:root{color-scheme:light;--bg:#f5f8fb;--surface:#fff;--text:#183047;--muted:#526476;--border:#dce5ed;--brand:#075f8e;--warning:#855507;--warning-bg:#fff6e3;--focus:#0369a1}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.75 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif}header{max-width:1040px;margin:auto;padding:24px 32px;display:flex;justify-content:space-between;align-items:center;gap:16px}header a{display:flex;align-items:center;gap:12px;color:var(--text);font-size:20px;font-weight:750;text-decoration:none;line-height:1.4}header small{display:block;font-size:12px;font-weight:500;color:var(--muted);letter-spacing:2px}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--brand);color:#fff;font-size:26px}.domain{font-size:13px;color:var(--muted)}main{width:min(100% - 40px,520px);margin:40px auto 0}.eyebrow{text-align:center;color:var(--muted);font-size:13px;letter-spacing:3px;margin-bottom:24px}.result{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:36px 32px;text-align:center;box-shadow:0 8px 32px #18304705}.symbol{display:grid;place-items:center;width:76px;height:76px;margin:0 auto 20px;border-radius:50%;background:var(--warning-bg);color:var(--warning)}.status{display:inline-block;margin:0 0 12px;border:1px solid #e5cf9d;border-radius:999px;padding:3px 12px;color:var(--warning);background:var(--warning-bg);font-size:13px;font-weight:600}h1{font-size:26px;line-height:1.4;letter-spacing:-.5px;margin:0 0 16px;text-wrap:balance}.description{color:var(--muted);margin:0;font-size:16px}dl{margin:28px 0 0;text-align:left;padding-top:16px;border-top:1px solid var(--border)}dl div{display:flex;justify-content:space-between;gap:16px;padding:6px 0;font-size:14px}dt{color:var(--muted);flex-shrink:0}dd{margin:0;text-align:right;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.notice{background:var(--warning-bg);border:1px solid #e8d5ae;border-radius:12px;padding:20px 24px;margin-top:20px;color:#6e4c17}.notice h2,.help h2{font-size:15px;margin:0 0 8px}.notice p,.help p{font-size:14px;margin:0;line-height:1.8}.help{padding:28px 8px 0;color:var(--muted)}.help p+p{margin-top:12px}button{display:block;width:100%;min-height:48px;margin-top:24px;padding:12px 20px;background:var(--brand);color:#fff;border:0;border-radius:10px;font:600 16px system-ui;cursor:pointer;touch-action:manipulation;transition:background .15s}button:hover{background:#064b71}button:active{background:#043b5a}button:disabled{opacity:.6;cursor:wait}button:focus-visible,a:focus-visible{outline:3px solid var(--focus);outline-offset:4px}#feedback{font-size:14px;color:var(--muted);margin:12px 0 0}#feedback:empty{display:none}[hidden]{display:none!important}footer{padding:40px 20px max(28px,env(safe-area-inset-bottom));text-align:center;color:var(--muted);font-size:12px}footer span{margin:0 8px}@media(max-width:480px){header{padding:20px}.domain{display:none}main{margin-top:20px}.result{padding:32px 24px}h1{font-size:24px}.notice{padding:20px}dl div{flex-wrap:wrap;gap:4px 16px}dd{margin-left:auto}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}