:root{--ink:#26251f;--muted:#817e74;--line:#e7e4dc;--paper:#f6f5f0;--accent:#ca5a32;--accent-dark:#a64321;--soft:#fff1e7;--purple:#ece2fe}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Microsoft YaHei",sans-serif;font-size:14px}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}[hidden]{display:none!important}.page{max-width:1320px;padding:0 52px;margin:auto}header{height:88px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.brand{color:var(--ink);font-size:31px;font-weight:800;text-decoration:none;letter-spacing:-1.6px}.brand span{font-size:18px;letter-spacing:1px;margin-left:11px;font-weight:600}.header-note{color:var(--muted);font-size:12px;letter-spacing:1px}.intro{padding:44px 0 35px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:600;color:var(--accent)}h1{font-size:35px;letter-spacing:-1px;margin:14px 0 13px;line-height:1.4}p{line-height:1.8}.intro p{margin:0;color:var(--muted);font-size:14px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:32px;align-items:start}.editor{min-width:0}.card{background:white;border:1px solid var(--line);border-radius:16px;padding:27px;margin-bottom:22px}.section-heading{display:flex;gap:13px;align-items:flex-start;margin-bottom:23px}.section-heading h2{font-size:17px;font-weight:650;margin:1px 0 7px}.section-heading p{font-size:12px;color:var(--muted);margin:0}.step{border:1px solid #e3d2c5;color:var(--accent);font-size:11px;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;flex-shrink:0;margin-top:1px}.dropzone{position:relative;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;border:1px dashed #ccc6b9;background:#faf9f5;border-radius:10px;min-height:170px;cursor:pointer;text-align:center;padding:22px}.dropzone.dragging{border-color:var(--accent);background:var(--soft)}.dropzone input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}.dropzone strong{font-size:13px;font-weight:500}.dropzone>span:last-child{font-size:11px;color:var(--muted);max-width:100%;word-break:break-all}.upload-icon{font-size:26px;color:var(--accent);font-weight:300;line-height:1}.upload-actions{display:flex;gap:16px;align-items:flex-end;justify-content:space-between;margin-top:20px}.password-label{flex:1}.primary{background:var(--accent);color:white;border:none;padding:13px 20px;border-radius:8px;cursor:pointer;font-weight:550;font-size:13px;display:inline-flex;align-items:center;justify-content:center;gap:30px;text-decoration:none;white-space:nowrap;min-height:44px;transition:background .18s}.primary:hover{background:var(--accent-dark)}.primary:disabled{opacity:.55;cursor:wait}.primary span{font-size:18px;font-weight:400}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:19px 17px}label{font-size:12px;display:flex;flex-direction:column;gap:9px;font-weight:500}input:not([type=file]),select{width:100%;min-width:0;border:1px solid #ddd9d0;background:#fff;border-radius:7px;padding:11px 10px;height:42px;color:var(--ink);font-size:12px;outline:none}input::placeholder{color:#aaa69c}input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 2px #ca5a3210}.form-help{font-size:11px;color:var(--muted);margin:15px 0 0;line-height:1.9}.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:20px;border-top:1px solid var(--line);padding-top:17px;gap:18px 12px}.stat small{font-size:11px;color:var(--muted);display:block;margin-bottom:9px}.stat strong{font-weight:550;font-size:19px;letter-spacing:-.4px}.stat em{display:block;font-size:10px;color:var(--muted);font-style:normal;margin-top:5px}.text-button{background:none;border:0;color:var(--accent);font-size:12px;padding:0;cursor:pointer;margin-top:23px}.rules{color:var(--muted);font-size:11px;line-height:2;padding-top:10px}details{border-top:1px solid var(--line);padding-top:14px;margin-top:18px}summary{font-size:11px;color:var(--muted);cursor:pointer}.product-heading{border-top:1px solid var(--line);padding-top:23px;margin-top:23px;display:flex;justify-content:space-between;gap:15px;align-items:center}.product-heading span{font-size:13px;font-weight:600}.product-heading small{font-size:10px;color:var(--muted)}.product-grid{margin-top:20px}.generate{width:100%;margin-top:27px;justify-content:space-between}.upload-result{font-size:12px;color:#526753;line-height:1.9;margin-top:18px;padding:12px 15px;background:#f1f5ee;border-radius:8px}.preview-panel{border:1px solid var(--line);border-radius:16px;background:#efede6;padding:23px 23px 20px;position:sticky;top:22px}.preview-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.preview-top .eyebrow{font-size:9px;letter-spacing:1.5px;color:#8a8478}.preview-top h2{font-size:16px;margin:7px 0 0}.preview-state{font-size:10px;color:#8b8171;border:1px solid #d8d2c5;padding:5px 8px;border-radius:5px;white-space:nowrap}.preview-state.ready{background:#e7ede0;color:#4c664c;border-color:#d1dbc8}.preview-canvas{margin-top:22px;background:#fff;border-radius:5px;overflow:hidden;box-shadow:0 5px 15px #5149320a;min-height:345px;display:flex;justify-content:center;align-items:center}.preview-canvas img{width:100%;height:auto;display:block}.empty-preview{text-align:center;padding:60px 25px;color:#b3ad9f;font-size:12px;line-height:1.9}.mini-report{width:97px;height:143px;border:1px solid #e3dfd5;margin:0 auto 25px;text-align:center;overflow:hidden;border-radius:2px}.mini-report span{display:block;padding:7px;background:#f7d9b9;font-size:10px;color:#a3896b}.mini-report i{display:block;height:21px;border-top:1px solid #e4dfd5;background:linear-gradient(90deg,#eee7f4 60%,white 60%)}.download{width:100%;margin-top:18px;gap:5px}.preview-caption{font-size:10px;text-align:center;color:var(--muted);margin:15px 0 0;line-height:1.8}.report-notes{font-size:10px;line-height:1.9;color:var(--muted);border-top:1px solid #ddd7ca;margin-top:15px;padding-top:12px}.history-list{display:flex;flex-direction:column}.history-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;border-top:1px solid var(--line);cursor:pointer;color:var(--ink);background:none;border-left:none;border-right:none;border-bottom:none;width:100%;text-align:left;font-size:12px}.history-item small{font-size:10px;color:var(--muted);display:block;margin-top:6px}.history-item>span:last-child{color:var(--accent);font-size:11px}.empty-text{color:var(--muted);font-size:12px;margin:0}footer{display:flex;justify-content:space-between;color:#a19b8e;font-size:11px;border-top:1px solid var(--line);margin-top:35px;padding:25px 0 30px}#message{position:fixed;left:50%;bottom:25px;transform:translateX(-50%);padding:14px 22px;border-radius:10px;color:white;background:#36352f;font-size:13px;z-index:10;box-shadow:0 5px 25px #0002;max-width:90vw;line-height:1.7}#message.error{background:#9d3b29}
@media(max-width:1000px){.page{padding:0 26px}.workspace{grid-template-columns:minmax(0,1fr) 295px;gap:20px}.card{padding:22px}.preview-panel{padding:18px}.form-grid{gap:17px 12px}.product-heading{align-items:flex-start;flex-direction:column;gap:8px}}
@media(max-width:760px){.page{padding:0 18px}header{height:72px}.header-note{display:none}.intro{padding:31px 0 26px}h1{font-size:28px}.workspace{display:flex;flex-direction:column;gap:0}.editor{width:100%}.preview-panel{width:100%;position:static;margin-top:0}.preview-canvas{max-width:360px;margin:22px auto 0}.download{max-width:360px;display:flex;margin-left:auto;margin-right:auto}.card{padding:20px;border-radius:12px}.form-grid{grid-template-columns:1fr 1fr}.summary-grid{grid-template-columns:repeat(2,1fr)}.upload-actions{gap:12px}.primary{padding:12px 16px;gap:15px}footer{gap:14px;flex-direction:column}.product-heading small{font-size:10px}.preview-top{max-width:360px;margin:auto}}
@media(max-width:420px){.form-grid{grid-template-columns:1fr}.upload-actions{align-items:stretch;flex-direction:column}.upload-actions button{justify-content:space-between}.summary-grid{grid-template-columns:repeat(2,1fr)}}
.header-actions{display:flex;align-items:center;gap:24px}.header-actions form{margin:0}.logout-button{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:7px;padding:8px 12px;cursor:pointer;font-size:12px}.login-page{min-height:100vh;display:grid;place-items:center}.login-shell{width:min(480px,calc(100% - 36px));padding:50px 0}.login-shell>.brand{margin-bottom:32px}.login-card{padding:34px}.login-card h1{font-size:26px;letter-spacing:0}.login-card>p,.login-footnote{font-size:12px;color:var(--muted)}.login-card form{margin-top:26px}.login-card .primary{width:100%;margin-top:22px}.login-error{font-size:12px;color:#9d3b29;margin-bottom:0}.login-footnote{text-align:center}