.de_two{ width: 100%; overflow: hidden; margin: 15px 0; }
.de_two li{ float: left; width: 49%; text-align: center; margin-right: 2%; }
.de_two li:last-child{ margin-right: 0; }
.de_two li:hover .changpic img{ transform: scale(1.15); }
.de_two li p{ margin-top: 15px; }

.de_three{ margin: 15px 0; width: 100%; overflow: hidden; }
.de_three li{ width: 32%; margin-right: 2%; text-align: center; float: left; }
.de_three li:last-child{ margin-right: 0; }
.de_three li:hover .changpic img{ transform: scale(1.15); }
.de_three li p{ margin-top: 15px; }

.de_four{ width: 100%; overflow: hidden; margin: 15px 0;}
.de_four li{ float: left; width: 24.2%; margin-right: 1%; text-align: center; }
.de_four li:last-child{ margin-right: 0; }
.de_four li:hover .changpic img{ transform: scale(1.15); }
.de_four li p{ margin-top: 15px; }

.de_dblr{ margin: 15px; width: 100%; overflow: hidden; }
.ded_le{ float: left; width: 40%; }
.ded_ri{ float: right; width: 58%; }
.ded_ri p{ line-height: 25px; }

@media screen and (max-width:480px){
.de_two li,.de_three li,.de_four li{ float: none; width: 100%; margin-right: 0; margin-bottom: 15px; }
.de_two li p,.de_three li p,.de_four li p{ margin-top: 8px; }
.ded_le{ width: 100%; float: none; }
.ded_ri{ width: 100%; float: none; margin-top: 8px; }
}