*{margin: 0; padding: 0;}
a{color: #333; text-decoration: none;}

.header{
  display: grid;
  height: 35px;
  place-items: center;
  grid-template-columns: 100px 200px 400px 45px 45px; /* 定义三列，每列宽度为100px */
  column-gap: 20px;
  padding-left: 10%;
  margin-bottom: 5px;
}



.header-lines{
  display: flex;
  height: 45px;
  padding-left: 10%;
  padding-right: 40%;
  gap: 20px; 
  align-items: center;
  background-color: hsla(120, 2%, 34%, 0.09); 
}