@font-face{
  font-family:"BT Serif";
  src:url("/assets/fonts/NotoSerifSC-subset.woff2") format("woff2");
  font-weight:400;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"BT Serif";
  src:url("/assets/fonts/NotoSerifSC-Bold.woff2") format("woff2");
  font-weight:700;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"BT Sans";
  src:url("/assets/fonts/NotoSansSC-subset.woff2") format("woff2");
  font-weight:400;font-style:normal;font-display:swap;
}

:root{
  --bg:#F2EFE8;
  --bg-2:#EAE5DA;
  --fg:#171512;
  --fg-2:#4C483F;
  --muted:#847D70;
  --line:rgba(23,21,18,.13);
  --line-2:rgba(23,21,18,.26);
  --accent:#D6402A;
  --serif:"BT Serif","Noto Serif CJK SC","Songti SC","Songti TC","Source Han Serif SC",serif;
  --sans:"BT Sans",-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --wrap:1320px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:
    radial-gradient(1100px 520px at 50% -140px,rgba(60,55,44,.34),transparent 70%),
    var(--bg);
  color:var(--fg);font:14px/1.7 var(--sans);letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
img,video{max-width:100%;display:block}
button{font:inherit;color:inherit}
::selection{background:var(--accent);color:#fff}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:32px;padding-right:32px}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:30;background:rgba(242,239,232,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.head-in{max-width:var(--wrap);margin:0 auto;padding:0 32px;height:64px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand img{width:26px;height:26px;border-radius:4px}
.brand span{font-family:var(--serif);font-size:17px;font-weight:400;letter-spacing:.06em;line-height:1}
.brand small{display:block;font-family:var(--sans);font-size:8px;letter-spacing:.28em;color:var(--muted);margin-top:4px}
.nav{display:flex;gap:26px;margin-left:auto;align-items:center}
.nav a{font-size:11px;letter-spacing:.16em;color:var(--muted);padding:6px 0;position:relative;white-space:nowrap}
.nav a:hover{color:var(--fg)}
.nav a.here{color:var(--fg)}
.nav a.here::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--accent)}

/* ---------- type ---------- */
h1,h2{font-family:var(--serif);font-weight:700;letter-spacing:.01em}
h3{font-family:var(--serif);font-weight:400;letter-spacing:.005em}
h1{font-size:clamp(42px,6.4vw,88px);line-height:1.12;margin:0 0 22px}
h1 i{font-style:normal;color:var(--accent)}
h2{font-size:clamp(28px,3.4vw,44px);line-height:1.16;margin:0}
h3{font-size:19px;line-height:1.35;margin:0}
.lead{font-size:clamp(15px,1.5vw,18px);line-height:1.75;color:var(--fg-2);max-width:640px;margin:0 0 26px}
.mute{color:var(--muted)}
.small{font-size:12px}
.eyebrow{display:flex;align-items:center;gap:12px;font-size:10px;letter-spacing:.24em;color:var(--muted);text-transform:uppercase;margin:0 0 22px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent)}

/* ---------- buttons ---------- */
.cta{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--fg);color:var(--bg);border:1px solid var(--fg);border-radius:0;padding:13px 24px;font-size:11px;letter-spacing:.16em;text-transform:uppercase;cursor:pointer;transition:background .25s,color .25s,border-color .25s}
.btn:hover{background:transparent;color:var(--fg);text-decoration:none}
.btn.ghost{background:transparent;color:var(--fg);border-color:var(--line-2)}
.btn.ghost:hover{border-color:var(--fg);background:rgba(23,21,18,.04)}
.btn[disabled]{opacity:.4;cursor:not-allowed}

/* ---------- hero ---------- */
.hero{padding-top:70px}
.hero-top{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:64px;align-items:end}
.hero-aside{border-top:1px solid var(--line-2);padding-top:18px;display:grid;gap:0}
.stat{padding:16px 0;border-bottom:1px solid var(--line);display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.stat b{font-family:var(--serif);font-weight:400;font-size:38px;line-height:1;letter-spacing:-.02em}
.stat span{font-size:10px;letter-spacing:.12em;color:var(--muted);text-transform:uppercase;text-align:right;max-width:110px}
.hero-media{position:relative;margin-top:44px;border-top:1px solid var(--line-2);background:#000;overflow:hidden}
.hero-media video{width:100%;aspect-ratio:16/9;object-fit:cover;background:#000}
.hero-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:16px;border:0;background:rgba(12,11,9,.34);color:#fff;cursor:pointer;font-size:10px;letter-spacing:.22em;text-transform:uppercase;transition:background .3s}
.hero-play:hover{background:rgba(12,11,9,.2)}
.hero-play i{width:66px;height:66px;border:1px solid rgba(255,255,255,.65);border-radius:50%;display:grid;place-items:center;font-style:normal;transition:transform .3s,border-color .3s}
.hero-play:hover i{transform:scale(1.06);border-color:#fff}
.hero-play span{opacity:.85}
.hero-play.hide{display:none}

/* ---------- sections ---------- */
.section{padding-top:96px}
.section-head{display:grid;grid-template-columns:300px minmax(0,1fr);gap:40px;align-items:start;border-top:1px solid var(--line-2);padding-top:22px;margin-bottom:14px}
.section-head p{margin:6px 0 0;color:var(--muted);font-size:13px;max-width:620px;line-height:1.7}
.rows{display:grid;margin-top:26px}
.row{display:grid;grid-template-columns:64px minmax(0,.8fr) minmax(0,1.2fr);gap:28px;padding:22px 0;border-top:1px solid var(--line);align-items:start}
.row:last-child{border-bottom:1px solid var(--line)}
.row .n{font-family:var(--serif);font-size:13px;color:var(--accent);letter-spacing:.06em}
.row b{font-family:var(--serif);font-weight:400;font-size:21px;line-height:1.35}
.row p{margin:0;color:var(--fg-2);font-size:13.5px;line-height:1.75}
.split{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:30px}
.split>div{background:var(--bg);padding:26px 26px 30px}
.split h3{margin-bottom:8px}
.split p{margin:0;color:var(--fg-2);font-size:13.5px;line-height:1.75}
.split .num{font-family:var(--serif);color:var(--accent);font-size:12px;letter-spacing:.1em;display:block;margin-bottom:14px}

/* ---------- page head ---------- */
.page-head{padding-top:64px;padding-bottom:8px}
.page-head h1{font-size:clamp(38px,5.2vw,72px);margin-bottom:16px}
.page-head .lead{margin-bottom:0}

/* ---------- toolbar ---------- */
.toolbar{position:sticky;top:64px;z-index:20;background:rgba(242,239,232,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding:12px 0}
.toolbar .wrap{display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center}
.chips{display:flex;flex-wrap:wrap;gap:2px;align-items:center}
.chip{border:0;background:none;color:var(--muted);padding:5px 10px;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;white-space:nowrap;transition:color .2s}
.chip:hover{color:var(--fg)}
.chip[aria-pressed="true"]{color:var(--fg);box-shadow:inset 0 -1px 0 var(--accent)}
.chip.tier[aria-pressed="true"]{box-shadow:inset 0 -1px 0 var(--accent)}
.chip.tier-full[aria-pressed="true"]{box-shadow:inset 0 -1px 0 var(--fg)}
.search{margin-left:auto;border:0;border-bottom:1px solid var(--line-2);background:transparent;color:var(--fg);padding:6px 2px;font-size:12px;min-width:200px;outline:none}
.search::placeholder{color:var(--muted);letter-spacing:.06em}
.search:focus{border-color:var(--fg)}
.count{color:var(--muted);font-size:10px;letter-spacing:.16em;text-transform:uppercase;margin:26px 0 0}

/* ---------- timeline gallery ---------- */
.timeline{display:grid;gap:0;padding:36px 0 20px}
.batch{display:grid;grid-template-columns:170px minmax(0,1fr);gap:40px;border-top:1px solid var(--line);padding:30px 0 48px}
.batch-rail{position:sticky;top:118px;align-self:start}
.batch-date{font-family:var(--serif);font-size:25px;font-weight:400;letter-spacing:-.01em;line-height:1.1}
.batch-meta{margin-top:8px;font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.works{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px 26px}
.work{display:flex;flex-direction:column;background:none;border:0;padding:0;text-align:left;cursor:pointer;color:inherit;font:inherit}
.work-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E4DED2;border:1px solid rgba(23,21,18,.08)}
.work-media img,.work-media video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.work-media img{transition:transform .8s cubic-bezier(.2,.7,.2,1),opacity .3s}
.work:hover .work-media img{transform:scale(1.035)}
.work-media video{opacity:0;transition:opacity .25s}
.work.playing .work-media video{opacity:1}
.work-mask{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;text-align:center;padding:16px;background:
  linear-gradient(135deg,rgba(214,64,42,.05) 25%,transparent 25%,transparent 50%,rgba(214,64,42,.05) 50%,rgba(214,64,42,.05) 75%,transparent 75%),
  #12120F;background-size:18px 18px}
.work-mask img{position:static;width:22px;height:22px;border-radius:3px;opacity:.85}
.work-mask b{font-family:var(--serif);font-weight:400;font-size:14px;line-height:1.35;max-width:94%}
.work-mask small{font-size:9px;letter-spacing:.16em;color:var(--muted);text-transform:uppercase}
.work-badge{position:absolute;top:8px;left:8px;color:#fff;background:var(--accent);font-size:9px;letter-spacing:.12em;padding:2px 6px;text-transform:uppercase}
.work-tier{position:absolute;top:8px;right:8px;font-size:8.5px;letter-spacing:.1em;text-transform:uppercase;padding:2px 6px;background:rgba(242,239,232,.9);color:var(--fg-2);border:1px solid rgba(23,21,18,.1);backdrop-filter:blur(4px)}
.work-tier.free{color:var(--accent)}
.work-play{position:absolute;right:8px;bottom:8px;font-size:8.5px;letter-spacing:.14em;color:rgba(255,255,255,.8);background:rgba(6,6,5,.5);padding:2px 6px;text-transform:uppercase}
.work-body{padding:12px 0 0}
.work-name{font-family:var(--serif);font-weight:400;font-size:18px;line-height:1.3;margin:0 0 4px;letter-spacing:-.005em}
.work-use{font-size:11.5px;line-height:1.6;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.work-foot{display:flex;gap:10px;align-items:center;margin-top:8px;font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.work-foot em{font-style:normal;color:var(--fg-2)}
.work-foot em.free{color:var(--accent)}

/* ---------- dialog ---------- */
dialog{border:0;padding:0;max-width:min(1000px,94vw);width:100%;background:var(--bg-2);color:var(--fg);position:relative}
dialog::backdrop{background:rgba(4,4,3,.86);backdrop-filter:blur(6px)}
.dv{background:#000}
.dv video{width:100%;max-height:66vh;object-fit:contain;background:#000}
.dbody{padding:24px 28px 30px}
.dbody .cat{font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.dbody h2{font-size:clamp(24px,3vw,34px);margin:0 0 10px}
.dbody .use{font-size:13.5px;color:var(--fg-2);margin:0;max-width:720px;line-height:1.75}
.dclose{position:absolute;top:12px;right:12px;z-index:2;border:1px solid rgba(255,255,255,.35);background:rgba(0,0,0,.4);color:#fff;width:34px;height:34px;cursor:pointer;font-size:16px;line-height:1}
.dtags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.dtags .tag{font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);padding:2px 7px}
.dnote{margin-top:14px;color:var(--muted);font-size:12px;line-height:1.7}

/* ---------- pack ---------- */
.pack-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:1px;background:var(--line);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);margin-top:36px}
.pack-grid>div{background:var(--bg);padding:30px}
.pack-grid h2{font-size:clamp(26px,3vw,38px)}
.pack-grid .ver{font-family:var(--serif);color:var(--accent);font-size:15px;margin-left:10px;letter-spacing:.04em}
.dl-list{display:grid;gap:12px;margin-top:22px}
.dl-list .btn{width:100%}
.meta{display:grid;margin-top:22px;border-top:1px solid var(--line)}
.meta div{display:flex;justify-content:space-between;gap:18px;padding:10px 0;border-bottom:1px solid var(--line);font-size:12px}
.meta dt{color:var(--muted);letter-spacing:.06em}
.meta dd{margin:0;color:var(--fg-2);text-align:right;word-break:break-all}
.steps{list-style:none;margin:34px 0 0;padding:0;display:grid;counter-reset:s}
.steps li{counter-increment:s;display:grid;grid-template-columns:62px minmax(0,1fr);gap:24px;padding:22px 0;border-top:1px solid var(--line)}
.steps li:last-child{border-bottom:1px solid var(--line)}
.steps li::before{content:counter(s,decimal-leading-zero);font-family:var(--serif);color:var(--accent);font-size:13px;letter-spacing:.06em}
.steps b{font-family:var(--serif);font-weight:400;font-size:19px;display:block;margin-bottom:4px}
.steps p{margin:0;color:var(--fg-2);font-size:13.5px;line-height:1.75}
.copybox{display:flex;gap:1px;background:var(--line);border:1px solid var(--line);margin-top:18px}
.copybox code{flex:1;background:var(--bg-2);padding:14px 16px;font:12px/1.7 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--fg-2);white-space:pre-wrap;overflow:auto}
.copybox .btn{border:0;padding:0 20px;white-space:nowrap}
.note{border-left:1px solid var(--accent);padding:10px 0 10px 16px;color:var(--muted);font-size:12px;line-height:1.8;margin:22px 0 0}

/* ---------- changelog ---------- */
.log{display:grid;margin-top:36px}
.log-item{display:grid;grid-template-columns:170px minmax(0,1fr);gap:40px;border-top:1px solid var(--line);padding:22px 0}
.log-item:last-child{border-bottom:1px solid var(--line)}
.log-when{font-family:var(--serif);font-size:18px;color:var(--fg)}
.log-when small{display:block;font-family:var(--sans);font-size:9px;letter-spacing:.16em;color:var(--muted);margin-top:6px;text-transform:uppercase}
.log-names{display:flex;flex-wrap:wrap;gap:6px 16px;align-content:start}
.log-names span{font-size:12.5px;color:var(--fg-2)}
.log-names span::after{content:"";}

/* ---------- prose / licenses ---------- */
.prose{max-width:760px;color:var(--fg-2);font-size:14px;line-height:1.9}
.prose h2{color:var(--fg);margin:36px 0 10px;font-size:24px}
.prose p{margin:0 0 12px}

/* ---------- footer ---------- */
.site-foot{border-top:1px solid var(--line);margin-top:110px;padding:30px 0 44px;color:var(--muted);font-size:10.5px;letter-spacing:.06em}
.foot-in{display:flex;gap:20px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.foot-brand{display:flex;align-items:center;gap:9px}
.foot-brand img{width:18px;height:18px;border-radius:3px}
.foot-in a{color:var(--fg-2)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

@media (max-width:980px){
  .hero-top{grid-template-columns:1fr;gap:30px}
  .hero-aside{grid-template-columns:repeat(3,1fr);gap:0 24px;border-top:0;padding-top:0}
  .stat{display:block;border-top:1px solid var(--line);border-bottom:0;padding-top:12px}
  .stat span{display:block;text-align:left;margin-top:8px;max-width:none}
  .section-head{grid-template-columns:1fr;gap:10px}
  .batch{grid-template-columns:140px minmax(0,1fr);gap:28px}
  .works{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pack-grid{grid-template-columns:1fr}
}
@media (max-width:720px){
  .wrap{padding-left:16px;padding-right:16px}
  .head-in{height:56px;padding:0 16px;gap:10px}
  .brand span{display:none}
  .nav{gap:16px}
  .nav a{font-size:10px;letter-spacing:.08em}
  .hero{padding-top:40px}
  h1{font-size:clamp(38px,11vw,56px)}
  .hero-media{margin-top:28px}
  .hero-play i{width:54px;height:54px}
  .hero-play{gap:12px;font-size:9px}
  .section{padding-top:64px}
  .row{grid-template-columns:44px 1fr;gap:10px 14px}
  .row p{grid-column:2;margin-top:-6px}
  .split{grid-template-columns:1fr}
  .toolbar{top:56px}
  .toolbar .wrap{gap:4px 12px}
  .search{margin-left:0;width:100%;margin-top:6px}
  .batch{grid-template-columns:1fr;gap:14px;padding:22px 0 36px}
  .batch-rail{position:static;display:flex;align-items:baseline;gap:12px}
  .batch-date{font-size:20px}
  .batch-meta{margin-top:0}
  .works{grid-template-columns:1fr 1fr;gap:24px 12px}
  .work-name{font-size:14px}
  .work-use{display:none}
  .work-foot{font-size:8px;gap:6px;margin-top:6px}
  .pack-grid>div{padding:22px}
  .steps li{grid-template-columns:44px 1fr;gap:12px}
  .log-item{grid-template-columns:1fr;gap:8px}
  .log-item .log-when{display:flex;align-items:baseline;gap:10px}
  .log-when small{margin-top:0}
  .site-foot{margin-top:70px}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .work-media img{transition:none}
  html{scroll-behavior:auto}
}

/* pack comparison */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);margin-top:24px}
.compare-col{background:var(--bg);padding:28px 30px 30px;display:flex;flex-direction:column}
.compare-col.feature{background:linear-gradient(180deg,rgba(214,64,42,.055),transparent 46%),var(--bg)}
.compare-tag{font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.compare-col.feature .compare-tag{color:var(--accent)}
.compare-col h3{font-family:var(--serif);font-weight:700;font-size:26px;margin:0 0 18px;letter-spacing:.01em}
.compare-col ul{list-style:none;margin:0 0 24px;padding:0;display:grid;gap:9px;font-size:13px;line-height:1.6;color:var(--fg-2)}
.compare-col li{padding-left:18px;position:relative}
.compare-col li::before{content:"·";position:absolute;left:4px;color:var(--accent)}
.compare-col li.off{color:var(--muted);text-decoration:line-through;text-decoration-color:rgba(23,21,18,.22)}
.compare-col .btn{margin-top:auto;align-self:flex-start}
@media (max-width:720px){
  .compare{grid-template-columns:1fr}
  .compare-col{padding:22px}
  .compare-col h3{font-size:22px}
}

/* group channels */
.channels{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);margin-top:24px}
.channel{background:var(--bg);padding:30px;display:flex;flex-direction:column}
.channel.feature{background:linear-gradient(180deg,rgba(214,64,42,.055),transparent 46%),var(--bg)}
.channel h3{font-family:var(--serif);font-weight:700;font-size:28px;margin:0 0 14px;letter-spacing:.01em}
.channel-line{font-size:13px;color:var(--fg-2);margin:0 0 14px}
.channel-line b{color:var(--ink);font-weight:600;letter-spacing:.04em}
.qr-box{width:180px;height:180px;border:1px dashed var(--line-2);display:grid;place-items:center;text-align:center;color:var(--muted);font-size:11px;line-height:1.6;margin:0 0 16px;background:rgba(23,21,18,.02)}
.qr-box img{width:100%;height:100%;object-fit:contain}
.mini-steps{margin:0 0 16px;padding-left:18px;color:var(--fg-2);font-size:13px;line-height:1.9}
.mini-steps code{font:12px ui-monospace,Menlo,monospace;background:#ECE8DF;padding:1px 4px}
.channel-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}
.channel .btn{align-self:flex-start;margin-top:auto}
.channel-actions .btn{margin-top:0}
@media (max-width:720px){
  .channels{grid-template-columns:1fr}
  .channel{padding:22px}
  .qr-box{width:160px;height:160px}
}