/* =====================================================================
   桂林大宇客车 — 干净商务风设计系统「PRECISION · CLEAN CORPORATE」
   设计主张：白底清爽 · 商务蓝主调 · 柔和卡片 · 大量留白
   与已批准首页 index.html 视觉语言完全一致。仅重换皮肤，内容零改动。
   覆盖全站类名：header / footer / page-hero / breadcrumb / about /
   feature / product / news / detail / spec / region / contact 等。
   ===================================================================== */

:root{
  /* 背景与中性 */
  --bg:#FFFFFF;
  --bg-alt:#F6F8FC;
  --ink:#1A1D23;
  --ink-2:#374151;
  --muted:#6B7280;
  --muted-2:#9CA3AF;

  /* 品牌主色：稳重商务蓝 */
  --primary:#1B4B8C;
  --primary-light:#2563EB;
  --accent:#0EA5E9;

  /* 浅色调（卡片底 / 图标芯片） */
  --primary-soft:#EAF1FB;
  --accent-soft:#E6F6FD;

  /* 线条与阴影 */
  --line:#E5E7EB;
  --line-2:#F0F1F3;
  --shadow-sm:0 1px 3px rgba(26,29,35,.06),0 1px 2px rgba(26,29,35,.04);
  --shadow-md:0 10px 40px rgba(26,29,35,.08);
  --shadow-lg:0 20px 60px rgba(26,29,35,.12);

  --radius:16px;
  --radius-sm:12px;
  --container:1160px;
  --maxw:1160px;
  --font:'Plus Jakarta Sans','Noto Sans SC',system-ui,-apple-system,sans-serif;
  --sc:'Noto Sans SC',system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sc);color:var(--ink);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.2;color:var(--ink)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.page{min-height:60vh}
.ic{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--font);font-weight:600;font-size:.95rem;padding:.85rem 1.65rem;border-radius:12px;border:1.5px solid transparent;cursor:pointer;transition:all .22s ease;white-space:nowrap}
.btn svg{width:1.05em;height:1.05em}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(27,75,140,.25)}
.btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:0 8px 24px rgba(27,75,140,.32)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--primary);border:1.5px solid rgba(255,255,255,.6)}
.btn-white:hover{background:rgba(255,255,255,.95)}
.btn-lg{padding:1rem 2rem;font-size:1rem}
.btn-sm{padding:.55rem 1.1rem;font-size:.86rem}
/* 首页邮箱按钮（mail-btn）与内页（btn-ghost）统一外观 */
.mail-btn,.header-actions .btn-ghost{display:inline-flex;align-items:center;gap:.42rem;padding:.55rem 1.05rem;border:1px solid var(--line);border-radius:10px;font-family:var(--font);font-weight:600;font-size:.84rem;color:var(--muted);background:transparent;transition:all .2s ease}
.mail-btn:hover,.header-actions .btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}

/* ---------- 顶部导航（白底毛玻璃，无橙条） ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.scrolled{box-shadow:0 12px 34px rgba(26,29,35,.10)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:.72rem}
.brand-logo{height:38px;width:auto}
.brand-text{display:flex;flex-direction:column;line-height:1.02}
.brand-text b{font-family:var(--font);font-weight:800;font-size:1.18rem;color:var(--ink);letter-spacing:.3px}
.brand-text i{font-style:normal;font-family:var(--font);font-weight:500;font-size:.62rem;letter-spacing:2.5px;color:var(--muted)}
.main-nav>ul{display:flex;align-items:center;gap:.2rem;list-style:none}
.nav-link{position:relative;display:inline-flex;align-items:center;gap:.3rem;padding:.58rem 1rem;border-radius:10px;font-family:var(--font);font-weight:600;font-size:.93rem;color:var(--ink-2);transition:color .2s,background .2s}
.nav-link:hover,.nav-link.active{color:var(--primary);background:var(--primary-soft)}
.has-child{position:relative}
.caret{width:14px;height:14px;opacity:.55;transform:rotate(90deg);transition:transform .2s}
.has-child:hover .caret{transform:rotate(90deg) translateX(2px);color:var(--primary)}
.submenu{position:absolute;top:calc(100% + 8px);left:0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-md);padding:.45rem;min-width:180px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .2s,transform .2s,visibility .2s}
.has-child:hover .submenu{opacity:1;visibility:visible;transform:none}
.submenu a{display:block;padding:.58rem .88rem;border-radius:9px;font-size:.9rem;color:var(--muted);transition:background .15s,color .15s}
.submenu a:hover{background:var(--bg-alt);color:var(--primary)}
.header-actions{display:flex;align-items:center;gap:.65rem}
.menu-toggle{display:none;background:var(--bg-alt);border:1px solid var(--line);color:var(--ink);width:44px;height:44px;border-radius:11px;cursor:pointer;align-items:center;justify-content:center}
.menu-toggle svg{width:22px;height:22px}
.mobile-nav{display:none;background:#fff;border-top:1px solid var(--line);box-shadow:0 20px 40px rgba(26,29,35,.10)}
.mobile-nav ul{list-style:none;padding:.5rem 24px 1.2rem}
.mobile-nav a{display:block;padding:.95rem .4rem;font-family:var(--font);font-weight:600;font-size:.98rem;color:var(--ink);border-bottom:1px solid var(--line-2)}
.site-header.open .mobile-nav{display:block}

/* ---------- 首页深色 Hero（与已批准首页一致） ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink)}
.hero-img{position:absolute;inset:0;z-index:0}
.hero-img img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(110deg,rgba(13,17,30,.90) 0%,rgba(13,17,30,.68) 48%,rgba(13,17,30,.32) 80%)}
.hero-content{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:center;min-height:86vh;padding:120px 0 96px;max-width:660px}
.hero-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.46rem 1rem;border-radius:999px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(6px);font-size:.83rem;font-weight:600;color:rgba(255,255,255,.9);margin-bottom:1.6rem;width:max-content}
.hero-badge svg{color:var(--accent)}
.hero h1{font-family:var(--font);font-weight:800;font-size:clamp(2.4rem,5vw,4rem);line-height:1.06;color:#fff;letter-spacing:-.5px;margin-bottom:1.2rem}
.hero h1 em{font-style:normal;display:block;margin-top:.5rem;background:linear-gradient(135deg,#fff,var(--accent));-webkit-background-clip:text;background-clip:text}
.hero-sub,.hero-desc{font-size:1.06rem;color:rgba(255,255,255,.78);max-width:520px;line-height:1.78;margin-bottom:2.2rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-bottom:2.6rem}
.hero-info,.hero-contact{display:flex;flex-wrap:wrap;gap:1.4rem 2rem;font-size:.89rem;color:rgba(255,255,255,.64)}
.hero-info span,.hero-contact span{display:inline-flex;align-items:center;gap:.45rem}
.hero-info svg,.hero-contact svg{color:var(--accent)}

/* ---------- EN 首页 hero 结构桥接 ----------
   en/index*.html 使用 .hero-media/.hero-scrim/.hero-inner/.hero-text
   与中文首页 .hero-img/.hero-overlay/.hero-content 结构不同，视觉需完全一致
   ---------- */
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-scrim{position:absolute;inset:0;z-index:1;background:linear-gradient(110deg,rgba(13,17,30,.90) 0%,rgba(13,17,30,.68) 48%,rgba(13,17,30,.32) 80%)}
.hero-inner{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:center;min-height:86vh;padding:120px 0 96px;max-width:660px}
.hero-text{width:100%}
.hero-tag,.hero-scroll{display:none}

/* ---------- 数据条 ---------- */
.stats-bar,.stats-band{background:var(--bg-alt);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{text-align:center;padding:2.2rem 1.4rem}
.stat b{display:block;font-family:var(--font);font-weight:800;font-size:clamp(2rem,3.2vw,2.7rem);color:var(--primary);letter-spacing:-.5px}
.stat .label,.stat-label{display:block;margin-top:.35rem;font-family:var(--font);font-weight:600;font-size:.94rem;color:var(--ink)}
.stat i,.stat i{display:block;font-style:normal;font-size:.82rem;color:var(--muted);margin-top:.15rem}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0}
.section-alt,.section-soft{background:var(--bg-alt)}
.sec-head,.section-head{margin-bottom:3.2rem}
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--font);font-weight:700;font-size:.76rem;letter-spacing:2px;text-transform:uppercase;color:var(--primary)}
.eyebrow::before{content:"";width:28px;height:3px;background:var(--primary);border-radius:2px}
.sec-head h2,.section-head h2{font-family:var(--font);font-weight:800;font-size:clamp(1.7rem,3vw,2.4rem);letter-spacing:-.3px;margin:.7rem 0 .5rem;color:var(--ink)}
.section-sub,.sec-head p{color:var(--muted);font-size:1rem;max-width:560px}
.center-cta{text-align:center;margin-top:3rem}

/* ---------- 两栏（关于 / 营销 / 服务） ---------- */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.two-col-text{max-width:560px}
.two-col-text p{color:var(--muted);margin:14px 0;font-size:1.01rem}
.check-list{list-style:none;margin:22px 0 30px;display:grid;gap:.82rem}
.check-list li{display:flex;gap:.7rem;align-items:flex-start;color:var(--ink);font-weight:500;font-size:.97rem}
.check-list svg{color:#fff;background:var(--primary);border-radius:50%;width:22px;height:22px;padding:3px;margin-top:2px;flex:none;stroke-width:3}
.two-col-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md)}
.two-col-media img{width:100%;height:420px;object-fit:cover}
.media-badge{position:absolute;left:16px;bottom:16px;display:inline-flex;align-items:center;gap:.5rem;background:#fff;color:var(--primary);padding:.6rem 1.1rem;border-radius:999px;font-family:var(--font);font-weight:600;font-size:.84rem;box-shadow:var(--shadow-md)}
.media-badge svg{color:var(--accent)}

/* ---------- 关于我们（内页） ---------- */
.about-banner-wrap{padding:0 0 8px}
.about-banner{display:block;width:100%;height:auto;max-height:440px;object-fit:cover;background:var(--bg-alt);border-radius:var(--radius);box-shadow:var(--shadow-md)}
.about-layout{display:grid;grid-template-columns:240px 1fr;gap:44px;align-items:start}
.about-nav{position:sticky;top:96px;display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow-sm)}
.about-nav a{display:flex;align-items:center;gap:.6rem;padding:.7rem .9rem;border-radius:10px;color:var(--ink-2);font-weight:500;transition:.2s ease;font-size:.95rem}
.about-nav a svg{width:18px;height:18px;color:var(--primary)}
.about-nav a:hover,.about-nav a.active{background:var(--primary-soft);color:var(--primary)}
.about-content{display:flex;flex-direction:column;gap:18px}
.about-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 36px;scroll-margin-top:96px}
.about-block-head{display:flex;align-items:center;gap:.8rem;margin-bottom:16px}
.about-block-head svg{width:26px;height:26px;color:var(--primary);background:var(--primary-soft);border-radius:14px;padding:11px;box-sizing:content-box;flex:none}
.about-block-head h3{font-family:var(--font);font-size:1.5rem;font-weight:700}
.about-block-body p{color:var(--ink-2);margin-bottom:12px;font-size:1rem}
.about-block-body p:last-child{margin-bottom:0}
.about-block.has-media .about-block-inner{display:grid;grid-template-columns:1fr 340px;gap:26px;align-items:center}
.about-block-inner{display:block}
.about-block-media img{display:block;max-width:100%;height:auto;margin:0 auto;max-height:320px;object-fit:cover;background:#fff;border-radius:var(--radius-sm);box-shadow:var(--shadow-sm)}

/* ---------- 核心优势（首页 feat-card / 内页 feature） ---------- */
.feat-grid,.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feat-card,.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2rem 1.6rem;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;position:relative;overflow:hidden}
.feat-card:hover,.feature:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(27,75,140,.25)}
.ficon,.feature .ic{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--primary-soft);color:var(--primary);margin-bottom:1.3rem}
.ficon svg,.feature .ic{width:26px;height:26px;stroke-width:1.8}
.feat-card h3,.feature h3{font-family:var(--font);font-weight:700;font-size:1.18rem;margin-bottom:.55rem}
.feat-card p,.feature p{color:var(--muted);font-size:.93rem}

/* ---------- 产品（首页 prod-grid/pcard · 内页 product-grid/product-card） ---------- */
.prod-grid,.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pcard,.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;display:flex;flex-direction:column;text-decoration:none}
.pcard:hover,.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(27,75,140,.3)}
.pc-img{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.pc-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.pcard:hover .pc-img img,.product-card:hover .pc-img img{transform:scale(1.05)}
.pc-cat{position:absolute;top:14px;left:14px;padding:.34rem .78rem;border-radius:999px;background:rgba(27,75,140,.88);color:#fff;font-family:var(--font);font-weight:600;font-size:.74rem;z-index:5}
.pc-body{padding:1.3rem 1.4rem 1rem}
.pc-name{font-family:var(--font);font-weight:700;font-size:1.26rem;letter-spacing:.3px}
.pc-meta{display:flex;flex-wrap:wrap;gap:.4rem .85rem;margin-top:.7rem;color:var(--muted);font-size:.85rem}
.pc-meta span{display:inline-flex;align-items:center;gap:.33rem}
.pc-meta svg{width:15px;height:15px;color:var(--primary)}
.pc-grade{margin-left:auto;padding:.18rem .62rem;border-radius:8px;background:var(--bg-alt);color:var(--primary);font-family:var(--font);font-weight:700;font-size:.78rem}
.pc-foot{display:flex;align-items:center;justify-content:space-between;padding:.9rem 1.4rem;border-top:1px solid var(--line);font-family:var(--font);font-weight:600;font-size:.87rem;color:var(--primary);margin-top:auto}
.pc-foot svg{transition:transform .2s}
.pcard:hover .pc-foot svg,.product-card:hover .pc-foot svg{transform:translateX(4px)}

/* ---------- 筛选 ---------- */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:42px}
.filter-btn{border:1px solid var(--line);background:#fff;color:var(--ink-2);padding:.6rem 1.4rem;border-radius:999px;cursor:pointer;font-family:var(--font);font-size:.9rem;font-weight:600;transition:.2s ease}
.filter-btn:hover{border-color:var(--primary);color:var(--primary)}
.filter-btn.active{background:var(--primary);color:#fff;border-color:transparent;box-shadow:0 6px 18px rgba(27,75,140,.3)}

/* ---------- 新闻（首页 news-grid/ncard · 新闻页 news-list/news-full） ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ncard,.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.7rem 1.6rem;cursor:pointer;transition:transform .25s,box-shadow .25s,border-color .25s}
.ncard:hover,.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(27,75,140,.25)}
.ndate,.news-date{font-family:var(--font);font-weight:600;font-size:.84rem;color:var(--primary);letter-spacing:.5px}
.ntitle,.news-title,.news-full h3{font-family:var(--font);font-weight:700;font-size:1.14rem;line-height:1.4;margin:.7rem 0 .55rem;color:var(--ink)}
.nexcerpt,.news-excerpt{color:var(--muted);font-size:.91rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nmore{display:inline-flex;align-items:center;gap:.4rem;margin-top:1.1rem;font-family:var(--font);font-weight:600;font-size:.87rem;color:var(--primary)}
.nmore svg{transition:transform .2s}
.ncard:hover .nmore svg,.news-card:hover .nmore svg{transform:translateX(4px)}

.news-list{max-width:860px;display:grid;gap:22px}
.news-full{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 36px;transition:border-color .2s,box-shadow .2s}
.news-full:hover{border-color:rgba(27,75,140,.2);box-shadow:var(--shadow-sm)}
.nf-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.nf-tag{display:inline-flex;align-items:center;gap:5px;font-size:.78rem;color:var(--muted);background:var(--bg-alt);padding:.32rem 1rem;border-radius:999px}
.nf-tag svg{width:14px;height:14px;color:var(--primary)}
.news-full p{color:var(--ink-2);font-size:1rem;margin-top:.4rem}

/* ---------- CTA ---------- */
.cta-block{background:linear-gradient(135deg,var(--primary) 0%,#163a66 100%);border-radius:var(--radius);padding:64px 56px;text-align:center;color:#fff;position:relative;overflow:hidden}
.cta-block::after{content:"";position:absolute;right:-60px;bottom:-60px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(14,165,233,.25),transparent 70%)}
.cta-block h2{font-family:var(--font);font-weight:800;font-size:clamp(1.6rem,3vw,2.4rem);letter-spacing:-.3px;margin-bottom:.7rem;position:relative}
.cta-block p{color:rgba(255,255,255,.78);max-width:540px;margin:0 auto 2rem;font-size:1.02rem;position:relative}
.cta-block .hero-actions{justify-content:center;position:relative}

/* ---------- 内页 Hero（轻量清爽，白底） ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--bg-alt);border-bottom:1px solid var(--line)}
.page-hero .container{position:relative;padding-top:64px;padding-bottom:56px}
.page-hero .eyebrow{color:var(--primary)}
.page-hero .eyebrow::before{background:var(--primary)}
.page-hero h1{color:var(--ink);font-family:var(--font);font-weight:800;font-size:clamp(30px,4.4vw,48px);letter-spacing:-.5px;margin:8px 0 6px}
.page-hero p{color:var(--muted);font-size:1.05rem}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:18px 0 0}
.bc-inner{font-size:.83rem;color:var(--muted);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.bc-inner a{color:var(--muted);transition:color .2s}
.bc-inner a:hover{color:var(--primary)}
.bc-inner .sep{opacity:.5}
.bc-inner .current{color:var(--ink);font-weight:600}

/* ---------- 车型详情（深色图版 → 改为轻量清爽） ---------- */
.detail-hero{position:relative;overflow:hidden;background:var(--bg-alt);border-bottom:1px solid var(--line);padding:48px 0}
.detail-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:46px;align-items:center}
.detail-media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md);background:#fff}
.detail-media img{width:100%;height:auto;max-height:620px;object-fit:contain;display:block}
.detail-info .pc-cat{position:static;display:inline-block;background:var(--primary);color:#fff;padding:.36rem .9rem;margin-bottom:16px;box-shadow:none}
.detail-info h1{font-family:var(--font);font-size:clamp(32px,4.4vw,52px);letter-spacing:1px;margin-bottom:20px;color:var(--ink)}
.detail-tags{display:flex;gap:12px;flex-wrap:wrap;align-items:center;color:var(--ink-2);font-size:.9rem;margin-bottom:22px}
.detail-tags span{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);padding:.55rem 1rem;border-radius:999px}
.detail-tags svg{width:16px;height:16px;color:var(--primary)}
.detail-tags .pc-grade{margin-left:0;background:var(--primary-soft);color:var(--primary);font-family:var(--font);font-weight:700;font-size:.8rem}
.detail-desc{color:var(--muted);font-size:1rem;margin-bottom:28px}
.detail-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 参数矩阵 ---------- */
.spec-matrix-wrap{margin-top:8px}
.spec-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.spec-matrix{border-collapse:collapse;width:100%;min-width:680px;background:#fff;font-size:.92rem}
.spec-matrix th,.spec-matrix td{padding:.8rem 1rem;text-align:left;border-bottom:1px solid var(--line);border-right:1px solid var(--line);white-space:nowrap}
.spec-matrix thead th{background:var(--primary);color:#fff;font-weight:600;font-size:.88rem;font-family:var(--font)}
.spec-matrix thead th.spec-idx{background:#163a66}
.spec-matrix tbody tr:nth-child(even){background:var(--bg-alt)}
.spec-matrix .spec-rowlabel{background:var(--primary-soft);color:var(--primary);font-weight:600}
.spec-matrix td{color:var(--ink-2)}
.spec-matrix th.spec-group-head{background:var(--primary-soft);color:var(--primary);font-weight:700;border-left:3px solid var(--primary)}
.spec-matrix .spec-sub{position:relative;padding-left:36px}
.spec-matrix .spec-sub::before{content:"└";position:absolute;left:16px;color:var(--muted);font-weight:400}
.spec-matrix td.spec-same{color:var(--ink);font-weight:600;text-align:left}

/* ---------- 相关车型 / 图集 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.rel-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;text-align:center;text-decoration:none}
.rel-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(27,75,140,.3)}
.rel-card img{height:120px;width:100%;object-fit:cover}
.rel-card span{display:block;padding:12px;font-family:var(--font);font-weight:600;color:var(--ink)}

.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery-grid .g-item:first-child{grid-column:1 / -1}
.g-item{margin:0;border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow-sm);background:var(--bg-alt)}
.g-item img{width:100%;height:240px;object-fit:cover;transition:transform .3s ease;display:block}
.gallery-grid .g-item:first-child img{height:480px;object-fit:cover}
.g-item img:hover{transform:scale(1.05)}

/* ---------- 营销网络 区域卡 ---------- */
.region-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.region{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 24px;text-align:center;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.region:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(27,75,140,.25)}
.region svg{display:block;width:30px;height:30px;color:var(--primary);margin:0 auto 16px;background:var(--primary-soft);border-radius:18px;padding:16px;box-sizing:content-box}
.region h3{font-family:var(--font);font-size:1.25rem;font-weight:700;margin-bottom:.4rem}
.region p{color:var(--muted);font-size:.9rem}

/* ---------- 联系我们（contact.html） ---------- */
.contact-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:46px;align-items:start}
.contact-info{display:grid;gap:14px}
.ci-card{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.ci-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:rgba(27,75,140,.25)}
.ci-card svg{width:22px;height:22px;color:var(--primary);background:var(--primary-soft);border-radius:13px;padding:12px;box-sizing:content-box;flex:none}
.ci-card b{display:block;font-size:.86rem;color:var(--muted);font-weight:600;margin-bottom:3px}
.ci-card p{color:var(--ink-2);font-size:.95rem}
.contact-form-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow-sm)}
.contact-form-wrap h3{font-family:var(--font);font-size:1.5rem;font-weight:700;margin-bottom:24px}
.contact-form{display:grid;gap:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form label{display:flex;flex-direction:column;gap:7px;font-size:.9rem;font-weight:600;color:var(--ink)}
.contact-form input,.contact-form textarea{font-family:var(--sc);font-size:.95rem;padding:.8rem 1rem;border:1.5px solid var(--line);border-radius:12px;background:var(--bg-alt);transition:.2s ease;font-weight:400;color:var(--ink)}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(27,75,140,.12)}
.form-note{font-size:.83rem;color:var(--muted);font-weight:400}
.map-band{padding:0 0 78px}
.map-placeholder{background:linear-gradient(135deg,var(--primary),#163a66);border-radius:var(--radius);padding:44px;display:flex;align-items:center;gap:18px;color:#fff}
.map-placeholder svg{width:46px;height:46px;color:#fff;flex:none}
.map-placeholder b{font-family:var(--font);font-size:1.25rem;display:block}
.map-placeholder p{color:rgba(255,255,255,.86);font-size:.95rem}
.map-frame{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line)}
.map-img{width:100%;height:420px;object-fit:cover;display:block}
.map-caption{position:absolute;left:18px;bottom:18px;display:flex;align-items:center;gap:10px;background:rgba(26,29,35,.84);color:#fff;padding:12px 18px;border-radius:999px;font-size:.9rem;backdrop-filter:blur(4px)}
.map-caption svg{width:18px;height:18px;color:var(--accent);flex:none}

/* ---------- 页脚（深色墨色，与首页一致；兼顾 .footer 与 .site-footer 两套类名） ---------- */
.footer,.site-footer{position:relative;background:var(--ink);color:rgba(255,255,255,.78);margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;padding:64px 24px 48px}
.footer .brand-text b,.footer .brand b,.site-footer .brand-text b,.site-footer .brand b{color:#fff}
.footer .brand-text i,.footer .brand i,.site-footer .brand-text i,.site-footer .brand i{color:rgba(255,255,255,.5)}
.footer-desc,.footer-about{margin-top:1rem;font-size:.91rem;color:rgba(255,255,255,.6);max-width:320px;line-height:1.7}
.footer-tags,.footer-social{display:flex;gap:.55rem;margin-top:1.2rem;flex-wrap:wrap}
.ftag,.badge-soft{display:inline-flex;align-items:center;gap:.38rem;padding:.36rem .75rem;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);font-size:.77rem;color:rgba(255,255,255,.8)}
.ftag svg,.badge-soft svg{color:var(--accent);width:14px;height:14px}
.fc h4,.footer-col h4{color:#fff;font-family:var(--font);font-weight:700;font-size:.96rem;margin-bottom:1.15rem;letter-spacing:.3px}
.fc a,.footer-col a{display:block;padding:.38rem 0;color:rgba(255,255,255,.6);font-size:.91rem;transition:color .2s,padding-left .2s}
.fc a:hover,.footer-col a:hover{color:#fff;padding-left:4px}
.fc-contact p,.contact-col p{display:flex;align-items:flex-start;gap:.55rem;font-size:.89rem;color:rgba(255,255,255,.6);margin-bottom:.7rem}
.fc-contact svg,.contact-col svg{color:var(--accent);margin-top:3px;width:16px;height:16px;flex:none}
.fbottom,.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:8px;padding:20px 0;font-size:.83rem;color:rgba(255,255,255,.45)}
.fbottom .container,.footer-bottom .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem}
.fbottom-en,.footer-en{font-family:var(--font);letter-spacing:1px}

/* ---------- 滚动渐显（.rv 与 .reveal 两种类名兼容） ---------- */
.rv,.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease}
.rv.in,.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .rv,.js .reveal{opacity:1!important;transform:none!important;transition:none!important}
  *{scroll-behavior:auto!important}
}

/* ---------- 响应式 ---------- */
@media(max-width:1024px){
  .main-nav,.header-actions .btn-ghost{display:none}
  .menu-toggle{display:inline-flex}
  .about-layout{grid-template-columns:1fr}
  .about-nav{position:static;flex-direction:row;flex-wrap:wrap}
  .about-block.has-media .about-block-inner{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr;gap:32px}
  .two-col-media img{height:340px}
  .feat-grid,.feature-grid{grid-template-columns:repeat(2,1fr)}
  .prod-grid,.product-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr}
  .news-list{grid-template-columns:1fr}
  .region-grid{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .detail-grid{grid-template-columns:1fr;gap:30px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-block{padding:48px 28px}
}
@media(max-width:620px){
  .container{padding:0 18px}
  .section{padding:70px 0}
  .feat-grid,.feature-grid,.prod-grid,.product-grid{grid-template-columns:1fr}
  .region-grid,.rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-content,.hero-inner{min-height:76vh;padding:100px 0 80px}
  .cta-block{margin:0 18px}
  .form-row{grid-template-columns:1fr}
  .stat b{font-size:1.9rem}
  .about-banner{height:220px}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .map-img{height:260px}
}