.slide1 {
    width: 60px;
    height: 60px;
    background-color: #4A589A;
    border-radius: 5px;
    right: 1px;
    /* background-color: antiquewhite; */
    position: fixed;
    top: 382px;
    opacity: 0;
    z-index: 999;
    opacity: 1;
    /* text-align: left; */
    overflow: hidden;
    transition: width 1s;
    -moz-transition: width 1s;
    /* Firefox 4 */
    -webkit-transition: width 1s;
    /* Safari and Chrome */
    -o-transition: width 1s;
    /* Opera */
}

.slide1-img {
    width: 60px;
    height: 60px;
    text-align: -webkit-center;
    float: left;
    margin: auto;
    text-align: center;
}

.slide1-img img {
    width: 65%;
    height: 65%;
    margin-top: 10px;
}

.slide1-tell {
    color: #fff;
    float: left;
    width: auto;
    height: 60px;
    line-height: 60px;
    font-size: 16px;
}

.slide1:hover {
    width: 235px
}

.slide2 {
    width: 60px;
    height: 60px;
    background-color: #4A589A;
    border-radius: 5px;
    right: 1px;
    position: fixed;
    top: 452px;
    opacity: 0;
    z-index: 999;
    opacity: 1;
    overflow: hidden;
}

.slide3 {
    width: 100px;
    height: 100px;
    background-color: #4A589A;
    border-radius: 5px;
    right: 70px;
    position: fixed;
    top: 412px;
    opacity: 0;
    z-index: 999;
    display: none;
    opacity: 1;
    overflow: hidden;
    transition: width 1s;
    -moz-transition: width 1s;
    /* Firefox 4 */
    -webkit-transition: width 1s;
    /* Safari and Chrome */
    -o-transition: width 1s;
}

.project-top {
    height: 1013px;
    background-image: url('../img/project/picture_dibukapian9@2x.png');
    top: 0;
    left: 0;
    width: 100%;
    min-width: 1200px;
    z-index: -10;
    zoom: 1;
    background-color: #fff;
    background-repeat: no-repeat;
    background-position: center top;
    background-size: 100% 100%;
    text-align: -webkit-center;
    padding-top: 106px;
}

.project-top-img {
    width: 1000px;
    top: 115px;
    position: absolute;
    left: 50%;
    margin-left: -500px;
}

.project-top-title {
    width: 1000px;
    top: 120px;
    position: absolute;
    left: 50%;
    text-align: center;
    font-size: 80px;
    color: #FFF;
    font-weight: 600;
    margin-left: -500px;
}

.aboutus-company-kit {
    width: 80%;
    height: 682px;
    /* background-color: rgba(0, 0, 0, 0.3); */
    min-width: 1100px;
    position: relative;
    padding-top: 283px;
    margin: auto;
}

.project-top-conter {
    width: 80%;
    height: 321px;
    /* background: aliceblue; */
    text-align: left;
    font-size: 24px;
    color: #FFF;
    line-height: 43px;
    color: rgba(255, 255, 255, 0.8);
    margin: auto;
}


/* 第一屏 */

.project-center1 {
    height: 1013px;
    background-image: url('../img/project/picture_dibubeijing10@2x.png');
    top: 0;
    left: 0;
    width: 100%;
    min-width: 1200px;
    z-index: -10;
    zoom: 1;
    background-color: mediumpurple;
    /* background-color: #fff;
    background-repeat: no-repeat;
    background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
    background-position: center 0; */
    text-align: -webkit-center;
    padding-top: 106px;
    background-repeat: no-repeat;
    background-position: center top;
    background-size: 100% 100%;
}

.aboutus-company-kit1 {
    width: 80%;
    height: 682px;
    /* background-color: rgba(0, 0, 0, 0.3); */
    min-width: 1100px;
    margin: auto;
}

.aboutus-company-minute {
    width: 50%;
    height: 100%;
    /* background-color: moccasin; */
    float: left;
    padding-top: 153px;
    margin-top: 0px;
    position: relative;
}

.aboutus-company-minute-title {
    font-size: 50px;
    color: #FFF;
    font-family: "PingFang SC-Medium, PingFang SC";
    font-weight: 600;
}

.aboutus-company-minute-biaoyu {
    font-size: 28px;
    font-family: "BigruixianBlackGBV1.0-Regular, BigruixianBlackGBV10";
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
    line-height: 40px;
    -webkit-background-clip: text;
}

.aboutus-company-minute-center {
    font-size: 24px;
    font-family: "PingFang SC-Regular, PingFang SC";
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
    line-height: 40px;
    -webkit-background-clip: text;
    /* -webkit-text-fill-color: transparent; */
}

.project-center-center {
    font-size: 24px;
    font-family: PingFang SC-Regular, PingFang SC;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
    line-height: 40px;
    -webkit-background-clip: text;
}

.project-center-title {
    font-size: 40px;
    color: #FFF;
    font-weight: 600;
}

.aboutus-company-minute-video {
    width: 88%;
    height: 379px;
    margin-top: 49px;
    background-color: aliceblue;
}

.video {
    width: 100%;
    height: 100%;
}

.video3 {
    width: 80%;
    height: 555px;
}


/* 第二屏 */

.project-center2 {
    height: 1013px;
    background-image: url('../img/project/picture_dibukapian12@2x.png');
    top: 0;
    left: 0;
    width: 100%;
    min-width: 1200px;
    z-index: -10;
    zoom: 1;
    background-color: #537FEA;
    /* background-color: #fff;
    background-repeat: no-repeat;
    background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
    background-position: center 0; */
    text-align: -webkit-center;
    padding-top: 106px;
    background-repeat: no-repeat;
    background-position: center top;
    background-size: 100% 100%;
}

.aboutus-company-kit2 {
    width: 80%;
    height: 682px;
    /* background-color: rgba(0, 0, 0, 0.3); */
    min-width: 1100px;
    margin: auto;
}

.project-center369 {
    width: 622px;
    text-align: left;
}


/* 第三屏 */

.project-center3 {
    height: 1013px;
    background-image: url('../img/project/picture_dibubeijing10@2x.png');
    top: 0;
    left: 0;
    width: 100%;
    min-width: 1200px;
    z-index: -10;
    zoom: 1;
    background-color: #6A83DA;
    /* background-color: #fff;
    background-repeat: no-repeat;
    background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
    background-position: center 0; */
    text-align: -webkit-center;
    padding-top: 106px;
    background-repeat: no-repeat;
    background-position: center top;
    background-size: 100% 100%;
}

.aboutus-company-kit3 {
    width: 80%;
    height: 682px;
    /* background-color: rgba(0, 0, 0, 0.3); */
    min-width: 1100px;
    padding-top: 30px;
    margin: auto;
}

.aboutus-company-kit3-item {
    width: 47%;
    height: 407px;
    margin: auto;
}

.aboutus-company-78 {
    width: 76%;
    height: 245px;
    /* background-color: antiquewhite; */
    padding-top: 20px;
    position: relative;
    overflow: hidden;
    margin: auto;
}

.aboutus-company-1img {
    width: 23%;
    height: 225px;
    /* background: wheat; */
    float: left;
    cursor: pointer
}

.aboutus-company-1img:not(:first-of-type) {
    margin-left: 15px;
}

.aboutus-company-1img img {
    width: 100%;
    height: 69%;
}

.zuojiantou {
    position: absolute;
    left: -5px;
    top: 36%;
    width: 42px;
    height: 29px;
    background: rgb(235 226 226 / 50%);
    text-align: center;
    line-height: 29px;
    cursor: pointer
}

.youjiantou {
    position: absolute;
    /* left: 0; */
    top: 36%;
    width: 42px;
    right: 11px;
    height: 29px;
    background: rgb(235 226 226 / 50%);
    text-align: center;
    line-height: 29px;
    cursor: pointer
}

.aboutus-company-1img p {
    width: 100%;
    height: 42px;
    /* background-color: aqua; */
    margin-top: 8px;
    text-align: left;
    /* text-indent: 2em; */
    display: -webkit-box;
    overflow: hidden;
    white-space: normal !important;
    text-overflow: ellipsis;
    word-wrap: break-word;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    color: #FFF;
}


/* 第四屏 */

.project-center4 {
    height: 920px;
    /* background-image: url('https://seopic.699pic.com/photo/40013/9233.jpg_wh1200.jpg'); */
    top: 0;
    left: 0;
    width: 100%;
    min-width: 1400px;
    z-index: -10;
    zoom: 1;
    background-color: #9797E0;
    /* background-color: #fff;
    background-repeat: no-repeat;
    background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
    background-position: center 0; */
    text-align: -webkit-center;
    padding-top: 106px;
}

.aboutus-company-kit4 {
    width: 80%;
    height: 682px;
    /* background-color: rgba(0, 0, 0, 0.3); */
    min-width: 1340px;
    padding: inherit;
}

@media only screen and (max-width: 1650px) {
    .aboutus-company-minute-video {
        height: 327px;
    }
    .aboutus-company-kit3-item {
        height: 356px;
    }
}

@media only screen and (max-width: 1450px) {
    .aboutus-company-minute-video {
        height: 272px;
    }
    .project-center1 {
        padding-top: 0px;
    }
    .project-center1 {
        height: 810px;
    }
    .project-center369 {
        width: 567px;
    }
    .aboutus-company-minute-video {
        margin: 152px auto;
    }
    .project-center2 {
        padding-top: 0px;
        height: 810px;
    }
    .aboutus-company-kit3-item {
        height: 291px;
    }
    .aboutus-company-1img {
        height: 169px;
    }
    .project-center3 {
        height: 810px;
    }
    .aboutus-company-kit2 {
        padding-top: 0%;
    }
}

@media only screen and (max-width: 1250px) {
    .aboutus-company-kit2 {
        padding-top: 10%;
    }
    .project-center1 {
        height: 780px;
        background-image: url('../img/project/picture_dibubeijing10@2x.png');
        top: 0;
        left: 0;
        width: 100%;
        min-width: 1200px;
        z-index: -10;
        zoom: 1;
        background-color: mediumpurple;
        background-color: #fff;
        background-repeat: no-repeat;
        background-size: cover;
        -webkit-background-size: cover;
        text-align: -webkit-center;
        padding-top: 106px;
        background-repeat: no-repeat;
        background-position: center top;
        background-size: 100% 100%;
    }
    .aboutus-company-kit1 {
        width: 80%;
        height: 669px;
        min-width: 1100px;
        margin: auto;
    }
    .aboutus-company-minute {
        width: 50%;
        height: 100%;
        float: left;
        padding-top: 16px;
        margin-top: 0px;
        position: relative;
    }
    .aboutus-company-minute-video {
        width: 88%;
        height: 272px;
        margin-top: 116px;
        background-color: aliceblue;
        margin: auto;
        margin: auto;
        margin: 116px auto;
    }
    .project-center369 {
        width: 569px;
        text-align: left;
    }
    .project-center2 {
        height: 780px;
    }
    .aboutus-company-1img {
        width: 23%;
        height: 169px;
        float: left;
        cursor: pointer;
    }
    .aboutus-company-78 {
        width: 76%;
        height: 238px;
        padding-top: 20px;
        position: relative;
        overflow: hidden;
        margin: auto;
    }
    .aboutus-company-kit3-item {
        width: 47%;
        height: 290px;
        margin: auto;
    }
    .project-center3 {
        height: 780px;
    }
}