body {
    font-family: Arial, sans-serif;
    background-color: #000; /* 黑色背景 */
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #000; /* 白色内容区域 */
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    color: aliceblue;
    display: flex;
    flex-direction: column;
    height: 99vh;
}

.menu-box {
    font-size: 2em;
    padding-bottom: 20px;
}

.head-box {
    padding-bottom: 20px;
}

.menu-box a {
    cursor:pointer;
    padding-left: 40px;
    text-decoration: none;
}

.menu-box .activity {
    color: #878787;
}

.img-box {
    text-align: right;
}

.img-box img {
    width: 338px;
    height: 317px;
}

.outer-div {
    padding-top: 100px;
    display: flex;
    flex-wrap: wrap;
}

.inner-div {
    text-align: center;
    flex: 1 0 20%;
    height: 100px;
}

.inner-div img {
    height: 30px;
    padding-bottom: 20px;
}

.copyright {
    bottom: 0;
    left: 50%;
    margin: 0 auto;
    text-align: center;
    padding: 10px;
}