.page-khuyen-mai {
  font-family: 'Arial', sans-serif;
  color: #E0E0E0; /* Màu chữ nhạt trên nền tối */
  line-height: 1.6;
  background-color: #1A202C;
}

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

.page-khuyen-mai section {
  padding: 60px 0;
  text-align: center;
  background-color: #1A202C;
  color: #E0E0E0;
}

.page-khuyen-mai section.bg-dark {
  background-color: #2D3748; /* Màu nền hơi sáng hơn để tạo sự khác biệt */
}

.page-khuyen-mai h1,
.page-khuyen-mai h2,
.page-khuyen-mai h3 {
  color: #FFD700; /* Màu vàng kim cho tiêu đề */
  margin-bottom: 25px;
  font-weight: bold;
}

.page-khuyen-mai h1 {
  font-size: 3.2em;
  line-height: 1.2;
}

.page-khuyen-mai h2 {
  font-size: 2.5em;
  margin-top: 40px;
}

.page-khuyen-mai h3 {
  font-size: 1.8em;
  color: #FFD700; /* Đảm bảo tiêu đề con cũng có màu vàng */
}

.page-khuyen-mai p {
  font-size: 1.1em;
  margin-bottom: 20px;
  color: #CCCCCC;
}

.page-khuyen-mai ul,
.page-khuyen-mai ol {
  list-style-position: inside;
  text-align: left;
  max-width: 800px;
  margin: 20px auto;
  padding-left: 0;
}

.page-khuyen-mai ul li,
.page-khuyen-mai ol li {
  margin-bottom: 10px;
  font-size: 1.05em;
  color: #CCCCCC;
}

.page-khuyen-mai a {
  color: #FFD700;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-khuyen-mai a:hover {
  color: #FFF2CC;
  text-decoration: underline;
}

/* Hero Section */
.page-khuyen-mai .hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  background: linear-gradient(135deg, #1A202C, #2D3748);
  overflow: hidden;
}

.page-khuyen-mai .hero-container {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

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

.page-khuyen-mai .hero-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

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

.page-khuyen-mai .hero-content h1 {
  color: #FFD700;
  font-size: 3.5em;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-khuyen-mai .hero-content p {
  color: #E0E0E0;
  font-size: 1.2em;
  max-width: 900px;
  margin: 20px auto 30px auto;
}

.page-khuyen-mai .cta-button {
  display: inline-block;
  padding: 15px 40px;
  background: #FFD700;
  color: #1A202C;
  text-decoration: none;
  border-radius: 50px;
  font-size: 1.2em;
  font-weight: bold;
  margin-top: 20px;
  transition: all 0.3s ease;
  box-shadow: 0 6px 15px rgba(255, 215, 0, 0.3);
}

.page-khuyen-mai .cta-button:hover {
  background: #FFF2CC;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(255, 215, 0, 0.5);
  color: #000000;
}

.page-khuyen-mai .cta-button.secondary {
  background: #C4A700;
  color: #1A202C;
}

.page-khuyen-mai .cta-button.secondary:hover {
  background: #FFD700;
  color: #1A202C;
}

/* Overview Section */
.page-khuyen-mai .section-overview {
  background-color: #1A202C;
}

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

.page-khuyen-mai .promo-card {
  background-color: #2D3748;
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-khuyen-mai .promo-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-khuyen-mai .promo-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai .promo-card h3 {
  font-size: 1.5em;
  margin-bottom: 15px;
  color: #FFD700;
}

.page-khuyen-mai .promo-card h3 a {
  color: #FFD700;
  text-decoration: none;
}

.page-khuyen-mai .promo-card h3 a:hover {
  text-decoration: underline;
}

.page-khuyen-mai .promo-card p {
  font-size: 1em;
  color: #CCCCCC;
  margin-bottom: 0;
}

/* Detail Sections */
.page-khuyen-mai .section-detail {
  padding: 80px 0;
}

.page-khuyen-mai .section-detail .container {
  display: flex;
  align-items: center;
  gap: 50px;
  text-align: left;
}

.page-khuyen-mai .section-detail .container.reverse-layout {
  flex-direction: row-reverse;
}

.page-khuyen-mai .section-detail img {
  flex: 1;
  max-width: 50%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  object-fit: cover;
}

.page-khuyen-mai .section-detail .content-block {
  flex: 1;
  max-width: 50%;
}

.page-khuyen-mai .section-detail .content-block h2,
.page-khuyen-mai .section-detail .content-block h3 {
  text-align: left;
}

.page-khuyen-mai .section-detail .content-block p {
  text-align: left;
}

.page-khuyen-mai .section-detail .content-block ul,
.page-khuyen-mai .section-detail .content-block ol {
  text-align: left;
  margin: 20px 0;
  padding-left: 20px;
  list-style-type: disc;
}

.page-khuyen-mai .section-detail .content-block ol {
  list-style-type: decimal;
}

.page-khuyen-mai .section-detail .content-block li {
  margin-bottom: 8px;
  color: #CCCCCC;
}

/* Terms Section */
.page-khuyen-mai .section-terms ul {
  list-style-type: decimal;
  max-width: 900px;
}

.page-khuyen-mai .section-terms ul li {
  text-align: left;
}

/* FAQ Section */
.page-khuyen-mai .section-faq {
  background-color: #1A202C;
  padding-bottom: 80px;
}

.page-khuyen-mai .faq-list {
  max-width: 900px;
  margin: 40px auto 0 auto;
  text-align: left;
}

.page-khuyen-mai .faq-item {
  margin-bottom: 15px;
  border: 1px solid #3A475F;
  border-radius: 8px;
  overflow: hidden;
  background-color: #2D3748;
  transition: all 0.3s ease;
}

.page-khuyen-mai .faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: #2D3748;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.page-khuyen-mai .faq-question:hover {
  background: #3A475F;
}

.page-khuyen-mai .faq-question h3 {
  margin: 0;
  font-size: 1.25em;
  color: #FFD700; /* Tiêu đề câu hỏi */
  flex-grow: 1;
}

.page-khuyen-mai .faq-toggle {
  font-size: 2em;
  font-weight: bold;
  color: #FFD700;
  margin-left: 20px;
  transition: transform 0.3s ease;
}

.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-color: #222B3B;
  color: #CCCCCC;
}

.page-khuyen-mai .faq-answer p {
  margin: 0;
  padding: 15px 0;
}

.page-khuyen-mai .faq-item.active .faq-answer {
  max-height: 500px; /* Đủ lớn để chứa nội dung */
  padding: 15px 25px;
}

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

/* Conclusion Section */
.page-khuyen-mai .section-conclusion {
  padding-top: 40px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-khuyen-mai h1 {
    font-size: 2.8em;
  }
  .page-khuyen-mai h2 {
    font-size: 2.2em;
  }
  .page-khuyen-mai h3 {
    font-size: 1.6em;
  }
  .page-khuyen-mai .hero-content p {
    font-size: 1.1em;
  }
  .page-khuyen-mai .cta-button {
    padding: 12px 30px;
    font-size: 1.1em;
  }
  .page-khuyen-mai .section-detail .container {
    flex-direction: column;
    gap: 30px;
  }
  .page-khuyen-mai .section-detail .container.reverse-layout {
    flex-direction: column;
  }
  .page-khuyen-mai .section-detail img,
  .page-khuyen-mai .section-detail .content-block {
    max-width: 100%;
  }
  .page-khuyen-mai .section-detail .content-block h2,
  .page-khuyen-mai .section-detail .content-block h3,
  .page-khuyen-mai .section-detail .content-block p,
  .page-khuyen-mai .section-detail .content-block ul,
  .page-khuyen-mai .section-detail .content-block ol {
    text-align: center;
  }
  .page-khuyen-mai .section-detail .content-block ul,
  .page-khuyen-mai .section-detail .content-block ol {
    padding-left: 0;
    list-style-position: inside;
  }
}

@media (max-width: 768px) {
  .page-khuyen-mai section {
    padding: 40px 0;
  }
  .page-khuyen-mai h1 {
    font-size: 2.2em;
  }
  .page-khuyen-mai h2 {
    font-size: 1.8em;
  }
  .page-khuyen-mai h3 {
    font-size: 1.4em;
  }
  .page-khuyen-mai p {
    font-size: 1em;
  }
  .page-khuyen-mai .hero-image img {
    border-radius: 4px;
  }
  .page-khuyen-mai .cta-button {
    padding: 10px 25px;
    font-size: 1em;
  }
  .page-khuyen-mai .promotions-grid {
    grid-template-columns: 1fr;
  }
  .page-khuyen-mai .promo-card {
    padding: 20px;
  }
  .page-khuyen-mai .promo-card img {
    height: 180px;
  }
  .page-khuyen-mai .section-detail .content-block {
    order: 2;
  }
  .page-khuyen-mai .section-detail img {
    order: 1;
    margin-bottom: 20px;
  }
  .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: 1.8em;
  }
  .page-khuyen-mai .faq-answer {
    padding: 0 20px;
  }
  .page-khuyen-mai .faq-item.active .faq-answer {
    padding: 15px 20px;
  }
}

@media (max-width: 480px) {
  .page-khuyen-mai h1 {
    font-size: 1.8em;
  }
  .page-khuyen-mai h2 {
    font-size: 1.6em;
  }
  .page-khuyen-mai h3 {
    font-size: 1.2em;
  }
  .page-khuyen-mai .hero-content p {
    font-size: 0.95em;
  }
  .page-khuyen-mai .cta-button {
    padding: 8px 20px;
    font-size: 0.9em;
  }
  .page-khuyen-mai .faq-question h3 {
    font-size: 1em;
  }
}