/*————————————————————
    首页
    Author：张洪浩
    Time：2022-04-10  
————————————————————*/
html,
body {
  margin: 0;
  padding: 0;
  background-color: #f5f5f5;
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
a {
  text-decoration: none;
  color: #2b2b2b;
}
img {
  pointer-events: none;
}
.header {
  background: linear-gradient(to left, #8876FF, #6c9afc);
  width: 100%;
  max-width: 700px;
  height: 50px;
  position: fixed;
  top: 0;
}
.header .go-back {
  width: 50px;
  height: 50px;
}
.header .go-back img {
  width: 40px;
  height: 40px;
  margin: 5px;
  position: absolute;
  left: 0;
}
.header .header-title {
  color: white;
  font-size: 14px;
  font-weight: bold;
  line-height: 50px;
  margin-left: 20px;
  /*text-align: center;*/
  display: block;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
}
.nothing {
    width: 100%;
    height: 50px;
}
.footer-nothing {
  width: 100%;
  max-width: 700px;
  height: 70px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.footer {
  width: 100%;
  max-width: 700px;
  height: 55px;
  position: fixed;
  bottom: 0;
  border-top: 1px solid #d6d6d6;
  background-color: white;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  justify-content: space-around;
}
.footer .nav-item {
  width: 33.3%;
}
.footer .nav-item a {
  display: block;
  width: 100%;
  height: 100%;
}
.footer .nav-item a img {
  width: 25px;
  display: block;
  margin: 3px auto;
}
.footer .nav-item a span {
  font-size: 12px;
  color: #414141;
  display: block;
  text-align: center;
}
.footer .nav-item a .active-nav-name {
  color: #5d91ff;
  font-weight: bold;
}