/* roulang page: index */
:root {
      --primary: #00E676;
      --primary-hover: #00c853;
      --primary-glow: rgba(0, 230, 118, 0.28);
      --bg-dark: #0F1916;
      --bg-card: #141E1B;
      --bg-card-alt: #182622;
      --bg-overlay: rgba(15, 25, 22, 0.94);
      --accent-orange: #FF6D00;
      --accent-red: #FF3D00;
      --text-main: #FFFFFF;
      --text-muted: #8E9E98;
      --text-sub: #BAC7C1;
      --border-light: rgba(255, 255, 255, 0.08);
      --border-accent: rgba(0, 230, 118, 0.35);
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --shadow-sm: 0 4px 12px rgba(0,0,0,0.3);
      --shadow-glow: 0 0 20px rgba(0, 230, 118, 0.15);
      --container-max: 1240px;
    }

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

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

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

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

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

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

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 32px;
    }

    /* 顶部双行导航 */
    .top-utility-bar {
      background: #09100E;
      font-size: 13px;
      color: var(--text-muted);
      border-bottom: 1px solid var(--border-light);
      padding: 6px 0;
    }
    .top-utility-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #A0B2AC;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 8px var(--primary);
    }
    .top-links {
      display: flex;
      gap: 20px;
    }
    .top-links a:hover {
      color: var(--primary);
    }

    .main-nav-bar {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(15, 25, 22, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-light);
      transition: all 0.3s ease;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }
    .site-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 21px;
      color: #FFF;
      letter-spacing: -0.5px;
    }
    .brand-icon {
      width: 32px;
      height: 32px;
      background: linear-gradient(135deg, var(--primary) 0%, #00B0FF 100%);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #000;
      font-weight: 900;
      font-size: 18px;
    }
    .nav-links {
      display: flex;
      list-style: none;
      gap: 32px;
    }
    .nav-links li a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-sub);
      position: relative;
      padding: 6px 0;
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
    }
    .nav-links li a::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: width 0.25s ease;
    }
    .nav-links li a:hover::after,
    .nav-links li a.active::after {
      width: 100%;
    }
    .nav-cta-btn {
      background: var(--primary);
      color: #051A12;
      font-weight: 700;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      box-shadow: 0 2px 10px rgba(0, 230, 118, 0.25);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .nav-cta-btn:hover {
      background: #FFF;
      color: #000;
      box-shadow: 0 0 16px rgba(255, 255, 255, 0.4);
    }

    /* 移动端菜单开关 */
    .mobile-menu-toggle {
      display: none;
      background: transparent;
      color: var(--text-main);
      font-size: 24px;
      cursor: pointer;
    }

    /* 通用Section布局 */
    section {
      padding: 96px 0;
      position: relative;
    }
    .section-alt {
      background-color: #0B1311;
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }
    .section-header {
      margin-bottom: 48px;
    }
    .section-header.text-center {
      text-align: center;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--primary);
      background: rgba(0, 230, 118, 0.1);
      border: 1px solid rgba(0, 230, 118, 0.2);
      padding: 4px 12px;
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 16px;
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 按钮通用 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 13px 26px;
      font-size: 15px;
      font-weight: 700;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all 0.25s ease;
      gap: 8px;
    }
    .btn-primary {
      background: var(--primary);
      color: #061811;
      box-shadow: 0 4px 16px rgba(0, 230, 118, 0.3);
    }
    .btn-primary:hover {
      background: #FFF;
      color: #000;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 230, 118, 0.4);
    }
    .btn-outline {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-light);
      color: #FFF;
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: rgba(255, 255, 255, 0.3);
      transform: translateY(-2px);
    }

    /* 1. 首屏Hero区 (促销主视觉+角标+限时算力) */
    .hero-section {
      padding: 80px 0 100px;
      background: linear-gradient(180deg, rgba(15, 25, 22, 0.8) 0%, rgba(11, 19, 17, 1) 100%), url('/assets/images/体育直播系统搭建_关键数据接入指南---百度智能云千帆社区.jpg') center/cover no-repeat;
      position: relative;
      border-bottom: 1px solid var(--border-light);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-badge-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 20px;
    }
    .blast-badge {
      background: var(--accent-orange);
      color: #FFF;
      font-size: 11px;
      font-weight: 800;
      padding: 3px 8px;
      border-radius: var(--radius-sm);
      text-transform: uppercase;
      box-shadow: 0 0 10px rgba(255, 109, 0, 0.5);
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0% { opacity: 0.8; transform: scale(1); }
      50% { opacity: 1; transform: scale(1.04); }
      100% { opacity: 0.8; transform: scale(1); }
    }
    .hero-badge-text {
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
    }
    .hero-title {
      font-size: 44px;
      font-weight: 900;
      line-height: 1.2;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-title span {
      color: var(--primary);
      text-shadow: 0 0 18px rgba(0, 230, 118, 0.4);
    }
    .hero-desc {
      font-size: 16px;
      color: var(--text-sub);
      line-height: 1.8;
      margin-bottom: 28px;
    }
    .hero-actions {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 36px;
    }
    .hero-promo-bar {
      display: flex;
      align-items: center;
      gap: 16px;
      background: rgba(20, 30, 27, 0.7);
      border: 1px dashed rgba(0, 230, 118, 0.35);
      border-radius: var(--radius-md);
      padding: 12px 18px;
    }
    .promo-highlight {
      color: var(--accent-orange);
      font-weight: 700;
      font-size: 14px;
    }
    .promo-text {
      color: var(--text-muted);
      font-size: 13px;
    }
    .hero-visual-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 20px 40px rgba(0,0,0,0.6);
      position: relative;
    }
    .card-topbar {
      background: #0B1311;
      padding: 10px 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid var(--border-light);
    }
    .stream-status {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      color: var(--primary);
    }
    .hero-visual-card img {
      width: 100%;
      height: 280px;
      object-fit: cover;
    }
    .stream-feed-meta {
      padding: 16px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      text-align: center;
      background: rgba(10, 18, 15, 0.9);
    }
    .meta-box span {
      display: block;
      font-size: 11px;
      color: var(--text-muted);
    }
    .meta-box strong {
      font-size: 14px;
      color: var(--primary);
    }

    /* 2. 核心指标看板 (Data Dashboard) */
    .dashboard-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .metric-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      position: relative;
      transition: all 0.3s ease;
    }
    .metric-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: var(--shadow-glow);
    }
    .metric-value {
      font-size: 38px;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 8px;
      font-variant-numeric: tabular-nums;
    }
    .metric-title {
      font-size: 15px;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 8px;
    }
    .metric-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 3. 架构与算法技术 (Tech Architecture) */
    .arch-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .arch-image-wrap {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-light);
    }
    .arch-spec-list {
      margin-top: 24px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .spec-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      background: var(--bg-card);
      padding: 16px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
    }
    .spec-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--primary);
      margin-top: 6px;
      flex-shrink: 0;
    }
    .spec-content h4 {
      font-size: 15px;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 4px;
    }
    .spec-content p {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 4. 核心优势矩阵 (Feature Grid 3x2) */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .feature-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      transition: all 0.3s ease;
      position: relative;
    }
    .feature-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      background: var(--bg-card-alt);
    }
    .feature-icon-badge {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-sm);
      background: rgba(0, 230, 118, 0.12);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 900;
      margin-bottom: 20px;
      border: 1px solid rgba(0, 230, 118, 0.25);
    }
    .feature-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
      color: #FFF;
    }
    .feature-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 5. 热门服务产品矩阵 (Product Matrix 3列) */
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .product-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      display: flex;
      flex-direction: column;
      position: relative;
    }
    .product-card.featured {
      border-color: var(--primary);
      box-shadow: 0 0 24px rgba(0, 230, 118, 0.18);
    }
    .card-top-tag {
      position: absolute;
      top: -12px;
      right: 28px;
      background: var(--primary);
      color: #061A12;
      font-size: 11px;
      font-weight: 800;
      padding: 4px 10px;
      border-radius: 20px;
    }
    .product-type {
      font-size: 13px;
      color: var(--primary);
      font-weight: 700;
      margin-bottom: 6px;
    }
    .product-name {
      font-size: 22px;
      font-weight: 800;
      margin-bottom: 14px;
    }
    .product-desc {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.6;
    }
    .product-features {
      list-style: none;
      margin-bottom: 32px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .product-features li {
      font-size: 13px;
      color: var(--text-sub);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .product-features li::before {
      content: "✔";
      color: var(--primary);
      font-size: 12px;
      font-weight: 900;
    }

    /* 6. 算法剪辑与传统模式对比 (Diff Comparison) */
    .compare-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .compare-col {
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid var(--border-light);
    }
    .col-traditional {
      background: #111816;
    }
    .col-ai {
      background: #11241C;
      border-color: var(--border-accent);
      box-shadow: 0 8px 30px rgba(0, 230, 118, 0.08);
    }
    .col-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 28px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border-light);
    }
    .col-header h3 {
      font-size: 20px;
      font-weight: 800;
    }
    .compare-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .compare-point h4 {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .col-traditional .compare-point h4 { color: #E57373; }
    .col-ai .compare-point h4 { color: var(--primary); }
    .compare-point p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 7. 深色赛事案例与高光帧 (Dark Showcase) */
    .showcase-banner {
      background: #0B1311;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      padding: 40px;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }
    .timeline-strip {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 24px;
    }
    .timeline-node {
      display: flex;
      align-items: center;
      gap: 16px;
      background: rgba(255, 255, 255, 0.03);
      padding: 12px 18px;
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--primary);
    }
    .node-time {
      font-family: monospace;
      font-weight: 700;
      color: var(--primary);
      font-size: 14px;
    }
    .node-info {
      font-size: 13px;
      color: var(--text-sub);
    }

    /* 8. 客户实测故事与工作流 (User Story) */
    .story-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .story-cover img {
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      box-shadow: 0 16px 36px rgba(0,0,0,0.5);
    }
    .workflow-steps {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .step-item {
      display: flex;
      gap: 18px;
    }
    .step-num {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--bg-card);
      border: 1px solid var(--primary);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 14px;
      flex-shrink: 0;
    }
    .step-body h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 4px;
    }
    .step-body p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 9. 关键运营数据统计条 (Milestone Counters) */
    .counter-bar-wrap {
      background: linear-gradient(90deg, #12211C 0%, #152721 100%);
      border: 1px solid var(--border-accent);
      border-radius: var(--radius-lg);
      padding: 36px 48px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }
    .counter-item h3 {
      font-size: 34px;
      font-weight: 900;
      color: #FFF;
      margin-bottom: 6px;
    }
    .counter-item h3 span {
      color: var(--primary);
    }
    .counter-item p {
      font-size: 13px;
      color: var(--text-muted);;
    }

    /* 10. 评价区 (Testimonials) */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testimonial-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 30px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testimonial-rating {
      color: var(--accent-orange);
      font-size: 14px;
      margin-bottom: 14px;
      letter-spacing: 2px;
    }
    .testimonial-card p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .user-profile {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 16px;
    }
    .user-avatar-tag {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #1F302A;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 14px;
      border: 1px solid var(--border-accent);
    }
    .user-meta h4 {
      font-size: 14px;
      font-weight: 700;
      color: #FFF;
    }
    .user-meta span {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 11. 前沿资讯摘要区 (News Digest) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
    }
    .news-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
    }
    .news-thumb {
      height: 180px;
      overflow: hidden;
    }
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .news-card:hover .news-thumb img {
      transform: scale(1.05);
    }
    .news-content {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 12px;
      color: var(--primary);
      margin-bottom: 8px;
      font-weight: 600;
    }
    .news-content h3 {
      font-size: 17px;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 12px;
      color: #FFF;
    }
    .news-content p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    /* 12. 常见问题手风琴 (FAQ Accordion) */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color 0.25s ease;
    }
    .faq-item.active {
      border-color: var(--border-accent);
    }
    .faq-question {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 16px;
      font-weight: 700;
      color: #FFF;
    }
    .faq-arrow {
      color: var(--primary);
      font-size: 14px;
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-arrow {
      transform: rotate(180deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: rgba(10, 16, 14, 0.6);
      padding: 0 24px;
    }
    .faq-item.active .faq-answer {
      max-height: 240px;
      padding: 0 24px 20px 24px;
    }
    .faq-answer p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
    }

    /* 13. 极速转化表单与对接预约 (Conversion CTA) */
    .conversion-section {
      background: linear-gradient(180deg, #0F1916 0%, #070D0B 100%);
      border-top: 1px solid var(--border-light);
      padding: 88px 0;
    }
    .conversion-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .cta-info-box h2 {
      font-size: 34px;
      font-weight: 900;
      margin-bottom: 20px;
      line-height: 1.25;
    }
    .cta-info-box p {
      font-size: 15px;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 32px;
    }
    .support-guarantees {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .guarantee-line {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 14px;
      color: #D2DDD8;
    }
    .guarantee-icon {
      color: var(--primary);
      font-size: 16px;
    }
    .booking-form-card {
      background: var(--bg-card);
      border: 1px solid var(--border-accent);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
    }
    .booking-form-card h3 {
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 24px;
      color: #FFF;
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-sub);
      margin-bottom: 6px;
    }
    .form-group input,
    .form-group select {
      width: 100%;
      background: #0A1411;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      padding: 12px 16px;
      color: #FFF;
      font-size: 14px;
      transition: all 0.25s ease;
    }
    .form-group input:focus,
    .form-group select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 10px rgba(0, 230, 118, 0.2);
    }
    .form-submit-btn {
      width: 100%;
      background: var(--primary);
      color: #061811;
      font-size: 15px;
      font-weight: 800;
      padding: 14px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all 0.25s ease;
      margin-top: 10px;
    }
    .form-submit-btn:hover {
      background: #FFF;
      color: #000;
      box-shadow: 0 0 18px rgba(0, 230, 118, 0.35);
    }
    .form-notice {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 12px;
      text-align: center;
    }

    /* 页脚 (Footer) */
    footer {
      background: #070D0B;
      border-top: 1px solid var(--border-light);
      padding: 64px 0 32px;
      font-size: 14px;
      color: var(--text-muted);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
      gap: 48px;
      margin-bottom: 48px;
    }
    .footer-brand h4 {
      font-size: 20px;
      font-weight: 800;
      color: #FFF;
      margin-bottom: 14px;
    }
    .footer-brand p {
      line-height: 1.7;
      font-size: 13px;
      color: var(--text-muted);
    }
    .footer-col h5 {
      font-size: 15px;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: var(--primary);
    }
    .contact-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 13px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
    }
    .footer-bottom a:hover {
      color: var(--primary);
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid,
      .arch-grid,
      .compare-container,
      .showcase-banner,
      .story-grid,
      .conversion-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .dashboard-grid,
      .counter-bar-wrap {
        grid-template-columns: repeat(2, 1fr);
      }
      .features-grid,
      .product-grid,
      .testimonial-grid,
      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-utility-bar {
        display: none;
      }
      .nav-links,
      .nav-cta-btn {
        display: none;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .features-grid,
      .product-grid,
      .testimonial-grid,
      .news-grid,
      .dashboard-grid,
      .counter-bar-wrap {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 30px;
      }
      .section-title {
        font-size: 24px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
      .showcase-banner {
        padding: 24px;
      }
      .booking-form-card {
        padding: 24px;
      }
    }