:root{
    --primary:#2980FE;
    --primary-soft:#EAF3FF;
    --primary-fade:#F1F7FF;
    --bg:#F6F8FC;
    --white:#FFFFFF;
    --text:#1F2937;
    --heading:#0F172A;
    --muted:#64748B;
    --line:#E5EAF2;
    --deep:#111827;
    --shadow:0 14px 38px rgba(15,23,42,.08);
    --soft-shadow:0 8px 24px rgba(15,23,42,.06);
    --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Noto Sans TC","Microsoft JhengHei",Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,#fff 0%,#F7FAFF 38%,#fff 100%);line-height:1.75;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container,.content-container{width:min(1140px,calc(100% - 32px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.93);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.header-inner{width:min(1200px,calc(100% - 28px));margin:0 auto;min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:18px;color:var(--heading);white-space:nowrap}.logo img{width:38px;height:38px;border-radius:13px;object-fit:cover}
.nav-toggle{position:absolute;opacity:0;pointer-events:none}.nav-toggle-label{display:flex;flex-direction:column;gap:5px;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);border-radius:14px;background:#fff}.nav-toggle-label span{width:19px;height:2px;background:var(--heading);border-radius:999px}.site-nav{position:absolute;top:68px;left:14px;right:14px;display:none;flex-direction:column;gap:6px;padding:14px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow)}.nav-toggle:checked~.site-nav{display:flex}.site-nav a{font-size:14px;color:#44556B;padding:10px 12px;border-radius:12px}.site-nav a.active,.site-nav a:hover{background:var(--primary-soft);color:var(--primary)}
h1,h2,h3{margin:0 0 14px;color:var(--heading);line-height:1.25}h1{font-size:clamp(34px,7vw,60px);letter-spacing:-1.6px}h2{font-size:clamp(26px,4.8vw,42px);letter-spacing:-.8px}h3{font-size:20px}p{margin:0 0 14px;color:var(--muted)}.lead{font-size:17px;color:#475569;max-width:760px}.eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;border:1px solid #D8E9FF;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:800;border-radius:999px;padding:6px 12px}.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 24px;border-radius:999px;background:var(--primary);color:#fff!important;font-weight:900;box-shadow:0 14px 30px rgba(41,128,254,.28);transition:.2s ease;white-space:nowrap}.download-btn:hover{transform:translateY(-2px);box-shadow:0 20px 38px rgba(41,128,254,.34)}.text-link{display:inline-flex;margin-top:5px;color:var(--primary);font-weight:900}.section{padding:62px 0}.section-head{max-width:760px;margin-bottom:28px}.portal-hero{position:relative;padding:78px 0 34px;background:radial-gradient(circle at 14% 10%,rgba(41,128,254,.16),transparent 27%),linear-gradient(180deg,#fff 0%,#F2F7FF 100%);overflow:hidden}.portal-hero:after{content:"";position:absolute;right:-140px;top:48px;width:390px;height:390px;border-radius:50%;background:rgba(41,128,254,.11);filter:blur(10px)}.hero-grid{position:relative;z-index:2;display:grid;gap:34px;align-items:center}.hero-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:26px 0 20px}.hero-tags{display:flex;gap:10px;flex-wrap:wrap}.hero-tags span{font-size:13px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 12px;color:#385168}.hero-visual{position:relative;border:1px solid var(--line);border-radius:34px;background:linear-gradient(145deg,#fff,#F2F7FF);padding:24px;min-height:370px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);overflow:hidden}.hero-visual img{max-height:430px;margin:auto;filter:drop-shadow(0 20px 28px rgba(15,23,42,.12))}.mini-card{position:relative;margin:10px 0 0;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:18px;padding:12px 14px;box-shadow:var(--soft-shadow);font-size:13px;color:#52657A}.mini-card strong{display:block;color:var(--heading);font-size:15px}.channel-nav{display:grid;gap:14px;margin-top:24px}.channel-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--soft-shadow);min-height:148px;overflow:hidden}.channel-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--primary)}.channel-card h3{font-size:18px}.channel-tag{display:inline-flex;margin-bottom:10px;font-size:12px;font-weight:900;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:4px 9px}.split-feature-section{padding:64px 0}.split-panel{display:grid;gap:28px;align-items:center;border:1px solid var(--line);border-radius:34px;background:#fff;padding:24px;box-shadow:var(--shadow);overflow:hidden}.split-panel.tint,.cold-wallet-split{background:linear-gradient(135deg,#F4F8FF,#FFFFFF)}.split-panel img{border-radius:28px;background:var(--primary-fade);object-fit:contain;margin:auto;max-height:380px}.split-points,.check-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}.split-points li,.check-list li{position:relative;border:1px solid var(--line);background:#F8FBFF;border-radius:16px;padding:12px 12px 12px 38px;color:#475569}.split-points li:before,.check-list li:before{content:"";position:absolute;left:14px;top:18px;width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 5px rgba(41,128,254,.12)}.process-steps{display:grid;gap:15px;counter-reset:step}.step-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:22px;padding:54px 20px 20px;box-shadow:var(--soft-shadow)}.step-card:before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;top:18px;left:18px;background:var(--primary-soft);color:var(--primary);border:1px solid #D8E9FF;border-radius:999px;padding:3px 10px;font-size:13px;font-weight:900}.risk-grid{display:grid;gap:16px}.risk-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:22px;padding:20px;box-shadow:var(--soft-shadow)}.risk-card .suggest{margin-top:10px;background:#F4F8FF;border-radius:14px;padding:10px;color:#45566B;font-size:13px}.ecosystem-category,.category-grid,.simple-grid{display:grid;gap:16px}.eco-card,.feature-card,.info-card,.faq-item{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:var(--soft-shadow)}.eco-card h3,.feature-card h3{font-size:18px}.faq-list{display:grid;gap:14px}.faq-item h3{font-size:17px;margin-bottom:8px}.cta-section{padding:58px 0;background:linear-gradient(135deg,#EAF3FF 0%,#FFFFFF 55%,#F6F9FF 100%)}.cta-box{text-align:center;background:#fff;border:1px solid var(--line);border-radius:34px;padding:34px 22px;box-shadow:var(--shadow)}.page-hero{padding:56px 0 28px;background:linear-gradient(180deg,#fff,#F3F8FF)}.page-hero .container{display:grid;gap:16px}.content-layout{display:grid;gap:22px;align-items:start}.article-card{background:#fff;border:1px solid var(--line);border-radius:30px;padding:24px;box-shadow:var(--shadow)}.article-card h2{font-size:26px;margin-top:20px}.article-card h2:first-child{margin-top:0}.notice-box,.safety-panel{background:#F4F8FF;border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:18px;padding:16px;margin:18px 0;color:#475569}.side-panel{background:linear-gradient(145deg,#fff,#F8FBFF);border:1px solid var(--line);border-radius:26px;padding:20px;box-shadow:var(--soft-shadow)}.side-panel a{display:block;margin:8px 0;color:var(--primary);font-weight:900}.download-steps{counter-reset:dstep;display:grid;gap:14px;margin:24px 0;padding:0}.download-steps li{list-style:none;counter-increment:dstep;position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 16px 16px 52px;box-shadow:var(--soft-shadow)}.download-steps li:before{content:counter(dstep);position:absolute;left:16px;top:17px;width:24px;height:24px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:900;font-size:13px}.site-footer{background:#111827;color:#D1D5DB;padding:42px 0 18px}.site-footer p{color:#AAB4C2}.footer-grid{display:grid;gap:22px}.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:10px}.footer-brand img{width:36px;height:36px;border-radius:12px}.site-footer h3{font-size:16px;color:#fff;margin-bottom:10px}.site-footer a{display:block;color:#AAB4C2;margin:6px 0;font-size:14px}.site-footer a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:24px;padding-top:16px;font-size:13px;color:#9CA3AF}
@media (min-width:640px){.channel-nav,.ecosystem-category,.category-grid,.simple-grid,.risk-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:880px){.nav-toggle-label{display:none}.site-nav{position:static;display:flex!important;flex-direction:row;align-items:center;gap:2px;background:transparent;border:0;box-shadow:none;padding:0}.site-nav a{padding:8px 10px}.hero-grid{grid-template-columns:minmax(0,1.02fr) minmax(360px,.98fr)}.channel-nav{grid-template-columns:repeat(3,1fr)}.split-panel{grid-template-columns:1fr 1fr;padding:38px}.split-panel.reverse .split-media{order:-1}.ecosystem-category,.category-grid{grid-template-columns:repeat(4,1fr)}.process-steps{grid-template-columns:repeat(3,1fr)}.risk-grid{grid-template-columns:repeat(4,1fr)}.content-layout{grid-template-columns:minmax(0,1fr) 310px}.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}.mini-card{position:absolute;max-width:188px;margin:0}.mini-card.card-1{top:28px;left:24px}.mini-card.card-2{top:78px;right:20px}.mini-card.card-3{bottom:84px;left:22px}.mini-card.card-4{bottom:30px;right:24px}}
@media (min-width:1080px){.site-nav a{padding:9px 12px}.portal-hero{padding:94px 0 42px}.section{padding:76px 0}.split-feature-section{padding:76px 0}}