:root {--primary:#000000;--bg:#f9fafb;--text:#222;--radius:12px;--gap:1.5rem;}
body{margin:0;font-family:"Inter",sans-serif;background:var(--bg);color:var(--text);}
.wrapper{max-width:1150px;margin:0 auto;padding:0 var(--gap);}
.bx-header{background:#fff;box-shadow:0 2px 8px rgba(0,0,0,0.05);} .bx-main{padding:3rem 0;} .bx-footer{background:#fff;padding:2rem 0;border-top:1px solid #e3e7ef;text-align:center;}