:root{--brand-600: #2563eb;--brand-700: #1d4ed8;--brand-50: #eff6ff;--teal-600: #0e9f8a;--ink-900: #0f172a;--ink-700: #334155;--ink-500: #64748b;--line: #e2e8f0;--surface: #f6f8fb}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;font-family:PingFang SC,Microsoft YaHei,HarmonyOS Sans SC,Segoe UI,sans-serif}body{background:var(--surface);color:var(--ink-900)}.mdi-window{position:absolute;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 32px #0f172a29;overflow:hidden}.mdi-titlebar{display:flex;align-items:center;justify-content:space-between;padding:6px 12px;background:linear-gradient(90deg,#eef4ff,#f6fbfa);border-bottom:1px solid var(--line);cursor:move;-webkit-user-select:none;user-select:none;font-size:13px;font-weight:600;color:var(--ink-700)}.mdi-body{flex:1;overflow:auto;padding:10px}.mdi-resize-handle{position:absolute;right:0;bottom:0;width:14px;height:14px;cursor:nwse-resize}.voucher-grid td,.voucher-grid th{border:1px solid var(--line);padding:2px 6px;font-size:13px}.voucher-grid th{background:#f1f5f9;color:var(--ink-700)}.voucher-grid{border-collapse:collapse;width:100%}.voucher-grid input{width:100%;border:none;outline:none;background:transparent;font-size:13px}.amount-cell{text-align:right;font-family:JetBrains Mono,Consolas,monospace}.fam-menu-drop{display:none;position:absolute;top:100%;left:0;min-width:150px;background:#fff;color:var(--ink-700);border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 24px #0f172a24;z-index:1000;flex-direction:column;padding:4px;overflow:hidden}.fam-menu:hover .fam-menu-drop{display:flex}.fam-menu-item{padding:6px 12px;cursor:pointer;white-space:nowrap;border-radius:6px}.fam-menu-item:hover{background:var(--brand-50);color:var(--brand-700)}.fam-nav{background:linear-gradient(180deg,#fbfcfe,#f4f7fb);border-right:1px solid var(--line);padding:10px 8px;display:flex;flex-direction:column;gap:10px;overflow-y:auto}.fam-nav-group{background:#fff;border:1px solid var(--line);border-radius:10px;padding:6px;box-shadow:0 1px 2px #0f172a0a}.fam-nav-group-title{font-size:12px;font-weight:700;color:var(--brand-700);padding:3px 6px 6px;display:flex;align-items:center;gap:6px;white-space:nowrap;overflow:hidden}.fam-nav-group-icon{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:6px;background:var(--brand-50);flex-shrink:0}.fam-nav-item{font-size:12px;padding:4px 8px;cursor:pointer;border-radius:6px;color:var(--ink-700);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:background .15s ease,color .15s ease}.fam-nav-item:hover{background:var(--brand-50);color:var(--brand-700)}.col-resize-handle{width:5px;flex-shrink:0;cursor:col-resize;background:transparent;border-left:1px solid var(--line);transition:background .15s ease}.col-resize-handle:hover{background:#bfdbfe}.row-resize-handle{height:7px;cursor:ns-resize;background:#eef2f7;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none;transition:background .15s ease}.row-resize-handle:hover{background:#bfdbfe}.row-resize-handle span{width:36px;height:3px;border-radius:2px;background:#94a3b8}.exam-tree-item{padding:5px 10px;cursor:pointer;font-size:13px;border-radius:7px;color:var(--ink-700);margin:1px 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:background .15s ease,color .15s ease}.exam-tree-item:hover{background:var(--brand-50);color:var(--brand-700)}.exam-tree-section{font-weight:700;font-size:12px;color:var(--ink-500);margin:10px 4px 3px;padding-left:8px;border-left:3px solid var(--brand-600);line-height:1.4}.exam-question-tree .active{background:var(--brand-600);color:#fff}.exam-question-tree .active:hover{background:var(--brand-700);color:#fff}.flow-node{border:1px solid var(--brand-600);border-radius:8px;padding:10px 16px;background:var(--brand-50);cursor:pointer;font-size:13px;text-align:center;min-width:110px}.flow-node:hover{background:#dbeafe}.question-html img{max-width:100%}.login-side{display:flex}@media (max-width: 900px){.login-side{display:none}}.invoice-sheet{border:1.5px solid #b4544c;color:#1f2937;font-size:12px;background:#fffdf8;padding:12px 14px}.invoice-sheet table{border-collapse:collapse;width:100%}.invoice-sheet th,.invoice-sheet td{border:1px solid #cf8e88;padding:3px 6px;font-size:12px}.invoice-sheet th{color:#a03028;font-weight:600;background:#fdf6f5}.invoice-title{text-align:center;color:#a03028;font-size:20px;letter-spacing:6px;font-weight:700;border-bottom:3px double #a03028;display:inline-block;padding-bottom:2px}