body {
    background: #f4f4f4;
}

.content {
    margin-bottom: 100px;
}

.public_con {
    margin-left: -7.5px;
    margin-right: -7.5px;
}

.public_con li {
    width: 285px;
    *width: 280px;
    height: 187px;
    float: left;
    padding: 0 7.5px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.4s linear;
    -moz-transition: all 0.4s linear;
    -webkit-transition: all 04s linear;
    -o-transition: all 0.4s linear;
    transition: all 0.4s linear;
}

.public_con a {
    position: relative;
    display: block;
    width: 100%;
    overflow: hidden;
}

.public_con .img_shadow {
    position: absolute;
    background: #00c3c5;
    width: 100%;
    overflow: hidden;
}

.public_con a img {
    width: 100%;
}

.pub_icon .pub_bg {
    position: absolute;
    background-color: #000;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    opacity: 0.3;
    filter: alpha(opacity=30);
}

.public_con .pub_icon img {
    position: absolute;
    z-index: 10;
}

.pub_icon img {
    width: 82%!important;
    left: 9%;
    top: 9%;
}

.bxword {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto 55px;
    font-size: 16px;
    color: #0054ed;
}

@media (max-width: 1200px) {
    .h2_title {
        width: 90%;
        margin-left: 5%;
    }
    .content {
        width: 90%;
        margin-left: 5%;
    }
    .bxword {
        width: 90%;
        margin-left: 5%;
    }
    .public_con {
        margin-right: 0;
        margin-left: 0;
    }
    .public_con li {
        width: 33.33%;
        box-sizing: border-box;
        height: auto;
    }
}

@media (max-width: 992px) and (min-width: 768px) {
    .public_con li {
        width: 50%;
    }
}

@media (max-width: 768px) {
    .public_con li {
        width: 100%;
    }
    .bxword {
        font-size: 14px;
    }
}