/* PJAX 加载进度条 */
.pjax-loading::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #4a90e2, #67b26f);
    animation: pjax-progress 1s ease-in-out infinite;
    z-index: 9999;
}

@keyframes pjax-progress {
    0% { width: 0; left: 0; }
    50% { width: 50%; left: 25%; }
    100% { width: 100%; left: 100%; }
}

/* 可选：内容淡入效果 */
article {
    transition: opacity 0.2s ease-in-out;
}

.pjax-loading article {
    opacity: 0.7;
}