@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--bg: #f4f6f9;--surface: #ffffff;--surface-2: #f8fafc;--surface-3: #f1f5f9;--line: #e2e8f0;--line-strong: #cbd5e1;--text: #0f172a;--text-2: #334155;--sub: #64748b;--sub-2: #94a3b8;--primary: #4f46e5;--primary-hover: #4338ca;--primary-light: #e0e7ff;--primary-muted: #eef2ff;--ok: #16a34a;--ok-bg: #f0fdf4;--ok-border: #86efac;--warn: #d97706;--warn-bg: #fffbeb;--warn-border: #fcd34d;--danger: #dc2626;--danger-bg: #fef2f2;--bubble-user-bg: var(--primary-light);--bubble-user-border: var(--primary-light);--bubble-user-text: var(--primary);--bubble-ai-bg: var(--surface);--bubble-ai-border: var(--line);--nav-h: 64px;--sidebar-w: 280px;--r-sm: 8px;--r-md: 12px;--r-lg: 16px;--r-xl: 20px;--shadow-sm: 0 1px 3px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);--shadow-md: 0 4px 12px rgba(15, 23, 42, .08), 0 2px 4px rgba(15, 23, 42, .04);--shadow-lg: 0 10px 30px rgba(15, 23, 42, .1), 0 4px 8px 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a,.nav-link{border:none;background:transparent;color:var(--sub);padding:7px 12px;border-radius:var(--r-sm);cursor:pointer;font-size:14px;font-weight:500;transition:all .15s ease;white-space:nowrap}.banner-nav a:hover,.nav-link:hover{color:var(--text);background:var(--surface-3)}.banner-nav a.active,.nav-link.active{color:var(--primary);background:var(--primary-muted);font-weight:600}.user-menu{display:flex;align-items:center;gap:8px;padding:5px 10px;border-radius:var(--r-sm);cursor:pointer;transition:background .15s}.user-menu:hover{background:var(--surface-3)}.username{font-size:14px;color:var(--text);font-weight:500;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.theme-btn{color:var(--sub)!important;transition:background .15s,color .15s!important}.theme-btn:hover{color:var(--text)!important;background:var(--surface-3)!important}.btn-login{background:var(--primary);color:#fff;border:none;border-radius:var(--r-sm);padding:7px 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6px;background:var(--ok);color:#fff;border-radius:99px;flex-shrink:0}.tree-action-btn{font-size:11px;padding:2px 8px;border:1px solid var(--line);background:var(--surface);color:var(--sub);border-radius:4px;cursor:pointer;transition:all .15s;white-space:nowrap}.tree-action-btn:hover{border-color:var(--primary-light);color:var(--primary);background:var(--primary-muted)}.chat-candidates-panel-wrapper{display:flex;position:relative;height:100%;background:var(--surface-2);border-left:1px solid var(--line);overflow:hidden;min-height:0}.panel-resize-handle{position:absolute;left:0;top:0;width:4px;height:100%;cursor:ew-resize;background:transparent;z-index:10;transition:background .15s}.panel-resize-handle:hover{background:var(--primary-light)}.panel-resize-handle:active{background:var(--primary)}.chat-candidates-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--sub-2);font-size:13px;gap:8px;padding:24px;text-align:center}.chat-row.selected .chat-bubble{outline:2px solid var(--primary-light);outline-offset:2px}.chat-content{display:flex;flex-direction:column;height:100%;overflow:hidden;background:var(--surface)}.chat-stream{flex:1;overflow-y:auto;padding:24px 24px 8px;display:flex;flex-direction:column}.chat-empty{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:48px 24px;max-width:720px;margin:0 auto;width:100%}.chat-empty-title{font-size:32px;font-weight:700;color:var(--text);line-height:1.2;margin:0 0 4px}.chat-empty-subtitle{font-size:28px;font-weight:600;color:var(--sub-2);margin:0 0 32px}.suggest-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;width:100%}.suggest-chip{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-md);padding:12px 14px;font-size:13px;font-weight:500;color:var(--text-2);cursor:pointer;text-align:left;transition:all 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solid var(--line);background:var(--surface-2);border-radius:var(--r-sm);padding:10px 12px;font-size:13px;cursor:pointer;transition:border-color .15s,background .15s}.candidate-item:hover{border-color:var(--primary-light);background:var(--primary-muted)}.candidate-item small{color:var(--sub)}.bubble-toolbar{position:absolute;bottom:-28px;display:flex;align-items:center;gap:2px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);padding:3px 4px;box-shadow:var(--shadow-md);z-index:10;animation:toolbar-in .12s ease}@keyframes toolbar-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.bubble-toolbar.assistant{left:42px}.bubble-toolbar.user{right:42px}.bubble-toolbar button{border:none;background:transparent;width:26px;height:26px;border-radius:5px;cursor:pointer;color:var(--sub);font-size:13px;transition:background .15s,color .15s;display:grid;place-items:center}.bubble-toolbar button:hover{background:var(--surface-3);color:var(--text)}.chat-compose-wrap{padding:12px 20px 18px;border-top:1px solid var(--line);background:var(--surface);flex-shrink:0}.chat-compose-inner{max-width:720px;margin:0 auto}.chat-compose{display:flex;gap:8px;align-items:flex-end;background:var(--surface-2);border:1.5px solid var(--line);border-radius:var(--r-xl);padding:10px 12px;transition:border-color .2s,box-shadow .2s}.chat-compose:focus-within{border-color:var(--primary);box-shadow:var(--shadow-glow)}.chat-textarea{flex:1;resize:none;border:none;outline:none;background:transparent;min-height:48px;max-height:180px;font-size:15px;line-height:1.5;padding:4px 0;color:var(--text)}.chat-textarea::placeholder{color:var(--sub-2)}.send-btn{width:38px;height:38px;border:none;border-radius:999px;background:var(--primary);color:#fff;cursor:pointer;display:grid;place-items:center;font-size:16px;flex-shrink:0;transition:background .2s,transform .1s}.send-btn:hover{background:var(--primary-hover)}.send-btn:active{transform:scale(.94)}.send-btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.stop-btn{background:var(--danger-bg);color:var(--danger);border:1px solid rgba(220,38,38,.15)}.stop-btn:hover{background:#dc26261a}.chat-hint{text-align:center;margin-top:8px;font-size:12px;color:var(--sub-2)}.hs-page{padding:24px;max-width:1400px;margin:0 auto}.page-header{margin-bottom:20px}.page-header h2{margin:0 0 4px;font-size:22px;font-weight:600;color:var(--text)}.page-header p{margin:0;font-size:14px;color:var(--sub)}.search-bar{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:14px 18px;margin-bottom:16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;box-shadow:var(--shadow-sm)}.results-table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-sm)}.results-empty{padding:60px 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th{font-size:12px;font-weight:600;color:var(--sub);text-transform:uppercase;letter-spacing:.05em;background:var(--surface-2)}.hs-table tr:last-child td{border-bottom:none}.hs-table tr:hover td{background:var(--surface-2)}.status-chip{display:inline-flex;align-items:center;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:500;border:1px solid}.status-chip.valid{color:var(--ok);border-color:var(--ok-border);background:var(--ok-bg)}.status-chip.expired{color:var(--warn);border-color:var(--warn-border);background:var(--warn-bg)}.btn{border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);padding:7px 14px;cursor:pointer;font-size:14px;font-weight:500;color:var(--text-2);transition:background .15s,border-color .15s}.btn:hover{background:var(--surface-3);border-color:var(--line-strong)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-solid{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-solid:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.page-breadcrumb{padding:12px 24px;background:var(--surface);border-bottom:1px solid var(--line)}.tree-node-title{display:flex;align-items:center}.node-code{font-weight:600;margin-right:8px;font-family:SF Mono,Menlo,Consolas,monospace;font-size:13px;color:var(--text)}.node-name{color:var(--sub);font-size:14px}.child-count-tag{background:var(--warn-bg)!important;color:var(--warn)!important;border:none!important;margin-left:8px}.notes-tag{background:var(--warn-bg)!important;color:var(--warn)!important;border:1px solid var(--warn-border)!important;cursor:pointer!important;margin-left:4px}.notes-tag:hover{background:var(--warn)!important;color:#fff!important}.detail-layout{display:grid;grid-template-columns:1fr 220px;gap:14px;align-items:start}.detail-anchor{position:sticky;top:16px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);padding:10px;display:grid;gap:4px;box-shadow:var(--shadow-sm)}.detail-anchor-title{font-size:11px;color:var(--sub);text-transform:uppercase;letter-spacing:.08em;padding:4px 6px;font-weight:600}.anchor-link{border:none;background:transparent;text-align:left;cursor:pointer;display:block;padding:6px 8px;border-radius:var(--r-sm);color:var(--text-2);font-size:13px;transition:background .12s,color .12s}.anchor-link:hover{background:var(--surface-3);color:var(--text)}.anchor-link.active{background:var(--primary-muted);color:var(--primary);font-weight:600}.form-rows{display:grid}.form-row{display:grid;grid-template-columns:200px 1fr;gap:12px;padding:10px 4px;border-bottom:1px dashed var(--line)}.form-row:last-child{border-bottom:none}.form-row label{color:var(--sub);font-size:13px}.form-row span{font-size:14px;word-break:break-word}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#02061773;display:grid;place-items:center;z-index:200;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal-card{width:min(480px,92vw);border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);padding:24px;box-shadow:var(--shadow-lg);display:grid;gap:14px}@media (max-width: 1024px){.chat-sidebar,.chat-candidates-panel,.chat-candidates-panel-collapsed{display:none}.chat-layout,.detail-layout{grid-template-columns:1fr}.detail-anchor{display:none}.form-row{grid-template-columns:1fr;gap:4px;padding:8px 2px}}@media (max-width: 768px){:root{--nav-h: 56px}.desktop-only{display:none!important}.mobile-only{display:block!important}.mobile-menu-btn{display:flex!important}.global-banner{padding:0 16px}.home-wrap{padding:0 16px 40px}.home-logo-img{width:52px;height:52px}.home-search-box{padding:6px 6px 6px 12px}.home-search-input input{font-size:15px!important}.home-search-btn{height:36px!important;padding:0 16px!important}.hs-page,.product-page{padding:14px}.product-hero{padding:18px}.product-hero-name{font-size:18px}.chat-empty-title{font-size:24px}.chat-empty-subtitle{font-size:20px}.suggest-grid{grid-template-columns:1fr}.chat-compose-wrap{padding:10px 14px 16px}.app-shell{grid-template-rows:var(--nav-h) 1fr}}.mobile-only{display:none}.product-page-modern{max-width:1000px;margin:0 auto;padding:24px;min-height:calc(100vh - 64px)}.product-breadcrumb{margin-bottom:20px;font-size:13px}.product-hero-modern{background:linear-gradient(135deg,#fff,#f8fafc);border:1px solid #e5e7eb;border-radius:12px;padding:24px;margin-bottom:24px;box-shadow:0 1px 3px #0000000d}.product-hero-main{margin-bottom:16px}.product-hero-title{margin:0 0 8px;font-size:24px;font-weight:600;color:#111827;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.product-hero-code{font-family:JetBrains Mono,SF Mono,monospace;color:var(--primary);font-weight:700;font-size:22px}.product-hero-name{color:#374151;font-weight:500}.product-hero-desc{margin:0;color:#6b7280;font-size:14px;line-height:1.6}.product-hero-meta{display:flex;gap:8px;flex-wrap:wrap}.product-tabs{background:#fff;border-radius:12px;border:1px solid #e5e7eb;overflow:hidden}.product-tabs .ant-tabs-nav{margin:0;padding:0 16px;background:#f9fafb;border-bottom:1px solid #e5e7eb}.product-tabs .ant-tabs-tab{padding:12px 16px;font-size:14px;font-weight:500;color:#6b7280;transition:all .2s}.product-tabs .ant-tabs-tab:hover{color:var(--primary)}.product-tabs .ant-tabs-tab-active{color:var(--primary)!important;background:#fff;border-bottom:2px solid var(--primary)}.product-tab-content{padding:24px;min-height:300px}.tax-rate-card{background:linear-gradient(135deg,#f0f9ff,#e0f2fe);border-radius:10px;text-align:center;transition:transform .2s,box-shadow .2s}.tax-rate-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0f4c811a}.tax-rate-card .ant-card-body{padding:16px}.tax-rate-label{font-size:12px;color:#6b7280;margin-bottom:8px;font-weight:500}.tax-rate-value{font-size:24px;font-weight:700;color:var(--primary);font-family:JetBrains Mono,monospace}.declaration-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.declaration-item{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;padding:12px 16px;transition:all .15s}.declaration-item:hover{border-color:var(--primary-light);background:#f0f7ff}.declaration-key{font-size:12px;font-weight:600;color:var(--primary);margin-bottom:4px;text-transform:uppercase;letter-spacing:.05em}.declaration-value{font-size:14px;color:#374151;line-height:1.5}.affiliation-steps .ant-steps-item-title{font-size:14px!important}.affiliation-steps .ant-steps-item-description{font-size:13px;color:#6b7280}@media (max-width: 768px){.product-page-modern,.product-hero-modern{padding:16px}.product-hero-title{font-size:18px;flex-direction:column;align-items:flex-start;gap:4px}.product-hero-code{font-size:20px}.product-tab-content{padding:16px}.declaration-grid{grid-template-columns:1fr}.tax-rate-card .ant-card-body{padding:12px}.tax-rate-value{font-size:20px}}