body{
  padding: 0;
  margin: 0;
  font:16px;
}
a:valid,a:hover,a:link{
  text-decoration: none;
}
#inputsearch,#inputsearch:focus{
  border: 1px solid #46abe6;
  box-shadow: inset 0px 0px 5px #46abe6;
  outline: #46abe6;
}
.title{
  height: 40px;
  background-color: #f6f6f6;
  width: 100%;
  display: flex;
  align-items: center;
}
.title>div{
  width: 50%;
}
.title>div:nth-child(2){
  display: flex;
  align-items: center;
  height: 90px;
}
nav>div:nth-child(2)>div{
  padding: 1rem;
  border-radius: 0.3rem;
}
nav>div:nth-child(2)>div:hover{
  background-color: #46abe6;
  transition: 2.5s;
}
nav{
  width: 100%;
  height: 90px;
  display: flex;
  background-color: white;
  align-items: center;
  justify-content: space-around;
}
nav>div:nth-child(2)>div>a:hover{
  text-decoration: none;
}
nav>div:nth-child(3)>span{
  color: #46abe6;
  padding-left: 0.4rem;
}
nav>div:nth-child(3)>span:hover{
  cursor: pointer;
}
.aim{
  text-align: center;
  font-weight: bold;
}
.imageul{
  width: 82%;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
}
.imageul>div{
  width: 24%;
  position: relative;
}
.imageul>div>img{
  width: 100%;
}
.imageul>div>img:last-child{
  position: absolute;
  top: 0;
  left: 0;
  display: none;
}
.briefdiv1{
  width: 82%;
  margin: 10px auto; 
}
.briefdiv1>p{
  font-size: 4rem;
  font-weight: bold;
  width: 180px;
  padding: 1rem;
  border-radius: 10px;
  background-color: #46abe6;
}
.briefdiv2{
  width: 82%;
  margin: 10px auto; 
}
.briefdiv2>p{
  text-indent: 3rem;
  font-size: 1.8rem;
}
.partner{
  width: 82%;
  text-align: center;
  margin: 10px auto;
}
.partner span{
  font-size: 3rem;
  padding: 1rem;
  border-radius: 5px;
  font-weight: bold;
  background: linear-gradient(90deg, #5da7ff, #94cbff);
}
.collaborate{
  width: 82%;
  height: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
}
.collaborate>div{
  width: 100px;
  height: 100px;
  background: #5da7ff;
  line-height: 100px;
  text-align: center;
  border-radius: 50%;
  position: relative;
}
.collaborate>div:not(.collaborate>div:nth-child(2)){
  font-size: 2rem;
}
.collaborate>div>span{
  font-weight: bold;
}
.collaborate>div>img{
  width: 300px;
  height: 100px;
  position: absolute;
  left: -100px;
  top: 0;
  opacity: 0;
}
.collaborateul{
  width: 82%;
  margin: 0 auto;
}
.collaborateul .partnertitle{
  text-align: center;
  margin: 10px 0;
}
.collaborateul span{
  font-weight: bold;
  font-size: 2rem;
  background: linear-gradient(90deg, #5da7ff, #94cbff);
  padding: 0.5rem;
  border-radius: 5px;
}
.collaborateul .flx{
  display: flex;
  width: 100%;
  flex-wrap: wrap;
  justify-content: space-between;
}
.collaborateul .flx>img{
  flex-shrink: 1;
  flex-grow: 1;
  width: 50%;
  opacity: 1;
}
.footer{
  width: 100%;
  background-color: #10293c;
  display: flex;
  color: white;
  justify-content: space-around;
  align-items: center;
}
.footer>div>p,.footer>div>h4{
  text-align: center;
}
.footer>div:last-child>div{
  display: none;
}
.footer>div:last-child>div>ul{
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: center;
}
.footer>div:nth-child(4)>p>a>img{
  height: 18px;
  margin: 0 0.5rem;
}
.footer>div:last-child>div>ul a{
  text-decoration: none;
  color: white;
}
@media screen and (min-width:992px){
  .baseboard{
    height: 130px;
  }
  .sotitle{
    width: 100%;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 999;
  }
  .title>div:nth-child(1){
    padding-left: 8%;
  }
  .title>div:nth-child(2){
    padding-left: 30%;
  }
  .nav2,.nav2_div{
    display:none
  }
  nav>div:nth-child(1){
    width: 20%;
    height: 100%;
    padding: 0 2%;
  }
  nav>div:nth-child(1)>img{
    height: 100%;
  }
  nav>div:nth-child(2){
    display: flex;
    align-items: center;
    justify-content: space-around;
    width: 60%;
    font-size: 1.5rem;
    font-weight: bold;
  }
  nav>div:nth-child(3){
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20%;
  }
  .collaborateul{
    display: none;
  }
  .footer{
    height: 200px;
  }
  .footer button{
    width: 20rem;
    height: 3.2rem;
    padding: 0.4rem 0.8rem;
    color: black;
  }
}
@media screen and (max-width:991px){
  .baseboard{
    height: 90px;
  }
  .sotitle{
    width: 100%;
    position: fixed;
    left: 0;
    top: 0px;
    z-index: 999;
  }
  .title>div:nth-child(1){
    padding-left: 2%;
    font-size: 0.6rem;
    width: 75%;
  }
  .title>div:nth-child(2){
    width: 25%;
    font-size: 0.6rem;
  }
  .title>div:nth-child(2)>span:nth-child(2){
    display: none;
  }
  nav{
    display: none;
  }
  .nav2{
    display: flex;
    justify-content: space-between;
    height: 50px;
    align-items: center;
    font-size: 2rem;
    font-weight: bold;
    background-color: white;
  }
  .nav2_div{
    width: 100%;
    height: 500px;
    background: white;
    font-size: 2rem;
    font-weight: bold;
    display: none;
    position: absolute;
    left: 0;
    top: 90px;
    z-index: 99;
  }
  .nav2_div>div{
    padding: 1rem 1.5rem;
  }
  .nav2_div>div>a:hover{
    text-decoration: none;
  }
  .nav2>div{
    width: 50%;
    padding:0 2%;
  }
  .nav2>div:nth-child(2){
    text-align: right;
  }
  .collaborate{
    display: none;
  }
  .flx>img{
    opacity: 1 !important;
  }
  .footer>div:not(.footer>div:nth-child(5)){
    display: none;
  }
}
main {
  width: 82vw;
  height: 350px;
  margin: 20px auto;
  display: flex;
  background-color: #f4f4f4;
}

main div {
  height: 100%;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  margin: 0 5px;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 5px 5px 10px rgb(193, 193, 193);
}
main div p {
  white-space: nowrap;
  overflow: hidden;
  word-wrap: normal;
}
.unactive {
  flex: 1;
  transition: 0.5s;
}
.active {
  flex: 10;
  transition: 0.5s;
}
.unactive p,
.active p {
  position: relative;
  color: #fff;
  left: 50px;
}
.unactive p {
  top: 620px;
  transition: 0.5s;
}
.active p {
  top: 540px;
  transition: 0.5s;
}