body,
* {
    margin: 0;
    padding: 0;
    width: 100%;
    box-sizing: border-box;
    line-height: 2;
}

a{
    text-decoration: none;
    color: #918ff0;
}

.top {
    box-sizing: border-box;
    width: 100%;
    height: 48%;
    text-align: center;
    padding: 1.5vh;
}

.top .back {
    width: 100%;
    height: fit-content;
    font-size: large;
    font-weight: bold;
    padding: 1.5vh 0;
}


.shell {
    width: 60%;
    /* 垂直水平居中 */
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #f2fbff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.game-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-top: 20px;
    text-align: center;
}

.range {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 10px;
    width: fit-content;
}

.range div {
    margin-right: 10px;
}

.range span {
    margin-right: 10px;
}

.range input {
    width: 100px;
    height: 30px;
    text-align: center;
    margin-right: 10px;
}

.range button {
    width: 60px;
    height: 30px;
    background-color: #B197FC;
    color: white;
    border: none;
    border-radius: 5px;
}

.input {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 10px;
}

.mynum input {
    width: 100px;
    height: 30px;
    text-align: center;
    margin-right: 10px;
}

.input button {
    font-size: 16px;
    width: 60px;
    height: 30px;
    background-color: #B197FC;
    color: white;
    border: none;
    border-radius: 5px;
    margin-left: 10px;
}

.input button:hover {
    cursor: pointer;
    background-color: #190063;
}

.bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 20px;
}

.result {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.result div {
    margin-top: 10px;
}