/* ===== XuanNiao Box 3D (turntable) ===== */
        .xn-stage {
            position: relative;
            width: 100%; height: 320px;
            display: flex; align-items: center; justify-content: center;
            perspective: 1200px;
            perspective-origin: 50% 46%;
        }
        .xn-float {
            transform-style: preserve-3d;
        }
        .xn-box {
            position: relative;
            width: 210px; height: 210px;
            transform-style: preserve-3d;
            /* spin + float are driven from JS (see "box turntable" below) so the
               motion cannot be silently frozen by a reduced-motion CSS override */
            transform: rotateX(-22deg) rotateY(-30deg);
        }
        .xn-face { position: absolute; }

        /* top / bottom : 210 x 210 */
        .xn-top, .xn-bottom {
            width: 210px; height: 210px; left: 0; top: 0;
            border-radius: 22px;
        }
        .xn-top {
            transform: rotateX(90deg) translateZ(18px);
            background:
                radial-gradient(115% 115% at 18% 12%, rgba(255,255,255,0.17) 0%, rgba(255,255,255,0.04) 34%, rgba(255,255,255,0) 62%),
                linear-gradient(135deg, #43474f 0%, #2d3138 46%, #1b1e24 100%);
            border: 1px solid rgba(255,255,255,0.09);
            display: flex; flex-direction: column;
            align-items: center; justify-content: center; gap: 9px;
            overflow: hidden;
        }
        .xn-top::before {
            content: '';
            position: absolute; left: 50%; top: 50%;
            width: 134px; height: 134px;
            margin: -67px 0 0 -67px;
            border-radius: 50%;
            border: 1px solid rgba(255,255,255,0.07);
            box-shadow: 0 0 0 16px rgba(255,255,255,0.014);
        }
        .xn-top::after {
            content: '';
            position: absolute; inset: 0;
            background: linear-gradient(100deg, transparent 32%, rgba(255,255,255,0.14) 46%, rgba(255,255,255,0.03) 54%, transparent 70%);
            background-size: 280% 100%;
            background-repeat: no-repeat;
            animation: xnSheen 7s ease-in-out infinite;
        }
        .xn-logo {
            position: relative; z-index: 1;
            filter: drop-shadow(0 2px 7px rgba(0,0,0,0.6));
        }
        .xn-wordmark {
            position: relative; z-index: 1;
            font-family: var(--font-display);
            font-size: 11px; font-weight: 600; letter-spacing: 5px;
            color: rgba(255,255,255,0.34);
            text-indent: 5px;
        }
        .xn-bottom {
            transform: rotateX(-90deg) translateZ(18px);
            background: linear-gradient(135deg, #171a1f 0%, #0d0f12 100%);
        }

        /* front / back / left / right : 210 x 36, vertically centred */
        .xn-front, .xn-back, .xn-left, .xn-right {
            width: 210px; height: 36px; left: 0; top: 87px;
            border-radius: 4px;
        }
        .xn-front {
            transform: translateZ(105px);
            background: linear-gradient(180deg, #40454e 0%, #2b2f36 40%, #171a1f 100%);
            border-top: 1px solid rgba(255,255,255,0.18);
            display: flex; align-items: center; justify-content: space-between;
            padding: 0 16px;
        }
        .xn-front-text {
            font-family: var(--font-display);
            font-size: 7px; font-weight: 600; letter-spacing: 2.4px;
            color: rgba(255,255,255,0.24);
        }
        .xn-led {
            width: 6px; height: 6px; border-radius: 50%;
            background: #8cc5ff;
            box-shadow: 0 0 6px 1px rgba(96,165,250,0.95), 0 0 18px 5px rgba(96,165,250,0.32);
            animation: xnLed 2.4s ease-in-out infinite;
        }
        .xn-back {
            transform: rotateY(180deg) translateZ(105px);
            background: linear-gradient(180deg, #23272e 0%, #13151a 100%);
            border-top: 1px solid rgba(255,255,255,0.07);
            display: flex; align-items: center; justify-content: center; gap: 11px;
        }
        .xn-left {
            transform: rotateY(-90deg) translateZ(105px);
            background: linear-gradient(180deg, #35393f 0%, #23262c 45%, #121418 100%);
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        .xn-right {
            transform: rotateY(90deg) translateZ(105px);
            background: linear-gradient(180deg, #2c3037 0%, #1e2127 45%, #101216 100%);
            border-top: 1px solid rgba(255,255,255,0.1);
            display: flex; align-items: center; justify-content: center; gap: 11px;
        }
        .xn-port {
            display: block; background: #06070a; border-radius: 1.5px;
            box-shadow: inset 0 1px 1.5px rgba(0,0,0,0.95), 0 1px 0 rgba(255,255,255,0.08);
        }
        .xn-port-hdmi { width: 22px; height: 7px; border-radius: 2px; }
        .xn-port-usb  { width: 13px; height: 6px; }
        .xn-port-lan  { width: 15px; height: 11px; }
        .xn-port-pwr  { width: 9px; height: 9px; border-radius: 50%; }

        .xn-shadow {
            position: absolute; left: 50%; bottom: 34px;
            width: 240px; height: 44px;
            transform: translateX(-50%);
            border-radius: 50%;
            background: radial-gradient(ellipse at center, rgba(15,23,42,0.36) 0%, rgba(15,23,42,0.17) 42%, rgba(15,23,42,0) 70%);
            filter: blur(7px);
            pointer-events: none;
        }

        @keyframes xnLed {
            0%, 100% { opacity: 1; }
            50%      { opacity: 0.3; }
        }
        @keyframes xnSheen {
            0%        { background-position: 175% 0; }
            55%, 100% { background-position: -75% 0; }
        }

        /* ===== Moonlight Box 3D (router) ===== */
        .mb-stage {
            position: relative;
            width: 100%; height: 360px;
            display: flex; align-items: center; justify-content: center;
            perspective: 1400px;
            perspective-origin: 50% 42%;
        }
        .mb-float {
            transform-style: preserve-3d;
        }
        .mb-router {
            position: relative;
            width: 260px; height: 180px;
            transform-style: preserve-3d;
            transform: rotateX(-24deg) rotateY(-35deg);
        }
        .mb-face { position: absolute; }
        
        /* top: 260 x 180 */
        .mb-top {
            width: 260px; height: 180px; left: 0; top: 0;
            border-radius: 12px;
            transform: rotateX(90deg) translateZ(22px);
            background:
                radial-gradient(ellipse 80% 60% at 30% 30%, rgba(96,165,250,0.15) 0%, transparent 50%),
                linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            border: 1px solid rgba(96,165,250,0.2);
            display: flex; flex-direction: column;
            align-items: center; justify-content: center; gap: 12px;
            overflow: hidden;
        }
        .mb-top::before {
            content: '';
            position: absolute; left: 50%; top: 50%;
            width: 160px; height: 100px;
            margin: -50px 0 0 -80px;
            border-radius: 50%;
            border: 1px solid rgba(96,165,250,0.1);
            box-shadow: 0 0 0 20px rgba(96,165,250,0.03);
        }
        .mb-top::after {
            content: '';
            position: absolute; inset: 0;
            background: linear-gradient(100deg, transparent 35%, rgba(96,165,250,0.12) 48%, rgba(96,165,250,0.04) 52%, transparent 65%);
            background-size: 280% 100%;
            background-repeat: no-repeat;
            animation: mbSheen 8s ease-in-out infinite;
        }
        @keyframes mbSheen {
            0%        { background-position: 175% 0; }
            55%, 100% { background-position: -75% 0; }
        }
        
        .mb-logo {
            position: relative; z-index: 2;
            display: flex; align-items: center; gap: 10px;
        }
        .mb-logo-icon {
            width: 32px; height: 32px;
            background: linear-gradient(135deg, #60a5fa, #3b82f6);
            border-radius: 8px;
            display: flex; align-items: center; justify-content: center;
            box-shadow: 0 2px 12px rgba(59,130,246,0.4);
        }
        .mb-logo-icon svg { width: 20px; height: 20px; }
        .mb-logo-text {
            color: #e2e8f0;
            font-family: var(--font-display);
            font-size: 1rem; font-weight: 700;
            letter-spacing: 0.5px;
        }
        
        /* bottom: 260 x 180 */
        .mb-bottom {
            width: 260px; height: 180px; left: 0; top: 0;
            border-radius: 12px;
            transform: rotateX(-90deg) translateZ(22px);
            background: linear-gradient(135deg, #0f172a 0%, #020617 100%);
        }
        
        /* front/back/left/right: 260 x 44 (height of router) */
        .mb-front, .mb-back, .mb-left, .mb-right {
            width: 260px; height: 44px; left: 0; top: 68px;
            border-radius: 6px;
        }
        .mb-front {
            transform: translateZ(90px);
            background: linear-gradient(180deg, #334155 0%, #1e293b 50%, #0f172a 100%);
            border-top: 1px solid rgba(96,165,250,0.25);
            display: flex; align-items: center; justify-content: space-between;
            padding: 0 20px;
        }
        .mb-back {
            transform: rotateY(180deg) translateZ(90px);
            background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
            border-top: 1px solid rgba(96,165,250,0.15);
            display: flex; align-items: center; justify-content: space-around;
            padding: 0 16px;
        }
        .mb-left {
            transform: rotateY(-90deg) translateZ(90px);
            background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
            border-top: 1px solid rgba(96,165,250,0.15);
        }
        .mb-right {
            transform: rotateY(90deg) translateZ(90px);
            background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
            border-top: 1px solid rgba(96,165,250,0.15);
            display: flex; align-items: center; justify-content: center;
            gap: 12px;
        }
        
        /* LEDs on front */
        .mb-led-group {
            display: flex; gap: 8px;
        }
        .mb-led {
            width: 5px; height: 5px;
            border-radius: 50%;
            background: #60a5fa;
            box-shadow: 0 0 6px 1px rgba(96,165,250,0.9), 0 0 16px 4px rgba(96,165,250,0.3);
            animation: mbLed 2s ease-in-out infinite;
        }
        .mb-led.green {
            background: #34d399;
            box-shadow: 0 0 6px 1px rgba(52,211,153,0.9), 0 0 16px 4px rgba(52,211,153,0.3);
            animation-delay: 0.3s;
        }
        .mb-led.purple {
            background: #a78bfa;
            box-shadow: 0 0 6px 1px rgba(167,139,250,0.9), 0 0 16px 4px rgba(167,139,250,0.3);
            animation-delay: 0.6s;
        }
        @keyframes mbLed {
            0%, 100% { opacity: 1; }
            50%      { opacity: 0.4; }
        }
        .mb-front-text {
            color: #cbd5e1;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 1.2px;
        }
        
        /* ports on back */
        .mb-port {
            display: block;
            background: #020617;
            border-radius: 2px;
            box-shadow: inset 0 1px 2px rgba(0,0,0,0.9), 0 1px 0 rgba(255,255,255,0.1);
        }
        .mb-port-wan {
            width: 18px; height: 13px;
            border: 2px solid #fbbf24;
        }
        .mb-port-lan { width: 16px; height: 12px; }
        .mb-port-usb { width: 14px; height: 7px; }
        .mb-port-pwr { width: 10px; height: 10px; border-radius: 50%; }
        
        /* antennas on top */
        .mb-antenna {
            position: absolute;
            width: 8px;
            background: linear-gradient(180deg, #475569 0%, #1e293b 100%);
            border-radius: 4px 4px 2px 2px;
            transform-style: preserve-3d;
        }
        .mb-antenna::before {
            content: '';
            position: absolute;
            top: -8px; left: 50%;
            width: 6px; height: 8px;
            margin-left: -3px;
            background: #0f172a;
            border-radius: 3px 3px 0 0;
        }
        .mb-antenna.left {
            left: 30px; top: -50px;
            height: 50px;
            transform: rotateY(-90deg) rotateZ(-15deg);
        }
        .mb-antenna.right {
            right: 30px; top: -50px;
            height: 50px;
            transform: rotateY(-90deg) rotateZ(15deg);
        }
        .mb-antenna.center {
            left: 50%; top: -60px;
            height: 60px;
            margin-left: -4px;
            transform: rotateY(-90deg);
        }
        
        .mb-shadow {
            position: absolute; left: 50%; bottom: 40px;
            width: 280px; height: 50px;
            transform: translateX(-50%);
            border-radius: 50%;
            background: radial-gradient(ellipse at center, rgba(15,23,42,0.4) 0%, rgba(15,23,42,0.2) 45%, rgba(15,23,42,0) 75%);
            filter: blur(8px);
            pointer-events: none;
        }

        @media (prefers-reduced-motion: reduce) {
            .xn-led        { animation: none; opacity: 0.85; }
            .xn-top::after { animation: none; opacity: 0; }
            .mb-top::after { animation: none; opacity: 0; }
            .mb-led        { animation: none; opacity: 0.85; }
        }


.gc-products{max-width:1200px;margin:0 auto;padding:80px 24px;color:#e5edf5}.gc-product-heading{text-align:center;margin-bottom:44px}.gc-product-heading>span{font-size:11px;letter-spacing:3px;color:#b8f06a}.gc-product-heading h2{font-size:clamp(28px,4vw,42px);font-weight:700;margin:14px 0}.gc-product-heading p{color:#a6b9cb;line-height:1.8}.gc-product-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}.gc-product-card{background:#0d243b;border:1px solid #24415b;border-radius:24px;overflow:hidden}.gc-product-visual{position:relative;background:radial-gradient(ellipse at center,#203e5b 0%,#102940 65%,#0d243b 100%);height:360px;overflow:hidden}.gc-product-status{position:absolute;left:24px;top:22px;color:#b8f06a;border:1px solid #486344;background:#19382f;border-radius:99px;padding:5px 12px;font-size:12px;z-index:2}.gc-concept{position:absolute;bottom:16px;right:24px;color:#809ab0;font-size:10px;letter-spacing:1px}.gc-product-copy{padding:28px 32px 32px}.gc-product-label{font-size:12px;letter-spacing:1px;color:#a4cfff}.gc-product-copy h3{font-size:30px;font-weight:700;margin:9px 0 14px}.gc-product-copy p{font-size:14px;color:#a6b9cb;line-height:1.9;min-height:54px}.gc-product-copy ul{display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:22px 0;list-style:none}.gc-product-copy li{padding:6px 10px;border-radius:6px;background:#18354d;color:#c4d4e2;font-size:11px}.gc-product-note{border-top:1px solid #24415b;padding-top:17px;font-size:12px;color:#8ea7bc;line-height:1.7}.gc-products .xn-stage,.gc-products .mb-stage{height:360px}.gc-products .xn-box{animation:gcBoxTurn 24s linear infinite}.gc-products .mb-router{animation:gcWifiTurn 28s linear infinite}.gc-products .xn-wordmark{color:#b8f06a;letter-spacing:3px}.gc-products .mb-logo-text{color:#b8f06a}.gc-products .xn-front-text,.gc-products .mb-front-text{color:#a6b9cb}.gc-products .xn-shadow,.gc-products .mb-shadow{background:radial-gradient(ellipse,#0009,transparent 70%)}@keyframes gcBoxTurn{from{transform:rotateX(-22deg) rotateY(-30deg)}to{transform:rotateX(-22deg) rotateY(330deg)}}@keyframes gcWifiTurn{from{transform:rotateX(-24deg) rotateY(-35deg)}to{transform:rotateX(-24deg) rotateY(325deg)}}@media(max-width:767px){.gc-products{padding:56px 20px}.gc-product-grid{grid-template-columns:1fr}.gc-product-copy{padding:24px}.gc-product-visual,.gc-products .xn-stage,.gc-products .mb-stage{height:320px}.gc-products .mb-float{transform:scale(.88)}.gc-product-copy p{min-height:0}}@media(prefers-reduced-motion:reduce){.gc-products *,.gc-products *::after{animation:none!important}}