* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

li {
  list-style: none;
}

a:hover {
  cursor: pointer;
}

a {
  text-decoration: none;
}

body {

}

.w {
  width: 1200px;
  margin: 0 auto;
}

header nav {
  height: 100px;
  line-height: 100px;
  /*background-color: green;*/
  /*font-weight: 400;*/
  border-bottom: 1px solid #cccccc;
}

header nav ul {
  /*margin-left: 50%;*/
}

header nav li {
  float: left;
  margin-left: 20px;
}

header nav li:hover {

}

header nav li a {
  color: #595959;
  font-size: 20px;
  padding: 0 20px 0 20px;
}

header nav li a:hover {
  color: #1e94ff;
}

.banner .banner-img img {
  width: 100%;
  height: 500px;
}

.intro {
  margin-top: 100px;
}

.intro h2 {
  position: relative;
  text-align: center;
}

.intro h2 span {
  display: inline-block;
  width: 100px;
}

.intro h2 span::after {
  position: absolute;
  content: "";
  display: block;
  /*width: 110px;*/
  width: 100%;
  left: 50%;
  bottom: -5px;
  transform: translateX(-50%);
  border-bottom: 1px solid #DDDDDD;
}

.text {
  color: #595959;
  margin-top: 30px;
  font-size: 14px;
  line-height: 25px;
}

.text p {
  text-indent: 30px;
  margin-top: 10px;
}

.services {
  margin-top: 100px;
  height: 400px;
}

.services h2 {
  position: relative;
  text-align: center;
}

.services h2 span {
  display: inline-block;
  width: 100px;
}

.services h2 span::after {
  position: absolute;
  content: "";
  display: block;
  width: 100%;
  left: 50%;
  bottom: -5px;
  transform: translateX(-50%);
  border-bottom: 1px solid #DDDDDD;
}

.services-list {
  margin-top: 30px;
}



.services-list ul li {
  float: left;
  width: 33.33%;
  height: 300px;
  text-align: center;
}

.services-list img {
  width: 150px;
  margin-top: 10px;
  border-radius: 75px;
}

.footer {
  width: 100%;
  height: 100px;
  line-height: 100px;
  text-align: center;
  border-top: 1px solid #ddd;
  overflow: hidden;
}

.footer img {
  display: inline-block;
}

.footer a {
  color: #999;
  margin-left: 1em;
  margin-right: 1em;
}