body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f4f7f9;
    color: #333;
    margin: 0;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 20px;
}

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

.tab-button {
    padding: 10px 20px;
    margin: 5px;
    border: 1px solid #ccc;
    background-color: #fff;
    cursor: pointer;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.tab-button.active {
    background-color: #0070f3;
    color: white;
    border-color: #0070f3;
}

.tab-content {
    display: none; /* 默认隐藏所有内容 */
}

.tab-content.active {
    display: block; /* 只显示激活的 Tab 内容 */
}

.feed-item {
    background-color: #fff;
    border: 1px solid #e1e4e8;
    border-radius: 8px;
    margin-bottom: 20px;
    overflow: hidden; /* 确保 iframe 不会超出边界 */
}

/* 让 iframe 自适应宽度 */
.feed-item iframe, .feed-item script {
    display: block;
    width: 100%;
    border: none;
}