:root{--ink:#17201d;--muted:#6c7671;--paper:#f4f3ef;--white:#fff;--red:#a51d24;--red-dark:#7d1117;--line:#d8dcd7;--green:#164f3b;--shadow:0 18px 60px rgba(24,32,29,.11)}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;letter-spacing:0}.topbar{height:72px;padding:0 clamp(20px,4vw,64px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(244,243,239,.94)}.brand{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:700}.brand-mark{display:grid;place-items:center;width:36px;height:36px;background:var(--red);color:#fff;border-radius:4px;font-family:serif}.size-note{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:7px}.dot{width:7px;height:7px;border-radius:50%;background:#2c8a66}.workspace{min-height:calc(100vh - 72px);display:grid;grid-template-columns:minmax(300px,.82fr) minmax(520px,1.18fr);gap:clamp(40px,7vw,110px);align-items:center;max-width:1280px;margin:auto;padding:48px clamp(24px,5vw,72px)}.eyebrow{text-transform:uppercase;color:var(--red);font-size:12px;font-weight:800;letter-spacing:0;margin:0 0 18px}.intro h1,.review-head h1{font-family:Georgia,"Songti SC",serif;font-weight:500;line-height:1.12;margin:0;font-size:clamp(40px,5vw,68px)}.intro-copy{font-size:16px;line-height:1.8;color:var(--muted);max-width:480px;margin:26px 0}.measure{width:210px;margin-top:40px;position:relative;color:var(--red);font-size:12px;font-weight:700}.measure-line{height:1px;background:var(--red);margin-top:9px;position:relative}.measure-line:before,.measure-line:after{content:"";position:absolute;top:-4px;width:1px;height:9px;background:var(--red)}.measure-line:after{right:0}.seal-sample{width:92px;aspect-ratio:1;border:3px double var(--red);border-radius:50%;display:grid;place-items:center;font:42px serif;margin:18px auto 0;transform:rotate(-8deg);opacity:.84}.tool-panel{background:var(--white);padding:clamp(24px,4vw,44px);box-shadow:var(--shadow);border-top:4px solid var(--red)}.step{display:flex;gap:16px;align-items:flex-start;margin-bottom:22px}.step>span{color:var(--red);font:600 14px Georgia,serif;padding-top:3px}.step h2,.control-section h2{font-size:17px;margin:0 0 5px}.step p{font-size:13px;color:var(--muted);margin:0}.upload-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.upload-box{height:148px;border:1px dashed #b9c0bb;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;cursor:pointer;background:#fafaf8;transition:.2s}.upload-box:hover,.upload-box.has-file{border-color:var(--red);background:#fff8f7}.upload-box input{display:none}.upload-box strong{font-size:14px}.upload-box small{color:var(--muted);max-width:85%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.upload-icon{display:grid;place-items:center;width:44px;height:52px;border:1px solid #8a948e;color:var(--green);font-size:10px;font-weight:800}.stamp-preview{display:grid;place-items:center;width:54px;height:54px;border:2px solid var(--red);color:var(--red);border-radius:50%;font:26px serif;background:center/contain no-repeat}.divider{height:1px;background:#e8eae7;margin:32px 0}.field-label{font-size:13px;font-weight:700;display:block;margin:0 0 8px}textarea{width:100%;resize:vertical;min-height:124px;padding:14px;border:1px solid #c8ceca;border-radius:2px;font:14px/1.7 inherit;outline:none}textarea:focus,input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(22,79,59,.1)}.hint{font-size:12px;color:var(--muted);line-height:1.6}.primary{width:100%;height:50px;border:0;border-radius:2px;background:var(--red);color:#fff;padding:0 18px;display:flex;align-items:center;justify-content:space-between;font-size:15px;font-weight:700;cursor:pointer;margin-top:22px}.primary:hover{background:var(--red-dark)}.primary:disabled{opacity:.55;cursor:not-allowed}.error{display:none;color:#a2141c;background:#fff0f0;padding:10px 12px;font-size:13px;margin-top:12px}.error.show{display:block}.hidden{display:none!important}.loading{position:fixed;inset:0;background:rgba(244,243,239,.84);z-index:10;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px}.spinner{width:42px;height:42px;border:3px solid #d5d8d4;border-top-color:var(--red);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.review{min-height:calc(100vh - 72px)}.review-head{height:150px;padding:24px clamp(24px,4vw,60px);display:grid;grid-template-columns:180px 1fr 180px;align-items:center;background:#fff;border-bottom:1px solid var(--line)}.review-head h1{font-size:34px}.review-head .eyebrow{margin:0 0 5px}.back{border:0;background:none;text-align:left;color:var(--muted);cursor:pointer;font-size:13px}.summary{text-align:right}.summary strong{font:44px Georgia,serif;color:var(--red);display:block}.summary span{font-size:12px;color:var(--muted)}.review-layout{display:grid;grid-template-columns:350px 1fr;height:calc(100vh - 222px);min-height:620px}.controls{background:#fff;border-right:1px solid var(--line);padding:24px;overflow:auto}.control-section{margin-bottom:28px}.section-title{display:flex;justify-content:space-between;align-items:center}.section-title button{border:0;background:none;color:var(--red);font-size:12px;cursor:pointer}.match-list{max-height:220px;overflow:auto;border:1px solid var(--line);margin-top:12px}.match-item{display:grid;grid-template-columns:20px 1fr;gap:9px;padding:11px;border-bottom:1px solid #e9ebe8;cursor:pointer}.match-item:last-child{border:0}.match-item input{accent-color:var(--red)}.match-item strong{font-size:13px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.match-item small{font-size:11px;color:var(--muted)}.match-item.active{background:#fff5f3}.empty{padding:24px;color:var(--muted);font-size:13px;line-height:1.6}.segments{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:12px}.segments button{min-height:38px;border:1px solid var(--line);background:#fff;font-size:12px;cursor:pointer}.segments button.active{border-color:var(--red);color:var(--red);background:#fff7f5}.offsets label{display:grid;grid-template-columns:50px 1fr;align-items:center;font-size:12px;color:var(--muted);margin-top:9px}.offsets input{height:36px;border:1px solid var(--line);padding:0 10px}.preview-area{background:#dfe1de;overflow:auto;padding:30px;scroll-behavior:smooth}.preview-toolbar{position:sticky;top:-30px;z-index:4;max-width:800px;margin:0 auto 12px;padding:12px 0;background:#dfe1de;display:flex;justify-content:space-between;font-size:12px;color:#59625e}.preview-pages{display:flex;flex-direction:column;gap:34px}.page-section{scroll-margin-top:52px}.page-number{max-width:800px;margin:0 auto 9px;font-size:12px;color:#59625e}.page-preview{position:relative;max-width:800px;margin:auto;background:#fff;box-shadow:0 7px 30px rgba(0,0,0,.15)}.page-preview img{display:block;width:100%;height:auto;min-height:200px}.marker-layer{position:absolute;inset:0;pointer-events:none}.marker{position:absolute;border:2px solid var(--red);background:rgba(165,29,36,.12);pointer-events:none}.marker:after{content:"定位";position:absolute;left:-2px;top:-20px;background:var(--red);color:#fff;font-size:10px;padding:2px 5px}
.preview-area{scroll-behavior:auto}
.calibration-label{margin-top:20px}.unit-input{height:42px;display:grid;grid-template-columns:1fr 44px;border:1px solid #c8ceca;background:#fff}.unit-input input{min-width:0;border:0;padding:0 12px;font:14px inherit;outline:none}.unit-input span{display:grid;place-items:center;border-left:1px solid #e1e4e1;color:var(--muted);font-size:12px}.calibration-status{margin:10px 0;padding:9px 10px;background:#edf6f1;color:var(--green);font-size:11px;line-height:1.5;border-left:3px solid #2c8a66}
.location-tools{padding-bottom:22px;border-bottom:1px solid var(--line)}.mode-segments{margin-bottom:18px}.location-tools textarea{min-height:84px}.check-row{display:flex;align-items:center;gap:8px;margin:10px 0 12px;color:var(--muted);font-size:12px}.check-row input{accent-color:var(--red)}.secondary{width:100%;min-height:40px;border:1px solid var(--green);background:#fff;color:var(--green);font-weight:700;cursor:pointer}.secondary:hover{background:#f2f8f5}.manual-panel{padding-top:2px}.manual-state{display:flex;align-items:center;gap:9px;margin:12px 0;color:var(--muted);font-size:12px;line-height:1.5}.manual-dot{width:13px;height:13px;border:3px solid #fff;border-radius:50%;background:var(--red);box-shadow:0 0 0 2px var(--red)}.manual-mode .page-preview{cursor:crosshair}.manual-marker{width:16px!important;height:16px!important;margin:-4px 0 0 -4px;border:3px solid #fff;border-radius:50%;background:var(--red);box-shadow:0 0 0 2px var(--red)}.manual-marker:after{content:"手工";left:14px;top:-8px;white-space:nowrap}.match-item:has(.remove-match){grid-template-columns:20px 1fr 28px}.remove-match{width:28px;height:28px;align-self:center;border:0;background:transparent;color:var(--muted);font-size:20px;line-height:1;cursor:pointer}.remove-match:hover{color:var(--red);background:#fff0f0}
.seal-overlay{position:absolute;object-fit:contain;opacity:.72;pointer-events:auto;min-height:0!important;cursor:grab;touch-action:none;user-select:none}.seal-overlay:hover{filter:drop-shadow(0 2px 4px rgba(0,0,0,.28));opacity:.84}.seal-overlay.dragging{cursor:grabbing;opacity:.9}.random-range{position:absolute;border:1px dashed rgba(165,29,36,.7);border-radius:50%;background:rgba(165,29,36,.035);pointer-events:none}.marker{z-index:2}.seal-overlay{z-index:3}.random-range{z-index:0}
@media(max-width:850px){.topbar{height:62px}.size-note{display:none}.workspace{grid-template-columns:1fr;padding:32px 18px}.intro h1{font-size:42px}.measure{display:none}.tool-panel{padding:24px}.review-head{grid-template-columns:1fr auto;height:126px}.review-head>div:nth-child(2){order:-1}.back{grid-row:2}.summary{grid-row:1/3;grid-column:2}.review-layout{grid-template-columns:1fr;height:auto}.controls{border-right:0}.preview-area{padding:18px;min-height:500px}.upload-grid{grid-template-columns:1fr}.upload-box{height:125px}}