/* 三种合作模式：保留浅色底色，以竖向图片卡片呈现。 */
.oem-models .sec-head { margin-bottom: 46px; }
.oem-models .sec-head h2 { font-size: 2.8rem; line-height: 1.35; }
.oem-models .grid-3 { gap: 30px; }
.oem-models .model-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 390px;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(20,32,58,.15);
  border-radius: 18px;
  isolation: isolate;
}
.oem-models .model-photo {
  position: absolute;
  inset: 0;
  z-index: -2;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.oem-models .model-photo-oem { object-position: center 40%; }
.oem-models .model-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(10,24,38,.12) 0%, rgba(10,24,38,.36) 40%, rgba(10,24,38,.94) 100%);
  pointer-events: none;
}
.oem-models .model-card .icon {
  position: absolute;
  top: 22px;
  left: 22px;
  width: 38px;
  height: 38px;
  margin: 0;
  border: 1px solid rgba(201,164,92,.5);
  border-radius: 10px;
  background: rgba(20,32,58,.65);
  color: #d4bf91;
  font-size: 1.05rem;
}
.oem-models .model-copy { padding: 28px; }
.oem-models .model-copy h3 {
  margin-bottom: 14px;
  color: #fff;
  font-size: 1.65rem;
  line-height: 1.4;
}
.oem-models .model-copy p {
  color: rgba(255,255,255,.86);
  font-size: 1rem;
  line-height: 1.9;
}