nav {
  width: 7.5rem;
  height: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.25rem 0.3rem;
  box-sizing: border-box;
  background-color: #fff;
  position: fixed;
  box-shadow: 0 1px 10px 1px #eeeeee;
  z-index: 999;
}
.logo img {
  width: 2.3rem;
  /*height: 0.51rem;*/
}
.more img {
  width: 0.41rem;
  height: 0.33rem;
  position: relative;
}
.menu-box {
  display: none;
  position: absolute;
  left: 0;
  top: 0.9rem;
  width: 100%;
  height: 95vh;
  background-color: rgba(153, 153, 153, 0.8);
  overflow: auto;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE 10+ */
  overscroll-behavior: contain;
}
::-webkit-scrollbar {
  display: none; /* Chrome Safari */
}
.first-menu {
  background-color: #fff;
  width: 4rem;
  padding-left: 0.3rem;
  box-sizing: border-box;
}

.first-menu > li {
  width: 3rem;
  font-size: 0.28rem;
  padding: 0.1rem 0;
}
.second-menu > li {
  font-size: 0.24rem;
  padding: 0.1rem 0;
}
.second-menu2 > li {
  font-size: 0.24rem;
  padding: 0.1rem 0;
}
.first-menu > li:nth-last-child(1) {
  margin-bottom: 0.2rem;
}
.second-menu a {
  font-size: 0.2rem;
}
.second-menu2 a {
  font-size: 0.18rem;
}
.second-menu,
.second-menu2 {
  text-align: center;
}
.first-menu > h1 {
  font-size: .28rem;
  padding-bottom: 0.4rem;
}
.second-menu h1 {
  padding: 0.2rem 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.24rem;
}
.second-menu2 h1 {
  padding: 0.2rem 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.24rem;
}
.second-menu h1 img {
  width: 0.25rem;
  height: 0.28rem;
  margin-right: 0.1rem;
}

.second-menu2 h1 img {
  width: 0.28rem;
  height: 0.28rem;
  margin-right: 0.1rem;
}

/* footer 样式 */
.footer {
  width: 7.5rem;
  background-color: #21252e;
}
.footer ul {
  display: flex;
  flex-wrap: wrap;
  padding: 0.3rem 0;
  border-bottom: 0.01rem solid #999;
  margin: 0 0.3rem;
}

.footer h5 {
  padding: 0.1rem 0;
  font-size: 0.32rem;
  color: #ffffff;
}
.footer p {
  font-size: 0.24rem;
  margin: 0.15rem 0;
  text-align: justify;
  color: #cccccc;
  padding: 0 0.1rem 0 0;
}
.footer li:nth-child(1) {
  width: 100%;
}
.footer li:nth-child(1) img {
  width: 1.75rem;
  height: 0.59rem;
}

.footer li:nth-child(3) {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer li:nth-child(3) p {
  font-size: 0.22rem;
  margin-left: 0.1rem;
  text-align: center;
}
.footer li:nth-child(3) img {
  margin: 0.1rem 0;
  width: 1.6rem;
  /*height: 1.03rem;*/
}
.footer-text p {
  margin: 0;
  color: #999999;
  line-height: 0.45rem;
  text-align: center;
  margin-top: 0.1rem;
  padding-bottom: 0.1rem;
}
.footer-text a {
  font-size: 0.18rem;
  color: #999999;
}
.a-active {
  color: #0028c9;
}