.page-th-thao {
  --primary-color: #FFD700; /* Gold */
  --secondary-color: #8B0000; /* Dark Red */
  --dark-bg: #1a1a1a; /* Dark background */
  --light-text: #ffffff;
  --dark-text: #333333;
  --accent-light: #f0f0f0;
  --border-color: #444;
}

.page-th-thao__hero-banner {
  position: relative;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 500px;
  color: var(--light-text);
  text-align: center;
}

.page-th-thao__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}

.page-th-thao__hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.65); /* Dark overlay for text readability */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 2;
  padding: 20px;
}

.page-th-thao__hero-content {
  position: relative;
  z-index: 3;
  max-width: 900px;
  padding: 20px;
}

.page-th-thao__hero-content h1 {
  font-size: 3.5em;
  margin-bottom: 20px;
  color: var(--primary-color);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
  line-height: 1.2;
}

.page-th-thao__hero-content p {
  font-size: 1.3em;
  margin-bottom: 30px;
  line-height: 1.6;
  color: var(--light-text);
}

.page-th-thao__cta-button {
  display: inline-block;
  background: var(--secondary-color);
  color: var(--light-text);
  padding: 18px 45px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 1.2em;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-th-thao__cta-button:hover {
  background: #a00000;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.page-th-thao__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-padding {
  padding: 80px 0;
}

.bg-dark-section {
  background-color: var(--dark-bg);
  color: var(--light-text);
}

.bg-accent-section {
  background: linear-gradient(90deg, var(--secondary-color) 0%, #a00000 100%);
  color: var(--light-text);
}

.page-th-thao h2 {
  font-size: 2.5em;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 40px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.page-th-thao h2.dark-text {
    color: var(--dark-text);
}

.page-th-thao h3 {
  font-size: 1.8em;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.page-th-thao__intro p {
  font-size: 1.1em;
  line-height: 1.7;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px auto;
  color: var(--dark-text);
}

.page-th-thao__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.page-th-thao__feature-item {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-th-thao__feature-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.page-th-thao__feature-icon {
  width: 100px; /* Minimum 200x200px requirement, but these are conceptual icons */
  height: 100px;
  margin-bottom: 20px;
  object-fit: contain;
}

.page-th-thao__feature-item h3 {
  color: var(--secondary-color);
  font-size: 1.5em;
}

.page-th-thao__feature-item p {
  color: var(--dark-text);
  font-size: 1em;
  line-height: 1.6;
}

.page-th-thao__sports-categories h2,
.page-th-thao__sports-categories p {
  color: var(--light-text);
}

.page-th-thao__sports-categories p {
  max-width: 800px;
  margin: 0 auto 50px auto;
  text-align: center;
  font-size: 1.1em;
  line-height: 1.7;
}

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

.page-th-thao__category-card {
  background-color: #2a2a2a;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  text-decoration: none;
  color: var(--light-text);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-th-thao__category-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-th-thao__category-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 2px solid var(--primary-color);
}

.page-th-thao__category-card h3 {
  color: var(--primary-color);
  padding: 20px 20px 10px;
  font-size: 1.6em;
}

.page-th-thao__category-card p {
  color: #cccccc;
  padding: 0 20px 20px;
  font-size: 0.95em;
  line-height: 1.6;
  text-align: left;
}

.page-th-thao__how-to-bet p {
  font-size: 1.1em;
  line-height: 1.7;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px auto;
  color: var(--dark-text);
}

.page-th-thao__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.page-th-thao__step-item {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-th-thao__step-number {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--secondary-color);
  color: var(--light-text);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8em;
  font-weight: bold;
  border: 4px solid var(--primary-color);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-th-thao__step-item h3 {
  color: var(--dark-text);
  margin-top: 40px;
  font-size: 1.4em;
}

.page-th-thao__step-item p {
  color: #666666;
  font-size: 0.95em;
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 20px;
}

.page-th-thao__small-cta {
  display: inline-block;
  background: var(--primary-color);
  color: var(--dark-text);
  padding: 10px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  font-size: 0.9em;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.page-th-thao__small-cta:hover {
  background: #e0c200;
  transform: translateY(-2px);
}

.page-th-thao__promotions h2,
.page-th-thao__promotions p {
  color: var(--light-text);
}

.page-th-thao__promotions p {
  max-width: 800px;
  margin: 0 auto 50px auto;
  text-align: center;
  font-size: 1.1em;
  line-height: 1.7;
}

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

.page-th-thao__promo-card {
  background-color: #2a2a2a;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  text-decoration: none;
  color: var(--light-text);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-th-thao__promo-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-th-thao__promo-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 2px solid var(--secondary-color);
}

.page-th-thao__promo-card h3 {
  color: var(--primary-color);
  padding: 20px 20px 10px;
  font-size: 1.6em;
}

.page-th-thao__promo-card p {
  color: #cccccc;
  padding: 0 20px 20px;
  font-size: 0.95em;
  line-height: 1.6;
  text-align: left;
  flex-grow: 1;
}

.page-th-thao__faq h2 {
  color: var(--dark-text);
}

.page-th-thao__faq p {
  font-size: 1.1em;
  line-height: 1.7;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px auto;
  color: var(--dark-text);
}

.page-th-thao__faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 15px;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: var(--primary-color);
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-question:hover {
  background: #e0c200;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.faq-question h3 {
  margin: 0;
  color: var(--dark-text);
  font-size: 1.25em;
  flex-grow: 1;
  text-align: left;
}

.faq-toggle {
  font-size: 2em;
  font-weight: bold;
  color: var(--dark-text);
  transition: transform 0.3s ease;
  margin-left: 15px;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.4s ease-out;
  padding: 0 25px;
  background: var(--accent-light);
  border-radius: 0 0 8px 8px;
  color: var(--dark-text);
}

.faq-item.active .faq-answer {
  max-height: 500px; /* Sufficient height to contain content */
  padding: 25px;
  border: 1px solid #e0e0e0;
  border-top: none;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.page-th-thao__cta-bottom {
  text-align: center;
}

.page-th-thao__cta-content {
  max-width: 800px;
}

.page-th-thao__cta-bottom h2 {
  color: var(--light-text);
  font-size: 2.8em;
  margin-bottom: 25px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-th-thao__cta-bottom p {
  font-size: 1.3em;
  color: var(--light-text);
  margin-bottom: 40px;
  line-height: 1.6;
}

.page-th-thao__cta-button--large {
  padding: 20px 60px;
  font-size: 1.4em;
  background: var(--primary-color);
  color: var(--dark-text);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-th-thao__cta-button--large:hover {
  background: #e0c200;
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-th-thao__hero-content h1 {
    font-size: 3em;
  }
  .page-th-thao__hero-content p {
    font-size: 1.1em;
  }
  .page-th-thao h2 {
    font-size: 2em;
  }
  .page-th-thao h3 {
    font-size: 1.5em;
  }
  .section-padding {
    padding: 60px 0;
  }
}

@media (max-width: 768px) {
  .page-th-thao__hero-banner {
    min-height: 400px;
  }
  .page-th-thao__hero-content h1 {
    font-size: 2.5em;
  }
  .page-th-thao__hero-content p {
    font-size: 1em;
  }
  .page-th-thao__cta-button {
    padding: 15px 35px;
    font-size: 1.1em;
  }
  .page-th-thao__features-grid,
  .page-th-thao__category-grid,
  .page-th-thao__steps-grid,
  .page-th-thao__promo-grid {
    grid-template-columns: 1fr;
  }
  .page-th-thao__feature-item,
  .page-th-thao__category-card,
  .page-th-thao__step-item,
  .page-th-thao__promo-card {
    margin-bottom: 20px;
  }
  .page-th-thao__step-number {
    top: -15px;
    width: 40px;
    height: 40px;
    font-size: 1.5em;
  }
  .page-th-thao__step-item h3 {
    margin-top: 30px;
  }
  .faq-question {
    padding: 15px 20px;
  }
  .faq-question h3 {
    font-size: 1.1em;
  }
  .faq-toggle {
    font-size: 1.8em;
  }
  .faq-answer {
    padding: 15px 20px;
  }
  .page-th-thao__cta-bottom h2 {
    font-size: 2.2em;
  }
  .page-th-thao__cta-bottom p {
    font-size: 1.1em;
  }
  .page-th-thao__cta-button--large {
    padding: 15px 40px;
    font-size: 1.2em;
  }
}

@media (max-width: 480px) {
  .page-th-thao__hero-content h1 {
    font-size: 2em;
  }
  .page-th-thao__hero-content p {
    font-size: 0.9em;
  }
  .page-th-thao__cta-button {
    padding: 12px 25px;
    font-size: 1em;
  }
  .page-th-thao h2 {
    font-size: 1.8em;
  }
  .page-th-thao h3 {
    font-size: 1.3em;
  }
  .page-th-thao__intro p,
  .page-th-thao__sports-categories p,
  .page-th-thao__promotions p,
  .page-th-thao__faq p {
    font-size: 0.9em;
  }
  .page-th-thao__cta-bottom h2 {
    font-size: 1.8em;
  }
  .page-th-thao__cta-bottom p {
    font-size: 1em;
  }
  .page-th-thao__cta-button--large {
    padding: 12px 30px;
    font-size: 1.1em;
  }
}