:root{
  --blue:#005A96; --navy:#00233A; --box:#001320; --strip:#00233A;
  --gold:#FFAD2C; --gold-deep:#C98822; --link:#FFEA00;
  --text:#FFFFFF; --muted:#E4ECF2;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Prompt",system-ui,sans-serif;background:var(--navy);color:var(--text);line-height:1.6;font-size:15px}
img,svg{display:block;max-width:100%}
a{color:inherit}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:8px;background:var(--gold);color:var(--box);padding:6px 12px;border-radius:6px;z-index:99}

/* header */
.site-head{background:var(--blue);border-bottom:2px solid var(--gold);position:sticky;top:0;z-index:40}
.head-in{max-width:1366px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:24px}
.logo{text-decoration:none;font-weight:800;font-style:italic;font-size:26px;letter-spacing:-.5px;line-height:1;
  background:linear-gradient(180deg,#FFF6C8 0%,#FFD24A 40%,#E59A12 70%,#FFE27A 100%);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 2px 0 #7A4A00) drop-shadow(0 0 1px #3a2400);white-space:nowrap}
.menu{display:flex;gap:4px;margin-left:40px}
.menu a{text-decoration:none;font-weight:600;font-size:15px;padding:8px 20px;color:#fff}
.menu a[aria-current]{color:var(--gold)}
.menu a:hover{color:var(--gold)}
.social{display:flex;gap:14px;margin-left:auto}
.social a{width:46px;height:46px;border-radius:6px;display:grid;place-items:center}
.social .fb{background:#3B5998}.social .x{background:#1DA1F2}.social .yt{background:#CD201F}
.social svg{width:24px;height:24px;fill:#fff}
.head-btns{display:flex;gap:22px}
.head-btns .btn{width:204px}
.burger{display:none}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;text-decoration:none;font-weight:600;font-size:16px;border-radius:30px;padding:9px 20px;line-height:1.4}
.btn svg{width:16px;height:16px;flex:none}
.btn-gold{background:linear-gradient(180deg,var(--gold) 0%,var(--gold-deep) 100%);color:#fff;fill:#fff}
.btn-white{background:#fff;color:var(--blue);fill:var(--blue);border:2px solid var(--blue)}
.btn:hover{filter:brightness(1.08)}
.btn-row{display:flex;justify-content:center;gap:20px;padding:0 75px}
.btn-row .btn{flex:1;max-width:360px}
.btn-row.two .btn{max-width:550px}

/* content boxes */
main{max-width:1366px;margin:0 auto;padding:10px 28px 20px}
.box{background:var(--box);border-radius:10px;padding:20px;margin:10px 0 20px}
.box h1,.box h2{color:var(--gold);text-align:center;font-weight:600;line-height:1.25;margin:10px 0 28px}
.box h1{font-size:30px}
.box h2{font-size:26px;margin-top:38px}
.box h2:first-child{margin-top:10px}
.box p{color:var(--muted);font-size:15px;margin:0 0 14px;padding:0 0}
.box .copy{padding:0 0 0 0}
.box .copy.inset{padding:0 10px}
.box p a{color:var(--link);font-style:italic;font-weight:700;text-decoration:underline}
.box p b{color:var(--link);font-style:italic;font-weight:700}
.box h3{background:var(--strip);color:var(--gold);font-size:22px;font-weight:600;line-height:1.3;padding:4px 10px;margin:28px 0 20px}
.art{border-radius:18px;overflow:hidden;margin:28px auto}
.art svg{width:100%;height:auto}
.hero-art{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:0 0;margin:0 0 20px}
.hero-art .art{margin:0}
.hero-art .ph{aspect-ratio:1/1}
.wide{max-width:1228px}
.wide.a{aspect-ratio:768/357}
.wide.b{aspect-ratio:768/279}

/* footer */
.site-foot{background:var(--blue);border-top:2px solid var(--gold);padding:18px 20px 30px;text-align:center}
.foot-in{max-width:1120px;margin:0 auto}
.site-foot .logo{display:inline-block;font-size:40px;margin:12px 0 18px}
.site-foot h2{color:var(--gold);font-size:21px;font-weight:600;margin-bottom:18px}
.site-foot p{color:#fff;font-size:14px;max-width:1120px;margin:0 auto}
.site-foot p a{color:var(--link);font-style:italic;font-weight:700}
.hatch{height:22px;margin:48px 0 40px;background:repeating-linear-gradient(-60deg,var(--gold) 0 2px,transparent 2px 9px)}
.foot-cols{display:grid;grid-template-columns:1fr 1fr;gap:40px;text-align:left}
.foot-cols h4{color:var(--gold);font-size:17px;font-weight:600;text-align:center;margin:18px 0 16px}
.banks{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.banks span{display:inline-grid;place-items:center;min-width:44px;height:30px;padding:0 8px;border-radius:6px;font-size:12px;font-weight:700;color:#fff}
.certs{display:flex;justify-content:center;gap:18px;flex-wrap:wrap}
.certs span{border:1.5px solid rgba(255,255,255,.8);border-radius:8px;padding:4px 12px;font-weight:700;font-size:14px}
.services{list-style:none;max-width:520px;margin:0 auto}
.services li{border-bottom:1px solid rgba(255,255,255,.7)}
.services a{display:block;text-decoration:none;padding:8px 0 8px 22px;position:relative;font-size:15px}
.services a::before{content:"»";position:absolute;left:0;color:var(--gold);font-weight:700;font-size:20px;line-height:1.1}
.legal{margin-top:26px;font-size:12.5px;opacity:.85}

/* fixed mobile bar */
.bottom-bar{display:none}

@media (max-width:1024px){
  .menu,.social,.head-btns .btn-white{display:none}
  .head-in{justify-content:space-between;gap:12px;padding:10px 16px}
  .head-btns .btn{width:auto;padding:9px 22px;white-space:nowrap}
  .burger{display:block}
  .burger summary{list-style:none;cursor:pointer;width:40px;height:40px;border-radius:4px;display:grid;place-items:center;background:rgba(0,0,0,.12)}
  .burger summary::-webkit-details-marker{display:none}
  .burger svg{width:24px;fill:var(--gold)}
  .burger nav{position:absolute;left:0;right:0;top:100%;background:var(--blue);border-bottom:2px solid var(--gold)}
  .burger nav a{display:block;padding:12px 20px;text-decoration:none;font-weight:600;border-top:1px solid rgba(255,255,255,.15)}
  main{padding:10px 10px 20px}
  .btn-row{padding:0;flex-wrap:wrap;gap:12px 20px}
  .btn-row{justify-content:flex-start}
  .btn-row .btn{flex:0 1 calc(50% - 10px);max-width:none}
  body{padding-bottom:64px}
  .bottom-bar{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:50;background:var(--blue);border-top:2px solid var(--gold)}
  .bottom-bar a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:7px 0 8px;font-size:12px;text-decoration:none;color:#fff}
  .bottom-bar svg{width:24px;height:24px;fill:var(--gold)}
  .bottom-bar a.main{background:linear-gradient(180deg,var(--gold),var(--gold-deep));margin-top:-14px;border-radius:14px 14px 0 0}
  .bottom-bar a.main svg{fill:#fff}
}
@media (max-width:767px){
  .logo{font-size:22px}
  .hero-art{grid-template-columns:1fr;padding:0 10px}
  .box{padding:20px 10px}
  .box h1{font-size:26px;padding:0 12px}
  .box h2{font-size:22px}
  .box h3{font-size:19px}
  .box p{text-align:center}
  .box h3 + p{text-align:left}
  .foot-cols{grid-template-columns:1fr}
}

/* floating login/register pair (desktop); mobile uses the bottom bar */
.float-btns{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);z-index:45;display:flex;gap:22px;width:min(700px,calc(100% - 40px))}
.float-btns .btn{flex:1;box-shadow:0 6px 18px rgba(0,0,0,.45)}
body{padding-bottom:80px}

/* subpages */
h1.strip{background:var(--blue);color:var(--gold);text-align:center;font-size:26px;font-weight:600;line-height:1.3;border-radius:8px;padding:10px 16px;margin:10px 0 24px}
.box > h1.strip{margin-top:0}
.box .copy{margin-top:18px}
.box .btn-row + .copy{margin-top:22px}
.promo-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:22px 0}
.promo-item{background:var(--strip);border:1px solid rgba(255,173,44,.35);border-radius:10px;padding:14px 18px}
.promo-item b{display:block;color:var(--gold);font-size:18px}
.promo-item span{color:var(--muted);font-size:14px}

/* article index */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;max-width:1080px;margin:0 auto 20px}
.card{background:var(--blue);border-radius:18px;overflow:hidden;display:flex;flex-direction:column}
.card-art svg{width:100%;height:auto}
.card-body{padding:18px 22px 22px}
.card h3{font-size:19px;line-height:1.35;margin-bottom:10px}
.card h3 a{text-decoration:none;color:#fff}
.card p{font-size:13.5px;color:var(--muted);margin-bottom:12px}
.card .more{color:var(--gold);font-size:14px;text-decoration:none;font-weight:600}

/* article page */
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}
.article .art.hero{margin:0 auto 18px;max-width:760px}
.article .copy h2{color:var(--gold);font-size:22px;font-weight:600;line-height:1.35;margin:28px 0 12px;text-align:left}
.article .copy ul{margin:0 0 14px 22px;color:var(--muted)}
.article .copy li{margin-bottom:6px}
.article .copy a{color:var(--link);font-style:italic;font-weight:700}
.article .btn-row{margin-top:24px}
.related-h{background:none!important;padding:0!important;margin:28px 0 8px!important}
.related{margin-left:22px}
.related a{color:var(--link);font-style:italic;font-weight:700}
.sidebar{position:sticky;top:90px;display:flex;flex-direction:column;gap:16px}
.toc{background:var(--blue);border:1px solid rgba(255,255,255,.25);border-radius:8px;padding:14px 16px}
.toc b{display:block;color:#fff;margin-bottom:8px}
.toc ol{margin-left:18px;font-size:13.5px}
.toc li{margin-bottom:6px}
.toc a{color:#fff;text-decoration:none}
.toc a:hover{color:var(--gold)}
.sidebar h4{color:var(--gold);text-align:center;font-size:18px;font-weight:600}
.side-card{display:block;background:var(--blue);border-radius:12px;overflow:hidden;text-decoration:none;padding-bottom:12px}
.side-card svg{width:100%;height:auto}
.side-card b{display:block;color:var(--gold);font-size:14.5px;line-height:1.35;padding:10px 12px 4px}
.side-card span{display:block;color:var(--muted);font-size:12.5px;padding:0 12px}

@media (max-width:1024px){
  .float-btns{display:none}
  .article-wrap{grid-template-columns:1fr}
  .sidebar{position:static}
  .cards{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .cards,.promo-list{grid-template-columns:1fr}
  h1.strip{font-size:21px}
  .article .copy p{text-align:left}
}

/* homepage "บทความแนะนำ" cards: the article grid, inside a content box */
.box.recommended .cards{margin:8px auto 10px}
/* .box h3 is the dark "strip" heading of the article copy; a card title inside
   a box must look like the /article/ grid's, not like a strip. */
.box .card h3{background:none;padding:0;margin:0 0 10px;font-size:19px;line-height:1.35}