/* style/download.css */
/* body 已 padding-top: var(--header-offset)；页面禁止再写该变量 */
.page-download {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #ffffff; /* Default text color for dark body background */
  background-color: transparent; /* Body background handled by shared.css */
}

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

.page-download__section {
  padding: 60px 0;
  text-align: center;
}

.page-download__section-title {
  font-size: 2.5em;
  font-weight: bold;
  margin-bottom: 20px;
  color: #26A9E0;
}

.page-download__text-block {
  font-size: 1.1em;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: #f0f0f0;
}

.page-download__text-block a,
.page-download p a,
.page-download li a {
  color: #26A9E0;
  text-decoration: none;
}

.page-download__text-block a:hover,
.page-download p a:hover,
.page-download li a:hover {
  text-decoration: underline;
}

/* Hero Section */
.page-download__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 20px 60px 20px; /* Small top padding, larger bottom */
  position: relative;
  overflow: hidden;
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-width: 1920px;
  margin-bottom: 30px;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-download__hero-content {
  max-width: 900px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.page-download__main-title {
  font-size: clamp(2em, 4vw, 3.2em);
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 15px;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.page-download__description {
  font-size: 1.2em;
  color: #f0f0f0;
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  min-width: 200px;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-download__btn-primary {
  background-color: #26A9E0;
  color: #ffffff;
  border: 2px solid #26A9E0;
}

.page-download__btn-primary:hover {
  background-color: #1a8cc2;
  border-color: #1a8cc2;
  transform: translateY(-2px);
}

.page-download__btn-secondary {
  background-color: #ffffff;
  color: #26A9E0;
  border: 2px solid #26A9E0;
}

.page-download__btn-secondary:hover {
  background-color: #f0f0f0;
  border-color: #1a8cc2;
  color: #1a8cc2;
  transform: translateY(-2px);
}

/* Why Download Section */
.page-download__why-download .page-download__section-title {
  color: #26A9E0;
}

.page-download__why-download .page-download__text-block {
  color: #333333;
}

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

.page-download__feature-item {
  background: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
  color: #ffffff;
}

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

.page-download__feature-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 15px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  border-radius: 50%;
  object-fit: cover;
}

.page-download__feature-title {
  font-size: 1.4em;
  font-weight: bold;
  margin-bottom: 10px;
  color: #26A9E0;
}

.page-download__feature-description {
  font-size: 1em;
  color: #f0f0f0;
}

/* Key Features Section */
.page-download__key-features .page-download__section-title {
  color: #ffffff;
}

.page-download__key-features .page-download__text-block {
  color: #f0f0f0;
}

.page-download__feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.page-download__list-item {
  background: rgba(255, 255, 255, 0.08);
  padding: 25px;
  border-radius: 10px;
  text-align: left;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  color: #ffffff;
}

.page-download__list-title {
  font-size: 1.3em;
  font-weight: bold;
  margin-bottom: 10px;
  color: #26A9E0;
}

.page-download__list-description {
  font-size: 0.95em;
  color: #e0e0e0;
}

/* Download Guide Section */
.page-download__download-guide .page-download__section-title {
  color: #26A9E0;
}

.page-download__download-guide .page-download__text-block {
  color: #333333;
}

.page-download__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__step-card {
  background: #ffffff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  text-align: left;
  color: #333333;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-download__step-title {
  font-size: 1.5em;
  font-weight: bold;
  margin-bottom: 15px;
  color: #26A9E0;
}

.page-download__step-description {
  font-size: 1em;
  margin-bottom: 20px;
  color: #555555;
}

.page-download__step-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  margin-top: auto; /* Push image to bottom if content above is shorter */
  object-fit: cover;
}

/* Supported Devices Section */
.page-download__supported-devices .page-download__section-title {
  color: #ffffff;
}

.page-download__supported-devices .page-download__text-block {
  color: #f0f0f0;
}

.page-download__device-info {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 40px;
}

.page-download__device-item {
  background: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 12px;
  text-align: left;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  flex: 1;
  max-width: 450px;
  color: #ffffff;
}

.page-download__device-title {
  font-size: 1.5em;
  font-weight: bold;
  margin-bottom: 10px;
  color: #26A9E0;
}

.page-download__device-description {
  font-size: 1em;
  color: #e0e0e0;
}

/* Security Info Section */
.page-download__security-info .page-download__section-title {
  color: #26A9E0;
}

.page-download__security-info .page-download__text-block {
  color: #333333;
}

.page-download__security-image {
  width: 100%;
  max-width: 1000px;
  height: auto;
  display: block;
  margin: 30px auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  object-fit: cover;
}

/* Exclusive Promotions Section */
.page-download__exclusive-promotions .page-download__section-title {
  color: #ffffff;
}

.page-download__exclusive-promotions .page-download__text-block {
  color: #f0f0f0;
}

.page-download__promo-list {
  list-style: none;
  padding: 0;
  margin: 30px auto;
  max-width: 700px;
  text-align: left;
}

.page-download__promo-item {
  background: rgba(255, 255, 255, 0.08);
  padding: 15px 20px;
  margin-bottom: 10px;
  border-radius: 8px;
  font-size: 1.1em;
  color: #ffffff;
  display: flex;
  align-items: center;
}

.page-download__promo-item::before {
  content: '★';
  color: #26A9E0;
  font-size: 1.2em;
  margin-right: 10px;
}

/* Video Showcase Section */
.page-download__video-showcase .page-download__section-title {
  color: #26A9E0;
}

.page-download__video-showcase .page-download__text-block {
  color: #333333;
}

.page-download__video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  max-width: 100%;
  width: 100%;
  margin: 30px auto;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.page-download__video-wrapper .page-download__video-link {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: pointer;
  z-index: 1;
}

.page-download__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  object-fit: cover;
}

/* FAQ Section */
.page-download__faq-section .page-download__section-title {
  color: #ffffff;
}

.page-download__faq-list {
  max-width: 800px;
  margin: 40px auto 0 auto;
  text-align: left;
}

.page-download__faq-item {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  color: #ffffff;
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.2em;
  font-weight: bold;
  cursor: pointer;
  color: #26A9E0;
  transition: background-color 0.3s ease;
  list-style: none;
}

.page-download__faq-item[open] > .page-download__faq-question {
  background-color: rgba(255, 255, 255, 0.15);
}

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

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

.page-download__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  color: #26A9E0;
}

.page-download__faq-answer {
  padding: 0 20px 20px 20px;
  font-size: 1em;
  color: #e0e0e0;
  line-height: 1.8;
}

/* CTA Bottom Section */
.page-download__cta-bottom .page-download__section-title {
  color: #26A9E0;
}

.page-download__cta-bottom .page-download__text-block {
  color: #333333;
}

/* Dark/Light Background Classes for Contrast */
.page-download__dark-bg {
  background-color: #0a0a0a; /* Body background color */
  color: #ffffff; /* Light text for dark background */
}

.page-download__light-bg {
  background-color: #ffffff;
  color: #333333; /* Dark text for light background */
}

.page-download__light-bg .page-download__section-title,
.page-download__light-bg .page-download__feature-title,
.page-download__light-bg .page-download__step-title,
.page-download__light-bg .page-download__device-title {
  color: #26A9E0;
}

.page-download__light-bg .page-download__text-block,
.page-download__light-bg .page-download__feature-description,
.page-download__light-bg .page-download__step-description,
.page-download__light-bg .page-download__device-description,
.page-download__light-bg .page-download__faq-answer {
  color: #333333;
}

.page-download__light-bg a {
  color: #26A9E0;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-download__section-title {
    font-size: 2em;
  }
  .page-download__main-title {
    font-size: clamp(1.8em, 5vw, 2.8em);
  }
  .page-download__description {
    font-size: 1.1em;
  }
  .page-download__device-info {
    flex-direction: column;
    align-items: center;
  }
  .page-download__device-item {
    max-width: 100%;
  }
}

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

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

  .page-download__hero-section {
    padding-top: 10px !important; /* body already handles --header-offset */
    padding-bottom: 40px;
  }

  .page-download__section-title {
    font-size: 1.8em;
    padding: 0 15px;
  }

  .page-download__text-block {
    font-size: 1em;
    padding: 0 15px;
  }

  .page-download__container {
    padding: 0 15px;
  }

  /* Images responsive */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    box-sizing: border-box !important;
  }

  /* Videos responsive */
  .page-download video,
  .page-download__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    box-sizing: border-box !important;
  }

  .page-download__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
    margin: 30px 0;
  }

  .page-download__video-showcase {
    padding-top: 10px !important;
  }

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

  .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;
    padding-right: 15px;
  }

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

  .page-download__feature-item,
  .page-download__list-item,
  .page-download__step-card,
  .page-download__device-item,
  .page-download__promo-item,
  .page-download__faq-item {
    padding-left: 15px;
    padding-right: 15px;
    margin-left: 0;
    margin-right: 0;
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
  }

  .page-download__faq-question {
    font-size: 1.1em;
  }

  .page-download__faq-answer {
    font-size: 0.95em;
  }
}

/* Dark background for elements on light background sections to ensure contrast */
.page-download__light-bg .page-download__feature-item {
  background: #f8f8f8;
  color: #333333;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-download__light-bg .page-download__feature-item .page-download__feature-title {
  color: #26A9E0;
}

.page-download__light-bg .page-download__feature-item .page-download__feature-description {
  color: #555555;
}

.page-download__light-bg .page-download__list-item {
  background: #f8f8f8;
  color: #333333;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.page-download__light-bg .page-download__list-item .page-download__list-title {
  color: #26A9E0;
}

.page-download__light-bg .page-download__list-item .page-download__list-description {
  color: #555555;
}

.page-download__light-bg .page-download__device-item {
  background: #f8f8f8;
  color: #333333;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-download__light-bg .page-download__device-item .page-download__device-title {
  color: #26A9E0;
}

.page-download__light-bg .page-download__device-item .page-download__device-description {
  color: #555555;
}

.page-download__light-bg .page-download__promo-item {
  background: #f8f8f8;
  color: #333333;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.page-download__light-bg .page-download__promo-item::before {
  color: #26A9E0;
}

.page-download__light-bg .page-download__faq-item {
  background: #f8f8f8;
  color: #333333;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.page-download__light-bg .page-download__faq-item[open] > .page-download__faq-question {
  background-color: #e0e0e0;
}

.page-download__light-bg .page-download__faq-qtext {
  color: #333333;
}

.page-download__light-bg .page-download__faq-toggle {
  color: #26A9E0;
}

.page-download__light-bg .page-download__faq-answer {
  color: #555555;
}