/* 案例列表 */
.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.case-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.case-image {
    height: 220px;
    overflow: hidden;
    position: relative;
}
.case-card a{
    text-decoration: none;
    color: #222;
}
.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.case-card:hover .case-image img {
    transform: scale(1.05);
}

.case-tag {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #e4faed;
    color: #373737;
    padding: 5px 15px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 2;
}

.case-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.case-title {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--secondary);
    transition: color 0.3s;
}

.case-card:hover .case-title {
    color: var(--primary);
}

.case-desc {
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.7;
    flex: 1;
}

.case-meta {
    display: flex;
    justify-content: space-between;
    color: var(--gray);
    font-size: 0.9rem;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border);
}

.case-stats {
    display: flex;
    gap: 15px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.case-link {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 10px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    align-self: flex-start;
    margin-top: 10px;
}

.case-link:hover {
    background: var(--secondary);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}


@media (max-width: 768px) {
    .cases-content {
        grid-template-columns: repeat(auto-fill, minmax(100%, 1fr));
        gap: 10px;
        padding: 10px;
    }
    
    .cases-content .item img {
        height: 260px;
    }
    
    .cases-content .item .txt {
        padding: 10px;
    }
    .case-grid {
        grid-template-columns: 1fr;
    }
    
}