:root{--primary:#5b5cf6;--primary-dark:#4849df;--button-dark:#111827;--ink:#18181b;--muted:#6b7280;--line:#e6e8f0;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--shadow:0 24px 70px rgba(17,24,39,.10);}
*{box-sizing:border-box;margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;}
body{min-height:100vh;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:radial-gradient(circle at 50% -10%,rgba(91,92,246,.12),transparent 38%),linear-gradient(180deg,#fbfbff 0%,#ffffff 56%,#f7f8fc 100%);overflow-x:hidden;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font:inherit;}
.nav{height:66px;display:flex;align-items:center;justify-content:space-between;padding:0 5vw;border-bottom:1px solid rgba(230,232,240,.85);background:rgba(255,255,255,.78);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);position:sticky;top:0;z-index:10;}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.02em;}
.brand-mark{width:48px;height:34px;border-radius:10px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,#111827,var(--primary));box-shadow:0 10px 26px rgba(91,92,246,.28);font-size:12px;font-weight:950;}
.nav-links{display:flex;align-items:center;gap:18px;color:var(--muted);font-size:14px;}
.nav-links a:hover{color:var(--primary);}
.shell{width:min(960px,calc(100% - 32px));margin:0 auto;padding:82px 0 90px;}
.hero{text-align:center;margin-bottom:34px;}
.badge{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border:1px solid #ececff;border-radius:999px;color:#4f46e5;background:rgba(91,92,246,.06);font-size:13px;font-weight:800;}
.badge-dot{width:7px;height:7px;border-radius:99px;background:var(--success);box-shadow:0 0 0 5px rgba(16,185,129,.10);}
h1{margin:24px auto 12px;font-size:clamp(36px,5.2vw,58px);line-height:1.06;letter-spacing:-.045em;}
.hero p{color:var(--muted);font-size:17px;line-height:1.7;}
.panel{width:min(620px,100%);margin:0 auto;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.94);box-shadow:var(--shadow);overflow:hidden;}
.panel-head{padding:24px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#ffffff,#f8f8ff);}
.panel-title{display:flex;gap:12px;align-items:center;}
.lock{width:52px;height:42px;border-radius:12px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,#111827,var(--primary));font-size:12px;font-weight:950;}
.panel-title h2{font-size:22px;letter-spacing:-.03em;}
.panel-title p{margin-top:4px;color:var(--muted);font-size:14px;}
.panel-body{padding:24px;}
.field label{display:block;margin-bottom:8px;color:#374151;font-size:13px;font-weight:850;}
.field input,.field textarea{width:100%;border:1px solid #dfe3ed;border-radius:10px;outline:none;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.04em;line-height:1.55;}
.field input{height:50px;padding:0 15px;}
.field textarea{min-height:118px;padding:13px 15px;resize:vertical;}
.field input:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(91,92,246,.10);}
.hint{margin-top:8px;color:var(--muted);font-size:12px;}
.btn{width:100%;height:48px;margin-top:18px;border:0;border-radius:8px;color:#fff;background:var(--primary);box-shadow:0 14px 34px rgba(91,92,246,.22);font-weight:900;cursor:pointer;}
.btn:hover{background:var(--primary-dark);transform:translateY(-1px);}
.btn:disabled{opacity:.62;cursor:not-allowed;transform:none;}
.result{display:none;margin-top:18px;padding:18px;border:1px solid var(--line);border-radius:12px;background:#fafbff;}
.result.show{display:block;}
.result-list{display:grid;gap:12px;}
.result-item{padding:14px;border:1px solid var(--line);border-radius:12px;background:#fff;}
.result-summary{margin-bottom:14px;color:var(--muted);font-size:13px;line-height:1.6;}
.status-line{display:flex;justify-content:space-between;gap:12px;align-items:center;}
.status-line strong{font-size:18px;}
.pill{min-height:28px;display:inline-flex;align-items:center;padding:0 10px;border-radius:999px;font-size:12px;font-weight:900;}
.pill.active{color:#047857;background:#ecfdf5;}
.pill.used{color:#0369a1;background:#f0f9ff;}
.pill.success{color:#047857;background:#ecfdf5;}
.pill.receipt_used,.pill.receipt_invalid,.pill.failed{color:#b91c1c;background:#fef2f2;}
.pill.disabled,.pill.invalid,.pill.error{color:#b91c1c;background:#fef2f2;}
.detail{margin-top:14px;display:grid;gap:9px;color:#374151;font-size:14px;}
.detail-row{display:flex;justify-content:space-between;gap:12px;border-top:1px solid #edf0f6;padding-top:9px;}
.detail-row span:first-child{color:var(--muted);}
@media (max-width:720px){.nav{height:auto;min-height:66px;padding:10px 14px;gap:10px;align-items:flex-start;}
.brand{flex:0 0 auto;min-height:44px;}
.brand-mark{width:44px;height:32px;}
.nav-links{flex:1 1 auto;min-width:0;justify-content:flex-end;flex-wrap:wrap;gap:10px;font-size:13px;line-height:34px;}
.shell{width:min(100% - 28px,960px);padding:44px 0 70px;}
.hero{margin-bottom:24px;}
h1{font-size:34px;line-height:1.14;}
.hero p{font-size:15px;}
.panel-head,.panel-body{padding:20px;}
.panel{border-radius:16px;}
.panel-title{align-items:flex-start;}
.lock{flex:0 0 auto;width:48px;height:40px;}
.field input,.field textarea{font-size:14px;}
.status-line{align-items:flex-start;flex-direction:column;gap:10px;}
.detail-row{flex-direction:column;align-items:flex-start;gap:4px;}
.detail-row strong{max-width:100%;overflow-wrap:anywhere;}
}
@media (max-width:420px){.brand{gap:8px;font-size:15px;}
.nav-links a[href="/#steps"]{display:none;}
h1{font-size:31px;}
}

:root{color-scheme:light}
.pill.update_required{color:#713f12;background:#fff5e5}
.credential-copy{margin-top:14px;min-height:44px;padding:8px 12px;border:1px solid #dfe3ed;border-radius:6px;background:#fff;color:#374151;font:inherit;font-size:13px;cursor:pointer}
.credential-copy:hover{background:#f0f2f5}
.detail-row strong{min-width:0;overflow-wrap:anywhere;text-align:right}.detail-row span{flex:none}.status-line strong{min-width:0;overflow-wrap:anywhere}.pill{flex:none;white-space:nowrap}
.pill.available{color:#047857;background:#ecfdf5}.pill.processing,.pill.submitted,.pill.reserved{color:#3730a3;background:#eeedff}.pill.awaiting_confirmation,.pill.manual_review{color:#854d0e;background:#fff5e5}
:focus-visible{outline:3px solid #8d85ff;outline-offset:3px}.field textarea:focus-visible{outline:3px solid #8d85ff}.btn{transition:background .15s,transform .15s}
@media(max-width:720px){.field textarea{font-size:16px}.detail-row strong{text-align:left}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}