.indexForm{background: #fff;padding: 20px 0;overflow: hidden; border-top: #e8e8e8 solid 1px;}
.indexForm .txt{ color: #191c22; font-size: 20px; line-height: 50px;}
.indexForm .btnGroup{margin: 0 auto;}
.indexForm .btnGroup li{ width: 160px;position: relative;margin: 10px auto;}
.indexForm .btnGroup li a{ display: block; position: absolute; width: 100%; line-height: 50px; font-size: 16px; color: #fff;top: 35%;left: 0;text-align: center;}
.indexForm .btnGroup li a:hover{color: #2A8C8C; }

.indexForm .btnGroup li img{display: block;width: 100%;}
/* .indexForm .btnGroup li:nth-child(2) a:before{ content: ''; position: absolute; right:20px; top: 0; margin-top: 15px; width: 25px; height: 25px; background: url(../img/nimg25_5.png) center no-repeat; background-size: 25px; }
.indexForm .btnGroup li:nth-child(2) a:hover:before{ background: url(../img/nimg25_5on.png) center no-repeat; background-size: 25px;} */
.indexForm .btnGroup li:nth-child(1) a:before{ content: ''; position: absolute; right: 20px; top: 0; margin-top: 20px; width: 17px; height: 7px; background: url(../img/nimg17_1on.png) center no-repeat; background-size: 17px; }
.indexForm .btnGroup li:nth-child(1) a:hover:before{ background: url(../img/nimg17_1.png) center no-repeat; background-size: 17px;}