:root{color-scheme:dark;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:#030712;color:#edf3fc}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 80% 0%,#07172c,transparent 55%)}[hidden]{display:none!important}a{color:inherit;text-decoration:none}a:hover{color:#ff9a51}header{border-bottom:1px solid #ffffff14}.bar,main,footer{width:min(calc(100% - 48px),1080px);margin:auto}.bar{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px}.bar img{display:block;height:auto}nav{display:flex;gap:24px;font-size:14px;color:#b8c1d1}main{margin:54px auto 70px}.eyebrow{font-size:12px;letter-spacing:.14em;color:#94a1b6}h1{font-size:clamp(30px,5vw,46px);font-weight:500;margin:16px 0}h2{font-size:18px;font-weight:500;margin:0 0 16px}.intro,.card p{color:#a8b5c8;line-height:1.8}.card{border:1px solid #344053;border-radius:20px;background:#ffffff03;padding:24px}button,.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid #344053;border-radius:10px;background:#ffffff06;color:#edf3fc;padding:11px 17px;font:inherit;font-size:14px;cursor:pointer}button:hover,.button:hover{border-color:#ff9a51;color:#ff9a51}button:disabled{opacity:.5;cursor:wait}.primary{background:#ed7a25;color:#111;border-color:#ed7a25;font-weight:600}.primary:hover{background:#ff9a51;color:#111}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid #ff9a51;outline-offset:3px}label{display:block;color:#b8c1d1;font-size:14px;margin:18px 0 8px}input,select,textarea{display:block;width:100%;margin-top:9px;border:1px solid #344053;border-radius:10px;padding:12px;background:#080e1c;color:#edf3fc;font:inherit}textarea{resize:vertical;line-height:1.6}form button{margin-top:18px}.actions{display:flex;align-items:center;gap:10px;margin:26px 0 18px}.actions h2{flex:1;margin:0;overflow-wrap:anywhere}.layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:20px}.thread{display:block;text-align:left;width:100%;margin-bottom:12px;line-height:1.5}.thread.active{border-color:#ff9a51}.thread-title{display:block;overflow-wrap:anywhere}.thread-meta{display:block;color:#94a1b6;font-size:12px;margin-top:7px}.unread{color:#ff9a51}.status{color:#a8b5c8;font-size:12px}.conversation .actions{margin:0 0 22px}#notice{min-height:26px;color:#a8b5c8;line-height:1.7;overflow-wrap:anywhere}#notice.error{color:#ffb4a5}#messages{max-height:480px;overflow:auto;padding:4px;display:flex;flex-direction:column;gap:16px}.message{align-self:flex-start;max-width:90%;border:1px solid #344053;border-radius:14px;padding:13px 16px;background:#0e1727}.message.customer{align-self:flex-end;background:#362116;border-color:#7c4b26}.message p{white-space:pre-wrap;overflow-wrap:anywhere;margin:6px 0;color:#edf3fc}.message small{color:#94a1b6;font-size:11px}footer{border-top:1px solid #ffffff14;padding:26px 0 34px;color:#8591a5;font-size:12px}#guest-toggle{margin-left:10px}#guest-form{max-width:520px}@media(max-width:720px){.bar,main,footer{width:calc(100% - 32px)}.bar{min-height:78px;gap:12px}.bar img{width:140px}nav{gap:12px;font-size:12px}main{margin:36px auto 50px}.layout{grid-template-columns:1fr}.card{padding:18px}.actions{flex-wrap:wrap}.actions button{font-size:12px;padding:9px 12px}#guest-toggle{margin:12px 0 0}#threads{max-height:240px;overflow:auto}.message{max-width:95%}}
#account-entry{border-top:1px solid #ffffff14;margin-top:26px;padding-top:12px}#account-entry p{font-size:13px}#session-retry{margin:0 0 20px}#welcome #guest-form{max-width:520px}#welcome{max-width:760px}

.notification-preferences{margin:12px 0 20px;color:#a7b0c0}.notification-preferences label{display:flex;align-items:center;gap:8px}.notification-preferences input[type=checkbox]{width:auto;margin:0}.notification-preferences p{margin:6px 0}