:root{
  --c1:#0891b2;
  --c2:#155e75;
  --bright:#22d3ee;
  --ink:#0f172a;
  --muted:#5b7285;
  --line:#e2eef3;
  --bg:#f6fbfd;
}
*{margin:0;padding:0;box-sizing:border-box;}
html,body{
  font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body *{font-family:inherit;}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:linear-gradient(90deg,var(--c2),var(--c1));
  box-shadow:0 4px 20px rgba(8,145,178,.25);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:12px 20px;max-width:1180px;margin:0 auto;flex-wrap:wrap;
}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;letter-spacing:.4px;}
.logo-badge{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#22d3ee,#0891b2);
  display:flex;align-items:center;justify-content:center;font-size:17px;
  box-shadow:0 0 0 2px rgba(255,255,255,.25) inset;
}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.nav-links a{
  color:#e6f8fc;font-size:14.5px;padding:7px 13px;border-radius:8px;
  transition:.2s;white-space:nowrap;
}
.nav-links a:hover{background:rgba(255,255,255,.16);color:#fff;}

/* ---------- hero ---------- */
.hero{
  background:radial-gradient(circle at 12% 18%,rgba(34,211,238,.35),transparent 55%),
             linear-gradient(135deg,#0e7490,#155e75 60%,#083344);
  color:#fff;padding:64px 0 58px;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;
  border-radius:50%;background:rgba(34,211,238,.14);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:center;position:relative;z-index:2;}
.tag-line{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  padding:5px 14px;border-radius:999px;margin-bottom:18px;color:#d7f7ff;
}
.hero h1{font-size:38px;line-height:1.28;font-weight:800;letter-spacing:.5px;margin-bottom:16px;}
.hero h1 span{color:#67e8f9;}
.hero p{font-size:15.5px;color:#cdeef5;margin-bottom:24px;max-width:620px;}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;}
.btn{
  display:inline-block;padding:11px 24px;border-radius:10px;font-size:15px;font-weight:600;
  transition:.2s;
}
.btn-primary{background:linear-gradient(135deg,#22d3ee,#0891b2);color:#04263a;box-shadow:0 8px 22px rgba(34,211,238,.32);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(34,211,238,.42);}
.btn-ghost{border:1px solid rgba(255,255,255,.45);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);}
.hero-visual{
  border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.22);
  box-shadow:0 20px 46px rgba(3,25,40,.45);
}
.hero-visual img{width:100%;height:280px;object-fit:cover;}

/* ---------- section base ---------- */
section{padding:56px 0;}
.sec-head{text-align:center;max-width:760px;margin:0 auto 36px;}
.sec-head .kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.4px;
  color:var(--c1);background:#e0f6fb;padding:4px 14px;border-radius:999px;margin-bottom:12px;
}
.sec-head h2{font-size:27px;font-weight:800;color:var(--c2);letter-spacing:.4px;}
.sec-head p{color:var(--muted);font-size:15px;margin-top:10px;}

/* ---------- geo ---------- */
.geo-section{background:#fff;}
.geo-box{
  display:grid;grid-template-columns:1fr .78fr;gap:36px;align-items:center;
  background:linear-gradient(135deg,#f0fbfe,#ffffff);
  border:1px solid var(--line);border-left:5px solid var(--c1);
  border-radius:16px;padding:32px;
}
.geo-box p{font-size:15.5px;color:#31505f;margin-bottom:14px;}
.geo-box p:last-child{margin-bottom:0;}
.geo-img{border-radius:14px;overflow:hidden;box-shadow:0 14px 34px rgba(8,145,178,.18);}
.geo-img img{width:100%;height:250px;object-fit:cover;}

/* ---------- stats ---------- */
.stats{background:linear-gradient(135deg,#0e7490,#155e75);color:#fff;}
.stats .sec-head h2{color:#fff;}
.stats .sec-head .kicker{background:rgba(255,255,255,.16);color:#a5f3fc;}
.stats .sec-head p{color:#bde9f2;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-card{
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);
  border-radius:14px;padding:24px 18px;text-align:center;transition:.25s;
}
.stat-card:hover{background:rgba(255,255,255,.16);transform:translateY(-4px);}
.stat-num{font-size:32px;font-weight:800;color:#67e8f9;letter-spacing:.5px;}
.stat-label{font-size:14px;color:#d7f2f8;margin-top:6px;}

/* ---------- advantages ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.adv-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 22px;
  transition:.25s;position:relative;overflow:hidden;
}
.adv-card::before{
  content:"";position:absolute;left:0;top:0;height:4px;width:100%;
  background:linear-gradient(90deg,var(--c1),var(--bright));opacity:0;transition:.25s;
}
.adv-card:hover::before{opacity:1;}
.adv-card:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(8,145,178,.14);}
.adv-icon{font-size:26px;margin-bottom:12px;}
.adv-card h3{font-size:17.5px;color:var(--c2);margin-bottom:10px;font-weight:700;}
.adv-card p{font-size:14.5px;color:var(--muted);}

/* ---------- story ---------- */
.story{background:#fff;}
.story-inner{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:center;
}
.story-text h2{font-size:26px;color:var(--c2);margin-bottom:14px;font-weight:800;}
.story-text p{color:#3c5a68;font-size:15px;margin-bottom:12px;}
.story-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;}
.story-tags span{
  font-size:13px;background:#e0f6fb;color:var(--c2);padding:5px 13px;border-radius:999px;font-weight:600;
}
.story-visual{border-radius:16px;overflow:hidden;box-shadow:0 16px 38px rgba(8,145,178,.16);}
.story-visual img{width:100%;height:290px;object-fit:cover;}

/* ---------- featured events ---------- */
.events{background:#f0f8fb;}
.event-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.event-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  display:flex;flex-direction:column;transition:.25s;
}
.event-card:hover{transform:translateY(-5px);box-shadow:0 18px 38px rgba(8,145,178,.15);}
.event-card img{width:100%;height:172px;object-fit:cover;}
.event-body{padding:20px;}
.event-body .pill{
  display:inline-block;font-size:12.5px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--c1),var(--c2));padding:3px 12px;border-radius:999px;margin-bottom:10px;
}
.event-body h3{font-size:18px;color:var(--c2);margin-bottom:8px;font-weight:700;}
.event-body p{font-size:14.5px;color:var(--muted);}
.event-meta{display:flex;gap:16px;margin-top:14px;font-size:13.5px;color:var(--c1);font-weight:600;}

/* ---------- news ---------- */
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
  display:flex;flex-direction:column;transition:.25s;
}
.news-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(8,145,178,.13);border-color:#bfe9f3;}
.news-date{
  font-size:12.5px;font-weight:700;color:var(--c1);letter-spacing:.4px;margin-bottom:9px;
}
.news-card h3{font-size:16.5px;color:var(--c2);line-height:1.5;margin-bottom:10px;font-weight:700;}
.news-card p{font-size:14.3px;color:var(--muted);}

/* ---------- faq ---------- */
.faq{background:#fff;}
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border:1px solid var(--line);border-radius:14px;background:#fbfeff;overflow:hidden;
}
.faq-q{
  display:flex;gap:12px;align-items:flex-start;
  padding:18px 20px;font-size:16px;font-weight:700;color:var(--c2);
  background:linear-gradient(135deg,#effbfe,#ffffff);
}
.faq-q .qmark{
  flex:0 0 26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--c1),var(--c2));
  color:#fff;font-size:14px;display:flex;align-items:center;justify-content:center;
}
.faq-a{padding:16px 20px 20px 58px;font-size:14.6px;color:#43606f;}

/* ---------- game recommend ---------- */
.recommend{background:#f0f8fb;}
.rec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.rec-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 16px;text-align:center;
  transition:.25s;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(8,145,178,.14);}
.rec-card .ico{font-size:26px;margin-bottom:8px;}
.rec-card h3{font-size:15.5px;color:var(--c2);margin-bottom:6px;}
.rec-card p{font-size:13.6px;color:var(--muted);}

/* ---------- cta ---------- */
.cta{
  background:linear-gradient(135deg,#0891b2,#155e75);color:#fff;text-align:center;
  border-radius:22px;padding:48px 28px;margin:0 auto;max-width:1120px;
  box-shadow:0 20px 46px rgba(8,145,178,.28);
}
.cta h2{font-size:27px;font-weight:800;margin-bottom:12px;}
.cta p{color:#cdeef5;font-size:15.5px;max-width:720px;margin:0 auto 24px;}
.cta .btn-ghost{border-color:rgba(255,255,255,.55);}

/* ---------- footer ---------- */
.site-footer{
  background:#0b2b38;color:#b9d8e2;padding:44px 0 22px;margin-top:56px;font-size:14.3px;
}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:34px;margin-bottom:28px;}
.footer-grid h3{color:#fff;font-size:16px;margin-bottom:14px;font-weight:700;}
.footer-grid p{margin-bottom:8px;line-height:1.8;}
.footer-grid a{color:#9fdff0;display:block;margin-bottom:8px;transition:.2s;}
.footer-grid a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.13);padding-top:18px;
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;font-size:13.5px;
}
.footer-bottom a{color:#9fdff0;}
.footer-bottom a:hover{color:#fff;}

@media (max-width:980px){
  .hero-grid,.geo-box,.story-inner{grid-template-columns:1fr;}
  .stat-grid,.adv-grid,.news-list,.rec-grid{grid-template-columns:repeat(2,1fr);}
  .event-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:600px){
  .hero h1{font-size:27px;}
  .stat-grid,.adv-grid,.news-list,.rec-grid{grid-template-columns:1fr;}
  .sec-head h2{font-size:22px;}
  .faq-a{padding-left:20px;}
}