body {
    background: linear-gradient(#a3bed1, #d7dddd, #fff9eb);
    background-attachment: fixed;
    width:100vw;
    height:100vh;
    overflow:hidden;
}

    .login-title a {
        text-decoration: none;
    }

    .login-title img {
        width: auto;
        height: 60px;
        position: absolute;
        margin-left: -68px;
        margin-top: 20px;
    }

#txtYZM {
    width: 230px;
}

@media only screen and (max-width: 1440px) {
    body {
        overflow: hidden;
    }
    .login-title{
        margin-top:-80px;
    }
    .login-title a {
        font-size: 32px;
    }

    .login-title img {
        height: 40px;
        margin-left: -48px;
        margin-top: 30px;
    }

    .login-screen {
        width: 100%;
        left: 0;
    }

    .login-form {
        float: none;
        padding: 20px;
        margin: 20px auto;
        width: calc(100% - 100px);
        max-width: 320px;
    }
}

@media only screen and (max-width: 420px) {
    .login-field {
        width: 90%;
    }

    #txtYZM {
        width: calc(90% - 60px);
    }
}


.shuip {
    background-color: rgba(0, 123, 255, 0.1);
    box-shadow: inset 26px -37px 38px 42px rgba(9, 241, 211, 0.2), inset 9px -7px 35px -11px #e80ce3, inset 28px -21px 58px 4px rgba(0, 123, 255, 0.1);
    position: absolute;
    opacity: 0.1;
}
/* 随机定位气泡 */
.shuipao div.shuip:nth-child(1) {
    z-index:2;
    width: 10vw;
    height: 10vw;
    border-radius: 5vw;
    top: 50%;
    left: 50%;
    animation: riseAndFall 100s ease-in-out infinite;
}

.shuipao div.shuip:nth-child(2) {
    z-index:4;
    width: 8vw;
    height: 8vw;
    border-radius: 4vw;
    top: 80%;
    left: 0%;
    animation: riseAndFbll 100s ease-in-out infinite;
}

.shuipao div.shuip:nth-child(3) {
    z-index:6;
    width: 6vw;
    height: 6vw;
    border-radius: 3vw;
    top: 0%;
    left: 0%;
    animation: riseAndFcll 100s ease-in-out infinite;
}

.shuip::after {
    top: 136px;
    border-radius: 50%;
    position: absolute;
    height: 24px;
    width: 150px;
    left: -29px;
    content: '';
    z-index: -1;
    -webkit-filter: blur(9px);
    filter: blur(9px);
}

.shuip::before {
    top: 143px;
    border-radius: 50%;
    position: absolute;
    height: 14px;
    width: 106px;
    left: 8px;
    content: '';
    z-index: -1;
    -webkit-filter: blur(4px);
    filter: blur(4px);
}

/* 定义动画 */
@keyframes riseAndFall {
    0% {
        top: 50%;
        left: 50%;
    }

    10% {
        top: 90%;
        left: 80%;
    }

    20% {
        top: 50%;
        left: 50%;
    }

    30% {
        top: 0%;
        left: 0%;
    }

    40% {
        top: 50%;
        left: 10%;
    }

    50% {
        top: 90%;
        left: 20%;
    }

    60% {
        top: 50%;
        left: 50%;
    }

    70% {
        top: 0%;
        left: 80%;
    }

    80% {
        top: 50%;
        left: 60%;
    }

    90% {
        top: 90%;
        left: 40%;
    }

    100% {
        top: 50%;
        left: 50%;
    }
}

@keyframes riseAndFbll {
    0% {
        top: 80%;
        left: 0%;
    }

    10% {
        top: 20%;
        left: 50%;
    }

    20% {
        top: 50%;
        left: 80%;
    }

    30% {
        top: 70%;
        left: 50%;
    }

    40% {
        top: 0%;
        left: 0%;
    }

    50% {
        top: 20%;
        left: 40%;
    }

    60% {
        top: 50%;
        left: 80%;
    }

    70% {
        top: 70%;
        left: 50%;
    }

    80% {
        top: 80%;
        left: 60%;
    }

    90% {
        top: 90%;
        left: 40%;
    }

    100% {
        top: 50%;
        left: 0%;
    }
}

@keyframes riseAndFcll {
    0% {
        top: 0%;
        left: 0%;
    }

    10% {
        top: 80%;
        left: 40%;
    }

    20% {
        top: 0%;
        left: 80%;
    }

    30% {
        top: 80%;
        left: 40%;
    }

    40% {
        top: 0%;
        left: 0%;
    }

    50% {
        top: 80%;
        left: 40%;
    }

    60% {
        top: 0%;
        left: 80%;
    }

    70% {
        top: 80%;
        left: 40%;
    }

    80% {
        top: 0%;
        left: 0%;
    }

    90% {
        top: 80%;
        left: 40%;
    }

    100% {
        top: 0%;
        left: 0%;
    }
}