/* Phase E3 / R1.1D: About brand-trust page aligned with Home design system. */
.about-e3-main{padding-top:68px;background:#fff;color:#526170}
.about-e3-main :is(h1,h2,h3,p,ol,ul){margin-top:0}
.about-e3-main :is(h1,h2,h3){color:#142033}
.about-e3-scope{margin:0;color:#718096;font-size:13px;line-height:1.7}

/* Major Section H2 Authority */
.about-e3-main h2{margin:12px 0 0;color:var(--aigosea-ds-ink,#142033);font-size:24px;line-height:1.35;font-weight:600;letter-spacing:-.01em;text-wrap:balance;max-width:820px}
@media (min-width:768px){.about-e3-main h2{font-size:26px}}
@media (min-width:1200px){.about-e3-main h2{font-size:28px;line-height:1.3}}

/* Section Vertical Spacing (aligned with Home clamp(48px, 5vw, 72px)) */
:is(.about-e3-problem,.about-e3-principles,.about-e3-perspective,.about-e3-model-section,.about-e3-families,.about-e3-team,.about-e3-audience){padding-block:clamp(48px,5vw,72px)}

/* Zone 1: Hero (Home H1 Authority + Decision Spine) */
.about-e3-hero{padding:clamp(56px,6vw,80px) 0;border-bottom:1px solid #E5EAED;background:#fff}
.about-e3-hero-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);gap:clamp(36px,5vw,64px);align-items:center}
.about-e3-hero-copy{display:grid;gap:16px}
.about-e3-hero h1{margin:0;color:var(--aigosea-ds-ink,#142033);font-size:var(--aigosea-ds-inner-title-size);line-height:var(--aigosea-ds-inner-title-leading);font-weight:600;letter-spacing:-.01em;text-wrap:balance}
.about-e3-lead{margin:0;color:#536275;font-size:16.5px;line-height:1.75}

.about-e3-hero-model{display:flex;justify-content:flex-end}
.about-e3-diagram-card{width:100%;max-width:390px;background:#FAFCFB;border:1px solid #E8ECEF;border-radius:12px;padding:20px 22px;display:grid;gap:12px}
.about-e3-diagram-track{display:grid;gap:0}
.about-e3-diagram-node{display:flex;align-items:center;gap:12px;padding:7px 11px;border-radius:8px;background:#fff;border:1px solid #EDF2F4}
.about-e3-node--evidence,.about-e3-node--context{background:#FAFCFB;border-color:#EEF2F6}
.about-e3-node--ai{border-color:#BEE3D5;background:#F4FAF7}
.about-e3-node--team{border:2px solid #142033;background:#142033;color:#fff}
.about-e3-node--team .about-e3-node-body strong{color:#fff}
.about-e3-node--team .about-e3-node-body small{color:#CBD5E1}
.about-e3-node--action{border:1.5px solid #087A55;background:#fff}
.about-e3-diagram-connector{width:2px;height:9px;background:#CBD7D7;margin-left:20px}
.about-e3-node-marker{font-size:11px;font-weight:700;color:#94A3B8;width:18px;text-align:center;flex-shrink:0}
.about-e3-node-tag{font-size:10px;font-weight:700;padding:2px 6px;border-radius:4px;background:#087A55;color:#fff;flex-shrink:0}
.about-e3-tag--navy{background:#fff;color:#142033}
.about-e3-tag--green{background:#087A55;color:#fff}
.about-e3-node-body{display:grid;gap:2px}
.about-e3-node-body strong{font-size:13px;color:#172338;line-height:1.35}
.about-e3-node-body small{font-size:11px;color:#64748B;line-height:1.3}

/* Zone 2: Connect the Context (Subordinate Fragments -> Primary Context Hub) */
.about-e3-editorial{display:grid;gap:14px}
.about-e3-copy{max-width:820px}
.about-e3-copy>p{margin:16px 0 0;color:#536275;font-size:16px;line-height:1.8}
.about-e3-bridge{display:grid;grid-template-columns:minmax(0,1fr) minmax(200px,.8fr) minmax(0,1.15fr);gap:18px;align-items:center;margin-top:32px}
.about-e3-bridge-col{display:flex;flex-direction:column;gap:12px}
.about-e3-bridge-col-kicker{font-size:11.5px;font-weight:600;color:#64748B;letter-spacing:.04em;text-transform:uppercase}
.about-e3-fragment-stack{display:grid;gap:8px}
.about-e3-fragment{display:flex;align-items:center;gap:10px;font-size:12.5px;color:#475569;padding:7px 11px;background:#FAFCFC;border:1px solid #EDF2F4;border-radius:6px}
.about-e3-fragment-bullet{width:5px;height:5px;border-radius:50%;background:#94A3B8;flex-shrink:0}
.about-e3-bridge-nexus{display:flex;align-items:center;justify-content:center}
.about-e3-nexus-node{background:#F0FDF4;border:1.5px solid #087A55;border-radius:12px;padding:22px 18px;text-align:center;width:100%;box-shadow:0 4px 18px rgba(8,122,85,.08);display:flex;flex-direction:column;align-items:center;gap:6px}
.about-e3-nexus-brand{font-size:11px;font-weight:700;letter-spacing:.12em;color:#087A55}
.about-e3-nexus-node strong{font-size:15px;color:#142033;font-weight:700}
.about-e3-nexus-node small{font-size:11.5px;color:#475569;line-height:1.4}
.about-e3-controlled-stack{display:grid;gap:9px}
.about-e3-controlled-item{display:flex;align-items:center;gap:10px;font-size:13px;color:#172338;font-weight:500;padding:8px 12px;border:1px solid #E5E9EE;border-radius:8px;background:#fff}
.about-e3-item--ai{border-color:#BEE3D5;background:#F8FAF9}
.about-e3-item--team{border:1.5px solid #142033;background:#142033;color:#fff}
.about-e3-item--team span:last-child{color:#fff}
.about-e3-item--action{border:1.5px solid #087A55;background:#fff}
.about-e3-step-tag{font-size:11px;font-weight:700;padding:2px 7px;border-radius:4px;background:#087A55;color:#fff;flex-shrink:0}
.about-e3-tag-navy{background:#fff;color:#142033}
.about-e3-tag-green{background:#087A55;color:#fff}

/* Zone 3: How We Think (Editorial Principles) */
.about-e3-principles{border-top:1px solid #E5EAED;background:#F8FAFA}
.about-e3-principle-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 60px;margin:32px 0 0;padding:0;list-style:none}
.about-e3-principle-grid li{display:grid;align-content:start;gap:8px;padding:20px 0 24px;border-top:1px solid #DCE4E8}
.about-e3-principle-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:2px}
.about-e3-principle-icon{color:#087A55;opacity:.85;display:inline-flex}
.about-e3-principle-grid h3{margin:0;color:#172338;font-size:17.5px;font-weight:600;line-height:1.4}
.about-e3-principle-grid p{margin:0;max-width:52ch;color:#5C6B7E;font-size:14.5px;line-height:1.7}

/* Zone 4: Global Context (Cross-Border Lens) */
.about-e3-perspective{border-top:1px solid #E5EAED;border-bottom:1px solid #E5EAED;background:#fff}
.about-e3-lens-system{margin-top:32px;display:grid;gap:14px}
.about-e3-lens-planes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.about-e3-lens-plane{padding:22px 20px;background:#FAFCFB;border:1px solid #E5EBEF;border-radius:10px;display:grid;align-content:start;gap:8px}
.about-e3-plane-tag{font-size:11px;font-weight:700;color:#087A55;letter-spacing:.05em;text-transform:uppercase}
.about-e3-lens-plane h3{margin:0;font-size:16.5px;font-weight:600;color:#172338}
.about-e3-lens-plane p{margin:0;font-size:13.5px;color:#536275;line-height:1.68}
.about-e3-lens-convergence{padding:14px 20px;background:#F4FAF7;border:1.5px solid #087A55;border-radius:8px;display:flex;align-items:center;gap:14px}
.about-e3-convergence-tag{font-size:11px;font-weight:700;padding:3px 8px;border-radius:4px;background:#087A55;color:#fff;text-transform:uppercase;flex-shrink:0}
.about-e3-convergence-body strong{font-size:13.5px;color:#087A55;line-height:1.4}
.about-e3-zju{margin-top:20px!important;color:#536275!important;font-weight:500;font-size:13.5px;line-height:1.7}

/* Zone 5: Operating Model (Controlled Workflow Rail) */
.about-e3-model-section{border-bottom:1px solid #E5EAED;background:#fff}
.about-e3-model-shell{max-width:1180px}
.about-e3-model-intro{max-width:720px}
.about-e3-model-intro>p:last-child{margin:14px 0 0;color:#5C6B7E;font-size:16px;line-height:1.8}
.about-e3-rail-wrap{margin-top:32px}
.about-e3-rail{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;margin:0;padding:0;list-style:none}
.about-e3-rail-step{display:flex}
.about-e3-rail-node{flex:1;padding:16px 14px;background:#fff;border:1px solid #DCE4E8;border-radius:10px;display:flex;flex-direction:column;gap:6px;position:relative}
.about-e3-rail-num{font-size:12px;font-weight:700;color:#64748B}
.about-e3-rail-node strong{font-size:14px;color:#172338;line-height:1.35}
.about-e3-rail-node small{font-size:11px;color:#64748B;line-height:1.4}
.about-e3-rail-step--ai .about-e3-rail-node{border-color:#BEE3D5;background:#F4FAF7}
.about-e3-rail-step--human .about-e3-rail-node{border:2px solid #142033;background:#142033;color:#fff}
.about-e3-rail-step--human .about-e3-rail-num{color:#A8B2C0}
.about-e3-rail-step--human .about-e3-rail-node strong{color:#fff}
.about-e3-rail-step--human .about-e3-rail-node small{color:#CBD5E1}
.about-e3-rail-step--action .about-e3-rail-node{border:2px solid #087A55;background:#fff}
.about-e3-rail-step--action .about-e3-rail-num{color:#087A55}
.about-e3-rail-step--loop .about-e3-rail-node{border-color:#CBD5E1;background:#FAFCFB}
.about-e3-rail-tag{position:absolute;top:-9px;right:8px;font-size:10px;font-weight:700;padding:2px 6px;border-radius:999px;line-height:1.2}
.about-e3-tag--ai{background:#E6F7F2;color:#087A55;border:1px solid #BEE3D5}
.about-e3-tag--loop{background:#F1F5F9;color:#475569;border:1px solid #CBD5E1}
.about-e3-rail-loop{margin-top:16px;padding:11px 16px;background:#F8FAFC;border:1px dashed #CBD5E1;border-radius:8px;display:flex;align-items:center;gap:10px;font-size:12.5px;color:#475569}
.about-e3-loop-indicator{font-size:15px;color:#087A55;font-weight:700;flex-shrink:0}
.about-e3-model-note{max-width:760px;margin:22px 0 0;color:#5B6A7D;font-size:13.5px;line-height:1.75}

/* Zone 6: Two Product Paths */
.about-e3-families{background:#F8FAFA}
.about-e3-family-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:32px 0 0}
.about-e3-family{display:grid;align-content:start;gap:12px;padding:24px 26px 26px;border:1px solid #E1E8EA;border-radius:12px;background:#fff;min-width:0}
.about-e3-family-preview{padding:9px 12px;background:#F8FAFC;border:1px solid #E2E8F0;border-radius:8px;min-width:0}
.about-e3-mini-pipeline{display:flex;align-items:center;flex-wrap:wrap;gap:6px 4px;font-size:11px}
.about-e3-pipe-node{padding:3px 6px;background:#fff;border:1px solid #CBD5E1;border-radius:4px;color:#334155;font-weight:500;white-space:nowrap}
.about-e3-pipe-arrow{color:#94A3B8;font-size:11px;flex-shrink:0}
.about-e3-pipe-node--review{background:#E6F7F2;border-color:#087A55;color:#087A55;font-weight:600}
.about-e3-family h3{margin:0;color:#172338;font-size:19px;font-weight:600;line-height:1.35}
.about-e3-family p{margin:0;color:#536275;font-size:14.5px;line-height:1.72}
.about-e3-family-scope{color:#718096!important;font-size:13px!important;line-height:1.65!important}
.about-e3-family-link{margin-top:2px;color:#0B7A52;font-size:14.5px;font-weight:600;text-decoration:none}
.about-e3-family-link:hover,.about-e3-family-link:focus-visible{color:#087A55;text-decoration:underline}

/* Zone 7: Team (three approved portraits + compact trust strip) */
.about-e3-team{border-top:1px solid #E5EAED;background:#fff}
.about-e3-team-capability{margin:8px 0 24px;font-size:14.5px;font-weight:600;color:#087A55;letter-spacing:.03em}
.about-e3-team-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:stretch;max-width:960px;margin-inline:auto}
.about-e3-member{border:1px solid #E1E8EA;border-radius:12px;background:#fff;display:flex;flex-direction:column;overflow:hidden;min-width:0}
.about-e3-member--founder{background:#FAFBFB;border-color:#CFE0D8}
.about-e3-member-media{width:100%;height:280px;overflow:hidden;background:#EEF2F0}
.about-e3-member-photo{width:100%;height:100%;object-fit:cover;display:block}
.about-e3-photo--billy{object-position:center 16%}
.about-e3-photo--andre{object-position:center 4%}
.about-e3-photo--cherilyn{object-position:center 4%}
.about-e3-member-content{display:flex;flex-direction:column;gap:6px;padding:16px 20px 22px;flex:1}
.about-e3-member-badge{display:inline-block;align-self:flex-start;font-size:11px;font-weight:600;padding:2px 8px;border-radius:4px;background:#F1F5F9;color:#475569;letter-spacing:.02em}
.about-e3-badge--founder{background:#E6F7F2;color:#087A55;font-weight:700}
.about-e3-member h3{margin:2px 0 0;font-size:17px;font-weight:600;color:#172338}
.about-e3-member--founder h3{font-size:18.5px}
.about-e3-member-summary{margin:2px 0 0;color:#536275;font-size:13px;line-height:1.65}
.about-e3-member-cred{margin:auto 0 0;padding-top:8px;font-size:11.5px;color:#64748B;letter-spacing:.02em;line-height:1.4}
.about-e3-member--founder .about-e3-member-summary{font-size:13px;line-height:1.68}

/* Zone 8: Built For / Hangzhou Brand Closing */
.about-e3-audience{position:relative;overflow:hidden;border-top:1px solid #E5EAED;background:#F3F7F5}
.about-e3-audience-map{position:absolute;top:50%;right:8%;transform:translateY(-50%);width:clamp(400px,50%,600px);pointer-events:none;z-index:0}
.about-e3-audience-map svg{width:100%;height:auto;display:block}
.about-e3-audience-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:clamp(32px,5vw,64px);align-items:center}
.about-e3-audience-copy>p{margin:16px 0 0;max-width:620px;color:#536275;font-size:15.5px;line-height:1.8}
.about-e3-actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 0}
.about-e3-actions .btn{min-height:42px;padding:10px 16px;font-size:14px;font-weight:600}
.about-e3-actions .about-e3-secondary{border-color:#BFD0C9;background:transparent;color:#176D43}
.about-e3-actions .about-e3-secondary:hover{border-color:#087A55;background:#fff;color:#087A55}
.about-e3-audience-copy .about-e3-scope{margin:14px 0 0}
.about-e3-family-link:focus-visible,.about-e3-actions a:focus-visible{outline:2px solid #087A55;outline-offset:4px}

.about-e3-location-visual{background:transparent;border:0;padding:0;display:flex;flex-direction:column;gap:12px}
.about-e3-location-meta{display:grid;gap:4px;padding-left:20px;border-left:2px solid #087A55}
.about-e3-location-badge{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#087A55}
.about-e3-location-title{margin:2px 0 0;font-size:20px;font-weight:600;color:#142033}
.about-e3-location-desc{margin:0;font-size:13.5px;color:#536275;line-height:1.6}

@media(max-width:1024px){
  .about-e3-hero-grid{grid-template-columns:1fr;gap:36px}
  .about-e3-hero-model{justify-content:flex-start}
  .about-e3-diagram-card{max-width:none}
  .about-e3-bridge{grid-template-columns:1fr;gap:14px}
  .about-e3-lens-planes{grid-template-columns:1fr;gap:12px}
  .about-e3-rail{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
  .about-e3-audience-inner{grid-template-columns:1fr;gap:32px}
}
@media(max-width:780px){
  .about-e3-main{padding-top:64px}
  .about-e3-hero-copy{gap:14px}
  .about-e3-lead{font-size:15.5px;line-height:1.75}
  .about-e3-editorial{gap:12px}
  .about-e3-copy>p,.about-e3-audience-copy>p{font-size:15px;line-height:1.75}
  .about-e3-principle-grid{grid-template-columns:1fr;margin-top:24px}
  .about-e3-rail{grid-template-columns:1fr;gap:10px}
  .about-e3-family-grid{grid-template-columns:1fr;margin-top:24px}
  .about-e3-family{min-width:0;padding:20px 18px 22px}
  .about-e3-family-preview{min-width:0}
  .about-e3-mini-pipeline{flex-wrap:wrap;gap:6px 5px;justify-content:flex-start}
  .about-e3-team-strip{grid-template-columns:1fr;margin-top:20px;gap:16px}
  .about-e3-member-media{height:240px;max-width:230px;margin:0 auto}
  .about-e3-actions{flex-direction:column;align-items:stretch}
  .about-e3-actions .btn{text-align:center}
  .about-e3-audience-map{width:min(320px,74%);right:-16%;top:auto;bottom:-4%;transform:none}
  .about-e3-location-meta{padding-left:16px}
}