.page-tin-tuc {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #F3F8FF; /* Text Main */
  background-color: var(--deep-navy); /* Body background from shared.css */
}

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

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

.page-tin-tuc__dark-section {
  background-color: #10233F; /* Card BG */
  color: #F3F8FF;
}

.page-tin-tuc__section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  text-align: center;
  margin-bottom: 15px;
  color: #F3F8FF; /* Text Main */
}

.page-tin-tuc__section-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  text-align: center;
  margin-bottom: 40px;
  color: #AFC4E8; /* Text Secondary */
}

/* Hero Section */
.page-tin-tuc__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 10px; /* Small top padding */
  padding-bottom: 60px;
  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(0.5);
}

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

.page-tin-tuc__main-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #F2C14E; /* Gold */
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
}

.page-tin-tuc__hero-description {
  font-size: clamp(18px, 2.5vw, 22px);
  margin-bottom: 30px;
  color: #F3F8FF;
}

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

/* Buttons */
.page-tin-tuc__btn-primary,
.page-tin-tuc__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-tin-tuc__btn-primary {
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #ffffff;
  border: 2px solid transparent;
  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__btn-secondary {
  background-color: transparent;
  color: #F2C14E; /* Gold */
  border: 2px solid #F2C14E;
}

.page-tin-tuc__btn-secondary:hover {
  background-color: #F2C14E;
  color: #113B7A;
  transform: translateY(-2px);
}

/* Latest Articles Section */
.page-tin-tuc__articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-tin-tuc__article-card {
  background-color: #10233F; /* Card BG */
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #244D84; /* Border */
}

.page-tin-tuc__article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-tin-tuc__article-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.page-tin-tuc__card-content {
  padding: 25px;
}

.page-tin-tuc__card-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
}

.page-tin-tuc__card-title a {
  color: #F3F8FF; /* Text Main */
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-tin-tuc__card-title a:hover {
  color: #F2C14E; /* Gold */
}

.page-tin-tuc__card-date {
  font-size: 14px;
  color: #AFC4E8; /* Text Secondary */
  margin-bottom: 15px;
  display: block;
}

.page-tin-tuc__card-excerpt {
  font-size: 16px;
  color: #AFC4E8; /* Text Secondary */
  margin-bottom: 20px;
}

.page-tin-tuc__read-more {
  display: inline-block;
  font-size: 16px;
  font-weight: 600;
  color: #1D5FD1; /* Auxiliary color */
  text-decoration: none;
  border-bottom: 2px solid #1D5FD1;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.page-tin-tuc__read-more:hover {
  color: #2B73F6;
  border-color: #2B73F6;
}

.page-tin-tuc__view-all {
  text-align: center;
  margin-top: 50px;
}

/* CTA Section */
.page-tin-tuc__cta-section .page-tin-tuc__section-title,
.page-tin-tuc__cta-section .page-tin-tuc__section-subtitle {
  color: #F3F8FF;
}

.page-tin-tuc__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* FAQ Section */
details.page-tin-tuc__faq-item {
  margin-bottom: 15px;
  border-radius: 12px;
  border: 1px solid #244D84; /* Border */
  overflow: hidden;
  background: #10233F; /* Card BG */
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}
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;
  color: #F3F8FF; /* Text Main */
  font-weight: 600;
}
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(43, 115, 246, 0.1);
}
.page-tin-tuc__faq-qtext {
  flex: 1;
  font-size: 18px;
  line-height: 1.5;
  text-align: left;
}
.page-tin-tuc__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: #F2C14E; /* Gold */
  flex-shrink: 0;
  margin-left: 15px;
  width: 30px;
  text-align: center;
}
details.page-tin-tuc__faq-item .page-tin-tuc__faq-answer {
  padding: 0 25px 25px;
  background: rgba(16, 35, 63, 0.8); /* Slightly lighter Card BG for contrast */
  border-radius: 0 0 12px 12px;
  color: #AFC4E8; /* Text Secondary */
  font-size: 16px;
}

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

/* Responsive adjustments */
@media (max-width: 1024px) {
  .page-tin-tuc__main-title {
    font-size: clamp(32px, 4.5vw, 48px);
  }
  .page-tin-tuc__hero-description {
    font-size: clamp(16px, 2.2vw, 20px);
  }
  .page-tin-tuc__section-title {
    font-size: clamp(26px, 3.5vw, 38px);
  }
  .page-tin-tuc__section-subtitle {
    font-size: clamp(15px, 1.8vw, 18px);
  }
  .page-tin-tuc__article-card img {
    
  }
  .page-tin-tuc__card-title {
    font-size: 20px;
  }
  .page-tin-tuc__faq-qtext {
    font-size: 17px;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-tin-tuc__hero-section {
    padding-top: 10px;
    padding-bottom: 40px;
  }
  .page-tin-tuc__hero-image img {
    object-fit: contain !important; /* 禁止 cover 裁切两侧 */
    aspect-ratio: unset !important;
    filter: brightness(0.6);
  }
  .page-tin-tuc__hero-content {
    padding: 15px;
  }
  .page-tin-tuc__main-title {
    font-size: clamp(28px, 8vw, 36px);
    margin-bottom: 15px;
  }
  .page-tin-tuc__hero-description {
    font-size: clamp(15px, 4vw, 18px);
    margin-bottom: 25px;
  }
  .page-tin-tuc__hero-buttons,
  .page-tin-tuc__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 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;
    padding: 12px 20px;
    font-size: 16px;
  }
  .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;
  }

  /* 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__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-tin-tuc__section {
    padding: 40px 0;
  }

  /* 装饰主标题 + 长文 SEO 区 (article body is not present here, but general text blocks) */
  .page-tin-tuc__section-title {
    font-size: clamp(24px, 7vw, 32px);
    margin-bottom: 10px;
    line-height: 1.3;
  }
  .page-tin-tuc__section-subtitle {
    font-size: clamp(14px, 4vw, 16px);
    margin-bottom: 30px;
  }

  /* Latest Articles Section */
  .page-tin-tuc__articles-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-tin-tuc__article-card img {
    
  }
  .page-tin-tuc__card-title {
    font-size: 18px;
  }
  .page-tin-tuc__card-excerpt {
    font-size: 15px;
  }
  .page-tin-tuc__read-more {
    font-size: 15px;
  }
  
  /* FAQ Section */
  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;
  }
  details.page-tin-tuc__faq-item .page-tin-tuc__faq-answer {
    padding: 0 20px 20px;
    font-size: 15px;
  }
}