/* roulang page: index */
:root {
      --primary: #00E599;
      --primary-dark: #05D584;
      --primary-glow: rgba(0, 229, 153, 0.25);
      --bg-dark: #0B0E14;
      --bg-card-dark: #121824;
      --bg-light: #F7F9FB;
      --bg-white: #FFFFFF;
      --text-dark: #111827;
      --text-gray: #4B5563;
      --text-muted: #8E9BAE;
      --border-light: #E5E7EB;
      --border-dark: #1E293B;
      --accent-orange: #FF6B35;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
      --shadow-glow: 0 10px 30px -5px rgba(0, 229, 153, 0.2);
      --transition: all 0.28s ease-in-out;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-dark);
      background-color: var(--bg-light);
      line-height: 1.6;
    }
    body {
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button, input, select, textarea {
      font-family: inherit;
    }
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    /* 顶部顶栏 */
    .topbar {
      background: #0D121B;
      color: #9CA3AF;
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .topbar-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .topbar-left, .topbar-right {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .topbar-badge {
      background: rgba(0, 229, 153, 0.15);
      color: var(--primary);
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 11px;
      font-weight: 600;
    }
    /* 主导航 */
    .navbar {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(0, 0, 0, 0.06);
      transition: var(--transition);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 800;
      color: #0F141C;
      letter-spacing: -0.5px;
    }
    .brand-logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, #00E599 0%, #05A868 100%);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #0F141C;
      font-weight: 900;
      box-shadow: 0 4px 12px rgba(0, 229, 153, 0.35);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-gray);
    }
    .nav-link:hover {
      color: #05A868;
    }
    .nav-btn {
      background: #0F141C;
      color: var(--primary);
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
      border: 1px solid rgba(0, 229, 153, 0.3);
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .nav-btn:hover {
      background: var(--primary);
      color: #0F141C;
      box-shadow: var(--shadow-glow);
    }
    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--text-dark);
      cursor: pointer;
    }
    /* 公共板块修饰 */
    .section-spacing {
      padding: 96px 0;
    }
    .section-spacing-sm {
      padding: 64px 0;
    }
    .section-head {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 56px auto;
    }
    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      color: #05A868;
      background: rgba(0, 229, 153, 0.12);
      padding: 6px 14px;
      border-radius: 30px;
      margin-bottom: 16px;
    }
    .section-title {
      font-size: 34px;
      font-weight: 800;
      color: var(--text-dark);
      line-height: 1.3;
      margin-bottom: 18px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-gray);
      line-height: 1.7;
    }
    /* 1. Hero 优惠券与试用墙入口 */
    .hero-section {
      background: radial-gradient(circle at 80% 20%, rgba(0, 229, 153, 0.08) 0%, rgba(247, 249, 251, 1) 70%),
                  linear-gradient(180deg, #FFFFFF 0%, #F3F5F9 100%);
      padding: 72px 0 88px 0;
      border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-h1 {
      font-size: 44px;
      font-weight: 900;
      color: #0F141C;
      line-height: 1.22;
      letter-spacing: -0.8px;
      margin-bottom: 20px;
    }
    .hero-intro {
      font-size: 16px;
      color: #4B5563;
      line-height: 1.8;
      margin-bottom: 32px;
    }
    .hero-coupon-wall {
      background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
      border-radius: var(--radius-lg);
      padding: 32px;
      border: 1px solid rgba(0, 229, 153, 0.3);
      box-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.25);
      position: relative;
      overflow: hidden;
    }
    .hero-coupon-wall::before {
      content: "";
      position: absolute;
      top: -50px;
      right: -50px;
      width: 140px;
      height: 140px;
      background: radial-gradient(circle, rgba(0, 229, 153, 0.25) 0%, transparent 70%);
    }
    .coupon-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 20px;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.15);
      padding-bottom: 16px;
    }
    .coupon-title {
      color: #FFFFFF;
      font-size: 20px;
      font-weight: 700;
    }
    .coupon-val {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
    }
    .coupon-benefits {
      list-style: none;
      display: grid;
      gap: 12px;
      margin-bottom: 28px;
    }
    .coupon-item {
      color: #CBD5E1;
      font-size: 14px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .coupon-item-dot {
      width: 6px;
      height: 6px;
      background: var(--primary);
      border-radius: 50%;
    }
    .btn-claim {
      width: 100%;
      background: var(--primary);
      color: #0F141C;
      border: none;
      padding: 16px 24px;
      font-size: 16px;
      font-weight: 700;
      border-radius: var(--radius-sm);
      cursor: pointer;
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 8px;
      box-shadow: var(--shadow-glow);
    }
    .btn-claim:hover {
      background: #00FFAC;
      transform: translateY(-2px);
    }
    .hero-badges {
      display: flex;
      gap: 20px;
      margin-top: 24px;
      flex-wrap: wrap;
    }
    .hero-badge-pill {
      font-size: 13px;
      color: #64748B;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .hero-badge-pill span {
      color: #05A868;
      font-weight: bold;
    }
    /* 2. 全球与全域覆盖架构 */
    .arch-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .arch-card-wrap {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-md);
    }
    .arch-card-wrap img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .arch-overlay {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      background: linear-gradient(180deg, transparent 0%, rgba(15, 20, 28, 0.92) 100%);
      padding: 24px;
      color: #FFFFFF;
    }
    .arch-specs-list {
      list-style: none;
      display: grid;
      gap: 18px;
    }
    .arch-spec-item {
      background: #FFFFFF;
      padding: 18px 22px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      display: flex;
      gap: 16px;
      transition: var(--transition);
    }
    .arch-spec-item:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
      transform: translateX(4px);
    }
    .arch-spec-icon {
      font-size: 20px;
      color: #05A868;
      font-weight: 800;
    }
    /* 3. 核心卖点三连网格 */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .feature-card {
      background: #FFFFFF;
      padding: 32px 28px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .feature-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-glow);
      border-color: var(--primary);
    }
    .feature-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: rgba(0, 229, 153, 0.12);
      color: #05A868;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 22px;
      font-weight: 800;
    }
    .feature-title {
      font-size: 19px;
      font-weight: 700;
      color: #0F141C;
      margin-bottom: 12px;
    }
    .feature-desc {
      font-size: 14.5px;
      color: var(--text-gray);
      line-height: 1.7;
    }
    /* 4. 套件方案矩阵 */
    .suites-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .suite-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      padding: 36px 30px;
      position: relative;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .suite-card.highlight {
      border: 2px solid var(--primary);
      box-shadow: 0 16px 35px -8px rgba(0, 229, 153, 0.28);
      transform: scale(1.02);
    }
    .suite-badge {
      position: absolute;
      top: -14px;
      right: 28px;
      background: #0F141C;
      color: var(--primary);
      font-size: 12px;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 20px;
      border: 1px solid var(--primary);
    }
    .suite-title {
      font-size: 22px;
      font-weight: 800;
      margin-bottom: 8px;
    }
    .suite-tagline {
      font-size: 13.5px;
      color: var(--text-muted);
      margin-bottom: 24px;
    }
    .suite-specs {
      list-style: none;
      margin-bottom: 32px;
      display: grid;
      gap: 14px;
      flex-grow: 1;
    }
    .suite-spec-line {
      font-size: 14px;
      color: var(--text-gray);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .suite-btn {
      width: 100%;
      text-align: center;
      padding: 13px 0;
      border-radius: var(--radius-sm);
      font-size: 14.5px;
      font-weight: 700;
      border: 1px solid #0F141C;
      background: transparent;
      color: #0F141C;
      cursor: pointer;
    }
    .suite-card.highlight .suite-btn {
      background: #0F141C;
      color: var(--primary);
      border-color: #0F141C;
    }
    .suite-card.highlight .suite-btn:hover {
      background: var(--primary);
      color: #0F141C;
    }
    /* 5. 竞技场景演练 Tab */
    .scenario-tabs {
      display: flex;
      justify-content: center;
      gap: 12px;
      margin-bottom: 40px;
      flex-wrap: wrap;
    }
    .scenario-tab-btn {
      padding: 12px 28px;
      font-size: 15px;
      font-weight: 600;
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: 40px;
      cursor: pointer;
      color: var(--text-gray);
      transition: var(--transition);
    }
    .scenario-tab-btn.active {
      background: #0F141C;
      color: var(--primary);
      border-color: #0F141C;
    }
    .scenario-content-panel {
      display: none;
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }
    .scenario-content-panel.active {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }
    .scenario-img-holder {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-light);
    }
    .scenario-img-holder img {
      width: 100%;
      height: 340px;
      object-fit: cover;
    }
    /* 6. 深色沉浸式案例与数据分析理念 */
    .immersive-dark-section {
      background: #0B0E14;
      color: #FFFFFF;
      position: relative;
      overflow: hidden;
    }
    .immersive-dark-section .section-title {
      color: #FFFFFF;
    }
    .immersive-dark-section .section-desc {
      color: #94A3B8;
    }
    .dark-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .dark-img-box {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.12);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    }
    .dark-img-box img {
      width: 100%;
      height: 400px;
      object-fit: cover;
    }
    .concept-item {
      margin-bottom: 24px;
      padding-left: 20px;
      border-left: 3px solid var(--primary);
    }
    .concept-item h4 {
      font-size: 18px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 6px;
    }
    .concept-item p {
      font-size: 14.5px;
      color: #94A3B8;
      line-height: 1.7;
    }
    /* 7. 关键量化数据指标条 */
    .metrics-bar {
      background: linear-gradient(90deg, #0D131F 0%, #151F32 100%);
      padding: 48px 0;
      border-top: 1px solid rgba(0, 229, 153, 0.2);
      border-bottom: 1px solid rgba(0, 229, 153, 0.2);
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .metric-num {
      font-size: 42px;
      font-weight: 900;
      color: var(--primary);
      letter-spacing: -1px;
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .metric-label {
      color: #E2E8F0;
      font-size: 14px;
      font-weight: 600;
    }
    /* 8. 用户故事与实战效能 */
    .story-card-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
      margin-bottom: 56px;
      background: #FFFFFF;
      padding: 32px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
    }
    .story-card-row.reverse {
      grid-template-columns: 1fr 1fr;
      direction: rtl;
    }
    .story-card-row.reverse .story-text {
      direction: ltr;
    }
    .story-img-box {
      border-radius: var(--radius-md);
      overflow: hidden;
    }
    .story-img-box img {
      width: 100%;
      height: 280px;
      object-fit: cover;
    }
    .story-text h3 {
      font-size: 22px;
      font-weight: 800;
      color: #0F141C;
      margin-bottom: 12px;
    }
    .story-text p {
      font-size: 15px;
      color: var(--text-gray);
      line-height: 1.75;
      margin-bottom: 16px;
    }
    .story-tag {
      display: inline-block;
      font-size: 12px;
      background: #EFF6FF;
      color: #2563EB;
      padding: 4px 10px;
      border-radius: 4px;
      font-weight: 600;
    }
    /* 9. 竞品能力差异对比 */
    .compare-table-wrapper {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th {
      background: #0F141C;
      color: #FFFFFF;
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 700;
    }
    .compare-table th.primary-col {
      background: #152232;
      color: var(--primary);
      border-left: 2px solid var(--primary);
    }
    .compare-table td {
      padding: 18px 24px;
      font-size: 14.5px;
      color: var(--text-gray);
      border-bottom: 1px solid var(--border-light);
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .compare-table td.primary-col {
      background: rgba(0, 229, 153, 0.03);
      font-weight: 600;
      color: #0F141C;
      border-left: 2px solid var(--primary);
    }
    .tag-better {
      color: #05A868;
      font-weight: 700;
    }
    /* 10. 口碑与评价墙 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testimonial-card {
      background: #FFFFFF;
      padding: 32px 28px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .stars-line {
      color: #F59E0B;
      font-size: 18px;
      margin-bottom: 16px;
    }
    .quote-text {
      font-size: 15px;
      color: var(--text-gray);
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .author-info {
      display: flex;
      align-items: center;
      gap: 14px;
}
    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #334155;
    }
    .author-name {
      font-size: 15px;
      font-weight: 700;
      color: #0F141C;
    }
    .author-role {
      font-size: 13px;
      color: var(--text-muted);
    }
    /* 11. 体育科研与资讯摘要 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-light);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .news-img-box img {
      width: 100%;
      height: 200px;
      object-fit: cover;
    }
    .news-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-date {
      font-size: 12.5px;
      color: var(--text-muted);
      margin-bottom: 10px;
    }
    .news-heading {
      font-size: 17px;
      font-weight: 700;
      color: #0F141C;
      line-height: 1.4;
      margin-bottom: 12px;
    }
    .news-summary {
      font-size: 14px;
      color: var(--text-gray);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .news-link {
      font-size: 14px;
      font-weight: 700;
      color: #05A868;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    /* 12. FAQ 手风琴 */
    .faq-accordion {
      max-width: 860px;
      margin: 0 auto;
      display: grid;
      gap: 16px;
    }
    .faq-item {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item.active {
      border-color: var(--primary);
    }
    .faq-header {
      padding: 20px 24px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 16px;
      font-weight: 700;
      color: #0F141C;
    }
    .faq-icon {
      font-size: 20px;
      transition: transform 0.25s ease;
      color: #05A868;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      padding: 0 24px;
      color: var(--text-gray);
      font-size: 14.5px;
      line-height: 1.75;
    }
    .faq-item.active .faq-content {
      max-height: 300px;
      padding-bottom: 22px;
      transition: max-height 0.3s ease-in-out;
    }
    /* 13. 试用表单与服务保障 */
    .apply-card-container {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1fr 1fr;
      overflow: hidden;
    }
    .apply-info-side {
      background: #0F141C;
      color: #FFFFFF;
      padding: 48px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .apply-info-side h3 {
      font-size: 26px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 16px;
    }
    .apply-info-side p {
      font-size: 15px;
      color: #94A3B8;
      line-height: 1.7;
      margin-bottom: 32px;
    }
    .promise-list {
      list-style: none;
      display: grid;
      gap: 16px;
    }
    .promise-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 14.5px;
      color: #E2E8F0;
    }
    .promise-icon {
      color: var(--primary);
      font-weight: bold;
    }
    .apply-form-side {
      padding: 48px;
    }
    .form-group {
      margin-bottom: 20px;
    }
    .form-label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      color: #1F2937;
      margin-bottom: 8px;
    }
    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      font-size: 14.5px;
      background: #F9FAFB;
      transition: var(--transition);
    }
    .form-control:focus {
      outline: none;
      border-color: var(--primary-dark);
      background: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(0, 229, 153, 0.2);
    }
    .btn-submit {
      width: 100%;
      padding: 14px;
      background: #0F141C;
      color: var(--primary);
      border: 1px solid var(--primary);
      border-radius: var(--radius-sm);
      font-size: 16px;
      font-weight: 700;
      cursor: pointer;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .btn-submit:hover {
      background: var(--primary);
      color: #0F141C;
      box-shadow: var(--shadow-glow);
    }
    /* 页脚 */
    .site-footer {
      background: #080B10;
      color: #64748B;
      padding: 72px 0 32px 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 1fr;
      gap: 40px;
      margin-bottom: 56px;
    }
    .footer-brand-title {
      font-size: 20px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 16px;
    }
    .footer-desc {
      font-size: 13.5px;
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .footer-heading {
      font-size: 15px;
      font-weight: 700;
      color: #E2E8F0;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
      display: grid;
      gap: 12px;
    }
    .footer-links a:hover {
      color: var(--primary);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
    }
    /* 底部固定转化浮条 */
    .fixed-conversion-bar {
      position: fixed;
      bottom: -100px;
      left: 0;
      right: 0;
      z-index: 99;
      background: rgba(15, 20, 28, 0.95);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border-top: 1px solid rgba(0, 229, 153, 0.3);
      padding: 14px 0;
      transition: bottom 0.35s ease;
      box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    }
    .fixed-conversion-bar.visible {
      bottom: 0;
    }
    .conversion-bar-wrap {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .conversion-text {
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 600;
    }
    .conversion-text span {
      color: var(--primary);
    }
    .conversion-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .conversion-btn {
      background: var(--primary);
      color: #0F141C;
      font-size: 14px;
      font-weight: 700;
      padding: 8px 20px;
      border-radius: var(--radius-sm);
      border: none;
      cursor: pointer;
    }
    .conversion-tel {
      color: #E2E8F0;
      font-size: 14px;
      font-weight: 600;
    }
    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid, .arch-grid, .dark-grid, .scenario-content-panel.active, .apply-card-container {
        grid-template-columns: 1fr;
      }
      .feature-grid, .suites-grid, .testimonials-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .topbar {
        display: none;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--border-light);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .hero-h1 {
        font-size: 32px;
      }
      .section-title {
        font-size: 26px;
      }
      .feature-grid, .suites-grid, .testimonials-grid, .news-grid, .story-card-row, .story-card-row.reverse {
        grid-template-columns: 1fr;
      }
      .story-card-row.reverse {
        direction: ltr;
      }
      .metrics-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .conversion-text {
        display: none;
      }
    }