.ppt-card {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .ppt-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #f1f1f1; 
        }
        ::-webkit-scrollbar-thumb {
            background: #cbd5e1; 
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #94a3b8; 
        }
        .contact-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            flex-shrink: 0;
        }
        .map-container {
            position: relative;
            overflow: hidden;
            border-radius: 10px;
        }
        .map-container iframe {
            width: 100%;
            height: 400px;
            border: 0;
            filter: grayscale(20%);
        }
        
/*分页 begin*/
.pagination li {margin:0 5px;font-size:14px;border:none;border-radius:4px;list-style: none;}
.pagination li a {border-radius:4px;color:#6e6e6e;background:#fff;padding:12px 16px;border:1px solid #DCDCDC;list-style: none;}
/* .pagination li i {font-weight:bold;font-size:18px;padding:0 3px} */
.pagination li.active a,.pagination li a:hover {background:#ff9600;color:#fff;border:1px solid #ff9600;list-style: none;}
/*分页 end*/