.banner{
    width: 100%;
    display: block;
    height: 400px;
    position: relative;
    overflow: hidden;
}
.banner-box{
    width: 100%;
    height: 120%;
    display: block;
    position: absolute;
    top: 0;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: top;
    background-image: url('../img/index-bg.jpg');
    transition: all .4s linear;
}
.banner-mask{
    width: 100%;
    height: 100%;
    display: block;
    position: absolute;
    top: 0;
    background-color: rgba(0,0,0,0.4);
}

.banner-title{
    padding-top: 200px;
    color: #FFF;
    font-size: 50px;
    text-align: center;
    letter-spacing: 2px;
    position: relative;
    z-index: 1;
}
.product-box{
    width: 1300px;
    max-width: 100%;
    display: block;
    margin: 0 auto;
}
.product-left{
    width: 300px;
    display: block;
    float: left;
}
.product-left li{
    font-size: 18px; 
    line-height: 70px;
    color: #FFF;
    text-align: center;
    border-bottom: 2px solid #FFF;
    background-color: rgba(0,0,0,1);
    letter-spacing: 3px;

}
.product-left li a{
    width: 100%;
    height: 100%;
    display: block;
}
.product-right{
    width: calc(100% - 300px);
    display: block;
    float: right;
    padding: 30px;
    box-sizing: border-box;
}

.product-list-bottom{
    width: 100%;
    height: 150px;
    background-color: #000;
    border-bottom: 2px solid #FFF;
}

.product-right li{
    width: 100%;
    height: 420px;
    padding: 20px;
    box-sizing: border-box;
    font-size: 0;
    background-color: #000;
    margin-bottom: 30px;
}

.product-img{
    width: 100%;
    height: 100%;
    display: block;

    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    vertical-align: middle;
    position: relative;
    transition: all .4s linear;
    overflow: hidden;
}
.product-info{
    width: 40%;
    height: 100%;
    display: table;
    color: #FFF;
}

.product-info-box{
    display: table-cell;
    vertical-align: middle;
}

.product-info-title{
    font-size: 20px;
    text-align: center;
    letter-spacing: 3px;
    margin-bottom: 20px;
}

.product-info-line{
    width: 50px;
    max-width: 100%;
    height: 5px;
    background-color: #FFF;
    margin: 0 auto;
    margin-bottom: 20px;
    display: block;
}


.product-info-more{
    width: 80px;
    max-width: 100%;
    display: block;
    margin: 0 auto;
    text-align: center;
    font-size: 18px;
    padding: 0 5px;
    background-color: #FFF;
    color: #000;
    letter-spacing: 3px
}
.product-right li:nth-child(even) .product-img-box{
    float: right;
}

.rwd-product-list{
    display: none;
}

.product-img-box{
    width: 60%;
    height: 100%;
    display: block;
    transition: all .4s linear;
    overflow: hidden;
    float: left;
}

/*內頁*/
.product-page{
    width: 100%;
    height: 420px;
    padding: 20px;
    box-sizing: border-box;
    background-color: #000;
}
.product-page-img{
    width: 60%;
    height: 100%;
    display: block;
    float: left;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    vertical-align: middle;
}

.product-page-info{
    width: 40%;
    display: block;
    float: right;
}

.product-page-title{
    font-size: 20px;
    text-align: center;
    letter-spacing: 3px;
    max-height: 100px;
    color: #FFF;
}

.product-page-info .product-info-line{
    margin-top: 150px;
    margin-bottom: 50px;
}

.product-info-download{
    width: 100px;
    max-width: 100%;
    margin: 0 auto;
    display: block;
}

.product-page-separation{
    width: 100%;
    margin: 20px 0;
    height: 3px;
    background-color: #000;
}
.product-page-p{
    width: 100%;
}

.product-page-back{
    font-size: 20px;
    letter-spacing: 3px;
    background-color: #000;
    color: #FFF;
    text-align: center;
    display: block;
    width: 150px;
    line-height: 60px;
    margin: 0 auto;
    margin-top: 30px;

}
.product-page-back:before{
    content: '';
    width: 25px;
    height: 25px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-image: url('../img/back.png');
    display: inline-block;
    vertical-align: sub;
    margin-right: 5px;
    transition: all .4s linear;
}

.active{
    background-color: #898989 !important;

}