:root {
  --page-khuyen-mai-primary-color: #26A9E0;
  --page-khuyen-mai-secondary-color: #FFFFFF;
  --page-khuyen-mai-text-dark: #333333;
  --page-khuyen-mai-text-light: #ffffff;
  --page-khuyen-mai-login-color: #EA7C07;
  --page-khuyen-mai-background-color: #FFFFFF;
  --page-khuyen-mai-black-color: #000000;
  --header-offset: 122px; /* Default value, assumed to be set by shared.css */
}

/* Base styles for the page */
.page-khuyen-mai {
  font-family: Arial, sans-serif;
  color: var(--page-khuyen-mai-text-dark); /* Default text color for light background */
  background-color: var(--page-khuyen-mai-background-color);
  line-height: 1.6;
}

/* Hero Section */
.page-khuyen-mai__hero-section {
  position: relative;
  overflow: hidden;
  padding-top: 10px; /* Small top padding, assuming body handles header offset */
  background-color: var(--page-khuyen-mai-black-color); /* Dark background for hero section */
}

.page-khuyen-mai__hero-image-wrapper {
  width: 100%;
  height: auto;
  overflow: hidden;
}

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

.page-khuyen-mai__hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  text-align: center;
  color: var(--page-khuyen-mai-text-light); /* Light text on dark hero section */
}

.page-khuyen-mai__hero-title {
  font-size: clamp(2em, 4vw, 2.8em); /* Use clamp for H1 font size */
  font-weight: bold;
  margin-bottom: 20px;
  color: var(--page-khuyen-mai-secondary-color);
  line-height: 1.2;
}

.page-khuyen-mai__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-khuyen-mai__hero-cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
}

/* General Section Styles */
.page-khuyen-mai__content-section {
  padding: 60px 20px;
  text-align: center;
}

.page-khuyen-mai__dark-bg {
  background-color: var(--page-khuyen-mai-primary-color);
  color: var(--page-khuyen-mai-text-light);
}

.page-khuyen-mai__light-bg {
  background-color: var(--page-khuyen-mai-background-color);
  color: var(--page-khuyen-mai-text-dark);
}

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

.page-khuyen-mai__section-title {
  font-size: 2.2em;
  font-weight: bold;
  margin-bottom: 30px;
  color: inherit; /* Inherit color from parent section */
}

.page-khuyen-mai__text-block {
  font-size: 1.1em;
  margin-bottom: 20px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

/* Promotion Types Grid */
.page-khuyen-mai__promo-types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
  text-align: left;
}

.page-khuyen-mai__promo-type-card {
  background-color: var(--page-khuyen-mai-secondary-color);
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  padding: 25px;
  display: flex;
  flex-direction: column;
  height: 100%;
  color: var(--page-khuyen-mai-text-dark);
}

.page-khuyen-mai__promo-type-card img {
  width: 100%;
  height: auto;
  min-height: 200px; /* Ensure minimum size */
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block; /* Ensure it behaves as a block element for max-width */
}

.page-khuyen-mai__promo-type-title {
  font-size: 1.6em;
  font-weight: bold;
  margin-bottom: 15px;
  color: var(--page-khuyen-mai-primary-color);
}

.page-khuyen-mai__promo-type-description {
  font-size: 1em;
  margin-bottom: 20px;
  flex-grow: 1; /* Allow description to take available space */
}

/* Steps List */
.page-khuyen-mai__steps-list {
  list-style-type: decimal;
  text-align: left;
  max-width: 900px;
  margin: 30px auto;
  padding-left: 25px;
}

.page-khuyen-mai__steps-list li {
  font-size: 1.1em;
  margin-bottom: 15px;
  padding-left: 10px;
}

.page-khuyen-mai__steps-list strong {
  color: var(--page-khuyen-mai-primary-color);
}

/* Terms List */
.page-khuyen-mai__terms-list {
  list-style-type: disc;
  text-align: left;
  max-width: 900px;
  margin: 30px auto;
  padding-left: 25px;
  color: var(--page-khuyen-mai-text-light);
}

.page-khuyen-mai__terms-list li {
  font-size: 1.1em;
  margin-bottom: 10px;
  padding-left: 10px;
}

.page-khuyen-mai__text-link {
  color: var(--page-khuyen-mai-secondary-color);
  text-decoration: underline;
}

.page-khuyen-mai__text-link:hover {
  color: var(--page-khuyen-mai-login-color);
}

/* FAQ Section */
.page-khuyen-mai__faq-list {
  max-width: 900px;
  margin: 40px auto;
  text-align: left;
}

.page-khuyen-mai__faq-item {
  background-color: var(--page-khuyen-mai-secondary-color);
  border-radius: 8px;
  margin-bottom: 15px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  color: var(--page-khuyen-mai-text-dark);
}

.page-khuyen-mai__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  font-weight: bold;
  font-size: 1.1em;
  color: var(--page-khuyen-mai-primary-color);
  list-style: none; /* Hide default marker for details summary */
}

/* Hide default marker for Webkit browsers */
.page-khuyen-mai__faq-item summary::-webkit-details-marker {
  display: none;
}

.page-khuyen-mai__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  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 25px;
  font-size: 1em;
  line-height: 1.5;
}

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

.page-khuyen-mai__cta-faq {
  margin-top: 40px;
}

/* Final CTA Section */
.page-khuyen-mai__final-cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* Buttons */
.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary,
.page-khuyen-mai__btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 30px;
  border-radius: 5px;
  font-weight: bold;
  text-decoration: none;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  cursor: pointer;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
  box-sizing: border-box;
  max-width: 100%; /* Ensure button doesn't overflow */
}

.page-khuyen-mai__btn-primary {
  background-color: var(--page-khuyen-mai-primary-color);
  color: var(--page-khuyen-mai-text-light);
  border: 2px solid var(--page-khuyen-mai-primary-color);
}

.page-khuyen-mai__btn-primary:hover {
  background-color: #1e87b6; /* Manually darkened */
  border-color: #1e87b6; /* Manually darkened */
}

.page-khuyen-mai__btn-secondary {
  background-color: transparent;
  color: var(--page-khuyen-mai-primary-color);
  border: 2px solid var(--page-khuyen-mai-primary-color);
}

.page-khuyen-mai__btn-secondary:hover {
  background-color: var(--page-khuyen-mai-primary-color);
  color: var(--page-khuyen-mai-text-light);
}

.page-khuyen-mai__btn-outline {
  background-color: transparent;
  color: var(--page-khuyen-mai-primary-color);
  border: 2px solid var(--page-khuyen-mai-primary-color);
  margin-top: auto; /* Push to bottom of card */
}

.page-khuyen-mai__btn-outline:hover {
  background-color: var(--page-khuyen-mai-primary-color);
  color: var(--page-khuyen-mai-text-light);
}

/* Placeholder for game/blog sliders, banners - required by prompt */
/* These sections are NOT present in the HTML for khuyen-mai.html */
/* but their CSS media queries are required to be outputted */

.page-khuyen-mai__row-games,
.page-khuyen-mai__row-sport,
.page-khuyen-mai__row-coop {
  background-color: #1A202C;
  padding: 40px 20px;
  max-width: 1330px;
  margin: 0 auto;
}

.page-khuyen-mai__games-title,
.page-khuyen-mai__sport-title,
.page-khuyen-mai__coop-title {
  color: #fff;
  text-align: center;
}

.page-khuyen-mai__slider-wrapper {
  overflow: hidden;
}

.page-khuyen-mai__slider-track {
  display: flex;
  flex-wrap: nowrap;
  gap: 16px;
}

.page-khuyen-mai__game-slide {
  flex: 0 0 200px;
  max-width: 200px;
}

.page-khuyen-mai__banners-top-wrapper {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  max-width: 900px;
  margin: 0 auto;
}

.page-khuyen-mai__banner-item img {
  
  
  object-fit: contain;
  margin: 0 auto;
  display: block;
}

.page-khuyen-mai__blog-masonry { /* This will be used for promo-types-grid */
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

.page-khuyen-mai__blog-card-link { /* Generic link for cards */
  display: flex;
  flex-direction: column;
  height: 100%;
}

.page-khuyen-mai__btn-outline { /* Already defined above */
  margin-top: auto;
}

.page-khuyen-mai__blog-slider-track {
  display: flex;
  flex-wrap: nowrap;
  gap: 20px;
}

.page-khuyen-mai__blog-slide {
  flex: 0 0 calc(33.333% - 14px);
  max-width: calc(33.333% - 14px);
}


/* --- Responsive Styles --- */
@media (max-width: 1024px) {
  .page-khuyen-mai__hero-content {
    padding: 30px 15px;
  }
  .page-khuyen-mai__hero-title {
    font-size: clamp(1.8em, 4.5vw, 2.5em);
  }
  .page-khuyen-mai__section-title {
    font-size: 2em;
  }
  .page-khuyen-mai__promo-types-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}


@media (max-width: 768px) {
  /* 1. HERO 主图区域 */
  .page-khuyen-mai__hero-section {
    padding-top: 10px;
  }
  .page-khuyen-mai__hero-content {
    padding: 20px 15px;
  }
  .page-khuyen-mai__hero-title {
    font-size: clamp(1.5em, 7vw, 2.2em) !important;
    margin-bottom: 15px;
  }
  .page-khuyen-mai__hero-description {
    font-size: 1em;
    margin-bottom: 20px;
  }
  .page-khuyen-mai__hero-cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  /* 2. 长文金框区 (General Content Sections) */
  .page-khuyen-mai__content-section {
    padding: 40px 15px;
  }
  .page-khuyen-mai__section-title {
    font-size: 1.8em;
    margin-bottom: 25px;
  }
  .page-khuyen-mai__text-block,
  .page-khuyen-mai__steps-list li,
  .page-khuyen-mai__terms-list li,
  .page-khuyen-mai__faq-answer {
    font-size: 0.95em;
  }
  .page-khuyen-mai__container {
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box;
    width: 100% !important;
    max-width: 100% !important;
  }

  /* 3. 游戏轮播 (Required by prompt, even if not in HTML for this page) */
  .page-khuyen-mai__slider-track {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 10px;
    justify-content: flex-start;
  }
  .page-khuyen-mai__game-slide {
    flex: 0 0 160px !important;
    max-width: 160px !important;
  }
  .page-khuyen-mai__slider-wrapper {
    width: 100% !important;
    max-width: 100% !important;
    overflow: hidden !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 4. 合作品牌六宫格 (Required by prompt, even if not in HTML for this page) */
  .page-khuyen-mai__banners-top-wrapper {
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 10px !important;
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box;
    width: 100% !important;
    max-width: 100% !important;
    overflow: hidden !important;
  }
  .page-khuyen-mai__banner-item img {
    
    
  }

  /* 5. 博客卡片区 (Promotions cards using blog-like layout) */
  .page-khuyen-mai__promo-types-grid {
    grid-template-columns: 1fr !important;
    gap: 20px;
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box;
    width: 100% !important;
    max-width: 100% !important;
  }
  .page-khuyen-mai__promo-type-card {
    padding: 20px;
  }
  .page-khuyen-mai__promo-type-card img {
    max-width: 100% !important;
    height: auto !important;
    min-
  }
  /* For blog masonry (if used generally) */
  .page-khuyen-mai__blog-masonry {
    grid-template-columns: 1fr !important;
    gap: 20px;
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box;
    width: 100% !important;
    max-width: 100% !important;
  }
  .page-khuyen-mai__blog-slide {
    flex: 0 0 100% !important;
    max-width: 100% !important;
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box;
  }
  .page-khuyen-mai__blog-slider-track {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 10px;
    justify-content: flex-start;
  }

  /* 6. 通用图片与容器 */
  .page-khuyen-mai img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-khuyen-mai__section,
  .page-khuyen-mai__card,
  .page-khuyen-mai__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  /* Ensure no horizontal overflow */
  .page-khuyen-mai {
    overflow-x: hidden;
  }

  /* 7. 按钮与按钮容器 */
  .page-khuyen-mai__btn-primary,
  .page-khuyen-mai__btn-secondary,
  .page-khuyen-mai__btn-outline,
  .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__hero-cta-buttons,
  .page-khuyen-mai__final-cta-buttons,
  .page-khuyen-mai__cta-buttons,
  .page-khuyen-mai__button-group,
  .page-khuyen-mai__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-direction: column !important;
    gap: 15px !important;
  }

  /* FAQ specific mobile styles */
  .page-khuyen-mai__faq-item {
    margin-left: 0;
    margin-right: 0;
  }
  .page-khuyen-mai__faq-question {
    padding: 15px 20px;
    font-size: 1em;
  }
  .page-khuyen-mai__faq-answer {
    padding: 0 20px 15px 20px;
  }
}