/* css/cases.css */

/* 页面标题 */
.page-hero {
    background: linear-gradient(rgba(0, 51, 102, 0.9), rgba(0, 80, 158, 0.85));
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.page-hero h1 {
    font-size: 2.8rem;
    margin-bottom: 15px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-hero p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.95;
    font-weight: 300;
}

/* 案例筛选 */
.case-filters {
    background-color: var(--light-gray);
    padding: 40px 0;
    position: sticky;
    top: 80px;
    z-index: 998;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.filter-section {
    margin-bottom: 30px;
}

.filter-section:last-child {
    margin-bottom: 0;
}

.filter-section h3 {
    color: var(--primary-blue);
    margin-bottom: 15px;
    font-size: 1.2rem;
    font-weight: 600;
}

.industry-filters,
.service-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-btn {
    padding: 10px 25px;
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 30px;
    font-weight: 600;
    color: var(--medium-gray);
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    font-size: 0.95rem;
}

.filter-btn:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: var(--white);
    box-shadow: 0 5px 15px rgba(0, 112, 204, 0.2);
}

/* 案例展示 */
.cases-section {
    padding: 80px 0;
    background-color: var(--white);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.case-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid rgba(0, 112, 204, 0.1);
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 60px rgba(0, 112, 204, 0.15);
    border-color: var(--accent-blue);
}

.case-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.case-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    align-items: flex-end;
}

.badge {
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge.industry {
    background: linear-gradient(135deg, var(--accent-blue), var(--secondary-blue));
}

.badge.service {
    background: linear-gradient(135deg, #00b894, #00cec9);
}

.case-content {
    padding: 25px;
}

.case-content h3 {
    color: var(--primary-blue);
    margin-bottom: 15px;
    font-size: 1.4rem;
    line-height: 1.3;
    min-height: 56px;
}

.case-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.case-meta span {
    display: flex;
    align-items: center;
    color: var(--medium-gray);
}

.case-meta i {
    margin-right: 5px;
    color: var(--accent-blue);
}

.case-excerpt {
    color: var(--dark-gray);
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 0.95rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.case-challenge {
    background: rgba(0, 112, 204, 0.05);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid var(--accent-blue);
}

.case-challenge h4 {
    color: var(--accent-blue);
    margin-bottom: 8px;
    font-size: 1rem;
}

.case-challenge p {
    color: var(--medium-gray);
    font-size: 0.9rem;
    line-height: 1.5;
}

.case-detail-btn {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    font-weight: 600;
}

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

#loadMoreBtn {
    padding: 15px 40px;
    font-size: 1.1rem;
}

#loadMoreBtn i {
    margin-right: 8px;
}

/* 客户评价 */
.testimonials-section {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.testimonial-card {
    background: var(--white);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.testimonial-card:hover {
    transform: translateY(-10px);
}

.testimonial-content {
    position: relative;
    margin-bottom: 25px;
    flex-grow: 1;
}

.quote-icon {
    position: absolute;
    top: -10px;
    left: -10px;
    width: 40px;
    height: 40px;
    background: var(--accent-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.testimonial-content p {
    color: var(--dark-gray);
    line-height: 1.8;
    font-style: italic;
    font-size: 1.05rem;
    margin-top: 15px;
}

.client-info {
    display: flex;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.client-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.client-avatar i {
    font-size: 1.5rem;
    color: var(--white);
}

.client-details h4 {
    color: var(--primary-blue);
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.client-details p {
    color: var(--medium-gray);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.client-rating {
    color: #ffd700;
    font-size: 0.9rem;
}

/* 行业应用 */
.industries-section {
    padding: 80px 0;
    background-color: var(--white);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.industry-card {
    background: linear-gradient(145deg, #ffffff, #f5f7fa);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 112, 204, 0.1);
    height: 100%;
}

.industry-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 112, 204, 0.15);
    border-color: var(--accent-blue);
}

.industry-icon {
    width: 70px;
    height: 70px;
    background: var(--accent-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.industry-icon i {
    font-size: 2rem;
    color: var(--white);
}

.industry-content h3 {
    color: var(--primary-blue);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.industry-content > p {
    color: var(--medium-gray);
    margin-bottom: 20px;
    line-height: 1.6;
    font-size: 0.95rem;
}

.industry-content ul {
    list-style: none;
    margin-top: 15px;
}

.industry-content li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: var(--dark-gray);
    font-size: 0.95rem;
}

.industry-content li::before {
    content: '✓';
    position: absolute;
    left: 5px;
    color: var(--accent-blue);
    font-weight: bold;
}

/* 案例咨询 */
.case-consultation {
    background: linear-gradient(rgba(0, 51, 102, 0.95), rgba(0, 80, 158, 0.95));
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.consultation-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.consultation-content p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 40px;
    opacity: 0.95;
    line-height: 1.8;
}

.consultation-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.consultation-buttons .btn i {
    margin-right: 10px;
}

/* 案例详情模态框 */
.case-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    padding: 20px;
}

.case-modal.show {
    opacity: 1;
    visibility: visible;
}

.case-modal .modal-content {
    background: var(--white);
    border-radius: 15px;
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(-20px);
    transition: transform 0.3s;
}

.case-modal.show .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--accent-blue);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s;
}

.modal-close:hover {
    background: var(--secondary-blue);
}

.modal-body {
    padding: 40px;
}

/* 案例详情样式 */
.case-detail-header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--light-gray);
}

.case-detail-header h2 {
    color: var(--primary-blue);
    margin-bottom: 15px;
    font-size: 2rem;
}

.case-detail-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

.case-detail-meta span {
    display: flex;
    align-items: center;
    color: var(--medium-gray);
    font-size: 1rem;
}

.case-detail-meta i {
    margin-right: 8px;
    color: var(--accent-blue);
}

.case-detail-badges {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.case-detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.case-detail-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.case-detail-image img {
    width: 100%;
    height: auto;
    display: block;
}

.case-detail-info h3 {
    color: var(--primary-blue);
    margin-bottom: 20px;
    font-size: 1.6rem;
}

.case-detail-info p {
    color: var(--dark-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.case-detail-specs {
    background: var(--light-gray);
    padding: 25px;
    border-radius: 10px;
    margin-top: 30px;
}

.case-detail-specs h4 {
    color: var(--secondary-blue);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.case-detail-specs ul {
    list-style: none;
}

.case-detail-specs li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: var(--dark-gray);
    border-bottom: 1px dashed var(--border-color);
}

.case-detail-specs li:last-child {
    border-bottom: none;
}

.case-detail-specs li::before {
    content: '•';
    position: absolute;
    left: 10px;
    color: var(--accent-blue);
    font-size: 1.2rem;
}

.case-detail-results {
    background: linear-gradient(135deg, rgba(0, 112, 204, 0.1), rgba(0, 80, 158, 0.05));
    padding: 30px;
    border-radius: 10px;
    margin-top: 30px;
}

.case-detail-results h4 {
    color: var(--secondary-blue);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.result-item {
    text-align: center;
    padding: 20px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.result-item i {
    font-size: 2rem;
    color: var(--accent-blue);
    margin-bottom: 15px;
}

.result-item .result-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 5px;
}

.result-item .result-label {
    color: var(--medium-gray);
    font-size: 0.95rem;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .case-detail-content {
        grid-template-columns: 1fr;
    }
    
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-hero h1 {
        font-size: 2.2rem;
    }
    
    .page-hero p {
        font-size: 1.1rem;
    }
    
    .industry-filters,
    .service-filters {
        overflow-x: auto;
        padding-bottom: 10px;
        justify-content: flex-start;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
    
    .industries-grid {
        grid-template-columns: 1fr;
    }
    
    .consultation-content h2 {
        font-size: 2rem;
    }
    
    .consultation-content p {
        font-size: 1.1rem;
    }
    
    .case-detail-header h2 {
        font-size: 1.6rem;
    }
    
    .modal-body {
        padding: 20px;
    }
}

@media (max-width: 576px) {
    .page-hero {
        padding: 60px 0;
    }
    
    .page-hero h1 {
        font-size: 1.8rem;
    }
    
    .filter-btn {
        padding: 8px 20px;
        font-size: 0.9rem;
    }
    
    .case-content h3 {
        font-size: 1.2rem;
        min-height: auto;
    }
    
    .consultation-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .consultation-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.case-card,
.testimonial-card,
.industry-card {
    animation: fadeInUp 0.6s ease;
}