:root{
  --g400:#94a3b8;
  --g500:#64748b;
  --g600:#475569;
  --g700:#334155;
  --g900:#0f172a;
  --blue:#2563eb;
  --blue-dark:#1d4ed8;
  --bg:#f8fafc;
  --card:#ffffff;
  --line:#e2e8f0;
  --soft:#f1f5f9;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
  background:var(--bg);
  color:var(--g700);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{max-width:1160px;margin:0 auto;padding:0 20px}
section{padding:58px 0}
section:nth-of-type(even){background:#fff}
.section-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:14px;margin-bottom:28px;border-bottom:1px solid var(--line);padding-bottom:14px}
.section-head h2{font-size:24px;font-weight:700;color:var(--g900);letter-spacing:.3px}
.section-head .tag{font-size:13px;color:var(--g500);background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:2px 12px}
.section-head p{width:100%;font-size:14.5px;color:var(--g500);margin-top:2px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--g900);letter-spacing:.5px}
.logo::before{content:"";width:10px;height:22px;border-radius:3px;background:linear-gradient(180deg,#64748b,#334155)}
.nav-links{display:flex;flex-wrap:wrap;gap:6px}
.nav-links a{font-size:14.5px;color:var(--g600);padding:7px 12px;border-radius:8px;transition:.18s}
.nav-links a:hover{background:var(--soft);color:var(--blue)}
.nav-links a:first-child{color:var(--blue);font-weight:600}

/* hero */
.hero{background:linear-gradient(135deg,#64748b 0%,#475569 52%,#334155 100%);color:#fff;padding:64px 0 62px}
.hero-inner{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center}
.hero .eyebrow{display:inline-block;font-size:13px;letter-spacing:1px;color:#e2e8f0;border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:3px 14px;margin-bottom:16px}
.hero h1{font-size:33px;line-height:1.32;font-weight:700;letter-spacing:.4px;margin-bottom:16px}
.hero p.lead{font-size:15.5px;color:rgba(255,255,255,.88);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn{display:inline-block;padding:11px 24px;border-radius:9px;font-size:14.5px;font-weight:600;transition:.2s}
.btn-primary{background:#fff;color:var(--g700)}
.btn-primary:hover{background:#e2e8f0}
.btn-ghost{border:1px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.hero-figure img{width:100%;border-radius:14px;border:1px solid rgba(255,255,255,.22);box-shadow:0 14px 36px rgba(15,23,42,.28)}

/* geo */
.geo-wrap{display:grid;grid-template-columns:1fr 300px;gap:36px;align-items:start}
.geo-text p{font-size:15.5px;color:var(--g600);margin-bottom:14px}
.geo-text p b{color:var(--g900);font-weight:700}
.geo-side{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:16px}
.geo-side img{border-radius:10px;width:100%}
.geo-side span{display:block;font-size:12.5px;color:var(--g500);margin-top:10px;text-align:center}

/* stats */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 20px;border-top:3px solid var(--g500)}
.stat-card b{display:block;font-size:27px;color:var(--g900);line-height:1.2;letter-spacing:.5px}
.stat-card span{display:block;font-size:13.5px;color:var(--g500);margin-top:6px}

/* features */
.feature-layout{display:grid;grid-template-columns:1fr 320px;gap:34px;align-items:center}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}
.feature-card h3{font-size:16px;color:var(--g900);margin-bottom:8px}
.feature-card p{font-size:14.2px;color:var(--g600)}
.feature-figure img{border-radius:14px;border:1px solid var(--line);width:100%}

/* table */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:12px}
table{width:100%;border-collapse:collapse;min-width:640px}
thead th{font-size:13px;letter-spacing:.6px;color:var(--g500);text-align:left;padding:14px 18px;background:var(--soft);border-bottom:1px solid var(--line);font-weight:600}
tbody td{padding:14px 18px;font-size:14.5px;border-bottom:1px solid var(--line);color:var(--g600)}
tbody tr:last-child td{border-bottom:none}
tbody td.score{font-weight:700;color:var(--g900);letter-spacing:1px}
.badge{display:inline-block;font-size:12px;padding:2px 10px;border-radius:999px;border:1px solid var(--line);background:var(--soft);color:var(--g500)}
.badge.live{background:#eff6ff;border-color:#bfdbfe;color:var(--blue)}
.table-note{font-size:13px;color:var(--g400);margin-top:12px}

/* events */
.event-layout{display:grid;grid-template-columns:.92fr 1.08fr;gap:36px;align-items:center}
.event-figure img{border-radius:14px;border:1px solid var(--line);width:100%}
.event-list{display:grid;gap:12px}
.event-item{display:flex;justify-content:space-between;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 18px}
.event-item strong{font-size:15px;color:var(--g900);font-weight:600}
.event-item em{font-style:normal;font-size:13px;color:var(--g500)}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;transition:.2s}
.news-card:hover{border-color:var(--g400);box-shadow:0 8px 22px rgba(51,65,85,.07)}
.news-card .news-date{display:inline-block;font-size:12.5px;color:var(--g500);background:var(--soft);border-radius:6px;padding:2px 9px;margin-bottom:10px}
.news-card h3{font-size:17px;line-height:1.5;color:var(--g900);margin-bottom:10px}
.news-card p{font-size:14.3px;color:var(--g600)}
.news-card p q{color:var(--blue-dark);font-style:normal}

/* faq */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:12px;padding:6px 24px}
.faq-item{padding:20px 0;border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-item h3{font-size:16px;color:var(--g900);margin-bottom:8px;display:flex;gap:10px;align-items:flex-start}
.faq-item h3 i{font-style:normal;flex:none;width:22px;height:22px;border-radius:6px;background:var(--g700);color:#fff;font-size:12.5px;display:flex;align-items:center;justify-content:center;margin-top:3px}
.faq-item p{font-size:14.4px;color:var(--g600);padding-left:32px}

/* download */
.download{background:linear-gradient(135deg,#475569,#334155);color:#fff}
.download-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.download h2{font-size:26px;margin-bottom:14px}
.download p{font-size:15px;color:rgba(255,255,255,.86);margin-bottom:22px}
.download ul{list-style:none;display:grid;gap:8px;margin-bottom:24px}
.download ul li{font-size:14.5px;color:rgba(255,255,255,.9)}
.download ul li::before{content:"—";margin-right:10px;color:#cbd5e1}
.download img{border-radius:14px;border:1px solid rgba(255,255,255,.24);width:100%}

/* footer */
.site-footer{background:#27303f;color:#cbd5e1;padding:46px 0 26px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.12)}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:12px;font-weight:600}
.site-footer p,.site-footer li{line-height:1.9;color:#a8b3c2}
.site-footer ul{list-style:none}
.site-footer a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:20px;font-size:13px;color:#94a3b8}

@media(max-width:960px){
  .hero-inner,.geo-wrap,.feature-layout,.event-layout,.download-inner{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero h1{font-size:27px}
}
@media(max-width:600px){
  .header-inner{height:auto;flex-direction:column;align-items:flex-start;padding:12px 0;gap:10px}
  .feature-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  section{padding:42px 0}
}