.page-download {
  font-family: 'Arial', sans-serif;
  color: #333333; /* Default text color for light background */
  background-color: #F5F7FA; /* Background color from custom palette */
}

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

.page-download__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 10px; /* Small top padding, assuming shared.css handles body padding-top */
  padding-bottom: 40px;
  overflow: hidden;
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-height: 70vh;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-download__hero-content {
  position: relative;
  z-index: 10;
  padding: 20px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 10px;
  margin-top: -80px;
  max-width: 800px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.page-download__main-title {
  font-size: clamp(2em, 4vw, 3.5em);
  color: #E53935;
  margin-bottom: 15px;
  line-height: 1.2;
  font-weight: 700;
}

.page-download__description {
  font-size: 1.1em;
  color: #333333;
  margin-bottom: 30px;
  line-height: 1.6;
}

.page-download__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.page-download__btn-primary,
.page-download__btn-secondary,
.page-download__btn-tertiary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  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: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  border: none;
}

.page-download__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-download__btn-secondary {
  background-color: #ffffff;
  color: #E53935;
  border: 2px solid #E53935;
}

.page-download__btn-secondary:hover {
  background-color: #E53935;
  color: #ffffff;
  transform: translateY(-2px);
}

.page-download__btn-tertiary {
  background-color: #FF5A4F;
  color: #ffffff;
  border: none;
  padding: 10px 20px;
  font-size: 0.9em;
}

.page-download__btn-tertiary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.page-download__dark-section {
  background-color: #E53935;
  color: #ffffff;
  padding: 60px 0;
}

.page-download__dark-section .page-download__section-title,
.page-download__dark-section .page-download__text-block,
.page-download__dark-section .page-download__feature-title,
.page-download__dark-section .page-download__feature-description {
  color: #ffffff;
}

.page-download__light-bg {
  background-color: #ffffff;
  color: #333333;
}

.page-download__section-title {
  font-size: 2.5em;
  color: #E53935;
  text-align: center;
  margin-bottom: 40px;
  font-weight: 700;
}

.page-download__text-block {
  font-size: 1.1em;
  line-height: 1.7;
  text-align: center;
  margin-bottom: 30px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  list-style: none;
  padding: 0;
  margin-top: 40px;
}

.page-download__feature-item {
  background: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-download__feature-title {
  font-size: 1.5em;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-download__feature-description {
  font-size: 1em;
  line-height: 1.6;
  opacity: 0.9;
}

.page-download__how-to-download-section {
  padding: 60px 0;
}

.page-download__download-steps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 40px;
}

.page-download__platform-guide {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

.page-download__guide-title {
  font-size: 2em;
  color: #E53935;
  margin-bottom: 25px;
  text-align: center;
}

.page-download__step-list {
  list-style: none;
  padding: 0;
  margin-bottom: 30px;
}

.page-download__step-item {
  font-size: 1.05em;
  line-height: 1.8;
  margin-bottom: 15px;
  position: relative;
  padding-left: 30px;
}

.page-download__step-item::before {
  content: attr(data-step-number);
  position: absolute;
  left: 0;
  top: 0;
  background-color: #FF5A4F;
  color: #ffffff;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8em;
  font-weight: bold;
}

/* Automatically add step numbers */
.page-download__step-list li:nth-child(1)::before { content: '1'; }
.page-download__step-list li:nth-child(2)::before { content: '2'; }
.page-download__step-list li:nth-child(3)::before { content: '3'; }
.page-download__step-list li:nth-child(4)::before { content: '4'; }
.page-download__step-list li:nth-child(5)::before { content: '5'; }

.page-download__qr-code-wrapper {
  text-align: center;
  margin-top: 30px;
}

.page-download__qr-code {
  width: 250px;
  height: 250px;
  border: 5px solid #E53935;
  border-radius: 10px;
  object-fit: contain;
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.page-download__qr-caption {
  font-size: 0.95em;
  color: #555555;
  margin-top: 15px;
}

.page-download__features-app-section {
  padding: 60px 0;
}

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

.page-download__feature-card {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-download__feature-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  max-width: 100%;
  height: auto;
  display: block;
}

.page-download__feature-card-title {
  font-size: 1.6em;
  margin-bottom: 15px;
  color: #ffffff;
  font-weight: 600;
}

.page-download__feature-card-description {
  font-size: 1em;
  line-height: 1.6;
  opacity: 0.9;
  color: #ffffff;
}

.page-download__promotions-section {
  padding: 60px 0;
}

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

.page-download__promotion-card {
  background-color: #FFFFFF; /* Card BG */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  border: 1px solid #E0E0E0; /* Border */
}

.page-download__promotion-title {
  font-size: 1.5em;
  color: #E53935;
  margin-bottom: 15px;
}

.page-download__promotion-description {
  font-size: 1em;
  line-height: 1.6;
  color: #333333;
  margin-bottom: 25px;
}

.page-download__security-section {
  padding: 60px 0;
}

.page-download__security-content {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-top: 40px;
}

.page-download__security-text {
  flex: 1;
  text-align: left;
}

.page-download__security-image-wrapper {
  flex: 0 0 400px;
  text-align: center;
}

.page-download__security-image {
  width: 100%;
  height: auto;
  border-radius: 10px;
  object-fit: contain;
  max-width: 100%;
  height: auto;
  display: block;
}

.page-download__faq-section {
  padding: 60px 0;
  background-color: #F5F7FA;
}

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

.page-download__faq-item {
  background-color: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.1em;
  font-weight: 600;
  color: #333333;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

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

.page-download__faq-toggle {
  font-size: 1.5em;
  color: #E53935;
  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 20px;
  font-size: 1em;
  line-height: 1.7;
  color: #555555;
  border-top: 1px solid #E0E0E0;
  margin-top: 10px;
}

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

.page-download__cta-final-section {
  padding: 80px 0;
  text-align: center;
}

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

/* Global image and container responsive styles */
.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;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
  .page-download__hero-content {
    margin-top: -60px;
    max-width: 700px;
  }

  .page-download__main-title {
    font-size: clamp(2em, 5vw, 3em);
  }

  .page-download__section-title {
    font-size: 2em;
  }

  .page-download__download-steps-grid {
    grid-template-columns: 1fr;
  }

  .page-download__security-content {
    flex-direction: column;
  }

  .page-download__security-image-wrapper {
    flex: none;
    width: 100%;
    max-width: 500px;
    margin-top: 30px;
  }
}

@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;
    padding-bottom: 20px !important;
  }

  .page-download__hero-image-wrapper {
    max-height: 50vh;
  }

  .page-download__hero-content {
    margin-top: -40px !important;
    padding: 15px !important;
    width: calc(100% - 30px);
    margin-left: 15px;
    margin-right: 15px;
  }

  .page-download__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em) !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-buttons {
    flex-direction: column !important;
    gap: 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box !important;
  }

  .page-download__btn-primary,
  .page-download__btn-secondary,
  .page-download__btn-tertiary,
  .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 !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;
  }

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

  /* 产品展示图区域 (if any, not directly in this page's current structure but covered for completeness) */
  .page-download__products-grid,
  .page-download__promotion-cards,
  .page-download__features-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .page-download__qr-code {
    width: 200px !important;
    height: 200px !important;
  }

  .page-download__security-content {
    flex-direction: column !important;
  }

  .page-download__security-text {
    text-align: center !important;
  }

  .page-download__security-image-wrapper {
    flex: none !important;
    width: 100% !important;
    max-width: 300px !important;
    margin-top: 20px !important;
  }

  /* 其他内容模块 */
  .page-download__section-title {
    font-size: 1.8em !important;
    margin-bottom: 25px !important;
  }

  .page-download__text-block {
    font-size: 0.95em !important;
    margin-bottom: 20px !important;
  }

  .page-download__feature-list,
  .page-download__download-steps-grid {
    grid-template-columns: 1fr !important;
  }

  .page-download__platform-guide {
    padding: 20px !important;
  }

  .page-download__guide-title {
    font-size: 1.6em !important;
    margin-bottom: 20px !important;
  }

  .page-download__step-item {
    font-size: 0.95em !important;
    padding-left: 25px !important;
  }

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

  .page-download__faq-answer {
    padding: 0 15px 15px 15px !important;
    font-size: 0.95em !important;
  }

  .page-download__feature-card-title,
  .page-download__promotion-title {
    font-size: 1.3em !important;
  }
}