.page-download {
  --primary-color: #C61F1F;
  --secondary-color: #E53030;
  --button-gradient: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
  --card-bg: #2A1212;
  --main-bg: #140C0C;
  --text-main: #FFF1E8;
  --gold-color: #F3C54D;
  --border-color: #6A1E1E;
  --deep-red: #7E0D0D;
  color: var(--text-main);
  background-color: var(--main-bg);
}

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

.page-download__section {
  padding: 60px 0;
}

.page-download__dark-section {
  background-color: var(--main-bg);
  color: var(--text-main);
}

.page-download__light-bg {
  background-color: #f8f8f8;
  color: #333333;
}

.page-download__section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: var(--gold-color);
  line-height: 1.2;
}

.page-download__section-description {
  font-size: 18px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
  line-height: 1.6;
  color: rgba(255, 241, 232, 0.8);
}

.page-download__light-bg .page-download__section-description {
  color: #555555;
}

/* Hero Section */
.page-download__hero-section {
  padding-top: 10px; /* Small top padding, body handles --header-offset */
  padding-bottom: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 600px;
  position: relative;
  overflow: hidden;
}

.page-download__hero-content-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  flex-wrap: wrap;
}

.page-download__hero-text-block {
  flex: 1;
  min-width: 300px;
  max-width: 600px;
  text-align: left;
}

.page-download__main-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  margin-bottom: 20px;
  line-height: 1.1;
  color: var(--gold-color);
}

.page-download__hero-description {
  font-size: 20px;
  line-height: 1.7;
  margin-bottom: 30px;
  color: var(--text-main);
}

.page-download__download-buttons {
  display: flex;
  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: 18px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  white-space: nowrap;
  cursor: pointer;
  box-sizing: border-box;
}

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

.page-download__btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

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

.page-download__btn-secondary:hover {
  background-color: var(--gold-color);
  color: var(--main-bg);
  transform: translateY(-2px);
}

.page-download__btn-icon {
  display: inline-block;
  width: 24px;
  height: 24px;
  margin-right: 10px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.page-download__btn-download .page-download__btn-icon {
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M12 16l-4-4h3V4h2v8h3l-4 4zm-4 4h8v-2H8v2z"/></svg>');
}

.page-download__hero-image-wrapper {
  flex: 1;
  min-width: 300px;
  max-width: 500px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-download__hero-image {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* Why Download Section */
.page-download__why-download-section {
  background-color: var(--card-bg);
  color: var(--text-main);
}

.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: var(--deep-red);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-download__feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-download__feature-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  object-fit: contain;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-download__card-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--gold-color);
}

.page-download__card-text {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(255, 241, 232, 0.7);
}

/* How to Download Section */
.page-download__how-to-download-section .page-download__section-title {
  color: var(--primary-color);
}

.page-download__how-to-download-section .page-download__section-description {
  color: #444444;
}

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

.page-download__download-platform {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  border: 1px solid #e0e0e0;
  color: #333333;
}

.page-download__platform-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 25px;
  color: var(--primary-color);
}

.page-download__qr-code {
  max-width: 250px;
  height: auto;
  display: block;
  margin: 0 auto 30px;
  border: 5px solid #f0f0f0;
  border-radius: 8px;
}

.page-download__step-list {
  list-style-type: decimal;
  padding-left: 25px;
  text-align: left;
  margin-bottom: 30px;
}

.page-download__step-list li {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 10px;
}

.page-download__step-list strong {
  color: var(--primary-color);
}

.page-download__btn-download-small {
  padding: 12px 25px;
  font-size: 16px;
}

/* App Features Section */
.page-download__app-features-section {
  background-color: var(--main-bg);
}

/* Security Section */
.page-download__security-section .page-download__section-title {
  color: var(--primary-color);
}

.page-download__security-section .page-download__section-description {
  color: #444444;
}

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

.page-download__security-image {
  max-width: 500px;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.page-download__security-list {
  list-style-type: none;
  padding: 0;
  flex: 1;
  min-width: 300px;
}

.page-download__security-list li {
  background-color: #ffffff;
  padding: 15px 20px;
  margin-bottom: 15px;
  border-radius: 8px;
  font-size: 17px;
  line-height: 1.6;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  border-left: 5px solid var(--primary-color);
  color: #333333;
}

.page-download__security-list strong {
  color: var(--primary-color);
}

/* FAQ Section */
.page-download__faq-section {
  background-color: var(--card-bg);
}

.page-download__faq-section .page-download__section-title {
  color: var(--gold-color);
}

.page-download__faq-section .page-download__section-description {
  color: rgba(255, 241, 232, 0.8);
}

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

details.page-download__faq-item {
  margin-bottom: 15px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--deep-red);
  border: 1px solid var(--border-color);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

details.page-download__faq-item summary.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
  color: var(--text-main);
}

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: rgba(255, 241, 232, 0.05);
}

.page-download__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--gold-color);
}

.page-download__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: var(--gold-color);
  flex-shrink: 0;
  margin-left: 15px;
  width: 30px;
  text-align: center;
}

details.page-download__faq-item .page-download__faq-answer {
  padding: 0 25px 20px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 0 0 10px 10px;
  color: rgba(255, 241, 232, 0.8);
  line-height: 1.6;
}

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

.page-download__cta-section .page-download__section-title {
  color: var(--primary-color);
}

.page-download__cta-section .page-download__section-description {
  color: #444444;
}

.page-download__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 25px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.page-download__btn-large {
  padding: 18px 40px;
  font-size: 20px;
  min-width: 280px;
}

/* Global image responsiveness for download page */
.page-download img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Mobile Responsive Styles */
@media (max-width: 1024px) {
  .page-download__hero-content-wrapper {
    flex-direction: column;
    text-align: center;
  }

  .page-download__hero-text-block {
    max-width: 100%;
    text-align: center;
  }

  .page-download__download-buttons {
    justify-content: center;
  }

  .page-download__hero-image-wrapper {
    order: -1;
    margin-bottom: 30px;
  }
}

@media (max-width: 768px) {
  .page-download__container {
    padding: 0 15px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-download__section {
    padding: 40px 0;
  }

  .page-download__section-title {
    font-size: clamp(24px, 6vw, 36px);
    margin-bottom: 15px;
  }

  .page-download__section-description {
    font-size: 16px;
    margin-bottom: 30px;
    padding: 0 10px;
  }

  /* HERO 主图区域 */
  .page-download__hero-section {
    padding-top: 10px;
    padding-bottom: 40px;
    min-height: unset;
  }

  .page-download__hero-image-wrapper {
    max-width: 80% !important; /* Constrain image slightly more */
    margin: 0 auto 30px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-download__hero-image {
    object-fit: contain !important;
    aspect-ratio: unset !important;
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-download__main-title {
    font-size: clamp(28px, 8vw, 40px);
    margin-bottom: 15px;
  }

  .page-download__hero-description {
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 25px;
  }

  /* 按钮与按钮容器 */
  .page-download__download-buttons,
  .page-download__cta-buttons {
    flex-direction: column !important;
    gap: 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px !important;
    overflow: hidden !important;
  }

  .page-download__btn-primary,
  .page-download__btn-secondary,
  .page-download__btn-download-small,
  .page-download__btn-large {
    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: 16px !important;
    min-width: unset !important;
  }

  /* 产品展示图区域 (General Features Grid) */
  .page-download__features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 0 10px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }

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

  .page-download__feature-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 15px;
  }

  .page-download__card-title {
    font-size: 20px;
  }

  .page-download__download-steps-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .page-download__download-platform {
    padding: 25px;
  }

  .page-download__platform-title {
    font-size: 24px;
    margin-bottom: 20px;
  }

  .page-download__qr-code {
    max-width: 200px;
    margin-bottom: 25px;
  }

  .page-download__step-list {
    padding-left: 20px;
    margin-bottom: 25px;
  }

  .page-download__step-list li {
    font-size: 15px;
    margin-bottom: 8px;
  }

  /* 通用图片与容器 */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-download__security-content {
    flex-direction: column;
    gap: 30px;
    padding: 0 10px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }

  .page-download__security-image {
    max-width: 100%;
  }

  .page-download__security-list {
    width: 100%;
  }

  .page-download__security-list li {
    font-size: 16px;
    padding: 12px 15px;
  }

  /* FAQ Section */
  .page-download__faq-list {
    margin-top: 30px;
    padding: 0 10px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }

  details.page-download__faq-item summary.page-download__faq-question {
    padding: 15px 20px;
  }

  .page-download__faq-qtext {
    font-size: 16px;
  }

  .page-download__faq-toggle {
    font-size: 24px;
    width: 24px;
  }

  details.page-download__faq-item .page-download__faq-answer {
    padding: 0 20px 15px;
    font-size: 15px;
  }

  /* CTA Section */
  .page-download__cta-section {
    padding: 50px 0;
  }
}