.page-khuyen-mai {
  font-family: 'Arial', sans-serif;
  color: #333;
  line-height: 1.6;
  background-color: #f4f7f6;
}

.page-khuyen-mai a {
  color: #1A237E;
  text-decoration: none;
}

.page-khuyen-mai a:hover {
  text-decoration: underline;
}

.page-khuyen-mai .inline-link {
  font-weight: bold;
}

.page-khuyen-mai .highlight-text {
  color: #1A237E;
  font-weight: bold;
}

.page-khuyen-mai .hero-khuyen-mai {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 60px 20px;
  background: linear-gradient(135deg, #1A237E 0%, #3949AB 100%);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.page-khuyen-mai .hero-content {
  max-width: 900px;
  z-index: 2;
}

.page-khuyen-mai .hero-title {
  font-size: 3.2em;
  margin-bottom: 20px;
  font-weight: bold;
  color: #FFD700;
  line-height: 1.2;
}

.page-khuyen-mai .hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  line-height: 1.8;
  color: #e0e0e0;
}

.page-khuyen-mai .hero-description .inline-link {
  color: #FFD700;
}

.page-khuyen-mai .cta-button {
  display: inline-block;
  padding: 15px 40px;
  background-color: #FFD700;
  color: #1A237E;
  text-decoration: none;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: bold;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.page-khuyen-mai .cta-button:hover {
  background-color: #e5c100;
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.page-khuyen-mai .hero-image-wrapper {
  margin-top: 40px;
  width: 100%;
  max-width: 1000px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-khuyen-mai .hero-promo-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-khuyen-mai .section-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
  background-color: #ffffff;
  border-bottom: 1px solid #eee;
}

.page-khuyen-mai .section-content:last-of-type {
  border-bottom: none;
}

.page-khuyen-mai .section-title {
  font-size: 2.5em;
  color: #1A237E;
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-khuyen-mai .section-description {
  font-size: 1.1em;
  color: #555;
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-khuyen-mai .promo-card, .page-khuyen-mai .event-card, .page-khuyen-mai .feature-card {
  background-color: #f9f9f9;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-khuyen-mai .promo-card:hover, .page-khuyen-mai .event-card:hover, .page-khuyen-mai .feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai .card-image, .page-khuyen-mai .event-image, .page-khuyen-mai .feature-icon {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.page-khuyen-mai .feature-icon {
  height: 120px;
  width: 120px;
  object-fit: contain;
  margin: 30px auto 15px auto;
}

.page-khuyen-mai .card-title, .page-khuyen-mai .event-title, .page-khuyen-mai .feature-title {
  font-size: 1.6em;
  color: #1A237E;
  padding: 20px 25px 10px;
  font-weight: bold;
}

.page-khuyen-mai .card-text, .page-khuyen-mai .event-text, .page-khuyen-mai .feature-text {
  font-size: 1em;
  color: #666;
  padding: 0 25px 20px;
  flex-grow: 1;
}

.page-khuyen-mai .card-button {
  display: inline-block;
  padding: 12px 25px;
  background-color: #FFD700;
  color: #1A237E;
  text-align: center;
  border-radius: 0 0 10px 10px;
  font-weight: bold;
  transition: background-color 0.3s ease;
  margin-top: auto;
}

.page-khuyen-mai .card-button:hover {
  background-color: #e5c100;
  text-decoration: none;
}

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

.page-khuyen-mai .guide-steps .step-item {
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.3s ease;
}

.page-khuyen-mai .guide-steps .step-item:hover {
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-khuyen-mai .step-icon {
  width: 60px;
  height: 60px;
  background-color: #1A237E;
  color: #FFD700;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2em;
  font-weight: bold;
  margin: 0 auto 20px;
}

.page-khuyen-mai .step-title {
  font-size: 1.8em;
  color: #1A237E;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-khuyen-mai .step-text {
  font-size: 1em;
  color: #666;
  margin-bottom: 25px;
}

.page-khuyen-mai .step-button {
  display: inline-block;
  padding: 10px 25px;
  background-color: #FFD700;
  color: #1A237E;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.page-khuyen-mai .step-button:hover {
  background-color: #e5c100;
  text-decoration: none;
}

.page-khuyen-mai .section-why-choose .feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-khuyen-mai .feature-card {
  text-align: center;
  padding: 30px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  background-color: #fff;
  border: 1px solid #eee;
}

.page-khuyen-mai .feature-title {
  font-size: 1.5em;
  margin-top: 15px;
  margin-bottom: 10px;
}

.page-khuyen-mai .feature-text {
  font-size: 0.95em;
  color: #777;
}

/* FAQ Styles */
.page-khuyen-mai .section-faq {
  background-color: #f0f2f5;
}

.page-khuyen-mai .faq-container {
  max-width: 900px;
  margin: 40px auto 0;
}

.page-khuyen-mai .faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.page-khuyen-mai .faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  background: #1A237E;
  color: #ffffff;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.page-khuyen-mai .faq-question:hover {
  background-color: #3949AB;
}

.page-khuyen-mai .faq-question h3 {
  margin: 0;
  font-size: 1.2em;
  font-weight: bold;
  color: #FFD700;
}

.page-khuyen-mai .faq-toggle {
  font-size: 1.8em;
  font-weight: bold;
  transition: transform 0.3s ease;
  color: #FFD700;
}

.page-khuyen-mai .faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.4s ease-out;
  padding: 0 25px;
  background: #ffffff;
  color: #444;
}

.page-khuyen-mai .faq-answer p {
  margin: 0;
  padding-bottom: 20px;
  font-size: 1em;
}

.page-khuyen-mai .faq-item.active .faq-answer {
  max-height: 500px; /* Adjust as needed */
  padding: 20px 25px;
}

.page-khuyen-mai .faq-item.active .faq-question {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

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

.page-khuyen-mai .section-conclusion {
  text-align: center;
  background-color: #1A237E;
  color: #ffffff;
  padding: 80px 20px;
}

.page-khuyen-mai .section-conclusion .section-title {
  color: #FFD700;
  font-size: 2.8em;
}

.page-khuyen-mai .section-conclusion .section-description {
  color: #e0e0e0;
  font-size: 1.15em;
  margin-bottom: 50px;
}

.page-khuyen-mai .section-conclusion .section-description .inline-link {
  color: #FFD700;
}

.page-khuyen-mai .final-cta {
  padding: 18px 50px;
  font-size: 1.2em;
  background-color: #FFD700;
  color: #1A237E;
}

.page-khuyen-mai .final-cta:hover {
  background-color: #e5c100;
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-khuyen-mai .hero-title {
    font-size: 2.8em;
  }
  .page-khuyen-mai .section-title {
    font-size: 2.2em;
  }
  .page-khuyen-mai .promo-grid, .page-khuyen-mai .event-promo-grid, .page-khuyen-mai .guide-steps, .page-khuyen-mai .feature-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-khuyen-mai .hero-khuyen-mai {
    padding: 40px 15px;
  }
  .page-khuyen-mai .hero-title {
    font-size: 2.2em;
  }
  .page-khuyen-mai .hero-description {
    font-size: 1em;
  }
  .page-khuyen-mai .cta-button {
    padding: 12px 30px;
    font-size: 1em;
  }
  .page-khuyen-mai .section-content {
    padding: 40px 15px;
  }
  .page-khuyen-mai .section-title {
    font-size: 1.8em;
  }
  .page-khuyen-mai .section-description {
    font-size: 0.95em;
  }
  .page-khuyen-mai .promo-grid, .page-khuyen-mai .event-promo-grid, .page-khuyen-mai .guide-steps, .page-khuyen-mai .feature-grid {
    grid-template-columns: 1fr;
  }
  .page-khuyen-mai .card-title, .page-khuyen-mai .event-title, .page-khuyen-mai .feature-title {
    font-size: 1.4em;
  }
  .page-khuyen-mai .step-title {
    font-size: 1.5em;
  }
  .page-khuyen-mai .faq-question {
    padding: 15px 20px;
  }
  .page-khuyen-mai .faq-question h3 {
    font-size: 1.1em;
  }
  .page-khuyen-mai .faq-toggle {
    font-size: 1.5em;
  }
  .page-khuyen-mai .faq-answer {
    padding: 0 20px;
  }
  .page-khuyen-mai .faq-item.active .faq-answer {
    padding: 15px 20px;
  }
  .page-khuyen-mai .section-conclusion {
    padding: 60px 15px;
  }
  .page-khuyen-mai .section-conclusion .section-title {
    font-size: 2.2em;
  }
  .page-khuyen-mai .section-conclusion .section-description {
    font-size: 1em;
  }
  .page-khuyen-mai .final-cta {
    padding: 15px 35px;
    font-size: 1.1em;
  }
}

@media (max-width: 480px) {
  .page-khuyen-mai .hero-title {
    font-size: 1.8em;
  }
  .page-khuyen-mai .section-title {
    font-size: 1.6em;
  }
  .page-khuyen-mai .card-image, .page-khuyen-mai .event-image, .page-khuyen-mai .feature-icon {
    height: 180px;
  }
  .page-khuyen-mai .card-title, .page-khuyen-mai .event-title, .page-khuyen-mai .feature-title {
    font-size: 1.2em;
  }
  .page-khuyen-mai .step-title {
    font-size: 1.3em;
  }
  .page-khuyen-mai .section-conclusion .section-title {
    font-size: 1.8em;
  }
}