* { margin: 0; padding: 0; box-sizing: border-box; font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; }
    body { background: #f8f9fc; color: #1e1e2f; line-height: 1.6; transition: background 0.3s, color 0.3s; }
    body.dark { background: #0d0d1a; color: #e0e0e0; }
    .container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
    header { background: linear-gradient(135deg, #0f0c29, #302b63, #24243e); color: white; padding: 16px 20px; border-radius: 0 0 40px 40px; box-shadow: 0 8px 32px rgba(0,0,0,0.2); }
    nav { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
    nav .logo { font-size: 2rem; font-weight: 700; background: linear-gradient(45deg, #f7971e, #ffd200); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
    nav ul { display: flex; gap: 24px; list-style: none; flex-wrap: wrap; }
    nav ul li a { color: #fff; text-decoration: none; font-weight: 500; padding: 8px 16px; border-radius: 40px; transition: 0.3s; }
    nav ul li a:hover { background: rgba(255,255,255,0.15); backdrop-filter: blur(8px); }
    .menu-toggle { display: none; background: none; border: none; color: white; font-size: 2rem; cursor: pointer; }
    .hero { background: linear-gradient(145deg, #1a1a40 0%, #2d2d6b 100%); border-radius: 32px; margin: 40px 0; padding: 60px 40px; color: white; position: relative; overflow: hidden; }
    .hero h1 { font-size: 3.5rem; line-height: 1.2; margin-bottom: 20px; background: linear-gradient(135deg, #f5af19, #f12711); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
    .hero p { font-size: 1.3rem; max-width: 600px; opacity: 0.9; }
    .hero .btn { display: inline-block; background: #f7971e; border: none; padding: 14px 42px; border-radius: 60px; color: #111; font-weight: 700; font-size: 1.1rem; margin-top: 24px; cursor: pointer; transition: all 0.3s; }
    .hero .btn:hover { transform: scale(1.05); box-shadow: 0 12px 28px rgba(247,151,30,0.4); }
    .card { background: rgba(255,255,255,0.08); backdrop-filter: blur(12px); border-radius: 32px; padding: 28px; margin-bottom: 32px; border: 1px solid rgba(255,255,255,0.1); transition: 0.3s; }
    .dark .card { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.08); }
    .card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(0,0,0,0.15); }
    .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
    .badge { display: inline-block; background: #f7971e; color: #111; padding: 4px 16px; border-radius: 40px; font-size: 0.85rem; font-weight: 600; }
    .breadcrumb { color: #aaa; font-size: 0.9rem; margin: 16px 0 8px; }
    .breadcrumb a { color: #f7971e; text-decoration: none; }
    .breadcrumb span { color: #fff; }
    .footer { background: #0f0c29; color: #ccc; padding: 50px 20px 20px; border-radius: 40px 40px 0 0; margin-top: 60px; }
    .footer a { color: #f7971e; text-decoration: none; }
    .footer .grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
    footer .copyright { text-align: center; padding-top: 30px; border-top: 1px solid #222; margin-top: 30px; font-size: 0.9rem; }
    .faq details { margin-bottom: 12px; padding: 16px 20px; background: rgba(255,255,255,0.04); border-radius: 20px; border: 1px solid rgba(255,255,255,0.05); }
    .faq summary { font-weight: 600; cursor: pointer; font-size: 1.1rem; }
    .faq p { margin-top: 10px; opacity: 0.85; }
    .howto ol { padding-left: 24px; }
    .howto li { margin-bottom: 12px; font-weight: 500; }
    .article-card { background: rgba(255,255,255,0.04); backdrop-filter: blur(8px); border-radius: 28px; padding: 20px; transition: 0.3s; border: 1px solid rgba(255,255,255,0.06); }
    .article-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 20px; margin-bottom: 14px; background: #2a2a4a; }
    .article-card h3 { margin: 10px 0 8px; }
    .article-card p { opacity: 0.8; font-size: 0.95rem; }
    .scroll-top { position: fixed; bottom: 30px; right: 30px; background: #f7971e; color: #111; border: none; width: 56px; height: 56px; border-radius: 50%; font-size: 1.8rem; cursor: pointer; box-shadow: 0 8px 24px rgba(247,151,30,0.4); display: none; align-items: center; justify-content: center; transition: 0.3s; z-index: 999; }
    .scroll-top:hover { transform: scale(1.1); }
    .lazyload { opacity: 0; transition: opacity 0.6s; }
    .lazyload.loaded { opacity: 1; }
    @media (max-width: 768px) {
        nav ul { display: none; flex-direction: column; width: 100%; margin-top: 16px; gap: 8px; }
        nav ul.open { display: flex; }
        .menu-toggle { display: block; }
        .hero h1 { font-size: 2.4rem; }
        .hero { padding: 40px 20px; }
    }