:root{
  --primary:#2980FE;
  --primary-soft:#EAF3FF;
  --bg:#F6F9FD;
  --bg-soft:#F2F7FE;
  --text:#1F2937;
  --muted:#64748B;
  --line:#E5EAF2;
  --white:#FFFFFF;
  --deep:#111827;
  --shadow:0 18px 45px rgba(15,35,80,.08);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1120px,calc(100% - 32px));margin:0 auto}
.section{padding:56px 0}.section-tight{padding:36px 0}.section-head{margin-bottom:26px}.section-eyebrow,.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:700}.section-head h2,.page-hero h1{margin:12px 0 10px;color:var(--deep);line-height:1.15}.section-head h2{font-size:30px}.section-head p,.page-hero p{color:var(--muted);margin:0}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav-wrap{width:min(1180px,calc(100% - 28px));height:70px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:18px}.logo,.footer-logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--deep)}.logo img,.footer-logo img{width:36px;height:36px;border-radius:12px;object-fit:contain}.site-nav{display:none;align-items:center;gap:6px}.site-nav.open{display:flex;position:absolute;top:70px;left:14px;right:14px;flex-direction:column;background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;padding:12px}.site-nav a{width:100%;padding:11px 14px;border-radius:14px;color:#475569;font-weight:650}.site-nav a:hover,.site-nav a.active{background:var(--primary-soft);color:var(--primary)}.nav-toggle{border:1px solid var(--line);background:var(--white);border-radius:14px;padding:8px 12px;color:var(--deep);font-weight:700}.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:999px;background:var(--primary);color:#fff;font-weight:800;box-shadow:0 12px 24px rgba(41,128,254,.22);border:1px solid rgba(41,128,254,.18);transition:transform .2s ease,box-shadow .2s ease}.download-btn:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(41,128,254,.26)}.app-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#fff 0%,#f4f9ff 55%,#edf6ff 100%);padding:46px 0 36px;border-bottom:1px solid var(--line)}.app-hero:before{content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;background:radial-gradient(circle,rgba(41,128,254,.16),transparent 65%)}.hero-grid{position:relative;display:grid;gap:34px;align-items:center}.hero-copy h1{font-size:38px;line-height:1.12;margin:0 0 18px;color:var(--deep);letter-spacing:-.8px}.hero-copy p{color:#526174;margin:0 0 22px}.safe-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.safe-tags span{padding:7px 12px;border:1px solid var(--line);background:#fff;border-radius:999px;color:#4B5563;font-size:13px}.app-visual{position:relative;padding:18px;border-radius:30px;background:linear-gradient(180deg,#fff,#eef6ff);border:1px solid var(--line);box-shadow:var(--shadow);min-height:420px;display:flex;align-items:center;justify-content:center}.app-visual .phone-img{width:min(300px,82%);margin:auto;filter:drop-shadow(0 24px 32px rgba(21,45,90,.18))}.floating-card{background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:20px;padding:14px 16px;box-shadow:0 16px 36px rgba(15,35,80,.10)}.floating-card strong{display:block;color:var(--deep);font-size:15px}.floating-card span{display:block;color:var(--muted);font-size:13px;margin-top:2px}.float-assets,.float-cold,.float-swap,.float-dapp{position:static;margin-top:10px}.ability-bar{display:grid;gap:12px;margin-top:20px}.ability-item{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:0 10px 24px rgba(15,35,80,.04)}.ability-item:before{content:"";display:block;width:30px;height:4px;border-radius:99px;background:var(--primary);margin-bottom:10px}.ability-item h3{margin:0 0 4px;color:var(--deep);font-size:17px}.ability-item p{margin:0;color:var(--muted);font-size:14px}.feature-showcase{display:grid;gap:18px}.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);display:grid;gap:16px;overflow:hidden}.feature-card img{border-radius:20px;background:var(--bg-soft);border:1px solid var(--line);padding:10px;max-height:230px;width:100%;object-fit:contain}.feature-card h3{margin:0;color:var(--deep);font-size:22px}.feature-card p{margin:0;color:var(--muted)}.text-link{display:inline-flex;color:var(--primary);font-weight:800;margin-top:4px}.product-section{padding:56px 0}.product-panel{display:grid;gap:26px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:30px;padding:24px;box-shadow:var(--shadow);overflow:hidden}.product-panel.cold-wallet-panel{background:linear-gradient(135deg,#f8fbff,#eef6ff)}.product-panel.swap-panel{background:#fff}.product-panel.dapp-panel{background:linear-gradient(135deg,#fff,#f5f9ff)}.product-panel img{border-radius:24px;background:#fff;border:1px solid var(--line);padding:10px;box-shadow:0 16px 30px rgba(15,35,80,.06)}.panel-copy h2{font-size:28px;line-height:1.18;margin:8px 0 12px;color:var(--deep)}.panel-copy p{color:var(--muted);margin:0 0 14px}.check-list,.mini-list{padding:0;margin:14px 0 0;list-style:none;display:grid;gap:10px}.check-list li,.mini-list li{position:relative;padding-left:26px;color:#42526A}.check-list li:before,.mini-list li:before{content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px var(--primary-soft)}.process-steps{display:grid;gap:14px}.step-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:0 12px 24px rgba(15,35,80,.05)}.step-card b{display:inline-grid;place-items:center;width:34px;height:34px;background:var(--primary);color:#fff;border-radius:12px;margin-bottom:10px}.step-card h3{margin:0 0 4px;color:var(--deep);font-size:18px}.step-card p{margin:0 0 8px;color:var(--muted);font-size:14px}.risk-grid{display:grid;gap:14px}.risk-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;border-top:4px solid var(--primary);box-shadow:0 12px 24px rgba(15,35,80,.04)}.risk-card h3{margin:0 0 6px;font-size:18px;color:var(--deep)}.risk-card p{margin:0 0 8px;color:var(--muted);font-size:14px}.risk-card small{display:block;color:#42526A}.ecosystem-grid,.category-grid{display:grid;gap:14px}.category-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 12px 24px rgba(15,35,80,.04)}.category-card h3{margin:0 0 6px;color:var(--deep)}.category-card p{margin:0 0 10px;color:var(--muted);font-size:14px}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px}.faq-item h3{margin:0 0 6px;color:var(--deep);font-size:18px}.faq-item p{margin:0;color:var(--muted)}.cta-section{margin:36px 0 0;padding:36px 20px;border-radius:30px;background:linear-gradient(135deg,#eef6ff,#fff);border:1px solid var(--line);text-align:center;box-shadow:var(--shadow)}.cta-section h2{margin:0 0 10px;color:var(--deep);font-size:28px}.cta-section p{max-width:680px;margin:0 auto 22px;color:var(--muted)}.page-hero{padding:48px 0 28px;background:linear-gradient(135deg,#fff,#f1f7ff);border-bottom:1px solid var(--line)}.page-hero h1{font-size:34px;margin-top:12px}.page-wrap{padding:42px 0 58px}.guide-layout{display:grid;gap:20px}.content-card,.side-panel,.note-box,.download-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 12px 28px rgba(15,35,80,.05)}.content-card h2,.side-panel h2,.download-card h2{margin:0 0 12px;color:var(--deep);font-size:24px}.content-card h3,.side-panel h3{margin:18px 0 8px;color:var(--deep);font-size:19px}.content-card p,.side-panel p,.note-box p,.download-card p{color:var(--muted);margin:0 0 12px}.info-grid{display:grid;gap:14px;margin-top:16px}.info-card{border:1px solid var(--line);border-radius:18px;padding:16px;background:#fbfdff}.info-card h3{margin:0 0 6px;font-size:17px;color:var(--deep)}.info-card p{margin:0;color:var(--muted);font-size:14px}.ordered-steps{counter-reset:step;display:grid;gap:12px;margin:16px 0 0}.ordered-steps div{counter-increment:step;position:relative;padding:16px 16px 16px 58px;background:#fbfdff;border:1px solid var(--line);border-radius:18px}.ordered-steps div:before{content:counter(step);position:absolute;left:16px;top:16px;width:28px;height:28px;border-radius:10px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800}.ordered-steps h3{margin:0 0 4px;font-size:17px}.ordered-steps p{margin:0;color:var(--muted);font-size:14px}.side-panel{align-self:start;background:linear-gradient(180deg,#fff,#f5f9ff)}.side-panel a{display:block;padding:10px 0;border-bottom:1px solid var(--line);color:var(--primary);font-weight:750}.side-panel a:last-child{border-bottom:0}.page-download{margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}.download-card{text-align:center;max-width:760px;margin:0 auto}.download-card .download-btn{margin-top:8px}.site-footer{background:#fff;border-top:1px solid var(--line);padding:40px 0 0}.footer-grid{display:grid;gap:24px}.footer-grid p{color:var(--muted);margin:12px 0 0}.footer-grid h3{margin:0 0 10px;color:var(--deep);font-size:17px}.footer-grid a:not(.footer-logo){display:block;color:#64748B;margin:8px 0}.footer-grid a:hover{color:var(--primary)}.footer-bottom{text-align:center;color:#94A3B8;border-top:1px solid var(--line);padding:16px;margin-top:28px;font-size:14px}.two-col{display:grid;gap:14px}.hero-mini-grid{display:grid;gap:10px;width:100%;margin-top:12px}.image-shell{position:relative}.image-shell:after{content:"";position:absolute;inset:auto 20px -8px 20px;height:24px;background:rgba(41,128,254,.10);filter:blur(18px);border-radius:50%}
@media (min-width:560px){.ability-bar{grid-template-columns:repeat(2,1fr)}.ecosystem-grid,.category-grid,.risk-grid,.info-grid{grid-template-columns:repeat(2,1fr)}.hero-mini-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:780px){.nav-toggle{display:none}.site-nav{display:flex}.site-nav a{width:auto}.hero-grid{grid-template-columns:1.02fr .98fr}.hero-copy h1{font-size:52px}.app-visual{min-height:520px}.float-assets,.float-cold,.float-swap,.float-dapp{position:absolute;margin-top:0}.float-assets{left:-12px;top:62px}.float-cold{right:-8px;top:95px}.float-swap{left:20px;bottom:70px}.float-dapp{right:22px;bottom:36px}.hero-mini-grid{display:none}.ability-bar{grid-template-columns:repeat(5,1fr)}.feature-showcase{grid-template-columns:repeat(2,1fr)}.product-panel{grid-template-columns:1fr 1fr;padding:34px}.cold-wallet-panel .panel-image{order:2}.cold-wallet-panel .panel-copy{order:1}.process-steps{grid-template-columns:repeat(3,1fr)}.risk-grid{grid-template-columns:repeat(3,1fr)}.ecosystem-grid{grid-template-columns:repeat(4,1fr)}.guide-layout{grid-template-columns:minmax(0,1fr) 310px}.two-col{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr .8fr .8fr .8fr}.section{padding:72px 0}.section-head h2{font-size:38px}.page-hero h1{font-size:44px}.page-hero p{max-width:760px}.product-panel img{max-height:420px;width:100%;object-fit:contain}}
@media (min-width:1100px){.app-hero{padding:72px 0 48px}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end}.section-head p{max-width:560px}.hero-copy p{font-size:18px}.app-visual .phone-img{width:330px}.feature-card{grid-template-columns:1fr .92fr;align-items:center}.feature-card img{max-height:260px}.feature-card:nth-child(2),.feature-card:nth-child(3){grid-template-columns:.92fr 1fr}.feature-card:nth-child(2) img,.feature-card:nth-child(3) img{order:-1}}