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@media(min-width:1041px){
  [data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed .qv-guide-rail{position:sticky!important;top:var(--qv-reading-rail-top,96px)!important;align-self:start;max-height:none!important;overflow:visible!important}}
/* Match the shell's marketing buttons, not the compact header buttons. */
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed [data-qv-toc-list] a:not([aria-current]){background:transparent!important;border-left-color:transparent!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(a.qv-btn,a.qv-button,a.btn,a.cta-btn,a.cta-btn-outline,[data-qv-cta-slot]){font-size:13.5px!important;line-height:20.25px!important;padding:11px 18px!important;min-height:44px!important;height:auto!important;width:auto!important;min-width:0!important;max-width:100%!important;box-sizing:border-box!important;white-space:normal!important;text-align:center;flex:0 1 auto!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(.hero-actions,.qv-hero-actions){flex-direction:row!important;align-items:center!important;justify-content:center!important;gap:12px!important;flex-wrap:wrap!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(a.qv-btn,a.qv-button,a.btn,a.cta-btn,a.cta-btn-outline,[data-qv-cta-slot]){width:fit-content!important}
/* Override the existing three-ID-specificity mobile width rule only for this batch. */
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex:is(#qv-actions-a,[data-qveris-guides-root]):is(#qv-actions-b,[data-qveris-guides-root]):is(#qv-actions-c,[data-qveris-guides-root]) :is(.hero-actions,.actions,.hero-btns,.sp-actions,.qv-auto-hero-actions,.hero-ctas,.cta-row) :is(a,button){width:fit-content!important;max-width:100%!important;white-space:normal!important}

/* Module introductions read vertically: label, heading, description, then content. */
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed [data-qv-section-stack]{display:block!important;grid-template-columns:minmax(0,1fr)!important;width:100%!important;max-width:100%!important;min-width:0!important;box-sizing:border-box;text-align:left!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed [data-qv-section-stack="intro"]{margin:0 0 28px!important;padding:0 0 20px!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed [data-qv-section-stack="intro"] > *{width:auto!important;max-width:100%!important;min-width:0!important;flex:none!important;position:static!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed [data-qv-section-stack="intro"] :is(.eyebrow,.qv-eyebrow){display:block!important;margin:0 0 10px!important;font-size:12px!important;line-height:18px!important;white-space:normal!important;word-break:normal!important;writing-mode:horizontal-tb!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed [data-qv-section-stack] h2{font-size:32px!important;line-height:1.25!important;letter-spacing:-.025em!important;margin:0 0 14px!important;max-width:100%!important;word-break:normal!important;text-align:left!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed [data-qv-section-stack="intro"] p{margin:0!important;max-width:80ch!important;font-size:16px!important;line-height:1.7!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed [data-qv-section-stack="module"] > :first-child{position:static!important;top:auto!important;width:auto!important;max-width:100%!important;margin-bottom:24px!important}
@media(max-width:700px){[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed [data-qv-section-stack] h2{font-size:27px!important;line-height:1.3!important}}

/* The hero does not inherit article section dividers below the breadcrumb. */
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed .qv-infra-hero{border-top:0!important}

/* One consistent breadcrumb back control; no pseudo-element arrow assembly. */
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed a.qv-breadcrumb-back{display:inline-flex!important;align-items:center!important;justify-content:center!important;flex:0 0 32px!important;width:32px!important;height:32px!important;min-width:32px!important;min-height:32px!important;padding:0!important;margin:0 4px 0 0!important;box-sizing:border-box!important;border:1px solid rgba(255,255,255,.1)!important;border-radius:10px!important;background:rgba(255,255,255,.04)!important;color:#b2bdc9!important;text-decoration:none!important;line-height:1!important;transform:none!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed .qv-breadcrumb-back .qv-breadcrumb-arrow{display:block!important;position:static!important;flex:none!important;width:16px!important;height:16px!important;margin:0!important;padding:0!important;border:0!important;background:none!important;color:inherit!important;transform:none!important;fill:none!important;stroke:currentColor!important;stroke-width:1.7!important;stroke-linecap:round;stroke-linejoin:round;overflow:visible}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex .qv-breadcrumb-back::before,[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex .qv-breadcrumb-back::after,[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex .qv-breadcrumb-arrow::before,[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex .qv-breadcrumb-arrow::after{content:none!important;display:none!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed a.qv-breadcrumb-back:hover{color:#fff!important;background:rgba(255,255,255,.08)!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed a.qv-breadcrumb-back:focus-visible{outline:2px solid #34e3f4!important;outline-offset:3px!important}

/* 2026-09-21 client policy: selected TOC text, including bilingual descendants. */
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed [data-qv-toc-list] a[aria-current="location"],[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed [data-qv-toc-list] a[aria-current="location"] *{color:#34E3F4!important;-webkit-text-fill-color:#34E3F4!important;transition:none!important}

/* Client reference: compact text-only TOC, no selected block or accent rail. */
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed [data-qv-toc-list]{gap:0!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed [data-qv-toc-list] a,[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed [data-qv-toc-list] a[aria-current="location"]{background:transparent!important;border:0!important;box-shadow:none!important;padding:7px 8px!important;font-size:13px!important;line-height:20.15px!important;font-weight:400!important;color:#93999f!important;-webkit-text-fill-color:#93999f!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed [data-qv-toc-list] a[aria-current="location"],[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed [data-qv-toc-list] a[aria-current="location"] *{color:#34E3F4!important;-webkit-text-fill-color:#34E3F4!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed .qv-toc-desktop [data-qv-toc-label]{font-size:10.5px!important;color:#93999f!important;margin-bottom:14px!important;letter-spacing:0!important}

/* Titles use their content column; do not balance lines or impose a narrower measure. */
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(h1,h2,h3){width:100%!important;max-width:none!important;min-width:0!important;box-sizing:border-box;text-wrap:wrap!important;white-space:normal!important;overflow-wrap:break-word}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(h1,h2,h3) :is(.en,.zh,.locale){max-width:none!important;text-wrap:wrap!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(.section-head,.section-header,[data-qv-section-stack="intro"]){width:100%!important;max-width:none!important;box-sizing:border-box}

/* Exact TOC typography requested by the client. */
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed [data-qv-toc-label]{font-size:10.5px!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed .qv-guide-rail .qv-infra-providers h2{font-size:14px!important}

/* Keep decorative hero dividers out of the TOC rail. */
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed .qv-infra-hero::before{border-bottom:0!important}

/* Keep the short-answer module editorial and compact after the shared vertical stack rules. */
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex .answer[data-qv-section-stack="module"]{display:block!important;padding:0!important;border:0!important;border-radius:0!important;background:transparent!important;box-shadow:none!important;overflow:visible!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex .answer[data-qv-section-stack="module"]>div:first-child{padding:0!important;background:transparent!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex .answer[data-qv-section-stack="module"]>aside{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:12px!important;margin-top:24px!important;padding:0!important;border:0!important;background:transparent!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex .answer[data-qv-section-stack="module"]>aside>div{min-width:0!important;min-height:108px!important;margin:0!important;padding:18px!important;border:1px solid rgba(255,255,255,.11)!important;border-radius:14px!important;background:linear-gradient(180deg,rgba(18,27,42,.78),rgba(10,16,26,.72))!important;box-shadow:none!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex .answer[data-qv-section-stack="module"]>aside b{display:block!important;margin-bottom:9px!important;font-size:10.5px!important;line-height:16px!important;color:#75d9ef!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex .answer[data-qv-section-stack="module"]>aside b+span{display:block!important;font-size:14px!important;line-height:21px!important;color:rgba(255,255,255,.82)!important}
@media(max-width:700px){[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex .answer[data-qv-section-stack="module"]>aside{grid-template-columns:1fr!important}[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex .answer[data-qv-section-stack="module"]>aside>div{min-height:0!important}}

/* BEGIN 2026-09-29 CTA PAIR AND RAIL TYPOGRAPHY */
/* Closing-card button pair: official primary plus restrained secondary. */
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(.cta,.cta-box,.cta-footer,.final-cta) :is(.actions,.cta-actions,.cta-row,.buttons,.btns) > :first-child{
  background:linear-gradient(135deg,#e8fdff 0%,#bff8ff 12%,#34e3f4 32%,#25b8ff 58%,#1e6bff 82%,#2f43ff 100%)!important;
  border:1px solid rgba(255,255,255,.12)!important;
  color:#fff!important;
  box-shadow:0 14px 34px rgba(30,107,255,.22),0 0 26px rgba(52,227,244,.10),inset 0 1px 0 rgba(255,255,255,.28)!important;
}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(.cta,.cta-box,.cta-footer,.final-cta) :is(.actions,.cta-actions,.cta-row,.buttons,.btns) > :nth-child(2),
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(.cta,.cta-box,.cta-footer,.final-cta) :is(.btn.alt,.btn.secondary,.btn-secondary,.qv-btn-secondary,.cta-btn-outline){
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02)),rgba(255,255,255,.016)!important;
  border:1px solid rgba(52,227,244,.25)!important;
  color:rgba(255,255,255,.97)!important;
  box-shadow:none!important;
}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(.cta,.cta-box,.cta-footer,.final-cta) :is(.actions,.cta-actions,.cta-row,.buttons,.btns) > :is(:first-child,:nth-child(2)),
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(.cta,.cta-box,.cta-footer,.final-cta) :is(.btn,.qv-btn,.cta-btn,.cta-btn-outline){
  min-height:44px!important;
  padding:11px 18px!important;
  border-radius:999px!important;
  font-family:inherit!important;
  font-size:13.5px!important;
  line-height:20.25px!important;
  font-weight:600!important;
}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(.cta,.cta-box,.cta-footer,.final-cta) :is(.actions,.cta-actions,.cta-row,.buttons,.btns) > :is(:first-child,:nth-child(2)) *,
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(.cta,.cta-box,.cta-footer,.final-cta) :is(.btn.alt,.btn.secondary,.btn-secondary,.qv-btn-secondary,.cta-btn-outline) *{color:inherit!important;-webkit-text-fill-color:currentColor!important;text-shadow:none!important}

/* Exact rail typography approved in client review. */
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed [data-qv-toc-label]{font-size:10.5px!important;line-height:16px!important;font-weight:600!important;letter-spacing:0!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed [data-qv-toc-list] a{font-size:13px!important;line-height:20.15px!important;font-weight:400!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed .qv-guide-rail .qv-infra-providers h2{font-size:14px!important;line-height:20px!important;font-weight:600!important}

/* Compact provider card approved from the reference: 185px wide, 15px inset. */
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed .qv-guide-rail .qv-infra-providers,
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed .qv-guide-rail .qv-infra-provider-grid{width:185px!important;max-width:185px!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed .qv-guide-rail .qv-infra-provider-card{
  box-sizing:border-box!important;width:185px!important;max-width:185px!important;min-width:185px!important;min-height:150px!important;
  padding:15px!important;border:1px solid rgba(148,163,184,.28)!important;border-radius:12px!important;
  background:rgba(21,31,44,.72)!important;box-shadow:none!important;overflow:hidden!important
}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed .qv-guide-rail .qv-infra-provider-card h3{font-size:14px!important;line-height:20px!important;margin:0 0 6px!important;font-weight:650!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed .qv-guide-rail .qv-infra-provider-card > p:not([data-qv-provider-pair]){
  display:block!important;overflow:visible!important;font-size:12px!important;line-height:18px!important;margin:0 0 7px!important
}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed .qv-guide-rail .qv-infra-provider-card [data-qv-provider-pair]{display:grid!important;gap:3px!important;margin:0!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed .qv-guide-rail .qv-infra-provider-card [data-qv-provider-pair] a{font-size:12px!important;line-height:18px!important;margin:0!important;white-space:nowrap!important;overflow:hidden!important;text-overflow:ellipsis!important}
@media(max-width:1040px){
  [data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed .qv-guide-rail .qv-infra-providers,
  [data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed .qv-guide-rail .qv-infra-provider-grid{width:auto!important;max-width:none!important}
  [data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed .qv-guide-rail .qv-infra-provider-card{width:min(100%,320px)!important;max-width:320px!important;min-width:0!important;min-height:150px!important}}
/* END 2026-09-29 CTA PAIR AND RAIL TYPOGRAPHY */
/* BEGIN QVERIS PRIMARY CTA EDGE FIX */
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(.cta,.cta-box,.cta-footer,.final-cta,.qv-final-cta) :is(.actions,.cta-actions,.cta-row,.buttons,.btns) > :first-child{
  border:0!important;
  outline:0!important;
  background-clip:border-box!important;
  background-origin:border-box!important;
  box-shadow:0 14px 34px rgba(30,107,255,.22),0 0 26px rgba(52,227,244,.10)!important;
  overflow:hidden!important;
  isolation:isolate;
}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(.cta,.cta-box,.cta-footer,.final-cta,.qv-final-cta) :is(.actions,.cta-actions,.cta-row,.buttons,.btns) > :first-child::before,
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(.cta,.cta-box,.cta-footer,.final-cta,.qv-final-cta) :is(.actions,.cta-actions,.cta-row,.buttons,.btns) > :first-child::after{
  border:0!important;
  box-shadow:none!important;
}
/* END QVERIS PRIMARY CTA EDGE FIX */

/* BEGIN QVERIS HERO CTA SIZE RESTORE */
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(.hero-actions,.qv-hero-actions,.hero-btns,.qv-auto-hero-actions,.hero-ctas) > :is(a,button){
  width:auto!important;
  max-width:100%!important;
  min-height:48px!important;
  height:48px!important;
  padding:0 24px!important;
  font-size:14px!important;
  line-height:20px!important;
  white-space:nowrap!important;
  flex:0 0 auto!important;
  box-sizing:border-box!important;
}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex:is(#qv-hero-type-a,[data-qveris-guides-root]):is(#qv-hero-type-b,[data-qveris-guides-root]):is(#qv-hero-type-c,[data-qveris-guides-root]) :is(.hero-actions,.qv-hero-actions,.hero-btns,.qv-auto-hero-actions,.hero-ctas) > :is(a,button){font-size:14.5px!important;line-height:22px!important;letter-spacing:.01em!important;word-spacing:.04em!important;font-weight:600!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex:is(#qv-hero-size-a,[data-qveris-guides-root]):is(#qv-hero-size-b,[data-qveris-guides-root]):is(#qv-hero-size-c,[data-qveris-guides-root]) :is(.hero-actions,.qv-hero-actions,.hero-btns,.qv-auto-hero-actions,.hero-ctas) > :first-child{width:auto!important;min-width:190px!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex:is(#qv-hero-size-a,[data-qveris-guides-root]):is(#qv-hero-size-b,[data-qveris-guides-root]):is(#qv-hero-size-c,[data-qveris-guides-root]) :is(.hero-actions,.qv-hero-actions,.hero-btns,.qv-auto-hero-actions,.hero-ctas) > :nth-child(2){width:auto!important;min-width:168px!important}
@media(max-width:700px){
  [data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(.hero-actions,.qv-hero-actions,.hero-btns,.qv-auto-hero-actions,.hero-ctas) > :is(a,button){width:100%!important;min-width:0!important;white-space:normal!important}}
/* END QVERIS HERO CTA SIZE RESTORE */

/* BEGIN QVERIS OFFICIAL CTA SURFACE */
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed
  :is(.cta,.cta-box,.cta-footer,.final-cta,.qv-final-cta,.cta-band,.cta-card):has(:is(h2,h3)){
  background:
    radial-gradient(72% 130% at 100% 0%,rgba(52,227,244,.075) 0%,rgba(52,227,244,0) 66%),
    linear-gradient(135deg,rgba(13,22,34,.98) 0%,rgba(8,13,22,.99) 100%)!important;
  border:1px solid rgba(87,132,158,.42)!important;
  box-shadow:0 18px 42px rgba(0,0,0,.24)!important;
  color:#f5f7fa!important;
}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed
  :is(.cta,.cta-box,.cta-footer,.final-cta,.qv-final-cta,.cta-band,.cta-card):has(:is(h2,h3)) :is(h2,h3){
  color:#f5f7fa!important;
  -webkit-text-fill-color:#f5f7fa!important;
}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed
  :is(.cta,.cta-box,.cta-footer,.final-cta,.qv-final-cta,.cta-band,.cta-card):has(:is(h2,h3)) p{
  color:#aab4c1!important;
  -webkit-text-fill-color:#aab4c1!important;
}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed
  :is(.cta,.cta-box,.cta-footer,.final-cta,.qv-final-cta,.cta-band,.cta-card):has(:is(h2,h3))
  :is(.actions,.cta-actions,.cta-row,.buttons,.btns,.btn-row) > :first-child{
  color:#fff!important;
  -webkit-text-fill-color:#fff!important;
  font-weight:600!important;
  text-shadow:none!important;
}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed
  :is(.cta,.cta-box,.cta-footer,.final-cta,.qv-final-cta,.cta-band,.cta-card):has(:is(h2,h3))
  :is(.actions,.cta-actions,.cta-row,.buttons,.btns,.btn-row) > :first-child *{
  color:#fff!important;
  -webkit-text-fill-color:#fff!important;
  text-shadow:none!important;
}
/* END QVERIS OFFICIAL CTA SURFACE */

/* BEGIN 2026-09-29 CONTENT MODULE DIVERSITY */
/* developer: workflow-specific geometry; CTA and provider surfaces excluded. */
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex main :is(.card,.profile,.rank,.info-card,.qv-card,.domain-card,.demo-card,.model-card,.change-card,.fix-card,.scene-card,.step-card,.step-box,.tldr-card,.arch-card,.scenario-card,.pattern,.guide-item,.flow-node,article.step,div.step,div.qv-step,article.check,div.check,.check-item,.step-item,.stat-card,.stats-item,.tl-item,div.decision):not(.qv-infra-provider-card){background:rgba(11,17,25,.38)!important;border:0!important;border-bottom:1px solid rgba(103,232,249,.28)!important;border-radius:0!important;box-shadow:none!important;padding:18px 18px 20px!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex main :is(div,section):not(.qv-guide-rail):not(.qv-infra-provider-grid):has(> :is(.card,.profile,.rank,.info-card,.qv-card,.domain-card,.demo-card,.model-card,.change-card,.fix-card,.scene-card,.step-card,.step-box,.tldr-card,.arch-card,.scenario-card,.pattern,.guide-item,.flow-node,article.step,div.step,div.qv-step,article.check,div.check,.check-item,.step-item,.stat-card,.stats-item,.tl-item,div.decision)):has(> :is(.card,.profile,.rank,.info-card,.qv-card,.domain-card,.demo-card,.model-card,.change-card,.fix-card,.scene-card,.step-card,.step-box,.tldr-card,.arch-card,.scenario-card,.pattern,.guide-item,.flow-node,article.step,div.step,div.qv-step,article.check,div.check,.check-item,.step-item,.stat-card,.stats-item,.tl-item,div.decision) + :is(.card,.profile,.rank,.info-card,.qv-card,.domain-card,.demo-card,.model-card,.change-card,.fix-card,.scene-card,.step-card,.step-box,.tldr-card,.arch-card,.scenario-card,.pattern,.guide-item,.flow-node,article.step,div.step,div.qv-step,article.check,div.check,.check-item,.step-item,.stat-card,.stats-item,.tl-item,div.decision)){display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:12px!important;align-items:stretch!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex main :is(.card,.profile,.rank,.info-card,.qv-card,.domain-card,.demo-card,.model-card,.change-card,.fix-card,.scene-card,.step-card,.step-box,.tldr-card,.arch-card,.scenario-card,.pattern,.guide-item,.flow-node,article.step,div.step,div.qv-step,article.check,div.check,.check-item,.step-item,.stat-card,.stats-item,.tl-item,div.decision):not(.qv-infra-provider-card)>:is(.eyebrow,.kicker,.label,.tag):first-child{color:#67e8f9!important;font-size:12px!important;font-weight:700!important;letter-spacing:.04em!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex main :is(.card,.profile,.rank,.info-card,.qv-card,.domain-card,.demo-card,.model-card,.change-card,.fix-card,.scene-card,.step-card,.step-box,.tldr-card,.arch-card,.scenario-card,.pattern,.guide-item,.flow-node,article.step,div.step,div.qv-step,article.check,div.check,.check-item,.step-item,.stat-card,.stats-item,.tl-item,div.decision):not(.qv-infra-provider-card)>h3{color:#f8fafc!important;font-weight:650!important;line-height:1.35!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex main :is(.card,.profile,.rank,.info-card,.qv-card,.domain-card,.demo-card,.model-card,.change-card,.fix-card,.scene-card,.step-card,.step-box,.tldr-card,.arch-card,.scenario-card,.pattern,.guide-item,.flow-node,article.step,div.step,div.qv-step,article.check,div.check,.check-item,.step-item,.stat-card,.stats-item,.tl-item,div.decision):not(.qv-infra-provider-card)>:is(p,ul,ol,dl){line-height:1.7!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex main :is(div,section):not(.qv-guide-rail):not(.qv-infra-provider-grid):has(> :is(.card,.profile,.rank,.info-card,.qv-card,.domain-card,.demo-card,.model-card,.change-card,.fix-card,.scene-card,.step-card,.step-box,.tldr-card,.arch-card,.scenario-card,.pattern,.guide-item,.flow-node,article.step,div.step,div.qv-step,article.check,div.check,.check-item,.step-item,.stat-card,.stats-item,.tl-item,div.decision)):has(> :is(.card,.profile,.rank,.info-card,.qv-card,.domain-card,.demo-card,.model-card,.change-card,.fix-card,.scene-card,.step-card,.step-box,.tldr-card,.arch-card,.scenario-card,.pattern,.guide-item,.flow-node,article.step,div.step,div.qv-step,article.check,div.check,.check-item,.step-item,.stat-card,.stats-item,.tl-item,div.decision) + :is(.card,.profile,.rank,.info-card,.qv-card,.domain-card,.demo-card,.model-card,.change-card,.fix-card,.scene-card,.step-card,.step-box,.tldr-card,.arch-card,.scenario-card,.pattern,.guide-item,.flow-node,article.step,div.step,div.qv-step,article.check,div.check,.check-item,.step-item,.stat-card,.stats-item,.tl-item,div.decision))>:is(.card,.profile,.rank,.info-card,.qv-card,.domain-card,.demo-card,.model-card,.change-card,.fix-card,.scene-card,.step-card,.step-box,.tldr-card,.arch-card,.scenario-card,.pattern,.guide-item,.flow-node,article.step,div.step,div.qv-step,article.check,div.check,.check-item,.step-item,.stat-card,.stats-item,.tl-item,div.decision):not(.qv-infra-provider-card){width:auto!important;min-width:0!important;margin:0!important}
@media(max-width:920px){[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex main :is(div,section):not(.qv-guide-rail):not(.qv-infra-provider-grid):has(> :is(.card,.profile,.rank,.info-card,.qv-card,.domain-card,.demo-card,.model-card,.change-card,.fix-card,.scene-card,.step-card,.step-box,.tldr-card,.arch-card,.scenario-card,.pattern,.guide-item,.flow-node,article.step,div.step,div.qv-step,article.check,div.check,.check-item,.step-item,.stat-card,.stats-item,.tl-item,div.decision)):has(> :is(.card,.profile,.rank,.info-card,.qv-card,.domain-card,.demo-card,.model-card,.change-card,.fix-card,.scene-card,.step-card,.step-box,.tldr-card,.arch-card,.scenario-card,.pattern,.guide-item,.flow-node,article.step,div.step,div.qv-step,article.check,div.check,.check-item,.step-item,.stat-card,.stats-item,.tl-item,div.decision) + :is(.card,.profile,.rank,.info-card,.qv-card,.domain-card,.demo-card,.model-card,.change-card,.fix-card,.scene-card,.step-card,.step-box,.tldr-card,.arch-card,.scenario-card,.pattern,.guide-item,.flow-node,article.step,div.step,div.qv-step,article.check,div.check,.check-item,.step-item,.stat-card,.stats-item,.tl-item,div.decision)){grid-template-columns:repeat(2,minmax(0,1fr))!important}}
@media(max-width:760px){[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex main :is(.card,.profile,.rank,.info-card,.qv-card,.domain-card,.demo-card,.model-card,.change-card,.fix-card,.scene-card,.step-card,.step-box,.tldr-card,.arch-card,.scenario-card,.pattern,.guide-item,.flow-node,article.step,div.step,div.qv-step,article.check,div.check,.check-item,.step-item,.stat-card,.stats-item,.tl-item,div.decision):not(.qv-infra-provider-card){padding:17px!important}[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex main :is(div,section):not(.qv-guide-rail):not(.qv-infra-provider-grid):has(> :is(.card,.profile,.rank,.info-card,.qv-card,.domain-card,.demo-card,.model-card,.change-card,.fix-card,.scene-card,.step-card,.step-box,.tldr-card,.arch-card,.scenario-card,.pattern,.guide-item,.flow-node,article.step,div.step,div.qv-step,article.check,div.check,.check-item,.step-item,.stat-card,.stats-item,.tl-item,div.decision)):has(> :is(.card,.profile,.rank,.info-card,.qv-card,.domain-card,.demo-card,.model-card,.change-card,.fix-card,.scene-card,.step-card,.step-box,.tldr-card,.arch-card,.scenario-card,.pattern,.guide-item,.flow-node,article.step,div.step,div.qv-step,article.check,div.check,.check-item,.step-item,.stat-card,.stats-item,.tl-item,div.decision) + :is(.card,.profile,.rank,.info-card,.qv-card,.domain-card,.demo-card,.model-card,.change-card,.fix-card,.scene-card,.step-card,.step-box,.tldr-card,.arch-card,.scenario-card,.pattern,.guide-item,.flow-node,article.step,div.step,div.qv-step,article.check,div.check,.check-item,.step-item,.stat-card,.stats-item,.tl-item,div.decision)){grid-template-columns:minmax(0,1fr)!important}}
/* END 2026-09-29 CONTENT MODULE DIVERSITY */

/* Batch CTA pair normalization: match the approved hero button hierarchy. */
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(.cta,.cta-box,.cta-footer,.final-cta,.qv-final-cta,.cta-band,.cta-card):has(:is(h2,h3)) :is(.actions,.cta-actions,.cta-row,.buttons,.btns,.btn-row,.hero-btns) > :first-child{background:linear-gradient(135deg,#e8fdff 0%,#bff8ff 12%,#34e3f4 32%,#25b8ff 58%,#1e6bff 82%,#2f43ff 100%)!important;border:0!important;color:#fff!important;-webkit-text-fill-color:#fff!important;box-shadow:0 14px 34px rgba(30,107,255,.22),0 0 26px rgba(52,227,244,.10),inset 0 1px 0 rgba(255,255,255,.28)!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(.cta,.cta-box,.cta-footer,.final-cta,.qv-final-cta,.cta-band,.cta-card):has(:is(h2,h3)) :is(.actions,.cta-actions,.cta-row,.buttons,.btns,.btn-row,.hero-btns) > :nth-child(2){background:rgba(255,255,255,.018)!important;border:1px solid rgba(52,227,244,.28)!important;color:#f4f7fb!important;-webkit-text-fill-color:#f4f7fb!important;box-shadow:none!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root].qv-guide-page.qv-guides-embed :is(.cta,.cta-box,.cta-footer,.final-cta,.qv-final-cta,.cta-band,.cta-card):has(:is(h2,h3)) :is(.actions,.cta-actions,.cta-row,.buttons,.btns,.btn-row,.hero-btns) > :is(:first-child,:nth-child(2)) *{color:inherit!important;-webkit-text-fill-color:currentColor!important;text-shadow:none!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root] .qv-infra-editorial{width:100%!important;max-width:none!important;margin-left:0!important;margin-right:0!important}
[data-qv-infra].qv-guide-page--best-apis-to-use-with-codex[data-qveris-guides-root] .qv-infra-editorial>img{display:block!important;width:100%!important;max-width:none!important;height:auto!important;max-height:none!important;object-fit:contain!important}