:root{font-family:"Microsoft YaHei",system-ui,sans-serif;color:#15352e;background:#f5f3ea;line-height:1.55}
*{box-sizing:border-box}
body{margin:0}
.top{display:flex;justify-content:space-between;align-items:center;max-width:1150px;margin:auto;padding:26px 32px;border-bottom:1px solid #d8dfd3}
.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:750}
.mark{display:grid;place-items:center;width:37px;height:37px;border-radius:8px;background:#173e33;color:#e0efcc}
.tag,.label{font-size:13px;font-weight:700;color:#365d4f}
.tag{background:#e2ecd9;padding:5px 12px;border-radius:5px}
main{max-width:1150px;margin:auto;padding:44px 32px 60px}
.intro{max-width:690px;margin-bottom:32px}
.label{letter-spacing:.12em;margin:0 0 8px}
h1{font-size:clamp(32px,5vw,54px);line-height:1.18;letter-spacing:-.055em;margin:0 0 16px}
.intro>p:last-child{color:#48665b;font-size:17px;margin:0}
.layout{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(240px,1fr);gap:22px;align-items:start}
.panel,.guide{border-radius:14px;padding:25px 26px}
.panel{background:#fffefa;border:1px solid #d9e1d4;box-shadow:0 8px 25px #183a2710}
nav{display:flex;gap:22px;border-bottom:1px solid #dfe4da;margin-bottom:20px}
button,input,textarea{font:inherit}
button{cursor:pointer}
.tab{border:0;border-bottom:3px solid transparent;background:transparent;color:#436157;padding:8px 0 11px;font-weight:700}
.tab.active{color:#173e33;border-color:#356a52}
form{display:grid;gap:17px}
label{display:grid;gap:5px;font-size:14px;font-weight:700}
label small{display:inline;color:#596c62;font-weight:400}
.fields{display:grid;grid-template-columns:2fr 1fr;gap:12px}
input,textarea{display:block;width:100%;min-width:0;border:1px solid #cbd7c9;border-radius:7px;padding:10px 12px;background:#fff;color:#173e33;font-weight:400}
input:focus,textarea:focus,button:focus-visible{outline:2px solid #458264;outline-offset:2px}
textarea{resize:vertical}
.primary{display:flex;justify-content:space-between;gap:24px;width:max-content;max-width:100%;background:#173e33;color:#fff;border:0;border-radius:7px;padding:10px 15px;font-weight:700}
button:disabled{opacity:.6;cursor:wait}
.guide{background:#173e33;color:#eff6e7}
h2{font-size:20px;margin:0}
ol{padding-left:24px;margin:16px 0 0}
li{padding:0 0 13px 5px}
li:last-child{padding-bottom:0}
li p{font-size:14px;color:#d6e7d5;margin:3px 0 0}
.feedback{color:#315b49;font-size:14px;margin:14px 0 0}
.feedback:empty{display:none}
.feedback.error{color:#923a29}
.result{padding:17px;margin-top:16px;background:#edf3e8;border-radius:8px}
.result-head{display:flex;justify-content:space-between;gap:12px;align-items:baseline}
progress{width:100%;height:13px;accent-color:#397859}
.result p{font-size:14px;margin:6px 0}
.receipt{display:grid;grid-template-columns:1fr auto;align-items:end;gap:8px;margin-top:13px}
.receipt input,code{font-family:Consolas,monospace}
#copy{padding:10px 14px;border:1px solid #9bb49f;border-radius:6px;background:#fff;color:#173e33}
.browser-box{border-top:1px solid #cbd7c9;margin-top:17px;padding-top:14px}
.browser-box h3{margin:0 0 8px;font-size:16px}
.browser-box img{display:block;object-fit:contain;max-width:100%;background:#fff;border:1px solid #cbd7c9;border-radius:6px}
.consent{display:flex;align-items:baseline;gap:8px;margin-bottom:10px}
.consent input{width:auto;flex:none;margin:0}
[hidden]{display:none!important}
@media(max-width:730px){.top{padding:18px 17px}main{padding:30px 17px 40px}.layout,.fields{grid-template-columns:1fr}.panel,.guide{padding:19px}.intro{margin-bottom:23px}}