/* 案例列表网格布局 */
.case-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.case-item {
    margin-bottom: 33px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    transition: transform .2s, box-shadow .2s;
}
.case-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,.12);
}
.case-thumb {
    width: 100%;
    height: 200px;
    object-fit: cover;
}
.case-title {
    padding: 1rem 1.2rem;
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    line-height: 1.4;
    margin: 0;
}
.case-summary {
    padding: 0 1.2rem;
    color: #555;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 响应式调整 - 电脑端更大 */
@media (min-width: 1024px) {
    .case-list {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: 2rem;
    }
    
    .case-thumb {
        height: 220px;
    }
    
    .case-title {
        font-size: 1.4rem;
        padding: 1.2rem 1.5rem;
    }
    
    .case-summary {
        font-size: 1.2rem;
        line-height: 1.8;
        padding: 0 1.5rem;
        -webkit-line-clamp: 4;
    }
}

/* 平板端 */
@media (max-width: 768px) {
    .case-list {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.2rem;
    }
    
    .case-item {
        margin-bottom: 25px;
    }
    
    .case-thumb {
        height: 200px;
    }
    
    .case-title {
        font-size: 1.4rem;
        padding: 1rem 1.2rem;
    }
    
    .case-summary {
        font-size: 1.2rem;
        line-height: 1.8;
        padding: 0 1.2rem;
        -webkit-line-clamp: 4;
    }
}

/* 手机端 */
@media (max-width: 480px) {
    .case-list {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .case-title {
        font-size: 1.5rem;
        padding: 1.2rem 1.5rem;
    }
    
    .case-summary {
        font-size: 1.3rem;
        line-height: 1.9;
        padding: 0 1.5rem;
        -webkit-line-clamp: 5;
        margin-bottom: 1.2rem;
    }
}

/* 分类过滤栏 */
.filter-bar {
    margin: 1rem 0;
    margin-top: 120px;
    padding: 8px 0; /* 增加上下间距，防止被遮挡 */
    text-align: center; /* 居中显示 */
    clear: both;           /* 防止被上层浮动或定位元素遮挡 */
    position: relative;   /* 创建定位上下文 */
    z-index: 1001;           /* 提升层级，确保在导航之上 */
    /* 如有固定头部，可根据实际高度调整 margin-top */
}
.filter-bar button {
    margin: 0 6px 6px 0;
    padding: 6px 12px;
    border: 1px solid #aaa;
    background: #f8f8f8;
    cursor: pointer;
    border-radius: 4px;
    font-size: 0.95rem;
    outline: none;
}
.filter-bar button:hover,
.filter-bar button.active {
    background: #ddd;
    border-color: #888;
}

/* 分页 */
.pagination {
    margin: 2rem 0;
    text-align: center;
}
.pagination a {
    margin: 0 4px;
    padding: 4px 8px;
    border: 1px solid #aaa;
    text-decoration: none;
    color: #333;
}
.pagination a.active,
.pagination a:hover {
    background: #ddd;
}

/* 标签 */
.tags .tag {
    display: inline-block;
    background: #f0f0f0;
    border-radius: 4px;
    padding: 2px 6px;
    margin: 2px;
    font-size: .85rem;
}


/* ==================== Swiper 样式 ==================== */
.swiper-container {
    position: relative;
    overflow: hidden;
    margin: 1rem auto;
    max-width: 800px;
    width: 100%;
}
.swiper-slide img {
    width: 100%;
    height: auto;
    border-radius: 6px;
    object-fit: cover;
}
/* 分页 */
.swiper-pagination {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 10;
}
.swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background: rgba(255,255,255,0.6);
    opacity: 1;
    margin: 0 4px !important;
    border-radius: 50%;
    transition: background .3s;
}
.swiper-pagination-bullet-active {
    background: #007bff;
}
/* 导航按钮 */
.swiper-button-prev,
.swiper-button-next {
    color: #fff !important;
    position: absolute !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    width: 44px !important;
    height: 44px !important;
    background: rgba(0,0,0,0.4) !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    z-index: 10 !important;
}
.swiper-button-prev { left: 10px; }
.swiper-button-next { right: 10px; }
.swiper-button-prev::after,
.swiper-button-next::after { font-size: 16px; }
/* 施工负责人信息 */
.case-worker {
    font-size: 0.85rem;
    color: #555;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid #eee;
}