body {
    margin: 0;
    font-family: Arial, sans-serif;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #333;
    color: #fff;
    padding: 15px 20px;
}

.logo a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    font-size: 20px;
}

.nav-links {
    display: flex;
    list-style-type: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin-right: 15px;
}

.nav-links li a {
    color: #fff;
    text-decoration: none;
    font-family: 'Work Sans', sans-serif;
    font-size: 16px;
}

.burger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.line1, .line2, .line3 {
    width: 25px;
    height: 3px;
    background-color: #fff;
    margin: 3px;
}


@media screen and (max-width: 992px) {
    .nav-links {
        display: none;
        flex-direction: column; /* 将导航链接改为纵向布局 */
        background-color: #333; /* 为导航链接添加背景色 */
        padding: 10px; /* 为导航链接添加内边距 */
        position: absolute;
        top: 0px;
        left: 0;
        width: 100%;
        box-sizing: border-box;
        z-index: 9999;
        padding-top: 60px;
        height: 100vh;
    }

    .navbar{
        padding: 5px 20px;
    }

    .nav-links.nav-active {
        display: flex;
        position: fixed;
    }

    .nav-links li {
        margin: 10px 0; /* 调整导航链接的上下间距 */
    }

    .burger {
        display: flex;
    }
    .toggle{
        position: fixed;
        z-index: 9999;
        right: 20px;
    top: 15px;
    }
}