/* style/bn-c.css */
:root {
  --primary-color: #FFD700; /* Gold */
  --secondary-color: #1E90FF; /* Dodger Blue */
  --dark-bg-color: #1a1a1a;
  --light-text-color: #ffffff;
  --dark-text-color: #333333;
  --card-bg-color: #2a2a2a;
  --border-color: #444444;
}

.page-bn-c {
  font-family: 'Arial', sans-serif;
  color: var(--light-text-color);
  background-color: var(--dark-bg-color);
  line-height: 1.6;
}

.page-bn-c .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.page-bn-c h1, .page-bn-c h2, .page-bn-c h3 {
  color: var(--primary-color);
  margin-bottom: 20px;
  font-weight: bold;
}

.page-bn-c h1 {
  font-size: 2.8em;
  text-align: center;
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.7);
}

.page-bn-c h2 {
  font-size: 2.2em;
  text-align: center;
  margin-top: 40px;
  border-bottom: 2px solid var(--secondary-color);
  padding-bottom: 10px;
}

.page-bn-c h3 {
  font-size: 1.6em;
  color: var(--light-text-color);
}

.page-bn-c p {
  margin-bottom: 15px;
  font-size: 1.1em;
  color: #e0e0e0;
}

.page-bn-c .cta-button {
  display: inline-block;
  padding: 15px 40px;
  background: var(--primary-color);
  color: var(--dark-text-color);
  text-decoration: none;
  border-radius: 8px;
  font-size: 1.2em;
  font-weight: bold;
  margin-top: 30px;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
  text-align: center;
}

.page-bn-c .cta-button:hover {
  background: #FFC400;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(255, 215, 0, 0.6);
}

.page-bn-c .btn-small {
  display: inline-block;
  padding: 10px 25px;
  background: var(--secondary-color);
  color: var(--light-text-color);
  text-decoration: none;
  border-radius: 5px;
  font-size: 0.95em;
  font-weight: bold;
  margin-top: 15px;
  transition: all 0.3s ease;
  box-shadow: 0 3px 10px rgba(30, 144, 255, 0.3);
}

.page-bn-c .btn-small:hover {
  background: #1C86EE;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(30, 144, 255, 0.5);
}

.page-bn-c .text-center {
    text-align: center;
}

/* Hero Section */
.page-bn-c .hero-section {
  position: relative;
  width: 100%;
  padding: 80px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
}

.page-bn-c .hero-container {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-bn-c .hero-image {
  width: 100%;
  margin-bottom: 30px;
}

.page-bn-c .hero-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.page-bn-c .hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
}

/* Introduction Section */
.page-bn-c .introduction-section {
  padding: 60px 0;
  background-color: #222222;
}

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

.page-bn-c .feature-item {
  background-color: var(--card-bg-color);
  padding: 30px;
  border-radius: 10px;
  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 .feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.page-bn-c .feature-item img {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
}

.page-bn-c .feature-item h3 {
  color: var(--primary-color);
  font-size: 1.5em;
}

.page-bn-c .feature-item p {
  color: #cccccc;
  font-size: 1em;
}

/* Guide Section */
.page-bn-c .guide-section {
  padding: 60px 0;
  background-color: var(--dark-bg-color);
}

.page-bn-c .step-by-step {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-bn-c .step-item {
  background-color: var(--card-bg-color);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
}

.page-bn-c .step-number {
  width: 60px;
  height: 60px;
  background-color: var(--secondary-color);
  color: var(--light-text-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2em;
  font-weight: bold;
  margin: 0 auto 20px auto;
  box-shadow: 0 0 15px rgba(30, 144, 255, 0.5);
}

.page-bn-c .step-item h3 {
  color: var(--primary-color);
  font-size: 1.4em;
}

/* Game Showcase Section */
.page-bn-c .game-showcase-section {
  padding: 60px 0;
  background-color: #222222;
}

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

.page-bn-c .game-card {
  background-color: var(--card-bg-color);
  padding: 25px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-bn-c .game-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.page-bn-c .game-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
}

.page-bn-c .game-card h3 {
  font-size: 1.4em;
  margin-bottom: 10px;
}

.page-bn-c .game-card h3 a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-bn-c .game-card h3 a:hover {
  color: #FFC400;
}

.page-bn-c .game-card p {
  color: #cccccc;
  font-size: 0.95em;
}

/* Tips Section */
.page-bn-c .tips-section {
  padding: 60px 0;
  background-color: var(--dark-bg-color);
}

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

.page-bn-c .tips-list li {
  background-color: var(--card-bg-color);
  margin-bottom: 20px;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border-left: 5px solid var(--primary-color);
}

.page-bn-c .tips-list li h3 {
  color: var(--primary-color);
  margin-top: 0;
  margin-bottom: 10px;
}

.page-bn-c .tips-list li p {
  color: #cccccc;
  font-size: 1em;
}

/* Promotion Section */
.page-bn-c .promotion-section {
  padding: 60px 0;
  background-color: #222222;
}

.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-item {
  background-color: var(--card-bg-color);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
}

.page-bn-c .promo-item img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin-bottom: 20px;
}

.page-bn-c .promo-item h3 {
  color: var(--primary-color);
  font-size: 1.5em;
}

.page-bn-c .promo-item p {
  color: #cccccc;
  font-size: 1em;
}

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

.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: #333333;
  color: var(--light-text-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.page-bn-c .faq-question:hover {
  background: #444444;
  border-color: var(--primary-color);
}

.page-bn-c .faq-question h3 {
  margin: 0;
  font-size: 1.25em;
  color: var(--light-text-color);
}

.page-bn-c .faq-toggle {
  font-size: 2em;
  font-weight: bold;
  color: var(--primary-color);
  transition: transform 0.3s ease;
  line-height: 1;
}

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

.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: #2a2a2a;
  color: #cccccc;
  border-radius: 0 0 8px 8px;
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.page-bn-c .faq-item.active .faq-answer {
  max-height: 500px; /* Sufficient height for content */
  padding: 20px 25px;
}

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

/* Conclusion Section */
.page-bn-c .conclusion-section {
  padding: 60px 0;
  background-color: #222222;
  text-align: center;
}

.page-bn-c .conclusion-section p {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.15em;
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-bn-c h1 {
    font-size: 2.2em;
  }
  .page-bn-c h2 {
    font-size: 1.8em;
  }
  .page-bn-c h3 {
    font-size: 1.4em;
  }
  .page-bn-c .hero-section {
    padding: 60px 15px;
  }
  .page-bn-c .feature-grid, .page-bn-c .step-by-step, .page-bn-c .game-cards, .page-bn-c .promo-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  .page-bn-c .cta-button {
    padding: 12px 30px;
    font-size: 1.1em;
  }
  .page-bn-c .faq-question {
    padding: 15px 20px;
  }
  .page-bn-c .faq-question h3 {
    font-size: 1.1em;
  }
}

@media (max-width: 768px) {
  .page-bn-c h1 {
    font-size: 1.8em;
  }
  .page-bn-c h2 {
    font-size: 1.6em;
  }
  .page-bn-c h3 {
    font-size: 1.2em;
  }
  .page-bn-c p {
    font-size: 1em;
  }
  .page-bn-c .hero-section {
    padding: 40px 15px;
  }
  .page-bn-c .feature-grid, .page-bn-c .step-by-step, .page-bn-c .game-cards, .page-bn-c .promo-grid {
    grid-template-columns: 1fr;
  }
  .page-bn-c .feature-item, .page-bn-c .step-item, .page-bn-c .game-card, .page-bn-c .promo-item, .page-bn-c .tips-list li {
    padding: 20px;
  }
  .page-bn-c .faq-question {
    padding: 12px 15px;
  }
  .page-bn-c .faq-answer {
    padding: 15px;
  }
}