:root{font-family:system-ui,'Microsoft YaHei',sans-serif;color:#302c28;background:#f5f3ef;font-synthesis:none}*{box-sizing:border-box}body{margin:0}main{max-width:1060px;margin:auto;padding:28px 24px 60px}header{display:flex;justify-content:space-between;gap:20px;align-items:center;font-size:13px;color:#777}a{color:inherit;text-underline-offset:4px}header a{text-decoration:none}.eyebrow{margin-top:66px;font-size:12px;letter-spacing:3px;color:#7b795f}h1{font-size:clamp(30px,5vw,50px);letter-spacing:-2px;margin:15px 0}.intro{color:#777;line-height:1.8;margin-bottom:32px}nav{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:24px 0}button,select{font:inherit;border:1px solid #d8d4cc;border-radius:12px;background:#fff;padding:12px 18px;color:inherit;cursor:pointer}button:focus-visible,a:focus-visible,select:focus-visible,.drop:focus-within{outline:3px solid #789578;outline-offset:3px}nav button{text-align:left;padding:20px;font-size:18px}nav span{display:block;font-size:11px;color:#807c74;margin-top:8px}nav button[aria-pressed=true]{background:#35352d;color:#fff;border-color:#35352d}nav button[aria-pressed=true] span{color:#d0d0c3}.workbench{padding:30px;background:#fff;border:1px solid #e4dfd7;border-radius:24px}.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;border:1px dashed #bbb9a6;background:#fafaf5;border-radius:16px;min-height:175px;text-align:center;padding:22px;cursor:pointer}.drop span{font-size:12px;color:#777}.drop input{max-width:100%;font:inherit;font-size:12px}.drop.drag{border-color:#496947;background:#eff5eb}ul{padding:0;list-style:none}li{padding:9px 0;border-bottom:1px solid #eee;font-size:13px;overflow-wrap:anywhere}.settings{display:flex;align-items:end;gap:16px;flex-wrap:wrap;margin:24px 0 14px}.settings label{display:flex;flex-direction:column;gap:8px;font-size:12px}.settings select{min-width:160px}.help{font-size:12px;line-height:1.9;color:#817966}.actions{display:flex;gap:12px;margin:24px 0}.primary{background:#383a2c;color:#fff;border-color:#383a2c;min-width:155px}button:disabled{opacity:.45;cursor:default}#status{font-size:13px;line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere}#results a{display:block;padding:16px;background:#f2f5ec;border:1px solid #dce5ce;border-radius:12px;margin-top:10px;overflow-wrap:anywhere}details{margin:28px 0;padding:20px;border:1px solid #ddd8cf;border-radius:16px;font-size:12px;line-height:1.9;color:#777}summary{cursor:pointer;color:#35352d;font-size:14px}footer{font-size:11px;color:#888;line-height:1.9;margin-top:36px}[hidden]{display:none!important}@media(max-width:640px){main{padding:20px 16px 40px}header{font-size:11px}.eyebrow{margin-top:42px}nav{grid-template-columns:repeat(2,1fr);gap:8px}nav button{padding:16px}.workbench{padding:18px}.settings{gap:12px}.settings select{min-width:120px}.intro{font-size:13px}}