body {
}

.main-header {
    height: 50px;
    width: 1440px;
    position: relative;
    margin: 0 auto;
}

    .main-header .logo {
        display: inline-block;
        font-size: 25px;
        font-weight: 600;
        color: #E9291C;
        line-height: 50px;
        margin-left: 300px;
    }

    .main-header .nav {
        position: absolute;
        right: 300px;
        top: 0px;
    }

        .main-header .nav a {
            color: black;
            text-decoration: none;
            font-weight: 540;
        }

        .main-header .nav .menu {
            display: inline-block;
            margin-right: 20px;
        }

            .main-header .nav .menu div {
                display: inline-block;
                width: 70px;
                text-align: center;
                height: 50px;
                line-height: 50px;
            }

        .main-header .nav .help {
            display: inline-block;
        }

            .main-header .nav .help div {
                display: inline-block;
                width: 100px;
                text-align: center;
                height: 50px;
                line-height: 50px;
            }

            .main-header .nav .help a {
                border: 1px solid #E9291C;
                padding: 8px;
                color: #E9291C;
            }

            .main-header .nav .help .active {
                background-color: #E9291C;
                color: white;
            }

.main-body {
    /*  width: 1440px;
    margin: 0 auto;*/
}

    .main-body .main-center {
        width: 1440px;
        margin: 0 auto;
    }

.banner-bg {
    height: 500px;
    background-color: #EC3F1F;
}

.banner {
    position: relative;
    height: 500px;
    background: url(/content/images/11.6banner-bg.jpg) no-repeat center;
}

.banner-center {
    position: relative;
    width: 985px;
    height: 500px;
    background: url(/content/images/11.6banner-2.png) no-repeat center;
    margin: 0 auto;
}

.banner .banner-use {
    width: 280px;
    height: 70px;
    position: absolute;
    bottom: 110px;
    left: 25px;
}

.banner .div-info {
    position: absolute;
    width: 300px;
    height: 365px;
    right: 350px;
    top: 100px;
    background-color: white;
    border-radius: 10px;
}

    .banner .div-info .title {
        color: #E9291C;
        font-size: 25px;
        font-weight: 540;
        text-align: center;
        margin: 20px;
    }

    .banner .div-info .info {
        margin: 0 auto;
        width: 250px;
    }

        .banner .div-info .info div {
            line-height: 1.8rem;
            margin-bottom: 10px;
        }

    .banner .div-info .use {
        width: 150px;
        margin: 0 auto;
        text-align: center;
        background-color: #E9291C;
        color: white;
        height: 45px;
        line-height: 40px;
        border-radius: 5px;
        cursor: pointer;
        font-size: 28px;
        font-weight: 540;
    }

.content {
    padding: 50px 0;
    background-color: #f6f6f6;
}

    .content .function {
        margin: 30px auto;
        width: 1220px;
    }

        .content .function .div-function {
            background-color: white;
            border-radius: 20px;
            display: inline-block;
            width: 360px;
            height: 140px;
            margin-left: 20px;
            margin-right: 20px;
            box-shadow: 0px 0px 10px #999999;
        }

            .content .function .div-function .div-title {
                font-size: 20px;
                font-weight: 540;
                margin: 25px 20px 20px 120px;
            }

            .content .function .div-function .div-info {
                margin: -5px 30px 20px 120px;
                color: #999999;
            }

            .content .function .div-function .div-img {
                display: inline-block;
                float: left;
                margin: 20px;
            }

    .content .more {
        margin: 0 auto;
        width: 220px;
        height: 60px;
        line-height: 60px;
        text-align: center;
        background-color: #E9291C;
        border-radius: 10px;
        font-size: 25px;
    }

        .content .more a {
            color: white;
            text-decoration: none;
            width: 100%;
            height: 100%;
            display: inline-block;
        }

.main-title {
    text-align: center;
    font-size: 35px;
    font-weight: 540;
    margin-bottom: 15px;
}

.main-info {
    text-align: center;
    color: #999999;
    font-size: 22px;
}

.infomation {
    padding-top: 50px;
}

.infomation-div {
    width: 1250px;
    margin: 0 auto;
    height: 500px;
    margin-top: 30px;
}

.infomation-left {
    display: inline-block;
    width: 600px;
    height: 500px;
    float: left;
}

.infomation-right {
    display: inline-block;
    width: 600px;
    height: 500px;
    margin-left: 50px;
}

.infomation-text {
    transform: translateY(-50%);
    position: relative;
    top: 50%;
}

.infomation-title {
    font-size: 25px;
    font-weight: 550;
}

.infomation-info {
    margin: 10px 0;
    font-size: 18px;
}

.circle {
    width: 10px;
    height: 10px;
    background-color: #E9291C;
    border-radius: 50%;
    display: inline-block;
    margin-right: 5px;
}

.infomation-sub {
    background-color: white;
    height: 150px;
}

.infomation-sub-center {
    background-image: url(/content/images/information-sub.png);
    background-repeat: no-repeat;
    height: 100%;
    width: 1440px;
    margin: 0 auto;
    background-size: 1200px;
}

.infomation-sub .btn-use {
    background-color: #E9291C;
    display: inline-block;
    color: white;
    height: 70px;
    width: 210px;
    border-radius: 15px;
    font-size: 28px;
    line-height: 70px;
    text-align: center;
    float: right;
    margin-top: 40px;
    margin-right: 20px;
    cursor: pointer;
    text-decoration: none;
}

.main-footer a {
    text-decoration: none;
    color: #959595;
}

    .main-footer a:visited {
        color: #959595;
    }

.main-footer {
    height: 250px;
    background-color: black;
    color: white;
    margin: 0 auto;
    position: relative;
}

    .main-footer .footer-center {
        width: 1440px;
        margin: 0 auto;
    }

    .main-footer .footer-div {
        display: inline-block;
        height: 100%;
        margin-left: 150px;
    }

    .main-footer .footer-title {
        margin-top: 70px;
        margin-bottom: 30px;
        font-weight: 600;
    }

    .main-footer .footer-info {
        margin-bottom: 10px;
        color: #959595;
    }

    .main-footer .qrcode {
        position: absolute;
        top: 50px;
        height: auto !important;
    }

        .main-footer .qrcode img {
            width: 150px;
            margin: 0 auto;
            display: flex;
        }

        .main-footer .qrcode div {
            text-align: center;
            color: #959595;
        }

/*视频号教程-样式*/
.t-main-center {
    width: 1210px;
    height: auto;
    margin: auto;
}