/* style/download.css */

:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --dark-text-color: #333333;
  --light-text-color: #FFFFFF;
  --login-color: #EA7C07;
  --background-light: #FFFFFF;
  --background-dark: #1a1a1a; /* Assuming --black-color from shared.css is a dark value */
  --card-background-dark: rgba(255, 255, 255, 0.1);
  --border-color: #e0e0e0;
  --gap-medium: 20px;
  --gap-large: 40px;
}

.page-download {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--light-text-color); /* Default text color for dark body background */
  background-color: var(--background-dark); /* Ensure consistency with body background */
}

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

.page-download__dark-section {
  background-color: var(--primary-color);
  color: var(--light-text-color);
  padding: 80px 0;
}

.page-download__light-bg {
  background-color: var(--background-light);
  color: var(--dark-text-color);
  padding: 80px 0;
}

.page-download__section-title {
  font-size: 2.5em;
  text-align: center;
  margin-bottom: var(--gap-medium);
  color: inherit;
  font-weight: bold;
}

.page-download__section-description {
  font-size: 1.1em;
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--gap-large);
  color: inherit;
}

/* Hero Section */
.page-download__hero-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, #1a1a1a 100%);
  padding-top: 0; /* shared.css handles body padding-top */
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}

.page-download__hero-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-large);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-download__hero-content {
  flex: 1;
  max-width: 50%;
  text-align: left;
  z-index: 1;
}

.page-download__hero-title {
  font-size: 3.2em;
  margin-bottom: var(--gap-medium);
  line-height: 1.2;
  color: var(--light-text-color);
}

.page-download__hero-description {
  font-size: 1.2em;
  margin-bottom: var(--gap-large);
  color: var(--light-text-color);
}

.page-download__cta-buttons {
  display: flex;
  gap: var(--gap-medium);
  flex-wrap: wrap;
}

.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-download__btn-primary {
  background-color: var(--login-color); /* Orange for primary action */
  color: var(--light-text-color);
  border: 2px solid var(--login-color);
}

.page-download__btn-primary:hover {
  background-color: #e06c00;
  border-color: #e06c00;
  transform: translateY(-2px);
}

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

.page-download__btn-secondary:hover {
  background-color: var(--light-text-color);
  color: var(--primary-color);
  transform: translateY(-2px);
}

.page-download__hero-image-wrapper {
  flex: 1;
  max-width: 45%;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  z-index: 0;
}

.page-download__hero-image {
  max-width: 100%;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  display: block;
}

/* Why Download Section */
.page-download__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap-medium);
  margin-top: var(--gap-large);
}

.page-download__card {
  background-color: var(--background-light);
  color: var(--dark-text-color);
  border-radius: 12px;
  padding: var(--gap-medium);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-download__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-download__card-title {
  font-size: 1.5em;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.page-download__card-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 15px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

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

/* How to Download Section */
.page-download__download-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap-medium);
  margin-top: var(--gap-large);
}

.page-download__step-card {
  background-color: var(--card-background-dark);
  color: var(--light-text-color);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-download__step-card .page-download__card-title {
  color: var(--light-text-color);
}

.page-download__step-card .page-download__card-text {
  color: rgba(255, 255, 255, 0.9);
}

.page-download__qr-code-section {
  text-align: center;
  margin-top: var(--gap-large);
  padding: var(--gap-medium);
  background-color: var(--card-background-dark);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-download__qr-code-title {
  font-size: 1.8em;
  margin-bottom: 15px;
  color: var(--light-text-color);
}

.page-download__qr-code-image {
  max-width: 250px;
  height: auto;
  border-radius: 8px;
  margin: 0 auto 15px;
  display: block;
  background-color: var(--light-text-color);
  padding: 10px;
}

.page-download__qr-code-text {
  font-size: 1em;
  color: rgba(255, 255, 255, 0.8);
}

/* App Features Section */
.page-download__features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--gap-medium);
  margin-top: var(--gap-large);
}

.page-download__feature-item {
  background-color: var(--background-light);
  color: var(--dark-text-color);
  border-radius: 12px;
  padding: var(--gap-medium);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.page-download__feature-item:hover {
  transform: translateY(-3px);
}

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

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

/* FAQ Section */
.page-download__faq-list {
  margin-top: var(--gap-large);
}

.page-download__faq-item {
  background-color: var(--card-background-dark);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  margin-bottom: 10px;
  overflow: hidden;
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  font-size: 1.1em;
  font-weight: bold;
  cursor: pointer;
  color: var(--light-text-color);
  transition: background-color 0.3s ease;
}

.page-download__faq-question:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

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

.page-download__faq-item.active .page-download__faq-toggle {
  transform: rotate(45deg);
}

.page-download__faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 20px;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: rgba(255, 255, 255, 0.8);
}

.page-download__faq-item.active .page-download__faq-answer {
  max-height: 1000px !important; /* Sufficiently large for content */
  padding: 15px 20px;
}

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

/* Call to Action Bottom Section */
.page-download__cta-bottom-content {
  text-align: center;
  padding-top: var(--gap-large);
  padding-bottom: var(--gap-large);
}

.page-download__cta-bottom-section .page-download__section-title {
  color: var(--primary-color);
}

.page-download__cta-bottom-section .page-download__section-description {
  color: var(--dark-text-color);
}

.page-download__cta-bottom-section .page-download__cta-buttons {
  justify-content: center;
  margin-top: var(--gap-medium);
}

.page-download__btn-large {
  padding: 18px 35px;
  font-size: 1.2em;
}

.page-download__icon-download,
.page-download__icon-register {
  width: 24px;
  height: 24px;
  margin-right: 10px;
}

.page-download__btn-primary .page-download__icon-download {
  fill: var(--light-text-color);
}

.page-download__btn-secondary .page-download__icon-register {
  fill: var(--primary-color);
}


/* Responsive Styles for Mobile */
@media (max-width: 768px) {
  .page-download {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-download__container {
    padding: 0 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }

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

  .page-download__section-description {
    font-size: 1em;
    margin-bottom: 30px;
  }

  /* HERO 主图区域 */
  .page-download__hero-section {
    padding-top: 0; /* Already handled by shared, prevent double padding */
    padding-bottom: 40px;
  }

  .page-download__hero-container {
    flex-direction: column;
    text-align: center;
    padding: 0 15px;
  }

  .page-download__hero-content {
    max-width: 100%;
    order: 2; /* Content after image on mobile */
    padding-top: 20px; /* Add some space above content if image is first */
  }

  .page-download__hero-title {
    font-size: 2.2em;
    text-align: center;
  }

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

  .page-download__cta-buttons {
    flex-direction: column;
    gap: 10px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }

  /* 按钮与按钮容器 */
  .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__hero-image-wrapper {
    max-width: 100%;
    order: 1;
    justify-content: center;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }

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

  .page-download__why-download-section,
  .page-download__how-to-download-section,
  .page-download__app-features-section,
  .page-download__faq-section,
  .page-download__cta-bottom-section {
    padding: 40px 0;
  }

  .page-download__benefits-grid,
  .page-download__download-steps-grid,
  .page-download__features-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-download__card,
  .page-download__feature-item {
    padding: 20px;
  }

  .page-download__faq-question {
    font-size: 1em;
    padding: 12px 15px;
  }

  .page-download__faq-answer {
    padding: 10px 15px;
  }

  .page-download__faq-item.active .page-download__faq-answer {
    padding: 10px 15px;
  }

  .page-download__qr-code-section {
    padding: 20px;
  }

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

  .page-download__btn-large {
    padding: 15px 25px;
    font-size: 1.1em;
  }
}