* {
  padding: 0;
  margin: 0;
}
body {
  font-family: "PingFang SC", "微软雅黑";
  background: #f2f2f2;
  color: #171717;
}
li {
  list-style: none;
}
a img {
  border: none;
}
input[type="button"] {
  cursor: pointer;
}
a {
  text-decoration: none;
  cursor: pointer;
  color: #171717;
}
a:focus {
  outline: none;
}
button {
  border: none;
  cursor: pointer;
}
a,
input,
button {
  outline: none;
}
.an {
  cursor: pointer;
  display: inline-block;
  background: #171717;
  color: #FFF;
  padding: 0 3.5em;
  text-align: center;
  line-height: 36px;
  font-size: 15px;
  white-space: nowrap;
}
.an + .an {
  margin-left: 30px;
}
.an2 {
  color: #ffdd8a;
}
.clearfix:before,
.clearfix:after {
  content: "";
  display: table;
}
.clearfix:after {
  clear: both;
}
.clearfix {
  *zoom: 1;
  /*IE/7/6*/
}
.boxK {
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
.w {
  margin: 0 auto;
  width: 1200px;
  padding: 0 20px;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
.left {
  float: left;
}
.right {
  float: right;
}
.cent {
  text-align: center;
}
.bgcol {
  background: #171717;
}
.textback {
  color: #171717;
}
.textgray {
  color: #8f909b;
}
.gray {
  color: #8f909b;
}
.red {
  color: #da1c28;
}
.yellow {
  color: #ffdd8a;
}
.green {
  color: #50aa1e;
}
.black {
  color: #171717;
}
.font13 {
  font-size: 13px;
}
.font15 {
  font-size: 15px;
}
.font30 {
  font-size: 30px;
}
.img100 {
  width: 100%;
}
.check {
  cursor: pointer;
}
.check input[type="checkbox"],
.check input[type="radio"] {
  width: 0;
  visibility: hidden;
}
.check span {
  padding-left: 30px;
  height: 20px;
  line-height: 20px;
  display: inline-block;
}
.check input[type="checkbox"] + span {
  background: url(../images/check.png) no-repeat left top;
}
.check input[type="radio"] + span {
  background: url(../images/radio.png) no-repeat left top;
}
.check input:checked + span {
  background-position: left bottom;
}
.tan {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 11;
  background: rgba(0, 0, 0, 0.6);
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-align-items: center;
  align-items: center;
}
.tan .tan_main {
  background: #FFF;
  min-width: 680px;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  text-align: center;
  padding: 60px 50px 90px;
}
.tan .tan_tit {
  font-size: 24px;
  margin-bottom: 50px;
}
.tan .tan_nr {
  font-size: 13px;
  color: #8f909b;
  line-height: 2;
  margin-bottom: 40px;
}
.tan .anD {
  margin-bottom: 20px;
}
.tan .a1 {
  color: #171717;
  font-size: 15px;
}
.tan .marg + .marg {
  margin-left: 3em;
}
.tan .erwei {
  width: 180px;
  height: 180px;
  margin-bottom: 30px;
}
.tan .erwei + .erwei {
  margin-left: 60px;
}
.tan .dis {
  font-size: 13px;
  color: #8f909b;
  line-height: 2;
}
.tan .font15 {
  font-size: 15px;
}

.tan:after{
  content: "";
  position: absolute;
  background: url('../images/close2.png') no-repeat;
  width: 40px;
  height: 40px;
  background-size: 100%;
  right: 260px;
  top: 100px;
  cursor: pointer;
}