@charset "UTF-8";
.sub_menu .navbar .navbar-nav .nav-item:nth-child(3) .dropdown-menu .dropdown-item {
    padding: 0.25rem 4.45rem !important;
}

.bi .section .section_box {
    padding-top: 0;
}

.bi .section2 {
    padding-bottom: 50px;
}

.bi .section2 .section_box .cont_box .tac img {
    max-width: 540px;
    width: 100%;
}
.bi .section2 .section_box .cont_box .box_title {
    font-size: 40px;
    font-weight: 600;
    padding: 10px 0 25px 0;
}
.bi .section2 .section_box .cont_box .txt {
    font-size: 20px;
    font-weight: 400;
    color: #555;
    line-height: 12px;
}
.bi .section3 .section_box .cont_box .cont {
    text-align: center;
    padding-bottom: 100px;
}
.bi .section3 .section_box .cont_box .cont img {
    margin: auto;
}
.bi .section3 .section_box .sub_title {
    font-size: 35px;
    font-weight: 600;
    color: #222;
    margin: auto;
    padding-bottom: 60px;
}
.bi .section3 .section_box .txt_box {

}
.bi .section3 .section_box .txt_box .title {
    font-size: 20px;
    font-weight: 600;
    padding-bottom: 5px;
}
.bi .section3 .section_box .txt_box .txt {
    font-size: 18px;
    color: #777;
    line-height: 20px;
}
@media (max-width:991.9px) {
    .bi .section2 .section_box .cont_box .box_title {
        font-size: 30px;
        padding: 10px 0 15px 0;
    }
    .bi .section2 .section_box .cont_box .txt {
        font-size: 14px;
    }
}
@media (max-width:767.9px) {
    .bi .section2 .section_box .cont_box .txt_box {
        max-width: 540px;
        margin: auto;
    }
    .bi .section2 .section_box .cont_box .box_title {
        font-size: 30px;
        padding: 10px 0 15px 0;
    }
    .bi .section2 .section_box .cont_box .txt {
        font-size: 14px;
    }
    .bi .section3 .section_box .txt_box .title {
        font-size: 12px;
    }
    .bi .section3 .section_box .txt_box .txt {
        font-size: 9px;
    }
}