:root{--bs-c:#3d4a52;--bs-cd:#2a343a;--bs-cl:#e9edf0;--bs-tx:#2b3330;--bs-mut:#7a8681;--bs-line:#dde6e2;--bs-bg:#f6f8f9;}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:var(--bs-tx);background:#fff;font-size:15px;line-height:1.6}
a{color:inherit;text-decoration:none}img{max-width:100%;border:0}
ul{list-style:none}
.bs-wrap{max-width:1180px;margin:0 auto;padding:0 15px}
/* 顶条 */
.bs-topstrip{background:var(--bs-cd);color:#cfe7df;font-size:15px}
.bs-topstrip-in{display:flex;justify-content:space-between;align-items:center;min-height:36px}
.bs-quicksearch input{border:0;border-radius:3px 0 0 3px;padding:4px 8px;width:150px;vertical-align:middle}
.bs-quicksearch button{border:0;background:var(--bs-c);color:#fff;padding:4px 9px;border-radius:0 3px 3px 0;cursor:pointer}
/* 品牌行 */
.bs-brandrow{display:flex;justify-content:space-between;align-items:center;padding:16px 15px}
.bs-logo img{max-height:64px}
.bs-hotline{display:flex;align-items:center;gap:10px;white-space:nowrap;color:var(--bs-mut);font-size:15px}
.bs-hotline img{width:36px;height:36px;object-fit:contain}
.bs-hotline strong{color:#d0432b;font-size:22px;letter-spacing:1px}
.bs-sitedesc{flex:1;min-width:0;color:var(--bs-mut);font-size:15px;line-height:1.9;padding:0 30px;margin:0 30px;border-left:1px solid var(--bs-line);border-right:1px solid var(--bs-line)}
@media(max-width:767px){.bs-sitedesc{display:none}.bs-hotline strong{font-size:17px}.bs-hotline img{width:28px;height:28px}.bs-brandrow{flex-wrap:wrap;row-gap:6px}.bs-hotline{white-space:normal}}
/* 主导航（深色） */
.bs-mainnav{background:var(--bs-c)}
.bs-menu{display:flex;flex-wrap:wrap}
.bs-menu li a{display:block;color:#fff;padding:13px 18px;font-size:15px}
.bs-menu li a:hover{background:var(--bs-cd)}
.bs-menubtn{display:none;width:100%;background:var(--bs-cd);color:#fff;border:0;padding:11px;font-size:16px;cursor:pointer}
/* 首屏：6 图轮播（原生 JS 驱动，每张可点击跳转） */
.bs-sliderzone{position:relative;overflow:hidden;background:var(--bs-cl)}
.bs-slides{margin:0;padding:0;list-style:none}
.bs-slides li{display:none;margin:0;padding:0}
.bs-slides li.bs-on{display:block}
.bs-slides li a{display:block}
.bs-slides img{display:block;width:100%;height:auto;max-height:520px;object-fit:cover}
.bs-sliderzone .bs-prev,.bs-sliderzone .bs-next{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:44px;height:44px;border:0;border-radius:50%;background:rgba(0,0,0,.28);color:#fff;font-size:28px;line-height:44px;text-align:center;cursor:pointer;padding:0}
.bs-sliderzone .bs-prev{left:14px}
.bs-sliderzone .bs-next{right:14px}
.bs-sliderzone .bs-prev:hover,.bs-sliderzone .bs-next:hover{background:rgba(0,0,0,.5)}
.bs-dots{position:absolute;left:0;right:0;bottom:14px;z-index:5;display:flex;justify-content:center;gap:8px}
.bs-dots button{width:10px;height:10px;border:0;border-radius:50%;background:rgba(255,255,255,.55);cursor:pointer;padding:0}
.bs-dots button.bs-on{background:#fff}
/* 速览条 */
.bs-strip{background:var(--bs-bg);border-bottom:1px solid var(--bs-line)}
.bs-strip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--bs-line);padding:0}
.bs-strip-i{background:#fff;text-align:center;padding:18px 8px}
.bs-strip-i b{display:block;color:var(--bs-c);font-size:17px}
.bs-strip-i span{color:var(--bs-mut);font-size:15px}
/* 区块 */
.bs-block{margin:42px 0}
.bs-blocktitle{font-size:26px;text-align:center;letter-spacing:4px}
.bs-blocktitle a{color:var(--bs-tx)}
.bs-blocksub{text-align:center;color:var(--bs-mut);font-size:15px;letter-spacing:3px;text-transform:uppercase;margin:4px 0 26px}
.bs-blocktitle:after{content:"";display:block;width:46px;height:3px;background:var(--bs-c);margin:10px auto 0}
/* 关于 */
.bs-aboutgrid{display:grid;grid-template-columns:5fr 7fr;gap:28px;align-items:center}
.bs-abouttxt{color:#4a5551;text-align:justify}
.bs-abouttxt .bs-btn{display:inline-block;margin-top:14px}
/* 卡片栅格 */
.bs-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.bs-grid3{grid-template-columns:repeat(3,1fr)}
.bs-grid4{grid-template-columns:repeat(4,1fr)}
.bs-card{border:1px solid var(--bs-line);border-radius:6px;overflow:hidden;background:#fff;transition:.25s}
.bs-card:hover{box-shadow:0 6px 18px rgba(61,74,82,.16);transform:translateY(-3px)}
.bs-card img{width:100%;aspect-ratio:1;object-fit:cover;display:block}
.bs-card-t{padding:10px 12px;font-size:15px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* 新闻 */
.bs-newsrows li{display:grid;grid-template-columns:64px 1fr;padding:14px 6px;border-bottom:1px dashed var(--bs-line)}
.bs-newsdate{text-align:center;color:var(--bs-c)}
.bs-newsdate strong{font-size:22px;display:block;line-height:1}
.bs-newsdate i{font-style:normal;font-size:15px;color:var(--bs-mut)}
.bs-newslist em{grid-column:2;display:block;font-style:normal;color:var(--bs-mut);font-size:15px;margin-top:4px}
/* tags */
.bs-tagsbox{margin:34px 0;padding:16px;background:var(--bs-bg);border-radius:6px}
.bs-tags-t{font-weight:700;margin-right:10px;color:var(--bs-c)}
.bs-tags-l{display:inline-block;margin:4px 8px 4px 0;padding:3px 10px;background:#fff;border:1px solid var(--bs-line);border-radius:12px;font-size:15px}
/* 按钮 */
.bs-btn{display:inline-block;padding:9px 22px;border-radius:4px;background:var(--bs-c);color:#fff;font-size:15px;border:0;cursor:pointer}
.bs-btn-c{background:var(--bs-c)}
.bs-btn:hover{background:var(--bs-cd);color:#fff}
/* 页脚 */
.bs-footer{background:var(--bs-cd);color:#b9d6cd;margin-top:50px;padding:38px 0 0}
.bs-footcols{display:grid;grid-template-columns:2fr 1.8fr 1.4fr 1.8fr;gap:24px;padding-bottom:26px}
.bs-footcols h4{color:#fff;font-size:16px;margin-bottom:10px}
.bs-footcols p{font-size:15px;margin:4px 0}
.bs-footcols a:hover{color:#fff}
.bs-copyline{border-top:1px solid rgba(255,255,255,.14);padding:14px 15px;font-size:15px;color:#8fb5aa;text-align:center}
.bs-gotop{position:fixed;right:18px;bottom:78px;width:44px;height:44px;line-height:44px;text-align:center;background:var(--bs-c);color:#fff;border-radius:50%;font-size:18px;display:none;z-index:99}
/* 表单/分页（内页兼容） */
.bs-field{border:1px solid var(--bs-line);border-radius:4px;padding:8px 10px;width:100%}
.bs-pager{text-align:center;margin:26px 0}
.bs-pager a{display:inline-block;padding:7px 14px;border:1px solid var(--bs-line);margin:0 3px;border-radius:4px}
.bs-pager a:hover{background:var(--bs-c);color:#fff}
.bs-thumb{width:100%}
.bs-crumbs{text-align:right;color:var(--bs-mut);font-size:15px;margin:12px 0}
/* 内页 hero */
.bs-hero-page{background:linear-gradient(120deg,var(--bs-cl),#ffffff);padding:56px 0;color:var(--bs-cd)}
.bs-hero-page h2{font-size:28px}
/* 工具类 */
.bs-mt3{margin-top:16px}.bs-mt4{margin-top:24px}.bs-mb2{margin-bottom:8px}.bs-mb3{margin-bottom:16px}
.bs-my4{margin:26px 0}.bs-pt5{padding-top:32px}.bs-pb5{padding-bottom:32px}.bs-lh2{line-height:2}
.bs-fs18{font-size:18px}.bs-fs26{font-size:26px}.bs-fs14{font-size:15px}
.bs-txtr{text-align:right}.bs-txtc{text-align:center}.bs-txtl{color:#f8fffd}.bs-txts{color:var(--bs-mut)}
.bs-bt{border-top:1px solid var(--bs-line)}.bs-bgl{background:var(--bs-bg)}.bs-bgw{background:#fff}
.bs-onlyxs{display:none}.bs-hide-xs{}
/* 栅格（等价 bootstrap 语义） */
.bs-row{display:flex;flex-wrap:wrap;margin:0 -10px}
.bs-row>[class*="bj-"]{padding:0 10px}
.bs-xs-12{width:100%}.bs-xs-6{width:50%}
@media(min-width:768px){
  .bs-sm-3{width:25%}.bs-sm-4{width:33.3333%}.bs-sm-5{width:41.6667%}.bs-sm-7{width:58.3333%}.bs-sm-9{width:75%}.bs-sm-12{width:100%}
  .bs-hide-xs{display:block}
}
@media(max-width:767px){
  .bs-menubtn{display:block}
  .bs-menu{display:none;flex-direction:column;background:var(--bs-cd)}
  .bs-menu.bs-open{display:flex}
  .bs-grid{grid-template-columns:repeat(2,1fr)}
  .bs-aboutgrid{grid-template-columns:1fr}
  .bs-strip-grid{grid-template-columns:repeat(2,1fr)}
  .bs-footcols{grid-template-columns:repeat(2,1fr)}
  .bs-brandrow{flex-direction:row}
  .bs-onlyxs{display:block}
  .bs-hide-xs{display:none}
}
@media(min-width:992px){
  .bs-md-3{width:25%}.bs-md-4{width:33.3333%}.bs-md-5{width:41.6667%}.bs-md-6{width:50%}.bs-md-7{width:58.3333%}.bs-md-8{width:66.6667%}.bs-md-9{width:75%}.bs-md-12{width:100%}
}
/* ===== 内页兼容（旧结构重命名后的样式兜底） ===== */
.bs-topbar{background:var(--bs-cd);color:#cfe7df;font-size:15px}
.bs-topbar .bs-wrap{display:flex;justify-content:space-between;align-items:center;min-height:34px}
.bs-topname{font-weight:700}
.bs-searchbox{display:flex}
.bs-searchbox .bs-field{border:0;border-radius:3px 0 0 3px;padding:4px 8px;width:140px}
.bs-searchbox .bs-btn{border-radius:0 3px 3px 0;padding:4px 10px}
.bs-telbox{text-align:right}
.bs-teltip{font-size:15px;color:var(--bs-mut)}
.bs-telnum{font-size:20px;color:var(--bs-c);font-weight:700}
.bs-nav-def,.bs-nav{background:var(--bs-c);border:0;border-radius:0;margin-bottom:0}
.bs-navhead{display:flex;justify-content:space-between;align-items:center;min-height:52px}
.bs-navbrand{display:flex;align-items:center;color:#fff;font-size:19px;font-weight:700;padding:8px 0}
.bs-navbrand img{max-height:46px}
.bs-navtoggle{display:none}
.bs-navlist{display:flex;flex-wrap:wrap}
.bs-navlist>li>a{display:block;padding:14px 17px;color:#fff;font-size:15px}
.bs-navlist>li>a:hover,.bs-navlist>li.bs-on>a{background:var(--bs-cd);color:#fff}
.bs-sliderzone img{width:100%;display:block}
.bs-aboutbox{background:var(--bs-bg);padding:26px;border-radius:6px}
.bs-abouttxt{line-height:2;color:#4a5551}
.bs-footnav{background:var(--bs-cd);color:#b9d6cd;padding:22px 0;font-size:15px}
.bs-footnav a{color:#b9d6cd;margin:0 6px}
.bs-footnav-i a:hover,.bs-footnav a:hover{color:#fff}
.bs-copy{border-top:1px solid rgba(255,255,255,.14);text-align:center;padding:12px 0;font-size:15px;color:#8fb5aa}
.bs-more{color:var(--bs-c);font-size:15px}
/* 页脚二维码：统一 90px（原大小不一，整体缩小约 1/3） */
.bs-footqr{display:flex;gap:16px;margin-top:12px}
.bs-footqr figure{margin:0;text-align:center}
.bs-footqr img{width:90px;height:90px;object-fit:contain;display:block;background:#fff;padding:4px;border-radius:4px}
.bs-qrpage img{width:90px;height:90px;object-fit:contain;display:block;background:#fff;padding:4px;border-radius:4px}
.bs-footqr figcaption{font-size:15px;color:#8fb5aa;margin-top:5px}
/* 内页头图：neiye.jpg（1920×150）完整等比展示；首页轮播用大 banner，内页用此条幅区分 */
.page_bg{width:100%;aspect-ratio:1920/150;background-size:100% 100%!important}
.bs-hero.bs-hero-fluid{aspect-ratio:1920/150}
@media(max-width:767px){.page_bg,.bs-hero.bs-hero-fluid{aspect-ratio:auto;height:90px;background-size:cover!important;background-position:center!important}}
/* 移动端底部导航（电话咨询/微信/关于我们）+ 微信弹窗 */
.bs-mfoot{display:none}
.modal .modal-dialog img{width:180px;max-width:100%;display:block;margin:0 auto;border-radius:8px}
.modal .modal-dialog p{margin:10px 0 0;font-size:15px;color:#666;text-align:center}
@media(max-width:767px){
  html,body{overflow-x:hidden;max-width:100%}
  body{padding-bottom:54px}
  .bs-brandrow{flex-wrap:wrap;row-gap:6px}
  .bs-hotline{white-space:normal}
  .bs-mfoot{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;background:var(--bs-cd);box-shadow:0 -2px 8px rgba(0,0,0,.18)}
  .bs-mfoot a{flex:1;text-align:center;color:#fff;font-size:15px;padding:7px 0 6px;text-decoration:none;border-right:1px solid rgba(255,255,255,.16)}
  .bs-mfoot a:last-child{border-right:0}
  .bs-mfoot .mi{display:block;line-height:1;margin-bottom:3px}
  .bs-mfoot .mi>svg{display:inline-block;vertical-align:middle;width:21px;height:21px;fill:#fff;opacity:.92}
  .bs-mfoot a:active .mi>svg{opacity:1}
  .bs-mfoot a:nth-child(2) .mi>svg{width:23px;height:23px}
  .bs-topstrip-in>span{display:none}
  .bs-gotop{bottom:64px}
}
.bs-hero{background:var(--bs-cl);border-radius:0}
@media(max-width:767px){
  .bs-navhead{width:100%}
  .bs-navtoggle{display:block;background:transparent;border:1px solid rgba(255,255,255,.5);color:#fff;padding:6px 10px;border-radius:4px}
  .bs-navbody{width:100%}
  .bs-navlist{flex-direction:column;display:none}
  .bs-navlist.bs-open,.bs-navbody.bs-on .bs-navlist{display:flex}
  .bs-navlist>li>a{padding:11px 6px;border-top:1px solid rgba(255,255,255,.12)}
}
/* ===== 2026-09-18 反馈修复 ===== */
/* 1) 移动端底部导航条（旧 navbar-fixed-bottom）：整体去除 */
.bs-footbar{display:none!important}

/* 2) 内页列表：链接明显化 */
.left_h2{font-size:22px;color:var(--bs-cd);border-left:4px solid var(--bs-c);padding-left:12px;margin:6px 0 18px;line-height:1.4}
.list_news li,.left_news li{list-style:none;padding:12px 4px;border-bottom:1px dashed var(--bs-line);overflow:hidden}
.list_news a,.left_news a{color:#177a5e;font-size:15px;line-height:1.75;text-decoration:none;transition:color .15s}
.list_news a:hover,.left_news a:hover{color:var(--bs-cd);text-decoration:underline}
.news_time{float:right;color:var(--bs-mut);font-size:15px;line-height:2;margin-left:14px}

/* 3) 右侧「导航栏目」侧栏：卡片化 + 链接明显 */
.left_nav,.left_news,.list_box{background:#fff;border:1px solid var(--bs-line);border-radius:6px;padding:16px 14px;margin-bottom:20px}
.left_nav_ul,.left_snav_ul{list-style:none;margin:0;padding:0}
.left_nav_ul>li{border-bottom:1px dashed var(--bs-line)}
.left_nav_ul>li:last-child{border-bottom:0}
.biglink{display:block;padding:11px 12px;color:#2b3330;font-size:15px;text-decoration:none}
.biglink:hover{color:var(--bs-c);background:var(--bs-cl);border-radius:4px}
.menu_head{float:right;color:var(--bs-mut);font-weight:400;line-height:2.6}
.menu_body{padding:2px 0 8px}
.menu_body a{display:block;padding:7px 12px 7px 26px;color:var(--bs-c);font-size:15px;text-decoration:none}
.menu_body a:hover{color:var(--bs-cd);text-decoration:underline;background:var(--bs-cl)}
/* 顶部红色副标题改低调灰 */
.copyright_p{color:#7a8681!important;font-size:15px!important;font-weight:400;margin-left:12px}

/* 4) 分页 */
.page-num{display:inline-block;min-width:38px;padding:7px 10px;margin:0 3px;border:1px solid var(--bs-line);border-radius:4px;text-align:center;color:#2b3330;font-size:15px;text-decoration:none}
.page-num:hover{border-color:var(--bs-c);color:var(--bs-c)}
.page-num-current{background:var(--bs-c);border-color:var(--bs-c);color:#fff}

/* 5) FAQ/产品卡片：松绑 + 标题两行完整可读 */
.bs-row{margin:0 -12px}
.bs-row>[class*="bj-"]{padding:0 12px}
.bs-card{margin-bottom:22px}
.bs-card-t{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.55;padding:10px 12px 12px;min-height:56px;font-size:15px}
.bs-card-t a{color:#2b3330}
.bs-card-t a:hover{color:var(--bs-c)}
.case_img img{aspect-ratio:1;object-fit:cover}

/* 6) 首页新闻列表：整行垂直居中 + 标题加粗 */
.bs-newsrows li{align-items:center}
.bs-newsrows li a{font-weight:700;color:#22322c}
.bs-newsrows li a:hover{color:var(--bs-c)}
.bs-newsdate{grid-row:1/span 2;align-self:center;justify-self:center}
/* 7) 微信二维码弹窗（无 bootstrap 自实现） */
.modal{display:none;position:fixed;left:0;top:0;right:0;bottom:0;z-index:1050;background:rgba(42,52,58,.5);align-items:center;justify-content:center;padding:16px}
.modal.bs-open{display:flex}
.modal .modal-dialog{background:#fff;border-radius:12px;max-width:320px;width:100%;padding:20px;position:relative;box-shadow:0 12px 40px rgba(0,0,0,.25)}
.modal .modal-title{font-size:16px;font-weight:700;color:var(--bs-cd);margin-bottom:12px}
.modal .close{position:absolute;right:12px;top:8px;font-size:24px;line-height:1;color:#9aa8a2;cursor:pointer;border:0;background:none}
.modal .close:hover{color:var(--bs-cd)}
/* 8) 内页产品/FAQ 案例列表：卡片放大 + 标题两行省略 */
/* 关键：旧栅格宽度类（bj-md-4 等）在 grid 容器内必须失效，否则卡片被压成列宽的 1/4 */
.bs-grid>.bs-card{width:100%!important;max-width:100%!important;float:none!important}
.bs-grid.product_list2{grid-template-columns:repeat(3,1fr);gap:24px}
.bs-grid.product_list2 .bs-card-t{font-size:15px;min-height:52px;padding:12px 14px 14px}
.bs-grid.product_list2 .bs-card img{aspect-ratio:1/1;object-fit:cover}
@media(max-width:991px){
  .bs-grid3{grid-template-columns:repeat(2,1fr)}
  .bs-grid.product_list2{grid-template-columns:repeat(2,1fr);gap:16px}
}
@media(max-width:767px){
  .bs-grid.product_list2{grid-template-columns:repeat(2,1fr);gap:12px}
  .bs-grid.product_list2 .bs-card-t{font-size:15px;min-height:44px}
}
@media(max-width:420px){
  .bs-grid.product_list2{grid-template-columns:1fr}
}

.bs-card-d{font-size:15px;color:var(--bs-mut);text-align:center;margin:0;padding:0 12px 10px}

/* ===================== bs- business visual layer ===================== */
:root{--bs-c:#334155;--bs-cd:#0b2540;--bs-tx:#2b3035;--bs-mut:#6b7280;--bs-line:#e8eaed;
--bs-bg:#f7f8fa;--bs-sh:0 1px 2px rgba(16,24,40,.05),0 8px 24px rgba(16,24,40,.07);
--bs-sh2:0 6px 14px rgba(16,24,40,.09),0 20px 44px rgba(16,24,40,.14);}
html{-webkit-text-size-adjust:100%;overflow-x:hidden}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
font-size:16px;line-height:1.75;color:var(--bs-tx);background:#fff;overflow-x:hidden}
img{max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s}
a:hover{color:var(--bs-c)}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.35;color:#1a1f24;margin:0 0 .55em}
h1{font-size:30px}h2{font-size:27px}h3{font-size:21px}h4{font-size:18px}h5{font-size:16px}
p{font-size:16px;line-height:1.8;color:#3d444b;margin:0 0 12px}
li{font-size:16px;line-height:1.8}
small{font-size:13px}

/* --- 顶条 / 头部 --- */
.bs-topbar{background:var(--bs-cd);color:#b9c6d4;font-size:14px}
.bs-topbar>div{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;padding:8px 0}
.bs-topbar b{color:#fff;font-size:15px;letter-spacing:.4px}
.bs-hdr{background:#fff;border-bottom:1px solid var(--bs-line)}
.bs-brandrow{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:18px 0}
.bs-logo img{max-height:54px;width:auto}
.bs-sitedesc{flex:1;min-width:0;font-size:14px;line-height:1.6;color:var(--bs-mut);
  border-left:3px solid var(--bs-c);padding-left:12px;max-width:520px}
.bs-hotline{display:flex;align-items:center;gap:10px}
.bs-hotline svg{width:28px;height:28px;fill:var(--bs-c);flex:0 0 auto}
.bs-hotline img{width:28px;height:28px;flex:0 0 auto}
.bs-hll{font-size:14px;color:var(--bs-mut)}
.bs-hotline b{font-size:23px;color:var(--bs-c);letter-spacing:.5px;line-height:1}
.bs-qs{display:flex;gap:6px;min-width:240px}
.bs-qs input{flex:1;min-width:0;font-size:14px;height:38px}
.bs-nav{background:#fff;border-bottom:1px solid var(--bs-line);box-shadow:0 2px 8px rgba(16,24,40,.05);position:relative;z-index:60}
.bs-nav>div{display:flex;align-items:center;justify-content:space-between}
.bs-navlist{display:flex;flex-wrap:wrap;align-items:center;margin:0;padding:0;list-style:none}
.bs-navlist>li,.bs-navlist>a{margin:0}
.bs-navlist a{display:block;padding:16px 20px;font-size:16px;color:#2b3035;position:relative}
.bs-navlist a:hover,.bs-navlist .uk-active>a{color:var(--bs-c)}
.bs-navlist a::after{content:'';position:absolute;left:20px;right:20px;bottom:9px;height:2px;background:var(--bs-c);border-radius:2px;opacity:0;transition:opacity .18s}
.bs-navlist a:hover::after{opacity:1}
.bs-burger{display:none;background:transparent;border:0;font-size:26px;line-height:1;color:#2b3035;cursor:pointer;padding:6px 10px}

/* --- 轮播 --- */
.bs-banner{position:relative;height:420px;overflow:hidden;background:var(--bs-cd)}
.bs-bnrlist{position:absolute;inset:0;margin:0;padding:0;list-style:none;display:block}
.bs-bnrlist li{position:absolute;inset:0;opacity:0;transition:opacity .8s ease}
.bs-bnrlist li.bs-sl-on{opacity:1}
.bs-bnrlist img{width:100%;height:420px;object-fit:cover;display:block}
.bs-bnrprev,.bs-bnrnext{position:absolute;top:50%;margin-top:-26px;z-index:4;width:44px;height:52px;
  border:0;background:rgba(11,37,64,.42);color:#fff;font-size:22px;line-height:52px;cursor:pointer;transition:background .2s}
.bs-bnrprev{left:0;border-radius:0 6px 6px 0}
.bs-bnrnext{right:0;border-radius:6px 0 0 6px}
.bs-bnrprev:hover,.bs-bnrnext:hover{background:rgba(11,37,64,.72)}
.bs-bnrdots{position:absolute;left:0;right:0;bottom:18px;text-align:center;z-index:3}
.bs-bnrdots i{display:inline-block;width:10px;height:10px;margin:0 5px;border-radius:999px;background:rgba(255,255,255,.55);cursor:pointer;transition:all .2s}
.bs-bnrdots i.bs-dot-on{background:#fff;width:26px}

/* --- 一句话定位带 --- */
.bs-value{background:linear-gradient(135deg,var(--bs-cd) 0%,var(--bs-c) 100%);color:#fff;padding:46px 0;text-align:center}
.bs-value h1,.bs-value h2{color:#fff;font-size:30px;margin-bottom:10px}
.bs-value p{color:rgba(255,255,255,.92);font-size:16px;max-width:860px;margin:0 auto 10px}
.bs-value .bs-vsub{color:rgba(255,255,255,.72);font-size:15px;margin-bottom:22px}
.bs-vbtns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.bs-vbtn{display:inline-block;padding:12px 32px;border-radius:999px;font-size:16px;font-weight:600;transition:transform .18s}
.bs-vbtn:hover{transform:translateY(-2px)}
.bs-vbtn1{background:#fff;color:var(--bs-c)}
.bs-vbtn2{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.65)}

/* --- 速览条 --- */
.bs-strip{background:var(--bs-bg);border-bottom:1px solid var(--bs-line)}
.bs-strip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--bs-line)}
.bs-strip-grid>div{background:#fff;padding:22px 12px;text-align:center}
.bs-strip-grid b{display:block;font-size:17px;color:#1a1f24;margin-bottom:4px}
.bs-strip-grid span{font-size:14px;color:var(--bs-mut)}

/* --- 栅格（显式兜底：框架栅格实现差异太大，这里强制统一） --- */
.bs-grid{display:flex!important;flex-wrap:wrap!important;margin-left:0!important;margin-right:0!important}
.bs-grid>*{padding-left:10px!important;padding-right:10px!important;box-sizing:border-box;min-width:0}
.bs-col-3{width:25%!important}
.bs-col-4{width:33.3333%!important}
.bs-col-6{width:50%!important}
.bs-col-8{width:66.6667%!important}
.bs-col-12{width:100%!important}
@media(max-width:900px){.bs-col-3,.bs-col-4{width:50%!important}.bs-col-8{width:100%!important}}
@media(max-width:600px){.bs-col-3,.bs-col-4,.bs-col-6,.bs-col-8{width:100%!important}}

/* --- 区块 --- */
.bs-blk{padding:46px 0}
.bs-alt{background:linear-gradient(180deg,#fafbfc 0%,#f4f6f8 100%)}
.bs-blk-h{text-align:center;margin-bottom:36px}
.bs-blk-h h2,.bs-blk-h h3{font-size:27px;margin-bottom:6px}
.bs-blk-h h2 a:hover{color:var(--bs-c)}
.bs-blk-h h2::after,.bs-blk-h h3::after{content:'';display:block;width:54px;height:3px;margin:14px auto 0;border-radius:3px;background:var(--bs-c)}
.bs-blk-h span{display:block;font-size:12px;letter-spacing:2.5px;color:var(--bs-mut);text-transform:uppercase;margin-top:10px}

/* --- 卡片 --- */
.bs-card{display:block;background:#fff;border:1px solid var(--bs-line);border-radius:12px;overflow:hidden;
box-shadow:var(--bs-sh);transition:transform .22s ease,box-shadow .22s ease}
.bs-card:hover{transform:translateY(-5px);box-shadow:var(--bs-sh2)}
.bs-cimg{width:100%;height:180px;object-fit:cover;background:#f2f4f6;display:block}
.bs-aboutimg{width:100%;border-radius:12px;box-shadow:var(--bs-sh)}
.bs-card-b{padding:15px 16px 18px}
.bs-card-t{font-size:16px;font-weight:600;line-height:1.5;color:#1a1f24;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;max-height:3em}
.bs-card-d{font-size:15px;color:var(--bs-mut);text-align:center}
/* 内页列表卡片（源模板走类映射，只补视觉层，不改结构） */
.bs-grid .bs-card img{width:100%;height:180px;object-fit:cover;background:#f2f4f6;display:block}
.bs-card a{display:block}
.bs-card>*:first-child>a{display:block}

/* --- 标签 --- */
.bs-tagsbox{padding:46px 0;border-top:1px solid var(--bs-line)}
.bs-tagcloud{display:flex;flex-wrap:wrap;gap:9px;justify-content:center}
.bs-tagcloud a{padding:7px 15px;border:1px solid var(--bs-line);border-radius:999px;font-size:14px;color:#4b5563;background:#fff;transition:all .18s}
.bs-tagcloud a:hover{background:var(--bs-c);color:#fff;border-color:var(--bs-c)}

/* --- 页脚 --- */
.bs-ftr{background:#111827;color:#9ca3af;padding:50px 0 0}
.bs-ftr h4{color:#fff;font-size:17px;margin-bottom:14px}
.bs-ftr p,.bs-ftr li{font-size:15px;line-height:1.95;color:#9ca3af}
.bs-ftr a:hover{color:#fff}
.bs-footcols{display:grid;grid-template-columns:repeat(4,1fr);gap:34px}
.bs-ftrbot{border-top:1px solid #1f2937;margin-top:34px;padding:20px 0;text-align:center;font-size:14px;color:#6b7280}

/* --- 内页头图（清单 #6：完整显示，不裁切） --- */
.bs-hero{background:#0b2540;color:#fff;text-align:center;background-size:100% 100%!important;
  background-position:center!important;background-repeat:no-repeat!important;
  aspect-ratio:1920/150;min-height:150px;display:flex;flex-direction:column;justify-content:center;padding:0 16px}
.bs-hero h1{color:#fff;font-size:30px;margin:0}
.bs-hero p{color:rgba(255,255,255,.85);font-size:15px;margin:6px 0 0}

/* --- 页脚二维码（清单 #8） --- */
.bs-qrbox{display:flex;align-items:center;justify-content:center;gap:16px;padding:22px 0 6px}
.bs-qrbox figure{margin:0;text-align:center}
.bs-qrbox img{width:90px;height:90px;display:block;background:#fff;padding:4px;border-radius:8px}
.bs-qrbox figcaption{font-size:13px;color:#6b7280;margin-top:6px}

/* --- 通用工具 --- */
.bs-center{text-align:center}.bs-txtc{text-align:center}.bs-txtr{text-align:right}
.bs-white{color:#fff}.bs-right{float:right}.bs-inline{display:inline}
.bs-nolist{list-style:none;padding-left:0;margin-left:0}
.bs-mt2{margin-top:8px}.bs-mb5{margin-bottom:28px}.bs-mt3{margin-top:14px}.bs-mt5{margin-top:28px}
.bs-lh3{line-height:1.8}.bs-bbd{border-bottom:1px dashed var(--bs-line)}
.bs-fs20{font-size:20px}.bs-fs24{font-size:24px}.bs-fs28{font-size:28px}
.bs-on{color:var(--bs-c)}.bs-dnone{display:none}.bs-showmb{display:none}
.bs-pages{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin:26px 0}
.bs-pages a,.bs-pages span{padding:7px 14px;border:1px solid var(--bs-line);border-radius:8px;font-size:14px;color:#4b5563;background:#fff}
.bs-pages .bs-pager-a,.bs-pages a:hover{background:var(--bs-c);color:#fff;border-color:var(--bs-c)}
.bs-crumbs{font-size:14px;color:var(--bs-mut);padding:14px 0;border-bottom:1px solid var(--bs-line)}
.bs-crumbs a{color:var(--bs-mut)}.bs-crumbs a:hover{color:var(--bs-c)}
.bs-content{font-size:16px;line-height:1.85}.bs-content p{font-size:16px;line-height:1.85}
.bs-content img{max-width:100%;height:auto;border-radius:8px;margin:10px 0}
.bs-ctags{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.bs-ctags a{padding:5px 13px;border:1px solid var(--bs-line);border-radius:999px;font-size:13px;color:#4b5563}
.bs-mfoot,.bs-modal{display:none}
.bs-gotop{display:none}

/* --- 移动端 --- */
@media(max-width:900px){
  .bs-burger{display:block}
  .bs-nav>div{flex-wrap:wrap}
  .bs-navlist{display:none;flex-direction:column;width:100%;border-top:1px solid var(--bs-line)}
  .bs-navlist.bs-show{display:flex}
  .bs-navlist a{width:100%;padding:13px 4px;border-bottom:1px solid #f1f3f5}
  .bs-navlist a::after{display:none}
  .bs-brandrow{flex-wrap:wrap;gap:14px}
  .bs-qs{order:3;width:100%;min-width:0}
  .bs-banner,.bs-bnrlist img{height:200px}
  .bs-strip-grid{grid-template-columns:repeat(2,1fr)}
  .bs-footcols{grid-template-columns:repeat(2,1fr);gap:22px}
  .bs-blk{padding:34px 0}
  .bs-value h2{font-size:22px}
  .bs-hero{aspect-ratio:auto;height:96px;min-height:96px;background-size:cover!important}
  .bs-hero h1{font-size:20px}
  .bs-hero p{display:none}
  .bs-bnrprev,.bs-bnrnext{width:34px;height:42px;margin-top:-21px;line-height:42px;font-size:18px}
}
@media(max-width:767px){
  .bs-sitedesc{display:none}
  .bs-mfoot{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:90;background:#fff;
    border-top:1px solid var(--bs-line);box-shadow:0 -2px 12px rgba(16,24,40,.08)}
  .bs-mfoot a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:3px;padding:8px 0;font-size:13px;color:#4b5563}
  .bs-mfoot .mi svg{width:21px;height:21px;fill:var(--bs-c)}
  body{padding-bottom:62px}
  .bs-gotop{display:block;position:fixed;right:14px;bottom:76px;z-index:88;width:42px;height:42px;
    line-height:42px;text-align:center;border-radius:50%;background:var(--bs-c);color:#fff;font-size:20px;
    box-shadow:0 4px 14px rgba(16,24,40,.2)}
  .bs-modal{position:fixed;inset:0;z-index:120;background:rgba(0,0,0,.55);align-items:center;justify-content:center}
  .bs-modal.bs-show{display:flex}
  .bs-modal-box{background:#fff;border-radius:14px;padding:24px;text-align:center;max-width:80%}
  .bs-modal-box img{width:180px;height:180px;margin:0 auto 12px}
  .bs-modal-x{position:absolute;top:10px;right:14px;background:transparent;border:0;font-size:28px;color:#666;cursor:pointer}
}