.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88 {
  font-family: 'Arial', sans-serif;
  color: #333333; /* Default dark text for light body background */
  line-height: 1.6;
  background-color: #f5f5f5; /* A light background for the main content area */
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__hero-section {
  position: relative;
  width: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px; /* Small top padding */
  background-color: #B71C1C; /* Background color */
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__hero-image-wrapper {
  width: 100%;
  max-height: 675px;
  overflow: hidden;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 40px 20px;
  max-width: 900px;
  width: 100%;
  color: #FFF5E1; /* Text Main color for this dark background section */
  background-color: #C91F17; /* Main color as background */
  box-sizing: border-box;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__main-title {
  font-size: clamp(2rem, 4vw, 3.2rem); /* H1 font size clamp */
  font-weight: 700;
  color: #FFCC66; /* Glow color for main title */
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__hero-description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: #FFF5E1;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__btn-primary,
.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__btn-secondary {
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__btn-primary {
  background: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%);
  color: #7A0E0E; /* Deep Red for text on gold button for contrast */
  border: 2px solid #F2B544; /* Border color */
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__btn-primary:hover {
  background: linear-gradient(180deg, #E6B800 0%, #FFD86A 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__btn-secondary {
  background: #C91F17;
  color: #FFF5E1; /* Text Main */
  border: 2px solid #F2B544;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__btn-secondary:hover {
  background: #E53935;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__section {
  padding: 60px 0;
  background-color: #f5f5f5;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__article-wrap {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__section-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: #C91F17;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: #F4D34D;
  border-radius: 2px;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__sub-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: #E53935;
  margin-top: 40px;
  margin-bottom: 25px;
  border-left: 5px solid #F4D34D;
  padding-left: 15px;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88 p {
  margin-bottom: 20px;
  font-size: 1rem;
  color: #333333;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__figure {
  margin: 30px 0;
  text-align: center;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  min-width: 200px; /* Enforce minimum size */
  min-height: 200px; /* Enforce minimum size */
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__figcaption {
  font-style: italic;
  font-size: 0.9rem;
  color: #555555;
  margin-top: 10px;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__text-link {
  color: #C91F17;
  text-decoration: underline;
  font-weight: 600;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__text-link:hover {
  color: #E53935;
  text-decoration: none;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__promo-steps {
  list-style: none;
  padding-left: 0;
  margin-bottom: 30px;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__promo-steps li {
  background-color: #ffffff;
  margin-bottom: 15px;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  border-left: 5px solid #C91F17;
  font-size: 1.1rem;
  color: #333333;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__promo-steps li strong {
  color: #C91F17;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__btn-full-width {
  width: 100%;
  display: block;
  text-align: center;
  margin-top: 30px;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__faq-list {
  margin-top: 40px;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__faq-question {
  font-size: 1.3rem;
  font-weight: 600;
  color: #C91F17;
  background-color: #fff;
  padding: 18px 25px;
  border-radius: 8px;
  margin-bottom: 15px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: background-color 0.3s ease;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__faq-question:hover {
  background-color: #fcebeb;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__faq-answer {
  background-color: #fefefe;
  padding: 15px 25px;
  border-radius: 8px;
  margin-top: -10px;
  margin-bottom: 25px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  color: #333333;
}

.page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__final-cta {
  text-align: center;
  margin-top: 50px;
  margin-bottom: 30px;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__main-title {
    font-size: clamp(1.8rem, 5vw, 2.8rem);
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__hero-content {
    padding: 30px 15px;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__section {
    padding: 40px 0;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__article-wrap {
    padding: 0 15px;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__section-title {
    font-size: 2rem;
    margin-bottom: 30px;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__sub-title {
    font-size: 1.6rem;
    margin-top: 30px;
    margin-bottom: 20px;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88 p {
    font-size: 0.95rem;
  }
}

@media (max-width: 768px) {
  /* 1. Top section title + dual CTA */
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__hero-section {
    padding-top: 10px !important;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__hero-content {
    padding: 25px 15px;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__main-title {
    font-size: clamp(1.5rem, 6vw, 2.5rem) !important;
    margin-bottom: 15px;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__hero-description {
    font-size: 1rem;
    margin-bottom: 25px;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__cta-buttons {
    flex-direction: column;
    gap: 10px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__btn-primary,
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    font-size: 0.95rem;
    padding: 12px 20px;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 2. Single column long text container */
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__section {
    padding: 30px 0 !important;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__article-wrap {
    padding: 0 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__section-title {
    font-size: 1.8rem !important;
    margin-bottom: 25px !important;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__sub-title {
    font-size: 1.4rem !important;
    margin-top: 30px !important;
    margin-bottom: 15px !important;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88 p,
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__promo-steps li,
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__faq-answer {
    font-size: 1rem !important;
  }

  /* 3. General images and figure */
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88 img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__figure {
    margin: 20px 0 !important;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__figcaption {
    font-size: 0.85rem !important;
  }

  /* 4. Buttons and button containers */
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__cta-buttons,
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__final-cta {
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box;
    width: 100% !important;
    max-width: 100% !important;
    flex-wrap: wrap !important; /* Ensure buttons wrap if multiple */
    gap: 10px;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__btn-full-width {
    margin-top: 20px !important;
    padding: 12px 20px !important;
    font-size: 1rem !important;
  }

  /* 5. Registration tutorial and FAQ blocks */
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__promo-steps li {
    padding: 15px !important;
    font-size: 1rem !important;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__faq-question {
    font-size: 1.1rem !important;
    padding: 15px 20px !important;
    margin-bottom: 10px !important;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__faq-answer {
    padding: 10px 20px !important;
    margin-bottom: 20px !important;
  }
  .page-blog-khuyen-mai-doc-quyen-cho-thanh-vien-open88__final-cta {
    margin-top: 40px !important;
  }
}