.fl {
    float: left;
}
.fr {
    float:right;
}
.container {
        width: 100%;
        background-color: #fff;
    }
    .container .content {
        overflow:hidden;
    }
.r-top {
    position: relative;
    height: 300px;
}
.welcome {
    position: absolute;
    left: 338px;
    top: 175px;
    width: 524px;
    height: 96px;
    background: rgba(255,255,255,0.55);
    font-size: 30px;
    font-family: "Microsoft YaHei";
    color: #0e0e0e;
    text-align: center;
    line-height: 96px;
}
.r-card {
    height: 260px;
}
.r-card .card-item {
    position: relative;
    float: left;
    margin: 38px 17px 0;
    width: 266px;
    height: 172px;
}

    .r-card .card-item > a {
        position: relative;
        display: block;
        width: 100%;
        height: 100%;
    }

        .r-card .card-item > a:before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            border: 6px solid transparent;
            box-sizing: border-box;
            transition: 0.36s ease;
        }

    .r-card .card-item:hover a:before {
        border-color: #be2020;
    }

    .r-card .card-item .card-img {
        height: 98px;
        line-height: 98px;
        text-align: center;
    }

        .r-card .card-item .card-img > img {
            vertical-align: middle;
            transition: all 0.36s ease;
        }

    .r-card .card-item:hover .card-img > img {
        transform: scale(1.1) translate3d(0, 0, 0);
    }

    .r-card .card-item .card-font {
        position: relative;
    }

        .r-card .card-item .card-font > .heading {
            font-size: 14px;
            font-family: "Microsoft YaHei";
            color: #333;
            text-align: center;
            line-height: 22px;
            transition: all 0.36s ease;
        }

        .r-card .card-item .card-font:before {
            clear: both;
            display: block;
            content: '';
            position: absolute;
            height: 1px;
            background: transparent;
            left: 50%;
            width: 25px;
            top: 20px;
            transform: translate3d(-50%, 0, 0);
            transition: 0.36s ease;
        }

    .r-card .card-item:hover .card-font:before {
        background: #c0bebe;
        width: 66px;
    }

    .r-card .card-item:hover .heading {
        transform: translateY(-10px);
    }

    .r-card .card-item .subhead {
        padding: 0 10px;
        margin-top: 5px;
        font-size: 12px;
        font-family: "Microsoft YaHei";
        color: #666;
        line-height: 16px;
        text-align: center;
        transition: 0.36s ease;
    }

    .r-card .card-item:hover .subhead {
        transform: translateY(5px);
    }

.r-big-heading {
    height: 130px;
    line-height: 130px;
    text-align: center;
}
.heading-left {
    display: inline-block;
    vertical-align: -19px;
}
    .heading-left p {
        font-size: 20px;
        font-family: "Microsoft YaHei";
        color: #be2020;
        line-height: 36px;
    }
.heading-right {
    display: inline-block;
    font-size: 30px;
    font-family: "Microsoft YaHei";
    color: #be2020;
}
.module-title {
    margin: 50px 0 30px;
    text-align:center;
}
    .module-title span {
        display: inline-block;
        width: 142px;
        height: 50px;
        font-size: 20px;
        font-family: "Microsoft YaHei";
        color: #fff;
        line-height: 50px;
        background: #be2020;
    }
.rcon-box {
    margin-bottom: 20px;
    padding: 0 40px;
    overflow: hidden;
}
.words-box p {
    font-size: 14px;
    font-family: "Microsoft YaHei";
    color: #666;
    line-height: 24px;
    text-indent: 2em;
}
    .words-box p span {
        color: #be2020;
    }
.code-name{
    font-size: 14px;
    font-family: "Microsoft YaHei";
    color: rgb(0, 0, 0);
    text-align:center;
    line-height: 28px;
}

.problem-box {
    margin: 0 40px;
    padding: 25px 0;
    border-bottom: 1px dashed #909090;
    overflow: hidden;
}
.problem-title {
    margin-bottom: 20px;
    font-size: 14px;
    font-family: "Microsoft YaHei";
    color: #c33c3c;
    line-height: 24px;
}
.problem-title span {
    display: inline-block;
    margin-right: 10px;
    width: 28px;
    height: 28px;
    background: #be2020;
    text-align:center;
    line-height: 28px;
    font-size:12px;
    color: #fff;
    border-radius: 50%;
}
.problem-words p {
    font-size: 14px;
    font-family: "Microsoft YaHei";
    color: #666;
    line-height: 24px;
}
.problem-words p span{
    color: #be2020;
}
@media (max-width:1199px) {
    .r-top {
        height: auto;
    }
    .r-top img {
        width: 100%;
    }
    .welcome {
        left: 0;
        top: unset;
        bottom: 4px;
        width: 100%;
        height: 40px;
        font-size: 16px;
        line-height: 40px;
    }
    .r-card {
         height: auto; 
    }
        .r-card .card-item {
            float: none; 
            margin: 38px auto 0;
        }
    .problem-words {
        width: 100% !important;
    }
    .problem-img {
        width: 100% !important;
        padding:0 !important;
        text-align: center;
    }
        .problem-img img {
            margin: 0 !important;
        }
    .r-big-heading {
         height: auto; 
        line-height: 45px;
    }
    .words-box,
    .words-box div {
        width: 100% !important;
        height: auto !important;
    }
    .img-box {
        width: 100% !important;
        text-align: center;
    }
}