.carousel{
    width: 100%;
    height: 100%;
}
.swiperImg{
    height: 75rem;
}
.index_nav{
    width: calc(100% - 17px);
    height: 8rem;
    /*background-color: rgba(0,0,0,.2);*/
    /* position: absolute; */
    background-color: #fdfdfd;
    top: 0;
    z-index: 99;
    line-height: 8rem;

}
.nav_logo{
    text-align: center;
}
.nav_btn{
    text-align: center;
    height: 8rem;
    line-height: 8rem;
    vertical-align: middle;
    margin-left: -2rem;
    position: relative;
}
.nav_btn .nav_span{
    width: 12%;
    font-size: 1.4rem;
    height: 3.5rem;
    line-height: 3.5rem;
    display: inline-block;
    border-radius: 3rem;
    text-align: center;
    margin: 0 3%;
    color: #666666;
    text-decoration: none;
    cursor: pointer;

}
.drap_a{
    color: #666666;
    display: inline-block;
    width: 100%;
    height: 100%;
}
.drap_a:hover{
    color: #ffffff;
    text-decoration: none;
}
.nav_span .dropdown-menu > li > a{
    color: #ffffff;
}
.nav_span .dropdown-menu > li > a:hover{
    color: #40AFEF;
    background-color: #ffffff;
}
.nav_btn .nav_span:hover{
    background-color: #41AEEF;
    color:#ffffff;
}
.nav_btn .active{
    background-color: #41AEEF;
    color:#ffffff;
}
.nav_btn .nav_span:hover .drap_a{
    color: #ffffff;
}
.nav_btn .active .drap_a{
    color: #ffffff;
}
.drop_menu1{
    left: 21%;
    right: auto;
    top: 5.65rem;
    background-color: #41AEEF;
}
@media screen and (max-height: 860px) {
    .drop_menu1{
        left: 17%;
        right: auto;
        top: 5.65rem;
        background-color: #41AEEF;
    }
}
.nav_btn .drop_menu2{
    left: 41%;
    right: auto;
    top: 5.65rem;
    background-color: #41AEEF;
}
@media screen and (max-height: 860px) {
    .nav_btn .drop_menu2{
        left: 39%;
        right: auto;
        top: 5.65rem;
        background-color: #41AEEF;
    }
}
.toNext{
    width: 3rem;
    height: 3rem;
    position: absolute;
    bottom: -1rem;
    border: 1px solid red;
}
body{
    font-family: arial,helvetica;
    color: #F2F2F2;
}
.content{
    width: 100%;
}
/*main*/
.main_title{
    font-size: 3.5rem;
    font-weight: 600;
    color: black;
    text-align: center;
}
.main_p{
    color: black;
    text-align: center;
    font-size: 2rem;
}
.product_row{
    width: 60%;
    margin-top: 1rem;
    margin-left: 20%;
    height: 31rem;
}
.product_box{
    width: 35%;
    height: 30rem;
    display: inline-block;
    color: #B7B7B7;
    position:relative;
}
.title_span{
    width: 5rem;
    height: .8rem;
    display: inline-block;
    margin-left: -9%;
}
.pro_text{
    font-size: 1.6rem;
    width: 90%;
    text-align: center;
    margin: 1rem auto 2rem;
    height: 10rem;
    vertical-align: middle;
}

.p_title{
    font-size: 2rem;
    text-align: center;
    margin-top: 1rem;
}
.product_row .active {
    color: #292929;
    box-shadow: 6px 10px 17px rgba(125,125,125,0.8);
    background-color: #ffffff;
    text-decoration: none;
}
.product_row .active .p_title{
    color: #3EAEEE;
}
/*service*/

.ser_row{
    width: 70%;
    margin: 0 auto;
}
.ser_box{
    width: 25%;
    float: left;
    margin: 3rem 4% 0;
    color: #2D2D2D;
    background-color: #ffffff;
}
.ser_box img{
    width: 100%;
}
.ser_text{
    font-size: 1.6rem;
    width: 90%;
    margin: 1rem auto 2rem;
    margin-top: 2rem;
}
.ser_title{
    font-size: 2.5rem;
    /* text-align: center; */
    font-weight: 600;
    margin-top: 2rem;
    padding-left: 12%;
}
.case_row{
    width: 60%;
    margin: 0 auto;
    margin-top: 3rem;
}
/*case*/
.case_box{
    width: 33%;
    border: 1px solid #e5e5e5;
    float: left;
    height: 18rem;
    text-align: center;
    vertical-align: middle;
    line-height: 18rem;
}
.new_row{
    width: 100%;
    height: 55rem;
    background-color: #F9F9F9;
}
.new_box{
    width: 50%;
    height: 100%;
    /* display: inline-block; */
    float: left;
    padding-top: 2%;
}
.news{
    width: 85%;
    color: black;
    /* text-align: right; */
    height: 3rem;
    margin-left: 15%;
}
.news a{
    width: 70%;
    text-align: left;
    display: inline-block;
    font-size: 1.6rem;
    text-overflow: ellipsis;
    height: 3rem;
    line-height: 3rem;
    float: left;
    white-space: nowrap;
    overflow: hidden;
    cursor: pointer;
    color:#1f1f1f;
}
.news a:hover{
    color: black;
}
.news span{
    width: 30%;
    text-align: center;
    display: inline-block;
    font-size: 1.4rem;
    text-overflow: ellipsis;
    height: 3rem;
    line-height: 3rem;
    float: left;
}
.call_me{
    background-color: #707070;
    width: 100%;
    height: 27rem;
    padding-top: 3%;
    color:#ffffff;
}
.call_p{
    font-size: 1.6rem;
    height: 2.5rem;
    line-height: 2.5rem;
    text-align: left;
    width: 90%;
    padding-left: 10%;
    display: block;
}
.circle_box{
    position: absolute;
    bottom: -1rem;
    z-index: 99;
    text-align: center;
    width: 100%;
    height: 4rem;
}
.circle{
    width: 50px;
    height: 50px;
    background-color: #ffffff;
    border-radius: 50%;
    display: inline-block;
    color: #37ACF0;
    transform: rotate(88deg);
    text-align: center;
    font-size: 33px;
}
@media screen and (max-height: 860px) {
    .new_row {
        width: 100%;
        height: 44rem;
        background-color: #F9F9F9;
    }
}

.toTop{
    position: fixed;
    bottom: 2%;
    right: 2%;
    width: 4rem;
    height: 4rem;
    z-index: 9999;
}
.toTop_box{
    width: 100%;
    height: 100%;
    text-align: center;
    background-color: #3EAEEE;
    color: #ffffff;
    display: inline-block;
    transform: rotate(-88deg);
    font-size: 3rem;
    cursor: pointer;
}
.drop_menu1{
    left: 21%;
    right: auto;
    top: 5.65rem;
    background-color: #3EAEEE;
}
@media screen and (max-height: 860px) {
    .drop_menu1{
        left: 17%;
        right: auto;
        top: 5.65rem;
        background-color: #3EAEEE;
    }
}
.nav_btn .drop_menu2{
    left: 41%;
    right: auto;
    top: 5.65rem;
    background-color: #3EAEEE;
}
@media screen and (max-height: 860px) {
    .nav_btn .drop_menu2{
        left: 39%;
        right: auto;
        top: 5.65rem;
        background-color: #3EAEEE;
    }
}
.product_row .active {
    color: #292929;
    box-shadow: 6px 10px 17px rgba(125,125,125,0.8);
    background-color: #ffffff;
    text-decoration: none;
}
.img_logo .fp-controlArrow.fp-prev{
    border-color: transparent #36ACF0 transparent transparent;
}
.img_logo .fp-controlArrow.fp-next{
    border-color: transparent transparent transparent #36ACF0;
}


.product_row .active {
    color: #292929;
    box-shadow: 6px 10px 17px rgba(125,125,125,0.8);
    background-color: #ffffff;
    text-decoration: none;
}
#example-01 .case_box>img{
    display: block;
    outline: none;
    width: 180px;
    height: 100px;
    margin: 12% auto;
}
.pro_img{
    width: 100%;
    height: 15rem;
}
.footer-left{
    width: 40%;
    height: 100%;
    float: left;
    text-align: right;
}
.footer-left img{
    width: 12rem;
    height: 12rem;
}
.footer-right{
    width: 60%;
    height: 100%;
    float: left;
    text-align: left;
}
.product_row .active .pro_img_active{
    display:block;
}
.product_row .active .pro_img_normal{
    display:none;
}
.pro_img_active{
    width: 100%;
    height: 15rem;
    display: none;
    float:left;
}
.pro_img_normal{
    width: 100%;
    height: 15rem;
    display: black;
    float:left;
}