/* roulang page: index */
:root {
            --bg-primary: #0E0C14;
            --bg-secondary: #171425;
            --card-solid: #1A1626;
            --primary: #E61E6B;
            --secondary: #7C3AED;
            --accent: #F5B548;
            --brand-gradient: linear-gradient(135deg, #E61E6B 0%, #B01D9E 45%, #7C3AED 100%);
            --text-primary: #F5F2FA;
            --text-secondary: #B9ABC4;
            --text-muted: #8B7B9C;
            --border-default: rgba(255, 255, 255, 0.10);
            --border-hover: rgba(230, 30, 107, 0.55);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 24px 80px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 30px 90px rgba(0, 0, 0, 0.55);
            --shadow-nav: 0 8px 32px rgba(0, 0, 0, 0.35);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --container-max: 1200px;
            --section-padding: 76px;
            --section-padding-mobile: 40px;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 50;
            background: rgba(14, 12, 20, 0.55);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-default);
            box-shadow: var(--shadow-nav);
            transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
        }

        .site-header.scrolled {
            background: #0E0C14;
            border-bottom-color: rgba(255, 255, 255, 0.16);
            box-shadow: 0 12px 48px rgba(0, 0, 0, 0.55);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--brand-gradient);
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-logo span {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links a {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 2px;
            transition: color 0.25s ease;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--brand-gradient);
            border-radius: 2px;
            transition: width 0.3s ease;
        }

        .nav-links a:hover {
            color: var(--text-primary);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--text-primary);
            font-weight: 700;
        }

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

        .nav-search-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-default);
            color: var(--text-secondary);
            transition: all 0.25s ease;
        }

        .nav-search-btn:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            border-color: var(--border-hover);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--brand-gradient);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all 0.3s ease;
            box-shadow: 0 8px 24px rgba(230, 30, 107, 0.35);
        }

        .nav-cta:hover {
            filter: brightness(1.1);
            box-shadow: 0 10px 32px rgba(230, 30, 107, 0.5);
            transform: translateY(-2px);
        }

        .nav-cta:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .nav-cta:active {
            transform: scale(0.98);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-default);
            cursor: pointer;
        }

        .nav-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 120px 0 64px;
            min-height: 520px;
            display: flex;
            align-items: center;
            background-color: var(--bg-primary);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('/assets/images/85f4ffac996fec66.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(14, 12, 20, 0.45) 0%, rgba(14, 12, 20, 0.75) 55%, rgba(14, 12, 20, 0.95) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: clamp(32px, 5vw, 64px);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }

        .hero-content h1 .gradient-text {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content p.hero-desc {
            font-size: 17px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 540px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--brand-gradient);
            color: #fff;
            box-shadow: 0 8px 24px rgba(230, 30, 107, 0.35);
        }

        .btn-primary:hover {
            filter: brightness(1.12);
            box-shadow: 0 12px 32px rgba(230, 30, 107, 0.5);
            transform: translateY(-2px);
        }

        .btn-primary:focus-visible,
        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-primary:active,
        .btn-secondary:active {
            transform: scale(0.98);
        }

        .btn-secondary {
            background: rgba(124, 58, 237, 0.12);
            border: 1px solid var(--secondary);
            color: var(--text-primary);
        }

        .btn-secondary:hover {
            background: rgba(124, 58, 237, 0.22);
            border-color: #9B5CFB;
            transform: translateY(-2px);
        }

        .hero-form-card {
            background: rgba(26, 22, 38, 0.88);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
        }

        .hero-form-card h2 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .hero-form-card .form-subtitle {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 14px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 15px;
            transition: all 0.25s ease;
        }

        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 30, 107, 0.15);
        }

        .form-group input::placeholder {
            color: var(--text-muted);
        }

        .form-privacy {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 10px;
            text-align: center;
        }

        /* ===== KPI 看板 ===== */
        .kpi-section {
            padding: var(--section-padding) 0;
            background-color: var(--bg-primary);
        }

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

        .kpi-card {
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all 0.3s ease;
        }

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

        .kpi-card .kpi-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            display: block;
        }

        .kpi-card .kpi-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 6px;
            display: block;
        }

        /* ===== 通用 section ===== */
        .section {
            padding: var(--section-padding) 0;
        }

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

        .section-header {
            margin-bottom: 36px;
        }

        .section-header .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            border: 1px solid rgba(230, 30, 107, 0.4);
            border-radius: var(--radius-pill);
            padding: 4px 14px;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: clamp(22px, 3vw, 34px);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-header .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 720px;
        }

        /* ===== 服务矩阵 ===== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .service-card {
            position: relative;
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            transition: all 0.35s ease;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--brand-gradient);
            opacity: 0;
            transition: opacity 0.35s ease;
        }

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

        .service-card:hover::before {
            opacity: 1;
        }

        .service-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(230, 30, 107, 0.12);
            color: var(--primary);
            font-size: 20px;
            margin-bottom: 16px;
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .service-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--accent);
            background: rgba(245, 181, 72, 0.12);
            border: 1px solid rgba(245, 181, 72, 0.3);
            border-radius: var(--radius-pill);
            padding: 3px 12px;
        }

        /* ===== 结果对比 ===== */
        .compare-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: start;
        }

        .compare-card {
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all 0.3s ease;
        }

        .compare-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
        }

        .compare-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .compare-card h3 .compare-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            font-size: 12px;
        }

        .compare-card h3 .compare-icon.good {
            background: rgba(245, 181, 72, 0.15);
            color: var(--accent);
        }

        .compare-card h3 .compare-icon.bad {
            background: rgba(230, 30, 107, 0.15);
            color: var(--primary);
        }

        .compare-rows {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .compare-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 14px;
            color: var(--text-secondary);
        }

        .compare-row .compare-label {
            font-weight: 500;
        }

        .compare-row .compare-value {
            font-weight: 700;
            color: var(--text-primary);
            text-align: right;
        }

        .compare-summary {
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 16px;
        }

        .compare-summary h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .compare-summary .data-bar {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .compare-summary .bar-track {
            flex: 1;
            height: 8px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 4px;
            overflow: hidden;
        }

        .compare-summary .bar-fill {
            height: 100%;
            background: var(--brand-gradient);
            border-radius: 4px;
        }

        /* ===== 里程碑 ===== */
        .timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 24px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, rgba(230,30,107,0.4), rgba(124,58,237,0.4));
            opacity: 0.3;
        }

        .timeline-item {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .timeline-dot {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            margin: 0 auto 14px;
            border-radius: 50%;
            background: var(--brand-gradient);
            color: #fff;
            font-weight: 800;
            font-size: 16px;
            box-shadow: 0 8px 20px rgba(230, 30, 107, 0.35);
        }

        .timeline-item h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .timeline-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== 场景专题 ===== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .scene-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 220px;
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            transition: all 0.35s ease;
            display: flex;
            align-items: flex-end;
        }

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

        .scene-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.4;
            transition: opacity 0.35s ease;
        }

        .scene-card:hover .scene-bg {
            opacity: 0.55;
        }

        .scene-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(14,12,20,0.2) 0%, rgba(14,12,20,0.85) 100%);
        }

        .scene-content {
            position: relative;
            z-index: 2;
            padding: 20px;
        }

        .scene-content h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .scene-content p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .scene-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
        }

        .scene-link:hover {
            color: #F03B82;
        }

        /* ===== 精品合集 ===== */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .collection-card {
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.35s ease;
        }

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

        .collection-card .card-img-wrap {
            position: relative;
            height: 160px;
            overflow: hidden;
        }

        .collection-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .collection-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .collection-card .card-img-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(14,12,20,0.1) 0%, rgba(14,12,20,0.5) 100%);
        }

        .collection-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }

        .card-badge {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background: var(--brand-gradient);
            color: #fff;
        }

        .card-badge.gold {
            background: rgba(245, 181, 72, 0.9);
            color: #1a1a1a;
        }

        .collection-card .card-body {
            padding: 16px 18px;
        }

        .collection-card .card-body h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .collection-card .card-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .collection-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ===== 分类入口 ===== */
        .category-entry-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .category-entry-card {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all 0.35s ease;
        }

        .category-entry-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .category-entry-card .entry-img {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
        }

        .category-entry-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .category-entry-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 8px;
        }

        .category-entry-card .entry-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
        }

        /* ===== 资讯列表 ===== */
        .news-wrapper {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 28px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            gap: 16px;
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: 18px;
            transition: all 0.3s ease;
        }

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

        .news-item img {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .news-item .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-item .news-content h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .news-item .news-content p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 8px;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .news-item .news-meta {
            display: flex;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .news-item .news-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-empty {
            padding: 32px;
            text-align: center;
            color: var(--text-muted);
            background: var(--card-solid);
            border: 1px dashed var(--border-default);
            border-radius: var(--radius-md);
            font-size: 14px;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-sidebar-card {
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: 20px;
        }

        .news-sidebar-card h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .news-sidebar-card ul li {
            font-size: 13px;
            color: var(--text-secondary);
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .news-sidebar-card ul li:last-child {
            border-bottom: none;
        }

        .news-sidebar-card ul li a:hover {
            color: var(--primary);
        }

        /* ===== 平台保障 ===== */
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .safety-card {
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            text-align: center;
            transition: all 0.3s ease;
        }

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

        .safety-card .safety-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            margin: 0 auto 12px;
            border-radius: 50%;
            background: rgba(124, 58, 237, 0.12);
            color: var(--secondary);
            font-size: 20px;
        }

        .safety-card h3 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .safety-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== 快速解答 ===== */
        .quick-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .quick-card {
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            gap: 16px;
            transition: all 0.3s ease;
        }

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

        .quick-card .quick-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(230, 30, 107, 0.12);
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
        }

        .quick-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .quick-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ===== FAQ ===== */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 700;
            font-size: 15px;
            color: var(--text-primary);
            user-select: none;
            transition: color 0.25s ease;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform 0.3s ease;
            color: var(--text-muted);
        }

        .faq-question.open .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

        .faq-answer.open {
            padding-bottom: 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== 转化表单 ===== */
        .cta-section {
            padding: var(--section-padding) 0;
            background: linear-gradient(135deg, rgba(230, 30, 107, 0.12) 0%, rgba(124, 58, 237, 0.12) 100%);
        }

        .cta-card {
            background: var(--card-solid);
            border: 1px solid rgba(230, 30, 107, 0.3);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
            box-shadow: var(--shadow-card);
        }

        .cta-content h2 {
            font-size: clamp(22px, 3vw, 30px);
            font-weight: 700;
            margin-bottom: 16px;
        }

        .cta-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .cta-form .form-group {
            margin-bottom: 12px;
        }

        .cta-form .btn-primary {
            width: 100%;
            justify-content: center;
        }

        /* ===== 数据资源墙 ===== */
        .data-wall {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: start;
        }

        .data-stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        .data-stat-card {
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: 18px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .data-stat-card:hover {
            border-color: var(--border-hover);
        }

        .data-stat-card .stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            display: block;
        }

        .data-stat-card .stat-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .keyword-cloud {
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: 20px;
        }

        .keyword-cloud h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .keyword-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .keyword-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-pill);
            padding: 5px 14px;
            transition: all 0.25s ease;
        }

        .keyword-tag:hover {
            background: rgba(230, 30, 107, 0.12);
            border-color: var(--border-hover);
            color: var(--text-primary);
        }

        /* ===== 设备适配 ===== */
        .device-card {
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            display: flex;
            align-items: center;
            gap: 24px;
            transition: all 0.3s ease;
        }

        .device-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
        }

        .device-card .device-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            background: var(--brand-gradient);
            color: #fff;
            font-size: 26px;
            flex-shrink: 0;
        }

        .device-card .device-info h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .device-card .device-info p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .device-list {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 12px;
        }

        .device-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-pill);
            padding: 4px 12px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-default);
            padding: 48px 0 32px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 12px;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-muted);
            transition: color 0.25s ease;
        }

        .footer-col ul li a:hover {
            color: var(--text-primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-bottom .footer-cta {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
        }

        .footer-bottom .footer-cta:hover {
            color: #F03B82;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .collection-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .safety-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .timeline {
                grid-template-columns: repeat(2, 1fr);
            }
            .timeline::before {
                display: none;
            }
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-actions .nav-cta {
                display: none;
            }

            .site-header.mobile-open .nav-links {
                display: flex;
                flex-direction: column;
                position: fixed;
                top: 68px;
                left: 0;
                width: 100%;
                background: #0E0C14;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid var(--border-default);
                box-shadow: var(--shadow-nav);
            }

            .site-header.mobile-open .nav-links a {
                font-size: 16px;
                padding: 8px 0;
            }

            .hero {
                padding: 100px 0 40px;
                min-height: auto;
            }

            .hero .container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-content h1 {
                font-size: clamp(28px, 7vw, 40px);
            }
            .hero-content p.hero-desc {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }

            .section {
                padding: var(--section-padding-mobile) 0;
            }
            .kpi-section {
                padding: var(--section-padding-mobile) 0;
            }
            .cta-section {
                padding: var(--section-padding-mobile) 0;
            }

            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .kpi-card .kpi-number {
                font-size: 28px;
            }

            .service-grid {
                grid-template-columns: 1fr;
            }
            .compare-wrapper {
                grid-template-columns: 1fr;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .collection-grid {
                grid-template-columns: 1fr;
            }
            .category-entry-grid {
                grid-template-columns: 1fr;
            }
            .news-wrapper {
                grid-template-columns: 1fr;
            }
            .safety-grid {
                grid-template-columns: 1fr;
            }
            .quick-grid {
                grid-template-columns: 1fr;
            }
            .data-wall {
                grid-template-columns: 1fr;
            }
            .cta-card {
                grid-template-columns: 1fr;
                padding: 28px 20px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .timeline {
                grid-template-columns: 1fr;
            }
            .timeline-item {
                text-align: left;
                display: flex;
                align-items: center;
                gap: 14px;
            }
            .timeline-dot {
                margin: 0;
                width: 40px;
                height: 40px;
                font-size: 14px;
                flex-shrink: 0;
            }
            .device-card {
                flex-direction: column;
                text-align: center;
                padding: 24px 18px;
            }
            .news-item {
                flex-direction: column;
            }
            .news-item img {
                width: 100%;
                height: 140px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .kpi-grid {
                grid-template-columns: 1fr 1fr;
            }
            .kpi-card {
                padding: 16px 12px;
            }
            .kpi-card .kpi-number {
                font-size: 24px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .hero-form-card {
                padding: 22px 18px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
        }

        @media (max-width: 320px) {
            .kpi-grid {
                grid-template-columns: 1fr;
            }
            .hero-content h1 {
                font-size: 24px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0E0C14;
            --bg-secondary: #171425;
            --card-solid: #1A1626;
            --primary: #E61E6B;
            --secondary: #7C3AED;
            --accent: #F5B548;
            --brand-gradient: linear-gradient(135deg, #E61E6B 0%, #B01D9E 45%, #7C3AED 100%);
            --text-primary: #F5F2FA;
            --text-secondary: #B9ABC4;
            --text-muted: #8B7B9C;
            --border-default: rgba(255, 255, 255, 0.10);
            --border-hover: rgba(230, 30, 107, 0.55);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 24px 80px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 30px 90px rgba(0, 0, 0, 0.55);
            --shadow-nav: 0 8px 32px rgba(0, 0, 0, 0.35);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --container-max: 1200px;
            --section-padding: 76px;
            --section-padding-mobile: 40px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
            border: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 50;
            background: rgba(14, 12, 20, 0.55);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-default);
            box-shadow: var(--shadow-nav);
            transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
        }
        .site-header.scrolled {
            background: #0E0C14;
            border-bottom-color: rgba(255, 255, 255, 0.16);
            box-shadow: 0 12px 48px rgba(0, 0, 0, 0.55);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .nav-logo .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--brand-gradient);
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }
        .nav-logo span {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 2px;
            transition: color 0.25s ease;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--brand-gradient);
            border-radius: 2px;
            transition: width 0.3s ease;
        }
        .nav-links a:hover {
            color: var(--text-primary);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--text-primary);
            font-weight: 700;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-default);
            color: var(--text-secondary);
            transition: all 0.25s ease;
        }
        .nav-search-btn:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            border-color: var(--border-hover);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--brand-gradient);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all 0.3s ease;
            box-shadow: 0 8px 24px rgba(230, 30, 107, 0.35);
        }
        .nav-cta:hover {
            filter: brightness(1.12);
            box-shadow: 0 12px 32px rgba(230, 30, 107, 0.5);
            transform: translateY(-2px);
        }
        .nav-cta:active {
            transform: scale(0.98);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .nav-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--border-hover);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-section {
            padding-top: 96px;
            padding-bottom: 12px;
            background: var(--bg-primary);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }
        .breadcrumb a:hover {
            color: var(--text-primary);
        }
        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 400px;
        }

        /* ===== 文章主体 ===== */
        .article-main {
            padding-bottom: var(--section-padding);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 32px;
            align-items: start;
        }
        .article-content-area {
            min-width: 0;
        }

        /* 文章头部 */
        .article-detail-card {
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-lg);
            padding: 32px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-card);
        }
        .article-detail-card .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(124, 58, 237, 0.15);
            border: 1px solid rgba(124, 58, 237, 0.4);
            border-radius: var(--radius-pill);
            color: #B9A5E8;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
            transition: all 0.25s ease;
        }
        .article-detail-card .article-category-badge:hover {
            background: rgba(124, 58, 237, 0.25);
            border-color: rgba(124, 58, 237, 0.65);
            color: #fff;
        }
        .article-detail-card h1 {
            font-size: clamp(24px, 3.5vw, 38px);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-default);
            margin-bottom: 20px;
        }
        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .article-meta-item i {
            color: var(--accent);
            font-size: 14px;
        }

        /* 正文 */
        .article-body {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
        }
        .article-body h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 28px 0 14px;
            line-height: 1.4;
        }
        .article-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 22px 0 10px;
            line-height: 1.4;
        }
        .article-body p {
            margin-bottom: 14px;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-card);
        }
        .article-body blockquote {
            background: rgba(124, 58, 237, 0.08);
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 20px 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 16px 24px;
            list-style: disc;
            color: var(--text-secondary);
        }
        .article-body ol {
            list-style: decimal;
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .article-body a {
            color: #B9A5E8;
            text-decoration: underline;
            transition: color 0.25s ease;
        }
        .article-body a:hover {
            color: var(--primary);
        }

        /* 正文空态 */
        .article-empty {
            background: var(--card-solid);
            border: 1px dashed var(--border-default);
            border-radius: var(--radius-lg);
            padding: 60px 32px;
            text-align: center;
            margin-bottom: 24px;
        }
        .article-empty i {
            font-size: 48px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .article-empty p {
            font-size: 18px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        /* 侧边栏 */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 88px;
        }
        .sidebar-card {
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }
        .sidebar-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
        }
        .sidebar-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h4 i {
            color: var(--accent);
            font-size: 15px;
        }
        .sidebar-card .sidebar-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .sidebar-mini-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            background: rgba(230, 30, 107, 0.12);
            border: 1px solid rgba(230, 30, 107, 0.4);
            border-radius: var(--radius-sm);
            color: #F5B548;
            font-weight: 600;
            font-size: 13px;
            transition: all 0.28s ease;
        }
        .sidebar-mini-btn:hover {
            background: rgba(230, 30, 107, 0.25);
            border-color: var(--border-hover);
            color: #fff;
            transform: translateY(-2px);
        }

        /* 工具条 */
        .article-toolbar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            margin-bottom: 24px;
        }
        .article-toolbar .toolbar-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-right: 4px;
        }
        .toolbar-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            transition: all 0.28s ease;
        }
        .toolbar-btn:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--border-hover);
            color: var(--text-primary);
        }
        .toolbar-btn i {
            font-size: 14px;
        }
        .toolbar-btn.liked {
            background: rgba(230, 30, 107, 0.15);
            border-color: rgba(230, 30, 107, 0.45);
            color: #F5B548;
        }

        /* 相关推荐 */
        .related-section {
            margin-top: 12px;
        }
        .related-section .section-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .related-section .section-heading h2 {
            font-size: clamp(20px, 2.5vw, 28px);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
        }
        .related-section .section-heading h2 span {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .related-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-secondary);
        }
        .related-card .card-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(14, 12, 20, 0.05) 0%, rgba(14, 12, 20, 0.75) 100%);
            pointer-events: none;
        }
        .related-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .related-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            padding: 4px 12px;
            background: var(--brand-gradient);
            border-radius: var(--radius-pill);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
        }
        .related-card .card-body {
            padding: 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .related-card .card-body h3 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-primary);
        }
        .related-card .card-body h3 a:hover {
            color: #F5B548;
        }
        .related-card .card-excerpt {
            font-size: 13px;
            line-height: 1.65;
            color: var(--text-muted);
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .related-card .card-meta i {
            color: var(--accent);
            font-size: 11px;
        }

        /* CTA 区域 */
        .article-cta-section {
            margin-top: 32px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-lg);
            padding: 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            box-shadow: var(--shadow-card);
        }
        .article-cta-section .cta-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .article-cta-section .cta-text p {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .article-cta-section .cta-btns {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-primary,
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 14px;
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--brand-gradient);
            color: #fff;
            box-shadow: 0 8px 24px rgba(230, 30, 107, 0.35);
        }
        .btn-primary:hover {
            filter: brightness(1.12);
            box-shadow: 0 12px 32px rgba(230, 30, 107, 0.5);
            transform: translateY(-2px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-secondary {
            background: rgba(124, 58, 237, 0.12);
            border: 1px solid rgba(124, 58, 237, 0.45);
            color: #B9A5E8;
        }
        .btn-secondary:hover {
            background: rgba(124, 58, 237, 0.25);
            border-color: rgba(124, 58, 237, 0.7);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-secondary:active {
            transform: scale(0.98);
        }

        /* 风险提示 */
        .risk-card {
            margin-top: 24px;
            background: rgba(230, 30, 107, 0.06);
            border: 1px solid rgba(230, 30, 107, 0.3);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }
        .risk-card i {
            font-size: 20px;
            color: var(--accent);
            flex-shrink: 0;
            margin-top: 4px;
        }
        .risk-card .risk-content h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .risk-card .risk-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud .tag-badge {
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-pill);
            font-size: 12px;
            color: var(--text-secondary);
            transition: all 0.25s ease;
        }
        .tag-cloud .tag-badge:hover {
            background: rgba(230, 30, 107, 0.15);
            border-color: var(--border-hover);
            color: #F5B548;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-default);
            padding: 48px 0 24px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color 0.25s ease;
        }
        .footer-col ul li a:hover {
            color: var(--text-primary);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--border-default);
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }
        .footer-bottom a:hover {
            color: #F5B548;
        }
        .footer-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: var(--brand-gradient);
            border-radius: var(--radius-sm);
            color: #fff !important;
            font-weight: 600;
            font-size: 13px;
            transition: all 0.3s ease;
        }
        .footer-cta:hover {
            filter: brightness(1.12);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 30, 107, 0.4);
        }

        /* ===== 移动端抽屉 ===== */
        .nav-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: var(--bg-secondary);
            border-left: 1px solid var(--border-default);
            box-shadow: -16px 0 60px rgba(0, 0, 0, 0.5);
            z-index: 60;
            display: flex;
            flex-direction: column;
            padding: 24px;
            gap: 20px;
            transition: right 0.35s ease;
            overflow-y: auto;
        }
        .nav-drawer.open {
            right: 0;
        }
        .nav-drawer .drawer-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 12px;
        }
        .nav-drawer .drawer-head .drawer-logo {
            font-weight: 800;
            font-size: 18px;
            color: var(--text-primary);
        }
        .nav-drawer .drawer-head .drawer-logo span {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-drawer .drawer-close {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-default);
            color: var(--text-secondary);
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .nav-drawer .drawer-close:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
        }
        .nav-drawer nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .nav-drawer nav a {
            padding: 12px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all 0.25s ease;
        }
        .nav-drawer nav a:hover,
        .nav-drawer nav a.active {
            background: rgba(230, 30, 107, 0.12);
            color: var(--text-primary);
        }
        .nav-drawer .drawer-cta {
            margin-top: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 20px;
            background: var(--brand-gradient);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-sm);
        }
        .nav-overlay {
            position: fixed;
            inset: 0;
            background: rgba(14, 12, 20, 0.7);
            -webkit-backdrop-filter: blur(4px);
            backdrop-filter: blur(4px);
            z-index: 55;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.35s ease;
        }
        .nav-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .related-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-padding: 40px;
            }
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .nav-search-btn {
                display: none;
            }
            .breadcrumb-section {
                padding-top: 88px;
            }
            .article-detail-card {
                padding: 20px;
            }
            .article-detail-card h1 {
                font-size: 22px;
            }
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                display: flex;
                flex-direction: column;
                gap: 16px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .article-cta-section {
                flex-direction: column;
                text-align: center;
                padding: 24px 20px;
            }
            .article-cta-section .cta-btns {
                justify-content: center;
                width: 100%;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .article-toolbar {
                justify-content: center;
                gap: 8px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .breadcrumb .current {
                max-width: 200px;
            }
        }
        @media (max-width: 520px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-detail-card {
                padding: 16px;
            }
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .article-toolbar {
                flex-direction: column;
                align-items: stretch;
            }
            .toolbar-btn {
                justify-content: center;
            }
            .risk-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .article-cta-section .cta-btns {
                flex-direction: column;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0E0C14;
            --bg-secondary: #171425;
            --card-solid: #1A1626;
            --primary: #E61E6B;
            --secondary: #7C3AED;
            --accent: #F5B548;
            --brand-gradient: linear-gradient(135deg, #E61E6B 0%, #B01D9E 45%, #7C3AED 100%);
            --text-primary: #F5F2FA;
            --text-secondary: #B9ABC4;
            --text-muted: #8B7B9C;
            --border-default: rgba(255, 255, 255, 0.10);
            --border-hover: rgba(230, 30, 107, 0.55);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 24px 80px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 30px 90px rgba(0, 0, 0, 0.55);
            --shadow-nav: 0 8px 32px rgba(0, 0, 0, 0.35);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --container-max: 1200px;
            --section-padding: 72px;
            --section-padding-mobile: 40px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        * , *::before, *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
            border: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 50;
            background: rgba(14, 12, 20, 0.55);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-default);
            box-shadow: var(--shadow-nav);
            transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
        }
        .site-header.scrolled {
            background: #0E0C14;
            border-bottom-color: rgba(255, 255, 255, 0.16);
            box-shadow: 0 12px 48px rgba(0, 0, 0, 0.55);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .nav-logo .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--brand-gradient);
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }
        .nav-logo span {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 2px;
            transition: color 0.25s ease;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--brand-gradient);
            border-radius: 2px;
            transition: width 0.3s ease;
        }
        .nav-links a:hover {
            color: var(--text-primary);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--text-primary);
            font-weight: 700;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-default);
            color: var(--text-secondary);
            transition: all 0.25s ease;
        }
        .nav-search-btn:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            border-color: var(--border-hover);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--brand-gradient);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all 0.3s ease;
        }
        .nav-cta:hover {
            filter: brightness(1.1);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(230, 30, 107, 0.35);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-default);
            color: var(--text-primary);
            font-size: 20px;
            transition: all 0.25s ease;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--border-hover);
        }
        .mobile-nav-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 48;
            background: rgba(14, 12, 20, 0.7);
            -webkit-backdrop-filter: blur(6px);
            backdrop-filter: blur(6px);
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.35s ease, visibility 0.35s ease;
        }
        .mobile-nav-overlay.open {
            opacity: 1;
            visibility: visible;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100%;
            z-index: 49;
            background: var(--bg-secondary);
            border-left: 1px solid var(--border-default);
            box-shadow: -8px 0 32px rgba(0, 0, 0, 0.5);
            padding: 28px 20px;
            display: flex;
            flex-direction: column;
            gap: 20px;
            transition: right 0.35s ease;
            overflow-y: auto;
        }
        .mobile-drawer.open {
            right: 0;
        }
        .mobile-drawer .nav-links-mobile {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 16px;
        }
        .mobile-drawer .nav-links-mobile a {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 10px 0;
            border-bottom: 1px solid var(--border-default);
            transition: color 0.25s ease;
        }
        .mobile-drawer .nav-links-mobile a:hover,
        .mobile-drawer .nav-links-mobile a.active {
            color: var(--primary);
        }
        .mobile-drawer .nav-cta {
            justify-content: center;
            margin-top: 12px;
        }
        .mobile-drawer-close {
            align-self: flex-end;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-default);
            color: var(--text-primary);
            font-size: 18px;
            transition: all 0.25s ease;
        }
        .mobile-drawer-close:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--primary);
            border-color: var(--border-hover);
        }

        /* ===== 分类 H1 区 ===== */
        .category-hero {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            padding-top: 96px;
            padding-bottom: 36px;
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14, 12, 20, 0.88) 0%, rgba(23, 20, 37, 0.75) 45%, rgba(14, 12, 20, 0.9) 100%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }
        .category-hero h1 {
            font-size: clamp(28px, 4vw, 48px);
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 14px;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }
        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 760px;
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }
        .hero-stat {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .hero-stat .stat-num {
            font-size: 26px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }
        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.3;
        }

        /* ===== 通用 section ===== */
        .section {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
        }
        .section-alt {
            background: var(--bg-secondary);
        }
        .section-header {
            margin-bottom: 32px;
        }
        .section-title {
            font-size: clamp(22px, 3vw, 34px);
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 10px;
            color: var(--text-primary);
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
            max-width: 720px;
        }
        .section-header.center {
            text-align: center;
        }
        .section-header.center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
        }
        .badge-primary {
            background: rgba(230, 30, 107, 0.14);
            border: 1px solid rgba(230, 30, 107, 0.35);
            color: #F5A3C4;
        }
        .badge-accent {
            background: rgba(245, 181, 72, 0.12);
            border: 1px solid rgba(245, 181, 72, 0.4);
            color: var(--accent);
        }
        .badge-gradient {
            background: var(--brand-gradient);
            border: none;
            color: #fff;
        }
        .badge-purple {
            background: rgba(124, 58, 237, 0.15);
            border: 1px solid rgba(124, 58, 237, 0.4);
            color: #C4B5FD;
        }

        /* ===== 主题筛选横条 ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .filter-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-default);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            user-select: none;
        }
        .filter-badge:hover,
        .filter-badge:focus-visible {
            background: rgba(230, 30, 107, 0.12);
            border-color: var(--border-hover);
            color: var(--text-primary);
        }
        .filter-badge:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .filter-badge.active-filter {
            background: var(--brand-gradient);
            border-color: transparent;
            color: #fff;
        }
        .filter-badge i {
            font-size: 13px;
        }

        /* ===== 内容卡片列表 ===== */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .content-card {
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
        }
        .content-card .card-cover {
            position: relative;
            display: block;
            width: 100%;
            aspect-ratio: 16 / 9;
            background-size: cover;
            background-position: center;
            background-color: var(--secondary);
            overflow: hidden;
        }
        .content-card .card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(14, 12, 20, 0.65) 0%, rgba(14, 12, 20, 0.1) 60%, rgba(14, 12, 20, 0.3) 100%);
        }
        .card-cover-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: rgba(14, 12, 20, 0.75);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.16);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
        }
        .card-cover-badge i {
            color: var(--accent);
            font-size: 11px;
        }
        .content-card .card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .card-meta .meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--accent);
            font-weight: 600;
        }
        .card-title-link {
            display: block;
            font-size: 18px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-primary);
            margin-bottom: 8px;
            transition: color 0.25s ease;
        }
        .card-title-link:hover {
            color: var(--primary);
        }
        .card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border-default);
            font-size: 12px;
            color: var(--text-muted);
        }
        .card-footer .card-date {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .card-footer .card-link-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--primary);
            font-weight: 600;
            transition: gap 0.25s ease;
        }
        .card-footer .card-link-more:hover {
            gap: 8px;
        }
        .empty-state {
            text-align: center;
            padding: 48px 20px;
            background: var(--card-solid);
            border: 1px dashed var(--border-default);
            border-radius: var(--radius-md);
            color: var(--text-muted);
            font-size: 16px;
        }

        /* ===== 查看更多按钮区 ===== */
        .list-more-wrap {
            text-align: center;
            margin-top: 32px;
        }
        .btn-load-more {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 13px 32px;
            border-radius: var(--radius-pill);
            background: rgba(124, 58, 237, 0.12);
            border: 1px solid rgba(124, 58, 237, 0.4);
            color: #C4B5FD;
            font-weight: 700;
            font-size: 15px;
            transition: all 0.3s ease;
        }
        .btn-load-more:hover {
            background: rgba(124, 58, 237, 0.2);
            border-color: rgba(124, 58, 237, 0.7);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(124, 58, 237, 0.25);
            color: #fff;
        }
        .btn-load-more:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== 数据支撑板块 ===== */
        .data-support-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-support-card {
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all 0.3s ease;
        }
        .data-support-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }
        .data-support-card .data-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            margin: 0 auto 14px;
            border-radius: var(--radius-sm);
            background: var(--brand-gradient);
            color: #fff;
            font-size: 22px;
        }
        .data-support-card .data-num {
            font-size: 34px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.1;
        }
        .data-support-card .data-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
        }
        .data-support-card .data-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* ===== 播放帮助说明 ===== */
        .help-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .help-card {
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all 0.3s ease;
        }
        .help-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }
        .help-card .help-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 46px;
            height: 46px;
            border-radius: var(--radius-sm);
            background: rgba(124, 58, 237, 0.15);
            border: 1px solid rgba(124, 58, 237, 0.35);
            color: #C4B5FD;
            font-size: 20px;
            margin-bottom: 14px;
        }
        .help-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text-primary);
        }
        .help-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.65;
        }

        /* ===== 相关推荐 ===== */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            display: flex;
            gap: 14px;
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: 14px;
            transition: all 0.3s ease;
            align-items: center;
        }
        .related-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }
        .related-card .related-cover {
            width: 84px;
            height: 64px;
            border-radius: var(--radius-sm);
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
            background-color: var(--secondary);
            position: relative;
            overflow: hidden;
        }
        .related-card .related-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(14, 12, 20, 0.25);
        }
        .related-card .related-info h4 {
            font-size: 15px;
            font-weight: 700;
            margin: 0 0 4px;
            color: var(--text-primary);
            line-height: 1.35;
        }
        .related-card .related-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }
        .related-card .related-info a {
            color: var(--primary);
            font-weight: 600;
        }
        .related-card .related-info a:hover {
            text-decoration: underline;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-solid);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            border-color: rgba(230, 30, 107, 0.3);
        }
        .faq-item.open {
            border-color: var(--border-hover);
            box-shadow: 0 10px 32px rgba(0, 0, 0, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 18px 20px;
            text-align: left;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            background: transparent;
            border: none;
            transition: background 0.3s ease;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-question .faq-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(230, 30, 107, 0.12);
            color: var(--primary);
            font-size: 13px;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 240px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== CTA 表单 ===== */
        .cta-card {
            background: var(--brand-gradient);
            border-radius: var(--radius-lg);
            padding: 44px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
        }
        .cta-left {
            flex: 1;
        }
        .cta-left h2 {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 800;
            margin: 0 0 10px;
            color: #fff;
            line-height: 1.3;
        }
        .cta-left p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
        }
        .cta-form-wrap {
            flex: 1;
            max-width: 460px;
            background: rgba(14, 12, 20, 0.5);
            border-radius: var(--radius-md);
            padding: 24px;
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.16);
        }
        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .cta-form .form-row {
            display: flex;
            gap: 12px;
        }
        .cta-form .form-row input,
        .cta-form .form-row select {
            flex: 1;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: #fff;
            font-size: 14px;
            transition: border-color 0.25s ease, background 0.25s ease;
        }
        .cta-form .form-row input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-form .form-row input:focus,
        .cta-form .form-row select:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.12);
            outline: 2px solid rgba(245, 181, 72, 0.4);
            outline-offset: 1px;
        }
        .cta-form .form-row select option {
            background: var(--bg-secondary);
            color: var(--text-primary);
        }
        .cta-submit {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 20px;
            background: #fff;
            color: #B01D9E;
            font-weight: 800;
            font-size: 15px;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
        }
        .cta-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
            background: #F5F2FA;
        }
        .cta-submit:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .cta-privacy {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 8px;
            text-align: center;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-default);
            padding: 48px 0 24px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 800;
            margin: 0 0 10px;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 320px;
            line-height: 1.65;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color 0.25s ease;
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid var(--border-default);
        }
        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }
        .footer-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--brand-gradient);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
        }
        .footer-cta:hover {
            filter: brightness(1.1);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(230, 30, 107, 0.35);
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-support-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .help-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-card {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
                padding: 32px 24px;
            }
            .cta-form-wrap {
                max-width: 100%;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-padding: var(--section-padding-mobile);
            }
            .nav-links {
                display: none;
            }
            .nav-actions .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-actions {
                gap: 8px;
            }
            .category-hero {
                min-height: 280px;
                padding-bottom: 28px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .hero-stats {
                gap: 16px;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .data-support-grid,
            .help-grid,
            .related-grid {
                grid-template-columns: 1fr;
            }
            .filter-bar {
                gap: 8px;
            }
            .filter-badge {
                padding: 7px 14px;
                font-size: 13px;
            }
            .cta-form .form-row {
                flex-direction: column;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }
            .related-card {
                flex-direction: row;
                align-items: center;
            }
            .related-card .related-cover {
                width: 72px;
                height: 54px;
            }
        }
        @media (max-width: 520px) {
            .nav-inner {
                min-height: 60px;
            }
            .nav-logo {
                font-size: 17px;
                gap: 8px;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
            .category-hero {
                min-height: 260px;
                padding-top: 80px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
            .hero-stat {
                gap: 6px;
            }
            .hero-stat .stat-num {
                font-size: 22px;
            }
            .data-support-card .data-num {
                font-size: 28px;
            }
            .cta-card {
                padding: 24px 16px;
            }
            .cta-left h2 {
                font-size: 22px;
            }
            .cta-form-wrap {
                padding: 18px;
            }
            .faq-question {
                font-size: 15px;
                padding: 14px 16px;
            }
        }