:root{
  --bg:#070a14; --bg2:#0b1120; --panel:#101a30; --panel2:#16223e;
  --line:#21304f; --txt:#e7edff; --muted:#8ea0c7; --dim:#5f6f93;
  --cyan:#39e6ff; --gold:#ffcf4d; --pink:#ff5fa2; --green:#4ade80;
  --r-common:#9aa3b2; --r-uncommon:#4ade80; --r-rare:#38bdf8;
  --r-epic:#c084fc; --r-legendary:#ffb020;
  --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Segoe UI",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  background:radial-gradient(1200px 600px at 70% -10%,#16234a 0%,transparent 60%),
             radial-gradient(900px 500px at 0% 20%,#1a1340 0%,transparent 55%),var(--bg);
  color:var(--txt);min-height:100vh;line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
section{padding:84px 0;position:relative}
.kicker{display:inline-block;font-size:12px;letter-spacing:3px;text-transform:uppercase;
  color:var(--cyan);border:1px solid var(--line);padding:5px 12px;border-radius:30px;margin-bottom:14px;
  background:#0c1730}
h2.title{font-size:clamp(26px,4vw,40px);margin:0 0 10px;font-weight:800;letter-spacing:.5px}
h3{font-size:clamp(18px,2.4vw,22px);margin:0 0 10px}
.sec-sub{color:var(--muted);max-width:700px;font-size:15px}
.glow-txt{background:linear-gradient(90deg,var(--cyan),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ===== Nav ===== */
header.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);
  background:rgba(7,10,20,.82);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:14px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:1px}
.logo .mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--cyan),var(--pink));
  display:grid;place-items:center;font-size:16px;box-shadow:0 0 18px rgba(57,230,255,.5)}
.nav-links{display:flex;gap:2px;flex-wrap:wrap}
.nav-links a{padding:8px 11px;border-radius:8px;font-size:14px;color:var(--muted);transition:.15s;white-space:nowrap}
.nav-links a:hover{color:var(--txt);background:#13203c}
.nav-links a.active{color:var(--cyan);background:#0e1c38}
.lang-btn{display:flex;border:1px solid var(--line);border-radius:30px;overflow:hidden;font-size:13px;font-weight:700}
.lang-btn button{background:transparent;border:none;color:var(--muted);padding:7px 12px;cursor:pointer;font-family:inherit}
.lang-btn button.on{background:linear-gradient(90deg,var(--cyan),#2aa9c4);color:#04121a}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;color:var(--txt);font-size:20px;padding:4px 10px;cursor:pointer}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:inherit;cursor:pointer;border:none;
  border-radius:12px;padding:13px 22px;font-weight:700;font-size:15px;transition:.15s}
.btn-primary{background:linear-gradient(90deg,var(--cyan),#2aa9c4);color:#04121a;box-shadow:0 6px 24px rgba(57,230,255,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(57,230,255,.4)}
.btn-gold{background:linear-gradient(90deg,var(--gold),#e0a92e);color:#1a1300;box-shadow:0 6px 24px rgba(255,207,77,.25)}
.btn-gold:hover{transform:translateY(-2px)}
.btn-ghost{background:#13203c;color:var(--txt);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important}

/* ===== Hero / Home ===== */
.hero{padding:72px 0 46px;text-align:center}
.hero h1{font-size:clamp(34px,6.5vw,68px);margin:18px 0 8px;line-height:1.05;font-weight:900;letter-spacing:1px}
.hero p.lead{color:var(--muted);font-size:clamp(15px,2vw,19px);max-width:640px;margin:0 auto 26px}
.hero .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-art{margin:34px auto 0;max-width:760px;display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.hero-art .ma{aspect-ratio:1;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#0a1326;position:relative}
.hero-art .ma img{width:100%;height:100%;object-fit:cover}
.hero-art .ma .tt{position:absolute;left:6px;top:6px;font-size:10px;font-weight:800;padding:1px 6px;border-radius:5px;background:#000a}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:46px}
.stat{background:linear-gradient(180deg,var(--panel),var(--bg2));border:1px solid var(--line);border-radius:16px;padding:22px 14px;text-align:center}
.stat .num{font-size:clamp(24px,3.5vw,38px);font-weight:900;color:var(--cyan)}
.stat .lbl{color:var(--muted);font-size:13px;margin-top:4px}
.quick-links{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
.ql{display:block;background:linear-gradient(180deg,var(--panel),var(--bg2));border:1px solid var(--line);border-radius:16px;padding:22px;text-align:center;transition:.18s}
.ql:hover{border-color:var(--cyan);transform:translateY(-3px)}
.ql .ic{font-size:26px}.ql h4{margin:10px 0 4px;font-size:16px}.ql p{margin:0;color:var(--muted);font-size:13px}

/* ===== Generic panel ===== */
.panel{background:linear-gradient(180deg,var(--panel),var(--bg2));border:1px solid var(--line);border-radius:18px;padding:26px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.trait-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.trait-list span{background:#0e1c38;border:1px solid var(--line);border-radius:20px;padding:5px 13px;font-size:13px;color:#cfe0ff}

/* ===== Tiers ===== */
.tier-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:28px}
.tcard{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--panel);transition:.18s}
.tcard:hover{transform:translateY(-4px)}
.tcard .img{aspect-ratio:1;background:#0a1326;position:relative}
.tcard .img img{width:100%;height:100%;object-fit:cover}
.tcard .cap{padding:12px;text-align:center}
.tcard .cap .nm{font-weight:800;font-size:15px}
.tcard .cap .ct{color:var(--muted);font-size:13px;margin-top:2px}
.tcard .cap .ds{color:var(--dim);font-size:12px;margin-top:6px;min-height:32px}

/* ===== Distribution bar ===== */
.dist{margin-top:34px}
.dist-row{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.dist-row .nm{width:96px;font-weight:700;font-size:14px;text-align:right}
.dist-row .bar{flex:1;height:26px;background:#0c1730;border-radius:8px;overflow:hidden;border:1px solid var(--line)}
.dist-row .fill{height:100%;border-radius:8px;transition:width 1.1s cubic-bezier(.2,.8,.2,1)}
.dist-row .val{width:96px;font-size:13px;color:var(--muted);text-align:right}

/* ===== Gallery grid ===== */
.gal-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:12px;margin-top:26px}
.gal-grid .g{aspect-ratio:1;border-radius:10px;overflow:hidden;border:1px solid var(--line);background:#0a1326;position:relative}
.gal-grid .g img{width:100%;height:100%;object-fit:cover}
.gal-grid .g .tid{position:absolute;left:0;right:0;bottom:0;font-size:11px;text-align:center;padding:2px;
  background:linear-gradient(0deg,#000c,#0000);color:#cfe0ff}
.os-embed{margin-top:34px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#0a1326}
.os-embed iframe{width:100%;height:560px;border:0;display:block}
.os-note{font-size:12px;color:var(--dim);margin-top:12px}

/* ===== Whitelist steps ===== */
.steps{display:flex;flex-direction:column;gap:18px;margin-top:30px;max-width:760px}
.step{display:flex;gap:18px;background:linear-gradient(180deg,var(--panel),var(--bg2));border:1px solid var(--line);
  border-radius:18px;padding:22px;position:relative;transition:.18s}
.step.locked{opacity:.55}
.step.active{border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan) inset}
.step.done{border-color:var(--green)}
.step .num{width:42px;height:42px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;font-weight:900;
  background:#0e1c38;border:1px solid var(--line);color:var(--muted);font-size:18px}
.step.done .num{background:var(--green);color:#04121a;border-color:var(--green)}
.step.active .num{background:var(--cyan);color:#04121a;border-color:var(--cyan)}
.step .body{flex:1;min-width:0}
.step .body h3{margin:2px 0 6px;font-size:18px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.step .body p{color:var(--muted);font-size:14px;margin:0 0 14px}
.badge-done{font-size:12px;color:var(--green);font-weight:700}
.lock-ic{font-size:13px;color:var(--dim)}
.tweet-embed{margin:6px 0 14px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#0a1326}
.tweet-embed iframe{width:100%;border:0;display:block}
.wl-handle{color:var(--cyan);font-weight:700}
.input{width:100%;background:#0c1730;border:1px solid var(--line);border-radius:10px;padding:12px 14px;
  color:var(--txt);font-family:inherit;font-size:14px;transition:.15s;margin-top:6px}
.input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(57,230,255,.15)}
.input.err{border-color:#ff6b6b}
.wl-status{font-size:13px;color:var(--muted);min-height:18px;margin-top:10px}
.wl-status.err{color:#ff8a8a}.wl-status.ok{color:#7af0a0}
.wl-note{font-size:12px;color:var(--dim);margin-top:14px;border-top:1px dashed var(--line);padding-top:12px}
.sybil-box{margin-top:22px;background:rgba(0,240,255,.05);border:1px solid var(--line);border-radius:14px;padding:18px 20px;max-width:760px}
.sybil-box h4{margin:0 0 6px;color:var(--cyan);font-size:15px;letter-spacing:.3px}
.sybil-box p{margin:0 0 10px;font-size:13px;color:var(--muted)}
.sybil-list{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px}
.sybil-list li{font-size:13px;color:var(--txt);background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:999px;padding:6px 14px}

/* ===== Mint ===== */
.mint-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:30px;align-items:start}
.chain-pill{display:inline-block;padding:5px 14px;border-radius:20px;font-size:13px;background:#13203c;color:var(--muted);border:1px solid var(--line)}
.chain-pill.bad{background:#3a1620;color:#ff9aa2;border-color:#5a2230}
.chain-pill.good{background:#10301f;color:#7af0a0;border-color:#1c5236}
.mint-info{display:flex;flex-direction:column;gap:14px}
.mint-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.mint-row .k{color:var(--muted);font-size:14px}
.mint-row .v{font-weight:800;font-size:15px}
.progress{height:14px;background:#0c1730;border-radius:10px;overflow:hidden;border:1px solid var(--line);margin-top:6px}
.progress .pf{height:100%;background:linear-gradient(90deg,var(--cyan),var(--gold));width:0;transition:width 1s}
.mint-status{font-size:13px;color:var(--muted);min-height:20px;margin-top:12px}
.mint-status.err{color:#ff8a8a}.mint-status.ok{color:#7af0a0}

/* ===== Synthesis / Game ===== */
.feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:28px}
.feat{border:1px solid var(--line);border-radius:16px;padding:24px;background:linear-gradient(180deg,var(--panel),var(--bg2));transition:.18s}
.feat:hover{border-color:var(--cyan)}
.feat h3{margin:0 0 8px;font-size:19px;display:flex;align-items:center;gap:10px}
.feat p{color:var(--muted);font-size:14px;margin:0 0 16px}
.synth-diagram{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;margin:18px 0}
.synth-diagram .box{width:62px;height:62px;border-radius:12px;background:#0a1326;border:2px solid var(--r-common);display:grid;place-items:center;font-size:12px;font-weight:700}
.synth-diagram .arrow{font-size:24px;color:var(--gold)}
.synth-diagram .out{border-color:var(--gold);width:74px;height:74px}

/* ===== Roadmap ===== */
.road{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px;position:relative}
.road::before{content:"";position:absolute;top:24px;left:6%;right:6%;height:2px;background:linear-gradient(90deg,var(--cyan),var(--pink));opacity:.4}
.rcard{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px;position:relative;z-index:1}
.rcard .dot{width:14px;height:14px;border-radius:50%;background:var(--cyan);margin:0 auto 14px;box-shadow:0 0 14px var(--cyan)}
.rcard .ph{font-size:12px;color:var(--gold);font-weight:700;letter-spacing:1px}
.rcard h4{margin:6px 0 10px;font-size:17px}
.rcard ul{margin:0;padding-left:18px;color:var(--muted);font-size:13px}
.rcard li{margin-bottom:6px}

/* ===== FAQ ===== */
.faq-list{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.faq{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq .q{width:100%;text-align:left;background:none;border:none;color:var(--txt);font-family:inherit;
  font-size:16px;font-weight:700;padding:18px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:10px}
.faq .q .pm{color:var(--cyan);font-size:22px;transition:.2s;flex-shrink:0}
.faq.open .q .pm{transform:rotate(45deg)}
.faq .a{max-height:0;overflow:hidden;transition:max-height .3s;color:var(--muted);font-size:14px}
.faq .a div{padding:0 20px 18px}

/* ===== Footer ===== */
footer{border-top:1px solid var(--line);background:#060a13;padding:46px 0 28px;margin-top:30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.foot-grid h5{margin:0 0 14px;font-size:14px;color:var(--cyan);letter-spacing:1px}
.foot-grid a,.foot-grid p{color:var(--muted);font-size:13px;margin:0 0 8px;display:block}
.foot-grid a:hover{color:var(--txt)}
.foot-bottom{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;color:var(--dim);font-size:12px;text-align:center}
.code{font-family:ui-monospace,Menlo,Consolas,monospace;background:#0c1730;border:1px solid var(--line);
  padding:2px 8px;border-radius:6px;color:var(--gold);font-size:12px;word-break:break-all}

/* ===== Toast ===== */
.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(20px);background:var(--panel2);
  border:1px solid var(--cyan);color:var(--txt);padding:14px 22px;border-radius:12px;box-shadow:0 10px 40px rgba(0,0,0,.5);
  opacity:0;pointer-events:none;transition:.3s;z-index:80;max-width:90vw}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ===== Back button ===== */
.back-bar{padding:14px 0 0}
.back-btn{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--cyan);
  text-decoration:none;border:1px solid var(--line);padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.03);transition:.15s}
.back-btn:hover{border-color:var(--cyan);background:rgba(57,230,255,.08);transform:translateY(-1px)}

/* ===== Responsive ===== */
@media(max-width:900px){
  .grid-2,.grid-3,.mint-grid,.feat-grid{grid-template-columns:1fr}
  .tier-cards{grid-template-columns:repeat(2,1fr)}
  .road{grid-template-columns:1fr 1fr}.road::before{display:none}
  .stats,.quick-links{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;
    background:rgba(7,10,20,.97);padding:12px 20px;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .burger{display:block}
  .foot-grid{grid-template-columns:1fr}
}