:root {
  --c-primary: #1e40af;
  --c-primary-dark: #1e3a8a;
  --c-secondary: #0f172a;
  --c-bg: #fafafa;
  --c-surface: #ffffff;
  --c-text: #0f172a;
  --c-muted: #64748b;
  --c-border: #e2e8f0;
  --c-success: #16a34a;
  --c-warning: #f59e0b;
  --c-danger: #dc2626;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
  --radius: 12px;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif; color: var(--c-text); background: var(--c-bg); line-height: 1.5; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0 0 12px; line-height: 1.2; }
h1 { font-size: 2.5rem; font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: 1.75rem; font-weight: 700; margin-top: 2rem; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin: 0 0 12px; }
.lead { font-size: 1.125rem; color: var(--c-muted); }

/* === Topbar === */
.topbar { background: rgba(255,255,255,0.8); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-bottom: 1px solid var(--c-border); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm); }
/* 导航行铺满全宽：logo 贴最左端、导航+语言切换贴最右端（不受 1280 容器限制） */
.nav-row { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; gap: 16px; flex-wrap: wrap; min-height: 92px; max-width: none; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--c-text); }
/* logo 显示尺寸放大 30% */
.logo-img { display: block; width: auto; height: auto; max-height: 104px; max-width: 286px; object-fit: contain; flex-shrink: 0; }
.logo-text { font-size: 15px; letter-spacing: 0.5px; }
.logo-mark { background: var(--c-primary); color: white; width: 32px; height: 32px; display: inline-flex; align-items: center; justify-content: center; border-radius: 8px; font-size: 14px; }
/* logo 直接靠左，主导航 + 语言切换作为一个整体贴右（auto margin 吃掉中间弹性空隙） */
.main-nav { display: flex; gap: 4px; margin-left: auto; }
.main-nav a { padding: 8px 14px; border-radius: 8px; color: var(--c-text); font-weight: 500; font-size: 16px; }
.main-nav a:hover { background: #f1f5f9; text-decoration: none; }
.main-nav a.active { background: var(--c-primary); color: white; }
.lang-switch { display: flex; gap: 4px; }
.lang-switch a { padding: 8px 12px; border-radius: 6px; font-size: 12px; font-weight: 600; color: var(--c-muted); border: 1px solid var(--c-border); }
.lang-switch a.active { background: var(--c-primary); color: white; border-color: var(--c-primary); }

/* === Banner Carousel === */
.banner-carousel { position: relative; overflow: hidden; background: #0f172a; }
.banner-carousel .bc-slides { display: flex; transition: transform 0.6s ease; }
.banner-carousel .bc-slide { min-width: 100%; position: relative; }
.banner-carousel .bc-slide img { width: 100%; aspect-ratio: 21 / 9; object-fit: cover; display: block; }
.banner-carousel .bc-prev,
.banner-carousel .bc-next { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(0,0,0,0.35); color: #fff; border: none; width: 44px; height: 44px; border-radius: 50%; cursor: pointer; font-size: 22px; line-height: 1; display: inline-flex; align-items: center; justify-content: center; }
.banner-carousel .bc-prev:hover,
.banner-carousel .bc-next:hover { background: rgba(0,0,0,0.55); }
.banner-carousel .bc-prev { left: 12px; }
.banner-carousel .bc-next { right: 12px; }
.banner-carousel .bc-dots { position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; }
.banner-carousel .bc-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.45); border: none; cursor: pointer; }
.banner-carousel .bc-dot.active { background: #fff; }
@media (max-width: 768px) {
  .banner-carousel .bc-slide img { aspect-ratio: 16 / 9; }
  .banner-carousel .bc-prev,
  .banner-carousel .bc-next { width: 36px; height: 36px; font-size: 18px; }
}

/* === Hero === */
.hero { padding: 64px 0 32px; }
.hero-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 48px; align-items: center; }
.hero h1 { font-size: 3rem; }
.hero .badge { display: inline-block; padding: 6px 12px; background: #dbeafe; color: var(--c-primary); border-radius: 999px; font-size: 12px; font-weight: 600; margin-bottom: 16px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: 8px; font-weight: 600; font-size: 15px; cursor: pointer; border: none; transition: all 0.15s; }
.btn-primary { background: var(--c-primary); color: white; }
.btn-primary:hover { background: var(--c-primary-dark); text-decoration: none; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-secondary { background: white; color: var(--c-text); border: 1px solid var(--c-border); }
.btn-secondary:hover { background: #f8fafc; text-decoration: none; }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.trust-row { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 24px; font-size: 13px; color: var(--c-muted); }
.trust-item { padding: 4px 0; }
.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat-card { background: var(--c-surface); border: 1px solid var(--c-border); padding: 24px; border-radius: var(--radius); text-align: center; box-shadow: var(--shadow-sm); }
.stat-num { font-size: 2rem; font-weight: 800; color: var(--c-primary); }
.stat-label { font-size: 12px; color: var(--c-muted); margin-top: 4px; }

/* === Sections === */
.section { padding: 48px 0; }
.section-sub { color: var(--c-muted); font-size: 1.05rem; margin-bottom: 24px; }
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.why-card { background: var(--c-surface); padding: 24px; border-radius: var(--radius); border: 1px solid var(--c-border); }
.why-card h3 { color: var(--c-primary); margin-bottom: 8px; }

/* === Products === */
.cat-h3 { margin-top: 32px; margin-bottom: 16px; font-size: 1.1rem; color: var(--c-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.product-card { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; transition: all 0.2s; display: flex; flex-direction: column; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--c-primary); text-decoration: none; }
.product-card-main { flex: 1; display: flex; flex-direction: column; color: inherit; }
.product-card-main:hover { text-decoration: none; }
.product-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 10px; padding: 14px 20px; border-top: 1px solid var(--c-border); margin-top: auto; background: #f8fafc; }
.product-actions .cta-link { margin-top: 0; }
.btn-sm { padding: 8px 16px; font-size: 13px; border-radius: 6px; }
.product-image { aspect-ratio: 4/3; background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%); display: flex; align-items: center; justify-content: center; padding: 16px; }
.product-image img { max-width: 100%; max-height: 100%; }
.product-image-ph { font-size: 56px; line-height: 1; }
.product-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.product-cat { font-size: 11px; color: var(--c-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }
.product-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.product-card p { font-size: 13px; color: var(--c-muted); flex: 1; }
.product-meta { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0; }
.meta-chip { background: #f1f5f9; padding: 4px 8px; border-radius: 6px; font-size: 11px; font-weight: 600; color: var(--c-text); }
.cta-link { color: var(--c-primary); font-weight: 600; font-size: 14px; margin-top: 8px; }

/* === Delivery === */
.delivery-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.delivery-card { background: var(--c-surface); padding: 24px; border-radius: var(--radius); border: 1px solid var(--c-border); }
.delivery-icon { font-size: 28px; margin-bottom: 8px; }
.delivery-card h3 { font-size: 1rem; margin-bottom: 6px; }
.delivery-card p { font-size: 14px; color: var(--c-muted); margin: 0; }

/* === Product page === */
.back-link { display: inline-block; margin: 16px 0; color: var(--c-muted); font-size: 14px; }
.product-page { background: var(--c-surface); padding: 32px; border-radius: var(--radius); border: 1px solid var(--c-border); margin-bottom: 32px; }
.product-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; margin-bottom: 32px; padding-bottom: 32px; border-bottom: 1px solid var(--c-border); }
.product-hero img { width: 100%; max-height: 300px; object-fit: contain; }
.price-tag { font-size: 2rem; font-weight: 800; color: var(--c-primary); margin: 12px 0; }
.quick-meta { display: flex; gap: 16px; flex-wrap: wrap; color: var(--c-muted); font-size: 14px; }
.product-content h1 { font-size: 2rem; }
.product-content h2 { font-size: 1.5rem; margin-top: 32px; padding-top: 16px; border-top: 1px solid var(--c-border); }
.product-content h3 { font-size: 1.15rem; margin-top: 24px; }
.product-content p { margin-bottom: 12px; color: var(--c-text); }
.specs-table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.specs-table td { padding: 10px 12px; border-bottom: 1px solid var(--c-border); font-size: 14px; }
.specs-table td:first-child { width: 35%; background: #f8fafc; }
.bullets { padding-left: 20px; }
.bullets li { margin-bottom: 8px; }
.faq-item { background: #f8fafc; padding: 16px; border-radius: 8px; margin-bottom: 12px; }
.faq-item summary { cursor: pointer; font-weight: 600; }
.faq-item p { margin-top: 12px; margin-bottom: 0; color: var(--c-muted); }
.seo-audit { margin-top: 24px; padding: 12px 16px; background: #fef9c3; border: 1px solid #fde047; border-radius: 8px; font-size: 12px; color: #713f12; font-family: 'SF Mono', monospace; }

/* === Quote === */
.quote-page { max-width: 720px; margin: 0 auto; padding: 32px 0; }
.quote-page h1 { font-size: 2rem; }
.quote-form { background: var(--c-surface); padding: 32px; border-radius: var(--radius); border: 1px solid var(--c-border); margin-top: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 12px; }
.quote-form label { display: block; font-size: 13px; font-weight: 600; color: var(--c-muted); margin-bottom: 12px; }
.quote-form input, .quote-form select, .quote-form textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--c-border); border-radius: 8px; font-size: 14px; font-family: inherit; margin-top: 4px; }
.quote-form input:focus, .quote-form select:focus, .quote-form textarea:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1); }
.quote-form button { width: 100%; margin-top: 8px; }
.success-card { text-align: center; padding: 48px; background: #dcfce7; border-radius: var(--radius); margin-top: 24px; }
.success-icon { font-size: 48px; color: var(--c-success); }

/* === CTA section === */
.cta-section { background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%); color: white; padding: 48px; border-radius: var(--radius); text-align: center; }
.cta-section h2 { color: white; }

/* === Dashboard === */
.dashboard { padding: 32px 0; }
.dashboard h1 { font-size: 2rem; }
.dashboard h2 { font-size: 1.25rem; margin-top: 32px; padding-top: 16px; border-top: 1px solid var(--c-border); }
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin: 24px 0; }
.stat-box { background: var(--c-surface); padding: 20px; border-radius: 8px; text-align: center; border: 1px solid var(--c-border); }
.stat-box .stat-num { font-size: 1.75rem; }
.data-table { width: 100%; border-collapse: collapse; background: var(--c-surface); border-radius: 8px; overflow: hidden; border: 1px solid var(--c-border); margin-top: 8px; font-size: 13px; }
.data-table th { background: #f8fafc; padding: 10px 12px; text-align: left; font-weight: 600; color: var(--c-muted); text-transform: uppercase; font-size: 11px; letter-spacing: 0.05em; }
.data-table td { padding: 10px 12px; border-top: 1px solid var(--c-border); }
.data-table code { font-size: 11px; background: #f1f5f9; padding: 2px 6px; border-radius: 4px; }
.data-table select { padding: 4px 8px; border-radius: 6px; border: 1px solid var(--c-border); font-size: 12px; }
.market-row { display: flex; flex-direction: column; gap: 8px; }
.market-bar { display: grid; grid-template-columns: 80px 1fr 50px; align-items: center; gap: 12px; }
.market-label { font-size: 12px; font-weight: 600; color: var(--c-muted); }
.market-fill { background: linear-gradient(90deg, #1e40af 0%, #3b82f6 100%); height: 24px; border-radius: 6px; min-width: 4px; }
.market-num { font-size: 13px; font-weight: 600; text-align: right; }
.insights-list { display: flex; flex-direction: column; gap: 12px; }
.insight { background: var(--c-surface); padding: 16px; border-radius: 8px; border-left: 4px solid var(--c-primary); }
.insight.severity-1 { border-left-color: var(--c-warning); }
.insight.severity-2 { border-left-color: #f97316; }
.insight.severity-3 { border-left-color: var(--c-danger); }
.insight-head { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.insight-head .badge { background: #f1f5f9; padding: 2px 8px; border-radius: 4px; font-size: 11px; }
.insight-time { color: var(--c-muted); font-size: 11px; margin-left: auto; }
.insight p { margin: 0; font-size: 13px; color: var(--c-muted); }
.intent-hot { background: #fee2e2; color: #991b1b; }
.intent-warm { background: #fef3c7; color: #92400e; }
.intent-cold { background: #dbeafe; color: #1e40af; }

/* === News (前台新闻系统) === */
.news-section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 8px; flex-wrap: wrap; }
.news-section-head h2 { margin-bottom: 4px; }
.news-page { padding: 32px 0 8px; }
.news-page-head { margin-bottom: 8px; }
.news-page-head h1 { font-size: 2.2rem; margin-bottom: 8px; }
.breadcrumb { font-size: 13px; color: var(--c-muted); margin: 12px 0 20px; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; }
.breadcrumb li + li::before { content: "›"; margin-right: 6px; color: #cbd5e1; }
.breadcrumb a { color: var(--c-muted); }
.breadcrumb a:hover { color: var(--c-primary); }
.breadcrumb li[aria-current="page"] { color: var(--c-text); font-weight: 600; }
.cat-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 28px; }
.cat-chip { padding: 7px 16px; border-radius: 999px; background: var(--c-surface); border: 1px solid var(--c-border); font-size: 13px; font-weight: 600; color: var(--c-muted); transition: all 0.15s; }
.cat-chip:hover { border-color: var(--c-primary); color: var(--c-primary); text-decoration: none; }
.cat-chip.active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.news-card { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); transition: all 0.2s; overflow: hidden; display: flex; }
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--c-primary); }
.news-card-link { display: flex; flex-direction: column; padding: 0; flex: 1; color: var(--c-text); }
.news-card-link:hover { text-decoration: none; }
.news-card-media { aspect-ratio: 1/1; overflow: hidden; background: #eef1f5; border-bottom: 1px solid var(--c-border); }
.news-card-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.45s ease; }
.news-card:hover .news-card-media img { transform: scale(1.05); }
.news-card-body { display: flex; flex-direction: column; flex: 1; padding: 22px; }
.news-card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.news-cat { display: inline-block; background: #dbeafe; color: var(--c-primary); font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 999px; letter-spacing: 0.02em; }
.news-card time { font-size: 12px; color: var(--c-muted); white-space: nowrap; }
.news-card h3 { font-size: 1.08rem; line-height: 1.4; margin-bottom: 10px; }
.news-card p { font-size: 13.5px; color: var(--c-muted); flex: 1; margin-bottom: 14px; }
.news-empty { background: var(--c-surface); border: 1px dashed var(--c-border); border-radius: var(--radius); padding: 48px; text-align: center; color: var(--c-muted); }
.pagination { display: flex; gap: 8px; justify-content: center; margin: 40px 0 8px; }
.page-btn { min-width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center; padding: 0 10px; border-radius: 8px; background: var(--c-surface); border: 1px solid var(--c-border); font-weight: 600; font-size: 14px; color: var(--c-text); }
.page-btn:hover { border-color: var(--c-primary); color: var(--c-primary); text-decoration: none; }
.page-btn.active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }

/* 新闻详情 */
.news-detail { padding: 24px 0 8px; }
.news-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 28px; align-items: start; }
.news-main { min-width: 0; }
.news-article { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 40px 48px; }
.news-sidebar { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 120px; }
.side-widget { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 22px; }
.side-title { font-size: 1.05rem; margin: 0 0 14px; padding-bottom: 10px; border-bottom: 2px solid var(--c-primary); }
.side-desc { font-size: 13px; color: var(--c-muted); margin: 0 0 14px; line-height: 1.6; }
.side-contact-list { list-style: none; margin: 0 0 16px; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.side-contact-list li { display: flex; align-items: flex-start; gap: 9px; font-size: 13.5px; color: var(--c-text); overflow-wrap: anywhere; line-height: 1.5; }
.sc-ico { flex: 0 0 auto; font-size: 13px; line-height: 1.5; }
.side-btn { display: flex; width: 100%; justify-content: center; }
.hot-list { display: flex; flex-direction: column; gap: 14px; }
.hot-item { display: flex; gap: 12px; align-items: center; color: var(--c-text); }
.hot-item:hover { text-decoration: none; }
.hot-item:hover .hot-name { color: var(--c-primary); }
.hot-thumb { width: 66px; height: 66px; aspect-ratio: 1/1; flex: 0 0 auto; border-radius: 8px; overflow: hidden; background: #f1f5f9; border: 1px solid var(--c-border); display: flex; align-items: center; justify-content: center; }
.hot-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hot-thumb-ph { font-size: 24px; }
.hot-info { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.hot-name { font-size: 13px; font-weight: 600; line-height: 1.4; }
.hot-price { font-size: 12px; color: var(--c-primary); font-weight: 700; }
.mini-news-list { display: flex; flex-direction: column; gap: 4px; }
.mini-news { display: flex; flex-direction: row; align-items: center; gap: 11px; color: var(--c-text); padding: 9px 0; border-bottom: 1px dashed var(--c-border); }
.mini-news:last-child { border-bottom: 0; }
.mini-news:hover { text-decoration: none; }
.mini-news:hover .mini-title { color: var(--c-primary); }
.mini-thumb { width: 56px; height: 56px; aspect-ratio: 1/1; flex: 0 0 auto; border-radius: 8px; object-fit: cover; background: #f1f5f9; border: 1px solid var(--c-border); }
.mini-thumb-ph { display: inline-flex; align-items: center; justify-content: center; font-size: 20px; }
.mini-info { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.mini-info time { font-size: 11.5px; color: var(--c-muted); }
.mini-title { font-size: 13px; font-weight: 600; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.side-empty { font-size: 13px; color: var(--c-muted); margin: 0; }
@media (max-width: 1024px) {
  .news-layout { grid-template-columns: 1fr; }
  .news-sidebar { position: static; }
}
@media (max-width: 768px) {
  .news-layout { grid-template-columns: 1fr; }
  .news-sidebar { position: static; }
  .news-article { padding: 24px 20px; }
}
.news-article-head h1 { font-size: 2.1rem; margin: 12px 0 16px; line-height: 1.25; }
.news-meta { display: flex; align-items: center; gap: 10px; color: var(--c-muted); font-size: 13px; }
.news-meta-sep { color: #cbd5e1; }
.news-cover { margin: 24px 0; }
.news-cover img { width: 100%; max-height: 460px; object-fit: cover; border-radius: var(--radius); }
.news-body { margin-top: 24px; font-size: 16px; line-height: 1.75; color: #1e293b; overflow-wrap: break-word; }
.news-body h2 { font-size: 1.45rem; margin-top: 32px; padding-top: 16px; border-top: 1px solid var(--c-border); }
.news-body h3 { font-size: 1.15rem; margin-top: 24px; }
.news-body p { margin-bottom: 16px; }
.news-body a { word-break: break-all; }
.news-body ul, .news-body ol { padding-left: 24px; margin-bottom: 16px; }
.news-body li { margin-bottom: 6px; }
.news-body img { display: block; width: 100%; height: auto; border-radius: 8px; }
.news-body blockquote { border-left: 4px solid var(--c-primary); margin: 20px 0; padding: 8px 20px; background: #f8fafc; color: var(--c-muted); border-radius: 0 8px 8px 0; }
.news-body table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; }
.news-body th, .news-body td { border: 1px solid var(--c-border); padding: 8px 12px; text-align: left; }
.news-body th { background: #f8fafc; }
.news-article-foot { margin: 24px 0 40px; }
.news-cta { margin-bottom: 48px; }
.news-msg { margin: 10px 0 48px; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 40px; }
.news-msg h2 { font-size: 1.5rem; margin: 0 0 6px; }
.news-msg .contact-sub { margin-bottom: 26px; }
.news-msg .message-form { max-width: 720px; }
@media (max-width: 768px) {
  .news-msg { padding: 24px 20px; }
}

/* ============ About Us 关于我们页 ============ */
.about-page .news-page-head { margin-bottom: 8px; }
.about-banner { line-height: 0; } /* preBody 全宽横幅, 紧贴导航栏下方 */
.about-banner img { width: 100%; height: auto; display: block; }
/* 栏目页顶部横幅(Vehicles/News/Contact 共用, preBody 全宽) */
.page-banner { line-height: 0; }
.page-banner img { width: 100%; height: auto; display: block; }
.about-hero { display: flex; flex-direction: column; gap: 26px; margin: 18px 0 8px; }
.about-intro { min-width: 0; }
.about-body { margin-top: 0; font-size: 16px; line-height: 1.8; color: #1e293b; }
.about-media { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 12px; overflow: hidden; }
.about-media video { width: 100%; display: block; border-radius: 8px; background: #0f172a; aspect-ratio: 16/9; object-fit: cover; }
.about-block { margin-top: 40px; }
.about-block > h2 { font-size: 1.5rem; padding-bottom: 10px; border-bottom: 2px solid var(--c-primary); }
.about-contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 22px; }
.about-contact-grid .about-ci { display: flex; gap: 14px; align-items: flex-start; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 18px 20px; }
.about-contact-grid .about-ci .ci-icon { margin-top: 2px; }
.about-videos-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 22px; }
.about-video { margin: 0; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 10px; }
.about-video video { width: 100%; display: block; border-radius: 8px; background: #0f172a; aspect-ratio: 16/9; object-fit: cover; }
.about-video figcaption { font-size: 14px; font-weight: 600; line-height: 1.4; padding: 12px 6px 6px; color: var(--c-text); }

/* ============ 关于我们页:团队板块 ============ */
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 22px; margin-top: 22px; }
.team-card { margin: 0; max-width: 420px; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .18s, transform .18s; }
.team-card:hover { box-shadow: 0 8px 24px rgba(15, 23, 42, .08); transform: translateY(-2px); }
.team-photo { width: 100%; aspect-ratio: 4 / 3; background: #eef2f7; overflow: hidden; }
.team-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.team-photo-ph { display: flex; align-items: center; justify-content: center; font-size: 42px; color: #94a3b8; }
.team-body { padding: 16px 18px 20px; }
.team-body h3 { font-size: 1.02rem; margin: 0 0 8px; color: var(--c-text); line-height: 1.4; }
.team-body p { margin: 0; font-size: 14px; line-height: 1.75; color: var(--c-muted); }
.team-body p + p { margin-top: 8px; }
/* 产品详情页底部三区块:标题居中 */
.truck-extra > h2 { text-align: center; }
/* 产品详情页标签区下方:「我们的团队」固定每行 3 列 */
.team-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.team-grid-3 .team-card { max-width: none; }
/* 「报价请求」独立区块:整块水平居中 */
.truck-extra .about-hero { margin-top: 18px; }
.truck-quote-block { text-align: center; }
.truck-quote-subject { margin: 20px 0 0; font-size: 1.05rem; color: var(--c-text); line-height: 1.5; }
.truck-quote-block .message-form { max-width: 620px; margin: 14px auto 0; text-align: left; }
.truck-quote-block .message-form textarea { min-height: 130px; }
@media (max-width: 900px) { .team-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .team-grid-3 { grid-template-columns: 1fr; } }

/* ============ 关于我们页:工厂板块 ============ */
.about-factory-block .factory-banner { margin-top: 22px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--c-border); }
.about-factory-block .factory-banner img { width: 100%; height: auto; display: block; }
.about-factory-block .about-hero { margin-top: 22px; }
.about-page .about-block .message-form { max-width: 720px; margin-top: 4px; }
.about-page .about-block .contact-sub { margin-bottom: 22px; }
/* About 页 Contact Form 整块水平居中展示 */
.about-page .about-form-block { text-align: center; }
.about-page .about-form-block .message-form {
  margin: 4px auto 0; /* 水平居中 */
  text-align: left;   /* 表单内部文字保持左对齐 */
}
@media (max-width: 900px) {
  .about-hero { gap: 20px; }
  .about-videos-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .news-article { padding: 24px 20px; }
  .news-article-head h1 { font-size: 1.6rem; }
  .news-page-head h1 { font-size: 1.7rem; }
  .news-grid { grid-template-columns: 1fr; }
}

/* === Footer === */
.site-footer { margin-top: 64px; background: var(--c-secondary); color: #cbd5e1; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1.9fr) minmax(0, 1.05fr) minmax(0, 1.3fr); gap: 40px 36px; padding: 46px 24px 34px; }
.footer-col { min-width: 0; }
.footer-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0 32px; align-items: start; }
.footer-split-single { grid-template-columns: 1fr; }
.footer-title { margin: 0 0 11px; font-size: 15px; font-weight: 700; color: #fff; letter-spacing: 0.24px; }
.footer-logo { display: inline-block; margin-bottom: 13px; }
.footer-logo-img { display: block; width: auto; height: auto; max-height: 54px; max-width: 230px; object-fit: contain; background: #fff; padding: 10px 16px; border-radius: 8px; }
.footer-intro { margin: 0; font-size: 13px; line-height: 1.4; color: #94a3b8; max-width: 460px; }
.footer-nav, .footer-contact { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.footer-nav a, .footer-contact a { color: #cbd5e1; font-size: 13.5px; transition: color .15s; }
.footer-nav a:hover, .footer-contact a:hover { color: #fff; text-decoration: none; }
.footer-contact li { font-size: 13.5px; line-height: 1.4; color: #cbd5e1; word-break: break-word; }
.footer-contact .fc-label { color: #94a3b8; }
/* Footer 内联系表单:深色卡片风 */
.site-footer .message-form { gap: 10px; }
.site-footer .message-form input, .site-footer .message-form textarea {
  background: #1e293b; border-color: #334155; color: #e2e8f0;
}
.site-footer .message-form input::placeholder, .site-footer .message-form textarea::placeholder { color: #7d8ba1; }
.site-footer .message-form textarea { min-height: 74px; }
.site-footer .message-form button[type="submit"] { width: 100%; }
.site-footer .contact-msg { font-size: 12.5px; padding: 8px 10px; }
.site-footer .contact-msg.ok { background: #052e16; color: #86efac; border-color: #166534; }
.site-footer .contact-msg.err { background: #450a0a; color: #fca5a5; border-color: #7f1d1d; }
.footer-bottom { border-top: 1px solid #1e293b; padding: 16px 0 20px; text-align: center; font-size: 13px; color: #94a3b8; }
@media (max-width: 980px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 24px; }
  .footer-split { grid-template-columns: 1fr; gap: 22px 0; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; padding-top: 34px; }
}

/* === Responsive === */
@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  .product-hero { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .main-nav { overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .main-nav::-webkit-scrollbar { display: none; }
  .main-nav a { padding: 6px 8px; white-space: nowrap; }
  h1 { font-size: 1.75rem; }
}

/* === 卡车前台详情页（后台卡车表驱动） === */
.truck-page { padding: 24px 0 8px; }
.truck-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 32px; align-items: start; margin-bottom: 30px; }
.truck-gallery { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 16px; }
.truck-main { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius); display: block; background: #f1f5f9; }
.truck-main-ph { display: flex; align-items: center; justify-content: center; font-size: 72px; color: var(--c-muted); }
.truck-thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.truck-thumb { width: 84px; height: 63px; object-fit: cover; border-radius: 8px; cursor: pointer; border: 2px solid transparent; opacity: .75; transition: opacity .15s; }
.truck-thumb:hover { opacity: 1; }
.truck-thumb.active { border-color: var(--c-primary); opacity: 1; }

/* ---- 详情页首屏:左图查看器 + 右信息栏 ---- */
.truck-top { display: grid; grid-template-columns: 1.05fr 1fr; gap: 28px; align-items: start; margin-bottom: 28px; }
.truck-viewer { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 16px; }
.tv-main { position: relative; border-radius: var(--radius); overflow: hidden; background: #f8fafc; }
.tv-main img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; display: block; }
.tv-arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 38px; height: 38px; border-radius: 50%; border: none; background: rgba(255, 255, 255, .92); color: #1e293b; font-size: 20px; line-height: 1; cursor: pointer; box-shadow: 0 2px 8px rgba(15, 23, 42, .18); display: flex; align-items: center; justify-content: center; z-index: 2; }
.tv-arrow:hover { background: #fff; }
.tv-prev { left: 10px; }
.tv-next { right: 10px; }
.tv-thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.tv-thumb { width: 84px; height: 63px; object-fit: cover; border-radius: 8px; cursor: pointer; border: 2px solid transparent; opacity: .75; transition: opacity .15s; }
.tv-thumb:hover { opacity: 1; }
.tv-thumb.active { border-color: var(--c-primary); opacity: 1; }
.truck-head h1 { font-size: 1.65rem; line-height: 1.3; margin: 10px 0 8px; }
.truck-meta { list-style: none; margin: 16px 0 2px; padding: 0; border-top: 1px solid var(--c-border); }
.ti-row { display: grid; grid-template-columns: 132px 1fr; gap: 12px; padding: 7px 0; border-bottom: 1px dashed var(--c-border); font-size: 14px; }
.ti-k { color: var(--c-muted); }
.ti-v { font-weight: 500; word-break: break-word; }
.truck-share { display: flex; align-items: center; gap: 10px; margin: 14px 0 18px; font-size: 13.5px; color: var(--c-muted); }
.share-btn { width: 30px; height: 30px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 13px; text-decoration: none; }
.share-fb { background: #1877f2; }
.share-x { background: #0f1419; }
.share-in { background: #0a66c2; }
.share-pin { background: #e60023; }
.share-btn:hover { opacity: .85; }
.truck-cta-full { width: 100%; text-align: center; }
@media (max-width: 900px) {
  .truck-top { grid-template-columns: 1fr; gap: 18px; }
  .truck-head h1 { font-size: 1.35rem; }
  .ti-row { grid-template-columns: 112px 1fr; }
}

/* ---- 详情页图片标签:完整大图 + 灯箱 ---- */
.truck-detail-imgs { display: flex; flex-direction: column; gap: 16px; }
.truck-detail-imgs img { width: 100%; height: auto; display: block; border-radius: var(--radius); background: #f1f5f9; cursor: zoom-in; }
.img-lightbox { position: fixed; inset: 0; z-index: 9999; background: rgba(15, 23, 42, .9); display: none; align-items: center; justify-content: center; padding: 48px 64px; }
.img-lightbox.open { display: flex; }
.img-lightbox img { max-width: min(1100px, 100%); max-height: 86vh; width: auto; height: auto; border-radius: 8px; box-shadow: 0 24px 64px rgba(0, 0, 0, .5); }
.img-lightbox .lb-close, .img-lightbox .lb-prev, .img-lightbox .lb-next {
  position: absolute; width: 44px; height: 44px; border-radius: 50%; border: none;
  background: rgba(255, 255, 255, .14); color: #fff; font-size: 22px; line-height: 1;
  cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background .15s;
}
.img-lightbox .lb-close:hover, .img-lightbox .lb-prev:hover, .img-lightbox .lb-next:hover { background: rgba(255, 255, 255, .32); }
.img-lightbox .lb-close { top: 20px; right: 20px; }
.img-lightbox .lb-prev { left: 16px; top: 50%; transform: translateY(-50%); }
.img-lightbox .lb-next { right: 16px; top: 50%; transform: translateY(-50%); }
@media (max-width: 768px) {
  .img-lightbox { padding: 20px; }
  .img-lightbox .lb-prev { left: 8px; }
  .img-lightbox .lb-next { right: 8px; }
  .img-lightbox .lb-close, .img-lightbox .lb-prev, .img-lightbox .lb-next { width: 38px; height: 38px; }
}
.truck-info { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 28px; }
.truck-cat { display: inline-block; font-size: 12.5px; font-weight: 700; color: var(--c-primary); text-transform: uppercase; letter-spacing: .04em; }
.truck-info h1 { font-size: 1.9rem; line-height: 1.25; margin: 12px 0 18px; }
.truck-price { font-size: 15px; color: var(--c-muted); margin-bottom: 6px; }
.truck-price b { font-size: 2.1rem; color: var(--c-primary); }
.truck-price .price-inquiry { font-size: 1.6rem; color: var(--c-primary); font-weight: 700; }
.truck-desc-lead { color: var(--c-muted); line-height: 1.6; margin-bottom: 22px; }
.truck-content { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 36px 42px; margin-bottom: 24px; }
.truck-body { margin-top: 0; }
.truck-foot { margin: 16px 0 36px; }
@media (max-width: 900px) {
  .truck-layout { grid-template-columns: 1fr; }
  .truck-info h1 { font-size: 1.5rem; }
  .truck-content { padding: 22px 18px; }
}

/* ============ Contact Us 联系我们页 ============ */
.contact-layout { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: start; }
.contact-left h1 { font-size: 1.9rem; margin: 0 0 6px; }
.contact-right h2 { font-size: 1.55rem; margin: 0 0 6px; }
.contact-sub { color: var(--c-muted); margin: 0 0 26px; font-size: 14.5px; }
.contact-info { display: flex; gap: 26px; align-items: flex-start; }
.contact-qr { flex-shrink: 0; text-align: center; }
.contact-qr img { display: block; width: 110px; height: 110px; object-fit: contain; border-radius: 4px; }
.contact-qr span { display: block; margin-top: 8px; font-size: 13px; color: var(--c-text); }
.contact-info-list { display: flex; flex-direction: column; gap: 6px; flex: 1; min-width: 0; border-right: 3px solid var(--c-primary); padding-right: 22px; }
.contact-info-item { display: flex; gap: 14px; align-items: center; padding: 9px 0; }
.ci-icon { flex-shrink: 0; width: 40px; height: 40px; border: 1.5px solid #bfdbfe; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; font-size: 17px; background: #eff6ff; }
.ci-body { display: flex; flex-direction: column; min-width: 0; }
.ci-label { font-weight: 700; font-size: 15px; }
.ci-value { font-size: 13.5px; color: var(--c-muted); overflow-wrap: break-word; }
.ci-value a { color: var(--c-muted); }
.ci-value a:hover { color: var(--c-primary); }
.message-form { display: flex; flex-direction: column; gap: 14px; }
.message-form input, .message-form textarea {
  width: 100%; padding: 14px 16px; border: 1px solid #e2e8f0; border-radius: 6px;
  background: #f1f5f9; font: inherit; font-size: 14px; color: var(--c-text);
}
.message-form input::placeholder, .message-form textarea::placeholder { color: #94a3b8; }
.message-form input:focus, .message-form textarea:focus {
  outline: none; background: #fff; border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}
.message-form textarea { resize: vertical; min-height: 150px; }
.message-form button[type="submit"] {
  background: var(--c-primary); color: #fff; border: none; border-radius: 6px;
  padding: 15px 20px; font: inherit; font-size: 15.5px; font-weight: 600; cursor: pointer;
  transition: background 0.15s ease;
}
.message-form button[type="submit"]:hover { background: var(--c-primary-dark); }
.message-form button[type="submit"]:disabled { opacity: 0.6; cursor: not-allowed; }
.contact-msg { margin: 0; font-size: 13.5px; padding: 10px 14px; border-radius: 6px; }
.contact-msg.ok { background: #dcfce7; color: #166534; border: 1px solid #86efac; }
.contact-msg.err { background: #fee2e2; color: #b91c1c; border: 1px solid #fca5a5; }
@media (max-width: 900px) {
  .contact-layout { grid-template-columns: 1fr; gap: 34px; }
  .contact-info { flex-direction: column; }
  .contact-info-list { border-right: none; padding-right: 0; }
}

/* ============ 漂浮客服组件(右侧固定) ============ */
.float-widget{position:fixed;right:14px;top:46%;transform:translateY(-50%);z-index:9990;display:flex;align-items:flex-start;gap:10px;}
.fw-card{position:relative;width:190px;background:#3d7bd9;color:#fff;border-radius:10px;padding:18px 14px 12px;box-shadow:0 8px 24px rgba(15,30,60,.28);display:none;text-align:center;}
.float-widget.fw-open .fw-card{display:block;}
.fw-name{font-weight:700;font-size:15px;letter-spacing:.5px;}
.fw-hello{font-size:13px;margin:4px 0 10px;opacity:.95;}
.fw-qr{width:100%;background:#fff;border-radius:6px;padding:6px;display:block;height:auto;}
.fw-qr-tip{font-size:11px;margin-top:8px;opacity:.85;}
.fw-close{position:absolute;top:4px;right:8px;background:none;border:none;color:#fff;font-size:20px;line-height:1;cursor:pointer;opacity:.8;padding:2px 4px;}
.fw-close:hover{opacity:1;}
.fw-btns{display:flex;flex-direction:column;gap:6px;}
.fw-btn{width:44px;height:44px;border-radius:8px;background:#fff;border:1px solid #dfe5ee;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 3px 10px rgba(15,30,60,.12);color:#3d7bd9;transition:background .15s,color .15s;text-decoration:none;padding:0;}
.fw-btn:hover{background:#3d7bd9;color:#fff;border-color:#3d7bd9;}
.fw-btn svg{width:22px;height:22px;fill:currentColor;}
@media (max-width: 768px){
  .float-widget{right:8px;top:auto;bottom:18px;transform:none;}
  .fw-card{width:158px;}
  .fw-btn{width:38px;height:38px;}
  .fw-btn svg{width:19px;height:19px;}
}

/* ============ 卡车详情页规格参数 ============ */
.truck-specs{max-width:1080px;margin:34px auto 0;padding:0 24px;}
.specs-title{font-size:22px;margin:0 0 14px;color:var(--c-text);}
.spec-group{background:#fff;border:1px solid var(--c-border);border-radius:10px;padding:14px 18px 6px;margin-bottom:14px;}
.spec-group h3{font-size:15px;margin:0 0 8px;color:var(--c-primary);letter-spacing:.3px;}
.spec-table{width:100%;border-collapse:collapse;font-size:14px;}
.spec-table tr{border-bottom:1px dashed #e8edf4;}
.spec-table tr:last-child{border-bottom:none;}
.spec-table td{padding:7px 6px;vertical-align:top;}
.spec-table .spec-k{width:42%;color:#5a6b80;}
.spec-table .spec-v{color:var(--c-text);font-weight:500;}
@media (min-width: 900px){
  .truck-specs .spec-group{display:inline-block;vertical-align:top;width:calc(50% - 7px);margin-right:14px;box-sizing:border-box;}
  .truck-specs .spec-group:nth-child(even){margin-right:0;}
}

/* ============ 卡车详情页:型号选择下拉 + 内容标签页(图片/参数/介绍/交付) ============ */
.truck-head { padding: 4px 0 16px; }
.truck-head h1 { font-size: 1.9rem; line-height: 1.25; margin: 8px 0 14px; }
.truck-cta-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.model-picker { display: flex; align-items: center; gap: 8px; margin-left: auto; flex-wrap: wrap; }
.model-picker label { font-weight: 600; font-size: 14px; color: var(--c-text); white-space: nowrap; }
.model-picker select { max-width: 360px; min-width: 220px; padding: 10px 12px; border: 1px solid var(--c-border); border-radius: 8px; font-size: 14px; background: #fff; color: var(--c-text); cursor: pointer; }
.model-select { flex: 1 1 240px; max-width: 420px; min-width: 220px; padding: 10px 12px; border: 1px solid var(--c-border); border-radius: 8px; font-size: 14px; background: #fff; color: var(--c-text); cursor: pointer; }
.model-specs { display: none; }
.model-specs.active { display: block; }
.truck-tabs { margin-top: 0; min-width: 0; }
.tab-bar { display: flex; flex-wrap: wrap; gap: 4px; border-bottom: 2px solid var(--c-border); }
.tab-btn { appearance: none; border: none; background: none; padding: 11px 20px; font-size: 15px; font-weight: 600; color: var(--c-muted); cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -2px; white-space: nowrap; transition: color .15s; }
.tab-btn:hover { color: var(--c-text); }
.tab-btn.active { color: var(--c-primary); border-bottom-color: var(--c-primary); }
.tab-panels { padding: 26px 0 6px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: hxFadeIn .18s ease; }
@keyframes hxFadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.tab-panel .truck-specs { margin: 0; padding: 0; max-width: none; }
.tab-panel .truck-content { margin: 0; }
.delivery-wrap { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 26px 28px; max-width: 940px; }
.d-item { background: #f8fafc; border: 1px solid var(--c-border); border-radius: 10px; padding: 14px 16px; }
.d-label { display: block; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--c-primary); margin-bottom: 6px; }
.d-value { font-size: 14.5px; line-height: 1.55; color: var(--c-text); }
.btn-outline { display: inline-block; padding: 11px 22px; border: 1.5px solid var(--c-primary); color: var(--c-primary); border-radius: var(--radius); font-weight: 600; text-decoration: none; transition: background .15s, color .15s; }
.btn-outline:hover { background: var(--c-primary); color: #fff; }
.delivery-foot { margin: 20px 0 0; }
@media (max-width: 768px) {
  .truck-head h1 { font-size: 1.45rem; }
  .model-picker { margin-left: 0; width: 100%; }
  .model-picker select { max-width: none; flex: 1; }
  .model-select { max-width: none; }
  .tab-btn { padding: 10px 13px; font-size: 13.5px; }
  .delivery-wrap { padding: 18px 16px; }
}

/* === 详情页右侧推荐产品侧栏 === */
.truck-detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 32px; align-items: start; margin-top: 0; }
.truck-sidebar { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 18px; }
.rec-title { font-size: 20px; font-weight: 700; color: var(--c-text); margin: 0 0 18px; }
.rec-list { display: flex; flex-direction: column; gap: 20px; }
.rec-card { display: flex; flex-direction: column; text-decoration: none; color: var(--c-text); border: 1px solid var(--c-border); border-radius: 10px; padding: 10px; background: #fff; transition: border-color .15s, box-shadow .15s; }
.rec-card:hover { border-color: var(--c-primary); box-shadow: 0 4px 14px rgba(15,23,42,.08); }
.rec-img { width: 100%; height: 200px; border-radius: 8px; overflow: hidden; background: #f1f5f9; display: flex; align-items: center; justify-content: center; color: var(--c-muted); font-size: 40px; margin-bottom: 12px; }
.rec-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.rec-body { min-width: 0; }
.rec-name { font-size: 15px; font-weight: 700; line-height: 1.4; color: #111827; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.rec-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--c-border); }
.rec-price { font-size: 15px; color: var(--c-primary); font-weight: 800; }
.rec-more { font-size: 13px; font-weight: 700; color: #fff; background: var(--c-primary); padding: 8px 16px; border-radius: 6px; white-space: nowrap; }
.rec-more:hover { opacity: .92; }
@media (max-width: 900px) {
  .truck-detail-layout { grid-template-columns: 1fr; }
  .truck-sidebar { position: static; }
  .rec-list { flex-direction: row; flex-wrap: wrap; }
  .rec-card { width: calc(50% - 10px); }
}

/* ---- 型号参数富文本内容(后台新闻式编辑器产出) ---- */
.model-params-content { font-size: 14.5px; line-height: 1.85; color: var(--c-text); }
.model-params-content img { max-width: 100%; height: auto; border-radius: 8px; margin: 10px 0; }
.model-params-content h2, .model-params-content h3 { margin: 18px 0 8px; }
.model-params-content p { margin: 8px 0; }
.model-params-content ul, .model-params-content ol { padding-left: 22px; margin: 8px 0; }
.model-params-content table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 13.5px; }
.model-params-content th, .model-params-content td { border: 1px solid var(--c-border); padding: 8px 12px; text-align: left; }
.model-params-content th { background: #f1f5f9; font-weight: 600; }
.model-params-content blockquote { border-left: 3px solid var(--c-primary); margin: 10px 0; padding: 6px 14px; color: var(--c-muted); background: #f8fafc; }

/* ============ 卡车详情页·参数表格(富文本): 去外层框线 + 表格通栏 ============ */
/* 采集来的参数富文本自带 .spec-group 卡片外壳(边框+圆角+50%宽), 这里展开为通栏并去掉外框 */
.tab-panel[data-panel="specs"] .model-params-content .spec-group {
  display: block; width: 100%; max-width: none;
  margin: 0 0 18px; padding: 0;
  background: none; border: 0; border-radius: 0;
}
.tab-panel[data-panel="specs"] .model-params-content .spec-group:last-child { margin-bottom: 0; }
/* 表格撑满容器, 去掉表格自身的外框线(内部分隔线保留) */
.tab-panel[data-panel="specs"] .model-params-content table {
  width: 100% !important; border: 0 !important; margin: 0; border-collapse: collapse;
}
.tab-panel[data-panel="specs"] .model-params-content table tr:first-child > th,
.tab-panel[data-panel="specs"] .model-params-content table tr:first-child > td { border-top: 0 !important; }
.tab-panel[data-panel="specs"] .model-params-content table tr:last-child > th,
.tab-panel[data-panel="specs"] .model-params-content table tr:last-child > td { border-bottom: 0 !important; }
.tab-panel[data-panel="specs"] .model-params-content table tr > th:first-child,
.tab-panel[data-panel="specs"] .model-params-content table tr > td:first-child { border-left: 0 !important; }
.tab-panel[data-panel="specs"] .model-params-content table tr > th:last-child,
.tab-panel[data-panel="specs"] .model-params-content table tr > td:last-child { border-right: 0 !important; }

/* ============ 在线客服聊天窗(漂浮按钮组最下方的客服按钮触发) ============ */
.chat-box{position:fixed;right:74px;top:50%;transform:translateY(-50%);z-index:9991;width:332px;max-height:min(540px,calc(100vh - 80px));background:#fff;border:1px solid #dfe5ee;border-radius:12px;box-shadow:0 16px 44px rgba(15,30,60,.24);display:none;flex-direction:column;overflow:hidden;}
.chat-box.open{display:flex;}
.chat-head{background:#3d7bd9;color:#fff;padding:12px 14px;display:flex;align-items:flex-start;justify-content:space-between;gap:8px;}
.chat-head-txt{display:flex;flex-direction:column;gap:3px;min-width:0;}
.chat-head-txt b{font-size:14.5px;letter-spacing:.2px;}
.chat-online{font-size:11.5px;opacity:.92;display:flex;align-items:center;gap:5px;}
.chat-online i{width:7px;height:7px;border-radius:50%;background:#4ade80;display:inline-block;flex:none;}
.chat-close{background:none;border:none;color:#fff;font-size:20px;line-height:1;cursor:pointer;opacity:.85;padding:0 2px;flex:none;}
.chat-close:hover{opacity:1;}
.chat-body{flex:1;min-height:190px;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;background:#f8fafc;}
.chat-msg{display:flex;flex-direction:column;max-width:84%;}
.chat-msg.me{align-self:flex-end;align-items:flex-end;}
.chat-msg.agent{align-self:flex-start;align-items:flex-start;}
.cm-bubble{padding:9px 12px;border-radius:12px;font-size:13.5px;line-height:1.55;word-break:break-word;}
.chat-msg.me .cm-bubble{background:#3d7bd9;color:#fff;border-bottom-right-radius:4px;}
.chat-msg.agent .cm-bubble{background:#fff;color:#1e293b;border:1px solid #e2e8f0;border-bottom-left-radius:4px;}
.cm-time{font-size:11px;color:#94a3b8;margin-top:4px;}
.chat-gate{padding:14px;border-top:1px solid #e8edf4;display:flex;flex-direction:column;gap:9px;background:#fff;}
.chat-gate p{margin:0;font-size:12.5px;color:#64748b;line-height:1.5;}
.chat-gate input{width:100%;box-sizing:border-box;border:1px solid #dfe5ee;border-radius:8px;padding:9px 11px;font-size:13.5px;font-family:inherit;color:#1e293b;}
.chat-gate input:focus{outline:none;border-color:#3d7bd9;}
.chat-gate button{border:none;background:#3d7bd9;color:#fff;border-radius:8px;padding:10px;font-size:13.5px;font-weight:600;cursor:pointer;font-family:inherit;}
.chat-gate button:hover{background:#2f68bd;}
.chat-input{padding:10px;border-top:1px solid #e8edf4;display:flex;gap:8px;align-items:flex-end;background:#fff;}
.chat-input textarea{flex:1;box-sizing:border-box;border:1px solid #dfe5ee;border-radius:8px;padding:9px 11px;font-size:13.5px;font-family:inherit;resize:none;height:38px;max-height:96px;line-height:1.4;color:#1e293b;}
.chat-input textarea:focus{outline:none;border-color:#3d7bd9;}
.chat-input button{border:none;background:#3d7bd9;color:#fff;border-radius:8px;padding:0 16px;height:38px;font-size:13.5px;font-weight:600;cursor:pointer;font-family:inherit;flex:none;}
.chat-input button:hover{background:#2f68bd;}
.chat-input button:disabled{opacity:.6;cursor:not-allowed;}
.fw-btn-chat{position:relative;}
.fw-dot{position:absolute;top:4px;right:4px;width:9px;height:9px;border-radius:50%;background:#ef4444;border:1.5px solid #fff;}
@media (max-width:768px){
  .chat-box{right:10px;left:10px;width:auto;top:auto;bottom:12px;transform:none;max-height:72vh;}
}
/* hidden 属性优先级修正: .chat-gate/.chat-input 的 display:flex 会压过 UA 的 [hidden] 规则 */
.chat-gate[hidden], .chat-input[hidden] { display: none; }

/* ===== 视频页 /:locale/videos (封面卡片网格 + 弹层播放) ===== */
.video-page { padding-bottom: 8px; }
.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.video-card { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; transition: transform .2s, box-shadow .2s, border-color .2s; display: flex; }
.video-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--c-primary); }
.video-card-btn { appearance: none; -webkit-appearance: none; display: flex; flex-direction: column; flex: 1; width: 100%; margin: 0; padding: 0; border: 0; background: none; font: inherit; color: inherit; text-align: left; cursor: pointer; }
.video-card-media { position: relative; display: block; aspect-ratio: 16/9; overflow: hidden; background: #0f172a; }
.video-card-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .45s ease; }
.video-card:hover .video-card-media img { transform: scale(1.05); }
.video-card-nocover { display: block; width: 100%; height: 100%; background: linear-gradient(135deg, #1e293b, #0f172a); }
.video-play { position: absolute; inset: 0; margin: auto; width: 58px; height: 58px; border-radius: 50%; background: rgba(255,255,255,.92); box-shadow: 0 6px 20px rgba(0,0,0,.28); transition: transform .2s, background .2s; }
.video-play::after { content: ''; position: absolute; left: 23px; top: 18px; border-style: solid; border-width: 11px 0 11px 18px; border-color: transparent transparent transparent var(--c-primary); }
.video-card:hover .video-play { transform: scale(1.08); background: #fff; }
.video-card-body { display: block; padding: 16px 18px 18px; flex: 1; }
.video-card-title { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 1rem; font-weight: 600; line-height: 1.4; color: var(--c-text); }
.video-card-desc { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-top: 7px; font-size: 13px; line-height: 1.5; color: var(--c-muted); }
body.video-modal-open { overflow: hidden; }
.video-modal { position: fixed; inset: 0; z-index: 300; display: flex; align-items: center; justify-content: center; padding: 24px; }
.video-modal-mask { position: absolute; inset: 0; background: rgba(15,23,42,.78); }
.video-modal-box { position: relative; z-index: 1; width: min(960px, 100%); background: #0f172a; border-radius: 14px; overflow: hidden; box-shadow: 0 24px 60px rgba(0,0,0,.5); }
.video-modal-box video { display: block; width: 100%; max-height: 68vh; background: #000; }
.video-modal-info { padding: 16px 20px 20px; }
.video-modal-info h3 { margin: 0 0 6px; font-size: 1.05rem; color: #fff; }
.video-modal-info p { margin: 0; font-size: 13.5px; line-height: 1.55; color: #cbd5e1; }
.video-modal-info p:empty { display: none; }
.video-modal-close { position: absolute; top: 10px; right: 10px; z-index: 2; width: 36px; height: 36px; border-radius: 50%; border: 1px solid rgba(255,255,255,.3); background: rgba(15,23,42,.65); color: #fff; font-size: 15px; line-height: 1; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background .15s; }
.video-modal-close:hover { background: rgba(220,38,38,.9); }
/* hidden 属性优先级修正: .video-modal 的 display:flex 会压过 UA 的 [hidden] 规则 */
.video-modal[hidden] { display: none; }
@media (max-width: 560px) {
  .video-grid { grid-template-columns: 1fr; }
  .video-modal { padding: 12px; }
  .video-modal-box video { max-height: 56vh; }
}

/* 页脚第二列: News/Videos 与 Vehicles 标题同字体(可点击标题) */
.footer-title-link { margin-top: 18px; }
.footer-title-link a { color: #fff; font-size: inherit; font-weight: inherit; }
.footer-title-link a:hover { color: #fff; text-decoration: none; }