:root {
            --theme-base: rgb(223, 230, 233); 
            --theme-light: rgba(223, 230, 233, 0.3);
            --theme-dark: #b2bec3;
            --primary-accent: #d63031; 
            --bg-color: #f8f9fa;
            --text-main: #2d3436;
            --text-muted: #636e72;
            --white: #ffffff;
            --border-radius: 12px;
            --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; background-color: var(--bg-color); color: var(--text-main); 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(--white); box-shadow: 0 2px 10px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 100; }
        .head-inner { display: flex; justify-content: space-between; align-items: center; height: 70px; }
        .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; letter-spacing: 1px;}
        .desktop-nav { display: flex; gap: 30px; }
        .desktop-nav a { font-size: 16px; font-weight: 500; color: var(--text-main); padding: 5px 0; border-bottom: 2px solid transparent; }
        .desktop-nav a:hover { color: var(--primary-accent); border-color: var(--primary-accent); }
        .menu-btn { display: none; background: none; border: none; cursor: pointer; padding: 10px; }
        .menu-btn span { display: block; width: 24px; height: 2px; background: var(--text-main); margin: 5px 0; transition: var(--transition); }
        
        
        .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 999; opacity: 0; visibility: hidden; transition: var(--transition); }
        .drawer { position: fixed; top: 0; left: -300px; width: 280px; height: 100%; background: var(--white); z-index: 1000; transition: var(--transition); display: flex; flex-direction: column; box-shadow: 2px 0 15px rgba(0,0,0,0.1); }
        .drawer.active { left: 0; }
        .drawer-overlay.active { opacity: 1; visibility: visible; }
        .drawer-head { padding: 20px; border-bottom: 1px solid var(--theme-base); display: flex; justify-content: space-between; align-items: center; background: var(--theme-light); }
        .drawer-close { font-size: 28px; background: none; border: none; color: var(--text-main); cursor: pointer; line-height: 1; }
        .drawer-nav { padding: 20px; overflow-y: auto; flex: 1; }
        .drawer-nav a { display: block; padding: 15px 0; font-size: 18px; font-weight: 500; border-bottom: 1px solid #f0f0f0; }
        
        
        .hero { background: linear-gradient(135deg, var(--theme-light) 0%, var(--white) 100%); padding: 80px 0; overflow: hidden; }
        .hero-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
        .hero-text { flex: 1; max-width: 600px; }
        .hero-title { font-size: 42px; font-weight: 800; line-height: 1.3; margin-bottom: 20px; color: var(--text-main); }
        .hero-title span { color: var(--primary-accent); }
        .hero-desc { font-size: 18px; color: var(--text-muted); margin-bottom: 30px; }
        .hero-btns { display: flex; gap: 15px; }
        .btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 28px; font-size: 16px; font-weight: bold; border-radius: 30px; cursor: pointer; text-align: center; }
        .btn-primary { background: var(--primary-accent); color: var(--white); box-shadow: 0 4px 15px rgba(214, 48, 49, 0.3); }
        .btn-primary:hover { background: #b72626; transform: translateY(-2px); color: var(--white); }
        .btn-outline { background: transparent; border: 2px solid var(--theme-dark); color: var(--text-main); }
        .btn-outline:hover { background: var(--theme-dark); color: var(--white); }
        .hero-visual { flex: 1; position: relative; display: flex; justify-content: center; }
        .hero-visual img { max-width: 100%; border-radius: var(--border-radius); box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
        .hero-visual::before { content: ''; position: absolute; width: 300px; height: 300px; background: var(--theme-base); border-radius: 50%; z-index: -1; top: 50%; left: 50%; transform: translate(-50%, -50%); filter: blur(50px); }

        
        .features { padding: 60px 0; background: var(--white); }
        .sec-title { text-align: center; font-size: 32px; font-weight: bold; margin-bottom: 40px; position: relative; padding-bottom: 15px; }
        .sec-title::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 60px; height: 4px; background: var(--primary-accent); border-radius: 2px; }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
        .feat-card { padding: 30px; border-radius: var(--border-radius); background: var(--bg-color); text-align: center; transition: var(--transition); border: 1px solid transparent; }
        .feat-card:hover { transform: translateY(-5px); border-color: var(--theme-base); box-shadow: 0 10px 20px rgba(0,0,0,0.05); }
        .feat-icon { width: 60px; height: 60px; background: var(--theme-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 24px; font-weight: bold; color: var(--primary-accent); }
        .feat-card h3 { font-size: 20px; margin-bottom: 10px; }
        .feat-card p { color: var(--text-muted); font-size: 15px; }

        
        .articles-sec { padding: 80px 0; background: var(--theme-light); }
        .art-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 25px; }
        .art-card { background: var(--white); border-radius: var(--border-radius); overflow: hidden; box-shadow: 0 5px 15px rgba(0,0,0,0.05); transition: var(--transition); display: flex; flex-direction: column; }
        .art-card:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,0,0,0.1); }
        .art-img { height: 180px; overflow: hidden; position: relative; background: var(--theme-base); }
        .art-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
        .art-card:hover .art-img img { transform: scale(1.05); }
        .art-info { padding: 20px; flex: 1; display: flex; flex-direction: column; }
        .art-title { font-size: 18px; font-weight: bold; margin-bottom: 10px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .art-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 15px; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .art-meta { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: #999; border-top: 1px solid #f0f0f0; padding-top: 12px; }
        .art-tags { font-size: 12px; color: var(--primary-accent); background: rgba(214, 48, 49, 0.1); padding: 2px 8px; border-radius: 4px; }

        
        .cta-sec { background: var(--text-main); color: var(--white); padding: 60px 0; text-align: center; }
        .cta-sec h2 { font-size: 32px; margin-bottom: 20px; }
        .cta-sec p { font-size: 18px; color: #a4b0be; margin-bottom: 30px; max-width: 700px; margin-left: auto; margin-right: auto; }

        
        footer { background: #1e272e; color: #d2dae2; padding: 60px 0 20px; }
        .foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .foot-about .logo span { color: var(--white); }
        .foot-about p { margin-top: 20px; font-size: 14px; line-height: 1.8; color: #808e9b; }
        .foot-title { font-size: 18px; color: var(--white); margin-bottom: 20px; font-weight: bold; }
        .foot-links li { margin-bottom: 10px; }
        .foot-links a { color: #808e9b; font-size: 15px; }
        .foot-links a:hover { color: var(--theme-base); padding-left: 5px; }
        .foot-bottom { text-align: center; padding-top: 20px; border-top: 1px solid #2f3640; font-size: 14px; color: #808e9b; }
        
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .menu-btn { display: block; }
            .hero-inner { flex-direction: column; text-align: center; }
            .hero-title { font-size: 32px; }
            .hero-btns { justify-content: center; }
            .grid-3 { grid-template-columns: 1fr; }
            .foot-grid { grid-template-columns: 1fr; gap: 30px; }
        }