:root{--bg: #f4f6fb;--surface: #ffffff;--ink: #16233a;--text: #33415c;--muted: #6b7a93;--rule: #e3e8f0;--brand: #2563eb;--brand-dark: #1d4ed8;--brand-soft: #eaf1ff;--success: #16a34a;--success-soft: #e7f6ee;--warning: #d97706;--warning-soft: #fdf3e2;--danger: #dc2626;--danger-soft: #fdecec;--violet: #7c3aed;--radius: 12px;--mono: "SFMono-Regular", Consolas, "Courier New", monospace;--shadow: 0 1px 2px rgba(22, 35, 58, .06)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:15px;line-height:1.7}.page{max-width:1120px;margin:0 auto;padding:24px 20px 64px}header.hero{background:linear-gradient(135deg,#1d4ed8,#2563eb 55%,#4f6ee8);color:#fff;border-radius:var(--radius);padding:34px 34px 30px;box-shadow:var(--shadow)}.hero .eyebrow{font-size:13px;letter-spacing:1px;opacity:.85;margin:0 0 8px}.hero h1{margin:0 0 10px;font-size:30px;line-height:1.25}.hero p.lead{margin:0 0 18px;max-width:860px;opacity:.96;font-size:15.5px}.innov{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}.innov .chip{background:#ffffff24;border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:5px 14px;font-size:12.5px}.hero .safety{margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.25);font-size:13px;opacity:.9}section.panel{background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow)}section.panel+section.panel{margin-top:20px}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}.panel-head h2{margin:0;font-size:18px}.panel-head .sub{color:var(--muted);font-size:13px}h3.block{font-size:15px;margin:0 0 10px}.upload-zone{border:2px dashed #b8c6e0;border-radius:var(--radius);background:#fafcff;padding:30px 20px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s}.upload-zone.drag{border-color:var(--brand);background:var(--brand-soft)}.upload-zone .big{font-size:16px;font-weight:600}.upload-zone .small{color:var(--muted);font-size:13px;margin-top:4px}.upload-row{display:flex;gap:12px;justify-content:center;align-items:center;margin-top:16px;flex-wrap:wrap}.file-name{font-size:13.5px;color:var(--text)}.btn{display:inline-flex;align-items:center;justify-content:center;text-align:center;gap:8px;border:none;cursor:pointer;border-radius:8px;padding:10px 18px;font-size:14px;font-weight:600;line-height:1;transition:background .15s,transform .05s}.btn:active{transform:translateY(1px)}.btn[disabled]{opacity:.55;cursor:not-allowed}.btn--primary{background:var(--brand);color:#fff}.btn--primary:hover{background:var(--brand-dark)}.btn--outline{background:#fff;color:var(--brand);border:1px solid #c3d0ea}.btn--outline:hover{background:var(--brand-soft)}.btn--download{background:var(--success);color:#fff}.btn--download:hover{background:#128a4b}.btn--block{width:100%}.hint{font-size:12.5px;color:var(--muted);margin-top:10px}.layout{display:grid;grid-template-columns:1fr 320px;gap:20px;align-items:start}.layout .col{display:grid;gap:20px}@media (max-width: 920px){.layout{grid-template-columns:1fr}}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stat{background:var(--bg);border:1px solid var(--rule);border-radius:10px;padding:10px 12px}.stat .v{font-size:20px;font-weight:700;color:var(--brand)}.stat .l{font-size:12px;color:var(--muted)}.trace{display:grid;gap:10px;position:relative}.timeline{position:relative;padding-left:26px}.timeline:before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--brand),var(--success));opacity:.25}.tnode{position:relative}.tnode:before{content:"";position:absolute;left:-24px;top:18px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--brand);box-sizing:border-box}.tnode--issue:before,.tnode--backtrack:before{border-color:var(--danger)}.tnode--resolve:before,.tnode--final:before{border-color:var(--success)}.tnode--revise:before{border-color:var(--warning)}.tnode--remain:before{border-color:var(--muted)}.stepcard{border:1px solid var(--rule);border-radius:10px;background:#fff;padding:12px 14px;font-size:13.5px;animation:fadein .3s ease}@keyframes fadein{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.stepcard .top{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:4px}.stepcard .top .k{font-weight:700;color:var(--ink)}.stepcard .top .t{color:var(--muted);font-size:12px}.stepcard .d{color:var(--text)}.stepcard .mono{font-family:var(--mono);font-size:12px;background:var(--bg);border-radius:6px;padding:8px 10px;margin-top:6px;overflow-x:auto;white-space:pre-wrap;word-break:break-word}.stepcard--plan{background:var(--brand-soft);border-color:#c9dcff}.stepcard--tool_call{border-left:3px solid var(--brand)}.stepcard--tool_result{border-left:3px solid #93c5fd}.stepcard--issue{border-left:3px solid var(--danger);background:var(--danger-soft)}.stepcard--backtrack{border-left:3px solid var(--danger)}.stepcard--revise{border-left:3px solid var(--warning);background:var(--warning-soft)}.stepcard--resolve{border-left:3px solid var(--success);background:var(--success-soft)}.stepcard--remain{border-left:3px solid var(--muted);background:#f6f7f9}.stepcard--final{border:1px solid var(--success);background:var(--success-soft)}.badge{display:inline-block;font-size:11.5px;font-weight:700;padding:2px 8px;border-radius:999px;line-height:1.5}.badge--ok{background:var(--success-soft);color:var(--success)}.badge--warn{background:var(--warning-soft);color:var(--warning)}.badge--err{background:var(--danger-soft);color:var(--danger)}.badge--info,.badge--dim{background:var(--brand-soft);color:var(--brand-dark)}.badge--layer{background:var(--violet-soft, #f0edfd);color:var(--violet)}.badge--structure{background:#fdebf7;color:#c0267e}.evidence{border:1px solid var(--rule);border-radius:10px;padding:10px 12px}.evidence+.evidence{margin-top:8px}.evidence .scope{font-size:11.5px;color:var(--muted);margin-bottom:3px}.evidence .txt{font-size:13px;color:var(--text)}.evidence .sc{font-size:12px;color:var(--success);font-weight:600}.corrs{display:grid;gap:8px}.corrrow{display:flex;gap:10px;align-items:center;font-size:13px;border:1px solid var(--rule);border-radius:8px;padding:8px 10px;background:#fff}.corrrow .arrow{color:var(--success);font-weight:700}.lspbox{background:#0f172a;color:#d8e3f2;font-family:var(--mono);font-size:12px;line-height:1.6;border-radius:10px;padding:14px;max-height:320px;overflow:auto;margin-top:12px;white-space:pre}.dlbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.foot{color:var(--muted);font-size:12.5px;margin-top:28px;text-align:center}.placeholder{border:1px dashed var(--rule);background:var(--bg);border-radius:10px;padding:26px;text-align:center;color:var(--muted);font-size:13.5px}