:root{
    --primary:#2980FE;
    --primary-soft:#EAF3FF;
    --primary-pale:#F5F9FF;
    --white:#FFFFFF;
    --gray-50:#F8FAFC;
    --gray-100:#EEF2F7;
    --gray-200:#E2E8F0;
    --gray-500:#64748B;
    --gray-700:#334155;
    --gray-900:#0F172A;
    --line:#DDE7F3;
    --shadow:0 20px 50px rgba(15,23,42,.08);
    --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(--gray-900);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(1140px,calc(100% - 32px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{width:min(1180px,calc(100% - 24px));margin:0 auto;display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:16px}
.logo,.footer-logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--gray-900);letter-spacing:.02em}
.logo img,.footer-logo img{width:38px;height:38px;border-radius:12px;object-fit:cover}
.nav-toggle{border:1px solid var(--line);background:#fff;border-radius:14px;padding:8px 12px;font-size:22px;color:var(--gray-700)}
.site-nav{display:none;position:absolute;left:12px;right:12px;top:72px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:12px;box-shadow:var(--shadow)}
.site-nav.is-open{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.site-nav a{padding:10px 12px;border-radius:12px;color:var(--gray-700);font-size:14px;font-weight:650}
.site-nav a:hover{background:var(--primary-soft);color:var(--primary)}
.section{padding:64px 0}
.section-tight{padding:42px 0}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid rgba(41,128,254,.18);border-radius:999px;background:var(--primary-soft);color:var(--primary);font-weight:800;font-size:13px;letter-spacing:.03em}
.section-title{font-size:clamp(28px,4vw,44px);line-height:1.15;margin:14px 0 14px;color:var(--gray-900);letter-spacing:-.03em}
.lead{font-size:18px;color:var(--gray-500);max-width:760px;margin:0 0 24px}
.muted{color:var(--gray-500)}
.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;font-weight:800;box-shadow:0 16px 34px rgba(41,128,254,.24);transition:.2s ease;border:0;white-space:nowrap}
.download-btn:hover{transform:translateY(-1px);box-shadow:0 18px 40px rgba(41,128,254,.3)}
.link-arrow{display:inline-flex;align-items:center;color:var(--primary);font-weight:800;margin-top:12px}
.link-arrow::after{content:"→";margin-left:7px}
.web3-dashboard-hero{position:relative;padding:58px 0 42px;overflow:hidden;background:radial-gradient(circle at 88% 12%,rgba(41,128,254,.16),transparent 30%),linear-gradient(180deg,#fff 0%,#f4f9ff 100%)}
.web3-dashboard-hero::before{content:"";position:absolute;inset:auto -10% 0 auto;width:420px;height:420px;background:rgba(41,128,254,.08);border-radius:50%;filter:blur(4px)}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
.hero-copy h1{font-size:clamp(36px,7vw,68px);line-height:1.04;margin:14px 0 18px;letter-spacing:-.055em;color:var(--gray-900)}
.hero-copy p{font-size:18px;color:var(--gray-500);margin:0 0 24px;max-width:680px}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.security-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.security-tags span{padding:8px 12px;background:#fff;border:1px solid var(--line);border-radius:999px;color:var(--gray-700);font-weight:700;font-size:13px}
.hero-console{position:relative;border:1px solid var(--line);background:rgba(255,255,255,.84);box-shadow:var(--shadow);border-radius:30px;padding:18px;overflow:hidden}
.hero-phone{display:flex;align-items:center;justify-content:center;min-height:240px;background:linear-gradient(145deg,#f9fbff,#eef6ff);border:1px solid var(--line);border-radius:24px}
.hero-phone img{max-height:420px;object-fit:contain;margin:auto}
.status-stack{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.status-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:0 8px 24px rgba(15,23,42,.04)}
.status-card strong{display:block;color:var(--gray-900);font-size:14px}.status-card span{display:block;color:var(--gray-500);font-size:12px;margin-top:2px}
.service-index{display:grid;grid-template-columns:1fr;gap:14px;margin-top:24px}
.service-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 12px 36px rgba(15,23,42,.05);position:relative;overflow:hidden}
.service-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:linear-gradient(90deg,var(--primary),rgba(41,128,254,.12))}
.service-card .tag{display:inline-flex;color:var(--primary);font-weight:900;font-size:12px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px}
.service-card h3{margin:0 0 8px;font-size:21px}.service-card p{margin:0;color:var(--gray-500)}
.feature-panel{border:1px solid var(--line);border-radius:30px;background:#fff;box-shadow:var(--shadow);padding:24px;overflow:hidden}
.digital-assets-hub,.web3-ecosystem-section,.hardware-wallet-section,.swap-service-section{display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
.panel-image{border:1px solid var(--line);border-radius:26px;background:linear-gradient(145deg,#f7fbff,#fff);padding:18px;min-height:250px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.panel-image img{max-height:390px;object-fit:contain}
.point-list{display:grid;gap:12px;margin:20px 0 0;padding:0;list-style:none}
.point-list li{display:grid;grid-template-columns:28px 1fr;gap:10px;align-items:start;color:var(--gray-700)}
.point-list li::before{content:"✓";display:inline-flex;width:28px;height:28px;border-radius:50%;align-items:center;justify-content:center;background:var(--primary-soft);color:var(--primary);font-weight:900}
.soft-bg{background:linear-gradient(180deg,#f4f9ff,#fff)}
.privacy-boundary-section,.submit-chain-section,.developer-center-section{display:grid;grid-template-columns:1fr;gap:18px}
.boundary-panel,.chain-panel,.developer-panel,.safety-panel{border:1px solid var(--line);border-radius:28px;background:#fff;padding:22px;box-shadow:0 12px 34px rgba(15,23,42,.05)}
.boundary-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.boundary-tags span{border:1px solid rgba(41,128,254,.18);background:var(--primary-pale);color:var(--primary);border-radius:999px;padding:8px 12px;font-weight:800;font-size:13px}
.code-panel{background:#0f2444;color:#dbeafe;border-radius:24px;padding:20px;overflow:hidden;border:1px solid rgba(41,128,254,.18)}
.code-panel code{display:block;white-space:pre-wrap;font-family:"SFMono-Regular",Consolas,monospace;font-size:13px;line-height:1.7;color:#eaf3ff}
.process-steps{display:grid;grid-template-columns:1fr;gap:14px;margin-top:24px}
.step-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 10px 28px rgba(15,23,42,.04)}
.step-num{display:inline-flex;width:34px;height:34px;border-radius:12px;background:var(--primary);color:#fff;align-items:center;justify-content:center;font-weight:900;margin-bottom:10px}.step-card h3{margin:0 0 8px}.step-card p{margin:0;color:var(--gray-500)}
.risk-grid,.category-grid,.faq-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:22px}
.risk-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:22px;padding:20px;box-shadow:0 10px 28px rgba(15,23,42,.04)}
.risk-card h3,.faq-item h3{margin:0 0 8px}.risk-card p,.faq-item p{margin:0 0 10px;color:var(--gray-500)}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 8px 24px rgba(15,23,42,.04)}
.cta-section{margin:42px auto 70px;width:min(1100px,calc(100% - 32px));border:1px solid rgba(41,128,254,.16);background:linear-gradient(135deg,#f0f7ff,#fff);border-radius:32px;padding:34px;text-align:center;box-shadow:var(--shadow)}
.cta-section h2{font-size:clamp(28px,5vw,44px);line-height:1.15;margin:0 0 12px}.cta-section p{margin:0 auto 22px;color:var(--gray-500);max-width:720px}
.page-hero{padding:54px 0 22px;background:linear-gradient(180deg,#fff,#f5f9ff)}
.page-layout{display:grid;grid-template-columns:1fr;gap:24px;width:min(1100px,calc(100% - 32px));margin:0 auto;padding:28px 0 72px}.article-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:var(--shadow)}
.article-card h1{font-size:clamp(32px,5vw,52px);line-height:1.12;margin:14px 0}.article-card h2{font-size:24px;margin:30px 0 12px}.article-card p{color:var(--gray-700);margin:0 0 16px}.article-card ul,.article-card ol{padding-left:22px;color:var(--gray-700)}
.side-panel{display:grid;gap:14px;align-content:start}.mini-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:0 8px 24px rgba(15,23,42,.04)}.mini-card h3{margin:0 0 8px}.mini-card p{margin:0;color:var(--gray-500)}
.download-wrap{margin-top:26px;padding-top:20px;border-top:1px solid var(--line)}
.install-steps{counter-reset:item;display:grid;gap:12px;padding:0;margin:18px 0;list-style:none}.install-steps li{counter-increment:item;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;display:grid;grid-template-columns:34px 1fr;gap:12px}.install-steps li::before{content:counter(item);display:inline-flex;width:34px;height:34px;border-radius:12px;background:var(--primary-soft);color:var(--primary);font-weight:900;align-items:center;justify-content:center}
.site-footer{background:#f6f9fd;border-top:1px solid var(--line);padding-top:46px}.footer-grid{display:grid;grid-template-columns:1fr;gap:24px}.site-footer p{color:var(--gray-500);margin:12px 0 0}.site-footer h3{font-size:16px;margin:0 0 12px}.site-footer a:not(.footer-logo){display:block;color:var(--gray-500);margin:8px 0}.site-footer a:not(.footer-logo):hover{color:var(--primary)}.footer-bottom{text-align:center;color:var(--gray-500);border-top:1px solid var(--line);padding:18px;margin-top:32px;font-size:14px}
@media (min-width:640px){.service-index{grid-template-columns:repeat(2,1fr)}.risk-grid,.faq-grid,.category-grid{grid-template-columns:repeat(2,1fr)}.process-steps{grid-template-columns:repeat(2,1fr)}.status-stack{grid-template-columns:repeat(3,1fr)}}
@media (min-width:900px){.nav-toggle{display:none}.site-nav{display:flex;position:static;box-shadow:none;border:0;background:transparent;padding:0;gap:2px}.site-nav a{font-size:14px}.web3-dashboard-hero{padding:84px 0 62px}.hero-grid{grid-template-columns:1.03fr .97fr;gap:48px}.service-index{grid-template-columns:repeat(4,1fr)}.service-card:nth-child(1),.service-card:nth-child(7){grid-column:span 2}.digital-assets-hub,.web3-ecosystem-section,.hardware-wallet-section,.swap-service-section{grid-template-columns:1fr 1fr}.hardware-wallet-section .panel-image{order:-1}.privacy-boundary-section,.submit-chain-section,.developer-center-section{grid-template-columns:1fr 1fr}.process-steps{grid-template-columns:repeat(3,1fr)}.risk-grid{grid-template-columns:repeat(3,1fr)}.faq-grid{grid-template-columns:repeat(2,1fr)}.page-layout{grid-template-columns:minmax(0,1fr) 320px}.article-card{padding:34px}.footer-grid{grid-template-columns:1.4fr .8fr .8fr}.status-stack{grid-template-columns:repeat(2,1fr)}.hero-console{padding:24px}}
@media (min-width:1180px){.status-stack{grid-template-columns:repeat(2,1fr)}.section{padding:82px 0}.process-steps{grid-template-columns:repeat(6,1fr)}}
@media (max-width:380px){.container,.page-layout,.cta-section{width:calc(100% - 22px)}.status-stack{grid-template-columns:1fr}.hero-copy h1{font-size:34px}.download-btn{width:100%}.hero-actions{align-items:stretch}.site-nav.is-open{grid-template-columns:1fr}}