/* ===== 产品中心专属样式 ===== */
.page-products {
  --_card-skew: -2.5deg;
  --_tab-accent: var(--color-accent, #FFA500);
  --_progress-height: 6px;
  --_radius: 0;
  --_gap: 1.5rem;

  padding: 0 var(--grid-gap, 1.5rem) 3rem;
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  color: var(--color-text, #E0E0FF);
  font-family: var(--font-body, sans-serif);
}

/* 面包屑 */
.page-products .breadcrumb {
  padding: 1rem 0 0.5rem;
  font-size: 0.875rem;
  color: var(--color-secondary, #00BFFF);
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
}
.page-products .breadcrumb__link {
  color: var(--color-secondary, #00BFFF);
  text-decoration: none;
  transition: color 0.2s;
}
.page-products .breadcrumb__link:hover {
  color: var(--_tab-accent);
  text-decoration: underline;
}
.page-products .breadcrumb__item {
  color: var(--color-heading, #FFFFFF);
  font-weight: 600;
}

/* 标题区 */
.page-products__hero {
  padding: 1.5rem 0 2rem;
  border-bottom: 2px solid var(--color-border, #4B0082);
  margin-bottom: 2rem;
}
.page-products__hero-title {
  font-family: var(--font-heading, monospace);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  color: var(--color-heading, #FFFFFF);
  margin: 0 0 0.25rem;
  letter-spacing: 0.04em;
  position: relative;
  display: inline-block;
}
.page-products__hero-title::after {
  content: "";
  display: block;
  width: 60%;
  height: 4px;
  background: var(--color-primary, #8A2BE2);
  margin-top: 0.25rem;
}
.page-products__hero-sub {
  font-family: var(--font-heading, monospace);
  font-size: 0.95rem;
  color: var(--color-secondary, #00BFFF);
  margin: 0.5rem 0 0.75rem;
  letter-spacing: 0.15em;
  word-break: keep-all;
}
.page-products__hero-desc {
  font-size: 1rem;
  line-height: 1.65;
  max-width: 780px;
  color: var(--color-text, #E0E0FF);
  margin: 0;
}

/* 标签页容器 */
.page-products__tabs {
  margin-bottom: 2.5rem;
  position: relative;
}

/* 隐藏 radio input */
.page-products__tab-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

/* 标签导航 */
.page-products__tab-labels {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary, #8A2BE2) transparent;
  border-bottom: 3px solid var(--color-border, #4B0082);
  margin-bottom: 1.5rem;
  -webkit-overflow-scrolling: touch;
}
.page-products__tab-labels::-webkit-scrollbar {
  height: 4px;
}
.page-products__tab-labels::-webkit-scrollbar-thumb {
  background: var(--color-primary, #8A2BE2);
  border-radius: 0;
}
.page-products__tab-label {
  flex: 0 0 auto;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-heading, monospace);
  font-size: 0.85rem;
  color: var(--color-text, #E0E0FF);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color 0.25s, background 0.25s, box-shadow 0.25s;
  position: relative;
  white-space: nowrap;
  text-align: center;
  border-right: 1px solid var(--color-border, #4B0082);
  user-select: none;
}
.page-products__tab-label:last-child {
  border-right: none;
}
.page-products__tab-label:hover {
  color: var(--color-heading, #FFFFFF);
  background: rgba(138, 43, 226, 0.15);
}

/* 选中态 —— 通过 :checked 控制兄弟元素 */
#page-products__tab1:checked ~ .page-products__tab-labels label[for="page-products__tab1"],
#page-products__tab2:checked ~ .page-products__tab-labels label[for="page-products__tab2"],
#page-products__tab3:checked ~ .page-products__tab-labels label[for="page-products__tab3"],
#page-products__tab4:checked ~ .page-products__tab-labels label[for="page-products__tab4"] {
  color: var(--color-heading, #FFFFFF);
  background: var(--color-primary, #8A2BE2);
  box-shadow: inset 0 -3px 0 var(--_tab-accent);
}

/* 面板容器 */
.page-products__tab-panels {
  position: relative;
}

/* 面板默认隐藏 */
.page-products__tab-panel {
  display: none;
  animation: pageProductsFadeIn 0.35s ease;
}

/* 选中面板显示 */
#page-products__tab1:checked ~ .page-products__tab-panels #panel1,
#page-products__tab2:checked ~ .page-products__tab-panels #panel2,
#page-products__tab3:checked ~ .page-products__tab-panels #panel3,
#page-products__tab4:checked ~ .page-products__tab-panels #panel4 {
  display: block;
}

@keyframes pageProductsFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 斜切卡片 */
.page-products__card {
  background: var(--color-surface, #1A1A3E);
  border: 1px solid var(--color-border, #4B0082);
  margin-bottom: 1.5rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.page-products__card--skew {
  transform: skewX(var(--_card-skew));
  clip-path: none;
}
.page-products__card--skew:hover {
  box-shadow: 8px 8px 0 var(--color-primary, #8A2BE2);
  transform: skewX(var(--_card-skew)) translateY(-4px);
}
.page-products__card-inner {
  transform: skewX(calc(var(--_card-skew) * -1));
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.page-products__card-body {
  flex: 1 1 auto;
  min-width: 0;
}
.page-products__card-title {
  font-family: var(--font-heading, monospace);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  color: var(--color-heading, #FFFFFF);
  margin: 0 0 0.75rem;
  position: relative;
  padding-left: 0.75rem;
  border-left: 4px solid var(--_tab-accent);
}
.page-products__card-text {
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0 0 0.75rem;
  color: var(--color-text, #E0E0FF);
}
.page-products__card-text:last-child {
  margin-bottom: 0;
}

/* 列表 */
.page-products__list {
  list-style: none;
  margin: 0.5rem 0 1rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.page-products__list li {
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text, #E0E0FF);
}
.page-products__list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--color-secondary, #00BFFF);
  font-weight: 700;
}
.page-products__list--ordered {
  counter-reset: step;
}
.page-products__list--ordered li {
  counter-increment: step;
  padding-left: 2rem;
}
.page-products__list--ordered li::before {
  content: counter(step) ".";
  color: var(--_tab-accent);
  font-weight: 700;
  font-family: var(--font-heading, monospace);
}

/* 链接 */
.page-products__link {
  color: var(--color-secondary, #00BFFF);
  text-decoration: none;
  border-bottom: 1px dashed var(--color-secondary, #00BFFF);
  transition: color 0.2s, border-color 0.2s;
}
.page-products__link:hover {
  color: var(--_tab-accent);
  border-bottom-color: var(--_tab-accent);
}

/* 进度条 */
.page-products__progress {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}
.page-products__progress-label {
  font-size: 0.8rem;
  color: var(--color-secondary, #00BFFF);
  font-family: var(--font-heading, monospace);
  flex: 0 0 auto;
}
.page-products__progress-track {
  flex: 1 1 100px;
  min-width: 60px;
  height: var(--_progress-height);
  background: var(--color-dark, #0D0D2B);
  border: 1px solid var(--color-border, #4B0082);
  position: relative;
  overflow: hidden;
}
.page-products__progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary, #8A2BE2), var(--color-secondary, #00BFFF));
  transition: width 0.6s ease;
  min-width: 0;
}
.page-products__progress-value {
  font-size: 0.8rem;
  color: var(--color-heading, #FFFFFF);
  font-family: var(--font-heading, monospace);
  flex: 0 0 auto;
  white-space: nowrap;
}

/* 图片 */
.page-products__image {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--color-border, #4B0082);
  background: var(--color-dark, #0D0D2B);
  object-fit: cover;
  transition: opacity 0.3s;
}
.page-products__card-media {
  flex: 0 0 auto;
  max-width: 100%;
}

/* 对比模块 (面板4) */
.page-products__compare {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 0.75rem 0 1rem;
}
.page-products__compare-item {
  display: flex;
  align-items: center;
  gap: 0.5rem 0.75rem;
  flex-wrap: wrap;
}
.page-products__compare-dim {
  font-family: var(--font-heading, monospace);
  font-size: 0.85rem;
  color: var(--color-heading, #FFFFFF);
  flex: 0 0 7em;
}
.page-products__compare-bar {
  flex: 1 1 80px;
  height: 8px;
  background: var(--color-dark, #0D0D2B);
  border: 1px solid var(--color-border, #4B0082);
  min-width: 50px;
}
.page-products__compare-fill {
  display: block;
  height: 100%;
  background: var(--color-primary, #8A2BE2);
}
.page-products__compare-label {
  font-size: 0.8rem;
  color: var(--color-text, #E0E0FF);
  flex: 0 0 auto;
}

/* 可复制标记 */
.page-products__copy-badge {
  display: inline-block;
  padding: 0.1em 0.6em;
  font-family: var(--font-heading, monospace);
  font-size: 0.85rem;
  color: var(--color-heading, #FFFFFF);
  background: var(--color-primary, #8A2BE2);
  border: 1px solid var(--color-secondary, #00BFFF);
  cursor: pointer;
  transition: background 0.2s;
}
.page-products__copy-badge:hover {
  background: var(--color-secondary, #00BFFF);
}

/* 导出区域 */
.page-products__export {
  margin-bottom: 2rem;
}
.page-products__card--export {
  background: linear-gradient(135deg, var(--color-surface, #1A1A3E), var(--color-dark, #0D0D2B));
  border-color: var(--color-primary, #8A2BE2);
}
.page-products__export-btn {
  margin-top: 0.5rem;
  background: var(--_tab-accent);
  border: none;
  color: #000;
  font-weight: 700;
  padding: 0.6rem 1.8rem;
  font-family: var(--font-heading, monospace);
  cursor: pointer;
  transition: filter 0.2s, transform 0.2s;
  display: inline-block;
}
.page-products__export-btn:hover {
  filter: brightness(1.15);
  transform: scale(1.02);
}

/* 信任声明 */
.page-products__trust {
  text-align: center;
  padding: 1.5rem 1rem;
  border-top: 2px solid var(--color-border, #4B0082);
  border-bottom: 2px solid var(--color-border, #4B0082);
  margin-bottom: 2rem;
}
.page-products__trust-text {
  font-size: 0.9rem;
  color: var(--color-text, #E0E0FF);
  letter-spacing: 0.02em;
  max-width: 720px;
  margin: 0 auto;
  font-style: italic;
}

/* 浮动导出按钮 (桌面固定) */
.page-products__fab {
  display: none;
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 99;
  padding: 0.6rem 1.2rem;
  background: var(--_tab-accent);
  border: none;
  color: #000;
  font-weight: 700;
  font-family: var(--font-heading, monospace);
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  cursor: pointer;
  transition: filter 0.2s, transform 0.2s;
}
.page-products__fab:hover {
  filter: brightness(1.15);
  transform: scale(1.05);
}

/* ===== 响应式：桌面端 ===== */
@media (min-width: 768px) {
  .page-products {
    padding-left: calc(var(--grid-gap, 1.5rem) + 0.5rem);
    padding-right: calc(var(--grid-gap, 1.5rem) + 0.5rem);
  }

  .page-products__tab-labels {
    justify-content: center;
    overflow-x: visible;
  }
  .page-products__tab-label {
    flex: 0 1 auto;
    padding: 0.85rem 2rem;
    font-size: 0.95rem;
  }

  .page-products__card-inner {
    flex-direction: row;
    align-items: flex-start;
    padding: 1.75rem 2rem;
    gap: 2rem;
  }
  .page-products__card-body {
    flex: 1 1 55%;
  }
  .page-products__card-media {
    flex: 0 0 40%;
    max-width: 400px;
  }

  .page-products__compare-item {
    flex-wrap: nowrap;
  }
  .page-products__compare-bar {
    flex: 1 1 120px;
  }

  .page-products__fab {
    display: block;
  }

  .page-products__trust {
    padding: 2rem 2rem;
  }
}

/* 大屏优化 */
@media (min-width: 1024px) {
  .page-products__hero {
    padding: 2rem 0 2.5rem;
  }
  .page-products__hero-title {
    font-size: 3rem;
  }
  .page-products__card-inner {
    padding: 2rem 2.5rem;
    gap: 2.5rem;
  }
  .page-products__card-media {
    flex: 0 0 360px;
    max-width: 420px;
  }
}

/* 小屏微调 */
@media (max-width: 480px) {
  .page-products__tab-label {
    padding: 0.6rem 0.9rem;
    font-size: 0.75rem;
  }
  .page-products__card-inner {
    padding: 1rem 0.75rem;
  }
  .page-products__compare-dim {
    flex-basis: 5em;
    font-size: 0.8rem;
  }
}