* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Segoe UI', system-ui, sans-serif; background: #0b0f1a; color: #e0e7ff; line-height: 1.7; }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
        /* header & nav */
        header { background: linear-gradient(145deg, #0f172a, #1e293b); border-bottom: 1px solid #1e3a5f; position: sticky; top: 0; z-index: 999; backdrop-filter: blur(8px); }
        .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; flex-wrap: wrap; }
        .logo { font-size: 1.8rem; font-weight: 700; background: linear-gradient(135deg, #3b82f6, #60a5fa); -webkit-background-clip: text; -webkit-text-fill-color: transparent; letter-spacing: 1px; }
        .nav-links { display: flex; gap: 28px; align-items: center; flex-wrap: wrap; }
        .nav-links a { color: #bfd4ff; text-decoration: none; font-weight: 500; font-size: 1rem; transition: 0.25s; padding: 6px 0; border-bottom: 2px solid transparent; }
        .nav-links a:hover { color: #60a5fa; border-bottom-color: #3b82f6; }
        /* hero */
        .hero-block { padding: 80px 0 60px; text-align: center; position: relative; }
        .hero-block h1 { font-size: 3.2rem; font-weight: 800; background: linear-gradient(135deg, #f0f9ff, #93c5fd); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 18px; }
        .hero-desc { font-size: 1.2rem; max-width: 780px; margin: 0 auto 40px; color: #94a3b8; }
        .hero-img-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; margin-top: 20px; }
        .hero-img-grid img { width: 220px; height: 150px; object-fit: cover; border-radius: 20px; border: 1px solid #1e3a5f; box-shadow: 0 0 20px rgba(59,130,246,0.15); transition: 0.3s; }
        .hero-img-grid img:hover { transform: scale(1.03); box-shadow: 0 0 30px #3b82f6; }
        .cta-btn { display: inline-block; margin-top: 30px; background: linear-gradient(135deg, #3b82f6, #2563eb); padding: 14px 40px; border-radius: 60px; font-weight: 700; font-size: 1.2rem; color: #fff; text-decoration: none; box-shadow: 0 8px 24px rgba(59,130,246,0.35); transition: 0.3s; }
        .cta-btn:hover { transform: translateY(-3px); box-shadow: 0 12px 30px #3b82f6; }
        /* section general */
        section { padding: 64px 0; }
        .section-title { font-size: 2rem; font-weight: 700; margin-bottom: 24px; display: flex; align-items: center; gap: 12px; color: #f0f4ff; }
        .section-title span { background: #1e293b; padding: 4px 14px; border-radius: 40px; font-size: 0.9rem; color: #60a5fa; }
        .grid-3, .grid-4 { display: grid; gap: 28px; }
        .grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
        .grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
        .card-glow { background: #111b2e; border-radius: 28px; padding: 28px 24px; border: 1px solid #1e3a5f; box-shadow: 0 0 18px rgba(59,130,246,0.08); transition: 0.3s; }
        .card-glow:hover { border-color: #3b82f6; box-shadow: 0 0 30px rgba(59,130,246,0.2); }
        .badge { display: inline-block; background: #1e3a5f; padding: 4px 14px; border-radius: 30px; font-size: 0.8rem; color: #93c5fd; }
        /* news list */
        .news-item { margin-bottom: 32px; padding-bottom: 28px; border-bottom: 1px solid #1e293b; }
        .news-item h3 { font-size: 1.5rem; margin-bottom: 8px; }
        .news-item .date { color: #60a5fa; font-size: 0.9rem; margin-bottom: 6px; display: block; }
        .news-item p { color: #a0afc7; }
        .tag { background: #1e3a5f; border-radius: 30px; padding: 2px 14px; font-size: 0.75rem; display: inline-block; margin-bottom: 8px; }
        /* faq */
        .faq-item { margin-bottom: 24px; }
        .faq-item h4 { font-size: 1.2rem; color: #bfdaff; margin-bottom: 6px; }
        .faq-item p { color: #94a3b8; }
        /* footer */
        footer { background: #0a0f1a; border-top: 1px solid #1a2a40; padding: 40px 0 20px; margin-top: 40px; }
        .footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px 28px; margin-bottom: 24px; }
        .footer-links a { color: #7f8ea3; text-decoration: none; font-size: 0.9rem; transition: 0.2s; }
        .footer-links a:hover { color: #60a5fa; }
        .footer-meta { text-align: center; color: #5a6a80; font-size: 0.85rem; line-height: 2; }
        .footer-meta a { color: #7f8ea3; margin: 0 8px; }
        /* stats */
        .stat-number { font-size: 2.4rem; font-weight: 800; color: #3b82f6; }
        .stat-label { color: #a0afc7; }
        /* responsive */
        @media (max-width: 768px) {
            .hero-block h1 { font-size: 2.2rem; }
            .nav-links { gap: 16px; }
            .nav-links a { font-size: 0.9rem; }
            .hero-img-grid img { width: 160px; height: 110px; }
        }