.page-download {
  font-family: 'Arial', sans-serif;
  color: #1F2D3D;
  background-color: #F4F7FB;
  line-height: 1.6;
}

.page-download__section-padding {
  padding: 60px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-download__section-title {
  font-size: 36px;
  color: #1F2D3D;
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-download__section-description {
  font-size: 18px;
  color: #1F2D3D;
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px; /* Aligns with common fixed header rule */
  padding-bottom: 60px;
  background-color: #F4F7FB;
  color: #1F2D3D;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.page-download__hero-content {
  text-align: center;
  padding: 0 20px;
  max-width: 800px;
  margin-bottom: 40px;
}

.page-download__hero-title {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #1F2D3D;
  margin-bottom: 20px;
}

.page-download__hero-description {
  font-size: 18px;
  line-height: 1.5;
  color: #1F2D3D;
  margin-bottom: 30px;
}

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

.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  font-size: 18px;
  font-weight: bold;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.3s ease;
  cursor: pointer;
  white-space: nowrap;
  word-wrap: normal;
  box-sizing: border-box;
}

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

.page-download__btn-secondary {
  background-color: #FFFFFF;
  color: #2F6BFF;
  border: 2px solid #2F6BFF;
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

.page-download__btn-secondary:hover {
  background-color: #F0F5FF;
  color: #2F6BFF;
  border-color: #2F6BFF;
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
}

.page-download__hero-image-container {
  width: 100%;
  max-width: 1000px; /* Adjust as needed */
  margin-top: 20px;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(47, 107, 255, 0.2);
}

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

.page-download__feature-card {
  background-color: #FFFFFF;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #D6E2FF;
  color: #1F2D3D;
}

.page-download__feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.page-download__feature-icon {
  width: 100px;
  height: auto;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-download__feature-title {
  font-size: 24px;
  color: #2F6BFF;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-download__feature-text {
  font-size: 16px;
  color: #1F2D3D;
  line-height: 1.7;
}

.page-download__guide-block {
  margin-bottom: 60px;
}

.page-download__guide-subtitle {
  font-size: 28px;
  color: #2F6BFF;
  text-align: center;
  margin-bottom: 30px;
  font-weight: bold;
}

.page-download__guide-content {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.page-download__guide-content--reverse {
  flex-direction: row-reverse;
}

.page-download__guide-steps {
  flex: 1;
}

.page-download__step-list {
  list-style: none;
  padding: 0;
  counter-reset: step-counter;
}

.page-download__step-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 25px;
}

.page-download__step-number {
  counter-increment: step-counter;
  width: 35px;
  height: 35px;
  min-width: 35px;
  min-height: 35px;
  background-color: #2F6BFF;
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 18px;
  margin-right: 15px;
  box-shadow: 0 2px 10px rgba(47, 107, 255, 0.2);
}

.page-download__step-text {
  flex: 1;
  font-size: 17px;
  color: #1F2D3D;
  line-height: 1.6;
}

.page-download__guide-image-container {
  flex: 1;
  max-width: 50%;
  text-align: center;
}

.page-download__guide-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

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

.page-download__app-feature-item {
  background-color: #FFFFFF;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #D6E2FF;
  color: #1F2D3D;
}

.page-download__app-feature-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.page-download__app-feature-icon {
  width: 80px;
  height: auto;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-download__app-feature-title {
  font-size: 22px;
  color: #2F6BFF;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-download__app-feature-text {
  font-size: 16px;
  color: #1F2D3D;
  line-height: 1.7;
}

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

.page-download__faq-item {
  background-color: #FFFFFF;
  border: 1px solid #D6E2FF;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: #1F2D3D;
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-size: 18px;
  font-weight: bold;
  color: #1F2D3D;
  background-color: #FFFFFF;
  transition: background-color 0.3s ease;
  list-style: none; /* For <details> summary */
}

.page-download__faq-question::-webkit-details-marker {
  display: none; /* Hide default marker */
}

.page-download__faq-question:hover {
  background-color: #F0F5FF;
}

.page-download__faq-toggle {
  font-size: 24px;
  line-height: 1;
  margin-left: 15px;
  color: #2F6BFF;
  transition: transform 0.3s ease;
}

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

.page-download__faq-answer {
  padding: 0 25px 20px;
  font-size: 16px;
  line-height: 1.7;
  color: #1F2D3D;
}

.page-download__cta-section {
  text-align: center;
  background-color: #2F6BFF;
  color: #FFFFFF;
  padding: 80px 20px;
  border-radius: 12px;
  margin: 60px auto;
  max-width: 1200px;
  box-shadow: 0 10px 30px rgba(47, 107, 255, 0.4);
}

.page-download__cta-title {
  font-size: 40px;
  color: #FFFFFF;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-download__cta-description {
  font-size: 20px;
  line-height: 1.6;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__btn-large {
  padding: 18px 40px;
  font-size: 20px;
  border-radius: 10px;
}

.page-download__copyright {
  text-align: center;
  padding: 30px 20px;
  background-color: #1F2D3D;
  color: #FFFFFF;
  font-size: 14px;
  margin-top: 40px;
}

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

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
  .page-download__hero-title {
    font-size: 48px;
  }

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

  .page-download__cta-title {
    font-size: 36px;
  }

  .page-download__guide-content {
    flex-direction: column;
    align-items: center;
  }

  .page-download__guide-content--reverse {
    flex-direction: column;
  }

  .page-download__guide-image-container {
    max-width: 80%;
    margin-top: 30px;
  }

  .page-download__guide-steps {
    order: 2; /* Ensure steps appear after image in reverse layout */
  }
}

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

  /* HERO 主图区域 */
  .page-download__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box !important;
  }

  .page-download__hero-content {
    margin-bottom: 30px;
    padding: 0;
  }

  .page-download__hero-title {
    font-size: 32px;
    margin-bottom: 15px;
  }

  .page-download__hero-description {
    font-size: 16px;
    margin-bottom: 20px;
  }

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

  .page-download__btn-primary,
  .page-download__btn-secondary,
  .page-download a[class*="button"],
  .page-download 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; /* Ensure text padding within button */
    padding-right: 15px !important;
  }

  /* 其他内容模块 - 通用 padding 和 max-width */
  .page-download__section-padding {
    padding: 40px 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

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

  .page-download__section-description {
    font-size: 16px;
    margin-bottom: 30px;
  }

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

  .page-download__feature-card {
    padding: 25px;
  }

  .page-download__guide-block {
    margin-bottom: 40px;
  }

  .page-download__guide-subtitle {
    font-size: 24px;
    margin-bottom: 20px;
  }

  .page-download__guide-content {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }

  .page-download__guide-content--reverse {
    flex-direction: column;
  }

  .page-download__guide-image-container {
    max-width: 100% !important;
    width: 100% !important;
    margin-top: 20px;
    box-sizing: border-box !important;
  }

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

  .page-download__app-features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-download__app-feature-item {
    padding: 25px;
  }

  .page-download__faq-question {
    padding: 18px 20px;
    font-size: 16px;
  }

  .page-download__faq-answer {
    padding: 0 20px 18px;
    font-size: 15px;
  }

  .page-download__cta-section {
    padding: 60px 15px;
    margin: 40px auto;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-download__cta-title {
    font-size: 30px;
    margin-bottom: 15px;
  }

  .page-download__cta-description {
    font-size: 17px;
    margin-bottom: 30px;
  }

  .page-download__btn-large {
    padding: 16px 30px;
    font-size: 18px;
  }
  
  .page-download__copyright {
    padding: 20px 15px;
  }
}