.box {
    position: relative;
}



.showup {
    transform: translateY(0) !important;
    opacity: 1 !important;
    z-index: 888;
}


.com_font_5size {
    font-weight: 900;
    font-size: 4rem;
    font-style: oblique;
}

.com_font {
    font-weight: 900;
    font-size: 7rem;
    font-style: oblique;
}



.box1_title {
    position: absolute;
    top: 13%;
    left: 32%;
    width: 42%;
    font-family: 'Montserrat-Regular';
    font-size: 4.5rem;
    line-height: 8rem;
    /* font-weight: 600; */
    color: black;
}


.box1_img1 {
    position: absolute;
    top: 25%;
    right: 26%;
    width: 18%;
}

.box1_img2 {
    position: absolute;
    top: 31%;
    right: 50%;
    width: 18%;
}

@media screen and (max-width: 782px) {
   .box1_title {
    top: 13%;
    left: 0%;
    width: 100%;
    font-size: 2.5rem;
    text-align: center;
}
    .box1_title p {
        font-size: 1.3rem;
    }

   .box1_img1 {
    position: absolute;
    top: 29%;
    right: 7%;
    width: 40%;
}
.box1_img2 {
    position: absolute;
    top: 37%;
    right: 46%;
    width: 40%;
}

}


.box2_top_title {
    position: absolute;
    top: 4%;
    left: 5%;
    color: rgb(0 0 0);
    transition: all 1s;
    transform: translateY(4rem);
    opacity: 0;
    width: 90%;
    font-size: 3rem;
    text-align: center;
}

.box2_top_title p {
    font-size: 2rem;
    text-align: center;
    font-weight: 500;
    color: black;
}


@media screen and (max-width: 782px) {
   .box2_top_title {
    top: 5%;
    left: 1%;
    opacity: 0;
    width: 100%;
    font-size: 1.9rem;
    text-align: center;
}

    .box2_top_title p {
        font-size: 1.22rem;
        text-align: center;

    }



}



.box3_top_title {
    position: absolute;
    top: 4%;
    /* right: 31%; */
    transition: all 1s;
    transform: translateY(4rem);
    opacity: 0;
    width: 100%;
    font-size: 4rem;
    color: rgb(0 0 0);
    text-align: center;
    left: 0;
}

.box3_top_title p {
    font-size: 2rem;
    text-align: center;
    font-weight: 500;
    color: rgb(0 0 0);
}

@media screen and (max-width: 782px) {
    .box3_top_title {
        width: 100%;
        /* margin: 2rem auto; */
        top: 7%;
        right: 0%;
        left: 0%;
        font-size: 2.2rem;
        text-align: center;
    }


.box3_top_title p {
    font-size: 1.2rem;
    text-align: center;
    width: 90%;
    margin: 0 auto;
}
}

.box4>img {
    height: 66rem;
}

.box4_top_title {
    position: absolute;
    top: 5%;
    right: 2%;
    left: 7%;
    color: #000000;
    transition: all 1s;
    transform: translateY(4rem);
    opacity: 0;
    width: 85%;
    text-align: center;
    font-size: 4rem;
}

.box4_top_title p {
    font-weight: 500;
    font-size: 2rem;
    text-align: center;
}

.box4_list_con {
    position: absolute;
    top: 22%;
    left: 4%;
    width: 91%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
    flex-wrap: wrap;
}

.box4_list_con .item {
    width: 20%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    text-align: center;
    /* padding-bottom: 2.5rem; */
    margin-bottom: 2rem;
    cursor: pointer;

}

.box4_list_con .item:hover img {
    /* transform: scale(1.1); */
    transform: translateY(-1rem);

}

.box4_list_con .item img {
    /* padding-bottom: 0.5rem; */
    width: 96%;
}

.box4_list_con .item span {
    width: 100%;
    height: 4rem;
    line-height: 4.6rem;
    display: block;
    background-size: cover;
    font-weight: 900;
    font-size: 1.25rem;
}


@media screen and (max-width: 782px) {
    .box4>img {
    height: 98rem;
}

    .box4_top_title {
        top: 2%;
        right: 0;
        left: 2%;
        width: 95%;
        font-size: 2.5rem;
    }

    .box4_top_title p {
        font-size: 1.35rem;
    }

    .box4_vape {
        left: 6%;
        width: 85%;
    }

   .box4_list_con {
    top: 12%;
    left: 1.5%;
    width: 100%;
}

    .box4_list_con .item {
        width: 49%;
        /* padding-bottom: 2.5rem; */
        margin-bottom: 1.5rem;

    }

    .box4_list_con .item:hover img {
        /* transform: scale(1.1); */
        transform: translateY(-1rem);

    }

    .box4_list_con .item img {
        padding-bottom: 0.5rem;
        width: 100%;
    }

    .box4_list_con .item span {
        width: 96%;
        height: 3rem;
        line-height: 3.5rem;
        font-size: 1.15rem;

    }
}






.SPECIFICATION {
    height: 55rem;
    position: relative;
    background-color: #000000;

}

.SPECIFICATION_top_title {
    position: absolute;
    top: 5%;
    right: 2%;
    left: 7%;
    width: 85%;
    text-align: center;
    font-size: 5rem;
    color: #000000;
    font-weight: 800;

}

.param_wrap {
    position: absolute;
    top: 23%;
    right: 10%;
    left: 10%;
    display: flex;
    justify-content: space-between;
    color: #000000;
}

.param-left {
    width: 40%;
    background-color: #30313775;
    border-radius: 1rem;
}

.param-left img {
    width: 92%;
    margin: 2rem auto;
}

.param-center {
    width: 37%;
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    justify-content: space-around;

}

.param-center div {
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    justify-content: space-around;
    background-color: #30313775;
    border-radius: 1rem;
    height: 11rem;
    padding: 1rem 2rem;
}

.param-center div span {
    height: 20%;
    font-size: 1.4rem;
}

.param-center div span:nth-child(2) {
    font-weight: bold;
    font-size: 1.68rem;
}

.param-center div img {
    width: 1.8rem;
    /* 或者其他固定值，确保宽度合理 */
    max-width: 100%;
    /* 防止超出容器 */
}


.param-right {
    width: 20%;
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    justify-content: space-around;

}

.param-right div {
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    justify-content: space-around;
    background-color: #30313775;
    border-radius: 1rem;
    height: 11rem;
    padding: 1rem 2rem;
}

.param-right div span {
    height: 20%;
    font-size: 1.4rem;
    width: 100%;

}

.param-right div span:nth-child(2) {
    font-weight: bold;
    font-size: 1.68rem;
}

.param-right div img {
    width: 1.8rem;
    max-width: 100%;
}

.param-text,
.param-text1,
.param-text2,
.param-text3,
.param-text4,
.param-text5 {
    transition: all 1s;
    transform: translateY(4rem);
    opacity: 0;
}

@media screen and (max-width: 782px) {
    .SPECIFICATION {
        height: 60rem;
    }

    .SPECIFICATION>img {
        height: 66rem;
    }

    .SPECIFICATION_top_title {
        top: 1%;
        right: 0;
        left: 4%;
        width: 95%;
        font-size: 3rem;
    }

    .param_wrap {
        top: 10%;
        flex-wrap: wrap;
        flex-direction: row;
    }

    .param-left {
        width: 100%;
        margin-bottom: 1rem;
    }

    .param-center {
        width: 45%;
    }
.param-center div {
    margin: 0.5rem 0;
    padding: 1.5rem 1.5rem;
    height: 11rem;
    justify-content: start;
}
.param-center div:first-child {
justify-content: space-between;
}
    .param-center div span {

        font-size: 1rem;
    }

    .param-center div span:nth-child(2) {

        font-size: 1.16rem;
    }

    .param-center div img {
        width: 1.45rem;

    }

    .param-right {
        width: 45%;
    }

    .param-right div {
    margin: 0.5rem 0;
    padding: 1.5rem 1.5rem;
    height: 11rem;
    justify-content: space-between;
}

    .param-right div span {
        font-size: 1rem;
    }

    .param-right div span:nth-child(2) {
        font-size: 1.16rem;
    }

    .param-right div img {
        width: 1.45rem;
    }
}

.Exhibition_top_title {
    position: absolute;
    top: 4%;
    right: 0%;
    left: 0%;
    transition: all 1s;
    transform: translateY(4rem);
    opacity: 1;
    width: 100%;
    text-align: center;
    font-size: 6rem;
    transition: all 1s;
    transform: translateY(4rem);
    opacity: 0;
    color: #000000;
    font-weight: 800;
}

@media screen and (max-width: 782px) {
    .Exhibition_top_title {
        top: 9%;
        right: 0;
        left: 0;
        width: 100%;
        font-size: 3.5rem;
    }

}