body {
  height: 100vh;
  min-width: 1300px;
  overflow-x: auto;
  overflow-y: hidden;
}
.index {
  width: 100%;
  height: 100%;
  background-image: url(../images/index/index-bg-3.jpg);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-left: 200px;
}
.index .logo {
  display: inline-block;
}
.index .navs {
  margin-top: 60px;
  display: flex;
}
.index .navs .nav {
  width: 320px;
  height: 300px;
  background: #fff;
  box-shadow: 0px 0px 49px 0px rgba(33, 41, 50, 0.05);
  border-radius: 10px;
  padding: 96px 0 0 44px;
  color: var(--primary-color);
}
.index .navs .nav:hover {
  background: var(--primary-button-color);
  color: #fff;
}
.index .navs .nav + .nav {
  margin-left: 30px;
}
.index .navs .nav .icon {
  width: 40px;
  height: 40px;
}
.index .navs .nav.navigation .icon {
  background: var(--index-navigation) no-repeat;
}
.index .navs .nav.navigation:hover .icon {
  background: var(--index-navigation-sel) no-repeat;
}
.index .navs .nav.public .icon {
  background: var(--index-public) no-repeat;
}
.index .navs .nav.public:hover .icon {
  background: var(--index-public-sel) no-repeat;
}
.index .navs .nav.employee .icon {
  background:  var(--index-employee) no-repeat;
}
.index .navs .nav.employee:hover .icon {
  background: var(--index-employee-sel) no-repeat;
}
.index .navs .nav .title {
  margin-top: 30px;
  font-weight: 500;
  font-size: 32px;
}
.index .navs .nav .subTitle {
  margin-top: 25px;
  font-weight: 500;
  font-size: 24px;
}
.index .opera {
  margin-top: 60px;
  display: flex;
  position: relative;
}
.index .opera .wechat,
.index .opera .tel,
.index .opera .email {
  cursor: pointer;
  margin-left: 20px;
}
.index .opera .registration {
  width: 262px;
  height: 100px;
  line-height: 100px;
  box-shadow: 0px 0px 49px 0px rgba(33, 41, 50, 0.05);
  border-radius: 10px;
  font-weight: 400;
  font-size: 24px;
  color: var(--primary-color);
  background: #fff var(--index-registration) no-repeat 50px center;
  padding-left: 120px;
}
.index .opera .wechat,
.index .opera .tel,
.index .opera .email {
  width: 100px;
  height: 100px;
  box-shadow: 0px 0px 49px 0px rgba(33, 41, 50, 0.05);
  border-radius: 10px;
}
.index .opera .wechat {
  background: #fff var(--index-wechat) no-repeat center;
}
.index .opera .tel {
  background: #fff var(--index-tel) no-repeat center;
}
.index .opera .email {
  background: #fff var(--index-email) no-repeat center;
}