/* 關於BN */
.bn_bg, .bn_women, .bn_balloons, .bn_flowers, .bn_title, .bn_bg_sp, .bn_title_sp, .bn_flowers_sp, .bn_button_sp {
    position: absolute;
}

.bgPc {
    height: 36.46vw;
    display: block;
}

.bgSp {
    height: 138.89vw;
    display: none;
}

.bn_women {
    animation: bn_women 3s infinite linear;
}
@keyframes bn_women {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(0.96);
    }
}

.bn_balloons {
    animation: bn_balloons 3s infinite linear;
}
@keyframes bn_balloons {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(0.96);
    }
}

.bn_flowers {
    animation: bn_flowers 6s infinite linear;
}
@keyframes bn_flowers {
    0% {
        transform: rotate(0deg);
    }
    50% {
        transform: rotate(3deg);
    }
}

.students {
    background-image: url(../images/footerBg.png);
    background-size: 100% auto;
    background-repeat: no-repeat;
    background-position: center bottom;
}


/* 手機板BN */
@media screen and (max-width: 1024px) {

    .bgPc {
        height: 36.46vw;
        display: none;
    }
    
    .bgSp {
        height: 138.89vw;
        display: block;
    }

    .bn_button_sp {
        animation: bn_button_sp 2s infinite linear;
    }
    @keyframes bn_button_sp {
        0% {
            transform: scale(1);
        }
        50% {
            transform: scale(0.96);
        }
    }
}