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@media(max-width:380px){.hero-copy{left:22px;right:20px;bottom:135px}.hero-copy h1,.hero-copy h2{font-size:38px}.hero-copy>p{font-size:16px}.hero-copy .hero-actions{gap:20px}.hero-credit{display:none}.system-tabs{gap:20px}.system-facts{gap:12px}.system-facts strong{font-size:17px}.system-facts span{font-size:12px}.system-picture img{height:230px}.system-switch{top:96px}.footer-columns{gap:30px 20px}.sub-hero h1{font-size:38px}.hero-carousel{min-height:650px}}
@media(prefers-reduced-motion:reduce){.hero-slide{transition:none}.hero-side-arrow,.world-tile>img,.brand-header{transition:none}.hero-carousel .hero-slide:not(.active){display:none}}
@media(min-width:1051px){.brand-identity .mobile-mark{display:none!important}}
/* NIO source-aligned homepage geometry. Nine One content and original assets. */
:root{--header-height:64px}html{scroll-padding-top:80px}.brand-header{height:64px;border:0}.immersive .brand-header:not(.scrolled):not(.expanded):not(.mobile-open){background:transparent}.brand-header-inner{max-width:none;padding:0 80px}.brand-identity{width:26px;height:26px}.brand-identity img{width:26px;height:26px}.brand-nav{display:flex;gap:0}.nav-side{gap:0}.brand-nav a,.nav-reveal{font:400 12px/1.4 "IBM Plex Sans",sans-serif;text-transform:none;letter-spacing:0}.brand-nav a{padding:0 20px;height:64px}.brand-nav a:after{display:none}.nav-group{gap:0;position:relative}.nav-reveal{position:absolute;right:0;top:10px;width:17px;min-width:17px;opacity:0}.nav-reveal:focus-visible,.nav-group:hover .nav-reveal{opacity:1}.brand-menu-toggle{top:10px}.hero-carousel{height:100svh;min-height:540px;max-height:none}.hero-copy{left:80px;bottom:110px}.hero-copy h1,.hero-copy 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p{font-size:14px;line-height:1.8;max-width:640px;margin:20px auto 0}.research-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin:0 40px 50px;text-align:left}.research-grid img{aspect-ratio:1.3;object-fit:cover}.research-grid h3{font-size:14px;line-height:1.6;font-weight:600;letter-spacing:0;margin:20px 0 7px}.research-grid p{font-size:13px;line-height:1.7}.brand-footer{background:#f5f5f5;padding:65px 40px 28px}.footer-columns{max-width:none;gap:40px}.footer-column h2{font:600 12px/1.5 "IBM Plex Sans",sans-serif;letter-spacing:0;text-transform:none}.footer-column a,.footer-column p{font-size:12px}.footer-base{max-width:none}.footer-base .footer-wordmark{width:145px}.footer-base nav,.footer-base p,.footer-base .location{font-size:11px}
@media(max-width:1200px) and (min-width:1051px){.brand-header-inner{padding:0 40px}.brand-nav a{padding:0 16px}.hero-copy{left:60px}}
@media(max-width:1050px){.brand-header{height:64px}.brand-menu-toggle{top:10px;right:20px}.brand-nav{display:none;top:64px;height:calc(100svh - 64px);padding:25px 8vw 60px}.brand-header.mobile-open .brand-nav{display:block}.nav-side{display:flex;flex-direction:column;align-items:stretch}.brand-nav a{font-size:24px;height:auto;padding:18px 0;min-height:64px}.nav-reveal{display:none}.brand-identity{width:26px;height:26px}.hero-copy{left:40px;bottom:110px}.home-feature{grid-template-columns:1fr 1.6fr;min-height:370px}.home-feature .feature-media{min-height:370px}.world-grid,.world-left-bottom{gap:24px}.world-left,.world-right{gap:30px}.research-grid{grid-template-columns:repeat(2,1fr);gap:35px}.world-section{padding-top:160px}.brand-home .world-heading{margin-bottom:85px}}
@media(max-width:700px){.hero-carousel{height:100svh;min-height:620px}.hero-copy{left:24px;right:24px;bottom:140px}.hero-copy h1,.hero-copy h2{font-size:36px}.hero-copy>p{font-size:15px}.hero-copy .hero-actions{gap:12px}.brand-home .hero-link{font-size:12px;padding:9px 18px;min-height:40px;min-width:120px}.hero-controls{left:18px}.home-section{padding:65px 0}.home-section .wrap{padding:0 24px}.brand-home h2{font-size:25px}.system-tabs{gap:25px;justify-content:center;margin-bottom:24px}.system-tabs button{font-size:12px}.system-picture img{height:240px}.system-switch{top:100px}.system-panel>p{font-size:13px}.system-facts{gap:12px;margin-top:28px}.system-facts strong{font-size:15px}.system-facts span{font-size:11px}.brand-world{padding-top:65px}.belief-section{margin:0 24px;aspect-ratio:auto;height:440px}.belief-copy{padding:30px 22px}.brand-home .belief-copy h2{font-size:17px}.belief-copy p{font-size:24px;line-height:1.65}.belief-copy p br{display:none}.world-section{padding-top:85px;padding-bottom:65px}.brand-home .world-heading{font-size:25px;margin-bottom:50px}.world-grid{display:block}.world-left,.world-right{gap:30px}.world-right{margin-top:30px}.world-left-bottom{gap:20px}.world-tile>img{aspect-ratio:1.55}.world-right>.world-tile:last-child>img{aspect-ratio:1.5;object-position:50% 60%}.world-tile,.world-tile.wide,.world-tile.shop-tile{min-height:0}.world-tile .tile-copy,.world-tile.shop-tile .tile-copy{margin-top:15px}.world-tile h3,.world-tile .label{font-size:13px}.world-tile p{font-size:12px}.home-feature{margin:70px 24px 35px;display:flex;flex-direction:column;gap:28px;min-height:0;align-items:stretch}.home-feature .feature-media{width:100%;aspect-ratio:1.6;min-height:0;height:auto;order:0}.home-feature .feature-copy{padding:0;order:1}.brand-home .home-feature .feature-copy h2{font-size:25px}.home-feature .feature-copy p{font-size:14px;max-width:none;margin-top:15px}.home-feature .feature-credit{position:static;order:2;font-size:10px;text-align:left;margin-top:-16px}.feature-strip{padding:0 24px;gap:32px;grid-template-columns:1fr}.feature-strip h3{font-size:14px;margin-top:18px}.feature-strip p{font-size:13px}.tech-section{margin-top:75px;padding-bottom:65px}.tech-section .tech-media{margin:0 24px;height:auto;aspect-ratio:1.5}.tech-section .tech-copy{padding:45px 24px 35px}.brand-home .tech-copy h2{font-size:25px}.tech-copy p{font-size:13px}.research-grid{margin:0 24px 35px;gap:30px 20px}.research-grid h3{font-size:13px;margin-top:15px}.research-grid p{font-size:12px}.brand-footer{padding:45px 24px 25px}.footer-columns{gap:30px 22px}.footer-column h2,.footer-column a{font-size:12px}.footer-base{margin-top:32px}.footer-base .footer-wordmark{width:145px}.sub-hero .wrap{padding-top:100px}.brand-nav{top:64px}.brand-menu-toggle{top:10px}.brand-home .system-panel h3{font-size:24px}}
.world-grid .world-tile{grid-column:auto;grid-row:auto}