.fl{float: left;}
.fr{float: right;}
.clearfix{overflow:hidden;_zoom:1;}
body{font-family: Microsoft YaHei;}
html{background-color: #1b1b1b;height:100%}
button, html input[type="button"], input[type="reset"], input[type="submit"] {-webkit-appearance: button;cursor: pointer;outline: none;}

.header_container
{
    position: absolute;
    height: 45px;
    line-height: 45px;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #1b1b1b;
    border-bottom: 1px solid #101010;
}
.header_container .logo
{
  font-weight: bold;
  position: relative;
  font-size: 16px;
  left: 20px;
  color: #727272;
  cursor: default;
}
.header_container .tm_btn
{
    height: 25px;
    color: #cfd2d4;
    background-color: #292929;
    cursor: pointer;
    width: 100px;
    position: relative;
    font-size: 15px;
    margin: 10px 20px;
}
.header_container .tm_btn:hover
{
  border:#f5a623 1px solid;
}
.header_container .tm_btn:active
{
  background-color: #f5a623;
}
.header_container .text_hello
{
  font-size: 15px;
  color: #fff;
}
.header_container .usr_container
{
  font-size: 15px;
  color: #fff;
  min-width: 50px;
  position: relative;
  text-align: right;
  margin-right: 60px;
  cursor: default;
}
.header_container .usr_container span
{
    text-decoration: underline;
}
.header_container .usr_menu
{
  display: none;
  position: absolute;
  top:30px;
  background-color: #222;
  text-align: center;
  border: 1px solid #777;
  height:64px;
  width: 100%;
  z-index:1;
  list-style:none;
}
.header_container .usr_menu li
{
  height:32px;
  line-height: 32px;
}
.header_container .usr_menu li:first-child
{
  border-bottom: solid 1px #777;
}
.header_container .usr_menu a
{
  color:#fff;
  font-size: 13px;
  text-decoration: none;
  cursor: pointer;
}
.header_container .usr_menu a:hover
{
  color: #f5a623;
}
.usr_container:hover .usr_menu
{
  display: block;
}

.main_container
{
  position: absolute;
  right: 0;
  top: 45px;
  left: 0;
  bottom:0;
  background-color: #222;
}
.main_container .ml_container
{
  top: 0;
  border-right: 1px solid #101010;
  bottom: 0;
  left: 0;
  right:0;
  height: 100%;
  position: absolute;
}
.main_container .ml_container .left_side
{
  overflow: hidden;
  border-right: 1px solid #101010;
  position: relative;
  height: 100%;
  width: 216px;
  color: #cfd2d4;
}
.material_list_info
{
  overflow: hidden;
  height: 25px;
  line-height: 25px;
}
.material_list_info .materials_count
{
  padding-right: 10px;
}
.material_list_info .materials_count .text_nomarl
{
  color:#636363;
  font-size: 12px;
}
.material_list_info .materials_count .text_strong
{
  color:#cfd2d4;
  font-size: 13px;
}
.material_box,.material_container,.right_side
{
  height:calc(100% - 25px);
}