:root{
  --primary:#2980FE;
  --primary-dark:#1266dd;
  --bg:#ffffff;
  --soft:#F4F8FF;
  --soft2:#EEF5FF;
  --gray:#E5EAF2;
  --text:#263244;
  --muted:#667085;
  --dark:#111827;
  --shadow:0 14px 40px rgba(41,128,254,.10);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,#fff 0%,#f7faff 48%,#fff 100%);line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.narrow{width:min(860px,calc(100% - 32px));margin:0 auto}.section{padding:58px 0}.section-soft{padding:58px 0;background:linear-gradient(135deg,#f7faff 0%,#edf5ff 100%)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--gray)}
.nav-wrap{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--dark)}.brand img{width:44px;height:44px;object-fit:contain}.brand span{font-size:18px}.nav-toggle{border:1px solid var(--gray);background:#fff;color:var(--dark);border-radius:14px;padding:8px 12px;font-size:20px}.site-nav{display:none;position:absolute;left:16px;right:16px;top:72px;background:#fff;border:1px solid var(--gray);border-radius:18px;padding:12px;box-shadow:var(--shadow)}.site-nav.open{display:grid;gap:4px}.site-nav a{padding:11px 14px;border-radius:12px;color:#4b5563;font-size:14px}.site-nav a:hover,.site-nav a.active{color:var(--primary);background:#edf5ff}.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 24px;border-radius:999px;background:var(--primary);color:#fff!important;font-weight:800;box-shadow:0 12px 24px rgba(41,128,254,.22);transition:.2s ease}.download-btn:hover{transform:translateY(-2px);background:var(--primary-dark)}
.product-hero{padding:58px 0 42px;position:relative;overflow:hidden}.product-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 8%,rgba(41,128,254,.16),transparent 34%),radial-gradient(circle at 12% 24%,rgba(41,128,254,.09),transparent 28%);pointer-events:none}.hero-grid{position:relative;display:grid;gap:34px;align-items:center}.eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;border:1px solid #cfe1fb;background:#edf5ff;color:var(--primary);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:750}.product-hero h1,.page-hero h1{font-size:clamp(34px,7vw,64px);line-height:1.12;margin:18px 0;color:var(--dark);letter-spacing:-.04em}.lead{font-size:18px;color:#526071;margin:0 0 22px}.hero-tags,.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.hero-tags span,.tag-row span{background:#fff;border:1px solid var(--gray);border-radius:999px;padding:7px 12px;color:#506074;font-size:13px}.app-visual{position:relative;padding:22px;border-radius:34px;background:linear-gradient(145deg,#fff,#edf5ff);border:1px solid #dce8f8;box-shadow:var(--shadow)}.app-visual img{margin:auto;max-height:480px;object-fit:contain}.float-card{position:absolute;background:#fff;border:1px solid #dce8f8;border-radius:18px;padding:12px 14px;box-shadow:0 12px 30px rgba(15,23,42,.08);font-weight:800;color:#243247}.float-card small{display:block;color:var(--muted);font-weight:500}.float-a{left:10px;top:16px}.float-b{right:8px;top:34%}.float-c{left:24px;bottom:24px}.float-d{right:20px;bottom:18px}.feature-shortcuts{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.shortcut-card,.feature-card,.risk-card,.category-card,.faq-item,.info-card{background:#fff;border:1px solid var(--gray);border-radius:var(--radius);padding:20px;box-shadow:0 10px 30px rgba(15,23,42,.045)}.shortcut-card{min-height:148px}.icon-chip{width:38px;height:38px;border-radius:14px;background:#edf5ff;color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:900;margin-bottom:12px}.shortcut-card h3,.feature-card h3,.risk-card h3,.category-card h3,.info-card h3{margin:0 0 8px;color:var(--dark);font-size:19px}.shortcut-card p,.feature-card p,.risk-card p,.category-card p,.info-card p{margin:0;color:var(--muted);font-size:15px}.more-link{display:inline-block;margin-top:12px;color:var(--primary);font-weight:800}.product-section,.app-section,.cold-wallet-section,.swap-section,.dapp-section{display:grid;gap:28px;align-items:center}.section-title{font-size:clamp(28px,5vw,42px);line-height:1.18;margin:0 0 14px;color:var(--dark);letter-spacing:-.03em}.section-desc{color:#566579;font-size:17px;margin:0 0 18px}.media-card{border-radius:30px;background:#fff;border:1px solid #dce8f8;box-shadow:var(--shadow);padding:20px}.media-card img{border-radius:24px;margin:auto}.point-list,.check-list{display:grid;gap:10px;margin:18px 0 0;padding:0;list-style:none}.point-list li,.check-list li{position:relative;padding-left:28px;color:#4d5c6f}.point-list li:before,.check-list li:before{content:"";position:absolute;left:0;top:.72em;width:10px;height:10px;border-radius:999px;background:var(--primary);box-shadow:0 0 0 4px #edf5ff}.process-steps{display:grid;gap:14px;counter-reset:steps}.step-card{position:relative;background:#fff;border:1px solid var(--gray);border-radius:22px;padding:22px;box-shadow:0 10px 28px rgba(15,23,42,.04)}.step-card:before{counter-increment:steps;content:"0" counter(steps);display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;border-radius:14px;background:#edf5ff;color:var(--primary);font-weight:900;margin-bottom:12px}.step-card h3{margin:0 0 8px;color:var(--dark)}.step-card p{margin:0;color:var(--muted)}.risk-grid,.category-grid,.info-grid{display:grid;gap:16px}.risk-card{border-left:4px solid var(--primary)}.risk-card strong{display:block;color:var(--dark);margin-bottom:5px}.faq-list{display:grid;gap:14px}.faq-item h3{margin:0 0 8px;color:var(--dark)}.faq-item p{margin:0;color:var(--muted)}.cta-section{padding:64px 0;text-align:center;background:linear-gradient(135deg,#edf5ff,#fff);border-top:1px solid var(--gray);border-bottom:1px solid var(--gray)}.cta-box{max-width:780px;margin:auto;background:#fff;border:1px solid #dce8f8;border-radius:30px;padding:32px;box-shadow:var(--shadow)}.cta-box h2{font-size:clamp(28px,5vw,42px);line-height:1.2;margin:0 0 12px;color:var(--dark)}.cta-box p{color:var(--muted);margin:0 0 22px}.page-hero{padding:56px 0 30px;background:radial-gradient(circle at 85% 0%,rgba(41,128,254,.15),transparent 30%),linear-gradient(180deg,#fff,#f7faff)}.page-layout{display:grid;gap:24px;align-items:start}.article-card{background:#fff;border:1px solid var(--gray);border-radius:28px;padding:26px;box-shadow:0 14px 40px rgba(15,23,42,.05)}.article-card h2{font-size:26px;line-height:1.25;color:var(--dark);margin:8px 0 12px}.article-card p{color:#4d5c6f;margin:0 0 16px}.side-panel{background:#f7faff;border:1px solid #dce8f8;border-radius:26px;padding:22px;position:sticky;top:92px}.side-panel h3{margin:0 0 12px;color:var(--dark)}.side-panel a{display:block;border-top:1px solid #dce8f8;padding:11px 0;color:var(--primary);font-weight:750}.single-download{margin-top:22px}.download-page-card{text-align:center;background:#fff;border:1px solid var(--gray);border-radius:30px;padding:34px;box-shadow:var(--shadow)}.site-footer{background:#172033;color:#cbd5e1;padding:48px 0 22px}.footer-grid{display:grid;gap:26px}.footer-logo{font-size:24px;color:#fff;font-weight:900;margin-bottom:10px}.site-footer h3{color:#fff;margin:0 0 8px}.site-footer a{display:block;color:#cbd5e1;padding:5px 0}.site-footer a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;font-size:13px;color:#94a3b8}.two-col{display:grid;gap:16px}.notice{background:#edf5ff;border:1px solid #cfe1fb;border-radius:22px;padding:18px;color:#46556a}.pill-list{display:flex;flex-wrap:wrap;gap:10px}.pill-list span{border:1px solid #dce8f8;background:#fff;border-radius:999px;padding:7px 12px;color:#526071;font-size:14px}
@media (min-width:720px){.feature-shortcuts{grid-template-columns:repeat(3,1fr)}.risk-grid{grid-template-columns:repeat(2,1fr)}.category-grid{grid-template-columns:repeat(2,1fr)}.process-steps{grid-template-columns:repeat(2,1fr)}.info-grid,.two-col{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.6fr 1fr 1fr}}
@media (min-width:980px){.nav-toggle{display:none}.site-nav{display:flex;position:static;align-items:center;gap:2px;border:0;box-shadow:none;padding:0;background:transparent}.site-nav a{font-size:14px;padding:8px 10px}.hero-grid{grid-template-columns:1.02fr .98fr}.product-section,.app-section,.swap-section{grid-template-columns:1fr 1fr}.cold-wallet-section{grid-template-columns:1fr 1fr}.cold-wallet-section .media-card{order:-1}.dapp-section{grid-template-columns:.95fr 1.05fr}.category-grid{grid-template-columns:repeat(4,1fr)}.risk-grid{grid-template-columns:repeat(3,1fr)}.feature-shortcuts{grid-template-columns:repeat(6,1fr)}.page-layout{grid-template-columns:minmax(0,1fr) 300px}.article-card{padding:34px}.section{padding:76px 0}.section-soft{padding:76px 0}.product-hero{padding:86px 0 58px}.process-steps{grid-template-columns:repeat(3,1fr)}}
@media (max-width:430px){.container,.narrow{width:min(100% - 22px,1120px)}.feature-shortcuts{grid-template-columns:1fr}.product-hero h1,.page-hero h1{font-size:32px}.float-card{position:static;margin:8px 0}.app-visual{padding:14px}.download-btn{width:100%}.article-card{padding:22px}.section,.section-soft{padding:44px 0}}