@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&family=Noto+Sans+TC:wght@400;500;600;700;800&display=swap');
:root{--bg:#090f1d;--bg2:#0d1627;--panel:#111d31;--line:rgba(174,196,225,.15);--text:#f3f6fc;--muted:#9aa9bf;--blue:#72a9ff;--cyan:#64d8d0;--max:1180px}
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@media(max-width:680px){.section-wrap{width:min(100% - 38px,var(--max))}.site-header{height:72px;padding-inline:19px}.brand-mark{width:38px;height:38px}.brand-copy strong{font-size:13px}.brand-copy small{font-size:7px}.menu-toggle{display:grid;gap:5px;padding:10px}.menu-toggle span{width:22px;height:2px;background:#d9e5f5;border-radius:2px}.main-nav{display:none;position:absolute;top:71px;left:0;right:0;padding:18px 20px 22px;background:#0b1423;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0}.main-nav.open{display:flex}.main-nav>a{padding:12px 5px}.nav-cta{margin-top:8px;text-align:center}.hero{display:flex;flex-direction:column;align-items:stretch;padding-top:70px;padding-bottom:75px;min-height:0}.hero-copy{position:relative;z-index:2}.hero h1{font-size:clamp(42px,11vw,58px)}.hero-lead{font-size:16px}.hero-desc{font-size:12px}.hero-actions{gap:17px;flex-wrap:wrap}.button{padding:12px 14px}.hero-proof{gap:13px;margin-top:38px}.proof-item strong{font-size:9px}.proof-item span{font-size:9px}.hero-art{height:340px;transform:scale(.82);transform-origin:top center;margin:22px -20px -25px}.orbit-a{width:370px;height:230px}.orbit-b{width:290px;height:360px}.art-core{width:155px;height:155px}.core-k{font-size:68px}.card-edu{left:-5px;top:35px}.card-sport{right:-5px;bottom:75px}.card-data{left:0;bottom:5px}.float-card{padding:10px 11px;gap:8px}.float-card b{font-size:10px}.float-card small{font-size:8px}.float-icon{width:29px;height:29px}.hero-bottom{bottom:20px;font-size:7px}.intro-grid{grid-template-columns:1fr;gap:15px;padding-block:35px}.intro-grid h2{font-size:23px}.intro-grid>p:last-child{grid-column:auto;font-size:11px}.section-block{padding-block:72px}.section-heading{display:block;margin-bottom:30px}.section-heading h2{font-size:34px}.heading-note{margin-top:17px;font-size:11px}.about-grid{grid-template-columns:1fr}.about-main{padding:28px;min-height:310px}.value-card{padding:20px}.product-tabs{overflow:auto}.tab{white-space:nowrap}.product-grid{grid-template-columns:1fr}.product-preview{height:195px}.solution-grid{grid-template-columns:1fr 1fr;gap:9px}.solution-card{padding:19px 15px;min-height:220px}.solution-card h3{font-size:12px}.solution-card p{font-size:9px}.contact-inner{display:block;padding-block:62px}.contact-inner h2{font-size:36px}.contact-link{display:block;min-width:0;margin-top:28px}.footer-top{flex-wrap:wrap;gap:15px}.footer-top>p{order:3;width:100%;margin:0}.back-top{font-size:8px}.footer-bottom{font-size:8px;gap:12px}.footer-bottom span:last-child{text-align:right}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* Brand family — Klassuno Sports / Education / Tech */
.brand-family{padding-top:30px}.brand-family-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.brand-family-card{display:flex;align-items:center;gap:15px;min-width:0;padding:20px;background:linear-gradient(145deg,#13233a,#0d1727);border:1px solid var(--line);border-radius:12px}.brand-family-card img{width:66px;height:66px;flex:none;border-radius:16px}.brand-family-card h3{font-size:14px;margin:0 0 3px}.brand-family-card p{font-size:10px;color:var(--muted);margin:0}.brand-color{margin-left:auto;align-self:flex-start;font-size:8px;letter-spacing:.1em;color:#8da1bd;white-space:nowrap}.sports-brand{border-top:2px solid #777}.education-brand{border-top:2px solid #2563eb}.tech-brand{border-top:2px solid transparent;border-image:linear-gradient(90deg,#111 50%,#2563eb 50%) 1}
@media(max-width:900px){.brand-family-grid{grid-template-columns:1fr}}
@media(max-width:680px){.brand-logo{width:38px;height:38px}.brand-family{padding-top:0}.brand-family-card{padding:16px}.brand-family-card img{width:56px;height:56px}.brand-family-card h3{font-size:13px}.brand-color{font-size:7px}}