.sec1{

    padding:5.6% 0;

}

.sec1 .inner{

    width:980px;

    line-height: 1.5;

    font-size:16px;

}

.sec1 .title{

    margin-bottom:1.875em;

}

.sec1 .title h1{

    font-size: 2.25em;

    margin-bottom:0.083em;

}

.sec1 .title p{

    font-size: 1.125em;

    color: #666666;

}

.sec1 .content{

    font-size: 0.875em;

    color: #666666;

    margin-bottom: 1.875em;

}

.sec1 .content *{

    font-size: inherit;

    color: inherit;

}

.sec1 .content img{

    max-width:100%;

}



.sec1 .relative-box ul{

    display:flex;

    align-items:flex-start;

    justify-content:space-between;

    flex-direction:row;

    flex-wrap:wrap;

    padding:1.875em 1.875em 0;

}

.sec1 .relative-box ul::after{

    content:"";

    display:block;

    width:31%;

}

.sec1 .relative-box li{

    width:31%;

    margin-bottom:1.875em;

}

.sec1 .relative-box img{

    margin-bottom:2.5em;

}

.sec1 .relative-box h5{    

    font-size: 1.25em;

    line-height: 1.2;

    text-overflow: ellipsis;

    overflow: hidden;

    -webkit-line-clamp: 1;

    display: -webkit-box;

    -webkit-box-orient: vertical;

}

.sec1 .relative-box p{

    font-size: 0.875em;

    color: #4F4F4F;

    text-overflow: ellipsis;

    overflow: hidden;

    -webkit-line-clamp: 1;

    display: -webkit-box;

    -webkit-box-orient: vertical;
}

@media only screen and (min-width:1025px){

}

@media only screen and (max-width:1024px){

    .sec1{

        padding:8% 0 0;

    }

    .sec1 .inner{

        width:90%;

        font-size:inherit;

    }

    .sec1 .title{

        margin-bottom:2.5em;

    }

    .sec1 .title h1{

        font-size: 2.5em;

        margin-bottom:0.75em;

    }

    .sec1 .title p{

        font-size: 1.75em;

    }

    .sec1 .content{

        font-size: 1.75em;

        margin-bottom: 0;

    }

    .sec1 .relative-box{

        border-top: 1px solid #aaa;

        padding-top: 4em;

        margin-top: 3.75em;

    }

    .sec1 .relative-box ul{

        padding:0;

    }

    .sec1 .relative-box ul::after{

        width:47%;

    }

    .sec1 .relative-box li{

        width:47%;

        margin-bottom:4em;

    }

    .sec1 .relative-box img{

        margin-bottom:1.5em;

    }

    .sec1 .relative-box h5{    

        font-size: 2em;

    }

    .sec1 .relative-box p{

        font-size: 1.75em;

    }

}