.head{  min-width: 1260px;
  margin: 0 auto;
  background: url(/tsg/upload/images/2022/11/49a54072eea1a06b.png) no-repeat center top;
  background-size: 100% 100%;
  text-align: center;
  height: 10vw;
}

.head-1{
  min-width: 1260px;
  height: calc(10vw - 55px);
  margin: 0 auto;
  text-align: center;
  clear: both;
}

@media (max-width: 1300px){
  .head{
    height: 15vw
  }
.head-1{
height: calc(15vw - 55px);
}
}
ul.menu li{ float:none; }
ul.menu>li{ float:left; font-size:16px; width:136px; line-height:50px; text-align:center; font-weight:bold; }
ul.menu>li .next-menu{
  display: none;
}
ul.menu>li:hover .next-menu{
  display: block;
}
ul.menu ul.next-menu{
  width: 100%;
  height: auto;
  background: rgb(143,41,27);
}
ul.menu{
  width: 1240px;
  height: 50px;
}
ul.menu ul.next-menu li{
  border-right: none;
}