.page-tin-tuc {
  font-family: 'Arial', sans-serif;
  color: #333;
  line-height: 1.6;
  background-color: #f8f8f8;
}

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

.page-tin-tuc__hero-banner {
  background: linear-gradient(135deg, #FFD700, #1E90FF);
  color: #fff;
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-tin-tuc__hero-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
  opacity: 0.5;
  animation: page-tin-tuc__pulse 10s infinite alternate;
}

@keyframes page-tin-tuc__pulse {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.1); opacity: 0.7; }
}

.page-tin-tuc__hero-title {
  font-size: 3.2em;
  margin-bottom: 20px;
  font-weight: bold;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  color: #FFFFFF; /* High contrast */
}

.page-tin-tuc__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: #F0F8FF; /* Good contrast with dark background */
}

.page-tin-tuc__cta-button {
  display: inline-block;
  background-color: #FFD700; /* Primary color */
  color: #1E90FF; /* Auxiliary color for text, high contrast */
  padding: 15px 35px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-tin-tuc__cta-button:hover {
  background-color: #1E90FF; /* Auxiliary color */
  color: #FFD700; /* Primary color for text, high contrast */
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-tin-tuc__section-title {
  font-size: 2.5em;
  color: #1E90FF; /* Auxiliary color */
  text-align: center;
  margin-bottom: 50px;
  padding-top: 60px;
  position: relative;
}

.page-tin-tuc__section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background-color: #FFD700; /* Primary color */
  margin: 15px auto 0;
  border-radius: 2px;
}

.page-tin-tuc__featured-articles, .page-tin-tuc__latest-articles, .page-tin-tuc__categories, .page-tin-tuc__faq, .page-tin-tuc__call-to-action {
  padding: 40px 0;
}

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

.page-tin-tuc__article-card {
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-tin-tuc__article-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.page-tin-tuc__article-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

.page-tin-tuc__card-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-tin-tuc__card-title {
  font-size: 1.6em;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-tin-tuc__card-title a {
  color: #1E90FF; /* Auxiliary color */
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-tin-tuc__card-title a:hover {
  color: #FFD700; /* Primary color */
}

.page-tin-tuc__card-excerpt {
  font-size: 1em;
  color: #555;
  margin-bottom: 20px;
}

.page-tin-tuc__read-more {
  display: inline-block;
  color: #FFD700; /* Primary color */
  text-decoration: none;
  font-weight: bold;
  border-bottom: 2px solid #FFD700;
  padding-bottom: 3px;
  transition: all 0.3s ease;
  align-self: flex-start;
}

.page-tin-tuc__read-more:hover {
  color: #1E90FF; /* Auxiliary color */
  border-color: #1E90FF;
}

.page-tin-tuc__latest-articles {
  background-color: #f0f0f0;
}

.page-tin-tuc__article-list {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.page-tin-tuc__list-item {
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  display: flex;
  align-items: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-tin-tuc__list-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.page-tin-tuc__list-image {
  width: 280px; /* Min size 200px */
  height: 180px;
  object-fit: cover;
  flex-shrink: 0;
}

.page-tin-tuc__list-content {
  padding: 20px 25px;
  flex-grow: 1;
}

.page-tin-tuc__list-title {
  font-size: 1.4em;
  margin-bottom: 8px;
  font-weight: bold;
}

.page-tin-tuc__list-title a {
  color: #1E90FF; /* Auxiliary color */
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-tin-tuc__list-title a:hover {
  color: #FFD700; /* Primary color */
}

.page-tin-tuc__list-date {
  font-size: 0.9em;
  color: #888;
  margin-bottom: 10px;
}

.page-tin-tuc__list-excerpt {
  font-size: 0.95em;
  color: #666;
  margin-bottom: 15px;
}

.page-tin-tuc__categories {
  background-color: #fff;
}

.page-tin-tuc__category-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
}

.page-tin-tuc__category-list li a {
  display: block;
  background-color: #1E90FF; /* Auxiliary color */
  color: #fff;
  padding: 12px 25px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  font-size: 1.05em;
}

.page-tin-tuc__category-list li a:hover {
  background-color: #FFD700; /* Primary color */
  color: #1E90FF; /* Auxiliary color */
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.page-tin-tuc__faq {
  background-color: #f8f8f8;
}

.page-tin-tuc__faq-list {
  max-width: 900px;
  margin: 0 auto;
  padding-top: 20px;
}

.faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.faq-question:hover {
  background: #f5f5f5;
}

.faq-question h3 {
  margin: 0;
  font-size: 1.25em;
  color: #1E90FF; /* Auxiliary color */
}

.faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #FFD700; /* Primary color */
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.4s ease-out;
  padding: 0 25px;
  background: #fdfdfd;
  color: #444;
  border-radius: 0 0 8px 8px;
  border: 1px solid #e0e0e0;
  border-top: none;
}

.faq-item.active .faq-answer {
  max-height: 500px; /* Sufficient height to contain content */
  padding: 20px 25px;
}

.faq-answer p {
  margin: 0;
  font-size: 1em;
}

.page-tin-tuc__call-to-action {
  background: linear-gradient(90deg, #1E90FF, #00BFFF);
  color: #fff;
  text-align: center;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.page-tin-tuc__call-to-action::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="%23FFD700" opacity="0.1"/></svg>') repeat;
  opacity: 0.3;
  animation: page-tin-tuc__bg-pattern 20s linear infinite;
}

@keyframes page-tin-tuc__bg-pattern {
  from { background-position: 0 0; }
  to { background-position: 200px 200px; }
}

.page-tin-tuc__cta-title {
  font-size: 3em;
  margin-bottom: 20px;
  font-weight: bold;
  color: #FFD700; /* Primary color for contrast */
  text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
}

.page-tin-tuc__cta-description {
  font-size: 1.3em;
  margin-bottom: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  color: #F0F8FF; /* Good contrast */
}

.page-tin-tuc__cta-button--large {
  padding: 18px 45px;
  font-size: 1.25em;
  background-color: #FFD700; /* Primary color */
  color: #1E90FF; /* Auxiliary color */
}

.page-tin-tuc__cta-button--large:hover {
  background-color: #F0F8FF; /* Lighter color on hover */
  color: #1E90FF; /* Auxiliary color */
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-tin-tuc__hero-title {
    font-size: 2.8em;
  }
  .page-tin-tuc__section-title {
    font-size: 2.2em;
  }
  .page-tin-tuc__article-image {
    height: 220px;
  }
  .page-tin-tuc__list-image {
    width: 240px;
    height: 160px;
  }
  .page-tin-tuc__card-title {
    font-size: 1.4em;
  }
  .page-tin-tuc__list-title {
    font-size: 1.3em;
  }
  .page-tin-tuc__cta-title {
    font-size: 2.5em;
  }
}

@media (max-width: 768px) {
  .page-tin-tuc__hero-banner {
    padding: 60px 0;
  }
  .page-tin-tuc__hero-title {
    font-size: 2.2em;
    margin-bottom: 15px;
  }
  .page-tin-tuc__hero-description {
    font-size: 1.1em;
    margin-bottom: 25px;
  }
  .page-tin-tuc__cta-button {
    padding: 12px 25px;
    font-size: 1em;
  }
  .page-tin-tuc__section-title {
    font-size: 2em;
    margin-bottom: 40px;
    padding-top: 40px;
  }
  .page-tin-tuc__featured-articles, .page-tin-tuc__latest-articles, .page-tin-tuc__categories, .page-tin-tuc__faq, .page-tin-tuc__call-to-action {
    padding: 30px 0;
  }
  .page-tin-tuc__article-grid {
    grid-template-columns: 1fr;
  }
  .page-tin-tuc__article-image {
    height: 200px;
  }
  .page-tin-tuc__list-item {
    flex-direction: column;
    align-items: flex-start;
  }
  .page-tin-tuc__list-image {
    width: 100%;
    height: 200px;
    border-radius: 10px 10px 0 0;
  }
  .page-tin-tuc__list-content {
    padding: 20px;
  }
  .page-tin-tuc__list-title {
    font-size: 1.2em;
  }
  .page-tin-tuc__category-list {
    justify-content: flex-start;
    gap: 10px;
  }
  .page-tin-tuc__category-list li a {
    padding: 10px 20px;
    font-size: 0.95em;
  }
  .faq-question {
    padding: 15px 20px;
  }
  .faq-question h3 {
    font-size: 1.1em;
  }
  .faq-toggle {
    font-size: 20px;
  }
  .faq-answer {
    padding: 0 20px;
  }
  .faq-item.active .faq-answer {
    padding: 15px 20px;
  }
  .page-tin-tuc__cta-title {
    font-size: 2em;
  }
  .page-tin-tuc__cta-description {
    font-size: 1.1em;
  }
  .page-tin-tuc__cta-button--large {
    padding: 15px 35px;
    font-size: 1.1em;
  }
}

@media (max-width: 480px) {
  .page-tin-tuc__hero-title {
    font-size: 1.8em;
  }
  .page-tin-tuc__hero-description {
    font-size: 1em;
  }
  .page-tin-tuc__section-title {
    font-size: 1.8em;
  }
  .page-tin-tuc__card-title {
    font-size: 1.3em;
  }
  .page-tin-tuc__list-title {
    font-size: 1.1em;
  }
  .page-tin-tuc__cta-title {
    font-size: 1.8em;
  }
  .page-tin-tuc__cta-description {
    font-size: 1em;
  }
  .page-tin-tuc__cta-button--large {
    padding: 12px 30px;
    font-size: 1em;
  }
  .page-tin-tuc__container {
    padding: 0 15px;
  }
}