.page-tin-tuc__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

/* Hero Section */
.page-tin-tuc__hero-section {
  padding-top: 10px; /* Minimal top padding, rely on body for header offset */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  color: #F3F8FF; /* Text Main */
  background: var(--deep-navy-color); /* Deep Navy for dark background */
}

.page-tin-tuc__hero-image-wrapper {
  width: 100%;
  max-height: 500px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-tin-tuc__hero-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.page-tin-tuc__hero-content {
  position: relative;
  z-index: 1;
  padding: 40px 20px;
  max-width: 900px;
  margin-top: -100px; /* Overlap slightly for visual effect, but not over image content */
  background: linear-gradient(180deg, rgba(8, 22, 43, 0) 0%, var(--deep-navy-color) 20%);
  padding-top: 150px; /* Adjust padding to make text appear below the main visual part of the image */
}

.page-tin-tuc__main-title {
  font-size: clamp(2.2em, 4vw, 3.5em);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #F3F8FF; /* Text Main */
}

.page-tin-tuc__hero-description {
  font-size: 1.1em;
  line-height: 1.6;
  margin-bottom: 30px;
  color: #AFC4E8; /* Text Secondary */
}

.page-tin-tuc__btn-primary {
  display: inline-block;
  padding: 15px 30px;
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #ffffff;
  font-size: 1.1em;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: none;
  cursor: pointer;
  max-width: 100%; /* Ensure responsiveness */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-tin-tuc__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* General Section Styles */
.page-tin-tuc__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.8em);
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: #113B7A; /* Main color */
}

.page-tin-tuc__section-description {
  font-size: 1em;
  line-height: 1.6;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
  color: #333333; /* Default dark text for light background */
}

.page-tin-tuc__dark-bg .page-tin-tuc__section-title {
  color: #F3F8FF; /* Text Main */
}

.page-tin-tuc__dark-bg .page-tin-tuc__section-description {
  color: #AFC4E8; /* Text Secondary */
}

/* Latest News Section */
.page-tin-tuc__latest-news-section {
  background: #f9f9f9; /* Light background */
  color: #333333; /* Dark text */
}

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

.page-tin-tuc__news-card,
.page-tin-tuc__article-card {
  background: #ffffff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #e0e0e0;
}

.page-tin-tuc__news-card:hover,
.page-tin-tuc__article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-tin-tuc__card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
}

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

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

.page-tin-tuc__card-title {
  font-size: 1.25em;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.4;
  color: #113B7A; /* Main color */
}

.page-tin-tuc__dark-bg .page-tin-tuc__card-title {
  color: #F3F8FF; /* Text Main */
}

.page-tin-tuc__card-date {
  font-size: 0.9em;
  color: #666;
  margin-bottom: 10px;
}

.page-tin-tuc__dark-bg .page-tin-tuc__card-date {
  color: #AFC4E8; /* Text Secondary */
}

.page-tin-tuc__card-excerpt {
  font-size: 0.95em;
  line-height: 1.5;
  color: #555;
  margin-bottom: 15px;
}

.page-tin-tuc__dark-bg .page-tin-tuc__card-excerpt {
  color: #AFC4E8; /* Text Secondary */
}

.page-tin-tuc__read-more {
  display: inline-block;
  font-size: 0.95em;
  font-weight: 600;
  color: #1D5FD1; /* Accent color */
  text-decoration: none;
  transition: color 0.3s ease;
}

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

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

.page-tin-tuc__dark-bg .page-tin-tuc__read-more:hover {
  color: #FFD700;
}

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

.page-tin-tuc__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  background: #ffffff;
  color: #113B7A; /* Main color */
  font-size: 1em;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  border: 2px solid #113B7A;
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
  max-width: 100%; /* Ensure responsiveness */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

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

/* Featured Articles Section */
.page-tin-tuc__featured-articles-section {
  background: #10233F; /* Card BG */
  color: #F3F8FF; /* Text Main */
}

.page-tin-tuc__featured-articles-section .page-tin-tuc__card-title {
  color: #F3F8FF; /* Text Main */
}

.page-tin-tuc__featured-articles-section .page-tin-tuc__card-excerpt,
.page-tin-tuc__featured-articles-section .page-tin-tuc__card-date {
  color: #AFC4E8; /* Text Secondary */
}

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

.page-tin-tuc__featured-articles-section .page-tin-tuc__read-more:hover {
  color: #FFD700;
}

.page-tin-tuc__article-card {
  background: #10233F; /* Card BG */
  border: 1px solid #244D84; /* Border */
}

/* Benefits Section */
.page-tin-tuc__benefits-section {
  background: #f9f9f9;
  color: #333333;
}

.page-tin-tuc__benefits-list {
  list-style: none;
  padding: 0;
  margin: 40px auto 0 auto;
  max-width: 900px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
}

.page-tin-tuc__benefit-item {
  background: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  border: 1px solid #e0e0e0;
  text-align: left;
}

.page-tin-tuc__benefit-title {
  font-size: 1.3em;
  font-weight: 600;
  color: #113B7A; /* Main color */
  margin-bottom: 15px;
}

.page-tin-tuc__benefit-text {
  font-size: 0.95em;
  line-height: 1.6;
  color: #555;
}

/* CTA Banner Section */
.page-tin-tuc__cta-banner-section {
  background: var(--deep-navy-color); /* Deep Navy */
  color: #F3F8FF; /* Text Main */
  padding: 60px 20px;
  text-align: center;
}

.page-tin-tuc__cta-banner-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.page-tin-tuc__cta-banner-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  display: block;
}

.page-tin-tuc__cta-text-wrapper {
  max-width: 700px;
}

/* FAQ Section */
.page-tin-tuc__faq-section {
  background: #f9f9f9;
  color: #333333;
}

.page-tin-tuc__faq-list {
  max-width: 900px;
  margin: 40px auto 0 auto;
}

details.page-tin-tuc__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #e0e0e0;
  overflow: hidden;
  background: #fff;
}

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: #f5f5f5;
}

.page-tin-tuc__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #113B7A; /* Main color */
}

.page-tin-tuc__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #666;
  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: #f9f9f9;
  border-radius: 0 0 5px 5px;
  color: #555;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-tin-tuc__hero-content {
    margin-top: -80px;
    padding-top: 120px;
  }
  .page-tin-tuc__news-grid,
  .page-tin-tuc__articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-tin-tuc__benefits-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .page-tin-tuc__container {
    padding: 30px 15px;
  }
  
  /* HERO 主图区域 */
  .page-tin-tuc__hero-image-wrapper {
    max-height: 300px;
  }
  .page-tin-tuc__hero-image {
    object-fit: contain !important; /* 禁止 cover 裁切两侧 */
    aspect-ratio: unset !important; /* 取消固定比例 */
    height: auto !important; /* 确保高度自适应 */
  }
  .page-tin-tuc__hero-section {
    padding-top: 10px; /* 顶距约 10px，禁止 var(--header-offset) */
  }
  .page-tin-tuc__hero-content {
    margin-top: -50px;
    padding: 30px 15px;
    padding-top: 80px; /* Adjust padding to make text appear below the main visual part of the image */
  }
  .page-tin-tuc__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
  }
  .page-tin-tuc__hero-description {
    font-size: 1em;
  }

  /* 通用图片与容器 */
  .page-tin-tuc img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-tin-tuc__section,
  .page-tin-tuc__card,
  .page-tin-tuc__container,
  .page-tin-tuc__hero-section,
  .page-tin-tuc__latest-news-section,
  .page-tin-tuc__featured-articles-section,
  .page-tin-tuc__benefits-section,
  .page-tin-tuc__cta-banner-section,
  .page-tin-tuc__faq-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow-x: hidden; /* Prevent horizontal scroll */
  }

  /* 产品展示图区域 / News Grid */
  .page-tin-tuc__news-grid,
  .page-tin-tuc__articles-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-tin-tuc__card-image {
    height: auto; /* Ensure image scales correctly */
  }

  /* 装饰主标题 + 长文 SEO 区 */
  .page-tin-tuc__section-title {
    font-size: clamp(1.5em, 6vw, 2em);
    text-align: center;
  }
  .page-tin-tuc__section-description {
    font-size: 0.95em;
    margin-bottom: 30px;
  }

  /* 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 15px;
    font-size: 1em;
  }
  .page-tin-tuc__cta-banner-content {
    flex-direction: column;
    gap: 20px;
  }
  .page-tin-tuc__cta-banner-image {
    width: 100%;
    height: auto;
  }
  .page-tin-tuc__view-all-wrapper {
    padding: 0 15px;
  }

  /* Benefits List */
  .page-tin-tuc__benefits-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-tin-tuc__benefit-item {
    padding: 25px;
  }
  .page-tin-tuc__benefit-title {
    font-size: 1.2em;
  }

  /* FAQ */
  details.page-tin-tuc__faq-item summary.page-tin-tuc__faq-question { padding: 15px; }
  .page-tin-tuc__faq-qtext { font-size: 15px; }
  details.page-tin-tuc__faq-item .page-tin-tuc__faq-answer { padding: 0 15px 15px; }
}