/* style/blog.css */

/* Variables (if needed, but mainly from shared.css) */
:root {
  --primary-color: #E53935;
  --secondary-color: #FF5A4F;
  --text-main-color: #333333;
  --card-bg-color: #FFFFFF;
  --background-color: #F5F7FA;
  --border-color: #E0E0E0;
}

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

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

.page-blog__section-title {
  font-size: 2.5em;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 15px;
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-blog__section-subtitle {
  font-size: 1.1em;
  color: #666666;
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.page-blog__hero-section {
  position: relative;
  background-color: var(--primary-color);
  padding-top: 10px; /* Small top padding, relying on body padding-top for header offset */
  padding-bottom: 60px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.page-blog__hero-image {
  width: 100%;
  height: auto;
  display: block;
  max-height: 500px; /* Limit height for aesthetic */
  object-fit: cover;
  margin-bottom: 30px;
}

.page-blog__hero-content {
  max-width: 900px;
  padding: 0 20px;
  color: #ffffff;
  z-index: 1;
}

.page-blog__main-title {
  font-size: clamp(2.2em, 4vw, 3.2em); /* Use clamp for H1 */
  color: #ffffff;
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.2;
}

.page-blog__description {
  font-size: 1.1em;
  margin-bottom: 30px;
  line-height: 1.7;
}

.page-blog__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap; /* Allow wrapping on smaller screens */
  width: 100%; /* Ensure container takes full width */
  max-width: 100%;
  box-sizing: border-box;
}

.page-blog__btn-primary,
.page-blog__btn-secondary {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.05em;
  transition: all 0.3s ease;
  max-width: 100%; /* Ensure buttons adapt */
  box-sizing: border-box;
  white-space: normal; /* Allow text wrap */
  word-wrap: break-word; /* Allow text wrap */
}

.page-blog__btn-primary {
  background: linear-gradient(180deg, var(--secondary-color) 0%, var(--primary-color) 100%);
  color: #ffffff;
  border: none;
}

.page-blog__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

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

.page-blog__btn-secondary:hover {
  background-color: var(--primary-color);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Latest Posts Section */
.page-blog__latest-posts-section {
  padding: 80px 0;
  background-color: var(--background-color);
}

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

.page-blog__post-card {
  background-color: var(--card-bg-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%; /* Ensure cards have consistent height */
  display: flex;
  flex-direction: column;
}

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

.page-blog__post-card a {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  height: 100%;
}

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

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

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

.page-blog__post-meta {
  font-size: 0.9em;
  color: #888888;
  margin-bottom: 15px;
}

.page-blog__post-excerpt {
  font-size: 1em;
  color: #555555;
  margin-bottom: 15px;
  flex-grow: 1; /* Allow excerpt to grow */
}

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

/* Categories Section */
.page-blog__categories-section {
  padding: 80px 0;
  background-color: var(--primary-color);
  color: #ffffff;
}

.page-blog__categories-section .page-blog__section-title,
.page-blog__categories-section .page-blog__section-subtitle {
  color: #ffffff;
}

.page-blog__categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.page-blog__category-card {
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  text-decoration: none;
  color: #ffffff;
  transition: background-color 0.3s ease, transform 0.3s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 150px;
}

.page-blog__category-card:hover {
  background-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-5px);
}

.page-blog__category-title {
  font-size: 1.5em;
  margin-bottom: 10px;
  font-weight: 600;
}

.page-blog__category-count {
  font-size: 0.95em;
  opacity: 0.8;
}

/* FAQ Section */
.page-blog__faq-section {
  padding: 80px 0;
  background-color: var(--background-color);
}

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

.page-blog__faq-item {
  background-color: var(--card-bg-color);
  border-radius: 10px;
  margin-bottom: 15px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.page-blog__faq-item summary {
  list-style: none; /* Remove default marker */
}

.page-blog__faq-item summary::-webkit-details-marker {
  display: none; /* Hide for Webkit browsers */
}

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2em;
  font-weight: 600;
  color: var(--text-main-color);
  cursor: pointer;
  background-color: var(--card-bg-color);
  transition: background-color 0.3s ease;
}

.page-blog__faq-question:hover {
  background-color: #f9f9f9;
}

.page-blog__faq-toggle {
  font-size: 1.5em;
  font-weight: normal;
  color: var(--primary-color);
  margin-left: 15px;
}

.page-blog__faq-item[open] .page-blog__faq-toggle {
  content: "−"; /* Change to minus when open */
}

.page-blog__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1em;
  color: #555555;
  line-height: 1.6;
  max-height: 0; /* For JS based accordion */
  overflow: hidden; /* For JS based accordion */
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.page-blog__faq-item[open] .page-blog__faq-answer {
  max-height: 500px; /* Adjust as needed for content */
  padding-top: 10px;
}

/* CTA Banner Section */
.page-blog__cta-banner {
  background-color: var(--primary-color);
  padding: 80px 20px;
  text-align: center;
  color: #ffffff;
}

.page-blog__cta-banner .page-blog__section-title,
.page-blog__cta-banner .page-blog__section-subtitle {
  color: #ffffff;
}

.page-blog__cta-banner .page-blog__btn-primary {
  margin-top: 30px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-blog__section-title {
    font-size: 2em;
  }

  .page-blog__hero-content {
    padding: 0 15px;
  }

  .page-blog__main-title {
    font-size: clamp(2em, 4vw, 2.8em);
  }

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

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-blog__hero-section {
    padding-top: 10px !important; /* Small top padding, relying on body padding-top for header offset */
    padding-bottom: 40px;
  }
  .page-blog__hero-image {
    max-height: 300px;
    margin-bottom: 20px;
  }
  .page-blog__hero-content {
    padding: 0 15px;
  }
  .page-blog__main-title {
    font-size: clamp(1.8em, 6vw, 2.5em) !important;
    margin-bottom: 15px;
  }
  .page-blog__description {
    font-size: 1em;
    margin-bottom: 20px;
  }
  .page-blog__cta-buttons {
    flex-direction: column !important; /* Stack buttons vertically */
    gap: 10px;
    padding: 0 15px;
  }

  /* 通用图片与容器 */
  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-blog__container,
  .page-blog__latest-posts-section,
  .page-blog__categories-section,
  .page-blog__faq-section,
  .page-blog__cta-banner {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !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 !important; /* Ensure padding inside button */
    padding-right: 15px !important;
  }
  .page-blog__cta-buttons,
  .page-blog__button-group,
  .page-blog__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0px !important; /* Outer container padding handled by section */
    padding-right: 0px !important;
    flex-wrap: wrap !important;
    gap: 10px;
  }
  .page-blog__cta-buttons {
    display: flex;
    flex-direction: column; /* Ensure vertical stacking for CTA buttons */
  }

  /* Other content modules (blog cards, categories, FAQ) */
  .page-blog__latest-posts-section,
  .page-blog__categories-section,
  .page-blog__faq-section,
  .page-blog__cta-banner {
    padding: 40px 0;
  }
  .page-blog__section-title {
    font-size: 1.8em !important;
    margin-bottom: 10px;
  }
  .page-blog__section-subtitle {
    font-size: 1em;
    margin-bottom: 30px;
  }
  .page-blog__posts-grid {
    grid-template-columns: 1fr; /* Single column for blog posts */
  }
  .page-blog__post-card {
    height: auto; /* Allow height to adjust */
  }
  .page-blog__post-image {
    height: 180px;
  }
  .page-blog__post-title {
    font-size: 1.2em;
  }
  .page-blog__categories-grid {
    grid-template-columns: 1fr; /* Single column for categories */
  }
  .page-blog__category-card {
    min-height: 120px;
  }
  .page-blog__category-title {
    font-size: 1.3em;
  }
  .page-blog__faq-question {
    font-size: 1.1em;
    padding: 15px 20px;
  }
  .page-blog__faq-answer {
    padding: 0 20px 15px 20px;
  }

  /* General font size and line height for better readability on mobile */
  .page-blog {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-blog__card {
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  }
}