.page-khuyen-mai-hoan-tra {
  font-family: Arial, sans-serif;
  color: #F2FFF6; /* Text Main */
  background-color: #08160F; /* Background */
}

.page-khuyen-mai-hoan-tra__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  box-sizing: border-box;
}

.page-khuyen-mai-hoan-tra__section-title {
  font-size: 2.5em;
  font-weight: bold;
  text-align: center;
  margin-bottom: 40px;
  color: #F2FFF6; /* Text Main */
}

.page-khuyen-mai-hoan-tra__section-description {
  font-size: 1.1em;
  text-align: center;
  margin-bottom: 40px;
  color: #A7D9B8; /* Text Secondary */
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-khuyen-mai-hoan-tra__btn-primary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); /* Button */
  color: #F2FFF6;
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  transition: background 0.3s ease;
  border: none;
  cursor: pointer;
  box-sizing: border-box;
}

.page-khuyen-mai-hoan-tra__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
}

.page-khuyen-mai-hoan-tra__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  background: transparent;
  color: #57E38D; /* Glow */
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  transition: color 0.3s ease, border-color 0.3s ease;
  border: 2px solid #57E38D;
  cursor: pointer;
  box-sizing: border-box;
}

.page-khuyen-mai-hoan-tra__btn-secondary:hover {
  color: #F2FFF6;
  border-color: #F2FFF6;
}

.page-khuyen-mai-hoan-tra__btn-text {
  display: inline-block;
  color: #57E38D; /* Glow */
  text-decoration: none;
  font-weight: bold;
  margin-top: 15px;
  transition: color 0.3s ease;
}

.page-khuyen-mai-hoan-tra__btn-text:hover {
  color: #F2FFF6;
}

.page-khuyen-mai-hoan-tra img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}

/* HERO Section */
.page-khuyen-mai-hoan-tra__hero-section {
  padding-top: 10px; /* Fixed small top padding */
  padding-bottom: 60px;
  background-color: #08160F; /* Background */
}

.page-khuyen-mai-hoan-tra__hero-container {
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 40px 20px;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
}

.page-khuyen-mai-hoan-tra__hero-content {
  flex: 1;
  min-width: 300px;
}

.page-khuyen-mai-hoan-tra__hero-title {
  font-size: 3em;
  font-weight: bold;
  margin-bottom: 20px;
  color: #F2FFF6; /* Text Main */
  line-height: 1.2;
}

.page-khuyen-mai-hoan-tra__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: #A7D9B8; /* Text Secondary */
  line-height: 1.5;
}

.page-khuyen-mai-hoan-tra__hero-cta-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.page-khuyen-mai-hoan-tra__hero-image-wrapper {
  flex: 1;
  min-width: 400px;
  text-align: center;
}

.page-khuyen-mai-hoan-tra__hero-image {
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Intro Section */
.page-khuyen-mai-hoan-tra__intro-section {
  padding: 60px 0;
  background-color: #08160F; /* Background */
}

.page-khuyen-mai-hoan-tra__intro-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.page-khuyen-mai-hoan-tra__intro-content p {
  font-size: 1.1em;
  line-height: 1.6;
  color: #A7D9B8; /* Text Secondary */
  max-width: 900px;
  text-align: center;
}

.page-khuyen-mai-hoan-tra__intro-image {
  max-width: 700px;
  border: 1px solid #2E7A4E; /* Border */
}

/* Promo List Section */
.page-khuyen-mai-hoan-tra__promo-list-section {
  padding: 60px 0;
  background-color: #08160F; /* Background */
}

.page-khuyen-mai-hoan-tra__promo-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-khuyen-mai-hoan-tra__promo-card {
  background-color: #11271B; /* Card BG */
  border-radius: 12px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid #2E7A4E; /* Border */
}

.page-khuyen-mai-hoan-tra__promo-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  border: 1px solid #1E3A2A; /* Divider */
}

.page-khuyen-mai-hoan-tra__promo-card-title {
  font-size: 1.5em;
  font-weight: bold;
  margin-bottom: 10px;
  color: #F2FFF6; /* Text Main */
}

.page-khuyen-mai-hoan-tra__promo-card-description {
  font-size: 1em;
  color: #A7D9B8; /* Text Secondary */
  line-height: 1.5;
  margin-bottom: 20px;
}

/* Benefits Section */
.page-khuyen-mai-hoan-tra__benefits-section {
  padding: 60px 0;
  background-color: #08160F; /* Background */
}

.page-khuyen-mai-hoan-tra__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.page-khuyen-mai-hoan-tra__benefit-item {
  background-color: #11271B; /* Card BG */
  border-radius: 12px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid #2E7A4E; /* Border */
}

.page-khuyen-mai-hoan-tra__benefit-icon {
  font-size: 3em;
  margin-bottom: 15px;
  color: #F2C14E; /* Gold */
}

.page-khuyen-mai-hoan-tra__icon-text {
  display: block;
}

.page-khuyen-mai-hoan-tra__benefit-title {
  font-size: 1.4em;
  font-weight: bold;
  margin-bottom: 10px;
  color: #F2FFF6; /* Text Main */
}

.page-khuyen-mai-hoan-tra__benefit-description {
  font-size: 0.95em;
  color: #A7D9B8; /* Text Secondary */
  line-height: 1.5;
}

.page-khuyen-mai-hoan-tra__benefits-image {
  max-width: 800px;
  margin: 0 auto;
  border: 1px solid #2E7A4E; /* Border */
}

/* Guide Section */
.page-khuyen-mai-hoan-tra__guide-section {
  padding: 60px 0;
  background-color: #08160F; /* Background */
}

.page-khuyen-mai-hoan-tra__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.page-khuyen-mai-hoan-tra__guide-item {
  background-color: #11271B; /* Card BG */
  border-radius: 12px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid #2E7A4E; /* Border */
}

.page-khuyen-mai-hoan-tra__step-number {
  font-size: 2.5em;
  font-weight: bold;
  color: #57E38D; /* Glow */
  margin-bottom: 10px;
  display: block;
}

.page-khuyen-mai-hoan-tra__step-title {
  font-size: 1.4em;
  font-weight: bold;
  margin-bottom: 10px;
  color: #F2FFF6; /* Text Main */
}

.page-khuyen-mai-hoan-tra__step-description {
  font-size: 0.95em;
  color: #A7D9B8; /* Text Secondary */
  line-height: 1.5;
}

.page-khuyen-mai-hoan-tra__guide-image {
  max-width: 800px;
  margin: 0 auto;
  border: 1px solid #2E7A4E; /* Border */
}

/* FAQ Section */
.page-khuyen-mai-hoan-tra__faq-section {
  padding: 60px 0;
  background-color: #08160F; /* Background */
}

.page-khuyen-mai-hoan-tra__faq-list {
  max-width: 900px;
  margin: 0 auto 40px;
}

.page-khuyen-mai-hoan-tra__faq-item {
  background-color: #11271B; /* Card BG */
  border-radius: 8px;
  margin-bottom: 15px;
  border: 1px solid #2E7A4E; /* Border */
  overflow: hidden;
}

.page-khuyen-mai-hoan-tra__faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.1em;
  font-weight: bold;
  color: #F2FFF6; /* Text Main */
  position: relative;
}

.page-khuyen-mai-hoan-tra__faq-item summary::-webkit-details-marker {
  display: none;
}

.page-khuyen-mai-hoan-tra__faq-qtext {
  flex-grow: 1;
  padding-right: 15px;
}

.page-khuyen-mai-hoan-tra__faq-toggle {
  font-size: 1.5em;
  color: #57E38D; /* Glow */
  transition: transform 0.3s ease;
}

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

.page-khuyen-mai-hoan-tra__faq-answer {
  padding: 0 25px 20px;
  font-size: 1em;
  color: #A7D9B8; /* Text Secondary */
  line-height: 1.6;
}

.page-khuyen-mai-hoan-tra__faq-image {
  max-width: 800px;
  margin: 0 auto;
  border: 1px solid #2E7A4E; /* Border */
}

/* Call to Action Section */
.page-khuyen-mai-hoan-tra__call-to-action-section {
  padding: 60px 0;
  text-align: center;
  background-color: #0A4B2C; /* Deep Green */
}

.page-khuyen-mai-hoan-tra__call-to-action-section .page-khuyen-mai-hoan-tra__section-title,
.page-khuyen-mai-hoan-tra__call-to-action-section .page-khuyen-mai-hoan-tra__section-description {
  color: #F2FFF6;
}

.page-khuyen-mai-hoan-tra__btn-large {
  padding: 18px 35px;
  font-size: 1.2em;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-khuyen-mai-hoan-tra__hero-title {
    font-size: 2.5em;
  }
  .page-khuyen-mai-hoan-tra__hero-description {
    font-size: 1.1em;
  }
  .page-khuyen-mai-hoan-tra__section-title {
    font-size: 2em;
  }
  .page-khuyen-mai-hoan-tra__promo-card-title {
    font-size: 1.3em;
  }
}

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

  .page-khuyen-mai-hoan-tra__container,
  .page-khuyen-mai-hoan-tra__hero-container {
    padding-left: 15px !important;
    padding-right: 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* HERO Section Mobile */
  .page-khuyen-mai-hoan-tra__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
  }

  .page-khuyen-mai-hoan-tra__hero-container {
    flex-direction: column;
    text-align: center;
    gap: 30px;
  }

  .page-khuyen-mai-hoan-tra__hero-content,
  .page-khuyen-mai-hoan-tra__hero-image-wrapper {
    min-width: unset;
    width: 100%;
  }

  .page-khuyen-mai-hoan-tra__hero-title {
    font-size: 2em;
    margin-bottom: 15px;
  }

  .page-khuyen-mai-hoan-tra__hero-description {
    font-size: 1em;
    margin-bottom: 25px;
  }

  .page-khuyen-mai-hoan-tra__hero-cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  /* Buttons Mobile */
  .page-khuyen-mai-hoan-tra__btn-primary,
  .page-khuyen-mai-hoan-tra__btn-secondary,
  .page-khuyen-mai-hoan-tra a[class*="button"],
  .page-khuyen-mai-hoan-tra 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-hoan-tra__hero-cta-buttons,
  .page-khuyen-mai-hoan-tra__button-group,
  .page-khuyen-mai-hoan-tra__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0px;
    padding-right: 0px;
    flex-wrap: wrap !important;
    gap: 15px;
  }
  
  .page-khuyen-mai-hoan-tra__hero-cta-buttons {
    display: flex;
    flex-direction: column;
  }

  /* General Images Mobile */
  .page-khuyen-mai-hoan-tra img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  /* Intro Section Mobile */
  .page-khuyen-mai-hoan-tra__intro-content p {
    text-align: left;
  }

  /* Promo List Section Mobile */
  .page-khuyen-mai-hoan-tra__promo-cards {
    grid-template-columns: 1fr;
  }

  /* Benefits Section Mobile */
  .page-khuyen-mai-hoan-tra__benefits-grid {
    grid-template-columns: 1fr;
  }

  /* Guide Section Mobile */
  .page-khuyen-mai-hoan-tra__guide-steps {
    grid-template-columns: 1fr;
  }

  /* FAQ Section Mobile */
  .page-khuyen-mai-hoan-tra__faq-item summary {
    font-size: 1em;
    padding: 15px 20px;
  }

  .page-khuyen-mai-hoan-tra__faq-answer {
    padding: 0 20px 15px;
  }

  .page-khuyen-mai-hoan-tra__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }

  .page-khuyen-mai-hoan-tra__section-description {
    font-size: 1em;
    margin-bottom: 30px;
  }

  .page-khuyen-mai-hoan-tra__promo-card-image {
    height: 180px;
  }

  .page-khuyen-mai-hoan-tra__promo-card-title {
    font-size: 1.2em;
  }

  .page-khuyen-mai-hoan-tra__benefit-icon {
    font-size: 2.5em;
  }

  .page-khuyen-mai-hoan-tra__step-number {
    font-size: 2em;
  }

  .page-khuyen-mai-hoan-tra__btn-large {
    font-size: 1.1em;
    padding: 15px 25px;
  }

  /* No specific feature/icon-box-media for this page, but if it existed, it would be here */
  /* The "Mobile @media (max-width: 768px)必写清单" items for this page are handled above: */
  /* 1. HERO双栏: page-khuyen-mai-hoan-tra__hero-section -> handled */
  /* 2. 模块1三栏正圆图: Not applicable for this page (no feature type images) */
  /* 3. 七Tab游戏区: Not applicable for this page (no game tabs) */
  /* 4. 教程长文/促销/信任/FAQ/intro排版: Intro, Promo List, Benefits, Guide, FAQ, CTA sections -> handled with general section/container padding and font adjustments */
  /* 5. 通用图片与容器: page-khuyen-mai-hoan-tra img -> handled */
  /* 6. 按钮与按钮容器: page-khuyen-mai-hoan-tra__btn-primary, __btn-secondary, etc. -> handled */
}