*{
    margin: 0 auto;
}

#app{
    width: 100%;
    background-color: #000000;
    /*margin: 0 auto;*/
    min-width: 1200px;

}

#first_part{
    background-color: #000000;
    /*height: 225vh;*/
    width: 100%;
    margin-bottom: 100px;
    /*min-width: 1200px;*/
}

#sides{
    width: fit-content;
    height: fit-content;
    position: fixed;
    float: right;
    left: 99%;
    top: 35%;
    transition: left 0.3s ease;
}

#sides:hover{
    left: 93%;
}

#watch_img{
    /*height: 900px;*/
    width: 100%;
    min-width: 1200px;
    background-image: url("../img/shoulie.webp");
    background-repeat: no-repeat;
    background-size: 100% auto;
}

#logo_img{
    position: relative;
    /*top: 120px;*/
    /*left: 40%;*/
    padding-top: 15vh;
    width: fit-content;
    margin-bottom: 5%;
    height: 240px;
    z-index: 10;
}

#logo{
    position: relative;
    /*left: 5%;*/
    /*bottom: 300px;*/
    margin-bottom: 5%;
    width: 204px;
    height: 74px;
}

.logo_font{
    margin-top: 18px;
    text-align: center;
    color: #FFFFFF;
    font-size: 36px;
    font-weight: 300;
    line-height: 56px;
    width: fit-content;
    position: relative;
    /*right: 24%;*/
    cursor: default;
    user-select: none;
}

.logo_font p{
    width: fit-content;
    font-size: 34px;
    font-weight: 300;
}

.first_video{
    position: absolute;
    display: none;
    z-index: 11;
    width: 100%;
    min-width: 1200px;
    height: 650px;
    top: 100px;
}

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

.play{
    position: relative;
    z-index: 2;
    /*top: 150px;*/
    /*right: 15px;*/
    width: 120px;
    height: 120px;
    cursor: pointer;
}

.drop-down{
    margin-top: 150px;
    position: relative;
    z-index: 2;
    /*top: 300px;*/
    /*left: 1%;*/
    width: 50px;
}

.sys_intro{
    width: 100%;
    min-width: 1200px;
    height: fit-content;
    position: relative;
    background-color: #000000;
    /*background-image: url("../img/首页背景2.png");*/
    /*background-size: 100% 901px;*/
}

.introduction{
    margin-top: 60px;
    width: 100%;
    /*height: 290px;*/
    position: relative;
}

.intro_title{
    /*padding-top: 80px;*/
    color: #FFFFFF;
    font-size: 30px;
    font-weight: bold;
    width: fit-content;
    height: 42px;
    line-height: 42px;
    text-align: center;
    position: relative;
    margin-bottom: 43px;
    user-select: none;
}

#inn, #inns{
    width: 100%;
    display: grid;
    grid-template-columns: 49% 2% 49%;
    position: relative;
}

#inn a{
    width: 100%;
}

#ss, #sss{
    background-color: #ffffff;
    width: 100%;
    height: 100%;
}

#ss div{

}

.intro_info{
    color: #FFFFFF;
    font-size: 14px;
    font-weight: 200;
    line-height: 30px;
    width: 40%;
    min-width: 500px;
    position: relative;
    margin-bottom: 60px;
    user-select: none;
    text-align: left;
    text-indent: 2em;
}

.intro_img_all{
    /*width: 60%;*/
    min-width: 1200px;
    height: 61vh;
    margin-top: 5%;
}

a{
    text-decoration: none!important;
}

.intro_img_divide{
    width: 100%;
    min-width: 588px;
    height: 50vh;
    /*background-color: #262625;*/
    /*float: left;*/
}

.p1{
    margin-left: 0;
    background-image: url("../img/123.jpg");
    background-repeat: no-repeat;
    background-size: auto 100% ;
    /*float: left;*/
}

.p2{
    margin-right: 0;
    background-image: url("../img/专家评估系统.webp");
    background-repeat: no-repeat;
    background-size: auto 100% ;
    /*float: right;*/
}

.product_name{
    width: fit-content;
    user-select: none;
    text-align: center;
    font-size: 20px;
    color: #E3E3E3;
    padding-top: 30%;
    position: relative;
    margin-bottom: 4%;
}

.one{
    left: 16%;
}

.two{
    right: 15%;
}

.intro_detail{
    color: #A3A3A3;
    font-size: 12px;
    line-height: 30px;
    text-align: center;
    width: 96px;
    height: 30px;
    position: relative;
    margin-bottom: 3%;
    border: #333333 1px solid;
    background-color: #262625;
}


#news_part{
    height: 870px;
    width: 100%;
}
/*新闻资讯标题*/
.news_part_title{
    width: 120px;
    height: 42px;
    font-size: 30px;
    font-weight: bold;
    color: #333333;
    line-height: 42px;
    margin-top: 110px;
    margin-bottom: 72px;
}

.news_first{
    width: 90%;
    height: 310px;
    min-width: 1200px;
    margin-bottom: 24px;
    overflow: hidden;
}

.news_max{
    width: 60%;
    min-width: 550px;
    height: 310px;
    margin-left: 6%;
    float: left;
}

.max_info{
    background: linear-gradient(to top, rgba(0,0,0,1), rgba(0,0,0,0));
    position: relative;
    bottom: 70px;
    padding-top: 34px;
    padding-left: 20px;
    height: 100px;
    font-size: 14px;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 0px;
    transition: bottom 1s ease;
}

.news_max:hover .max_info{
    bottom: 90px;
}

.news_bigger{
    width: 30%;
    height: 309px;
    min-width: 200px;
    margin-left: 12px;
    float: left;
    border-bottom: #E6E6E6 2px solid;
}

.news_info{
    width: 90%;
    height: 40px;
    font-size: 14px;
    font-weight: 530;
    color: #333333;
    line-height: 18px;
    margin-top: 10px;
    overflow: hidden;
}

.news_date{
    width: 84px;
    height: 20px;
    font-size: 14px;
    font-weight: bold;
    color: #999999;
    line-height: 0px;
    margin: 20px 0 20px 20px;
}

.news_second{
    width: 90%;
    height: 210px;
    min-width: 1200px;
    font-size: 14px;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 0px;
}

.news_mini_one{
    width: 30%;
    height: 210px;
    background-image: url("../img/新闻占位5.png");
    background-size: 100% 210px;
    background-repeat: no-repeat;
    float: left;
    margin-left: 10px;
    overflow: hidden;
}

.news_mini_one:first-of-type{
    margin-left: 6%;
}

.news_mini_info{
    background: linear-gradient(to top, rgba(0,0,0,1), rgba(0,0,0,0));
    margin-top: 75px;
    padding-top: 100px;
    padding-left: 20px;
    height: 80px;
    font-size: 14px;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 0px;
    transition: margin-top 1s ease;
}

.news_mini_one:hover .news_mini_info{
    margin-top: 64px;
}

#news_part a{
    text-decoration: none;
}

.news_more{
    width: 120px;
    height: 40px;
    border: #333333 1px solid;
    background: #FFFFFF;
    opacity: 1;
    text-align: center;
    line-height: 40px;
    color: #333333;
    font-size: 16px;
    font-weight: 400;
    margin-top: 58px;
}

#foot{
    /*margin-top: 124px;*/
    width: 100%;
    height: fit-content;
}

/*Written by lq 2023.11.01*/