:root {
  --primary-color: #FFD700; /* Gold */
  --secondary-color: #1A1A1A; /* Dark Grey */
  --text-light: #ffffff;
  --text-dark: #333333;
  --background-dark: #121212;
  --background-light: #f8f8f8;
  --border-color: #333333;
}

.page-resources-betting-games-vietnam-popular-safe-guide {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-light); /* Default text color for dark body background */
  background-color: var(--background-dark); /* Inherited from body, but define for clarity */
  padding-top: 120px; /* Fixed nav bar desktop */
}

.page-resources-betting-games-vietnam-popular-safe-guide__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-resources-betting-games-vietnam-popular-safe-guide__hero-section {
  position: relative;
  padding: 120px 0 80px; /* Adjust padding for fixed header */
  text-align: center;
  background-color: var(--secondary-color);
  color: var(--text-light);
  overflow: hidden;
  border-bottom: 5px solid var(--primary-color);
  padding-top: 10px; /* Specific video section override */
}

.page-resources-betting-games-vietnam-popular-safe-guide__hero-container {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

.page-resources-betting-games-vietnam-popular-safe-guide__hero-title {
  font-size: 3.5em;
  margin-bottom: 20px;
  color: var(--primary-color);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  font-weight: bold;
  line-height: 1.2;
}

.page-resources-betting-games-vietnam-popular-safe-guide__hero-subtitle {
  font-size: 1.3em;
  margin-bottom: 40px;
  color: var(--text-light);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-resources-betting-games-vietnam-popular-safe-guide__highlight {
  color: var(--primary-color);
  font-weight: bold;
}

.page-resources-betting-games-vietnam-popular-safe-guide__cta-button {
  display: inline-block;
  padding: 15px 40px;
  background: var(--primary-color);
  color: var(--secondary-color);
  text-decoration: none;
  border-radius: 50px;
  font-size: 1.2em;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  border: none;
  cursor: pointer;
}

.page-resources-betting-games-vietnam-popular-safe-guide__cta-button:hover {
  background: #e6c200;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-resources-betting-games-vietnam-popular-safe-guide__content-section {
  background-color: var(--background-light);
  color: var(--text-dark);
  padding: 60px 0;
}

.page-resources-betting-games-vietnam-popular-safe-guide__section-title {
  font-size: 2.5em;
  color: var(--secondary-color);
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
}

.page-resources-betting-games-vietnam-popular-safe-guide__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--primary-color);
  border-radius: 2px;
}

.page-resources-betting-games-vietnam-popular-safe-guide__section-title--light {
  color: var(--primary-color);
}

.page-resources-betting-games-vietnam-popular-safe-guide__section-title--light::after {
  background-color: var(--text-light);
}

.page-resources-betting-games-vietnam-popular-safe-guide__sub-section-title {
  font-size: 1.8em;
  color: var(--primary-color);
  margin-top: 40px;
  margin-bottom: 20px;
  border-left: 5px solid var(--primary-color);
  padding-left: 15px;
}

.page-resources-betting-games-vietnam-popular-safe-guide__text-block {
  font-size: 1.1em;
  margin-bottom: 20px;
  text-align: justify;
}

.page-resources-betting-games-vietnam-popular-safe-guide__image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 40px auto;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.page-resources-betting-games-vietnam-popular-safe-guide__list {
  list-style: none;
  padding: 0;
  margin-bottom: 30px;
}

.page-resources-betting-games-vietnam-popular-safe-guide__list-item {
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 15px;
  display: flex;
  align-items: flex-start;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  color: var(--text-dark);
}

.page-resources-betting-games-vietnam-popular-safe-guide__list-item::before {
  content: '✓';
  color: var(--primary-color);
  font-size: 1.5em;
  margin-right: 15px;
  font-weight: bold;
}

.page-resources-betting-games-vietnam-popular-safe-guide__cta-block {
  background-color: var(--secondary-color);
  padding: 40px;
  text-align: center;
  border-radius: 10px;
  margin: 50px auto;
  max-width: 800px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  color: var(--text-light);
}

.page-resources-betting-games-vietnam-popular-safe-guide__cta-text {
  font-size: 1.5em;
  margin-bottom: 30px;
  font-weight: 500;
  color: var(--text-light);
}

.page-resources-betting-games-vietnam-popular-safe-guide__cta-button--large {
  padding: 18px 50px;
  font-size: 1.4em;
}

.page-resources-betting-games-vietnam-popular-safe-guide__call-to-action-footer {
  background-color: var(--secondary-color);
  padding: 80px 0;
  text-align: center;
  color: var(--text-light);
  border-top: 5px solid var(--primary-color);
}

.page-resources-betting-games-vietnam-popular-safe-guide__text-block--light {
  color: var(--text-light);
}

.page-resources-betting-games-vietnam-popular-safe-guide__cta-button--footer {
  background: var(--primary-color);
  color: var(--secondary-color);
  padding: 18px 60px;
  font-size: 1.5em;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-resources-betting-games-vietnam-popular-safe-guide__hero-title {
    font-size: 3em;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__hero-subtitle {
    font-size: 1.2em;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__section-title {
    font-size: 2em;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__sub-section-title {
    font-size: 1.6em;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__text-block {
    font-size: 1em;
  }
}

@media (max-width: 768px) {
  .page-resources-betting-games-vietnam-popular-safe-guide {
    padding-top: 100px !important; /* Fixed nav bar mobile */
    font-size: 16px;
    line-height: 1.6;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__container {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__hero-section {
    padding: 80px 0 50px;
    padding-top: 10px !important; /* Specific video section override */
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__hero-title {
    font-size: 2.2em;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__hero-subtitle {
    font-size: 1em;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__cta-button {
    padding: 12px 30px;
    font-size: 1em;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__cta-button--large {
    font-size: 1.2em;
    padding: 15px 40px;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__sub-section-title {
    font-size: 1.4em;
    margin-top: 30px;
    margin-bottom: 15px;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__text-block {
    font-size: 0.95em;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__image {
    margin: 30px auto;
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__list-item {
    padding: 15px;
    font-size: 0.95em;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__list-item::before {
    font-size: 1.2em;
    margin-right: 10px;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__cta-block {
    padding: 30px 20px;
    margin: 40px auto;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__cta-text {
    font-size: 1.2em;
    margin-bottom: 20px;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__cta-button--footer {
    padding: 15px 40px;
    font-size: 1.2em;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__call-to-action-footer {
    padding: 60px 0;
  }
}

@media (max-width: 480px) {
  .page-resources-betting-games-vietnam-popular-safe-guide__hero-title {
    font-size: 1.8em;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__hero-subtitle {
    font-size: 0.9em;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__section-title {
    font-size: 1.5em;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__sub-section-title {
    font-size: 1.2em;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__cta-button {
    font-size: 0.9em;
    padding: 10px 25px;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__cta-button--large {
    font-size: 1em;
    padding: 12px 30px;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__cta-text {
    font-size: 1em;
  }
  .page-resources-betting-games-vietnam-popular-safe-guide__cta-button--footer {
    font-size: 1em;
    padding: 12px 30px;
  }
}