*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.about-catchie-page{margin:0;min-height:100vh;font-family:Inter,"Noto Sans Thai",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--site-text);background:var(--site-background);line-height:1.65}
a{color:inherit}
.about-topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px max(20px,calc((100vw - 1180px)/2));border-bottom:1px solid var(--site-border);background:color-mix(in srgb,var(--site-surface-solid) 88%,transparent);backdrop-filter:blur(18px)}
.about-brand{font-size:1.35rem;font-weight:900;letter-spacing:-.045em;text-decoration:none}.about-brand span{color:var(--site-primary)}
.about-topbar nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.about-topbar nav a{padding:8px 11px;border-radius:10px;color:var(--site-muted);font-size:.88rem;font-weight:700;text-decoration:none}.about-topbar nav a:hover,.about-topbar nav a:focus-visible{background:var(--site-primary-soft);color:var(--site-text)}.about-topbar .home-link{border:1px solid var(--site-border)}
.about-shell{width:min(1180px,calc(100% - 30px));margin:0 auto;padding:42px 0 54px}
.about-hero,.about-section{border:1px solid var(--site-border);background:color-mix(in srgb,var(--site-surface) 93%,transparent);box-shadow:var(--site-shadow-soft)}
.about-hero{padding:clamp(30px,6vw,64px);border-radius:32px}.eyebrow{margin:0 0 9px;color:var(--site-primary);font-size:.76rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.about-hero h1{margin:0;font-size:clamp(2.55rem,7vw,5rem);line-height:.98;letter-spacing:-.065em}.about-hero p{max-width:900px;margin:20px 0 0;color:var(--site-muted);font-size:1.05rem}.about-hero .hero-lead{font-size:clamp(1.08rem,2vw,1.27rem);color:var(--site-text)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.hero-actions a{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:13px;font-weight:800;text-decoration:none}.primary-action{background:var(--site-primary);color:var(--site-surface-solid)!important}.secondary-action{border:1px solid var(--site-border-strong);background:var(--site-surface-soft)}
.about-section{margin-top:22px;padding:clamp(26px,5vw,48px);border-radius:26px}.section-heading{max-width:850px;margin-bottom:24px}.section-heading h2{margin:0;font-size:clamp(1.75rem,4vw,2.7rem);line-height:1.08;letter-spacing:-.04em}.section-heading>p:last-child{margin:13px 0 0;color:var(--site-muted)}
.mission-grid,.platform-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.mission-grid article,.platform-card,.course-card{border:1px solid var(--site-border);background:var(--site-surface-soft);border-radius:20px}.mission-grid article{padding:22px}.feature-icon,.platform-card>span{font-size:2rem}.mission-grid h3,.platform-card h3,.course-card h3{margin:11px 0 7px;font-size:1.08rem}.mission-grid p,.platform-card p,.course-card p{margin:0;color:var(--site-muted)}
.course-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.course-card{display:grid;grid-template-columns:auto 1fr;gap:16px;padding:21px}.course-card.featured-course{grid-column:1/-1;background:linear-gradient(135deg,var(--site-primary-soft),var(--site-surface-soft))}.course-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:var(--site-primary-soft);font-size:1.55rem}.course-card h3{margin-top:2px}
.platform-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.platform-card{padding:22px}
.values-list{display:grid;gap:10px}.values-list>div{display:grid;grid-template-columns:minmax(150px,220px) 1fr;gap:20px;padding:16px 18px;border:1px solid var(--site-border);border-radius:16px;background:var(--site-surface-soft)}.values-list strong{color:var(--site-primary)}.values-list span{color:var(--site-muted)}
.faq-heading{max-width:none;display:flex;justify-content:space-between;align-items:flex-end;gap:24px}.faq-heading>div:first-child{max-width:800px}.faq-language-toggle{display:flex;gap:6px;padding:5px;border:1px solid var(--site-border);border-radius:14px;background:var(--site-surface-soft)}.faq-language-toggle button{appearance:none;border:0;border-radius:10px;padding:9px 14px;background:transparent;color:var(--site-muted);font:inherit;font-weight:800;cursor:pointer}.faq-language-toggle button.active{background:var(--site-primary);color:var(--site-surface-solid)}
.faq-panel{display:grid;gap:10px}.faq-panel details{border:1px solid var(--site-border);border-radius:16px;background:var(--site-surface-soft);overflow:hidden}.faq-panel summary{padding:16px 18px;cursor:pointer;font-weight:800;list-style-position:inside}.faq-panel details[open] summary{border-bottom:1px solid var(--site-border)}.faq-panel p{margin:0;padding:16px 18px;color:var(--site-muted)}
.site-copyright.about-copyright{width:min(1180px,calc(100% - 30px));margin:0 auto 38px;padding:18px;text-align:center;color:var(--site-muted);font-size:.86rem}.site-copyright a{color:inherit;text-underline-offset:3px}
@media(max-width:860px){.mission-grid{grid-template-columns:1fr}.course-grid,.platform-grid{grid-template-columns:1fr}.course-card.featured-course{grid-column:auto}.faq-heading{align-items:flex-start;flex-direction:column}.values-list>div{grid-template-columns:1fr;gap:5px}.about-topbar nav a:not(.home-link){display:none}}
@media(max-width:560px){.about-shell{width:min(100% - 20px,1180px);padding-top:22px}.about-topbar{padding:12px 14px}.about-topbar .home-link{font-size:.8rem}.about-hero,.about-section{border-radius:20px}.about-hero{padding:28px 22px}.about-section{padding:24px 18px}.course-card{grid-template-columns:1fr}.faq-language-toggle{width:100%}.faq-language-toggle button{flex:1}.hero-actions a{width:100%}}

/* V282.7 brand mark */
.about-brand{display:inline-flex;align-items:center;gap:.5rem}.about-brand img{width:32px;height:32px;object-fit:contain}