@media screen and (max-width: 500px) { 
  .block1 { width:100%; margin-left: 0;}
}
.block3 .flexW,.block2{margin-bottom:30px;}
.block3 { margin-bottom: 5.20833%; }

@media screen and (max-width: 875px) { .block3 { margin-bottom: 40px; } }

.block3 .flexW { display: -webkit-box; display: -ms-flexbox; display: flex; -ms-flex-wrap: wrap; flex-wrap: wrap; border: 1px solid #E5E5E5; }

.block3 .item { width: 25%; border-right: 1px solid #E5E5E5; -moz-box-sizing: border-box; -webkit-box-sizing: border-box; -o-box-sizing: border-box; -ms-box-sizing: border-box; box-sizing: border-box; text-align: center; padding: 2.60417%; }

.block3 .item:last-child { border-right: 0; }

.block3 .imgW { max-width: 70px; display: inline-block; }

.block3 .num { font-size: 30px; font-weight: bold; color: #000; }

.block3 .tit { color: #333; font-size: 20px; }

@media screen and (max-width: 875px) { .block3 { margin-top: 30px; }
  .block3 .flexW { border-bottom: 0; }
  .block3 .item { width: 50%; border-bottom: 1px solid #e5e5e5; } }
  
  .col3 li{width:32%!important;}