:root{--blue:#2563eb;--blue-dark:#1d4ed8;--ink:#17223b;--muted:#8490a4;--line:#e8edf4;--canvas:#f7f9fc;--green:#25a776;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--canvas);font-synthesis:none}
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5.2%;gap:20px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);font-size:17px;font-weight:650;letter-spacing:.2px}.brand-light{color:#8993a4;font-weight:400;font-size:15px;margin-left:4px}.header-note{font-size:12px;color:#8590a0;display:flex;align-items:center;gap:8px}.secure-dot{width:6px;height:6px;display:inline-block;background:var(--green);border-radius:50%;flex:none}.welcome{max-width:680px;margin:0 auto;padding:70px 24px 54px}.intro{text-align:center;margin-bottom:35px}.eyebrow{font-size:10px;letter-spacing:3.3px;font-weight:700;color:#7d8caa;margin-bottom:18px}.intro h1{font-size:39px;line-height:1.4;letter-spacing:-1.5px;margin:0 0 13px;font-weight:730}.intro h1>span{color:var(--blue)}.intro>p{font-size:14px;color:#7b879b;margin:0;line-height:1.8}.connect-card{background:#fff;border:1px solid #e3e9f2;border-radius:18px;padding:30px 32px 24px;box-shadow:0 12px 40px -22px 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svg{width:17px}.privacy-note{border-top:1px solid #f0f3f7;padding-top:19px;margin-top:22px;display:flex;justify-content:center;align-items:center;gap:7px;font-size:10px;color:#929dae;line-height:1.6}.privacy-note svg{width:14px;height:14px;stroke:#8d9eaf;stroke-width:1.5;flex:none}.welcome-footer{display:flex;justify-content:center;gap:30px;font-size:11px;color:#95a0b2;padding-top:24px}.welcome-footer span:before{content:'✓';margin-right:7px;color:#8c9aaf}.site-footer{display:flex;justify-content:center;align-items:center;gap:17px;font-size:9px;letter-spacing:1.6px;color:#a9b2c1;padding:15px 20px 25px}.site-footer>span{font-size:10px;letter-spacing:.7px;color:#b0b8c5;border-left:1px solid #dfe4eb;padding-left:17px}.error{color:#ad333c;background:#fff4f3;border:1px solid #f4d9d7;padding:12px 14px;border-radius:8px;line-height:1.7;font-size:12px;margin:0 0 16px;overflow-wrap:anywhere}.secondary{border:1px solid #dfe5ef;background:#fff;color:#66748b;border-radius:8px;padding:9px 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var(--line)}.message-list{overflow-y:auto;flex:1;scrollbar-width:thin;scrollbar-color:#d9e1ed transparent}.message-row{display:block;width:100%;text-align:left;position:relative;padding:18px 20px 17px;background:#fff;border:0;border-bottom:1px solid #f0f3f7;color:var(--ink);border-left:3px solid 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infinite}.skeleton-line:nth-child(1){width:42%}.skeleton-line:nth-child(2){width:86%}.skeleton-line:nth-child(3){width:65%;margin-bottom:0}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{50%{opacity:.45}}@media(min-width:1500px){.welcome{padding-top:100px}.intro{margin-bottom:40px}.intro h1{font-size:43px}}@media(max-width:1050px){.mailbox{padding-left:24px;padding-right:24px}.mail-layout{grid-template-columns:300px minmax(0,1fr)}.detail-header{padding:25px}.message-body{padding:25px}.sender-row time{width:100%;margin-left:46px}}@media(max-width:700px){.topbar{height:67px;padding:0 20px}.brand{font-size:16px;gap:9px}.brand img{width:31px;height:31px}.brand-light{font-size:13px}.header-note{font-size:0;gap:0}.header-note .secure-dot{width:7px;height:7px}.welcome{padding:45px 19px 38px}.eyebrow{font-size:9px;letter-spacing:2.6px;margin-bottom:17px}.intro h1{font-size:30px;letter-spacing:-1px;margin-bottom:10px}.intro>p{font-size:12px}.intro{margin-bottom:28px}.connect-card{padding:24px 21px 21px;border-radius:15px}.card-heading{gap:11px;margin-bottom:25px}.card-heading h2{font-size:16px}.card-heading p{font-size:10px}.card-icon{width:39px;height:39px;border-radius:11px}.card-icon svg{width:21px;height:21px}textarea{font-size:12px;min-height:145px}.format-note{font-size:10px;margin-bottom:20px;gap:6px}.privacy-note{font-size:9px;gap:5px;margin-top:20px;padding-top:17px}.welcome-footer{gap:19px;font-size:9px}.welcome-footer span:before{margin-right:4px}.site-footer{font-size:8px;gap:12px}.site-footer>span{font-size:9px;padding-left:12px}.mailbox{padding:23px 15px 0}.mailbox-heading{margin-bottom:20px;gap:8px}.account-info{gap:10px}.account-avatar{width:36px;height:36px;border-radius:10px;font-size:16px}.account-info h1{font-size:12px;max-width:calc(100vw - 180px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mailbox-heading .secondary{padding:8px;font-size:10px;gap:5px;flex:none}.mailbox-heading .secondary svg{width:13px;height:13px}.connected-label{font-size:9px}.mail-layout{display:block;height:calc(100dvh - 235px);min-height:410px;border-radius:12px}.mail-list-panel{height:100%;border:0}.detail-panel{display:none;height:100%}.mail-layout.reading .mail-list-panel{display:none}.mail-layout.reading .detail-panel{display:block}.back-to-list{display:flex;align-items:center;gap:4px;background:#fff;border:0;border-bottom:1px solid var(--line);padding:16px 20px;width:100%;color:#6482b2;font-size:11px;position:sticky;top:0;z-index:1}.back-to-list svg{width:15px;height:15px;stroke:currentColor;stroke-width:1.5}.detail-header{padding:23px 21px}.detail-header h2{font-size:18px;margin-bottom:22px}.message-body{padding:23px 21px 35px;font-size:12px}.sender-row time{font-size:9px}.mailbox-footer{font-size:8px;gap:8px;line-height:1.6}.row-sender,.row-subject{font-size:13px}.row-preview{font-size:11px}.message-row{padding:18px}.list-toolbar{padding-top:16px}.detail-kicker{font-size:8px}.list-bottom{min-height:42px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}