:root{--brand: #6366f1;--border: #e2e8f0;--text: #1a1a2e;--muted: #6b7280}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f4f5f7;color:var(--text)}.shell{max-width:1360px;margin:0 auto;padding:24px 16px}.topbar{display:flex;align-items:center;gap:12px;margin-bottom:16px}.logo{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px}.card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:0 1px 3px #0000000d}.tabs{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.tab{padding:8px 16px;border-radius:999px;border:1px solid var(--border);background:#fff;cursor:pointer;font-size:13px;color:var(--muted)}.tab.active{background:var(--brand);color:#fff;border-color:var(--brand)}.field{margin-bottom:14px}.label{font-size:12px;color:var(--muted);margin-bottom:6px}.input,.textarea,.select{width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:#f8fafc;font-size:14px}.textarea{resize:vertical;line-height:1.6;font-family:inherit}.btn{width:100%;padding:12px;border-radius:12px;border:none;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;font-weight:600;font-size:15px;cursor:pointer}.btn:disabled{opacity:.55;cursor:wait}.risk{padding:10px 14px;border-radius:10px;border:1px solid var(--border);margin-bottom:8px;font-size:13px}.risk.high{border-color:#fca5a5;background:#fef2f2}.risk.mid{border-color:#fcd34d;background:#fffbeb}.pre{white-space:pre-wrap;line-height:1.7;font-size:14px}.agent-layout{display:flex;gap:18px;align-items:flex-start}.agent-panel{width:400px;flex-shrink:0;position:sticky;top:16px;max-height:calc(100vh - 90px);display:flex;flex-direction:column}.work-panel{flex:1;min-width:0}.agent-chat{background:#fff;border:1px solid var(--border);border-radius:18px;display:flex;flex-direction:column;height:calc(100vh - 104px);overflow:hidden;box-shadow:0 2px 14px #0000000f}.agent-head{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}.agent-orb{width:38px;height:38px;position:relative;flex-shrink:0}.agent-orb:before{content:"";position:absolute;top:-4px;right:-4px;bottom:-4px;left:-4px;border-radius:50%;border:2px solid transparent;border-top-color:var(--brand);border-right-color:#8b5cf6;animation:orbSpin 1.6s linear infinite}.agent-orb:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;background:radial-gradient(circle at 35% 30%,#818cf8,#6366f1 60%,#4f46e5);animation:orbPulse 2.4s ease-in-out infinite}.agent-orb-core{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;font-weight:700;z-index:1}@keyframes orbSpin{to{transform:rotate(360deg)}}@keyframes orbPulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.06);opacity:.92}}.agent-msgs{flex:1;overflow-y:auto;padding:14px 14px 6px;display:flex;flex-direction:column;gap:10px;font-size:13.5px;line-height:1.65}.agent-msg{max-width:88%;padding:10px 13px;border-radius:14px;white-space:pre-wrap;word-break:break-word}.agent-msg.user{align-self:flex-end;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;border-bottom-right-radius:4px}.agent-msg.assistant{align-self:flex-start;background:#f1f2f7;border-bottom-left-radius:4px}.agent-msg .muted{color:var(--muted);font-size:12px}.agent-result{margin-top:8px;padding:10px;background:#fff;border:1px solid var(--border);border-radius:10px;font-size:12.5px;max-height:260px;overflow-y:auto}.agent-att{display:flex;align-items:center;gap:6px;font-size:12px;color:#6366f1;background:#eef2ff;border-radius:8px;padding:5px 9px;margin-bottom:8px}.agent-input{border-top:1px solid var(--border);padding:10px 12px 6px;display:flex;flex-direction:column;gap:8px;background:#fcfcfe}.agent-input-row{display:flex;gap:8px}.agent-input textarea{flex:1;resize:none;border:1px solid var(--border);border-radius:12px;padding:10px 12px;font-size:13.5px;font-family:inherit;line-height:1.5;background:#fff;box-shadow:inset 0 1px 2px #00000008}.agent-send{width:auto;padding:10px 18px;border-radius:12px}.agent-chips{display:flex;flex-wrap:wrap;gap:6px;padding:2px 12px 12px;background:#fcfcfe;border-radius:0 0 18px 18px}.chip{font-size:12px;padding:5px 10px;border-radius:999px;border:1px solid var(--border);background:#fff;cursor:pointer;color:var(--muted)}.chip:hover{border-color:var(--brand);color:var(--brand)}.agent-confirm{margin:6px 0;padding:9px 12px;background:#fffbeb;border:1px solid #fcd34d;border-radius:10px;font-size:13px}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}.tool-card{position:relative;background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px;cursor:pointer;min-height:228px;display:flex;flex-direction:column;transition:transform .12s ease,box-shadow .12s ease}.tool-card:hover{transform:translateY(-2px);box-shadow:0 10px 24px #6366f126;border-color:#a5b4fc}.tool-card .tc-icon{font-size:26px;display:inline-flex;width:48px;height:48px;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef2ff,#f5f3ff);border-radius:13px}.tool-card .tc-name{font-weight:700;margin-top:12px;font-size:15.5px}.tool-card .tc-desc{color:var(--muted);font-size:12.5px;margin-top:6px;line-height:1.6;flex:1}.tool-card .tc-go{margin-top:14px;font-size:12.5px;font-weight:600;color:#6366f1;display:flex;align-items:center;gap:5px;opacity:.75;transition:opacity .12s ease,gap .12s ease}.tool-card:hover .tc-go{opacity:1;gap:8px}.work-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}.work-head .back-btn{width:auto;padding:7px 14px;font-size:13px;border-radius:999px;background:#fff;color:var(--text);border:1px solid var(--border);cursor:pointer}.work-head .work-title{font-size:16px;font-weight:700}@media(max-width:900px){.agent-layout{flex-direction:column}.agent-panel{width:100%;position:static;max-height:70vh}.agent-chat{height:60vh}}