body {
  padding: 0;
  margin: 0;
  font-size: 16px;
  background: url(szfbg.png) no-repeat center top;
}
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
dl,
dd,
ul,
ol,
pre,
form,
input,
textarea,
th,
td,
select {
  margin: 0;
  padding: 0;
  font-weight: normal;
  text-indent: 0;
}
a,
button,
textarea,
select {
  background: none;
  -webkit-tap-highlight-color: rgba(255, 0, 0, 0);
  outline: none;
  -webkit-appearance: none;
}
a {
  text-decoration: none;
  color: inherit;
}
li {
  list-style: none;
}
.all {
  max-width: 1920px;
  margin: 0 auto;
  background: #F0F2F5;
  padding-bottom: 70px;
}
.all .head {
  width: 100%;
  height: 738px;
  background: url(zchb-head-bg.png) no-repeat center;
  background-size: auto 100%;
  position: relative;
}
.all .head .head-link {
  width: 1314px;
  margin: 0 auto;
  overflow: hidden;
}
.all .head .head-link .left-link {
  float: left;
}
.all .head .head-link .left-link a {
  font-size: 14px;
  color: #F9F9F9;
  margin-right: 10px;
  line-height: 55px;
}
.all .head .head-link .right-link {
  float: right;
}
.all .head .head-link .right-link a {
  font-size: 14px;
  color: #F9F9F9;
  margin-left: 10px;
  line-height: 55px;
}
.all .head .head-logo {
  width: 1314px;
  margin: 36px auto 0;
}
.all .head .head-title {
  font-size: 64px;
  text-align: center;
  font-weight: bold;
  margin-top: 192px;
  color: #fff;
}
.all .head .top_serach {
  margin: 40px auto 0;
  width: 812px;
  height: 62px;
  background: #FFFFFF;
  border-radius: 2px;
  overflow: hidden;
}
.all .head .top_serach .search_txt {
  float: left;
  width: 670px;
  font-size: 16px;
  border: 0;
  line-height: 62px;
  padding: 0 20px;
}
.all .head .top_serach .search_sub {
  float: left;
  width: 102px;
  text-align: center;
}
.all .head .top_serach .search_sub img {
  display: block;
  margin: 0 auto;
  padding: 17px 0;
}
.all .head .explain {
  width: 1314px;
  height: 178px;
  background: #FFFFFF;
  box-shadow: 0px 2px 15px 0px #EEF0F2;
  position: absolute;
  bottom: -89px;
  left: 50%;
  transform: translateX(-50%);
  overflow: hidden;
}
.all .head .explain .left-explain {
  float: left;
  margin: 21px 29px 21px 25px;
  width: 38px;
  height: 115px;
  border: 3px solid #3B87FF;
  font-size: 38px;
  font-weight: bold;
  color: #3B87FF;
  padding: 15px 15px 0;
  line-height: 51px;
}
.all .head .explain .right-explain {
  float: left;
  width: 1152px;
  margin: 25px 0 36px;
  height: 117px;
  font-size: 18px;
  color: #313131;
  line-height: 42px;
}
.all .info-item {
  width: 1314px;
  margin: 174px auto 0;
  overflow: hidden;
}
.all .info-item .item {
  float: left;
  width: 631px;
  height: 205px;
  background: linear-gradient(270deg, rgba(131, 174, 255, 0.1) 0%, rgba(49, 134, 255, 0.1) 100%);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 52px;
}
.all .info-item .item:nth-of-type(2n) {
  float: right;
}
.all .info-item .item .info-name {
  float: left;
  margin-left: 46px;
  line-height: 205px;
  font-size: 38px;
  font-weight: bold;
  color: #4C535E;
}
.all .info-item .item img {
  float: right;
  margin: 14px 30px 13px 0;
}
.all .info-item .item:hover {
  background: linear-gradient(270deg, #83aeff 0%, #3186ff 100%);
}
.all .info-item .item:hover .info-name {
  color: #fff;
}