* {
        padding: 0;
        margin: 0;
    }
body {
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif, 'microsoft yahei'
    }

    .smart_content {
        padding: 80px 10px;
        width: 1200px;
        margin: 0 auto;
        overflow: hidden;
        box-sizing: border-box;
        clear: both;
    }

    .smart_title {
        font-size: 30px;
        line-height: 1;
        margin-bottom: 16px;
        color: #333;
        text-align: center;
    }

    .smart_subtitle {
        font-size: 16px;
        line-height: 1;
        color: #999;
        margin-bottom: 60px;
        text-align: center;
    }

    .problem {
        width: 220px;
        height: 358px;
        background: #fff;
        box-shadow: 0 4px 12px rgba(208, 208, 208, .6);
        border-radius: 10px;
        margin-right: 20px;
        float: left;
    }

    .problem:last-child {
        margin-right: 0;
    }

    .problem_pic {
        width: 220px;
        height: 212px;
        border-radius: 10px 10px 0 0;
        color: #fff;
        font-size: 22px;
        line-height: 212px;
        text-align: center;
    }
    .problem_pic1{
        background: url(/autoweb/images/solution/shopping.png);
    }
    .problem_pic2{
        background: url(/autoweb/images/solution/pay.png);
    }
    .problem_pic3{
        background: url(/autoweb/images/solution/talk.png);
    }
    .problem_pic4{
        background: url(/autoweb/images/solution/attract.png);
    }
    .problem_pic5{
        background: url(/autoweb/images/solution/shopoutside.png);
    }
    .problem_text {
        padding: 24px;
        color: #999;
        font-size: 14px;
        line-height: 32px;
        text-align: center;
    }

    .bg_grey {
        background-color: #f8f8f8;
        overflow: hidden;
        clear: both;
    }

    .icon_item {
        width: 20%;
        float: left;
        margin-right: 6.6%;
    }

    .icon_item:nth-child(4n) {
        margin-right: 0;
    }

    .icon_pic {
        width: 140px;
        height: 140px;
        border-radius: 50%;
        margin: 0 auto 20px;
        display: block;
    }

    .icon_text {
        font-size: 14px;
        color: #333;
        text-align: center;
        margin-bottom: 40px;
    }

    .introduce_pic {
        width: 100%;
        height: 560px;
        background: url(/autoweb/images/solution/product_ad.png)no-repeat;
    }

    .smart-left {
        margin-left: 700px;
        text-align: left;
    }

    .lh36 {
        line-height: 36px;
        font-size: 18px;
        color: #999;
        margin-top: 50px;
        margin-bottom: 30px;
    }

    .bg_pic {
        background: url(/autoweb/images/solution/equipment.png);
        background-size:100%; 
    }

    .circle_icon {
        margin-right: 36px;
        float: left;
    }

    .icon_pic2 {
        width: 70px;
        height: 70px;
        border-radius: 50%;
        
    }

    .icon_text2 {
        font-size: 16px;
        color: #666;
        margin-top: 16px;
        text-align: center;
    }

    .clear {
        clear: both;
    }

    .margin40 {
        margin-bottom: 40px;
        overflow: hidden;
    }

    .introduce_pic2 {
        width: 80%;
        height: 190px;
        background: url(/autoweb/images/solution/pay_change.png)no-repeat;
        background-size: 100%;
        margin: 0 auto;
        margin-top: 60px;
    }

    .smart_content_left {
        width: 46%;
        height: 660px;
        float: left;
        background: #fff;
        margin-right: 8%;
        border-radius: 10px;

    }

    .smart_content_left:last-child {
        margin-right: 0;
    }

    .product_item_title {
        font-size: 24px;
        text-align: center;
        color: #333;
    }

    .smart_price {
        font-size: 36px;
        color: #b66720;
        text-align: center;
        line-height: 1;
        margin-top: 10px;
    }

    .title_price {
        display: flex;
        flex-direction: column;
        justify-content: center;
        background: #ebd1a8;
        border-radius: 10px 10px 0 0;
        height: 140px;
    }

    .product_item_icon {
        width: 88px;
        height: 88px;
        background: #333;
        border-radius: 50%;
    }

    .product_item_text {
        text-align: center;
        margin-top: 12px;
        font-size: 14px;
        line-height: 20px;
    }

    .title_price_top {
        display: flex;
        justify-content: space-around;
        padding: 30px 0;
    }

    .product_item_box {
        display: flex;
        align-items: center;
        flex-direction: column;
    }

    .plus_icon {
        font-size: 18px;
        width: 10px;
        position: absolute;
        right: -50px;
        top: 50%;
        transform: translateY(-50%);
    }

    .product_item_icon {
        position: relative;
    }

    .title_price_bottom {
        margin: 0px 32px;
    }

    .product_item_velue {
        color: #999;
        line-height: 36px;
        font-size: 14px;
        padding: 32px 0;
        border-top: 1px solid #eee;
    }

    .buy_btn {
        width: 140px;
        height: 40px;
        color: #fff;
        font-size: 16px;
        font-weight: bold;
        text-align: center;
        background: linear-gradient(to right, #ff7200, #ffb629);
        background: -webkit-linear-gradient(#ff7200, 3ffb629);
        /* Safari 5.1 - 6.0 */
        background: -o-linear-gradient(#ff7200, #ffb629);
        /* Opera 11.1 - 12.0 */
        background: -moz-linear-gradient(#ff7200, #ffb629);
        line-height: 40px;
        border-radius: 4px;
        margin: 0 auto;
        cursor:pointer;
    }
    .prl30px{
        padding-right:30px; 
        padding-left:30px; 
    }
    .product_item_icon1{
        background: url(/autoweb/images/solution/shop_icon.png)
    }
    .product_item_icon2{
        background: url(/autoweb/images/solution/pay_icon.png)
    }
    .product_item_icon3{
        background: url(/autoweb/images/solution/ad_icon.png)
    }
    .product_item_icon4{
        background: url(/autoweb/images/solution/face_pay.png)
    }