.page-download {
  color: #333333; /* Default dark text for light body background */
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: #f0f0f0;
}

.page-download__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 20px;
  background: linear-gradient(135deg, #FFD700, #8B0000); /* Brand colors for hero background */
  color: #ffffff;
  padding-top: var(--header-offset, 120px); /* Ensure space below fixed header */
}

.page-download__hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  gap: 40px;
}

.page-download__hero-content {
  text-align: center;
  max-width: 800px;
}

.page-download__hero-title {
  font-size: 48px;
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
  color: #ffffff;
}

.page-download__hero-description {
  font-size: 20px;
  margin-bottom: 30px;
  color: #f0f0f0;
}

.page-download__hero-image {
  width: 100%;
  max-width: 800px;
}

.page-download__hero-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  object-fit: cover;
}

.page-download__cta-button {
  display: inline-block;
  padding: 18px 45px;
  background: #FFD700; /* Primary brand color */
  color: #000000; /* Dark text for contrast on gold */
  text-decoration: none;
  border-radius: 8px;
  font-size: 20px;
  font-weight: bold;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-download__cta-button:hover {
  background: #e6c200;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-download__section {
  padding: 60px 20px;
}

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

.page-download__section-title {
  font-size: 38px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 30px;
  color: #8B0000; /* Auxiliary brand color for titles */
}

.page-download__section-description {
  font-size: 18px;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 50px auto;
  color: #555555;
}

.page-download__overview-section {
  background-color: #ffffff;
}

.page-download__benefits-section {
  background-color: #8B0000; /* Auxiliary brand color for section background */
  color: #ffffff; /* White text for dark background */
}

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

.page-download__benefit-item {
  background: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.page-download__benefit-title {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 15px;
  color: #FFD700; /* Primary brand color for titles on dark background */
}

.page-download__benefit-item p {
  font-size: 16px;
  line-height: 1.7;
  color: #f0f0f0;
}

.page-download__guide-section {
  background-color: #f9f9f9;
}

.page-download__guide-steps {
  display: flex;
  flex-direction: column;
  gap: 60px;
  margin-top: 50px;
}

.page-download__guide-platform {
  background: #ffffff;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.page-download__guide-subtitle {
  font-size: 30px;
  font-weight: bold;
  color: #8B0000;
  margin-bottom: 25px;
  text-align: center;
}

.page-download__step-list {
  list-style-type: decimal;
  padding-left: 25px;
  margin-bottom: 30px;
}

.page-download__step-list li {
  margin-bottom: 15px;
  font-size: 17px;
  line-height: 1.8;
  color: #444444;
}

.page-download__step-list strong {
  color: #333333;
}

.page-download__guide-image {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  object-fit: cover;
}

.page-download__tips {
  background: #fff8e1; /* Light gold accent */
  padding: 30px;
  border-radius: 10px;
  margin-top: 60px;
  border-left: 5px solid #FFD700;
}

.page-download__tips-title {
  font-size: 26px;
  font-weight: bold;
  color: #8B0000;
  margin-bottom: 20px;
}

.page-download__tips-list {
  list-style-type: disc;
  padding-left: 25px;
}

.page-download__tips-list li {
  margin-bottom: 10px;
  font-size: 16px;
  color: #555555;
}

.page-download__features-section {
  background-color: #FFD700; /* Primary brand color for section background */
  color: #000000; /* Dark text for gold background */
}

.page-download__features-section .page-download__section-title {
  color: #8B0000; /* Auxiliary brand color on gold */
}

.page-download__features-section .page-download__section-description {
  color: #333333;
}

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

.page-download__feature-item {
  background: #ffffff;
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.page-download__feature-title {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 15px;
  color: #8B0000; /* Auxiliary brand color for titles */
}

.page-download__feature-item p {
  font-size: 16px;
  line-height: 1.7;
  color: #444444;
}

.page-download__faq-section {
  background-color: #ffffff;
}

.page-download__faq-list {
  max-width: 900px;
  margin: 40px auto 0 auto;
}

.page-download__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-download__faq-question:hover {
  background: #f5f5f5;
  border-color: #d0d0d0;
}

.page-download__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  color: #333333;
  pointer-events: none;
}

.page-download__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  line-height: 1;
  color: #FFD700; /* Primary brand color for toggle icon */
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.page-download__faq-item.active .page-download__faq-toggle {
  color: #8B0000; /* Auxiliary brand color when active */
  transform: rotate(180deg);
}

.page-download__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.3s ease;
  padding: 0 25px;
  opacity: 0;
  background: #fcfcfc;
  border-top: none;
  border-radius: 0 0 8px 8px;
}

.page-download__faq-item.active .page-download__faq-answer {
  max-height: 2000px !important;
  padding: 20px 25px !important;
  opacity: 1;
  border: 1px solid #e0e0e0;
  border-top: none;
}

.page-download__faq-answer p {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: #555555;
}

.page-download__cta-bottom-section {
  padding: 80px 20px;
}

.page-download__cta-bottom-section .page-download__container {
  background-color: #8B0000; /* Auxiliary brand color for background */
  color: #ffffff;
  padding: 60px 40px;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.page-download__cta-bottom-section .page-download__section-title {
  color: #FFD700; /* Primary brand color on dark background */
  margin-bottom: 25px;
}

.page-download__cta-bottom-section .page-download__section-description {
  color: #f0f0f0;
  margin-bottom: 40px;
}

.page-download__cta-bottom-section .page-download__cta-button {
  background: #FFD700; /* Primary brand color for button */
  color: #000000; /* Dark text for contrast */
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-download__hero-title {
    font-size: 40px;
  }
  .page-download__hero-description {
    font-size: 18px;
  }
  .page-download__section-title {
    font-size: 32px;
  }
  .page-download__section-description {
    font-size: 16px;
  }
  .page-download__benefit-title, .page-download__feature-title {
    font-size: 22px;
  }
}

@media (max-width: 768px) {
  .page-download__hero-section {
    padding: 60px 15px;
    padding-top: var(--header-offset, 120px) !important;
  }
  .page-download__hero-title {
    font-size: 32px;
  }
  .page-download__hero-description {
    font-size: 16px;
  }
  .page-download__cta-button {
    padding: 15px 30px;
    font-size: 18px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  .page-download__hero-image img,
  .page-download__guide-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-download__section {
    padding: 40px 15px;
  }
  .page-download__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-download__section-title {
    font-size: 28px;
    margin-bottom: 20px;
  }
  .page-download__section-description {
    font-size: 15px;
    margin-bottom: 30px;
  }
  .page-download__benefits-grid, .page-download__features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-download__benefit-item, .page-download__feature-item {
    padding: 25px;
  }
  .page-download__benefit-title, .page-download__feature-title {
    font-size: 20px;
  }
  .page-download__guide-platform {
    padding: 30px;
  }
  .page-download__guide-subtitle {
    font-size: 24px;
  }
  .page-download__step-list li {
    font-size: 15px;
  }
  .page-download__tips {
    padding: 25px;
  }
  .page-download__tips-title {
    font-size: 22px;
  }
  .page-download__faq-question {
    padding: 15px 20px;
  }
  .page-download__faq-question h3 {
    font-size: 16px;
  }
  .page-download__faq-toggle {
    font-size: 24px;
    width: 28px;
    height: 28px;
  }
  .page-download__faq-answer {
    padding: 0 20px;
  }
  .page-download__faq-item.active .page-download__faq-answer {
    padding: 15px 20px !important;
  }
  .page-download__cta-bottom-section .page-download__container {
    padding: 40px 20px;
  }
}

@media (max-width: 480px) {
  .page-download__hero-title {
    font-size: 28px;
  }
  .page-download__hero-description {
    font-size: 15px;
  }
  .page-download__section-title {
    font-size: 24px;
  }
  .page-download__guide-subtitle {
    font-size: 20px;
  }
  .page-download__faq-question h3 {
    font-size: 15px;
  }
}

/* 图片样式限制 - 禁止使用 filter */
.page-download img {
  /* Ensure no filter properties are applied */
  filter: none;
}

/* 确保内容区图片显示尺寸不小于200px */
.page-download__hero-image img,
.page-download__guide-image,
.page-download__benefits-grid img,
.page-download__features-grid img {
    min-width: 200px;
    min-height: 200px;
}