/* 公共样式表css */
html,body {
  color: #333;
  margin: 0;
  font-family: "Myriad Set Pro","Helvetica Neue",Helvetica,Arial,Verdana,sans-serif;
  /* -webkit-font-smoothing: antialiased; */
  -moz-osx-font-smoothing: grayscale;
  font-weight: normal
}

* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

html, body, div, dl, dt, dd, ol, ul, li, h1, h2, h3, h4, h5, h6, p, blockquote, pre, button, fieldset, form, input, legend, textarea, th, td {
  margin: 0;
  padding: 0;
}

.clearfix::after {
  clear: both;
  content: "."; 
  display: block;
  height: 0;
  visibility: hidden;
}
.clearfix {
}

/* 必要布局样式css */
.large-content {
  height: 870px;
  /* background: url(../images/port-bg.png) no-repeat; */
  background-size: cover;
  background-position: center 50%;
  -webkit-transition: all 1s;
  -moz-transition: all 1s;
  -ms-transition: all 1s;
  -o-transition: all 1s;
  transition: all 1s;
  padding: 80px 0;
}

.large-group {
  width: 1180px;
  margin: 0 auto;
  position: relative;
  height: auto;
}

.large-header {
  font-weight: normal;
  text-align: center;
  margin-bottom: 40px;
  color: #333;
}

.large-header em {
  display: block;
  margin-bottom: 14px;
  font-style: normal;
  font-size: 30px;
}


.large-switch-circle ul {
  font-size: 16px;
  color: #333;
  text-align: center;
}

.large-switch-circle ul li {
  opacity: .8;
  cursor: pointer;
  margin: 0 20px;
  position: relative;
  display: inline-block;
}
.large-switch-circle ul  .on {
 color: #3477fd;
}

.large-switch-circle ul li:hover {
  color: #3477fd;
  opacity: 1;
}

.large-switch-circle ul .on {
  opacity: 1;
}

.large-switch-circle ul .on:after {
  content: '';
  width: 20px;
  height: 1px;
  display: inline-block;
  background: #3477fd;
  position: absolute;
  bottom: -10px;
  left: calc(50% - 10px);
  animation: bigdata-underline-grow both .3s;
}

.large-switch-middle {
  width: 1200px;
  /* background-color: #108cee; */
  margin-top: 40px;
  position: absolute;
  z-index: 1;
}

.large-switch-middle ul li {
  cursor: pointer;
  width: 270px;
  height: 300px;
  color: #333;
  overflow: hidden;
  border-radius: 5px;
  float: left;
  margin: 15px 15px auto;
  border: 1px solid #eee;
  box-shadow: 2px 2px 15px #cfcfcf;
  /* box-shadow: 0 0 128px 0 rgba(0, 0, 0, 0.05); */
  /* background-image: -webkit-linear-gradient(bottom, rgba(47, 42, 65, 0.5) 0%, #2e3d50 100%); */
  /* background-image: -webkit-linear-gradient(bottom, rgba(236, 235, 241, 0.5) 0%, #ebe8e8 100%); */
  
  /* background-image: -moz-linear-gradient(bottom, rgba(47, 42, 65, 0.5) 0%, #2e3d50 100%);
  background-image: -moz-linear-gradient(to top, rgba(47, 42, 65, 0.5) 0%, #2e3d50 100%);
  background-image: -o-linear-gradient(to top, rgba(47, 42, 65, 0.5) 0%, #2e3d50 100%);
  background-image: linear-gradient(to top, rgba(47, 42, 65, 0.5) 0%, #2e3d50 100%); */
  background-repeat: repeat;
}

.large-switch-item {
  opacity: 1;
  -webkit-transition: opacity 0.3s;
  -moz-transition: opacity 0.3s;
  -ms-transition: opacity 0.3s;
  -o-transition: opacity 0.3s;
  transition: opacity 0.3s;
}

.large-item-img {
  width: 60px;
  margin-top: -10px;
  display: block;
  text-align: center;
  height: 70px;
  margin: 0 auto;
  -webkit-transition: all 0.8s;
  -moz-transition: all 0.8s;
  -ms-transition: all 0.8s;
  -o-transition: all 0.8s;
  transition: all 0.8s;
}

.large-item-img img {
  width: 50px;
  height: 50px;
}

.large-item-title {
  position: relative;
  text-align: center;
}

.large-item-title:after {
  content: '';
  display: block;
  position: absolute;
  width: 20px;
  height: 1px;
  background: #3477fd;
  bottom: -10px;
  left: calc(50% - 10px);
}

.large-item-text {
  opacity: .4;
  height: 0;
  margin: 20px 0;
  padding: 0 20px;
  text-align: center;
  font-size: 12px;
  overflow: hidden;
  line-height: 20px;
}

.large-item-link {
  /* opacity: 0;  透明度为0时不显示出来*/
  display: block;
  width: 180px;
  margin: auto;
  color: #fff;
  font-size: 12px;
  text-align: center;
  line-height: 30px;
  background-color: #3477fd;
  border: 1px solid #3477fd;
  border-radius: 5px;
  text-decoration: none;
  cursor: pointer;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -ms-transition: all 0.3s;
  -o-transition: all 0.3s;
  transition: all 0.3s;
}

.large-switch-middle .large-item-link:hover {
  color: #fff;
  border-color: #108cee;
  background: #108cee;
  text-decoration: none;
}

.large-switch-middle .large-switch-item:hover {
  /* box-shadow: 2px 2px 15px #cfcfcf; */
  box-shadow: inset 0 0 15px rgba(174, 174, 174, 0.5);
  /* background-image: -webkit-linear-gradient(top, #406594 0%, rgba(87, 17, 118, 0.4) 100%); */
  /* background-image: -moz-linear-gradient(top, #406594 0%, rgba(87, 17, 118, 0.4) 100%);
  background-image: -moz-linear-gradient(to bottom, #406594 0%, rgba(87, 17, 118, 0.4) 100%);
  background-image: -o-linear-gradient(to bottom, #406594 0%, rgba(87, 17, 118, 0.4) 100%);
  background-image: linear-gradient(to bottom, #406594 0%, rgba(87, 17, 118, 0.4) 100%); */
  background-repeat: repeat
}

.large-switch-middle ul li:hover .large-item-img {
  height: 45px;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
  -o-transition: all 0.5s;
  transition: all 0.5s;
  margin-top: 15px;
}

.large-switch-middle .large-switch-item:hover .large-item-img img {
  width: 30px;
  height: 30px;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
  -o-transition: all 0.5s;
  transition: all 0.5s;
}

.large-switch-middle .large-switch-item:hover .large-item-text {
  height: initial;
}

.large-switch-middle .large-switch-item:hover .large-item-link {
  opacity: 1;
}

.large-switch-item .large-item-img {
  margin-top: 30px;
}

.large-switch-dx {
  position: relative;
  text-align: center;
  line-height: 212px;
}

.large-switch-middle .large-switch-item-clear:hover {

}

.large-switch {
  width: 100%;
}