.page-products {
  --products-primary: #0B5E42;
  --products-accent: #C9A84C;
  --products-accent-light: #E8C34A;
  --products-bg-surface: #2C3E2F;
  --products-text-primary: #F5F5DC;
  --products-text-secondary: #A8B5A0;
  --products-border: #5A7A5A;
  --products-bg-deep: #1A2B1F;
  --products-font-heading: Georgia, "Noto Serif SC", "宋体", "SimSun", serif;
  --products-font-body: -apple-system, "Noto Sans SC", "微软雅黑", "PingFang SC", sans-serif;
  --products-transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --products-radius: 0;
  --products-gap: 24px;
  --products-max-width: 1200px;

  display: block;
  width: 100%;
  padding: 0 var(--products-gap) 48px;
  box-sizing: border-box;
  background: var(--products-bg-deep);
  color: var(--products-text-primary);
  font-family: var(--products-font-body);
  line-height: 1.6;
}

/* ── 面包屑 ── */
.page-products .products-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--products-text-secondary);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.page-products .products-breadcrumb a {
  color: var(--products-text-secondary);
  text-decoration: none;
  transition: color var(--products-transition);
}
.page-products .products-breadcrumb a:hover,
.page-products .products-breadcrumb a:focus-visible {
  color: var(--products-accent-light);
  outline: none;
}
.page-products .products-breadcrumb .sep {
  color: var(--products-accent);
  font-weight: 300;
  font-size: 14px;
}
.page-products .products-breadcrumb [aria-current="page"] {
  color: var(--products-text-primary);
  font-weight: 450;
}

/* ── 标题区 ── */
.page-products .products-hero {
  background: var(--products-primary);
  padding: 32px 28px 28px;
  margin: 0 calc(-1 * var(--products-gap)) 32px;
  position: relative;
}
.page-products .hero-inner {
  max-width: var(--products-max-width);
  margin: 0 auto;
}
.page-products .hero-title {
  font-family: var(--products-font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--products-text-primary);
  margin: 0 0 6px;
  letter-spacing: 0.04em;
}
.page-products .hero-subtitle {
  font-size: 15px;
  color: rgba(245, 245, 220, 0.8);
  margin: 0 0 14px;
  font-weight: 400;
  line-height: 1.5;
}
.page-products .hero-line {
  width: 60px;
  height: 2px;
  background: var(--products-accent);
  border-radius: 1px;
}

/* ── 标签系统 ── */
.page-products .tab-system {
  max-width: var(--products-max-width);
  margin: 0 auto 36px;
  display: flex;
  flex-direction: column;
}
.page-products .tab-radio {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

/* 标签栏 */
.page-products .tab-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 1px solid var(--products-border);
  padding-bottom: 0;
  margin-bottom: 28px;
}
.page-products .tab-label {
  display: inline-block;
  padding: 10px 16px 8px;
  font-family: var(--products-font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--products-text-secondary);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color var(--products-transition), border-color var(--products-transition);
  letter-spacing: 0.02em;
  white-space: nowrap;
  user-select: none;
}
.page-products .tab-label:hover,
.page-products .tab-label:focus-visible {
  color: var(--products-accent-light);
  outline: none;
}

/* 活动态 */
.page-products #tab-adapt:checked ~ .tab-labels label[for="tab-adapt"],
.page-products #tab-price:checked ~ .tab-labels label[for="tab-price"],
.page-products #tab-archive:checked ~ .tab-labels label[for="tab-archive"],
.page-products #tab-search:checked ~ .tab-labels label[for="tab-search"] {
  color: var(--products-accent-light);
  border-bottom-color: var(--products-accent-light);
}

/* 面板容器 */
.page-products .tab-panels {
  position: relative;
  min-height: 280px;
}

/* 单个面板 */
.page-products .tab-panel {
  display: none;
  opacity: 0;
  animation: tabFadeIn 0.35s ease forwards;
}
@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-products #tab-adapt:checked ~ .tab-panels #panel-adapt,
.page-products #tab-price:checked ~ .tab-panels #panel-price,
.page-products #tab-archive:checked ~ .tab-panels #panel-archive,
.page-products #tab-search:checked ~ .tab-panels #panel-search {
  display: block;
}

/* ── 面板卡片 ── */
.page-products .panel-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--products-bg-surface);
  border: 1px solid var(--products-border);
  padding: 24px 20px;
  margin-bottom: 20px;
}
.page-products .panel-icon {
  flex-shrink: 0;
}
.page-products .panel-icon img {
  display: block;
  width: 64px;
  height: 64px;
  object-fit: contain;
  border: 1px solid var(--products-border);
  padding: 4px;
  background: rgba(245, 245, 220, 0.04);
}
.page-products .panel-text {
  flex: 1;
  min-width: 0;
}
.page-products .panel-heading {
  font-family: var(--products-font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--products-text-primary);
  margin: 0 0 10px;
  letter-spacing: 0.02em;
}
.page-products .panel-desc {
  font-size: 15px;
  color: var(--products-text-secondary);
  margin: 0 0 14px;
  line-height: 1.7;
}
.page-products .panel-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-products .panel-list li {
  font-size: 14px;
  color: var(--products-text-primary);
  display: flex;
  align-items: baseline;
  gap: 8px;
  line-height: 1.6;
}
.page-products .list-marker {
  color: var(--products-accent);
  font-weight: 300;
  flex-shrink: 0;
  font-size: 14px;
}
.page-products .panel-extra {
  font-size: 14px;
  color: var(--products-text-secondary);
  padding: 12px 20px;
  border-left: 2px solid var(--products-accent);
  background: rgba(201, 168, 76, 0.04);
  margin-bottom: 12px;
}
.page-products .panel-extra a {
  color: var(--products-accent-light);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--products-transition);
}
.page-products .panel-extra a:hover,
.page-products .panel-extra a:focus-visible {
  border-bottom-color: var(--products-accent-light);
  outline: none;
}

/* ── 比价图表 ── */
.page-products .panel-chart {
  margin-top: 8px;
  padding: 16px 0;
  text-align: center;
}
.page-products .chart-img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--products-border);
  background: rgba(245, 245, 220, 0.03);
}
.page-products .chart-caption {
  font-size: 13px;
  color: var(--products-text-secondary);
  margin: 8px 0 0;
  letter-spacing: 0.02em;
}

/* ── 检索示意图 ── */
.page-products .panel-search-demo {
  text-align: center;
  padding: 12px 0 8px;
}
.page-products .search-demo-img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--products-border);
  background: rgba(245, 245, 220, 0.03);
}

/* ── 底部说明 ── */
.page-products .products-note {
  max-width: var(--products-max-width);
  margin: 0 auto;
  padding-top: 12px;
  border-top: 1px solid var(--products-border);
}
.page-products .note-text {
  font-size: 13px;
  color: var(--products-text-secondary);
  margin: 0;
  line-height: 1.6;
}
.page-products .note-text a {
  color: var(--products-accent-light);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--products-transition);
}
.page-products .note-text a:hover,
.page-products .note-text a:focus-visible {
  border-bottom-color: var(--products-accent-light);
  outline: none;
}

/* ── 桌面 ≥768px ── */
@media (min-width: 768px) {
  .page-products {
    padding: 0 32px 64px;
  }
  .page-products .products-hero {
    padding: 44px 48px 36px;
    margin: 0 calc(-1 * 32px) 40px;
  }
  .page-products .hero-title {
    font-size: 40px;
  }
  .page-products .hero-subtitle {
    font-size: 17px;
  }
  .page-products .hero-line {
    width: 80px;
  }

  .page-products .tab-labels {
    gap: 8px;
    margin-bottom: 36px;
  }
  .page-products .tab-label {
    padding: 12px 24px 10px;
    font-size: 16px;
  }

  .page-products .panel-card {
    flex-direction: row;
    align-items: flex-start;
    gap: 24px;
    padding: 28px 32px;
  }
  .page-products .panel-card.card-reverse {
    flex-direction: row-reverse;
  }
  .page-products .panel-icon {
    margin-top: 4px;
  }
  .page-products .panel-heading {
    font-size: 26px;
  }

  .page-products .panel-chart {
    text-align: left;
    padding: 8px 0 12px 32px;
    border-left: 1px solid var(--products-border);
    margin-left: 32px;
  }
  .page-products .panel-search-demo {
    text-align: left;
    padding: 8px 0 12px 32px;
    border-left: 1px solid var(--products-border);
    margin-left: 32px;
  }

  .page-products .products-note {
    padding-top: 20px;
  }
}

/* ── 大桌面 ≥1024px ── */
@media (min-width: 1024px) {
  .page-products {
    padding: 0 48px 72px;
  }
  .page-products .products-hero {
    padding: 52px 64px 40px;
    margin: 0 calc(-1 * 48px) 48px;
  }
  .page-products .hero-title {
    font-size: 48px;
  }
  .page-products .tab-panels {
    min-height: 320px;
  }
  .page-products .tab-label {
    font-size: 17px;
    padding: 14px 32px 12px;
  }
  .page-products .panel-card {
    gap: 32px;
    padding: 36px 40px;
  }
  .page-products .panel-heading {
    font-size: 28px;
  }
}