.s1-r ul li:first-child{
    margin-right: 0 !important;
}
.s1-r ul li{
    float: none;
    width: auto;
    margin-bottom: 15px;
    
}
.s1-r ul li:last-child{
    margin-bottom: 0;
}
.s1-r ul li a{
    display: block;
}
.s1-r ul li:hover h2{
    color: #a20004;

}
.s1-r ul li:hover b{
    background-color: #a20004;
    color: #fff;
    border-bottom: 1px dashed rgba(255, 255, 255, .4);
}
.s1-r ul li:hover span{
    background-color: #a20004;
    color: #fff;
}
.list-date {
    float: left;
    text-align: center;
    padding: 0 10px;
    margin-right: 25px;
}
.list-date b{
    padding: 0px 0;
    display: block;
    font-size: 25px;
    border-bottom: 1px dashed transparent;
    color: #a20004;
}
.list-date span{
    padding: 6px 10px;
    font-size: 16px;
    color: #a20004;
    display: block;
}
.list-txt{
    overflow: hidden;
    padding-bottom: 5px;
    border-bottom: 1px dashed #999;
}

.list-txt h2{
    font-size: 20px;
    color: #333;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: 15px;
}
.list-txt p{
    font-size: 16px;
    color: #999;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 20px;
    height: 20px;
}

.s1-lpic li a .pic{
    height: 470px;
}

.s1-l{
    width: 664px;
}


.nav>ul>li:nth-child(-n+3){
    border-left: 1px solid rgba(255, 255, 255, .4);
}

.nav>ul>li:nth-child(1) {
    border: none;
}

@media screen and (max-width:1024px){
    .s1-l{
        width: auto;
    }
    .s1-lpic li a .pic{
        height: auto;
    }
    .list-txt h2{
        font-size: 18px;
    }
    .list-date b{
        font-size: 24px;
    }
    .list-date span{
        font-size: 14px;
    }
    .list-txt p{
        font-size: 14px;
    }
    .s1-r ul li{
        margin-bottom: 30px;
    }
}
@media screen and (max-width:768px){
    .list-txt h2{
        font-size: 16px;
        margin-bottom: 5px;
    }
    .list-date b{
        font-size: 18px;
    }
    .list-date span{
        font-size: 12px;
    }
    .list-date{
        padding: 0 5px;
    }
}