:root {
      --primary: #94a3b8;
      --dark: #0f172a;
      --accent: #e2e8f0;
      --card-bg: linear-gradient(145deg, rgba(148, 163, 184, 0.12) 0%, rgba(15, 23, 42, 0.92) 100%);
      --border: rgba(148, 163, 184, 0.22);
      --font: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
    }
    *,
    *::before,
    *::after {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: var(--font) !important;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
      color: var(--accent);
      line-height: 1.7;
      min-height: 100vh;
      font-size: 16px;
    }
    a {
      color: var(--accent);
      text-decoration: none;
      transition: all 0.3s ease;
    }
    a:hover {
      color: var(--primary);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(15, 23, 42, 0.94);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border);
    }
    .nav-container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      height: 68px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      flex-wrap: wrap;
      justify-content: center;
    }
    .nav-links a {
      font-size: 15px;
      font-weight: 500;
      color: var(--accent);
      letter-spacing: 0.3px;
      position: relative;
      padding: 6px 0;
      white-space: nowrap;
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: width 0.3s ease;
    }
    .nav-links a:hover::after {
      width: 100%;
    }
    .section {
      padding: 70px 24px;
    }
    .container {
      max-width: 1280px;
      margin: 0 auto;
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      text-align: center;
      margin-bottom: 12px;
      background: linear-gradient(135deg, var(--accent), var(--primary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      letter-spacing: 1px;
    }
    .section-subtitle {
      text-align: center;
      color: var(--primary);
      font-size: 15px;
      max-width: 760px;
      margin: 0 auto 48px;
    }
    .hero-section {
      position: relative;
      padding: 64px 24px 72px;
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.96), rgba(30, 41, 59, 0.88)), url('/img/gateway.webp') center/cover no-repeat;
      text-align: center;
      border-bottom: 1px solid var(--border);
    }
    .hero-section h1 {
      font-size: 38px;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 20px;
      color: var(--accent);
      text-shadow: 0 0 30px rgba(148, 163, 184, 0.3);
    }
    .geo-intro {
      max-width: 920px;
      margin: 0 auto;
      color: var(--primary);
      font-size: 15px;
      line-height: 1.9;
      text-align: left;
      padding: 24px 28px;
      background: rgba(15, 23, 42, 0.5);
      border: 1px solid var(--border);
      border-radius: 16px;
    }
    .card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 28px;
      position: relative;
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    .card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(90deg, transparent, var(--primary), transparent);
    }
    .card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
    }
    .grid {
      display: grid;
      gap: 24px;
    }
    .grid-2 {
      grid-template-columns: repeat(2, 1fr);
    }
    .grid-3 {
      grid-template-columns: repeat(3, 1fr);
    }
    .grid-4 {
      grid-template-columns: repeat(4, 1fr);
    }
    .grid-7 {
      grid-template-columns: repeat(4, 1fr);
    }
    @media (max-width: 992px) {
      .grid-3,
      .grid-4,
      .grid-7 {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 576px) {
      .grid-2,
      .grid-3,
      .grid-4,
      .grid-7 {
        grid-template-columns: 1fr;
      }
      .hero-section h1 {
        font-size: 28px;
      }
      .nav-container {
        height: auto;
        padding: 12px;
      }
      .nav-links {
        gap: 12px;
        flex-direction: column;
      }
    }
    .stats-item {
      text-align: center;
      padding: 32px 16px;
    }
    .stats-item .num {
      font-size: 42px;
      font-weight: 700;
      background: linear-gradient(135deg, var(--accent), var(--primary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      display: block;
      margin-bottom: 6px;
    }
    .stats-item .label {
      color: var(--primary);
      font-size: 14px;
      letter-spacing: 1px;
    }
    .advantage-icon {
      font-size: 36px;
      margin-bottom: 16px;
      text-align: center;
    }
    .advantage-card {
      text-align: center;
    }
    .advantage-card h3 {
      font-size: 18px;
      margin-bottom: 10px;
      color: var(--accent);
    }
    .advantage-card p {
      color: var(--primary);
      font-size: 14px;
      line-height: 1.7;
    }
    .event-card {
      position: relative;
      border-radius: 16px;
      overflow: hidden;
      border: 1px solid var(--border);
      background: var(--card-bg);
      min-height: 220px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 20px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    .event-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
    }
    .event-card img {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.35;
    }
    .event-card .content {
      position: relative;
      z-index: 1;
    }
    .event-card .content h3 {
      font-size: 18px;
      margin-bottom: 4px;
    }
    .event-card .content p {
      color: var(--primary);
      font-size: 13px;
      margin-bottom: 10px;
    }
    .news-card {
      display: flex;
      gap: 20px;
      padding: 20px;
      border-radius: 14px;
      background: var(--card-bg);
      border: 1px solid var(--border);
      margin-bottom: 16px;
      transition: background 0.3s ease, transform 0.2s;
    }
    .news-card:hover {
      background: rgba(148, 163, 184, 0.15);
      transform: translateX(4px);
    }
    .news-card img {
      width: 180px;
      height: 120px;
      object-fit: cover;
      border-radius: 10px;
      flex-shrink: 0;
    }
    .news-card .news-content {
      flex: 1;
    }
    .news-date {
      font-size: 13px;
      color: var(--primary);
      background: rgba(148, 163, 184, 0.1);
      padding: 2px 10px;
      border-radius: 20px;
      display: inline-block;
      margin-bottom: 8px;
    }
    .news-card h3 {
      font-size: 18px;
      margin-bottom: 6px;
      line-height: 1.4;
    }
    .news-card h3 a {
      color: var(--accent);
    }
    .news-card h3 a:hover {
      color: var(--primary);
    }
    .news-card p {
      color: var(--primary);
      font-size: 14px;
      line-height: 1.7;
    }
    @media (max-width: 576px) {
      .news-card {
        flex-direction: column;
      }
      .news-card img {
        width: 100%;
        height: 180px;
      }
    }
    .brand-content {
      display: flex;
      gap: 40px;
      align-items: center;
      flex-wrap: wrap;
    }
    .brand-content img {
      flex: 0 0 400px;
      border-radius: 16px;
      border: 1px solid var(--border);
      box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    }
    .brand-text {
      flex: 1;
      min-width: 280px;
    }
    .brand-text p {
      color: var(--primary);
      margin-bottom: 16px;
      font-size: 15px;
      line-height: 1.9;
    }
    @media (max-width: 768px) {
      .brand-content {
        flex-direction: column;
      }
      .brand-content img {
        flex: 0 0 auto;
        width: 100%;
      }
    }
    .coverage-list {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 32px;
    }
    @media (max-width: 768px) {
      .coverage-list {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    .coverage-item {
      text-align: center;
      padding: 24px 16px;
      border-radius: 14px;
      background: var(--card-bg);
      border: 1px solid var(--border);
    }
    .coverage-item .icon {
      font-size: 32px;
      margin-bottom: 12px;
    }
    .coverage-item .label {
      color: var(--accent);
      font-weight: 600;
      font-size: 15px;
    }
    .coverage-item .desc {
      color: var(--primary);
      font-size: 13px;
      margin-top: 6px;
    }
    .testimonial-card {
      text-align: center;
      padding: 32px 24px;
    }
    .testimonial-card .quote {
      font-size: 15px;
      color: var(--accent);
      line-height: 1.8;
      font-style: italic;
      margin-bottom: 16px;
    }
    .testimonial-card .author {
      color: var(--primary);
      font-size: 14px;
    }
    .partner-row {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 32px;
      margin-top: 24px;
    }
    .partner-item {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 14px 24px;
      border-radius: 12px;
      background: rgba(148, 163, 184, 0.08);
      border: 1px solid var(--border);
      color: var(--accent);
      font-size: 14px;
      font-weight: 500;
    }
    .partner-item img {
      width: 28px;
      height: 28px;
      object-fit: contain;
    }
    .download-section {
      background: linear-gradient(135deg, rgba(148, 163, 184, 0.08), rgba(15, 23, 42, 0.7));
    }
    .download-box {
      display: flex;
      align-items: center;
      gap: 40px;
      flex-wrap: wrap;
      justify-content: center;
      text-align: left;
    }
    .download-box img {
      width: 200px;
      border-radius: 16px;
      border: 1px solid var(--border);
    }
    .download-box .download-info {
      max-width: 520px;
    }
    .download-box .download-info h3 {
      font-size: 24px;
      margin-bottom: 10px;
    }
    .download-box .download-info p {
      color: var(--primary);
      margin-bottom: 16px;
    }
    .btn {
      display: inline-block;
      padding: 12px 28px;
      border-radius: 30px;
      background: linear-gradient(135deg, var(--primary), var(--dark));
      color: #fff;
      font-weight: 600;
      font-size: 14px;
      border: 1px solid var(--border);
      transition: all 0.3s ease;
      cursor: pointer;
      letter-spacing: 1px;
    }
    .btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(148, 163, 184, 0.3);
      color: #fff;
    }
    .faq-item {
      margin-bottom: 16px;
      border-radius: 12px;
      background: var(--card-bg);
      border: 1px solid var(--border);
      padding: 24px;
    }
    .faq-item h3 {
      font-size: 18px;
      color: var(--accent);
      margin-bottom: 10px;
      font-weight: 600;
    }
    .faq-item p {
      color: var(--primary);
      font-size: 14px;
      line-height: 1.8;
    }
    .cta-section {
      text-align: center;
      padding: 64px 24px;
      background: linear-gradient(135deg, rgba(148, 163, 184, 0.12), rgba(15, 23, 42, 0.85));
      border-top: 1px solid var(--border);
    }
    .cta-section h2 {
      font-size: 30px;
      margin-bottom: 14px;
    }
    .cta-section p {
      color: var(--primary);
      max-width: 600px;
      margin: 0 auto 24px;
    }
    .site-footer {
      background: #0b1220;
      border-top: 1px solid var(--border);
      padding: 48px 24px 24px;
      color: var(--primary);
      font-size: 14px;
    }
    .footer-inner {
      max-width: 1280px;
      margin: 0 auto;
      display: flex;
      flex-wrap: wrap;
      gap: 40px;
      justify-content: space-between;
    }
    .footer-col h4 {
      color: var(--accent);
      font-size: 16px;
      margin-bottom: 14px;
      font-weight: 600;
    }
    .footer-col a {
      display: block;
      color: var(--primary);
      margin-bottom: 8px;
      font-size: 13px;
    }
    .footer-col a:hover {
      color: var(--accent);
    }
    .footer-bottom {
      max-width: 1280px;
      margin: 32px auto 0;
      padding-top: 18px;
      border-top: 1px solid rgba(148, 163, 184, 0.15);
      text-align: center;
      font-size: 13px;
      color: var(--primary);
    }
    .footer-bottom a {
      color: var(--primary);
      margin: 0 8px;
    }
    .footer-bottom a:hover {
      color: var(--accent);
    }
    @media (max-width: 768px) {
      .footer-inner {
        flex-direction: column;
        gap: 24px;
      }
    }