/* roulang page: index */
:root {
      --primary: #0052D9;
      --primary-hover: #003cab;
      --secondary: #00C076;
      --secondary-dark: #00995e;
      --bg-main: #F8FAFC;
      --bg-card: #FFFFFF;
      --bg-dark: #0B132B;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #94A3B8;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --shadow-sm: 0 4px 20px -2px rgba(0, 82, 217, 0.06);
      --shadow-hover: 0 12px 30px -4px rgba(0, 82, 217, 0.15);
      --gradient-brand: linear-gradient(135deg, #0052D9 0%, #00C076 100%);
      --container-max: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-main);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

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

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

    /* 顶部微型通栏 */
    .top-banner {
      background-color: #0B132B;
      color: #94A3B8;
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .top-banner-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-badge-tip {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(0, 192, 118, 0.15);
      color: #00C076;
      padding: 2px 10px;
      border-radius: 20px;
      font-weight: 500;
      font-size: 12px;
    }

    /* 主导航 */
    .main-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      box-shadow: 0 2px 12px rgba(15, 23, 42, 0.05);
      transition: all 0.3s ease;
    }
    .nav-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 76px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
    }
    .brand-logo-icon {
      width: 38px;
      height: 38px;
      background: var(--gradient-brand);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 20px;
    }
    .nav-links {
      display: flex;
      gap: 28px;
      list-style: none;
      align-items: center;
    }
    .nav-links a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      transition: color 0.2s ease;
      position: relative;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--primary);
    }
    .btn-brand-nav {
      background: var(--gradient-brand);
      color: #fff;
      padding: 10px 22px;
      border-radius: 30px;
      font-weight: 600;
      font-size: 14px;
      box-shadow: 0 4px 15px rgba(0, 82, 217, 0.25);
      transition: opacity 0.2s, transform 0.2s;
    }
    .btn-brand-nav:hover {
      opacity: 0.92;
      transform: translateY(-1px);
    }

    /* 模块通用样式 */
    section {
      padding: 90px 0;
      position: relative;
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 60px auto;
    }
    .section-badge {
      display: inline-block;
      padding: 6px 14px;
      background: rgba(0, 82, 217, 0.08);
      color: var(--primary);
      border-radius: 20px;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.5px;
      margin-bottom: 14px;
      text-transform: uppercase;
    }
    .section-title {
      font-size: 34px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.3;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 板块一：Hero 首屏 */
    .hero-section {
      padding: 60px 0 100px 0;
      background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
      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: 42px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      color: #0F172A;
      letter-spacing: -1px;
    }
    .hero-content h1 span {
      background: var(--gradient-brand);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-lead {
      font-size: 16px;
      color: var(--text-muted);
      margin-bottom: 32px;
      line-height: 1.8;
      text-align: justify;
    }
    .hero-action-group {
      display: flex;
      gap: 16px;
      align-items: center;
      margin-bottom: 36px;
    }
    .btn-primary-lg {
      background: var(--gradient-brand);
      color: #fff;
      padding: 15px 34px;
      border-radius: 30px;
      font-size: 16px;
      font-weight: 700;
      box-shadow: 0 8px 24px rgba(0, 82, 217, 0.28);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.2s;
    }
    .btn-primary-lg:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(0, 82, 217, 0.35);
    }
    .btn-outline-lg {
      background: #FFFFFF;
      color: var(--text-main);
      border: 1px solid var(--border-color);
      padding: 15px 28px;
      border-radius: 30px;
      font-size: 16px;
      font-weight: 600;
      transition: all 0.2s;
    }
    .btn-outline-lg:hover {
      border-color: var(--primary);
      color: var(--primary);
    }
    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .hero-tag-item {
      font-size: 13px;
      color: #334155;
      background: #E2E8F0;
      padding: 6px 14px;
      border-radius: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
      font-weight: 500;
    }
    .hero-tag-item::before {
      content: "";
      width: 6px;
      height: 6px;
      background: var(--secondary);
      border-radius: 50%;
    }

    /* 首屏右侧预约/演示面板 */
    .hero-reserve-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 34px;
      box-shadow: var(--shadow-hover);
      border: 1px solid rgba(226, 232, 240, 0.8);
      position: relative;
    }
    .reserve-card-header {
      margin-bottom: 24px;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 16px;
    }
    .reserve-card-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .reserve-status-pill {
      font-size: 12px;
      padding: 4px 10px;
      border-radius: 20px;
      background: rgba(0, 192, 118, 0.12);
      color: var(--secondary-dark);
      font-weight: 600;
    }
    .reserve-form-group {
      margin-bottom: 16px;
    }
    .reserve-form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-muted);
    }
    .reserve-form-input, .reserve-form-select {
      width: 100%;
      height: 44px;
      padding: 0 14px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      font-size: 14px;
      outline: none;
      background: #F8FAFC;
      transition: border-color 0.2s;
    }
    .reserve-form-input:focus, .reserve-form-select:focus {
      border-color: var(--primary);
      background: #FFFFFF;
    }
    .reserve-time-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 8px;
      margin-top: 8px;
    }
    .time-slot-btn {
      padding: 8px 4px;
      font-size: 12px;
      text-align: center;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      background: #FFFFFF;
      cursor: pointer;
      color: var(--text-muted);
      transition: all 0.2s;
    }
    .time-slot-btn.active, .time-slot-btn:hover {
      border-color: var(--primary);
      background: rgba(0, 82, 217, 0.05);
      color: var(--primary);
      font-weight: 600;
    }
    .reserve-submit-btn {
      width: 100%;
      height: 46px;
      background: var(--gradient-brand);
      color: #fff;
      border: none;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      margin-top: 14px;
      transition: opacity 0.2s;
    }
    .reserve-submit-btn:hover {
      opacity: 0.92;
    }
    .reserve-card-footer {
      font-size: 12px;
      color: var(--text-light);
      margin-top: 12px;
      text-align: center;
    }

    /* 板块二：品牌与方案定位矩阵 */
    .bg-white {
      background-color: #FFFFFF;
    }
    .matrix-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .matrix-img-box {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
      position: relative;
    }
    .matrix-img-box img {
      width: 100%;
      height: 420px;
      object-fit: cover;
    }
    .matrix-item {
      display: flex;
      gap: 18px;
      margin-bottom: 28px;
    }
    .matrix-icon {
      width: 48px;
      height: 48px;
      flex-shrink: 0;
      border-radius: 12px;
      background: rgba(0, 82, 217, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 20px;
      font-weight: 800;
    }
    .matrix-item-content h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .matrix-item-content p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块三：核心优势指标网格（2x3） */
    .advantage-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .advantage-card {
      background: #FFFFFF;
      padding: 30px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      position: relative;
    }
    .advantage-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(0, 82, 217, 0.3);
    }
    .card-top-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 16px;
    }
    .card-icon-round {
      width: 44px;
      height: 44px;
      background: rgba(0, 192, 118, 0.1);
      color: var(--secondary-dark);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 18px;
    }
    .card-tag-pill {
      font-size: 11px;
      font-weight: 600;
      padding: 3px 8px;
      border-radius: 12px;
      background: #F1F5F9;
      color: #475569;
    }
    .advantage-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .advantage-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块四：智慧体育核心硬件与系统套件 (1x3 展位) */
    .hardware-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .hardware-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: all 0.25s ease;
    }
    .hardware-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .hardware-card img {
      width: 100%;
      height: 220px;
      object-fit: cover;
    }
    .hardware-card-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .hardware-card-body h3 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .hardware-spec-list {
      list-style: none;
      margin: 16px 0 20px 0;
      border-top: 1px dashed var(--border-color);
      padding-top: 12px;
    }
    .hardware-spec-list li {
      font-size: 13px;
      color: var(--text-muted);
      display: flex;
      justify-content: space-between;
      margin-bottom: 8px;
    }
    .hardware-spec-list span:last-child {
      font-weight: 600;
      color: var(--text-main);
    }
    .card-action-btn {
      margin-top: auto;
      padding: 10px 0;
      text-align: center;
      border-radius: var(--radius-sm);
      background: #F8FAFC;
      border: 1px solid var(--border-color);
      color: var(--primary);
      font-weight: 600;
      font-size: 14px;
      cursor: pointer;
      transition: all 0.2s;
    }
    .card-action-btn:hover {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
    }

    /* 板块五：场景化应用实测演示 */
    .tab-nav-bar {
      display: flex;
      justify-content: center;
      gap: 14px;
      margin-bottom: 40px;
      flex-wrap: wrap;
    }
    .tab-btn {
      padding: 12px 26px;
      border-radius: 30px;
      border: 1px solid var(--border-color);
      background: #FFFFFF;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-muted);
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .tab-btn.active, .tab-btn:hover {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary);
      box-shadow: 0 4px 14px rgba(0, 82, 217, 0.2);
    }
    .tab-content-panel {
      display: none;
      animation: fadeIn 0.3s ease-in-out;
    }
    .tab-content-panel.active {
      display: block;
    }
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(6px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .scene-detail-box {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 36px;
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 36px;
      align-items: center;
      box-shadow: var(--shadow-sm);
    }
    .scene-detail-box img {
      border-radius: var(--radius-md);
      width: 100%;
      height: 320px;
      object-fit: cover;
    }
    .scene-meta-list {
      margin-top: 18px;
    }
    .scene-meta-item {
      display: flex;
      align-items: baseline;
      gap: 8px;
      margin-bottom: 10px;
      font-size: 14px;
      color: var(--text-muted);
    }
    .scene-meta-item strong {
      color: var(--text-main);
      font-weight: 600;
    }

    /* 板块六：深色沉浸式案例与设计哲学 */
    .dark-section {
      background-color: var(--bg-dark);
      color: #FFFFFF;
      padding: 100px 0;
    }
    .dark-section .section-title {
      color: #FFFFFF;
    }
    .dark-section .section-desc {
      color: #94A3B8;
    }
    .dark-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .step-list-dark {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .step-item-dark {
      display: flex;
      gap: 20px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 22px;
      border-radius: var(--radius-md);
      transition: background 0.2s;
    }
    .step-item-dark:hover {
      background: rgba(255, 255, 255, 0.08);
    }
    .step-num-dark {
      width: 36px;
      height: 36px;
      flex-shrink: 0;
      border-radius: 50%;
      background: var(--secondary);
      color: #0B132B;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .step-body-dark h4 {
      font-size: 17px;
      margin-bottom: 6px;
      color: #F8FAFC;
    }
    .step-body-dark p {
      font-size: 14px;
      color: #94A3B8;
      line-height: 1.6;
    }

    /* 板块七：落地故事与时间线 */
    .timeline-container {
      position: relative;
      max-width: 860px;
      margin: 0 auto;
    }
    .timeline-container::before {
      content: "";
      position: absolute;
      left: 20px;
      top: 0;
      bottom: 0;
      width: 2px;
      background: var(--border-color);
    }
    .timeline-row {
      position: relative;
      padding-left: 60px;
      margin-bottom: 36px;
    }
    .timeline-dot {
      position: absolute;
      left: 12px;
      top: 4px;
      width: 18px;
      height: 18px;
      background: #FFFFFF;
      border: 4px solid var(--primary);
      border-radius: 50%;
    }
    .timeline-card {
      background: #FFFFFF;
      padding: 24px 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .timeline-card h4 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .timeline-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块八：关键数据徽章条 */
    .stats-section {
      background: linear-gradient(135deg, #0052D9 0%, #003cab 100%);
      color: #FFFFFF;
      padding: 70px 0;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .stat-badge-card {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 28px 16px;
      backdrop-filter: blur(8px);
    }
    .stat-number {
      font-size: 44px;
      font-weight: 900;
      color: var(--secondary);
      line-height: 1;
      margin-bottom: 10px;
      letter-spacing: -1px;
    }
    .stat-title {
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 4px;
    }
    .stat-desc {
      font-size: 12px;
      color: #E2E8F0;
    }

    /* 板块九：社会认同与评价 (3列) */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testimonial-card {
      background: #FFFFFF;
      padding: 30px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testimonial-stars {
      color: #F59E0B;
      font-size: 16px;
      margin-bottom: 14px;
      letter-spacing: 2px;
    }
    .testimonial-content {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: italic;
    }
    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
    }
    .user-avatar-circle {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      color: var(--primary);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
    }
    .user-info-text h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }
    .user-info-text p {
      font-size: 12px;
      color: var(--text-light);
    }

    /* 板块十：动态与前沿资讯 (3栏) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
    }
    .news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .news-card img {
      width: 100%;
      height: 200px;
      object-fit: cover;
    }
    .news-body {
      padding: 22px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-tag-bar {
      display: flex;
      justify-content: space-between;
      margin-bottom: 12px;
      font-size: 12px;
      color: var(--text-light);
    }
    .news-category-tag {
      color: var(--primary);
      background: rgba(0, 82, 217, 0.08);
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
    }
    .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-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .news-read-more {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
      cursor: pointer;
    }

    /* 板块十一：FAQ 紧凑折叠面板 */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      overflow: hidden;
      transition: border-color 0.2s;
    }
    .faq-header {
      padding: 18px 22px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      user-select: none;
    }
    .faq-icon-cross {
      font-size: 20px;
      color: var(--primary);
      transition: transform 0.2s ease;
    }
    .faq-body {
      padding: 0 22px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.7;
    }
    .faq-item.active {
      border-color: rgba(0, 82, 217, 0.4);
    }
    .faq-item.active .faq-icon-cross {
      transform: rotate(45deg);
    }
    .faq-item.active .faq-body {
      max-height: 200px;
      padding: 0 22px 18px 22px;
    }

    /* 板块十二：交付合规与服务安全保障条 */
    .trust-section {
      background: #F1F5F9;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 50px 0;
    }
    .trust-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .trust-item {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .trust-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: #FFFFFF;
      box-shadow: var(--shadow-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-weight: 800;
      font-size: 20px;
      flex-shrink: 0;
    }
    .trust-info h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .trust-info p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 板块十三：全局终极 CTA */
    .final-cta-section {
      padding: 80px 0;
      background: #FFFFFF;
    }
    .cta-banner-card {
      background: var(--gradient-brand);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      color: #FFFFFF;
      box-shadow: 0 20px 40px -10px rgba(0, 82, 217, 0.35);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }
    .cta-banner-text h2 {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .cta-banner-text p {
      font-size: 15px;
      color: #E2E8F0;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .cta-inline-form {
      background: #FFFFFF;
      padding: 28px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-hover);
    }
    .cta-input-group {
      margin-bottom: 14px;
    }
    .cta-input-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .cta-input {
      width: 100%;
      height: 44px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 0 14px;
      font-size: 14px;
      outline: none;
    }
    .cta-btn-submit {
      width: 100%;
      height: 48px;
      background: var(--text-main);
      color: #FFFFFF;
      border: none;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      transition: background 0.2s;
    }
    .cta-btn-submit:hover {
      background: #000000;
    }

    /* 全局统一页脚 */
    .site-footer {
      background: #0B132B;
      color: #94A3B8;
      padding: 70px 0 30px 0;
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand h3 {
      font-size: 22px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 16px;
    }
    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 20px;
      font-size: 13px;
    }
    .footer-col h4 {
      font-size: 15px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: #94A3B8;
      transition: color 0.2s;
    }
    .footer-links a:hover {
      color: var(--secondary);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
    }
    .footer-bottom a {
      color: #94A3B8;
    }

    /* 移动端底部固定条 */
    .sticky-mobile-cta {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background: #FFFFFF;
      padding: 10px 16px;
      box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.1);
      z-index: 999;
      border-top: 1px solid var(--border-color);
      padding-bottom: calc(10px + env(safe-area-inset-bottom));
    }
    .sticky-mobile-inner {
      display: flex;
      gap: 10px;
    }
    .btn-mobile-call {
      flex: 1;
      height: 44px;
      background: #F1F5F9;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      font-weight: 700;
      font-size: 14px;
    }
    .btn-mobile-order {
      flex: 1.5;
      height: 44px;
      background: var(--gradient-brand);
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      font-weight: 700;
      font-size: 14px;
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .advantage-grid, .hardware-grid, .testimonial-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .stats-grid, .trust-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .nav-links, .top-banner {
        display: none;
      }
      .hero-grid, .matrix-grid, .dark-grid, .scene-detail-box, .cta-banner-card {
        grid-template-columns: 1fr;
      }
      .advantage-grid, .hardware-grid, .testimonial-grid, .news-grid, .stats-grid, .trust-grid, .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-content h1 {
        font-size: 30px;
      }
      .section-title {
        font-size: 26px;
      }
      .sticky-mobile-cta {
        display: block;
      }
      body {
        padding-bottom: 60px;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
      }
    }