.serve_bg {
    position: absolute;
    width: 100%;
    height: 755px;
    display: block;
    object-fit: cover;
    z-index: -1;
    top: 0;
    left: 0;
    min-width: 1800px;
}

.serve_function_box {
    width: 900px;
    margin: 0 auto;
}

.serve_function_item {
    width: 300px;
    margin-top: 70px;
}

.serve_function_image {
    width: 120px;
    height: 120px;
    display: block;
    margin: 0 auto;
    margin-bottom: 23px;
}

.serve_number {
    width: 100%;
    height: 360px;
    background-color: #fbfbff;
    position: relative;
    min-width: 1900px;
}

.serve_number_box {
    width: 1200px;
    height: 100%;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.serve_number_lf {
    width: 180px;
    height: 370px;
    position: absolute;
    left: -20px;
    top: -10px;
}

.serve_number_green {
    /* width: 900px; */
    margin-right: 40px;
}

.serve_number_green:last-child {
    margin: 0px;
}

.serve_number_green_item {
    width: 25%;
}

.serve_number_green_item_top {
    width: 220px;
}

.serve_number_green_item_top_green {
    color: #10a393;
    font-size: 58px;
    font-weight: 600;
    margin-right: 8px;
}

.serve_number_green_item_top_black {
    font-size: 16px;
    color: #333;
    margin-top: 16px;
}

.serve_number_green_item_top_gray {
    color: #b6b9c2;
    font-size: 14px;
    width: 200px;
}

.serve_number_left {
    width: 1000px;
}

.serve_img_box {
    width: 100%;
    position: relative;
    height: 775px;
    text-align: center;
    min-width: 1800px;
}

.serve_img_box_img {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    object-fit: cover;
}

.serve_bottom_box {
    position: relative;
    width: 100%;
    height: 764px;
    min-width: 1800px;
}

.serve_bottom_box_image {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    top: 0;
    left: 0;
    min-width: 1900px;
}

.need_box {
    position: absolute;
    width: 258px;
    right: 540px;
    top: 178px;
}

.need_green {
    width: 8px;
    height: 8px;
    background-color: #10A393;
    border-radius: 50%;
    margin: 15px 15px 0 0;
}

.need_word_top {
    font-size: 26px;
    margin-bottom: 5px;
}

.need_word_bottom {
    color: #999999;
    font-size: 16px;
}

.need_item {
    margin-bottom: 30px;
}