@media screen and (min-width: 1920px) {
  html,
  body {
    font-size: 80px;
  }
}
@media screen and (max-width: 320px) {
  html,
  body {
    font-size: 13.33px;
  }
}
.w {
  width: 18.9375rem;
  margin: 0 auto;
}
header {
  padding: 0.4875rem 0;
}
header .w {
  display: flex;
  justify-content: space-between;
  width: 18.9375rem;
  margin: 0 auto;
}
header .w .header-l {
  display: flex;
  align-items: center;
}
header .w .header-l .logo {
  position: relative;
  width: 3.875rem;
}
header .w .header-l .logo::after {
  content: "";
  width: 0.1rem;
  height: 100%;
  background: #4E6EF2;
  position: absolute;
  right: -0.5625rem;
  top: 0;
}
header .w .header-l p {
  font-size: 0.225rem;
  font-family: SimHei;
  font-weight: bold;
  color: #000000;
  margin-left: 1.0625rem;
}
header .w .header-r {
  display: flex;
  align-items: center;
}
header .w .header-r .tel {
  width: 0.7rem;
  margin-right: 0.2375rem;
}
header .w .header-r p {
  font-size: 0.225rem;
  font-family: SimHei;
  font-weight: 400;
  color: #000000;
}
header .w .header-r h1 {
  color: #0665C1;
  font-size: 0.35rem;
  font-family: SimHei;
  font-weight: 400;
}
.active {
  background: #FF6600;
}
nav {
  background: #4E6EF2;
  height: 0.75rem;
  display: flex;
  align-items: center;
}
nav .w {
  height: 100%;
}
nav .w ul {
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
nav .w ul li {
  position: relative;
  height: 100%;
  width: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
}
nav .w ul li:hover {
  background: #FF6600;
}
nav .w ul li:hover ul {
  display: block;
}
nav .w ul li a {
  display: block;
  font-size: 0.225rem;
  font-family: SimHei;
  font-weight: 400;
  color: #FFFFFF;
}
nav .w ul li ul {
  display: none;
  background: #FFFFFF;
  position: absolute;
  bottom: -0.75rem;
}
nav .w ul li ul li {
  padding: 0 0.175rem 0 0.2875rem;
  justify-content: space-between;
  align-items: center;
  border: 1px solid #D2D2D2;
  background: #fff;
}
nav .w ul li ul li:hover a {
  color: #fff;
}
nav .w ul li ul li:hover span {
  color: #fff;
}
nav .w ul li ul li a {
  display: flex;
  align-items: center;
  width: 100%;
  height: 100%;
  font-size: 0.2rem;
  font-family: SimHei;
  font-weight: 500;
  color: #000000;
}