:root {
            --primary-color: rgb(245,158,11);
            --primary-light: rgba(245,158,11,0.1);
            --primary-hover: rgb(217,119,6);
            --text-main: #1f2937;
            --text-secondary: #4b5563;
            --text-light: #9ca3af;
            --bg-body: #f3f4f6;
            --bg-card: #ffffff;
            --border-color: #e5e7eb;
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; color: var(--text-main); background: var(--bg-body); line-height: 1.6; }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        
        
        header { background: var(--bg-card); box-shadow: 0 2px 10px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 100; }
        .header-inner { display: flex; justify-content: space-between; align-items: center; height: 80px; }
        .logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
        .logo img { display: block; height: 40px; 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: var(--text-main); white-space: nowrap; }
        
        .nav-desktop { display: none; }
        @media(min-width: 992px) {
            .nav-desktop { display: flex; gap: 30px; align-items: center; }
            .nav-desktop a { font-weight: 500; color: var(--text-main); position: relative; padding: 5px 0; }
            .nav-desktop a:hover { color: var(--primary-color); }
            .nav-desktop a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--primary-color); transition: var(--transition); }
            .nav-desktop a:hover::after { width: 100%; }
        }
        
        .btn-menu { display: block; background: none; border: none; font-size: 24px; color: var(--text-main); cursor: pointer; }
        @media(min-width: 992px) { .btn-menu { display: none; } }

        
        .drawer-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 998; opacity: 0; visibility: hidden; transition: var(--transition); }
        .drawer-nav { position: fixed; top: 0; left: -300px; width: 280px; height: 100%; background: var(--bg-card); z-index: 999; transition: var(--transition); display: flex; flex-direction: column; box-shadow: 2px 0 10px rgba(0,0,0,0.1); }
        .drawer-active .drawer-overlay { opacity: 1; visibility: visible; }
        .drawer-active .drawer-nav { left: 0; }
        .drawer-header { padding: 20px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
        .drawer-close { background: none; border: none; font-size: 24px; color: var(--text-light); cursor: pointer; }
        .drawer-body { padding: 20px; overflow-y: auto; flex-grow: 1; }
        .drawer-body a { display: block; padding: 12px 0; border-bottom: 1px solid var(--border-color); font-weight: 500; }
        
        
        .hero { background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-body) 100%); padding: 80px 0; position: relative; overflow: hidden; border-bottom: 1px solid var(--border-color); }
        .hero::before { content: ''; position: absolute; top: -50%; right: -10%; width: 50%; height: 200%; background: var(--primary-light); transform: rotate(-15deg); z-index: 0; border-radius: 40px; }
        .hero-inner { display: flex; flex-direction: column; gap: 40px; position: relative; z-index: 1; align-items: center; text-align: center; }
        @media(min-width: 992px) {
            .hero-inner { flex-direction: row; text-align: left; align-items: center; }
            .hero-content { flex: 1; padding-right: 40px; }
            .hero-image { flex: 1; }
        }
        .hero-title { font-size: 3rem; font-weight: 800; line-height: 1.2; margin-bottom: 20px; color: var(--text-main); }
        .hero-title span { color: var(--primary-color); }
        .hero-desc { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 30px; max-width: 600px; margin-inline: auto; }
        @media(min-width: 992px) { .hero-desc { margin-inline: 0; } }
        .hero-actions { display: flex; gap: 15px; justify-content: center; }
        @media(min-width: 992px) { .hero-actions { justify-content: flex-start; } }
        .btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 24px; border-radius: var(--border-radius); font-weight: 600; cursor: pointer; transition: var(--transition); border: 2px solid transparent; }
        .btn-primary { background: var(--primary-color); color: #fff; box-shadow: 0 4px 6px rgba(245,158,11,0.2); }
        .btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 6px 12px rgba(245,158,11,0.3); }
        .btn-outline { background: transparent; border-color: var(--primary-color); color: var(--primary-color); }
        .btn-outline:hover { background: var(--primary-light); }
        
        .hero-image img { border-radius: 12px; box-shadow: 0 20px 40px rgba(0,0,0,0.1); }

        
        .stats { padding: 40px 0; background: var(--bg-card); border-bottom: 1px solid var(--border-color); }
        .stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; text-align: center; }
        @media(min-width: 768px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }
        .stat-item h3 { font-size: 2rem; color: var(--primary-color); margin-bottom: 5px; }
        .stat-item p { color: var(--text-secondary); font-size: 0.9rem; }

        
        .features { padding: 80px 0; }
        .section-header { text-align: center; margin-bottom: 50px; }
        .section-title { font-size: 2rem; color: var(--text-main); margin-bottom: 15px; position: relative; display: inline-block; }
        .section-title::after { content: ''; position: absolute; bottom: -10px; left: 50%; transform: translateX(-50%); width: 60px; height: 3px; background: var(--primary-color); border-radius: 2px; }
        .section-desc { color: var(--text-secondary); max-width: 600px; margin: 0 auto; }
        
        .feature-grid { display: grid; grid-template-columns: 1fr; gap: 30px; }
        @media(min-width: 768px) { .feature-grid { grid-template-columns: repeat(3, 1fr); } }
        .feature-card { background: var(--bg-card); padding: 30px; border-radius: var(--border-radius); box-shadow: 0 4px 6px rgba(0,0,0,0.02); border: 1px solid var(--border-color); transition: var(--transition); text-align: center; }
        .feature-card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.05); border-color: var(--primary-light); }
        .feature-icon { width: 60px; height: 60px; background: var(--primary-light); color: var(--primary-color); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; margin: 0 auto 20px; }
        .feature-card h3 { margin-bottom: 15px; color: var(--text-main); }
        .feature-card p { color: var(--text-secondary); font-size: 0.95rem; }

        
        .articles { padding: 80px 0; background: var(--bg-card); }
        .article-grid { display: grid; grid-template-columns: 1fr; gap: 30px; }
        @media(min-width: 768px) { .article-grid { grid-template-columns: repeat(2, 1fr); } }
        @media(min-width: 1024px) { .article-grid { grid-template-columns: repeat(3, 1fr); } }
        
        .article-card { background: var(--bg-body); border-radius: var(--border-radius); overflow: hidden; transition: var(--transition); border: 1px solid var(--border-color); display: flex; flex-direction: column; }
        .article-card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.05); }
        .article-img { width: 100%; height: 200px; object-fit: cover; border-bottom: 1px solid var(--border-color); }
        .article-content { padding: 20px; flex-grow: 1; display: flex; flex-direction: column; }
        .article-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .article-title a { color: var(--text-main); }
        .article-title a:hover { color: var(--primary-color); }
        .article-desc { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 15px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; flex-grow: 1; }
        .article-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; color: var(--text-light); padding-top: 15px; border-top: 1px solid var(--border-color); }
        .article-tags { display: flex; gap: 5px; flex-wrap: wrap; }
        .article-tag { background: var(--primary-light); color: var(--primary-hover); padding: 2px 8px; border-radius: 4px; font-size: 0.75rem; }

        
        .cta { padding: 80px 0; background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%); color: #fff; text-align: center; }
        .cta-inner { max-width: 800px; margin: 0 auto; }
        .cta h2 { font-size: 2.5rem; margin-bottom: 20px; }
        .cta p { font-size: 1.1rem; margin-bottom: 30px; opacity: 0.9; }
        .cta .btn { background: #fff; color: var(--primary-color); }
        .cta .btn:hover { background: var(--bg-body); transform: translateY(-2px); box-shadow: 0 4px 10px rgba(0,0,0,0.2); }

        
        footer { background: #111827; color: #f3f4f6; padding: 60px 0 20px; }
        .footer-grid { display: grid; grid-template-columns: 1fr; gap: 40px; margin-bottom: 40px; }
        @media(min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
        .footer-brand .logo span { color: #fff; }
        .footer-brand p { color: #9ca3af; margin-top: 15px; max-width: 300px; font-size: 0.95rem; }
        .footer-title { font-size: 1.2rem; font-weight: 600; margin-bottom: 20px; color: #fff; position: relative; padding-bottom: 10px; }
        .footer-title::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--primary-color); }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a { color: #9ca3af; transition: var(--transition); }
        .footer-links a:hover { color: var(--primary-color); }
        .footer-bottom { padding-top: 20px; border-top: 1px solid #374151; text-align: center; color: #6b7280; font-size: 0.9rem; display: flex; flex-direction: column; gap: 10px; }
        @media(min-width: 768px) { .footer-bottom { flex-direction: row; justify-content: space-between; } }
        .footer-bottom-links a { margin-left: 15px; color: #9ca3af; }
        .footer-bottom-links a:hover { color: var(--primary-color); }