:root{--ink:#17233d;--muted:#738098;--line:#e5eaf2;--bg:#f5f7fb;--blue:#3156c9;--blue-soft:#edf2ff}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}.auth-shell{max-width:560px;margin:0 auto;padding:0 22px}.auth-header{height:78px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.auth-header a{color:var(--muted);text-decoration:none;font-size:12px}.auth-header a:hover{color:var(--blue)}.auth-brand{display:flex!important;align-items:center;gap:10px;color:var(--ink)!important;font-size:16px!important;font-weight:750}.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:19px;font-weight:850}.auth-card{margin:72px 0 22px;padding:30px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 14px 36px rgba(39,61,108,.08)}.eyebrow{margin:0 0 6px;color:var(--blue);font-size:11px;font-weight:800;letter-spacing:.12em}.auth-card h1{margin:0 0 8px;font-size:28px;letter-spacing:-.03em}.auth-lead{margin:0;color:var(--muted);font-size:13px;line-height:1.8}.auth-tabs{display:flex;gap:20px;margin:25px 0 18px;border-bottom:1px solid var(--line)}.auth-tabs button{border:0;background:transparent;color:var(--muted);padding:0 0 10px;font:inherit;font-weight:750;cursor:pointer;border-bottom:2px solid transparent}.auth-tabs button.active{color:var(--blue);border-bottom-color:var(--blue)}.auth-form{display:grid;gap:14px}.auth-form label{display:grid;gap:5px;color:#52617c;font-size:12px}.auth-form input{width:100%;border:1px solid #d5ddea;border-radius:8px;padding:10px 11px;background:#fff;color:var(--ink);font:inherit;outline:none}.auth-form input:focus{border-color:#91a8ef;box-shadow:0 0 0 3px #e8eeff}.auth-form button{border:0;border-radius:8px;padding:10px 14px;font:inherit;font-size:13px;font-weight:750;cursor:pointer}.auth-form .primary{background:var(--blue);color:#fff}.auth-form .secondary{background:#eef2f8;color:var(--ink)}.code-row{display:grid;grid-template-columns:1fr auto;gap:9px;align-items:end}.code-row button{white-space:nowrap}.auth-note{min-height:22px;margin:14px 0 0;color:var(--muted);font-size:12px}.auth-note.error{color:#a45b3a}.auth-note.success{color:#258b6e}footer{color:var(--muted);font-size:12px;text-align:center}@media(max-width:520px){.auth-shell{padding:0 16px}.auth-card{margin-top:38px;padding:23px}.auth-card h1{font-size:24px}}