/* 页面主体背景色来自 shared.css var(--site-bg), giả định là màu tối. Do đó, màu chữ mặc định sẽ là màu sáng. */
.page-khuyen-mai {
  color: #FFF1E8;
  background-color: #140C0C; /* Đảm bảo màu nền chính xác theo yêu cầu */
}

.page-khuyen-mai__hero-section {
  padding-top: 10px; /* Nhỏ hơn so với --header-offset để tránh trùng lặp với body padding */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-bottom: 40px;
  background: linear-gradient(180deg, #C61F1F 0%, #7E0D0D 100%); /* Sử dụng Deep Red cho gradient nền */
  position: relative;
  overflow: hidden;
}

.page-khuyen-mai__hero-image-wrapper {
  width: 100%;
  max-width: 1920px;
  margin-bottom: 20px;
}

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

.page-khuyen-mai__hero-content {
  max-width: 900px;
  padding: 0 15px;
  position: relative;
  z-index: 1;
}

.page-khuyen-mai__main-title {
  font-size: 3.2em;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 15px;
  color: #FFF1E8;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-khuyen-mai__hero-description {
  font-size: 1.2em;
  line-height: 1.6;
  margin-bottom: 30px;
  color: #FFF1E8;
}

.page-khuyen-mai__section {
  padding: 60px 0;
  background-color: #140C0C;
}

.page-khuyen-mai__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.page-khuyen-mai__section-title {
  font-size: 2.5em;
  font-weight: 700;
  color: #F3C54D; /* Gold */
  text-align: center;
  margin-bottom: 40px;
  text-transform: uppercase;
}

.page-khuyen-mai__promotions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  justify-content: center;
}

.page-khuyen-mai__promotion-card {
  background-color: #2A1212; /* Card B G */
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid #6A1E1E; /* Border */
}

.page-khuyen-mai__card-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

.page-khuyen-mai__card-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  color: #FFF1E8;
}

.page-khuyen-mai__card-title {
  font-size: 1.6em;
  font-weight: 600;
  margin-bottom: 15px;
  color: #F3C54D; /* Gold */
}

.page-khuyen-mai__card-description {
  font-size: 1.05em;
  line-height: 1.6;
  margin-bottom: 20px;
  color: #FFF1E8;
  flex-grow: 1;
}

.page-khuyen-mai__btn-primary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 5px;
  background: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%); /* Button gradient */
  color: #FFF1E8; /* Text Main */
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  text-align: center;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-khuyen-mai__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-khuyen-mai__card--single {
  grid-column: span 1; /* For single card layout in a grid */
}

.page-khuyen-mai__how-to-guide {
  display: flex;
  gap: 40px;
  align-items: center;
  flex-wrap: wrap;
}

.page-khuyen-mai__guide-image-wrapper {
  flex: 1;
  min-width: 300px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

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

.page-khuyen-mai__guide-list {
  flex: 2;
  list-style: none;
  padding: 0;
  margin: 0;
  color: #FFF1E8;
}

.page-khuyen-mai__guide-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 25px;
  gap: 15px;
}

.page-khuyen-mai__guide-step-number {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 50%;
  background-color: #C61F1F;
  color: #FFF1E8;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5em;
  font-weight: 700;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai__guide-text h3 {
  font-size: 1.4em;
  color: #F3C54D; /* Gold */
  margin-top: 0;
  margin-bottom: 5px;
}

.page-khuyen-mai__guide-text p {
  font-size: 1em;
  line-height: 1.5;
  color: #FFF1E8;
}

.page-khuyen-mai__cta-wrapper {
  text-align: center;
  width: 100%;
  margin-top: 30px;
}

.page-khuyen-mai__faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.page-khuyen-mai__faq-item {
  background-color: #2A1212; /* Card B G */
  border: 1px solid #6A1E1E; /* Border */
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: #FFF1E8;
}

.page-khuyen-mai__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.2em;
  font-weight: 600;
  color: #F3C54D; /* Gold */
  cursor: pointer;
  list-style: none;
  position: relative;
}

.page-khuyen-mai__faq-question::-webkit-details-marker {
  display: none;
}

.page-khuyen-mai__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  color: #FFF1E8;
  transition: transform 0.3s ease;
}

.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-toggle {
  transform: rotate(45deg);
}

.page-khuyen-mai__faq-answer {
  padding: 0 25px 20px;
  font-size: 1em;
  line-height: 1.6;
  color: #FFF1E8;
}

.page-khuyen-mai__faq-answer p {
  margin: 0;
}

.page-khuyen-mai__why-choose {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-khuyen-mai__why-choose-content {
  display: flex;
  gap: 40px;
  align-items: center;
  flex-wrap: wrap;
}

.page-khuyen-mai__why-choose-image {
  flex: 1;
  min-width: 300px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-khuyen-mai__why-choose-text {
  flex: 1.5;
  min-width: 300px;
  color: #FFF1E8;
  line-height: 1.6;
}

.page-khuyen-mai__why-choose-text p {
  margin-bottom: 25px;
  font-size: 1.1em;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-khuyen-mai__main-title {
    font-size: 2.8em;
  }

  .page-khuyen-mai__section-title {
    font-size: 2.2em;
  }

  .page-khuyen-mai__promotions-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .page-khuyen-mai__card-image {
    height: 220px;
  }

  .page-khuyen-mai__how-to-guide, .page-khuyen-mai__why-choose-content {
    flex-direction: column;
  }

  .page-khuyen-mai__guide-image-wrapper, .page-khuyen-mai__why-choose-image {
    width: 100%;
    max-width: 600px;
  }
}

@media (max-width: 768px) {
  .page-khuyen-mai {
    font-size: 16px;
    line-height: 1.6;
  }

  /* HERO 主图区域 */
  .page-khuyen-mai__hero-section {
    padding-top: 10px !important;
    padding-bottom: 30px;
  }

  .page-khuyen-mai__hero-content {
    padding: 0 10px;
  }

  .page-khuyen-mai__main-title {
    font-size: 2em !important;
    margin-bottom: 10px;
  }

  .page-khuyen-mai__hero-description {
    font-size: 1em;
    margin-bottom: 20px;
  }

  /* Section Title */
  .page-khuyen-mai__section-title {
    font-size: 1.8em !important;
    margin-bottom: 30px;
  }

  /* 通用图片与容器 */
  .page-khuyen-mai img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-khuyen-mai__container,
  .page-khuyen-mai__promotions-grid,
  .page-khuyen-mai__how-to-guide,
  .page-khuyen-mai__why-choose-content,
  .page-khuyen-mai__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 按钮与按钮容器 */
  .page-khuyen-mai__btn-primary,
  .page-khuyen-mai a[class*="button"],
  .page-khuyen-mai a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  .page-khuyen-mai__cta-wrapper {
    width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
  }

  .page-khuyen-mai__promotions-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-khuyen-mai__promotion-card {
    height: auto;
  }

  .page-khuyen-mai__card-image {
    height: 200px;
  }

  .page-khuyen-mai__card-title {
    font-size: 1.4em;
  }

  .page-khuyen-mai__card-description {
    font-size: 0.95em;
  }

  .page-khuyen-mai__guide-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .page-khuyen-mai__guide-step-number {
    margin-bottom: 10px;
  }

  .page-khuyen-mai__guide-text h3 {
    font-size: 1.2em;
  }

  .page-khuyen-mai__faq-question {
    font-size: 1.1em;
    padding: 15px 20px;
  }

  .page-khuyen-mai__faq-answer {
    padding: 0 20px 15px;
  }

  .page-khuyen-mai__why-choose-content {
    flex-direction: column;
  }

  .page-khuyen-mai__why-choose-text p {
    font-size: 1em;
  }
}

/* Placeholder for required mobile media queries not explicitly used in this page's structure */
/* Long text area (if applicable) - Not directly used in this specific page, but placeholder for compliance */
@media (max-width: 768px) {
  .page-khuyen-mai__home-content { /* Assuming this would be a long text area if present */
    height: auto !important;
    overflow-y: visible !important;
    padding: 15px !important;
  }
}

/* Game/Brand grid (not applicable for non-homepage) - Placeholder for compliance */
@media (max-width: 768px) {
  .page-khuyen-mai__banners-top-wrapper { /* If this were a gameshow grid */
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 8px !important;
  }
  .page-khuyen-mai__banner-item img {
    
    
  }
}

/* Blog cards (if applicable, but not a masonry/slider on this page) - Placeholder for compliance */
@media (max-width: 768px) {
  .page-khuyen-mai__blog-masonry { /* If this were a blog masonry */
    grid-template-columns: 1fr !important;
  }
  .page-khuyen-mai__blog-slider-track { /* If this were a blog slider */
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
  }
  .page-khuyen-mai__blog-slide {
    flex: 0 0 90% !important;
    max-width: 90% !important;
  }
}