body { background-image: url(../image/bg5.jpg); }
section {
  width: 9999px;
  background: #333333;
  background: rgba(0,0,0,0.7);
  position: absolute;
  right: 300px;
  bottom: 200px;
  background-image: url(../image/b.png);
  background-repeat: no-repeat;
  background-position: 100% 50%;
}
section:before, section:after {
  content: "";
  display: table;
}
section:after { clear: both; }
section .cf { *zoom: 1; }
section div {
  width: 600px;
  text-align: left;
  float: right;
  color: white;
  padding: 20px 50px;
  margin-right: 200px;
}
section h1 {
  color: white;
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 12px;
}
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: 280px;
  height: 21px;
  float: left;
  border-left: 3px solid #81162a;
  padding-left: 7px;
  padding-right: 10px;
  margin-top: 2em;
}
.qa_detail .w {
  width: 700px;
  min-height: 100%;
  margin: 0 auto;
  text-align: center;
  padding: 0 250px;
  background: #666666;
  background: rgba(0,0,0,0.7);
}
.qa_detail .w * { color: white; }
.qa_detail .w h1 {
  padding-top: 100px;
  margin-bottom: 30px;
}
.qa_detail .w .content {
  padding-bottom: 100px;
  text-align: left;
  line-height: 2;
}