@media screen and (min-width: 981px) {
  .sign-top, .login-form, .qq-body, .sign-top-phone, .nouser-body {
    display: none; }

  .other-login-background {
    display: block; } }



@media screen and (max-width: 1200px) and (min-width: 980px) {
  .reg_main1200 {
    width: 980px !important;

  }

  .py_nav {
    padding: 0; }

  .py_nav li {
    margin: 0 24px; }

  .reg_false {
    padding-left: 0; } 

   .sign-top, .login-form, .qq-body, .sign-top-phone, .nouser-body {
    display: none; }

  .other-login-background {
    display: block; } 

}