/* 页面头部 */
        .page-header {
            margin-top: 120px;
            margin-bottom: 40px;
        }
        
        .breadcrumb {
            color: #B0C9E0;
            font-size: 1rem;
            margin-bottom: 20px;
        }
        
        .breadcrumb a {
            color: #C5A059;
            text-decoration: none;
        }
        
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        
        .case-category {
            display: inline-block;
            background: rgba(197, 160, 89, 0.1);
            border: 1px solid rgba(197, 160, 89, 0.3);
            padding: 5px 20px;
            font-size: 0.9rem;
            color: #C5A059;
            margin-bottom: 20px;
        }
        
        .page-header h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: #ffffff;
            line-height: 1.2;
        }
        
        .page-header h1 span {
            color: #C5A059;
        }

        /* 案例概览 */
        .case-overview {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            margin: 60px 0;
        }
        
        .overview-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 30px;
        }
        
        .stat-item {
            text-align: center;
            padding: 20px;
            background: rgba(255,255,255,0.02);
            border: 1px solid rgba(197, 160, 89, 0.1);
        }
        
        .stat-item .number {
            font-size: 2.5rem;
            font-weight: 700;
            color: #C5A059;
            line-height: 1.2;
        }
        
        .stat-item .label {
            font-size: 0.9rem;
            color: #B0C9E0;
        }
        
        .overview-image {
            background: linear-gradient(145deg, #1C3A5A, #0A1F35);
            border-radius: 20px;
            padding: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(197, 160, 89, 0.2);
        }
        
        .overview-image i {
            font-size: 10rem;
            color: #C5A059;
            opacity: 0.8;
        }

        /* 挑战与解决方案 */
        .challenge-solution {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin: 80px 0;
        }
        
        .section-title {
            font-size: 2rem;
            color: #C5A059;
            margin-bottom: 30px;
            font-weight: 500;
        }
        
        .challenge-box, .solution-box {
            background: rgba(20,44,70,0.3);
            backdrop-filter: blur(5px);
            border: 1px solid rgba(197,160,89,0.1);
            padding: 40px;
        }
        
        .challenge-box p, .solution-box p {
            color: #B0C9E0;
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        
        .challenge-list, .solution-list {
            list-style: none;
            margin-top: 20px;
        }
        
        .challenge-list li, .solution-list li {
            margin: 15px 0;
            display: flex;
            gap: 15px;
            align-items: flex-start;
        }
        
        .challenge-list i, .solution-list i {
            color: #C5A059;
            font-size: 1.2rem;
            margin-top: 3px;
        }

        /* 成果数据 */
        .results-section {
            margin: 80px 0;
            text-align: center;
        }
        
        .results-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-top: 50px;
        }
        
        .result-card {
            background: rgba(20,44,70,0.3);
            backdrop-filter: blur(5px);
            border: 1px solid rgba(197,160,89,0.1);
            padding: 40px 20px;
            transition: 0.3s;
        }
        
        .result-card:hover {
            border-color: #C5A059;
            transform: translateY(-5px);
        }
        
        .result-card .number {
            font-size: 3rem;
            font-weight: 700;
            color: #C5A059;
            line-height: 1.2;
        }
        
        .result-card .label {
            font-size: 1rem;
            color: #ffffff;
            margin: 10px 0;
        }
        
        .result-card .desc {
            color: #B0C9E0;
            font-size: 0.9rem;
        }

        /* 技术栈 */
        .tech-section {
            margin: 80px 0;
        }
        
        .tech-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }
        
        .tech-item {
            background: rgba(20,44,70,0.3);
            border: 1px solid rgba(197,160,89,0.1);
            padding: 30px;
            text-align: center;
            transition: 0.3s;
        }
        
        .tech-item:hover {
            border-color: #C5A059;
        }
        
        .tech-item i {
            font-size: 2.5rem;
            color: #C5A059;
            margin-bottom: 15px;
        }
        
        .tech-item span {
            display: block;
            color: #ffffff;
            font-size: 1rem;
        }

        /* 客户评价 */
        .testimonial-section {
            margin: 80px 0;
            background: linear-gradient(145deg, #0C2640, #0A1F35);
            border: 1px solid #C5A059;
            padding: 60px;
            border-radius: 20px;
        }
        
        .testimonial-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        
        .testimonial-content i {
            font-size: 3rem;
            color: #C5A059;
            margin-bottom: 20px;
            opacity: 0.5;
        }
        
        .testimonial-text {
            font-size: 1.3rem;
            color: #ffffff;
            line-height: 1.8;
            margin-bottom: 30px;
            font-family: 'Noto Serif SC', serif;
        }
        
        .testimonial-author {
            font-size: 1.1rem;
            color: #C5A059;
        }
        
        .testimonial-position {
            color: #B0C9E0;
            font-size: 0.9rem;
        }

        /* 相关案例 */
        .related-section {
            margin: 100px 0;
        }
        
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }
        
        .related-card {
            background: rgba(15,42,66,0.5);
            border: 1px solid rgba(197,160,89,0.1);
            overflow: hidden;
            transition: 0.3s;
            text-decoration: none;
        }
        
        .related-card:hover {
            border-color: #C5A059;
            transform: translateY(-5px);
        }
        
        .related-image {
            height: 150px;
            background: #1C4268;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: #C5A059;
        }
        
        .related-content {
            padding: 25px;
        }
        
        .related-content h4 {
            font-size: 1.3rem;
            color: #ffffff;
            margin-bottom: 10px;
        }
        
        .related-content p {
            color: #B0C9E0;
            font-size: 0.9rem;
            margin-bottom: 15px;
        }
        
        .related-link {
            color: #C5A059;
            font-size: 0.9rem;
        }
        
        .related-link i {
            transition: 0.3s;
        }
        
        .related-card:hover .related-link i {
            margin-left: 5px;
        }/* ===== 案例统计 ===== */
        .case-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin: 60px 0;
        }
        
        .stat-card {
            background: rgba(20,44,70,0.3);
            backdrop-filter: blur(5px);
            border: 1px solid rgba(197,160,89,0.1);
            padding: 30px;
            text-align: center;
            transition: 0.3s;
        }
        
        .stat-card:hover {
            border-color: #C5A059;
            transform: translateY(-5px);
        }
        
        .stat-card .number {
            font-size: 3rem;
            font-weight: 700;
            color: #C5A059;
            line-height: 1.2;
        }
        
        .stat-card .label {
            font-size: 1rem;
            color: #ffffff;
            margin: 10px 0 5px;
        }
        
        .stat-card .desc {
            color: #B0C9E0;
            font-size: 0.9rem;
        }

        /* ===== 案例筛选 ===== */
        .case-filter {
            margin: 40px 0;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px;
        }
        
        .filter-btn {
            background: transparent;
            border: 1px solid rgba(197, 160, 89, 0.3);
            color: #C5A059;
            padding: 10px 25px;
            font-size: 0.95rem;
            cursor: pointer;
            transition: 0.3s;
            border-radius: 30px;
        }
        
        .filter-btn:hover, .filter-btn.active {
            background: #C5A059;
            color: #0A1A2F;
            border-color: #C5A059;
        }

        /* ===== 案例网格 ===== */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin: 50px 0;
        }
        
        .case-card {
            background: rgba(15,42,66,0.5);
            backdrop-filter: blur(5px);
            border: 1px solid rgba(197, 160, 89, 0.1);
            overflow: hidden;
            transition: 0.3s;
            text-decoration: none;
            display: block;
        }
        
        .case-card:hover {
            border-color: #C5A059;
            transform: translateY(-10px);
        }
        
        .case-image {
            height: 200px;
            background: #1C4268;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            color: #C5A059;
            border-bottom: 1px solid rgba(197, 160, 89, 0.1);
            overflow: hidden;
            
        }
        
        .case-image img{
            max-width: 90%;  /* 响应式宽度 */
            max-height: 90%; /* 防止高度溢出容器 */
            object-fit: contain; /* 确保图片完整显示且不被拉伸 */
        }
        
        .case-content {
            padding: 30px;
        }
        
        .case-category {
            display: inline-block;
            background: rgba(197, 160, 89, 0.1);
            border: 1px solid rgba(197, 160, 89, 0.3);
            padding: 4px 15px;
            font-size: 0.8rem;
            color: #C5A059;
            margin-bottom: 15px;
        }
        
        .case-content h3 {
            font-size: 1.5rem;
            color: #ffffff;
            margin-bottom: 15px;
            line-height: 1.4;
        }
        
        .case-desc {
            color: #B0C9E0;
            font-size: 0.95rem;
            margin-bottom: 20px;
            line-height: 1.7;
        }
        
        .case-metrics {
            display: flex;
            gap: 25px;
            margin: 20px 0;
            padding-top: 20px;
            border-top: 1px solid rgba(197, 160, 89, 0.1);
        }
        
        .metric {
            text-align: center;
        }
        
        .metric .number {
            display: block;
            font-size: 1.5rem;
            font-weight: 700;
            color: #C5A059;
        }
        
        .metric .label {
            font-size: 0.8rem;
            color: #B0C9E0;
        }
        
        .case-link {
            color: #C5A059;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .case-link i {
            transition: 0.3s;
        }
        
        .case-card:hover .case-link i {
            transform: translateX(5px);
        }

        /* ===== 分页 ===== */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            margin: 60px 0 80px;
        }
        
        .page-item {
            width: 45px;
            height: 45px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(20,44,70,0.3);
            border: 1px solid rgba(197,160,89,0.1);
            color: #B0C9E0;
            text-decoration: none;
            transition: 0.3s;
        }
        
        .page-item:hover, .page-item.active {
            background: #C5A059;
            color: #0A1A2F;
            border-color: #C5A059;
        }
        
        .page-dots {
            color: #B0C9E0;
            margin: 0 5px;
        }

        /* ===== CTA区域 ===== */
        .case-cta {
            background: linear-gradient(145deg, #0C2640, #0A1F35);
            border: 1px solid #C5A059;
            padding: 60px;
            margin: 80px 0;
            text-align: center;
            border-radius: 20px;
        }
        
        .case-cta h2 {
            font-size: 2.2rem;
            color: #ffffff;
            margin-bottom: 20px;
        }
        
        .case-cta p {
            font-size: 1.2rem;
            color: #B0C9E0;
            margin-bottom: 30px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .cta-btn {
            background: #C5A059;
            border: none;
            color: #0A1A2F;
            padding: 16px 50px;
            font-size: 1.1rem;
            font-weight: 500;
            cursor: pointer;
            transition: 0.3s;
            border-radius: 5px;
        }
        
        .cta-btn:hover {
            background: #dbb468;
            transform: translateY(-3px);
            box-shadow: 0 10px 30px -10px #C5A059;
        }