.main-security {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}
.free-space {
    width: 100%;
    height: 5vw;
}
.banner {
    display: flex;
    position: relative;
    width: 100%;
    height: 40vw;
}
.banner img {
    width: 100%;
}
#icon-child-deli {
    width: 3vw;
    height: 3vw;
  }
.box-ban {
    position: absolute;
    width: 100%;
    height: 40vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    color: white;
    background-color: rgba(0, 0, 0, 0.4);
    padding: 2vw;
    font-size: 1vw;
    font-weight: 300;
}
.topic-ban {
    font-size: 5vw;
    font-weight: 500;
}
.feature-ban {
    display: flex;
    justify-content: space-between;
    width: 90%;
}
.child-ban {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.mid-child {
    font-size: 1.5vw;
    font-weight: 500;
}
.low-child {
    font-size: 1vw;
}



.sv-mean {
    display: flex;
    justify-content: space-between;
    width: 90%;
    margin-top: 6vw;
    margin-bottom: 2vw;
    padding-left: 2vw;
    padding-right: 2vw;
}
.detail-sv-mean {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    width: 35vw;
    height: 25vw;
}
.topic-sv-mean {
    font-size: 2vw;
    font-weight: 500;
    margin-left: 2vw;
}
.des-sv-mean {
    margin-top: 2vw;
    font-size: 1vw;
    text-indent: 30px;
}
.sv-img {
    width: 40vw;
    height: 25vw;
    background-color: grey;
    border-radius: 1vw;
}
.carousel-inner {
    border-radius: 1vw;
}
.sv-img img {
    width: 100%;
    height: 25vw;
    border-radius: 1vw;
}



.vdo-icon-sv {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 6vw;
    margin-bottom: 2vw;
    width: 90%;
}
.vdo-sv {
    background-color: grey;
    width: auto;
    height: 25vw;
    border-radius: 1vw;
}
.vdo-sv video {
    width: 100%;
    height: 100%;
    border-radius: 1vw;
}
.icon-sv {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-evenly;
    width: 40vw;
}
.top-icon-sv {
    display: flex;
    justify-content: space-between;
    width: 100%;
}
.bottom-icon-sv {
    display: flex;
    justify-content: space-between;
    width: 100%;
}
.child-icon-sv {
    width: 10vw;
    display: flex;
    text-align: center;
    flex-direction: column;
    align-items: center;
    font-weight: 500;
    font-size: 1vw;
}
.bg-icon-sv {
    border: 0.2vw solid black;
    width: 6vw;
    height: 6vw;
    border-radius: 3vw;
    padding: 1vw;
    margin-bottom: 1vw;
}
.bg-icon-sv img {
    width: 100%;
    height: 100%;
}


.carousel-func{
    display: flex;
    justify-content: center;
    align-items: center;
}
.rc-mean {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    height: 25vw;
    margin-top: 5vw;
    padding-left: 3vw;
    padding-right: 2vw;
}
.rc-img {
    width: 35vw;
    height: 25vw;
    border-radius: 1vw;
}
.detail-rc-mean {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 35vw;
    height: 25vw;
}
.topic-rc-mean {
    font-size: 2vw;
    font-weight: 500;
    margin-left: 2vw;
}
.des-rc-mean {
    margin-top: 2vw;
    font-size: 1vw;
    text-indent: 30px;
}
.rc-img img {
    width: 100%;
    height: 20vw;
    border-radius: 1vw;
}



.vdo-icon-rc {
    display: flex;
    justify-content: space-between;
    margin-top: 5vw;
    width: 90%;
}
.vdo-rc {
    background-color: grey;
    width: auto;
    height: 25vw;
    border-radius: 1vw;
}
.vdo-rc video {
    width: 100%;
    height: 100%;
    border-radius: 1vw;
}
.icon-rc {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-evenly;
    width: 40vw;
    font-size: 1vw;
}
.top-icon-rc {
    display: flex;
    justify-content: space-between;
    width: 100%;
}
.bottom-icon-rc {
    display: flex;
    justify-content: space-between;
    width: 100%;
}
.child-icon-rc {
    width: 10vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    font-weight: 500;
}
.bg-icon-rc {
    border: 0.2vw solid black;
    width: 6vw;
    height: 6vw;
    border-radius: 3vw;
    padding: 1vw;
    margin-bottom: 1vw;
}
.bg-icon-rc img {
    width: 100%;
    height: 100%;
}
.img-spec{
    width:auto;
    height: 35vw;
    margin-top: 2vw;
    margin-bottom: 2vw;
}
.img-spec img{
    width: 100%;
    height: 100%;
}


.spec {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    margin-top: 8vw;
}
.topic-spec {
    font-size: 2.5vw;
    font-weight: 500;
    margin-bottom: 1vw;
}



.con-n-sign {
    display: flex;
    justify-content: space-between;
    width: 100%;
    height: 20vw;
    margin-top: 5vw;
    margin-bottom: 5vw;
}
.left-box-cs {
    margin-inline-start: 5vw;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 50vw;
    height: 20vw;
}
.left-topic-cs {
    margin-inline-start: 20vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-weight: 600;
    font-size: 1.5vw;
}
.left-up-detail {
    display: flex;
    justify-content: space-between;
    width: 70%;
    margin-top: 2vw;
}
.left-ghz {
    display: flex;
    align-items: center;
    width: 20vw;
    font-weight: 500;
    font-size: 1.3vw;
}
.right-ghz {
    display: flex;
    align-items: center;
    width: 8vw;
    font-size: 2vw;
    font-weight: 600;
    color: orange;
}
.left-down-detail {
    display: flex;
    justify-content: space-between;
    width: 70%;
    margin-top: 1vw;
}
.left-km {
    display: flex;
    align-items: center;
    width: 20vw;
    font-weight: 500;
    font-size: 1.3vw;
}
.right-km {
    display: flex;
    align-items: center;
    width: 9vw;
    font-size: 2vw;
    font-weight: 600;
    color: orange;
}
.line-cs {
    width: 0.2vw;
    height: 20vw;
    background-color: rgb(129, 129, 129);
}
.right-box-cs {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 50vw;
    height: 20vw;
}
.right-topic-cs {
    margin-inline-end: 20vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-weight: 600;
    font-size: 1.5vw;
}
.right-up-detail {
    margin-inline-end: 20vw;
    display: flex;
    align-items: center;
    font-size: 2vw;
    font-weight: 600;
    color: orange;
    margin-top: 2vw;
}
.right-mid-detail {
    margin-inline-end: 20vw;
    display: flex;
    align-items: center;
    font-size: 2vw;
    font-weight: 600;
    color: orange;
    margin-top: 1vw;
}
.right-down-detail {
    margin-inline-end: 20vw;
    font-weight: 500;
    font-size: 1vw;
}


@media only screen and (max-width: 700px) {
    .free-space {
        width: 100%;
        height: 10vw;
    }
    .banner {
        display: flex;
        position: relative;
        width: 100%;
        height: 60vw;
    }
    .banner img {
        width: 100%;
        object-fit: cover;
    }
    .box-ban {
        position: absolute;
        width: 100%;
        height: 60vw;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: space-between;
        color: white;
        background-color: rgba(0, 0, 0, 0.4);
        padding: 2vw;
        font-size: 1vw;
        font-weight: 300;
    }
    .topic-ban {
        font-size: 8vw;
        font-weight: 500;
    }
    .feature-ban {
        display: flex;
        justify-content: space-between;
        width: 98%;
    }
    #icon-child-deli {
        width: 7vw;
        height: 7vw;
    }
    .child-ban {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .mid-child {
        margin-top: 2vw;
        font-size: 3vw;
        font-weight: 500;
    }
    .low-child {
        font-size: 1.5vw;
    }
    
    
    
    .sv-mean {
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        margin-top: 6vw;
        margin-bottom: 2vw;
        padding-left: 2vw;
        padding-right: 2vw;
    }
    .detail-sv-mean {
        display: flex;
        align-items: center;
        flex-direction: column;
        width: 90vw;
        height: auto;
    }
    .topic-sv-mean {
        font-size: 7vw;
        font-weight: 500;
        margin-left: 2vw;
    }
    .des-sv-mean {
        margin-top: 5vw;
        font-size: 3.5vw;
        text-indent: 30px;
        margin-bottom: 5vw;
    }
    .sv-img {
        width: 80vw;
        height: 40vw;
        background-color: grey;
        border-radius: 2vw;
        margin-top: 10vw;
    }
    .carousel-inner {
        border-radius: 2vw;
    }
    .sv-img img {
        width: 100%;
        height: auto;
        border-radius: 2vw;
    }
    
    
    
    .vdo-icon-sv {
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-top: 20vw;
        margin-bottom: 2vw;
        width: 90%;
    }
    .vdo-sv {
        background-color: grey;
        width: 90vw;
        height: 50vw;
        border-radius: 2vw;
    }
    .vdo-sv video {
        width: 100%;
        height: 100%;
        border-radius: 2vw;
    }
    .icon-sv {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: space-evenly;
        width: 80vw;
        margin-top: 15vw;
    }
    .top-icon-sv {
        display: flex;
        justify-content: space-between;
        width: 100%;
        gap: 15vw;
    }
    .bottom-icon-sv {
        display: flex;
        justify-content: space-between;
        width: 100%;
        margin-top: 5vw;
        gap: 15vw;
    }
    .child-icon-sv {
        width: 30vw;
        display: flex;
        text-align: center;
        flex-direction: column;
        align-items: center;
        font-weight: 500;
        font-size: 1vw;
    }
    .bg-icon-sv {
        border: 0.2vw solid black;
        width: 15vw;
        height: 15vw;
        border-radius: 10vw;
        padding: 1vw;
        margin-bottom: 1vw;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .bg-icon-sv img {
        width: 70%;
        height: 70%;
    }
    .icon-font {
        font-size: 2.3vw;
    }
    
    
    
    .rc-mean {
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 90%;
        height: auto;
        margin-top: 10vw;
        padding-left: 3vw;
        padding-right: 2vw;
    }
    .rc-img {
        width: 80vw;
        height: 40vw;
        border-radius: 1vw;
        display: flex;
        justify-content: center;
    }
    .carousel-func{
        display: flex;
        justify-content: center;
        align-items: center;
        width: 50vw;
    }
    .detail-rc-mean {
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
        margin-top: 10vw;
        width: 80vw;
        height: auto;
    }
    .topic-rc-mean {
        font-size: 7vw;
        font-weight: 500;
        margin-left: 2vw;
    }
    .des-rc-mean {
        margin-top: 2vw;
        font-size: 3.5vw;
        text-indent: 30px;
    }
    .rc-img img {
        width: 100%;
        height: 40vw;
        border-radius: 1vw;
    }
    
    
    
    .vdo-icon-rc {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        align-items: center;
        margin-top: 10vw;
        width: 90%;
    }
    .vdo-rc {
        background-color: grey;
        width: auto;
        height: 45vw;
        width: 80vw;
        margin-top: 15vw;
        border-radius: 2vw;
    }
    .vdo-rc video {
        width: 100%;
        height: 100%;
        border-radius: 2vw;
    }
    .icon-rc {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: space-evenly;
        width: 80vw;
        margin-top: 5vw;
    }
    .top-icon-rc {
        display: flex;
        justify-content: space-between;
        width: 100%;
        gap: 15vw;
    }
    .bottom-icon-rc {
        display: flex;
        justify-content: space-between;
        width: 100%;
        margin-top: 5vw;
        gap: 15vw;
    }
    .child-icon-rc {
        width: 30vw;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        font-weight: 500;
    }
    .bg-icon-rc {
        border: 0.2vw solid black;
        width: 15vw;
        height: 15vw;
        border-radius: 10vw;
        padding: 1vw;
        margin-bottom: 1vw;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .bg-icon-rc img {
        width: 70%;
        height: 70%;
    }
    
    
    
    .spec {
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        margin-top: 15vw;
    }
    .topic-spec {
        font-size: 6vw;
        font-weight: 500;
        margin-bottom: 1vw;
    }
    .img-spec {
        width:100vw;
        height: 55vw;
        margin-top: 2vw;
        margin-bottom: 2vw;
    }
    .img-spec img {
        width: 100%;
        height: 100%;
    }
    
    
    
    .con-n-sign {
        display: flex;
        justify-content: space-between;
        width: 100%;
        height: auto;
        margin-top: 10vw;
        margin-bottom: 15vw;
    }
    .left-box-cs {
        margin-inline-start: 5vw;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        width: 50vw;
        height: auto;
    }
    .left-topic-cs {
        margin-inline-start: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        font-weight: 600;
        font-size: 3vw;
        height: 10vw;
    }
    .left-up-detail {
        display: flex;
        justify-content: space-between;
        width: 90%;
        margin-top: 2vw;
    }
    .left-ghz {
        display: flex;
        align-items: center;
        width: 66%;
        font-weight: 500;
        font-size: 2.2vw;
    }
    .right-ghz {
        display: flex;
        justify-content: flex-start;
        align-items: center;
        width: 30%;
        font-size: 3vw;
        font-weight: 600;
        color: orange;
    }
    .left-down-detail {
        display: flex;
        justify-content: space-between;
        width: 90%;
        margin-top: 1vw;
    }
    .left-km {
        display: flex;
        align-items: center;
        width: 66%;
        font-weight: 500;
        font-size: 2.2vw;
    }
    .right-km {
        display: flex;
        justify-content: flex-start;
        align-items: center;
        width: 30%;
        font-size: 3vw;
        font-weight: 600;
        color: orange;
    }
    .line-cs {
        width: 0.2vw;
        height: auto;
        background-color: rgb(129, 129, 129);
    }
    .right-box-cs {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        width: 50vw;
        height: auto;
    }
    .right-topic-cs {
        margin-inline-end: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        font-weight: 600;
        font-size: 3vw;
        height: 10vw;
    }
    .right-up-detail {
        margin-inline-end: 0;
        display: flex;
        align-items: center;
        font-size: 3vw;
        font-weight: 600;
        color: orange;
        margin-top: 2vw;
    }
    .right-mid-detail {
        margin-inline-end: 0;
        display: flex;
        align-items: center;
        font-size: 3vw;
        font-weight: 600;
        color: orange;
        margin-top: 1vw;
    }
    .right-down-detail {
        margin-inline-end: 0;
        font-weight: 500;
        font-size: 2vw;
    }
}