:root{color-scheme:light;--nav:#14252b;--ink:#172a31;--muted:#728187;--border:#e3e9eb;--green:#176953;--lime:#c2f17b;--page:#f3f6f7;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;font-size:16px}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--page)}[hidden]{display:none!important}button,input{font:inherit}button,a,input{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait;opacity:.55}a{color:inherit;text-decoration:none}button{border:0;background:none;color:inherit}button:focus-visible,a:focus-visible{outline:3px solid #65b29b;outline-offset:3px}input{min-width:0;border:1px solid #d9e2e4;border-radius:9px;padding:12px 14px;outline:none;background:#fff;color:var(--ink)}input:focus{border-color:#277d65;box-shadow:0 0 0 3px 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button.active{color:var(--green);border-bottom-color:var(--green)}#message-text{font-family:inherit;font-size:14px;line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere;min-height:200px;margin:22px 0}#message-html{border:0;width:100%;height:480px;background:white;margin-top:15px}.preview-note{font-size:11px;color:#9ba9a3;margin-top:16px}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#173d30;color:#fff;padding:13px 22px;border-radius:9px;font-size:14px;box-shadow:0 5px 30px #173d3033;z-index:10;max-width:90vw}.toast.error-toast{background:#8c3f36}.loading{color:#8d9e96;padding:70px 20px;text-align:center;font-size:14px}@media(min-width:1600px){.main{max-width:1600px}.mail-surface{min-height:620px;grid-template-columns:360px minmax(0,1fr)}.mailbox-list{min-height:440px}.inbox-empty{min-height:620px}}@media(max-width:1150px){.sidebar{width:185px;padding-left:12px;padding-right:12px}.main{margin-left:185px;width:calc(100% - 185px)}.sidebar .brand{font-size:21px;gap:8px}.brand-en{font-size:8px}.brand-icon{width:36px;height:36px}.topbar{padding:0 23px}.page-heading{padding:26px 23px 22px;align-items:flex-start}.heading-actions{flex-direction:column}.summary-strip,.mail-surface{margin-left:23px;margin-right:23px}.summary-strip .retention{display:none}.mail-surface{grid-template-columns:255px minmax(0,1fr)}.address-line{align-items:flex-start}.inbox-heading{padding:22px 18px}.inbox-controls{align-items:flex-start}.inbox-controls>div{gap:7px;flex-wrap:wrap}.page-footer{margin-left:23px;margin-right:23px}}@media(max-width:850px){.sidebar{width:72px;padding:24px 9px}.sidebar .brand{margin:0 auto 28px}.sidebar .brand>span:last-child,.nav-section,.nav-item b,.sidebar-bottom,.connected-title,.integrations{display:none}.nav-item{font-size:0;padding:13px 16px}.nav-item>span{font-size:20px}.main{margin-left:72px;width:calc(100% - 72px)}.mail-surface{grid-template-columns:230px minmax(0,1fr)}.page-heading 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h2{font-size:18px}.server-tag{font-size:10px}.breadcrumb{font-size:12px}}

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.domain-status{display:block;font-size:12px;font-weight:400;line-height:1.8;color:#80918a;margin-top:8px}#domain-input{font-family:Consolas,"Microsoft YaHei",monospace;font-size:14px}