.banner{
    width: 100%;
    min-height: 10rem;
}
.banner-infobox{
    width: 57rem;
    margin: 0 auto;
    height: 100%;
    padding: 3rem 0 0 0;
    box-sizing: border-box;
}
.banner-info-title{
    color: #fff;
    font-size: 1.8rem;
    line-height: 2rem;
}
.banner-info-intro{
    color: #fff;
    font-size: .6rem;
    line-height: .75rem;
    margin-top: 1rem;
}
.main{
    width: 57rem;
    margin: 0 auto;
    position: relative;
}
.main-left-info-list-morebtn{
    width: 9rem;
    margin: 1.35rem auto 0 auto;
    text-align: center;
    line-height: 1.9rem;
    box-sizing: border-box;
    border-bottom: 2px solid #b8b6b7;
    color: #b8b6b7;
    font-size: .7rem;
    cursor: pointer;
}
.brand-title{
    width: 100%;
    color: #4a4a4a;
    font-size: .9rem;
    line-height: 1rem;
    margin-top: 1rem;
}
.brand-list{
    display: block;
    width: 12.6rem;
    /*height: 100%;*/
    height: 15.65rem;
    background-color: #fafafa;
    /*padding-bottom: 3.3rem;*/
    box-sizing: border-box;
    cursor: pointer;
    float: left;
    margin-top: 3.1rem;
    -webkit-transition: all 300ms;
    -moz-transition: all 300ms;
    -ms-transition: all 300ms;
    -o-transition: all 300ms;
    transition: all 300ms;
    position: relative;
    padding-top: 9.6rem;
    overflow: hidden;
}
.brand-list:not(:nth-child(4n+1)){
    margin-left: 1.7rem;
}
.brand-list:nth-child(1),
.brand-list:nth-child(2),
.brand-list:nth-child(3),
.brand-list:nth-child(4){
    margin-top: 1.1rem;
}
.brand-list-top-imgbox{
    width: 100%;
    height: 9.6rem;
    overflow: hidden;
    position: absolute;
    top: 0;
    left: 0;
    -webkit-transition: height 300ms;
    -moz-transition: height 300ms;
    -ms-transition: height 300ms;
    -o-transition: height 300ms;
    transition: height 300ms;
}
.brand-list-top-img{
    width: 100%;
    height: 100%;
}
.brand-list-top-img-mask{
    width: 100%;
    height: 100%;
    background-color: rgba(48,40,42,.4);
}
.brand-list-title{
    width: 11.1rem;
    margin: 1rem auto 0 auto;
    text-align: center;
    font-size: .8rem;
    color: #000;
    font-weight: bold;
    position: relative;
    z-index: 2;
    opacity: 1;
    -webkit-transition: opacity 300ms;
    -moz-transition: opacity 300ms;
    -ms-transition: opacity 300ms;
    -o-transition: opacity 300ms;
    transition: opacity 300ms;
}
.brand-list-intro{
    width: 11.1rem;
    margin: .75rem auto 0 auto;
    text-align: center;
    font-size: .6rem;
    color: #666;
    line-height: .8rem;
    height: 1.6rem;
    word-break: break-all;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    position: relative;
    z-index: 2;
    -webkit-transition: all 300ms;
    -moz-transition: all 300ms;
    -ms-transition: all 300ms;
    -o-transition: all 300ms;
    transition: all 300ms;
}
.brand-list-bottommask{
    width: 100%;
    height: 6.6rem;
    position: absolute;
    z-index: 1;
    left: 0;
    bottom: 0;
    background:#fff; /* 一些不支持背景渐变的浏览器 */
    background: -webkit-linear-gradient(rgba(255,255,255,0), rgba(255,255,255,1)); /* Safari 5.1 - 6.0 */
    background: -o-linear-gradient(rgba(255,255,255,0), rgba(255,255,255,1)); /* Opera 11.1 - 12.0 */
    background: -moz-linear-gradient(rgba(255,255,255,0), rgba(255,255,255,1)); /* Firefox 3.6 - 15 */
    background: linear-gradient(rgba(255,255,255,0), rgba(255,255,255,1)); /* 标准的语法 */
    opacity: 0;
    -webkit-transition: opacity 300ms;
    -moz-transition: opacity 300ms;
    -ms-transition: opacity 300ms;
    -o-transition: opacity 300ms;
    transition: opacity 300ms;
}
.brand-list:hover{
    -webkit-transform: scale(1.13);
    -moz-transform: scale(1.13);
    -ms-transform: scale(1.13);
    -o-transform: scale(1.13);
    transform: scale(1.13);
    box-shadow: 0 .2rem .65rem 0 rgba(0, 0, 0, 0.34);
}
.brand-list:hover .brand-list-top-imgbox{
    height: 15.65rem;
}
.brand-list:hover .brand-list-title{
    opacity: 0;
}
.brand-list:hover .brand-list-intro{
    font-size: .75rem;
    line-height: 1rem;
    height: 2rem;
    text-align: justify;
    color: #000;
}
.brand-list:hover .brand-list-bottommask{
    opacity: 1;
}