/* tab */
.nav ul  li {
    position: relative;
}
.nav ul  li .icon {
    position: absolute;
    bottom: 0;
    left: 47%;
    transform: translateX(-50%);
    width: 10px;
    height: 12px;
    /* background: url(./img/red_1.png) no-repeat;
    background-size: 100% 100%; */
    z-index: 9;
    transform: rotate(30deg);
}
.nav ul  li {
    position: relative;
    color: #bb0007;
}
.nav ul  li .icon {
    /*background: url(../img/red.png) no-repeat;*/
    background-size: 100% 100%;
}
.nav ul  li a{
    color: #ffffff;
}
.nav ul  li .right_hui a{
    color: #666;
}
.nav ul li a.curr {
    position: relative;
    /* color: #bb0007; */
    color: #6fd4fb;
    font-weight: 600;
}
/* index 产品.服务.介绍 */
.nav_img {
    margin-left: 20px;
}
.csi_nav .nav_1:first-child {
    background: initial;
}
.nav_size {
    color: #0040be;
}
.csi_nav .nav_1.active {
    background: #0040be;
}
.csi_nav .nav_1.active .nav_size {
    color: #ffffff;
}
.csi_nav .nav_1.active .nav_sizes {
    color: #ffffff;
}
.csi_nav .nav_1 .img {
    width: 20px;
    height: 20px;
}
.csi_nav .nav_1.active .img.img_1 {
    background: url(../img/nav1.png) no-repeat;
    background-size: 100% 100%;
}
.csi_nav .nav_1.active .img.img_2 {
    background: url(../img/nav2.png) no-repeat;
    background-size: 100% 100%;
}
.csi_nav .nav_1.active .img.img_3 {
    background: url(../img/nav3.png) no-repeat;
    background-size: 100% 100%;
}
.csi_nav .nav_1.active .img.img_4 {
    background: url(../img/nav4.png) no-repeat;
    background-size: 100% 100%;
}
.csi_nav .nav_1 .img.img_1 {
    background: url(../img/nav1-active.png) no-repeat;
    background-size: 100% 100%;
}
.csi_nav .nav_1 .img.img_2 {
    background: url(../img/nav2-active.png) no-repeat;
    background-size: 100% 100%;
}
.csi_nav .nav_1 .img.img_3 {
    background: url(../img/nav3-active.png) no-repeat;
    background-size: 100% 100%;
}
.csi_nav .nav_1 .img.img_4 {
    background: url(../img/nav4-active.png) no-repeat;
    background-size: 100% 100%;
}


/* 侧边栏 */
.qiheng {
    position: relative;
}
.qi_img {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 12px;
    float: right;
    margin-right: 0px; 
    margin-top: 16px;
    margin: auto;
    background: url(../img/red_1.png) no-repeat;
    background-size: 100% 100%;
}
.aboutsmy .qiy.active .qi_img {
    background: url(../img/red_2.png) no-repeat;
    background-size: 100% 100%;
}