:root {
            --primary-color: rgb(124, 58, 237);
            --primary-light: rgba(124, 58, 237, 0.1);
            --primary-hover: rgb(109, 40, 217);
            --dark-bg: #0f172a;
            --dark-card: #1e293b;
            --light-bg: #f8fafc;
            --text-dark: #0f172a;
            --text-light: #64748b;
            --border-color: #e2e8f0;
            --max-width: 1200px;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-dark);
            background-color: var(--light-bg);
            line-height: 1.6;
        }

        a { color: inherit; text-decoration: none; transition: all 0.3s ease; }

        
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
        }

        .header-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 15px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo { display: inline-flex; align-items: center; gap: 12px; }
        .logo img { display: block; height: 40px; width: auto; max-width: 160px; object-fit: contain; }
        .logo span {
            display: inline-block; font-size: 20px; font-weight: 800; line-height: 1; color: var(--text-dark);
            background: linear-gradient(135deg, var(--primary-color), #4f46e5); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
        }

        .nav-menu { display: flex; align-items: center; gap: 30px; }
        .nav-menu a { font-size: 15px; font-weight: 500; color: #334155; }
        .nav-menu a:hover { color: var(--primary-color); }
        .header-actions { display: flex; align-items: center; gap: 15px; }
        .btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 20px; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; border: none; }
        .btn-outline { background-color: transparent; border: 1px solid var(--primary-color); color: var(--primary-color); }
        .btn-primary { background-color: var(--primary-color); color: #ffffff; }
        .menu-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; }

        
        .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.5); z-index: 2000; opacity: 0; visibility: hidden; transition: all 0.3s ease; }
        .drawer-overlay.active { opacity: 1; visibility: visible; }
        .drawer { position: fixed; top: 0; left: -300px; width: 300px; height: 100%; background-color: #ffffff; z-index: 2001; box-shadow: 5px 0 25px rgba(0,0,0,0.15); transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); display: flex; flex-direction: column; padding: 30px 20px; }
        .drawer.active { left: 0; }
        .drawer-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
        .drawer-close { background: none; border: none; font-size: 28px; cursor: pointer; }
        .drawer-menu { display: flex; flex-direction: column; gap: 20px; overflow-y: auto; flex-grow: 1; }
        .drawer-menu a { font-size: 18px; font-weight: 600; color: var(--text-dark); padding: 10px 0; border-bottom: 1px solid var(--border-color); }

        
        .article-main {
            max-width: var(--max-width);
            margin: 120px auto 100px;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 2.5fr 1fr;
            gap: 40px;
        }

        .article-body-wrapper {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
        }

        .breadcrumb {
            display: flex;
            gap: 8px;
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 25px;
        }

        .breadcrumb a:hover { color: var(--primary-color); }

        .article-header {
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 30px;
            margin-bottom: 30px;
        }

        .article-title-text {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 20px;
        }

        .article-meta-info {
            display: flex;
            gap: 20px;
            font-size: 13px;
            color: var(--text-light);
            flex-wrap: wrap;
        }

        .article-meta-info span { display: flex; align-items: center; gap: 6px; }

        
        .rich-text {
            font-size: 16px;
            line-height: 1.8;
            color: #334155;
            margin-bottom: 40px;
        }

        .rich-text p { margin-bottom: 20px; }
        .rich-text h2 { font-size: 24px; font-weight: 700; color: var(--text-dark); margin: 35px 0 20px; }
        .rich-text h3 { font-size: 20px; font-weight: 700; color: var(--text-dark); margin: 30px 0 15px; }
        .rich-text img { border-radius: 12px; margin: 20px 0; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }

        
        .article-tags-wrap {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            border-top: 1px solid var(--border-color);
            padding-top: 25px;
            margin-bottom: 45px;
        }

        .tag-link-item {
            font-size: 13px;
            padding: 6px 14px;
            background-color: var(--primary-light);
            color: var(--primary-color);
            border-radius: 6px;
            font-weight: 500;
        }

        
        .prev-next-nav {
            border-top: 1px solid var(--border-color);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .nav-box { flex: 1; min-width: 200px; }
        .nav-label { font-size: 11px; text-transform: uppercase; color: var(--text-light); margin-bottom: 6px; letter-spacing: 1px; }
        .nav-title { font-size: 14px; font-weight: 700; color: var(--text-dark); }
        .nav-title:hover { color: var(--primary-color); }

        
        .related-section { margin-top: 60px; }
        .related-head { font-size: 20px; font-weight: 700; margin-bottom: 25px; padding-bottom: 10px; border-bottom: 2px solid var(--primary-color); display: inline-block; }
        .related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
        
        .related-card { background: #ffffff; border: 1px solid var(--border-color); border-radius: 10px; overflow: hidden; transition: all 0.3s ease; }
        .related-card:hover { border-color: var(--primary-color); transform: translateY(-3px); }
        .related-img { width: 100%; height: 120px; object-fit: cover; }
        .related-card-body { padding: 15px; }
        .related-title { font-size: 14px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

        
        .sidebar { display: flex; flex-direction: column; gap: 30px; }
        .widget { background-color: #ffffff; border: 1px solid var(--border-color); border-radius: 12px; padding: 24px; }
        .widget-title { font-size: 18px; font-weight: 700; margin-bottom: 20px; border-bottom: 1px solid var(--border-color); padding-bottom: 8px; }

        
        .footer { background-color: var(--dark-bg); color: #94a3b8; padding: 80px 20px 30px; border-top: 1px solid rgba(255, 255, 255, 0.05); }
        .footer-container { max-width: var(--max-width); margin: 0 auto; display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 40px; margin-bottom: 60px; }
        .footer-brand { display: flex; flex-direction: column; gap: 20px; }
        .footer-brand .logo span { color: #ffffff; }
        .footer-desc { font-size: 14px; }
        .footer-heading { font-size: 16px; font-weight: 700; color: #ffffff; margin-bottom: 25px; }
        .footer-links { list-style: none; display: flex; flex-direction: column; gap: 15px; }
        .footer-links a { font-size: 14px; }
        .footer-links a:hover { color: var(--primary-color); }
        .footer-bottom { max-width: var(--max-width); margin: 0 auto; padding-top: 30px; border-top: 1px solid rgba(255, 255, 255, 0.05); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; font-size: 13px; }
        .footer-disclaimer { font-size: 11px; color: #64748b; margin-top: 20px; border-top: 1px solid rgba(255, 255, 255, 0.05); padding-top: 20px; line-height: 1.8; }

        @media (max-width: 992px) {
            .nav-menu, .header-actions { display: none; }
            .menu-toggle { display: block; }
            .article-main { grid-template-columns: 1fr; }
            .footer-container { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .article-body-wrapper { padding: 25px; }
            .article-title-text { font-size: 24px; }
            .footer-container { grid-template-columns: 1fr; }
        }