*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            background: linear-gradient(180deg, #F0F9FF 0%, #EFF6FF 50%, #EEF2FF 100%);
            color: #1e293b; line-height: 1.6; min-height: 100vh;
        }
        .container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

        /* Navbar (light + orange accent) */
        .site-nav {
            position: sticky; top: 0; z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            border-bottom: 1px solid rgba(245, 158, 11, 0.25);
            backdrop-filter: blur(10px);
        }
        .site-nav-inner {
            max-width: 1100px; margin: 0 auto; padding: 12px 20px;
            display: flex; align-items: center; justify-content: space-between;
        }
        .site-nav .brand-link {
            display: flex; align-items: center; gap: 10px;
            text-decoration: none; color: #1e293b;
        }
        .site-nav .brand-link img { height: 36px; width: auto; border-radius: 6px; }
        .site-nav .brand-link span { font-weight: 700; color: #1e293b; }
        .nav-right { display: flex; align-items: center; gap: 10px; }
        .nav-wa {
            display: inline-flex; align-items: center; gap: 6px;
            padding: 8px 16px; border-radius: 999px;
            background: linear-gradient(45deg, #25D366, #128C7E);
            color: #fff; font-weight: 700; font-size: 0.85rem;
            text-decoration: none; transition: transform 0.2s;
        }
        .nav-wa:hover { transform: translateY(-1px); }
        .nav-menu-btn {
            display: flex; align-items: center; justify-content: center;
            width: 40px; height: 40px; border-radius: 8px;
            border: 1px solid rgba(30,41,59,0.14);
            background: transparent; cursor: pointer; color: #1e293b;
        }
        .nav-menu-btn:hover { background: rgba(30,41,59,0.05); }
        .nav-dropdown {
            display: none; background: rgba(255,255,255,0.98);
            border-bottom: 1px solid rgba(245, 158, 11, 0.25); padding: 8px 0;
        }
        .nav-dropdown.open { display: block; }
        .nav-dropdown a {
            display: block; padding: 12px 24px; color: #1e293b;
            text-decoration: none; font-weight: 500; transition: background 0.2s;
        }
        .nav-dropdown a:hover { background: #FEF3C7; }
        @media (max-width: 600px) { .nav-wa span { display: none; } .nav-wa { padding: 8px 12px; } }

        /* Hero */
        .hero {
            text-align: center; padding: 70px 20px 50px;
            background: linear-gradient(180deg, rgba(245, 158, 11, 0.08) 0%, transparent 100%);
        }
        .hero h1 {
            font-size: clamp(2rem, 5vw, 3rem);
            margin-bottom: 16px;
            background: linear-gradient(135deg, #EA580C 0%, #F97316 50%, #F59E0B 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
            font-weight: 800;
        }
        .hero p { color: #475569; font-size: 1.1rem; max-width: 700px; margin: 0 auto; }
        .breadcrumb { font-size: 0.9rem; color: #64748b; margin-bottom: 16px; }
        .breadcrumb a { color: #F59E0B; text-decoration: none; font-weight: 500; }
        .breadcrumb a:hover { text-decoration: underline; }

        /* Blog Grid */
        .blog-grid {
            display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 28px; padding: 40px 0 60px;
        }
        .blog-card {
            background: #ffffff;
            border: 1px solid #e2e8f0;
            border-radius: 16px; overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
            box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
        }
        .blog-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(245, 158, 11, 0.15);
            border-color: rgba(245, 158, 11, 0.4);
        }
        .card-badge {
            display: inline-block; padding: 4px 12px; border-radius: 999px;
            font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
        }
        .badge-top { background: rgba(46, 204, 113, 0.18); color: #15803d; }
        .badge-mid { background: rgba(14, 165, 233, 0.18); color: #0369a1; }
        .badge-bottom { background: rgba(239, 68, 68, 0.18); color: #b91c1c; }
        .badge-b2b { background: rgba(241, 196, 15, 0.22); color: #a16207; }
        .card-body { padding: 24px; }
        .card-body h2 {
            font-size: 1.25rem; color: #0f172a; margin: 12px 0 10px;
            line-height: 1.4; border: none; padding: 0; font-weight: 700;
        }
        .card-body p { color: #475569; font-size: 0.92rem; margin-bottom: 16px; line-height: 1.6; }
        .card-link {
            display: inline-flex; align-items: center; gap: 6px;
            color: #EA580C; font-weight: 700; text-decoration: none; font-size: 0.95rem;
        }
        .card-link:hover { color: #C2410C; }
        .card-link svg { transition: transform 0.2s; }
        .card-link:hover svg { transform: translateX(3px); }
        .card-meta { font-size: 0.8rem; color: #94a3b8; margin-top: 12px; }

        /* CTA */
        .cta-section {
            text-align: center; padding: 60px 20px;
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(14, 165, 233, 0.08));
            border-radius: 20px; margin-bottom: 40px;
            border: 1px solid rgba(245, 158, 11, 0.2);
        }
        .cta-section h2 {
            color: #0f172a; margin-bottom: 16px; font-size: 1.8rem; border: none; padding: 0; font-weight: 800;
        }
        .cta-section p { color: #475569; margin-bottom: 24px; }
        .cta-btn {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 14px 28px; border-radius: 999px;
            background: linear-gradient(45deg, #25D366, #128C7E);
            color: #fff; font-weight: 700; font-size: 1rem;
            text-decoration: none; transition: transform 0.2s, box-shadow 0.2s;
        }
        .cta-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3); }

        /* Footer */
        .footer {
            text-align: center; padding: 30px 20px; border-top: 1px solid #e2e8f0;
            color: #64748b; font-size: 0.85rem; background: #ffffff;
        }
        .footer a { color: #EA580C; text-decoration: none; font-weight: 500; }
        .footer a:hover { text-decoration: underline; }