:root{
  --bg:#0a111e;--bg2:#0e1729;--panel:#111c33;--panel2:#0f1830;
  --line:rgba(255,255,255,.08);--line2:rgba(240,185,11,.28);
  --txt:#e7edf7;--mut:#93a2bd;--mut2:#6f7e98;
  --gold:#f0b90b;--gold2:#f9d85b;--goldd:#c98a05;
  --up:#16c784;--down:#ea3943;
  --r:16px;--rs:12px;--mx:1180px;
  --sh:0 18px 50px rgba(0,0,0,.45);
  --ff:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--ff);color:var(--txt);line-height:1.7;
  background:
    radial-gradient(1100px 560px at 82% -8%,rgba(240,185,11,.14),transparent 60%),
    radial-gradient(900px 520px at 6% 4%,rgba(22,199,132,.08),transparent 58%),
    linear-gradient(180deg,#0a111e 0%,#0b1424 100%);
  background-attachment:fixed;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
h1,h2,h3{margin:0;line-height:1.25;font-weight:800;letter-spacing:.2px}
p{margin:0}
.wrap{width:100%;max-width:var(--mx);margin:0 auto;padding:0 22px}
.section{padding:74px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold2);background:rgba(240,185,11,.10);border:1px solid var(--line2);padding:6px 14px;border-radius:999px}
.lead{color:var(--mut);font-size:17px;max-width:720px}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* header */
.hdr{position:sticky;top:0;z-index:50;backdrop-filter:saturate(160%) blur(14px);background:rgba(10,17,30,.78);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:.3px}
.brand img{width:34px;height:34px}
.brand b{color:var(--gold)}
.nav-links{display:flex;gap:26px;font-size:15px;color:var(--mut);font-weight:600}
.nav-links a:hover{color:var(--txt)}
.nav-actions{display:flex;align-items:center;gap:12px}
.lang{font-size:14px;color:var(--mut);border:1px solid var(--line);padding:7px 13px;border-radius:999px}
.lang:hover{color:var(--txt);border-color:var(--line2)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:inherit;font-weight:700;font-size:15.5px;cursor:pointer;border:0;border-radius:12px;padding:14px 26px;transition:transform .15s ease,box-shadow .2s ease,background .2s ease;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-gold{background:linear-gradient(135deg,var(--gold2),var(--gold) 55%,var(--goldd));color:#1a1305;box-shadow:0 10px 26px rgba(240,185,11,.34)}
.btn-gold:hover{box-shadow:0 14px 34px rgba(240,185,11,.46)}
.btn-ghost{background:rgba(255,255,255,.05);color:var(--txt);border:1px solid var(--line2)}
.btn-ghost:hover{background:rgba(255,255,255,.09)}
.btn-lg{padding:17px 34px;font-size:17px;border-radius:14px}
.btn-block{width:100%}

/* hero */
.hero{position:relative;padding:64px 0 30px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(30px,5vw,52px);margin:18px 0 0}
.hero h1 .hl{background:linear-gradient(120deg,var(--gold2),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{margin-top:18px;font-size:18px}
.slogan{margin-top:14px;font-size:clamp(18px,2.6vw,24px);font-weight:800;letter-spacing:.6px;line-height:1.4;background:linear-gradient(120deg,var(--gold2),var(--gold) 60%,var(--goldd));-webkit-background-clip:text;background-clip:text;color:transparent}
.slogan .sep{color:var(--mut2);-webkit-text-fill-color:var(--mut2);font-weight:600;margin:0 6px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;color:var(--mut2);font-size:14px}
.hero-trust span{display:inline-flex;align-items:center;gap:7px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--up);box-shadow:0 0 0 4px rgba(22,199,132,.16)}

/* device/terminal mock */
.term{position:relative;border-radius:20px;background:linear-gradient(160deg,#0f1c33,#0c1626);border:1px solid var(--line2);box-shadow:var(--sh);padding:18px;overflow:hidden}
.term:before{content:"";position:absolute;inset:0;background:radial-gradient(420px 200px at 85% 0,rgba(240,185,11,.16),transparent 60%);pointer-events:none}
.term-bar{display:flex;align-items:center;gap:7px;margin-bottom:14px}
.term-bar i{width:11px;height:11px;border-radius:50%;display:inline-block}
.term-bar i:nth-child(1){background:#ea3943}.term-bar i:nth-child(2){background:#f0b90b}.term-bar i:nth-child(3){background:#16c784}
.term-pair{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:6px}
.term-pair b{font-size:22px}
.term-pair .up{color:var(--up);font-weight:700;font-size:14px}
.term-price{font-size:34px;font-weight:800;letter-spacing:.5px}
.spark{margin-top:14px;width:100%;height:84px}
.term-rows{margin-top:14px;display:grid;gap:9px}
.trow{display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.035);border:1px solid var(--line);border-radius:10px;padding:10px 13px;font-size:14px}
.trow .c{display:flex;align-items:center;gap:9px;font-weight:600}
.coin{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:800;color:#0a111e}
.coin.b{background:linear-gradient(135deg,#f9d85b,#f0b90b)}
.coin.e{background:linear-gradient(135deg,#8a93ff,#5a67e8);color:#fff}
.coin.s{background:linear-gradient(135deg,#19fb9b,#00c2ff);color:#03261a}
.coin.x{background:linear-gradient(135deg,#f7931a,#b76b09);color:#fff}
.pos{color:var(--up);font-weight:700}.neg{color:var(--down);font-weight:700}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:var(--r);padding:24px 22px;text-align:center}
.stat b{display:block;font-size:clamp(26px,3.4vw,38px);font-weight:800;background:linear-gradient(120deg,var(--gold2),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--mut);font-size:14px}

/* section head */
.shead{max-width:760px;margin-bottom:38px}
.shead.center{margin-left:auto;margin-right:auto}
.shead h2{font-size:clamp(24px,3.6vw,34px);margin:14px 0 12px}

/* market table */
.mkt{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.mkt table{width:100%;border-collapse:collapse}
.mkt th,.mkt td{padding:15px 18px;text-align:right;font-size:15px;white-space:nowrap}
.mkt th{color:var(--mut2);font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--line)}
.mkt th:first-child,.mkt td:first-child{text-align:left}
.mkt tbody tr{border-bottom:1px solid var(--line)}
.mkt tbody tr:last-child{border-bottom:0}
.mkt tbody tr:hover{background:rgba(255,255,255,.03)}
.mkt .nm{display:flex;align-items:center;gap:11px;font-weight:700}
.mkt .nm small{color:var(--mut2);font-weight:600}
.mkt-note{color:var(--mut2);font-size:12.5px;margin-top:12px}

/* feature cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;transition:transform .18s ease,border-color .18s ease}
.card:hover{transform:translateY(-4px);border-color:var(--line2)}
.ic{width:50px;height:50px;border-radius:13px;display:grid;place-items:center;background:rgba(240,185,11,.12);border:1px solid var(--line2);margin-bottom:16px}
.ic svg{width:26px;height:26px;stroke:var(--gold2)}
.card h3{font-size:18.5px;margin-bottom:9px}
.card p{color:var(--mut);font-size:15px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:s}
.step{position:relative;background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:var(--r);padding:28px 24px 24px}
.step:before{counter-increment:s;content:"0" counter(s);position:absolute;top:18px;right:20px;font-size:34px;font-weight:800;color:rgba(240,185,11,.18)}
.step h3{font-size:17px;margin:8px 0}
.step p{color:var(--mut);font-size:14.5px}

/* security band */
.band{background:linear-gradient(135deg,#0c1828,#0a1422);border:1px solid var(--line2);border-radius:22px;padding:46px;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;box-shadow:var(--sh)}
.band h2{font-size:clamp(23px,3.4vw,32px);margin-bottom:14px}
.band .lead{font-size:16px}
.seclist{display:grid;gap:14px;margin-top:8px}
.secitem{display:flex;gap:13px;align-items:flex-start}
.secitem .chk{flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:rgba(22,199,132,.14);border:1px solid rgba(22,199,132,.4);display:grid;place-items:center;color:var(--up);font-weight:800;font-size:14px}
.secitem b{display:block;font-size:15.5px}
.secitem span{color:var(--mut);font-size:14px}

/* download */
.dl{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line2);border-radius:22px;padding:44px;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}
.dl h2{font-size:clamp(23px,3.4vw,32px);margin-bottom:12px}
.dl-btns{display:flex;flex-wrap:wrap;gap:13px;margin-top:24px}
.dl-os{display:inline-flex;align-items:center;gap:11px;background:rgba(255,255,255,.05);border:1px solid var(--line2);border-radius:14px;padding:13px 20px;cursor:pointer;transition:background .18s ease}
.dl-os:hover{background:rgba(255,255,255,.1)}
.dl-os svg{width:26px;height:26px;fill:var(--txt)}
.dl-os small{display:block;color:var(--mut2);font-size:11.5px}
.dl-os b{font-size:15px}
.qr{flex:0 0 auto;width:172px;text-align:center}
.qr-box{width:172px;height:172px;border-radius:16px;background:#fff;display:grid;place-items:center;padding:12px}
.qr-box svg{width:100%;height:100%}
.qr span{display:block;color:var(--mut);font-size:13px;margin-top:12px}

/* faq */
.faq{display:grid;gap:13px;max-width:860px;margin:0 auto}
details{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:14px;padding:0 22px;overflow:hidden}
details[open]{border-color:var(--line2)}
summary{list-style:none;cursor:pointer;padding:19px 0;font-weight:700;font-size:16.5px;display:flex;justify-content:space-between;align-items:center;gap:16px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";color:var(--gold);font-size:24px;font-weight:400;line-height:1;transition:transform .2s ease}
details[open] summary:after{transform:rotate(45deg)}
details p{color:var(--mut);font-size:15px;padding:0 0 20px}

/* final cta */
.cta-band{text-align:center;background:linear-gradient(135deg,rgba(240,185,11,.14),rgba(22,199,132,.06));border:1px solid var(--line2);border-radius:24px;padding:56px 32px;box-shadow:var(--sh)}
.cta-band h2{font-size:clamp(24px,3.8vw,36px);margin-bottom:14px}
.cta-band .hero-cta{justify-content:center}

/* footer */
.ftr{border-top:1px solid var(--line);margin-top:20px;padding:54px 0 30px;color:var(--mut)}
.ftr-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;margin-bottom:36px}
.ftr-grid h4{color:var(--txt);font-size:14px;margin:0 0 14px;letter-spacing:.04em}
.ftr-grid a{display:block;color:var(--mut);font-size:14px;padding:5px 0}
.ftr-grid a:hover{color:var(--gold2)}
.ftr .brand{margin-bottom:10px}
.ftr-slogan{font-size:16px;font-weight:800;letter-spacing:.5px;margin-bottom:12px;background:linear-gradient(120deg,var(--gold2),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.ftr-about{font-size:14px;color:var(--mut2);max-width:330px}
.ftr-bot{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--mut2)}
.disc{margin-top:18px;font-size:12.5px;color:var(--mut2);line-height:1.7;background:rgba(255,255,255,.025);border:1px solid var(--line);border-radius:12px;padding:16px 18px}

/* responsive */
@media (max-width:920px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .grid3,.steps{grid-template-columns:1fr 1fr}
  .band,.dl{grid-template-columns:1fr;padding:34px}
  .ftr-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
}
@media (max-width:560px){
  .section{padding:54px 0}
  .wrap{padding:0 16px}
  .stats,.grid3,.steps,.ftr-grid{grid-template-columns:1fr}
  .hero-cta .btn{flex:1 1 100%}
  .mkt{overflow-x:auto}
  .mkt table{min-width:520px}
  .dl{padding:26px}
  .qr{margin:0 auto}
  .ftr-bot{flex-direction:column;gap:8px}
}