.page-ty-le-keo-truc-tuyen {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #FFF5E1; /* Text Main */
  background-color: #B71C1C; /* Background */
}

.page-ty-le-keo-truc-tuyen__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: hidden;
  width: 100%;
  box-sizing: border-box;
}

.page-ty-le-keo-truc-tuyen__hero-image-wrapper {
  width: 100%;
  max-height: 675px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-ty-le-keo-truc-tuyen__hero-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.page-ty-le-keo-truc-tuyen__hero-content {
  padding: 40px 20px;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  background-color: rgba(0, 0, 0, 0.4); /* Semi-transparent overlay for text readability */
  border-radius: 8px;
  margin-top: -80px; /* Overlap slightly with image for visual flow */
}

.page-ty-le-keo-truc-tuyen__main-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: #F4D34D; /* Gold */
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.page-ty-le-keo-truc-tuyen__description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: #FFF5E1;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-ty-le-keo-truc-tuyen__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-ty-le-keo-truc-tuyen__btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
  max-width: 100%;
}

.page-ty-le-keo-truc-tuyen__btn-primary {
  background: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%); /* Button custom gradient */
  color: #7A0E0E; /* Deep Red for contrast */
  border: 2px solid #F2B544; /* Border custom */
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-ty-le-keo-truc-tuyen__btn-primary:hover {
  background: linear-gradient(180deg, #E6B800 0%, #FFD86A 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.page-ty-le-keo-truc-tuyen__btn-secondary {
  background-color: #C91F17; /* Primary color */
  color: #FFF5E1; /* Text Main */
  border: 2px solid #F4D34D; /* Gold */
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-ty-le-keo-truc-tuyen__btn-secondary:hover {
  background-color: #E53935; /* Auxiliary color */
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.page-ty-le-keo-truc-tuyen__article-wrap {
  max-width: 1000px;
  margin: 40px auto;
  padding: 0 20px;
  background-color: #B71C1C; /* Background */
  border-radius: 8px;
}

.page-ty-le-keo-truc-tuyen__content-area h2,
.page-ty-le-keo-truc-tuyen__content-area h3 {
  color: #F4D34D; /* Gold */
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-ty-le-keo-truc-tuyen__section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  text-align: center;
  padding-top: 20px;
}

.page-ty-le-keo-truc-tuyen__sub-title {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
}

.page-ty-le-keo-truc-tuyen__content-area p {
  margin-bottom: 15px;
  color: #FFF5E1; /* Text Main */
}

.page-ty-le-keo-truc-tuyen__content-area strong {
  color: #FFD86A;
}

.page-ty-le-keo-truc-tuyen__list {
  list-style-type: disc;
  margin-left: 20px;
  margin-bottom: 20px;
  color: #FFF5E1; /* Text Main */
}

.page-ty-le-keo-truc-tuyen__list li {
  margin-bottom: 8px;
}

.page-ty-le-keo-truc-tuyen__info-card {
  background-color: #D32F2F; /* Card BG */
  border: 1px solid #F2B544; /* Border */
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 25px;
  color: #FFF5E1;
}

.page-ty-le-keo-truc-tuyen__figure {
  margin: 25px 0;
  text-align: center;
}

.page-ty-le-keo-truc-tuyen__figure img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  display: block;
  margin: 0 auto;
}

.page-ty-le-keo-truc-tuyen__figcaption {
  font-size: 0.9rem;
  color: #FFCC66; /* Glow */
  margin-top: 10px;
}

.page-ty-le-keo-truc-tuyen__promo-box {
  background: #C91F17; /* Primary color */
  border: 2px dashed #F4D34D; /* Gold */
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  margin: 30px 0;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-ty-le-keo-truc-tuyen__promo-title {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  color: #FFD86A; /* Button custom gradient color for highlight */
  margin-bottom: 15px;
  font-weight: 700;
}

.page-ty-le-keo-truc-tuyen__promo-box p {
  font-size: 1.05rem;
  margin-bottom: 25px;
  color: #FFF5E1;
}

.page-ty-le-keo-truc-tuyen__benefits-list {
  list-style-type: none;
  padding: 0;
  margin-bottom: 30px;
}

.page-ty-le-keo-truc-tuyen__benefits-list li {
  background-color: #D32F2F; /* Card BG */
  border-left: 5px solid #F4D34D; /* Gold */
  padding: 15px 20px;
  margin-bottom: 10px;
  border-radius: 5px;
  font-size: 1rem;
  color: #FFF5E1;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.page-ty-le-keo-truc-tuyen__faq-item {
  background-color: #D32F2F; /* Card BG */
  border: 1px solid #7A0E0E; /* Deep Red */
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-ty-le-keo-truc-tuyen__faq-question {
  font-size: 1.1rem;
  color: #FFD86A; /* Button custom gradient color */
  padding: 15px 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #C91F17; /* Primary color */
  margin: 0;
}

.page-ty-le-keo-truc-tuyen__faq-question::after {
  content: '+';
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.page-ty-le-keo-truc-tuyen__faq-question.active::after {
  content: '-';
  transform: rotate(180deg);
}

.page-ty-le-keo-truc-tuyen__faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
  color: #FFF5E1;
}

.page-ty-le-keo-truc-tuyen__faq-answer p {
  padding-bottom: 15px;
}

.page-ty-le-keo-truc-tuyen__faq-item.active .page-ty-le-keo-truc-tuyen__faq-answer {
  max-height: 500px; /* Adjust as needed */
}

.page-ty-le-keo-truc-tuyen__bottom-cta {
  margin-top: 40px;
  padding-bottom: 30px;
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
  .page-ty-le-keo-truc-tuyen__hero-content {
    padding: 30px 15px;
    margin-top: -60px;
  }

  .page-ty-le-keo-truc-tuyen__main-title {
    font-size: 2.5rem;
  }

  .page-ty-le-keo-truc-tuyen__description {
    font-size: 1rem;
  }

  .page-ty-le-keo-truc-tuyen__btn {
    padding: 10px 20px;
  }

  .page-ty-le-keo-truc-tuyen__article-wrap {
    margin: 30px auto;
    padding: 0 15px;
  }

  .page-ty-le-keo-truc-tuyen__section-title {
    font-size: 2rem;
  }

  .page-ty-le-keo-truc-tuyen__sub-title {
    font-size: 1.6rem;
  }

  .page-ty-le-keo-truc-tuyen__promo-title {
    font-size: 1.8rem;
  }
}

@media (max-width: 768px) {
  /* 1. 顶区标题 + 双 CTA */
  .page-ty-le-keo-truc-tuyen__hero-section {
    padding-top: 10px !important;
  }

  .page-ty-le-keo-truc-tuyen__hero-content {
    padding: 20px 10px;
    margin-top: -40px;
  }

  .page-ty-le-keo-truc-tuyen__main-title {
    font-size: 2rem !important;
    margin-bottom: 15px;
  }

  .page-ty-le-keo-truc-tuyen__description {
    font-size: 0.95rem;
    margin-bottom: 20px;
  }

  .page-ty-le-keo-truc-tuyen__cta-buttons {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
    width: 100%;
    box-sizing: border-box;
  }

  .page-ty-le-keo-truc-tuyen__btn {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 15px !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 2. 单栏长文容器 */
  .page-ty-le-keo-truc-tuyen__article-wrap,
  .page-ty-le-keo-truc-tuyen__content-area,
  .page-ty-le-keo-truc-tuyen__info-card,
  .page-ty-le-keo-truc-tuyen__promo-box {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  .page-ty-le-keo-truc-tuyen__section-title {
    font-size: 1.6rem !important;
    padding-top: 15px;
  }

  .page-ty-le-keo-truc-tuyen__sub-title {
    font-size: 1.3rem !important;
  }

  .page-ty-le-keo-truc-tuyen__content-area p,
  .page-ty-le-keo-truc-tuyen__list li,
  .page-ty-le-keo-truc-tuyen__info-card p,
  .page-ty-le-keo-truc-tuyen__promo-box p {
    font-size: 0.95rem;
  }

  /* 3. 通用图片与 figure */
  .page-ty-le-keo-truc-tuyen img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }

  .page-ty-le-keo-truc-tuyen__figure {
    margin: 15px 0;
  }

  .page-ty-le-keo-truc-tuyen__figcaption {
    font-size: 0.85rem;
  }

  /* 4. 按钮与按钮容器 */
  .page-ty-le-keo-truc-tuyen__bottom-cta {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  /* 5. FAQ 区块 */
  .page-ty-le-keo-truc-tuyen__faq-item {
    margin-bottom: 10px;
  }

  .page-ty-le-keo-truc-tuyen__faq-question {
    font-size: 1rem !important;
    padding: 12px 15px;
  }

  .page-ty-le-keo-truc-tuyen__faq-answer p {
    padding-bottom: 12px;
    font-size: 0.9rem;
  }
}