:root{--blue:#2a80b9;--blue-dark:#155a88;--ink:#102a3a;--muted:#536b79;--soft:#eef6fa;--line:#cfdee6;--white:#fff;--lime:#d9f44a;--radius:1.5rem;--shadow:0 24px 80px rgba(20,64,88,.12);--container:min(1200px,calc(100vw - 40px));font-size:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:"Microsoft YaHei","PingFang SC",system-ui,-apple-system,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}a,button,input,label,textarea{touch-action:manipulation}button,input,textarea{font:inherit}.container{width:var(--container);margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;z-index:1000;left:1rem;top:1rem;background:#fff;color:#000;padding:.7rem 1rem;transform:translateY(-200%);box-shadow:var(--shadow)}.skip-link:focus{transform:none}:focus-visible{outline:3px solid #ffbf00;outline-offset:3px}h1,h2,h3{text-wrap:balance}h1,h2,h3{scroll-margin-top:100px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.93);border-bottom:1px solid transparent;backdrop-filter:blur(18px);transition:border-color .2s,box-shadow .2s}.site-header.is-scrolled{border-color:var(--line);box-shadow:0 8px 24px rgba(15,50,70,.06)}.nav-shell{min-height:84px;display:flex;align-items:center;justify-content:space-between;gap:2rem}.brand{display:flex;align-items:center;gap:.7rem;flex:none}.brand img{border-radius:12px}.brand span{display:flex;flex-direction:column;line-height:1.1}.brand strong{font-size:1.13rem;letter-spacing:.08em}.brand small{margin-top:.35rem;color:var(--muted);font-size:.61rem;letter-spacing:.18em}.site-nav{display:flex;align-items:center;gap:1.45rem;font-size:.9rem;font-weight:650}.site-nav>a{position:relative;padding:.55rem 0}.site-nav>a:not(.nav-cta)::after{content:"";position:absolute;left:0;right:100%;bottom:.2rem;height:2px;background:var(--blue);transition:right .2s}.site-nav>a:hover::after,.site-nav>a[aria-current="page"]::after{right:0}.nav-cta{background:var(--ink);color:#fff!important;border-radius:999px;padding:.75rem 1.15rem!important}.nav-cta:hover{background:var(--blue)}.nav-toggle{display:none;width:44px;height:44px;border:0;background:transparent;padding:9px}.nav-toggle>span:not(.sr-only){display:block;height:2px;background:var(--ink);margin:5px 0;transition:.2s}
.hero{position:relative;min-height:calc(100vh - 84px);padding:clamp(4rem,7vw,7.5rem) 0 5rem;overflow:hidden;background:linear-gradient(135deg,#fff 0 53%,#eef7fb 53% 100%)}.hero::before{content:"";position:absolute;inset:auto -10vw -25vw auto;width:54vw;aspect-ratio:1;border-radius:50%;border:1px solid rgba(42,128,185,.22)}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:clamp(3rem,6vw,7rem)}.eyebrow{margin:0 0 1.1rem;color:var(--blue-dark);font-size:.78rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.hero h1,.subhero h1{margin:0;max-width:900px;font-size:clamp(3rem,6.5vw,6.7rem);font-weight:760;line-height:1.02;letter-spacing:-.055em}.hero h1 em{font-style:normal;color:var(--blue)}.hero-lead{max-width:680px;margin:2rem 0 0;color:var(--muted);font-size:clamp(1rem,1.3vw,1.18rem)}.button-row{display:flex;align-items:center;flex-wrap:wrap;gap:1rem;margin-top:2.3rem}.button{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:.75rem 1.25rem;border:1px solid transparent;border-radius:999px;font-weight:750;cursor:pointer;transition:transform .2s,background .2s,color .2s,border-color .2s}.button:hover{transform:translateY(-2px)}.button--primary{background:var(--blue);color:#fff}.button--primary:hover{background:var(--blue-dark)}.button--text{padding-inline:.2rem;border-radius:0;border-bottom:1px solid var(--ink)}.button--light{background:#fff;color:var(--ink)}.button--outline{border-color:var(--blue);color:var(--blue-dark)}
.network-stage{position:relative;min-height:540px;isolation:isolate}.network-stage::before{content:"";position:absolute;inset:12% 8%;border-radius:50%;background:radial-gradient(circle at center,rgba(42,128,185,.16),transparent 65%)}.orbit{position:absolute;inset:14%;border:1px solid rgba(42,128,185,.3);border-radius:50%}.orbit--two{inset:28% 4%;border-style:dashed}.network-node{position:absolute;z-index:2;display:grid;place-items:center;text-align:center;border-radius:50%;background:#fff;border:1px solid var(--line);box-shadow:0 12px 36px rgba(16,42,58,.12);font-weight:800;transition:transform .25s,box-shadow .25s}.network-node:hover{transform:translateY(-5px) scale(1.02);box-shadow:0 20px 46px rgba(16,42,58,.18)}.node--center{inset:50% auto auto 50%;width:154px;aspect-ratio:1;transform:translate(-50%,-50%);background:var(--blue);color:#fff;border:0;font-size:1.65rem;line-height:1.15}.node--center:hover{transform:translate(-50%,-52%)}.node--company{width:126px;aspect-ratio:1;top:3%;left:12%}.node--student{width:144px;aspect-ratio:1;right:0;top:20%;background:var(--lime);border:0}.node--campus{width:116px;aspect-ratio:1;left:2%;bottom:7%;background:var(--ink);color:#fff}.node--public{width:134px;aspect-ratio:1;right:12%;bottom:2%}.hero-note{position:absolute;left:max(20px,calc((100vw - 1200px)/2));bottom:1.4rem;display:flex;gap:1rem;color:var(--muted);font-size:.82rem}.hero-note span{color:var(--blue);font-weight:800}
.section{padding:clamp(5rem,9vw,9rem) 0}.section--intro{background:#fff}.section--soft{background:var(--soft)}.split-heading{display:grid;grid-template-columns:.42fr 1fr;gap:6vw}.split-heading h2,.section-heading h2,.process-copy h2,.proof-copy h2,.closing-cta h2,.guardrails h2,.vision-grid h2,.goal-grid h2,.model-grid h2{margin:0;font-size:clamp(2rem,4.3vw,4.5rem);line-height:1.1;letter-spacing:-.045em}.split-heading>div>p,.section-heading>p:last-child,.process-copy>p,.proof-copy>p,.closing-cta p:not(.eyebrow),.goal-grid p,.model-grid p{color:var(--muted);font-size:1.05rem}.principles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:5rem;background:var(--line);border-block:1px solid var(--line)}.principle{background:#fff;padding:2.2rem 2rem}.principle span,.model-grid article>span{font-size:.76rem;font-weight:800;color:var(--blue)}.principle h3{font-size:1.45rem;margin:2.7rem 0 .7rem}.principle p{margin:0;color:var(--muted)}
.section--audiences{background:var(--ink);color:#fff}.section--audiences .eyebrow{color:#8ad4ff}.section-heading{max-width:880px}.audience-list{margin-top:4.5rem;border-top:1px solid rgba(255,255,255,.25)}.audience-row{display:grid;grid-template-columns:70px 1fr 40px;gap:2rem;align-items:start;padding:2.25rem 0;border-bottom:1px solid rgba(255,255,255,.25);transition:padding-left .2s,background .2s}.audience-row:hover{padding-left:1rem;background:rgba(255,255,255,.035)}.audience-index{color:#8ad4ff;font-size:.8rem;font-weight:800}.audience-row h3{font-size:clamp(1.6rem,3vw,2.8rem);margin:0 0 .5rem}.audience-row p{max-width:760px;margin:0;color:#b9cbd5}.audience-row>span:last-child{font-size:1.5rem}
.section--process{background:var(--blue);color:#fff}.process-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:8vw}.section--process .eyebrow{color:#d8f2ff}.process-copy>p{color:#e1f0f7}.process-steps{margin:0;padding:0;list-style:none;border-top:1px solid rgba(255,255,255,.3)}.process-steps li{display:grid;grid-template-columns:60px 1fr;gap:1rem;padding:1.6rem 0;border-bottom:1px solid rgba(255,255,255,.3)}.process-steps span{font-size:.76rem;font-weight:800}.process-steps h3{margin:0 0 .35rem;font-size:1.35rem}.process-steps p{margin:0;color:#dbeef8}.proof-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:7vw;align-items:center}.proof-image{position:relative}.proof-image img{width:100%;height:clamp(420px,56vw,690px);object-fit:cover;border-radius:var(--radius)}.proof-image span{position:absolute;left:1rem;bottom:1rem;padding:.6rem .9rem;background:#fff;border-radius:999px;font-weight:750;font-size:.78rem}.closing-cta{padding:clamp(5rem,9vw,9rem) 0;text-align:center;background:var(--soft)}.closing-cta .container{max-width:900px}.closing-cta p:not(.eyebrow){max-width:700px;margin:1.5rem auto 2rem}.closing-cta .eyebrow{color:var(--blue-dark)}
.subhero{position:relative;padding:clamp(5rem,10vw,10rem) 0;background:linear-gradient(135deg,#f1f8fb,#fff);overflow:hidden}.subhero::after{content:"";position:absolute;width:45vw;aspect-ratio:1;border-radius:50%;border:1px solid rgba(42,128,185,.2);right:-12vw;top:-18vw}.subhero .container{position:relative;z-index:1}.subhero h1{font-size:clamp(2.7rem,5.8vw,6rem);max-width:1050px}.subhero>div>p:last-of-type{max-width:760px;margin:2rem 0;color:var(--muted);font-size:1.1rem}.subhero-index{position:absolute;right:4%;top:-2rem;color:rgba(42,128,185,.15);font-size:clamp(8rem,18vw,18rem);font-weight:900;line-height:1}.subhero--compact{padding-block:clamp(4.5rem,8vw,8rem)}.exchange-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}.exchange-grid article{background:#fff;padding:clamp(2rem,5vw,4.5rem)}.exchange-grid ul{list-style:none;margin:2rem 0 0;padding:0}.exchange-grid li{padding:1rem 0;border-bottom:1px solid var(--line);font-size:1.15rem;font-weight:700}.exchange-grid li::before{content:"+";margin-right:1rem;color:var(--blue)}.linear-steps{list-style:none;margin:3.5rem 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}.linear-steps li{padding:1.5rem;border-right:1px solid var(--line);min-height:170px}.linear-steps span{display:block;color:var(--blue);font-size:.76rem;font-weight:800;margin-bottom:3.5rem}.linear-steps strong{font-size:1.05rem}
.phase-list{border-top:1px solid var(--line)}.phase{display:grid;grid-template-columns:100px .6fr 1fr;border-bottom:1px solid var(--line);padding:2.2rem 0;gap:2rem}.phase>span{color:var(--blue);font-weight:800}.phase h2{margin:0;font-size:clamp(1.5rem,3vw,2.5rem)}.phase p{margin:0 0 .7rem;color:var(--muted)}.phase small{font-weight:750;color:var(--blue-dark)}.section--dark{background:var(--ink);color:#fff}.section--dark .eyebrow{color:#8ad4ff}.guardrails{display:grid;grid-template-columns:1fr 1fr;gap:8vw}.guardrails ul{list-style:none;margin:0;padding:0;border-top:1px solid rgba(255,255,255,.25)}.guardrails li{padding:1.3rem 0;border-bottom:1px solid rgba(255,255,255,.25)}.guardrails li::before{content:"✓";color:var(--lime);margin-right:1rem}.vision-grid{display:grid;grid-template-columns:1fr 1fr;gap:6vw}.vision-grid article+article{border-left:1px solid var(--line);padding-left:6vw}.goal-grid{display:grid;grid-template-columns:1fr .8fr;gap:8vw;align-items:center}.goal-numbers{display:grid;gap:1rem}.goal-numbers>div{padding:1.5rem 0;border-bottom:1px solid var(--line)}.goal-numbers strong{display:block;font-size:clamp(3rem,7vw,6rem);letter-spacing:-.06em;line-height:1;color:var(--blue)}.goal-numbers sup{font-size:.35em}.goal-numbers span,.goal-numbers small{color:var(--muted)}.model-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}.model-grid>div,.model-grid article{background:#fff;padding:clamp(2rem,4vw,4rem)}.model-grid article h3{font-size:1.45rem;margin:2rem 0 .75rem}.contact-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:8vw}.contact-copy ul{padding-left:1.2rem}.contact-copy li{margin:.8rem 0}.contact-placeholder{margin-top:2.5rem;padding:1.5rem;background:var(--soft);border-left:4px solid var(--blue)}.lead-form{display:grid;gap:1.4rem}.lead-form fieldset{border:0;padding:0;margin:0}.lead-form legend,.lead-form>label,.field-row label{display:grid;gap:.55rem;font-weight:750}.choice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.7rem;margin-top:.7rem}.choice{position:relative}.choice input{position:absolute;opacity:0}.choice span{display:flex;min-height:48px;align-items:center;padding:.65rem .9rem;border:1px solid var(--line);border-radius:.7rem;font-weight:650;cursor:pointer}.choice input:checked+span{background:var(--ink);color:#fff;border-color:var(--ink)}.choice input:focus-visible+span{outline:3px solid #ffbf00;outline-offset:2px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.lead-form input[type="text"],.lead-form input[type="tel"],.lead-form input[type="email"],.lead-form textarea{width:100%;border:1px solid #9eb3bf;border-radius:.65rem;padding:.8rem .9rem;background:#fff;color:var(--ink)}.lead-form textarea{resize:vertical}.lead-form small{color:var(--muted);font-weight:400}.consent{grid-template-columns:auto 1fr!important;align-items:start}.consent input{width:20px;height:20px;margin-top:.2rem}.lead-form .button{justify-self:start}.form-status{min-height:1.7rem;margin:0}.form-status.is-error{color:#a21f24}.form-status.is-success{color:#126d40}.honeypot{position:absolute!important;left:-9999px!important}
.site-footer{padding:4.5rem 0 1.5rem;background:#081b27;color:#d7e5ec}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr;gap:6vw}.brand--footer{color:#fff;margin-bottom:1.2rem}.footer-grid h2{font-size:.8rem;text-transform:uppercase;letter-spacing:.13em;color:#8ad4ff}.footer-grid a{display:block;margin:.5rem 0}.footer-grid p{color:#9eb3bf}.footer-bottom{display:flex;justify-content:space-between;gap:2rem;margin-top:3.5rem;padding-top:1.2rem;border-top:1px solid rgba(255,255,255,.15);font-size:.77rem;color:#8fa7b3}.footer-bottom p{margin:0}.reveal{opacity:1;transform:none}.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .6s,transform .6s}.js .reveal.is-visible{opacity:1;transform:none}
.button--primary{background:var(--blue-dark)}.button--primary:hover{background:var(--ink)}.node--center{background:var(--blue-dark)}.hero-note span,.principle span,.model-grid article>span,.linear-steps span,.phase>span{color:var(--blue-dark)}.section--process{background:var(--blue-dark)}
@media(max-width:1000px){.site-nav{position:fixed;inset:84px 0 auto 0;display:none;flex-direction:column;align-items:stretch;gap:0;padding:1rem 20px 1.5rem;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 14px 30px rgba(15,50,70,.1)}.site-nav.is-open{display:flex}.site-nav>a{padding:.9rem}.nav-toggle{display:block}.hero{min-height:auto}.hero-grid{grid-template-columns:1fr}.network-stage{min-height:460px}.hero-note{position:static;width:var(--container);margin:3rem auto 0}.split-heading,.process-grid,.proof-grid,.goal-grid,.contact-grid{grid-template-columns:1fr}.principles-grid{grid-template-columns:1fr}.process-grid{gap:4rem}.proof-grid{gap:3rem}.linear-steps{grid-template-columns:1fr 1fr}.model-grid{grid-template-columns:1fr}.phase{grid-template-columns:70px 1fr}.phase>div{grid-column:2}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:680px){:root{--container:min(100% - 28px,1200px)}.nav-shell{min-height:72px}.site-nav{top:72px}.brand img{width:42px;height:42px}.hero{padding-top:3.5rem;background:linear-gradient(160deg,#fff 0 52%,#eef7fb 52%)}.hero h1,.subhero h1{font-size:clamp(2.55rem,12vw,4.3rem)}.network-stage{min-height:390px;margin-inline:-10px}.node--center{width:118px;font-size:1.3rem}.node--company{width:90px;top:6%;left:4%}.node--student{width:106px;right:0}.node--campus{width:88px}.node--public{width:106px;right:4%}.split-heading{gap:1.2rem}.section-heading h2,.split-heading h2,.process-copy h2,.proof-copy h2,.closing-cta h2,.guardrails h2,.vision-grid h2,.goal-grid h2,.model-grid h2{font-size:2.35rem}.audience-row{grid-template-columns:42px 1fr 20px;gap:.7rem}.audience-row p{font-size:.9rem}.exchange-grid,.vision-grid,.guardrails{grid-template-columns:1fr}.vision-grid article+article{border-left:0;border-top:1px solid var(--line);padding:2rem 0 0}.linear-steps{grid-template-columns:1fr}.linear-steps li{min-height:120px;border-right:0;border-bottom:1px solid var(--line)}.linear-steps span{margin-bottom:1.5rem}.phase{grid-template-columns:42px 1fr;gap:1rem}.field-row,.choice-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom a{display:inline-block;margin-top:1rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.orbit{animation:none}.button,.network-node,.reveal{transition:none!important}.js .reveal{opacity:1;transform:none}}
.section--compact{padding:clamp(4rem,7vw,6rem) 0}.fact-list{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:3rem;background:var(--line);border:1px solid var(--line)}.fact-list article{background:#fff;padding:2rem}.fact-list h3{margin:0 0 .7rem;font-size:1.15rem}.fact-list p{margin:0;color:var(--muted)}.contact-placeholder a{text-decoration:underline;text-underline-offset:3px}.contact-qr{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:1.5rem}.contact-qr figure{margin:0;padding:1rem;border:1px solid var(--line);border-radius:1rem;background:#fff;text-align:center}.contact-qr img{width:100%;aspect-ratio:230/285;object-fit:contain}.contact-qr figcaption{margin-top:.7rem;font-weight:750}
@media(max-width:1000px){.fact-list{grid-template-columns:1fr}}
.contact-qr img{aspect-ratio:60/71}

/* V2 full visual system */
:root{--navy:#102b3b;--navy2:#173e52;--blue:#2a80b9;--blue-dark:#17618f;--sky:#dcebf0;--mist:#e8eff0;--sage:#dfe7df;--sand:#e9e2d5;--cream:#f1eee6;--ink:#102b3b;--muted:#4f6875;--line:rgba(16,43,59,.16);--lime:#d8ef43;--radius:1.4rem;--shadow:0 24px 70px rgba(16,43,59,.12);--container:min(1200px,calc(100vw - 48px))}
html{background:var(--navy)}body{background:var(--mist);background-image:none;overflow-x:clip}.site-header{color:var(--cream);background:rgba(16,43,59,.95);border-color:rgba(255,255,255,.09)}.site-header.is-scrolled{background:rgba(8,29,41,.98);box-shadow:0 12px 34px rgba(4,19,27,.25)}.brand small{color:#a8c1cc}.nav-toggle{color:var(--cream)}.nav-toggle>span:not(.sr-only){background:currentColor}.site-nav>a:not(.nav-cta)::after{background:var(--lime)}.nav-cta{color:var(--navy)!important;background:var(--lime)}.nav-cta:hover{background:#e6f875}
.hero{min-height:760px;display:grid;align-items:center;color:var(--cream);background:var(--navy);isolation:isolate}.hero::before{inset:-30vw -26vw auto auto;width:72vw;background:radial-gradient(circle,rgba(42,128,185,.34),rgba(42,128,185,.04) 55%,transparent 70%);border:0;animation:v2-breathe 9s ease-in-out infinite;z-index:-1}.hero::after{content:"";position:absolute;inset:auto 0 0;height:8px;background:linear-gradient(90deg,var(--blue),var(--lime),#df9a5d)}.hero-grid{grid-template-columns:1.03fr .97fr;padding-block:5.5rem}.hero .eyebrow{color:#8fc8e5}.hero h1{font-size:clamp(3.4rem,6vw,6rem);max-width:700px}.hero h1 em{color:#8fc8e5}.hero-lead{color:#bdd0d8}.hero .button--primary{color:var(--navy);background:var(--lime);box-shadow:0 14px 34px rgba(216,239,67,.14)}.hero .button--primary:hover{background:#e6f875}.hero .button--text{color:var(--cream);border-bottom-color:#9db5c0}.hero-note{position:static;display:grid;grid-template-columns:34px 1fr;gap:.8rem;align-items:start;max-width:560px;width:auto;margin:2.3rem 0 0;padding-top:1.15rem;color:#9fb8c3;border-top:1px solid rgba(255,255,255,.16);font-size:.87rem}.hero-note span{color:var(--lime)}.hero-note p{margin:0}.network-stage::before{background:radial-gradient(circle,rgba(42,128,185,.25),transparent 67%)}.orbit{border-color:rgba(143,200,229,.35)}.orbit--one{animation:v2-orbit 18s ease-in-out infinite}.orbit--two{animation:v2-orbit 23s ease-in-out -5s infinite reverse}.network-node{color:var(--navy);background:var(--cream);border-color:rgba(255,255,255,.25);box-shadow:0 18px 45px rgba(1,15,23,.3)}.node--center{color:#fff;background:var(--blue)}.node--student{background:var(--lime)}.node--campus{color:var(--cream);background:#071d29}.node--public{background:var(--sand)}
.section{padding:clamp(5rem,8vw,8rem) 0}.section--intro{background:var(--sand)}.section--soft{background:var(--sky)}.section--compact{background:var(--sage)}.proof-section{background:var(--sage)}.section--audiences{background:var(--navy2)}.section--process{background:var(--blue-dark)}.closing-cta{background:var(--sand)}
.principles-grid,.exchange-grid,.model-grid,.fact-list{gap:1rem;background:transparent;border:0}.principle,.exchange-grid article,.model-grid>div,.model-grid article,.fact-list article{border:1px solid var(--line);border-radius:var(--radius);background:var(--cream);box-shadow:0 16px 46px rgba(16,43,59,.07)}.principle{min-height:290px}.principle h3{margin-top:5rem}.principle:hover,.exchange-grid article:hover,.model-grid article:hover,.fact-list article:hover{background:#f7f3ea;box-shadow:var(--shadow)}.exchange-grid article:nth-child(2),.model-grid article:nth-child(2),.fact-list article:nth-child(2){background:var(--sage)}.exchange-grid article:nth-child(2):hover,.model-grid article:nth-child(2):hover,.fact-list article:nth-child(2):hover{background:#e8efe7}
.linear-steps{gap:.8rem;border:0}.linear-steps li{min-height:180px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(241,238,230,.66)}.linear-steps li:hover{background:var(--cream)}.phase-list{display:grid;gap:.85rem;border:0}.phase{grid-template-columns:84px 1fr;margin:0;padding:2rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--cream)}.phase:hover{transform:translateX(7px);box-shadow:var(--shadow)}
.subhero{background:var(--sky);isolation:isolate}.subhero::before{content:"";position:absolute;width:38vw;aspect-ratio:1;left:-12vw;bottom:-26vw;border-radius:50%;background:rgba(223,231,223,.75);z-index:-1}.subhero::after{z-index:-1;animation:v2-orbit 20s ease-in-out infinite}.subhero h1{overflow-wrap:anywhere}.page-companies main>.section:not(.section--soft):not(.section--compact):not(.section--dark),.page-students main>.section:not(.section--soft):not(.section--compact):not(.section--dark),.page-universities main>.section:not(.section--soft):not(.section--compact):not(.section--dark),.page-ecosystem main>.section:not(.section--soft):not(.section--compact):not(.section--dark),.page-projects main>.section:not(.section--soft):not(.section--compact):not(.section--dark),.page-about main>.section:not(.section--soft):not(.section--compact):not(.section--dark),.page-contact main>.section:not(.section--soft):not(.section--compact):not(.section--dark){background:var(--sand)}
.section--dark{background:var(--navy)}.lead-form{background:var(--sky);border-color:var(--line);box-shadow:var(--shadow)}.lead-form input[type="text"],.lead-form input[type="tel"],.lead-form input[type="email"],.lead-form textarea{background:var(--cream);border-color:#7d99a5}.choice span{background:rgba(241,238,230,.58);border-color:#8ca5b0}.contact-placeholder{background:var(--sage)}.contact-qr figure{background:var(--cream)}.site-footer{background:#071d29}
.js .reveal{transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1);transition-delay:var(--reveal-delay,0ms)}
@keyframes v2-orbit{0%,100%{transform:rotate(0deg) scale(1)}50%{transform:rotate(5deg) scale(1.035)}}@keyframes v2-breathe{0%,100%{opacity:.66;transform:scale(1)}50%{opacity:1;transform:scale(1.08)}}
@media(max-width:1000px){.site-nav{color:var(--cream);background:var(--navy)}.hero{min-height:auto}.hero-grid{grid-template-columns:1fr;padding-block:5rem}.principles-grid,.model-grid,.fact-list{grid-template-columns:1fr}.principle{min-height:auto}.principle h3{margin-top:2.5rem}}
@media(max-width:680px){:root{--container:min(100% - 30px,1200px)}body{background:var(--mist)}.hero{background:var(--navy)}.hero-grid{padding-block:4rem 3.5rem;gap:2.5rem}.hero h1,.subhero h1{font-size:clamp(2.2rem,10vw,2.75rem);line-height:1.08;overflow-wrap:anywhere}.hero-note{margin-top:1.8rem}.network-stage{min-height:380px}.principles-grid{margin-top:2.5rem}.principle{padding:1.5rem}.linear-steps li{min-height:130px}.phase{grid-template-columns:38px 1fr;gap:.8rem;padding:1.25rem}.lead-form{padding:1rem}.contact-qr figure{padding:.45rem}}
@media(prefers-reduced-motion:reduce){.hero::before,.orbit,.subhero::after{animation:none}.principle,.exchange-grid article,.model-grid article,.fact-list article,.linear-steps li,.phase{transition:none}.principle:hover,.exchange-grid article:hover,.model-grid article:hover,.fact-list article:hover,.linear-steps li:hover,.phase:hover{transform:none}.js .reveal{opacity:1;transform:none;transition:none}}

/* 2026 visual refresh: soft contemporary surfaces with restrained motion */
:root{--canvas:#f4f7f8;--paper:#fbfcfb;--mist:#e8f2f6;--warm:#f5f1e9;--aqua:#dceff2;--line-soft:rgba(30,87,116,.14);--shadow-soft:0 18px 55px rgba(16,42,58,.08)}
body{background:var(--canvas);background-image:radial-gradient(circle at 8% 4%,rgba(42,128,185,.08),transparent 26rem),radial-gradient(circle at 92% 34%,rgba(217,244,74,.07),transparent 24rem)}
.site-header{background:rgba(248,250,250,.88);border-bottom-color:rgba(30,87,116,.08)}
.hero{background:linear-gradient(135deg,#f8faf9 0 47%,#e7f2f6 47% 78%,#eef4ed 100%)}
.hero::before{background:radial-gradient(circle,rgba(42,128,185,.1),transparent 68%);animation:ambient-pulse 8s ease-in-out infinite}
.hero::after{content:"";position:absolute;left:-8rem;top:12%;width:20rem;aspect-ratio:1;border-radius:50%;background:rgba(255,255,255,.58);filter:blur(2px);pointer-events:none}
.hero-grid,.hero-note{position:relative;z-index:1}
.orbit--one{animation:orbit-drift 16s ease-in-out infinite}.orbit--two{animation:orbit-drift 21s ease-in-out -5s infinite reverse}
.network-node{background:rgba(251,252,251,.94);border-color:rgba(42,128,185,.18);box-shadow:0 14px 42px rgba(16,42,58,.11),inset 0 1px rgba(255,255,255,.8)}
.node--student{background:linear-gradient(145deg,#e4f75d,#cfe92f)}.node--campus{background:linear-gradient(145deg,#102f40,#081b27)}.node--center{background:linear-gradient(145deg,#237bb1,#125479)}
.section--intro{position:relative;background:linear-gradient(180deg,var(--paper),#f2f6f7)}
.section--soft{background:linear-gradient(135deg,var(--mist),#f1f5f3)}
.section--compact{background:linear-gradient(180deg,var(--canvas),var(--paper))}
.subhero{background:linear-gradient(135deg,#edf5f7 0%,#f8faf9 58%,#f3eee5 100%)}
.closing-cta{background:linear-gradient(135deg,#e3f0f4,#f3f5ef)}
.principles-grid,.exchange-grid,.model-grid,.fact-list{gap:1rem;background:transparent;border:0}
.principle,.exchange-grid article,.model-grid>div,.model-grid article,.fact-list article{border:1px solid var(--line-soft);border-radius:1.15rem;background:rgba(251,252,251,.84);box-shadow:var(--shadow-soft);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}
.principle:hover,.exchange-grid article:hover,.model-grid article:hover,.fact-list article:hover{transform:translateY(-5px);border-color:rgba(42,128,185,.3);box-shadow:0 24px 64px rgba(16,42,58,.12)}
.linear-steps{gap:.75rem;border-top:0}.linear-steps li{min-height:180px;border:1px solid var(--line-soft);border-radius:1rem;background:rgba(255,255,255,.55);transition:transform .25s ease,background .25s ease}.linear-steps li:hover{transform:translateY(-4px);background:rgba(255,255,255,.88)}
.phase{margin:.65rem 0;padding:2rem;border:1px solid var(--line-soft);border-radius:1rem;background:rgba(251,252,251,.72);transition:transform .25s ease,border-color .25s ease}.phase:hover{transform:translateX(6px);border-color:rgba(42,128,185,.34)}
.lead-form{padding:clamp(1.2rem,3vw,2.2rem);border:1px solid var(--line-soft);border-radius:1.25rem;background:rgba(251,252,251,.8);box-shadow:var(--shadow-soft)}
.contact-placeholder,.contact-qr figure{background:rgba(251,252,251,.78);border-color:var(--line-soft);box-shadow:0 12px 36px rgba(16,42,58,.06)}
.button{box-shadow:0 8px 22px rgba(16,75,110,.12)}.button:active{transform:translateY(0) scale(.98)}
.js .reveal{transform:translateY(30px) scale(.992);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1);transition-delay:var(--reveal-delay,0ms)}.js .reveal.is-visible{transform:translateY(0) scale(1)}
@keyframes orbit-drift{0%,100%{transform:rotate(0deg) scale(1)}50%{transform:rotate(4deg) scale(1.035)}}
@keyframes ambient-pulse{0%,100%{opacity:.55;transform:scale(1)}50%{opacity:1;transform:scale(1.08)}}
@media(max-width:1000px){.principles-grid,.exchange-grid,.model-grid,.fact-list{gap:.8rem}.linear-steps{gap:.7rem}}
@media(max-width:680px){body{background-image:none}.hero{background:linear-gradient(160deg,#f8faf9 0 48%,#e7f2f6 48% 78%,#eef4ed 100%)}.hero::after{width:12rem;left:-7rem}.hero h1,.subhero h1{max-width:100%;font-size:clamp(2.15rem,10vw,2.75rem);line-height:1.08;letter-spacing:-.045em;overflow-wrap:anywhere}.subhero>div>p:last-of-type{font-size:1rem}.phase{padding:1.35rem}.lead-form{padding:1rem}.contact-qr{gap:.65rem}.contact-qr figure{padding:.5rem}}
@media(prefers-reduced-motion:reduce){.hero::before,.orbit--one,.orbit--two{animation:none}.principle,.exchange-grid article,.model-grid article,.fact-list article,.linear-steps li,.phase{transition:none}.principle:hover,.exchange-grid article:hover,.model-grid article:hover,.fact-list article:hover,.linear-steps li:hover,.phase:hover{transform:none}.js .reveal{transition:none;opacity:1;transform:none}}

/* V2 final precedence: replaces the former light refresh */
body{background:var(--mist);background-image:none}.site-header{color:var(--cream);background:rgba(16,43,59,.95);border-color:rgba(255,255,255,.09)}.site-header.is-scrolled{background:rgba(8,29,41,.98)}.brand small{color:#a8c1cc}.site-nav>a{color:var(--cream)}.nav-cta{color:var(--navy)!important;background:var(--lime)}
.hero{color:var(--cream);background:var(--navy)}.hero::before{inset:-30vw -26vw auto auto;width:72vw;background:radial-gradient(circle,rgba(42,128,185,.34),rgba(42,128,185,.04) 55%,transparent 70%);border:0;animation:v2-breathe 9s ease-in-out infinite;z-index:-1}.hero::after{inset:auto 0 0;left:0;top:auto;width:auto;height:8px;aspect-ratio:auto;border-radius:0;background:linear-gradient(90deg,var(--blue),var(--lime),#df9a5d);filter:none}.hero-grid{position:relative;z-index:1}.hero h1{color:var(--cream)}.hero h1 em{color:#8fc8e5}.hero-lead{color:#bdd0d8}.hero-note{position:static;z-index:auto;color:#9fb8c3}.hero .button--text{color:var(--cream)}
.network-node{background:var(--cream);border-color:rgba(255,255,255,.25);box-shadow:0 18px 45px rgba(1,15,23,.3)}.node--center{background:var(--blue)}.node--student{background:var(--lime)}.node--campus{background:#071d29}.node--public{background:var(--sand)}
.section--intro{background:var(--sand)}.section--soft{background:var(--sky)}.section--compact{background:var(--sage)}.proof-section{background:var(--sage)}.subhero{background:var(--sky)}.closing-cta{background:var(--sand)}
.principle,.exchange-grid article,.model-grid>div,.model-grid article,.fact-list article{border-color:var(--line);background:var(--cream);box-shadow:0 16px 46px rgba(16,43,59,.07)}.exchange-grid article:nth-child(2),.model-grid article:nth-child(2),.fact-list article:nth-child(2){background:var(--sage)}.linear-steps li{border-color:var(--line);background:rgba(241,238,230,.66)}.phase{margin:0;border-color:var(--line);background:var(--cream)}.lead-form{background:var(--sky);border-color:var(--line);box-shadow:var(--shadow)}.contact-placeholder{background:var(--sage)}.contact-qr figure{background:var(--cream)}
@media(max-width:1000px){.site-nav{color:var(--cream);background:var(--navy)}}
@media(max-width:680px){body{background:var(--mist)}.hero{background:var(--navy)}.hero::after{left:0;top:auto;width:auto;height:8px}.hero h1,.subhero h1{font-size:clamp(2.2rem,10vw,2.75rem)}}
@media(prefers-reduced-motion:reduce){.hero::before,.orbit,.subhero::after{animation:none}}
.hero-grid,.hero-copy{min-width:0}.hero-lead{max-width:100%;white-space:normal;overflow-wrap:anywhere;word-break:break-word}
@media(max-width:680px){.hero-grid{display:block;width:100vw;max-width:none;margin:0;padding-inline:15px 35px}.hero-copy{width:100%;max-width:calc(100vw - 70px)}.hero-lead,.hero-note{width:100%;max-width:100%;word-break:break-all}.button-row{max-width:calc(100vw - 40px)}.network-stage{width:calc(100vw - 30px);max-width:none;margin-top:2.5rem}.node--student{right:2%}}

/* Audience insight cloud */
.subhero--audience{min-height:760px;display:grid;align-items:center;padding-block:4.8rem}.audience-hero-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(340px,.82fr);gap:clamp(2rem,5vw,5rem);align-items:center}.audience-hero-copy{position:relative;z-index:2;min-width:0}.subhero--audience h1{font-size:clamp(3rem,4.65vw,5.05rem)}.insight-cloud{position:relative;min-width:0;height:520px;overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}.insight-cloud::before{content:"问题 / 机会 / 行动";position:absolute;inset:50% auto auto 50%;translate:-50% -50%;color:rgba(23,97,143,.11);font-size:clamp(2rem,3vw,3.6rem);font-weight:900;letter-spacing:.08em;white-space:nowrap}.insight-cloud p{position:absolute;left:8%;top:calc(6% + (var(--i) * 11.6%));max-width:90%;margin:0;padding:.62rem .9rem;color:var(--navy);background:rgba(241,238,230,.88);border:1px solid rgba(16,43,59,.14);border-radius:999px;box-shadow:0 12px 30px rgba(16,43,59,.09);font-size:clamp(.8rem,1vw,.95rem);font-weight:750;white-space:nowrap;animation:insight-drift-a calc(15s + (var(--i) * .8s)) ease-in-out calc(var(--i) * -2.15s) infinite alternate;will-change:transform}.insight-cloud p:nth-child(even){left:auto;right:5%;background:rgba(223,231,223,.9);animation-name:insight-drift-b}.insight-cloud p:nth-child(3n){color:#fff;background:rgba(23,97,143,.92);border-color:transparent}.insight-cloud p:nth-child(4n){background:rgba(216,239,67,.9)}
@keyframes insight-drift-a{0%{transform:translateX(-14px) translateY(0)}50%{transform:translateX(28px) translateY(-7px)}100%{transform:translateX(4px) translateY(8px)}}@keyframes insight-drift-b{0%{transform:translateX(16px) translateY(4px)}50%{transform:translateX(-30px) translateY(9px)}100%{transform:translateX(-5px) translateY(-7px)}}
@media(max-width:1000px){.subhero--audience{min-height:auto}.audience-hero-grid{grid-template-columns:1fr}.insight-cloud{height:350px;margin-top:.5rem}.subhero--audience h1{font-size:clamp(2.8rem,7vw,4.6rem)}}
@media(max-width:680px){.subhero--audience{padding-block:4rem}.audience-hero-grid{width:var(--container);max-width:none;margin-inline:auto;gap:2rem}.subhero--audience h1{font-size:clamp(2.2rem,10vw,2.75rem)}.insight-cloud{width:100%;height:315px;margin-top:0}.insight-cloud::before{font-size:1.55rem}.insight-cloud p{left:0;max-width:94%;padding:.52rem .72rem;font-size:.76rem}.insight-cloud p:nth-child(even){right:0}}
@media(prefers-reduced-motion:reduce){.insight-cloud{display:grid;grid-template-columns:1fr 1fr;gap:.6rem;height:auto;overflow:visible;mask-image:none;-webkit-mask-image:none}.insight-cloud::before{display:none}.insight-cloud p,.insight-cloud p:nth-child(even){position:static;max-width:none;white-space:normal;animation:none;transform:none}}
.insight-cloud.is-paused p{animation-play-state:paused}.insight-toggle{position:absolute;right:6%;bottom:1%;z-index:3;min-height:38px;padding:.42rem .78rem;color:var(--blue-dark);background:rgba(220,235,240,.9);border:1px solid rgba(23,97,143,.25);border-radius:999px;font:inherit;font-size:.74rem;font-weight:800;cursor:pointer}.insight-toggle:hover{background:var(--cream)}
@media(max-width:680px){.insight-toggle{right:0;bottom:0}}
@media(prefers-reduced-motion:reduce){.insight-toggle{display:none}}

/* V2.2 full-width insight rivers */
.subhero--audience{min-height:auto;display:block;padding:clamp(5rem,8vw,7rem) 0 0}.subhero--audience>.audience-hero-copy{position:relative;z-index:2;display:block;width:var(--container);min-width:0;margin-inline:auto;padding-bottom:clamp(3rem,5vw,4.5rem)}.subhero--audience .audience-hero-copy h1{max-width:1050px;font-size:clamp(3rem,5.6vw,5.7rem)}.subhero--audience .audience-hero-copy>p:last-of-type{max-width:760px;margin:1.8rem 0;color:var(--muted);font-size:1.08rem}
.insight-stream{position:relative;z-index:2;width:100vw;margin-left:calc(50% - 50vw);padding:1.25rem 0 3.4rem;overflow:hidden;background:rgba(16,43,59,.055);border-top:1px solid rgba(16,43,59,.1);border-bottom:1px solid rgba(16,43,59,.1);mask-image:linear-gradient(90deg,transparent,#000 3%,#000 97%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 3%,#000 97%,transparent)}.insight-lane{width:100%;overflow:hidden;padding:.35rem 0}.insight-track{display:flex;width:max-content;animation:insight-river-left 105s linear infinite;will-change:transform}.insight-lane:nth-child(even) .insight-track{animation-name:insight-river-right;animation-duration:122s}.insight-lane:nth-child(3) .insight-track{animation-duration:114s}.insight-lane:nth-child(4) .insight-track{animation-duration:132s}.insight-group{display:flex;flex:none;align-items:center;gap:.8rem;padding-right:.8rem}.insight-group span{display:inline-flex;flex:none;align-items:center;min-height:40px;padding:.52rem .9rem;color:var(--navy);background:rgba(241,238,230,.92);border:1px solid rgba(16,43,59,.14);border-radius:999px;box-shadow:0 8px 22px rgba(16,43,59,.07);font-size:.82rem;font-weight:750;white-space:nowrap}.insight-lane:nth-child(2) span{background:rgba(223,231,223,.94)}.insight-lane:nth-child(3) span:nth-child(3n+1){color:#fff;background:rgba(23,97,143,.94);border-color:transparent}.insight-lane:nth-child(4) span:nth-child(4n+1){background:rgba(216,239,67,.92)}.insight-stream .insight-toggle{right:clamp(1rem,4vw,4rem);bottom:.55rem}.insight-stream.is-paused .insight-track{animation-play-state:paused}
@keyframes insight-river-left{from{transform:translateX(0)}to{transform:translateX(-50%)}}@keyframes insight-river-right{from{transform:translateX(-50%)}to{transform:translateX(0)}}
@media(max-width:680px){.subhero--audience{padding-top:4rem}.subhero--audience>.audience-hero-copy{width:calc(100vw - 30px);margin-inline:auto;padding-bottom:2.5rem}.subhero--audience .audience-hero-copy h1{font-size:clamp(2.2rem,10vw,2.75rem)}.subhero--audience .audience-hero-copy>p:last-of-type{font-size:1rem}.insight-stream{padding-top:1rem}.insight-group{gap:.55rem;padding-right:.55rem}.insight-group span{min-height:36px;padding:.44rem .7rem;font-size:.74rem}.insight-track{animation-duration:86s}.insight-lane:nth-child(even) .insight-track{animation-duration:98s}.insight-lane:nth-child(3) .insight-track{animation-duration:92s}.insight-lane:nth-child(4) .insight-track{animation-duration:106s}}
@media(prefers-reduced-motion:reduce){.insight-stream{padding:1rem;overflow-x:auto;mask-image:none;-webkit-mask-image:none}.insight-track,.insight-lane:nth-child(even) .insight-track{width:auto;animation:none}.insight-group{flex-wrap:wrap}.insight-group[aria-hidden="true"]{display:none}.insight-stream .insight-toggle{display:none}}

/* V2.3 random translucent overlay */
.subhero--audience{position:relative;min-height:760px;display:grid;align-items:center;padding:clamp(5rem,8vw,7rem) 0;overflow:hidden}.subhero--audience>.audience-hero-copy{z-index:2;padding-bottom:0}.insight-overlay{position:absolute;z-index:3;inset:0;overflow:hidden;pointer-events:none;isolation:isolate}.insight-overlay::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 45% 48%,transparent 0 24%,rgba(220,235,240,.06) 55%,transparent 82%);pointer-events:none}.insight-float{position:absolute;left:var(--x);top:var(--y);display:inline-block;max-width:34rem;padding:.28rem .55rem;color:rgba(16,43,59,.58);background:rgba(241,238,230,.2);border:1px solid rgba(16,43,59,.07);border-radius:.65rem;backdrop-filter:blur(1.5px);font-size:calc(.9rem * var(--size) / 100);font-weight:750;line-height:1.45;white-space:nowrap;text-shadow:0 1px rgba(255,255,255,.3);opacity:0;animation:insight-random-float var(--duration) ease-in-out var(--delay) infinite;will-change:transform,opacity}.insight-float:nth-child(3n){color:rgba(23,97,143,.62);background:rgba(220,235,240,.18)}.insight-float:nth-child(5n){color:rgba(16,43,59,.5);background:rgba(216,239,67,.13)}.insight-overlay.is-paused .insight-float{animation-play-state:paused}.insight-overlay .insight-toggle{right:clamp(1rem,3vw,3rem);bottom:1.2rem;pointer-events:auto;background:rgba(241,238,230,.72);backdrop-filter:blur(8px)}
@keyframes insight-random-float{0%,55%{opacity:0;transform:translate3d(0,0,0) scale(.96)}64%{opacity:.16}74%{opacity:.42;transform:translate3d(calc(var(--dx)*.48),calc(var(--dy)*.48),0) scale(1)}86%{opacity:.28}94%,100%{opacity:0;transform:translate3d(var(--dx),var(--dy),0) scale(1.03)}}
@media(max-width:680px){.subhero--audience{min-height:720px;padding:4rem 0}.insight-float{max-width:22rem;font-size:calc(.76rem * var(--size) / 100)}.insight-overlay .insight-toggle{right:1rem;bottom:.8rem}}
@media(prefers-reduced-motion:reduce){.insight-overlay{display:none}}