:root{
  --bg-top:#0f172a;
  --bg-bottom:#020617;
  --cyan:#22d3ee;
  --cyan-soft:rgba(34,211,238,.14);
  --lime:#d9f99d;
  --yellow:#facc15;
  --text:#e2e8f0;
  --muted:#94a3b8;
  --card:#0a1224;
  --line:rgba(34,211,238,.18);
  --radius:16px;
}
*{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(180deg,#0f172a 0%,#0a1020 40%,#020617 100%);
  background-attachment:fixed;
  color:var(--text);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    repeating-linear-gradient(90deg,rgba(34,211,238,.045) 0 1px,transparent 1px 120px),
    radial-gradient(circle at 80% 8%,rgba(34,211,238,.10),transparent 45%),
    radial-gradient(circle at 12% 70%,rgba(217,249,157,.06),transparent 42%);
  pointer-events:none;
  z-index:0;
}
.wrap{
  position:relative;
  z-index:1;
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 20px;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(2,6,23,.82);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:1180px;
  margin:0 auto;
  padding:12px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:19px;
  letter-spacing:.5px;
  color:#fff;
}
.logo-dot{
  width:12px;height:12px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 12px var(--cyan),0 0 24px rgba(34,211,238,.6);
  animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.55;transform:scale(.82);}
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  flex-wrap:wrap;
}
.nav-links a{
  display:inline-block;
  padding:8px 14px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--muted);
  border:1px solid transparent;
  transition:.25s;
  white-space:nowrap;
}
.nav-links a:hover{
  color:var(--cyan);
  background:var(--cyan-soft);
  border-color:var(--line);
  box-shadow:0 0 16px rgba(34,211,238,.18);
}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:80px 0 70px;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  right:-140px;
  top:10px;
  width:520px;
  height:520px;
  border-radius:50%;
  border:1px solid rgba(34,211,238,.14);
  box-shadow:inset 0 0 90px rgba(34,211,238,.10);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:44px;
  align-items:center;
}
.tag-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 16px;
  border-radius:999px;
  font-size:13px;
  letter-spacing:1px;
  color:var(--lime);
  background:rgba(217,249,157,.08);
  border:1px solid rgba(217,249,157,.28);
  margin-bottom:22px;
}
h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.28;
  font-weight:800;
  color:#fff;
  letter-spacing:.5px;
  margin-bottom:20px;
}
h1 .hl{
  background:linear-gradient(92deg,#22d3ee,#d9f99d);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  color:var(--muted);
  font-size:16px;
  margin-bottom:28px;
  max-width:600px;
}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;}
.btn{
  display:inline-block;
  padding:13px 30px;
  border-radius:999px;
  font-weight:700;
  font-size:15px;
  transition:.28s;
  border:1px solid transparent;
}
.btn-primary{
  background:linear-gradient(92deg,#22d3ee,#67e8f9);
  color:#04121c;
  box-shadow:0 0 26px rgba(34,211,238,.42);
}
.btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 0 38px rgba(34,211,238,.65);
}
.btn-ghost{
  border-color:rgba(217,249,157,.4);
  color:var(--lime);
  background:rgba(217,249,157,.05);
}
.btn-ghost:hover{
  background:rgba(217,249,157,.14);
  transform:translateY(-3px);
}
.hero-visual{
  position:relative;
  border-radius:22px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:0 30px 70px rgba(2,6,23,.85),0 0 46px rgba(34,211,238,.14);
}
.hero-visual img{width:100%;height:auto;}
.hero-visual::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(2,6,23,.72));
  pointer-events:none;
}

/* ============ 通用区块 ============ */
.section{padding:66px 0;}
.section-head{margin-bottom:38px;}
.section-head .kicker{
  display:inline-block;
  font-size:13px;
  letter-spacing:2px;
  color:var(--cyan);
  text-transform:uppercase;
  margin-bottom:10px;
}
h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:800;
  color:#fff;
  letter-spacing:.4px;
}
.section-head p{
  color:var(--muted);
  margin-top:12px;
  max-width:760px;
}
.card{
  background:linear-gradient(160deg,rgba(12,22,44,.94),rgba(4,10,24,.94));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  transition:.3s;
  position:relative;
  overflow:hidden;
}
.card::after{
  content:"";
  position:absolute;
  left:0;top:0;
  width:100%;height:3px;
  background:linear-gradient(90deg,var(--cyan),transparent 70%);
  opacity:.55;
}
.card:hover{
  transform:translateY(-6px);
  box-shadow:0 22px 48px rgba(2,6,23,.75),0 0 30px rgba(34,211,238,.16);
  border-color:rgba(34,211,238,.42);
}
.card h3{
  font-size:18px;
  color:#fff;
  margin-bottom:10px;
  font-weight:700;
}
.card p{color:var(--muted);font-size:15px;}

/* ============ GEO 介绍 ============ */
.geo-box{
  border:1px solid var(--line);
  border-radius:20px;
  padding:34px 32px;
  background:linear-gradient(150deg,rgba(12,24,48,.9),rgba(3,8,20,.92));
  box-shadow:0 0 40px rgba(34,211,238,.08) inset;
}
.geo-box p{color:#cbd5e1;font-size:16.5px;margin-bottom:16px;}
.geo-box p:last-child{margin-bottom:0;}
.geo-box strong{color:var(--lime);font-weight:700;}

/* ============ 数据统计 ============ */
.stats-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:20px;
}
.stat{
  text-align:center;
  padding:30px 18px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(170deg,rgba(13,25,50,.9),rgba(3,8,20,.95));
  transition:.3s;
}
.stat:hover{
  border-color:rgba(34,211,238,.5);
  box-shadow:0 0 28px rgba(34,211,238,.18);
}
.stat .num{
  font-size:34px;
  font-weight:800;
  color:var(--cyan);
  letter-spacing:1px;
  text-shadow:0 0 22px rgba(34,211,238,.4);
}
.stat .num span{font-size:18px;color:var(--lime);}
.stat .label{
  color:var(--muted);
  font-size:14px;
  margin-top:8px;
  letter-spacing:.5px;
}

/* ============ 优势 ============ */
.adv-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:22px;
}
.adv-icon{
  width:48px;height:48px;
  display:grid;
  place-items:center;
  border-radius:14px;
  font-size:22px;
  background:rgba(34,211,238,.1);
  border:1px solid var(--line);
  margin-bottom:16px;
}

/* ============ 游戏库 ============ */
.lib-layout{
  display:grid;
  grid-template-columns:.95fr 1.05fr;
  gap:36px;
  align-items:center;
}
.lib-img{
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:0 24px 60px rgba(2,6,23,.8);
}
.lib-list{display:grid;gap:16px;}
.lib-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:18px 20px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(9,18,36,.75);
  transition:.28s;
}
.lib-item:hover{
  border-color:rgba(217,249,157,.42);
  background:rgba(13,26,50,.9);
  transform:translateX(6px);
}
.lib-item .idx{
  flex:0 0 auto;
  width:32px;height:32px;
  border-radius:9px;
  display:grid;place-items:center;
  font-size:14px;font-weight:800;
  color:#04121c;
  background:linear-gradient(135deg,#22d3ee,#d9f99d);
}
.lib-item h4{font-size:16px;color:#fff;margin-bottom:4px;font-weight:700;}
.lib-item p{font-size:14px;color:var(--muted);}

/* ============ 新闻 ============ */
.news-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
  gap:22px;
}
.news-card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  background:linear-gradient(160deg,rgba(11,21,42,.95),rgba(3,8,20,.95));
  transition:.3s;
  display:flex;
  flex-direction:column;
}
.news-card:hover{
  transform:translateY(-6px);
  border-color:rgba(34,211,238,.45);
  box-shadow:0 20px 44px rgba(2,6,23,.8),0 0 26px rgba(34,211,238,.14);
}
.news-meta{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:12px;
  font-size:13px;
}
.news-tag{
  padding:3px 11px;
  border-radius:999px;
  background:rgba(217,249,157,.1);
  color:var(--lime);
  border:1px solid rgba(217,249,157,.26);
}
.news-date{color:#64748b;}
.news-card h3{
  font-size:17.5px;
  color:#fff;
  margin-bottom:12px;
  font-weight:700;
  line-height:1.5;
}
.news-card p{
  color:var(--muted);
  font-size:14.5px;
  flex:1;
}
.news-more{
  margin-top:16px;
  font-size:14px;
  color:var(--cyan);
  font-weight:600;
}

/* ============ 口碑 ============ */
.review-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:20px;
}
.review{
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  background:linear-gradient(165deg,rgba(12,23,46,.92),rgba(3,8,20,.94));
}
.review .stars{color:var(--yellow);font-size:15px;letter-spacing:3px;margin-bottom:12px;}
.review p{color:#cbd5e1;font-size:14.5px;margin-bottom:16px;}
.review .who{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:var(--cyan);font-weight:600;
}
.avatar{
  width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(34,211,238,.3),rgba(217,249,157,.25));
  border:1px solid var(--line);
  font-size:15px;
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:16px;}
.faq-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:linear-gradient(160deg,rgba(11,22,44,.9),rgba(3,8,20,.95));
  padding:22px 26px;
  transition:.3s;
}
.faq-item:hover{border-color:rgba(34,211,238,.42);box-shadow:0 0 26px rgba(34,211,238,.1);}
.faq-q{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:16.5px;
  font-weight:700;
  color:#fff;
  margin-bottom:12px;
}
.faq-q .qmark{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:8px;
  display:grid;place-items:center;
  font-size:13px;
  color:#04121c;
  background:linear-gradient(135deg,#22d3ee,#d9f99d);
  font-weight:800;
}
.faq-a{
  color:var(--muted);
  font-size:15px;
  padding-left:38px;
}

/* ============ CTA ============ */
.cta-box{
  position:relative;
  border-radius:24px;
  padding:52px 36px;
  text-align:center;
  border:1px solid rgba(34,211,238,.3);
  background:
    radial-gradient(circle at 50% 0%,rgba(34,211,238,.16),transparent 65%),
    linear-gradient(170deg,rgba(12,24,48,.95),rgba(3,8,20,.98));
  overflow:hidden;
}
.cta-box::before{
  content:"";
  position:absolute;
  left:0;bottom:0;width:100%;height:5px;
  background:repeating-linear-gradient(90deg,var(--cyan) 0 34px,transparent 34px 68px);
  opacity:.55;
}
.cta-box h2{margin-bottom:16px;}
.cta-box p{
  color:var(--muted);
  max-width:680px;
  margin:0 auto 28px;
}

/* ============ 下载区 ============ */
.dl-layout{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:36px;
  align-items:center;
}
.dl-img{
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:0 24px 60px rgba(2,6,23,.8);
}
.dl-points{display:grid;gap:14px;margin-top:22px;}
.dl-point{
  display:flex;gap:12px;align-items:flex-start;
  color:#cbd5e1;font-size:15px;
}
.dl-point .dot{
  flex:0 0 auto;
  width:9px;height:9px;border-radius:50%;
  margin-top:9px;
  background:var(--lime);
  box-shadow:0 0 12px var(--lime);
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;
  border-top:1px solid var(--line);
  background:rgba(2,6,23,.9);
  padding:48px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:32px;
  margin-bottom:32px;
}
.footer-brand h3{
  color:#fff;
  font-size:18px;
  margin-bottom:14px;
  font-weight:800;
}
.footer-brand p{color:var(--muted);font-size:14px;margin-bottom:8px;}
.footer-col h4{
  color:var(--cyan);
  font-size:15px;
  margin-bottom:14px;
  font-weight:700;
  letter-spacing:.5px;
}
.footer-col a,
.footer-col p{
  display:block;
  color:var(--muted);
  font-size:14px;
  margin-bottom:9px;
  transition:.25s;
}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  border-top:1px solid rgba(148,163,184,.14);
  padding-top:20px;
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  color:#64748b;
  font-size:13.5px;
}
.footer-bottom a{color:var(--cyan);}
.footer-bottom a:hover{color:var(--lime);}

/* ============ 响应式 ============ */
@media (max-width:900px){
  .hero-grid,.lib-layout,.dl-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .hero{padding:56px 0 48px;}
  .section{padding:52px 0;}
}
@media (max-width:600px){
  .footer-grid{grid-template-columns:1fr;}
  .header-inner{padding:10px 16px;}
  .nav-links a{padding:7px 11px;font-size:13.5px;}
  .geo-box{padding:24px 20px;}
  .faq-a{padding-left:0;margin-top:6px;}
  .cta-box{padding:38px 22px;}
  .stat .num{font-size:28px;}
}