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p{align-items:center;display:flex;gap:10px;margin-bottom:15px;opacity:.9}.telegram-icon-footer{color:#08c;font-size:1.2rem;transition:all .3s ease}.telegram-icon-footer:hover{color:#166ff9;color:var(--accent-color);transform:scale(1.1)}.social-links{display:flex;gap:15px;margin-top:20px}.social-links a{align-items:center;background:#ffffff1a;border-radius:50%;color:#fff;display:flex;font-size:1.2rem;height:40px;justify-content:center;transition:all .3s ease;width:40px}.social-links a:hover{background:#2563eb;background:var(--primary-color);color:#fff;transform:translateY(-3px)}.copyright{border-top:1px solid #ffffff1a;font-size:1rem;margin:0 auto;max-width:1400px;opacity:.7;padding-top:30px;text-align:center}.mobile-menu-btn{background:none;border:none;color:#0f172a;color:var(--dark-color);cursor:pointer;display:none;font-size:24px}.mobile-menu{background-color:#fff;box-shadow:0 5px 10px 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1}.step-number{color:#2563eb;color:var(--primary-color);font-size:16px;font-weight:700;margin-bottom:8px}.step-description{font-size:15px;line-height:1.6}.diameters-list{list-style:none;margin:12px 0;padding-left:20px}.diameters-list li{margin-bottom:6px;padding-left:5px;position:relative}.diameters-list li:before{color:#2563eb;color:var(--primary-color);content:"•";font-size:18px;font-weight:700;left:-18px;margin-right:10px;position:absolute}.warning-section{background:linear-gradient(135deg,#fff3cd,#ffeaa7);border:2px solid #ffc107;border-radius:10px;margin:35px 0;padding:25px}.warning-title{align-items:center;color:#856404;display:flex;font-size:18px;font-weight:700;margin-bottom:15px}.warning-title i{color:#ffc107;font-size:20px;margin-right:12px}.attention-section{background:linear-gradient(135deg,#d1ecf1,#bee5eb);border:2px solid #17a2b8;border-radius:10px;margin:35px 0;padding:25px}.attention-title{align-items:center;color:#0c5460;display:flex;font-size:18px;font-weight:700;margin-bottom:15px}.attention-title i{color:#17a2b8;font-size:20px;margin-right:12px}@keyframes popupFadeIn{0%{opacity:0;transform:scale(.9) translateY(-20px)}to{opacity:1;transform:scale(1) translateY(0)}}@media (max-width:768px){.installation-content{margin:20px auto;padding:25px 20px}.installation-title{font-size:24px;margin-bottom:30px;padding-right:0}.installation-step{flex-direction:column;padding:15px;text-align:center}.step-icon{margin-bottom:15px;margin-left:auto;margin-right:auto}.popup-close{font-size:24px;right:10px;top:10px}.attention-section,.warning-section{margin:25px 0;padding:20px}}@media (max-width:480px){.installation-popup{padding:10px}.installation-content{margin:10px auto;padding:20px 15px}.installation-title{font-size:20px}}.gallery-empty,.gallery-error,.gallery-loading{align-items:center;background:#fff;background:var(--card-bg);border-radius:16px;box-shadow:0 10px 30px -10px #0000001a;color:#1e293b;color:var(--secondary-color);display:flex;flex-direction:column;font-size:1.15rem;gap:15px;grid-column:1/-1;justify-content:center;padding:80px 20px;text-align:center}.gallery-loading i{color:#2563eb;color:var(--primary-color);font-size:2rem}.gallery-error i{color:#f97316;font-size:2rem}.gallery-retry{background:linear-gradient(135deg,#2563eb,#166ff9);background:linear-gradient(135deg,var(--primary-color) 0,var(--accent-color) 100%);border:none;border-radius:50px;color:#fff;cursor:pointer;display:inline-block;font-size:1rem;font-weight:600;padding:10px 28px;transition:all .3s ease}.gallery-retry:hover{box-shadow:0 10px 25px #2563eb4d;transform:translateY(-3px)}.gallery-no-image{align-items:center;background:linear-gradient(135deg,#f8fafc,#e2e8f0);background:linear-gradient(135deg,var(--light-color) 0,#e2e8f0 100%);color:#94a3b8;display:flex;font-size:2rem;height:100%;justify-content:center;width:100%}.product-detail-error{color:#b45309;font-size:.95rem;margin-top:15px}