@font-face{font-family:'PingFangSC';src:url('assets/fonts/PingFangSC-Semibold.otf') format('opentype');font-display:swap}
:root{--ink:#14284a;--muted:#5f7a94;--line:rgba(116,170,181,.2);--mint:#00af79;--mint-deep:#05845f;--mint-soft:#e9fbf5;--glass:rgba(255,255,255,.8);--shadow:0 18px 50px rgba(68,137,153,.14);--radius:20px}
:root[data-theme="dark"]{color-scheme:dark;--ink:#e4efe9;--muted:#8aa39b;--line:rgba(255,255,255,.1);--mint:#2fd8a6;--mint-deep:#4be1b4;--mint-soft:#102b25;--glass:rgba(24,38,45,.84);--shadow:0 18px 50px rgba(0,0,0,.5)}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font-family:'PingFangSC',Inter,'Segoe UI','Microsoft YaHei',sans-serif;background:linear-gradient(160deg,#e8f9fb 0%,#f7ffff 45%,#dcf5f1 100%);color:var(--ink);min-width:320px}
:root[data-theme="dark"] body{background:linear-gradient(160deg,#0e1a20 0%,#102228 45%,#0e2023 100%)}
a{color:inherit;text-decoration:none}
img{max-width:100%}
section{padding:84px min(6vw,90px)}
h2{font-size:clamp(24px,3vw,36px);letter-spacing:-.5px}
.muted{color:var(--muted);margin-top:10px}
/* header */
.topbar{position:sticky;top:14px;z-index:50;display:flex;align-items:center;gap:26px;margin:14px min(4vw,60px) 0;padding:12px 22px;border:1px solid var(--line);border-radius:16px;background:var(--glass);backdrop-filter:blur(18px);box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:10px;font-size:15px;letter-spacing:1px}
.brand img{width:34px;height:34px;border-radius:9px}
.brand b{color:var(--mint)}
.nav{display:flex;gap:22px;flex:1;justify-content:center}
.nav a{font-size:13px;font-weight:650;color:var(--muted)}
.nav a:hover{color:var(--mint-deep)}
.actions{display:flex;align-items:center;gap:9px}
.icon-btn{display:grid;place-items:center;width:36px;height:36px;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--ink);font-size:14px;cursor:pointer}
.icon-btn.lang{font-size:11px;font-weight:800}
.cta-small{padding:9px 18px;border-radius:11px;background:linear-gradient(135deg,#2de0a0,#079766);color:#fff;font-size:13px;font-weight:750;box-shadow:0 8px 19px rgba(0,155,105,.25)}
/* hero */
.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;padding-top:70px}
.eyebrow{font-size:11px;letter-spacing:2.5px;font-weight:800;color:var(--mint-deep)}
.hero h1{margin-top:14px;font-size:clamp(30px,4.2vw,54px);line-height:1.14;letter-spacing:-1.5px}
.hero .sub{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.75}
.hero-btns{display:flex;gap:14px;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 26px;border-radius:13px;border:1px solid var(--line);background:var(--glass);font-size:14px;font-weight:750}
.btn.primary{border-color:#08a977;background:linear-gradient(135deg,#2de0a0,#079766);color:#fff;box-shadow:0 10px 24px rgba(0,155,105,.3)}
.btn.big{padding:16px 34px;font-size:16px}
.hero-mini{display:flex;align-items:center;gap:12px;margin-top:22px;color:var(--muted);font-size:12px}
.hero-mini i{width:4px;height:4px;border-radius:50%;background:var(--mint)}
.hero-art{position:relative}
.hero-art img{border-radius:26px;box-shadow:var(--shadow)}
.chip{position:absolute;padding:12px 16px;border:1px solid var(--line);border-radius:14px;background:var(--glass);backdrop-filter:blur(14px);box-shadow:var(--shadow)}
.chip b{display:block;font-size:13px;color:var(--mint-deep)}
.chip small{color:var(--muted);font-size:10px}
.chip.c1{left:-24px;top:26px}
.chip.c2{right:-14px;top:40%}
.chip.c3{left:12%;bottom:-18px}
/* live */
.live{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:start}
.live-head p{color:var(--muted);margin-top:12px}
.uptime{margin-top:8px;font-size:clamp(28px,3.4vw,44px);font-weight:800;letter-spacing:1px;color:var(--mint-deep);font-variant-numeric:tabular-nums}
.live-board{border:1px solid var(--line);border-radius:var(--radius);background:var(--glass);backdrop-filter:blur(16px);box-shadow:var(--shadow);padding:22px}
.live-board h3{font-size:14px;color:var(--muted);margin-bottom:12px}
.board .row{display:flex;justify-content:space-between;align-items:center;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}
.board .row:last-child{border-bottom:0}
.board .row b{font-weight:700}
.board .row .pnl{font-weight:800;color:var(--mint-deep);font-variant-numeric:tabular-nums}
.board .row .pnl.neg{color:#f75e69}
.empty{padding:26px;text-align:center;color:var(--muted);font-size:13px}
/* partners */
.partners{text-align:center}
.partners p{color:var(--muted);margin-top:10px}
.logos{display:flex;justify-content:center;align-items:center;gap:clamp(18px,4vw,54px);margin-top:34px;flex-wrap:wrap}
.logos img{height:34px;filter:saturate(.9)}
/* strengths */
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
.card{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--glass);box-shadow:var(--shadow)}
.card b{font-size:16px;color:var(--mint-deep)}
.card p{margin-top:10px;color:var(--muted);font-size:13px;line-height:1.75}
/* steps */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}
.step{position:relative;padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:var(--glass);box-shadow:var(--shadow)}
.step i{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--mint-soft);color:var(--mint-deep);font-style:normal;font-weight:800;font-size:17px}
.step b{display:block;margin-top:16px;font-size:16px}
.step p{margin-top:8px;color:var(--muted);font-size:13px;line-height:1.7}
/* ticker */
.ticker{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:26px}
.ticker .tk{padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--glass)}
.ticker .tk b{display:block;font-size:14px}
.ticker .tk small{display:block;margin-top:4px;color:var(--muted);font-size:11px}
.ticker .tk .pct{margin-top:10px;font-size:19px;font-weight:800;color:var(--mint-deep);font-variant-numeric:tabular-nums}
/* news */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
.news-card{display:block;padding:20px;border:1px solid var(--line);border-radius:18px;background:var(--glass);box-shadow:var(--shadow)}
.news-card b{display:block;font-size:13px;line-height:1.6;max-height:64px;overflow:hidden}
.news-card small{display:block;margin-top:12px;color:var(--muted);font-size:11px}
/* faq */
.faq details{border:1px solid var(--line);border-radius:14px;background:var(--glass);padding:18px 22px;margin-top:12px}
.faq summary{cursor:pointer;font-weight:700;font-size:14px}
.faq details p{margin-top:10px;color:var(--muted);font-size:13px;line-height:1.75}
/* cta */
.cta{text-align:center;padding:90px min(6vw,90px)}
.cta .btn{margin-top:26px}
/* footer */
.foot{padding:44px min(6vw,90px) 60px;border-top:1px solid var(--line);text-align:center}
.foot .brand{justify-content:center;display:flex}
.foot p{margin-top:12px;font-size:12px}
@media(max-width:980px){
  .nav{display:none}
  .hero,.live{grid-template-columns:1fr}
  .chip.c2{right:6px}
  .grid4,.news-grid{grid-template-columns:repeat(2,1fr)}
  .grid3,.ticker{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .grid4,.grid3,.news-grid,.ticker{grid-template-columns:1fr}
  .chip.c1{left:4px}
}