:root{--color-primary:#2e7d32;--color-bg:#f7f9f7;--color-text:#1a1a1a}*{box-sizing:border-box}body{margin:0;background:var(--color-bg);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.site-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;background:var(--color-primary);color:#fff}.site-header .logo{font-weight:700;font-size:1.25rem}.site-header nav a{color:#fff;margin-left:1.25rem;text-decoration:none;font-weight:500}main{max-width:960px;margin:0 auto;padding:1.5rem}table.ranking{width:100%;border-collapse:collapse}table.ranking td,table.ranking th{text-align:left;padding:.5rem .75rem;border-bottom:1px solid #ddd}.btn-primary{background:var(--color-primary);color:#fff;border:none;padding:.6rem 1.2rem;border-radius:6px;font-weight:600;cursor:pointer}