/* EchoFlow — official site. Warm paper, ink, one ember orange. */
:root{
  color-scheme:light dark;
  --paper:#f8f5f0;--paper-2:#f1ece4;--card:#fffdfa;--ink:#1b1916;--ink-2:#4a4640;--muted:#77716a;--faint:#a39d94;
  --line:rgb(27 25 22/.09);--line-2:rgb(27 25 22/.14);
  --ember:#ff5a1f;--ember-2:#ff7a3d;--ember-deep:#d9420e;--ember-soft:rgb(255 90 31/.1);
  --night:#121110;--night-2:#1c1a17;--night-ink:#f3efe8;--night-muted:#a59f96;
  --good:#2f9e63;
  --r-sm:10px;--r:16px;--r-lg:24px;--r-xl:32px;
  --shadow-1:0 1px 1px rgb(40 26 10/.04),0 2px 6px -2px rgb(40 26 10/.06);
  --shadow-2:0 1px 2px rgb(40 26 10/.05),0 12px 32px -12px rgb(40 26 10/.18),0 0 0 .5px rgb(40 26 10/.06);
  --shadow-3:0 2px 4px rgb(40 26 10/.04),0 30px 80px -24px rgb(60 30 5/.32),0 0 0 .5px rgb(40 26 10/.07);
  --ease:cubic-bezier(.22,1,.36,1);--spring:cubic-bezier(.34,1.4,.64,1);
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Hiragino Sans GB","Segoe UI","Microsoft YaHei",sans-serif;
  --serif:"New York","Iowan Old Style",Georgia,"Times New Roman","Songti SC",serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --wrap:min(1120px,calc(100vw - 48px));
}
@media(prefers-color-scheme:dark){:root{
  --paper:#131210;--paper-2:#1a1815;--card:#1e1c19;--ink:#f3efe8;--ink-2:#cfc8bd;--muted:#9c958b;--faint:#6d675f;
  --line:rgb(255 248 235/.08);--line-2:rgb(255 248 235/.13);--ember-soft:rgb(255 110 50/.14);
  --night:#0b0a09;--night-2:#161411;
  --shadow-1:0 0 0 .5px rgb(255 255 255/.06);
  --shadow-2:0 0 0 .5px rgb(255 255 255/.08),0 16px 40px -16px rgb(0 0 0/.7);
  --shadow-3:0 0 0 .5px rgb(255 255 255/.09),0 40px 90px -30px rgb(0 0 0/.85);
}}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:clip}
[hidden]{display:none!important}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:100;opacity:.035;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
@media(prefers-color-scheme:dark){body::before{mix-blend-mode:screen;opacity:.025}}
img{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3,p{margin:0}
h1,h2,h3{text-wrap:balance}
p{text-wrap:pretty}
kbd{display:inline-block;min-width:1.6em;padding:.05em .45em;border-radius:6px;background:var(--card);box-shadow:inset 0 -1px 0 var(--line-2),0 0 0 .5px var(--line-2);font:500 .82em/1.6 var(--sans);text-align:center;color:var(--ink)}
::selection{background:rgb(255 90 31/.22)}
:focus-visible{outline:2px solid var(--ember);outline-offset:3px;border-radius:8px}
.skip{position:absolute;left:16px;top:-60px;z-index:200;padding:10px 14px;border-radius:10px;background:var(--ink);color:var(--paper);text-decoration:none}
.skip:focus{top:16px}

/* Buttons */
.btn{--h:44px;position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;height:var(--h);padding:0 20px;border-radius:999px;border:0;font:600 15px/1 var(--sans);letter-spacing:-.01em;text-decoration:none;cursor:pointer;white-space:nowrap;transition:transform .25s var(--spring),background .2s var(--ease),box-shadow .25s var(--ease),color .2s}
.btn svg{width:16px;height:16px}
.btn-lg{--h:54px;padding:0 28px;font-size:16px}
.btn-primary{color:#fff;background:linear-gradient(180deg,#ff6a30,#f4500f);box-shadow:inset 0 1px 0 rgb(255 255 255/.25),0 1px 2px rgb(150 40 0/.3),0 10px 28px -10px rgb(255 90 31/.75)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:inset 0 1px 0 rgb(255 255 255/.25),0 1px 2px rgb(150 40 0/.3),0 16px 36px -12px rgb(255 90 31/.85)}
.btn-primary:active{transform:scale(.97)}
.btn-primary[aria-disabled=true]{background:var(--paper-2);color:var(--muted);box-shadow:inset 0 0 0 1px var(--line-2);cursor:default;transform:none}
.btn-ghost{color:var(--ink);background:transparent;box-shadow:inset 0 0 0 1px var(--line-2)}
.btn-ghost:hover{background:var(--card);box-shadow:inset 0 0 0 1px var(--line-2),var(--shadow-1)}
.link{padding:0;border:0;background:none;color:var(--ember-deep);font:inherit;font-weight:550;text-decoration:none;cursor:pointer;background-image:linear-gradient(currentColor,currentColor);background-size:0 1px;background-position:0 100%;background-repeat:no-repeat;transition:background-size .3s var(--ease)}
@media(prefers-color-scheme:dark){.link{color:var(--ember-2)}}
.link:hover{background-size:100% 1px}

/* Nav */
.nav{position:fixed;z-index:50;top:12px;left:50%;transform:translateX(-50%);width:min(1120px,calc(100vw - 24px));height:56px;display:flex;align-items:center;gap:24px;padding:0 8px 0 18px;border-radius:999px;transition:background .3s var(--ease),box-shadow .3s var(--ease),backdrop-filter .3s}
.nav[data-scrolled]{background:color-mix(in oklab,var(--paper) 86%,transparent);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);box-shadow:0 0 0 .5px var(--line-2),0 8px 30px -14px rgb(40 26 10/.25)}
.nav-brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:680;font-size:17px;letter-spacing:-.03em}
.nav-brand img{width:28px;height:28px}
.nav-links{display:flex;gap:4px;margin-left:auto}
.nav-links a{padding:8px 14px;border-radius:999px;font-size:14px;color:var(--ink-2);text-decoration:none;transition:background .2s,color .2s}
.nav-links a:hover{background:var(--line);color:var(--ink)}
.nav-cta{height:40px;display:inline-flex;align-items:center;padding:0 18px;border-radius:999px;background:var(--ink);color:var(--paper);font-size:14px;font-weight:600;text-decoration:none;transition:transform .25s var(--spring)}
.nav-cta:hover{transform:scale(1.03)}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0s)}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}

/* Hero */
.hero{position:relative;width:var(--wrap);margin:0 auto;padding:clamp(130px,18vh,190px) 0 40px;text-align:center}
.hero-glow{position:absolute;z-index:-1;left:50%;top:-10%;width:min(1100px,100vw);height:780px;transform:translateX(-50%);pointer-events:none;
  background:radial-gradient(40% 46% at 50% 38%,rgb(255 120 60/.28),transparent 70%),radial-gradient(30% 30% at 22% 30%,rgb(255 196 140/.35),transparent 70%),radial-gradient(28% 30% at 80% 26%,rgb(255 160 110/.22),transparent 70%);filter:blur(10px);animation:breathe 12s var(--ease) infinite alternate}
@media(prefers-color-scheme:dark){.hero-glow{opacity:.55}}
@keyframes breathe{to{transform:translateX(-50%) scale(1.08) rotate(2deg)}}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--ember-deep);text-transform:uppercase}
@media(prefers-color-scheme:dark){.eyebrow{color:var(--ember-2)}}
.hero-title{margin-top:18px;font-size:clamp(44px,8.2vw,104px);line-height:1.02;font-weight:760;letter-spacing:-.055em;--d:.06s}
.hero-title em{font-style:normal;background:linear-gradient(100deg,var(--ember-deep),var(--ember) 40%,#ff9a5c 80%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{max-width:640px;margin:26px auto 0;font-size:clamp(17px,1.9vw,20px);line-height:1.75;color:var(--ink-2);--d:.12s}
.hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:36px;--d:.18s}
.hero-device{margin-top:16px;font-size:13px;color:var(--muted);--d:.22s}

/* Hero stage: browser window demo */
.stage{margin:72px auto 0;max-width:980px;--d:.28s;perspective:2000px}
.window{position:relative;border-radius:20px;background:var(--card);box-shadow:var(--shadow-3);overflow:hidden;text-align:left;transform:rotateX(6deg) scale(.98);transform-origin:50% 0;transition:transform 1.4s var(--ease)}
.stage.in .window{transform:none}
.window-bar{display:flex;align-items:center;gap:14px;height:46px;padding:0 16px;border-bottom:1px solid var(--line);background:var(--paper-2)}
.dots{display:flex;gap:7px}.dots i{width:11px;height:11px;border-radius:50%;background:#ff5f57}.dots i:nth-child(2){background:#febc2e}.dots i:nth-child(3){background:#28c840}
.address{flex:0 1 380px;margin:0 auto;display:flex;align-items:center;justify-content:center;gap:6px;height:28px;border-radius:8px;background:var(--card);box-shadow:0 0 0 .5px var(--line-2);font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden}
.address svg{width:11px;height:11px;flex:none}
.bar-space{width:47px}
.window-page{position:relative;padding:44px clamp(24px,7vw,90px) 54px;min-height:420px;font-family:var(--serif)}
.kicker{font:600 12px/1 var(--sans);letter-spacing:.16em;color:var(--ember)}
.d-title{margin:14px 0 0;font-size:clamp(26px,3.6vw,40px);line-height:1.15;font-weight:700;letter-spacing:-.02em}
.d-src{margin-top:22px;font-size:clamp(16px,1.7vw,19px);line-height:1.7;color:var(--ink)}
.d-dim{color:var(--muted)}
.d-tr{font:clamp(15px,1.6vw,18px)/1.8 var(--sans);color:var(--ink-2);max-height:0;opacity:0;overflow:hidden;filter:blur(4px);transform:translateY(-3px);transition:max-height .7s var(--ease),opacity .5s var(--ease),filter .6s var(--ease),transform .6s var(--ease),margin .7s var(--ease)}
.d-tr-title{font-weight:650;font-size:clamp(20px,2.6vw,28px);color:var(--ink)}
.d-tr.on{max-height:5em;opacity:1;filter:none;transform:none;margin-top:6px}
.d-tr.loading{max-height:5em;opacity:1;filter:none;margin-top:10px;height:10px;width:min(60%,320px);border-radius:10px;color:transparent;background:linear-gradient(90deg,var(--line) 20%,var(--line-2) 50%,var(--line) 80%);background-size:220% 100%;animation:shimmer 1.2s linear infinite}
@keyframes shimmer{from{background-position:110% 0}to{background-position:-110% 0}}
.d-ball{position:absolute;right:18px;top:52%;width:44px;height:44px;display:grid;place-items:center;border:0;border-radius:50%;cursor:default;background:rgb(255 255 255/.85);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 0 0 .5px var(--line-2),0 10px 26px -10px rgb(40 20 0/.4);transition:background .35s var(--ease),transform .5s var(--spring),box-shadow .35s}
@media(prefers-color-scheme:dark){.d-ball{background:rgb(50 46 42/.85)}}
.d-ball.press{transform:scale(.86)}
.d-ball.on{background:var(--ember);box-shadow:0 10px 26px -8px rgb(255 90 31/.8)}
.d-bars{display:flex;align-items:center;gap:3px;height:17px}
.d-bars i{width:3px;height:17px;border-radius:2px;background:var(--ink);transition:background .3s}
.d-bars i:nth-child(1){transform:scaleY(.5)}.d-bars i:nth-child(3){transform:scaleY(.68)}
.d-ball.on .d-bars i{background:#fff}
.d-ball.busy .d-bars i{animation:eq .9s var(--ease) infinite}
.d-ball.busy .d-bars i:nth-child(2){animation-delay:-.3s}.d-ball.busy .d-bars i:nth-child(3){animation-delay:-.6s}
@keyframes eq{0%,100%{transform:scaleY(.3)}50%{transform:scaleY(1)}}
.d-ring{position:absolute;inset:-4px;width:52px;height:52px;transform:rotate(-90deg);overflow:visible}
.d-ring circle{fill:none;stroke:var(--ember);stroke-width:2.2;stroke-linecap:round;stroke-dasharray:138.2;stroke-dashoffset:138.2;opacity:0;transition:stroke-dashoffset 1.6s var(--ease),opacity .3s}
.d-ball.busy .d-ring circle{opacity:1;stroke-dashoffset:var(--ring,138.2)}
.d-ball.done::after{content:"";position:absolute;inset:0;border-radius:50%;animation:ripple .9s var(--ease)}
@keyframes ripple{from{box-shadow:0 0 0 0 rgb(255 90 31/.5)}to{box-shadow:0 0 0 18px rgb(255 90 31/0)}}
.d-cursor{position:absolute;left:0;top:0;width:22px;height:22px;transform:translate(var(--cx,110%),var(--cy,120%));transition:transform 1.1s var(--ease);pointer-events:none;filter:drop-shadow(0 2px 3px rgb(0 0 0/.25))}
.stage-caption{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:22px;font-size:13px;color:var(--muted)}
.pulse{width:7px;height:7px;border-radius:50%;background:var(--ember);box-shadow:0 0 0 0 rgb(255 90 31/.5);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgb(255 90 31/0)}100%{box-shadow:0 0 0 0 rgb(255 90 31/0)}}

/* Platform strip */
.strip{width:var(--wrap);margin:84px auto 0;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:14px 22px;font-size:14px;font-weight:550;letter-spacing:.02em;color:var(--faint)}
.strip i{width:4px;height:4px;border-radius:50%;background:var(--line-2)}

/* Chapters */
.chapter{width:var(--wrap);margin:0 auto;padding:clamp(100px,14vw,170px) 0 0}
.chapter-head{max-width:640px}
.chapter-head.center{margin:0 auto;text-align:center}
.chapter-head h2,.harvest h2,.privacy h2,.closing h2{margin-top:16px;font-size:clamp(34px,5.4vw,64px);line-height:1.08;font-weight:740;letter-spacing:-.045em}
.chapter-head>p:last-child,.chapter-head>p.detect{margin-top:20px;font-size:clamp(16px,1.6vw,18px);line-height:1.75;color:var(--ink-2)}

/* Bento */
.bento{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:56px}
.tile{position:relative;padding:28px;border-radius:var(--r-lg);background:var(--card);box-shadow:var(--shadow-2);overflow:hidden;transition:transform .5s var(--spring),box-shadow .4s var(--ease)}
.tile:hover{transform:translateY(-3px);box-shadow:var(--shadow-3)}
.tile:nth-child(2){--d:.08s}.tile:nth-child(3){--d:.16s}
.tile-wide{grid-column:span 2;display:grid;grid-template-columns:1.25fr 1fr;grid-template-areas:"demo title" "demo text";align-items:end;gap:6px 48px;padding:32px}
.tile-wide .modes{grid-area:demo}
.tile-wide h3{grid-area:title;align-self:end}
.tile-wide>p{grid-area:text;align-self:start}
.tile h3{margin-top:22px;font-size:21px;font-weight:680;letter-spacing:-.025em}
.tile-wide h3{margin-top:0}
.tile>p{margin-top:8px;font-size:15px;color:var(--muted);line-height:1.7}
.modes{padding:22px;border-radius:var(--r);background:var(--paper-2)}
.seg{position:relative;display:grid;grid-template-columns:repeat(3,1fr);padding:4px;border-radius:12px;background:var(--line);isolation:isolate;max-width:320px}
.seg button{position:relative;height:34px;border:0;background:none;font:550 13.5px/1 var(--sans);color:var(--muted);cursor:pointer;transition:color .25s}
.seg button[aria-pressed=true]{color:var(--ink)}
.seg-thumb{position:absolute;z-index:-1;top:4px;bottom:4px;left:4px;width:calc((100% - 8px)/3);border-radius:9px;background:var(--card);box-shadow:var(--shadow-1),0 1px 3px rgb(0 0 0/.08);transform:translateX(calc(var(--i,1)*100%));transition:transform .5s var(--spring)}
.modes-page{position:relative;margin-top:18px;min-height:104px;font-family:var(--serif)}
.m-src,.m-tr{transition:opacity .4s var(--ease),transform .5s var(--ease),max-height .5s var(--ease);overflow:hidden;max-height:4.5em}
.m-src{font-size:18px;line-height:1.6}
.m-tr{margin-top:6px;font:17px/1.75 var(--sans);color:var(--ink-2)}
.modes-page[data-mode-view=original] .m-tr,.modes-page[data-mode-view=chinese] .m-src{opacity:0;max-height:0;transform:translateY(-4px);margin:0}
.modes-page[data-mode-view=chinese] .m-tr{color:var(--ink);font-size:18px}
.tile-art{height:120px;display:flex;flex-direction:column;justify-content:center;gap:10px;padding:0 18px;border-radius:var(--r);background:var(--paper-2)}
.chunks span{font:17px/1.4 var(--serif)}.chunks span+span{font-family:var(--sans);font-size:16px}
.chunks b{font-weight:500;padding:1px 3px;border-radius:4px}
.chunks .c1{background:rgb(255 150 60/.22)}.chunks .c2{background:rgb(70 160 230/.22)}
.speed{flex-direction:row;align-items:baseline;justify-content:center;gap:8px}
.speed-num{font-size:68px;font-weight:760;letter-spacing:-.05em;line-height:1;background:linear-gradient(180deg,var(--ink),var(--ink-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.speed-unit{font-size:15px;color:var(--muted);font-weight:550}

/* Dark chapter: subtitles */
.chapter.dark{width:auto;margin-top:clamp(100px,14vw,170px);padding:clamp(90px,12vw,150px) max(24px,calc((100vw - 1120px)/2)) clamp(90px,12vw,140px);background:radial-gradient(70% 60% at 80% 0%,rgb(255 90 31/.14),transparent 60%),var(--night);color:var(--night-ink)}
.chapter.dark .chapter-head>p:last-child{color:var(--night-muted)}
.chapter.dark .eyebrow{color:var(--ember-2)}
.player{position:relative;margin-top:56px;aspect-ratio:16/7.5;border-radius:var(--r-lg);overflow:hidden;cursor:pointer;user-select:none;-webkit-user-select:none;touch-action:none;box-shadow:0 0 0 .5px rgb(255 255 255/.08),0 50px 100px -40px rgb(0 0 0/.9)}
.player:focus-visible{outline:2px solid var(--ember-2);outline-offset:4px}
.player-scene{position:absolute;inset:0;background:linear-gradient(180deg,#36547a 0%,#a98c76 52%,#e09a62 70%,#5e3a2a 100%)}
.sun{position:absolute;left:62%;top:46%;width:13%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,#ffe3b0,#ffb36b 60%,transparent 70%);filter:blur(2px);animation:sun 18s ease-in-out infinite alternate}
@keyframes sun{to{transform:translateY(12%)}}
.hill{position:absolute;left:-10%;right:-10%;border-radius:50% 50% 0 0}
.h1{bottom:-35%;height:70%;background:#3d2a22}.h2{bottom:-48%;left:30%;height:80%;background:#2a1d18}
.player::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 50%,rgb(0 0 0/.45))}
.player-cap{position:absolute;z-index:2;left:5%;right:5%;bottom:15%;display:grid;justify-items:center;gap:6px;text-align:center;text-shadow:0 1px 2px rgb(0 0 0/.7);grid-template-areas:"zh" "en"}
.player[data-mode=scaffold] .player-cap{grid-template-areas:"en" "zh"}
.player-cap.out{opacity:0;transform:translateY(6px);transition:opacity .25s var(--ease),transform .25s var(--ease)}
.player-cap.in-cap .cap-line{animation:capin .45s var(--ease) both}
.player-cap.in-cap .cap-line+.cap-line{animation-delay:.06s}
.player[data-mode=scaffold]:not([data-peek=true]) .player-cap .cap-zh{animation:none}
@keyframes capin{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.cap-line{margin:0;padding:.06em .5em;border-radius:.35em;background:rgb(10 10 12/.6);-webkit-box-decoration-break:clone;box-decoration-break:clone}
.cap-zh{grid-area:zh;font:650 clamp(17px,2.5vw,30px)/1.4 var(--sans)}
.cap-en{grid-area:en;font:500 clamp(14px,1.9vw,22px)/1.4 var(--sans);color:rgb(255 255 255/.92)}
.player[data-mode=scaffold] .cap-en{font:600 clamp(17px,2.4vw,28px)/1.35 var(--sans);color:#fff}
.player[data-mode=scaffold] .cap-zh{font-weight:500;font-size:clamp(15px,2vw,22px);opacity:0;filter:blur(8px);transform:translateY(6px);transition:opacity .28s var(--ease),filter .3s var(--ease),transform .35s var(--ease)}
.player[data-mode=scaffold][data-peek=true] .cap-zh{opacity:1;filter:none;transform:none}
/* Chunk colours: same palette as the extension's subtitle layer. */
.ck{position:relative;border-radius:.2em;transition:background-color .25s var(--ease),box-shadow .25s var(--ease),color .25s}
.ck0{color:#ffb36b}.ck1{color:#8fd3ff}.ck2{color:#b5f28c}.ck3{color:#ff9fd2}
.player[data-mode=scaffold] .cap-en .ck{color:#fff;text-decoration:underline dotted;text-decoration-thickness:2px;text-underline-offset:6px}
.player[data-mode=scaffold] .cap-en .ck0{text-decoration-color:#ffb36b}.player[data-mode=scaffold] .cap-en .ck1{text-decoration-color:#8fd3ff}.player[data-mode=scaffold] .cap-en .ck2{text-decoration-color:#b5f28c}.player[data-mode=scaffold] .cap-en .ck3{text-decoration-color:#ff9fd2}
.player[data-mode=scaffold][data-peek=true] .cap-en .ck0{color:#ffb36b}.player[data-mode=scaffold][data-peek=true] .cap-en .ck1{color:#8fd3ff}.player[data-mode=scaffold][data-peek=true] .cap-en .ck2{color:#b5f28c}.player[data-mode=scaffold][data-peek=true] .cap-en .ck3{color:#ff9fd2}
.player-cap[data-focus] .ck{opacity:.72}
.player-cap[data-focus="0"] .ck0,.player-cap[data-focus="1"] .ck1,.player-cap[data-focus="2"] .ck2,.player-cap[data-focus="3"] .ck3{opacity:1;background:rgb(255 255 255/.16);box-shadow:0 0 0 .14em rgb(255 255 255/.16),0 0 18px rgb(255 255 255/.12)}
.player-modes{position:absolute;z-index:3;top:18px;left:18px;display:grid;grid-template-columns:1fr 1fr;padding:3px;border-radius:999px;background:rgb(0 0 0/.35);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);isolation:isolate}
.player-modes button{position:relative;height:30px;padding:0 14px;border:0;background:none;color:rgb(255 255 255/.7);font:600 13px/1 var(--sans);cursor:pointer;white-space:nowrap;transition:color .25s}
.player-modes button[aria-checked=true]{color:#1b1916}
.pm-thumb{position:absolute;z-index:-1;top:3px;bottom:3px;left:3px;width:calc(50% - 3px);border-radius:999px;background:#fff;transform:translateX(calc(var(--i,0)*100%));transition:transform .45s var(--spring)}
.player-hint{position:absolute;z-index:2;top:18px;right:18px;display:flex;align-items:center;gap:8px;padding:6px 12px 6px 6px;border-radius:999px;background:rgb(0 0 0/.35);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);font-size:13px;transition:opacity .3s}
.player-hint kbd{background:rgb(255 255 255/.16);color:#fff;box-shadow:none}
.player:not([data-mode=scaffold]) .player-hint,.player[data-peek=true] .player-hint{opacity:0}
.chunk-legend{margin-top:20px;text-align:center;font-size:14px;color:var(--night-muted)}
.sw{display:inline-block;width:10px;height:10px;margin-right:5px;border-radius:3px;vertical-align:0}.sw0{background:#ffb36b}.sw1{background:#8fd3ff}.sw2{background:#b5f28c;margin-right:10px}
.player-bar{position:absolute;z-index:2;left:24px;right:24px;bottom:16px;height:3px;border-radius:3px;background:rgb(255 255 255/.22)}
.player-bar span{display:block;height:100%;width:38%;border-radius:inherit;background:var(--ember);animation:play 30s linear infinite}
@keyframes play{from{width:22%}to{width:78%}}
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:56px}
.trio h3{font-size:18px;font-weight:650;letter-spacing:-.02em}
.trio p{margin-top:8px;color:var(--night-muted);font-size:15px}

/* Harvest */
.harvest{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:clamp(40px,8vw,110px)}
.harvest-copy>p:last-child{margin-top:20px;font-size:17px;color:var(--ink-2);line-height:1.8}
.harvest-card{position:relative;padding:28px;border-radius:var(--r-xl);background:var(--card);box-shadow:var(--shadow-3);transform:rotate(-2deg);transition:transform .8s var(--spring)}
.harvest-card:hover{transform:rotate(0) translateY(-4px)}
.harvest-card::before{content:"";position:absolute;inset:10px -8px -12px 8px;z-index:-1;border-radius:inherit;background:var(--paper-2);box-shadow:var(--shadow-2);transform:rotate(4deg)}
.hc-top,.hc-foot{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted)}
.hc-tag{padding:4px 10px;border-radius:999px;background:var(--ember-soft);color:var(--ember-deep);font-weight:600}
@media(prefers-color-scheme:dark){.hc-tag{color:var(--ember-2)}}
.hc-en{margin-top:26px;font:26px/1.35 var(--serif);letter-spacing:-.01em}
.hc-en b{font-weight:600;background:linear-gradient(transparent 62%,rgb(255 120 60/.3) 62%)}
.hc-zh{margin-top:8px;font-size:17px;color:var(--ink-2)}
.hc-wave{display:flex;align-items:center;gap:4px;height:42px;margin:24px 0 20px}
.hc-wave i{flex:1;height:30%;border-radius:3px;background:var(--line-2);animation:wave 1.6s var(--ease) infinite;animation-delay:calc(var(--n,0)*-.09s)}
.hc-wave i:nth-child(3n){--n:3;height:70%}.hc-wave i:nth-child(4n){--n:5;height:50%}.hc-wave i:nth-child(5n){--n:7;height:85%}.hc-wave i:nth-child(-n+7){background:var(--ember)}
@keyframes wave{50%{transform:scaleY(.55)}}
.hc-level{font-weight:650;color:var(--good)}

/* Download */
.learning-loop{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin:56px 0 0;padding:0}
.learning-loop li{padding-top:20px;border-top:1px solid var(--line-2)}
.learning-loop li>span{font:500 12px var(--mono);color:var(--ember-deep)}
.learning-loop h3{margin:12px 0 8px;font-size:18px;letter-spacing:-.02em}
.learning-loop p{font-size:14px;line-height:1.8;color:var(--muted)}
.availability-scroll{margin-top:36px;overflow-x:auto;border-radius:var(--r-lg);background:var(--card);box-shadow:var(--shadow-1)}
.capabilities{width:100%;min-width:680px;border-collapse:collapse;text-align:left;font-size:14px}
.capabilities caption{text-align:left;padding:20px 24px;font-size:15px;font-weight:600}
.capabilities th,.capabilities td{padding:18px 24px;border-top:1px solid var(--line);vertical-align:top;line-height:1.75}
.capabilities thead th{font-size:12px;color:var(--muted);font-weight:600;background:var(--paper-2)}
.capabilities tbody th{white-space:nowrap;font-weight:600}
.capabilities td{color:var(--ink-2)}
.availability-note{margin-top:18px;font-size:13px;line-height:1.8;color:var(--muted)}
.native-downloads{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:42px}
.native-card{padding:30px;border-radius:var(--r-lg);background:var(--card);box-shadow:var(--shadow-2)}
.native-card h3{margin:12px 0;font-size:25px;letter-spacing:-.035em}
.native-card>p:not(.eyebrow){color:var(--ink-2);font-size:15px;line-height:1.8}
.native-card .native-status{margin:16px 0 22px;font-size:13px!important;color:var(--muted)!important;min-height:48px}
.native-pending{background:var(--paper-2);color:var(--muted);cursor:default;box-shadow:inset 0 0 0 1px var(--line-2)}
.native-integrity{margin-top:20px;font-size:12px;color:var(--muted)}
.native-integrity summary{cursor:pointer;min-height:30px}
.native-integrity p{margin:6px 0}
.native-integrity code{display:block;overflow-wrap:anywhere;font:11px/1.8 var(--mono)}
.extension-heading{margin:44px 0 0;text-align:center;color:var(--ink-2);font-size:15px}
.download{padding-bottom:20px}
.detect{display:inline-flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 12px;padding:8px 8px 8px 14px;border-radius:999px;background:var(--card);box-shadow:var(--shadow-1);font-size:14px!important;color:var(--ink-2)}
.detect-dot{width:8px;height:8px;border-radius:50%;background:var(--good);box-shadow:0 0 0 4px rgb(47 158 99/.15)}
.detect .link{font-size:13px;padding:4px 10px;border-radius:999px;background-image:none}
.detect .link:hover{background:var(--ember-soft)}
.platforms{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:44px}
.platforms button{display:flex;align-items:center;gap:9px;height:46px;padding:0 18px 0 14px;border:0;border-radius:999px;background:transparent;box-shadow:inset 0 0 0 1px var(--line-2);font:550 14.5px/1 var(--sans);color:var(--ink-2);cursor:pointer;transition:background .25s,color .25s,box-shadow .25s,transform .3s var(--spring)}
.platforms button:hover{background:var(--card);color:var(--ink)}
.platforms button:active{transform:scale(.96)}
.platforms button[aria-selected=true]{background:var(--ink);color:var(--paper);box-shadow:none}
.platforms svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.platforms .badge{margin-left:2px;padding:2px 7px;border-radius:999px;background:var(--ember);color:#fff;font-size:11px;font-weight:650}
.install{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(28px,5vw,64px);margin-top:28px;padding:clamp(28px,4.5vw,52px);border-radius:var(--r-xl);background:var(--card);box-shadow:var(--shadow-3);overflow:hidden;position:relative}
.install::before{content:"";position:absolute;right:-120px;top:-160px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgb(255 120 60/.14),transparent 70%);pointer-events:none}
.install.swap .install-main,.install.swap .steps{animation:swap .55s var(--ease) both}
.install.swap .steps{animation-delay:.06s}
@keyframes swap{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.install-kicker{font-size:13px;font-weight:600;color:var(--muted)}
.install h3{margin-top:10px;font-size:clamp(28px,3.6vw,40px);line-height:1.12;font-weight:740;letter-spacing:-.04em}
.install-lead{margin-top:14px;font-size:16px;color:var(--ink-2);line-height:1.75}
.install-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.install-note{margin-top:14px;font-size:13px;color:var(--muted);line-height:1.6}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:12px;counter-reset:step;align-content:center}
.steps li{position:relative;display:grid;grid-template-columns:40px 1fr;gap:4px 16px;padding:18px 20px;border-radius:var(--r);background:var(--paper);box-shadow:inset 0 0 0 1px var(--line);counter-increment:step}
.steps li::before{content:counter(step);grid-row:span 2;width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:var(--card);box-shadow:var(--shadow-1);font:650 14px/1 var(--sans);color:var(--ember-deep)}
@media(prefers-color-scheme:dark){.steps li::before{color:var(--ember-2)}}
.steps b{font-size:16px;font-weight:650;letter-spacing:-.01em}
.steps span{font-size:14px;color:var(--muted);line-height:1.6}
.steps code{font:13px var(--mono);padding:1px 6px;border-radius:5px;background:var(--line)}
.handoff{display:flex;align-items:center;gap:28px;max-width:620px;margin:20px auto 0;padding:22px 28px 22px 22px;border-radius:var(--r-lg);background:var(--card);box-shadow:var(--shadow-1)}
.handoff h3{font-size:18px;font-weight:650;letter-spacing:-.02em}
.handoff p{margin:6px 0 8px;font-size:14px;color:var(--muted)}
.qr{flex:none;width:112px;height:112px;padding:8px;border-radius:14px;background:#fff;box-shadow:0 0 0 .5px var(--line-2)}
.qr svg{width:100%;height:100%;display:block}

/* Privacy */
.privacy{width:var(--wrap);margin:clamp(100px,14vw,160px) auto 0;display:grid;grid-template-columns:auto 1fr;gap:clamp(24px,5vw,56px);align-items:start;padding:clamp(32px,5vw,60px);border-radius:var(--r-xl);background:var(--paper-2);box-shadow:inset 0 0 0 1px var(--line)}
.privacy-icon{width:72px;height:72px;display:grid;place-items:center;border-radius:22px;background:var(--card);color:var(--good);box-shadow:var(--shadow-2)}
.privacy-icon svg{width:36px;height:36px}
.privacy h2{margin-top:0;font-size:clamp(28px,3.8vw,44px)}
.privacy p{margin:16px 0 18px;max-width:640px;color:var(--ink-2);font-size:16px;line-height:1.8}

/* FAQ */
.faq-list{margin-top:44px;border-top:1px solid var(--line-2)}
.faq details{border-bottom:1px solid var(--line-2)}
.faq summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:26px 4px;font-size:clamp(17px,1.8vw,20px);font-weight:600;letter-spacing:-.015em;cursor:pointer}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:28px;height:28px;border-radius:50%;box-shadow:inset 0 0 0 1px var(--line-2);background:linear-gradient(var(--ink),var(--ink)) center/11px 1.5px no-repeat,linear-gradient(var(--ink),var(--ink)) center/1.5px 11px no-repeat;transition:transform .4s var(--spring),background-color .2s}
.faq details[open] summary::after{transform:rotate(135deg);background-color:var(--card)}
.faq summary:hover::after{background-color:var(--card)}
.faq details p{max-width:760px;padding:0 4px 28px;color:var(--ink-2);font-size:16px;line-height:1.8;animation:swap .45s var(--ease) both}

/* Closing */
.closing{width:var(--wrap);margin:clamp(110px,14vw,170px) auto 0;padding:clamp(56px,8vw,100px) 24px;border-radius:var(--r-xl);text-align:center;color:var(--night-ink);background:radial-gradient(60% 80% at 50% 120%,rgb(255 90 31/.55),transparent 70%),radial-gradient(40% 50% at 15% 0%,rgb(255 160 100/.18),transparent 70%),var(--night);overflow:hidden}
.closing h2{margin:0 0 36px}

/* Footer */
.footer{width:var(--wrap);margin:0 auto;padding:56px 0 calc(48px + env(safe-area-inset-bottom));display:flex;flex-wrap:wrap;align-items:center;gap:16px 32px;font-size:14px;color:var(--muted)}
.footer-brand{display:flex;align-items:center;gap:8px;font-weight:650;color:var(--ink)}
.footer-brand img{width:22px;height:22px}
.footer nav{display:flex;gap:20px}
.footer nav a{text-decoration:none}
.footer nav a:hover{color:var(--ink)}
.footer>p{margin-left:auto}

/* Toast */
.toast{position:fixed;z-index:120;left:50%;bottom:calc(28px + env(safe-area-inset-bottom));transform:translate(-50%,20px);padding:12px 18px;border-radius:999px;background:var(--ink);color:var(--paper);font-size:14px;opacity:0;pointer-events:none;transition:opacity .3s var(--ease),transform .45s var(--spring)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* Responsive */
@media(max-width:900px){
  .nav-links{display:none}
  .nav{gap:12px}.nav-cta{margin-left:auto}
  .bento{grid-template-columns:1fr}
  .tile-wide{grid-column:auto;grid-template-columns:1fr;grid-template-areas:"demo" "title" "text";gap:6px}
  .tile-wide h3{margin-top:22px}
  .trio{grid-template-columns:1fr;gap:24px}
  .harvest{grid-template-columns:1fr}
  .harvest-card{max-width:440px;margin:0 auto;width:100%}
  .learning-loop{grid-template-columns:repeat(2,minmax(0,1fr))}
  .install{grid-template-columns:1fr}
  .privacy{grid-template-columns:1fr}
  .footer>p{margin-left:0;width:100%}
}
@media(max-width:560px){
  :root{--wrap:calc(100vw - 32px)}
  .hero{padding-top:120px}
  .hero-actions .btn{width:100%}
  .native-downloads{grid-template-columns:1fr;gap:16px}
  .native-card{padding:24px}
  .learning-loop{gap:20px}
  .window-bar .address{font-size:11px}
  .window-page{min-height:360px;padding-right:70px}
  .player{aspect-ratio:4/3.6}
  .player-hint{display:none}
  .player-cap{bottom:13%}
  .platforms{justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;margin-left:-16px;margin-right:-16px;padding:2px 16px 6px;scrollbar-width:none}
  .platforms button{flex:none}
  .install-actions .btn{width:100%}
  .handoff{display:none}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .window{transform:none}
}

/* ===== Install wizard ===== */
.wizard{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:clamp(24px,4vw,48px);margin-top:28px;padding:clamp(20px,3.2vw,36px);border-radius:var(--r-xl);background:var(--card);box-shadow:var(--shadow-3);position:relative;overflow:hidden}
.wizard::before{content:"";position:absolute;left:-140px;top:-180px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgb(255 120 60/.12),transparent 70%);pointer-events:none}
.wz-stage{position:relative;display:flex;flex-direction:column;gap:14px;min-width:0}
.wz-scene{position:relative;aspect-ratio:16/10.5;grid-template-rows:minmax(0,1fr);grid-template-columns:minmax(0,1fr);justify-items:center;border-radius:20px;background:linear-gradient(160deg,#efe7dc,#e6dccd);display:grid;place-items:center;padding:clamp(14px,3%,28px);overflow:hidden;touch-action:pan-y}
@media(prefers-color-scheme:dark){.wz-scene{background:linear-gradient(160deg,#25211c,#1b1814)}}
.wz-scene.enter>*{animation:wzin .55s var(--ease) both}
@keyframes wzin{from{opacity:0;transform:translateY(10px) scale(.985)}to{opacity:1;transform:none}}
.wz-dots{display:flex;justify-content:center;gap:8px}
.wz-dots button{width:8px;height:8px;padding:0;border:0;border-radius:8px;background:var(--line-2);cursor:pointer;transition:width .4s var(--spring),background .3s}
.wz-dots button.done{background:color-mix(in oklab,var(--ember) 45%,var(--line-2))}
.wz-dots button[aria-selected=true]{width:26px;background:var(--ember)}
.wz-panel{display:flex;flex-direction:column;min-width:0;padding-top:4px}
.wz-kicker{font-size:13px;font-weight:600;color:var(--muted)}
.wz-progress{height:4px;margin-top:14px;border-radius:4px;background:var(--line);overflow:hidden}
.wz-progress span{display:block;width:100%;height:100%;border-radius:inherit;background:var(--ember);transform-origin:left;transform:scaleX(0);transition:transform .65s cubic-bezier(.16,1,.3,1)}
.wz-count{margin-top:16px;font-size:13px;font-weight:600;color:var(--ember-deep)}
@media(prefers-color-scheme:dark){.wz-count{color:var(--ember-2)}}
.wz-title{margin-top:6px;font-size:clamp(24px,2.8vw,32px);line-height:1.18;font-weight:740;letter-spacing:-.035em;animation:wzin .5s var(--ease) both}
.wz-text{margin-top:10px;font-size:16px;line-height:1.75;color:var(--ink-2);animation:wzin .5s var(--ease) .04s both}
.wz-action{margin-top:20px}
.wz-action:empty{display:none}
.wz-cta{width:100%}
.wz-nav{display:flex;gap:10px;margin-top:14px}
.wz-nav .btn{flex:1}
.wz-nav .btn:disabled{opacity:.35;cursor:default;transform:none}
.wz-list{list-style:none;margin:22px 0 0;padding:16px 0 0;border-top:1px solid var(--line);display:grid;gap:2px}
.wz-list button{display:flex;align-items:center;gap:10px;width:100%;padding:7px 8px;border:0;border-radius:10px;background:none;font:14px/1.4 var(--sans);color:var(--muted);text-align:left;cursor:pointer;transition:background .2s,color .2s}
.wz-list button:hover{background:var(--line);color:var(--ink)}
.wz-list span{flex:none;width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:var(--paper-2);font-size:12px;font-weight:650;transition:background .3s,color .3s}
.wz-list li.on button{color:var(--ink);font-weight:600}
.wz-list li.on span{background:var(--ember);color:#fff;box-shadow:0 0 0 4px var(--ember-soft)}
.wz-list li.done span{background:color-mix(in oklab,var(--good) 18%,transparent);color:var(--good);font-size:0}
.wz-list li.done span::before{content:"✓";font-size:12px}
.wz-help{margin-top:14px;font-size:13px;color:var(--muted)}
.wz-help:empty{display:none}

/* Pointer: glides in, then taps the target. */
.wz-pointer{position:absolute;left:var(--x);top:var(--y);z-index:5;width:0;height:0;pointer-events:none}
.wz-ring{position:absolute;left:-22px;top:-22px;width:44px;height:44px;border-radius:50%;border:2.5px solid var(--ember);box-shadow:0 0 0 6px rgb(255 90 31/.18);animation:ring 1.6s var(--ease) .9s infinite;opacity:0}
@keyframes ring{0%{opacity:0;transform:scale(.6)}25%{opacity:1;transform:scale(1)}100%{opacity:0;transform:scale(1.5)}}
.wz-cursor{position:absolute;left:-3px;top:-2px;width:26px;height:26px;filter:drop-shadow(0 3px 4px rgb(0 0 0/.3));animation:glide 1s var(--ease) both,press 1.6s var(--ease) 1s infinite}
@keyframes glide{from{transform:translate(70px,60px);opacity:0}to{transform:none;opacity:1}}
@keyframes press{0%,100%{transform:none}30%{transform:scale(.86)}}
.wz-tap{display:none}
.wz-pointer.touch .wz-cursor{display:none}
.wz-pointer.touch .wz-tap{display:block;position:absolute;left:-15px;top:-15px;width:30px;height:30px;border-radius:50%;background:rgb(255 255 255/.55);box-shadow:0 0 0 1.5px rgb(0 0 0/.18),0 6px 14px rgb(0 0 0/.25);animation:tapin .7s var(--ease) both,tap 1.6s var(--ease) .9s infinite}
@keyframes tapin{from{opacity:0;transform:scale(1.6)}to{opacity:1;transform:none}}
@keyframes tap{0%,100%{transform:none}30%{transform:scale(.78);background:rgb(255 255 255/.8)}}
.hot{position:relative;box-shadow:0 0 0 2px var(--ember),0 0 0 7px rgb(255 90 31/.2)!important;animation:hot 1.6s var(--ease) infinite}
@keyframes hot{50%{box-shadow:0 0 0 2px var(--ember),0 0 0 11px rgb(255 90 31/.08)}}
.sx-pill.done{background:#e8f0fe}
.sx-dev .sx-toggle.hot{border-radius:16px}

/* Device frames */
.win{width:100%;height:100%;min-height:0;display:flex;flex-direction:column;border-radius:12px;background:#fbfaf8;color:#222;box-shadow:0 0 0 .5px rgb(0 0 0/.18),0 22px 50px -18px rgb(40 20 0/.45);overflow:hidden;font:12px/1.45 var(--sans)}
.win-bar{flex:none;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:30px;padding:0 10px;background:#ece8e2;border-bottom:1px solid rgb(0 0 0/.07)}
.win.desk .win-bar{display:flex;justify-content:space-between;background:#f3f1ee}
.win-dots{display:flex;gap:6px}.win-dots i{width:10px;height:10px;border-radius:50%;background:#ff5f57}.win-dots i:nth-child(2){background:#febc2e}.win-dots i:nth-child(3){background:#28c840}
.win-title{font-weight:600;color:#555;font-size:12px}
.win-ctl{display:flex;gap:14px;color:#777;font-style:normal}.win-ctl i{font-style:normal;font-size:11px}
.win-body{position:relative;flex:1;min-height:0;overflow:hidden}
.dev{position:relative;height:100%;min-height:0;max-height:100%;aspect-ratio:9/18.5;overflow:hidden;padding:9px;border-radius:38px;background:#1c1c1e;box-shadow:inset 0 0 0 2px #3a3a3c,0 24px 50px -16px rgb(0 0 0/.5)}
.dev.android{border-radius:30px}
.dev-screen{position:relative;height:100%;min-height:0;border-radius:30px;background:#f2f2f7;overflow:hidden;display:flex;flex-direction:column;font:11.5px/1.4 var(--sans);color:#111}
.dev.android .dev-screen{border-radius:22px;background:#fafafa}
.dev-status{flex:none;display:flex;justify-content:space-between;align-items:center;height:30px;padding:0 18px;font-weight:600;font-size:11px}
.dev-island{width:58px;height:17px;border-radius:12px;background:#000}
.dev.android .dev-island{width:11px;height:11px;border-radius:50%}
.dev-bat{width:20px;height:9px;border-radius:3px;border:1.4px solid #111;position:relative}.dev-bat::after{content:"";position:absolute;inset:1px 5px 1px 1px;background:#111;border-radius:1px}
.dev-body{position:relative;flex:1;min-height:0}

/* Scene widgets (simplified, recognisable UI) */
.sx-appicon{display:inline-flex;align-items:center;justify-content:center;gap:2px;width:28px;height:28px;border-radius:8px;background:linear-gradient(160deg,#ff7a3d,#f04a0c);box-shadow:inset 0 0 0 .5px rgb(0 0 0/.12);flex:none}
.sx-appicon i{width:2.5px;height:12px;border-radius:2px;background:#fff}.sx-appicon i:nth-child(1){height:7px}.sx-appicon i:nth-child(3){height:9px}
.sx-browser{height:100%;display:flex;flex-direction:column;background:#fff}
.sx-tool{flex:none;display:flex;align-items:center;gap:10px;height:34px;padding:0 12px;border-bottom:1px solid #eee}
.sx-url{flex:1;max-width:60%;margin:0 auto;padding:4px 10px;border-radius:7px;background:#f1f0ee;color:#666;font-size:11px;text-align:center}
.sx-url.mono{font-family:var(--mono)}
.sx-dl,.sx-puzzle{width:22px;height:22px;border-radius:6px;background:#f1f0ee;position:relative}
.sx-dl::after{content:"↓";position:absolute;inset:0;display:grid;place-items:center;color:#2b7bff;font-weight:700}
.sx-puzzle::after{content:"⧉";position:absolute;inset:0;display:grid;place-items:center;color:#666}
.sx-pop{position:absolute;right:4%;top:46px;width:min(260px,55%);padding:10px;border-radius:12px;background:#fff;box-shadow:0 12px 30px -8px rgb(0 0 0/.3),0 0 0 .5px rgb(0 0 0/.1)}
.sx-file{display:flex;gap:10px;align-items:center}
.sx-file b{display:block;font-size:12px}.sx-file small{color:#888}
.sx-dmg{height:100%;display:flex;align-items:center;justify-content:center;gap:6%;background:linear-gradient(180deg,#f7f6f3,#ecebe7)}
.sx-dmg-app{display:flex;flex-direction:column;align-items:center;gap:8px;font-weight:600;color:#333}
.sx-dmg-app .sx-appicon{width:62px;height:62px;border-radius:15px;gap:4px}.sx-dmg-app .sx-appicon i{width:5px;height:26px}.sx-dmg-app .sx-appicon i:nth-child(1){height:15px}.sx-dmg-app .sx-appicon i:nth-child(3){height:20px}
.sx-dmg-arrow{width:22%;color:#c9c3ba;animation:dash 1.2s linear infinite}
@keyframes dash{to{stroke-dashoffset:-14}}
.sx-dmg-arrow path{stroke-dashoffset:0;animation:dash 1s linear infinite}
.sx-folder{display:inline-block;width:62px;height:50px;border-radius:6px 6px 8px 8px;background:linear-gradient(180deg,#8ec5ff,#4b9cf5);position:relative}
.sx-folder::before{content:"";position:absolute;left:0;top:-7px;width:26px;height:10px;border-radius:5px 5px 0 0;background:#6cb0fb}
.sx-folder.sm{width:20px;height:15px;border-radius:3px}.sx-folder.sm::before{top:-3px;width:9px;height:5px}
.sx-prefs{height:100%;display:flex;flex-direction:column;background:#fbfaf8}
.sx-tabs{flex:none;display:flex;justify-content:center;flex-wrap:wrap;gap:2px 10px;padding:8px 10px;border-bottom:1px solid #eee;font-size:10.5px;color:#777}
.sx-tabs .on{color:#2b7bff;font-weight:650}
.sx-split{flex:1;display:grid;grid-template-columns:42% 1fr;min-height:0}
.sx-side{border-right:1px solid #eee;padding:10px 8px;display:flex;flex-direction:column;gap:4px}
.sx-row{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:7px;font-size:11.5px}
.sx-row.sel{background:#e8f0fe}.sx-row.dim{opacity:.45}
.sx-row .sx-appicon{width:20px;height:20px;border-radius:6px}.sx-row .sx-appicon i{height:8px;width:2px}
.sx-ph{width:20px;height:20px;border-radius:6px;background:#ddd}
.sx-check{width:14px;height:14px;border-radius:4px;border:1.5px solid #aaa;flex:none;position:relative}
.sx-check.on{background:#2b7bff;border-color:#2b7bff}.sx-check.on::after{content:"✓";position:absolute;inset:-3px 0 0 1px;color:#fff;font-size:11px;font-weight:700}
.sx-detail{padding:14px 16px;display:flex;flex-direction:column;gap:4px}
.sx-detail b{font-size:14px}.sx-detail small{color:#888}
.sx-menu{display:flex;gap:4px;margin-top:12px;padding:3px;border-radius:8px;background:#f0efed;width:max-content}
.sx-menu span{padding:4px 10px;border-radius:6px;font-size:11px;color:#666}.sx-menu .hot{background:#fff;color:#111;font-weight:600}
.sx-cap{margin-top:4px}
.sx-center{height:100%;display:grid;place-items:center;background:#f6f4f0}
.sx-token{width:min(380px,86%);padding:16px;border-radius:14px;background:#fff;box-shadow:0 10px 30px -14px rgb(0 0 0/.35),0 0 0 .5px rgb(0 0 0/.08)}
.sx-token-head{display:flex;gap:10px;align-items:center}
.sx-token-head b{display:block;font-size:13px}.sx-token-head small{color:#888;font-size:11px}
.sx-key{width:30px;height:30px;border-radius:9px;background:#ffe8dc;position:relative}.sx-key::after{content:"⚿";position:absolute;inset:0;display:grid;place-items:center;color:#e5550f}
.sx-field{display:flex;align-items:center;gap:8px;margin-top:12px;padding:4px 4px 4px 12px;border-radius:10px;background:#f3f1ee;box-shadow:inset 0 0 0 1.5px #ff7a3d}
.sx-dots{flex:1;letter-spacing:2px;color:#555;font-family:var(--mono);overflow:hidden;white-space:nowrap}
.sx-btn{flex:none;padding:6px 14px;border-radius:8px;background:#ff5a1f;color:#fff;font-weight:650;font-size:12px}
.sx-note{position:absolute;left:0;right:0;bottom:6%;text-align:center;font-size:11.5px;color:#7a7268}
.sx-article{position:relative;padding:22px 16% 0 10%;display:flex;flex-direction:column;gap:7px}
.sx-article i{display:block;height:7px;border-radius:4px;background:#e6e2dc}
.sx-article .k{width:12%;height:5px;background:#ffb08a}.sx-article .h{width:70%;height:14px;background:#333;margin-bottom:6px}
.sx-article .l{width:100%}.sx-article .s{width:82%}.sx-article .m{width:64%}
.sx-article .t{width:90%;height:8px;background:#ffd9c6}
.sx-ball{position:absolute;right:4%;top:46%;width:30px;height:30px;border-radius:50%;background:#ff5a1f;display:flex;align-items:center;justify-content:center;gap:2px;box-shadow:0 8px 18px -6px rgb(255 90 31/.8)}
.sx-ball b{width:2.5px;height:10px;border-radius:2px;background:#fff}.sx-ball b:nth-child(1){height:6px}.sx-ball b:nth-child(3){height:8px}
.sx-files{height:100%;display:flex;align-items:center;justify-content:center;gap:5%;background:#fff}
.sx-fileicon{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:11.5px;max-width:34%;text-align:center}
.sx-fileicon b{font-weight:550;word-break:break-all}
.sx-fileicon.zip>span{width:46px;height:58px;border-radius:5px;background:linear-gradient(180deg,#f6f4f0,#e5e1da);box-shadow:inset 0 0 0 1px #d6d1c8;position:relative}
.sx-fileicon.zip>span::after{content:"";position:absolute;left:50%;top:6px;bottom:14px;width:5px;transform:translateX(-50%);background:repeating-linear-gradient(#999 0 3px,transparent 3px 6px)}
.sx-mini-arrow{width:12%;color:#c9c3ba}
.sx-ext-head{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid #eee}
.sx-ext-head b{font-size:14px}
.sx-dev{display:flex;align-items:center;gap:8px;font-size:11px;color:#555;padding:4px 6px;border-radius:8px}
.sx-toggle{display:inline-block;width:28px;height:16px;border-radius:16px;background:#cfcfcf;position:relative;flex:none}
.sx-toggle::after{content:"";position:absolute;top:2px;left:2px;width:12px;height:12px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgb(0 0 0/.3)}
.sx-toggle.on{background:#1a73e8}.sx-toggle.on::after{left:14px}
.sx-ext-bar{display:flex;gap:6px;padding:8px 14px;border-bottom:1px solid #eee}
.sx-pill{padding:5px 10px;border-radius:7px;border:1px solid #dadce0;color:#1a73e8;font-size:11px;white-space:nowrap}
.sx-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:12px 14px}
.sx-cards i{height:54px;border-radius:9px;background:#f3f3f3}
.sx-dialog{position:absolute;left:24%;right:24%;top:40%;padding:10px;border-radius:12px;background:#fff;box-shadow:0 18px 40px -12px rgb(0 0 0/.4),0 0 0 .5px rgb(0 0 0/.12);display:flex;flex-direction:column;gap:4px}
.sx-dialog-row{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:7px;font-size:11.5px}
.sx-dialog-row.sel{background:#e8f0fe;font-weight:600}
.sx-dialog .sx-btn{align-self:flex-end;margin-top:4px;background:#1a73e8}
.sx-ios{height:100%;min-height:0;overflow:hidden;display:flex;flex-direction:column;gap:10px;padding:6px 12px 12px;background:#f2f2f7}
.sx-ios.pad{justify-content:center;padding:12px}
.sx-ios.pad .sx-token{width:100%;padding:12px}.sx-ios.pad .sx-note{position:static;margin-top:10px;font-size:10.5px}
.sx-ios.web{padding:0;background:#fff;position:relative}
.sx-ios.web .sx-article{padding:22px 22% 0 8%}
.sx-ios.dim{background:#555}
.sx-ios-nav{font-size:17px;font-weight:700;padding:6px 2px}
.sx-ios-nav.back{font-size:14px}.sx-ios-nav.back::before{content:"‹ ";color:#0a84ff;font-weight:400}
.sx-tf{display:flex;align-items:center;gap:10px;padding:10px;border-radius:12px;background:#fff}
.sx-tf .sx-appicon,.sx-tf .sx-ff{width:42px;height:42px;border-radius:11px}
.sx-tf b{display:block;font-size:12.5px}.sx-tf small{color:#888;font-size:10.5px}.sx-tf>div{flex:1}
.sx-ff{display:inline-block;background:radial-gradient(circle at 60% 40%,#ffbd4f,#ff6a1f 45%,#8b2ee3 85%)}
.sx-get{padding:5px 14px;border-radius:999px;background:#0a84ff;color:#fff;font-weight:700;font-size:11px}
.sx-get.green{background:#01875f}.sx-get.blue{background:#0060df}.sx-get.wide{display:block;text-align:center;margin-top:12px;padding:8px}
.sx-lines{display:flex;flex-direction:column;gap:6px;padding:8px}.sx-lines i{height:7px;border-radius:4px;background:#dedee3}.sx-lines .s{width:60%}
.sx-ios-label{font-size:10px;color:#888;padding:0 6px;margin-bottom:-4px;text-transform:uppercase}
.sx-ios-group{border-radius:11px;background:#fff;overflow:hidden}
.sx-ios-row{display:flex;align-items:center;gap:8px;padding:9px 10px;font-size:12px;border-bottom:.5px solid #e5e5ea}
.sx-ios-row:last-child{border-bottom:0}
.sx-ios-row em{margin-left:auto;font-style:normal;color:#999}.sx-ios-row em.ok{color:#0a84ff}
.sx-ios-row .sx-toggle{margin-left:auto;width:34px;height:20px}.sx-ios-row .sx-toggle::after{width:16px;height:16px}.sx-ios-row .sx-toggle.on{background:#34c759}.sx-ios-row .sx-toggle.on::after{left:16px}
.sx-ios-row .sx-appicon{width:22px;height:22px;border-radius:6px}.sx-ios-row .sx-appicon i{height:8px;width:2px}
.sx-ios-row.hot{border-radius:0}
.sx-ios-bar{position:absolute;left:8px;right:8px;bottom:10px;height:30px;border-radius:12px;background:#f2f2f7;display:grid;place-items:center}.sx-ios-bar span{width:50%;height:7px;border-radius:4px;background:#ccc}
.sx-amo{display:flex;flex-direction:column;align-items:center;gap:4px;padding:18px 12px;border-radius:12px;background:#fff;text-align:center}
.sx-amo .sx-appicon{width:52px;height:52px;border-radius:13px}.sx-amo b{font-size:13px}.sx-amo small{color:#888;font-size:10.5px}.sx-amo .sx-get{align-self:stretch}
.sx-sheet{margin-top:auto;padding:16px 14px;border-radius:16px;background:#fff;display:flex;flex-direction:column;gap:4px}
.sx-sheet b{font-size:13px}.sx-sheet small{color:#666;font-size:10.5px}
.sx-sheet-btns{display:flex;justify-content:flex-end;gap:16px;margin-top:12px;font-weight:650;font-size:12px}.sx-sheet-btns .blue{color:#0060df;padding:3px 8px}

@media(max-width:900px){
  .wizard{grid-template-columns:1fr}
  .wz-list{display:none}
}
@media(max-width:560px){
  .wizard{margin-left:-6px;margin-right:-6px;padding:14px}
  .wz-scene{aspect-ratio:4/3.6;padding:12px}
  .win{font-size:10.5px}
  .sx-tabs{font-size:9px;gap:1px 6px}
  .sx-ext-bar .sx-pill:nth-child(n+2){display:none}
  .sx-dialog{left:10%;right:10%}
}

.fit{flex:none;scale:var(--fit,1);transform-origin:center;position:absolute;left:50%;top:50%;translate:-50% -50%}
.fit .dev{height:100%;max-height:none;aspect-ratio:auto;width:100%}
.fit .win{font-size:13px}
.wz-scene{display:block}

/* Phone scenes: a bit more breathing room, larger type than the desktop sketch. */
.fit .dev-screen{font-size:12.5px}
.fit .sx-ios-nav{font-size:19px}
.fit .sx-ios-row{padding:11px 12px;font-size:13px}
.fit .sx-tf b{font-size:14px}
.fit .sx-token b{font-size:14px}
.fit .sx-note{font-size:12px}

/* Account step matches the extension; these are illustrative, non-interactive fields. */
.sx-account-user{margin-top:12px;padding:9px 12px;border:1px solid #e3ddd5;border-radius:9px;color:#8b8278;background:#faf7f1;font-size:12px}
.wz-panel .btn{transition-timing-function:cubic-bezier(.16,1,.3,1)}
@media(prefers-reduced-motion:reduce){.wz-scene *,.wz-panel *{animation:none!important;transition:none!important}}