:root {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --card-bg: #11271B;
  --page-bg: #08160F;
  --text-main: #F2FFF6;
  --text-secondary: #A7D9B8;
  --border-color: #2E7A4E;
  --glow-color: #57E38D;
  --gold-color: #F2C14E;
  --divider-color: #1E3A2A;
  --deep-green: #0A4B2C;
}

.page-blog-how-to-register-wi55-chinh-thuc {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-main); /* Ensure text is visible on dark background */
  background-color: var(--page-bg);
}

.page-blog-how-to-register-wi55-chinh-thuc__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px; /* Small top padding */
  background-color: var(--page-bg);
  overflow: hidden;
}

.page-blog-how-to-register-wi55-chinh-thuc__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 500px; /* Limit hero image height for better content visibility */
}

.page-blog-how-to-register-wi55-chinh-thuc__hero-content {
  width: 100%;
  max-width: 1200px;
  padding: 40px 20px;
  text-align: center;
  box-sizing: border-box;
}

.page-blog-how-to-register-wi55-chinh-thuc__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--gold-color);
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 0 10px rgba(87, 227, 141, 0.5);
}

.page-blog-how-to-register-wi55-chinh-thuc__intro-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-blog-how-to-register-wi55-chinh-thuc__cta-button {
  display: inline-block;
  padding: 15px 30px;
  background: var(--button-gradient);
  color: var(--text-main);
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(34, 199, 104, 0.4);
}

.page-blog-how-to-register-wi55-chinh-thuc__cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(34, 199, 104, 0.6);
}

.page-blog-how-to-register-wi55-chinh-thuc__cta-button--small {
  padding: 10px 20px;
  font-size: 0.9rem;
}

.page-blog-how-to-register-wi55-chinh-thuc__section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
  box-sizing: border-box;
}

.page-blog-how-to-register-wi55-chinh-thuc__section-title {
  font-size: 2.2rem;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 10px;
}

.page-blog-how-to-register-wi55-chinh-thuc__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--gold-color);
  border-radius: 2px;
}

.page-blog-how-to-register-wi55-chinh-thuc__sub-title {
  font-size: 1.8rem;
  color: var(--secondary-color);
  margin-top: 40px;
  margin-bottom: 20px;
}

.page-blog-how-to-register-wi55-chinh-thuc__text-block {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 15px;
}

.page-blog-how-to-register-wi55-chinh-thuc__list {
  list-style: disc;
  margin-left: 20px;
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.page-blog-how-to-register-wi55-chinh-thuc__list li {
  margin-bottom: 8px;
  font-size: 1rem;
}

.page-blog-how-to-register-wi55-chinh-thuc__list li strong {
  color: var(--text-main);
}

.page-blog-how-to-register-wi55-chinh-thuc__image-wrapper {
  margin: 30px auto;
  text-align: center;
  width: 100%;
  box-sizing: border-box;
}

.page-blog-how-to-register-wi55-chinh-thuc__content-image {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  margin: 0 auto;
}

.page-blog-how-to-register-wi55-chinh-thuc__faq-list {
  margin-top: 40px;
  border-top: 1px solid var(--divider-color);
}

.page-blog-how-to-register-wi55-chinh-thuc__faq-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--text-main);
}

.page-blog-how-to-register-wi55-chinh-thuc__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15rem;
  font-weight: bold;
  cursor: pointer;
  background-color: var(--deep-green);
  color: var(--text-main);
  transition: background-color 0.3s ease;
  list-style: none; /* For details/summary */
}

.page-blog-how-to-register-wi55-chinh-thuc__faq-question::-webkit-details-marker {
  display: none; /* Hide default marker for details */
}

.page-blog-how-to-register-wi55-chinh-thuc__faq-item[open] .page-blog-how-to-register-wi55-chinh-thuc__faq-question {
  background-color: var(--primary-color);
}

.page-blog-how-to-register-wi55-chinh-thuc__faq-qtext {
  flex-grow: 1;
}

.page-blog-how-to-register-wi55-chinh-thuc__faq-toggle {
  font-size: 1.5rem;
  margin-left: 15px;
  line-height: 1;
}

.page-blog-how-to-register-wi55-chinh-thuc__faq-answer {
  padding: 0 25px 18px;
  font-size: 1rem;
  color: var(--text-secondary);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.page-blog-how-to-register-wi55-chinh-thuc__faq-item[open] .page-blog-how-to-register-wi55-chinh-thuc__faq-answer {
  max-height: 500px; /* Sufficient height for most answers */
  padding-top: 10px;
}

/* Responsive Styles */
@media (max-width: 768px) {
  .page-blog-how-to-register-wi55-chinh-thuc {
    font-size: 15px;
  }

  .page-blog-how-to-register-wi55-chinh-thuc__hero-content {
    padding: 30px 15px;
  }

  .page-blog-how-to-register-wi55-chinh-thuc__main-title {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }

  .page-blog-how-to-register-wi55-chinh-thuc__intro-text {
    font-size: 1rem;
  }

  .page-blog-how-to-register-wi55-chinh-thuc__cta-button {
    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;
  }

  .page-blog-how-to-register-wi55-chinh-thuc__section {
    padding: 40px 15px;
  }

  .page-blog-how-to-register-wi55-chinh-thuc__section-title {
    font-size: 1.8rem;
    margin-bottom: 30px;
  }

  .page-blog-how-to-register-wi55-chinh-thuc__sub-title {
    font-size: 1.5rem;
    margin-top: 30px;
  }

  .page-blog-how-to-register-wi55-chinh-thuc__text-block,
  .page-blog-how-to-register-wi55-chinh-thuc__list li {
    font-size: 0.95rem;
  }

  .page-blog-how-to-register-wi55-chinh-thuc img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-blog-how-to-register-wi55-chinh-thuc__image-wrapper,
  .page-blog-how-to-register-wi55-chinh-thuc__hero-section,
  .page-blog-how-to-register-wi55-chinh-thuc__hero-content,
  .page-blog-how-to-register-wi55-chinh-thuc__section,
  .page-blog-how-to-register-wi55-chinh-thuc__faq-list,
  .page-blog-how-to-register-wi55-chinh-thuc__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-blog-how-to-register-wi55-chinh-thuc__hero-section {
    padding-top: 10px !important;
  }

  .page-blog-how-to-register-wi55-chinh-thuc__faq-question {
    padding: 15px 20px;
    font-size: 1rem;
  }

  .page-blog-how-to-register-wi55-chinh-thuc__faq-answer {
    padding: 0 20px 15px;
  }
}