.page-promotions {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #1F2D3D; /* Text Main */
  background-color: #F4F7FB; /* Background */
}

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

.page-promotions__hero-section {
  position: relative;
  overflow: hidden;
  padding-top: 10px; /* Small top padding, assuming body handles --header-offset */
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
}

.page-promotions__hero-image-wrapper {
  width: 100%;
  max-height: 600px;
  overflow: hidden;
}

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

.page-promotions__hero-content {
  padding: 60px 20px;
  text-align: center;
  background: linear-gradient(180deg, #2F6BFF 0%, #6FA3FF 100%); /* Main color as background */
  color: #ffffff; /* White text for contrast */
}

.page-promotions__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: #ffffff;
}

.page-promotions__subtitle {
  font-size: clamp(1rem, 1.8vw, 1.3rem);
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: #f0f0f0;
}

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

.page-promotions__btn-primary,
.page-promotions__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-promotions__btn-primary {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); /* Button color */
  color: #ffffff;
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(47, 107, 255, 0.4);
}

.page-promotions__btn-primary:hover {
  background: linear-gradient(180deg, #2F6BFF 0%, #4A8BFF 100%);
  box-shadow: 0 6px 20px rgba(47, 107, 255, 0.6);
}

.page-promotions__btn-secondary {
  background: #ffffff; /* Card BG */
  color: #2F6BFF; /* Main color */
  border: 2px solid #2F6BFF;
}

.page-promotions__btn-secondary:hover {
  background: #f0f0f0;
  color: #255ad9;
  border-color: #255ad9;
}

.page-promotions__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: #1F2D3D; /* Text Main */
}

.page-promotions__section-description {
  font-size: 1.1rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 50px auto;
  color: #1F2D3D;
}

.page-promotions__why-choose-section {
  padding: 80px 0;
  background-color: #F4F7FB; /* Background */
  color: #1F2D3D;
}

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

.page-promotions__feature-card {
  background: #ffffff; /* Card BG */
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #D6E2FF; /* Border */
}

.page-promotions__feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.page-promotions__feature-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 25px;
  display: block;
}

.page-promotions__feature-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: #2F6BFF; /* Main color */
}

.page-promotions__feature-description {
  font-size: 1rem;
  color: #1F2D3D;
}

.page-promotions__highlight-promos-section {
  padding: 80px 0;
  background: linear-gradient(180deg, #2F6BFF 0%, #6FA3FF 100%); /* Main color as background */
  color: #ffffff;
}

.page-promotions__highlight-promos-section .page-promotions__section-title,
.page-promotions__highlight-promos-section .page-promotions__section-description {
  color: #ffffff;
}

.page-promotions__promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
}

.page-promotions__promo-card {
  background: #ffffff; /* Card BG */
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid #D6E2FF; /* Border */
}

.page-promotions__promo-image {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}

.page-promotions__promo-content {
  padding: 30px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  color: #1F2D3D;
}

.page-promotions__promo-title {
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: #2F6BFF; /* Main color */
}

.page-promotions__promo-description {
  font-size: 1rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-promotions__promo-details-list {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 25px;
  font-size: 0.95rem;
  color: #1F2D3D;
}

.page-promotions__promo-details-list li {
  margin-bottom: 8px;
}

.page-promotions__promo-content .page-promotions__btn-primary {
  margin-top: auto; /* Push button to bottom */
  width: 100%;
}

.page-promotions__vip-section {
  padding: 80px 0;
  background-color: #F4F7FB; /* Background */
  color: #1F2D3D;
}

.page-promotions__vip-tiers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-promotions__vip-card {
  background: #ffffff; /* Card BG */
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.07);
  text-align: center;
  border: 1px solid #D6E2FF; /* Border */
}

.page-promotions__vip-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
}

.page-promotions__vip-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: #2F6BFF; /* Main color */
}

.page-promotions__vip-description {
  font-size: 0.95rem;
  color: #1F2D3D;
}

.page-promotions__vip-cta {
  text-align: center;
  margin-top: 60px;
}

.page-promotions__guide-section {
  padding: 80px 0;
  background: linear-gradient(180deg, #2F6BFF 0%, #6FA3FF 100%); /* Main color as background */
  color: #ffffff;
}

.page-promotions__guide-section .page-promotions__section-title,
.page-promotions__guide-section .page-promotions__section-description {
  color: #ffffff;
}

.page-promotions__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-promotions__step-card {
  background: #ffffff; /* Card BG */
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 1px solid #D6E2FF; /* Border */
  color: #1F2D3D;
}

.page-promotions__step-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); /* Button color */
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 25px;
  box-shadow: 0 4px 10px rgba(47, 107, 255, 0.3);
}

.page-promotions__step-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: #2F6BFF; /* Main color */
}

.page-promotions__step-description {
  font-size: 1rem;
}

.page-promotions__guide-cta {
  text-align: center;
  margin-top: 60px;
}

.page-promotions__terms-section {
  padding: 80px 0;
  background-color: #F4F7FB; /* Background */
  color: #1F2D3D;
}

.page-promotions__terms-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-promotions__terms-item {
  background: #ffffff; /* Card BG */
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.05);
  border: 1px solid #D6E2FF; /* Border */
}

.page-promotions__terms-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: #2F6BFF; /* Main color */
}

.page-promotions__terms-description {
  font-size: 1rem;
  color: #1F2D3D;
}

.page-promotions__faq-section {
  padding: 80px 0;
  background: linear-gradient(180deg, #2F6BFF 0%, #6FA3FF 100%); /* Main color as background */
  color: #ffffff;
}

.page-promotions__faq-section .page-promotions__section-title {
  color: #ffffff;
}

.page-promotions__faq-list {
  max-width: 900px;
  margin: 50px auto 0 auto;
}

.page-promotions__faq-item {
  background: #ffffff; /* Card BG */
  border-radius: 12px;
  margin-bottom: 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  border: 1px solid #D6E2FF; /* Border */
  color: #1F2D3D;
}

.page-promotions__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  color: #2F6BFF; /* Main color */
  list-style: none; /* For <details> default marker */
}

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

.page-promotions__faq-qtext {
  flex-grow: 1;
}

.page-promotions__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  margin-left: 20px;
  transition: transform 0.3s ease;
}

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

.page-promotions__faq-answer {
  padding: 0 30px 20px 30px;
  font-size: 1rem;
  color: #1F2D3D;
}

/* Fallback for div-based FAQ */
.page-promotions__faq-item:not(details) .page-promotions__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
}

.page-promotions__faq-item.active:not(details) .page-promotions__faq-answer {
  max-height: 2000px !important; /* Sufficiently large to show content */
  transition: max-height 0.4s ease-in;
}

.page-promotions__conclusion-section {
  padding: 80px 0;
  background-color: #F4F7FB; /* Background */
  color: #1F2D3D;
  text-align: center;
}

.page-promotions__cta-final {
  margin-top: 50px;
}

/* General image responsiveness */
.page-promotions img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Body background assumption for contrast */
.page-promotions__dark-bg {
  background: linear-gradient(180deg, #2F6BFF 0%, #6FA3FF 100%);
  color: #ffffff;
}

.page-promotions__dark-bg .page-promotions__section-title,
.page-promotions__dark-bg .page-promotions__section-description,
.page-promotions__dark-bg .page-promotions__feature-title,
.page-promotions__dark-bg .page-promotions__promo-title,
.page-promotions__dark-bg .page-promotions__vip-title,
.page-promotions__dark-bg .page-promotions__step-title,
.page-promotions__dark-bg .page-promotions__terms-title,
.page-promotions__dark-bg .page-promotions__faq-question,
.page-promotions__dark-bg .page-promotions__faq-qtext {
  color: #ffffff;
}

.page-promotions__light-bg {
  background-color: #F4F7FB;
  color: #1F2D3D;
}

.page-promotions__light-bg .page-promotions__section-title,
.page-promotions__light-bg .page-promotions__section-description,
.page-promotions__light-bg .page-promotions__feature-title,
.page-promotions__light-bg .page-promotions__promo-title,
.page-promotions__light-bg .page-promotions__vip-title,
.page-promotions__light-bg .page-promotions__step-title,
.page-promotions__light-bg .page-promotions__terms-title,
.page-promotions__light-bg .page-promotions__faq-question,
.page-promotions__light-bg .page-promotions__faq-qtext {
  color: #1F2D3D;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-promotions__container {
    padding: 15px;
  }

  .page-promotions__hero-content {
    padding: 40px 15px;
  }

  .page-promotions__main-title {
    font-size: clamp(2rem, 5vw, 3rem);
  }

  .page-promotions__subtitle {
    font-size: clamp(0.9rem, 2vw, 1.1rem);
  }

  .page-promotions__btn-primary,
  .page-promotions__btn-secondary {
    padding: 12px 25px;
    font-size: 1rem;
  }

  .page-promotions__section-title {
    font-size: clamp(1.6rem, 4vw, 2.5rem);
  }

  .page-promotions__section-description {
    font-size: 1rem;
    margin-bottom: 40px;
  }

  .page-promotions__features-grid,
  .page-promotions__promo-grid,
  .page-promotions__vip-tiers,
  .page-promotions__guide-steps,
  .page-promotions__terms-content {
    gap: 25px;
  }

  .page-promotions__promo-image {
    height: 220px;
  }

  .page-promotions__promo-title {
    font-size: 1.4rem;
  }

  .page-promotions__vip-image {
    height: 150px;
  }

  .page-promotions__faq-question {
    font-size: 1.1rem;
    padding: 18px 25px;
  }

  .page-promotions__faq-toggle {
    font-size: 1.6rem;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-promotions__hero-section {
    padding-top: 10px !important; /* Small top padding for mobile */
  }

  .page-promotions__hero-image-wrapper {
    max-height: 300px;
  }

  .page-promotions__hero-content {
    padding: 30px 15px;
  }

  .page-promotions__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
    margin-bottom: 15px;
  }

  .page-promotions__subtitle {
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    margin-bottom: 25px;
  }

  /* 按钮与按钮容器 */
  .page-promotions__cta-buttons {
    flex-direction: column !important;
    gap: 15px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-promotions__btn-primary,
  .page-promotions__btn-secondary,
  .page-promotions a[class*="button"],
  .page-promotions 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 !important;
    padding-right: 15px !important;
  }

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

  .page-promotions__container,
  .page-promotions__section,
  .page-promotions__card,
  .page-promotions__promo-card,
  .page-promotions__feature-card,
  .page-promotions__vip-card,
  .page-promotions__step-card,
  .page-promotions__terms-item,
  .page-promotions__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-promotions__section-title {
    font-size: clamp(1.5rem, 5vw, 2rem);
    margin-bottom: 30px;
  }

  .page-promotions__section-description {
    font-size: 0.95rem;
    margin-bottom: 30px;
  }

  .page-promotions__why-choose-section,
  .page-promotions__highlight-promos-section,
  .page-promotions__vip-section,
  .page-promotions__guide-section,
  .page-promotions__terms-section,
  .page-promotions__faq-section,
  .page-promotions__conclusion-section {
    padding: 50px 0;
  }

  .page-promotions__features-grid,
  .page-promotions__promo-grid,
  .page-promotions__vip-tiers,
  .page-promotions__guide-steps,
  .page-promotions__terms-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-promotions__feature-card,
  .page-promotions__promo-card,
  .page-promotions__vip-card,
  .page-promotions__step-card,
  .page-promotions__terms-item {
    padding: 25px;
  }

  .page-promotions__promo-image {
    height: 180px;
  }

  .page-promotions__promo-title {
    font-size: 1.3rem;
  }

  .page-promotions__vip-image {
    height: 120px;
  }

  .page-promotions__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }

  .page-promotions__faq-toggle {
    font-size: 1.5rem;
  }

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