/* Acumen continuous homepage preview. Every rule is scoped; other pages retain their styles. */
.acu-home{--acu-paper:#f8f9f6;--acu-ink:#183745;--acu-muted:#61747a;--acu-line:#d7e0dc;--acu-blue:#186b8c;--acu-header-height:84px;--acu-stage-height:calc(100svh - var(--acu-header-height));--acu-progress:0;background:var(--acu-paper);color:var(--acu-ink);position:relative;overflow:clip;font-family:'Source Han Sans SC','Noto Sans CJK SC','Microsoft YaHei',Arial,sans-serif}
.acu-home *{box-sizing:border-box}.acu-home a{color:inherit}.acu-home h1,.acu-home h2{color:var(--acu-ink)}.acu-home button,.acu-home a{-webkit-tap-highlight-color:transparent}.acu-home button:focus-visible,.acu-home a:focus-visible{outline:2px solid var(--acu-blue);outline-offset:6px}
.acu-journey-stage{position:sticky;top:var(--acu-header-height);height:var(--acu-stage-height);min-height:580px;margin-bottom:calc(-1 * max(var(--acu-stage-height),580px));pointer-events:none;isolation:isolate;z-index:1}
.acu-scene-overline{position:absolute;left:6%;top:26px;display:flex;align-items:center;gap:16px;color:#7d8c8f;font:10px/1.5 Arial,sans-serif;letter-spacing:.15em;z-index:3}
.acu-overline-rule{display:inline-block;width:28px;height:1px;background:#b9c6c5}
.acu-scene-visual{position:absolute;left:40%;right:0;top:3%;bottom:10%;pointer-events:auto;touch-action:pan-y}
.acu-scene-visual:after{content:'';position:absolute;bottom:9%;left:10%;right:10%;height:7%;background:radial-gradient(ellipse at center,#536b7622 0%,#536b7600 68%);filter:blur(17px);pointer-events:none;opacity:.45}
.acu-scene-visual canvas{display:block;width:100%;height:100%;position:absolute;inset:0;z-index:1}
.acu-posters{position:absolute;inset:0;pointer-events:none;opacity:1;transition:opacity .3s}
.acu-posters img{position:absolute;inset:0;object-fit:contain;width:100%;height:100%;opacity:0;transition:opacity .65s}
.acu-home[data-chapter="0"] [data-acu-poster="0"],.acu-home[data-chapter="1"] [data-acu-poster="1"],.acu-home[data-chapter="2"] [data-acu-poster="2"],.acu-home[data-chapter="3"] [data-acu-poster="3"]{opacity:1}
.acu-motion-ready .acu-posters{opacity:0}
.acu-visual-caption{position:absolute;left:12%;right:10%;bottom:-3%;display:flex;justify-content:space-between;gap:20px;color:#93a09f;font:9px/1.6 Arial,'Microsoft YaHei',sans-serif;letter-spacing:.12em;z-index:3}
.acu-scene-markers{position:absolute;inset:0;pointer-events:none;z-index:4}
.acu-scene-markers>[data-acu-marker]{position:absolute;display:inline-flex;align-items:center;gap:9px;white-space:nowrap;font-size:10px;color:#365666;padding:7px 10px;background:#f8f9f6e8;border:1px solid #c5d1d0;border-radius:2px;opacity:0;pointer-events:none;transform:translate(-50%,-50%);transition:opacity .35s,background .2s}
.acu-scene-markers a:hover{background:#fff}.acu-scene-markers b{font-weight:400;font-size:14px}.acu-scene-markers i{width:4px;height:4px;border-radius:50%;background:#4c7a8b}
.acu-journey-hud{position:absolute;left:6%;right:5%;bottom:24px;display:flex;align-items:center;gap:28px;pointer-events:auto;z-index:6}
.acu-chapter-nav{display:flex;gap:22px}.acu-chapter-nav button{padding:9px 0;border:0;background:none;display:flex;gap:8px;color:#8c9a9b;align-items:center;font-size:10px;white-space:nowrap;transition:color .25s;cursor:pointer}.acu-chapter-nav small{font:10px/1.5 Arial,sans-serif;opacity:.65}.acu-chapter-nav [aria-current]{color:#183745}.acu-chapter-nav [aria-current] small{color:#186b8c;opacity:1}.acu-play-controls{margin-left:auto;display:flex;align-items:center;gap:15px}.acu-play-controls button{background:none;border:0;color:#52717c;cursor:pointer;display:inline-flex;align-items:center;gap:7px;font:11px/1.6 Arial,'Microsoft YaHei',sans-serif;padding:8px 0}.acu-play-controls button[aria-pressed="true"]{color:#126c90}.acu-play-controls [data-acu-pause]{border-left:1px solid #d7e0dc;padding-left:15px;font-size:14px;min-width:30px}.acu-scroll-hint{font-size:10px;color:#8a9c9f;display:flex;gap:10px;margin-left:12px}.acu-scroll-hint span{font-size:16px}
.acu-journey-progress{position:absolute;left:0;right:0;bottom:0;height:2px;background:#e5eae5}.acu-journey-progress i{display:block;height:100%;width:100%;transform:scaleX(var(--acu-progress));transform-origin:left;background:#7e9eaa;transition:transform .05s linear}
.acu-journey-content{position:relative;pointer-events:none;z-index:2}.acu-chapter{width:44%;margin-left:6%;min-height:calc(var(--acu-stage-height) * 1.48);display:flex;align-items:center;padding:85px 0 125px;pointer-events:none;scroll-margin-top:var(--acu-header-height)}.acu-chapter:first-child{min-height:calc(var(--acu-stage-height) * 1.25);align-items:flex-start;padding-top:clamp(150px,23svh,260px)}.acu-chapter:last-child{min-height:calc(var(--acu-stage-height) * 1.48)}.acu-chapter-copy{width:100%;max-width:570px;pointer-events:auto;padding-right:clamp(15px,2.2vw,45px)}
.acu-eyebrow{margin:0 0 26px;font:10px/1.5 Arial,'Microsoft YaHei',sans-serif;letter-spacing:.13em;color:#6a858c;display:flex;align-items:center;gap:17px}.acu-eyebrow>span{font-size:9px;letter-spacing:.14em;opacity:.65}
.acu-home .acu-chapter h1,.acu-home .acu-chapter h2{font-family:'Noto Serif SC','Songti SC','STSong','SimSun',serif;font-size:clamp(34px,3.35vw,60px);line-height:1.43;font-weight:500;letter-spacing:-.04em;margin:0 0 28px;word-break:keep-all;overflow-wrap:normal;text-wrap:balance}
.acu-home .acu-lead{font-size:clamp(16px,1.25vw,21px);line-height:1.8;margin:0 0 12px;color:#304f5d}.acu-home .acu-body-copy{font-size:clamp(13px,1.05vw,16px);line-height:2.05;max-width:31em;color:var(--acu-muted);margin:0 0 21px;text-wrap:pretty}.acu-home .acu-company-copy{font-size:13px;line-height:2;color:#7a8b8e;max-width:33em}.acu-text-link{display:inline-flex;gap:28px;align-items:center;padding:8px 0;border-bottom:1px solid #a9bbb9;font-size:12px;line-height:1.5;white-space:nowrap}.acu-text-link span,.acu-primary-link span{font:18px/1 Arial,sans-serif;transition:transform .2s}.acu-text-link:hover span,.acu-primary-link:hover span{transform:translate(3px,-3px)}.acu-opening-note{display:flex;align-items:center;gap:9px;font-size:10px;color:#879a9c;margin-top:50px}.acu-live-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:#6b939d;box-shadow:0 0 0 4px #dce6e244}.acu-copy-links{display:flex;align-items:center;gap:30px;flex-wrap:wrap}.acu-secondary-link{border-color:transparent;color:#66818a!important}
.acu-facts{display:flex;gap:50px;margin:30px 0 25px;border-top:1px solid var(--acu-line);padding-top:24px;max-width:390px}.acu-facts dt{font:400 clamp(24px,2.2vw,34px)/1.1 Georgia,serif;color:#274d61;letter-spacing:-.03em}.acu-facts dt small{font:11px Arial,sans-serif;letter-spacing:0}.acu-facts dd{margin:10px 0 0;font-size:10px;color:#819296}
.acu-product-list{max-width:420px;margin:26px 0 20px;border-top:1px solid var(--acu-line)}.acu-product-list a{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--acu-line);padding:13px 2px 13px 0;gap:14px;transition:padding .2s,color .2s}.acu-product-list a:hover{padding-left:9px;color:var(--acu-blue)}.acu-product-list strong{font-size:13px;font-weight:500;display:block}.acu-product-list small{font-size:10px;color:#88989c;margin-top:4px;display:block}.acu-product-list b{font:18px/1 Arial,sans-serif;font-weight:400;color:#79959c}
.acu-process{list-style:none;padding:0;margin:25px 0 28px;display:grid;gap:20px}.acu-process li{display:flex;gap:16px}.acu-process li>span{color:#8aa0a7;font:10px/1.5 Arial,sans-serif;padding-top:4px}.acu-process strong{font-size:13px;font-weight:500;display:block}.acu-process p{font-size:11px;line-height:1.8;color:#829398;margin:4px 0 0}.acu-primary-link{display:inline-flex;align-items:center;gap:35px;background:#204a60;color:#fff!important;padding:15px 23px;font-size:12px;transition:background .25s}.acu-primary-link:hover{background:#286780}
/* Static/readable fallback remains a four-chapter page. */
.acu-static-scene .acu-play-controls{display:none}.acu-static-scene .acu-scene-visual canvas{display:none}.acu-static-scene .acu-posters{opacity:1}.acu-static-scene .acu-scene-markers{display:none}
@media(min-width:1700px){.acu-chapter-copy{max-width:650px}.acu-scene-visual{left:39%;right:1%}.acu-home .acu-body-copy{font-size:17px}.acu-home .acu-chapter h1,.acu-home .acu-chapter h2{font-size:62px}}
@media(max-width:1100px){.acu-chapter{width:45%;margin-left:5%}.acu-scene-overline,.acu-journey-hud{left:5%}.acu-scene-visual{left:40%;right:-2%}.acu-chapter-nav{gap:15px}.acu-chapter-nav button{gap:5px}.acu-scroll-hint{display:none}.acu-home .acu-chapter h1,.acu-home .acu-chapter h2{font-size:clamp(32px,3.7vw,43px)}.acu-facts{gap:30px}.acu-copy-links{gap:17px}}
@media(max-width:760px){
 .acu-home{--acu-header-height:70px}.acu-journey-stage{min-height:550px;margin-bottom:calc(-1 * max(var(--acu-stage-height),550px))}.acu-scene-overline{top:18px;left:6%;font-size:8px;gap:10px}.acu-scene-overline>span:last-child{display:none}.acu-overline-rule{width:35px}
 .acu-scene-visual{left:0;right:0;top:45%;bottom:9%;pointer-events:none}.acu-scene-visual:after{bottom:0}.acu-visual-caption{font-size:7px;left:7%;right:7%;bottom:0}.acu-scene-markers{display:none}
 .acu-chapter{width:88%;margin-left:6%;min-height:calc(var(--acu-stage-height) * 1.6);padding:0 0 calc(var(--acu-stage-height) * .48);align-items:center}.acu-chapter:first-child{min-height:calc(var(--acu-stage-height) * 1.4);padding-top:76px;padding-bottom:0;align-items:flex-start}.acu-chapter:last-child{min-height:calc(var(--acu-stage-height) * 1.65)}.acu-chapter-copy{max-width:520px;padding:20px 0 28px;background:linear-gradient(180deg,#f8f9f6 0%,#f8f9f6fa 90%,#f8f9f600 100%)}
 .acu-eyebrow{font-size:8px;margin-bottom:14px;gap:12px}.acu-eyebrow>span{font-size:8px}.acu-home .acu-chapter h1,.acu-home .acu-chapter h2{font-size:clamp(30px,7.4vw,44px);line-height:1.4;margin-bottom:18px}.acu-home .acu-lead{font-size:15px;margin-bottom:8px}.acu-home .acu-body-copy{font-size:12px;line-height:1.85;margin-bottom:15px;max-width:36em}.acu-home .acu-company-copy{font-size:11px;line-height:1.8}.acu-opening-note{margin-top:22px;font-size:9px}.acu-text-link{font-size:11px;padding:6px 0}.acu-facts{margin:19px 0 15px;padding-top:16px;gap:45px}.acu-facts dt{font-size:25px}.acu-facts dd{font-size:9px}.acu-product-list{margin:17px 0 12px;max-width:none;display:grid;grid-template-columns:1fr 1fr;column-gap:20px}.acu-product-list a{padding:10px 0}.acu-product-list a:last-child{grid-column:1/-1}.acu-product-list strong{font-size:11px}.acu-product-list small{font-size:8px;line-height:1.6}.acu-process{gap:14px;margin:18px 0 20px}.acu-process strong{font-size:12px}.acu-process p{font-size:10px}.acu-primary-link{font-size:11px;padding:13px 17px;gap:25px}
 .acu-journey-hud{left:6%;right:6%;bottom:16px;gap:12px}.acu-chapter-nav{gap:17px}.acu-chapter-nav button{padding:7px 0;gap:0}.acu-chapter-nav small{font-size:11px}.acu-chapter-nav span{display:none}.acu-chapter-nav [aria-current] small{border-bottom:1px solid #457b8c;padding-bottom:4px}.acu-play-controls{gap:12px}.acu-play-controls button{font-size:10px}.acu-play-controls [data-acu-pause]{padding-left:11px;font-size:12px}
}
@media(max-width:380px){.acu-home .acu-chapter h1,.acu-home .acu-chapter h2{font-size:28px}.acu-chapter-nav{gap:13px}.acu-home .acu-body-copy{font-size:11px}.acu-company-copy{display:none}.acu-opening-note{font-size:8px}}
@media(prefers-reduced-motion:reduce){.acu-home *, .acu-home *:before,.acu-home *:after{transition:none!important;scroll-behavior:auto!important}.acu-static-scene .acu-chapter{min-height:var(--acu-stage-height)}}