/* Base styles for the download page */
.page-download {
  font-family: 'Arial', sans-serif;
  color: #333333; /* Default dark text on light body background */
  line-height: 1.6;
}

/* Hero Section */
.page-download__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 10px 20px 60px; /* Small top padding, more bottom padding */
  background: #017439; /* Brand primary color */
  color: #ffffff;
}

.page-download__hero-image {
  width: 100%;
  max-height: 700px;
  overflow: hidden;
  margin-bottom: 30px;
}

.page-download__hero-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover; /* Desktop: cover to fill space */
  object-position: center;
  max-height: 600px;
}

.page-download__hero-content {
  max-width: 900px;
  z-index: 1;
}

.page-download__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: #FFFF00; /* Highlighted color for main title */
}

.page-download__description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

/* General Section Styling */
.page-download__section-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: #017439;
}

.page-download__dark-section .page-download__section-title {
  color: #ffffff;
}

.page-download__light-bg {
  background: #ffffff;
  color: #333333;
  padding: 60px 20px;
}

.page-download__dark-section {
  background: #017439;
  color: #ffffff;
  padding: 60px 20px;
}

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

.page-download__feature-card {
  background: #ffffff;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  padding: 30px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: #333333;
  overflow: hidden;
}

.page-download__feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.page-download__feature-card img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 20px;
  border-radius: 8px;
  min-width: 200px; /* Ensure min size */
  min-height: 200px;
  object-fit: cover;
}

.page-download__card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: #017439;
}

/* Guide Section */
.page-download__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto 50px;
}

.page-download__step-item {
  text-align: center;
  color: #ffffff;
}

.page-download__step-item img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 20px;
  border-radius: 8px;
  min-width: 200px; /* Ensure min size */
  min-height: 200px;
  object-fit: cover;
}

.page-download__step-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: #FFFF00; /* Highlighted color */
}

.page-download__cta-buttons--center {
  margin-top: 40px;
}

/* Benefits Section */
.page-download__benefits-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-download__benefits-text {
  flex: 1;
  min-width: 300px;
}

.page-download__benefits-text p {
  margin-bottom: 15px;
  font-size: 1rem;
}

.page-download__benefit-list {
  list-style: none;
  padding: 0;
  margin-top: 20px;
}

.page-download__benefit-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 10px;
  font-size: 1rem;
}

.page-download__benefit-list li::before {
  content: '✅';
  position: absolute;
  left: 0;
  top: 0;
}

.page-download__benefits-image {
  flex: 1;
  min-width: 300px;
  text-align: center;
}

.page-download__benefits-image img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  min-width: 200px; /* Ensure min size */
  min-height: 200px;
  object-fit: cover;
}

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

details.page-download__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #e0e0e0;
  overflow: hidden;
  background: #fff;
}
details.page-download__faq-item summary.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}
details.page-download__faq-item summary.page-download__faq-question::-webkit-details-marker {
  display: none;
}
details.page-download__faq-item summary.page-download__faq-question:hover {
  background: #f5f5f5;
}
.page-download__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #017439;
}
.page-download__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #666;
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-download__faq-item .page-download__faq-answer {
  padding: 0 20px 20px;
  background: #f9f9f9;
  border-radius: 0 0 5px 5px;
  color: #333333;
}

/* Final CTA Section */
.page-download__cta-final-section {
  text-align: center;
  padding: 80px 20px;
}

.page-download__cta-final-section .page-download__section-title {
  margin-bottom: 25px;
}

.page-download__cta-final-section p {
  font-size: 1.15rem;
  max-width: 800px;
  margin: 0 auto 40px;
  color: #ffffff;
}

/* Button styles */
.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  max-width: 100%; /* Base responsive */
  box-sizing: border-box; /* Base responsive */
  white-space: normal; /* Base responsive */
  word-wrap: break-word; /* Base responsive */
}

.page-download__btn-primary {
  background: #C30808; /* Custom color for Register/Login */
  color: #FFFF00; /* Custom font color */
  border: 2px solid #C30808;
}

.page-download__btn-primary:hover {
  background: #a30606;
  border-color: #a30606;
}

.page-download__btn-secondary {
  background: #ffffff;
  color: #017439;
  border: 2px solid #017439;
}

.page-download__btn-secondary:hover {
  background: #f0f0f0;
  color: #017439;
  border-color: #017439;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-download__hero-image img {
    max-height: 500px;
  }
  .page-download__main-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }
  .page-download__description {
    font-size: 1rem;
  }
  .page-download__features-grid,
  .page-download__guide-steps {
    gap: 20px;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  .page-download__benefits-content {
    flex-direction: column;
    text-align: center;
  }
  .page-download__benefits-image {
    order: -1; /* Image above text on smaller screens */
  }
  .page-download__benefits-text {
    text-align: left;
  }
  .page-download__benefit-list {
    padding-left: 20px;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-download__hero-section {
    padding: 10px 15px 40px;
  }
  .page-download__hero-image img {
    object-fit: contain !important; /* Mobile: contain to prevent cropping */
    aspect-ratio: unset !important;
    max-height: 400px;
  }
  .page-download__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
    margin-bottom: 15px;
  }
  .page-download__description {
    font-size: 0.95rem;
    margin-bottom: 25px;
  }
  .page-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0 15px;
  }

  /* General Section Styling */
  .page-download__section-title {
    font-size: clamp(1.5rem, 6vw, 2.2rem);
    margin-bottom: 30px;
  }
  .page-download__light-bg, .page-download__dark-section {
    padding: 40px 15px;
  }

  /* 产品展示图区域 & 装饰主标题 + 长文 SEO 区 (Features/Guide/Benefits) */
  .page-download__features-grid,
  .page-download__guide-steps {
    grid-template-columns: 1fr; /* Single column on mobile */
    gap: 25px;
    overflow-x: hidden; /* Prevent horizontal scroll */
  }

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

  .page-download__feature-card img,
  .page-download__step-item img,
  .page-download__benefits-image img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-width: unset; /* Allow smaller images on mobile if needed */
    min-height: unset;
  }

  /* 通用图片与容器 */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-download__hero-section,
  .page-download__features-section,
  .page-download__guide-section,
  .page-download__benefits-section,
  .page-download__faq-section,
  .page-download__cta-final-section,
  .page-download__feature-card,
  .page-download__step-item,
  .page-download__benefits-content {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-download__hero-section {
    padding-left: 0 !important; /* Hero section content will have padding */
    padding-right: 0 !important;
  }

  /* 按钮与按钮容器 */
  .page-download__cta-button,
  .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: 12px 20px;
    font-size: 1rem;
  }
  .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: 0px !important;
    padding-right: 0px !important;
    flex-wrap: wrap !important;
    gap: 10px;
  }
  .page-download__cta-buttons {
    flex-direction: column;
  }

  /* FAQ */
  details.page-download__faq-item summary.page-download__faq-question { padding: 15px; }
  .page-download__faq-qtext { font-size: 15px; }
  details.page-download__faq-item .page-download__faq-answer { padding: 0 15px 15px; }

  /* Final CTA */
  .page-download__cta-final-section {
    padding: 60px 15px;
  }
  .page-download__cta-final-section p {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .page-download__hero-image img {
    max-height: 300px;
  }
  .page-download__main-title {
    font-size: clamp(1.5rem, 8vw, 2.2rem);
  }
  .page-download__cta-buttons {
    gap: 10px;
  }
  .page-download__btn-primary,
  .page-download__btn-secondary {
    padding: 10px 15px;
    font-size: 0.9rem;
  }
  .page-download__section-title {
    font-size: clamp(1.3rem, 7vw, 2rem);
  }
}