.page-cong-cu-so-sanh-ty-le {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #1F2D3D; /* Text Main */
  background-color: #F4F7FB; /* Background */
}

.page-cong-cu-so-sanh-ty-le__hero-section {
  padding-top: 10px;
  padding-bottom: 60px;
  text-align: center;
  background: linear-gradient(180deg, #2F6BFF 0%, #6FA3FF 100%);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.page-cong-cu-so-sanh-ty-le__hero-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

.page-cong-cu-so-sanh-ty-le__main-title {
  font-size: clamp(2em, 3.5vw, 3em);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: #ffffff;
}

.page-cong-cu-so-sanh-ty-le__hero-description {
  font-size: 1.15em;
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  color: #f0f8ff;
}

.page-cong-cu-so-sanh-ty-le__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.page-cong-cu-so-sanh-ty-le__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-cong-cu-so-sanh-ty-le__btn-primary {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #ffffff;
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(47, 107, 255, 0.4);
}

.page-cong-cu-so-sanh-ty-le__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(47, 107, 255, 0.6);
}

.page-cong-cu-so-sanh-ty-le__btn-secondary {
  background: #ffffff;
  color: #2F6BFF;
  border: 2px solid #2F6BFF;
}

.page-cong-cu-so-sanh-ty-le__btn-secondary:hover {
  background: #f0f7ff;
  transform: translateY(-2px);
}

.page-cong-cu-so-sanh-ty-le__section {
  padding: 60px 0;
}

.page-cong-cu-so-sanh-ty-le__dark-section {
  background: linear-gradient(180deg, #2F6BFF 0%, #6FA3FF 100%);
  color: #ffffff;
}

.page-cong-cu-so-sanh-ty-le__light-bg {
  background-color: #F4F7FB;
  color: #1F2D3D;
}

.page-cong-cu-so-sanh-ty-le__article-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-cong-cu-so-sanh-ty-le__section-title {
  font-size: 2.5em;
  font-weight: 700;
  margin-bottom: 30px;
  text-align: center;
  color: #1F2D3D; /* Text Main */
}

.page-cong-cu-so-sanh-ty-le__dark-section .page-cong-cu-so-sanh-ty-le__section-title {
  color: #ffffff;
}

.page-cong-cu-so-sanh-ty-le__sub-title {
  font-size: 1.8em;
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 20px;
  color: #2F6BFF;
}

.page-cong-cu-so-sanh-ty-le__dark-section .page-cong-cu-so-sanh-ty-le__sub-title {
  color: #A5C4FF;
}

.page-cong-cu-so-sanh-ty-le__text-block {
  font-size: 1.05em;
  margin-bottom: 25px;
  line-height: 1.7;
  color: #1F2D3D;
}

.page-cong-cu-so-sanh-ty-le__dark-section .page-cong-cu-so-sanh-ty-le__text-block {
  color: #e0e0e0;
}

.page-cong-cu-so-sanh-ty-le__figure {
  margin: 40px 0;
  text-align: center;
}

.page-cong-cu-so-sanh-ty-le__image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  display: block;
  margin: 0 auto;
}

.page-cong-cu-so-sanh-ty-le__figcaption {
  margin-top: 15px;
  font-size: 0.95em;
  color: #666;
}

.page-cong-cu-so-sanh-ty-le__dark-section .page-cong-cu-so-sanh-ty-le__figcaption {
  color: #c0c0c0;
}

.page-cong-cu-so-sanh-ty-le__promo-box {
  padding: 80px 0;
  text-align: center;
}

.page-cong-cu-so-sanh-ty-le__promo-box .page-cong-cu-so-sanh-ty-le__section-title {
  font-size: 2.8em;
  margin-bottom: 25px;
}

.page-cong-cu-so-sanh-ty-le__promo-box .page-cong-cu-so-sanh-ty-le__text-block {
  font-size: 1.2em;
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 40px;
}

.page-cong-cu-so-sanh-ty-le__final-cta {
  padding: 80px 0;
  text-align: center;
}

.page-cong-cu-so-sanh-ty-le__final-cta .page-cong-cu-so-sanh-ty-le__section-title {
  font-size: 2.8em;
  margin-bottom: 25px;
}

.page-cong-cu-so-sanh-ty-le__final-cta .page-cong-cu-so-sanh-ty-le__text-block {
  font-size: 1.2em;
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 40px;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-cong-cu-so-sanh-ty-le__main-title {
    font-size: 2.5em;
  }

  .page-cong-cu-so-sanh-ty-le__hero-description {
    font-size: 1.1em;
  }

  .page-cong-cu-so-sanh-ty-le__section-title {
    font-size: 2.2em;
  }

  .page-cong-cu-so-sanh-ty-le__sub-title {
    font-size: 1.6em;
  }

  .page-cong-cu-so-sanh-ty-le__text-block {
    font-size: 1em;
  }

  .page-cong-cu-so-sanh-ty-le__promo-box .page-cong-cu-so-sanh-ty-le__section-title,
  .page-cong-cu-so-sanh-ty-le__final-cta .page-cong-cu-so-sanh-ty-le__section-title {
    font-size: 2.4em;
  }

  .page-cong-cu-so-sanh-ty-le__promo-box .page-cong-cu-so-sanh-ty-le__text-block,
  .page-cong-cu-so-sanh-ty-le__final-cta .page-cong-cu-so-sanh-ty-le__text-block {
    font-size: 1.1em;
  }
}

@media (max-width: 768px) {
  /* 1. Top section title + CTA */
  .page-cong-cu-so-sanh-ty-le__hero-section {
    padding-top: 10px !important; /* Fixed header spacing */
    padding-bottom: 40px;
  }
  .page-cong-cu-so-sanh-ty-le__hero-content {
    padding: 0 15px;
  }
  .page-cong-cu-so-sanh-ty-le__main-title {
    font-size: 1.8em;
    margin-bottom: 15px;
  }
  .page-cong-cu-so-sanh-ty-le__hero-description {
    font-size: 1em;
    margin-bottom: 25px;
  }
  .page-cong-cu-so-sanh-ty-le__cta-buttons {
    flex-direction: column;
    gap: 10px;
  }
  .page-cong-cu-so-sanh-ty-le__btn {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 15px;
    font-size: 1em;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  .page-cong-cu-so-sanh-ty-le__article-wrap {
    padding: 0 15px;
  }

  /* 2. Single column long-form container */
  .page-cong-cu-so-sanh-ty-le__section {
    padding: 40px 0;
  }
  .page-cong-cu-so-sanh-ty-le__section-title {
    font-size: 1.8em;
    margin-bottom: 20px;
  }
  .page-cong-cu-so-sanh-ty-le__sub-title {
    font-size: 1.4em;
    margin-top: 30px;
    margin-bottom: 15px;
  }
  .page-cong-cu-so-sanh-ty-le__text-block {
    font-size: 0.95em;
    margin-bottom: 20px;
  }
  .page-cong-cu-so-sanh-ty-le__promo-box .page-cong-cu-so-sanh-ty-le__section-title,
  .page-cong-cu-so-sanh-ty-le__final-cta .page-cong-cu-so-sanh-ty-le__section-title {
    font-size: 2em;
  }
  .page-cong-cu-so-sanh-ty-le__promo-box .page-cong-cu-so-sanh-ty-le__text-block,
  .page-cong-cu-so-sanh-ty-le__final-cta .page-cong-cu-so-sanh-ty-le__text-block {
    font-size: 1em;
  }

  /* 3. General images and figures */
  .page-cong-cu-so-sanh-ty-le img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-cong-cu-so-sanh-ty-le__figure {
    margin: 30px 0;
  }
  .page-cong-cu-so-sanh-ty-le__figcaption {
    font-size: 0.85em;
  }

  /* 4. Buttons and button containers */
  .page-cong-cu-so-sanh-ty-le__cta-buttons {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }
  .page-cong-cu-so-sanh-ty-le__btn-primary,
  .page-cong-cu-so-sanh-ty-le__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 5. Registration tutorial & FAQ (not explicitly in this content page, but included for completeness as per rules) */
  /* If there were h3/figure for a tutorial or FAQ sections, their mobile styles would go here */
  /* Example for generic content containers to prevent overflow */
  .page-cong-cu-so-sanh-ty-le__section,
  .page-cong-cu-so-sanh-ty-le__promo-box,
  .page-cong-cu-so-sanh-ty-le__final-cta {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}