/* 研究室檔案夾：霧灰白底、白卡片、勃艮第酒紅＋石墨。class 一律 rl- 前綴（.rl-todo 為待補標記） */
:root{
  --rl-bg:#eef0f2; --rl-card:#fff; --rl-ink:#22262b; --rl-ink2:#454b53; --rl-mute:#6b727b; --rl-line:#d8dce1; --rl-line2:#e8ebee;
  --rl-wine:#7b1e2e; --rl-wine-d:#5c1421; --rl-wine-soft:#f5e8ea; --rl-olive:#4f6b3a; --rl-olive-soft:#e9efe2;
  --rl-orange:#d9661a; --rl-todo:#fff6dc; --rl-todo-line:#c4962a;
  --rl-head:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  --rl-body:"PingFang TC","Microsoft JhengHei","Noto Sans TC",system-ui,sans-serif;
  --rl-mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Consolas,monospace;
  --rl-r:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:64px}
body.rl{margin:0;background:var(--rl-bg);color:var(--rl-ink);font:16px/1.8 var(--rl-body);overflow-wrap:anywhere}
.rl a{color:var(--rl-wine);text-underline-offset:3px}
.rl a:hover{color:var(--rl-wine-d)}
.rl-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.rl-skip{position:absolute;left:-999px;top:0;background:var(--rl-ink);color:#fff;padding:8px 12px;z-index:50}
.rl-skip:focus{left:8px}
.rl-mono,.rl-no,.n{font-family:var(--rl-mono);font-variant-numeric:tabular-nums}

/* top line + sticky bar */
.rl-flag{margin:0;background:var(--rl-ink);color:#cfd3d8;font-size:12px;letter-spacing:.06em;text-align:center;padding:3px 16px;line-height:1.6}
.rl-topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.2) blur(6px);border-bottom:1px solid var(--rl-line)}
.rl-topbar-in{max-width:1120px;margin:0 auto;padding:0 16px;height:52px;display:flex;align-items:center;gap:12px}
.rl-mark{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--rl-ink);min-width:0}
.rl-seal{flex:none;display:inline-grid;place-items:center;width:32px;height:32px;border-radius:7px;background:var(--rl-wine);color:#fff;font:900 17px/1 var(--rl-head)}
.rl-mark-t{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.rl-mark-t b{font:900 16px/1.2 var(--rl-head);letter-spacing:-.01em;white-space:nowrap}
.rl-mark-t i{font-style:normal;font-size:11px;color:var(--rl-mute);white-space:nowrap}
.rl-nav{display:none}
.rl-where{margin-left:auto;flex:none;font-size:14px;font-weight:700;text-decoration:none;border:1.5px solid var(--rl-wine);border-radius:999px;padding:3px 13px;line-height:1.6}
.rl-where:hover{background:var(--rl-wine);color:#fff!important}
.rl-menu{position:relative;flex:none}
.rl-menu summary{list-style:none;cursor:pointer;width:38px;height:38px;display:grid;place-items:center;border-radius:8px}
.rl-menu summary::-webkit-details-marker{display:none}
.rl-menu summary:hover{background:var(--rl-line2)}
.rl-burger,.rl-burger::before,.rl-burger::after{display:block;width:18px;height:2px;background:var(--rl-ink);border-radius:2px;position:relative}
.rl-burger::before,.rl-burger::after{content:"";position:absolute;left:0}
.rl-burger::before{top:-6px}.rl-burger::after{top:6px}
.rl-menu[open] .rl-burger{background:transparent}
.rl-menu[open] .rl-burger::before{top:0;transform:rotate(45deg)}
.rl-menu[open] .rl-burger::after{top:0;transform:rotate(-45deg)}
.rl-menu-panel{position:absolute;right:0;top:46px;width:min(300px,calc(100vw - 32px));max-height:calc(100vh - 110px);overflow:auto;background:#fff;border:1px solid var(--rl-line);border-radius:var(--rl-r);box-shadow:0 14px 34px rgba(34,38,43,.14);padding:10px}
.rl-menu-panel p{margin:8px 8px 4px;font-size:12px;color:var(--rl-mute);letter-spacing:.08em}
.rl-menu-panel a{display:block;padding:8px 10px;border-radius:7px;color:var(--rl-ink);text-decoration:none;font-size:15px}
.rl-menu-panel a:hover,.rl-menu-panel a[aria-current]{background:var(--rl-wine-soft);color:var(--rl-wine)}

/* shell */
.rl-shell{max-width:1120px;margin:0 auto;padding:0 16px 40px}
.rl-main{max-width:720px;margin:0 auto;min-width:0}
.rl-toc{display:none}
@media (min-width:1000px){
  .rl-nav{display:flex;gap:2px;margin-left:12px;min-width:0;overflow:hidden}
  .rl-nav a{padding:6px 9px;border-radius:7px;color:var(--rl-ink2);text-decoration:none;font-size:14px;white-space:nowrap}
  .rl-nav a:hover{background:var(--rl-line2)}
  .rl-nav a[aria-current]{color:var(--rl-wine);font-weight:700;box-shadow:inset 0 -2px 0 var(--rl-wine);border-radius:0}
  .rl-shell.has-toc{display:grid;grid-template-columns:220px minmax(0,720px);gap:48px;justify-content:center}
  .rl-shell.has-toc .rl-main{margin:0}
  .rl-toc{display:block;position:sticky;top:76px;align-self:start;margin-top:150px;max-height:calc(100vh - 100px);overflow:auto;padding:4px 0}
  .rl-toc-h{margin:0 0 8px;font-size:12px;letter-spacing:.12em;color:var(--rl-mute)}
  .rl-toc ol{list-style:none;margin:0;padding:0;border-left:2px solid var(--rl-line)}
  .rl-toc a{display:flex;gap:8px;padding:5px 0 5px 12px;margin-left:-2px;border-left:2px solid transparent;color:var(--rl-ink2);text-decoration:none;font-size:14px;line-height:1.5}
  .rl-toc a span{font-family:var(--rl-mono);color:var(--rl-mute);font-size:12px;padding-top:2px}
  .rl-toc a:hover{border-left-color:var(--rl-wine);color:var(--rl-wine)}
  .rl-tocm{display:none}
}

/* page head */
.rl-head{padding:26px 0 8px}
.rl-crumbs{font-size:13px;color:var(--rl-mute);display:flex;gap:6px;flex-wrap:wrap}
.rl-crumbs a{color:var(--rl-mute)}
.rl-crumbs em{font-style:normal}
.rl-kicker{margin:16px 0 4px;font:700 12px/1.4 var(--rl-mono);letter-spacing:.14em;color:var(--rl-wine);text-transform:uppercase}
.rl h1{font:900 clamp(26px,6.4vw,38px)/1.25 var(--rl-head);letter-spacing:-.02em;margin:6px 0 10px}
.rl-by{margin:0;font-size:13px;color:var(--rl-mute);display:flex;flex-wrap:wrap;gap:4px 14px}
.rl-by b{color:var(--rl-ink2);font-weight:700}

/* body typography */
.rl-main h2{display:flex;gap:12px;align-items:baseline;font:900 23px/1.35 var(--rl-head);letter-spacing:-.015em;margin:46px 0 14px;padding-top:14px;border-top:1px solid var(--rl-line)}
.rl-no{flex:none;font-size:14px;font-weight:700;color:#fff;background:var(--rl-ink);border-radius:5px;padding:1px 7px;transform:translateY(-3px)}
.rl-main h3{font:700 18px/1.45 var(--rl-head);margin:26px 0 8px}
.rl-main p,.rl-main li{color:var(--rl-ink)}
.rl-main ul,.rl-main ol{padding-left:1.3em}
.rl-main li{margin:4px 0}
.rl-lead{font-size:17px;color:var(--rl-ink2)}
.rl-main strong{color:var(--rl-wine-d)}

/* answer-first */
.rl-answer{background:var(--rl-card);border:1px solid var(--rl-line);border-left:5px solid var(--rl-wine);border-radius:var(--rl-r);padding:16px 18px;margin:16px 0 18px}
.rl-answer-k{margin:0 0 6px;font:700 12px/1.4 var(--rl-mono);letter-spacing:.14em;color:var(--rl-wine)}
.rl-answer p{margin:6px 0}
.rl-answer ul{margin:8px 0 0;padding-left:1.2em}
.rl-tocm{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-r);margin:0 0 10px}
.rl-tocm summary{cursor:pointer;padding:10px 14px;font-weight:700;font-size:14px}
.rl-tocm ol{list-style:none;margin:0;padding:0 14px 10px}
.rl-tocm a{display:flex;gap:10px;padding:5px 0;text-decoration:none;color:var(--rl-ink2);font-size:14px;border-top:1px dashed var(--rl-line2)}
.rl-tocm a span{font-family:var(--rl-mono);color:var(--rl-mute);font-size:12px;padding-top:2px}

/* spec card */
.rl-spec{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-r);margin:18px 0;overflow:hidden}
.rl-spec-h{display:flex;justify-content:space-between;align-items:center;gap:10px;background:var(--rl-ink);color:#fff;padding:10px 16px}
.rl-spec-h b{font:900 17px/1.3 var(--rl-head)}
.rl-spec-h span{font:500 11px/1 var(--rl-mono);letter-spacing:.14em;color:#c4c9cf;white-space:nowrap}
.rl-spec dl{margin:0;display:grid;grid-template-columns:1fr}
.rl-sf{display:grid;grid-template-columns:96px minmax(0,1fr);gap:10px;padding:10px 16px;border-top:1px solid var(--rl-line2)}
.rl-sf:first-child{border-top:0}
.rl-sf dt{font-size:13px;color:var(--rl-mute);padding-top:2px}
.rl-sf dd{margin:0;font-weight:700}
.rl-sf dd .rl-src{display:block;font-weight:400;font-size:12px;color:var(--rl-mute);line-height:1.5;margin-top:2px}
.rl-unk dd{color:var(--rl-ink2)}
.rl-ok{display:inline-block;font-size:11px;font-weight:700;color:var(--rl-olive);background:var(--rl-olive-soft);border-radius:4px;padding:0 6px;margin-left:6px;vertical-align:2px}
.rl-pend{display:inline-block;font-size:11px;font-weight:700;color:#8a6a12;background:var(--rl-todo);border-radius:4px;padding:0 6px;margin-left:6px;vertical-align:2px}
@media (min-width:640px){.rl-spec dl{grid-template-columns:1fr 1fr}.rl-sf:nth-child(2){border-top:0}.rl-sf:nth-child(odd){border-right:1px solid var(--rl-line2)}}

/* tables */
.rl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:14px 0;border:1px solid var(--rl-line);border-radius:var(--rl-r);background:var(--rl-card)}
.rl-t{width:100%;border-collapse:collapse;table-layout:fixed;font-size:15px}
.rl-t th,.rl-t td{padding:10px 10px;text-align:center;vertical-align:middle;border-bottom:1px solid var(--rl-line2);line-height:1.5}
.rl-t tr:last-child td{border-bottom:0}
.rl-t th{background:#f4f5f7;font-size:13px;font-weight:700;color:var(--rl-ink2)}
.rl-t td.l,.rl-t th.l{text-align:left}
.rl-t .n{white-space:nowrap}
.rl-t th.rl-get{background:var(--rl-orange);color:#fff}
.rl-t td.rl-get{font-weight:800;color:var(--rl-wine);font-family:var(--rl-mono);white-space:nowrap}
.rl-t.wide{min-width:640px}
.rl-t.mid{min-width:520px}
.rl-scroll.two{max-width:440px}
.rl-cap{margin:-6px 0 14px;font-size:13px;color:var(--rl-mute)}
.rl-yes{color:var(--rl-olive);font-weight:700}
.rl-q{color:var(--rl-mute)}

/* notes, todo, change log */
.rl-note{background:var(--rl-wine-soft);border-radius:var(--rl-r);padding:12px 16px;margin:16px 0;font-size:15px}
.rl-note p{margin:4px 0}
.rl-todo{background:var(--rl-todo);border:1.5px dashed var(--rl-todo-line);border-radius:var(--rl-r);padding:12px 16px;margin:16px 0;font-size:14px;color:#5a4a1c}
.rl-todo::before{content:"待補";display:inline-block;font:700 11px/1.6 var(--rl-mono);letter-spacing:.1em;background:var(--rl-todo-line);color:#fff;border-radius:4px;padding:0 6px;margin-right:8px}
.rl-change{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-r);padding:12px 16px;margin:18px 0}
.rl-change-h{margin:0 0 6px;font:700 12px/1.4 var(--rl-mono);letter-spacing:.14em;color:var(--rl-mute)}
.rl-change ol{list-style:none;margin:0;padding:0}
.rl-change li{display:grid;grid-template-columns:96px minmax(0,1fr);gap:10px;font-size:14px;padding:4px 0;border-top:1px dashed var(--rl-line2)}
.rl-change li:first-child{border-top:0}
.rl-change time{font-family:var(--rl-mono);color:var(--rl-mute);font-size:13px}

/* myth cards */
.rl-myth{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-r);margin:14px 0;overflow:hidden}
.rl-myth-claim{padding:12px 16px;background:#f4f5f7;border-bottom:1px solid var(--rl-line2)}
.rl-myth-claim span,.rl-myth-fact span{display:block;font:700 11px/1.5 var(--rl-mono);letter-spacing:.12em;color:var(--rl-mute)}
.rl-myth-claim b{font:700 17px/1.45 var(--rl-head)}
.rl-myth-fact{padding:12px 16px}
.rl-myth-fact span{color:var(--rl-olive)}
.rl-myth-fact p{margin:4px 0}

/* platform exit cards */
.rl-gate{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-r);padding:16px 18px;margin:14px 0}
.rl-gate.first{border:2px solid var(--rl-wine)}
.rl-gate-top{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.rl-gate-top b{font:900 20px/1.3 var(--rl-head)}
.rl-gate-rank{font:700 12px/1 var(--rl-mono);color:#fff;background:var(--rl-wine);border-radius:4px;padding:4px 7px}
.rl-gate ul{margin:8px 0;padding-left:1.2em;font-size:15px}
.rl-gate small{display:block;color:var(--rl-mute);font-size:12px}

/* buttons + exit panel */
.rl-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border-radius:9px;font-weight:700;font-size:16px;text-decoration:none;text-align:center;line-height:1.3}
.rl-btn-play{background:var(--rl-wine);color:#fff!important}
.rl-btn-play:hover{background:var(--rl-wine-d)}
.rl-btn-line{background:#fff;color:var(--rl-ink)!important;border:1.5px solid var(--rl-ink)}
.rl-btn-line:hover{background:var(--rl-ink);color:#fff!important}
.rl-btn-ghost{background:transparent;border:1.5px solid var(--rl-line);color:var(--rl-ink)!important}
.rl-exit{background:var(--rl-ink);color:#e8eaed;border-radius:var(--rl-r);padding:18px;margin:30px 0}
.rl-exit p{color:#e8eaed;margin:6px 0}
.rl-exit .rl-exit-k{font:700 12px/1.4 var(--rl-mono);letter-spacing:.14em;color:#e9b7bf;margin:0}
.rl-exit a.rl-lid{color:#fff}
.rl-exit-row{display:grid;grid-template-columns:1fr;gap:10px;margin:12px 0 10px}
.rl-exit .rl-btn-line{background:transparent;color:#fff!important;border-color:#8c939b}
.rl-exit small{color:#a9afb6;font-size:12px}
@media (min-width:560px){.rl-exit-row{grid-template-columns:1fr 1fr}}

/* FAQ */
.rl-qa{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-r);margin:10px 0}
.rl-qa summary{cursor:pointer;list-style:none;padding:13px 44px 13px 16px;font-weight:700;position:relative;line-height:1.5}
.rl-qa summary::-webkit-details-marker{display:none}
.rl-qa summary::after{content:"+";position:absolute;right:16px;top:10px;font:500 20px/1.2 var(--rl-mono);color:var(--rl-wine)}
.rl-qa[open] summary::after{content:"−"}
.rl-qa-a{padding:0 16px 14px;color:var(--rl-ink2);font-size:15px}

/* calculator */
.rl-calc{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-r);padding:16px 18px;margin:18px 0}
.rl-calc-h{margin:0 0 10px;font:900 18px/1.4 var(--rl-head)}
.rl-calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.rl-calc label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--rl-ink2);font-weight:700}
.rl-calc input{width:100%;min-width:0;font:600 17px/1.3 var(--rl-mono);padding:9px 10px;border:1.5px solid var(--rl-line);border-radius:8px;background:#fafbfc;color:var(--rl-ink)}
.rl-calc input:focus{outline:2px solid var(--rl-wine);outline-offset:1px;border-color:var(--rl-wine)}
.rl-calc-out{margin:14px 0 0;display:grid;grid-template-columns:1fr;gap:8px}
.rl-calc-out div{display:flex;justify-content:space-between;align-items:baseline;gap:10px;background:#f4f5f7;border-radius:8px;padding:9px 12px}
.rl-calc-out dt{font-size:14px;color:var(--rl-ink2)}
.rl-calc-out dd{margin:0;font:700 19px/1.2 var(--rl-mono);color:var(--rl-wine);white-space:nowrap}
.rl-calc-note{margin:10px 0 0;font-size:13px;color:var(--rl-mute)}

/* home */
.rl-hero{padding:30px 0 6px}
.rl-hero h1{font-size:clamp(30px,8vw,46px);margin:8px 0 12px}
.rl-hero-k{margin:0;font:700 12px/1.4 var(--rl-mono);letter-spacing:.16em;color:var(--rl-wine)}
.rl-main .rl-stance{list-style:none;margin:14px 0;padding:0;display:grid;gap:8px;counter-reset:st}
.rl-stance li{counter-increment:st;display:grid;grid-template-columns:34px minmax(0,1fr);gap:8px;align-items:start;background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-r);padding:10px 14px;margin:0}
.rl-stance li::before{content:counter(st,decimal-leading-zero);font:700 14px/1.9 var(--rl-mono);color:var(--rl-wine)}
.rl-hero-row{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 4px}
.rl-files{display:grid;grid-template-columns:1fr;gap:12px;margin:16px 0}
.rl-file{display:block;background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-r);padding:14px 16px;text-decoration:none;color:var(--rl-ink)!important;position:relative}
.rl-file:hover{border-color:var(--rl-wine)}
.rl-file-no{font:700 11px/1.4 var(--rl-mono);letter-spacing:.12em;color:var(--rl-mute)}
.rl-file b{display:block;font:900 18px/1.4 var(--rl-head);margin:2px 0 6px}
.rl-file dl{margin:0;display:grid;grid-template-columns:auto minmax(0,1fr);gap:2px 10px;font-size:13px}
.rl-file dt{color:var(--rl-mute)}
.rl-file dd{margin:0}
@media (min-width:600px){.rl-files{grid-template-columns:1fr 1fr}}
.rl-tools{display:grid;grid-template-columns:1fr;gap:10px;margin:14px 0}
.rl-tool{display:block;border:1px solid var(--rl-line);background:var(--rl-card);border-radius:var(--rl-r);padding:12px 16px;text-decoration:none;color:var(--rl-ink)!important}
.rl-tool b{display:block;font:700 16px/1.4 var(--rl-head)}
.rl-tool span{font-size:14px;color:var(--rl-mute)}
.rl-tool:hover{border-color:var(--rl-wine)}
@media (min-width:600px){.rl-tools{grid-template-columns:repeat(3,1fr)}}

/* author seal (about) */
.rl-author{display:flex;gap:14px;align-items:center;background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-r);padding:14px 16px;margin:16px 0}
.rl-author-seal{flex:none;width:58px;height:58px;border-radius:50%;border:3px double var(--rl-wine);color:var(--rl-wine);display:grid;place-items:center;font:900 26px/1 var(--rl-head)}
.rl-author p{margin:2px 0;font-size:15px}

/* next read */
.rl-next{margin:34px 0 0}
.rl-next-h{font:700 12px/1.4 var(--rl-mono);letter-spacing:.14em;color:var(--rl-mute);margin:0 0 8px}
.rl-next ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.rl-next li{margin:0}
.rl-next a{display:block;background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-r);padding:11px 14px;text-decoration:none}
.rl-next b{display:block;color:var(--rl-ink);font-size:15px}
.rl-next span{font-size:13px;color:var(--rl-mute)}
.rl-next a:hover{border-color:var(--rl-wine)}

/* footer */
.rl-foot{background:#e3e6e9;border-top:1px solid var(--rl-line);margin-top:30px}
.rl-foot-in{max-width:1120px;margin:0 auto;padding:26px 16px 30px;font-size:14px;color:var(--rl-ink2)}
.rl-foot-brand{display:flex;gap:10px;align-items:flex-start}
.rl-foot-brand b{font:900 16px/1.4 var(--rl-head);color:var(--rl-ink)}
.rl-foot-brand p{margin:2px 0 0;font-size:13px}
.rl-foot-cols{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:18px 0}
.rl-foot-cols a{display:block;color:var(--rl-ink2);text-decoration:none;padding:3px 0;font-size:14px}
.rl-foot-cols a:hover{color:var(--rl-wine)}
.rl-foot-h{margin:0 0 4px;font:700 12px/1.4 var(--rl-mono);letter-spacing:.12em;color:var(--rl-mute)}
.rl-foot-note{font-size:13px;line-height:1.75;border-top:1px solid var(--rl-line);padding-top:14px}
.rl-foot-age{font-size:13px;display:flex;gap:10px;align-items:flex-start}
.rl-foot-age span{flex:none;font:700 12px/1 var(--rl-mono);border:1.5px solid var(--rl-wine);color:var(--rl-wine);border-radius:50%;width:34px;height:34px;display:grid;place-items:center}
.rl-foot-copy{font-size:12px;color:var(--rl-mute);margin:12px 0 0}
@media (min-width:800px){.rl-foot-cols{grid-template-columns:repeat(2,220px)}}

@media (max-width:380px){
  .rl-mark-t i{display:none}
  .rl-calc-grid{grid-template-columns:1fr}
  .rl-sf{grid-template-columns:80px minmax(0,1fr)}
}

/* ===== official demo (RSG iframe on tap / ATG link-out) ===== */
.rl-demo{background:var(--rl-ink);color:#e9ecef;border-radius:var(--rl-r);margin:16px 0 20px;overflow:hidden}
.rl-demo-k{font-family:var(--rl-mono);font-size:12px;letter-spacing:.08em;color:#aab1b9;margin:0 0 8px}
.rl-demo-stage{aspect-ratio:16/10;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:20px;text-align:center;background:radial-gradient(120% 90% at 50% 0%,#3a2026 0%,var(--rl-ink) 70%)}
.rl-demo.is-on .rl-demo-stage{padding:0;aspect-ratio:4/3;max-height:78vh;background:#000}
@media (min-width:760px){.rl-demo.is-on .rl-demo-stage{aspect-ratio:16/10}}
.rl-demo-stage iframe{display:block;width:100%;height:100%;border:0}
.rl-demo-go{font:inherit;font-weight:700;font-size:16px;min-height:48px;padding:10px 22px;border:0;border-radius:9px;background:var(--rl-wine);color:#fff;cursor:pointer}
.rl-demo-go:hover{background:var(--rl-wine-d)}
.rl-demo-tip{margin:0;font-size:13px;color:#aab1b9;max-width:30em}
.rl-demo-foot{margin:0;padding:10px 16px 12px;font-size:13px;color:#aab1b9;border-top:1px solid #3a3f45}
.rl-demo-foot a{color:#fff}
.rl-demo-out{padding:16px 16px 0}
.rl-demo-out>p:not(.rl-demo-k):not(.rl-demo-foot){margin:0 0 12px;font-size:15px}
.rl-demo-out .rl-demo-foot{margin:14px -16px 0}
.rl-btn-demo{background:#fff;color:var(--rl-ink)!important;width:100%}
.rl-btn-demo:hover{background:var(--rl-wine-soft)}
.rl-demo p,.rl-demo .rl-demo-k,.rl-demo .rl-demo-tip,.rl-demo .rl-demo-foot{color:#aab1b9}
.rl-demo.rl-demo-out>p:not(.rl-demo-k):not(.rl-demo-foot){color:#e9ecef}
.rl-demo .rl-demo-foot a{color:#fff}