/* ============================================================
   广西丰木运输有限公司 — 全站样式
   还原参考站 demoall2.5fa.cn/6684 (cavan 蓝主题)
   主色 #2e66d2 / 深色 #2553A9 / 导航蓝 #2B62CD / 悬停 #3d79ef
   ============================================================ */

/* ---------- 全局 reset / 基础 ---------- */
*{margin:0;padding:0;box-sizing:border-box;}
html{ -webkit-text-size-adjust:100%; }
body{
  font-family:"Microsoft YaHei","微软雅黑","Helvetica Neue",Helvetica,Arial,sans-serif;
  font-size:14px; line-height:1.8; color:#484848; background:#fff; overflow-x:hidden;
}
a{ color:#333; text-decoration:none; transition:color .25s ease; }
a:hover{ color:#2e66d2; }
img{ max-width:100%; border:0; vertical-align:middle; }
ul,ol{ list-style:none; }
h1,h2,h3,h4,h5,h6{ font-weight:normal; }
.clearfix::after{ content:""; display:block; clear:both; }
.body{ width:100%; overflow:hidden; }

/* 通用容器 */
.w-container{ width:100%; }
.row{ max-width:1200px; margin:0 auto; padding:0 15px; position:relative; }

/* ---------- 顶部信息栏 + 导航（topbox 包裹） ---------- */
.topbox{ position:absolute; top:0; left:0; right:0; z-index:100; transition:background .3s ease; }
.topbox.scrolled{ background:rgba(20,30,50,.94); box-shadow:0 2px 12px rgba(0,0,0,.25); }
.topbox.solid{ position:relative; background:#1f2a3d; box-shadow:0 2px 8px rgba(0,0,0,.15); }
.sr-only{ position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0; white-space:nowrap; }
.topbar{ background:#2B62CD; color:#fff; font-size:12px; }
.topbar .row{ display:flex; justify-content:space-between; align-items:center; height:34px; }
.topbar-info{ display:flex; align-items:center; }
.topbar-info span{ margin-right:22px; }
.topbar-info i{ margin-right:6px; color:#cdddf7; }
.topbar-info a{ color:#fff; }
.topbar-info a:hover{ color:#eaf1ff; }
.topbar-right{ display:flex; align-items:center; }
.topbar-right span{ margin-left:18px; }
.topbar-right i{ margin-right:5px; color:#cdddf7; }

.header-main{ padding:18px 0; }
.header-main .row{ display:flex; align-items:center; justify-content:space-between; }
/* logo */
.col-logo{ flex:0 0 auto; }
.logo{ display:flex; align-items:center; }
.logo-icon{ width:54px; height:54px; flex:0 0 54px; }
.logo-text{ margin-left:12px; line-height:1.1; }
.logo-name{ font-size:26px; font-weight:bold; color:#fff; letter-spacing:1px; }
.logo-sub{ font-size:12px; color:#cdddf7; letter-spacing:3px; margin-top:4px; }

/* 主导航（蓝色圆角条） */
.col-right{ flex:1 1 auto; display:flex; justify-content:flex-end; align-items:center; }
.menubox{ background:#2B62CD; border-radius:5px; margin-top:0; overflow:visible; }
.nav{ }
.nav-inner{ display:flex; }
.nav-item{ position:relative; }
.nav-link{
  display:block; color:#fff; font-size:15px; padding:0 22px; line-height:46px;
  min-width:96px; text-align:center; position:relative;
}
.nav-item:first-child .nav-link{ border-top-left-radius:5px; border-bottom-left-radius:5px; }
.nav-item:last-child .nav-link{ border-top-right-radius:5px; border-bottom-right-radius:5px; }
.nav-link .caret{ margin-left:5px; font-size:11px; }
.nav-item:hover > .nav-link,.nav-item.active > .nav-link{ background:#3d79ef; color:#fff; }
.submenu{
  position:absolute; top:46px; left:0; min-width:170px; background:#2e66d2;
  border-radius:0 0 4px 4px; box-shadow:0 4px 12px rgba(0,0,0,.18);
  padding:6px 0; opacity:0; visibility:hidden; transform:translateY(8px); transition:all .25s ease; z-index:120;
}
.nav-item:hover > .submenu{ opacity:1; visibility:visible; transform:translateY(0); }
.submenu a{ display:block; color:#fff; font-size:13px; padding:9px 20px; }
.submenu a:hover{ background:#3d79ef; color:#fff; }

/* 头部电话徽章（桌面） */
.nav-phone{ display:none; }

/* 汉堡按钮（移动端） */
.mobile-toggle{
  display:none; width:44px; height:44px; background:none; border:0; cursor:pointer;
  color:#fff; font-size:26px; line-height:44px; text-align:center;
}

/* 移动抽屉（默认隐藏，gotcha #8） */
.m-drawer,.m-overlay{ display:none; }

/* ---------- Banner 轮播 ---------- */
.bannerBox{ position:relative; width:100%; }
.banner{ position:relative; width:100%; overflow:hidden; }
.bxslider{ width:100%; }
.slide{ width:100%; position:relative; display:none; }
.slide.active{ display:block; }
.slide-img{ width:100%; height:600px; object-fit:cover; display:block; }
.slide-mask{ position:absolute; left:0; top:0; right:0; bottom:0; background:linear-gradient(90deg, rgba(20,40,90,.55) 0%, rgba(20,40,90,.15) 60%, rgba(20,40,90,0) 100%); }
.slide-text{
  position:absolute; left:0; top:0; bottom:0; width:100%; max-width:1200px; margin:0 auto;
  display:flex; flex-direction:column; justify-content:center; padding:0 15px; color:#fff;
}
.slide-text .st-tag{ font-size:13px; letter-spacing:6px; color:#cdddf7; margin-bottom:14px; text-transform:uppercase; }
.slide-text h2{ font-size:46px; font-weight:bold; line-height:1.3; text-shadow:0 2px 10px rgba(0,0,0,.3); }
.slide-text .st-sub{ font-size:20px; margin-top:16px; color:#eaf1ff; max-width:640px; }
.slide-text .st-btn{
  display:inline-block; margin-top:28px; padding:11px 32px; background:#2e66d2; color:#fff;
  border-radius:3px; font-size:15px; width:max-content; border:2px solid #2e66d2; transition:all .25s ease;
}
.slide-text .st-btn:hover{ background:#3d79ef; border-color:#3d79ef; color:#fff; }
.banner-dots{ position:absolute; left:0; right:0; bottom:22px; text-align:center; z-index:5; }
.banner-dots .dot{ display:inline-block; width:12px; height:12px; margin:0 5px; background:rgba(255,255,255,.6); border-radius:50%; cursor:pointer; transition:all .25s ease; }
.banner-dots .dot.active{ background:#2e66d2; width:30px; border-radius:6px; }

/* ---------- 区块标题 ---------- */
.sec-title{ text-align:center; margin-bottom:34px; }
.sec-title .sec-h{ display:inline-block; position:relative; padding:0 56px; }
.sec-title .sec-h::before,.sec-title .sec-h::after{
  content:""; position:absolute; top:50%; width:40px; height:2px; background:#2e66d2;
}
.sec-title .sec-h::before{ left:0; }
.sec-title .sec-h::after{ right:0; }
.sec-title h2{ font-size:28px; font-weight:bold; color:#232323; }
.sec-title .en{ display:block; font-size:15px; color:#999; letter-spacing:3px; margin-top:6px; text-transform:uppercase; }
/* 左对齐带左竖线变体 (w-title7 lineborder) */
.sec-title.left{ text-align:left; margin-bottom:22px; }
.sec-title.left .sec-h{ padding:0 0 0 14px; }
.sec-title.left .sec-h::before,.sec-title.left .sec-h::after{ display:none; }
.sec-title.left .sec-h{ border-left:4px solid #2e66d2; }
.sec-title.left .en{ font-size:13px; margin-top:4px; }
.sec-title .more{ position:absolute; right:0; top:0; bottom:0; margin:auto; height:20px; font-size:13px; color:#999; }
.sec-title.left .more{ right:15px; }

/* ---------- 主内容 ---------- */
.main{ width:100%; }
.section{ padding:60px 0; }
.section.bg-gray{ background:#f7f9fc; }
.sec-in{ max-width:1200px; margin:0 auto; padding:0 15px; width:100%; }

/* 服务领域 / 产品卡片网格 */
.services{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; width:100%; }
.service-card{
  background:#fff; border:1px solid #eee; border-radius:6px; overflow:hidden;
  transition:all .3s ease; display:flex; flex-direction:column;
}
.service-card:hover{ box-shadow:0 10px 30px rgba(46,102,210,.16); transform:translateY(-6px); border-color:#cdddf7; }
.service-img{ width:100%; height:210px; overflow:hidden; position:relative; }
.service-img img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.service-card:hover .service-img img{ transform:scale(1.06); }
.service-img .svc-no{
  position:absolute; left:0; top:0; width:42px; height:42px; background:rgba(46,102,210,.92);
  color:#fff; font-size:15px; line-height:42px; text-align:center; font-weight:bold;
}
.service-body{ padding:18px 20px 22px; flex:1; display:flex; flex-direction:column; }
.service-title{ font-size:18px; font-weight:bold; color:#232323; margin-bottom:8px; }
.service-title a{ color:#232323; }
.service-title a:hover{ color:#2e66d2; }
.service-desc{ font-size:13px; color:#888; line-height:1.7; flex:1; }
.service-more{ margin-top:14px; font-size:13px; color:#2e66d2; }
.service-more i{ margin-left:4px; }

/* ---------- 两列布局 (61.6% / 38.4%) ---------- */
.twocol{ width:100%; display:flex; gap:34px; align-items:flex-start; width:100%; }
.twocol-left{ flex:0 0 61.6%; max-width:61.6%; }
.twocol-right{ flex:0 0 38.4%; max-width:38.4%; }
.pad{ }

/* 新闻特色条目 (w-adNews6 adNewsF) */
.news-feature{
  display:flex; background:#fff; border:1px solid #eee; border-radius:6px; overflow:hidden; margin-bottom:18px;
}
.news-feature-img{ flex:0 0 46%; max-width:46%; overflow:hidden; }
.news-feature-img img{ width:100%; height:100%; min-height:170px; object-fit:cover; }
.news-feature-body{ flex:1; padding:18px 20px; }
.news-feature-body .date{ color:#2e66d2; font-size:13px; margin-bottom:6px; }
.news-feature-body .date b{ font-size:20px; font-weight:bold; margin-right:4px; }
.news-feature-body h3{ font-size:17px; font-weight:bold; color:#232323; margin-bottom:8px; line-height:1.5; }
.news-feature-body h3 a{ color:#232323; }
.news-feature-body h3 a:hover{ color:#2e66d2; }
.news-feature-body p{ font-size:13px; color:#888; line-height:1.7; }

/* 新闻小列表 (adNewsTL) */
.news-list-mini{ }
.news-list-mini li{
  border-bottom:1px dashed #e5e5e5; padding:13px 0; display:flex; justify-content:space-between; align-items:center;
}
.news-list-mini li:last-child{ border-bottom:0; }
.news-list-mini .nm-title{ flex:1; font-size:14px; color:#484848; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; padding-right:12px; }
.news-list-mini .nm-title a{ color:#484848; }
.news-list-mini .nm-title a:hover{ color:#2e66d2; }
.news-list-mini .nm-date{ flex:0 0 auto; font-size:13px; color:#aaa; }

/* 关于我们区块 */
.about-block{ }
.about-img{ width:100%; height:200px; overflow:hidden; border-radius:6px; margin-bottom:16px; }
.about-img img{ width:100%; height:100%; object-fit:cover; }
.about-text{ font-size:13px; color:#777; line-height:1.9; margin-bottom:16px; text-indent:2em; }
.about-more{
  display:inline-block; padding:8px 22px; background:#2e66d2; color:#fff; border-radius:3px; font-size:13px;
  border:2px solid #2e66d2; transition:all .25s ease;
}
.about-more:hover{ background:#2553A9; border-color:#2553A9; color:#fff; }

/* ---------- 展示带 / 亮点数据（居中大图区） ---------- */
.showcase{ position:relative; width:100%; }
.showcase-bg{ position:absolute; inset:0; }
.showcase-bg img{ width:100%; height:100%; object-fit:cover; }
.showcase-mask{ position:absolute; inset:0; background:rgba(20,40,90,.78); }
.stats{ position:relative; z-index:2; display:flex; flex-wrap:wrap; justify-content:space-between; padding:54px 15px; max-width:1200px; margin:0 auto; width:100%; }
.stat-item{ flex:1; min-width:150px; text-align:center; color:#fff; padding:10px 8px; }
.stat-item .num{ font-size:40px; font-weight:bold; color:#fff; line-height:1.1; }
.stat-item .num small{ font-size:18px; margin-left:2px; }
.stat-item .lbl{ font-size:14px; color:#cdddf7; margin-top:8px; letter-spacing:1px; }

/* ---------- 合作伙伴 ---------- */
.partners{ }
.partner-grid{ display:grid; grid-template-columns:repeat(6,1fr); gap:18px; width:100%; }
.partner-cell{
  height:74px; display:flex; align-items:center; justify-content:center; background:#fff;
  border:1px solid #eee; border-radius:5px; font-size:14px; color:#666; text-align:center; padding:0 8px;
  transition:all .25s ease;
}
.partner-cell:hover{ border-color:#2e66d2; color:#2e66d2; box-shadow:0 4px 14px rgba(46,102,210,.12); }
.partner-cell i{ font-size:22px; margin-right:8px; color:#2e66d2; }

/* ---------- 页脚 ---------- */
.footer{ background:#1a2233; color:#b8c2d4; padding:54px 0 0; }
.footer a{ color:#b8c2d4; }
.footer a:hover{ color:#fff; }
.foot-main{ display:flex; flex-wrap:wrap; gap:30px; max-width:1200px; margin:0 auto; padding:0 15px; width:100%; }
.foot-col{ flex:1; min-width:180px; }
.foot-col.foot-about{ flex:1.6; min-width:240px; }
.foot-col.foot-contact{ flex:1.4; min-width:240px; }
.foot-col.foot-qr{ flex:0 0 130px; }
.foot-title{ color:#fff; font-size:16px; font-weight:bold; margin-bottom:20px; padding-bottom:10px; border-bottom:1px solid #2c3650; position:relative; }
.foot-title::after{ content:""; position:absolute; left:0; bottom:-1px; width:40px; height:2px; background:#2e66d2; }
.foot-about p{ font-size:13px; line-height:1.9; color:#9aa4b8; }
.foot-logo{ display:flex; align-items:center; margin-bottom:14px; }
.foot-logo .logo-icon{ width:42px; height:42px; flex:0 0 42px; }
.foot-logo .logo-name{ color:#fff; font-size:20px; }
.foot-links li,.foot-navlist li{ margin-bottom:10px; font-size:13px; }
.foot-links li a,.foot-navlist li a{ color:#9aa4b8; }
.foot-links li a:hover,.foot-navlist li a:hover{ color:#fff; padding-left:4px; }
.foot-contact .ci{ display:flex; align-items:flex-start; margin-bottom:14px; font-size:13px; color:#9aa4b8; line-height:1.7; }
.foot-contact .ci i{ color:#2e66d2; width:18px; margin-top:3px; font-size:15px; }
.foot-qr-img{ width:110px; height:110px; background:#fff; padding:6px; border-radius:5px; }
.foot-qr-img img{ width:100%; height:100%; }
.foot-qr p{ font-size:12px; color:#9aa4b8; text-align:center; margin-top:8px; }
.footer-copyright{
  margin-top:40px; border-top:1px solid #2c3650; padding:18px 15px; text-align:center; font-size:12px; color:#7e8aa3;
}
.footer-copyright a{ color:#7e8aa3; }
.footer-copyright a:hover{ color:#fff; }
.footer-copyright .beian{ margin-left:8px; }

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed; right:24px; bottom:36px; width:46px; height:46px; background:#2e66d2; color:#fff;
  border-radius:4px; text-align:center; line-height:46px; font-size:20px; cursor:pointer; z-index:90;
  opacity:0; visibility:hidden; transition:all .3s ease; box-shadow:0 4px 14px rgba(0,0,0,.2);
}
.back-top.show{ opacity:1; visibility:visible; }
.back-top:hover{ background:#2553A9; }

/* ---------- 图片兜底 ---------- */
.img-fallback{
  background:linear-gradient(135deg,#2e66d2,#2553A9); display:flex; align-items:center; justify-content:center;
  width:100%; height:100%; min-height:120px; color:#fff; font-size:13px; border-radius:4px; text-align:center; padding:8px;
}

/* 联系表单提示 */
.form-msg{ margin-top:12px; font-size:14px; min-height:20px; line-height:1.6; }

/* ---------- 淡入动画（渐进增强 gotcha #5） ---------- */
.fade-in{ opacity:1; transform:translateY(0); transition:opacity .7s ease, transform .7s ease; }
html.js .fade-in{ opacity:0; transform:translateY(28px); }
html.js .fade-in.visible{ opacity:1; transform:translateY(0); }

/* ============================================================
   内页通用
   ============================================================ */
/* 内页 Banner */
.n-banner{ position:relative; width:100%; height:300px; overflow:hidden; margin-top:0; }
.n-banner img{ width:100%; height:100%; object-fit:cover; }
.n-banner-mask{ position:absolute; inset:0; background:linear-gradient(180deg, rgba(20,40,90,.55), rgba(20,40,90,.6)); }
.n-banner-text{ position:absolute; left:0; right:0; top:50%; transform:translateY(-50%); text-align:center; color:#fff; z-index:2; padding:0 15px; }
.n-banner-text h2{ font-size:38px; font-weight:bold; text-shadow:0 2px 10px rgba(0,0,0,.35); }
.n-banner-text .en{ display:block; font-size:15px; letter-spacing:5px; color:#cdddf7; margin-top:10px; text-transform:uppercase; }

/* 面包屑栏 */
.ntit{ background:#f7f9fc; border-bottom:1px solid #eee; }
.ntt{ max-width:1200px; margin:0 auto; padding:18px 15px; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:8px; }
.ntt .cat{ font-size:22px; font-weight:bold; color:#232323; }
.ntt .cat-en{ font-size:13px; color:#aaa; margin-left:10px; font-weight:normal; letter-spacing:2px; }
.weiz{ font-size:13px; color:#999; }
.weiz a{ color:#999; }
.weiz a:hover{ color:#2e66d2; }
.weiz i{ margin:0 6px; color:#ccc; }
.weiz .cur{ color:#2e66d2; }

.page-main{ max-width:1200px; margin:0 auto; padding:50px 15px; width:100%; }

/* ---------- 产品列表页 ---------- */
.product-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; width:100%; }
.product-card{
  background:#fff; border:1px solid #eee; border-radius:6px; overflow:hidden; transition:all .3s ease; display:flex; flex-direction:column;
}
.product-card:hover{ box-shadow:0 10px 28px rgba(46,102,210,.16); transform:translateY(-5px); border-color:#cdddf7; }
.product-img{ width:100%; height:170px; overflow:hidden; }
.product-img img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.product-card:hover .product-img img{ transform:scale(1.06); }
.product-body{ padding:14px 14px 18px; text-align:center; }
.product-name{ font-size:15px; color:#232323; font-weight:bold; }
.product-name a{ color:#232323; }
.product-name a:hover{ color:#2e66d2; }
.product-desc{ font-size:12px; color:#999; margin-top:6px; line-height:1.6; height:38px; overflow:hidden; }

/* ---------- 产品详情页 ---------- */
.detail-top{ display:flex; gap:36px; align-items:flex-start; margin-bottom:40px; }
.detail-img{ flex:0 0 48%; max-width:48%; border:1px solid #eee; border-radius:6px; overflow:hidden; }
.detail-img img{ width:100%; height:380px; object-fit:cover; }
.detail-info{ flex:1; }
.detail-h1{ font-size:26px; font-weight:bold; color:#232323; line-height:1.4; margin-bottom:16px; padding-bottom:16px; border-bottom:1px solid #eee; }
.detail-info .lead{ font-size:14px; color:#666; line-height:1.9; margin-bottom:20px; }
.detail-params{ width:100%; border-collapse:collapse; margin-bottom:22px; }
.detail-params th,.detail-params td{ border:1px solid #eee; padding:10px 14px; font-size:13px; text-align:left; }
.detail-params th{ background:#f7f9fc; color:#333; width:34%; font-weight:bold; }
.detail-params td{ color:#666; }
.detail-btn{ display:inline-block; padding:10px 30px; background:#2e66d2; color:#fff; border-radius:3px; font-size:14px; border:2px solid #2e66d2; }
.detail-btn:hover{ background:#2553A9; border-color:#2553A9; color:#fff; }
.detail-section{ margin-bottom:34px; }
.detail-section h3{ font-size:20px; font-weight:bold; color:#232323; margin-bottom:16px; padding-left:12px; border-left:4px solid #2e66d2; line-height:1.3; }
.detail-section p{ font-size:14px; color:#555; line-height:2; margin-bottom:14px; text-indent:2em; }
.detail-section img{ width:100%; max-width:760px; border-radius:6px; margin:14px auto; display:block; }
.detail-features{ display:grid; grid-template-columns:repeat(2,1fr); gap:16px; }
.feature-item{ display:flex; align-items:flex-start; padding:16px; background:#f7f9fc; border-radius:6px; }
.feature-item .fic{ flex:0 0 44px; width:44px; height:44px; background:#2e66d2; color:#fff; border-radius:50%; text-align:center; line-height:44px; font-size:18px; margin-right:14px; }
.feature-item h4{ font-size:15px; color:#232323; margin-bottom:4px; font-weight:bold; }
.feature-item p{ font-size:13px; color:#888; line-height:1.6; text-indent:0; margin:0; }
.related{ margin-top:50px; }
.related-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; width:100%; }

/* ---------- 新闻列表页 ---------- */
.news-list{ width:100%; }
.news-item{
  display:flex; gap:24px; padding:26px 0; border-bottom:1px solid #eee; align-items:flex-start;
}
.news-item:first-child{ padding-top:0; }
.news-thumb{ flex:0 0 280px; max-width:280px; height:170px; overflow:hidden; border-radius:6px; }
.news-thumb img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.news-item:hover .news-thumb img{ transform:scale(1.05); }
.news-body{ flex:1; }
.news-title{ font-size:19px; font-weight:bold; color:#232323; margin-bottom:10px; line-height:1.4; }
.news-title a{ color:#232323; }
.news-title a:hover{ color:#2e66d2; }
.news-meta{ font-size:13px; color:#aaa; margin-bottom:10px; }
.news-meta .tag{ display:inline-block; padding:2px 10px; background:#E3EBF9; color:#2e66d2; border-radius:3px; font-size:12px; margin-right:10px; }
.news-summary{ font-size:14px; color:#777; line-height:1.8; }
.news-more{ display:inline-block; margin-top:12px; color:#2e66d2; font-size:13px; }
.news-more i{ margin-left:4px; }

/* ---------- 新闻详情页 ---------- */
.article{ background:#fff; }
.article-head{ text-align:center; padding:0 0 24px; border-bottom:1px solid #eee; margin-bottom:30px; }
.article-head h1{ font-size:28px; font-weight:bold; color:#232323; line-height:1.5; margin-bottom:14px; }
.article-meta{ font-size:13px; color:#999; }
.article-meta span{ margin:0 12px; }
.article-meta i{ margin-right:6px; }
.article-body{ font-size:15px; color:#444; line-height:2; }
.article-body p{ margin-bottom:18px; text-indent:2em; }
.article-body h4{ font-size:17px; font-weight:bold; color:#232323; margin:22px 0 12px; }
.article-body img{ width:100%; max-width:780px; border-radius:6px; margin:18px auto; display:block; }
.article-nav{ display:flex; justify-content:space-between; margin-top:36px; padding-top:24px; border-top:1px solid #eee; flex-wrap:wrap; gap:12px; }
.article-nav a{ font-size:14px; color:#666; max-width:48%; }
.article-nav a:hover{ color:#2e66d2; }
.article-nav .an-title{ color:#aaa; font-size:12px; display:block; margin-bottom:4px; }

/* ---------- 关于我们页 ---------- */
.about-intro{ font-size:15px; color:#555; line-height:2.1; margin-bottom:16px; text-indent:2em; }
.about-intro p{ margin-bottom:14px; }
.about-banner{ width:100%; height:300px; overflow:hidden; border-radius:6px; margin-bottom:36px; }
.about-banner img{ width:100%; height:100%; object-fit:cover; }
.timeline{ position:relative; padding:20px 0 10px; margin-bottom:20px; }
.timeline::before{ content:""; position:absolute; left:50%; top:0; bottom:0; width:2px; background:#cdddf7; transform:translateX(-50%); }
.timeline-item{ position:relative; width:50%; padding:0 36px 30px; }
.timeline-item:nth-child(odd){ left:0; text-align:right; }
.timeline-item:nth-child(even){ left:50%; }
.timeline-item .ti-dot{ position:absolute; top:6px; width:14px; height:14px; background:#2e66d2; border:3px solid #fff; border-radius:50%; box-shadow:0 0 0 2px #2e66d2; }
.timeline-item:nth-child(odd) .ti-dot{ right:-7px; }
.timeline-item:nth-child(even) .ti-dot{ left:-7px; }
.timeline-item .ti-year{ font-size:22px; font-weight:bold; color:#2e66d2; }
.timeline-item .ti-text{ font-size:14px; color:#666; line-height:1.8; margin-top:4px; }
.culture-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; width:100%; margin-bottom:10px; }
.culture-card{ text-align:center; padding:34px 24px; background:#f7f9fc; border-radius:6px; border-top:3px solid #2e66d2; }
.culture-card .cic{ width:62px; height:62px; margin:0 auto 16px; background:#2e66d2; color:#fff; border-radius:50%; line-height:62px; font-size:26px; }
.culture-card h3{ font-size:19px; font-weight:bold; color:#232323; margin-bottom:10px; }
.culture-card p{ font-size:13px; color:#888; line-height:1.8; }
.team-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; width:100%; }
.team-card{ background:#fff; border:1px solid #eee; border-radius:6px; overflow:hidden; text-align:center; transition:all .3s ease; }
.team-card:hover{ box-shadow:0 10px 28px rgba(46,102,210,.16); transform:translateY(-5px); }
.team-av{ width:100%; height:220px; overflow:hidden; background:#eee; }
.team-av img{ width:100%; height:100%; object-fit:cover; }
.team-info{ padding:16px; }
.team-info .tn{ font-size:17px; font-weight:bold; color:#232323; }
.team-info .tp{ font-size:13px; color:#2e66d2; margin-top:4px; }

/* ---------- 联系我们页 ---------- */
.contact-top{ display:flex; gap:30px; flex-wrap:wrap; margin-bottom:40px; }
.contact-info-card{ flex:1; min-width:260px; }
.contact-item{ display:flex; align-items:flex-start; padding:22px; background:#f7f9fc; border-radius:6px; margin-bottom:16px; border-left:3px solid #2e66d2; }
.contact-item .ciic{ flex:0 0 50px; width:50px; height:50px; background:#2e66d2; color:#fff; border-radius:50%; text-align:center; line-height:50px; font-size:20px; margin-right:16px; }
.contact-item .cic-text h4{ font-size:16px; color:#232323; font-weight:bold; margin-bottom:4px; }
.contact-item .cic-text p{ font-size:14px; color:#777; line-height:1.6; }
.contact-form-wrap{ flex:1; min-width:260px; background:#f7f9fc; border-radius:6px; padding:30px; }
.contact-form-wrap h3{ font-size:20px; font-weight:bold; color:#232323; margin-bottom:20px; padding-left:12px; border-left:4px solid #2e66d2; }
.form-group{ margin-bottom:16px; }
.form-group label{ display:block; font-size:13px; color:#555; margin-bottom:6px; }
.form-group input,.form-group textarea{
  width:100%; padding:10px 14px; border:1px solid #ddd; border-radius:4px; font-size:14px; font-family:inherit; background:#fff; color:#484848;
}
.form-group input:focus,.form-group textarea:focus{ outline:none; border-color:#2e66d2; box-shadow:0 0 0 2px rgba(46,102,210,.12); }
.form-row{ display:flex; gap:16px; }
.form-row .form-group{ flex:1; }
.form-submit{
  display:inline-block; padding:12px 40px; background:#2e66d2; color:#fff; border:0; border-radius:4px;
  font-size:15px; cursor:pointer; transition:background .25s ease; font-family:inherit;
}
.form-submit:hover{ background:#2553A9; }
.contact-map{ width:100%; height:340px; border-radius:6px; overflow:hidden; border:1px solid #eee; margin-top:10px; background:#eef2f8; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1200px){
  .nav-link{ padding:0 16px; min-width:auto; }
}
@media (max-width:1024px){
  .row{ max-width:100%; }
  /* header 变固定深色 (gotcha: mobile header) */
  .topbox{ position:fixed; background:#1f2a3d; box-shadow:0 2px 8px rgba(0,0,0,.15); }
  .topbar{ background:#1a2233; }
  .header-main{ padding:10px 0; }
  .menubox{ display:none; }
  .mobile-toggle{ display:block; }
  /* 抽屉 */
  .m-overlay{ display:none; position:fixed; inset:0; background:rgba(0,0,0,.5); z-index:200; }
  .m-overlay.open{ display:block; }
  .m-drawer{
    display:none; position:fixed; right:-280px; top:0; bottom:0; width:280px; background:#1f2a3d; z-index:210;
    overflow-y:auto; transition:right .3s ease; padding:20px 0;
  }
  .m-drawer.open{ display:block; right:0; }
  .m-drawer .m-nav li{ border-bottom:1px solid #2c3650; }
  .m-drawer .m-nav li a{ display:block; color:#fff; padding:14px 24px; font-size:15px; }
  .m-drawer .m-nav li a:hover,.m-drawer .m-nav li.active a{ background:#2e66d2; color:#fff; }
  .m-drawer .m-sub{ background:#16202f; }
  .m-drawer .m-sub a{ padding-left:40px; font-size:13px; }
  .m-close{ color:#fff; font-size:22px; text-align:right; padding:0 20px 10px; }
  .slide-img{ height:420px; }
  .slide-text h2{ font-size:32px; }
  .slide-text .st-sub{ font-size:16px; }
  .services{ grid-template-columns:repeat(2,1fr); }
  .twocol{ flex-direction:column; gap:24px; }
  .twocol-left,.twocol-right{ flex:1 1 100%; max-width:100%; }
  .partner-grid{ grid-template-columns:repeat(3,1fr); }
  .product-grid{ grid-template-columns:repeat(3,1fr); }
  .related-grid{ grid-template-columns:repeat(3,1fr); }
  .culture-grid{ grid-template-columns:repeat(2,1fr); }
  .team-grid{ grid-template-columns:repeat(2,1fr); }
  .detail-top{ flex-direction:column; }
  .detail-img{ flex:1 1 100%; max-width:100%; }
  .detail-img img{ height:300px; }
  .news-item{ flex-direction:column; }
  .news-thumb{ flex:1 1 100%; max-width:100%; height:200px; }
  .foot-main{ gap:24px; }
}
@media (max-width:768px){
  .section{ padding:42px 0; }
  .sec-title h2{ font-size:23px; }
  .slide-img{ height:320px; }
  .slide-text h2{ font-size:25px; }
  .slide-text .st-sub{ font-size:14px; }
  .slide-text .st-btn{ padding:9px 24px; font-size:13px; }
  .services{ grid-template-columns:1fr; }
  .product-grid{ grid-template-columns:repeat(2,1fr); }
  .related-grid{ grid-template-columns:repeat(2,1fr); }
  .culture-grid{ grid-template-columns:1fr; }
  .team-grid{ grid-template-columns:repeat(2,1fr); }
  .partner-grid{ grid-template-columns:repeat(2,1fr); }
  .stats{ padding:36px 15px; }
  .stat-item{ flex:1 1 45%; min-width:45%; }
  .stat-item .num{ font-size:30px; }
  .detail-features{ grid-template-columns:1fr; }
  .n-banner{ height:220px; }
  .n-banner-text h2{ font-size:28px; }
  .timeline::before{ left:8px; }
  .timeline-item{ width:100%; left:0 !important; text-align:left !important; padding:0 0 24px 30px; }
  .timeline-item .ti-dot{ left:2px !important; right:auto !important; }
  .contact-top{ flex-direction:column; }
  .form-row{ flex-direction:column; gap:0; }
  .foot-col,.foot-col.foot-about,.foot-col.foot-contact,.foot-col.foot-qr{ flex:1 1 100%; min-width:0; }
  .foot-qr-img{ margin:0 auto; }
}
@media (max-width:480px){
  body{ font-size:13px; }
  .logo-name{ font-size:21px; }
  .logo-sub{ font-size:11px; letter-spacing:2px; }
  .slide-img{ height:260px; }
  .slide-text{ padding:0 18px; }
  .slide-text h2{ font-size:21px; }
  .product-grid{ grid-template-columns:1fr; }
  .team-grid{ grid-template-columns:1fr; }
  .partner-grid{ grid-template-columns:1fr; }
  .stat-item{ flex:1 1 100%; min-width:100%; }
  .back-top{ right:14px; bottom:24px; width:40px; height:40px; line-height:40px; }
}