.index_wrap {
    padding-bottom: 1.6rem;
    
}


/* 弧K值 */

.arc_num_wrap {
    margin: 0 auto;
    text-align: center
}

.arc_num_word {
    color: #06121E;
    font-size: 0.36rem;
    margin: 0.24rem 0 0.32rem;
}

.arc_num {
    columns: #06121E;
    font-size: 0.96rem;
    margin-bottom: 0.46rem;
    font-weight: bold;
}


/* 切换K-e值 */

.choice_wrap {
    padding: 0 0.32rem;
}

.choice_box {
    width: 100%;
    background-color: #fff;
    box-shadow: 0 0.16rem 0.32rem rgba(0, 0, 0, 0.04);
    border-radius: 0.16rem;
}

.choice_title {
    color: #5B5E63;
    font-size: 0.32rem;
    background-color: #EEEEEE;
    height: 0.92rem;
    line-height: 0.92rem;
    border-radius: 0.16rem 0.16rem 0 0;
}

.choice_title_l {
    width: 50%;
    float: left;
    text-align: center;
}


/* 左侧 */

.choice_active_l {
    color: #06121E;
    height: 100%;
    position: relative;
    background-image: url("../img/left_bg@2x.png");
    background-position: 0 0;
    background-repeat: no-repeat;
    background-size: cover;
}

.choice_active_l::after {
    position: absolute;
    left: 50%;
    bottom: 0.1rem;
    transform: translateX(-50%);
    -o-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    content: "";
    width: 0.32rem;
    height: 0.06rem;
    background-color: #3861BB;
}


/* 右侧 */

.choice_active_r {
    color: #06121E;
    height: 100%;
    position: relative;
    background-image: url("../img/right_bg@2x.png");
    background-position: 0 0;
    background-repeat: no-repeat;
    background-size: cover;
}

.choice_active_r::after {
    position: absolute;
    left: 50%;
    bottom: 0.1rem;
    transform: translateX(-50%);
    -o-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    content: "";
    width: 0.32rem;
    height: 0.06rem;
    background-color: #3861BB;
}


/* 表单 */

.form_wrap {
    background-color: #fff;
    width: 100%;
    border-radius: 0.16rem;
}

.form_box {
    padding: 0.64rem 0.48rem;
}


/* 输入框 */

.input_single {
    margin-bottom: 0.28rem;
}


/* 定ac */

.inp_sin_l {
    color: #06121E;
    font-size: 0.32rem;
    margin-right: 0.24rem;
    width: 34%;
}


/* 定tac */

.inp_two_l {
    color: #06121E;
    font-size: 0.32rem;
    width: 65%;
}

.input_single input {
    height: 0.8rem;
    border: 0.02rem solid rgba(189, 196, 206, 1);
    border-radius: 0.16rem;
    text-align: center;
    width: 60%;
    font-weight: bold;
    font-size: 0.32rem;
}

.input_single .second_input {
    width: 50%
}


/* 按钮 */

.btn_group {
    font-size: 0.32rem;
}

.btn_l,
.btn_e_l {
    padding: 0.26rem 0.48rem;
    background-color: #EEEEEE;
    color: #06121E;
    border-radius: 0.16rem;
    margin-right: 0.24rem;
}

.btn_r,
.btn_e_r {
    padding: 0.26rem 1.62rem;
    border-radius: 0.16rem;
    color: #fff;
    background-color: #14316f;
}


/* 推荐档位 */

.gear_wrap {
    position: relative;
}

.gear_wrap::after {
    position: absolute;
    left: 50%;
    bottom: 0.76rem;
    content: "";
    width: 0.02rem;
    height: 0.72rem;
    background-color: #BDC4CE;
}

.gear_l {
    width: 50%;
}

.tac_tips {
    display: flex;
    justify-content: center;
}