:root { --primary: rgb(101,163,13); --text-main: #1f2937; --text-muted: #6b7280; --bg-body: #f3f4f6; --border: #e5e7eb; --header-h: 72px; }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: -apple-system, sans-serif; background: var(--bg-body); color: var(--text-main); line-height: 1.8; }
        a { text-decoration: none; color: inherit; transition: 0.3s; }
        .container { max-width: 1000px; margin: 0 auto; padding: 0 20px; }
        
        
        .header { background: #fff; box-shadow: 0 1px 5px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 100; height: var(--header-h); }
        .header .container { display: flex; align-items: center; justify-content: space-between; height: 100%; max-width:1200px; }
        .logo { display: inline-flex; align-items: center; gap: 12px; }
        .logo img { height: 40px; max-width: 160px; object-fit: contain; }
        .logo span { font-size: 20px; font-weight: 800; color: var(--primary); }
        .desktop-nav { display: flex; gap: 24px; }
        .desktop-nav a:hover { color: var(--primary); }

        
        .art-wrap { background: #fff; padding: 40px 60px; margin: 40px auto; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.03); }
        .breadcrumb { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; }
        .breadcrumb a:hover { color: var(--primary); }
        
        .art-header { margin-bottom: 30px; border-bottom: 1px solid var(--border); padding-bottom: 20px; }
        .art-title { font-size: 32px; font-weight: 800; line-height: 1.4; margin-bottom: 15px; }
        .art-meta { display: flex; flex-wrap: wrap; gap: 20px; font-size: 14px; color: var(--text-muted); align-items: center; }
        .meta-tag { background: #ecfccb; color: var(--primary); padding: 2px 10px; border-radius: 4px; font-weight: 500; }

        .art-content { font-size: 16px; color: #374151; margin-bottom: 40px; }
        .art-content img { max-width: 100%; height: auto; border-radius: 8px; margin: 20px 0; box-shadow: 0 4px 10px rgba(0,0,0,0.05); }
        .art-content h2, .art-content h3 { margin: 25px 0 15px; color: #111827; }
        .art-content p { margin-bottom: 15px; }

        .art-nav { display: flex; justify-content: space-between; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 20px 0; margin-bottom: 40px; font-size: 14px; }
        .art-nav a { color: var(--primary); font-weight: 500; }

        
        .related-box h3 { font-size: 20px; border-left: 4px solid var(--primary); padding-left: 10px; margin-bottom: 20px; }
        .rel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .rel-card { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; display: block; transition: 0.3s; }
        .rel-card:hover { border-color: var(--primary); transform: translateY(-3px); }
        .rel-img { height: 140px; background: #eee; overflow: hidden; }
        .rel-img img { width: 100%; height: 100%; object-fit: cover; }
        .rel-info { padding: 15px; }
        .rel-info h4 { font-size: 15px; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; color: #111; }
        .rel-meta { font-size: 12px; color: var(--text-muted); }

        .footer { background: #111827; color: #9ca3af; text-align: center; padding: 40px 0; margin-top: 60px; font-size: 14px;}
        .footer a { color: var(--primary); margin: 0 10px; }

        @media (max-width: 768px) { .art-wrap { padding: 20px; margin: 20px auto; } .art-title { font-size: 24px; } .rel-grid { grid-template-columns: 1fr; } .desktop-nav { display: none; } }