*{box-sizing:border-box;margin:0;padding:0}body{color:#333;background:#f0f2f5;font-family:Microsoft YaHei,PingFang SC,SimSun,sans-serif;line-height:1.5}#root{min-height:100vh}input,select,textarea,button{font-family:inherit;font-size:13px}input,select,textarea{background:#fff;border:1px solid #d9d9d9;border-radius:4px;width:100%;padding:6px 8px}input:focus,select:focus,textarea:focus{border-color:#1677ff;outline:none;box-shadow:0 0 0 2px #1677ff1a}textarea{resize:vertical}button{cursor:pointer;border:none;border-radius:4px;padding:8px 16px;transition:background .2s}button:disabled{opacity:.6;cursor:not-allowed}.app{flex-direction:row;min-height:100vh;display:flex}.app-content{flex-direction:column;flex:1;min-width:0;display:flex}.sidebar{background:#001529;flex-direction:column;width:200px;min-width:200px;height:100vh;display:flex;position:sticky;top:0}.sidebar-brand{border-bottom:1px solid #ffffff14;padding:20px 16px}.sidebar-brand h1{color:#fff;font-size:15px;font-weight:600;line-height:1.4}.sidebar-nav{flex-direction:column;flex:1;gap:4px;padding:12px 8px;display:flex}.nav-item{color:#ffffffa6;text-align:left;background:0 0;border:none;border-radius:6px;align-items:center;gap:10px;width:100%;padding:12px 16px;font-size:14px;transition:background .15s,color .15s;display:flex}.nav-item:hover{color:#fff;background:#ffffff14}.nav-item.active{color:#fff;background:#1677ff}.nav-icon{text-align:center;width:20px;font-size:16px}.sidebar-footer{color:#ffffff59;text-align:center;border-top:1px solid #ffffff14;padding:12px 16px;font-size:11px}.status-unsaved{color:#fa8c16}.status-saved{color:#52c41a}.status-saving{color:#1677ff}.btn-save{color:#1677ff;background:#fff;border:1px solid #1677ff;padding:8px 20px;font-weight:500}.btn-save:hover:not(:disabled){background:#e6f4ff}.btn-save:disabled{opacity:.45}.btn-back{color:#666;white-space:nowrap;background:0 0;margin-right:16px;padding:4px 0;font-size:13px}.btn-back:hover{color:#1677ff}.header-left{align-items:center;display:flex}.error-banner{color:#cf1322;background:#fff2f0;border-bottom:1px solid #ffccc7;justify-content:space-between;align-items:center;padding:10px 24px;font-size:14px;display:flex}.error-banner button{color:#cf1322;background:0 0;padding:0 8px;font-size:18px}.app-main-full{max-width:none}.page-loading{text-align:center;color:#999;padding:60px}.list-page{width:100%}.page-header{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px;display:flex}.page-header h2{color:#1a1a1a;font-size:22px;font-weight:600}.page-desc{color:#888;margin-top:4px;font-size:13px}.empty-state{text-align:center;background:#fff;border-radius:8px;padding:60px;box-shadow:0 1px 3px #0000000f}.empty-state p{color:#999;margin-bottom:16px;font-size:15px}.table-wrap{background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 1px 3px #0000000f}.data-table{border-collapse:collapse;width:100%;font-size:14px}.data-table th{text-align:left;color:#666;white-space:nowrap;background:#fafafa;border-bottom:1px solid #f0f0f0;padding:12px 16px;font-weight:500}.data-table td{color:#333;border-bottom:1px solid #f5f5f5;padding:14px 16px}.data-table tbody tr:hover{background:#fafafa}.data-table tbody tr:last-child td{border-bottom:none}.cell-name{font-weight:500}.cell-amount{color:#cf1322;font-weight:600}.cell-date{color:#888;white-space:nowrap;font-size:13px}.cell-actions{white-space:nowrap}.btn-link{color:#1677ff;background:0 0;padding:4px 8px;font-size:13px}.btn-link:hover{color:#4096ff}.btn-link-danger{color:#ff4d4f}.btn-link-danger:hover{color:#ff7875}.app-header{z-index:100;background:#fff;border-bottom:1px solid #e8e8e8;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:16px 24px;display:flex;position:sticky;top:0;box-shadow:0 1px 4px #0000000f}.header-left h1{color:#1a1a1a;font-size:20px;font-weight:600}.subtitle{color:#888;margin-top:2px;font-size:13px}.header-actions{align-items:center;gap:12px;display:flex}.tab-switch{background:#f5f5f5;border-radius:6px;padding:2px;display:flex}.tab-switch button{color:#666;background:0 0;padding:6px 20px;font-size:14px}.tab-switch button.active{color:#1677ff;background:#fff;font-weight:500;box-shadow:0 1px 3px #0000001a}.btn-export{color:#fff;background:#1677ff;padding:8px 24px;font-weight:500}.btn-export:hover:not(:disabled){background:#4096ff}.app-main{flex:1;width:100%;max-width:1400px;margin:0 auto;padding:20px 24px}.form-panel{flex-direction:column;gap:20px;display:flex}.form-section{background:#fff;border-radius:8px;padding:20px;box-shadow:0 1px 3px #0000000f}.form-section h2{border-bottom:1px solid #f0f0f0;margin-bottom:16px;padding-bottom:8px;font-size:16px;font-weight:600}.section-header{border-bottom:1px solid #f0f0f0;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:8px;display:flex}.section-header h2{border-bottom:none;margin-bottom:0;padding-bottom:0}.form-grid{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.form-grid label{color:#666;flex-direction:column;gap:4px;font-size:13px;display:flex}.form-grid .span-2{grid-column:span 2}.summary-display{background:#f6ffed;border:1px solid #b7eb8f;border-radius:6px;grid-column:span 3;align-items:center;gap:24px;padding:12px;font-size:14px;display:flex}.summary-display .grand-total{color:#cf1322;font-size:18px;font-weight:700}.remarks-label{color:#666;flex-direction:column;gap:4px;margin-top:12px;font-size:13px;display:flex}.lines-table-wrap{margin-bottom:12px;overflow-x:auto}.lines-table{border-collapse:collapse;width:100%;font-size:12px}.lines-table th,.lines-table td{text-align:center;border:1px solid #e8e8e8;padding:4px}.lines-table th{white-space:nowrap;background:#fafafa;padding:8px 4px;font-weight:500}.lines-table input,.lines-table select{min-width:60px;padding:4px 6px;font-size:12px}.subtotal-cell{color:#cf1322;white-space:nowrap;font-weight:600}.btn-primary{color:#fff;background:#1677ff;align-self:flex-start}.btn-primary:hover{background:#4096ff}.btn-secondary{color:#333;background:#f0f0f0}.btn-secondary:hover{background:#e0e0e0}.btn-danger{color:#fff;background:#ff4d4f}.btn-danger:hover:not(:disabled){background:#ff7875}.btn-sm{padding:4px 10px;font-size:12px}.item-group-section{border-left:3px solid #1677ff}.preview-container{justify-content:center;padding:10px 0;display:flex}.hidden-preview{width:1100px;position:fixed;top:0;left:-9999px}.quotation-preview{color:#000;background:#fff;width:1100px;padding:16px 20px;font-size:11px}.preview-header{text-align:center;margin-bottom:8px}.logo-area{margin-bottom:4px}.logo-placeholder{color:#333;letter-spacing:2px;font-size:18px;font-weight:700}.preview-title{letter-spacing:8px;margin:4px 0;font-size:22px;font-weight:700}.preview-info-table{border-collapse:collapse;width:100%;margin-bottom:0;font-size:11px}.preview-info-table td{border:1px solid #000;padding:3px 6px}.info-label{white-space:nowrap;text-align:center;background:#f9f9f9;width:60px}.preview-main-table{border-collapse:collapse;table-layout:fixed;width:100%;font-size:10px}.preview-main-table th,.preview-main-table td{vertical-align:middle;word-wrap:break-word;border:1px solid #000;padding:3px 4px}.preview-main-table th{text-align:center;background:#f5f5f5;font-weight:400;line-height:1.3}.col-no{width:30px}.col-contract{width:70px}.col-series{width:100px}.col-model{width:90px}.col-color{width:80px}.col-dim{width:40px}.col-unit{width:30px}.col-area{width:55px}.col-price{width:40px}.col-subtotal,.col-rebate{width:45px}.col-remarks{width:160px}.center{text-align:center}.text-red{color:#cf1322}.remarks-cell{text-align:left;vertical-align:top;padding:4px 6px;font-size:9px;line-height:1.5}.summary-row td{background:#fafafa;font-weight:700}.grand-total-cell{color:#cf1322;font-size:13px;font-weight:700}.terms-section{color:#cf1322;white-space:pre-line;border:1px solid #000;border-top:none;padding:6px 8px;font-size:9px;line-height:1.6}.preview-footer-table{border-collapse:collapse;width:100%;margin-top:0}.preview-footer-table td{border:1px solid #000;border-top:none;width:33.33%;padding:8px 12px;font-size:11px}.footer-date{margin-left:20px}@media (width<=768px){.app{flex-direction:column}.sidebar{width:100%;min-width:unset;height:auto;position:relative}.sidebar-nav{flex-direction:row;padding:8px}.nav-item{flex:1;justify-content:center;padding:10px}.sidebar-footer{display:none}.form-grid{grid-template-columns:1fr}.form-grid .span-2{grid-column:span 1}.summary-display{flex-direction:column;grid-column:span 1;align-items:flex-start}.app-header{flex-direction:column;align-items:flex-start}}@media print{.app-header,.hidden-preview{display:none}}