:root {
  --primary-color: #F2C14E;
  --secondary-color: #FFD36B;
  --card-bg: #111111;
  --bg-color: #0A0A0A; /* Assuming body background is set by shared.css to a dark color */
  --text-main: #FFF6D6;
  --border-color: #3A2A12;
  --glow-color: #FFD36B;
  --button-gradient: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
}

.page-download {
  color: var(--text-main); /* Light text for dark background */
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: var(--bg-color); /* Fallback, assuming shared.css sets body background */
}

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

.page-download__hero-section {
  padding-top: 10px; /* Small top padding, header offset handled by body */
  padding-bottom: 60px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.page-download__hero-image-wrapper {
  position: relative;
  width: 100%;
  height: auto;
  margin-bottom: 40px;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

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

.page-download__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 0 10px rgba(255, 211, 107, 0.4);
}

.page-download__hero-description {
  font-size: 1.2rem;
  color: var(--text-main);
  margin-bottom: 30px;
}

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

.page-download__btn-primary,
.page-download__btn-secondary,
.page-download__btn-qr-download,
.page-download__btn-contact {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-download__btn-primary {
  background: var(--button-gradient);
  color: #ffffff; /* White text for contrast */
  border: none;
  box-shadow: 0 4px 15px rgba(242, 193, 78, 0.4);
}

.page-download__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(242, 193, 78, 0.6);
  opacity: 0.9;
}

.page-download__btn-secondary {
  background: transparent;
  color: var(--secondary-color);
  border: 2px solid var(--secondary-color);
  box-shadow: 0 4px 15px rgba(255, 211, 107, 0.2);
}

.page-download__btn-secondary:hover {
  transform: translateY(-3px);
  background: rgba(255, 211, 107, 0.1);
  box-shadow: 0 6px 20px rgba(255, 211, 107, 0.4);
}

.page-download__section-title {
  font-size: 2.5rem;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 20px;
  margin-top: 60px;
  text-shadow: 0 0 8px rgba(242, 193, 78, 0.3);
}

.page-download__section-description {
  font-size: 1.1rem;
  color: var(--text-main);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px auto;
  opacity: 0.9;
}

.page-download__benefits-section,
.page-download__how-to-download-section,
.page-download__features-section,
.page-download__security-support-section,
.page-download__faq-section,
.page-download__cta-final-section {
  padding: 80px 0;
}

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

.page-download__benefit-card {
  background: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease;
}

.page-download__benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.page-download__benefit-title {
  font-size: 1.6rem;
  color: var(--secondary-color);
  margin-bottom: 15px;
  text-shadow: 0 0 5px rgba(255, 211, 107, 0.2);
}

.page-download__benefit-text {
  font-size: 1rem;
  color: var(--text-main);
  opacity: 0.85;
}

.page-download__download-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 40px;
  margin-top: 50px;
}

.page-download__step-card {
  background: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
}

.page-download__step-title {
  font-size: 1.8rem;
  color: var(--primary-color);
  margin-bottom: 25px;
  text-align: center;
  text-shadow: 0 0 6px rgba(242, 193, 78, 0.3);
}

.page-download__step-image-wrapper {
  margin-bottom: 25px;
  text-align: center;
}

.page-download__step-image {
  width: 100%;
  height: auto;
  max-width: 600px;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.page-download__step-list {
  list-style: none;
  padding: 0;
}

.page-download__step-list li {
  margin-bottom: 20px;
  background: rgba(255, 255, 255, 0.05);
  padding: 20px;
  border-radius: 8px;
  border: 1px solid rgba(58, 42, 18, 0.5);
}

.page-download__step-subtitle {
  font-size: 1.3rem;
  color: var(--secondary-color);
  margin-bottom: 10px;
}

.page-download__step-list p {
  font-size: 1rem;
  color: var(--text-main);
  opacity: 0.85;
}

.page-download__qr-code-section {
  text-align: center;
  margin-top: 80px;
  background: var(--card-bg);
  padding: 50px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-download__section-subtitle {
  font-size: 1.8rem;
  color: var(--primary-color);
  margin-bottom: 20px;
  text-shadow: 0 0 6px rgba(242, 193, 78, 0.3);
}

.page-download__qr-description {
  font-size: 1.1rem;
  color: var(--text-main);
  margin-bottom: 30px;
  opacity: 0.9;
}

.page-download__qr-code-wrapper {
  margin-bottom: 40px;
}

.page-download__qr-code {
  width: 100%;
  max-width: 300px;
  height: auto;
  border: 5px solid #ffffff;
  border-radius: 8px;
  box-shadow: 0 0 20px rgba(255, 211, 107, 0.5);
}

.page-download__btn-qr-download {
  margin-top: 20px;
}

.page-download__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.page-download__feature-card {
  background: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease;
}

.page-download__feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.page-download__feature-title {
  font-size: 1.6rem;
  color: var(--secondary-color);
  margin-bottom: 15px;
  text-shadow: 0 0 5px rgba(255, 211, 107, 0.2);
}

.page-download__feature-text {
  font-size: 1rem;
  color: var(--text-main);
  opacity: 0.85;
}

.page-download__features-image-wrapper {
  text-align: center;
  margin-top: 50px;
}

.page-download__features-image {
  width: 100%;
  height: auto;
  max-width: 1000px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-download__security-support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 40px;
  margin-top: 50px;
}

.page-download__security-card,
.page-download__support-card {
  background: var(--card-bg);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  text-align: center;
}

.page-download__security-title,
.page-download__support-title {
  font-size: 1.8rem;
  color: var(--primary-color);
  margin-bottom: 20px;
  text-shadow: 0 0 6px rgba(242, 193, 78, 0.3);
}

.page-download__security-text,
.page-download__support-text {
  font-size: 1.05rem;
  color: var(--text-main);
  margin-bottom: 30px;
  opacity: 0.85;
}

.page-download__security-image {
  width: 100%;
  height: auto;
  max-width: 500px;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.page-download__btn-contact {
  margin-top: 20px;
}

.page-download__faq-list {
  margin-top: 50px;
  margin-bottom: 50px;
}

.page-download__faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--secondary-color);
  cursor: pointer;
  background: rgba(255, 211, 107, 0.05);
  transition: background 0.3s ease;
  list-style: none; /* For details/summary */
}

.page-download__faq-question::-webkit-details-marker, /* Hide default marker for Chrome/Safari */
.page-download__faq-question::marker { /* Hide default marker for Firefox */
  display: none;
}

.page-download__faq-question:hover {
  background: rgba(255, 211, 107, 0.1);
}

.page-download__faq-item[open] .page-download__faq-question {
  background: rgba(255, 211, 107, 0.15);
}

.page-download__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  color: var(--primary-color);
  transition: transform 0.3s ease;
}

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

.page-download__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1rem;
  color: var(--text-main);
  line-height: 1.6;
  opacity: 0.85;
}

.page-download__faq-image {
  width: 100%;
  height: auto;
  max-width: 600px;
  display: block;
  margin: 50px auto 0 auto;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-download__cta-final-section {
  text-align: center;
  padding-bottom: 100px;
}

/* --- General Image & Button Responsive Styles (Desktop first, then Mobile) --- */
.page-download img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-download__section,
.page-download__card,
.page-download__container {
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
}

.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%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-download__cta-buttons,
.page-download__button-group,
.page-download__btn-container {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

/* --- Media Queries for Mobile (max-width: 768px) --- */
@media (max-width: 768px) {
  .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 for mobile */
    padding-bottom: 40px;
  }

  .page-download__main-title {
    font-size: clamp(2rem, 8vw, 2.5rem); /* Adjust clamp for mobile */
    margin-bottom: 15px;
  }

  .page-download__hero-description {
    font-size: 1rem;
    margin-bottom: 25px;
  }

  .page-download__cta-buttons {
    flex-direction: column; /* Stack buttons vertically on mobile */
    gap: 15px;
    padding: 0 15px;
  }

  .page-download__btn-primary,
  .page-download__btn-secondary,
  .page-download__btn-qr-download,
  .page-download__btn-contact,
  .page-download a[class*="button"],
  .page-download a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 20px;
    font-size: 1rem;
  }

  /* 其他内容模块 - 通用 Section */
  .page-download__section-title {
    font-size: 2rem;
    margin-top: 40px;
    margin-bottom: 15px;
  }

  .page-download__section-description {
    font-size: 0.95rem;
    margin-bottom: 30px;
    padding: 0 15px;
  }

  .page-download__benefits-section,
  .page-download__how-to-download-section,
  .page-download__features-section,
  .page-download__security-support-section,
  .page-download__faq-section,
  .page-download__cta-final-section {
    padding: 40px 0;
  }

  /* 产品展示图区域 - Benefits Grid */
  .page-download__benefits-grid {
    grid-template-columns: 1fr; /* Single column on mobile */
    gap: 20px;
    padding: 0 15px;
  }

  .page-download__benefit-card {
    padding: 25px;
  }

  .page-download__benefit-title {
    font-size: 1.4rem;
  }

  /* Download Steps */
  .page-download__download-steps {
    grid-template-columns: 1fr; /* Single column on mobile */
    gap: 30px;
    margin-top: 30px;
    padding: 0 15px;
  }

  .page-download__step-card {
    padding: 25px;
  }

  .page-download__step-title {
    font-size: 1.6rem;
  }

  .page-download__step-subtitle {
    font-size: 1.15rem;
  }

  .page-download__qr-code-section {
    margin-top: 40px;
    padding: 30px 15px;
  }

  .page-download__section-subtitle {
    font-size: 1.6rem;
  }

  .page-download__qr-description {
    font-size: 1rem;
  }

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

  /* Features Grid */
  .page-download__features-grid {
    grid-template-columns: 1fr; /* Single column on mobile */
    gap: 20px;
    padding: 0 15px;
  }

  .page-download__feature-card {
    padding: 25px;
  }

  .page-download__feature-title {
    font-size: 1.4rem;
  }

  .page-download__features-image-wrapper {
    margin-top: 30px;
    padding: 0 15px;
  }

  /* Security Support Grid */
  .page-download__security-support-grid {
    grid-template-columns: 1fr; /* Single column on mobile */
    gap: 30px;
    margin-top: 30px;
    padding: 0 15px;
  }

  .page-download__security-card,
  .page-download__support-card {
    padding: 30px;
  }

  .page-download__security-title,
  .page-download__support-title {
    font-size: 1.6rem;
  }

  /* FAQ Section */
  .page-download__faq-list {
    margin-top: 30px;
    margin-bottom: 30px;
    padding: 0 15px;
  }

  .page-download__faq-question {
    padding: 15px 20px;
    font-size: 1.1rem;
  }

  .page-download__faq-toggle {
    font-size: 1.5rem;
  }

  .page-download__faq-answer {
    padding: 0 20px 15px 20px;
    font-size: 0.95rem;
  }

  .page-download__faq-image {
    margin-top: 30px;
    max-width: 100%;
    padding: 0 15px;
  }

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

  .page-download__section,
  .page-download__card,
  .page-download__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-download__cta-final-section {
    padding-bottom: 60px;
  }
}

/* Ensure no filter on images */
.page-download img {
  filter: none; /* Explicitly remove any filter */
}

/* Contrast Fixes (as per instructions) */
.page-download__dark-bg {
  color: #ffffff; /* 深色背景配浅色文字 */
  background: #F2C14E; /* Using brand color but ensure contrast */
}

.page-download__light-bg {
  color: #333333; /* 浅色背景配深色文字 */
  background: #ffffff;
}

.page-download__medium-bg {
  color: #000000; /* Default use dark text */
  background: #FFD36B;
}

.page-download__content-area,
.page-download__text-block {
  color: var(--text-main); /* Ensure readable on dark bg */
  background: transparent; /* Default transparent for dark body bg */
}

.page-download p,
.page-download li {
  color: var(--text-main); /* Ensure readable on dark bg */
}

.page-download__card {
  background: var(--card-bg); /* Dark card background */
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.page-download__dark-section {
  background: var(--bg-color);
  color: #ffffff; /* Forced white text */
}

.page-download__btn-primary {
  background: var(--button-gradient);
  color: #ffffff; /* Button text always white */
  border: 2px solid transparent;
}

.page-download__btn-secondary {
  background: transparent;
  color: var(--secondary-color); /* Use brand color ensure contrast */
  border: 2px solid var(--secondary-color);
}