body {
    margin: 0;
    overflow: hidden;
    background: linear-gradient(to bottom, #19778c, #095f88);
    background-size:1400% 300%;
    animation: dynamics 6s ease infinite;
    -webkit-animation: dynamics 6s ease infinite;
    -moz-animation: dynamics 6s ease infinite;
    font-size: 14px;
    color: #ffffff;
    min-height: 700px;
}
/*登录样式*/
.main {
    position: fixed;
    text-align: center;
    top: 182px;
    width: 100%;
    height: auto;
    display: flex;
    justify-content: center;
}
.login {
    width: 470px;
    min-height:470px;
    background: linear-gradient(to bottom, #19778c, #095f88);
    animation: dynamics 6s ease infinite;
    -webkit-animation: dynamics 6s ease infinite;
    -moz-animation: dynamics 6s ease infinite;
    opacity: 0.9;
    border: solid 1px #13a1fc;
    background-size:1400% 300%;
}
@keyframes dynamics {
    0% {
        background-position: 0% 0%;
    }
    50% {
        background-position: 50% 100%;
    }
    100% {
        background-position: 100% 0%;
    }
}
.log-con {
    background: linear-gradient(#13a1fc, #13a1fc) left top, linear-gradient(#13a1fc, #13a1fc) left top,
    linear-gradient(#13a1fc, #13a1fc) right top, linear-gradient(#13a1fc, #13a1fc) right top,
    linear-gradient(#13a1fc, #13a1fc) left bottom, linear-gradient(#13a1fc, #13a1fc) left bottom,
    linear-gradient(#13a1fc, #13a1fc) right bottom, linear-gradient(#13a1fc, #13a1fc) right bottom;
    background-repeat: no-repeat;
    background-size: 3px 20px, 20px 3px;
    height: 100%;
    margin: -2px;
    padding: 3px 1px 1px 0;
    border-radius: 3px;
    padding-bottom: 20px;
}
.log-con >span {
    font-size: 30px;
    font-weight: bold;
    line-height: 24px;
    letter-spacing: 2px;
    display: block;
    margin: 20px 0 44px 0;
}
.log-con >span::after {
    display: block;
    content: '';
    width: 57px;
    height: 3px;
    background: #ffffff;
    margin-top: 16px;
    justify-content: center;
    position: relative;
    left: 206px;
}
.log-con>input {
    display: block;
    margin: 10px 0 32px 70px;
    width: 330px;
    height: 42px;
    background-color: #ffffff;
    border-radius: 4px;
    opacity: 0.9;
    border: 0;
    font-size: 16px;
    outline: none;
    padding-left: 10px;
    color: #000000;
}
.log-con>button {
    width: 340px;
    height: 44px;
    background-color: #0090ff;
    border-radius: 4px;
    display: block;
    margin: 10px 0 0 70px;
    text-align: center;
    line-height: 44px;
    cursor: pointer;
    opacity: 1;
    border: 0;
    outline: 0;
    color: #fff;
}

input::-webkit-input-placeholder {
    color: #000000;
    font-size: 16px;
}
.log-con>.code {
    width: 216px;
    display: inline-block;
    margin-left: 6px;
}
.log-con>#code {
    width: 94px;
    display: inline-block;
    margin-left: 14px;
    cursor: pointer;
}
/*logo*/
.logo {
    width: 168px;
    height: 75px;
    position: fixed;
    left: 150px;
    top: 26px;
}
.logo>img {
    max-width: 100%;
    max-height: 100%;
}
/*版权样式*/
.copyright {
    position: fixed;
    bottom: 10px;
    font-size: 16px;
    display: block;
    width: 100%;
    text-align: center;
}