:root {
  --primary-color: #FFD700; /* Vàng kim */
  --secondary-color: #8B0000; /* Đỏ sẫm */
  --dark-bg-1: #1a1a1a; /* Nền tối */
  --dark-bg-2: #2a2a2a; /* Nền tối nhạt hơn */
  --light-text-color: #ffffff;
  --dark-text-color: #333333;
  --border-color: #444444;
  --card-bg-dark: rgba(255, 255, 255, 0.08);
  --card-bg-light: #ffffff;
}

.page-lottery {
  font-family: 'Arial', sans-serif;
  color: var(--light-text-color); /* Body nền tối, dùng chữ sáng */
  line-height: 1.6;
  background-color: var(--dark-bg-1);
}

.page-lottery__hero-section {
  position: relative;
  width: 100%;
  padding: 120px 20px 80px;
  padding-top: 120px; /* Đảm bảo nội dung không bị header cố định che */
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-bg-2) 100%);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.page-lottery__hero-container {
  max-width: 900px;
  margin: 0 auto;
}

.page-lottery__main-title {
  font-size: 48px;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 20px;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
  line-height: 1.2;
}

.page-lottery__hero-description {
  font-size: 20px;
  color: #e0e0e0;
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-lottery__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-lottery__cta-button {
  display: inline-block;
  padding: 15px 40px;
  text-decoration: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  border: none;
  cursor: pointer;
  white-space: normal;
  word-wrap: break-word;
}

.page-lottery__cta-button--primary {
  background: var(--primary-color);
  color: var(--dark-text-color);
}

.page-lottery__cta-button--primary:hover {
  background: #e6c200;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.page-lottery__cta-button--secondary {
  background: var(--secondary-color);
  color: var(--light-text-color);
  border: 2px solid var(--primary-color);
}

.page-lottery__cta-button--secondary:hover {
  background: #6a0000;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.page-lottery__cta-button--small {
  padding: 10px 25px;
  font-size: 16px;
  border-radius: 5px;
}

.page-lottery__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

.page-lottery__section-title {
  font-size: 36px;
  font-weight: bold;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 40px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.page-lottery__text-block {
  font-size: 18px;
  color: #cccccc;
  margin-bottom: 20px;
  text-align: justify;
}

.page-lottery__intro-section, .page-lottery__why-u888-section, .page-lottery__strategy-section, .page-lottery__brand-section, .page-lottery__blog-section, .page-lottery__final-cta-section {
  padding: 60px 0;
  background-color: var(--dark-bg-1);
}

.page-lottery__game-types-section, .page-lottery__guide-section {
  padding: 60px 0;
  background-color: var(--dark-bg-2);
}

.page-lottery__image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 40px auto;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-lottery__image--large {
  max-width: 80%;
}

.page-lottery__game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-lottery__game-card {
  background: var(--card-bg-dark);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-lottery__game-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.page-lottery__game-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-lottery__game-card-title {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.page-lottery__game-card-description {
  font-size: 16px;
  color: #c0c0c0;
  margin-bottom: 25px;
}

.page-lottery__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-lottery__feature-item {
  background: var(--card-bg-light);
  color: var(--dark-text-color);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #e0e0e0;
}

.page-lottery__feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.page-lottery__feature-title {
  font-size: 22px;
  font-weight: bold;
  color: var(--secondary-color);
  margin-bottom: 10px;
}

.page-lottery__feature-description {
  font-size: 16px;
  color: var(--dark-text-color);
}

.page-lottery__cta-center {
  text-align: center;
  margin-top: 40px;
}

.page-lottery__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-lottery__step-item {
  background: var(--card-bg-dark);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-lottery__step-number {
  font-size: 48px;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 15px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.page-lottery__step-title {
  font-size: 24px;
  font-weight: bold;
  color: var(--light-text-color);
  margin-bottom: 15px;
}

.page-lottery__step-description {
  font-size: 16px;
  color: #c0c0c0;
  margin-bottom: 25px;
  flex-grow: 1;
}

.page-lottery__strategy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-lottery__strategy-item {
  background: var(--card-bg-light);
  color: var(--dark-text-color);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
  border: 1px solid #e0e0e0;
}

.page-lottery__strategy-title {
  font-size: 22px;
  font-weight: bold;
  color: var(--secondary-color);
  margin-bottom: 10px;
}

.page-lottery__strategy-description {
  font-size: 16px;
  color: var(--dark-text-color);
}

/* FAQ Section */
.page-lottery__faq-section {
  padding: 60px 0;
  background-color: var(--dark-bg-1);
}

.page-lottery__faq-list {
  margin-top: 40px;
}

.page-lottery__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  overflow: hidden;
}

.page-lottery__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
  padding: 0 15px;
  opacity: 0;
  color: var(--dark-text-color);
}

.page-lottery__faq-item.active .page-lottery__faq-answer {
  max-height: 2000px !important;
  padding: 20px 30px !important;
  opacity: 1;
  background: var(--card-bg-light);
  border-radius: 0 0 5px 5px;
}

.page-lottery__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 30px;
  background: var(--card-bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-lottery__faq-question:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #666;
}

.page-lottery__faq-question:active {
  background: rgba(255, 255, 255, 0.2);
}

.page-lottery__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--light-text-color);
  pointer-events: none;
}

.page-lottery__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  line-height: 1;
  color: var(--primary-color);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.page-lottery__faq-item.active .page-lottery__faq-toggle {
  color: var(--primary-color);
  transform: rotate(45deg);
}

/* Brand Section */
.page-lottery__brand-content {
  margin-top: 40px;
  text-align: center;
}

.page-lottery__brand-content .page-lottery__text-block {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* Blog Section */
.page-lottery__blog-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-lottery__blog-item {
  background: var(--card-bg-light);
  color: var(--dark-text-color);
  border-radius: 10px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #e0e0e0;
  overflow: hidden;
}

.page-lottery__blog-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.page-lottery__blog-link {
  text-decoration: none;
  color: inherit;
  display: block;
  padding-bottom: 20px;
}

.page-lottery__blog-item-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 10px 10px 0 0;
  margin-bottom: 15px;
}

.page-lottery__blog-item-title {
  font-size: 20px;
  font-weight: bold;
  color: var(--secondary-color);
  margin: 0 20px 10px;
  line-height: 1.4;
}

.page-lottery__blog-item-excerpt {
  font-size: 15px;
  color: #555555;
  margin: 0 20px 15px;
}

.page-lottery__blog-item-date {
  font-size: 14px;
  color: #888888;
  margin: 0 20px;
  display: block;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-lottery__main-title {
    font-size: 40px;
  }
  .page-lottery__hero-description {
    font-size: 18px;
  }
  .page-lottery__section-title {
    font-size: 32px;
  }
  .page-lottery__cta-button {
    padding: 12px 30px;
    font-size: 16px;
  }
  .page-lottery__game-card-title, .page-lottery__feature-title, .page-lottery__step-title, .page-lottery__strategy-title, .page-lottery__blog-item-title {
    font-size: 20px;
  }
}

@media (max-width: 768px) {
  .page-lottery__hero-section {
    padding-top: 100px !important;
    padding-bottom: 60px;
    padding-left: 15px;
    padding-right: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  
  .page-lottery__hero-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-lottery__main-title {
    font-size: 32px;
  }

  .page-lottery__hero-description {
    font-size: 16px;
  }

  .page-lottery__cta-buttons {
    flex-direction: column;
    gap: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }

  .page-lottery__cta-button {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 25px !important;
    font-size: 16px !important;
  }

  .page-lottery__container {
    padding: 30px 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .page-lottery__section-title {
    font-size: 28px;
    margin-bottom: 30px;
  }

  .page-lottery__text-block {
    font-size: 16px;
  }

  .page-lottery__intro-section, .page-lottery__why-u888-section, .page-lottery__strategy-section, .page-lottery__brand-section, .page-lottery__blog-section, .page-lottery__final-cta-section, .page-lottery__game-types-section, .page-lottery__guide-section, .page-lottery__faq-section {
    padding: 40px 0;
  }

  .page-lottery__image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    margin: 30px auto;
  }

  .page-lottery__image--large {
    max-width: 100% !important;
  }

  .page-lottery__game-grid, .page-lottery__features-grid, .page-lottery__guide-steps, .page-lottery__strategy-grid, .page-lottery__blog-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-lottery__game-card, .page-lottery__feature-item, .page-lottery__step-item, .page-lottery__strategy-item, .page-lottery__blog-item {
    padding: 20px;
  }

  .page-lottery__game-card-image {
    height: 180px;
  }

  .page-lottery__game-card-title, .page-lottery__feature-title, .page-lottery__step-title, .page-lottery__strategy-title, .page-lottery__blog-item-title {
    font-size: 18px;
  }

  .page-lottery__game-card-description, .page-lottery__feature-description, .page-lottery__step-description, .page-lottery__strategy-description, .page-lottery__blog-item-excerpt {
    font-size: 15px;
  }

  .page-lottery__faq-question {
    padding: 15px 20px;
  }
  
  .page-lottery__faq-question h3 {
    font-size: 16px;
  }
  
  .page-lottery__faq-toggle {
    font-size: 24px;
    width: 28px;
    height: 28px;
  }
  
  .page-lottery__faq-item.active .page-lottery__faq-answer {
    padding: 15px 20px !important;
  }

  .page-lottery__blog-item-image {
    height: 160px;
  }
  .page-lottery__blog-item-title {
    margin: 0 15px 10px;
  }
  .page-lottery__blog-item-excerpt {
    margin: 0 15px 15px;
  }
  .page-lottery__blog-item-date {
    margin: 0 15px;
  }
  .page-lottery__cta-center {
    margin-top: 30px;
  }
}

@media (max-width: 480px) {
  .page-lottery__main-title {
    font-size: 28px;
  }
  .page-lottery__hero-description {
    font-size: 15px;
  }
  .page-lottery__section-title {
    font-size: 24px;
  }
  .page-lottery__faq-question h3 {
    font-size: 15px;
  }
  .page-lottery__faq-toggle {
    font-size: 22px;
    width: 26px;
    height: 26px;
  }
  .page-lottery__cta-button {
    font-size: 15px !important;
  }
}