/* ========= НОВЫЕ СТИЛИ ДЛЯ КАРТОЧЕК ГАЗОВ ========= */
        .gas-card-modern {
            max-width: 100%;
            width: 100%;
            background: #f1f6fb;
            backdrop-filter: blur(10px);
            border-radius: 32px;
            border: 1px solid rgba(42, 122, 255, 0.25);
            box-shadow: none;
            overflow: hidden;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .gas-card-modern:hover {
            transform: translateY(-3px);
            box-shadow: none;
        }

        .card-header {
            background: #f1f6fb;
            padding: 20px 28px;
            border-bottom: 1px solid rgba(91, 192, 255, 0.25);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .gas-title {
            display: flex;
            align-items: baseline;
            gap: 12px;
            flex-wrap: wrap;
        }

        .gas-formula {
            font-size: 2.2rem;
            font-weight: 800;
            font-family: 'Fira Mono', 'Courier New', monospace;
            background: #f1f6fb;
            -webkit-background-clip: text;
            background-clip: text;
            color: #29435c;
            letter-spacing: 1px;
        }

        .gas-name {
            font-size: 1.1rem;
            font-weight: 500;
            color: #29435c;
            background: #f1f6fb;
            padding: 4px 14px;
            border-radius: 60px;
            border: 1px solid rgba(91, 192, 255, 0.3);
        }

        .hazard-tag {
            background: #f1f6fb;
            border: 1px solid rgba(241, 196, 15, 0.5);
            padding: 6px 16px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #29435c;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .card-body {
            padding: 24px 28px;
        }

        .specs-wrapper {
            margin-bottom: 28px;
            border-radius: 20px;
            overflow-x: auto;
        }

        .specs-table-modern {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.75rem;
            background: #f1f6fb;
            border-radius: 20px;
            overflow: hidden;
        }

        .specs-table-modern th {
            background: #f1f6fb;
            padding: 12px 10px;
            font-weight: 700;
            color: #29435c;
            font-size: 0.7rem;
            letter-spacing: 0.5px;
            border-bottom: 1px solid rgba(91, 192, 255, 0.4);
            text-align: center;
        }

        .specs-table-modern td {
            padding: 10px 8px;
            text-align: center;
            border-bottom: 1px solid rgba(91, 192, 255, 0.12);
            color: #29435c;
            font-size: 0.73rem;
        }

        .specs-table-modern tr:last-child td {
            border-bottom: none;
        }

        .specs-table-modern tr:hover td {
            background: #f1f6fb;
        }

        .grade-cell {
            font-weight: 700;
            color: #29435c;
        }

        .specs-note {
            font-size: 0.65rem;
            color: #29435c;
            margin-top: 8px;
            text-align: right;
        }

        .description-block {
            background: #f1f6fb;
            border-radius: 20px;
            padding: 18px 22px;
            margin-bottom: 28px;
            border-left: 3px solid #2a7aff;
        }

        .description-block p {
            font-size: 0.85rem;
            line-height: 1.55;
            color: #29435c;
        }

        .description-block strong {
            color: #29435c;
        }

        .info-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
            margin-bottom: 20px;
        }

        .info-panel {
            background: #f1f6fb;
            border-radius: 20px;
            padding: 16px 18px;
            border: 1px solid rgba(42, 122, 255, 0.2);
            transition: all 0.2s;
        }

        .info-panel:hover {
            border-color: rgba(91, 192, 255, 0.4);
            background: #f1f6fb;
        }

        .panel-title {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            font-weight: 700;
            color: #29435c;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .panel-content {
            font-size: 0.82rem;
            line-height: 1.5;
            color: #29435c;
        }

        .panel-content strong {
            color: #29435c;
            font-weight: 600;
        }

        .card-footer {
            background: #f1f6fb;
            padding: 12px 28px;
            border-top: 1px solid rgba(91, 192, 255, 0.15);
            display: flex;
            justify-content: flex-end;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-badge {
            font-size: 0.7rem;
            color: #29435c;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        @media (max-width: 700px) {
            .card-header { flex-direction: column; align-items: flex-start; }
            .card-body { padding: 18px; }
            .info-grid { grid-template-columns: 1fr; }
            .specs-table-modern th, 
            .specs-table-modern td { padding: 8px 5px; font-size: 0.7rem; }
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            background: #f1f6fb;
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, 'Poppins', sans-serif;
            color: #29435c;
            line-height: 1.4;
            scroll-behavior: smooth;
        }

        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: #f1f6fb; }
        ::-webkit-scrollbar-thumb { background: #f1f6fb; border-radius: 6px; }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 20px 32px 60px;
        }

        .top-menu {
            background: #f1f6fb;
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(91, 192, 255, 0.25);
            border-top: 1px solid rgba(91, 192, 255, 0.15);
            margin-bottom: 3px;
            position: relative;
            z-index: 100;
            width: 100%;
            padding: 0;
        }

        .menu-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 8px 20px;
            display: flex;
            gap: 30px;
            align-items: center;
            flex-wrap: wrap;
        }

        .menu-item {
            position: relative;
        }

        .menu-link {
            color: #29435c;
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.5px;
            padding: 6px 0;
            display: inline-block;
            transition: all 0.2s ease;
            cursor: pointer;
        }

        .menu-link:hover {
            color: #29435c;
            text-shadow: 0 0 8px rgba(91, 192, 255, 0.5);
        }

        .dropdown {
            position: relative;
        }

        .dropdown-content {
            display: none;
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%);
            background: #f1f6fb;
            min-width: 240px;
            border-radius: 16px;
            border: 1px solid rgba(42, 122, 255, 0.4);
            box-shadow: none;
            z-index: 1000;
            backdrop-filter: blur(12px);
            overflow: hidden;
            margin-top: 5px;
        }

        .dropdown-content a {
            display: block;
            padding: 12px 20px;
            color: #29435c;
            text-decoration: none;
            font-size: 0.85rem;
            transition: all 0.2s ease;
            border-bottom: 1px solid rgba(91, 192, 255, 0.1);
            text-align: center;
            white-space: nowrap;
        }

        .dropdown-content a:last-child { border-bottom: none; }
        .dropdown-content a:hover { background: #f1f6fb; color: #29435c; }

        .dropdown::after {
            content: '';
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            height: 15px;
            background: transparent;
        }

        .dropdown:hover .dropdown-content { display: block; animation:none; }
        .dropdown-content:hover { display: block; }

        @keyframes fadeInDown {
            from { opacity: 0; transform: translateX(-50%) translateY(-10px); }
            to { opacity: 1; transform: translateX(-50%) translateY(0); }
        }

        @media (max-width: 768px) {
            .menu-container { padding: 10px 20px; gap: 20px; }
            .menu-link { font-size: 0.85rem; }
            .dropdown-content { left: 50%; transform: translateX(-50%); min-width: 200px; }
        }

        .header-center {
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-bottom: 25px;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            background: #f1f6fb;
            backdrop-filter: blur(4px);
            border-radius: 60px;
            padding: 6px 24px 6px 12px;
            box-shadow: none;
            border: 1px solid rgba(91, 192, 255, 0.2);
        }
        .atom-wrapper { display: flex; border-radius: 50%; overflow: hidden; box-shadow: none; cursor: pointer; }
        canvas#atomLogoCanvas { display: block; width: auto; height: auto; max-width: 150px; max-height: 150px; filter: drop-shadow(0 0 12px rgba(0, 150, 255, 0.6)); }
        .company-name { display: flex; flex-direction: column; }
        .main-name {
            font-size: clamp(1.8rem, 6vw, 3.2rem);
            font-weight: 800;
            letter-spacing: 4px;
            background: #f1f6fb;
            -webkit-background-clip: text;
            background-clip: text;
            color: #29435c;
            white-space: nowrap;
            cursor: pointer;
        }
        .tech-underline { height: 3px; width: 100%; background: #f1f6fb; border-radius: 4px; margin-top: 6px; animation:none; }
        .tagline { font-size: 0.7rem; letter-spacing: 2.5px; margin-top: 6px; text-align: right; background: #f1f6fb; -webkit-background-clip: text; background-clip: text; color: #29435c; text-transform: uppercase; }
        @keyframes pulseLine { 0% { opacity: 0.5; width: 70%;} 50% { opacity: 1; width: 100%;} 100% { opacity: 0.5; width: 70%;} }

        .hero { text-align: center; margin: 10px 0 40px; }
        .hero h1 { font-size: clamp(2rem, 6vw, 3.5rem); font-weight: 700; background: #f1f6fb; -webkit-background-clip: text; background-clip: text; color: #29435c; margin-bottom: 20px; }
        .hero p { font-size: 1.2rem; max-width: 800px; margin: 0 auto 30px; color: #29435c; }
        .btn-glow { display: inline-block; background: #f1f6fb; border: 1.5px solid #2a7aff; padding: 12px 32px; border-radius: 60px; font-weight: 600; color: #29435c; cursor: pointer; transition: 0.25s; text-decoration: none; backdrop-filter: blur(4px); }
        .btn-glow:hover { background: #f1f6fb; color: #29435c; box-shadow: none; }

        .features { display: flex; flex-wrap: wrap; justify-content: center; gap: 32px; margin: 40px 0 30px; }
        .feature { background: #f1f6fb; backdrop-filter: blur(5px); padding: 24px 20px; border-radius: 28px; flex: 1; min-width: 200px; text-align: center; border: 1px solid rgba(42,122,255,0.2); }
        .feature .num { font-size: 2rem; font-weight: 800; color: #29435c; }

        .contact-section { margin: 50px 0 40px; background: #f1f6fb; border-radius: 48px; padding: 40px 32px; border: 1px solid rgba(42, 122, 255, 0.4); text-align: center; }
        .contact-form { max-width: 550px; margin: 30px auto 0; display: flex; flex-direction: column; gap: 18px; }
        .contact-form input, .contact-form textarea { background: #f1f6fb; border: 1px solid #2a7aff; padding: 14px 20px; border-radius: 48px; font-size: 1rem; color: #29435c; outline: none; }
        .contact-form input:focus, .contact-form textarea:focus { border-color: #5bc0ff; box-shadow: none; }
        .contact-form button { background: #f1f6fb; border: none; padding: 14px; font-weight: bold; border-radius: 60px; color: #29435c; cursor: pointer; }
        .contact-form button:hover { background: #f1f6fb; box-shadow: none; }
        
        footer { text-align: center; margin-top: 60px; padding-top: 30px; border-top: 1px solid rgba(91, 192, 255, 0.2); font-size: 0.85rem; color: #29435c; }
        
        .modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: #f1f6fb; backdrop-filter: blur(8px); z-index: 4000; justify-content: center; align-items: center; }
        .modal.active { display: flex; }
        .modal-content { background: #f1f6fb; border-radius: 48px; max-width: 720px; width: 90%; max-height: 85vh; overflow-y: auto; border: 1px solid #2a7aff; padding: 24px 28px; }
        .modal-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #2a7aff; padding-bottom: 12px; margin-bottom: 20px; }
        .modal-header h2 { font-size: 1.8rem; background: #f1f6fb; -webkit-background-clip: text; background-clip: text; color: #29435c; }
        .modal-close { background: none; border: none; font-size: 2rem; color: #29435c; cursor: pointer; }
        .specs-table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.8rem; }
        .specs-table th, .specs-table td { border: 1px solid rgba(91,192,255,0.3); padding: 8px 6px; text-align: center; }
        .specs-table th { background: #f1f6fb; }
        .application-tag { margin-top: 16px; background: #f1f6fb; padding: 12px; border-radius: 28px; border-left: 4px solid #5bc0ff; }

        .doc-modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #f1f6fb;
            backdrop-filter: blur(8px);
            z-index: 3500;
            display: flex;
            justify-content: center;
            align-items: center;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        .doc-modal-overlay.active { opacity: 1; visibility: visible; }
        .doc-modal-content {
            background: #f1f6fb;
            border-radius: 32px;
            max-width: 900px;
            width: 90%;
            max-height: 85vh;
            overflow-y: auto;
            border: 1px solid #2a7aff;
            margin: 20px;
        }
        .doc-modal-header { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; border-bottom: 1px solid rgba(42, 122, 255, 0.4); }
        .doc-modal-header h2 { font-size: 1.6rem; background: #f1f6fb; -webkit-background-clip: text; background-clip: text; color: #29435c; }
        .doc-modal-close { background: none; border: none; font-size: 2rem; color: #29435c; cursor: pointer; }
        .doc-modal-body { padding: 24px; }
        .doc-modal-body .card { background: #f1f6fb; border-radius: 28px; padding: 28px; border: 1px solid #2a7aff; }

        .chat-toggle-btn {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: #f1f6fb;
            border: none;
            cursor: pointer;
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #29435c;
            font-size: 28px;
        }
        .chat-window {
            position: fixed;
            bottom: 110px;
            right: 30px;
            width: 380px;
            height: 550px;
            background: #f1f6fb;
            border-radius: 24px;
            border: 1px solid rgba(42, 122, 255, 0.5);
            display: none;
            flex-direction: column;
            overflow: hidden;
            z-index: 1001;
        }
        .chat-window.open { display: flex; }
        .chat-header { background: #f1f6fb; padding: 14px 20px; display: flex; justify-content: space-between; align-items: center; }
        .chat-avatar { width: 40px; height: 40px; background: #f1f6fb; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 20px; }
        .chat-header-text h3 { font-size: 0.9rem; }
        .chat-header-text p { font-size: 0.65rem; color: #29435c; }
        .status-online { display: inline-block; width: 8px; height: 8px; background: #f1f6fb; border-radius: 50%; margin-right: 6px; animation:none; }
        @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
        .chat-close { background: none; border: none; color: #29435c; font-size: 22px; cursor: pointer; }
        .chat-messages { flex: 1; padding: 16px; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; }
        .message { max-width: 85%; padding: 8px 12px; border-radius: 16px; font-size: 0.8rem; }
        .message.operator { background: #f1f6fb; border: 1px solid rgba(42, 122, 255, 0.4); align-self: flex-start; }
        .message.user { background: #f1f6fb; align-self: flex-end; }
        .message-time { font-size: 0.55rem; opacity: 0.6; margin-top: 4px; text-align: right; }
        .quick-replies { padding: 10px 12px; display: flex; gap: 8px; flex-wrap: wrap; border-top: 1px solid rgba(42, 122, 255, 0.2); }
        .quick-reply-btn { background: #f1f6fb; border: 1px solid rgba(42, 122, 255, 0.4); border-radius: 20px; padding: 5px 12px; font-size: 0.7rem; color: #29435c; cursor: pointer; }
        .quick-reply-btn:hover { background: #f1f6fb; color: #29435c; }
        .chat-input-area { padding: 12px; border-top: 1px solid rgba(42, 122, 255, 0.3); display: flex; gap: 10px; }
        .chat-input-area input { flex: 1; background: #f1f6fb; border: 1px solid rgba(42, 122, 255, 0.4); border-radius: 30px; padding: 10px 15px; color: #29435c; outline: none; }
        .send-btn { background: #f1f6fb; border: none; border-radius: 50%; width: 40px; height: 40px; cursor: pointer; color: #29435c; }
        .telegram-status { font-size: 0.6rem; padding: 4px 8px; background: #f1f6fb; text-align: center; color: #29435c; }
        .telegram-status.connected { color: #29435c; }

        .fullwidth-slider-wrapper {
            position: relative;
            width: 100vw;
            left: 50%;
            right: 50%;
            margin-left: -50vw !important;
            margin-right: -50vw !important;
            margin-top: 30px;
            margin-bottom: 40px;
            padding: 0 !important;
            overflow-x: hidden;
        }
        
        .kvantek-full-slider {
            width: 100%;
            position: relative;
            overflow: hidden;
            border-radius: 0 !important;
        }
        
        .kvantek-full-slides {
            width: 100%;
            position: relative;
        }
        
        .kvantek-full-slide {
            display: none;
            position: relative;
            width: 100%;
            min-height: 380px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        
        .kvantek-full-slide.active {
            display: block;
            animation:none;
        }
        
        @keyframes kvantekFullFade {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        .kvantek-full-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #f1f6fb;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 40px 24px;
            box-sizing: border-box;
        }
        
        .kvantek-full-icon {
            font-size: 52px;
            margin-bottom: 14px;
            background: #f1f6fb;
            backdrop-filter: blur(8px);
            width: 90px;
            height: 90px;
            line-height: 90px;
            border-radius: 50%;
            border: 1px solid rgba(42, 122, 255, 0.6);
            box-shadow: none;
        }
        
        .kvantek-full-title {
            font-size: clamp(22px, 5vw, 34px);
            font-weight: 800;
            background: #f1f6fb;
            -webkit-background-clip: text;
            background-clip: text;
            color: #29435c;
            margin: 10px 0 6px;
            letter-spacing: 1px;
        }
        
        .kvantek-full-subtitle {
            font-size: clamp(13px, 3.8vw, 17px);
            color: #29435c;
            margin-bottom: 18px;
            max-width: 80%;
            margin-left: auto;
            margin-right: auto;
        }
        
        .kvantek-full-badges {
            display: flex;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
            margin: 15px 0;
        }
        
        .kvantek-full-badge {
            background: #f1f6fb;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(42, 122, 255, 0.5);
            padding: 5px 18px;
            border-radius: 40px;
            font-size: 12px;
            font-weight: 500;
            color: #29435c;
            letter-spacing: 0.3px;
        }
        
        .kvantek-full-btn {
            display: inline-block;
            background: #f1f6fb;
            backdrop-filter: blur(8px);
            border: 1.5px solid #2a7aff;
            padding: 10px 34px;
            border-radius: 60px;
            font-weight: 600;
            color: #29435c;
            cursor: pointer;
            transition: 0.25s;
            text-decoration: none;
            margin-top: 10px;
            font-size: 13px;
            letter-spacing: 0.5px;
        }
        
        .kvantek-full-btn:hover {
            background: #f1f6fb;
            color: #29435c;
            box-shadow: none;
            transform: translateY(-2px);
        }
        
        .kvantek-full-nav {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 24px;
            padding: 14px 20px;
            background: #f1f6fb;
            backdrop-filter: blur(4px);
            border-top: 1px solid rgba(42, 122, 255, 0.3);
        }
        
        .kvantek-full-arrow {
            background: #f1f6fb;
            border: none;
            font-size: 22px;
            color: #29435c;
            cursor: pointer;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            transition: 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .kvantek-full-arrow:hover {
            background: #f1f6fb;
            color: #29435c;
            transform: scale(1.05);
        }
        
        .kvantek-full-dots {
            display: flex;
            gap: 12px;
        }
        
        .kvantek-full-dot {
            width: 10px;
            height: 10px;
            background: #f1f6fb;
            border-radius: 50%;
            cursor: pointer;
            transition: all 0.2s;
        }
        
        .kvantek-full-dot.active {
            background: #f1f6fb;
            width: 28px;
            border-radius: 10px;
            box-shadow: none;
        }
        
        .container {
            max-width: 100% !important;
            padding-left: 0 !important;
            padding-right: 0 !important;
            overflow-x: hidden !important;
        }
        
        .container > :not(.fullwidth-slider-wrapper) {
            padding-left: 20px;
            padding-right: 20px;
        }
        
        @media (min-width: 1400px) {
            .container > :not(.fullwidth-slider-wrapper) {
                max-width: 1400px;
                margin-left: auto;
                margin-right: auto;
            }
        }
        
        @media (max-width: 768px) {
            .kvantek-full-slide { min-height: 420px; }
            .kvantek-full-overlay { padding: 20px 16px; }
            .kvantek-full-subtitle { max-width: 95%; }
        }
    

/* ========= СТИЛИ ДЛЯ БЛОКА ПРОДУКЦИИ ========= */
.products-showcase {
    max-width: 1400px;
    margin: 40px auto 60px;
    padding: 0 20px;
}

.products-header {
    text-align: center;
    margin-bottom: 48px;
}

.products-title {
    font-size: clamp(1.6rem, 5vw, 2.5rem);
    font-weight: 700;
    background: #f1f6fb;
    -webkit-background-clip: text;
    background-clip: text;
    color: #29435c;
    margin-bottom: 16px;
}

.products-subtitle {
    font-size: 1.05rem;
    color: #29435c;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.5;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.product-category {
    background: #f1f6fb;
    backdrop-filter: blur(8px);
    border-radius: 28px;
    padding: 28px 24px;
    border: 1px solid rgba(42, 122, 255, 0.25);
    transition: all 0.3s ease;
    text-align: center;
}

.product-category:hover {
    transform: translateY(-5px);
    border-color: rgba(91, 192, 255, 0.5);
    box-shadow: none;
}

.product-icon {
    font-size: 48px;
    margin-bottom: 20px;
    background: #f1f6fb;
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 50%;
    margin-left: auto;
    margin-right: auto;
    background: #f1f6fb;
    border: 1px solid rgba(42, 122, 255, 0.4);
    box-shadow: none;
}

.product-name {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: #29435c;
    margin-bottom: 16px;
    line-height: 1.4;
    min-height: 48px;
}

.product-desc {
    font-size: 0.85rem;
    color: #29435c;
    line-height: 1.55;
    margin-bottom: 24px;
}

.product-link {
    display: inline-block;
    background: #f1f6fb;
    border: 1px solid #2a7aff;
    padding: 8px 24px;
    border-radius: 40px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #29435c;
    text-decoration: none;
    transition: all 0.2s ease;
}

.product-link:hover {
    background: #f1f6fb;
    color: #29435c;
    box-shadow: none;
    transform: scale(1.02);
}

/* Адаптив */
@media (max-width: 1000px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 700px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-category {
        padding: 24px 20px;
    }
    
    .product-name {
        min-height: auto;
    }
    
    .products-showcase {
        margin: 30px auto;
    }
}


/* ========= СТИЛИ ДЛЯ БЛОКА ОТРАСЛИ ========= */
.industries-section {
    max-width: 1400px;
    margin: 60px auto;
    padding: 0 20px;
}

.industries-header {
    text-align: center;
    margin-bottom: 48px;
}

.industries-title {
    font-size: clamp(1.6rem, 5vw, 2.5rem);
    font-weight: 700;
    background: #f1f6fb;
    -webkit-background-clip: text;
    background-clip: text;
    color: #29435c;
    margin-bottom: 16px;
}

.industries-subtitle {
    font-size: 1.05rem;
    color: #29435c;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.5;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.industry-card {
    background: #f1f6fb;
    backdrop-filter: blur(8px);
    border-radius: 28px;
    padding: 32px 28px;
    border: 1px solid rgba(42, 122, 255, 0.25);
    transition: all 0.3s ease;
    text-align: center;
}

.industry-card:hover {
    transform: translateY(-5px);
    border-color: rgba(91, 192, 255, 0.5);
    background: #f1f6fb;
    box-shadow: none;
}

.industry-icon {
    font-size: 52px;
    margin-bottom: 24px;
    display: inline-block;
    background: #f1f6fb;
    width: 90px;
    height: 90px;
    line-height: 90px;
    border-radius: 50%;
    text-align: center;
    border: 1px solid rgba(42, 122, 255, 0.4);
}

.industry-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: #29435c;
    margin-bottom: 16px;
    line-height: 1.4;
}

.industry-desc {
    font-size: 0.9rem;
    color: #29435c;
    line-height: 1.55;
}

/* Адаптив */
@media (max-width: 1000px) {
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 700px) {
    .industries-grid {
        grid-template-columns: 1fr;
    }
    
    .industry-card {
        padding: 28px 24px;
    }
    
    .industries-section {
        margin: 40px auto;
    }
    
    .industry-icon {
        width: 70px;
        height: 70px;
        line-height: 70px;
        font-size: 40px;
    }
}


        /* ========= СТИЛИ ДЛЯ НОВОГО ПОДВАЛА ========= */
        .kvantek-footer {
            background: #f1f6fb;
            border-top: 1px solid rgba(91, 192, 255, 0.25);
            margin-top: 60px;
            padding-top: 50px;
            width: 100%;
        }

        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 32px 40px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
        }

        .footer-logo-text {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 3px;
            background: #f1f6fb;
            -webkit-background-clip: text;
            background-clip: text;
            color: #29435c;
        }

        .footer-logo-underline {
            width: 100%;
            height: 3px;
            background: #f1f6fb;
            border-radius: 3px;
            margin-top: 8px;
        }

        .footer-description {
            font-size: 0.85rem;
            line-height: 1.55;
            color: #29435c;
            margin: 20px 0;
        }

        .footer-social {
            display: flex;
            gap: 15px;
        }

        .social-link {
            width: 40px;
            height: 40px;
            background: #f1f6fb;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            text-decoration: none;
            color: #29435c;
            transition: all 0.25s ease;
            border: 1px solid rgba(42, 122, 255, 0.3);
        }

        .social-link:hover {
            background: #f1f6fb;
            color: #29435c;
            transform: translateY(-3px);
            box-shadow: none;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: #29435c;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
            display: inline-block;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: #f1f6fb;
            border-radius: 2px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: #29435c;
            text-decoration: none;
            font-size: 0.85rem;
            transition: all 0.2s ease;
            display: inline-block;
        }

        .footer-links a:hover {
            color: #29435c;
            transform: translateX(5px);
        }

        .footer-contacts {
            list-style: none;
            padding: 0;
            margin: 0 0 25px 0;
        }

        .footer-contacts li {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
            font-size: 0.85rem;
            color: #29435c;
        }

        .footer-contacts a {
            color: #29435c;
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-contacts a:hover {
            color: #29435c;
        }

        .contact-icon {
            font-size: 1.1rem;
            min-width: 24px;
            color: #29435c;
        }

        .footer-worktime {
            background: #f1f6fb;
            border-radius: 16px;
            padding: 12px 16px;
            border: 1px solid rgba(42, 122, 255, 0.2);
        }

        .worktime-title {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: #29435c;
            margin-bottom: 8px;
            font-weight: 600;
        }

        .footer-worktime div:not(.worktime-title) {
            font-size: 0.8rem;
            color: #29435c;
            line-height: 1.5;
        }

        .footer-bottom {
            border-top: 1px solid rgba(91, 192, 255, 0.15);
            padding: 20px 32px;
            background: #f1f6fb;
        }

        .footer-bottom-content {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 0.75rem;
            color: #29435c;
        }

        .footer-docs {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .footer-docs a {
            color: #29435c;
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-docs a:hover {
            color: #29435c;
        }

        .separator {
            color: #29435c;
        }

        /* Адаптив */
        @media (max-width: 900px) {
            .footer-container {
                grid-template-columns: repeat(2, 1fr);
                gap: 35px;
                padding: 0 24px 35px;
            }
        }

        @media (max-width: 550px) {
            .footer-container {
                grid-template-columns: 1fr;
                gap: 30px;
                padding: 0 20px 30px;
            }
            
            .footer-bottom-content {
                flex-direction: column;
                text-align: center;
            }
            
            .footer-title {
                text-align: left;
            }
            
            .footer-title::after {
                left: 0;
                transform: none;
            }
        }
    

    .popup-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: #f1f6fb;
        backdrop-filter: blur(8px);
        z-index: 3000;
        justify-content: center;
        align-items: center;
    }
    .popup-overlay.active { display: flex; }
    
    .popup-container-two-panels {
        max-width: 1300px;
        width: 90%;
        height: 85vh;
        max-height: 85vh;
        background: #f1f6fb;
        border-radius: 32px;
        border: 1px solid rgba(42, 122, 255, 0.5);
        box-shadow: none;
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }
    
    .popup-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 16px 24px;
        border-bottom: 1px solid rgba(42, 122, 255, 0.4);
        background: #f1f6fb;
        flex-shrink: 0;
    }
    .popup-header h2 { 
        font-size: 1.5rem; 
        background: #f1f6fb; 
        -webkit-background-clip: text; 
        background-clip: text; 
        color: #29435c; 
        margin: 0; 
    }
    .popup-close { 
        background: none; 
        border: none; 
        font-size: 2rem; 
        color: #29435c; 
        cursor: pointer; 
        width: 40px; 
        height: 40px; 
        border-radius: 50%; 
        display: flex;
        align-items: center;
        justify-content: center;
        transition: 0.2s;
    }
    .popup-close:hover { 
        background: #f1f6fb; 
        color: #29435c; 
        transform: rotate(90deg); 
    }
    
    .popup-body-two-panels {
        display: flex;
        flex: 1;
        overflow: hidden;
        min-height: 0;
    }
    
    .popup-sidebar-two {
        width: 320px;
        background: #f1f6fb;
        border-right: 1px solid rgba(42, 122, 255, 0.3);
        display: flex;
        flex-direction: column;
        overflow: hidden;
        flex-shrink: 0;
    }
    .popup-sidebar-two h3 { 
        font-size: 0.95rem; 
        color: #29435c; 
        padding: 16px 16px 10px 16px;
        margin: 0;
        border-bottom: 1px solid rgba(42, 122, 255, 0.3);
        background: #f1f6fb;
        flex-shrink: 0;
    }
    .gas-nav-list-two { 
        flex: 1;
        overflow-y: auto;
        padding: 12px 8px;
        display: flex;
        flex-direction: column;
        gap: 4px;
    }
    .gas-nav-item-two {
        padding: 10px 14px;
        background: #f1f6fb;
        border-radius: 12px;
        cursor: pointer;
        transition: all 0.2s ease;
        border: 1px solid transparent;
        display: flex;
        align-items: baseline;
        gap: 8px;
    }
    .gas-nav-item-two:hover { 
        background: #f1f6fb; 
        transform: translateX(4px); 
    }
    .gas-nav-item-two.active { 
        background: #f1f6fb; 
        border-color: #5bc0ff; 
        box-shadow: none;
    }
    .gas-nav-item-two.active .gas-nav-formula-two,
    .gas-nav-item-two.active .gas-nav-name-two {
        color: #29435c;
    }
    .gas-nav-formula-two { 
        font-weight: 800; 
        font-family: monospace; 
        font-size: 1.1rem; 
        min-width: 60px;
        color: #29435c;
    }
    .gas-nav-name-two { 
        font-size: 0.8rem; 
        color: #29435c;
        flex: 1;
    }
    
    .popup-detail-two {
        flex: 1;
        background: #f1f6fb;
        display: flex;
        flex-direction: column;
        overflow: hidden;
        min-width: 0;
    }
    .detail-header-two {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 14px 24px;
        border-bottom: 1px solid rgba(42, 122, 255, 0.3);
        background: #f1f6fb;
        flex-shrink: 0;
    }
    .detail-header-two h3 { 
        font-size: 1rem; 
        color: #29435c; 
        margin: 0; 
    }
    .detail-close-two { 
        background: none; 
        border: none; 
        font-size: 1.3rem; 
        color: #29435c; 
        cursor: pointer; 
        width: 32px; 
        height: 32px; 
        border-radius: 50%; 
        display: flex; 
        align-items: center; 
        justify-content: center;
        transition: 0.2s;
    }
    .detail-close-two:hover { 
        background: #f1f6fb; 
        color: #29435c; 
    }
    .detail-content-two { 
        flex: 1; 
        padding: 24px 28px; 
        overflow-y: auto; 
    }
    .detail-placeholder-two {
        text-align: center;
        padding: 60px 20px;
        color: #29435c;
    }
    .placeholder-icon {
        font-size: 48px;
        margin-bottom: 16px;
        opacity: 0.6;
    }
    .detail-placeholder-two p {
        font-size: 0.95rem;
    }
    
    .detail-gas-formula-two { 
        font-size: 3rem; 
        font-weight: 800; 
        font-family: monospace; 
        background: #f1f6fb; 
        -webkit-background-clip: text; 
        background-clip: text; 
        color: #29435c; 
        text-align: center; 
        margin-bottom: 8px;
    }
    .detail-gas-name-two { 
        text-align: center; 
        font-size: 1.3rem; 
        color: #29435c; 
        margin-bottom: 16px; 
        padding-bottom: 12px; 
        border-bottom: 1px solid rgba(42, 122, 255, 0.3);
    }
    .specs-table-two { 
        width: 100%; 
        border-collapse: collapse; 
        font-size: 0.8rem; 
        margin: 20px 0;
        background: #f1f6fb;
        border-radius: 16px;
        overflow: hidden;
    }
    .specs-table-two th, 
    .specs-table-two td { 
        border: 1px solid rgba(91, 192, 255, 0.25); 
        padding: 10px 8px; 
        text-align: center; 
    }
    .specs-table-two th { 
        background: #f1f6fb; 
        color: #29435c; 
        font-weight: 600;
        font-size: 0.75rem;
    }
    .use-block-two { 
        margin-top: 24px; 
        background: #f1f6fb; 
        padding: 16px 20px; 
        border-radius: 20px; 
        border-left: 4px solid #5bc0ff; 
        font-size: 0.85rem; 
        line-height: 1.5;
    }
    .use-block-two strong {
        color: #29435c;
    }
    .additional-info-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        margin: 20px 0;
        padding: 16px;
        background: #f1f6fb;
        border-radius: 20px;
    }
    .info-item {
        margin-bottom: 0;
    }
    .info-item strong {
        color: #29435c;
        font-size: 0.8rem;
        display: block;
        margin-bottom: 6px;
    }
    .info-item span {
        font-size: 0.85rem;
        color: #29435c;
        line-height: 1.4;
    }
    .gas-photo {
        text-align: center;
        margin-bottom: 20px;
    }
    .gas-photo img {
        max-width: 200px;
        max-height: 200px;
        border-radius: 16px;
        border: 2px solid #2a7aff;
        box-shadow: none;
    }
    .hazard-badge {
        display: inline-block;
        padding: 4px 10px;
        border-radius: 20px;
        font-size: 0.75rem;
        font-weight: 600;
    }
    .hazard-1 { background: #f1f6fb; color: #29435c; }
    .hazard-2 { background: #f1f6fb; color: #29435c; }
    .hazard-3 { background: #f1f6fb; color: #29435c; }
    .hazard-4 { background: #f1f6fb; color: #29435c; }
    .hazard-5 { background: #f1f6fb; color: #29435c; }
    .hazard-6 { background: #f1f6fb; color: #29435c; }
    .hazard-7 { background: #f1f6fb; color: #29435c; }
    .hazard-8 { background: #f1f6fb; color: #29435c; }
    .hazard-9 { background: #f1f6fb; color: #29435c; }

    .gas-nav-list-two::-webkit-scrollbar, 
    .detail-content-two::-webkit-scrollbar { width: 4px; }
    .gas-nav-list-two::-webkit-scrollbar-track, 
    .detail-content-two::-webkit-scrollbar-track { background: #f1f6fb; }
    .gas-nav-list-two::-webkit-scrollbar-thumb, 
    .detail-content-two::-webkit-scrollbar-thumb { background: #f1f6fb; border-radius: 4px; }

    @media (max-width: 700px) {
        .popup-container-two-panels { width: 95%; height: 90vh; }
        .popup-body-two-panels { flex-direction: column; }
        .popup-sidebar-two { width: 100%; border-right: none; border-bottom: 1px solid rgba(42, 122, 255, 0.3); max-height: 200px; }
        .gas-nav-list-two { flex-direction: row; flex-wrap: wrap; gap: 6px; padding: 10px; }
        .gas-nav-item-two { padding: 6px 12px; white-space: nowrap; }
        .gas-nav-formula-two { min-width: auto; font-size: 0.9rem; }
        .popup-detail-two { max-height: 60vh; }
        .detail-content-two { padding: 16px; }
        .detail-gas-formula-two { font-size: 2rem; }
        .specs-table-two { font-size: 0.7rem; }
        .specs-table-two th, .specs-table-two td { padding: 6px 4px; }
        .additional-info-grid { grid-template-columns: 1fr; gap: 12px; }
        .gas-photo img { max-width: 150px; max-height: 150px; }
    }
    /* ========= СТИЛИ ДЛЯ ПОИСКА ПО САЙТУ ========= */
.search-container {
    position: relative;
    display: flex;
    align-items: center;
    margin-left: 341;  /* ← добавьте эту строку */
}

.search-wrapper {
    position: relative;
}

#gasSearchInput {
    background: #f1f6fb;
    border: 1px solid rgba(42, 122, 255, 0.5);
    border-radius: 40px;
    padding: 8px 16px;
    width: 160px;
    color: #29435c;
    font-size: 0.85rem;
    outline: none;
    transition: all 0.2s ease;
}

#gasSearchInput:focus {
    border-color: #5bc0ff;
    box-shadow: none;
    width: 160px;
}

#gasSearchInput::placeholder {
    color: #29435c;
}

.search-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #f1f6fb;
    border: 1px solid rgba(42, 122, 255, 0.4);
    border-radius: 16px;
    margin-top: 8px;
    max-height: 350px;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: none;
}

.search-dropdown.active {
    display: block;
}

.search-result-item {
    padding: 12px 16px;
    cursor: pointer;
    border-bottom: 1px solid rgba(91, 192, 255, 0.1);
    transition: all 0.2s;
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background: #f1f6fb;
}

.search-result-formula {
    font-weight: 700;
    color: #29435c;
    font-family: monospace;
    font-size: 1rem;
}

.search-result-name {
    color: #29435c;
    font-size: 0.85rem;
    margin-left: 10px;
}

.search-no-results {
    padding: 16px;
    text-align: center;
    color: #29435c;
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    .search-container { width: 100%; margin-bottom: 8px; }
    #gasSearchInput { width: 100%; }
    #gasSearchInput:focus { width: 100%; }
}
<style>
    /* ... все существующие стили ... */

    /* ========= СТИЛИ ДЛЯ КНОПКИ ЧАТА ========= */
    .chat-toggle-btn {
        position: fixed;
        bottom: 30px;
        right: 30px;
        width: 60px;
        height: 60px;
        border-radius: 50%;
        background: #f1f6fb;
        border: none;
        cursor: pointer;
        z-index: 10000;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #29435c;
        font-size: 28px;
        transition: all 0.2s ease;
        box-shadow: none;
    }

    .chat-toggle-btn:hover {
        transform: scale(1.05);
        box-shadow: none;
    }

    .chat-window {
        position: fixed;
        bottom: 110px;
        right: 30px;
        width: 380px;
        height: 550px;
        background: #f1f6fb;
        border-radius: 24px;
        border: 1px solid rgba(42, 122, 255, 0.5);
        display: none;
        flex-direction: column;
        overflow: hidden;
        z-index: 10001;
        box-shadow: none;
    }

    .chat-window.open {
        display: flex;
    }