/* ROBIN · 知更 — 01 Product Introduction (keynote scroll narrative)
   Depends on robin.css tokens. Everything here is page-local. */
:root{
  --gut:24px; --screen:100vh;
  --dk:#0E1012; --on-dk:#EDEAE4; --on-dk-2:#A7ACB1; --on-dk-3:#6F757B;
  --dn-lt:#62C08F; --up-lt:#EE7F74;
}
@supports (height:100svh){:root{--screen:100svh}}
html.static{--screen:900px}
@media (max-width:760px){:root{--gut:16px} html.static{--screen:844px}}
html{scroll-behavior:auto}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{font-size:16px}

.wrap{width:min(1240px,calc(100% - 2*var(--gut)));margin-inline:auto}
.sec{position:relative;overflow:hidden}
.full{min-height:var(--screen)}
.ln{display:block}
.en{font-family:var(--en);font-style:italic;font-weight:400;letter-spacing:0}
.lede{font-size:clamp(15.5px,1.1vw,17px);line-height:1.85;color:var(--ink-2);max-width:34em;text-wrap:pretty;letter-spacing:.01em}
.rb-c{color:var(--robin);font-weight:inherit}
.sage-c{color:var(--sage-2);font-style:normal}
.dn{color:var(--down)} .upc{color:var(--up)}
.dk{background:var(--dk);color:var(--on-dk)}
.dk .dn{color:var(--dn-lt)}
.dk .saycard .dn{color:var(--down)}
.eyebrow.on-dk{color:var(--on-dk-3)}
.lede.on-dk{color:var(--on-dk-2)}
em{font-style:normal}

/* headline scale — editorial, not shouting: 思源宋体 500–600, airy tracking, ~1.3 leading */
.h-hero{font-size:clamp(36px,5.2vw,68px);line-height:1.28;letter-spacing:.03em;font-weight:600}
.h-sec{font-size:clamp(28px,3.6vw,46px);line-height:1.36;letter-spacing:.02em;font-weight:600}
.h-big{font-size:clamp(32px,4.3vw,56px);line-height:1.32;letter-spacing:.02em;font-weight:600}
.h-state{font-size:clamp(24px,2.5vw,34px);line-height:1.5;letter-spacing:.02em;font-weight:500}
.h-sub{font-size:clamp(22px,2.2vw,30px);line-height:1.45;letter-spacing:.02em;font-weight:600}
.h-fin{font-size:clamp(32px,4.2vw,56px);line-height:1.12;letter-spacing:-.01em;font-weight:400}
.h-sec .num,.h-big .num,.h-hero .num{font-family:var(--en);font-weight:400;letter-spacing:0}
.h-sec .rb-c,.h-big .rb-c{font-family:var(--en);font-weight:400;letter-spacing:.06em;font-size:.9em}
.h-sec .muted,.h-sec.muted{color:var(--ink-3)}

/* reveal (extends shared [data-fx]) */
[data-fx]{transition:opacity .9s var(--ease) var(--d,0s),transform 1s var(--ease) var(--d,0s),filter .9s var(--ease) var(--d,0s)}
[data-fx="line"]{transform:translateY(.32em);filter:blur(8px)}
[data-fx].in{filter:none}
html.static [data-fx],html.fx-fallback [data-fx]{opacity:1;transform:none;filter:none;transition:none}
@media (prefers-reduced-motion:reduce){[data-fx]{filter:none!important}}

/* ---------- full-bleed media ---------- */
.media{position:absolute;inset:0;overflow:hidden;z-index:0;background:var(--paper-2)}
.mlayer{position:absolute;left:0;right:0;top:-7%;height:114%;background:center/cover no-repeat;will-change:transform}
.bgv{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;max-width:none}
.veil{position:absolute;inset:0;z-index:1;pointer-events:none}
.sec>.wrap,.sec>.scroll-cue{position:relative;z-index:2}
.k1 .mlayer{background-image:url(../assets/img/k1-hero.jpg)}
.k2 .mlayer{background-image:url(../assets/img/k2-noise.jpg)}
.k3 .mlayer{background-image:url(../assets/img/k3-phonedown.jpg)}
.k4 .mlayer{background-image:url(../assets/img/k4-robin.jpg)}
.k7 .mlayer{background-image:url(../assets/img/k7-dusk.jpg)}
@media (max-width:760px){
  .k1 .mlayer{background-image:url(../assets/img/k1-hero-sm.jpg)}
  .k2 .mlayer{background-image:url(../assets/img/k2-noise-sm.jpg)}
  .k3 .mlayer{background-image:url(../assets/img/k3-phonedown-sm.jpg)}
  .k4 .mlayer{background-image:url(../assets/img/k4-robin-sm.jpg)}
  .k7 .mlayer{background-image:url(../assets/img/k7-dusk-sm.jpg)}
}
html.static .mlayer{transform:none!important}

/* ---------- 1 · hero ---------- */
.hero{display:flex;align-items:center;justify-content:center;text-align:center;padding:120px 0 130px}
.hero-in{display:flex;flex-direction:column;align-items:center}
.hero-mark{width:68px;height:68px;margin-bottom:26px}
.hero .eyebrow{margin-bottom:24px}
.hero-en{font-size:clamp(18px,1.65vw,23px);margin-top:18px;color:var(--ink-2)}
.hero-lede{margin-top:22px;max-width:31em;text-wrap:balance}
.ctas{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:36px}
.ctas .btn{height:48px;padding:0 26px;font-size:15px;letter-spacing:.02em}
.ctas .btn.ghost{background:rgba(255,253,249,.5);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.meta{margin-top:26px;font-size:12px;color:var(--ink-3);letter-spacing:.03em}
.v-hero{background:
  radial-gradient(ellipse 62% 58% at 50% 50%,rgba(246,242,234,.86) 0%,rgba(246,242,234,.6) 55%,rgba(246,242,234,.28) 100%),
  linear-gradient(180deg,rgba(246,242,234,.3) 0%,rgba(246,242,234,0) 30%,rgba(246,242,234,0) 72%,var(--paper) 100%)}
.scroll-cue{position:absolute!important;left:50%;bottom:26px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;font-size:11px;color:var(--ink-3);letter-spacing:.2em}
.scroll-cue i{display:block;width:1px;height:38px;background:linear-gradient(var(--ink-3),rgba(139,144,151,0));transform-origin:top;animation:cue 2.4s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0);opacity:1}55%{transform:scaleY(1);opacity:1}100%{transform:scaleY(1);opacity:0}}

/* ---------- 2 · the noise ---------- */
.noise{padding:150px 0 120px}
.noise .k2 .mlayer{background-position:center 30%}
.v-noise{background:linear-gradient(180deg,rgba(14,16,18,.9) 0%,rgba(14,16,18,.74) 30%,rgba(14,16,18,.8) 60%,var(--dk) 100%)}
.noise .h-sec{margin-top:18px}
.noise .lede{margin-top:20px}
.flow{list-style:none;padding:0;margin:64px 0 0;display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:18px;align-items:start}
.farrow{align-self:center;color:var(--on-dk-3);font-size:22px;margin-top:-34px}
.fscr{height:236px;border-radius:22px;padding:18px 18px 16px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.1);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);overflow:hidden;position:relative}
.fs-hd{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--on-dk-2)}
.fs-hd .bar{display:block;height:10px;border-radius:5px;background:rgba(255,255,255,.22)}
.fs-big{font-size:30px;font-weight:500;letter-spacing:-.01em;line-height:1.1;margin:8px 0 6px}
.fs-rows div{display:flex;justify-content:space-between;align-items:center;height:24px;margin-top:4px}
.fs-rows i{display:block;height:8px;border-radius:4px;background:rgba(255,255,255,.14)}
.pill{font-size:11px;font-weight:600;padding:2px 7px;border-radius:5px;color:#fff!important;min-width:52px;text-align:center}
.pill.up{background:var(--up)} .pill.dn{background:var(--down)}
.fs-spark{width:100%;height:66px;margin:12px 0 10px}
.fs-spark path{fill:none;stroke:var(--dn-lt);stroke-width:2;vector-effect:non-scaling-stroke}
.fs-tabs{display:flex;gap:14px;font-size:11.5px;color:var(--on-dk-3);border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:7px}
.fs-tabs .on{color:var(--on-dk);box-shadow:0 8px 0 -6px var(--robin)}
.fs-lines i{display:block;height:7px;border-radius:4px;background:rgba(255,255,255,.1);margin-top:10px}
.fs-report p{font-size:12.5px;line-height:1.78;color:var(--on-dk-2);margin-top:10px}
.fs-report u{text-decoration:underline dotted rgba(255,255,255,.4);text-underline-offset:3px;color:var(--on-dk)}
.fs-report::after{content:"";position:absolute;left:0;right:0;bottom:0;height:56px;background:linear-gradient(rgba(22,24,27,0),rgba(22,24,27,.92))}
.fcap{margin-top:14px;font-size:15px;color:var(--on-dk);font-family:var(--serif);font-weight:500;letter-spacing:.02em}
.fcap .mono{font-size:11px;color:var(--on-dk-3);margin-right:10px;font-weight:400}
.stats{display:grid;grid-template-columns:repeat(3,1fr);margin-top:80px;border-top:1px solid rgba(255,255,255,.12)}
.stat{padding:28px 24px 0 0}
.stat+.stat{padding-left:28px;border-left:1px solid rgba(255,255,255,.08)}
.stat b{display:block;font-family:var(--en);font-size:clamp(38px,4.2vw,56px);font-weight:400;letter-spacing:-.01em;line-height:1.1}
.stat:last-child b{color:var(--on-dk-2);font-family:var(--serif);font-weight:500;font-size:clamp(30px,3.3vw,44px);letter-spacing:.04em;padding-top:.12em}
.stat span{display:block;margin-top:12px;font-size:14.5px;color:var(--on-dk-2);letter-spacing:.02em}

/* ---------- 2b · jargon collapse ---------- */
.jargon{padding:30px 0 120px}
.jstage{position:relative;width:min(1240px,calc(100% - 2*var(--gut)));margin-inline:auto}
.jcap{text-align:center;font-size:15px;color:var(--on-dk-2);margin-bottom:24px;font-family:var(--serif);letter-spacing:.04em}
.jcloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:900px;margin:0 auto}
.jchip{display:inline-block}
.jchip>span{display:inline-flex;align-items:center;height:34px;padding:0 15px;border-radius:999px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.1);color:#B9BEC3;font-size:13.5px;letter-spacing:.02em;white-space:nowrap;animation:jdrift 7s ease-in-out infinite alternate}
.jchip.lg>span{height:40px;padding:0 18px;font-size:16px;color:#E2E4E6;background:rgba(255,255,255,.08);font-family:var(--serif);font-weight:500}
.jchip:nth-child(2n)>span{animation-duration:9s;animation-delay:-2s}
.jchip:nth-child(3n)>span{animation-duration:8s;animation-delay:-5s;animation-direction:alternate-reverse}
.jchip:nth-child(5n)>span{animation-duration:11s;animation-delay:-1s}
@keyframes jdrift{0%{transform:translate(0,0)}100%{transform:translate(7px,-9px)}}
.jsay{margin:64px auto 0;max-width:760px;text-align:center}
.jsay-in{width:min(740px,100%)}
.saycard{margin-top:18px;text-align:left;background:var(--card);color:var(--ink);border-radius:24px;padding:26px 28px;display:grid;grid-template-columns:46px 1fr;gap:18px;box-shadow:0 40px 90px -40px rgba(0,0,0,.7),inset 0 0 0 1px rgba(224,99,46,.28)}
.saycard .mark{width:46px;height:46px}
.saycard .mark{--mw:4.4}
.saycard p{font-family:var(--serif);font-size:clamp(17px,1.45vw,20px);line-height:1.75;font-weight:500;letter-spacing:.02em}
.saycard p .num{font-family:var(--en);font-weight:400;letter-spacing:0}
.saycard .srcs{grid-column:2;margin-top:0}
.srcs{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}
.srcs span{font-family:var(--mono);font-size:10.5px;letter-spacing:.02em;color:var(--ink-3);background:var(--paper-2);padding:3px 8px;border-radius:6px;white-space:nowrap}
.j-pinned .jargon{padding:0}
.j-pinned .jstage{height:100vh;width:100%}
.j-pinned .jcap{position:absolute;top:92px;left:0;right:0;margin:0;z-index:2}
.j-pinned .jcloud{position:absolute;inset:150px 5% 70px;max-width:none;display:block;margin:0}
.j-pinned .jchip{position:absolute;left:var(--x);top:var(--y);translate:-50% -50%}
.j-pinned .jsay{position:absolute;inset:0;margin:0;max-width:none;display:flex;flex-direction:column;align-items:center;justify-content:center;pointer-events:none;padding-top:40px}
.j-pinned .jsay-in{pointer-events:auto}

/* ---------- 3 · the turn ---------- */
.turn{display:flex;align-items:center;padding:120px 0}
.k3 .mlayer{background-position:62% center}
.v-turn{background:linear-gradient(90deg,rgba(246,242,234,.95) 0%,rgba(246,242,234,.84) 30%,rgba(246,242,234,.3) 58%,rgba(246,242,234,0) 76%),linear-gradient(180deg,var(--paper) 0%,rgba(246,242,234,0) 14%,rgba(246,242,234,0) 86%,var(--paper) 100%)}
.turn .h-big{margin-top:18px}
.turn .lede{max-width:22em;margin-top:24px}

/* ---------- 4 · how it's different ---------- */
.diff{padding:150px 0 140px}
.diff .h-sec{margin-top:18px}
.ctable{margin-top:64px;display:grid;grid-template-columns:minmax(150px,.85fr) repeat(3,1fr) 1.3fr}
.crow{display:contents}
.crow>span{padding:20px 20px;border-bottom:1px solid var(--hair);font-size:15px;color:var(--ink-2);line-height:1.6;display:flex;align-items:center}
.crow>span:first-child{padding-left:0}
.chead>span{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--ink-3);padding-top:18px;padding-bottom:16px;font-weight:400;align-items:flex-end}
.crow .c0{font-family:var(--serif);font-weight:600;color:var(--ink);font-size:15.5px;letter-spacing:.02em}
.crow .rb{background:var(--robin-tint);color:var(--ink);border-bottom-color:rgba(224,99,46,.14);padding-left:24px;padding-right:24px}
.crow .rb b{font-weight:500;color:var(--ink)}
.chead .rb{border-radius:20px 20px 0 0;color:var(--robin-2);font-family:var(--en);font-weight:400;font-size:13px;gap:10px;letter-spacing:.2em;padding-top:22px}
.chead .rb .mark{width:24px;height:24px}
.crow .rb.bot{border-radius:0 0 20px 20px;border-bottom:0}

/* ---------- 5 · five capabilities ---------- */
.cap{padding:150px 0 130px}
.cap .h-sec{margin-top:18px}
.cap-head{margin-bottom:64px}
.cap-en{font-size:clamp(15px,1.3vw,18px);color:var(--ink-3);margin-top:16px;letter-spacing:.01em}
.en .ar{font-family:var(--sans);font-style:normal;font-size:.8em;margin:0 .5em;opacity:.55;vertical-align:.08em}
.cap-tabs{display:none}
.cap-stage{display:flex;flex-direction:column;gap:20px}
.cap-step{display:grid;grid-template-columns:1fr 1.08fr;gap:56px;align-items:center;padding:48px 52px;background:var(--card);border-radius:30px;box-shadow:var(--shadow)}
.cs-no{font-size:11px;color:var(--ink-3);letter-spacing:.14em}
.cs-word{font-family:var(--en);font-size:clamp(40px,5vw,64px);font-weight:400;letter-spacing:-.015em;line-height:1.05;margin:16px 0 22px}
.cs-zh{font-family:var(--serif);font-size:clamp(17px,1.35vw,19px);font-weight:600;line-height:1.6;color:var(--ink);letter-spacing:.02em}
.cs-desc{font-size:15.5px;color:var(--ink-2);margin-top:12px;max-width:25em;line-height:1.85}
.panel{background:var(--paper);border-radius:18px;padding:16px 20px;box-shadow:inset 0 0 0 1px var(--hair-2)}
.pn-hd{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--ink-3);padding-bottom:8px}
.pn-hd b{color:var(--ink);font-size:14px;font-weight:600;font-family:var(--serif);letter-spacing:.02em}
.wrow{display:grid;grid-template-columns:8px auto 1fr;gap:12px;align-items:center;padding:11px 0;border-top:1px solid var(--hair-2);font-size:14px}
.wrow em{text-align:right;color:var(--ink-3);font-size:13px}
.wrow em b{color:var(--ink);font-weight:600}
.dot{width:7px;height:7px;border-radius:50%;background:var(--sage);animation:sagePulse 2.2s infinite}
.wrow:nth-child(3) .dot{animation-delay:.4s}.wrow:nth-child(4) .dot{animation-delay:.8s}.wrow:nth-child(5) .dot{animation-delay:1.2s}
@keyframes sagePulse{0%{box-shadow:0 0 0 0 rgba(124,152,133,.5)}70%{box-shadow:0 0 0 7px rgba(124,152,133,0)}100%{box-shadow:0 0 0 0 rgba(124,152,133,0)}}
.rline{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start;margin-top:14px;background:var(--card);border-radius:16px;padding:14px 16px;box-shadow:var(--shadow),inset 0 0 0 1px rgba(224,99,46,.16)}
.rline .mark{width:34px;height:34px}
.rline p{font-size:15px;line-height:1.75;padding-top:4px}
.rline.calm{box-shadow:var(--shadow),inset 0 0 0 1px rgba(124,152,133,.3);background:linear-gradient(180deg,#F7FAF7,#FFFDF9)}
.rline.big{margin:0 0 14px}
.rline.big p{font-family:var(--serif);font-size:clamp(16px,1.3vw,18px);font-weight:500;line-height:1.75;letter-spacing:.01em}
.rline sup{font-family:var(--mono);font-size:10px;color:var(--robin-2);margin-left:1px}
.gate{display:grid;grid-template-columns:7.2em 1fr auto;gap:12px;align-items:center;padding:10px 0;border-top:1px solid var(--hair-2);font-size:14px}
.gate:first-child{border-top:0}
.gate>span{font-weight:600;font-family:var(--serif);letter-spacing:.02em}
.gate em{color:var(--ink-2);font-size:13.5px}
.g{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:600}
.g.no{background:var(--paper-3);color:var(--ink-2)} .g.yes{background:var(--ink);color:var(--paper)} .g.hush{background:var(--sage);color:#fff}
.gate.res{border-top:1px dashed rgba(124,152,133,.55)}
.gate.res em{color:var(--sage-2);font-weight:600}
.stack{display:flex;gap:3px;height:16px;border-radius:8px;overflow:hidden}
.stack i{display:block;background:var(--down)}
.stack i:nth-child(1){opacity:.42}.stack i:nth-child(2){opacity:.7}
.stack-lb{display:flex;gap:3px;margin-top:10px;font-size:12.5px;color:var(--ink-2)}
.stack-lb span{min-width:0}
.stack-lb b{display:block;color:var(--down);font-weight:600;font-size:14px}
.srcs.lt{margin-top:14px}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;height:180px;margin-top:6px}
.steps>div{display:flex;flex-direction:column;justify-content:flex-end;align-items:stretch;height:100%}
.steps i{display:block;height:var(--h);background:var(--paper-3);border-radius:8px 8px 4px 4px}
.steps span{font-size:12.5px;text-align:center;margin-top:8px;color:var(--ink-2);white-space:nowrap}
.steps .on i{background:var(--robin)}
.steps .on span{color:var(--robin-2);font-weight:600}
.steps .on::before{content:"这次选它";font-size:11px;color:var(--robin-2);text-align:center;margin-bottom:6px;white-space:nowrap}
.panel.memnew{background:linear-gradient(100deg,var(--robin-tint),var(--paper) 80%);box-shadow:inset 0 0 0 1px rgba(224,99,46,.18)}
.mn-t{font-family:var(--serif);font-size:16px;font-weight:500;line-height:1.6;margin-top:4px;letter-spacing:.02em}
.mn-s{font-size:12.5px;color:var(--ink-3);margin-top:6px}
.mn-a{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
/* pinned (desktop) */
.cap-pinned .cap{padding-bottom:0}
.cap-pinned .cap-pin{height:100vh;display:flex;align-items:center;padding:56px 0 20px}
.cap-pinned .cap-wrap{display:flex;flex-direction:column;gap:22px}
.cap-pinned .cap-tabs{display:flex;position:relative;gap:6px;padding-bottom:14px}
.cap-tabs button{font-size:14px;color:var(--ink-3);padding:8px 14px;border-radius:999px;transition:color .3s,background .3s}
.cap-tabs button i{font-style:normal;font-family:var(--mono);font-size:11px;margin-right:7px;opacity:.6}
.cap-tabs button:hover{color:var(--ink)}
.cap-tabs button.on{color:var(--paper);background:var(--ink)}
.cap-bar{position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--hair)}
.cap-bar i{position:absolute;inset:0;background:var(--robin);transform-origin:left;transform:scaleX(0)}
.cap-pinned .cap-stage{display:block;position:relative;height:min(580px,calc(100vh - 200px));background:var(--card);border-radius:34px;box-shadow:var(--shadow)}
.cap-pinned .cap-step{position:absolute;inset:0;background:none;box-shadow:none;border-radius:0;padding:48px 56px;opacity:0;visibility:hidden;transition:opacity .45s var(--ease),visibility 0s linear .45s}
.cap-pinned .cap-step .cs-txt,.cap-pinned .cap-step .cs-demo{transform:translateY(18px);transition:transform .8s var(--ease)}
.cap-pinned .cap-step .cs-demo{transition-delay:.06s}
.cap-pinned .cap-step.on{opacity:1;visibility:visible;transition:opacity .6s var(--ease) .08s,visibility 0s}
.cap-pinned .cap-step.on .cs-txt,.cap-pinned .cap-step.on .cs-demo{transform:none}

/* ---------- 6 · the quiet ---------- */
.quiet{display:flex;align-items:center;padding:120px 0}
.k4 .mlayer{background-position:30% center}
.quiet-in{display:flex;justify-content:flex-end}
.quiet-col{width:min(570px,100%)}
.v-quiet{background:linear-gradient(90deg,rgba(246,242,234,0) 30%,rgba(246,242,234,.45) 56%,rgba(246,242,234,.62) 100%),linear-gradient(180deg,rgba(246,242,234,.4) 0%,rgba(246,242,234,0) 18%,rgba(246,242,234,0) 82%,rgba(246,242,234,.5) 100%)}
.quiet .h-state{margin-top:18px}
.sreceipt{margin-top:38px;border:1.5px dashed rgba(95,123,105,.55);border-radius:20px;padding:20px 22px 16px;background:rgba(250,248,243,.78);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.sr-hd{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:11px;color:var(--sage-2);letter-spacing:.1em}
.sr-big{font-family:var(--serif);font-size:clamp(17px,1.45vw,20px);font-weight:500;line-height:1.65;margin-top:12px;letter-spacing:.02em}
.sr-big b{color:var(--sage-2);font-family:var(--en);font-weight:400;font-size:1.12em;letter-spacing:0}
.sr-big b.rb-c{color:var(--robin)}
.sr-log{margin-top:14px;border-top:1px dashed rgba(95,123,105,.35);padding-top:8px}
.sr-log div{display:grid;grid-template-columns:3.4em 1fr auto;gap:10px;font-size:13px;padding:5px 0;color:var(--ink-2);align-items:center}
.sr-log i{font-style:normal;color:var(--ink-3);font-size:11px}
.sr-log em{font-size:11.5px;color:var(--sage-2);background:var(--sage-soft);padding:2px 8px;border-radius:5px;white-space:nowrap}
.sr-log .said span{color:var(--ink);font-weight:500}
.sr-log .said em{background:var(--robin);color:#fff}

/* ---------- 7 · personality ---------- */
.voice{padding:150px 0 140px}
.voice .h-sec{margin-top:18px}
.voice-en{font-size:clamp(15px,1.3vw,18px);color:var(--ink-3);margin-top:14px;letter-spacing:.01em}
.voice .lede{margin-top:18px}
.vgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px}
.vcard{margin:0;background:var(--card);border-radius:22px;padding:22px 24px 26px;box-shadow:var(--shadow),inset 0 0 0 1px rgba(124,152,133,.2)}
.vcard figcaption{display:flex;align-items:center;gap:10px;font-size:14px}
.vcard figcaption .mark{width:28px;height:28px}
.vcard figcaption b{font-weight:600;font-family:var(--serif);letter-spacing:.02em}
.vcard figcaption small{color:var(--ink-3);font-family:var(--en);font-style:italic;font-size:12.5px;margin-left:auto;letter-spacing:.01em}
.vcard>p{font-family:var(--serif);font-size:clamp(16px,1.25vw,17.5px);line-height:1.85;margin-top:16px;color:var(--ink);letter-spacing:.02em}
.vcard>p .num{font-family:var(--en);letter-spacing:0;font-weight:400}
.serious{margin-top:100px;display:grid;grid-template-columns:1fr 1.3fr;gap:64px;align-items:center;padding-top:72px;border-top:1px solid var(--hair)}
.sv-k{display:flex;gap:8px;margin-top:24px;flex-wrap:wrap}
.sv-k span{font-size:13px;letter-spacing:.12em;padding:6px 16px;border-radius:999px;background:var(--ink);color:var(--paper)}
.vcard.grave{box-shadow:var(--shadow),inset 0 0 0 1.5px var(--ink);padding:24px 26px 22px}
.vcard.grave figcaption small{margin-left:auto}
.vcard.grave>p{font-weight:500}
.vcard.grave figcaption small{font-family:var(--mono);font-style:normal;font-size:10.5px;letter-spacing:.08em}

/* ---------- 8 · principles ---------- */
.rules{padding:140px 0 150px;background:var(--paper-2)}
.rules .h-sec{margin-top:18px}
.rgrid{list-style:none;padding:0;margin:64px 0 0;display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--hair)}
.rgrid li{padding:30px 24px 6px;border-left:1px solid var(--hair)}
.rgrid li:first-child{border-left:0;padding-left:0}
.rgrid i{font-style:normal;font-size:11px;color:var(--robin-2);letter-spacing:.14em}
.rgrid b{display:block;font-family:var(--serif);font-size:clamp(18px,1.45vw,21px);font-weight:600;letter-spacing:.02em;line-height:1.4;margin-top:24px}
.rgrid p{font-size:14.5px;color:var(--ink-2);margin-top:12px;line-height:1.8}

/* ---------- 9 · memory ---------- */
.memory{padding:150px 0}
.mem-grid{display:grid;grid-template-columns:.95fr 1fr;gap:88px;align-items:center}
.mem-ph{border-radius:30px;overflow:hidden;aspect-ratio:4/5;box-shadow:0 50px 90px -50px rgba(31,35,40,.45);background:var(--paper-2)}
.mem-ph img{width:100%;height:100%;object-fit:cover;max-width:none}
.memory .h-sec{margin-top:18px}
.memcard{margin-top:38px;background:var(--card);border-radius:22px;box-shadow:var(--shadow);padding:6px 22px 8px}
.mc-hd{display:flex;justify-content:space-between;align-items:center;padding:14px 0 10px;font-size:12.5px;color:var(--ink-3)}
.mc-hd b{color:var(--ink);font-size:14px;font-weight:600;font-family:var(--serif);letter-spacing:.02em}
.mc-it{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;padding:14px 0;border-top:1px solid var(--hair-2)}
.mc-it p{font-size:15px;line-height:1.6}
.mc-it small{display:block;font-size:12px;color:var(--ink-3);margin-top:3px}
.mc-btn{font-size:12.5px;color:var(--ink-2);padding:5px 13px;border-radius:999px;box-shadow:inset 0 0 0 1px var(--hair);white-space:nowrap}
.mc-it.gone p{text-decoration:line-through;text-decoration-color:var(--ink-4);color:var(--ink-4)}
.mc-btn.undo{color:var(--robin-2);box-shadow:inset 0 0 0 1px rgba(224,99,46,.35);background:var(--robin-tint)}
.mem-note{font-size:13.5px;color:var(--ink-3);margin-top:16px}

/* ---------- 10 · finale ---------- */
.finale{display:flex;padding:120px 0 56px;text-align:center}
.k7 .mlayer{background-position:center 60%}
.finale-in{display:flex;flex-direction:column;justify-content:space-between;gap:72px;min-height:calc(var(--screen) - 176px)}
.fin-mark{width:56px;height:56px;margin:0 auto 22px;display:block;--mw:3.6}
.finale .lede{margin:30px auto 0;color:var(--ink-2)}
.v-finale{background:linear-gradient(180deg,rgba(246,242,234,.6) 0%,rgba(246,242,234,.25) 34%,rgba(246,242,234,0) 55%,rgba(246,242,234,.2) 100%)}
.entries{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;text-align:left}
.entry{position:relative;display:block;padding:22px 24px 24px;border-radius:22px;background:rgba(255,253,249,.74);backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);box-shadow:0 24px 60px -34px rgba(31,35,40,.45),inset 0 0 0 1px rgba(255,255,255,.65);transition:transform .45s var(--ease),background .3s}
.entry:hover{transform:translateY(-3px);background:rgba(255,253,249,.92)}
.entry i{font-style:normal;font-size:11px;color:var(--robin-2);letter-spacing:.12em}
.entry b{display:block;font-family:var(--serif);font-size:20px;font-weight:600;margin-top:10px;letter-spacing:.02em}
.entry p{font-size:14px;color:var(--ink-2);margin-top:6px;line-height:1.75;padding-right:20px}
.entry .go{position:absolute;right:22px;top:20px;font-size:20px;color:var(--ink-3);transition:transform .35s var(--ease),color .3s}
.entry:hover .go{transform:translateX(4px);color:var(--robin)}

/* ---------- footer ---------- */
.foot{padding:34px 0 46px;border-top:1px solid var(--hair);background:var(--paper)}
.foot-in{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot .lockup{display:flex;align-items:center;gap:10px}
.foot .lockup .mark{width:26px;height:26px}
.foot-tx{text-align:right;font-size:12px;color:var(--ink-3);line-height:1.85;letter-spacing:.02em}
.disc-l{color:var(--ink-4)}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .rgrid{grid-template-columns:repeat(3,1fr)}
  .rgrid li:nth-child(4){border-left:0;padding-left:0}
  .ctable{grid-template-columns:minmax(120px,.8fr) repeat(3,1fr) 1.25fr}
  .crow>span{padding:18px 14px;font-size:15px}
  .cap-step{gap:36px;padding:40px}
}
@media (max-width:900px){
  .flow{grid-template-columns:1fr;gap:10px;max-width:440px}
  .farrow{transform:rotate(90deg);margin:0 auto;width:fit-content}
  .fscr{height:auto;min-height:0}
  .fs-report p{max-height:150px;overflow:hidden}
  .cap-step{grid-template-columns:1fr;gap:28px}
  .serious{grid-template-columns:1fr;gap:28px}
  .mem-grid{grid-template-columns:1fr;gap:48px}
  .mem-ph{aspect-ratio:4/3;max-width:640px}
  .vgrid{grid-template-columns:1fr;max-width:640px}
  .entries{grid-template-columns:1fr;max-width:560px;margin-inline:auto;width:100%}
}
@media (max-width:760px){
  body{font-size:16px}
  .hero{padding:100px 0 110px}
  .hero-mark{width:56px;height:56px;margin-bottom:20px}
  .ctas{margin-top:28px}
  .ctas .btn{height:44px;padding:0 20px;font-size:14.5px}
  .noise{padding:110px 0 80px}
  .flow{margin-top:44px;max-width:none}
  .stats{grid-template-columns:1fr;margin-top:52px}
  .stat,.stat+.stat{padding:20px 0;border-left:0;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:baseline;gap:14px}
  .stat b{font-size:36px;flex:none}
  .stat:last-child b{font-size:26px}
  .stat span{margin-top:0}
  .jargon{padding:10px 0 90px}
  .jchip>span{height:30px;font-size:12.5px;padding:0 12px}
  .jchip.lg>span{height:34px;font-size:14.5px}
  .jsay{margin-top:44px}
  .saycard{grid-template-columns:36px 1fr;gap:12px;padding:18px}
  .saycard .mark{width:36px;height:36px}
  .saycard .srcs{grid-column:1/-1}
  .turn{align-items:flex-start;padding:110px 0 80px}
  .k3 .mlayer{background-position:70% center}
  .v-turn{background:linear-gradient(180deg,rgba(246,242,234,.97) 0%,rgba(246,242,234,.9) 38%,rgba(246,242,234,.35) 66%,rgba(246,242,234,0) 82%,var(--paper) 100%)}
  .diff{padding:110px 0 90px}
  .h-diff{font-size:26px}
  .ctable{display:block;margin-top:40px}
  .crow.chead{display:none}
  .crow{display:grid;grid-template-columns:1fr;background:var(--card);border-radius:20px;box-shadow:var(--shadow);margin-bottom:12px;padding-bottom:14px;overflow:hidden}
  .crow>span,.crow>span:first-child{display:block;border:0;padding:4px 16px;font-size:13.5px;color:var(--ink-3)}
  .crow>span.c0{order:0;padding:16px 16px 10px;font-size:15.5px;font-weight:600;color:var(--ink)}
  .crow .rb,.crow .rb.bot{order:1;margin:0 10px 8px;padding:12px 14px;border-radius:14px;font-size:15px;color:var(--ink)}
  .crow>span[data-col]:not(.rb){order:2}
  .crow>span[data-col]::before{content:attr(data-col);display:inline-block;min-width:8.2em;color:var(--ink-4);font-size:11.5px}
  .crow>span.rb[data-col]::before{content:"ROBIN";display:block;min-width:0;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--robin-2);margin-bottom:3px}
  .cap{padding:110px 0 80px}
  .cap-head{margin-bottom:40px}
  .cap-stage{gap:14px}
  .cap-step{padding:26px 20px 22px;border-radius:24px;gap:22px}
  .cs-word{margin:10px 0 14px}
  .cs-desc{font-size:15px}
  .panel{padding:14px 16px}
  .gate{grid-template-columns:6em 1fr auto;font-size:13.5px;gap:8px}
  .gate em{font-size:12.5px}
  .steps{gap:6px;height:150px}
  .steps span{font-size:11px}
  .steps .on::before{font-size:10px}
  .stack-lb{font-size:11.5px}
  .quiet{align-items:flex-end;padding:96px 0 56px;min-height:auto}
  .quiet .media{bottom:auto;height:min(78vw,420px)}
  .quiet .k4 .mlayer{top:0;height:100%;background-position:28% center}
  .v-quiet{bottom:auto;height:min(78vw,420px);background:linear-gradient(180deg,rgba(246,242,234,0) 55%,var(--paper) 100%)}
  .quiet{background:var(--paper)}
  .quiet-in{padding-top:min(58vw,300px)}
  .sr-log div{grid-template-columns:3em 1fr auto;font-size:12.5px;gap:8px}
  .voice{padding:110px 0 90px}
  .vgrid{margin-top:36px;gap:12px}
  .serious{margin-top:64px;padding-top:48px}
  .rules{padding:100px 0}
  .rgrid{grid-template-columns:1fr;margin-top:40px}
  .rgrid li,.rgrid li:nth-child(4){border-left:0;padding:22px 0;border-bottom:1px solid var(--hair);display:grid;grid-template-columns:2.6em 1fr;column-gap:8px}
  .rgrid i{grid-row:1/3;padding-top:4px}
  .rgrid b{margin-top:0;font-size:18px}
  .rgrid p{margin-top:4px;font-size:14.5px}
  .memory{padding:100px 0}
  .mem-ph{border-radius:22px}
  .finale{padding:100px 0 40px}
  .finale-in{gap:44px;min-height:calc(var(--screen) - 140px)}
  .k7 .mlayer{background-position:30% center}
  .foot-in{flex-direction:column;align-items:flex-start;gap:14px}
  .foot-tx{text-align:left}
}
@media (prefers-reduced-motion:reduce){
  .jchip>span,.scroll-cue i,.dot{animation:none}
}
html.static .jchip>span,html.static .scroll-cue i{animation:none}
html.static .mark *{animation:none!important}

/* ---------- 9b · the iOS app ---------- */
.app{padding:150px 0 170px;background:linear-gradient(180deg,var(--paper) 0%,#EEE8DC 100%)}
.app-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:72px;align-items:center}
.app-pts{list-style:none;margin:28px 0 0;padding:0;display:flex;flex-direction:column;gap:12px}
.app-pts li{display:grid;grid-template-columns:86px 1fr;gap:14px;align-items:baseline;padding-top:12px;border-top:1px solid var(--hair)}
.app-pts b{font-family:var(--serif);font-weight:600;font-size:17px;letter-spacing:.02em}
.app-pts span{font-size:14.5px;color:var(--ink-2);line-height:1.6}
.app-ctas{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}
.app-stage{display:flex;align-items:center;justify-content:center;gap:30px}
.app-phone{flex:none;width:292px;aspect-ratio:402/874;border-radius:44px;background:#0B0D0F;padding:9px;box-shadow:0 0 0 1.5px #2b2e33,0 70px 110px -50px rgba(31,35,40,.6),0 30px 60px -30px rgba(31,35,40,.35)}
.app-phone video{width:100%;height:100%;object-fit:cover;border-radius:36px;background:var(--paper)}
.app-col{display:flex;flex-direction:column;gap:22px}
.app-card{margin:0;width:128px}
.app-card img{width:100%;border-radius:18px;box-shadow:0 26px 50px -26px rgba(31,35,40,.45);border:1px solid rgba(31,35,40,.08);transition:transform .6s var(--ease)}
.app-card:hover img{transform:translateY(-4px)}
.app-card figcaption{font-size:11.5px;color:var(--ink-3);margin-top:8px;line-height:1.45}
.app-card figcaption b{display:block;font-family:var(--serif);font-weight:600;color:var(--ink);font-size:13px;letter-spacing:.02em}
@media (max-width:960px){
  .app{padding:96px 0 110px}
  .app-grid{grid-template-columns:1fr;gap:48px}
  .app-phone{width:min(240px,58vw)}
  .app-card{width:min(110px,26vw)}
}