.header {
  background: #ffffff;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
}

.header-inner {
  height: 1rem;
  width: 19.25rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header .header-inner .logo {
  height: 0.575rem;
  display: flex;
  align-items: center;
}

.header .header-inner .logo .logo-img {
  height: 0.575rem;
}

.header .header-inner .navs {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.header .header-inner .navs .nav {
  list-style: none;
  position: relative;
  font-size: 0.325rem;
}

.header .header-inner .navs .nav .nav-item {
  height: 1rem;
  display: flex;
  align-items: center;
  padding: 0 0.5rem;
  cursor: pointer;
}

.header .header-inner .navs .nav .drop-menu {
  display: none;
  position: absolute;
  z-index: 9999;
  top: 1rem;
  background-color: #fff;
}

.header .header-inner .navs .nav .drop-menu .menu-item {
  list-style: none;
}

.header .header-inner .navs .nav .drop-menu .menu-item .link {
  display: block;
  width: 3.375rem;
  font-size: 0.3rem;
  line-height: 3;
  padding: 0 0.4rem;
  cursor: pointer;
}

.header .header-inner .navs .nav .drop-menu .menu-item .link:hover {
  background-color: #efefef;
}

.header .header-inner .navs .nav:hover .nav-item {
  background-color: #efefef;
}

.header .header-inner .navs .nav:hover .drop-menu {
  display: block;
}