/* Base styles for Tin Tức SV368 page */
.page-tin-tuc {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #333333; /* Default text color for light backgrounds */
  background: #F4F7FB; /* Custom background color */
}

.page-tin-tuc__section {
  padding: 60px 0;
  margin-bottom: 20px;
}

.page-tin-tuc__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.page-tin-tuc__section-title {
  font-size: 36px;
  font-weight: 700;
  color: #1F2D3D; /* Text Main color */
  text-align: center;
  margin-bottom: 20px;
}

.page-tin-tuc__section-title--light {
  color: #ffffff;
}

.page-tin-tuc__section-subtitle {
  font-size: 18px;
  color: #555555;
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-tin-tuc__section-subtitle--light {
  color: #f0f0f0;
}

/* Hero Section */
.page-tin-tuc__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 10px; /* Small top padding, shared.css handles body padding */
  padding-bottom: 60px;
  text-align: center;
  color: #ffffff;
  overflow: hidden;
}

.page-tin-tuc__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.page-tin-tuc__hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.7); /* Darken image for text readability, not color change */
}

.page-tin-tuc__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 20px;
  margin-top: 60px;
}

.page-tin-tuc__hero-title {
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: #ffffff;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
  /* No fixed font-size for H1, relying on shared/browser default and responsive scaling */
}

.page-tin-tuc__hero-description {
  font-size: 20px;
  margin-bottom: 30px;
  color: #f0f0f0;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.4);
}

/* Buttons */
.page-tin-tuc__btn-primary {
  display: inline-block;
  padding: 15px 30px;
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); /* Custom button color */
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 18px;
  transition: background-color 0.3s ease, transform 0.2s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-tin-tuc__btn-primary:hover {
  background: linear-gradient(180deg, #2F6BFF 0%, #4A8BFF 100%);
  transform: translateY(-2px);
}

.page-tin-tuc__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  background: #ffffff;
  color: #2F6BFF;
  text-decoration: none;
  border: 2px solid #2F6BFF; /* Border color */
  border-radius: 8px;
  font-weight: 600;
  font-size: 16px;
  transition: background-color 0.3s ease, color 0.3s ease;
  cursor: pointer;
}

.page-tin-tuc__btn-secondary:hover {
  background: #2F6BFF;
  color: #ffffff;
}

/* Article Grid */
.page-tin-tuc__article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-tin-tuc__article-card {
  background: #FFFFFF; /* Card background */
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-tin-tuc__article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.page-tin-tuc__article-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.page-tin-tuc__article-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

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

.page-tin-tuc__article-title {
  font-size: 22px;
  font-weight: 700;
  color: #1F2D3D; /* Text Main color */
  margin-bottom: 10px;
  line-height: 1.3;
}

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

.page-tin-tuc__article-excerpt {
  font-size: 16px;
  color: #555;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-tin-tuc__read-more {
  font-weight: 600;
  color: #2F6BFF;
  text-decoration: none;
}

.page-tin-tuc__read-more:hover {
  text-decoration: underline;
}

.page-tin-tuc__button-container {
  text-align: center;
  margin-top: 50px;
}

/* Categories Section */
.page-tin-tuc__categories-section {
  background: #2F6BFF; /* Main color as background */
  color: #ffffff;
}

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

.page-tin-tuc__category-card {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
  text-align: center;
  padding-bottom: 20px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease, background-color 0.3s ease;
  text-decoration: none;
  color: #ffffff;
  display: flex;
  flex-direction: column;
}

.page-tin-tuc__category-card:hover {
  transform: translateY(-5px);
  background-color: rgba(255, 255, 255, 0.2);
}

.page-tin-tuc__category-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  margin-bottom: 15px;
}

.page-tin-tuc__category-title {
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  margin: 0 15px;
}

/* Why SV368 Section */
.page-tin-tuc__why-sv368 p {
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 20px;
  color: #333333;
  text-align: justify;
}

.page-tin-tuc__article-body {
  max-width: 900px;
  margin: 0 auto;
}

/* FAQ Section */
details.page-tin-tuc__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #D6E2FF; /* Border color */
  overflow: hidden;
  background: #FFFFFF; /* Card background */
  color: #1F2D3D; /* Text Main color */
}
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: #F4F7FB;
}
.page-tin-tuc__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #1F2D3D;
}
.page-tin-tuc__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #2F6BFF;
  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: #F4F7FB; /* Background color */
  border-radius: 0 0 5px 5px;
  color: #333333;
}
.page-tin-tuc__faq-answer p {
  margin: 0;
  padding: 0;
  font-size: 16px;
  line-height: 1.6;
}

/* Bottom CTA Section */
.page-tin-tuc__cta-bottom {
  background: #2F6BFF;
  color: #ffffff;
  text-align: center;
  padding: 80px 0;
}

/* Mobile Responsive Styles */
@media (max-width: 1024px) {
  .page-tin-tuc__hero-title {
    font-size: clamp(32px, 5vw, 48px);
  }
  .page-tin-tuc__hero-description {
    font-size: 18px;
  }
  .page-tin-tuc__section-title {
    font-size: 30px;
  }
  .page-tin-tuc__article-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  .page-tin-tuc__category-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-tin-tuc__section {
    padding: 40px 0;
  }
  .page-tin-tuc__container {
    padding: 0 15px;
  }
  .page-tin-tuc__hero-section {
    padding-top: 10px;
    padding-bottom: 40px;
  }
  .page-tin-tuc__hero-image img {
    object-fit: contain !important; /* HERO 主图区域: 移动 object-fit:contain */
    aspect-ratio: unset !important;
    filter: brightness(0.8); /* Slightly less darken for mobile */
  }
  .page-tin-tuc__hero-content {
    padding: 15px;
    margin-top: 40px;
  }
  .page-tin-tuc__hero-title {
    font-size: clamp(28px, 8vw, 40px);
    margin-bottom: 15px;
  }
  .page-tin-tuc__hero-description {
    font-size: 16px;
    margin-bottom: 25px;
  }

  .page-tin-tuc__section-title {
    font-size: 26px;
    margin-bottom: 15px;
  }
  .page-tin-tuc__section-subtitle {
    font-size: 16px;
    margin-bottom: 30px;
  }

  /* General Images and Containers */
  .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,
  .page-tin-tuc__article-body {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Buttons */
  .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;
    font-size: 16px;
  }
  .page-tin-tuc__button-container,
  .page-tin-tuc__cta-bottom .page-tin-tuc__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  /* Article Grid */
  .page-tin-tuc__article-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-tin-tuc__article-title {
    font-size: 20px;
  }
  .page-tin-tuc__article-excerpt {
    font-size: 15px;
  }

  /* Categories Grid */
  .page-tin-tuc__category-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-tin-tuc__category-title {
    font-size: 18px;
  }

  /* Why SV368 Section */
  .page-tin-tuc__why-sv368 p {
    font-size: 16px;
  }

  /* FAQ Section */
  details.page-tin-tuc__faq-item summary.page-tin-tuc__faq-question { padding: 15px; }
  .page-tin-tuc__faq-qtext { font-size: 16px; }
  .page-tin-tuc__faq-toggle { font-size: 20px; width: 24px; }
  details.page-tin-tuc__faq-item .page-tin-tuc__faq-answer { padding: 0 15px 15px; }
  .page-tin-tuc__faq-answer p { font-size: 15px; }

  /* CTA Bottom */
  .page-tin-tuc__cta-bottom {
    padding: 50px 0;
  }
}