.page-tin-tuc {
  color: #F3F8FF;
  background-color: #08162B;
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
}

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

.page-tin-tuc__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, not var(--header-offset) */
  margin-bottom: 40px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 500px;
}

.page-tin-tuc__hero-image-wrapper {
  width: 100%;
  height: 500px;
  position: relative;
  margin-bottom: 20px;
}

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

.page-tin-tuc__hero-content {
  text-align: center;
  padding: 20px;
  max-width: 800px;
  margin-top: -150px; /* Pull content up over the image for visual hierarchy */
  position: relative;
  z-index: 2;
  background: linear-gradient(180deg, rgba(16,35,63,0.8) 0%, rgba(16,35,63,0.95) 100%);
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid #244D84;
}

.page-tin-tuc__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  color: #F2C14E; /* Gold */
  margin-bottom: 15px;
  line-height: 1.2;
  text-shadow: 0 0 10px rgba(242, 193, 78, 0.5);
}

.page-tin-tuc__intro-text {
  font-size: 1.1rem;
  color: #AFC4E8;
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-tin-tuc__btn-primary {
  display: inline-block;
  padding: 12px 25px;
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-tin-tuc__btn-primary:hover {
  background: linear-gradient(180deg, #1144A6 0%, #2B73F6 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-tin-tuc__section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  color: #F3F8FF;
  text-align: center;
  margin-bottom: 40px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.page-tin-tuc__section-title--gold {
  color: #F2C14E;
}

.page-tin-tuc__dark-section {
  background-color: #10233F; /* Card BG */
  padding: 60px 0;
  margin-bottom: 40px;
  border-radius: 10px;
}

.page-tin-tuc__latest-news-section {
  padding: 60px 0;
  background-color: #08162B; /* Deep Navy */
}

.page-tin-tuc__news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.page-tin-tuc__news-card {
  background-color: #10233F; /* 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 #244D84; /* Border */
}

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

.page-tin-tuc__news-card-link {
  text-decoration: none;
  display: block;
  color: inherit;
}

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

.page-tin-tuc__news-card-content {
  padding: 20px;
}

.page-tin-tuc__news-card-title {
  font-size: 1.3rem;
  color: #F3F8FF; /* Text Main */
  margin-bottom: 10px;
  line-height: 1.4;
}

.page-tin-tuc__news-card-excerpt {
  font-size: 0.95rem;
  color: #AFC4E8; /* Text Secondary */
  margin-bottom: 15px;
}

.page-tin-tuc__news-card-date {
  font-size: 0.85rem;
  color: #AFC4E8;
  display: block;
  margin-bottom: 10px;
}

.page-tin-tuc__read-more {
  color: #4FA8FF; /* Glow */
  font-weight: bold;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-tin-tuc__read-more:hover {
  color: #F2C14E; /* Gold */
}

.page-tin-tuc__view-all-button-wrapper {
  text-align: center;
  margin-top: 30px;
}

.page-tin-tuc__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  background: #1D5FD1; /* Auxiliary color */
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-tin-tuc__btn-secondary:hover {
  background: #113B7A; /* Primary color */
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-tin-tuc__categories-section {
  padding: 60px 0;
  background-color: #08162B; /* Deep Navy */
}

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

.page-tin-tuc__category-card {
  background-color: #10233F; /* Card BG */
  border-radius: 10px;
  overflow: hidden;
  text-align: center;
  padding: 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-decoration: none;
  color: inherit;
  border: 1px solid #244D84; /* Border */
}

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

.page-tin-tuc__category-image {
  width: 100%;
  height: 120px;
  object-fit: contain;
  margin-bottom: 15px;
  display: block;
}

.page-tin-tuc__category-title {
  font-size: 1.1rem;
  color: #F3F8FF; /* Text Main */
  margin: 0;
}

.page-tin-tuc__cta-section {
  padding: 80px 0;
  text-align: center;
  background-color: #113B7A; /* Primary color */
  margin-bottom: 0;
}

.page-tin-tuc__cta-description {
  font-size: 1.1rem;
  color: #AFC4E8;
  max-width: 800px;
  margin: 0 auto 30px auto;
}

.page-tin-tuc__cta-buttons-wrapper {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.page-tin-tuc__faq-section {
  padding: 60px 0;
  background-color: #08162B; /* Deep Navy */
}

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

details.page-tin-tuc__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #244D84; /* Border */
  overflow: hidden;
  background: #10233F; /* Card BG */
}

details.page-tin-tuc__faq-item summary.page-tin-tuc__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-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: rgba(29, 95, 209, 0.1); /* Slightly lighter hover for contrast */
}

.page-tin-tuc__faq-qtext {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #F3F8FF; /* Text Main */
}

.page-tin-tuc__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #F2C14E; /* Gold */
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}

details.page-tin-tuc__faq-item .page-tin-tuc__faq-answer {
  padding: 0 20px 20px;
  background: rgba(16, 35, 63, 0.8); /* Slightly darker for answer background */
  border-radius: 0 0 5px 5px;
  color: #AFC4E8; /* Text Secondary */
}

/* General image responsiveness */
.page-tin-tuc img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Mobile responsiveness */
@media (max-width: 1024px) {
  .page-tin-tuc__hero-image-wrapper {
    height: 400px;
  }
  .page-tin-tuc__hero-content {
    margin-top: -100px;
  }
  .page-tin-tuc__news-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  .page-tin-tuc__categories-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-tin-tuc__container {
    padding: 15px;
  }

  .page-tin-tuc__hero-section {
    padding-top: 10px; /* Consistent small top padding */
    min-height: unset;
  }
  .page-tin-tuc__hero-image-wrapper {
    height: auto !important;
    aspect-ratio: 16/9;
    margin-bottom: 0;
  }
  .page-tin-tuc__hero-image {
    object-fit: contain !important; /* HERO 主图区域: 移动 object-fit:contain */
    aspect-ratio: unset !important;
    border-radius: 0;
  }
  .page-tin-tuc__hero-content {
    margin-top: 0; /* No negative margin on mobile */
    padding: 20px 15px;
    border-radius: 0;
    background: #10233F;
    width: 100%;
    box-sizing: border-box;
  }
  .page-tin-tuc__main-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
  }
  .page-tin-tuc__intro-text {
    font-size: 1rem;
  }

  .page-tin-tuc__section-title {
    font-size: clamp(1.5rem, 7vw, 2rem);
    margin-bottom: 30px;
  }

  .page-tin-tuc__dark-section, .page-tin-tuc__latest-news-section, .page-tin-tuc__categories-section, .page-tin-tuc__faq-section, .page-tin-tuc__cta-section {
    padding: 40px 0;
    margin-bottom: 20px;
    border-radius: 0;
  }

  .page-tin-tuc__news-grid {
    grid-template-columns: 1fr; /* Single column for news cards */
    gap: 20px;
    overflow-x: hidden; /* Prevent horizontal scroll */
  }
  .page-tin-tuc__news-card {
    margin: 0 auto;
    max-width: 100%;
  }
  .page-tin-tuc__news-card-title {
    font-size: 1.1rem;
  }
  .page-tin-tuc__news-card-excerpt {
    font-size: 0.9rem;
  }

  .page-tin-tuc__categories-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
    overflow-x: hidden;
  }
  .page-tin-tuc__category-card {
    padding: 15px 10px;
  }
  .page-tin-tuc__category-image {
    height: 80px;
    margin-bottom: 10px;
  }
  .page-tin-tuc__category-title {
    font-size: 0.95rem;
  }

  .page-tin-tuc__cta-description {
    font-size: 1rem;
    padding: 0 10px;
  }
  .page-tin-tuc__cta-buttons-wrapper {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }

  .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;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-tin-tuc__cta-buttons-wrapper,
  .page-tin-tuc__button-group,
  .page-tin-tuc__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
    flex-wrap: wrap !important;
    gap: 10px;
  }
  .page-tin-tuc__faq-qtext {
    font-size: 1rem;
  }
  details.page-tin-tuc__faq-item summary.page-tin-tuc__faq-question {
    padding: 15px;
  }
  details.page-tin-tuc__faq-item .page-tin-tuc__faq-answer {
    padding: 0 15px 15px;
  }

  /* General images for mobile */
  .page-tin-tuc img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-tin-tuc__hero-section,
  .page-tin-tuc__latest-news-section,
  .page-tin-tuc__categories-section,
  .page-tin-tuc__cta-section,
  .page-tin-tuc__faq-section,
  .page-tin-tuc__container,
  .page-tin-tuc__news-card,
  .page-tin-tuc__category-card {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
  }
}