/* General styles for .page-download */
.page-download {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main, #333333); /* Default text color, assuming light body background */
  background-color: var(--background, #F5F7FA); /* Default background color */
}

/* Hero Section */
.page-download__hero-section {
  position: relative;
  display: flex;
  flex-direction: column; /* Image on top, content below */
  align-items: center;
  text-align: center;
  padding: 10px 0 40px; /* Small top padding, bottom padding */
  background-color: var(--background, #F5F7FA);
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-width: 1200px; /* Constrain image wrapper */
  margin-bottom: 20px;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}

.page-download__hero-content {
  max-width: 800px;
  padding: 0 20px;
}

.page-download__main-title {
  font-size: clamp(2em, 3.5vw, 2.8em); /* Use clamp for H1 */
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary-color, #E53935);
  margin-bottom: 15px;
}

.page-download__description {
  font-size: 1.1em;
  color: var(--text-main, #333333);
  margin-bottom: 30px;
}

.page-download__cta-button {
  display: inline-block;
  padding: 15px 30px;
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 15px rgba(229, 57, 53, 0.4);
  max-width: 100%; /* For buttons */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-download__cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(229, 57, 53, 0.6);
}

/* Section Title */
.page-download__section-title {
  font-size: 2.2em;
  color: var(--primary-color, #E53935);
  text-align: center;
  margin-bottom: 40px;
  padding: 0 15px;
}

/* Benefits Section */
.page-download__benefits-section {
  padding: 60px 20px;
  background-color: var(--card-bg, #FFFFFF); /* light-bg for this section */
  color: var(--text-main, #333333);
}

.page-download__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-download__benefit-card {
  background-color: var(--card-bg, #FFFFFF);
  border: 1px solid var(--border-color, #E0E0E0);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

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

.page-download__benefit-icon {
  width: 100%;
  max-width: 200px; /* Ensure minimum image size rules are met */
  height: auto;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  border-radius: 5px;
}

.page-download__benefit-title {
  font-size: 1.5em;
  color: var(--primary-color, #E53935);
  margin-bottom: 10px;
}

.page-download__benefit-text {
  font-size: 1em;
  color: var(--text-main, #333333);
}

/* How-To Section */
.page-download__how-to-section {
  padding: 60px 20px;
  background-color: var(--primary-color, #E53935); /* dark-bg for this section */
  color: #ffffff; /* Forced white text for dark background */
}

.page-download__how-to-section .page-download__section-title {
  color: #ffffff; /* Ensure title is white */
}

.page-download__download-platforms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
}

.page-download__platform-card {
  background-color: rgba(255, 255, 255, 0.1); /* Semi-transparent white card on dark background */
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: #ffffff; /* Ensure text is white */
}

.page-download__platform-title {
  font-size: 1.8em;
  margin-bottom: 20px;
  color: #ffffff; /* Ensure title is white */
}

.page-download__platform-image {
  width: 100%;
  max-width: 300px;
  height: auto;
  margin: 0 auto 20px;
  display: block;
  border-radius: 8px;
}

.page-download__download-steps {
  list-style-type: decimal;
  padding-left: 20px;
  text-align: left;
  margin-bottom: 30px;
  font-size: 1em;
  color: #ffffff; /* Ensure list items are white */
}

.page-download__download-steps li {
  margin-bottom: 10px;
}

.page-download__btn-secondary {
  background: #ffffff;
  color: var(--primary-color, #E53935);
  border: 2px solid var(--primary-color, #E53935);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

.page-download__btn-secondary:hover {
  background: var(--primary-color, #E53935);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4);
}

/* FAQ Section */
.page-download__faq-section {
  padding: 60px 20px;
  background-color: var(--background, #F5F7FA); /* light-bg for this section */
  color: var(--text-main, #333333);
}

.page-download__faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.page-download__faq-item {
  background-color: var(--card-bg, #FFFFFF);
  border: 1px solid var(--border-color, #E0E0E0);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.1em;
  font-weight: bold;
  color: var(--text-main, #333333);
  cursor: pointer;
  background-color: #f9f9f9;
  border-bottom: 1px solid var(--border-color, #E0E0E0);
  list-style: none; /* For details summary */
}

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

.page-download__faq-item[open] .page-download__faq-question {
  border-bottom: 1px solid var(--border-color, #E0E0E0);
}

.page-download__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  transition: transform 0.3s ease;
}

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

.page-download__faq-answer {
  padding: 0 20px 20px;
  font-size: 1em;
  color: var(--text-main, #333333);
}

.page-download__faq-answer p {
  margin-top: 10px;
  margin-bottom: 0;
}

/* Conclusion Section */
.page-download__conclusion-section {
  padding: 60px 20px;
  text-align: center;
  background-color: var(--secondary-color, #FF5A4F); /* Another brand color as dark background */
  color: #ffffff; /* Forced white text */
}

.page-download__conclusion-section .page-download__section-title {
  color: #ffffff; /* Ensure title is white */
}

.page-download__conclusion-text {
  font-size: 1.1em;
  max-width: 800px;
  margin: 0 auto 40px;
  color: #ffffff; /* Ensure text is white */
}

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

  /* HERO 主图区域 */
  .page-download__hero-section {
    padding-top: 10px !important; /* Small top padding */
    padding-bottom: 20px !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-download__hero-image-wrapper {
    margin-bottom: 15px !important;
  }

  .page-download__hero-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    border-radius: 5px;
  }

  .page-download__main-title {
    font-size: clamp(1.8em, 7vw, 2.2em) !important;
    margin-bottom: 10px !important;
  }

  .page-download__description {
    font-size: 1em !important;
    margin-bottom: 20px !important;
  }

  /* 按钮与按钮容器 */
  .page-download__cta-button,
  .page-download__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 20px !important;
    font-size: 1em !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__benefits-section,
  .page-download__how-to-section,
  .page-download__faq-section,
  .page-download__conclusion-section,
  .page-download__card,
  .page-download__benefits-grid,
  .page-download__download-platforms,
  .page-download__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-download__section-title {
    font-size: 1.8em !important;
    margin-bottom: 30px !important;
  }

  /* 产品展示图区域 (benefits grid and download platforms) */
  .page-download__benefits-grid,
  .page-download__download-platforms {
    grid-template-columns: 1fr !important; /* Stack cards vertically */
    gap: 20px !important;
  }

  .page-download__benefit-card,
  .page-download__platform-card {
    padding: 20px !important;
  }

  .page-download__benefit-title {
    font-size: 1.3em !important;
  }

  .page-download__platform-title {
    font-size: 1.5em !important;
  }

  .page-download__download-steps {
    padding-left: 15px !important;
  }

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

  .page-download__faq-answer {
    padding: 0 15px 15px !important;
  }

  .page-download__conclusion-text {
    font-size: 1em !important;
    margin-bottom: 30px !important;
  }
}