:root{--ink:#102831;--ink2:#091a20;--paper:#f6f2e9;--white:#fffdf8;--rust:#d76343;--rust2:#b8482e;--sand:#dbc28e;--muted:#5d6b70;--line:rgba(16,40,49,.16);--radius:24px;--shadow:0 22px 60px rgba(9,26,32,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"Noto Sans SC",sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1200px,calc(100% - 42px));margin:auto}.skip{position:absolute;left:-999px}.skip:focus{left:18px;top:18px;background:#fff;padding:12px;z-index:999}.site-header{position:sticky;top:0;z-index:40;background:rgba(246,242,233,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.header-inner{height:82px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:12px;min-width:max-content}.brand img{width:44px;height:44px;object-fit:contain}.brand span{display:flex;flex-direction:column;line-height:1.05}.brand b{font-size:17px;letter-spacing:.06em}.brand small{font-size:9px;color:var(--muted);letter-spacing:.05em;margin-top:6px}.nav{margin-left:auto;display:flex;gap:22px;font-size:14px;font-weight:750}.nav a{padding:10px 0;border-bottom:2px solid transparent}.nav a:hover,.nav a[aria-current=page]{border-color:var(--rust)}.header-actions{display:flex;gap:10px;align-items:center}.lang{position:relative}.lang button{border:1px solid var(--line);background:var(--white);padding:9px 13px;border-radius:999px;cursor:pointer}.lang-menu{display:none;position:absolute;right:0;top:46px;background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:15px;padding:8px;min-width:130px}.lang-menu a{display:block;padding:8px 10px;border-radius:9px}.lang-menu a:hover{background:#eee7db}.lang.open .lang-menu{display:block}.menu{display:none;border:0;background:none;font-size:25px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 21px;border-radius:999px;font-size:14px;font-weight:850;border:0;cursor:pointer;transition:.2s}.btn-primary{background:var(--rust);color:white}.btn-primary:hover{background:var(--rust2);transform:translateY(-2px)}.btn-ghost{border:1px solid rgba(255,255,255,.38);color:white}.btn-dark{background:var(--ink);color:white}.btn-light{background:white;color:var(--ink)}.text-link{font-weight:800;color:var(--rust)}.hero{background:radial-gradient(circle at 80% 15%,rgba(215,99,67,.14),transparent 28%),var(--ink);color:white;padding:94px 0 100px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}.eyebrow,.kicker{font-size:12px;font-weight:900;letter-spacing:.16em;text-transform:uppercase;color:var(--rust)}.hero .eyebrow{color:var(--sand)}h1,h2,h3{font-family:Georgia,"Times New Roman","Noto Serif SC",serif;line-height:1.08;margin:0}h1{font-size:clamp(48px,6.6vw,92px);letter-spacing:-.045em}.hero p{font-size:19px;color:rgba(255,255,255,.77);max-width:760px;margin:28px 0 32px}.actions{display:flex;gap:12px;flex-wrap:wrap}.hero-panel{min-height:510px;border:1px solid rgba(255,255,255,.14);border-radius:38px;background:linear-gradient(145deg,rgba(255,255,255,.09),rgba(255,255,255,.02));position:relative;display:grid;place-items:center;overflow:hidden}.hero-panel img{width:58%;filter:brightness(1.35) contrast(.9);opacity:.88}.hero-panel p{position:absolute;bottom:20px;right:24px;margin:0;font-size:11px;letter-spacing:.17em;color:var(--sand)}.hero-lines{position:absolute;inset:0}.hero-lines i{position:absolute;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);width:120%;left:-10%}.hero-lines i:nth-child(1){top:24%;transform:rotate(18deg)}.hero-lines i:nth-child(2){top:52%;transform:rotate(-13deg)}.hero-lines i:nth-child(3){top:76%;transform:rotate(7deg)}.metrics{margin-top:-34px;position:relative;z-index:5}.metrics>.container{background:var(--white);border-radius:26px;box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden}.metric{padding:28px;border-right:1px solid var(--line)}.metric:nth-child(4){border-right:0}.metric b{display:block;font-size:22px;font-family:Georgia,"Times New Roman",serif}.metric span{display:block;font-size:13px;color:var(--muted);margin-top:5px}.metrics-note{grid-column:1/-1;margin:0;padding:12px 28px 16px;color:var(--muted);font-size:11px;border-top:1px solid var(--line)}.section{padding:104px 0}.section-sm{padding:68px 0}.section-ink{background:var(--ink);color:white}.section-sand{background:#ece3d4}.split,.section-head{display:grid;grid-template-columns:.9fr 1.1fr;gap:74px;align-items:start}.split h2,.section-head h2{font-size:clamp(40px,4.8vw,68px);letter-spacing:-.035em;margin-top:10px}.lead-copy,.section-head>p{font-size:18px;color:var(--muted);margin:0}.section-ink .section-head>p{color:rgba(255,255,255,.68)}.cap-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}.cap-card{grid-column:span 2;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:22px;padding:30px;min-height:270px}.cap-card:nth-child(4),.cap-card:nth-child(5){grid-column:span 3}.cap-card span,.proof-card small,.case-card small{font-size:11px;font-weight:900;letter-spacing:.13em;color:var(--sand)}.cap-card h3{font-size:27px;margin:28px 0 14px}.cap-card p{color:rgba(255,255,255,.67);margin:0}.corridor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.corridor-card{background:var(--white);border:1px solid var(--line);border-radius:24px;padding:32px;min-height:240px}.corridor-card h3{font-size:29px;margin-bottom:18px}.corridor-card p{color:var(--muted);margin:0}.proof-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.proof-card{background:var(--white);border:1px solid var(--line);border-radius:24px;padding:32px;min-height:250px}.proof-card small,.case-card small{color:var(--rust)}.proof-card h3{font-size:30px;margin:24px 0 14px}.proof-card p{color:var(--muted);margin:0}.inline-actions{margin-top:28px}.model-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:13px}.model-card{border-top:3px solid var(--rust);background:var(--white);padding:24px 20px;border-radius:0 0 18px 18px;box-shadow:0 10px 26px rgba(9,26,32,.05)}.model-card h3{font-family:inherit;font-size:17px;margin-bottom:10px}.model-card p{font-size:13px;color:var(--muted);margin:0}.cta-band{background:var(--rust);color:white;padding:62px 0}.cta-band>.container{display:flex;justify-content:space-between;align-items:center;gap:36px}.cta-band h2{font-size:clamp(36px,4vw,55px)}.cta-band p{margin:10px 0 0;color:rgba(255,255,255,.82)}.page-hero{background:radial-gradient(circle at 82% 20%,rgba(215,99,67,.13),transparent 30%),var(--ink);color:white;padding:92px 0}.page-hero.compact{padding:68px 0}.page-hero h1{font-size:clamp(52px,6vw,82px)}.page-hero p{max-width:820px;color:rgba(255,255,255,.72);font-size:19px}.page-hero .updated{font-size:14px}.solution-stack{display:grid;gap:18px}.solution-row{display:grid;grid-template-columns:.82fr 1.18fr;gap:60px;background:var(--white);border:1px solid var(--line);border-radius:26px;padding:38px}.solution-row h2{font-size:36px}.solution-row p,.solution-row li{color:var(--muted)}.solution-row ul{columns:2;margin:0;padding-left:20px}.boundary{background:#eae3d7;border-radius:30px;padding:44px;display:grid;grid-template-columns:.7fr 1.3fr;gap:52px}.boundary h2{font-size:40px}.boundary p{margin:0;color:var(--muted)}.stage-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.stage-card{background:var(--white);border:1px solid var(--line);border-top:3px solid var(--rust);padding:24px 18px;border-radius:0 0 18px 18px}.stage-card b{color:var(--rust);font-size:12px}.stage-card h3{font-family:inherit;font-size:18px;margin:22px 0 9px}.stage-card p{font-size:13px;color:var(--muted);margin:0}.offer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.offer-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);border-radius:22px;padding:30px}.offer-card h3{font-size:28px;margin-bottom:14px}.offer-card p{color:rgba(255,255,255,.68);margin:0}.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.case-card{background:var(--white);border:1px solid var(--line);border-radius:24px;padding:34px;min-height:280px}.case-card h2{font-size:33px;margin:24px 0 15px}.case-card p{color:var(--muted);margin:0}.rule-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.rule-card{background:var(--white);border-radius:20px;padding:25px}.rule-card h3{font-family:inherit;font-size:18px;margin-bottom:10px}.rule-card p{font-size:13px;color:var(--muted);margin:0}.why-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:13px}.why-card{background:var(--white);border:1px solid var(--line);border-top:3px solid var(--rust);padding:25px 21px;border-radius:0 0 20px 20px}.why-card h3{font-family:inherit;font-size:18px;margin-bottom:10px}.why-card p{font-size:13px;color:var(--muted)}.about-method{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.about-method h2{font-size:55px;margin:12px 0 22px}.about-method p{color:rgba(255,255,255,.7);font-size:18px}.network-diagram{height:430px;border:1px solid rgba(255,255,255,.15);border-radius:50%;position:relative;display:grid;place-items:center}.network-diagram span{width:145px;height:145px;background:var(--rust);border-radius:50%;display:grid;place-items:center;font-weight:900}.network-diagram i{position:absolute;font-style:normal;font-size:11px;letter-spacing:.12em;border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:10px 13px;background:var(--ink2)}.network-diagram i:nth-of-type(1){top:30px}.network-diagram i:nth-of-type(2){right:20px;top:145px}.network-diagram i:nth-of-type(3){right:60px;bottom:45px}.network-diagram i:nth-of-type(4){left:55px;bottom:45px}.network-diagram i:nth-of-type(5){left:16px;top:145px}.logo-story{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px;align-items:center}.logo-story img{background:white;border:1px solid var(--line);border-radius:30px;padding:22px}.logo-story h2{font-size:55px;margin:12px 0 18px}.logo-story p{color:var(--muted);font-size:18px}.contact-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:36px}.contact-card,.form-card{background:var(--white);border:1px solid var(--line);border-radius:24px;padding:34px}.contact-card+ .contact-card{margin-top:18px}.contact-card h2,.form-card h2{font-size:34px;margin-bottom:18px}.contact-card li,.contact-card p,.form-card>p{color:var(--muted)}.contact-card h3{font-family:inherit;font-size:14px;margin:20px 0 4px}.nda{border-top:1px solid var(--line);padding-top:18px;margin-top:25px;font-weight:800}.form-gate{min-height:430px;border:1px dashed var(--line);border-radius:20px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:34px;margin-top:24px;background:#faf7f1}.form-gate iframe{width:100%;min-height:880px;border:0}.privacy-note{max-width:520px;font-size:12px;color:var(--muted)}.policy{max-width:920px}.policy-section{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:28px;margin-bottom:14px}.policy-section h2{font-size:25px;margin-bottom:12px}.policy-section p{color:var(--muted);margin:0}.footer{background:var(--ink2);color:white;padding:68px 0 26px}.footer-grid{display:grid;grid-template-columns:1.15fr .7fr .72fr 1.18fr;gap:42px}.brand-footer img{filter:brightness(1.4)}.footer p{color:rgba(255,255,255,.62)}.footer-links{display:flex;flex-direction:column;gap:9px}.footer-links strong{margin-bottom:8px}.footer-links a{color:rgba(255,255,255,.7);font-size:14px}.footer-company{display:flex;flex-direction:column;gap:8px}.footer-company p{margin:0 0 10px;font-size:13px;line-height:1.55}.footer-company p span{display:block;color:rgba(255,255,255,.42);font-size:10px;font-weight:850;letter-spacing:.09em;text-transform:uppercase}.footer-company a{color:rgba(255,255,255,.82)}.footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:42px;padding-top:22px;display:flex;justify-content:space-between;color:rgba(255,255,255,.5);font-size:12px}.reveal{opacity:1;transform:none}@media(prefers-reduced-motion:no-preference){.reveal{opacity:0;transform:translateY(14px);transition:.45s}.reveal.show{opacity:1;transform:none}}@media(max-width:1100px){.cap-grid{grid-template-columns:repeat(2,1fr)}.cap-card,.cap-card:nth-child(4),.cap-card:nth-child(5){grid-column:span 1}.model-grid{grid-template-columns:repeat(3,1fr)}.stage-grid{grid-template-columns:repeat(3,1fr)}.why-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:960px){.nav{display:none;position:absolute;top:82px;left:0;right:0;background:var(--paper);padding:20px;flex-direction:column;border-bottom:1px solid var(--line)}.nav.open{display:flex}.menu{display:block}.brand small{display:none}.hero-grid,.split,.section-head,.solution-row,.boundary,.about-method,.logo-story,.contact-grid{grid-template-columns:1fr}.metrics>.container{grid-template-columns:1fr 1fr}.metric:nth-child(2){border-right:0}.corridor-grid,.offer-grid{grid-template-columns:1fr}.proof-grid,.case-grid{grid-template-columns:1fr}.model-grid,.stage-grid,.why-grid{grid-template-columns:1fr 1fr}.rule-grid{grid-template-columns:1fr 1fr}.solution-row ul{columns:1}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:640px){.container{width:min(100% - 28px,1200px)}.header-inner{height:72px}.brand img{width:38px;height:38px}.hero{padding:68px 0 82px}.hero-grid{gap:36px}.hero-panel{min-height:350px}.hero-panel img{width:66%}h1{font-size:48px}.metrics>.container,.cap-grid,.model-grid,.stage-grid,.why-grid,.rule-grid{grid-template-columns:1fr}.metric{border-right:0;border-bottom:1px solid var(--line)}.metric:nth-child(4){border-bottom:0}.section{padding:74px 0}.split,.section-head{gap:22px}.split h2,.section-head h2{font-size:41px}.page-hero{padding:68px 0}.page-hero h1{font-size:50px}.solution-row{padding:27px}.cta-band>.container{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:8px}.network-diagram{height:340px}.logo-story h2,.about-method h2{font-size:40px}}

/* V7 refinements */
.nav{gap:18px}.nav a{white-space:nowrap}.proof-card h3{margin-top:0}.case-card{min-height:235px}.case-card h2{font-size:28px;margin-top:0}.rule-grid{grid-template-columns:repeat(3,1fr)}.offer-grid{grid-template-columns:repeat(3,1fr)}.offer-card{min-height:230px}.form-gate p{margin:12px 0}.lang-menu{min-width:145px}.page-hero .container>h1{max-width:1080px;text-wrap:balance}.page-hero .container>p{max-width:900px}.section-head h2,.split h2,.solution-row h2,.case-card h2,.offer-card h3,.proof-card h3,.corridor-card h3{text-wrap:balance}

html[lang="zh-CN"] body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.78}
html[lang="zh-CN"] h1,html[lang="zh-CN"] h2,html[lang="zh-CN"] h3{font-family:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;letter-spacing:0;word-break:normal;line-break:strict}
html[lang="zh-CN"] .brand b{letter-spacing:.04em}
html[lang="zh-CN"] .brand small{font-size:10px;letter-spacing:.02em}
html[lang="zh-CN"] .nav{font-size:15px;gap:21px}
html[lang="zh-CN"] .eyebrow,html[lang="zh-CN"] .kicker{letter-spacing:.11em}
html[lang="zh-CN"] .hero{padding:86px 0 94px}
html[lang="zh-CN"] .hero h1{font-size:clamp(46px,5.1vw,72px);line-height:1.18;max-width:820px}
html[lang="zh-CN"] .hero p{font-size:18px;line-height:1.85;max-width:780px}
html[lang="zh-CN"] .page-hero{padding:78px 0 84px}
html[lang="zh-CN"] .page-hero h1{font-size:clamp(42px,4.6vw,66px);line-height:1.22;max-width:1050px}
html[lang="zh-CN"] .page-hero p{font-size:18px;line-height:1.85;max-width:900px}
html[lang="zh-CN"] .split h2,html[lang="zh-CN"] .section-head h2{font-size:clamp(34px,4vw,54px);line-height:1.25}
html[lang="zh-CN"] .cap-card h3{font-size:24px;line-height:1.38;margin-top:24px}
html[lang="zh-CN"] .corridor-card h3,html[lang="zh-CN"] .proof-card h3{font-size:26px;line-height:1.35}
html[lang="zh-CN"] .solution-row h2{font-size:31px;line-height:1.35}
html[lang="zh-CN"] .solution-row p,html[lang="zh-CN"] .solution-row li{line-height:1.85}
html[lang="zh-CN"] .offer-card h3{font-size:25px;line-height:1.4}
html[lang="zh-CN"] .case-card h2{font-size:27px;line-height:1.42}
html[lang="zh-CN"] .stage-card h3,html[lang="zh-CN"] .why-card h3,html[lang="zh-CN"] .rule-card h3{line-height:1.45}
html[lang="zh-CN"] .model-card h3{font-size:16px;line-height:1.45}
html[lang="zh-CN"] .about-method h2,html[lang="zh-CN"] .logo-story h2{font-size:clamp(36px,4vw,52px);line-height:1.25}
html[lang="zh-CN"] .contact-card h2,html[lang="zh-CN"] .form-card h2{font-size:30px;line-height:1.35}
html[lang="zh-CN"] .policy-section h2{font-size:23px;line-height:1.45}
html[lang="zh-CN"] .metric b{font-size:20px}
html[lang="zh-CN"] .metric span{line-height:1.65}
html[lang="zh-CN"] .cta-band h2{font-size:clamp(32px,3.8vw,48px);line-height:1.25}
html[lang="zh-CN"] .page-hero.compact h1{font-size:clamp(38px,4vw,56px)}
@media(max-width:1180px){.nav{gap:13px;font-size:13px}.brand small{display:none}html[lang="zh-CN"] .nav{gap:14px;font-size:14px}}
@media(max-width:960px){.rule-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.rule-grid{grid-template-columns:1fr}.case-card{min-height:auto}html[lang="zh-CN"] .hero h1{font-size:43px}html[lang="zh-CN"] .page-hero h1{font-size:40px}html[lang="zh-CN"] .hero p,html[lang="zh-CN"] .page-hero p{font-size:16px}html[lang="zh-CN"] .split h2,html[lang="zh-CN"] .section-head h2{font-size:36px}}


/* V8 responsive typography and layout system */
:root{
  --content-max:1280px;
  --gutter:clamp(22px,4vw,64px);
  --section-space:clamp(78px,8vw,118px);
  --section-space-sm:clamp(54px,6vw,78px);
  --ease:cubic-bezier(.22,.61,.36,1);
}
html{font-size:16px;text-rendering:optimizeLegibility}
body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
.container{width:min(var(--content-max),calc(100% - (var(--gutter)*2)))}
p,li{overflow-wrap:break-word;text-wrap:pretty}
h1,h2,h3{text-wrap:balance;overflow-wrap:normal}
.btn{white-space:nowrap;flex:0 0 auto;max-width:100%;padding-inline:clamp(20px,2vw,28px);line-height:1.15}

.site-header{box-shadow:0 1px 0 rgba(16,40,49,.03)}
.header-inner{height:88px;gap:clamp(16px,2vw,30px)}
.brand{gap:14px}
.brand img{width:50px;height:50px}
.brand b{font-size:18px;line-height:1;letter-spacing:.055em}
.brand small{font-size:10px;line-height:1.2;margin-top:7px;white-space:nowrap}
.nav{gap:clamp(13px,1.35vw,23px);font-size:clamp(13px,.86vw,15px)}
.nav a{white-space:nowrap;padding:12px 0}
.lang button{white-space:nowrap;min-height:44px;padding:10px 16px}

.hero{padding:clamp(82px,8vw,112px) 0 clamp(92px,9vw,124px)}
.hero-grid{grid-template-columns:minmax(0,1.12fr) minmax(350px,.88fr);gap:clamp(44px,6vw,86px)}
.hero h1{font-size:clamp(48px,5.65vw,82px);line-height:1.04;max-width:12.5ch}
.hero p{font-size:clamp(17px,1.25vw,20px);line-height:1.7;max-width:68ch;margin:28px 0 34px}
.hero-panel{min-height:clamp(430px,38vw,540px)}

.section{padding:var(--section-space) 0}
.section-sm{padding:var(--section-space-sm) 0}
.split,.section-head{grid-template-columns:minmax(300px,.9fr) minmax(0,1.1fr);gap:clamp(38px,6vw,82px)}
.split h2,.section-head h2{font-size:clamp(40px,4.3vw,64px);line-height:1.12;max-width:16ch}
.lead-copy,.section-head>p{font-size:clamp(17px,1.2vw,19px);line-height:1.75;max-width:68ch}
.section-head>div:only-child{grid-column:1/-1}
.section-head>div:only-child h2{max-width:19ch}

.cap-grid,.corridor-grid,.proof-grid,.offer-grid,.case-grid,.rule-grid,.why-grid,.model-grid,.stage-grid{align-items:stretch}
.cap-card,.corridor-card,.proof-card,.offer-card,.case-card,.rule-card,.why-card,.model-card,.stage-card{height:100%}
.cap-card h3,.corridor-card h3,.proof-card h3,.offer-card h3,.case-card h2,.rule-card h3,.why-card h3,.model-card h3,.stage-card h3{line-height:1.24}
.cap-card p,.corridor-card p,.proof-card p,.offer-card p,.case-card p,.rule-card p,.why-card p,.model-card p,.stage-card p{line-height:1.68}
.solution-row{grid-template-columns:minmax(260px,.78fr) minmax(0,1.22fr);gap:clamp(36px,5vw,68px);padding:clamp(30px,3.5vw,46px)}
.solution-row h2{font-size:clamp(30px,2.7vw,40px);line-height:1.2;max-width:15ch}
.boundary{grid-template-columns:minmax(250px,.72fr) minmax(0,1.28fr);gap:clamp(34px,5vw,64px)}

.page-hero{padding:clamp(78px,7vw,104px) 0}
.page-hero.compact{padding:clamp(56px,5vw,74px) 0}
.page-hero h1{font-size:clamp(46px,5.2vw,76px);line-height:1.08;max-width:18ch}
.page-hero p{font-size:clamp(17px,1.2vw,20px);line-height:1.72;margin-top:22px;max-width:72ch}

.cta-band{position:relative;overflow:hidden;padding:clamp(58px,6vw,80px) 0}
.cta-band::after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(255,255,255,.15);border-radius:50%;right:-170px;top:50%;transform:translateY(-50%);pointer-events:none}
.cta-band>.container{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) max-content;align-items:center;gap:clamp(36px,6vw,88px)}
.cta-band>.container>div{min-width:0}
.cta-band h2{font-size:clamp(36px,3.7vw,58px);line-height:1.12;max-width:23ch}
.cta-band p{font-size:clamp(15px,1.1vw,18px);line-height:1.7;max-width:66ch;margin-top:16px}
.cta-band .btn{min-width:max-content;box-shadow:0 10px 28px rgba(55,22,13,.13)}

.footer{padding-top:clamp(58px,6vw,78px)}
.footer-grid{grid-template-columns:minmax(220px,1.2fr) minmax(130px,.65fr) minmax(150px,.72fr) minmax(250px,1.2fr);gap:clamp(28px,4vw,54px)}
.footer-links a,.footer-company p{line-height:1.55}

@media (prefers-reduced-motion:no-preference){
  .btn,.cap-card,.corridor-card,.proof-card,.offer-card,.case-card,.rule-card,.why-card,.model-card,.stage-card{transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease)}
  .cap-card:hover,.corridor-card:hover,.proof-card:hover,.offer-card:hover,.case-card:hover,.rule-card:hover,.why-card:hover,.model-card:hover,.stage-card:hover{transform:translateY(-4px);box-shadow:0 18px 42px rgba(9,26,32,.09)}
  .page-hero .eyebrow,.page-hero h1,.page-hero p,.hero .eyebrow,.hero h1,.hero p,.hero .actions{animation:azEnter .68s var(--ease) both}
  .page-hero h1,.hero h1{animation-delay:.06s}.page-hero p,.hero p{animation-delay:.12s}.hero .actions{animation-delay:.18s}
  @keyframes azEnter{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
}

/* Language-aware wrapping */
html[lang="en"] h1,html[lang="en"] h2,html[lang="en"] h3,
html[lang="it"] h1,html[lang="it"] h2,html[lang="it"] h3,
html[lang="fr"] h1,html[lang="fr"] h2,html[lang="fr"] h3{hyphens:none}
html[lang="fr"] .page-hero h1,html[lang="it"] .page-hero h1{max-width:20ch}
html[lang="fr"] .nav,html[lang="it"] .nav{gap:clamp(11px,1.1vw,19px)}

html[lang="zh-CN"] body{line-height:1.74}
html[lang="zh-CN"] p,html[lang="zh-CN"] li{text-wrap:pretty;word-break:normal;line-break:strict}
@supports (word-break:auto-phrase){html[lang="zh-CN"] h1,html[lang="zh-CN"] h2,html[lang="zh-CN"] h3,html[lang="zh-CN"] p{word-break:auto-phrase}}
html[lang="zh-CN"] .hero h1{font-size:clamp(44px,4.8vw,70px);line-height:1.17;max-width:13em}
html[lang="zh-CN"] .page-hero h1{font-size:clamp(40px,4.2vw,62px);line-height:1.2;max-width:16em}
html[lang="zh-CN"] .split h2,html[lang="zh-CN"] .section-head h2{font-size:clamp(34px,3.7vw,52px);line-height:1.26;max-width:14em}
html[lang="zh-CN"] .section-head>div:only-child h2{max-width:18em}
html[lang="zh-CN"] .solution-row h2{max-width:10em}
html[lang="zh-CN"] .cta-band h2{font-size:clamp(34px,3.25vw,50px);line-height:1.24;max-width:22em}
html[lang="zh-CN"] .cta-band p{line-height:1.8;max-width:72em}
html[lang="zh-CN"] .btn{letter-spacing:.02em}

@media(max-width:1180px){
  .brand small{display:none}
  .header-inner{gap:18px}
  .nav{gap:12px;font-size:13px}
}
@media(max-width:1080px){
  .nav{display:none;position:absolute;top:88px;left:0;right:0;background:var(--paper);padding:22px var(--gutter) 28px;flex-direction:column;border-bottom:1px solid var(--line);box-shadow:0 18px 36px rgba(9,26,32,.08)}
  .nav.open{display:flex}.menu{display:block}
  .hero-grid{grid-template-columns:1fr;gap:46px}.hero h1{max-width:14ch}.hero-panel{min-height:390px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
  .cta-band>.container{grid-template-columns:1fr;justify-items:start;gap:28px}
  .cta-band h2{max-width:24ch}
  html[lang="zh-CN"] .cta-band h2{max-width:18em}
  .solution-row,.boundary{grid-template-columns:1fr}
}
@media(max-width:760px){
  :root{--gutter:20px}
  .header-inner{height:76px}.nav{top:76px}.brand img{width:42px;height:42px}.brand b{font-size:16px}
  .metrics>.container{grid-template-columns:1fr 1fr}
  .split,.section-head{grid-template-columns:1fr;gap:24px}
  .split h2,.section-head h2,.section-head>div:only-child h2{max-width:20ch}
  .cap-grid,.corridor-grid,.proof-grid,.offer-grid,.case-grid,.rule-grid,.why-grid,.model-grid,.stage-grid{grid-template-columns:1fr 1fr}
  .cap-card,.cap-card:nth-child(4),.cap-card:nth-child(5){grid-column:auto}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  :root{--gutter:15px}
  .container{width:calc(100% - 30px)}
  .header-actions{gap:5px}.lang button{padding:8px 11px;font-size:13px}.menu{font-size:23px}
  .hero{padding:62px 0 76px}.hero h1{font-size:clamp(40px,12vw,54px);max-width:none}.hero p{font-size:16px;line-height:1.72}
  .hero-panel{min-height:320px;border-radius:26px}
  .metrics>.container,.cap-grid,.corridor-grid,.proof-grid,.offer-grid,.case-grid,.rule-grid,.why-grid,.model-grid,.stage-grid{grid-template-columns:1fr}
  .section{padding:68px 0}.section-sm{padding:50px 0}
  .page-hero{padding:62px 0}.page-hero h1{font-size:clamp(38px,11vw,50px);max-width:none}
  .page-hero p{font-size:16px;line-height:1.72}
  .split h2,.section-head h2,.section-head>div:only-child h2{font-size:36px;max-width:none}
  .cta-band{padding:54px 0}.cta-band h2{font-size:34px;max-width:none}.cta-band .btn{width:auto;min-width:0;white-space:normal;padding:14px 22px}
  .solution-row,.boundary,.contact-card,.form-card{padding:26px 22px}
  .footer-bottom{align-items:flex-start}
  html[lang="zh-CN"] .hero h1{font-size:42px;max-width:none}
  html[lang="zh-CN"] .page-hero h1{font-size:38px;max-width:none}
  html[lang="zh-CN"] .split h2,html[lang="zh-CN"] .section-head h2,html[lang="zh-CN"] .section-head>div:only-child h2{font-size:34px;max-width:none}
  html[lang="zh-CN"] .cta-band h2{font-size:32px;max-width:none}
}

/* Reliability: core content remains visible even if animation APIs or scripts are unavailable. */
.reveal,.reveal.show{opacity:1!important;transform:none!important}