.screen_1200 {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  position: relative;
}
.nban .nban-title {
  display: block;
}
.nban .nban-title strong {
  color: #CC2229;
}
.nban .nban-desc {
  width: 80%;
}
.model1 {
  width: 100%;
  padding: 80px 0;
}
.model1 .title {
  width: 100%;
  font-size: 30px;
  color: #333;
  margin-bottom: 10px;
  font-weight: 600;
}
.model1 .desc {
  width: 50%;
  font-size: 14px;
  color: #666666;
  line-height: 24px;
  margin-bottom: 30px;
}
.model1 .video {
  width: 100%;
  margin-bottom: 40px;
}
.model1 .video video {
  width: 100%;
  display: block;
}
.model1 .row {
  display: flex;
  margin-bottom: 40px;
}
.model1 .row .number {
  margin-right: 40px;
  width: 280px;
  height: 280px;
  background: #F8F8F8;
  border-radius: 20px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.model1 .row .number .sub {
  font-size: 16px;
  color: #333333;
  position: absolute;
  top: 30px;
  left: 30px;
}
.model1 .row .number .num {
  font-size: 60px;
  color: #333333;
  position: relative;
  font-weight: 600;
}
.model1 .row .number .num span {
  font-size: 18px;
  color: #333;
  position: absolute;
  right: 0;
  top: 0;
}
.model1 .row .number .sup {
  font-size: 16px;
  color: #333333;
  position: absolute;
  bottom: 30px;
  right: 30px;
}
.model1 .row .text {
  width: calc(100% - 280px - 280px - 60px);
}
.model1 .row .text .p {
  width: 100%;
  border-top: 1px solid #EFEFEF;
  padding: 20px 0;
}
.model1 .row .text .p .h4 {
  font-size: 18px;
  color: #333;
}
.model1 .row .text .p .span {
  font-size: 14px;
  color: #666;
  line-height: 24px;
}
.model1 .list {
  width: 100%;
  display: flex;
  justify-content: space-between;
}
.model1 .list .item {
  width: calc(50% - 15px);
  margin-right: 30px;
  cursor: pointer;
}
.model1 .list .item .img {
  width: 100%;
  overflow: hidden;
  border-radius: 10px;
}
.model1 .list .item .img img {
  display: block;
  width: 100%;
  transition: 0.5s;
}
.model1 .list .item .name {
  width: 100%;
  font-size: 18px;
  color: #333;
  margin: 10px 0;
  line-height: 30px;
  transition: 0.5s;
}
.model1 .list .item .desc {
  width: 100%;
  font-size: 14px;
  color: #666;
  line-height: 24px;
}
.model1 .list .item:hover .name {
  color: #CC2229;
}
.model1 .list .item:hover .img img {
  transform: scale(1.2);
}
.model1 .list .item:last-child {
  margin-right: 0;
}
@media (max-width: 1200px) {
  .model1 {
    padding: 40px 30px;
  }
  .model1 .row {
    width: 100%;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 0;
  }
  .model1 .row .number {
    width: 49%;
    margin-bottom: 30px;
    margin-right: 0;
  }
  .model1 .row .text {
    width: 100%;
  }
}
@media (max-width: 640px) {
  .model1 {
    padding: 20px 15px;
  }
  .model1 .title {
    font-size: 24px;
  }
  .model1 .desc {
    width: 100%;
  }
  .model1 .row .number {
    height: auto;
  }
  .model1 .row .number .num {
    font-size: 32px;
    padding: 0 10px;
  }
  .model1 .row .number .sub {
    position: initial;
  }
  .model1 .row .number .sup {
    position: initial;
  }
}
@media (max-width: 414px) {
  .model1 .row .number {
    width: 100%;
    margin-bottom: 10px;
  }
  .model1 .list {
    flex-wrap: wrap;
  }
  .model1 .list .item {
    width: 100%;
  }
}