:root{
  --primary:#2980FE;
  --primary-soft:#EAF3FF;
  --primary-light:#F4F8FF;
  --white:#FFFFFF;
  --bg:#F7FAFD;
  --bg-soft:#EEF5FB;
  --text:#1F2937;
  --muted:#5F6B7A;
  --line:#E3EAF2;
  --dark:#263241;
  --shadow:0 18px 50px rgba(30,75,120,.10);
  --radius:24px;
  --radius-lg:30px;
}
*{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:1.7;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(900px,calc(100% - 32px));margin:0 auto}.section{padding:56px 0}.section-tight{padding:34px 0}.eyebrow,.category-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(41,128,254,.18);background:var(--primary-soft);color:var(--primary);border-radius:999px;padding:7px 12px;font-size:13px;font-weight:700;letter-spacing:.03em}.section-title{font-size:30px;line-height:1.25;margin:14px 0 14px}.section-lead{color:var(--muted);max-width:760px;margin:0 0 24px}.muted{color:var(--muted)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.header-inner{width:min(1180px,calc(100% - 28px));margin:0 auto;min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:16px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--dark);white-space:nowrap}.logo img{width:38px;height:38px;object-fit:contain}.main-nav{display:none;gap:6px;align-items:center}.main-nav a{font-size:14px;color:#405064;padding:9px 11px;border-radius:999px}.main-nav a:hover,.main-nav a.active{color:var(--primary);background:var(--primary-soft)}.nav-toggle{display:none}.nav-toggle-label{display:flex;flex-direction:column;gap:5px;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:14px;background:#fff}.nav-toggle-label span{width:20px;height:2px;background:#344256;border-radius:8px}.nav-toggle:checked~.main-nav{display:flex;position:absolute;left:14px;right:14px;top:76px;flex-direction:column;align-items:stretch;background:#fff;padding:16px;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px}.nav-toggle:checked~.main-nav a{padding:12px 14px}
.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;font-weight:800;box-shadow:0 16px 30px rgba(41,128,254,.24);border:1px solid rgba(41,128,254,.2);transition:transform .2s ease,box-shadow .2s ease}.download-btn:hover{transform:translateY(-2px);box-shadow:0 20px 36px rgba(41,128,254,.28)}
.web3-dashboard-hero{position:relative;padding:58px 0 38px;overflow:hidden;background:radial-gradient(circle at 12% 8%,rgba(41,128,254,.13),transparent 34%),linear-gradient(180deg,#fff 0%,#f4f8ff 100%)}.hero-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}.hero-copy h1{font-size:40px;line-height:1.12;margin:16px 0 16px;letter-spacing:-.03em}.hero-copy p{color:var(--muted);font-size:17px;margin:0 0 22px}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:24px 0}.security-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}.security-tags span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 11px;color:#405064;font-size:13px}.hero-console{position:relative;background:rgba(255,255,255,.74);border:1px solid rgba(41,128,254,.16);border-radius:var(--radius-lg);padding:18px;box-shadow:var(--shadow)}.product-stage{display:grid;grid-template-columns:1fr;gap:16px}.product-shot{background:linear-gradient(135deg,#eff6ff,#fff);border:1px solid var(--line);border-radius:26px;display:flex;align-items:center;justify-content:center;min-height:260px;padding:18px;overflow:hidden}.product-shot img{max-height:360px;object-fit:contain}.status-panel{display:grid;grid-template-columns:1fr;gap:10px}.status-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px}.status-card strong{display:block;font-size:15px;color:var(--dark)}.status-card span{font-size:13px;color:var(--muted)}.dot{width:9px;height:9px;border-radius:50%;display:inline-block;background:var(--primary);margin-right:8px;box-shadow:0 0 0 5px rgba(41,128,254,.12)}
.service-index{padding:44px 0;background:#fff}.index-grid{display:grid;grid-template-columns:1fr;gap:14px}.service-card,.info-card,.risk-card,.faq-item,.step-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 10px 30px rgba(31,41,55,.05)}.service-card .tag{display:inline-flex;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:4px 9px;font-weight:800;font-size:12px;margin-bottom:10px}.service-card h3,.info-card h3,.risk-card h3{margin:0 0 8px;font-size:18px}.service-card p,.info-card p,.risk-card p{margin:0 0 12px;color:var(--muted)}.text-link{color:var(--primary);font-weight:800}.text-link::after{content:" →"}
.feature-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr;gap:22px;align-items:center}.feature-panel.soft{background:linear-gradient(135deg,#f5f9ff,#fff)}.feature-panel.reverse .feature-media{order:0}.feature-media{border-radius:26px;background:linear-gradient(135deg,#eef6ff,#fff);border:1px solid var(--line);min-height:230px;display:flex;align-items:center;justify-content:center;padding:18px;overflow:hidden}.feature-media img{max-height:330px;object-fit:contain}.feature-content h2{font-size:28px;line-height:1.25;margin:12px 0}.feature-content p{color:var(--muted);margin:0 0 16px}.check-list{display:grid;gap:10px;margin:18px 0;padding:0;list-style:none}.check-list li{position:relative;padding-left:28px;color:#425166}.check-list li::before{content:"";position:absolute;left:0;top:.62em;width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 5px rgba(41,128,254,.12)}
.privacy-boundary-section,.submit-chain-section,.developer-center-section{padding:56px 0}.boundary-grid,.chain-grid,.developer-grid{display:grid;grid-template-columns:1fr;gap:16px}.safety-panel{background:linear-gradient(135deg,#f2f7ff,#fff);border:1px solid rgba(41,128,254,.16);border-radius:var(--radius-lg);padding:24px}.label-row{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.label-row span{border:1px solid rgba(41,128,254,.22);background:#fff;color:var(--primary);border-radius:999px;padding:7px 12px;font-weight:700;font-size:13px}.code-panel{background:#203040;color:#eef6ff;border-radius:24px;padding:20px;border:1px solid rgba(255,255,255,.2);box-shadow:0 18px 45px rgba(26,45,70,.14);overflow:hidden}.code-panel pre{white-space:pre-wrap;word-break:break-word;margin:0;font-family:"SFMono-Regular",Consolas,monospace;font-size:13px;line-height:1.8}.code-panel .comment{color:#AFC8E8}.code-panel .key{color:#8FC1FF}.code-panel .value{color:#F5FAFF}
.process-steps{display:grid;grid-template-columns:1fr;gap:14px}.step-card{position:relative;padding-top:24px}.step-num{width:36px;height:36px;border-radius:14px;background:var(--primary);color:#fff;font-weight:900;display:grid;place-items:center;margin-bottom:12px}.risk-grid,.faq-grid,.card-grid{display:grid;grid-template-columns:1fr;gap:14px}.risk-card{border-left:4px solid var(--primary)}.risk-card .advice{font-size:14px;color:#334155;background:var(--primary-soft);border-radius:14px;padding:10px;margin:10px 0}.faq-item h3{margin:0 0 8px;font-size:17px}.faq-item p{margin:0;color:var(--muted)}.cta-section{padding:58px 0}.cta-box{text-align:center;border:1px solid rgba(41,128,254,.16);background:linear-gradient(135deg,#edf5ff,#fff);border-radius:var(--radius-lg);padding:34px 20px;box-shadow:var(--shadow)}.cta-box h2{font-size:29px;margin:0 0 10px}.cta-box p{max-width:680px;margin:0 auto 22px;color:var(--muted)}
.page-hero{padding:44px 0 24px;background:linear-gradient(180deg,#fff,#f6faff)}.page-hero h1{font-size:36px;line-height:1.18;margin:14px 0}.page-hero p{color:var(--muted);font-size:17px;margin:0}.content-layout{display:grid;grid-template-columns:1fr;gap:22px;padding:34px 0 58px}.article-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow)}.article-card h2{font-size:24px;margin:0 0 12px}.article-card p{color:#475569;margin:0 0 15px}.aside-panel{background:var(--primary-light);border:1px solid var(--line);border-radius:24px;padding:20px;align-self:start}.aside-panel h3{margin:0 0 10px}.aside-panel a{display:block;padding:10px 0;color:var(--primary);font-weight:800;border-bottom:1px solid rgba(41,128,254,.12)}.aside-panel a:last-child{border-bottom:0}.download-card{margin-top:20px;padding:20px;border-radius:24px;background:linear-gradient(135deg,#f3f8ff,#fff);border:1px solid rgba(41,128,254,.18)}.ordered-list{counter-reset:item;display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}.ordered-list li{counter-increment:item;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 16px 16px 58px;position:relative;color:#475569}.ordered-list li::before{content:counter(item);position:absolute;left:16px;top:16px;width:28px;height:28px;display:grid;place-items:center;border-radius:11px;background:var(--primary);color:#fff;font-weight:900}.table-like{display:grid;gap:10px;margin-top:16px}.table-row{display:grid;grid-template-columns:1fr;gap:8px;padding:14px;border:1px solid var(--line);border-radius:18px;background:#fff}.table-row strong{color:var(--dark)}.table-row span{color:var(--muted)}
.site-footer{background:#243244;color:#d7e1ee;padding:42px 0 0}.footer-grid{display:grid;grid-template-columns:1fr;gap:24px}.footer-brand{font-size:20px;font-weight:900;color:#fff;margin-bottom:10px}.site-footer p{color:#b9c7d8;margin:0}.site-footer h3{color:#fff;margin:0 0 10px;font-size:16px}.site-footer a{display:block;color:#d7e1ee;padding:4px 0}.footer-bottom{text-align:center;border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding:18px;color:#aab8c9;font-size:13px}
@media (min-width:640px){.index-grid{grid-template-columns:repeat(2,1fr)}.risk-grid,.faq-grid,.card-grid{grid-template-columns:repeat(2,1fr)}.process-steps{grid-template-columns:repeat(2,1fr)}.status-panel{grid-template-columns:repeat(2,1fr)}.table-row{grid-template-columns:170px 1fr}.hero-copy h1{font-size:48px}}
@media (min-width:900px){.section{padding:76px 0}.nav-toggle-label{display:none}.main-nav{display:flex}.hero-grid{grid-template-columns:minmax(0,1fr) minmax(420px,.95fr);gap:42px}.hero-copy h1{font-size:58px}.product-stage{grid-template-columns:1.05fr .95fr}.web3-dashboard-hero{padding:78px 0 54px}.index-grid{grid-template-columns:repeat(4,1fr)}.index-grid .wide{grid-column:span 2}.feature-panel{grid-template-columns:1fr 1fr;padding:34px}.feature-panel.reverse .feature-media{order:2}.feature-content h2{font-size:34px}.boundary-grid{grid-template-columns:1.2fr .8fr}.chain-grid{grid-template-columns:.9fr 1.1fr}.developer-grid{grid-template-columns:1fr 1fr}.process-steps{grid-template-columns:repeat(3,1fr)}.risk-grid{grid-template-columns:repeat(4,1fr)}.faq-grid{grid-template-columns:repeat(3,1fr)}.content-layout{grid-template-columns:minmax(0,1fr) 300px}.page-hero h1{font-size:46px}.footer-grid{grid-template-columns:1.4fr .8fr .8fr}.card-grid{grid-template-columns:repeat(3,1fr)}}
@media (min-width:1100px){.index-grid{grid-template-columns:repeat(7,1fr)}.index-grid .service-card{grid-column:span 2}.index-grid .service-card:nth-child(1),.index-grid .service-card:nth-child(7){grid-column:span 3}.risk-grid{grid-template-columns:repeat(4,1fr)}}
@media (max-width:420px){.container,.narrow{width:min(100% - 24px,1120px)}.hero-copy h1{font-size:34px}.section-title,.feature-content h2{font-size:26px}.download-btn{width:100%;padding-left:18px;padding-right:18px}.product-shot{min-height:220px}.article-card{padding:20px}.service-card,.info-card,.risk-card,.faq-item,.step-card{padding:18px}}