:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:#202822;background:#f8f7f3;font-synthesis:none;font-variant-numeric:tabular-nums}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.shell{min-height:100vh;display:flex;flex-direction:column}.topbar{height:65px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e7e7df;background:#fff}.brand-logo{display:block;height:24px;width:auto}.topbar-note,.eyebrow{color:#68766a;font-size:12px;letter-spacing:.08em}main{width:100%;max-width:660px;margin:0 auto;padding:32px 18px 64px;flex:1}.eyebrow{color:#52705b;font-weight:700;letter-spacing:.14em}.eyebrow span,footer span{color:#d49a59;padding:0 4px}h1{font-size:clamp(28px,7vw,38px);line-height:1.2;letter-spacing:-.05em;margin:16px 0 10px}.period{color:#d18b42}.intro{color:#69746b;font-size:14px;line-height:1.7;margin:0 0 28px}.card{padding:24px 20px;border:1px solid #e5e7dd;border-radius:17px;background:#fff;box-shadow:0 8px 26px #243c2b09;margin-bottom:14px}.field-label{display:block;color:#35463a;font-size:14px;font-weight:650;margin:18px 0 8px}.field-label:first-child{margin-top:0}.field-label em{color:#c45e49;font-style:normal}.field-label small{color:#869087;font-size:12px;font-weight:400}input:not([type=checkbox]):not([type=radio]),select,textarea{width:100%;min-height:46px;padding:11px 13px;border:1px solid #dce2d9;border-radius:9px;background:#fff;color:#202822;outline:none;font-size:16px}textarea{resize:vertical}input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:2px solid #46815d;outline-offset:2px}input[type=checkbox],input[type=radio]{width:19px;height:19px;accent-color:#315c46;flex:none}.primary,.secondary{min-height:48px;border-radius:9px;padding:12px 18px;font-size:15px;font-weight:700}.primary{border:1px solid #315c46;background:#315c46;color:#fff}.primary:not(:disabled):active{background:#234633}.secondary{border:1px solid #d8e1d9;background:#fff;color:#315c46}.full{width:100%;margin-top:22px}.full+.full{margin-top:10px}.helper{color:#778278;font-size:12px;line-height:1.6;margin:15px 0 0}.center{text-align:center}.alert,.hint-error{color:#9e402c;background:#fff5f0;border:1px solid #f1d3c7;border-radius:8px;padding:10px 12px;font-size:13px;line-height:1.5;margin:16px 0 0}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;color:#273f30;font-weight:750;font-size:17px}.tag{padding:4px 8px;border-radius:5px;background:#eaf3e8;color:#467355;font-size:11px;font-weight:600;white-space:nowrap}.order-number{color:#818a80;font-size:13px;margin:7px 0 18px;overflow-wrap:anywhere}.order-section{border-top:1px solid #edf0e9;padding:15px 0}.order-section-heading{display:flex;align-items:center;gap:10px;min-height:44px;margin:-8px 0 7px;color:#35463a;font-size:14px;font-weight:700;cursor:pointer}.order-products{display:grid;grid-template-columns:minmax(0,1fr) auto auto;column-gap:12px;row-gap:10px;align-items:baseline;font-size:14px;line-height:1.5}.product-row{display:contents}.product-name{min-width:0;overflow-wrap:anywhere}.product-quantity{color:#89948a;white-space:nowrap}.product-amount{color:#374b3b;text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}.order-subtotal{display:flex;justify-content:space-between;gap:12px;margin-top:12px;color:#778278;font-size:13px}.order-subtotal strong{color:#374b3b;font-variant-numeric:tabular-nums}.total{border-top:1px solid #e5e9df;padding-top:17px;display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-size:14px}.total strong{color:#315c46;font-size:25px;letter-spacing:-.03em;text-align:right;white-space:nowrap}.order-action{margin-top:8px}.back-link{display:inline-flex;align-items:center;min-height:44px;margin:-10px 0 4px;padding:6px 0;border:0;background:none;color:#315c46;font-size:14px;font-weight:700}.order-summary{margin:0 0 16px;color:#778278;font-size:13px;line-height:1.6;overflow-wrap:anywhere}.order-summary span{margin:0 4px}.order-summary strong{color:#315c46;white-space:nowrap;font-variant-numeric:tabular-nums}.form-card{padding-top:22px}fieldset{padding:0;border:0;margin:0}.type-choice{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}.type-choice legend,.mode-choice legend{width:100%;margin-bottom:8px}.type-choice label{min-height:48px;display:flex;align-items:center;gap:8px;border:1px solid #dce2d9;border-radius:9px;padding:7px 12px;font-size:14px}.type-choice label.active{border-color:#478461;background:#f2f8f1}.fold{border-top:1px solid #e8ece5;margin-top:25px}.fold+.fold{margin-top:0}.fold-head{width:100%;min-height:56px;padding:12px 0;display:flex;align-items:center;justify-content:space-between;gap:10px;border:0;background:none;text-align:left;font-weight:650;color:#315c46;font-size:14px}.fold-head span{font-size:22px;font-weight:400}.fold-body{padding-bottom:18px}.fold-body .field-label:first-child{margin-top:8px}.mode-choice label,.check-row{min-height:44px;display:flex;align-items:center;gap:10px;font-size:14px}.group-title{display:flex;justify-content:space-between;align-items:baseline;gap:8px;border-top:1px solid #e8ece5;margin-top:22px;padding-top:22px}.group-title span{font-size:12px;color:#778278}.unit-card{margin:12px 0;padding:12px;background:#f8faf6;border:1px solid #e6ece2;border-radius:10px}.unit-title{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;column-gap:12px;min-height:44px;font-size:14px}.unit-title strong{min-width:0;overflow-wrap:anywhere}.text-button,.inline-link{color:#315c46;font-weight:700;background:none;border:0;padding:8px 0;text-decoration:underline;min-height:44px}.line-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;column-gap:12px;min-height:50px;border-top:1px solid #e6ece2;font-size:13px}.line-row span{min-width:0;overflow-wrap:anywhere}.unit-title label,.line-row label{width:112px;flex-shrink:0}.unit-title select,.line-row select{display:block;width:112px;min-height:44px;padding:7px 26px 7px 9px;margin:0;font-size:13px}.preview-list{margin-top:20px;border-top:1px solid #e4e9e1;padding-top:16px}.preview-list .section-heading{font-size:14px}.invoice-breakdown{border:1px solid #dfe6dc;border-radius:12px;padding:12px 14px;margin-top:12px;background:#fbfcfa;font-size:14px}.invoice-heading{margin:-12px -14px 0;padding:9px 14px;border-bottom:1px solid #e3e9e0;border-radius:12px 12px 0 0;background:#eef3ec;font-weight:700}.invoice-heading{display:flex;justify-content:space-between;align-items:baseline;gap:12px}.invoice-heading strong{white-space:nowrap;color:#315c46}.invoice-lines{display:grid;grid-template-columns:minmax(0,1fr) max-content;column-gap:12px;row-gap:3px;margin-top:10px}.invoice-line{display:contents}.invoice-item-name{grid-column:1;min-width:0;overflow-wrap:anywhere;font-weight:400}.invoice-spec{grid-column:1;min-width:0;color:#7d897e;font-size:12px;overflow-wrap:anywhere}.invoice-price{grid-column:2;grid-row:span 2;justify-self:end;white-space:nowrap;font-variant-numeric:tabular-nums}.invoice-line+.invoice-line .invoice-item-name,.invoice-line+.invoice-line .invoice-price{margin-top:10px}.result-card{padding:30px 22px}.result-icon{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;color:#fff;background:#315c46;font-size:27px;margin-bottom:21px}.status-label{color:#315c46;font-size:24px;font-weight:800}.result-message{color:#465849;font-size:17px;line-height:1.8;margin:18px 0 24px}.details{margin:24px 0 5px;border-top:1px solid #e8ece5}.details div{display:flex;gap:16px;padding:12px 0;border-bottom:1px solid #edf0e9;font-size:13px}.details dt{flex:0 0 78px;color:#889489}.details dd{margin:0;flex:1;text-align:right;overflow-wrap:anywhere;white-space:pre-wrap}.issued-row{margin:14px 0;padding:16px;background:#f8faf6;border:1px solid #e5ebdf;border-radius:10px}.invoice-extra{display:grid;gap:6px;margin-top:12px;padding-top:12px;border-top:1px solid #e5ebdf}.invoice-extra small{color:#6d786e;overflow-wrap:anywhere}.invoice-extra a{display:flex;align-items:center;min-height:44px;color:#315c46;font-weight:700}.again{margin-top:25px}footer{padding:22px;text-align:center;font-size:12px;color:#8d988d}@media (min-width: 700px){main{padding-top:56px}.card{padding:30px}}.saved-invoices{margin-top:26px}.fold-quiet{border-top:0;margin-top:14px}.fold-quiet .fold-head{min-height:44px;justify-content:flex-start;color:#8a948b;font-weight:400;font-size:13px;text-decoration:underline;text-underline-offset:3px}.unit-card .text-button{min-height:36px;padding:4px 0;color:#7a867c;font-size:12px;font-weight:500}.quiet-link{min-height:40px;padding:6px 0;border:0;background:none;color:#7a867c;font-size:13px;text-decoration:underline;text-underline-offset:3px}.face-peek{margin-top:10px}.view-switch{display:inline-flex;border:1px solid #d8e1d9;border-radius:8px;overflow:hidden;flex:none}.view-switch button{min-height:30px;padding:3px 12px;border:0;background:#fff;color:#6d786e;font-size:12px;font-weight:600}.view-switch button.on{background:#315c46;color:#fff}.invoice-face{position:relative;overflow:hidden;margin-top:14px;padding:12px;border:1.5px solid #b9876f;border-radius:6px;background:#fffdf8;color:#5a3b2e;font-size:12px}.invoice-face:after{content:"预览 · 非正式发票";position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;transform:rotate(-16deg);color:#b2402c24;font-size:30px;font-weight:800;letter-spacing:4px;pointer-events:none;white-space:nowrap}.face-head{display:flex;justify-content:center;align-items:baseline;gap:10px;flex-wrap:wrap}.face-head strong{font-size:16px;letter-spacing:2px;color:#8f3a26}.face-head span{color:#8a6a5c}.face-note{margin:4px 0 10px;text-align:center;color:#9a7c6f;font-size:11px}.face-parties{display:grid;grid-template-columns:1fr 1fr;border:1px solid #d9b8a6}.face-parties>div{display:grid;gap:3px;padding:7px 8px;min-width:0;overflow-wrap:anywhere}.face-parties>div+div{border-left:1px solid #d9b8a6}.face-parties b{color:#8f3a26}.face-table-wrap{overflow-x:auto;border:1px solid #d9b8a6;border-top:0}.face-table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}.face-table th,.face-table td{padding:5px 6px;text-align:left;vertical-align:top;overflow-wrap:anywhere}.face-table th{color:#8f3a26;font-weight:600;border-bottom:1px solid #e6cfc2;white-space:nowrap}.face-table td:nth-child(n+4),.face-table th:nth-child(n+4){text-align:right;white-space:nowrap}.face-total{display:flex;justify-content:space-between;flex-wrap:wrap;gap:4px 12px;padding:7px 8px;border:1px solid #d9b8a6;border-top:0}.face-total strong{color:#5a3b2e}.face-remark{padding:7px 8px;border:1px solid #d9b8a6;border-top:0;overflow-wrap:anywhere}.face-foot{margin:8px 0 0;color:#9a7c6f;font-size:11px}@media (max-width: 420px){.invoice-face{padding:10px 8px;font-size:11px}.face-table th,.face-table td{padding:4px 3px}}.sub-fold{border-top:1px solid #eef1eb;margin-top:14px}.sub-fold-head{width:100%;min-height:48px;padding:10px 0;display:flex;align-items:center;justify-content:space-between;gap:10px;border:0;background:none;text-align:left;color:#35463a;font-size:14px;font-weight:650}.sub-fold-head small{margin-left:8px;color:#8a948b;font-size:12px;font-weight:400}.sub-fold-head>span:last-child{color:#7a867c;font-size:18px;font-weight:400}.sub-fold-body{padding-bottom:6px}.sub-fold-body .field-label:first-child,.sub-fold-body .check-row:first-child{margin-top:2px}