.login-bg{
    background: radial-gradient(circle,rgba(97,168,255,1),rgba(52,135,238,1));
}
.chrome-tips{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999;
    display: none;
}
.chrome-tips .hide{
    display: block;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(0,0,0,0.3);
}
.chrome-tips-cont{
    background: #fff;
    width: 540px;
    height: 300px;
    border-radius: 4px;
    box-shadow:0px 0px 5px 0px rgba(0, 0, 0, 0.3);
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -270px;
    margin-top: -150px;
    padding: 40px 39px 30px;
    text-align: center;
}
.chrome-tips-cont h2{
    font-size: 24px;
    color: #333;
    margin-bottom: 25px;
    margin-top: 0;
    font-weight: normal;
}
.chrome-tips-cont p{
    font-size: 16px;
    color: #888;
    line-height: 1.8;
    text-align: left;
    padding: 0;
    margin: 0;
}
.chrome-tips-cont p a{
    color: #0096FF;
    font-size: 16px;
    text-decoration: underline;
}
.chrome-tips-cont > a{
    display: inline-block;
    font-size: 13px;
    color: #fff;
    border: 1px solid #3280FC;
    border-radius: 4px;
    background: #3280FC;
    padding: 7px 16px;
    margin-top: 30px;
}
.chrome-tips-cont p img{
    position: relative;
    top: -2px;
}
/*动画从中心扩散*/
.circle{
    width: 100px;
    height: 100px;
    border-radius: 50%;
    opacity: .2;
    background: rgb(77,179,226);
    position: absolute;
    top: 35%;
    left: 40%;
    animation: none;
    -webkit-animation: none;
}
.circle-wrap div:nth-child(1) {
    width: 120px;
    height: 120px;
    left: 40%;
    animation: circleTop 4s ease-out infinite;
    -webkit-animation: circleTop 4s ease-out infinite;
    animation: circleTop 4s ease-out infinite;
}
.circle-wrap div:nth-child(2) {
    width: 350px;
    height: 350px;
    left: 40%;
    animation: circleBottom 10s 2.5s ease-out infinite;
    -webkit-animation: circleBottom 10s 2.5s ease-out infinite;
    animation: circleBottom 10s 2.5s ease-out infinite;
}
.circle-wrap div:nth-child(3) {
    width: 400px;
    height: 400px;
    left: 40%;
    animation: circleRight 5s 5s ease-out infinite;
    -webkit-animation: circleRight 5s 5s ease-out infinite;
    animation: circleRight 5s 5s ease-out infinite;
}
.circle-wrap div:nth-child(4) {
    width: 300px;
    height: 300px;
    left: 40%;
    animation: circleBottomLeft 10s 7.5s ease-out infinite;
    -webkit-animation: circleBottomLeft 10s 7.5s ease-out infinite;
    animation: circleBottomLeft 10s 7.5s ease-out infinite;
}
.circle-wrap div:nth-child(5) {
    width: 160px;
    height: 160px;
    left: 40%;
    animation: circleTop 5s 6s ease-out infinite;
    -webkit-animation: circleTop 5s 6s ease-out infinite;
    animation: circleTop 5s 6s ease-out infinite;
}
.circle-wrap div:nth-child(6) {
    width: 320px;
    height: 320px;
    left: 40%;
    animation: circleLeft 3s 2s ease-out infinite;
    -webkit-animation: circleLeft 3s 2s ease-out infinite;
    animation: circleLeft 3s 2s ease-out infinite;
}
.circle-wrap div:nth-child(7) {
    width: 260px;
    height: 260px;
    left: 40%;
    animation: circleRight 4s 7s ease-out infinite;
    -webkit-animation: circleRight 4s 7s ease-out infinite;
    animation: circleRight 4s 7s ease-out infinite;
}
.circle-wrap div:nth-child(8) {
    width: 160px;
    height: 160px;
    left: 40%;
    animation: circleBottomLeft  5s 10s ease-out infinite;
    -webkit-animation: circleBottomLeft 5s  10s ease-out infinite;
    animation: circleBottomLeft 5s 10s ease-out infinite;
}
.circle-wrap div:nth-child(9) {
    width: 230px;
    height: 230px;
    left: 40%;
    animation: circleTop 5s 6s ease-out;
    -webkit-animation: circleTop 5s 6s ease-out;
    animation: circleTop  5s 6s ease-out;
}
.circle-wrap div:nth-child(10) {
    width: 200px;
    height: 200px;
    left: 40%;
    animation: circleTopRight 6s 11s ease-out infinite;
    -webkit-animation: circleTopRight  6s 11s ease-out infinite;
    animation: circleTopRight 6s 11s ease-out infinite;
}
.circle-wrap div:nth-child(11) {
    width: 130px;
    height: 130px;
    left: 40%;
    -webkit-animation-delay: 11.5s;
    animation-delay:  11.5s;
    animation: circleBottomRight 4s 3s ease-out infinite;
    -webkit-animation: circleBottomRight  8s 3s ease-out infinite;
    animation: circleBottomRight  4s 3s ease-out infinite;
}
.circle-wrap div:nth-child(12) {
    width: 80px;
    height: 80px;
    left: 40%;
    animation: circleTopLeft 5s 2s ease-out infinite;
    -webkit-animation: circleTopLeft 10s 2s ease-out infinite;
    animation: circleTopLeft 5s 2s ease-out infinite;
}
@keyframes circleTop{
    0%{
        width: 100px;
        height: 100px;
        transform: translate(0,0);
    }
    100%{
        width: 500px;
        height: 500px;
        transform: translate(0, -1000px);
    }
}
@keyframes circleBottom{
    0%{
        width: 100px;
        height: 100px;
        transform: translate(0,0);
    }
    100%{
        width: 500px;
        height: 500px;
        transform: translate(0, 900px);
    }
}
@keyframes circleRight{
    0%{
        width: 100px;
        height: 100px;
        transform: translate(0,0);
    }
    100%{
        width: 500px;
        height: 500px;
        transform: translate(1200px, 0);
    }
}
@keyframes circleLeft{
    0%{
        width: 100px;
        height: 100px;
        transform: translate(0,0);
    }
    100%{
        width: 300px;
        height: 300px;
        transform: translate(-1000px, 0);
    }
}
@keyframes circleTopRight{
    0%{
        width: 100px;
        height: 100px;
        transform: translate(0,0);
    }
    100%{
        width: 400px;
        height: 400px;
        transform: translate(1000px, -900px);
    }
}
@keyframes circleBottomRight{
    0%{
        width: 100px;
        height: 100px;
        transform: translate(0,0);
    }
    100%{
        width: 600px;
        height: 600px;
        transform: translate(900px, 1000px);
    }
}
@keyframes circleTopLeft{
    0%{
        width: 100px;
        height: 100px;
        transform: translate(0,0);
    }
    100%{
        width: 600px;
        height: 600px;
        transform: translate(-900px, -1000px);
    }
}
@keyframes circleBottomLeft{
    0%{
        width: 100px;
        height: 100px;
        transform: translate(0,0);
    }
    100%{
        width: 400px;
        height: 400px;
        transform: translate(-1000px, 1000px);
    }
}