*{box-sizing:border-box;margin:0;padding:0}body{background-color:#f5f7fa;color:#2c3e50;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Helvetica Neue,sans-serif;line-height:1.6}h1,h2,h3,h4,h5,h6{line-height:1.2}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}:root{--color-primary:#667eea;--color-secondary:#764ba2;--color-success:#42b983;--color-warning:orange;--color-error:#f44;--color-text:#2c3e50;--color-bg:#f5f7fa;--border-radius:8px;--shadow-sm:0 2px 4px rgba(0,0,0,.1);--shadow-md:0 4px 12px rgba(0,0,0,.15)}body{background-color:var(--color-bg);color:var(--color-text)}.btn-primary{background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));border:none;border-radius:var(--border-radius);color:#fff;cursor:pointer;font-size:1rem;padding:.75rem 1.5rem;transition:transform .2s,box-shadow .2s}.btn-primary:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.card{background:#fff;border-radius:var(--border-radius);box-shadow:var(--shadow-sm);padding:1.5rem;transition:box-shadow .3s}.card:hover{box-shadow:var(--shadow-md)}.section{margin:2rem 0}.section-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:1.5rem}.section-header h2{font-size:1.75rem;font-weight:600;margin:0}.more-link{color:var(--color-primary);font-weight:500;text-decoration:none;transition:color .2s}.more-link:hover{color:var(--color-secondary)}