:root {
            --theme-color: rgb(255,184,108);
            --theme-color-hover: rgb(240,165,85);
            --bg-color: #f8fafc;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --border-color: #e2e8f0;
            --white: #ffffff;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
            --radius: 12px;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; background-color: var(--bg-color); color: var(--text-main); line-height: 1.6; }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        
        
        .header { background: var(--white); box-shadow: var(--shadow-sm); position: sticky; top: 0; z-index: 100; }
        .header-inner { display: flex; align-items: center; justify-content: space-between; 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: 22px; font-weight: 800; line-height: 1; color: var(--text-main); white-space: nowrap; }
        
        .desktop-nav { display: flex; align-items: center; gap: 32px; }
        .desktop-nav a { font-weight: 500; transition: color 0.3s; }
        .desktop-nav a:hover { color: var(--theme-color); }
        .header-actions { display: flex; align-items: center; gap: 16px; }
        .btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 24px; border-radius: 8px; font-weight: 600; transition: all 0.3s; cursor: pointer; border: none; }
        .btn-primary { background: var(--theme-color); color: #fff; box-shadow: 0 4px 12px rgba(255,184,108,0.4); }
        .btn-primary:hover { background: var(--theme-color-hover); transform: translateY(-1px); }
        .btn-outline { border: 1px solid var(--theme-color); color: var(--theme-color); }
        .btn-outline:hover { background: var(--theme-color); color: #fff; }
        
        .mobile-menu-btn { display: none; font-size: 24px; background: none; border: none; cursor: pointer; color: var(--text-main); }

        
        .drawer-mask { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 998; backdrop-filter: blur(2px); }
        .drawer { position: fixed; top: 0; left: -320px; width: 300px; height: 100%; background: var(--white); z-index: 999; transition: left 0.3s ease; overflow-y: auto; display: flex; flex-direction: column; box-shadow: var(--shadow-lg); }
        .drawer.active { 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; cursor: pointer; color: var(--text-muted); }
        .drawer-nav { padding: 20px; display: flex; flex-direction: column; gap: 16px; }
        .drawer-nav a { display: block; padding: 12px 16px; border-radius: 8px; font-weight: 500; background: var(--bg-color); }
        .drawer-nav a:hover { background: var(--theme-color); color: #fff; }

        
        .hero { padding: 80px 0; background: linear-gradient(135deg, #fff 0%, #fff8f2 100%); overflow: hidden; }
        .hero-inner { display: flex; align-items: center; gap: 60px; }
        .hero-text { flex: 1; }
        .hero-tag { display: inline-block; padding: 6px 16px; background: rgba(255,184,108,0.15); color: #e68a2e; border-radius: 30px; font-size: 14px; font-weight: 600; margin-bottom: 20px; }
        .hero-title { font-size: 48px; font-weight: 800; line-height: 1.2; margin-bottom: 24px; color: #0f172a; }
        .hero-title span { color: var(--theme-color); }
        .hero-desc { font-size: 18px; color: var(--text-muted); margin-bottom: 40px; line-height: 1.8; }
        .hero-actions { display: flex; gap: 20px; }
        .hero-visual { flex: 1; position: relative; }
        .hero-img-box { position: relative; z-index: 2; border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg); }
        .hero-img-box img { width: 100%; height: auto; display: block; }
        .hero-bg-shape { position: absolute; top: -20%; right: -20%; width: 100%; height: 100%; background: var(--theme-color); border-radius: 50%; opacity: 0.1; filter: blur(60px); z-index: 1; }

        
        .features { padding: 80px 0; background: var(--white); }
        .section-header { text-align: center; margin-bottom: 60px; }
        .section-title { font-size: 32px; font-weight: 700; margin-bottom: 16px; }
        .section-desc { color: var(--text-muted); font-size: 16px; max-width: 600px; margin: 0 auto; }
        .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
        .feature-card { padding: 40px 30px; background: var(--bg-color); border-radius: var(--radius); transition: transform 0.3s; border: 1px solid transparent; }
        .feature-card:hover { transform: translateY(-5px); border-color: var(--theme-color); box-shadow: var(--shadow-md); }
        .f-icon { width: 60px; height: 60px; background: rgba(255,184,108,0.2); border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 28px; color: var(--theme-color); margin-bottom: 24px; font-weight: bold; }
        .f-title { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
        .f-desc { color: var(--text-muted); font-size: 15px; }

        
        .data-banner { padding: 60px 0; background: #0f172a; color: #fff; }
        .data-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
        .data-item h4 { font-size: 40px; font-weight: 800; color: var(--theme-color); margin-bottom: 10px; }
        .data-item p { color: #94a3b8; font-size: 16px; }

        
        .articles-sec { padding: 80px 0; background: var(--bg-color); }
        .article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
        .article-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: all 0.3s; display: flex; flex-direction: column; }
        .article-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
        .ac-img { width: 100%; height: 200px; object-fit: cover; }
        .ac-content { padding: 24px; flex: 1; display: flex; flex-direction: column; }
        .ac-tags { margin-bottom: 12px; }
        .ac-tag { font-size: 12px; background: rgba(255,184,108,0.15); color: #e68a2e; padding: 4px 10px; border-radius: 4px; display: inline-block; margin-right: 8px; }
        .ac-title { font-size: 18px; font-weight: 700; margin-bottom: 12px; line-height: 1.4; }
        .ac-title a { transition: color 0.3s; }
        .ac-title a:hover { color: var(--theme-color); }
        .ac-desc { color: var(--text-muted); font-size: 14px; margin-bottom: 20px; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .ac-meta { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--border-color); padding-top: 16px; font-size: 13px; color: #94a3b8; }

        
        .cta-sec { padding: 100px 0; background: linear-gradient(rgba(15,23,42,0.9), rgba(15,23,42,0.9)), url('https://images.unsplash.com/photo-1621252179027-94459d278660?auto=format&fit=crop&w=1920&q=80') center/cover; text-align: center; color: #fff; }
        .cta-title { font-size: 36px; font-weight: 800; margin-bottom: 20px; }
        .cta-desc { font-size: 18px; color: #cbd5e1; margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto; }

        
        .footer { background: #0f172a; color: #94a3b8; padding: 80px 0 30px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 60px; }
        .footer-brand .logo span { color: #fff; }
        .footer-desc { margin-top: 20px; font-size: 14px; line-height: 1.8; max-width: 300px; }
        .footer-title { color: #fff; font-size: 18px; font-weight: 600; margin-bottom: 24px; }
        .footer-links { list-style: none; }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a { transition: color 0.3s; }
        .footer-links a:hover { color: var(--theme-color); }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 30px; display: flex; justify-content: space-between; align-items: center; font-size: 14px; }

        @media (max-width: 992px) {
            .desktop-nav, .header-actions { display: none; }
            .mobile-menu-btn { display: block; }
            .hero-inner { flex-direction: column; text-align: center; }
            .hero-actions { justify-content: center; }
            .feature-grid, .article-grid { grid-template-columns: repeat(2, 1fr); }
            .data-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .hero-title { font-size: 36px; }
            .feature-grid, .article-grid, .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
        }