:root { --primary: rgb(26,115,232); --bg-body: #f4f7fe; --text-main: #2c3e50; --border: #e2e8f0; }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: -apple-system, sans-serif; background: #fff; color: var(--text-main); line-height: 1.6; }
        a { text-decoration: none; color: inherit; transition: 0.3s; }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        
        .logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
        .logo img { display: block; height: 36px; 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(--primary); white-space: nowrap; }

        .header { background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 100; }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
        .desktop-nav { display: flex; gap: 28px; align-items: center; }
        .desktop-nav a:hover { color: var(--primary); }
        .mobile-btn { display: none; cursor: pointer; color: #333; }

        .drawer-mask { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 998; opacity: 0; visibility: hidden; transition: 0.3s; }
        .drawer-mask.active { opacity: 1; visibility: visible; }
        .drawer { position: fixed; top: 0; left: -300px; width: 280px; height: 100%; background: #fff; z-index: 999; transition: 0.3s; display: flex; flex-direction: column; }
        .drawer.active { left: 0; }
        .drawer-header { padding: 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; }
        .drawer-nav { padding: 20px; display: flex; flex-direction: column; gap: 4px; }
        .drawer-nav a { padding: 12px 0; border-bottom: 1px dashed var(--border); }

        .about-hero { padding: 80px 0; background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%); text-align: center; border-bottom: 1px solid var(--border); }
        .about-hero h1 { font-size: 36px; margin-bottom: 15px; color: #0f172a; }
        .about-hero p { font-size: 18px; color: #475569; max-width: 700px; margin: 0 auto; }

        .about-section { padding: 80px 0; }
        .about-grid { display: flex; align-items: center; gap: 60px; }
        .about-grid.reverse { flex-direction: row-reverse; }
        .about-text { flex: 1; }
        .about-text h2 { font-size: 28px; margin-bottom: 20px; color: #1e293b; }
        .about-text p { color: #64748b; margin-bottom: 15px; font-size: 16px; }
        .about-img { flex: 1; }
        .about-img img { border-radius: 16px; box-shadow: 0 15px 35px rgba(0,0,0,0.08); }

        .values-box { background: var(--bg-body); padding: 80px 0; margin-top: 40px; }
        .values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 40px; }
        .value-card { background: #fff; padding: 40px 30px; border-radius: 12px; text-align: center; border: 1px solid var(--border); }
        .value-num { font-size: 40px; font-weight: 900; color: rgba(26,115,232,0.1); margin-bottom: -20px; position: relative; z-index: 1; text-align: left; }
        .value-card h3 { font-size: 20px; margin-bottom: 15px; position: relative; z-index: 2; color: #1e293b; }
        .value-card p { color: #64748b; font-size: 14px; position: relative; z-index: 2; }

        .footer { background: #0f172a; color: #94a3b8; padding: 70px 0 20px; margin-top: 0; }
        .footer .logo span { color: #fff; }
        .footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 50px; }
        .footer-col h3 { color: #fff; font-size: 16px; margin-bottom: 25px; }
        .footer-col ul { display: flex; flex-direction: column; gap: 12px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 25px; text-align: center; font-size: 14px; }

        @media(max-width: 768px) {
            .desktop-nav { display: none; } .mobile-btn { display: block; }
            .about-grid, .about-grid.reverse { flex-direction: column; }
            .values-grid, .footer-inner { grid-template-columns: 1fr; }
        }