.service {
  padding: 100px 0;
}
.section-title {
  margin-bottom: 70px;
}
.section-title h3 {
  font-family: "Microsoft YaHei";
  text-transform: uppercase;
  color: #4c4c4c;
  font-weight: 400;
  letter-spacing: 2px;
  font-size: 28px;
  line-height: 48px;
  display: inline-block;
  *display: inline;
  *zoom: 1;
  clear: both;
  position: relative;
  padding: 0 10px;
}
.section-title p {
    color: #666666;
    font-family: "Microsoft YaHei";
    font-size: 16px;
    line-height: 29px;
    margin: 0 15% 15px;
}
.section-title.st-center {
  text-align: center;
}
.section-title.st-center:before {
  margin: auto;
}
.section-title:before {
  /*content: "";*/
  display: block;
  width: 150px;
  height: 51px;
  background-image: url(../img/title-top.png);
  background-repeat: no-repeat;
}
.st-feature {
  text-align: center;
}
.st-feature .st-feature-icon {
  width: 102px;
  line-height: 100px;
  font-size: 42px;
  color: #fff;
  margin: 0 auto 20px;
  /* background-color: #ef4036; */
  background-color: #3C7EE3;
  border-radius: 50%;
  position: relative;
  -webkit-transform: rotate(0) scale(1);
      -ms-transform: rotate(0) scale(1);
          transform: rotate(0) scale(1);
  -webkit-transition: color 0.3s, border-color 0.3s, background-color 0.3s, -webkit-transform 0.3s;
          transition: color 0.3s, border-color 0.3s, background-color 0.3s, transform 0.3s;
}
.st-feature .st-feature-title {
  display: block;
  font-family: "Microsoft YaHei";
  font-size: 25px;
  line-height: 45px;
  letter-spacing: 1px;
  font-weight: 400;
  color: #3C7EE3;
  margin-bottom: 10px;
}
.st-feature:hover .st-feature-icon {
  color: #3C7EE3;
  border-color: #3C7EE3;
  background-color: transparent;
  -webkit-transform: rotate(360deg) scale(1.8);
      -ms-transform: rotate(360deg) scale(1.8);
          transform: rotate(360deg) scale(1.8);
}
.about {
  padding: 100px 0 0;
}
.call-us {
  padding: 50px 0;
  background-color: #3C7EE3;
  text-align: center;
}
.call-us h3 {
  display: inline-block;
  *display: inline;
  *zoom: 1;
  color: #fff;
  text-transform: uppercase;
  font-size: 30px;
  line-height: 45px;
  vertical-align: middle;
  margin: 0 30px 0 0;
  letter-spacing: 2px;
  word-spacing: 5px;
}
.btn {
  font-family: "Microsoft YaHei";
  font-size: 16px;
  letter-spacing: 1px;
  border-radius: 40px;
  padding: 8px 30px;
  margin-bottom: 5px;
  -webkit-transition: color 0.3s, background-color 0.3s, border-color 0.3s;
          transition: color 0.3s, background-color 0.3s, border-color 0.3s;
}
.btn.btn-lg {
  padding: 10px 35px;
  letter-spacing: 2px;
  font-size: 21px;
}
.btn.btn-sm {
  padding: 7px 20px;
  font-size: 14px;
}
.btn.btn-xs {
  padding: 5px 15px;
  font-size: 12px;
}
.btn-default {
  color: #676767;
  border-color: #e5e5e5;
}
.btn-default:hover {
  color: #fff;
  background-color: #3C7EE3;
  border-color: #3C7EE3;
}
.btn-default-o {
  color: #f2f2f2;
  border-color: #f2f2f2;
  background-color: transparent;
}
.btn-default-o:hover {
  color: #3C7EE3;
  background-color: #fff;
  border-color: #fff;
}
.btn-main-o {
  color: #3C7EE3;
  border-color: #3C7EE3;
  background-color: transparent;
}
.btn-main-o:hover {
  color: #fff;
  background-color: #3C7EE3;
  border-color: #3C7EE3;
}
.btn-dark-o {
  color: #4c4c4c;
  border-color: #4c4c4c;
  background-color: transparent;
}
.btn-dark-o:hover {
  color: #fff;
  background-color: #4c4c4c;
  border-color: #4c4c4c;
}
.btn-dark {
  color: #fff;
  background-color: #4c4c4c;
  border-color: #4c4c4c;
}
.btn-dark:hover,
.btn-dark:focus,
.btn-dark:active {
  background-color: #333333;
  border-color: #333333;
  color: #fff;
}
.btn-main {
  color: #fff;
  background-color: #3C7EE3;
  border-color: #3C7EE3;
}
.btn-main:hover,
.btn-main:focus,
.btn-main:active {
  background-color: #33b5ac;
  border-color: #33b5ac;
  color: #fff;
}
.btn-link {
  font-weight: 400;
  color: #3C7EE3;
}
.btn-link:hover,
.btn-link:focus,
.btn-link:active {
  color: #4c4c4c;
  text-decoration: none;
}
.st-feature p{font-family: "Microsoft YaHei";text-align:left;text-indent:24px;}
.btn:focus{color:#fff;background:#3C7EE3;}