:root{--green:#176956;--ink:#18382f;--muted:#718078;--line:#e2e8e2;--bg:#f6f7f2}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}button,input{font:inherit}button,a,label.dropzone{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #6aba9f;outline-offset:4px}[hidden]{display:none!important}.topbar{max-width:1120px;margin:auto;padding:26px 30px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;font-size:18px;font-weight:700;letter-spacing:.5px}.brand small{display:block;font-size:9px;letter-spacing:2px;color:var(--muted);font-weight:500}.brand-mark{width:39px;height:43px;background:var(--green);color:white;border-radius:7px 7px 15px 7px;display:flex;align-items:center;justify-content:center;font-size:25px}.brand-mark span{font-size:15px;align-self:flex-start;margin-top:3px}.local-badge{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--green);background:#eaf0e8;border:1px solid #dde6da;border-radius:30px;padding:7px 13px}.dot{width:6px;height:6px;background:#448f6c;border-radius:50%}main{max-width:1000px;margin:0 auto;padding:0 30px}.intro{display:flex;align-items:center;justify-content:space-between;padding:46px 8px 36px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--green);margin:0 0 12px}h1{font-size:43px;letter-spacing:-1.5px;line-height:1.35;margin:0;font-weight:650}h1 span{color:#67997e}.intro-copy{font-size:14px;color:var(--muted);margin:15px 0 0;line-height:1.9}.paper-art{position:relative;width:220px;height:210px;margin-right:35px}.paper{width:112px;height:150px;border:1px solid #d5dfd1;border-radius:8px;position:absolute;box-shadow:0 12px 30px #354d3610;padding:20px}.paper.back{background:#e5ecdd;transform:rotate(-13deg);left:27px;top:17px}.paper.front{background:#fffef9;transform:rotate(10deg);left:74px;top:34px}.paper span{font-size:11px;font-weight:700;color:var(--green);border:1px solid #ccddd1;padding:2px 6px;border-radius:3px}.paper i{display:block;background:#dce4d9;height:4px;margin-top:12px;border-radius:5px}.paper i:nth-last-of-type(1){width:70%}.paper b{position:absolute;right:-16px;bottom:-12px;font-weight:400;background:var(--green);border-radius:50%;color:white;font-size:27px;width:45px;height:45px;text-align:center;transform:rotate(-10deg)}.art-caption{position:absolute;bottom:0;left:46px;font-size:9px;letter-spacing:3px;color:#879485}.workspace{border:1px solid #dfe6df;border-radius:18px;background:white;box-shadow:0 12px 45px #1c473307;overflow:hidden}.tabs{display:flex;padding:8px;background:#edf1eb;border-bottom:1px solid var(--line);gap:8px}.tab{flex:1;border:0;background:transparent;border-radius:10px;padding:16px;color:#69786e;font-weight:600;text-align:left;display:flex;align-items:center;gap:12px}.tab.active{background:white;color:var(--green);box-shadow:0 2px 6px #123c2310}.tab small{font-size:11px;font-weight:400;margin-left:auto}.tab-icon{font-size:22px;line-height:1}.workspace-body{padding:30px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:23px}h2{font-size:18px;margin:0;font-weight:650}.section-heading p{font-size:12px;color:var(--muted);margin:5px 0 0}.step{font-size:10px;letter-spacing:1px;color:#8a978d}.dropzone{position:relative;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;background:#fafbf8;border:1.5px dashed #b9cbb8;border-radius:12px;min-height:223px;padding:24px;text-align:center;cursor:pointer;transition:.2s}.dropzone:hover,.dropzone.dragging{background:#f0f6ed;border-color:var(--green)}.dropzone:focus-within{outline:3px solid #6aba9f;outline-offset:3px}.dropzone input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}.dropzone strong{font-size:15px;font-weight:600}.dropzone>span:not(.upload-icon):not(.choose-button){font-size:12px;color:var(--muted)}.upload-icon{width:38px;height:38px;border-radius:10px;background:#e9f0e5;color:var(--green);font-size:27px;line-height:38px;margin-bottom:2px}.choose-button{display:inline-flex;align-items:center;gap:28px;background:white;border:1px solid #d3ded0;border-radius:7px;padding:7px 17px;font-size:12px;margin-top:7px;color:var(--green)}.choose-button b{font-size:17px;font-weight:400}.action-bar{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-top:25px;padding-top:22px;border-top:1px solid var(--line)}.filename-label{font-size:12px;color:var(--muted)}.input-suffix{margin-top:7px;display:flex;border:1px solid #d8e0d7;border-radius:7px;overflow:hidden;align-items:center;background:#fafbf8;max-width:340px}.input-suffix input{min-width:0;width:240px;border:0;background:transparent;padding:9px 12px;color:var(--ink)}.input-suffix span{padding-right:12px;font-size:12px;color:#8a958b}.primary{border:0;border-radius:8px;background:var(--green);color:white;padding:12px 24px;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:40px;white-space:nowrap}.primary:hover:not(:disabled){background:#105442}.primary.small{font-size:12px;padding:10px 15px;gap:10px}.file-list:empty{display:none}.file-list{margin-top:16px}.file-row,.result-row{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid #edf0ea}.file-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:36px;height:43px;background:#eef3eb;border:1px solid #dce6d7;color:var(--green);border-radius:5px;font-size:10px;font-weight:700}.file-info{min-width:0;flex:1}.file-info strong{display:block;font-size:13px;overflow-wrap:anywhere;font-weight:500}.file-info small{font-size:11px;color:var(--muted)}.row-controls{display:flex;gap:5px}.icon-button{border:1px solid #e2e7df;color:#64766a;background:white;border-radius:5px;min-width:30px;height:30px;line-height:1;font-size:16px}.icon-button:hover:not(:disabled){background:#f0f4ec}.list-tools{display:flex;align-items:center;justify-content:space-between;margin-top:10px;font-size:12px;color:var(--muted)}.text-button{border:0;background:transparent;color:var(--green);font-size:12px;padding:5px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding:35px 8px 20px}.features>div{position:relative;padding-left:32px}.features>div>span{position:absolute;left:0;top:2px;font-size:11px;color:#8d9e89}.features h3{margin:0;font-size:12px;font-weight:600}.features p{font-size:11px;color:var(--muted);margin:7px 0}.notes{font-size:11px;color:var(--muted);padding:10px 8px 25px;line-height:1.9}.notes summary{cursor:pointer}.notes p{margin:10px 0}footer{max-width:1060px;padding:22px 30px;margin:auto;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:#8a958a;font-size:10px}.status{margin-top:20px;padding:12px 15px;border-radius:8px;background:#edf4e9;color:#346443;font-size:13px;white-space:pre-line;overflow-wrap:anywhere}.status.error{background:#fff0ea;color:#a34c2b}.results{margin-top:25px;padding:22px;background:#f3f7ef;border:1px solid #dbe6d4;border-radius:10px}.result-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.result-heading h2{font-size:16px}.success-label{color:#5a895f;font-size:10px;letter-spacing:1px}.result-row{border-color:#e0e9d9}.download-link{font-size:12px;color:var(--green);text-decoration:none;border:1px solid #cdddc5;border-radius:6px;padding:6px 12px;white-space:nowrap}.download-link:hover{background:#e7f0df}.split-toolbar{display:flex;justify-content:space-between;align-items:center;padding-top:22px;font-size:13px}.split-toolbar input{width:70px;padding:6px;border:1px solid #d0dacc;border-radius:6px;text-align:center;color:var(--green);margin:0 7px}.hint{font-size:12px;color:var(--muted)}.range-row{display:flex;gap:12px;align-items:center;padding:11px 13px;border:1px solid #e1e7de;background:#fcfcf9;border-radius:7px;margin-top:8px;font-size:12px}.range-label{min-width:70px;color:var(--green)}.range-row input{width:86px;border:1px solid #cfdaca;border-radius:5px;padding:5px 8px;color:var(--ink)}.range-count{margin-left:auto;color:var(--muted);white-space:nowrap}.inline-error{font-size:12px;color:#a34c2b;margin:10px 0}.busy .dropzone{opacity:.6;pointer-events:none}.busy .primary{opacity:.6}body.busy{cursor:progress}@media(max-width:640px){.topbar{padding:18px 20px}.brand{font-size:15px}.brand small{font-size:8px}.local-badge{font-size:10px;padding:5px 8px}main{padding:0 16px}.intro{padding:32px 5px 25px}h1{font-size:31px}.eyebrow{font-size:10px}.intro-copy{font-size:12px}.paper-art{width:120px;height:165px;margin:0;transform:scale(.72);transform-origin:right center;margin-left:-20px}.paper.back{left:-12px}.paper.front{left:25px}.art-caption{left:2px;bottom:-22px;white-space:nowrap}.workspace-body{padding:20px 16px}.tab{padding:12px;gap:8px;font-size:14px}.tab small,.step{display:none}.dropzone{padding:20px 10px;min-height:208px}.dropzone strong{font-size:14px}.section-heading p{font-size:11px}.action-bar{align-items:stretch;flex-direction:column;gap:15px}.input-suffix{max-width:none}.input-suffix input{width:100%}.primary{justify-content:center}.features{gap:17px;grid-template-columns:1fr;padding:25px 7px 10px}.features p{margin-top:3px}.file-row{gap:8px}.row-controls{gap:3px}.icon-button{min-width:27px}.results{padding:15px}.range-row{gap:6px;padding:10px 8px;flex-wrap:wrap}.range-label{min-width:56px}.range-row input{width:64px}.range-count{font-size:10px}.result-heading{align-items:flex-start}.result-heading .primary{font-size:11px;padding:8px}.file-info strong{font-size:12px}}
@media(max-width:640px){.intro{overflow:hidden}.paper-art{margin-right:14px;transform:scale(.62);flex-shrink:0}}