.about-container{
    height: 450px;
    margin-top: 10px;
}
.products-container{
    height: 790px;
}
.banner { width: 1775px; height: 500px; overflow: hidden; position: relative; margin-left: auto; margin-right: auto; }
.banner .img {position: absolute; left: 0px; top: 0; } /*图片样式*/
.banner .img li { float: left; } /*图片样式*/
/* .banner .img img { width: 550px; } */
/*/ 小圆圈 /*/
.banner .num { position: absolute; width: 100%; bottom: 50px; left: 0; text-align: center; font-size: 0px;; }/*bottom 可以调整小圈圈高度 */
.banner .num li { width: 10px; height: 10px; background: #888; border-radius: 50%; display: inline-block; margin: 0 3px; cursor: pointer; }
.banner .num li.on { background: #F60; }
/*/ 按钮 /*/
.banner .btn { width: 30px; height: 50px; background: rgba(0,0,0,0.5); position: absolute; top: 50%; margin-top: -25px; cursor: pointer; text-align: center; line-height: 50px; color: #fff; font-size: 40px; font-family: "宋体"; display: none; }
.banner:hover .btn { display: block; }
.banner .btn_l { left: 0; }
.banner .btn_r { right: 0; }
/* 修改输出屏大小 */
#ban1 .banner { width: 100%; max-width: 1775px; height:600px; margin: 0 auto; border: 0px solid #000; }
#ban1 .banner .img img { width: 100%; height: 600px; max-width: 1920px;}
.about-dec {
    width: 380px;
    padding: 60px 20px;
    overflow: hidden;
}
.about-dec p {
    font-size: 14px;
    line-height: 20px;
    font-weight: 400;
}
.products-container {margin-top:50px;}
.products-title{
    letter-spacing: 0;
    line-height: 4.4em;
    text-align: center;
    font-size: 34px;
    color: #6e6d6d;
    font-weight: 700;
    display: flex;
    justify-content: space-between;
}
.cr-tabs-nav{
    text-align: center;
    margin-bottom: 10px;
    border-bottom-color: #e1e2e4;
    position: relative;
    border-bottom-width: 4px;
    border-bottom-style: solid;
    display: flex;
    justify-content: space-around;
    width: 770px;
    margin: auto;
}
.r-tabs-tab {
    height: 42px;
    margin-top: 10px;
    position: relative;
    top: 4px;
    display: inline-block;
    margin: 0;
    list-style: none;
    text-align: -webkit-match-parent;
    width: 174px;
    cursor: pointer;
}
.products{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    height: 600px;
    background-color: rgb(242, 242, 242);;
    width: 1200px;
    margin: auto;
}