body {
    margin: 0;
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
    min-height: 100vh;
    background-color: #f1f1f1;
    padding: 20px;
}
.MainBody {
    width: 100%;
}
.header {
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
    border-radius: 15px;
    background-color: white;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    position: relative;
}

    .header img {
        display: block;
        margin: 0 auto;
        width: 180px;
        height: auto;
        border-radius: 10px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

.main-content {
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 80px;
    margin: 20px auto;
    width: 1000px;
    height: 800px; 
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-grow: 1;
}

    .main-content h1, .main-content p {
        margin: 10px 0;
    }

.footer {
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 30px;
    margin-top: 20px;
    width: calc(100% - 40px);
    max-width: 1000px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: fixed;
    bottom: 10;
    left: 50%;
    transform: translateX(-50%);
}
    .footer p {
        margin: 10px 0;
    }

    .footer a {
        color: #333;
        font-size: 16px;
        text-decoration: none;
        margin: 0 10px;
    }

        .footer a:hover {
            text-decoration: underline;
            color: #555;
        }

/* 更多功能按钮样式 */
.more-functions-button {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 10px 20px;
    font-size: 16px;
    color: white;
    background-color: #333;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

    .more-functions-button:hover {
        background-color: #555;
    }

.download-box {
    background: linear-gradient(270deg, #ff7e5f, #feb47b); /* 新的渐变颜色 */
    padding: 15px 30px;
    font-size: 18px;
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    background-size: 400% 400%;
    animation: gradientAnimation 5s infinite;
    transition: background 0.3s;
    width: 200px;
    text-align: center;
}

    .download-box:hover {
        background-position: 0% 100%;
    }

    .download-box:active {
        background-position: 100% 0%;
    }