:root {
  --cso-ink: #10251f;
  --cso-muted: #62736d;
  --cso-green: #0b6b50;
  --cso-green-2: #0f8b68;
  --cso-mint: #dff4eb;
  --cso-orange: #ef7a3d;
  --cso-paper: #f4f7f4;
  --cso-line: #d9e3de;
  --cso-night: #071f1a;
  --cso-white: #fff;
  --cso-shell: min(1180px, calc(100% - 48px));
  --cso-shadow: 0 24px 70px rgba(10, 45, 35, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.cso-page { margin: 0; color: var(--cso-ink); background: #fff; font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; }
body.cso-page main { overflow: clip; }
.cso-shell { width: var(--cso-shell); margin-inline: auto; }
.cso-page main h1,
.cso-page main h2,
.cso-page main h3 { width: 100%; max-width: none; min-width: 0; margin-top: 0; white-space: nowrap; overflow: visible; text-overflow: clip; letter-spacing: -.035em; }
.cso-page p { line-height: 1.78; }
.cso-page a { color: inherit; }
.cso-overline,
.cso-kicker { margin: 0 0 12px; color: var(--cso-green-2); font-size: 12px; line-height: 1.2; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }

/* 650px full-bleed hero: the media is a background layer, never a framed content image. */
.cso-hero { position: relative; height: 650px; min-height: 650px; overflow: hidden; isolation: isolate; background: var(--cso-night); color: #fff; }
.cso-hero::after { position: absolute; inset: 0; z-index: 1; content: ""; pointer-events: none; background: linear-gradient(90deg, rgba(4, 23, 19, .96) 0%, rgba(5, 28, 23, .89) 31%, rgba(5, 28, 23, .43) 55%, rgba(5, 28, 23, .08) 78%), linear-gradient(0deg, rgba(4, 22, 18, .38), transparent 44%); }
.cso-hero__media { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; overflow: hidden; }
.cso-hero__media img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.cso-hero__inner { position: relative; z-index: 2; display: flex; align-items: center; height: 100%; }
.cso-hero__copy { width: min(650px, 58%); padding: 58px 0 48px; }
.cso-hero h1 { margin-bottom: 18px; font-size: clamp(42px, 4.4vw, 68px); line-height: 1.04; }
.cso-hero__claim { max-width: 610px; margin: 0 0 15px; font-size: clamp(21px, 2vw, 30px); line-height: 1.3; font-weight: 760; }
.cso-hero__lead { max-width: 610px; margin: 0; color: rgba(255,255,255,.78); font-size: 15px; }
.cso-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.cso-button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px; border: 1px solid rgba(255,255,255,.26); border-radius: 9px; font-weight: 750; text-decoration: none; transition: transform .25s ease, box-shadow .25s ease, background .25s ease; }
.cso-button:hover { transform: translateY(-2px); }
.cso-button--primary { border-color: var(--cso-orange); background: var(--cso-orange); color: #fff; box-shadow: 0 12px 26px rgba(239,122,61,.24); }
.cso-button--ghost { background: rgba(255,255,255,.07); backdrop-filter: blur(8px); }
.cso-proof { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 32px 0 0; padding: 22px 0 0; border-top: 1px solid rgba(255,255,255,.18); list-style: none; }
.cso-proof li { min-width: 0; padding-right: 18px; }
.cso-proof li + li { padding-left: 18px; border-left: 1px solid rgba(255,255,255,.16); }
.cso-proof strong,
.cso-proof span { display: block; }
.cso-proof strong { font-size: 16px; }
.cso-proof span { margin-top: 6px; color: rgba(255,255,255,.59); font-size: 12px; line-height: 1.55; }

.cso-anchor { position: sticky; top: var(--header-height, 0); z-index: 60; display: none; border-bottom: 1px solid #e2e9e5; background: rgba(255,255,255,.94); backdrop-filter: blur(14px); }
body.xb-shell-embedded .cso-anchor { top: 0; display: block; }
.cso-anchor__scroll { display: flex; justify-content: center; gap: 30px; overflow-x: auto; scrollbar-width: none; }
.cso-anchor__scroll::-webkit-scrollbar { display: none; }
.cso-anchor a { position: relative; flex: 0 0 auto; padding: 15px 0 13px; color: #62736d; font-size: 13px; font-weight: 700; text-decoration: none; }
.cso-anchor a::after { position: absolute; right: 0; bottom: -1px; left: 0; height: 2px; content: ""; background: var(--cso-orange); transform: scaleX(0); transition: transform .2s ease; }
.cso-anchor a:hover,
.cso-anchor a.is-active { color: var(--cso-ink); }
.cso-anchor a.is-active::after { transform: scaleX(1); }

.cso-section { position: relative; padding: 92px 0; }
.cso-section--paper { background: var(--cso-paper); }
.cso-section--night { background: var(--cso-night); color: #fff; }
.cso-section--night .cso-heading > p,
.cso-section--night .cso-copy,
.cso-section--night .cso-lead { color: rgba(255,255,255,.66); }
.cso-heading { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); align-items: end; gap: 68px; margin-bottom: 42px; }
.cso-heading h2 { margin-bottom: 0; font-size: clamp(30px, 3vw, 44px); line-height: 1.15; }
.cso-heading > p { margin: 0; color: var(--cso-muted); font-size: 14px; }
.cso-lead { color: var(--cso-muted); font-size: 16px; }

.cso-role-field { display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--cso-line); border-bottom: 1px solid var(--cso-line); }
.cso-role-field article { grid-column: span 2; min-width: 0; padding: 28px 20px 26px; border-left: 1px solid var(--cso-line); }
.cso-role-field article:first-child { padding-left: 0; border-left: 0; }
.cso-role-field article:nth-child(4),
.cso-role-field article:nth-child(5) { grid-column: span 3; border-top: 1px solid var(--cso-line); }
.cso-role-field article:nth-child(4) { padding-left: 0; border-left: 0; }
.cso-role-field span { color: var(--cso-green-2); font-size: 11px; font-weight: 800; }
.cso-role-field h3 { margin: 11px 0 8px; font-size: 18px; line-height: 1.25; }
.cso-role-field p { margin: 0; color: var(--cso-muted); font-size: 13px; }
.cso-pain-rail { display: grid; grid-template-columns: 1.55fr .9fr .9fr; gap: 1px; margin-top: 28px; background: var(--cso-line); }
.cso-pain-rail article { padding: 26px; background: #fff; }
.cso-pain-rail strong { display: block; font-size: 18px; }
.cso-pain-rail p { margin: 9px 0 0; color: var(--cso-muted); font-size: 13px; }

.cso-wide-scene,
.cso-scene { position: relative; margin: 0; overflow: hidden; background: #dfe7e3; box-shadow: var(--cso-shadow); }
.cso-wide-scene { border-radius: 18px; }
.cso-scene { border-radius: 16px; }
.cso-wide-scene img,
.cso-scene img { display: block; width: 100%; height: auto; }
.cso-wide-scene figcaption,
.cso-scene figcaption { position: absolute; right: 0; bottom: 0; left: 0; display: flex; justify-content: space-between; gap: 20px; padding: 16px 20px; color: #fff; background: linear-gradient(0deg, rgba(3,25,20,.92), rgba(3,25,20,.08)); }
.cso-wide-scene figcaption strong,
.cso-wide-scene figcaption span,
.cso-scene figcaption strong,
.cso-scene figcaption span { align-self: end; font-size: 12px; }
.cso-wide-scene figcaption span,
.cso-scene figcaption span { color: rgba(255,255,255,.72); }

.cso-workflow { display: grid; grid-template-columns: repeat(4, 1fr); margin: 32px 0 0; padding: 0; border-top: 1px solid rgba(255,255,255,.19); border-bottom: 1px solid rgba(255,255,255,.19); list-style: none; }
.cso-workflow li { min-width: 0; padding: 24px 20px; border-left: 1px solid rgba(255,255,255,.14); }
.cso-workflow li:nth-child(4n+1) { border-left: 0; }
.cso-workflow li:nth-child(n+5) { border-top: 1px solid rgba(255,255,255,.14); }
.cso-workflow span { color: #67d4ac; font-size: 10px; font-weight: 800; letter-spacing: .08em; }
.cso-workflow h3 { margin: 9px 0 7px; font-size: 17px; }
.cso-workflow p { margin: 0; color: rgba(255,255,255,.6); font-size: 12px; }

.cso-story { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(360px, .85fr); align-items: center; gap: 68px; }
.cso-story--reverse { grid-template-columns: minmax(360px, .85fr) minmax(0, 1.15fr); }
.cso-story--reverse > :first-child { order: 2; transform: translateY(24px); }
.cso-story--reverse > :last-child { order: 1; }
.cso-story__copy h2 { margin-bottom: 18px; font-size: clamp(27px, 2.45vw, 38px); }
.cso-story__copy > p { color: var(--cso-muted); }
.cso-feature-lines { margin-top: 26px; border-top: 1px solid var(--cso-line); }
.cso-feature-lines article { display: grid; grid-template-columns: 42px 1fr; gap: 16px; padding: 17px 0; border-bottom: 1px solid var(--cso-line); }
.cso-feature-lines span { padding-top: 3px; color: var(--cso-orange); font-size: 11px; font-weight: 800; }
.cso-feature-lines h3 { margin: 0 0 5px; font-size: 17px; }
.cso-feature-lines p { margin: 0; color: var(--cso-muted); font-size: 12px; }

.cso-switches { display: inline-flex; max-width: 100%; margin: 16px 0 14px; padding: 4px; gap: 4px; border: 1px solid var(--cso-line); border-radius: 10px; background: #fff; overflow-x: auto; }
.cso-switches button { flex: 0 0 auto; min-height: 37px; padding: 0 14px; border: 0; border-radius: 7px; color: var(--cso-muted); background: transparent; font: inherit; font-size: 12px; font-weight: 750; cursor: pointer; }
.cso-switches button:hover,
.cso-switches button.is-active { color: #fff; background: var(--cso-green); }
.cso-output { min-height: 84px; margin: 0; padding: 17px 18px; border-left: 3px solid var(--cso-orange); color: var(--cso-ink); background: #eef5f1; font-size: 13px; }

.cso-metric-band { display: grid; grid-template-columns: 1.35fr repeat(3, 1fr); margin-top: 36px; border-top: 1px solid var(--cso-line); border-bottom: 1px solid var(--cso-line); }
.cso-metric-band article { padding: 24px 22px; border-left: 1px solid var(--cso-line); }
.cso-metric-band article:first-child { padding-left: 0; border-left: 0; }
.cso-metric-band strong,
.cso-metric-band span { display: block; }
.cso-metric-band strong { font-size: 17px; }
.cso-metric-band span { margin-top: 7px; color: var(--cso-muted); font-size: 12px; line-height: 1.6; }

.cso-twin { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.cso-twin .cso-scene:first-child { transform: translateY(26px); }
.cso-reconcile-ui { min-height: 100%; padding: 28px; border: 1px solid #d8e4de; border-radius: 16px; background: #fff; box-shadow: var(--cso-shadow); }
.cso-reconcile-ui__head { display: flex; align-items: start; justify-content: space-between; gap: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--cso-line); }
.cso-reconcile-ui__head span,
.cso-reconcile-ui__head strong { display: block; }
.cso-reconcile-ui__head span { color: var(--cso-green-2); font-size: 12px; font-weight: 800; letter-spacing: .06em; }
.cso-reconcile-ui__head strong { margin-top: 7px; font-size: 17px; }
.cso-reconcile-ui__head b { padding: 7px 10px; border-radius: 999px; color: #9a4d20; background: #fff0e6; font-size: 12px; }
.cso-reconcile-ui__totals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 22px 0; background: var(--cso-line); }
.cso-reconcile-ui__totals article { padding: 16px 12px; background: #f6f9f7; }
.cso-reconcile-ui__totals span,
.cso-reconcile-ui__totals strong,
.cso-reconcile-ui__totals small { display: block; }
.cso-reconcile-ui__totals span { color: var(--cso-muted); font-size: 12px; }
.cso-reconcile-ui__totals strong { margin-top: 7px; font-size: 17px; }
.cso-reconcile-ui__totals small { margin-top: 4px; color: #70817b; font-size: 12px; }
.cso-reconcile-ui__rows { border-top: 1px solid var(--cso-line); }
.cso-reconcile-ui__rows > div { display: grid; grid-template-columns: 1fr auto 80px; align-items: center; gap: 14px; padding: 15px 0; border-bottom: 1px solid var(--cso-line); font-size: 13px; }
.cso-reconcile-ui__rows i { color: var(--cso-green-2); font-style: normal; text-align: right; }
.cso-reconcile-ui__rows i.is-warn { color: var(--cso-orange); }
.cso-reconcile-ui > p { margin: 18px 0 0; color: var(--cso-muted); font-size: 13px; }
.cso-twin-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; margin-top: 66px; }
.cso-twin-copy h3 { margin: 0 0 10px; font-size: 21px; }
.cso-twin-copy p { margin: 0; color: var(--cso-muted); font-size: 13px; }

.cso-console-rails { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 30px; border-top: 1px solid rgba(255,255,255,.18); border-bottom: 1px solid rgba(255,255,255,.18); }
.cso-console-rails article { min-width: 0; padding: 24px 20px; border-left: 1px solid rgba(255,255,255,.14); }
.cso-console-rails article:first-child { border-left: 0; }
.cso-console-rails strong,
.cso-console-rails span { display: block; }
.cso-console-rails span { margin-top: 8px; color: rgba(255,255,255,.57); font-size: 12px; line-height: 1.65; }

.cso-scenario-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(320px, .65fr); gap: 46px; align-items: start; }
.cso-scenario-list { border-top: 1px solid var(--cso-line); }
.cso-scenario-list article { padding: 20px 0; border-bottom: 1px solid var(--cso-line); }
.cso-scenario-list span { color: var(--cso-green-2); font-size: 11px; font-weight: 800; }
.cso-scenario-list h3 { margin: 6px 0 7px; font-size: 18px; }
.cso-scenario-list p { margin: 0; color: var(--cso-muted); font-size: 12px; }
.cso-boundary { display: grid; grid-template-columns: .85fr 1.15fr; gap: 58px; margin-top: 72px; padding: 40px; color: #fff; background: var(--cso-night); }
.cso-boundary h2 { margin-bottom: 12px; font-size: 28px; }
.cso-boundary p,
.cso-boundary li { color: rgba(255,255,255,.66); font-size: 13px; }
.cso-boundary ul { margin: 0; padding-left: 20px; }
.cso-boundary li + li { margin-top: 10px; }
.cso-faq { margin-top: 42px; border-top: 1px solid var(--cso-line); }
.cso-faq details { border-bottom: 1px solid var(--cso-line); }
.cso-faq summary { padding: 20px 0; font-size: 16px; font-weight: 760; cursor: pointer; }
.cso-faq details p { margin: -7px 0 20px; max-width: 880px; color: var(--cso-muted); font-size: 13px; }

.cso-contact { padding: 70px 0; color: #fff; background: linear-gradient(120deg, #0b6b50, #07503e); }
.cso-contact__inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 40px; }
.cso-contact h2 { margin-bottom: 10px; font-size: clamp(28px, 3vw, 42px); }
.cso-contact p { margin: 0; color: rgba(255,255,255,.72); }
.cso-contact__actions { display: flex; gap: 10px; }

.cso-reveal { opacity: 1; transform: none; transition: opacity .65s ease, transform .65s ease; }
.cso-reveal.is-reveal-pending { opacity: 0; transform: translateY(18px); }
.cso-reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1080px) {
  :root { --cso-shell: min(100% - 40px, 920px); }
  .cso-heading { grid-template-columns: 1fr; gap: 14px; }
  .cso-role-field { grid-template-columns: repeat(3, 1fr); }
  .cso-role-field article,
  .cso-role-field article:nth-child(4),
  .cso-role-field article:nth-child(5) { grid-column: auto; }
  .cso-role-field article:nth-child(4) { padding-left: 0; border-left: 0; border-top: 1px solid var(--cso-line); }
  .cso-role-field article:nth-child(n+4) { border-top: 1px solid var(--cso-line); }
  .cso-story,
  .cso-story--reverse { grid-template-columns: 1fr; gap: 38px; }
  .cso-story--reverse > :first-child,
  .cso-story--reverse > :last-child { order: initial; transform: none; }
  .cso-scenario-layout { grid-template-columns: 1fr; }
  .cso-scenario-list { display: grid; grid-template-columns: 1fr 1fr; }
  .cso-scenario-list article:nth-child(odd) { padding-right: 20px; }
  .cso-scenario-list article:nth-child(even) { padding-left: 20px; border-left: 1px solid var(--cso-line); }
  .cso-boundary { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 1260px) {
  body.xb-shell-ready:not(.xb-shell-embedded) .cso-anchor { display: block; }
}

@media (max-width: 820px) {
  .cso-hero { display: flex; height: auto; min-height: 0; flex-direction: column; background: var(--cso-night); }
  .cso-hero::after { display: none; }
  .cso-hero__inner { order: 1; width: 100%; height: auto; }
  .cso-hero__copy { width: 100%; padding: 52px 0 42px; }
  .cso-hero__media { position: relative; inset: auto; order: 2; z-index: 0; width: 100%; height: auto; aspect-ratio: 16 / 9; }
  .cso-hero__media img { object-fit: contain; object-position: center; }
  .cso-role-field { grid-template-columns: 1fr 1fr; }
  .cso-role-field article,
  .cso-role-field article:nth-child(4),
  .cso-role-field article:nth-child(5) { grid-column: auto; border-top: 1px solid var(--cso-line); }
  .cso-role-field article:nth-child(odd) { padding-left: 0; border-left: 0; }
  .cso-role-field article:first-child,
  .cso-role-field article:nth-child(2) { border-top: 0; }
  .cso-workflow { grid-template-columns: repeat(2, 1fr); }
  .cso-workflow li:nth-child(odd) { border-left: 0; }
  .cso-workflow li:nth-child(even) { border-left: 1px solid rgba(255,255,255,.14); }
  .cso-workflow li:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.14); }
  .cso-twin,
  .cso-twin-copy { grid-template-columns: 1fr; }
  .cso-twin .cso-scene:first-child { transform: none; }
  .cso-reconcile-ui { min-height: 520px; }
  .cso-twin-copy { margin-top: 38px; gap: 28px; }
  .cso-console-rails { grid-template-columns: 1fr 1fr; }
  .cso-console-rails article:nth-child(odd) { border-left: 0; }
  .cso-console-rails article:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.14); }
  .cso-contact__inner { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  :root { --cso-shell: calc(100% - 28px); }
  .cso-section { padding: 66px 0; }
  .cso-heading { margin-bottom: 30px; }
  .cso-hero__copy { padding: 42px 0 34px; }
  .cso-hero h1 { font-size: 38px; }
  .cso-hero__claim { font-size: 20px; }
  .cso-proof { grid-template-columns: 1fr; }
  .cso-proof li { padding: 12px 0; }
  .cso-proof li + li { padding-left: 0; border-top: 1px solid rgba(255,255,255,.13); border-left: 0; }
  .cso-anchor__scroll { justify-content: flex-start; gap: 24px; }
  .cso-role-field { grid-template-columns: 1fr; }
  .cso-role-field article,
  .cso-role-field article:first-child,
  .cso-role-field article:nth-child(4),
  .cso-role-field article:nth-child(5) { grid-column: auto; padding: 19px 0; border-top: 1px solid var(--cso-line); border-left: 0; }
  .cso-role-field article:first-child { border-top: 0; }
  .cso-workflow { grid-template-columns: 1fr; }
  .cso-workflow li,
  .cso-workflow li:nth-child(odd),
  .cso-workflow li:nth-child(even) { border-top: 1px solid rgba(255,255,255,.14); border-left: 0; }
  .cso-workflow li:first-child { border-top: 0; }
  .cso-pain-rail,
  .cso-metric-band { grid-template-columns: 1fr; }
  .cso-pain-rail article { padding: 20px 0; }
  .cso-metric-band article,
  .cso-metric-band article:first-child { padding: 18px 0; border-top: 1px solid var(--cso-line); border-left: 0; }
  .cso-wide-scene,
  .cso-scene { border-radius: 10px; }
  .cso-wide-scene figcaption,
  .cso-scene figcaption { padding: 12px 14px; }
  .cso-wide-scene figcaption span,
  .cso-scene figcaption span { display: none; }
  .cso-reconcile-ui { min-height: 0; padding: 20px 14px; }
  .cso-reconcile-ui__totals { grid-template-columns: 1fr; }
  .cso-reconcile-ui__rows > div { grid-template-columns: 1fr auto; }
  .cso-reconcile-ui__rows i { grid-column: 2; }
  .cso-feature-lines article { grid-template-columns: 34px 1fr; }
  .cso-scenario-list { grid-template-columns: 1fr; }
  .cso-scenario-list article:nth-child(odd),
  .cso-scenario-list article:nth-child(even) { padding-right: 0; padding-left: 0; border-left: 0; }
  .cso-boundary { grid-template-columns: 1fr; gap: 22px; margin-top: 48px; padding: 28px 20px; }
  .cso-contact__actions { flex-direction: column; align-items: stretch; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cso-reveal,
  .cso-reveal.is-reveal-pending { opacity: 1; transform: none; transition: none; }
  .cso-button { transition: none; }
}