.page-download {
  font-family: 'Arial', sans-serif;
  color: #1F2D3D;
  line-height: 1.6;
  background-color: #F4F7FB;
}

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

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

.page-download__section-title {
  font-size: 2.8em;
  font-weight: bold;
  text-align: center;
  margin-bottom: 20px;
  color: #000000;
  line-height: 1.2;
}

.page-download__section-description {
  font-size: 1.1em;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
  color: #1F2D3D;
}

.page-download__content-subtitle {
  font-size: 1.8em;
  font-weight: bold;
  color: #000000;
  margin-top: 30px;
  margin-bottom: 15px;
}

.page-download__text-center {
  text-align: center;
}

/* Hero Section */
.page-download__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 10px; /* Small top padding, relying on body for header offset */
  padding-bottom: 60px;
  overflow: hidden;
  background-color: #2F6BFF; /* Fallback if image fails */
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-height: 675px; /* Max height for desktop hero image */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 40px;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.7); /* Slightly darken image for text contrast */
}

.page-download__hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #ffffff;
  max-width: 900px;
  padding: 0 20px;
}

.page-download__hero-title {
  font-size: 3.2em;
  font-weight: 900;
  margin-bottom: 20px;
  line-height: 1.2;
  color: #ffffff;
}

.page-download__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  line-height: 1.5;
  color: #ffffff;
}

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

.page-download__cta-button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-download__btn-primary {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-download__btn-primary:hover {
  background: linear-gradient(180deg, #2F6BFF 0%, #4A8BFF 100%);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(47, 107, 255, 0.3);
}

.page-download__btn-secondary {
  background: #ffffff;
  color: #2F6BFF;
  border: 2px solid #2F6BFF;
}

.page-download__btn-secondary:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(47, 107, 255, 0.1);
}

.page-download__btn-tertiary {
  background: none;
  color: #ffffff;
  border: 2px solid #ffffff;
}

.page-download__btn-tertiary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 255, 255, 0.1);
}

/* Why Download Section */
.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-color: #FFFFFF;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #D6E2FF;
}

.page-download__feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1);
}

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

.page-download__feature-title {
  font-size: 1.5em;
  font-weight: bold;
  color: #000000;
  margin-bottom: 10px;
}

.page-download__feature-text {
  font-size: 1em;
  color: #1F2D3D;
}

/* Download Guide Section */
.page-download__bg-light {
  background-color: #F4F7FB;
}

.page-download__download-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
  border-bottom: 2px solid #D6E2FF;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__tab-item {
  padding: 15px 30px;
  font-size: 1.1em;
  font-weight: bold;
  cursor: pointer;
  color: #1F2D3D;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.page-download__tab-item:hover {
  color: #2F6BFF;
}

.page-download__tab-item--active {
  color: #2F6BFF;
  border-bottom-color: #2F6BFF;
}

.page-download__tab-content {
  display: none;
  background-color: #FFFFFF;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
  border: 1px solid #D6E2FF;
}

.page-download__tab-content--active {
  display: block;
}

.page-download__guide-steps {
  margin-top: 30px;
}

.page-download__guide-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 25px;
  gap: 20px;
}

.page-download__step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 50%;
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #ffffff;
  font-size: 1.2em;
  font-weight: bold;
}

.page-download__step-text h4 {
  font-size: 1.3em;
  color: #000000;
  margin-top: 0;
  margin-bottom: 8px;
}

.page-download__step-text p {
  font-size: 1em;
  color: #1F2D3D;
  margin: 0;
}

.page-download__qr-code-wrapper {
  text-align: center;
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.page-download__qr-code {
  width: 250px;
  height: 250px;
  border: 5px solid #D6E2FF;
  border-radius: 8px;
  object-fit: contain;
  display: block;
}

.page-download__download-button {
  width: auto;
  padding: 15px 40px;
}

/* App Features Section */
.page-download__gameshow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__gameshow-card {
  background-color: #FFFFFF;
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #D6E2FF;
  text-align: center;
}

.page-download__gameshow-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1);
}

.page-download__gameshow-image {
  width: 100%;
  height: auto;
  max-height: 250px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
}

.page-download__gameshow-title {
  font-size: 1.4em;
  font-weight: bold;
  color: #000000;
  margin-bottom: 10px;
}

.page-download__gameshow-text {
  font-size: 0.95em;
  color: #1F2D3D;
  margin-bottom: 20px;
}

.page-download__gameshow-link {
  display: inline-block;
  color: #2F6BFF;
  text-decoration: none;
  font-weight: bold;
  position: relative;
  padding-bottom: 3px;
}

.page-download__gameshow-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background-color: #2F6BFF;
  transform: scaleX(0);
  transform-origin: bottom right;
  transition: transform 0.3s ease-out;
}

.page-download__gameshow-link:hover::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

/* Promotions Section */
.page-download__dark-section {
  background-color: #2F6BFF;
  color: #ffffff;
}

.page-download__dark-section .page-download__section-title,
.page-download__dark-section .page-download__section-description {
  color: #ffffff;
}

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

.page-download__promotion-card {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, background-color 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-download__promotion-card:hover {
  transform: translateY(-5px);
  background-color: rgba(255, 255, 255, 0.15);
}

.page-download__promotion-image {
  width: 100%;
  height: auto;
  max-height: 225px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
}

.page-download__promotion-title {
  font-size: 1.4em;
  font-weight: bold;
  color: #ffffff;
  margin-bottom: 10px;
}

.page-download__promotion-text {
  font-size: 0.95em;
  color: #f0f0f0;
  margin-bottom: 20px;
}

.page-download__promotion-link {
  display: inline-block;
  color: #A5C4FF;
  text-decoration: none;
  font-weight: bold;
  position: relative;
  padding-bottom: 3px;
}

.page-download__promotion-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background-color: #A5C4FF;
  transform: scaleX(0);
  transform-origin: bottom right;
  transition: transform 0.3s ease-out;
}

.page-download__promotion-link:hover::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

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

/* Security & Responsible Gaming Section */
.page-download__security-content {
  display: flex;
  gap: 50px;
  align-items: center;
  margin-top: 40px;
}

.page-download__security-text {
  flex: 1;
}

.page-download__security-text p {
  margin-bottom: 20px;
  color: #1F2D3D;
}

.page-download__security-image-wrapper {
  flex: 1;
  text-align: center;
}

.page-download__security-image {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  display: block;
  margin: 0 auto;
}

/* FAQ Section */
.page-download__faq-list {
  margin-top: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__faq-item {
  background-color: #FFFFFF;
  border: 1px solid #D6E2FF;
  border-radius: 8px;
  margin-bottom: 15px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03);
  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: #000000;
  cursor: pointer;
  list-style: none;
  position: relative;
  transition: background-color 0.3s ease;
}

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

.page-download__faq-question:hover {
  background-color: #F4F7FB;
}

.page-download__faq-qtext {
  flex-grow: 1;
  padding-right: 15px;
}

.page-download__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  color: #2F6BFF;
  transition: transform 0.3s ease;
}

.page-download__faq-item[open] .page-download__faq-toggle {
  transform: rotate(45deg);
}

.page-download__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1em;
  color: #1F2D3D;
  line-height: 1.6;
}

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

/* Final CTA Section */
.page-download__cta-final .page-download__cta-buttons {
  margin-top: 40px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-download__hero-title {
    font-size: 2.8em;
  }

  .page-download__section-title {
    font-size: 2.5em;
  }

  .page-download__section-description {
    font-size: 1em;
  }

  .page-download__gameshow-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .page-download__security-content {
    flex-direction: column;
    gap: 30px;
  }

  .page-download__security-image-wrapper {
    order: -1; /* Image above text on smaller screens */
  }
}

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

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

  .page-download__hero-image-wrapper {
    margin-bottom: 20px;
  }

  .page-download__hero-title {
    font-size: 2.2em;
  }

  .page-download__hero-description {
    font-size: 1em;
  }

  .page-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }

  .page-download__cta-button {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
  }

  /* 其他内容模块 */
  .page-download__section-padding {
    padding: 40px 0;
  }

  .page-download__container {
    padding: 0 15px;
  }

  .page-download__section-title {
    font-size: 2em;
    margin-bottom: 15px;
  }

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

  .page-download__content-subtitle {
    font-size: 1.5em;
  }

  .page-download__features-grid,
  .page-download__gameshow-grid,
  .page-download__promotions-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

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

  .page-download__feature-icon,
  .page-download__gameshow-image,
  .page-download__promotion-image {
    margin-bottom: 15px;
  }

  .page-download__download-tabs {
    flex-direction: column;
    gap: 10px;
    border-bottom: none;
  }

  .page-download__tab-item {
    border-bottom: 2px solid #D6E2FF;
    text-align: center;
  }

  .page-download__tab-content {
    padding: 30px 20px;
  }

  .page-download__guide-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 20px;
  }

  .page-download__step-number {
    margin-bottom: 10px;
  }

  .page-download__qr-code-wrapper {
    margin-top: 30px;
  }

  .page-download__security-content {
    flex-direction: column;
    gap: 25px;
  }

  .page-download__security-image-wrapper {
    order: -1;
  }

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

  .page-download__faq-answer {
    padding: 0 20px 15px 20px;
    font-size: 0.95em;
  }

  /* 通用图片与容器 */
  .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__qr-code-wrapper,
  .page-download__security-image-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
}