/* ===================================================
   page-products 专属样式
   作用域限定：.page-products
   移动端优先 + 桌面增强
   =================================================== */
.page-products {
  --products-sidebar-w: 240px;
  --products-gap: 40px;
  --card-radius: 8px;
  --card-border-color: rgba(255,255,255,0.10);
  --card-bg: #FFFFFF;
  --card-bg-dark: #1A1A1A;
  --hero-bg-start: #B22222;
  --hero-bg-end: #8B0000;
  --filter-btn-bg: rgba(255,255,255,0.06);
  --filter-btn-active: #B22222;
  --table-header-bg: rgba(255,255,255,0.04);
  --table-row-hover: rgba(255,255,255,0.03);
  --gold-border: #C9A96E;
  --text-on-dark: #FFFFFF;
  --text-on-light: #1A1A1A;
  --text-muted: #888888;
  --badge-ok-bg: rgba(201,169,110,0.15);
  --badge-ok-color: #C9A96E;
  --badge-pending-bg: rgba(136,136,136,0.15);
  --badge-pending-color: #888888;

  background-color: var(--color-bg, #1A1A1A);
  color: var(--text-on-dark);
  position: relative;
  overflow-x: hidden;
}

/* 容器 */
.page-products .container {
  max-width: var(--container-max, 1280px);
  margin: 0 auto;
  padding: 0 var(--container-pad, 24px);
}

/* 面包屑 */
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 20px 0 12px;
  font-size: var(--small-size, 0.8125rem);
  line-height: var(--small-line, 1.5);
  color: var(--text-muted);
  flex-wrap: wrap;
}
.page-products .breadcrumb__link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.25s;
}
.page-products .breadcrumb__link:hover {
  color: var(--color-gold, #C9A96E);
}
.page-products .breadcrumb__sep {
  color: var(--text-muted);
  margin: 0 2px;
}
.page-products .breadcrumb__current {
  color: var(--text-on-dark);
  font-weight: 500;
}

/* 双栏布局 */
.page-products .products__layout {
  display: flex;
  flex-direction: column;
  gap: var(--products-gap);
  padding-bottom: 60px;
  position: relative;
}

/* ===== 侧边栏 ===== */
.page-products .products__sidebar {
  width: 100%;
  flex-shrink: 0;
}
.page-products .sidebar__sticky {
  position: relative;
  top: 0;
  z-index: 10;
}
.page-products .sidebar__header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 0 12px;
  border-bottom: 1px solid var(--card-border-color);
  margin-bottom: 12px;
}
.page-products .sidebar__icon {
  display: flex;
  color: var(--color-gold, #C9A96E);
}
.page-products .sidebar__title {
  font-family: var(--font-heading);
  font-size: var(--h3-size, 1.75rem);
  font-weight: 700;
  color: var(--text-on-dark);
  letter-spacing: -0.02em;
}
.page-products .sidebar__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  padding-bottom: 12px;
}
.page-products .sidebar__link {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s;
  border-bottom: 1px solid transparent;
  padding: 2px 0;
  white-space: nowrap;
}
.page-products .sidebar__link:hover {
  color: var(--color-gold, #C9A96E);
  border-bottom-color: var(--color-gold, #C9A96E);
}
.page-products .sidebar__footnote {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-top: 8px;
  font-size: var(--small-size, 0.8125rem);
  color: var(--text-muted);
}
.page-products .sidebar__dot {
  opacity: 0.4;
}
.page-products .sidebar__update {
  color: var(--color-gold, #C9A96E);
}

/* ===== 主内容区 ===== */
.page-products .products__main {
  flex: 1;
  min-width: 0;
}

/* ===== Hero 首屏 ===== */
.page-products .products__hero {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 28px 0 36px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--card-border-color);
}
.page-products .hero__bg-shape {
  display: none;
}
.page-products .hero__content {
  position: relative;
  z-index: 2;
}
.page-products .hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5.5vw, var(--h1-size, 3.5rem));
  line-height: var(--h1-line, 1.1);
  font-weight: 800;
  color: var(--text-on-dark);
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.page-products .hero__title-accent {
  color: var(--color-primary, #B22222);
  background: linear-gradient(135deg, var(--color-primary, #B22222), var(--color-primary-dark, #8B0000));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-products .hero__desc {
  font-size: var(--body-size, 1rem);
  line-height: var(--body-line, 1.6);
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 0 24px;
}
.page-products .hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 36px;
}
.page-products .hero__stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.page-products .hero__stat-num {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-gold, #C9A96E);
  line-height: 1.2;
}
.page-products .hero__stat-label {
  font-size: var(--small-size, 0.8125rem);
  color: var(--text-muted);
}
.page-products .hero__visual {
  position: relative;
  z-index: 1;
  width: 100%;
  border-radius: var(--radius-md, 8px);
  overflow: hidden;
  background: rgba(255,255,255,0.03);
}
.page-products .hero__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-md, 8px);
}

/* ===== 通用 section 标 ===== */
.page-products .section {
  padding: 40px 0;
}
.page-products .section__label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.page-products .section__label-line {
  width: 28px;
  height: 2px;
  background: var(--color-gold, #C9A96E);
  flex-shrink: 0;
}
.page-products .section__label-text {
  font-size: var(--small-size, 0.8125rem);
  font-weight: 600;
  color: var(--color-gold, #C9A96E);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.page-products .section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3.5vw, var(--h2-size, 2.5rem));
  line-height: var(--h2-line, 1.2);
  font-weight: 700;
  color: var(--text-on-dark);
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}
.page-products .section__subtitle {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0 0 32px;
  max-width: 640px;
}

/* ===== 分类卡片网格 ===== */
.page-products .category__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-products .category__card {
  background: var(--card-bg);
  border: 1px solid var(--card-border-color);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
  box-shadow: var(--shadow-card, 0 4px 20px rgba(0,0,0,0.3));
  list-style: none;
}
.page-products .category__card::details-marker,
.page-products .category__card::-webkit-details-marker {
  display: none;
}
.page-products .category__card[open] {
  border-color: var(--gold-border);
  box-shadow: var(--shadow-hover, 0 8px 32px rgba(0,0,0,0.4));
}
.page-products .category__card:hover {
  border-color: var(--gold-border);
}
.page-products .category__card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  list-style: none;
}
.page-products .category__card-header::-webkit-details-marker {
  display: none;
}
.page-products .category__card-icon {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  border-radius: 6px;
  overflow: hidden;
  background: var(--color-light, #F5F5F5);
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-products .category__card-icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-products .category__card-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.page-products .category__card-name {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-on-light);
  line-height: 1.3;
}
.page-products .category__card-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 2px 10px;
  border-radius: 20px;
  background: rgba(201,169,110,0.12);
  color: var(--color-gold, #C9A96E);
  width: fit-content;
  border: 1px solid rgba(201,169,110,0.20);
}
.page-products .category__card-badge:contains("适配中") {
  background: rgba(136,136,136,0.12);
  color: var(--text-muted);
  border-color: rgba(136,136,136,0.20);
}
/* 手动处理适配中样式 */
.page-products .category__card:nth-child(3) .category__card-badge,
.page-products .category__card:nth-child(7) .category__card-badge,
.page-products .category__card:nth-child(12) .category__card-badge {
  background: rgba(136,136,136,0.12);
  color: var(--text-muted);
  border-color: rgba(136,136,136,0.20);
}
.page-products .category__card-arrow {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.3s;
  display: flex;
}
.page-products .category__card[open] .category__card-arrow {
  transform: rotate(180deg);
  color: var(--color-gold, #C9A96E);
}
.page-products .category__card-body {
  padding: 0 18px 20px;
  border-top: 1px solid rgba(0,0,0,0.05);
  padding-top: 14px;
}
.page-products .category__card-body p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-on-light);
  margin: 0 0 12px;
}
.page-products .category__card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-products .category__card-meta .tag {
  display: inline-block;
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 4px;
  background: var(--color-light, #F5F5F5);
  color: var(--text-muted);
  border: 1px solid rgba(0,0,0,0.06);
}

/* ===== 设备适配列表区 ===== */
.page-products .devices__visual {
  margin-bottom: 28px;
  border-radius: var(--radius-md, 8px);
  overflow: hidden;
  background: rgba(255,255,255,0.02);
}
.page-products .devices__visual-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-md, 8px);
}
.page-products .devices__filter-wrap {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}
.page-products .devices__filter-label {
  font-size: var(--small-size, 0.8125rem);
  font-weight: 500;
  color: var(--text-muted);
}
.page-products .devices__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.page-products .devices__filter-btn {
  font-size: 0.8125rem;
  line-height: 1.4;
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.12);
  background: var(--filter-btn-bg);
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
  font-family: var(--font-body);
}
.page-products .devices__filter-btn:hover {
  border-color: var(--color-gold, #C9A96E);
  color: var(--color-gold, #C9A96E);
}
.page-products .devices__filter-btn.is-active {
  background: var(--filter-btn-active);
  color: #FFFFFF;
  border-color: var(--filter-btn-active);
}
.page-products .devices__table-wrap {
  overflow-x: auto;
  margin-bottom: 24px;
  border: 1px solid var(--card-border-color);
  border-radius: var(--radius-md, 8px);
  background: rgba(255,255,255,0.02);
}
.page-products .devices__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  min-width: 520px;
}
.page-products .devices__table th {
  text-align: left;
  padding: 14px 16px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--color-gold, #C9A96E);
  background: var(--table-header-bg);
  border-bottom: 1px solid var(--card-border-color);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.page-products .devices__table td {
  padding: 12px 16px;
  color: var(--text-on-dark);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: middle;
}
.page-products .devices__table tbody tr:hover {
  background: var(--table-row-hover);
}
.page-products .devices__table tbody tr:last-child td {
  border-bottom: none;
}
.page-products .status-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 2px 12px;
  border-radius: 20px;
  white-space: nowrap;
}
.page-products .status-badge--ok {
  background: var(--badge-ok-bg);
  color: var(--badge-ok-color);
  border: 1px solid rgba(201,169,110,0.25);
}
.page-products .status-badge--pending {
  background: var(--badge-pending-bg);
  color: var(--badge-pending-color);
  border: 1px solid rgba(136,136,136,0.20);
}
.page-products .devices__chart-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: rgba(255,255,255,0.02);
  border-radius: var(--radius-md, 8px);
  border: 1px solid var(--card-border-color);
}
.page-products .devices__chart-img {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: 6px;
}
.page-products .devices__chart-caption {
  font-size: var(--small-size, 0.8125rem);
  color: var(--text-muted);
  margin: 0;
}

/* ===== 使用说明 ===== */
.page-products .usage__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 28px;
}
.page-products .usage__item {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--card-border-color);
  border-radius: var(--radius-md, 8px);
  padding: 24px 20px;
  transition: border-color 0.3s;
}
.page-products .usage__item:hover {
  border-color: var(--gold-border);
}
.page-products .usage__item-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-gold, #C9A96E);
  line-height: 1;
  margin-bottom: 10px;
  opacity: 0.6;
}
.page-products .usage__item-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-on-dark);
  margin: 0 0 8px;
}
.page-products .usage__item-text {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 0 0 12px;
}
.page-products .usage__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}
.page-products .usage__note {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-muted);
  padding: 16px 20px;
  background: rgba(201,169,110,0.04);
  border-left: 3px solid var(--color-gold, #C9A96E);
  border-radius: 0 var(--radius-sm, 4px) var(--radius-sm, 4px) 0;
}
.page-products .usage__note a {
  color: var(--color-gold, #C9A96E);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s;
}
.page-products .usage__note a:hover {
  color: var(--color-gold-light, #D4AF37);
}

/* 按钮 */
.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 10px 24px;
  border-radius: var(--radius-sm, 4px);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
  border: 1px solid transparent;
}
.page-products .btn--ghost {
  background: transparent;
  color: var(--color-gold, #C9A96E);
  border-color: var(--color-gold, #C9A96E);
}
.page-products .btn--ghost:hover {
  background: var(--color-gold, #C9A96E);
  color: var(--text-on-light);
}
.page-products .btn--primary {
  background: var(--color-primary, #B22222);
  color: #FFFFFF;
  border-color: var(--color-primary, #B22222);
}
.page-products .btn--primary:hover {
  background: var(--color-primary-dark, #8B0000);
  border-color: var(--color-primary-dark, #8B0000);
}

/* ===== 装饰性科技线条 ===== */
.page-products .products__decoration {
  display: none;
}

/* ===== 滚动显现动画（基础） ===== */
.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.25,0.1,0.25,1), transform 0.7s cubic-bezier(0.25,0.1,0.25,1);
}
.page-products [data-reveal][data-reveal-visible] {
  opacity: 1;
  transform: translateY(0);
}
.page-products [data-reveal-delay="0.05"] { transition-delay: 0.05s; }
.page-products [data-reveal-delay="0.10"] { transition-delay: 0.10s; }
.page-products [data-reveal-delay="0.15"] { transition-delay: 0.15s; }
.page-products [data-reveal-delay="0.20"] { transition-delay: 0.20s; }
.page-products [data-reveal-delay="0.25"] { transition-delay: 0.25s; }
.page-products [data-reveal-delay="0.30"] { transition-delay: 0.30s; }
.page-products [data-reveal-delay="0.35"] { transition-delay: 0.35s; }
.page-products [data-reveal-delay="0.40"] { transition-delay: 0.40s; }
.page-products [data-reveal-delay="0.45"] { transition-delay: 0.45s; }
.page-products [data-reveal-delay="0.50"] { transition-delay: 0.50s; }
.page-products [data-reveal-delay="0.55"] { transition-delay: 0.55s; }
.page-products [data-reveal-delay="0.60"] { transition-delay: 0.60s; }

/* 兼容 reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-products .category__card-arrow,
  .page-products .category__card,
  .page-products .devices__filter-btn,
  .page-products .usage__item,
  .page-products .sidebar__link {
    transition: none;
  }
}

/* ===== 桌面端 >= 768px ===== */
@media (min-width: 768px) {
  .page-products .products__layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 48px;
  }
  .page-products .products__sidebar {
    width: var(--products-sidebar-w);
    position: sticky;
    top: 100px;
    align-self: flex-start;
    flex-shrink: 0;
  }
  .page-products .sidebar__sticky {
    position: sticky;
    top: 100px;
  }
  .page-products .sidebar__nav {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 4px;
  }
  .page-products .sidebar__link {
    white-space: normal;
    font-size: 0.9375rem;
    padding: 6px 0;
    border-bottom: none;
    border-left: 2px solid transparent;
    padding-left: 12px;
  }
  .page-products .sidebar__link:hover {
    border-left-color: var(--color-gold, #C9A96E);
    border-bottom-color: transparent;
  }
  .page-products .products__main {
    flex: 1;
    min-width: 0;
  }

  /* Hero 桌面版 */
  .page-products .products__hero {
    flex-direction: row;
    align-items: center;
    gap: 40px;
    padding: 40px 0 48px;
  }
  .page-products .hero__content {
    flex: 1;
  }
  .page-products .hero__visual {
    width: 380px;
    flex-shrink: 0;
  }

  /* 分类卡片 2 列 */
  .page-products .category__grid {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }

  /* 使用说明 2 列 */
  .page-products .usage__grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  /* 设备图表并排 */
  .page-products .devices__chart-wrap {
    flex-direction: row;
    align-items: center;
  }

  /* 装饰线显示 */
  .page-products .products__decoration {
    display: block;
    position: absolute;
    right: -80px;
    top: 200px;
    width: 200px;
    height: 600px;
    pointer-events: none;
    opacity: 0.25;
    z-index: 0;
  }
  .page-products .products__deco-line {
    width: 100%;
    height: auto;
    object-fit: contain;
  }
}

/* ===== 桌面大屏 >= 1024px ===== */
@media (min-width: 1024px) {
  .page-products .products__sidebar {
    width: 260px;
  }
  .page-products .products__layout {
    gap: 64px;
  }
  .page-products .hero__visual {
    width: 460px;
  }
  .page-products .category__grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .page-products .usage__grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .devices__table {
    min-width: auto;
  }
}

/* ===== 宽屏 >= 1280px ===== */
@media (min-width: 1280px) {
  .page-products .products__sidebar {
    width: 280px;
  }
  .page-products .hero__visual {
    width: 520px;
  }
}

/* ===== 窄屏溢出防护 ===== */
@media (max-width: 420px) {
  .page-products .hero__title {
    font-size: 1.6rem;
  }
  .page-products .category__card-header {
    padding: 12px 14px;
    gap: 10px;
  }
  .page-products .category__card-icon {
    width: 48px;
    height: 48px;
  }
  .page-products .category__card-body {
    padding: 0 14px 16px;
  }
  .page-products .devices__table td,
  .page-products .devices__table th {
    padding: 10px 12px;
    font-size: 0.8125rem;
  }
  .page-products .usage__item {
    padding: 18px 16px;
  }
}