*{
    color: #2c3b52;
}
h1{
    color: white;
    text-align: center;
}
h2{
    font-size: 36px;
    text-align: center;
    padding-top: 90px;
    padding-bottom: 20px;
}
p{
    font-size: 14px;
    color: #9599a8;
    text-align: center;
    padding-bottom: 60px;
}

/*横幅广告*/
#banner{
    padding-top: 80px;
    background-color: #1c1c1c;
    overflow: hidden;
}
#banner-context{
    background-image: url(../img/banner-bg.png);
    background-repeat: no-repeat;
    background-size: contain;
    color: white;
    position: relative;
    z-index: 1;
}
.line{
    margin: 0 auto;
    background-image: url(../img/company-banner.png);
    background-repeat: no-repeat;
    background-size: inherit;
    background-position-x: center;
    position: relative;
}
#banner p{
    position: absolute;
    color: white;
}
#banner img{
    position: absolute;
}
#star-canvas{
    position: absolute;
    top: 0;
}

/*公司介绍*/
.introduction{
    background-color: #f7f8f8;
}
.introduction ul li{
    width: 25%;
    height: 60px;
    background-color: #333333;
    color: white;
    float: left;
    text-align: center;
    line-height: 60px;
    font-size: 16px;
    cursor: pointer;
}
.introduction li span{
    height: 30px;
    float: right;
    border-right: 1px solid #999999;
    margin-top: 15px;
}
.introduction h2{
    padding-top: 80px;
    padding-bottom: 60px;
}
#introduction-detail-one p{
    width: 930px;
    font-size: 16px;
    line-height: 34px;
    text-align: left;
    padding: 0;
    margin: 0 auto;
    text-indent: 2rem;
    margin-bottom: 1rem;
}
#introduction-detail-one{
    padding-bottom: 60px;
}
#introduction-detail-two{
    display: none;
}
#introduction-detail-three{
    display: none;
}
#introduction-detail-four{
    display: none;
}

/*优点*/
.advantage-content{
    background-image: url(../img/advantage-bgimg.png);
    height: 768px;
    box-sizing: border-box;
    position: relative;
}
.content-title{
    padding-left: 120px;
    padding-top: 65px;
}
.content-title h3{
    font-size: 48px;
    color: white;
    text-align: left;
}
.content-title p{
    font-size: 18px;
    color: white;
    text-align: left;
    padding-top: 20px;
}
.content-word{
    box-sizing: border-box;
    padding-left: 34px;
}
.content-word p{
    color: #9599a8;
    text-align: left;
    line-height: 25px;
    font-size: 14px;
}
.content-groups{
    width: 973px;
    height: 653px;
    position: relative;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
}
.content-product p,.content-service p{
    width: 302px;
}
.content-exp p,.content-tool p{
    width: 260px;
}
.content-word h4{
    font-size: 24px;
    color: white;
    padding-bottom: 30px;
}
.content-group{
    position: absolute;
}
.content-product{
    right: 0;
}
.content-product div{
    float: left;
}
.content-exp,.content-tool,.content-service{
    top: 201px;
}
.content-tool{
    right: 0;
}
.content-service{
    right: 300px;
}
.content-product div.content-word,.content-service div.content-word{
    width: 370px;
    height: 201px;
    padding-top: 30px;
}
.content-tool div.content-word,.content-exp div.content-word{
    width: 300px;
    height: 248px;
    padding-top: 70px;
}
.content-word{
    transition: all .5s ease;
}
.content-img{
    background-size: 100%;
    background-position: center center;
    transition: all .5s ease;
}
.content-product div.content-img{
    background-image: url("../img/advantage-three.png");
    width: 300px;
    height: 201px;
}
.content-exp div.content-img{
    background-image: url("../img/advantage-one.png");
    width: 303px;
    height: 203px;
}
.content-tool div.content-img{
    background-image: url("../img/advantage-four.png");
    width: 300px;
    height: 202px;
}
.content-service div.content-img{
    background-image: url("../img/advantage-two.png");
    width: 370px;
    height: 248px;
}
.content-group:hover div.content-img{
    transition: .5s;
    background-size: 110%;
}
.content-group:hover div.content-word{
    background-color: rgba(60,71,97,.6);
    transition: all .5s ease;
}

/*相关证书*/
.certificate{
    padding-bottom: 20px;
    text-align: center;
}
.certificate h2{
    padding-bottom: 60px;
}
.certificate-img{
    width: 260px;
    height: 358px;
    display: inline-block;
    margin: 0 30px;
    margin-top: 40px;
}
.certificate-img img{
    max-width: 100%;
    max-height: 100%;
}
.certificate-group{
    margin-bottom: 40px;
}
.certificate-img-short{
    width: 580px;
}

/*联系我们*/
.contact-main {
    width: 1366px;
    margin: 0 auto;
    padding-bottom: 60px;
}
#contact-map{
    width: 600px;
    height: 500px;
    float: left;
    margin-left: 90px;
    margin-right: 85px;
    border: 1px solid #999999;
}
.contact-word {
    padding-top: 46px;
}
.contact-word h3{
    font-size: 24px;
    margin-bottom: 15px;
    cursor: pointer;
}
.contact-word h3:hover{
    color: #cc1e25;
}
.contact-word p{
    padding-bottom: 46px;
    font-size: 16px;
    color: #9599a8;
    margin-left: 24px;
    text-indent: 2rem;
    text-align: left;
}
.fontRed{
    color: #cc1e25;
}

/*-------------------自适应-------------------*/
@media screen and (max-width: 2560px) {
    /*横幅*/
    #banner p {
        font-size: 24px;
    }
    .line{
        width: 1920px;
        height: 552px;
    }
    #space{
        max-height: 632px;
    }
    #banner-context{
        height: 552px;
    }
    #banner h1 {
        padding-top: 130px;
        font-size: 46px;
    }
    .point-one {
        left: 520px;
        top: 225px;
    }
    .point-two{
        left: 550px;
        top: 408px;
    }
    .point-three{
        left: 310px;
        top: 445px;
    }
    .point-four{
        right: 550px;
        top: 215px;
    }
    .point-five{
        right: 710px;
        top: 310px;
    }
    .point-six{
        right: 400px;
        top: 475px;
    }
    /*优势*/
    .content-groups {
        zoom: 1.2;
    }
    .advantage-content {
        height: 968px;
    }
    .content-title{
        padding-left: 260px;
        padding-top: 75px;
    }
    /*相关证书*/
    .certificate-img {
        margin: 0 60px;
    }
    /*联系我们*/
    .contact-img {
        margin-left: 70px;
        margin-right: 125px;
    }
}
@media screen and (max-width: 1920px) {
    /*横幅*/
    #banner-context{
        height: 483px;
    }
    .line{
        width: 1680px;
        height: 483px;
    }
    #banner h1 {
        font-size: 36px;
        padding-top: 140px;
    }
    #banner p{
        font-size: 18px;
    }
    .point-one {
        left: 450px;
        top: 195px;
    }
    .point-two{
        left: 480px;
        top: 348px;
    }
    .point-three{
        left: 270px;
        top: 395px;
    }
    .point-four{
        right: 450px;
        top: 195px;
    }
    .point-five{
        right: 610px;
        top: 270px;
    }
    .point-six{
        right: 320px;
        top: 415px;
    }
    /*优势*/
    .content-groups {
        zoom: 1.2;
    }
    .advantage-content {
        height: 908px;
    }
    .content-title {
        padding-left: 120px;
        padding-top: 65px;
    }
}
@media screen and (max-width: 1680px) {
    /*横幅*/
    #banner-context{
        height: 368px;
    }
    .line{
        width: 1280px;
        height: 368px;
    }
    #banner h1 {
        font-size: 38px;
        padding-top: 110px;
    }
    #banner p{
        font-size: 18px;
    }
    .point-one {
        left: 330px;
        top: 145px;
    }
    .point-two{
        left: 370px;
        top: 258px;
    }
    .point-three{
        left: 200px;
        top: 295px;
    }
    .point-four{
        right: 340px;
        top: 145px;
    }
    .point-five{
        right: 460px;
        top: 200px;
    }
    .point-six{
        right: 240px;
        top: 315px;
    }
    /*优势*/
    .content-groups {
        zoom: 1;
    }
    .advantage-content {
        height: 808px;
    }
    /*相关证书*/
    .certificate-img {
        margin: 0 30px;
        zoom: .9;
    }
    /*联系我们*/
    .contact-img {
        margin-left: 90px;
        margin-right: 85px;
    }
}
@media screen and (max-width: 1280px) {
    /*横幅*/
    #banner-context{
        height: 294px;
    }
    #banner h1{
        font-size: 36px;
        padding-top: 80px;
    }
    .line{
        width: 1024px;
        height: 294px;
    }
    #banner p{
        font-size: 18px;
    }
    .point-one{
        left: 250px;
        top: 110px;
    }
    .point-two{
        left: 280px;
        top: 198px;
    }
    .point-three{
        left: 140px;
        top: 230px;
    }
    .point-four{
        right: 260px;
        top: 105px;
    }
    .point-five{
        right: 360px;
        top: 160px;
    }
    .point-six{
        right: 180px;
        top: 250px;
    }
    /*公司介绍*/
    #introduction-detail-one p {
        width: 830px;
    }
    /*优势*/
    .advantage-content {
        height: 768px;
    }
    .content-groups {
        zoom: .95;
    }
    .content-title {
        padding-left: 100px;
        padding-top: 60px;
    }
    .content-title h3 {
        font-size: 40px;
    }
    .content-title p {
        font-size: 16px;
        padding-top: 10px;
    }
    /*相关证书*/
    .certificate-img {
        zoom: .75;
    }
    /*联系我们*/
    #contact-map {
        width: 500px;
        height: 400px;
        margin-left: 30px;
        margin-right: 45px;
    }
    .contact-word {
        zoom: .9;
        padding-top: 30px;
    }
    .contact-main {
        width: 1025px;
    }
}
@media screen and (max-width: 1024px)  {
    .introduction h2 {
        padding-bottom: 30px;
    }
    /*横幅*/
    #banner-context{
        height: 230px;
    }
    #banner h1{
        font-size: 28px;
        padding-top: 60px;
    }
    .line{
        width: 800px;
        height: 230px;
    }
    #banner p{
        font-size: 14px;
    }
    .point-one{
        left: 200px;
        top: 85px;
    }
    .point-two{
        left: 220px;
        top: 155px;
    }
    .point-three{
        left: 110px;
        top: 180px;
    }
    .point-four{
        right: 210px;
        top: 85px;
    }
    .point-five{
        right: 280px;
        top: 130px;
    }
    .point-six{
        right: 140px;
        top: 195px;
    }
    #introduction-detail-one p {
        width: 730px;
    }
    /*优势*/
    .content-title {
        padding-left: 50px;
        padding-top: 65px;
    }
    .content-title h3 {
        font-size: 28px;
    }
    .content-title p {
        font-size: 12px;
        padding-top: 6px;
    }
    .content-groups{
        zoom: .7;
    }
    .advantage-content {
        height: 568px;
    }
    /*证书*/
    .certificate-img {
        zoom: .65;
        margin: 0 10px;
    }
    /*联系我们*/
    .contact-main{
        width: 780px;
    }
    .contact-word {
        zoom: .65;
        padding-top: 30px;
    }
    #contact-map {
        width: 400px;
        height: 300px;
        margin-left: 30px;
        margin-right: 25px;
    }
    .contact-word p {
         margin-bottom: 0;
    }
}