body{
    width: 100%;
    min-width:320px;
    max-width:640px;
    margin:0 auto;
    background: #fff;
    font-size:14px;
    font-family: -apple-system,Helvetica,sans-serif;
    line-height:1.5;
}
ul,li{
    margin:0;
    padding:0;
    list-style:none;
}
.title{
    margin-top:20px;
    font-weight: 400;
    font-size: 20px;
    line-height:1.3;
    text-align: justify;
    letter-spacing: 0.04em;
    color: #303133;
}
.box{
    padding:22px 0 22px 0;
    border-bottom: 1px dashed #EBEEF5;
}
.box-title{
    font-size: 16px;
    line-height: 24px;
    text-align: justify;
    letter-spacing: 0.04em;
    color: #303133;
}
.box-title span{
    color:#FF4D4F;
}
.box-ul ul{
    margin-top:10px;
}
.box-ul .choice{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.box-ul ul li{
    height:38px;
    display: flex;
    align-items: center;
    position: relative;
    cursor: pointer;
    padding-left:28px;
    margin:6px 0;
}
.box-ul .choice li{
    width:33.33%;
}
.box-ul .choice .radio-txt{
    width:30%;
}
.box-ul .choice .choice-max{
    width:100%;
}
.box-flex ul{
    display: flex;
    flex-wrap: wrap;
}
.box-flex ul li:nth-child(3),
.box-flex ul li:nth-child(1){
    width:33%;
}
.box-flex ul li:nth-child(4),
.box-flex ul li:nth-child(2){
    width:66%;
    padding-left:10px;
}
.box-ul .choice li:last-child{
    flex:1;
    padding-left: 0;
}
.box-ul .radiobox li.txt-max{
    height:80px;
}
.box-ul ul li::before{
    content:'';
    width:18px;
    height:18px;
    border-radius: 50%;
    border: 1.25px solid #B3B9C4;
    position: absolute;
    left:0;
    top:50%;
    transform: translateY(-50%);
    -ms-transform:translateY(-50%);
    -moz-transform:translateY(-50%);
    -webkit-transform:translateY(-50%);
    -o-transform:translateY(-50%);
    transition: all .2s;
}
.box-ul ul li.active::before{
    background: #4765FF url(../image/arrow.svg) no-repeat center;
    background-size:12px 8px;
    border: 1.25px solid #4765FF;
}
.box-ul ul li input[type='checkbox'],
.box-ul ul li input[type='radio']{
    display: none;
}
.box-ul ul li span{
    font-size: 15px;
    letter-spacing: 0.04em;
    color: #303133;
}
.box-ul ul li.box-name::before,
.box-ul ul li.box-txt::before{
    display: none;
}
.box-ul ul li.box-name input,
.box-ul ul li.box-txt input{
    background: #F5F6F8;
    border-radius: 6px;
    border:none;
    height:38px;
    width:calc(100% - 26px);
    padding:0 10px;
    font-size: 15px;
    letter-spacing: 0.04em;
    color: #606266;
}
.box-ul ul li.box-txt input.erro,
.box-ul ul li.box-name input.erro{
    border: 1px solid #FF0000;
}
.box-ul ul li.box-txt input.erro::input-placeholder,
.box-ul ul li.box-name .erro::input-placeholder{
    color:red;
}
.box-ul ul li.box-txt input.erro::-webkit-input-placeholder,
.box-ul ul li.box-name .erro::-webkit-input-placeholder { /* WebKit browsers */ 
    color: red; 
}
.box-ul ul li.box-txt input.erro::-moz-placeholder,
.box-ul ul li.box-name .erro::-moz-placeholder { /* Mozilla Firefox 4 to 18 */ 
    color: red; 
}
.box-ul ul li.box-txt input.erro::-moz-placeholder,
.box-ul ul li.box-name .erro::-moz-placeholder { /* Mozilla Firefox 19  */ 
    color: red; 
}
.box-ul ul li.box-txt input.erro::-ms-input-placeholder,
.box-ul ul li.box-name .erro::-ms-input-placeholder { /* Internet Explorer 10  */ 
    color: red; 
}

.box-ul ul li.box-name input{
    width:calc(100% - 0);
    margin-left:0;
}
.box-ul ul li.box-name{
    padding-left:0;
}
.box-info{
    height:120px;
    width:100%;
    display: none;
}
.box-info p{
    width:100%;
    height:100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 16px;
    letter-spacing: 0.04em;
    color: #4765FF;
}
.box-sub{
    width:80%;
    max-width:500px;
    height:50px;
    border:0 none;
    background: #0D6CE2;
    border-radius: 6px;
    margin:40px auto 50px auto;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 16px;
    line-height: 22px;
    color: #FFFFFF;
    
    /* bottom:0;
    position: fixed;
    left:50%;
    transform: translateX(-50%);
    -ms-transform:translateX(-50%);
    -moz-transform:translateX(-50%);
    -webkit-transform:translateX(-50%);
    -o-transform:translateX(-50%); */
}
.box-flex ul li.box-txt input{
    width:100%;
}

/* 欢迎页面  */
.wbox-name{
    margin-top:20px;
    font-size: 26px;
    line-height: 1.3;
    text-align: center;
    letter-spacing: 0.04em;
    color: #303133;
}
.wbox-pic{
    margin-top:20px;
}
.wbox-pic img{
    max-width:100%;
}
.wbox-desc{
    font-size: 13px;
    line-height: 180%;
    text-align: justify;
    letter-spacing: 0.04em;
    color: #303133;
    margin-top:15px;
}
.code{
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top:15px;
}
.code p{
    width:45%;
    margin-bottom:10px;
}
.code p img{
    max-width:100%;
}
.code span{
    font-size: 20px;
    line-height: 26px;
    letter-spacing: 0.04em;
    color: #303133;
}
.add{
    display: flex;
    flex-direction: column;
    align-items: center;
    border-top: 1px dashed #EBEEF5;
    margin-top:20px;
    padding:20px 0 40px 0;
}
.add p{
    font-size: 16px;
    line-height: 24px;
    letter-spacing: 0.04em;
    color: #303133;
    margin-bottom:4px;
}