@charset "utf-8";
/* CSS Document */


.content{
  width: 980px;
}

.list{
	width: 630px;
	height: 36px;
	margin: 20px auto;
	text-align: left;
	background-color: rgba(255, 255, 255, 0);
}

.btn{
    display: block;
    font-size: 12px;
    line-height: 35px;
	margin:0 auto;
    background: rgba(0, 153, 255, 0.9);
    width: 45%;
    height: 35px;
    text-align: center;
    font-weight: 700;
    color: #fff;
}

body{
  background: url(http://www.newsimg.cn/tech/2017ppr/img/banner1.jpg) 50% 0 no-repeat;
}

.top-bar {
  height: 31px;
  text-align: center;
  border-bottom: 1px solid #ccc;
  color: #cccccc;
  width: 100%;
  position: fixed;
  _position: absolute;
  z-index: 1040;
  top: 0;
  left: 0;
  background-color: #fff;
  box-shadow: 3px 0 3px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}
.top-bar .home-site-link {
  font-style: normal;
  font-weight: 700;
}
.top-bar .item {
  line-height: 32px;
      display: inline-block;
    font-size: 14px;
    letter-spacing: normal;
    word-spacing: normal;
    vertical-align: top;
}
.top-bar .item a {
  padding-left: 5px;
  padding-right: 5px;
  text-decoration:none;
}
.top-bar .home-site-link {
  color: black;
}
.top-bar a {
  color: #1a1a1a;
}
.top-bar .loading {
  display: block;
  text-align: center;
  height: 32px;
  line-height: 32px;
  font-size: 12px;
  background-color: #f5f5f5;
}
.phd{
    height: 658px;
    transition: 0.3s;
}
p,span{
	font-size: 18px;
}