/* 开发案例页面样式 */

/* 内页横幅 */
.case-banner {
    background: linear-gradient(135deg, #EA3643 0%, #ff6b7a 100%);
    padding: 120px 0 80px;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

.case-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.case-banner-content {
    text-align: center;
    color: var(--white);
    position: relative;
    z-index: 1;
}

.case-banner-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
}

.case-banner-subtitle {
    font-size: 20px;
    opacity: 0.9;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.case-breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    opacity: 0.95;
}

.case-breadcrumb a {
    color: var(--white);
    transition: var(--transition);
}

.case-breadcrumb a:hover {
    opacity: 0.8;
}

/* 案例筛选 */
.case-filter-section {
    padding: 40px 0;
    background: var(--bg-light);
    position: sticky;
    top: 70px;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.case-filter-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.case-filter-btn {
    padding: 10px 30px;
    background: var(--white);
    border: 2px solid transparent;
    border-radius: 30px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    color: var(--secondary-color);
    transition: var(--transition);
}

.case-filter-btn:hover,
.case-filter-btn.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(234, 54, 67, 0.3);
}

/* 案例展示 */
.case-showcase-section {
    padding: 80px 0;
}

.case-showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.case-showcase-item {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s ease;
}

.case-showcase-image {
    position: relative;
    height: 280px;
    border-radius: 12px;
    overflow: hidden;
    background: #f0f0f0;
}

.case-showcase-image::after {
    content: '案例展示';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #999;
    font-size: 18px;
    font-weight: 600;
}

.case-showcase-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.case-showcase-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(234, 54, 67, 0.85), rgba(234, 54, 67, 0.95));
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.case-showcase-item:hover .case-showcase-overlay {
    opacity: 1;
}

.case-showcase-info {
    text-align: center;
    color: var(--white);
    transform: translateY(20px);
    transition: var(--transition);
}

.case-showcase-item:hover .case-showcase-info {
    transform: translateY(0);
}

.case-showcase-tag {
    display: inline-block;
    padding: 5px 15px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    font-size: 12px;
    margin-bottom: 15px;
}

.case-showcase-info h3 {
    font-size: 20px;
    margin-bottom: 10px;
    font-weight: 600;
}

.case-showcase-info p {
    font-size: 14px;
    opacity: 0.95;
    margin-bottom: 20px;
}

.case-showcase-link {
    width: 45px;
    height: 45px;
    background: var(--white);
    color: var(--primary-color);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: var(--transition);
}

.case-showcase-link:hover {
    transform: scale(1.1);
}

.case-showcase-meta {
    padding: 20px;
    background: var(--white);
    border-radius: 0 0 12px 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.case-showcase-client {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-color);
    margin-bottom: 12px;
}

.case-showcase-client i {
    color: var(--primary-color);
}

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

.case-showcase-tech span {
    padding: 4px 12px;
    background: var(--bg-light);
    border-radius: 12px;
    font-size: 12px;
    color: var(--primary-color);
}

/* 加载更多 */
.case-loadmore {
    text-align: center;
    margin-top: 60px;
}

.case-loadmore-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 40px;
    background: var(--white);
    border: 2px solid var(--primary-color);
    border-radius: 30px;
    color: var(--primary-color);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.case-loadmore-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(234, 54, 67, 0.3);
}

/* 客户评价 */
.case-testimonial-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.case-section-header {
    text-align: center;
    margin-bottom: 60px;
}

.case-section-header h2 {
    font-size: 36px;
    color: var(--secondary-color);
    font-weight: 700;
    margin-bottom: 10px;
}

.case-section-header p {
    font-size: 16px;
    color: var(--text-color);
}

.case-testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.case-testimonial-card {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    position: relative;
    transition: var(--transition);
}

.case-testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(234, 54, 67, 0.15);
}

.case-testimonial-quote {
    font-size: 36px;
    color: var(--primary-color);
    opacity: 0.2;
    margin-bottom: 20px;
}

.case-testimonial-text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 25px;
}

.case-testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.case-testimonial-avatar {
    width: 50px;
    height: 50px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 32px;
}

.case-testimonial-info h4 {
    font-size: 16px;
    color: var(--secondary-color);
    margin-bottom: 3px;
}

.case-testimonial-info p {
    font-size: 13px;
    color: var(--text-color);
}

.case-testimonial-rating {
    display: flex;
    gap: 5px;
}

.case-testimonial-rating i {
    color: #ffd700;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .case-showcase-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .case-testimonial-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .case-banner {
        padding: 80px 0 60px;
    }
    
    .case-banner-title {
        font-size: 36px;
    }
    
    .case-filter-section {
        position: static;
    }
    
    .case-showcase-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .case-filter-btn {
        padding: 8px 20px;
        font-size: 14px;
    }
    
    .case-testimonial-card {
        padding: 30px 25px;
    }
}