:root{--bg:#f5f8f4;--card:#fff;--ink:#1f2937;--muted:#5b6473;--brand:#136f63;--brand-soft:#d8efe8;--danger:#b42318;--line:#dce4db}*{box-sizing:border-box}body{margin:0;font-family:Source Han Sans SC,PingFang SC,Noto Sans CJK SC,sans-serif;background:radial-gradient(circle at 0 0,#e5f4ef 0,transparent 42%),radial-gradient(circle at 100% 15%,#f1ece1 0,transparent 36%),var(--bg);color:var(--ink)}.page{max-width:1100px;margin:0 auto;padding:32px 16px 64px}.hero{background:linear-gradient(120deg,#e3f5ef,#f6f2e9);border:1px solid var(--line);border-radius:20px;padding:24px}.hero h1{margin:0;font-size:30px}.hero p{margin:12px 0 0;color:var(--muted)}.hero-actions{margin-top:14px}.ghost-btn{display:inline-block;border:1px solid var(--brand);color:var(--brand);padding:8px 14px;border-radius:999px;text-decoration:none}.tabs{display:flex;gap:8px;margin:20px 0}.tabs button{border:1px solid #b8d7c5;background:#e9f6f0;color:#2a5a4d;font-weight:600;padding:10px 14px;border-radius:10px;cursor:pointer}.tabs button.active{background:var(--brand);border-color:var(--brand);color:#fff}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;margin-top:14px}h2{margin-top:0;font-size:20px}.grid{display:grid;grid-gap:10px;gap:10px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}label{display:flex;flex-direction:column;gap:6px;margin-top:10px;font-size:14px}button,input,select,textarea{font:inherit}input,select,textarea{border:1px solid #d6dfd7;border-radius:10px;padding:10px;background:#fff}textarea{min-height:88px;resize:vertical}button{margin-top:12px;border:0;border-radius:10px;padding:10px 14px;background:var(--brand);color:#fff;cursor:pointer}button:disabled{opacity:.6;cursor:not-allowed}button.danger{background:var(--danger)}.inline-options{display:flex;gap:14px}.inline-options label{margin:0;flex-direction:row;align-items:center}.result-list{display:grid;grid-gap:10px;gap:10px;margin-top:14px}.result-item{border:1px solid #e8ede7;border-radius:12px;padding:12px}.result-item h3{margin:0;display:flex;justify-content:space-between;gap:12px}.result-item p{margin:8px 0 0;color:#4e5968}.result-item .sub{font-size:13px}.json-view{background:#0e1117;color:#dce9ff;border-radius:12px;padding:14px;overflow:auto;margin-top:12px;font-size:12px}.ai-block{display:grid;grid-gap:10px;gap:10px;margin-top:12px}.kv-card{border:1px solid #e4ebe2;border-radius:12px;padding:12px;background:#fcfefc}.kv-card h3{margin:0 0 8px;font-size:15px}.kv-card p{margin:0;color:#4a5565;white-space:pre-wrap}.kv-card ul{margin:0;padding-left:18px;color:#4a5565}.table-wrap{overflow:auto}.compare-table{width:100%;border-collapse:collapse}.compare-table td,.compare-table th{border:1px solid #e4ebe2;padding:8px;text-align:left;font-size:13px}.compare-table th{background:#eef7f1}.chat-box{margin-top:12px;display:grid;grid-gap:10px;gap:10px}.msg{border-radius:10px;padding:10px}.msg.user{background:#e9f6f0}.msg.assistant{background:#f3f1ea}.grid.ask{grid-template-columns:1fr auto;align-items:end}.pdf-upload{margin-top:10px;padding:12px;border:1px dashed #c7d6c7;border-radius:12px;background:#fbfdf8}.sub-tip{margin:8px 0 0;color:#475467;font-size:13px}@media (max-width:780px){.grid.ask,.grid.two{grid-template-columns:1fr}.tabs{overflow:auto}.hero h1{font-size:24px}}