:root{color-scheme:dark;font-family:"Microsoft YaHei",system-ui,sans-serif;background:#101a2b;color:#edf4ff}body{margin:0}main{max-width:1000px;margin:auto;padding:36px 24px}header span{letter-spacing:4px;color:#87b9ff;font-size:12px}h1{font-size:34px;margin:12px 0}header p{color:#7de3ba}section{margin:30px 0;padding:28px;background:#192840;border-radius:20px}label{display:block;margin:16px 0}input,textarea{font-family:inherit;display:block;box-sizing:border-box;width:100%;padding:15px;margin-top:8px;border-radius:9px;border:1px solid #536786;background:#101a2b;color:white;font-size:20px}textarea{resize:vertical}button{padding:13px 20px;border:0;border-radius:9px;background:#91baff;color:#102039;font-size:17px;cursor:pointer;margin:4px;min-height:48px}button:disabled{opacity:.45;cursor:wait}#clear{background:#d6dfea}#display{font-size:clamp(45px,10vw,120px);font-weight:bold;min-height:180px;display:flex;align-items:center;justify-content:center;overflow-wrap:anywhere;text-align:center}#task-display{white-space:pre-wrap;overflow-wrap:anywhere;font-size:clamp(24px,4vw,46px);line-height:1.5;text-align:center;color:#c8dcff;margin:10px 0 28px}#detail{text-align:center;color:#a9c4ed}.check input{display:inline;width:auto}#warning,#feedback{color:#ffd48c}li{padding:14px 0;border-bottom:1px solid #3c4d69;overflow-wrap:anywhere}.hint{font-size:14px;color:#a9c4ed;line-height:1.6}.history-task{white-space:pre-wrap}footer,a{color:#a9c4ed}#receiver:fullscreen{box-sizing:border-box;width:100%;height:100%;background:#101a2b;padding:40px;overflow:auto}#receiver:fullscreen #display{min-height:25vh}[hidden]{display:none!important}@media(max-width:480px){main{padding:20px 12px}section{padding:18px 14px;border-radius:14px;margin:20px 0}h1{font-size:28px}button{width:100%;margin:5px 0}#display{min-height:120px}#receiver:fullscreen{padding:18px}}