/* roulang page: index */
:root {
      --bg-dark: #06080B;
      --bg-surface: #0B0E14;
      --bg-card: #11151E;
      --bg-light: #F8FAFC;
      --bg-light-alt: #F1F5F9;
      --primary: #00E599;
      --primary-hover: #00C784;
      --accent: #0066FF;
      --accent-hover: #0052CC;
      --text-dark: #0F172A;
      --text-body: #475569;
      --text-muted: #94A3B8;
      --text-white: #FFFFFF;
      --text-white-dim: #CBD5E1;
      --border-dark: #1E293B;
      --border-light: #E2E8F0;
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
      --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
      --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      font-family: var(--font-family);
      background-color: var(--bg-light);
      color: var(--text-body);
      line-height: 1.7;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button, input, select, textarea {
      font-family: inherit;
      outline: none;
    }
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 32px;
    }
    @media (max-width: 768px) {
      .container {
        padding: 0 16px;
      }
    }

    /* 顶部双行导航系统 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(11, 14, 20, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-dark);
    }
    .header-topbar {
      background: var(--bg-dark);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      font-size: 12px;
      color: var(--text-muted);
      padding: 6px 0;
    }
    .header-topbar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .topbar-status {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .pulse-dot {
      width: 7px;
      height: 7px;
      background-color: var(--primary);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--primary);
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
      100% { opacity: 1; transform: scale(1); }
    }
    .topbar-info {
      display: flex;
      gap: 20px;
    }

    .main-nav {
      height: 70px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-white);
      letter-spacing: -0.5px;
    }
    .logo-badge {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: var(--bg-dark);
      font-size: 13px;
      font-weight: 900;
      padding: 4px 8px;
      border-radius: var(--radius-sm);
      line-height: 1;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-links a {
      color: var(--text-white-dim);
      font-size: 0.93rem;
      font-weight: 500;
      position: relative;
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--primary);
    }
    .nav-cta {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.92rem;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: var(--radius-md);
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .btn-primary {
      background: var(--primary);
      color: var(--bg-dark);
    }
    .btn-primary:hover {
      background: var(--primary-hover);
      box-shadow: 0 4px 18px rgba(0, 229, 153, 0.3);
      transform: translateY(-1px);
    }
    .btn-outline {
      background: transparent;
      color: var(--text-white);
      border-color: rgba(255, 255, 255, 0.2);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(0, 229, 153, 0.05);
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      color: #fff;
      font-size: 24px;
      cursor: pointer;
    }

    /* 通用板块规范 */
    .section {
      padding: 96px 0;
      position: relative;
    }
    .section-sm {
      padding: 64px 0;
    }
    .section-dark {
      background-color: var(--bg-surface);
      color: var(--text-white-dim);
    }
    .section-black {
      background-color: var(--bg-dark);
      color: var(--text-white-dim);
    }
    .section-light {
      background-color: var(--bg-light);
      color: var(--text-body);
    }
    .section-alt {
      background-color: var(--bg-light-alt);
      color: var(--text-body);
    }
    .section-header {
      margin-bottom: 56px;
      max-width: 820px;
    }
    .section-header.text-center {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }
    .badge-tag {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      padding: 4px 12px;
      border-radius: var(--radius-sm);
      margin-bottom: 16px;
      background: rgba(0, 229, 153, 0.12);
      color: var(--primary);
      border: 1px solid rgba(0, 229, 153, 0.3);
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 700;
      line-height: 1.3;
      letter-spacing: -0.5px;
      margin-bottom: 16px;
    }
    .section-title-dark {
      color: var(--text-white);
    }
    .section-title-light {
      color: var(--text-dark);
    }
    .section-desc {
      font-size: 1.05rem;
      line-height: 1.75;
      color: var(--text-muted);
    }
    .section-desc-light {
      color: var(--text-body);
    }

    /* 招聘雇主首屏 (Hero) */
    #hero {
      position: relative;
      background-color: var(--bg-dark);
      background-image: linear-gradient(rgba(6, 8, 11, 0.85), rgba(6, 8, 11, 0.96)), url('/assets/images/f3c89444780adcc4.webp');
      background-size: cover;
      background-position: center;
      padding: 110px 0 90px;
      border-bottom: 1px solid var(--border-dark);
    }
    .hero-layout {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-h1 {
      font-size: 3.25rem;
      font-weight: 800;
      line-height: 1.18;
      letter-spacing: -1px;
      color: var(--text-white);
      margin-bottom: 24px;
    }
    .hero-h1 span {
      background: linear-gradient(120deg, #FFFFFF 30%, var(--primary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-lead {
      font-size: 1.12rem;
      line-height: 1.8;
      color: var(--text-white-dim);
      margin-bottom: 36px;
    }
    .hero-action-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }
    .hero-stats-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 28px;
    }
    .hero-stat-item h4 {
      font-size: 1.75rem;
      font-weight: 800;
      color: var(--primary);
      font-family: monospace;
      margin-bottom: 4px;
    }
    .hero-stat-item p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    .hero-card-panel {
      background: rgba(17, 21, 30, 0.85);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 28px;
      backdrop-filter: blur(10px);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }
    .hero-card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 14px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .hero-card-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-white);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .hero-positions-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .position-pill {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: var(--radius-md);
      padding: 14px 18px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: all 0.25s ease;
    }
    .position-pill:hover {
      background: rgba(0, 229, 153, 0.05);
      border-color: var(--primary);
      transform: translateX(4px);
    }
    .position-info h5 {
      font-size: 0.95rem;
      color: var(--text-white);
      margin-bottom: 4px;
    }
    .position-info span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }
    .position-badge {
      font-size: 0.75rem;
      background: rgba(0, 102, 255, 0.15);
      color: #60A5FA;
      border: 1px solid rgba(0, 102, 255, 0.3);
      padding: 3px 8px;
      border-radius: var(--radius-sm);
    }

    /* 板块 2: 资料目录（架构与数据吞吐） */
    .catalog-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .catalog-item {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      transition: all 0.3s ease;
    }
    .catalog-item:hover {
      box-shadow: var(--shadow-md);
      border-color: #CBD5E1;
      transform: translateY(-3px);
    }
    .catalog-num {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 12px;
      font-family: monospace;
    }
    .catalog-item h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 10px;
    }
    .catalog-item p {
      font-size: 0.9rem;
      color: var(--text-body);
      line-height: 1.65;
    }

    /* 板块 3: 核心卖点三连 */
    .triad-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .triad-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      position: relative;
      overflow: hidden;
    }
    .triad-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: var(--primary);
    }
    .triad-icon {
      font-size: 2rem;
      color: var(--primary);
      margin-bottom: 20px;
    }
    .triad-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 14px;
    }
    .triad-card p {
      font-size: 0.95rem;
      color: var(--text-white-dim);
      line-height: 1.7;
    }

    /* 板块 4: 关键图表与拓扑解析 */
    .chart-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .chart-figure-box {
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: var(--bg-card);
      box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3);
    }
    .chart-caption {
      padding: 16px 20px;
      background: var(--bg-surface);
      border-top: 1px solid var(--border-dark);
      font-size: 0.85rem;
      color: var(--text-muted);
      display: flex;
      justify-content: space-between;
    }
    .benchmark-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .benchmark-item {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      padding: 20px;
      border-radius: var(--radius-md);
    }
    .benchmark-head {
      display: flex;
      justify-content: space-between;
      margin-bottom: 8px;
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-white);
    }
    .bar-outer {
      height: 8px;
      background: rgba(255, 255, 255, 0.08);
      border-radius: 4px;
      overflow: hidden;
      margin-bottom: 8px;
    }
    .bar-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--accent) 0%, var(--primary) 100%);
      border-radius: 4px;
    }
    .benchmark-desc {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* 板块 5: 6卡片核心优势矩阵 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .matrix-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      transition: all 0.3s ease;
    }
    .matrix-card:hover {
      border-color: var(--primary);
      box-shadow: 0 12px 28px rgba(0, 229, 153, 0.08);
      transform: translateY(-2px);
    }
    .matrix-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--accent);
      background: rgba(0, 102, 255, 0.08);
      padding: 2px 8px;
      border-radius: var(--radius-sm);
      display: inline-block;
      margin-bottom: 12px;
    }
    .matrix-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 10px;
    }
    .matrix-card p {
      font-size: 0.92rem;
      color: var(--text-body);
      line-height: 1.65;
    }

    /* 板块 6: 场景演示卡片 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }
    .scenario-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
    }
    .scenario-card img {
      width: 100%;
      height: 240px;
      object-fit: cover;
    }
    .scenario-content {
      padding: 28px;
      flex-grow: 1;
    }
    .scenario-badge {
      font-size: 0.78rem;
      font-weight: 600;
      color: #047857;
      background: #D1FAE5;
      padding: 3px 10px;
      border-radius: var(--radius-sm);
      display: inline-block;
      margin-bottom: 12px;
    }
    .scenario-content h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 12px;
    }
    .scenario-content p {
      font-size: 0.93rem;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* 板块 7: 平台核心运行指标与数据统计条 */
    .metrics-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .metric-box {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 32px 20px;
    }
    .metric-number {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--primary);
      font-family: monospace;
      margin-bottom: 8px;
    }
    .metric-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 6px;
    }
    .metric-sub {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* 板块 8: 权威机构与专业分析师评价区 (社会认同) */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testimonial-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testimonial-text {
      font-size: 0.95rem;
      line-height: 1.7;
      color: var(--text-body);
      margin-bottom: 20px;
      font-style: italic;
    }
    .author-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-light);
      padding-top: 16px;
    }
    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--accent);
      font-size: 0.9rem;
    }
    .author-info h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-dark);
    }
    .author-info p {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 板块 9: 比分数据服务商全维度对比差异表 */
    .comparison-table-wrapper {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-light);
      font-size: 0.95rem;
    }
    .compare-table th {
      background: #F8FAFC;
      color: var(--text-dark);
      font-weight: 700;
    }
    .compare-table td:nth-child(2) {
      background: rgba(0, 229, 153, 0.04);
      font-weight: 600;
      color: #065F46;
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .check-icon {
      color: #059669;
      font-weight: bold;
    }
    .cross-icon {
      color: #94A3B8;
    }

    /* 板块 10: 行业前沿资讯与动态 */
    .insights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .insight-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .insight-card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
    }
    .insight-body {
      padding: 22px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .insight-date {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .insight-body h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .insight-body p {
      font-size: 0.88rem;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .insight-link {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块 11: 综合体育数据高频异议与快速解答 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all 0.25s ease;
    }
    .faq-item.active {
      border-color: var(--accent);
      box-shadow: var(--shadow-sm);
    }
    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-dark);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-toggle-icon {
      font-size: 1.25rem;
      color: var(--accent);
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      display: none;
      padding: 0 24px 22px;
      font-size: 0.94rem;
      line-height: 1.75;
      color: var(--text-body);
      border-top: 1px dashed #EDF2F7;
      padding-top: 14px;
    }
    .faq-item.active .faq-answer {
      display: block;
    }

    /* 板块 12: 服务承诺与安全准入保障条 */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .guarantee-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
    }
    .guarantee-item h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 8px;
    }
    .guarantee-item p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 13: 快速接入与数据测试领取表单 (CTA) */
    .cta-card {
      background: linear-gradient(135deg, #0B0E14 0%, #151D2A 100%);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 56px 48px;
      box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .cta-info h2 {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-white);
      line-height: 1.3;
      margin-bottom: 18px;
    }
    .cta-info p {
      font-size: 1.02rem;
      color: var(--text-white-dim);
      line-height: 1.75;
      margin-bottom: 24px;
    }
    .cta-checklist {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .cta-checklist li {
      font-size: 0.92rem;
      color: #94A3B8;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .cta-checklist li span {
      color: var(--primary);
      font-weight: 700;
    }
    .cta-form-box {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 32px;
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-group label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-white-dim);
      margin-bottom: 8px;
    }
    .form-control {
      width: 100%;
      background: rgba(11, 14, 20, 0.8);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-sm);
      padding: 12px 14px;
      font-size: 0.92rem;
      color: #FFFFFF;
      transition: border-color 0.2s ease;
    }
    .form-control:focus {
      border-color: var(--primary);
    }
    .form-submit-btn {
      width: 100%;
      padding: 13px;
      font-size: 1rem;
      font-weight: 700;
      background: var(--primary);
      color: var(--bg-dark);
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all 0.3s ease;
    }
    .form-submit-btn:hover {
      background: var(--primary-hover);
      box-shadow: 0 4px 16px rgba(0, 229, 153, 0.35);
    }
    .form-hint {
      font-size: 0.78rem;
      color: var(--text-muted);
      text-align: center;
      margin-top: 12px;
    }

    /* 移动端常驻底部转化条 */
    .mobile-sticky-bar {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 60px;
      background: #0B0E14;
      border-top: 1px solid var(--border-dark);
      z-index: 999;
      padding: 0 16px;
      box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.3);
    }
    .mobile-sticky-inner {
      height: 100%;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .mobile-sticky-inner .btn {
      flex: 1;
      padding: 9px 0;
      font-size: 0.88rem;
    }

    /* 全局页脚系统 */
    .site-footer {
      background-color: var(--bg-dark);
      color: var(--text-muted);
      border-top: 1px solid var(--border-dark);
      padding: 64px 0 32px;
      font-size: 0.88rem;
    }
    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h4 {
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--text-white);
      margin-bottom: 16px;
    }
    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 16px;
      max-width: 380px;
    }
    .footer-col h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: var(--primary);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }
    .footer-copy {
      color: #64748B;
      font-size: 0.82rem;
    }
    .footer-legal-tags {
      display: flex;
      gap: 18px;
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .catalog-grid, .guarantee-grid, .metrics-bar {
        grid-template-columns: repeat(2, 1fr);
      }
      .triad-grid, .matrix-grid, .testimonial-grid, .insights-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-layout, .chart-layout, .cta-card {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .header-topbar {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #0B0E14;
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--border-dark);
        gap: 16px;
      }
      .nav-links.show {
        display: flex;
      }
      .nav-cta .btn-outline {
        display: none;
      }
      .hero-h1 {
        font-size: 2.2rem;
      }
      .section {
        padding: 60px 0;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .catalog-grid, .triad-grid, .matrix-grid, .scenario-grid, .metrics-bar, .testimonial-grid, .insights-grid, .guarantee-grid {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .mobile-sticky-bar {
        display: block;
      }
      body {
        padding-bottom: 60px;
      }
    }