.ai4u-sub .o3-page{padding:32px 0;margin:0;color:var(--ink);scroll-margin-top:100px}
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.o3-page .o3-eyebrow{margin:0 0 16px;font-size:12px;font-weight:800;letter-spacing:.14em;color:#3154bb}
.o3-page .o3-title{font-size:clamp(40px,4.4vw,66px);line-height:1.18;letter-spacing:-.055em;margin:0 0 28px}
.o3-page .o3-heading{font-size:clamp(28px,3vw,44px);line-height:1.35;letter-spacing:-.055em;margin:0;max-width:900px}
.o3-page .o3-lead{margin:22px 0 14px;color:#35476c;font-weight:600}.o3-page .o3-body{margin:0;color:#435474;max-width:900px}
.ai4u-sub .o3-bg-wash{background:var(--wash)}
.o3-page .o3-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:48px;align-items:center}.o3-page .o3-copy,.o3-page .o3-diagram{min-width:0}
.o3-page :is(ul,ol){list-style:none;padding:0;margin:32px 0 0}.o3-page li{margin:0;line-height:1.8;font-size:16px;min-width:0}
.o3-page .o3-architecture{position:relative;background:var(--wash);padding:0 0 0 40px;border:1px solid #c8d5f4}
.o3-page .o3-connector{position:absolute;inset:0;width:100%;height:100%;color:var(--blue);pointer-events:none}
.o3-page .o3-architecture-list{position:relative;margin:0;padding:22px 24px 22px 16px}.o3-architecture-list li{padding:22px 0}.o3-architecture-list li+li{border-top:1px solid #c8d5f4}
.o3-page .o3-table{margin:32px 0 0}.o3-page .o3-table th{width:28%;font-size:17px;background:var(--wash);color:var(--ink)}.o3-page .o3-table td{font-size:17px;line-height:1.8}.o3-table figcaption{color:#435474;margin-top:14px}
.o3-page .o3-connections{margin:0;border-top:2px solid var(--blue);padding-top:24px}.o3-connections li+li{margin-top:28px}
.o3-page .o3-permissions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.o3-permissions li{padding:20px 0;border-top:2px solid #a9b8f3}
.o3-page .o3-lanes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;counter-reset:lane}
.o3-lanes li{counter-increment:lane;padding:24px 0;border-top:2px solid #a9b8f3;border-bottom:1px solid #d2dff5;transition:border-color .6s ease}
.o3-lanes li:before{content:counter(lane,decimal-leading-zero);display:block;margin-bottom:14px;color:var(--blue);font-size:15px;font-weight:800}
.o3-page .o3-environments{margin:0;border-left:2px solid var(--blue);padding-left:24px}.o3-environments li+li{margin-top:26px}
.o3-page .o3-reviews{margin-top:32px}.o3-page .o3-review{border-top:1px solid #aabce4;margin:0;padding:18px 0}.o3-review summary{cursor:pointer;font-size:17px;line-height:1.8}.o3-page .o3-review-copy{font-size:16px;margin:18px 0 0}
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.o3-page .o3-hand{border-left:3px solid #a9b8f3;padding:16px 20px;margin:0 0 18px}.o3-page .o3-hand-copy{margin:0}.o3-page .o3-hand[hidden]{display:none}
.o3-page .o3-final{display:flex;gap:28px;flex-wrap:wrap}.o3-page .o3-actions{margin-top:28px}.o3-page a:not(.wp-block-button__link){color:#2448c2;text-decoration:underline;text-underline-offset:4px}.o3-page :is(a,summary):focus-visible{outline:3px solid #778fea;outline-offset:5px}
.o3-page.o3-active .o3-lanes li{border-color:var(--blue)}.o3-page .reveal{animation:o3-entry .6s ease-out both}
@keyframes o3-entry{from{transform:translateY(12px);opacity:.85}to{transform:none;opacity:1}}
@media(max-width:900px){.o3-page .o3-layout{grid-template-columns:1fr;gap:32px}}
@media(max-width:580px){.ai4u-sub .o3-page{padding:24px 0}.o3-page .o3-inner{width:calc(100% - 40px)}.o3-page :is(.o3-permissions,.o3-lanes){grid-template-columns:1fr;gap:24px}.o3-page li{font-size:15px}.o3-page .o3-architecture{padding-left:20px}.o3-page .o3-architecture-list{padding:12px 20px}.o3-page .o3-final{display:block}.o3-final li+li{margin-top:18px}.o3-page .o3-table :is(th,td){font-size:15px;padding:16px 12px}.o3-page .o3-table th{width:30%}}
@media(prefers-reduced-motion:reduce){.o3-page .reveal{animation:none}.o3-lanes li{transition:none}}

.o3-page .o3-example{margin:0;padding:16px 24px 0;color:#3154bb;font-size:13px;font-weight:700}.o3-page .o3-map{margin-top:32px;border:1px solid #c8d5f4;background:var(--wash)}.o3-page .o3-map-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;padding:24px;margin:0}.o3-page .o3-map-list li{border-top:2px solid var(--blue);padding-top:24px}.o3-page .o3-caption{margin:0;padding:0 24px 24px;font-size:15px;color:#435474}.o3-page .o3-timeline{border-left:2px solid var(--blue);padding-left:28px}.o3-timeline li+li{margin-top:28px}.o3-page .o3-process{display:flex;gap:32px;counter-reset:step}.o3-process li{flex:1;border-top:2px solid var(--blue);padding-top:24px;counter-increment:step}.o3-process li:before{content:counter(step,decimal-leading-zero);display:block;color:var(--blue);font-weight:800;margin-bottom:16px}@media(max-width:900px){.o3-page .o3-map-list{grid-template-columns:1fr}.o3-page .o3-process{flex-direction:column}}

.o3-page .o3-architecture{padding:0 28px 28px}.o3-page .o3-architecture .o3-example{padding:20px 0 0}.o3-page .o3-timeline{margin-top:24px}.o3-page .o3-network{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;position:relative}.o3-network li{position:relative;background:var(--white,#fff);border:1px solid #bccbf0;padding:24px}.o3-network li+li:before{content:"";position:absolute;left:-41px;top:50%;width:40px;border-top:2px solid var(--blue)}.o3-page .o3-questions{margin-top:32px;display:grid;grid-template-columns:minmax(0,1fr);gap:28px}.o3-question{display:grid;grid-template-columns:180px minmax(0,1fr);gap:28px;border-top:1px solid #bccbf0;padding-top:24px}.o3-page .o3-question-label{margin:0;font-weight:700;color:#2448ac}.o3-page .o3-question-body{margin:0}.o3-page.o3-active .o3-table{border-left:3px solid var(--blue);transition:border-color .6s ease}@media(max-width:900px){.o3-page .o3-network{grid-template-columns:1fr;gap:28px}.o3-network li+li:before{left:50%;top:-29px;width:0;height:28px;border-top:0;border-left:2px solid var(--blue)}}@media(max-width:580px){.o3-question{grid-template-columns:1fr;gap:24px}.o3-page .o3-architecture{padding:0 24px 24px}}@media(prefers-reduced-motion:reduce){.o3-page.o3-active .o3-table{transition:none}}

.ai4u-sub .o3-bg-deep{background:var(--deep,#071633);color:#fff}.o3-bg-deep .o3-eyebrow{color:#a9bfff}.o3-bg-deep :is(.o3-lead,.o3-body,.o3-role-copy){color:#d9e3f8}.o3-page .o3-stack{counter-reset:layer;display:flex;flex-direction:column;gap:28px}.o3-stack li{padding:24px;border:1px solid #c8d5f4;background:var(--wash);counter-increment:layer}.o3-stack li:before{content:counter(layer,decimal-leading-zero);display:inline-block;color:var(--blue);font-weight:800;margin-right:24px}.o3-page .o3-role-notes{margin-top:32px;display:grid;gap:28px}.o3-role-note{border-left:3px solid #a9bfff;padding-left:28px}.o3-page .o3-role-copy{margin:0;font-size:20px;line-height:1.8}.o3-page .o3-before-after{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:24px}.o3-before-after>div{padding:24px;border-top:3px solid #a9b8f3;background:var(--wash);transition:border-color .6s ease}.o3-page.o3-active .o3-before-after>div{border-color:var(--blue)}.o3-page .o3-small-heading{font-size:24px;line-height:1.4;margin:0 0 24px}.o3-page .o3-report-copy{margin:0}.o3-report-copy+.o3-report-copy{margin-top:24px}.o3-page .o3-caption{padding:0;margin-top:24px}@media(max-width:900px){.o3-page .o3-before-after{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.o3-before-after>div{transition:none}}

/* Keep existing section patterns while pairing copy with explanatory images. */
.o3-page .wp-block-image{margin:28px 0;min-width:0}
.o3-page .wp-block-image img{display:block;width:100%;height:auto;border-radius:8px}
.o3-page .wp-block-image figcaption{margin:12px 0 0;font-size:14px;line-height:1.7;color:#435474;text-align:left}
.o3-page .ai4u-media-feature{max-width:720px;margin:32px auto}
.o3-page .o3-diagram>.wp-block-image{margin-top:0}
.o3-page :is(ul,ol).ai4u-card-grid,.o3-page :is(ul,ol).ai4u-step-grid,.o3-page .o3-questions.ai4u-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:28px 0 0;padding:0;border:0}
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.o3-page li.ai4u-card strong{display:block;margin-bottom:10px;color:var(--ink)}
.o3-page .ai4u-step-card::before{margin-bottom:12px}
.o3-page .o3-layout :is(.ai4u-card-grid,.ai4u-step-grid){grid-template-columns:1fr}
.o3-page .o3-question.ai4u-card{display:block}
.o3-page .o3-question-body{margin-top:12px}
.o3-page .o3-review.ai4u-card{margin-top:16px}
.o3-page .o3-before-after.ai4u-compare{gap:24px}
.o3-page.o3-bg-deep :is(.ai4u-card,.ai4u-step-card){background:#152750;border-color:#415b8d;color:#fff}
.o3-page.o3-bg-deep li.ai4u-card strong{color:#fff}
.o3-page.o3-bg-deep .ai4u-quote-card{background:#152750;border-color:#415b8d}
.o3-page.o3-bg-deep .wp-block-image figcaption{color:#d9e3f8}
@media(max-width:1023px){.o3-page :is(ul,ol).ai4u-card-grid,.o3-page :is(ul,ol).ai4u-step-grid,.o3-page .o3-questions.ai4u-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:767px){.o3-page :is(ul,ol).ai4u-card-grid,.o3-page :is(ul,ol).ai4u-step-grid,.o3-page .o3-questions.ai4u-card-grid{grid-template-columns:1fr}.o3-page .ai4u-media-feature{margin:24px 0}.o3-page :is(.ai4u-card,.ai4u-step-card){padding:20px}}

.o3-page .o3-report-point{margin-top:20px;padding-top:20px;border-top:1px solid #c8d5f4}