/* Shared reading scale. Body 16px; supporting copy 13px; headings 22/38/62px. */
:root{--font-body:16px;--font-small:13px;--font-label:12px;--font-card:22px;--font-section:38px}
html{font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:var(--font-body);line-height:1.75}
html[lang] h1,html[lang] h2,html[lang] h3{font-family:inherit}
html[lang] h2,html[lang] .section-heading h2,html[lang] .growth-copy h2,html[lang] .about h2,html[lang] .faq h2{font-size:var(--font-section);line-height:1.4;font-weight:600;letter-spacing:-.8px}
html[lang] .hero h1{font-size:clamp(50px,4.5vw,64px);line-height:1.25;letter-spacing:-1.8px;font-weight:650;margin-bottom:26px}
html[lang=en] .hero h1{font-size:clamp(46px,4vw,58px);line-height:1.16;letter-spacing:-1.7px}
html[lang] .hero h1 .serif{font-family:inherit;font-weight:inherit;font-style:normal}
html[lang] .hero-description{font-size:17px;line-height:1.9;max-width:560px}
html[lang=en] .hero-description{max-width:490px}
html[lang] .hero .eyebrow,html[lang] .eyebrow,html[lang] .growth-copy .eyebrow,html[lang] .contact .eyebrow{font-size:var(--font-label);line-height:1.7;letter-spacing:1.3px;font-weight:600}
html[lang] .header nav a{font-size:15px;font-weight:500}
html[lang] .header nav{gap:28px;margin-left:0}
html[lang] .header-inner{gap:26px}
html[lang] .header-contact{font-size:14px;gap:16px;white-space:nowrap}
html[lang] .language-switch{font-size:13px;gap:10px}
html[lang] .language-switch a{padding:12px 2px}
html[lang] .button,html[lang] .hero-actions .button,html[lang] .form-bottom .button{font-size:15px;line-height:1.5;min-height:54px;padding:17px 22px;gap:24px;font-weight:600}
html[lang] .text-link,html[lang] .hero-actions .text-link,html[lang] .faq .text-link{font-size:15px;line-height:1.7;gap:18px;font-weight:500}
html[lang] .hero-actions{gap:25px;flex-wrap:wrap}
html[lang] .hero-note{font-size:14px;line-height:1.8;margin-top:32px}
html[lang] .hero-note small{font-size:11px;letter-spacing:.5px}
html[lang] .hero-bottom{font-size:12px;letter-spacing:1px;line-height:1.7;gap:20px}
html[lang] .hero-bottom a{font-size:13px;gap:16px;white-space:nowrap}
html[lang] .orbit-card small{font-size:11px;line-height:1.5;letter-spacing:.6px;margin-bottom:4px}
html[lang] .orbit-card strong{font-size:14px;line-height:1.6;font-weight:600}
.orbit-card{padding:16px;gap:12px;max-width:320px}
html[lang] .art-label{font-size:12px;letter-spacing:1px;line-height:1.5}
html[lang] .art-coordinate,html[lang] .art-index{font-size:11px;letter-spacing:.6px;line-height:1.5}
html[lang] .platform-strip p{font-size:13px;line-height:1.7;min-width:138px}
html[lang] .section-heading>p,html[lang] .section-heading>div>p:not(.eyebrow){font-size:16px;line-height:1.9;max-width:480px}
html[lang] .service-card{display:flex;flex-direction:column;padding:28px 24px 24px}
.service-card-top{margin-bottom:28px}
html[lang] .card-number{font-size:12px}
html[lang] .service-card .card-english{font-size:12px!important;line-height:1.6;letter-spacing:.2px!important;min-height:0;margin-bottom:10px!important}
html[lang] .service-card h3{font-size:var(--font-card);line-height:1.45;letter-spacing:-.4px;font-weight:600;min-height:0;margin-bottom:15px}
html[lang] .service-card>p:not(.card-english){font-size:16px;line-height:1.85;min-height:0;flex:1;margin-bottom:24px}
html[lang] .service-card-bottom{gap:12px;padding-top:17px}
html[lang] .service-card-bottom small{font-size:12px;line-height:1.75}
.service-card-bottom>span{width:30px;height:30px}.service-card-bottom svg{width:15px;height:15px}
html[lang] .body-copy,html[lang] .growth-copy>.body-copy,html[lang] .about .body-copy{font-size:16px;line-height:1.95}
html[lang] .value-item h3{font-size:18px;line-height:1.5;font-weight:600;margin-bottom:8px}
html[lang] .value-item p{font-size:15px;line-height:1.9}
html[lang] .value-item>span{font-size:13px}
.value-item{margin-top:25px;gap:18px}
html[lang] .visual-topline,html[lang] .visual-bottomline{font-size:11px;letter-spacing:.3px;line-height:1.6}
.visual-bottomline{flex-wrap:wrap;gap:6px}
html[lang] .eco-node{font-size:14px;line-height:1.5;padding:12px 14px}
html[lang] .ecosystem-core strong{font-size:19px}
html[lang] .ecosystem-core small{font-size:9px;letter-spacing:.5px}
html[lang] .channel-filter{gap:10px;flex-wrap:wrap;justify-content:flex-start}
html[lang] .channel-filter button{font-size:14px;line-height:1.6;padding:11px 18px;min-height:44px}
html[lang] .channel-filter small{font-size:12px}
html[lang] .channel-card h3{font-size:18px;line-height:1.5;margin-bottom:6px}
html[lang] .channel-card p{font-size:14px;line-height:1.7}
.channel-card{padding:23px 25px}.channel-arrow svg{width:20px;height:20px}
html[lang] .platform-disclaimer{font-size:13px;line-height:1.8}
html[lang] .step h3{font-size:21px;line-height:1.5;font-weight:600}
html[lang] .step p{font-size:16px;line-height:1.85;max-width:none}
html[lang] .step-top{font-size:32px;line-height:1.4;margin-bottom:30px}
html[lang] .company-tag{font-size:12px;line-height:1.7;letter-spacing:.8px}
html[lang] .company-panel h3{font-size:28px;line-height:1.35}
html[lang] .company-panel dl>div{font-size:14px;line-height:1.8;grid-template-columns:85px 1fr;gap:20px}
html[lang] .company-panel dd{font-size:14px;line-height:1.9}
html[lang=en] .company-panel dl>div{grid-template-columns:110px 1fr}
html[lang] .faq summary{font-size:17px;line-height:1.7;gap:20px;padding:25px 0}
html[lang] .faq summary>span{font-size:13px}
html[lang] .faq details p{font-size:16px;line-height:1.9;padding-left:37px}
html[lang] .contact h2{font-size:48px;line-height:1.4;letter-spacing:-1px}
html[lang] .contact-intro{font-size:16px;line-height:1.9}
html[lang] .contact-email{font-size:22px;line-height:1.6;letter-spacing:0;gap:20px}
html[lang] .phone{font-size:18px;line-height:1.7}
html[lang] .contact h3{font-size:23px;line-height:1.5;font-weight:600}
html[lang] .contact label{font-size:14px;line-height:1.7;margin-bottom:22px}
html[lang] .contact input,html[lang] .contact textarea,html[lang] .contact select{font-size:16px;line-height:1.7;padding:13px 0}
html[lang] .form-bottom,html[lang] .contact form .form-bottom{flex-wrap:wrap;gap:18px;align-items:center}
html[lang] .form-bottom p,html[lang] .contact form .form-bottom p{font-size:13px;line-height:1.75;max-width:none}
html[lang] .form-privacy{font-size:12px;line-height:1.9;margin-top:22px}
html[lang] .form-feedback{font-size:14px;line-height:1.8}
html[lang] .footer-top p{font-size:14px;line-height:1.8}
html[lang] .footer-links{font-size:14px;line-height:1.8;gap:25px;flex-wrap:wrap}
html[lang] .footer-bottom{font-size:12px;line-height:1.8;letter-spacing:0;gap:18px;flex-wrap:wrap}
html[lang] .footer-bottom>span:nth-child(3){font-size:11px;letter-spacing:.4px}
html[lang] .breadcrumb{font-size:14px;line-height:1.7}
html[lang] .detail-hero h1{font-size:50px;line-height:1.35;letter-spacing:-1px;font-weight:600}
html[lang] .detail-art>span{font-size:14px;line-height:1.7;letter-spacing:1px}
html[lang] .detail-features article>span{font-size:15px}
html[lang] .detail-features h3{font-size:23px;line-height:1.5;font-weight:600}
html[lang] .detail-features p,html[lang] .detail-note p,html[lang] .privacy p{font-size:16px;line-height:1.9}
html[lang] .detail-note h3{font-size:24px;line-height:1.5}
html[lang] .privacy h2{font-size:25px;line-height:1.5}
@media(max-width:1199px){
 html[lang] .header-inner{gap:20px}html[lang] .header nav{gap:20px}html[lang] .header nav a{font-size:14px}html[lang] .header-contact{gap:10px;font-size:13px}
 html[lang] .hero h1{font-size:52px}html[lang=en] .hero h1{font-size:48px}
 html[lang] .service-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
 html[lang] .service-card{padding:28px}
 html[lang] .growth-layout{gap:45px}html[lang] .about-grid{gap:50px}html[lang] .contact-grid{gap:48px}
 html[lang] .eco-node{font-size:13px;padding:11px}.node-1{left:12px}.node-2{right:5px}.node-3{right:16px}.node-4{left:5px}
 html[lang] .visual-topline,html[lang] .visual-bottomline{font-size:10px}
 html[lang] .platform-strip-inner{gap:23px;flex-wrap:wrap}html[lang] .platform-strip p{min-width:126px}
 html[lang] .company-panel dl>div{grid-template-columns:75px 1fr;gap:15px}html[lang=en] .company-panel dl>div{grid-template-columns:1fr;gap:6px}
}
@media(min-width:700px) and (max-width:959px){
 html[lang] .header-contact{display:none}html[lang] .header nav{gap:18px}html[lang] .header nav a{font-size:14px}
 html[lang] .hero-layout{grid-template-columns:1.15fr 1fr;min-height:610px}html[lang] .hero h1{font-size:44px}html[lang=en] .hero h1{font-size:41px}
 html[lang] .hero-description{font-size:16px}html[lang] .hero-actions .button{font-size:14px;padding:15px 18px;gap:14px}html[lang] .hero-actions .text-link{font-size:14px}
 html[lang] .hero .eyebrow{font-size:11px;letter-spacing:.4px}html[lang] .orbit-card{padding:12px;gap:8px;max-width:280px}html[lang] .orbit-card small{font-size:10px}html[lang] .orbit-card strong{font-size:12px}
 html[lang] h2,html[lang] .section-heading h2,html[lang] .growth-copy h2,html[lang] .about h2,html[lang] .faq h2{font-size:32px}
 html[lang] .section-heading{gap:30px}html[lang] .section-heading>p,html[lang] .section-heading>div>p:not(.eyebrow){max-width:320px}
 html[lang] .growth-layout,html[lang] .about-grid{grid-template-columns:1fr;gap:40px}.growth-visual{width:100%;max-width:550px;height:440px;margin:auto}.growth-copy{max-width:680px}.growth-visual{order:2}
 html[lang] .visual-topline,html[lang] .visual-bottomline{font-size:11px}html[lang] .eco-node{font-size:14px}
 .company-panel{max-width:640px;width:100%}html[lang=en] .company-panel dl>div{grid-template-columns:110px 1fr}
 html[lang] .contact-grid{gap:35px}html[lang] .contact h2{font-size:37px}html[lang] .contact-email{font-size:17px;gap:10px}html[lang] .contact form{padding:26px 23px}
 .form-row{grid-template-columns:1fr;gap:0}.faq-grid{grid-template-columns:.8fr 1.2fr;gap:35px}html[lang] .faq summary{font-size:16px}
 html[lang] .step h3{font-size:19px}html[lang] .step p{font-size:15px}
}
@media(max-width:699px){
 :root{--font-body:16px;--font-small:13px;--font-label:12px;--font-card:22px;--font-section:30px}
 html[lang] .header-inner{gap:18px}html[lang] .header nav{gap:0}html[lang] .header nav a{font-size:16px;padding:16px 10px}html[lang] .language-switch{font-size:14px}
 html[lang] .hero-copy{padding-top:38px}html[lang] .hero h1{font-size:clamp(36px,10.2vw,48px);line-height:1.3;letter-spacing:-1px;margin-bottom:22px}
 html[lang=en] .hero h1{font-size:clamp(36px,10vw,46px);line-height:1.16;letter-spacing:-1px;max-width:520px}
 html[lang] .hero h1 .serif{font-family:inherit;font-style:normal;font-weight:inherit}
 html[lang] .hero-description{font-size:16px;line-height:1.85;max-width:520px;margin-bottom:24px}
 html[lang] .hero-description br{display:none}html[lang] .hero-description br:after{content:" "}
 html[lang] .hero .eyebrow{font-size:11px;letter-spacing:.5px;margin-bottom:21px}
 html[lang] .hero-actions{gap:18px 24px;margin-top:24px}html[lang] .hero-actions .button{font-size:15px;padding:16px 19px;gap:19px}html[lang] .hero-actions .text-link{font-size:15px;gap:10px}
 html[lang] .hero-note{font-size:13px;line-height:1.8;margin-top:28px}html[lang] .hero-note small{font-size:11px;letter-spacing:.2px}
 html[lang] .hero-art{margin-top:15px;height:390px}
 html[lang] .orbit-card{padding:13px;max-width:290px;gap:10px}html[lang] .orbit-card strong{font-size:13px;line-height:1.6}html[lang] .orbit-card small{font-size:10px;letter-spacing:.5px}
 html[lang] .art-label{font-size:11px;letter-spacing:.6px;top:8px}.art-coordinate,.art-index{display:none}
 html[lang] .hero-bottom{font-size:11px;gap:15px;letter-spacing:.3px}html[lang] .hero-bottom>span{max-width:220px}html[lang] .hero-bottom a{font-size:13px;gap:10px}
 html[lang] .platform-strip-inner{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:25px 20px}html[lang] .platform-strip p{font-size:13px;min-width:0;padding:0;text-align:center}
 html[lang] .section-heading{display:block;margin-bottom:30px}html[lang] .section-heading>p,html[lang] .section-heading>div>p:not(.eyebrow){font-size:16px;line-height:1.85;max-width:none;margin-top:21px}
 html[lang] .section-heading>p br,html[lang] .section-heading>div>p:not(.eyebrow) br{display:none}
 html[lang] h2,html[lang] .section-heading h2,html[lang] .growth-copy h2,html[lang] .about h2,html[lang] .faq h2{font-size:30px;line-height:1.4;letter-spacing:-.5px}
 html[lang] .service-grid{grid-template-columns:minmax(0,1fr);gap:18px}html[lang] .service-card{padding:26px}.service-card-top{margin-bottom:24px}
 html[lang] .service-card h3{font-size:22px;min-height:0;line-height:1.5}html[lang] .service-card>p:not(.card-english){font-size:16px;line-height:1.85;min-height:0;margin-bottom:22px}
 html[lang] .service-card .card-english{font-size:12px!important;min-height:0}html[lang] .service-card-bottom small{font-size:12px}
 html[lang] .growth-layout{gap:36px}.growth-visual{height:390px}.visual-topline{left:15px;right:15px}.visual-bottomline{left:15px;right:15px;display:block}.visual-bottomline>span{display:block}
 html[lang] .visual-topline,html[lang] .visual-bottomline{font-size:10px;line-height:1.6;letter-spacing:.1px}html[lang] .visual-topline>span:last-child{font-size:18px}
 html[lang] .eco-node{font-size:13px;padding:11px 12px;gap:6px}.node-1{top:84px;left:10px}.node-2{right:8px;top:136px}.node-3{right:18px;bottom:80px}.node-4{left:8px;bottom:132px}
 html[lang] .ecosystem-core strong{font-size:18px}.ecosystem-core small{display:none}
 html[lang] .body-copy,html[lang] .growth-copy>.body-copy,html[lang] .about .body-copy{font-size:16px;line-height:1.9}
 html[lang] .value-item h3{font-size:18px}html[lang] .value-item p{font-size:15px;line-height:1.85}
 html[lang] .channel-filter{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}html[lang] .channel-filter button{font-size:14px;padding:11px 10px;white-space:normal;line-height:1.5;min-height:44px}
 html[lang] .channel-card{padding:20px 17px;gap:14px}html[lang] .channel-card h3{font-size:17px}html[lang] .channel-card p{font-size:14px}.channel-letter{width:38px;height:38px}.channel-arrow{flex-shrink:0}
 html[lang] .platform-disclaimer{font-size:12px;line-height:1.8}
 .steps{grid-template-columns:1fr;gap:28px}.step{padding:22px 0 0;display:grid;grid-template-columns:52px 1fr;column-gap:15px}.step-top{grid-row:1/3;display:block}.step-top>span:last-child{display:none}
 html[lang] .step-top{font-size:29px;margin:0}html[lang] .step h3{font-size:21px;margin:0 0 10px}html[lang] .step p{font-size:16px;line-height:1.85}
 html[lang] .company-panel{padding:28px 25px}html[lang] .company-panel h3{font-size:27px;margin:30px 0 25px}html[lang] .company-panel dl>div,html[lang=en] .company-panel dl>div{grid-template-columns:1fr;gap:6px;font-size:14px}html[lang] .company-panel dd{font-size:14px}
 html[lang] .company-tag{font-size:11px;letter-spacing:.4px}
 html[lang] .faq summary{font-size:16px;gap:13px;align-items:flex-start;padding:22px 0}html[lang] .faq summary>span{font-size:12px;padding-top:3px}html[lang] .faq summary i{line-height:1.3}
 html[lang] .faq details p{font-size:16px;line-height:1.85;padding:0 10px 22px 28px}
 html[lang] .contact h2{font-size:36px;line-height:1.35;letter-spacing:-.5px}html[lang] .contact-intro{font-size:16px}
 html[lang] .contact-email{font-size:20px;gap:14px}html[lang] .phone{font-size:18px}
 html[lang] .contact form{padding:27px 23px}html[lang] .contact h3{font-size:22px}.form-row{grid-template-columns:1fr;gap:0}
 html[lang] .contact label{font-size:14px}html[lang] .contact input,html[lang] .contact select,html[lang] .contact textarea{font-size:16px}
 html[lang] .contact form .form-bottom{flex-direction:column;align-items:stretch;gap:18px}html[lang] .contact form .form-bottom p{font-size:13px;max-width:none;line-height:1.8}html[lang] .contact form .form-bottom br{display:none}
 html[lang] .form-bottom .button{font-size:15px;padding:16px 20px;gap:20px}html[lang] .form-privacy{font-size:12px;line-height:1.85}
 html[lang] .footer-top p{font-size:14px}html[lang] .footer-links{font-size:14px;display:grid;grid-template-columns:1fr 1fr;gap:15px 25px}
 html[lang] .footer-bottom{font-size:12px;gap:15px;line-height:1.8}html[lang] .footer-bottom>span:first-child{width:100%}html[lang] .footer-bottom>span:nth-child(3){font-size:11px;width:100%;letter-spacing:0}
 html[lang] .detail-hero h1{font-size:36px;line-height:1.35;letter-spacing:-.5px}.detail-hero-grid{gap:45px}html[lang] .detail-art>span{font-size:13px}
 html[lang] .detail-features h3{font-size:22px}html[lang] .detail-features p,html[lang] .detail-note p,html[lang] .privacy p{font-size:16px;line-height:1.9}
 html[lang] .detail-note h3{font-size:23px}html[lang] .privacy h1{font-size:36px}html[lang] .privacy h2{font-size:24px}
}
@media(max-width:359px){
 html[lang] .hero h1{font-size:35px}html[lang=en] .hero h1{font-size:35px}.hero .headline-dot{width:7px;height:7px;margin-left:2px}
 html[lang] .hero-actions{gap:20px}html[lang] .hero-actions .button{width:100%;justify-content:space-between}html[lang] .hero-actions .text-link{padding:4px 0}
 html[lang] .hero-art{height:350px}html[lang] .orbit-card{max-width:265px;padding:12px;gap:8px}html[lang] .orbit-card strong{font-size:12px}html[lang] .orbit-card small{font-size:10px}
 html[lang] .hero .eyebrow{font-size:10px;letter-spacing:.1px}html[lang] .hero-bottom{flex-wrap:wrap}.hero-bottom>span{max-width:none}
 html[lang] .service-card{padding:23px}html[lang] .contact-email{font-size:18px;gap:10px}html[lang] .contact form{padding:25px 19px}
 html[lang] .channel-card{gap:10px;padding:18px 14px}html[lang] .channel-card h3{font-size:16px}.channel-letter{width:32px;height:34px}.channel-arrow svg{width:17px;height:17px}
}