.build-prop-banner{
    width: 100%;
    height: 458px;
    background: url('../images/360-banner-bg.jpg') center center;
}
.prod-intr-box{
    background: #ff464c;
}
.prod-intr-cont{
    padding-left: 340px;
    padding-bottom: 60px;
    color: #fff;
}
.prod-intr-title{
    display: inline-block;
    font-size: 20px;
    background: #495973;
    padding: 9px 30px;
    margin-bottom: 25px;
}
.prod-intr-tt{
    font-size: 30px;
    margin-bottom: 15px;
}
.prod-intr-tts{
    margin-right: 50px;
}
.prod-intr-intr{
    font-size: 26px;
    margin-bottom: 22px;
}
.prod-intr-tip{
    font-size: 24px;
    font-weight: bold;
}
.prod-intr-block{
    position: relative;
}
.prod-intr-mark{
    width: 260px;
    height: 330px;
    background: url('../images/goods-intor.jpg');
    position: absolute;
    top: -90px;
    left: 30px;
}
.build-prop-pd{
    padding-top: 45px;
}
.build-prop-ttbox{
    text-align: center;
    margin-bottom: 40px;
}
.build-prop-title{
    font-size: 30px;
    font-weight: bold;
    color: #3b4c66;
    text-align: center;
    display: inline-block;
    padding: 5px 10px;
    border-bottom: 3px solid #ff464c;
}
.ad-show-ul{
    text-align: center;
}
.ad-show-ul >li{
    display: inline-block;
    width: 160px;
    border: 1px solid #495973;
    line-height: 56px;
    text-align: center;
    font-size: 14px;
    color: #6a788d;
    margin: 0 15px;
    cursor: pointer;
}
.ad-show-ul >.active{
    border-color: #ff464c;
    background: #ff464c;
    color: #fff;
}
.ad-show-cont >li{
    width: 100%;
    display: none;
    text-align: center;
}
.ad-show-cont >li:first-child{
    display: block;
}
.advantage-bg{
    background: #f6f6f6;
}
.advantage-cont{
    width: 100%;
    height: 444px;
    background: url('../images/advantage-cont.png');
}
.buy-cont{
    width: 100%;
    height: 96px;
    background: url('../images/buy-cont.png');
}
.build-prop-btn{
    display: block;
    width: 260px;
    line-height: 50px;
    border-radius: 5px;
    background: #ff5c61;
    font-size: 20px;
    color: #fff;
    text-align: center;
    margin: 60px auto 0;
    cursor: pointer;
}
.build-prop-btn:hover{
    background: #ff464c;
    color:#fff;
}
.ad-show-cont{
    margin:50px 0;
}
.build-buy-pd{
    padding-bottom: 40px;
}