/**
 * 全站自定义样式（从各页 / header 内联逐步迁入）
 * 在 head 中于 index1.css、fullpage 等之后加载，便于覆盖主样式。
 */

/* ---------- index_swiper 版块：首页轮播（平板 / 移动） ---------- */
@media screen and (max-width: 1024px) {
  .index-banner {
    position: relative;
  }

  .index-banner .swiper.bannerSwiper {
    width: 100%;
  }

  .index-banner .swiper .swiper-slide {
    height: auto;
  }

  .index-banner .swiper .swiper-slide img {
    width: 100%;
    display: block;
    min-height: 220px;
    max-height: 45vh;
    object-fit: cover;
    object-position: center;
  }

  .index-banner .swiper-pagination.banner-pagination {
    bottom: 3%;
  }

  .index-banner .swiper-pagination .swiper-pagination-bullet {
    margin: 0 0.2em;
  }
}

@media screen and (max-width: 576px) {
  .index-banner .swiper .swiper-slide img {
    min-height: 180px;
    max-height: 38vh;
  }

  .index-banner .swiper-pagination.banner-pagination {
    bottom: 2.5%;
  }

  .index-banner .swiper-pagination .swiper-pagination-bullet {
    width: 0.65em;
    height: 0.65em;
  }
}

/* ---------- index_about 版块：平板 / 移动端 ---------- */
@media screen and (max-width: 1024px) {
  .index-about .mycontainer {
    margin-left: auto;
    margin-right: auto;
    padding: 6% 16px 4%;
    box-sizing: border-box;
    background-size: 50% auto;
    background-position: right top;
  }

  .index-about .intro {
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
  }

  .index-about .intro .lt,
  .index-about .intro .rt {
    box-sizing: border-box;
  }

  .index-about .intro .lt {
    width: 100%;
  }

  .index-about .intro .rt {
    width: 100%;
    text-align: left;
  }

  .index-about .intro .lt .title {
    margin-bottom: 0.5em;
  }

  .index-about .info {
    flex-direction: column;
    align-items: stretch;
    gap: 28px;
    margin-top: 6%;
  }

  .index-about .info .data {
    width: 100%;
    justify-content: flex-start;
    gap: 12px 4%;
  }

  .index-about .info .data .block {
    width: 46%;
    box-sizing: border-box;
  }

  .index-about .info .data .block:nth-last-child(-n+2) {
    margin-bottom: 1.2em;
  }

  .index-about .info .vision {
    width: 100%;
  }

  .index-about .info .vision .block {
    font-size: clamp(14px, 3.5vw, 18px);
  }

  .index-about .info .vision .block .text {
    text-align: left;
    margin-right: 0.5em;
  }

  .index-about .more {
    margin-top: 6%;
    text-align: center;
  }
}

@media screen and (max-width: 576px) {
  .index-about .mycontainer {
    padding-left: 16px;
    padding-right: 16px;
    background-size: 70% auto;
    background-position: right -20px top;
  }

  .index-about .intro .lt .brief>div[style*="text-indent"] {
    text-indent: 1.25em !important;
  }

  .index-about .info .data {
    flex-direction: column;
  }

  .index-about .info .data .block {
    width: 100%;
    margin-bottom: 1em;
  }

  .index-about .info .data .block:last-child {
    margin-bottom: 0;
  }

  .index-about .info .vision .block {
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 12px;
  }

  .index-about .info .vision .block .icon {
    flex-shrink: 0;
    width: 2.4em;
    height: 2.4em;
  }
}

/* ---------- index_app 版块：平板 / 移动端 ---------- */
@media screen and (max-width: 1024px) {
  .index-app {
    background-attachment: scroll;
    padding: 6% 0 5%;
  }

  .index-app .mycontainer {
    width: 100%;
    max-width: 100%;
    padding-left: 16px;
    padding-right: 16px;
    box-sizing: border-box;
  }

  .index-app .wrapper {
    flex-direction: column;
    border-radius: 12px;
  }

  .index-app .wrapper .lt {
    width: 100%;
    padding: 16px;
    box-sizing: border-box;
  }

  .index-app .wrapper .lt .swiper .pic {
    padding-bottom: 65%;
    max-height: none;
  }

  .index-app .wrapper .lt .swiper .pic .mask {
    font-size: clamp(13px, 3.2vw, 18px);
    padding: 0.55em 1em;
    white-space: normal;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    line-height: 1.35;
  }

  .index-app .wrapper .rt {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .index-app .wrapper .rt .block {
    flex: 1 1 46%;
    min-width: 140px;
    box-sizing: border-box;
    border-bottom: 1px solid #e5e5e5;
    padding: 0.65em 12px;
  }
}

@media screen and (max-width: 576px) {
  .index-app {
    padding: 8% 0 6%;
  }

  .index-app .wrapper .lt {
    padding: 12px;
  }

  .index-app .wrapper .lt .swiper .pic {
    padding-bottom: 72%;
  }

  .index-app .wrapper .lt .swiper .pic .mask {
    -webkit-line-clamp: 3;
    font-size: 13px;
  }

  .index-app .wrapper .rt .block {
    flex: 1 1 100%;
    min-width: 0;
    border-right: 0;
    padding: 0.75em 14px;
  }

  .index-app .wrapper .rt .block img {
    width: 3.2em;
    height: 3.2em;
  }

  .index-app .index-title {
    padding-right: 4px;
  }
}

/* ---------- index_products 版块：平板 / 移动端 ---------- */
@media screen and (max-width: 1024px) {
  .index-prod {
    margin: 0;
    padding: 0 0 5%;
  }

  .index-prod .index-title {
    padding: 5% 16px 6%;
    margin-bottom: 4%;
    background-size: cover;
    background-position: center;
    box-sizing: border-box;
  }

  .index-prod .mycontainer {
    width: 100%;
    max-width: 100%;
    padding-left: 16px;
    padding-right: 16px;
    box-sizing: border-box;
  }

  .index-prod .wrapper .block,
  .index-prod .wrapper .block:nth-child(even) {
    flex-direction: column !important;
    margin-bottom: 5%;
  }

  .index-prod .wrapper .block .lt {
    width: 100%;
  }

  .index-prod .wrapper .block .lt .pic {
    padding-bottom: 70%;
  }

  .index-prod .wrapper .block .rt,
  .index-prod .wrapper .block:nth-child(even) .rt {
    width: 100%;
    padding: 18px 16px 20px !important;
    text-align: left !important;
    align-self: stretch;
    box-sizing: border-box;
  }

  .index-prod .wrapper .block .rt .brief p {
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .index-prod .wrapper .block .rt span {
    margin-top: 16px;
  }
}

@media screen and (max-width: 576px) {
  .index-prod .index-title {
    padding: 8% 14px 9%;
  }

  .index-prod .index-title h3 {
    line-height: 1.35;
  }

  .index-prod .wrapper .block .lt .pic {
    padding-bottom: 75%;
  }

  .index-prod .wrapper .block .rt {
    padding: 16px 14px 18px !important;
  }

  .index-prod .wrapper .block .rt .brief p {
    -webkit-line-clamp: 5;
  }
}

/* ---------- index_adv 版块：平板 / 移动端 ---------- */
@media screen and (max-width: 1024px) {
  .index-adv {
    padding: 5% 0 8%;
  }

  .index-adv .mycontainer {
    width: 100%;
    max-width: 100%;
    padding-left: 16px;
    padding-right: 16px;
    box-sizing: border-box;
  }

  .index-adv .mycontainer::after {
    width: min(40vw, 220px);
    height: min(40vw, 220px);
    transform: translate(40%, 35%);
    opacity: 0.7;
  }

  .index-adv .wrapper {
    flex-wrap: wrap;
    gap: 16px;
    justify-content: flex-start;
    overflow: visible;
  }

  .index-adv .wrapper .block,
  .index-adv .wrapper .block:nth-child(even) {
    width: calc(50% - 8px);
    flex-direction: column !important;
    box-sizing: border-box;
  }

  .index-adv .wrapper .block .pic {
    padding-bottom: 62%;
    border-radius: 12px;
  }

  .index-adv .wrapper .block .title {
    padding: 1.2em 0.9em 0.75em;
    font-size: clamp(13px, 2.8vw, 16px);
  }

  .index-adv .wrapper .block .title p {
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: clamp(12px, 2.6vw, 15px);
  }
}

@media screen and (max-width: 576px) {
  .index-adv {
    padding: 8% 0 10%;
  }

  .index-adv .index-title h3 {
    line-height: 1.35;
  }

  .index-adv .mycontainer::after {
    display: none;
  }

  .index-adv .wrapper {
    flex-direction: column;
    gap: 14px;
  }

  .index-adv .wrapper .block,
  .index-adv .wrapper .block:nth-child(even) {
    width: 100%;
  }

  .index-adv .wrapper .block .pic {
    padding-bottom: 56%;
  }

  .index-adv .wrapper .block .title {
    padding: 1.1em 14px 0.85em;
  }

  .index-adv .wrapper .block .title p {
    -webkit-line-clamp: 5;
  }
}

/* ---------- index_news 版块：平板 / 移动端 ---------- */
@media screen and (max-width: 1024px) {
  .index-news {
    margin: 4% 0 6%;
  }

  .index-news .mycontainer {
    width: 100%;
    max-width: 100%;
    padding-left: 16px;
    padding-right: 16px;
    box-sizing: border-box;
  }

  .index-news .index-title h3 {
    line-height: 1.35;
  }

  .index-news .wrapper {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .index-news .wrapper .block:first-child {
    grid-row: auto;
  }

  .index-news .wrapper .block:first-child .title {
    padding: 1.25em 1.15em 1.65em;
  }

  .index-news .wrapper .block:first-child .title h4 {
    height: auto;
    max-height: none;
    -webkit-line-clamp: 2;
  }

  .index-news .wrapper .block .title {
    padding: 1.45em 1.1em 1.05em;
    font-size: clamp(13px, 2.6vw, 18px);
  }

  .index-news .wrapper .block .title h4 {
    height: auto;
    max-height: none;
    margin: 1em 0 0.4em;
  }

  .index-news .wrapper .block .title p {
    height: auto;
    max-height: none;
    -webkit-line-clamp: 3;
    font-size: clamp(12px, 2.5vw, 15px);
  }

  .index-news .wrapper .block .pic {
    border-radius: 12px;
  }

  .index-news .wrapper .block {
    border-radius: 12px;
  }
}

@media screen and (max-width: 576px) {
  .index-news {
    margin: 6% 0 9%;
  }

  .index-news .wrapper {
    gap: 14px;
  }

  .index-news .wrapper .block:first-child .title {
    padding: 1.05em 14px 1.35em;
  }

  .index-news .wrapper .block .title {
    padding: 1.1em 14px 0.95em;
    font-size: clamp(13px, 3.2vw, 16px);
  }

  .index-news .wrapper .block .title h5 {
    flex-wrap: wrap;
    gap: 6px 12px;
    font-size: clamp(11px, 2.8vw, 13px);
  }

  .index-news .wrapper .block .pic {
    padding-bottom: 56%;
    border-radius: 10px;
  }

  .index-news .wrapper .block .title p {
    -webkit-line-clamp: 4;
    margin-top: 0.35em;
  }

  .index-news .wrapper .block .title span {
    float: none;
    margin-top: 0.35em;
  }

  .index-news .wrapper .block:first-child .title span {
    margin-top: 0.45em;
  }
}

/* ---------- footer 版块：移动端适配 ---------- */
@media screen and (max-width: 1024px) {
  footer .footer-top .section1 {
    flex-direction: column;
    gap: 24px;
  }

  footer .footer-top .section1 .logo,
  footer .footer-top .section1 nav {
    width: 100%;
  }

  footer .footer-top .section1 nav {
    /* 三列排版：避免所有分类一列从上排到下 */
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    gap: 16px !important;
    align-items: flex-start;
  }

  footer .footer-top .section1 nav .block {
    width: calc((100% - 32px) / 3) !important;
    box-sizing: border-box;
  }

  footer .footer-top .section2 {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 16px;
  }

  footer .footer-top .section2 address {
    width: auto;
    flex: 1 1 55%;
    margin-right: 0;
  }

  footer .footer-top .section2 .ewm {
    width: auto;
    flex: 0 1 40%;
    margin-top: 0;
    text-align: center;
  }
}

@media screen and (max-width: 576px) {
  footer .footer-bt .mycontainer p {
    font-size: 12px;
    line-height: 1.6;
  }

  /* 小屏保持三列 */
  footer .footer-top .section1 nav .block {
    width: calc((100% - 32px) / 3) !important;
  }

  footer .footer-top .section2 {
    flex-direction: column;
    gap: 0;
  }

  footer .footer-top .section2 .ewm {
    margin-top: 16px;
    flex: none;
    width: 100%;
    text-align: center;
  }

  footer .footer-top .section2 .ewm img {
    margin-left: auto;
    margin-right: auto;
    display: block;
  }
}

/* ---------- products_list 页面：主内容区适配 ---------- */
.page-products-list.blk-main {
  box-sizing: border-box;
}

.page-products-list .leftnav-z1-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

.page-products-list .leftnav-z1-list dl {
  float: none;
  width: auto;
  max-width: none;
  margin: 0;
}

.page-products-list .leftnav-z1-list dt {
  aspect-ratio: 285 / 213;
}

.page-products-list .leftnav-z1-list dt img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products-list .leftnav-z1-list dt p {
  height: 100%;
}

/* 两列布局（PC） */
.page-products-list .products-layout {
  display: flex;
  gap: 30px;
  align-items: flex-start;
}

.page-products-list .products-left {
  width: 240px;
  flex: 0 0 240px;
}

.page-products-list .products-right {
  flex: 1 1 auto;
  min-width: 0;
}

@media screen and (max-width: 1200px) {
  .page-products-list.blk-main {
    width: 100%;
    max-width: 100%;
    padding-left: 16px;
    padding-right: 16px;
  }

  /* 列布局切换：不依赖 blk-xs/fl、blk-sm/fr */
  .page-products-list .products-layout {
    flex-direction: column;
    gap: 0;
  }

  .page-products-list .products-left,
  .page-products-list .products-right {
    width: 100%;
    max-width: 100%;
  }
}

@media screen and (max-width: 1024px) {
  /* 移动端：左侧只保留蓝色“分类条”，隐藏大标题条，缩小间距 */
  .page-products-list .products-left {
    display: none !important;
  }

  .page-products-list .p14-left-nav-1-tit {
    display: none;
  }

  .page-products-list .products-left .blk {
    margin-bottom: 0 !important;
  }

  /* 左侧每个分类条更紧凑 */
  .page-products-list .p14-left-nav-1-nav-one h3 {
    margin-bottom: 0 !important;
  }

  /* “联系我们”蓝条高度对齐分类条 */
  .page-products-list .cbgg-01 .tit {
    height: 50px;
    padding-top: 12px;
    box-sizing: border-box;
  }

  .page-products-list .cbgg-01 .tit i {
    line-height: 16px;
    font-size: 14px;
  }

  /* 左侧每条蓝色分类条文字：去掉桌面大外边距，改成内填充，避免拥挤/不居中 */
  .page-products-list .p14-left-nav-1-nav-one h3 a {
    margin-left: 0 !important;
    margin-right: 0 !important;
    padding-left: 18px;
    padding-right: 50px;
    /* 给右侧加号背景图留空间 */
    height: 50px;
    line-height: 50px;
    box-sizing: border-box;
    display: flex !important;
    align-items: center !important;
  }

  .page-products-list .p12-curmbs-1 span {
    line-height: 1.6;
    height: auto;
    display: inline;
  }

  .page-products-list .leftnav-z1-list {
    /* 移动端窄屏：单列更接近截图观感 */
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .page-products-list .leftnav-z1-tit {
    font-size: clamp(18px, 2.5vw, 22px);
  }

  .page-products-list .p14-left-nav-1-tit h3 {
    font-size: clamp(18px, 2.2vw, 22px);
  }

  /* 让“产品展示”也跟左侧同宽居中 */
  .page-products-list .products-right {
    width: 100% !important;
    max-width: 100%;
    margin: 0 !important;
    flex: 1 1 auto;
  }
}

@media screen and (max-width: 576px) {
  .page-products-list .products-left {
    display: none !important;
  }

  .page-products-list.blk-main {
    padding-left: 12px;
    padding-right: 12px;
    margin-bottom: 16px;
  }

  .page-products-list .p12-curmbs-1 {
    font-size: 12px;
    line-height: 1.5;
    padding-bottom: 8px;
  }

  .page-products-list .leftnav-z1-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .page-products-list .leftnav-z1-list dd {
    padding: 8px 14px;
  }

  .page-products-list .leftnav-z1-list dd h4 {
    height: auto;
    min-height: 0;
    line-height: 1.4;
    font-size: 14px;
    padding: 4px 0;
  }

  .page-products-list .leftlx {
    font-size: 13px;
    padding: 8px;
  }

  .page-products-list .cbgg-01 .tit {
    font-size: 16px;
    height: auto;
    min-height: 56px;
    padding: 12px 8px;
  }
}

/* ---------- case_list 页面：主内容区适配 ---------- */
.page-case-list.blk-main {
  box-sizing: border-box;
}

.page-case-list .leftnav-z1-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

.page-case-list .leftnav-z1-list dl {
  float: none;
  width: auto;
  max-width: none;
  margin: 0;
}

.page-case-list .leftnav-z1-list dt {
  aspect-ratio: 285 / 213;
}

.page-case-list .leftnav-z1-list dt img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media screen and (max-width: 1200px) {
  .page-case-list.blk-main {
    width: 100%;
    max-width: 100%;
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media screen and (max-width: 1024px) {
  /* 移动端不显示左侧栏 */
  .page-case-list .blk-xs.fl {
    display: none !important;
  }

  .page-case-list .blk-sm.fr {
    float: none !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .page-case-list .leftnav-z1-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}

@media screen and (max-width: 576px) {
  .page-case-list.blk-main {
    padding-left: 12px;
    padding-right: 12px;
  }

  .page-case-list .leftnav-z1-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .page-case-list .leftnav-z1-list dd {
    padding: 8px 14px;
  }

  .page-case-list .leftnav-z1-list dd h4 {
    height: auto;
    min-height: 0;
    line-height: 1.4;
    font-size: 14px;
    padding: 4px 0;
  }
}

/* ---------- header 版块：抽屉菜单 + 搜索 + 语言切换 ---------- */
/* 仅在本文件内完成移动端头部抽屉菜单适配（不依赖外部响应式 CSS/JS） */
.nav-toggle {
  display: none;
}

/* 头部工具栏：搜索 + 语言切换（仅本文件样式接管） */
header .header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  position: relative;
}

header .header_search_btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  background: #fff;
  color: #055aaf;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

header .header_search_btn:hover {
  border-color: #019fdc;
  transform: translateY(-1px);
}

header .header_search_btn svg {
  width: 18px;
  height: 18px;
  display: block;
}

header .search_box {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: min(320px, 86vw);
  z-index: 1002;
  background: #fff;
  border-radius: 14px;
  border: 1px solid #e6e6e6;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
  padding: 12px;
  box-sizing: border-box;
}

header .search_box form {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
}

header .search_box input[type="text"] {
  width: auto;
  min-width: 0;
  flex: 1 1 auto;
  border: 1px solid #dfe7ee;
  border-radius: 999px;
  background: #f8fbfd;
  height: 36px;
  padding: 0 12px;
  outline: none;
  font-size: 14px;
  color: #333;
  box-sizing: border-box;
}

header .search_box button[type="submit"] {
  flex: 0 0 auto;
  border: 0;
  outline: none;
  cursor: pointer;
  padding: 8px 14px;
  border-radius: 999px;
  background: #019fdc;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
}

header .lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid #e6e6e6;
  background: #fff;
  color: #055aaf;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

header .lang-toggle:hover {
  border-color: #019fdc;
  transform: translateY(-1px);
}

@media screen and (max-width: 1024px) {
  /* 抽屉导航工具栏：放在菜单列表上方 */
  #siteNav .header-tools {
    position: static !important;
    width: 100% !important;
    margin: 0 !important;
    margin-bottom: 12px !important;
    padding: 0 12px !important;
    z-index: 1002;
    display: flex !important;
    flex-direction: column !important;
    justify-content: flex-start !important;
    gap: 10px !important;
    text-align: left !important;
    box-sizing: border-box;
  }

  #siteNav .header-tools .header_search_btn,
  #siteNav .header-tools .lang-toggle {
    margin: 0 !important;
  }

  /* 移动端：搜索按钮改为直接显示搜索框（上下排列） */
  #siteNav .header-tools .header_search_btn {
    display: none !important;
  }

  #siteNav .search_box {
    display: block !important;
    position: static !important;
    right: auto !important;
    top: auto !important;
    width: 100% !important;
    background: #fff !important;
    border-radius: 12px !important;
    border: 1px solid #e6e6e6 !important;
    box-shadow: none !important;
    padding: 10px !important;
  }

  #siteNav .search_box form {
    width: 100% !important;
    box-sizing: border-box !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
  }

  #siteNav .search_box input[type="text"] {
    width: auto !important;
    flex: 1 1 auto !important;
    min-width: 0 !important;
  }

  #siteNav {
    display: flex !important;
    flex-direction: column !important;
  }

  #siteNav .header-tools {
    order: 0;
  }

  #siteNav .lv1 {
    order: 1;
  }
}

@media screen and (min-width: 1025px) {
  /* 桌面端：仍按原布局显示（ul 在中间，工具栏在右侧） */
  #siteNav {
    display: flex;
    align-items: center;
  }

  #siteNav > ul.lv1 {
    flex: 1 1 auto;
  }

  #siteNav .header-tools {
    flex: 0 0 auto;
    margin-left: 16px;
  }
}

/* 桌面：保持原有布局（由其它 CSS 控制） */
@media screen and (max-width: 1024px) {
  header .logo img {
    max-height: 56px;
    width: auto;
  }

  .nav-toggle {
    display: flex !important;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
    flex-shrink: 0;
    position: relative;
    z-index: 1001;
  }

  .nav-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: #055aaf;
    border-radius: 1px;
    transition: transform 0.25s, opacity 0.25s;
  }

  .nav-toggle:focus {
    outline: none;
  }

  /* 抽屉导航 */
  #siteNav {
    position: fixed !important;
    top: 0 !important;
    right: 0 !important;
    width: min(320px, 86vw) !important;
    height: 100vh !important;
    margin: 0 !important;
    padding: 64px 0 16px !important;
    background: #fff !important;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12) !important;
    z-index: 999 !important;
    transform: translateX(100%) !important;
    transition: transform 0.3s ease !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
  }

  body.nav-open #siteNav {
    transform: translateX(0) !important;
  }

  /* 菜单结构：纵向排列 */
  #siteNav .lv1 {
    display: block !important;
    width: 100% !important;
    padding: 0 10px !important;
    font-size: 15px !important;
    line-height: 1.2 !important;
  }

  #siteNav .lv1 > li {
    height: auto !important;
    border-bottom: 1px solid #eee !important;
    padding: 0 !important;
  }

  #siteNav .lv1 > li > a {
    display: block !important;
    height: 40px !important;
    padding: 0 10px !important;
    text-align: left !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    line-height: 1 !important;
  }

  /* 子菜单：直接作为常规块展示（避免依赖鼠标 hover） */
  #siteNav .lv2 {
    display: block !important;
    position: static !important;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    box-shadow: none !important;
    font-size: 14px !important;
    padding: 0 0 0 10px !important;
    margin: 0 !important;
    border-left: 0 !important;
    overflow: hidden;
    max-height: 0 !important;
    transition: max-height 0.25s ease;
  }

  #siteNav .lv1 > li.submenu-open > ul.lv2 {
    max-height: 600px !important;
    padding-bottom: 6px !important;
  }

  #siteNav .lv2 > li > a {
    display: block !important;
    display: flex !important;
    align-items: center !important;
    height: 34px !important;
    padding: 0 10px 0 10px !important;
    line-height: 1 !important;
  }

  #siteNav .lv2 > li {
    white-space: normal !important;
    text-align: left !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  /* 顶级菜单有子菜单：右侧显示 +/- */
  #siteNav .lv1 > li.has-sub > a {
    padding-right: 26px !important;
    position: relative;
  }

  #siteNav .lv1 > li.has-sub > a:after {
    content: "+";
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #055aaf;
    font-size: 18px;
    line-height: 1;
  }

  #siteNav .lv1 > li.submenu-open.has-sub > a:after {
    content: "-";
  }

  /* 汉堡 icon 动画 */
  body.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  body.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
  }

  body.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

/* ---------- news_list 页面：主内容区适配 ---------- */
.page-news-list.blk-main {
  box-sizing: border-box;
}

@media screen and (max-width: 1200px) {
  .page-news-list.blk-main {
    width: 100%;
    max-width: 100%;
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media screen and (max-width: 1024px) {
  .page-news-list .blk-xs.fl {
    display: none !important;
  }

  .page-news-list .blk-sm.fr {
    float: none !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .page-news-list .xypg-news-list li {
    margin-bottom: 16px;
    padding: 18px 16px;
  }

  .page-news-list .xypg-news-list li .tit h3 {
    padding-right: 0;
    font-size: 17px;
    line-height: 1.5;
  }

  .page-news-list .xypg-news-list li .tit .date {
    position: static;
    margin-top: -2px;
    margin-bottom: 10px;
    line-height: 1.4;
  }
}

@media screen and (max-width: 576px) {
  .page-news-list.blk-main {
    padding-left: 12px;
    padding-right: 12px;
  }

  .page-news-list .leftnav-z1-tit {
    height: auto;
    line-height: 1.4;
    font-size: 22px;
    margin-bottom: 12px;
  }

  .page-news-list .leftnav-z1-tit span {
    height: auto;
    padding-bottom: 8px;
  }

  .page-news-list .xypg-news-list li {
    padding: 14px 12px;
  }

  .page-news-list .xypg-news-list li .tit {
    margin-bottom: 10px;
  }

  .page-news-list .xypg-news-list li .tit h3 {
    font-size: 16px;
  }

  .page-news-list .xypg-news-list li .info {
    font-size: 13px;
    line-height: 1.8;
  }
}

/* ---------- about 页面：主内容区适配 ---------- */
.page-about.blk-main {
  box-sizing: border-box;
}

.page-about .nr img {
  max-width: 100%;
  height: auto;
}

@media screen and (max-width: 1200px) {
  .page-about.blk-main {
    width: 100%;
    max-width: 100%;
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media screen and (max-width: 1024px) {
  .page-about .blk-xs.fl {
    display: none !important;
  }

  .page-about .blk-sm.fr {
    float: none !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .page-about .nr {
    line-height: 1.9;
  }
}

@media screen and (max-width: 576px) {
  .page-about.blk-main {
    padding-left: 12px;
    padding-right: 12px;
  }

  .page-about .leftnav-z1-tit {
    height: auto;
    line-height: 1.4;
    font-size: 22px;
    margin-bottom: 12px;
  }

  .page-about .leftnav-z1-tit span {
    height: auto;
    padding-bottom: 8px;
  }

  .page-about .nr {
    font-size: 14px;
    line-height: 1.8;
  }
}

/* ---------- contact 页面：主内容区适配 ---------- */
.page-contact.blk-main {
  box-sizing: border-box;
}

.page-contact .nr.contact-page-body {
  word-break: break-word;
  margin: 0;
  padding: 0;
}

.page-contact .contact-hero {
  margin-bottom: 22px;
  padding: 26px 28px 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, #019fdc 0%, #0288c4 45%, #026a9e 100%);
  color: #fff;
  box-shadow: 0 10px 32px rgba(1, 159, 220, 0.28);
}

.page-contact .contact-hero-title {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

.page-contact .contact-hero-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  opacity: 0.94;
}

.page-contact .contact-map-wrap {
  margin-top: 4px;
  border-radius: 8px;
  border: 1px solid #d7eaf4;
  overflow: hidden;
  background: #f8fcff;
}

.page-contact #contact-baidu-map {
  width: 100%;
  height: 360px;
}

.page-contact .contact-map-tip {
  margin: 0;
  padding: 10px 14px;
  background: #eef7fc;
  border-top: 1px solid #d7eaf4;
  font-size: 14px;
  color: #5a6b78;
  line-height: 1.5;
}

@media screen and (max-width: 1200px) {
  .page-contact.blk-main {
    width: 100%;
    max-width: 100%;
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media screen and (max-width: 1024px) {
  .page-contact .blk-xs.fl {
    display: none !important;
  }

  .page-contact .blk-sm.fr {
    float: none !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .page-contact .nr.contact-page-body {
    line-height: 1.9;
  }
}

@media screen and (max-width: 576px) {
  .page-contact.blk-main {
    padding-left: 12px;
    padding-right: 12px;
  }

  .page-contact .leftnav-z1-tit {
    height: auto;
    line-height: 1.4;
    font-size: 22px;
    margin-bottom: 12px;
  }

  .page-contact .leftnav-z1-tit span {
    height: auto;
    padding-bottom: 8px;
  }

  .page-contact .nr.contact-page-body {
    font-size: 14px;
    line-height: 1.8;
  }

  .page-contact .contact-hero {
    padding: 20px 18px 22px;
  }

  .page-contact .contact-hero-title {
    font-size: 18px;
  }

  .page-contact .contact-hero-desc {
    font-size: 13px;
  }

  .page-contact #contact-baidu-map {
    height: 280px;
  }
}

/* ---------- products_detail 页面：主内容区适配 ---------- */
@media screen and (max-width: 1024px) {
  .page-products-detail.blk-main .blk-xs.fl {
    display: none !important;
  }

  .page-products-detail.blk-main .blk-sm.fr {
    float: none !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  /* 产品详情左侧图片：移动端改为自适应并去掉固定高留白 */
  .page-products-detail.blk-main .page-product-detail-box {
    display: block !important;
  }

  .page-products-detail.blk-main .page-product-detail-effect,
  .page-products-detail.blk-main .page-product-detail-right {
    float: none !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .page-products-detail.blk-main .page-product-detail-effect {
    margin-bottom: 14px;
  }

  .page-products-detail.blk-main .page-product-detail-effect .big-img a {
    height: auto !important;
    min-height: 0 !important;
    display: block !important;
  }

  .page-products-detail.blk-main .page-product-detail-effect .big-img a:after {
    content: none !important;
    display: none !important;
  }

  .page-products-detail.blk-main .page-product-detail-effect .big-img a img {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    margin: 0 auto;
  }

  .page-products-detail.blk-main {
    width: 100% !important;
    max-width: 100% !important;
    overflow: visible !important;
    padding-left: 16px;
    padding-right: 16px;
    box-sizing: border-box !important;
  }

  .page-products-detail.blk-main .product-detail-tab .product-detail-tabcon {
    width: 100% !important;
    max-width: 100% !important;
    overflow-wrap: break-word !important;
    word-break: break-word !important;
  }

  .page-products-detail.blk-main .product-detail-tab .product-detail-tabcon * {
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-products-detail.blk-main .product-detail-tab .product-detail-tabcon [style*="width"] {
    width: 100% !important;
    max-width: 100% !important;
  }

  .page-products-detail.blk-main .product-detail-tab .product-detail-tabcon img {
    width: auto !important;
    max-width: 100% !important;
    height: auto !important;
  }

  .page-products-detail.blk-main .product-detail-tab .product-detail-tabcon table {
    width: 100% !important;
    display: block !important;
    overflow-x: auto !important;
  }
}

@media screen and (max-width: 576px) {
  .page-products-detail.blk-main {
    width: 100% !important;
    max-width: 100% !important;
    overflow: visible !important;
    padding-left: 12px;
    padding-right: 12px;
  }
}

/* ---------- news_detail 页面：主内容区适配 ---------- */
.page-news-detail.blk-main {
  box-sizing: border-box;
}

@media screen and (max-width: 1200px) {
  .page-news-detail.blk-main {
    width: 100%;
    max-width: 100%;
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media screen and (max-width: 1024px) {
  .page-news-detail .blk-xs.fl {
    display: none !important;
  }

  .page-news-detail .blk-sm.fr {
    float: none !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .page-news-detail .nr {
    line-height: 1.9;
  }

  .page-news-detail .news_title {
    font-size: 26px;
    line-height: 1.4;
    margin-bottom: 12px;
    word-break: break-word;
  }

  .page-news-detail .news_info {
    font-size: 14px;
    line-height: 1.7;
    word-break: break-word;
    margin-bottom: 12px;
  }

  .page-news-detail #art_content img {
    max-width: 100% !important;
    height: auto !important;
  }
}

@media screen and (max-width: 576px) {
  .page-news-detail.blk-main {
    padding-left: 12px;
    padding-right: 12px;
  }

  .page-news-detail .leftnav-z1-tit {
    height: auto;
    line-height: 1.4;
    font-size: 22px;
    margin-bottom: 12px;
  }

  .page-news-detail .leftnav-z1-tit span {
    height: auto;
    padding-bottom: 8px;
  }

  .page-news-detail .news_title {
    font-size: 22px;
  }

  .page-news-detail .news_info {
    font-size: 13px;
  }

  .page-news-detail #art_content {
    font-size: 14px;
    line-height: 1.8;
  }
}