* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.navbar {
    background-color: lightblue;
    display: flex;
    height: 60px;
    width: 95%;
    margin: 0 auto;
    margin-top: 5px;
    border-radius: 10px;
}

.navbar ul {
    display: flex;
    justify-content: center;
    align-items: center;
    list-style: none;
    gap: 30px;
    margin: 0 auto;
}

.navbar ul li{
    list-style: none;
}

.navbar ul li a {
    text-decoration: none;
    color: white;
    font-size: 20px;
    padding: 10px 15px;
    border-radius: 10px;
    transition: all 0.3s ease; /* 添加这行！ */
}

.navbar ul li a:hover{
    background-color: rgba(230, 230, 230, 0.5);
    font-size: 22px;
}

@media (max-width: 600px) {
    .navbar {
        width: 100%;
        height: auto;
        flex-direction: column;
        padding: 10px 0;
    }

    .navbar ul {
        flex-direction: column;
        gap: 15px;
    }

    .navbar ul li a {
        font-size: 18px;
        padding: 8px 12px;
    }

    .navbar ul li a:hover {
        font-size: 20px;
    }
}