#content {
  width: 1280px;
  padding: 0 60px;
  margin: 0 auto;
}
#content .login_banner {
  background: url('../images/banner_lv.png');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  width: 100%;
  padding: 90px 60px;
  margin-bottom: 30px;
}
#content .login_banner h3 {
  width: 500px;
  height: 100px;
  font-size: 40px;
  font-family: s;
  font-weight: 600;
  color: #E8E8E9;
  line-height: 47px;
  margin-bottom: 40px;
}
#content .login_banner .login_btn {
  display: inline-block;
  background: #2F3138;
  border-radius: 30px 30px 30px 30px;
  opacity: 1;
  border: 1px solid #2F3138;
  padding: 4px;
  box-sizing: border-box;
}
#content .ad_box .ad_title {
  text-align: center;
  font-size: 12px;
  font-family: r;
  font-weight: 400;
  color: #575757;
}
#content .ad_box .ad_cont {
  width: 100%;
  min-height: 90px;
  color: #fff;
}