:root{--primary: #3370FF;--primary-light: #5b8cff;--primary-bg: #e8f0ff;--text-primary: #1f2329;--text-secondary: #646a73;--text-tertiary: #8f959e;--border: #dee0e3;--bg-white: #ffffff;--bg-gray: #f5f6f7;--shadow-sm: 0 1px 3px rgba(0,0,0,.06);--shadow-md: 0 2px 8px rgba(0,0,0,.08);--radius: 8px;--tab-height: 48px}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,sans-serif;font-size:14px;color:var(--text-primary);background:var(--bg-gray)}.app{display:flex;flex-direction:column;width:100%;height:100vh}.navbar{display:flex;align-items:center;height:var(--tab-height);background:var(--bg-white);border-bottom:1px solid var(--border);padding:0 16px;flex-shrink:0;position:relative}.navbar-logo{font-size:15px;font-weight:600;color:var(--text-primary);margin-right:24px;white-space:nowrap}.navbar-tabs{display:flex;align-items:center;height:100%;position:relative}.nav-tab{display:flex;align-items:center;height:100%;padding:0 16px;font-size:13px;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:color .2s ease;white-space:nowrap;-webkit-user-select:none;user-select:none}.nav-tab:hover{color:var(--text-primary)}.nav-tab.active{color:var(--primary);font-weight:600}.tab-indicator{position:absolute;bottom:0;height:3px;background:var(--primary);border-radius:3px 3px 0 0;transition:all .3s cubic-bezier(.4,0,.2,1)}.content{flex:1;overflow:hidden}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.faq-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px;margin-bottom:8px;box-shadow:var(--shadow-sm);transition:box-shadow .2s ease}.faq-card:hover{box-shadow:var(--shadow-md)}.faq-card-id{font-size:11px;color:var(--text-tertiary);margin-bottom:4px}.faq-card-question{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:6px}.faq-card-answer{font-size:13px;color:var(--text-secondary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.faq-card-tags{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}.faq-tag{font-size:11px;padding:2px 8px;border-radius:4px;background:var(--bg-gray);color:var(--text-secondary)}.faq-tag.category{background:var(--primary-bg);color:var(--primary)}.faq-tag.priority-high{background:#fff0f0;color:#e34d59}.faq-tag.priority-medium{background:#fff7e6;color:#d97706}.placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-tertiary);gap:12px}.placeholder-icon{font-size:48px;opacity:.4}.placeholder-text{font-size:15px;font-weight:500}.placeholder-hint{font-size:12px}.status-bar{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--primary-bg);border-radius:var(--radius);font-size:12px;color:var(--primary);margin-bottom:12px}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--primary);animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.tab-panel{width:100%;height:100%;overflow:auto;padding:16px;max-width:900px;margin:0 auto}.search-container{width:100%;height:100%;overflow-y:auto}.search-bar-wrapper{position:sticky;top:0;z-index:10;background:var(--bg-gray);padding:12px 16px 0;max-width:900px;margin:0 auto}.search-mode-tabs{display:flex;gap:4px;margin-bottom:8px}.mode-tab{padding:6px 14px;font-size:13px;font-weight:500;border:1px solid var(--border);border-radius:20px;background:var(--bg-white);color:var(--text-secondary);cursor:pointer;transition:all .2s ease}.mode-tab:hover{border-color:var(--primary-light);color:var(--primary)}.mode-tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}.search-input-row{display:flex;gap:8px;align-items:center}.search-input-wrapper{position:relative;flex:1}.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:15px;opacity:.5;pointer-events:none}.search-input{width:100%;padding:10px 36px 10px 38px;font-size:14px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-white);outline:none;transition:border-color .2s}.search-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #3370ff1f}.search-clear{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:none;font-size:14px;color:var(--text-tertiary);cursor:pointer;padding:4px}.suggestions-dropdown{position:absolute;top:100%;left:0;right:0;background:var(--bg-white);border:1px solid var(--border);border-radius:0 0 var(--radius) var(--radius);box-shadow:var(--shadow-md);max-height:240px;overflow-y:auto;z-index:20}.suggestion-item{display:flex;align-items:center;gap:8px;padding:10px 14px;cursor:pointer;transition:background .15s}.suggestion-item:hover{background:var(--bg-gray)}.suggestion-icon{font-size:13px;opacity:.6}.suggestion-text{font-size:13px;color:var(--text-primary)}.filter-btn{display:flex;align-items:center;gap:4px;padding:10px 14px;font-size:13px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-white);color:var(--text-secondary);cursor:pointer;white-space:nowrap;transition:all .2s}.filter-btn:hover{border-color:var(--primary-light)}.filter-btn.has-filters{border-color:var(--primary);color:var(--primary)}.filter-count{background:var(--primary);color:#fff;border-radius:10px;padding:1px 6px;font-size:11px;font-weight:600}.filter-panel{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;margin-top:8px;box-shadow:var(--shadow-sm)}.filter-row{display:flex;align-items:flex-start;padding:8px 0;border-bottom:1px solid #f0f0f0}.filter-row:last-of-type{border-bottom:none}.filter-label{width:70px;font-size:12px;font-weight:600;color:var(--text-secondary);flex-shrink:0;padding-top:4px}.filter-options{display:flex;flex-wrap:wrap;gap:6px}.filter-chip{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;font-size:12px;border-radius:16px;background:var(--bg-gray);color:var(--text-secondary);cursor:pointer;-webkit-user-select:none;user-select:none;transition:all .15s}.filter-chip:hover{background:#e8eaed}.filter-chip.checked{background:var(--primary-bg);color:var(--primary);font-weight:500}.chip-checkmark{display:inline-block;width:14px;font-size:11px;text-align:center}.filter-actions{display:flex;justify-content:flex-end;margin-top:8px}.filter-reset{padding:6px 14px;font-size:12px;border:none;border-radius:4px;background:transparent;color:var(--text-secondary);cursor:pointer}.filter-reset:hover{color:var(--text-primary);text-decoration:underline}.result-meta{padding:8px 16px;font-size:12px;color:var(--text-tertiary);max-width:900px;margin:0 auto}.results-list{padding:0 16px 24px;max-width:900px;margin:0 auto}.result-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;margin-bottom:10px;box-shadow:var(--shadow-sm);transition:box-shadow .2s}.result-card:hover{box-shadow:var(--shadow-md)}.result-card.semantic{border-left:3px solid var(--primary)}.result-header{display:flex;align-items:center;gap:6px;margin-bottom:8px;flex-wrap:wrap}.result-faq-id{font-size:11px;color:var(--text-tertiary)}.result-cat-badge{font-size:11px;padding:1px 8px;border-radius:4px;background:var(--primary-bg);color:var(--primary);font-weight:500}.result-pri{font-size:11px;padding:1px 6px;border-radius:4px}.result-pri.high{background:#fff0f0;color:#e34d59}.result-pri.medium{background:#fff7e6;color:#d97706}.result-pri.low{background:#f0f0f0;color:var(--text-tertiary)}.result-question{font-size:15px;font-weight:600;color:var(--text-primary);margin-bottom:6px;line-height:1.4}.result-question mark{background:#fff3cd;color:inherit;padding:0 2px;border-radius:2px}.result-answer{font-size:13px;color:var(--text-secondary);line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;cursor:pointer}.result-answer.expanded{-webkit-line-clamp:unset;cursor:default}.result-answer mark{background:#fff3cd;color:inherit;padding:0 2px;border-radius:2px}.expand-btn{background:none;border:none;font-size:12px;color:var(--primary);cursor:pointer;padding:4px 0;margin-top:2px}.match-score{font-size:11px;padding:2px 8px;border-radius:4px;font-weight:600;margin-left:auto}.matched-keywords{display:flex;align-items:center;flex-wrap:wrap;gap:4px;margin-top:8px;padding-top:6px;border-top:1px dashed #f0f0f0}.matched-label{font-size:11px;color:var(--text-tertiary)}.tag.matched{font-size:11px;padding:1px 6px;border-radius:3px;background:#e8f5e9;color:#2e7d32}.result-tags{display:flex;gap:4px;margin-top:8px;flex-wrap:wrap}.tag.capsule{font-size:11px;padding:2px 10px;border-radius:12px;background:var(--bg-gray);color:var(--text-secondary)}.tag.capsule.stage{background:#f0f4ff;color:#4a6cf7}.result-footer{display:flex;justify-content:space-between;align-items:center;margin-top:8px;padding-top:6px;border-top:1px solid #f5f5f5}.result-ref{font-size:11px;color:var(--text-tertiary)}.result-action{font-size:12px;color:var(--primary);cursor:pointer}.no-result{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;text-align:center}.no-result-icon{font-size:40px;opacity:.3;margin-bottom:12px}.no-result-text{font-size:15px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.no-result-hint{font-size:12px;color:var(--text-tertiary)}.retry-btn{margin-top:8px;padding:8px 20px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);font-size:13px;cursor:pointer;transition:background .2s}.retry-btn:hover{background:var(--primary-light)}.skeleton{background:linear-gradient(90deg,#f0f0f0 25%,#f5f5f5,#f0f0f0 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:4px}.skeleton-line{border-radius:4px}.skeleton-card{padding:14px;border-radius:var(--radius)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.graph-container{width:100%;height:100%;position:relative;display:flex;flex-direction:column}.graph-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-tertiary);gap:12px}.graph-toolbar{display:flex;align-items:center;gap:6px;padding:8px 12px;background:var(--bg-white);border-bottom:1px solid var(--border);flex-shrink:0;flex-wrap:wrap}.graph-tool-btn{padding:4px 10px;font-size:12px;border:1px solid var(--border);border-radius:4px;background:var(--bg-white);color:var(--text-secondary);cursor:pointer;transition:all .2s;white-space:nowrap}.graph-tool-btn:hover{border-color:var(--primary);color:var(--primary)}.graph-filter-divider{width:1px;height:20px;background:var(--border);margin:0 4px}.graph-filter-label{font-size:11px;color:var(--text-tertiary);white-space:nowrap}.graph-cat-chip{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;font-size:11px;border:1.5px solid;border-radius:12px;background:var(--bg-white);cursor:pointer;transition:all .2s;white-space:nowrap}.graph-cat-chip.hidden{opacity:.35;text-decoration:line-through}.cat-dot{display:inline-block;width:8px;height:8px;border-radius:50%}.graph-chart{flex:1;width:100%;min-height:400px}.faq-detail-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0000004d;z-index:1000;display:flex;justify-content:flex-end;animation:fadeIn .2s ease}.faq-detail-panel{width:420px;max-width:90vw;height:100%;background:var(--bg-white);box-shadow:-4px 0 24px #0000001f;padding:20px 24px;overflow-y:auto;display:flex;flex-direction:column}.detail-header{display:flex;align-items:center;gap:8px;margin-bottom:16px}.detail-faq-id{font-size:12px;color:var(--text-tertiary)}.detail-cat{font-size:11px;color:#fff;padding:2px 8px;border-radius:4px;font-weight:500}.detail-close{margin-left:auto;background:none;border:none;font-size:16px;color:var(--text-tertiary);cursor:pointer;padding:4px}.detail-close:hover{color:var(--text-primary)}.detail-question{font-size:16px;font-weight:600;color:var(--text-primary);line-height:1.5;margin-bottom:14px;word-break:break-word;overflow-wrap:break-word}.detail-answer{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:16px;word-break:break-word;overflow-wrap:break-word;white-space:pre-wrap}.detail-tags{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:16px}.detail-meta{display:flex;gap:16px;flex-wrap:wrap;padding-top:12px;border-top:1px solid #f0f0f0;font-size:12px;color:var(--text-tertiary)}.graph-filter-hint{font-size:11px;color:var(--text-tertiary);margin-left:8px;white-space:nowrap}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d0d3d6;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#b8bbc0}