:root{
    --primary:#2980FE;
    --primary-soft:#EAF3FF;
    --primary-light:#F4F9FF;
    --text:#1F2937;
    --muted:#64748B;
    --light:#F5F7FA;
    --line:#E5EAF2;
    --white:#FFFFFF;
    --deep:#0F172A;
    --shadow:0 22px 60px rgba(15,23,42,.08);
    --soft-shadow:0 12px 32px rgba(41,128,254,.10);
    --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","Microsoft JhengHei",Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,#fff 0%,#f7fbff 42%,#fff 100%);line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
main{min-height:70vh}.content-container,.header-inner,.footer-inner{width:min(1160px,calc(100% - 32px));margin:0 auto}.section{padding:56px 0}.section-tight{padding:36px 0}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(229,234,242,.8)}.header-inner{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:18px}.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--deep);letter-spacing:.2px}.logo img{width:38px;height:38px;border-radius:12px;object-fit:contain}.logo span{font-size:18px}.site-nav{display:none;gap:4px;align-items:center}.site-nav a{font-size:14px;color:#475569;padding:9px 12px;border-radius:999px;white-space:nowrap}.site-nav a:hover,.site-nav a.active{color:var(--primary);background:var(--primary-soft)}.nav-toggle{border:0;background:#fff;width:44px;height:44px;border-radius:14px;box-shadow:0 8px 22px rgba(15,23,42,.08);display:grid;place-content:center;gap:5px}.nav-toggle span{display:block;width:20px;height:2px;background:var(--deep);border-radius:2px}.site-nav.open{display:flex;position:absolute;left:16px;right:16px;top:78px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:22px;padding:12px;box-shadow:var(--shadow)}.site-nav.open a{padding:12px 14px}.eyebrow,.category-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:700}.eyebrow:before,.category-badge:before{content:"";width:8px;height:8px;background:var(--primary);border-radius:50%}h1,h2,h3{line-height:1.2;color:var(--deep);margin:0 0 16px}h1{font-size:clamp(36px,8vw,68px);letter-spacing:-1.8px}h2{font-size:clamp(28px,5vw,46px);letter-spacing:-1px}h3{font-size:22px}.lead{font-size:18px;color:var(--muted);max-width:760px}.muted{color:var(--muted)}.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 26px;border-radius:999px;background:var(--primary);color:#fff;font-weight:800;box-shadow:0 16px 32px rgba(41,128,254,.26);transition:transform .2s ease,box-shadow .2s ease}.download-btn:hover{transform:translateY(-2px);box-shadow:0 20px 42px rgba(41,128,254,.32)}.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:800}.text-link:after{content:"›";font-size:20px}.web3-hero{position:relative;overflow:hidden;padding:58px 0 34px}.web3-hero:before{content:"";position:absolute;inset:-160px -120px auto auto;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(41,128,254,.22),rgba(41,128,254,0) 70%)}.hero-grid{position:relative;display:grid;gap:32px;align-items:center}.hero-copy{display:grid;gap:18px}.hero-tags,.floating-tags,.safe-tags{display:flex;flex-wrap:wrap;gap:10px}.hero-tags span,.floating-tags span,.safe-tags span,.mini-tag{display:inline-flex;align-items:center;padding:7px 12px;border-radius:999px;background:#fff;color:#334155;border:1px solid var(--line);box-shadow:0 8px 18px rgba(15,23,42,.04);font-size:13px}.hero-visual{position:relative;border-radius:36px;background:linear-gradient(145deg,#ffffff 0%,#eef6ff 100%);padding:26px;box-shadow:var(--shadow);border:1px solid rgba(229,234,242,.88);min-height:360px;display:grid;place-items:center}.hero-visual img{max-height:440px;object-fit:contain;filter:drop-shadow(0 26px 36px rgba(15,23,42,.14))}.floating-tags{position:absolute;inset:auto 18px 20px 18px;justify-content:center}.floating-tags span{background:rgba(255,255,255,.92)}.ecosystem-nav,.category-grid{display:grid;grid-template-columns:1fr;gap:14px}.ecosystem-card,.info-card,.risk-card,.faq-item,.step-card,.mini-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 10px 28px rgba(15,23,42,.04)}.ecosystem-card{min-height:176px;display:flex;flex-direction:column;justify-content:space-between}.ecosystem-card:hover,.mini-card:hover{border-color:rgba(41,128,254,.36);box-shadow:var(--soft-shadow);transform:translateY(-2px)}.card-kicker{font-size:12px;color:var(--primary);font-weight:800;letter-spacing:.08em;text-transform:uppercase}.feature-panel,.web3-section,.hardware-wallet-section,.digital-assets-section,.swap-section,.privacy-section,.submit-chain-section,.developer-center-section{border-radius:34px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);padding:26px;overflow:hidden}.feature-grid{display:grid;gap:26px;align-items:center}.feature-panel.alt,.hardware-wallet-section,.submit-chain-section{background:linear-gradient(145deg,#f7fbff,#ffffff)}.feature-image{border-radius:30px;background:linear-gradient(160deg,#edf6ff,#fff);padding:20px;min-height:280px;display:grid;place-items:center}.feature-image img{max-height:360px;object-fit:contain}.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:26px;color:#475569}.point-list li:before,.check-list li:before{content:"";position:absolute;left:0;top:.72em;width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 5px var(--primary-soft)}.privacy-layout,.submit-layout,.developer-layout{display:grid;gap:20px;align-items:start}.safety-panel{background:linear-gradient(135deg,#eef6ff,#fff);border:1px solid var(--line);border-radius:28px;padding:24px}.code-panel{background:#0f172a;color:#dbeafe;border-radius:26px;padding:22px;overflow:hidden;box-shadow:0 24px 60px rgba(15,23,42,.16)}.code-panel code{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-size:14px;color:#bfdbfe;white-space:pre-wrap}.process-steps{display:grid;gap:14px;counter-reset:step}.step-card{position:relative;padding-left:70px}.step-card:before{counter-increment:step;content:counter(step);position:absolute;left:20px;top:22px;width:34px;height:34px;border-radius:14px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:900}.risk-grid{display:grid;gap:14px}.risk-card{border-left:4px solid var(--primary)}.faq-list{display:grid;gap:14px}.faq-item h3{font-size:18px;margin-bottom:8px}.cta-section{margin:40px 0 70px}.cta-box{border-radius:34px;background:linear-gradient(135deg,#eaf3ff,#ffffff 52%,#f6f9fc);border:1px solid var(--line);padding:34px;text-align:center;box-shadow:var(--shadow)}.cta-box p{margin:0 auto 22px;max-width:720px;color:var(--muted)}.page-hero{padding:52px 0 18px}.page-hero-card{border-radius:34px;background:linear-gradient(135deg,#f4f9ff,#fff);border:1px solid var(--line);padding:30px;box-shadow:var(--shadow)}.page-layout{display:grid;gap:24px;align-items:start}.article-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:26px;box-shadow:0 12px 34px rgba(15,23,42,.05)}.article-card p{color:#475569}.side-panel{display:grid;gap:14px}.operation-list{display:grid;gap:12px;padding:0;margin:18px 0;list-style:none}.operation-list li{background:var(--primary-light);border:1px solid #d9eaff;border-radius:18px;padding:14px 16px;color:#475569}.download-row{margin-top:22px}.site-footer{background:#f6f8fb;border-top:1px solid var(--line);padding:36px 0 0}.footer-inner{display:grid;gap:28px}.footer-brand p{max-width:520px;color:var(--muted);margin:12px 0 0}.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.footer-links a{color:#475569;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px}.footer-bottom{text-align:center;color:#94a3b8;border-top:1px solid var(--line);padding:18px;margin-top:30px;font-size:14px}.pill-row{display:flex;gap:10px;flex-wrap:wrap}.pill{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;color:#475569;font-size:13px}.center-title{text-align:center;max-width:780px;margin:0 auto 28px}.center-title p{color:var(--muted)}.stats-strip{display:grid;gap:12px}.stat-box{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px}.stat-box strong{display:block;color:var(--primary);font-size:24px}.stat-box span{color:var(--muted);font-size:14px}
@media (min-width:640px){.ecosystem-nav,.category-grid{grid-template-columns:repeat(2,1fr)}.risk-grid{grid-template-columns:repeat(2,1fr)}.process-steps{grid-template-columns:repeat(2,1fr)}.footer-links{grid-template-columns:repeat(3,1fr)}.stats-strip{grid-template-columns:repeat(3,1fr)}}
@media (min-width:900px){.section{padding:78px 0}.nav-toggle{display:none}.site-nav,.site-nav.open{display:flex;position:static;flex-direction:row;background:transparent;border:0;border-radius:0;padding:0;box-shadow:none}.web3-hero{padding:84px 0 52px}.hero-grid{grid-template-columns:1.02fr .98fr;gap:58px}.ecosystem-nav{grid-template-columns:repeat(4,1fr)}.ecosystem-card:nth-child(1){grid-column:span 2}.ecosystem-card:nth-child(7){grid-column:span 2}.feature-panel,.web3-section,.hardware-wallet-section,.digital-assets-section,.swap-section,.privacy-section,.submit-chain-section,.developer-center-section{padding:42px}.feature-grid{grid-template-columns:1fr 1fr}.feature-panel.reverse .feature-image,.hardware-wallet-section .feature-image{order:-1}.privacy-layout,.submit-layout,.developer-layout{grid-template-columns:1fr 1fr}.category-grid{grid-template-columns:repeat(4,1fr)}.risk-grid{grid-template-columns:repeat(4,1fr)}.process-steps{grid-template-columns:repeat(3,1fr)}.page-layout{grid-template-columns:minmax(0,1fr) 320px}.footer-inner{grid-template-columns:1.1fr .9fr;align-items:start}.footer-links{grid-template-columns:repeat(2,1fr)}.cta-box{padding:54px}.page-hero-card{padding:46px}.article-card{padding:34px}}
@media (min-width:1120px){.process-steps{grid-template-columns:repeat(6,1fr)}.step-card{padding-left:22px;padding-top:72px}.step-card:before{left:22px;top:22px}.risk-grid{grid-template-columns:repeat(4,1fr)}}
@media (max-width:420px){.content-container,.header-inner,.footer-inner{width:min(100% - 24px,1160px)}h1{font-size:34px}.feature-panel,.web3-section,.hardware-wallet-section,.digital-assets-section,.swap-section,.privacy-section,.submit-chain-section,.developer-center-section,.page-hero-card,.article-card{border-radius:24px;padding:22px}.hero-visual{padding:18px;min-height:300px}.floating-tags{position:static;margin-top:16px}.download-btn{width:100%;padding:0 18px}.footer-links{grid-template-columns:1fr}}