/* หัวหน้า + ท้ายเว็บชุดเดียว (nh-* / nf-*) — ไม่พึ่ง CSS ของหน้าไหน ใช้ฟอนต์ของหน้านั้น (Sarabun) */
.nh,.nf{--nh-ink:#1B2330;--nh-jade:#0E6B5A;--nh-black:#101614;--nh-mint:#7FE3C0;--nh-rule:#E6EAE8;font-family:inherit;line-height:1.5;letter-spacing:0;text-align:left}
.nh *,.nf *{box-sizing:border-box}
.nh{position:sticky;top:0;z-index:1000;background:#fff;border-bottom:1px solid var(--nh-rule)}
.nh-wrap{max-width:1200px;margin:0 auto;padding:0 20px;min-height:68px;display:flex;align-items:center;gap:20px}
.nh a,.nf a{text-decoration:none}
.nh-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--nh-ink);margin-right:auto}
.nh-mark,.nf-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:11px;background:var(--nh-black);flex:none}
.nh-mark img,.nf-mark img{width:30px;height:auto;display:block}
.nh-nav{display:flex;align-items:center;gap:6px}
.nh-nav>a,.nh-dd-btn{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border:0;background:none;border-radius:10px;font:inherit;font-size:16px;font-weight:600;color:var(--nh-ink);cursor:pointer}
.nh-nav>a:hover,.nh-dd-btn:hover{background:#F1F5F3;color:var(--nh-jade)}
.nh-caret{width:7px;height:7px;margin-left:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px)}
.nh-dd{position:relative}
.nh-sub{position:absolute;left:0;top:100%;min-width:220px;padding:8px;background:#fff;border:1px solid var(--nh-rule);border-radius:14px;box-shadow:0 12px 32px rgba(16,22,20,.12);display:none}
.nh-dd:hover .nh-sub,.nh-dd.open .nh-sub,.nh-dd:focus-within .nh-sub{display:grid}
.nh-sub a{display:flex;align-items:center;min-height:44px;padding:0 14px;border-radius:10px;font-size:16px;font-weight:600;color:var(--nh-ink)}
.nh-sub a:hover{background:#F1F5F3;color:var(--nh-jade)}
.nh-cta{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:12px;background:var(--nh-black);color:#fff;font-size:16px;font-weight:700;white-space:nowrap}
.nh-cta:hover{background:var(--nh-jade);color:#fff}
.nh-burger{display:none;width:44px;height:44px;border:1px solid var(--nh-rule);border-radius:12px;background:#fff;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nh-burger span{display:block;width:20px;height:2px;background:var(--nh-ink);border-radius:2px}
@media (max-width:860px){
 .nh-wrap{gap:10px;padding:0 16px;flex-wrap:wrap}
 .nh-logo{font-size:18px}
 .nh-cta{padding:0 14px;font-size:15px}
 .nh-burger{display:flex}
 .nh-nav{display:none;order:9;width:100%;flex-direction:column;align-items:stretch;gap:0;padding:8px 0 14px;border-top:1px solid var(--nh-rule)}
 .nh.open .nh-nav{display:flex}
 .nh-nav>a,.nh-dd-btn{width:100%;justify-content:flex-start}
 .nh-caret{display:none}
 .nh-dd-btn{cursor:default;color:#5B6660;font-size:14px;min-height:36px}
 .nh-sub{position:static;display:grid;border:0;box-shadow:none;padding:0 0 6px 12px;min-width:0}
}
.nf{background:var(--nh-black);color:#C9D6D1;padding:64px 0 32px;font-size:15px}
.nf-in{max-width:1200px;margin:0 auto;padding:0 20px}
.nf-grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:32px}
.nf-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:#fff}
.nf-mark{background:#fff}
.nf-about{margin:16px 0 0;max-width:22em;color:#C9D6D1}
.nf h4{color:var(--nh-mint);font-size:14px;font-weight:800;margin:0 0 12px}
.nf ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.nf a{color:#C9D6D1}
/* พื้นที่กดลิงก์ท้ายเว็บสูง ≥24px (WCAG 2.2 · 2.5.8 Target Size Minimum) */
.nf li a{display:inline-flex;align-items:center;min-height:24px}
.nf a:hover{color:#fff}
.nf-fine{margin:56px 0 0;padding-top:24px;border-top:1px solid #26302D;font-size:13px;color:#8FA39C}
@media (max-width:1023px){.nf-grid{grid-template-columns:1fr 1fr}.nf-grid>div:first-child{grid-column:1/-1}}
/* หัวเว็บ v2 มินิมอล (21 ต.ค. 69 · ลอย): ทุกอย่างชิดขวาเป็นกลุ่มเดียว · เส้นคั่นบางก่อนปุ่ม · มือถือเหลือโลโก้ + ปุ่ม + เมนู */
.nh-wrap{min-height:64px;gap:8px}
.nh .nh-mark{width:36px;height:36px;border-radius:10px}.nh .nh-mark img{width:27px}
.nh .nh-word{display:inline;width:auto;height:auto;background:none;border-radius:0;place-items:normal}
.nh-logo{font-size:18px;letter-spacing:-.005em}
.nh-nav{gap:2px}
.nh-nav>a,.nh-dd-btn{min-height:40px;padding:0 12px;font-size:15px;font-weight:600;color:#3A4450}
.nh-nav>a:hover,.nh-dd-btn:hover{background:none;color:var(--nh-ink);text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:6px}
.nh-caret{width:6px;height:6px;margin-left:7px;border-width:0 1.5px 1.5px 0;opacity:.7}
.nh-cta{min-height:40px;padding:0 18px;border-radius:10px;font-size:15px;margin-left:12px;position:relative}
.nh-cta::before{content:"";position:absolute;left:-13px;top:10px;bottom:10px;width:1px;background:var(--nh-rule)}
@media (max-width:860px){
 .nh-wrap{min-height:60px;gap:8px}
 .nh .nh-word{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
 .nh-cta{margin-left:0;padding:0 16px;font-size:15px}
 .nh-cta::before{display:none}
 .nh-burger{width:40px;height:40px;border:0;border-radius:10px;gap:5px}
 .nh-burger:hover{background:#F1F5F3}
 .nh-burger span{width:20px;height:1.5px}
 .nh.open .nh-burger span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
 .nh.open .nh-burger span:nth-child(2){opacity:0}
 .nh.open .nh-burger span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
 .nh-nav>a,.nh-dd-btn{font-size:16px;min-height:44px}
 .nh-dd-btn{font-size:13px;min-height:32px;color:#6B7570}
}
@media (prefers-reduced-motion:no-preference){.nh-burger span{transition:transform .2s,opacity .2s}}