:root{color-scheme:light;--ink:#17283f;--muted:#66768b;--blue:#2463eb;--line:#e2e8f0}*{box-sizing:border-box}body{margin:0;background:#f4f7fb;color:var(--ink);font-family:system-ui,-apple-system,"Microsoft YaHei",sans-serif}header{padding:24px max(5vw,20px);background:white;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:16px}header strong{font-size:23px}small{display:block;color:var(--muted);margin-top:8px}main{max-width:1200px;margin:36px auto;padding:0 20px}.card{background:white;border:1px solid var(--line);border-radius:16px;padding:26px;margin-bottom:20px;box-shadow:0 5px 20px #192d4a06}.narrow{max-width:460px;margin:50px auto}h1{font-size:23px;margin:0 0 16px;overflow-wrap:anywhere}h2{font-size:17px;margin:22px 0 14px}label{display:block;margin-bottom:18px;font-size:14px}input{display:block;width:100%;font:inherit;padding:12px;margin-top:7px;border:1px solid #cbd5e1;border-radius:8px}button{font:inherit;cursor:pointer;padding:10px 16px;border:0;border-radius:8px;background:var(--blue);color:white}button:disabled{opacity:.55;cursor:wait}form button{width:100%;margin-bottom:12px}.secondary{background:#eef3fc;color:#234b8f}.muted,footer{color:var(--muted);font-size:13px;line-height:1.7}.error{color:#b42318;font-size:14px;overflow-wrap:anywhere}.hidden{display:none!important}.row{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.row h1{margin:0}.layout{display:grid;grid-template-columns:360px 1fr;gap:20px}.message{display:block;text-align:left;width:100%;background:white;color:var(--ink);border-bottom:1px solid var(--line);border-radius:0;padding:15px 8px}.message:hover{background:#f0f5ff}.message strong{display:block;margin:6px 0;overflow-wrap:anywhere}.message.unread strong:before{content:'● ';color:var(--blue)}.message .sender{color:var(--muted);font-size:13px}.credential{padding:20px;margin-top:20px;border-radius:10px;background:#edf5ff;overflow-wrap:anywhere}code{font-size:17px}pre{white-space:pre-wrap;overflow-wrap:anywhere;font-family:inherit;line-height:1.8;font-size:14px}.link-item{padding:12px 0;border-bottom:1px solid var(--line)}.link-url{display:block;color:#235cc3;word-break:break-all;margin-bottom:10px}.link-item a.action{display:inline-block;text-decoration:none;font-size:14px;color:#2463eb;margin-left:12px}.mailbox-item{padding:16px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;align-items:center}.mailbox-item span{overflow-wrap:anywhere}footer{padding:20px;text-align:center}#status{font-size:13px;color:var(--muted)}@media(max-width:800px){.layout{grid-template-columns:1fr}header{align-items:start}.card{padding:20px}main{margin:20px auto}#current-email{font-size:18px}}