:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --text-color-dark: #333333;
  --text-color-light: #ffffff;
  --border-color: #e0e0e0;
  --background-light: #f9f9f9;
  --button-login: #EA7C07;
}

.page-blog {
  font-family: 'Arial', sans-serif;
  color: var(--text-color-dark); /* Body background is light, so use dark text */
  line-height: 1.6;
  background-color: var(--secondary-color); /* Matches body background for consistency */
}

/* Hero Section */
.page-blog__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, relying on body for header offset */
  margin-bottom: 40px;
  text-align: center;
  overflow: hidden; /* Ensure content doesn't overflow */
}

.page-blog__hero-image {
  width: 100%;
  height: 600px; /* Fixed height for desktop */
  overflow: hidden;
  margin-bottom: 30px;
}

.page-blog__hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* Cover for desktop to fill space */
  display: block;
}

.page-blog__hero-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

.page-blog__main-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem); /* Use clamp for H1 */
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 15px;
  line-height: 1.2;
}

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

.page-blog__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
}

.page-blog__btn-primary,
.page-blog__btn-secondary {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%; /* Ensure buttons don't overflow */
  white-space: normal;
  word-wrap: break-word;
}

.page-blog__btn-primary {
  background: var(--primary-color);
  color: var(--text-color-light);
  border: 2px solid var(--primary-color);
}

.page-blog__btn-primary:hover {
  background: #2197cc; /* Darkened primary color */
  border-color: #2197cc; /* Darkened primary color */
}

.page-blog__btn-secondary {
  background: var(--secondary-color);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-blog__btn-secondary:hover {
  background: var(--primary-color);
  color: var(--text-color-light);
}

.page-blog__btn-primary--large {
  padding: 16px 35px;
  font-size: 1.1rem;
}

/* General Container */
.page-blog__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Section Titles */
.page-blog__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: var(--primary-color);
}

.page-blog__section-title--light {
  color: var(--text-color-light);
}

/* Latest Articles Section */
.page-blog__latest-articles-section {
  padding: 60px 0;
  background-color: var(--background-light);
}

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

.page-blog__article-card {
  background: var(--secondary-color);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-blog__article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-blog__article-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

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

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

.page-blog__article-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 10px;
  line-height: 1.4;
}

.page-blog__article-meta {
  font-size: 0.9rem;
  color: #777;
  margin-bottom: 15px;
}

.page-blog__article-excerpt {
  font-size: 1rem;
  color: var(--text-color-dark);
  margin-bottom: 15px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-blog__read-more {
  display: inline-block;
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
}

.page-blog__read-more:hover {
  text-decoration: underline;
}

.page-blog__view-all-wrapper {
  text-align: center;
  margin-top: 20px;
}

/* Categories Section */
.page-blog__categories-section {
  padding: 60px 0;
  background: var(--primary-color);
}

.page-blog__categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 25px;
}

.page-blog__category-card {
  background: var(--secondary-color);
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  text-align: center;
  padding: 15px;
  text-decoration: none;
  color: var(--text-color-dark);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-blog__category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.page-blog__category-image {
  width: 100%; /* Take full width of card */
  height: 120px; /* Fixed height for category images */
  object-fit: contain; /* Contain to show full image */
  margin-bottom: 10px;
  display: block;
}

.page-blog__category-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin: 0;
}

/* About Section */
.page-blog__about-section {
  padding: 60px 0;
  background-color: var(--secondary-color);
}

.page-blog__text-block p {
  margin-bottom: 15px;
  font-size: 1rem;
  line-height: 1.7;
}

/* FAQ Section */
.page-blog__faq-section {
  padding: 60px 0;
  background-color: var(--background-light);
}

.page-blog__faq-list {
  max-width: 900px;
  margin: 0 auto;
}

details.page-blog__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  background: var(--secondary-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}
details.page-blog__faq-item summary.page-blog__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-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: var(--background-light);
}
.page-blog__faq-qtext {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--primary-color);
}
.page-blog__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #666;
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-blog__faq-item .page-blog__faq-answer {
  padding: 0 20px 20px;
  background: var(--background-light);
  border-radius: 0 0 8px 8px;
}
.page-blog__faq-answer p {
  margin-bottom: 0; /* Remove default paragraph margin */
  color: var(--text-color-dark);
}
.page-blog__faq-answer a {
  color: var(--primary-color);
  text-decoration: underline;
}

/* Bottom CTA Section */
.page-blog__cta-bottom-section {
  padding: 60px 0;
  background: var(--primary-color);
  text-align: center;
}

.page-blog__description--light {
  color: var(--text-color-light);
  max-width: 800px;
  margin: 0 auto 30px auto;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-blog__hero-image {
    height: 500px;
  }
  .page-blog__article-image {
    height: 200px;
  }
  .page-blog__category-image {
    height: 100px;
  }
  .page-blog__articles-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  .page-blog__categories-grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-blog__hero-section {
    padding-top: 10px; /* Small top padding, not --header-offset */
    margin-bottom: 30px;
  }
  .page-blog__hero-image {
    height: 250px; /* Adjust height for mobile */
    margin-bottom: 20px;
  }
  .page-blog__hero-image img {
    object-fit: contain !important; /* Ensure full image is visible, not cropped */
    aspect-ratio: unset !important; /* Reset aspect ratio for contain */
    width: 100% !important;
    height: 100% !important;
  }
  .page-blog__hero-content {
    padding: 0 15px;
  }
  .page-blog__main-title {
    font-size: clamp(1.8rem, 7vw, 2.2rem); /* Smaller H1 for mobile */
    margin-bottom: 10px;
    word-wrap: break-word; /* Ensure text wraps */
  }
  .page-blog__description {
    font-size: 1rem;
    margin-bottom: 20px;
  }
  .page-blog__cta-buttons {
    flex-direction: column; /* Stack buttons vertically */
    gap: 15px;
    margin-bottom: 30px;
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  /* 按钮与按钮容器 */
  .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;
  }

  /* 通用图片与容器 */
  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-blog__container,
  .page-blog__latest-articles-section .page-blog__container,
  .page-blog__categories-section .page-blog__container,
  .page-blog__about-section .page-blog__container,
  .page-blog__faq-section .page-blog__container,
  .page-blog__cta-bottom-section .page-blog__container,
  .page-blog__articles-grid,
  .page-blog__categories-grid,
  .page-blog__faq-list,
  .page-blog__text-block {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow-x: hidden; /* Prevent horizontal scroll */
  }

  /* 装饰主标题 + 长文 SEO 区 */
  .page-blog__section-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    margin-bottom: 30px;
    text-align: center;
    word-wrap: break-word;
  }
  .page-blog__article-body {
    max-width: 100% !important;
    padding: 0 15px;
    box-sizing: border-box;
  }
  .page-blog__article-card {
    margin-bottom: 20px;
  }
  .page-blog__article-image {
    height: 180px;
  }
  .page-blog__article-title {
    font-size: 1.1rem;
  }
  .page-blog__category-image {
    height: 80px;
  }
  .page-blog__category-title {
    font-size: 1rem;
  }
  .page-blog__categories-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); /* More compact grid */
    gap: 15px;
  }

  /* FAQ */
  details.page-blog__faq-item summary.page-blog__faq-question { padding: 15px; }
  .page-blog__faq-qtext { font-size: 1rem; }
  .page-blog__faq-toggle {
    font-size: 20px;
    width: 24px;
    margin-left: 10px;
  }
  details.page-blog__faq-item .page-blog__faq-answer {
    padding: 0 15px 15px;
  }
}