:root{
  --bg:#0a0f1c;--card:#111a2e;--line:#1e2a45;--text:#eaf0ff;--muted:#93a4c8;
  --blue:#1a56db;--cyan:#06b6d4;--purple:#7c3aed;--orange:#f7931a;--white:#ffffff;
  --radius:14px;--shadow:0 10px 30px rgba(6,182,212,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;line-height:1.7;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;z-index:100;background:rgba(10,15,28,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.nav-brand{display:flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:700;color:var(--white)}
.nav-brand i{font-style:normal;color:var(--orange)}
nav ul{display:flex;gap:28px;list-style:none}
nav a{color:var(--text);font-size:.95rem;transition:.3s}
nav a:hover{color:var(--orange)}
.nav-cta{padding:9px 20px;background:linear-gradient(135deg,var(--blue),var(--purple));border-radius:30px;color:#fff!important;font-weight:600}
main{min-height:70vh}
.hero{padding:100px 0 70px;text-align:center;position:relative;background:radial-gradient(circle at 20% 20%,rgba(26,86,219,.25),transparent 55%),radial-gradient(circle at 80% 60%,rgba(124,58,237,.18),transparent 50%)}
.hero-badge{display:inline-block;padding:8px 18px;border:1px solid rgba(6,182,212,.4);border-radius:30px;color:var(--cyan);font-size:.9rem;margin-bottom:18px}
.hero h1{font-size:2.9rem;line-height:1.25;margin-bottom:20px;color:var(--white)}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero p{max-width:760px;margin:0 auto 32px;color:var(--muted);font-size:1.05rem}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 32px;border-radius:30px;font-weight:600;transition:.3s}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff}
.btn-cta{background:linear-gradient(135deg,var(--orange),#ffb35c);color:#fff}
.btn-outline{border:1px solid var(--cyan);color:var(--cyan)}
.btn:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(247,147,26,.3)}
.btn-pulse{animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(247,147,26,.4)}50%{box-shadow:0 0 0 16px rgba(247,147,26,0)}}
.section-title{font-size:2rem;color:var(--white);text-align:center;margin-bottom:12px}
.section-sub{text-align:center;color:var(--muted);margin-bottom:44px}
.grid{display:grid;gap:24px;margin-bottom:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.35s}
.card:hover{transform:translateY(-6px);border-color:rgba(6,182,212,.5);box-shadow:var(--shadow)}
.card h3{color:var(--white);margin-bottom:12px;font-size:1.12rem}
.card p{color:var(--muted);font-size:.95rem}
.icon{font-size:2rem;margin-bottom:12px;display:inline-block}
.stat{text-align:center;padding:30px 18px}
.stat-num{font-size:2.4rem;font-weight:800;background:linear-gradient(135deg,var(--cyan),var(--blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.stat-label{color:var(--muted);font-size:.92rem;margin-top:6px}
.coin{display:flex;align-items:center;gap:14px;padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--card);transition:.3s}
.coin:hover{border-color:var(--orange)}
.coin-symbol{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;flex-shrink:0}
.coin-name{font-weight:700;color:var(--white)}
.coin-price{color:var(--cyan);font-weight:600}
.coin-change{color:var(--orange);font-size:.85rem}
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:12px;margin-bottom:14px;background:var(--card);overflow:hidden}
.faq-item summary{cursor:pointer;padding:18px 22px;font-weight:600;color:var(--white);list-style:none;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:22px;color:var(--cyan);font-size:1.4rem}
.faq-item[open] summary::after{content:"-"}
.faq-item p{padding:0 22px 18px;color:var(--muted)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-row{margin-bottom:16px}
label{display:block;margin-bottom:6px;color:var(--text);font-size:.92rem;font-weight:600}
input,textarea,select{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#0e1830;color:var(--text);outline:none;transition:.3s}
input:focus,textarea:focus{border-color:var(--cyan)}
footer{background:#070c17;border-top:1px solid var(--line);padding:40px 0;margin-top:60px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:30px}
.footer-grid h4{color:var(--white);margin-bottom:14px}
.footer-grid a,.footer-grid p{display:block;color:var(--muted);font-size:.9rem;margin-bottom:8px}
.footer-bottom{text-align:center;color:var(--muted);font-size:.85rem;border-top:1px solid var(--line);padding-top:20px}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
.ticker{display:flex;gap:16px;overflow:hidden;white-space:nowrap;padding:14px 0;animation:tickerMove 22s linear infinite}
@keyframes tickerMove{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.ticker span{color:var(--muted);font-size:.9rem}
.ticker b{color:var(--white);margin-right:6px}
.match-anim{position:relative;height:160px;overflow:hidden;border:1px solid var(--line);border-radius:12px;background:#0b1428}
.match-line{position:absolute;left:0;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--cyan),var(--purple),transparent);animation:matchLine 3s infinite}
@keyframes matchLine{0%{transform:translateY(0);opacity:0}20%{opacity:1}100%{transform:translateY(150px);opacity:0}}
.flow-line{height:3px;border-radius:3px;background:linear-gradient(90deg,var(--orange),var(--cyan));animation:flowMove 1.6s ease-in-out infinite;margin-bottom:10px}
@keyframes flowMove{0%{width:20%}50%{width:100%}100%{width:20%}}
.sync-anim{display:flex;justify-content:center;gap:30px;padding:20px 0}
.sync-dot{width:14px;height:14px;border-radius:50%;background:var(--cyan);animation:syncPing 1.8s infinite}
.sync-dot:nth-child(2){animation-delay:.3s}
.sync-dot:nth-child(3){animation-delay:.6s}
@keyframes syncPing{0%,100%{transform:scale(1);opacity:.4}50%{transform:scale(1.6);opacity:1}}
.hero-app{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;margin-top:26px}
.app-frame{width:220px;padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--card);animation:floatY 3.5s ease-in-out infinite}
.app-frame:nth-child(2){animation-delay:.8s}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.btn-small{display:inline-block;padding:8px 18px;border-radius:20px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;font-size:.85rem;font-weight:600;margin-top:10px}
@media(max-width:900px){
  .grid-2,.grid-3,.grid-4,.footer-grid,.form-grid{grid-template-columns:1fr}
  .hero h1{font-size:2rem}
  nav ul{display:none}
}
@media(max-width:600px){
  .hero{padding:70px 0 40px}
  .hero h1{font-size:1.6rem}
}
.soft-img{width:100%;height:auto;display:block;border-radius:14px;margin-bottom:14px;box-shadow:0 8px 24px rgba(0,0,0,.25);transition:transform .4s ease}
.card:hover .soft-img{transform:scale(1.03)}