.hero{position:relative;overflow-x:clip;max-width:100%;padding-top:22px;padding-bottom:28px;background:linear-gradient(180deg,var(--bg-fog),var(--bg) 78%)}
.hero::before{content:"";position:absolute;inset:0 0 38% 44%;background:radial-gradient(closest-side at 70% 36%,var(--aqua-a28),var(--transparent) 78%);opacity:.55;pointer-events:none}
.hero::after{content:"";position:absolute;inset:auto 0 0;height:40%;background:radial-gradient(60% 70% at 50% 100%,var(--accent-a06),var(--transparent) 70%);pointer-events:none}
.hero-copy{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;text-align:center;width:min(880px,100% - 32px);margin-inline:auto}
.eyebrow{display:inline-flex;align-items:center;gap:10px;min-height:30px;padding:0 14px 0 4px;border:1px solid var(--border);border-radius:var(--r-pill);background:var(--glass);box-shadow:var(--hl),var(--shadow-tile);font-size:13px;color:var(--text-muted)}
.eyebrow-tag{display:inline-flex;align-items:center;min-height:22px;padding:0 9px;border-radius:var(--r-pill);background:var(--accent-a10);color:var(--accent-dark);font:700 10.5px/1.5 var(--font-mono);letter-spacing:.08em;text-transform:uppercase}
.hero-title{margin-top:20px;font-size:var(--display-size);line-height:1.1;letter-spacing:-.02em;font-weight:900}
.h1-key{background:linear-gradient(100deg,var(--accent-dark),var(--accent) 58%,var(--accent-2) 125%);background-clip:text;-webkit-background-clip:text;color:var(--transparent)}
.lead{margin-top:20px;font-size:18px;line-height:1.6;color:var(--text-muted)}
.lead strong{color:var(--text);font-weight:700}
.trust{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px;margin-top:14px;font-size:14px;color:var(--text-muted)}
.trust li{display:inline-flex;align-items:center;gap:6px;line-height:22px}
.trust li::before{content:"✓";display:inline-flex;align-items:center;justify-content:center;width:15px;height:15px;flex-shrink:0;border-radius:var(--r-round);background:var(--accent-a10);color:var(--accent-dark);font-size:11px;font-weight:800}
.shards{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:clip}
.shard{position:absolute;width:12px;height:2px;border-radius:var(--r-xs);background:var(--accent);opacity:.42;animation:shard-drift 9s ease-in-out infinite alternate}
.shard:nth-child(3n){width:15px;opacity:.28;background:var(--accent-2)}
.shard:nth-child(4n){opacity:.7}
.shard:nth-child(2n){animation-duration:12s;animation-delay:-4s}
.shard:nth-child(1){left:calc(50% - 60px);top:11px;rotate:20deg}
.shard:nth-child(2){left:calc(50% + 84px);top:12px;rotate:-15deg}
.shard:nth-child(3){left:calc(50% - 250px);top:22px;rotate:35deg}
.shard:nth-child(4){left:calc(50% + 300px);top:18px;rotate:-30deg}
.shard:nth-child(5){left:calc(50% - 400px);top:40px;rotate:50deg}
.shard:nth-child(6){left:calc(50% + 430px);top:46px;rotate:-45deg}
.shard:nth-child(7){left:calc(50% + 240px);top:52px;rotate:10deg}
.shard:nth-child(8){left:calc(50% - 300px);top:46px;rotate:15deg}
.shard:nth-child(9){left:calc(50% - 420px);top:92px;rotate:60deg}
.shard:nth-child(10){left:calc(50% - 500px);top:124px;rotate:-20deg}
.shard:nth-child(11){left:calc(50% - 384px);top:152px;rotate:30deg}
.shard:nth-child(12){left:calc(50% - 560px);top:182px;rotate:40deg}
.shard:nth-child(13){left:calc(50% - 460px);top:212px;rotate:-55deg}
.shard:nth-child(14){left:calc(50% - 600px);top:252px;rotate:25deg}
.shard:nth-child(15){left:calc(50% - 470px);top:300px;rotate:70deg}
.shard:nth-child(16){left:calc(50% - 540px);top:334px;rotate:-10deg}
.shard:nth-child(17){left:calc(50% - 372px);top:198px;rotate:30deg}
.shard:nth-child(18){left:calc(50% - 620px);top:100px;rotate:-35deg}
.shard:nth-child(19){left:calc(50% + 410px);top:82px;rotate:-60deg}
.shard:nth-child(20){left:calc(50% + 510px);top:112px;rotate:25deg}
.shard:nth-child(21){left:calc(50% + 372px);top:142px;rotate:-15deg}
.shard:nth-child(22){left:calc(50% + 580px);top:162px;rotate:50deg}
.shard:nth-child(23){left:calc(50% + 450px);top:202px;rotate:-40deg}
.shard:nth-child(24){left:calc(50% + 620px);top:232px;rotate:15deg}
.shard:nth-child(25){left:calc(50% + 500px);top:262px;rotate:65deg}
.shard:nth-child(26){left:calc(50% + 452px);top:320px;rotate:-25deg}
.shard:nth-child(27){left:calc(50% + 560px);top:300px;rotate:35deg}
.shard:nth-child(28){left:calc(50% + 380px);top:214px;rotate:80deg}
.shard:nth-child(29){left:calc(50% + 640px);top:62px;rotate:-20deg}
.shard:nth-child(30){left:calc(50% - 232px);top:190px;rotate:45deg}
.shard:nth-child(31){left:calc(50% + 252px);top:184px;rotate:-30deg}
.shard:nth-child(32){left:calc(50% - 322px);top:210px;rotate:-10deg}
.shard:nth-child(33){left:calc(50% + 312px);top:206px;rotate:20deg}
.shard:nth-child(34){left:calc(50% - 320px);top:326px;rotate:15deg}
.shard:nth-child(35){left:calc(50% + 330px);top:330px;rotate:-20deg}
.shard:nth-child(36){left:calc(50% - 252px);top:500px;rotate:60deg}
.shard:nth-child(37){left:calc(50% + 252px);top:572px;rotate:-45deg}
.shard:nth-child(38){left:calc(50% - 252px);top:640px;rotate:20deg}
.shard:nth-child(39){left:calc(50% + 252px);top:702px;rotate:70deg}
.shard:nth-child(40){left:calc(50% - 560px);top:402px;rotate:-30deg}
.shard:nth-child(41){left:calc(50% + 520px);top:394px;rotate:40deg}
.shard:nth-child(42){left:calc(50% - 470px);top:374px;rotate:10deg}
@keyframes shard-drift{to{transform:translate(4px,-7px)}}
.rig{position:relative;z-index:2;width:min(1280px,100% - 32px);margin:30px auto 0;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.28fr) minmax(0,1fr);gap:24px;align-items:end}
.rig>*{min-width:0}
.card--side{padding:20px}
.card--stack{padding:18px 20px;box-shadow:var(--hl),var(--shadow-hero)}
.card--stack::before{content:"";position:absolute;left:24px;right:24px;top:-1px;height:2px;border-radius:var(--r-xs);background:linear-gradient(90deg,var(--transparent),var(--accent-2),var(--accent),var(--transparent))}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:30px}
.card-title{font-family:var(--font-display);font-size:15.5px;font-weight:800;letter-spacing:-.01em}
.card-kicker{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;color:var(--text-muted)}
.corner{display:inline-flex;align-items:center;gap:6px;min-height:24px;padding:0 9px;border-radius:var(--r-xs);background:var(--accent-a10);color:var(--accent-dark);font:700 10.5px/1.4 var(--font-mono);letter-spacing:.09em;text-transform:uppercase;box-shadow:inset 0 0 0 1px var(--accent-a14);flex-shrink:0}
.corner svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:1.6}
.card-sub{margin-top:6px;font-size:13px;line-height:20px;color:var(--text-muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chips li,.badge,.tag{display:inline-flex;align-items:center;min-height:26px;padding:3px 10px;border-radius:var(--r-pill);background:var(--accent-a06);border:1px solid var(--accent-a22);color:var(--accent-dark);font:500 12px/1.4 var(--font-mono-zh);max-width:100%;overflow:hidden;overflow-wrap:anywhere}
.tiles{display:flex;justify-content:space-between;gap:8px;margin-top:16px}
.tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;width:58px;height:74px;min-width:0;background:var(--tile);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--hl),var(--shadow-tile);overflow:hidden;transition:transform .25s,border-color .25s}
.tile:hover{transform:translateY(-2px);border-color:var(--accent-a22)}
.tile-os svg{width:24px;height:24px;color:var(--text);fill:currentColor}
.tile-flag{width:49px}
.tile-flag svg{width:30px;height:20px;border-radius:var(--r-xs);overflow:hidden}
.tile-name{max-width:100%;padding-inline:2px;font-size:11px;line-height:1.3;color:var(--text-muted);white-space:normal;overflow-wrap:anywhere;text-align:center}
.card-foot{display:flex;align-items:center;gap:8px;margin-top:16px;padding-top:12px;border-top:1px dashed var(--border);font-size:12px;line-height:18px;color:var(--text-muted)}
.card-foot::before{content:"";width:6px;height:6px;flex-shrink:0;border-radius:var(--r-round);background:var(--accent);box-shadow:0 0 0 3px var(--accent-a14)}
.float-tip{position:absolute;z-index:3;top:-30px;right:12px;display:inline-flex;align-items:center;gap:8px;min-height:34px;padding:0 13px;border-radius:var(--r-sm);background:var(--glass);backdrop-filter:blur(10px);border:1px solid var(--white-a90);box-shadow:var(--hl),var(--shadow-chip);font-size:12.5px;font-weight:600;transform:rotate(2deg)}
.float-pill{position:absolute;z-index:3;top:-38px;left:14px;display:inline-flex;align-items:center;gap:6px;min-height:28px;padding:0 13px;border-radius:var(--r-pill);border:1.5px solid var(--accent);background:var(--panel);color:var(--accent-dark);font-size:12.5px;font-weight:800;box-shadow:var(--shadow-chip);transform:rotate(-6deg)}
.float-pill::before{content:"";width:6px;height:6px;flex-shrink:0;border-radius:var(--r-round);background:var(--accent-2)}
.stack-fig{position:relative;width:440px;max-width:100%;height:336px;margin-top:6px}
.stack-svg{display:block;width:440px;height:336px;max-width:100%}
.st-dark{stop-color:var(--accent-dark)}
.st-accent{stop-color:var(--accent)}
.st-aqua{stop-color:var(--accent-2)}
.st-white{stop-color:var(--tile)}
.so-0{stop-opacity:0}
.so-22{stop-opacity:.22}
.so-55{stop-opacity:.55}
.ring{fill:none;stroke:var(--accent);stroke-opacity:.22;stroke-width:1}
.ring--b{stroke-opacity:.14}
.cylinder-body{fill:url(#stack-side)}
.cylinder-top{fill:url(#stack-top);stroke:var(--white-a70);stroke-width:.8}
.cylinder-bottom{fill:var(--accent-dark)}
.stack-glass{fill:url(#stack-glass);stroke:var(--white-a90);stroke-width:1.2}
.globe-w{fill:none;stroke:var(--tile);stroke-width:1.6;stroke-linecap:round}
.leader{fill:none;stroke:var(--accent);stroke-opacity:.55;stroke-width:1}
.ld-dot{fill:var(--accent)}
.sweep{fill:var(--tile);opacity:.3;transform-box:fill-box;transform-origin:center;animation:stack-sweep 7s ease-in-out infinite}
@keyframes stack-sweep{0%{transform:translateX(-150px);opacity:0}8%{opacity:.3}42%{transform:translateX(150px);opacity:.3}48%,100%{transform:translateX(150px);opacity:0}}
.layers{position:absolute;left:282px;top:107px;width:148px}
.layers li{display:flex;align-items:center;gap:8px;min-height:20px;margin-bottom:7px;padding:2px 8px;background:var(--tile);border:1px solid var(--border);border-radius:var(--r-xs);font:11.5px/1.2 var(--font-mono-zh);box-shadow:var(--shadow-tile)}
.layers li:first-child{background:var(--accent-a10);border-color:var(--accent-a22);color:var(--accent-dark);font-weight:700}
.layer-no{font:700 10px/1 var(--font-mono);color:var(--accent)}
.fl-red{fill:var(--error)}
.fl-white{fill:var(--tile)}
.fl-blue{fill:var(--flag-blue)}
.fl-green{fill:var(--success)}
.statsband{position:relative;border-top:1px solid var(--border);background:var(--panel-2)}
.statsband ul{width:min(1280px,100% - 32px);margin-inline:auto;display:flex;flex-wrap:wrap;justify-content:center;gap:10px 40px;padding-block:18px}
.statsband li{font:13px/1.6 var(--font-mono-zh);letter-spacing:.04em;color:var(--text-muted)}
.statsband b{color:var(--accent-dark);margin-right:6px}
.tabs{min-width:0}
[role="tablist"]{display:flex;gap:6px;flex-wrap:wrap;padding:6px;width:fit-content;max-width:100%;border:1px solid var(--border);border-radius:var(--r);background:var(--panel-2);box-shadow:var(--hl);margin-bottom:24px}
[role="tab"]{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 20px;border-radius:var(--r-sm);background:var(--transparent);color:var(--text-muted);font-weight:700}
[role="tab"][aria-selected="true"]{color:var(--accent-dark);background:var(--panel);box-shadow:var(--shadow-tile),var(--hl)}
[role="tabpanel"]{min-width:0}
.toc-tabs{position:sticky;top:var(--toc-offset);z-index:20;display:flex;gap:6px;overflow-x:auto;max-width:100%;padding:8px;border:1px solid var(--border);border-radius:var(--r);background:var(--panel);box-shadow:var(--hl),var(--shadow-chip);margin-bottom:32px;overscroll-behavior-inline:contain}
.toc-tabs a{display:inline-flex;align-items:center;justify-content:center;min-height:40px;flex-shrink:0;padding:8px 14px;border-radius:var(--r-sm);font-size:14px;color:var(--text-muted);white-space:nowrap}
.toc-tabs a.is-active{background:var(--accent-a10);color:var(--accent-dark);font-weight:700}
.toc-tabs.toc-static{position:static}
body:has(.toc-tabs) section[id]{scroll-margin-top:var(--toc-landing)}
.faq-item{background:var(--panel);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--hl);margin-bottom:12px}
.faq-item summary{position:relative;cursor:pointer;list-style:none;padding:20px 52px 20px 22px;font-weight:700;min-height:64px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:22px;top:20px;color:var(--accent-dark);font-family:var(--font-mono)}
.faq-item[open] summary::after{content:"−"}
.faq-answer{padding:0 22px 22px;color:var(--text-muted)}
.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.plan-card{position:relative;min-width:0;display:flex;flex-direction:column;gap:20px;padding:28px;background:var(--panel);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--hl),var(--shadow-float)}
.plan-card.is-highlighted,.plan-card[aria-current="true"]{border:2px solid var(--accent);background:linear-gradient(180deg,var(--panel),var(--accent-a06));box-shadow:var(--hl),var(--shadow-hero)}
.plan-badge{align-self:flex-start;display:inline-flex;padding:4px 10px;border-radius:var(--r-xs);background:var(--accent-dark);color:var(--on-accent);font-size:12px;font-weight:700}
.plan-price{font:900 42px/1.15 var(--font-display);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.plan-price small{font:400 14px/1.5 var(--font-body);color:var(--text-muted);letter-spacing:0}
.plan-facts{display:grid;gap:12px;color:var(--text-muted);font-size:14px}
.plan-card .btn{margin-top:auto;width:100%}
.table-scroll{width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--border);border-radius:var(--r);background:var(--panel);box-shadow:var(--hl)}
.data-table,.route-table{width:100%;min-width:680px;border-collapse:collapse;text-align:left;font-size:14px}
.data-table th,.data-table td,.route-table th,.route-table td{padding:16px 20px;border-bottom:1px solid var(--border);word-break:keep-all;vertical-align:top}
.table-scroll th,.table-scroll td:first-child{color:var(--text);font-weight:700}
.table-scroll th{white-space:nowrap;background:var(--panel-2)}
.route-table .region-row th{background:var(--accent-a10);color:var(--accent-dark)}
.data-table tr:last-child td,.route-table tr:last-child td{border-bottom:0}
.prose>.data-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%;min-width:0}
.platform-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.platform-card{display:flex;flex-direction:column;align-items:center;gap:16px;min-width:0;padding:24px 16px;text-align:center;background:var(--panel);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--hl),var(--shadow-tile)}
.platform-icon{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:var(--r);background:var(--accent-a10);color:var(--accent-dark)}
.platform-icon svg{width:26px;height:26px;fill:currentColor}
.platform-card .btn{width:100%;padding-inline:8px;font-size:13px}
.article-card{display:flex;flex-direction:column;gap:16px;min-width:0;padding:24px;border:1px solid var(--border);border-radius:var(--r);background:var(--panel);box-shadow:var(--hl),var(--shadow-tile)}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font:12px/1.6 var(--font-mono-zh);color:var(--text-muted)}
.article-card h3{font-size:21px}
.article-card p{color:var(--text-muted);font-size:14px}
.article-card>a:last-child{margin-top:auto;display:inline-flex;min-height:28px;color:var(--accent-dark);font-weight:700}
.article-window{border:1px solid var(--border);border-radius:var(--r);background:var(--panel);box-shadow:var(--hl),var(--shadow-float);min-width:0}
.window-bar{display:flex;align-items:center;gap:16px;padding:12px 20px;border-bottom:1px solid var(--border);color:var(--text-muted);font:12px/1.6 var(--font-mono)}
.window-bar::before{content:"";width:38px;height:8px;flex-shrink:0;background:linear-gradient(90deg,var(--error) 0 8px,var(--transparent) 8px 15px,var(--warn) 15px 23px,var(--transparent) 23px 30px,var(--success) 30px)}
.window-content{padding:28px}
.callout,blockquote{margin:24px 0;padding:20px 24px;border-left:3px solid var(--accent);border-radius:var(--r-xs);background:var(--accent-a10);color:var(--text)}
.callout p+p{margin-top:10px}
.promo-block{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px;border:1px solid var(--accent-a22);border-radius:var(--r);background:linear-gradient(120deg,var(--panel),var(--panel-2));box-shadow:var(--hl),var(--shadow-float)}
.promo-copy{min-width:0}
.promo-copy strong{font-size:22px;font-weight:900}
.promo-copy p{color:var(--text-muted);margin-top:8px}
.promo-block .btn{flex-shrink:0;white-space:nowrap}
.feature-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:72px;padding-top:64px;padding-bottom:64px}
.feature-split>*{min-width:0}
.feature-split.is-reversed .feature-copy{order:2}
.feature-copy h3{font-size:16px;margin-top:24px;margin-bottom:10px}
.feature-copy p{color:var(--text-muted)}
.feature-copy .btn{margin-top:24px;border-radius:var(--r-pill)}
.feature-visual{padding:28px;min-width:0;background:var(--panel);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--hl),var(--shadow-float)}
.feature-visual .corner{float:right;margin-bottom:20px}
.service-tiles{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px;clear:both}
.service-tiles span{display:flex;align-items:center;justify-content:center;min-height:58px;padding:6px;border-radius:var(--r-sm);border:1px solid var(--border);background:var(--tile);font:10px/1.5 var(--font-mono);overflow-wrap:anywhere;text-align:center;box-shadow:var(--shadow-tile)}
.client-row{display:flex;justify-content:space-between;gap:16px;clear:both;padding-block:16px;border-bottom:1px solid var(--border);font-size:14px}
.client-switch{display:inline-flex;align-items:center;justify-content:center;padding:2px 10px;border-radius:var(--r-pill);background:var(--accent-a10);color:var(--accent-dark);font-size:12px;flex-shrink:0}
.preview-title{margin-bottom:28px}
.preview-flow{display:grid;gap:24px}
.preview-colors{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px}
.swatch{padding:12px;border-radius:var(--r);border:1px solid var(--border);background:var(--panel);font:12px/1.5 var(--font-mono);min-width:0;overflow-wrap:anywhere}
.swatch::before{content:"";display:block;height:64px;margin-bottom:12px;border:1px solid var(--border);border-radius:var(--r-xs)}
.sw-bg::before{background:var(--bg)}.sw-fog::before{background:var(--bg-fog)}.sw-panel::before{background:var(--panel)}.sw-panel2::before{background:var(--panel-2)}.sw-border::before{background:var(--border)}.sw-accent::before{background:var(--accent)}.sw-dark::before{background:var(--accent-dark)}.sw-aqua::before{background:var(--accent-2)}.sw-text::before{background:var(--text)}.sw-muted::before{background:var(--text-muted)}.sw-ink::before{background:var(--ink-2)}.sw-success::before{background:var(--success)}.sw-warn::before{background:var(--warn)}.sw-error::before{background:var(--error)}.sw-white::before{background:var(--tile)}.sw-blue::before{background:var(--flag-blue)}
.preview-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.preview-note{font-size:13px;color:var(--text-muted)}
@media(max-width:1100px){
.rig{grid-template-columns:1fr;max-width:520px;gap:56px;align-items:stretch}
.card--stack{order:-1}
.stack-fig{margin-inline:auto}
.shard:nth-child(n+3){display:none}
.feature-split{gap:32px}
.platform-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(max-width:768px){
.hero-title{font-size:38px;line-height:1.15}
.plan-grid{grid-template-columns:1fr}
.feature-split{grid-template-columns:1fr}
.feature-split.is-reversed .feature-copy{order:0}
.promo-block{flex-direction:column;align-items:flex-start}
.service-tiles{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(max-width:640px){
.hero{padding-top:28px}
.eyebrow{height:auto;flex-wrap:wrap;justify-content:center;padding:4px 12px 4px 4px}
.lead{font-size:16px}
.trust{gap:6px 14px;font-size:13px}
.stack-fig{width:100%;height:auto}
.stack-svg{width:100%;height:auto}
.layers{position:static;width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;margin-top:8px}
.layers li{margin:0;min-height:28px;font-size:11px}
.leader,.ld-dot{display:none}
.tiles{flex-wrap:wrap;justify-content:center}
.tile{flex-shrink:0}
.float-tip,.float-pill{transform:none;max-width:calc(100% - 24px)}
.platform-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.plan-card{padding:24px}
.feature-visual{padding:20px}
.promo-block{padding:22px}
}
@media(prefers-reduced-motion:reduce){.shard,.sweep{animation:none}.sweep{display:none}}