/* Base Styles for Tin Tức Page */
.page-tin-tuc {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #1F2D3D; /* Text Main */
  background-color: #F4F7FB; /* Background */
}

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

.page-tin-tuc__section-title {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  color: #1F2D3D; /* Text Main */
  text-align: center;
  margin-bottom: 15px;
  line-height: 1.3;
}

.page-tin-tuc__section-subtitle {
  font-size: clamp(16px, 2vw, 18px);
  color: #1F2D3D;
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.page-tin-tuc__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 10px; /* Adjusted for fixed header */
  margin-bottom: 40px;
}

.page-tin-tuc__hero-image-wrapper {
  width: 100%;
  max-height: 600px;
  overflow: hidden;
  border-radius: 10px;
  margin-bottom: 30px;
}

.page-tin-tuc__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 10px;
}

.page-tin-tuc__hero-content {
  padding: 30px;
  border-radius: 10px;
  max-width: 900px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  background-color: #FFFFFF; /* Card BG */
  margin-top: -80px; /* Overlap with image */
  position: relative;
  z-index: 1;
}

.page-tin-tuc__main-title {
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 800;
  color: #1F2D3D; /* Text Main */
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-tin-tuc__hero-description {
  font-size: clamp(16px, 1.8vw, 19px);
  color: #1F2D3D;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.page-tin-tuc__btn-primary,
.page-tin-tuc__btn-secondary {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  transition: all 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-tin-tuc__btn-primary {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); /* Button */
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 15px rgba(47, 107, 255, 0.3);
}

.page-tin-tuc__btn-primary:hover {
  background: linear-gradient(180deg, #2F6BFF 0%, #4A8BFF 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(47, 107, 255, 0.4);
}

.page-tin-tuc__btn-secondary {
  background: #ffffff;
  color: #2F6BFF; /* Main Color */
  border: 2px solid #2F6BFF;
  margin-left: 20px;
}

.page-tin-tuc__btn-secondary:hover {
  background: #F4F7FB;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* News List Section */
.page-tin-tuc__news-list-section {
  padding: 60px 0;
  background-color: #2F6BFF; /* Main Color */
  color: #ffffff;
}

.page-tin-tuc__news-list-section .page-tin-tuc__section-title,
.page-tin-tuc__news-list-section .page-tin-tuc__section-subtitle {
  color: #ffffff;
}

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

.page-tin-tuc__news-card {
  background-color: #FFFFFF; /* Card BG */
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.page-tin-tuc__news-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.page-tin-tuc__news-card-content {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.page-tin-tuc__news-card-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
}

.page-tin-tuc__news-card-title a {
  color: #1F2D3D; /* Text Main */
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-tin-tuc__news-card-title a:hover {
  color: #2F6BFF; /* Main Color */
}

.page-tin-tuc__news-card-meta {
  font-size: 14px;
  color: #666;
  margin-bottom: 15px;
}

.page-tin-tuc__news-card-excerpt {
  font-size: 15px;
  color: #333333;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-tin-tuc__read-more-btn {
  display: inline-block;
  color: #2F6BFF; /* Main Color */
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid #2F6BFF;
  padding: 8px 15px;
  border-radius: 5px;
  align-self: flex-start;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.page-tin-tuc__read-more-btn:hover {
  background-color: #2F6BFF; /* Main Color */
  color: #ffffff;
}

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

/* Why Follow Section */
.page-tin-tuc__why-follow-section {
  padding: 60px 0;
  background-color: #F4F7FB; /* Background */
}

.page-tin-tuc__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.page-tin-tuc__feature-item {
  text-align: center;
  padding: 25px;
  background-color: #FFFFFF; /* Card BG */
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-tin-tuc__feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.page-tin-tuc__feature-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 20px;
}

.page-tin-tuc__feature-title {
  font-size: 20px;
  font-weight: 700;
  color: #1F2D3D; /* Text Main */
  margin-bottom: 10px;
}

.page-tin-tuc__feature-description {
  font-size: 15px;
  color: #333333;
}

/* Categories Section */
.page-tin-tuc__categories-section {
  padding: 60px 0;
  background-color: #6FA3FF; /* Auxiliary Color */
}

.page-tin-tuc__categories-section .page-tin-tuc__section-title,
.page-tin-tuc__categories-section .page-tin-tuc__section-subtitle {
  color: #ffffff;
}

.page-tin-tuc__categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.page-tin-tuc__category-card {
  display: flex;
  flex-direction: column;
  background-color: #FFFFFF; /* Card BG */
  border-radius: 10px;
  overflow: hidden;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.page-tin-tuc__category-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.page-tin-tuc__category-title {
  font-size: 20px;
  font-weight: 700;
  color: #1F2D3D; /* Text Main */
  padding: 15px 20px;
  text-align: center;
}

/* FAQ Section */
.page-tin-tuc__faq-section {
  padding: 60px 0;
  background-color: #F4F7FB; /* Background */
}

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

details.page-tin-tuc__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid #D6E2FF; /* Border */
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

details.page-tin-tuc__faq-item summary.page-tin-tuc__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;
  background-color: #FFFFFF;
}

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

details.page-tin-tuc__faq-item summary.page-tin-tuc__faq-question:hover {
  background: #f5f8fc;
}

.page-tin-tuc__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #1F2D3D; /* Text Main */
}

.page-tin-tuc__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: #2F6BFF; /* Main Color */
  flex-shrink: 0;
  margin-left: 20px;
  width: 30px;
  text-align: center;
}

details.page-tin-tuc__faq-item .page-tin-tuc__faq-answer {
  padding: 0 25px 25px;
  background: #f9fbfc;
  border-radius: 0 0 8px 8px;
  font-size: 16px;
  color: #333333;
}

.page-tin-tuc__faq-answer p {
  margin: 0;
}

/* CTA Section */
.page-tin-tuc__cta-section {
  padding: 60px 0;
  background-color: #2F6BFF; /* Main Color */
  color: #ffffff;
  text-align: center;
}

.page-tin-tuc__cta-section .page-tin-tuc__section-title,
.page-tin-tuc__cta-section .page-tin-tuc__section-subtitle {
  color: #ffffff;
}

.page-tin-tuc__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-tin-tuc__hero-content {
    margin-top: -60px;
    padding: 25px;
  }

  .page-tin-tuc__news-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .page-tin-tuc__features-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }

  .page-tin-tuc__categories-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

  .page-tin-tuc__faq-qtext {
    font-size: 17px;
  }
}

@media (max-width: 768px) {
  .page-tin-tuc__container {
    padding: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* HERO 主图区域 */
  .page-tin-tuc__hero-section {
    padding-top: 10px; /* 約 10px 頂距 */
    margin-bottom: 20px;
  }

  .page-tin-tuc__hero-image-wrapper {
    border-radius: 0;
  }

  .page-tin-tuc__hero-image {
    object-fit: contain !important;
    aspect-ratio: unset !important;
    border-radius: 0;
  }

  .page-tin-tuc__hero-content {
    margin-top: -40px;
    padding: 20px 15px;
    border-radius: 8px;
  }

  .page-tin-tuc__main-title {
    font-size: clamp(26px, 6vw, 36px);
  }

  .page-tin-tuc__hero-description {
    font-size: 15px;
    margin-bottom: 20px;
  }

  .page-tin-tuc__section-title {
    font-size: clamp(24px, 5vw, 32px);
    margin-bottom: 10px;
  }

  .page-tin-tuc__section-subtitle {
    font-size: 15px;
    margin-bottom: 30px;
  }

  /* News List Section - 通用图片与容器 */
  .page-tin-tuc__news-list-section {
    padding: 40px 0;
  }

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

  .page-tin-tuc__news-card-image {
    height: 180px;
  }

  .page-tin-tuc__news-card-title {
    font-size: 18px;
  }

  .page-tin-tuc__news-card-excerpt {
    font-size: 14px;
  }

  /* Why Follow Section */
  .page-tin-tuc__why-follow-section {
    padding: 40px 0;
  }

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

  .page-tin-tuc__feature-item {
    padding: 20px;
  }

  /* Categories Section */
  .page-tin-tuc__categories-section {
    padding: 40px 0;
  }

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

  .page-tin-tuc__category-image {
    height: 150px;
  }

  .page-tin-tuc__category-title {
    font-size: 18px;
  }

  /* FAQ Section */
  .page-tin-tuc__faq-section {
    padding: 40px 0;
  }

  details.page-tin-tuc__faq-item summary.page-tin-tuc__faq-question {
    padding: 15px 20px;
  }

  .page-tin-tuc__faq-qtext {
    font-size: 16px;
  }

  .page-tin-tuc__faq-toggle {
    font-size: 24px;
    width: 25px;
    margin-left: 15px;
  }

  details.page-tin-tuc__faq-item .page-tin-tuc__faq-answer {
    padding: 0 20px 20px;
    font-size: 15px;
  }

  /* CTA Section */
  .page-tin-tuc__cta-section {
    padding: 40px 0;
  }

  .page-tin-tuc__cta-buttons {
    flex-direction: column;
    gap: 15px;
    margin-top: 25px;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 按钮与按钮容器 */
  .page-tin-tuc__btn-primary,
  .page-tin-tuc__btn-secondary,
  .page-tin-tuc a[class*="button"],
  .page-tin-tuc a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    margin-left: 0 !important; /* Remove margin for stacked buttons */
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-tin-tuc__cta-buttons,
  .page-tin-tuc__button-group,
  .page-tin-tuc__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important; /* Ensure buttons wrap */
    gap: 10px;
  }

  /* 通用图片与容器 */
  .page-tin-tuc img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-tin-tuc__section,
  .page-tin-tuc__card,
  .page-tin-tuc__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
}

/* 图片颜色要求 - 保持原始颜色，禁止滤镜 */
.page-tin-tuc img {
  filter: none; /* 确保没有滤镜影响图片颜色 */
}