:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#243d34;background:#f7f8f4;font-synthesis:none;--green:#1e493a;--muted:#7b8982;--line:#e2e7df}
*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #89b69d;outline-offset:4px}button{border:0}button,a,input{-webkit-tap-highlight-color:transparent}[hidden]{display:none!important}.shell{max-width:1280px;margin:0 auto;padding:0 48px}.header{height:108px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;gap:13px;align-items:center;text-decoration:none;color:var(--green);font-size:20px;font-weight:650;letter-spacing:.02em}.brand-icon{display:grid;place-content:center;width:42px;height:42px;background:var(--green);color:#fff;border-radius:12px;font:30px Georgia,serif}.brand-light{font-weight:400}.header-actions{display:flex;gap:20px;align-items:center}.private-label{color:var(--muted);font-size:12px;display:flex;align-items:center;gap:8px}.dot{display:inline-block;width:6px;height:6px;background:#609579;border-radius:100%}.eyebrow{font-size:10px;letter-spacing:.16em;font-weight:650;color:var(--muted)}h1{font-size:40px;font-weight:550;letter-spacing:-.045em;margin:15px 0 12px;line-height:1.3}.intro{font-size:14px;color:var(--muted);line-height:1.8;margin:0}.page-heading{display:flex;align-items:flex-end;justify-content:space-between;padding:55px 0 32px}.live{font-size:12px;color:#698570;display:flex;align-items:center;gap:7px;padding-bottom:5px}.address-card{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#e9efe4;border:1px solid #dce5d5;border-radius:14px;padding:24px 28px;margin-bottom:30px}.small-label{font-size:11px;color:var(--muted);letter-spacing:.03em}.address{font-size:23px;letter-spacing:-.025em;margin-top:9px;overflow-wrap:anywhere}.copy-button{background:#fff;color:var(--green);border:1px solid #d9e1d4;border-radius:8px;padding:11px 15px;font-size:12px;white-space:nowrap}.copy-button span{margin-left:14px}.inbox-layout{display:grid;grid-template-columns:360px minmax(0,1fr);min-height:440px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:white}.inbox-panel{border-right:1px solid var(--line)}.panel-heading{height:65px;border-bottom:1px solid var(--line);padding:0 23px;display:flex;align-items:center;justify-content:space-between}.panel-heading h2{font-size:14px;font-weight:550;display:flex;gap:9px;align-items:center}.count{background:#edf1e9;border-radius:5px;padding:2px 6px;font-size:10px;font-weight:500}.quiet{background:none;color:var(--muted);padding:6px 0;font-size:12px}.quiet:hover{color:var(--green)}.quiet span{margin-left:6px}.message-list{max-height:530px;overflow:auto}.message{display:block;width:100%;padding:20px 23px;border-bottom:1px solid #edf0e9;text-align:left;background:white;color:#243d34}.message:hover{background:#f7f9f3}.message.selected{background:#eef3e8;box-shadow:inset 3px 0 var(--green)}.message-top{display:flex;align-items:center;justify-content:space-between;gap:9px;font-size:12px}.message-from{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:550}.message-time{font-size:10px;color:var(--muted);white-space:nowrap}.message-title{font-size:12px;line-height:1.6;margin:9px 0 0;color:#65766c;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.message.unread .message-from:before{content:"";display:inline-block;width:5px;height:5px;margin-right:7px;border-radius:50%;background:#477f5e}.code-tag{display:inline-block;margin-top:9px;font-family:ui-monospace,monospace;color:#376549;font-size:12px;letter-spacing:.1em}.reader-panel{min-width:0;padding:27px 30px}.reader-placeholder{display:flex;min-height:380px;flex-direction:column;align-items:center;justify-content:center;color:#a1aca2;font-size:13px}.reader-symbol{font-size:32px;font-weight:300;margin-bottom:4px}.empty-state{text-align:center;padding:70px 20px;color:#a0ada0}.empty-state h3{font-size:14px;font-weight:500;color:#6c7e6c;margin:20px 0 10px}.empty-state p{font-size:12px;line-height:1.9;margin:0}.reader-top{display:flex;justify-content:space-between;align-items:center;gap:15px}.danger:hover{color:#ab5147}#reader-subject{font-size:21px;font-weight:550;line-height:1.5;margin:22px 0 11px;overflow-wrap:anywhere}.sender{font-size:12px;color:var(--muted);line-height:1.7;overflow-wrap:anywhere}.code-card{display:flex;align-items:center;justify-content:space-between;padding:19px 22px;background:#f1f5eb;border-radius:10px;margin:28px 0}.code-card strong{font:32px ui-monospace,SFMono-Regular,monospace;letter-spacing:.18em;display:block;margin-top:10px;color:#2a5a3f}.mail-body{font:13px/1.95 inherit;font-family:inherit;font-size:13px;line-height:1.95;white-space:pre-wrap;overflow-wrap:anywhere;margin:29px 0;color:#495c50;max-height:520px;overflow:auto}.attachment-note{font-size:11px;color:#98a197;border-top:1px solid var(--line);padding-top:16px;margin-top:30px}.footer{display:flex;justify-content:space-between;gap:18px;font-size:10px;letter-spacing:.025em;color:#919c90;margin:27px 0 35px}.footer>span:first-child{letter-spacing:.13em}.login-view{max-width:620px;margin:90px 0 90px}.login-view h1{font-size:65px;letter-spacing:-.05em;margin:23px 0}.muted{color:#8a9a89}.login-card{margin-top:45px}.login-card label{display:block;font-size:12px;margin-bottom:12px}.input-row{display:flex;gap:12px}.input-row input{flex:1;min-width:0;padding:16px;border-radius:8px;border:1px solid #dce3d8;background:#fff;color:#243d34;font-size:13px}.primary{padding:15px 22px;white-space:nowrap;background:var(--green);color:white;border-radius:8px;font-size:13px}.primary span{margin-left:16px}.hint{font-size:11px;color:var(--muted);margin-top:14px;line-height:1.6}.error{color:#a94e42;font-size:12px;min-height:18px}.loading{color:var(--muted);text-align:center;padding:70px}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#243d34;color:white;padding:13px 22px;border-radius:9px;font-size:12px;box-shadow:0 6px 30px #243d3420;z-index:5}
@media(max-width:900px){.shell{padding:0 28px}.inbox-layout{grid-template-columns:300px minmax(0,1fr)}.reader-panel{padding:25px 22px}.address{font-size:21px}}
@media(max-width:680px){.shell{padding:0 20px}.header{height:80px}.brand{font-size:17px}.brand-icon{width:36px;height:36px;font-size:26px}.private-label{font-size:10px}.header-actions{gap:12px}.page-heading{padding:37px 0 25px}.page-heading h1{font-size:30px}.eyebrow{font-size:8px}.intro{font-size:12px}.live{font-size:10px}.address-card{padding:19px;gap:12px;margin-bottom:22px;align-items:flex-start}.address{font-size:17px;margin-top:8px}.copy-button{font-size:11px;padding:9px 11px}.copy-button span{margin-left:5px}.inbox-layout{grid-template-columns:1fr;min-height:auto}.inbox-panel{border-right:0}.reader-panel{border-top:1px solid var(--line)}.reader-panel:has(.reader-placeholder:not([hidden])){display:none}.message-list{max-height:340px}.empty-state{padding:50px 20px}.reader-placeholder{min-height:200px}.footer{font-size:9px;flex-direction:column;gap:10px}.login-view{margin-top:65px}.login-view h1{font-size:53px}.input-row{flex-direction:column}.primary{padding:15px}.reader-panel{padding:20px}.mail-body{max-height:none}}