* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  font-size: 100px;
}
body {
  font-size: 16px;
  color: #fff;
  width: 100%;
  height: 100%;
  font-family: "Microsoft YaHei", Helvetica, Arial, sans-serif;
  font-weight: 500;
  min-width: 1000px;
  background: #f2f3f5;
}
ul,
li {
  list-style: none;
}
a {
  text-decoration: none;
}
img {
  display: block;
}
.before {
  content: "";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}
.before_left {
  content: "";
  display: block;
  height: 0;
  clear: left;
  visibility: hidden;
}
/* main */
.middle {
  width: 100%;
  padding: 30px 0 50px 0;
}
.middle .main {
  margin: 0 auto;
  width: 1040px;
  /* width: 80%; */
  /* max-width: 1200px; */
}
.middle .main .m_left {
  cursor: pointer;
  float: left;
  /* width: 25%; */
  width: 220px;
  background: #fff;
  border-radius: 4px;
  /* border-right: 20px solid #f2f3f5; */
}
.middle .main .m_left .main_list > li .t_box {
  /* padding:  0 30px; */
  width: 100%;
  height: 100%;
  position: relative;
}
.middle .main .m_left .main_list > li .t_box:hover {
  background: #ffa200;
}
.middle .main .m_left .main_list > li .t_box:hover > a {
  color: #565656;
}
.middle .main .m_left .main_list > li {
  line-height: 56px;
  /* min-height: 56px; */
  border-bottom: 1px solid #f2f3f5;
}
.middle .main .m_left .main_list .t_box > a {
  padding-left: 30px;
  font-size: 14px;
  color: #565656;
  float: left;
  width: 100%;
  display: inline-block;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.middle .main .m_left .main_list .t_box .shrink {
  padding-left: 160px;
  position: absolute;
  top: 0;
  right: 0;
}
.middle .main .m_left .main_list > li .t_box .is_active {
  color: #ffa200;
}
.middle .main .m_left .main_list .t_box > a.no_img {
  width: 60%;
  color: #565656 !important;
}
.middle .main .m_left .main_list .t_box img {
  padding: 0 30px;
  padding-top: 25px;
  padding-bottom: 20px;
  float: right;
}
.middle .main .m_left .main_list .secondly {
  display: none;
  width: 100%;
}
.middle .main .m_left .main_list .secondlys {
  display: block;
  width: 100%;
}
.middle .main .m_left .main_list .is_show {
  display: block;
}
.middle .main .m_left .main_list .secondly li {
  margin-left: 30px;
  padding-right: 30px;
  border-top: 1px solid #f2f3f5;
  line-height: 56px;
}
.middle .main .m_left .main_list .secondly li:hover {
  margin-left: 0;
  padding-left: 30px;
  background: #f2f3f5;
  border-top: none;
}
.middle .main .m_left .main_list .secondly .active a {
  color: #ffa200;
}
.middle .main .m_left .main_list .secondly li a {
  width: 100%;
  display: inline-block;
  color: #999;
  font-size: 14px;
}
.middle .main .m_right {
  padding: 30px;
  /* width: 75%; */
  width: 800px;
  background: #fff;
  border-radius: 4px;
  float: right;
}
.middle .main .m_right .synopsis_title {
  color: #333;
  font-size: 24px;
  /* font-weight: bold; */
}
.middle .main .m_right .synopsis_img {
  margin: 30px 0;
  width: 100%;
}
.middle .main .m_right .synopsis_brief {
  margin-bottom: 10px;
  color: #666;
  font-size: 14px;
  width: 100%;
}
.middle .main .m_right img {
  margin: 30px 0;
  width: 100%;
  /* height: 300px; */
}
.middle .main .m_right p {
  /* text-indent: 28px; */
  font-size: 14px;
  color: #666;
  font-family: "Microsoft YaHei", Helvetica, Arial, sans-serif;
}
.middle .main .m_right strong {
  font-style: normal;
  font-size: 14px;
  color: #666;
  font-family: "Microsoft YaHei", Helvetica, Arial, sans-serif;
}
.middle .main .m_right em {
  font-style: normal;
  font-size: 14px;
  color: #666;
  font-family: "Microsoft YaHei", Helvetica, Arial, sans-serif;
}
.middle .main .m_right a {
  font-size: 14px;
  color: #666;
  font-family: "Microsoft YaHei", Helvetica, Arial, sans-serif;
}
.nav_btn img {
  display: none;
}
@media screen and (max-width: 900px) {
  .bar_head,
  .footer_new,
  .Guide_box {
    display: none!important;
  }
  body {
    min-width: 300px;
  }
  .middle.for_serch {
    padding-top: 0;
    padding-bottom: 0;
  }
  .nav_btn {
    display: block;
    padding: 10px 30px;
    overflow: hidden;
  }
  .nav_btn img {
    width: 20px;
    height: 20px;
    float: right;
    display: inline-block;
  }
  .main {
    width: 100%!important;
  }
  .main .m_left {
    /*width: 100%!important;*/
    position: fixed;
    top: 0;
    /*display: none;*/
    transform: translateX(-220px);
    transition: all 0.5s;
  }
  .main .m_left.active {
    transform: translateX(0);
  }
  .main .m_right {
    width: 100%!important;
    /*margin-top: 83px;*/
  }
  .main .m_right img {
    width: 100%!important;
    height: auto!important;
  }
  .main .m_right iframe {
    width: 100%;
  }
  .middle .main .m_left .main_list .is_show {
    display: none;
  }
  #fubiao {
    display: none;
  }
}

table{border:solid 1px #ddd}
td, th{border:solid 1px #ddd}