.page-index-hi88-introduction {
  font-family: 'Arial', sans-serif;
  color: #E0E0E0; /* Light grey for general text on dark background */
  background-color: #0A192F; /* Primary dark blue background */
  line-height: 1.6;
}

.page-index-hi88-introduction__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-index-hi88-introduction__hero {
  background: linear-gradient(135deg, #0A192F 0%, #1A3A5E 100%); /* Gradient for hero section */
  padding: 100px 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.page-index-hi88-introduction__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin-bottom: 40px;
}

.page-index-hi88-introduction__hero-title {
  font-size: 3.5em;
  color: #FFD700; /* Gold for main title */
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  font-weight: bold;
}

.page-index-hi88-introduction__hero-subtitle {
  font-size: 1.25em;
  color: #E0E0E0;
  margin-bottom: 30px;
  line-height: 1.8;
}

.page-index-hi88-introduction__btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  margin: 10px;
  cursor: pointer;
}

.page-index-hi88-introduction__btn--primary {
  background-color: #FFD700; /* Gold button */
  color: #0A192F; /* Dark blue text on gold */
  border: 2px solid #FFD700;
}

.page-index-hi88-introduction__btn--primary:hover {
  background-color: #e6c200;
  border-color: #e6c200;
  transform: translateY(-3px);
}

.page-index-hi88-introduction__btn--secondary {
  background-color: transparent;
  color: #FFD700; /* Gold text for secondary button */
  border: 2px solid #FFD700;
}

.page-index-hi88-introduction__btn--secondary:hover {
  background-color: #FFD700;
  color: #0A192F;
  transform: translateY(-3px);
}

.page-index-hi88-introduction__hero-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.15;
  z-index: 1;
}

.page-index-hi88-introduction__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-index-hi88-introduction__section {
  padding: 60px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.page-index-hi88-introduction__section:last-of-type {
  border-bottom: none;
}

.page-index-hi88-introduction__section-title {
  font-size: 2.5em;
  color: #FFD700;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
}

.page-index-hi88-introduction__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: #FFD700;
  border-radius: 2px;
}

.page-index-hi88-introduction__about p,
.page-index-hi88-introduction__responsible-gambling p,
.page-index-hi88-introduction__conclusion p {
  font-size: 1.1em;
  margin-bottom: 20px;
  text-align: justify;
}

.page-index-hi88-introduction__feature-grid,
.page-index-hi88-introduction__promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-index-hi88-introduction__feature-item,
.page-index-hi88-introduction__promo-item {
  background-color: #1A3A5E; /* Darker blue for feature/promo cards */
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

.page-index-hi88-introduction__feature-item:hover,
.page-index-hi88-introduction__promo-item:hover {
  transform: translateY(-10px);
}

.page-index-hi88-introduction__feature-icon,
.page-index-hi88-introduction__promo-image {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 20px;
}

.page-index-hi88-introduction__feature-title,
.page-index-hi88-introduction__promo-title {
  font-size: 1.5em;
  color: #FFD700;
  margin-bottom: 15px;
}

.page-index-hi88-introduction__feature-item p,
.page-index-hi88-introduction__promo-item p {
  font-size: 1em;
  color: #E0E0E0;
}

.page-index-hi88-introduction__advantage-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  list-style: none;
  padding: 0;
}

.page-index-hi88-introduction__advantage-list li {
  background-color: #1A3A5E;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  text-align: center;
  transition: transform 0.3s ease;
}

.page-index-hi88-introduction__advantage-list li:hover {
  transform: translateY(-10px);
}

.page-index-hi88-introduction__advantage-icon-wrapper {
  background-color: #FFD700;
  border-radius: 50%;
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px auto;
}

.page-index-hi88-introduction__advantage-icon {
  width: 40px;
  height: 40px;
  filter: invert(1);
}

.page-index-hi88-introduction__advantage-title {
  font-size: 1.4em;
  color: #FFD700;
  margin-bottom: 10px;
}

.page-index-hi88-introduction__advantage-list p {
  font-size: 0.95em;
  color: #E0E0E0;
}

.page-index-hi88-introduction__cta-wrapper {
  text-align: center;
  margin-top: 50px;
}

.page-index-hi88-introduction__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-index-hi88-introduction__step-item {
  background-color: #1A3A5E;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-index-hi88-introduction__step-title {
  font-size: 1.4em;
  color: #FFD700;
  margin-bottom: 15px;
}

.page-index-hi88-introduction__step-item p {
  font-size: 1em;
  color: #E0E0E0;
  margin-bottom: 15px;
}

.page-index-hi88-introduction__step-item ol {
  list-style-type: decimal;
  padding-left: 20px;
  margin-bottom: 20px;
  color: #E0E0E0;
}

.page-index-hi88-introduction__step-item ol li {
  margin-bottom: 8px;
  font-size: 0.95em;
}

.page-index-hi88-introduction__strategy-list {
  list-style: none;
  padding: 0;
}

.page-index-hi88-introduction__strategy-list li {
  background-color: #1A3A5E;
  padding: 25px 30px;
  border-radius: 10px;
  margin-bottom: 20px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.page-index-hi88-introduction__strategy-title {
  font-size: 1.3em;
  color: #FFD700;
  margin-bottom: 10px;
}

.page-index-hi88-introduction__strategy-list p {
  font-size: 1em;
  color: #E0E0E0;
}

.page-index-hi88-introduction__responsible-gambling-image {
  display: block;
  margin: 30px auto 0 auto;
  width: 150px;
  height: 150px;
  object-fit: contain;
  filter: invert(1) opacity(0.8);
}

.page-index-hi88-introduction .highlight {
  color: #FFD700;
  font-weight: bold;
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-index-hi88-introduction__hero-title {
    font-size: 2.8em;
  }
  .page-index-hi88-introduction__hero-subtitle {
    font-size: 1.1em;
  }
  .page-index-hi88-introduction__section-title {
    font-size: 2em;
  }
}

@media (max-width: 768px) {
  .page-index-hi88-introduction__hero {
    padding: 80px 0;
  }
  .page-index-hi88-introduction__hero-title {
    font-size: 2.2em;
  }
  .page-index-hi88-introduction__hero-subtitle {
    font-size: 1em;
  }
  .page-index-hi88-introduction__btn {
    padding: 12px 25px;
    font-size: 1em;
  }
  .page-index-hi88-introduction__section {
    padding: 40px 0;
  }
  .page-index-hi88-introduction__section-title {
    font-size: 1.8em;
  }
  .page-index-hi88-introduction__feature-grid,
  .page-index-hi88-introduction__promo-grid,
  .page-index-hi88-introduction__advantage-list,
  .page-index-hi88-introduction__guide-steps {
    grid-template-columns: 1fr;
  }
  .page-index-hi88-introduction__hero-content {
    margin-bottom: 20px;
  }
}

@media (max-width: 480px) {
  .page-index-hi88-introduction__hero-title {
    font-size: 1.8em;
  }
  .page-index-hi88-introduction__hero-subtitle {
    font-size: 0.9em;
  }
  .page-index-hi88-introduction__btn {
    padding: 10px 20px;
    font-size: 0.9em;
    margin: 5px;
  }
  .page-index-hi88-introduction__section-title {
    font-size: 1.5em;
  }
  .page-index-hi88-introduction__feature-title,
  .page-index-hi88-introduction__promo-title {
    font-size: 1.3em;
  }
  .page-index-hi88-introduction__advantage-title,
  .page-index-hi88-introduction__step-title,
  .page-index-hi88-introduction__strategy-title {
    font-size: 1.2em;
  }
}