/* style/download.css */
/* body 已 padding-top: var(--header-offset)；页面禁止再写该变量 */
.page-download {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Default text color for light body background */
  background-color: #F5F7FA; /* Background color for the page content */
}

.page-download__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px; /* Small top padding, header offset handled by body */
  padding-bottom: 60px;
  background-color: #ffffff;
  overflow: hidden;
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

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

.page-download__hero-content {
  max-width: 900px;
  width: 100%; /* Ensure width is 100% for desktop as well */
  text-align: center;
  padding: 20px;
  box-sizing: border-box;
  margin-top: 30px;
}

.page-download__main-title {
  font-weight: bold;
  color: #E53935;
  margin-bottom: 15px;
  line-height: 1.2;
  font-size: clamp(2.2rem, 4vw, 3rem); /* H1 font size with clamp */
}

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

.page-download__download-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-bottom: 30px;
}

.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, transform 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
  width: auto;
}

.page-download__btn-primary {
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  border: none;
}

.page-download__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(229, 57, 53, 0.4);
}

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

.page-download__btn-secondary:hover {
  background-color: #f0f0f0;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(229, 57, 53, 0.2);
}

.page-download__qr-codes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  margin-top: 40px;
}

.page-download__qr-item {
  text-align: center;
  background-color: #ffffff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  max-width: 240px;
  width: 100%;
  box-sizing: border-box;
}

.page-download__qr-item img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 15px auto;
  border: 1px solid #E0E0E0; /* Added border for QR codes */
}

.page-download__qr-item p {
  font-size: 0.95em;
  color: #333333;
  margin: 0;
}

.page-download__video-section {
  padding: 60px 20px;
  text-align: center;
  background-color: #F5F7FA;
  width: 100%;
  box-sizing: border-box;
}

.page-download__section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: bold;
  color: #E53935;
  margin-bottom: 30px;
}

.page-download__video-container {
  max-width: 900px;
  width: 100%; /* Ensure width is 100% for desktop as well */
  margin: 0 auto;
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-download__app-promo-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: pointer;
}

.page-download__video-description {
  max-width: 800px;
  margin: 20px auto 0 auto;
  font-size: 1em;
  color: #333333;
}

.page-download__why-download-section,
.page-download__app-features-section,
.page-download__faq-section {
  padding: 60px 20px;
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
}

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

.page-download__dark-section {
  background-color: #E53935;
  color: #ffffff;
}

.page-download__dark-section .page-download__section-title,
.page-download__dark-section .page-download__section-intro,
.page-download__dark-section .page-download__step-title,
.page-download__dark-section p,
.page-download__dark-section li {
  color: #ffffff;
}

.page-download__section-intro {
  font-size: 1.1em;
  max-width: 800px;
  margin: 0 auto 40px auto;
  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-color: #F5F7FA;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  text-align: left;
}

.page-download__feature-item .page-download__feature-title {
  font-size: 1.4em;
  color: #E53935;
  margin-bottom: 15px;
}

.page-download__feature-item p {
  font-size: 1em;
  color: #333333;
}

.page-download__benefits-showcase {
  margin-top: 60px;
  max-width: 800px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

.page-download__benefits-showcase img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.page-download__how-to-download-section {
  padding: 60px 20px;
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
}

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

.page-download__step-item {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

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

.page-download__step-item p,
.page-download__step-item ul {
  font-size: 1em;
  color: #ffffff;
}

.page-download__step-item ul {
  list-style: disc inside;
  padding-left: 20px;
}

.page-download__step-item li {
  margin-bottom: 5px;
}

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

.page-download__feature-card {
  background-color: #ffffff;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #333333;
  border: 1px solid #E0E0E0; /* Added border for cards */
}

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

.page-download__card-title {
  font-size: 1.3em;
  color: #E53935;
  margin-bottom: 10px;
  text-align: center;
}

.page-download__feature-card p {
  font-size: 0.95em;
  color: #333333;
  text-align: center;
}

.page-download__faq-section {
  background-color: #F5F7FA;
}

.page-download__faq-list {
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}

.page-download__faq-item {
  background-color: #ffffff;
  border: 1px solid #E0E0E0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: #333333;
  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: 18px 25px;
  font-size: 1.1em;
  font-weight: bold;
  color: #E53935;
  cursor: pointer;
  background-color: #ffffff;
  border-bottom: 1px solid #E0E0E0;
}

.page-download__faq-item[open] .page-download__faq-question {
  border-bottom: none;
}

.page-download__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  color: #E53935;
}

.page-download__faq-item p {
  padding: 15px 25px 20px 25px;
  font-size: 1em;
  color: #333333;
}

.page-download__cta-section {
  padding: 80px 20px;
  text-align: center;
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
}

.page-download__cta-section .page-download__section-title,
.page-download__cta-section .page-download__section-intro {
  color: #ffffff;
}

.page-download__btn-lg {
  padding: 18px 40px;
  font-size: 1.2em;
  border-radius: 10px;
  margin-top: 30px;
  background-color: #ffffff;
  color: #E53935;
  border: 2px solid #ffffff;
}

.page-download__btn-lg:hover {
  background-color: #f0f0f0;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(255, 255, 255, 0.3);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-download__hero-content {
    max-width: 768px;
  }
  .page-download__video-container {
    max-width: 768px;
  }
}

@media (max-width: 768px) {
  .page-download__hero-section,
  .page-download__video-section,
  .page-download__why-download-section,
  .page-download__how-to-download-section,
  .page-download__app-features-section,
  .page-download__faq-section,
  .page-download__cta-section {
    padding-left: 15px !important;
    padding-right: 15px !important;
    box-sizing: border-box !important;
    max-width: 100% !important;
    width: 100% !important;
  }

  .page-download__hero-content {
    margin-top: 15px;
  }

  .page-download__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }

  .page-download__description {
    font-size: 1em;
  }

  .page-download__download-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-download__btn-primary,
  .page-download__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
  }

  .page-download__qr-codes {
    flex-direction: column;
    gap: 20px;
  }

  .page-download__qr-item {
    max-width: 100%;
    padding: 15px;
  }

  .page-download__video-section {
    padding-top: 10px !important; /* body already handles --header-offset */
    padding-bottom: 40px;
  }

  .page-download__video-container {
    max-width: 100% !important;
    width: 100% !important;
  }

  .page-download__app-promo-video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-download__section-title {
    font-size: clamp(1.5rem, 5vw, 2rem);
  }

  .page-download__section-intro {
    font-size: 0.95em;
    margin-bottom: 30px;
  }

  .page-download__features-grid,
  .page-download__download-steps,
  .page-download__features-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .page-download__feature-card img {
    width: 100%;
    height: auto;
  }

  .page-download__faq-question {
    padding: 15px 20px;
    font-size: 1em;
  }

  .page-download__faq-item p {
    padding: 10px 20px 15px 20px;
  }

  .page-download__btn-lg {
    width: 100% !important;
    max-width: 100% !important;
    padding: 15px 25px;
    font-size: 1.1em;
  }

  /* Image responsiveness */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-download__hero-image-wrapper,
  .page-download__qr-item,
  .page-download__benefits-showcase,
  .page-download__feature-card {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
}