.page-products {
  --apps-grid-gap: clamp(1rem, 2vw, 1.5rem);
  --card-min-width: 180px;
  --step-color: var(--color-star-gold);
  --badge-bg: rgba(106, 78, 156, 0.2);
  --badge-border: var(--color-galaxy-purple);
  --tab-radius: 2rem;
  --intro-img-radius: var(--radius-md);
  --hero-line-color: var(--color-galaxy-purple);
  padding-bottom: 4rem;
}

/* 面包屑 */
.page-products .breadcrumb {
  padding: 1.5rem 0 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}
.page-products .breadcrumb a {
  color: var(--color-cold-white);
  text-decoration: none;
  transition: color var(--transition-smooth);
}
.page-products .breadcrumb a:hover {
  color: var(--color-star-gold);
}
.page-products .breadcrumb__sep {
  margin: 0 0.5rem;
  color: var(--color-border);
}

/* 首屏标题区 */
.page-products__hero {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 2rem 1rem 1.5rem;
}
.page-products__hero-title {
  font-family: var(--font-heading);
  font-size: var(--heading-size);
  font-weight: 700;
  color: var(--color-bright-white);
  letter-spacing: 0.04em;
  margin: 0 0 0.75rem;
  line-height: 1.2;
}
.page-products__hero-desc {
  font-size: calc(var(--body-size) * 1.1);
  color: var(--color-text-muted);
  max-width: 640px;
  line-height: 1.6;
  margin: 0 0 1.5rem;
}
.page-products__hero-line {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--hero-line-color), transparent);
  border-radius: 2px;
}

/* 应用列表区 */
.page-products__apps {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 1rem 3rem;
}
.page-products__apps .section-title {
  margin-bottom: 1.5rem;
}

/* 标签页容器 */
.page-products__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  position: relative;
}

/* 隐藏 radio */
.page-products__tabs input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

/* 标签样式 */
.page-products__tab-label {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--tab-radius);
  cursor: pointer;
  transition: all var(--transition-smooth);
  font-family: var(--font-body);
  user-select: none;
}
.page-products__tab-label:hover {
  color: var(--color-cold-white);
  border-color: var(--color-galaxy-purple);
  background: rgba(106, 78, 156, 0.08);
}
#tab-taiyuan:checked ~ label[for="tab-taiyuan"],
#tab-datong:checked ~ label[for="tab-datong"],
#tab-changzhi:checked ~ label[for="tab-changzhi"],
#tab-jincheng:checked ~ label[for="tab-jincheng"],
#tab-yuncheng:checked ~ label[for="tab-yuncheng"] {
  color: var(--color-bright-white);
  background: var(--color-galaxy-purple);
  border-color: var(--color-galaxy-purple);
  box-shadow: 0 4px 16px rgba(106, 78, 156, 0.35);
}

/* 面板默认隐藏 */
.page-products__tab-panel {
  display: none;
  width: 100%;
  margin-top: 1.5rem;
  order: 1;
}

/* radio选中时显示对应面板 */
#tab-taiyuan:checked ~ .page-products__tab-panel[data-for="tab-taiyuan"],
#tab-datong:checked ~ .page-products__tab-panel[data-for="tab-datong"],
#tab-changzhi:checked ~ .page-products__tab-panel[data-for="tab-changzhi"],
#tab-jincheng:checked ~ .page-products__tab-panel[data-for="tab-jincheng"],
#tab-yuncheng:checked ~ .page-products__tab-panel[data-for="tab-yuncheng"] {
  display: block;
  animation: page-products-fadeIn 0.35s ease;
}

@keyframes page-products-fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 卡片网格 */
.page-products__card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--card-min-width), 1fr));
  gap: var(--apps-grid-gap);
}

/* 应用卡片 */
.page-products__app-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem 1rem 1.25rem;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-smooth);
  cursor: default;
}
.page-products__app-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-float);
  border-color: var(--color-galaxy-purple);
}

/* 城市徽章 */
.page-products__city-badge {
  position: absolute;
  top: -0.5rem;
  right: 0.75rem;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--color-star-gold);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.15rem 0.6rem;
  border-radius: 1rem;
  letter-spacing: 0.04em;
  backdrop-filter: blur(4px);
}

/* 步骤编号 */
.page-products__card-step {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--step-color);
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
  opacity: 0.9;
}

/* 卡片图标 */
.page-products__card-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  margin-bottom: 0.75rem;
  background: rgba(10, 22, 40, 0.5);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-smooth);
}
.page-products__app-card:hover .page-products__card-icon {
  transform: scale(1.06);
}

/* 图标占位符（无图片时） */
.page-products__card-icon--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-text-muted);
  background: linear-gradient(135deg, rgba(26, 42, 68, 0.6), rgba(10, 22, 40, 0.8));
  border: 1px solid var(--color-border);
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  transition: transform var(--transition-smooth);
}
.page-products__app-card:hover .page-products__card-icon--placeholder {
  transform: scale(1.06);
}

/* 卡片标题与文本 */
.page-products__app-card .card__title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-bright-white);
  margin: 0 0 0.4rem;
  line-height: 1.3;
}
.page-products__app-card .card__text {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0 0 1rem;
  flex: 1;
}

/* 卡片按钮 */
.page-products__card-btn {
  align-self: center;
  margin-top: auto;
  padding: 0.45rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 500;
}
.page-products__card-btn.btn--primary {
  background: var(--color-galaxy-purple);
  border: none;
  color: var(--color-bright-white);
  border-radius: var(--radius-sm);
  transition: all var(--transition-smooth);
}
.page-products__card-btn.btn--primary:hover {
  background: #7d5cb8;
  box-shadow: 0 4px 16px rgba(106, 78, 156, 0.4);
  transform: scale(1.02);
}

/* 平台介绍区 */
.page-products__intro {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 1rem 3rem;
}
.page-products__intro .section-title {
  margin-bottom: 1.5rem;
}

.page-products__intro-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}
.page-products__intro-text p {
  font-size: var(--body-size);
  color: var(--color-cold-white);
  line-height: 1.7;
  margin: 0 0 1rem;
}
.page-products__intro-text p:last-child {
  margin-bottom: 0;
}

.page-products__intro-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.page-products__intro-img {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: var(--intro-img-radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  background: var(--color-deep-black);
  object-fit: cover;
  transition: transform var(--transition-smooth);
}
.page-products__intro-img:hover {
  transform: scale(1.01);
}
.page-products__intro-caption {
  margin-top: 0.5rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* 二维码区 */
.page-products__qrcode {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 2.5rem;
  padding: 1.5rem;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  max-width: 280px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-smooth);
}
.page-products__qrcode:hover {
  box-shadow: var(--shadow-float);
}
.page-products__qrcode-img {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  background: var(--color-bright-white);
  padding: 4px;
}
.page-products__qrcode-text {
  margin-top: 0.6rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* 底部导航 */
.page-products__nav-bottom {
  max-width: var(--content-max-width);
  margin: 1.5rem auto 0;
  padding: 0 1rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}
.page-products__nav-bottom .btn--ghost {
  color: var(--color-cold-white);
  border: 1px solid var(--color-border);
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  transition: all var(--transition-smooth);
  text-decoration: none;
}
.page-products__nav-bottom .btn--ghost:hover {
  color: var(--color-bright-white);
  border-color: var(--color-galaxy-purple);
  background: rgba(106, 78, 156, 0.1);
}

/* ====== 响应式 ====== */

/* 平板及以上 */
@media (min-width: 640px) {
  .page-products__hero {
    padding: 3rem 1.5rem 2rem;
  }
  .page-products__hero-title {
    font-size: clamp(2.2rem, 4vw, 3.2rem);
  }
  .page-products__hero-desc {
    font-size: calc(var(--body-size) * 1.15);
  }
  .page-products__apps,
  .page-products__intro {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
  .page-products__card-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.25rem;
  }
  .page-products__app-card {
    padding: 1.75rem 1.25rem 1.5rem;
  }
  .page-products__card-icon,
  .page-products__card-icon--placeholder {
    width: 72px;
    height: 72px;
  }
  .page-products__card-step {
    font-size: 2.5rem;
  }
  .page-products__intro-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
  .page-products__qrcode {
    max-width: 240px;
    padding: 1.25rem;
  }
  .page-products__breadcrumb {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

/* 桌面 */
@media (min-width: 1024px) {
  .page-products__hero {
    padding: 4rem 2rem 2.5rem;
  }
  .page-products__hero-title {
    font-size: clamp(2.8rem, 5vw, 4rem);
  }
  .page-products__apps,
  .page-products__intro {
    padding-left: 2rem;
    padding-right: 2rem;
  }
  .page-products__card-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
  .page-products__app-card {
    padding: 2rem 1.5rem 1.5rem;
  }
  .page-products__tabs {
    gap: 0.75rem;
  }
  .page-products__tab-label {
    padding: 0.5rem 1.5rem;
    font-size: 1rem;
  }
  .page-products__intro-grid {
    gap: 3rem;
  }
  .page-products__nav-bottom {
    justify-content: flex-start;
    gap: 1.5rem;
  }
}

/* 超宽屏内容约束 */
@media (min-width: 1280px) {
  .page-products .breadcrumb,
  .page-products__hero,
  .page-products__apps,
  .page-products__intro,
  .page-products__nav-bottom {
    padding-left: 0;
    padding-right: 0;
  }
}