/* banner背景---------------------------- */

.bannerbg_box {
    width: 100%;
    height: auto;
    margin: 0px auto;
    position: relative;
}

.img_bg {
    display: block;
    max-width: 100%;
    max-height: 100%;
}

.img_cp {
    display: block;
    max-height: 80%;
    position: absolute;
    bottom: 0px;
    left: 50%;
}

.synopsis_box {
    position: absolute;
    width: 23%;
    top: 33%;
    left: 23%;
    color: white;
}

.synopsis_box h1 {
    margin-bottom: 8%;
    font-size: 2vw;
}

.synopsis_box p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 5;
    overflow: hidden;
    line-height: 22px;
    font-size: 0.8vw;
}


/* banner背景---------------------------- */


/* 系统介绍------------------------------ */

.introduce_box {
    width: 100%;
    height: auto;
    margin: 80px auto 0px auto;
    text-align: center;
}

.title_ch {
    font-weight: normal;
    font-size: 30px;
    line-height: 30px;
    color: #333333;
    width: 70%;
    margin: 0px auto;
}

.title_en {
    font-weight: normal;
    font-size: 14px;
    line-height: 18px;
    margin-top: 10px !important;
    color: #c6c6c6;
    width: 70%;
    margin: 0px auto;
}

.content_box {
    width: 60%;
    margin: 50px auto 0px auto;
}

.content_box p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 10;
    overflow: hidden;
    line-height: 26px;
    font-size: 0.8vw;
    color: #666666;
    text-align: left;
}


/* 系统介绍------------------------------ */


/* 终端设备功能------------------------------ */

.function_box {
    width: 100%;
    height: auto;
    margin: 80px auto 80px auto;
    text-align: center;
    background-color: #F8F8F8;
    padding-top: 70px;
    padding-bottom: 40px;
}

.fun_content_box {
    width: 70%;
    margin: 70px auto 0px auto;
}

.major_top,
.major_bot {
    display: flex;
    display: -webkit-flex;
    justify-content: space-around;
}

.major_bot {
    margin-top: 60px;
    margin-bottom: 50px;
}

.major_top div,
.major_bot div {
    width: 22%;
    height: 220px;
    position: relative;
    background-color: white;
}

.major_top div:hover,
.major_bot div:hover {
    cursor: pointer;
    /* background-color: darkseagreen; */
}

.major_top div:hover span,
.major_bot div:hover span {
    /* background-color: darkseagreen; */
}

.major_top div:hover dl dt,
.major_bot div:hover dl dt {
    /* color: white; */
}

.major_top div:hover dl dd,
.major_bot div:hover dl dd {
    /* color: white; */
}

.major_top div span,
.major_bot div span {
    display: block;
    width: 100px;
    height: 30px;
    background: white;
    border-radius: 50% / 100% 100% 0 0;
    position: absolute;
    top: -30px;
    left: calc(50% - (100px/2));
}

.major_top div img,
.major_bot div img {
    display: block;
    margin: -15px auto 20px auto;
    position: relative;
    z-index: 1;
}

.major_top div dl dt,
.major_bot div dl dt {
    color: #333333;
    font-size: 18px;
}

.major_top div dl dd,
.major_bot div dl dd {
    text-align: left;
    margin: 20px 30px 40px 30px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 5;
    overflow: hidden;
    line-height: 20px;
    font-size: 0.8vw;
    color: #747474;
}


/* 终端设备功能------------------------------ */


/* 硬件技术参数------------------------------ */

.parameter_box {
    width: 100%;
    height: auto;
    margin: 0px auto 50px auto;
    text-align: center;
}

.par_content_box {
    width: 70%;
    margin: 50px auto 0px auto;
    display: flex;
    display: -webkit-flex;
    justify-content: space-around;
    align-items: center;
}

.par_content_box div,
.par_content_box table {
    width: 47%;
}

.par_content_box table {
    border-right: 1px solid #D0D0D0;
    border-bottom: 1px solid #D0D0D0;
    font-size: 14px;
    height: 470px;
}

.par_content_box table th {
    border-left: 1px solid #D0D0D0;
    border-top: 1px solid #D0D0D0;
    font-weight: normal;
    height: 25px;
    width: 25%;
    line-height: 25px;
}

.par_content_box table td {
    border-left: 1px solid #D0D0D0;
    border-top: 1px solid #D0D0D0;
    text-align: left;
    color: #686868;
    padding-left: 10px;
    height: 25px;
    line-height: 25px;
}


/* 硬件技术参数------------------------------ */


/* 安装案例------------------------------ */

.project_box {
    width: 100%;
    height: auto;
    margin: 0px auto;
    text-align: center;
    background-color: #F8F8F8;
    padding-top: 70px;
    margin-bottom: 70px;
}

.photo {
    width: 67.7%;
    margin: 50px auto 0px auto;
}

.sceneimg_div {
    background-color: rgb(128, 128, 128);
    color: white;
    /* font-size: 16px; */
    font-size: 0.9vw;
    opacity: 1.0;
}


/* 安装案例------------------------------ */