/* ===== 产品中心 ===== */
.products {
  padding: var(--section-py) 0;
  background: var(--bg-light);
}

.products__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* 产品分类 Tab */
.products__tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 48px;
  justify-content: center;
}

.prod-tab {
  padding: 10px 24px;
  border-radius: 28px;
  font-size: .92rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--white);
  border: 2px solid var(--border);
  cursor: pointer;
  transition: var(--trans);
}

.prod-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.prod-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 18px rgba(232,100,10,.3);
}

/* 产品卡片网格 */
.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* 过滤模式：自动居中显示可见卡片 */
.products__grid--filtered {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}

.products__grid--filtered .prod-card {
  flex: 0 0 calc(33.333% - 16px);
  max-width: 420px;
}

.products__grid--filtered .prod-card--featured {
  grid-column: span 1;
}

.products__grid--filtered .prod-card--featured .prod-card__img {
  height: 180px;
}

.products__grid--filtered .prod-card--featured .prod-card__title {
  font-size: 1.15rem;
}

/* 第一张大卡片 */
.products__grid .prod-card--featured {
  grid-column: span 2;
}

.prod-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: var(--trans);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.prod-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-6px);
}

.prod-card__img {
  overflow: hidden;
  flex-shrink: 0;
}

.prod-card__img img {
  width: 100%;
  object-fit: cover;
  transition: transform .5s ease;
  display: block;
}

.prod-card--featured .prod-card__img { height: 260px; }
.prod-card:not(.prod-card--featured) .prod-card__img { height: 180px; }

.prod-card:hover .prod-card__img img {
  transform: scale(1.06);
}

.prod-card__body {
  padding: 24px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.prod-card__cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
}

.prod-card__cat svg {
  width: 13px; height: 13px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
}

.prod-card__title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
  line-height: 1.35;
}

.prod-card--featured .prod-card__title {
  font-size: 1.4rem;
}

.prod-card__desc {
  font-size: .88rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}

/* 产品特性标签 */
.prod-card__features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.feat-chip {
  padding: 4px 12px;
  border-radius: 16px;
  font-size: .75rem;
  font-weight: 600;
  background: rgba(232,100,10,.08);
  color: var(--primary);
  border: 1px solid rgba(232,100,10,.15);
}

.prod-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.prod-card__footer .learn {
  font-size: .88rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.prod-card__footer .learn svg {
  width: 16px; height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
  transition: transform .2s ease;
}

.prod-card:hover .prod-card__footer .learn svg {
  transform: translateX(4px);
}

/* 查看更多按钮 */
.products__more {
  text-align: center;
  margin-top: 52px;
}

@media (max-width: 900px) {
  .products__grid {
    grid-template-columns: 1fr 1fr;
  }
  .products__grid .prod-card--featured {
    grid-column: span 2;
  }
}

@media (max-width: 600px) {
  .products__grid {
    grid-template-columns: 1fr;
  }
  .products__grid .prod-card--featured {
    grid-column: span 1;
  }
}