/* ==========================================================================
   企业 AI 页 · 暖白编辑风 + 深色工作台
   ========================================================================== */
.ea-page { --wb: #141a17; --wb-2: #1d2521; --wb-3: #26302b; --wb-line: rgba(255, 255, 255, .1); --wb-text: #eef0ea; --wb-muted: #9aa59e; }

/* ------------------------------ hero ------------------------------ */
.ea-hero { padding: clamp(56px, 7vw, 92px) var(--gutter) 0; }
.ea-hero-inner { width: min(100%, var(--max)); margin: auto; }
.ea-hero-top { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 6vw, 80px); align-items: end; margin-bottom: clamp(40px, 5vw, 64px); }
.ea-hero h1 { max-width: 700px; font-size: clamp(40px, 5vw, 72px); line-height: 1.16; }
.ea-hero h1 em { font-style: normal; color: var(--green); }
.ea-hero-lede { max-width: 560px; margin: 24px 0 0; color: var(--muted); font-size: clamp(16px, 1.4vw, 18px); line-height: 1.85; }
.ea-hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; margin-top: 32px; }
.ea-video-link { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); font-size: 14px; font-weight: 600; }
.ea-video-link i { display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid var(--ink); border-radius: 50%; font-style: normal; font-size: 13px; transition: transform .25s; }
.ea-video-link:hover i { transform: translateY(3px); }
.ea-hero-proof { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-strong); }
.ea-hero-proof li { display: grid; grid-template-columns: 40px 1fr; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 14px; color: var(--muted); line-height: 1.7; }
.ea-hero-proof li i { font-family: var(--serif); font-style: normal; color: var(--green); }
.ea-hero-proof li b { display: block; font-family: var(--serif); font-size: 18px; color: var(--ink); margin-bottom: 2px; }

/* workbench */
.ea-hero-product { position: relative; color: var(--wb-text); background: var(--wb); border-radius: 8px; box-shadow: 0 60px 120px -50px rgba(23, 29, 25, .6); overflow: hidden; }
.ea-product-top { display: flex; align-items: center; gap: 14px; padding: 14px 22px; border-bottom: 1px solid var(--wb-line); font-size: 12px; color: var(--wb-muted); letter-spacing: .04em; }
.ea-window-dots { display: flex; gap: 6px; }
.ea-window-dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--wb-3); }
.ea-window-dots i:first-child { background: var(--clay); }
.ea-demo-control { display: inline-flex; align-items: center; gap: 7px; margin-left: auto; padding: 4px 8px; border: 0; border-radius: 3px; color: var(--wb-muted); background: transparent; font: inherit; letter-spacing: 0; cursor: pointer; transition: color .2s, background .2s; }
.ea-demo-control:hover { color: #fff; background: var(--wb-3); }
.ea-demo-control > i { position: relative; width: 10px; height: 10px; border-radius: 50%; background: var(--green-ink); box-shadow: 0 0 0 4px rgba(143, 208, 173, .1); }
.ea-demo-control[aria-pressed="false"] > i { background: var(--wb-muted); box-shadow: none; }
.ea-online { display: inline-flex; align-items: center; gap: 7px; padding: 3px 9px; border: 1px solid rgba(143, 208, 173, .4); border-radius: 2px; color: var(--green-ink); font-weight: 600; }
.ea-online i { width: 6px; height: 6px; border-radius: 50%; background: var(--green-ink); animation: aiPulse 1.6s infinite; }
.ea-product-body { display: grid; grid-template-columns: 220px 1fr; min-height: 520px; }
.ea-product-sidebar { display: flex; flex-direction: column; padding: 22px 16px; border-right: 1px solid var(--wb-line); background: var(--wb-2); }
.ea-product-sidebar b { font-family: var(--serif); font-size: 15px; padding: 0 8px; }
.ea-product-sidebar p { margin: 4px 0 18px; padding: 0 8px; font-size: 11px; color: var(--wb-muted); }
.ea-product-sidebar button { display: flex; align-items: center; gap: 10px; width: 100%; padding: 10px 12px; margin-bottom: 4px; border: 0; border-radius: 4px; background: transparent; color: var(--wb-muted); font-size: 13.5px; text-align: left; cursor: pointer; transition: background .2s, color .2s; }
.ea-product-sidebar button i { width: 18px; font-style: normal; text-align: center; color: var(--green-ink); }
.ea-product-sidebar button:hover { color: #fff; background: var(--wb-3); }
.ea-product-sidebar button.active { color: #fff; background: rgba(143, 208, 173, .16); }
.ea-user { display: flex; align-items: center; gap: 10px; margin-top: auto; padding: 14px 8px 0; border-top: 1px solid var(--wb-line); }
.ea-user span { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--paper); color: var(--ink); font-family: var(--serif); font-size: 13px; }
.ea-user p { margin: 0; padding: 0; line-height: 1.3; }
.ea-user strong { display: block; font-size: 13px; color: #fff; }
.ea-user small { font-size: 11px; color: var(--wb-muted); }
.ea-product-main { padding: 26px 30px 24px; }
.ea-question-row { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 12px; align-items: start; }
.ea-question-avatar { display: grid; place-items: center; width: 34px; height: 34px; margin-top: 1px; border: 1px solid var(--wb-line); border-radius: 50%; color: var(--ink); background: var(--paper); font-family: var(--serif); font-size: 13px; font-weight: 700; }
.ea-query-context { display: flex; gap: 8px; font-size: 11px; }
.ea-query-context span, .ea-query-context em { padding: 3px 8px; border-radius: 2px; font-style: normal; }
.ea-query-context small { align-self: center; color: var(--wb-muted); }
.ea-query-context span { background: var(--wb-3); color: #fff; }
.ea-query-context em { border: 1px solid var(--wb-line); color: var(--wb-muted); }
.ea-product-main h2 { min-height: 1.45em; margin: 11px 0 0; font-size: clamp(22px, 2vw, 28px); line-height: 1.4; color: #fff; }
.ea-product-main h2.is-typing::after, .ea-chat-user p.is-typing::after { content: ""; display: inline-block; width: 1px; height: .92em; margin-left: 5px; vertical-align: -.08em; background: currentColor; animation: eaCaret .72s steps(1) infinite; }
.ea-reasoning { display: flex; align-items: center; gap: 9px; margin: 12px 0 18px; font-size: 12px; color: var(--wb-muted); }
.ea-reasoning i { width: 6px; height: 6px; border-radius: 50%; background: var(--green-ink); animation: aiPulse 1.6s infinite; }
.ea-reasoning b { color: var(--green-ink); font-size: 12px; font-weight: 600; }
.ea-reasoning em { display: inline-flex; gap: 3px; margin-left: -3px; }
.ea-reasoning em u { width: 3px; height: 3px; border-radius: 50%; background: currentColor; opacity: .35; animation: eaThinking 1.1s infinite; }
.ea-reasoning em u:nth-child(2) { animation-delay: .14s; }
.ea-reasoning em u:nth-child(3) { animation-delay: .28s; }
.ea-briefing { padding: 18px 20px 20px; border: 1px solid var(--wb-line); border-radius: 6px; background: var(--wb-2); }
.ea-hero-product.is-composing .ea-briefing, .ea-hero-product.is-composing .ea-product-sources { opacity: .18; transform: translateY(8px); filter: blur(1px); }
.ea-hero-product .ea-briefing, .ea-hero-product .ea-product-sources { transition: opacity .45s var(--ease), transform .45s var(--ease), filter .35s; }
.ea-hero-product.is-answering .ea-briefing { animation: eaAnswerIn .52s var(--ease) both; }
.ea-briefing-title { display: flex; justify-content: space-between; align-items: baseline; font-family: var(--serif); font-size: 15px; }
.ea-briefing-title small { font-family: var(--sans); font-size: 11px; color: var(--wb-muted); }
.ea-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 14px; border: 1px solid var(--wb-line); background: var(--wb-line); }
.ea-metrics div { padding: 12px 14px; background: var(--wb-2); }
.ea-metrics span { display: block; font-size: 11px; color: var(--wb-muted); margin-bottom: 5px; }
.ea-metrics strong { display: block; font-family: var(--serif); font-size: clamp(18px, 1.6vw, 22px); line-height: 1.2; color: #fff; }
.ea-metrics small { display: block; margin-top: 4px; font-size: 11px; color: var(--wb-muted); }
.ea-metrics small.up { color: var(--green-ink); }
.ea-metrics small.down { color: #f0a08c; }
.ea-chart { margin-top: 14px; }
.ea-chart svg { display: block; width: 100%; height: 96px; }
.ea-chart-area { fill: url(#heroArea); }
.ea-chart-line { fill: none; stroke: var(--green-ink); stroke-width: 2; stroke-linecap: round; }
.ea-insight { display: grid; grid-template-columns: 22px 1fr auto; gap: 12px; align-items: start; margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--wb-line); }
.ea-insight i { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--clay); color: #fff; font-family: var(--serif); font-style: normal; font-size: 13px; font-weight: 700; }
.ea-insight p { margin: 0; font-size: 13.5px; line-height: 1.7; color: #cfd6d1; }
.ea-insight p strong { color: #fff; font-weight: 600; }
.ea-insight button { padding: 6px 10px; border: 1px solid var(--wb-line); border-radius: 2px; background: transparent; color: var(--green-ink); font-size: 12px; cursor: pointer; white-space: nowrap; }
.ea-insight button:hover { border-color: var(--green-ink); }
.ea-product-sources { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 14px; font-size: 11px; color: var(--wb-muted); transition: color .3s; }
.ea-product-sources b { font-weight: 500; color: #cfd6d1; }
.ea-product-sources em { margin-left: auto; font-style: normal; }
.ea-product-sources.emphasized b { color: var(--green-ink); }
.ea-demo-switcher { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--wb-line); background: var(--wb-2); }
.ea-demo-switcher button { display: flex; align-items: center; gap: 12px; padding: 14px 20px; border: 0; border-right: 1px solid var(--wb-line); background: transparent; color: var(--wb-muted); font-size: 13px; cursor: pointer; transition: background .2s, color .2s; }
.ea-demo-switcher button:last-child { border-right: 0; }
.ea-demo-switcher button span { font-family: var(--serif); font-size: 12px; color: var(--green-ink); }
.ea-demo-switcher button:hover { color: #fff; }
.ea-demo-switcher button.active { color: #fff; background: var(--wb); box-shadow: inset 0 2px 0 var(--green-ink); }
.ea-simulation-note { margin: 14px 0 0; text-align: center; font-size: 12px; color: var(--dim); }

@keyframes eaCaret { 0%, 48% { opacity: 1; } 49%, 100% { opacity: 0; } }
@keyframes eaThinking { 0%, 70%, 100% { opacity: .25; transform: translateY(0); } 35% { opacity: 1; transform: translateY(-2px); } }
@keyframes eaAnswerIn { from { opacity: .2; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ------------------------------ statement ------------------------------ */
.ea-statement { padding: clamp(96px, 12vw, 160px) var(--gutter); text-align: center; }
.ea-statement-inner { width: min(100%, 900px); margin: auto; }
.ea-statement p { margin: 0 0 22px; font-size: 13px; letter-spacing: .1em; color: var(--green); font-weight: 600; }
.ea-statement h2 { font-size: clamp(30px, 4.2vw, 54px); line-height: 1.3; }
.ea-statement h2 span { color: var(--muted); font-weight: 400; }

/* ------------------------------ shared heads ------------------------------ */
.ea-section-head { width: min(100%, var(--max)); margin: 0 auto clamp(40px, 6vw, 64px); display: grid; grid-template-columns: 1fr minmax(280px, .72fr); gap: clamp(24px, 5vw, 64px); align-items: end; }
.ea-section-index { grid-column: 1 / -1; display: flex; align-items: center; gap: 12px; margin: 0 0 -8px; color: var(--green); font-size: 13px; font-weight: 600; letter-spacing: .06em; }
.ea-section-index::before { content: ""; width: 22px; height: 1px; background: var(--green); }
.ea-section-head h2 { font-size: clamp(30px, 3.4vw, 44px); line-height: 1.28; }
.ea-section-head p:last-child { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.85; }

/* ------------------------------ how it works ------------------------------ */
.ea-clarity { padding: clamp(88px, 10vw, 130px) var(--gutter); background: var(--paper-2); }
.ea-flow { position: relative; width: min(100%, var(--max)); margin: auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); --flow-progress: 16%; }
.ea-flow-rail { position: absolute; left: 0; right: 0; top: -1px; height: 2px; background: var(--line); z-index: 2; }
.ea-flow-rail span { display: block; width: var(--flow-progress); height: 100%; background: var(--green); transition: width .6s var(--ease); }
.ea-flow-step { position: relative; padding: 32px 28px 30px; background: var(--paper-2); transition: background .4s; }
.ea-flow-step.active { background: var(--card); }
.ea-flow-step > span { font-family: var(--serif); font-size: 13px; color: var(--dim); }
.ea-flow-step.active > span { color: var(--green); }
.ea-flow-visual { position: relative; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; min-height: 132px; margin: 22px 0 24px; padding: 18px; border: 1px solid var(--line); border-radius: 4px; background: var(--paper); }
.ea-flow-visual b { padding: 8px 12px; border: 1px solid var(--line); border-radius: 2px; background: var(--card); font-family: var(--serif); font-size: 13px; font-weight: 700; }
.ea-flow-visual i { font-style: normal; color: var(--green); }
.ea-flow-systems i { font-size: 20px; margin-left: auto; }
.ea-flow-access { flex-direction: column; align-items: stretch; }
.ea-flow-access b { font-family: var(--sans); font-weight: 600; font-size: 13px; }
.ea-flow-access i { padding: 8px 12px; border-radius: 2px; background: var(--green-soft); font-size: 13px; font-weight: 600; }
.ea-flow-access small { padding: 8px 12px; color: var(--dim); font-size: 12px; text-decoration: line-through; }
.ea-flow-result { flex-direction: column; align-items: flex-start; gap: 4px; }
.ea-flow-result strong { font-family: var(--serif); font-size: 24px; color: var(--clay); }
.ea-flow-result small { font-size: 12px; color: var(--muted); }
.ea-flow-result i { margin-top: 10px; font-size: 12px; font-weight: 600; }
.ea-flow-step h3 { font-size: 22px; line-height: 1.35; }
.ea-flow-step p { margin: 8px 0 0; font-size: 14px; line-height: 1.8; color: var(--muted); }

/* ------------------------------ examples ------------------------------ */
.ea-examples { padding: clamp(88px, 10vw, 130px) var(--gutter); }
.ea-example-shell { width: min(100%, var(--max)); margin: auto; display: grid; grid-template-columns: 250px 1fr; border: 1px solid var(--line); background: var(--card); border-radius: 6px; overflow: hidden; }
.ea-example-tabs { display: flex; flex-direction: column; border-right: 1px solid var(--line); background: var(--paper); }
.ea-example-tabs button { display: flex; align-items: center; gap: 14px; flex: 1; padding: 18px 20px; border: 0; border-bottom: 1px solid var(--line); background: transparent; text-align: left; cursor: pointer; color: var(--muted); transition: background .2s, color .2s; }
.ea-example-tabs button:last-child { border-bottom: 0; }
.ea-example-tabs button i { font-family: var(--serif); font-style: normal; font-size: 13px; color: var(--dim); }
.ea-example-tabs button b { display: block; font-family: var(--serif); font-size: 17px; color: var(--ink); }
.ea-example-tabs button small { font-size: 12px; }
.ea-example-tabs button:hover { background: var(--paper-2); }
.ea-example-tabs button.active { background: var(--card); color: var(--green); box-shadow: inset 3px 0 0 var(--green); }
.ea-example-tabs button.active i { color: var(--green); }
.ea-example-stage { padding: 30px 34px 34px; }
.ea-auto-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 24px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.ea-auto-bar > span { display: inline-flex; align-items: center; gap: 8px; color: var(--green); font-size: 12px; }
.ea-auto-bar > span i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px var(--green-soft); animation: aiPulse 1.6s infinite; }
.ea-auto-bar > span b { font-weight: 600; }
.ea-auto-bar button { display: inline-flex; align-items: center; gap: 7px; padding: 5px 9px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: transparent; font: inherit; font-size: 11px; cursor: pointer; }
.ea-auto-bar button:hover { border-color: var(--green); color: var(--green); }
.ea-auto-bar button i { min-width: 10px; color: var(--green); font-style: normal; font-size: 9px; }
.ea-chat-user { display: flex; align-items: flex-start; gap: 14px; }
.ea-chat-user span { flex: none; padding: 5px 10px; border-radius: 2px; background: var(--ink); color: var(--paper); font-size: 12px; font-weight: 600; margin-top: 4px; }
.ea-chat-user p { min-height: 1.4em; margin: 0; font-family: var(--serif); font-size: clamp(20px, 1.9vw, 26px); line-height: 1.4; font-weight: 700; }
.ea-chat-route { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 18px 0 20px; font-size: 12px; color: var(--dim); }
.ea-chat-route span { display: inline-flex; align-items: center; gap: 7px; padding: 5px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); opacity: .38; transition: opacity .25s, color .25s, border-color .25s, background .25s, transform .25s; }
.ea-chat-route span.active { opacity: 1; color: var(--green); border-color: rgba(30, 103, 72, .36); background: var(--green-soft); transform: translateY(-1px); }
.ea-chat-route span i { width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
.ea-chat-route b { font-weight: 400; }
.ea-chat-answer { padding: 24px 26px 22px; border: 1px solid var(--line); border-radius: 4px; background: var(--paper); }
.ea-example-stage .ea-chat-answer { transition: opacity .42s var(--ease), transform .42s var(--ease), background .3s; }
.ea-example-stage:not(.has-answer) .ea-chat-answer { opacity: .3; transform: translateY(8px); }
.ea-example-stage:not(.has-answer) .ea-answer-lead, .ea-example-stage:not(.has-answer) .ea-answer-copy, .ea-example-stage:not(.has-answer) .ea-mini-bars, .ea-example-stage:not(.has-answer) .ea-answer-next, .ea-example-stage:not(.has-answer) .ea-chat-answer footer { visibility: hidden; }
.ea-example-stage.has-answer .ea-answer-lead { animation: eaPieceIn .4s var(--ease) both; }
.ea-example-stage:not(.has-detail) .ea-answer-copy, .ea-example-stage:not(.has-detail) .ea-mini-bars { opacity: 0; transform: translateY(6px); }
.ea-example-stage .ea-answer-copy, .ea-example-stage .ea-mini-bars, .ea-example-stage .ea-answer-next, .ea-example-stage .ea-chat-answer footer { transition: opacity .35s var(--ease), transform .35s var(--ease); }
.ea-example-stage:not(.is-complete) .ea-answer-next, .ea-example-stage:not(.is-complete) .ea-chat-answer footer { opacity: 0; transform: translateY(6px); }
.ea-chat-answer header { display: flex; justify-content: space-between; align-items: center; padding-bottom: 14px; border-bottom: 1px dashed var(--line); font-size: 12px; color: var(--dim); }
.ea-chat-answer header div { display: flex; align-items: center; gap: 8px; color: var(--green); font-weight: 600; }
.ea-chat-answer header i { width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.ea-chat-answer header em { font-style: normal; }
.ea-answer-lead { display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center; margin-top: 18px; }
.ea-answer-lead p { margin: 0; font-size: 18px; line-height: 1.6; }
.ea-answer-lead p strong { font-family: var(--serif); font-size: 22px; color: var(--ink); }
.ea-answer-lead > div { text-align: right; padding-left: 20px; border-left: 1px solid var(--line); }
.ea-answer-lead > div span { display: block; font-size: 11px; color: var(--dim); margin-bottom: 4px; }
.ea-answer-lead > div b { font-family: var(--serif); font-size: clamp(26px, 2.4vw, 34px); line-height: 1; color: var(--clay); }
.ea-answer-copy { margin: 16px 0 0; font-size: 14.5px; line-height: 1.85; color: var(--muted); }
.ea-mini-bars { display: flex; align-items: flex-end; gap: 5px; height: 60px; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); }
.ea-mini-bars i { flex: 1; height: var(--h); border-radius: 2px 2px 0 0; background: var(--green-soft); border-top: 2px solid var(--green); transition: height .5s var(--ease); }
.ea-mini-bars i.alert { background: var(--clay-soft); border-top-color: var(--clay); }
.ea-answer-next { display: grid; grid-template-columns: 56px 1fr; gap: 12px; margin-top: 18px; padding: 14px 16px; background: var(--card); border: 1px solid var(--line); border-radius: 4px; font-size: 13.5px; line-height: 1.7; }
.ea-answer-next span { font-size: 12px; font-weight: 600; color: var(--green); }
.ea-answer-next p { margin: 0; color: var(--ink-2); }
.ea-chat-answer footer { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 16px; font-size: 12px; color: var(--dim); }
.ea-chat-answer footer span { margin-right: 8px; }
.ea-chat-answer footer b { font-weight: 500; color: var(--muted); }
.ea-chat-answer footer em { font-style: normal; white-space: nowrap; }
.ea-example-progress { width: min(100%, var(--max)); height: 2px; margin: 0 auto; background: var(--line); overflow: hidden; }
.ea-example-progress span { display: block; width: 100%; height: 100%; background: var(--green); transform: scaleX(0); transform-origin: left; }
.ea-example-progress span.running { animation: eaDemoProgress 9.6s linear both; }
.ea-example-progress span.paused { animation-play-state: paused; }
.ea-sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }

@keyframes eaPieceIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes eaDemoProgress { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* ------------------------------ architecture map ------------------------------ */
.ea-architecture { padding: clamp(88px, 10vw, 130px) var(--gutter); background: var(--paper-2); }
.ea-map { position: relative; width: min(100%, var(--max)); height: clamp(420px, 44vw, 560px); margin: auto; border: 1px solid var(--line); border-radius: 6px; background: var(--paper); --map-progress: 0%; overflow: hidden; }
.ea-map::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(var(--line) 1px, transparent 1px); background-size: 22px 22px; opacity: .55; pointer-events: none; }
.ea-map svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.ea-map svg path { fill: none; stroke: var(--line); stroke-width: 1.5; transition: stroke .4s; }
.ea-map svg path.active { stroke: var(--green); stroke-dasharray: 6 6; animation: dash 1.2s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -24; } }
.ea-map-sources span { position: absolute; left: var(--x); top: var(--y); transform: translate(-50%, -50%); padding: 10px 16px; border: 1px solid var(--line); border-radius: 2px; background: var(--card); font-family: var(--serif); font-size: 14px; font-weight: 700; white-space: nowrap; transition: border-color .3s, color .3s, box-shadow .3s; }
.ea-map-sources span.active { color: var(--green); border-color: var(--green); box-shadow: 0 0 0 4px var(--green-soft); }
.ea-map-core { position: absolute; left: 50%; top: 50%; width: clamp(180px, 20vw, 230px); aspect-ratio: 1; transform: translate(-50%, -50%); display: grid; place-content: center; text-align: center; border-radius: 50%; color: var(--paper); background: var(--ink); box-shadow: 0 0 0 12px var(--paper), 0 0 0 13px var(--line); }
.ea-map-core i { display: block; width: 8px; height: 8px; margin: 0 auto 10px; border-radius: 50%; background: var(--green-ink); animation: aiPulse 1.6s infinite; }
.ea-map-core span { font-size: 11px; letter-spacing: .12em; color: var(--wb-muted); }
.ea-map-core strong { display: block; margin-top: 2px; font-family: var(--serif); font-size: clamp(22px, 2.2vw, 28px); }
.ea-map-core small { display: block; margin-top: 8px; padding: 0 22px; font-size: 11px; line-height: 1.5; color: var(--wb-muted); }
.ea-map-output { position: absolute; left: 50%; bottom: 52px; transform: translateX(-50%); display: flex; gap: 6px; }
.ea-map-output span { padding: 5px 10px; border: 1px solid var(--line); border-radius: 999px; background: var(--card); font-size: 12px; color: var(--muted); transition: all .3s; }
.ea-map-output span.active { color: #fff; background: var(--green); border-color: var(--green); }
.ea-map-status { position: absolute; left: 20px; top: 16px; max-width: 60%; font-size: 11px; color: var(--dim); letter-spacing: .06em; }
.ea-map-status strong { display: block; margin-top: 2px; font-family: var(--serif); font-size: 15px; color: var(--ink); letter-spacing: 0; }
.ea-map > p { position: absolute; left: 20px; bottom: 12px; margin: 0; font-size: 11px; color: var(--dim); }

.ea-permission-copy .ea-section-index, .ea-fit-heading .ea-section-index { margin-bottom: 18px; }

/* ------------------------------ permission ------------------------------ */
.ea-permission { width: min(100%, var(--max)); margin: auto; padding: clamp(88px, 10vw, 130px) var(--gutter); display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(32px, 6vw, 90px); align-items: center; }
.ea-permission-copy h2 { font-size: clamp(30px, 3.4vw, 44px); line-height: 1.28; }
.ea-permission-copy h2 span { color: var(--green); }
.ea-permission-copy p:last-child { margin: 20px 0 0; color: var(--muted); font-size: 16px; line-height: 1.85; max-width: 440px; }
.ea-permission-demo { padding: 26px 28px 20px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); }
.ea-permission-question { padding-bottom: 18px; border-bottom: 1px dashed var(--line); font-family: var(--serif); font-size: clamp(18px, 1.7vw, 22px); font-weight: 700; line-height: 1.45; }
.ea-permission-row { display: grid; grid-template-columns: 1fr auto 28px; gap: 16px; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--line); }
.ea-permission-row span { display: block; font-weight: 600; font-size: 15px; }
.ea-permission-row small { font-size: 12px; color: var(--dim); }
.ea-permission-row b { font-size: 13px; font-weight: 600; }
.ea-permission-row i { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; font-style: normal; font-size: 13px; }
.ea-permission-row.allowed b, .ea-permission-row.allowed i { color: var(--green); }
.ea-permission-row.allowed i { background: var(--green-soft); }
.ea-permission-row.limited b, .ea-permission-row.limited i { color: #8a6a1c; }
.ea-permission-row.limited i { background: #f3e9cd; }
.ea-permission-row.denied b, .ea-permission-row.denied i { color: var(--clay); }
.ea-permission-row.denied i { background: var(--clay-soft); }
.ea-permission-demo > p { margin: 14px 0 0; font-size: 11px; color: var(--dim); text-align: right; }

/* ------------------------------ evolution ------------------------------ */
.ea-evolution { padding: clamp(88px, 10vw, 130px) var(--gutter); background: var(--ink); color: var(--paper); }
.ea-evolution .ea-section-index { color: var(--green-ink); }
.ea-evolution .ea-section-index::before { background: var(--green-ink); }
.ea-evolution .ea-section-head h2 { color: #fff; }
.ea-evolution .ea-section-head p:last-child { color: #b6bfb9; }
.ea-evolution-track { width: min(100%, var(--max)); margin: auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; border: 1px solid rgba(255, 255, 255, .16); background: rgba(255, 255, 255, .16); }
.ea-evolution-track article { padding: 28px 26px 30px; background: var(--ink); }
.ea-evolution-track article.active { background: var(--wb-2); box-shadow: inset 0 3px 0 var(--green-ink); }
.ea-evolution-track span { font-size: 12px; letter-spacing: .06em; color: var(--wb-muted); font-weight: 600; }
.ea-evolution-track article.active span { color: var(--green-ink); }
.ea-evolution-track h3 { margin: 28px 0 8px; font-size: 26px; color: #fff; }
.ea-evolution-track p { margin: 0 0 18px; font-size: 14px; line-height: 1.75; color: #b6bfb9; }
.ea-evolution-track ul { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255, 255, 255, .14); }
.ea-evolution-track li { padding: 9px 0; border-bottom: 1px solid rgba(255, 255, 255, .14); font-size: 13px; color: #dfe4e0; }
.ea-evolution-track li::before { content: "—"; margin-right: 8px; color: var(--green-ink); }

/* ------------------------------ delivery ------------------------------ */
.ea-delivery { padding: clamp(88px, 10vw, 130px) var(--gutter); }
.ea-delivery-list { width: min(100%, var(--max)); margin: auto; border-top: 1px solid var(--line-strong); }
.ea-delivery-list article { display: grid; grid-template-columns: 90px 1fr auto; gap: 30px; align-items: center; padding: 30px 0; border-bottom: 1px solid var(--line); }
.ea-delivery-list span { font-family: var(--serif); font-size: 36px; font-weight: 400; line-height: 1; color: var(--green); }
.ea-delivery-list h3 { font-size: 24px; line-height: 1.3; }
.ea-delivery-list p { margin: 6px 0 0; max-width: 620px; font-size: 14.5px; line-height: 1.8; color: var(--muted); }
.ea-delivery-list em { padding: 6px 12px; border: 1px solid var(--line); border-radius: 2px; font-style: normal; font-size: 12px; color: var(--muted); white-space: nowrap; }

/* ------------------------------ fit ------------------------------ */
.ea-fit { padding: clamp(88px, 10vw, 130px) var(--gutter); background: var(--paper-2); }
.ea-fit-heading { width: min(100%, var(--max)); margin: 0 auto clamp(40px, 6vw, 60px); }
.ea-fit-heading h2 { max-width: 720px; font-size: clamp(30px, 3.4vw, 44px); line-height: 1.28; }
.ea-fit-grid { width: min(100%, var(--max)); margin: auto; display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; }
.ea-fit-grid > div { padding: 28px 30px 30px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); }
.ea-fit-grid span { display: inline-block; padding: 4px 10px; border-radius: 2px; font-size: 12px; font-weight: 600; letter-spacing: .06em; }
.ea-fit-yes span { color: #fff; background: var(--green); }
.ea-fit-no span { color: var(--clay); border: 1px solid var(--clay); }
.ea-fit-grid ul { margin: 22px 0 0; padding: 0; list-style: none; }
.ea-fit-grid li { position: relative; padding: 12px 0 12px 26px; border-top: 1px solid var(--line); font-size: 15px; line-height: 1.7; color: var(--ink-2); }
.ea-fit-grid li::before { content: ""; position: absolute; left: 4px; top: 22px; width: 8px; height: 8px; border-radius: 50%; }
.ea-fit-yes li::before { background: var(--green); }
.ea-fit-no li::before { background: var(--clay); }
.ea-fit-no li { color: var(--muted); }

/* ------------------------------ pilot ------------------------------ */
.ea-pilot { position: relative; padding: clamp(96px, 12vw, 150px) var(--gutter); color: var(--paper); background: var(--ink); text-align: center; overflow: hidden; }
.ea-pilot-glow { position: absolute; left: 50%; top: 50%; width: 900px; height: 500px; transform: translate(-50%, -50%); background: radial-gradient(ellipse, rgba(143, 208, 173, .14), transparent 65%); pointer-events: none; }
.ea-pilot-inner { position: relative; width: min(100%, 860px); margin: auto; }
.ea-pilot-inner > p { margin: 0 0 22px; font-size: 13px; letter-spacing: .1em; color: var(--green-ink); font-weight: 600; }
.ea-pilot h2 { font-size: clamp(32px, 4.4vw, 54px); line-height: 1.25; color: #fff; }
.ea-pilot h2 span { color: var(--green-ink); }
.ea-pilot-copy p { max-width: 560px; margin: 22px auto 0; color: #b6bfb9; font-size: 17px; line-height: 1.8; }
.ea-pilot-copy div { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 14px 26px; margin-top: 30px; }
.ea-pilot-copy div > a:not(.button) { color: #fff; font-size: 14px; font-weight: 600; border-bottom: 1px solid rgba(255, 255, 255, .4); padding-bottom: 2px; }
.ea-pilot small { display: block; margin-top: 28px; font-size: 12px; color: var(--wb-muted); }

/* ------------------------------ responsive ------------------------------ */
@media (max-width: 1000px) {
  .ea-hero-top { grid-template-columns: 1fr; }
  .ea-hero-proof { max-width: 560px; }
  .ea-example-shell { grid-template-columns: 1fr; }
  .ea-example-tabs { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .ea-example-tabs button { flex: none; border-bottom: 0; border-right: 1px solid var(--line); padding: 14px 16px; }
  .ea-example-tabs button.active { box-shadow: inset 0 -3px 0 var(--green); }
  .ea-example-tabs button small { display: none; }
  .ea-permission { grid-template-columns: 1fr; }
  .ea-evolution-track { grid-template-columns: 1fr 1fr; }
  .ea-fit-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .ea-section-head { grid-template-columns: 1fr; }
  .ea-product-body { grid-template-columns: 1fr; }
  .ea-product-sidebar { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 4px; padding: 12px 14px; border-right: 0; border-bottom: 1px solid var(--wb-line); }
  .ea-product-sidebar b, .ea-product-sidebar p, .ea-user { display: none; }
  .ea-product-sidebar button { width: auto; margin: 0; padding: 8px 10px; font-size: 12.5px; }
  .ea-flow { grid-template-columns: 1fr; }
  .ea-flow-rail { display: none; }
  .ea-demo-switcher { grid-template-columns: 1fr 1fr; }
  .ea-demo-switcher button:nth-child(2) { border-right: 0; }
  .ea-demo-switcher button:nth-child(n+3) { border-top: 1px solid var(--wb-line); }
  .ea-map { height: auto; padding: 24px 20px 90px; }
  .ea-map svg { display: none; }
  .ea-map-sources { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 24px; }
  .ea-map-sources span { position: static; transform: none; font-size: 13px; padding: 8px 12px; }
  .ea-map-core { position: static; transform: none; margin: 0 auto 20px; width: 200px; box-shadow: none; }
  .ea-map-output { position: static; transform: none; flex-wrap: wrap; justify-content: center; }
  .ea-map-status { position: static; max-width: none; text-align: center; margin-top: 18px; }
}
@media (max-width: 600px) {
  .ea-hero h1 { font-size: 36px; }
  .ea-product-top { gap: 8px; padding: 12px 14px; }
  .ea-demo-control { padding: 4px; }
  .ea-demo-control span { display: none; }
  .ea-product-main { padding: 20px 18px; }
  .ea-question-row { grid-template-columns: 28px minmax(0, 1fr); gap: 9px; }
  .ea-question-avatar { width: 28px; height: 28px; font-size: 11px; }
  .ea-query-context small { display: none; }
  .ea-metrics { grid-template-columns: 1fr; }
  .ea-insight { grid-template-columns: 22px 1fr; }
  .ea-insight button { grid-column: 2; justify-self: start; }
  .ea-example-stage { padding: 20px 18px 24px; }
  .ea-auto-bar { margin-bottom: 18px; }
  .ea-chat-answer { padding: 18px 16px; }
  .ea-answer-lead { grid-template-columns: 1fr; }
  .ea-answer-lead > div { text-align: left; padding-left: 0; border-left: 0; }
  .ea-evolution-track { grid-template-columns: 1fr; }
  .ea-delivery-list article { grid-template-columns: 56px 1fr; }
  .ea-delivery-list em { grid-column: 2; justify-self: start; }
  .ea-permission-demo { padding: 20px 18px 16px; }
  .ea-permission-row { grid-template-columns: 1fr 28px; }
  .ea-permission-row b { grid-column: 1; }
  .ea-permission-row i { grid-row: 1 / 3; }
}

@media (prefers-reduced-motion: reduce) {
  .ea-product-main h2.is-typing::after, .ea-chat-user p.is-typing::after, .ea-reasoning em u, .ea-auto-bar > span i, .ea-example-progress span.running { animation: none !important; }
  .ea-hero-product.is-answering .ea-briefing, .ea-example-stage.has-answer .ea-answer-lead { animation: none !important; }
}