.three-bg-canvas{width:100vw;height:100vh;z-index:0;pointer-events:none;opacity:.88;contain:strict;will-change:transform;height:100lvh;position:fixed;top:0;bottom:0;left:0;right:0;overflow:hidden;transform:translateZ(0)}.three-bg-canvas canvas{display:block;width:100%!important;height:100%!important}.modern-footer{border-top:1px solid var(--border-subtle);z-index:10;background:rgba(4,6,14,.9);padding-top:max(40px,min(5vw,60px));padding-bottom:32px;position:relative}.footer-content-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:max(24px,min(4vw,48px));margin-bottom:max(40px,min(5vw,64px));display:grid}.footer-brand-title{font-family:var(--font-title);color:#fff;margin-bottom:14px;font-size:1.4rem;font-weight:800}.brand-group{color:var(--text-muted);font-weight:400}.footer-about-text{color:var(--text-muted);max-width:320px;margin-bottom:16px;font-size:.88rem;line-height:1.6}.footer-city-tag{color:var(--text-dim);align-items:center;gap:6px;font-size:.78rem;font-weight:600;display:inline-flex}.footer-nav-title{font-family:var(--font-title);color:#fff;margin-bottom:18px;font-size:.95rem;font-weight:700}.footer-links-list{flex-direction:column;gap:10px;list-style:none;display:flex}.footer-links-list a{color:var(--text-muted);font-size:.86rem;transition:color .2s}.footer-links-list a:hover{color:#fff}.footer-contact-items{flex-direction:column;gap:12px;display:flex}.f-contact-link{color:var(--text-muted);align-items:center;gap:10px;font-size:.86rem;transition:color .2s;display:inline-flex}.f-contact-link:hover{color:#fff}.footer-bottom-row{border-top:1px solid var(--border-subtle);color:var(--text-dim);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-top:24px;font-size:.82rem;display:flex}.footer-back-top-btn{color:var(--text-muted);border-radius:var(--radius-pill);border:1px solid var(--border-subtle);background:rgba(255,255,255,.04);align-items:center;gap:6px;padding:6px 14px;font-size:.8rem;font-weight:600;transition:all .2s;display:inline-flex}.footer-back-top-btn:hover{color:#fff;background:rgba(255,255,255,.1)}@media (max-width:960px){.footer-content-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:560px){.footer-content-grid{grid-template-columns:1fr}}