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

:root {
  --page-blog-primary-color: #11A84E;
  --page-blog-secondary-color: #22C768;
  --page-blog-text-main: #F2FFF6;
  --page-blog-text-secondary: #A7D9B8;
  --page-blog-bg-dark: #08160F;
  --page-blog-card-bg: #11271B;
  --page-blog-border-color: #2E7A4E;
  --page-blog-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

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

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

.page-blog__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 60px;
  overflow: hidden;
}

.page-blog__hero-image-wrapper {
  width: 100%;
  max-height: 700px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

.page-blog__hero-content {
  text-align: center;
  padding: 40px 20px;
  max-width: 900px;
  margin-top: -100px; /* Adjust to slightly overlap the image, but not cover text */
  background: rgba(17, 39, 27, 0.85); /* Card BG with transparency */
  border-radius: 10px;
  z-index: 1;
  position: relative; /* Ensure content is above image */
  box-shadow: 0 8px 20px rgba(0,0,0,0.3);
  border: 1px solid var(--page-blog-border-color);
}

.page-blog__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: bold;
  color: var(--page-blog-text-main);
  margin-bottom: 20px;
  line-height: 1.2;
}

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

.page-blog__btn-primary,
.page-blog__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.2s ease;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
  text-align: center;
}

.page-blog__btn-primary {
  background: var(--page-blog-button-gradient);
  color: #ffffff;
  border: none;
  margin: 0 10px;
}

.page-blog__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(42, 209, 111, 0.4);
}

.page-blog__btn-secondary {
  background: transparent;
  color: var(--page-blog-primary-color);
  border: 2px solid var(--page-blog-primary-color);
  margin: 0 10px;
}

.page-blog__btn-secondary:hover {
  background: var(--page-blog-primary-color);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(17, 168, 78, 0.4);
}

.page-blog__recent-articles,
.page-blog__why-read-section,
.page-blog__faq-section,
.page-blog__cta-section {
  padding: 80px 0;
}

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

.page-blog__dark-bg {
  background-color: var(--page-blog-card-bg);
  color: var(--page-blog-text-main);
}

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

.page-blog__section-description {
  font-size: 1.1rem;
  color: var(--page-blog-text-secondary);
  text-align: center;
  margin-bottom: 50px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-blog__article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.page-blog__article-card {
  background-color: var(--page-blog-card-bg);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--page-blog-border-color);
}

.page-blog__article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

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

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

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

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

.page-blog__article-meta {
  font-size: 0.9rem;
  color: var(--page-blog-text-secondary);
  margin-bottom: 15px;
}

.page-blog__article-excerpt {
  font-size: 1rem;
  color: var(--page-blog-text-secondary);
  margin-bottom: 20px;
}

.page-blog__read-more-btn {
  color: var(--page-blog-primary-color);
  font-weight: bold;
  text-decoration: none;
  display: inline-block;
  position: relative;
  padding-right: 15px;
}

.page-blog__read-more-btn::after {
  content: '→';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  transition: right 0.2s ease;
}

.page-blog__read-more-btn:hover::after {
  right: -5px;
}

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

.page-blog__why-read-section {
  padding: 80px 0;
}

.page-blog__content-wrapper {
  display: flex;
  gap: 40px;
  align-items: center;
}

.page-blog__text-block {
  flex: 1;
}

.page-blog__text-block p {
  margin-bottom: 20px;
  font-size: 1.05rem;
  color: var(--page-blog-text-secondary);
}

.page-blog__image-block {
  flex: 1;
  text-align: center;
}

.page-blog__feature-image {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.3);
  min-width: 200px; /* Ensure minimum size */
  min-height: 200px; /* Ensure minimum size */
}

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

.page-blog__faq-item {
  background-color: var(--page-blog-card-bg);
  border: 1px solid var(--page-blog-border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--page-blog-text-main);
}

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.15rem;
  font-weight: bold;
  cursor: pointer;
  background-color: var(--page-blog-card-bg);
  transition: background-color 0.3s ease;
  list-style: none; /* For details/summary */
}

.page-blog__faq-question::-webkit-details-marker {
  display: none; /* For details/summary */
}

.page-blog__faq-question:hover {
  background-color: rgba(46, 122, 78, 0.2);
}

.page-blog__faq-qtext {
  flex-grow: 1;
  color: var(--page-blog-text-main);
}

.page-blog__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--page-blog-primary-color);
}

.page-blog__faq-answer {
  padding: 0 25px 20px;
  font-size: 1rem;
  color: var(--page-blog-text-secondary);
}

.page-blog__faq-item[open] .page-blog__faq-answer {
  padding-top: 10px; /* Adjust padding when open */
}

.page-blog__cta-section {
  text-align: center;
  padding: 80px 0;
  background-color: var(--page-blog-primary-color);
  background: linear-gradient(90deg, #11A84E 0%, #22C768 100%);
  color: #ffffff;
}

.page-blog__cta-section .page-blog__section-title {
  color: #ffffff;
}

.page-blog__cta-section .page-blog__description {
  color: rgba(255, 255, 255, 0.9);
}

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

/* --- Responsive Styles --- */
@media (max-width: 992px) {
  .page-blog__hero-content {
    margin-top: -80px;
    padding: 30px 15px;
  }

  .page-blog__content-wrapper {
    flex-direction: column;
  }

  .page-blog__image-block {
    margin-top: 40px;
  }
}

@media (max-width: 768px) {
  .page-blog__hero-section {
    padding-bottom: 40px;
  }

  .page-blog__hero-content {
    margin-top: -60px;
    padding: 25px 15px;
    width: calc(100% - 30px); /* Adjust width to account for padding */
  }

  .page-blog__main-title {
    font-size: 2rem;
  }

  .page-blog__description {
    font-size: 1rem;
  }

  .page-blog__btn-primary,
  .page-blog__btn-secondary {
    width: 100% !important; /* Force full width on mobile */
    max-width: 100% !important;
    margin: 10px 0 !important;
    padding: 12px 20px;
    white-space: normal !important;
    word-wrap: break-word !important;
    box-sizing: border-box !important;
  }

  .page-blog__cta-buttons {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .page-blog__recent-articles,
  .page-blog__why-read-section,
  .page-blog__faq-section,
  .page-blog__cta-section {
    padding: 50px 0;
  }

  .page-blog__section-title {
    font-size: 1.8rem;
  }

  .page-blog__section-description {
    font-size: 1rem;
    margin-bottom: 30px;
  }

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

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

  .page-blog__article-title {
    font-size: 1.1rem;
  }

  .page-blog__article-excerpt {
    font-size: 0.95rem;
  }

  .page-blog__text-block p {
    font-size: 1rem;
  }

  .page-blog__feature-image {
    min-width: 200px !important;
    min-height: 200px !important;
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-blog__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }

  .page-blog__faq-answer {
    font-size: 0.95rem;
    padding: 0 20px 15px;
  }

  /* Mobile image specific rules */
  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-blog__hero-image-wrapper,
  .page-blog__article-card,
  .page-blog__image-block,
  .page-blog__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  .page-blog__hero-section {
    padding-top: 10px !important; /* body handles --header-offset, this is for visual spacing */
  }
}

/* Ensure no filter is used on images */
.page-blog img {
  filter: none;
}