:root{
--blue:#0179C5;--deep:#0162A9;--sky:#01A3E4;--orange:#F08215;--green:#80C803;
--mist:#EAF6FD;--ink:#0F172A;--slate:#64748B;--white:#fff;
--radius:12px;--shadow:0 4px 20px rgba(10,124,255,.09)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);
font:400 17px/1.75 "IBM Plex Sans Thai",Inter,system-ui,sans-serif}
img{max-width:100%;display:block}
a{color:var(--blue)}
.wrap{max-width:1440px;margin:0 auto;padding:0 40px}
@media(max-width:900px){.wrap{padding:0 20px}}
h1,h2,h3{margin:0 0 12px;line-height:1.35;font-weight:700}
h1{font-size:clamp(30px,5vw,48px);font-weight:800}
h2{font-size:clamp(26px,3.6vw,34px)}
h3{font-size:22px}
p{margin:0 0 16px}
.lead{color:var(--slate);font-size:18px}
.muted{color:var(--slate)}
/* ปุ่ม */
.btn{display:inline-block;min-height:44px;padding:12px 26px;border-radius:10px;
font-weight:600;font-size:16px;text-decoration:none;border:0;cursor:pointer;line-height:1.4}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:#d9740f}
.btn-secondary{background:transparent;color:var(--deep);border:1.5px solid var(--deep)}
.btn-secondary:hover{background:var(--mist)}
.btn-white{background:#fff;color:var(--deep)}
.btn:focus-visible{outline:3px solid rgba(240,130,21,.55);outline-offset:2px}
/* หัวเว็บ */
.nav{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #e6eef5}
.nav .wrap{display:flex;align-items:center;gap:18px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700;font-size:20px}
.nav-links{display:none;gap:20px;margin-left:auto}
.nav-links a{color:var(--ink);text-decoration:none;font-size:15px;font-weight:500}
.nav-links a:hover,.nav-links a[aria-current]{color:var(--blue)}
.nav-cta{display:none;margin-left:16px}
@media(min-width:900px){.nav-links{display:flex}.nav-cta{display:inline-block}}
/* ส่วนต่าง ๆ */
section{padding:56px 0}
.sec-mist{background:var(--mist)}
.sec-deep{background:var(--deep);color:#fff}
.sec-deep h2,.sec-deep h3{color:#fff}
.center{text-align:center}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}
.card h3{margin-bottom:8px}
.card p:last-child{margin-bottom:0}
.pill{display:inline-block;padding:5px 14px;border-radius:999px;font-size:14px;font-weight:600}
.pill-green{background:rgba(128,200,3,.15);color:#4a7302}
.pill-blue{background:var(--mist);color:var(--deep)}
.ico{width:48px;height:48px;border-radius:12px;background:var(--mist);color:var(--deep);
display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.hero{background:linear-gradient(180deg,var(--mist),#fff)}
.stat{text-align:center}
.stat b{display:block;font:800 34px/1.2 Inter,sans-serif;color:#fff}
.stat span{font-size:15px;color:rgba(255,255,255,.85)}
.step{display:flex;gap:16px;align-items:flex-start}
.step-n{flex:0 0 40px;height:40px;border-radius:50%;background:var(--deep);color:#fff;
display:flex;align-items:center;justify-content:center;font-weight:700}
table.res{width:100%;border-collapse:collapse;font-size:16px}
table.res th,table.res td{padding:12px 14px;border-bottom:1px solid #e6eef5;text-align:left}
table.res th{background:var(--mist);color:var(--deep);font-weight:600}
.field{margin-bottom:16px}
.field label{display:block;font-size:15px;font-weight:600;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1px solid #cfdce7;
border-radius:8px;font:inherit;font-size:16px;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--sky);
box-shadow:0 0 0 3px rgba(1,163,228,.18)}
/* ท้ายเว็บ */
footer{background:var(--ink);color:#cbd5e1;padding:48px 0 0}
footer a{color:#cbd5e1;text-decoration:none}
footer a:hover{color:#fff}
footer h4{color:#fff;font-size:16px;margin:0 0 12px}
.copy{border-top:1px solid #1e293b;margin-top:32px;padding:16px 0;text-align:center;font-size:14px}
/* แถบปุ่มลอยบนมือถือ */
.fab{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:1fr 1fr 1.2fr;
background:#fff;border-top:1px solid #e6eef5;box-shadow:0 -2px 12px rgba(0,0,0,.08)}
.fab a{min-height:56px;display:flex;align-items:center;justify-content:center;gap:6px;
text-decoration:none;font-weight:600;font-size:15px;color:var(--deep)}
.fab a.q{background:var(--orange);color:#fff}
@media(min-width:900px){.fab{display:none}}
@media(max-width:899px){body{padding-bottom:56px}}

.brand-name{display:block;font-weight:800;letter-spacing:.4px;line-height:1.1}
.brand-sub{display:block;font-size:10px;font-weight:700;letter-spacing:1.1px;color:var(--sky);text-transform:uppercase;margin-top:3px}
@media(max-width:560px){.brand-sub{display:none}.brand-name{font-size:15px}}
.lang-sw{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:32px;padding:0 10px;margin-left:6px;border:1.5px solid var(--sky);border-radius:999px;color:var(--deep);font-size:13px;font-weight:700;text-decoration:none;letter-spacing:.5px}
.lang-sw:hover{background:var(--sky);color:#fff}
@media(max-width:900px){.lang-sw{margin-left:0}}