/* roulang page: index */
:root {
            --bg-base: #0d1117;
            --bg-surface: #161b22;
            --bg-elevated: #21262d;
            --brand-primary: #00e599;
            --brand-primary-rgb: 0, 229, 153;
            --brand-hover: #00c784;
            --accent-orange: #f59e0b;
            --accent-purple: #8b5cf6;
            --text-main: #f0f6fc;
            --text-muted: #8b949e;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-highlight: rgba(0, 229, 153, 0.3);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-full: 9999px;
            --container-max: 1240px;
            --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 25px rgba(0, 229, 153, 0.15);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            background-color: var(--bg-base);
            color: var(--text-main);
        }

        body {
            font-family: var(--font-family);
            line-height: 1.75;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            width: 92%;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        /* 顶部悬浮 Dock 导航 */
        .dock-header {
            position: fixed;
            top: 1rem;
            left: 50%;
            transform: translateX(-50%);
            width: 92%;
            max-width: 1140px;
            z-index: 100;
            background: rgba(22, 27, 34, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-full);
            padding: 0.6rem 1.4rem;
            box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.45);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .dock-logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 1.15rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: #fff;
        }

        .dock-logo-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--brand-primary), #007755);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0d1117;
            font-weight: 900;
            font-size: 1.1rem;
        }

        .dock-nav-list {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 1.5rem;
        }

        .dock-nav-item a {
            font-size: 0.92rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .dock-nav-item a:hover {
            color: var(--brand-primary);
        }

        .dock-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .status-pill {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.8rem;
            color: var(--brand-primary);
            background: rgba(0, 229, 153, 0.1);
            padding: 0.25rem 0.65rem;
            border-radius: var(--radius-full);
            border: 1px solid rgba(0, 229, 153, 0.25);
        }

        .status-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--brand-primary);
            box-shadow: 0 0 8px var(--brand-primary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 0.6rem 1.4rem;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--brand-primary);
            color: #0d1117;
            box-shadow: 0 4px 14px rgba(var(--brand-primary-rgb), 0.25);
        }

        .btn-primary:hover {
            background-color: var(--brand-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(var(--brand-primary-rgb), 0.35);
        }

        .btn-secondary {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.15);
            color: var(--text-main);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }

        /* 统一标题体系 */
        .section-header {
            text-align: center;
            max-width: 780px;
            margin: 0 auto 3.5rem;
        }

        .section-badge {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: var(--brand-primary);
            background: rgba(0, 229, 153, 0.1);
            border: 1px solid rgba(0, 229, 153, 0.2);
            padding: 0.25rem 0.8rem;
            border-radius: var(--radius-full);
            margin-bottom: 1rem;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.02em;
            color: #ffffff;
            margin-bottom: 1rem;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 板块基础规范 */
        section {
            padding: 6.5rem 0;
            position: relative;
        }

        .section-alternate {
            background-color: #090d13;
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        /* 1. Hero 堆叠卡片首屏 */
        .hero-section {
            padding-top: 9.5rem;
            padding-bottom: 6rem;
            background: radial-gradient(circle at 50% 20%, rgba(0, 229, 153, 0.08) 0%, transparent 60%);
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            text-align: center;
            max-width: 860px;
            margin: 0 auto 4rem;
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin-bottom: 1.5rem;
            background: linear-gradient(180deg, #ffffff 40%, #a2b0c1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-lead {
            font-size: 1.15rem;
            color: var(--text-muted);
            line-height: 1.85;
            margin-bottom: 2.2rem;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.25rem;
        }

        .hero-stack-container {
            position: relative;
            max-width: 1100px;
            margin: 0 auto;
            min-height: 480px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .stack-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            box-shadow: var(--shadow-card);
            transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .stack-main {
            width: 70%;
            z-index: 3;
            border-color: var(--border-highlight);
            box-shadow: 0 20px 50px rgba(0,0,0,0.7), var(--shadow-glow);
        }

        .stack-side-left {
            position: absolute;
            left: 0;
            width: 45%;
            z-index: 1;
            transform: scale(0.92) translateX(-4%) translateY(6%);
            opacity: 0.85;
            filter: blur(0.5px);
        }

        .stack-side-right {
            position: absolute;
            right: 0;
            width: 45%;
            z-index: 2;
            transform: scale(0.92) translateX(4%) translateY(6%);
            opacity: 0.85;
            filter: blur(0.5px);
        }

        .stack-card:hover {
            transform: scale(1) translateY(-4px);
            opacity: 1;
            filter: none;
            z-index: 10;
        }

        .mock-console-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid var(--border-subtle);
            padding-bottom: 1rem;
            margin-bottom: 1.2rem;
        }

        .mock-dots {
            display: flex;
            gap: 0.4rem;
        }

        .mock-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #30363d;
        }

        .mock-title {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-family: monospace;
        }

        /* 2. 指标看板 */
        .metrics-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .metric-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            position: relative;
            overflow: hidden;
            border-top: 3px solid var(--brand-primary);
        }

        .metric-value {
            font-size: 2.6rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1;
            margin-bottom: 0.6rem;
            font-variant-numeric: tabular-nums;
        }

        .metric-label {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 0.4rem;
        }

        .metric-sub {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 3. 适用人群板块 */
        .persona-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
        }

        .persona-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 2.2rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .persona-tag {
            font-size: 0.8rem;
            color: var(--accent-orange);
            background: rgba(245, 158, 11, 0.1);
            padding: 0.2rem 0.6rem;
            border-radius: var(--radius-sm);
            align-self: flex-start;
            margin-bottom: 1rem;
        }

        .persona-name {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: #fff;
        }

        .persona-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .persona-features {
            list-style: none;
            border-top: 1px solid var(--border-subtle);
            padding-top: 1.25rem;
        }

        .persona-features li {
            font-size: 0.9rem;
            color: var(--text-main);
            margin-bottom: 0.6rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .persona-features li::before {
            content: "✓";
            color: var(--brand-primary);
            font-weight: bold;
        }

        /* 4. 谁适合/谁不适合 */
        .suitability-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }

        .suit-box {
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
        }

        .suit-positive {
            border-left: 4px solid var(--brand-primary);
        }

        .suit-negative {
            border-left: 4px solid #ef4444;
        }

        .suit-box h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .suit-list {
            list-style: none;
        }

        .suit-list li {
            padding: 0.85rem 0;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .suit-list li:last-child {
            border-bottom: none;
        }

        .suit-list strong {
            color: var(--text-main);
            display: block;
            margin-bottom: 0.25rem;
        }

        /* 5. 核心优势 6 卡 */
        .grid-3x2 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .feature-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 2rem;
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            border-color: rgba(var(--brand-primary-rgb), 0.4);
            transform: translateY(-4px);
        }

        .feature-icon-box {
            width: 48px;
            height: 48px;
            background: rgba(0, 229, 153, 0.08);
            border: 1px solid rgba(0, 229, 153, 0.2);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-primary);
            font-size: 1.4rem;
            margin-bottom: 1.25rem;
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: #fff;
        }

        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 6. 匹配方案 (产品矩阵) */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .solution-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .solution-thumb {
            height: 200px;
            width: 100%;
            object-fit: cover;
            border-bottom: 1px solid var(--border-subtle);
        }

        .solution-body {
            padding: 2rem;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .solution-body h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: #fff;
        }

        .solution-body p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 1.5rem;
            flex-grow: 1;
        }

        .solution-specs {
            background: rgba(0, 0, 0, 0.25);
            border-radius: var(--radius-sm);
            padding: 1rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }

        .spec-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.4rem;
        }

        .spec-item:last-child {
            margin-bottom: 0;
        }

        .spec-val {
            color: var(--brand-primary);
            font-weight: 600;
        }

        /* 7. 结果对比 */
        .compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
        }

        .compare-table th, .compare-table td {
            padding: 1.4rem 1.8rem;
            text-align: left;
            border-bottom: 1px solid var(--border-subtle);
        }

        .compare-table th {
            background: #1f2631;
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
        }

        .compare-table td {
            font-size: 0.95rem;
            color: var(--text-muted);
        }

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

        .col-highlight {
            background: rgba(0, 229, 153, 0.03);
            color: var(--text-main) !important;
            border-left: 1px solid var(--border-subtle);
            border-right: 1px solid var(--border-subtle);
        }

        th.col-highlight {
            background: rgba(0, 229, 153, 0.12);
            color: var(--brand-primary) !important;
        }

        /* 8. 架构理念与技术实战 */
        .tech-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3.5rem;
            align-items: center;
        }

        .tech-img-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
        }

        .tech-desc-list {
            margin-top: 1.5rem;
        }

        .tech-desc-item {
            margin-bottom: 1.25rem;
        }

        .tech-desc-item h4 {
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 0.4rem;
        }

        .tech-desc-item p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 9. 入口分流矩阵 */
        .portal-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }

        .portal-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            display: block;
            position: relative;
            overflow: hidden;
            transition: all 0.25s ease;
        }

        .portal-card:hover {
            border-color: var(--brand-primary);
            background: var(--bg-elevated);
        }

        .portal-tag {
            font-size: 0.75rem;
            color: var(--brand-primary);
            text-transform: uppercase;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .portal-card h4 {
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .portal-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 10. 里程碑发展历程 */
        .timeline {
            position: relative;
            max-width: 860px;
            margin: 0 auto;
        }

        .timeline::before {
            content: "";
            position: absolute;
            top: 0;
            bottom: 0;
            left: 20px;
            width: 2px;
            background: var(--border-subtle);
        }

        .timeline-item {
            position: relative;
            padding-left: 60px;
            margin-bottom: 2.5rem;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-node {
            position: absolute;
            left: 12px;
            top: 4px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--bg-base);
            border: 3px solid var(--brand-primary);
        }

        .timeline-date {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--brand-primary);
            margin-bottom: 0.3rem;
        }

        .timeline-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .timeline-text {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 11. 资讯动态 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
        }

        .news-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }

        .news-card h3 {
            font-size: 1.15rem;
            color: #fff;
            line-height: 1.5;
            margin-bottom: 0.8rem;
        }

        .news-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 1.25rem;
        }

        .news-link {
            font-size: 0.88rem;
            color: var(--brand-primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        /* 12. 平台保障 */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .trust-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 2rem 1.5rem;
            text-align: center;
        }

        .trust-icon {
            font-size: 2rem;
            color: var(--brand-primary);
            margin-bottom: 1rem;
        }

        .trust-card h4 {
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .trust-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 13. FAQ 手风琴 */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
            overflow: hidden;
        }

        .faq-question {
            padding: 1.4rem 1.8rem;
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .faq-toggle-icon {
            font-size: 1.2rem;
            color: var(--brand-primary);
            transition: transform 0.3s ease;
        }

        .faq-answer {
            padding: 0 1.8rem;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.75;
        }

        .faq-item.active .faq-toggle-icon {
            transform: rotate(45deg);
        }

        .faq-item.active .faq-answer {
            padding-bottom: 1.4rem;
            max-height: 300px;
        }

        /* 14. 转化表单 */
        .cta-box {
            background: linear-gradient(135deg, rgba(22, 27, 34, 0.95), rgba(13, 17, 23, 0.95));
            border: 1px solid var(--border-highlight);
            border-radius: var(--radius-lg);
            padding: 3.5rem;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 3rem;
            align-items: center;
        }

        .cta-content h2 {
            font-size: 2.2rem;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 1rem;
        }

        .cta-content p {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }

        .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }

        .form-group-full {
            grid-column: span 2;
        }

        .form-control {
            width: 100%;
            background: #0d1117;
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 0.85rem 1rem;
            font-size: 0.92rem;
            color: #fff;
            font-family: inherit;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 2px rgba(0, 229, 153, 0.2);
        }

        select.form-control {
            color: var(--text-muted);
        }

        select.form-control option {
            background: #161b22;
            color: #fff;
        }

        /* 页脚规范 */
        .footer {
            background-color: #080b0f;
            border-top: 1px solid var(--border-subtle);
            padding: 5rem 0 2rem;
            color: var(--text-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 3rem;
            margin-bottom: 4rem;
        }

        .footer-brand h3 {
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1.25rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 0.75rem;
        }

        .footer-links a {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        .footer-links a:hover {
            color: var(--brand-primary);
        }

        .footer-contact p {
            font-size: 0.88rem;
            margin-bottom: 0.6rem;
            line-height: 1.6;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
        }

        .footer-legal a {
            margin-left: 1.5rem;
            color: var(--text-muted);
        }

        .footer-legal a:hover {
            color: #fff;
        }

        /* 响应式断点适配 */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .stack-main {
                width: 90%;
            }
            .stack-side-left, .stack-side-right {
                display: none;
            }
            .metrics-strip, .persona-grid, .solutions-grid, .grid-3x2, .news-grid, .trust-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .portal-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-box {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .dock-header {
                width: 96%;
                padding: 0.5rem 1rem;
            }
            .dock-nav-list {
                display: none;
            }
            .hero-section {
                padding-top: 7rem;
            }
            .hero-title {
                font-size: 2rem;
            }
            .suitability-wrap, .tech-showcase {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .metrics-strip, .persona-grid, .solutions-grid, .grid-3x2, .news-grid, .trust-grid, .portal-grid {
                grid-template-columns: 1fr;
            }
            .compare-table {
                display: block;
                overflow-x: auto;
            }
            .cta-form {
                grid-template-columns: 1fr;
            }
            .form-group-full {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 1rem;
                text-align: center;
            }
            .footer-legal a {
                margin: 0 0.5rem;
            }
        }