body {
  background: #f1f4fd;
  width: 100%;
  min-height: 100vh;
  padding: 0;
  margin: 0;
  position: relative;
  min-width: 1100px;
  padding-bottom: 274px;
  box-sizing: border-box;
}
div,
footer {
  box-sizing: border-box;
}
.flex {
  display: flex;
  align-items: center;
}
.content {
  width: 1100px;
  margin: 0 auto;
}
.nav {
  width: 100%;
  background-color: #fff;
  padding-top: 10px;
}
.nav-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-top .logo {
  width: 180px;
  height: 50px;
}
.nav-top .menu-box {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: space-between;
  padding: 0 28px;
  position: relative;
  display: flex;
}
.nav-top .menu-box .menu-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  cursor: pointer;
}
.nav-top .menu-box .dropdown-menu {
  position: absolute;
  bottom: 0px;
  transform: translate(-50%, 100%);
  left: 50%;
  width: 113px;
  background: #ffffff;
  box-shadow: 0px 2px 10px 0px rgba(0, 0, 0, 0.06);
  padding: 10px 0;
  display: none;
  z-index: 999;
}
.nav-top .menu-box .dropdown-menu .dropdown-item {
  width: 113px;
  height: 36px;
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #595959;
  line-height: 36px;
  text-align: center;
}

.nav-top .menu-box .dropdown-menu .dropdown-item a{
  width: 113px;
  height: 36px;
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #595959;
  line-height: 36px;
  text-align: center;
}
.nav-top .menu-box .menu-item:hover .dropdown-menu {
  display: block;
}
.nav-top .menu-box .dropdown-menu .dropdown-item:hover {
  background: #f3f3f3;
  color: #1565ff;
}
.nav-top .menu-box .menu-item .song {
  width: 38px;
  height: 14px;
  text-align: center;
  background-image: url("../img/song.png");
  background-size: 100% 100%;
  background-repeat: no-repeat;
  font-size: 10px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #ffffff;
  line-height: 14px;
  position: absolute;
  right: 0;
  top: -14px;
}
.nav-top .menu-box .menu-item img {
  width: 15px;
  height: 10px;
  margin-left: 4px;
}
.nav-top .menu-box a {
  /* font-size: 14px; */
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #3a486c;
  line-height: 20px;
  text-decoration: none;
}
.nav-top .menu-box a:hover {
  color: #1565ff;
}
.nav-top .acitve a {
  color: #1565ff;
}
.nav-icon {
  text-align: center;
}
.nav-icon a {
  text-align: center;
   color: #000;
   text-decoration:none;
}

.nav-icon a:hover {
  color: #1565ff;
}
.nav-icon img {
  width: 28px;
  height: 28px;
  margin: 0 auto;
}
.nav-icon div {
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #3a486c;
  line-height: 17px;
}
.nav-bottom {
  margin-top: 22px;
  width: 100%;
  height: 46px;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-bottom .nav-total {
  display: flex;
  align-items: center;
}
.nav-bottom .nav-total img {
  width: 24px;
  height: 24px;
  margin-right: 8px;
}
.nav-bottom .nav-total .text {
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #41464f;
  line-height: 17px;
  margin-right: 8px;
}
.nav-bottom .nav-total .num {
  font-size: 12px;
  font-family: Gilroy-Medium, Gilroy;
  font-weight: 500;
  color: #1f2431;
  line-height: 14px;
}
.nav-bottom .nav-input {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 220px;
  height: 34px;
  background: #f1f7fc;
  border-radius: 4px;
  padding-left: 12px;
  padding-right: 12px;
}
.nav-bottom .nav-input img {
  width: 16px;
  height: 16px;
  padding: 4px;
  cursor: pointer;
}
.nav-bottom .nav-input input {
  border: none;
  flex: 1;
  height: 20px;
  background-color: #f1f7fc;
  font-size: 12px;
  outline: medium;
}

.footer {
  position: absolute;
  width: 100%;
  bottom: 0;
  height: 274px;
  background: #000;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 67px 0;
}
.footer div {
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #ddd;
  line-height: 20px;
}

.bread-crumbs {
  margin-top: 39px;
  display: flex;
  align-items: center;
}
.bread-crumbs a {
  text-decoration: none;
  font-size: 12px;
  line-height: 18px;
  color: #595959;
}
.bread-crumbs div {
  text-align: center;
  width: 16px;
  font-size: 12px;
  line-height: 18px;
}
.bread-crumbs .active-link {
  color: #1565ff;
}
.bread-crumbs .current-link {
  color: #bebebe;
  pointer-events: none;
  cursor: text;
}