:root{
  --primary:#2980FE;
  --primary-dark:#1766d8;
  --text:#1f2937;
  --muted:#6b7280;
  --soft:#f6f8fb;
  --soft-blue:#f0f6ff;
  --line:#e5eaf1;
  --white:#ffffff;
  --deep:#111827;
  --radius:24px;
  --shadow:0 18px 50px rgba(41,128,254,.10);
}
*{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%,#f8fbff 48%,#fff 100%);line-height:1.72;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}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(229,234,241,.85)}
.nav-shell{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--deep);letter-spacing:.02em}
.brand-logo,.footer-logo img{width:38px;height:38px;object-fit:contain;border-radius:12px}
.main-nav{display:flex;align-items:center;gap:6px;font-size:14px;color:#4b5563}
.main-nav a{padding:10px 12px;border-radius:999px;transition:.2s ease}
.main-nav a:hover,.main-nav a.active{color:var(--primary);background:var(--soft-blue)}
.nav-toggle{display:none}.nav-trigger{display:none}
.section{padding:64px 0}.section-tight{padding:44px 0}.gradient-bg{background:linear-gradient(135deg,#f4f9ff 0%,#fff 48%,#eef5ff 100%)}
.eyebrow,.category-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:var(--soft-blue);color:var(--primary);font-size:13px;font-weight:800;border:1px solid rgba(41,128,254,.14)}
h1,h2,h3{color:var(--deep);line-height:1.22;margin:0 0 14px} h1{font-size:clamp(34px,6vw,64px);letter-spacing:-.04em} h2{font-size:clamp(26px,4vw,42px);letter-spacing:-.025em} h3{font-size:21px} p{margin:0 0 16px;color:var(--muted)}
.lead{font-size:18px;color:#4b5563}.section-head{max-width:760px;margin-bottom:24px}.center{text-align:center;margin-left:auto;margin-right:auto}.muted{color:var(--muted)}
.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:800;box-shadow:0 16px 28px rgba(41,128,254,.24);transition:.18s ease;border:0;cursor:pointer;white-space:nowrap}.download-btn:hover{transform:translateY(-2px);background:var(--primary-dark)}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:800}.text-link:after{content:"›";font-size:20px;line-height:1}.link-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:12px}
.web3-dashboard-hero{position:relative;padding:58px 0 72px;overflow:hidden}.web3-dashboard-hero:before{content:"";position:absolute;inset:-160px -120px auto auto;width:430px;height:430px;background:radial-gradient(circle,rgba(41,128,254,.18),transparent 64%);pointer-events:none}.hero-grid{display:grid;gap:30px;align-items:center}.hero-copy{position:relative;z-index:2}.hero-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:28px 0 22px}.trust-tags,.pill-row{display:flex;gap:10px;flex-wrap:wrap}.trust-tags span,.pill-row span{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#506078;font-size:13px;font-weight:700}
.hero-console{position:relative;background:rgba(255,255,255,.82);border:1px solid var(--line);border-radius:30px;padding:18px;box-shadow:var(--shadow);overflow:hidden}.hero-console:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(41,128,254,.08),transparent 42%)}.product-frame{position:relative;z-index:2;border-radius:26px;background:linear-gradient(180deg,#f7fbff,#fff);padding:18px;border:1px solid var(--line);display:grid;place-items:center;min-height:260px}.product-frame img{max-height:370px;object-fit:contain;margin:auto}.status-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}.status-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:0 10px 26px rgba(15,23,42,.05)}.status-card strong{display:block;color:var(--deep);font-size:15px}.status-card span{font-size:12px;color:var(--muted)}.status-dot{width:9px;height:9px;border-radius:50%;background:var(--primary);display:inline-block;margin-right:7px;box-shadow:0 0 0 5px rgba(41,128,254,.12)}
.service-index{display:grid;grid-template-columns:1fr;gap:14px}.service-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 12px 34px rgba(15,23,42,.04);transition:.18s ease}.service-card:hover{transform:translateY(-3px);border-color:rgba(41,128,254,.32);box-shadow:var(--shadow)}.service-card .tag{display:inline-block;margin-bottom:12px;font-size:12px;color:var(--primary);font-weight:800;background:var(--soft-blue);border-radius:999px;padding:5px 10px}.service-card p{font-size:14px}.service-card.large{grid-column:auto}.service-card h3{font-size:20px}
.feature-panel{border:1px solid var(--line);border-radius:30px;background:#fff;box-shadow:var(--shadow);padding:24px;overflow:hidden}.feature-grid{display:grid;gap:26px;align-items:center}.feature-visual{border-radius:26px;background:linear-gradient(135deg,#f4f8ff,#fff);border:1px solid var(--line);padding:22px;min-height:260px;display:grid;place-items:center}.feature-visual img{max-height:360px;object-fit:contain}.check-list{display:grid;gap:12px;margin:20px 0}.check-list li{list-style:none;position:relative;padding-left:30px;color:#4b5563}.check-list li:before{content:"";position:absolute;left:0;top:.55em;width:16px;height:16px;border-radius:50%;background:var(--primary);box-shadow:inset 0 0 0 5px #dcebff}.digital-assets-hub .feature-panel{background:linear-gradient(135deg,#fff 0%,#f6faff 100%)}.web3-ecosystem-section .feature-panel{background:#fff}.hardware-wallet-section{background:linear-gradient(180deg,#f6f8fb 0%,#fff 100%)}.hardware-wallet-section .feature-panel{background:linear-gradient(135deg,#f7f9fc,#fff)}.swap-service-section .feature-panel{background:linear-gradient(135deg,#fff,#f2f7ff)}
.privacy-boundary-section .boundary-grid,.submit-chain-section .submit-grid,.developer-center-section .developer-grid{display:grid;gap:18px}.safety-panel{background:#fff;border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:0 14px 38px rgba(15,23,42,.05)}.safety-panel.blue{background:linear-gradient(135deg,#eef6ff,#fff);border-color:rgba(41,128,254,.22)}.mini-grid{display:grid;gap:12px}.mini-card{padding:16px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.84)}.mini-card strong{display:block;color:var(--deep);margin-bottom:6px}.mini-card span{color:var(--muted);font-size:14px}.code-panel{background:#111827;color:#dbeafe;border-radius:24px;padding:22px;overflow:hidden;box-shadow:0 18px 42px rgba(15,23,42,.16)}.code-panel code{display:block;white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:13px;line-height:1.75}.code-panel .blue{color:#7ab3ff}.code-panel .green{color:#a7f3d0}
.process-steps{display:grid;gap:14px;counter-reset:step}.step-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px 20px 20px 68px;box-shadow:0 10px 28px rgba(15,23,42,.04)}.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{background:#fff;border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:20px;padding:20px;box-shadow:0 8px 28px rgba(15,23,42,.04)}.risk-card strong{display:block;color:var(--deep);font-size:17px;margin-bottom:8px}.risk-card small{display:block;color:var(--muted);font-size:14px;margin-bottom:10px}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:0 8px 24px rgba(15,23,42,.04)}.faq-item h3{font-size:18px;margin-bottom:8px}.cta-section{padding:64px 0}.cta-box{text-align:center;background:linear-gradient(135deg,#eef6ff 0%,#fff 48%,#f5f8fc 100%);border:1px solid var(--line);border-radius:30px;padding:38px 24px;box-shadow:var(--shadow)}
.page-hero{padding:54px 0 30px;background:linear-gradient(135deg,#f2f7ff 0%,#fff 62%);border-bottom:1px solid var(--line)}.page-hero .container{max-width:920px}.page-hero h1{font-size:clamp(32px,5vw,52px)}.content-layout{display:grid;gap:22px;align-items:start}.content-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:0 12px 34px rgba(15,23,42,.045)}.content-card h2{font-size:26px}.content-card ul,.content-card ol{margin:14px 0 0;padding-left:22px;color:#4b5563}.content-card li{margin:8px 0}.side-stack{display:grid;gap:14px}.info-table{display:grid;gap:12px}.info-row{display:grid;gap:6px;padding:14px;border:1px solid var(--line);border-radius:16px;background:#fbfdff}.info-row strong{color:var(--deep)}.download-block{margin-top:24px}.download-block.center{text-align:center}.about-grid{display:grid;gap:18px}.about-card{padding:22px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 12px 30px rgba(15,23,42,.04)}.download-steps{display:grid;gap:14px;counter-reset:dstep}.download-step{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px 18px 18px 62px;position:relative}.download-step:before{counter-increment:dstep;content:counter(dstep);position:absolute;left:18px;top:18px;width:32px;height:32px;border-radius:12px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:900}.notice-box{border-radius:24px;background:var(--soft-blue);border:1px solid rgba(41,128,254,.18);padding:22px}.site-footer{margin-top:40px;background:#101828;color:#d0d7e2;padding:48px 0 22px}.site-footer a{display:block;color:#d0d7e2;margin:8px 0;font-size:14px}.site-footer h3{color:#fff;font-size:16px;margin-bottom:12px}.site-footer p{color:#aab4c3}.footer-grid{display:grid;gap:28px}.footer-logo{color:#fff}.footer-bottom{margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;color:#9ca8b8;font-size:13px}
@media (max-width:760px){.container{width:min(100% - 24px,1120px)}.nav-shell{min-height:66px}.nav-trigger{display:grid;gap:5px;width:42px;height:42px;place-content:center;border:1px solid var(--line);border-radius:14px;background:#fff}.nav-trigger span{display:block;width:20px;height:2px;background:var(--deep);border-radius:2px}.main-nav{position:absolute;left:12px;right:12px;top:72px;display:none;flex-direction:column;align-items:stretch;padding:14px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow)}.nav-toggle:checked ~ .main-nav{display:flex}.main-nav a{padding:12px 14px}.web3-dashboard-hero{padding:36px 0 52px}.status-grid{grid-template-columns:1fr}.hero-actions .download-btn{width:100%}.section{padding:44px 0}.feature-panel,.content-card,.safety-panel{padding:20px;border-radius:22px}.feature-visual{min-height:210px}.service-index{grid-template-columns:1fr}.cta-box{padding:30px 18px}.download-btn{width:100%;min-height:52px}.link-row{display:grid}.page-hero{padding:38px 0 24px}}
@media (min-width:700px){.service-index{grid-template-columns:repeat(2,1fr)}.process-steps{grid-template-columns:repeat(2,1fr)}.risk-grid{grid-template-columns:repeat(2,1fr)}.about-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr}.download-steps{grid-template-columns:repeat(2,1fr)}}
@media (min-width:960px){.hero-grid{grid-template-columns:1.02fr .98fr}.service-index{grid-template-columns:repeat(4,1fr)}.service-card.large{grid-column:span 2}.feature-grid{grid-template-columns:1fr 1fr}.feature-grid.reverse .feature-copy{order:2}.feature-grid.reverse .feature-visual{order:1}.privacy-boundary-section .boundary-grid{grid-template-columns:1.1fr .9fr}.submit-chain-section .submit-grid{grid-template-columns:.9fr 1.1fr}.developer-center-section .developer-grid{grid-template-columns:1.05fr .95fr}.content-layout{grid-template-columns:minmax(0,1fr) 330px}.risk-grid{grid-template-columns:repeat(3,1fr)}.process-steps{grid-template-columns:repeat(3,1fr)}}
@media (min-width:960px){.content-layout.alt-layout{grid-template-columns:330px minmax(0,1fr)}.content-layout.alt-layout>article{order:2}.content-layout.alt-layout>aside{order:1}}