.logo.brand{color:var(--ink);letter-spacing:normal;-webkit-font-smoothing:antialiased;flex-shrink:0;align-items:center;gap:10px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Noto Sans CJK SC,sans-serif;font-size:14px;font-weight:400;line-height:1.65;text-decoration:none;display:inline-flex}.logo-mark{background:var(--ink);color:#d9f492;letter-spacing:-2px;border-radius:9px;place-items:center;width:34px;height:34px;padding-right:2px;font-size:19px;font-weight:850;display:grid;transform:rotate(-3deg)}.wordmark{letter-spacing:-1.2px;font-size:23px;font-weight:800;line-height:1}.wordmark span{color:#538261}.brand-sub{letter-spacing:1.85px;color:#8b968b;margin-top:6px;font-size:8px;font-weight:500}.header-inner .brand-sub{letter-spacing:1.6px}.logo.brand:hover,.logo.brand:focus{color:#f04494}@media (max-width:680px){.wordmark{font-size:21px}.logo-mark{border-radius:8px;width:31px;height:31px;font-size:17px}.brand-sub{letter-spacing:1.7px;font-size:7px}}@media (max-width:760px){.logo-mark{width:31px;height:31px}.wordmark{font-size:21px}.brand-sub{font-size:7px}}.logo.brand{--ink:#182d27}:root{--ink:#172c45;--blue:#215caa;--muted:#586c80;--line:#cedbe8;--paper:#f1f6fb;color:var(--ink);background:var(--paper);font-family:Segoe UI,Microsoft YaHei,sans-serif;font-size:16px}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:1160px;margin:auto;padding:28px 32px}header{border-bottom:1px solid var(--line);background:#fff;justify-content:space-between;align-items:center;display:flex}nav{gap:18px;display:flex}a{color:var(--blue);text-underline-offset:4px}nav a{font-size:14px}nav [aria-current]{font-weight:700}h1{letter-spacing:-1.5px;margin:0 0 10px;font-size:42px;line-height:1.2}h2{margin:0 0 10px;font-size:26px}h3{font-size:16px}p{color:var(--muted);margin:8px 0;line-height:1.65}.intro{grid-template-columns:1.2fr 1fr;align-items:center;gap:64px;padding:22px 0 38px;display:grid}.lead{color:var(--ink);font-size:21px}.privacy{background:#e2edf8;border-radius:8px;gap:16px;padding:18px 22px;display:flex}.privacy span{color:var(--blue);font-size:30px}.privacy p{color:#244a70;margin:0}.workspace{grid-template-columns:220px 1fr;gap:24px;display:grid}.tool-list{gap:8px;display:grid;position:sticky;top:24px}.tool-list button{text-align:left;color:var(--muted);background:0 0;border:0;border-radius:6px;padding:16px 20px}.tool-list button.selected{background:var(--blue);color:#fff}.panel{border:1px solid var(--line);background:#fff;border-radius:12px;min-height:500px;padding:32px}.file-picker{background:#f1f7ff;border:1px dashed #799ac0;border-radius:8px;margin-top:24px;padding:26px;display:block}.file-picker strong{color:var(--blue);margin-bottom:12px;display:block}input[type=file]{width:100%;font:inherit;font-size:14px;display:block}button,input,select{font:inherit}button{cursor:pointer;border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:6px;min-height:44px;padding:10px 16px}button:hover{border-color:var(--blue)}button:disabled{opacity:.45;cursor:default}.primary{background:var(--blue);color:#fff;border-color:var(--blue)}:focus-visible{outline-offset:3px;outline:3px solid #ec9e2f}.limits,small{color:var(--muted);font-size:13px;line-height:1.6}.limits{margin:12px 0 20px}.options label{margin-bottom:8px;font-weight:600;display:block}.options input[type=text],select{border:1px solid var(--line);background:#fff;border-radius:6px;width:100%;padding:12px}.options small{margin:6px 0 16px;display:block}.options .check{align-items:center;gap:10px;font-weight:400;display:flex}.options>div{margin:16px 0}.actions{gap:12px;margin-top:24px;display:flex}#status{margin:18px 0}#status.error{color:#a52d35}#file-list{padding:0;list-style:none}#file-list li{border-bottom:1px solid var(--line);align-items:center;gap:8px;padding:10px 0;display:flex}#file-list .name{overflow-wrap:anywhere;flex:1;font-size:14px}#file-list button{padding:6px 10px;font-size:13px}#results{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;display:grid}#results article{background:#f3f7fb;border-radius:6px;padding:16px}#results img{border:1px solid var(--line);max-width:100%;max-height:220px;margin:auto auto 12px;display:block}#results a{overflow-wrap:anywhere;display:block}footer{justify-content:space-between;padding-bottom:40px;font-size:14px;display:flex}[hidden]{display:none!important}@media (max-width:700px){header,main,footer{padding:20px}header{flex-wrap:wrap;gap:20px}nav{gap:14px}.intro{grid-template-columns:1fr;gap:16px;padding:12px 0 24px}h1{font-size:32px}.workspace{grid-template-columns:1fr;gap:16px}.tool-list{flex-wrap:wrap;gap:6px;display:flex;position:static}.tool-list button{padding:10px 12px;font-size:14px}.panel{padding:20px}#file-list li{flex-wrap:wrap}#file-list .name{flex-basis:100%}footer{flex-wrap:wrap;gap:20px}.privacy{padding:14px}.lead{font-size:18px}}.file-picker{cursor:pointer;position:relative}.file-picker strong{margin:0;padding:10px 0}.file-picker input[type=file]{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.file-picker:focus-within{outline-offset:3px;outline:3px solid #ec9e2f}.options .check{min-height:44px}.packet-file{flex-wrap:wrap}.packet-label{flex-basis:100%;min-width:0}.packet-label span{margin-bottom:6px;font-size:13px;display:block}.packet-label input{border:1px solid var(--line);border-radius:6px;width:100%;min-height:44px;padding:10px;display:block}.packet-map{grid-column:1/-1}.packet-map h3{margin-top:0}.packet-map ol{padding-left:24px}.packet-map li{overflow-wrap:anywhere;margin:10px 0;line-height:1.6}