.theme {
    /* background: url(../image/banner-bg2.png) no-repeat top center; */
    height: 460px;
}
.theme-desc {
    height: 460px;
}
.banner-text h2 {
    background: url(../image/logo_bg_1.png) no-repeat left center;
}

.tool {
    text-align: left;
    border-bottom: 1px dashed #cccccc;
    padding: 55px 0 60px;
}

.tool-img {
    padding: 0;
}

.tool-img img {
    width: 100%;
}

.tool-desc {
    text-align: left;
    padding: 65px 48px 0 48px;
    line-height: 1.8;
}

.tool-desc h3 {
    font-size: 20px;
    font-weight: bold;
    color:#333;
}

.tool-desc p {
    font-size: 18px;
    color: #888888;
}

.tool-desc a {
    display: block;
    margin-top: 30px;
    font-size: 24px;
    font-weight: bold;
    color: #0977da;
    text-align: center;
    border: 1px solid #0266ba;
    line-height: 60px;
    border-radius: 62px;
    width: 248px;
    text-decoration: none;
    outline: 0;
    cursor: pointer;
}

.tool-desc a:hover {
    color: #fff;
    background-color: #0977da;
}

@media (max-width: 970px) {
    .tool {
        padding: 10px 0;
    }
    .tool:nth-child(2n+0) .tool-img{
        float: left;
        width: 100%;
    }
    .tool:nth-child(2n+0) .tool-desc{
        float: right;
        width: 100%;
    }
    .tool-desc {
        padding: 0 48px;
        text-align: center;
    }
    .tool-desc div a {
        margin: 30px auto 30px;
    }
}

@media (min-width: 970px) {
    .tool:nth-child(2n+0) .tool-img{
        float: right;
    }
    .tool:nth-child(2n+0) .tool-desc{
        float: left;
    }
}