* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

a {
  text-decoration: none;
  cursor: pointer;
  color: #555;
  display: inline-block;
  font-family: PingFangSC-Regular;
  font-size: 18px;
  color: #555555;
  letter-spacing: 1.12px;
  font-weight: 400;
}

a:hover,
.alive {
  font-family: PingFangSC-Semibold;
  font-size: 18px;
  color: #555555;
  letter-spacing: 1.12px;
  font-weight: 600;
}

ul,
li {
  list-style: none;
}

.pc .w {
  width: 1200px;
  margin: 0 auto;
}

.pc .nav {
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pc .nav h1 {
}

.pc .nav ul li {
  float: left;
  padding: 0 30px;
}

.pc .bottom {
  height: 266px;
  background: #3b4552;
  font-family: PingFangSC-Medium;
  font-size: 16px;
  color: #d6d6d6;
  letter-spacing: 0.8px;
  text-align: center;
  line-height: 32px;
  font-weight: 500;
  padding: 80px 0;
}

.pc .bottom a {
  color: #d6d6d6;
}

.phone {
  display: none;
}

@media (max-width: 1080px) {
  a {
    text-decoration: none;
    cursor: pointer;
    color: #555;
    display: inline-block;
    font-family: PingFangSC-Regular;
    font-size: 3.6vw;
    color: #555555;
    letter-spacing: 1.12px;
    font-weight: 400;
  }
  a:hover,
  .alive {
    font-family: PingFangSC-Semibold;
    font-size: 3.6vw;
    color: #555555;
    letter-spacing: 1.12px;
    font-weight: 600;
  }
  .pc {
    display: none;
  }
  .phone {
    display: block;
  }
  .phone .w {
    width: 100%;
    padding: 0 4vw;
  }
  .phone .nav {
    height: 16vw;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .phone .nav h1 {
    font-size: 4.5vw;
  }
  .phone .nav ul li {
    float: left;
    padding: 0 2.7778vw;
  }
  .phone .bottom {
    height: 39.6vw;
    background: #3b4552;
    font-family: PingFangSC-Medium;
    font-size: 2.4vw;
    color: #d6d6d6;
    letter-spacing: 0.8px;
    text-align: center;
    font-weight: 500;
    padding-top: 12vw;
  }
  .phone .bottom a {
    color: #d6d6d6;
    font-size: 2.4vw;
  }
}