@font-face{font-family:Geist;src:url('/font.woff2') format('woff2');font-style:normal;font-weight:400 700;font-display:swap}
:root{--ground:#f8f8f8;--surface:#fff;--raised:#eee;--border:#e6e6e6;--rule:#f0f0f0;--control:#d4d4d4;--text:#0a0a0a;--muted:#636363;--accent:#141414;--code:#1d5fbf;--negative:#b91c24;--radius:8px;--gap:12px;--font:Geist,"Microsoft YaHei","PingFang SC",sans-serif;color-scheme:light;font-family:var(--font);font-size:14px;color:var(--text);background:var(--ground);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait;color:var(--muted);background:var(--raised)}button,input,select{border:1px solid var(--control);border-radius:6px;min-height:36px}button{background:var(--surface);color:var(--text);padding:8px 12px;display:inline-flex;align-items:center;justify-content:center;gap:8px;line-height:20px}button:hover{background:var(--raised)}button.primary{background:var(--accent);color:white;border-color:var(--accent)}button.primary:hover{background:#333}button.quiet{background:transparent;border-color:transparent}button.danger{color:var(--negative)}button svg,.nav-link svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.6;fill:none;flex:none}input,select{padding:10px 12px;background:var(--surface);color:var(--text);width:100%;min-width:0}input::placeholder{color:var(--muted)}input{caret-color:var(--code)}:focus-visible{outline:2px solid var(--code);outline-offset:3px}::selection{background:#d9e6f8}*{scrollbar-color:#bcbcbc transparent;scrollbar-width:thin}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin:0}h1{font-size:24px;font-weight:500;line-height:1.35;text-wrap:balance}h2{font-size:18px;font-weight:500}p{line-height:1.7}.muted,small{color:var(--muted)}small{font-size:12px}.mono{font-family:Geist,monospace;font-variant-numeric:tabular-nums}.skip{position:fixed;top:-100px;left:16px;z-index:20;background:white;padding:12px}.skip:focus{top:10px}.boot{padding:60px}.shell{display:grid;grid-template-columns:244px minmax(0,1fr);min-height:100dvh}.sidebar{padding:32px 16px 20px;display:flex;flex-direction:column;gap:28px;position:sticky;top:0;height:100dvh;border-right:1px solid var(--border)}.brand{display:flex;align-items:center;gap:12px;padding:0 12px}.brand-mark{width:30px;height:34px;flex:none;stroke:currentColor;stroke-width:1.7;fill:none}.brand-name{font-size:21px;letter-spacing:-.03em;font-weight:500}.domain{font-size:12px;color:var(--muted);margin-top:3px}.sidebar nav{display:grid;gap:4px}.nav-link{display:flex;align-items:center;gap:12px;min-height:42px;padding:10px 12px;border-radius:6px}.nav-link:hover{background:#f0f0f0}.nav-link.active{background:#e9e9e9}.nav-count{margin-left:auto;font-size:12px;font-variant-numeric:tabular-nums}.sidebar-foot{margin-top:auto;border-top:1px solid var(--border);padding:16px 12px 0;display:grid;gap:10px}.sidebar-foot button{justify-content:flex-start;padding-left:0}.sidebar-note{font-size:12px;line-height:1.7;color:var(--muted)}.mobile-bar{display:none}.workspace{padding:34px 32px 24px;min-width:0}.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.page-sub{font-size:13px;color:var(--muted);margin-top:7px}.head-actions{display:flex;gap:8px;align-items:center}.sync-text{font-size:12px;color:var(--muted);white-space:nowrap}.inbox{display:grid;grid-template-columns:354px minmax(0,1fr);border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);height:calc(100dvh - 141px);min-height:480px;overflow:hidden}.inbox-list{display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--border);min-width:0}.filters{padding:18px 18px 0}.filters input{font-size:13px;min-height:38px}.filter-row{display:flex;gap:8px;align-items:center;margin-top:10px}.filter-row select{font-size:12px;min-height:36px;padding:6px 8px}.tabs{display:flex;border-bottom:1px solid var(--border);margin-top:12px;gap:22px}.tabs button{border:0;background:transparent;border-radius:0;padding:10px 0;color:var(--muted);position:relative}.tabs button.active{color:var(--text)}.tabs button.active:after{content:"";position:absolute;height:2px;left:0;right:0;bottom:0;background:var(--text)}.messages{overflow:auto;flex:1;min-height:0}.message-row{display:block;text-align:left;border:0;border-bottom:1px solid var(--rule);border-radius:0;width:100%;padding:18px;min-height:120px;background:white}.message-row:hover{background:#f6f6f6}.message-row.selected{background:#eee}.message-line{display:flex;align-items:center;gap:8px}.sender{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;flex:1}.unread .sender{font-weight:600}.unread-dot{width:6px;height:6px;border-radius:50%;background:var(--code);flex:none}.message-time{font-size:11px;color:var(--muted);white-space:nowrap}.message-subject{font-size:14px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;margin-top:8px}.message-address{font-size:12px;color:var(--muted);overflow:hidden;white-space:nowrap;text-overflow:ellipsis;margin-top:5px}.message-preview{font-size:12px;color:var(--muted);white-space:nowrap;text-overflow:ellipsis;overflow:hidden;margin-top:7px}.code-inline{font-size:13px;color:var(--code);font-variant-numeric:tabular-nums}.list-footer{padding:10px 18px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px;color:var(--muted)}.message-detail{min-width:0;overflow:auto;padding:24px 28px}.detail-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:26px}.detail-toolbar button{min-width:36px}.detail-date{font-size:12px;color:var(--muted)}.detail-title{font-size:21px;line-height:1.5;overflow-wrap:anywhere;margin-bottom:18px;font-weight:500}.metadata{display:grid;grid-template-columns:54px 1fr;gap:10px;font-size:12px;line-height:1.6;margin:0 0 26px}.metadata dt{color:var(--muted)}.metadata dd{margin:0;overflow-wrap:anywhere}.copy-inline{padding:0 4px;min-height:22px;border:0;background:transparent;vertical-align:middle}.copy-inline svg{width:13px;height:13px}.code-well{padding:19px 0 22px;border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin-bottom:26px;display:flex;justify-content:space-between;gap:16px;align-items:center}.code-label{font-size:12px;color:var(--muted);margin-bottom:7px}.code-value{font-size:30px;color:var(--code);font-weight:500;font-variant-numeric:tabular-nums;letter-spacing:.06em;overflow-wrap:anywhere}.mail-body{font:14px/1.9 var(--font);white-space:pre-wrap;overflow-wrap:anywhere;margin:0;max-width:76ch}.body-note{margin-top:20px;font-size:12px;color:var(--muted)}.empty{padding:52px 28px;text-align:center;display:flex;flex-direction:column;gap:10px;align-items:center;justify-content:center}.empty svg{width:34px;height:34px;stroke:#777;stroke-width:1.25;fill:none;margin-bottom:8px}.empty h2{font-size:16px;font-weight:500}.empty p{font-size:13px;color:var(--muted);max-width:30em}.detail-empty{height:100%}.back-button{display:none}.error{font-size:13px;color:var(--negative);line-height:1.6}.block-error{padding:20px}.address-tools{display:flex;align-items:center;gap:16px;margin-bottom:20px}.address-tools input{max-width:340px}.address-tools small{margin-left:auto}.address-table{width:100%;border-collapse:collapse;table-layout:fixed}.address-table th{text-align:left;color:var(--muted);font-size:12px;font-weight:400;padding:12px}.address-table td{padding:17px 12px;border-top:1px solid var(--border);font-size:13px;overflow-wrap:anywhere}.address-table th:first-child{width:44%}.address-table td:nth-child(3),.address-table th:nth-child(3){text-align:right;width:80px;font-variant-numeric:tabular-nums}.address-table td:last-child,.address-table th:last-child{text-align:right;width:150px}.address-title{font-size:14px;display:inline-block;margin-right:6px}.address-date{color:var(--muted);font-size:12px}.inline-form{padding:24px;background:white;border:1px solid var(--border);border-radius:8px;margin-bottom:24px;max-width:720px}.inline-form h2{margin-bottom:18px}.input-joined{display:flex;align-items:center;border:1px solid var(--control);border-radius:6px;overflow:hidden;background:white}.input-joined input{border:0;border-radius:0}.input-joined span{padding:0 12px;color:var(--muted);white-space:nowrap}.form-help{font-size:12px;color:var(--muted);margin:8px 0 16px;line-height:1.7}.form-actions{display:flex;align-items:center;gap:10px;margin-top:20px}.form-actions .error{flex:1}.field{display:grid;gap:8px;margin-bottom:18px}.field label{font-size:13px;font-weight:500}.settings{max-width:900px}.settings-section{display:grid;grid-template-columns:minmax(200px,1fr) minmax(280px,1.2fr);gap:44px;padding:28px 0;border-top:1px solid var(--border)}.settings-section h2{font-size:16px;margin-bottom:10px}.settings-section p{color:var(--muted);font-size:13px;max-width:34em}.settings-section dl{margin:0}.settings-section dt{font-size:12px;color:var(--muted);margin-bottom:6px}.settings-section dd{margin:0 0 20px}.login-wrap{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px}.login-wrap .brand{margin-bottom:42px;align-self:center}.login-panel{width:100%;max-width:380px}.login-panel h1{font-size:26px;margin-bottom:10px}.login-panel>p{font-size:14px;color:var(--muted);margin-bottom:30px}.login-panel button.primary{width:100%;margin-top:6px}.login-foot{font-size:12px;color:var(--muted);margin-top:30px;text-align:center}.login-panel .error{margin-bottom:10px}.force-password{max-width:440px;margin:8vh auto}.force-password h1{margin-bottom:10px}.force-password>p{margin-bottom:26px;color:var(--muted);font-size:14px}dialog{padding:26px;border:0;border-radius:10px;box-shadow:0 16px 64px #0003;width:calc(100% - 32px);max-width:440px}dialog::backdrop{background:#0005}dialog h2{margin-bottom:14px}dialog p{font-size:14px;color:var(--muted);margin-bottom:20px}dialog .form-actions{justify-content:flex-end}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--accent);color:white;border-radius:6px;padding:12px 18px;max-width:calc(100% - 32px);font-size:13px;z-index:50;display:none}#toast.visible{display:block}.all-count{font-variant-numeric:tabular-nums}.menu-close{display:none}.load-more{margin:24px auto;display:flex}.hidden{display:none!important}
/* Desktop: 244px navigation + 64px gutters + 354px list + remaining reader. */
@media(min-width:1600px){.workspace{padding-left:40px;padding-right:40px}.inbox{grid-template-columns:390px minmax(0,1fr)}}
@media(max-width:1100px){.shell{grid-template-columns:190px minmax(0,1fr)}.sidebar{padding:26px 12px}.workspace{padding:28px 20px}.inbox{grid-template-columns:310px minmax(0,1fr)}.message-detail{padding:20px}.sync-text{display:none}.detail-title{font-size:18px}.head-actions button{padding:8px 10px}}
@media(max-width:900px){.shell{display:block}.mobile-bar{display:flex;height:58px;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--border);background:var(--ground)}.mobile-bar .brand{padding:0;gap:8px}.mobile-bar .brand-mark{height:25px;width:24px}.mobile-bar .brand-name{font-size:18px}.mobile-bar .domain{display:none}.sidebar{display:none}.sidebar.open{display:flex;position:fixed;inset:0;height:100dvh;z-index:30;width:100%;padding:28px}.menu-close{display:block;position:absolute;right:24px;top:25px}.sidebar nav{margin-top:12px}.nav-link{min-height:48px}.workspace{padding:24px 20px}.inbox{height:calc(100dvh - 190px)}.settings-section{gap:24px}.page-head{margin-bottom:20px}}
@media(max-width:640px){button,input,select{min-height:44px}h1{font-size:22px}.workspace{padding:22px 16px}.page-head{gap:8px;align-items:flex-start}.head-actions{gap:4px}.head-actions button{font-size:13px}.head-actions .refresh-label{display:none}.page-sub{font-size:12px;line-height:1.6}.inbox{display:block;height:calc(100dvh - 191px);min-height:420px}.inbox-list{height:100%;border-right:0}.message-detail{display:none;height:100%;padding:20px}.inbox.has-detail .inbox-list{display:none}.inbox.has-detail .message-detail{display:block}.back-button{display:inline-flex}.filters{padding:14px 14px 0}.filter-row select{min-height:40px}.message-row{padding:17px 16px}.message-time{font-size:12px}.detail-toolbar{margin-bottom:22px}.detail-date{font-size:11px}.detail-title{font-size:20px}.code-value{font-size:30px}.code-well button{padding:8px}.address-tools{gap:8px}.address-tools input{max-width:100%}.address-tools small{white-space:nowrap}.address-table thead{display:none}.address-table,.address-table tbody{display:block}.address-table tr{display:grid;grid-template-columns:1fr auto;padding:16px 0;border-top:1px solid var(--border);gap:8px}.address-table td{border:0;padding:0;min-width:0}.address-table td:first-child{grid-column:1/-1}.address-table td:nth-child(2){font-size:12px;align-self:center}.address-table td:nth-child(3){width:auto;text-align:left;color:var(--muted);font-size:12px;align-self:center}.address-table td:nth-child(3):after{content:' 封邮件'}.address-table td:last-child{width:auto;grid-column:1/-1;display:flex;justify-content:flex-end;gap:8px}.address-title{font-size:14px}.inline-form{padding:18px}.settings-section{display:block;padding:24px 0}.settings-section>div:first-child{margin-bottom:24px}.settings-section p{max-width:none}.form-actions{flex-wrap:wrap}.form-actions .error{flex-basis:100%}.input-joined span{padding:0 8px;font-size:12px}.login-wrap{justify-content:flex-start;padding-top:14vh}.force-password{margin:20px auto}.mobile-bar button{min-height:38px}.list-footer button{min-height:36px}.copy-inline{min-height:32px;min-width:32px}.detail-toolbar button{min-height:40px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}