(--border-medium);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent-light);
            background: var(--accent-subtle);
        }
        .btn-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border);
            padding: 40px 24px 28px;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: space-between;
            align-items: flex-start;
        }
        .footer-brand {
            font-weight: 800;
            font-size: 1.15rem;
            color: #ffffff;
            letter-spacing: -0.01em;
        }
        .footer-links {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            font-size: 0.85rem;
        }
        .footer-links a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            text-align: center;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border-light);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== BADGE ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 11px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.02em;
        }
        .badge-accent {
            background: var(--accent-subtle);
            color: var(--accent-light);
            border: 1px solid var(--accent-border);
        }
        .badge-green {
            background: var(--green-bg);
            color: var(--green);
            border: 1px solid rgba(74, 222, 128, 0.3);
        }

        /* ===== UTILITY ===== */
        .text-accent {
            color: var(--accent-light);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-center {
            text-align: center;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-8 {
            margin-bottom: 8px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .gap-16 {
            gap: 16px;
        }
        .gap-20 {
            gap: 20px;
        }

        /* Empty state */
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border);
        }
        .empty-state i {
            font-size: 2.5rem;
            display: block;
            margin-bottom: 12px;
            color: var(--text-muted);
            opacity: 0.5;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat-value {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--navbar-height);
                left: 0;
                right: 0;
                flex-direction: column;
                background: var(--bg-glass-hover);
                backdrop-filter: blur(22px);
                -webkit-backdrop-filter: blur(22px);
                border-bottom: 1px solid var(--border);
                padding: 12px 16px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 13px 16px;
                border-radius: var(--radius-sm);
                justify-content: flex-start;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                font-size: 0.82rem;
                padding: 8px 14px;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .hero {
                min-height: 70vh;
                padding-top: calc(var(--navbar-height) + 24px);
            }
            .hero-stats-row {
                gap: 14px;
            }
            .hero-stat-value {
                font-size: 1.4rem;
            }
            .hero-stat-value .unit {
                font-size: 0.9rem;
            }
            .section {
                padding: 50px 16px;
            }
            .footer-inner {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .footer-links {
                justify-content: center;
            }
            .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .compare-table-wrap {
                margin: 0 -16px;
                border-radius: 0;
                border-left: none;
                border-right: none;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-search-wrap {
                flex-direction: column;
                border-radius: var(--radius);
            }
            .hero-search-input {
                width: 100%;
                padding: 14px 16px;
            }
            .hero-search-btn {
                width: 100%;
                justify-content: center;
                padding: 13px;
                border-radius: 0 0 var(--radius) var(--radius);
            }
            .hero-stats-row {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
            .card {
                padding: 20px;
            }
            .stat-card {
                padding: 18px 14px;
            }
            .stat-value {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 14px;
            }
            .section {
                padding: 40px 14px;
            }
        }

/* roulang page: article */
:root {
            --primary: #0f1923;
            --primary-light: #1a2735;
            --accent: #c9a96e;
            --accent-light: #d4b87a;
            --accent-dark: #b8944f;
            --bg: #f5f3ef;
            --bg-white: #ffffff;
            --bg-dark: #0d1520;
            --text: #1a1a2e;
            --text-secondary: #5a6072;
            --text-light: #8b91a0;
            --text-on-dark: #e8e6e1;
            --border: #e0dcd5;
            --border-light: #ede9e2;
            --shadow-sm: 0 1px 3px rgba(15,25,35,0.06);
            --shadow-md: 0 4px 16px rgba(15,25,35,0.08);
            --shadow-lg: 0 8px 32px rgba(15,25,35,0.12);
            --shadow-xl: 0 16px 48px rgba(15,25,35,0.16);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-serif: 'Georgia', 'Noto Serif SC', 'STSong', 'SimSun', 'Songti SC', serif;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --glass-bg: rgba(255,255,255,0.72);
            --glass-border: rgba(255,255,255,0.35);
            --glass-shadow: 0 2px 20px rgba(0,0,0,0.06);
            --navbar-height: 68px;
            --content-max: 720px;
            --sidebar-width: 320px;
            --gap-section: 64px;
            --gap-block: 32px;
            --gap-card: 24px;
        }

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

        .container {
            width:100%;
            max-width:1200px;
            margin:0 auto;
            padding:0 24px;
        }
        .container-narrow {
            width:100%;
            max-width:860px;
            margin:0 auto;
            padding:0 24px;
        }

        /* Header / Nav - 玻璃沉浸导航 */
        .site-header {
            position:fixed;
            top:0;
            left:0;
            right:0;
            z-index:1000;
            height:var(--navbar-height);
            transition:var(--transition);
        }
        .site-header.scrolled {
            background:rgba(15,25,35,0.94);
            backdrop-filter:blur(16px);
            -webkit-backdrop-filter:blur(16px);
            box-shadow:0 2px 24px rgba(0,0,0,0.18);
        }
        .navbar-glass {
            background:var(--glass-bg);
            backdrop-filter:blur(14px);
            -webkit-backdrop-filter:blur(14px);
            border-bottom:1px solid var(--glass-border);
            box-shadow:var(--glass-shadow);
            height:100%;
            transition:var(--transition);
        }
        .site-header.scrolled .navbar-glass {
            background:transparent;
            backdrop-filter:none;
            -webkit-backdrop-filter:none;
            border-bottom:none;
            box-shadow:none;
        }
        .navbar {
            display:flex;
            align-items:center;
            justify-content:space-between;
            height:100%;
            gap:20px;
        }
        .nav-brand {
            display:flex;
            align-items:center;
            gap:10px;
            font-weight:700;
            font-size:1.15rem;
            color:var(--primary);
            white-space:nowrap;
            transition:var(--transition);
        }
        .site-header.scrolled .nav-brand { color:#fff; }
        .nav-brand-icon {
            width:38px;
            height:38px;
            border-radius:var(--radius-sm);
            background:var(--accent);
            color:#fff;
            display:flex;
            align-items:center;
            justify-content:center;
            font-size:1rem;
            flex-shrink:0;
        }
        .nav-links {
            display:flex;
            align-items:center;
            gap:6px;
            flex-wrap:wrap;
        }
        .nav-links a {
            display:inline-flex;
            align-items:center;
            padding:8px 16px;
            border-radius:20px;
            font-size:0.9rem;
            font-weight:500;
            color:var(--text-secondary);
            white-space:nowrap;
            transition:var(--transition);
            position:relative;
        }
        .nav-links a:hover {
            color:var(--primary);
            background:rgba(0,0,0,0.04);
        }
        .nav-links a.active {
            color:var(--accent-dark);
            background:rgba(201,169,110,0.12);
            font-weight:600;
        }
        .site-header.scrolled .nav-links a { color:rgba(255,255,255,0.78); }
        .site-header.scrolled .nav-links a:hover { color:#fff; background:rgba(255,255,255,0.1); }
        .site-header.scrolled .nav-links a.active { color:var(--accent-light); background:rgba(201,169,110,0.18); }
        .nav-cta {
            display:inline-flex;
            align-items:center;
            gap:7px;
            padding:10px 20px;
            border-radius:24px;
            font-size:0.88rem;
            font-weight:600;
            background:var(--accent);
            color:#fff !important;
            white-space:nowrap;
            transition:var(--transition);
            box-shadow:0 2px 10px rgba(201,169,110,0.3);
            flex-shrink:0;
        }
        .nav-cta:hover {
            background:var(--accent-dark);
            box-shadow:0 4px 18px rgba(201,169,110,0.4);
            transform:translateY(-1px);
        }
        .site-header.scrolled .nav-cta {
            background:var(--accent);
            color:#fff !important;
        }
        .nav-toggle {
            display:none;
            width:40px;
            height:40px;
            border-radius:var(--radius-sm);
            align-items:center;
            justify-content:center;
            font-size:1.3rem;
            color:var(--primary);
            transition:var(--transition);
            flex-shrink:0;
        }
        .site-header.scrolled .nav-toggle { color:#fff; }
        .nav-toggle:hover { background:rgba(0,0,0,0.06); }
        .site-header.scrolled .nav-toggle:hover { background:rgba(255,255,255,0.12); }

        /* 面包屑 */
        .breadcrumb-wrap {
            padding-top:calc(var(--navbar-height) + 20px);
            padding-bottom:8px;
            background:var(--bg-white);
            border-bottom:1px solid var(--border-light);
        }
        .breadcrumb {
            display:flex;
            align-items:center;
            gap:8px;
            font-size:0.85rem;
            color:var(--text-light);
            flex-wrap:wrap;
        }
        .breadcrumb a {
            color:var(--text-secondary);
            transition:var(--transition);
        }
        .breadcrumb a:hover { color:var(--accent-dark); }
        .breadcrumb .sep { color:var(--border); font-size:0.7rem; }
        .breadcrumb .current { color:var(--text); font-weight:500; }

        /* 文章头图区 */
        .article-hero {
            position:relative;
            background:var(--bg-dark);
            min-height:380px;
            display:flex;
            align-items:flex-end;
            overflow:hidden;
        }
        .article-hero-bg {
            position:absolute;
            inset:0;
            background-size:cover;
            background-position:center;
            background-repeat:no-repeat;
            opacity:0.55;
            transition:opacity 0.6s;
        }
        .article-hero-overlay {
            position:absolute;
            inset:0;
            background:linear-gradient(to top, rgba(13,21,32,0.92) 0%, rgba(13,21,32,0.5) 40%, rgba(13,21,32,0.25) 70%, rgba(13,21,32,0.45) 100%);
        }
        .article-hero-content {
            position:relative;
            z-index:2;
            width:100%;
            padding:40px 0 44px;
            color:var(--text-on-dark);
        }
        .article-hero-content .container-narrow { max-width:860px; }
        .article-category-tag {
            display:inline-flex;
            align-items:center;
            gap:6px;
            padding:6px 14px;
            border-radius:20px;
            background:rgba(201,169,110,0.2);
            color:var(--accent-light);
            font-size:0.82rem;
            font-weight:600;
            letter-spacing:0.02em;
            margin-bottom:16px;
            border:1px solid rgba(201,169,110,0.3);
        }
        .article-hero h1 {
            font-size:2.2rem;
            font-weight:700;
            line-height:1.3;
            letter-spacing:-0.01em;
            margin-bottom:14px;
            color:#fff;
            font-family:var(--font-serif);
        }
        .article-meta-row {
            display:flex;
            align-items:center;
            gap:16px;
            flex-wrap:wrap;
            font-size:0.88rem;
            color:rgba(255,255,255,0.7);
        }
        .article-meta-row span {
            display:inline-flex;
            align-items:center;
            gap:5px;
        }
        .article-meta-row .meta-dot {
            width:4px;
            height:4px;
            border-radius:50%;
            background:rgba(255,255,255,0.35);
            flex-shrink:0;
        }

        /* 主内容区 */
        .article-main {
            flex:1;
            padding:var(--gap-section) 0;
            background:var(--bg);
        }
        .article-layout {
            display:flex;
            gap:40px;
            align-items:flex-start;
        }
        .article-body {
            flex:1;
            min-width:0;
            background:var(--bg-white);
            border-radius:var(--radius-lg);
            padding:36px 40px;
            box-shadow:var(--shadow-md);
            border:1px solid var(--border-light);
        }
        .article-body .content-text {
            font-size:1.06rem;
            line-height:1.85;
            color:var(--text);
            word-break:break-word;
        }
        .article-body .content-text h2 {
            font-size:1.45rem;
            font-weight:700;
            color:var(--primary);
            margin:32px 0 14px;
            padding-bottom:10px;
            border-bottom:2px solid var(--accent);
            font-family:var(--font-serif);
        }
        .article-body .content-text h3 {
            font-size:1.2rem;
            font-weight:600;
            color:var(--primary-light);
            margin:24px 0 10px;
        }
        .article-body .content-text p {
            margin-bottom:16px;
        }
        .article-body .content-text ul,
        .article-body .content-text ol {
            margin:12px 0 16px;
            padding-left:20px;
        }
        .article-body .content-text ul { list-style:disc; }
        .article-body .content-text ol { list-style:decimal; }
        .article-body .content-text li {
            margin-bottom:6px;
            padding-left:4px;
        }
        .article-body .content-text img {
            border-radius:var(--radius);
            margin:20px 0;
            box-shadow:var(--shadow-sm);
            width:100%;
            height:auto;
        }
        .article-body .content-text blockquote {
            margin:20px 0;
            padding:18px 22px;
            border-left:4px solid var(--accent);
            background:rgba(201,169,110,0.06);
            border-radius:0 var(--radius-sm) var(--radius-sm) 0;
            color:var(--text-secondary);
            font-style:italic;
            font-family:var(--font-serif);
        }
        .article-body .content-text table {
            width:100%;
            border-collapse:collapse;
            margin:20px 0;
            font-size:0.94rem;
            border-radius:var(--radius-sm);
            overflow:hidden;
            box-shadow:var(--shadow-sm);
        }
        .article-body .content-text table th {
            background:var(--primary);
            color:#fff;
            padding:12px 16px;
            text-align:left;
            font-weight:600;
            font-size:0.85rem;
            letter-spacing:0.03em;
        }
        .article-body .content-text table td {
            padding:10px 16px;
            border-bottom:1px solid var(--border-light);
            background:var(--bg-white);
        }
        .article-body .content-text table tr:nth-child(even) td {
            background:rgba(245,243,239,0.5);
        }
        .article-body .content-text strong {
            color:var(--primary);
            font-weight:600;
        }
        .article-body .content-text a {
            color:var(--accent-dark);
            text-decoration:underline;
            text-underline-offset:3px;
        }
        .article-body .content-text a:hover {
            color:var(--accent);
        }
        .article-body .content-text .highlight-box {
            background:rgba(201,169,110,0.08);
            border:1px solid rgba(201,169,110,0.25);
            border-radius:var(--radius);
            padding:18px 22px;
            margin:20px 0;
        }
        .article-body .content-text hr {
            border:none;
            border-top:1px solid var(--border);
            margin:28px 0;
        }

        /* 侧边栏 */
        .article-sidebar {
            width:var(--sidebar-width);
            flex-shrink:0;
            display:flex;
            flex-direction:column;
            gap:var(--gap-card);
            position:sticky;
            top:calc(var(--navbar-height) + 24px);
        }
        .sidebar-card {
            background:var(--bg-white);
            border-radius:var(--radius-lg);
            padding:24px;
            box-shadow:var(--shadow-sm);
            border:1px solid var(--border-light);
        }
        .sidebar-card h4 {
            font-size:1rem;
            font-weight:700;
            color:var(--primary);
            margin-bottom:14px;
            padding-bottom:10px;
            border-bottom:2px solid var(--accent);
            display:flex;
            align-items:center;
            gap:8px;
        }
        .sidebar-card h4 i { color:var(--accent); }
        .sidebar-info-list {
            display:flex;
            flex-direction:column;
            gap:10px;
        }
        .sidebar-info-list li {
            display:flex;
            align-items:flex-start;
            gap:10px;
            font-size:0.88rem;
            color:var(--text-secondary);
            line-height:1.5;
        }
        .sidebar-info-list li i {
            color:var(--accent);
            width:16px;
            text-align:center;
            flex-shrink:0;
            margin-top:2px;
        }
        .sidebar-cta {
            background:linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color:#fff;
            text-align:center;
            border:none;
            box-shadow:var(--shadow-md);
        }
        .sidebar-cta h4 {
            color:#fff;
            border-bottom-color:rgba(255,255,255,0.25);
            justify-content:center;
        }
        .sidebar-cta h4 i { color:var(--accent-light); }
        .sidebar-cta p {
            font-size:0.88rem;
            color:rgba(255,255,255,0.8);
            margin-bottom:16px;
            line-height:1.5;
        }
        .btn-sidebar {
            display:inline-flex;
            align-items:center;
            gap:7px;
            padding:10px 22px;
            border-radius:24px;
            font-weight:600;
            font-size:0.9rem;
            background:var(--accent);
            color:#fff;
            transition:var(--transition);
            box-shadow:0 2px 10px rgba(201,169,110,0.3);
        }
        .btn-sidebar:hover {
            background:var(--accent-light);
            box-shadow:0 4px 16px rgba(201,169,110,0.4);
            transform:translateY(-2px);
        }
        .sidebar-mini-list {
            display:flex;
            flex-direction:column;
            gap:12px;
        }
        .sidebar-mini-list a {
            display:flex;
            align-items:center;
            gap:10px;
            padding:8px 0;
            border-bottom:1px solid var(--border-light);
            transition:var(--transition);
            font-size:0.88rem;
            color:var(--text);
            line-height:1.4;
        }
        .sidebar-mini-list a:last-child { border-bottom:none; }
        .sidebar-mini-list a:hover {
            color:var(--accent-dark);
            padding-left:4px;
        }
        .sidebar-mini-list .mini-thumb {
            width:48px;
            height:48px;
            border-radius:var(--radius-sm);
            object-fit:cover;
            flex-shrink:0;
            background:var(--bg);
        }

        /* 相关文章底部区 */
        .related-section {
            padding:var(--gap-section) 0;
            background:var(--bg-white);
            border-top:1px solid var(--border-light);
        }
        .related-section .section-label {
            font-size:0.82rem;
            text-transform:uppercase;
            letter-spacing:0.08em;
            color:var(--accent-dark);
            font-weight:700;
            margin-bottom:8px;
        }
        .related-section .section-title {
            font-size:1.6rem;
            font-weight:700;
            color:var(--primary);
            margin-bottom:32px;
            font-family:var(--font-serif);
        }
        .related-grid {
            display:grid;
            grid-template-columns:repeat(3, 1fr);
            gap:var(--gap-card);
        }
        .related-card {
            background:var(--bg);
            border-radius:var(--radius-lg);
            overflow:hidden;
            box-shadow:var(--shadow-sm);
            border:1px solid var(--border-light);
            transition:var(--transition);
            display:flex;
            flex-direction:column;
        }
        .related-card:hover {
            box-shadow:var(--shadow-lg);
            transform:translateY(-3px);
            border-color:var(--accent);
        }
        .related-card-img {
            width:100%;
            height:180px;
            object-fit:cover;
            background:var(--bg-dark);
            flex-shrink:0;
        }
        .related-card-body {
            padding:18px 20px 20px;
            flex:1;
            display:flex;
            flex-direction:column;
            gap:8px;
        }
        .related-card-body .card-tag {
            font-size:0.75rem;
            color:var(--accent-dark);
            font-weight:600;
            letter-spacing:0.03em;
        }
        .related-card-body h5 {
            font-size:1rem;
            font-weight:600;
            color:var(--primary);
            line-height:1.4;
            flex:1;
        }
        .related-card-body .card-date {
            font-size:0.8rem;
            color:var(--text-light);
        }

        /* CTA 区块 */
        .cta-section {
            padding:var(--gap-section) 0;
            background:var(--bg-dark);
            text-align:center;
            color:#fff;
        }
        .cta-section .section-title {
            font-size:1.7rem;
            font-weight:700;
            margin-bottom:12px;
            font-family:var(--font-serif);
        }
        .cta-section .section-desc {
            font-size:1rem;
            color:rgba(255,255,255,0.72);
            margin-bottom:24px;
            max-width:500px;
            margin-left:auto;
            margin-right:auto;
            line-height:1.6;
        }
        .btn-cta {
            display:inline-flex;
            align-items:center;
            gap:8px;
            padding:13px 28px;
            border-radius:28px;
            font-weight:700;
            font-size:1rem;
            background:var(--accent);
            color:#fff;
            transition:var(--transition);
            box-shadow:0 4px 20px rgba(201,169,110,0.35);
        }
        .btn-cta:hover {
            background:var(--accent-light);
            box-shadow:0 6px 28px rgba(201,169,110,0.5);
            transform:translateY(-2px);
        }

        /* 内容未找到 */
        .not-found-state {
            text-align:center;
            padding:60px 24px;
            background:var(--bg-white);
            border-radius:var(--radius-lg);
            box-shadow:var(--shadow-md);
            max-width:600px;
            margin:40px auto;
            border:1px solid var(--border-light);
        }
        .not-found-state .nf-icon {
            font-size:3rem;
            color:var(--text-light);
            margin-bottom:16px;
        }
        .not-found-state h2 {
            font-size:1.5rem;
            color:var(--primary);
            margin-bottom:10px;
        }
        .not-found-state p {
            color:var(--text-secondary);
            margin-bottom:20px;
            font-size:0.95rem;
            line-height:1.6;
        }
        .btn-back {
            display:inline-flex;
            align-items:center;
            gap:7px;
            padding:10px 22px;
            border-radius:24px;
            font-weight:600;
            font-size:0.9rem;
            background:var(--accent);
            color:#fff;
            transition:var(--transition);
            box-shadow:0 2px 10px rgba(201,169,110,0.3);
        }
        .btn-back:hover {
            background:var(--accent-dark);
            box-shadow:0 4px 16px rgba(201,169,110,0.4);
        }

        /* Footer */
        .site-footer {
            background:var(--primary);
            color:rgba(255,255,255,0.7);
            padding:36px 0 20px;
            margin-top:auto;
        }
        .footer-inner {
            display:flex;
            align-items:center;
            justify-content:space-between;
            flex-wrap:wrap;
            gap:16px;
            margin-bottom:20px;
            padding-bottom:20px;
            border-bottom:1px solid rgba(255,255,255,0.1);
        }
        .footer-brand {
            font-size:1.1rem;
            font-weight:700;
            color:#fff;
        }
        .footer-links {
            display:flex;
            gap:20px;
            flex-wrap:wrap;
        }
        .footer-links a {
            color:rgba(255,255,255,0.6);
            font-size:0.88rem;
            transition:var(--transition);
        }
        .footer-links a:hover { color:var(--accent-light); }
        .footer-bottom {
            font-size:0.82rem;
            color:rgba(255,255,255,0.4);
            text-align:center;
        }

        /* 响应式 */
        @media (max-width:1024px) {
            .article-layout {
                flex-direction:column;
                gap:28px;
            }
            .article-sidebar {
                width:100%;
                position:static;
                flex-direction:row;
                flex-wrap:wrap;
                gap:16px;
            }
            .sidebar-card {
                flex:1;
                min-width:240px;
            }
            .related-grid {
                grid-template-columns:repeat(2, 1fr);
            }
            .article-hero { min-height:300px; }
            .article-hero h1 { font-size:1.8rem; }
            .article-body { padding:28px 24px; }
        }
        @media (max-width:768px) {
            .nav-links {
                position:fixed;
                top:var(--navbar-height);
                left:0;
                right:0;
                background:rgba(255,255,255,0.97);
                backdrop-filter:blur(20px);
                -webkit-backdrop-filter:blur(20px);
                flex-direction:column;
                gap:4px;
                padding:16px 20px;
                box-shadow:var(--shadow-lg);
                border-bottom:2px solid var(--border);
                transform:translateY(-120%);
                opacity:0;
                transition:var(--transition);
                z-index:999;
            }
            .nav-links.open {
                transform:translateY(0);
                opacity:1;
            }
            .nav-links a {
                width:100%;
                padding:12px 16px;
                border-radius:var(--radius-sm);
                font-size:1rem;
                justify-content:center;
            }
            .nav-cta { display:none; }
            .nav-toggle { display:flex; }
            .article-hero { min-height:240px; }
            .article-hero h1 { font-size:1.4rem; }
            .article-hero-content { padding:28px 0 32px; }
            .article-body { padding:20px 18px; border-radius:var(--radius); }
            .article-body .content-text { font-size:0.98rem; line-height:1.75; }
            .article-body .content-text h2 { font-size:1.25rem; }
            .article-body .content-text h3 { font-size:1.1rem; }
            .article-layout { gap:20px; }
            .article-sidebar { flex-direction:column; }
            .sidebar-card { min-width:auto; }
            .related-grid { grid-template-columns:1fr; gap:16px; }
            .related-section .section-title { font-size:1.3rem; }
            .cta-section .section-title { font-size:1.3rem; }
            .breadcrumb-wrap { padding-top:calc(var(--navbar-height) + 12px); }
            .article-main { padding:32px 0; }
            .related-section { padding:40px 0; }
            .cta-section { padding:40px 0; }
            .container { padding:0 16px; }
            .container-narrow { padding:0 16px; }
            :root { --gap-section:40px; }
        }
        @media (max-width:520px) {
            .article-hero { min-height:200px; }
            .article-hero h1 { font-size:1.2rem; }
            .article-meta-row { font-size:0.78rem; gap:10px; }
            .article-body { padding:16px 14px; }
            .article-body .content-text { font-size:0.94rem; }
            .related-card-img { height:140px; }
            .related-card-body { padding:12px 14px 16px; }
            .related-card-body h5 { font-size:0.9rem; }
            .btn-cta { padding:11px 22px; font-size:0.9rem; }
            .nav-brand { font-size:1rem; }
            .nav-brand-icon { width:32px; height:32px; font-size:0.85rem; }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #c9a96e;
            --color-primary-dark: #b8944f;
            --color-primary-light: #dcc08a;
            --color-primary-glow: rgba(201, 169, 110, 0.25);
            --color-accent: #e8c97a;
            --color-bg-deep: #0d0f14;
            --color-bg-dark: #13161d;
            --color-bg-card: #1a1e28;
            --color-bg-card-hover: #1f2430;
            --color-bg-elevated: #212635;
            --color-bg-glass: rgba(19, 22, 29, 0.75);
            --color-text: #e8e6e1;
            --color-text-strong: #ffffff;
            --color-text-muted: #9a978f;
            --color-text-dim: #6b6862;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-light: rgba(255, 255, 255, 0.14);
            --color-border-gold: rgba(201, 169, 110, 0.35);
            --color-success: #4ade80;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #60a5fa;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --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 12px 40px rgba(0, 0, 0, 0.6);
            --shadow-gold: 0 4px 20px rgba(201, 169, 110, 0.15);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--color-border-gold);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-display: 'Georgia', 'Noto Serif SC', 'STSong', 'Songti SC', serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --header-height: 72px;
            --container-max: 1200px;
            --container-narrow: 860px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::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);
            background-color: var(--color-bg-deep);
            background-image:
                radial-gradient(ellipse at 50% 0%, rgba(201, 169, 110, 0.04) 0%, transparent 65%),
                radial-gradient(ellipse at 85% 15%, rgba(201, 169, 110, 0.03) 0%, transparent 50%);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text-strong);
        }

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

        /* ===== Header / 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(13, 15, 20, 0.92);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }
        .navbar-glass {
            background: rgba(19, 22, 29, 0.68);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            height: 100%;
            transition: background var(--transition-base), border-color var(--transition-base);
        }
        .site-header.scrolled .navbar-glass {
            background: rgba(13, 15, 20, 0.92);
            border-bottom-color: rgba(255, 255, 255, 0.06);
        }
        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 24px;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-text-strong);
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }
        .nav-brand:hover {
            color: var(--color-primary);
        }
        .nav-brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(201, 169, 110, 0.25), rgba(201, 169, 110, 0.08));
            color: var(--color-primary);
            font-size: 0.95rem;
            transition: background var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-brand:hover .nav-brand-icon {
            box-shadow: 0 0 20px var(--color-primary-glow);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 24px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-muted);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .nav-links a:hover {
            color: var(--color-text-strong);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-links a.active {
            color: var(--color-primary);
            background: rgba(201, 169, 110, 0.1);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 20px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-bg-deep);
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            white-space: nowrap;
            flex-shrink: 0;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: var(--shadow-gold);
            color: var(--color-bg-deep);
            background: linear-gradient(135deg, var(--color-accent), var(--color-primary-light));
        }
        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-md);
            color: var(--color-text-strong);
            font-size: 1.25rem;
            border: 1px solid var(--color-border);
            background: rgba(255, 255, 255, 0.03);
            transition: background var(--transition-fast), border-color var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--color-border-light);
        }

        /* ===== Main ===== */
        .main-content {
            padding-top: var(--header-height);
        }

        /* ===== 板块间距 ===== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--color-primary);
            margin-bottom: 12px;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(201, 169, 110, 0.08);
            border: 1px solid var(--color-border-gold);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--color-text-strong);
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 640px;
            line-height: 1.6;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-subtitle {
            margin: 0 auto;
        }

        /* ===== Hero Banner ===== */
        .hero-banner {
            position: relative;
            padding: 90px 0 100px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            filter: brightness(0.35) saturate(0.7);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg,
                    rgba(13, 15, 20, 0.3) 0%,
                    rgba(13, 15, 20, 0.7) 40%,
                    rgba(13, 15, 20, 0.95) 100%);
        }
        .hero-overlay-top {
            position: absolute;
            inset: 0;
            z-index: 2;
            background: radial-gradient(ellipse at 60% 30%, rgba(201, 169, 110, 0.12) 0%, transparent 55%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 720px;
        }
        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .hero-breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .hero-breadcrumb a:hover {
            color: var(--color-primary);
        }
        .hero-breadcrumb .sep {
            color: var(--color-text-dim);
            font-size: 0.7rem;
        }
        .hero-breadcrumb .current {
            color: var(--color-primary);
            font-weight: 500;
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 16px;
            color: var(--color-text-strong);
            line-height: 1.2;
        }
        .hero-title .accent {
            color: var(--color-primary);
        }
        .hero-desc {
            font-size: 1.12rem;
            color: var(--color-text-muted);
            margin-bottom: 32px;
            line-height: 1.7;
            max-width: 560px;
        }
        .hero-stats-row {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            font-family: var(--font-display);
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--color-text-dim);
            margin-top: 4px;
        }

        /* ===== 评测指标卡片 ===== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            border-radius: 0 0 4px 4px;
            background: var(--color-primary);
            opacity: 0;
            transition: opacity var(--transition-base), width var(--transition-base);
        }
        .metric-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-border-gold);
        }
        .metric-card:hover::before {
            opacity: 1;
            width: 80px;
        }
        .metric-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.1);
            color: var(--color-primary);
            font-size: 1.4rem;
            margin-bottom: 16px;
            transition: background var(--transition-fast), box-shadow var(--transition-fast);
        }
        .metric-card:hover .metric-icon {
            background: rgba(201, 169, 110, 0.18);
            box-shadow: 0 0 20px var(--color-primary-glow);
        }
        .metric-score {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            font-family: var(--font-display);
            line-height: 1;
            margin-bottom: 6px;
        }
        .metric-score span {
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-muted);
        }
        .metric-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-strong);
            margin-bottom: 6px;
        }
        .metric-desc {
            font-size: 0.82rem;
            color: var(--color-text-dim);
            line-height: 1.5;
        }
        .metric-stars {
            color: var(--color-primary);
            font-size: 0.9rem;
            letter-spacing: 2px;
        }

        /* ===== 对比表格区 ===== */
        .compare-wrapper {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            overflow: hidden;
        }
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }
        .compare-table thead th {
            background: var(--color-bg-elevated);
            padding: 16px 20px;
            text-align: left;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-text-strong);
            border-bottom: 2px solid var(--color-border);
            white-space: nowrap;
        }
        .compare-table thead th:first-child {
            border-radius: var(--radius-xl) 0 0 0;
        }
        .compare-table thead th:last-child {
            border-radius: 0 var(--radius-xl) 0 0;
        }
        .compare-table tbody td {
            padding: 14px 20px;
            font-size: 0.9rem;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border);
            vertical-align: middle;
        }
        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }
        .compare-table tbody tr:hover td {
            background: rgba(255, 255, 255, 0.015);
        }
        .compare-table .badge-score {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-weight: 700;
            font-size: 0.85rem;
            font-family: var(--font-display);
        }
        .badge-score.high {
            background: rgba(74, 222, 128, 0.12);
            color: var(--color-success);
        }
        .badge-score.mid {
            background: rgba(245, 158, 11, 0.12);
            color: var(--color-warning);
        }
        .badge-score.low {
            background: rgba(239, 68, 68, 0.12);
            color: var(--color-danger);
        }
        .table-check {
            color: var(--color-success);
            font-size: 1rem;
        }
        .table-cross {
            color: var(--color-text-dim);
            font-size: 0.85rem;
        }
        .table-entry-name {
            font-weight: 600;
            color: var(--color-text-strong);
        }

        /* ===== 评测内容卡片网格 ===== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .review-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-border-gold);
        }
        .review-card-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--color-bg-elevated);
        }
        .review-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .review-card:hover .review-card-img img {
            transform: scale(1.04);
        }
        .review-card-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: rgba(13, 15, 20, 0.85);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            color: var(--color-primary);
            font-weight: 700;
            font-size: 0.78rem;
            padding: 5px 12px;
            border-radius: 14px;
            border: 1px solid var(--color-border-gold);
            letter-spacing: 0.04em;
        }
        .review-card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .review-card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .review-card-tag {
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            background: rgba(201, 169, 110, 0.08);
            color: var(--color-primary);
            border: 1px solid rgba(201, 169, 110, 0.2);
        }
        .review-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .review-card-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }
        .review-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--color-text-dim);
            padding-top: 12px;
            border-top: 1px solid var(--color-border);
        }
        .review-card-rating {
            display: flex;
            align-items: center;
            gap: 5px;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 0.9rem;
        }
        .review-card-rating i {
            font-size: 0.7rem;
        }

        /* ===== 深度评测特色区 ===== */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-block.reverse {
            direction: rtl;
        }
        .feature-block.reverse>* {
            direction: ltr;
        }
        .feature-image {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--color-bg-elevated);
            border: 1px solid var(--color-border);
        }
        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .feature-image-accent {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(13, 15, 20, 0.8);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            padding: 10px 16px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-gold);
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--color-primary);
        }
        .feature-text h3 {
            font-size: 1.6rem;
            margin-bottom: 14px;
            color: var(--color-text-strong);
        }
        .feature-text p {
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 18px;
            font-size: 0.95rem;
        }
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--color-text);
        }
        .feature-list li i {
            color: var(--color-primary);
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--color-text-strong);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question i {
            font-size: 0.75rem;
            color: var(--color-text-dim);
            transition: transform var(--transition-base), color var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-2xl);
            background: linear-gradient(135deg, var(--color-bg-elevated), var(--color-bg-card));
            border: 1px solid var(--color-border);
            padding: 56px 48px;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 30%, rgba(201, 169, 110, 0.08) 0%, transparent 60%);
            pointer-events: none;
            z-index: 0;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h3 {
            font-size: 1.8rem;
            margin-bottom: 12px;
            color: var(--color-text-strong);
        }
        .cta-section p {
            color: var(--color-text-muted);
            margin-bottom: 28px;
            font-size: 1rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: var(--color-bg-deep);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
            color: var(--color-bg-deep);
            background: linear-gradient(135deg, var(--color-accent), var(--color-primary-light));
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            border: 1.5px solid var(--color-border-gold);
            color: var(--color-primary);
            transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
            background: transparent;
        }
        .btn-outline:hover {
            background: rgba(201, 169, 110, 0.08);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .btn-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-bg-dark);
            border-top: 1px solid var(--color-border);
            padding: 40px 0 24px;
            margin-top: var(--section-gap);
        }
        .footer-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 20px;
        }
        .footer-brand {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text-strong);
            letter-spacing: -0.01em;
        }
        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .footer-links a {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            padding-top: 18px;
            border-top: 1px solid var(--color-border);
            font-size: 0.82rem;
            color: var(--color-text-dim);
            text-align: center;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .feature-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .feature-block.reverse {
                direction: ltr;
            }
            .hero-title {
                font-size: 2.3rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .cta-section {
                padding: 40px 28px;
                border-radius: var(--radius-xl);
            }
            .cta-section h3 {
                font-size: 1.5rem;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat-value {
                font-size: 1.5rem;
            }
            :root {
                --section-gap: 56px;
                --section-gap-sm: 36px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(19, 22, 29, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 0.95rem;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .hero-banner {
                padding: 60px 0 70px;
                min-height: 400px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-value {
                font-size: 1.3rem;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .compare-table-wrap {
                border-radius: var(--radius-lg);
            }
            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
                gap: 14px;
            }
            .footer-links {
                justify-content: center;
                gap: 14px;
            }
            .metric-card {
                padding: 20px 16px;
            }
            .metric-score {
                font-size: 2rem;
            }
            .review-card-body {
                padding: 16px;
            }
            :root {
                --section-gap: 44px;
                --section-gap-sm: 28px;
                --header-height: 64px;
            }
            .container {
                padding: 0 18px;
            }
            .container-narrow {
                padding: 0 18px;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .hero-banner {
                padding: 44px 0 50px;
                min-height: 340px;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-desc {
                font-size: 0.88rem;
            }
            .hero-stats-row {
                gap: 12px;
                flex-direction: column;
            }
            .hero-stat-value {
                font-size: 1.2rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .cta-section {
                padding: 24px 16px;
            }
            .cta-section h3 {
                font-size: 1.15rem;
            }
            .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .compare-table thead th,
            .compare-table tbody td {
                padding: 10px 12px;
                font-size: 0.78rem;
            }
            .faq-question {
                font-size: 0.88rem;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 14px;
                font-size: 0.82rem;
            }
        }