#home{
  width: 100%;
  position: relative;
}
#home .homeImg{
  width: 300px;
  position: absolute;
  top: 67%;
  left: 4%;
}
#home .home-company {
  position: absolute;
  top: 18vh;
  left: 4vw;
  font-size: 2vw;
  font-weight: 700;
}
.nav_tab{
  width: 100%;
  position: fixed;
  z-index: 999;
  top: 0;
  left: 0;
}
.nav_tab .nav{
  width: 100%;
  padding: 25px 4%;
  background-color: #fff;
}
.nav_tab .nav img{
  vertical-align: middle;
  width: 200px;
}
.nav ul{
  float: right;
  margin: 2px 0 0;
}
.nav li{
  float: left;
  list-style: none;
  font-size: 20px;
  padding: 4px 15px;
}
.nav li a{
  color: #2C2B2B;
  text-decoration: none;
}
.title{
  text-align: center;
  font-weight: bold;
  padding: 30px 0;
  font-size: 24px;
  color: #244746;
}
img{
  width: 100%;
}
#faq{
  width: 100%;
  vertical-align: middle;
  background-size: 100%;
  background-position: center center;
  margin: 40px 0;
}
#faq .title {
  color: #268BFF;
  font-size: 40px;
  font-weight: 700;
}
#faq .news{
  display: flex;
  justify-content: space-between;
  flex-wrap: nowrap;
  width: 80%;
  margin: 0 auto;
  padding-bottom: 70px;
}
#faq .news ul{
  width: 80%;
  margin: 0 auto;
}
#faq .news ul .item{
  list-style: none;
  width: 100%;
  border-radius: 8px;
  background-color: #fff;
  position: relative;
  margin-bottom: 20px;
  border: 1px solid #B7D8FF;
  filter: drop-shadow(0 4px 8px rgba(0,0,0, .3));
}
#faq .news ul .item .question{
  padding: 15px 0;
  margin: 14px 0 14px 20px;
  cursor: pointer;
  color: #268BFF;
  font-weight: 700;
  font-size: 20px;
}
#faq .news ul .item .up{
  display: none;
}
#faq .news ul .item .down{
  transform: rotateX(180deg);
}
#faq .news ul .item .answer{
  margin: 0 20px 20px;
  display: none;
  padding-bottom: 20px; 
  color: #726C6C;
  font-size: 16px;
}
#faq .news ul .item img{
  width: 22px;
  position: absolute;
  top: 28px;
  right: 20px;
}
#back img{
  width: 100%;
}
.foot{
  width: 100%;
  padding: 0 4%;
  color: #fff;
  background: #002F66;
}
.foot .foot_info{
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 64px 0 9px;
}
.foot .left{
  width: 40%;
}
.foot .right{
  width: 40%;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  font-size: 16px;
}
.foot .privacy a{
  color: #fff;
}
.foot .info{
  display: flex;
  align-items: center;
  margin: 16px 0;
}
.foot .left .logo_footer{
  width: 135px;
  margin-bottom: 8px;
}
.foot .left .icon{
  margin-right: 8px;
  width: 22px;
}
.foot .left span{
  font-size: 16px;
  line-height: 22px;
}
.foot .right {
  margin-right: 2%;
}
.foot .right img{
  width: 140px;
}
.foot .card{
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 2px solid #538E8D;
  padding: 20px 0 40px;
}
.download_btn {
  cursor: pointer;
}