.page-blog-huong-dan-dang-ky-twin {
  background-color: var(--background-color, #140C0C); /* Fallback if shared.css doesn't define */
  color: var(--text-main-color, #FFF1E8); /* Default text color for the page */
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  padding-bottom: 40px; /* Add some padding at the bottom */
}

.page-blog-huong-dan-dang-ky-twin__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

/* Hero Section */
.page-blog-huong-dan-dang-ky-twin__hero-section {
  padding-top: 10px; /* Small top padding as per rule, body handles header offset */
  padding-bottom: 60px;
  text-align: center;
  background-color: #140C0C; /* Explicit dark background */
  color: #FFF1E8; /* Light text for dark background */
}

.page-blog-huong-dan-dang-ky-twin__main-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem); /* H1 size clamp */
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #F3C54D; /* Gold color for main title */
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-blog-huong-dan-dang-ky-twin__description {
  font-size: 1.1rem;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: #FFF1E8;
}

.page-blog-huong-dan-dang-ky-twin__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-blog-huong-dan-dang-ky-twin__btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 300px; /* Default max-width for buttons */
  width: 100%; /* Ensure width is 100% within its max-width */
  text-align: center;
  white-space: normal;
  word-wrap: break-word;
}

.page-blog-huong-dan-dang-ky-twin__btn--primary {
  background: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
  color: #FFF1E8;
  border: none;
  box-shadow: 0 4px 15px rgba(255, 176, 74, 0.4);
}

.page-blog-huong-dan-dang-ky-twin__btn--primary:hover {
  background: linear-gradient(180deg, #FFC77A 0%, #E57A24 100%);
  transform: translateY(-2px);
}

.page-blog-huong-dan-dang-ky-twin__btn--secondary {
  background: #2A1212;
  color: #F3C54D;
  border: 2px solid #F3C54D;
  box-shadow: 0 4px 10px rgba(243, 197, 77, 0.2);
}

.page-blog-huong-dan-dang-ky-twin__btn--secondary:hover {
  background: #3A1A1A;
  color: #FFF1E8;
  border-color: #FFF1E8;
  transform: translateY(-2px);
}

.page-blog-huong-dan-dang-ky-twin__btn--large {
  padding: 18px 35px;
  font-size: 1.2rem;
  max-width: 350px;
}

/* Article Content */
.page-blog-huong-dan-dang-ky-twin__article-wrap {
  max-width: 900px; /* Adjusted for better readability of long text */
  margin: 40px auto;
  padding: 0 20px;
  box-sizing: border-box;
  background-color: #2A1212; /* Card BG for article wrap */
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  padding: 40px;
  color: #FFF1E8;
}

.page-blog-huong-dan-dang-ky-twin__section-title {
  font-size: 2rem;
  font-weight: 700;
  color: #F3C54D;
  margin-top: 40px;
  margin-bottom: 25px;
  text-align: left;
}

.page-blog-huong-dan-dang-ky-twin__article-content p {
  margin-bottom: 20px;
  font-size: 1.05rem;
  line-height: 1.7;
  color: #FFF1E8;
}

.page-blog-huong-dan-dang-ky-twin__article-content a {
  color: #FFB04A; /* Gold for links */
  text-decoration: underline;
}

.page-blog-huong-dan-dang-ky-twin__article-content a:hover {
  color: #FFC77A;
}

.page-blog-huong-dan-dang-ky-twin__figure {
  margin: 30px 0;
  text-align: center;
  background-color: #1a0d0d; /* Slightly lighter dark for image background */
  border-radius: 8px;
  padding: 15px;
}

.page-blog-huong-dan-dang-ky-twin__figure img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
  margin: 0 auto;
}

.page-blog-huong-dan-dang-ky-twin__figcaption {
  font-size: 0.95rem;
  color: #bbb;
  margin-top: 15px;
}

.page-blog-huong-dan-dang-ky-twin__list {
  list-style: disc;
  margin-left: 25px;
  margin-bottom: 20px;
  color: #FFF1E8;
}

.page-blog-huong-dan-dang-ky-twin__list li {
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.page-blog-huong-dan-dang-ky-twin__list li strong {
  color: #F3C54D;
}

.page-blog-huong-dan-dang-ky-twin__step-title {
  font-size: 1.6rem;
  font-weight: 600;
  color: #FFB04A;
  margin-top: 35px;
  margin-bottom: 20px;
  text-align: left;
}

.page-blog-huong-dan-dang-ky-twin__warning-list li {
  color: #FFC77A; /* Highlight warnings */
}

/* FAQ Section */
.page-blog-huong-dan-dang-ky-twin__faq-section {
  margin-top: 40px;
}

.page-blog-huong-dan-dang-ky-twin__faq-item {
  background-color: #1a0d0d; /* Darker background for FAQ items */
  border: 1px solid #6A1E1E;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: #FFF1E8;
}

.page-blog-huong-dan-dang-ky-twin__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15rem;
  font-weight: 600;
  cursor: pointer;
  color: #F3C54D;
  background-color: #2A1212;
  list-style: none; /* For details/summary */
}

.page-blog-huong-dan-dang-ky-twin__faq-question::-webkit-details-marker {
  display: none;
}
.page-blog-huong-dan-dang-ky-twin__faq-question::marker {
  display: none;
}

.page-blog-huong-dan-dang-ky-twin__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  transition: transform 0.3s ease;
  color: #FFB04A;
}

.page-blog-huong-dan-dang-ky-twin__faq-item[open] .page-blog-huong-dan-dang-ky-twin__faq-toggle {
  transform: rotate(45deg);
}

.page-blog-huong-dan-dang-ky-twin__faq-answer {
  padding: 0 25px 20px;
  font-size: 1.05rem;
  line-height: 1.6;
  color: #FFF1E8;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
  max-height: 0;
  overflow: hidden;
}

.page-blog-huong-dan-dang-ky-twin__faq-item[open] .page-blog-huong-dan-dang-ky-twin__faq-answer {
  max-height: 500px; /* Sufficient height for content */
  padding-top: 15px;
}


/* Promo Box */
.page-blog-huong-dan-dang-ky-twin__promo-box {
  background: linear-gradient(135deg, #C61F1F, #7E0D0D); /* Deep Red gradient */
  border-radius: 12px;
  padding: 40px;
  margin-top: 50px;
  text-align: center;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  color: #FFF1E8;
}

.page-blog-huong-dan-dang-ky-twin__promo-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: #F3C54D;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-blog-huong-dan-dang-ky-twin__promo-box p {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: #FFF1E8;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-blog-huong-dan-dang-ky-twin__main-title {
    font-size: clamp(2rem, 5vw, 2.8rem);
  }
  .page-blog-huong-dan-dang-ky-twin__section-title {
    font-size: 1.8rem;
  }
  .page-blog-huong-dan-dang-ky-twin__step-title {
    font-size: 1.4rem;
  }
  .page-blog-huong-dan-dang-ky-twin__promo-title {
    font-size: 2rem;
  }
  .page-blog-huong-dan-dang-ky-twin__article-wrap {
    padding: 30px;
  }
}


@media (max-width: 768px) {
  /* 1. Top section title + dual CTA */
  .page-blog-huong-dan-dang-ky-twin__hero-section {
    padding-top: 10px !important; /* Enforce small top padding */
    padding-bottom: 40px;
  }
  .page-blog-huong-dan-dang-ky-twin__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
    margin-bottom: 15px;
    padding: 0 10px;
  }
  .page-blog-huong-dan-dang-ky-twin__description {
    font-size: 1rem;
    margin-bottom: 30px;
    padding: 0 15px;
  }
  .page-blog-huong-dan-dang-ky-twin__cta-buttons {
    flex-direction: column; /* Stack buttons vertically */
    gap: 15px;
    padding: 0 15px; /* Add padding to container */
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .page-blog-huong-dan-dang-ky-twin__btn {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 20px !important;
    font-size: 1rem !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  .page-blog-huong-dan-dang-ky-twin__btn--large {
    padding: 15px 25px !important;
    font-size: 1.1rem !important;
  }

  /* 2. Single column long text container */
  .page-blog-huong-dan-dang-ky-twin__article-wrap {
    margin: 30px auto;
    padding: 20px 15px; /* Adjust padding for mobile */
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-blog-huong-dan-dang-ky-twin__section-title {
    font-size: 1.6rem;
    margin-top: 30px;
    margin-bottom: 20px;
    padding: 0 5px;
  }
}