/* Tap Vortex guides: shared article system (concept v2). Tokens, navs, buttons, cards and footer match /leak-check v2. */
:root{--ink:#1d1d1f;--ink2:#424245;--mute:#6e6e73;--dim:#86868b;--bg:#f5f5f7;--blue:#0071e3;--blue2:#2997ff;--line:#d2d2d7;--sn:52px;--gut:22px;--rail:220px;--rgap:80px;interpolate-size:allow-keywords}
*{box-sizing:border-box;margin:0;padding:0}
html{background:#fff;-webkit-text-size-adjust:100%}
html.smooth{scroll-behavior:smooth}
body{background:#fff;color:var(--ink);font-family:'Inter Tight',system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:clip;font-size:17px;line-height:1.47}
a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
img{display:block;max-width:100%}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:8px}
.wrap{width:min(1180px,calc(100% - var(--gut)*2));margin:0 auto}
h1,h2,h3{font-weight:600;letter-spacing:-.035em}
.chap{display:block;font-size:clamp(17px,1.5vw,21px);font-weight:600;letter-spacing:-.015em;color:var(--mute);margin-bottom:12px}
.h2{font-size:clamp(36px,5.2vw,76px);line-height:1.04}
.lead{font-size:clamp(18px,1.6vw,23px);line-height:1.38;color:var(--mute);letter-spacing:-.012em;max-width:32em}
.c{text-align:center}.c .lead{margin-left:auto;margin-right:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;font-size:17px;font-weight:500;letter-spacing:-.01em;height:48px;padding:0 24px;border-radius:99px;transition:background .2s,transform .2s}
.btn:hover{background:#0077ed}.btn:active{transform:scale(.98)}
.lnk{color:var(--blue);font-size:17px;font-weight:500;letter-spacing:-.01em}.lnk:hover{text-decoration:underline}
.js .rv{opacity:0;transform:translateY(28px);transition:opacity 1s cubic-bezier(.2,.7,.2,1),transform 1.2s cubic-bezier(.16,.84,.24,1)}
.js .rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}
.dark{background:#000;color:#f5f5f7}.dark .chap{color:#a1a1a6}.dark .lead{color:#a1a1a6}.dark .lnk{color:var(--blue2)}
.grey{background:var(--bg)}
section{position:relative}

/* ---------- navs (same as leak check) ---------- */
.gn{height:44px;background:#fff;position:relative;z-index:40}
.gn .wrap{height:100%;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:8px;font-weight:600;font-size:16px;letter-spacing:-.035em}.logo img{width:20px;height:20px}
.gn nav{display:flex;gap:30px;font-size:12.5px;color:rgba(29,29,31,.8)}.gn nav a:hover{color:var(--ink)}
.gn .gc{font-size:12.5px;color:var(--ink)}
.sn{position:sticky;top:0;z-index:39;height:var(--sn);background:rgba(255,255,255,.9);transform:translateZ(0);will-change:transform;-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);transition:background .4s,color .4s,box-shadow .4s}
.sn.stuck{box-shadow:0 1px 0 rgba(0,0,0,.08)}
.sn .wrap{height:100%;display:flex;align-items:center;gap:24px}
.sn .t{font-size:21px;font-weight:600;letter-spacing:-.03em;white-space:nowrap}
.sn .now{margin-right:auto;font-size:13px;color:var(--dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;opacity:0;transform:translateY(4px);transition:opacity .4s,transform .5s cubic-bezier(.16,.84,.24,1)}
.sn .now.on{opacity:1;transform:none}
.sn nav{display:flex;gap:24px;font-size:12.5px;color:rgba(29,29,31,.8);white-space:nowrap}.sn nav a:hover{color:var(--ink)}
.sn .pill{font-size:12.5px;font-weight:500;background:var(--blue);color:#fff;padding:5px 13px;border-radius:99px;white-space:nowrap}
.sn.dk{background:rgba(22,22,23,.92);color:#f5f5f7;box-shadow:none}.sn.dk nav{color:rgba(245,245,247,.75)}.sn.dk .now{color:#a1a1a6}
.prog{position:absolute;left:0;bottom:-1px;height:2px;width:100%;background:var(--blue);transform-origin:0 50%;transform:scaleX(0);will-change:transform}
.sn.dk .prog{background:var(--blue2)}

/* ---------- hero ---------- */
.ghero{padding:clamp(44px,7vh,92px) 0 0;text-align:center}
.crumbs{font-size:13px;color:var(--dim);letter-spacing:-.005em;margin-bottom:clamp(26px,4vh,44px)}
.crumbs a{color:var(--mute)}.crumbs a:hover{color:var(--blue)}
.ghero h1{font-size:clamp(40px,min(6vw,10.4vh),84px);line-height:1.03;letter-spacing:-.045em;max-width:13.5em;margin:0 auto}
.ghero h1 .g{background:linear-gradient(90deg,#0071e3,#2997ff 60%,#0071e3);-webkit-background-clip:text;background-clip:text;color:transparent;padding-bottom:.06em}
.ghero .lede{font-size:clamp(18px,1.6vw,22px);line-height:1.42;color:var(--mute);letter-spacing:-.012em;max-width:35em;margin:24px auto 0}
.ghero .meta{margin-top:20px;font-size:14px;color:var(--dim)}
.stage{text-align:left;position:relative;width:min(1180px,calc(100% - var(--gut)*2));margin:clamp(44px,7vh,80px) auto 0;height:clamp(440px,46vw,640px);border-radius:30px;background:var(--bg);overflow:hidden;transform-origin:50% 0;transform:scale(calc(.92 + .08 * var(--p,1)));will-change:transform}
.stage .cap{position:absolute;left:0;right:0;bottom:22px;text-align:center;font-size:12px;color:var(--dim)}

/* glass card, used in every visual */
.gl{background:rgba(255,255,255,.62);-webkit-backdrop-filter:blur(26px) saturate(180%);backdrop-filter:blur(26px) saturate(180%);box-shadow:inset 0 0 0 1px rgba(255,255,255,.75),0 24px 50px -26px rgba(16,32,64,.42);border-radius:22px}
.wc{background:#fff;border-radius:22px;box-shadow:0 0 0 1px rgba(0,0,0,.04),0 24px 50px -30px rgba(16,32,64,.35)}
.tile{display:block;border-radius:12px;background:#e8e8ea center/cover}
.cut{position:absolute;background:center/cover no-repeat;-webkit-mask-image:radial-gradient(closest-side,#000 78%,transparent);mask-image:radial-gradient(closest-side,#000 78%,transparent)}
.cut.nm{-webkit-mask-image:none;mask-image:none}

/* ---------- short version ---------- */
.keys{width:min(1060px,calc(100% - var(--gut)*2));margin:clamp(90px,14vh,150px) auto 0;display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(30px,6vw,90px);align-items:start}
.keys h2{font-size:clamp(34px,4vw,56px);line-height:1.04;position:sticky;top:calc(var(--sn) + 40px)}
.keys ul{list-style:none;counter-reset:k}
.keys li{counter-increment:k;position:relative;padding:22px 0 22px 52px;border-top:1px solid rgba(0,0,0,.1);font-size:clamp(18px,1.55vw,21px);line-height:1.42;letter-spacing:-.014em}
.keys li:last-child{border-bottom:1px solid rgba(0,0,0,.1)}
.keys li:before{content:counter(k,decimal-leading-zero);position:absolute;left:0;top:calc(22px + .4em);font-size:13px;font-weight:600;color:var(--blue);font-variant-numeric:tabular-nums}
.keys strong{font-weight:600}

/* ---------- reading layout ---------- */
.rd{width:min(1060px,calc(100% - var(--gut)*2));margin:0 auto;display:grid;grid-template-columns:var(--rail) minmax(0,1fr);column-gap:var(--rgap);padding:clamp(90px,14vh,150px) 0 0}
.toc{grid-column:1;grid-row:1;align-self:start;position:sticky;top:calc(var(--sn) + 36px);max-height:calc(100vh - var(--sn) - 60px);overflow:auto;scrollbar-width:none;transition:opacity .35s}
.toc::-webkit-scrollbar{display:none}
.toc.hide{opacity:0;pointer-events:none}
.toc>p{font-size:12px;font-weight:600;color:var(--dim);letter-spacing:.02em;margin-bottom:12px}
.toc ol{list-style:none;border-left:1px solid rgba(0,0,0,.1)}
.toc li a{display:block;padding:7px 0 7px 16px;margin-left:-1px;border-left:2px solid transparent;font-size:14px;line-height:1.3;color:var(--mute);letter-spacing:-.01em;transition:color .3s,border-color .3s}
.toc li a:hover{color:var(--ink)}
.toc li a.on{color:var(--ink);border-color:var(--ink);font-weight:500}
.toc-b{display:none}
article{grid-column:2;grid-row:1;min-width:0;counter-reset:h}
article>*{max-width:680px}
article>h2{counter-increment:h;font-size:clamp(30px,3.2vw,44px);line-height:1.08;margin:clamp(80px,11vh,120px) 0 22px;scroll-margin-top:calc(var(--sn) + 30px)}
article>h2:before{content:counter(h,decimal-leading-zero);display:block;font-size:14px;font-weight:600;letter-spacing:0;color:var(--blue);margin-bottom:12px;font-variant-numeric:tabular-nums}
article>h2:first-child{margin-top:0}
article h3{font-size:clamp(21px,1.9vw,25px);line-height:1.2;letter-spacing:-.03em;margin:44px 0 12px}
article>h2+h3{margin-top:30px}
article p,article li{font-size:19px;line-height:1.6;letter-spacing:-.012em}
article p{margin:0 0 20px}
article strong{font-weight:600}
article a:not(.btn){color:var(--blue);text-decoration:underline;text-decoration-color:rgba(0,113,227,.28);text-underline-offset:3px;text-decoration-thickness:1px;transition:text-decoration-color .2s}
article a:not(.btn):hover{text-decoration-color:var(--blue)}
article>ul,article>ol{margin:6px 0 26px;list-style:none}
article>ul>li{position:relative;padding:0 0 0 26px;margin:0 0 12px}
article>ul>li:before{content:"";position:absolute;left:4px;top:.66em;width:7px;height:7px;border-radius:50%;background:var(--ink)}
article>ol{counter-reset:o}
article>ol>li{counter-increment:o;position:relative;padding:14px 0 14px 54px;border-top:1px solid rgba(0,0,0,.08);margin:0}
article>ol>li:last-child{border-bottom:1px solid rgba(0,0,0,.08)}
article>ol>li:before{content:counter(o);position:absolute;left:0;top:14px;width:32px;height:32px;border-radius:50%;background:var(--bg);display:grid;place-items:center;font-size:14px;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums}
.callout{background:var(--bg);border-radius:26px;padding:clamp(26px,3.4vw,42px);margin:36px 0 34px}
.callout p{font-size:18px;line-height:1.55;margin:0 0 14px}
.callout p:last-child{margin:0}
.callout>p:first-child>strong:first-child{display:block;font-size:14px;font-weight:600;letter-spacing:-.005em;color:var(--blue);margin-bottom:8px}
/* spec tables */
.table{margin:34px 0 36px;max-width:none!important;overflow-x:auto;scrollbar-width:thin}
.table table{width:100%;border-collapse:collapse;font-size:16px;line-height:1.42;letter-spacing:-.01em}
.table th{text-align:left;font-size:13px;font-weight:600;color:var(--dim);padding:0 18px 12px 0;vertical-align:bottom;letter-spacing:0}
.table td{padding:16px 18px 16px 0;border-top:1px solid rgba(0,0,0,.1);vertical-align:top;color:var(--ink2)}
.table tr:last-child td{border-bottom:1px solid rgba(0,0,0,.1)}
.table td:first-child{font-weight:600;color:var(--ink);letter-spacing:-.015em}
.table tbody tr{transition:background .3s}
/* figures (presentation only) */
.fig{position:relative;margin:44px 0 46px;border-radius:28px;background:var(--bg);overflow:hidden}
.fig.wide,.band,.pq,.faq,.scn{max-width:none;margin-left:calc(-1 * (var(--rail) + var(--rgap)));position:relative;z-index:2}
.fig.wide{margin-top:64px;margin-bottom:64px}
.fig .fc,.fc{display:block;font-size:12.5px;color:var(--dim);letter-spacing:-.005em}
.fh{font-size:clamp(22px,2.2vw,30px);font-weight:600;letter-spacing:-.035em;line-height:1.12}
.fl{font-size:13px;font-weight:600;color:var(--blue);margin-bottom:6px;display:block}
/* stats band */
.band{margin-top:80px;margin-bottom:80px;border-radius:30px;background:#000;color:#f5f5f7;padding:clamp(48px,7vw,90px) clamp(28px,5vw,72px)}
.band .bh{font-size:clamp(26px,3vw,40px);font-weight:600;letter-spacing:-.035em;line-height:1.1;max-width:20em}
.band .bh span{color:#86868b}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px;margin-top:clamp(36px,6vh,64px)}
.stats.s2{grid-template-columns:repeat(2,minmax(0,1fr))}
.stat small{display:block;font-size:16px;font-weight:600;color:#a1a1a6;letter-spacing:-.01em}
.stat .n{display:block;font-size:clamp(44px,4.8vw,76px);font-weight:600;letter-spacing:-.055em;line-height:1;margin:10px 0 12px;background:linear-gradient(180deg,#fff 10%,#86868b);-webkit-background-clip:text;background-clip:text;color:transparent;padding-bottom:.05em;font-variant-numeric:tabular-nums;white-space:nowrap}
.stat .n.b{background:linear-gradient(120deg,#2997ff,#0071e3 70%);-webkit-background-clip:text;background-clip:text}
.stat .n em{font-style:normal;font-size:.36em;letter-spacing:-.03em;margin-left:.12em}
.stat p{font-size:16px;color:#a1a1a6;max-width:17em;line-height:1.42;margin:0}
.band .fc{margin-top:36px;color:#6e6e73}
/* pull quote: words light up as it passes */
.pq{margin-top:84px;margin-bottom:84px;padding:clamp(20px,4vh,40px) 0}
.pq p{font-size:clamp(28px,3.4vw,48px);line-height:1.14;font-weight:600;letter-spacing:-.037em;max-width:20em;margin:0}
.pq .w{color:#d2d2d7;transition:color .3s}.pq .w.lit{color:var(--ink)}
.pq .src{display:block;font-size:14px;font-weight:600;color:var(--dim);margin-top:20px;letter-spacing:-.005em}
/* sticky scenes */
.scn{margin-top:70px;margin-bottom:70px}
.scn .stick{position:sticky;top:var(--sn);height:calc(100vh - var(--sn));height:calc(100svh - var(--sn));display:flex;align-items:center}
/* FAQ */
.faq{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(30px,6vw,90px);align-items:start;margin-top:clamp(110px,16vh,170px);scroll-margin-top:calc(var(--sn) + 20px)}
.fq-l{position:sticky;top:calc(var(--sn) + 40px)}
.faq h2{font-size:clamp(36px,4.6vw,64px);line-height:1.04;margin:0}
.fq-im{margin-top:30px;border-radius:26px;aspect-ratio:1.3;background:url(/media/v2/as-faq.jpg) 50% 50%/cover}
.faq details{border-top:1px solid rgba(0,0,0,.1)}
.faq details:last-child{border-bottom:1px solid rgba(0,0,0,.1)}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 0;font-size:clamp(19px,1.7vw,23px);font-weight:600;letter-spacing:-.025em;line-height:1.22}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{width:30px;height:30px;border-radius:50%;background:var(--bg);flex-shrink:0;position:relative;transition:transform .45s cubic-bezier(.2,.7,.2,1),background .3s}
.faq summary i:before,.faq summary i:after{content:"";position:absolute;left:50%;top:50%;width:12px;height:1.75px;margin:-.875px 0 0 -6px;background:var(--ink);border-radius:2px}
.faq summary i:after{transform:rotate(90deg)}
.faq details[open] summary i{transform:rotate(45deg);background:#e8e8ed}
.faq details::details-content{height:0;overflow:clip;transition:height .5s cubic-bezier(.2,.7,.2,1),content-visibility .5s allow-discrete}
.faq details[open]::details-content{height:auto}
.faq details p{font-size:17px;line-height:1.55;color:var(--mute);padding:0 50px 26px 0;max-width:36em;margin:0}

/* ---------- CTA ---------- */
.gcta{margin-top:clamp(110px,16vh,170px);padding:clamp(100px,16vh,170px) 0 0;overflow:hidden}
.gcta .wrap{text-align:center}
.gcta h2{font-size:clamp(36px,5.2vw,76px);line-height:1.04;max-width:14em;margin:0 auto}
.gcta>.wrap>p:not(.cta-alt){font-size:clamp(18px,1.6vw,22px);line-height:1.42;color:#a1a1a6;max-width:34em;margin:22px auto 0;letter-spacing:-.012em}
.gcta .btn{margin-top:32px}
.gcta .cta-alt{margin-top:20px;font-size:15px;color:#86868b}
.gcta .cta-alt a{color:var(--blue2)}.gcta .cta-alt a:hover{text-decoration:underline}
.gcta .rings{width:min(760px,90vw);aspect-ratio:1376/768;margin:clamp(30px,6vh,60px) auto 0;background:url(/media/v2/as-rings.jpg) center/cover;-webkit-mask-image:radial-gradient(50% 50% at 50% 48%,#000 62%,transparent 100%);mask-image:radial-gradient(50% 50% at 50% 48%,#000 62%,transparent 100%);transform:scale(calc(.84 + .16 * var(--p,1)));opacity:calc(.2 + .8 * var(--p,1))}

/* ---------- keep reading carousel ---------- */
.more{padding:clamp(100px,15vh,160px) 0 clamp(80px,12vh,130px)}
.rowhd{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:clamp(28px,4vh,48px)}
.rowhd h2{font-size:clamp(36px,5.2vw,64px);line-height:1.04}
.car{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:6px max(var(--gut),calc((100% - 1180px)/2)) 30px;scroll-padding:0 max(var(--gut),calc((100% - 1180px)/2));list-style:none}
.car::-webkit-scrollbar{display:none}
.car>li{flex:0 0 clamp(290px,calc((min(1180px,100vw - 44px) - 40px)/3),390px);scroll-snap-align:start;display:flex}
.card{position:relative;width:100%;height:clamp(500px,64vh,580px);border-radius:28px;background:var(--bg);overflow:hidden;display:flex;flex-direction:column;padding:32px 30px 0;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.card:hover{transform:scale(1.012)}
.card.k{background:#000;color:#f5f5f7}
.card small.s{font-size:14px;font-weight:600;color:var(--mute)}.card.k small.s{color:#a1a1a6}
.card .ct{display:block;font-size:clamp(23px,2vw,28px);line-height:1.12;letter-spacing:-.035em;font-weight:600;margin-top:6px}
.card .ct small,.card .ct span{display:block;font-size:16px;line-height:1.4;letter-spacing:-.01em;font-weight:400;color:var(--mute);margin-top:10px}
.card.k .ct small,.card.k .ct span{color:#a1a1a6}
.card .vis{flex:1;min-height:0;position:relative;display:flex;align-items:center;justify-content:center;padding:18px 0 74px}
.plus{position:absolute;right:22px;bottom:22px;width:38px;height:38px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;transition:transform .3s;z-index:2}
.plus svg{width:14px;height:14px}
.card:hover .plus{transform:scale(1.08)}
.card.k .plus{background:#f5f5f7;color:var(--ink)}
.paddles{display:flex;gap:12px}
.paddles button{width:38px;height:38px;border-radius:50%;background:#e8e8ed;color:var(--ink);display:grid;place-items:center;transition:opacity .3s}
.paddles button:disabled{opacity:.4;cursor:default}
.paddles svg{width:14px;height:14px}
.paddles.off{display:none}
.grey .paddles button{background:#e3e3e8}
.grey .card{background:#fff}.grey .card.k{background:#000}

/* ---------- mini visuals (cards + hub) ---------- */
.mv{position:relative;width:100%;max-width:300px;display:flex;flex-direction:column;gap:10px}
.mv .row{display:flex;gap:8px;align-items:center}
.mv .tl{width:58px;height:58px;border-radius:12px;background:#e8e8ea center/cover;flex-shrink:0}
.mv .pillx{font-size:12px;font-weight:600;padding:6px 11px;border-radius:99px;background:#fff;color:var(--ink2);white-space:nowrap}
.mv .pillx.on{background:var(--ink);color:#fff}
.mv .pillx.b{background:var(--blue);color:#fff}
.mv .bar{height:8px;border-radius:8px;background:#e3e3e8;overflow:hidden}
.mv .bar i{display:block;height:100%;border-radius:8px;background:var(--blue);transform-origin:0 50%;transform:scaleX(.2);transition:transform 1.6s cubic-bezier(.2,.7,.2,1) .3s}
.in .mv .bar i,.mv.in .bar i{transform:scaleX(var(--w,.8))}
.mv .box{background:#fff;border-radius:18px;padding:14px 16px;box-shadow:0 18px 40px -26px rgba(16,32,64,.35)}
.card.k .mv .box{background:#1c1c1e;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.mv .lbl{font-size:11.5px;font-weight:600;color:var(--dim)}
.mv .big{font-size:22px;font-weight:600;letter-spacing:-.035em;line-height:1.1}
.mv .sm{font-size:12.5px;color:var(--mute)}
.card.k .mv .sm{color:#a1a1a6}

/* ---------- footer (same as leak check) ---------- */
footer{background:var(--bg);font-size:12px;color:var(--mute);padding:0 0 40px;line-height:1.5}
footer .wrap{border-top:1px solid #d2d2d7;padding-top:18px;display:flex;flex-direction:column;gap:12px}
footer nav{display:flex;flex-wrap:wrap;gap:6px 20px}footer a{color:var(--ink2)}footer a:hover{text-decoration:underline}
footer .ind span{color:var(--dim)}
.more+footer .wrap,.grey+footer .wrap{border-top:1px solid #d2d2d7}

/* ---------- tablet ---------- */
@media (max-width:1068px){
 :root{--rail:0px;--rgap:0px}
 .rd{grid-template-columns:minmax(0,1fr);padding-top:clamp(70px,10vh,110px)}
 .toc{position:static;grid-column:1;grid-row:auto;max-height:none;overflow:visible;background:var(--bg);border-radius:22px;padding:20px 22px;max-width:680px;margin-bottom:60px}
 .toc-b{display:flex;width:100%;align-items:center;justify-content:space-between;font-size:15px;font-weight:600;letter-spacing:-.015em;color:var(--ink)}
 .toc-b i{width:26px;height:26px;border-radius:50%;background:#fff;position:relative;transition:transform .4s cubic-bezier(.2,.7,.2,1)}
 .toc-b i:before,.toc-b i:after{content:"";position:absolute;left:50%;top:50%;width:10px;height:1.6px;margin:-.8px 0 0 -5px;background:var(--ink);border-radius:2px}
 .toc-b i:after{transform:rotate(90deg)}
 .toc.open .toc-b i{transform:rotate(45deg)}
 .toc>p{display:none}
 .toc ol{border:0;display:grid;grid-template-rows:0fr;transition:grid-template-rows .5s cubic-bezier(.2,.7,.2,1)}
 .toc ol>div{overflow:hidden}
 .toc.open ol{grid-template-rows:1fr}
 .toc li a{border:0;padding:9px 0;margin:0;font-size:15px}
 .toc li:first-child a{margin-top:10px}
 .no-js .toc ol,.toc.nojs ol{grid-template-rows:1fr}
 article{grid-column:1;grid-row:auto}
 article>*{margin-left:auto!important;margin-right:auto!important}
 .fig.wide,.band,.pq,.faq,.scn{margin-left:0;max-width:none}
 .keys{grid-template-columns:1fr;gap:18px}.keys h2{position:static}
 .car>li{flex-basis:clamp(290px,44vw,390px)}
}
/* ---------- phone ---------- */
@media (max-width:734px){
 :root{--sn:48px;--gut:16px}
 .gn nav{display:none}
 .sn .t{font-size:17px}.sn nav{display:none}.sn .wrap{gap:14px}
 .sn .now{font-size:12px}
 .ghero{padding-top:30px}
 .crumbs{font-size:12px;margin-bottom:22px}
 .ghero h1{font-size:clamp(34px,9.6vw,44px);line-height:1.05}
 .ghero .lede{font-size:17px;margin-top:16px}
 .ghero .meta{font-size:13px}
 .stage{height:min(560px,128vw);border-radius:24px;margin-top:36px}
 .keys{margin-top:80px}
 .keys li{padding:18px 0 18px 40px;font-size:17px}.keys li:before{top:calc(18px + .35em)}
 .toc{margin-bottom:44px;border-radius:20px;padding:16px 18px}
 article>h2{font-size:29px;margin-top:76px}
 article h3{font-size:21px;margin-top:36px}
 article p,article li{font-size:17.5px;line-height:1.58}
 article>ol>li{padding-left:46px}
 article>ol>li:before{width:30px;height:30px;font-size:13px}
 .callout{border-radius:22px;padding:22px 20px}
 .callout p{font-size:16.5px}
 .table{overflow:visible}
 .table thead{display:none}
 .table table,.table tbody,.table tr,.table td{display:block;width:100%}
 .table tr{background:var(--bg);border-radius:18px;padding:16px 18px;margin-bottom:10px}
 .table td{border:0!important;padding:3px 0;font-size:15px}
 .table td:first-child{font-size:17px;padding-bottom:6px}
 .table td[data-label]:not(:first-child):before{content:attr(data-label);display:block;font-size:12px;font-weight:600;color:var(--dim);margin-top:6px}
 .fig{border-radius:22px;margin:36px 0 38px}
 .fig.wide{margin:48px 0}
 .band{border-radius:24px;padding:44px 22px;margin:60px 0}
 .stats,.stats.s2{grid-template-columns:1fr;gap:34px}
 .stat .n{font-size:64px}
 .pq{margin:60px 0}
 .pq p{font-size:27px;line-height:1.18}
 .faq{grid-template-columns:1fr;gap:8px}.fq-l{position:static}.fq-im{display:none}
 .faq summary{padding:20px 0;font-size:19px}
 .faq details p{padding-right:0;font-size:16.5px}
 .gcta h2{font-size:34px}
 .rowhd{display:block}.paddles{margin-top:18px}
 .car>li{flex-basis:84vw}
 .card{height:470px;padding:26px 24px 0;border-radius:24px}
}
@media (max-width:734px) and (max-height:600px){
 .gn{height:40px}
 .ghero{padding-top:18px}.crumbs{margin-bottom:12px}
 .ghero h1{font-size:30px}
 .ghero .lede{font-size:15.5px;line-height:1.38;margin-top:10px}
 .ghero .meta{margin-top:10px}
 .stage{height:340px;margin-top:22px}
 .card{height:400px}.card .vis{padding:10px 0 66px}
}
@media (prefers-reduced-motion:reduce){
 .js .rv{opacity:1;transform:none;transition:none}
 .stage{transform:none}
 .faq details::details-content{transition:none}
 *,*:before,*:after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}
}

/* ---------- shared visual components ---------- */
.fig{padding:clamp(28px,4vw,48px)}
.fig .fh{margin-bottom:26px;max-width:18em}
/* notification */
.ntf{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border-radius:20px;background:rgba(255,255,255,.66);-webkit-backdrop-filter:blur(26px) saturate(180%);backdrop-filter:blur(26px) saturate(180%);box-shadow:inset 0 0 0 1px rgba(255,255,255,.7),0 18px 40px -24px rgba(16,32,64,.4);text-align:left}
.ntf .ic{width:36px;height:36px;border-radius:10px;background:#fff;display:grid;place-items:center;flex-shrink:0;box-shadow:inset 0 0 0 1px rgba(0,0,0,.06)}
.ntf .ic img{width:22px;height:22px}
.ntf>div{min-width:0;flex:1}
.ntf small{display:flex;justify-content:space-between;gap:10px;font-size:11.5px;color:var(--dim)}
.ntf b{display:block;font-size:14px;letter-spacing:-.015em;margin:1px 0;line-height:1.25}
.ntf div>span{font-size:12.5px;color:var(--mute);line-height:1.35;display:block}
.ntf.d{background:rgba(255,255,255,.1);box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
.ntf.d .ic{background:#1c1c1e;box-shadow:inset 0 0 0 1px rgba(255,255,255,.1)}
.ntf.d small,.ntf.d div>span{color:#a1a1a6}.ntf.d b{color:#f5f5f7}
/* phone */
.ph{position:relative;width:280px;aspect-ratio:9/19.2;border-radius:48px;background:#1d1d1f;padding:10px;box-shadow:inset 0 0 0 1.5px #3a3a3c,0 40px 80px -40px rgba(16,32,64,.55)}
.ph:before{content:"";position:absolute;left:50%;top:20px;width:84px;height:24px;margin-left:-42px;border-radius:14px;background:#000;z-index:3}
.ph-s{position:relative;height:100%;border-radius:39px;overflow:hidden;background:#fff;color:var(--ink);text-align:left}
/* A/B flip bars */
.fbw{background:var(--bg)}
.fb-r{display:grid;grid-template-columns:150px minmax(0,1fr) minmax(0,1fr);gap:18px;align-items:end;padding:22px 0;border-top:1px solid rgba(0,0,0,.08)}
.fb-r:last-child{border-bottom:1px solid rgba(0,0,0,.08)}
.fb-m{font-size:15px;font-weight:600;letter-spacing:-.015em;align-self:center}
.fb-b{position:relative;height:120px;display:flex;flex-direction:column;justify-content:flex-end}
.fb-b i{display:block;width:100%;height:100%;border-radius:12px 12px 4px 4px;background:#d2d2d7;transform-origin:50% 100%;transform:scaleY(calc(var(--v) * clamp(0,(var(--p,1) - .05) / .6,1)))}
.fb-b.w i{background:linear-gradient(180deg,#2997ff,#0071e3)}
.fb-b b{position:absolute;left:14px;top:12px;font-size:clamp(20px,2.2vw,30px);font-weight:600;letter-spacing:-.04em;font-variant-numeric:tabular-nums;color:var(--ink)}
.fb-b small{position:absolute;right:14px;top:16px;font-size:12px;font-weight:600;color:var(--dim)}
.fb-n{margin-top:18px}
@media (max-width:734px){
 .fb-r{grid-template-columns:1fr 1fr;gap:10px}.fb-m{grid-column:1/-1}
 .fb-b{height:96px}
 .ph{width:230px;border-radius:40px;padding:8px}.ph-s{border-radius:33px}.ph:before{top:16px;width:70px;height:20px;margin-left:-35px}
}
/* mini visuals, per guide */
.mv .lad{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.mv .lad .box{padding:10px;display:flex;flex-direction:column;gap:2px;text-align:left}
.mv .lad .tl{width:100%;height:auto;aspect-ratio:1;margin-bottom:6px}
.mv .lad .box.on{box-shadow:0 0 0 2px var(--blue),0 18px 40px -26px rgba(16,32,64,.35)}
.mv .lad .big{font-size:19px}
.mv-nt{gap:8px}.mv-nt .ntf{padding:10px 12px}.mv-nt .ntf b{font-size:13px}
.card.k .mv-nt .ntf{background:rgba(255,255,255,.1);box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}.card.k .mv-nt .ntf b{color:#f5f5f7}.card.k .mv-nt .ntf .ic{background:#1c1c1e}
.mv .ab2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mv .ab2 .box{display:flex;flex-direction:column;gap:4px}
.mv .ab2 .box.w{box-shadow:0 0 0 2px var(--blue),0 18px 40px -26px rgba(16,32,64,.35)}
.mv .pg{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin:6px 0 8px}.mv .pg i{aspect-ratio:1;border-radius:6px;background:#e8e8ed}
.card.k .mv .pg i{background:#3a3a3c}
.mv .pg.b{grid-template-columns:1fr}.mv .pg.b i{aspect-ratio:2.1}
.mv .ab2 .w .big{color:var(--blue)}
.tlx{list-style:none;position:relative;padding-left:22px;display:flex;flex-direction:column;gap:12px;margin-top:6px}
.tlx:before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:#d2d2d7}
.tlx li{position:relative;font-size:13px;color:var(--mute);text-align:left}
.tlx li:before{content:"";position:absolute;left:-22px;top:3px;width:12px;height:12px;border-radius:50%;background:#fff;box-shadow:inset 0 0 0 2px var(--blue)}
.tlx b{display:block;font-size:15px;color:var(--ink);letter-spacing:-.02em}
.card.k .tlx b{color:#f5f5f7}.card.k .tlx li{color:#a1a1a6}.card.k .tlx:before{background:#3a3a3c}.card.k .tlx li:before{background:#000}
.mv .cal{padding:16px}
.mv .cal b{font-size:15px;letter-spacing:-.02em}
.cg{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-top:10px;font-size:12px;text-align:center;font-variant-numeric:tabular-nums}
.cg span{height:26px;display:grid;place-items:center;border-radius:8px;color:var(--ink2)}
.cg .h{color:var(--dim);font-weight:600;font-size:11px;height:18px}
.cg .on{background:var(--blue);color:#fff;font-weight:600}.cg .on2{box-shadow:inset 0 0 0 1.5px var(--blue);color:var(--blue);font-weight:600}
.card.k .cg span{color:#d2d2d7}
.mv-bu .tl{width:70px;height:70px}.mv .pls{font-size:18px;color:var(--dim);font-weight:500}
.mv .rng{display:grid;grid-template-columns:1fr 1fr 1fr 1.2fr;gap:3px;height:10px}
.mv .rng i{border-radius:3px;background:#d2d2d7}.mv .rng i.b{background:#86868b}.mv .rng i.b2{background:var(--blue)}
.mv .rl{display:grid;grid-template-columns:1fr 1fr 1fr 1.2fr;font-size:11px;color:var(--dim);margin-top:6px}
.mv .rl span{text-align:right;transform:translateX(50%)}
.mv .lp2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mv .lp2 .box{display:flex;flex-direction:column;gap:7px;min-height:220px;text-align:left}
.mv .lp2 .box.on{box-shadow:0 0 0 2px var(--blue),0 18px 40px -26px rgba(16,32,64,.35)}
.mv .lp2 .im{display:block;aspect-ratio:1.2;border-radius:10px;background:#eee center/cover}
.mv .ln{display:block;height:7px;border-radius:4px;background:#e8e8ed;width:90%}.mv .ln.s{width:60%}
.mv .bt{display:block;height:22px;border-radius:99px;background:var(--ink);margin-top:auto}.mv .bt.b{background:var(--blue)}
.mv .oh{font-size:17px;letter-spacing:-.03em;line-height:1.1}
.mv .sp .co{display:block;margin-top:12px;text-align:center;background:var(--blue);color:#fff;border-radius:99px;font-size:12.5px;font-weight:600;padding:8px}
.card.k .mv .sp .big,.card.k .mv .big{color:#f5f5f7}
.mv-wv{align-items:center}
.mv-wv .tiles{display:grid;grid-template-columns:repeat(3,70px);gap:9px}
.mv-wv .tiles i{width:70px;height:70px;border-radius:13px;background:#eee center/cover}
.mv-wv .ex{position:absolute;right:-6px;bottom:-26px;display:flex;align-items:center;gap:7px;color:var(--mute);box-shadow:0 8px 20px -10px rgba(0,0,0,.25)}
.mv-wv .ex:before{content:"";width:7px;height:7px;border-radius:50%;background:#b4b4b9}
.card.k .mv .pillx:not(.on):not(.b){background:#2c2c2e;color:#d2d2d7}
.card.k .mv .pillx.on{background:#f5f5f7;color:var(--ink)}
.mv .lbl.t{color:var(--ink)}.card.k .mv .lbl.t{color:#f5f5f7}