body {
  background: #f4f4f4 !important;
}

.notice-slide {
  width: 1480px;
}

.tc-main {
  margin: 0 auto;
}

@media (max-width:768px) {
  .tc-main {
    margin-top: 0px;
  }
}

@media (min-width:769px) {
  .tc-main {
    margin-top: 20px;
  }
}

@media (min-width:992px) {
  .tc-main {
    margin-top: 20px;
  }
}

@media (min-width:1200px) {
  .tc-main {
    margin-top: 20px;
  }
}

@media (min-width:1400px) {
  .tc-main {
    margin-top: 20px;
  }
}

@media screen and (max-width: 1500px) and (min-width: 300px) {

  #tvHeader,
  .index .navList>ul,
  .slide-box,
  .jxty-container,
  .activity-content,
  .jxty-container,
  .vLocation,
  .courseware-play-box,
  .search .main-list,
  .tc-main {
    width: 1480px !important;
  }

  .notice-slide {
    width: 1200px;
    height: 400px;
  }

  .container-each {
    width: 1200px;
    height: unset;
  }
}