.page-download {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --text-main-color: #F2FFF6;
  --text-secondary-color: #A7D9B8;
  --card-bg-color: #11271B;
  --background-color: #08160F;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --border-color: #2E7A4E;
  --glow-color: #57E38D;
  --gold-color: #F2C14E;
  --divider-color: #1E3A2A;
  --deep-green-color: #0A4B2C;

  font-family: Arial, sans-serif;
  color: var(--text-main-color); /* Default text color for the page */
  background-color: var(--background-color); /* Ensure body background is respected */
}

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

.page-download__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, relying on body padding-top for header offset */
  padding-bottom: 40px;
  text-align: center;
  overflow: hidden;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 600px; /* Limit height for aesthetic */
  margin-bottom: 30px;
}

.page-download__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
}

.page-download__main-title {
  font-size: 3.2em;
  font-weight: bold;
  line-height: 1.2;
  color: var(--text-main-color);
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.page-download__hero-description {
  font-size: 1.2em;
  color: var(--text-secondary-color);
  margin-bottom: 40px;
  line-height: 1.6;
}

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

.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  min-width: 180px;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-download__btn-primary {
  background: var(--button-gradient);
  color: #ffffff;
  border: none;
}

.page-download__btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(42, 209, 111, 0.4);
}

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

.page-download__btn-secondary:hover {
  background: rgba(var(--primary-color), 0.1);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(46, 122, 78, 0.2);
}

.page-download__section-title {
  font-size: 2.5em;
  font-weight: bold;
  color: var(--text-main-color);
  text-align: center;
  margin-bottom: 30px;
  line-height: 1.3;
}

.page-download__section-description {
  font-size: 1.1em;
  color: var(--text-secondary-color);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px auto;
  line-height: 1.6;
}

/* Benefits Section */
.page-download__benefits-section {
  padding: 60px 0;
  background-color: var(--background-color);
}

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

.page-download__benefit-card {
  background-color: var(--card-bg-color);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  text-align: left;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-download__benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

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

.page-download__benefit-text {
  font-size: 1em;
  color: var(--text-secondary-color);
  line-height: 1.7;
}

/* Guide Section */
.page-download__guide-section {
  padding: 80px 0;
  background-color: var(--deep-green-color); /* Slightly different dark background */
}

.page-download__download-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
  margin-top: 50px;
}

.page-download__step-card {
  background-color: var(--card-bg-color);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.3);
  text-align: center;
  border: 1px solid var(--border-color);
}

.page-download__step-title {
  font-size: 1.8em;
  color: var(--gold-color);
  margin-bottom: 30px;
  font-weight: bold;
}

.page-download__qr-code-wrapper {
  margin-bottom: 30px;
  display: flex;
  justify-content: center;
}

.page-download__qr-code {
  width: 250px;
  height: 250px;
  border: 5px solid #ffffff;
  border-radius: 8px;
  object-fit: contain;
  display: block;
}

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

.page-download__step-list li {
  font-size: 1.05em;
  color: var(--text-main-color);
  margin-bottom: 15px;
  line-height: 1.6;
  position: relative;
  padding-left: 25px;
}

.page-download__step-list li:last-child {
  margin-bottom: 0;
}

.page-download__step-list li::before {
  content: "✓";
  color: var(--primary-color);
  position: absolute;
  left: 0;
  font-weight: bold;
}

.page-download__btn-download-android,
.page-download__btn-download-ios {
  margin-top: 20px;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

/* Features Section */
.page-download__features-section {
  padding: 80px 0;
  background-color: var(--background-color);
}

.page-download__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 50px;
}

.page-download__feature-item {
  background-color: var(--card-bg-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-download__feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.page-download__feature-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

.page-download__feature-item h3,
.page-download__feature-item p {
  padding: 0 25px;
}

.page-download__feature-title {
  font-size: 1.6em;
  color: var(--primary-color);
  margin: 25px 0 15px 0;
  font-weight: bold;
}

.page-download__feature-text {
  font-size: 1em;
  color: var(--text-secondary-color);
  line-height: 1.7;
  margin-bottom: 25px;
}

/* FAQ Section */
.page-download__faq-section {
  padding: 80px 0;
  background-color: var(--deep-green-color);
}

.page-download__faq-list {
  max-width: 900px;
  margin: 50px auto 0 auto;
}

.page-download__faq-item {
  background-color: var(--card-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.15em;
  font-weight: bold;
  color: var(--text-main-color);
  cursor: pointer;
  background-color: var(--card-bg-color);
  transition: background-color 0.3s ease;
  list-style: none; /* For details/summary */
}

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

.page-download__faq-question:hover {
  background-color: rgba(var(--primary-color), 0.1);
}

.page-download__faq-qtext {
  flex-grow: 1;
  text-align: left;
}

.page-download__faq-toggle {
  font-size: 1.5em;
  margin-left: 20px;
  color: var(--primary-color);
  line-height: 1;
}

.page-download__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1em;
  color: var(--text-secondary-color);
  line-height: 1.7;
}

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

/* Bottom CTA Section */
.page-download__cta-bottom-section {
  padding: 60px 0 80px 0;
  text-align: center;
  background-color: var(--background-color);
}

/* Media Queries */
@media (max-width: 1024px) {
  .page-download__main-title {
    font-size: 2.8em;
  }
  .page-download__section-title {
    font-size: 2em;
  }
  .page-download__hero-image {
    max-height: 500px;
  }
  .page-download__download-steps,
  .page-download__features-grid {
    grid-template-columns: 1fr;
  }
  .page-download__benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-download__hero-section {
    padding-top: 10px !important; /* Small top padding, relying on body padding-top for header offset */
    padding-bottom: 30px;
  }
  .page-download__hero-image {
    max-height: 300px !important;
    margin-bottom: 20px;
  }
  .page-download__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em); /* Responsive font size */
    margin-bottom: 15px;
  }
  .page-download__hero-description {
    font-size: 1em;
    margin-bottom: 30px;
    padding: 0 15px;
  }
  .page-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }

  /* 按钮与按钮容器 */
  .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;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .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;
    flex-wrap: wrap !important;
    gap: 10px;
    flex-direction: column;
  }

  /* 通用图片与容器 */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-download__section,
  .page-download__card,
  .page-download__container,
  .page-download__benefits-section,
  .page-download__guide-section,
  .page-download__features-section,
  .page-download__faq-section,
  .page-download__cta-bottom-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow-x: hidden;
  }

  /* 产品展示图区域 (General content images) */
  .page-download__feature-image {
    height: 200px !important; /* Adjust height for smaller screens, ensure >= 200px */
  }
  .page-download__qr-code {
    width: 180px !important;
    height: 180px !important;
  }
  .page-download__download-steps {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .page-download__features-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .page-download__benefits-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  /* 其他内容模块 */
  .page-download__section-title {
    font-size: 1.8em;
    margin-bottom: 20px;
  }
  .page-download__section-description {
    font-size: 0.95em;
    margin-bottom: 30px;
    padding: 0 5px;
  }
  .page-download__benefit-card,
  .page-download__step-card,
  .page-download__feature-item,
  .page-download__faq-item {
    padding: 25px;
  }
  .page-download__benefit-title {
    font-size: 1.3em;
  }
  .page-download__faq-question {
    font-size: 1em;
    padding: 18px 20px;
  }
  .page-download__faq-answer {
    padding: 0 20px 18px 20px;
  }
  .page-download__step-title {
    font-size: 1.5em;
    margin-bottom: 20px;
  }
  .page-download__step-list li {
    font-size: 0.95em;
  }
  .page-download__benefits-section,
  .page-download__guide-section,
  .page-download__features-section,
  .page-download__faq-section,
  .page-download__cta-bottom-section {
    padding: 40px 0;
  }
}