html,body{
    /* border: 0; */
    margin: 0;
    padding: 0;
}
.wrap{
    height: 100vh;
    width: 100vw;
    background-size: 100% 100%;
    background-repeat: no-repeat;
    overflow-x: hidden;
    overflow-y: scroll;
    -webkit-overflow-scrolling: touch;
    background-position: top center;
}



.index-title{
    width: 80vw;
    margin: 10vw;
}
.bottom-logo{
    position: absolute;
    bottom: 4vw;
    left: 40vw;
    width: 20vw;
}
.btns{
    display: flex;
    padding: 10vw;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.btn{
    flex: 0 0 45%;
    margin-bottom: 10vw;
    padding: 4vw 0;
    font-size: 16px;
    color: #238FF1;
    border: 0.5vw solid #1281E6;
    border-bottom: 1.5vw solid #1281E6;
    background-color: #fff;
    border-radius: 2vw;
    font-weight: bold;
}
.btn a{
    text-decoration: none;
    color: inherit;
}


.helper-list{
    padding: 5vw;
    /* min-height: 50vh; */
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
}
.tip{
    width: 100%;
    text-align: right;
    color: #1281E6;
    font-size: 16px;
    font-weight: bold;
}
.helper{
  /* flex:  0 0 33%; */
  text-align: center;
  height: 20vw;
  display: flex;
  align-items: center;
    margin: 0 30px 0 0;
}

.helper img{
    height: 35%;
}
.helper.square img{
    height: 75%;
}
.goNext{
    display: inline-block;
    width: 40vw;
    margin: 5vw 30vw;
}
.goNext img{
    width: 100%;
}

.story-list{
    padding: 5vw;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: stretch;
}

.story-item{
    width: 48%;
    /* display: inline-block; */
    margin-bottom: 5vw;
    display: flex;
    flex-direction: column;
}


.story-item .img-box{
    width: 100%;
    line-height: 0;
    flex: 0 0 auto;
}
.story-item .img-box img{
    width: 100%;
    border-top-left-radius: 2vw;
    border-top-right-radius: 2vw;
}
.story-item .infos{
    background-color: #1281E6;
    color: #fff;
    padding: 2vw;
    border-bottom-left-radius: 2vw;
    border-bottom-right-radius: 2vw;
    flex: 1 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}
.story-item .infos .title{
    font-weight: bold;
    font-style: 18px;
    margin-bottom: 6px;
}
.story-item .infos .name{
    margin-bottom: 6px;
}
.story-item .infos .story{
    font-weight: lighter;
    font-size: 14px;
}

.tu{
    text-align: right;
    width: 100%;
}
.tu img{
    width: 30vw;
}