:root{color-scheme:light dark;--bg: #eff3f8;--surface: #ffffff;--surface-2: #f5f8fc;--text: #16324f;--text-muted: #4c6079;--border: #d7e1ee;--border-strong: #b9c9de;--primary: #2f6fed;--primary-hover: #2558c2;--on-primary: #ffffff;--success-bg: #e4f5ec;--success: #1e8e5a;--radius: 8px;--radius-lg: 12px;--shadow: 0 4px 14px rgb(18 59 115 / 10%);--font-mono: "IBM Plex Mono", ui-monospace, monospace}@media (prefers-color-scheme: dark){:root{--bg: #0b0e11;--surface: #12161b;--surface-2: #161b21;--text: #e7ecf0;--text-muted: #8b96a3;--border: #232a32;--border-strong: #2a323c;--primary: #2fd9a6;--primary-hover: #26c093;--on-primary: #06120e;--success-bg: rgb(47 217 166 / 14%);--success: #2fd9a6;--radius-lg: 10px;--shadow: none}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Manrope,Noto Sans Thai,system-ui,sans-serif;line-height:1.55}body[data-lang=th] [data-en],body[data-lang=en] [data-th]{display:none}main{max-width:960px;margin:0 auto;padding:0 1.25rem}h1,h2,h3{line-height:1.2;text-wrap:balance}a{color:var(--primary)}.muted{color:var(--text-muted)}.small{font-size:.9rem}header{background:var(--surface);border-bottom:1px solid var(--border)}.header-inner{max-width:960px;margin:0 auto;padding:1rem 1.25rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.brand{font-weight:800;font-size:1.2rem;color:var(--text);text-decoration:none}.header-actions{display:flex;align-items:center;gap:.75rem}.lang-toggle{display:inline-flex;border:1px solid var(--border);border-radius:8px;overflow:hidden}.lang-toggle button{border:none;background:var(--surface);color:var(--text-muted);font:inherit;font-size:.8rem;font-weight:600;padding:.4rem .65rem;cursor:pointer}.lang-toggle button.current{background:var(--text);color:var(--bg)}section{padding:3rem 0;border-bottom:1px solid var(--border)}section:last-of-type{border-bottom:none}.button{display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem;padding:.85rem 1.6rem;border-radius:var(--radius);text-decoration:none;cursor:pointer;border:1px solid var(--border-strong);background:transparent;color:var(--text)}.button.primary{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}.cta-row{display:flex;gap:.9rem;flex-wrap:wrap;margin-top:1.5rem}.chip-row{display:flex;gap:1.5rem;flex-wrap:wrap;margin-top:1.25rem}.chip{display:flex;align-items:center;gap:.5rem;color:var(--text-muted);font-size:.9rem;font-weight:500}.chip:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--primary);flex:none}.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.25rem;padding:0;list-style:none;counter-reset:step}.steps li{counter-increment:step;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.25rem;box-shadow:var(--shadow)}.steps li:before{content:counter(step);display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--success-bg);color:var(--success);font-family:var(--font-mono);font-weight:700;font-size:.85rem;margin-bottom:.6rem}.ea-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.25rem;margin-top:1.5rem}.ea-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:1.5rem;display:flex;flex-direction:column;gap:.75rem;align-items:flex-start}.plan-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:1.75rem;max-width:360px}.plan-price{font-family:var(--font-mono);font-size:2.2rem;font-weight:700;margin:.5rem 0}.plan-list{list-style:none;padding:0;margin:1.25rem 0;display:flex;flex-direction:column;gap:.5rem}.plan-list li{display:flex;gap:.5rem;align-items:baseline;color:var(--text-muted);font-size:.92rem}.plan-list li:before{content:"✓";color:var(--success);font-weight:700}footer{padding:2rem 0 3rem}footer .links{display:flex;gap:1.25rem;flex-wrap:wrap;margin-bottom:.75rem}footer a{color:var(--text-muted)}