/**
 * 前台响应式 — 覆盖 common/style/zengjia/cpxiangq 固定宽度
 * 断点：1280 / 992 / 768 / 576
 */

html {
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

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

@media screen and (max-width: 1280px) {
  .w1200 {
    width: 100%;
    max-width: 1200px;
    padding-left: 16px;
    padding-right: 16px;
    box-sizing: border-box;
  }
  .pages {
    width: 100% !important;
    max-width: 100%;
    box-sizing: border-box;
  }
  .aboutBriefSub {
    width: 100% !important;
    max-width: 1280px;
    padding: 0 16px;
    box-sizing: border-box;
  }
}

.m-contact-link {
  display: none;
}

.m-nav-toggle {
  display: none;
  margin: 0;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  background: rgba(0, 0, 0, 0.18);
  color: #fff !important;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  line-height: 1.2;
  white-space: nowrap;
  -webkit-appearance: none;
  appearance: none;
}

@media screen and (min-width: 993px) {
  .header_main > .w1200 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
    gap: 10px;
    min-height: 78px;
  }

  .header_main .logo,
  .header_main .topright {
    float: none !important;
  }

  .header_main .logo {
    padding-top: 0;
    flex: 0 0 auto;
    max-width: 280px;
  }

  .header_main .logo img {
    max-height: 58px;
    width: auto;
  }

  .header_main .topright {
    width: auto !important;
    flex: 1 1 auto;
    min-width: 0;
    padding-top: 0;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
  }

  .header_main .topbtn {
    flex: 0 0 auto;
    padding-right: 0;
    order: 2;
  }

  .header_main .nav {
    display: block !important;
    flex: 1 1 auto;
    min-width: 0;
    order: 1;
    padding-right: 4px !important;
    background: transparent !important;
    border: none !important;
  }

  .header_main .m-nav-toggle,
  .header_main .m-contact-link {
    display: none !important;
  }

  #nav .navlist {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: center;
    gap: 4px 4px;
  }

  #nav li {
    float: none !important;
    height: auto;
  }

  #nav .navlist > li > a {
    color: #fff !important;
    border-color: rgba(255, 255, 255, 0.85) !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
    white-space: nowrap;
    font-size: 15px;
    padding: 0 12px;
  }

  #nav .navlist > li > a:hover,
  #nav .navlist > li > a.on {
    color: #ffcc00 !important;
    border-color: #fff !important;
  }

  #nav ul .subnav {
    left: 50%;
    width: max-content;
    min-width: 120px;
    max-width: 280px;
    transform: translate(-50%, 10px);
  }

  #nav ul li:hover .subnav {
    transform: translate(-50%, 0);
  }

  #nav ul .subnav a {
    color: #444 !important;
    background: #fff !important;
    border: none !important;
    border-bottom: 1px solid #eee !important;
    border-radius: 0 !important;
    text-shadow: none !important;
    padding: 10px 14px !important;
    line-height: 1.4 !important;
    height: auto !important;
    min-height: 40px;
    white-space: normal;
  }

  #nav ul .subnav a:hover {
    color: #f3101c !important;
    background: #f9f9f9 !important;
  }

  #banner {
    min-width: 0 !important;
  }

  #banner_main .banner {
    height: clamp(200px, 28vw, 518px) !important;
  }

  #banner_main .banner li img,
  .banner li img {
    width: 100% !important;
    max-width: 100% !important;
    height: clamp(200px, 28vw, 518px) !important;
    object-fit: cover;
    left: 0 !important;
    margin-left: 0 !important;
    position: relative !important;
  }
}

/* 全站取消 banner 强制 1000px（含 993–1279 中等屏） */
#banner {
  min-width: 0 !important;
  width: 100% !important;
  overflow: hidden;
}

/* —— 平板及以下：真正的手机适配 —— */
@media screen and (max-width: 992px) {
  .header_main {
    height: auto !important;
    min-height: 56px;
    background-size: cover !important;
    background-position: center !important;
  }

  .header_main > .w1200 {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding-top: 8px;
    padding-bottom: 8px;
    box-sizing: border-box;
  }

  .m-contact-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 12px;
    margin-right: 6px;
    border-radius: 4px;
    background: #fff;
    color: #f3101c !important;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.2;
    white-space: nowrap;
    text-decoration: none !important;
    border: none;
  }

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

  .header_main .logo {
    float: none !important;
    max-width: none;
    padding-top: 0;
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
  }

  .header_main .logo img {
    max-height: 44px;
    max-width: 100%;
    width: auto;
  }

  .header_main .topright {
    width: auto !important;
    float: none !important;
    clear: none;
    padding-top: 0;
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-end;
    flex: 0 0 auto;
    gap: 6px;
    max-width: none;
  }

  .header_main .topbtn {
    display: none !important;
  }

  .header_main .nav {
    display: none;
    float: none !important;
    width: 100%;
    flex: 0 0 100%;
    clear: both;
    background: #fff;
    border: 1px solid #eee;
    margin-top: 8px;
    padding: 8px 0;
    box-sizing: border-box;
    order: 3;
  }

  .header_main .nav.m-open {
    display: block;
  }

  #nav li {
    float: none !important;
    display: block;
    width: 100%;
    height: auto;
  }

  #nav .navlist > li > a {
    color: #333 !important;
    border-color: #ddd !important;
    text-shadow: none !important;
    margin: 4px 12px;
  }

  #nav ul .subnav {
    position: static !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    display: none;
    box-shadow: none;
    width: auto;
    margin: 0 12px 8px;
  }

  #nav li.sub-open .subnav {
    display: block;
  }

  #nav ul .subnav a {
    color: #444 !important;
    padding-left: 14px !important;
  }

  .top_main .top_l,
  .top_main .top_r {
    float: none !important;
    text-align: center;
    font-size: 12px;
    width: auto !important;
  }

  /* Banner：取消桌面 min-width:1000px */
  #banner,
  #banner_main {
    min-width: 0 !important;
    width: 100% !important;
    overflow: hidden;
  }

  #banner .tip {
    width: auto !important;
    max-width: 90%;
    left: 50% !important;
    margin-left: 0 !important;
    transform: translateX(-50%);
    bottom: 12px !important;
  }

  #banner #btn_prev,
  #banner #btn_next {
    display: none !important;
  }

  #banner_main .banner {
    height: clamp(160px, 42vw, 360px) !important;
  }

  #banner_main .banner li img,
  .banner li img {
    width: 100% !important;
    max-width: 100% !important;
    height: clamp(160px, 42vw, 360px) !important;
    object-fit: cover;
    left: 0 !important;
    margin-left: 0 !important;
    position: relative !important;
  }

  /* 首页区块：压缩桌面 80px 上下留白 */
  .index .floor_1_main,
  .index .floor_4_main,
  .ipatent_main,
  .indnews {
    padding-top: 36px !important;
    padding-bottom: 36px !important;
  }

  .index .title,
  .indexTit {
    margin-bottom: 20px !important;
  }

  .index .title h3,
  .indexTit h2 {
    font-size: 22px !important;
    line-height: 1.3 !important;
  }

  .index .title p,
  .indexTit .en {
    font-size: 13px !important;
    line-height: 1.3 !important;
    margin-bottom: 4px !important;
  }

  .indexTit .line-left,
  .indexTit .line-right {
    display: none !important;
  }

  /* 产品分类：两列网格，避免 inline 错乱 */
  .imenu {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 10px 12px;
    text-align: center;
    width: 100% !important;
    box-sizing: border-box;
    padding: 0 0 8px !important;
    height: auto !important;
  }

  .imenu a {
    display: block !important;
    width: 100% !important;
    box-sizing: border-box;
    padding: 10px 8px !important;
    margin: 0 !important;
    border: 1px solid #eee !important;
    border-left: 1px solid #eee !important;
    border-radius: 6px;
    height: auto !important;
    line-height: 1.35 !important;
    font-size: 14px !important;
    background: #fff;
    white-space: normal !important;
  }

  .imenu a:first-child {
    border-left: 1px solid #eee !important;
  }

  /* 产品卡片：整行铺满，去掉 386px / 108% */
  .ipro {
    padding: 12px 0 8px !important;
    overflow: hidden;
    width: 100% !important;
  }

  .ipro .list,
  .index .floor_1 .ipro .list,
  .projectPage.ipro .list {
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    display: block;
  }

  .ipro .list .item,
  .index .floor_1 .ipro .list .item,
  .projectPage.ipro .list .item,
  .index .ipro .item {
    float: none !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
    margin: 0 0 14px !important;
    padding: 0 !important;
    height: auto !important;
  }

  .ipro .item a,
  .ipro .item a.img {
    height: auto !important;
    min-height: 0 !important;
  }

  .ipro .item img {
    width: 100% !important;
    height: auto !important;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    display: block;
  }

  .ipro .item h3 {
    position: relative !important;
    left: auto !important;
    bottom: auto !important;
    height: auto !important;
    min-height: 48px;
    line-height: 1.4 !important;
    text-indent: 0 !important;
    padding: 12px 40px 12px 14px !important;
    box-sizing: border-box;
    background: rgba(0, 0, 0, 0.72) !important;
  }

  .ipro .item em.icon {
    bottom: 12px !important;
    margin-right: 12px !important;
  }

  /* 客户案例：强制满宽，覆盖 SuperSlide 内联宽/左偏移 */
  .floor_4_main,
  #ichoose,
  #ichoose .bd,
  #ichoose .tempWrap,
  .floor_4 .textlist,
  .textlist {
    width: 100% !important;
    max-width: 100% !important;
    overflow: hidden !important;
    box-sizing: border-box !important;
  }

  #ichoose .tempWrap {
    position: static !important;
  }

  #ichoose .textlist .list,
  .textlist .list,
  #ichoose .bd ul.list,
  #ichoose .bd ul {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 0 8px !important;
    left: 0 !important;
    right: auto !important;
    position: static !important;
    transform: none !important;
    overflow: visible !important;
  }

  #ichoose .textlist .item,
  .textlist .item,
  .floor_4 .textlist .item,
  #ichoose .bd .item {
    float: none !important;
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    margin: 0 0 16px !important;
    box-sizing: border-box !important;
  }

  /* 手机端只展示前 4 条，避免案例区撑出超长空白 */
  #ichoose .bd .item:nth-child(n + 5),
  .floor_4 .textlist .item:nth-child(n + 5) {
    display: none !important;
  }

  .textlist .item .img,
  #ichoose .textlist .item .img,
  #ichoose .bd .item .img {
    width: 100% !important;
    height: auto !important;
    max-height: none !important;
    display: block !important;
  }

  .textlist .item .img img,
  #ichoose .textlist .item .img img,
  #ichoose .bd .item .img img {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block !important;
  }

  .textlist .item .txt {
    padding: 14px 16px 16px !important;
  }

  .index .more {
    display: block;
    margin: 8px auto 0 !important;
    text-align: center;
  }

  /* 产品优势：桌面固定 800px + 背景图不重复 → 手机堆叠后露白，白字消失 */
  .index .floor_2_main {
    height: auto !important;
    min-height: 0 !important;
    overflow: visible !important;
    padding: 36px 0 40px !important;
    background-color: #1b1d24 !important;
    background-image: linear-gradient(180deg, rgba(20, 22, 28, 0.55), rgba(20, 22, 28, 0.92)),
      url(../images/iyoushi.jpg) !important;
    background-repeat: no-repeat !important;
    background-position: center top !important;
    background-size: cover !important;
  }

  .index .floor_2 {
    padding: 0 !important;
  }

  .iyoushi {
    height: auto !important;
    min-height: 0 !important;
    overflow: visible !important;
    padding: 8px 0 16px !important;
    background: none !important;
  }

  .iyoushi .item,
  .iyoushi .it1,
  .iyoushi .it2,
  .iyoushi .it3,
  .iyoushi .it4,
  .iyoushi .it5,
  .iyoushi .it6 {
    float: none !important;
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    margin: 0 0 12px !important;
    box-sizing: border-box !important;
    background: rgba(255, 255, 255, 0.08) !important;
    background-image: none !important;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
  }

  .iyoushi .item a {
    display: flex !important;
    align-items: center;
    gap: 14px;
    padding: 18px 16px !important;
    box-sizing: border-box;
  }

  .iyoushi .item .img {
    float: none !important;
    flex: 0 0 48px;
    width: 48px !important;
    height: 48px !important;
    margin: 0 !important;
  }

  .iyoushi .item .img img {
    position: static !important;
    width: 48px !important;
    height: 48px !important;
    object-fit: contain;
    top: 0 !important;
  }

  .iyoushi .item .txt {
    float: none !important;
    width: auto !important;
    flex: 1 1 auto;
    min-width: 0;
    padding-left: 0 !important;
    color: #fff !important;
  }

  .iyoushi .item .txt h3 {
    color: #fff !important;
    font-size: 17px !important;
    line-height: 1.3 !important;
  }

  .iyoushi .item .txt p {
    color: rgba(255, 255, 255, 0.72) !important;
    font-size: 13px !important;
    padding-top: 4px !important;
  }

  .iyoushi .item:hover {
    background: rgba(255, 255, 255, 0.12) !important;
    background-image: none !important;
  }

  .iyoushi .item:hover .img img {
    top: 0 !important;
  }

  .iabout {
    padding: 36px 0 !important;
  }

  .iabout .txt,
  .iabout .img {
    float: none !important;
    width: 100% !important;
    height: auto !important;
    padding: 0 !important;
    box-sizing: border-box;
  }

  .iabout .txt p {
    padding-top: 8px !important;
    line-height: 1.7;
  }

  .iabout .txt .abo_more {
    color: #f3101c !important;
    background: transparent !important;
    margin: 16px auto 20px !important;
  }

  .iabout .img img {
    width: 100% !important;
    height: auto !important;
    display: block;
  }

  /* 询盘横幅：去掉桌面竖排背景字裁切，改为手机通栏卡片 */
  .xunpan {
    height: auto !important;
    min-height: 0 !important;
    padding: 28px 0 !important;
    background-color: #2a2d35 !important;
    background-image: linear-gradient(90deg, rgba(30, 32, 38, 0.92), rgba(30, 32, 38, 0.72)),
      url(../images/xunpan.jpg) !important;
    background-repeat: no-repeat !important;
    background-position: center right !important;
    background-size: cover !important;
    box-sizing: border-box;
  }

  .xunpan > .w1200 {
    display: flex !important;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    text-align: center;
  }

  .xunpan .xunpan-copy {
    order: 1;
  }

  .xunpan .zixun {
    float: none !important;
    width: 100% !important;
    max-width: 320px;
    margin: 0 auto;
    padding-top: 0 !important;
    order: 2;
    text-align: center;
  }

  .xunpan .bigtxt {
    font-size: 22px !important;
    line-height: 1.35 !important;
    padding: 0 0 8px !important;
    writing-mode: horizontal-tb !important;
  }

  .xunpan .xunpan-sub,
  .xunpan p {
    font-size: 14px !important;
    line-height: 1.5 !important;
    margin: 0;
    opacity: 0.92;
  }

  .xunpan .tel,
  .xunpan a.tel {
    display: flex !important;
    align-items: center;
    justify-content: center;
    height: auto !important;
    min-height: 44px;
    line-height: 1.2 !important;
    font-size: 20px !important;
    margin-bottom: 12px !important;
    text-decoration: none !important;
    color: #fff !important;
    background: transparent !important;
    border: 1px solid rgba(255, 255, 255, 0.55) !important;
    box-sizing: border-box;
    padding: 8px 16px;
    border-radius: 30px;
  }

  .xunpan .zixun a.zx {
    height: auto !important;
    min-height: 44px;
    line-height: 44px !important;
    font-size: 17px !important;
    background: #f3101c !important;
  }

  /* 技术信赖：取消固定高度与丝带底图错位 */
  .ipatent_main {
    height: auto !important;
    min-height: 0 !important;
    overflow: visible !important;
    background-color: #1b1c20 !important;
    background-image: linear-gradient(180deg, rgba(20, 22, 28, 0.88), rgba(20, 22, 28, 0.92)),
      url(../images/patent.jpg) !important;
    background-repeat: no-repeat !important;
    background-position: center !important;
    background-size: cover !important;
    padding: 36px 0 !important;
    box-sizing: border-box;
  }

  .ipatent_main .floor {
    padding: 0 !important;
    overflow: visible !important;
  }

  .ipatent_main .title h3 {
    background: none !important;
  }

  .ipatent {
    padding-top: 8px !important;
  }

  .ipatent .item {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    float: none !important;
    margin: 0 0 12px !important;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.1) !important;
    background-image: none !important;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 8px;
  }

  .ipatent .item a {
    display: flex !important;
    align-items: flex-start;
    gap: 14px;
    padding: 16px !important;
    box-sizing: border-box;
  }

  .ipatent .item .img {
    float: none !important;
    width: 48px !important;
    height: 48px !important;
    margin: 2px 0 0 !important;
    flex: 0 0 48px;
  }

  .ipatent .item .img img {
    position: static !important;
    width: 100% !important;
    height: 100% !important;
    object-fit: contain;
  }

  .ipatent .item .txt {
    float: none !important;
    width: auto !important;
    flex: 1 1 auto;
    min-width: 0;
    padding-left: 0 !important;
  }

  .ipatent .item .txt h3 {
    font-size: 16px !important;
    line-height: 1.35 !important;
  }

  .ipatent .item .txt p {
    font-size: 13px !important;
    line-height: 1.5 !important;
    padding-top: 6px !important;
  }

  .location .menu {
    float: none !important;
    height: auto !important;
  }

  .location .menu li {
    display: inline-block;
    margin: 4px 6px 4px 0;
  }

  .location .sitepath {
    float: none !important;
    width: 100%;
  }

  .newsPage .list .item {
    width: 100% !important;
    float: none !important;
  }

  .newsPage .item .txt {
    width: auto !important;
    max-width: 100%;
    float: none !important;
  }

  .newsPage .item .time {
    width: auto !important;
    float: none !important;
    border-left: 0 !important;
    padding-left: 0 !important;
    margin-top: 8px;
  }

  /* 联系页三列卡片 */
  .wrapper .bcontact,
  .contactPage .bcontact {
    display: block;
  }

  .wrapper .bcontact li,
  .contactPage .bcontact li {
    width: 100% !important;
    float: none !important;
    box-sizing: border-box;
    border-left: 0 !important;
    border-bottom: 1px solid #eee;
    margin: 0 0 12px !important;
    padding: 16px 12px !important;
  }

  .aboutBrief {
    height: auto !important;
    min-height: 220px;
    padding: 24px 0;
  }

  .aboutBriefSub .aboutBriefSubOne {
    height: auto !important;
    line-height: 1.4 !important;
    font-size: 22px !important;
    margin-bottom: 20px !important;
    padding-top: 12px;
  }

  .aboutTenet,
  .aboutTenetSubLeft,
  .aboutTenetSubRight {
    width: 100% !important;
    height: auto !important;
    float: none !important;
  }

  /* 页脚：缩短篇幅 — 只留一级入口 + 紧凑联系方式 */
  .footer_main .footer {
    padding: 24px 0 16px !important;
  }

  .footer .botnavlist,
  .footer .qcode {
    float: none !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .footer .botnavlist {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 10px 12px;
    margin: 0 0 16px !important;
    padding: 0 !important;
  }

  .footer .botnavlist li {
    float: none !important;
    width: auto !important;
    max-width: none !important;
    box-sizing: border-box !important;
    margin: 0 !important;
    padding: 10px 12px !important;
    border: 1px solid #353535 !important;
    border-right: 1px solid #353535 !important;
    border-radius: 6px;
    text-align: center !important;
    overflow: hidden;
  }

  .footer .botnavlist li > a {
    font-size: 15px !important;
    line-height: 1.3 !important;
    font-weight: 600;
  }

  /* 子栏目在手机端隐藏，避免产品分类把页脚撑得很长 */
  .footer .botnavlist li .drop {
    display: none !important;
  }

  .footer .qcode {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .footer .qcode .btel,
  .footer .qcode .ewm {
    float: none !important;
    width: 100% !important;
    max-width: 100% !important;
    text-align: center;
    margin: 0 !important;
  }

  .footer .qcode .ewm {
    width: 88px !important;
    height: 88px !important;
    border-width: 3px !important;
    order: 2;
  }

  .footer .btel {
    width: 100% !important;
    line-height: 1.45 !important;
  }

  .footer .btel .p1 {
    display: none !important;
  }

  .footer .btel .p2 {
    font-size: 22px !important;
    line-height: 1.2 !important;
    padding-bottom: 6px !important;
  }

  .footer .btel .p3 {
    font-size: 13px !important;
    line-height: 1.55 !important;
    color: #aaa !important;
  }

  /* 官网/地址等次要信息折叠，缩短高度 */
  .footer .btel .p3:nth-of-type(n + 5) {
    display: none !important;
  }

  .copymain {
    padding: 12px 16px !important;
    line-height: 1.55 !important;
  }

  .copymain p:last-child {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 6px 0 0 !important;
  }

  /* 产品参数表：可横向滚动，不裁切内容 */
  .cspzBrief,
  .jstdCspz,
  .product-detail-page .cspzBrief,
  .boxabout,
  .showContxt,
  .showNews {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .cspzBrief table,
  .jstdCspz table,
  .product-detail-page table,
  .showContxt table,
  .showNews table {
    width: 100% !important;
    max-width: 100%;
  }

  #ichoose,
  #ichoose .bd,
  #newsBox,
  #newsBox .bd {
    width: 100% !important;
    overflow: hidden;
  }

  #ichoose .bd li,
  #ichoose .bd .item {
    width: auto !important;
  }

  .menuNextTpSubLeft,
  .menuNextTpSubRight,
  .jstdSub .jstdSubLeft,
  .jstdSub .jstdSubRight,
  .jstdCspzLeft,
  .jstdCspzRight {
    float: none !important;
    width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  #dituContent,
  #allmap {
    width: 100% !important;
    max-width: 100%;
    height: 280px !important;
  }

}

@media screen and (max-width: 768px) {
  .indexTit h2 {
    font-size: 22px;
  }

  .indexTit .en {
    font-size: 13px;
  }

  .contact-form-wrap {
    padding: 20px 16px !important;
    margin: 24px 0 16px !important;
  }
}

@media screen and (max-width: 576px) {
  .imenu {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .imenu a {
    font-size: 13px !important;
    padding: 9px 6px !important;
  }

  .liuc .list .item {
    width: 50% !important;
  }

  .footer .botnavlist {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .footer .botnavlist li {
    width: auto !important;
    padding: 9px 8px !important;
  }

  .footer .botnavlist li > a {
    font-size: 14px !important;
  }

  .footer .qcode .ewm {
    display: none !important;
  }

  .footer_main .footer {
    padding: 20px 0 12px !important;
  }

  .top_main {
    display: none;
  }

  .header_main .logo img {
    max-height: 40px;
  }

  .index .floor_1_main,
  .index .floor_4_main,
  .ipatent_main,
  .indnews {
    padding-top: 28px !important;
    padding-bottom: 28px !important;
  }

  .xunpan {
    padding: 24px 0 !important;
  }

  .xunpan .bigtxt {
    font-size: 20px !important;
  }

  .xunpan .tel {
    font-size: 18px !important;
  }

  .m-contact-link {
    padding: 6px 10px;
    font-size: 12px;
  }

  .m-nav-toggle {
    padding: 6px 10px;
    font-size: 12px;
  }
}

.phoneNavigation,
.back,
.bdshare-slide,
#toolbar,
#bdshare {
  display: none !important;
}

/* 手机端：百度商桥/IM 浮层（留言板、欢迎弹窗）默认展开会挡内容 */
@media screen and (max-width: 992px) {
  .embed-messageboard,
  .embed-messageboard-base,
  .embed-messageboard-container,
  .embed-invite,
  div[class^="embed-messageboard"],
  div[class*="embed-invite"] {
    display: none !important;
    visibility: hidden !important;
    pointer-events: none !important;
  }

  .embed-icon {
    right: 6px !important;
    bottom: 6px !important;
    transform: scale(0.72);
    transform-origin: bottom right;
    max-width: 64px !important;
    z-index: 20 !important;
  }

  /* 收起气泡文案，只留入口图标 */
  .embed-icon [class*="bubble"],
  .embed-icon [class*="tip"],
  .embed-icon [class*="msg"],
  .embed-icon > div:not(:first-child) {
    display: none !important;
  }

  /* 产品详情：面包屑与锚点导航勿重叠 */
  .product-detail-subnav.location,
  .location.product-detail-subnav {
    height: auto !important;
    min-height: 0 !important;
    padding: 8px 0 !important;
  }

  .product-detail-subnav .sitepath,
  .product-detail-subnav .menu,
  .location.product-detail-subnav .sitepath,
  .location.product-detail-subnav .w1200 > * {
    float: none !important;
    width: 100% !important;
    display: block;
  }

  .product-detail-subnav .menu li,
  .location.menu li {
    display: inline-block !important;
    float: none !important;
    margin: 4px 6px 4px 0 !important;
  }

  .jstdCspzLeft,
  .jstdCspzRight,
  .product-detail-page .jstdCspzLeft,
  .product-detail-page .jstdCspzRight {
    display: block !important;
    float: none !important;
    width: 100% !important;
    max-width: 100% !important;
  }
}