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

/* Top Section (Hero) */
.page-download__hero-section {
  padding: 10px 0 40px;
  text-align: center;
  background: #F4F7FB; /* Use background color */
  color: #1F2D3D;
}

.page-download__hero-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-download__hero-title {
  font-size: 2.8em;
  font-weight: 700;
  color: #2F6BFF;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-download__hero-description {
  font-size: 1.1em;
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__hero-image-wrapper {
  margin-top: 30px;
  display: flex;
  justify-content: center;
}

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

.page-download__cta-group {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

.page-download__button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-download__button--primary {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 15px rgba(47, 107, 255, 0.4);
}

.page-download__button--primary:hover {
  background: linear-gradient(180deg, #2F6BFF 0%, #4A8BFF 100%);
  transform: translateY(-2px);
}

.page-download__button--secondary {
  background: #ffffff;
  color: #2F6BFF;
  border: 2px solid #2F6BFF;
  box-shadow: 0 4px 10px rgba(47, 107, 255, 0.2);
}

.page-download__button--secondary:hover {
  background: #e0eaff;
  transform: translateY(-2px);
}

/* General Content Sections */
.page-download__section {
  padding: 60px 0;
  background-color: #FFFFFF; /* Card BG */
  margin-bottom: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  max-width: 1150px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.page-download__section:nth-of-type(even) {
  background-color: #F4F7FB; /* Background */
}

.page-download__section-title {
  font-size: 2.2em;
  font-weight: 700;
  color: #2F6BFF;
  text-align: center;
  margin-bottom: 40px;
}

.page-download__subsection-title {
  font-size: 1.8em;
  font-weight: 600;
  color: #1F2D3D;
  margin-top: 30px;
  margin-bottom: 20px;
  text-align: left;
}

.page-download__content-text {
  font-size: 1em;
  line-height: 1.7;
  margin-bottom: 15px;
  color: #1F2D3D;
}

.page-download__list {
  list-style: disc;
  margin-left: 25px;
  margin-bottom: 20px;
}

.page-download__list-item {
  margin-bottom: 10px;
  color: #1F2D3D;
}

.page-download__qr-section {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.page-download__qr-card {
  background: #FFFFFF;
  border: 1px solid #D6E2FF; /* Border */
  border-radius: 12px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  flex: 1;
  min-width: 280px;
  max-width: 45%; /* Adjusted for two columns */
  box-sizing: border-box;
}

.page-download__qr-card-title {
  font-size: 1.4em;
  color: #2F6BFF;
  margin-bottom: 15px;
}

.page-download__qr-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 15px;
}

.page-download__qr-description {
  font-size: 0.95em;
  color: #1F2D3D;
}

/* FAQ Section */
.page-download__faq-section {
  padding: 60px 0;
  max-width: 1150px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
  background-color: #FFFFFF;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.page-download__faq-item {
  background-color: #F4F7FB;
  border: 1px solid #D6E2FF;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-download__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.1em;
  font-weight: 600;
  color: #1F2D3D;
  cursor: pointer;
  list-style: none; /* Remove default marker */
  -webkit-touch-callout: none; /* Disable text selection on tap */
  -webkit-user-select: none; /* Disable text selection */
  -moz-user-select: none; /* Disable text selection */
  -ms-user-select: none; /* Disable text selection */
  user-select: none; /* Disable text selection */
}

.page-download__faq-item summary::-webkit-details-marker {
  display: none; /* Hide default marker in Webkit */
}

.page-download__faq-question-text {
  flex-grow: 1;
  color: #2F6BFF;
}

.page-download__faq-toggle-icon {
  font-size: 1.5em;
  font-weight: bold;
  color: #2F6BFF;
  margin-left: 15px;
  transition: transform 0.3s ease;
}

.page-download__faq-item[open] .page-download__faq-toggle-icon {
  transform: rotate(45deg); /* Change + to X or similar */
}

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

/* Conclusion CTA */
.page-download__conclusion-cta {
  text-align: center;
  padding: 50px 20px;
  background-color: #F4F7FB;
  border-radius: 12px;
  max-width: 1150px;
  margin: 20px auto 40px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.page-download__conclusion-title {
  font-size: 2em;
  color: #2F6BFF;
  margin-bottom: 25px;
}

.page-download__conclusion-text {
  font-size: 1.1em;
  margin-bottom: 35px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  color: #1F2D3D;
}

.page-download__conclusion-image-wrapper {
  margin-top: 30px;
  margin-bottom: 40px;
  display: flex;
  justify-content: center;
}

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

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

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-download__hero-title {
    font-size: 2.4em;
  }
  .page-download__section-title {
    font-size: 1.8em;
  }
  .page-download__subsection-title {
    font-size: 1.5em;
  }
  .page-download__qr-card {
    max-width: 48%;
  }
}

/* @media (max-width: 768px)必写清单 */
@media (max-width: 768px) {
  /* 1. 顶区标题 + 双 CTA */
  .page-download__hero-section {
    padding-top: 10px !important; /* Fixed header spacing */
    padding-bottom: 30px;
  }

  .page-download__hero-title {
    font-size: 2em;
    margin-bottom: 15px;
  }

  .page-download__hero-description {
    font-size: 1em;
    margin-bottom: 25px;
    padding: 0 15px;
  }

  .page-download__cta-group {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }

  .page-download__button {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  
  /* 2. 单栏长文容器 */
  .page-download__section,
  .page-download__faq-section,
  .page-download__conclusion-cta {
    padding: 30px 15px !important; /* Adjust padding for mobile */
    margin-left: 10px;
    margin-right: 10px;
    max-width: calc(100% - 20px) !important; /* Ensure content fits */
    width: calc(100% - 20px) !important;
    box-sizing: border-box !important;
  }

  .page-download__section-title {
    font-size: 1.6em;
    margin-bottom: 30px;
  }

  .page-download__subsection-title {
    font-size: 1.3em;
    margin-top: 25px;
    margin-bottom: 15px;
  }

  .page-download__content-text,
  .page-download__list-item,
  .page-download__qr-description,
  .page-download__faq-answer {
    font-size: 0.95em;
    line-height: 1.6;
  }

  /* 3. 通用图片与 figure */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-download__hero-image-wrapper,
  .page-download__conclusion-image-wrapper {
    padding: 0 15px;
  }

  .page-download__qr-section {
    flex-direction: column;
    gap: 20px;
    padding: 0 15px;
  }

  .page-download__qr-card {
    max-width: 100% !important;
    width: 100% !important;
    padding: 20px;
  }

  /* 4. 按钮与按钮容器 */
  .page-download__cta-group,
  .page-download__button-group { /* Example if other button groups exist */
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .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;
    padding-right: 15px;
  }

  /* 5. FAQ 区块 */
  .page-download__faq-item summary {
    padding: 15px 20px;
    font-size: 1em;
  }
  .page-download__faq-question-text {
    font-size: 1em;
  }
  .page-download__faq-answer {
    padding: 0 20px 15px;
    font-size: 0.9em;
  }
  .page-download__conclusion-title {
    font-size: 1.8em;
  }
  .page-download__conclusion-text {
    font-size: 1em;
    padding: 0 15px;
  }
}