@charset "UTF-8";
/* ==========================================================================
   Flyoobe 中文站 — visual system
   Brand palette sampled from the official Flyoobe icon:
   violet #5145EE / cyan #18C8D5 / ink #15112F.
   Light, flat, native-control inspired. No external fonts or CDN.
   ========================================================================== */

:root{
  --violet:#5145EE;
  --violet-dark:#3F33C7;
  --violet-deep:#2D2397;
  --violet-soft:#EFEDFF;
  --violet-50:#F7F5FF;
  --cyan:#18C8D5;
  --cyan-dark:#087A83;
  --cyan-soft:#E9FAFB;
  --coral:#B4413B;
  --coral-soft:#FCF0EF;
  --green:#1C7659;
  --green-soft:#EAF7F1;
  --ink:#15112F;
  --ink-2:#2D2850;
  --muted:#625D77;
  --muted-2:#746F87;
  --line:#E5E1EE;
  --line-strong:#D5CFE3;
  --bg:#FBFAFF;
  --bg-2:#F6F3FC;
  --bg-3:#F1EFF8;
  --white:#FFFFFF;
  --radius:16px;
  --radius-sm:11px;
  --radius-xs:7px;
  --shadow-sm:0 1px 2px rgba(21,17,47,.05);
  --shadow-md:0 18px 46px -28px rgba(40,28,110,.25);
  --font:"PingFang SC","HarmonyOS Sans SC","MiSans","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"Cascadia Mono",Consolas,"SFMono-Regular","Liberation Mono",Menlo,monospace;
  --max:1200px;
  --header-h:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:96px;
}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;vertical-align:middle}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--violet-dark);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
button{font:inherit;color:inherit;cursor:pointer}
strong,b{font-weight:700}
code,kbd,samp{font-family:var(--mono)}
::selection{background:#DCD8FF;color:var(--ink)}
:focus-visible{outline:2px solid var(--violet);outline-offset:3px;border-radius:4px}

.container{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:28px}
.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:absolute;left:-9999px;top:0;z-index:300;
  padding:10px 16px;background:var(--white);color:var(--ink);
  border:1px solid var(--line-strong);border-radius:0 0 8px 0;
}
.skip-link:focus{left:0}

/* ---------- Icons and buttons ---------- */
.icon{
  width:22px;height:22px;flex:none;
  fill:none;stroke:currentColor;stroke-width:1.5;
  stroke-linecap:round;stroke-linejoin:round;
}
.icon-sm{width:16px;height:16px}
.icon-lg{width:26px;height:26px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:0 21px;
  border:1px solid transparent;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;line-height:1.2;letter-spacing:.005em;
  white-space:nowrap;text-decoration:none;
  transition:background-color .16s ease,border-color .16s ease,color .16s ease,transform .16s ease;
}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn .icon{width:18px;height:18px}
.btn-lg{min-height:52px;padding:0 26px;font-size:16px;border-radius:13px}
.btn-sm{min-height:39px;padding:0 15px;font-size:13.5px}
.btn-block{width:100%}

.btn-primary{background:var(--violet);color:#fff;border-color:var(--violet)}
.btn-primary:hover{background:var(--violet-dark);border-color:var(--violet-dark);color:#fff}
.btn-secondary{background:#fff;color:var(--ink);border-color:var(--line-strong)}
.btn-secondary:hover{background:var(--violet-50);border-color:#AFA6D2;color:var(--ink)}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:#EFEDFF;border-color:#EFEDFF;color:var(--ink)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.34)}
.btn-outline-light:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.62);color:#fff}
.btn-ghost{background:transparent;color:var(--ink-2);border-color:transparent}
.btn-ghost:hover{background:var(--bg-3);color:var(--ink)}

.link-arrow{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--violet-dark);font-size:14px;font-weight:700;
}
.link-arrow .icon{width:15px;height:15px;transition:transform .16s ease}
.link-arrow:hover{text-decoration:none}
.link-arrow:hover .icon{transform:translateX(3px)}
.text-link{color:var(--violet-dark);font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.site-header.is-scrolled{box-shadow:0 8px 30px -22px rgba(30,20,80,.35)}
.header-inner{display:flex;align-items:center;gap:28px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:11px;flex:none;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand-mark{width:39px;height:39px;border-radius:10px;display:block}
.brand-copy{display:flex;flex-direction:column;line-height:1.12}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.02em}
.brand-sub{font-size:10px;font-weight:700;letter-spacing:.12em;color:var(--muted-2);margin-top:3px;text-transform:uppercase}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.nav-link{
  display:block;padding:9px 12px;border-radius:8px;
  color:var(--ink-2);font-size:14.5px;font-weight:600;
}
.nav-link:hover{background:var(--bg-3);color:var(--ink);text-decoration:none}
.nav-link[aria-current="page"]{color:var(--violet-dark);background:var(--violet-soft)}
.header-cta{margin-left:8px;min-height:41px;padding:0 17px;font-size:14px}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;margin-left:auto;
  border:1px solid var(--line-strong);border-radius:9px;
  background:#fff;color:var(--ink-2);
}
.nav-toggle:hover{background:var(--bg-3)}
.nav-toggle .close-icon{display:none}
.nav-toggle[aria-expanded="true"] .open-icon{display:none}
.nav-toggle[aria-expanded="true"] .close-icon{display:block}
.mobile-nav{
  display:none;border-top:1px solid var(--line);
  background:#fff;padding:8px 28px 22px;
}
.mobile-nav.is-open{display:block}
.mobile-nav a:not(.btn){
  display:block;padding:12px 3px;
  color:var(--ink-2);font-size:16px;font-weight:600;
  border-bottom:1px solid var(--line);
}
.mobile-nav a[aria-current="page"]{color:var(--violet-dark)}
.mobile-nav .btn{width:100%;margin-top:16px}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 68%);
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 1px 1px,rgba(81,69,238,.12) 1px,transparent 0);
  background-size:26px 26px;
  -webkit-mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.7) 52%,rgba(0,0,0,.85) 100%);
  mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.7) 52%,rgba(0,0,0,.85) 100%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;z-index:0;right:-130px;top:-150px;
  width:560px;height:560px;border:1px solid rgba(81,69,238,.1);
  border-radius:50%;pointer-events:none;
}
.hero-inner{position:relative;z-index:1;padding:74px 0 70px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:64px;align-items:center}
.hero-copy{min-width:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:11.5px;line-height:1.4;font-weight:800;
  letter-spacing:.15em;color:var(--violet-dark);text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--violet);border-radius:2px}
.eyebrow .dot{width:5px;height:5px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 3px rgba(24,200,213,.12)}
.hero-title{
  margin-top:18px;
  font-size:clamp(38px,5.3vw,68px);
  line-height:1.13;letter-spacing:-.045em;
  font-weight:800;text-wrap:balance;
}
.hero-title .accent{color:var(--violet)}
.hero-title .nowrap{white-space:nowrap}
.hero-lede{
  margin-top:23px;max-width:56ch;
  font-size:16.5px;line-height:1.9;color:var(--muted);
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:30px}
.hero-meta{display:flex;flex-wrap:wrap;gap:9px 18px;margin-top:24px;font-size:13px;color:var(--muted)}
.hero-meta li{display:flex;align-items:center;gap:7px}
.hero-meta li::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--line-strong)}
.hero-meta li:first-child::before{background:var(--green)}
.hero-footnote{
  display:flex;align-items:flex-start;gap:8px;
  margin-top:18px;font-size:12.5px;line-height:1.7;color:var(--muted-2);
}
.hero-footnote .icon{width:15px;height:15px;margin-top:2px;color:var(--violet)}
.hero-visual{position:relative;min-width:0;padding:12px 0}
.hero-visual::before{
  content:"";position:absolute;z-index:0;inset:8% 0 4% 8%;
  background:var(--violet-soft);border-radius:24px;
  border:1px solid #E2DEFA;
}
.bee-path{
  position:absolute;z-index:0;right:-40px;top:-30px;
  width:240px;height:190px;color:var(--violet);opacity:.28;pointer-events:none;
}
.mock-wrap{position:relative;z-index:2;margin:0}
.mock{
  background:#fff;border:1px solid #D8D2E7;border-radius:15px;overflow:hidden;
  box-shadow:0 30px 70px -42px rgba(28,18,84,.42);
}
.mock-titlebar{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 13px;
  background:#F3F0FD;border-bottom:1px solid #E3DEF1;
}
.mock-logo{width:19px;height:19px;border-radius:5px;display:block}
.mock-app{font-size:11.5px;font-weight:700;color:var(--ink-2)}
.mock-version{font-family:var(--mono);font-size:10px;color:var(--muted-2);margin-left:2px}
.mock-controls{display:flex;gap:4px;margin-left:auto}
.mock-controls i{display:block;width:7px;height:7px;border-radius:50%;background:#C9C4D8}
.mock-toolbar{
  display:flex;align-items:center;gap:10px;
  padding:8px 10px;background:#FBF9FF;border-bottom:1px solid #EAE6F4;
}
.mock-nav{display:flex;align-items:center;gap:6px;min-width:0;font-size:10.5px;color:var(--muted)}
.mock-arrow{font-size:13px;color:#9A94AB;line-height:1}
.mock-nav b{color:var(--ink-2);font-weight:600}
.mock-sep{color:#B7B1C8}
.mock-search{
  margin-left:auto;min-width:122px;padding:5px 9px;
  border:1px solid #DED8EB;border-radius:5px;background:#fff;
  font-size:10px;color:#958FA8;
}
.mock-body{display:grid;grid-template-columns:minmax(0,1.28fr) minmax(0,.72fr);min-height:330px}
.mock-main{padding:16px 17px 14px;min-width:0}
.mock-kicker{font-size:8.5px;letter-spacing:.15em;font-weight:800;color:var(--violet-dark);margin-bottom:3px}
.mock-h{font-size:19px;line-height:1.25;letter-spacing:-.02em;font-weight:700;color:#1D4C9F}
.mock-sub{margin-top:4px;font-size:9.5px;line-height:1.55;color:var(--muted)}
.mock-group{margin-top:12px}
.mock-group-h{
  display:flex;align-items:center;gap:6px;
  padding-bottom:5px;border-bottom:1px solid #EEEAf6;
  font-size:9.5px;font-weight:700;color:#5D576E;
}
.mock-group-h em{
  font-style:normal;margin-left:auto;color:#918BA2;font-family:var(--mono);
  font-size:8.5px;font-weight:400;
}
.mock-caret{
  width:0;height:0;border-style:solid;
  border-width:4px 4px 0 4px;border-color:#8A849B transparent transparent transparent;
}
.mock-row{
  display:flex;align-items:center;gap:7px;
  padding:5px 3px;border-bottom:1px solid #F4F1FA;
  font-size:9.5px;color:#49435D;
}
.mock-row:last-child{border-bottom:0}
.mock-row-dot{width:4px;height:4px;flex:none;border-radius:50%;background:#C9C4D7}
.mock-row.is-diff .mock-row-dot{background:var(--coral)}
.mock-row .mock-count{margin-left:auto;font-family:var(--mono);font-size:8.5px;color:#8C869D}
.mock-row.is-diff .mock-count{color:var(--coral)}
.mock-side{
  padding:16px 14px;border-left:1px solid #EEEAf6;background:#FCFBFE;
}
.mock-side-h{font-size:9px;font-weight:700;line-height:1.5;color:var(--ink-2)}
.mock-side-list{margin-top:8px}
.mock-side-list li{
  position:relative;padding-left:9px;margin:6px 0;
  font-size:8.8px;line-height:1.5;color:var(--muted);
}
.mock-side-list li::before{content:"";position:absolute;left:0;top:5px;width:3px;height:3px;border-radius:50%;background:#A49DB5}
.mock-side-link{display:inline-block;margin-top:12px;font-size:8.6px;line-height:1.5;color:var(--violet-dark)}
.mock-footer{
  display:flex;align-items:center;gap:7px;
  padding:8px 11px;background:#F7F5FC;border-top:1px solid #E7E2F1;
}
.mock-btn{
  padding:4px 9px;border:1px solid #D7D1E5;border-radius:4px;background:#fff;
  font-size:8.8px;line-height:1.4;color:#4B4560;
}
.mock-btn.is-primary{background:var(--violet);border-color:var(--violet);color:#fff;margin-left:auto}
.mock-caption{margin-top:13px;font-size:11.5px;line-height:1.6;color:var(--muted-2);text-align:right}
.mock-float{
  position:absolute;z-index:3;display:flex;align-items:center;gap:10px;
  padding:11px 13px;background:#fff;border:1px solid var(--line-strong);
  border-radius:11px;box-shadow:var(--shadow-md);
}
.mock-float .icon{color:var(--violet)}
.mock-float b{display:block;font-size:12px;line-height:1.35;color:var(--ink)}
.mock-float span{display:block;font-size:10px;line-height:1.4;color:var(--muted)}
.mock-float-a{right:-18px;top:-17px}
.mock-float-b{left:-24px;bottom:28px}

/* metrics */
.metrics{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:58px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
}
.metric{padding:22px 24px 21px;border-left:1px solid var(--line)}
.metric:first-child{border-left:0}
.metric b{
  display:flex;align-items:baseline;gap:4px;
  font-size:30px;line-height:1.15;letter-spacing:-.035em;font-weight:800;
  color:var(--ink);font-variant-numeric:tabular-nums;
}
.metric b .unit{font-size:12px;letter-spacing:0;font-weight:700;color:var(--muted-2)}
.metric span{display:block;margin-top:5px;font-size:12.5px;line-height:1.6;color:var(--muted)}
.metric.is-accent b{color:var(--violet)}
.metric-source{
  position:relative;z-index:2;margin-top:11px;text-align:right;
  font-size:11px;line-height:1.6;color:var(--muted-2);
}

/* ---------- Shared sections ---------- */
.section{padding:92px 0}
.section-flush{padding-top:0}
.section-tint{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-cyan{
  background:var(--cyan-soft);
  border-top:1px solid #D1EFF2;
  border-bottom:1px solid #D1EFF2;
}
.section-head{
  display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);
  gap:54px;align-items:end;margin-bottom:46px;
}
.section-title{
  font-size:clamp(28px,3.4vw,42px);
  line-height:1.27;letter-spacing:-.035em;
  font-weight:800;text-wrap:balance;
}
.section-head .eyebrow{grid-column:1 / -1;margin-bottom:2px}
.section-lede{margin-top:4px;font-size:16px;line-height:1.9;color:var(--muted);max-width:58ch}
.section-link{margin-top:10px}
.section-head-aside{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  grid-column:1 / -1;padding-top:22px;border-top:1px solid var(--line);
  margin-top:2px;
}
.section-head-aside p{font-size:13px;color:var(--muted)}
.section-foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:18px;margin-top:32px}
.section-foot p{font-size:13px;color:var(--muted)}

/* scene grid */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.scene{
  display:flex;flex-direction:column;min-width:0;
  padding:25px 24px 22px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);
  transition:border-color .18s ease,transform .18s ease;
}
.scene:hover{border-color:#C6BDE3;transform:translateY(-2px)}
.scene-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:15px}
.scene-no{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:#9A93AC}
.scene-tag{
  display:inline-flex;align-items:center;min-height:24px;padding:0 8px;
  background:var(--bg-3);border-radius:999px;
  font-size:11px;line-height:1;color:var(--muted);white-space:nowrap;
}
.scene h3{font-size:18.5px;line-height:1.45;letter-spacing:-.02em;font-weight:750;margin-bottom:9px}
.scene p{font-size:14.2px;line-height:1.83;color:var(--muted)}
.scene-points{margin-top:15px;border-top:1px dashed var(--line);padding-top:12px;display:grid;gap:5px}
.scene-points li{display:flex;align-items:flex-start;gap:7px;font-size:12.5px;line-height:1.65;color:var(--muted)}
.scene-points li::before{content:"";width:4px;height:4px;flex:none;border-radius:50%;background:var(--violet);margin-top:8px}
.scene .link-arrow{margin-top:auto;padding-top:17px}
.scene-warning{
  margin-top:13px;padding:9px 10px;
  background:var(--coral-soft);border-left:2px solid var(--coral);
  font-size:12px;line-height:1.65;color:#7C312D;
}

/* advantages */
.advantages{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:56px}
.advantage{
  display:flex;align-items:flex-start;gap:16px;
  padding:26px 0 27px;border-top:1px solid var(--line-strong);
}
.advantage-icon{
  width:44px;height:44px;flex:none;display:grid;place-items:center;
  border-radius:11px;background:#fff;border:1px solid var(--line);color:var(--violet-dark);
}
.advantage-icon .icon{width:21px;height:21px}
.advantage h3{font-size:17px;line-height:1.45;letter-spacing:-.015em;margin-bottom:7px}
.advantage p{font-size:14.2px;line-height:1.84;color:var(--muted)}

/* flow */
.flow-grid{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:70px;align-items:start}
.flow-intro{position:sticky;top:104px}
.flow-intro .section-lede{margin-top:15px}
.flow-install-note{margin-top:27px;padding:15px 17px;border:1px solid var(--line);background:#fff;border-radius:11px}
.flow-install-note p{font-size:12.5px;line-height:1.75;color:var(--muted)}
.flow-install-note .icon{width:17px;height:17px;color:var(--violet);margin-bottom:6px}
.flow-list{border-bottom:1px solid var(--line-strong)}
.flow-step{
  display:grid;grid-template-columns:58px minmax(0,1fr);gap:18px;
  padding:25px 0 27px;border-top:1px solid var(--line-strong);
}
.flow-num{
  width:38px;height:38px;display:grid;place-items:center;
  border-radius:50%;background:var(--violet);color:#fff;
  font-family:var(--mono);font-size:12px;font-weight:600;
  align-self:start;
}
.flow-step h3{font-size:18px;line-height:1.45;letter-spacing:-.015em;margin:1px 0 7px}
.flow-step p{font-size:14.2px;line-height:1.83;color:var(--muted);max-width:58ch}
.flow-step .link-arrow{margin-top:10px;font-size:13px}

/* feature preview */
.feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:17px}
.feature-card{
  position:relative;display:flex;flex-direction:column;
  padding:24px 21px 21px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
}
.feature-card::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:var(--violet)}
.feature-card:nth-child(2)::before{background:var(--cyan)}
.feature-card:nth-child(3)::before{background:#8B7BFA}
.feature-card:nth-child(4)::before{background:#2D2850}
.feature-card .feature-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:26px}
.feature-card .icon{color:var(--violet-dark)}
.feature-card .feature-no{font-family:var(--mono);font-size:10.5px;color:#9E98AE;letter-spacing:.04em}
.feature-card h3{font-size:17px;line-height:1.4;letter-spacing:-.015em;margin-bottom:8px}
.feature-card p{font-size:13.6px;line-height:1.8;color:var(--muted);flex:1}
.feature-card .link-arrow{margin-top:17px;font-size:13px}

/* boundary */
.boundary{
  display:grid;grid-template-columns:minmax(0,.84fr) minmax(0,1.16fr);
  gap:64px;align-items:start;
}
.boundary-copy .section-title{font-size:clamp(26px,2.8vw,34px)}
.boundary-copy p{margin-top:15px;font-size:14.5px;line-height:1.9;color:var(--muted);max-width:48ch}
.boundary-list{border-top:1px solid var(--line-strong)}
.boundary-item{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.boundary-item .icon{width:17px;height:17px;margin-top:3px;color:var(--coral);flex:none}
.boundary-item strong{display:block;font-size:14px;line-height:1.6;color:var(--ink-2)}
.boundary-item span{display:block;margin-top:2px;font-size:12.5px;line-height:1.7;color:var(--muted)}

/* download panel */
.download-panel{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1.03fr) minmax(0,.97fr);
  gap:54px;align-items:center;
  padding:44px 46px;border-radius:20px;
  background:var(--ink);color:#fff;
}
.download-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.12) 1px,transparent 0);
  background-size:24px 24px;
  -webkit-mask-image:linear-gradient(100deg,transparent 30%,#000 100%);
  mask-image:linear-gradient(100deg,transparent 30%,#000 100%);
}
.download-panel::after{
  content:"";position:absolute;right:-90px;top:-95px;
  width:330px;height:330px;border:1px solid rgba(24,200,213,.23);border-radius:50%;
}
.download-copy,.package-card{position:relative;z-index:1}
.download-panel .eyebrow{color:#D8D4FF}
.download-panel .eyebrow::before{background:var(--cyan)}
.download-copy h2{
  font-size:clamp(27px,3.2vw,38px);line-height:1.28;letter-spacing:-.035em;
  color:#fff;text-wrap:balance;
}
.download-copy p{margin-top:14px;max-width:50ch;font-size:14.5px;line-height:1.85;color:#C8C3DC}
.download-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
.download-copy .micro{
  display:flex;align-items:flex-start;gap:7px;margin-top:17px;
  font-size:11.5px;line-height:1.7;color:#A9A4C2;
}
.download-copy .micro .icon{width:14px;height:14px;margin-top:1px;color:var(--cyan)}
.package-card{
  padding:21px 22px 19px;background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.16);border-radius:14px;
}
.package-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:13px}
.package-head span{font-size:11px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:#A6A0BE}
.package-head b{font-family:var(--mono);font-size:11.5px;font-weight:500;color:var(--cyan);letter-spacing:.02em}
.package-row{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.09);font-size:12.5px}
.package-row:last-of-type{border-bottom:0}
.package-row dt{color:#A6A0BE;flex:none}
.package-row dd{margin:0;text-align:right;color:#EDEAF7;font-family:var(--mono);font-size:11.5px;overflow-wrap:anywhere}
.package-note{
  display:flex;align-items:flex-start;gap:7px;margin-top:12px;padding-top:12px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:11.5px;line-height:1.65;color:#A9A4C2;
}
.package-note .icon{width:14px;height:14px;margin-top:1px;color:var(--cyan);flex:none}
.dark-note{
  margin-top:20px;padding:12px 14px;border-left:2px solid var(--cyan);
  background:rgba(24,200,213,.08);border-radius:0 7px 7px 0;
  font-size:12px;line-height:1.75;color:#E8E4F3;
}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:70px;align-items:start}
.faq-intro{position:sticky;top:107px}
.faq-intro .section-lede{margin-top:14px}
.faq-intro .btn{margin-top:24px}
.faq-contact{margin-top:22px;padding-top:17px;border-top:1px solid var(--line);font-size:12.5px;line-height:1.75;color:var(--muted)}
.faq-contact a{font-weight:600}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:9px;overflow:hidden;
}
.faq-item summary{
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:17px 19px;cursor:pointer;list-style:none;
  font-size:15.5px;line-height:1.6;font-weight:650;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex:none;width:10px;height:10px;margin-top:7px;
  border-right:1.5px solid var(--muted-2);border-bottom:1.5px solid var(--muted-2);
  transform:rotate(45deg);transition:transform .18s ease;
}
.faq-item[open] summary{color:var(--violet-dark)}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-answer{padding:0 19px 19px;font-size:14px;line-height:1.88;color:var(--muted)}
.faq-answer p+p{margin-top:9px}
.faq-answer a{font-weight:600}

/* sources */
.source-panel{border-top:1px solid var(--line-strong);padding-top:34px}
.source-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:23px}
.source-head h2{font-size:24px;line-height:1.4;letter-spacing:-.02em}
.source-head p{font-size:12.5px;line-height:1.7;color:var(--muted)}
.source-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 46px}
.source-item{display:flex;align-items:flex-start;gap:11px;padding:13px 0;border-top:1px solid var(--line)}
.source-item .icon{width:16px;height:16px;margin-top:3px;color:var(--violet-dark);flex:none}
.source-item a{display:block;font-size:13.5px;line-height:1.55;font-weight:650}
.source-item span{display:block;margin-top:2px;font-size:11.5px;line-height:1.65;color:var(--muted-2)}
.byline{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;
  margin-top:26px;padding-top:17px;border-top:1px solid var(--line);
  font-size:11.5px;line-height:1.7;color:var(--muted-2);
}
.byline span+span::before{content:"·";margin-right:14px;color:var(--line-strong)}

/* CTA */
.final-cta{
  position:relative;overflow:hidden;
  padding:38px 42px;border:1px solid #DED8F1;border-radius:19px;
  background:linear-gradient(100deg,#F1EEFF 0%,#F8F6FF 55%,#ECFAFB 100%);
}
.final-cta::after{
  content:"";position:absolute;right:42px;top:50%;width:170px;height:170px;
  transform:translateY(-50%) rotate(18deg);border:1px solid rgba(81,69,238,.14);border-radius:30px;
  pointer-events:none;
}
.final-cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.final-cta h2{font-size:clamp(24px,2.8vw,34px);line-height:1.35;letter-spacing:-.03em}
.final-cta p{margin-top:8px;max-width:58ch;font-size:14px;line-height:1.8;color:var(--muted)}
.final-cta .actions{display:flex;flex-wrap:wrap;gap:10px;position:relative;z-index:1}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:54px 0 24px}
.footer-top{display:grid;grid-template-columns:1.5fr repeat(3,minmax(0,.8fr));gap:48px}
.footer-brand .brand{margin-bottom:14px}
.footer-desc{max-width:36ch;font-size:12.5px;line-height:1.8;color:var(--muted)}
.footer-independent{
  display:inline-flex;align-items:center;gap:7px;margin-top:13px;
  padding:5px 9px;border:1px solid var(--line);border-radius:999px;
  font-size:10.5px;line-height:1.4;color:var(--muted-2);background:#fff;
}
.footer-independent .icon{width:12px;height:12px;color:var(--violet)}
.footer-col h2{
  font-size:11px;line-height:1.4;font-weight:800;letter-spacing:.13em;
  text-transform:uppercase;color:#6F6982;margin-bottom:12px;
}
.footer-col li{margin:7px 0}
.footer-col a{font-size:13px;line-height:1.65;color:var(--ink-2)}
.footer-col a:hover{color:var(--violet-dark)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:16px;
  margin-top:38px;padding-top:18px;border-top:1px solid var(--line);
  font-size:11px;line-height:1.8;color:#6F6982;
}
.footer-legal{display:flex;flex-wrap:wrap;gap:10px 18px}
.footer-legal a{color:var(--muted-2)}
.footer-disclosure{max-width:780px;margin-top:10px;font-size:11px;line-height:1.75;color:#6F6982}

/* ---------- Inner page head ---------- */
.breadcrumbs{padding-top:21px;font-size:12px;line-height:1.6;color:var(--muted-2)}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:7px}
.breadcrumbs li{display:flex;align-items:center;gap:7px}
.breadcrumbs li+li::before{content:"/";color:#BBB5CA}
.breadcrumbs a{color:var(--muted)}
.breadcrumbs a:hover{color:var(--violet-dark)}
.breadcrumbs [aria-current="page"]{color:var(--ink-2)}
.page-hero{
  position:relative;overflow:hidden;
  padding:0 0 55px;
  background:linear-gradient(180deg,#fff 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 1px 1px,rgba(81,69,238,.1) 1px,transparent 0);
  background-size:26px 26px;
  -webkit-mask-image:linear-gradient(105deg,transparent 0%,rgba(0,0,0,.6) 58%,rgba(0,0,0,.8) 100%);
  mask-image:linear-gradient(105deg,transparent 0%,rgba(0,0,0,.6) 58%,rgba(0,0,0,.8) 100%);
  pointer-events:none;
}
.page-hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,1.3fr) minmax(286px,.7fr);
  gap:60px;align-items:end;padding-top:37px;
}
.page-hero-copy{min-width:0}
.page-hero h1{
  margin-top:16px;
  font-size:clamp(31px,4.2vw,54px);
  line-height:1.17;letter-spacing:-.04em;font-weight:800;text-wrap:balance;
}
.page-hero h1 .accent{color:var(--violet)}
.page-hero .lede{margin-top:17px;max-width:69ch;font-size:15.5px;line-height:1.9;color:var(--muted)}
.page-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:21px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  min-height:27px;padding:3px 10px;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  font-size:11.5px;line-height:1.4;color:var(--muted);
}
.chip .icon{width:13px;height:13px;color:var(--violet-dark)}
.chip.is-brand{background:var(--violet-soft);border-color:#DDD8FF;color:var(--violet-deep);font-weight:650}
.chip.is-cyan{background:var(--cyan-soft);border-color:#CFF0F3;color:var(--cyan-dark)}
.fact-card{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:20px 21px;
  box-shadow:var(--shadow-sm);
}
.fact-card-head{
  display:flex;align-items:center;gap:9px;
  padding-bottom:12px;border-bottom:1px solid var(--line);
  font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);
}
.fact-card-head .icon{width:16px;height:16px;color:var(--violet)}
.fact-row{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:9px 0;border-bottom:1px solid #F0EDF7;font-size:12px}
.fact-row:last-of-type{border-bottom:0;padding-bottom:3px}
.fact-row dt{color:var(--muted-2);flex:none}
.fact-row dd{margin:0;text-align:right;font-size:12px;font-weight:650;color:var(--ink-2);overflow-wrap:anywhere}
.fact-note{display:flex;align-items:flex-start;gap:6px;margin-top:10px;padding-top:11px;border-top:1px solid var(--line);font-size:10.5px;line-height:1.65;color:var(--muted-2)}
.fact-note .icon{width:13px;height:13px;margin-top:1px;flex:none;color:var(--violet)}
.fact-card .btn{margin-top:13px}

/* ---------- Documentation layout ---------- */
.doc-layout{
  display:grid;grid-template-columns:216px minmax(0,1fr);
  gap:62px;align-items:start;padding:62px 0 91px;
}
.doc-aside{position:sticky;top:101px}
.toc-title{
  padding-bottom:10px;border-bottom:1px solid var(--line-strong);
  font-size:10.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);
}
.toc{margin-top:7px}
.toc a{
  display:flex;align-items:baseline;gap:8px;
  padding:7px 0;border-bottom:1px solid transparent;
  font-size:12.5px;line-height:1.55;color:var(--muted);
}
.toc a:hover{color:var(--violet-dark);text-decoration:none}
.toc a span{font-family:var(--mono);font-size:9.5px;color:#A19AAD;flex:none}
.aside-note{
  margin-top:19px;padding:13px 13px;border:1px solid var(--line);
  border-radius:9px;background:#fff;font-size:10.5px;line-height:1.7;color:var(--muted-2);
}
.aside-note strong{display:block;color:var(--ink-2);font-size:11px;margin-bottom:3px}
.doc-main{min-width:0;max-width:870px}
.doc-section{
  padding-bottom:36px;margin-bottom:43px;
  border-bottom:1px solid var(--line);
  scroll-margin-top:100px;
}
.doc-section:last-of-type{border-bottom:0;margin-bottom:0;padding-bottom:0}
.doc-section-head{display:flex;align-items:baseline;gap:13px;margin-bottom:16px}
.doc-index{font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--violet);flex:none;font-weight:600}
.doc-section h2{font-size:clamp(23px,2.6vw,31px);line-height:1.35;letter-spacing:-.028em;font-weight:800;text-wrap:balance}
.doc-section h3{font-size:17px;line-height:1.5;letter-spacing:-.012em;margin:24px 0 9px;font-weight:750}
.doc-section h4{font-size:14.5px;margin:18px 0 6px;font-weight:700}
.doc-section p{font-size:14.7px;line-height:1.92;color:var(--muted);margin-bottom:13px}
.doc-section p:last-child{margin-bottom:0}
.doc-section strong{color:var(--ink-2)}
.doc-section a{font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.doc-section ul{margin:0 0 15px}
.doc-section ul li{position:relative;padding-left:18px;margin:6px 0;font-size:14.3px;line-height:1.86;color:var(--muted)}
.doc-section ul li::before{content:"";position:absolute;left:1px;top:11px;width:5px;height:5px;border-radius:50%;background:var(--line-strong)}
.doc-section ul li strong{color:var(--ink-2)}
.doc-section .lead{font-size:15.5px;line-height:1.9;color:var(--ink-2)}
.doc-section code{
  padding:2px 5px;border:1px solid #E5E0F0;border-radius:4px;
  background:#F7F5FC;color:#40396B;font-size:.84em;overflow-wrap:anywhere;
}
.doc-section .text-link{font-weight:650;text-decoration-thickness:1px}
.doc-cta{
  margin-top:38px;padding:25px 27px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:var(--violet-soft);border:1px solid #DDD8FB;border-radius:14px;
}
.doc-cta h2{font-size:21px;line-height:1.4;letter-spacing:-.02em}
.doc-cta p{margin-top:5px;font-size:12.5px;line-height:1.75;color:var(--muted)}
.doc-cta .actions{display:flex;gap:9px;flex-wrap:wrap}

/* doc content components */
.callout{
  display:flex;align-items:flex-start;gap:11px;
  padding:14px 16px;margin:17px 0;
  border-left:3px solid var(--violet);border-radius:0 9px 9px 0;
  background:var(--violet-soft);font-size:13.5px;line-height:1.82;color:#42396D;
}
.callout .icon{width:18px;height:18px;margin-top:2px;flex:none;color:var(--violet)}
.callout p{margin:0;font-size:13.5px;line-height:1.82;color:inherit}
.callout.is-cyan{border-color:var(--cyan);background:var(--cyan-soft);color:#12565D}
.callout.is-cyan .icon{color:var(--cyan-dark)}
.callout.is-warn{border-color:var(--coral);background:var(--coral-soft);color:#6D302D}
.callout.is-warn .icon{color:var(--coral)}
.callout.is-neutral{border-color:var(--line-strong);background:#fff;color:var(--muted)}
.callout.is-neutral .icon{color:var(--muted)}
.callout strong{color:inherit}

.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin:17px 0 20px}
.info-card{
  padding:17px 17px 15px;background:#fff;border:1px solid var(--line);
  border-radius:11px;
}
.info-card .icon{width:20px;height:20px;color:var(--violet-dark);margin-bottom:9px}
.info-card h3{font-size:14.5px;line-height:1.5;margin:0 0 6px;font-weight:750}
.info-card p{font-size:12.5px;line-height:1.78;color:var(--muted);margin:0}
.info-card .meta{display:inline-block;margin-top:8px;font-family:var(--mono);font-size:10px;color:var(--muted-2)}
.info-card.is-cyan .icon{color:var(--cyan-dark)}
.info-card.is-neutral .icon{color:var(--muted)}
.info-card.is-warn{background:#FFFCFC;border-color:#F0D8D5}
.info-card.is-warn .icon{color:var(--coral)}
.btn.is-copied{background:var(--green-soft);border-color:#CFEADF;color:var(--green)}

.data-table{
  width:100%;border:1px solid var(--line);border-radius:11px;
  border-collapse:separate;border-spacing:0;overflow:hidden;
  margin:17px 0 20px;background:#fff;
}
.table-scroll{overflow-x:auto;border-radius:11px;margin:17px 0 20px}
.table-scroll .data-table{margin:0;min-width:620px}
.data-table caption{
  caption-side:top;text-align:left;padding:11px 15px;
  background:#F7F5FC;border-bottom:1px solid var(--line);
  font-size:11.5px;line-height:1.6;color:var(--muted);
}
.data-table th{
  padding:10px 14px;text-align:left;background:#FBF9FF;
  border-bottom:1px solid var(--line);
  font-size:10.5px;font-weight:800;letter-spacing:.07em;color:var(--muted);text-transform:uppercase;
  white-space:nowrap;
}
.data-table td{
  padding:11px 14px;border-bottom:1px solid var(--line);
  font-size:12.8px;line-height:1.7;color:var(--muted);vertical-align:top;
}
.data-table tr:last-child td{border-bottom:0}
.data-table td strong{color:var(--ink-2);font-weight:700}
.data-table td:first-child{white-space:nowrap;color:var(--ink-2);font-weight:600}
.data-table code{white-space:nowrap}
.data-table .is-ok{color:var(--green);font-weight:650}
.data-table .is-warn{color:var(--coral);font-weight:650}

.category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:17px 0 20px}
.category{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 12px;background:#fff;border:1px solid var(--line);border-radius:8px;
  font-size:12.5px;color:var(--ink-2);
}
.category span{color:var(--muted-2);font-family:var(--mono);font-size:10.5px}
.category strong{font-weight:650}

.step-list{counter-reset:step;margin:20px 0}
.step-list>li{
  position:relative;padding:0 0 25px 55px;
  border-left:1px solid var(--line-strong);margin-left:15px;
}
.step-list>li:last-child{border-left-color:transparent;padding-bottom:0}
.step-list>li::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:-15px;top:-1px;
  width:30px;height:30px;display:grid;place-items:center;
  border-radius:50%;background:#fff;border:1px solid var(--line-strong);
  color:var(--violet-dark);font-family:var(--mono);font-size:10px;font-weight:600;
}
.step-list h3{font-size:15.5px;line-height:1.5;margin:0 0 6px;font-weight:750}
.step-list p{font-size:13.4px;line-height:1.85;color:var(--muted);margin-bottom:7px}
.step-list p:last-child{margin-bottom:0}
.step-list .callout{margin-top:11px}

.code-block{
  position:relative;margin:15px 0 18px;
  background:#F8F6FD;border:1px solid #DED8EA;border-radius:10px;
  overflow:hidden;
}
.code-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:8px 13px;border-bottom:1px solid #E5E0F0;
  font-family:var(--mono);font-size:10.5px;color:var(--muted-2);
}
.code-block pre{
  margin:0;padding:14px 15px;overflow-x:auto;
  font-family:var(--mono);font-size:12px;line-height:1.75;color:#393253;
  white-space:pre;tab-size:2;
}
.code-copy{
  display:inline-flex;align-items:center;gap:5px;
  border:1px solid #D8D1E8;border-radius:5px;background:#fff;
  padding:3px 7px;font-family:var(--font);font-size:10.5px;color:var(--muted);
}
.code-copy:hover{background:var(--violet-soft);border-color:#C8BFE9;color:var(--violet-dark)}
.code-copy .icon{width:12px;height:12px}
.copy-status{font-family:var(--font);color:var(--green);font-size:10.5px}

.hash-card{
  margin:15px 0 18px;padding:14px 16px;
  background:#fff;border:1px solid var(--line);border-radius:10px;
}
.hash-card-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}
.hash-card-head span{font-size:11px;font-weight:750;color:var(--muted-2);letter-spacing:.03em}
.hash-card-head small{font-size:10.5px;color:var(--muted-2)}
.hash-value{
  display:block;font-family:var(--mono);font-size:11.5px;line-height:1.7;
  color:#40396B;overflow-wrap:anywhere;word-break:break-all;
}
.hash-actions{display:flex;align-items:center;gap:8px;margin-top:8px}
.hash-actions .btn{min-height:32px;padding:0 10px;font-size:11.5px;border-radius:6px}
.hash-file{font-family:var(--mono);font-size:10.5px;color:var(--muted-2)}

.badge-row{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0 18px}
.badge{
  display:inline-flex;align-items:center;gap:5px;
  min-height:26px;padding:2px 8px;border:1px solid var(--line);border-radius:999px;
  background:#fff;font-size:11px;color:var(--muted);
}
.badge .icon{width:12px;height:12px;color:var(--violet-dark)}
.badge.is-ok{background:var(--green-soft);border-color:#CFEADF;color:var(--green)}
.badge.is-warn{background:var(--coral-soft);border-color:#F0D3D1;color:var(--coral)}

.channel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:20px 0}
.channel-card{
  display:flex;flex-direction:column;
  padding:19px 19px 17px;background:#fff;border:1px solid var(--line);border-radius:12px;
}
.channel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
.channel-name{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:750;color:var(--ink)}
.channel-dot{width:8px;height:8px;border-radius:50%;background:var(--violet)}
.channel-card:nth-child(2) .channel-dot{background:var(--cyan)}
.channel-label{font-size:10px;font-weight:800;letter-spacing:.1em;color:var(--muted-2);text-transform:uppercase}
.channel-card p{font-size:12.5px;line-height:1.78;color:var(--muted)}
.channel-card .btn{align-self:flex-start;margin-top:13px}
.channel-note{grid-column:1 / -1;font-size:11px;line-height:1.75;color:var(--muted-2)}
.channel-note a{font-weight:600}

.pager{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:47px;padding-top:25px;border-top:1px solid var(--line)}
.pager a{
  display:flex;flex-direction:column;gap:4px;
  padding:13px 15px;border:1px solid var(--line);border-radius:10px;background:#fff;
}
.pager a:hover{border-color:#C9C1E6;text-decoration:none;background:var(--violet-50)}
.pager span{font-size:10px;line-height:1.4;color:var(--muted-2);letter-spacing:.08em;text-transform:uppercase}
.pager strong{font-size:13px;line-height:1.5;color:var(--ink-2);font-weight:650}
.pager a:last-child{text-align:right;align-items:flex-end}

/* download page */
.download-hero-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 23px;box-shadow:var(--shadow-sm);
}
.download-hero-card .version-line{display:flex;align-items:baseline;gap:7px}
.download-hero-card .version-line b{font-size:33px;line-height:1.1;letter-spacing:-.04em;font-weight:800;color:var(--ink)}
.download-hero-card .version-line span{font-family:var(--mono);font-size:11px;color:var(--muted-2)}
.download-hero-card>p{margin-top:6px;font-size:11.5px;line-height:1.65;color:var(--muted)}
.download-hero-card .btn{margin-top:14px}
.download-hero-card .btn+.btn{margin-left:7px}
.download-hero-facts{display:grid;gap:0;margin-top:15px;border-top:1px solid var(--line)}
.download-hero-facts div{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-bottom:1px solid #F1EEF8;font-size:11px}
.download-hero-facts div:last-child{border-bottom:0;padding-bottom:0}
.download-hero-facts dt{color:var(--muted-2)}
.download-hero-facts dd{margin:0;font-family:var(--mono);font-size:10.5px;color:var(--ink-2);text-align:right;overflow-wrap:anywhere}

.version-overview{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;margin:19px 0 22px;
}
.version-overview div{padding:14px 15px;border-left:1px solid var(--line)}
.version-overview div:first-child{border-left:0}
.version-overview span{display:block;font-size:10.5px;line-height:1.5;color:var(--muted-2)}
.version-overview b{display:block;margin-top:3px;font-size:14px;line-height:1.45;color:var(--ink-2)}
.version-overview code{font-size:10.5px;font-weight:500;white-space:nowrap}

/* download dialog */
.download-dialog{
  border:0;padding:0;background:transparent;color:var(--ink);
  width:min(752px,calc(100vw - 32px));max-width:none;max-height:none;
  overflow:visible;
}
button { outline: none } 
.download-dialog::backdrop{background:rgba(17,13,40,.58)}
.download-dialog[open]{animation:dialogIn .18s ease-out;
}
@keyframes dialogIn{from{opacity:0;transform:translateY(8px) scale(.99)}to{opacity:1;transform:none}}
.dialog-panel{
  max-height:calc(100vh - 36px);overflow:auto;overscroll-behavior:contain;
  background:#fff;border:1px solid var(--line-strong);border-radius:19px;
  padding:26px 27px 22px;box-shadow:0 40px 90px -25px rgba(20,12,60,.45);
}
.dialog-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}
.dialog-eyebrow{font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--violet-dark)}
.dialog-title{font-size:26px;line-height:1.3;letter-spacing:-.03em;font-weight:800;margin-top:4px}
.dialog-close{
  display:grid;place-items:center;flex:none;
  width:37px;height:37px;border:1px solid var(--line);border-radius:9px;
  background:#fff;color:var(--muted);
}
.dialog-close:hover{background:var(--bg-3);color:var(--ink)}
.dialog-close .icon{width:18px;height:18px}
.dialog-sub{margin-top:8px;font-size:12.5px;line-height:1.7;color:var(--muted)}
.qr-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:19px}
.qr-card{
  text-align:center;padding:15px 13px 14px;
  background:#FAF9FE;border:1px solid var(--line);border-radius:12px;
}
.qr-slot{
  width:100%;max-width:170px;aspect-ratio:1 / 1;margin:0 auto;padding:7px;
  display:grid;place-items:center;
  background:#fff;border:1px solid var(--line-strong);border-radius:10px;
}
.qr-slot img{display:block;width:100%;height:100%;object-fit:contain;border-radius:6px;background:#fff}
.qr-slot .icon{width:52px;height:52px;stroke-width:1.25}
.qr-slot .qr-note-inline{display:block;font-size:9px;letter-spacing:.12em;color:#B7B0C6;margin-top:5px}
.qr-caption{margin-top:10px;font-size:12.5px;line-height:1.6;font-weight:700;color:var(--ink-2)}
.qr-sub{margin-top:3px;font-size:10.5px;line-height:1.6;color:var(--muted-2)}
.dialog-meta{
  display:flex;flex-wrap:wrap;gap:6px 14px;
  margin-top:15px;padding-top:13px;border-top:1px solid var(--line);
  font-size:10.5px;color:var(--muted-2);
}
.dialog-meta span{display:flex;align-items:center;gap:5px}
.dialog-meta span::before{content:"";width:3px;height:3px;border-radius:50%;background:var(--cyan)}
.dialog-foot{
  display:flex;align-items:flex-start;justify-content:space-between;gap:17px;
  margin-top:14px;
}
.dialog-foot p{font-size:10.5px;line-height:1.7;color:var(--muted-2);max-width:52ch}
.dialog-foot a{display:inline-flex;align-items:center;gap:4px;flex:none;font-size:10.5px;font-weight:600;white-space:nowrap}
.dialog-foot a .icon{width:12px;height:12px}
body.is-dialog-open{overflow:hidden}

/* misc */
.muted{color:var(--muted)}
.nowrap{white-space:nowrap}
.divider{height:1px;background:var(--line);margin:28px 0}
.nojs-note{
  margin:16px 0;padding:10px 13px;background:var(--coral-soft);
  border-left:2px solid var(--coral);font-size:12px;color:#713633;
}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Responsive ---------- */
@media (max-width:1120px){
  .header-inner{gap:17px}
  .nav-link{padding-inline:9px;font-size:14px}
  .header-cta{padding-inline:13px}
  .hero-grid{gap:40px}
  .hero-title{font-size:clamp(37px,5.4vw,59px)}
  .mock-float-a{right:-8px}
  .mock-float-b{left:-11px}
  .flow-grid{gap:42px}
  .download-panel{padding:37px 34px;gap:34px}
  .doc-layout{gap:38px}
}
@media (max-width:1000px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-cta{margin-left:0}
  .brand{margin-right:auto}
  .hero-inner{padding:58px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:42px}
  .hero-copy{max-width:720px}
  .hero-visual{max-width:650px;width:100%;justify-self:center}
  .hero-title{font-size:clamp(38px,6.4vw,62px)}
  .hero .metrics{margin-top:46px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(3){border-left:0}
  .metric:nth-child(n+3){border-top:1px solid var(--line)}
  .section-head{grid-template-columns:1fr;gap:20px}
  .section-head .eyebrow{grid-column:auto}
  .section-head-aside{grid-column:auto}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-grid,.boundary,.faq-layout{grid-template-columns:1fr;gap:36px}
  .flow-intro,.faq-intro{position:static}
  .download-panel{grid-template-columns:1fr;gap:31px}
  .page-hero-grid{grid-template-columns:1fr;gap:32px}
  .fact-card{max-width:500px}
  .doc-layout{grid-template-columns:1fr;gap:31px;padding-top:42px}
  .doc-aside{position:static}
  .toc{display:flex;flex-wrap:wrap;gap:5px;margin-top:10px}
  .toc a{padding:5px 9px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:11px;gap:5px}
  .toc a:hover{border-color:#C9C1E6;background:var(--violet-50)}
  .aside-note{display:none}
  .doc-main{max-width:870px}
}
@media (max-width:760px){
  :root{--header-h:64px}
  .container{padding-inline:20px}
  .header-cta{display:none}
  .mobile-nav{padding-inline:20px}
  .brand-mark{width:36px;height:36px}
  .brand-name{font-size:16px}
  .hero-inner{padding:43px 0 46px}
  .hero::after{width:340px;height:340px;right:-170px;top:-80px}
  .hero-title{font-size:clamp(35px,8.1vw,53px);letter-spacing:-.045em}
  .hero-lede{font-size:15.5px;line-height:1.88}
  .hero-visual{padding:0}
  .mock-float{display:none}
  .mock-body{grid-template-columns:1fr;min-height:0}
  .mock-side{display:none}
  .mock-main{padding:14px 15px}
  .mock-caption{text-align:left;margin-top:11px}
  .metrics{margin-top:34px}
  .metric{padding:17px 16px 16px}
  .metric b{font-size:25px}
  .metric span{font-size:11.5px}
  .section{padding:65px 0}
  .section-title{font-size:clamp(26px,5.1vw,33px)}
  .section-lede{font-size:14.8px}
  .scene-grid{grid-template-columns:1fr;gap:12px}
  .scene{padding:21px 19px 19px}
  .advantages{grid-template-columns:1fr;column-gap:0}
  .advantage{padding:21px 0 22px}
  .flow-step{grid-template-columns:42px minmax(0,1fr);gap:14px}
  .flow-num{width:32px;height:32px;font-size:11px}
  .feature-grid{grid-template-columns:1fr}
  .feature-card{padding:21px 19px 19px}
  .download-panel{padding:28px 22px;border-radius:15px}
  .download-actions .btn{flex:1}
  .package-card{padding:17px 16px 15px}
  .faq-item summary{font-size:14.5px;padding:15px 16px}
  .faq-answer{padding:0 16px 17px;font-size:13.5px}
  .source-grid{grid-template-columns:1fr;gap:0}
  .final-cta{padding:28px 22px;border-radius:15px}
  .final-cta::after{display:none}
  .footer-top{grid-template-columns:1.3fr 1fr 1fr;gap:28px 22px}
  .footer-brand{grid-column:1 / -1}
  .footer-desc{max-width:48ch}
  .footer-bottom{display:block}
  .footer-legal{margin-top:7px}
  .page-hero{padding-bottom:37px}
  .page-hero h1{font-size:clamp(29px,6.1vw,42px)}
  .page-hero .lede{font-size:14.5px}
  .page-hero-grid{gap:27px}
  .page-hero .fact-card{max-width:none}
  .doc-layout{padding:35px 0 65px;gap:25px}
  .doc-section{padding-bottom:28px;margin-bottom:32px}
  .doc-section h2{font-size:22px}
  .doc-section p{font-size:14px}
  .card-grid,.channel-grid{grid-template-columns:1fr}
  .category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .version-overview{grid-template-columns:repeat(2,1fr)}
  .version-overview div:nth-child(3){border-left:0;border-top:1px solid var(--line)}
  .version-overview div:nth-child(4){border-top:1px solid var(--line)}
  .doc-cta{padding:20px 18px}
  .doc-cta .actions{width:100%}
  .doc-cta .btn{flex:1}
  .pager{grid-template-columns:1fr}
  .pager a:last-child{text-align:left;align-items:flex-start}
  .qr-grid{gap:8px}
  .dialog-panel{padding:20px 16px 17px;border-radius:15px}
  .dialog-title{font-size:22px}
  .qr-card{padding:11px 8px 12px}
  .qr-slot{max-width:none}
  .qr-caption{font-size:11.5px}
  .qr-sub{font-size:9.5px}
  .dialog-foot{display:block}
  .dialog-foot a{margin-top:7px}
  .download-hero-card .btn{width:100%}
  .download-hero-card .btn+.btn{margin-left:0;margin-top:7px}
  .step-list>li{padding-left:45px;margin-left:13px}
  .step-list>li::before{left:-13px;width:26px;height:26px}
}
@media (max-width:420px){
  .container{padding-inline:16px}
  .mobile-nav{padding-inline:16px}
  .brand-sub{display:none}
  .brand-name{font-size:15.5px}
  .hero-title{font-size:33px}
  .hero-actions .btn{width:100%}
  .hero-meta{gap:7px 13px;font-size:12px}
  .metrics{grid-template-columns:1fr 1fr}
  .metric{padding:15px 13px}
  .metric b{font-size:23px}
  .metric b .unit{font-size:10.5px}
  .metric span{font-size:10.5px;line-height:1.55}
  .category-grid{grid-template-columns:1fr}
  .version-overview{grid-template-columns:1fr}
  .version-overview div{border-left:0;border-top:1px solid var(--line)}
  .version-overview div:first-child{border-top:0}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
  .faq-contact{font-size:11.5px}
  .dialog-panel{padding:17px 13px 14px}
  .dialog-head{gap:10px}
  .dialog-close{width:33px;height:33px}
  .qr-slot .icon{width:38px;height:38px}
  .qr-sub{display:none}
  .download-panel{padding:24px 17px}
  .download-actions{display:grid;grid-template-columns:1fr}
  .download-actions .btn{width:100%}
  .final-cta .actions{display:grid;grid-template-columns:1fr;width:100%}
  .final-cta .actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}
}
@media print{
  .site-header,.site-footer,.mock-float,.download-dialog,.faq-contact{display:none!important}
  body{background:#fff}
  .hero,.page-hero{background:#fff}
  .section,.doc-layout{padding-block:24px}
}