.sp1 {
  background: url(../images/sp1.png) no-repeat;
}
.hover:hover {
  opacity: 0.9;
}
.ico_info {
  background: url(../images/sp1.png) no-repeat;
  margin-right: 10px;
  width: 14px;
  height: 14px;
  display: inline-block;
  vertical-align: middle;
}
.ico_info.ico_word {
  background-position: -174px 0;
}
.ico_info.ico_ppt {
  background-position: -214px 0;
}
.ico_info.ico_excel {
  background-position: -194px 0;
}
.ico_info.ico_pdf {
  background-position: -212px -118px;
}
.ico_info.ico_txt {
  background-position: -232px -118px;
}
.ico_download {
  background: url(../images/sp1.png) no-repeat;
  float: right;
  margin-top: 8px;
  width: 15px;
  height: 15px;
  background-position: -234px 0;
  display: inline-block;
  vertical-align: middle;
}
.ico_downhover {
  background-position: -255px 0;
}
.ico_web.btn_sina i {
  background-position: 0 -92px;
}
.ico_web.btn_sina:hover i {
  background-position: 0 -110px;
}
.ico_web.btn_wx i {
  background-position: -23px -93px;
}
.ico_web.btn_wx:hover i {
  background-position: -23px -111px;
}
.ico_web.btn_qq i {
  background-position: -44px -93px;
}
.ico_web.btn_qq:hover i {
  background-position: -44px -111px;
}
.ico_web i {
  background: url(../images/sp1.png) no-repeat;
  margin-right: 5px;
  width: 17px;
  height: 15px;
  display: inline-block;
  vertical-align: middle;
}
.input {
  height: 40px;
  border: 1px solid #e5e5e5;
  outline: 0;
  line-height: 38px;
  font-size: inherit;
  display: block;
}
.input:focus {
  border: 1px solid #2187cf;
}
.input::placeholder {
  color: #999999;
}
.btn_bg {
  background: #2187cf;
  border: 0;
  outline: 0;
  color: #ffffff;
  font-size: 16px;
  line-height: 40px;
  text-align: center;
  display: block;
}
.btn_bg:hover {
  opacity: 0.9;
}
.btn_color:hover {
  color: #2187cf;
}
.btn_text:hover {
  text-decoration: underline;
}
.bg {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.rudiment_bj {
  height: 352px;
  width: 100%;
}
.rudiment_bj img {
  width: 100%;
  height: 100%;
}
.con {
  border: 1px solid #e5e5e5;
  margin-top: 40px;
}
.con .new_zhuce {
  display: block;
  margin: 40px auto;
}
.con h1 {
  padding-left: 160px;
  font-weight: 100;
  color: #666666;
  font-size: 16px;
  width: 880px;
  line-height: 28px;
}
.con .img {
  display: block;
  padding: 30px 0 30px 0;
  margin: 0 auto;
}