:root {
  color-scheme: light;
  --auth-cn-bg: linear-gradient(180deg, #f3f6fb 0%, #eef3f8 100%);
  --auth-cn-card-bg: #ffffff;
  --auth-cn-card-border: #d9e2ec;
  --auth-cn-text: #14213d;
  --auth-cn-muted: #5f6c7b;
  --auth-cn-accent: #1768ac;
  --auth-cn-accent-soft: #e7f1fb;
  --auth-cn-shadow: 0 20px 44px rgba(20, 33, 61, 0.08);
  --auth-cn-radius: 20px;
  --auth-cn-font: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
}

html,
body {
  min-height: 100%;
}

body.auth-page--cn,
body.auth-page--cn .form-control,
body.auth-page--cn .btn,
body.auth-page--cn .alert,
body.auth-page--cn .text-muted {
  font-family: var(--auth-cn-font);
}

body.auth-page--cn {
  margin: 0;
  background: var(--auth-cn-bg);
  color: var(--auth-cn-text);
}

body.auth-page--cn .auth-logo {
  width: 62.5px;
}

body.auth-page--cn .form-control,
body.auth-page--cn .btn-primary {
  border-radius: 10px;
}

body.auth-page--cn .google-login-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background-color: #ffffff;
  color: #757575;
  border: 1px solid #dddddd;
  border-radius: 10px;
  padding: 10px 20px;
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

body.auth-page--cn .google-login-button:hover {
  background-color: #f8f8f8;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

body.auth-page--cn .google-login-button img {
  width: 20px;
  height: 20px;
}

body.auth-page--cn .google-login-button span {
  white-space: nowrap;
}

.auth-shell-cn {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.auth-shell-cn__main {
  flex: 1 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px 20px;
}

.auth-shell-cn__wrap,
.login-form-container {
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
}

.login-form-container {
  padding: 24px 16px;
}

.auth-shell-cn__card,
.form_container {
  background: var(--auth-cn-card-bg);
  border: 1px solid var(--auth-cn-card-border);
  border-radius: var(--auth-cn-radius);
  box-shadow: var(--auth-cn-shadow);
}

.auth-shell-cn__card {
  padding: 26px 24px;
}

.form_container {
  padding: 20px;
}

.auth-cn-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--auth-cn-accent-soft);
  color: var(--auth-cn-accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.auth-cn-copy {
  color: var(--auth-cn-muted);
  line-height: 1.55;
}

.auth-cn-actions {
  display: grid;
  gap: 12px;
}

.auth-cn-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 16px;
  margin-top: 18px;
  font-size: 0.92rem;
}

.auth-cn-links a {
  color: var(--auth-cn-accent);
  text-decoration: none;
}

.auth-cn-links a:hover,
.auth-cn-links a:focus {
  text-decoration: underline;
}

.auth-cn-inline-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.auth-cn-note {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 14px;
  background: #f7f9fc;
  border: 1px solid #e1e8f0;
  color: var(--auth-cn-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.auth-cn-footer {
  padding: 0 16px 24px;
}

.auth-cn-footer__inner {
  max-width: 440px;
  margin: 0 auto;
  color: var(--auth-cn-muted);
  font-size: 0.82rem;
  line-height: 1.55;
  text-align: center;
}

.auth-cn-footer__links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-top: 0;
}

.auth-cn-footer__links a {
  color: var(--auth-cn-muted);
  text-decoration: none;
}

.auth-cn-footer__links a:hover,
.auth-cn-footer__links a:focus {
  color: var(--auth-cn-accent);
  text-decoration: underline;
}

@media (max-width: 575.98px) {
  .auth-shell-cn__main {
    align-items: flex-start;
    padding-top: 18px;
  }

  .auth-shell-cn__card {
    padding: 22px 18px;
    border-radius: 18px;
  }

  .auth-cn-links {
    flex-direction: column;
    align-items: flex-start;
  }
}