@media screen and (max-width: 750px) and (min-width: 320px) {
  .mw {
    width: 92%;
    max-width: 1440px;
    margin: 0 auto;
  }
  header {
    background: #02388B;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
  }
  header .worp {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
		padding: 1rem;
  }
  header .worp .logo {
    color: #fff;
  	width: 20%;
  }
  header .worp .logo img{
  	width: 100%;
  }
  header .worp nav {
    display: none;
  }
  header .worp nav .a_list {
    display: flex;
    margin-left: 2.5rem;
  }
  header .worp nav .a_list:first-child {
    margin-left: 0;
  }
  header .worp nav .a_list > a {
    font-size: 1rem;
    color: #fff;
    position: relative;
    height: 5rem;
    line-height: 5rem;
  }
  header .worp nav .a_list > a::before {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 0;
    width: 0;
    height: 1px;
    transition: all 0.36s;
    background: #fff;
  }
  header .worp nav .a_list > a:hover::before {
    width: 100%;
    transition: width 0.2s;
  }
  header .down_box {
    display: none;
  }
  header .down {
    width: 100%;
    background: rgba(204, 204, 204, 0.5);
    position: fixed;
    left: 0;
    top: 5rem;
    z-index: 100;
    padding: 2.25rem 0;
    padding-bottom: 6.25rem;
    overflow: hidden;
    /* display: none; */
  }
  header .down .left {
    float: left;
    /* width: 15%; */
    display: flex;
    flex-direction: column;
    padding: 0 2.5rem;
    border-right: 1px solid #ccc;
  }
  header .down .left h3 {
    color: #3200e6;
    line-height: 2.5;
    font-size: 1rem;
  }
  header .down .left > a {
    font-size: 1rem;
    padding-left: 0;
    line-height: 2.5;
  }
  header .down .right {
    float: left;
    padding: 0 2.5rem;
  }
  header .down .right h3 {
    color: #3200e6;
    line-height: 2.5;
    font-size: 1rem;
  }
  header .down .right p {
    line-height: 2.5;
    font-size: 1rem;
    color: #333;
    padding-left: 1.875rem;
  }
  header .down .guanzhu {
    position: absolute;
    right: 2.5rem;
    bottom: 0;
  }
  header .down .guanzhu p {
    line-height: 1;
    font-size: 1rem;
    color: #333;
  }
  header .down .guanzhu img {
    width: 2.5rem;
    height: 2.5rem;
  }
  footer {
    background: #575757;
    padding: 2rem 0;
  }
	.media_menu{
		width: 2rem;
	}
	.media_menu svg{
		width: 100%;
		height: auto;
	}
	.media_menu_down{
		width: 100%;
		height: calc(100vh - 4.25rem);	
		background: #fff;
		position: fixed;
		top: 4.25rem;
		left: 0;
		display: none;
		justify-content: space-around;
		flex-direction: column;
		align-items: center;
		padding: 3rem 0;
	}
	.media_menu_down > a{
		font-size: 1.5rem;
	}
  footer .worp {
    display: flex;
    justify-content: space-between;
  }
  footer .worp .list {
    display: flex;
    flex-direction: column;
    color: #fff;
    font-size: 1.125rem;
  }
	footer .worp .list:last-child{
		display: none;
	}
  footer .worp .list img{
  	width: 30%;
  }
  footer .worp .list h3 {
    margin-bottom: 1rem;
  }
  footer .worp .list a {
    color: #fff;
    font-size: 0.875rem;
    line-height: 2.5;
  }
  .about {
    margin-top: 4.2rem;
  }
  .about .worp {
    background: rgba(87, 87, 87, 0.05);
    display: block;
  }
  .about .worp .left {
    width: 100%;
    padding-top: 0.9375rem;
  }
  .about .worp .left .f_act {
    color: #3200e6;
  }
  .about .worp .left .f_act svg {
    display: block!important;
    position: absolute;
    left: 7%;
    top: 50%;
    transform: translateY(-50%);
  }
  .about .worp .left .s_act {
    color: #3200e6;
  }
  .about .worp .left .s_act svg {
    display: block!important;
    position: absolute;
    left: 13%;
    top: 50%;
    transform: translateY(-50%);
  }
  .about .worp .left a {
    line-height: 2.5;
    transition: color 0.36s;
    position: relative;
  }
  .about .worp .left a:hover {
    color: #3200e6;
    transition: color 0.36s;
  }
  .about .worp .left a svg {
    width: auto;
    height: 1.125rem;
    display: none;
  }
  .about .worp .left .list {
    display: flex;
    flex-direction: column;
  }
  .about .worp .right {
    width: 100%;
    background: #fff;
    padding-top: 1.9375rem;
    display: flex;
  }
  .about .worp .right .main1 {
    width: 100%;
    padding: 0 .8rem;
  }
  .about .worp .right .main1 h3 {
    font-size: 1.8rem!important;
    color: #3200e6;
    margin-bottom: 2rem!important;
  }
  .about .worp .right .main1 .p {
    font-size: 0.875rem;
    margin-bottom: 2.5rem;
    line-height: 1.8;
  }
  .about .worp .right .main1 .img_arr {
    display: flex;
    flex-wrap: wrap;
  }
  .about .worp .right .main1 .img_arr a {
    width: calc(33.333% - calc(2 / 3 * 16px));
    margin-right: 16px;
    margin-bottom: 5rem;
  }
  .about .worp .right .main1 .img_arr a:nth-child(3n) {
    margin-right: 0;
  }
  .about .worp .right .main1 .img_arr a:hover .img_box img {
    -webkit-filter: grayscale(0);
    -moz-filter: grayscale(0);
    -ms-filter: grayscale(0);
    -o-filter: grayscale(0);
    filter: grayscale(0);
    transition: all 0.4s;
  }
  .about .worp .right .main1 .img_arr a:hover .img_box span {
    opacity: 1;
    transition: all 0.4s;
  }
  .about .worp .right .main1 .img_arr a .img_box {
    width: 100%;
    position: relative;
  }
  .about .worp .right .main1 .img_arr a .img_box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    -webkit-filter: grayscale(100%) brightness(1) contrast(0.5);
    -moz-filter: grayscale(100%) brightness(1) contrast(0.5);
    -ms-filter: grayscale(100%) brightness(1) contrast(0.5);
    -o-filter: grayscale(100%) brightness(1) contrast(0.5);
    filter: grayscale(100%) brightness(1) contrast(0.5);
    -webkit-filter: grey opacity(0.5);
    transition: all 0.4s;
    filter: grey opacity(0.5);
  }
  .about .worp .right .main1 .img_arr a .img_box span {
    color: #fff;
    font-size: 1.125rem;
    position: absolute;
    bottom: 12px;
    left: 12px;
    opacity: 0;
    transition: all 0.4s;
  }
  .about .worp .right .main1 .img_arr a p {
    font-size: 1rem;
    margin-top: 12px;
  }
  .about .worp .right .main2 {
    width: 30%;
		display: none;
  }
  .about .worp .right .main2 img {
    width: 100%;
    height: auto;
  }
  .about .f_a {
    font-size: 1.5rem;
    font-weight: bold;
    padding-left: 3.75rem;
    position: relative;
  }
  .about .s_a {
    font-size: 1.2rem;
    padding-left: 5.625rem;
    position: relative;
  }
  .sharing {
    margin-top: 3.125rem;
  }
  .sharing .main1 h3 {
    font-size: 2.5rem;
    text-align: center;
  }
  .sharing .main2 {
    background: #e9e9e9;
    margin: 3.75rem 0;
  }
  .sharing .main2 .worps {
    display: block;
    padding: 2rem 0;
  }
  .sharing .main2 .worps .left {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .sharing .main2 .worps .left h3 {
    font-size: 2.5rem;
    color: #3200e6;
    margin-bottom: 2rem;
  }
  .sharing .main2 .worps .left a {
    padding: 8px 2rem;
    border: 1px solid #3200e6;
    border-radius: 4px;
    font-size: 1.125rem;
    color: #3200e6;
  }
  .sharing .main2 .worps .right {
    display: flex;
    width: 100%;
		margin-top: 2rem;
		padding-left: 0
  }
  .sharing .main2 .worps .right a {
    width: calc(33.333% - calc(2 / 3 * 12px));
    margin-right: 12px;
  }
  .sharing .main2 .worps .right a:last-child {
    margin-right: 0;
  }
  .sharing .main2 .worps .right a img {
    width: 100%;
    height: 9.125rem;
    object-fit: cover;
  }
  .sharing .main2 .worps .right a .text_worp {
    background: #fff;
    padding: 1rem;
  }
  .sharing .main2 .worps .right a .text_worp p {
    font-size: 0.875rem;
    line-height: 1.6;
    height: auto;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
  }
  .sharing .main3 {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    padding-right: 0rem;
    padding-top: 3.125rem;
  }
  .sharing .main3 .list {
    display: flex;
    justify-content: flex-end;
    position: relative;
    margin-bottom: 5rem;
  }
  .sharing .main3 .list h3 {
    font-size: 1rem;
    color: #3200e6;
    position: absolute;
    left: 0%;
    top: 50%;
    transform: translateY(-50%);
  }
  .sharing .main3 .list h4 {
    font-size: 1.875rem;
    color: #3200e6;
    position: absolute;
    right: 0%;
    top: 50%;
    transform: translateY(-50%);
  }
  .sharing .main3 .worpss {
    width: 100%;
    background: #e9e9e9;
    padding: 1rem 1.875rem;
    display: flex;
    align-items: center;
  }
  .sharing .main3 .worpss img {
    width: 3.75rem;
    height: 3.75rem;
    margin: 0 3.125rem;
  }
  .sharing .main3 .worps {
    width: 100%;
    background: #e9e9e9;
    padding: 1.875rem 1.875rem 1.875rem 6.25rem;
    display: flex;
    align-items: center;
  }
  .sharing .main3 .worps p {
    font-size: 1rem;
    margin-right: 1.25rem;
  }
  .sharing .main3 .worps .call {
    width: 10.5rem;
    height: 2.5rem;
		font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #3200e6;
    color: #fff;
    border-radius: 4px;
  }
  #swiper1 {
    margin-top: 5rem;
  }
  #swiper1 .slide {
    min-height: 16rem;
  }
  #swiper1 .left {
    width: 30%;
    height: 12.5rem;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
  }
  #swiper1 .left img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  #swiper1 .right {
    position: absolute;
    right: 0;
    top: 0;
    width: 78%;
    z-index: 1;
  }
  #swiper1 .right .headLine {
    font-size: 1.125rem;
    padding: 1.25rem 0 1.25rem 1.25rem;
    margin-left: 2.125rem;
    width: 65%;
  }
  #swiper1 .right .worps {
    background: #e9e9e9;
    min-height: 12.5rem;
    padding-left: 9.375rem;
    padding-right: 2.5rem;
    padding-top: 1.875rem;
  }
  #swiper1 .right .worps .p {
    font-size: 1.125rem;
    line-height: 1.8;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
  }
  #swiper1 .right .worps a {
    display: inline-block;
    color: #3200e6;
    font-size: 1.125rem;
    margin-top: 1rem;
  }
  #swiper1 .btn_worp {
    width: 6.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: absolute;
    right: 0;
    top: 1.25rem;
    z-index: 3;
  }
  #swiper1 .btn_worp svg {
    width: 1.875rem;
    height: auto;
  }
  .about_info h4 {
    font-size: 1.125rem;
    color: #3200e6;
    margin-bottom: 10px;
  }
  .about_info span {
    font-size: 0.875rem;
    margin-bottom: 1.875rem;
    display: inline-block;
    line-height: 1.6;
  }
  .plan_info1 .a_worp {
    border-bottom: 2px solid rgba(87, 87, 87, 0.5);
    padding: 2.125rem;
  }
  .plan_info1 .a_worp a {
    font-size: 1.125rem;
    color: #3200e6;
  }
  .plan_banner {
    width: 100%;
    height: 31.25rem;
    background: #e9e9e9;
    margin: 5rem 0;
    position: relative;
  }
  .plan_banner .text_worp {
    width: 40%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 20%;
    font-size: 1rem;
  }
  .case {
    margin-top: 5rem;
  }
  .case_main1 {
    position: relative;
  }
  .case_main1 .worp {
    height: 23.125rem;
  }
  .case_main1 .worp h3 {
    font-size: 2.625rem;
    color: #3200e6;
    padding-top: 4.75rem;
  }
  .case_main1 .worp p {
    font-size: 0.875rem;
    line-height: 1.8;
    width: 60%;
    margin-top: 4rem;
  }
  .case_main1 img {
    width: 21.875rem;
    height: 23.125rem;
    object-fit: cover;
    position: absolute;
    top: 0;
    right: 0;
		display: none;
  }
  .case_main2 {
    background: #f2f2f2;
    padding-top: 3.625rem;
    padding-bottom: 1.875rem;
  }
  .case_main2 .worp .headLine {
    font-size: 1.6875rem;
    margin-bottom: 2.5rem;
  }
  .case_main2 .worp .a_worp {
    display: flex;
    justify-content: space-between;
  }
  .case_main2 .worp .a_worp a {
    width: 48%;
  }
  .case_main2 .worp .a_worp a img {
    width: 100%;
    height: 15.625rem;
    object-fit: cover;
  }
  .case_main2 .worp .a_worp a .text_worp {
    background: #fff;
    padding: 1.25rem 1.875rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    height: 11.25rem;
  }
  .case_main2 .worp .a_worp a .title {
    font-size: 1.125rem;
    color: #3200e6;
  }
  .case_main2 .worp .a_worp a p {
    font-size: 0.875rem;
    font-style: italic;
    margin-top: 2.125rem;
    margin-bottom: 1.25rem;
    line-height: 1.8;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .case_main3 {
    padding: 3.125rem 0;
  }
  .case_main3 .top {
    display: flex;
    /* justify-content: space-between; */
  }
  .case_main3 .top a {
  	display: block;
  	width: 23%;
  	margin-right: 16%;
  }
  .case_main3 .top a:nth-child(3n){
  	margin-right: 0;
  }
  .case_main3 .top a img {
    width: 100%;
    height: 11.25rem;
    object-fit: cover;
  }
  .case_main3 .top a .text_worp {
    background: #fff;
    padding: 1.25rem 1.875rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    height: 5rem;
  }
  .case_main3 .top a .title {
    font-size: 0.875rem;
  }
  .case_main3 .bot {
    text-align: center;
    margin-top: 6.25rem;
  }
  .case_main3 .bot a {
    padding: 8px 2rem;
    border-radius: 4px;
    border: 1px solid #3200e6;
    font-size: 1rem;
    color: #3200e6;
  }
  .case_info1 {
    padding: 3.125rem 0;
  }
  .case_info1 .headLine {
    font-size: 2.1875rem;
    color: #3200e6;
    text-align: center;
    margin-bottom: 3.125rem;
  }
  .case_info1 .top {
    display: flex;
    flex-wrap: wrap;
		justify-content: space-between;
  }
  .case_info1 .top a {
    width: calc(50% - calc(1 / 2 * 22px));
    margin-right: 0px;
    margin-bottom: 22px;
  }
  .case_info1 .top a:nth-child(3n) {
    margin-right: 0;
  }
	.case_info2 .open p img{
		width: 100%!important;
		height: auto!important;
	}
  .case_info1 .top a img {
    width: 100%;
    height: 11.25rem;
    object-fit: cover;
  }
  .case_info1 .top a .text_worp {
    background: #fff;
    padding: 1.25rem 1.875rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    height: 5rem;
  }
  .case_info1 .top a .title {
    font-size: 0.875rem;
  }
  .case_info1 .bot {
    text-align: center;
    margin-top: 6.25rem;
  }
  .case_info1 .bot a {
    padding: 8px 2rem;
    border-radius: 4px;
    border: 1px solid #3200e6;
    font-size: 1rem;
    color: #3200e6;
  }
  .case_info2 {
    margin-top: 5rem;
    overflow: hidden;
    padding-top: 6.25rem;
  }
  .case_info2 .img_box {
    float: right;
    width: 40%;
    margin-left: 1.25rem;
    margin-bottom: 1.25rem;
  }
  .case_info2 .img_box img {
    width: 100%;
    height: auto;
  }
  .case_info2 .headLine {
    font-size: 2.5rem;
    margin-bottom: 2.5rem;
  }
  .case_info2 .open p {
    font-size: 1rem;
    margin-bottom: 1.25rem;
    line-height: 1.8;
  }
  .contact {
    margin-top: 5rem;
  }
  .contact .banner {
    position: relative;
    width: 100%;
    height: 37.5rem;
    padding-bottom: 2.875rem;
    margin-bottom: 3.75rem;
  }
  .contact .banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .contact .banner .text_worp {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    text-align: center;
  }
  .contact .banner .text_worp h3 {
    font-size: 2.5rem;
    margin-bottom: 1.875rem;
  }
  .contact .banner .text_worp p {
    font-size: 1.25rem;
  }
  .contact .banner .worp {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: space-between;
  }
  .contact .banner .worp .list {
    width: 22%;
    background: #fff;
    padding: 1.875rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  }
  .contact .banner .worp .list h4 {
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 1.25rem;
  }
  .contact .banner .worp .list p {
    font-size: 1rem;
    line-height: 1.8;
  }
  .contact .info {
    padding-bottom: 3.125rem;
  }
  .contact .info .title {
    font-size: 1.75rem;
    font-weight: bold;
    margin-bottom: 1.875rem;
  }
  .contact .info h3 {
    font-size: 1rem;
    margin: 1.25rem 0;
    color: #3200e6;
  }
  .contact .info h4 {
    font-size: 0.875rem;
    font-weight: bold;
    margin-bottom: 0.875rem;
  }
  .contact .info p {
    font-size: 0.875rem;
    line-height: 1.8;
    margin-bottom: 10px;
  }
}