:root{--primary-color: #FF8600;--secondary-color: #1877F2;--background-color: #FFFFFF;--text-primary: #000000;--text-secondary: #666666;--text-light: #FFFFFF;--border-color: #DDDDDD;--success-color: #4CAF50;--black-color: #222222;--font-family: "Inter", system-ui, Avenir, Helvetica, Arial, sans-serif;--border-radius: 8px;--container-width: 1200px}*{box-sizing:border-box}body{margin:0;font-family:var(--font-family);background-color:var(--background-color);color:var(--text-primary);line-height:1.6}h1,h2,h3,h4,h5,h6{line-height:1.2;margin-bottom:1rem}a{text-decoration:none;color:inherit;transition:opacity .3s}a:hover{opacity:.8}button{cursor:pointer;border:none;font-family:inherit}.container{max-width:var(--container-width);margin:0 auto;padding:0 20px}.btn{display:inline-block;padding:12px 24px;border-radius:var(--border-radius);font-weight:600;text-align:center;transition:transform .2s,box-shadow .2s}.btn-primary{background-color:var(--primary-color);color:var(--text-light);color:#000}.btn-secondary{background-color:var(--secondary-color);color:var(--text-light)}.btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.section{padding:80px 0}