.product-additional-block{
    border: 8px solid #F5F5F5;
    margin-bottom: 16px;
}
.product-additional-block .product-additional-top-block{
    padding: 16px;
}
.product-additional-block .product-additional-title i{
    width: 24px;
    height: 24px;
    display: inline-block;
    vertical-align: top;
    background: url(../../../img/computer/calculator.svg) 24px 24px;
    margin-right: 8px;
}
.product-additional-block .product-additional-title span{
    font-size:16px;
    color:#222;
    font-weight: 700;
    line-height: 24px;
}
.product-additional-block .product-additional-tips{
    font-size:12px;
    color:#999;
    margin: 6px 0 12px;
    line-height: 16px;
}
.product-additional-block .calculate-block .input-block{
    display: inline-block;
    vertical-align: top;
    background-color: #F2F2F2;
    position: relative;
    border-radius: 4px;
    padding: 9px 16px;
    margin-right: 8px;
}
.product-additional-block .calculate-block .input-block input::placeholder{
    color:#ccc;
}
.product-additional-block .calculate-block .input-block input{
    background-color: #f2f2f2;
    border: 0;
    outline: none;
    font-size: 16px;
    line-height: 22px;
    padding: 0;
    width: 170px;
    vertical-align: top;
}
.product-additional-block .calculate-block .input-block span{
    display: inline-block;
    line-height: 20px;
    font-size:14px;
    color:#666;
    vertical-align: top;
}
.product-additional-block .calculate-block button{
    display: inline-block;
    vertical-align: top;
    line-height: 20px;
    padding: 10px 16px;
    text-align: center;
    color:#fff;
    font-size:14px;
    font-weight: 700;
    background-color:#222;
    border:0;
    border-radius: 4px;
}
.product-additional-block .error-tips{
    color:#FF3838;
    font-size:14px;
    line-height: 20px;
    margin: 8px 0;
    display: none;
}
.product-additional-block .product-additional-bottom-block{
    border-top: 1px solid #F5F5F5;
    padding: 0 20px 20px;
    display: none;
}
.product-additional-block .calculate-result{
    font-size: 0;
    margin-bottom:4px;
}
.product-additional-block .calculate-result-item{
    display: inline-block;
    vertical-align: top;
    width: 50%;
    padding: 16px;
}
.product-additional-block .calculate-result-item .item-title{
    font-size: 24px;
    font-weight: 700;
    color:#222;
    line-height: 32px;
    display: block;
}
.product-additional-block .calculate-result-item .item-title span{
    font-size: 24px;
    font-weight: 700;
    color:#222;
    line-height: 32px;
}
.product-additional-block .calculate-result-item .item-text{
    font-size: 14px;
    font-weight: 400;
    color:#222;
    line-height: 20px;
    display: block;
}
.product-additional-block .potential-waste{
    width: 16px;
    height: 16px;
    border: 1px solid #E5E5E5;
    border-radius: 4px;
    background: #fff;
    display: inline-block;
    vertical-align: top;
    cursor: pointer;
    position: relative;
    margin-right: 8px;
}
.product-additional-block .potential-waste.selected:after{
    content:'';
    position: absolute;
    border:2px solid #222;
    border-top: none;
    border-right: none;
    width: 8px;
    height: 5px;
    transform: rotate(-45deg);
    right: 3px;
    top: 4px;
}
.product-additional-block .product-additional-bottom-block .potential-waste-block{
    user-select: none;
}