.dev_sec2 {
    background-position: left top;
    background-color: #fafafa;
}

.dev_sec2 .ll {
    margin-bottom: 5%;
}

.dev_sec2 .ll p {
    margin-top: 3%;
}

.dev_sec2 .list {
    margin: -0.5%;
    font-size: 0;
}

.dev_sec2 .list .item {
    width: 32.33%;
    margin: 0.5%;
    display: inline-block;
    float: none;
}

.dev_sec2 .table {
    margin: 3% 0 5% 0;
}

.dev_sec2 .table table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 2px;
}

.dev_sec2 .table td,
.dev_sec2 .table th {
    background: #efefef;
    padding: 1em 2em;
    text-align: center;
    width: 33.33%;
}


.dev_sec2 .table th {
    background: #d7413f;
    color: #fff;
    font-weight: bold;
}

.dev_sec6 {
    background: #ffffff;
    padding: 5% 0;
}

.dev_sec6 .left,
.dev_sec6 .right {
    width: 48%;
    float: left;
}

.dev_sec6 .right {
    margin-left: 4%;
}

.dev_sec6 .ll {
    margin-bottom: 3%;
}

.dev_sec6 .content {
    padding: 5% 0 3% 0;
    clear: both;
    text-align: center;
}

.dev_sec6 .content img {
    max-width: 100%;
}

.dev_sec7 {
    background: #f9f9f9;
    position: relative;
    overflow: hidden;
    padding: 8% 0 10%;
}

.dev_sec2 {
    position: relative;
    overflow: hidden;
}

.dev_sec2::before {
    content: '';
    position: absolute;
    top: 0;
    left: -10%;
    margin-top: -6.5%;
    width: 120%;
    background: #fff;
    transform: rotate(-3deg);
    padding: 5%;
}

.dev_sec7::before {
    content: '';
    position: absolute;
    top: 0;
    left: -10%;
    margin-top: -7%;
    width: 120%;
    background: #fff;
    transform: rotate(3deg);
    padding: 5%;
}

.dev_sec4 {
    margin-top: -8%;
    z-index: 5;
    position: relative;
}

.index_title_des,
.dev_sec1 .ll p{
    color: #333333;
}

@media screen and (max-width: 768px) {

    .dev_sec6 .content img {
        width: 100%;
    }
    
    .index_title_des {
        font-size: 14px;
    }

    .dev_sec6 .left,
    .dev_sec6 .right {
        margin-left: 0;
        width: auto;
    }

    .dev_sec2 .list .item {
        width: 49%;
    }

    .dev_sec2 .table th {
        display: none;
    }

    .dev_sec2 .table tr {
        display: block;
        width: auto;
    }

    .dev_sec2 .table tr+tr {
        margin-bottom: 20px;
    }

    .dev_sec2 .table td {
        display: block;
        width: auto;
        text-align: left;
        position: relative;
        padding: 0.7em 1em;
        padding-left: 6em;
        margin-bottom: 2px;
    }

    .dev_sec2 .table td::before {
        content: attr(title);
        height: 100%;
        /* background: #d7413f; */
        /* text-align: right; */
        display: block;
        position: absolute;
        left: 0;
        top: 0;
        width: 6em;
        padding: 0.7em 1em;
        box-sizing: border-box;
        /* color: #fff; */
        /* font-weight: bold; */
    }

    .index_title_des br,
    .dev_sec1 .ll p br{
        display: none;
    }

    
}