body {
    background-color: #ffffff;
}

.about_page_2 {
    background-color: #ffffff;
}

.about_page_1 {
    background-image: url(https://gubesto.oss-cn-shanghai.aliyuncs.com/gubesto/img/firm_img_banner.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-color: #ffffff;
}

.about_page_1_text_bg {
    width: 100%;
    display: none;
}

.about_text {
    position: absolute;
    top: 25.851vh;
    left: 8.3333vw;
    z-index: 5;
}
.about_text_1 {
    font-family: MiSans_Semibold;
    /* font-weight: 600; */
    font-size: 70px;
    color: #333333;
    line-height: 93px;
    letter-spacing: 2px;
}
.about_text_2 {
    font-family: GothamSSm_Light;
    font-weight: 300;
    font-size: 20px;
    color: #333333;
    line-height: 24px;
    text-transform: uppercase;
}

.about_text_btn {
    margin-top: 12.7659vh;
}

.about_page_2_text {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 17vh;
    padding-bottom: 21.2766vh;
}

/*========== ABOUT TIT ==========*/
.about_tit1 {
    font-family: GothamSSm_Black;
    /* font-weight: 900; */
    font-size: 46px;
    color: #333333;
    line-height: 60px;
    text-transform: uppercase;
    text-align: center;
}

.about_tit2 {
    font-family: MiSans_Normal;
    font-weight: 400;
    font-size: 16px;
    color: #333333;
    line-height: 22px;
    letter-spacing: 4px;
    margin-top: 4px;
    text-align: center;
}

.about_page_2_desc {
    max-width: 788px;
    font-family: MiSans_Normal;
    font-weight: 400;
    font-size: 14px;
    color: #999999;
    line-height: 26px;
    text-align: center;
    margin-top: 8.51vh;
}

.about_page_2_icon {
    margin-top: 14.8936vh;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 8.3333vw;
}
.about_page_2_icon > li {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.about_page_2_icon_t {
    width: 36px;
    height: 36px;
}
.about_page_2_icon_b {
    font-family: MiSans_Normal;
    font-weight: 400;
    font-size: 16px;
    color: #333333;
    line-height: 22px;
    margin-top: 24px;
}

/* about_page_3 */
.about_page_3 {
    background-color: #fafafa;
}
.about_page_3_p {
    font-family: GothamSSm_Light;
    font-weight: 300;
    font-size: 12px;
    color: #999999;
    line-height: 15px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 6.38297vh;
}

.about_page_3_icon {
    margin-top: 21.2765vh;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}
.about_page_3_icon > li {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.about_page_3_icon_t {
    width: 80px;
    height: 80px;
    cursor: pointer;
    transition: 0.3s linear;
    border-radius: 50%;
    background: var(--first-color);
}

.about_page_3_icon_t:hover {
    transform: rotate(30deg);
    box-shadow: 0vw 0.2083vw 0.8333vw 0vw rgba(0, 0, 0, 0.5);
}

.about_page_3_icon_b {
    font-family: MiSans_Normal;
    font-weight: 400;
    font-size: 14px;
    color: #666666;
    line-height: 19px;
    text-align: center;
    margin-top: 30px;
}
.about_page_3_icon > li:nth-child(2) {
    margin: 0 18.75vw;
}

/* about_page_4 */
.about_page_4 {
    background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
}
.about_page_4_text {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 17vh;
}

/*========== PRODUCT INTRODUCTION ==========*/
.about_product_img_ul {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 8.51vh;
}
.about_product_img_div {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50vw;
    height: 31.875vw;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}
.about_product_img,
.about_product_hover {
    width: 21.875vw;
    height: 21.875vw;
    transition: all 0.5s ease;
}
.about_product_img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.about_product_hover {
    position: absolute;
    top: 50%;
    right: -21.785vw;
    transform: translateY(-50%);
    opacity: 0;
    z-index: 2;
}

.about_product_img_div_hover {
    left: 3.125vw;
    transform: translate(0, -50%);
}

.about_product_img_hover_hover {
    right: 3.125vw;
    opacity: 1;
}

/*========== MEDIA QUERIES ==========*/
@media screen and (max-width: 768px) {
    .about_page_1_text_bg {
        display: block;
        height: 176vw;
    }

    .about_page_1 {
        background-image: none;
    }

    .about_text {
        top: calc(44px + 16vw);

        left: 6.4vw;
    }
    .about_text_1 {
        font-size: 9.0667vw;
        line-height: 12vw;
        letter-spacing: 0.2667vw;
    }
    .about_text_2 {
        font-size: 12px;
        line-height: 15px;
    }

    .about_text_btn {
        margin-top: 12.2667vw;
    }

    .about_page_2_text {
        height: auto;
        padding-top: 37.3333vw;
        padding-bottom: 37.3333vw;
    }

    /*========== ABOUT TIT ==========*/
    .about_tit1 {
        font-size: 5.3333vw;
        line-height: 6.4vw;
    }

    .about_tit2 {
        font-size: 3.2vw;
        line-height: 4.2667vw;
        letter-spacing: 0.5333vw;
        margin-top: 1.0667vw;
    }

    .about_page_2_desc {
        max-width: 85.3333vw;
        font-size: 3.2vw;
        line-height: 5.3333vw;
        margin-top: 12.2667vw;
    }

    .about_page_2_desc_2 {
        margin-top: 3.7333vw;
        display: inline-block;
    }

    .about_page_2_icon {
        margin-top: 16.5333vw;
        padding: 0 18.6667vw;
        gap: 12.2667vw;
        justify-content: space-between;
    }
    .about_page_2_icon_t {
        width: 8vw;
        height: 8vw;
    }
    .about_page_2_icon_b {
        font-size: 3.2vw;
        line-height: 4.2667vw;
        margin-top: 3.7333vw;
    }

    /* about_page_3 */
    .about_page_3_p {
        font-size: 2.4vw;
        line-height: 2.9333vw;
        letter-spacing: 0.2667vw;
        margin-top: 21.3333vw;
    }

    .about_page_3_icon {
        margin-top: 31.2vw;
    }
    .about_page_3_icon_t {
        width: 12.2667vw;
        height: 12.2667vw;
    }

    .about_page_3_icon > li {
        width: 13.3333vw;
    }
    .about_page_3_icon > li:nth-child(2) {
        width: 12.2667vw;
    }

    .about_page_3_icon_b {
        font-size: 3.2vw;
        line-height: 4.2667vw;
        margin-top: 3.7333vw;
    }

    /* about_page_4 */
    .about_page_4_text {
        height: auto;
        padding-top: 37.3333vw;
    }

    /*========== PRODUCT INTRODUCTION ==========*/
    .about_product_img_ul {
        margin-top: 16vw;
    }

    .about_product_img_ul > li:nth-child(2) {
        margin-bottom: 16vw;
        border-top: 1px solid rgba(151, 151, 151, 0.2);
    }
    .about_product_img_div {
        width: 100vw;
        height: 100vw;
    }
    .about_product_img,
    .about_product_hover {
        width: 80vw;
        height: 80vw;
    }
    .about_product_hover {
        right: -100%;
        -webkit-backdrop-filter: blur(4px);
        backdrop-filter: blur(2.335714285714286px);
        background: rgba(250, 250, 250, 0.12);
    }
    .about_product_img_click {
        left: 50%;
        transform: translate(-50%, -50%);
    }
    .about_product_hover_click {
        right: 50%;
        transform: translate(50%, -50%);
        opacity: 1;
    }
}