.sub-promotion {
    position: relative;
    height: 100vh;
    height: 100svh;
    background-color: #000;
}

.sub-promotion-wrapper {
    width: 1300rem;
    z-index: 2;
}

.sub-p-text h5 {
    color: #fff;
    font-size: 55px;
    font-weight: 700;
}

.sub-p-text p {
    width: 600rem;
    color: #fff;
    font-size: 16px;
    line-height: 1.6;
    margin-top: 30px;
}

.sub-p-text p b {
    display: block;
    font-size: 20px;
    margin-bottom: 12px;
}


.mq {
    overflow: hidden;
}

.mq-title {
    text-align: center;
    margin-bottom: 80rem;
}

.mq-title h5 {
    color: #222;
    font-size: 45px;
}

.marquee-group {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 30rem;
}

.marquee {
    will-change: transform;
    animation: marquee2 10s linear infinite;
}

.marquee.reverse {
    animation: marquee1 10s linear infinite;
}

@keyframes marquee1 {
    0% {
        transform: translateX(-50%);
    }

    100% {
        transform: translateX(0%);
    }
}

@keyframes marquee2 {
    0% {
        transform: translateX(0%);
    }

    100% {
        transform: translateX(-50%);
    }
}

.marquee {
    display: flex;
    gap: 30rem;
}

.marquee img {
    height: 320rem;
    border-radius: 20rem;
}


.sr::before {
    content: '';
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(to right, #00000080, transparent);
    z-index: 1;
}

.roller {
    background: url(../images/roller-bg.png) no-repeat;
    background-size: cover;
}
.lock {
    background: url(../images/lock-bg.png) no-repeat;
    background-size: cover;
}
.door {
    background: url(../images/door-bg.png) no-repeat;
    background-size: cover;
}
.srmd {
    background: url(../images/srmd-bg.png) no-repeat;
    background-size: cover;
}
.isr {
    background: url(../images/isr-bg.png) no-repeat;
    background-size: cover;
}
.is1 {
    background: url(../images/is1-bg.png) no-repeat;
    background-size: cover;
}
.is2 {
    background: url(../images/is2-bg.png) no-repeat;
    background-size: cover;
}



@media (max-width: 1350px) {
    .sub-promotion-wrapper {
        width: 90%;
    }
}


@media (max-width: 768px) {
    .sub-promotion::before {
        content: '';
        position: absolute;
        top: 0; left: 0;
        width: 100%;
        height: 100vh;
        height: 100svh;
        background-color: #00000050;
        z-index: 1;
    }
    
    .sub-p-text p {
        width: 90%;22323
    }
    
    .sub-p-text p br {
        display: none;
    }
    
    .mq-title h5 {
        font-size: 36px;
    }
}


@media (max-width: 550px) {
    .sub-p-text h5 {
        font-size: 90rem;
    }

    .sub-p-text p {
        font-size: 30rem;
    }

    .sub-p-text p b {
        font-size: 40rem;
    }
    
    .mq-title h5 {
        font-size: 60rem;
    }
}