/* 瀑布流布局样式 */

/* 瀑布流容器 */
#waterfall-container {
    display: flex !important;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 20px;
    margin: 0;
    padding: 0;
}

/* 清除clearfix对flex布局的影响 */
#waterfall-container:before,
#waterfall-container:after {
    display: none !important;
}

/* 瀑布流项目 */
#waterfall-container .post.grid {
    flex: 0 0 calc(25% - 15px); /* 4列布局 */
    max-width: calc(25% - 15px);
    width: auto !important; /* 覆盖原有固定宽度 */
    margin: 0 !important;
    float: none !important; /* 取消浮动 */
    box-sizing: border-box;
    break-inside: avoid;
}

/* 响应式布局 - 平板 */
@media (max-width: 1200px) {
    #waterfall-container .post.grid {
        flex: 0 0 calc(33.333% - 14px); /* 3列布局 */
        max-width: calc(33.333% - 14px);
        width: auto !important;
    }
}

/* 响应式布局 - 手机横屏 */
@media (max-width: 768px) {
    #waterfall-container .post.grid {
        flex: 0 0 calc(50% - 10px); /* 2列布局 */
        max-width: calc(50% - 10px);
        width: auto !important;
    }
    
    #waterfall-container {
        gap: 15px;
    }
}

/* 响应式布局 - 手机竖屏 */
@media (max-width: 480px) {
    #waterfall-container .post.grid {
        flex: 0 0 calc(50% - 7.5px); /* 2列布局 */
        max-width: calc(50% - 7.5px);
        width: auto !important;
    }
    
    #waterfall-container {
        gap: 10px;
    }
}

/* 加载提示样式 */
.loading-more {
    width: 100%;
    text-align: center;
    padding: 20px;
    font-size: 14px;
    color: #666;
}

.loading-more span:before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-right: 8px;
    border: 2px solid #666;
    border-top-color: transparent;
    border-radius: 50%;
    animation: loading-spin 0.8s linear infinite;
    vertical-align: middle;
}

@keyframes loading-spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.no-more {
    width: 100%;
    text-align: center;
    padding: 20px;
    font-size: 14px;
    color: #999;
}

/* 保持原有的缩略图样式，不修改高度 */

/* 平滑过渡效果 */
#waterfall-container .post.grid {
    opacity: 0;
    animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}