.main{
    padding-top: 70px;
}
.mainBox{
    background: #F5F5F5;
    padding: 70px 116px 102px;
    box-sizing:border-box;
}
.mainBox .mainTitle{
	font-family: SourceHanSansCN-Regular;
    font-size: 32px;
    color: #4A4A4A;
    margin-bottom: 12px;
	line-height: 1;
}
.mainBox .subTitle{
	font-family: SourceHanSansCN-Medium;
	color: #333333;
	font-size:20px;
	margin-bottom:40px;
}
.liItemBox .layui-form-item{
    width: 307px;
    display: inline-block;
    margin-right: 19px;
    position: relative;
}
.liItemBox .layui-form-item:nth-child(3n){
    margin-right: 0!important;
}
.liItemBox .layui-form-item .layui-form-label{ 
    font-family: SourceHanSansCN-Medium;
    width: auto;
    position: absolute;
    left: 0;
    z-index: 2;
    color: #999999;
    font-size: 16px;
    line-height: 32px;
}
.liItemBox .layui-form-item .layui-form-label img{ 
    position: relative;
    bottom:10px;
    right: 2px;
}
.liItemBox .layui-form-item  .layui-input-block{
margin: 0!important;
}
.liItemBox .layui-form-item input{
    width: 100%;
    height: 50px;
    padding-left: 78px
}
.layui-textarea{
    min-height: 231px;
    padding:16px 20px;
}
.ItemBottom{
    position: relative;
}
.ItemBottom .layui-input-block{
    margin: 0;
}
.ItemBottom .btnSub{
    position: absolute;
    right: 0;
    bottom: 0;
}
.ItemBottom .layui-btn{
    font-family: SourceHanSansCN-Medium;
    font-size: 16px;
    width: 156px;
    height: 45px;
    background: #1C3174;
}


/* input  placeholder 样式/兼容 */
.layui-input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder {
    color: #C0C0C0;
    font-size: 16px;
    font-family:SourceHanSansCN-Medium;
}

.layui-input:-moz-placeholder,
textarea:-moz-placeholder {
    color: #C0C0C0;
    font-size: 16px;
    font-family:SourceHanSansCN-Medium;
}

.layui-input::-moz-placeholder,
textarea::-moz-placeholder {
    color: #C0C0C0;
    font-size: 16px;
    font-family:SourceHanSansCN-Medium;
}

.layui-input:-ms-input-placeholder,
textarea:-ms-input-placeholder {
    color: #C0C0C0;
    font-size: 16px;
    font-family:SourceHanSansCN-Medium;
}
/* input  placeholder 样式/兼容 */
.liItemBox .layui-form-item input::-webkit-input-placeholder{
	font-weight: 300;
}