.page-products {
  --card-radius: 6px;
  --card-shadow: 0 2px 8px rgba(10, 61, 44, 0.08);
  --card-shadow-hover: 0 6px 20px rgba(10, 61, 44, 0.14);
  --tab-active-bg: var(--color-primary);
  --tab-active-color: var(--color-text-on-primary);
  --progress-height: 8px;
  --step-num-size: 44px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding: 24px 16px 48px;
  max-width: var(--max-width);
  margin: 0 auto;
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.7;
}

/* 面包屑 */
.page-products .breadcrumb {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.page-products .breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition);
}
.page-products .breadcrumb a:hover {
  color: var(--color-accent-dark);
  text-decoration: underline;
}

/* 页面标题 */
.page-products .page-header {
  border-left: 4px solid var(--color-accent);
  padding-left: 16px;
}
.page-products .page-header__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin: 0 0 6px;
  line-height: 1.1;
}
.page-products .page-header__desc {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 580px;
  margin: 0;
}

/* 仪表板容器 */
.page-products .dashboard {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

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

/* 导航标签栏 */
.page-products .dashboard__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.page-products .tab-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
  user-select: none;
}
.page-products .tab-label:hover {
  background: rgba(10, 61, 44, 0.04);
  color: var(--color-primary);
}
.page-products .tab-label__icon {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

/* 选中高亮 */
.page-products #tab-data:checked ~ .dashboard__nav label[for="tab-data"],
.page-products #tab-login:checked ~ .dashboard__nav label[for="tab-login"],
.page-products #tab-usage:checked ~ .dashboard__nav label[for="tab-usage"] {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
  background: var(--color-surface);
}

/* 内容区域 */
.page-products .dashboard__content {
  padding: 24px 20px;
  min-height: 420px;
}

/* 面板默认隐藏 */
.page-products .tab-panel {
  display: none;
  animation: panelFadeIn 0.35s ease-out;
}
@keyframes panelFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 选中面板显示 */
.page-products #tab-data:checked ~ .dashboard__content #panel-data,
.page-products #tab-login:checked ~ .dashboard__content #panel-login,
.page-products #tab-usage:checked ~ .dashboard__content #panel-usage {
  display: block;
}

/* 面板通用样式 */
.page-products .tab-panel__heading {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.6rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-primary);
  margin: 0 0 12px;
  line-height: 1.2;
}
.page-products .tab-panel__intro {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 680px;
  margin: 0 0 24px;
}
.page-products .tab-panel__more {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin: 28px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}
.page-products .tab-panel__more a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition);
}
.page-products .tab-panel__more a:hover {
  color: var(--color-accent-dark);
  text-decoration: underline;
}

/* 图片容器 */
.page-products .fig {
  margin: 0 0 24px;
  border-radius: var(--card-radius);
  overflow: hidden;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  display: inline-block;
  max-width: 100%;
}
.page-products .fig__img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .fig--hero {
  width: 100%;
  max-width: 800px;
}
.page-products .fig--hero .fig__img {
  width: 100%;
  aspect-ratio: 800 / 500;
}
.page-products .fig--device {
  max-width: 600px;
  width: 100%;
}
.page-products .fig--device .fig__img {
  width: 100%;
  aspect-ratio: 600 / 400;
}
.page-products .fig--login {
  max-width: 400px;
  width: 100%;
  margin-top: 8px;
}
.page-products .fig--login .fig__img {
  width: 100%;
  aspect-ratio: 400 / 300;
}
.page-products .fig--scene {
  max-width: 400px;
  width: 100%;
}
.page-products .fig--scene .fig__img {
  width: 100%;
  aspect-ratio: 400 / 300;
}
.page-products .fig--deco {
  max-width: 200px;
  width: 100%;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
}
.page-products .fig--deco .fig__img {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
}

/* 数据卡片网格 */
.page-products .card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0 0 8px;
}

/* 服务卡片 */
.page-products .service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  padding: 20px;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.page-products .service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--card-shadow-hover);
}
.page-products .service-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-primary);
  margin: 0 0 8px;
  line-height: 1.3;
}
.page-products .service-card__text {
  font-size: 0.95rem;
  color: var(--color-text);
  margin: 0 0 12px;
  line-height: 1.7;
}
.page-products .service-card__progress {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.page-products .service-card__progress-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}
.page-products .service-card__progress-track {
  display: block;
  width: 100%;
  height: var(--progress-height);
  background: var(--color-bg);
  border-radius: calc(var(--progress-height) / 2);
  overflow: hidden;
}
.page-products .service-card__progress-fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: calc(var(--progress-height) / 2);
  transition: width 0.6s ease-out;
}

/* 步骤列表 */
.page-products .steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 0 0 24px;
}
.page-products .step-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  padding: 16px 18px;
  transition: background var(--transition), box-shadow var(--transition);
}
.page-products .step-card:hover {
  background: var(--color-surface);
  box-shadow: var(--card-shadow);
}
.page-products .step-card__num {
  flex-shrink: 0;
  width: var(--step-num-size);
  height: var(--step-num-size);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--color-text-on-primary);
  background: var(--color-primary);
  border-radius: 50%;
  line-height: 1;
}
.page-products .step-card__body {
  flex: 1;
  min-width: 0;
}
.page-products .step-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-primary);
  margin: 0 0 4px;
}
.page-products .step-card__text {
  font-size: 0.95rem;
  color: var(--color-text);
  margin: 0;
}

/* 多设备区块 */
.page-products .multi-device {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 0 0 20px;
  padding: 20px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
}
.page-products .multi-device__content {
  flex: 1;
}
.page-products .multi-device__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-primary);
  margin: 0 0 8px;
}
.page-products .multi-device__text {
  font-size: 0.95rem;
  color: var(--color-text);
  margin: 0;
}

/* 场景卡片网格 */
.page-products .scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0 0 24px;
}
.page-products .scene-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  padding: 20px;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.page-products .scene-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--card-shadow-hover);
}
.page-products .scene-card__icon {
  color: var(--color-accent);
  width: 32px;
  height: 32px;
}
.page-products .scene-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-primary);
  margin: 0;
}
.page-products .scene-card__text {
  font-size: 0.95rem;
  color: var(--color-text);
  margin: 0;
}

/* 底部装饰 */
.page-products .page-deco {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 32px 16px 8px;
  text-align: center;
}
.page-products .page-deco__text {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  max-width: 360px;
  margin: 0;
  font-style: italic;
}

/* ===== 桌面端 (min-width: 768px) ===== */
@media (min-width: 768px) {
  .page-products {
    padding: 32px 24px 56px;
    gap: 40px;
  }
  .page-products .page-header__title {
    font-size: 3rem;
  }
  .page-products .page-header__desc {
    font-size: 1.1rem;
  }

  /* 仪表板两列布局 */
  .page-products .dashboard {
    flex-direction: row;
  }
  .page-products .dashboard__nav {
    flex-direction: column;
    flex-shrink: 0;
    width: 220px;
    border-bottom: none;
    border-right: 1px solid var(--color-border);
    padding-top: 8px;
  }
  .page-products .tab-label {
    padding: 16px 20px;
    border-bottom: none;
    border-right: 3px solid transparent;
    margin-bottom: 0;
    margin-right: -1px;
    font-size: 0.9rem;
  }
  .page-products #tab-data:checked ~ .dashboard__nav label[for="tab-data"],
  .page-products #tab-login:checked ~ .dashboard__nav label[for="tab-login"],
  .page-products #tab-usage:checked ~ .dashboard__nav label[for="tab-usage"] {
    border-bottom-color: transparent;
    border-right-color: var(--color-accent);
    background: var(--color-surface);
  }
  .page-products .dashboard__content {
    flex: 1;
    padding: 32px 28px;
    min-width: 0;
  }

  /* 卡片网格多列 */
  .page-products .card-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .card-grid .service-card:first-child {
    grid-column: 1 / -1;
  }

  /* 步骤横向排列 */
  .page-products .steps {
    flex-direction: row;
    gap: 20px;
  }
  .page-products .step-card {
    flex: 1;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 24px 18px;
  }
  .page-products .step-card__num {
    width: 52px;
    height: 52px;
    font-size: 1.5rem;
  }

  /* 多设备并排 */
  .page-products .multi-device {
    flex-direction: row;
    align-items: center;
  }
  .page-products .multi-device .fig--device {
    flex-shrink: 0;
    margin-bottom: 0;
  }
  .page-products .multi-device__content {
    min-width: 0;
  }

  /* 场景卡片三列 */
  .page-products .scene-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }

  /* 底部装饰内联 */
  .page-products .page-deco {
    flex-direction: row;
    justify-content: center;
    gap: 20px;
  }
}

/* ===== 大桌面端 (min-width: 1200px) ===== */
@media (min-width: 1200px) {
  .page-products {
    padding: 40px 32px 64px;
  }
  .page-products .page-header__title {
    font-size: 3.5rem;
  }
  .page-products .dashboard__nav {
    width: 250px;
  }
  .page-products .tab-label {
    padding: 18px 24px;
    font-size: 0.95rem;
  }
  .page-products .dashboard__content {
    padding: 40px 36px;
  }
  .page-products .card-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .page-products .card-grid .service-card:first-child {
    grid-column: 1 / -1;
  }
}