.extension {
    width: 100%;
    height: auto;
    display: inline-block;
    margin-top: 3%;
}

.index {
    width: 80%;
    margin: 0 auto;
}

.extension h5 {
    text-align: center;
    font-size: 18px;
    letter-spacing: 2px;
}

.extension ul {
    width: 100%;
    height: auto;
    display: inline-block;
    margin-top: 5%;
}

.extension li {
    width: 100%;
    height: auto;
    display: inline-block;
    margin-bottom: 9%;
}

.ca-left {
    width: 42%;
    float: left;
}

.ca-left img {
    width: 100%;
    box-shadow: 5px 4px 8px 7px #ececec;
}

.ca-right {
    width: 52%;
    float: right;
}

.ca-right img {
    width: 53%;
    margin-bottom: 3%;
}

.ca-right h3 {
    font-size: 32px;
    letter-spacing: 3px;
    font-weight: bold;
    line-height: 45px;
    padding: 10px 0;
}

.ca-right span {
    width: auto;
    height: 2px;
    display: inline-block;
    margin: 3% 0;
}

.ca-right p {
    font-size: 18px;
    color: #000;
    line-height: 33px;
    letter-spacing: 1px;
    margin-top: 2%;
}

.cas-left {
    width: 52%;
    float: left;
}

.cas-left h3 {
    font-size: 32px;
    letter-spacing: 3px;
    font-weight: bold;
    line-height: 53px;
    padding: 10px 0;
}

.cas-left span {width: auto;height: 2px;display: inline-block;margin: 3% 0;}

.cas-left p {
    font-size: 18px;
    color: #000;
    line-height: 33px;
    letter-spacing: 1px;
    margin-top: 2%;
}

.cas-right {
    width: 42%;
    float: right;
}

.cas-left img {
    width: 53%;
    margin-bottom: 3%;
}

.cas-right img {
    width: 100%;
    box-shadow: 5px 4px 8px 7px #ececec;
}

.ab_pages {
    clear: both;
    padding: 20px 0;
    font-size: 14px;
    text-align: center;
    overflow: hidden
}

.ab_pages ul {
    display: inline-block;
    margin: 0 auto;
    padding: 0
}

.ab_pages ul a {
    color: #555;
    display: block;
    padding: 5px 11px;
    border: 1px solid #ddd;
    float: left;
    margin: 0 5px;
    font-size: 12px
}

.ab_pages ul a.page-num-current {
    background: #ddd;
}

.ab_pages ul a:hover {
    background: #ddd
}
.ca-right h3 {
    font-size: 32px;
    letter-spacing: 3px;
    font-weight: bold;
    line-height: 45px;
    padding: 10px 0;
}
.ca-right span a{
    color: #0e2132;
    font-size: 15px;
    letter-spacing: 1px;
}
.cas-left  a{
    color: #0e2132;
    font-size: 15px;
    letter-spacing: 1px;
}
@media screen and (max-width: 1024px) and (min-width: 0px) {
    .banner{
        margin-top: 12%;
    }
    .extension h5 {
        text-align: center;
        font-size: 15px;
        letter-spacing: 2px;
    }
    .extension li {
        width: 100%;
        height: auto;
        display: inline-block;
        margin-bottom: 9%;
        border-bottom: 1px dashed;
        padding-bottom: 5%;
    }
    .ca-left {
        width: 100%;
        float: left;
    }
    .index {
        width: 95%;
        margin: 0 auto;
    }
    .ca-right {
        width: 100%;
        float: right;
        margin-top: 4%;
    }
    .ca-right h3 {
        font-size: 26px;
        letter-spacing: 1px;
        font-weight: bold;
        line-height: 37px;
        padding: 10px 0;
    }
    .ca-right p {
        font-size: 15px;
        color: #000;
        line-height: 29px;
        letter-spacing: 1px;
        margin-top: 2%;
    }
    .cas-left {
        width: 100%;
        float: left;
    }
    .cas-left h3 {
        font-size: 26px;
        letter-spacing: 1px;
        font-weight: bold;
        line-height: 37px;
        padding: 10px 0;
    }
    .cas-left p {
        font-size: 15px;
        color: #000;
        line-height: 29px;
        letter-spacing: 1px;
        margin-top: 2%;
    }
    .cas-right {
        width: 100%;
        float: right;
    }
}