body {
  background-image: url(../image/bg4.jpg);
  overflow: hidden;
}
#return_btn {
  float: right;
  font-size: 24px;
  font-weight: bold;
}
section {
  width: 700px;
  padding-right: 9999px;
  margin-right: -9999px;
  background: #333333;
  background: rgba(0,0,0,0.7);
  position: absolute;
  left: 500px;
  bottom: 150px;
}
section:before, section:after {
  content: "";
  display: table;
}
section:after { clear: both; }
section .cf { *zoom: 1; }
section div {
  width: 600px;
  text-align: left;
  float: left;
  color: white;
  padding: 20px 50px;
}
section h1 {
  color: white;
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 30px;
}
section a {
  color: white;
  font-size: 14px;
}
section ul { margin-top: 20px; }
section ul:before, section ul:after {
  content: "";
  display: table;
}
section ul:after { clear: both; }
section ul .cf { *zoom: 1; }
section li {
  width: 170px;
  height: 21px;
  float: left;
  border-left: 3px solid #81162a;
  padding-left: 7px;
  padding-right: 20px;
  margin-top: 2em;
}
section .detail .crumb { margin-bottom: 30px; }
section .detail h1 { font-size: 24px; }
section .detail p { font-size: 18px; }
body.cate { overflow: auto; }
body.cate .body { width: 100%; }
.cate_list {
  width: 400px;
  padding: 0 30px;
  min-height: 100%;
  background: #333333;
  background: rgba(0,0,0,0.7);
  position: absolute;
  right: 0;
  text-align: left;
}
.cate_list * { color: white; }
.cate_list .crumb {
  margin-top: 20px;
  font-size: 24px;
  font-weight: bold;
  text-align: right;
}
.cate_list h2 {
  font-size: 14px;
  font-weight: bold;
  margin-bottom: 0.5em;
}
.cate_list h1 { margin-bottom: 2em; }
.cate_list li {
  font-size: 14px;
  margin-bottom: 0.75em;
}
.cate_list ul { margin-bottom: 70px; }