:root{
  --primary:#2980FE;
  --primary-soft:#EAF3FF;
  --primary-light:#F4F8FF;
  --text:#1F2937;
  --muted:#667085;
  --line:#E6EAF0;
  --bg:#F7F9FC;
  --white:#FFFFFF;
  --card:#FFFFFF;
  --shadow:0 18px 55px rgba(33, 56, 89, .09);
  --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,#ffffff 0%,#f7f9fc 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(880px,calc(100% - 32px));margin:0 auto}.section{padding:72px 0}.section-soft{background:var(--primary-light)}.eyebrow,.category-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(41,128,254,.18);background:#fff;color:var(--primary);border-radius:999px;padding:7px 13px;font-size:14px;font-weight:700}.section-title{font-size:clamp(28px,4vw,46px);line-height:1.18;margin:14px 0 12px;letter-spacing:-.03em}.section-desc{color:var(--muted);max-width:720px;margin:0 0 28px}.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.88);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.header-inner{width:min(1180px,calc(100% - 28px));margin:0 auto;display:flex;align-items:center;justify-content:space-between;min-height:72px}.logo{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.02em}.logo img{width:38px;height:38px;border-radius:12px;object-fit:cover}.nav-links{display:flex;align-items:center;gap:6px}.nav-links a{font-size:15px;color:#344054;padding:9px 12px;border-radius:999px}.nav-links a:hover,.nav-links a.active{color:var(--primary);background:var(--primary-soft)}.nav-toggle{display:none}.nav-toggle-label{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:14px;align-items:center;justify-content:center;flex-direction:column;gap:5px;background:#fff}.nav-toggle-label span{width:18px;height:2px;background:#111827;border-radius:8px}.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!important;font-weight:800;box-shadow:0 12px 28px rgba(41,128,254,.24);border:1px solid rgba(41,128,254,.25);transition:transform .2s ease,box-shadow .2s ease}.download-btn:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(41,128,254,.30)}.launch-hero{position:relative;padding:78px 0 64px;overflow:hidden}.launch-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 78% 20%,rgba(41,128,254,.20),transparent 34%),radial-gradient(circle at 10% 10%,rgba(41,128,254,.10),transparent 30%);pointer-events:none}.hero-grid{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:42px;align-items:center}.hero-copy h1{font-size:clamp(38px,6vw,72px);line-height:1.05;margin:16px 0 18px;letter-spacing:-.06em}.hero-copy p{font-size:18px;color:var(--muted);max-width:620px}.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:28px 0}.security-tags{display:flex;flex-wrap:wrap;gap:10px}.security-tags span,.floating-tag{border:1px solid rgba(41,128,254,.18);background:rgba(255,255,255,.86);color:#344054;border-radius:999px;padding:8px 12px;font-weight:700;font-size:13px}.hero-visual{position:relative;min-height:520px;display:grid;place-items:center}.phone-stage{position:relative;border-radius:42px;background:linear-gradient(145deg,#fff,#eef6ff);border:1px solid rgba(41,128,254,.14);box-shadow:var(--shadow);padding:28px;width:min(420px,100%)}.phone-stage img{margin:0 auto;max-height:460px;object-fit:contain}.floating-tag{position:absolute;box-shadow:0 12px 32px rgba(33,56,89,.10)}.tag-asset{left:0;top:16%}.tag-cold{right:0;top:28%}.tag-swap{left:4%;bottom:22%}.tag-dapp{right:7%;bottom:12%}.highlight-bar{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.highlight-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:0 12px 32px rgba(17,24,39,.04)}.highlight-card small{display:inline-flex;color:var(--primary);font-weight:900;background:var(--primary-soft);border-radius:999px;padding:3px 9px}.highlight-card h3{margin:10px 0 6px;font-size:19px}.highlight-card p{margin:0 0 12px;color:var(--muted);font-size:15px}.text-link{color:var(--primary);font-weight:800}.launch-card,.big-feature-card,.safety-panel,.cta-section,.content-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.big-feature-card{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;padding:38px;margin:26px 0}.big-feature-card.reverse .feature-media{order:-1}.feature-media{background:linear-gradient(145deg,#F7FAFF,#EAF3FF);border-radius:26px;min-height:320px;display:grid;place-items:center;padding:24px;border:1px solid rgba(41,128,254,.12)}.feature-media img{max-height:330px;object-fit:contain}.feature-content h2{font-size:clamp(26px,4vw,42px);line-height:1.16;margin:8px 0 12px;letter-spacing:-.035em}.feature-content p{color:var(--muted);margin:0 0 18px}.feature-points{display:grid;gap:10px;margin:18px 0}.feature-points span{display:flex;gap:10px;align-items:flex-start;color:#344054}.feature-points span:before{content:"";width:8px;height:8px;background:var(--primary);border-radius:50%;margin-top:12px;flex:none}.wallet-feature{background:linear-gradient(180deg,#ffffff,#F8FBFF)}.cold-wallet-feature{background:linear-gradient(145deg,#F8FAFC,#EEF6FF)}.swap-feature{background:#fff}.dapp-feature{background:linear-gradient(145deg,#fff,#F7FAFF)}.process-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:20px;position:relative;overflow:hidden}.step-card:before{content:attr(data-step);position:absolute;right:18px;top:10px;color:rgba(41,128,254,.12);font-size:48px;font-weight:900;line-height:1}.step-card h3{margin:0 0 8px;font-size:19px}.step-card p{color:var(--muted);font-size:15px;margin:0 0 10px}.risk-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.risk-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:22px;padding:20px}.risk-card h3{margin:0 0 8px}.risk-card p{margin:0 0 8px;color:var(--muted);font-size:15px}.app-category-center{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.category-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;min-height:190px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 10px 30px rgba(17,24,39,.04)}.category-card h3{margin:0 0 8px}.category-card p{margin:0;color:var(--muted);font-size:15px}.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px}.faq-item h3{margin:0 0 8px;font-size:18px}.faq-item p{margin:0;color:var(--muted)}.cta-section{padding:40px;text-align:center;background:linear-gradient(145deg,#fff,#EAF3FF)}.cta-section p{color:var(--muted);max-width:620px;margin:0 auto 22px}.page-hero{padding:68px 0 38px;background:radial-gradient(circle at 80% 10%,rgba(41,128,254,.16),transparent 36%),linear-gradient(180deg,#fff,#F7FAFF)}.page-hero h1{font-size:clamp(34px,5vw,58px);line-height:1.12;margin:14px 0;letter-spacing:-.045em}.page-hero p{font-size:18px;color:var(--muted);max-width:760px}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start}.content-panel{padding:32px}.content-panel h2{font-size:28px;margin:12px 0}.content-panel p{color:#475467}.side-panel{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 10px 30px rgba(17,24,39,.04)}.side-panel h3{margin:0 0 12px}.check-list,.number-list{display:grid;gap:12px;margin:20px 0;padding:0;list-style:none}.check-list li,.number-list li{background:var(--primary-light);border:1px solid rgba(41,128,254,.12);border-radius:18px;padding:14px 16px}.number-list{counter-reset:item}.number-list li{counter-increment:item}.number-list li:before{content:counter(item);display:inline-flex;width:26px;height:26px;align-items:center;justify-content:center;background:var(--primary);color:#fff;border-radius:50%;font-weight:800;margin-right:8px}.info-strip{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;margin:20px 0;color:#475467}.download-page .content-panel{text-align:center}.download-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:28px 0}.download-step{border:1px solid var(--line);border-radius:22px;padding:18px;background:#fff}.about-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.about-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px}.site-footer{background:#101828;color:#D0D5DD;margin-top:80px;padding:48px 0 0}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}.footer-brand{font-size:22px;font-weight:900;color:#fff}.site-footer h3{color:#fff;margin:0 0 10px}.site-footer a{display:block;color:#D0D5DD;margin:6px 0}.footer-bottom{text-align:center;border-top:1px solid rgba(255,255,255,.10);padding:18px;margin-top:34px;color:#98A2B3;font-size:14px}@media (max-width: 980px){.nav-toggle-label{display:flex}.nav-links{position:absolute;left:14px;right:14px;top:72px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:12px;box-shadow:var(--shadow);display:none;flex-direction:column;align-items:stretch}.nav-links a{padding:12px 14px}.nav-toggle:checked ~ .nav-links{display:flex}.hero-grid,.big-feature-card,.content-layout{grid-template-columns:1fr}.hero-visual{min-height:420px}.phone-stage{width:min(340px,100%)}.floating-tag{position:static;display:inline-flex;margin:6px}.hero-visual{display:block}.highlight-bar,.process-steps,.app-category-center,.risk-grid,.about-grid,.download-steps{grid-template-columns:1fr 1fr}.big-feature-card.reverse .feature-media{order:0}.side-panel{position:static}.footer-grid{grid-template-columns:1fr 1fr}}@media (max-width: 640px){.container,.narrow{width:min(100% - 24px,1120px)}.section{padding:52px 0}.launch-hero{padding:48px 0}.hero-copy h1{font-size:40px}.hero-copy p,.page-hero p{font-size:16px}.hero-actions{align-items:stretch}.download-btn{width:100%;min-height:52px}.security-tags span{font-size:12px}.highlight-bar,.process-steps,.app-category-center,.risk-grid,.about-grid,.download-steps,.footer-grid{grid-template-columns:1fr}.big-feature-card{padding:22px;border-radius:24px}.feature-media{min-height:240px;border-radius:22px}.content-panel,.cta-section{padding:24px}.page-hero{padding:50px 0 28px}.site-footer{margin-top:52px}.footer-grid{gap:18px}}