html {
  font-size: 16px;
}
* {
    font-family: Microsoft YaHei;
    font-weight: 400;
    font-size: 16px;
}

body {
    background-color: #F5F6F8;
    min-height:100vh;
}

.header {
    background-color: #1079E4;
    background-image: url(/images//home_header_bg.png);
    background-size: cover;
    background-position: center; 
}


.headernav {
    background-color: #2989EA;
    font-size: 16px;
    color: white;
    width:100%;
    position:fixed;
    top:0;
    left:0;
    height:54px;
    z-index:100;
}
.headernav_fix {
    width: 100%;
    height: 54px;
}

.headernav .navbar {
    padding: 0;
}

    .headernav .navbar-nav .nav-item {
        flex: 1;
        margin: 3px;
        text-align: center;
    }

        .headernav .navbar-nav .nav-item:hover {
            background-color: #1180E5;
        }

    .headernav .navbar-nav .nav-link {
        display: inline-block;
    }

    .headernav .navbar-nav a, .headernav .navbar-nav a.active {
        font-size: 16px;
        color: white;
    }

    .headernav .navbar-nav .nav-link.show {
        color: white;
    }

    .headernav .navbar-nav a.active {
        font-weight: bold;
        border-bottom: 4px solid white;
    }

    .headernav .navbar-nav .dropdown-item {
        color: black;
        white-space: wrap;
    }

        .headernav .navbar-nav .dropdown-item:active {
            color: white;
        }

.footer {
    height:120px;
}


.footer_in {
    background-color: #1079E4;
    text-align: center;
    color: white;
    min-height: 120px;
    padding-top: 32px;
    padding-bottom: 32px;
    display: flex;
    width:100vw;
    position:fixed;
    bottom:0;
    left:0;
}