@charset "utf-8";

/* zidonghua 响应式布局 */

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

.w1200,
.w1300,
.showNews,
.aboutPage,
.news_ul,
.menu .list {
  width: 100%;
  max-width: 1200px;
  padding-left: 15px;
  padding-right: 15px;
}

/* 移动端导航按钮 */
.m-nav-toggle {
  display: none;
  position: absolute;
  right: 15px;
  top: 50%;
  width: 44px;
  height: 44px;
  margin-top: -22px;
  border: 1px solid #e5e5e5;
  border-radius: 4px;
  background: #fff;
  z-index: 120;
  cursor: pointer;
  text-decoration: none;
}

.m-nav-toggle span,
.m-nav-toggle::before,
.m-nav-toggle::after {
  content: "";
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2px;
  background: #333;
  transition: all .3s ease;
}

.m-nav-toggle span {
  top: 21px;
}

.m-nav-toggle::before {
  top: 14px;
}

.m-nav-toggle::after {
  top: 28px;
}

body.nav-open .m-nav-toggle span {
  opacity: 0;
}

body.nav-open .m-nav-toggle::before {
  top: 21px;
  transform: rotate(45deg);
}

body.nav-open .m-nav-toggle::after {
  top: 21px;
  transform: rotate(-45deg);
}

.nav-mask {
  display: none;
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, .45);
  z-index: 998;
}

body.nav-open {
  overflow: hidden;
}

body.nav-open .nav-mask {
  display: block;
}

/* <= 1199px 平板横屏 */
@media (max-width: 1199px) {
  #banner {
    min-width: 0;
  }

  #banner_main .banner1 {
    height: 520px;
    min-width: 0;
  }

  .banner1 li img {
    width: 100%;
    height: 520px;
    min-width: 0;
    left: 0;
    margin-left: 0;
    object-fit: cover;
  }

  #nav li {
    padding: 0 28px;
  }

  .prolist .item {
    width: calc(33.333% - 18px);
    margin-right: 27px;
  }

  .prolist .item:nth-child(3n) {
    margin-right: 0;
  }

  .prolist .item img,
  .prolist .item .bg {
    width: 100%;
  }

  .prolist .item .bg {
    left: -100%;
    top: 0;
    bottom: 64px;
    height: auto;
    padding-top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .n-gridlist .item {
    width: calc(33.333% - 20px);
  }

  .n-gridlist .item img {
    width: 100%;
    height: auto;
  }

  .relateNews .list li {
    width: calc(50% - 30px);
  }

  .relateNews .list li h3,
  .relateNews .list li .txt,
  .relateNews .list li .time {
    width: calc(100% - 155px);
  }

  .index .floor_1 .iproduct .list .item {
    width: 32%;
  }

  .index .floor_3 .advantList .item {
    width: calc(50% - 10px);
    background-size: cover;
  }

  .bottom_main .footer-right {
    gap: 32px;
  }

  .bottom_main .bInfo {
    min-width: 240px;
    max-width: 360px;
  }
}

/* <= 991px 平板竖屏 / 小屏 */
@media (max-width: 991px) {
  .top_main .top_l {
    display: none;
  }

  .top_main .top_r {
    float: none;
    width: 100%;
    max-width: 258px;
    margin: 0 auto;
  }

  .header_main {
    height: auto;
    padding-bottom: 0;
  }

  .header_main .header {
    position: relative;
    padding: 15px 15px 10px;
    min-height: 70px;
  }

  .header_main .logo,
  .header_main .logowz,
  .header_main .tel_main {
    float: none;
  }

  .header_main .logo {
    width: auto;
  }

  .header_main .logowz {
    margin: 8px 60px 0 0;
    font-size: 16px;
    line-height: 24px;
  }

  .header_main .tel_main {
    margin-top: 10px;
    padding-left: 48px;
    background-size: 36px 36px;
  }

  .header_main .tel_main .webTel {
    font-size: 22px;
  }

  .m-nav-toggle {
    display: block;
  }

  .nav_main {
    width: 100%;
    padding: 0;
    height: 0;
    overflow: visible;
  }

  #nav {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100%;
    margin-top: 0;
    padding: 70px 0 20px;
    background: #fff;
    z-index: 999;
    overflow-y: auto;
    transition: right .3s ease;
    box-shadow: -2px 0 16px rgba(0, 0, 0, .12);
  }

  body.nav-open #nav {
    right: 0;
  }

  #nav .navlist {
    display: block;
  }

  #nav li {
    float: none;
    width: 100%;
    padding: 0;
    background: none;
    border-bottom: 1px solid #f0f0f0;
  }

  #nav li:first-child,
  #nav li:last-child {
    padding: 0;
  }

  #nav li a {
    height: 48px;
    line-height: 48px;
    text-align: left;
    padding: 0 20px;
    font-size: 15px;
  }

  #nav ul .sub-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    border: 0;
    box-shadow: none;
    display: none;
  }

  #nav li.sub-open > ul.sub-menu {
    display: block;
  }

  #nav ul .sub-menu li a {
    padding-left: 36px;
    background: #fafafa;
  }

  .announ_main {
    height: auto;
    line-height: normal;
    padding: 15px 0;
  }

  .announ_main .announ_left,
  .announ_main .announ_right {
    float: none;
    width: 100%;
  }

  .announ_main .announ_right {
    padding-top: 12px;
  }

  .announ_main .announ_right .search {
    width: 100%;
  }

  .announ_main .announ_right .search .txt {
    width: calc(100% - 50px);
  }

  #banner_main .banner1 {
    height: 380px;
  }

  .banner1 li img {
    height: 380px;
  }

  .index .indexTit .tit {
    font-size: 30px;
    line-height: 34px;
  }

  .enquiryM {
    height: auto;
    padding: 30px 0;
    background-size: cover;
  }

  .enquiryM .left,
  .enquiryM .right {
    float: none;
    width: 100%;
  }

  .enquiryM .txt {
    padding-top: 0;
  }

  .enquiryM .txt .tit {
    font-size: 24px;
    line-height: 32px;
  }

  .enquiryM .txt .subtit {
    font-size: 15px;
    line-height: 24px;
  }

  .enquiryM .webTel {
    margin-top: 20px;
    font-size: 26px;
  }

  .enquiryM .online {
    float: none;
    margin-top: 16px;
  }

  .index .floor_1 .iproduct .list .item {
    width: 48%;
    margin-right: 4%;
  }

  .index .floor_1 .iproduct .list .item:nth-child(3n) {
    margin-right: 4%;
  }

  .index .floor_1 .iproduct .list .item:nth-child(2n) {
    margin-right: 0;
  }

  .prolist .item {
    width: calc(50% - 14px);
    margin-right: 28px;
  }

  .prolist .item:nth-child(3n) {
    margin-right: 28px;
  }

  .prolist .item:nth-child(2n) {
    margin-right: 0;
  }

  .prolist .item img {
    width: 100%;
    height: auto;
    aspect-ratio: 4/3;
    object-fit: cover;
  }

  .bottom_main {
    padding-bottom: 36px;
  }

  .bottom_main .footer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .bottom_main .bott_nav {
    line-height: 22px;
    padding: 0 0 16px;
    margin-bottom: 20px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
  }

  .bottom_main .bott_nav span {
    display: inline;
    margin-right: 6px;
    font-size: 13px;
    color: #999;
  }

  .bottom_main .bott_nav a {
    font-size: 13px;
    line-height: 22px;
    color: #ccc;
  }

  .bottom_main .footer-left {
    float: none;
    width: 100%;
    display: block;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
  }

  .bottom_main .footer-brand {
    text-align: center;
    margin-bottom: 16px;
  }

  .bottom_main .footer-brand .bLogo {
    height: auto;
    margin-bottom: 0;
  }

  .bottom_main .footer-brand .bLogo img {
    height: 42px;
    margin: 0 auto;
  }

  .bottom_main .footer-brand-name {
    display: block;
    margin: 10px 0 0;
    font-size: 13px;
    line-height: 20px;
    color: #888;
  }

  .bottom_main .footer-left .bNav {
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
  }

  .bottom_main .footer-left .bNav .footermenu {
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 8px;
    overflow: hidden;
    background: rgba(255, 255, 255, .03);
  }

  .bottom_main .footer-left .bNav li {
    float: none;
    flex: none;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
  }

  .bottom_main .footer-left .bNav li:last-child {
    border-bottom: none;
  }

  .bottom_main .footer-left .bNav a {
    display: block;
    padding: 11px 16px;
    font-size: 14px;
    line-height: 22px;
    color: #ccc;
    text-align: center;
  }

  .bottom_main .footer-left .bNav a:active {
    color: #fff;
    background: rgba(1, 149, 223, .15);
  }

  .bottom_main .footer-right {
    float: none;
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    margin-top: 20px;
    padding-top: 0;
  }

  .bottom_main .ewm {
    flex-shrink: 0;
  }

  .bottom_main .bInfo {
    flex: 1;
    width: auto;
    max-width: none;
    min-width: 0;
    padding-top: 0;
  }

  .bottom_main .ewm-box {
    width: 92px;
    height: 92px;
    padding: 4px;
  }

  .bottom_main .ewm-tit {
    margin-top: 6px;
    font-size: 12px;
    line-height: 16px;
  }

  .bottom_main .bInfo .telM,
  .bottom_main .bInfo .contact {
    gap: 10px;
  }

  .bottom_main .bInfo .contact {
    margin-top: 16px;
  }

  .bottom_main .footer-icon {
    width: 28px;
    height: 28px;
  }

  .bottom_main .bInfo .telM .tx,
  .bottom_main .bInfo .contact .tx {
    font-size: 12px;
  }

  .bottom_main .bInfo .telM .webTel {
    margin-top: 6px;
    font-size: 16px;
    line-height: 22px;
  }

  .bottom_main .bInfo .contact .address {
    margin-top: 6px;
    font-size: 12px;
    line-height: 18px;
  }

  .bottom_copy .copy,
  .bottom_copy .copy1 {
    float: none;
    text-align: center;
  }

  .bottom_copy {
    height: auto;
    line-height: 24px;
    padding: 12px 15px;
  }

  .sitepath {
    height: auto;
    line-height: 28px;
    padding: 20px 15px;
  }

  .sitepath .erjitit,
  .sitepath .dqwz {
    float: none;
    width: 100%;
  }

  .sitepath .erjitit {
    margin-bottom: 8px;
  }

  .sitepath .erjitit::before {
    top: 6px;
  }

  .menu {
    height: auto;
    margin-bottom: 30px;
  }

  .menu .list {
    white-space: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    text-align: left;
    padding-bottom: 5px;
  }

  .menu li {
    display: inline-block;
    float: none;
  }

  .menu li .nav1 {
    width: auto;
    min-width: 110px;
    padding: 0 12px;
  }

  .showNews,
  .aboutPage,
  .content.w1200 {
    padding-left: 15px;
    padding-right: 15px;
  }

  .reLink .nextLink,
  .reLink .prevLink {
    width: 100%;
    float: none;
    text-align: left;
  }

  .reLink .nextLink {
    margin-top: 8px;
  }

  .download-toolbar .download-cats,
  .download-toolbar .download-search {
    float: none;
    width: 100%;
  }

  .download-toolbar .download-cats {
    margin-top: 12px;
  }

  .download-cats a {
    margin: 0 8px 8px 0;
  }

  .download-list .col-count,
  .download-list .col-size,
  .download-list th.col-count,
  .download-list th.col-size {
    display: none;
  }

  .relateNews .list li {
    width: 100%;
    margin-right: 0;
  }

  .toolbar {
    right: 8px;
    margin-top: -90px;
  }

  .toolbar .tool-tel .tel-call {
    display: block;
    width: 51px;
    height: 51px;
  }
}

/* <= 767px 手机 */
@media (max-width: 767px) {
  .header_main .logowz {
    font-size: 14px;
    line-height: 20px;
    margin-right: 50px;
  }

  .header_main .webLogo img {
    height: 46px;
  }

  #banner_main .banner1 {
    height: 260px;
  }

  .banner1 li img {
    height: 260px;
  }

  .index .indexTit {
    padding-top: 36px;
  }

  .index .indexTit .tit {
    font-size: 24px;
  }

  .index .floor_1_main {
    padding-bottom: 50px;
  }

  .index .floor_1 .menu1 {
    margin-top: 30px;
  }

  .index .floor_1 .iproduct .list .item,
  .prolist .item,
  .n-gridlist .item {
    width: 100%;
    margin-right: 0 !important;
  }

  .index .floor_3 .advantList .item {
    width: 100%;
    height: auto;
    min-height: 220px;
    margin-bottom: 12px;
    background-size: cover;
  }

  .index .floor_3 .advantList .item .txt {
    padding-top: 30px;
    margin-left: 24px;
  }

  .index .floor_3 .advantList .item .txt .tit {
    font-size: 24px;
    line-height: 32px;
  }

  .index .floor_3 .advantList .item .sIco {
    width: 70px;
    height: 70px;
    top: 24px;
    right: 24px;
  }

  .showNews .title {
    font-size: 18px;
    line-height: 28px;
  }

  .showNews .mark span {
    display: inline-block;
    margin: 4px 8px;
  }

  .news_ul li .box1,
  .news_ul li .box2,
  .news_ul li .right {
    float: none;
    width: 100%;
    padding-left: 0;
    padding-right: 0;
  }

  .news_ul li .box1 img {
    width: 100%;
    height: auto;
  }

  .ewmbox {
    width: 86%;
    max-width: 300px;
    margin-left: 0;
    transform: translateX(-50%);
  }

  #pageabc {
    padding: 30px 0 20px;
  }

  #pageabc .pagination li {
    margin: 2px 3px;
  }

  #pageabc span,
  #pageabc a,
  #pageabc .page-link {
    padding: 4px 10px;
    font-size: 12px;
  }
}

/* <= 480px 小屏手机 */
@media (max-width: 480px) {
  .header_main .tel_main .webTel {
    font-size: 18px;
  }

  .bottom_main .footer-right {
    gap: 12px;
  }

  .bottom_main .footer-brand .bLogo img {
    height: 110px;
  }

  .bottom_main .footer-brand-name {
    font-size: 12px;
  }

  .bottom_main .footer-left .bNav a {
    font-size: 13px;
    padding: 10px 12px;
  }

  .bottom_main .ewm-box {
    width: 80px;
    height: 80px;
  }

  .bottom_main .ewm-tit {
    font-size: 11px;
  }

  .bottom_main .footer-icon {
    width: 24px;
    height: 24px;
  }

  .bottom_main .bInfo .telM,
  .bottom_main .bInfo .contact {
    gap: 8px;
  }

  .bottom_main .bInfo .contact {
    margin-top: 12px;
  }

  .bottom_main .bInfo .telM .webTel {
    font-size: 14px;
    line-height: 20px;
  }

  .bottom_main .bInfo .contact .address {
    font-size: 11px;
    line-height: 16px;
  }

  .enquiryM .txt .tit {
    font-size: 20px;
  }

  .enquiryM .online {
    width: 100%;
    max-width: 200px;
    background-size: 100% 100%;
  }

  .bottom_main {
    padding-bottom: 40px;
  }
}

/* >= 1200px：四列布局，列表页加宽容器 */
@media (min-width: 1200px) {
  .prolist-page .w1200,
  .prolist-page .menu .list {
    max-width: 1600px;
  }

  .prolist .item {
    width: calc(25% - 15px);
    margin-right: 20px;
  }

  .prolist .item:nth-child(3n) {
    margin-right: 20px;
  }

  .prolist .item:nth-child(4n) {
    margin-right: 0;
  }

  .prolist .item img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
  }

  .prolist .item .bg {
    width: 100%;
    left: -100%;
    top: 0;
    bottom: 64px;
    height: auto;
    padding-top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}