*{margin:0;padding:0;box-sizing:border-box}
:root{
  --blue:#1e40af;--ink:#0f172a;--cyan:#22d3ee;--silver:#e2e8f0;
  --glass:rgba(255,255,255,.055);--line:rgba(255,255,255,.09);
  --shadow:0 18px 40px rgba(2,6,23,.75);
  --gap:8px;--cardpad:12px;--sec:46px;--r:12px;--rim:8px;
}
html,body{scroll-behavior:smooth}
body{
  font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
  background:linear-gradient(160deg,#1e40af 0%,#122a6b 42%,#0f172a 100%);
  background-attachment:fixed;color:var(--silver);line-height:1.7;font-size:15px;
  overflow-x:hidden;
}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(700px 380px at 12% 8%,rgba(34,211,238,.16),transparent 65%),
             radial-gradient(620px 360px at 88% 22%,rgba(30,64,175,.35),transparent 70%),
             radial-gradient(800px 500px at 50% 100%,rgba(15,23,42,.9),transparent 70%);}
img{display:block;max-width:100%;border-radius:var(--rim)}
a{color:inherit;text-decoration:none}
.wrap{width:min(1180px,94%);margin:0 auto;position:relative;z-index:1}
h1,h2,h3{font-weight:700;letter-spacing:.5px}
.sec{padding:var(--sec) 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.sec-head h2{font-size:22px;color:#fff}
.sec-head h2::before{content:"";display:inline-block;width:6px;height:18px;margin-right:9px;border-radius:3px;
  background:linear-gradient(180deg,var(--cyan),var(--blue));vertical-align:-2px}
.sec-head p{font-size:13px;color:#94a3b8}
.tag{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;
  background:rgba(34,211,238,.14);border:1px solid rgba(34,211,238,.32);color:#7de9f7}
/* header */
header{position:sticky;top:0;z-index:50;background:rgba(9,17,38,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 0;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:18px;color:#fff}
.brand .dot{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--cyan),var(--blue));
  box-shadow:0 0 18px rgba(34,211,238,.45)}
.nav-links{display:flex;gap:16px;flex-wrap:wrap}
.nav-links a{font-size:14px;padding:5px 2px;color:#cbd5e1;border-bottom:2px solid transparent;transition:.25s}
.nav-links a:hover{color:#fff;border-color:var(--cyan)}
.btn{display:inline-block;padding:9px 20px;border-radius:10px;font-size:14px;font-weight:600;
  background:linear-gradient(135deg,#2563eb,#1e40af);color:#fff;box-shadow:0 10px 24px rgba(30,64,175,.55);transition:.25s}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(34,211,238,.35)}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.25);box-shadow:none}
/* hero */
.hero{position:relative;padding:58px 0 46px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:center}
.hero h1{font-size:clamp(26px,4.2vw,44px);color:#fff;line-height:1.25;
  text-shadow:0 6px 30px rgba(34,211,238,.25)}
.hero .sub{margin-top:12px;font-size:15px;color:#b9c6dd;max-width:560px}
.hero .acts{margin-top:20px;display:flex;gap:10px;flex-wrap:wrap}
.hero-visual{position:relative;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.hero-visual img{width:100%;height:320px;object-fit:cover;border-radius:0;opacity:.94}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(30,64,175,.35),rgba(15,23,42,.75))}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.chip{padding:5px 11px;border-radius:999px;font-size:12.5px;background:var(--glass);border:1px solid var(--line);color:#cfe0f5}
/* cards */
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap)}
.card{background:var(--glass);border:1px solid var(--line);border-radius:var(--r);padding:var(--cardpad);
  box-shadow:var(--shadow);backdrop-filter:blur(9px);position:relative;overflow:hidden;transition:.28s}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.6),transparent)}
.card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.35)}
.card h3{font-size:15px;color:#fff;margin-bottom:5px}
.card p{font-size:13px;color:#a7b7cf;line-height:1.65}
.hcard{display:flex;gap:10px;align-items:stretch}
.hcard .txt{flex:1;min-width:0}
.hcard .pic{width:96px;flex:none}
.hcard .pic img{width:96px;height:88px;object-fit:cover;border-radius:var(--rim)}
/* geo */
.geo-intro .lead{font-size:15px;color:#c6d4ea;background:var(--glass);border:1px solid var(--line);
  border-left:3px solid var(--cyan);border-radius:var(--r);padding:16px 18px;box-shadow:var(--shadow)}
/* stats */
.stat{padding:16px var(--cardpad);text-align:center}
.stat .n{font-size:26px;font-weight:800;color:#fff;background:linear-gradient(90deg,#7de9f7,#93b4ff);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.stat .l{font-size:12.5px;color:#94a3b8;margin-top:2px}
/* events */
.ev .meta{display:flex;justify-content:space-between;font-size:12.5px;color:#8ea3c0;margin-bottom:6px}
.ev .vs{font-size:17px;color:#fff;font-weight:700}
.ev .bar2{margin-top:9px;height:5px;border-radius:99px;background:rgba(255,255,255,.09);overflow:hidden}
.ev .bar2 i{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),#2563eb)}
/* news */
.news-item .date{font-size:12px;color:#7de9f7}
.news-item h3{font-size:14.5px;margin:3px 0 5px}
.news-item .more{font-size:12.5px;color:#93b4ff;margin-top:6px;display:inline-block}
/* ranking */
.rk{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;background:var(--glass);
  border:1px solid var(--line)}
.rk .i{width:24px;height:24px;border-radius:7px;background:linear-gradient(135deg,#2563eb,#1e40af);
  color:#fff;font-size:12.5px;display:flex;align-items:center;justify-content:center;font-weight:700;flex:none}
.rk .nm{font-size:13.5px;color:#e2e8f0;flex:1}
.rk .v{font-size:12.5px;color:#7de9f7}
/* faq */
.faq-item{background:var(--glass);border:1px solid var(--line);border-radius:var(--r);padding:14px var(--cardpad);
  margin-bottom:var(--gap);box-shadow:var(--shadow)}
.faq-item h3{font-size:14.5px;color:#fff;margin-bottom:6px}
.faq-item p{font-size:13.5px;color:#a9bad2}
/* timeline */
.tl{position:relative;padding-left:22px}
.tl::before{content:"";position:absolute;left:6px;top:4px;bottom:4px;width:2px;background:linear-gradient(180deg,var(--cyan),transparent)}
.tl li{list-style:none;margin-bottom:12px;position:relative}
.tl li::before{content:"";position:absolute;left:-21px;top:7px;width:10px;height:10px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 12px rgba(34,211,238,.7)}
.tl b{color:#fff;font-size:14px}
.tl span{display:block;font-size:13px;color:#9db0c9}
/* quotes */
.quote{font-size:13.5px;color:#c1d0e6}
.quote .who{margin-top:8px;font-size:12.5px;color:#7de9f7}
/* cta */
.cta-\boxed{background:linear-gradient(120deg,rgba(30,64,175,.55),rgba(15,23,42,.85));
  border:1px solid rgba(34,211,238,.3);border-radius:var(--r);padding:26px var(--cardpad);text-align:center;box-shadow:var(--shadow)}
.cta-box h2{font-size:22px;color:#fff;margin-bottom:8px}
.cta-box p{color:#b6c6dd;font-size:14px;max-width:660px;margin:0 auto 16px}
/* footer */
footer{margin-top:36px;border-top:1px solid var(--line);background:rgba(9,15,32,.75);padding:26px 0 18px;position:relative;z-index:1}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:18px}
footer h4{font-size:14px;color:#fff;margin-bottom:8px}
footer li{list-style:none;font-size:13px;color:#93a4bd;margin-bottom:5px}
.copy{margin-top:18px;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:#7d8ea8;
  display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.copy a{color:#7de9f7}
@media(max-width:980px){.grid4{grid-template-columns:repeat(2,1fr)}.grid3{grid-template-columns:repeat(2,1fr)}
 .hero-grid{grid-template-columns:1fr}.fgrid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.grid4,.grid3,.grid2{grid-template-columns:1fr}.nav-links{gap:11px}.fgrid{grid-template-columns:1fr}}