:root{--bg:#F6F9FE;--card:#fff;--ink:#0f172a;--ink2:#64748b;--line:#e6ecf6;--indigo:#6366F1;--indigo-d:#4338CA;--indigo-soft:#EEF0FF;--teal:#14B8A6;--teal-soft:#e6faf7;--green:#16a34a;--green-soft:#e8f7ee;--amber:#d97706;--amber-soft:#fdf3e3;--red:#dc2626;--red-soft:#fdeaea;--blue:#2563eb;--blue-soft:#e8f0fe;--purple:#7c3aed;--purple-soft:#f1eafe;--r:14px;--shadow:0 1px 2px rgba(14,20,48,.05),0 26px 54px -28px rgba(67,56,202,.22);--mono:"SF Mono",Menlo,monospace}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.6}.app{display:flex;min-height:100vh}.side{width:216px;background:linear-gradient(180deg,#fff,#fbfcff);border-right:1px solid var(--line);padding:24px 14px;flex-shrink:0;position:sticky;top:0;height:100vh;display:flex;flex-direction:column}.logo{padding:0 10px 18px;border-bottom:1px solid var(--line);margin-bottom:14px}.logo b{font-size:21px;letter-spacing:.5px;background:linear-gradient(120deg,var(--indigo),var(--teal));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.logo span{display:block;font-size:11px;color:var(--ink2);margin-top:2px}.nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;color:var(--ink2);text-decoration:none;font-size:13.5px;border-radius:10px;cursor:pointer;margin-bottom:2px;font-weight:500}.nav a:hover{background:var(--indigo-soft);color:var(--indigo-d)}.nav a.on{background:var(--indigo);color:#fff;box-shadow:0 8px 18px -8px #6366f199}.nav .ic{width:20px;text-align:center}.side .ft{margin-top:auto;padding:12px 10px 0;border-top:1px solid var(--line);font-size:11.5px;color:var(--ink2)}.main{flex:1;padding:30px 36px;max-width:1120px}h1{font-size:22px;letter-spacing:-.3px}.sub{color:var(--ink2);font-size:13px;margin:4px 0 22px}h2{font-size:15.5px;margin:26px 0 12px;display:flex;align-items:center;gap:8px}.grid{display:grid;gap:14px}.g2{grid-template-columns:1fr 1fr}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;box-shadow:var(--shadow)}.tag{display:inline-block;font-size:11px;padding:1px 9px;border-radius:999px;line-height:18px;white-space:nowrap;font-weight:500}.t-red{background:var(--red-soft);color:var(--red)}.t-amber{background:var(--amber-soft);color:var(--amber)}.t-green{background:var(--green-soft);color:var(--green)}.t-blue{background:var(--blue-soft);color:var(--blue)}.t-purple{background:var(--purple-soft);color:var(--purple)}.t-teal{background:var(--teal-soft);color:#0f766e}.t-gray{background:#eef2f7;color:var(--ink2)}.t-indigo{background:var(--indigo-soft);color:var(--indigo-d)}.muted{color:var(--ink2);font-size:12.5px}.row{display:flex;align-items:center;gap:8px}.between{display:flex;justify-content:space-between;align-items:center}.btn{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 16px;font-size:13px;cursor:pointer;color:var(--ink);font-weight:500;transition:all .15s}.btn:hover{border-color:var(--indigo);color:var(--indigo-d)}.btn-p{background:var(--indigo);border-color:var(--indigo);color:#fff;box-shadow:0 8px 16px -8px #6366f1b3}.btn-p:hover{background:var(--indigo-d);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.chat-wrap{display:grid;grid-template-columns:236px 1fr;gap:16px;height:calc(100vh - 160px);min-height:520px}.sessions{display:flex;flex-direction:column;gap:4px;overflow-y:auto}.sess{padding:11px 13px;border-radius:10px;cursor:pointer;border:1px solid transparent;text-align:left;background:none;width:100%;font-family:inherit}.sess:hover{background:#f4f7fd}.sess.on{background:var(--indigo-soft);border-color:#dfe3ff}.sess .st{font-weight:600;font-size:13px;display:flex;align-items:center;gap:6px}.sess .sp{font-size:11.5px;color:var(--ink2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}.new-sess{border:1.5px dashed #c7d2fe;color:var(--indigo-d);border-radius:10px;padding:10px;text-align:center;font-size:13px;cursor:pointer;font-weight:500;margin-bottom:10px;background:none;width:100%;font-family:inherit}.new-sess:hover{background:var(--indigo-soft)}.chat-panel{display:flex;flex-direction:column;padding:0;overflow:hidden}.chat-hd{padding:13px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px;background:linear-gradient(180deg,#fff,#fbfcff)}.chat-bd{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:14px;background:var(--bg)}.msg{display:flex;gap:10px;max-width:86%}.msg .body{background:#fff;border:1px solid var(--line);border-radius:4px 14px 14px;padding:11px 14px}.msg.me{align-self:flex-end;flex-direction:row-reverse}.msg.me .body{background:var(--indigo);color:#fff;border-color:var(--indigo);border-radius:14px 4px 14px 14px}.msg.bot{align-self:flex-start}.msg .who{font-size:11px;color:var(--ink2);margin-bottom:4px}.avatar{width:30px;height:30px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:11px;color:#fff;flex-shrink:0;font-weight:600}.av-me{background:var(--blue)}.av-wife{background:#ec4899}.av-bot{background:linear-gradient(135deg,var(--indigo),var(--teal))}.confirm-card{border:1.5px solid var(--indigo);border-radius:12px;background:#fff;padding:14px 16px;margin-top:10px;min-width:420px}.chat-input{border-top:1px solid var(--line);padding:12px 14px;display:flex;gap:10px;align-items:flex-end;background:#fff}.chat-input textarea{flex:1;border:1px solid var(--line);border-radius:12px;padding:10px 13px;font-size:13.5px;font-family:inherit;resize:none;min-height:42px;background:#fbfcff}.chat-input textarea:focus{outline:none;border-color:var(--indigo)}.board{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;align-items:start}.col-h{font-size:13px;font-weight:600;padding:8px 4px;display:flex;justify-content:space-between;color:var(--ink2)}.tcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:10px;cursor:pointer;box-shadow:0 1px 2px #0e14300a}.tcard:hover{border-color:var(--indigo);box-shadow:0 12px 24px -14px #4338ca4d}.tcard .ti{font-weight:600;margin:6px 0 4px;font-size:13.5px}.prog{height:5px;background:#eef2f7;border-radius:3px;margin:8px 0 4px;overflow:hidden}.prog i{display:block;height:100%;background:linear-gradient(90deg,var(--indigo),var(--teal));border-radius:3px}.steps{margin:8px 0 0;padding-left:2px;list-style:none}.steps li{font-size:12.5px;color:var(--ink2);padding:2px 0;cursor:pointer}.steps li.done{color:#a5b0c0;text-decoration:line-through}.steps li b{color:var(--ink);font-weight:500}.linkchip{display:inline-flex;align-items:center;gap:5px;background:var(--indigo-soft);color:var(--indigo-d);border-radius:999px;padding:3px 11px;font-size:11.5px;margin:3px 6px 0 0;font-weight:500}.filechip{display:inline-flex;align-items:center;gap:5px;background:#f6f8fc;border:1px solid var(--line);border-radius:999px;padding:3px 11px;font-size:11.5px;margin:3px 6px 0 0;color:var(--ink2)}.node{border:1px solid var(--line);border-radius:var(--r);background:#fff;margin-bottom:12px;overflow:hidden;box-shadow:0 1px 2px #0e14300a}.node-h{display:flex;align-items:center;gap:10px;padding:13px 16px;cursor:pointer;-webkit-user-select:none;user-select:none}.node-h:hover{background:#fafbff}.node-h .no{width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,var(--indigo),var(--indigo-d));color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-weight:600}.node-b{display:none;border-top:1px solid var(--line);padding:14px 16px;background:#fafbff}.node.open .node-b{display:block}.node.open .arrow{transform:rotate(90deg)}.arrow{margin-left:auto;color:#94a3b8;transition:transform .15s}pre{background:#0f172a;color:#dbe4f0;border-radius:10px;padding:12px 14px;font-size:12px;line-height:1.6;overflow:auto;font-family:var(--mono);white-space:pre-wrap;word-break:break-word}.lbl{font-size:11px;color:var(--ink2);letter-spacing:1.5px;margin:12px 0 5px;font-weight:600}.lbl:first-child{margin-top:0}.bar{height:8px;background:#eef2f7;border-radius:999px;overflow:hidden;min-width:90px}.bar i{display:block;height:100%;border-radius:999px}table{width:100%;border-collapse:collapse;font-size:13px}th{text-align:left;color:var(--ink2);font-weight:500;font-size:12px;padding:8px 10px;border-bottom:1px solid var(--line)}td{padding:9px 10px;border-bottom:1px solid #f0f4fa;vertical-align:middle}.diff-down{color:var(--red)}.diff-up{color:var(--green)}.merge{background:var(--amber-soft);border-radius:10px;padding:9px 13px;font-size:12.5px;color:var(--amber);margin:6px 0}.tl{position:relative;padding-left:22px}.tl:before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:#dfe6f3}.tl-item{position:relative;margin-bottom:16px}.tl-item:before{content:"";position:absolute;left:-20px;top:22px;width:10px;height:10px;border-radius:50%;background:var(--indigo);border:2px solid #fff;box-shadow:0 0 0 2px #dfe6f3}.risk-card{border-left:4px solid var(--red)}.brief{border-left:4px solid var(--indigo)}.feishu{background:#f2f7ff;border:1px solid #d9e7fb;border-radius:12px;padding:14px 16px;max-width:580px}.feishu .fh{display:flex;gap:8px;align-items:center;color:var(--blue);font-size:12.5px;margin-bottom:8px;font-weight:600}.brief h3{font-size:14px;margin:10px 0 6px}.brief ul{padding-left:18px}.brief li{margin:3px 0}.toast{position:fixed;bottom:26px;left:50%;transform:translate(-50%);background:#0f172a;color:#fff;padding:9px 20px;border-radius:999px;font-size:13px;opacity:0;transition:opacity .25s;pointer-events:none;z-index:9}.toast.show{opacity:1}.empty{padding:40px;text-align:center;color:var(--ink2)}.spin{display:inline-block;width:14px;height:14px;border:2px solid #c7d2fe;border-top-color:var(--indigo);border-radius:50%;animation:sp .7s linear infinite}@keyframes sp{to{transform:rotate(360deg)}}