ul {
  margin: 0px;
  padding: 0px;
}
.color-blue {
  color: #28a7e1;
}
.color-gray {
  color: #999999;
}
.thumbnail {
  border: 1px solid #ffffff;
  transition: all 0.5s;
}
.thumbnail p {
  line-height: 40px;
}
body {
  position: relative;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
}
#btn {
  width: 180px;
  height: 60px;
  border-radius: 40px;
  background-color: rgba(67, 156, 196, 0.6);
  color: #ffffff;
  border: none;
  font-size: 1.2em;
  line-height: 50px;
  margin-top: 60px;
  border: 1px solid #ffffff;
}
#btn a {
  color: #ffffff;
}
.banner {
  width: 100%;
  height: 380px;
  background: url("../images/about-banner.png") repeat;
  background-size: cover;
/*  background-position: -430px -200px;*/
}
.main {
  margin-top: 50px;
  height: auto;
  margin-bottom: 50px;
}
.main .row {
  width: 100%;
  padding: 0px;
}
.main .row .col-md-3 .media-heading {
  line-height: 40px;
}
.main .row .col-md-3 .list-group {
  width: 100%;
  margin-top: 20px;
}
.main .row .col-md-3 .list-group .list-group-item {
  height: 60px;
  font-size: 1.2em;
  width: 100%;
}
.main .row .col-md-3 .list-group .list-group-item img {
  width: 30px;
  height: 30px;
  margin-right: 10px;
}
.main .row .col-md-3 .list-group .list-group-item span {
  line-height: 40px;
}
.main .row .col-md-3 .list-group .list-group-item .pull-right {
  color: #ffffff;
}
.main .row .col-md-3 .list-group .active1,
.main .row .col-md-3 .list-group .list-group-item:focus,
.main .row .col-md-3 .list-group .list-group-item:hover {
  z-index: 2;
  color: #fff;
  background-color: #28a7e1;
}
.main .row .col-md-9 {
  padding-left: 50px;
  height: auto;
  overflow: hidden;
}
.main .row .col-md-9 .media-heading {
  line-height: 40px;
}
.main .row .col-md-9 .title-small {
  font-size: 1.1em;
}
.main .row .col-md-9 .mb-main {
  width: 100%;
}
.main .row .col-md-9 .mb-main p {
  margin-top: 20px;
  margin-bottom: 20px;
  font-size: 1em;
  text-indent: 2.6em;
  color: #999999;
  line-height: 25px;
}
.main .row .col-md-9 .mb-main p:nth-child(1) {
  margin-top: 50px;
}
.main .row .col-md-9 .mb-main img {
  display: block;
  margin: 0px auto;
}
.main .row .col-md-9 .mb-main #me-drop {
  width: 40px;
  height: 40px;
  cursor: pointer;
}
.main .row .col-md-9 #me-quanlity ol li {
  line-height: 30px;
  color: #777777;
  font-size: 1.1em;
}
.main .row .col-md-9 #me-materiel img,
.main .row .col-md-9 #me-techno img {
  margin-top: 30px;
  z-index: 999;
}
.main .row .col-md-9 #me-materiel img:visited,
.main .row .col-md-9 #me-techno img:visited {
  transform: scale(1.2, 1.2);
}
.main .row .col-md-9 #me-materiel .me-slogan {
  line-height: 25px;
  color: #999999;
  margin-top: 15px;
}
.main .row .col-md-9 #me-materiel .mb-main h4 {
  margin: 20px 0px;
}
.main .row .col-md-9 #me-materiel .mb-main ul {
  width: 100%;
}
.main .row .col-md-9 #me-materiel .mb-main ul li {
  width: 46%;
  display: inline-block;
}
.main .row .col-md-9 #me-materiel .mb-main ul li img {
  width: 100%;
  height: 246px;
  box-shadow: 2px 2px 2px #e1e1e1;
}
.main .row .col-md-9 #me-materiel .mb-main ul li:nth-child(odd) {
  margin-right: 4%;
}
.main .row .col-md-9 #me-materiel .mb-main ul li:last-child img {
  width: 70% !important;
  margin-left: 15% !important;
}
.main .row .col-md-9 #me-mach .media-heading {
  text-align: left;
}
.main .row .col-md-9 #me-mach img {
 
}
.main .row .col-md-9 #me-mach .thumbnail:hover {
  border: 1px solid #dddddd;
}
.main .row .col-md-9 #me-mach {
  color: #7a7a7a;
  text-align: center;
}
.main .row .col-md-9 #me-mach h3 {
  font-size: 1.3em;
}
.main .row .col-md-9 #me-mach .pagination li a {
  margin-right: 10px !important;
  border: 1px solid #b6bcc1 !important;
  color: #7f8c97;
  border-radius: 10%;
}
.main .row .col-md-9 #me-mach .pagination li a.active {
  color: #ffffff !important;
  background-color: #28a7e1 !important;
}
.main .row .col-md-9 #me-mach .thumbnail {
  position: relative;
  top: 0px;
  bottom: 0px;
  left: 0px;
  right: 0px;
  transition: all 0.5s;
  z-index: 9;
}
.main .row .col-md-9 #me-hezuo .color-blue {
  margin-bottom: 20px !important;
}
.main .row .col-md-9 #me-hezuo .row {
  margin-top: 20px;
}
.main .row .col-md-9 #me-hezuo .row .col-md-3 img {
  height: 60px;
  width:180px;
}
/*当屏幕尺寸小于800px时，应用下面的CSS样式*/
@media screen and (max-width: 500px) {
  body {
    position: relative;
  }
  .banner {
    height: 250px;
  }
  .main .col-md-3 .media-heading {
    float: left;
    color: #666666 !important;
  }
  .main .col-md-3 .list-group {
    width: 100%;
    padding: 0px !important;
  }
  .main .col-md-3 .list-group a {
    padding: 0px;
    padding-right: 6px !important;
    text-align: center;
    height: 50px !important;
    float: left;
    width: 33% !important;
    border-radius: 4px;
  }
  .main .col-md-3 .list-group a img {
    width: 20px !important;
    height: 20px !important;
  }
  .main .col-md-3 .list-group a span {
    font-size: 0.8em;
    line-height: 50px !important;
  }
  .main .col-md-3 .list-group a span.pull-right {
    display: none;
    margin-left: -5px;
  }
  .main .col-md-3 .list-group .list-group-item {
    border: 1px solid #ffffff;
  }
  .main .col-md-3 .list-group .active1 {
    border-bottom: 1px solid #28a7e1 !important;
  }
  .main .col-md-9 {
    padding: 15px !important;
  }
  .main .col-md-9 #me-quanlity .mb-main p {
    font-size: 0.9em;
    margin-top: 0px;
    letter-spacing: 0.5px;
  }
  .main .col-md-9 #me-materiel ul {
    width: 100%;
  }
  .main .col-md-9 #me-materiel ul li {
    width: 100% !important;
    line-height: 25px;
  }
  .main .col-md-9 #me-materiel .thumbnail img:hover {
    transform: scale(1.3, 1.3);
    -webkit-transform: scale(1.3, 1.3);
    -ms-transform: scale(1.3, 1.3);
    z-index: 9999;
  }
  .main .col-md-9 #me-mach {
    width: 100%;
    text-align: left;
  }
  .main .col-md-9 #me-mach .col-md-4 {
    padding: 0px !important;
  }
  .main .col-md-9 #me-mach .col-md-4 .thumbnail {
    padding: 0px !important;
  }
  .main .col-md-9 #me-mach .col-md-4 .thumbnail img {
    height: 120px ;
    width: 100%;
  }
  .main .col-md-9 #me-techno .row {
    margin-left: 0%;
  }
  .main .col-md-9 #me-techno #displayimg {
    transform: scale(1.2, 1.2);
    -webkit-transform: scale(1.2, 1.2);
    -moz-transform: scale(1.2, 1.2);
  }
  .main .col-md-9 #me-hezuo .row {
    margin-left: 0%;
  }
  .main .col-md-9 #me-hezuo .row .col-xs-4 img {
    height: 35px !important;
  }
  .main .col-sm-12 {
    margin-left: 4%;
    padding: 0px;
  }
}