:root {
  --primary-color: #C91F17;
  --secondary-color: #E53935;
  --button-gradient: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%);
  --card-bg-color: #D32F2F;
  --background-color-page: #B71C1C;
  --text-main-color: #FFF5E1;
  --border-color-custom: #F2B544;
  --glow-color: #FFCC66;
  --gold-color: #F4D34D;
  --deep-red-color: #7A0E0E;
  --header-offset: 122px; /* Default, will be overridden by shared.css body padding-top */
}

.page-download {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main-color);
  background-color: var(--background-color-page);
}

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

/* HERO 主图区域 */
.page-download__hero-section {
  position: relative;
  overflow: hidden;
  padding-top: 10px; /* Small top padding, assuming body handles --header-offset */
  background-color: var(--deep-red-color);
}

.page-download__hero-image {
  width: 100%;
  height: 600px;
  overflow: hidden;
}

.page-download__hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: none;
}

.page-download__hero-content {
  text-align: center;
  padding: 40px 20px;
  background-color: var(--deep-red-color);
  color: var(--text-main-color);
}

.page-download__main-title {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--gold-color);
}

.page-download__description {
  font-size: 1.2rem;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: var(--text-main-color);
}

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

.page-download__btn-primary,
.page-download__btn-secondary,
.page-download a[class*="button"],
.page-download a[class*="btn"] {
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  min-width: 180px;
  text-align: center;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-download__btn-primary {
  background: var(--button-gradient);
  color: #333333; /* Dark text for gold button */
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-download__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-download__btn-secondary {
  background: transparent;
  color: var(--gold-color);
  border: 2px solid var(--gold-color);
}

.page-download__btn-secondary:hover {
  background: var(--gold-color);
  color: var(--deep-red-color);
}

.page-download__section-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  text-align: center;
  margin-bottom: 20px;
  font-weight: 700;
  color: var(--gold-color);
}

.page-download__section-description {
  font-size: 1.1rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px;
  color: var(--text-main-color);
}

/* 内容区图片 CSS 尺寸下限 */
.page-download__features-section,
.page-download__how-to-download-section,
.page-download__app-features-section,
.page-download__faq-section,
.page-download__cta-bottom-section {
    padding: 60px 0;
}

.page-download__features-section {
  background-color: var(--background-color-page);
}

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

.page-download__feature-card {
  background: var(--card-bg-color);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  color: var(--text-main-color);
}

.page-download__feature-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  margin-bottom: 20px;
  border-radius: 5px;
  max-width: 100%;
  display: block;
  filter: none;
}

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

.page-download__card-text {
  font-size: 1rem;
}

.page-download__how-to-download-section {
  background-color: var(--deep-red-color);
}

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

.page-download__download-platform {
    background-color: var(--background-color-page);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-download__platform-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold-color);
  margin-bottom: 30px;
  text-align: center;
}

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

.page-download__step-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 30px;
}

.page-download__step-number {
  background: var(--button-gradient);
  color: #333333;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 700;
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-right: 20px;
}

.page-download__step-content {
  flex: 1;
}

.page-download__step-heading {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-main-color);
  margin-bottom: 10px;
}

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

.page-download__step-content img {
  width: 100%;
  height: auto;
  max-width: 400px;
  min-width: 200px; /* Enforce min size */
  min-height: 200px; /* Enforce min size */
  margin-top: 15px;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  display: block;
  filter: none;
}

.page-download__important-note {
  background: var(--card-bg-color);
  padding: 30px;
  border-radius: 10px;
  margin-top: 50px;
  text-align: center;
  color: var(--text-main-color);
}

.page-download__note-title {
  font-size: 1.8rem;
  color: var(--gold-color);
  margin-bottom: 20px;
  font-weight: 600;
}

.page-download__note-list {
  list-style: none;
  padding: 0;
  margin-bottom: 30px;
  text-align: left;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__note-list li {
  margin-bottom: 10px;
  padding-left: 25px;
  position: relative;
  font-size: 1.1rem;
  color: var(--text-main-color);
}

.page-download__note-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--gold-color);
  font-weight: bold;
}

.page-download__app-features-section {
  background-color: var(--background-color-page);
  color: var(--text-main-color);
}

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

.page-download__feature-item {
  background: var(--card-bg-color);
  padding: 25px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.page-download__feature-item img {
  width: 100%;
  height: 200px;
  object-fit: contain;
  margin-bottom: 15px;
  max-width: 100%;
  min-width: 200px; /* Enforce min size */
  min-height: 200px; /* Enforce min size */
  display: block;
  margin-left: auto;
  margin-right: auto;
  filter: none;
}

.page-download__item-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--gold-color);
  margin-bottom: 10px;
}

.page-download__item-text {
  font-size: 1rem;
}

.page-download__faq-section {
  background-color: var(--deep-red-color);
}

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

details.page-download__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid var(--border-color-custom);
  overflow: hidden;
  background: var(--card-bg-color);
  color: var(--text-main-color);
}
details.page-download__faq-item summary.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}
details.page-download__faq-item summary.page-download__faq-question::-webkit-details-marker {
  display: none;
}
details.page-download__faq-item summary.page-download__faq-question:hover {
  background: var(--deep-red-color);
}
.page-download__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--gold-color);
}
.page-download__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: var(--gold-color);
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-download__faq-item .page-download__faq-answer {
  padding: 0 20px 20px;
  background: var(--deep-red-color);
  border-radius: 0 0 5px 5px;
}
.page-download__faq-answer p {
    color: var(--text-main-color);
}

.page-download__cta-bottom-section {
  text-align: center;
  background-color: var(--background-color-page);
  color: var(--text-main-color);
}

/* --- Responsive Styles (max-width: 1024px) --- */
@media (max-width: 1024px) {
  .page-download__container {
    padding-left: 30px;
    padding-right: 30px;
  }
  .page-download__hero-image {
    height: 450px;
  }
  .page-download__features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-download__download-steps-grid {
    grid-template-columns: 1fr;
  }
  .page-download__app-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Responsive Styles (max-width: 768px) --- */
@media (max-width: 768px) {
  .page-download__container {
    padding: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* HERO 主图区域 */
  .page-download__hero-section {
    padding-top: 10px;
  }
  .page-download__hero-image {
    height: 300px;
  }
  .page-download__hero-image img {
    object-fit: contain !important;
    aspect-ratio: unset !important;
  }
  .page-download__main-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
    padding: 0 10px;
  }
  .page-download__description {
    font-size: 1rem;
    padding: 0 10px;
  }
  .page-download__cta-buttons {
    flex-direction: column !important;
    gap: 15px;
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .page-download__btn-primary,
  .page-download__btn-secondary,
  .page-download a[class*="button"],
  .page-download a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 通用图片与容器 */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-width: unset !important;
    min-height: unset !important;
  }
  .page-download__features-section,
  .page-download__how-to-download-section,
  .page-download__app-features-section,
  .page-download__faq-section,
  .page-download__cta-bottom-section,
  .page-download__feature-card,
  .page-download__feature-item,
  .page-download__download-platform,
  .page-download__important-note {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow-x: hidden;
  }

  /* 装饰主标题 + 长文 SEO 区 (general section titles) */
  .page-download__section-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    padding: 0 15px;
    max-width: 100%;
    word-wrap: break-word;
  }
  .page-download__section-description {
    font-size: 0.95rem;
    padding: 0 15px;
    max-width: 100%;
    word-wrap: break-word;
  }

  .page-download__features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-download__feature-card img {
    height: 200px;
  }
  .page-download__card-title {
    font-size: 1.3rem;
  }

  .page-download__download-steps-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .page-download__platform-title {
    font-size: 1.7rem;
  }
  .page-download__step-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .page-download__step-number {
    margin-right: 0;
    margin-bottom: 15px;
  }
  .page-download__step-heading {
    font-size: 1.2rem;
  }
  .page-download__step-content p {
    font-size: 0.95rem;
  }
  .page-download__step-content img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-download__note-title {
    font-size: 1.5rem;
  }
  .page-download__note-list {
    padding-left: 20px;
    text-align: left;
  }
  .page-download__note-list li {
    font-size: 1rem;
    padding-left: 0;
    margin-left: 0;
  }
  .page-download__note-list li::before {
    left: -20px;
  }

  .page-download__app-features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-download__feature-item img {
    
  }
  .page-download__item-title {
    font-size: 1.2rem;
  }

  details.page-download__faq-item summary.page-download__faq-question {
    padding: 15px;
  }
  .page-download__faq-qtext {
    font-size: 15px;
  }
  details.page-download__faq-item .page-download__faq-answer {
    padding: 0 15px 15px;
  }
}