/* 登录层（门户认证） */
#login-mask {
  position: fixed; inset: 0; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(20,40,64,.92), rgba(26,91,140,.88)); z-index: 500;
}
.login-card {
  background: #fff; padding: 30px 28px; border-radius: 8px; width: 320px;
  box-shadow: 0 12px 40px rgba(0,0,0,.35); box-sizing: border-box;
}
.login-logo { font-size: 21px; font-weight: 700; color: var(--primary,#1a5b8c); text-align: center; }
.login-logo small { display: block; font-size: 12px; color: #888; font-weight: 400; margin-top: 3px; }
.login-title { text-align: center; margin: 16px 0; font-size: 15px; color: #333; }
.login-input {
  width: 100%; height: 40px; border: 1px solid #cfd6dd; border-radius: 4px;
  padding: 0 12px; margin-bottom: 14px; box-sizing: border-box; font-size: 14px;
}
.login-input:focus { outline: none; border-color: var(--primary,#1a5b8c); }
.login-err { color: #c0392b; font-size: 13px; min-height: 18px; margin-bottom: 6px; }
.login-tip { font-size: 12px; color: #999; text-align: center; margin-top: 12px; line-height: 1.5; }