.ai4u-sub .b2-page{padding:32px 0;margin:0;color:var(--ink);scroll-margin-top:100px}
.b2-page .b2-inner{width:min(calc(100% - 48px),1120px);margin:0 auto;min-width:0}
.b2-page .b2-eyebrow{margin:0 0 16px;font-size:12px;font-weight:800;letter-spacing:.14em;color:#3154bb}
.b2-page .b2-title{font-size:clamp(40px,4.4vw,66px);line-height:1.18;letter-spacing:-.055em;margin:0 0 28px}
.b2-page .b2-heading{font-size:clamp(28px,3vw,44px);line-height:1.35;letter-spacing:-.055em;margin:0;max-width:900px}
.b2-page .b2-lead{margin:22px 0 14px;color:#35476c;font-weight:600}.b2-page .b2-body{margin:0;color:#435474;max-width:900px}
.ai4u-sub .b2-bg-wash{background:var(--wash)}
.b2-page .b2-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:48px;align-items:center}.b2-page .b2-copy,.b2-page .b2-diagram{min-width:0}
.b2-page :is(ul,ol){list-style:none;padding:0;margin:32px 0 0}.b2-page li{margin:0;line-height:1.8;font-size:16px;min-width:0}
.b2-page .b2-architecture{position:relative;background:var(--wash);padding:0 0 0 40px;border:1px solid #c8d5f4}
.b2-page .b2-connector{position:absolute;inset:0;width:100%;height:100%;color:var(--blue);pointer-events:none}
.b2-page .b2-architecture-list{position:relative;margin:0;padding:22px 24px 22px 16px}.b2-architecture-list li{padding:22px 0}.b2-architecture-list li+li{border-top:1px solid #c8d5f4}
.b2-page .b2-table{margin:32px 0 0}.b2-page .b2-table th{width:28%;font-size:17px;background:var(--wash);color:var(--ink)}.b2-page .b2-table td{font-size:17px;line-height:1.8}.b2-table figcaption{color:#435474;margin-top:14px}
.b2-page .b2-connections{margin:0;border-top:2px solid var(--blue);padding-top:24px}.b2-connections li+li{margin-top:28px}
.b2-page .b2-permissions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.b2-permissions li{padding:20px 0;border-top:2px solid #a9b8f3}
.b2-page .b2-lanes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;counter-reset:lane}
.b2-lanes li{counter-increment:lane;padding:24px 0;border-top:2px solid #a9b8f3;border-bottom:1px solid #d2dff5;transition:border-color .6s ease}
.b2-lanes li:before{content:counter(lane,decimal-leading-zero);display:block;margin-bottom:14px;color:var(--blue);font-size:15px;font-weight:800}
.b2-page .b2-environments{margin:0;border-left:2px solid var(--blue);padding-left:24px}.b2-environments li+li{margin-top:26px}
.b2-page .b2-reviews{margin-top:32px}.b2-page .b2-review{border-top:1px solid #aabce4;margin:0;padding:18px 0}.b2-review summary{cursor:pointer;font-size:17px;line-height:1.8}.b2-page .b2-review-copy{font-size:16px;margin:18px 0 0}
.b2-page .b2-tabs{margin:32px 0 24px;gap:16px;display:flex;flex-wrap:wrap}.b2-page .b2-tab .wp-block-button__link{border:1px solid #94a8dd;background:#fff;color:#2448ac;border-radius:7px;font-size:16px;padding:12px 20px;min-height:48px}.b2-page .b2-tab [aria-selected="true"]{background:var(--blue);color:#fff;border-color:var(--blue)}
.b2-page .b2-hand{border-left:3px solid #a9b8f3;padding:16px 20px;margin:0 0 18px}.b2-page .b2-hand-copy{margin:0}.b2-page .b2-hand[hidden]{display:none}
.b2-page .b2-final{display:flex;gap:28px;flex-wrap:wrap}.b2-page .b2-actions{margin-top:28px}.b2-page a:not(.wp-block-button__link){color:#2448c2;text-decoration:underline;text-underline-offset:4px}.b2-page :is(a,summary):focus-visible{outline:3px solid #778fea;outline-offset:5px}
.b2-page.b2-active .b2-lanes li{border-color:var(--blue)}.b2-page .reveal{animation:b2-entry .6s ease-out both}
@keyframes b2-entry{from{transform:translateY(12px);opacity:.85}to{transform:none;opacity:1}}
@media(max-width:900px){.b2-page .b2-layout{grid-template-columns:1fr;gap:32px}}
@media(max-width:580px){.ai4u-sub .b2-page{padding:24px 0}.b2-page .b2-inner{width:calc(100% - 40px)}.b2-page :is(.b2-permissions,.b2-lanes){grid-template-columns:1fr;gap:24px}.b2-page li{font-size:15px}.b2-page .b2-architecture{padding-left:20px}.b2-page .b2-architecture-list{padding:12px 20px}.b2-page .b2-final{display:block}.b2-final li+li{margin-top:18px}.b2-page .b2-table :is(th,td){font-size:15px;padding:16px 12px}.b2-page .b2-table th{width:30%}}
@media(prefers-reduced-motion:reduce){.b2-page .reveal{animation:none}.b2-lanes li{transition:none}}

.b2-page .b2-editorial{border-left:3px solid var(--blue);padding:24px 28px;background:#fff}.b2-editorial .b2-intro{margin:0}.b2-intro li+li{margin-top:28px}.b2-page .b2-role-notes{margin-top:32px;display:grid;gap:28px}.b2-role-note{border-left:2px solid #a9b8f3;padding-left:28px}.b2-page .b2-role-copy{margin:0;font-size:20px;line-height:1.8}.b2-page .b2-checklist{display:grid;gap:24px}.b2-checklist li{position:relative;padding-left:32px}.b2-checklist li:before{content:"";position:absolute;left:0;top:7px;width:14px;height:14px;border:2px solid #a9b8f3}.b2-page .b2-case-note{margin-top:32px;border-left:3px solid var(--blue);padding:24px 28px;background:#fff}.b2-case-note .b2-case-items{margin:0}.b2-case-items li+li{margin-top:24px}.b2-page .b2-timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}.b2-timeline li{border-top:2px solid #a9b8f3;padding-top:24px}.b2-page .b2-connections{border-color:#a9b8f3;transition:border-color .6s ease}.b2-page.b2-active .b2-connections{border-color:var(--blue)}.b2-page .b2-lanes li:before{display:none}@media(max-width:900px){.b2-page .b2-timeline{grid-template-columns:1fr;gap:28px}}@media(prefers-reduced-motion:reduce){.b2-page .b2-connections{transition:none}}

.b2-page .b2-timeline{display:block;border-left:2px solid #a9b8f3;padding-left:28px}.b2-timeline li{border:0;padding:12px 0}.b2-page.b2-active .b2-editorial{border-color:var(--blue)}.b2-page .b2-editorial{border-color:#a9b8f3;transition:border-color .6s ease}.b2-page .b2-hand:last-child{margin-bottom:0}