.dropdown:hover > .dropdown-menu {
    display: block;
}

.dropdown > .dropdown-toggle:active {
    pointer-events: none;
}

.loginClass {
    position: absolute;
    top: 0;
    left: 50%;
    background-color: #fff;
    transform: translateX(-50%);
}

.inp,
.yzm_inp,
.yzm {
    width: 100%;
    height: 48px;
    border: 1px solid #ccc;
    outline: none;
    font-size: 14px;
}

.sub {
    width: 100%;
    height: 48px;
    outline: none;
    border: none;
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    background-color: #1e90ff;
}

    .sub:hover {
        background-color: #3599fd;
    }

.auto_login {
    height: 50px;
    line-height: 50px;
    text-align: right;
    font-size: 14px;
}

.yzm {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    position: absolute;
    top: 0;
    right: 15px;
    width: 40%;
    height: 100%;
    border: 0;
}

    .yzm span,
    .auto_login:hover {
        cursor: pointer;
    }

.dropdown:hover > .dropdown-menu {
    display: block;
}

.dropdown > .dropdown-toggle:active {
    pointer-events: none;
}

.loginMessage {
    position: absolute;
    top: -20px;
    left: 18px;
}