/* Base Styles for Khuyến Mãi Page */
.page-khuyen-mai {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #1F2D3D; /* Text Main */
  background-color: #F4F7FB; /* Background */
}

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

.page-khuyen-mai__section {
  padding: 60px 0;
}

.page-khuyen-mai__section-title {
  font-size: 36px;
  font-weight: bold;
  color: #1F2D3D; /* Text Main */
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-khuyen-mai__section-subtitle {
  font-size: 18px;
  color: #1F2D3D;
  text-align: center;
  margin-bottom: 40px;
}

.page-khuyen-mai__text-block {
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 20px;
  text-align: justify;
  color: #1F2D3D;
}

.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary,
.page-khuyen-mai__card-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 16px;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
  max-width: 100%;
}

.page-khuyen-mai__btn-primary {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #FFFFFF;
  border: none;
  box-shadow: 0 4px 15px rgba(47, 107, 255, 0.3);
}

.page-khuyen-mai__btn-primary:hover {
  background: linear-gradient(180deg, #2F6BFF 0%, #4A8BFF 100%);
  box-shadow: 0 6px 20px rgba(47, 107, 255, 0.4);
}

.page-khuyen-mai__btn-secondary,
.page-khuyen-mai__card-button {
  background: #FFFFFF;
  color: #2F6BFF;
  border: 2px solid #2F6BFF;
  box-shadow: 0 2px 10px rgba(47, 107, 255, 0.1);
}

.page-khuyen-mai__btn-secondary:hover,
.page-khuyen-mai__card-button:hover {
  background: #E0EFFF;
  color: #2F6BFF;
  border-color: #2F6BFF;
  box-shadow: 0 4px 15px rgba(47, 107, 255, 0.2);
}

/* HERO Section */
.page-khuyen-mai__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding */
  background-color: #F4F7FB;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.page-khuyen-mai__hero-image-wrapper {
  width: 100%;
  max-height: 600px; /* Adjust as needed */
  overflow: hidden;
  position: relative;
}

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

.page-khuyen-mai__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 40px 20px 80px;
  background-color: #FFFFFF;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  margin-top: -80px; /* Overlap with image */
  margin-bottom: 40px;
}

.page-khuyen-mai__main-title {
  font-size: clamp(28px, 4vw, 48px); /* Responsive font size */
  font-weight: 900;
  color: #2F6BFF;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-khuyen-mai__hero-description {
  font-size: 18px;
  color: #1F2D3D;
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-khuyen-mai__hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Intro Section */
.page-khuyen-mai__intro-section {
  background-color: #F4F7FB;
  padding-top: 40px;
}

/* Promotion Types Section */
.page-khuyen-mai__promotion-types {
  background-color: #FFFFFF;
}

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

.page-khuyen-mai__promo-card {
  background-color: #FFFFFF;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  text-align: center;
  padding-bottom: 30px;
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid #D6E2FF; /* Border */
}

.page-khuyen-mai__promo-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  margin-bottom: 20px;
  display: block;
}

.page-khuyen-mai__card-title {
  font-size: 22px;
  font-weight: bold;
  color: #2F6BFF;
  margin-bottom: 15px;
  padding: 0 20px;
}

.page-khuyen-mai__card-description {
  font-size: 15px;
  color: #1F2D3D;
  padding: 0 20px;
  margin-bottom: 25px;
  flex-grow: 1;
  text-align: justify;
}

.page-khuyen-mai__card-button {
  margin: 0 auto;
  padding: 10px 25px;
  font-size: 15px;
  border-radius: 6px;
}

/* Terms and Conditions Section */
.page-khuyen-mai__terms-conditions {
  background-color: #F4F7FB;
}

.page-khuyen-mai__terms-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.page-khuyen-mai__terms-list li {
  background-color: #FFFFFF;
  border: 1px solid #D6E2FF;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 15px;
  font-size: 16px;
  color: #1F2D3D;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-khuyen-mai__terms-list li strong {
  color: #2F6BFF;
}

/* How to Claim Section */
.page-khuyen-mai__how-to-claim {
  background-color: #FFFFFF;
}

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

.page-khuyen-mai__step-item {
  background-color: #F4F7FB;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  position: relative;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  border: 1px solid #D6E2FF;
}

.page-khuyen-mai__step-number {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #FFFFFF;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: bold;
  box-shadow: 0 5px 15px rgba(47, 107, 255, 0.4);
}

.page-khuyen-mai__step-title {
  font-size: 20px;
  font-weight: bold;
  color: #2F6BFF;
  margin-top: 20px;
  margin-bottom: 10px;
}

.page-khuyen-mai__step-description {
  font-size: 15px;
  color: #1F2D3D;
}

.page-khuyen-mai__cta-bottom {
  text-align: center;
  margin-top: 60px;
}

/* Tips Section */
.page-khuyen-mai__tips-section {
  background-color: #F4F7FB;
}

.page-khuyen-mai__tips-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.page-khuyen-mai__tips-list li {
  background-color: #FFFFFF;
  border: 1px solid #D6E2FF;
  border-left: 5px solid #2F6BFF;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 15px;
  font-size: 16px;
  color: #1F2D3D;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-khuyen-mai__tips-list li strong {
  color: #000000; /* Custom Color_1776249996415 */
}

/* Why Choose Us Section */
.page-khuyen-mai__why-choose-us {
  background-color: #2F6BFF; /* Main Color */
  color: #FFFFFF;
}

.page-khuyen-mai__why-choose-us .page-khuyen-mai__section-title,
.page-khuyen-mai__why-choose-us .page-khuyen-mai__text-block {
  color: #FFFFFF;
}

.page-khuyen-mai__advantages-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.page-khuyen-mai__advantages-list li {
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  padding: 20px;
  font-size: 16px;
  color: #FFFFFF;
  border: 1px solid #A5C4FF; /* Glow */
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai__advantages-list li strong {
  color: #FFFFFF;
}

/* FAQ Section */
details.page-khuyen-mai__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #D6E2FF; /* Border */
  overflow: hidden;
  background: #fff;
}
details.page-khuyen-mai__faq-item summary.page-khuyen-mai__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
  background-color: #FFFFFF;
}
details.page-khuyen-mai__faq-item summary.page-khuyen-mai__faq-question::-webkit-details-marker {
  display: none;
}
details.page-khuyen-mai__faq-item summary.page-khuyen-mai__faq-question:hover {
  background: #f5f5f5;
}
.page-khuyen-mai__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #1F2D3D;
}
.page-khuyen-mai__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #2F6BFF;
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-khuyen-mai__faq-item .page-khuyen-mai__faq-answer {
  padding: 0 20px 20px;
  background: #F4F7FB; /* Background */
  border-radius: 0 0 5px 5px;
  color: #1F2D3D;
}

.page-khuyen-mai__faq-cta {
  text-align: center;
  margin-top: 40px;
  font-size: 16px;
  color: #1F2D3D;
}

.page-khuyen-mai__contact-link {
  color: #2F6BFF;
  text-decoration: none;
  font-weight: bold;
}

.page-khuyen-mai__contact-link:hover {
  text-decoration: underline;
}

/* Conclusion Section */
.page-khuyen-mai__conclusion-section {
  background-color: #2F6BFF; /* Main Color */
  color: #FFFFFF;
  text-align: center;
}

.page-khuyen-mai__conclusion-section .page-khuyen-mai__section-title,
.page-khuyen-mai__conclusion-section .page-khuyen-mai__text-block {
  color: #FFFFFF;
}

.page-khuyen-mai__final-cta {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* General Image Responsiveness */
.page-khuyen-mai img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Media Queries for Responsiveness */

/* For screens smaller than 1024px (tablet) */
@media (max-width: 1024px) {
  .page-khuyen-mai__container {
    padding: 20px 30px;
  }

  .page-khuyen-mai__section-title {
    font-size: 32px;
  }

  .page-khuyen-mai__hero-content {
    margin-top: -60px;
    padding: 30px 20px 60px;
  }

  .page-khuyen-mai__main-title {
    font-size: clamp(26px, 5vw, 42px);
  }

  .page-khuyen-mai__hero-description {
    font-size: 16px;
  }

  .page-khuyen-mai__promotion-grid,
  .page-khuyen-mai__steps-grid,
  .page-khuyen-mai__advantages-list {
    gap: 20px;
  }

  .page-khuyen-mai__promo-card {
    padding-bottom: 20px;
  }

  .page-khuyen-mai__promo-image {
    height: 180px;
  }

  .page-khuyen-mai__card-title {
    font-size: 20px;
  }

  .page-khuyen-mai__card-description {
    font-size: 14px;
  }

  .page-khuyen-mai__step-item {
    padding: 25px;
  }

  .page-khuyen-mai__step-title {
    font-size: 18px;
  }

  .page-khuyen-mai__terms-list li,
  .page-khuyen-mai__tips-list li,
  .page-khuyen-mai__advantages-list li {
    padding: 18px;
    font-size: 15px;
  }

  .page-khuyen-mai__faq-qtext {
    font-size: 15px;
  }

  .page-khuyen-mai__btn-primary,
  .page-khuyen-mai__btn-secondary,
  .page-khuyen-mai__card-button {
    padding: 12px 25px;
    font-size: 15px;
  }
}

/* For screens smaller than 849px (specific for hero image object-fit) */
@media (max-width: 849px) {
  .page-khuyen-mai__hero-image {
    object-fit: contain !important;
    aspect-ratio: unset !important;
    height: auto;
    max-height: 400px; /* Limit height for contain */
  }
  .page-khuyen-mai__hero-content {
    margin-top: -40px;
    padding: 25px 15px 50px;
  }
}

/* For screens smaller than 768px (mobile) */
@media (max-width: 768px) {
  .page-khuyen-mai__section {
    padding: 40px 0;
  }

  .page-khuyen-mai__container {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-khuyen-mai__section-title {
    font-size: 28px;
    margin-bottom: 15px;
  }

  .page-khuyen-mai__section-subtitle {
    font-size: 16px;
    margin-bottom: 30px;
  }

  .page-khuyen-mai__text-block {
    font-size: 15px;
    text-align: left;
  }

  /* HERO 主图区域 */
  .page-khuyen-mai__hero-section {
    padding-top: 10px; /* Small top padding */
  }
  .page-khuyen-mai__hero-image-wrapper {
    max-height: 300px;
  }
  .page-khuyen-mai__hero-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    object-fit: contain !important;
    aspect-ratio: unset !important;
  }
  .page-khuyen-mai__hero-content {
    margin-top: -30px;
    padding: 20px 15px 40px;
    border-radius: 10px;
  }
  .page-khuyen-mai__main-title {
    font-size: clamp(24px, 7vw, 36px);
    margin-bottom: 15px;
  }
  .page-khuyen-mai__hero-description {
    font-size: 15px;
    margin-bottom: 25px;
  }
  .page-khuyen-mai__hero-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 15px;
    box-sizing: border-box !important;
  }

  /* 产品展示图区域 (Promotion Grid) */
  .page-khuyen-mai__promotion-grid {
    grid-template-columns: 1fr;
    gap: 25px;
    overflow-x: hidden !important;
  }
  .page-khuyen-mai__promo-card {
    padding-bottom: 25px;
  }
  .page-khuyen-mai__promo-image {
    height: 160px;
  }
  .page-khuyen-mai__card-title {
    font-size: 18px;
  }
  .page-khuyen-mai__card-description {
    font-size: 14px;
  }
  .page-khuyen-mai__card-button {
    width: calc(100% - 40px);
    max-width: 100% !important;
    padding: 10px 15px;
    font-size: 14px;
  }

  /* 装饰主标题 + 长文 SEO 区 (General text blocks and lists) */
  .page-khuyen-mai__intro-section .page-khuyen-mai__text-block,
  .page-khuyen-mai__terms-conditions .page-khuyen-mai__text-block,
  .page-khuyen-mai__how-to-claim .page-khuyen-mai__text-block,
  .page-khuyen-mai__tips-section .page-khuyen-mai__text-block,
  .page-khuyen-mai__why-choose-us .page-khuyen-mai__text-block,
  .page-khuyen-mai__conclusion-section .page-khuyen-mai__text-block {
    padding: 0 15px;
    box-sizing: border-box;
    max-width: 100%;
    width: 100%;
  }
  .page-khuyen-mai__terms-list,
  .page-khuyen-mai__tips-list,
  .page-khuyen-mai__advantages-list {
    padding: 0 15px;
    box-sizing: border-box;
    max-width: 100%;
    width: 100%;
  }
  .page-khuyen-mai__terms-list li,
  .page-khuyen-mai__tips-list li,
  .page-khuyen-mai__advantages-list li {
    padding: 15px;
    font-size: 14px;
  }

  /*通用图片与容器*/
  .page-khuyen-mai img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-khuyen-mai__section,
  .page-khuyen-mai__card,
  .page-khuyen-mai__container,
  .page-khuyen-mai__hero-image-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

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

  /* How to Claim Steps */
  .page-khuyen-mai__steps-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 0 15px;
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
  }
  .page-khuyen-mai__step-item {
    padding: 25px;
  }
  .page-khuyen-mai__step-number {
    width: 45px;
    height: 45px;
    font-size: 20px;
  }
  .page-khuyen-mai__step-title {
    font-size: 17px;
    margin-top: 15px;
  }
  .page-khuyen-mai__step-description {
    font-size: 14px;
  }

  /* FAQ Section */
  details.page-khuyen-mai__faq-item summary.page-khuyen-mai__faq-question {
    padding: 15px;
  }
  .page-khuyen-mai__faq-qtext {
    font-size: 14px;
  }
  .page-khuyen-mai__faq-toggle {
    font-size: 20px;
    width: 24px;
    margin-left: 10px;
  }
  details.page-khuyen-mai__faq-item .page-khuyen-mai__faq-answer {
    padding: 0 15px 15px;
  }
  .page-khuyen-mai__faq-cta {
    font-size: 14px;
  }
}