/* 成功案例二级页面样式 */

/* 案例网格布局 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
}
@media (min-width: 768px) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 1024px) {
    .cases-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 筛选按钮 */
.case-filter-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    border: 1px solid #e2e8f0;
    background: #fff;
    color: #475569;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}
.case-filter-btn:hover {
    border-color: #c7d2fe;
    color: #4f46e5;
}
.case-filter-btn.active {
    background: #4f46e5;
    color: #fff;
    border-color: #4f46e5;
}

/* 案例卡片 */
.case-card {
    background: #fff;
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    transition: transform 0.3s, box-shadow 0.3s;
}
.case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    border-color: #c7d2fe;
}

/* 卡片图片区域 */
.case-card-img {
    position: relative;
    height: 12rem;
    overflow: hidden;
    background: #e2e8f0;
}
.case-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.case-card:hover .case-card-img img {
    transform: scale(1.05);
}

/* 标签 */
.case-tag {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    background: #4f46e5;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
}

/* 卡片内容 */
.case-card-body {
    padding: 1.5rem;
}
.case-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 0.25rem;
    line-height: 1.3;
}
.case-card-subtitle {
    font-size: 0.8125rem;
    color: #4f46e5;
    font-weight: 600;
    margin-bottom: 0.75rem;
}
.case-card-desc {
    font-size: 0.875rem;
    color: #475569;
    line-height: 1.6;
    margin-bottom: 1rem;
}

/* 技术标签 */
.case-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-bottom: 1rem;
}
.case-card-tags span {
    font-size: 0.75rem;
    padding: 0.2rem 0.625rem;
    background: #f1f5f9;
    color: #475569;
    border-radius: 9999px;
    border: 1px solid #e2e8f0;
}

/* 数据统计 */
.case-card-stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: #f8fafc;
    border-radius: 0.5rem;
    border: 1px solid #e2e8f0;
}
.case-card-stats > div {
    flex: 1;
    text-align: center;
}
.stat-num {
    display: block;
    font-size: 1.25rem;
    font-weight: 800;
    color: #4f46e5;
    line-height: 1.2;
}
.stat-label {
    display: block;
    font-size: 0.6875rem;
    color: #94a3b8;
    margin-top: 0.125rem;
}

/* 图片画廊 */
.case-card-gallery {
    display: flex;
    gap: 0.5rem;
}
.case-card-gallery img {
    flex: 1;
    height: 4.5rem;
    object-fit: cover;
    border-radius: 0.375rem;
    border: 1px solid #e2e8f0;
}