/* roulang page: index */
:root {
            --primary: #E85D04;
            --primary-hover: #F48C06;
            --primary-light: rgba(232, 93, 4, 0.08);
            --secondary: #2B2D42;
            --slate: #8D99AE;
            --dark-bg: #1A1D20;
            --dark-card: #24282C;
            --light-bg: #F8F9FA;
            --pearl-gray: #EDF2F4;
            --text-main: #212529;
            --text-muted: #6C757D;
            --text-light: #F8F9FA;
            --white: #FFFFFF;
            --border-color: rgba(0, 0, 0, 0.08);
            --border-dark: rgba(255, 255, 255, 0.1);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 16px 36px rgba(232, 93, 4, 0.12);
            --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: var(--light-bg);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        button, input, select, textarea {
            font: inherit;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部通栏导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .top-bar {
            background-color: var(--secondary);
            color: #D1D5DB;
            font-size: 13px;
            padding: 6px 0;
        }

        .top-bar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .top-bar-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(232, 93, 4, 0.2);
            color: #FFB703;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 500;
        }

        .top-bar-info {
            display: flex;
            gap: 20px;
        }

        .main-nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.5px;
        }

        .brand-logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-hover));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            font-weight: 900;
            font-size: 18px;
            box-shadow: 0 4px 10px rgba(232, 93, 4, 0.3);
        }

        .brand-logo span {
            color: var(--primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }

        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--secondary);
            position: relative;
            padding: 6px 0;
        }

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

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: var(--transition);
        }

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

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-hover));
            color: var(--white) !important;
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 14px;
            box-shadow: 0 4px 14px rgba(232, 93, 4, 0.3);
        }

        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(232, 93, 4, 0.4);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--secondary);
            cursor: pointer;
        }

        /* 通用板块样式规范 */
        .section-padding {
            padding: 96px 0;
        }

        .section-header {
            margin-bottom: 56px;
            text-align: center;
            max-width: 820px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-tag {
            display: inline-block;
            color: var(--primary);
            font-weight: 700;
            font-size: 13px;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 12px;
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 20px;
        }

        .section-title {
            font-size: 34px;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1.35;
            position: relative;
            padding-bottom: 18px;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 48px;
            height: 3px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        .section-desc {
            margin-top: 16px;
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* 1. 首屏 Banner (#hero) */
        .hero-section {
            position: relative;
            padding: 100px 0 110px;
            background: linear-gradient(135deg, #FFF9F5 0%, #F5F7FA 100%);
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--secondary);
            margin-bottom: 22px;
            letter-spacing: -0.5px;
        }

        .hero-content h1 span {
            color: var(--primary);
            background: linear-gradient(135deg, var(--primary), #FF5400);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-intro {
            font-size: 17px;
            line-height: 1.85;
            color: #4A5568;
            margin-bottom: 34px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 18px;
            margin-bottom: 40px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-hover));
            color: var(--white);
            padding: 14px 34px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            box-shadow: 0 6px 20px rgba(232, 93, 4, 0.3);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(232, 93, 4, 0.4);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--secondary);
            padding: 14px 30px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            border: 2px solid #CBD5E1;
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: #FFF;
        }

        .hero-badges-row {
            display: flex;
            gap: 24px;
            padding-top: 24px;
            border-top: 1px solid rgba(0, 0, 0, 0.08);
        }

        .hero-badge-item {
            display: flex;
            flex-direction: column;
        }

        .hero-badge-value {
            font-size: 24px;
            font-weight: 800;
            color: var(--secondary);
        }

        .hero-badge-lbl {
            font-size: 13px;
            color: var(--text-muted);
        }

        .hero-media-wrapper {
            position: relative;
        }

        .hero-main-img {
            width: 100%;
            height: 480px;
            border-radius: var(--radius-lg);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
            object-fit: cover;
        }

        .hero-float-card {
            position: absolute;
            bottom: -24px;
            left: -24px;
            background: #FFF;
            padding: 18px 24px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-hover);
            border: 1px solid rgba(232, 93, 4, 0.15);
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .hero-float-status {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: #10B981;
            box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
        }

        /* 2. 技术与品牌概览 (#about) */
        .about-section {
            background-color: #FFFFFF;
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .about-img-box {
            position: relative;
        }

        .about-img-box img {
            width: 100%;
            height: 440px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
        }

        .about-cert-tag {
            position: absolute;
            top: 24px;
            right: 24px;
            background: rgba(26, 29, 32, 0.88);
            backdrop-filter: blur(8px);
            color: #FFF;
            padding: 10px 18px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 600;
            border-left: 3px solid var(--primary);
        }

        .about-content-box h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 20px;
            line-height: 1.35;
        }

        .about-desc-para {
            color: #4A5568;
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .cert-points-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .cert-points-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: #334155;
        }

        .cert-points-list li span.dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--primary);
            margin-top: 8px;
            flex-shrink: 0;
        }

        /* 3. 六大核心优势 (#advantages) */
        .advantages-section {
            background-color: var(--pearl-gray);
        }

        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .adv-card {
            background: #FFFFFF;
            padding: 36px 30px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .adv-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-hover));
            opacity: 0;
            transition: var(--transition);
        }

        .adv-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(232, 93, 4, 0.2);
        }

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

        .adv-icon-wrap {
            width: 54px;
            height: 54px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 22px;
        }

        .adv-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 12px;
        }

        .adv-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 4. 热门型号展示 (#products) */
        .products-section {
            background-color: #FFFFFF;
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .product-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .product-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .product-img-box {
            position: relative;
            background: #F8F9FA;
            padding: 30px 20px 10px;
            height: 280px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .product-img-box img {
            max-height: 240px;
            object-fit: contain;
            transition: var(--transition);
        }

        .product-card:hover .product-img-box img {
            transform: scale(1.05);
        }

        .product-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--secondary);
            color: #FFF;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 4px;
        }

        .product-badge.featured {
            background: var(--primary);
        }

        .product-content {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .product-name {
            font-size: 22px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 10px;
        }

        .product-brief {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .product-specs {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            background: #F8F9FA;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            margin-bottom: 24px;
        }

        .spec-item {
            font-size: 13px;
        }

        .spec-lbl {
            color: #8D99AE;
            margin-bottom: 2px;
        }

        .spec-val {
            font-weight: 700;
            color: var(--secondary);
        }

        .product-footer-btn {
            margin-top: auto;
            text-align: center;
            display: block;
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 11px 0;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 600;
            background: #FFF;
        }

        .product-footer-btn:hover {
            background: var(--primary);
            color: #FFF;
        }

        /* 5. 动线解决方案 (#solutions) */
        .solutions-section {
            background-color: var(--pearl-gray);
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .solution-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
        }

        .solution-img-holder {
            height: 220px;
            position: relative;
        }

        .solution-img-holder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .solution-body {
            padding: 32px;
        }

        .solution-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 12px;
        }

        .solution-desc {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .compare-box {
            border-top: 1px dashed var(--border-color);
            padding-top: 18px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .compare-row {
            display: flex;
            align-items: baseline;
            gap: 10px;
            font-size: 14px;
        }

        .compare-tag-bad {
            background: #FEE2E2;
            color: #DC2626;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
            font-size: 12px;
            flex-shrink: 0;
        }

        .compare-tag-good {
            background: #DCFCE7;
            color: #16A34A;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
            font-size: 12px;
            flex-shrink: 0;
        }

        /* 6. 深色智能中枢调度系统 (#technology) */
        .tech-section {
            background-color: var(--dark-bg);
            color: #FFF;
        }

        .tech-section .section-title {
            color: #FFF;
        }

        .tech-section .section-desc {
            color: #94A3B8;
        }

        .tech-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .tech-content h3 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.4;
            color: #FFF;
        }

        .tech-content p {
            color: #CBD5E1;
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .tech-features-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 30px;
        }

        .tech-feat-item {
            background: var(--dark-card);
            padding: 16px 20px;
            border-radius: 8px;
            border-left: 3px solid var(--primary);
        }

        .tech-feat-item h4 {
            font-size: 16px;
            color: #FFF;
            margin-bottom: 4px;
        }

        .tech-feat-item p {
            font-size: 14px;
            color: #94A3B8;
            margin-bottom: 0;
            line-height: 1.6;
        }

        .tech-img-box img {
            width: 100%;
            height: 440px;
            border-radius: var(--radius-md);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            border: 1px solid var(--border-dark);
        }

        /* 7. 用户故事案例 (#stories) */
        .stories-section {
            background-color: #FFFFFF;
        }

        .stories-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
        }

        .story-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .story-img {
            height: 240px;
            width: 100%;
            object-fit: cover;
        }

        .story-info {
            padding: 32px;
        }

        .story-meta {
            display: flex;
            gap: 12px;
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 12px;
        }

        .story-info h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .story-info p {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.75;
        }

        .story-data-row {
            display: flex;
            justify-content: space-between;
            padding-top: 18px;
            border-top: 1px solid var(--border-color);
        }

        .story-stat-val {
            font-size: 22px;
            font-weight: 800;
            color: var(--secondary);
        }

        .story-stat-lbl {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 8. 效能统计数据条 (#metrics) */
        .metrics-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #1A1D20 100%);
            padding: 64px 0;
            color: #FFF;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .metric-card {
            padding: 16px 20px;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
        }

        .metric-card:last-child {
            border-right: none;
        }

        .metric-num {
            font-size: 46px;
            font-weight: 900;
            color: #FFB703;
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .metric-title {
            font-size: 16px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 6px;
        }

        .metric-sub {
            font-size: 13px;
            color: #94A3B8;
        }

        /* 9. 客户评价墙 (#testimonials) */
        .testimonials-section {
            background-color: var(--pearl-gray);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .testimonial-card {
            background: #FFFFFF;
            padding: 32px 28px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .testi-stars {
            color: #F59E0B;
            font-size: 16px;
            margin-bottom: 16px;
        }

        .testi-quote {
            font-size: 15px;
            color: #334155;
            line-height: 1.8;
            margin-bottom: 24px;
            flex: 1;
        }

        .testi-user {
            display: flex;
            align-items: center;
            gap: 14px;
            border-top: 1px solid var(--border-color);
            padding-top: 18px;
        }

        .testi-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            object-fit: cover;
        }

        .testi-user-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--secondary);
        }

        .testi-user-role {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 10. 行业动态资讯 (#insights) */
        .insights-section {
            background-color: #FFFFFF;
        }

        .insights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .insight-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .insight-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .insight-img {
            height: 200px;
            width: 100%;
            object-fit: cover;
        }

        .insight-content {
            padding: 24px;
        }

        .insight-date {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
            display: inline-block;
        }

        .insight-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 12px;
            line-height: 1.45;
        }

        .insight-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .insight-btn {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* 11. FAQ 手风琴 (#faq) */
        .faq-section {
            background-color: var(--pearl-gray);
        }

        .faq-accordion {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: #FFFFFF;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 22px 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            font-size: 17px;
            font-weight: 600;
            color: var(--secondary);
        }

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

        .faq-icon {
            font-size: 20px;
            color: var(--primary);
            transition: transform 0.3s ease;
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease-out;
            padding: 0 28px;
        }

        .faq-item.active .faq-content {
            padding-bottom: 24px;
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        .faq-content p {
            font-size: 15px;
            color: #4A5568;
            line-height: 1.8;
            margin: 0;
        }

        /* 12. 方案预约转化区 (#cta) */
        .cta-section {
            background: linear-gradient(135deg, #1A1D20 0%, var(--secondary) 100%);
            color: #FFF;
        }

        .cta-box {
            max-width: 840px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            backdrop-filter: blur(10px);
            text-align: center;
        }

        .cta-title {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 16px;
            color: #FFFFFF;
        }

        .cta-subtitle {
            font-size: 16px;
            color: #CBD5E1;
            margin-bottom: 36px;
            line-height: 1.8;
        }

        .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr auto;
            gap: 14px;
            margin-bottom: 20px;
        }

        .cta-form input, .cta-form select {
            width: 100%;
            height: 52px;
            background: #FFFFFF;
            border: 1px solid #CBD5E1;
            border-radius: 6px;
            padding: 0 16px;
            font-size: 15px;
            color: var(--secondary);
            outline: none;
        }

        .cta-form input:focus, .cta-form select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 93, 4, 0.2);
        }

        .cta-submit-btn {
            height: 52px;
            padding: 0 32px;
            background: linear-gradient(135deg, var(--primary), var(--primary-hover));
            color: #FFF;
            font-weight: 700;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 15px;
            box-shadow: 0 6px 16px rgba(232, 93, 4, 0.35);
            white-space: nowrap;
        }

        .cta-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 93, 4, 0.5);
        }

        .cta-guarantee {
            font-size: 13px;
            color: #94A3B8;
        }

        /* 全局页脚 (#footer) */
        .site-footer {
            background-color: #121416;
            color: #94A3B8;
            font-size: 14px;
            padding-top: 72px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 56px;
        }

        .footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand span {
            color: var(--primary);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #8D99AE;
            margin-bottom: 20px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background-color: var(--primary);
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-contact-info {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-bottom {
            background-color: #0B0D0E;
            padding: 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 13px;
            text-align: center;
        }

        .footer-bottom-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* 响应式断点适配 */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-media-wrapper {
                max-width: 600px;
                margin: 0 auto;
            }
            .about-grid, .tech-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .advantages-grid, .products-grid, .testimonials-grid, .insights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .metric-card {
                border-right: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .cta-form {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .nav-links, .nav-cta-btn {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .nav-links.active {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: #FFFFFF;
                padding: 24px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
                gap: 18px;
            }
            .section-padding {
                padding: 64px 0;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .section-title {
                font-size: 26px;
            }
            .advantages-grid, .products-grid, .solutions-grid, .stories-grid, .testimonials-grid, .insights-grid {
                grid-template-columns: 1fr;
            }
            .cta-form {
                grid-template-columns: 1fr;
            }
            .cta-box {
                padding: 36px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-float-card {
                left: 10px;
                bottom: 10px;
            }
        }

        @media (max-width: 375px) {
            .container {
                padding: 0 16px;
            }
            .hero-content h1 {
                font-size: 26px;
            }
            .btn-primary, .btn-outline {
                width: 100%;
                padding: 12px 18px;
                font-size: 14px;
            }
            .hero-badges-row {
                flex-direction: column;
                gap: 16px;
            }
        }