.srv-nav-section{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}.srv-path-container{display:flex;align-items:center;justify-content:center;max-width:1100px;margin:0 auto;padding:0 5vw;overflow-x:auto}.srv-path-btn{display:flex;flex-direction:column;align-items:center;gap:6px;padding:18px 0;flex:1;min-width:80px;background:none;border:none;cursor:pointer;color:var(--muted);transition:color 0.3s ease;white-space:nowrap;position:relative}.srv-path-btn:after{content:'';position:absolute;bottom:0;left:0;width:100%;height:2px;background:var(--teal);transform:scaleX(0);transition:transform 0.3s ease}.srv-path-btn.active{color:var(--teal)}.srv-path-btn.active:after{transform:scaleX(1)}.srv-path-btn:hover{color:var(--text)}.spb-icon{width:38px;height:38px;border-radius:50%;background:var(--teal-light);display:flex;align-items:center;justify-content:center;font-size:0.95rem;color:var(--teal);transition:background 0.3s,color 0.3s}.srv-path-btn.active .spb-icon{background:var(--teal);color:#fff}.spb-label{font-family:'Space Mono',monospace;font-size:0.7rem;letter-spacing:0.08em;text-transform:uppercase}.srv-path-connector{width:16px;height:1px;background:var(--border);flex-shrink:0}