.ac-twin-section{position:relative;overflow:hidden;padding:104px 0;background:radial-gradient(circle at 8% 15%,#22d3ee24,transparent 27%),radial-gradient(circle at 92% 80%,#14b8a61f,transparent 30%),linear-gradient(145deg,#04131f,#071f33 48%,#0a304a);color:#fff;isolation:isolate}.ac-twin-section:before{content:"";position:absolute;z-index:-1;inset:0;background-image:linear-gradient(#ffffff07 1px,transparent 1px),linear-gradient(90deg,#ffffff07 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(#000,transparent 85%)}.ac-twin-heading{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:70px;align-items:end;margin-bottom:36px}.ac-twin-heading .eyebrow{margin-bottom:12px}.ac-twin-heading h2{max-width:820px;color:#fff;font-size:clamp(33px,4.2vw,56px);line-height:1.15}.ac-twin-heading>p{margin:0;color:#bfd2df;font-size:15px;line-height:2}.ac-twin-shell{overflow:hidden;display:grid;grid-template-columns:minmax(0,1.52fr) minmax(330px,.68fr);min-height:780px;border:1px solid #ffffff24;border-radius:32px;background:#030f19b8;box-shadow:0 42px 110px #00000057;backdrop-filter:blur(18px)}.ac-twin-viewer{position:relative;min-width:0;border-left:1px solid #ffffff1c;background:radial-gradient(circle at 48% 42%,#19a0ca29,transparent 37%),linear-gradient(#0a2e45e6,#03101bfa)}.ac-twin-viewer:after{content:"";position:absolute;z-index:0;right:0;left:0;bottom:0;height:42%;background:linear-gradient(150deg,transparent 49.8%,#67e8f914 50%,transparent 50.2%);background-size:34px 34px;clip-path:polygon(0 28%,100% 0,100% 100%,0 100%);pointer-events:none}.ac-twin-topbar{position:relative;z-index:6;min-height:61px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 22px;border-bottom:1px solid #ffffff1a;background:#020d169e}.ac-twin-topbar>div{display:flex;align-items:center;gap:9px;color:#8ca9ba;font:800 10px/1 Arial;letter-spacing:.15em}.ac-twin-topbar i{width:8px;height:8px;border-radius:50%;background:#34d399;box-shadow:0 0 0 5px #34d3991a}.ac-twin-topbar strong{padding:7px 11px;border:1px solid #34d39933;border-radius:999px;background:#34d39914;color:#7ee7bc;font-size:10px}.ac-twin-stage{position:absolute;z-index:1;top:61px;right:0;bottom:0;left:0;overflow:hidden;touch-action:none}.ac-twin-canvas,.ac-twin-canvas canvas{position:absolute;inset:0;width:100%;height:100%;display:block}.ac-twin-canvas canvas{outline:0;cursor:grab}.ac-twin-canvas canvas:active{cursor:grabbing}.ac-twin-canvas canvas:focus-visible{outline:2px solid #67e8f9;outline-offset:-4px}.ac-twin-poster{position:absolute;z-index:9;inset:0;overflow:hidden;display:grid;place-items:center;background:#061a2a;transition:.45s}.ac-twin-poster:after{content:"";position:absolute;inset:0;background:linear-gradient(#03111cc7,#03111cf0)}.ac-twin-poster img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.7)}.ac-twin-poster>div{position:relative;z-index:2;display:grid;justify-items:center;gap:8px;text-align:center}.ac-twin-poster strong{font-size:15px}.ac-twin-poster small{color:#8eabba;font-size:10px}.ac-twin-spinner{width:38px;height:38px;margin-bottom:8px;border:2px solid #ffffff24;border-top-color:#22d3ee;border-radius:50%;animation:ac-twin-spin .85s linear infinite}.ac-twin-section.is-ready .ac-twin-poster{opacity:0;visibility:hidden}.ac-twin-section.is-fallback .ac-twin-poster{opacity:1;visibility:visible}.ac-twin-section.is-fallback .ac-twin-spinner{display:none}.ac-twin-labels{position:absolute;z-index:4;inset:0;pointer-events:none}.ac-twin-label{position:absolute;display:flex;align-items:center;gap:7px;white-space:nowrap;transform:translate(-50%,-50%);transition:.2s}.ac-twin-label:before{content:"";width:7px;height:7px;border:2px solid #052438;border-radius:50%;background:#67e8f9;box-shadow:0 0 0 4px #67e8f921}.ac-twin-label span{padding:5px 8px;border:1px solid #67e8f938;border-radius:8px;background:#03111cd6;color:#dff9ff;font-size:9px;font-weight:850;box-shadow:0 6px 16px #0003}.ac-twin-label.is-active:before{background:#fbbf24;box-shadow:0 0 0 6px #fbbf2429}.ac-twin-label.is-active span{border-color:#fbbf2485;color:#fff2bf}.labels-hidden .ac-twin-labels{display:none}.ac-twin-toolbar{position:absolute;z-index:6;top:19px;right:18px;display:flex;flex-wrap:wrap;gap:7px}.ac-twin-toolbar button{min-height:38px;display:flex;align-items:center;gap:7px;padding:0 11px;border:1px solid #ffffff21;border-radius:11px;background:#03111cc7;color:#c8dae5;font-size:10px;font-weight:850;cursor:pointer;backdrop-filter:blur(10px);transition:.2s}.ac-twin-toolbar button:hover,.ac-twin-toolbar button[aria-pressed=true]{border-color:#67e8f96b;background:#0e749059;color:#fff}.ac-twin-toolbar button span{color:#67e8f9;font:900 15px/1 Arial}.ac-twin-help{position:absolute;z-index:5;right:19px;bottom:18px;display:flex;gap:7px}.ac-twin-help span{padding:6px 9px;border:1px solid #ffffff17;border-radius:999px;background:#03111cb8;color:#8da7b7;font-size:8px;font-weight:800}.ac-twin-panel{position:relative;z-index:3;padding:19px;background:linear-gradient(#082234f7,#030f19fc)}.ac-twin-scenarios{display:grid;grid-template-columns:repeat(2,1fr);gap:7px;margin-bottom:15px}.ac-twin-scenarios button{min-height:50px;display:flex;align-items:center;gap:9px;padding:8px 10px;border:1px solid #ffffff17;border-radius:12px;background:#ffffff09;color:#a9bfcc;text-align:right;font-size:10px;font-weight:850;cursor:pointer;transition:.2s}.ac-twin-scenarios button i{width:8px;height:8px;border-radius:50%;background:#4f6675}.ac-twin-scenarios button:hover{border-color:#67e8f947;color:#fff}.ac-twin-scenarios button[aria-selected=true]{border-color:#67e8f961;background:linear-gradient(135deg,#0ea5e933,#14b8a614);color:#fff}.ac-twin-scenarios button[aria-selected=true] i{background:#67e8f9;box-shadow:0 0 0 5px #67e8f91a}.ac-twin-readout{padding:22px;border:1px solid #ffffff1a;border-radius:18px;background:#ffffff0a}.ac-twin-readout-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.ac-twin-readout-head span{color:#5bc8e7;font:900 9px/1 Arial}.ac-twin-readout-head em{padding:5px 7px;border-radius:7px;background:#34d39917;color:#78deb8;font-size:8px;font-style:normal;font-weight:900}.ac-twin-readout h3{margin:19px 0 9px;color:#fff;font-size:20px;line-height:1.4}.ac-twin-readout>p{min-height:72px;margin:0;color:#9eb5c3;font-size:11px;line-height:1.85}.ac-twin-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin:19px 0}.ac-twin-metrics article{min-width:0;padding:10px 8px;border:1px solid #ffffff12;border-radius:10px;background:#020e1773}.ac-twin-metrics span{display:block;overflow:hidden;color:#718d9e;font-size:7px;font-weight:800;white-space:nowrap;text-overflow:ellipsis}.ac-twin-metrics strong{display:inline-block;margin-top:5px;color:#fff;font:900 17px/1 Arial}.ac-twin-metrics small{margin-right:3px;color:#6bd9ee;font:700 7px/1 Arial}.ac-twin-metrics article>b{height:3px;display:block;overflow:hidden;margin-top:8px;border-radius:4px;background:#ffffff14}.ac-twin-metrics article>b i{width:70%;height:100%;display:block;border-radius:inherit;background:linear-gradient(90deg,#14b8a6,#22d3ee);transition:width .5s}.ac-twin-service-link{display:flex;align-items:center;justify-content:space-between;min-height:43px;padding:0 13px;border-radius:11px;background:linear-gradient(135deg,#0ea5e9,#0e7490);color:#fff;font-size:11px;font-weight:900}.ac-twin-service-link b{transition:.2s}.ac-twin-service-link:hover b{transform:translateX(-4px)}.ac-twin-parts{display:grid;grid-template-columns:repeat(2,1fr);gap:7px;margin-top:15px}.ac-twin-parts button{min-height:60px;display:grid;grid-template-columns:28px 1fr;grid-template-rows:auto auto;column-gap:7px;align-items:center;padding:8px;border:1px solid #ffffff13;border-radius:11px;background:#ffffff06;color:#d2e0e8;text-align:right;cursor:pointer;transition:.2s}.ac-twin-parts button>span{grid-row:1/3;width:26px;height:26px;display:grid;place-items:center;border-radius:8px;background:#22d3ee14;color:#46c8e9;font:900 8px Arial}.ac-twin-parts b{align-self:end;font-size:9px}.ac-twin-parts small{align-self:start;color:#6f8b9b;font-size:7px}.ac-twin-parts button:hover,.ac-twin-parts button.is-active{border-color:#fbbf245c;background:#fbbf2411}.ac-twin-parts button.is-active>span{background:#fbbf24;color:#102334}.ac-twin-seo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}.ac-twin-seo-grid article{min-height:235px;display:flex;flex-direction:column;padding:23px;border:1px solid #ffffff1a;border-radius:19px;background:#ffffff0b}.ac-twin-seo-grid article>span{color:#49c8e8;font:900 9px/1 Arial}.ac-twin-seo-grid h3{margin:20px 0 9px;color:#fff;font-size:15px;line-height:1.55}.ac-twin-seo-grid p{margin:0;color:#91a8b7;font-size:10px;line-height:1.8}.ac-twin-seo-grid a{margin-top:auto;padding-top:17px;color:#67e8f9;font-size:10px;font-weight:900}.ac-twin-seo-grid .ac-twin-book{border-color:#34d3993d;background:linear-gradient(145deg,#10b98129,#ffffff09)}.ac-twin-book a{color:#78edba}.ac-twin-noscript{margin-top:18px;padding:18px;border-radius:18px;background:#fff;color:#071b2f}.ac-twin-noscript img{max-height:420px;width:100%;object-fit:cover;border-radius:13px}.ac-twin-noscript a{color:#087da9;font-weight:900}@keyframes ac-twin-spin{to{transform:rotate(1turn)}}@media(max-width:1120px){.ac-twin-shell{grid-template-columns:1fr;min-height:auto}.ac-twin-viewer{min-height:690px;border-left:0;border-bottom:1px solid #ffffff1c}.ac-twin-stage{top:61px}.ac-twin-panel{display:grid;grid-template-columns:.7fr 1.3fr;gap:15px}.ac-twin-scenarios{align-content:start;margin:0}.ac-twin-parts{grid-column:1/-1;grid-template-columns:repeat(3,1fr);margin-top:0}.ac-twin-seo-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.ac-twin-section{padding:72px 0}.ac-twin-heading{grid-template-columns:1fr;gap:18px;margin-bottom:27px}.ac-twin-heading h2{font-size:32px}.ac-twin-heading>p{font-size:13px}.ac-twin-shell{margin-inline:-6px;border-radius:23px}.ac-twin-viewer{min-height:570px}.ac-twin-topbar{padding:0 14px}.ac-twin-topbar>div span{font-size:8px}.ac-twin-toolbar{top:12px;right:10px;left:10px}.ac-twin-toolbar button{min-height:35px;padding:0 9px;font-size:8px}.ac-twin-help{right:10px;bottom:10px}.ac-twin-help span{font-size:7px}.ac-twin-panel{display:block;padding:13px}.ac-twin-scenarios{grid-template-columns:repeat(3,1fr);margin-bottom:12px}.ac-twin-scenarios button{min-height:46px;justify-content:center;padding:7px 5px}.ac-twin-scenarios button i{display:none}.ac-twin-readout{padding:18px}.ac-twin-readout>p{min-height:auto}.ac-twin-parts{grid-template-columns:repeat(2,1fr);margin-top:12px}.ac-twin-seo-grid{grid-template-columns:1fr}.ac-twin-seo-grid article{min-height:190px}.ac-twin-label span{font-size:7px}.ac-twin-label:before{width:5px;height:5px}.ac-twin-metrics strong{font-size:15px}}@media(max-width:430px){.ac-twin-viewer{min-height:510px}.ac-twin-toolbar button{font-size:0;width:38px;justify-content:center;padding:0}.ac-twin-toolbar button span{font-size:15px}.ac-twin-help span:nth-child(2){display:none}.ac-twin-scenarios{grid-template-columns:repeat(2,1fr)}.ac-twin-parts button{grid-template-columns:24px 1fr}.ac-twin-labels{display:none}}@media(prefers-reduced-motion:reduce){.ac-twin-spinner{animation:none}.ac-twin-poster,.ac-twin-metrics article>b i{transition:none}}
/* Multi-system HVAC laboratory */
.ac-twin-sprite{position:absolute;width:0;height:0;overflow:hidden}
.ac-twin-sr{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.ac-twin-typebar{position:relative;z-index:8;display:flex;align-items:center;justify-content:space-between;gap:22px;margin-bottom:14px;padding:13px 15px 13px 20px;border:1px solid #ffffff1c;border-radius:18px;background:linear-gradient(135deg,#061a2bd9,#0b3249c9);box-shadow:0 18px 44px #0003;backdrop-filter:blur(16px)}
.ac-twin-typebar>div:first-child{display:flex;align-items:center;gap:10px;min-width:190px}
.ac-twin-typebar>div:first-child span{color:#6f91a5;font-size:9px;font-weight:850}
.ac-twin-typebar>div:first-child strong{color:#fff;font-size:13px}
.ac-twin-types{display:flex;align-items:center;justify-content:flex-end;gap:8px}
.ac-twin-types button,.ac-twin-toolbar button,.ac-twin-scenarios button{position:relative}
.ac-twin-types button{width:48px;height:48px;display:grid;place-items:center;padding:0;border:1px solid #ffffff1b;border-radius:14px;background:#ffffff08;color:#91acbc;cursor:pointer;transition:transform .2s,border-color .2s,background .2s,color .2s,box-shadow .2s}
.ac-twin-types button svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}
.ac-twin-types button:hover{transform:translateY(-2px);border-color:#67e8f958;color:#d9faff}
.ac-twin-types button[aria-selected=true]{border-color:#56e1f582;background:linear-gradient(145deg,#0ea5e93d,#14b8a62e);color:#72e7f8;box-shadow:inset 0 0 0 1px #67e8f916,0 9px 24px #07131f66}
.ac-twin-types button[aria-selected=true]:before{content:"";position:absolute;right:50%;bottom:-5px;width:13px;height:3px;border-radius:5px;background:#67e8f9;transform:translateX(50%);box-shadow:0 0 12px #67e8f9}
.ac-twin-types button[data-tip]:after,.ac-twin-toolbar button[data-tip]:after,.ac-twin-scenarios button[data-tip]:after{content:attr(data-tip);position:absolute;z-index:20;right:50%;bottom:calc(100% + 9px);width:max-content;max-width:150px;padding:7px 9px;border:1px solid #67e8f938;border-radius:8px;background:#020d16f2;color:#e7fbff;font:800 9px/1.25 Tahoma,Arial,sans-serif;white-space:nowrap;box-shadow:0 8px 22px #0007;opacity:0;visibility:hidden;pointer-events:none;transform:translate(50%,5px);transition:.18s}
.ac-twin-types button[data-tip]:after{top:calc(100% + 9px);bottom:auto}
.ac-twin-types button:hover:after,.ac-twin-types button:focus-visible:after,.ac-twin-toolbar button:hover:after,.ac-twin-toolbar button:focus-visible:after,.ac-twin-scenarios button:hover:after,.ac-twin-scenarios button:focus-visible:after{opacity:1;visibility:visible;transform:translate(50%,0)}
.ac-twin-toolbar{gap:8px}
.ac-twin-toolbar button{width:42px;height:42px;min-height:42px;justify-content:center;padding:0;border-radius:12px}
.ac-twin-toolbar button svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.85;stroke-linecap:round;stroke-linejoin:round;color:#70e6f7}
.ac-twin-toolbar button[aria-pressed=true]{box-shadow:inset 0 0 0 1px #67e8f921}
.ac-twin-scenarios{grid-template-columns:repeat(3,1fr);gap:8px}
.ac-twin-scenarios button{min-height:50px;justify-content:center;padding:0;border-radius:13px}
.ac-twin-scenarios button svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.ac-twin-scenarios button[aria-selected=true]{color:#76eafb;box-shadow:inset 0 0 0 1px #67e8f91c}
.ac-twin-scenarios button[hidden]{display:none}
.ac-twin-parts button>span{width:30px;height:30px}
.ac-twin-parts button>span svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.ac-twin-parts button.is-active>span svg{color:#102334}
.ac-twin-type-pulse{animation:ac-type-pulse .42s ease}
@keyframes ac-type-pulse{0%{opacity:.35;transform:scale(.985)}100%{opacity:1;transform:scale(1)}}
@media(max-width:1120px){
.ac-twin-typebar{padding:12px 14px}
.ac-twin-types{flex-wrap:wrap}
}
@media(max-width:760px){
.ac-twin-typebar{align-items:stretch;flex-direction:column;gap:11px;margin-bottom:12px;padding:12px}
.ac-twin-typebar>div:first-child{min-width:0;justify-content:space-between}
.ac-twin-types{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}
.ac-twin-types button{width:100%;height:45px;border-radius:12px}
.ac-twin-types button svg{width:21px;height:21px}
.ac-twin-types button[data-tip]:after{display:none}
.ac-twin-toolbar button{width:38px;height:38px;min-height:38px}
.ac-twin-scenarios{grid-template-columns:repeat(6,1fr)}
.ac-twin-scenarios button{min-width:0;min-height:45px}
.ac-twin-scenarios button svg{width:19px;height:19px}
.ac-twin-scenarios button[data-tip]:after{right:0;transform:none}
.ac-twin-scenarios button:hover:after,.ac-twin-scenarios button:focus-visible:after{transform:none}
}
@media(max-width:430px){
.ac-twin-types{gap:5px}
.ac-twin-types button{height:42px}
.ac-twin-types button svg{width:19px;height:19px}
.ac-twin-toolbar button{font-size:initial}
.ac-twin-scenarios{gap:5px}
.ac-twin-scenarios button{min-height:42px}
}
/* Precision exploded assembly */
.ac-twin-disassembly{margin:0 0 15px;padding:14px;border:1px solid #ffffff17;border-radius:16px;background:linear-gradient(145deg,#ffffff0a,#03111c78);box-shadow:inset 0 1px #ffffff08}
.ac-twin-disassembly-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.ac-twin-disassembly-head>div{display:grid;gap:4px}
.ac-twin-disassembly-head span{color:#eefbff;font-size:10px;font-weight:900}
.ac-twin-disassembly-head small{color:#6f8d9e;font-size:7px;font-weight:700}
.ac-twin-disassembly-head>strong{min-width:44px;padding:7px 8px;border:1px solid #67e8f935;border-radius:9px;background:#0e74902d;color:#73e6f7;text-align:center;font:900 11px/1 Arial}
.ac-twin-explode-control{display:grid;grid-template-columns:36px 1fr 36px;gap:10px;align-items:center}
.ac-twin-explode-control button,.ac-twin-explode-presets button{position:relative;display:grid;place-items:center;padding:0;border:1px solid #ffffff18;background:#03111ca6;color:#83a4b5;cursor:pointer;transition:.2s}
.ac-twin-explode-control button{width:36px;height:36px;border-radius:10px}
.ac-twin-explode-control svg,.ac-twin-explode-presets svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.ac-twin-explode-control button:hover,.ac-twin-explode-presets button:hover,.ac-twin-explode-presets button[aria-pressed=true]{border-color:#67e8f96b;background:#0e749052;color:#76eafb}
.ac-twin-explode-control input[type=range]{width:100%;height:20px;margin:0;appearance:none;background:transparent;cursor:ew-resize}
.ac-twin-explode-control input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:999px;background:linear-gradient(90deg,#22d3ee var(--explode-progress,0%),#ffffff18 var(--explode-progress,0%))}
.ac-twin-explode-control input[type=range]::-webkit-slider-thumb{width:16px;height:16px;margin-top:-6px;appearance:none;border:3px solid #083047;border-radius:50%;background:#7cecff;box-shadow:0 0 0 3px #67e8f929,0 3px 10px #0008}
.ac-twin-explode-control input[type=range]::-moz-range-track{height:4px;border:0;border-radius:999px;background:#ffffff18}
.ac-twin-explode-control input[type=range]::-moz-range-progress{height:4px;border-radius:999px;background:#22d3ee}
.ac-twin-explode-control input[type=range]::-moz-range-thumb{width:12px;height:12px;border:3px solid #083047;border-radius:50%;background:#7cecff}
.ac-twin-explode-presets{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:10px}
.ac-twin-explode-presets button{height:35px;border-radius:9px}
.ac-twin-disassembly button[data-tip]:after{content:attr(data-tip);position:absolute;z-index:25;right:50%;bottom:calc(100% + 8px);width:max-content;max-width:155px;padding:7px 9px;border:1px solid #67e8f938;border-radius:8px;background:#020d16f2;color:#e7fbff;font:800 8px/1.3 Tahoma,Arial,sans-serif;white-space:nowrap;box-shadow:0 8px 22px #0007;opacity:0;visibility:hidden;pointer-events:none;transform:translate(50%,5px);transition:.18s}
.ac-twin-disassembly button[data-tip]:hover:after,.ac-twin-disassembly button[data-tip]:focus-visible:after{opacity:1;visibility:visible;transform:translate(50%,0)}
.ac-twin-toolbar button[data-twin-action=isolate]:disabled{opacity:.38;cursor:not-allowed}
.ac-twin-section.is-exploded .ac-twin-topbar>div i{background:#fbbf24;box-shadow:0 0 0 5px #fbbf241c}
.ac-twin-section.is-isolated .ac-twin-stage{box-shadow:inset 0 0 70px #22d3ee12}
@media(min-width:761px) and (max-width:1120px){
.ac-twin-scenarios{grid-column:1;grid-row:1}
.ac-twin-disassembly{grid-column:1;grid-row:2;margin:0}
.ac-twin-readout{grid-column:2;grid-row:1/3}
.ac-twin-parts{grid-column:1/-1}
}
@media(max-width:760px){
.ac-twin-disassembly{margin-bottom:12px;padding:13px}
.ac-twin-disassembly-head span{font-size:9px}
.ac-twin-explode-control{grid-template-columns:34px 1fr 34px;gap:8px}
.ac-twin-explode-control button{width:34px;height:34px}
.ac-twin-disassembly button[data-tip]:after{display:none}
}