:root{font-family:Microsoft YaHei,PingFang SC,Noto Sans CJK SC,sans-serif;color:#292724;background:#f5f3ef;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}.shell{min-height:100vh}.topbar{height:76px;border-bottom:1px solid #e5e0d9;display:flex;align-items:center;justify-content:space-between;padding:0 max(6%,calc((100vw - 1320px)/2));background:#f9f8f5}.brand{display:flex;align-items:center;gap:17px;font-size:15px;font-weight:600;white-space:nowrap}.brand img{width:112px;height:auto}.divider{height:22px;width:1px;background:#d9d2c9}.private-tag{display:flex;align-items:center;gap:7px;color:#6f6d67;font-size:13px}.main{max-width:1320px;margin:auto;padding:56px 36px 0}.heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:32px}.eyebrow{font-size:12px;letter-spacing:.12em;color:#9c2726;font-weight:700;margin:0 0 14px}.eyebrow span{display:inline-block;width:22px;height:2px;vertical-align:middle;background:#a52b28;margin-right:7px}h1{font-family:Songti SC,SimSun,serif;font-size:clamp(34px,3.2vw,48px);letter-spacing:-.045em;line-height:1.28;font-weight:600;margin:0}.mobile-break{display:none}.lead{font-size:15px;color:#76736d;margin:13px 0 0}.spec{display:flex;align-items:center;gap:15px;color:#77736d;font-size:12px;border-left:1px solid #ddd6cd;padding:4px 0 4px 22px}.spec strong{font-family:Georgia,serif;font-size:24px;font-weight:400;color:#2d2a27}.spec strong small{font-family:inherit;font-size:12px}.workspace{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:18px}.panel{background:#fff;border:1px solid #e9e5df;border-radius:14px;box-shadow:0 8px 32px #43332009}.upload-panel{padding:25px}.preview-panel{padding:25px;display:flex;flex-direction:column;min-width:0}.panel-heading{display:flex;justify-content:space-between;align-items:start;gap:12px;margin-bottom:18px}.panel-heading h2{font-size:17px;line-height:1.3;margin:0;font-weight:700}.panel-heading p,.option-row p{font-size:13px;line-height:1.5;color:#908b84;margin:6px 0 0}.preview-panel .panel-heading p{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:340px}.count{display:inline-flex;vertical-align:2px;align-items:center;justify-content:center;width:22px;height:22px;font-size:11px;background:#f5efed;color:#a52b28;border-radius:50%;margin-left:5px}.text-button{border:0;background:none;color:#8c8279;padding:3px;font-size:13px}.dropzone{min-height:201px;border:1.5px dashed #d8cec3;border-radius:10px;background:#faf8f5;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;padding:20px;text-align:center;transition:border-color .15s,background .15s}.dropzone.drag{border-color:#a12e29;background:#fbf1ef}.dropzone strong{font-size:15px}.dropzone>span{font-size:12px;color:#99928a}.drop-icon{display:flex;align-items:center;justify-content:center;width:38px;height:38px;background:#f2e6e2;border-radius:50%;color:#a62d28;margin-bottom:3px}.select-button{background:#fff;border:1px solid #d9cfc8;border-radius:7px;padding:8px 18px;color:#733632;font-size:13px;margin-top:6px}.select-button:hover{border-color:#9b2c28}.file-list{max-height:264px;overflow:auto;margin-top:12px;border:1px solid #eeeae5;border-radius:9px}.file-row{display:flex;align-items:center;gap:4px;border-bottom:1px solid #f0ede8;padding:4px 7px}.file-row:last-child{border-bottom:0}.file-row.selected{background:#fbf8f5}.file-main{display:flex;align-items:center;gap:10px;flex:1;min-width:0;text-align:left;border:0;background:none;padding:8px 3px;color:inherit}.file-icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;flex:none;border-radius:8px;background:#f4f1ec;color:#8b8178}.file-icon.done{color:#598064;background:#eef4ee}.file-icon.error{color:#a42f28;background:#f8ecea}.file-copy{display:flex;flex-direction:column;gap:3px;min-width:0}.file-copy strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:600}.file-copy small{font-size:12px;color:#918b84;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-row:has(.error) .file-copy small{color:#ad3730}.icon-button{border:0;background:transparent;width:38px;height:38px;display:grid;place-items:center;color:#817a72;flex:none;border-radius:7px}.icon-button:hover{background:#f1ede8}.option-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:23px 0;border-bottom:1px solid #efebe6}.option-row strong{font-size:14px}.switch{position:relative;display:inline-flex;cursor:pointer}.switch input{position:absolute;opacity:0}.switch>span:not(.sr-only){width:44px;height:26px;border-radius:30px;background:#d9d5cf;transition:background .15s}.switch>span:not(.sr-only):after{content:"";display:block;width:20px;height:20px;margin:3px;border-radius:50%;background:#fff;box-shadow:0 1px 4px #0002;transition:transform .15s}.switch input:checked+span{background:#9c2e2a}.switch input:checked+span:after{transform:translate(18px)}.switch input:focus-visible+span{outline:3px solid #c6948c;outline-offset:2px}.primary{display:flex;justify-content:center;align-items:center;gap:10px;width:100%;border:0;border-radius:8px;padding:15px;background:#992b28;color:#fff;font-size:14px;font-weight:700;margin-top:18px}.primary:hover:not(:disabled){background:#7f211f}.primary span{font-size:19px;line-height:12px}.status{font-size:12px;color:#8e8880;min-height:18px;margin-top:12px}.preview-stage{flex:1;min-height:390px;background:#f1efeb;border-radius:10px;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}.preview-stage.has-image{background:#e9e6e0}.preview-stage img{display:block;max-width:100%;max-height:480px;width:auto;height:auto;object-fit:contain}.empty-preview{text-align:center;display:flex;flex-direction:column;align-items:center;gap:8px;color:#a39d95}.empty-preview span{display:grid;place-items:center;width:58px;height:58px;border:1px solid #ded9d2;border-radius:50%;margin-bottom:4px}.empty-preview strong{font-size:14px;color:#7d7770}.empty-preview small{font-size:12px}.preview-foot{display:flex;justify-content:space-between;align-items:center;padding-top:19px}.preview-foot div{display:flex;flex-direction:column;gap:5px}.preview-foot strong{font-size:13px}.preview-foot span{font-size:12px;color:#a29b92}.foot-number{font-family:Georgia,serif;letter-spacing:.05em}.download-bar{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:18px;padding:16px 20px;background:#efe8e2;border-radius:11px}.download-bar>div{display:flex;gap:11px;align-items:center}.download-bar>div>div{display:flex;flex-direction:column;gap:4px}.download-bar strong{font-size:14px}.download-bar small{font-size:12px;color:#8a817a}.download-check{width:36px;height:36px;border-radius:50%;background:#fff;color:#8c2c28;display:grid;place-items:center}.download-bar button{display:flex;align-items:center;gap:8px;border:0;border-radius:7px;background:#8e2d2a;color:#fff;font-size:13px;font-weight:700;padding:12px 17px;white-space:nowrap}.note{display:flex;align-items:flex-start;gap:10px;margin:24px 2px 34px;color:#827b73}.note-mark{color:#a22d29;font-size:15px}.note p{font-size:12px;line-height:1.6;margin:0}footer{max-width:1320px;margin:auto;border-top:1px solid #e4dfd8;padding:20px 36px 28px;display:flex;justify-content:space-between;gap:15px;font-size:11px;letter-spacing:.03em;color:#a19a91}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}@media(max-width:760px){.topbar{height:64px;padding:0 18px}.brand{gap:10px;font-size:14px}.brand img{width:91px}.private-tag{font-size:11px}.main{padding:32px 16px 0}.heading{margin-bottom:22px}.heading h1{font-size:35px}.lead{font-size:14px;line-height:1.6}.spec{display:none}.workspace{grid-template-columns:1fr;gap:12px}.upload-panel,.preview-panel{padding:19px}.preview-stage{min-height:300px;max-height:450px}.preview-stage img{max-height:430px}.download-bar{padding:14px}.download-bar button{padding:12px}.note{margin:20px 0 26px}footer{padding:18px 16px 24px}.private-tag span{white-space:nowrap}}@media(max-width:360px){.heading h1{font-size:31px}.private-tag{font-size:0}.private-tag svg{width:16px}.dropzone{min-height:180px}.download-bar small{max-width:135px;line-height:1.4}.mobile-break{display:block}}:root .upload-panel{min-width:0}@media(max-width:760px){.workspace{grid-template-columns:minmax(0,1fr)}.download-bar>div{min-width:0}}.panel-heading>div{min-width:0;max-width:100%}.preview-panel .panel-heading p{max-width:100%}