/* ============================================================
   名道·和悦行 暗色皮肤 md.css
   配色：深炭黑 #1a1a1a / 品牌蓝绿 #00b5a5 / 白 / 浅灰卡片 #2a2a2a
   字体：Noto Sans SC；按钮圆角 6px
   ============================================================ */
:root{
  --bg:#1a1a1a;
  --bg-2:#121212;
  --card:#2a2a2a;
  --card-2:#242424;
  --teal:#00b5a5;
  --teal-dark:#009688;
  --teal-soft:rgba(0,181,165,.12);
  --text:#f5f5f5;
  --muted:#cccccc;
  --dim:#999999;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.14);
  --radius:6px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --maxw:1200px;
  --header-h:68px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.7;
  font-size:15px;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s,background .2s}
img{max-width:100%;display:block}
ul{list-style:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:70px 0}
.section--alt{background:var(--bg-2)}
.section-header{text-align:center;margin-bottom:46px}
.section-header .accent{width:46px;height:3px;background:var(--teal);margin:0 auto 16px;border-radius:2px}
.section-title{font-size:30px;font-weight:700;letter-spacing:1px}
.section-subtitle{color:var(--muted);margin-top:10px;font-size:15px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:.2s}
.btn-primary{background:var(--teal);color:#06231f}
.btn-primary:hover{background:var(--teal-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,181,165,.35)}
.btn-outline{border-color:var(--teal);color:var(--teal);background:transparent}
.btn-outline:hover{background:var(--teal-soft)}
.btn-ghost{border-color:var(--border-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--teal);font-weight:600;font-size:14px}
.link-more i{transition:transform .2s}
.link-more:hover i{transform:translateX(4px)}

/* ---------- 页头 ---------- */
.site-header{position:sticky;top:0;z-index:100;height:var(--header-h);
  background:rgba(18,18,18,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:100%}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;letter-spacing:.5px;white-space:nowrap}
.logo .logo-img{height:30px;width:auto;display:block;object-fit:contain}
.logo .logo-sub{font-size:11px;color:var(--dim);font-weight:400;letter-spacing:2px}
.nav{display:flex;align-items:center;gap:4px}
.nav a.nav-link{padding:8px 14px;font-size:15px;color:var(--muted);border-radius:var(--radius);white-space:nowrap}
.nav a.nav-link:hover,.nav a.nav-link.active{color:var(--teal)}
.header-phone{display:flex;align-items:center;gap:8px;color:var(--teal);font-weight:700;font-size:16px;white-space:nowrap}
.header-phone .btn-call{background:var(--teal);color:#06231f;padding:8px 16px;border-radius:var(--radius);font-size:14px;font-weight:700}
.header-phone .btn-call:hover{background:var(--teal-dark)}
.nav-toggle{display:none;background:none;border:0;color:var(--text);font-size:24px;cursor:pointer}
.mobile-menu{display:none;background:var(--bg-2);border-bottom:1px solid var(--border)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:14px 20px;color:var(--muted);border-bottom:1px solid var(--border)}
.mobile-menu a.active,.mobile-menu a:hover{color:var(--teal);background:var(--teal-soft)}
.mobile-menu .m-phone{padding:14px 20px;color:var(--teal);font-weight:700}

/* ---------- 首页 Banner ---------- */
.swiper-banner{position:relative;height:520px;background:var(--bg-2)}
.swiper-banner .swiper-slide{position:relative;height:520px;overflow:hidden}
.swiper-banner .swiper-slide img{width:100%;height:100%;object-fit:cover}
.swiper-banner .swiper-slide::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,10,10,.85) 0%,rgba(10,10,10,.45) 50%,rgba(10,10,10,.2) 100%)}
.banner-caption{position:absolute;z-index:5;left:0;right:0;top:50%;transform:translateY(-50%);max-width:var(--maxw);margin:0 auto;padding:0 20px}
.banner-caption .eyebrow{color:var(--teal);font-weight:600;letter-spacing:3px;font-size:14px;margin-bottom:14px}
.banner-caption h1{font-size:46px;font-weight:800;line-height:1.2;max-width:680px;text-shadow:0 2px 10px rgba(0,0,0,.5)}
.banner-caption p{color:var(--muted);font-size:17px;margin:18px 0 28px;max-width:560px}
.swiper-banner-pagination{position:absolute;z-index:6;bottom:24px;left:0;right:0;text-align:center}
.swiper-banner-pagination .swiper-pagination-bullet{width:10px;height:10px;background:rgba(255,255,255,.4);opacity:1;margin:0 5px;border-radius:50%}
.swiper-banner-pagination .swiper-pagination-bullet-active{background:var(--teal);width:26px;border-radius:6px}
.swiper-banner-button-prev,.swiper-banner-button-next{position:absolute;z-index:6;top:50%;transform:translateY(-50%);
  width:46px;height:46px;border-radius:50%;background:rgba(0,0,0,.35);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:18px;transition:.2s}
.swiper-banner-button-prev{left:20px}.swiper-banner-button-next{right:20px}
.swiper-banner-button-prev:hover,.swiper-banner-button-next:hover{background:var(--teal);color:#041f1b}

/* ---------- 卡片通用 ---------- */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.25s}
.card:hover{transform:translateY(-6px);border-color:rgba(0,181,165,.4);box-shadow:0 14px 34px rgba(0,0,0,.45)}
.icon-box{width:64px;height:64px;border-radius:14px;background:var(--teal-soft);color:var(--teal);
  display:flex;align-items:center;justify-content:center;font-size:26px;margin:0 auto}
.icon-box.sm{width:46px;height:46px;font-size:18px;border-radius:10px}

/* 业务概览 / 服务网格 */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.service-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:34px 26px;text-align:center;transition:.25s}
.service-card:hover{transform:translateY(-6px);border-color:rgba(0,181,165,.45);box-shadow:var(--shadow)}
.service-card .icon-box{margin-bottom:18px}
.service-card h3{font-size:19px;margin-bottom:10px}
.service-card p{color:var(--dim);font-size:14px;margin-bottom:16px;min-height:42px}
.service-card .link-more{justify-content:center}

/* 关于 / 数据 */
.about-wrap{display:flex;gap:50px;align-items:center;flex-wrap:wrap}
.about-text{flex:1;min-width:300px}
.about-media{flex:1;min-width:300px}
.about-media img{border-radius:var(--radius);border:1px solid var(--border)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:22px}
.stat-card{background:var(--card-2);border:1px solid var(--border);border-radius:var(--radius);padding:22px;text-align:center}
.stat-num{font-size:34px;font-weight:800;color:var(--teal);line-height:1.1}
.stat-label{color:var(--muted);font-size:14px;margin-top:6px}
.stats-band{background:linear-gradient(120deg,#003a35,#0c2b28);padding:56px 0;text-align:center}
.stats-band .stat-num{color:#fff}
.stats-band .stat-label{color:rgba(255,255,255,.8)}

/* 门店环境 */
.store-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.store-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.25s}
.store-card:hover{transform:translateY(-6px);border-color:rgba(0,181,165,.45);box-shadow:var(--shadow)}
.store-card .store-img{height:200px;background:var(--card-2);display:flex;align-items:center;justify-content:center;color:var(--dim);font-size:42px}
.store-card .store-body{padding:22px}
.store-card h3{font-size:18px;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.store-card h3 .tag{font-size:11px;background:var(--teal-soft);color:var(--teal);padding:2px 8px;border-radius:20px}
.store-card .addr{color:var(--dim);font-size:14px;margin-bottom:8px}
.store-card .meta{color:var(--muted);font-size:13px;margin-bottom:14px}
.store-card .link-more{justify-content:flex-start}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px;transition:.25s}
.case-card:hover{transform:translateY(-6px);border-color:rgba(0,181,165,.45);box-shadow:var(--shadow)}
.case-card .badge{display:inline-block;background:var(--teal-soft);color:var(--teal);font-size:12px;padding:3px 10px;border-radius:20px;margin-bottom:12px}
.case-card h3{font-size:18px;margin-bottom:10px;line-height:1.4}
.case-card p{color:var(--dim);font-size:14px;margin-bottom:14px}

/* 养车知识 列表 */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{display:flex;gap:18px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:.25s;align-items:center}
.news-card:hover{transform:translateY(-4px);border-color:rgba(0,181,165,.45)}
.news-card .news-date{width:64px;flex-shrink:0;text-align:center;background:var(--card-2);border-radius:var(--radius);padding:12px 0}
.news-card .news-date .d{font-size:24px;font-weight:800;color:var(--teal);line-height:1}
.news-card .news-date .y{font-size:12px;color:var(--dim);margin-top:4px}
.news-card h3{font-size:17px;margin-bottom:8px;line-height:1.4}
.news-card p{color:var(--dim);font-size:13px}

/* 合作品牌 */
.brand-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.brand-cell{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);height:120px;
  display:flex;align-items:center;justify-content:center;text-align:center;padding:14px;transition:.25s}
.brand-cell:hover{border-color:var(--teal);background:var(--card-2)}
.brand-cell .b-name{font-size:18px;font-weight:700;color:var(--text)}
.brand-cell .b-sub{font-size:12px;color:var(--dim);margin-top:6px}

/* ---------- 内页 Banner ---------- */
.category-banner{position:relative;height:240px;background:linear-gradient(120deg,#003a35,#0a1413);
  display:flex;align-items:center;overflow:hidden}
.category-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.28}
.category-banner .cb-inner{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;width:100%;padding:0 20px}
.category-banner h1{font-size:32px;font-weight:800}
.category-banner p{color:var(--muted);margin-top:8px;font-size:15px}

/* 面包屑 */
.breadcrumb{font-size:13px;color:var(--dim);padding:16px 0}
.breadcrumb a:hover{color:var(--teal)}
.breadcrumb .sep{margin:0 8px;color:var(--border-strong)}

/* 子栏目标签 */
.tab-bar{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.tab-item{padding:9px 22px;border:1px solid var(--border-strong);border-radius:30px;color:var(--muted);font-size:14px;transition:.2s}
.tab-item:hover{border-color:var(--teal);color:var(--teal)}
.tab-item.active{background:var(--teal);color:#06231f;border-color:var(--teal);font-weight:600}

/* ---------- 布局：列表 + 边栏 ---------- */
.layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.layout--side{}

/* 边栏 */
.sidebar-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-bottom:22px}
.sidebar-card h4{font-size:16px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px}
.sidebar-card h4::before{content:"";width:4px;height:16px;background:var(--teal);border-radius:2px}
.sidebar-list li{margin-bottom:12px;font-size:14px;color:var(--muted);line-height:1.5}
.sidebar-list li a{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sidebar-list li a:hover{color:var(--teal)}
.sidebar-card.contact-mini{background:linear-gradient(135deg,#003a35,#0c2b28);border-color:transparent}
.sidebar-card.contact-mini p{color:rgba(255,255,255,.85);font-size:14px;margin-bottom:8px}
.sidebar-card.contact-mini .btn{width:100%;margin-top:8px}

/* 分页 */
.page-bar{display:flex;justify-content:center;margin-top:30px;flex-wrap:wrap;gap:6px}
.page-bar a,.page-bar span{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 12px;
  border:1px solid var(--border-strong);border-radius:var(--radius);color:var(--muted);font-size:14px}
.page-bar a:hover{background:var(--teal-soft);color:var(--teal);border-color:var(--teal)}
.page-bar .active,.page-bar .page-num-current{background:var(--teal);color:#06231f;border-color:var(--teal);font-weight:700}

/* ---------- 详情页 ---------- */
.detail-title{font-size:30px;font-weight:800;line-height:1.3;margin-bottom:14px}
.detail-meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--dim);font-size:13px;padding-bottom:18px;border-bottom:1px solid var(--border);margin-bottom:24px}
.detail-meta .badge{background:var(--teal-soft);color:var(--teal);padding:3px 10px;border-radius:20px}
.content-editor{font-size:16px;color:var(--muted);line-height:1.9}
.content-editor img{max-width:100%;border-radius:var(--radius);margin:18px 0}
.content-editor h2,.content-editor h3{color:var(--text);margin:24px 0 12px}
.content-editor p{margin-bottom:16px}
.content-editor ul,.content-editor ol{margin:0 0 16px 22px}
.content-editor li{margin-bottom:8px}
.case-info{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-bottom:26px}
.case-info .ci-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;text-align:center}
.case-info .ci-grid .k{font-size:12px;color:var(--dim);margin-bottom:6px}
.case-info .ci-grid .v{font-size:15px;font-weight:600}
.case-info .ci-grid .v.hl{color:var(--teal)}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}

/* 上下篇 */
.pn-nav{display:flex;justify-content:space-between;gap:16px;margin-top:30px;padding-top:24px;border-top:1px solid var(--border);font-size:14px}
.pn-nav a{color:var(--muted)}
.pn-nav a:hover{color:var(--teal)}

/* FAQ */
.faq-item{border-bottom:1px solid var(--border);padding:16px 0}
.faq-q{width:100%;text-align:left;background:none;border:0;color:var(--text);font-size:16px;font-weight:600;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:12px}
.faq-q i{color:var(--teal);transition:transform .2s}
.faq-q.open i{transform:rotate(45deg)}
.faq-a{display:none;padding-top:12px;color:var(--muted);font-size:14px}
.faq-a.open{display:block}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:40px}
.contact-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:30px;text-align:center}
.contact-card .icon-box{margin:0 auto 16px}
.contact-card h4{font-size:18px;margin-bottom:10px}
.contact-card p{color:var(--dim);font-size:14px}
.store-detail{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px;margin-bottom:22px}
.store-detail h3{font-size:20px;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.store-detail .row{display:flex;gap:10px;color:var(--muted);font-size:14px;margin-bottom:8px}
.store-detail .row i{color:var(--teal);width:18px}
.map-box{background:var(--card-2);border:1px solid var(--border);border-radius:var(--radius);height:420px;display:flex;align-items:center;justify-content:center;color:var(--dim)}

/* ---------- 推荐资讯机器层 ---------- */
.rec-list{display:flex;flex-direction:column;gap:2px}
.rec-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;transition:.2s}
.rec-item:hover{border-color:rgba(0,181,165,.45)}
.rec-item a{display:flex;align-items:center;justify-content:space-between;gap:16px}
.rec-item .t{color:var(--text);font-size:15px;flex:1}
.rec-item:hover .t{color:var(--teal)}
.rec-item .d{color:var(--dim);font-size:12px;white-space:nowrap}
.rec-side h4{font-size:16px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.rec-side ul li{margin-bottom:12px;font-size:14px;color:var(--muted)}
.rec-side ul li a{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rec-side ul li a:hover{color:var(--teal)}
.article-disclaimer{background:var(--card-2);border:1px solid var(--border);border-radius:var(--radius);padding:18px;color:var(--dim);font-size:12px;margin-top:26px;line-height:1.8}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--border);padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-col h4{font-size:16px;margin-bottom:18px;color:var(--text);position:relative;padding-left:12px}
.footer-col h4::before{content:"";position:absolute;left:0;top:3px;width:3px;height:16px;background:var(--teal);border-radius:2px}
.footer-col p,.footer-col li{color:var(--dim);font-size:14px;margin-bottom:10px}
.footer-col a.footer-link:hover{color:var(--teal)}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo .logo-img{height:32px}
.footer-brand p{color:var(--dim);font-size:14px;line-height:1.8}
.footer-qr{text-align:center}
.footer-qr img{width:120px;height:120px;background:#fff;border-radius:var(--radius);object-fit:contain;margin:0 auto}
.footer-qr p{margin-top:10px}
.footer-bottom{border-top:1px solid var(--border);margin-top:40px;padding:20px 0;text-align:center;color:var(--dim);font-size:13px}
.footer-bottom a{color:var(--dim)}
.footer-bottom a:hover{color:var(--teal)}
.footer-bottom .sep{margin:0 10px;color:var(--border-strong)}

/* 移动悬浮栏 */
.mobile-fab{position:fixed;z-index:90;bottom:0;left:0;right:0;display:none;background:var(--bg-2);border-top:1px solid var(--border)}
.mobile-fab a{flex:1;text-align:center;padding:12px;color:var(--text);font-weight:600;font-size:14px}
.mobile-fab a:first-child{border-right:1px solid var(--border);color:var(--teal)}
.mobile-fab-spacer{height:0}

/* ---------- 响应式 ---------- */
/* 横版 LOGO 较宽，窄屏收紧导航间距 / 提前收起导航 */
@media (max-width:1180px){
  .nav a.nav-link{padding:8px 10px;font-size:14px}
  .logo .logo-img{height:28px}
}
@media (max-width:1100px){
  .nav{display:none}
  .nav-toggle{display:block}
  .header-phone .btn-call{display:none}
}
@media (max-width:768px){
  .logo .logo-img{height:26px}
  .header-phone{font-size:14px;gap:6px}
}
@media (max-width:360px){
  .logo .logo-img{height:24px}
  .header-phone{font-size:13px;gap:4px}
}
@media (max-width:1024px){
  .nav{display:none}
  .nav-toggle{display:block}
  .header-phone .btn-call{display:none}
  .service-grid,.store-grid,.case-grid,.contact-grid,.brand-grid{grid-template-columns:repeat(2,1fr)}
  .layout{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .related{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .case-info .ci-grid{grid-template-columns:repeat(2,1fr);gap:12px}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .section-title{font-size:24px}
  .banner-caption h1{font-size:30px}
  .swiper-banner,.swiper-banner .swiper-slide{height:380px}
  .service-grid,.store-grid,.case-grid,.contact-grid,.brand-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .mobile-fab{display:flex}
  .mobile-fab-spacer{height:56px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:480px){
  .footer-grid{grid-template-columns:1fr}
  .banner-caption h1{font-size:26px}
}