/* style/download.css */
:root {
  --color-primary: #FF8C1A;
  --color-secondary: #FFA53A;
  --color-card-bg: #17191F;
  --color-background: #0D0E12;
  --color-text-main: #FFF3E6;
  --color-border: #A84F0C;
  --color-glow: #FFB04D;
  --color-deep-orange: #D96800;
}

/* body 已 padding-top: var(--header-offset)；页面禁止再写该变量 */
.page-download {
  background-color: var(--color-background);
  color: var(--color-text-main);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-download__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 20px 60px;
  text-align: center;
  background-color: var(--color-card-bg);
  position: relative;
  overflow: hidden;
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-width: 100%; /* Ensure image wrapper does not overflow */
  margin-bottom: 20px;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 8px;
}

.page-download__hero-content {
  max-width: 800px;
  z-index: 1;
}

.page-download__main-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--color-glow);
  text-shadow: 0 0 10px rgba(255, 176, 77, 0.5);
}

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

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

.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-download__btn-primary {
  background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-deep-orange) 100%);
  color: var(--color-text-main);
  border: 2px solid var(--color-primary);
  box-shadow: 0 5px 15px rgba(255, 140, 26, 0.4);
}

.page-download__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(255, 140, 26, 0.6);
}

.page-download__btn-secondary {
  background: transparent;
  color: var(--color-glow);
  border: 2px solid var(--color-border);
  box-shadow: 0 5px 15px rgba(168, 79, 12, 0.3);
}

.page-download__btn-secondary:hover {
  background: rgba(255, 165, 58, 0.1);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(168, 79, 12, 0.5);
}

.page-download__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: var(--color-glow);
}

.page-download__benefits-section,
.page-download__guide-section,
.page-download__faq-section,
.page-download__conclusion-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
  background-color: var(--color-background);
}

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

.page-download__benefit-card {
  background-color: var(--color-card-bg);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--color-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-download__benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-download__benefit-icon {
  width: 100%;
  height: auto;
  max-width: 250px;
  margin: 0 auto 20px;
  border-radius: 8px;
  display: block;
}

.page-download__benefit-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--color-primary);
}

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

.page-download__guide-steps {
  display: flex;
  flex-direction: column;
  gap: 50px;
  margin-top: 40px;
}

.page-download__guide-block {
  background-color: var(--color-card-bg);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--color-border);
}

.page-download__guide-subtitle {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-glow);
  margin-bottom: 25px;
  text-align: center;
}

.page-download__guide-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.page-download__guide-image {
  width: 100%;
  height: auto;
  max-width: 400px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  display: block;
}

.page-download__guide-list {
  list-style-type: decimal;
  padding-left: 25px;
  font-size: 1.1rem;
  color: var(--color-text-main);
  text-align: left;
  max-width: 600px;
}

.page-download__guide-list li {
  margin-bottom: 15px;
}

.page-download__cta-center {
  text-align: center;
  margin-top: 50px;
}

.page-download__faq-list {
  margin-top: 40px;
}

.page-download__faq-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  background-color: #2a2d3a; /* Slightly lighter dark background for contrast */
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s ease, border-bottom 0.3s ease;
}

.page-download__faq-item[open] .page-download__faq-question {
  background-color: var(--color-deep-orange);
  color: var(--color-text-main);
  border-bottom-color: var(--color-border);
}

.page-download__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 15px;
}

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

.page-download__faq-answer p {
  margin-top: 15px;
}

.page-download__conclusion-section {
  text-align: center;
}

/* Responsive styles */
@media (min-width: 769px) {
  .page-download__guide-content {
    flex-direction: row;
    justify-content: space-around;
    align-items: flex-start;
  }

  .page-download__guide-block:nth-child(even) .page-download__guide-content {
    flex-direction: row-reverse;
  }

  .page-download__guide-image {
    flex-shrink: 0;
  }

  .page-download__guide-list {
    flex-grow: 1;
    max-width: none;
  }
}

@media (max-width: 768px) {
  .page-download {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-download__hero-section {
    padding: 10px 15px 40px;
  }

  .page-download__main-title {
    font-size: 2rem;
  }

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

  .page-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0 15px;
  }

  .page-download__btn-primary,
  .page-download__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1rem;
    margin: 0 auto; /* Center buttons if they're block level */
  }

  .page-download__section-title {
    font-size: 1.8rem;
    margin-bottom: 30px;
  }

  .page-download__benefits-section,
  .page-download__guide-section,
  .page-download__faq-section,
.page-download__conclusion-section {
    padding: 40px 15px;
  }

  .page-download__benefits-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-download__benefit-icon {
    max-width: 200px;
  }

  .page-download__guide-block {
    padding: 30px 20px;
  }

  .page-download__guide-subtitle {
    font-size: 1.5rem;
  }

  .page-download__guide-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-download__guide-list {
    font-size: 1rem;
    padding-left: 20px;
  }

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

  /* Mobile image and video responsive adaptation */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-download__section,
  .page-download__card,
  .page-download__container,
  .page-download__hero-image-wrapper,
  .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: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  /* Specific padding for sections to avoid double padding */
  .page-download__benefits-section,
  .page-download__guide-section,
  .page-download__faq-section,
  .page-download__conclusion-section {
    padding-left: 0 !important;
    padding-right: 0 !important;
  }

  .page-download__video-section {
    padding-top: 10px !important; /* body 已承担 --header-offset，此处禁止 var(--header-offset) */
  }

  /* Video specific mobile styles, though not present on this page, keep for robustness */
  .page-download video,
  .page-download__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-download__video-section,
  .page-download__video-container,
  .page-download__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
}