.section-cases {
    background: var(--color-bg-light);
}

.section.section-cases {
    padding: 3.5rem 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.case-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.1);
    border-color: var(--color-primary);
}

.case-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3/2;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.case-card:hover .case-image img {
    transform: scale(1.1);
}

.case-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.case-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.case-title a {
    color: var(--color-text);
    transition: color 0.3s;
}

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

.case-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.case-type {
    color: var(--color-primary);
    background: var(--color-bg-light);
    padding: 2px 8px;
    border-radius: 4px;
}

@media (max-width: 992px) {
    .cases-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 576px) {
    .cases-grid { grid-template-columns: 1fr; }
}

.case-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: var(--color-bg-light);
    color: var(--color-primary);
    font-weight: 500;
}

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 102, 255, 0.85); /* 使用企业蓝 */
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.case-card:hover .case-overlay {
    opacity: 1;
}

.case-link {
    padding: 0.5rem 1.5rem; /* 降低高度 */
    background: #fff;
    color: var(--color-primary);
    font-weight: 500;
    border-radius: 3px;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.case-card:hover .case-link {
    transform: translateY(0);
}

.case-link:hover {
    background: var(--color-primary);
    color: #fff;
}

.case-content {
    padding: 1.5rem;
}

.case-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
    min-height: 2.8em;
}

.case-title a {
    color: var(--color-text);
    transition: color 0.3s ease;
}

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

.case-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--color-text-light);
    min-height: 1.5em;
}

.case-type {
    padding: 0.25rem 0.75rem;
    background: rgba(30, 58, 95, 0.1);
    color: var(--color-primary);
}

@media (max-width: 992px) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .cases-grid-wrapper {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .cases-grid {
        grid-template-columns: 1fr;
    }
    .cases-grid-wrapper {
        grid-template-columns: 1fr;
    }
}