:root{font-family:Inter,"Microsoft YaHei",system-ui,sans-serif;color:#24312e;background:#f6f8f7;font-synthesis:none;font-size:16px}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}button,input,textarea{outline-offset:4px}button:focus-visible,input:focus-visible,textarea:focus-visible,.dropzone:focus-within{outline:2px solid #23856b}main{max-width:1080px;margin:58px auto;padding:0 28px}header{display:flex;align-items:center;justify-content:space-between;margin-bottom:40px}.brand{display:flex;align-items:center;gap:15px}.logo{width:46px;height:46px;display:grid;place-items:center;border-radius:14px;background:#186d57;color:white;font-size:25px;font-weight:700}h1{font-size:22px;margin:0;font-weight:700;letter-spacing:-.4px}h1 span{font-weight:400;margin-left:8px;color:#697770}.brand p{font-size:14px;color:#75817b;margin:7px 0 0}.tag{font-size:12px;border:1px solid #d8e2dc;padding:6px 10px;border-radius:30px;color:#577063}.workspace{display:grid;grid-template-columns:1fr 1fr;background:white;border:1px solid #e0e7e2;border-radius:16px;overflow:hidden;box-shadow:0 8px 35px #15332504}.input-panel,.result-panel{padding:28px}.result-panel{border-left:1px solid #e6ebe7;display:flex;flex-direction:column;min-width:0}.section-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;min-height:26px}h2{font-size:16px;margin:0;font-weight:600}.section-title>span{font-size:12px;color:#91a096}.dropzone{position:relative;border:1.5px dashed #bacdc0;border-radius:10px;background:#f8fbf9;min-height:218px;display:flex;align-items:center;justify-content:center;padding:16px;cursor:pointer;overflow:hidden;margin-bottom:18px}.dropzone:hover,.dropzone.drag{background:#edf6f0;border-color:#43886a}.dropzone input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}#upload-hint{display:flex;align-items:center;flex-direction:column;gap:10px;pointer-events:none}#upload-hint strong{font-size:14px;font-weight:500}#upload-hint>span:last-child{font-size:12px;color:#8a968d}.upload-icon{background:#e9f2ec;color:#407a5d;font-size:28px;border-radius:12px;padding:4px 16px;margin-bottom:6px}#preview{max-height:205px;max-width:100%;object-fit:contain}.file-info{display:flex;align-items:center;gap:12px;justify-content:space-between;font-size:13px;margin-bottom:18px}#filename{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}label:not(.dropzone){display:block;font-size:14px;margin:19px 0 9px}textarea,input[type=password]{width:100%;border:1px solid #dce4df;border-radius:7px;padding:12px;color:#33483d;background:#fff;font-size:14px;line-height:1.7}textarea{resize:vertical;min-height:90px}input::placeholder{color:#98a49d}.helper{font-size:12px;color:#849189;line-height:1.7;margin:8px 0 22px}.primary{width:100%;display:flex;justify-content:center;align-items:center;gap:12px;border:0;background:#1b7058;color:white;padding:14px;border-radius:8px;font-size:15px;font-weight:600}.primary:hover:not(:disabled){background:#145c47}.text-button{background:none;border:0;color:#49816c;padding:4px 0;font-size:14px}.empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:350px;color:#849289;text-align:center;gap:12px}.empty strong{font-size:15px;font-weight:400}.empty p{font-size:13px;color:#a1aaa5;margin:0}.result-icon{font-size:30px;border:1px solid #e7ede8;border-radius:12px;width:50px;height:55px;display:grid;place-items:center;color:#b3c5b8;margin-bottom:7px}.result-content{overflow-wrap:anywhere;line-height:1.9;font-size:15px;max-height:590px;overflow:auto}.result-content p{margin:0 0 1.2em}.result-content h3,.result-content h4,.result-content h5{margin:1.3em 0 .55em;line-height:1.45}.result-content ul,.result-content ol{padding-left:1.5em;margin:.6em 0 1.2em}.result-content li{margin:.4em 0}.result-content code{background:#eef3f0;border-radius:4px;padding:.12em .35em}.result-content mjx-container[display="true"]{overflow-x:auto;overflow-y:hidden;padding:.4em 0}footer{display:flex;justify-content:space-between;gap:14px;font-size:12px;color:#8d9991;margin-top:20px}.error{font-size:14px;color:#b34436;line-height:1.6;margin-bottom:0}#status{font-size:13px;color:#49816c}.spinner{width:28px;height:28px;border:2px solid #e0eae3;border-top-color:#237255;border-radius:50%;animation:spin 1s linear infinite}[hidden]{display:none!important}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:720px){main{margin:26px auto;padding:0 18px}header{margin-bottom:28px}h1{font-size:19px}.tag{display:none}.workspace{grid-template-columns:1fr}.input-panel,.result-panel{padding:22px}.result-panel{border-left:0;border-top:1px solid #e6ebe7;min-height:280px}.empty{min-height:190px}.result-content{max-height:none}footer{flex-direction:column;font-size:12px;gap:6px}h1 span{margin-left:4px}}@media(prefers-reduced-motion:reduce){.spinner{animation:none}}