.box {
    width: 100%;
    height: auto;
    padding-bottom: 0.8rem;
    background-color: #fff;
    overflow: hidden;
}

input::-webkit-input-placeholder {
    font-size: 0.14rem;
    color: #ccc;
}

/* 头部 */
.header {
    width: 100%;
    height: 0.46rem;
    padding: 0 0.1rem;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999999;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    box-sizing: border-box;
    background-color: #EF2B25;
}

.header h3 {
    font-size: 0.18rem;
    color: #fff;
}

/* section */
.section {
    width: 90%;
    height: auto;
    margin: 0.8rem auto 0;
    overflow: hidden;
}

.section h3 {
    width: 100%;
    height: auto;
    font-size: 0.14rem;
    color: #333;
    line-height: 0.3rem;
}

.input {
    width: 100%;
    height: 0.3rem;
    margin-bottom: 0.3rem;
    display: flex;
    border: 0.01rem solid #ccc;
    box-sizing: border-box;
}

.input span {
    float: left;
    display: block;
    width: 0.28rem;
    height: 0.28rem;
    font-size: 0.14rem;
    color: #999;
    line-height: 0.28rem;
    text-align: center;
    background-color: #eee;
}

.input input {
    display: block;
    width: 100%;
    height: 0.28rem;
    padding: 0 0.1rem;
    font-size: 0.14rem;
    color: #333;
    line-height: 0.28rem;
    box-sizing: border-box;
    border-left: 0.01rem solid #ccc;
}

/* 单选项 */
.radio {
    width: 100%;
    height: auto;
    padding-bottom: 0.5rem;
    border-bottom: 0.01rem solid #eee;
    overflow: hidden;
}

.radio li {
    height: 0.3rem;
    display: flex;
    position: relative;
}

.radio li span {
    font-size: 0.16rem;
    color: #333;
    line-height: 0.3rem;
}

input[type="radio"] {
    width: 0.15rem;
    height: 0.15rem;
    opacity: 0;
    margin-right: 0.2rem;
}

label {
    position: absolute;
    top: 0.07rem;
    left: 0.05rem;
    width: 0.15rem;
    height: 0.15rem;
    border-radius: 50%;
    border: 0.01rem solid #999;
}

/* 选中的样式 */
/* + 是兄弟选择器，获取后面选中的label元素 */
input:checked+label {
    border: 0.01rem solid #fe6d32;
    background-color: #fe6d32;
}

/* 添加的加号与label进行拼接（一个矩形边框去掉上和左的边框），再旋转45度 */
input:checked+label::after {
    position: absolute;
    content: "";
    width: 0.03rem;
    height: 0.08rem;
    top: 0.02rem;
    left: 0.05rem;
    border: 0.01rem solid #fff;
    border-top: none;
    border-left: none;
    transform: rotate(45deg)
}

.submit {
    width: 1rem;
    height: 0.4rem;
    margin: 0.5rem 0 0 5%;
    background-color: #4d90fe;
}

.submit a {
    display: block;
    font-size: 0.14rem;
    color: #fff;
    line-height: 0.4rem;
    text-align: center;
}