*{box-sizing:border-box;margin:0;padding:0}body{background:#f8f9fa;color:#1a1a2e;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6}.app{display:flex;flex-direction:column;min-height:100vh}header{background:#fff;border-bottom:1px solid #e9ecef;position:sticky;top:0;z-index:10}nav{align-items:center;display:flex;justify-content:space-between;margin:0 auto;max-width:960px;padding:1rem 2rem}.logo{color:#00dc82;font-size:1.25rem;font-weight:700;text-decoration:none}.nav-links{display:flex;gap:1.5rem}.nav-links a{border-bottom:2px solid transparent;color:#495057;font-weight:500;padding:.25rem 0;text-decoration:none;transition:color .2s,border-color .2s}.nav-links a.router-link-active,.nav-links a:hover{border-bottom-color:#00dc82;color:#00dc82}main{flex:1;margin:0 auto;max-width:960px;padding:3rem 2rem;width:100%}footer{background:#1a1a2e;color:#adb5bd;font-size:.875rem;padding:1.5rem 2rem;text-align:center}