.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888 {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #FFF5E1; /* Text Main color, good contrast with #B71C1C body bg */
  background-color: #B71C1C; /* Body background color */
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Hero Section */
.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, relying on body for header offset */
  background-color: #B71C1C;
  color: #FFF5E1;
  text-align: center;
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__hero-image {
  width: 100%;
  max-height: 500px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 20px;
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__hero-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover; /* Desktop: cover */
  border-radius: 8px;
  max-width: 1200px; /* Max width for image within container */
  height: 675px; /* Display height for 1200x675 */
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__hero-content {
  padding: 0 20px 40px;
  max-width: 900px;
  margin: 0 auto;
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem); /* Clamp for H1 */
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #F4D34D; /* Gold color for main title */
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__intro-text {
  font-size: 1.2rem;
  margin-bottom: 30px;
  color: #FFF5E1;
}

/* CTA Button */
.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__cta-button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  max-width: 100%; /* For responsiveness */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__btn-primary {
  background: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%); /* Custom button color */
  color: #7A0E0E; /* Deep Red for text, good contrast with gold */
  border: none;
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__btn-secondary {
  background-color: #7A0E0E; /* Deep Red */
  color: #FFF5E1; /* Text Main */
  border: 2px solid #F4D34D; /* Gold border */
  margin-left: 20px;
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__btn-secondary:hover {
  background-color: #E53935; /* Auxiliary color */
  border-color: #FFCC66; /* Glow color */
}

/* Content Area */
.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__content-area {
  padding: 40px 0;
  background-color: #B71C1C; /* Main background */
  color: #FFF5E1; /* Text Main */
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__dark-bg {
  background-color: #B71C1C;
  color: #FFF5E1;
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__light-bg {
  background-color: #D32F2F; /* Card BG */
  color: #FFF5E1;
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__section-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: #F4D34D; /* Gold color */
  margin-bottom: 30px;
  text-align: center;
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__content-area p {
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: #FFF5E1;
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__content-area a {
  color: #FFCC66; /* Glow color for links */
  text-decoration: underline;
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__content-area a:hover {
  color: #F4D34D; /* Gold color on hover */
}

/* Promo Grid */
.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__promo-card {
  background-color: #D32F2F; /* Card BG */
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  color: #FFF5E1;
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__promo-card img {
  width: 100%;
  height: 250px; /* Fixed height for consistency */
  object-fit: cover;
  display: block;
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__card-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: #F4D34D; /* Gold color */
  padding: 20px 20px 10px;
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__promo-card p {
  padding: 0 20px 20px;
  flex-grow: 1;
  font-size: 1rem;
  color: #FFF5E1;
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__promo-card .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__btn-secondary {
  margin: 0 20px 20px;
  align-self: flex-start;
}

/* Guide List */
.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__guide-list,
.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__terms-list {
  list-style-type: decimal;
  padding-left: 40px;
  margin-bottom: 30px;
  color: #FFF5E1;
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__guide-list li,
.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__terms-list li {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__guide-list strong {
  color: #F4D34D; /* Gold color for strong text */
}

/* CTA Section at bottom */
.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__cta-section {
  background-color: #7A0E0E; /* Deep Red */
  padding: 40px 20px;
  text-align: center;
  border-radius: 10px;
  margin-top: 50px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
}

.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__cta-title {
  font-size: 2rem;
  color: #FFCC66; /* Glow color */
  margin-bottom: 20px;
}

/* FAQ Section */
.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__faq-list {
  margin-top: 40px;
}

details.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #F2B544; /* Border color */
  overflow: hidden;
  background: #D32F2F; /* Card BG */
}
details.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__faq-item summary.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
  color: #FFF5E1;
}
details.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__faq-item summary.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__faq-question::-webkit-details-marker {
  display: none;
}
details.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__faq-item summary.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__faq-question:hover {
  background: #E53935; /* Auxiliary color */
}
.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__faq-qtext {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #F4D34D; /* Gold color */
}
.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #FFCC66; /* Glow color */
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__faq-item .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__faq-answer {
  padding: 0 20px 20px;
  background: #7A0E0E; /* Deep Red */
  border-radius: 0 0 5px 5px;
  color: #FFF5E1;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__container {
    padding: 20px 30px;
  }
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__main-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__section-title {
    font-size: 2rem;
  }
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__promo-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
  }
}

@media (max-width: 849px) {
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__hero-image img {
    object-fit: contain !important; /* Prevent cropping on smaller screens */
    aspect-ratio: unset !important; /* Allow aspect ratio to adjust */
    height: auto !important; /* Auto height to prevent stretching */
  }
}

@media (max-width: 768px) {
  /* General mobile container padding */
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__container,
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__section,
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__card,
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__hero-content,
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__cta-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* HERO Section - Mobile */
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__hero-section {
    padding-top: 10px; /* Small top padding for mobile */
  }
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__hero-image img {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    object-fit: contain !important; /* Ensure image is fully visible */
    border-radius: 0;
  }
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__main-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
    margin-bottom: 15px;
  }
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__intro-text {
    font-size: 1rem;
    margin-bottom: 20px;
  }

  /* Buttons - Mobile */
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__cta-button,
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__btn-primary,
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__btn-secondary,
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888 a[class*="button"],
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888 a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    margin-left: 0 !important; /* Override desktop margin */
    margin-right: 0 !important;
    margin-bottom: 15px; /* Add space between stacked buttons */
    padding: 12px 20px;
    font-size: 1rem;
  }

  /* Button groups for mobile */
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__cta-section {
    display: flex;
    flex-direction: column; /* Stack buttons vertically */
    gap: 15px; /* Space between stacked buttons */
  }
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__cta-section .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__cta-button:last-child {
    margin-bottom: 0;
  }

  /* Content Area - Mobile */
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__content-area {
    padding: 20px 0;
  }
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__section-title {
    font-size: 1.8rem;
    margin-bottom: 20px;
  }
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__content-area p,
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__guide-list li,
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__terms-list li {
    font-size: 1rem;
  }

  /* Promo Grid - Mobile */
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__promo-grid {
    grid-template-columns: 1fr; /* Single column on mobile */
    gap: 20px;
    overflow-x: hidden; /* Prevent horizontal scroll */
  }
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__promo-card {
    margin: 0 auto;
    max-width: 400px; /* Constrain card width for better readability on small screens */
  }
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__promo-card img {
    height: 200px; /* Adjust image height for mobile cards */
  }
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__card-title {
    font-size: 1.3rem;
    padding: 15px 15px 10px;
  }
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__promo-card p {
    padding: 0 15px 15px;
  }
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__promo-card .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__btn-secondary {
    margin: 0 15px 15px;
  }

  /* Guide and Terms Lists - Mobile */
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__guide-list,
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__terms-list {
    padding-left: 25px;
  }

  /* CTA Section - Mobile */
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__cta-title {
    font-size: 1.5rem;
  }

  /* FAQ Section - Mobile */
  details.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__faq-item summary.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__faq-question {
    padding: 15px;
  }
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__faq-qtext {
    font-size: 1rem;
  }
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__faq-toggle {
    font-size: 20px;
    width: 24px;
    margin-left: 10px;
  }
  details.page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__faq-item .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888__faq-answer {
    padding: 0 15px 15px;
  }

  /* Universal image responsive styles for content area */
  .page-blog-cac-loai-khuyen-mai-hap-dan-nhat-tai-open888 img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
}