.swt19{ position: fixed; right: 0; top: 50%; margin-top: -124px; width: 270px; height: 248px; z-index: 99; }
.swt19 a{ display: block; position: absolute; top: 0; right: -120px; width: 180px; padding: 0; text-decoration: none; color: #000; padding: 0 20px 0 80px; font-size: 20px; line-height: 60px; height: 60px; overflow: hidden; background: #fff url(swt19.png) no-repeat 0 0; transition: all ease .2s; -webkit-transition: all ease .2s; -moz-transition: all ease .2s; -o-transition: all ease .2s; }
.swt19 .swt19-kefu{ top: 62px; background-position: 0 -62px; }
.swt19 .swt19-tel{ top: 124px; right: -190px; width: 250px; background-position: 0 -124px; }
.swt19 .swt19-baojia{ top: 186px; background-position: 0 -186px; }
.swt19 a:hover{ right: 0!important; }