/* ============================================================
   吉峰技术株式会社 · 二级子栏目通用样式
   复用首页绿色调（#3f7022 / #264a14）与导航结构，保证风格统一
   ============================================================ */

/* ---------- 顶部导航定制（与首页一致） ---------- */
.main-header .header-upper .auto-container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
}
.main-header .header-upper .logo{float:none;flex:0 0 auto;}
.main-header .header-upper .nav-outer{
  float:none;flex:1 1 auto;display:flex;align-items:center;justify-content:center;
  margin-top:0;padding-right:0;
}
.main-header .header-upper .nav-outer .main-menu{float:none;}
.main-header .header-upper{height:70px;padding:0;}
.main-header .header-upper .auto-container{height:100%;}
.main-header .header-upper .logo img{height:40px;width:auto;max-width:none;padding-top:0;}
.header-lang{position:static;flex:0 0 auto;height:auto;line-height:normal;margin-left:30px;}
.header-lang a{display:inline-block;padding:0 11px;font-size:16px;line-height:22px;color:#64676a;font-weight:300;font-family:'Poppins','Microsoft YaHei',sans-serif;letter-spacing:.5px;transition:all 300ms ease;}
.header-lang a + a{border-left:1px solid #ddd;}
.header-lang a:hover{color:#3f7022;}
.header-lang a.active{color:#3f7022;font-weight:600;}
.main-menu .navigation > li > a{font-size:16px;font-weight:600;text-transform:none;}
.main-menu .navigation > li{margin-right:42px;}
.main-menu .navigation > li:last-child{margin-right:0;}
@media (max-width:1140px){ .main-menu .navigation > li{margin-right:24px;} }
@media (max-width:767px){
  .main-header .header-upper{height:auto;}
  .main-header .header-upper .auto-container{display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap;position:relative;height:auto;padding:10px 12px;}
  .main-header .header-upper .auto-container:before,
  .main-header .header-upper .auto-container:after{display:none;}
  /* 语言切换：移动端折叠为图标，点击展开 */
  .main-header .header-lang{order:1;flex:0 0 auto;display:flex;align-items:center;justify-content:flex-start;margin-left:0;position:relative;}
  .header-lang-toggle{
    display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;
    border:1px solid #d7ded3;border-radius:9px;background:#fff;color:#3f7022;cursor:pointer;margin:0;
  }
  .header-lang-list{
    display:none;position:absolute;top:100%;left:0;margin-top:8px;padding:4px 0;
    flex-direction:column;align-items:stretch;background:#fff;border:1px solid #e7ede4;
    border-radius:10px;box-shadow:0 12px 30px rgba(20,40,10,.14);min-width:124px;z-index:1000;
  }
  .header-lang-check:checked ~ .header-lang-list{display:flex;}
  .main-header .header-lang .header-lang-list a{padding:11px 18px;font-size:14px;white-space:nowrap;border-left:none;}
  .main-header .header-lang .header-lang-list a + a{border-left:none;}
  /* LOGO：绝对居中（不受左右按钮宽度影响） */
  .main-header .header-upper .auto-container .logo{
    position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
    width:auto;order:2;margin:0;text-align:center;
  }
  .main-header .header-upper .logo img{height:34px;}
  /* 菜单按钮：右侧 */
  .main-header .header-upper .auto-container .nav-outer{order:3;flex:0 0 auto;display:flex;align-items:center;justify-content:flex-end;width:auto;margin:0;padding:0;position:static;}
  .main-menu{position:static;float:none;width:auto;}
  .main-menu .navbar-header{width:auto;text-align:right;}
  .main-menu .navbar-header .navbar-toggle{margin:0;}
  /* 展开菜单：全宽下拉 */
  .main-menu .navbar-collapse{position:absolute;left:0;right:0;top:100%;background:#fff;z-index:999;}
  .main-menu .navigation > li > a{font-size:15px;}
}
@media (max-width:1023px){ .header-lang{display:none;} }

/* ---------- 内页横幅 Banner ---------- */
.inner-banner{
  position:relative;
  min-height:400px;
  height:400px;
  display:flex;
  align-items:center;
  justify-content:flex-start;
  padding:0;
  background:#3f7022 url(../images/sub-intro.jpg) center center / cover no-repeat;
  text-align:left;
  color:#fff;
  overflow:hidden;
}
.inner-banner:before{
  content:'';
  position:absolute;left:0;right:0;top:0;bottom:0;
  background:linear-gradient(90deg,rgba(0,0,0,.58) 0%,rgba(0,0,0,.30) 45%,rgba(0,0,0,.08) 100%);
  pointer-events:none;
}
/* 关于我们合并页横幅：蒙版透明度更低，露出更多背景图（仅作用于该菜单） */
.inner-banner.about-banner:before{
  background:linear-gradient(90deg,rgba(0,0,0,.38) 0%,rgba(0,0,0,.16) 45%,rgba(0,0,0,.03) 100%);
}
.inner-banner .breadcrumb-nav{
  position:relative;
  font-size:14px;letter-spacing:1px;opacity:.9;margin-bottom:14px;
  font-family:'Poppins','Microsoft YaHei',sans-serif;
}
.inner-banner .breadcrumb-nav a{color:#fff;}
.inner-banner .breadcrumb-nav a:hover{text-decoration:underline;}
.inner-banner .breadcrumb-nav span{margin:0 8px;opacity:.6;}
.inner-banner h1{
  position:relative;
  font-size:clamp(30px,4.4vw,48px);margin:0;font-weight:700;letter-spacing:2px;
  font-family:'Poppins','Microsoft YaHei',sans-serif;
  text-shadow:1px 1px 2px rgba(0,0,0,.25);
}
.inner-banner .sub-en{
  position:relative;
  font-size:13px;letter-spacing:5px;text-transform:uppercase;opacity:.8;margin-top:12px;
}
.inner-banner .auto-container{text-align:left;width:100%;}
.inner-banner h1,
.inner-banner .breadcrumb-nav,
.inner-banner .sub-en{text-align:left;}
@media (max-width:767px){ .inner-banner{height:220px;min-height:220px;} }

/* ---------- 吸顶子栏目导航 ---------- */
.sub-nav{
  position:sticky;top:70px;z-index:900;
  background:#fff;border-bottom:1px solid #e7ede4;
  box-shadow:0 2px 12px rgba(0,0,0,.04);
}
.sub-nav .auto-container{padding:0 15px;}
.sub-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;}
.sub-nav li a{
  display:block;padding:16px 26px;font-size:15px;color:#4a5145;font-weight:600;
  font-family:'Poppins','Microsoft YaHei',sans-serif;
  border-bottom:3px solid transparent;transition:all .25s ease;
}
.sub-nav li a:hover,
.sub-nav li a.active,
.sub-nav li.active > a{color:#3f7022;border-bottom-color:#3f7022;}
@media (max-width:767px){
  .sub-nav{top:0;}
  .sub-nav ul{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;}
  .sub-nav li a{padding:14px 18px;white-space:nowrap;}
}

/* ---------- 内容分区 ---------- */
.sub-section{padding:72px 0;scroll-margin-top:140px;}
.sub-section.bg-soft{background:#fbfcfa;}
.sub-section .sec-title{margin-bottom:38px;}
.sub-section .sec-title h2{font-size:30px;color:#27301f;margin:0 0 8px;font-family:'Poppins','Microsoft YaHei',sans-serif;letter-spacing:1px;}
.sub-section .sec-title .text{font-size:15px;color:#7a8172;letter-spacing:1px;}

/* 图文区块 */
.sub-block{display:flex;align-items:center;gap:52px;flex-wrap:wrap;}
.sub-block.reverse{flex-direction:row-reverse;}
.sub-block .sub-img{flex:1 1 360px;min-width:0;}
.sub-block .sub-img img{width:100%;border-radius:14px;box-shadow:0 14px 38px rgba(0,0,0,.12);display:block;}
.sub-block .sub-text{flex:1 1 360px;min-width:0;}
/* 解决方案详情：左图 : 右文 = 5 : 7 */
.sub-block.solution-block{gap:48px;}
.sub-block.solution-block .sub-img{flex:5 1 0;min-width:0;}
.sub-block.solution-block .sub-text{flex:7 1 0;min-width:0;}
.sub-block .sub-text h3{font-size:24px;color:#27301f;margin:0 0 16px;font-family:'Poppins','Microsoft YaHei',sans-serif;position:relative;padding-left:16px;}
.sub-block .sub-text h3:before{content:'';position:absolute;left:0;top:6px;width:4px;height:20px;background:#3f7022;border-radius:2px;}
.sub-block .sub-text p{font-size:17px;line-height:1.95;color:#000000;margin:0 0 14px;}
/* 正文内容统一不加粗：兼容日文等内容中遗留的 <strong>/<b> 或内联加粗样式，与中/英版本保持一致 */
.sub-block .sub-text p,
.sub-block .sub-text span,
.sub-block .sub-text div,
.sub-block .sub-text strong,
.sub-block .sub-text b{font-weight:normal !important;}

/* 集团简介：左侧文字美化 —— 引言段落 + 企业文化卡片网格 */
.sub-block .sub-text .lead{font-size:18px;line-height:2;color:#3a4233;margin:0 0 18px;}
.sub-block .sub-text .culture-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:6px 0 4px;}
.sub-block .sub-text .cg-item{display:flex;align-items:flex-start;gap:14px;background:#fbfcfa;border:1px solid #e7efe3;border-radius:12px;padding:16px 18px;transition:.3s;}
.sub-block .sub-text .cg-item:hover{box-shadow:0 10px 26px rgba(63,112,34,.12);transform:translateY(-2px);}
.sub-block .sub-text .cg-item.cg-wide{grid-column:1 / -1;}
.sub-block .sub-text .cg-num{flex:0 0 44px;width:44px;height:44px;display:flex;align-items:center;justify-content:center;font-family:'Poppins',sans-serif;font-size:15px;font-weight:700;color:#fff;background:#3f7022;border-radius:12px 4px 12px 4px;box-shadow:0 6px 14px rgba(63,112,34,.22);}
.sub-block .sub-text .cg-body h4{margin:0 0 4px;font-size:16px;font-weight:700;color:#27301f;font-family:'Poppins','Microsoft YaHei',sans-serif;}
.sub-block .sub-text .cg-body p{margin:0;font-size:14px;line-height:1.7;color:#5f665b;}

/* 集团荣誉：左侧荣誉列表美化（与集团简介文化卡片风格统一） */
.sub-block .sub-text .honor-list{list-style:none;margin:6px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.sub-block .sub-text .honor-item{display:flex;align-items:center;gap:12px;background:#fbfcfa;border:1px solid #e7efe3;border-radius:12px;padding:14px 16px;transition:.3s;}
.sub-block .sub-text .honor-item:hover{box-shadow:0 10px 26px rgba(63,112,34,.12);transform:translateY(-2px);border-color:#cfe0c4;}
.sub-block .sub-text .honor-ico{flex:0 0 34px;width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:9px 3px 9px 3px;background:#3f7022;color:#fff;font-size:15px;line-height:1;box-shadow:0 6px 14px rgba(63,112,34,.18);}
.sub-block .sub-text .honor-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:6px;}
.sub-block .sub-text .honor-name{font-size:15px;line-height:1.4;color:#2f3728;font-weight:600;font-family:'Poppins','Microsoft YaHei',sans-serif;}
.sub-block .sub-text .honor-role{display:inline-block;align-self:flex-start;font-size:12px;line-height:1;color:#3f7022;background:rgba(63,112,34,.10);border:1px solid rgba(63,112,34,.22);border-radius:20px;padding:4px 10px;}

@media (max-width:767px){
  .sub-block,.sub-block.reverse{flex-direction:column;gap:24px;align-items:stretch;}
  .sub-block .sub-img{width:100%;}
  .sub-block .sub-text .culture-grid{grid-template-columns:1fr;}
  .sub-block .sub-text .cg-item.cg-wide{grid-column:auto;}
  .sub-block .sub-text .honor-list{grid-template-columns:1fr;}
  /* 文字样式随屏自适应：缩小字号、允许长词换行，避免横向溢出 */
  .sub-block .sub-text p{font-size:15px;line-height:1.8;word-break:break-word;}
  .sub-block .sub-text .lead{font-size:16px;}
  .sub-block .sub-text h3{font-size:20px;}
  .sub-block .sub-text img{max-width:100%;height:auto;}
  .sub-block .sub-text .honor-name{font-size:14px;line-height:1.35;}
  .sub-block .sub-text .honor-role{font-size:11px;}
  /* 荣誉/证书图集：占满宽度，高度由图片自然撑开（避免上下留白） */
  .culture-carousel.art-gallery{margin:0 auto;}
  .honor-list li{font-size:14px;}
}

/* 数据卡片 */
.stat-grid{display:flex;flex-wrap:wrap;gap:24px;margin-top:14px;}
.stat-card{
  flex:1 1 200px;background:#fff;border:1px solid #e7ede4;border-radius:14px;
  padding:30px 24px;text-align:center;box-shadow:0 8px 24px rgba(63,112,34,.06);
  transition:transform .35s ease,box-shadow .35s ease;
}
.stat-card:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(63,112,34,.14);}
.stat-card .num{font-size:34px;font-weight:700;color:#3f7022;font-family:'Poppins',sans-serif;line-height:1.1;}
.stat-card .num small{font-size:16px;font-weight:600;margin-left:2px;}
.stat-card .label{font-size:14px;color:#5f665b;margin-top:8px;}

/* 荣誉列表 */
.honor-list{list-style:none;margin:24px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:16px;}
.honor-list li{
  flex:1 1 260px;background:#fff;border-left:4px solid #3f7022;border-radius:8px;
  padding:16px 20px;font-size:15px;color:#3a4233;box-shadow:0 6px 18px rgba(0,0,0,.05);
}
.honor-list li b{color:#3f7022;}

/* 产品参数表 */
.spec-list{list-style:none;margin:18px 0 0;padding:0;}
.spec-list li{display:flex;padding:10px 0;border-bottom:1px dashed #e4ecdf;font-size:14px;color:#5f665b;}
.spec-list li:last-child{border-bottom:none;}
.spec-list li .k{flex:0 0 110px;color:#27301f;font-weight:600;}
.spec-list li .v{flex:1;}

/* 联系卡片 + 地图（限定在 .contact-wrap 内，避免影响首页/二级页 footer 的联系方式样式） */
.contact-wrap{display:flex;flex-wrap:wrap;gap:40px;align-items:stretch;}
.contact-wrap .contact-info{flex:1 1 320px;background:#fff;border:1px solid #e7ede4;border-radius:14px;padding:32px;box-shadow:0 10px 30px rgba(0,0,0,.06);}
.contact-wrap .contact-info h3{font-size:22px;color:#27301f;margin:0 0 8px;font-family:'Poppins','Microsoft YaHei',sans-serif;}
.contact-wrap .contact-info .sub{font-size:13px;color:#9aa093;letter-spacing:1px;margin-bottom:18px;}
.contact-wrap .contact-info ul{list-style:none;margin:0;padding:0;}
.contact-wrap .contact-info li{padding:12px 0;border-bottom:1px solid #eef2ec;font-size:15px;color:#5f665b;display:flex;align-items:flex-start;gap:12px;}
.contact-wrap .contact-info li:last-child{border-bottom:none;}
.contact-wrap .contact-info li .ic{flex:0 0 22px;color:#3f7022;font-size:18px;line-height:1.5;}
.contact-wrap .contact-info li a{color:#5f665b;}
.contact-wrap .contact-info li a:hover{color:#3f7022;}
.contact-map{flex:1 1 420px;min-height:340px;border-radius:14px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.08);background:#eef2ec;}
.contact-map iframe{width:100%;height:100%;min-height:360px;border:0;display:block;}
@media (max-width:767px){ .contact-wrap{gap:24px;} .contact-map{min-height:280px;} }

/* 在线留言表单：与“联系我们”板块视觉风格保持一致（白卡片 / 绿色主调 / 圆角） */
.contact-form-wrap{max-width:860px;margin:0 auto;}
.contact-form .form-row{display:flex;flex-wrap:wrap;gap:22px;}
.contact-form .form-group{flex:1 1 240px;min-width:0;display:flex;flex-direction:column;margin-bottom:18px;}
.contact-form .form-group.full{flex-basis:100%;}
.contact-form .form-group label{font-size:14px;color:#27301f;margin-bottom:8px;font-weight:600;}
.contact-form .form-group input,
.contact-form .form-group textarea{
  width:100%;padding:12px 14px;font-size:15px;color:#27301f;font-family:inherit;
  background:#fff;border:1px solid #dfe3da;border-radius:10px;outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.contact-form .form-group input:focus,
.contact-form .form-group textarea:focus{border-color:#3f7022;box-shadow:0 0 0 3px rgba(63,112,34,.12);}
.contact-form .form-group textarea{resize:vertical;min-height:150px;}
.contact-form .btn-submit{
  display:inline-block;padding:13px 40px;font-size:16px;color:#fff;cursor:pointer;
  background:#3f7022;border:none;border-radius:30px;font-family:inherit;
  transition:background .2s,transform .1s;
}
.contact-form .btn-submit:hover{background:#325c1b;}
.contact-form .btn-submit:active{transform:translateY(1px);}

/* 提交结果提醒（成功 / 失败） */
.form-msg{padding:14px 18px;border-radius:10px;margin-bottom:22px;font-size:15px;line-height:1.6;}
.form-msg.success{background:#eaf6e6;color:#2e6b1c;border:1px solid #bfe0b3;}
.form-msg.error{background:#fdecec;color:#b02a2a;border:1px solid #f3c2c2;}
@media (max-width:767px){
  .contact-form .form-row{gap:0;}
  .contact-form .form-group.full{margin-bottom:18px;}
}

/* 返回栏目列表的提示 */
.sub-tip{text-align:center;padding:0 0 70px;}
.sub-tip .theme-btn{margin-top:6px;}

/* 当前栏目高亮（与首页风格协调） */
.main-menu .navigation > li.current > a{color:#3f7022;}

/* ---------- 产品网格（每排2个） ---------- */
.product-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:30px;
}
.product-card{
  position:relative;
  display:block;
  overflow:hidden;
  border-radius:14px;
  background:#fff;
  border:1px solid #e7ede4;
  box-shadow:0 8px 24px rgba(63,112,34,.06);
  text-decoration:none;
  color:#27301f;
  transition:transform .35s ease, box-shadow .35s ease;
}
.product-card:hover{
  transform:translateY(-6px);
  box-shadow:0 16px 36px rgba(63,112,34,.14);
  color:#27301f;
}
.product-card .pc-media{
  position:relative;
  height:364px;
  overflow:hidden;
}
.product-card .pc-media img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .6s ease;
}
.product-card:hover .pc-media img{transform:scale(1.06);}
.product-card .pc-overlay{
  position:absolute;left:0;right:0;bottom:0;
  padding:22px 24px;
  background:linear-gradient(180deg,rgba(0,0,0,0) 0%,rgba(0,0,0,.62) 100%);
  color:#fff;
}
.product-card .pc-overlay h4{
  margin:0 0 6px;font-size:19px;font-weight:600;
  font-family:'Poppins','Microsoft YaHei',sans-serif;
}
.product-card .pc-overlay p{
  margin:0 0 8px;font-size:13px;line-height:1.6;opacity:.92;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.product-card .pc-more{
  font-size:13px;font-weight:600;color:#cdebc0;
}
.product-card .pc-more i{margin-left:4px;}
@media (max-width:767px){
  .product-grid{grid-template-columns:1fr;gap:20px;}
  .product-card .pc-media{height:280px;}
}

/* ---------- 产品详情：图片在上、正文在下 ---------- */
.product-detail .detail-body{max-width:920px;margin:0 auto;}
.product-detail .detail-img{
  margin:0 0 32px;
  border-radius:14px;overflow:hidden;
  box-shadow:0 14px 38px rgba(0,0,0,.12);
}
.product-detail .detail-img img{width:100%;height:auto;display:block;}
.product-detail .detail-content{
  font-size:17px;line-height:1.95;color:#000000;
  max-width:1000px;margin:0 auto;
}
.product-detail .detail-content :is(h1,h2,h3,h4){
  color:#27301f;margin:22px 0 12px;font-family:'Poppins','Microsoft YaHei',sans-serif;
}
.product-detail .detail-content p{margin:0 0 16px;}
.product-detail .detail-content img{max-width:100%;height:auto;border-radius:10px;}
.product-detail .detail-content .spec-list li .k{flex:0 0 130px;}
.product-detail .detail-actions{margin-top:30px;display:flex;justify-content:center;gap:16px;flex-wrap:wrap;}
@media (max-width:767px){
  .product-detail .detail-body{max-width:100%;}
  .product-detail .detail-img{margin-bottom:24px;}
  .product-detail .detail-actions{flex-direction:column;}
  .product-detail .detail-actions .theme-btn{width:100%;text-align:center;}
}

/* ---------- 产品详情：顶部分类标签 + 左侧产品导航 ---------- */
.prod-cat-nav{
  position:sticky;top:70px;z-index:900;
  background:#fff;border-bottom:1px solid #e7ede4;
  box-shadow:0 2px 12px rgba(0,0,0,.04);
}
.prod-cat-nav .auto-container{padding:0 15px;}
.prod-cat-nav .cat-tabs{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:6px;}
.prod-cat-nav .cat-tab a{
  display:block;padding:14px 22px;font-size:15px;color:#4a5145;font-weight:600;
  font-family:'Poppins','Microsoft YaHei',sans-serif;
  border-bottom:3px solid transparent;transition:all .25s ease;
}
.prod-cat-nav .cat-tab a:hover{color:#3f7022;}
.prod-cat-nav .cat-tab.active a{color:#3f7022;border-bottom-color:#3f7022;}
@media (max-width:767px){
  .prod-cat-nav{top:0;}
  .prod-cat-nav .cat-tabs{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;}
  .prod-cat-nav .cat-tab a{padding:12px 16px;white-space:nowrap;}
}

/* 左侧列表 + 右侧内容 */
.prod-layout{display:flex;gap:40px;align-items:flex-start;margin-top:8px;}
.prod-sidebar{
  flex:0 0 300px;position:sticky;top:140px;
  background:#fff;border:1px solid #e7ede4;border-radius:14px;
  padding:20px 0;box-shadow:0 8px 24px rgba(63,112,34,.05);
  align-self:flex-start;
}
.prod-sidebar .sidebar-title{
  font-size:16px;font-weight:700;color:#27301f;letter-spacing:1px;
  padding:0 26px 14px;margin-bottom:10px;border-bottom:1px solid #eef2ec;
  font-family:'Poppins','Microsoft YaHei',sans-serif;
}
.prod-nav-list{list-style:none;margin:0;padding:0;}
.prod-nav-list li a{
  display:block;padding:13px 26px;font-size:16px;color:#5f665b;line-height:1.5;
  border-left:3px solid transparent;transition:all .2s ease;
}
.prod-nav-list li a:hover{background:#f4f8f1;color:#3f7022;border-left-color:#bcd9ab;}
.prod-nav-list li.active a{
  background:#f1f7ec;color:#3f7022;font-weight:600;border-left-color:#3f7022;
}
.prod-main{flex:1;min-width:0;}
.prod-main .sec-title{margin-bottom:30px;}
.prod-main .sec-title h2{text-transform:none;}
.prod-main .detail-body{max-width:100%;}
@media (max-width:900px){
  .prod-layout{flex-direction:column;gap:24px;}
  .prod-sidebar{flex:1 1 auto;width:100%;position:static;}
  .prod-sidebar .sidebar-title{border-bottom:none;padding-bottom:8px;}
  .prod-nav-list{display:flex;flex-wrap:wrap;gap:8px;padding:0 14px 8px;}
  .prod-nav-list li a{border-left:none;border:1px solid #e7ede4;border-radius:20px;padding:8px 16px;}
  .prod-nav-list li a:hover{border-color:#bcd9ab;}
  .prod-nav-list li.active a{border-color:#3f7022;background:#f1f7ec;}
}

/* ---------- 产品画廊（主图 + 缩略图） ---------- */
.product-gallery{margin:0 auto 32px;max-width:800px;}
.product-gallery .gallery-main{
  border-radius:14px;overflow:hidden;
  box-shadow:0 14px 38px rgba(0,0,0,.12);background:#f7f9f5;
}
.product-gallery .gallery-main img{
  width:100%;height:auto;display:block;max-height:560px;object-fit:contain;
}
.product-gallery .gallery-thumbs{
  display:flex;gap:12px;margin-top:14px;flex-wrap:wrap;
}
.product-gallery .gallery-thumb{
  width:112px;height:82px;padding:0;border:2px solid transparent;border-radius:10px;
  overflow:hidden;cursor:pointer;background:none;
  transition:border-color .25s ease,transform .25s ease;
}
.product-gallery .gallery-thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.product-gallery .gallery-thumb:hover{transform:translateY(-2px);}
.product-gallery .gallery-thumb.active{border-color:#3f7022;}
/* 视频区块 */
.product-video{
  margin:0 auto 32px;max-width:800px;border-radius:14px;overflow:hidden;
  box-shadow:0 14px 38px rgba(0,0,0,.12);background:#000;
}
.product-video video{width:100%;display:block;background:#000;aspect-ratio:16/9;max-height:560px;object-fit:contain;}
.product-video .video-frame{position:relative;width:100%;padding-top:56.25%;}
.product-video .video-frame iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0;display:block;}
@media (max-width:767px){
  .product-gallery .gallery-main img{max-height:360px;}
  .product-gallery .gallery-thumbs{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;}
  .product-gallery .gallery-thumb{flex:0 0 auto;}
}

/* 小于1024时隐藏页脚导航列，仅保留LOGO+联系方式与底部版权（与首页一致） */
@media (max-width:1023px){
  .hide-below-1024{display:none !important;}
  .footer-upper .col-md-6{width:100%;}
}

/* 返回顶部按钮 */
.scroll-to-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;line-height:46px;
  text-align:center;background:#3f7022;color:#fff;border-radius:50%;
  box-shadow:0 6px 18px rgba(63,112,34,.35);opacity:0;visibility:hidden;
  transition:all .3s ease;z-index:999;font-size:18px;
}
.scroll-to-top.show{opacity:1;visibility:visible;}
.scroll-to-top:hover{background:#264a14;color:#fff;}

/* 大屏（≥1500px）下容器宽度与首页保持一致（首页内联样式中有同名规则，二级页通过 subpage.css 补齐） */
@media (min-width:1500px){
  .auto-container{max-width:1500px;}
}