:root{
  --bg-a:#0f172a;
  --bg-b:#020617;
  --cyan:#22d3ee;
  --cyan-soft:#67e8f9;
  --cyan-deep:#0e7490;
  --text:#cbd5e1;
  --text-dim:#94a3b8;
  --white:#f8fafc;
  --card:rgba(15,23,42,.72);
  --card-2:rgba(2,6,23,.66);
  --border:rgba(34,211,238,.18);
  --border-soft:rgba(148,163,184,.14);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
  background:linear-gradient(170deg,#0f172a 0%,#0b1222 40%,#020617 78%,#000208 100%);
  background-attachment:fixed;
  color:var(--text);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,li,figure,blockquote{margin:0;padding:0;}
a{color:var(--cyan-soft);text-decoration:none;transition:color .25s ease;}
a:hover{color:#fff;}
img{max-width:100%;display:block;border-radius:14px;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 22px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:99;
  background:rgba(2,6,23,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-soft);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:14px 22px;max-width:1180px;margin:0 auto;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--white);letter-spacing:.5px;}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);}
.nav-links{display:flex;flex-wrap:wrap;gap:6px;}
.nav-links a{
  display:inline-block;padding:7px 14px;border-radius:999px;
  font-size:14.5px;color:var(--text-dim);border:1px solid transparent;
}
.nav-links a:hover{
  color:var(--cyan);border-color:var(--border);background:rgba(34,211,238,.07);
}
.nav-links a:first-child{color:var(--cyan);font-weight:600;}

/* ---------- 通用区块 ---------- */
section{padding:64px 0;}
.sec-head{margin-bottom:34px;text-align:center;}
.sec-head h2{
  font-size:clamp(22px,3vw,30px);color:var(--white);font-weight:700;letter-spacing:.5px;
}
.sec-head h2::after{
  content:"";display:block;width:56px;height:3px;margin:14px auto 0;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),rgba(34,211,238,0));
}
.sec-head p{color:var(--text-dim);font-size:15px;margin-top:12px;}

/* ---------- Hero ---------- */
#hero{
  padding:74px 0 54px;
  background:radial-gradient(circle at 20% 0%,rgba(34,211,238,.13),transparent 55%),
             radial-gradient(circle at 88% 30%,rgba(14,116,144,.16),transparent 58%);
  border-bottom:1px solid var(--border-soft);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
h1{
  font-size:clamp(24px,3.6vw,40px);
  line-height:1.35;color:var(--white);font-weight:800;letter-spacing:.5px;
}
h1 .hl{
  background:linear-gradient(90deg,#22d3ee,#67e8f9 55%,#e2e8f0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:20px;color:var(--text-dim);font-size:15.5px;max-width:620px;}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;}
.btn{
  display:inline-block;padding:12px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid var(--border);color:var(--cyan);
  background:rgba(34,211,238,.08);transition:.28s;
}
.btn:hover{background:rgba(34,211,238,.2);color:#fff;box-shadow:0 0 22px rgba(34,211,238,.28);}
.btn.solid{background:linear-gradient(120deg,#0891b2,#22d3ee);color:#001018;border:none;}
.btn.solid:hover{box-shadow:0 0 26px rgba(34,211,238,.45);color:#001018;}
.hero-figure{position:relative;}
.hero-figure img{
  border:1px solid var(--border);box-shadow:0 26px 60px rgba(2,6,23,.85);
}
.hero-badge{
  position:absolute;bottom:-16px;left:-14px;
  background:rgba(2,6,23,.92);border:1px solid var(--border);border-radius:14px;
  padding:10px 18px;font-size:13.5px;color:var(--cyan-soft);
  box-shadow:0 12px 30px rgba(0,0,0,.6);
}

/* ---------- GEO ---------- */
#geo-intro{padding:56px 0 20px;}
.geo-box{
  background:linear-gradient(160deg,var(--card),var(--card-2));
  border:1px solid var(--border);border-radius:20px;padding:34px 34px 30px;
  box-shadow:0 18px 46px rgba(2,6,23,.6);
}
.geo-box p{color:var(--text);font-size:16px;line-height:2.05;}
.geo-box p + p{margin-top:16px;}

/* ---------- 数据统计 ---------- */
#data-stats{padding:54px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-card{
  background:linear-gradient(160deg,var(--card),var(--card-2));
  border:1px solid var(--border-soft);border-radius:18px;padding:26px 20px;text-align:center;
  transition:.28s;
}
.stat-card:hover{border-color:var(--border);transform:translateY(-4px);box-shadow:0 16px 34px rgba(2,6,23,.7);}
.stat-num{
  font-size:clamp(24px,3vw,32px);font-weight:800;
  background:linear-gradient(90deg,#22d3ee,#a5f3fc);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{margin-top:8px;font-size:14px;color:var(--text-dim);}

/* ---------- 核心优势 ---------- */
#core-advantages{padding:60px 0;}
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.adv-card{
  background:linear-gradient(165deg,rgba(15,23,42,.8),rgba(2,6,23,.72));
  border:1px solid var(--border-soft);border-radius:18px;padding:28px 24px;transition:.3s;
}
.adv-card:hover{border-color:var(--border);box-shadow:0 0 0 1px rgba(34,211,238,.12),0 20px 44px rgba(2,6,23,.72);}
.adv-icon{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  font-size:22px;background:rgba(34,211,238,.1);border:1px solid var(--border);margin-bottom:16px;
}
.adv-card h3{font-size:17px;color:var(--white);font-weight:700;margin-bottom:10px;}
.adv-card p{font-size:14.5px;color:var(--text-dim);line-height:1.9;}

/* ---------- 焦点赛事 ---------- */
#featured-events{padding:60px 0;}
.event-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.event-card{
  display:flex;gap:20px;align-items:center;
  background:linear-gradient(150deg,rgba(15,23,42,.85),rgba(2,6,23,.7));
  border:1px solid var(--border-soft);border-radius:18px;padding:20px;transition:.3s;
}
.event-card:hover{border-color:var(--border);transform:translateY(-3px);}
.event-card img{width:104px;height:104px;object-fit:cover;flex:0 0 104px;border:1px solid var(--border-soft);}
.event-card h3{font-size:16.5px;color:var(--white);margin-bottom:8px;}
.event-card p{font-size:14px;color:var(--text-dim);line-height:1.85;}
.tag{
  display:inline-block;margin-bottom:8px;padding:2px 12px;border-radius:999px;font-size:12.5px;
  color:var(--cyan);background:rgba(34,211,238,.1);border:1px solid var(--border);
}

/* ---------- 新闻 ---------- */
#news-list{padding:60px 0;}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.news-item{
  background:linear-gradient(160deg,rgba(15,23,42,.82),rgba(2,6,23,.7));
  border:1px solid var(--border-soft);border-radius:18px;padding:26px 24px;transition:.3s;
}
.news-item:first-child{grid-column:1 / -1;}
.news-item:hover{border-color:var(--border);box-shadow:0 18px 40px rgba(2,6,23,.7);}
.news-date{
  display:inline-block;font-size:12.5px;color:var(--cyan-soft);letter-spacing:.6px;
  padding:3px 12px;border-radius:999px;border:1px solid var(--border);background:rgba(34,211,238,.07);
}
.news-item h3{font-size:17.5px;color:var(--white);margin:14px 0 10px;font-weight:700;line-height:1.55;}
.news-item p{font-size:14.5px;color:var(--text-dim);line-height:1.95;}

/* ---------- 排行 ---------- */
#rankings{padding:60px 0;}
.rank-table{width:100%;border-collapse:collapse;overflow:hidden;border-radius:16px;border:1px solid var(--border-soft);}
.rank-table th,.rank-table td{padding:14px 18px;font-size:14.5px;text-align:left;border-bottom:1px solid var(--border-soft);}
.rank-table th{background:rgba(34,211,238,.08);color:var(--cyan-soft);font-weight:600;letter-spacing:.4px;}
.rank-table td{color:var(--text-dim);}
.rank-table tbody tr:hover td{background:rgba(34,211,238,.05);color:var(--text);}
.rank-no{
  display:inline-flex;width:26px;height:26px;border-radius:8px;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;background:rgba(34,211,238,.12);color:var(--cyan);
}

/* ---------- 品牌故事 ---------- */
#brand-story{padding:60px 0;}
.story-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center;}
.story-grid img{border:1px solid var(--border);box-shadow:0 22px 52px rgba(2,6,23,.8);}
.story-text p{font-size:15px;color:var(--text-dim);line-height:2.05;}
.story-text p + p{margin-top:16px;}
.story-text h2{font-size:clamp(21px,2.6vw,28px);color:var(--white);margin-bottom:18px;}

/* ---------- FAQ ---------- */
#faq{padding:60px 0;}
.faq-list{display:grid;gap:16px;}
.faq-item{
  background:linear-gradient(160deg,rgba(15,23,42,.82),rgba(2,6,23,.7));
  border:1px solid var(--border-soft);border-radius:16px;padding:24px 26px;transition:.3s;
}
.faq-item:hover{border-color:var(--border);}
.faq-q{
  font-size:16.5px;color:var(--white);font-weight:700;margin-bottom:12px;line-height:1.7;
  display:flex;gap:12px;align-items:flex-start;
}
.faq-q .qmark{color:var(--cyan);flex:0 0 auto;}
.faq-a{font-size:14.5px;color:var(--text-dim);line-height:2.0;padding-left:30px;}

/* ---------- CTA ---------- */
#cta{padding:70px 0;}
.cta-box{
  text-align:center;border-radius:24px;padding:56px 32px;
  background:radial-gradient(circle at 50% 0%,rgba(34,211,238,.16),transparent 62%),
             linear-gradient(160deg,rgba(15,23,42,.9),rgba(2,6,23,.9));
  border:1px solid var(--border);box-shadow:0 22px 54px rgba(2,6,23,.75);
}
.cta-box h2{font-size:clamp(21px,2.8vw,29px);color:var(--white);margin-bottom:16px;}
.cta-box p{color:var(--text-dim);font-size:15px;max-width:720px;margin:0 auto 28px;line-height:2;}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--border-soft);background:rgba(2,6,23,.9);
  padding:48px 0 26px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--white);margin-bottom:14px;}
.footer-brand .dot{width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);}
.footer-text{font-size:14px;color:var(--text-dim);line-height:2;}
.footer-col h4{font-size:15px;color:var(--white);margin-bottom:14px;letter-spacing:.5px;}
.footer-col p,.footer-col a{font-size:14px;color:var(--text-dim);line-height:2;display:block;}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:36px;padding-top:22px;border-top:1px solid var(--border-soft);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13.5px;color:#64748b;
}
.footer-bottom a{color:var(--cyan-soft);}

@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .adv-grid{grid-template-columns:repeat(2,1fr);}
  .event-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .story-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:600px){
  section{padding:44px 0;}
  .stats-grid{grid-template-columns:1fr;}
  .adv-grid{grid-template-columns:1fr;}
  .geo-box{padding:24px 20px;}
  .faq-a{padding-left:0;}
  .event-card{flex-direction:column;align-items:flex-start;}
  .event-card img{width:100%;height:150px;flex:0 0 auto;}
}