.zjny-case-grid-wrapper {
    padding: 20px 0;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; /* 确保字体干净 */
}

/* 一级分类：胶囊形，居中 */
.zjny-filter-level-1 {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
    justify-content: flex-start;
}

.zjny-filter-level-1 .filter-btn {
    padding: 6px 20px;
    border: 1px solid #e0e0e0;
    border-radius: 50px; /* 胶囊形状 */
    background: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    color: #333;
    font-size: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05); /* 轻微阴影 */
}

.zjny-filter-level-1 .filter-btn:hover {
    border-color: #ef993a;
    color: #ef993a;
}

.zjny-filter-level-1 .filter-btn.active {
    background: #ef993a;
    color: #fff;
    border-color: #ef993a;
    box-shadow: 0 4px 10px rgba(255, 102, 0, 0.3);
}

/* 二级分类：矩形，橙色边框风格 */
.zjny-filter-level-2 {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 40px; /* 增加与卡片的间距 */
    justify-content: flex-start;
    min-height: 20px;
}

.zjny-filter-level-2 .filter-btn {
    padding: 6px 18px;
    border: 1px solid #ef993a; /* 默认灰色边框 */
    background: #fff;
    cursor: pointer;
    font-size: 18px;
    color: #ef993a;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.zjny-filter-level-2 .filter-btn:hover {
    border-color: #ef993a;
    color: #fff;
    background: #ef993a;
}

.zjny-filter-level-2 .filter-btn.active {
    color: #fff;
    border-color: #ef993a;
    background: #ef993a; /* 选中也是白底橙字，符合图1风格 */
    /* font-weight: 500; */
}

/* 网格布局 */
.zjny-case-grid-posts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

@media (max-width: 991px) {
    .zjny-case-grid-posts {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .zjny-case-grid-posts {
        grid-template-columns: 1fr;
    }
}

/* 卡片样式 */
.zjny-case-item {
    background: #fff;
    border: 1px solid #f0f0f0; /* 更淡的边框 */
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    /* box-shadow: 0 2px 10px rgba(0,0,0,0.05);  */
    display: flex;
    flex-direction: column; /* 确保内容垂直排列 */
}

.zjny-case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.zjny-case-thumbnail {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    overflow: hidden;
    background: #f5f5f5; /* 图片加载前的背景色 */
}

.zjny-case-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100% !important;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.zjny-case-item:hover .zjny-case-thumbnail img {
    transform: scale(1.05); /* 图片微放大效果 */
}

.zjny-case-content {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex-grow: 1; /* 撑满剩余空间 */
    background: #fcfcfc;
}

.zjny-case-title {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 15px;
    line-height: 1.4;
    height: 50px; /* 固定高度，约2行 */
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.zjny-case-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

.zjny-case-title a:hover {
    color: #ef993a;
}

.zjny-case-excerpt {
    font-size: 14px;
    color: #777;
    margin-bottom: 20px;
    line-height: 1.6;
    height: 66px; /* 固定高度，约3行 */
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    flex-grow: 1;
}

.zjny-read-more {
    display: inline-flex;
    align-items: center;
    color: #ef993a;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    margin-top: auto; /* 推到底部 */
    transition: all 0.3s;
}

.zjny-read-more:hover {
    color: #e65c00;
    transform: translateX(5px);
}

/* Load More 按钮 */
.zjny-load-more-wrap {
    text-align: center;
    margin-top: 50px;
}

.zjny-load-more-btn {
    padding: 12px 40px;
    background: #ef993a;
    color: #fff;
    border: none;
    border-radius: 4px; /* 稍微圆一点 */
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    /* box-shadow: 0 4px 10px rgba(255, 102, 0, 0.3); */
}

.zjny-load-more-btn:hover {
    background: #ef993a;
    transform: translateY(-2px);
    /* box-shadow: 0 6px 15px rgba(255, 102, 0, 0.4); */
}

.zjny-load-more-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

/* ------------------------------------------------------------------
   移动端适配优化 (Mobile Styles) - Max Width 767px
   ------------------------------------------------------------------ */
@media (max-width: 767px) {
    .zjny-case-grid-wrapper {
        padding: 10px 0;
    }

    /* 一级分类：改为横向滚动，更节省空间 */
    .zjny-filter-level-1 {
        gap: 15px;
        margin-bottom: 20px;
        justify-content: flex-start;
    }
    
    /* 隐藏滚动条样式但保留功能 */
    .zjny-filter-level-1::-webkit-scrollbar {
        height: 3px;
    }
    .zjny-filter-level-1::-webkit-scrollbar-thumb {
        background: #eee;
        border-radius: 3px;
    }

    .zjny-filter-level-1 .filter-btn {
        padding: 6px 16px;
        font-size: 16px;
        white-space: nowrap; /* 不换行 */
        flex-shrink: 0; /* 不压缩 */
    }

    /* 二级分类：同样横向滚动 */
    .zjny-filter-level-2 {
        gap: 10px;
        margin-bottom: 30px;
    }
    
    .zjny-filter-level-2::-webkit-scrollbar {
        height: 0;
        width: 0;
    }

    .zjny-filter-level-2 .filter-btn {
        padding: 5px 14px;
        font-size: 14px;
        white-space: nowrap;
        flex-shrink: 0;
    }

    /* 网格与卡片 */
    .zjny-case-grid-posts {
        gap: 20px;
    }

    .zjny-case-content {
        padding: 20px;
    }

    .zjny-case-title {
        font-size: 16px;
        height: 44px; /* 微调高度适配字体 */
        margin-bottom: 10px;
    }

    .zjny-case-excerpt {
        font-size: 13px;
        height: 63px; /* 微调 */
        margin-bottom: 15px;
    }
    
    .zjny-read-more {
        font-size: 13px;
    }
    
    .zjny-load-more-wrap {
        margin-top: 30px;
    }
    
    .zjny-load-more-btn {
        width: 100%; /* 移动端按钮撑满 */
        padding: 12px 0;
    }
}