.site-wrapper{max-width:900px;margin:0 auto;padding:0 20px}.site-header{border-bottom:1px solid #e2e8f0;padding:24px 0;margin-bottom:32px;display:flex;justify-content:space-between;align-items:center}.site-logo{font-size:1.4rem;font-weight:800;letter-spacing:-.02em}.site-nav{display:flex;gap:20px;font-size:.92rem;font-weight:600}.site-nav a:hover{color:#2563eb}.single-content-wrapper{background:#fff;padding:32px;border-radius:8px;border:1px solid #e2e8f0;margin-bottom:40px}.single-title{font-size:2rem;font-weight:800;line-height:1.25;margin-bottom:12px;letter-spacing:-.02em}.single-meta{font-size:.85rem;color:#64748b;margin-bottom:24px}.article-body{font-size:1.05rem;line-height:1.8;color:#1e293b}.article-body p{margin-bottom:20px}.product-box{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:20px;margin-bottom:28px;display:flex;justify-content:space-between;align-items:center}.product-price-tag{font-size:1.5rem;font-weight:800;color:#0f172a}.btn-buy-wa{background-color:#25d366;color:#fff;font-weight:700;padding:12px 24px;border-radius:6px;display:inline-block;text-decoration:none;transition:opacity .15s}.btn-buy-wa:hover{opacity:.9}.site-footer{border-top:1px solid #e2e8f0;padding:30px 0;text-align:center;font-size:.85rem;color:#64748b}