*{box-sizing:border-box}
:root{--bg:#f3f4f6;--panel:#fff;--text:#1d232b;--muted:#6c737f;--line:#dfe2e6;--line-dark:#cdd1d6;--accent:#1f5f8b;--accent-dark:#184b6e;--danger:#a33b3b}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:14px}
button,input,textarea,select{font:inherit}
button,.upload{cursor:pointer}
.app{width:min(1460px,calc(100% - 32px));margin:auto;padding:18px 0 44px}
.app-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0 16px;border-bottom:1px solid var(--line-dark)}
.brand-block{display:flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:38px;height:38px;background:#20262e;color:#fff;font-weight:800;font-size:17px}.brand-line{display:flex;align-items:baseline;gap:9px}.brand-line strong{font-size:22px;letter-spacing:-.03em}.brand-line span{font-size:11px;color:var(--muted);letter-spacing:.12em}.brand-block p{margin:3px 0 0;color:var(--muted);font-size:12px}
.actions,.bottom-actions{display:flex;gap:8px;flex-wrap:wrap}button,.upload{border:1px solid transparent;border-radius:6px;padding:9px 14px;background:none;font-weight:600}.primary{background:var(--accent);color:#fff}.primary:hover{background:var(--accent-dark)}.secondary{background:#fff;border-color:var(--line-dark);color:#303741}.secondary:hover{background:#f7f8f9}.small{padding:7px 11px}.text-danger{border:0;padding:0;background:none;color:var(--danger);font-weight:600}.danger-action{padding:9px 4px;margin-left:auto}.data-danger-zone{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:16px;padding:18px 20px;border:2px solid #dfbcbc;border-left:4px solid var(--danger);border-radius:10px;background:#fffafa;box-shadow:0 2px 8px rgba(163,59,59,.06)}.data-danger-zone strong{display:block;margin-bottom:4px;font-size:13px}.data-danger-zone p{margin:0;color:var(--muted);font-size:11px;line-height:1.55}.danger-outline{flex:0 0 auto;border:1px solid #d9a7a7;background:#fff;color:var(--danger);padding:8px 13px}.danger-outline:hover{background:#fff3f3;border-color:#c98686}
.workspace-note{display:flex;align-items:baseline;gap:14px;padding:18px 0 14px}.workspace-note span{font-size:17px;font-weight:700}.workspace-note p{margin:0;color:var(--muted);font-size:12px}
.grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(460px,.92fr);gap:18px;align-items:start}.editor{display:grid;gap:12px}.form-section,.preview{background:var(--panel);border:1px solid var(--line);box-shadow:0 2px 8px rgba(18,25,33,.035)}.form-section{padding:22px}.section-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid #eceef0}.section-head>div{display:flex;align-items:center;gap:9px}.section-head h2{margin:0;font-size:16px}.section-head p{margin:2px 0 0;color:var(--muted);font-size:12px}.section-index{font-size:10px;color:#8b929b;font-weight:700;letter-spacing:.08em}.section-head-action{align-items:center}.compact-section{padding-bottom:24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px}label{display:grid;gap:6px;color:#444b55;font-size:12px;font-weight:600}input,textarea,select{width:100%;border:1px solid var(--line-dark);border-radius:5px;background:#fff;color:var(--text);padding:10px 11px;outline:none}input::placeholder,textarea::placeholder{color:#a1a7ae}input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 2px rgba(31,95,139,.10)}textarea{resize:vertical;line-height:1.6}.logo-actions{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:11px}.template-row{display:grid;grid-template-columns:1fr minmax(220px,300px);align-items:end;gap:18px;margin-top:18px;padding-top:18px;border-top:1px solid #eceef0}.template-row label{font-size:12px}.template-row p{margin:4px 0 0;color:var(--muted);font-size:11px}.template-row select{font-weight:600}
.table-scroll{overflow-x:auto}.edit-table,.quote-table{width:100%;border-collapse:collapse}.edit-table thead{display:none}.edit-table tbody{display:grid;gap:10px}.edit-table tr{display:grid;grid-template-columns:minmax(140px,1.5fr) minmax(170px,1.8fr) 72px 72px 95px 110px 34px;gap:8px;align-items:end;padding:12px;background:#fafafa;border:1px solid var(--line);border-radius:6px}.edit-table td{min-width:0}.edit-table td::before{display:block;margin:0 0 5px;color:#767d86;font-size:10px;font-weight:600}.edit-table td:nth-child(1)::before{content:"项目名称"}.edit-table td:nth-child(2)::before{content:"规格说明"}.edit-table td:nth-child(3)::before{content:"数量"}.edit-table td:nth-child(4)::before{content:"单位"}.edit-table td:nth-child(5)::before{content:"单价"}.edit-table td:nth-child(6)::before{content:"金额"}.edit-table input{padding:8px 9px;background:#fff}.amount{display:flex!important;align-items:center;justify-content:flex-end;min-height:36px;padding:0 9px!important;border:1px solid #e4e6e8;background:#f1f2f3;font-weight:700;white-space:nowrap}.remove{width:34px;height:36px;padding:0;border:1px solid #e6caca;border-radius:5px;background:#fff;color:var(--danger)}.extras{margin-bottom:16px}.bottom-actions{align-items:center;padding:14px 4px 2px}.upload{display:inline-flex;align-items:center}.upload input{display:none}
.preview{position:sticky;top:14px;overflow:hidden}.preview-bar{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line);background:#fafafa;color:var(--muted);font-size:11px}.preview-bar span:first-child{font-weight:700;color:#414851}.paper{padding:30px;min-height:760px;background:#fff}.paper-head{display:flex;justify-content:space-between;gap:20px;padding-bottom:22px;border-bottom:1px solid #2a3037}.brand{display:flex;align-items:center;gap:12px}.brand>b{display:grid;place-items:center;width:44px;height:44px;overflow:hidden;background:#262d35;color:#fff;font-size:19px}.brand h2{margin:0 0 4px;font-size:18px}.brand p{margin:0;max-width:280px;color:var(--muted);font-size:10px;line-height:1.5}.title{text-align:right}.title small{display:block;color:#8a9098;font-size:9px;letter-spacing:.18em}.title strong{font-size:24px;font-weight:650;letter-spacing:.06em}.meta{display:grid;grid-template-columns:repeat(3,1fr);gap:14px 18px;margin:22px 0}.meta span,.note h3{display:block;margin-bottom:4px;color:#8a9098;font-size:9px;letter-spacing:.04em}.meta b{display:block;font-size:11px;line-height:1.5;overflow-wrap:anywhere;word-break:break-word}.quote-table{font-size:10px}.quote-table th{padding:9px 7px;border-top:1px solid #d8dce0;border-bottom:1px solid #cfd4d8;background:#f7f7f7;text-align:left;color:#555d66;font-weight:650}.quote-table td{padding:10px 7px;border-bottom:1px solid #e5e7e9}.empty{text-align:center;color:var(--muted);padding:26px!important}.totals{width:min(300px,100%);margin:22px 0 0 auto}.totals div{display:flex;justify-content:space-between;padding:6px 0;font-size:11px}.totals span{color:var(--muted)}.totals .grand{margin-top:8px;padding-top:11px;border-top:1px solid #333b43;font-size:14px}.grand b{font-size:20px;color:var(--accent)}.note{margin-top:26px;padding:14px 0;border-top:1px solid #e0e3e6}.note h3{margin-top:0}.note p{margin:0;font-size:10px;line-height:1.7;white-space:pre-wrap}footer{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:38px;color:var(--muted);font-size:10px}footer span{display:block;height:34px;border-bottom:1px solid #9da3aa}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,16px);padding:10px 15px;border-radius:5px;background:#262c34;color:#fff;opacity:0;transition:.18s;pointer-events:none}.toast.show{opacity:1;transform:translate(-50%,0)}
#logoBox{position:relative;overflow:hidden;flex:0 0 auto}#logoPreview{display:none;width:100%;height:100%;object-fit:contain;background:#fff}#logoPreview.show{display:block}#logoFallback.hide{display:none}
@media(max-width:1120px){.grid{grid-template-columns:1fr}.preview{position:static}.paper{min-height:auto}}
@media(max-width:820px){.edit-table tr{grid-template-columns:1fr 1fr}.edit-table td:nth-child(1),.edit-table td:nth-child(2){grid-column:1/-1}.template-row{grid-template-columns:1fr}}
@media(max-width:680px){.app{width:calc(100% - 18px);padding-top:8px}.app-header{align-items:flex-start;flex-direction:column}.actions{display:grid;width:100%;grid-template-columns:1fr 1fr}.actions .primary{grid-column:1/-1}.workspace-note{display:block;padding:14px 0 10px}.workspace-note p{margin-top:4px}.form-section,.paper{padding:16px}.form-grid,.meta{grid-template-columns:1fr}.logo-actions{align-items:flex-start;flex-direction:column}.paper-head{flex-direction:column}.title{text-align:left}.bottom-actions{display:grid;grid-template-columns:1fr 1fr}.data-danger-zone{align-items:flex-start;flex-direction:column;padding:14px}.danger-outline{width:100%}.preview{margin-top:2px}}
@media(max-width:520px){.edit-table tr{grid-template-columns:1fr}.edit-table td{grid-column:1/-1!important}.amount{justify-content:flex-start}.remove{width:100%}}
@media print{@page{size:A4;margin:12mm}body{background:#fff}.no-print,.editor,.toast{display:none!important}.app,.grid,.preview{display:block;width:100%;margin:0;padding:0;border:0;box-shadow:none}.paper{padding:0;min-height:auto}.table-scroll{overflow:visible}}
.hidden{display:none!important}.welcome{min-height:100vh;display:grid;place-items:center;padding:24px;background:#f1f2f3}.welcome-card{width:min(520px,100%);padding:58px 48px 36px;background:#fff;border:1px solid #dfe2e6;text-align:center;box-shadow:0 16px 48px rgba(17,24,39,.06)}.welcome-code{font-size:11px;letter-spacing:.22em;color:#8a9098}.welcome h1{margin:16px 0 8px;font-size:42px;letter-spacing:-.05em}.welcome p{margin:0;color:#6c737f}.welcome-actions{display:grid;gap:10px;margin:38px auto 14px}.large{padding:13px 18px;font-size:15px}.link-btn{border:0;background:none;color:#1f5f8b;font-weight:600;padding:8px}.welcome-meta{display:flex;justify-content:center;gap:22px;margin-top:30px;padding-top:24px;border-top:1px solid #eceef0;color:#747b84;font-size:12px}.welcome-foot{margin-top:34px;color:#a0a5ab;font-size:11px}.brand-mark{border:0;cursor:pointer}.mt12{margin-top:12px}.paper-thanks{margin-top:42px;text-align:center;color:#a0a5ab;font-size:10px;letter-spacing:.12em}.modal{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:20px;background:rgba(19,24,30,.38)}.modal-card{position:relative;width:min(520px,100%);padding:28px;background:#fff;border:1px solid #dfe2e6;box-shadow:0 20px 60px rgba(0,0,0,.18)}.modal-card h2{margin:0 0 18px}.modal-card ol{margin:0;padding-left:22px;line-height:2}.modal-card p{margin:18px 0 0;padding-top:16px;border-top:1px solid #eceef0;color:#6c737f;line-height:1.7}.modal-close{position:absolute;right:14px;top:12px;border:0;background:none;font-size:24px;color:#737a83}@media(max-width:600px){.welcome-card{padding:42px 22px 28px}.welcome h1{font-size:36px}.welcome-meta{gap:12px;flex-wrap:wrap}}

.sync-card{width:min(620px,100%)}.sync-intro{margin:0 0 16px!important;padding:0!important;border:0!important}.sync-status{margin:14px 0;padding:11px 12px;background:#f5f6f7;border:1px solid var(--line);font-size:12px;color:#4d5660}.sync-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.sync-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.sync-note{font-size:11px!important}.sync-actions button:disabled{opacity:.55;cursor:wait}@media(max-width:600px){.sync-grid{grid-template-columns:1fr}.sync-actions{display:grid}.sync-actions button{width:100%}}

/* ET-001 V1.5.3 本地数据区域视觉增强（覆盖样式） */
.data-danger-zone{
  position:relative!important;
  display:flex!important;
  align-items:center!important;
  justify-content:space-between!important;
  gap:24px!important;
  margin-top:20px!important;
  padding:20px 22px 20px 24px!important;
  border:2px solid #d7a3a3!important;
  border-left:6px solid #a33b3b!important;
  border-radius:12px!important;
  background:#fff8f8!important;
  box-shadow:0 5px 16px rgba(125,35,35,.09)!important;
}
.data-danger-zone::before{
  content:"";
  position:absolute;
  inset:7px;
  border:1px solid rgba(163,59,59,.12);
  border-radius:7px;
  pointer-events:none;
}
.data-danger-copy{position:relative;z-index:1;min-width:0}
.data-danger-label{
  display:inline-block;
  margin-bottom:8px;
  padding:3px 8px;
  border:1px solid #e5bcbc;
  border-radius:999px;
  background:#fff;
  color:#973535;
  font-size:10px;
  font-weight:700;
  letter-spacing:.08em;
}
.data-danger-zone strong{
  display:block!important;
  margin:0 0 6px!important;
  color:#2b3037!important;
  font-size:15px!important;
}
.data-danger-zone p{
  margin:0!important;
  color:#6f6262!important;
  font-size:12px!important;
  line-height:1.65!important;
}
.danger-outline{
  position:relative;
  z-index:1;
  flex:0 0 auto!important;
  min-width:118px!important;
  border:1px solid #b95a5a!important;
  border-radius:7px!important;
  background:#fff!important;
  color:#963737!important;
  padding:10px 16px!important;
  font-weight:700!important;
}
.danger-outline:hover{
  background:#a33b3b!important;
  border-color:#a33b3b!important;
  color:#fff!important;
}
@media(max-width:680px){
  .data-danger-zone{align-items:stretch!important;flex-direction:column!important;padding:18px!important}
  .danger-outline{width:100%!important}
}

/* ET-001 V1.5.4 — data management card */
.bottom-tools{
  margin-top:28px;
  padding-top:22px;
  border-top:1px solid var(--line,#e1e5ea);
}
.backup-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:18px;
}
.local-data-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:20px 22px;
  border:1px solid #d9dde3;
  border-left:4px solid #c94a4a;
  border-radius:10px;
  background:#fff;
  box-shadow:0 3px 14px rgba(17,24,39,.05);
}
.local-data-copy{min-width:0}
.local-data-kicker{
  margin-bottom:5px;
  color:#9b3d3d;
  font-size:11px;
  font-weight:700;
  letter-spacing:.08em;
}
.local-data-card h3{
  margin:0 0 7px;
  font-size:16px;
  line-height:1.3;
  color:#20262d;
}
.local-data-card p{
  margin:0;
  color:#6d7580;
  font-size:12px;
  line-height:1.7;
}
.danger-button{
  flex:0 0 auto;
  min-width:132px;
  padding:10px 16px;
  border:1px solid #d86a6a;
  border-radius:7px;
  background:#fff;
  color:#a83232;
  font:inherit;
  font-weight:700;
  cursor:pointer;
}
.danger-button:hover{
  background:#fff4f4;
  border-color:#c94a4a;
}
@media(max-width:600px){
  .backup-actions{display:grid;grid-template-columns:1fr 1fr}
  .backup-actions>*:last-child{grid-column:1/-1}
  .local-data-card{align-items:stretch;flex-direction:column;gap:16px;padding:18px}
  .danger-button{width:100%}
}


/* ET-001 V1.5.7 direct PDF */
#printBtn:disabled{opacity:.62;cursor:wait}
.pdf-capture{background:#fff!important;color:#111!important;box-shadow:none!important}

/* ET-001 V1.6.1 — 手机端自适应增强 */
@media (max-width: 768px){
  html,body{max-width:100%;overflow-x:hidden}
  body{font-size:14px;-webkit-text-size-adjust:100%}
  .app{width:100%;padding:0 10px 28px}

  .app-header{
    position:sticky;
    top:0;
    z-index:30;
    margin:0 -10px;
    padding:10px;
    border-bottom:1px solid var(--line);
    background:rgba(243,244,246,.96);
    backdrop-filter:blur(10px);
  }
  .brand-block{width:100%}
  .brand-line strong{font-size:20px}
  .brand-block p{font-size:11px}
  .actions{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    width:100%;
    gap:8px;
  }
  .actions button{width:100%;min-height:44px;padding:9px 8px}
  .actions #pdfBtn{grid-column:1/-1}

  .workspace-note{padding:14px 2px 10px}
  .workspace-note span{font-size:16px}
  .workspace-note p{font-size:11px;line-height:1.55}

  .grid{display:block}
  .editor{gap:10px}
  .form-section{padding:16px 14px;border-radius:8px}
  .section-head{margin-bottom:14px;padding-bottom:10px}
  .section-head h2{font-size:15px}
  .section-head-action{align-items:center}
  .section-head-action .small{min-height:38px}

  .form-grid,.form-grid.extras{grid-template-columns:1fr;gap:12px}
  input,textarea,select{min-height:44px;font-size:16px}
  textarea{min-height:88px}
  input[type="file"]{padding:8px;font-size:13px}
  .logo-actions{grid-column:auto;gap:8px}
  .template-row{grid-template-columns:1fr;gap:10px;margin-top:14px;padding-top:14px}

  .edit-table tbody{gap:12px}
  .edit-table tr{
    grid-template-columns:1fr 1fr;
    gap:10px;
    padding:12px;
    border-radius:8px;
  }
  .edit-table td:nth-child(1),
  .edit-table td:nth-child(2){grid-column:1/-1}
  .edit-table input{min-height:42px;font-size:16px}
  .edit-table .amount{min-height:42px;justify-content:flex-start}
  .edit-table .remove{width:100%;height:42px}

  .backup-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .backup-actions>*{width:100%;min-height:44px;justify-content:center;text-align:center}
  .backup-actions>*:last-child{grid-column:1/-1}
  .local-data-card{align-items:stretch;flex-direction:column;gap:14px;padding:16px}
  .danger-button{width:100%;min-height:44px}

  .preview{position:static;margin-top:12px;border-radius:8px;overflow:hidden}
  .preview-bar{position:sticky;top:0;z-index:2;padding:11px 12px}
  .paper{padding:18px 14px;min-height:auto}
  .paper-head{gap:12px;padding-bottom:16px}
  .brand{align-items:flex-start;min-width:0}
  .brand>b{width:40px;height:40px}
  .brand h2{font-size:16px;overflow-wrap:anywhere}
  .brand p{max-width:none;overflow-wrap:anywhere}
  .title strong{font-size:21px}
  .meta{grid-template-columns:1fr 1fr;gap:12px;margin:18px 0}
  .meta div:last-child{grid-column:1/-1}
  .quote-table{min-width:620px}
  .preview .table-scroll{
    margin:0 -14px;
    padding:0 14px 6px;
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
  }
  .preview .table-scroll::after{
    content:"左右滑动查看完整报价表";
    display:block;
    padding-top:7px;
    color:#90969d;
    font-size:10px;
    text-align:center;
  }
  .totals{width:100%;margin-top:18px}
  .note{margin-top:20px}
  footer{gap:18px;margin-top:28px}

  .modal{padding:12px;align-items:end}
  .modal-card{max-height:90vh;overflow:auto;padding:24px 18px 20px;border-radius:12px 12px 0 0}
  .sync-actions{display:grid;grid-template-columns:1fr}
  .sync-actions button{width:100%;min-height:44px}

  .toast{bottom:14px;width:calc(100% - 28px);text-align:center}
}

@media (max-width: 430px){
  .actions{grid-template-columns:1fr 1fr}
  .actions #backHomeBtn,.actions #helpBtn{font-size:12px}
  .edit-table tr{grid-template-columns:1fr}
  .edit-table td{grid-column:1/-1!important}
  .meta{grid-template-columns:1fr}
  .meta div:last-child{grid-column:auto}
  .paper-head{flex-direction:column}
  .title{text-align:left}
  .welcome{padding:14px}
  .welcome-card{padding:38px 18px 24px}
  .welcome h1{font-size:34px}
  .welcome-meta{gap:10px}
}