.auto {
    width: 1200px;
    max-width: 1200px;
    margin: auto;
}

.nva_item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0 0 0;
}



.logo img {

    height: 80px;
}

.nva_logo_tow {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nva_logo_p {
    display: none;
}

.nva_logo_p {
    font-size: 14px;
    color: rgb(102, 102, 102);
}



.nva_logo_title h6 {
    font-size: 25px;
    color: rgb(0, 0, 0);
    letter-spacing: 3px;
    font-weight: bold;
    line-height: 45px;
}

.nva_logo_title p {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    line-height: 140%;
    color: #5a5a5a;
}

.nva_list_ul {
    display: flex;
}

.nva_list_li {
    margin-right: 20px;
}

.nva_list_li .nva_list_a {
    padding: 40px 6px;
    display: block;
    color: #333;
    border-bottom: 3.5px solid #ffffff;
}

.nva_list_li .nva_list_a:hover {
    color: #1f5ba3 !important;
    border-bottom: 3.5px solid #1f5ba3 !important;
}

.one {
    color: #1f5ba3 !important;
    border-bottom: 3.5px solid #1f5ba3 !important;
}

.banner {
    position: relative;
    height: 713px;
    z-index: 1;
}

.banner_title {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 20;
}

.banner_title h6 {
    color: #fff;
    font-family: Arial;
    font-size: 38px;
    font-weight: bold;
    text-align: center;
    line-height: 70px;
}

.banner_title p {
    color: #fff;
    font-family: Arial;
    font-size: 38px;
    font-weight: bold;
    text-align: center;
    line-height: 70px;
}

.index_lead {
    margin-top: 100px;
}

.index_lead_title,
.index_About_us_title,
.index_product_title {
    text-align: center;
}

.index_lead_title h6,
.index_About_us_title h6,
.index_product_title h6 {
    color: rgb(0, 0, 0);
    font-size: 24px;
    letter-spacing: 2px;
    line-height: 25.2px;
    font-family: 微软雅黑;
}

.index_lead_title div,
.index_About_us_title div,
.index_product_title div {
    width: 80px;
    height: 1px;
    background-color: rgb(31, 91, 163);
    margin: auto;
    margin-top: 10px;
    margin-bottom: 10px;
}

.index_lead_title p,
.index_About_us_title p,
.index_product_title p {
    font-size: 20px;
    line-height: 22.4px;
    font-family: Arial, Helvetica, sans-serif;
    color: #5a5a5a;
}

.index_lead_list_ul {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 20px;
}

.index_lead_list_li {
    text-align: center;
    width: 20%;
}

.index_lead_div_one {
    width: 100%;
    height: 100px;
    position: relative;
}

.index_lead_div_one img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%)
}

.index_lead_list_li .index_lead_div_one:hover .dn {
    display: block !important;
}


.index_lead_div_two h6 {
    color: rgb(0, 0, 0);
    font-family: 微软雅黑;
    font-size: 18px;
    line-height: 25.2px;
}

.index_lead_div_two p {
    font-size: 12px;
    color: #808080;
    line-height: 18px;
    margin-top: 5px;
}

.index_product {
    padding: 100px 0;
}

.index_product_item {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

.index_product_list {
    width: 20%;
    color: #666666;
}

.index_product_content {
    width: 80%;
}

.index_product_list_li {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-indent: 6px;
    cursor: pointer;
    font-size: 13px;
}


/* .index_product_list_ul .index_product_list_li:hover {
    background-image: url(../images/zs05_hvjl.png);
    background-repeat: no-repeat;
    background-position: center;
    z-index: 20;
    color: #fff;
} */
.receipt {
    background-image: url(../images/zs05_hvjl.png);
    background-repeat: no-repeat;
    background-position: center;
    z-index: 20;
    color: #fff;
}

.index_product_list1 {
    position: relative;
    padding: 0 0 55px 0;
    border-left: 5px solid rgb(31, 91, 163);
}

.index_product_zhe {
    position: absolute;
    background: #333333;
    width: 86%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
}

.index_product_content_ul {
    display: flex;
    flex-wrap: wrap;
}

.block_div {
    display: none;
}

.index_product_content_li {
    width: 282px;
    margin-left: 30px;
    text-align: center;
}

.index_product_content_div {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #d9d9d9;
}

.index_product_content_div img {
    width: 80%;
}

.index_product_content_li p {
    line-height: 50px;
    font-size: 14px;
    color: #5a5a5a;
}

.index_About_us {
    margin-bottom: 100px;
}

.index_About_us_content {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    position: relative;
}

.index_About_us_zhe {
    width: 80px;
    height: 900px;
    position: absolute;
    top: 0;
    right: -45px;
    background: #1f5ba3;
    z-index: 100;
}

.index_About_us_img {
    position: absolute;
    top: 30px;
    right: -100px;
    color: #fff;
    z-index: 110;
    writing-mode: vertical-rl;
}

.index_About_us_img img {
    width: 100px;
    height: 800px;
}

.index_About_us_img1 {
    position: absolute;
    top: 770px;
    right: 0px;
    color: #fff;
    z-index: 110;
    writing-mode: vertical-rl;
}

.index_About_us_content_left,
.index_About_us_content_right {
    width: 46%;
}

.index_About_us_content_right img {
    width: 100%;
    height: 900px;
}

.index_About_us_content_left h6 {
    font-size: 20px;
    font-family: 微软雅黑;
    color: rgb(21, 25, 28);
    font-weight: bold;
    line-height: 50px;
    margin-top: 40px;
}

.index_About_us_content_left p span {
    text-indent: 25px;
    font-size: 14px;
    color: #5a5a5a;
    line-height: 28px;
}

.index_About_us_content_left a {
    width: 110px;
    display: block;
    border: 3px solid #000000;
    text-align: center;
    padding: 10px 0;
    color: #000;
    font-weight: bold;
    margin-top: 20px;
}

.index_About_us_content_left a:hover {
    background: #000000;
    color: #fff;
    transition: 1s;
}

.index_About_us_content_right_a a {
    display: block;
    width: 110px;
    height: 42px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    margin-left: 25px;
}

.index_About_us_content_right_a {
    display: flex;
    margin-top: 20px;
}

.index_About_us_content_right_a a:nth-child(1) {
    background-color: rgba(31, 91, 163, 1);
}

.index_About_us_content_right_a a:nth-child(2) {
    background-color: red;
}

.index_About_us_content_right_a a:nth-child(1):hover,
.index_About_us_content_right_a a:nth-child(2):hover {
    background: #333;
    transition: 1.5s;
}

.buttom {
    background: #333333;
    text-align: center;
    padding: 10px 0;
}

.buttom_text {
    color: #ffffff;
    margin: auto;
}

.buttom_text span {
    display: inline-block;
    background: #000000;
    padding: 5px 20px;
    border-radius: 20px;
}

/* 关于我们 */
.banner_two {
    position: relative;
}

.banner_two img {
    width: 100%;
    display: block;
}

.banner_two_text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.banner_two_text h6 {
    color: #fff;
    font-size: 24px;
}

.banner_two_text p {
    color: #1f5ba3;
    font-size: 20px;
    margin-top: 15px;
}

.about_footer {
    background-color: rgb(31, 91, 163);
}

.about_footer_item {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.about_footer_left,
.about_footer_left ul {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.about_footer_left ul li {
    display: flex;
    align-content: center;
}

.about_footer_left ul li span {
    display: flex;
    align-items: center;
    margin-left: 10px;
    color: #fff;
}

.about_footer_left ul li a {
    font-size: 14px;
    color: #fff;
    margin-left: 10px;
    display: block;
    padding: 25px 0;
}

.about_footer_right ul {
    display: flex;
}

.about_footer_right ul li a {
    display: block;
    padding: 28px 32px;
    color: #fff;
    font-size: 14px;
}

.two {
    background: #C22826;
}

.about_page {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 60px 0;
}

.about_page_left {
    width: 80%;
}

.about_page_left p span {
    /* display: block; */
    text-indent: 25px;
    font-size: 14px;
    font-family: 微软雅黑;
    letter-spacing: 0px;
    line-height: 200%;
    color: #5a5a5a;
}

.data_axle {
    display: flex;
    justify-content: space-around;
}

.data_axle h6 {
    color: rgb(0, 0, 0);
    font-family: 微软雅黑;
    font-size: 24px;
    font-weight: bold;
    line-height: 50px;
}

.data_axle li div {
    font-size: 14px;
    color: #5a5a5a;
}

.data_axle_left {
    text-align: right;
}

.data_axle_content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.data_axle_content_xian {
    width: 2px;
    height: 55px;
    background: #a8a7a7;
}

.data_axle_content_yuan {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid #a8a7a7;
    ;
}

.data_2015 {
    margin-top: 75px;
}

.data_2013 {
    margin-top: 100px;
}

.data_2016 {
    margin-top: 25px;
}

.data_2014 {
    margin-top: 70px;
}

.data_2012 {
    margin-top: 80px;
}

.about_page_rigth {
    width: 8%;
    background-color: rgb(31, 91, 163);
    position: relative;
    height: 400px;
    z-index: 1;
}

.about_page_rigth_text {
    writing-mode: vertical-rl;
    color: #fff;
    margin-left: 10px;
    bottom: 40px;
    position: absolute;
    letter-spacing: 5px;
}

.about_page_rigth_zhe {
    position: absolute;
    top: 20px;
    left: 60px;
    z-index: 10;
}

.about_text {
    padding: 80px 0;
    display: flex;
    justify-content: space-between;
}

.about_text_left {
    width: 60%;
}

.about_text_left ul {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}

.about_text_left ul li {
    display: flex;
    margin-top: 45px;
}

.about_text_left ul li strong {
    font-size: 18px;
    line-height: 22.4px;
    color: rgb(31, 91, 163);
    font-weight: bold;
    width: 20%;
}

.about_text_left ul li span {
    font-size: 14px;
    line-height: 19.6px;
    color: #5a5a5a;
    display: block;
    width: 80%;
}

.about_text_right {
    width: 30%;
    position: relative;
}

.about_text_right_one {
    height: 500px;
}

.about_text_right_one img {
    width: 400px;
    height: 500px;
}

.about_text_right_zhe {
    width: 90px;
    height: 500px;
    background-color: rgb(31, 91, 163);
    position: absolute;
    top: 0px;
    right: 0;
    z-index: 90;
}

.about_text_right_zhe_text {
    writing-mode: vertical-rl;
    color: #fff;
    position: absolute;
    bottom: 40px;
    left: 20px;
    letter-spacing: 5px;
}

.about_text_right_img {
    position: absolute;
    top: 20px;
    right: -25px;
    z-index: 99;
}

/* 产品 */
.product_list {
    display: flex;
    justify-content: space-between;
    padding: 40px 0;
}

.product_list_right {
    width: 84%;
}

.product_list_left {
    width: 14%;
}

.product_list_left_item {
    width: 100%;
    color: #666666;
}

/* 应用 */
.news_list {
    padding: 60px 0;
}

.news_list_li {
    padding: 10px 0;
    border-bottom: 1px solid #e2e2e2;
}

.news_list_li h6 a {
    font-size: 16px;
    color: #434343;
    font-weight: bold;
    text-decoration: none;
    line-height: 140%;
}

.news_list_li span {
    display: block;
    font-size: 12px;
    color: #929292;
    line-height: 140%;
    padding: 7px 0;
}

.news_list_li p {
    font-size: 14px;
    color: #5A5A5A;
}

.news_list_li h6 a:hover {
    color: rgb(31, 91, 163);
}

/*  */
.news_details {
    padding: 60px 0;
}

.news_details_title {
    text-align: center;
}

.news_details_title h6 {
    font-size: 16px;
    color: #1f5ba3;
    font-weight: bold
}

.news_details_message {
    margin-top: 15px;
}

.news_details_message span {
    font-size: 12px;
    color: #5A5A5A;
    margin: 0 35px;
}

.news_details_text {
    font-size: 12px;
    color: #868686;
    line-height: 12px;
    background: #F5F5F5;
    border-style: solid solid solid solid;
    border-color: #E5E5E5 #E5E5E5 #E5E5E5 #E5E5E5;
    border-width: 1px 1px 1px 1px;
    padding: 3px 0;
    margin-top: 20px;
    text-indent: 53px;
}

.news_details_content {
    font-family: Microsoft YaHei;
    font-size: 14px;
    color: #5A5A5A;
    font-weight: normal;
    line-height: 30px;
    margin: 30px;
}

.page {
    margin-top: 10px;
}

.up a,
.below a {
    font-size: 12px;
    color: #444;
    line-height: 25px;
}

.page_item .up:hover a,
.page_item .below:hover a {
    color: rgb(31, 91, 163);
}

/* 技术服务 */
.serve {
    display: flex;
    justify-content: space-between;
    padding: 60px 0;
}

.serve_ul {
    width: 85%;
}

.serve_li {
    display: flex;
    border-bottom: 1px solid #e2e2e2;
    padding: 10px 0;
    margin-top: 20px;
}

.serve_li_left {
    width: 12%;
    text-align: center;
}

.serve_li_left h6 {
    color: #1f5ba3;
    font-size: 26px;
}

.serve_li_left p {
    color: #1f5ba3;
    font-size: 14px;
    padding: 5px 0;
}

.serve_li_right {
    width: 92%;
}

.serve_li_right h6 a {
    font-size: 16px;
    color: #434343;
    font-weight: bold;
    line-height: 30px;
}

.serve_li_right a:hover {
    color: #1f5ba3;
}

.serve_li_right p {
    font-size: 14px;
    color: #666666;

}

.serve_zhe {
    width: 8%;
    background-color: rgb(31, 91, 163);
    height: 500px;
    position: relative;
}

.serve_zhe_text {
    writing-mode: vertical-rl;
    color: #fff;
    position: absolute;
    bottom: 20px;
    left: 20px;
    letter-spacing: 5px;
}

.serve_zhe_img {
    position: absolute;
    top: 30px;
    left: 65px;
}

/*  */
.contact_us_item {
    padding: 60px 0;
    display: flex;
    justify-content: space-between;
}

.contact_us_left {
    width: 85%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact_us_left h6 {
    font-family: 微软雅黑;
    font-size: 24px;
    color: rgb(31, 91, 163);
    padding: 20px 0;
}

.contact_us_left_isx {
    display: flex;
    justify-content: space-between;
}

.contact_us_left_isx_div {
    padding: 10px 25px 10px 0;
    font-size: 16px;
    font-family: 微软雅黑;
    color: rgb(67, 67, 67);
}

/* .contact_us_left_isx_div:nth-child(1) {
    border-right: 1px solid #d3d2d2;
} */

.contact_us_left_isx_div:nth-child(2) {
    margin-left: 20px;
}

.contact_us_left_isx_div div {
    line-height: 40px;
}

.contact_us_right {
    width: 8%;
    background-color: rgb(31, 91, 163);
    height: 500px;
    position: relative;
}

.contact_us_right_text {
    writing-mode: vertical-rl;
    color: #fff;
    position: absolute;
    bottom: 20px;
    left: 20px;
    letter-spacing: 5px;
}

.contact_us_right_img {
    position: absolute;
    top: 30px;
    left: 60px;
}

/* 留言 */
.contact_us_item_form {
    width: 75%;
    font-size: 14px;
    color: #666;
}

.contact_us_item_form div input {
    width: 90%;
}

.contact_us_item_form div textarea {
    width: 90%;
}

.contact_us_item_form div input {
    height: 42px;
}

.textarea1 {
    display: flex;

}

.contact_us_item_form div {
    margin-top: 20px;
}

.btn {
    width: 160px;
    height: 50px;
    line-height: 50px;
    background-color: #1f5ba3;
    color: #fff;
    border: none;
    margin-top: 20px;
    margin-left: 42px;
}

table {
    border-right: 1px solid #ffffff;
    /* display: none; */
}

table thead tr th {
    background: rgb(31, 91, 163);
    padding: 20px 5px;
    border-left: 1px solid #fff;
    vertical-align: middle;
    font-weight: bold;
    color: #ffffff;
}

table tbody tr td {
    text-align: center;
    vertical-align: middle;
    padding: 13px 15px;
    font-size: 14px;
    color: #707070;
    border-left: 1px solid #ffffff;
    border-bottom: 1px solid #ffffff;
}

table tbody tr td a {
    color: #333;
}

table tbody tr td a:hover {
    color: rgb(31, 91, 163);
}

.td1,

.td5 {
    width: 125px;
}

.td4,
.td3 {
    width: 90px;
}


.td10,
.td7 {
    width: 90px;
}

.td6,
.td8,
.td9 {
    width: 70px;
}

.td2 {
    width: 30px;
}


table tbody tr:nth-child(odd) {
    background: #CFD5EA;
}

table tbody tr:nth-child(even) {
    background: #E9EBF5;
}

.text_li {
    width: 100%;
    height: 50px;
    display: flex;
    align-items: center;
    border-bottom: #666666 1px dashed;
    cursor: pointer;
}

.text_span {
    margin-left: 10px;
}

.three {
    color: rgb(31, 91, 163);
}

.move_img {
    display: none;
}

@media screen and (max-width:768px) {
    .auto {
        width: 100% !important;
    }

    .move_img {
        display: block;
    }

    .move_img {
        background: #1f5ba3;
    }

    .nva_logo {
        width: 100%;
    }

    .nva_item {
        padding: 10px 0;
    }

    .nva_logo_title h6 {
        font-size: 32px
    }

    .nva_logo_tow {
        width: 100%;
        display: flex;
        justify-content: space-around;
    }

    .document {
        display: none !important;

    }

    .nva_list {
        position: absolute;
        top: 100px;
        left: 0;
        z-index: 99;
        background: #1f5ba3;
        width: 100%;
        display: none;
    }

    .nva_list_li .nva_list_a {
        padding: 20px 0;
        color: #fff;
        border-bottom: 1px solid #ffffff;
    }

    .nva_list_li {
        margin-right: 0;
        text-align: center;
    }

    .one {
        color: #fff !important;
        border-bottom: 1px solid #fff !important;
    }

    .nva_list_ul {
        flex-direction: column;
    }

    .index_lead_div_two p,
    .nva_logo_p {
        display: none;
    }

    .index_product_item,
    .index_About_us_content {
        flex-direction: column;
    }



    .banner {
        height: 200px;
    }

    .banner_title {
        text-align: center;
        top: 40%;
    }

    .banner_title h6 {
        font-size: 22px;
        font-weight: bold;
        line-height: 30px
    }

    .banner_title p {
        width: 300px;
        font-size: 14px;
    }

    .index_lead {
        margin-top: 40px;
    }

    .index_lead_title h6,
    .index_About_us_title h6,
    .index_product_title h6,
    .index_lead_title h6 {
        font-weight: bold;
    }

    .index_lead_title p,
    .index_About_us_title p,
    .index_product_title p {
        font-size: 16px;
    }

    .index_lead_div_one {
        width: 50px;
        height: 50px;
    }

    .index_lead_div_one img {
        width: 100%;
    }

    .index_lead_div_two h6 {
        font-size: 13px;
    }

    .index_lead_list_ul {
        justify-content: space-around;
    }

    .index_product_list_ul {
        display: flex;
        flex-wrap: wrap;
    }

    .receipt {
        background: none;
    }

    .index_product_list {
        width: 100%;
    }

    .index_product_zhe {
        background: #ffffff;
    }

    .index_product_list1 {
        border-left: 5px solid #ffffff;
    }

    .index_product_list_li {
        background: rgba(31, 91, 163, 1);
        text-indent: 0px;
        width: 115px;
        height: 40px;
        margin-bottom: 5px;
        margin-left: 5px;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 14px;
    }

    .index_product_list {
        color: #000;
    }

    .index_About_us_zhe {
        display: none;
    }

    .index_About_us_img {
        display: none;
    }

    .index_About_us_content_left,
    .index_About_us_content_right {
        width: 94%;
        margin: auto;
    }

    .index_About_us_content_right {
        margin-top: 20px;
    }

    .index_About_us_content_right_a a {
        margin-left: 45px;
    }

    .buttom_text {
        width: 94%;
        margin: auto;
    }

    .index_product_content {
        width: 94%;
        margin: auto;
    }

    .about_footer_left {
        display: none;
    }

    .banner_two {
        height: 200px;
    }

    .banner_two img {
        height: 100%;
    }

    .banner_two_text {
        width: 270px;
    }

    .about_footer_right ul li a {
        padding: 20px 32px;
    }

    .about_page_rigth {
        display: none;
    }

    .about_page_left {
        width: 94%;
        margin: auto;
    }

    .about_text {
        flex-direction: column;
    }

    .about_text_left {
        width: 94%;
        margin: auto;
    }

    .about_text {
        padding: 15px 0;
    }

    .about_text_left ul li {
        margin-top: 30px;
    }

    .about_text_right {
        width: 100%;
        margin-top: 20px;
    }

    .about_text_right_one {
        height: 300px;
    }

    .about_text_right_zhe,
    .about_text_right_img {
        display: none;
    }

    .data_axle_left,
    .data_axle_right {
        width: 40%;
    }

    .news_list_ul {
        width: 94%;
        margin: auto;
    }

    .news_details_text {
        width: 94%;
        margin: auto;
        text-indent: 0;
    }

    .news_details_message span {
        margin: 0 55px;
    }

    .serve_zhe {
        display: none;
    }

    .serve_ul {
        width: 94%;
        margin: auto;
    }

    .serve {
        padding: 25px 0;
    }

    .contact_us_right {
        display: none;
    }

    .contact_us_left {
        width: 94%;
        margin: auto;
    }

    .contact_us_left_isx {
        flex-direction: column;
        width: 100%;
    }

    .contact_us_left_isx_div:nth-child(2) {
        margin-left: 0;
    }

    .contact_us_item_form {
        width: 94%;
        margin: auto;
    }

    .textarea1 {
        display: flex;
        flex-direction: column;
    }

    .contact_us_item_form div input {
        height: 38px;
    }

    .product_list {
        flex-direction: column;
    }

    .product_list_left {
        width: 94%;
        margin: auto;
    }

    .text_li {
        width: 48%;
        font-size: 14px;
        border-bottom: 1px solid #fff;
        text-indent: 15px;
    }

    .product_list_right {
        width: 94%;
        margin: 20px;
    }

    .product_list_right {
        overflow-x: scroll;
    }

    .three {
        color: #fff;
        background: rgb(31, 91, 163);
    }

}