.w1400 {
  width: 1400px;
  margin: 0 auto;
}

.banner {
  animation: banner 3s ease;
  margin: 0 auto;
}

.padd-box {
  padding: 95px 0;
}

.header .header-box .nav-item:nth-child(8) {
  background-color: #1472D6;
}

.header .header-box .nav-item:nth-child(8) a {
  color: #ffffff;
}

.yx {
  display: flex;
  flex-wrap: wrap;
  margin: 120px 0;
  justify-content: space-between;
}

.yx .yx-item {
  width: 48%;
  cursor: pointer;
  transition: all 0.5s ease;
  margin-bottom: 50px;
}

.yx .yx-item:hover {
  transform: translateY(-10px);
}