* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Arial', sans-serif; }
body { line-height: 1.6; color: #333; background-color: #f9f9f9; padding-bottom: 70px; }
.bottom-nav { position: fixed; bottom: 0; left: 0; right: 0; height: 60px; background-color: #1a1a1a; display: none; justify-content: space-around; align-items: center; z-index: 1000; }
@media (max-width: 768px) { .bottom-nav { display: flex; }}
.nav-item { text-align: center; color: white; font-size: 12px; display: flex; flex-direction: column; align-items: center; text-decoration: none; }
.nav-icon { font-size: 24px; margin-bottom: 4px; color: white; }
.nav-item:hover .nav-icon, .nav-item:hover div { opacity: 0.8; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
header { background: #1a1a1a; color: white; padding: 15px 0; }
.header-content { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 22px; font-weight: bold; }
.phone { font-size: 18px; font-weight: bold; color: #ffd700; }
.phone a { color: #ffd700; text-decoration: none; }
nav { background: #333; }
.nav-links { display: flex; list-style: none; flex-wrap: wrap; }
.nav-links li { padding: 12px 20px; }
.nav-links a { color: white; text-decoration: none; font-size: 16px; }
.nav-links a:hover { color: #ffd700; }
.breadcrumbs { padding: 15px 0; background: white; border-bottom: 1px solid #eee; }
.breadcrumbs a { color: #666; text-decoration: none; }
.breadcrumbs a:hover { color: #ffd700; }
.breadcrumbs span { color: #999; margin: 0 8px; }
.section { padding: 40px 0; }
.section-title { text-align: center; margin-bottom: 30px; font-size: 28px; color: #333; position: relative; padding-bottom: 15px; }
.section-title::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 60px; height: 3px; background: #ffd700; }
.list-intro { background: white; padding: 25px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); margin-bottom: 30px; display: flex; justify-content: center; }
.list-intro p { margin-bottom: 15px; color: #666; }
.product-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 25px; margin-bottom: 50px; }
.list-card { background: white; padding: 20px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); transition: transform 0.3s; }
.list-card:hover { transform: translateY(-5px); }
.list-card a { text-decoration: none; color: #333; display: block; }
.list-card img { width: 100%; object-fit: cover; border-radius: 5px; margin-bottom: 12px; }
.list-card h3 { color: #1a1a1a; margin-bottom: 8px; font-size: 18px; transition: color 0.3s; }
.list-card a:hover h3 { color: #ffd700; }
.list-card p { color: #666; font-size: 14px; }
.related-section { margin-bottom: 60px; }
.related-title { font-size: 22px; color: #1a1a1a; margin-bottom: 25px; padding-left: 10px; border-left: 4px solid #ffd700; }
.related-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.pagination-container { margin: 30px auto; text-align: center; padding: 0 15px; }
.pagination { list-style: none; padding: 0; margin: 0; display: inline-flex; gap: 8px; align-items: center; }
.related-card { background: white; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.08); transition: transform 0.3s; }
.related-card:hover { transform: translateY(-3px); }
.related-card a { text-decoration: none; color: #333; display: block; }
.related-card img { width: 100%; object-fit: cover; }
.related-info { padding: 15px; }
.related-info h4 { font-size: 16px; margin-bottom: 5px; color: #1a1a1a; }
.related-info p { font-size: 13px; color: #666; line-height: 1.5; }
.hot-tag { display: inline-block; background: #ff4d4f; color: white; font-size: 12px; padding: 2px 6px; border-radius: 3px; margin-left: 5px; }
.new-tag { display: inline-block; background: #28a745; color: white; font-size: 12px; padding: 2px 6px; border-radius: 3px; margin-left: 5px; }
.contact-btn { display: block; width: 200px; margin: 30px auto; background: #ffd700; color: #333; padding: 12px 0; text-align: center; text-decoration: none; font-weight: bold; border-radius: 5px; transition: background 0.3s; }
.contact-btn:hover { background: #e6c200; }
footer { background: #333; color: white; text-align: center; padding: 20px 0; margin-top: 30px; }
@media (max-width: 768px) { .header-content { flex-direction: column; gap: 10px; } .section-title { font-size: 24px; } .nav-links { justify-content: center; } .related-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .related-list { grid-template-columns: 1fr; } }