.page-tin-tuc {
  font-family: 'Arial', sans-serif;
  color: #FFF5E1; /* Text Main */
  background-color: #B71C1C; /* Background */
  line-height: 1.6;
}

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

.page-tin-tuc__top-section {
  padding-top: 10px; /* Adhere to 10px top spacing */
  padding-bottom: 40px;
  text-align: center;
  background: linear-gradient(180deg, #C91F17 0%, #7A0E0E 100%); /* Deep Red */
}

.page-tin-tuc__main-title {
  font-size: clamp(2.2em, 4vw, 3.5em); /* H1 clamp for responsiveness */
  font-weight: 700;
  margin-bottom: 15px;
  color: #FFF5E1; /* Text Main */
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-tin-tuc__description {
  font-size: 1.1em;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: #FFF5E1;
}

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

.page-tin-tuc__btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  transition: all 0.3s ease;
  cursor: pointer;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-tin-tuc__btn--primary {
  background: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%); /* Button color */
  color: #7A0E0E; /* Deep Red */
  border: 2px solid #F2B544; /* Border */
  box-shadow: 0 4px 15px rgba(255, 216, 106, 0.4);
}

.page-tin-tuc__btn--primary:hover {
  background: linear-gradient(180deg, #E6B800 0%, #FFD86A 100%);
  box-shadow: 0 6px 20px rgba(255, 216, 106, 0.6);
}

.page-tin-tuc__btn--secondary {
  background-color: transparent;
  color: #FFD86A; /* Gold-like for secondary text */
  border: 2px solid #FFD86A;
}

.page-tin-tuc__btn--secondary:hover {
  background-color: #FFD86A;
  color: #7A0E0E; /* Deep Red */
  border-color: #FFD86A;
}

.page-tin-tuc__btn--gold {
  background: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%); /* Button color */
  color: #7A0E0E; /* Deep Red */
  border: 2px solid #F2B544; /* Border */
  box-shadow: 0 4px 15px rgba(255, 216, 106, 0.4);
}

.page-tin-tuc__btn--gold:hover {
  background: linear-gradient(180deg, #E6B800 0%, #FFD86A 100%);
  box-shadow: 0 6px 20px rgba(255, 216, 106, 0.6);
}

.page-tin-tuc__section-title {
  font-size: 2.5em;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: #FFD86A; /* Gold */
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
  padding-top: 60px;
}

.page-tin-tuc__featured-news-section {
  padding-bottom: 60px;
  background-color: #B71C1C; /* Background */
}

.page-tin-tuc__featured-article {
  display: flex;
  background-color: #D32F2F; /* Card BG */
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  margin-bottom: 40px;
}

.page-tin-tuc__article-figure {
  flex: 1;
  margin: 0;
}

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

.page-tin-tuc__article-content {
  flex: 1;
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-tin-tuc__article-title {
  font-size: 2em;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
}

.page-tin-tuc__article-title a {
  color: #FFD86A; /* Gold */
  text-decoration: none;
}

.page-tin-tuc__article-title a:hover {
  text-decoration: underline;
}

.page-tin-tuc__article-date {
  font-size: 0.9em;
  color: rgba(255, 245, 225, 0.7); /* Lighter Text Main */
  margin-bottom: 15px;
  display: block;
}

.page-tin-tuc__article-excerpt {
  font-size: 1.05em;
  color: #FFF5E1;
  margin-bottom: 25px;
}

.page-tin-tuc__read-more-btn {
  display: inline-block;
  padding: 10px 25px;
  background: #FFCC66; /* Glow */
  color: #7A0E0E; /* Deep Red */
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

.page-tin-tuc__read-more-btn:hover {
  background-color: #F4D34D; /* Gold */
}

.page-tin-tuc__news-list-section {
  padding-top: 60px;
  padding-bottom: 80px;
  background-color: #7A0E0E; /* Deep Red */
}

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

.page-tin-tuc__news-card {
  background-color: #D32F2F; /* Card BG */
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
}

.page-tin-tuc__card-figure {
  margin: 0;
  width: 100%;
  height: 200px; /* Fixed height for consistent card images */
}

.page-tin-tuc__card-image {
  width: 100%;
  height: 100%;
  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: 1.3em;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}

.page-tin-tuc__card-title a {
  color: #FFD86A; /* Gold */
  text-decoration: none;
}

.page-tin-tuc__card-title a:hover {
  text-decoration: underline;
}

.page-tin-tuc__card-date {
  font-size: 0.85em;
  color: rgba(255, 245, 225, 0.6);
  margin-bottom: 12px;
  display: block;
}

.page-tin-tuc__card-excerpt {
  font-size: 0.95em;
  color: #FFF5E1;
  flex-grow: 1;
  margin-bottom: 15px;
}

.page-tin-tuc__read-more-link {
  display: inline-block;
  margin-top: auto;
  color: #FFCC66; /* Glow */
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.page-tin-tuc__read-more-link:hover {
  color: #F4D34D; /* Gold */
  text-decoration: underline;
}

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

.page-tin-tuc__promo-banner-section {
  padding: 80px 0;
  background: url('[GALLERY:blog:1920x400:acb vip,promo banner,background,golden chips]') no-repeat center center/cover;
  text-align: center;
  position: relative;
  z-index: 1;
}

.page-tin-tuc__promo-banner-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6); /* Dark overlay for text readability */
  z-index: -1;
}

.page-tin-tuc__promo-banner {
  background-color: transparent; /* Ensure container itself is transparent */
  padding: 40px;
  border-radius: 15px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-tin-tuc__promo-content {
  max-width: 800px;
  margin: 0 auto;
}

.page-tin-tuc__promo-title {
  font-size: 2.8em;
  font-weight: 700;
  color: #FFD86A; /* Gold */
  margin-bottom: 20px;
  text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.7);
}

.page-tin-tuc__promo-text {
  font-size: 1.2em;
  color: #FFF5E1; /* Text Main */
  margin-bottom: 35px;
  line-height: 1.7;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-tin-tuc__about-us-summary {
  padding: 80px 0;
  background-color: #B71C1C; /* Background */
  text-align: center;
}

.page-tin-tuc__about-text {
  font-size: 1.1em;
  color: #FFF5E1; /* Text Main */
  max-width: 900px;
  margin: 0 auto 30px auto;
  line-height: 1.8;
}

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

/* Mobile @media (max-width: 768px) MUST HAVE checklist items */
@media (max-width: 768px) {
  .page-tin-tuc__top-section {
    padding-top: 10px !important; /* 1. Top section padding */
    padding-bottom: 30px;
  }

  .page-tin-tuc__main-title {
    font-size: clamp(2em, 8vw, 2.5em);
    margin-bottom: 10px;
  }

  .page-tin-tuc__description {
    font-size: 1em;
    margin-bottom: 20px;
    padding: 0 15px;
  }

  .page-tin-tuc__cta-buttons {
    flex-direction: column; /* 1. Top CTA stacking */
    gap: 15px;
    padding: 0 15px;
  }

  .page-tin-tuc__btn {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-tin-tuc__section-title {
    font-size: 2em;
    margin-bottom: 30px;
    padding-top: 40px;
  }

  .page-tin-tuc__featured-article {
    flex-direction: column; /* Featured article stacking */
    margin: 0 15px 30px 15px; /* 2. Single column article container padding */
  }

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

  .page-tin-tuc__article-title {
    font-size: 1.5em;
  }

  .page-tin-tuc__article-excerpt {
    font-size: 0.95em;
  }

  .page-tin-tuc__articles-grid {
    grid-template-columns: 1fr; /* News grid to single column */
    gap: 20px;
    padding: 0 15px; /* 2. Single column article container padding */
  }

  .page-tin-tuc__news-card {
    margin: 0;
  }

  .page-tin-tuc__card-figure {
    height: 180px;
  }

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

  .page-tin-tuc img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-tin-tuc__section,
  .page-tin-tuc__card,
  .page-tin-tuc__container,
  .page-tin-tuc__promo-banner,
  .page-tin-tuc__articles-grid {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-tin-tuc__view-all-btn-container {
    padding: 0 15px; /* 4. Buttons and containers padding */
  }

  .page-tin-tuc__promo-banner-section {
    padding: 60px 0;
  }

  .page-tin-tuc__promo-title {
    font-size: 2em;
    margin-bottom: 15px;
  }

  .page-tin-tuc__promo-text {
    font-size: 1em;
    margin-bottom: 25px;
    padding: 0 15px;
  }

  .page-tin-tuc__about-us-summary {
    padding: 60px 0;
  }

  .page-tin-tuc__about-text {
    font-size: 1em;
    padding: 0 15px;
    margin-bottom: 20px;
  }
  /* 5. Registration tutorial & FAQ: This page is a news page, so these sections are not present. */
}