.top_nav {
  height: 3.75rem;
  background-color: #ffffff;
  padding-top: .8rem;
  padding-left: .68rem;
  padding-right: .75rem;
  flex-direction: column;
  padding-bottom: .45rem;
  position: relative;
}
.top_nav.active{
  width: 100%;
  position: fixed;
  top: 2rem;
  left: 0px;
  z-index: 2;
}
.top_nav .top,
.top_nav .nav {
  width: 100%;
}

.top_nav .img {
  height: 1.02rem;
}

.top_nav .change {
  width: 6.95rem;
}

.top_nav .change a:nth-child(1) {
  width: 0.8rem;
}

.top_nav .change a:nth-child(2) {
  width: 0.98rem;
}

.top_nav .change a:nth-child(3) {
  width: 1.2rem;
}

.top_nav .change a:nth-child(4) {
  width: 0.98rem;
}

.top_nav .change a:nth-child(5) {
  width: 0.93rem;
}

.top_nav .change a img {
  width: 100%;
}

.top_nav .nav {
  position: relative;
  justify-content: space-around;
}

.top_nav li {
  font-size: 0.6rem;
  color: #333333;
  margin-right: 1rem;
  flex-shrink: 0;
}

.top_nav li:last-child {
  margin: 0;
}

.top_nav li.active {
  font-weight: 700;
  color: #ff234d;
}

.top_nav .nav .menu {
  width: 2rem;
  height: 1rem;
  flex-shrink: 0;
  background: linear-gradient(to right, #ffffffcf, #ffffff);
  position: absolute;
  right: -.75rem;
  justify-content: flex-end;
}

.top_nav .nav .menu img {
  width: 0.57rem;
  margin-right: .5rem;
}

.top_nav .nav .menu.active img {
  transform: rotatez(180deg);
}

.top_nav .nav_hide {
  position: absolute;
  top: 4rem;
  width: 100%;
  height: auto;
  background-color: #ffffff;
  font-size: 0.6rem;
  padding: 0 .25rem 0 0.75rem;
  height: 0;
  overflow: hidden;
  z-index: 10;
}

.top_nav .nav_hide.active {
  height: auto;
}

.top_nav .nav_hide .item {
  height: auto;
  border-bottom: solid 0.03rem #ededed;
  padding: .35rem 0;
}

.top_nav .nav_hide .tabs {
  flex-wrap: wrap;
}

.top_nav .nav_hide .item:nth-child(1) .tabs span,.top_nav .nav_hide .item:nth-child(2) .tabs span {
  margin-top: .3rem;
}
.top_nav .nav_hide .item:nth-child(1),.top_nav .nav_hide .item:nth-child(2){
  align-items: flex-start;
}
.top_nav .nav_hide .item:last-child {
  border: none;
}

.top_nav .nav_hide b {
  width: 2.5rem;
  flex-shrink: 0;
  font-weight: normal;
  margin-right: .78rem;
  color: #000000;
}
.top_nav .nav_hide .item:nth-child(1) b,.top_nav .nav_hide .item:nth-child(2) b{
  margin-top: 0.4rem;
}
.top_nav .nav_hide span {
  line-height: 1.15rem;
  height: 1.15rem;
  border-radius: 0.1rem;
  border: solid 0.05rem #ededed;
  font-size: .55rem;
  padding: 0 .35rem;
  margin-right: .25rem;
  color: #666666;
}

.top_nav .nav_hide span.active {
  background: url(/uploads/image/scimg/tab_active.png) no-repeat;
  background-size: 100% 100%;
  border-color: transparent;
  color: #ffffff;
}

/* list_box */
.list_box .tabs_box {
  margin: .38rem 0 .38rem .7rem;
  overflow-x: scroll;
  padding-bottom: .2rem;
  position: relative;
  height: 1.45rem;
}

.list_box .tabs {
  width: auto;
  position: relative;
  overflow: auto;
}

.list_box .tabs span {
  font-size: 0.55rem;
  width: auto;
  height: 1.05rem;
  line-height: 1.05rem;
  border-radius: 0.51rem;
  margin-right: .3rem;
  padding: 0 .5rem;
  display: inline-block;
}

.list_box .tabs span.active {
  background-color: #c2c2c2;
  color: #ffffff;
}

.list_box>ul {
  padding: 0 .3rem;
  flex-wrap:wrap;
}

.list_box>ul li {
  width: 49%;
  height: auto;
  background-size: 100%;
  box-shadow: 0rem 0rem 0.63rem 0rem rgba(12, 4, 7, 0.1);
  border-radius: .3rem;
  padding-bottom: .4rem;
  margin-bottom: .8rem;
}

.list_box>ul li .img {
  width: 100%;
  height: auto;
  /* background-color: #000000; */
}

.list_box>ul li h2 {
  padding-right: .2rem;
  font-size: .55rem;
  font-weight: normal;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: .2rem;
  padding: 0 .2rem;
}

.list_box>ul li .span_box {
  font-size: .5rem;
  margin-top: .3rem;
}

.list_box>ul li span {
  background-color: #e7e5e6;
  margin-left: .3rem;
  padding: .1rem .2rem;
  border-radius: .1rem;
  font-size: .35rem;
}

.form_box {
  padding: .5rem;
  display: none;
}

.form_box .title_box {
  width: 100%;
  height: 3.75rem;
  background: url(/uploads/image/scimg/title.png) no-repeat;
  background-size: 100%;
  box-shadow: 0rem 0rem 0.75rem 0rem rgba(12, 4, 7, 0.08);
  border-radius: 0.3rem;
  font-size: 0.7rem;
  padding-left: 1.25rem;
  padding-right: 1rem;
  padding-top: .85rem;
  margin-bottom: .75rem;
}

.form_box .title_box h3 {
  font-size: .75rem;
  margin-top: .2rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.form_box .form1 {
  width: 100%;
  padding: 0 .63rem 0;
}

.form_box .item {
  width: 100%;
  margin-bottom: .38rem;
  position: relative;
}

.form_box .item img {
  position: absolute;
  width: 0.5rem;
  right: .5rem;
  top: 50%;
  transform: translatey(-50%);
}

.form_box .item select,
.form_box .item input {
  width: 100%;
  height: 1.5rem;
  background-color: #ffffff;
  border-radius: 0.1rem;
  font-size: 0.55rem;
  line-height: 1.5rem;
  color: #969696;
  padding-left: .6rem;
}

.form_box .item input::placeholder {
  color: #969696;
}

.form_box .yzm span {
  width: 4.25rem;
  height: 1.5rem;
  background-color: #333333;
  flex-shrink: 0;
  font-size: 0.55rem;
  color: #ffffff;
}

.form_box .btn_box div {
  width: 5rem;
  height: 1.5rem;
  background-image: linear-gradient(0deg,
      #ffd291 0%,
      #ffda94 100%);
  border-radius: 0.74rem;
  font-size: 0.65rem;
  font-weight: 700;
  color: #1a1a1a;
  margin-top: .62rem;
}

.form_box .btn_box .read img {
  width: 0.65rem;
  margin-right: .48rem;
}

.form_box .btn_box .download {
  margin-left: 1rem;
}

.form_box .btn_box .download img {
  width: 0.9rem;
  margin-right: .3rem;
}