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

.page-tin-tuc__container {
  max-width: 1170px;
  margin: 0 auto;
  padding: 40px 16px;
  box-sizing: border-box;
}

.page-tin-tuc__hero-section {
  padding-top: 10px; /* Small top padding as body handles header offset */
  padding-bottom: 40px;
  background-color: #F4F7FB; /* Background */
  color: #1F2D3D;
}

.page-tin-tuc__hero-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
}

.page-tin-tuc__hero-content {
  flex: 1 1 45%;
  min-width: 300px;
}

.page-tin-tuc__main-title {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: bold;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #1F2D3D; /* Text Main */
}

.page-tin-tuc__hero-description {
  font-size: 1.125rem;
  margin-bottom: 30px;
  color: #1F2D3D;
}

.page-tin-tuc__hero-image {
  flex: 1 1 45%;
  min-width: 300px;
  text-align: center;
}

.page-tin-tuc__hero-side-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
  margin: 0 auto;
}

.page-tin-tuc__cta-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.page-tin-tuc__btn-primary,
.page-tin-tuc__btn-secondary {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
  text-align: center;
}

.page-tin-tuc__btn-primary {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); /* Button */
  color: #ffffff;
  border: 2px solid transparent;
}

.page-tin-tuc__btn-primary:hover {
  background: linear-gradient(180deg, #2F6BFF 0%, #4A8BFF 100%);
  box-shadow: 0 4px 15px rgba(47, 107, 255, 0.4);
}

.page-tin-tuc__btn-secondary {
  background-color: #FFFFFF; /* Card BG */
  color: #2F6BFF; /* Primary Color */
  border: 2px solid #2F6BFF;
}

.page-tin-tuc__btn-secondary:hover {
  background-color: #F4F7FB; /* Background */
  color: #2F6BFF;
  box-shadow: 0 4px 15px rgba(47, 107, 255, 0.2);
}

.page-tin-tuc__section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: bold;
  text-align: center;
  margin-bottom: 20px;
  color: #1F2D3D; /* Text Main */
}

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

.page-tin-tuc__section-description {
  font-size: 1.1rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
  color: #1F2D3D;
}

.page-tin-tuc__section-description--white {
  color: #f0f0f0;
}

.page-tin-tuc__intro-section {
  background-color: #FFFFFF; /* Card BG */
  padding-top: 60px;
  padding-bottom: 60px;
}

.page-tin-tuc__intro-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
}

.page-tin-tuc__intro-content {
  flex: 1 1 55%;
  min-width: 300px;
}

.page-tin-tuc__intro-content p {
  margin-bottom: 15px;
  color: #1F2D3D;
}

.page-tin-tuc__intro-image {
  flex: 1 1 35%;
  min-width: 250px;
  text-align: center;
}

.page-tin-tuc__intro-image img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
  margin: 0 auto;
}

.page-tin-tuc__categories-section {
  background-color: #2F6BFF; /* Primary Color */
  color: #ffffff;
  padding-top: 60px;
  padding-bottom: 60px;
}

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

.page-tin-tuc__category-card {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  text-decoration: none;
  color: #ffffff;
  transition: transform 0.3s ease, background-color 0.3s ease;
}

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

.page-tin-tuc__category-icon {
  font-size: 3rem;
  margin-bottom: 15px;
  display: block;
}

.page-tin-tuc__category-title {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 10px;
  color: #ffffff;
}

.page-tin-tuc__category-text {
  font-size: 1rem;
  color: #f0f0f0;
}

.page-tin-tuc__featured-news-section {
  background-color: #F4F7FB; /* Background */
  padding-top: 60px;
  padding-bottom: 60px;
}

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

.page-tin-tuc__news-card {
  background-color: #FFFFFF; /* Card BG */
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.page-tin-tuc__news-card:hover {
  transform: translateY(-5px);
}

.page-tin-tuc__news-card img {
  width: 100%;
  height: 220px; /* Fixed height for consistency */
  object-fit: cover;
  display: block;
}

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

.page-tin-tuc__card-title {
  font-size: 1.35rem;
  font-weight: bold;
  margin-bottom: 10px;
  line-height: 1.4;
}

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

.page-tin-tuc__card-title a:hover {
  color: #2F6BFF; /* Primary Color */
}

.page-tin-tuc__card-meta {
  font-size: 0.9rem;
  color: #6c757d;
  margin-bottom: 10px;
}

.page-tin-tuc__card-excerpt {
  font-size: 1rem;
  color: #1F2D3D;
  margin-bottom: 15px;
}

.page-tin-tuc__read-more {
  color: #2F6BFF; /* Primary Color */
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

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

.page-tin-tuc__view-all-btn-container {
  text-align: center;
  margin-top: 40px;
}

.page-tin-tuc__guide-section {
  background-color: #F4F7FB; /* Background */
  padding-top: 60px;
  padding-bottom: 60px;
}

.page-tin-tuc__guide-content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
}

.page-tin-tuc__guide-steps {
  flex: 1 1 55%;
  min-width: 300px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 25px;
}

.page-tin-tuc__guide-step-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
}

.page-tin-tuc__step-number {
  font-size: 2.5rem;
  font-weight: bold;
  color: #2F6BFF; /* Primary Color */
  line-height: 1;
}

.page-tin-tuc__step-title {
  font-size: 1.3rem;
  font-weight: bold;
  margin-bottom: 5px;
  color: #1F2D3D;
}

.page-tin-tuc__step-description {
  font-size: 1rem;
  color: #1F2D3D;
}

.page-tin-tuc__guide-image {
  flex: 1 1 35%;
  min-width: 250px;
  text-align: center;
}

.page-tin-tuc__guide-image img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
  margin: 0 auto;
}

.page-tin-tuc__why-update-section {
  background-color: #2F6BFF; /* Primary Color */
  color: #ffffff;
  padding-top: 60px;
  padding-bottom: 60px;
}

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

.page-tin-tuc__benefit-card {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 25px;
  text-align: center;
}

.page-tin-tuc__benefit-icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
  display: block;
}

.page-tin-tuc__benefit-title {
  font-size: 1.4rem;
  font-weight: bold;
  margin-bottom: 10px;
  color: #ffffff;
}

.page-tin-tuc__benefit-text {
  font-size: 1rem;
  color: #f0f0f0;
}

.page-tin-tuc__image-center {
  text-align: center;
}

.page-tin-tuc__image-center img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
  margin: 0 auto;
}

.page-tin-tuc__faq-section {
  background-color: #FFFFFF; /* Card BG */
  padding-top: 60px;
  padding-bottom: 60px;
}

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

.page-tin-tuc__faq-item {
  background-color: #F4F7FB; /* Background */
  border: 1px solid #D6E2FF; /* Border */
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: #1F2D3D;
}

.page-tin-tuc__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15rem;
  font-weight: bold;
  cursor: pointer;
  color: #1F2D3D;
  list-style: none; /* Remove default marker for details */
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

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

.page-tin-tuc__faq-item[open] .page-tin-tuc__faq-question {
  background-color: #E6EEFF;
}

.page-tin-tuc__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  transition: transform 0.3s ease;
  color: #2F6BFF;
}

.page-tin-tuc__faq-item[open] .page-tin-tuc__faq-toggle {
  transform: rotate(45deg);
}

.page-tin-tuc__faq-answer {
  padding: 0 25px 18px;
  font-size: 1rem;
  line-height: 1.6;
  color: #1F2D3D;
}

.page-tin-tuc__cta-section {
  background-color: #2F6BFF; /* Primary Color */
  color: #ffffff;
  padding-top: 60px;
  padding-bottom: 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-tin-tuc__cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #6FA3FF 0%, #2F6BFF 100%);
  opacity: 0.2;
  z-index: 0;
}

.page-tin-tuc__cta-section .page-tin-tuc__container {
  position: relative;
  z-index: 1;
}

.page-tin-tuc__cta-section .page-tin-tuc__section-title {
  color: #ffffff;
  margin-bottom: 20px;
}

.page-tin-tuc__cta-section .page-tin-tuc__section-description {
  color: #f0f0f0;
  margin-bottom: 40px;
}

.page-tin-tuc__cta-section .page-tin-tuc__cta-buttons {
  justify-content: center;
  margin-bottom: 40px;
}

.page-tin-tuc__cta-image {
  max-width: 600px;
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  margin: 0 auto;
  display: block;
}

/* --- Responsive Styles --- */

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

/* Common container responsive styles */
.page-tin-tuc__section,
.page-tin-tuc__card,
.page-tin-tuc__container {
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 1024px) {
  .page-tin-tuc__hero-container,
  .page-tin-tuc__intro-grid,
  .page-tin-tuc__guide-content-grid {
    flex-direction: column;
    text-align: center;
  }

  .page-tin-tuc__hero-content,
  .page-tin-tuc__hero-image,
  .page-tin-tuc__intro-content,
  .page-tin-tuc__intro-image,
  .page-tin-tuc__guide-steps,
  .page-tin-tuc__guide-image {
    flex: 1 1 100%;
    min-width: unset;
  }

  .page-tin-tuc__cta-buttons {
    justify-content: center;
  }
}

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

  .page-tin-tuc__hero-section {
    padding-top: 10px !important;
    padding-bottom: 30px;
  }

  .page-tin-tuc__main-title {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }

  .page-tin-tuc__hero-description {
    font-size: 1rem;
  }

  .page-tin-tuc__cta-buttons {
    flex-direction: column;
    gap: 10px;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
    padding-left: 15px;
    padding-right: 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;
    padding: 12px 20px !important;
    font-size: 1rem !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    box-sizing: border-box !important;
  }

  .page-tin-tuc__section-title {
    font-size: clamp(1.8rem, 7vw, 2.2rem);
    margin-bottom: 15px;
  }

  .page-tin-tuc__section-description {
    font-size: 0.95rem;
    margin-bottom: 30px;
  }

  .page-tin-tuc__intro-section,
  .page-tin-tuc__categories-section,
  .page-tin-tuc__featured-news-section,
  .page-tin-tuc__guide-section,
  .page-tin-tuc__why-update-section,
  .page-tin-tuc__faq-section,
  .page-tin-tuc__cta-section {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .page-tin-tuc__category-grid {
    grid-template-columns: 1fr;
  }

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

  .page-tin-tuc__news-card img {
     /* Adjust height for mobile */
  }

  .page-tin-tuc__card-title {
    font-size: 1.2rem;
  }

  .page-tin-tuc__step-number {
    font-size: 2rem;
  }

  .page-tin-tuc__step-title {
    font-size: 1.15rem;
  }

  .page-tin-tuc__benefits-grid {
    grid-template-columns: 1fr;
  }

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

  .page-tin-tuc__faq-answer {
    padding: 0 20px 15px;
  }

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

  /* All containers for mobile */
  .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;
  }
}