:root{font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:#243343;background:#f4f6f8;font-size:14px;line-height:1.65}*{box-sizing:border-box}body{margin:0}header{height:76px;background:#fff;border-bottom:1px solid #dde3e9;display:flex;align-items:center;justify-content:space-between;padding:0 32px}header strong{font-size:19px}header span{margin-left:20px;color:#6a7580}.layout{display:grid;grid-template-columns:220px minmax(0,1fr);max-width:1500px;margin:auto;min-height:calc(100vh - 120px)}nav{padding:28px 20px;border-right:1px solid #dde3e9}nav>button{display:block;width:100%;margin-bottom:12px;text-align:left}nav p{font-size:12px;color:#687582;margin-top:28px}nav form{margin-top:32px}main{padding:28px 36px;min-width:0}section{background:#fff;padding:28px;border:1px solid #dde3e9;border-radius:8px}h1{font-size:23px;margin:0 0 20px}h2{font-size:17px;margin:24px 0 12px}p{overflow-wrap:anywhere}button,a.button{font:inherit;background:#fff;border:1px solid #bec9d4;padding:8px 15px;border-radius:5px;color:#23394f;cursor:pointer;display:inline-block;text-decoration:none}button:hover{background:#edf3f7}button.primary{background:#245781;color:#fff;border-color:#245781}button:disabled{opacity:.55;cursor:not-allowed}input,select,textarea{font:inherit;width:100%;padding:9px 10px;border:1px solid #b9c5d0;border-radius:4px;background:white;color:inherit}textarea{resize:vertical;min-height:96px}label{display:block;font-size:13px;margin:0 0 5px;color:#526475}.fields{display:grid;grid-template-columns:1fr 1fr;gap:17px 24px}.wide{grid-column:1/-1}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.muted{color:#687582;font-size:13px}#notice:not(:empty){border-left:3px solid #326889;background:#eaf2f7;padding:12px 16px;margin-bottom:18px;white-space:pre-line;overflow-wrap:anywhere}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;border-bottom:1px solid #e3e8ed;padding:12px 10px;white-space:nowrap}th{font-size:12px;color:#687582;background:#f8fafb}td:first-child{white-space:normal;min-width:160px}.status{display:inline-block;background:#eff3f5;border:1px solid #dee6ec;padding:2px 8px;border-radius:4px;font-size:12px}dl{display:grid;grid-template-columns:130px 1fr;gap:8px 16px}dt{color:#687582}dd{margin:0;overflow-wrap:anywhere}.quote{border-left:3px solid #c6d4df;padding:8px 16px;background:#f8fafc;white-space:pre-wrap}footer{font-size:12px;color:#75818d;text-align:center;padding:12px}@media(max-width:800px){header{padding:0 16px}header span{display:none}.layout{grid-template-columns:1fr}nav{border-right:0;border-bottom:1px solid #dde3e9;padding:15px;display:flex;flex-wrap:wrap;gap:10px}nav>button{width:auto;margin:0}nav form{margin:0;display:flex;align-items:center;gap:8px;flex-wrap:wrap}nav p{display:none}main{padding:16px}section{padding:18px}.fields{grid-template-columns:1fr}.wide{grid-column:auto}dl{grid-template-columns:100px minmax(0,1fr)}}

.product-brand{display:flex;align-items:center;gap:10px;min-width:0}.product-brand>img{flex:none;border-radius:8px}.product-brand>div{min-width:0}
/* Business action sections keep long Offer forms easy to scan. */
details{margin:16px 0;border:1px solid #dde3e9;border-radius:6px;background:#fff;padding:14px 18px}summary{cursor:pointer;font-weight:600}details form{margin-top:16px}details label{margin-bottom:14px}input[type=checkbox]{width:auto;margin-right:8px;vertical-align:middle}