* {
    padding: 0;
    margin: 0;
}
body {
    background-color: #f0f0f0;
}
input {
    background-color: #EAEAEA;
    border: 0;
    width: 75%;
    height: 50px;
    padding-left: 10px;
    font-size: 1.3em;
}
input:hover {
    outline: none;
}
button {
    width: 30%;
    height: 45px;
    border-radius: 15px;
    border: 0;
    background: #00A8FF;
    transition: all 0.2s;
    font-size: 1.3em;
    white-space: nowrap;  /* 禁止文字换行 */
    color: #000;
}
button:hover {
    cursor: pointer;
}
button:focus {
    /* outline: 1; */
}
.flex {
    display: flex;
}
.cloumn {
    flex-direction: column;
}

.container {
    width: 100vw;
    height: 100vh;
    align-items: center;
}
.container .top_container {
    /* width: 35vw; */
    background-color: #ffffff;
    padding: 15px 70px 15px 70px;
    margin-top: 15vh;
    justify-content: center;
    align-items: center;
    white-space: nowrap;
}
.container .top_container div {
    font-size: 1.5em;
}
.container .login_container {
    width: 500px;
    background-color: #ffffff;
    margin-top: 3vh;
    padding-top: 2vh;
    padding-bottom: 6vh;
    align-items: center;
}
.container .login_container input {
    margin-top: 1.9vh;
}
.container .login_container button {
    margin-top: 20px;
}