:root{color:#1e2428;background:#eef2f5;font-family:PingFang SC,Microsoft YaHei,sans-serif;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,select{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh}.workspace-header{min-height:82px;padding:16px 28px;display:flex;justify-content:space-between;align-items:center;gap:24px;background:#20282d;color:#fff;border-bottom:3px solid #a83232}.workspace-header h1{margin:2px 0 0;font:600 22px/1.2 STZhongsong,SimSun,serif;letter-spacing:.08em}.eyebrow{margin:0;color:#b9c5cc;font:600 10px/1 Arial,sans-serif;letter-spacing:.14em;text-transform:uppercase}.connection-state{max-width:520px;display:flex;align-items:center;gap:8px;padding:8px 11px;border:1px solid rgba(255,255,255,.2);color:#d9e2e7;font-size:12px;line-height:1.35}.connection-state.connected{border-color:#5c9e8c}.connection-state.error{border-color:#c97373}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.workspace-grid{max-width:1740px;margin:0 auto;padding:26px;display:grid;grid-template-columns:minmax(680px,1fr) 382px;gap:24px;align-items:start}.paper-stage{overflow:auto;padding:24px;background:repeating-linear-gradient(0deg,transparent 0 31px,rgba(35,49,56,.035) 32px),#dce4e8;border:1px solid #c6d0d5}.paper-sheet{width:210mm;min-height:297mm;margin:0 auto;padding:20mm 25mm;background:#fff;box-shadow:0 12px 28px #1f2d342e}.acceptance-sheet{width:100%;border-collapse:collapse;table-layout:fixed;color:#121212;font-family:SimSun,Songti SC,serif}.acceptance-sheet col{width:auto}.acceptance-sheet td,.acceptance-sheet th{border:1px solid #1f1f1f;vertical-align:middle;text-align:center;padding:5px 4px;font-size:12pt;line-height:1.3;font-weight:400}.acceptance-sheet th{font-weight:700;background:#fff}.acceptance-sheet col:nth-child(1),.acceptance-sheet col:nth-child(2){width:12.5%}.acceptance-sheet col:nth-child(3){width:8%}.acceptance-sheet col:nth-child(4){width:43%}.acceptance-sheet col:nth-child(5){width:11%}.acceptance-sheet col:nth-child(6){width:13%}.sheet-title{height:14mm;border-bottom-width:0!important;font:700 22pt/1 FZXiaoBiaoSong-B05S,STZhongsong,SimSun,serif!important;letter-spacing:.08em}.acceptance-type{height:10mm;border-top-width:0!important;font-family:SimHei,sans-serif!important}.strong-cell{font-weight:700!important;height:14mm}.service-heading th{height:14mm}.service-row td{height:var(--service-row-height);font-family:"FangSong",FangSong_GB2312,serif;font-size:10.5pt}.service-row .service-content{text-align:left;padding-left:8px}.total-cell{height:11mm;text-align:center!important}.total-cell b{font-weight:700}.signature-large th,.signature-large td{height:48mm}.signature-medium th,.signature-medium td{height:32mm}.signature-content{text-align:left!important;padding:9mm 10mm!important;line-height:1.7!important}.signature-content.compact{padding-top:11mm!important}.acceptance-date-blank{display:inline-block;min-width:42mm}.remark-row th,.remark-row td{height:13mm}.sheet-note{height:11mm;text-align:left!important;padding-left:7px!important;font-size:10.5pt!important;border-top-width:0!important}.control-panel{position:sticky;top:18px;background:#fff;border:1px solid #cfd8dc}.panel-section{padding:17px;border-bottom:1px solid #dde4e7}.panel-section:last-child{border-bottom:0}.panel-heading{display:flex;align-items:center;gap:8px;color:#243037}.panel-heading h2{margin:0;font-size:14px;font-weight:700}.panel-section label{display:grid;gap:5px;margin-top:12px;color:#56636a;font-size:12px}.panel-section select,.panel-section input{width:100%;min-height:34px;border:1px solid #bcc8ce;border-radius:2px;padding:6px 8px;color:#20282d;background:#fff}.panel-hint{margin:11px 0 0;color:#6e7c83;font-size:12px;line-height:1.55}.secondary-action,.ghost-action,.print-action{width:100%;min-height:36px;margin-top:10px;display:inline-flex;align-items:center;justify-content:center;gap:7px;border-radius:2px;font-size:13px;font-weight:600}.secondary-action{border:1px solid #263d46;background:#263d46;color:#fff}.ghost-action{border:1px solid #b9c5ca;background:#fff;color:#34464e}.secondary-action:disabled,.ghost-action:disabled{cursor:not-allowed;opacity:.45}.pricing-list{margin-top:12px;border-top:1px solid #dce3e6}.pricing-row{display:grid;grid-template-columns:1fr 66px 66px 76px 26px;gap:5px;align-items:end;padding:9px 0;border-bottom:1px solid #e3e9ec}.pricing-name{grid-column:1 / -1;color:#354249;font-size:10px}.pricing-name input{margin-top:4px}.pricing-row label{margin-top:0;font-size:10px}.pricing-row input{min-height:31px;padding:4px;font-size:12px}.icon-action{width:26px;height:31px;padding:0;display:inline-grid;place-items:center;border:0;background:transparent;color:#9a3b3b}.panel-actions{background:#f7f9fa}.total-summary{display:flex;align-items:baseline;justify-content:space-between;color:#536168;font-size:12px}.total-summary strong{color:#a83232;font:700 19px Roboto Mono,monospace}.print-action{margin-top:16px;border:1px solid #a83232;background:#a83232;color:#fff}.error-banner{position:fixed;right:24px;bottom:24px;max-width:460px;display:flex;gap:9px;padding:13px 15px;background:#5d2222;color:#fff;box-shadow:0 10px 24px #00000038;font-size:13px}@media (max-width: 1120px){.workspace-grid{grid-template-columns:1fr}.control-panel{position:static}}@media (max-width: 720px){.workspace-header{padding:14px 16px;align-items:flex-start;flex-direction:column}.workspace-grid{padding:12px}.paper-stage{padding:8px}.paper-sheet{transform-origin:top left}}@media print{@page{size:A4;margin:0}body{background:#fff}.workspace-header,.control-panel,.error-banner{display:none!important}.workspace-grid{display:block;padding:0}.paper-stage{padding:0;border:0;background:#fff;overflow:visible}.paper-sheet{width:210mm;min-height:297mm;margin:0;padding:20mm 25mm;box-shadow:none;transform:scale(var(--print-scale));transform-origin:top left}}