:root{--ink:#0a1835;--blue:#0752ff;--muted:#596981;--line:#dce6f4;--soft:#f4f8ff;font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--ink);font-size:16px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:#fff}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}a{color:inherit;text-decoration:none}p{line-height:1.65}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #0752ff;outline-offset:5px}button:active,.primary:active{transform:scale(.98)}.wrap{max-width:1280px;margin-inline:auto;padding-inline:44px}.skip{position:absolute;left:16px;top:-100px;z-index:999;background:white;padding:15px}.skip:focus{top:10px}.eyebrow{font-size:11px;font-weight:750;letter-spacing:.18em;color:var(--blue);margin:0 0 22px}.hero{display:grid;grid-template-columns:1fr 1fr;gap:30px;padding-top:65px;padding-bottom:60px;min-height:710px}.hero-copy{position:relative;z-index:2}.scope{font-size:11px;color:var(--muted);display:inline-block;border:1px solid var(--line);padding:7px 11px;border-radius:30px;margin-bottom:25px}h1,h2,h3,h4,p{margin-top:0}h1{font-size:clamp(3rem,5.3vw,5rem);line-height:1.02;letter-spacing:-.065em;font-weight:730;margin-bottom:26px}em{font-style:normal;color:var(--blue)}.lead{font-size:18px;max-width:470px;color:var(--muted)}.lead strong{color:var(--ink);font-weight:600}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:23px;margin-top:30px}.primary{display:inline-flex;align-items:center;gap:28px;background:var(--blue);color:#fff;border-radius:9px;padding:16px 23px;font-weight:650;font-size:14px;box-shadow:0 8px 20px #0752ff1a}.text-link{color:var(--blue);font-size:13px;font-weight:600;display:inline-block}.hero-note{font-size:11px;color:var(--muted);margin:24px 0 0}.hero-art{position:relative;min-width:0;min-height:520px;border-radius:30px;background:linear-gradient(135deg,#f9fbff,#ecf3ff);isolation:isolate;overflow:hidden;border:1px solid #eaf0fa}.orb{position:absolute;width:350px;height:350px;border-radius:50%;background:radial-gradient(circle,#d8e7ff 0%,#edf3ff 60%,#edf3ff00 70%);top:80px;right:30px;z-index:-1}.product-hero{width:90%;height:90%;object-fit:contain;position:absolute;left:6%;top:0;filter:drop-shadow(0 28px 20px #1a356323);transform:rotate(-8deg)}.art-label{position:absolute;top:25px;left:25px;font-size:9px;letter-spacing:.15em;color:#586b91}.callout{position:absolute;background:#ffffffee;border:1px solid white;border-radius:12px;box-shadow:0 12px 35px #23458116;padding:15px 18px;backdrop-filter:blur(14px)}.callout span{display:block;font-size:9px;font-weight:700;letter-spacing:.12em;color:var(--blue);margin-bottom:7px}.callout strong{font-size:13px;display:block}.callout small{display:block;font-size:10px;color:var(--muted);margin-top:7px}.callout-one{left:20px;top:120px}.callout-two{right:18px;bottom:90px}.art-foot{position:absolute;bottom:24px;left:24px;right:24px;display:flex;justify-content:space-between;gap:7px;font-size:9px;color:#526786;border-top:1px solid #cfdbef;padding-top:17px}.promise-strip{border-block:1px solid var(--line);background:#fafcff}.promise-strip .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:90px;font-size:18px}.promise-strip span{font-size:12px;color:var(--muted)}.promise-strip b{font-weight:400;color:#a4b6d4}.section{padding-block:90px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:35px}.section-heading h2{margin:0;font-size:clamp(2rem,3.7vw,3.5rem);line-height:1.08;letter-spacing:-.05em}.section-heading>p{font-size:14px;color:var(--muted);max-width:400px;margin:0}.muted{font-size:12px;color:var(--muted)}.question{display:flex;align-items:center;gap:16px;margin-bottom:24px;padding:20px 23px;background:#f7f9fc;border-radius:16px}.question-icon{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:var(--blue);background:#e9efff;font-weight:750}.question small{font-size:9px;letter-spacing:.12em;font-weight:700;color:var(--muted)}.choice{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.choice button{border:1px solid var(--line);background:white;border-radius:6px;padding:10px 14px;font-size:12px;color:var(--ink);min-height:40px}.choice button[aria-pressed=true]{background:var(--ink);color:white;border-color:var(--ink)}.comparison-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.product-card{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff}.after{border-color:#b8ceff;box-shadow:0 12px 45px #0752ff0b}.card-top{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:20px 23px;border-bottom:1px solid var(--line);font-size:9px;font-weight:750;letter-spacing:.07em}.state{font-size:9px;font-weight:500;letter-spacing:0;color:var(--muted)}.good{color:#167a56;background:#e9f8ef;padding:6px 9px;border-radius:20px}.mini-product{display:flex;align-items:center;gap:22px;background:#f8fafc;padding:16px 24px;min-height:205px}.after .mini-product{background:linear-gradient(115deg,#f3f7ff,#faffff)}.mini-product img{width:155px;height:170px;object-fit:contain;filter:drop-shadow(0 8px 7px #2236521a)}.mini-product small{font-size:9px;letter-spacing:.16em;color:var(--muted)}.mini-product h3{font-size:24px;letter-spacing:-.04em;line-height:1.15;margin:9px 0 15px}.mini-tag{font-size:9px;color:var(--muted)}.answer-block{padding:26px;min-height:275px}.tiny{display:block;font-size:9px;font-weight:700;color:var(--muted);letter-spacing:.12em;margin-bottom:13px}.answer-block h4{font-size:19px;letter-spacing:-.025em;margin-bottom:12px}.answer-block p{font-size:13px;color:var(--muted);min-height:64px;margin-bottom:17px}.missing{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}.missing span{color:#836f55;border:1px dashed #d9ccbd;border-radius:6px;font-size:10px;padding:8px}.power-diagram{display:flex;align-items:center;gap:20px;border-radius:10px;background:#f0f5ff;padding:17px 20px}.power-diagram div{flex:1}.power-diagram strong{display:block;font-size:27px;letter-spacing:-.04em;color:var(--blue)}.power-diagram span{display:block;font-size:9px;color:#4c668a}.power-diagram .power-divider{font-size:21px;color:#9eb5df}.source{font-size:10px;color:var(--blue);display:inline-block;margin-top:15px}.takeaway{display:flex;align-items:center;gap:30px;background:#eef5ff;border-radius:12px;padding:20px 24px;margin-top:23px}.takeaway>span{font-size:9px;letter-spacing:.12em;color:var(--blue);font-weight:750;flex-shrink:0}.takeaway p{font-size:13px;margin:0}.channels{background:#f5f8fe;padding-block:90px}.channel-layout{display:grid;grid-template-columns:340px 1fr;gap:28px}.channel-menu{display:flex;flex-direction:column;gap:12px}.channel-menu button{text-align:left;border:1px solid var(--line);background:white;border-radius:15px;padding:25px;position:relative;color:var(--ink)}.channel-menu button>span{display:block;color:var(--blue);font-size:23px;letter-spacing:-.04em;font-weight:750;margin-bottom:15px}.channel-menu strong{font-size:15px;display:block}.channel-menu small{display:block;font-size:11px;color:var(--muted);margin-top:8px}.channel-menu b{position:absolute;right:23px;top:25px;color:var(--blue)}.channel-menu button[aria-pressed=true]{background:var(--blue);border-color:var(--blue);box-shadow:0 12px 30px #0752ff22}.channel-menu button[aria-pressed=true] span,.channel-menu button[aria-pressed=true] strong,.channel-menu button[aria-pressed=true] b{color:white}.channel-menu button[aria-pressed=true] small{color:#d8e5ff}.channel-stage{background:white;border:1px solid var(--line);border-radius:20px;padding:27px 32px;min-width:0}.surface-caption{display:flex;justify-content:space-between;font-size:9px;letter-spacing:.12em;color:var(--muted);margin-bottom:20px}.channel-art{min-height:220px;background:#fafcff;border:1px solid #e5ecf7;border-radius:12px;padding:25px}.search-domain{font-size:10px;color:#4e607c;margin-bottom:12px;display:flex;align-items:center;gap:8px}.search-domain i{width:17px;height:17px;border-radius:50%;background:var(--blue)}.search-title{font-size:21px;line-height:1.25;color:#164ad3;font-weight:600;letter-spacing:-.025em;margin-bottom:12px}.search-snippet{font-size:13px;color:var(--muted);line-height:1.65}.query-label{font-size:10px;display:inline-block;background:#eaf0ff;padding:7px 11px;border-radius:25px;color:var(--blue);margin-bottom:16px}.answer-visual{display:flex;gap:15px;align-items:flex-start}.answer-avatar{flex:none;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#e8f1ff;color:var(--blue)}.answer-visual p{font-size:14px;margin:0}.answer-visual small{color:#5e7395;font-size:10px}.compare-table{width:100%;border-collapse:collapse;font-size:12px}.compare-table th{text-align:left;font-size:9px;color:var(--muted);letter-spacing:.05em}.compare-table td,.compare-table th{padding:11px 7px;border-bottom:1px solid var(--line)}.compare-table td:last-child{font-weight:700;color:#14765a}.channel-explanation h3{font-size:22px;letter-spacing:-.035em;margin:26px 0 12px}.channel-explanation>p{font-size:13px;color:var(--muted)}.deliverable{border-top:1px solid var(--line);padding-top:16px}.deliverable small{font-size:9px;letter-spacing:.12em;color:var(--blue);font-weight:750}.deliverable p{font-size:12px;margin:7px 0 0}.channel-note{font-size:11px;color:var(--muted);max-width:900px;margin:26px 0 0}.channel-note a{color:var(--blue)}.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.process-grid article{border:1px solid var(--line);border-radius:18px;padding:25px}.number{font-size:12px;color:var(--blue);font-weight:750}.process-visual{height:165px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:11px;background:#f6f9ff;border-radius:12px;margin:18px 0 23px}.question-bubble{background:white;padding:12px;border-radius:9px;box-shadow:0 6px 15px #2544850c;font-size:11px}.fact-chip{font-size:9px;background:#e6eeff;color:var(--blue);padding:7px 11px;border-radius:5px}.visual-line{height:20px;border-left:1px dashed #7b9ade}.fact-stack{width:65%;display:grid;gap:7px}.fact-stack span{background:white;padding:8px 12px;border-radius:6px;font-size:10px;display:flex;justify-content:space-between}.fact-stack b{color:#188561}.loop{font-size:50px;color:var(--blue);line-height:1}.process-grid h3{font-size:20px;letter-spacing:-.04em}.process-grid p{font-size:13px;color:var(--muted)}.process-grid small{font-size:9px;color:var(--blue)}.mechanism{margin-top:25px;border:1px solid var(--line);border-radius:12px;padding:22px}.mechanism summary{list-style:none;display:flex;justify-content:space-between;font-size:13px;font-weight:650;cursor:pointer}.mechanism summary span{color:var(--blue)}.mechanism-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;padding-top:25px}.mechanism-grid b{font-size:11px;color:var(--blue)}.mechanism p{font-size:12px;color:var(--muted)}.mechanism a{color:var(--blue);font-size:12px}.measure{padding-block:90px;background:#f6f9fe}.evidence-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.evidence-grid article{background:white;border:1px solid var(--line);border-radius:15px;padding:22px;display:flex;flex-direction:column}.evidence-symbol{color:var(--blue);font-size:35px;line-height:1;margin-bottom:24px}.evidence-grid small{font-size:8px;letter-spacing:.08em;color:var(--muted);font-weight:700}.evidence-grid h3{font-size:18px;letter-spacing:-.035em;margin:13px 0 8px}.evidence-grid p{font-size:12px;color:var(--muted)}.evidence-status{font-size:9px;padding-top:15px;border-top:1px solid var(--line);color:#586d90;margin-top:auto}.monitor-demo{background:white;border:1px solid var(--line);border-radius:15px;padding:25px;margin-top:23px}.monitor-demo>div:first-child{font-size:12px;margin-bottom:18px}.live-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#8da2bf;margin-right:8px}.journal-row{display:grid;grid-template-columns:150px 1fr 180px;gap:16px;font-size:11px;border-top:1px solid var(--line);padding:17px 0;align-items:center}.journal-row span{color:var(--muted)}.journal-row b{font-weight:550}.journal-row em{font-size:10px;color:var(--muted);text-align:right}.closing{padding-block:100px;text-align:center}.closing h2{font-size:clamp(2.5rem,4.5vw,4rem);line-height:1.07;letter-spacing:-.055em}.closing p:not(.eyebrow){font-size:15px;color:var(--muted);max-width:540px;margin:25px auto}.closing .text-link{display:block;margin-top:22px}footer{border-top:1px solid var(--line);padding-block:25px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:10px;color:var(--muted)}footer a{color:var(--blue)}.source-details{width:100%;padding-top:12px}.source-details summary{cursor:pointer}.source-details a{display:inline-block;margin:8px 20px 8px 0}.source-details p{max-width:900px}
@media(min-width:1600px){.hero{padding-top:90px}.hero-art{min-height:580px}}
@media(max-width:1000px){.wrap{padding-inline:28px}.hero{min-height:0;gap:15px}.hero-art{min-height:480px}.callout-one{top:100px;left:12px}.callout-two{right:12px;bottom:70px}.callout{padding:11px}.callout strong{font-size:11px}.channel-layout{grid-template-columns:290px 1fr}.evidence-grid{grid-template-columns:repeat(2,1fr)}.mini-product{gap:8px;padding:16px}.mini-product img{width:120px}.card-top{flex-wrap:wrap}.journal-row{grid-template-columns:130px 1fr 160px}}
@media(max-width:720px){html{scroll-padding-top:85px}.wrap{padding-inline:22px}.hero{grid-template-columns:1fr;padding-top:38px;padding-bottom:40px;gap:30px}h1{font-size:3.2rem}.lead{font-size:16px}.hero-art{min-height:450px}.scope{font-size:10px}.product-hero{width:95%;left:3%;height:93%}.callout-one{top:95px}.callout-two{bottom:75px}.promise-strip .wrap{flex-wrap:wrap;justify-content:flex-start;gap:12px;padding-block:22px;font-size:13px}.promise-strip span{width:100%;font-size:11px}.section,.channels,.measure{padding-block:58px}.section-heading{display:block}.section-heading h2{font-size:2.4rem}.section-heading>p{margin-top:23px}.question{padding:18px 14px;gap:10px}.question-icon{display:none}.choice{gap:6px}.choice button{padding:10px;font-size:11px}.comparison-grid{grid-template-columns:1fr}.mini-product{padding:18px 22px;gap:23px}.mini-product img{width:140px}.answer-block{min-height:0;padding:23px}.takeaway{display:block}.takeaway p{margin-top:9px}.channel-layout{grid-template-columns:1fr}.channel-menu{flex-direction:row;gap:7px}.channel-menu button{flex:1;padding:16px 12px;min-width:0}.channel-menu button>span{font-size:18px;margin-bottom:9px}.channel-menu strong{font-size:10px}.channel-menu small,.channel-menu b{display:none}.channel-stage{padding:20px}.channel-art{padding:19px;min-height:210px}.process-grid{grid-template-columns:1fr}.process-grid article{padding:24px}.process-visual{height:140px}.mechanism-grid{grid-template-columns:1fr 1fr}.evidence-grid{gap:10px}.evidence-grid article{padding:17px}.evidence-grid h3{font-size:16px}.evidence-grid small{font-size:7px}.monitor-demo{padding:20px}.journal-row{grid-template-columns:1fr;gap:7px}.journal-row em{text-align:left}.closing{padding-block:70px}.closing h2{font-size:2.5rem}footer{gap:14px}.art-foot{font-size:8px;left:18px;right:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media(prefers-reduced-transparency:reduce){.callout{background:white;backdrop-filter:none}}@media(prefers-contrast:more){:root{--muted:#34455f;--line:#899bb4}.callout{background:white}}

html[lang="zh-CN"] h1,html[lang="zh-CN"] h2{letter-spacing:-.035em;line-height:1.18}html[lang="zh-CN"] .eyebrow{letter-spacing:.1em}html[lang="zh-CN"] h1{font-size:clamp(2.6rem,4.5vw,4.3rem)}
/* Match all four scopes to the same explainer structure. */
.channel-menu{gap:10px}.channel-menu button{padding-block:22px}.channel-menu button>span{font-size:25px;margin-bottom:10px}
@media(max-width:720px){.channel-menu{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.channel-menu button{padding:16px;text-align:left}.channel-menu button>span{font-size:19px}.channel-menu strong{font-size:11px;line-height:1.5}}
.channels{position:relative}.aao-anchor{position:absolute;top:0;scroll-margin-top:85px}