.solution-header {
            padding: 20px 40px;
            background: #fff;
        }
        .solution-header-content {
            display: grid;
            grid-template-columns: 3fr 2fr;
            gap: 30px;
            align-items: center;
        }
        .solution-header-content .tit{
            display: flex;
            align-items: center;
            font-size: 18px;
            font-weight: 550;
        }
        .solution-header-content .tit img{
            width: 42px;
            height: 29px;
            margin: 0!important;
        }
        .solution-header-content .tit span {
            line-height: 3;
        }
        .solution-header h1 {
            font-size: 36px;
            color: #295b9e;
            margin-bottom: 20px;
            font-weight: 550;
            line-height: 1;
        }
        .solution-header h2 {
            font-size: 36px;
            color: #666;
            padding-bottom: 20px;
            margin-bottom: 10px;
            font-weight: 550;
            line-height: 1;
            border-bottom:1px solid #666;
        }
        .solution-header-text {
            font-size: 16px;
            color: #666;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .solution-header-image {
            width: 100%;
            height: 550px;
            background: #f3f4f6;
            position: relative;
            overflow: hidden;
        }
        .solution-header-slides {
            width: 100%;
            height: 100%;
            position: relative;
        }
        .solution-header-slide {
            position: absolute;
            inset: 0;
            opacity: 0;
            transition: opacity .6s ease;
        }
        .solution-header-slide.active { opacity: 1; }
        .carousel-indicators {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-top: 20px;
        }
        .indicator {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #e5e7eb;
            cursor: pointer;
        }
        .indicator.active {
            background: #f1c41c;
        }
        .problems-section {
            padding: 80px 40px 120px;
            background: #2d3748;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .problems-content {
            position: relative;
            z-index: 2;
            max-width: 1600px;
            margin: 0 auto;
        }
        .problem-card-info{
            width: 100%;
            display: block;
            position: relative;
            padding: 20px;
            text-align: left;
            background: linear-gradient(to right, #ffffff, #fbedb9);
        }
        .problems-title {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 50px;
            flex-wrap: wrap;
        }
        .problems-title-icon {
            width: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .problems-title h3 {
            font-size: 18px;
            color: #f1c41c;
            margin-right: 20px;
            font-weight: 550;
        }
        .problems-title h2 {
            font-size: 36px;
            color: #fff;
            width: 100%;
            font-weight: 550;
        }
        .problems-title h4 {
            font-size: 32px;
            color: #f1c41c;
            width: 100%;
            font-weight: 550;
        }
        .problems-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
        }
        .problem-card {
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(10px);
            padding: 0;
            text-align: center;
            transition: all 0.6s ease;
            transform: translateY(20px);
            opacity: 0;
            position: relative;
        }
        .problem-card:hover {
            background: rgba(255,255,255,0.15);
            transform: translateY(-4px);
        }
        .problem-card.revealed {
            transform: translateY(0);
            opacity: 1;
        }
        .problem-number {
            font-size: 80px;
            font-weight: 300;
            color: #f1c41c;
            margin-bottom: 20px;
            line-height: 1;
            position: absolute;
            right:10px;
            top: 50%;
            transform: translateY(-50%);
        }
        .problem-icon {
            width: 100%;
            height: auto;
            margin: 0 auto;
        }
        .problem-card h4 {
            font-size: 18px;
            color: #333;
            margin-bottom: 12px;
            width: 65%;
        }
        .problem-card p {
            font-size: 14px;
            color: #333;
            line-height: 1.6;
            width: 65%;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .solution-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
            flex-wrap: wrap;
        }
        .solution_card {
            /*display: flex;*/
            /*gap: 30px;*/
            /*align-items: center;*/
        }
        .solution_card .solution_card_title{
            display: flex;
            align-items: center;
            font-size: 18px;
            font-weight: 550;
            background: #f3f4f6;
            justify-content: space-between;
            padding: 20px;
            color: #295b9e;
            
        }
        .solution_card .solution_card_title span {
            background: #f1c41c;
            color:#fff;
            font-size: 14px;
            padding:3px 15px;
            transition: all 0.3s ease;
        }
        .solution_card .solution_card_title span:hover {
                transform: translateX(4px);
        }
        .solution_card .solution_card_con img{
            width: 100%;
            height: 100%;
            object-fit: cover;
            margin: 0;
        }
        
        
        
        @media (max-width: 992px) {
            .problems-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .problems-cards::before { top: 95px; }
        }
        .highlights-section {
            padding: 80px 40px;
            background: #fff;
        }
        .highlights-content {
            max-width: 1200px;
            margin: 0 auto;
        }
        .highlights-title-icon {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: flex-start;
            color: #f1c41c;
            font-size: 18px;
            font-weight: 550;
        }
        .highlights-title {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 50px;
            flex-wrap: wrap;
        }
        .highlights-title h2 { 
            font-size: 36px;
        }
        .highlights-title h2 span{
            color: #f1c41c;
        }
        .highlights-grid {
            display: flex;
            gap: 30px;
            overflow-x: auto;
            scroll-behavior: smooth;
            padding-bottom: 8px;
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .highlights-grid::-webkit-scrollbar { display: none; }
        /* 显示3卡：计算宽度 = (100% - 2*gap)/3 */
        .highlight-column { flex: 0 0 calc((100% - 60px) / 3); }
        .highlight-column {
            background: linear-gradient(to right, #ffffff, #fbedb9);
            padding: 30px;
            border: 1px solid #e5e7eb;
        }
        .highlight-column p {
            font-size: 14px;
            line-height: 2.5;
        }
        .highlight-column p span {
            font-size: 16px;
            display: block;
            font-weight: 600;
        }
        .related-products-section {
            padding: 80px 40px;
            background: #2d3748 url(../images/rele_bg.jpg) no-repeat;
            background-size: cover;
        }
        .related-products-content {
            max-width: 1600px;
            margin: 0 auto;
        }
        .related-products-title {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 50px;
            color: #fff;
            flex-wrap: wrap;
        }
        .related-products-grid {
            display: flex;
            gap: 30px;
            overflow-x: auto;
            scroll-behavior: smooth;
            padding-bottom: 8px;
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .related-products-grid::-webkit-scrollbar { display: none; }
        .related-product-card { flex: 0 0 calc((100% - 60px) / 3); }
        .related-product-card {
            background: #fff;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .related-product-image {
            width: 100%;
            height: 0;
            padding-bottom: 80%;
            background: #fff;
            overflow: hidden;
        }
        .related-product-image img {
            margin: 10px;
            width: calc(100% - 20px);
        }
        .related-product-info {
            padding: 20px;
            border-top: 1px solid #333;
        }
        .related-products-title h3 {
            font-weight: 550;
            color: #f1c41c;
        }
        .related-products-title h2 {
            width: 100%;
            font-weight: 550;
            font-size: 36px; 
            width: 100%;
        }
        .related-products-title h2 span{
            color:#f1c41c;
        }
        .related-product-info h4 {
            font-size: 18px;
            color: #1f2937;
            margin-bottom: 12px;
        }
        .related-product-info p {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
            margin-bottom: 20px;
        }
        .related-cases-section {
            padding: 80px 40px;
            background: #fff;
        }
        .related-cases-content {
            max-width: 1200px;
            margin: 0 auto;
        }
        .related-cases-track {
            position: relative;
            width: 100%;
            overflow: hidden;
        }
        .related-cases-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            min-width: 100%;
        }
        .related-cases-wrapper {
            display: flex;
            transition: transform .5s ease;
            will-change: transform;
        }
        .related-case-image {
            width: 100%;
            height: 300px;
            background: #f3f4f6;
            border-radius: 8px;
        }
        .related-case-content h4 {
            font-size: 24px;
            color: #1f2937;
            margin-bottom: 20px;
        }
        .related-case-content p {
            font-size: 16px;
            color: #666;
            line-height: 1.8;
            margin-bottom: 30px;
        }
        .related-cases-title h3 {
            font-weight: 500;
            color: #f1c41c;
        }
        .related-cases-title h2 {
            width: 100%;
            font-weight: 500;
            font-size: 32px; 
            width: 100%;
        }
        .related-cases-title h2 span{
            color:#f1c41c;
        }
        @media (max-width: 768px) {
            .solution-header {
                padding: 40px 20px;
            }
            
            .solution-header h1 {
                font-size: 28px;
            }
            
            .solution-header h2 {
                font-size: 18px;
            }
            
            .solution-header-image {
                height: 250px;
            }
            .solution-header-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .problems-title {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .problems-title h3 {
                margin-right: 0;
            }
            
            .problems-title h2 {
                font-size: 24px;
            }
            
            .highlight-column {
                min-width: 280px;
            }
            
            .related-cases-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            
            .related-case-image {
                height: 350px;
                border-radius: 0;
                overflow: hidden;
            }
        }