*{margin: 0;padding: 0;font-family:微软雅黑, Arial;}
p{margin: 0;}
a{text-decoration: none;color: #fff;}
img{border: 0;}
ul,li,i{margin: 0;padding: 0;font-style: normal;list-style: none;}
.fl{float: left;}
.fr{float: right;}
input{border: 0;outline: 0;}
li{float: left;}
.clearfix:after{display: block;content: "";clear: both;}
/* 清浮动*/
.clearfix:after,.clearfix:before{content:"";display:table}
.clearfix:after{clear:both;overflow:hidden}
.clearfix{zoom:1}
li{ float:left;}
/* 清浮动*/
.clearfix:after,.clearfix:before{content:"";display:table}
.clearfix:after{clear:both;overflow:hidden}
.clearfix{zoom:1}
.container{width: 960px;margin: 0 auto;}
.ffffef2 {
    color: #666;
    display: flex;
    flex-flow: wrap;
    justify-content: space-between;
    padding: 10px;
}

.ffffef2 input[type="radio"] {
    display: none;
}

.ffffef2 input[type="radio"] + label {
    background-color: #b30000;
    color: #fff;
    cursor: pointer;
    display: inline-block;
    font-size: 18px;
    font-weight: 500;
    margin: 0;
    padding: 15px 0;
    text-align: center;
    width: 24%;
}
.ffffef2 input[type="radio"]:checked + label {
    background-color: #fff;
    color:#000;
}

.ffffef2-con {
    display: none;
    padding-top: 10px;
    width: 100%;
}

.ffffef2-con img {
    display: block;
    height: auto;
    width: 100%;
}

#ffffef2-1:checked ~ .ffffef2-con1 {
    display: block;
}

#ffffef2-2:checked ~ .ffffef2-con2 {
    display: block;
}

#ffffef2-3:checked ~ .ffffef2-con3 {
    display: block;
}
#ffffef2-4:checked ~ .ffffef2-con4 {
    display: block;
}
.ffffef2-con p{
    font-family: Poppins-Regular;
    font-size: 20px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 30px;
    letter-spacing: 0px;
    color: #484848;
}
.ffffef2-con2 p{margin-bottom: 15px;}
.ffffef2-con4 span{
    display: block;
    font-weight: 600;
    font-size: 20px;
    font-stretch: normal;
    line-height: 30px;
    letter-spacing: 0px;
    color: #323232;
}
.ffffef2-con3 p{margin-bottom: 15px;}
.ffffef2-con4 div{
    margin-bottom: 15px;
}
.title{
    background: #b30000;
    color:#fff;
    font-family: Poppins-Regular;
    font-size: 22px;
    height: 37px;
    width: 100%;
    margin-bottom: 20px;
    line-height: 37px;
    text-align: center;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
}
.o_content{display: flex;flex-wrap: wrap;}
.o_content li{width: 24%;float: left;margin: 0 12px 10px 0;}
.o_content li img{width: 100%;border: solid 1px #3f3f3f;box-sizing: border-box;}
.o_content li:nth-child(4n){margin-right: 0;}
.o_content li span{
    font-family: ArialMT;
    font-size: 9px;display: block;width: 100%;
    font-weight: normal;padding: 5px;box-sizing: border-box;
    font-stretch: normal;
    line-height: 14px;
    letter-spacing: 0px;
    color: #000;
    height: 50px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
}
.bottom-wrap img{width: 100%;}
.o_content li{margin: 0 11px 10px 0;}
.why-main{display: flex;align-items: center;width: 90%;margin: 0 auto;}
/*add picture*/
.addPicture{ text-align: center; width: 100%;}
.addPicture img{ width: 100%;}