:root{--bg:#04050d;--panel:#0b1024;--ink:#eef3ff;--text:#d6def3;--muted:#93a0c4;--cy:#54ade2;--line:rgba(150,190,230,.16)}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Sarabun","Prompt",system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;font-size:16px}
h1,h2,nav,.btn,.brand b{font-family:"Prompt","Sarabun",sans-serif}
a{color:var(--cy)}img{max-width:100%;height:auto;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.top{border-bottom:1px solid var(--line);background:#04050d}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand b{display:block;font-size:17px;font-weight:600}.brand i{font-style:normal;font-size:11px;letter-spacing:2px;color:var(--cy)}
.brand small{display:block;font-size:11px;color:var(--muted)}
.top nav{display:flex;flex-wrap:wrap;gap:4px}.top nav a{color:#c3cdea;text-decoration:none;font-size:14px;padding:6px 10px;border-radius:8px}
.top nav a:hover{background:rgba(255,255,255,.06);color:#fff}.top nav a.sw{border:1px solid var(--line)}
.doc{max-width:860px;padding-top:24px;padding-bottom:56px}
.crumb{font-size:.85rem;color:var(--muted)}.crumb a{color:var(--muted)}.crumb span{margin:0 2px}
h1{font-size:clamp(1.7rem,4vw,2.4rem);line-height:1.3;margin:14px 0 20px}
h2{font-size:1.3rem;margin:34px 0 10px}
p,li{color:var(--text);margin:0 0 14px}ul{padding-left:22px}
.fig{margin:22px 0;background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.fig img{width:100%}.fig figcaption{font-size:.88rem;color:var(--muted);padding:8px 14px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:16px 0}
.grid.g2 .fig{margin:0}.grid.g2 img{aspect-ratio:4/3;object-fit:cover}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden;text-decoration:none;color:var(--ink)}
.card img,.card .ph{width:100%;aspect-ratio:16/10;object-fit:cover}.card .ph{display:grid;place-items:center;color:var(--muted);font:600 20px "Prompt";letter-spacing:3px;background:#0e1430}
.card span{display:block;padding:12px 14px;font-size:.95rem}
.others li{margin-bottom:6px}
.cta{margin-top:40px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px}.cta h2{margin-top:0}
.btn{display:inline-block;border:1px solid var(--cy);border-radius:8px;padding:8px 16px;margin:6px 8px 0 0;text-decoration:none;color:var(--ink)}
.foot{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:.88rem;line-height:1.8}.foot a{color:var(--muted)}