* {
    margin: 0;
    padding: 0;
    vertical-align: top;
}
html,body {
    font: 15px 'Microsoft YaHei';
    height: 100%;
}
body {
    background: url(/Content/img/bg.jpg) no-repeat;
    background-size: 100% 100%;
    overflow-x: hidden;
    margin: 0;
}
.content {
    position: relative;
    margin: 0 auto;
}

input {
    outline: none;
}

a {
    color: #000;
    text-decoration: none;
}

ul li {
    list-style: none;
}

header {
    height: 80px;
    line-height: 80px;
    background: #fff;
    padding: 0 10%;
}

.subject, .btm table {
    width: 80%;
    margin: 0 auto;
}

.logo {
    float: left;
    position: relative;
    color: #E60012;
}
   
    .logo .name {
        position: absolute;
        line-height: initial;
        bottom: 5px;
        right: -50px;
        font-weight: bold;
    }

    .logo img {
        /*vertical-align: text-bottom;*/
    }

    .logo h1 {
        display: inline-block;
    }

    .logo .versions {
        font-size: 18px;
        padding: 0 5px;
    }

.heading {
    float: right;
}

    .heading ul li {
        float: left;
        list-style: inherit;
        font-size: 15px;
        width: 60px;
        margin-left: 40px;
    }

.subject {
    position: relative;
    height: calc(100% - 280px);
}

.login {
    width: 300px;
    height: 320px;
    background: rgba(255,255,255,.9);
    right: 10%;
    top: 0;
    bottom: 80px;
    border-radius: 5px;
    margin: auto;
    box-shadow: 0 0 15px #bbbbbb;
    position: absolute;
}

.login_btn span {
    display: none;
    width: 100%;
    height: 30px;
    position: relative;
    background: #169BD5;
    margin-top: -30px;
    text-align: center;
    border-radius: 5px;
}
    .login div {
        width: 246px;
        margin: 20px auto 0;
    }

        .login div p {
            font-size: 15px;
        }

        .login div.login_user input,
        .login div.login_pass input {
            border: 1px solid #DCDCDC;
            padding: 3%;
            width: 93%;
            border-radius: 5px;
            background: #E6E6E6;
        }

            .login div.login_user input:focus,
            .login div.login_pass input:focus {
                border-color: #169bd5
            }

    .login .login_role ul li {
        display: inline-block;
        margin-right: 20px;
    }

    .login .login_btn {
        text-align: center;
    }

    .login .login_role input {
        vertical-align: middle;
        width: 15px;
        height: 15px;
    }

    .login .login_btn input {
        width: 100%;
        height: 30px;
        line-height: 30px;
        background-color: #169BD5;
        border: none;
        border-radius: 5px;
        color: #fff;
        cursor: pointer;
        transition: all .3s;
    }

        .login .login_btn input:hover {
            background: #3276b1;
        }

/*产品目录*/
.btm {
    background: #000;
    width: 100%;
    color: #fff;
    top: calc(100% - 40px);
    position: absolute;
    z-index: 10;
    min-width: 1400px;
    font-size: 14px;
    color: #999;
    padding-bottom: 20px;
}

    .btm .copyright {
        margin-bottom: 10px;
        line-height: 40px;
        text-align: center;
    }

        .btm .copyright a {
            text-decoration: none;
            color: #999;
        }

    .btm .wrap {
        width: 1400px;
        margin: auto;
        display: flex;
        justify-content: space-between;
    }

        .btm .wrap > div:first-child::after {
            content: '';
            height: 110px;
            width: 2px;
            background-color: #fff;
            display: inline-flex;
            position: relative;
            left: 25%;
            top: 6px;
        }

        .btm .wrap > div span {
            font-size: 16px;
            color: #fff;
        }

        .btm .wrap ul li {
            margin-bottom: 5px;
        }

            .btm .wrap ul li:first-child {
                margin-top: 30px;
            }

        .btm .wrap ul {
            list-style: none;
            color: #999;
            padding-left: 0;
        }

    .btm ul img {
        margin-right: 5px;
        margin-bottom: -4px;
    }

    .btm ul a {
        color: #999;
    }

    .btm .wrap > div:nth-child(3) a {
        text-decoration: none;
    }

    .btm .wrap > div > div img {
        margin-top: 30px;
    }

    .btm .wrap > div > img {
        margin-bottom: 10px;
    }
.back {
    width: 100%;
    height: calc(100% - 120px);
    position: absolute;
    top: 80px;
    z-index: -1;
}