:root{font-family:Inter,"Microsoft YaHei",sans-serif;color:#26364a;background:#f5f7fa;font-size:14px}*{box-sizing:border-box}body{margin:0}a{color:#245fc0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:3px}button{cursor:pointer}.settings-top{height:64px;padding:0 32px;display:flex;align-items:center;gap:24px;background:white;border-bottom:1px solid #dde4ec;position:sticky;top:0;z-index:3}.settings-brand{text-decoration:none;color:#163351;font-weight:750;font-size:18px}.settings-brand span{font-size:11px;background:#e7efff;padding:4px 6px;border-radius:5px}.settings-top>b{flex:1;color:#637387;font-weight:500}.settings-page{max-width:1180px;margin:auto;padding:32px}.settings-intro h1{font-size:28px;letter-spacing:-.6px;margin:10px 0}.settings-intro p,.setting-card p{color:#637387;line-height:1.75}.eyebrow{font-size:12px;color:#476c9c;font-weight:650}.settings-layout{display:grid;grid-template-columns:175px minmax(0,1fr);gap:32px}.settings-nav{position:sticky;top:88px;align-self:start;display:flex;flex-direction:column;gap:6px}.settings-nav a{padding:11px 14px;border-radius:7px;text-decoration:none;color:#53657a}.settings-nav a:hover,.settings-nav a.active{background:#e7effc;color:#245fc0}.settings-content>section{scroll-margin-top:84px}.settings-content>section>h2{font-size:18px;margin:24px 0 14px}.settings-content>section:first-child>h2{margin-top:0}.setting-card{padding:24px;background:white;border:1px solid #dde4ec;border-radius:12px;margin-bottom:18px}.setting-card h2,.setting-card h3{margin:0 0 8px}.setting-card h3{font-size:16px}.card-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.status{display:inline-block;font-size:11px;padding:4px 8px;border-radius:5px;background:#edf2fa;color:#52637d;white-space:nowrap}.status.active{background:#e1f3eb;color:#237253}.status.pending{background:#fff4df;color:#91651e}.setting-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:18px 0}.setting-field{display:flex;flex-direction:column;gap:7px;font-size:12px;font-weight:600}.setting-field input,.setting-field select,.setting-field textarea,#password{width:100%;border:1px solid #ced8e5;border-radius:6px;background:white;color:#26364a;padding:10px 11px;font-size:13px;font-weight:400}.setting-field textarea{min-height:90px;resize:vertical}.setting-field small{color:#778597;font-size:11px;line-height:1.5;font-weight:400}.setting-field.wide{grid-column:1/-1}.setting-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.btn{display:inline-flex;justify-content:center;align-items:center;gap:6px;text-decoration:none;padding:8px 13px;border:1px solid #cdd7e3;border-radius:6px;background:white;color:#39516f;font-size:12px}.btn.primary{background:#2863b7;border-color:#2863b7;color:white}.btn:disabled{cursor:wait;opacity:.6}.form-status{font-size:12px;color:#506a88;line-height:1.65;white-space:pre-wrap}.secret-control{display:flex;gap:8px;align-items:center;color:#748196;font-size:11px;margin:-6px 0 18px}.readiness{padding:16px 20px;background:#edf3fb;border:1px solid #d8e4f4;border-radius:9px;margin:24px 0;display:flex;flex-direction:column;gap:7px}.readiness span{font-size:12px;color:#62758e}.login-card{max-width:500px;margin-top:28px}#loginForm{display:grid;gap:12px}#loginForm label{font-size:12px}.mailbox-config{padding:16px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;margin:12px 0}.mailbox-config .setting-grid{margin:10px 0}details>summary{cursor:pointer;padding:10px 0;color:#596e87;font-size:12px}.status-grid{display:grid;grid-template-columns:160px 1fr;gap:12px;font-size:12px;line-height:1.6;margin:18px 0}.status-grid dt{color:#768497}.status-grid dd{margin:0}.audit-row{font-size:12px;padding:8px 0;border-bottom:1px solid #edf1f6}.policy-list{padding-left:18px;color:#53677d;line-height:1.9;font-size:13px}[hidden]{display:none!important}@media(max-width:760px){.settings-page{padding:20px 14px}.settings-top{padding:0 14px;gap:12px}.settings-top>b{display:none}.settings-layout{grid-template-columns:1fr;gap:8px}.settings-nav{position:static;flex-direction:row;overflow:auto}.settings-nav a{white-space:nowrap}.setting-grid{grid-template-columns:1fr}.setting-card{padding:18px}.card-heading{align-items:start}.settings-intro h1{font-size:24px}}