html {
    font-family: 'Microsoft YaHei', 'Segoe UI', SegoeUI, 微软雅黑, "Helvetica Neue", Helvetica, Arial, sans-serif;
}

body, ul, p, h1, h2, h3 {
    margin: 0;
}

body {
    background-color: #F4F5F9;
}

a, a:hover {
    text-decoration: none;
    color: #000000;
}

.content {
    width: 1440px;
    margin: auto;
    background-color: #F4F5F9;
}

.bar {
    position: fixed;
    z-index: 1;
    top: 0;
    height: 72px;
    width: 1440px;
    background-color: #FFFFFF;
    border-width: 0 0 1px 0;
    border-color: #cccccc;
    border-style: solid;
}

.bar .logo {
    float: left;
    margin-left: 50px;
    margin-top: 11px;
    margin-bottom: 11px;
    height: 50px;
    width: 184px;
    color: transparent;
    background-image: url('images/logo.png');
}

.bar .menu {
    float: right;
    margin-top: 22px;
    margin-bottom: 21px;
    font-size: 21px;
}

.bar .menu ul {
    list-style: none;
}

.bar .menu ul li {
    line-height: 21px;
    margin-right: 60px;
    display: inline;
}

.banner {
    position: relative;
    margin-top: 72px;
    height: 448px;
    background-image: url('images/home.png');
    background-position: bottom left;
    color: #FFFFFF;
    border-bottom-left-radius: 700px 22px;
    border-bottom-right-radius: 700px 22px;
}

.banner .cl {
    float: left;
    width: 850px;
}

.banner>.cl>.s1 {
    margin-top: 88px;
    margin-left: 185px;
    font-size: 60px;
    font-weight: 900;
    letter-spacing: 15px;
}

.banner>.cl>.s2 {
    margin-top: 25px;
    margin-left: 410px;
    font-size: 60px;
    font-weight: 900;
    letter-spacing: 15px;
}

.banner>.cl>.s3 {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    margin-top: 10px;
    margin-left: 180px;
    width: 525px;
    height: 55px;
    font-size: 18px;
    text-align: center;
    background-image: url('images/dv1.png');
    background-repeat: no-repeat;
}

.banner>.cr {
    float: right;
    margin-top: 58px;
    margin-right: 120px;
    width: 470px;
    height: 320px;
    background-color: rgba(192, 230, 250, 0.3);
    border-radius: 10px;
}

.banner>.cr>.box {
    position: relative;
    margin-top: 10px;
    margin-left: 10px;
    width: 450px;
    height: 300px;
    border-radius: 11px;
    background-image: url('images/home-box.png');
    background-repeat: no-repeat;
}

.banner>.cr>.box>.s1 {
    position: absolute;
    top: 73px;
    left: 40px;
    font-size: 36px;
    font-weight: 500;
}

.banner>.cr>.box>.s2 {
    position: absolute;
    top: 101px;
    left: 182px;
    font-size: 16px;
}

.banner>.cr>.box>.s3 {
    position: absolute;
    top: 191px;
    left: 140px;
    font-size: 21px;
}

.home {
    margin-top: -22px;
    margin-bottom: 50px;
    padding-top: 1px;
    height: 474px;
    background-color: #FFFFFF;
}

.home>h2 {
    margin-top: 74px;
    text-align: center;
    font-size: 36px;
    font-weight: 900;
    line-height: 50px;
}

.home>.iv1 {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    margin-top: 5px;
    height: 130px;
    color: #666666;
    font-size: 18px;
    line-height: 25px;
    text-align: center;
    background-image: url("images/i1.png");
    background-repeat: no-repeat;
    background-position: top center;
}

.home>.ih {
    float: left;
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    margin-top: 50px;
    margin-left: 300px;
    height: 115px;
    width: 80px;
    font-size: 24px;
    font-weight: 500;
    background-repeat: no-repeat;
}

.i2 {
    background-image: url("images/i2.png");
}

.i3 {
    background-image: url("images/i3.png");
}

.i4 {
    background-image: url("images/i4.png");
}

.serv {
    padding-top: 1px;
    height: 630px;
    background-color: #FFFFFF;
}

.bgr {
    background-repeat: no-repeat, no-repeat;
    background-position: right top, 620px 100px;
}

.bgl {
    background-repeat: no-repeat, no-repeat;
    background-position: left top, 100px 100px;
}

.bg1 {
    background-image: url("images/service1.png"), url("images/shadow.png");
}

.bg2 {
    background-image: url("images/service2.png"), url("images/shadow.png");
}

.bg3 {
    background-image: url("images/service3.png"), url("images/shadow.png");
}

.bg4 {
    background-image: url("images/service4.png"), url("images/shadow.png");
}

.serv h2 {
    font-size: 24px;
    font-weight: 500;
}

.serv p {
    font-size: 18px;
    background-image: linear-gradient(to right, #4261A4, #4261A4);
    background-size: 50px 10px;
    background-repeat: no-repeat;
}

.serv.bgr h2 {
    margin-top: 181px;
    margin-left: 50px;
}

.serv.bgr p {
    display: flex;
    align-items: flex-end;
    margin-top: 25px;
    margin-left: 50px;
    width: 514px;
    height: 85px;
}

.serv.bgl h2 {
    margin-top: 181px;
    margin-left: 876px;
}

.serv.bgl p {
    display: flex;
    align-items: flex-end;
    margin-top: 25px;
    margin-left: 876px;
    width: 514px;
    height: 85px;
}

.footer {
    margin-top: 50px;
    padding-top: 1px;
    height: 550px;
    color: #FFFFFF;
    background-color: #18222C;
    background-image: url("images/footer.png");
    background-repeat: no-repeat;
    line-height: 1.2;
}

.footer .s1 {
    margin-top: 50px;
    margin-left: 277px;
    font-size: 32px;
    font-weight: 900;
}

.footer .s2 {
    margin-top: 35px;
    margin-left: 657px;
    font-size: 32px;
    font-weight: 900;
}

.footer .contact {
    margin-top: 130px;
    font-size: 24px;
    font-weight: 900;
    text-align: center;
}

.footer .address {
    margin-top: 20px;
    font-size: 21px;
    font-weight: 500;
    text-align: center;
}

.footer .email {
    margin-top: 10px;
    font-size: 21px;
    font-weight: 500;
    text-align: center;
}

.footer .beian {
    margin-top: 51px;
    font-size: 18px;
    font-weight: 100;
    text-align: center;
}

.footer .copyright {
    margin-top: 5px;
    font-size: 18px;
    font-weight: 100;
    text-align: center;
}