:root{
  color-scheme:light;
  --bg:#fff;--bg-soft:#f7f7f5;--bg-elev:#fff;--bg-hover:#f0f0ed;
  --fg:#202123;--fg-soft:#62635f;--fg-mute:#8b8c87;
  --line:#e6e6e2;--line-strong:#d4d4cf;
  --brand:#167153;--brand-soft:#e8f3ee;--ok:#167153;--warn:#9a6700;--err:#c43b32;
  --btn-bg:#202123;--btn-fg:#fff;--r:20px;--r-sm:12px;
  --shadow:0 1px 2px rgba(20,20,18,.05);--shadow-float:0 16px 50px rgba(20,20,18,.12);
  --sidebar:228px;--maxw:1120px;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-synthesis:none;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
html[data-theme="dark"]{
  color-scheme:dark;--bg:#202123;--bg-soft:#171717;--bg-elev:#292a2d;--bg-hover:#343539;
  --fg:#f4f4f2;--fg-soft:#b8b9b5;--fg-mute:#8f908c;--line:#3b3c3f;--line-strong:#515256;
  --brand:#67c79e;--brand-soft:#173d31;--ok:#67c79e;--warn:#e9b949;--err:#ff8278;
  --btn-bg:#f4f4f2;--btn-fg:#202123;--shadow:0 1px 2px rgba(0,0,0,.2);--shadow-float:0 16px 50px rgba(0,0,0,.35)
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--fg);font-size:16px;line-height:1.6;overflow-x:hidden}
button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none}img,svg,canvas{max-width:100%}
[hidden]{display:none!important}
:focus-visible{outline:3px solid color-mix(in srgb,var(--brand) 55%,transparent);outline-offset:3px}
::selection{background:var(--brand-soft);color:var(--fg)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;left:16px;top:-60px;z-index:200;padding:9px 14px;border-radius:10px;background:var(--btn-bg);color:var(--btn-fg);transition:top .16s}.skip-link:focus{top:16px}
.button,.btn{display:inline-flex;min-height:44px;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border:1px solid transparent;border-radius:12px;background:var(--btn-bg);color:var(--btn-fg);font-size:14px;font-weight:650;line-height:1.2;cursor:pointer;transition:transform .16s,background .16s,border-color .16s,opacity .16s}
.button:hover,.btn:hover{transform:translateY(-1px)}
.button.secondary,.btn-line{border-color:var(--line-strong);background:var(--bg-elev);color:var(--fg)}
.button.quiet{background:var(--bg-soft);color:var(--fg)}
.button.brand{background:var(--brand);color:#fff}
.eyebrow{color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.studio-shell{min-height:100vh;padding-left:var(--sidebar)}
.site-sidebar{position:fixed;inset:0 auto 0 0;z-index:80;width:var(--sidebar);display:flex;flex-direction:column;padding:18px 12px;background:var(--bg-soft);border-right:1px solid var(--line)}
.site-brand{display:flex;align-items:center;gap:10px;min-height:44px;padding:4px 9px 14px;font-size:15px;font-weight:700;letter-spacing:-.01em}
.site-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:10px;background:var(--fg);color:var(--bg);font-size:13px}
.site-nav{display:grid;gap:3px;margin-top:8px}.site-nav a{display:flex;align-items:center;gap:10px;min-height:42px;padding:9px 11px;border-radius:10px;color:var(--fg-soft);font-size:14px}.site-nav a:hover,.site-nav a[aria-current="page"]{background:var(--bg-elev);color:var(--fg)}
.site-nav svg{width:17px;height:17px;flex:none}.site-side-bottom{display:grid;gap:8px;margin-top:auto}.site-side-note{padding:12px;border-top:1px solid var(--line);color:var(--fg-mute);font-size:12px;line-height:1.5}
.site-topbar{position:sticky;top:0;z-index:70;display:flex;align-items:center;gap:12px;min-height:58px;padding:8px 22px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(18px) saturate(140%)}
.site-topbar-title{min-width:0;font-size:14px;font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.site-topbar-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.site-icon-button{display:grid;place-items:center;width:40px;height:40px;padding:0;border:1px solid var(--line);border-radius:11px;background:var(--bg-elev);color:var(--fg);cursor:pointer}.site-menu-button{display:none}
.site-main{width:min(100% - 48px,var(--maxw));margin:0 auto;padding:58px 0 88px}
.site-footer{width:min(100% - 48px,var(--maxw));margin:0 auto;padding:28px 0 48px;border-top:1px solid var(--line);color:var(--fg-mute);font-size:13px}
.site-footer-row{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.site-footer-links{display:flex;gap:16px;flex-wrap:wrap}.site-footer a:hover{color:var(--fg)}
.surface{border:1px solid var(--line);border-radius:var(--r);background:var(--bg-elev);box-shadow:var(--shadow)}
.status-pill{display:inline-flex;align-items:center;gap:7px;padding:5px 10px;border:1px solid var(--line);border-radius:999px;color:var(--fg-soft);font-size:12px}.status-pill::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px var(--brand-soft)}
@media(max-width:860px){
  :root{--sidebar:0px}.studio-shell{padding-left:0}.site-sidebar{width:min(300px,86vw);transform:translateX(-105%);box-shadow:var(--shadow-float);transition:transform .22s}.studio-nav-open .site-sidebar{transform:translateX(0)}.site-menu-button{display:grid}.site-topbar{padding:8px 14px}.site-main,.site-footer{width:min(100% - 28px,var(--maxw))}.studio-nav-open::after{content:"";position:fixed;inset:0;z-index:75;background:rgba(0,0,0,.28)}
}
@media(max-width:520px){.site-main{padding:34px 0 64px}.site-topbar .button.secondary{display:none}.site-footer-row{display:grid}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}