* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
  }
  body {
    background: linear-gradient(135deg, #0c4a6e 0%, #082f49 100%);
    color: #e2e8f0;
    line-height: 1.6;
    overflow-x: hidden;
  }
  a {
    color: #67e8f9;
    text-decoration: none;
    transition: color 0.3s ease;
  }
  a:hover {
    color: #ffffff;
  }
  img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
  }
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(8, 47, 73, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(103, 232, 249, 0.15);
  }
  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    max-width: 1280px;
    margin: 0 auto;
  }
  .nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
    flex-wrap: wrap;
  }
  .nav-links a {
    font-weight: 500;
    letter-spacing: 0.3px;
    padding: 6px 4px;
    position: relative;
    font-size: 15px;
  }
  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: #67e8f9;
    transform: scaleX(0);
    transition: transform 0.3s ease;
    border-radius: 2px;
  }
  .nav-links a:hover::after {
    transform: scaleX(1);
  }
  .hero {
    padding: 140px 0 80px;
    position: relative;
    overflow: hidden;
    background: radial-gradient(ellipse at 70% 20%, rgba(103, 232, 249, 0.15) 0%, transparent 50%), linear-gradient(135deg, #0c4a6e, #082f49);
  }
  .hero::before {
    content: '';
    position: absolute;
    top: -40%;
    left: -20%;
    width: 60%;
    height: 80%;
    background: radial-gradient(circle, rgba(103, 232, 249, 0.1), transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
  }
  @keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
  }
  .hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
  }
  .hero h1 {
    font-size: 36px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.3;
    margin-bottom: 20px;
    letter-spacing: 1px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  }
  .hero p {
    color: #bae6fd;
    font-size: 15px;
    margin-bottom: 28px;
    max-width: 560px;
  }
  .btn {
    display: inline-block;
    background: linear-gradient(135deg, #67e8f9, #22d3ee);
    color: #082f49;
    font-weight: 600;
    padding: 12px 32px;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(34, 211, 238, 0.3);
  }
  .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(34, 211, 238, 0.5);
    color: #082f49;
  }
  .hero-image {
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(103, 232, 249, 0.2);
    width: 100%;
    height: 300px;
    object-fit: cover;
  }
  .section {
    padding: 80px 0;
  }
  .section-alt {
    background: rgba(255, 255, 255, 0.03);
  }
  .section-title {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
    letter-spacing: 1px;
  }
  .section-subtitle {
    text-align: center;
    color: #94a3b8;
    font-size: 15px;
    margin-bottom: 48px;
  }
  .geo-intro {
    padding: 60px 0;
    background: rgba(255, 255, 255, 0.02);
  }
  .geo-intro .container {
    max-width: 960px;
  }
  .geo-intro p {
    font-size: 17px;
    color: #bae6fd;
    text-align: center;
    line-height: 1.9;
  }
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .stat-card {
    background: linear-gradient(135deg, rgba(103, 232, 249, 0.12), rgba(255, 255, 255, 0.04));
    padding: 32px 20px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(103, 232, 249, 0.15);
    transition: transform 0.3s ease;
    backdrop-filter: blur(8px);
  }
  .stat-card:hover {
    transform: translateY(-6px);
  }
  .stat-number {
    font-size: 40px;
    font-weight: 800;
    color: #67e8f9;
    margin-bottom: 8px;
  }
  .stat-label {
    color: #94a3b8;
    font-size: 14px;
  }
  .advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .advantage-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 28px 24px;
    border-radius: 12px;
    border-left: 3px solid #67e8f9;
    transition: all 0.3s ease;
  }
  .advantage-card:hover {
    background: rgba(103, 232, 249, 0.1);
    transform: translateX(6px);
  }
  .advantage-icon {
    font-size: 32px;
    margin-bottom: 16px;
  }
  .advantage-card h3 {
    color: #ffffff;
    font-size: 18px;
    margin-bottom: 10px;
  }
  .advantage-card p {
    color: #94a3b8;
    font-size: 14px;
  }
  .brand-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
  }
  .brand-content img {
    width: 100%;
    height: 260px;
    object-fit: cover;
    border-radius: 16px;
  }
  .brand-content h3 {
    color: #ffffff;
    font-size: 26px;
    margin-bottom: 16px;
  }
  .brand-content p {
    color: #bae6fd;
    font-size: 15px;
    line-height: 1.8;
  }
  .events-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .event-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
  }
  .event-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(103, 232, 249, 0.3);
  }
  .event-card img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 0;
  }
  .event-card-body {
    padding: 20px;
  }
  .event-card h3 {
    color: #ffffff;
    font-size: 16px;
    margin-bottom: 8px;
  }
  .event-card p {
    color: #94a3b8;
    font-size: 13px;
  }
  .rank-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .rank-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: rgba(255, 255, 255, 0.04);
    padding: 16px 20px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.05);
  }
  .rank-num {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #67e8f9, #22d3ee);
    color: #082f49;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
  }
  .rank-info {
    flex: 1;
  }
  .rank-info h4 {
    color: #ffffff;
    font-size: 16px;
  }
  .rank-info p {
    color: #94a3b8;
    font-size: 13px;
  }
  .testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .testimonial-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 28px;
    border-radius: 12px;
    border: 1px solid rgba(103, 232, 249, 0.1);
  }
  .testimonial-card p {
    color: #bae6fd;
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 16px;
  }
  .testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .testimonial-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #67e8f9, #22d3ee);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: #082f49;
    font-size: 14px;
  }
  .testimonial-author span {
    color: #e2e8f0;
    font-size: 14px;
    font-weight: 500;
  }
  .coverage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .coverage-card {
    background: rgba(255, 255, 255, 0.04);
    padding: 24px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
  }
  .coverage-card .material-icons {
    font-size: 36px;
    margin-bottom: 12px;
  }
  .coverage-card h4 {
    color: #ffffff;
    margin-bottom: 8px;
  }
  .coverage-card p {
    color: #94a3b8;
    font-size: 14px;
  }
  .partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    align-items: center;
  }
  .partner-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
  }
  .partner-item:hover {
    border-color: rgba(103, 232, 249, 0.4);
  }
  .partner-item img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto;
  }
  .faq-section {
    max-width: 860px;
    margin: 0 auto;
  }
  .faq-item {
    margin-bottom: 16px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    transition: border-color 0.3s;
  }
  .faq-item:hover {
    border-color: rgba(103, 232, 249, 0.3);
  }
  .faq-question {
    padding: 20px 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    color: #ffffff;
    font-size: 16px;
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
  }
  .faq-icon {
    width: 20px;
    height: 20px;
    position: relative;
    flex-shrink: 0;
  }
  .faq-icon::before, .faq-icon::after {
    content: '';
    position: absolute;
    background: #67e8f9;
    border-radius: 2px;
    transition: all 0.3s ease;
  }
  .faq-icon::before {
    width: 20px;
    height: 2px;
    top: 9px;
    left: 0;
  }
  .faq-icon::after {
    width: 2px;
    height: 20px;
    top: 0;
    left: 9px;
  }
  .faq-item.active .faq-icon::after {
    transform: scaleY(0);
  }
  .faq-answer {
    padding: 0 24px 20px;
    color: #94a3b8;
    font-size: 14px;
    line-height: 1.9;
    display: none;
  }
  .faq-item.active .faq-answer {
    display: block;
  }
  .news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .news-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
  }
  .news-card:hover {
    transform: translateY(-6px);
    border-color: rgba(103, 232, 249, 0.3);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
  }
  .news-card img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 0;
  }
  .news-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .news-date {
    color: #67e8f9;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
  }
  .news-body h3 {
    color: #ffffff;
    font-size: 16px;
    line-height: 1.4;
    margin-bottom: 10px;
  }
  .news-body p {
    color: #94a3b8;
    font-size: 14px;
    line-height: 1.7;
    flex: 1;
  }
  .news-more {
    margin-top: 12px;
    color: #67e8f9;
    font-size: 14px;
    font-weight: 500;
  }
  .site-footer {
    background: rgba(4, 32, 52, 0.9);
    padding: 48px 0 24px;
    border-top: 1px solid rgba(103, 232, 249, 0.1);
  }
  .footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-bottom: 32px;
  }
  .footer-section h4 {
    color: #ffffff;
    font-size: 18px;
    margin-bottom: 16px;
  }
  .footer-section p {
    color: #94a3b8;
    font-size: 14px;
    line-height: 1.8;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    text-align: center;
    color: #64748b;
    font-size: 13px;
  }
  .footer-bottom a {
    color: #67e8f9;
    margin: 0 6px;
  }
  .footer-links {
    margin-bottom: 12px;
  }
  @media (max-width: 992px) {
    .hero-inner {
      grid-template-columns: 1fr;
      text-align: center;
    }
    .hero-image {
      height: 200px;
    }
    .stats-grid, .advantages-grid, .events-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .brand-content {
      grid-template-columns: 1fr;
    }
    .testimonials-grid, .coverage-grid, .news-grid {
      grid-template-columns: 1fr;
    }
    .partners-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }
  @media (max-width: 576px) {
    .nav-links {
      gap: 12px;
      font-size: 13px;
    }
    .hero h1 {
      font-size: 26px;
    }
    .stats-grid, .advantages-grid, .events-grid {
      grid-template-columns: 1fr;
    }
    .partners-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }