:root{--canvas:#f4f2fa;--paper:#fff;--ink:#302a40;--muted:#70637e;--accent:#7050c6;--accent-hover:#5c3bac;--accent-wash:#eae3f8;--line:#ece8f2;--positive:#346e5b;color:var(--ink);background:var(--canvas);font-synthesis:none;-webkit-font-smoothing:antialiased;font-family:Avenir Next,PingFang SC,Microsoft YaHei,sans-serif;font-size:15px}*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}button{background:var(--paper);color:var(--ink);font:inherit;cursor:pointer;border:1px solid #dcd5e7;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:12px 17px;transition:background .15s,border-color .15s;display:inline-flex}button:hover{background:#f4f0fc;border-color:#c8b8e3}button:disabled{color:#84798f;cursor:not-allowed;background:#eeebf3;border-color:#eeebf3}button:focus-visible,a:focus-visible{outline-offset:4px;outline:3px solid #a386dd}a{color:inherit;text-decoration:none}.topbar{justify-content:space-between;align-items:center;max-width:1168px;margin:auto;padding:29px 24px;display:flex}.brand{letter-spacing:.3px;align-items:center;gap:12px;font-size:18px;font-weight:650;display:inline-flex}.brand-icon{background:var(--accent);color:#fff;border-radius:13px 13px 13px 3px;place-items:center;width:40px;height:40px;display:grid}.brand small{letter-spacing:.3px;color:var(--muted);margin-top:1px;font-size:10px;font-weight:500;display:block}.privacy{color:var(--muted);align-items:center;gap:7px;font-size:12px;display:inline-flex}main{max-width:1080px;margin:20px auto 0;padding:0 24px}.intro{justify-content:space-between;align-items:center;padding:0 11px 28px;display:flex}h1{letter-spacing:-1.3px;margin:0 0 15px;font-size:42px;font-weight:600;line-height:1.45}.intro p{color:var(--muted);margin:0;font-size:14px;line-height:1.8}.envelope-art{width:224px;height:150px;margin-right:25px}.preview-banner{color:#645279;background:#eae4f5;border-radius:8px;align-items:center;gap:9px;margin:0 0 16px;padding:12px 17px;font-size:12px;line-height:1.8;display:flex}.status-dot{background:#9c80bd;border-radius:50%;flex-shrink:0;width:6px;height:6px}.inbox-counter{background:var(--paper);border:1px solid #e7e1ef;border-radius:18px;overflow:hidden;box-shadow:0 12px 50px #49336d06}.address-panel{padding:25px 30px 20px}.address-caption{color:var(--muted);justify-content:space-between;align-items:center;font-size:12px;display:flex}.address-caption>span{align-items:center;gap:8px;display:inline-flex}.address-caption>span:first-child{color:#655477;font-weight:500}.address-state{color:#70637e;font-size:11px}.address-caption .connection{color:var(--positive);gap:6px;font-size:11px}.connection i{background:#4d9678;border-radius:50%;width:5px;height:5px}.address-caption .offline{color:#946626}.offline i{background:#b18a4b}.address-actions{justify-content:space-between;align-items:center;gap:24px;padding:22px 0 20px;display:flex}.address{letter-spacing:-.7px;overflow-wrap:anywhere;-webkit-user-select:all;user-select:all;min-width:0;font-family:SFMono-Regular,Consolas,monospace;font-size:23px;line-height:1.6}.primary{background:var(--accent);border-color:var(--accent);color:#fff;white-space:nowrap;min-height:45px;font-size:13px;font-weight:500}.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.address-bottom{color:var(--muted);border-top:1px dashed #e7e0ef;justify-content:space-between;align-items:center;gap:15px;padding-top:13px;font-size:11px;display:flex}.text-button{color:#6e6082;white-space:nowrap;background:0 0;border:none;padding:5px 0;font-size:12px}.text-button:hover{color:var(--accent);background:0 0}.generate{justify-content:space-between;align-items:center;gap:24px;padding:24px 0 7px;display:flex}.generate h2{letter-spacing:-.5px;margin:0 0 9px;font-size:22px;font-weight:550}.generate p{color:var(--muted);margin:0;font-size:12px;line-height:1.8}.workspace{border-top:1px solid var(--line);grid-template-columns:32% 68%;min-height:390px;display:grid}.mail-list{border-right:1px solid var(--line);min-width:0}.pane-heading{border-bottom:1px solid #f3f0f6;justify-content:space-between;align-items:center;height:60px;padding:0 25px;display:flex}.pane-heading h2{align-items:center;gap:10px;margin:0;font-size:13px;font-weight:600;display:flex}.pane-heading h2 span{text-align:center;color:#7c669d;background:#f1edf8;border-radius:5px;min-width:20px;font-size:10px;font-weight:500;line-height:20px}.icon-button{color:#8b809b;background:0 0;border:none;min-width:32px;min-height:32px;padding:8px}.icon-button:disabled{color:#b5aabd;background:0 0}.danger:hover{color:#b04a5a;background:#fcf0f1}.mail-list ul{max-height:570px;margin:0;padding:0;list-style:none;overflow-y:auto}.message-row{border:none;border-bottom:1px solid var(--line);text-align:left;border-radius:0;flex-direction:column;align-items:stretch;gap:10px;width:100%;padding:22px 25px;display:flex;position:relative}.message-row.active{background:#f3eefc}.message-row.active:before{content:"";background:var(--accent);border-radius:0 3px 3px 0;width:3px;position:absolute;top:18px;bottom:18px;left:0}.message-top{color:#7c728c;justify-content:space-between;align-items:center;gap:10px;font-size:11px;display:flex}.sender{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.message-top time{color:#70637e;flex-shrink:0;font-size:10px}.message-row strong{text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:550;overflow:hidden}.message-bottom{color:var(--muted);font-size:11px}.code-badge{color:#785ba5;background:#eae2f8;border-radius:4px;padding:3px 7px;font-size:10px;display:inline-block}.empty-list{text-align:center;padding:55px 25px 35px}.empty-icon{color:#967db8;background:#f2edf9;border-radius:15px;place-items:center;width:52px;height:52px;display:inline-grid}.empty-list h3,.empty-detail h3{margin:18px 0 9px;font-size:13px;font-weight:550}.empty-list p,.empty-detail p{color:#70637e;max-width:230px;margin:0 auto;font-size:12px;line-height:1.9}.subtle{color:#70637e;margin-top:25px;font-size:10px;display:block}.mail-detail{min-width:0}.detail-label{color:#70637e;font-size:11px}.empty-detail{background:#fefcff;flex-direction:column;justify-content:center;align-items:center;min-height:325px;padding:30px;display:flex}.empty-detail h3{color:#746482;margin-top:25px}.letter-placeholder{background:#faf7fe;border:1px solid #e3d9ef;border-radius:8px;width:86px;height:100px;padding:26px 19px 17px;position:relative;transform:rotate(-6deg)}.letter-placeholder:before{content:"";border:1px solid #d2c1e6;border-radius:2px;width:16px;height:12px;margin-bottom:13px;display:block}.letter-placeholder span{background:#e8def3;border-radius:2px;height:3px;margin-bottom:7px;display:block}.letter-placeholder span:last-child{width:65%}.back{display:none}.message-content{padding:27px 30px}.message-content h2{overflow-wrap:anywhere;margin:0 0 12px;font-size:22px;font-weight:550;line-height:1.5}.mail-meta{color:#81728e;overflow-wrap:anywhere;margin:0;font-size:11px;line-height:1.9}.otp{background:#f3eefc;border-left:3px solid #b49ad8;border-radius:0 8px 8px 0;justify-content:space-between;align-items:center;gap:15px;margin:25px 0;padding:18px 20px;display:flex}.otp div{flex-direction:column;gap:5px;display:flex}.otp span{color:#7f649e;font-size:10px}.otp strong{letter-spacing:5px;color:#684498;overflow-wrap:anywhere;font-family:SFMono-Regular,Consolas,monospace;font-size:30px}.otp button{color:var(--accent);background:#fff;border:none;padding:9px 12px;font-size:12px}.view-tabs{border-bottom:1px solid var(--line);gap:18px;margin:24px 0 14px;display:flex}.view-tabs button{color:#887a98;background:0 0;border:none;border-bottom:2px solid #0000;border-radius:0;padding:8px 0;font-size:11px}.view-tabs button[aria-pressed=true]{color:var(--accent);border-bottom-color:var(--accent)}.mail-text{color:#5c516a;white-space:pre-wrap;overflow-wrap:anywhere;margin:25px 0 0;font-family:inherit;font-size:13px;line-height:1.9}.mail-html{border:1px solid var(--line);background:#fff;border-radius:8px;width:100%;min-height:300px}.preview-note{color:#70637e;align-items:center;gap:5px;margin-top:28px;font-size:10px;display:flex}.detail-loading{color:var(--muted);padding:30px;font-size:13px}.counter-footnote{color:#70637e;border-top:1px solid var(--line);background:#fcfaff;justify-content:center;align-items:center;gap:7px;padding:13px 20px;font-size:10px;line-height:1.8;display:flex}.error{color:#a53a50;overflow-wrap:anywhere;padding:12px;font-size:12px;line-height:1.7}.error button{margin-left:7px;padding:3px 7px;font-size:11px}footer{color:#70637e;justify-content:space-between;align-items:center;gap:25px;padding:23px 3px 36px;font-size:10px;display:flex}footer>span{white-space:nowrap;color:#6d5e7a}footer p{text-align:right;margin:0;line-height:1.8}.toast{opacity:0;color:#fff;z-index:5;pointer-events:none;background:#4c356b;border-radius:9px;align-items:center;gap:8px;padding:13px 20px;font-size:12px;transition:all .15s;display:flex;position:fixed;bottom:28px;left:50%;transform:translate(-50%,10px)}.toast.visible{opacity:1;transform:translate(-50%)}dialog{width:min(440px,100vw - 32px);color:var(--ink);border:1px solid #e5dcef;border-radius:16px;padding:28px;box-shadow:0 20px 80px #30204426}dialog::backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#33244055}.dialog-top{justify-content:space-between;align-items:flex-start;display:flex}dialog h2{margin:23px 0 12px;font-size:22px;font-weight:600}dialog p{color:var(--muted);font-size:14px;line-height:1.8}.dialog-actions{justify-content:flex-end;gap:10px;margin-top:28px;display:flex}.dialog-actions button{font-size:12px}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=720px){.topbar{padding:22px 20px}.privacy{gap:0;font-size:0}.privacy svg{width:19px;height:19px}main{margin-top:15px;padding:0 16px}.intro{padding:0 4px 25px}h1{letter-spacing:-1px;margin-bottom:12px;font-size:33px;line-height:1.5}.intro p{max-width:290px;font-size:12px}.envelope-art{display:none}.preview-banner{align-items:flex-start;padding:11px 14px;font-size:11px}.preview-banner .status-dot{margin-top:7px}.inbox-counter{border-radius:14px}.address-panel{padding:21px 20px 18px}.address-caption{font-size:11px}.address-caption .connection{font-size:10px}.address-actions{flex-direction:column;align-items:stretch;gap:18px;padding:21px 0 17px}.address{font-size:19px}.address-actions .primary{width:100%}.address-bottom{align-items:flex-start;font-size:10px;line-height:1.8}.address-bottom>span{max-width:180px}.generate{flex-direction:column;align-items:stretch;gap:20px;padding-top:24px}.generate h2{font-size:20px}.generate p{font-size:11px}.workspace{grid-template-columns:1fr;min-height:345px}.mail-list{border:none}.mail-detail,.has-selection .mail-list{display:none}.has-selection .mail-detail{display:block}.back{display:inline-flex}.detail-label{display:none}.pane-heading{height:58px;padding:0 20px}.empty-list{padding-top:40px}.mail-list ul{max-height:none}.message-content{padding:25px 20px}.otp{padding:16px 13px}.otp strong{letter-spacing:3px;font-size:25px}.otp button{padding:9px;font-size:11px}.counter-footnote{justify-content:flex-start;align-items:flex-start;padding:13px 18px}.counter-footnote svg{flex-shrink:0;margin-top:2px}footer{padding:23px 3px;display:block}footer p{text-align:left;max-width:340px;margin-top:7px}.toast{width:max-content;max-width:calc(100vw - 32px)}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}