/* 首页头图加载 */
.pl-container {
    width: 100%;
    height: 100%;
    z-index: -2;
    position: fixed;
    overflow: hidden;
    will-change: transform;
    /* 添加性能优化 */
    animation: blur-to-clear 2s cubic-bezier(.62, .21, .25, 1) 0s 1 normal backwards running, scale 1.5s cubic-bezier(.62, .21, .25, 1) 0s 1 both;
}

.pl-img {
    width: 100%;
    height: 100%;
    position: absolute;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1s;
}

@keyframes blur-to-clear {
    0% {
        filter: blur(50px);
        opacity: 1;
    }

    100% {
        filter: blur(0);
        opacity: 1;
    }
}

@keyframes scale {
    0% {
        transform: scale(1.5) translateZ(0);
        opacity: 0;
    }

    to {
        transform: scale(1) translateZ(0);
        opacity: 1;
    }
}

.pl-visible {
    opacity: 1;
}

.pl-blur {
    /* 小图锯齿多，增加高斯模糊 */
    filter: blur(50px);
}

/* 页脚透明 */
#footer {
    background: transparent !important;
}

/* 头图透明 */
#page-header {
    background: transparent !important;
}

/* 底部透明 */
#footer-bar {
    background: transparent !important;
}

/* 更多透明 */
#category-bar {
    background: transparent !important;
}