:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#172337;background:#f4f9fc;line-height:1.65;font-synthesis:none;--muted:#738195;--border:#e4ebf1;--gradient:linear-gradient(110deg,#2084f4,#10b8d4)}
*{box-sizing:border-box}body{margin:0}a{color:#1688e8;text-decoration:none}button,input{font:inherit}button,a.primary{cursor:pointer;transition:box-shadow .15s,filter .15s}button:disabled{cursor:not-allowed;opacity:.52}button:not(:disabled):hover,a.primary:hover{filter:brightness(.98)}[hidden]{display:none!important}
.site-header{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 32px;background:#fff;border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:10px;color:#172337;font-size:22px;font-weight:800;line-height:1.2;white-space:nowrap}.brand small{display:block;margin-top:4px;font-size:9px;font-weight:500;letter-spacing:2px;color:#7c8da2}.brand-mark,.login-mark{display:grid;place-items:center;background:var(--gradient);color:#fff;width:38px;height:38px;border-radius:11px;font-size:29px}.back-link{font-size:13px;border:1px solid #d9e7f4;padding:8px 15px;border-radius:9px;min-height:40px;display:flex;gap:9px;align-items:center}
main{min-height:calc(100vh - 217px);padding:64px 20px 80px;background:radial-gradient(ellipse 500px 360px at 18% 20%,#e4f4ff70,transparent),radial-gradient(ellipse 480px 340px at 90% 28%,#e9eaff70,transparent)}.login-card{width:100%;max-width:448px;margin:auto;padding:32px;border:1px solid var(--border);border-radius:16px;background:#fff;box-shadow:0 8px 35px #375e8610}.login-mark{margin:0 auto 22px;width:44px;height:44px;border-radius:13px}h1{font-size:30px;letter-spacing:-.8px;line-height:1.45;text-align:center;margin:0 0 12px}h2{font-size:24px;margin:12px 0 8px;text-align:center}.intro{font-size:13px;line-height:1.9;color:var(--muted);text-align:center;margin:0 0 26px}.environment{padding:11px 13px;background:#f5f3ff;border:1px solid #e8e4fb;border-radius:10px;font-size:12px;color:#756795}.status{padding:12px 14px;border-radius:10px;background:#eff7ff;border:1px solid #e0edf9;color:#557ba0;font-size:12px;line-height:1.8;margin:0 0 22px;overflow-wrap:anywhere}.status[data-tone=attention]{background:#fff9ef;border-color:#f0e3ca;color:#856b3c}.status[data-tone=success]{background:#f0faf5;border-color:#dcefe5;color:#46735f}.status:empty{display:none}
form{margin:0}label{display:block;font-size:13px;font-weight:600;margin-bottom:9px}input{display:block;width:100%;min-width:0;min-height:50px;padding:12px 14px;border:1px solid #dfe7ef;border-radius:12px;background:#fff;color:#172337;font-size:15px}input::placeholder{color:#a2afbe}input:disabled{background:#f8fafc;color:#8b99a9}#code{font-variant-numeric:tabular-nums;letter-spacing:2px;font-size:18px}.field-help{margin:10px 0 20px;color:var(--muted);font-size:12px;line-height:1.8}.primary,.secondary{display:flex;width:100%;min-height:50px;align-items:center;justify-content:center;gap:14px;padding:12px 18px;font-size:14px;font-weight:650;border-radius:12px;border:1px solid transparent}.primary{background:var(--gradient);color:#fff}.secondary{background:#fff;color:#53667f;border-color:#dce6ef}.secondary:hover{background:#f8fbfe}.email-summary{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:13px 0;margin-bottom:15px;border-bottom:1px solid var(--border);font-size:13px;min-width:0}.email-summary>span{min-width:0;overflow-wrap:anywhere}.text-button{background:none;border:0;color:#1688e8;padding:8px 0;min-height:44px;font-size:12px;white-space:nowrap}.resend-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px;color:var(--muted);font-size:12px}.resend-row>span{min-width:0}.privacy-note{font-size:11px;color:#8b99aa;line-height:1.9;margin:26px 0 0;padding-top:20px;border-top:1px solid var(--border)}#signed-in{text-align:center}.success-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;margin:0 auto;color:#36946a;background:#edf9f3;font-size:23px}.account-email{font-size:14px;color:#637b92;overflow-wrap:anywhere}.service-status{margin:20px 0;padding:14px 16px;background:#f8fbfe;border:1px solid var(--border);border-radius:12px;font-size:12px}.service-status>div{display:flex;justify-content:space-between;gap:12px;padding:4px 0}.service-status dt{color:var(--muted)}.service-status dd{margin:0;color:#607991}.service-status>div:first-child dd{color:#3d8968}#logout{margin-top:12px}#recovery{margin-top:18px;display:grid;gap:10px}
footer{padding:25px 20px 28px;text-align:center;border-top:1px solid var(--border);background:#ffffff7a;color:#8e9eae;font-size:10px}footer strong{font-size:17px;color:#586d82}footer p{margin:10px 0 0}.skip-link{position:fixed;top:-100px;left:16px;z-index:10;background:#fff;padding:10px 16px;border:1px solid #1688e8;border-radius:8px}.skip-link:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #dbab50;outline-offset:4px}
@media(max-width:540px){.site-header{padding:15px 19px;gap:12px}.brand{font-size:20px;gap:9px}.brand-mark{width:35px;height:35px;font-size:26px}.brand small{font-size:8px;letter-spacing:1px}.back-link{font-size:12px;padding:6px 10px;min-height:44px}main{padding:36px 19px 48px;min-height:calc(100vh - 206px)}.login-card{padding:27px 24px}h1{font-size:28px}.intro{font-size:12px}input{font-size:16px}.status{font-size:12px}.resend-row{font-size:11px;gap:8px}.privacy-note{font-size:11px}.email-summary{font-size:12px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.privacy-note a{display:inline-block;margin-top:8px}.privacy-card{max-width:760px;padding:38px}.privacy-card section{margin:27px 0}.privacy-card section h2{text-align:left;font-size:19px;margin:0 0 12px}.privacy-card section p{font-size:14px;line-height:1.95;color:#63758a;margin:10px 0}.privacy-card>.primary{max-width:280px;margin-top:30px}@media(max-width:540px){.privacy-card{padding:26px 22px}.privacy-card h1{font-size:26px}.privacy-card section h2{font-size:18px}.privacy-card section p{font-size:13px}.privacy-card>.primary{max-width:none}}