/* -------------------------------------------------------------------------- */
/*                            Page-Specific Styles                            */
/* -------------------------------------------------------------------------- */

/* Main container for the download page content */
.page-download {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Default text color for light background */
  background-color: #FFFFFF; /* Default body background */
}

/* Common container for content sections */
.page-download__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Section styling */
.page-download__section {
  padding: 60px 0;
  text-align: center;
}

.page-download__dark-section {
  background-color: #017439;
  color: #ffffff;
}

.page-download__light-bg {
  background-color: #ffffff;
  color: #333333;
}

.page-download__section-title {
  font-size: 36px;
  font-weight: bold;
  margin-bottom: 20px;
  color: inherit;
}

.page-download__section-description {
  font-size: 18px;
  max-width: 800px;
  margin: 0 auto 40px;
  line-height: 1.8;
  color: inherit;
}

/* ----------------------------- Hero Section ----------------------------- */
.page-download__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 60px;
  color: #ffffff;
  text-align: center;
}

.page-download__hero-image-container {
  width: 100%;
  height: 500px; /* Fixed height for desktop */
  overflow: hidden;
  position: relative;
  margin-bottom: 30px;
}

.page-download__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover; /* Default cover for desktop */
  display: block;
}

.page-download__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 0 20px;
}

.page-download__main-title {
  font-weight: bold;
  margin-bottom: 20px;
  color: #FFFF00; /* Use specific font color for title */
  font-size: clamp(2.5em, 5vw, 3.5em); /* Responsive font size */
  line-height: 1.2;
}

.page-download__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  line-height: 1.8;
}

/* Call to Action Buttons */
.page-download__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 30px;
  flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

.page-download__cta-button,
.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  max-width: 100%; /* Ensure buttons don't overflow */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-download__btn-primary {
  background-color: #C30808; /* Register/Login color */
  color: #FFFF00; /* Register/Login font color */
  border: 2px solid #C30808;
}

.page-download__btn-primary:hover {
  background-color: #e00b0b;
  border-color: #e00b0b;
}

.page-download__btn-secondary {
  background-color: #ffffff;
  color: #017439;
  border: 2px solid #017439;
}

.page-download__btn-secondary:hover {
  background-color: #f0f0f0;
  color: #017439;
  border-color: #017439;
}

/* ----------------------------- Why Choose Section ----------------------------- */
.page-download__why-choose {
  padding-top: 40px;
  padding-bottom: 40px;
}

.page-download__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__feature-card {
  background-color: #f9f9f9;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-download__feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.page-download__feature-icon {
  width: 100%;
  max-width: 250px;
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  object-fit: cover;
}

.page-download__card-title {
  font-size: 22px;
  font-weight: bold;
  margin-bottom: 15px;
  color: #017439;
}

.page-download__feature-card p {
  font-size: 16px;
  color: #555;
}

/* ----------------------------- How to Download Section ----------------------------- */
.page-download__how-to-download {
  padding-top: 60px;
  padding-bottom: 60px;
}

.page-download__download-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__step-item {
  background-color: #ffffff;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #333333;
}

.page-download__step-number {
  width: 50px;
  height: 50px;
  background-color: #C30808;
  color: #FFFF00;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 20px;
}

.page-download__step-title {
  font-size: 22px;
  font-weight: bold;
  margin-bottom: 15px;
  color: #017439;
}

.page-download__step-item p {
  font-size: 16px;
  margin-bottom: 20px;
}

.page-download__step-image {
  width: 100%;
  max-width: 300px;
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  object-fit: cover;
}

.page-download__qr-codes {
  display: flex;
  justify-content: center;
  gap: 50px;
  margin-top: 60px;
  flex-wrap: wrap;
}

.page-download__qr-item {
  text-align: center;
  background-color: #ffffff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.page-download__qr-label {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 15px;
  color: #017439;
}

.page-download__qr-image {
  width: 100%;
  max-width: 250px;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* ----------------------------- Features App Section ----------------------------- */
.page-download__features-app {
  padding-top: 60px;
  padding-bottom: 60px;
}

.page-download__feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__feature-item {
  background-color: #f9f9f9;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-download__feature-img {
  width: 100%;
  max-width: 350px;
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  object-fit: cover;
}

.page-download__feature-heading {
  font-size: 22px;
  font-weight: bold;
  margin-bottom: 15px;
  color: #017439;
}

.page-download__feature-item p {
  font-size: 16px;
  color: #555;
}

/* ----------------------------- Security Info Section ----------------------------- */
.page-download__security-info {
  padding-top: 60px;
  padding-bottom: 60px;
}

.page-download__security-points {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__security-card {
  background-color: #ffffff;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #333333;
}

.page-download__security-icon {
  width: 100%;
  max-width: 250px;
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  object-fit: cover;
}

.page-download__cta-section {
  margin-top: 60px;
  padding: 30px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

.page-download__cta-section p {
  font-size: 20px;
  margin-bottom: 25px;
  color: #ffffff;
}

/* ----------------------------- FAQ Section ----------------------------- */
.page-download__faq-section {
  padding-top: 60px;
  padding-bottom: 60px;
}

.page-download__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

details.page-download__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #e0e0e0;
  overflow: hidden;
  background: #fff;
}

details.page-download__faq-item summary.page-download__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;
}

details.page-download__faq-item summary.page-download__faq-question::-webkit-details-marker {
  display: none;
}

details.page-download__faq-item summary.page-download__faq-question:hover {
  background: #f5f5f5;
}

.page-download__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #333333;
}

.page-download__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #666;
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}

details.page-download__faq-item .page-download__faq-answer {
  padding: 0 20px 20px;
  background: #f9f9f9;
  border-radius: 0 0 5px 5px;
  text-align: left;
  color: #555;
}

/* -------------------------------------------------------------------------- */
/*                               Responsive Styles                            */
/* -------------------------------------------------------------------------- */

/* Mobile/Tablet specific styles (max-width: 768px) */
@media (max-width: 768px) {
  .page-download__container {
    padding: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-download__section {
    padding: 40px 0;
  }

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

  .page-download__section-description {
    font-size: 16px;
    margin-bottom: 30px;
    padding: 0 10px;
  }

  /* HERO 主图区域 */
  .page-download__hero-section {
    padding-top: 10px;
    padding-bottom: 40px;
  }
  
  .page-download__hero-image-container {
    height: 300px; /* Adjust height for mobile */
  }

  .page-download__hero-image {
    object-fit: contain !important; /* Prevent cropping on mobile */
    aspect-ratio: unset !important;
    width: 100% !important;
    height: 100% !important;
  }

  .page-download__main-title {
    font-size: clamp(1.8em, 8vw, 2.5em);
  }

  .page-download__hero-description {
    font-size: 1em;
    padding: 0 10px;
  }

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

  .page-download__cta-button,
  .page-download__btn-primary,
  .page-download__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 产品展示图区域 / Features Grid */
  .page-download__features-grid,
  .page-download__download-steps,
  .page-download__feature-list,
  .page-download__security-points {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 0 15px;
  }

  .page-download__feature-card,
  .page-download__step-item,
  .page-download__feature-item,
  .page-download__security-card {
    padding: 20px;
  }

  .page-download__feature-icon,
  .page-download__step-image,
  .page-download__feature-img,
  .page-download__security-icon {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-download__qr-codes {
    flex-direction: column;
    gap: 30px;
    margin-top: 40px;
    padding: 0 15px;
  }

  .page-download__qr-item {
    padding: 15px;
  }

  .page-download__qr-image {
    max-width: 200px !important;
  }

  .page-download__card-title,
  .page-download__step-title,
  .page-download__feature-heading {
    font-size: 20px;
  }

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

  .page-download__section,
  .page-download__card,
  .page-download__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* FAQ Section */
  details.page-download__faq-item summary.page-download__faq-question {
    padding: 15px;
  }
  .page-download__faq-qtext {
    font-size: 15px;
  }
  details.page-download__faq-item .page-download__faq-answer {
    padding: 0 15px 15px;
  }

  .page-download__cta-section {
    padding: 20px;
  }

  .page-download__cta-section p {
    font-size: 18px;
  }
}

/* Ensure all content area images are responsive */
.page-download img {
  max-width: 100%;
  height: auto;
  display: block;
}