/* 页面专属：APP下载 */
.page-products {
  --page-color-hero-bg: var(--color-blue);        /* 新变量在作用域内定义 */
  --page-color-card-bg: var(--color-cream);
  --page-color-card-border: var(--color-grid);
  --page-color-accent: var(--color-gold);
  --page-color-text: var(--color-dark);
  --page-gap: 2rem;
  --page-radius: 0px;                             /* 直角，继承全局风格 */
}

/* 移动端优先基础样式 */
.page-products__breadcrumb {
  padding: 0.75rem 1rem;
  font-size: var(--size-sm);
  color: var(--color-text);
  background: var(--color-cream);
  border-bottom: 1px solid var(--color-grid);
}

.page-products__breadcrumb-list a {
  color: var(--color-blue);
  text-decoration: underline;
}

.page-products__breadcrumb-list a:hover {
  color: var(--color-hover);
}

.page-products__hero {
  background: var(--page-color-hero-bg);
  color: var(--color-light);
  padding: 2rem 1rem;
}

.page-products__hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.page-products__hero-visual {
  width: 100%;
  max-width: 800px;
}

.page-products__hero-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
}

.page-products__hero-content {
  text-align: center;
}

.page-products__hero-title {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--size-xl);
  line-height: 1.2;
  margin: 0 0 0.5rem;
}

.page-products__hero-desc {
  font-size: var(--size-base);
  margin: 0 0 1.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.page-products__old-user {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
  font-size: var(--size-sm);
}

.page-products__old-user-icon {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.page-products__features {
  padding: 2rem 1rem;
}

.page-products__section-title {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--size-lg);
  color: var(--color-dark);
  margin: 0 0 1.5rem;
  text-align: center;
}

.page-products__card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

.page-products__card {
  perspective: 800px;
  cursor: default;
}

.page-products__card-inner {
  position: relative;
  width: 100%;
  height: 200px; /* 固定高度保证翻转一致 */
  transition: transform 0.4s ease;
  transform-style: preserve-3d;
}

.page-products__card[data-flip]:hover .page-products__card-inner,
.page-products__card[data-flip]:focus-within .page-products__card-inner {
  transform: rotateY(180deg);
}

.page-products__card-front,
.page-products__card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  border: 1px solid var(--page-color-card-border);
  background: var(--page-color-card-bg);
  color: var(--color-dark);
  border-radius: var(--page-radius);
}

.page-products__card-back {
  transform: rotateY(180deg);
  background: var(--color-blue);
  color: var(--color-light);
}

.page-products__card-icon {
  width: 60px;
  height: 60px;
  object-fit: contain;
  margin-bottom: 0.5rem;
}

.page-products__card-title {
  font-family: var(--font-heading);
  font-weight: var(--weight-data);
  font-size: var(--size-base);
  margin: 0;
}

.page-products__card-back p {
  font-size: var(--size-sm);
  text-align: center;
  margin: 0;
}

.page-products__sports-icons {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 0;
  font-size: var(--size-sm);
  color: var(--color-text);
}

.page-products__sports-icons img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.page-products__usage {
  padding: 2rem 1rem;
  background: var(--color-cream);
  border-top: 1px solid var(--color-grid);
  border-bottom: 1px solid var(--color-grid);
}

.page-products__steps {
  list-style-position: inside;
  counter-reset: step;
}

.page-products__steps li {
  margin-bottom: 0.75rem;
  font-size: var(--size-base);
  color: var(--color-text);
}

.page-products__steps li::marker {
  content: counter(step) ". ";
  counter-increment: step;
  font-weight: var(--weight-data);
  color: var(--color-red);
}

.page-products__usage-link {
  margin-top: 1rem;
  font-size: var(--size-sm);
}

.page-products__usage-link a {
  color: var(--color-blue);
  text-decoration: underline;
}

.page-products__usage-link a:hover {
  color: var(--color-hover);
}

.page-products__download {
  padding: 2rem 1rem;
  text-align: center;
}

.page-products__download-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

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

.page-products__qrcode-img {
  max-width: 100%;
  height: auto;
  transition: transform 0.3s ease;
  cursor: pointer;
}

.page-products__qrcode-img[data-hover-zoom]:hover {
  transform: scale(1.1);
}

.page-products__qrcode-label {
  margin-top: 0.5rem;
  font-size: var(--size-sm);
  color: var(--color-text);
}

.page-products__download-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

/* 脉冲动画按钮 */
[data-button-pulse] {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(230, 57, 70, 0.6);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(230, 57, 70, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(230, 57, 70, 0);
  }
}

/* 桌面端 */
@media (min-width: 768px) {
  .page-products__hero-inner {
    flex-direction: row;
    justify-content: space-between;
    max-width: var(--max-width);
    margin: 0 auto;
  }

  .page-products__hero-visual {
    width: 55%;
  }

  .page-products__hero-content {
    width: 40%;
    text-align: left;
  }

  .page-products__hero-title {
    font-size: var(--size-2xl);
  }

  .page-products__card-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products__download-area {
    flex-direction: row;
    justify-content: center;
  }

  .page-products__qrcode {
    order: 2;
  }

  .page-products__download-actions {
    order: 1;
    align-items: flex-end;
  }
}

.page-products {
  --color-text: var(--page-color-text);
}