.page-blog {
  color: #ffffff; /* Body nền tối, chữ sáng */
  font-family: 'Arial', sans-serif;
}

.page-blog__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  padding-top: 10px; /* Đã có padding-top từ body, nên chỉ cần ít */
  text-align: center;
  overflow: hidden;
}

.page-blog__hero-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.page-blog__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.4); /* Làm tối ảnh nền để chữ nổi bật */
}

.page-blog__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

.page-blog__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  color: #ffffff;
  margin-bottom: 20px;
  line-height: 1.2;
  font-weight: bold;
}

.page-blog__hero-description {
  font-size: 1.1rem;
  color: #f0f0f0;
  margin-bottom: 30px;
  line-height: 1.6;
}

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

.page-blog__section {
  padding: 60px 20px;
  text-align: center;
}

.page-blog__dark-section {
  background-color: #0a0a0a; /* Nền tối */
  color: #ffffff;
}

.page-blog__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  box-sizing: border-box;
}

.page-blog__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: #26A9E0;
  margin-bottom: 40px;
  font-weight: bold;
}

.page-blog__sub-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: #ffffff;
  margin-top: 30px;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-blog__text-block {
  font-size: 1rem;
  line-height: 1.7;
  color: #e0e0e0;
  margin-bottom: 20px;
  text-align: left;
}

.page-blog__image-content {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 40px auto;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-blog__btn-primary,
.page-blog__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-blog__btn-primary {
  background-color: #26A9E0;
  color: #ffffff;
  border: 2px solid #26A9E0;
}

.page-blog__btn-primary:hover {
  background-color: #1f8ac7;
  border-color: #1f8ac7;
}

.page-blog__btn-secondary {
  background-color: transparent;
  color: #26A9E0;
  border: 2px solid #26A9E0;
}

.page-blog__btn-secondary:hover {
  background-color: #26A9E0;
  color: #ffffff;
}

/* FAQ Section */
.page-blog__faq-list {
  margin-top: 40px;
  text-align: left;
}

.page-blog__faq-item {
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.1rem;
  font-weight: bold;
  color: #ffffff;
  cursor: pointer;
  background-color: rgba(255, 255, 255, 0.05);
  transition: background-color 0.3s ease;
}

.page-blog__faq-question:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

.page-blog__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  color: #26A9E0;
  margin-left: 15px;
}

.page-blog__faq-item[open] .page-blog__faq-toggle {
  color: #ffffff;
}

.page-blog__faq-answer {
  padding: 0 20px 20px;
  font-size: 1rem;
  line-height: 1.6;
  color: #e0e0e0;
  text-align: left;
}

.page-blog__faq-item summary::-webkit-details-marker {
  display: none;
}
.page-blog__faq-item summary {
  list-style: none;
}

/* Responsive styles */
@media (max-width: 768px) {
  .page-blog__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important;
  }

  .page-blog__main-title {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }

  .page-blog__hero-description {
    font-size: 1rem;
  }

  .page-blog__hero-cta-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .page-blog__btn-primary,
  .page-blog__btn-secondary {
    width: 100% !important;
    padding: 10px 15px;
    max-width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  
  .page-blog__section {
    padding: 40px 15px;
  }

  .page-blog__section-title {
    font-size: clamp(1.8rem, 6vw, 2.2rem);
  }

  .page-blog__sub-title {
    font-size: clamp(1.3rem, 5vw, 1.8rem);
  }

  .page-blog__text-block {
    font-size: 0.95rem;
  }

  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }

  .page-blog__container,
  .page-blog__overview-section,
  .page-blog__guides-section,
  .page-blog__games-strategies-section,
  .page-blog__promotions-section,
  .page-blog__security-support-section,
  .page-blog__faq-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
  
  .page-blog__video-section {
    padding-top: 10px !important; /* body đã xử lý header-offset */
  }

  .page-blog__faq-question {
    font-size: 1rem;
    padding: 15px;
  }

  .page-blog__faq-answer {
    padding: 0 15px 15px;
  }
}