.product_banner {
  height: 420px;
  background-image: url('../images/product/yxf_banner.png');
  background-repeat: no-repeat;
  background-size: 100% 100%;
  color: #fff;
}
.product_banner .center {
  padding: 128px 0;
  padding-left: 412px;
  padding-right: 200px;
}
.product_banner .center h1 {
  font-size: 36px;
  margin-bottom: 15px;
}
.product_banner .center p {
  font-size: 16px;
  line-height: 24px;
}
.product_banner .center .btn {
  width: 80px;
  height: 40px;
  text-align: center;
  line-height: 40px;
  margin-top: 38px;
  background: #EB5635;
  border-radius: 2px;
}
.product_banner .center .btn a {
  display: block;
  width: 100%;
  height: 100%;
  font-size: 12px;
  color: #fff;
}
.staff {
  width: 64px;
  height: 290px;
  background: #EB5635;
  position: fixed;
  bottom: 418px;
  right: 0;
  border-radius: 4px 4px 0 4px;
}
.staff .float_links {
  width: 64px;
  height: 100%;
  padding: 0 16px;
}
.staff .float_links li {
  border-bottom: solid 1px #fff;
  height: 25%;
  position: relative;
}
.staff .float_links li .code {
  position: absolute;
  top: 10px;
  left: -128px;
  display: none;
}
.staff .float_links li .code .num,
.staff .float_links li .code .phone {
  padding: 10px;
  border-radius: 4px;
  background: #EB5635;
  color: #fff;
}
.staff .float_links li .code_img {
  margin-top: 24px;
}
.staff .float_links li:hover .code {
  display: block;
}
.staff .float_links li:nth-of-type(2) .code {
  left: -210px;
}
.staff .float_links li:nth-of-type(3) .code,
.staff .float_links li:nth-of-type(4) .code {
  left: -300px;
}