/* ========================================
   案例页面样式
   ======================================== */

/* 页面标题区 */
.page-hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #0066CC 0%, #0052a3 100%);
    text-align: center;
}

.page-title {
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}

.page-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
}

/* 案例区域 */
.cases-section {
    padding: 60px 0 80px;
    background: #f8f9fa;
}

/* 筛选栏 */
.filter-bar {
    padding: 20px 24px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    margin-bottom: 32px;
}

.filter-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background: #f5f7f9;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-tab:hover {
    color: var(--color-primary);
    background: rgba(0, 102, 204, 0.08);
}

.filter-tab.active {
    color: #fff;
    background: var(--color-primary);
}

/* 案例网格 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* 案例卡片 */
.case-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.case-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 102, 204, 0.12);
}

.case-card.hidden {
    display: none;
}

/* 案例详情页 - 确保隐藏的panel完全不可见 */
.case-panel {
    display: none;
}

.case-panel.active {
    display: block;
}

/* 分页导航 */
.cases-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
}

.cases-pagination .page-btn {
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border: 1px solid #e0e0e0;
    background: #fff;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.cases-pagination .page-btn:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.cases-pagination .page-btn.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.cases-pagination .page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.cases-pagination .page-btn:disabled:hover {
    color: var(--text-secondary);
    border-color: #e0e0e0;
}

.case-image {
    position: relative;
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, #e8f4fc 0%, #d0e8f7 100%);
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.case-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-placeholder svg {
    width: 64px;
    height: 64px;
    stroke: var(--color-primary);
    opacity: 0.4;
}

.case-category {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    background: var(--color-primary);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 4px;
}

.case-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.case-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.case-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
    flex: 1;
}

.case-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.case-tags span {
    padding: 4px 10px;
    background: rgba(0, 102, 204, 0.08);
    color: var(--color-primary);
    font-size: 12px;
    border-radius: 4px;
}

/* 加载更多 */
.load-more {
    text-align: center;
    margin-top: 40px;
}

.btn-load-more {
    padding: 14px 40px;
    background: #fff;
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 600;
    border: 2px solid var(--color-primary);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-load-more:hover {
    background: var(--color-primary);
    color: #fff;
}

/* 联系CTA */
.contact-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #0066CC 0%, #004080 100%);
}

.cta-content {
    text-align: center;
}

.cta-title {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}

.cta-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
}

.btn-primary-lg {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    background: #fff;
    color: var(--color-primary);
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary-lg:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}

/* 响应式 */
@media (max-width: 1200px) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 991px) {
    .page-hero {
        padding: 100px 0 50px;
    }
    
    .page-title {
        font-size: 36px;
    }
}

@media (max-width: 767px) {
    .page-hero {
        padding: 90px 0 40px;
    }
    
    .page-title {
        font-size: 28px;
    }
    
    .filter-tabs {
        width: 100%;
        overflow-x: auto;
    }
    
    .filter-tab {
        padding: 8px 14px;
        font-size: 13px;
        white-space: nowrap;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .case-title {
        font-size: 16px;
    }
    
    .case-desc {
        font-size: 13px;
    }
}