/* ===== 核心产品 ===== */
.products {
  background: var(--color-bg);
  position: relative;
}
.products::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  padding: 32px 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  padding: 1px;
  background: linear-gradient(135deg, rgba(0,102,255,0.4), rgba(0,212,255,0.4), rgba(0,102,255,0.4));
  background-size: 200% 200%;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition);
  animation: borderFlow 3s ease infinite;
}
.product-card:hover::before { opacity: 1; }
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.product-card__icon { margin-bottom: 20px; }

.product-card__title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
}

.product-card__desc {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.product-card__features {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}
.product-card__features li {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 12px;
  background: rgba(0,168,255,0.08);
  border: 1px solid rgba(0,168,255,0.2);
  color: var(--color-primary-light);
}

.product-card__link {
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 500;
  transition: gap var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.product-card__link:hover { gap: 8px; }