:root {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --card-bg: #11271B;
  --background-color: #08160F;
  --text-main: #F2FFF6;
  --text-secondary: #A7D9B8;
  --border-color: #2E7A4E;
  --glow-color: #57E38D;
  --gold-color: #F2C14E;
  --divider-color: #1E3A2A;
  --deep-green: #0A4B2C;
}

/* style/login.css */
/* body 已 padding-top: var(--header-offset)；页面禁止再写该变量 */
.page-login {
  color: var(--text-main); /* Light text on dark body background */
  background-color: var(--background-color); /* #08160F */
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
}

.page-login__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, not var(--header-offset) */
  background-color: var(--deep-green); /* Example dark background */
  color: var(--text-main);
  text-align: center;
}

.page-login__hero-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin-bottom: 30px;
  border-radius: 8px;
  object-fit: cover;
  min-width: 200px;
  min-height: 200px;
}

.page-login__hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.page-login__main-title {
  font-size: clamp(2rem, 5vw, 2.5rem); /* Using clamp for responsive H1 */
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-main);
}

.page-login__description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: var(--text-secondary);
}

.page-login__login-card.page-login__card {
  background: var(--card-bg); /* #11271B - dark */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  width: 100%;
  max-width: 450px;
  margin: 0 auto;
  color: var(--text-main);
  border: 1px solid var(--border-color); /* #2E7A4E */
}

.page-login__card-title {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 25px;
  color: var(--text-main);
}

.page-login__form-group {
  margin-bottom: 20px;
  text-align: left;
}

.page-login__form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-secondary);
}

.page-login__form-input {
  width: calc(100% - 22px); /* Account for padding + border */
  padding: 12px 10px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: rgba(0, 0, 0, 0.2); /* Slightly transparent dark input */
  color: var(--text-main);
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.page-login__form-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

.page-login__form-input:focus {
  border-color: var(--glow-color); /* #57E38D */
  outline: none;
}

.page-login__form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
  font-size: 0.95rem;
}

.page-login__checkbox-container {
  display: flex;
  align-items: center;
  color: var(--text-secondary);
  cursor: pointer;
}

.page-login__checkbox {
  margin-right: 8px;
  appearance: none;
  width: 18px;
  height: 18px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: rgba(0, 0, 0, 0.2);
  cursor: pointer;
  position: relative;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.page-login__checkbox:checked {
  background-color: var(--primary-color); /* #11A84E */
  border-color: var(--primary-color);
}

.page-login__checkbox:checked::before {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 14px;
  line-height: 1;
}

.page-login__forgot-password-link {
  color: var(--glow-color); /* #57E38D */
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-login__forgot-password-link:hover {
  color: var(--gold-color); /* #F2C14E */
  text-decoration: underline;
}

.page-login__btn-primary {
  display: block;
  width: 100%;
  padding: 14px 25px;
  border: none;
  border-radius: 8px;
  background: var(--button-gradient); /* linear-gradient(180deg, #2AD16F 0%, #13994A 100%) */
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 15px rgba(42, 209, 111, 0.3);
}

.page-login__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(42, 209, 111, 0.4);
}

.page-login__register-text {
  margin-top: 25px;
  text-align: center;
  color: var(--text-secondary);
}

.page-login__register-link {
  color: var(--glow-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.page-login__register-link:hover {
  color: var(--gold-color);
  text-decoration: underline;
}

/* Sections */
.page-login__section-title {
  font-size: clamp(1.8rem, 4vw, 2.2rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: var(--text-main);
}

.page-login__section-description {
  font-size: 1.1rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px;
  color: var(--text-secondary);
}

.page-login__dark-section {
  background-color: var(--background-color); /* #08160F */
  color: var(--text-main);
  padding: 80px 20px;
}

.page-login__light-bg {
  background-color: var(--card-bg); /* #11271B, still dark, so light text */
  color: var(--text-main);
  padding: 80px 20px;
}

.page-login__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* Benefits Section */
.page-login__grid-3-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-login__benefit-card.page-login__card {
  background: var(--card-bg); /* #11271B */
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--text-main);
}

.page-login__benefit-icon {
  width: 100%;
  height: 200px; /* Fixed height for consistency */
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  min-width: 200px;
  min-height: 200px;
}

.page-login__benefit-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-main);
}

.page-login__benefit-text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  flex-grow: 1;
}

/* Security Tips Section */
.page-login__grid-2-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-login__tip-card.page-login__card {
  background: var(--card-bg); /* #11271B */
  padding: 30px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: var(--text-main);
}

.page-login__tip-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-main);
}

.page-login__tip-text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* FAQ Section */
.page-login__faq-list {
  margin-top: 40px;
}

.page-login__faq-item {
  background: var(--card-bg); /* #11271B */
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--text-main);
}

.page-login__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15rem;
  font-weight: 600;
  cursor: pointer;
  background-color: rgba(0, 0, 0, 0.2); /* Slightly lighter than card-bg */
  color: var(--text-main);
  list-style: none; /* For details/summary */
}
.page-login__faq-question::-webkit-details-marker {
  display: none;
}

.page-login__faq-qtext {
  flex-grow: 1;
}

.page-login__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--glow-color);
  transition: transform 0.3s ease;
}

.page-login__faq-item[open] .page-login__faq-toggle {
  transform: rotate(45deg); /* Plus to X for open state */
}

.page-login__faq-answer {
  padding: 0 25px 20px;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* CTA Section */
.page-login__cta-section {
  padding: 80px 20px;
  text-align: center;
  background-color: var(--deep-green); /* #0A4B2C */
  color: var(--text-main);
}

.page-login__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  flex-wrap: wrap; /* Allow wrapping on small screens */
}

.page-login__btn-secondary {
  display: inline-block;
  padding: 14px 30px;
  border: 2px solid var(--glow-color); /* #57E38D */
  border-radius: 8px;
  background: transparent;
  color: var(--glow-color);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

.page-login__btn-secondary:hover {
  background-color: var(--glow-color);
  color: var(--background-color); /* Dark text on light background */
  box-shadow: 0 4px 15px rgba(87, 227, 141, 0.3);
}


/* Responsive Design */
@media (max-width: 1024px) {
  .page-login__hero-section {
    padding: 40px 20px;
  }
  .page-login__section-title {
    font-size: 2rem;
  }
  .page-login__grid-3-col, .page-login__grid-2-col {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-login__main-title {
    font-size: clamp(1.8rem, 8vw, 2.2rem);
  }
  .page-login__section-title {
    font-size: 1.8rem;
  }
  .page-login__description, .page-login__section-description, .page-login p, .page-login li {
    font-size: 0.95rem;
  }
  .page-login__hero-section, .page-login__dark-section, .page-login__light-bg, .page-login__cta-section {
    padding: 50px 15px;
  }
  .page-login__login-card {
    padding: 25px;
  }
  .page-login__btn-primary, .page-login__btn-secondary {
    font-size: 1rem;
    padding: 12px 20px;
  }
  .page-login__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-login__btn-primary,
  .page-login__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-login__cta-buttons,
  .page-login__button-group,
  .page-login__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }

  /* Images responsive */
  .page-login img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-login__section,
  .page-login__card,
  .page-login__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-login__hero-section {
    padding-top: 10px !important; /* body already handles --header-offset */
  }
  .page-login__benefit-icon {
    height: auto; /* Allow height to adjust on mobile */
  }
}