/* style/download.css */
:root {
  --page-download-primary-color: #11A84E;
  --page-download-secondary-color: #22C768;
  --page-download-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --page-download-card-bg: #11271B;
  --page-download-background-color: #08160F;
  --page-download-text-main: #F2FFF6;
  --page-download-text-secondary: #A7D9B8;
  --page-download-border-color: #2E7A4E;
  --page-download-glow-color: #57E38D;
  --page-download-gold-color: #F2C14E;
  --page-download-divider-color: #1E3A2A;
  --page-download-deep-green: #0A4B2C;
}

/* body 已 padding-top: var(--header-offset)；页面禁止再写该变量 */
.page-download {
  background-color: var(--page-download-background-color);
  color: var(--page-download-text-main);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-download__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding as body handles header offset */
  text-align: center;
  background: var(--page-download-background-color);
  overflow: hidden;
}

.page-download__hero-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
}

.page-download__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3; /* Slightly transparent to allow text readability */
  filter: none; /* No CSS filter to change color */
}

.page-download__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
  background: rgba(0, 0, 0, 0.4); /* Dark overlay for text readability */
  border-radius: 10px;
}

.page-download__hero-title {
  color: var(--page-download-text-main);
  font-weight: bold;
  line-height: 1.2;
  margin-bottom: 20px;
  max-width: 100%;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.page-download__hero-description {
  color: var(--page-download-text-secondary);
  font-size: 1.1em;
  margin-bottom: 30px;
}

.page-download__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
  width: 100%; /* desktop width */
  max-width: 100%; /* desktop max-width */
  box-sizing: border-box;
  overflow: hidden;
}

.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, transform 0.3s ease;
  box-sizing: border-box;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
  max-width: 100%; /* Ensure button doesn't overflow */
  width: auto; /* Default width for desktop */
}

.page-download__btn-primary {
  background: var(--page-download-button-gradient);
  color: #ffffff; /* White text for contrast */
  border: none;
  box-shadow: 0 4px 15px rgba(42, 209, 111, 0.4);
}

.page-download__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(42, 209, 111, 0.6);
}

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

.page-download__btn-secondary:hover {
  background-color: var(--page-download-secondary-color);
  color: var(--page-download-text-main);
  transform: translateY(-3px);
}

.page-download__section {
  padding: 60px 20px;
  text-align: center;
}

.page-download__dark-section {
  background-color: var(--page-download-card-bg);
  color: var(--page-download-text-main);
}

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

.page-download__section-title {
  color: var(--page-download-text-main);
  font-size: 2.5em;
  margin-bottom: 30px;
  font-weight: bold;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.page-download__paragraph {
  color: var(--page-download-text-secondary);
  font-size: 1.1em;
  margin-bottom: 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-download__card {
  background-color: var(--page-download-card-bg);
  border: 1px solid var(--page-download-border-color);
  border-radius: 12px;
  padding: 30px;
  text-align: left;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  color: var(--page-download-text-main);
}

.page-download__card:hover {
  transform: translateY(-5px);
}

.page-download__card-title {
  color: var(--page-download-gold-color);
  font-size: 1.4em;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-download__card-text {
  color: var(--page-download-text-secondary);
  font-size: 1em;
  flex-grow: 1;
}

.page-download__image-full-width {
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 12px;
  margin-top: 40px;
  filter: none; /* No CSS filter to change color */
}

.page-download__qr-section {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
  margin-top: 40px;
}

.page-download__qr-card {
  background-color: var(--page-download-card-bg);
  border: 1px solid var(--page-download-border-color);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  max-width: 450px;
  width: 100%;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  color: var(--page-download-text-main);
}

.page-download__qr-code {
  width: 200px;
  height: 200px;
  margin: 20px auto;
  display: block;
  border: 5px solid var(--page-download-primary-color);
  border-radius: 8px;
  filter: none; /* No CSS filter to change color */
}

.page-download__list {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  text-align: left;
}

.page-download__list li {
  margin-bottom: 10px;
  color: var(--page-download-text-secondary);
  font-size: 1em;
  position: relative;
  padding-left: 25px;
}

.page-download__list li::before {
  content: '✓';
  color: var(--page-download-secondary-color);
  position: absolute;
  left: 0;
  font-weight: bold;
}

.page-download__feature-list {
  list-style: none;
  padding: 0;
  margin-top: 40px;
  text-align: left;
}

.page-download__feature-list li {
  background-color: var(--page-download-deep-green);
  border-left: 5px solid var(--page-download-secondary-color);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  color: var(--page-download-text-main);
}

.page-download__feature-title {
  color: var(--page-download-gold-color);
  font-size: 1.3em;
  margin-bottom: 10px;
}

.page-download__feature-description {
  color: var(--page-download-text-secondary);
  font-size: 1em;
}

.page-download__video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  max-width: 100%;
  background: #000;
  margin-top: 40px;
  border-radius: 12px;
  width: 100%; /* Desktop width */
  box-sizing: border-box;
}

.page-download__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  cursor: pointer;
  filter: none; /* No CSS filter to change color */
}

.page-download__promo-list {
  list-style: none;
  padding: 0;
  margin: 30px 0;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

.page-download__promo-list li {
  background-color: var(--page-download-deep-green);
  border-left: 5px solid var(--page-download-gold-color);
  border-radius: 8px;
  padding: 15px 20px;
  margin-bottom: 15px;
  color: var(--page-download-text-main);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.page-download__image-responsive {
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 12px;
  margin-top: 30px;
  filter: none; /* No CSS filter to change color */
}

.page-download__security-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

.page-download__security-list li {
  background-color: var(--page-download-deep-green);
  border-left: 5px solid var(--page-download-primary-color);
  border-radius: 8px;
  padding: 15px 20px;
  margin-bottom: 15px;
  color: var(--page-download-text-main);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

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

.page-download__faq-item {
  background-color: var(--page-download-card-bg);
  border: 1px solid var(--page-download-border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--page-download-text-main);
}

.page-download__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  font-weight: bold;
  font-size: 1.1em;
  color: var(--page-download-gold-color);
  list-style: none; /* Hide default marker */
}

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

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

.page-download__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  color: var(--page-download-secondary-color);
}

.page-download__faq-item[open] .page-download__faq-toggle {
  content: '−';
}

.page-download__faq-answer {
  padding: 0 25px 20px;
  color: var(--page-download-text-secondary);
  font-size: 1em;
}

.page-download__faq-answer p {
  margin-bottom: 0;
}

/* Responsive styles */
@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 {
    padding: 40px 15px;
    padding-top: 10px !important;
  }
  .page-download__hero-title {
    font-size: 1.8em;
    margin-bottom: 15px;
  }
  .page-download__hero-description {
    font-size: 1em;
  }
  .page-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding-left: 15px;
    padding-right: 15px;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-download__btn-primary,
  .page-download__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
    white-space: normal !important;
    word-wrap: break-word !important;
    box-sizing: border-box !important;
  }

  .page-download__section {
    padding: 40px 15px;
  }
  .page-download__section-title {
    font-size: 1.8em;
    margin-bottom: 25px;
  }
  .page-download__paragraph {
    font-size: 0.95em;
  }

  .page-download__features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-download__card,
  .page-download__qr-card {
    padding: 20px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-download__qr-section {
    flex-direction: column;
    gap: 30px;
  }

  /* Mobile image responsiveness */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    filter: none; /* No CSS filter to change color */
  }

  /* Mobile video responsiveness */
  .page-download video,
  .page-download__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    filter: none; /* No CSS filter to change color */
  }
  .page-download__video-wrapper {
    padding-bottom: 56.25% !important; /* Ensure aspect ratio */
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .page-download__video {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
  }

  .page-download__feature-list li,
  .page-download__promo-list li,
  .page-download__security-list li {
    padding: 15px;
  }
  .page-download__faq-item summary {
    padding: 15px 20px;
    font-size: 1em;
  }
  .page-download__faq-answer {
    padding: 0 20px 15px;
  }

  .page-download__container,
  .page-download__hero-content,
  .page-download__faq-list {
    padding-left: 15px;
    padding-right: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}