.main {
    display: flex;
    min-height:100vh;
}
.category {
    width:25%;
    height:100vh;
    overflow-y: auto;
    border-right: 1px solid rgb(230, 230, 230);
    box-sizing: border-box;
    position: sticky;
    top:110px;
}
.category::-webkit-scrollbar {
    display: none;
}
.category .item {
    font-size: 14px;
    width:90%;
    margin: 0 auto;
    text-align: center;
    padding-bottom: 20px;
    margin-top: 20px;
    border-bottom:1px solid rgb(220, 220, 220);
}

.category .item.act {
    color:#1367ad;
}



.proList {
    width:75%;
    margin: 0 auto;
    margin-top: 20px;
    margin-bottom: 20px;
}

.proList .pro {
    width:90%;
    margin-left: 5%;
    margin-bottom: 20px;
    padding:1px;
}

.proList .pro img{
    max-width:100%;
    height:auto;
}
.proList .pro .name{
    display: block;
    height:30px;
    line-height: 30px;
    font-size: 14px;
    width:100%;
    padding:0 5%;
    box-sizing: border-box;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border: 1px solid #f3f3f3;
}






.pro-pic {
    position: relative;
    width: 95%;
    margin: 1.4rem auto 1rem;
    overflow: hidden;
}
.pro-pic img {
    width:100%;
}
.pro-pic .prev,
.pro-pic .next {
    width: 1rem;
    height: 1rem;
    border: 1px solid #bfc4c3;
    transform: rotate(45deg);
    box-sizing: border-box;
    position: absolute;
    top: 50%;
    margin-top: -.5rem;
    z-index: 22;
}

.pro-pic .prev {
    left: 2%;
    border-style: none none solid solid;
}

.pro-pic .next {
    right: 2%;
    border-style: solid solid none none;
}

.pro_tit {
    height: 4rem;
    width: 100%;
    font-size: 1.6rem;
    text-align: center;
    color: #333;
    line-height: 4rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid #ddd;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    box-sizing: border-box;
}
.pro_desc {
    width: 95%;
    margin: 0 auto 0;
    font-size: 1.2rem;
    line-height: 2.4rem;
}
.pro_content {
    width: 92%;
    margin: 1rem auto;
    background: #fff;
    box-sizing: border-box;
    padding: 1.2rem 2%;
    border: 1px solid #e6e6e6;
}