* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    line-height: 42px;
}

body {
    /*兼容ie8使用的居中效果*/
    width: 100%;
    text-align: center;
}

a {
    text-decoration: none;
}

/*清除浮动*/
.clearfix:after {
    content: "";
    display: block;
    clear: both;
}

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

.header {
    position: absolute;
    /*width: expression(document.body.screenWidth >= 1920? "auto": "1920px");*/
    width: 100%;
    height: 300px;
    top: 0;
    left: 0;
    right: 0;
    z-index: -999;
    object-fit: cover;
    /*background: url("../images/banner .png") no-repeat;*/
    /*background-size: 100% 100%;*/
    /*兼容ie8*/
    /*filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../images/banner .png", sizingMethod="scale");*/
}

.header img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.environment {
    margin-top: 420px;
    position: relative;
    height: 580px;
}

.environment-title {
    font-size: 36px;
}

.environment-title p {
    font-size: 18px;
    font-weight: 800;
    color: #04338D;
}

.environment-brief {
    position: absolute;
    top: 110px;
    /*left: 366px;*/
    left: 19%;
    /*width: 792px;*/
    /*width: 14.6rem;*/
    width: 40%;
    height: 268px;
    font-size: 14px;
    text-align: left;
}

.environment-brief p {
    margin-bottom: 40px;
    line-height: 40px;
    font-size: 16px;
}

.fudong2 {
    width: 11px;
    height: 49px;
    position: absolute;
    top: 0;
    /*right: 1075px;*/
    left: 40%;
}

.fudong1 {
    /*width: 122px;*/
    width: 6%;
    height: 213px;
    position: absolute;
    top: 110px;
    /*left: 185px;*/
    left: 9%;
}

.chatu1 {
    position: absolute;
    top: 0;
    /*right: 257px;*/
    right: 13%;
    /*width: 543px;*/
    width: 28%;
    height: 463px;
    background: url("/static/images/watcher/chatu1.png") no-repeat;
    background-size: cover;
}

.introduction {
    position: relative;
    /*width: 100%;*/
    width: 100%;
    height: 347px;
    /*background: url("../images/danbeijing 拷贝.png") no-repeat;*/
    /*background-size: 100% 100%;*/
}

.introduction .bgt {
    width: 100%;
    height: 100%;
}

.introduction .bgt img {
    width: 100%;
    height: 100%;
}

.introduction-box {
    position: absolute;
    top: 77px;
    left: 20%;
    width: 1200px;
    height: 375px;
    background-color: #fff;
    box-shadow: 0 2px 13px 0 rgba(239, 242, 248, 0.85);
    border-radius: 6px;
    text-align: left;
    /*兼容ie8的盒子阴影以及圆角*/
    behavior: url("../pie/PIE.htc");
}

.introduction-img {
    width: 382px;
    height: 323px;
    background: url("/static/images/watcher/chatu2.png") no-repeat;
    background-size: 100% 100%;
    margin: 29px 0 0 5px;
}

.introduction-title1 {
    position: absolute;
    top: 75px;
    left: 295px;
    /*width: 144px;*/
    height: 36px;
    font-size: 36px;
    font-weight: 800;
    color: #333333;
    z-index: 999;
}

.introduction-title2 {
    position: absolute;
    top: 85px;
    left: 295px;
    width: 624px;
    height: 38px;
    font-size: 48px;
    font-weight: 800;
    color: #E4E9F0;
}

.introduction-box p {
    position: absolute;
    top: 167px;
    right: 59px;
    width: 739px;
    height: 144px;
    font-size: 18px;
    font-weight: 400;
    color: #333333;
}

.technology-title {
    position: relative;
    margin-top: 200px;
}

.technology-box {
    position: relative;
    margin: 0 auto;
    width: 320px;
}

.technology-box .left, .right {
    position: absolute;
    /*margin-top: 20px;*/
    top: 20px;
    /*left: 0;*/
    width: 53px;
    height: 4px;
    background: #333333;
    border-radius: 2px;
}

.technology-box .right {
    right: 0;
}

.technology-title h3 {
    /*width: 144px;*/
    height: 35px;
    font-size: 36px;
    font-weight: 800;
    color: #333333;
}

.technology-title p {
    margin: 0 auto;
    width: 178px;
    height: 11px;
    font-size: 14px;
    font-weight: 800;
    color: #BEC8D7;
    margin-bottom: 82px;
}

.technology-introduction {
    /*display: flex;*/
    /*justify-content: space-around;*/
    margin: 0 auto;
    width: 1200px;
    margin-bottom: 100px;
    text-align: left;
}

.technology-introduction > div {
    /*flex: 1;*/
    width: 25%;
    float: left;
    padding: 0 20px;
}

.technology-introduction div[class$="img"] {
    margin: 0 auto;
    width: 148px;
    height: 148px;
}

.technology-introduction h4[class$="_title"] {
    text-align: center;
    margin: 30px 0 20px 0;
    font-size: 20px;
    height: 38px;
    line-height: 20px;
}

.technology-introduction p {
    font-size: 12px;
    line-height: 30px;
}

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

.typical h4 {
    text-align: left;
    font-size: 36px;
    font-weight: 800;
}

.typical span {
    display: block;
    float: left;
    content: "";
    width: 3px;
    height: 32px;
    background: #04338D;
    border-radius: 2px;
    margin: 6px 15px 0 0;
}

.typical-introduction {
    text-align: left;
    font-size: 18px;
    font-weight: 800;
    margin-left: 68px;
}

.typical-img {
    width: 897px;
    height: 381px;
    margin: 37px auto 148px;
}

.photo {
    /*display: flex;*/
    width: 1200px;
    margin: 0 auto 72px;
    /*flex-wrap: wrap;*/
}

.photo h4 {
    text-align: left;
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 40px;
}

.photo span {
    display: block;
    float: left;
    content: "";
    width: 3px;
    height: 32px;
    background: #04338D;
    border-radius: 2px;
    margin: 6px 15px 0 0;
}

.photo-img {
    width: 590px;
    float: left;
    height: 443px;
    margin: 0 10px 10px 0;
    background: url("/static/images/watcher/dayue1.png") no-repeat;
    background-size: 100% 100%;
}

.photo-img:nth-child(2) {
    background: url("/static/images/watcher/zhongnongfa1.png") no-repeat;
    background-size: 100% 100%;
}

.photo-img:nth-child(3) {
    background: url("/static/images/watcher/yuetuan1.png") no-repeat;
    background-size: 100% 100%;
}

.photo-img:nth-child(4) {
    background: url("/static/images/watcher/yimin1.png") no-repeat;
    background-size: 100% 100%;
}

.phoyo-img-small {
    width: 465px;
    height: 234px;
    margin: 164px 0 0 64px;
}

.photo-title {
    padding: 0 47px;
    margin-top: 65px;
    color: #fff;
}

.photo-title-left {
    float: left;
    text-align: left;
}

.photo-title-left h4 {
    font-size: 30px;
}

.photo-title-left p {
    font-size: 16px;
}

.photo-title-right {
    float: right;
}

.photo-title-right a {
    width: 161px;
    height: 51px;
    line-height: 51px;
    display: block;
    color: #fff;
    font-size: 24px;
    border: 1px solid #fff;
    border-radius: 6px;
}

.photo-title-right a:hover {
    color: #333;
    background-color: #fff;
}

/*适配小屏幕*/
@media screen and (max-width: 1200px) {
    .introduction-box {
        left: 0;
    }

    .chatu1 {
        height: 300px;
    }
}

@media screen and (min-width: 1200px) and (max-width: 1440px) {
    .introduction-box {
        left: 7%;
    }

    .chatu1 {
        height: 400px;
    }
}

.schj {
    font-size: 1.17em;
    font-weight: bold;
}

@media screen and (max-width: 768px) {
    .environment-brief {
        position: relative;
        width: 80%;
        left: 0;
        margin: 0 auto;
        top: 40px;
    }
    .technology-introduction,.typical,.photo {
        width: 100%;
    }
    .typical-img {
        width: 90%;
        height: auto;
    }
    .technology-introduction > div {
        width: 50%;
    }
    .environment-brief p {
        line-height: 150%;
        margin-bottom: 1em;
    }
    .chatu1 {
        left: 50%;
        top: 50%;
        opacity: 0.1;
        width: 98%;
        transform: translateX(-50%) translateY(-50%);
    }
    .fudong2 {
        z-index: -1;
        opacity: 0.1;
    }
    .introduction,.introduction-box,.photo-img {
        width: 100%;
    }
    .photo-title-left h4 {
        margin-bottom: 0;
        font-size: 20px;
    }
    .photo-title-right a {
        width: auto;
        height: auto;
        padding: 5px 20px;
        line-height: 100%;
        font-size: 18px;
    }
    .phoyo-img-small{
        width: 90%;
        margin: 0 auto;
    }
    .phoyo-img-small img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .header img {
        width: 180%;
    }
    .introduction-box p {
        position: absolute;
        width: 90%;
        top: 30%;
        left: 50%;
        transform: translateX(-50%);
        /*line-height: 180%;*/
        height: auto;
        line-height: 150%;
        font-size: 16px;
    }
    .introduction-title1 {
        left: 10%;
        top: 5%;
        font-size: 24px;
    }
    .introduction-title2 {
        top: 8%;
        left: 10%;
        font-size: 20px;
    }
    .introduction-box{
        height: auto;
    }
    .introduction-img {
        opacity: 0.1;
    }
    .technology {
        padding-top: 20px;
    }
    .schj,.technology-title h3 {
        font-size: 27px;
    }
    .environment {
        margin-top: 0;
    }
    .header {
        position: relative;
        height: 150px;
        margin-bottom: 20px;
    }
    technology {
        position: relative;
    }
    .technology-title {
        margin-top: 0;
    }
    .introduction {
        height: 480px;
    }
    .technology-introduction div[class$="img"] {
        width: 60%;
        height: 60%;
    }
    .technology-title p {
        margin-bottom: 40px;
    }
    .technology-introduction > div {
        margin-bottom: 20px;
    }
    .technology-introduction p {
        line-height: 150%;
        letter-spacing: 1px;
    }

    .technology-introduction h4[class$="_title"] {
        font-size: 20px;
        line-height: 120%;
        height: auto;
    }
    .technology-introduction div[class$="img"] img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
}