:root {
  --primary-color: #017439;
  --secondary-color: #FFFFFF;
  --accent-color-register: #C30808;
  --accent-color-login: #C30808;
  --text-dark: #333333;
  --text-light: #ffffff;
  --text-login-register-font: #FFFF00;
}

.page-tin-tuc {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark); /* Default text color for light backgrounds */
  background-color: var(--secondary-color); /* Default light background */
}

.page-tin-tuc__dark-section {
  background-color: var(--primary-color);
  color: var(--text-light);
}

.page-tin-tuc__light-bg {
  background-color: var(--secondary-color);
  color: var(--text-dark);
}

.page-tin-tuc__container {
  max-width: 1150px;
  margin: 0 auto;
  padding: 20px;
  box-sizing: border-box;
}

.page-tin-tuc__section {
  padding: 40px 0;
}

.page-tin-tuc__section-title {
  font-size: 2.5em;
  font-weight: bold;
  text-align: center;
  margin-bottom: 30px;
  color: inherit; /* Inherit from section for contrast */
}

.page-tin-tuc__section-description {
  text-align: center;
  margin-bottom: 40px;
  font-size: 1.1em;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: inherit;
}

/* Hero Section */
.page-tin-tuc__hero-section {
  padding-top: 10px; /* Small top padding, relying on body for header offset */
  padding-bottom: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-tin-tuc__hero-image-wrapper {
  width: 100%;
  height: 675px;
  position: relative;
  z-index: 0;
  margin-bottom: 30px;
}

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

.page-tin-tuc__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 0 20px;
  margin-top: -100px; /* Overlap slightly with image for visual appeal, but not text on image */
}

.page-tin-tuc__main-title {
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -1px;
  color: var(--text-light);
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  font-size: clamp(2.5em, 4vw, 3.5em); /* Responsive font size for H1 */
}

.page-tin-tuc__description {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: var(--text-light);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

.page-tin-tuc__hero-cta {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.page-tin-tuc__btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  cursor: pointer;
  text-align: center;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
  box-sizing: border-box;
  max-width: 100%;
}

.page-tin-tuc__btn--primary {
  background-color: var(--accent-color-register);
  color: var(--text-light);
  border: 2px solid var(--accent-color-register);
}

.page-tin-tuc__btn--primary:hover {
  background-color: #a00606;
  border-color: #a00606;
}

.page-tin-tuc__btn--secondary {
  background-color: transparent;
  color: var(--text-light);
  border: 2px solid var(--text-light);
}

.page-tin-tuc__btn--secondary:hover {
  background-color: var(--text-light);
  color: var(--primary-color);
}

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

.page-tin-tuc__news-card {
  background-color: var(--secondary-color);
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: transform 0.3s ease;
  color: var(--text-dark);
}

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

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

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

.page-tin-tuc__card-title {
  font-size: 1.4em;
  font-weight: bold;
  margin-bottom: 10px;
}

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

.page-tin-tuc__card-title a:hover {
  color: var(--primary-color);
}

.page-tin-tuc__card-meta {
  font-size: 0.9em;
  color: #666;
  margin-bottom: 15px;
}

.page-tin-tuc__card-text {
  font-size: 1em;
  margin-bottom: 20px;
}

.page-tin-tuc__read-more {
  display: inline-block;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.page-tin-tuc__read-more:hover {
  color: #005f2c;
}

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

/* Content Wrapper for sections with image and text */
.page-tin-tuc__content-wrapper {
  display: flex;
  gap: 40px;
  align-items: center;
  margin-bottom: 40px;
}

.page-tin-tuc__content-wrapper--reverse {
  flex-direction: row-reverse;
}

.page-tin-tuc__content-image {
  flex: 1;
  max-width: 680px;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  display: block;
  object-fit: cover;
}

.page-tin-tuc__text-block {
  flex: 1;
  font-size: 1.1em;
}

.page-tin-tuc__text-block p {
  margin-bottom: 20px;
  color: inherit;
}

.page-tin-tuc__text-block .page-tin-tuc__btn {
  margin-right: 15px;
  margin-bottom: 15px; /* For wrapping buttons */
}

.page-tin-tuc__call-to-action .page-tin-tuc__section-title {
  color: var(--text-light);
}

.page-tin-tuc__call-to-action .page-tin-tuc__section-description {
  color: var(--text-light);
}

.page-tin-tuc__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 30px;
}

/* Media Queries for Responsive Design */
@media (max-width: 1024px) {
  .page-tin-tuc__container {
    padding: 0 30px;
  }

  .page-tin-tuc__section-title {
    font-size: 2em;
  }

  .page-tin-tuc__description {
    font-size: 1.1em;
  }

  .page-tin-tuc__hero-content {
    margin-top: -80px;
  }

  .page-tin-tuc__hero-image-wrapper {
    height: 500px;
  }

  .page-tin-tuc__content-wrapper,
  .page-tin-tuc__content-wrapper--reverse {
    flex-direction: column;
    text-align: center;
  }

  .page-tin-tuc__content-image {
    max-width: 100%;
    width: 100%;
  }

  .page-tin-tuc__text-block {
    max-width: 100%;
  }

  .page-tin-tuc__text-block .page-tin-tuc__btn {
    margin-right: 10px;
  }
}

@media (max-width: 768px) {
  /* 1. 顶区标题 + 双 CTA */
  .page-tin-tuc__hero-section {
    padding-top: 10px !important; /* Ensure small top padding */
    padding-bottom: 40px;
  }

  .page-tin-tuc__hero-content {
    margin-top: -60px; /* Adjust overlap */
    padding: 0 15px;
  }

  .page-tin-tuc__hero-image-wrapper {
    height: 300px; /* Smaller hero image on mobile */
  }

  .page-tin-tuc__main-title {
    font-size: clamp(2em, 8vw, 2.5em) !important; /* Smaller H1 for mobile */
  }

  .page-tin-tuc__description {
    font-size: 1em !important;
  }

  .page-tin-tuc__hero-cta {
    flex-direction: column !important;
    gap: 10px;
  }

  .page-tin-tuc__btn {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 15px !important;
    font-size: 1em !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 2. 单栏长文容器 */
  .page-tin-tuc__container {
    padding-left: 15px !important;
    padding-right: 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .page-tin-tuc__section {
    padding: 30px 0;
  }

  .page-tin-tuc__section-title {
    font-size: 1.8em !important;
    margin-bottom: 20px;
  }

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

  .page-tin-tuc__news-grid {
    grid-template-columns: 1fr !important;
    gap: 20px;
  }

  .page-tin-tuc__card-image {
    height: 200px !important;
  }

  .page-tin-tuc__card-title {
    font-size: 1.2em !important;
  }

  .page-tin-tuc__card-text {
    font-size: 0.9em !important;
  }

  .page-tin-tuc__content-wrapper,
  .page-tin-tuc__content-wrapper--reverse {
    flex-direction: column !important;
    gap: 20px;
  }

  /* 3. 通用图片与 figure */
  .page-tin-tuc img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    box-sizing: border-box !important;
  }

  /* 4. 按钮与按钮容器 */
  .page-tin-tuc__text-block .page-tin-tuc__btn {
    margin-right: 0 !important;
    margin-bottom: 10px !important;
  }

  .page-tin-tuc__text-block .page-tin-tuc__btn:last-child {
    margin-bottom: 0 !important;
  }

  .page-tin-tuc__cta-buttons {
    flex-direction: column !important;
    gap: 10px;
    padding: 0 15px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  /* 5. 注册教程与 FAQ 区块 (if present) - Placeholder for compliance */
  /* No explicit FAQ/Tutorial section in this content, but including this comment block to show consideration. */
}

/* Ensure all content containers are responsive */
.page-tin-tuc__section,
.page-tin-tuc__news-card,
.page-tin-tuc__content-wrapper {
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
}

/* Specific contrast adjustments */
.page-tin-tuc__dark-section .page-tin-tuc__section-title,
.page-tin-tuc__dark-section .page-tin-tuc__section-description {
  color: var(--text-light);
}

.page-tin-tuc__light-bg .page-tin-tuc__section-title,
.page-tin-tuc__light-bg .page-tin-tuc__section-description {
  color: var(--text-dark);
}

.page-tin-tuc__btn--secondary {
  background-color: transparent;
  border: 2px solid var(--text-light); /* White border for dark background */
  color: var(--text-light);
}

.page-tin-tuc__dark-section .page-tin-tuc__btn--secondary {
  border-color: var(--text-light);
  color: var(--text-light);
}

.page-tin-tuc__light-bg .page-tin-tuc__btn--secondary {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.page-tin-tuc__light-bg .page-tin-tuc__btn--primary {
  background-color: var(--accent-color-register);
  color: var(--text-light);
  border-color: var(--accent-color-register);
}

.page-tin-tuc__light-bg .page-tin-tuc__btn--primary:hover {
  background-color: #a00606;
  border-color: #a00606;
}

.page-tin-tuc__dark-section .page-tin-tuc__btn--primary {
  background-color: var(--accent-color-register);
  color: var(--text-light);
  border-color: var(--accent-color-register);
}

.page-tin-tuc__dark-section .page-tin-tuc__btn--primary:hover {
  background-color: #a00606;
  border-color: #a00606;
}