.footer{position:relative;background:var(--current-surface);border-top:1px solid var(--current-border);padding:var(--spacing-8) 0 var(--spacing-6);margin-top:var(--spacing-12)}:root[data-theme=dark] .footer{border-top:1px solid rgba(255,255,255,.1);background:var(--color-dark-surface)}:root[data-theme=light] .footer{border-top:1px solid rgba(0,0,0,.1);background:var(--color-light-surface)}.footer__main{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-10);padding-bottom:var(--spacing-8);border-bottom:1px solid var(--current-border);margin-bottom:var(--spacing-6);max-width:1100px;margin-left:auto;margin-right:auto;width:100%;padding-left:60px;box-sizing:border-box}:root[data-theme=dark] .footer__main{border-bottom-color:rgba(255,255,255,.08)}:root[data-theme=light] .footer__main{border-bottom-color:rgba(0,0,0,.08)}.footer__section{display:flex;flex-direction:column;gap:var(--spacing-3)}.footer__about,.footer__contact,.footer__qrcode{align-items:flex-start;text-align:left;padding-left:var(--spacing-4)}.footer__section-title{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--current-text-primary);margin:0;margin-bottom:var(--spacing-2)}.footer__description{font-size:var(--font-size-sm);line-height:1.8;color:var(--current-text-secondary);margin:0;max-width:300px}.footer__contact-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:var(--spacing-3);width:100%}.footer__contact-item{display:flex;align-items:center;justify-content:flex-start;gap:var(--spacing-2);font-size:var(--font-size-sm);color:var(--current-text-secondary);line-height:1.6}.footer__icon{width:18px;height:18px;flex-shrink:0;color:var(--color-accent)}.footer__email-link{color:var(--current-text-secondary);text-decoration:none;transition:color var(--transition-fast)}.footer__email-link:hover{color:var(--color-accent);text-decoration:underline}.footer__qrcode-container{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-2);background:rgba(255,255,255,.05);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);padding:var(--spacing-4);border-radius:var(--border-radius-lg);border:1px solid rgba(255,255,255,.1);transition:transform var(--transition-normal),box-shadow var(--transition-normal);margin-top:var(--spacing-2)}:root[data-theme=light] .footer__qrcode-container{background:rgba(0,0,0,.03);border-color:rgba(0,0,0,.05)}.footer__qrcode-container:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.1)}.footer__qrcode-image{width:100px;height:100px;border-radius:var(--border-radius-md);border:none;padding:0;background:transparent}.footer__qrcode-label{font-size:var(--font-size-xs);color:var(--current-text-secondary);margin:0;text-align:center;font-weight:var(--font-weight-medium);width:100%}.footer__bottom{display:flex;justify-content:center;padding-top:var(--spacing-4);width:100%}.footer__copyright{text-align:center;display:flex;flex-direction:column;gap:var(--spacing-2);align-items:center}.footer__copyright-text,.footer__icp{margin:0;font-size:var(--font-size-sm);color:var(--current-text-secondary);line-height:1.5}.footer__icp-link{color:var(--current-text-secondary);text-decoration:none;transition:all var(--transition-fast);position:relative}.footer__icp-link:hover{color:var(--color-accent);text-decoration:none}:root[data-theme=dark] .footer__icp-link{color:#A0A0A0}:root[data-theme=dark] .footer__icp-link:hover{color:var(--color-accent)}:root[data-theme=light] .footer__icp-link{color:#6B7280}:root[data-theme=light] .footer__icp-link:hover{color:var(--color-primary-light)}@media (max-width:992px){.footer__main{grid-template-columns:repeat(2,1fr);gap:var(--spacing-6);padding-left:0}.footer__qrcode{grid-column:1/-1;justify-content:center;padding-left:0;margin-top:var(--spacing-4);text-align:center}.footer__qrcode,.footer__qrcode-container{align-items:center}.footer__about,.footer__contact{padding-left:0}.footer__contact{align-items:flex-start}}@media (max-width:768px){.footer{padding:var(--spacing-8) 0 var(--spacing-4);margin-top:var(--spacing-8)}.footer__main{grid-template-columns:1fr;gap:var(--spacing-8);padding-bottom:var(--spacing-6);padding-left:0}.footer__section{text-align:center;align-items:center}.footer__about,.footer__contact,.footer__qrcode{padding-left:0;align-items:center;text-align:center}.footer__contact-item{justify-content:center}.footer__qrcode-container{align-items:center}.footer__qrcode-label{text-align:center}.footer__qrcode-image{width:90px;height:90px}.footer__copyright-text,.footer__icp{font-size:var(--font-size-xs)}.footer__description{max-width:none}}.footer__section{animation:fadeInUp .6s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.footer__email-link:focus,.footer__icp-link:focus{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:var(--border-radius-sm)}:root[data-theme=dark] .footer__contact-item,:root[data-theme=dark] .footer__copyright-text,:root[data-theme=dark] .footer__description{color:#8C94A2}:root[data-theme=light] .footer__contact-item,:root[data-theme=light] .footer__copyright-text,:root[data-theme=light] .footer__description{color:#4B5563}