.grecaptcha-badge{visibility:hidden}:root{color-scheme:light;--bg:#fff;--surface:#f7f8fc;--text:#12142e;--muted:#6a6f8c;--border:#12142e1c;--grad-1:#9983fb;--grad-2:#3b40e3;--grad-3:#0126ad;--grad-4:#04207c;--grad-5:#0d1747;--gradient:linear-gradient(345deg, var(--grad-1) 16%, var(--grad-2) 37%, var(--grad-3) 57%, var(--grad-4) 70%, var(--grad-5) 91%);--grain:url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.110'/></svg>");--accent:#3b40e3;--accent-ink:#fff;--font-heading:"Sarabun", system-ui, -apple-system, "Segoe UI", sans-serif;--font-body:"Inter", "Sukhumvit Set", "Sarabun", system-ui, -apple-system, "Segoe UI", sans-serif;--page-max:1440px}html.dark{color-scheme:dark;--bg:#0e1016;--surface:#191c26;--text:#e9eaf4;--muted:#a1a6c0;--border:#ffffff21;--accent:#9aa3ff}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:var(--font-body);-webkit-font-smoothing:antialiased;margin:0;line-height:1.7;transition:background-color .3s,color .3s}.lang-switch{border:1px solid var(--border);background:var(--surface);border-radius:999px;padding:2px;display:inline-flex}.site-header .nav-side .lang-switch a.lang-opt{letter-spacing:.04em;color:var(--muted);border-radius:999px;padding:6px 10px;font-size:12px;font-weight:600;line-height:1;transition:color .2s,background .2s}.site-header .nav-side .lang-switch a.lang-opt:after{display:none}.site-header .nav-side .lang-switch a.lang-opt:hover{color:var(--text)}.site-header .nav-side .lang-switch a.lang-opt.active{background:var(--gradient);color:#fff;pointer-events:none}html[lang=th] .prose{line-height:1.9}.theme-toggle{appearance:none;cursor:pointer;color:var(--text);background:0 0;border:0;border-radius:8px;justify-content:center;align-items:center;margin:0;padding:5px;transition:color .25s,background .2s;display:inline-flex}.theme-toggle:hover{color:var(--accent);background:var(--surface)}.theme-toggle .icon-sun,html.dark .theme-toggle .icon-moon{display:none}html.dark .theme-toggle .icon-sun{display:inline}h1,h2,h3,h4{font-family:var(--font-heading);letter-spacing:0;font-weight:800;line-height:1.3}main{max-width:var(--page-max);margin:0 auto;padding:0 24px 80px}.grad-text{background:var(--gradient);color:#0000;background-size:100% 100%;-webkit-background-clip:text;background-clip:text}.site-header{border-bottom:1px solid var(--border);background:var(--bg);z-index:20;margin-bottom:48px;position:relative}.site-header nav{max-width:var(--page-max);grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;margin:0 auto;padding:22px 24px;display:grid}.brand{font-family:var(--font-heading);background:var(--gradient);color:#0000;-webkit-background-clip:text;background-clip:text;font-size:24px;font-weight:800;text-decoration:none}.site-header .brand{grid-column:2;justify-self:center}.nav-side{align-items:center;gap:28px;display:flex}.nav-right{gap:18px}.nav-left{grid-column:1;justify-self:start}.nav-right{grid-column:3;justify-self:end}.site-header .nav-side a{color:var(--text);padding-bottom:3px;font-size:15px;font-weight:500;text-decoration:none;transition:color .25s;position:relative}.site-header .nav-side a:after{content:"";background:var(--gradient);transform-origin:0;width:100%;height:2px;transition:transform .28s cubic-bezier(.4,0,.2,1);position:absolute;bottom:0;left:0;transform:scaleX(0)}.site-header .nav-side a:hover{color:var(--grad-2)}.site-header .nav-side a:hover:after{transform:scaleX(1)}.nav-dropdown{position:relative}.nav-dropdown-toggle{appearance:none;cursor:pointer;color:var(--text);background:0 0;border:0;align-items:center;gap:6px;margin:0;padding:0 0 3px;font-family:inherit;font-size:15px;font-weight:500;transition:color .25s;display:inline-flex}.nav-dropdown-toggle .caret{transition:transform .25s}.nav-dropdown:hover .nav-dropdown-toggle,.nav-dropdown:focus-within .nav-dropdown-toggle{color:var(--grad-2)}.nav-dropdown:hover .caret,.nav-dropdown:focus-within .caret{transform:rotate(180deg)}.nav-menu{z-index:5;background:var(--bg);border:1px solid var(--border);opacity:0;visibility:hidden;border-radius:12px;min-width:190px;margin:0;padding:6px;list-style:none;transition:opacity .2s,transform .2s,visibility .2s;position:absolute;top:100%;left:-14px;transform:translateY(-4px);box-shadow:0 16px 36px -20px #0d17478c}.nav-dropdown:hover .nav-menu,.nav-dropdown:focus-within .nav-menu{opacity:1;visibility:visible;transform:translateY(0)}.nav-menu a{color:var(--text);text-transform:capitalize;border-radius:8px;padding:8px 12px;font-size:14px;font-weight:500;text-decoration:none;transition:background .2s,color .2s;display:block}.nav-menu a:hover,.nav-menu a:focus-visible{background:var(--surface);color:var(--grad-2)}@media (width<=640px){.site-header nav{grid-template-columns:1fr;justify-items:center;gap:10px}.nav-menu{left:50%;transform:translate(-50%,-4px)}.nav-dropdown:hover .nav-menu,.nav-dropdown:focus-within .nav-menu{transform:translate(-50%)}.site-header .brand{grid-column:1}.nav-left,.nav-right{grid-column:1;justify-self:center}}.site-footer{border-top:1px solid var(--border);background:var(--surface);margin-top:64px}.footer-inner{max-width:var(--page-max);text-align:center;margin:0 auto;padding:56px 24px}.footer-inner .brand{font-size:22px}.footer-inner .tagline{color:var(--muted);margin:10px 0 24px;font-size:14px}.footer-links{flex-wrap:wrap;justify-content:center;gap:24px;margin-bottom:24px;display:flex}.footer-links a{color:var(--text);font-size:14px;font-weight:500;text-decoration:none;transition:color .25s}.footer-links a:hover{color:var(--grad-2)}.footer-social{justify-content:center;gap:12px;margin-bottom:24px;display:flex}.footer-social .social-btn{background:var(--bg);border:1px solid var(--border);width:38px;height:38px;color:var(--text);border-radius:10px;justify-content:center;align-items:center;transition:color .25s,border-color .25s,transform .25s;display:flex;position:relative;overflow:hidden}.footer-social .social-btn svg{z-index:1;position:relative}.footer-social .social-fill{background:var(--gradient);transition:transform .3s cubic-bezier(.4,0,.2,1);position:absolute;inset:0;transform:translateY(101%)}.footer-social .social-btn:hover{color:#fff;border-color:#0000;transform:translateY(-2px)}.footer-social .social-btn:hover .social-fill{transform:translateY(0)}.copyright{color:var(--muted);margin:0;font-size:13px}img{border-radius:10px;max-width:100%;height:auto}a{color:var(--accent)}.eyebrow{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;font-weight:600;display:flex}.eyebrow .dash{color:var(--grad-1)}.eyebrow .cat{color:var(--accent);text-decoration:none}.eyebrow .cat:hover{text-decoration:underline}