@media (max-width: 1400px) {
.box { width: 96% }
header .box { width: 96% }
nav { width: 76% }
}
@media screen and (min-width: 1200px) and (max-width: 1280px) {
#starlist li a { padding: 0 20px }
.box { width: 1000px }
.about i { width: 50%; }
.about i img { width: 100%; }
.pt_use li a { padding: 10px; }
.hezuo ul li img { width: 100% }
.pro_list li img { width: 100%; }
.side_left { width: 67% }
.side_right { width: 30% }
}
@media (max-width: 1199px) {
.btn_menu { width: 50px; height: 40px; background: url(../image/menu.png) no-repeat center; background-size: 32px; position: absolute; right: 0; top: 0; }
nav { display: none; }
#starlist li { width: 100%; text-align: left; position: inherit; }
ul#starlist { display: inherit; width: 100%; overflow: hidden; }
#starlist li a { display: block; position: initial; line-height: 46px; padding: 0; font-weight: bold; color: #2b2d30; border-bottom: 1px solid #F3F3F3; text-indent: 20px; }
.sub {opacity: 1;height: auto;position: initial;width: 100%;}
nav { height: auto !important; position: absolute; z-index: 9999; background: #fff; margin: 40px 0 0 0; width: 100%; }
#starlist li a:after { background: none; }
.sub a { font-weight: normal !important; float: left; color: #666 !important; padding: 8px 3px !important; background: #F3F3F3; border-radius: 3px; font-size: 13px; text-indent: 0em !important; width: 24%; text-align: center; margin: 10px 10px 5px 0; line-height: 23px !important; }
#starlist li .sub { margin: 0 0 0 20px; }
.open { position: relative; width: 100%; height: 100%; }
.open:after { content: ""; background: rgb(0, 0, 0, .5); width: 100%; height: 100%; position: absolute; z-index: 100; top: 118px; }
.sub dd a:hover { color: #fff !important; background: #00a742 !important; }
.logo img { height: 40px; margin: 0 0 0 10px; }
#starlist li dd { border: none }
a#selected, #starlist li a:hover { background: none; color: #00a742 }
.sub dd a#selected { background: #f3f3f3; }
header .box { width: 100% }
.tell { display: none }
.about i { width: 40%; }
.about i img { width: 100%; }
.p_nav { width: 17% }
.p_list li { width: 30% }
.p_list li i, .pro_list li img { width: 100% }
.swiper-button-next, .swiper-button-prev, .swiper-container-horizontal>.swiper-pagination-bullets, .swiper-pagination-custom, .swiper-pagination-fraction { display: none !important }
.pt_nav ul li h4 { font-size: 36px; }
h3.h_title { font-size: 24px; margin-bottom: 20px }
.about h4 { font-size: 24px }
.about h5, .h_p { font-size: 16px }
.about { margin-bottom: 40px }
.service h3.h_title { margin-bottom: 0 }
.service, .product, .hezuo { padding: 40px 0 }
.pt_use li a { padding: 10px; }
.pt_use li p { font-size: 15px; -webkit-line-clamp: inherit; }
.pt_use li span { margin: 20px; }
.pt_use li h3 { font-size: 20px; margin: 20px; }
.pt_nav { position: inherit; margin: 30px auto; padding: 30px 0; }
.side_left { width: 100% }
.side_right { display: none }
}
@media (max-width: 911px) {
.zx_tell, .news_date { display: none }
.p_nav li { font-size: 15px }
h3.h_title a { display: none }
.hezuo ul li { height: auto }
.hezuo ul li img { width: 100%; height: auto }
.btn a { padding: 0; width: 120px; text-align: center; }
.pro_list li a { margin: 10px }
.pro_nav li a { padding: 0 20px; border-radius: 4px; font-size: 15px }
 .pt_use li:hover{ transform:translateY(-5px)}
}
@media (max-width: 768px) {
.pt_nav ul li h4 { font-size: 24px; }
.pt_nav ul li p { font-size: 14px }
.pt_nav ul li { margin: 20px 0 }
.pt_use li p, .pt_use li h3, .pt_use li span { margin: 10px }
.p_list li p { font-size: 14px; padding: 0 10px }
.pro_list li p { line-height: 36px; font-size: 14px; padding: 0 10px }
.news_list ul li i { width: 36%; }
}
 @media (max-width: 640px) {
.pt_nav ul li h4 { font-size: 20px; }
.pt_nav ul li h4 sub, .pt_nav ul li h4 sup { font-size: 12px; }
.pt_nav ul li p { font-size: 12px; }
.pt_nav ul li { width: 48%; margin: 0 0 5px 0; }
.pt_nav ul { display: flex; flex-wrap: wrap; justify-content: space-between; padding: 20px 0 10px; }
.pt_nav ul li:nth-child(2) { border: none; }
.pt_nav { margin: 10px auto; }
h3.h_title { font-size: 22px; text-align: center; margin: 0; }
.about i { width: 100%; margin: 0 0 10px 0; }
.about h4 {font-size: 20px;}
.about h5, .h_p { font-size: 14px; }
.ab_info {font-size: 14px;line-height: 24px;}
.about a, .h_title a, .btn a { line-height: 30px; padding: 0 30px; font-size: 14px; display: block; width: 120px; text-align: center; margin: auto; }
.service, .product, .hezuo { padding: 20px 0; }
.h_p { text-align: center; }
.pt_use li { width: 100%; min-height: auto; }
ul.pt_use { display: flex; flex-wrap: wrap; margin: 20px auto 0; }
.pt_use li a { min-height: auto; }
.pt_use li p { font-size: 14px; line-height: 24px; }
.pt_use li h3 { font-size: 18px; }
.p_nav { width: 100%; }
.p_nav li { width: auto; margin: 5px 0; font-size: 12px; line-height: 36px; width: 32%; }
.p_nav li a { background: #888; padding: 0 10px; }
.p_nav ul { margin: 0 0 20px; padding: 0; display: flex; flex-wrap: wrap; justify-content: space-around; }
.p_list { width: 100%; }
.p_list li p { line-height: 30px; font-size: 12px; }
.news_left { width: 100%; }
.news { padding: 20px 0; }
ul#tab { margin: 10px 0; text-align: center; }
#tab li { margin: 0 10px; font-size: 14px; display: inline-block; }
.btn { display: none; }
div#tab-content { width: 100%; float: none; }
section.tab-box li a { padding: 10px; margin: 0; height: auto; }
section.tab-box li h5 { font-size: 15px; line-height: 20px; }
section.tab-box li p { font-size: 12px; line-height: 20px; }
section.tab-box ul li { margin: 20px 0 0; width: 100%; }
.news_date { display: block; margin-right: 20px; }
.news_date b { font-size: 18px; }
.news_date span { font-size: 12px; padding-bottom: 11px; }
.hezuo ul li { width: 23%; }
.side_nav {padding: 0;bottom: 0;width: 100%;top: inherit;border-radius: 0;box-shadow: none;display: none;}
.side_nav ul li { width: 60px; height: 60px; font-size: 12px; float: left; width: 25%; border-bottom: none; }
.side_nav li i { height: 47px; background-size: 30px; }
.side_nav li p { bottom: -15px; }
.side_nav ul li span img { width: 60px; }
footer { padding-bottom: 60px; }
.side_nav ul li span { bottom: 0; }
.side_nav ul li span font { padding-top: 13px; }
.side_nav ul li:hover span { height: 80px; }
.side_nav ul li:nth-child(2) span { background: none; }
.side_nav ul li span img { margin-left: 27px; margin-top: 2px; }
.side_nav li i { background-position: top 8px center; height: 40px; background-size: 28px; }
.side_nav ul li:nth-child(3) span { top: inherit; height: auto; bottom: 70px; left: -63px; }
.side_nav ul li span:before { right: inherit; bottom: -20px; width: 100%; height: 20px; left: 0; }
.side_nav ul li span:after { right: inherit; top: inherit; bottom: -28px; left: 84px; transform: rotate(90deg); }
.side_nav ul li:nth-child(2) span { background: #00a742; top: inherit; height: auto; bottom: 70px; left: -9px; padding: 5px; width: 100px; }
.side_nav ul li:nth-child(2) span img { width: 100px; margin: 0; }
.side_nav ul li:nth-child(2) span:after { width: 1px; height: 1px; top: inherit; bottom: -11px; left: 50%; }
.contact { float: none; width: 100%; clear: both; margin: 20px 0 0; }
.copyright { font-size: 12px; padding: 10px; line-height: 20px; text-align: center }
.ft_info { float: none }
.ft_nav { display: none; }
p.ft_zx { text-align: center; font-size: 13px; }
.ft_zx b { font-size: 20px; }
footer { padding: 30px 0 0px; border: none; }
.contact img { width: 100px; }
.page_a { padding: 15px 0; }
.about {margin-bottom: 0;}
.about.phno{ display:none}
.zizhi { padding: 20px 0; }
.zizhi ul li { width: 50%; }
.zizhi ul li:nth-child(n+3) { width: 33%; }
.weizhi { font-size: 12px; }
#starlist li { font-size: 15px }
.pro_list li { width: 50%; }
ul.pro_list { padding: 0 0 20px 0; }
.epages { font-size: 12px; margin: 20px 0; }
.pro_nav li a { font-size: 12px; padding: 0 10px; margin: 5px 2px; line-height: 30px; }
.pro_nav li { width: 30%; }
.pro_nav li a { display: block;padding: 0; }
.pro_nav { padding: 20px 0 10px; }
.pro_list li p { font-size: 12px; line-height: 30px; }
.news_list ul li i { width: 100%; float: none; margin: auto; height: auto; display: block; }
.news_list ul li section h3 { white-space: pre-line; line-height: 30px; font-size: 18px; margin: 10px 0; }
.news_list ul li section h3:before { display: none; }
.news_list ul li section p { font-size: 14px; line-height: 24px; margin: 0; }
.news_list ul li section span { display: none; }
.news_list ul li { margin-bottom: 20px; }
.ab_info p { margin: 10px 0 }
.lx_list ul li { width: 48%; margin-bottom: 10px; }
.lx_list ul { display: flex; flex-wrap: wrap; justify-content: space-between; }
.gb_info h3 { font-size: 20px; margin: 20px 0 10px; }
.gb_info p { font-size: 13px; }
.lx_list { margin: 20px 0; }
.lx_list ul p { font-size: 12px; }
.lx_list ul h4 { font-size: 15px; }
.content_box { padding: 10px; }
h1.c_title { font-size: 20px; }
.news_info { font-size: 12px; }
.news_info p { margin-right: 0; }
.news_content { font-size: 15px; line-height: 26px; }
.news_content p { margin: 15px 0; }
.news_next li { font-size: 14px; }
a.h_a_more { margin-bottom: 20px; }
.sub a {
    width: 27%;
}
}
 @media only screen and (max-width: 360px) {
.side_nav ul li:nth-child(3) span { left: -63px }
.side_nav ul li:nth-child(2) span { left: -15px; }
}