/* style/download.css */
/* 页面完整样式代码 - 注意：所有选择器必须使用BEM命名规则（双下划线__连接） */

/* Colors */
:root {
  --page-download-primary-color: #017439;
  --page-download-secondary-color: #FFFFFF;
  --page-download-text-on-dark: #FFFFFF;
  --page-download-text-on-light: #333333;
  --page-download-btn-register-bg: #C30808;
  --page-download-btn-login-bg: #C30808;
  --page-download-btn-font-color: #FFFF00;
  --page-download-background-light: #FFFFFF; /* This is for sections that might override body dark background */
}

.page-download {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--page-download-text-on-dark); /* Default text color for dark body background */
  background-color: transparent; /* Body background is handled by shared.css */
}

.page-download__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

/* Hero Section */
.page-download__hero-section {
  position: relative;
  width: 100%;
  padding: 80px 0;
  padding-top: var(--header-offset, 120px); /* Ensures content is not hidden by fixed header */
  background: var(--page-download-primary-color); /* Brand primary color for hero */
  color: var(--page-download-text-on-dark);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-download__hero-section .page-download__container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
}

.page-download__hero-content {
  flex: 1;
  min-width: 300px;
  text-align: left;
}

.page-download__hero-title {
  font-size: 2.8em;
  margin-bottom: 20px;
  color: var(--page-download-text-on-dark);
}

.page-download__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: var(--page-download-text-on-dark);
}

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

.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease;
  font-size: 1.1em;
  text-align: center;
  box-sizing: border-box; /* Crucial for responsive buttons */
}

.page-download__btn-primary {
  background-color: var(--page-download-btn-register-bg); /* Custom color for register/download */
  color: var(--page-download-btn-font-color); /* Custom font color for register/download */
  border: 2px solid var(--page-download-btn-register-bg);
}

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

.page-download__btn-secondary {
  background-color: var(--page-download-secondary-color);
  color: var(--page-download-primary-color);
  border: 2px solid var(--page-download-primary-color);
}

.page-download__btn-secondary:hover {
  background-color: var(--page-download-primary-color);
  color: var(--page-download-secondary-color);
}

.page-download__hero-image-wrapper {
  flex: 1;
  min-width: 300px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-download__hero-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  display: block; /* Ensure it behaves as a block element for max-width */
}

/* General Section Styles */
.page-download__why-choose-section,
.page-download__app-features-section,
.page-download__faq-section {
  padding: 80px 0;
  background-color: var(--page-download-background-light); /* Light background for these sections */
  color: var(--page-download-text-on-light); /* Dark text on light background */
}

.page-download__download-guide-section,
.page-download__testimonials-section,
.page-download__cta-section {
  padding: 80px 0;
  background-color: var(--page-download-primary-color); /* Dark background for these sections */
  color: var(--page-download-text-on-dark); /* Light text on dark background */
}

.page-download__section-title {
  font-size: 2.2em;
  text-align: center;
  margin-bottom: 20px;
  color: inherit; /* Inherit color from section background */
}

.page-download__section-description {
  font-size: 1.1em;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px auto;
  color: inherit; /* Inherit color from section background */
}

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

.page-download__feature-card,
.page-download__app-feature-item,
.page-download__testimonial-card {
  background-color: var(--page-download-secondary-color); /* Light background for cards */
  color: var(--page-download-text-on-light); /* Dark text on light background */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-download__feature-icon,
.page-download__app-feature-image {
  width: 100%; /* Ensure image fills card width */
  height: auto;
  max-width: 400px; /* Example max-width, depends on design */
  min-width: 200px; /* Enforce minimum size */
  min-height: 200px; /* Enforce minimum size */
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
}

.page-download__feature-title,
.page-download__app-feature-title {
  font-size: 1.5em;
  margin-bottom: 15px;
  color: var(--page-download-primary-color);
}

.page-download__feature-text,
.page-download__app-feature-text {
  font-size: 1em;
  color: var(--page-download-text-on-light);
}

/* Download Guide */
.page-download__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__guide-step {
  background-color: rgba(255, 255, 255, 0.1); /* Slightly transparent white on dark background */
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  color: var(--page-download-text-on-dark);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-download__step-number {
  font-size: 2.5em;
  font-weight: bold;
  color: var(--page-download-secondary-color);
  margin-bottom: 15px;
  display: inline-block;
  background-color: var(--page-download-btn-register-bg);
  border-radius: 50%;
  width: 60px;
  height: 60px;
  line-height: 60px;
}

.page-download__step-title {
  font-size: 1.4em;
  margin-bottom: 10px;
  color: var(--page-download-secondary-color);
}

.page-download__step-text {
  font-size: 1em;
  color: var(--page-download-text-on-dark);
}

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

.page-download__qr-code-item {
  text-align: center;
  background-color: var(--page-download-secondary-color);
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  color: var(--page-download-text-on-light);
}

.page-download__qr-image {
  max-width: 200px; /* QR code image size, enforce min 200px */
  height: auto;
  min-width: 200px; /* Enforce minimum size */
  min-height: 200px; /* Enforce minimum size */
  display: block;
  margin: 0 auto 15px auto;
}

.page-download__qr-label {
  font-size: 1.1em;
  font-weight: bold;
  color: var(--page-download-primary-color);
}

/* Testimonials */
.page-download__testimonial-card {
  background-color: var(--page-download-secondary-color);
  color: var(--page-download-text-on-light);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.page-download__testimonial-avatar {
  width: 200px; /* Enforce minimum size */
  height: 200px; /* Enforce minimum size */
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 20px;
  border: 4px solid var(--page-download-primary-color);
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-download__testimonial-text {
  font-style: italic;
  margin-bottom: 15px;
  font-size: 1.1em;
}

.page-download__testimonial-author {
  font-weight: bold;
  color: var(--page-download-primary-color);
}

/* FAQ Section */
.page-download__faq-list {
  max-width: 800px;
  margin: 0 auto;
  margin-top: 40px;
}

.page-download__faq-item {
  background-color: var(--page-download-secondary-color);
  color: var(--page-download-text-on-light);
  margin-bottom: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.page-download__faq-item summary {
  list-style: none; /* Hide default marker */
  cursor: pointer;
  padding: 20px 25px;
  font-size: 1.2em;
  font-weight: bold;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--page-download-primary-color);
  background-color: #f8f8f8;
  border-bottom: 1px solid #eee;
}

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

.page-download__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  transition: transform 0.3s ease;
}

.page-download__faq-item[open] .page-download__faq-toggle {
  transform: rotate(45deg); /* Rotate plus to cross */
}

.page-download__faq-answer {
  padding: 15px 25px 20px 25px;
  font-size: 1.05em;
  color: var(--page-download-text-on-light);
  border-top: 1px solid #eee;
}

.page-download__faq-item[open] .page-download__faq-answer {
  border-top: none; /* Remove border when open as summary has one */
}

/* Call to Action Section */
.page-download__cta-section {
  text-align: center;
  padding: 80px 0;
  background-color: var(--page-download-primary-color);
  color: var(--page-download-text-on-dark);
}

.page-download__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 40px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-download__hero-title {
    font-size: 2.5em;
  }
  .page-download__section-title {
    font-size: 2em;
  }
}

@media (max-width: 768px) {
  .page-download__hero-section .page-download__container {
    flex-direction: column;
    text-align: center;
  }

  .page-download__hero-content {
    text-align: center;
  }

  .page-download__hero-image-wrapper {
    order: -1; /* Image above text on mobile */
    margin-bottom: 30px;
  }

  .page-download__download-buttons {
    justify-content: center;
  }

  .page-download__hero-title {
    font-size: 2em;
  }

  .page-download__hero-description {
    font-size: 1em;
  }

  .page-download__section-title {
    font-size: 1.8em;
  }

  .page-download__section-description {
    font-size: 0.95em;
    margin-bottom: 30px;
  }

  .page-download__btn-primary,
  .page-download__btn-secondary,
  .page-download__cta-button,
  .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;
  }

  .page-download__download-buttons,
  .page-download__cta-buttons,
  .page-download__button-group,
  .page-download__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-direction: column; /* Stack buttons vertically */
    gap: 15px; /* Adjust gap for stacked buttons */
  }

  /* All images responsive for mobile */
  .page-download img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  /* All image containers responsive for mobile */
  .page-download__section,
  .page-download__card,
  .page-download__container,
  .page-download__qr-code-item,
  .page-download__hero-image-wrapper,
  .page-download__feature-card,
  .page-download__app-feature-item,
  .page-download__testimonial-card {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important; /* Prevent overflow of content inside */
  }

  /* Specific padding for sections that need it */
  .page-download__hero-section,
  .page-download__why-choose-section,
  .page-download__download-guide-section,
  .page-download__app-features-section,
  .page-download__testimonials-section,
  .page-download__faq-section,
  .page-download__cta-section {
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-download__hero-section {
    padding-top: var(--header-offset, 120px) !important; /* Ensure header offset on mobile */
  }

  /* Adjust grid columns for smaller screens */
  .page-download__features-grid,
  .page-download__guide-steps,
  .page-download__app-features-grid,
  .page-download__testimonial-grid {
    grid-template-columns: 1fr;
  }

  .page-download__qr-codes {
    flex-direction: column;
    align-items: center;
    gap: 30px;
  }

  .page-download__faq-item summary {
    font-size: 1.1em;
    padding: 15px 20px;
  }

  .page-download__faq-answer {
    padding: 10px 20px 15px 20px;
    font-size: 0.95em;
  }
}

@media (max-width: 480px) {
  .page-download__hero-title {
    font-size: 1.8em;
  }
  .page-download__section-title {
    font-size: 1.6em;
  }
  .page-download__btn-primary,
  .page-download__btn-secondary {
    padding: 12px 20px;
    font-size: 1em;
  }
}