/* style/blog.css */
/* body 已 padding-top: var(--header-offset)；页面禁止再写该变量 */

:root {
  --color-primary: #E53935;
  --color-secondary: #FF5A4F;
  --color-background-light: #F5F7FA;
  --color-card-bg: #FFFFFF;
  --color-text-main: #333333;
  --color-border: #E0E0E0;
  --gradient-button: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
}

.page-blog {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text-main); /* Default text color for light background */
  background-color: var(--color-background-light);
}

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

/* Hero Section */
.page-blog__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 0; /* Adjusted padding, small top padding */
  text-align: center;
  overflow: hidden;
  background: var(--color-primary);
  color: #ffffff;
  padding-top: 10px; /* Small top padding, body already handles offset */
}

.page-blog__hero-image {
  width: 100%;
  max-width: 1920px;
  height: auto;
  display: block;
  margin-top: 30px; /* Space between text and image */
  border-radius: 8px;
  object-fit: cover;
}

.page-blog__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #ffffff;
  max-width: 900px;
}

.page-blog__hero-description {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  margin-bottom: 30px;
  max-width: 800px;
  opacity: 0.9;
}

.page-blog__cta-group {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

/* Buttons */
.page-blog__btn-primary,
.page-blog__btn-secondary {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-blog__btn-primary {
  background: var(--gradient-button);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-blog__btn-primary:hover {
  background: var(--color-primary);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

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

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

/* Content Area */
.page-blog__content-area {
  padding: 60px 0;
  background-color: var(--color-background-light);
}

.page-blog__section-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  color: var(--color-text-main);
  text-align: center;
  margin-bottom: 20px;
}

.page-blog__section-description {
  font-size: 1.1rem;
  color: #555555;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
}

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

.page-blog__post-card {
  background-color: var(--color-card-bg);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--color-border);
}

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

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

.page-blog__post-image {
  width: 100%;
  height: 225px; /* Fixed height for consistency */
  object-fit: cover;
  display: block;
}

.page-blog__post-content {
  padding: 25px;
}

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

.page-blog__post-card:hover .page-blog__post-title {
  color: var(--color-secondary);
}

.page-blog__post-meta {
  font-size: 0.9rem;
  color: #777777;
  margin-bottom: 15px;
  display: block;
}

.page-blog__post-summary {
  font-size: 1rem;
  color: #555555;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-blog__read-more-btn {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 3px;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.page-blog__post-card:hover .page-blog__read-more-btn {
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.page-blog__view-all-posts {
  text-align: center;
  margin-top: 50px;
}

/* CTA Section */
.page-blog__cta-section {
  background: var(--color-primary);
  color: #ffffff;
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-blog__cta-section .page-blog__container {
  position: relative;
  z-index: 1;
}

.page-blog__cta-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  margin-bottom: 20px;
  color: #ffffff;
}

.page-blog__cta-description {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.9;
}

.page-blog__cta-image {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 100%;
  max-width: 600px;
  height: auto;
  opacity: 0.3;
  pointer-events: none;
  object-fit: cover;
  z-index: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-blog__hero-image {
    width: 90%;
  }
  .page-blog__cta-image {
    max-width: 400px;
  }
}

@media (max-width: 768px) {
  .page-blog {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-blog__container {
    padding: 0 15px;
  }

  .page-blog__hero-section,
  .page-blog__cta-section {
    padding: 40px 15px;
    padding-top: 10px !important; /* body already handles offset */
  }

  .page-blog__main-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
  }

  .page-blog__hero-description {
    font-size: 1rem;
  }

  .page-blog__cta-group {
    flex-direction: column;
    gap: 15px;
  }

  .page-blog__btn-primary,
  .page-blog__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 0.95rem;
    white-space: normal !important;
    word-wrap: break-word !important;
    box-sizing: border-box !important;
  }

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

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

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

  .page-blog__post-title {
    font-size: 1.2rem;
  }

  .page-blog__cta-title {
    font-size: clamp(1.6rem, 7vw, 2.2rem);
  }

  .page-blog__cta-description {
    font-size: 1rem;
  }

  /* Image responsiveness */
  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    box-sizing: border-box !important;
  }
  
  .page-blog__hero-section,
  .page-blog__content-area,
  .page-blog__cta-section,
  .page-blog__post-card,
  .page-blog__container,
  .page-blog__cta-group {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-blog__hero-image,
  .page-blog__cta-image {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    position: static !important; /* Ensure it flows normally */
    opacity: 1 !important; /* Make sure CTA image is visible */
  }
  .page-blog__cta-image {
    margin-top: 30px;
  }

  .page-blog__view-all-posts .page-blog__btn-primary {
    width: 100% !important;
    max-width: 100% !important;
  }
}

/* Color Contrast Fixes (if needed, although base colors are chosen for contrast) */
.page-blog__dark-section {
  background: var(--color-primary);
  color: #ffffff;
}

.page-blog__light-bg {
  background: var(--color-background-light);
  color: var(--color-text-main);
}