/* MOAT 站台共用樣式（site_v2）。黑白灰；三種語言：感性（人群與動畫）、理性（資料圖）、克制（字體與留白）。 */
:root{--bg:#000;--fg:#fff;--fg2:rgba(255,255,255,.78);--fg3:rgba(255,255,255,.46);--line:rgba(255,255,255,.16);--line2:rgba(255,255,255,.09);--ease:cubic-bezier(.16,.84,.44,1);--gut:40px;--max:1240px;--c-gut:40px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html,body{background:var(--bg);color:var(--fg)}
body{font-family:"Inter","PingFang TC","Noto Sans TC","Microsoft JhengHei",-apple-system,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,p,li,dd{text-wrap:balance}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.eyebrow{display:block;font-size:12px;letter-spacing:.22em;color:var(--fg3);margin-bottom:26px}
.sec{padding:clamp(72px,12vh,140px) 0;border-top:1px solid var(--line2)}
.sec:first-of-type{border-top:0}
h1{font-weight:500;letter-spacing:-.026em;line-height:1.1}
h2{font-size:clamp(28px,3.8vw,52px);font-weight:500;letter-spacing:-.02em;line-height:1.18}
.lede{font-size:clamp(16px,1.6vw,21px);color:var(--fg2);line-height:1.7;max-width:34em}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:999px;font-size:13px;letter-spacing:.04em;border:1px solid var(--line);transition:background .25s var(--ease),border-color .25s var(--ease)}
.btn:hover{border-color:var(--fg)}.btn.solid{background:var(--fg);color:#000;border-color:var(--fg)}.btn.solid:hover{background:#dcdcdc}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.badge{display:inline-block;font-size:11px;letter-spacing:.14em;border:1px solid var(--line);border-radius:2px;padding:2px 9px;color:var(--fg2)}
.rv{opacity:0;transform:translateY(18px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}

/* 問題清單 */
.qrows{border-top:1px solid var(--line)}
.qrow{display:grid;grid-template-columns:48px minmax(0,1fr) auto;gap:18px;align-items:center;padding:clamp(22px,3.4vh,34px) 0;border-bottom:1px solid var(--line2);transition:background .3s var(--ease)}
.qrow .n{font-size:12px;letter-spacing:.14em;color:var(--fg3)}
.qrow .q{display:block;text-wrap:balance;font-size:clamp(20px,2.6vw,34px);font-weight:500;letter-spacing:-.012em;line-height:1.3}
.qrow .p{display:block;font-size:13px;color:var(--fg3);margin-top:6px;letter-spacing:.04em}
.qrow .ar{font-size:22px;color:var(--fg3);transition:transform .25s var(--ease),color .25s}
.qrow:hover .ar{transform:translateX(6px);color:var(--fg)}
.qrow:hover{background:rgba(255,255,255,.03)}

/* 觀點＋影片 */
.pov{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(30px,6vw,90px);align-items:center}
.pov .stmt{font-size:clamp(30px,4.2vw,60px);font-weight:500;letter-spacing:-.022em;line-height:1.2;margin-bottom:34px}
.pov ol{list-style:none;border-top:1px solid var(--line)}
.pov li{display:flex;gap:18px;align-items:baseline;padding:18px 0;border-bottom:1px solid var(--line2)}
.pov li b{font-size:12px;letter-spacing:.14em;color:var(--fg3);font-weight:400;flex:0 0 28px}
.pov li span{font-size:clamp(17px,1.8vw,22px);font-weight:500}
.pov li small{display:block;font-size:12px;letter-spacing:.08em;color:var(--fg3);margin-top:3px;font-weight:400}
.film{position:relative;max-width:360px;margin:0 auto}.film video,.film img{outline:1px solid var(--line2)}
.film video,.film img{display:block;width:100%;aspect-ratio:9/16;object-fit:cover}
.film .snd{display:block;margin:14px auto 0;font-size:11px;letter-spacing:.14em;border:1px solid var(--line);border-radius:999px;padding:8px 16px;color:var(--fg2)}.film .snd:hover{border-color:var(--fg)}

/* 人群開場與三畫面 */
#pwrap{position:relative;min-height:60svh;border-top:1px solid var(--line2)}
#pwrap .stage{position:absolute;inset:0;overflow:hidden}
#pcv{position:absolute;inset:0;width:100%;height:100%;display:block}
.pt1{position:absolute;left:0;right:0;text-align:center;padding:0 var(--gut)}
.pt1 p{font-size:clamp(34px,5.4vw,80px);font-weight:500;letter-spacing:-.02em;line-height:1.2}
.phint{position:absolute;left:0;right:0;bottom:max(24px,env(safe-area-inset-bottom,0px));text-align:center;font-size:11px;letter-spacing:.24em;color:var(--fg3)}
.pintro{padding-top:clamp(36px,8vh,90px)!important}.pintro p{font-size:clamp(22px,3.2vw,44px);font-weight:500;letter-spacing:-.012em;line-height:1.5;max-width:20em}
.scene{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,5vw,72px);align-items:center;min-height:100svh}
.scene .txt .n{font-size:11px;letter-spacing:.24em;color:var(--fg3)}
.scene .txt h3{font-size:clamp(34px,4.6vw,64px);font-weight:500;letter-spacing:-.02em;line-height:1.1;margin:14px 0 12px}
.scene .txt .s{font-size:11px;letter-spacing:.3em;color:var(--fg3);margin-bottom:22px}
.scene .txt p{font-size:clamp(16px,1.5vw,20px);color:var(--fg2);max-width:19em}
.art{position:relative;aspect-ratio:4/3;max-width:100%;border:1px solid var(--line2)}
.art canvas{position:absolute;inset:0;width:100%;height:100%;display:block}

/* 分頁籤與資料圖 */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:28px 0 30px}
.tab{font-size:13px;letter-spacing:.06em;padding:10px 18px;border:1px solid var(--line);border-radius:999px;color:var(--fg2);transition:border-color .2s,color .2s,background .2s}
.tab:hover{border-color:var(--fg)}.tab[aria-selected="true"]{background:var(--fg);color:#000;border-color:var(--fg)}
.pane[hidden]{display:none}
.viz-note{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:18px;font-size:12.5px;color:var(--fg3);line-height:1.8}
.vgrid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(24px,4vw,56px);align-items:start}
.vcap h3{font-size:clamp(22px,2.6vw,32px);font-weight:500;letter-spacing:-.015em;line-height:1.3;margin-bottom:14px}
.vcap p{font-size:15px;color:var(--fg2);max-width:26em}

/* 矩陣 */
.mx{position:relative}
#mx{width:100%;display:block;user-select:none;-webkit-user-select:none}
#mx text{font-family:inherit}
.frame{fill:none;stroke:rgba(255,255,255,.26);stroke-width:1}
.cross{stroke:rgba(255,255,255,.2);stroke-width:1}
.qf{fill:rgba(255,255,255,.022);cursor:pointer;transition:fill .5s var(--ease)}.qf.core{fill:rgba(255,255,255,.05)}.qf.sel{fill:rgba(255,255,255,.1)}
.qn{fill:var(--fg3);font-size:13px;letter-spacing:.14em;pointer-events:none;transition:fill .4s var(--ease)}.qn.sel{fill:var(--fg)}
.ax{fill:var(--fg3);font-size:11.5px;letter-spacing:.12em}
.bb{cursor:pointer;outline:none;transition:opacity .4s var(--ease)}
.bb .c{fill:rgba(255,255,255,.12);stroke:rgba(255,255,255,.85);stroke-width:1;transition:fill .35s var(--ease),stroke-width .2s}
.bb .n{fill:var(--fg);font-size:13px;font-weight:500;pointer-events:none}.bb .u{fill:var(--fg3);font-size:11px;pointer-events:none}
.bb:hover .c,.bb:focus-visible .c{stroke-width:2}.bb.sel .c{fill:#fff}.bb.dim{opacity:.4}
.pre .bb{opacity:0}.bb.in{opacity:1}.bb.in.dim{opacity:.4}
.bb .g{transform-box:fill-box;transform-origin:center;transform:scale(.4);transition:transform .8s var(--ease)}.bb.in .g{transform:none}
.draw{stroke-dasharray:var(--len);stroke-dashoffset:var(--len);transition:stroke-dashoffset 1.2s var(--ease)}.go .draw{stroke-dashoffset:0}
.pre .qf,.pre .qn,.pre .ax{opacity:0}.qf,.qn,.ax{transition:fill .5s var(--ease),opacity .9s var(--ease) .5s}.go .qf,.go .qn,.go .ax{opacity:1}
.mxpanel{border-top:1px solid var(--line);padding-top:20px;min-height:300px}
.mxpanel .p-k{font-size:11px;letter-spacing:.2em;color:var(--fg3)}
.mxpanel .p-zone{font-size:clamp(30px,3.2vw,46px);font-weight:500;letter-spacing:-.02em;line-height:1.15;margin:10px 0 6px}
.mxpanel .p-ch{font-size:14px;color:var(--fg2)}
.mxpanel dl.d{margin-top:26px;border-top:1px solid var(--line2)}
.mxpanel dl.d div{padding:14px 0;border-bottom:1px solid var(--line2)}
.mxpanel dt{font-size:11px;letter-spacing:.2em;color:var(--fg3);margin-bottom:5px}
.mxpanel dd{font-size:clamp(15px,1.4vw,18px);line-height:1.6}
.chips{margin-top:20px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}.chips .k{font-size:11px;letter-spacing:.2em;color:var(--fg3);margin-right:6px}
.chip{font-size:13px;padding:7px 14px;border:1px solid var(--line);border-radius:999px;color:var(--fg2)}.chip:hover,.chip.on{border-color:var(--fg);color:var(--fg)}
.p-body{transition:opacity .28s var(--ease),transform .28s var(--ease)}.p-body.swap{opacity:0;transform:translateY(8px)}

/* 重疊圖 */
.ov svg{display:block;width:100%;height:auto}
.ov .lab{fill:var(--fg2);font-size:13px;letter-spacing:.06em}
.bars{margin-top:22px;border-top:1px solid var(--line)}
.bars .br{display:grid;grid-template-columns:5.5em minmax(0,1fr) 3.4em;gap:14px;align-items:center;padding:11px 0;border-bottom:1px solid var(--line2);font-size:14px;color:var(--fg2)}
.bars .bt{height:3px;background:var(--line2);position:relative}
.bars .bt i{position:absolute;left:0;top:0;bottom:0;background:#fff;width:0;transition:width 1.2s var(--ease)}
.bars .bv{text-align:right;font-variant-numeric:tabular-nums;color:var(--fg)}
.in .bars .bt i,.bars.in .bt i{width:var(--w)}

/* 指標格 */
.mgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line2);border:1px solid var(--line2)}
.mcell{background:#000;padding:22px 20px 24px;min-height:230px;display:flex;flex-direction:column}
.mcell h4{font-size:13px;letter-spacing:.1em;color:var(--fg2);font-weight:500;margin-bottom:6px}
.mcell .big{font-size:clamp(30px,3vw,44px);font-weight:500;letter-spacing:-.02em;font-variant-numeric:tabular-nums;margin:8px 0 10px}
.mcell p{font-size:12.5px;color:var(--fg3);line-height:1.7;margin-top:auto}
.dots{display:grid;grid-template-columns:repeat(20,1fr);gap:3px;margin:6px 0}
.dots i{aspect-ratio:1;background:rgba(255,255,255,.12);transition:background .5s var(--ease);display:block}
.dots i.on{background:#fff}
.mcell .row2{display:flex;gap:10px;align-items:center;font-size:12.5px;color:var(--fg2);margin:5px 0}
.mcell .row2 b{font-weight:400;flex:0 0 4.4em;color:var(--fg3)}
.mcell .bt{flex:1;height:3px;background:var(--line2);position:relative}.mcell .bt i{position:absolute;left:0;top:0;bottom:0;background:#fff;width:0;transition:width 1.2s var(--ease)}
.in .mcell .bt i{width:var(--w)}

/* 受眾 */
.aud{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line2);border:1px solid var(--line2)}
.aud>div{background:#000;padding:24px 22px 26px}
.aud h4{font-size:12px;letter-spacing:.16em;color:var(--fg3);font-weight:400;margin-bottom:10px}
.aud .big{font-size:clamp(36px,4vw,60px);font-weight:500;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.aud .sub{font-size:13px;color:var(--fg3);margin-top:6px;line-height:1.7}
.split{display:flex;height:8px;margin:14px 0 8px;gap:3px}.split i{display:block;background:#fff}.split i+i{background:rgba(255,255,255,.35)}
.aud .wide{grid-column:1/-1}

/* 歸因表 */
.tbl{overflow-x:auto;border-top:1px solid var(--line)}
.tbl table{border-collapse:collapse;width:100%;min-width:560px;font-size:14px}
.tbl th{font-size:11px;letter-spacing:.14em;color:var(--fg3);font-weight:400;text-align:left;padding:14px 12px 14px 0;border-bottom:1px solid var(--line)}
.tbl td{padding:16px 12px 16px 0;border-bottom:1px solid var(--line2);color:var(--fg2);font-variant-numeric:tabular-nums;vertical-align:middle}
.tbl td:first-child{color:var(--fg);white-space:nowrap}
.tbl tr.top td{color:var(--fg)}
.tbl .bt{display:inline-block;vertical-align:middle;width:90px;height:3px;background:var(--line2);position:relative;margin-right:10px}
.tbl .bt i{position:absolute;left:0;top:0;bottom:0;background:#fff;width:0;transition:width 1.2s var(--ease)}.in .tbl .bt i,.tbl.in .bt i{width:var(--w)}
.diag{margin-top:22px;border:1px solid var(--line);padding:16px 18px;font-size:15px;line-height:1.7}
.diag b{display:block;font-size:11px;letter-spacing:.18em;color:var(--fg3);font-weight:400;margin-bottom:6px}

/* 流程 */
.flow{display:grid;grid-template-columns:minmax(0,1fr) 36px minmax(0,2.2fr) 36px minmax(0,1fr);align-items:stretch;gap:0}
.flow .col{border:1px solid var(--line);padding:18px 18px 20px}
.flow .col h4{font-size:11px;letter-spacing:.18em;color:var(--fg3);font-weight:400;margin-bottom:10px}
.flow .col p{font-size:14px;color:var(--fg2);line-height:1.7}
.flow .arr{display:flex;align-items:center;justify-content:center;color:var(--fg3);font-size:18px}
.paths{display:grid;gap:12px}
.paths .pa{border:1px solid var(--line2);padding:14px 16px}
.paths .pa b{font-size:15px;font-weight:500;display:block;margin-bottom:4px}
.paths .pa ol{margin:8px 0 0;padding-left:1.2em;font-size:13.5px;color:var(--fg2)}
.eco{display:flex;gap:8px;flex-wrap:wrap}.eco span{font-size:13px;border:1px solid var(--line);padding:7px 14px;border-radius:999px;color:var(--fg)}

/* 內頁 */
.crumb{padding-top:34px;font-size:12px;letter-spacing:.12em;color:var(--fg3)}.crumb a:hover{color:var(--fg)}.crumb i{font-style:normal;margin:0 10px;opacity:.5}
.phero{padding-block:clamp(40px,8vh,80px) clamp(40px,7vh,72px)}
.phero h1{font-size:clamp(34px,5.4vw,76px);max-width:15em;text-wrap:balance}
.phero .lede{margin-top:26px}
.list2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(24px,4vw,64px);border-top:1px solid var(--line)}
.list2 li{list-style:none;padding:16px 0;border-bottom:1px solid var(--line2);font-size:clamp(15px,1.4vw,18px);color:var(--fg2)}
.qs li{list-style:none;padding:18px 0;border-bottom:1px solid var(--line2);font-size:clamp(17px,1.8vw,24px);font-weight:500;letter-spacing:-.01em}
.qs{border-top:1px solid var(--line)}
.fine{font-size:12.5px;color:var(--fg3);line-height:1.9;max-width:50em}
.next{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line2);border:1px solid var(--line2)}
.next a{background:#000;padding:26px 24px;display:block}.next a:hover{background:#0b0b0b}
.next small{display:block;font-size:11px;letter-spacing:.18em;color:var(--fg3);margin-bottom:8px}
.next span{font-size:clamp(18px,2vw,26px);font-weight:500}
.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(24px,4vw,64px)}
.cards3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line2);border:1px solid var(--line2)}
.cards3>div{background:#000;padding:26px 22px 28px}
.cards3 .no{font-size:12px;letter-spacing:.14em;color:var(--fg3)}
.cards3 .big{font-size:clamp(34px,3.6vw,52px);font-weight:500;letter-spacing:-.02em;font-variant-numeric:tabular-nums;margin:14px 0 4px}
.cards3 .t{font-size:15px;color:var(--fg);margin-bottom:10px}.cards3 p{font-size:13.5px;color:var(--fg2);line-height:1.75}
.steps{border-top:1px solid var(--line)}
.steps li{list-style:none;display:grid;grid-template-columns:3.2em minmax(0,1fr) minmax(0,1.6fr);gap:18px;padding:22px 0;border-bottom:1px solid var(--line2);align-items:baseline}
.steps b{font-size:12px;letter-spacing:.14em;color:var(--fg3);font-weight:400}.steps span{font-size:clamp(20px,2.2vw,30px);font-weight:500}.steps em{font-style:normal;color:var(--fg2);font-size:15px}
.doyes li,.donot li{list-style:none;padding:14px 0;border-bottom:1px solid var(--line2);color:var(--fg2);font-size:15px}
.doyes{border-top:1px solid var(--line)}.donot{border-top:1px solid var(--line)}.donot li{color:var(--fg3)}
.two h3{font-size:12px;letter-spacing:.2em;color:var(--fg3);font-weight:400;margin-bottom:14px}
.mail{font-size:clamp(17px,5.4vw,56px);font-weight:500;letter-spacing:-.02em;white-space:nowrap}
.hero{min-height:calc(100svh - 78px);display:flex;flex-direction:column;justify-content:center;padding:clamp(28px,5vh,64px) 0 max(34px,env(safe-area-inset-bottom,0px))}
.hero h1{font-size:clamp(44px,8.4vw,128px)}
.hero .ln{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}.hero .ln>span{display:block;transform:translateY(105%)}
.hero .dim{color:rgba(255,255,255,.44)}
.hero .lede{margin-top:34px}
.hero .base{margin-top:clamp(52px,9vh,100px);display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:40px;align-items:end;padding-top:26px;border-top:1px solid var(--line2)}
.hero .shift{font-size:clamp(18px,1.9vw,26px);line-height:1.5;max-width:24em}
.hero .unseen,.hero .seen{font-style:normal;color:#fff}
.hero .unseen{filter:blur(7px);opacity:.4;transition:filter 1.5s var(--ease) 1.6s,opacity 1.5s var(--ease) 1.6s}
.live .hero .unseen{filter:none;opacity:1}
.hero .cta{justify-content:flex-end}
.hero .eyebrow,.hero .lede,.hero .base{opacity:0;transition:opacity .9s var(--ease)}
.live .hero .eyebrow{opacity:1}.live .hero .lede{opacity:1;transition-delay:.7s}.live .hero .base{opacity:1;transition-delay:1.5s}
.live .hero h1 .ln>span{transform:none;transition:transform 1.15s var(--ease)}.live .hero h1 .ln:nth-child(2)>span{transition-delay:.14s}
.nw{white-space:nowrap}
.closing h2{font-size:clamp(34px,5.4vw,80px);max-width:14em}
.closing .mail{margin-top:34px;display:inline-block}

@media(max-width:900px){
  :root{--gut:22px;--c-gut:22px}
  .pov,.vgrid,.two{grid-template-columns:1fr}
  .scene{grid-template-columns:1fr;min-height:auto;padding-block:10svh;gap:26px;align-items:start}
  .scene .txt p{max-width:100%}
  .sec{padding:clamp(52px,7svh,72px) 0}
  .hero{min-height:0;justify-content:flex-start;padding:max(56px,9svh) 0 40px}
  .hero .base{grid-template-columns:1fr;gap:26px;margin-top:40px;padding-top:24px}.hero .cta{justify-content:flex-start}
  .mgrid,.cards3{grid-template-columns:1fr}
  .aud{grid-template-columns:1fr}
  .list2,.next{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}.flow .arr{transform:rotate(90deg);padding:8px 0}
  .steps li{grid-template-columns:2.4em 1fr;}.steps em{grid-column:2}
  .qrow{grid-template-columns:34px minmax(0,1fr) auto;gap:12px}
}
@media(prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  .hero .ln>span{transform:none!important;transition:none!important}
  .hero .eyebrow,.hero .lede,.hero .base{opacity:1!important;transition:none!important}
  .hero .unseen{filter:none!important;opacity:1!important;transition:none!important}.draw{transition:none;stroke-dashoffset:0}.bb .g{transition:none;transform:none}.pre .bb,.pre .qf,.pre .qn,.pre .ax{opacity:1}
}
@media(max-width:900px) and (max-height:640px){.hero{padding-top:32px;padding-bottom:32px}.hero .lede{margin-top:22px}.hero .base{margin-top:28px;gap:20px}}
@media(max-width:340px){.phero h1,.closing h2{font-size:30px}}

/* 回到頂端（行為移植自 LIKA，視覺為 MOAT 黑白灰：無硬陰影、細線、玻璃黑底） */
.totop{position:fixed;z-index:60;right:max(clamp(14px,2.2vw,28px),env(safe-area-inset-right,0px));bottom:max(clamp(14px,2.2vw,28px),env(safe-area-inset-bottom,0px));width:52px;height:52px;border-radius:50%;display:grid;place-items:center;padding:0;cursor:pointer;color:#fff;background:rgba(10,10,10,.72);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--line);opacity:0;visibility:hidden;transform:translateY(16px);transition:opacity .35s var(--ease),transform .45s var(--ease),visibility 0s linear .45s,background .3s var(--ease),border-color .3s var(--ease)}
.totop.is-on{opacity:1;visibility:visible;transform:none;transition-delay:0s}
.totop svg.ring{position:absolute;inset:-1px;width:calc(100% + 2px);height:calc(100% + 2px);transform:rotate(-90deg);pointer-events:none}
.totop svg.ring circle{fill:none;stroke-width:2}
.totop svg.ring .bg{stroke:rgba(255,255,255,.14)}
.totop svg.ring .fg{stroke:#fff;stroke-linecap:round}
.totop svg.ar{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;position:relative;transition:transform .35s var(--ease)}
.totop:hover{background:#fff;color:#000;border-color:#fff}
.totop:hover svg.ring .fg{stroke:#000}.totop:hover svg.ring .bg{stroke:rgba(0,0,0,.16)}
.totop:hover svg.ar{transform:translateY(-2px)}
.totop:active{transform:scale(.94)}
.totop:focus-visible{outline:2px solid #fff;outline-offset:3px}
html.pre .totop,html.intro-lock .totop{display:none}
@media(max-width:900px){.totop{width:46px;height:46px}.totop svg.ar{width:16px;height:16px}}
@media(prefers-reduced-motion:reduce){.totop,.totop svg.ar{transition:none}}

/* 自訂游標：10px 實心白點＋差值混合（白上變黑、黑上維持白）；輸入欄位保留原生文字游標 */
#cur{position:fixed;left:0;top:0;width:10px;height:10px;border-radius:50%;background:#fff;mix-blend-mode:difference;pointer-events:none;z-index:2147483647;opacity:0;transition:opacity .2s linear;will-change:transform}
#cur.on{opacity:1}
html.has-cursor,html.has-cursor *{cursor:none!important}
html.has-cursor input,html.has-cursor textarea,html.has-cursor [contenteditable="true"]{cursor:text!important}
@media(hover:none),(pointer:coarse){#cur{display:none}}