:root{--blue:#0ea5e9;--blue-dark:#0284c7;--bg:#f5f7fa;--line:#e2e8f0;--text:#1a202c;--muted:#718096;--white:#fff}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:system-ui,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px}a{color:inherit;text-decoration:none}.topbar{background:var(--white);border-bottom:1px solid var(--line);z-index:10;justify-content:space-between;align-items:center;height:56px;padding:0 16px;display:flex;position:sticky;top:0}.brand{color:var(--blue);flex-shrink:0;align-items:center;gap:8px;font-size:18px;font-weight:700;display:flex}.brand .logo{object-fit:contain;flex-shrink:0;width:28px;height:28px}.nav{white-space:nowrap;scrollbar-width:thin;flex:1;gap:18px;margin:0 16px;display:flex;overflow-x:auto}.nav-group{border-radius:999px;flex-shrink:0;align-items:center;gap:14px;padding:4px 14px;display:inline-flex}.nav-tone-gray{background:#ccfbf1}.nav-tone-blue{background:#dbeafe}.nav-tone-teal{background:#eceff3}.nav-link{color:#4a5568;cursor:pointer;border-bottom:2px solid #0000;padding:4px 0;font-size:14px}.nav-link:hover{color:var(--blue)}.nav-link.disabled{color:#a0aec0;cursor:not-allowed}.avatar{color:#fff;background:#cbd5e0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:13px;display:flex}.page{max-width:1180px;margin:24px auto;padding:0 16px}.note{color:#8a6d1a;background:#fff8e6;border:1px solid #f0e0a0;border-radius:8px;margin-bottom:20px;padding:12px 16px;font-size:13px;line-height:1.6}.card{background:var(--white);border:1px solid var(--line);border-radius:10px;margin-bottom:20px;padding:20px;box-shadow:0 1px 3px #0000000a}.card h3{align-items:center;gap:8px;margin-bottom:14px;font-size:15px;display:flex}.card h3 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.item:hover{background:#f0f9ff}.tree .item.active{background:var(--blue);color:#fff}.filters{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px;display:flex}.filters select{width:auto;padding:8px 10px;font-size:13px}.type-cards{flex-wrap:wrap;gap:12px;margin-bottom:14px;display:flex}.type-card{border:1.5px solid var(--line);cursor:pointer;background:#fff;border-radius:10px;flex:1;min-width:180px;padding:14px 16px;transition:border-color .15s,box-shadow .15s,background .15s}.type-card:hover{border-color:var(--blue)}.type-card.active{border-color:var(--blue);background:#f0f9ff;box-shadow:0 0 0 3px #0ea5e91f}.type-card .tc-title{color:#2d3748;align-items:center;gap:8px;margin-bottom:4px;font-size:15px;font-weight:600;display:flex}.type-card .tc-icon{color:#718096;align-items:center;transition:color .15s;display:inline-flex}.type-card.active .tc-icon,.type-card.active .tc-title{color:var(--blue)}.type-card 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(max-width:960px){.cls-layout{grid-template-columns:1fr}}.cls-hint{border:1px dashed var(--line);text-align:center;color:#a0aec0;background:#fafcff;border-radius:10px;padding:40px 24px;font-size:14px;line-height:2}.cls-hint .cls-hint-title{color:#4a5568;margin-bottom:8px;font-size:16px;font-weight:600}.searchbar{gap:8px;margin-bottom:14px;display:flex}.searchbar input{flex:1}.result-item{border:1px solid var(--line);cursor:pointer;background:var(--white);border-radius:8px;margin-bottom:10px;padding:14px 16px}.result-item:hover{border-color:var(--blue)}.result-item .t{margin-bottom:6px;font-weight:600}.result-item .meta{color:var(--muted);flex-wrap:wrap;gap:12px;font-size:12px;display:flex}.detail{border-left:3px solid var(--blue);background:#fbfdfd;border-radius:0 8px 8px 0;margin-bottom:10px;padding:16px;font-size:13px;line-height:1.8}.ai-box{background:#f0f9ff;border:1px solid #bae6fd;border-radius:10px;margin-top:16px;padding:16px}.ai-box .q{color:#4a5568;background:#fff;border:1px solid #cbd5e0;border-radius:6px;margin-bottom:10px;padding:10px 12px;font-size:13px}.ai-box .a{font-size:13px;line-height:1.7}.ai-box .a cite{color:var(--blue);font-style:normal;font-weight:600}.hidden{display:none}.flow-band{flex-wrap:wrap;align-items:stretch;gap:6px;display:flex}.flow-wrap{align-items:stretch;display:inline-flex}.flow-arrow{color:#a0aec0;flex-shrink:0;align-items:center;padding:0 4px;font-size:16px;display:inline-flex}.flow-step{border:1.5px solid var(--line);cursor:pointer;background:#fff;border-radius:10px;flex:1 0 168px;align-items:flex-start;gap:10px;min-width:168px;max-width:210px;padding:12px 14px;transition:border-color .15s,box-shadow .15s;display:flex}.flow-step:hover{border-color:var(--blue);box-shadow:0 2px 8px #0000000f}.flow-no{background:var(--blue);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;margin-top:1px;font-size:13px;font-weight:700;display:inline-flex}.flow-body{flex-direction:column;gap:3px;display:flex}.flow-name{color:#2d3748;font-size:14px;font-weight:600}.flow-desc{color:var(--muted);font-size:11px;line-height:1.5}.dash-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;display:grid}.dash-card{background:var(--white);border:1px solid var(--line);cursor:pointer;border-radius:10px;padding:20px}.dash-card:hover{border-color:var(--blue);box-shadow:0 2px 8px #0000000f}.dash-card .icon{width:40px;height:40px;color:var(--blue);background:#e0f2fe;border-radius:10px;justify-content:center;align-items:center;margin-bottom:12px;font-size:20px;display:flex}.dash-card .t{margin-bottom:6px;font-weight:600}.dash-card .d{color:var(--muted);font-size:12px;line-height:1.6}