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70px);display:flex;align-items:center;justify-content:center}.three-controls-bar{position:absolute;bottom:40px;left:50%;transform:translate(-50%);z-index:25;display:flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid rgba(255,255,255,.12);border-radius:999px;background:#121317e0;box-shadow:0 10px 26px #0006;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);max-width:92vw;overflow-x:auto}.three-control-btn{display:inline-flex;align-items:center;gap:4px;height:36px;padding:0 12px;border:0;border-radius:999px;background:transparent;color:var(--text-muted);font-size:11px;font-weight:800;cursor:pointer;white-space:nowrap;transition:background .15s ease,color .15s ease}.three-control-btn:hover{background:#ffffff1f;color:var(--text)}.three-control-btn--active{background:#4b8eff38;color:var(--primary-bright)}.three-bar-divider{width:1px;height:18px;background:#ffffff24}.mockup-3d-hint{position:absolute;bottom:12px;font-size:11px;font-weight:700;color:var(--text-dim);text-align:center;padding:0 16px}.zoom-controls{position:absolute;right:24px;bottom:24px;z-index:20;display:flex;align-items:center;gap:6px;padding:4px 10px;border:1px solid rgba(255,255,255,.1);border-radius:999px;background:#121317d6;box-shadow:0 10px 24px 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60px)}.studio-page--drawer-open .view-switcher{display:none}.studio-page--drawer-open .canvas-quick-bar{top:8px}.studio-page--drawer-open .case-stage{padding-top:60px}.control-panel--mobile-open{transform:translateY(0)}.control-panel__handle{display:flex;align-items:center;justify-content:center;width:100%;padding:10px 0 4px;border:0;background:transparent;cursor:pointer}.control-panel__handle-bar{width:36px;height:4px;border-radius:999px;background:#ffffff3d}.mobile-bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:60;display:flex;height:60px;border-top:1px solid rgba(255,255,255,.1);background:#121317f2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.mobile-bottom-nav__item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border:0;background:transparent;color:var(--text-dim);font-size:10px;font-weight:700}.mobile-bottom-nav__item--active{color:var(--primary-bright)}.mobile-bottom-nav__icon{font-size:20px}.view-switcher{top:12px}.view-switcher__tab{min-width:125px;height:30px;font-size:11px}.canvas-quick-bar{top:50px;padding:4px 8px;max-width:94vw}.case-stage{padding:56px 16px 20px}.phone-chassis{width:min(280px,78vw);height:min(540px,calc(100vh - 180px))}.faq-grid{grid-template-columns:1fr}}