/* s4 */
.s4 {
    background: url(../images/s4-bg.png) no-repeat;
    background-size: 100% 5.45rem;
    padding-top: 1rem;
}

.s4-c {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.s4-c a {
    padding: .03rem;
    display: block;
    position: relative;
}

.s4-c .pic {
    padding-top: 0;
}

.s4-l {
    width: 25%;
    padding-top: 1rem;
    position: relative;
    z-index: 2;
}

.s4-m {
    width: 25%;
}

.s4-r {
    width: 50%;
}

.s4-l .pic {
    height: 4.61rem;
}

.s4-more {
    width: 2.09rem;
    height: 2.02rem;
    position: relative;
    background: url(../images/s4-mbg.jpg) no-repeat;
    background-size: cover;
    margin-left: auto;
    margin-right: 0;
}

.s4-more p {
    width: .87rem;
    line-height: .87rem;
    text-align: center;
    display: block;
    background: url(../images/s2-more.png) no-repeat;
    background-size: 100% 100%;

    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #FFFFFF;
    font-size: .16rem;
}

.s4-more p:hover {
    opacity: 0.7;
}

.s4-m .pic {
    height: 2.3rem;
}

.s4-r {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.s4-r a:nth-child(1) {
    width: 100%;
}

.s4-r a:nth-child(2) {
    width: 58%;
}

.s4-r a:nth-child(3) {
    width: 42%;
}

.s4-r a:nth-child(1) .pic {
    height: 3.7rem;
}

.s4-r a:nth-child(2) .pic {
    height: 2.96rem;
}

.s4-r a:nth-child(3) .pic {
    height: 2.15rem;
}

.s4-vd::after {
    content: '';
    width: .58rem;
    height: .58rem;
    background: url(../images/s4-paly.png) no-repeat;
    background-size: 100% 100%;

    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.s4-vd::before {
    content: '';
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.s4-tit {
    border-radius: .5rem 0rem 0rem 0rem;
    background: #FFFFFF;
    position: absolute;
    width: 5rem;
    height: 4rem;
    top: 0;
    right: 102%;
    padding-top: .45rem;
}




@media screen and (max-width: 1931px) {
    .s4-tit{
        width: 6.2rem;
    }
}


@media screen and (max-width: 1400px) {}

@media screen and (max-width: 1024px) {
    .s4-l{
        width: 52%;
    }
    .s4-l .pic {
        padding-top: 112%;
        height: auto;
    }
    .s4-m {
        width: 48%;
    }
    .s4-m .pic {
        height: auto;
        padding-top: 67%;
    }
    .s4-r {
        width: 100%;
    }
    .s4-c {
        align-items: flex-end;
    }

    .s4-r a:nth-child(1) .pic {
        padding-top: 46%;
        height: auto;
    }
    .s4-r a:nth-child(2) .pic,
    .s4-r a:nth-child(3) .pic{
        padding-top: 64%;
    }
    .s4 {
        padding-top: .5rem;
    }
}

@media screen and (max-width: 768px) {
    .s4-tit {
        width: 4rem;
    }
    .s4 {
        padding-top: .3rem;
    }
}

@media screen and (max-width: 480px) { 
    .s4-tit {
        width: 2.6rem;
        padding-top: 1rem;
    }
}