:root{
  --primary:#2980FE;
  --primary-soft:#EAF3FF;
  --primary-soft-2:#F4F8FF;
  --text:#243142;
  --muted:#657282;
  --line:#E5ECF5;
  --bg:#F7FAFE;
  --card:#FFFFFF;
  --deep:#1D2A3A;
  --radius:24px;
  --shadow:0 16px 45px rgba(42,72,110,.08);
}
*{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;background:linear-gradient(180deg,#fff 0%,var(--bg) 42%,#fff 100%);color:var(--text);line-height:1.72;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}
.site-header{position:sticky;top:0;z-index:50;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;gap:18px}
.brand,.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--deep);letter-spacing:.2px}.logo,.footer-brand img{width:38px;height:38px;border-radius:12px;object-fit:contain}.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--deep);font-size:22px}.site-nav{position:absolute;left:14px;right:14px;top:72px;display:none;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:22px;padding:14px;box-shadow:var(--shadow)}.site-nav.is-open{display:flex}.site-nav a{padding:11px 12px;border-radius:12px;color:var(--muted);font-size:15px}.site-nav a:hover{background:var(--primary-soft);color:var(--primary)}
.section{padding:58px 0}.section-title{margin:0 0 12px;font-size:clamp(26px,5vw,42px);line-height:1.18;color:var(--deep);letter-spacing:-.5px}.section-lead{margin:0 0 24px;color:var(--muted);font-size:17px;max-width:760px}.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:800;margin-bottom:14px}.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}.tag{display:inline-flex;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--muted);font-size:13px}.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 14px 28px rgba(41,128,254,.22);transition:.2s ease}.download-btn:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(41,128,254,.26)}.text-link{display:inline-flex;color:var(--primary);font-weight:800;margin-top:12px}.text-link::after{content:"→";margin-left:6px}.gradient-bg{background:linear-gradient(135deg,#fff 0%,#F4F8FF 52%,#EAF3FF 100%)}
.web3-dashboard-hero{padding:54px 0 38px;background:radial-gradient(circle at 12% 10%,rgba(41,128,254,.14),transparent 31%),linear-gradient(180deg,#fff 0%,#F6FAFF 100%)}.hero-grid{display:grid;gap:26px}.hero-copy{background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:30px;padding:28px;box-shadow:var(--shadow)}.hero-copy h1{margin:0;font-size:clamp(34px,9vw,64px);line-height:1.05;letter-spacing:-1.2px;color:var(--deep)}.hero-copy p{color:var(--muted);font-size:18px;margin:18px 0 22px}.hero-visual{position:relative;border-radius:32px;background:linear-gradient(145deg,#fff,#EFF6FF);border:1px solid var(--line);box-shadow:var(--shadow);padding:24px;overflow:hidden}.hero-phone{max-height:440px;margin:0 auto;object-fit:contain}.status-panel{display:grid;gap:12px;margin-top:18px}.status-card{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px}.status-dot{width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 6px var(--primary-soft)}.status-card strong{display:block;color:var(--deep);font-size:15px}.status-card span{display:block;color:var(--muted);font-size:13px}.service-index{display:grid;gap:14px}.service-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 10px 28px rgba(31,55,82,.05)}.service-card .mini{color:var(--primary);font-weight:800;font-size:13px}.service-card h3{margin:8px 0 8px;font-size:20px;color:var(--deep)}.service-card p{margin:0;color:var(--muted);font-size:15px}.feature-panel{display:grid;gap:24px;align-items:center;border:1px solid var(--line);border-radius:30px;padding:24px;background:#fff;box-shadow:var(--shadow)}.feature-panel.alt{background:linear-gradient(135deg,#F7FAFE,#fff)}.feature-panel.reverse .feature-image{order:-1}.feature-copy h2{margin:0 0 12px;font-size:clamp(26px,5vw,40px);line-height:1.18;color:var(--deep)}.feature-copy p{color:var(--muted);margin:0 0 14px}.feature-image{background:var(--primary-soft-2);border:1px solid var(--line);border-radius:26px;padding:18px;min-height:230px;display:flex;align-items:center;justify-content:center}.feature-image img{max-height:360px;object-fit:contain}.check-list{display:grid;gap:10px;margin:18px 0 0;padding:0;list-style:none}.check-list li{position:relative;padding-left:26px;color:var(--text)}.check-list li::before{content:"";position:absolute;left:0;top:.72em;width:10px;height:10px;border-radius:50%;background:var(--primary)}.privacy-boundary-section,.submit-chain-section,.developer-center-section{border-radius:30px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);padding:26px}.boundary-grid,.submit-grid,.developer-grid{display:grid;gap:18px}.info-card,.safety-panel,.code-panel{border:1px solid var(--line);border-radius:22px;background:var(--primary-soft-2);padding:20px}.info-card h3,.safety-panel h3,.code-panel h3{margin:0 0 8px;color:var(--deep)}.info-card p,.safety-panel p{margin:0;color:var(--muted)}.code-panel{background:#1D2A3A;color:#DBEAFE}.code-panel pre{margin:0;white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;color:#DBEAFE}.process-steps{display:grid;gap:14px}.step-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:0 10px 24px rgba(31,55,82,.05)}.step-num{display:inline-flex;width:32px;height:32px;border-radius:12px;align-items:center;justify-content:center;background:var(--primary);color:#fff;font-weight:900}.step-card h3{margin:12px 0 6px;color:var(--deep)}.step-card p{margin:0;color:var(--muted)}.risk-grid{display:grid;gap:14px}.risk-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:20px;padding:18px}.risk-card h3{margin:0 0 8px;color:var(--deep)}.risk-card p{margin:0 0 8px;color:var(--muted)}.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px}.faq-item h3{margin:0 0 8px;color:var(--deep);font-size:19px}.faq-item p{margin:0;color:var(--muted)}.cta-section{text-align:center;border-radius:32px;border:1px solid var(--line);background:linear-gradient(135deg,#F4F8FF,#FFFFFF 58%,#EAF3FF);padding:38px 22px;box-shadow:var(--shadow)}.cta-section h2{margin:0 0 10px;color:var(--deep);font-size:clamp(26px,5vw,40px)}.cta-section p{margin:0 auto 22px;color:var(--muted);max-width:680px}.page-hero{padding:54px 0 26px}.page-hero .container{display:grid;gap:22px}.page-title-card{border:1px solid var(--line);border-radius:30px;background:#fff;box-shadow:var(--shadow);padding:26px}.page-title-card h1{margin:0 0 14px;color:var(--deep);font-size:clamp(32px,7vw,52px);line-height:1.12}.page-title-card p{margin:0;color:var(--muted);font-size:18px}.content-layout{display:grid;gap:22px;align-items:start}.article-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:var(--shadow)}.article-card h2{color:var(--deep);margin:0 0 12px;font-size:26px}.article-card p{color:var(--muted);margin:0 0 16px}.side-panel{background:var(--primary-soft-2);border:1px solid var(--line);border-radius:26px;padding:20px;position:sticky;top:96px}.side-panel h2,.side-panel h3{margin-top:0;color:var(--deep)}.category-grid{display:grid;gap:14px}.mini-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}.mini-card strong{display:block;color:var(--deep);margin-bottom:6px}.mini-card span{color:var(--muted);font-size:14px}.download-inline{margin-top:22px}.download-page-grid{display:grid;gap:18px}.site-footer{margin-top:58px;background:#F2F6FC;border-top:1px solid var(--line);padding:36px 0 0}.footer-grid{display:grid;gap:24px}.site-footer p{color:var(--muted);margin:12px 0 0}.site-footer h3{margin:0 0 10px;color:var(--deep)}.site-footer a:not(.footer-brand){display:block;color:var(--muted);padding:4px 0}.footer-bottom{text-align:center;border-top:1px solid var(--line);color:var(--muted);font-size:14px;margin-top:28px;padding:16px}.footer-brand img{width:36px;height:36px}
@media (min-width:640px){.service-index{grid-template-columns:repeat(2,1fr)}.risk-grid{grid-template-columns:repeat(2,1fr)}.process-steps{grid-template-columns:repeat(2,1fr)}.download-page-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:900px){.nav-toggle{display:none}.site-nav{position:static;display:flex!important;flex-direction:row;align-items:center;background:transparent;border:0;box-shadow:none;padding:0;gap:4px}.site-nav a{font-size:14px;padding:8px 10px}.web3-dashboard-hero{padding:76px 0 54px}.hero-grid{grid-template-columns:1.05fr .95fr;align-items:center}.hero-copy{padding:42px}.status-panel{grid-template-columns:repeat(2,1fr);position:absolute;left:22px;right:22px;bottom:22px}.hero-visual{padding-bottom:146px}.service-index{grid-template-columns:repeat(4,1fr)}.service-card:first-child{grid-column:span 2}.feature-panel{grid-template-columns:1.05fr .95fr;padding:34px}.feature-panel.reverse .feature-image{order:2}.boundary-grid,.submit-grid,.developer-grid{grid-template-columns:1fr 1fr}.content-layout{grid-template-columns:minmax(0,1fr) 320px}.category-grid{grid-template-columns:repeat(2,1fr)}.risk-grid{grid-template-columns:repeat(4,1fr)}.process-steps{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1.4fr .8fr .8fr}.download-page-grid{grid-template-columns:1fr 1fr 1fr}.page-title-card{padding:38px}}
@media (min-width:1100px){.site-nav a{padding:9px 12px}.risk-grid{grid-template-columns:repeat(4,1fr)}}