:root { --primary: rgb(0, 122, 255); --primary-hover: #0062cc; --primary-light: rgba(0, 122, 255, 0.1); --bg-body: #f4f7fb; --bg-white: #ffffff; --text-main: #1e293b; --text-muted: #64748b; --border-color: #e2e8f0; --header-bg: #0b1120; --footer-bg: #040814; }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg-body); color: var(--text-main); line-height: 1.6; }
        a { text-decoration: none; color: inherit; transition: 0.3s; }
        ul, li { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        
        
        .site-header { background: var(--header-bg); position: sticky; top: 0; z-index: 100; box-shadow: 0 4px 20px rgba(0,0,0,0.2); }
        .header-inner { height: 70px; display: flex; align-items: center; justify-content: space-between; }
        .logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
        .logo img { display: block; height: 36px; width: auto; max-width: 160px; object-fit: contain; flex-shrink: 0; }
        .logo span { display: inline-block; font-size: 20px; font-weight: 800; line-height: 1; color: #fff; white-space: nowrap; }
        .desktop-nav { display: none; } .desktop-nav ul { display: flex; gap: 30px; } .desktop-nav a { color: #cbd5e1; font-size: 15px; font-weight: 500; position: relative; padding: 8px 0; } .desktop-nav a:hover { color: var(--primary); } .desktop-nav a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--primary); transition: 0.3s; } .desktop-nav a:hover::after { width: 100%; }
        .header-right { display: flex; align-items: center; gap: 20px; } .btn-download-sm { display: none; background: var(--primary); color: #fff; padding: 8px 20px; border-radius: 20px; font-weight: 600; font-size: 14px; } .btn-download-sm:hover { background: var(--primary-hover); transform: translateY(-1px); } .menu-toggle { display: block; background: none; border: none; cursor: pointer; padding: 5px; } .menu-toggle span { display: block; width: 24px; height: 2px; background: #fff; margin: 5px 0; transition: 0.3s; }
        @media (min-width: 992px) { .desktop-nav, .btn-download-sm { display: block; } .menu-toggle { display: none; } }
        .drawer-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 998; opacity: 0; visibility: hidden; transition: 0.3s; backdrop-filter: blur(4px); } .mobile-drawer { position: fixed; top: 0; left: -300px; width: 280px; height: 100%; background: var(--header-bg); z-index: 999; transition: 0.4s; display: flex; flex-direction: column; } .drawer-active .drawer-overlay { opacity: 1; visibility: visible; } .drawer-active .mobile-drawer { left: 0; } .drawer-header { padding: 20px; border-bottom: 1px solid rgba(255,255,255,0.05); display: flex; justify-content: space-between; align-items: center; } .btn-close { background: none; border: none; color: #fff; font-size: 28px; cursor: pointer; } .drawer-body { padding: 20px; overflow-y: auto; flex: 1; } .drawer-nav a { display: block; padding: 15px 0; color: #cbd5e1; border-bottom: 1px solid rgba(255,255,255,0.05); font-weight: 500; } .drawer-nav a:hover { color: var(--primary); padding-left: 10px; } .drawer-footer { padding: 20px; border-top: 1px solid rgba(255,255,255,0.05); } .btn-primary { background: var(--primary); color: #fff; padding: 14px 32px; border-radius: 8px; font-weight: 600; font-size: 16px; display: inline-flex; justify-content: center; }
        .site-footer { background: var(--footer-bg); color: #94a3b8; padding: 60px 0 30px; border-top: 1px solid #1e293b; } .footer-grid { display: grid; grid-template-columns: 1fr; gap: 40px; margin-bottom: 40px; } .footer-brand p { margin-top: 20px; font-size: 14px; line-height: 1.8; } .footer-title { color: #fff; font-size: 18px; font-weight: 700; margin-bottom: 20px; position: relative; padding-bottom: 10px; } .footer-title::after { content: ''; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; background: var(--primary); } .footer-links li { margin-bottom: 12px; } .footer-links a { font-size: 14px; } .footer-links a:hover { color: var(--primary); padding-left: 5px; } .footer-bottom { text-align: center; padding-top: 30px; border-top: 1px solid rgba(255,255,255,0.05); font-size: 14px; } @media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }

        
        .page-header { background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%); color: #fff; padding: 50px 0; position: relative; }
        .breadcrumb { font-size: 14px; color: #94a3b8; margin-bottom: 20px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
        .breadcrumb a { color: #cbd5e1; }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb span.sep { color: #475569; }
        .page-title { font-size: 32px; font-weight: 800; margin-bottom: 10px; display: flex; align-items: center; gap: 15px; }
        .page-title::before { content: ''; display: block; width: 6px; height: 32px; background: var(--primary); border-radius: 3px; }
        .page-desc { color: #94a3b8; font-size: 16px; }

        .list-layout { display: grid; grid-template-columns: 1fr; gap: 30px; padding: 50px 0; }
        @media (min-width: 1024px) { .list-layout { grid-template-columns: 1fr 320px; } }

        .article-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
        @media (min-width: 768px) { .article-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (min-width: 1200px) { .article-grid { grid-template-columns: repeat(3, 1fr); } }

        
        .article-card { background: var(--bg-white); border-radius: 12px; overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,0.03); transition: 0.3s; display: flex; flex-direction: column; border: 1px solid var(--border-color); }
        .article-card:hover { transform: translateY(-4px); box-shadow: 0 15px 30px rgba(0,0,0,0.08); }
        .card-img-wrap { aspect-ratio: 16/10; overflow: hidden; position: relative; background: #e2e8f0; }
        .card-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; }
        .article-card:hover .card-img-wrap img { transform: scale(1.05); }
        .card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
        .card-title { font-size: 18px; font-weight: 700; margin-bottom: 12px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; color: var(--text-main); }
        .card-title:hover { color: var(--primary); }
        .card-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; flex: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
        .card-meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: #94a3b8; border-top: 1px solid var(--border-color); padding-top: 15px; }
        .card-tags { margin-top: 10px; display: flex; gap: 6px; flex-wrap: wrap;}
        .card-tags span { background: var(--primary-light); color: var(--primary); padding: 3px 8px; border-radius: 4px; font-size: 12px; }

        
        .pagination { display: flex; justify-content: center; gap: 10px; margin-top: 50px; flex-wrap: wrap; }
        .pagination a, .pagination span { padding: 10px 16px; background: #fff; border: 1px solid var(--border-color); border-radius: 6px; font-weight: 500; color: var(--text-main); transition: 0.3s; }
        .pagination a:hover { border-color: var(--primary); color: var(--primary); }
        .pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); }
        .pagination .disabled { opacity: 0.5; pointer-events: none; }

        
        .sidebar-widget { background: #fff; border-radius: 12px; padding: 25px; margin-bottom: 30px; border: 1px solid var(--border-color); }
        .widget-title { font-size: 18px; font-weight: 700; margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid var(--bg-body); position: relative; }
        .widget-title::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 40px; height: 2px; background: var(--primary); }
        .hot-links { display: flex; flex-direction: column; gap: 15px; }
        .hot-link-item { font-size: 15px; color: var(--text-main); display: flex; gap: 10px; align-items: center; }
        .hot-link-item::before { content: '•'; color: var(--primary); font-size: 20px; line-height: 1; }
        .hot-link-item:hover { color: var(--primary); transform: translateX(5px); }