/* roulang page: index */
:root {
            --primary: #1e40af;
            --primary-dark: #1e3a8a;
            --primary-light: #3b82f6;
            --primary-bg: #eff6ff;
            --primary-pale: #dbeafe;
            --bg-page: #ffffff;
            --bg-alt: #f1f5f9;
            --bg-card: #ffffff;
            --bg-hero: #f8fafc;
            --text-primary: #0f172a;
            --text-body: #334155;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-lg: 0 8px 20px rgba(0,0,0,0.12);
            --shadow-xl: 0 12px 32px rgba(0,0,0,0.16);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-nav: 40px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.2s ease;
            --transition-slow: 0.3s ease;
            --max-width: 1200px;
            --nav-height: 56px;
            --section-gap: 80px;
            --section-gap-mobile: 40px;
            --font-h1: 2.25rem;
            --font-h2: 1.75rem;
            --font-h3: 1.375rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --font-lg: 1.125rem;
            --line-height: 1.6;
        }

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

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

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            font-size: var(--font-body);
            line-height: var(--line-height);
            color: var(--text-body);
            background-color: var(--bg-page);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            background: none;
        }

        input {
            background: #fff;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ========== 浮动 Dock 导航 ========== */
        .nav-dock {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-nav);
            padding: 8px 24px;
            box-shadow: 0 4px 24px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.04);
            display: flex;
            align-items: center;
            gap: 28px;
            transition: all var(--transition-normal);
            max-width: calc(100vw - 40px);
        }

        .nav-dock .nav-logo {
            font-weight: 700;
            font-size: 1rem;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }

        .nav-dock .nav-links {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-shrink: 0;
        }

        .nav-dock .nav-links a {
            font-size: var(--font-sm);
            color: #334155;
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 20px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-dock .nav-links a:hover,
        .nav-dock .nav-links a.active {
            color: var(--primary);
            background: var(--primary-bg);
        }

        .nav-dock .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-dock .nav-search-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: #64748b;
            transition: all var(--transition-fast);
            font-size: 1rem;
        }

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

        .nav-dock .btn-nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 9px 18px;
            border-radius: 22px;
            font-size: var(--font-sm);
            font-weight: 600;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: none;
        }

        .nav-dock .btn-nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-md);
        }

        .nav-hamburger {
            display: none;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            flex-shrink: 0;
            font-size: 1.25rem;
            color: var(--text-body);
            transition: all var(--transition-fast);
        }

        .nav-hamburger:hover {
            background: var(--bg-alt);
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(0,0,0,0.5);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-normal);
        }

        .mobile-menu-overlay.active {
            display: block;
            opacity: 1;
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100vh;
            background: #fff;
            z-index: 1001;
            padding: 24px;
            box-shadow: -4px 0 20px rgba(0,0,0,0.15);
            transition: right var(--transition-slow);
            flex-direction: column;
            gap: 16px;
            overflow-y: auto;
        }

        .mobile-menu-panel.active {
            right: 0;
        }

        .mobile-menu-panel a {
            display: block;
            padding: 12px 16px;
            font-size: var(--font-body);
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }

        .mobile-menu-panel a:hover,
        .mobile-menu-panel a.active {
            background: var(--primary-bg);
            color: var(--primary);
        }

        .mobile-menu-panel .mobile-close {
            align-self: flex-end;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1.25rem;
            color: var(--text-muted);
            transition: all var(--transition-fast);
        }

        .mobile-menu-panel .mobile-close:hover {
            background: var(--bg-alt);
        }

        /* ========== Hero 区域 ========== */
        .hero {
            padding: 140px 0 80px;
            background: linear-gradient(170deg, #f0f4ff 0%, #e8f0fe 25%, #f8fafc 60%, #ffffff 100%);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: soft-light;
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(255,255,255,0.75);
            z-index: 0;
        }

        .hero .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .hero h1 {
            font-size: var(--font-h1);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }

        .hero .hero-subtitle {
            font-size: var(--font-lg);
            color: #475569;
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .hero-search-wrap {
            max-width: 560px;
            margin: 0 auto 28px;
            display: flex;
            background: #fff;
            border-radius: 50px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            overflow: hidden;
            border: 2px solid transparent;
            transition: all var(--transition-normal);
        }

        .hero-search-wrap:focus-within {
            border-color: var(--primary);
            box-shadow: 0 6px 28px rgba(30,64,175,0.15);
        }

        .hero-search-wrap input {
            flex: 1;
            padding: 16px 20px;
            font-size: var(--font-body);
            color: var(--text-primary);
            border: none;
            outline: none;
            background: transparent;
            min-width: 0;
        }

        .hero-search-wrap input::placeholder {
            color: #94a3b8;
        }

        .hero-search-wrap button {
            padding: 16px 28px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            border: none;
            white-space: nowrap;
            transition: all var(--transition-fast);
            font-size: var(--font-body);
        }

        .hero-search-wrap button:hover {
            background: var(--primary-dark);
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-bottom: 40px;
        }

        .hero-tags .tag {
            display: inline-block;
            padding: 8px 18px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 24px;
            font-size: var(--font-sm);
            color: var(--text-body);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            font-weight: 500;
        }

        .hero-tags .tag:hover {
            background: var(--primary-bg);
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-stat-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
        }

        .hero-stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .hero-stat-card .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .hero-stat-card .stat-label {
            font-size: var(--font-xs);
            color: var(--text-muted);
            margin-top: 4px;
            font-weight: 500;
        }

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

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

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

        .section-header h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-header p {
            font-size: var(--font-body);
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ========== 卖点三连 ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

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

        .feature-card .feature-icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-pale);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.5rem;
            color: var(--primary);
            flex-shrink: 0;
        }

        .feature-card h3 {
            font-size: var(--font-h3);
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .feature-card .feature-list {
            flex: 1;
            margin-bottom: 16px;
        }

        .feature-card .feature-list li {
            font-size: var(--font-sm);
            color: var(--text-body);
            padding: 5px 0;
            padding-left: 18px;
            position: relative;
            line-height: 1.6;
        }

        .feature-card .feature-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 11px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
        }

        .feature-card .feature-link {
            font-size: var(--font-sm);
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .feature-card .feature-link .arrow {
            transition: transform var(--transition-fast);
            display: inline-block;
        }

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

        .feature-card.feature-card-accent {
            border-top: 3px solid var(--primary);
        }

        /* ========== 场景演示 / 对比表格 ========== */
        .comparison-wrap {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: var(--font-sm);
        }

        .comparison-table thead th {
            background: var(--primary);
            color: #fff;
            padding: 14px 16px;
            font-weight: 600;
            text-align: center;
            font-size: var(--font-sm);
            white-space: nowrap;
        }

        .comparison-table thead th:first-child {
            text-align: left;
            padding-left: 24px;
            border-radius: 0;
        }

        .comparison-table tbody td {
            padding: 14px 16px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-body);
        }

        .comparison-table tbody td:first-child {
            text-align: left;
            padding-left: 24px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .comparison-table tbody tr:nth-child(odd) {
            background: #f8fafc;
        }

        .comparison-table tbody tr:nth-child(even) {
            background: #ffffff;
        }

        .comparison-table tbody tr:hover {
            background: #eff6ff;
        }

        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }

        .comparison-table .rating-stars {
            color: #f59e0b;
            font-size: var(--font-sm);
            letter-spacing: 1px;
        }

        .comparison-scroll {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        /* ========== 社会认同 ========== */
        .social-proof-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-card .testimonial-stars {
            color: #f59e0b;
            font-size: 0.9rem;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }

        .testimonial-card .testimonial-text {
            font-size: var(--font-sm);
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-card .testimonial-author {
            font-size: var(--font-xs);
            color: var(--text-muted);
            font-weight: 600;
        }

        .social-proof-banner {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 32px;
            text-align: center;
        }

        .social-proof-banner .proof-item {
            padding: 16px;
        }

        .social-proof-banner .proof-number {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--primary);
        }

        .social-proof-banner .proof-label {
            font-size: var(--font-xs);
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== 热门专题 ========== */
        .topics-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .topic-tag {
            padding: 10px 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 28px;
            font-size: var(--font-sm);
            color: var(--text-body);
            cursor: pointer;
            transition: all var(--transition-fast);
            font-weight: 500;
            white-space: nowrap;
        }

        .topic-tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .topic-tag.topic-hot {
            background: #fef3c7;
            border-color: #f59e0b;
            color: #92400e;
            font-weight: 600;
        }

        .topic-tag.topic-hot:hover {
            background: #f59e0b;
            color: #fff;
            border-color: #f59e0b;
        }

        /* ========== 内容预告 ========== */
        .preview-timeline {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .preview-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            border-left: 4px solid var(--primary);
            position: relative;
        }

        .preview-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .preview-card .preview-badge {
            display: inline-block;
            padding: 4px 12px;
            background: #fef3c7;
            color: #92400e;
            font-size: var(--font-xs);
            font-weight: 600;
            border-radius: 12px;
            margin-bottom: 12px;
        }

        .preview-card .preview-badge.upcoming {
            background: #dbeafe;
            color: #1e40af;
        }

        .preview-card h4 {
            font-size: var(--font-body);
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .preview-card p {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ========== 资讯区 ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
            align-items: start;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: flex-start;
            gap: 16px;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .news-item:hover {
            padding-left: 8px;
            background: #fafbfc;
            border-radius: 4px;
            margin: 0 -8px;
            padding-right: 8px;
        }

        .news-item .news-date {
            font-size: var(--font-xs);
            color: var(--text-muted);
            white-space: nowrap;
            min-width: 70px;
            padding-top: 2px;
        }

        .news-item .news-title {
            font-size: var(--font-sm);
            font-weight: 500;
            color: var(--text-primary);
            line-height: 1.5;
            flex: 1;
        }

        .news-item .news-title:hover {
            color: var(--primary);
        }

        .news-item .news-tag {
            font-size: var(--font-xs);
            padding: 3px 10px;
            background: var(--primary-pale);
            color: var(--primary);
            border-radius: 10px;
            white-space: nowrap;
            font-weight: 500;
        }

        .news-sidebar {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            position: sticky;
            top: 100px;
        }

        .news-sidebar h4 {
            font-size: var(--font-body);
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary-pale);
        }

        .news-sidebar .hot-item {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: var(--font-sm);
            color: var(--text-body);
            cursor: pointer;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-sidebar .hot-item:hover {
            color: var(--primary);
        }

        .news-sidebar .hot-item .hot-rank {
            width: 22px;
            height: 22px;
            border-radius: 4px;
            background: var(--primary-pale);
            color: var(--primary);
            font-size: var(--font-xs);
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .news-sidebar .hot-item:first-child .hot-rank {
            background: #fef3c7;
            color: #92400e;
        }

        .news-sidebar .hot-item:last-child {
            border-bottom: none;
        }

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

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: var(--font-body);
            color: var(--text-primary);
            user-select: none;
            gap: 12px;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: #fafbfc;
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-slow);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            background: var(--primary-pale);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            background: #f8fafc;
            font-size: var(--font-sm);
            color: var(--text-body);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            padding: 0;
        }

        /* ========== 转化表单 ========== */
        .cta-form-section {
            background: linear-gradient(135deg, #f0f4ff 0%, #e2e8ff 100%);
        }

        .cta-form-wrap {
            max-width: 480px;
            margin: 0 auto;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-lg);
            text-align: center;
        }

        .cta-form-wrap h2 {
            font-size: var(--font-h3);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .cta-form-wrap .cta-form-desc {
            font-size: var(--font-sm);
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.6;
        }

        .cta-form-wrap .form-group {
            margin-bottom: 14px;
            text-align: left;
        }

        .cta-form-wrap input {
            width: 100%;
            padding: 14px 16px;
            border: 1.5px solid #cbd5e1;
            border-radius: var(--radius-md);
            font-size: var(--font-body);
            color: var(--text-primary);
            transition: all var(--transition-fast);
            background: #fff;
        }

        .cta-form-wrap input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30,64,175,0.08);
        }

        .cta-form-wrap .form-row {
            display: flex;
            gap: 10px;
        }

        .cta-form-wrap .form-row input {
            flex: 1;
        }

        .cta-form-wrap .btn-verify {
            padding: 14px 16px;
            background: #e2e8f0;
            border-radius: var(--radius-md);
            font-size: var(--font-sm);
            font-weight: 500;
            color: var(--text-body);
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: none;
        }

        .cta-form-wrap .btn-verify:hover {
            background: #cbd5e1;
        }

        .cta-form-wrap .btn-submit {
            width: 100%;
            padding: 15px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: var(--font-body);
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: all var(--transition-fast);
            margin-top: 4px;
        }

        .cta-form-wrap .btn-submit:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(30,64,175,0.25);
            transform: translateY(-1px);
        }

        .cta-form-wrap .privacy-note {
            font-size: var(--font-xs);
            color: #94a3b8;
            margin-top: 12px;
            line-height: 1.5;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #1e293b;
            color: #e2e8f0;
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-col h4 {
            font-size: var(--font-body);
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col .footer-logo {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-col .footer-desc {
            font-size: var(--font-sm);
            color: #94a3b8;
            line-height: 1.7;
        }

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

        .footer-col ul li a {
            font-size: var(--font-sm);
            color: #94a3b8;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-col .social-icons {
            display: flex;
            gap: 12px;
            margin-top: 12px;
        }

        .footer-col .social-icons a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #94a3b8;
            transition: all var(--transition-fast);
            font-size: 1rem;
        }

        .footer-col .social-icons a:hover {
            background: rgba(255,255,255,0.18);
            color: #fff;
        }

        .footer-bottom {
            background: #0f172a;
            padding: 18px 0;
            text-align: center;
            font-size: var(--font-xs);
            color: #64748b;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .social-proof-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .preview-timeline {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr 280px;
                gap: 20px;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                max-width: 500px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .social-proof-banner {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-dock {
                top: 0;
                left: 0;
                transform: none;
                border-radius: 0;
                max-width: 100vw;
                width: 100%;
                padding: 8px 16px;
                justify-content: space-between;
                box-shadow: 0 2px 12px rgba(0,0,0,0.08);
                gap: 12px;
            }
            .nav-dock .nav-links {
                display: none;
            }
            .nav-dock .nav-actions .btn-nav-cta {
                font-size: var(--font-xs);
                padding: 7px 14px;
            }
            .nav-hamburger {
                display: flex;
            }
            .mobile-menu-panel {
                display: flex;
            }
            .hero {
                padding: 100px 0 50px;
                min-height: auto;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero .hero-subtitle {
                font-size: var(--font-sm);
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .hero-stat-card .stat-number {
                font-size: 1.75rem;
            }
            .hero-search-wrap {
                max-width: 100%;
            }
            .hero-search-wrap input {
                padding: 13px 14px;
                font-size: var(--font-sm);
            }
            .hero-search-wrap button {
                padding: 13px 18px;
                font-size: var(--font-sm);
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .social-proof-grid {
                grid-template-columns: 1fr;
            }
            .preview-timeline {
                grid-template-columns: 1fr;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                position: static;
                order: -1;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .social-proof-banner {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .comparison-scroll {
                margin: 0 -16px;
                padding: 0 16px;
            }
            .comparison-table {
                font-size: var(--font-xs);
                min-width: 500px;
            }
            .cta-form-wrap {
                padding: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-tags {
                gap: 6px;
            }
            .hero-tags .tag {
                padding: 6px 12px;
                font-size: var(--font-xs);
            }
            .topics-cloud {
                gap: 8px;
            }
            .topic-tag {
                padding: 7px 14px;
                font-size: var(--font-xs);
            }
            .faq-question {
                font-size: var(--font-sm);
                padding: 14px 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

        @media (max-width: 520px) {
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .hero-stat-card {
                padding: 14px 10px;
            }
            .hero-stat-card .stat-number {
                font-size: 1.5rem;
            }
            .cta-form-wrap .form-row {
                flex-direction: column;
            }
            .social-proof-banner {
                grid-template-columns: 1fr 1fr;
            }
            .container {
                padding: 0 14px;
            }
        }