.nav_wrap {
  width: 100%;
  font-family: 'microsoft yahei';
  min-height: 60px;
  background-color: #fff;
  transition-duration: 1s;
}
.nav_wrap .sub_wrap {
  width: 1240px;
}

.nav_wrap .sub_wrap {
  margin: 0 auto;
  height: 60px;
  line-height: 60px;
  position: relative;
}
.nav_wrap .sub_wrap .logo {
  float: left;
  margin-right: 40px;
  vertical-align: middle;
  width: 100px;
  height: 40px;
  margin-top: 10px;
}
.nav_wrap .sub_wrap .logo img {
  width: 100%;
}

.nav_wrap .sub_wrap .nav_menu {
  position: relative;
}
.nav_wrap .sub_wrap .nav_menu li {
  float: left;
  padding: 0 20px;
  position: relative;
  height: 60px;
}
.nav_wrap .sub_wrap .nav_menu li a.nav_item {
  font-size: 16px;
  color: #2a2a2a;
  vertical-align: middle;
  transition: all 0.15s;
  padding-bottom: 10px;
  border-bottom: 2px solid #ffffff;
}
.nav_wrap .sub_wrap .nav_menu li a.nav_item.selected,
.nav_wrap .sub_wrap .nav_menu li a.nav_item:hover {
  color: #ff6428;
  padding-bottom: 5px;
  border-bottom: 2px solid #ff6428;
}

.nav_wrap .sub_wrap .logout {
  width: 65px;
  height: 30px;
  border: 1px solid #000000;
  border-radius: 32px;
  box-shadow: 0px 0px 7px 0px rgba(255, 255, 255, 0.25) inset;
  text-align: center;
  line-height: 30px;
  color: #333333;
  font-size: 14px;
  position: absolute;
  top: 12px;
  right: 116px;
  cursor: pointer;
}

.footer {
  width: 100%;
  padding-top: 40px;
  padding-bottom: 30px;
  text-align: center;
  color: #999999;
  line-height: 20px;
  background: #FFF;
}

.footer .line {
  width: 1px;
  height: 10px;
  display: inline-block;
  background: #999999;
  margin: 0 10px;
}

.footer .wrapper {
  margin-top: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.footer .wrapper a {
  margin: 0 10px;
}

.footer .wrapper .pingan {
  width: 35px;
  height: 35px;
  display: inline-block;
  background: url(https://www.kktv5.com/images/license.gif) no-repeat;
  background-position: 0 -2px;
}

.footer .wrapper .license {
  width: 32px;
  height: 35px;
  display: inline-block;
  background: url(https://www.kktv5.com/images/license.gif) no-repeat;
  background-position: 0 -35px;
}

.footer .wrapper .beian {
  width: 34px;
  height: 34px;
  display: inline-block;
  background: url(https://www.kktv5.com/images/beianbgs.png) no-repeat;
  background-size: cover;
}