/* Gushi Repo shared foundations and package depictions. */
@font-face{font-family:Geist;src:url('Geist.woff2') format('woff2');font-weight:100 900;font-style:normal;font-display:swap}
:root{color-scheme:dark light;
--bg:#000000;--bg2:#181818;--card:#181818;--card2:#1f1f1f;
--text:#f5f5f3;--muted:#a3a39e;--line:rgba(235,255,250,.09);--line2:rgba(235,255,250,.16);
--accent:#efbc78;--accent2:#ffd59e;--ink:#181818;
--disp:Geist,"PingFang SC","Microsoft YaHei",sans-serif;
--mono:var(--disp);
--r-lg:24px;--r-md:16px;--r-sm:12px;
--ease:cubic-bezier(.16,1,.3,1)}
@media(prefers-color-scheme:light){:root{--bg:#f5f5f3;--bg2:#eeede9;--card:#ffffff;--card2:#f5f5f3;--text:#181818;--muted:#62625c;--line:rgba(20,40,80,.12);--line2:rgba(20,40,80,.2);--accent:#855126;--accent2:#69401e;--ink:#fff}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);overflow-x:clip;
font:16px/1.75 var(--disp);letter-spacing:.002em;
-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
background-image:none}
::selection{background:var(--accent);color:var(--ink)}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:6px}
img{display:block}
.skip-link{position:fixed;top:8px;left:8px;z-index:100;transform:translateY(-200%);padding:12px 16px;background:var(--accent);color:var(--ink);border-radius:8px}
.skip-link:focus{transform:none}
h1,h2,h3,p{margin:0}
.wrap,body>main{max-width:1140px;margin:auto;padding:0 clamp(20px,4vw,44px)}

/* ── header ─────────────────────────────── */
.top{position:sticky;top:0;z-index:50;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);background:color-mix(in srgb,var(--bg) 72%,transparent);border-bottom:1px solid transparent;transition:border-color .4s,background .4s}
.top.scrolled{border-bottom-color:var(--line)}
.bar{max-width:1140px;margin:auto;padding:16px clamp(20px,4vw,44px);display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;min-height:44px;font-size:15px;letter-spacing:.02em}
.brand img{border-radius:10px;transition:transform .5s var(--ease)}
.brand:hover img{transform:rotate(-8deg) scale(1.06)}
.brand span{font-weight:650}.brand b{font-weight:300;color:var(--muted);margin-left:5px;font-weight:400}
nav{display:flex;align-items:center;gap:8px}
.navlink{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--muted);padding:11px 14px;border-radius:99px;transition:color .3s,background .3s}
.navlink:hover{color:var(--text);background:var(--line)}

/* ── hero ───────────────────────────────── */
.hero{display:grid;grid-template-columns:1.12fr .88fr;gap:clamp(36px,6vw,84px);align-items:center;padding:clamp(64px,9vw,132px) 0 clamp(48px,7vw,96px);overflow:clip}
.eyebrow{font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--accent)}
h1{font-size:clamp(42px,7.2vw,96px);font-weight:600;letter-spacing:-.045em;line-height:1.04;margin:22px 0 0}
h1 span{display:block;font-size:.36em;font-weight:350;letter-spacing:-.015em;line-height:1.3;color:var(--muted);margin-top:18px}
h1 em{font-style:normal;color:var(--accent)}
.hero-subtitle{margin-top:22px;color:var(--muted);font-size:18px;letter-spacing:.06em}
.herotext{min-width:0}
.hero .actions{gap:10px}
.hero .button{padding-inline:18px}
.section-nav{flex-wrap:wrap;gap:8px;margin-top:30px}
.section-nav a{padding:10px 14px;min-height:44px;border:1px solid var(--line);border-radius:12px;font-size:12px;color:var(--muted)}
.section-nav a:hover{color:var(--accent);border-color:var(--accent)}
#screenshots{margin-top:48px}
.lede{margin-top:26px;max-width:52ch}
.lede p:first-child{font-size:17px}
.en{color:var(--muted);font-size:14.5px;margin-top:6px}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}

/* buttons */
.button{position:relative;overflow:hidden;display:inline-flex;align-items:center;gap:14px;min-height:52px;padding:12px 22px;border-radius:16px;border:1px solid var(--line2);font-size:14.5px;font-weight:650;letter-spacing:.01em;cursor:pointer;transition:transform .35s var(--ease),border-color .35s,background .35s,box-shadow .35s}
.button .bl{display:flex;flex-direction:column;line-height:1.25;text-align:left}
.button .bl i{font-style:normal;font-size:11px;font-weight:500;opacity:.6;letter-spacing:.04em}
.button .arr{font-size:16px;transition:transform .35s var(--ease)}
.button:hover{transform:translateY(-2px)}
.button:hover .arr{transform:translateX(4px)}
.button.primary{background:var(--accent);color:var(--ink);border-color:transparent}
.button.primary::after{display:none;content:'';position:absolute;inset:0;background:linear-gradient(115deg,transparent 32%,rgba(255,255,255,.55) 50%,transparent 68%);transform:translateX(-130%);transition:transform .7s var(--ease)}
.button.primary:hover::after{transform:translateX(130%)}
.button.primary:hover{box-shadow:0 14px 36px -12px color-mix(in srgb,var(--accent) 55%,transparent)}
.button.ghost{background:transparent;color:var(--text)}
.button.ghost:hover{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,transparent)}

.address{margin-top:24px}
.addr{display:flex;flex-direction:column;align-items:flex-start;gap:5px;max-width:100%;margin-top:20px;font-family:var(--mono);font-size:13.5px;letter-spacing:.01em;color:var(--text);background:var(--card);border:1px solid var(--line);border-radius:14px;padding:13px 18px;cursor:pointer;overflow-wrap:anywhere;transition:border-color .3s,transform .3s var(--ease)}
.addr i{font-style:normal;font-size:11px;letter-spacing:.06em;color:var(--accent);white-space:nowrap}
.addr:hover{border-color:var(--accent);transform:translateY(-1px)}
.hint{font-size:12.5px;line-height:1.8;color:var(--muted);margin-top:16px;max-width:56ch}
.hint a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}

/* ── device mockup (signature) ──────────── */
.download-summary{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;margin-top:16px;color:var(--muted);font-size:14px;line-height:20px}
.download-summary strong{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}
.download-stats{margin-top:24px;max-width:680px;font-size:14px;line-height:20px;color:var(--muted)}
.download-stats summary{display:flex;align-items:baseline;gap:8px 16px;flex-wrap:wrap;cursor:pointer;min-height:48px;padding:12px 0}
.download-stats summary .download-summary{margin:0}
.download-stats summary>span:last-child{font-size:12px;line-height:16px}
.download-stats dl{margin:8px 0 16px;display:grid;gap:8px}
.download-stats dl>div{display:flex;justify-content:space-between;gap:16px}
.download-stats dd{margin:0;color:var(--text);font-variant-numeric:tabular-nums}
.download-stats p+p{margin-top:8px}
.promo-video{margin:24px 0 0}
.promo-video video{display:block;width:100%;height:auto;aspect-ratio:8/5;background:#181818;border-radius:16px}
.promo-video figcaption{display:flex;justify-content:space-between;gap:8px 16px;flex-wrap:wrap;margin-top:12px;color:var(--muted);font-size:12px;line-height:16px}
.promo-video a{padding:8px 0;color:var(--accent)}
.promo-video figcaption>span{padding:8px 0}

.heroart{position:relative;display:flex;justify-content:center}
.glow{position:absolute;inset:-28%;background:radial-gradient(46% 40% at 50% 46%,color-mix(in srgb,var(--accent) 17%,transparent),transparent 70%);filter:blur(8px);pointer-events:none}
.float{animation:floaty 7s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.pair{display:flex;justify-content:center;align-items:flex-start;transform:perspective(1000px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .3s ease-out}
.pair img{width:min(300px,70vw);height:auto;border-radius:26px;box-shadow:0 40px 80px -32px rgba(0,0,0,.78),0 0 0 1px var(--line)}

/* ── marquee ────────────────────────────── */
.marquee{overflow:hidden;border-block:1px solid var(--line);padding:17px 0;margin:0 0 clamp(56px,8vw,110px);-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.mtrack{display:flex;width:max-content;animation:slide 30s linear infinite}
.marquee:hover .mtrack{animation-play-state:paused}
.mg{display:flex;align-items:center;gap:2.6rem;padding-right:2.6rem;white-space:nowrap;font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.24em;color:var(--muted);text-transform:uppercase}
.mg b{color:var(--accent);font-weight:400}
@keyframes slide{to{transform:translateX(-50%)}}

/* ── sections ───────────────────────────── */
section{scroll-margin-top:90px}
.featured{display:grid;gap:26px;padding-bottom:clamp(64px,9vw,120px)}
.seclabel{display:flex;align-items:baseline;gap:16px;margin-bottom:24px}
.seclabel b{font-family:var(--mono);font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.1em}
.seclabel span{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.seclabel::after{content:'';flex:1;height:1px;background:var(--line);align-self:center}
.package{position:relative;overflow:hidden;display:grid;grid-template-columns:auto 1fr;gap:clamp(22px,3.5vw,40px);align-items:start;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(26px,4.5vw,48px);transition:border-color .4s,transform .5s var(--ease),box-shadow .5s}
.package::before{content:'';position:absolute;inset:0 0 auto;height:1px;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--accent) 65%,transparent),transparent);opacity:0;transition:opacity .5s}
.package:hover{border-color:var(--line2);transform:translateY(-4px);box-shadow:0 30px 70px -34px rgba(0,0,0,.55)}
.package:hover::before{opacity:1}
.appicon{border-radius:24%;box-shadow:0 18px 40px -16px rgba(0,0,0,.5)}
.ptag{font-family:var(--mono);font-size:10.5px;font-weight:700;letter-spacing:.2em;color:var(--accent)}
.package h2,.dhero h1{font-size:clamp(30px,4.5vw,52px);font-weight:600;letter-spacing:-.035em;line-height:1.1;margin:12px 0 16px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}
.tags span{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--muted);border:1px solid var(--line);border-radius:99px;padding:4px 12px;transition:border-color .3s,color .3s}
.package:hover .tags span{border-color:var(--line2)}
.textlink{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--accent);margin-top:6px}
.textlink .ta{font-style:normal;transition:transform .35s var(--ease)}
.textlink:hover .ta{transform:translateX(5px)}
.note{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:clamp(20px,3.5vw,32px)}
.note h3{font-size:15px;margin-bottom:12px}
.note h3 i{font-style:normal;font-weight:400;color:var(--muted);font-size:12.5px;margin-left:8px}

/* ── detail page ────────────────────────── */
.dhero{padding:clamp(40px,6vw,80px) 0 clamp(36px,5vw,64px)}
.back{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--muted);display:inline-block;transition:color .3s,transform .3s var(--ease)}
.back:hover{color:var(--accent);transform:translateX(-3px)}
.titleline{display:flex;gap:clamp(20px,3vw,32px);align-items:center;margin:30px 0 8px}
.titleline .tags{margin:14px 0 0}
.dhero .lede{margin:22px 0 0}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid article{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:26px 26px 24px;transition:border-color .35s,transform .45s var(--ease),background .35s}
.grid article:hover{border-color:var(--line2);transform:translateY(-3px);background:var(--card2)}
.fnum{position:absolute;top:22px;right:24px;font-family:var(--mono);font-style:normal;font-size:11px;font-weight:700;letter-spacing:.14em;color:color-mix(in srgb,var(--accent) 55%,var(--muted))}
.grid h3{font-size:16.5px;letter-spacing:-.01em;margin-bottom:14px;padding-right:44px}
.grid h3 i{display:block;font-style:normal;font-weight:400;font-size:12px;color:var(--muted);margin-top:3px}
.grid p{font-size:14px}
.grid .en{font-size:12.5px}
.shots{display:grid;grid-template-columns:minmax(0,268px);justify-content:center;gap:16px}
.shots figure{margin:0;background:var(--card);border:1px solid var(--line);border-radius:22px;overflow:hidden;transition:border-color .35s,transform .45s var(--ease)}
.shots figure:hover{border-color:var(--line2);transform:translateY(-3px)}
.shots img{width:100%;height:auto;display:block}
.shots figcaption{padding:13px 17px;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--muted)}
.note.install{margin:clamp(30px,5vw,54px) 0}
.note.install .actions{margin:22px 0 6px}
.note.install .button.ghost{min-height:46px;padding:10px 18px}
.count{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin:26px 0 8px}
.count b{font-size:clamp(44px,6vw,72px);font-weight:600;letter-spacing:-.04em;line-height:1;color:var(--accent)}
.count span{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.toggleall{margin-left:auto;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--muted);background:transparent;border:1px solid var(--line);border-radius:99px;padding:9px 16px;cursor:pointer;transition:color .3s,border-color .3s,background .3s}
.toggleall:hover{color:var(--accent);border-color:var(--accent);background:color-mix(in srgb,var(--accent) 6%,transparent)}

/* changelog accordion */
#changelog details{border-top:1px solid var(--line)}
#changelog details:last-child{border-bottom:1px solid var(--line)}
#changelog summary{cursor:pointer;list-style:none;display:flex;align-items:baseline;gap:18px;min-height:64px;padding:18px 4px;transition:background .3s}
#changelog summary::-webkit-details-marker{display:none}
#changelog summary:hover{background:color-mix(in srgb,var(--accent) 4%,transparent)}
#changelog summary b{font-family:var(--mono);font-size:14px;font-weight:700;letter-spacing:.02em}
#changelog summary time{font-family:var(--mono);font-size:11.5px;color:var(--muted);letter-spacing:.06em}
#changelog .chev{margin-left:auto;font-style:normal;color:var(--accent);font-size:17px;line-height:1;transition:transform .45s var(--ease)}
#changelog details[open] .chev{transform:rotate(45deg)}
.acc{display:grid;grid-template-rows:0fr;transition:grid-template-rows .5s var(--ease)}
details[open] .acc{grid-template-rows:1fr}
.acc>*{overflow:hidden}
.entry{padding:2px 4px 26px;max-width:72ch}
.entry p:first-child{font-size:14.5px}
.entry .en{font-size:13px}
.source{font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--muted);margin-top:14px}
.source a{color:var(--accent);border-bottom:1px solid color-mix(in srgb,var(--accent) 40%,transparent);transition:border-color .3s}
.source a:hover{border-bottom-color:var(--accent)}

/* ── footer ─────────────────────────────── */
.foot{margin-top:clamp(70px,10vw,130px);border-top:1px solid var(--line);padding-top:clamp(40px,6vw,70px);overflow:hidden}
.bigword{display:none;font-size:clamp(40px,15vw,208px);font-weight:600;letter-spacing:-.05em;line-height:.92;text-align:center;color:transparent;-webkit-text-stroke:1px var(--line2);-webkit-text-fill-color:transparent;user-select:none;pointer-events:none;white-space:nowrap}
.footline{max-width:1140px;margin:auto;padding:26px clamp(20px,4vw,44px) 30px;display:flex;flex-wrap:wrap;align-items:center;gap:12px 28px;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--muted)}
.footline a{display:inline-flex;align-items:center;min-height:44px;color:var(--muted);transition:color .3s}
.footline a:hover{color:var(--accent)}
.footnote{margin-left:auto;letter-spacing:.18em;text-transform:uppercase;font-size:10px}
.footline a{margin-left:0}

/* ── toast ──────────────────────────────── */
.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%,16px);opacity:0;background:var(--accent);color:var(--ink);font-size:13px;font-weight:700;padding:11px 20px;border-radius:99px;box-shadow:0 16px 40px -12px rgba(0,0,0,.5);transition:opacity .35s,transform .35s var(--ease);z-index:99;pointer-events:none}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ── reveal on scroll ───────────────────── */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .9s ease,transform .9s var(--ease);transition-delay:var(--d,0s)}
.js .reveal.in{opacity:1;transform:none}

/* ── responsive ─────────────────────────── */
@media(max-width:860px){
.hero{grid-template-columns:1fr;gap:52px}
.pair img{width:min(280px,70vw)}
.footnote{margin-left:0;width:100%}
}
@media(max-width:600px){
.grid{grid-template-columns:1fr}
.package{grid-template-columns:1fr}
.package .appicon{width:72px;height:72px}
.titleline{align-items:flex-start}
.titleline .appicon{width:80px;height:80px;border-radius:22px}
.actions{flex-direction:column;align-items:stretch}
.button{justify-content:space-between}
.shots{grid-template-columns:minmax(0,268px)}
.count{gap:10px}
.bar{padding:14px 20px}
/* portrait: shorten the first screen and enlarge touch/small text */
.hero{padding:44px 0 40px;gap:44px}
.hero h1{font-size:clamp(40px,11.5vw,64px);line-height:1.08;letter-spacing:-.04em;max-width:11ch}
.hero h1 br{display:none}
.hero-subtitle{font-size:16px;margin-top:18px}
.hero .actions{flex-direction:row;display:grid;grid-template-columns:1fr 1fr;margin-top:26px}
.hero .button{padding:12px 14px;font-size:13px;gap:8px}
.hero .hint{font-size:12px;line-height:1.75}
.hero .addr{margin-top:16px}
.titleline>div{min-width:0}
.titleline .eyebrow{font-size:9px;letter-spacing:.12em}
.titleline .appicon{width:64px;height:64px;border-radius:16px}
.section-nav{gap:6px}
.section-nav a{padding:10px;font-size:11px}
.pair img{width:min(260px,68vw)}
.float{animation-duration:8s}
.marquee{padding:14px 0;margin-bottom:clamp(44px,9vw,72px)}
.hint{font-size:13.5px}
.addr{font-size:13px;padding:12px 16px;width:100%}
.package{padding:24px}
.footline{gap:2px 20px;padding-bottom:22px}
}
/* ── reduced motion ─────────────────────── */
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
.float,.mtrack{animation:none}
.js .reveal{opacity:1;transform:none;transition:none}
.pair{transform:none;transition:none}
*{transition-duration:.01ms!important}
}