HTML, CSS 및 jQuery: 애니메이션으로 탭 만들기

<div class="tabs">
    <div class="tab">
        <button class="tab-btn active" data-tab="tab1">选项卡1</button>
        <div class="tab-content active" id="tab1">
            <p>选项卡1的内容</p>
        </div>
    </div>
    <div class="tab">
        <button class="tab-btn" data-tab="tab2">选项卡2</button>
        <div class="tab-content" id="tab2">
            <p>选项卡2的内容</p>
        </div>
    </div>
    <div class="tab">
        <button class="tab-btn" data-tab="tab3">选项卡3</button>
        <div class="tab-content" id="tab3">
            <p>选项卡3的内容</p>
        </div>
    </div>
</div>

.tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.tab {
    margin-right: 10px;
}

.tab-btn {
    background-color: #eee;
    border: none;
    color: #555;
    padding: 10px 20px;
    cursor: pointer;
}

.tab-btn:hover {
    background-color: #ddd;
}

.tab-btn.active {
    background-color: #ccc;
}

.tab-content {
    display: none;
    padding: 20px;
}

.tab-content.active {
    display: block;
    animation: fadein 0.5s;
}

@keyframes fadein {
    from { opacity: 0; }
    to { opacity: 1; }
}

$(document).ready(function() {
    $(".tab-btn").click(function() {
        var tabid = $(this).attr("data-tab");
        $(".tab-btn").removeClass("active");
        $(".tab-content").removeClass("active");
        $(this).addClass("active");
        $("#" + tabid).addClass("active");
    });
});