.showmodel {
    position: fixed;
    width: 100%;
    top: 150px;
    left: 50%;
    margin-left: -50%;
    z-index: 99;
}

.yindao_banner {
    width: 100%;
    position: relative;
    overflow: hidden;
}
.yindao_banner img{
    width: 100%;
}


/* .kf {
    width: 100%;
    height: 100%;
    -webkit-animation: fadeIn 6s infinite linear;
    animation-delay: 2s;
} */

.butt {
    width: 100%;
    position: absolute;
    bottom: 85px;
    left: 0;
    min-width: 1200px;
}

.but {
    width: 94px;
    height: 94px;
    margin: 0 auto;
    display: block;
    /* background: url(../images/kfr/anniu.png) no-repeat center; */
    overflow: hidden;
}

.rightan {
    width: 22px;
    margin: 60px auto 0;
}

/* @keyframes bounce-down {
    25% {
        transform: translateY(-3px);
    }

    50% {
        transform: translateY(0);
    }

    75% {
        transform: translateY(3px);
    }

    100% {
        transform: translateY(0);
    }
} */

/* .animate-bounce-down {
    -webkit-animation: bounce-down 1s linear infinite;
    animation: bounce-down 1s linear infinite;
}

.showmodel {
    position: fixed;
    z-index: 99999;
    left: 0;
    background-color: rgba(0, 0, 0, 0.4);
    width: 100%;
    height: 100%;
    transition: all 0.5s;
    text-align: center;
    -webkit-animation: yidong 4s infinite linear;
    animation-delay: 2s;
} */

.btnModel {
    position: fixed;
    top: 170px;
    right: 50px;

}

@media screen and (max-width:1198px) {

    /* .showmodel{
    display: none;
} */
    .butt {
        min-width: 100%;
    }
}

@media screen and (max-width:800px) {

    .yindao_banner {
        margin-top: 50%;
    }

    .but {
        width: 54px;
        height: 54px;
        background-size: 100% 100%;
    }

    .rightan {
        width: 20px;
        margin-top: 30px;
    }

    .butt {
        bottom: 5px;
    }

    .btnModel {
        top: 27%;
    }
}

/* @-webkit-keyframes fadeIn {
    0% {
        opacity: 1;
       
    }

    50% {
        opacity: 0.5;
       
    }

    100% {
        opacity: 0;
      
    }
}

@-webkit-keyframes yidong {
    0% {
        background: transparent;
        left: 0px;
        top: 0px;
    }

    100% {
        background: transparent;
        left: 450px;
        top: 700px;
        width: 100px;
        height: 100px;
    }
} */

@media screen and (max-width:640px) {

    .yindao_banner {
        margin-top: 0;
    }

    .showmodel {
        top: 60px;
    }

    .yindao_banner img {
        width: 100%;
    }

    .btnModel {
        top: 70px;
        right: 20px
    }


}