.cooperate h2,
.cooperate h3,
.cooperate h4 {
  color: #000;
}
.cooperate > h2 {
  padding: 0;
  font-size: 40px;
  font-weight: 600;
}
.cooperate > h2:first-child {
  color: #ebcc40;
}
.cooperate > h1 {
  margin-bottom: 20px;
  font-size: 28px;
}
.cooperate .center {
  text-align: center;
}
.cooperate .plate {
  padding: 20px;
  border-top: 1px solid #eee;
}
.cooperate .plate > h3 {
  font-size: 24px;
  font-weight: 500;
  text-align: center;
}
.cooperate .plate .contact {
  font-size: 16px;
  font-weight: 500;
}
.cooperate .plate .contact span {
  margin-right: 20px;
  color: #007bff;
}
.cooperate ul {
  margin: 0;
  padding: 0;
  text-align: center;
  overflow: hidden;
}
.cooperate ul::after {
  content: '';
  clear: both;
}
.cooperate ul li {
  list-style: none;
  border: 1px solid #ddd;
  margin-bottom: 20px;
}
.cooperate ul li:not(:nth-child(3n)) {
  margin-right: 2%;
}
.cooperate ul li img {
  width: 90%;
  display: block;
  margin: 0 5% 20px;
  cursor: pointer;
}
.cooperate ul li span {
  padding: 6px 10px;
  border-radius: 20px;
  margin-bottom: 20px;
  display: inline-block;
  border: 1px solid #ddd;
  background: rgba(235, 204, 64, 0.4);
  color: #007bff;
}
.cooperate ul li p:nth-child(4) {
  padding: 0 20px;
  margin-bottom: 20px;
}
.cooperate ul li p:last-child {
  padding: 10px 20px;
  margin-bottom: 0;
  background: #e0e0e0;
}
.cooperate .big-picture {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
}
.cooperate .big-picture .mask {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  background: rgba(0, 0, 0, 0.5);
}
.cooperate .big-picture .content {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 11;
  transform: translate(-50%, -50%);
  display: block;
  width: 80%;
}
.cooperate .big-picture .content img {
  width: 100%;
}
.cooperate .big-picture .content .close {
  position: absolute;
  color: #fff;
  font-weight: 200;
  display: block;
  border: 2px solid #fff;
  text-align: center;
  border-radius: 20px;
  opacity: 1;
}
@media (min-width: 970px) {
  .cooperate {
    padding: 30px 0;
  }
  .cooperate ul li {
    width: 32%;
    float: left;
  }
  .cooperate ul li:not(:nth-child(3n)) {
    margin-right: 2%;
  }
  .cooperate ul li h4 {
    padding: 20px;
  }
  .cooperate ul li img {
    width: 90%;
    margin: 0 5% 20px;
  }
  .cooperate ul li p:nth-child(4) {
    height: 60px;
  }
  .cooperate .close {
    top: -40px;
    right: -50px;
    font-size: 40px;
    width: 40px;
    height: 40px;
    line-height: 30px;
  }
}
@media (max-width: 768px) {
  .cooperate > h2,
  .cooperate > h3 {
    padding: 0 20px;
  }
  .cooperate ul li {
    width: 100%;
  }
  .cooperate ul li h4 {
    padding: 10px;
  }
  .cooperate ul li img {
    width: 90%;
    margin: 0 5% 20px;
  }
  .cooperate .close {
    top: -30px;
    right: -30px;
    font-size: 30px;
    width: 30px;
    height: 30px;
    line-height: 22px;
  }
}