/* 暗色高级风：细边框、金色点缀、深色底 */
:root{
  --radius:4px;
  --border:#262626;
}
.biz-card,.prod-card,.brand-card,.news-card,.honor-item,.culture-item{border-radius:var(--radius);border-color:var(--border)}
.biz-card:hover,.prod-card:hover,.brand-card:hover,.news-card:hover{box-shadow:0 12px 32px rgba(0,0,0,.5)}
.seal-stamp{color:var(--seal-red);border-color:var(--seal-red)}