.title {
    font-size: 36px;
}
.con {
    padding-top: 120px;
}

.one {
    margin-top: 35px;
    overflow: hidden;
    height: 280px;
    box-sizing: border-box;
    padding: 50px 0 20px;
    background: #f2f2f2;
}

.swiper-container {
    width: 80%;
    margin: 0 10%;
}

.swiper-slide {
    height: 220px;
    width: 200px;
    position: relative;
}

.sactive .swiper-bg {
    position: absolute;
    top: 0;
    left: 5px;
    height: calc(100% - 40px);
    width: calc(100% - 10px);
    background: rgba(55,55,55,0.5);
}

.swiper-slide img {
    height: 180px;
    width: 240px;
    margin: 0 5px;
}

.swiper-slide p {
    margin-top: 10px;
}

.two {
    position: relative;
    height: 45px;
    margin: 30px 0;
}

.two-r,.two-l{
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: #e3e3e3;
    position: absolute;
}

.two-l:hover,.two-r:hover {
    background: #4e4e4e;
    cursor: pointer;
}

.two-l {
    right: 50%;
    margin-right: 30px;
}

.two-r {
    left: 50%;
    margin-left: 30px;
}

.two-l img {
    position: absolute;
    left: 12px;
    top: 15px;
}

.two-r img {
    position: absolute;
    left: 12px;
    top: 15px;
}

.three{
    margin-bottom: 45px;
}

.three-title {
    font-size: 34px;
    text-align: center;
    margin: 140px 0 30px;
}

.three-con {
    position: relative;
    text-align: center;
}

.three-con img {
    width: 340px;
    height: 340px;
}

.three-con:hover .three-bg{
    display: block;
}

.three-bg {
    display: none;
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(55,55,55,0.6);
    top: 0;
    color: #fff;
    text-align: center;
    padding: 0 40px;
    box-sizing: border-box;
}

.three-bg p:first-child{
    font-size: 24px;
    margin-top: 130px;
    margin-bottom: 20px;
}