/* ============================================================
 * products.css —— 产品列表页（/products，配置化分组陈列页）
 * 结构：顶部大图+标语 → 每组（标题 → 左场景图+右主推产品 → 产品卡网格+更多产品）
 * PC 产品列表默认前 8 个（4 列），更多折叠展开；移动端 2 列缩略图
 * ============================================================ */

:root {
  --pc-black: #1f1f1f;
  --pc-beige: #d1c5b0;
  --pc-gray: #8a8a8a;
  --pc-line: #ece7dd;
}

.pc-inner {
  /* max-width: 1240px; */
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- 页头：顶部大图（_banner 组件，上）+ 横线标语（下，图下白底黑字） ---------- */
.pc-hero-text {
  padding: 56px;
  background: #fff;
  color: var(--pc-black);
}

.pc-divider {
  width: 64px;
  height: 1px;
  background: var(--pc-black);
  margin: 0 auto 18px;
}

.pc-slogan {
  font-size: 28px;
  /* font-weight: 600; */
  color: var(--pc-black);
  letter-spacing: 3px;
  line-height: 1.6;
}

/* ---------- 产品分组 ---------- */
.pg-group {
  padding: 28px 0;
  background-color: #f2f2f2;
}

.pg-title {
  font-size: 28px;
  /* font-weight: 700; */
  color: var(--pc-black);
  letter-spacing: 1px;
  /* 滚动时组标题贴浮顶部（导航 sticky 高 70px），组尾自动释放 */
  position: sticky;
  top: 70px;
  z-index: 100;
  background: #f2f2f2;
  padding: 28px;
  margin: 0;
}

/* 贴顶（sticky 生效）时：收紧上下留白 + 底部阴影，与下方滚动内容区分 */
.pg-title.stuck {
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  /* padding: 10px; */
  opacity: 0.95;
  transition: 0.2s;
}

/* 中间行：左侧场景图 + 右侧主推产品 */
.pg-lead {
  display: grid;
  grid-template-columns: 1fr 1fr;
  /* gap: 24px; */
  margin-bottom: 28px;
  align-items: stretch;
  border-radius: 10px;
  overflow: hidden;
}

.pg-lead-scene {
  background: var(--pc-line);
  overflow: hidden;
  height: 450px;
}

.pg-lead-scene img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 右侧主推产品卡 */
.pg-lead-featured {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: #fff;
  height: 450px;
}

.pg-lead-media {
  aspect-ratio: 4 / 3;
  /* background: var(--pc-line); */
  overflow: hidden;
  padding: 18px 10px 0 10px;
}

.pg-lead-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: transform 0.6s ease;
}

.pg-lead-body {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  text-align: center;
}

.pg-lead-title {
  font-size: 18px;
  /* font-weight: 700; */
  color: var(--pc-black);
  letter-spacing: 0.5px;
  position: relative;
}

.pg-lead-title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -5px;
  width: 0;
  height: 1px;
  background: #a08050;
  transform: translateX(-50%);
  transition: width 0.3s ease;
}

.pg-lead-cat {
  font-size: 16px;
  color: var(--pc-gray);
}

.pg-lead-intro {
  font-size: 13px;
  color: #555;
  line-height: 1.6;
  margin-top: 6px;
}

.pg-lead-link {
  margin-top: auto;
  padding-top: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--pc-black);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-top: 1px solid var(--pc-line);
}

.pg-lead-arrow {
  transition: transform 0.2s;
}

.pg-lead-featured:hover .pg-lead-arrow {
  transform: translateX(4px);
}

/* 产品卡网格 */
.pg-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.pg-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
}

.pg-card-media {
  aspect-ratio: 1 / 1;
  /* background: var(--pc-line); */
  overflow: hidden;
  height: 250px;
  width: 100%;
  margin: 0 auto;
}

.pg-card-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  padding: 12px;
  transition: transform 0.6s ease;
}

.pg-img-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--pc-gray);
  font-size: 14px;
  letter-spacing: 2px;
}

.pg-card-body {
  padding: 12px;
  text-align: center;
}

.pg-card-title {
  position: relative;
  display: inline-block;
  font-size: 18px;
  /* font-weight: 600; */
  color: var(--pc-black);
  transition: color 0.3s ease;
}

/* 标题下方横线：hover 时从中间向左右两边展开 */
.pg-card-title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -5px;
  width: 0;
  height: 1px;
  background: #a08050;
  transform: translateX(-50%);
  transition: width 0.3s ease;
}

.pg-card-cat {
  display: block;
  font-size: 16px;
  color: var(--pc-gray);
  margin-top: 4px;
}

.pg-lead-featured:hover .pg-lead-media img {
  transform: scale(1.1);
}

.pg-lead:hover .pg-lead-title {
  color: #a08050;
}

.pg-lead:hover .pg-lead-title::after {
  /* width: 100%; */
}

/* ---------- 产品卡片 hover 动画：图片缓慢放大 + 标题下横线从中间向两边展开 ---------- */
.pg-card:hover .pg-card-media img {
  transform: scale(1.1);
}

.pg-card:hover .pg-card-title {
  color: #a08050;
}

.pg-card:hover .pg-card-title::after {
  width: 100%;
}

/* 折叠：第 9 个起放入独立容器，max-height 由 JS 按内容真实高度控制（展开/收起均平滑，不闪不滞） */
.pg-grid-more {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease;
  margin-top: 12px;
}

/* 更多产品按钮 */
.pg-more-wrap {
  text-align: center;
  margin-top: 18px;
}

.pg-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  padding: 10px 35px;
  width: 100%;
  border-radius: 10px;
  font-size: 15px;
  letter-spacing: 1px;
  cursor: pointer;
  color: #fff;
  background: #111;
  border: 1px solid #111;
}

/* 箭头：CSS 画 V 形（右+下边框旋转 45°=向下），展开时旋转 180° 朝上 */
.pg-more-icon {
  width: 9px;
  height: 9px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.3s ease;
  margin-top: -4px;
  flex-shrink: 0;
}

.pg-more.open .pg-more-icon {
  transform: rotate(-135deg);
  margin-top: 5px;
}

/* ---------- 移动端 ---------- */
@media (max-width: 860px) {
  .pc-hero-text {
    padding: 40px 20px;
  }

  .pc-divider {
    margin-bottom: 14px;
  }

  .pc-slogan {
    font-size: 20px;
    letter-spacing: 1px;
    line-height: 1.7;
    padding: 0 10px;
  }

  .pg-group {
    padding: 20px 0;
  }

  .pc-inner {
    padding: 0px 10px;
  }

  .pg-title {
    font-size: 22px;
    margin-bottom: 10px;
    /* 移动端导航高 60px */
    top: 60px;
    padding: 20px;
    /* text-align: center; */
  }

  /* 中间行变竖排：场景图作为主图背景，主推信息叠加其上 */
  .pg-lead {
    display: flex;
    flex-direction: column-reverse;
    margin-bottom: 10px;
  }

  .pg-lead-scene {
    position: relative;
    aspect-ratio: auto;
    height: 250px;
  }

  .pg-lead-featured {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    border: none;
    color: #fff;
    text-shadow: none;
    flex-direction: column-reverse;
    height: auto;
  }

  .pg-lead-media {
    display: block;
    height: 300px;
    aspect-ratio: auto;
    padding: 20px;
  }

  .pg-lead-body {
    padding: 20px 20px 0 20px;
    gap: 4px;
    text-align: left;
  }

  .pg-lead-title {
    color: #000;
    font-size: 16px;
  }

  .pg-lead-cat {
    font-size: 14px;
  }

  .pg-lead-intro {
    display: none;
  }

  .pg-lead-link {
    display: none;
  }

  /* 网格 2 列 */
  .pg-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .pg-card-media {
    height: auto;
  }

  .pg-card-body {
    /* padding: 8px 0 0; */
  }

  .pg-card-title {
    font-size: 16px;
  }

  .pg-card-cat {
    font-size: 14px;
    /* margin-bottom: 10px; */
  }

  .pg-more-wrap {
    margin-top: 0px;
  }

  .pg-more {
    width: 100%;
    justify-content: center;
    padding: 13px 0;
  }

  .pg-more.open {
    margin-top: 10px;
  }
}