:root{--color-bg: #f7f9fc;--color-surface: #ffffff;--color-primary: #2f6fed;--color-text: #1a1f36;--color-text-muted: #626b85;--font-heading: "Prompt", sans-serif;--font-body: "IBM Plex Sans Thai", sans-serif}*{box-sizing:border-box}html{height:100%;overflow-x:hidden}body{margin:0;min-height:100vh;display:flex;flex-direction:column;font-family:var(--font-body);color:var(--color-text);background:var(--color-bg);overflow-wrap:anywhere;overflow-x:hidden}h1,h2,h3,.brand{font-family:var(--font-heading)}a{color:var(--color-primary)}.site-header-v47{display:flex;align-items:center;justify-content:space-between;padding:1.1rem 1.5rem;background:var(--color-surface);border-bottom:1px solid #e6ecf7}.site-header-v47 .brand{color:var(--color-primary);text-decoration:none;font-size:1.2rem;font-weight:700}.os-toggle-v47{display:flex;background:#eef2fb;border-radius:999px;padding:.2rem}.os-toggle-v47 button{font-family:inherit;font-size:.78rem;padding:.35rem .85rem;border-radius:999px;border:none;background:transparent;color:var(--color-text-muted);cursor:pointer}.os-toggle-v47 button.is-active{background:var(--color-primary);color:#fff;font-weight:600}main{flex:1 0 auto;width:100%}.wrap{max-width:1080px;margin:0 auto;padding:0 1.5rem}.breadcrumb{font-size:.85rem;color:var(--color-text-muted);margin:1.5rem auto 0;max-width:1080px;padding:0 1.5rem}.breadcrumb a{text-decoration:none}.site-footer{text-align:center;padding:1.5rem;color:var(--color-text-muted);font-size:.9rem}.cta{display:inline-block;background:var(--color-primary);color:#fff;padding:.7rem 1.6rem;border-radius:999px;text-decoration:none;font-weight:700}.hero-appicon-v47{position:relative;width:100%;height:600px;overflow:hidden}.hero-appicon-v47-bg{position:absolute;inset:0;opacity:0;transition:opacity .4s ease}.hero-appicon-v47-bg img{width:100%;height:100%;object-fit:cover;display:block}html:not([data-os=macos]) .hero-appicon-v47-bg[data-os-image=windows]{opacity:1}html[data-os=macos] .hero-appicon-v47-bg[data-os-image=macos]{opacity:1}.hero-appicon-v47:before{content:"";position:absolute;inset:0;background:linear-gradient(to top,#0f1628d1,#0f162859,#0f16281a);z-index:1}.hero-appicon-v47-inner{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.hero-appicon-v47-inner h1{font-size:2.3rem;color:#fff;margin:0 0 .7rem;max-width:640px}.hero-appicon-v47-inner p{color:#e5eaf7;line-height:1.8;margin:0 0 1.5rem;max-width:560px}@media(max-width:860px){.hero-appicon-v47{height:460px}}@media(max-width:560px){.hero-appicon-v47{height:380px}.hero-appicon-v47-inner h1{font-size:1.5rem}}.section{padding:3rem 0}.section h2{text-align:center;font-size:1.8rem;margin-bottom:.4rem;color:var(--color-text)}.section-lede{text-align:center;color:var(--color-text-muted);max-width:560px;margin:0 auto 2rem}.section-cta-row{text-align:center;margin-top:2rem}.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}.news-card{display:block;text-decoration:none;color:inherit;background:var(--color-surface);border:1px solid #e6ecf7;border-radius:14px;overflow:hidden;transition:transform .15s ease,box-shadow .15s ease}.news-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px #2f6fed1f}.news-card img{width:100%;height:180px;object-fit:cover;display:block}.news-card-body{padding:1.1rem 1.2rem 1.3rem;position:relative}.news-card-date{font-size:.78rem;color:var(--color-primary);font-weight:700;text-transform:uppercase;letter-spacing:.03em}.news-card h3{font-size:1.05rem;margin:.4rem 0 .5rem;line-height:1.4;color:var(--color-text)}.news-card p{font-size:.92rem;color:var(--color-text-muted);line-height:1.6;margin:0 0 .75rem}.download-btn-v47{display:inline-block;font-size:.78rem;font-weight:700;color:#fff;background:var(--color-primary);padding:.35rem .85rem;border-radius:999px}@media(max-width:860px){.news-grid{grid-template-columns:1fr}}.about-block{background:var(--color-surface);border:1px solid #e6ecf7;border-radius:14px;padding:2rem;max-width:760px;margin:0 auto}.about-block h2{margin-top:0}.about-block p{line-height:1.9;color:var(--color-text-muted)}.post-list{list-style:none;padding:0}.post-list li{padding:1rem 0;border-bottom:1px solid #e6ecf7}.post-list a{font-size:1.1rem;font-weight:600;text-decoration:none}.post-date{margin:.25rem 0 0;color:var(--color-text-muted);font-size:.9rem}article h1{color:var(--color-text);font-size:2rem}article{max-width:760px;margin:2rem auto;padding:0 1.5rem;line-height:1.9}article h2{color:var(--color-primary);font-size:1.4rem;margin-top:2rem}