*{
    padding: 0;
    margin: 0;
}
html,body{
    height: 100%;
}
ul{
    list-style: none;
}
.foot{
    position: fixed;
    width: 550px;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
}
.kf{
    position: fixed;
    right: 0;
    top: 10%;
    margin: auto;
    z-index: 999;
    width: 4rem;
    height: 4rem;

}
.kf img{
    width: 100%;
}
.foot img{
    width: 100%;
}
@keyframes move {
    0%{
        transform: scale(.98) translate(0px, 2px);
    }
    50%{
        transform: scale(1) translate(0px, 0px);
    }
    100%{
        transform: scale(.98) translate(0px, 2px);

    }
}
.content{
    width: 550px;
    min-height: 200px;
    background:url("../img/bg.png")no-repeat 50% -61%/100% auto,#131313;
    margin: 0 auto;
    padding-bottom: 7.6rem;
}
.down {
    text-align: center;
}
.down img{
    width: 49%;
    
}
.route{
    text-align: center;
}
.line{
    width: 65%;
}
.line-www{
    position: absolute;
    width: 185px;
    left: 38.5%;
    margin: 16px 40px;
}
.btn {
    width: 25%;
    margin-left: 25px;
}
.top{
    position: relative;
}
.top img{
    width: 100%;
}
.game{
    position: relative;
    margin-top: 10px;
}
.game img{
    width: 100%;
}
.remark{
    margin: 20px auto;
    width: 40%;
}

@media (max-width: 550px) {
    .content,.foot{
        width: 100%;
    }
}
@media (max-width: 550px) {
    .line-www{
        position: absolute;
        left: 3.5rem;
        width: 8rem;
        margin: 0.5rem 2rem;
    }
}