* {
  margin: 0;
  padding: 0;
}
@font-face {
    font-family: "思源黑体";
    src: url("SourceHanSans-Regular.ttf");
}
body {
  min-width: 1440px;
   font-family: "思源黑体";
}

.top {
  width: 100%;
  background: url('../image/aboutUs.png') no-repeat;
  background-size: cover;
  position: relative;
  display: flex;
  justify-content: center;
  height: 684px;
}

.nav {
  position: absolute;
  top: 200px;
  width: 1440px;
  display: flex;
  align-items: center;
}

.nav a {
  color: #808080;
  text-decoration: none;
}

.nav p {
  color: #808080;
}

.top .text {
  position: absolute;
  top: 350px;
  width: 1440px;
  font-weight: 700;
}

.text_top {
  color: #ffffff;
  font-size: 40px;
  margin-bottom: 20px;
}

.text_bottom {
  color: #ffffff;
  font-size: 18px;
}

.contact-row {
  width: 100%;
}

.contact-cen {
  width: 1440px;
  margin: 90px auto;
}

.contact-title {
  font-size: 36px;
  font-weight: 500;
  letter-spacing: 0px;
  line-height: 52.13px;
  color: rgba(0, 0, 0, 1);
}

.contact-name {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: 0px;
  line-height: 30px;
  color: rgba(0, 0, 0, 1);
  margin-top: 90px;
}

.contact-p {
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 30px;
  color: rgba(128, 128, 128, 1);
  margin-top: 90px;
  padding-left: 13px;
}
.contact-p a{
     font-size: 16px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 30px;
  color: rgba(128, 128, 128, 1);
}

.map-row {
  width: 100%;
  margin-top: 45px;
  overflow: hidden;
  height: 553px;
}