h1, h2 {
    margin:0;
}
li {
    list-style: none;
}

.top_banner {
    min-width: 1200px;
    background: url(/images/ershouche_banner.png) no-repeat center center;
    height: 725px;
}

.top_banner_contain {
    padding-top: 62px;
    position: relative;
    text-align: center;
}

.top_banner_title {
    font-size: 44px;
    color: #FFFFFF;
    line-height: 60px;
}

.top_banner_subtitle {
    font-size: 32px;
    color: #FFFFFF;
    line-height: 60px;
    padding-top: 12px;
}

.section_base_info_right_bottom {
    width: 280px;
    line-height: 48px;
    background: linear-gradient(270deg, #8B80FF 0%, #685FFB 100%);
    border-radius: 24px;
    display: block;
    margin: 0 auto;
    color: #fff;
    font-size: 18px;
    margin-top: 15px;
}


.part_title {
    text-align: center;
    color: #333333;
    font-size: 26px;
    line-height: 39px;
    padding-top: 58px;
}

.part_subtitle {
    text-align: center;
    color: #666666;
    font-size: 18px;
    line-height: 27px;
    padding-top: 12px;
    padding-bottom: 35px;
}

.bg_gray {
    background: #FAFAFA;
}

.service_item {
    width: 25%;
    float: left;
    margin-left: 150px;
}

    .service_item:first-child {
        margin-left: 0;
    }

.service_item_pic {
    display: block;
    margin: 0 auto;
    width: 150px;
    height: 100px;
    margin-top: 44px;
}

.service_item_title {
    text-align: center;
    font-size: 20px;
    line-height: 30px;
    padding-top: 8px;
    color: #333;
}

.service_item_des {
    text-align: center;
    font-size: 16px;
    line-height: 24px;
    color: #999;
    display: block;
    margin: 0 auto;
    width: 242px;
    padding-top: 10px;
}

.product_item {
    width: 568px;
    height: 987px;
    background: #fff;
    border-radius: 8px;
    margin-left: 60px;
    float: left;
    border: 1px solid #EBEDF0;
}

    .product_item:first-child {
        margin-left: 0px;
    }

.product_item_top {
    background: no-repeat center center;
    background-size: cover;
    height: 110px;
}

.product_item_top_title {
    font-size: 26px;
    padding-top: 35px;
    color: #fff;
    padding-left: 36px;
    line-height: 39px;
}


.product_adv_item {
    position: relative;
}

    .product_adv_item .ershouche_adv_cha {
        width: 56px;
        height: 56px;
        background: url(/images/ershouche_adv_cha.png) no-repeat center center;
        position: absolute;
        top: 62px;
        left: 23px;
    }

    .product_adv_item .ershouche_adv_gou {
        width: 56px;
        height: 56px;
        background: url(/images/ershouche_adv_gou.png) no-repeat center center;
        position: absolute;
        top: 62px;
        left: 23px;
    }


    .product_adv_item .product_adv_item_pic {
        display: block;
        margin-left: 99px;
    }

    .product_adv_item .product_adv_item_title {
        font-size: 18px;
        line-height: 27px;
        color: #333;
        padding-top: 10px;
        padding-bottom: 40px;
        padding-left: 99px;
    }




.part_intro_left {
    width: 604px;
    float: left;
}

.part_intro_title {
    font-size: 24px;
    line-height: 45px;
    padding-top: 184px;
    color: #5760E0;
}

.part_intro_item {
    padding-top: 32px;
}

.part_intro_label {
    color: #333333;
    font-size: 18px;
    line-height: 25px;
    position: relative;
    padding-left: 32px;
}

    .part_intro_label:before {
        content: "";
        position: absolute;
        width: 12px;
        height: 12px;
        border: 4px solid #2173FF;
        border-radius: 50%;
        top: 2px;
        left: 0;
    }

.part_intro_value {
    color: #666666;
    font-size: 16px;
    line-height: 26px;
    margin-top: 10px;
}

.part_intro_des {
    color: #333333;
    font-size: 16px;
    line-height: 26px;
    padding-top: 26px;
}

.part_intro_right {
    float: right;
    width: 478px;
}


.contact_bar {
    background: url(/images/ershouche_contact_bg.png) no-repeat center center;
    padding-top: 10px;
    padding-bottom: 10px;
}

.contact_bar_wechat_box {
    float: left;
    width: 100px;
    margin-left: 123px;
}

.contact_bar_pic {
    display: block;
    width: 100px;
}

.contact_bar_wechat_text {
    width: 100px;
    height: 20px;
    line-height: 20px;
    background: #227EFF;
    text-align: center;
    color: #FFFFFF;
    font-size: 14px;
}

.contact_bar_text {
    float: left;
    color: #fff;
    font-size: 32px;
    line-height: 50px;
    margin-left: 24px;
    margin-top: 10px;
}

.contact_bar_right {
    float: left;
    margin-left: 300px;
}

.contact_bar_phone {
    color: #fff;
    font-size: 24px;
    line-height: 33px;
    margin-top: 8px;
}

.contact_bar_btn {
    width: 240px;
    line-height: 56px;
    border-radius: 8px;
    border: 1px solid #FFFFFF;
    color: #fff;
    text-align: center;
    margin-top: 12px;
    font-size: 24px;
    display: block;
    margin-left: 8px;
}

.wechat_box_postion {
    position: fixed;
    width: 140px;
    left: 50%;
    margin-left: 620px;
    top: 50%;
    margin-top: -200px;
    z-index: 1000;
}

.wechat_box {
    background: #2488FF;
    position: relative;
    border-radius: 8px;
    padding-top: 42px;
    padding-bottom: 15px;
}

.wechat_box_icon {
    width: 62px;
    height: 64px;
    position: absolute;
    left: 50%;
    margin-left: -31px;
    top: -32px;
}

.wechat_box_contain {
    background: #fff;
    margin-left: 8px;
    margin-right: 8px;
    border-radius: 6px;
    text-align: center;
}

.wechat_box_title {
    font-size: 16px;
    font-weight: bold;
    color: #222222;
    line-height: 24px;
    padding-top: 8px;
}

.wechat_box_des {
    font-size: 14px;
    color: #222222;
    line-height: 21px;
}

.wechat_box_pic {
    width: 100px;
    height: 100px;
    display: block;
    margin: 0 auto;
    margin-top: 9px;
}

.wechat_box_line {
    width: 100px;
    margin: 0 auto;
    height: 1px;
    background: #EEEEEE;
    margin-top: 12px;
}

.wechat_box_label {
    font-size: 12px;
    color: #666666;
    line-height: 18px;
    padding-top: 9px;
}

.wechat_box_value {
    font-size: 14px;
    color: #222222;
    line-height: 21px;
    margin-top: 2px;
}

.link_bbche_website {
    width: 100px;
    margin: 0 auto;
    text-align: center;
    margin-top: 15px;
    margin-bottom: 5px;
    color: #fff;
    font-size: 16px;
    line-height: 32px;
    background: #2488FF;
    border-radius: 4px;
    display: block;
}

@media screen and (max-width: 1520px) {
    .wechat_box_postion {
        left: auto;
        right: 0px;
    }
}

.chat_box {
    width: 440px;
    height: 144px;
    background: #F1F5F8;
    border-radius: 8px;
    margin-top: 30px;
}

.chat_box_pic {
    float: left;
    width: 120px;
    height: 120px;
    margin-left: 12px;
    margin-top: 12px;
}

.chat_box_text {
    width: 258px;
    font-size: 24px;
    color: #333D5F;
    line-height: 40px;
    margin-left: 20px;
    float: left;
    margin-top: 30px;
}