/* =============================================
   page-products — APP下载页面专属样式
   作用域：.page-products
   移动端优先 + 桌面断点
   ============================================= */
.page-products {
  --prod-bg: var(--color-bg, #0B1D3A);
  --prod-bg-card: var(--color-bg-card, #102A4A);
  --prod-accent1: var(--color-accent1, #7B2FF7);
  --prod-accent2: var(--color-accent2, #39FF14);
  --prod-text: var(--color-text-primary, #FFFFFF);
  --prod-text-secondary: var(--color-text-secondary, #B0BEC5);
  --prod-border: var(--color-border, #1E3A5F);
  --prod-gradient: var(--color-gradient, linear-gradient(135deg, #7B2FF7, #39FF14));
  --prod-font-heading: var(--font-heading, Arial, 'Noto Sans SC', sans-serif);
  --prod-font-mono: var(--font-mono, 'Courier New', 'Noto Sans Mono', monospace);
  --prod-radius: 12px;
  --prod-spacing-xs: 0.5rem;
  --prod-spacing-sm: 1rem;
  --prod-spacing-md: 2rem;
  --prod-spacing-lg: 4rem;
  --prod-max-width: var(--width-max, 1200px);

  display: block;
  background-color: var(--prod-bg);
  color: var(--prod-text);
  font-family: var(--font-body, 'Segoe UI', 'Noto Sans SC', sans-serif);
  padding: 0 1rem 3rem;
  min-height: 80vh;
}

/* 容器 */
.page-products__inner {
  max-width: var(--prod-max-width);
  margin: 0 auto;
}

/* ---------- 面包屑 ---------- */
.page-products__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.6rem;
  padding: 1.5rem 0 0.5rem;
  font-size: 0.85rem;
  font-family: var(--prod-font-mono);
  color: var(--prod-text-secondary);
}
.page-products__breadcrumb-link {
  color: var(--prod-accent2);
  text-decoration: none;
  transition: color 0.2s;
}
.page-products__breadcrumb-link:hover,
.page-products__breadcrumb-link:focus {
  color: var(--prod-text);
  outline: 2px solid var(--prod-accent2);
  outline-offset: 2px;
}
.page-products__breadcrumb-sep {
  color: var(--prod-border);
  font-size: 0.75rem;
}
.page-products__breadcrumb-current {
  color: var(--prod-text);
  font-weight: 600;
}

/* ---------- 首屏标题 ---------- */
.page-products__hero {
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--prod-border);
  margin-bottom: 2.5rem;
}
.page-products__hero-title {
  font-family: var(--prod-font-heading);
  font-weight: 900;
  font-size: clamp(2.2rem, 8vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 0.25rem;
  color: var(--prod-text);
}
.page-products__hero-sub {
  display: inline-block;
  background: var(--prod-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding-left: 0.15em;
}
.page-products__hero-desc {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--prod-text-secondary);
  margin: 0.75rem 0 0.5rem;
  max-width: 32em;
  line-height: 1.5;
}
.page-products__hero-badge {
  display: inline-block;
  font-family: var(--prod-font-mono);
  font-size: 0.8rem;
  padding: 0.3rem 0.9rem;
  border: 1px solid var(--prod-accent1);
  border-radius: 30px;
  color: var(--prod-accent1);
  background-color: rgba(123, 47, 247, 0.08);
  letter-spacing: 0.02em;
}

/* ---------- 通用 section 标签 ---------- */
.page-products__section-label {
  font-family: var(--prod-font-heading);
  font-weight: 900;
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  margin: 0 0 1.5rem;
  padding-left: 0.6rem;
  border-left: 4px solid var(--prod-accent2);
  line-height: 1.2;
  color: var(--prod-text);
}

/* ---------- 下载卡片网格 ---------- */
.page-products__downloads {
  margin-bottom: 3.5rem;
}
.page-products__card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.8rem;
}
/* 卡片基础 */
.page-products__card {
  position: relative;
  border-radius: var(--prod-radius);
  background-color: var(--prod-bg-card);
  border: 1px solid var(--prod-border);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}
.page-products__card:hover,
.page-products__card:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(57, 255, 20, 0.08), 0 0 0 1px rgba(123, 47, 247, 0.3);
}
/* 背景光效图 */
.page-products__card-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.15;
  pointer-events: none;
}
.page-products__card-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* 卡片主体 */
.page-products__card-body {
  position: relative;
  z-index: 1;
  padding: 1.6rem 1.5rem 1.8rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.page-products__card-icon-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.page-products__card-icon {
  font-size: 2rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  background: var(--prod-gradient);
  border-radius: 8px;
  color: #fff;
  font-weight: 900;
}
.page-products__card-icon--ios {
  font-family: var(--prod-font-mono);
}
.page-products__card-icon--android {
  font-family: var(--prod-font-mono);
}
.page-products__card-icon--tv {
  font-family: var(--prod-font-mono);
}
.page-products__card-version {
  font-family: var(--prod-font-mono);
  font-size: 0.8rem;
  color: var(--prod-accent2);
  background: rgba(57, 255, 20, 0.1);
  padding: 0.2rem 0.7rem;
  border-radius: 20px;
  border: 1px solid rgba(57, 255, 20, 0.25);
}
.page-products__card-title {
  font-family: var(--prod-font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  margin: 0 0 0.4rem;
  line-height: 1.2;
}
.page-products__card-desc {
  color: var(--prod-text-secondary);
  font-size: 0.95rem;
  margin: 0 0 1.2rem;
  line-height: 1.5;
  max-width: 28em;
}
/* 预览图 */
.page-products__card-preview {
  margin: 0 0 1.2rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--prod-border);
  max-width: 100%;
}
.page-products__card-preview--wide {
  max-width: 100%;
}
.page-products__preview-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: attr(width) / attr(height);
}
/* 按钮区域 */
.page-products__card-action {
  margin-top: auto;
  padding-top: 0.5rem;
}
.page-products__card-btn {
  display: inline-block;
  font-family: var(--prod-font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.7rem 1.8rem;
  border-radius: 30px;
  cursor: default;
  transition: transform 0.2s, box-shadow 0.2s;
  user-select: none;
}
.page-products__card-btn--primary {
  background: var(--prod-gradient);
  color: #fff;
  box-shadow: 0 4px 14px rgba(123, 47, 247, 0.25);
}
.page-products__card-btn--primary:hover,
.page-products__card-btn--primary:focus {
  transform: scale(1.04);
  box-shadow: 0 6px 24px rgba(57, 255, 20, 0.2);
}

/* 二维码装饰 */
.page-products__qrcode-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2.2rem;
  padding: 1rem;
  border-top: 1px solid var(--prod-border);
}
.page-products__qrcode-img {
  width: 100px;
  height: auto;
  max-width: 120px;
  border-radius: 8px;
  opacity: 0.85;
}
.page-products__qrcode-label {
  font-size: 0.8rem;
  color: var(--prod-text-secondary);
  font-family: var(--prod-font-mono);
  letter-spacing: 0.05em;
}

/* ---------- 功能对比 ---------- */
.page-products__compare {
  margin-bottom: 3.5rem;
}
.page-products__compare-visual {
  margin-bottom: 1.8rem;
  border-radius: var(--prod-radius);
  overflow: hidden;
  border: 1px solid var(--prod-border);
}
.page-products__compare-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-products__compare-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--prod-radius);
  border: 1px solid var(--prod-border);
  background-color: var(--prod-bg-card);
}
.page-products__compare-caption {
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: var(--prod-text-secondary);
  text-align: left;
  caption-side: top;
  font-family: var(--prod-font-mono);
  letter-spacing: 0.02em;
}
.page-products__compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 480px;
}
.page-products__compare-table th,
.page-products__compare-table td {
  padding: 0.7rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--prod-border);
}
.page-products__compare-table th {
  font-family: var(--prod-font-heading);
  font-weight: 700;
  background-color: rgba(123, 47, 247, 0.12);
  color: var(--prod-accent2);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
}
.page-products__compare-table td:first-child {
  font-weight: 600;
  color: var(--prod-text);
}
.page-products__check {
  color: var(--prod-accent2);
  font-size: 1.1rem;
  line-height: 1;
}
.page-products__dim {
  color: var(--prod-border);
  font-size: 0.9rem;
}
.page-products__compare-note {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--prod-text-secondary);
  line-height: 1.5;
  padding-left: 0.6rem;
  border-left: 3px solid var(--prod-accent1);
}

/* ---------- 更新日志 ---------- */
.page-products__changelog {
  margin-bottom: 3rem;
}
.page-products__changelog-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.page-products__changelog-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.2rem 1.4rem;
  background-color: var(--prod-bg-card);
  border-radius: var(--prod-radius);
  border-left: 4px solid var(--prod-accent1);
}
.page-products__changelog-version {
  font-family: var(--prod-font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--prod-accent2);
  letter-spacing: 0.04em;
}
.page-products__changelog-content {
  margin: 0;
}
.page-products__changelog-ul {
  margin: 0;
  padding-left: 1.2rem;
  list-style: none;
}
.page-products__changelog-ul li {
  position: relative;
  padding-left: 1rem;
  margin-bottom: 0.3rem;
  color: var(--prod-text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}
.page-products__changelog-ul li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--prod-accent1);
  font-weight: 700;
}

/* ---------- 内部链接 ---------- */
.page-products__related {
  padding-top: 2rem;
  border-top: 1px solid var(--prod-border);
}
.page-products__related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.5rem;
}
.page-products__related-link {
  font-family: var(--prod-font-mono);
  font-size: 0.9rem;
  color: var(--prod-accent2);
  text-decoration: none;
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.page-products__related-link:hover,
.page-products__related-link:focus {
  border-bottom-color: var(--prod-accent2);
  color: var(--prod-text);
  outline: none;
}

/* =============================================
   桌面端 ≥ 768px
   ============================================= */
@media (min-width: 768px) {
  .page-products {
    padding: 0 2rem 4rem;
  }
  .page-products__breadcrumb {
    padding-top: 2rem;
    font-size: 0.9rem;
  }
  .page-products__hero {
    padding: 3rem 0 2rem;
    margin-bottom: 3.5rem;
  }
  /* 卡片网格：iOS 占左列，Android 右列，大屏端跨列 */
  .page-products__card-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .page-products__card--ios {
    grid-column: 1 / 2;
  }
  .page-products__card--android {
    grid-column: 2 / 3;
  }
  .page-products__card--tv {
    grid-column: 1 / 3;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
  .page-products__card--tv .page-products__card-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 1.5rem;
  }
  .page-products__card--tv .page-products__card-title {
    grid-column: 1 / 2;
  }
  .page-products__card--tv .page-products__card-desc {
    grid-column: 1 / 2;
  }
  .page-products__card--tv .page-products__card-preview--wide {
    grid-column: 2 / 3;
    grid-row: 1 / 5;
    margin-bottom: 0;
  }
  .page-products__card--tv .page-products__card-action {
    grid-column: 1 / 2;
  }
  .page-products__card-body {
    padding: 2rem;
  }
  .page-products__qrcode-area {
    flex-direction: row;
    justify-content: center;
    gap: 1rem;
    padding: 1.5rem;
  }
  .page-products__qrcode-img {
    width: 90px;
  }
  /* 对比区两栏布局 */
  .page-products__compare {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 2rem;
    align-items: start;
  }
  .page-products__compare .page-products__section-label {
    grid-column: 1 / -1;
  }
  .page-products__compare-visual {
    margin-bottom: 0;
  }
  .page-products__compare-table-wrapper {
    margin-bottom: 0;
  }
  .page-products__compare-note {
    grid-column: 1 / -1;
  }
  /* 更新日志两列 */
  .page-products__changelog-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
  }
  .page-products__changelog-item {
    margin-bottom: 0;
  }
}

/* =============================================
   桌面端 ≥ 1024px 更宽裕
   ============================================= */
@media (min-width: 1024px) {
  .page-products {
    padding: 0 3rem 5rem;
  }
  .page-products__card-grid {
    gap: 2.5rem;
  }
  .page-products__card--tv {
    grid-template-columns: 1.2fr 0.8fr;
  }
  .page-products__compare {
    grid-template-columns: 1fr 1.5fr;
    gap: 2.5rem;
  }
  .page-products__changelog-list {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .page-products__related-links {
    gap: 1rem 2.5rem;
  }
}

.page-products {
  --font-body: inherit;
}