* {
    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;
  }
  html, body {
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
    background: #0b1120;
    color: #e2e8f0;
    line-height: 1.7;
    overflow-x: hidden;
  }
  h1, h2, h3, h4, h5, h6, p, a, span, div, section, li, ul, ol, article, aside, footer, header, nav, main, button, input, textarea {
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
  }
  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
  }
  a {
    text-decoration: none;
    color: #14b8a6;
    transition: all .3s;
  }
  a:hover {
    color: #a855f7;
  }

  /* Header & Nav */
  .site-header {
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(20, 184, 166, 0.2);
    padding: 16px 0;
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
  }
  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, #14b8a6, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .logo img {
    width: 36px;
    height: 36px;
    border-radius: 10px;
  }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
  }
  .nav-links a {
    font-weight: 600;
    font-size: 0.95rem;
    color: #cbd5e1;
    position: relative;
    padding: 4px 0;
  }
  .nav-links a:hover {
    color: #14b8a6;
  }
  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #14b8a6, #a855f7);
    transition: width .3s;
  }
  .nav-links a:hover::after {
    width: 100%;
  }

  /* Hero Section */
  .hero-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 40%, #0b1120 100%);
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
    text-align: center;
  }
  .hero-section::before {
    content: '';
    position: absolute;
    top: -200px;
    left: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.3), transparent 70%);
    border-radius: 50%;
  }
  .hero-section::after {
    content: '';
    position: absolute;
    bottom: -200px;
    right: -200px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.3), transparent 70%);
    border-radius: 50%;
  }
  .hero-content {
    position: relative;
    z-index: 2;
  }
  .hero-content h1 {
    font-size: 2.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, #14b8a6, #a855f7, #14b8a6);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: flowGradient 4s ease infinite;
    margin-bottom: 24px;
    line-height: 1.3;
  }
  @keyframes flowGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }
  .hero-content p {
    font-size: 1.15rem;
    color: #94a3b8;
    max-width: 800px;
    margin: 0 auto 36px;
    line-height: 1.8;
  }
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(20, 184, 166, 0.15);
    border: 1px solid rgba(20, 184, 166, 0.4);
    padding: 8px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #14b8a6;
    margin: 0 6px 12px;
  }

  /* Geo Intro */
  .geo-section {
    padding: 60px 0;
    background: linear-gradient(180deg, #0b1120, #0f1a2e);
  }
  .geo-section p {
    font-size: 1rem;
    color: #cbd5e1;
    line-height: 1.9;
    background: rgba(15, 23, 42, 0.7);
    border-left: 3px solid #14b8a6;
    padding: 20px 28px;
    border-radius: 0 16px 16px 0;
  }

  /* Section Common */
  .section-padding {
    padding: 80px 0;
  }
  .section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #14b8a6, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .section-subtitle {
    text-align: center;
    color: #94a3b8;
    font-size: 1rem;
    margin-bottom: 48px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
  }

  /* Aurora Card */
  .aurora-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
  }
  .aurora-card {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 27, 75, 0.8));
    border: 1px solid rgba(20, 184, 166, 0.15);
    border-radius: 20px;
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: transform .3s, box-shadow .3s;
  }
  .aurora-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(20, 184, 166, 0.1), rgba(168, 85, 247, 0.1), transparent);
    animation: shine 6s ease infinite;
  }
  @keyframes shine {
    0% { transform: translateX(-30%) translateY(-30%); }
    50% { transform: translateX(30%) translateY(30%); }
    100% { transform: translateX(-30%) translateY(-30%); }
  }
  .aurora-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(20, 184, 166, 0.1);
  }
  .aurora-card .icon {
    font-size: 2.4rem;
    margin-bottom: 16px;
  }
  .aurora-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #f1f5f9;
    margin-bottom: 12px;
  }
  .aurora-card p {
    font-size: 0.9rem;
    color: #94a3b8;
    line-height: 1.7;
  }

  /* Data Stats */
  .stats-section {
    background: linear-gradient(135deg, #0f172a, #1a1033);
    padding: 80px 0;
  }
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    text-align: center;
  }
  .stat-item {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(20, 184, 166, 0.2);
    border-radius: 20px;
    padding: 40px 20px;
  }
  .stat-item .num {
    font-size: 2.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, #14b8a6, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .stat-item .label {
    font-size: 0.9rem;
    color: #94a3b8;
    margin-top: 8px;
  }

  /* Brand Story */
  .brand-section {
    padding: 80px 0;
    background: #0b1120;
  }
  .brand-wrapper {
    display: flex;
    gap: 48px;
    align-items: center;
    flex-wrap: wrap;
  }
  .brand-wrapper .text {
    flex: 1;
    min-width: 300px;
  }
  .brand-wrapper .text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #f1f5f9;
  }
  .brand-wrapper .text p {
    color: #94a3b8;
    margin-bottom: 16px;
    line-height: 1.8;
  }
  .brand-wrapper .image {
    flex: 1;
    min-width: 280px;
    text-align: center;
  }
  .brand-wrapper .image img {
    max-width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  }

  /* Featured Events */
  .events-section {
    background: linear-gradient(180deg, #0f1a2e, #0b1120);
    padding: 80px 0;
  }
  .event-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
  }
  .event-item {
    display: flex;
    align-items: center;
    gap: 24px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(20, 184, 166, 0.15);
    border-radius: 16px;
    padding: 20px 24px;
    transition: background .3s;
  }
  .event-item:hover {
    background: rgba(20, 184, 166, 0.08);
  }
  .event-item .date-badge {
    text-align: center;
    min-width: 80px;
    flex-shrink: 0;
  }
  .event-item .date-badge .day {
    font-size: 1.8rem;
    font-weight: 800;
    color: #14b8a6;
    line-height: 1;
  }
  .event-item .date-badge .month {
    font-size: 0.75rem;
    color: #64748b;
    text-transform: uppercase;
  }
  .event-item .info {
    flex: 1;
  }
  .event-item .info h4 {
    font-size: 1.05rem;
    color: #e2e8f0;
    margin-bottom: 4px;
  }
  .event-item .info p {
    font-size: 0.85rem;
    color: #64748b;
  }
  .event-item .status {
    background: rgba(20, 184, 166, 0.15);
    color: #14b8a6;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
  }

  /* News List */
  .news-section {
    background: #0b1120;
    padding: 80px 0;
  }
  .news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 32px;
    max-width: 1280px;
    margin: 0 auto;
  }
  .news-card {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(23, 30, 50, 0.9));
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(20, 184, 166, 0.1);
    transition: transform .3s, box-shadow .3s;
    display: flex;
    flex-direction: column;
  }
  .news-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4);
  }
  .news-card .thumb {
    width: 100%;
    height: 200px;
    overflow: hidden;
  }
  .news-card .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s;
  }
  .news-card:hover .thumb img {
    transform: scale(1.05);
  }
  .news-card .content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
  }
  .news-card .date {
    font-size: 0.85rem;
    color: #14b8a6;
    font-weight: 600;
    margin-bottom: 8px;
  }
  .news-card .tag {
    display: inline-block;
    background: linear-gradient(135deg, #14b8a6, #a855f7);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 20px;
    margin-left: 8px;
    vertical-align: middle;
  }
  .news-card .tag a {
    color: #fff;
  }
  .news-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 12px;
  }
  .news-card h3 a {
    color: #f1f5f9;
  }
  .news-card h3 a:hover {
    color: #14b8a6;
  }
  .news-card .summary {
    font-size: 0.88rem;
    color: #94a3b8;
    line-height: 1.7;
    flex-grow: 1;
  }
  .news-card .read-more {
    margin-top: 16px;
    font-weight: 600;
    font-size: 0.85rem;
    color: #14b8a6;
    display: inline-flex;
    align-items: center;
    gap: 4px;
  }

  /* Rankings */
  .rankings-section {
    background: linear-gradient(135deg, #0f172a, #1a1033);
    padding: 80px 0;
  }
  .rank-table {
    max-width: 800px;
    margin: 0 auto;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(20, 184, 166, 0.2);
  }
  .rank-row {
    display: grid;
    grid-template-columns: 60px 1fr 100px 80px;
    padding: 16px 24px;
    background: rgba(15, 23, 42, 0.8);
    border-bottom: 1px solid rgba(20, 184, 166, 0.08);
    align-items: center;
  }
  .rank-row.header {
    background: rgba(20, 184, 166, 0.15);
    font-weight: 700;
    color: #14b8a6;
    font-size: 0.85rem;
  }
  .rank-row .team {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .rank-row .team img {
    width: 28px;
    height: 28px;
    border-radius: 50%;
  }
  .rank-row .pts {
    font-weight: 700;
    color: #14b8a6;
  }
  .rank-row .wins {
    color: #94a3b8;
  }

  /* Testimonials */
  .testimonial-section {
    background: #0b1120;
    padding: 80px 0;
  }
  .testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
  }
  .testimonial-card {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(168, 85, 247, 0.2);
    border-radius: 20px;
    padding: 32px;
    position: relative;
  }
  .testimonial-card .quote {
    font-size: 1rem;
    color: #cbd5e1;
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
  }
  .testimonial-card .author {
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .testimonial-card .author .avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #14b8a6, #a855f7);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #fff;
    font-size: 1rem;
  }
  .testimonial-card .author .name {
    font-weight: 600;
    color: #e2e8f0;
    font-size: 0.95rem;
  }
  .testimonial-card .author .role {
    font-size: 0.8rem;
    color: #64748b;
  }

  /* Download */
  .download-section {
    background: linear-gradient(135deg, #0f172a, #14b8a6, #0f172a);
    background-size: 300% 300%;
    animation: flowBg 8s ease infinite;
    padding: 80px 0;
    text-align: center;
  }
  @keyframes flowBg {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }
  .download-section h2 {
    font-size: 2.2rem;
    color: #fff;
    margin-bottom: 16px;
    text-shadow: 0 2px 10px rgba(0,0,0,.3);
  }
  .download-section p {
    color: #e0f2fe;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }
  .btn-group {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #0f172a;
    color: #fff;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all .3s;
  }
  .btn:hover {
    background: #a855f7;
    transform: translateY(-2px);
  }
  .btn img {
    width: 20px;
    height: 20px;
    border-radius: 4px;
  }

  /* CTA */
  .cta-section {
    background: linear-gradient(135deg, #1a1033, #0f172a);
    padding: 100px 0;
    text-align: center;
  }
  .cta-section h2 {
    font-size: 2.4rem;
    color: #f1f5f9;
    margin-bottom: 16px;
  }
  .cta-section p {
    color: #94a3b8;
    max-width: 600px;
    margin: 0 auto 32px;
  }
  .cta-btn {
    display: inline-block;
    background: linear-gradient(135deg, #14b8a6, #a855f7);
    color: #fff;
    padding: 16px 48px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    transition: transform .3s;
  }
  .cta-btn:hover {
    transform: translateY(-4px) scale(1.03);
    color: #fff;
  }

  /* FAQ */
  .faq-section {
    background: #0b1120;
    padding: 80px 0;
  }
  .faq-box {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .faq-item {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(20, 184, 166, 0.1);
    border-radius: 16px;
    padding: 24px 32px;
  }
  .faq-item h3 {
    font-size: 1.05rem;
    color: #e2e8f0;
    font-weight: 700;
    margin-bottom: 12px;
    padding-left: 12px;
    border-left: 3px solid #14b8a6;
  }
  .faq-item p {
    font-size: 0.95rem;
    color: #94a3b8;
    line-height: 1.8;
  }

  /* Footer */
  .site-footer {
    background: #0a0f1a;
    padding: 60px 0 30px;
    border-top: 1px solid rgba(20, 184, 166, 0.15);
  }
  .footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
  }
  .footer-col h4 {
    font-size: 1.1rem;
    color: #f1f5f9;
    margin-bottom: 20px;
  }
  .footer-col p {
    font-size: 0.9rem;
    color: #94a3b8;
    line-height: 1.8;
    margin-bottom: 8px;
  }
  .footer-col a {
    display: block;
    font-size: 0.9rem;
    color: #94a3b8;
    padding: 4px 0;
  }
  .footer-col a:hover {
    color: #14b8a6;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    margin-top: 40px;
    padding-top: 24px;
    text-align: center;
    font-size: 0.85rem;
    color: #64748b;
  }
  .footer-bottom .links {
    margin-bottom: 12px;
  }
  .footer-bottom .links a {
    color: #94a3b8;
    margin: 0 8px;
  }
  .footer-bottom .links a:hover {
    color: #14b8a6;
  }

  @media (max-width: 768px) {
    .hero-content h1 {
      font-size: 1.8rem;
    }
    .header-inner {
      flex-direction: column;
      text-align: center;
    }
    .nav-links {
      justify-content: center;
      gap: 16px;
    }
    .news-grid {
      grid-template-columns: 1fr;
    }
    .brand-wrapper {
      flex-direction: column;
    }
    .event-item {
      flex-wrap: wrap;
    }
  }