body{color:#111;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}a{color:#0a66c2;text-decoration:none}.ub-container{max-width:980px;margin:0 auto;padding:24px}.ub-header{z-index:10;background:#fff;border-bottom:1px solid #eee;position:sticky;top:0}.ub-header .ub-container{justify-content:space-between;align-items:center;display:flex}.ub-logo{font-size:20px;font-weight:700}.ub-nav a{margin-left:16px}.ub-card{background:#fff;border:1px solid #eee;border-radius:8px;margin:16px 0;padding:16px}.ub-btn{color:#fff;cursor:pointer;background:#111;border:none;border-radius:6px;padding:10px 14px}.ub-input{border:1px solid #ccc;border-radius:6px;width:100%;padding:10px}.ub-footer{background:#fafafa;border-top:1px solid #eee;margin-top:40px}.ub-mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}