*{ margin:0px; padding:0px;}
body 
{
    line-height:1.5;
    font-family:微软雅黑;
}
a{ text-decoration:none;}
ul,li{ list-style:none; }


.proimg{width:520px; height: 520px; border: 1px solid #000000; margin:40px; }
.proimg .propic{width:100%; height:auto; overflow: hidden; display: flex; align-items: center;}
.propic img{align-items: center; margin: 0px auto; max-height: 100%; max-width: 100%;}
.proimg .swiper-button-next,.proimg .swiper-button-prev{width:21px; height: 12px;}
.proimg .swiper-button-next{background: url(../images/right.png) no-repeat center; right:4%}
.proimg .swiper-button-prev{background: url(../images/left.png) no-repeat center; left:4%}
.proimg .swiper-pagination-bullet{width:10px; height: 10px; background: #ffffff; opacity: 1}
.proimg .swiper-pagination-bullet-active{background: #000000}
.proimg .swiper-pagination{bottom:20px}