/* ============================================================
   页面专属 CSS — page-products（APP下载页）
   复古像素风格，模拟老式应用界面
   作用域限定：.page-products
   ============================================================ */

/* ---- 作用域根变量 ---- */
.page-products {
  --products-border-pixel: 2px solid rgba(244, 162, 97, 0.5);
  --products-border-glow: 0 0 6px rgba(255, 107, 53, 0.25);
  --products-scanline-color: rgba(255, 255, 255, 0.03);
  --products-bg-card: rgba(27, 40, 56, 0.85);
  --products-pixel-size: 4px;
  --products-font-mono: var(--font-mono);
  --products-accent-pulse: #FF6B35;

  /* 继承品牌色变量，确保可用 */
  background-color: var(--clr-bg-dark);
  color: var(--clr-text-primary);
  font-family: var(--font-body);
}

/* ============================================================
   容器与通用排版
   ============================================================ */
.page-products .container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.page-products .products-section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4.5vw, 2.4rem);
  font-weight: 700;
  color: var(--clr-text-primary);
  margin: 0 0 var(--space-sm) 0;
  letter-spacing: 0.02em;
  position: relative;
  display: inline-block;
}

.page-products .products-section-title::after {
  content: '';
  display: block;
  width: 60%;
  height: var(--products-pixel-size);
  background: var(--clr-primary-orange);
  margin-top: var(--space-xs);
  box-shadow: var(--products-border-glow);
}

.page-products .products-section-desc {
  font-size: 0.95rem;
  color: var(--clr-text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
  max-width: 680px;
}

/* ============================================================
   面包屑
   ============================================================ */
.page-products .products-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.85rem;
  font-family: var(--products-font-mono);
  color: var(--clr-text-secondary);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.page-products .products-breadcrumb a {
  color: var(--clr-gold-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.page-products .products-breadcrumb a:hover {
  border-bottom-color: var(--clr-gold-accent);
}

.page-products .products-breadcrumb__sep {
  color: var(--clr-primary-orange);
  opacity: 0.6;
}

/* ============================================================
   Hero 区域 — 复古手机 + CRT 扫描线
   ============================================================ */
.page-products .products-hero {
  padding: calc(var(--header-height) + var(--space-lg)) 0 var(--space-xl) 0;
  position: relative;
  overflow: hidden;
}

/* 背景微纹理：像素点阵 */
.page-products .products-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(244, 162, 97, 0.04) 1px, transparent 1px);
  background-size: 12px 12px;
  pointer-events: none;
  z-index: 0;
}

.page-products .products-hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  position: relative;
  z-index: 1;
}

.page-products .products-hero__device {
  position: relative;
  width: 200px;
  flex-shrink: 0;
}

.page-products .products-hero__phone {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md), 0 0 0 2px rgba(244, 162, 97, 0.3);
  image-rendering: pixelated;
  filter: saturate(0.85) contrast(1.1);
}

/* CRT 扫描线叠加 */
.page-products .products-hero__scanlines {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    var(--products-scanline-color) 3px,
    var(--products-scanline-color) 4px
  );
  pointer-events: none;
  z-index: 2;
  mix-blend-mode: overlay;
  opacity: 0.5;
}

.page-products .products-hero__text {
  text-align: center;
  max-width: 600px;
}

.page-products .products-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 5.5vw, 3rem);
  font-weight: 700;
  color: var(--clr-text-primary);
  margin: 0 0 var(--space-sm) 0;
  line-height: 1.15;
  text-shadow: 0 2px 12px rgba(255, 107, 53, 0.2);
}

.page-products .products-hero__desc {
  font-size: 1rem;
  color: var(--clr-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

/* 像素装饰点 */
.page-products .products-hero__pixels {
  display: flex;
  gap: var(--products-pixel-size);
  justify-content: center;
  margin-top: var(--space-sm);
}

.page-products .pixel-dot {
  display: inline-block;
  width: var(--products-pixel-size);
  height: var(--products-pixel-size);
  background: var(--clr-primary-orange);
  box-shadow: 0 0 4px rgba(255, 107, 53, 0.6);
  animation: products-pixel-blink 1.2s infinite alternate;
}

.page-products .pixel-dot:nth-child(2) { animation-delay: 0.2s; }
.page-products .pixel-dot:nth-child(3) { animation-delay: 0.4s; }
.page-products .pixel-dot:nth-child(4) { animation-delay: 0.6s; }
.page-products .pixel-dot:nth-child(5) { animation-delay: 0.8s; }

@keyframes products-pixel-blink {
  0% { opacity: 0.3; transform: scale(0.8); }
  100% { opacity: 1; transform: scale(1.1); }
}

/* ============================================================
   最新版本区
   ============================================================ */
.page-products .products-latest {
  padding: var(--space-lg) 0;
}

.page-products .products-latest__panel {
  background: var(--products-bg-card);
  border: var(--products-border-pixel);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-md);
  position: relative;
  box-shadow: var(--shadow-sm), inset 0 0 40px rgba(255, 107, 53, 0.04);
  backdrop-filter: blur(2px);
}

.page-products .products-latest__badge {
  display: inline-block;
  font-family: var(--products-font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--clr-bg-dark);
  background: var(--clr-primary-orange);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
  font-weight: 600;
  box-shadow: 0 0 8px rgba(255, 107, 53, 0.4);
}

.page-products .products-latest__title {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 3.5vw, 1.8rem);
  font-weight: 700;
  color: var(--clr-text-primary);
  margin: 0 0 var(--space-xs) 0;
}

.page-products .products-latest__desc {
  font-size: 0.95rem;
  color: var(--clr-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.page-products .products-latest__desc a {
  color: var(--clr-gold-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-products .products-latest__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.page-products .products-latest__btn {
  display: inline-block;
  font-family: var(--products-font-mono);
  font-size: 0.9rem;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  cursor: default;
  transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
  border: 1px solid transparent;
}

.page-products .products-latest__btn--primary {
  background: var(--clr-primary-orange);
  color: var(--clr-bg-dark);
  font-weight: 600;
  box-shadow: var(--products-border-glow);
  border-color: var(--clr-primary-orange);
}

.page-products .products-latest__btn--primary[data-hover]:hover {
  background: #e85d2a;
  box-shadow: 0 0 14px rgba(255, 107, 53, 0.5);
}

.page-products .products-latest__btn--outline {
  background: transparent;
  color: var(--clr-gold-accent);
  border-color: var(--clr-gold-accent);
}

.page-products .products-latest__btn--outline:hover {
  background: rgba(244, 162, 97, 0.1);
  box-shadow: 0 0 8px rgba(244, 162, 97, 0.2);
}

/* ============================================================
   版本历史列表
   ============================================================ */
.page-products .products-history {
  padding: var(--space-lg) 0;
}

.page-products .products-history__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* 单个版本条目 — 使用 <details> 实现渐进增强展开 */
.page-products .products-version {
  background: var(--products-bg-card);
  border: 1px solid rgba(244, 162, 97, 0.2);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.page-products .products-version:hover {
  border-color: rgba(244, 162, 97, 0.5);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3), var(--products-border-glow);
}

.page-products .products-version[open] {
  border-color: var(--clr-primary-orange);
  box-shadow: 0 4px 20px rgba(255, 107, 53, 0.15);
}

.page-products .products-version__header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.page-products .products-version__header::-webkit-details-marker {
  display: none;
}

.page-products .products-version__icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  image-rendering: pixelated;
  background: rgba(255, 255, 255, 0.05);
  padding: 4px;
  box-shadow: inset 0 0 0 1px rgba(244, 162, 97, 0.2);
}

.page-products .products-version__meta {
  flex: 1;
  min-width: 0;
}

.page-products .products-version__number {
  display: block;
  font-family: var(--products-font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--clr-text-primary);
  letter-spacing: 0.02em;
}

.page-products .products-version__date {
  display: block;
  font-size: 0.85rem;
  color: var(--clr-text-secondary);
  font-family: var(--products-font-mono);
  margin-top: 2px;
}

.page-products .products-version__expand {
  font-family: var(--products-font-mono);
  font-size: 1.4rem;
  color: var(--clr-primary-orange);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
  width: 24px;
  text-align: center;
}

.page-products .products-version[open] .products-version__expand {
  transform: rotate(45deg);
}

.page-products .products-version__detail {
  padding: 0 var(--space-md) var(--space-md) calc(48px + var(--space-sm) * 2 + var(--space-md));
  border-top: 1px dashed rgba(244, 162, 97, 0.15);
  padding-top: var(--space-sm);
}

.page-products .products-version__note {
  font-size: 0.92rem;
  color: var(--clr-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-xs);
}

.page-products .products-version__guide {
  font-size: 0.88rem;
  color: var(--clr-text-secondary);
  line-height: 1.5;
}

.page-products .products-version__guide a {
  color: var(--clr-gold-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ============================================================
   下载说明区 — 卡片网格
   ============================================================ */
.page-products .products-guide {
  padding: var(--space-lg) 0;
}

.page-products .products-guide__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.page-products .products-guide__card {
  background: var(--products-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  position: relative;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.page-products .products-guide__card:hover {
  background: rgba(27, 40, 56, 0.95);
  border-color: rgba(244, 162, 97, 0.3);
}

.page-products .products-guide__icon {
  display: inline-block;
  font-family: var(--products-font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--clr-primary-orange);
  margin-bottom: var(--space-xs);
  text-shadow: 0 0 6px rgba(255, 107, 53, 0.3);
}

.page-products .products-guide__heading {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--clr-text-primary);
  margin: 0 0 var(--space-xs) 0;
}

.page-products .products-guide__text {
  font-size: 0.9rem;
  color: var(--clr-text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ============================================================
   相关内链区
   ============================================================ */
.page-products .products-links {
  padding: var(--space-lg) 0 var(--space-md);
}

.page-products .products-links__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.page-products .products-links__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: var(--products-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  color: var(--clr-text-primary);
}

.page-products .products-links__item:hover {
  background: rgba(255, 107, 53, 0.08);
  border-color: var(--clr-primary-orange);
  transform: translateY(-2px);
}

.page-products .products-links__label {
  font-family: var(--products-font-mono);
  font-size: 0.9rem;
  font-weight: 500;
}

.page-products .products-links__arrow {
  font-size: 1.1rem;
  color: var(--clr-primary-orange);
  transition: transform var(--transition-fast);
}

.page-products .products-links__item:hover .products-links__arrow {
  transform: translateX(4px);
}

/* ============================================================
   信任声明
   ============================================================ */
.page-products .products-trust {
  padding: var(--space-md) 0 var(--space-xl);
}

.page-products .trust-statement {
  font-size: 0.82rem;
  color: var(--clr-text-secondary);
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: var(--space-md);
  opacity: 0.7;
}

/* ============================================================
   共享类 .btn / .card 的复古覆盖
   ============================================================ */
.page-products .btn {
  font-family: var(--products-font-mono);
  border-radius: var(--radius-sm);
  border-width: 2px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============================================================
   data-reveal 滚动显现动画
   ============================================================ */
.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.page-products [data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* stagger 延迟支持 */
.page-products [data-reveal].revealed:nth-child(2) { transition-delay: 0.08s; }
.page-products [data-reveal].revealed:nth-child(3) { transition-delay: 0.16s; }
.page-products [data-reveal].revealed:nth-child(4) { transition-delay: 0.24s; }
.page-products [data-reveal].revealed:nth-child(5) { transition-delay: 0.32s; }

/* ============================================================
   移动端优先 — 桌面增强
   ============================================================ */
@media (min-width: 640px) {
  .page-products .products-hero__inner {
    flex-direction: row;
    text-align: left;
    align-items: center;
  }

  .page-products .products-hero__device {
    width: 220px;
  }

  .page-products .products-hero__text {
    text-align: left;
  }

  .page-products .products-hero__pixels {
    justify-content: flex-start;
  }

  .page-products .products-latest__panel {
    padding: var(--space-lg) var(--space-xl);
  }

  .page-products .products-version__header {
    padding: var(--space-sm) var(--space-lg);
  }

  .page-products .products-version__detail {
    padding-left: calc(48px + var(--space-sm) * 2 + var(--space-lg));
    padding-right: var(--space-lg);
  }

  .page-products .products-version__icon {
    width: 56px;
    height: 56px;
  }

  .page-products .products-guide__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .products-links__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 900px) {
  .page-products .products-hero {
    padding-top: calc(var(--header-height) + var(--space-xl));
  }

  .page-products .products-hero__device {
    width: 260px;
  }

  .page-products .products-guide__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .products-history__list {
    max-width: 800px;
    margin: 0 auto;
  }

  .page-products .products-latest__panel {
    text-align: center;
  }

  .page-products .products-latest__actions {
    justify-content: center;
  }

  .page-products .products-section-title {
    font-size: 2.2rem;
  }

  .page-products .products-section-desc {
    font-size: 1rem;
  }
}

/* ============================================================
   极窄屏保护（<360px）
   ============================================================ */
@media (max-width: 359px) {
  .page-products .products-hero__device {
    width: 140px;
  }

  .page-products .products-version__icon {
    width: 36px;
    height: 36px;
  }

  .page-products .products-version__detail {
    padding-left: calc(36px + var(--space-sm) * 2 + var(--space-md));
  }

  .page-products .products-version__number {
    font-size: 0.92rem;
  }

  .page-products .products-links__grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   打印样式
   ============================================================ */
@media print {
  .page-products .products-hero::before,
  .page-products .products-hero__scanlines,
  .page-products .pixel-dot {
    display: none;
  }

  .page-products [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .page-products .products-version[open] .products-version__detail {
    display: block;
  }
}