.server{
    width: 100%;
    overflow: hidden;
}
.server-title{
    width: 100%;
    text-align: center;
    margin-top: 60px;
    padding-bottom: 30px;
}
.server-title h4{
    font-size: 36px;
    color: #333333;
}

.server-matter{
    width: 1200px;
    padding: 50px 0 70px 0;
    border-top: 1px solid #f3f3f3;
    margin: 0 auto;
    overflow: hidden;
}

.matter-1 li{
    width: 50%;
    float: left;
    height: 300px;
    background-color: #f9f9f9;
    position: relative;
}
.matter-1 li:nth-child(2){
    overflow: hidden;
}
.mat-bg{
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 1s ease;
}
.mat-bg:hover{
    transform: scale(1.1);
}
.matter-1 li h3{
    font-size: 30px;
    color: #282727;
    margin-top: 50px;
    margin-left: 10%;
}
.matter-1 li p{
    font-size: 16px;
    color: #666666;
    margin-top: 20px;
    width: 80%;
    margin-left: 10%;
    line-height: 26px;
}
.matter-1 li:hover{
    background-color: #177ffe;  
}
.matter-1 li:hover .mat-t{
    color: #fff; 
}
.matter-1 li:hover .mat-w{
    color: #fff;   
}
.arrowR{
    width: 19px;
    height: 33px;
    background-image: url('../images/yyfw/arrowR.png');
    position: absolute;
    right: -19px;
    z-index: 9;
    top: 50%;
    transform: translate(0,-50%);
}
.matter-1 li:hover .arrowR{
    background-image: url('../images/yyfw/arrowHR.png');
}



.matter-2 li{
    width: 50%;
    float: left;
    height: 300px;
    background-color: #f9f9f9;
    position: relative;
}
.matter-2 li:nth-child(1){
    overflow: hidden;
}
.mat-bg2{
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 1s ease;
}
.mat-bg2:hover{
    transform: scale(1.1);
}
.matter-2 li h3{
    font-size: 30px;
    color: #282727;
    margin-top: 50px;
    text-align: right;
    margin-right: 10%;
}
.matter-2 li p{
    font-size: 16px;
    color: #666666;
    margin-top: 20px;
    width: 80%;
    margin-left: 10%;
    line-height: 26px;
}
.matter-2 li:hover{
    background-color: #177ffe;  
}
.matter-2 li:hover .mat-t2{
    color: #fff; 
}
.matter-2 li:hover .mat-w2{
    color: #fff;   
}
.arrowL{
    width: 19px;
    height: 33px;
    background-image: url('../images/yyfw/arrowL.png');
    position: absolute;
    left: -19px;
    z-index: 9;
    top: 50%;
    transform: translate(0,-50%);
}
.matter-2 li:hover .arrowL{
    background-image: url('../images/yyfw/arrowHL.png');
}