.page-login {
  color: #F3F8FF; /* Text Main for dark body background */
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
}

.page-login__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.page-login__hero-section {
  padding-top: 10px; /* Small top padding, relying on body for header offset */
  background-color: var(--deep-navy);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.page-login__hero-image-wrapper {
  width: 100%;
  max-width: 1920px; /* Max width for the image */
  margin-bottom: 20px;
}

.page-login__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-login__hero-content {
  padding: 0 20px 40px;
  max-width: 900px;
}

.page-login__main-title {
  font-size: 2.8em;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 15px;
  color: #F3F8FF;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-login__description {
  font-size: 1.1em;
  color: #AFC4E8;
  margin-bottom: 30px;
}

.page-login__form-section {
  background-color: var(--deep-navy);
  padding: 60px 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-login__login-card {
  background: #10233F; /* Card BG */
  border-radius: 10px;
  padding: 40px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  width: 100%;
  max-width: 450px;
  border: 1px solid #244D84; /* Border */
}

.page-login__card-title {
  font-size: 2em;
  color: #F3F8FF;
  text-align: center;
  margin-bottom: 30px;
  font-weight: 600;
}

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

.page-login__label {
  display: block;
  margin-bottom: 8px;
  color: #F3F8FF;
  font-weight: 500;
}

.page-login__input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #244D84;
  border-radius: 5px;
  background-color: #08162B;
  color: #F3F8FF;
  font-size: 1em;
  box-sizing: border-box;
}

.page-login__input::placeholder {
  color: #AFC4E8;
}

.page-login__input:focus {
  border-color: #1D5FD1;
  outline: none;
  box-shadow: 0 0 0 3px rgba(29, 95, 209, 0.3);
}

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

.page-login__remember-me {
  display: flex;
  align-items: center;
}

.page-login__checkbox {
  margin-right: 8px;
  width: 16px;
  height: 16px;
  accent-color: #1D5FD1;
}

.page-login__checkbox-label {
  color: #AFC4E8;
  user-select: none;
}

.page-login__forgot-password {
  color: #AFC4E8;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-login__forgot-password:hover {
  color: #1D5FD1;
}

.page-login__submit-button,
.page-login__register-button {
  display: block;
  width: 100%;
  padding: 14px 20px;
  border: none;
  border-radius: 5px;
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%); /* Button Gradient */
  color: #F3F8FF;
  font-size: 1.1em;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  box-sizing: border-box;
  max-width: 100%; /* Ensure button responsiveness */
  white-space: normal;
  word-wrap: break-word;
}

.page-login__submit-button:hover,
.page-login__register-button:hover {
  background: linear-gradient(180deg, #1144A6 0%, #2B73F6 100%);
  transform: translateY(-2px);
}

.page-login__divider {
  height: 1px;
  background-color: #1B3357; /* Divider */
  margin: 30px 0;
}

.page-login__no-account-text {
  color: #AFC4E8;
  text-align: center;
  margin-bottom: 20px;
}

.page-login__features-section {
  background-color: #08162B; /* Deep Navy */
  padding: 80px 0;
  text-align: center;
}

.page-login__section-title {
  font-size: 2.5em;
  color: #F3F8FF;
  margin-bottom: 50px;
  font-weight: 700;
}

.page-login__features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.page-login__feature-item {
  background: #10233F; /* Card BG */
  border-radius: 10px;
  padding: 30px 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  border: 1px solid #244D84;
}

.page-login__feature-icon {
  width: 200px;
  height: 150px;
  object-fit: contain;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-login__feature-title {
  font-size: 1.5em;
  color: #F3F8FF;
  margin-bottom: 10px;
  font-weight: 600;
}

.page-login__feature-description {
  color: #AFC4E8;
  font-size: 0.95em;
}

.page-login__faq-section {
  background-color: var(--deep-navy);
  padding: 80px 0;
}

.page-login__faq-list {
  max-width: 800px;
  margin: 40px auto 0;
}

details.page-login__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #244D84; /* Border */
  overflow: hidden;
  background: #10233F; /* Card BG */
}
details.page-login__faq-item summary.page-login__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}
details.page-login__faq-item summary.page-login__faq-question::-webkit-details-marker {
  display: none;
}
details.page-login__faq-item summary.page-login__faq-question:hover {
  background: rgba(29, 95, 209, 0.1);
}
.page-login__faq-qtext {
  flex: 1;
  font-size: 1.1em;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #F3F8FF;
}
.page-login__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #4FA8FF; /* Glow */
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-login__faq-item .page-login__faq-answer {
  padding: 0 20px 20px;
  background: #08162B; /* Deep Navy */
  border-radius: 0 0 5px 5px;
  color: #AFC4E8;
}

/* --- Mobile Responsiveness --- */
@media (max-width: 768px) {
  .page-login {
    font-size: 15px; /* Adjust base font size for mobile readability */
    line-height: 1.6;
  }

  /* 1. 首页轮播 (__hero-slider) - Required for CSS compliance */
  .page-login__hero-slider {
    padding-top: 10px !important;
  }
  .page-login__hero-slider .page-login__hero-image {
    max-width: 100% !important;
    height: auto !important;
  }

  /* 2. 首页双列 CTA (__promo-duo / __promo-duo-grid) - Required for CSS compliance */
  .page-login__promo-duo-grid {
    grid-template-columns: 1fr !important;
    gap: 15px !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }
  .page-login__promo-duo-grid .page-login__cta-button {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 3. 首页长文滚动框/博客滑块 (__home-content, __blog-slider) - Required for CSS compliance */
  .page-login__home-content {
    height: auto !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }
  .page-login__home-content-inner {
    overflow-y: visible !important;
  }
  .page-login__blog-slider {
    padding-left: 15px !important;
    padding-right: 15px !important;
  }
  .page-login__post-cover {
    aspect-ratio: 16 / 9 !important;
    object-fit: cover !important;
    max-width: 100% !important;
    height: auto !important;
  }
  .page-login__table-responsive {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
  }

  /* General content and image adjustments */
  .page-login__hero-content {
    padding: 0 15px 30px;
  }

  .page-login__main-title {
    font-size: 2em;
  }

  .page-login__description {
    font-size: 1em;
  }

  .page-login__form-section {
    padding: 40px 15px;
  }

  .page-login__login-card {
    padding: 30px 20px;
  }

  .page-login__card-title {
    font-size: 1.8em;
    margin-bottom: 25px;
  }

  .page-login__form-options {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .page-login__forgot-password {
    text-align: left;
    width: 100%;
  }

  .page-login__features-section {
    padding: 50px 15px;
  }

  .page-login__section-title {
    font-size: 2em;
    margin-bottom: 30px;
  }

  .page-login__features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-login__feature-icon {
    width: 150px;
    height: 112px;
  }

  .page-login__feature-title {
    font-size: 1.3em;
  }

  .page-login__faq-section {
    padding: 50px 15px;
  }

  .page-login__faq-list {
    margin-top: 30px;
  }

  details.page-login__faq-item summary.page-login__faq-question {
    padding: 15px;
  }
  .page-login__faq-qtext {
    font-size: 1em;
  }
  details.page-login__faq-item .page-login__faq-answer {
    padding: 0 15px 15px;
  }

  /* 4. 通用图片与容器 */
  .page-login img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-login__container,
  .page-login__section,
  .page-login__login-card,
  .page-login__features-grid,
  .page-login__faq-list,
  .page-login__hero-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  /* 5. 按钮与按钮容器 */
  .page-login__submit-button,
  .page-login__register-button,
  .page-login a[class*="button"],
  .page-login a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }
  .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 !important;
    padding-right: 15px !important;
    flex-wrap: wrap !important;
    gap: 10px;
  }
  .page-login__cta-buttons {
    display: flex;
    flex-direction: column; /* Mobile vertical stacking */
  }

  /* 6. Nội dung FAQ và các module nội dung khác */
  details.page-login__faq-item summary.page-login__faq-question {
    padding: 15px !important;
  }
  .page-login__faq-qtext {
    font-size: 1em !important;
  }
  details.page-login__faq-item .page-login__faq-answer {
    padding: 0 15px 15px !important;
  }
}