:root{
  --bg:#07090d;--bg2:#0d1118;--card:#121822;--card2:#18202c;--line:#222c3b;
  --text:#e7ebf2;--muted:#9aa6b8;--red:#e8173f;--red2:#ff3d5f;--gold:#f5b942;--green:#2fd18b;
  --radius:16px;--wrap:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{overflow-x:clip;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font-family:Manrope,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:17px;line-height:1.7;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:var(--red2);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(7,9,13,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:20px;letter-spacing:.3px}
.logo:hover{text-decoration:none}
.logo b{color:var(--red2)}
.nav{display:flex;gap:4px;align-items:center}
.nav a{color:var(--muted);padding:8px 11px;border-radius:10px;font-size:15px;font-weight:600}
.nav a:hover,.nav a.on{color:var(--text);background:var(--card);text-decoration:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:12px;font-weight:800;font-size:16px;background:linear-gradient(135deg,var(--red),var(--red2));color:#fff;box-shadow:0 8px 30px rgba(232,23,63,.35);transition:transform .15s,box-shadow .15s;white-space:nowrap}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 36px rgba(232,23,63,.5);text-decoration:none}
.btn.ghost{background:transparent;border:1px solid var(--line);box-shadow:none;color:var(--text)}
.btn.ghost:hover{border-color:var(--red2)}
.btn.sm{padding:9px 16px;font-size:14px}
.burger{display:none;background:none;border:1px solid var(--line);color:var(--text);width:44px;height:44px;border-radius:10px;cursor:pointer;font-size:22px}
/* hero */
.hero{position:relative;padding:72px 0 56px;overflow:hidden;background:radial-gradient(900px 500px at 80% 10%,rgba(232,23,63,.18),transparent 60%),radial-gradient(700px 400px at 0% 100%,rgba(245,185,66,.08),transparent 60%)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(30px,4.6vw,52px);line-height:1.12;font-weight:800;letter-spacing:-.5px}
.hero h1 span{color:var(--red2)}
.hero p.lead{color:var(--muted);font-size:19px;margin:18px 0 28px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.badges{display:flex;gap:18px;flex-wrap:wrap;margin-top:28px;color:var(--muted);font-size:14px}
.badges span{display:flex;align-items:center;gap:6px}
.badges i{width:8px;height:8px;border-radius:50%;background:var(--green);display:inline-block}
.game{position:relative;background:linear-gradient(180deg,#0f1520,#0a0e15);border:1px solid var(--line);border-radius:22px;aspect-ratio:4/3;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.game .grid{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:40px 40px;opacity:.35}
.game .mult{position:absolute;top:38%;left:50%;transform:translate(-50%,-50%);font-size:clamp(40px,7vw,72px);font-weight:800;color:#fff;text-shadow:0 0 30px rgba(255,61,95,.6);font-variant-numeric:tabular-nums}
.game .mult.crash{color:var(--red2)}
.game svg.curve{position:absolute;inset:0;width:100%;height:100%}
.game .hist{position:absolute;top:12px;left:12px;right:12px;display:flex;gap:6px;overflow:hidden}
.game .hist b{font-size:12px;padding:2px 8px;border-radius:20px;background:#1b2330;color:#57a6ff;white-space:nowrap}
.game .hist b.p{color:#c86bff}.game .hist b.h{color:#ff4fa0}
.game .note{position:absolute;bottom:10px;right:14px;font-size:11px;color:var(--muted)}
/* layout */
main{display:block}
.sec{padding:56px 0}
.sec.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:clamp(24px,3vw,34px);line-height:1.25;margin:0 0 18px;font-weight:800;letter-spacing:-.3px}
h3{font-size:21px;margin:26px 0 10px;font-weight:700}
p{margin:0 0 16px}
.muted{color:var(--muted)}
.content{max-width:820px}
.content ul,.content ol{margin:0 0 18px 22px}
.content li{margin:6px 0}
.content strong{color:#fff}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card h3{margin-top:0}
.card .ic{width:44px;height:44px;border-radius:12px;background:rgba(232,23,63,.12);color:var(--red2);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}
a.card{color:var(--text);transition:border-color .15s,transform .15s}
a.card:hover{border-color:var(--red2);transform:translateY(-3px);text-decoration:none}
a.card p{color:var(--muted);font-size:15px;margin:0}
.steps{counter-reset:s;display:grid;gap:14px}
.steps li{list-style:none;counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 18px 18px 66px;position:relative}
.steps li:before{content:counter(s);position:absolute;left:18px;top:16px;width:34px;height:34px;border-radius:10px;background:var(--red);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
ol.steps{margin:0 0 20px}
.tbl{width:100%;overflow-x:auto;margin:0 0 22px;border:1px solid var(--line);border-radius:14px}
table{width:100%;border-collapse:collapse;min-width:520px;font-size:15px}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--card2);color:#fff;font-weight:700}
tr:last-child td{border-bottom:0}
.note-box{border-left:4px solid var(--gold);background:rgba(245,185,66,.07);padding:16px 20px;border-radius:0 12px 12px 0;margin:0 0 20px}
.note-box.red{border-color:var(--red2);background:rgba(232,23,63,.07)}
.note-box.green{border-color:var(--green);background:rgba(47,209,139,.07)}
.exp{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin:24px 0}
.exp .t{font-weight:800;color:var(--gold);font-size:14px;text-transform:uppercase;letter-spacing:.8px;margin-bottom:8px}
/* page head */
.phead{padding:44px 0 34px;background:radial-gradient(700px 300px at 85% 0,rgba(232,23,63,.15),transparent 60%);border-bottom:1px solid var(--line)}
.phead h1{font-size:clamp(28px,4vw,44px);line-height:1.15;font-weight:800;letter-spacing:-.4px;margin:10px 0 12px}
.phead p{color:var(--muted);font-size:18px;max-width:780px;margin:0}
.crumbs{font-size:14px;color:var(--muted)}
.crumbs a{color:var(--muted)}
.crumbs span{margin:0 6px;opacity:.5}
.meta{display:flex;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--muted);margin-top:16px}
.page{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;padding:44px 0}
.side{position:sticky;top:90px;align-self:start;display:grid;gap:16px}
.side .card{padding:20px}
.side h4{font-size:15px;margin-bottom:10px;color:#fff}
.side ul{list-style:none}
.side li a{display:block;padding:6px 0;color:var(--muted);font-size:15px;border-bottom:1px dashed var(--line)}
.side li a:hover{color:var(--text)}
.toc{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin:0 0 26px}
.toc b{display:block;margin-bottom:6px}
.toc ol{margin:0 0 0 20px}
.toc a{color:var(--muted)}
.ctabox{background:linear-gradient(135deg,#1a0d14,#121822);border:1px solid rgba(232,23,63,.35);border-radius:var(--radius);padding:26px;margin:30px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.ctabox h3{margin:0 0 4px}
.ctabox p{margin:0;color:var(--muted);font-size:15px}
/* reviews */
.rev{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:12px}
.rev .who{display:flex;align-items:center;gap:12px}
.rev .av{width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;flex:none}
.rev .who small{display:block;color:var(--muted);font-size:13px;line-height:1.3}
.rev p{margin:0;font-size:16px}
.rev .tag{font-size:13px;color:var(--gold)}
/* faq */
details{background:var(--card);border:1px solid var(--line);border-radius:14px;margin:0 0 12px;overflow:hidden}
summary{cursor:pointer;padding:18px 52px 18px 20px;font-weight:700;list-style:none;position:relative}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:20px;top:14px;font-size:24px;color:var(--red2);transition:transform .2s}
details[open] summary:after{transform:rotate(45deg)}
details .a{padding:0 20px 18px;color:var(--muted)}
/* footer */
.ftr{background:#05070a;border-top:1px solid var(--line);padding:50px 0 30px;margin-top:40px;font-size:15px}
.ftr .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:30px}
.ftr h4{color:#fff;margin-bottom:12px;font-size:16px}
.ftr ul{list-style:none}
.ftr li{margin:6px 0}
.ftr a{color:var(--muted)}
.ftr a:hover{color:var(--text)}
.ftr .bottom{border-top:1px solid var(--line);margin-top:34px;padding-top:22px;color:var(--muted);font-size:13px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.age{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:2px solid var(--red2);color:var(--red2);font-weight:800;font-size:14px;margin-right:10px;flex:none}
.warn{display:flex;align-items:center;color:var(--muted);font-size:13px;margin-top:16px}
.totop{position:fixed;right:18px;bottom:18px;width:46px;height:46px;border-radius:12px;background:var(--card2);border:1px solid var(--line);color:var(--text);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .2s;z-index:40}
.totop.show{opacity:1;pointer-events:auto}
.totop:hover{text-decoration:none;border-color:var(--red2)}
/* responsive */
@media (max-width:1060px){
  .nav{position:fixed;top:68px;left:0;right:0;bottom:0;background:var(--bg);flex-direction:column;align-items:stretch;padding:16px 20px;gap:2px;transform:translateX(100%);visibility:hidden;transition:transform .25s,visibility .25s;overflow-y:auto}
  .nav.open{transform:none;visibility:visible}
  .nav a{padding:13px 14px;font-size:17px}
  .burger{display:flex;align-items:center;justify-content:center}
  .hdr .btn.sm{display:none}
  .page{grid-template-columns:1fr}
  .side{position:static}
}
@media (max-width:860px){
  .hero .wrap{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr 1fr}
  .ftr .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .hero{padding:40px 0}
  .grid3,.grid2{grid-template-columns:1fr}
  .sec{padding:42px 0}
  .ftr .cols{grid-template-columns:1fr}
  .btn{width:100%}
  .hero .cta .btn{width:auto;flex:1}
  .ctabox .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}