@charset "UTF-8";
nav {
  width: 100%; height: 85px;
}
nav ul{
  display: flex;
  justify-content: space-between;
  width: 100%; height: 55px;
  position: relative;
  top: 15px; right: 0;
  margin: 0 auto;
}
nav ul a {
  display: block;
  width: 100%; height: 55px;
  text-align: center;
  line-height: 55px;
  margin-right: 0px;
}
/* top
====================================================================== */
.top-logo {
  margin: 0 auto;
  position: relative;
  top: 0px;
  margin-top: 23%;
}
.top-square {
  width: 75%;
  display: block;
  margin: 0 auto;
  position: relative;
  top: 0px;
  margin-top: -27%
}
.top-oil {
  margin-top: -18%;
  bottom: 0;
}