@font-face{font-family:"Outfit";src:url("/assets/fonts/outfit.woff2") format("woff2");font-weight:100 900;font-display:swap}

:root{
  --ink:#17132E;        /* deep violet ink, taken from the purple of the mark */
  --ink-soft:#544F6E;
  --paper:#FEFEFE;      /* matches the white of the artwork */
  --mist:#F3F1FB;
  --line:#DFDBEF;
  --lime:#DCF958;
  --lime-deep:#C6E632;
  --purple:#7149F2;
  --purple-deep:#5530CF;
  --coral:#FF8E6B;
  --coral-soft:#FFE6DD;
  --r-s:10px; --r-m:20px; --r-pill:999px;
  --wrap:1180px;
  --font:"Outfit","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:18px;line-height:1.55;font-weight:400}
img{max-width:100%;height:auto;display:block}
a{color:var(--purple-deep);text-underline-offset:3px}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--purple);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-weight:800;line-height:1.05;letter-spacing:-.02em;margin:0;text-wrap:balance}
h1{font-size:clamp(2.5rem,6.2vw,4.75rem)}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem)}
h3{font-size:1.3rem;line-height:1.2;letter-spacing:-.01em}
:lang(zh) h1,:lang(zh) h2,:lang(zh) h3{letter-spacing:0;line-height:1.2}
p{margin:0 0 1em;max-width:62ch}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.lede{font-size:1.25rem;color:var(--ink-soft);max-width:52ch}
.muted{color:var(--ink-soft)}
.small{font-size:.9rem}
.skip{position:absolute;left:-999px}
.skip:focus{left:16px;top:16px;background:var(--ink);color:#fff;padding:10px 14px;z-index:99;border-radius:8px}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:20;background:rgba(254,254,254,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem;letter-spacing:-.01em;color:var(--ink);text-decoration:none;white-space:nowrap}
.brand img{width:38px;height:38px}
.nav{display:flex;gap:22px;margin-left:auto;align-items:center}
.nav a{color:var(--ink);text-decoration:none;font-weight:500;font-size:1rem}
.nav a:hover,.nav a[aria-current=page]{text-decoration:underline;text-decoration-thickness:3px;text-decoration-color:var(--lime-deep);text-underline-offset:8px}
.lang{font-weight:600;font-size:.95rem;border:1.5px solid var(--ink);border-radius:var(--r-pill);padding:5px 12px;color:var(--ink);text-decoration:none;white-space:nowrap}
.lang:hover{background:var(--ink);color:#fff}
.menu{display:none}
@media (max-width:980px){
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;padding:16px 24px 22px;gap:14px}
  .nav.open{display:flex}
  .nav a{font-size:1.15rem}
  .menu{display:inline-flex;margin-left:auto;background:none;border:1.5px solid var(--ink);border-radius:var(--r-pill);font:inherit;font-weight:600;font-size:.95rem;padding:5px 14px;color:var(--ink);cursor:pointer}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;font:inherit;font-weight:700;font-size:1.05rem;padding:14px 26px;border-radius:var(--r-pill);border:2px solid var(--ink);cursor:pointer;text-decoration:none;color:var(--ink);background:var(--lime);transition:transform .12s,box-shadow .12s;box-shadow:0 4px 0 var(--ink);white-space:nowrap}
.btn:hover{transform:translateY(2px);box-shadow:0 2px 0 var(--ink);color:var(--ink)}
.btn:active{transform:translateY(4px);box-shadow:none}
.btn.quiet{background:var(--paper)}
.btn.sm{padding:9px 18px;font-size:.95rem;box-shadow:0 3px 0 var(--ink)}
@media (prefers-reduced-motion:reduce){.btn{transition:none}html{scroll-behavior:auto}}

/* ---------- pilot notice ---------- */
.pilot{background:var(--ink);color:#fff;font-size:.93rem}
.pilot .wrap{padding-top:9px;padding-bottom:9px}
.pilot a{color:var(--lime)}
.pilot p{margin:0;max-width:none}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden}
.hero .wrap{position:relative;display:grid;grid-template-columns:minmax(0,1fr);padding-top:72px;padding-bottom:88px;min-height:620px;align-content:center}
.hero-art{position:absolute;right:-60px;top:0;height:100%;width:auto;max-width:none;z-index:0;pointer-events:none}
.hero-copy{position:relative;z-index:1;max-width:600px}
.hero h1{margin-bottom:20px}
.hero .lede{margin-bottom:30px}
.hero-m{display:none}
.ask{background:var(--paper);border:2px solid var(--ink);border-radius:var(--r-m);padding:8px;display:flex;gap:8px;box-shadow:0 6px 0 var(--ink);max-width:600px}
.ask input{flex:1;min-width:0;border:0;background:none;font:inherit;font-size:1.1rem;padding:10px 14px;color:var(--ink)}
.ask input:focus{outline:none}
.ask:focus-within{border-color:var(--purple);box-shadow:0 6px 0 var(--purple)}
.ask .btn{box-shadow:none;transform:none}
.ask-label{display:block;font-weight:700;margin-bottom:10px}
.hero-alt{margin-top:22px;font-size:1rem}
.hero-art{right:min(-60px,calc((100vw - 1440px) * .6))}
@media (max-width:1120px){
  .hero .wrap{padding-top:40px;padding-bottom:48px;min-height:0}
  .hero-art{display:none}
  .hero-copy{max-width:680px}
  .hero-m{display:block;margin:6px -24px 20px;width:calc(100% + 48px);max-width:none;max-height:340px;object-fit:cover;object-position:50% 60%}
}
@media (max-width:560px){
  .ask{flex-direction:column}
  .ask .btn{width:100%}
}

/* ---------- sections ---------- */
.sec{padding:84px 0}
.sec.tint{background:var(--mist)}
.sec.dark{background:var(--ink);color:#fff}
.sec.dark .lede,.sec.dark .muted{color:#C9C4E2}
.sec.dark a:not(.btn){color:var(--lime)}
.sec-head{margin-bottom:40px;max-width:720px}
.sec-head h2{margin-bottom:14px}
.page-head{padding-top:64px;padding-bottom:36px}
.page-head h1{font-size:clamp(2.2rem,5vw,3.6rem);margin-bottom:16px}
@media (max-width:700px){.sec{padding:56px 0}.page-head{padding-top:40px;padding-bottom:24px}}

/* ---------- category arches ---------- */
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cat{display:flex;flex-direction:column;text-decoration:none;color:var(--ink);background:#fff;border:2px solid var(--ink);border-radius:200px 200px var(--r-m) var(--r-m);overflow:hidden;transition:transform .15s}
.cat:hover{transform:translateY(-4px);color:var(--ink)}
.cat img{aspect-ratio:1/1;object-fit:cover;width:100%;background:#fff}
.cat-body{padding:18px 20px 22px;border-top:2px solid var(--ink);flex:1}
.cat h3{margin-bottom:6px}
.cat p{font-size:.97rem;color:var(--ink-soft);margin:0}
.cat.c-data .cat-body{background:var(--lime)}
.cat.c-content .cat-body{background:#E4DBFF}
.cat.c-support .cat-body{background:var(--coral-soft)}
.cat.c-workflow{border-style:dashed}
.cat.c-data p,.cat.c-content p,.cat.c-support p{color:var(--ink)}
@media (max-width:980px){.cats{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.cats{grid-template-columns:1fr}.cat{border-radius:var(--r-m);flex-direction:row}.cat img{width:38%;aspect-ratio:auto}.cat-body{border-top:0;border-left:2px solid var(--ink)}}
@media (prefers-reduced-motion:reduce){.cat{transition:none}}

/* ---------- steps ---------- */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;counter-reset:s}
.steps li{counter-increment:s;border-top:3px solid var(--ink);padding-top:16px}
.steps li::before{content:counter(s);display:block;font-weight:800;font-size:2.6rem;line-height:1;margin-bottom:12px;color:var(--purple)}
.steps h3{margin-bottom:8px}
.steps p{font-size:1rem;color:var(--ink-soft);margin:0}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}

/* ---------- status pills ---------- */
.status{display:inline-flex;align-items:center;gap:7px;font-size:.85rem;font-weight:600;padding:4px 11px;border-radius:var(--r-pill);border:1.5px solid var(--ink);background:#fff;white-space:nowrap}
.status::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--line);border:1.5px solid var(--ink)}
.status.s-hosted::before{background:var(--coral)}
.status.s-callable::before{background:var(--lime-deep)}

/* ---------- booths ---------- */
.booths{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.booth{background:#fff;border:2px solid var(--ink);border-radius:var(--r-m);overflow:hidden;display:flex;flex-direction:column}
.booth img{aspect-ratio:16/9;object-fit:cover;width:100%;border-bottom:2px solid var(--ink)}
.booth-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.booth-no{font-weight:700;font-size:.9rem;color:var(--purple-deep)}
.booth h3 a{color:var(--ink);text-decoration:none}
.booth h3 a:hover{text-decoration:underline}
.booth p{font-size:1rem;margin:0;color:var(--ink-soft)}
.facts{list-style:none;padding:0;margin:4px 0 0;font-size:.95rem;display:grid;gap:4px}
.facts b{font-weight:600}
.booth .btn{margin-top:auto;align-self:flex-start}
.booth.open{border-style:dashed;background:transparent;justify-content:center;min-height:300px}
.booth.open .booth-body{justify-content:center;align-items:flex-start}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{font:inherit;font-weight:600;font-size:.97rem;padding:8px 16px;border-radius:var(--r-pill);border:1.5px solid var(--ink);background:#fff;color:var(--ink);cursor:pointer}
.chip[aria-pressed=true]{background:var(--ink);color:#fff}
.booth[hidden]{display:none}
@media (max-width:980px){.booths{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.booths{grid-template-columns:1fr}}

/* ---------- split / feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split img{border-radius:var(--r-m);border:2px solid var(--ink);background:#fff}
.split h2{margin-bottom:16px}
.split .btn{margin-top:10px}
.ticks{list-style:none;padding:0;margin:0 0 22px;display:grid;gap:10px}
.ticks li{padding-left:30px;position:relative;max-width:56ch}
.ticks li::before{content:"";position:absolute;left:0;top:.42em;width:16px;height:9px;border-left:3px solid var(--purple);border-bottom:3px solid var(--purple);transform:rotate(-45deg)}
.sec.dark .ticks li::before{border-color:var(--lime)}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:28px}}

/* ---------- code ---------- */
pre{background:#0F0C22;color:#E9E6FA;border-radius:var(--r-s);padding:20px 22px;overflow-x:auto;font-size:.88rem;line-height:1.6;margin:0;border:1px solid #37325A}
code{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace}
p code,li code,td code{background:var(--mist);padding:2px 6px;border-radius:5px;font-size:.88em}
.sec.dark p code{background:#2A2550;color:#fff}

/* ---------- booth detail ---------- */
.detail{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:48px;align-items:start;padding-bottom:84px}
.detail-cover{border:2px solid var(--ink);border-radius:var(--r-m);margin-bottom:32px;background:#fff}
.detail h2{font-size:1.6rem;margin:36px 0 14px}
.pkg{border:2px solid var(--ink);border-radius:var(--r-m);background:#fff;position:sticky;top:92px;overflow:hidden}
.pkg-head{background:var(--lime);padding:18px 22px;border-bottom:2px solid var(--ink);font-weight:800;font-size:1.2rem}
.pkg dl{margin:0;padding:8px 22px}
.pkg dt{font-size:.85rem;font-weight:600;color:var(--ink-soft);margin-top:14px}
.pkg dd{margin:2px 0 0;font-weight:500}
.pkg-foot{padding:18px 22px 22px}
.pkg-foot .btn{width:100%}
.empty{border:2px dashed var(--line);border-radius:var(--r-m);padding:22px 24px;color:var(--ink-soft);background:var(--mist)}
.empty p{margin:0}
.mobile-cta{display:none}
@media (max-width:900px){
  .detail{grid-template-columns:1fr;gap:28px;padding-bottom:120px}
  .pkg{position:static}
  .mobile-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--paper);border-top:2px solid var(--ink);padding:12px 16px calc(12px + env(safe-area-inset-bottom))}
  .mobile-cta .btn{width:100%;box-shadow:none}
}

/* ---------- forms ---------- */
.form-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:56px;align-items:start;padding-bottom:84px}
form.card{border:2px solid var(--ink);border-radius:var(--r-m);padding:30px;background:#fff;display:grid;gap:22px}
.field label,.field legend{display:block;font-weight:700;margin-bottom:6px;padding:0}
.field .hint{display:block;font-size:.9rem;color:var(--ink-soft);margin-bottom:8px;font-weight:400}
.field input[type=text],.field input[type=email],.field input[type=url],.field input[type=date],.field select,.field textarea{width:100%;font:inherit;font-size:1.02rem;padding:12px 14px;border:1.5px solid var(--ink);border-radius:var(--r-s);background:#fff;color:var(--ink)}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:3px solid var(--purple);outline-offset:1px}
.field fieldset,fieldset.field{border:0;padding:0;margin:0}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:400}
.check input{width:20px;height:20px;margin-top:3px;accent-color:var(--purple);flex:none}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.hp{position:absolute;left:-9999px}
.aside h2{font-size:1.5rem;margin-bottom:14px}
.aside{display:grid;gap:28px}
.aside-box{background:var(--mist);border-radius:var(--r-m);padding:26px}
.aside-box.lime{background:var(--lime)}
.aside-box ol,.aside-box ul{margin:0;padding-left:1.2em;display:grid;gap:8px}
@media (max-width:900px){.form-layout{grid-template-columns:1fr;gap:32px}.row2{grid-template-columns:1fr}form.card{padding:22px}}

/* ---------- tables ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:1rem}
.tbl th,.tbl td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{font-weight:700;border-bottom:2px solid var(--ink);font-size:.95rem}
.tbl-wrap{overflow-x:auto}

/* ---------- prose ---------- */
.prose{max-width:720px;padding-bottom:84px}
.prose h2{font-size:1.7rem;margin:48px 0 14px}
.prose h2:first-child{margin-top:0}
.prose ul{padding-left:1.2em;display:grid;gap:8px;margin:0 0 1em}
.prose li{max-width:60ch}

/* ---------- footer ---------- */
.foot{border-top:2px solid var(--ink);padding:48px 0 40px;font-size:.97rem}
.foot .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot h4{margin:0 0 12px;font-size:.95rem;font-weight:700}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.foot a{color:var(--ink);text-decoration:none}
.foot a:hover{text-decoration:underline}
.foot .legal{grid-column:1/-1;border-top:1px solid var(--line);padding-top:20px;color:var(--ink-soft);font-size:.88rem}
.foot .legal p{max-width:none;margin:0}
@media (max-width:760px){.foot .wrap{grid-template-columns:1fr 1fr}.foot .about{grid-column:1/-1}}

/* ---------- fixes ---------- */
.sec.dark li code,.sec.dark p code{background:#2A2550;color:inherit}
.booth.open .btn{margin-top:6px}

.field label.check,.check{display:flex;font-weight:400;margin-bottom:8px}
:lang(zh) .hero h1{font-size:clamp(2.2rem,5vw,3.9rem)}
ins.adsbygoogle[data-ad-status="unfilled"]{display:none!important}