/* PJAX 页面切换优化 - 防止白屏闪烁 */

/* 为body添加平滑过渡效果 */
body {
    transition: background-color 0.2s ease-in-out;
}

/* 夜间模式和护眼模式的快速切换 */
body.night,
body.sepia {
    transition: background-color 0.15s ease-in-out;
}

/* InstantClick 页面加载进度条（可选）*/
#instantclick {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: transparent;
    z-index: 10000;
}

#instantclick-bar {
    background: #3274ff;
    width: 0;
    height: 3px;
    transition: width 0.3s;
}

/* 页面切换时的淡入效果 */
@keyframes fadeIn {
    from {
        opacity: 0.95;
    }
    to {
        opacity: 1;
    }
}

/* PJAX 加载时防止闪烁 */
.instantclick-loading body {
    animation: none;
}