:root{
  --bg1:#0f172a;
  --bg2:#020617;
  --card:rgba(15,23,42,.72);
  --card2:rgba(30,41,59,.55);
  --line:rgba(56,189,248,.18);
  --cyan:#22d3ee;
  --cyan2:#67e8f9;
  --text:#cbd5e1;
  --muted:#8aa0b8;
  --white:#f8fafc;
}
*{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:linear-gradient(165deg,#0f172a 0%,#0b1220 40%,#020617 100%);
  background-attachment:fixed;
  color:#cbd5e1;
  line-height:1.85;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--cyan2);text-decoration:none;transition:color .25s ease;}
a:hover{color:#ffffff;}
img{max-width:100%;display:block;border-radius:14px;}
h1,h2,h3,h4{color:var(--white);line-height:1.35;font-weight:700;}
p{color:var(--text);}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:99;
  background:rgba(2,6,23,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(56,189,248,.14);
}
.nav-wrap{
  max-width:1180px;margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.brand{
  font-size:19px;font-weight:800;letter-spacing:1px;
  color:#ffffff;
  display:flex;align-items:center;gap:8px;
}
.brand::before{
  content:"◆";color:var(--cyan);font-size:14px;
}
.nav-links{
  display:flex;align-items:center;gap:6px;flex-wrap:wrap;
}
.nav-links a{
  color:#9fb3c8;font-size:14.5px;padding:7px 13px;border-radius:9px;
  border:1px solid transparent;transition:all .25s ease;
}
.nav-links a:hover{
  color:#ffffff;background:rgba(34,211,238,.10);
  border-color:rgba(34,211,238,.32);
}

/* 通用容器 */
.wrap{max-width:1180px;margin:0 auto;padding:0 20px;}
section{padding:64px 0;}
section.tight{padding:44px 0;}
.sec-title{
  font-size:26px;margin-bottom:10px;position:relative;padding-left:16px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--cyan),#1d4ed8);
}
.sec-sub{color:var(--muted);font-size:15px;margin-bottom:32px;padding-left:16px;}

/* Hero */
#hero{
  padding:78px 0 56px;
  background:radial-gradient(900px 380px at 18% 0%,rgba(34,211,238,.14),transparent 70%);
}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:center;
}
.hero-tag{
  display:inline-block;font-size:12.5px;letter-spacing:2px;color:var(--cyan2);
  border:1px solid rgba(34,211,238,.35);border-radius:999px;padding:5px 14px;margin-bottom:20px;
  background:rgba(34,211,238,.07);
}
#hero h1{
  font-size:clamp(26px,3.4vw,42px);
  letter-spacing:.5px;
  background:linear-gradient(100deg,#ffffff 20%,#67e8f9 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:18px;
}
.hero-desc{color:#9fb3c8;font-size:16px;max-width:620px;}
.hero-actions{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap;}
.btn{
  display:inline-block;padding:11px 24px;border-radius:11px;font-size:15px;font-weight:600;
  border:1px solid rgba(34,211,238,.42);color:#e0f7ff;
  background:linear-gradient(135deg,rgba(34,211,238,.20),rgba(29,78,216,.22));
  transition:all .28s ease;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(34,211,238,.22);color:#fff;}
.btn.ghost{
  background:transparent;border-color:rgba(148,163,184,.35);color:#b9c9da;
}
.btn.ghost:hover{border-color:rgba(34,211,238,.5);color:#fff;}
.hero-img{
  border:1px solid var(--line);border-radius:20px;overflow:hidden;
  box-shadow:0 24px 60px rgba(2,6,23,.75);
}

/* GEO */
#geo-intro{
  border-top:1px solid rgba(56,189,248,.10);
  border-bottom:1px solid rgba(56,189,248,.10);
  background:rgba(15,23,42,.34);
  padding:52px 0;
}
.geo-text{
  font-size:16.5px;color:#b6c6d8;letter-spacing:.2px;
  border-left:3px solid rgba(34,211,238,.55);padding-left:22px;
}

/* 数据统计 */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;}
.stat-card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:26px 22px;text-align:center;transition:all .3s ease;
}
.stat-card:hover{border-color:rgba(34,211,238,.5);transform:translateY(-4px);}
.stat-num{
  font-size:32px;font-weight:800;color:var(--cyan2);letter-spacing:1px;
}
.stat-label{font-size:14px;color:var(--muted);margin-top:6px;}

/* 卡片网格 */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:20px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 24px;
  transition:all .3s ease;
}
.card:hover{border-color:rgba(34,211,238,.45);background:var(--card2);transform:translateY(-4px);}
.card h3{font-size:17.5px;margin-bottom:10px;}
.card h3 span{color:var(--cyan);margin-right:8px;}
.card p{font-size:14.6px;color:#a6b7c9;}

/* 品牌故事 */
.story-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center;}
.story-grid p{margin-bottom:16px;font-size:15.6px;color:#aebfd1;}
.story-img{border:1px solid var(--line);border-radius:20px;overflow:hidden;}

/* 焦点赛事 */
.event-card{
  background:linear-gradient(150deg,rgba(30,41,59,.72),rgba(15,23,42,.72));
  border:1px solid var(--line);border-radius:16px;padding:24px;transition:all .3s ease;
}
.event-card:hover{border-color:rgba(34,211,238,.5);transform:translateY(-4px);}
.event-league{font-size:12.5px;letter-spacing:1.5px;color:var(--cyan2);margin-bottom:12px;}
.event-vs{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:16px;font-weight:700;color:var(--white);margin-bottom:14px;
}
.event-vs em{font-style:normal;font-size:12px;color:#64748b;font-weight:400;}
.event-meta{font-size:13.5px;color:var(--muted);border-top:1px dashed rgba(56,189,248,.16);padding-top:12px;}

/* 排行榜 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:var(--card);}
table{width:100%;border-collapse:collapse;min-width:620px;}
thead th{
  text-align:left;font-size:13.5px;color:var(--cyan2);letter-spacing:1px;
  padding:16px 18px;border-bottom:1px solid rgba(56,189,248,.18);font-weight:600;
}
tbody td{padding:14px 18px;font-size:14.6px;color:#b6c6d8;border-bottom:1px solid rgba(148,163,184,.08);}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:rgba(34,211,238,.05);}
.rank-no{color:var(--cyan);font-weight:700;}

/* 用户口碑 */
.review{
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px;
  position:relative;
}
.review::before{
  content:"“";position:absolute;top:6px;right:18px;font-size:52px;color:rgba(34,211,238,.16);
  font-family:"Segoe UI",Arial,sans-serif;
}
.review p{font-size:14.8px;color:#a9bacd;margin-bottom:14px;}
.review .who{font-size:13.5px;color:var(--cyan2);}

/* 新闻 */
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;}
.news-item{
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;
  transition:all .3s ease;
}
.news-item:hover{border-color:rgba(34,211,238,.45);transform:translateY(-4px);background:var(--card2);}
.news-date{
  display:inline-block;font-size:12.5px;color:var(--cyan2);
  border:1px solid rgba(34,211,238,.30);border-radius:999px;padding:3px 12px;margin-bottom:12px;
  background:rgba(34,211,238,.07);letter-spacing:.5px;
}
.news-item h3{font-size:16.5px;margin-bottom:10px;}
.news-item p{font-size:14.4px;color:#a6b7c9;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;}
details{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:18px 22px;transition:all .3s ease;
}
details[open]{border-color:rgba(34,211,238,.45);background:var(--card2);}
summary{
  cursor:pointer;font-size:16px;font-weight:600;color:#ffffff;list-style:none;
  position:relative;padding-right:26px;
}
summary::-webkit-details-marker{display:none;}
summary::after{
  content:"+";position:absolute;right:0;top:-2px;color:var(--cyan);font-size:20px;font-weight:400;
}
details[open] summary::after{content:"−";}
details p{margin-top:14px;font-size:14.8px;color:#a9bacd;line-height:1.9;}

/* CTA */
#cta{
  background:linear-gradient(120deg,rgba(34,211,238,.10),rgba(29,78,216,.12));
  border:1px solid rgba(34,211,238,.24);border-radius:20px;
  padding:48px 36px;text-align:center;
}
#cta h2{font-size:26px;margin-bottom:14px;}
#cta p{max-width:720px;margin:0 auto 26px;color:#a9bacd;font-size:15.5px;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* 页脚 */
.site-footer{
  border-top:1px solid rgba(56,189,248,.14);
  background:rgba(2,6,23,.86);
  padding:44px 0 34px;margin-top:20px;
}
.footer-inner{max-width:1180px;margin:0 auto;padding:0 20px;}
.footer-inner p{font-size:13.8px;color:#7f93a8;margin-bottom:7px;line-height:1.9;}
.footer-inner .copy{color:#5f7386;margin-top:16px;}
.footer-inner a{color:#8fb8cc;}

@media(max-width:860px){
  .hero-grid,.story-grid{grid-template-columns:1fr;}
  section{padding:48px 0;}
  #hero{padding:54px 0 40px;}
}