/* Base styles for the page-tin-tuc */
.page-tin-tuc {
  font-family: 'Arial', sans-serif;
  color: var(--color-text-main, #F2FFF6);
  background-color: var(--color-background, #08160F);
  line-height: 1.6;
  padding-bottom: 50px;
}

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

.page-tin-tuc__section-title {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 15px;
  color: var(--color-text-main, #F2FFF6);
  line-height: 1.2;
}

.page-tin-tuc__section-subtitle {
  font-size: 18px;
  text-align: center;
  margin-bottom: 40px;
  color: var(--color-text-secondary, #A7D9B8);
}

/* Hero Section */
.page-tin-tuc__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, not --header-offset */
  margin-bottom: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-tin-tuc__hero-image-wrapper {
  width: 100%;
  max-height: 500px;
  overflow: hidden;
  position: relative;
  margin-bottom: 30px;
}

.page-tin-tuc__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 10px;
}

.page-tin-tuc__hero-content {
  text-align: center;
  max-width: 900px;
  padding: 0 20px;
}

.page-tin-tuc__hero-title {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--color-text-main, #F2FFF6);
  line-height: 1.2;
}

.page-tin-tuc__hero-description {
  font-size: 20px;
  margin-bottom: 30px;
  color: var(--color-text-secondary, #A7D9B8);
}

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

/* 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;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
}

.page-tin-tuc__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-tin-tuc__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  box-shadow: 0 0 15px var(--color-glow, #57E38D);
}

.page-tin-tuc__btn-secondary {
  background: transparent;
  color: var(--color-text-main, #F2FFF6);
  border: 2px solid var(--color-border, #2E7A4E);
}

.page-tin-tuc__btn-secondary:hover {
  background: var(--color-border, #2E7A4E);
  color: #ffffff;
}

.page-tin-tuc__read-more-btn {
  display: inline-block;
  margin-top: 15px;
  padding: 8px 15px;
  background: var(--color-deep-green, #0A4B2C);
  color: var(--color-text-main, #F2FFF6);
  border-radius: 5px;
  text-decoration: none;
  font-size: 14px;
  transition: background-color 0.3s ease;
}

.page-tin-tuc__read-more-btn:hover {
  background-color: var(--color-border, #2E7A4E);
}

/* Latest News Section */
.page-tin-tuc__latest-news-section {
  margin-bottom: 60px;
}

.page-tin-tuc__news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.page-tin-tuc__news-card {
  background-color: var(--color-card-bg, #11271B);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
}

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

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

.page-tin-tuc__card-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
}

.page-tin-tuc__card-title a {
  color: var(--color-text-main, #F2FFF6);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-tin-tuc__card-title a:hover {
  color: var(--color-secondary, #22C768);
}

.page-tin-tuc__card-date {
  font-size: 14px;
  color: var(--color-text-secondary, #A7D9B8);
  margin-bottom: 10px;
}

.page-tin-tuc__card-excerpt {
  font-size: 15px;
  color: var(--color-text-secondary, #A7D9B8);
  margin-bottom: 15px;
  flex-grow: 1;
}

.page-tin-tuc__view-all-button-container {
  text-align: center;
}

/* Info Section (Dark Background) */
.page-tin-tuc__info-section {
  background-color: var(--color-deep-green, #0A4B2C);
  padding: 60px 0;
  margin-bottom: 60px;
  border-radius: 10px;
}

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

.page-tin-tuc__info-item {
  text-align: center;
  padding: 20px;
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
}

.page-tin-tuc__info-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text-main, #F2FFF6);
}

.page-tin-tuc__info-description {
  font-size: 16px;
  color: var(--color-text-secondary, #A7D9B8);
}

/* FAQ Section */
.page-tin-tuc__faq-section {
  margin-bottom: 60px;
}

details.page-tin-tuc__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid var(--color-border, #2E7A4E);
  overflow: hidden;
  background: var(--color-card-bg, #11271B);
}

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: rgba(var(--color-border, #2E7A4E), 0.2);
}

.page-tin-tuc__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--color-text-main, #F2FFF6);
}

.page-tin-tuc__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: var(--color-text-secondary, #A7D9B8);
  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: rgba(var(--color-deep-green, #0A4B2C), 0.5);
  border-radius: 0 0 5px 5px;
  color: var(--color-text-secondary, #A7D9B8);
}

/* CTA Bottom Section */
.page-tin-tuc__cta-bottom-section {
  text-align: center;
  padding: 50px 0;
  background-color: var(--color-card-bg, #11271B);
  border-radius: 10px;
}

.page-tin-tuc__cta-bottom-title {
  font-size: 38px;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--color-gold, #F2C14E);
}

.page-tin-tuc__cta-bottom-description {
  font-size: 20px;
  color: var(--color-text-secondary, #A7D9B8);
  margin-bottom: 30px;
}

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

.page-tin-tuc__container,
.page-tin-tuc__news-grid,
.page-tin-tuc__info-grid,
.page-tin-tuc__faq-list {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* Media Queries for responsiveness */
@media (max-width: 1024px) {
  .page-tin-tuc__hero-title {
    font-size: 40px;
  }
  .page-tin-tuc__hero-description {
    font-size: 18px;
  }
  .page-tin-tuc__section-title {
    font-size: 32px;
  }
  .page-tin-tuc__news-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  .page-tin-tuc__info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .page-tin-tuc {
    padding-bottom: 30px;
  }
  .page-tin-tuc__hero-section {
    padding-top: 10px;
    margin-bottom: 40px;
  }
  .page-tin-tuc__hero-image-wrapper {
    max-height: 300px;
    margin-bottom: 20px;
  }
  .page-tin-tuc__hero-image {
    object-fit: contain !important; /* HERO 主图区域 */
    aspect-ratio: unset !important;
  }
  .page-tin-tuc__hero-title {
    font-size: clamp(30px, 8vw, 40px); /* 页面标题区 H1 字号 */
    margin-bottom: 15px;
  }
  .page-tin-tuc__hero-description {
    font-size: 16px;
    margin-bottom: 25px;
  }
  .page-tin-tuc__hero-cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    padding: 0 15px;
  }
  .page-tin-tuc__btn-primary,
  .page-tin-tuc__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 20px !important;
    font-size: 16px !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    box-sizing: border-box !important;
  }

  .page-tin-tuc__section-title {
    font-size: 28px;
    margin-bottom: 10px;
    padding: 0 15px;
  }
  .page-tin-tuc__section-subtitle {
    font-size: 16px;
    margin-bottom: 30px;
    padding: 0 15px;
  }

  .page-tin-tuc__latest-news-section,
  .page-tin-tuc__info-section,
  .page-tin-tuc__faq-section,
  .page-tin-tuc__cta-bottom-section {
    margin-bottom: 40px;
  }

  .page-tin-tuc__news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    overflow-x: hidden; /* 产品展示图区域 */
  }
  .page-tin-tuc__news-card {
    margin: 0 15px;
  }

  .page-tin-tuc__card-image {
    height: 180px;
  }
  .page-tin-tuc__card-title {
    font-size: 18px;
  }
  .page-tin-tuc__card-excerpt {
    font-size: 14px;
  }

  .page-tin-tuc__info-section {
    padding: 40px 0;
  }
  .page-tin-tuc__info-grid {
    grid-template-columns: 1fr;
    margin-top: 30px;
    margin-bottom: 30px;
    padding: 0 15px;
  }
  .page-tin-tuc__info-title {
    font-size: 20px;
  }
  .page-tin-tuc__info-description {
    font-size: 15px;
  }

  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;
    margin-left: 10px;
  }
  details.page-tin-tuc__faq-item .page-tin-tuc__faq-answer {
    padding: 0 15px 15px;
  }

  .page-tin-tuc__cta-bottom-section {
    padding: 40px 0;
  }
  .page-tin-tuc__cta-bottom-title {
    font-size: 30px;
  }
  .page-tin-tuc__cta-bottom-description {
    font-size: 16px;
  }
  .page-tin-tuc__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    padding: 0 15px;
  }

  .page-tin-tuc img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-tin-tuc__container,
  .page-tin-tuc__section,
  .page-tin-tuc__card,
  .page-tin-tuc__news-grid,
  .page-tin-tuc__info-grid,
  .page-tin-tuc__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow-x: hidden;
  }

  /* Ensure main content text is readable on mobile */
  .page-tin-tuc p, .page-tin-tuc li, .page-tin-tuc__card-excerpt {
    font-size: 15px;
  }
}

@media (max-width: 480px) {
  .page-tin-tuc__hero-title {
    font-size: clamp(26px, 9vw, 30px);
  }
  .page-tin-tuc__btn-primary,
  .page-tin-tuc__btn-secondary {
    font-size: 15px !important;
    padding: 10px 15px !important;
  }
  .page-tin-tuc__section-title {
    font-size: 24px;
  }
  .page-tin-tuc__cta-bottom-title {
    font-size: 26px;
  }
  .page-tin-tuc__faq-qtext {
    font-size: 15px;
  }
}