/* roulang page: index */
:root {
      --primary: #0F52BA;
      --primary-hover: #0d449b;
      --secondary: #00A86B;
      --accent: #F59E0B;
      --dark-surface: #0B132B;
      --dark-card: #1C2541;
      --bg: #F8FAFC;
      --bg-alt: #FFFFFF;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 14px;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 6px 20px -2px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.12);
      --transition: cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
      --container-max: 1240px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg);
      color: var(--text-body);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

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

    /* 顶部细栏 */
    .top-bar {
      background-color: #070F22;
      color: #94A3B8;
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-bar-info span {
      margin-right: 24px;
    }
    .top-bar-info i {
      color: var(--secondary);
      margin-right: 6px;
    }

    /* 主导航 */
    .main-header {
      position: sticky;
      top: 0;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      box-shadow: var(--shadow-sm);
      z-index: 1000;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 22px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }
    .brand-logo-icon {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--primary), #3B82F6);
      color: #FFF;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      box-shadow: 0 4px 10px rgba(15, 82, 186, 0.3);
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-main);
      padding: 8px 0;
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--primary);
      transition: width var(--transition);
    }
    .nav-link:hover::after, .nav-link.active::after {
      width: 100%;
    }
    .header-action .btn-primary {
      padding: 10px 22px;
      font-size: 14px;
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 22px;
      color: var(--text-main);
      cursor: pointer;
    }

    /* 按钮通用 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all var(--transition);
      border: 1px solid transparent;
      text-decoration: none;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #FFF;
      box-shadow: 0 4px 12px rgba(15, 82, 186, 0.25);
    }
    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(15, 82, 186, 0.35);
      color: #FFF;
    }
    .btn-outline {
      background-color: transparent;
      color: #FFF;
      border-color: rgba(255, 255, 255, 0.3);
    }
    .btn-outline:hover {
      background-color: rgba(255, 255, 255, 0.1);
      border-color: #FFF;
      color: #FFF;
    }
    .btn-outline-dark {
      background-color: #FFF;
      color: var(--text-main);
      border-color: var(--border-color);
    }
    .btn-outline-dark:hover {
      border-color: var(--primary);
      color: var(--primary);
    }

    /* 板块通用 */
    .section-wrap {
      padding: 90px 0;
      position: relative;
    }
    .bg-white {
      background-color: #FFFFFF;
    }
    .bg-slate {
      background-color: #F1F5F9;
    }
    .bg-dark {
      background-color: var(--dark-surface);
      color: #FFF;
    }
    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px auto;
    }
    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background-color: rgba(15, 82, 186, 0.08);
      color: var(--primary);
      border-radius: 30px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }
    .section-badge-dark {
      background-color: rgba(255, 255, 255, 0.1);
      color: #38BDF8;
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.3;
    }
    .bg-dark .section-title {
      color: #FFF;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .bg-dark .section-desc {
      color: #94A3B8;
    }

    /* 1. Hero 开发者与数字化控制台风格 */
    .hero-section {
      background: linear-gradient(135deg, #070F22 0%, #0F1E36 100%), url('/assets/images/a3013a4afb5aee29.webp') center/cover no-repeat;
      background-blend-mode: overlay;
      color: #FFF;
      padding: 100px 0 110px 0;
      position: relative;
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 50px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 22px;
      letter-spacing: -0.5px;
    }
    .hero-content h1 span {
      background: linear-gradient(90deg, #38BDF8, #818CF8);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-lead {
      font-size: 17px;
      color: #CBD5E1;
      line-height: 1.8;
      margin-bottom: 36px;
      text-align: justify;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      margin-bottom: 40px;
    }
    .hero-actions .btn {
      padding: 14px 30px;
      font-size: 16px;
    }
    .hero-meta-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding-top: 24px;
    }
    .hero-meta-item .num {
      font-size: 22px;
      font-weight: 700;
      color: #38BDF8;
      display: block;
      font-family: monospace;
    }
    .hero-meta-item .label {
      font-size: 13px;
      color: #94A3B8;
    }

    /* 代码与控制台视窗 */
    .console-mockup {
      background-color: #030712;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.15);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
      overflow: hidden;
      font-family: "Fira Code", Consolas, Monaco, monospace;
    }
    .console-header {
      background: #111827;
      padding: 12px 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .console-dots {
      display: flex;
      gap: 6px;
    }
    .console-dot {
      width: 11px;
      height: 11px;
      border-radius: 50%;
    }
    .dot-red { background: #EF4444; }
    .dot-yellow { background: #F59E0B; }
    .dot-green { background: #10B981; }
    .console-title {
      font-size: 12px;
      color: #9CA3AF;
    }
    .console-body {
      padding: 20px;
      font-size: 13px;
      line-height: 1.7;
      color: #E5E7EB;
      overflow-x: auto;
    }
    .code-comment { color: #6B7280; }
    .code-keyword { color: #F43F5E; }
    .code-fn { color: #38BDF8; }
    .code-str { color: #34D399; }
    .code-prop { color: #FBBF24; }

    /* 2. 资料目录 / 技术架构 */
    .arch-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .arch-card-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .arch-card-item {
      display: flex;
      gap: 18px;
      background: #FFF;
      padding: 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition);
    }
    .arch-card-item:hover {
      transform: translateX(6px);
      border-color: var(--primary);
    }
    .arch-icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: rgba(15, 82, 186, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      flex-shrink: 0;
    }
    .arch-content h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .arch-content p {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.6;
    }
    .arch-img-wrap {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      position: relative;
    }

    /* 3. 核心优势矩阵 (3x2) */
    .advantage-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .adv-card {
      background: #FFF;
      padding: 32px 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all var(--transition);
      position: relative;
      overflow: hidden;
    }
    .adv-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }
    .adv-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: linear-gradient(90deg, var(--primary), #38BDF8);
      opacity: 0;
      transition: opacity var(--transition);
    }
    .adv-card:hover::before {
      opacity: 1;
    }
    .adv-icon-box {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-sm);
      background: #EFF6FF;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
    }
    .adv-card h3 {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .adv-card p {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.65;
    }

    /* 4. 热门功能模块 / 产品矩阵 (3卡片横向) */
    .module-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .module-card {
      background: #FFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: transform var(--transition), box-shadow var(--transition);
    }
    .module-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }
    .module-img {
      height: 190px;
      overflow: hidden;
    }
    .module-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .module-card:hover .module-img img {
      transform: scale(1.05);
    }
    .module-body {
      padding: 28px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .module-body h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .module-desc {
      font-size: 14px;
      color: var(--text-body);
      margin-bottom: 20px;
      line-height: 1.65;
    }
    .module-features {
      list-style: none;
      margin-bottom: 24px;
      border-top: 1px dashed var(--border-color);
      padding-top: 16px;
      flex: 1;
    }
    .module-features li {
      font-size: 13px;
      color: var(--text-body);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .module-features li i {
      color: var(--secondary);
      font-size: 14px;
    }

    /* 5. 深色对比理念区 */
    .dark-compare-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }
    .compare-card {
      padding: 36px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .compare-card-bad {
      background: rgba(239, 68, 68, 0.05);
      border-color: rgba(239, 68, 68, 0.2);
    }
    .compare-card-good {
      background: var(--dark-card);
      border-color: rgba(56, 189, 248, 0.3);
      position: relative;
    }
    .compare-tag {
      display: inline-block;
      padding: 4px 12px;
      font-size: 12px;
      font-weight: 700;
      border-radius: 4px;
      margin-bottom: 16px;
    }
    .tag-bad { background: rgba(239, 68, 68, 0.2); color: #FCA5A5; }
    .tag-good { background: rgba(56, 189, 248, 0.2); color: #38BDF8; }
    .compare-card h3 {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .compare-card-bad h3 { color: #F87171; }
    .compare-card-good h3 { color: #FFF; }
    .compare-list {
      list-style: none;
    }
    .compare-list li {
      font-size: 14px;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      align-items: flex-start;
      gap: 12px;
      line-height: 1.6;
    }
    .compare-card-bad .compare-list li { color: #CBD5E1; }
    .compare-card-good .compare-list li { color: #F1F5F9; }
    .compare-list li i {
      margin-top: 3px;
    }
    .compare-card-bad li i { color: #EF4444; }
    .compare-card-good li i { color: var(--secondary); }

    /* 6. 业务方案流程时间轴 (4步) */
    .step-timeline-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-timeline-grid::before {
      content: '';
      position: absolute;
      top: 35px;
      left: 10%;
      right: 10%;
      height: 2px;
      background: #CBD5E1;
      z-index: 1;
    }
    .step-card {
      position: relative;
      z-index: 2;
      text-align: center;
      background: #FFF;
      padding: 30px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .step-badge {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--primary);
      color: #FFF;
      font-size: 18px;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 18px auto;
      box-shadow: 0 0 0 6px #EFF6FF;
    }
    .step-card h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .step-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 7. 关键数据统计条 (Counter条带) */
    .stat-counter-wrap {
      background: linear-gradient(135deg, #0F52BA, #1E40AF);
      color: #FFF;
      padding: 50px 0;
    }
    .stat-counter-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }
    .stat-item .stat-num {
      font-size: 42px;
      font-weight: 800;
      font-family: Consolas, monospace;
      color: #FFF;
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .stat-item .stat-num span {
      color: #38BDF8;
      font-size: 28px;
    }
    .stat-item .stat-title {
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 4px;
      color: #F8FAFC;
    }
    .stat-item .stat-desc {
      font-size: 12px;
      color: #BFDBFE;
    }

    /* 8. 行业解决方案 (4列卡片) */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .industry-card {
      background: #FFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 26px;
      transition: all var(--transition);
    }
    .industry-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .ind-header {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }
    .ind-icon {
      width: 44px;
      height: 44px;
      background: #EFF6FF;
      color: var(--primary);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
    }
    .ind-header h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
    }
    .industry-card p {
      font-size: 13px;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 16px;
    }
    .ind-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }
    .ind-tag {
      background: #F1F5F9;
      color: #475569;
      font-size: 11px;
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 9. 客户口碑与评价 */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .review-card {
      background: #FFF;
      border-radius: var(--radius-md);
      padding: 32px 26px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-stars {
      color: var(--accent);
      font-size: 14px;
      margin-bottom: 16px;
    }
    .review-quote {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 24px;
      font-style: normal;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
    }
    .reviewer-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-weight: 700;
      font-size: 15px;
    }
    .reviewer-info h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }
    .reviewer-info p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 10. 资讯与采购指南 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #FFF;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all var(--transition);
      display: flex;
      flex-direction: column;
    }
    .news-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }
    .news-img {
      height: 180px;
      overflow: hidden;
    }
    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .news-body h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-body p {
      font-size: 13px;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 16px;
      flex: 1;
    }
    .news-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 11. FAQ 手风琴 */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      transition: border-color var(--transition);
    }
    .faq-item.active {
      border-color: var(--primary);
    }
    .faq-question {
      padding: 20px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-main);
      user-select: none;
    }
    .faq-question i {
      transition: transform var(--transition);
      color: var(--primary);
      font-size: 14px;
    }
    .faq-item.active .faq-question i {
      transform: rotate(180deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
      background: #F8FAFC;
    }
    .faq-answer-inner {
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* 12. 安全合规徽章条 */
    .trust-badge-wrap {
      background: #FFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 40px 0;
    }
    .trust-badge-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      text-align: center;
    }
    .trust-item {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 14px;
    }
    .trust-item i {
      font-size: 32px;
      color: var(--primary);
    }
    .trust-text {
      text-align: left;
    }
    .trust-text h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }
    .trust-text p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 13. 底部强转化 CTA 表单区 */
    .cta-section {
      background: linear-gradient(135deg, #070F22 0%, #0F1E36 100%);
      color: #FFF;
      padding: 80px 0;
    }
    .cta-card-box {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 50px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .cta-info h2 {
      font-size: 30px;
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .cta-info p {
      font-size: 15px;
      color: #CBD5E1;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .cta-perks {
      list-style: none;
    }
    .cta-perks li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: #94A3B8;
      margin-bottom: 10px;
    }
    .cta-perks li i {
      color: var(--secondary);
    }
    .cta-form {
      background: #FFF;
      padding: 34px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
    }
    .cta-form h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 20px;
      text-align: center;
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      height: 42px;
      padding: 8px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      outline: none;
      transition: border-color var(--transition);
    }
    .form-control:focus {
      border-color: var(--primary);
    }
    .form-btn {
      width: 100%;
      height: 46px;
      font-size: 15px;
      margin-top: 8px;
    }

    /* 全局页脚 */
    .site-footer {
      background-color: #050B17;
      color: #94A3B8;
      padding: 70px 0 30px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-col h4 {
      color: #FFF;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-desc {
      line-height: 1.7;
      margin-top: 16px;
      font-size: 13px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: #94A3B8;
    }
    .footer-links a:hover {
      color: #FFF;
      padding-left: 4px;
    }
    .footer-contact li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin-bottom: 14px;
      font-size: 13px;
    }
    .footer-contact i {
      color: var(--primary);
      margin-top: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
    }

    /* 移动端抽屉遮罩与菜单 */
    .mobile-drawer {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(15, 23, 42, 0.8);
      backdrop-filter: blur(8px);
      z-index: 2000;
      display: none;
      flex-direction: column;
      justify-content: center;
      align-items: center;
    }
    .mobile-drawer.show {
      display: flex;
    }
    .mobile-drawer-nav {
      list-style: none;
      text-align: center;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .mobile-drawer-nav a {
      color: #FFF;
      font-size: 20px;
      font-weight: 600;
    }
    .mobile-close-btn {
      position: absolute;
      top: 24px;
      right: 24px;
      background: none;
      border: none;
      color: #FFF;
      font-size: 28px;
      cursor: pointer;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid, .arch-grid, .dark-compare-grid, .cta-card-box {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .module-grid, .advantage-grid, .review-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .industry-grid, .stat-counter-grid, .trust-badge-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
      }
      .step-timeline-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .step-timeline-grid::before {
        display: none;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .nav-menu, .header-action {
        display: none;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .hero-content h1 {
        font-size: 30px;
      }
      .module-grid, .advantage-grid, .review-grid, .news-grid, .industry-grid, .stat-counter-grid, .step-timeline-grid, .trust-badge-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .cta-card-box {
        padding: 24px;
      }
      .cta-form {
        padding: 20px;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }