@import url("/assets/fonts/fonts.css");
:root{
  --bg:#04060f; --surface:#0a1020; --surface2:#0e1730; --card:#101a36;
  --text:#e8ecf6; --heading:#ffffff; --muted:#98a4c0;
  --border:rgba(255,255,255,.10); --border2:rgba(255,255,255,.18);
  --gold:#f7c948; --gold2:#e0a11c; --brand:#38bdf8; --brand2:#7c5cff;
  --green:#34d399; --red:#fb7185;
  --maxw:1180px; --r:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Sarabun','Noto Sans Thai','Thonburi',system-ui,-apple-system,'Segoe UI',sans-serif;
  background:var(--bg);color:var(--text);font-size:1.02rem;line-height:1.8;overflow-x:hidden;padding-bottom:78px}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--gold);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{color:var(--heading);font-weight:800;line-height:1.45}
h1{font-size:1.72rem;margin:0 0 .7rem}
h2{font-size:1.3rem;margin:2.3rem 0 .9rem;scroll-margin-top:96px}
h3{font-size:1.08rem;margin:1.5rem 0 .5rem;color:var(--gold)}
p{margin-bottom:1.35rem}
ul,ol{margin:0 0 1.4rem 1.35rem}
li{margin-bottom:.45rem}
strong{color:var(--heading)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:var(--surface2);padding:.5rem 1rem;z-index:99}
.btn{display:inline-flex;align-items:center;gap:.45rem;padding:.62rem 1.15rem;border-radius:999px;
  text-decoration:none;font-weight:700;font-size:.93rem;line-height:1.2;border:1px solid transparent;
  transition:filter .2s,transform .12s}
.btn:hover{text-decoration:none;filter:brightness(1.1);transform:translateY(-1px)}
.btn-gold{background:linear-gradient(180deg,#ffe9a6 0%,var(--gold) 55%,var(--gold2) 100%);color:#2a1c00;
  box-shadow:0 6px 18px rgba(247,201,72,.24)}
.btn-ghost{border:1px solid var(--border2);color:var(--text);background:rgba(255,255,255,.03)}
.btn-blue{background:linear-gradient(180deg,#7dd3fc 0%,var(--brand) 60%,#0284c7 100%);color:#04202f}
.btn-lg{padding:.8rem 1.6rem;font-size:1rem}

/* ---------- topbar ---------- */
.topbar{background:linear-gradient(90deg,#0b1226,#131c3a);border-bottom:1px solid var(--border);font-size:.84rem}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:.7rem;min-height:42px;flex-wrap:wrap}
.topbar-info{display:flex;gap:1.1rem;color:var(--muted)}
.topbar b{color:var(--gold)}
.topbar-cta{display:flex;gap:.5rem;align-items:center}

/* ---------- header ---------- */
.site-header{background:rgba(6,10,24,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:900}
.header-inner{display:flex;align-items:center;gap:1.1rem;min-height:72px}
.logo{display:flex;align-items:center;gap:.55rem;color:var(--heading);flex:0 0 auto}
.logo:hover{text-decoration:none}
.logo-mark{width:42px;height:42px;flex:0 0 42px}
.logo-text{font-weight:800;font-size:1.5rem;letter-spacing:.5px;
  background:linear-gradient(180deg,#fff6d8,var(--gold) 45%,var(--gold2));-webkit-background-clip:text;
  background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.logo-sub{display:block;font-size:.62rem;letter-spacing:2.4px;color:var(--muted);font-weight:600;margin-top:-4px}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;gap:.15rem;list-style:none;margin:0;flex-wrap:wrap}
.main-nav a{color:var(--text);padding:.5rem .62rem;border-radius:10px;font-size:.9rem;font-weight:600;display:block}
.main-nav a:hover{background:rgba(255,255,255,.06);text-decoration:none;color:var(--gold)}
.main-nav a.on{color:var(--gold);background:rgba(247,201,72,.10)}
.header-cta{display:flex;gap:.45rem;align-items:center}
.nav-mobile{display:none;margin-left:auto}
.nav-mobile summary{list-style:none;cursor:pointer;border:1px solid var(--border2);border-radius:10px;
  padding:.45rem .7rem;font-size:.9rem;font-weight:700;color:var(--text)}
.nav-mobile summary::-webkit-details-marker{display:none}
.nav-mobile ul{list-style:none;margin:0;position:absolute;left:0;right:0;top:100%;background:var(--surface);
  border-bottom:1px solid var(--border);padding:.5rem 16px 1rem;z-index:950}
.nav-mobile li{border-bottom:1px solid var(--border)}

/* ---------- hero ---------- */
.hero-band{position:relative;background:
  radial-gradient(1100px 420px at 78% -10%,rgba(124,92,255,.22),transparent 65%),
  radial-gradient(760px 320px at 8% 6%,rgba(56,189,248,.16),transparent 62%),
  linear-gradient(180deg,#070c1c,#04060f);
  border-bottom:1px solid var(--border);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:2rem;align-items:center;padding:2.4rem 0 2.6rem}
.hero-pill{display:inline-block;border:1px solid rgba(247,201,72,.4);background:rgba(247,201,72,.09);
  color:var(--gold);border-radius:999px;padding:.28rem .85rem;font-size:.8rem;font-weight:700;margin-bottom:.9rem}
.hero-title{font-size:1.35rem;font-weight:700;color:var(--text);margin:0 0 .8rem;max-width:30ch}
.hero-stats{display:flex;gap:.6rem;flex-wrap:wrap;list-style:none;margin:0 0 1.2rem}
.hero-stats li{background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:12px;
  padding:.5rem .75rem;font-size:.82rem;color:var(--muted)}
.hero-stats b{display:block;color:var(--heading);font-size:1.05rem}
.hero-actions{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}
.hero-note{font-size:.8rem;color:var(--muted);margin:.7rem 0 0}
.hero-visual{position:relative}
.hero-visual img{width:100%;border-radius:20px;border:1px solid var(--border2);
  box-shadow:0 26px 60px rgba(0,0,0,.55)}

/* ---------- breadcrumb ---------- */
.crumb{font-size:.82rem;color:var(--muted);padding:.85rem 0 0}
.crumb ol{display:flex;gap:.45rem;list-style:none;margin:0;flex-wrap:wrap}
.crumb li::after{content:"›";margin-left:.45rem;color:var(--border2)}
.crumb li:last-child::after{content:""}

/* ---------- content ---------- */
main{padding:2rem 0 1rem;display:block}
.article-head{border-bottom:1px solid var(--border);padding-bottom:1.1rem;margin-bottom:.6rem}
.badge-line{display:flex;gap:.5rem;flex-wrap:wrap;font-size:.8rem;color:var(--muted);margin:0}
.badge-line span{border:1px solid var(--border);border-radius:999px;padding:.2rem .7rem;background:rgba(255,255,255,.03)}
.toc{background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.015));
  border:1px solid var(--border);border-radius:var(--r);padding:1.1rem 1.2rem .6rem;margin:1.4rem 0 2rem}
.toc h2{margin:0 0 .7rem;font-size:1.05rem;color:var(--gold);letter-spacing:.3px}
.toc ul{list-style:none;margin:0;columns:2;column-gap:2rem}
.toc li{margin-bottom:.5rem;break-inside:avoid}
.toc a{color:var(--text);font-size:.94rem}
.toc a::before{content:"▸";color:var(--gold);margin-right:.45rem}
.sec{margin-bottom:.4rem}
.sec p:first-of-type{color:#f2f5fb}
.fig{margin:1.4rem 0;border:1px solid var(--border);border-radius:var(--r);overflow:hidden;background:#070c1b}
.fig img{width:100%}
.fig::after{content:attr(data-cap);display:block;padding:.6rem .9rem;font-size:.8rem;color:var(--muted);
  border-top:1px solid var(--border);background:rgba(255,255,255,.02)}
.tbl{width:100%;border-collapse:collapse;margin:1.2rem 0 1.6rem;font-size:.9rem;
  border:1px solid var(--border);border-radius:var(--r);overflow:hidden}
.tbl caption{caption-side:top;text-align:left;color:var(--muted);font-size:.82rem;padding-bottom:.5rem}
.tbl th{background:rgba(247,201,72,.10);color:var(--heading);text-align:left;padding:.68rem .8rem;
  font-weight:700;border-bottom:1px solid var(--border2)}
.tbl td{padding:.62rem .8rem;border-bottom:1px solid var(--border);color:var(--text)}
.tbl tr:last-child td{border-bottom:0}
.tbl tr:nth-child(even) td{background:rgba(255,255,255,.018)}
.facts{background:rgba(56,189,248,.06);border:1px solid rgba(56,189,248,.22);border-radius:var(--r);
  padding:1rem 1rem .5rem 2rem;margin:1.2rem 0 1.6rem}
.facts li{font-size:.95rem}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:.9rem;margin:1.1rem 0 1.6rem;list-style:none}
.cards li{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:.95rem 1rem;margin:0}
.cards b{display:block;color:var(--heading);margin-bottom:.25rem;font-size:1rem}
.cards span{font-size:.86rem;color:var(--muted);line-height:1.65}
.steps{counter-reset:st;list-style:none;margin:1.1rem 0 1.6rem}
.steps li{counter-increment:st;position:relative;padding-left:2.6rem;margin-bottom:1rem}
.steps li::before{content:counter(st);position:absolute;left:0;top:0;width:1.85rem;height:1.85rem;
  border-radius:50%;background:linear-gradient(180deg,#ffe9a6,var(--gold2));color:#2a1c00;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.9rem}
.steps b{display:block;color:var(--heading)}
.steps span{font-size:.9rem;color:var(--muted)}
.faq-item{border:1px solid var(--border);border-radius:14px;background:var(--card);padding:1rem 1.1rem;
  margin-bottom:.7rem}
.faq-q{margin:0 0 .45rem;font-size:1.02rem;color:var(--heading)}
.faq-q::before{content:"Q";display:inline-flex;align-items:center;justify-content:center;width:1.35rem;height:1.35rem;
  border-radius:6px;background:rgba(247,201,72,.16);color:var(--gold);font-size:.78rem;margin-right:.5rem;font-weight:800}
.faq-item p{margin:0;font-size:.95rem;color:var(--text)}
.inline-cta{background:linear-gradient(120deg,rgba(247,201,72,.12),rgba(124,92,255,.12));
  border:1px solid rgba(247,201,72,.3);border-radius:var(--r);padding:1rem 1.15rem;margin:1.4rem 0}
.inline-cta p{margin:0 0 .7rem}
.rel-links{background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:var(--r);
  padding:1rem 1.15rem .6rem;margin:1.6rem 0}
.rel-links h2{margin:0 0 .6rem;font-size:1.02rem;color:var(--gold)}
.rel-links ul{margin:0 0 .4rem 1.2rem}
.rel-links a{color:var(--text)}
.article-note{font-size:.82rem;color:var(--muted);border-top:1px solid var(--border);margin-top:1.6rem;padding-top:.9rem}

/* ---------- trust / cta / footer ---------- */
.trust{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:1.5rem 0}
.trust ul{display:grid;grid-template-columns:repeat(4,1fr);gap:.9rem;list-style:none;margin:0}
.trust li{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:.85rem 1rem}
.trust b{display:block;color:var(--gold);font-size:1.15rem}
.trust span{font-size:.84rem;color:var(--muted)}
.cta-band{background:
  radial-gradient(760px 300px at 20% 0%,rgba(247,201,72,.14),transparent 60%),
  radial-gradient(680px 320px at 88% 100%,rgba(124,92,255,.18),transparent 62%),#070c1c;
  border-top:1px solid var(--border);padding:2.4rem 0;text-align:center}
.cta-band h2{margin-top:0}
.cta-band p{color:var(--muted);max-width:62ch;margin:0 auto 1.2rem}
.site-footer{background:#03050c;border-top:1px solid var(--border);padding:2.2rem 0 1.2rem;font-size:.88rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:1.6rem}
.foot-brand img{width:150px;margin-bottom:.7rem}
.foot-brand p{color:var(--muted);font-size:.84rem;margin:0 0 .6rem}
.foot-col h3{color:var(--heading);font-size:.95rem;margin:0 0 .6rem;text-transform:none}
.foot-col ul{list-style:none;margin:0}
.foot-col a{color:var(--muted)}
.foot-col a:hover{color:var(--gold)}
.foot-bottom{border-top:1px solid var(--border);margin-top:1.6rem;padding-top:1rem;color:var(--muted);font-size:.8rem;
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:960;background:rgba(4,6,15,.96);
  border-top:1px solid var(--border);padding:.55rem 12px;display:flex;gap:.5rem;justify-content:center}
.sticky-cta .btn{flex:1;justify-content:center;max-width:220px}
.age-note{font-size:.78rem;color:var(--muted);max-width:70ch;margin:.6rem auto 0;text-align:center}

@media(max-width:1000px){
  .main-nav{display:none}.nav-mobile{display:block}
  .hero-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .trust ul{grid-template-columns:1fr 1fr}
  .cards{grid-template-columns:1fr 1fr}
  .toc ul{columns:1}
}
@media(max-width:640px){
  .header-cta .btn-ghost{display:none}
  .foot-grid{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  h1{font-size:1.45rem}
  .sticky-cta .btn{font-size:.85rem;padding:.55rem .7rem}
}