/* roulang page: index */
:root {
            --primary: #181A1F;
            --primary-light: #2A2E37;
            --accent: #0D9488;
            --accent-hover: #0F766E;
            --accent-light: #CCFBF1;
            --warm: #F59E0B;
            --warm-bg: #FEF3C7;
            --bg-main: #F8FAFC;
            --bg-alt: #FFFFFF;
            --bg-dark: #0F172A;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --text-light: #94A3B8;
            --border: #E2E8F0;
            --border-dark: #334155;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 20px -2px rgba(0,0,0,0.06), 0 2px 6px -1px rgba(0,0,0,0.03);
            --shadow-lg: 0 14px 34px -4px rgba(0,0,0,0.08), 0 6px 12px -2px rgba(0,0,0,0.04);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-full: 9999px;
            --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-main);
            color: var(--text-main);
            line-height: 1.8;
            overflow-x: hidden;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 顶部通栏与主导航 */
        .top-bar {
            background-color: #0B0F19;
            color: #94A3B8;
            font-size: 0.8125rem;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-bar-tags {
            display: flex;
            gap: 16px;
        }
        .top-bar-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .top-bar-tag::before {
            content: "";
            display: inline-block;
            width: 6px;
            height: 6px;
            background-color: var(--accent);
            border-radius: 50%;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
        }
        .logo-symbol {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent), #047857);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            font-weight: 900;
            box-shadow: 0 4px 10px rgba(13, 148, 136, 0.3);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        .nav-link {
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text-main);
            position: relative;
            padding: 8px 0;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent);
        }
        .nav-link::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent);
            transition: var(--transition);
        }
        .nav-link:hover::after, .nav-link.active::after {
            width: 100%;
        }

        .header-cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--primary);
            color: #FFFFFF;
            font-size: 0.875rem;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            transition: var(--transition);
        }
        .header-cta-btn:hover {
            background-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(13, 148, 136, 0.25);
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            cursor: pointer;
            padding: 6px;
        }
        .mobile-toggle span {
            width: 24px;
            height: 2.5px;
            background-color: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* 统一通用 Section 样式 */
        .section-block {
            padding: 96px 0;
            position: relative;
        }
        .section-block.bg-alt {
            background-color: var(--bg-alt);
        }
        .section-block.bg-dark {
            background-color: var(--bg-dark);
            color: #F8FAFC;
        }
        .section-block.bg-dark .section-desc {
            color: #94A3B8;
        }
        .section-header {
            margin-bottom: 54px;
            max-width: 820px;
        }
        .section-header.text-center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8125rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--accent);
            background-color: var(--accent-light);
            padding: 4px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 16px;
        }
        .section-badge.badge-warm {
            color: #B45309;
            background-color: var(--warm-bg);
        }
        .section-badge.badge-dark {
            background-color: rgba(255,255,255,0.1);
            color: #5EEAD4;
        }
        .section-title {
            font-size: 2.15rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
            color: inherit;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* 板块 1: Hero Banner (沉浸暗底发布会质感) */
        .hero-section {
            position: relative;
            background-color: #07090E;
            color: #FFFFFF;
            min-height: 88vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 100px 0 80px;
        }
        .hero-bg-poster {
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(7,9,14,0.95) 25%, rgba(7,9,14,0.7) 60%, rgba(7,9,14,0.3) 100%),
                        url('/assets/images/296d94605a7c436a.webp') center center / cover no-repeat;
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-heat-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.16);
            backdrop-filter: blur(8px);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.84rem;
            color: #5EEAD4;
            margin-bottom: 24px;
        }
        .hero-heat-badge span.indicator {
            width: 8px;
            height: 8px;
            background-color: #10B981;
            border-radius: 50%;
            box-shadow: 0 0 10px #10B981;
        }
        .hero-title {
            font-size: 3.1rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 22px;
            color: #FFFFFF;
        }
        .hero-intro {
            font-size: 1.1rem;
            color: #CBD5E1;
            margin-bottom: 36px;
            line-height: 1.85;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            margin-bottom: 44px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--accent);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 34px;
            border-radius: var(--radius-full);
            box-shadow: 0 8px 24px rgba(13, 148, 136, 0.4);
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(13, 148, 136, 0.5);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.4);
            transform: translateY(-2px);
        }
        .hero-highlights {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 24px;
        }
        .hero-spec-item strong {
            display: block;
            font-size: 1.45rem;
            color: #FFFFFF;
            font-weight: 700;
        }
        .hero-spec-item span {
            font-size: 0.8125rem;
            color: #94A3B8;
        }

        /* 适用人群与匹配板块 (蓝图重点) */
        .audience-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .audience-card {
            background-color: var(--bg-alt);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .audience-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(13, 148, 136, 0.4);
        }
        .audience-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background-color: var(--accent-light);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
        }
        .audience-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--primary);
        }
        .audience-desc {
            font-size: 0.9375rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-grow: 1;
        }
        .audience-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-pill {
            font-size: 0.75rem;
            background-color: #F1F5F9;
            color: #475569;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            font-weight: 500;
        }

        /* 对比板块：谁适合 / 谁不适合 */
        .contrast-table-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin-top: 20px;
        }
        .contrast-box {
            border-radius: var(--radius-lg);
            padding: 36px;
            border: 1px solid var(--border);
            background: #FFFFFF;
        }
        .contrast-box.suitable {
            border-top: 4px solid var(--accent);
            background: linear-gradient(180deg, rgba(204, 251, 241, 0.15) 0%, #FFFFFF 30%);
        }
        .contrast-box.unsuitable {
            border-top: 4px solid #94A3B8;
            background: #FAFAFA;
        }
        .contrast-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
        }
        .contrast-badge-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }
        .suitable .contrast-badge-icon {
            background-color: var(--accent);
            color: #fff;
        }
        .unsuitable .contrast-badge-icon {
            background-color: #94A3B8;
            color: #fff;
        }
        .contrast-items-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .contrast-items-list li {
            position: relative;
            padding-left: 28px;
            font-size: 0.95rem;
            color: var(--text-main);
            line-height: 1.6;
        }
        .suitable .contrast-items-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: 800;
            font-size: 1.1rem;
        }
        .unsuitable .contrast-items-list li::before {
            content: "✕";
            position: absolute;
            left: 0;
            color: #94A3B8;
            font-weight: 800;
            font-size: 1rem;
        }

        /* 核心生态与研发标准板块 */
        .tech-duo-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .tech-media-box {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .tech-media-box img {
            width: 100%;
            height: 480px;
            object-fit: cover;
        }
        .tech-badge-overlay {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            background: rgba(15, 23, 42, 0.88);
            backdrop-filter: blur(10px);
            padding: 18px 24px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.15);
            color: #FFFFFF;
        }
        .cert-check-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.875rem;
            color: #5EEAD4;
            font-weight: 600;
        }

        /* 六大核心技术优势卡片 */
        .tech-core-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .tech-card {
            background-color: var(--bg-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: var(--transition);
        }
        .tech-card:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .tech-card-metric {
            font-size: 0.8125rem;
            color: var(--accent);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .tech-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--primary);
        }
        .tech-card-p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 热门产品矩阵三栏 */
        .product-matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            align-items: stretch;
        }
        .product-card {
            background-color: var(--bg-alt);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            position: relative;
            transition: var(--transition);
        }
        .product-card.featured {
            border: 2px solid var(--accent);
            transform: scale(1.03);
            box-shadow: var(--shadow-lg);
            z-index: 2;
        }
        .featured-tag {
            position: absolute;
            top: 14px;
            right: 14px;
            background-color: var(--accent);
            color: #FFFFFF;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            z-index: 10;
        }
        .product-thumb {
            width: 100%;
            height: 220px;
            overflow: hidden;
            background-color: #F1F5F9;
        }
        .product-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .product-card:hover .product-thumb img {
            transform: scale(1.05);
        }
        .product-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .product-title {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .product-brief {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.6;
        }
        .param-list {
            list-style: none;
            border-top: 1px solid var(--border);
            padding-top: 16px;
            margin-bottom: 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .param-item {
            display: flex;
            justify-content: space-between;
            font-size: 0.84rem;
        }
        .param-item span:first-child {
            color: var(--text-muted);
        }
        .param-item span:last-child {
            font-weight: 600;
            color: var(--primary);
        }
        .product-card-cta {
            margin-top: auto;
        }
        .product-btn {
            display: block;
            text-align: center;
            padding: 12px 20px;
            border-radius: var(--radius-md);
            font-size: 0.9375rem;
            font-weight: 700;
            background-color: #F1F5F9;
            color: var(--primary);
            transition: var(--transition);
        }
        .product-btn:hover {
            background-color: var(--accent);
            color: #FFFFFF;
        }
        .featured .product-btn {
            background-color: var(--accent);
            color: #FFFFFF;
        }
        .featured .product-btn:hover {
            background-color: var(--accent-hover);
        }

        /* 场景演示板块 */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .scenario-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .scenario-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .scenario-content {
            padding: 24px;
        }
        .scenario-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #FFFFFF;
        }
        .scenario-p {
            font-size: 0.88rem;
            color: #94A3B8;
            line-height: 1.7;
        }

        /* 用户故事版块 */
        .stories-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .story-card {
            background-color: #FFFFFF;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            display: flex;
            box-shadow: var(--shadow-sm);
        }
        .story-img-side {
            width: 45%;
            position: relative;
        }
        .story-img-side img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .story-body {
            width: 55%;
            padding: 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .story-user-tag {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .story-h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--primary);
            line-height: 1.4;
        }
        .story-text {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 数据统计条 */
        .stats-stripe {
            background: linear-gradient(135deg, #181A1F, #0F172A);
            color: #FFFFFF;
            padding: 60px 0;
            border-top: 1px solid rgba(255,255,255,0.08);
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-card strong {
            font-size: 2.8rem;
            font-weight: 800;
            color: #5EEAD4;
            display: block;
            line-height: 1.1;
            margin-bottom: 8px;
        }
        .stat-card p {
            font-size: 0.875rem;
            color: #CBD5E1;
            font-weight: 500;
        }

        /* 评价墙 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            background-color: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .review-stars {
            color: var(--warm);
            font-size: 0.875rem;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }
        .review-quote {
            font-size: 0.9rem;
            color: var(--text-main);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .review-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--text-muted);
            border-top: 1px dashed var(--border);
            padding-top: 12px;
        }
        .review-author {
            font-weight: 600;
            color: var(--primary);
        }

        /* 资讯与标准动态 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .news-thumb {
            height: 180px;
            overflow: hidden;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-content {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .news-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .news-heading {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--primary);
            line-height: 1.4;
        }
        .news-summary {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .news-anchor {
            margin-top: auto;
            font-size: 0.85rem;
            color: var(--accent);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 常见异议解答 FAQ */
        .faq-wrapper {
            max-width: 880px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background-color: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item.active {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            user-select: none;
        }
        .faq-icon-arrow {
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease;
            color: var(--text-muted);
            font-weight: 700;
        }
        .faq-item.active .faq-icon-arrow {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            padding: 0 24px 20px 24px;
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.8;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* 预约与线索表单转化区 */
        .booking-card-container {
            background: linear-gradient(135deg, #181A1F 0%, #111827 100%);
            border-radius: var(--radius-lg);
            padding: 48px;
            color: #FFFFFF;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            border: 1px solid rgba(255,255,255,0.1);
            box-shadow: var(--shadow-lg);
        }
        .booking-info h2 {
            font-size: 2.1rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.25;
            color: #FFFFFF;
        }
        .booking-info p {
            font-size: 0.95rem;
            color: #94A3B8;
            line-height: 1.8;
            margin-bottom: 30px;
        }
        .booking-promise-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .booking-promise-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: #E2E8F0;
        }
        .booking-form {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 32px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .form-group label {
            display: block;
            font-size: 0.8125rem;
            font-weight: 600;
            color: #CBD5E1;
            margin-bottom: 6px;
        }
        .form-control {
            width: 100%;
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: #FFFFFF;
            font-size: 0.9375rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--accent);
            background-color: rgba(255, 255, 255, 0.12);
        }
        .form-control option {
            background-color: #1E293B;
            color: #FFFFFF;
        }
        .submit-btn {
            background-color: var(--accent);
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 700;
            padding: 14px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
            margin-top: 8px;
        }
        .submit-btn:hover {
            background-color: var(--accent-hover);
        }
        .form-feedback {
            font-size: 0.8rem;
            color: #5EEAD4;
            text-align: center;
            display: none;
        }

        /* 统一双重页脚 */
        .site-footer {
            background-color: #0B0F17;
            color: #94A3B8;
            font-size: 0.875rem;
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 64px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand-title {
            font-size: 1.4rem;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-brand-desc {
            font-size: 0.85rem;
            line-height: 1.8;
            color: #64748B;
            max-width: 320px;
            margin-bottom: 20px;
        }
        .footer-col-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 18px;
        }
        .footer-link-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-link-list a:hover {
            color: #FFFFFF;
        }
        .footer-contact-item {
            margin-bottom: 8px;
            font-size: 0.85rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: #64748B;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-legal-links {
            display: flex;
            gap: 16px;
        }

        /* 响应式断点适配 */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .audience-grid, .product-matrix-grid, .scenarios-grid, .reviews-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tech-core-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tech-duo-layout, .stories-grid, .booking-card-container {
                grid-template-columns: 1fr;
            }
            .story-card {
                flex-direction: column;
            }
            .story-img-side, .story-body {
                width: 100%;
            }
            .story-img-side {
                height: 220px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                row-gap: 32px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .nav-links, .header-cta-btn {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .nav-links.mobile-active {
                display: flex;
                position: absolute;
                top: 74px;
                left: 0;
                right: 0;
                background-color: #FFFFFF;
                flex-direction: column;
                padding: 24px;
                gap: 16px;
                box-shadow: 0 10px 25px rgba(0,0,0,0.1);
                border-bottom: 1px solid var(--border);
            }
            .hero-section {
                padding: 60px 0 50px;
                min-height: auto;
            }
            .hero-title {
                font-size: 2.1rem;
            }
            .section-block {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.75rem;
            }
            .audience-grid, .contrast-table-wrapper, .tech-core-grid, .product-matrix-grid, .scenarios-grid, .reviews-grid, .news-grid {
                grid-template-columns: 1fr;
            }
            .hero-highlights {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .booking-card-container {
                padding: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }