:root{--primary:rgb(213,5,5);--deep:#151515;--text:#333;--muted:#666;--light:#f6f6f6;--line:#e9e9e9;--soft:#fff4f4;--shadow:0 12px 30px rgba(0,0,0,.06);--radius:18px}*{box-sizing:border-box}html,body{margin:0;padding:0;overflow-x:hidden}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:#fff;line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1200px,92vw);margin:0 auto}.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}.mobile-header{height:62px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;background:#fff}.menu-button{width:42px;height:42px;border:0;background:#fff;display:flex;flex-direction:column;gap:5px;justify-content:center;align-items:center}.menu-button 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0}.category-grid,.service-grid{grid-template-columns:repeat(3,1fr)}.security-grid{grid-template-columns:repeat(3,1fr)}.faq-grid{grid-template-columns:repeat(2,1fr)}.section{padding:70px 0}.sports-hero h1{font-size:54px}.page-hero h1{font-size:46px}}