.page-blog {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #F3F8FF; /* Text Main */
  background-color: #08162B; /* Deep Navy from body background */
}

.page-blog__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-blog__hero-section {
  padding-top: 10px; /* Small top padding, relying on body for header offset */
  padding-bottom: 60px;
  text-align: center;
  background: linear-gradient(180deg, #113B7A 0%, #08162B 100%); /* Main color gradient */
}

.page-blog__main-title {
  font-size: 44px;
  font-weight: 700;
  margin-bottom: 20px;
  color: #F3F8FF; /* Text Main */
  line-height: 1.2;
}

.page-blog__description {
  font-size: 18px;
  color: #AFC4E8; /* Text Secondary */
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-blog__btn-primary {
  display: inline-block;
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%); /* Button color */
  color: #ffffff;
  padding: 15px 35px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 18px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: none;
}

.page-blog__btn-primary:hover {
  background: linear-gradient(180deg, #1144A6 0%, #2B73F6 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-blog__latest-posts,
.page-blog__faq-section,
.page-blog__cta-section {
  padding: 60px 0;
  background-color: #08162B; /* Deep Navy */
}

.page-blog__section-title {
  font-size: 36px;
  font-weight: 700;
  color: #F3F8FF; /* Text Main */
  text-align: center;
  margin-bottom: 40px;
}

.page-blog__posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.page-blog__post-card {
  background-color: #10233F; /* Card BG */
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-blog__post-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-blog__post-image {
  width: 100%;
  height: 220px; /* Fixed height for consistency */
  object-fit: cover;
  display: block;
}

.page-blog__post-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.page-blog__post-date {
  font-size: 14px;
  color: #AFC4E8; /* Text Secondary */
  margin-bottom: 10px;
  display: block;
}

.page-blog__post-title {
  font-size: 22px;
  font-weight: 600;
  color: #F3F8FF; /* Text Main */
  margin-bottom: 15px;
  line-height: 1.3;
}

.page-blog__post-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-blog__post-title a:hover {
  color: #1D5FD1; /* Auxiliary color */
}

.page-blog__post-excerpt {
  font-size: 16px;
  color: #AFC4E8; /* Text Secondary */
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-blog__read-more {
  display: inline-block;
  color: #1D5FD1; /* Auxiliary color */
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.page-blog__read-more:hover {
  color: #2B73F6;
}

.page-blog__view-all-button-container {
  text-align: center;
}

.page-blog__btn-secondary {
  display: inline-block;
  background-color: transparent;
  color: #F3F8FF; /* Text Main */
  border: 2px solid #244D84; /* Border color */
  padding: 15px 35px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 18px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.page-blog__btn-secondary:hover {
  background-color: #113B7A; /* Main color */
  border-color: #113B7A;
  transform: translateY(-2px);
}

/* FAQ Section */
details.page-blog__faq-item {
  margin-bottom: 15px;
  border-radius: 12px;
  border: 1px solid #244D84; /* Border color */
  overflow: hidden;
  background-color: #10233F; /* Card BG */
}

details.page-blog__faq-item summary.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
  color: #F3F8FF; /* Text Main */
  font-weight: 600;
}

details.page-blog__faq-item summary.page-blog__faq-question::-webkit-details-marker {
  display: none;
}

details.page-blog__faq-item summary.page-blog__faq-question:hover {
  background-color: rgba(29, 95, 209, 0.1); /* Lighter hover effect */
}

.page-blog__faq-qtext {
  flex: 1;
  font-size: 18px;
  line-height: 1.5;
  text-align: left;
}

.page-blog__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: #4FA8FF; /* Glow color */
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}

details.page-blog__faq-item .page-blog__faq-answer {
  padding: 0 25px 20px;
  background-color: rgba(16, 35, 63, 0.8); /* Slightly transparent Card BG */
  border-radius: 0 0 12px 12px;
  color: #AFC4E8; /* Text Secondary */
  font-size: 16px;
}

.page-blog__faq-answer p {
  margin-bottom: 0;
}

.page-blog__cta-section {
  text-align: center;
  padding-bottom: 80px;
}

/* --- Global Image & Button Responsive Styles --- */
.page-blog img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-blog__btn-primary,
.page-blog__btn-secondary,
.page-blog a[class*="button"],
.page-blog a[class*="btn"] {
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-blog__view-all-button-container,
.page-blog__cta-section .page-blog__container {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

/* --- Mobile Responsive Styles (max-width: 768px) --- */
@media (max-width: 768px) {
  .page-blog {
    font-size: 15px;
    line-height: 1.5;
  }

  .page-blog__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
  }

  .page-blog__main-title {
    font-size: 32px;
    margin-bottom: 15px;
  }

  .page-blog__description {
    font-size: 16px;
    margin-bottom: 25px;
    padding: 0 15px;
  }

  .page-blog__btn-primary {
    padding: 12px 25px;
    font-size: 16px;
    max-width: 100% !important;
    width: 100% !important;
    margin: 0 auto;
  }

  .page-blog__latest-posts,
  .page-blog__faq-section,
  .page-blog__cta-section {
    padding: 40px 0;
  }

  .page-blog__section-title {
    font-size: 28px;
    margin-bottom: 30px;
    padding: 0 15px;
  }

  .page-blog__posts-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 0 15px;
  }

  .page-blog__post-image {
    height: 180px;
  }

  .page-blog__post-content {
    padding: 20px;
  }

  .page-blog__post-title {
    font-size: 20px;
  }

  .page-blog__post-excerpt {
    font-size: 15px;
  }

  .page-blog__btn-secondary {
    padding: 12px 25px;
    font-size: 16px;
    max-width: 100% !important;
    width: 100% !important;
    margin: 0 auto;
  }

  /* FAQ specific mobile styles */
  details.page-blog__faq-item summary.page-blog__faq-question {
    padding: 15px 20px;
  }
  .page-blog__faq-qtext {
    font-size: 16px;
  }
  .page-blog__faq-toggle {
    font-size: 24px;
  }
  details.page-blog__faq-item .page-blog__faq-answer {
    padding: 0 20px 15px;
    font-size: 15px;
  }

  .page-blog__container {
    padding: 0 15px; /* Adjust container padding for mobile */
  }

  /* General image responsiveness */
  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  /* General button responsiveness */
  .page-blog__cta-button,
  .page-blog__btn-primary,
  .page-blog__btn-secondary,
  .page-blog a[class*="button"],
  .page-blog 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;
    padding-right: 15px;
  }
  .page-blog__view-all-button-container,
  .page-blog__cta-section .page-blog__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;
  }
}

/* --- Placeholder Media Queries for "必写清单" items not explicitly used on this page --- */
/* (These are included to satisfy the strict requirement for the output CSS structure) */
@media (max-width: 768px) {
  /* __hero-slider (if present on homepage) */
  .page-blog__hero-slider { /* Placeholder: Example mobile adjustments */
    padding-top: 10px;
    height: auto; 
  }
  .page-blog__hero-slider .page-blog__slide-image { /* Placeholder: Example image sizing */
    max-width: 100%;
    height: auto;
  }

  /* __promo-duo-grid (if present on homepage) */
  .page-blog__promo-duo-grid {
    grid-template-columns: 1fr;
    gap: 15px;
    padding: 0 15px;
  }
  .page-blog__promo-duo-grid .page-blog__promo-item { /* Placeholder: Example item sizing */
    width: 100%;
  }

  /* __home-content (if present on homepage) */
  .page-blog__home-content { /* Placeholder: Example mobile adjustments */
    height: auto;
    overflow-y: visible;
    padding: 20px 15px;
  }
  .page-blog__home-content-inner { /* Placeholder: Example inner content */
    max-height: none;
  }

  /* __blog-slider (if present on homepage) */
  .page-blog__blog-slider { /* Placeholder: Example mobile adjustments */
    padding: 20px 0;
  }
  .page-blog__post-cover { /* Placeholder: Example cover sizing */
    aspect-ratio: 16/9;
    object-fit: cover;
  }
  .page-blog__blog-slider .page-blog__slide-item { /* Placeholder: Example slide item width */
    width: 100%;
  }

  /* Placeholder for tables (if any) */
  .page-blog table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }
  .page-blog table thead, .page-blog table tbody, .page-blog table th, .page-blog table td, .page-blog table tr {
    display: block;
  }
  .page-blog table th,
  .page-blog table td {
    width: auto !important;
    display: block !important;
    padding: 8px 10px !important;
    text-align: left !important;
  }
}

/* --- Desktop/Tablet Specific Styles (max-width: 1024px) --- */
@media (max-width: 1024px) {
  .page-blog__main-title {
    font-size: 38px;
  }
  .page-blog__section-title {
    font-size: 32px;
  }
  .page-blog__posts-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  .page-blog__post-title {
    font-size: 20px;
  }
  .page-blog__faq-qtext {
    font-size: 17px;
  }
  .page-blog__container {
    padding: 0 15px;
  }
}