:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "Microsoft YaHei", sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; min-height: 100vh; background: #f5f5f7; color: #1d1d1f; -webkit-font-smoothing: antialiased; }
.login-shell { min-height: 100vh; padding: 24px; display: grid; place-items: center; }
.login-panel { width: min(360px, 100%); padding: 30px; border: 1px solid rgba(0,0,0,.1); border-radius: 8px; background: rgba(255,255,255,.92); box-shadow: 0 18px 60px rgba(0,0,0,.08); }
.login-mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 8px; background: #1d1d1f; color: #fff; font-size: 19px; font-weight: 760; }
.login-panel > p { margin: 18px 0 4px; color: #86868b; font-size: 12px; font-weight: 650; }
h1 { margin: 0 0 24px; font-size: 30px; line-height: 1.15; letter-spacing: 0; }
form { display: grid; gap: 10px; }
form > label:first-child { color: #6e6e73; font-size: 11px; font-weight: 700; }
input[type="password"] { width: 100%; height: 46px; padding: 0 12px; border: 1px solid #d2d2d7; border-radius: 7px; background: #fff; color: #1d1d1f; font: inherit; }
input[type="password"]:focus { outline: 3px solid rgba(0,113,227,.2); border-color: #0071e3; }
.remember-line { margin: 3px 0 7px; display: flex; align-items: center; gap: 8px; color: #6e6e73; font-size: 12px; }
.remember-line input { width: 16px; height: 16px; accent-color: #0071e3; }
button { height: 44px; border: 0; border-radius: 7px; background: #0071e3; color: #fff; font: inherit; font-weight: 700; cursor: pointer; }
button:hover { background: #0077ed; }
button:disabled { opacity: .65; cursor: wait; }
#loginNotice { min-height: 18px; color: #b42318; font-size: 12px; line-height: 1.45; }
@media (max-width: 480px) { .login-shell { padding: 14px; } .login-panel { padding: 24px 20px; box-shadow: none; } }