/* roulang page: index */
:root {
      --primary: #0F172A;
      --accent: #00D26A;
      --accent-hover: #00B359;
      --secondary: #2563EB;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --bg-dark: #0B0F19;
      --text-main: #0F172A;
      --text-muted: #334155;
      --text-dim: #64748B;
      --text-light: #F8FAFC;
      --border-color: #E2E8F0;
      --border-dark: #1E293B;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --shadow-sm: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
      --shadow-lg: 0 12px 28px -4px rgba(15, 23, 42, 0.12);
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

    body {
      font-family: var(--font-stack);
      background-color: var(--bg-light);
      color: var(--text-muted);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease-out;
    }

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

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

    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 顶部首行：定位与服务热线 */
    .top-bar {
      background-color: var(--bg-dark);
      color: #94A3B8;
      font-size: 13px;
      height: 38px;
      border-bottom: 1px solid var(--border-dark);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 100%;
    }
    .location-selector {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .location-selector select {
      background: #1E293B;
      color: #E2E8F0;
      border: 1px solid #334155;
      padding: 2px 8px;
      border-radius: var(--radius-sm);
      font-size: 12px;
      outline: none;
      cursor: pointer;
    }
    .top-service-meta {
      display: flex;
      gap: 20px;
      align-items: center;
    }

    /* 主导航 */
    .main-header {
      background-color: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      position: sticky;
      top: 0;
      z-index: 100;
      border-bottom: 1px solid var(--border-color);
      height: 72px;
      display: flex;
      align-items: center;
    }
    .header-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }
    .brand-mark {
      width: 32px;
      height: 32px;
      background: var(--primary);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      font-weight: 900;
      font-size: 18px;
      border: 1px solid rgba(0, 210, 106, 0.4);
    }
    .nav-menu {
      display: flex;
      gap: 28px;
      list-style: none;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: -6px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent);
    }
    .cta-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 14px;
      transition: all 0.2s ease-out;
      cursor: pointer;
      border: none;
    }
    .cta-primary {
      background-color: var(--accent);
      color: var(--primary);
    }
    .cta-primary:hover {
      background-color: var(--accent-hover);
      transform: translateY(-1px);
      box-shadow: 0 4px 12px rgba(0, 210, 106, 0.3);
    }
    .cta-dark {
      background-color: var(--primary);
      color: #fff;
    }
    .cta-dark:hover {
      background-color: #1E293B;
      transform: translateY(-1px);
    }
    .cta-outline {
      background: transparent;
      border: 1px solid var(--border-color);
      color: var(--text-main);
    }
    .cta-outline:hover {
      background-color: #F1F5F9;
      border-color: #CBD5E1;
    }

    /* 板块通用 */
    .section-spacing {
      padding: 84px 0;
    }
    .section-spacing-sm {
      padding: 48px 0;
    }
    .section-header {
      margin-bottom: 48px;
      text-align: center;
    }
    .section-header.left-aligned {
      text-align: left;
    }
    .badge {
      display: inline-block;
      padding: 4px 12px;
      background: rgba(0, 210, 106, 0.12);
      color: #008744;
      font-size: 12px;
      font-weight: 700;
      border-radius: 50px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-dim);
      max-width: 760px;
      margin: 0 auto;
      line-height: 1.7;
    }
    .section-header.left-aligned .section-desc {
      margin-left: 0;
    }

    /* 1. 首屏 Hero */
    .hero-section {
      position: relative;
      background: linear-gradient(135deg, #0B0F19 0%, #111827 100%);
      color: var(--text-light);
      padding: 100px 0 90px;
      overflow: hidden;
      border-bottom: 1px solid var(--border-dark);
    }
    .hero-bg-overlay {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-image: url('/assets/images/6a8907e21706489b.jpg');
      background-size: cover;
      background-position: center;
      opacity: 0.15;
      mix-blend-mode: luminosity;
    }
    .hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-badge-row {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 20px;
    }
    .hero-tag {
      background: rgba(0, 210, 106, 0.18);
      color: var(--accent);
      font-size: 13px;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(0, 210, 106, 0.3);
    }
    .hero-title {
      font-size: 44px;
      font-weight: 900;
      line-height: 1.2;
      color: #FFFFFF;
      margin-bottom: 24px;
      letter-spacing: -1px;
    }
    .hero-desc {
      font-size: 16px;
      line-height: 1.75;
      color: #94A3B8;
      margin-bottom: 36px;
    }
    .hero-action-box {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }
    .hero-trust-bar {
      display: flex;
      gap: 24px;
      border-top: 1px solid #1E293B;
      padding-top: 24px;
    }
    .trust-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: #94A3B8;
    }
    .trust-dot {
      width: 8px;
      height: 8px;
      background: var(--accent);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--accent);
    }
    .hero-media-wrapper {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
      border: 1px solid #334155;
    }
    .hero-media-wrapper img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .media-floating-tag {
      position: absolute;
      bottom: 20px;
      left: 20px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(8px);
      padding: 12px 18px;
      border-radius: var(--radius-md);
      border: 1px solid #334155;
      color: #fff;
      font-size: 13px;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .status-ping {
      width: 10px;
      height: 10px;
      background-color: var(--accent);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--accent);
    }

    /* 2. 技术底座与架构标准 (#intro) */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .intro-content-left h2 {
      font-size: 30px;
      color: var(--text-main);
      font-weight: 800;
      margin-bottom: 20px;
      line-height: 1.3;
    }
    .intro-content-left p {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 18px;
      line-height: 1.8;
    }
    .param-highlight-box {
      background: #F1F5F9;
      border-left: 4px solid var(--secondary);
      padding: 16px 20px;
      margin-top: 24px;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      font-size: 14px;
      color: var(--text-main);
      font-weight: 500;
    }
    .nodes-grid-2x2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .node-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      padding: 24px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }
    .node-idx {
      font-size: 14px;
      font-weight: 800;
      color: var(--secondary);
      margin-bottom: 8px;
    }
    .node-card h3 {
      font-size: 17px;
      color: var(--text-main);
      margin-bottom: 10px;
      font-weight: 700;
    }
    .node-card p {
      font-size: 13px;
      color: var(--text-dim);
      line-height: 1.6;
    }

    /* 3. 核心优势六卡片矩阵 (#features) */
    .features-grid-3x2 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .feature-box {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      position: relative;
    }
    .feature-box:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: #CBD5E1;
    }
    .feature-box .feat-icon {
      width: 44px;
      height: 44px;
      background: #EFF6FF;
      color: var(--secondary);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 16px;
      margin-bottom: 20px;
    }
    .feature-box h3 {
      font-size: 18px;
      color: var(--text-main);
      font-weight: 700;
      margin-bottom: 12px;
    }
    .feature-box p {
      font-size: 14px;
      color: var(--text-dim);
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .feature-metric {
      font-size: 12px;
      color: var(--secondary);
      font-weight: 600;
      background: #F8FAFC;
      padding: 4px 10px;
      border-radius: 4px;
      display: inline-block;
      border: 1px solid #E2E8F0;
    }

    /* 4. 核心系统模块与套件 (#products) */
    .packages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      align-items: stretch;
    }
    .package-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 28px;
      display: flex;
      flex-direction: column;
      position: relative;
      box-shadow: var(--shadow-sm);
    }
    .package-card.recommended {
      border: 2px solid var(--accent);
      box-shadow: 0 10px 30px rgba(0, 210, 106, 0.15);
      transform: scale(1.02);
      z-index: 2;
    }
    .pkg-badge {
      position: absolute;
      top: -14px;
      right: 28px;
      background: var(--accent);
      color: var(--primary);
      font-size: 12px;
      font-weight: 800;
      padding: 4px 12px;
      border-radius: 20px;
      letter-spacing: 0.5px;
    }
    .pkg-title {
      font-size: 22px;
      color: var(--text-main);
      font-weight: 800;
      margin-bottom: 10px;
    }
    .pkg-desc {
      font-size: 14px;
      color: var(--text-dim);
      line-height: 1.6;
      margin-bottom: 24px;
      min-height: 44px;
    }
    .pkg-features-list {
      list-style: none;
      margin-bottom: 32px;
      flex-grow: 1;
    }
    .pkg-features-list li {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .check-sign {
      color: var(--accent);
      font-weight: 900;
      font-size: 16px;
    }

    /* 5. 深色沉浸案例与赛事调度 (#cases) */
    .cases-dark-section {
      background: var(--bg-dark);
      color: var(--text-light);
      padding: 90px 0;
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
    }
    .cases-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 50px;
      align-items: center;
    }
    .dispatch-screen-box {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-dark);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
      position: relative;
    }
    .dispatch-screen-box img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .screen-status-badge {
      position: absolute;
      top: 16px;
      right: 16px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(8px);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 12px;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 8px;
      border: 1px solid #334155;
    }
    .status-dot-green {
      width: 8px;
      height: 8px;
      background-color: var(--accent);
      border-radius: 50%;
      box-shadow: 0 0 6px var(--accent);
    }
    .case-logics-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .logic-item {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid #1E293B;
      padding: 20px;
      border-radius: var(--radius-md);
    }
    .logic-item h3 {
      font-size: 16px;
      color: #FFFFFF;
      font-weight: 700;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .logic-bullet {
      width: 6px;
      height: 6px;
      background: var(--accent);
      border-radius: 50%;
    }
    .logic-item p {
      font-size: 13px;
      color: #94A3B8;
      line-height: 1.6;
    }

    /* 6. 典型用户故事与业务场景 (#scenarios) */
    .scenario-stack {
      display: flex;
      flex-direction: column;
      gap: 60px;
    }
    .scenario-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .scenario-row.reversed {
      grid-template-columns: 1fr 1fr;
    }
    .scenario-row.reversed .scenario-visual {
      order: 2;
    }
    .scenario-row.reversed .scenario-info {
      order: 1;
    }
    .scenario-visual {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .scenario-visual img {
      width: 100%;
      height: 320px;
      object-fit: cover;
    }
    .scenario-info h3 {
      font-size: 24px;
      color: var(--text-main);
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .scenario-info p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 20px;
    }
    .scenario-tags {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }
    .scenario-tags span {
      background: #F1F5F9;
      color: #475569;
      font-size: 12px;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: var(--radius-sm);
    }

    /* 7. 关键赛事运行数据统计条 (#data) */
    .data-strip-section {
      background: #0F172A;
      color: #FFFFFF;
      padding: 60px 0;
      border-top: 1px solid #1E293B;
      border-bottom: 1px solid #1E293B;
    }
    .data-grid-4col {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .stat-card {
      padding: 10px;
    }
    .stat-number {
      font-size: 44px;
      font-weight: 900;
      color: var(--accent);
      line-height: 1.1;
      margin-bottom: 8px;
      letter-spacing: -1px;
    }
    .stat-label {
      font-size: 15px;
      color: #F8FAFC;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .stat-sub {
      font-size: 12px;
      color: #94A3B8;
    }

    /* 8. 赛事组委会与裁判长评价 (#testimonials) */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testimonial-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .quote-mark {
      font-size: 32px;
      color: var(--secondary);
      font-family: Georgia, serif;
      line-height: 1;
      margin-bottom: 12px;
    }
    .quote-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 24px;
    }
    .quotee-profile {
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
      display: flex;
      flex-direction: column;
    }
    .quotee-name {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }
    .quotee-role {
      font-size: 12px;
      color: var(--text-dim);
      margin-top: 2px;
    }

    /* 9. 赛事科技资讯与运维动态 (#news) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .news-thumbnail {
      width: 100%;
      height: 190px;
      object-fit: cover;
    }
    .news-content {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 12px;
      color: var(--secondary);
      font-weight: 600;
      margin-bottom: 10px;
    }
    .news-title {
      font-size: 17px;
      color: var(--text-main);
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 12px;
    }
    .news-summary {
      font-size: 13px;
      color: var(--text-dim);
      line-height: 1.7;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .news-action {
      font-size: 13px;
      color: var(--text-main);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .news-action:hover {
      color: var(--secondary);
    }

    /* 10. 赛事系统常见问题 (#faq) */
    .faq-container-narrow {
      max-width: 820px;
      margin: 0 auto;
    }
    .accordion-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .accordion-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
    }
    .accordion-header {
      width: 100%;
      padding: 20px 24px;
      text-align: left;
      background: none;
      border: none;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .accordion-icon {
      font-size: 18px;
      color: var(--text-dim);
      transition: transform 0.2s ease;
    }
    .accordion-content {
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
      display: none;
    }
    .accordion-item.active .accordion-content {
      display: block;
    }
    .accordion-item.active .accordion-icon {
      transform: rotate(45deg);
      color: var(--secondary);
    }

    /* 11. 安全保障与认证标准条 (#guarantee) */
    .guarantee-bar {
      background: #F1F5F9;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 44px 0;
    }
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .guarantee-item {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .guarantee-sign {
      width: 40px;
      height: 40px;
      background: #FFFFFF;
      border-radius: 8px;
      border: 1px solid #CBD5E1;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      font-weight: 800;
      color: var(--primary);
    }
    .guarantee-text h4 {
      font-size: 14px;
      color: var(--text-main);
      font-weight: 700;
    }
    .guarantee-text p {
      font-size: 12px;
      color: var(--text-dim);
      margin-top: 2px;
    }

    /* 12. 申请演示与联络收口 (#contact) */
    .contact-wrapper {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr 1.1fr;
    }
    .contact-left-info {
      background: var(--bg-dark);
      color: #FFFFFF;
      padding: 48px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .contact-left-info h2 {
      font-size: 28px;
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .contact-left-info p {
      font-size: 14px;
      color: #94A3B8;
      line-height: 1.8;
      margin-bottom: 30px;
    }
    .support-direct-box {
      border-top: 1px solid #1E293B;
      padding-top: 24px;
    }
    .direct-line-item {
      font-size: 13px;
      color: #94A3B8;
      margin-bottom: 12px;
      display: flex;
      gap: 8px;
    }
    .direct-line-item strong {
      color: #FFFFFF;
    }
    .contact-form-side {
      padding: 48px;
    }
    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 16px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-group.full-width {
      grid-column: span 2;
    }
    .form-label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
    }
    .form-control {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-main);
      outline: none;
      transition: border-color 0.2s;
    }
    .form-control:focus {
      border-color: var(--secondary);
    }
    .form-submit-btn {
      width: 100%;
      padding: 12px;
      background: var(--accent);
      color: var(--primary);
      border: none;
      border-radius: var(--radius-sm);
      font-weight: 700;
      font-size: 15px;
      cursor: pointer;
      margin-top: 8px;
      transition: background-color 0.2s;
    }
    .form-submit-btn:hover {
      background-color: var(--accent-hover);
    }

    /* 页脚设计 */
    .site-footer {
      background: var(--bg-dark);
      color: #94A3B8;
      font-size: 13px;
      padding: 64px 0 32px;
      border-top: 1px solid var(--border-dark);
    }
    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h4 {
      color: #FFFFFF;
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 14px;
    }
    .footer-brand p {
      font-size: 13px;
      line-height: 1.8;
      max-width: 320px;
    }
    .footer-col h5 {
      color: #FFFFFF;
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: #FFFFFF;
    }
    .footer-mid-compliance {
      border-top: 1px solid #1E293B;
      padding: 24px 0;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      font-size: 12px;
    }
    .compliance-info {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
    }
    .footer-bottom-copy {
      border-top: 1px solid #1E293B;
      padding-top: 24px;
      text-align: center;
      font-size: 12px;
      color: #64748B;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .intro-grid {
        grid-template-columns: 1fr;
      }
      .features-grid-3x2 {
        grid-template-columns: repeat(2, 1fr);
      }
      .packages-grid {
        grid-template-columns: 1fr;
      }
      .package-card.recommended {
        transform: none;
      }
      .cases-grid {
        grid-template-columns: 1fr;
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-bar-inner {
        flex-direction: column;
        gap: 6px;
      }
      .top-bar {
        height: auto;
        padding: 8px 0;
      }
      .nav-menu {
        display: none;
      }
      .hero-title {
        font-size: 30px;
      }
      .section-title {
        font-size: 26px;
      }
      .features-grid-3x2 {
        grid-template-columns: 1fr;
      }
      .data-grid-4col {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
      }
      .testimonials-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .scenario-row, .scenario-row.reversed {
        grid-template-columns: 1fr;
      }
      .scenario-row.reversed .scenario-visual {
        order: 1;
      }
      .scenario-row.reversed .scenario-info {
        order: 2;
      }
      .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .contact-left-info, .contact-form-side {
        padding: 24px;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group.full-width {
        grid-column: span 1;
      }
    }