input::-webkit-outer-spin-button, input::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

input[type="number"] {
    -moz-appearance: textfield;
}

.top_bg {
    width: 100%;
    height: auto;
}

.questionnaire_title {
    margin: 85px auto 35px;
    font-size: 32px;
    font-weight: 500;
    text-align: center;
    color: #1A2736;
    line-height: 40px;
}

.questionnaire_desc {
    font-size: 16px;
    color: #5E6978;
    line-height: 30px;
    text-align: center;
}

.questionnaire_form {
    width: 1200px;
    margin: 25px auto 180px;
}

.questionnaire_form .form_item {
    margin-top: 35px;
    position: relative;
}

.form_item .item_label {
    display: block;
    font-size: 16px;
    color: #5E6978;
    line-height: 30px;
    margin-bottom: 10px;
}

.form_item .item_input {
    width: 100%;
    height: 38px;
    border: 1px solid #C8C8C8;
    padding: 4px 15px;
    transition: all 0.2s linear;
    border-radius: 4px;
    box-sizing: border-box;
}

.form_item .send_bt {
    position: absolute;
    width: 110px;
    top: 44px;
    right: 0;
    text-align: center;
    border-left: 1px solid #D6D6D6;
    font-size: 16px;
    color: #007fdf;
    line-height: 30px;
    cursor: pointer;
    user-select: none;
}

.form_item .send_bt.disabled {
    color: #C8C8C8;
    cursor: not-allowed;
}

.form_item .item_tips {
    display: none;
    position: absolute;
    top: 44px;
    right: 15px;
    font-size: 14px;
    color: #FF0000;
    line-height: 30px;
    font-weight: 300;
    transition: all 0.3s linear;
}

.form_item.code .item_tips {
    right: 125px;
}

.form_item select {
    width: 100%;
    height: 38px;
    padding: 6px 15px;
    font-size: 16px;
    color: #5E6978;
    line-height: 30px;
    appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
    transition: all 0.2s linear;
    border: 1px solid #C8C8C8;
}

.form_item select option {
    font-size: 16px;
    color: #5E6978;
    line-height: 30px;
    padding: 6px 15px;
}

.form_item textarea {
    width: 100%;
    border: 1px solid #C8C8C8;
    padding: 10px 15px;
    border-radius: 4px;
    box-sizing: border-box;
    transition: all 0.2s linear;
}

.form_item .item_input:focus, .form_item select:focus, .form_item textarea:focus {
    color: #495057;
    background-color: #fff;
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 1px #007fdf;
}

.form_item .item_radio {
    padding-left: 25px;
    margin-bottom: 4px;
}

.form_item .item_radio label {
    font-size: 16px;
    color: #5E6978;
    line-height: 30px;
    cursor: pointer;
}

.questionnaire_form .form_sub {
    margin: 150px auto 0;
    width: 180px;
    height: 56px;
    background: #DAE0E6;
    border-radius: 4px;
    font-size: 20px;
    color: #97A4B6;
    line-height: 56px;
    text-align: center;
    cursor: not-allowed;
    user-select: none;
}

.questionnaire_form .form_sub.active {
    color: #FFFFFF;
    background: #1C9AFD;
    cursor: pointer;
}

@media screen and (max-width: 1440px) {
    .questionnaire_desc {
        width: 80%;
        margin-left: auto;
        margin-right: auto;
    }
    .questionnaire_form {
        width: 80%;
    }
}

@media screen and (max-width: 425px) {
    .questionnaire_title {
        margin-top: 50px;
    }
}