#left i.line {
  display: none;
}

.nav-left {
  padding: 100px 10px;
  background-color: #fff;
}
.nav-left li.main > a {
  display: none;
}
.nav-left .nav-sub {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  margin: 0;
  padding: 0;
  border: none;
  outline: none;
  font-style: normal;
  text-decoration: none;
  background: none;
  gap: 20px;
}
.nav-left .nav-sub li.on a {
  background-color: #565656;
  color: #fff;
}
.nav-left .nav-sub li a {
  display: block;
  min-width: 200px;
  background-color: #ddd;
  padding: 10px 15px;
  border-radius: 50px;
  font-size: 24px;
  font-weight: 600;
  color: #555;
  letter-spacing: -0.05em;
  text-align: center;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.nav-left .nav-sub li a:hover {
  background-color: #565656;
  color: #fff;
}

.business_top {
  text-align: center;
  padding: 60px 0 150px;
  background-color: #fff;
}
.business_top .inner {
  width: 1500px;
  margin: 0 auto;
}
.business_top p {
  font-size: 55px;
  font-weight: 600;
  color: #000;
}
.business_top div {
  font-size: 25px;
  font-weight: 500;
  color: #707070;
}