:root{
  --bg:#fff;--surface:#fff;--soft:#f8fafd;--line:#e2e7ee;--text:#202124;--muted:#5f6368;
  --primary:#1a73e8;--primary-hover:#1765cc;--ok:#188038;--warn:#b06000;--danger:#d93025;
  --shadow:0 1px 2px rgba(60,64,67,.08),0 2px 6px rgba(60,64,67,.08);--radius:16px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Noto Sans TC","Noto Sans JP","Microsoft JhengHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit}.container{width:min(1120px,calc(100% - 40px));margin:auto}
.topbar{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.nav{height:64px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:20px;font-weight:600;white-space:nowrap}.brandmark{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--primary);color:white;font-weight:700}.navlinks{display:flex;align-items:center;gap:6px;flex:1}.navlinks a,.icon-link{padding:9px 12px;border-radius:20px;text-decoration:none;color:var(--muted);font-size:14px}.navlinks a:hover,.navlinks a.active,.icon-link:hover{background:#f1f3f4;color:var(--text)}.nav-actions{display:flex;align-items:center;gap:8px}.language-control{height:38px;border:1px solid var(--line);border-radius:20px;display:flex;align-items:center;padding:0 10px;gap:5px;background:white}.language-control select{border:0;background:transparent;color:var(--text);font-size:13px;outline:none;width:auto;padding:0}.cart-count{display:inline-grid;place-items:center;min-width:18px;height:18px;border-radius:9px;background:#e8f0fe;color:#174ea6;font-size:11px;margin-left:4px}
.hero{padding:96px 0 76px;text-align:center}.hero-inner{max-width:820px;margin:auto}.hero h1,h1{font-weight:500;letter-spacing:-1.6px}.hero h1{font-size:clamp(44px,7vw,72px);line-height:1.05;margin:0 0 24px}.hero p,.lead{font-size:18px;line-height:1.7;color:var(--muted);max-width:760px}.hero p{margin:0 auto 28px}.eyebrow{display:inline-block;color:var(--primary);font-size:13px;font-weight:600;margin-bottom:18px}.section{padding:64px 0}.section>h1{font-size:clamp(34px,5vw,52px);margin:10px 0 14px}.section-heading{text-align:center;max-width:760px;margin:0 auto 36px}.section-heading h2{font-size:34px;font-weight:500;margin:0 0 12px}
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.hero .actions{justify-content:center}.btn{border:0;border-radius:20px;padding:11px 20px;background:var(--primary);color:#fff;text-decoration:none;font-size:14px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.btn:hover{background:var(--primary-hover)}.btn.secondary{background:#fff;color:var(--primary);border:1px solid #dadce0}.btn.secondary:hover{background:#f8fafd}.btn.danger{background:#fff;color:var(--danger);border:1px solid #f2b8b5}.btn.compact,.btn.small{padding:9px 16px}.btn:disabled{opacity:.48;cursor:not-allowed}
.card,.hero-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:none}.card:hover.plan-card{box-shadow:var(--shadow)}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.plan-card{position:relative;display:flex;flex-direction:column;min-height:330px}.plan-card.featured{border:2px solid #a8c7fa}.plan-card .plan-badge{position:absolute;right:16px;top:16px;background:#e8f0fe;color:#174ea6;border-radius:12px;padding:5px 9px;font-size:12px}.plan-card h3{font-size:24px;font-weight:500;margin:8px 0}.plan-card .price{font-size:40px;font-weight:500;margin:18px 0 4px}.plan-card .price small{font-size:14px;color:var(--muted)}.plan-card .actions{margin-top:auto}.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:54px}.feature{padding:26px 22px;background:var(--soft);border-radius:18px;text-align:left}.feature h3{font-size:18px;margin:0 0 8px}.feature p{margin:0;color:var(--muted);line-height:1.6}
.form-card{max-width:560px;margin:0 auto}.input,select,textarea{width:100%;padding:13px 14px;border:1px solid #c4c7c5;border-radius:10px;background:#fff;color:var(--text);font:inherit;outline:none}.input:focus,select:focus,textarea:focus{border:2px solid var(--primary);padding:12px 13px}.field{display:grid;gap:7px;margin-bottom:16px}.field label{font-size:13px;color:var(--muted)}.form-row{display:flex;gap:10px}.form-row .input{flex:1}.message{min-height:22px;color:var(--muted);line-height:1.5}.ok{color:var(--ok)}.warn{color:var(--warn)}.danger{color:var(--danger)}.muted{color:var(--muted)}.notice{background:#f8fafd;border:1px solid var(--line);padding:14px 16px;border-radius:12px;line-height:1.55}
.status-line{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid #f1f3f4}.status-line:last-child{border-bottom:0}.pill{display:inline-block;border-radius:12px;padding:4px 9px;background:#e6f4ea;color:var(--ok);font-size:12px}.pill.neutral{background:#f1f3f4;color:var(--muted)}.metrics{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin:20px 0}.metric{background:var(--soft);border-radius:12px;padding:16px}.metric strong{display:block;margin-top:6px;font-size:20px;font-weight:500}.portal-secondary{margin-top:12px}.portal-secondary details{border:1px solid var(--line);border-radius:12px;overflow:hidden}.portal-secondary summary{cursor:pointer;padding:15px 18px;font-weight:600}.portal-detail-card{border:0;border-top:1px solid var(--line);border-radius:0}.state-banner{background:var(--soft);border-radius:16px;padding:24px;margin:20px 0}.state-banner h2{font-size:30px;font-weight:500;margin:8px 0}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:720px}th,td{padding:12px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}th{color:var(--muted);font-weight:600;background:#fafafa}.empty{text-align:center;padding:28px;color:var(--muted)}
.cart-shell{max-width:760px;margin:auto}.cart-item{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}.cart-item h3{margin:0 0 6px;font-size:22px;font-weight:500}.cart-summary{margin-top:16px}.payment-methods{display:grid;gap:10px}.payment-option{display:flex;align-items:flex-start;gap:12px;border:1px solid var(--line);border-radius:12px;padding:14px;cursor:pointer}.payment-option.selected{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary);background:#f8fbff}.payment-option.disabled{opacity:.48;cursor:not-allowed;background:#fafafa;pointer-events:none}.payment-option input{margin-top:3px}.payment-meta{flex:1}.payment-meta strong{display:block}.payment-meta small{display:block;color:var(--muted);margin-top:4px}.region-label{font-size:11px;color:var(--muted)}
.footer{margin-top:72px;padding:28px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.footer-row{display:flex;justify-content:space-between;gap:20px}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.tab{border:1px solid var(--line);background:#fff;border-radius:18px;padding:8px 14px;cursor:pointer}.tab.active{background:#e8f0fe;color:#174ea6;border-color:#a8c7fa}.panel{display:none}.panel.active{display:block}.code{font-family:Consolas,monospace;background:#f8fafd;border:1px solid var(--line);padding:10px;border-radius:8px;word-break:break-all}.guide-list{display:grid;gap:12px;max-width:820px}.guide-item{border-bottom:1px solid var(--line);padding:24px 0}.guide-item h2{font-size:22px;font-weight:500}.list{padding-left:20px;color:var(--muted);line-height:1.8}
@media(max-width:900px){.navlinks{display:none}.plan-grid,.grid-3,.grid-2,.feature-strip{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(2,1fr)}.hero{padding-top:70px}.nav{gap:10px}.language-control select{max-width:90px}}
@media(max-width:560px){.container{width:min(100% - 24px,1120px)}.nav-actions{gap:4px}.icon-link{padding:8px}.language-control{padding:0 7px}.language-control select{width:68px}.btn.compact{padding:9px 12px}.metrics{grid-template-columns:1fr}.footer-row{flex-direction:column}.cart-item{grid-template-columns:1fr}.form-row{flex-direction:column}}

/* 1.3.0 RC2 account experience */
.compact-lead{max-width:640px;margin-top:0}.account-shell{max-width:1040px}.account-login-wrap{min-height:calc(100vh - 220px);display:grid;place-items:center;padding:18px 0 42px}.account-login-card{width:min(440px,100%);padding:34px}.account-login-card h1{font-size:36px;margin:0 0 10px}.account-login-actions{margin-top:22px}.account-head{display:flex;align-items:flex-start;justify-content:space-between;gap:28px;padding:20px 0 10px}.account-email{font-size:clamp(30px,4vw,44px);letter-spacing:-1.1px;margin:0 0 8px;font-weight:500;word-break:break-word}.account-tabs{display:flex;gap:6px;overflow:auto;border-bottom:1px solid var(--line);margin:22px 0 34px;padding-bottom:0;scrollbar-width:none}.account-tabs::-webkit-scrollbar{display:none}.account-tab{appearance:none;border:0;background:transparent;color:var(--muted);font:inherit;font-size:14px;padding:13px 14px;border-bottom:2px solid transparent;white-space:nowrap;cursor:pointer}.account-tab:hover{color:var(--text);background:#f8fafd}.account-tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.account-view{display:none}.account-view.active{display:block}.account-primary{min-height:220px;border:1px solid var(--line);border-radius:20px;padding:32px;display:flex;align-items:center;justify-content:space-between;gap:30px;background:linear-gradient(135deg,#fff 0%,#f8fbff 100%)}.account-primary h2{font-size:clamp(30px,4vw,42px);font-weight:500;letter-spacing:-1px;margin:4px 0 10px}.account-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-top:18px}.account-kpi{background:#fff;padding:22px}.account-kpi span{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}.account-kpi strong{display:block;font-size:20px;font-weight:500;word-break:break-word}.account-section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:18px}.account-section-head h2{font-size:30px;font-weight:500;margin:0 0 6px}.account-section-head p{margin:0}.account-table-card{padding:0;overflow:hidden}.account-table-card table{min-width:700px}.account-table-card th{background:#fff}.account-download-card{padding:30px}.account-release{display:flex;align-items:center;justify-content:space-between;gap:24px}.account-release h3{font-size:30px;font-weight:500;margin:4px 0}.hash-details{margin-top:24px;border-top:1px solid var(--line);padding-top:18px}.hash-details summary{cursor:pointer;color:var(--muted);font-size:13px;margin-bottom:12px}.account-security-card{max-width:560px;padding:30px}.account-security-card .actions{margin-top:20px}
@media(max-width:760px){.account-head,.account-primary,.account-section-head,.account-release{align-items:stretch;flex-direction:column}.account-kpis{grid-template-columns:repeat(2,1fr)}.account-login-wrap{min-height:auto;padding-top:0}.account-login-card{padding:26px}.account-primary{min-height:0;padding:24px}}
@media(max-width:480px){.account-kpis{grid-template-columns:1fr}.account-tab{padding:12px 10px}.account-email{font-size:28px}}

/* RC3 Taiwan transfer */
.transfer-box{margin:16px 0;padding:16px;border:1px solid var(--border);border-radius:14px;background:var(--surface-soft,#f8f9fa)}
.code-inline{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.04em}
.check-row{display:flex;align-items:center;gap:10px;font-weight:600}

/* 1.3.0 RC4 dashboard */
.dashboard-shell{max-width:1080px}.dashboard-head{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:28px}.dashboard-head h1{font-size:clamp(30px,4vw,46px);margin:0 0 8px;word-break:break-word}.dashboard-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:18px}.dashboard-grid .card{min-height:230px}.dashboard-primary>strong,.dashboard-grid article>strong{display:block;font-size:30px;font-weight:500;margin:10px 0 16px}.dashboard-device-list{display:grid;gap:8px;margin:16px 0}.dashboard-device{padding:12px 0;border-bottom:1px solid var(--line)}.dashboard-device b,.dashboard-device small{display:block}.dashboard-device small{color:var(--muted);margin-top:4px}.dashboard-grid .notice{margin-top:18px}@media(max-width:900px){.dashboard-grid{grid-template-columns:1fr}.dashboard-head{flex-direction:column}}