/* ======= 顶部导航栏（内联，与 products.html 统一） ======= */
:root{
  --nav-red:#D8402A;
  --nav-red-deep:#AE2B16;
  --nav-red-soft:#FDEDE6;
  --nav-ink:#241A12;
  --nav-ink-2:#6E5D4E;
  --nav-line:#E9DED2;
}
.top-bar{background:var(--nav-ink);color:#fff;font-size:12px;padding:8px 0;font-family:'Inter',Arial,Helvetica,sans-serif}
.top-bar-inner{max-width:1650px;margin:0 auto;padding:0 70px;display:flex;justify-content:space-between;align-items:center}
.top-bar-left{display:flex;gap:24px;align-items:center}
.top-bar a{color:#fff;text-decoration:none;opacity:.85;transition:opacity .15s;display:inline-flex;align-items:center;gap:6px;line-height:normal}
.top-bar a:hover{opacity:1}
.top-bar-right{display:flex;gap:16px;align-items:center}
.top-bar-right a{opacity:.6}
  .top-bar-right a:hover{opacity:1}
.top-bar svg{width:14px;height:14px}
.main-nav{background:#fff;border-bottom:1px solid var(--nav-line);position:sticky;top:0;z-index:1000;box-shadow:0 1px 4px rgba(168,72,38,.04);font-family:'Inter',Arial,Helvetica,sans-serif}
.main-nav-inner{max-width:1650px;margin:0 auto;padding:0 70px;display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo-text{line-height:1.1;font-size:16px;font-weight:700;color:var(--nav-ink)}
.logo-text small{display:block;font-size:10px;font-weight:600;color:var(--nav-ink-2);letter-spacing:.05em;text-transform:uppercase;margin-top:2px}
.menu{display:flex;align-items:center;gap:4px;list-style:none}
.menu-item{position:relative}
.menu-link{display:flex;align-items:center;gap:5px;padding:8px 14px;font-size:15px;font-weight:500;color:var(--nav-ink);text-decoration:none;border-radius:8px;transition:color .15s,background .15s;cursor:pointer}
.menu-link:hover,.menu-item:hover>.menu-link{color:var(--nav-red);background:var(--nav-red-soft)}
.menu-link.active{color:var(--nav-red)}
.menu-arrow{width:10px;height:10px;transition:transform .2s}
.menu-item:hover>.menu-link .menu-arrow{transform:rotate(180deg)}
.dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:240px;background:#fff;border:1px solid var(--nav-line);border-radius:12px;box-shadow:0 12px 32px rgba(36,26,18,.1);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .18s,transform .18s,visibility .18s;list-style:none}
.menu-item:hover>.dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown li a{display:block;padding:10px 14px;font-size:14px;font-weight:500;color:var(--nav-ink);text-decoration:none;border-radius:8px;transition:background .12s,color .12s;white-space:nowrap}
.dropdown li a:hover{background:var(--nav-red-soft);color:var(--nav-red)}
.dropdown.products{min-width:260px;max-height:480px;overflow-y:auto}
.cta-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;background:var(--nav-red);color:#fff;font-size:14px;font-weight:700;text-decoration:none;border-radius:100px;transition:background .15s,transform .15s,box-shadow .15s;box-shadow:0 4px 14px rgba(216,64,42,.25)}
.cta-btn:hover{background:var(--nav-red-deep);transform:translateY(-1px);box-shadow:0 6px 20px rgba(216,64,42,.35)}
.cta-btn svg{width:16px;height:16px}
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.hamburger span{display:block;width:24px;height:2px;background:var(--nav-ink);border-radius:1px;transition:.2s}
@media (max-width:1024px){
  .menu{gap:0}
  .menu-link{padding:8px 10px;font-size:13px}
  .top-bar-left{gap:14px;font-size:11px}
  .top-bar-inner{padding:0 30px}
  .main-nav-inner{padding:0 30px}
}
@media (max-width:768px){
  .top-bar-inner{flex-direction:column;gap:6px}
  .top-bar-left{flex-wrap:wrap;justify-content:center}
  .menu{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--nav-line);flex-direction:column;padding:12px 24px 24px;gap:0;box-shadow:0 8px 24px rgba(36,26,18,.08)}
  .menu.open{display:flex}
  .menu-item{width:100%}
  .menu-link{width:100%;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--nav-line);border-radius:0}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding-left:16px;display:none}
  .menu-item.open>.dropdown{display:block}
  .hamburger{display:flex}
  .cta-btn{padding:10px 18px;font-size:12px}
  .main-nav-inner{height:60px}
}

/* ======= 新闻详情页专用样式 ======= */
.news-detail-wrap{max-width:1000px;margin:0 auto}
.page-container.article .news-detail-wrap{flex:1;min-width:0;max-width:none;margin:0}
.page-container.article .sidebar{flex-shrink:0;margin-right:0;margin-left:50px}
.sidebar .articles ul li{margin:0;border-bottom:1px dashed #e5e5e5}
.sidebar .articles ul li:last-child{border-bottom:0}
.sidebar .articles ul li a{display:block;padding:12px 0;transition:all .2s linear}
.sidebar .mod.articles ul li:hover>a{background-color:transparent;color:var(--color)}
.sidebar .articles ul li .date{display:block;font-size:12px;color:#9aa3ae;margin-bottom:4px}
.sidebar .articles ul li p{margin:0;font-size:15px;line-height:1.5;color:var(--fontcolor);display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;transition:color .2s linear}
.sidebar .articles ul li:hover p{color:var(--color)}
@media(max-width:1280px){.page-container.article .sidebar{margin-left:30px}}
@media(max-width:1024px){
  .page-container.article{flex-direction:column}
  .page-container.article .sidebar{margin-left:0;margin-top:40px}
}
.article-head{margin-bottom:28px}
.article-head h1{font-size:34px;line-height:1.35;font-weight:700;color:var(--fontcolor);margin:0 0 16px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:#8a929e;padding-bottom:20px;border-bottom:1px solid #ececec}
.article-tag{font-size:12px;font-weight:600;color:#fff;background:var(--color);border-radius:4px;padding:3px 10px;text-transform:uppercase;letter-spacing:.4px}
.article-tag.industry{background:#2f6fb2}
.article-body{line-height:1.9;font-size:16px;color:#333}
.article-body p{margin:0 0 18px}
.article-body h2{font-size:22px;color:var(--fontcolor);margin:26px 0 12px}
.article-body ul{margin:0 0 18px;padding-left:24px;list-style:disc}
.article-body li{margin-bottom:6px}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:0 0 22px;font-size:15px;line-height:1.6;border:1px solid #e9ecef;border-radius:8px;overflow:hidden}
.article-body th,.article-body td{padding:12px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #ececec}
.article-body th + th,.article-body td + td{border-left:1px solid #ececec}
.article-body thead th{background:var(--color-soft);color:var(--fontcolor);font-weight:600;border-bottom:2px solid var(--color)}
.article-body tbody tr:nth-child(even){background:#fafbfc}
.article-body tbody tr{transition:background .15s}
.article-body tbody tr:hover{background:var(--color-soft)}
.article-body tr:last-child td{border-bottom:none}
.article-body caption{caption-side:bottom;padding-top:8px;font-size:13px;color:#8a929e;text-align:left}
@media (max-width:768px){
  .article-body table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;font-size:14px}
  .article-body th,.article-body td{padding:10px 12px;white-space:nowrap}
}
.article-quote{border-left:4px solid var(--color);background:var(--color-soft);padding:14px 18px;border-radius:4px;font-size:16px;color:#444;margin:0 0 18px}
.back-news{display:inline-flex;align-items:center;gap:8px;color:var(--color);font-size:14px;font-weight:500;text-decoration:none;margin-bottom:24px}
.back-news:hover{text-decoration:underline}
.related-news{margin-top:44px;padding-top:30px;border-top:1px solid #ececec}
.related-news h2{font-size:22px;color:var(--fontcolor);margin:0 0 20px;font-weight:700}
.related-list{display:flex;flex-wrap:wrap;gap:18px}
.related-item{width:calc(33.333% - 12px);box-sizing:border-box;background:#fff;border:1px solid #e9ecef;border-radius:8px;padding:18px 20px;transition:all .2s}
.related-item:hover{border-color:var(--color);box-shadow:0 6px 18px rgba(2,152,52,.08)}
.related-item .ri-date{font-size:12px;color:#9aa3ae;margin-bottom:8px}
.related-item h3{margin:0 0 8px;font-size:15px;line-height:1.5;font-weight:600}
.related-item h3 a{color:inherit;text-decoration:none;transition:color .15s}
.related-item h3 a:hover{color:var(--color)}
.related-item .ri-more{font-size:13px;color:var(--color);text-decoration:none;font-weight:500}
@media (max-width:900px){.related-item{width:100%}}