/* banner */

.banner .banner-con {
    position: absolute;
    top: 50% !important;
    left: 27% !important;
    transform: translate(-50%, -50%);
    /* text-align: center; */
}

.banner-con h3::before {
    content: "";
    display: block;
    margin: 50px 0;
    width: 600px;
    height: 2px;
    background: #000000;
    opacity: 0.3;
    border-radius: 1px;
}

.banner-con h3 {
    margin: 0 0 40px 0;
}

.banner-con h3,
.banner-con h4 {
    font-weight: 500;
}

.banner-con img {
    display: block;
    width: 60% !important;
}


/* video */

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

.video_box {
    position: relative;
}

.video_textbox {
    position: absolute;
    top: 0;
    display: flex;
    width: 100%;
    height: 100%;
}

.video_textbox .l,
.video_textbox .r {
    width: 50%;
}

.video_textbox .l {
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.video_textbox .l img {
    display: block;
    width: 10%;
}

.video_textbox .l:hover img {
    transform: scale(1.1);
    transition: 0.6s;
}

.video_textbox .r .top .title_P {
    display: block;
    width: 50%;
}

.video_textbox .r .top {
    position: relative;
}

.video_textbox .r .top .border_p {
    position: absolute;
    top: 60%;
    right: 50%;
    width: 10%;
}

.video_textbox .r {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    padding: 0 0 0 10%;
}

.video_textbox .r .top p {
    margin: 30px 0;
}

.video_textbox .r .bottom p:first-child {
    margin: 0 0 30px 0;
}

.pop_up_windows {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    /* width: 80%; */
    padding: 50px;
    background-color: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(5px);
    border-radius: 20px;
    text-align: center;
    display: none;
}

.pop_up_windows video {
    display: block;
    width: 100%;
}

.close {
    position: absolute;
    top: 1%;
    right: 3%;
    cursor: pointer;
    font-size: 50px;
}


/* four_unit */

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

.four_box li {
    position: relative;
    width: 48%;
    overflow: hidden;
}

.four_box li img {
    display: block;
    width: 100%;
}

.four_box li:hover img {
    transform: scale(1.1);
    transition: 0.6s;
}

.four_text {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 60%;
    text-align: center;
    color: #fff;
}

.four_text p {
    margin: 50px 0 0 0;
    color: #fff;
}

.four_box li:nth-child(1),
.four_box li:nth-child(2) {
    margin: 0 0 60px 0;
}

.four_unit {
    margin: 20px 0 0 0;
}


/* 产品展示 */

.product_display .title h4::before {
    content: "";
    display: inline-block;
    margin: 0 20px 0 0;
    width: 10%;
    height: 1px;
    background-color: #000;
}

.product_display .title h4::after {
    content: "";
    display: inline-block;
    margin: 0 0 0 20px;
    width: 10%;
    height: 1px;
    background-color: #000;
}

.product_display .title h4 {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product_display_box {
    margin: 180px 0 100px 0;
}

.three_unit {
    display: flex;
    justify-content: space-around;
    margin: 80px 0 660px 0;
}

.three_unit li {
    padding: 20px 40px;
    border-radius: 50px;
    font-size: 26px;
    cursor: pointer;
}

.titem:hover {
    color: #fff;
    background: #A41B29;
    transition: 0.6s;
}

.product_list {
    display: flex;
    justify-content: space-between;
    margin: 80px 0 60px 0;
}

.product_list li {
    width: 20%;
    border: 1px solid #3333;
    background: rgba(255, 255, 255, 0);
    border-radius: 20px;
}

.product_list li a {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 0;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
}

.product_list li img {
    max-width: 100%;
    height: auto;
}

.product_list li:hover {
    box-shadow: 10px 30px 30px rgb(0, 0, 0, 0.6);
}

.titem_content div a {
    display: block;
    margin: 0 auto;
    padding: 20px 55px;
    width: 10%;
    border: 1px solid rgba(0, 0, 0, 0.6);
    border-radius: 50px;
    text-align: center;
}

.titem_content div a:hover {
    color: #A41B29;
    border: 1px solid #A41B29;
    transition: 0.6s;
}

.titem_content {
    position: absolute;
    top: 235px;
    right: -300%;
    transition: all 0.9s;
    width: 100%;
}

.product_display {
    position: relative;
}


/* about_us */

.aboutus_p {
    display: block;
    width: 100%;
}

.about_us_box {
    position: relative;
}

.about_us_text {
    position: absolute;
    top: 0;
    display: flex;
    justify-content: space-between;
    padding: 10% 0;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
}

.about_us_text .l {
    display: flex;
    flex-direction: column;
    padding: 0 0 0 10%;
    width: 50%;
}

.about_us_text .l h4 {
    color: #fff;
    font-weight: bold;
    text-shadow: 5px 5px 5px #000000;
}


/* .about_us_text .l img:first-child {
  display: block;
  width: 25%;
} */

.about_us_text .l {
    display: block;
    width: 75%;
}

.about_us_text .r {
    padding: 0 10% 0 0;
    width: 50%;
    /* height: 100%; */
}

.about_us_text .r img {
    width: 50%;
}

.about_us_text .r a {
    color: #A41B29;
}

.r_textbox {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 10% 11%;
    height: 100%;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    border-radius: 20px;
    box-sizing: border-box;
}

.r_textbox a .fa {
    margin: 0 0 0 20px;
}


/* evaluate */

.swiper-containerevaluate {
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: 40px;
    box-shadow: 0px 0px 30px rgb(0, 0, 0, 0.6);
}

.evaluate_title img {
    display: block;
    margin: 0 auto;
    width: 35%;
}

.evaluate_title h4 {
    line-height: 5px;
}

.evaluate_title {
    text-align: center;
}

.evaluate .banner {
    margin: 80px 0 0 0;
}

.evaluate .banner .swiper-slide {
    display: flex;
    justify-content: space-between;
    padding: 110px;
    box-sizing: border-box;
}

.evaluate .banner .swiper-slide .l {
    width: 15%;
}

.evaluate .banner .swiper-slide .r {
    width: 80%;
}

.evaluate_box {
    padding: 100px 0;
}

.evaluate .banner .swiper-slide .l .top ul {
    display: flex;
    justify-content: space-between;
}

.evaluate .banner .swiper-slide .l .top ul li {
    width: 49%;
    height: 180px;
    background-color: #fff;
}

.evaluate .banner .swiper-slide .l .top ul li a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}

.evaluate .banner .swiper-slide .l .top ul li a img {
    display: block;
    width: 100%;
    height: auto;
}

.evaluate .banner .swiper-slide .l .bottom a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}

.evaluate .banner .swiper-slide .l .bottom a img {
    display: block;
    width: 100%;
    height: 100%;
}

.evaluate .banner .swiper-slide .l .bottom a {
    display: block;
    margin: 20px 0 0 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
}

.evaluate .banner .swiper-slide .r {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 40px 0;
    box-sizing: border-box;
}

.evaluate .banner .swiper-slide .r .r_time {
    display: flex;
}

.evaluate .banner .swiper-slide .r .r_time p:nth-child(1) {
    margin: 0 40px 0 0;
}

.evaluate .banner {
    position: relative;
}

.evaluate .banner .swiper-button-prev,
.evaluate .banner .swiper-button-next {
    top: 45% !important;
    width: 80px;
    height: 80px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 50px;
}

.evaluate .banner .swiper-button-prev {
    left: -100px !important;
}

.evaluate .banner .swiper-button-next {
    right: -100px !important;
}

.evaluate .banner .swiper-button-prev:hover,
.evaluate .banner .swiper-button-next:hover {
    background-color: #A41B29;
    transition: all 0.6s;
}


/* 服务案例 */

.service_case_title h4 {
    line-height: 5px;
}

.service_case_title img {
    display: block;
    width: 25%;
    margin: 0 0 0 100px;
}

.service_case_box {
    padding: 100px 0;
    background-image: url(../image/index/case-back\ \(2\).png);
    background-position: center center;
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

.service_case_content {
    margin: 60px 0 0 0;
    background-color: #333;
    border-radius: 30px;
}

.service_case_content {
    position: relative;
    display: flex;
    padding: 80px;
    box-sizing: border-box;
}

.service_case_content .l ul li {
    display: flex;
    align-items: center;
    margin: 0 0 22px 0;
    color: #fff;
    cursor: pointer;
}

.service_case_content .l ul li::before {
    content: "";
    display: block;
    margin: 0 20px 0 0;
    width: 4px;
    height: 4px;
    background-color: #fff;
}

.service_case_content .l ul li:hover::before {
    width: 30px;
    height: 4px;
    background: #A41B29;
    border-radius: 2px;
    transition: 0.6s;
}

.service_case_content .l ul li:last-child {
    margin: 0;
}

.service_case_content .l ul {
    width: 40%;
    max-height: 434px;
    overflow-x: hidden;
}

.service_case_content .r {
    padding: 100px;
    background-color: #fff;
    box-sizing: border-box;
    border-radius: 30px;
}

.service_case_content .r .case_name {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.service_case_content .r .case_name a {
    color: #A41B29;
}

.case_content span {
    display: block;
    margin: 15px 0;
}

.service_case_content .r .p_box img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
}

.service_case_content .l {
    display: flex;
    justify-content: space-between;
    width: 40%;
}

.service_case_content .l a {
    display: flex;
    align-items: flex-end;
    color: #fff;
}

.service_case_content .r {
    position: absolute;
    top: -17%;
    right: 5%;
    width: 50%;
    /*height: 100%;*/
}

.case_content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}


/*滚动条样式*/

.casecontent_box::-webkit-scrollbar {
    width: 4px;
    /*height: 4px;*/
}

.casecontent_box::-webkit-scrollbar-thumb {
    border-radius: 10px;
    -webkit-box-shadow: inset 0 0 5px rgba(255, 255, 255, 0.8);
    background: rgba(0, 0, 0, 0.2);
}

.casecontent_box::-webkit-scrollbar-track {
    -webkit-box-shadow: inset 0 0 5px rgba(255, 255, 255, 0.2);
    border-radius: 0;
    background: rgba(0, 0, 0, 0.1);
}

.case_content {
    display: none;
}


/* news */

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

.news_box {
    /* padding: 120px 0;*/
}

.news_title .l img {
    display: block;
    width: 100%;
}

.news_title a {
    padding: 20px 55px;
    border: 1px solid #000000;
    border-radius: 50px;
}

.bannernews .swiper-slide ul {
    display: flex;
    justify-content: space-between;
    margin: 80px 0 0 0;
}

.bannernews .swiper-slide ul li {
    width: 20%;
    overflow: hidden;
}

.bannernews .swiper-slide ul li a .news_p {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 223px;
}

.bannernews .swiper-slide ul li a div img {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: 40px;
}

.bannernews .swiper-slide ul li a p {
    display: block;
    margin: 35px 0 0 0;
    padding: 0 30px;
    box-sizing: border-box;
}

.bannernewstwo .swiper-slide ul {
    display: flex;
    justify-content: space-between;
    margin: 80px 0 0 0;
}

.bannernewstwo .swiper-slide ul li {
    width: 20%;
    overflow: hidden;
}

.bannernewstwo .swiper-slide ul li a div img {
    display: block;
    width: 100%;
    border-radius: 40px;
}

.bannernewstwo .swiper-slide ul li a p {
    display: block;
    margin: 35px 0 0 0;
    padding: 0 30px;
    box-sizing: border-box;
}

.news_p {
    position: relative;
}

.shade {
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    top: -100%;
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: 40px;
}

.shade .p_box {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border: 1px solid #FFFFFF;
    border-radius: 50%;
}

.shade .p_box img {
    display: block;
    width: 10% !important;
}

.bannernews .swiper-slide ul li a:hover .shade {
    top: 0;
    transition: all 0.6s;
}

.bannernews .swiper-slide ul li a:hover p {
    color: #A41B29;
    transition: all 0.6s;
}

.bannernewstwo .swiper-slide ul li a:hover .shade {
    top: 0;
    transition: all 0.6s;
}

.bannernewstwo .swiper-slide ul li a:hover p {
    color: #A41B29;
    transition: all 0.6s;
}

.swiper-containernews {
    overflow: hidden;
}

.paping {
    margin: 90px 0 0 0;
}

.paping span:nth-child(1) {
    color: #A41B29;
}

.bannernews {
    position: relative;
}

.bannernews .swiper-button-prev,
.bannernews .swiper-button-next {
    top: 93% !important;
    width: 80px;
    height: 80px;
    border-radius: 50px;
    border: 1px solid #000;
    color: #000 !important;
    font-size: 30px;
}

.bannernews .swiper-button-next {
    right: 0 !important;
}

.bannernews .swiper-button-prev:hover,
.bannernews .swiper-button-next:hover {
    background-color: #A41B29;
    border: 1px solid #A41B29;
    transition: all 0.6s;
}

.bannernews .swiper-button-prev:hover .fa,
.bannernews .swiper-button-next:hover .fa {
    color: #fff;
    transition: all 0.6s;
}

.bannernews .line {
    position: absolute;
    /* bottom: 3%; */
    width: 60%;
    height: 1px;
    background-color: #0A2F66;
    opacity: 0.2;
    left: 50%;
    top: 96%;
    transform: translate(-60%, -50%);
}

.bannernewstwo {
    position: relative;
}

.bannernewstwo .swiper-button-prev,
.bannernewstwo .swiper-button-next {
    top: 93% !important;
    width: 80px;
    height: 80px;
    border-radius: 50px;
    border: 1px solid #000;
    color: #000 !important;
    font-size: 30px;
}

.bannernewstwo .swiper-button-next {
    right: 0 !important;
}

.bannernewstwo .swiper-button-prev:hover,
.bannernewstwo .swiper-button-next:hover {
    background-color: #A41B29;
    border: 1px solid #A41B29;
    transition: all 0.6s;
}

.bannernewstwo .swiper-button-prev:hover .fa,
.bannernewstwo .swiper-button-next:hover .fa {
    color: #fff;
    transition: all 0.6s;
}

.bannernewstwo .line {
    position: absolute;
    /* bottom: 3%; */
    width: 60%;
    height: 1px;
    background-color: #0A2F66;
    opacity: 0.2;
    left: 50%;
    top: 96%;
    transform: translate(-60%, -50%);
}


/* circle */

.bubble {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    box-shadow: inset 0 0 25px rgb(255 255 255 / .25);
    -webkit-animation: animate 8s ease-in-out infinite;
    animation: animate 8s ease-in-out infinite;
}

.bubble:nth-child(2) {
    position: relative;
    zoom: 0.45;
    left: -10px;
    top: -120px;
    -webkit-animation-delay: -4s;
    animation-delay: -4s;
}

.bubble:nth-child(3) {
    position: relative;
    zoom: 0.24;
    right: -81px;
    top: -300px;
    -webkit-animation-delay: -6s;
    animation-delay: -6s;
}

.bubble:nth-child(4) {
    position: relative;
    zoom: 0.35;
    left: -120px;
    bottom: -200px;
    -webkit-animation-delay: -2.4s;
    animation-delay: -2.4s;
}

.bubble:nth-child(5) {
    position: relative;
    zoom: 0.5;
    left: 0;
    top: 168px;
    -webkit-animation-delay: -5s;
    animation-delay: -5s;
}

@-webkit-keyframes animate {
    0%,
    100% {
        transform: translateY(-8%);
    }
    50% {
        transform: translateY(8%);
    }
}

@keyframes animate {
    0%,
    100% {
        transform: translateY(-8%);
    }
    50% {
        transform: translateY(8%);
    }
}

.bubble::before {
    content: "";
    position: absolute;
    inset: 50px auto auto 45px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: #fff;
    z-index: 8;
    filter: blur(2px);
}

.bubble::after {
    content: "";
    position: absolute;
    inset: 80px auto auto 80px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #fff;
    z-index: 8;
    filter: blur(2px);
}

.bubble span {
    position: absolute;
    border-radius: 50%;
}

.bubble span:nth-child(1) {
    inset: 10px;
    border-left: 15px solid #ccc;
    filter: blur(8px);
}

.bubble span:nth-child(2) {
    inset: 10px;
    border-right: 15px solid #d3d3d3;
    filter: blur(8px);
}

.bubble span:nth-child(3) {
    inset: 20px;
    border-top: 15px solid #8b8b8b;
    filter: blur(8px);
}

.bubble span:nth-child(4) {
    inset: 30px;
    border-left: 15px solid rgb(216, 216, 216);
    filter: blur(12px);
}

.bubble span:nth-child(5) {
    inset: 10px;
    border-bottom: 10px solid rgb(204, 204, 204);
    filter: blur(8px);
    transform: rotate(-30deg);
}

.four_unit {
    position: relative;
}

.circle {
    position: absolute;
    left: 90%;
    top: 60%;
    transform: translate(-50%, -50%);
    z-index: -1;
}

.circletwo {
    position: absolute;
    right: 90%;
    top: 90%;
    transform: translate(-50%, -50%);
    z-index: -1;
}

.indexbannerdw {
    position: absolute;
    top: 45%;
    right: 20%;
}

.swiper-button-prev,
.swiper-container-rtl .swiper-button-next {
    top: 100px !important;
}

.bannernewstwo {
    display: none;
}


/*.foot_content .m {*/


/*  margin: 20px 0 0 0;*/


/*}*/

@media screen and (max-width: 1680px) {
    .bannernews .swiper-slide ul li a .news_p {
        height: 202px;
    }
    /* banenr */
    .banner-con h3 {
        font-size: 40px !important;
    }
    .banner-con img {
        width: 55% !important;
    }
    .banner-con h4 {
        font-size: 22px !important;
    }
    .banner .banner-con {
        left: 29% !important;
    }
    /* video */
    .video_textbox .r .top p {
        margin: 25px 0;
        font-size: 28px;
    }
    .video_textbox .r .top h4 {
        font-size: 36px;
    }
    .video_textbox .r .bottom p:first-child {
        font-size: 28px;
        margin: 0 0 25px 0;
    }
    .video_textbox .r .bottom p {
        font-size: 28px;
    }
    /* four_unit */
    .four_text h4 {
        font-size: 24px;
    }
    .four_text p {
        margin: 45px 0 0 0;
    }
    /* product display */
    .product_display_box {
        margin: 150px 0 100px 0;
    }
    .product_display .title h4 {
        font-size: 36px;
    }
    .three_unit {
        margin: 75px 0 600px 0;
    }
    .product_list {
        margin: 70px 0 50px 0;
    }
    .three_unit li {
        padding: 15px 30px;
        font-size: 24px;
    }
    .titem_content div a {
        padding: 15px 30px;
        font-size: 20px;
    }
    .product_list li a {
        padding: 30px 0;
    }
    /* about_us */
    .r_textbox h4 {
        font-size: 32px;
    }
    .r_textbox p {
        font-size: 20px;
    }
    .about_us_text .r a {
        font-size: 20px;
    }
    /* 行业评价 */
    .evaluate_box {
        padding: 90px 0;
    }
    .evaluate_title h4 {
        font-size: 36px;
    }
    .evaluate .banner .swiper-slide {
        padding: 100px;
    }
    .evaluate .banner .swiper-slide .r h4 {
        font-size: 24px;
    }
    .evaluate .banner .swiper-slide .r .r_time {
        font-size: 18px;
    }
    .evaluate .banner .swiper-slide .r span {
        font-size: 18px;
    }
    .evaluate .banner .swiper-slide .l .bottom a {
        margin: 10px 0 0 0;
    }
    .evaluate .banner .swiper-button-prev,
    .evaluate .banner .swiper-button-next {
        width: 70px;
        height: 70px;
    }
    .evaluate .banner {
        margin: 70px 0 0 0;
    }
    /* case */
    .service_case_title h4 {
        font-size: 36px;
    }
    .service_case_content .l ul {
        font-size: 18px;
    }
    .service_case_content .l a {
        font-size: 18px;
    }
    .case_name h4 {
        font-size: 28px;
    }
    .service_case_content .r .case_name a {
        font-size: 18px;
    }
    .case_content span {
        font-size: 18px;
    }
    .service_case_content {
        margin: 50px 0 0 0;
        padding: 70px;
    }
    .service_case_content .r {
        padding: 90px;
    }
    .service_case_box {
        padding: 90px 0;
    }
    /* news */
    .news_box {
        padding: 110px 0;
    }
    .news_title .l h4 {
        font-size: 36px;
    }
    .news_title a {
        font-size: 28px;
    }
    .bannernews .swiper-slide ul {
        margin: 70px 0 0 0;
    }
    .bannernews .swiper-slide ul li a p {
        margin: 30px 0 0 0;
    }
    .paping {
        margin: 80px 0 0 0;
        font-size: 24px;
    }
    .bannernews .swiper-button-prev,
    .bannernews .swiper-button-next {
        width: 70px;
        height: 70px;
    }
    .bannernewstwo .swiper-slide ul {
        margin: 70px 0 0 0;
    }
    .bannernewstwo .swiper-slide ul li a p {
        margin: 30px 0 0 0;
    }
    .paping {
        margin: 80px 0 0 0;
        font-size: 24px;
    }
    .bannernewstwo .swiper-button-prev,
    .bannernewstwo .swiper-button-next {
        width: 70px;
        height: 70px;
    }
    .about_us_text .l h4 {
        font-size: 32px;
    }
}

@media screen and (max-width: 1600px) {
    .bannernews .swiper-slide ul li a .news_p {
        height: 192px;
    }
    /* banenr */
    .banner-con h3 {
        font-size: 36px !important;
    }
    .banner-con img {
        width: 50% !important;
    }
    .banner-con h4 {
        font-size: 20px !important;
    }
    .banner .banner-con {
        left: 30% !important;
    }
    .banner-con h3::before {
        margin: 40px 0;
    }
    .banner-con h3 {
        margin: 0 0 30px 0;
    }
    .indexbannerdw {
        top: 40%;
    }
    /* video */
    .video_textbox .r .top p {
        margin: 25px 0;
        font-size: 26px;
    }
    .video_textbox .r .top h4 {
        font-size: 32px;
    }
    .video_textbox .r .bottom p:first-child {
        font-size: 26px;
        margin: 0 0 25px 0;
    }
    .video_textbox .r .bottom p {
        font-size: 26px;
    }
    /* four_unit */
    .four_text h4 {
        font-size: 22px;
    }
    .four_text p {
        margin: 40px 0 0 0;
    }
    .four_box li:nth-child(1),
    .four_box li:nth-child(2) {
        margin: 0 0 55px 0;
    }
    /* product display */
    .product_display_box {
        margin: 120px 0 50px 0;
    }
    .product_display .title h4 {
        font-size: 32px;
    }
    .three_unit {
        margin: 65px 0 580px 0;
    }
    .product_list {
        margin: 60px 0 45px 0;
    }
    .three_unit li {
        padding: 15px 25px;
        font-size: 22px;
    }
    .titem_content div a {
        padding: 15px 25px;
        font-size: 18px;
    }
    .product_list li a {
        padding: 25px 0;
    }
    .titem_content {
        top: 200px;
    }
    /* 行业评价 */
    .evaluate_box {
        padding: 80px 0;
    }
    .evaluate_title h4 {
        font-size: 32px;
    }
    .evaluate .banner .swiper-slide {
        padding: 90px;
    }
    .evaluate .banner .swiper-slide .r h4 {
        font-size: 22px;
    }
    .evaluate .banner .swiper-slide .r .r_time {
        font-size: 16px;
    }
    .evaluate .banner .swiper-slide .r span {
        font-size: 16px;
    }
    .evaluate .banner .swiper-slide .l .bottom a {
        margin: 10px 0 0 0;
    }
    .evaluate .banner .swiper-button-prev,
    .evaluate .banner .swiper-button-next {
        width: 70px;
        height: 70px;
    }
    .evaluate .banner {
        margin: 60px 0 0 0;
    }
    /* case */
    .service_case_title h4 {
        font-size: 32px;
    }
    .service_case_content .l ul {
        font-size: 16px;
    }
    .service_case_content .l a {
        font-size: 16px;
    }
    .case_name h4 {
        font-size: 26px;
    }
    .service_case_content .r .case_name a {
        font-size: 16px;
    }
    .case_content span {
        font-size: 16px;
    }
    .service_case_content {
        margin: 40px 0 0 0;
        padding: 60px;
    }
    .service_case_content .r {
        padding: 80px;
    }
    .service_case_box {
        padding: 80px 0;
    }
    /* news */
    .news_box {
        padding: 100px 0;
    }
    .news_title .l h4 {
        font-size: 32px;
    }
    .news_title a {
        font-size: 26px;
    }
    .bannernews .swiper-slide ul {
        margin: 60px 0 0 0;
    }
    .bannernews .swiper-slide ul li a p {
        margin: 25px 0 0 0;
    }
    .paping {
        margin: 70px 0 0 0;
        font-size: 22px;
    }
    .bannernews .swiper-button-prev {
        left: -100px !important;
    }
    .bannernews .swiper-button-next {
        right: -100px !important;
    }
    .bannernews .swiper-button-prev,
    .bannernews .swiper-button-next {
        width: 60px;
        height: 60px;
    }
    .bannernewstwo .swiper-slide ul {
        margin: 60px 0 0 0;
    }
    .bannernewstwo .swiper-slide ul li a p {
        margin: 25px 0 0 0;
    }
    .paping {
        margin: 70px 0 0 0;
        font-size: 22px;
    }
    .bannernewstwo .swiper-button-prev {
        left: -100px !important;
    }
    .bannernewstwo .swiper-button-next {
        right: -100px !important;
    }
    .bannernewstwo .swiper-button-prev,
    .bannernewstwo .swiper-button-next {
        width: 60px;
        height: 60px;
    }
    .about_us_text .l h4 {
        font-size: 30px;
    }
}

@media screen and (max-width: 1440px) {
    .bannernews .swiper-slide ul li a .news_p {
        height: 173px;
    }
    /* banenr */
    .banner-con h3 {
        font-size: 32px !important;
    }
    .banner-con img {
        width: 45% !important;
    }
    .banner-con h4 {
        font-size: 18px !important;
    }
    .banner .banner-con {
        left: 32% !important;
    }
    #banner .swiper-button-prev,
    #banner .swiper-button-next {
        width: 70px !important;
        height: 70px !important;
    }
    /* video */
    .video_textbox .r .top p {
        margin: 25px 0;
        font-size: 24px;
    }
    .video_textbox .r .top h4 {
        font-size: 28px;
    }
    .video_textbox .r .bottom p:first-child {
        font-size: 24px;
        margin: 0 0 25px 0;
    }
    .video_textbox .r .bottom p {
        font-size: 24px;
    }
    .close {
        top: 0;
    }
    /* four_unit */
    .four_text h4 {
        font-size: 20px;
    }
    .four_text p {
        margin: 35px 0 0 0;
        font-size: 18px;
    }
    .four_box li:nth-child(1),
    .four_box li:nth-child(2) {
        margin: 0 0 50px 0;
    }
    /* product display */
    .product_display_box {
        margin: 100px 0 0 0;
    }
    .product_display .title h4 {
        font-size: 28px;
    }
    .three_unit {
        margin: 60px 0 550px 0;
    }
    .product_list {
        margin: 55px 0 40px 0;
    }
    .three_unit li {
        padding: 15px 20px;
        font-size: 20px;
    }
    .titem_content div a {
        padding: 15px 20px;
        font-size: 16px;
    }
    .product_list li a {
        padding: 20px 0;
    }
    .titem_content {
        top: 180px;
    }
    /* about_us */
    .r_textbox h4 {
        font-size: 28px;
    }
    .r_textbox p {
        font-size: 18px;
    }
    .about_us_text .r a {
        font-size: 18px;
    }
    /* 行业评价 */
    .evaluate_box {
        padding: 70px 0;
    }
    .evaluate_title h4 {
        font-size: 28px;
    }
    .evaluate .banner .swiper-slide {
        padding: 80px;
    }
    .evaluate .banner .swiper-slide .r h4 {
        font-size: 20px;
    }
    .evaluate .banner .swiper-slide .r .r_time {
        font-size: 14px;
    }
    .evaluate .banner .swiper-slide .r span {
        font-size: 14px;
    }
    .evaluate .banner .swiper-slide .l .bottom a {
        margin: 10px 0 0 0;
    }
    .evaluate .banner .swiper-button-prev,
    .evaluate .banner .swiper-button-next {
        width: 60px;
        height: 60px;
    }
    .evaluate .banner .swiper-slide .r {
        padding: 35px 0;
    }
    .evaluate .banner {
        margin: 50px 0 0 0;
    }
    /* case */
    .service_case_title h4 {
        font-size: 28px;
    }
    .service_case_content .l ul {
        font-size: 14px;
    }
    .service_case_content .l a {
        font-size: 14px;
    }
    .case_name h4 {
        font-size: 24px;
    }
    .service_case_content .r .case_name a {
        font-size: 14px;
    }
    .case_content span {
        font-size: 14px;
    }
    .service_case_content {
        margin: 30px 0 0 0;
        padding: 50px;
    }
    .service_case_content .r {
        padding: 70px;
    }
    .service_case_box {
        padding: 70px 0;
    }
    /* news */
    .news_box {
        padding: 90px 0;
    }
    .news_title .l h4 {
        font-size: 28px;
    }
    .news_title a {
        font-size: 24px;
    }
    .bannernews .swiper-slide ul {
        margin: 50px 0 0 0;
    }
    .bannernews .swiper-slide ul li a p {
        margin: 20px 0 0 0;
    }
    .paping {
        margin: 60px 0 0 0;
        font-size: 20px;
    }
    .bannernews .swiper-button-prev,
    .bannernews .swiper-button-next {
        width: 50px;
        height: 50px;
    }
    .bannernewstwo .swiper-slide ul {
        margin: 50px 0 0 0;
    }
    .bannernewstwo .swiper-slide ul li a p {
        margin: 20px 0 0 0;
    }
    .paping {
        margin: 60px 0 0 0;
        font-size: 20px;
    }
    .bannernewstwo .swiper-button-prev,
    .bannernewstwo .swiper-button-next {
        width: 50px;
        height: 50px;
    }
    .news_title .l img {
        width: 80%;
    }
    .about_us_text .l h4 {
        font-size: 28px;
    }
}

@media screen and (max-width: 1366px) {
    .bannernews .swiper-slide ul li a .news_p {
        height: 164px;
    }
    /* banenr */
    .banner-con h3 {
        font-size: 28px !important;
    }
    .banner-con img {
        width: 40% !important;
    }
    .banner-con h4 {
        font-size: 16px !important;
    }
    .banner .banner-con {
        left: 35% !important;
    }
    /* video */
    .video_textbox .r .top p {
        margin: 25px 0;
        font-size: 22px;
    }
    .video_textbox .r .top h4 {
        font-size: 26px;
    }
    .video_textbox .r .bottom p:first-child {
        font-size: 22px;
        margin: 0 0 25px 0;
    }
    .video_textbox .r .bottom p {
        font-size: 22px;
    }
    .pop_up_windows {
        padding: 20px;
    }
    /* four_unit */
    .four_text h4 {
        font-size: 18px;
    }
    .four_text p {
        margin: 30px 0 0 0;
        font-size: 16px;
    }
    .four_box li:nth-child(1),
    .four_box li:nth-child(2) {
        margin: 0 0 45px 0;
    }
    /* product display */
    .product_display_box {
        margin: 90px 0 0 0;
    }
    .product_display .title h4 {
        font-size: 26px;
    }
    .three_unit {
        margin: 55px 0 500px 0;
    }
    .product_list {
        margin: 50px 0 35px 0;
    }
    .three_unit li {
        padding: 15px 15px;
        font-size: 18px;
    }
    .titem_content div a {
        padding: 15px 15px;
        font-size: 14px;
    }
    .product_list li a {
        padding: 15px 0;
    }
    .titem_content {
        top: 160px;
    }
    /* about_us */
    .r_textbox h4 {
        font-size: 26px;
    }
    .r_textbox p {
        font-size: 16px;
    }
    .about_us_text .r a {
        font-size: 16px;
    }
    /* 行业评价 */
    .evaluate_box {
        padding: 60px 0;
    }
    .evaluate_title h4 {
        font-size: 26px;
    }
    .evaluate .banner .swiper-slide {
        padding: 70px;
    }
    .evaluate .banner .swiper-slide .r h4 {
        font-size: 18px;
    }
    .evaluate .banner .swiper-slide .r .r_time {
        font-size: 14px;
    }
    .evaluate .banner .swiper-slide .r span {
        font-size: 14px;
    }
    .evaluate .banner .swiper-slide .l .bottom a {
        margin: 10px 0 0 0;
    }
    .evaluate .banner .swiper-button-prev,
    .evaluate .banner .swiper-button-next {
        width: 50px;
        height: 50px;
    }
    .evaluate .banner .swiper-slide .r {
        padding: 30px 0;
    }
    .evaluate .banner {
        margin: 40px 0 0 0;
    }
    /* case */
    .service_case_title h4 {
        font-size: 26px;
    }
    .service_case_content .l ul {
        font-size: 14px;
    }
    .service_case_content .l a {
        font-size: 14px;
    }
    .case_name h4 {
        font-size: 22px;
    }
    .service_case_content .r .case_name a {
        font-size: 14px;
    }
    .case_content span {
        font-size: 14px;
    }
    .service_case_content {
        margin: 20px 0 0 0;
        padding: 40px;
    }
    .service_case_content .r {
        padding: 60px;
    }
    .service_case_box {
        padding: 60px 0;
    }
    /* news */
    .news_box {
        padding: 80px 0;
    }
    .news_title .l h4 {
        font-size: 26px;
    }
    .news_title a {
        font-size: 22px;
    }
    .bannernews .swiper-slide ul {
        margin: 40px 0 0 0;
    }
    .bannernews .swiper-slide ul li a p {
        margin: 20px 0 0 0;
    }
    .paping {
        margin: 50px 0 0 0;
        font-size: 18px;
    }
    .bannernews .swiper-button-prev,
    .bannernews .swiper-button-next {
        width: 40px;
        height: 40px;
    }
    .bannernewstwo .swiper-slide ul {
        margin: 40px 0 0 0;
    }
    .bannernewstwo .swiper-slide ul li a p {
        margin: 20px 0 0 0;
    }
    .paping {
        margin: 50px 0 0 0;
        font-size: 18px;
    }
    .bannernewstwo .swiper-button-prev,
    .bannernewstwo .swiper-button-next {
        width: 40px;
        height: 40px;
    }
    .news_title .l img {
        width: 70%;
    }
    .about_us_text .l h4 {
        font-size: 26px;
    }
}

@media screen and (max-width: 1280px) {
    /*   .r_textbox p {*/
    /*       display: -webkit-box;*/
    /*-webkit-box-orient: vertical;*/
    /*-webkit-line-clamp: 7;*/
    /*overflow: hidden;*/
    /*   }*/
    .bannernews .swiper-slide ul li a .news_p {
        height: 154px;
    }
    /* banenr */
    .banner-con h3 {
        margin: 0 0 20px 0;
        font-size: 26px !important;
    }
    .banner-con img {
        width: 52% !important;
    }
    .banner-con h3::before {
        margin: 20px 0;
        width: 400px;
    }
    .banner .banner-con {
        left: 30% !important;
    }
    /* video */
    .video_textbox .r .top p {
        margin: 25px 0;
        font-size: 20px;
    }
    .video_textbox .r .top h4 {
        font-size: 24px;
    }
    .video_textbox .r .bottom p:first-child {
        font-size: 20px;
        margin: 0 0 25px 0;
    }
    .video_textbox .r .bottom p {
        font-size: 20px;
    }
    /* four_unit */
    .four_text h4 {
        font-size: 16px;
    }
    .four_text p {
        margin: 25px 0 0 0;
        font-size: 14px;
    }
    .four_box li:nth-child(1),
    .four_box li:nth-child(2) {
        margin: 0 0 40px 0;
    }
    /* product display */
    .product_display_box {
        margin: 85px 0 0 0;
    }
    .product_display .title h4 {
        font-size: 24px;
    }
    .three_unit {
        margin: 50px 0 450px 0;
    }
    .product_list {
        margin: 45px 0 30px 0;
    }
    .three_unit li {
        padding: 15px 15px;
        font-size: 16px;
    }
    .titem_content div a {
        padding: 15px 15px;
        font-size: 14px;
    }
    .product_list li a {
        padding: 15px 0;
    }
    .titem_content {
        top: 140px;
    }
    /* about_us */
    .r_textbox h4 {
        font-size: 24px;
    }
    .r_textbox p {
        font-size: 16px;
    }
    .about_us_text .r a {
        font-size: 16px;
    }
    /* 行业评价 */
    .evaluate_box {
        padding: 50px 0;
    }
    .evaluate_title h4 {
        font-size: 24px;
    }
    .evaluate .banner .swiper-slide {
        padding: 60px;
    }
    .evaluate .banner .swiper-slide .r h4 {
        font-size: 16px;
    }
    .evaluate .banner .swiper-slide .r .r_time {
        font-size: 14px;
    }
    .evaluate .banner .swiper-slide .r span {
        font-size: 14px;
    }
    .evaluate .banner .swiper-slide .l .bottom a {
        margin: 10px 0 0 0;
    }
    .evaluate .banner .swiper-button-prev,
    .evaluate .banner .swiper-button-next {
        width: 40px;
        height: 40px;
    }
    .evaluate .banner .swiper-slide .r {
        padding: 25px 0;
    }
    .evaluate .banner {
        margin: 30px 0 0 0;
    }
    /* case */
    .service_case_title h4 {
        font-size: 24px;
    }
    .case_name h4 {
        font-size: 20px;
    }
    .service_case_content {
        margin: 20px 0 0 0;
        padding: 30px;
    }
    .service_case_content .r {
        padding: 50px;
    }
    .service_case_box {
        padding: 50px 0;
    }
    /* news */
    .news_box {
        padding: 70px 0;
    }
    .news_title .l h4 {
        font-size: 24px;
    }
    .news_title a {
        font-size: 20px;
    }
    .bannernews .swiper-slide ul {
        margin: 30px 0 0 0;
    }
    .bannernews .swiper-slide ul li a p {
        margin: 20px 0 0 0;
    }
    .paping {
        margin: 40px 0 0 0;
        font-size: 16px;
    }
    .bannernews .swiper-button-prev,
    .bannernews .swiper-button-next {
        width: 30px;
        height: 30px;
    }
    .bannernewstwo .swiper-slide ul {
        margin: 30px 0 0 0;
    }
    .bannernewstwo .swiper-slide ul li a p {
        margin: 20px 0 0 0;
    }
    .paping {
        margin: 40px 0 0 0;
        font-size: 16px;
    }
    .bannernewstwo .swiper-button-prev,
    .bannernewstwo .swiper-button-next {
        width: 30px;
        height: 30px;
    }
    .news_title a {
        padding: 10px 20px;
    }
    .news_title .l img {
        width: 60%;
    }
    .about_us_text .l h4 {
        font-size: 24px;
    }
}

@media screen and (max-width: 1024px) {
    .bannernews .swiper-slide ul li a .news_p {
        height: 123px;
    }
    /* banenr */
    .banner-con h3 {
        margin: 0 0 20px 0;
        font-size: 24px !important;
    }
    .banner-con img {
        width: 50% !important;
    }
    .banner-con h3::before {
        margin: 20px 0;
        width: 400px;
    }
    .banner-con h4 {
        font-size: 14px !important;
    }
    #banner .swiper-button-prev,
    #banner .swiper-button-next {
        width: 60px !important;
        height: 60px !important;
    }
    /* video */
    .video_textbox .r .top p {
        margin: 25px 0;
        font-size: 18px;
    }
    .video_textbox .r .top h4 {
        font-size: 22px;
    }
    .video_textbox .r .bottom p:first-child {
        font-size: 18px;
        margin: 0 0 25px 0;
    }
    .video_textbox .r .bottom p {
        font-size: 18px;
    }
    /* four_unit */
    .four_text p {
        margin: 20px 0 0 0;
    }
    .four_box li:nth-child(1),
    .four_box li:nth-child(2) {
        margin: 0 0 35px 0;
    }
    /* product display */
    .product_display_box {
        margin: 80px 0 30px 0;
    }
    .product_display .title h4 {
        font-size: 22px;
    }
    .three_unit {
        margin: 45px 0 350px 0;
    }
    .product_list {
        margin: 40px 0 25px 0;
    }
    .three_unit li {
        padding: 15px 15px;
        font-size: 14px;
    }
    .titem_content div a {
        padding: 15px 15px;
        font-size: 14px;
    }
    .product_list li a {
        padding: 15px 0;
    }
    .titem_content {
        top: 120px;
    }
    /* about_us */
    .r_textbox h4 {
        font-size: 22px;
    }
    .r_textbox p {
        font-size: 14px;
    }
    .about_us_text .r a {
        font-size: 14px;
    }
    /* 行业评价 */
    .evaluate_box {
        padding: 40px 0;
    }
    .evaluate_title h4 {
        font-size: 22px;
    }
    .evaluate .banner .swiper-slide {
        padding: 50px;
    }
    .evaluate .banner .swiper-slide .r h4 {
        font-size: 16px;
    }
    .evaluate .banner .swiper-slide .r .r_time {
        font-size: 14px;
    }
    .evaluate .banner .swiper-slide .r span {
        font-size: 14px;
    }
    .evaluate .banner .swiper-slide .l .bottom a {
        margin: 10px 0 0 0;
    }
    .evaluate .banner .swiper-button-prev,
    .evaluate .banner .swiper-button-next {
        width: 40px;
        height: 40px;
    }
    .evaluate .banner .swiper-slide .r {
        padding: 20px 0;
    }
    .evaluate .banner .swiper-button-prev {
        left: -70px !important;
    }
    .evaluate .banner .swiper-button-next {
        right: -70px !important;
    }
    /* .evaluate .banner {
       margin: 20px 0 0 0;
     } */
    /* case */
    .service_case_title h4 {
        font-size: 22px;
    }
    .case_name h4 {
        font-size: 18px;
    }
    .service_case_content {
        margin: 20px 0 0 0;
        padding: 20px;
    }
    .service_case_content .r {
        padding: 40px;
    }
    .service_case_box {
        padding: 40px 0;
    }
    .service_case_content .l ul {
        max-height: 410px;
    }
    .service_case_content .r {
        top: -10%;
    }
    /* news */
    .news_box {
        padding: 60px 0;
    }
    .news_title .l h4 {
        font-size: 22px;
    }
    .news_title a {
        font-size: 18px;
    }
    .bannernews .swiper-slide ul {
        margin: 20px 0 0 0;
    }
    .bannernews .swiper-slide ul li a p {
        margin: 20px 0 0 0;
    }
    .paping {
        margin: 30px 0 0 0;
        font-size: 14px;
    }
    .bannernews .swiper-button-prev,
    .bannernews .swiper-button-next {
        width: 30px;
        height: 30px;
    }
    .news_title a {
        padding: 10px 15px;
    }
    .bannernews .swiper-button-prev {
        left: -80px !important;
    }
    .bannernews .swiper-button-next {
        right: -80px !important;
    }
    .bannernewstwo .swiper-slide ul {
        margin: 20px 0 0 0;
    }
    .bannernewstwo .swiper-slide ul li a p {
        margin: 20px 0 0 0;
    }
    .paping {
        margin: 30px 0 0 0;
        font-size: 14px;
    }
    .bannernewstwo .swiper-button-prev,
    .bannernewstwo .swiper-button-next {
        width: 30px;
        height: 30px;
    }
    .news_title a {
        padding: 10px 15px;
    }
    .bannernewstwo .swiper-button-prev {
        left: -80px !important;
    }
    .bannernewstwo .swiper-button-next {
        right: -80px !important;
    }
    .news_title .l img {
        width: 50%;
    }
    .about_us_text .l h4 {
        font-size: 22px;
    }
}

@media screen and (max-width: 980px) {
    /* banenr */
    .banner-con h3 {
        margin: 0 0 20px 0;
        font-size: 22px !important;
    }
    .banner-con img {
        width: 50% !important;
    }
    .banner-con h3::before {
        margin: 10px 0;
        width: 400px;
    }
    .banner-con h4 {
        font-size: 14px !important;
    }
    /* video */
    .video_textbox .r .top p {
        margin: 20px 0;
        font-size: 16px;
    }
    .video_textbox .r .top h4 {
        font-size: 20px;
    }
    .video_textbox .r .bottom p:first-child {
        font-size: 16px;
        margin: 0 0 20px 0;
    }
    .video_textbox .r .bottom p {
        font-size: 16px;
    }
    .pop_up_windows .close .fa {
        font-size: 30px;
    }
    .close {
        top: -7%;
    }
    /* four_unit */
    .four_text p {
        margin: 15px 0 0 0;
    }
    .four_box li:nth-child(1),
    .four_box li:nth-child(2) {
        margin: 0 0 30px 0;
    }
    /* product display */
    .product_display_box {
        margin: 70px 0 25px 0;
    }
    .product_display .title h4 {
        font-size: 20px;
    }
    .three_unit {
        margin: 40px 0 350px 0;
    }
    .product_list {
        margin: 40px 0 25px 0;
    }
    .three_unit li {
        padding: 15px 15px;
        font-size: 14px;
    }
    .titem_content div a {
        padding: 15px 15px;
        font-size: 14px;
    }
    .product_list li a {
        padding: 15px 0;
    }
    .titem_content {
        top: 240px;
    }
    /* about_us */
    .r_textbox h4 {
        font-size: 20px;
    }
    /* 行业评价 */
    .evaluate_box {
        padding: 30px 0;
    }
    .evaluate_title h4 {
        font-size: 20px;
    }
    .evaluate .banner .swiper-slide {
        padding: 40px;
    }
    .evaluate .banner .swiper-slide .r h4 {
        font-size: 16px;
    }
    .evaluate .banner .swiper-slide .r .r_time {
        font-size: 14px;
    }
    .evaluate .banner .swiper-slide .r span {
        font-size: 14px;
    }
    .evaluate .banner .swiper-slide .l .bottom a {
        margin: 10px 0 0 0;
    }
    .evaluate .banner .swiper-button-prev,
    .evaluate .banner .swiper-button-next {
        width: 40px;
        height: 40px;
    }
    .evaluate .banner .swiper-slide .r {
        padding: 20px 0;
    }
    /* case */
    .service_case_content .l {
        width: 50%;
        justify-content: space-around;
    }
    .service_case_title h4 {
        font-size: 20px;
    }
    .case_name h4 {
        font-size: 16px;
    }
    .service_case_content {
        margin: 20px 0 0 0;
        padding: 20px;
    }
    .service_case_content .r {
        padding: 30px;
    }
    .service_case_box {
        padding: 30px 0;
    }
    .service_case_content .l ul {
        max-height: 380px;
    }
    /* news */
    .news_box {
        padding: 50px 0;
    }
    .news_title .l h4 {
        font-size: 20px;
    }
    .news_title a {
        font-size: 16px;
    }
    .bannernews .swiper-slide ul {
        margin: 10px 0 0 0;
    }
    .bannernews .swiper-slide ul li a p {
        margin: 10px 0 0 0;
        padding: 0 10px;
    }
    .paping {
        margin: 20px 0 0 0;
        font-size: 14px;
    }
    .bannernews .swiper-button-prev,
    .bannernews .swiper-button-next {
        display: none;
    }
    .bannernewstwo .swiper-slide ul {
        margin: 10px 0 0 0;
    }
    .bannernewstwo .swiper-slide ul li a p {
        margin: 10px 0 0 0;
        padding: 0 10px;
    }
    .paping {
        margin: 20px 0 0 0;
        font-size: 14px;
    }
    .bannernewstwo .swiper-button-prev,
    .bannernewstwo .swiper-button-next {
        display: none;
    }
    .news_title a {
        padding: 10px 10px;
    }
    .service_case_content .l ul li:hover::before {
        width: 15px;
    }
    .about_us_text .l h4 {
        font-size: 20px;
    }
    .about_us_text .l img {
        display: none;
    }
    .three_unit li {
        /* display: flex; */
        /* align-items: center; */
        /* justify-content: center; */
        width: 100%;
        /* white-space: nowrap; */
        /* margin: 0 10px 0 0; */
    }
    .three_unit {
        flex-wrap: wrap;
        /* overflow-x: scroll; */
        /* width: 100%; */
    }
}

@media screen and (max-width: 768px) {
    .bannernewstwo .swiper-slide ul li a .news_p {
        height: 208px;
    }
    /* banenr */
    .banner .banner-con {
        left: 50% !important;
        top: 50% !important;
        transform: translate(-50%, -50%) !important;
        text-align: center !important;
    }
    .banner-con img {
        margin: 0 auto;
    }
    .banner-con h3 {
        margin: 0 0 0 0;
        font-size: 18px !important;
    }
    .banner-con img {
        width: 50% !important;
    }
    .banner-con h3::before {
        margin: 10px auto;
        width: 200px;
    }
    .banner-con h4 {
        font-size: 14px !important;
    }
    /* video */
    .video_textbox .r .top p {
        margin: 20px 0;
        font-size: 14px;
    }
    .video_textbox .r .top h4 {
        font-size: 16px;
    }
    .video_textbox .r .bottom p:first-child {
        font-size: 14px;
        margin: 0 0 20px 0;
    }
    .video_textbox .r .bottom p {
        font-size: 14px;
    }
    /* four_unit */
    .four_text p {
        margin: 10px 0 0 0;
        line-height: 1.3;
    }
    .four_box li {
        margin: 0 0 25px 0 !important;
    }
    .four_box li {
        width: 100%;
    }
    /* product display */
    /*.product_display_box {*/
    /*  margin: 30px 0 0 0;*/
    /*}*/
    .product_display .title h4 {
        font-size: 18px;
    }
    .three_unit {
        margin: 30px 0 300px 0;
    }
    .product_list {
        margin: 30px 0 20px 0;
    }
    .three_unit li {
        padding: 15px 15px;
        font-size: 14px;
    }
    .titem_content div a {
        padding: 15px 15px;
        font-size: 14px;
    }
    .product_list li a {
        padding: 15px 0;
    }
    /* .titem_content {
        top: 120px;
    } */
    .titem_content div a {
        width: 15%;
    }
    /* about_us */
    .r_textbox h4 {
        font-size: 16px;
    }
    .about_us_text .r img {
        display: none;
    }
    .about_us_text .l {
        width: 35%;
    }
    .about_us_text {
        padding: 5% 0;
    }
    .r_textbox p {
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 3;
        overflow: hidden;
    }
    .about_us_text .l {
        padding: 0 0 0 5%;
    }
    .about_us_text .r {
        padding: 0 5% 0 0;
        width: 60%;
    }
    .about_us_text .l img:nth-child(2) {
        display: none;
    }
    .about_us_text .l img:first-child {
        width: 45%;
    }
    .evaluate .banner .swiper-button-prev,
    .evaluate .banner .swiper-button-next {
        display: none;
    }
    /* .evaluate .banner .swiper-slide .l .bottom a {
    margin: 5px 0 0 0;
  } */
    .evaluate .banner .swiper-slide {
        flex-wrap: wrap;
    }
    .evaluate .banner .swiper-slide .l,
    .evaluate .banner .swiper-slide .r {
        width: 100%;
    }
    .evaluate .banner .swiper-slide {
        padding: 20px;
    }
    .case_content span {
        line-height: 1.3;
    }
    .service_case_content .r {
        padding: 20px 10px;
    }
    /* news */
    .news_box {
        padding: 40px 0;
    }
    .news_title .l h4 {
        font-size: 18px;
    }
    .news_title a {
        font-size: 14px;
    }
    .bannernews .swiper-slide ul {
        margin: 10px 0 0 0;
    }
    .bannernews .swiper-slide ul li a p {
        margin: 10px 0 0 0;
        padding: 0 10px;
    }
    .paping {
        margin: 20px 0 0 0;
        font-size: 14px;
    }
    .bannernews .swiper-button-prev,
    .bannernews .swiper-button-next {
        display: none;
    }
    .news_title a {
        padding: 10px 10px;
    }
    .bannernews .swiper-slide ul li a p {
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 3;
        overflow: hidden;
    }
    .bannernewstwo .swiper-slide ul li {
        width: 45%;
    }
    .bannernewstwo .swiper-slide ul {
        margin: 10px 0 0 0;
    }
    .bannernewstwo .swiper-slide ul li a p {
        margin: 10px 0 0 0;
        padding: 0 10px;
    }
    .paping {
        margin: 20px 0 0 0;
        font-size: 14px;
    }
    .bannernewstwo .swiper-button-prev,
    .bannernewstwo .swiper-button-next {
        display: none;
    }
    .news_title a {
        padding: 10px 10px;
    }
    .bannernewstwo .swiper-slide ul li a p {
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 3;
        overflow: hidden;
    }
    .bannernews {
        display: none;
    }
    .bannernewstwo {
        display: block;
    }
    .about_us_text .l h4 {
        font-size: 18px;
    }
}

@media screen and (max-width: 640px) {
    /* banenr */
    .banner .banner-con {
        top: 70% !important;
    }
    /* video */
    .video_textbox .r .top p {
        margin: 0;
        font-size: 14px;
    }
    .video_textbox .r .bottom p:first-child {
        font-size: 14px;
        margin: 0 0 0 0;
    }
    .video_textbox .r {
        justify-content: center;
        padding: 0 0 0 5%;
    }
    .video_textbox .r .top h4 {
        font-size: 14px;
    }
    .video_textbox .r .top .border_p {
        display: none;
    }
    .pop_up_windows .close .fa {
        font-size: 20px;
    }
    .close {
        top: -15%;
    }
    .four_box li {
        margin: 0 0 20px 0 !important;
    }
    /* product display */
    /*.product_display_box {*/
    /*  margin: 20px 0 0 0;*/
    /*}*/
    .product_display .title h4 {
        font-size: 16px;
    }
    .three_unit {
        margin: 20px 0 250px 0;
    }
    .product_list {
        margin: 20px 0 20px 0;
    }
    .three_unit li {
        padding: 15px 15px;
        font-size: 14px;
    }
    .titem_content div a {
        padding: 10px;
        font-size: 14px;
    }
    .product_list li a {
        padding: 10px 0;
    }
    .titem_content {
        top: 240px;
    }
    .titem_content div a {
        width: 20%;
    }
    /* case */
    .service_case_content .l {
        display: block;
        width: 95%;
    }
    .service_case_content .l a {
        margin: 20px 0 0 0;
    }
    .service_case_content .r {
        top: -5%;
    }
    .service_case_content .l ul li:hover::before {
        width: 10px;
    }
    .service_case_content .r .case_name a {
        font-size: 12px;
    }
    /* news */
    .news_box {
        padding: 30px 0;
    }
    .news_title .l h4 {
        font-size: 16px;
    }
    .shade {
        top: -200%;
    }
    .about_us_text .l h4 {
        font-size: 16px;
    }
}

@media screen and (max-width: 390px) {
    .close {
        top: -25%;
    }
    .four_box li {
        margin: 0 0 10px 0 !important;
    }
    .three_unit {
        margin: 20px 0 200px 0;
    }
}

.case_content .p_box {
    height: 300px;
}

.case_content .p_box img {
    display: block;
    max-height: 100%;
}