.page-ban-ca {
  font-family: 'Arial', sans-serif;
  color: #E0E0E0; /* Màu chữ sáng trên nền tối */
  background-color: #0A1930; /* Màu nền chính */
  line-height: 1.6;
}

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

.page-ban-ca section {
  padding: 60px 0;
  margin-bottom: 20px;
  border-radius: 8px;
}

.page-ban-ca section:nth-of-type(even) {
  background-color: #1a2a42; /* Nền phụ cho các section xen kẽ */
}

.page-ban-ca h1, .page-ban-ca h2, .page-ban-ca h3 {
  color: #E8A900; /* Màu tiêu đề vàng */
  text-align: center;
  margin-bottom: 30px;
  font-weight: bold;
}

.page-ban-ca h1 {
  font-size: 3.2em;
}

.page-ban-ca h2 {
  font-size: 2.5em;
}

.page-ban-ca h3 {
  font-size: 1.8em;
  color: #ffffff; /* Tiêu đề phụ màu trắng */
}

.page-ban-ca p {
  margin-bottom: 20px;
  text-align: justify;
}

.page-ban-ca a {
  color: #E8A900;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-ban-ca a:hover {
  color: #FFC107;
}

.page-ban-ca .cta-button {
  display: inline-block;
  padding: 15px 30px;
  background-color: #E8A900; /* Nút CTA màu vàng */
  color: #0A1930; /* Chữ nút CTA màu xanh đậm */
  text-align: center;
  border-radius: 8px;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, transform 0.3s ease;
  border: none;
  cursor: pointer;
}

.page-ban-ca .cta-button:hover {
  background-color: #FFC107;
  transform: translateY(-2px);
}

.page-ban-ca .cta-button.secondary {
  background-color: #0A1930;
  color: #E8A900;
  border: 2px solid #E8A900;
}

.page-ban-ca .cta-button.secondary:hover {
  background-color: #1a2a42;
  color: #FFC107;
  border-color: #FFC107;
}

.page-ban-ca .cta-area {
  text-align: center;
  margin-top: 40px;
}

/* Hero Section */
.page-ban-ca .hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 20px;
  background: linear-gradient(135deg, #0A1930, #1a2a42);
}

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

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

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

.page-ban-ca .hero-content h1 {
  color: #ffffff;
  font-size: 3.8em;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.page-ban-ca .hero-content p {
  color: #E0E0E0;
  font-size: 1.3em;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Introduction Section */
.page-ban-ca .introduction-section .image-content {
  margin-top: 40px;
  text-align: center;
}

.page-ban-ca .introduction-section .image-content img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Features Section */
.page-ban-ca .feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-ban-ca .feature-item {
  background-color: #0A1930;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s ease, background-color 0.3s ease;
  border: 1px solid #E8A900;
}

.page-ban-ca .feature-item:hover {
  transform: translateY(-10px);
  background-color: #1a2a42;
}

.page-ban-ca .feature-item h3 {
  color: #E8A900;
  margin-top: 20px;
  margin-bottom: 15px;
  font-size: 1.6em;
}

.page-ban-ca .feature-item p {
  color: #B0B0B0;
  font-size: 1em;
  text-align: center;
}

.page-ban-ca .feature-icon {
  width: 120px; /* Tăng kích thước icon */
  height: 120px;
  object-fit: contain;
  margin: 0 auto;
  display: block;
  border-radius: 50%; /* Có thể làm tròn nếu là icon */
  background-color: #E8A900;
  padding: 15px;
}

/* Guide Section */
.page-ban-ca .guide-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.page-ban-ca .guide-list li {
  background-color: #0A1930;
  padding: 25px;
  margin-bottom: 20px;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
  border-left: 5px solid #E8A900;
}

.page-ban-ca .guide-list li h3 {
  text-align: left;
  color: #E8A900;
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.5em;
}

.page-ban-ca .guide-list li p {
  color: #D0D0D0;
  margin-bottom: 0;
  text-align: justify;
}

.page-ban-ca .guide-section .image-content {
  margin-top: 40px;
  text-align: center;
}

.page-ban-ca .guide-section .image-content img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Popular Versions Section */
.page-ban-ca .version-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-ban-ca .card {
  background-color: #0A1930;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #1a2a42;
}

.page-ban-ca .card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.page-ban-ca .card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid #E8A900;
}

.page-ban-ca .card h3 {
  color: #E8A900;
  font-size: 1.5em;
  padding: 15px 20px 10px;
  text-align: left;
  margin-bottom: 0;
}

.page-ban-ca .card h3 a {
  color: inherit;
}

.page-ban-ca .card p {
  color: #B0B0B0;
  padding: 0 20px 20px;
  text-align: justify;
}

/* Promotions Section */
.page-ban-ca .promo-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.page-ban-ca .promo-list li {
  background-color: #0A1930;
  padding: 25px;
  margin-bottom: 20px;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
  border-left: 5px solid #E8A900;
  display: flex;
  align-items: center;
  color: #D0D0D0;
}

.page-ban-ca .promo-list li strong {
  color: #E8A900;
  font-size: 1.1em;
  margin-right: 10px;
}

.page-ban-ca .promo-icon {
  width: 80px; /* Tăng kích thước icon */
  height: 80px;
  object-fit: contain;
  margin-right: 20px;
  border-radius: 50%;
  background-color: #E8A900;
  padding: 10px;
}

/* Why Choose Section */
.page-ban-ca .benefits-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.page-ban-ca .benefits-list li {
  background-color: #0A1930;
  padding: 20px;
  margin-bottom: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  border-left: 4px solid #E8A900;
  color: #D0D0D0;
}

.page-ban-ca .benefits-list li strong {
  color: #E8A900;
  font-size: 1.1em;
  display: block;
  margin-bottom: 5px;
}

/* FAQ Section */
.page-ban-ca .faq-list {
  margin-top: 40px;
}

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

.page-ban-ca .faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: #1a2a42; /* Nền câu hỏi */
  border: 1px solid #2e4a6a;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.page-ban-ca .faq-question:hover {
  background: #2e4a6a;
}

.page-ban-ca .faq-question h3 {
  margin: 0;
  color: #E8A900;
  font-size: 1.2em;
  text-align: left;
}

.page-ban-ca .faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #E8A900;
  transition: transform 0.3s ease;
}

.page-ban-ca .faq-item.active .faq-toggle {
  transform: rotate(45deg);
  color: #FFC107;
}

.page-ban-ca .faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.4s ease-out;
  padding: 0 25px;
  background: #0A1930;
  color: #D0D0D0;
}

.page-ban-ca .faq-item.active .faq-answer {
  max-height: 500px; /* Đủ lớn để chứa nội dung */
  padding: 20px 25px;
  border-top: 1px solid #2e4a6a;
}

.page-ban-ca .faq-answer p {
  margin-bottom: 0;
  text-align: justify;
}

/* Latest News Section */
.page-ban-ca .news-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-ban-ca .news-card {
  background-color: #0A1930;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #1a2a42;
}

.page-ban-ca .news-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.page-ban-ca .news-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid #E8A900;
}

.page-ban-ca .news-card h3 {
  color: #E8A900;
  font-size: 1.4em;
  padding: 15px 20px 10px;
  text-align: left;
  margin-bottom: 0;
}

.page-ban-ca .news-card h3 a {
  color: inherit;
}

.page-ban-ca .news-card p {
  color: #B0B0B0;
  padding: 0 20px 10px;
  text-align: justify;
}

.page-ban-ca .news-card span {
  display: block;
  font-size: 0.9em;
  color: #777;
  padding: 0 20px 20px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-ban-ca h1 {
    font-size: 3em;
  }
  .page-ban-ca h2 {
    font-size: 2em;
  }
  .page-ban-ca h3 {
    font-size: 1.6em;
  }
  .page-ban-ca .hero-content p {
    font-size: 1.1em;
  }
}

@media (max-width: 768px) {
  .page-ban-ca section {
    padding: 40px 0;
  }
  .page-ban-ca .container {
    padding: 15px;
  }
  .page-ban-ca h1 {
    font-size: 2.5em;
  }
  .page-ban-ca h2 {
    font-size: 1.8em;
  }
  .page-ban-ca h3 {
    font-size: 1.4em;
  }
  .page-ban-ca .hero-content p {
    font-size: 1em;
  }
  .page-ban-ca .feature-grid, .page-ban-ca .version-cards, .page-ban-ca .news-cards {
    grid-template-columns: 1fr;
  }
  .page-ban-ca .feature-item, .page-ban-ca .card, .page-ban-ca .news-card {
    margin-bottom: 20px;
  }
  .page-ban-ca .cta-button {
    padding: 12px 25px;
    font-size: 1em;
  }
  .page-ban-ca .promo-list li {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
  .page-ban-ca .promo-icon {
    margin-bottom: 15px;
    margin-right: 0;
  }
  .page-ban-ca .promo-list li strong {
    margin-bottom: 5px;
  }
  .page-ban-ca .faq-question {
    padding: 15px 20px;
  }
  .page-ban-ca .faq-question h3 {
    font-size: 1.1em;
  }
  .page-ban-ca .faq-answer {
    padding: 0 20px;
  }
  .page-ban-ca .faq-item.active .faq-answer {
    padding: 15px 20px;
  }
}

@media (max-width: 480px) {
  .page-ban-ca h1 {
    font-size: 2em;
  }
  .page-ban-ca h2 {
    font-size: 1.5em;
  }
  .page-ban-ca h3 {
    font-size: 1.2em;
  }
  .page-ban-ca .hero-image img {
    border-radius: 8px;
  }
  .page-ban-ca .feature-icon {
    width: 100px;
    height: 100px;
  }
}