.model-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.2rem;
  margin-top: 0.3rem;
}
.model-card {
  border: 2px solid #e0e0e0;
  border-radius: 0.12rem;
  padding: 0.2rem;
  cursor: pointer;
  transition: all 0.3s;
  text-align: center;
  background: #fafafa;
}
.model-card:hover {
  border-color: #999;
  background: #f0f0f0;
}
.model-card.active {
  border-color: #000;
  background: #fff;
  box-shadow: 0 0 0.15rem rgba(0, 0, 0, 0.15);
}
.model-card img {
  width: 100% !important;
  height: 1.4rem !important;
  object-fit: contain;
  margin-bottom: 0.1rem;
}
.model-card .model-name {
  font-family: "Montserrat-Bold";
  font-size: 0.24rem;
  color: #000;
  margin-bottom: 0.05rem;
}
.model-card .model-desc {
  font-family: "Montserrat-Regular";
  font-size: 0.14rem;
  color: #888;
}
.model-card.active .model-name {
  color: #000;
}
.model-card.active .model-desc {
  color: #555;
}
.submit_ok_pop .box .d {
  font-family: "Montserrat-Regular";
  font-size: 0.2rem;
  color: #666;
  margin-top: 0.2rem;
  text-align: center;
}

@media (max-width: 768px) {
  .model-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.2rem;
  }
  .model-card img {
    height: 1.6rem !important;
  }
  .model-card .model-name {
    font-size: 0.3rem;
  }
  .model-card .model-desc {
    font-size: 0.2rem;
  }
}