.navbar{z-index:100;background:#fff;border-bottom:1px solid #eee;padding:1rem 0;position:sticky;top:0}.nav-container{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:0 2rem;display:flex}.nav-brand{color:#333;font-size:1.5rem;font-weight:700;text-decoration:none}.nav-brand:hover{color:#06c;text-decoration:none}.nav-links{gap:2rem;display:flex}.nav-links a{color:#666;font-weight:500;text-decoration:none}.nav-links a:hover{color:#06c;text-decoration:none}.main-content{min-height:calc(100vh - 140px)}.footer{text-align:center;color:#888;background:#f9f9f9;margin-top:3rem;padding:2rem}:root{--primary-color:#06c;--text-color:#333;--text-light:#666;--border-color:#eee;--bg-light:#f5f5f5}*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{color:var(--text-color);background:#fff;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6}a{color:var(--primary-color);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer}input,textarea,select{font-family:inherit}pre{background:var(--bg-light);border-radius:8px;padding:1rem;overflow-x:auto}code{font-family:Fira Code,Monaco,Consolas,monospace}@media (width<=768px){html{font-size:14px}}