:root{--bg:#f4f6f8;--card:#fff;--text:#1a2027;--muted:#5a6573;--accent:#0369a1;--border:#d8dee6}*{box-sizing:border-box}body{color:var(--text);background:radial-gradient(circle at 100% 0,#dbeafe 0%,#f4f6f8 40%,#edf2f7 100%);margin:0;font-family:Noto Sans SC,Source Han Sans SC,sans-serif}main{max-width:860px;margin:0 auto;padding:24px 16px 48px}.stack{flex-direction:column;gap:16px;display:flex}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;box-shadow:0 8px 24px #0f172a0f}textarea{border:1px solid var(--border);width:100%;min-height:110px;font:inherit;border-radius:10px;padding:10px 12px}button{background:var(--accent);color:#fff;cursor:pointer;border:0;border-radius:10px;margin-top:12px;padding:10px 16px;font-weight:700}pre{white-space:pre-wrap;word-break:break-word;margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:12px;line-height:1.5}.muted{color:var(--muted)}.historyHeader{justify-content:space-between;align-items:center;gap:12px;display:flex}.historyQuestion{margin:10px 0 14px;font-weight:700}.answerBodyCard{background:linear-gradient(#f7fbff 0%,#eef6fb 100%);border:1px solid #bfd7ea;border-radius:12px;margin:12px 0;padding:14px}.answerBodyCard p{margin:0;line-height:1.7}h2,h3{margin:0 0 10px}ul{margin:0;padding-left:18px}.gridTwo{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:12px;display:grid}.infoBlock{border:1px solid var(--border);background:#f8fbfd;border-radius:10px;padding:12px}.infoBlock p{margin:0;line-height:1.6}.soft{grid-column:1/-1}.conceptGrid{margin:12px 0}.conceptLead{background:linear-gradient(#f4fbf7 0%,#e8f5ec 100%);border-color:#bdd9c7}.compactNotice{background:#fff8e8;border-color:#ead9a8;margin:12px 0}.safetyDetails{margin-top:12px}.safetyDetails summary{cursor:pointer;color:var(--accent);font-weight:700}@media (max-width:720px){.gridTwo{grid-template-columns:1fr}.soft{grid-column:auto}}