.bg{
    background: #000;
}
a{
    text-decoration: none;
}
a:hover{
    text-decoration: none;
}
@font-face {
    font-family: 'astera';
    src: url('../fonts/astera.ttf');
}
.top_nav{
    position: relative;
    z-index: 2;
}
.top_div{
    background: -webkit-linear-gradient(top,rgba(0,0,0,1),rgba(0,0,0,0.7),rgba(255,0,0,0)); /* Safari 5.1 - 6 */
    background: -o-linear-gradient(top,rgba(0,0,0,1),rgba(0,0,0,0.7),rgba(255,0,0,0)); /* Opera 11.1 - 12*/
    background: -moz-linear-gradient(top,rgba(0,0,0,1),rgba(0,0,0,0.7),rgba(255,0,0,0)); /* Firefox 3.6 - 15*/
    background: linear-gradient(top, rgba(0,0,0,1), rgba(0,0,0,0.7),rgba(255,0,0,0)); /* 标准的语法 */
    height: 5rem;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
}
.nav{
    font-family: 'astera';
    font-size: 0.2rem;
    padding-top: 1.3rem;
/*    font-weight: bold;*/
}
.nav li{
    float: left;
    color: #DE1133;
    border-bottom: 0.3px double #DE1133;
    padding-bottom: 10px;
}
.nav :hover{
    color: #FF7901;
    cursor:pointer;

}
.content{
    text-align: center;
}
.content a{
    color: #DE1133;
}
.btn_an a{
    background: #DE1133;
    color: #fff;
    padding: 1rem 2rem;
    display: inline-block;
    border-radius: 5px;
}
.btn_an a:hover{
    color: #fff;
}
/*视频背景*/

.c_video{
    width: 100%;
    position: absolute;
    z-index: -1;
    top: 0;
}
/*.videos{
    width: 100%;
    position: absolute;
    z-index: -1;
    top: 0;
}*/
/*左下角弹窗*/
.kong,.team_kong ,.aboutUs_tc ,.news_tc{
    position: fixed;
    left: 0;
    bottom: 0;
    z-index: 99999;
    width: 40rem;
    height: 20rem;
    background-color: rgba(255, 0, 0, 0.2);
    color: #fff;
    text-indent: 2rem;
    overflow-y: auto;
    font-size: 24px;
}
.tu_img {
    position: absolute;
    left: 0;
    top: 3rem;
    z-index: 99999;
    width: 100%;
    display: none;
}
.sp_video_tc{
    position: absolute;
    left: 0;
    top: 0;
    z-index: 99999;
    width: 100%;
    display: none;
}
.sp_video_tc_background{
	background:black;
}
.tu_img img{
    width: 100%;
}
.play_tn{
    padding-top: 6rem;
}
.google_btn{
    display: none;
}


.pad_top4{
    padding-top: 2rem;
    padding-bottom: 2rem ;
    border-bottom: 0.1rem solid #ffffff;
}
/*.logo_dw{
    position: relative;
    z-index: 2;
    top: 20rem;
}*/
.logo {
    width: 80vw;
    max-width: 500px;
    padding-top: 20px;
}
.white{
    color: white;

}
.play-btn {
    margin: 20px;
    -webkit-transform: scale(1);
    -ms-transform: scale(1);
    transform: scale(1);
    -webkit-transition: all .4s ease;
    transition: all .4s ease;
}
.c-button__text {
    color: white;
    font-family: "eurostile-extended", sans-serif;
    font-weight: 400;
    font-size: 1.5rem;
    letter-spacing: .1em;
    text-decoration: none;
    text-transform: uppercase;
}
.foot_logo{
    padding: 2rem;
}
.foot_logo img{
    height: 100px;
}
.foot_text{
    text-align: left;
    color: #fff;
    padding: 0.2rem;
}
.yapiskan{
    text-align:center;
    position: fixed;
    top:20px;
    width:100%;
    transition: top .5s;
    z-index: 9999;
}
.gizle {
    top: -100px;
}
.sabit {
    top:20px;
    z-index: 9999;
}

@media only screen  and (min-width: 768px) {
    .screen{
        display: none;
    }
}
@media only screen  and (max-width: 640px) {
    .screen{
        text-align: center;
        color: #fff;
        padding-top: 1rem;
        display: block;
    }
}