* {
    margin: 0;
    padding: 0;
}

html::-webkit-scrollbar {
    width: 0 !important
}

a {
    text-decoration: none;
    color: #000;
}

li {
    list-style: none;
}

.container {
    width: 1200px;
    margin: 0 auto;
}

/* 导航栏 */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 56px;
    padding: 20px 0;
    background: #fff;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06), 0 0 #0000, 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06), 0 0 #0000, 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    ;
    z-index: 99999;
}

.navBox750 {
    display: none;
}

.navBox {
    width: 1200px;
    height: 56px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navBox .navBox_logo>img {
    width: 94px;
    height: 56px;
    padding: 0 0 0 8px;
}

.navBox_nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 1025px;
}

.navBox_nav .navBox_nav_left {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: #000000D9;
    font-weight: 700;
}

.navBox_nav .navBox_nav_left .navigation {
    padding: 8px 12px;
    cursor: pointer;
}

.active,
.navBox_nav .navBox_nav_left .navigation:hover {
    color: rgba(67, 56, 202, 1)
}

.navBox_nav .button button {
    width: 90px;
    height: 36px;
    color: #fff;
    background: #4f46e5;
    margin: 0 4px 0 8px;
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
}

/* 首页内容 */
.content {
    width: 100%;
    height: 760px;
    padding: 20px 0px;
    margin: 96px 0 0 0;
    display: flex;
    justify-content: space-between;
}

.content .content_left {
    width: 40%;
}

.content .content_left .hot .hotbac {
    width: 194px;
    height: 32px;
    line-height: 32px;
    padding: 2px 8px;
    background: #f4f4f5;
    color: #52525b;
    border-radius: 50px;
    font-size: 12px;
    margin: 30px 0;
}

.content .content_left .hot .hotbac>span {
    padding: 4px 8px;
    color: #fff;
    background: #4f46e5;
    border-radius: 30px;
    margin: 0 6px 0 0;
}

.content .content_left .title .poabac {
    position: absolute;
    left: -40px;
    bottom: -20px;
    width: 300px;
    height: 52px;
    background: url('../img/txtbac.png') no-repeat;
    background-size: 100% 100%;
    z-index: -1;
}

.content .content_left .title {
    position: relative;
    color: #000000D9;
    font-size: 30px;
    margin: 50px 0;
}

.content .content_left .inp {
    width: 400px;
    margin: 16px 0;
    border-radius: 8px;
    border: 1px solid #e1e1e1;
}

.content .content_left .inp:hover {
    border: 1px solid #4f46e5;
}

.content .content_left .inp>input {
    width: 375px;
    height: 30px;
    padding: 8px 12px;
    border-radius: 8px;
    border: none;
}

.content .content_left .inp>input:hover {
    border: none;
}

.content .content_left .button>button {
    width: 400px;
    height: 52px;
    color: #fff;
    background: #4f46e5;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
}

.content .content_left .txt {
    width: 400px;
    color: #4e5969;
    font-size: 14px;
    margin: 16px 0 0;
    line-height: 24px;
}

.content .content_left .content_left_bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 100px 0 0;
}

.content .content_left .content_left_bottom .txtBox .txtBox_top {
    font-size: 30px;
    color: #000000D9;
    font-weight: 600;
}

.content .content_left .content_left_bottom .txtBox .txtBox_top>span {
    color: #4f45e5;
}

.content .content_left .content_left_bottom .txtBox .txtBox_bottom {
    font-size: 14px;
    color: #71717f;
}

.content .content_right {
    width: 46%;
    padding: 0 0 0 120px;
}

.content .content_right .content_right_bac {
    width: 100%;
    height: 100%;
    position: relative;
    background: url('../img/content2.png') no-repeat;
    background-size: 100% 100%;
}

.content .content_right .content_right_bac .contImg {
    width: 560px;
    height: 550px;
    position: absolute;
    top: 100px;
    right: 150px;
}

/* 下载内容 */
.download {
    margin: 90px 0 0 0;
    width: 1200px;
    height: 88vh;
}

.download .download_title>h2 {
    font-size: 30px;
    text-align: center;
}

.download .download_content {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.download .download_content .download_box {
    width: 350px;
    height: 400px;
    /* background: #000; */
    border-radius: 10px;
    margin: 25px;
    box-sizing: border-box;
    box-shadow: 2px 2px 10px #e2e2e2;
}

.download .download_content .download_box .download_picImg {
    width: 350px;
    height: 350px;
    border-radius: 10px;
}

.download .download_content .download_box .download_picImg>img {
    width: 100%;
    height: 100%;
    border-radius: 10px;
}

.download .download_content .download_box .download_txt {
    text-align: center;
    margin: 10px 0;
    color: #000;
}

/* 媒体查询 780-1000 */
@media (min-width: 780px) and (max-width: 1300px) {
    .container {
        width: 750px;
        margin: 0 auto;
    }

    /* 导航栏 */
    .nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 56px;
        padding: 20px 0;
        background: #fff;
        box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06), 0 0 #0000, 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06), 0 0 #0000, 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
        ;
        z-index: 99999;
    }

    .navBox {
        width: 750px;
        height: 56px;
        margin: 0 auto;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .navBox750 {
        display: none;
    }

    .navBox .navBox_logo>img {
        width: 94px;
        height: 56px;
        padding: 0 0 0 8px;
    }

    .navBox_nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 625px;
    }

    .navBox_nav .navBox_nav_left {
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 14px;
        color: #000000D9;
        font-weight: 700;
    }

    .navBox_nav .navBox_nav_left .navigation {
        padding: 8px 12px;
        cursor: pointer;
    }

    .active,
    .navBox_nav .navBox_nav_left .navigation:hover {
        color: rgba(67, 56, 202, 1)
    }

    .navBox_nav .button button {
        width: 90px;
        height: 36px;
        color: #fff;
        background: #4f46e5;
        margin: 0 4px 0 8px;
        padding: 8px 16px;
        border: none;
        border-radius: 4px;
        font-size: 14px;
        font-weight: 700;
        cursor: pointer;
    }

    /* 首页内容 */
    .content {
        width: 100%;
        height: 500px;
        padding: 20px 0px;
        margin: 96px 0 0 0;
        display: flex;
        justify-content: space-between;
    }

    .content .content_left {
        width: 40%;
    }

    .content .content_left .hot .hotbac {
        width: 194px;
        height: 32px;
        line-height: 32px;
        padding: 2px 8px;
        background: #f4f4f5;
        color: #52525b;
        border-radius: 50px;
        font-size: 12px;
        margin: 10px 0;
    }

    .content .content_left .hot .hotbac>span {
        padding: 4px 8px;
        color: #fff;
        background: #4f46e5;
        border-radius: 30px;
        margin: 0 6px 0 0;
    }

    .content .content_left .title .poabac {
        position: absolute;
        left: -40px;
        bottom: -20px;
        width: 300px;
        height: 52px;
        background: url('../img/txtbac.png') no-repeat;
        background-size: 100% 100%;
        z-index: -1;
    }

    .content .content_left .title {
        position: relative;
        color: #000000D9;
        font-size: 20px;
        margin: 20px 0;
    }

    .content .content_left .inp {
        width: 250px;
        margin: 16px 0;
        border-radius: 8px;
        border: 1px solid #e1e1e1;
    }

    .content .content_left .inp:hover {
        border: 1px solid #4f46e5;
    }

    .content .content_left .inp>input {
        width: 225px;
        height: 20px;
        padding: 8px 12px;
        border-radius: 8px;
        border: none;
    }

    .content .content_left .inp>input:hover {
        border: none;
    }

    .content .content_left .button>button {
        width: 250px;
        height: 32px;
        color: #fff;
        background: #4f46e5;
        border: none;
        border-radius: 6px;
        font-weight: 600;
        cursor: pointer;
    }

    .content .content_left .txt {
        width: 250px;
        color: #4e5969;
        font-size: 14px;
        margin: 16px 0 0;
        line-height: 24px;
    }

    .content .content_left .content_left_bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin: 20px 0 0;
    }

    .content .content_left .content_left_bottom .txtBox .txtBox_top {
        font-size: 26px;
        color: #000000D9;
        font-weight: 600;
    }

    .content .content_left .content_left_bottom .txtBox .txtBox_top>span {
        color: #4f45e5;
    }

    .content .content_left .content_left_bottom .txtBox .txtBox_bottom {
        font-size: 14px;
        color: #71717f;
    }

    .content .content_right {
        width: 46%;
        padding: 0 0 0 120px;
    }

    .content .content_right .content_right_bac {
        width: 100%;
        height: 100%;
        position: relative;
        background: url('../img/content2.png') no-repeat;
        background-size: 100% 100%;
    }

    .content .content_right .content_right_bac .contImg {
        width: 360px;
        height: 350px;
        position: absolute;
        top: 80px;
        right: 100px;
    }

    /* 下载内容 */
    .download {
        margin: 90px 0 0 0;
        width: 750px;
        height: 88vh;
    }

    .download .download_title>h2 {
        font-size: 30px;
        text-align: center;
    }

    .download .download_content {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
    }

    .download .download_content .download_box {
        width: 200PX;
        height: 250PX;
        /* background: #000; */
        border-radius: 10px;
        margin: 25px;
        box-sizing: border-box;
        box-shadow: 2px 2px 10px #e2e2e2;
    }

    .download .download_content .download_box .download_picImg {
        width: 200PX;
        height: 200px;
        border-radius: 10px;
    }

    .download .download_content .download_box .download_picImg>img {
        width: 100%;
        height: 100%;
        border-radius: 10px;
    }

    .download .download_content .download_box .download_txt {
        text-align: center;
        margin: 10px 0;
        color: #000;
    }
}

/* 媒体查询 750-780 */
@media screen and (max-width: 780px) {
    body {}

    .container {
        width: 100%;
        margin: 0 auto;
    }

    /* 导航栏 */
    .nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 90%;
        height: 56px;
        padding: 20px 40px;
        background: #fff;
        box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06), 0 0 #0000, 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06), 0 0 #0000, 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
        ;
        z-index: 99999;
    }

    .navBox {
        width: 90%;
        height: 56px;
        margin: 0 auto;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .navBox .navBox_logo>img {
        width: 94px;
        height: 56px;
        padding: 0 0 0 8px;
    }

    .navBox_nav {
        display: none;
    }


    .navBox750 {
        display: block;
        cursor: pointer;
    }

    .dropDown {
        position: fixed;
        top: 96px;
        left: 0;
        right: 0;
        height: 0px;
        padding: 0 80px;
        background: #fff;
        overflow: hidden;
        transition: all .3s;
    }

    .dropDown .navBox_nav_left .navigation {
        margin: 20px 0;
        font-size: 14px;
        color: #000000D9;
        font-weight: 700;
    }

    .dropDown .navBox_nav_left .navigation:hover,
    .dropDown .navBox_nav_left .active {
        color: rgba(67, 56, 202, 1)
    }

    .navBox750:hover .dropDown {
        height: 160px;
        box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06), 0 0 #0000, 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06), 0 0 #0000, 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
        ;
    }

    .dropDown .button button {
        width: 90px;
        height: 36px;
        color: #fff;
        background: #4f46e5;
        /* margin: 0 4px 0 8px; */
        padding: 8px 16px;
        border: none;
        border-radius: 4px;
        font-size: 14px;
        font-weight: 700;
        cursor: pointer;
    }

    /* 首页内容 */
    .content {
        width: 90%;
        /* height: 500px; */
        padding: 20px 40px;
        margin: 96px 0 0 0;
        display: flex;
        justify-content: space-between;
        flex-direction: column;
    }

    .content .content_left {
        width: 100%;
    }

    .content .content_left .hot .hotbac {
        width: 194px;
        height: 32px;
        line-height: 32px;
        padding: 2px 8px;
        background: #f4f4f5;
        color: #52525b;
        border-radius: 50px;
        font-size: 12px;
        margin: 10px 0;
    }

    .content .content_left .hot .hotbac>span {
        padding: 4px 8px;
        color: #fff;
        background: #4f46e5;
        border-radius: 30px;
        margin: 0 6px 0 0;
    }

    .content .content_left .title .poabac {
        position: absolute;
        left: -40px;
        bottom: -20px;
        width: 300px;
        height: 52px;
        background: url('../img/txtbac.png') no-repeat;
        background-size: 100% 100%;
        z-index: -1;
    }

    .content .content_left .title {
        position: relative;
        color: #000000D9;
        font-size: 20px;
        margin: 20px 0;
    }

    .content .content_left .inp {
        width: 100%;
        margin: 16px 0;
        border-radius: 8px;
        border: 1px solid #e1e1e1;
    }

    .content .content_left .inp:hover {
        border: 1px solid #4f46e5;
    }

    .content .content_left .inp>input {
        width: 96%;
        height: 20px;
        padding: 8px 12px;
        border-radius: 8px;
        border: none;
    }

    .content .content_left .inp>input:hover {
        border: none;
    }

    .content .content_left .button>button {
        width: 100%;
        height: 32px;
        color: #fff;
        background: #4f46e5;
        border: none;
        border-radius: 6px;
        font-weight: 600;
        cursor: pointer;
    }

    .content .content_left .txt {
        width: 100%;
        color: #4e5969;
        font-size: 14px;
        margin: 16px 0 0;
        line-height: 24px;
    }

    .content .content_left .content_left_bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin: 20px 0 0;
    }

    .content .content_left .content_left_bottom .txtBox .txtBox_top {
        font-size: 26px;
        color: #000000D9;
        font-weight: 600;
    }

    .content .content_left .content_left_bottom .txtBox .txtBox_top>span {
        color: #4f45e5;
    }

    .content .content_left .content_left_bottom .txtBox .txtBox_bottom {
        font-size: 14px;
        color: #71717f;
    }

    .content .content_right {
        margin: 30px 0 0;
        width: 80%;
        height: 620px;
        /* display: none; */
        /* padding: 0 0 0 120px; */
    }

    .content .content_right .content_right_bac {
        width: 90%;
        height: 620px;
        position: relative;
        background: url('../img/content2.png') no-repeat;
        background-size: 100% 100%;
    }

    .content .content_right .content_right_bac .contImg {
        width: 560px;
        height: 550px;
        position: absolute;
        top: 50px;
        right: -30px;
    }

    /* 下载内容 */
    .download {
        margin: 400px 0 0 0;
        width: 100%;
        height: 600px;
    }

    .download .download_title>h2 {
        font-size: 30px;
        text-align: center;
    }

    .download .download_content {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
    }

    .download .download_content .download_box {
        width: 200PX;
        height: 250PX;
        /* background: #000; */
        border-radius: 10px;
        margin: 25px;
        box-sizing: border-box;
        box-shadow: 2px 2px 10px #e2e2e2;
    }

    .download .download_content .download_box .download_picImg {
        width: 200PX;
        height: 200px;
        border-radius: 10px;
    }

    .download .download_content .download_box .download_picImg>img {
        width: 100%;
        height: 100%;
        border-radius: 10px;
    }

    .download .download_content .download_box .download_txt {
        text-align: center;
        margin: 10px 0;
        color: #000;
    }
}

/* 媒体查询 1000-1200 */
/* @media (min-width: 1000px) and (max-width: 1200px) {
    .container {
        width: 1000px;
        margin: 0 auto;
    }

    .nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 56px;
        padding: 20px 0;
        background: #fff;
        box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06), 0 0 #0000, 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06), 0 0 #0000, 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
        ;
        z-index: 99999;
    }

    .navBox750 {
        display: none;
    }

    .navBox {
        width: 1000px;
        height: 56px;
        margin: 0 auto;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }



    .navBox .navBox_logo>img {
        width: 94px;
        height: 56px;
        padding: 0 0 0 8px;
    }

    .navBox_nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 825px;
    }

    .navBox_nav .navBox_nav_left {
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 14px;
        color: #000000D9;
        font-weight: 700;
    }

    .navBox_nav .navBox_nav_left .navigation {
        padding: 8px 12px;
        cursor: pointer;
    }

    .active,
    .navBox_nav .navBox_nav_left .navigation:hover {
        color: rgba(67, 56, 202, 1)
    }

    .navBox_nav .button button {
        width: 90px;
        height: 36px;
        color: #fff;
        background: #4f46e5;
        margin: 0 4px 0 8px;
        padding: 8px 16px;
        border: none;
        border-radius: 4px;
        font-size: 14px;
        font-weight: 700;
        cursor: pointer;
    }

    .content {
        width: 100%;
        height: 700px;
        padding: 20px 0px;
        margin: 96px 0 0 0;
        display: flex;
        justify-content: space-between;
    }

    .content .content_left {
        width: 40%;
    }

    .content .content_left .hot .hotbac {
        width: 194px;
        height: 32px;
        line-height: 32px;
        padding: 2px 8px;
        background: #f4f4f5;
        color: #52525b;
        border-radius: 50px;
        font-size: 12px;
        margin: 30px 0;
    }

    .content .content_left .hot .hotbac>span {
        padding: 4px 8px;
        color: #fff;
        background: #4f46e5;
        border-radius: 30px;
        margin: 0 6px 0 0;
    }

    .content .content_left .title .poabac {
        position: absolute;
        left: -40px;
        bottom: -20px;
        width: 300px;
        height: 52px;
        background: url('../img/txtbac.png') no-repeat;
        background-size: 100% 100%;
        z-index: -1;
    }

    .content .content_left .title {
        position: relative;
        color: #000000D9;
        font-size: 30px;
        margin: 50px 0;
    }

    .content .content_left .inp {
        width: 300px;
        margin: 16px 0;
        border-radius: 8px;
        border: 1px solid #e1e1e1;
    }

    .content .content_left .inp:hover {
        border: 1px solid #4f46e5;
    }

    .content .content_left .inp>input {
        width: 275px;
        height: 30px;
        padding: 8px 12px;
        border: none;
    }

    .content .content_left .inp>input:hover {
        border: none;
    }

    .content .content_left .button>button {
        width: 300px;
        height: 52px;
        color: #fff;
        background: #4f46e5;
        border: none;
        border-radius: 6px;
        font-weight: 600;
        cursor: pointer;
    }

    .content .content_left .txt {
        width: 300px;
        color: #4e5969;
        font-size: 14px;
        margin: 16px 0 0;
        line-height: 24px;
    }

    .content .content_left .content_left_bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin: 100px 0 0;
    }

    .content .content_left .content_left_bottom .txtBox .txtBox_top {
        font-size: 30px;
        color: #000000D9;
        font-weight: 600;
    }

    .content .content_left .content_left_bottom .txtBox .txtBox_top>span {
        color: #4f45e5;
    }

    .content .content_left .content_left_bottom .txtBox .txtBox_bottom {
        font-size: 14px;
        color: #71717f;
    }

    .content .content_right {
        width: 46%;
        padding: 0 0 0 120px;
    }

    .content .content_right .content_right_bac {
        width: 100%;
        height: 100%;
        position: relative;
        background: url('../img/content2.png') no-repeat;
        background-size: 100% 100%;
    }

    .content .content_right .content_right_bac .contImg {
        width: 460px;
        height: 450px;
        position: absolute;
        top: 100px;
        right: 150px;
    }

    .download {
        margin: 90px 0 0 0;
        width: 1000px;
        height: 88vh;
    }

    .download .download_title>h2 {
        font-size: 30px;
        text-align: center;
    }

    .download .download_content {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
    }

    .download .download_content .download_box {
        width: 250px;
        height: 250px;
        background: #000;
        border-radius: 10px;
        margin: 25px;
    }
} */