.page-bn-c {
  font-family: 'Arial', sans-serif;
  color: #E0E0E0; /* Màu chữ sáng trên nền tối */
  background-color: #0A1931;
  line-height: 1.6;
}

.page-bn-c .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.page-bn-c h1, .page-bn-c h2, .page-bn-c h3, .page-bn-c h4 {
  color: #FFD700; /* Màu vàng kim cho tiêu đề */
  margin-bottom: 20px;
  font-weight: bold;
}

.page-bn-c h1 {
  font-size: 2.8em;
  text-align: center;
  padding-top: 30px;
  line-height: 1.2;
}

.page-bn-c h2 {
  font-size: 2.2em;
  text-align: center;
  margin-top: 40px;
  margin-bottom: 30px;
  position: relative;
}

.page-bn-c h2::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background-color: #E74C3C; /* Màu đỏ nổi bật */
  margin: 15px auto 0;
  border-radius: 2px;
}

.page-bn-c h3 {
  font-size: 1.6em;
  color: #FFD700; /* Màu vàng kim */
  margin-top: 25px;
  margin-bottom: 15px;
}

.page-bn-c p {
  margin-bottom: 15px;
  color: #E0E0E0;
}

.page-bn-c strong {
  color: #FFD700;
}

/* Hero Banner */
.page-bn-c .hero-banner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 20px 40px;
  background: linear-gradient(135deg, #0A1931, #1a3a6b);
  position: relative;
  overflow: hidden;
}

.page-bn-c .hero-content {
  z-index: 2;
  max-width: 900px;
  margin-bottom: 30px;
}

.page-bn-c .hero-content p {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: #ffffff;
}

.page-bn-c .hero-image-container {
  width: 100%;
  max-width: 1000px; /* Adjust as needed */
  margin-top: 20px;
  z-index: 1;
}

.page-bn-c .hero-image {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
  object-fit: cover;
}

.page-bn-c .cta-button {
  display: inline-block;
  background-color: #E74C3C; /* Nút hành động màu đỏ */
  color: #ffffff;
  padding: 18px 45px;
  border-radius: 50px;
  text-decoration: none;
  font-size: 1.3em;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 6px 15px rgba(231, 76, 60, 0.4);
}

.page-bn-c .cta-button:hover {
  background-color: #c0392b;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(231, 76, 60, 0.6);
}

/* Section Intro */
.page-bn-c .section-intro {
  padding: 60px 0;
  background-color: #0A1931;
}

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

.page-bn-c .intro-cards .card {
  background-color: #1a2a47; /* Nền card tối hơn */
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-bn-c .intro-cards .card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.page-bn-c .intro-cards .card-image {
  width: 100%;
  max-width: 300px;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  border: 2px solid #FFD700;
}

.page-bn-c .intro-cards .card h3 {
  color: #FFD700;
  font-size: 1.4em;
  margin-top: 0;
}

.page-bn-c .intro-cards .card p {
  color: #E0E0E0;
  font-size: 0.95em;
}

/* Section Why Choose */
.page-bn-c .section-why-choose {
  padding: 60px 0;
  background-color: #1a2a47;
}

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

.page-bn-c .feature-item {
  background-color: #0A1931;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  text-align: center;
  transition: transform 0.3s ease;
}

.page-bn-c .feature-item:hover {
  transform: translateY(-5px);
}

.page-bn-c .feature-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  object-fit: contain;
  filter: drop-shadow(0 0 5px rgba(255, 215, 0, 0.5));
}

.page-bn-c .feature-item h3 {
  color: #FFD700;
  font-size: 1.3em;
  margin-top: 0;
}

.page-bn-c .feature-item p {
  color: #E0E0E0;
  font-size: 0.9em;
}

/* Section Game Types */
.page-bn-c .section-game-types {
  padding: 60px 0;
  background-color: #0A1931;
}

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

.page-bn-c .game-card {
  background-color: #1a2a47;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-bn-c .game-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.page-bn-c .game-card .game-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-bottom: 2px solid #FFD700;
}

.page-bn-c .game-card h3 {
  color: #FFD700;
  font-size: 1.5em;
  margin: 20px 15px 10px;
}

.page-bn-c .game-card h3 a {
  color: #FFD700;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-bn-c .game-card h3 a:hover {
  color: #E74C3C;
}

.page-bn-c .game-card p {
  color: #E0E0E0;
  font-size: 0.95em;
  padding: 0 15px 20px;
}

.page-bn-c .game-card .btn-small {
  display: inline-block;
  background-color: #E74C3C;
  color: #ffffff;
  padding: 10px 25px;
  border-radius: 25px;
  text-decoration: none;
  font-size: 1em;
  font-weight: bold;
  margin-bottom: 20px;
  transition: background-color 0.3s ease;
}

.page-bn-c .game-card .btn-small:hover {
  background-color: #c0392b;
}

/* Section How To Play */
.page-bn-c .section-how-to-play {
  padding: 60px 0;
  background-color: #1a2a47;
}

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

.page-bn-c .step-item {
  background-color: #0A1931;
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-bn-c .step-item .step-number {
  width: 60px;
  height: 60px;
  background-color: #FFD700;
  color: #0A1931;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2em;
  font-weight: bold;
  margin: 0 auto 20px;
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.6);
}

.page-bn-c .step-item h3 {
  color: #FFD700;
  font-size: 1.4em;
  margin-top: 0;
}

.page-bn-c .step-item p {
  color: #E0E0E0;
  font-size: 0.95em;
  margin-bottom: 20px;
}

.page-bn-c .btn-outline {
  display: inline-block;
  background-color: transparent;
  color: #FFD700;
  border: 2px solid #FFD700;
  padding: 10px 25px;
  border-radius: 25px;
  text-decoration: none;
  font-size: 1em;
  font-weight: bold;
  transition: all 0.3s ease;
}

.page-bn-c .btn-outline:hover {
  background-color: #FFD700;
  color: #0A1931;
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.6);
}

/* Section Tips */
.page-bn-c .section-tips {
  padding: 60px 0;
  background-color: #0A1931;
}

.page-bn-c .tips-list {
  list-style: none;
  padding: 0;
  margin-top: 40px;
}

.page-bn-c .tips-list li {
  background-color: #1a2a47;
  border-left: 5px solid #E74C3C;
  margin-bottom: 20px;
  padding: 25px 30px;
  border-radius: 8px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.page-bn-c .tips-list li h3 {
  color: #FFD700;
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.5em;
}

.page-bn-c .tips-list li p {
  color: #E0E0E0;
}

/* Section Promotions */
.page-bn-c .section-promotions {
  padding: 60px 0;
  background-color: #1a2a47;
}

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

.page-bn-c .promo-card {
  background-color: #0A1931;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-bn-c .promo-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.page-bn-c .promo-card .promo-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 2px solid #E74C3C;
}

.page-bn-c .promo-card h3 {
  color: #FFD700;
  font-size: 1.4em;
  margin: 20px 15px 10px;
}

.page-bn-c .promo-card h3 a {
  color: #FFD700;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-bn-c .promo-card h3 a:hover {
  color: #E74C3C;
}

.page-bn-c .promo-card p {
  color: #E0E0E0;
  font-size: 0.95em;
  padding: 0 15px 20px;
}

.page-bn-c .promo-card .btn-promo {
  display: inline-block;
  background-color: #E74C3C;
  color: #ffffff;
  padding: 10px 25px;
  border-radius: 25px;
  text-decoration: none;
  font-size: 1em;
  font-weight: bold;
  margin-bottom: 20px;
  transition: background-color 0.3s ease;
}

.page-bn-c .promo-card .btn-promo:hover {
  background-color: #c0392b;
}

.page-bn-c .promo-note {
  text-align: center;
  font-style: italic;
  margin-top: 30px;
  color: #BBBBBB;
}

/* Section Security Support */
.page-bn-c .section-security-support {
  padding: 60px 0;
  background-color: #0A1931;
}

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

.page-bn-c .feature-item-large {
  background-color: #1a2a47;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  text-align: center;
}

.page-bn-c .feature-item-large .feature-icon-large {
  width: 120px;
  height: 120px;
  margin-bottom: 25px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.6));
}

.page-bn-c .feature-item-large h3 {
  color: #FFD700;
  font-size: 1.5em;
  margin-top: 0;
}

.page-bn-c .feature-item-large p {
  color: #E0E0E0;
}

/* Section FAQ */
.page-bn-c .section-faq {
  padding: 60px 0;
  background-color: #1a2a47;
}

.page-bn-c .faq-list {
  margin-top: 40px;
}

.page-bn-c .faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-bn-c .faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: #0A1931;
  border: 1px solid #2a3e63;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.page-bn-c .faq-question:hover {
  background: #1a2a47;
}

.page-bn-c .faq-question h3 {
  margin: 0;
  color: #FFD700;
  font-size: 1.25em;
}

.page-bn-c .faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #E74C3C;
  transition: transform 0.3s ease;
}

.page-bn-c .faq-item.active .faq-toggle {
  transform: rotate(45deg);
  color: #FFD700;
}

.page-bn-c .faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.4s ease-out;
  padding: 0 25px;
  background-color: #2a3e63;
  color: #E0E0E0;
}

.page-bn-c .faq-item.active .faq-answer {
  max-height: 500px; /* Đủ lớn để chứa nội dung */
  padding: 20px 25px;
  border-top: 1px solid #3a4f73;
}

.page-bn-c .faq-answer p {
  margin: 0;
  color: #E0E0E0;
}

/* Final CTA Section */
.page-bn-c .section-cta-final {
  padding: 80px 0;
  background: linear-gradient(135deg, #1a2a47, #0A1931);
  text-align: center;
}

.page-bn-c .section-cta-final h2 {
  font-size: 2.5em;
  color: #FFD700;
  margin-bottom: 25px;
}

.page-bn-c .section-cta-final p {
  font-size: 1.1em;
  margin-bottom: 40px;
  color: #ffffff;
}

.page-bn-c .cta-button-large {
  display: inline-block;
  background-color: #E74C3C;
  color: #ffffff;
  padding: 20px 50px;
  border-radius: 50px;
  text-decoration: none;
  font-size: 1.5em;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 8px 20px rgba(231, 76, 60, 0.5);
}

.page-bn-c .cta-button-large:hover {
  background-color: #c0392b;
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(231, 76, 60, 0.7);
}

.page-bn-c .small-text {
  font-size: 0.9em;
  margin-top: 30px;
  color: #BBBBBB;
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-bn-c h1 {
    font-size: 2.4em;
  }
  .page-bn-c h2 {
    font-size: 1.8em;
  }
  .page-bn-c h3 {
    font-size: 1.3em;
  }
  .page-bn-c .cta-button {
    padding: 15px 35px;
    font-size: 1.1em;
  }
  .page-bn-c .intro-cards, .page-bn-c .feature-list, .page-bn-c .game-grid, .page-bn-c .step-by-step, .page-bn-c .promo-grid, .page-bn-c .security-features {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-bn-c h1 {
    font-size: 2em;
  }
  .page-bn-c h2 {
    font-size: 1.6em;
  }
  .page-bn-c .hero-banner {
    padding: 60px 15px 30px;
  }
  .page-bn-c .hero-content p {
    font-size: 1em;
  }
  .page-bn-c .cta-button {
    padding: 12px 30px;
    font-size: 1em;
  }
  .page-bn-c .section-intro, .page-bn-c .section-why-choose, .page-bn-c .section-game-types, .page-bn-c .section-how-to-play, .page-bn-c .section-tips, .page-bn-c .section-promotions, .page-bn-c .section-security-support, .page-bn-c .section-faq, .page-bn-c .section-cta-final {
    padding: 40px 0;
  }
  .page-bn-c .intro-cards, .page-bn-c .feature-list, .page-bn-c .game-grid, .page-bn-c .step-by-step, .page-bn-c .promo-grid, .page-bn-c .security-features {
    grid-template-columns: 1fr;
  }
  .page-bn-c .intro-cards .card-image, .page-bn-c .game-card .game-image, .page-bn-c .promo-card .promo-image {
    height: 180px;
  }
  .page-bn-c .faq-question {
    padding: 15px 20px;
  }
  .page-bn-c .faq-question h3 {
    font-size: 1.1em;
  }
  .page-bn-c .faq-toggle {
    font-size: 20px;
  }
  .page-bn-c .faq-answer {
    padding: 0 20px;
  }
  .page-bn-c .faq-item.active .faq-answer {
    padding: 15px 20px;
  }
  .page-bn-c .cta-button-large {
    padding: 15px 35px;
    font-size: 1.2em;
  }
}

@media (max-width: 480px) {
  .page-bn-c h1 {
    font-size: 1.8em;
  }
  .page-bn-c h2 {
    font-size: 1.5em;
  }
  .page-bn-c .hero-content p {
    font-size: 0.9em;
  }
  .page-bn-c .cta-button {
    padding: 10px 25px;
    font-size: 0.9em;
  }
  .page-bn-c .intro-cards .card-image, .page-bn-c .game-card .game-image, .page-bn-c .promo-card .promo-image {
    height: 160px;
  }
  .page-bn-c .faq-question h3 {
    font-size: 1em;
  }
  .page-bn-c .cta-button-large {
    padding: 12px 30px;
    font-size: 1.1em;
  }
}