*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:#f7f7f8;color:#0d0d0d;line-height:1.65;font-size:15px}
a{color:#10a37f;text-decoration:none}
a:hover{text-decoration:underline}
.ai-app{min-height:100vh;display:flex;flex-direction:column;max-width:820px;margin:0 auto;background:#fff;box-shadow:0 0 0 1px #e5e5e5}
.ai-topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;border-bottom:1px solid #ececec;background:#fff;position:sticky;top:0;z-index:10}
.ai-brand{font-weight:700;color:#0d0d0d;font-size:15px}
.ai-brand:hover{text-decoration:none;color:#10a37f}
.ai-badge{font-size:11px;color:#6e6e80;background:#f0f0f0;padding:4px 10px;border-radius:12px}
.ai-chat{flex:1;padding:20px 16px 28px;display:flex;flex-direction:column;gap:16px}
.ai-row{display:flex;gap:12px;align-items:flex-start;max-width:100%}
.ai-row-user{justify-content:flex-end}
.ai-row-bot{align-items:flex-start}
.ai-row-muted .ai-bubble-flat{background:#fafafa}
.ai-avatar{width:32px;height:32px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;flex-shrink:0}
.ai-avatar-bot{background:linear-gradient(135deg,#10a37f,#0d8a6a);color:#fff}
.ai-avatar-user{background:#5436da;color:#fff}
.ai-bubble{max-width:min(100%,640px);padding:14px 16px;border-radius:12px;font-size:15px;line-height:1.7}
.ai-bubble-bot{background:#f7f7f8;color:#0d0d0d;border:1px solid #ececec;border-top-left-radius:4px}
.ai-bubble-user{background:#5436da;color:#fff;border-top-right-radius:4px;text-align:left}
.ai-bubble-flat{border-style:dashed}
.ai-lead{color:#6e6e80;font-size:14px;margin-bottom:10px}
.ai-hint{font-size:13px;color:#8e8ea0;margin:8px 0 12px}
.ai-answer-title{font-size:17px;font-weight:700;margin-bottom:8px;color:#0d0d0d}
.ai-bubble h3{font-size:14px;font-weight:700;color:#10a37f;margin:16px 0 6px}
.ai-bubble p{margin-bottom:.6em}
.ai-bubble p:last-child{margin-bottom:0}
.ai-rich{line-height:1.75}
.ai-rich p{margin-bottom:.5em}
.ai-table{width:100%;border-collapse:collapse;margin:12px 0;font-size:14px}
.ai-table th,.ai-table td{padding:8px 10px;border:1px solid #e5e5e5;text-align:left}
.ai-table th{width:96px;background:#fafafa;color:#6e6e80;font-weight:600}
.ai-chips{list-style:none;display:flex;flex-direction:column;gap:8px}
.ai-chips-inline{flex-direction:row;flex-wrap:wrap}
.ai-chips li a{display:inline-block;padding:8px 14px;background:#fff;border:1px solid #d9d9e3;border-radius:20px;font-size:14px;color:#0d0d0d;transition:.15s}
.ai-chips li a:hover{background:#ecfdf5;border-color:#10a37f;color:#10a37f;text-decoration:none}
.ai-chips-inline li a{border-radius:8px}
.ai-zuci{list-style:none;border:1px solid #ececec;border-radius:8px;overflow:hidden}
.ai-zuci li{border-bottom:1px solid #ececec}
.ai-zuci li:last-child{border-bottom:none}
.ai-zuci a{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;color:inherit}
.ai-zuci a:hover{background:#f0fdf8;text-decoration:none}
.ai-zuci b{font-weight:600;color:#0d0d0d}
.ai-zuci span{font-size:13px;color:#8e8ea0}
.ai-links-label{font-size:12px;color:#8e8ea0;margin-bottom:6px}
.ai-links{font-size:13px;line-height:2}
.ai-links a{margin-right:14px;color:#6e6e80}
.ai-foot{padding:14px 20px;border-top:1px solid #ececec;text-align:center;font-size:12px;color:#8e8ea0;background:#fafafa}
.ai-foot a{color:#8e8ea0}
@media(max-width:600px){
.ai-app{box-shadow:none}
.ai-bubble{max-width:calc(100% - 44px)}
.ai-row-user .ai-bubble-user{max-width:85%}
}