* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; line-height: 1.6; color: #2c3e50; font-size: 16px; background: #f9f9f9; }
.container { max-width: 1200px; margin: 0 auto; padding: 20px 15px; }
article { background: #fff; max-width: 100%; margin: 0 auto; padding: 40px; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.05); }
p { margin-bottom: 20px; font-size: 1.1rem; color: #444; line-height: 1.8; }
h1 { font-size: 2.5rem; color: #1a1a1a; margin-bottom: 20px; font-weight: 800; text-align: center; }
h2 { color: #1a1a1a; font-size: 1.85rem; margin: 40px 0 20px 0; font-weight: 700; border-left: 5px solid #30A0FF; padding-left: 15px; }
h3 { color: #0056b3; font-size: 1.4rem; margin: 30px 0 15px 0; font-weight: 600; }
ul { margin-left: 25px; margin-bottom: 20px; }
li { margin-bottom: 12px; font-size: 1.05rem; color: #444; }
strong { color: #111; font-weight: 700; }
.intro-lead { font-size: 1.25rem; font-weight: 500; color: #555; text-align: center; margin-bottom: 40px; font-style: italic; }
.qa-box { background: #f8fbff; border: 1px solid #e1efff; padding: 25px; border-radius: 10px; margin-bottom: 30px; }
.product-rec-section { margin: 50px 0; }
.product-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 25px; }
.product-card { background: #fff; border: 1px solid #eee; border-radius: 12px; overflow: hidden; transition: transform 0.3s; display: flex; flex-direction: column; }
.product-card:hover { transform: translateY(-5px); border-color: #30A0FF; box-shadow: 0 10px 30px rgba(48,160,255,0.12); }
.product-img-wrap { width: 100%; height: 250px; overflow: hidden; background: #f4f4f4; }
.product-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.product-info { padding: 20px; text-align: left; }
.product-title { font-size: 1.2rem; font-weight: 700; color: #222; text-decoration: none; display: block; margin-bottom: 10px; }
.product-desc { font-size: 0.95rem; color: #666; margin-bottom: 15px; }
.cta-box { background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%); padding: 60px 30px; border-radius: 15px; margin-top: 60px; text-align: center; color: #fff; }
.cta-box h2 { color: #fff; border: none; padding: 0; margin-top: 0; font-size: 2rem; }
.cta-box p { color: #fff; opacity: 0.9; text-align: center; }
.cta-buttons { display: flex; justify-content: center; gap: 20px; margin-top: 30px; flex-wrap: wrap; }
.btn-primary { background: #ff7e5f; color: #fff; padding: 15px 35px; border-radius: 8px; font-weight: 700; text-decoration: none; text-transform: uppercase; transition: background 0.3s; }
.btn-primary:hover { background: #feb47b; }
.btn-secondary { border: 2px solid #fff; color: #fff; padding: 14px 33px; border-radius: 8px; font-weight: 700; text-decoration: none; text-transform: uppercase; }
@media (max-width: 768px) { 
    .product-grid { grid-template-columns: 1fr; }
    h1 { font-size: 2rem; }
    article { padding: 20px; }
}