/* สไตล์กลางสำหรับหน้าบทความ (static) — โทนแดง-ทอง เข้าชุดเว็บหลัก */
:root{
  --darker:#2a0a09; --dark:#3a1210; --green:#1f110f;
  --gold:#eab23f; --goldlight:#f4d58a; --gold-deep:#c9902a;
  --maroon:#7a1714;
  --ink:#f3ece0; --muted:#c9b8a6; --line:rgba(234,178,63,.18);
  --card:#3a1512; --card2:#451a16;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--darker);color:var(--ink);
  font-family:'Kanit','Prompt',system-ui,sans-serif;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--goldlight);text-decoration:none}
a:hover{color:var(--gold)}
img{max-width:100%;height:auto;display:block}

/* topbar */
.top{
  position:sticky;top:0;z-index:20;background:rgba(42,10,9,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.top .in{max-width:1100px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.top .brand{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff}
.top .brand span{color:var(--gold)}
.top .brand img{width:36px;height:36px;object-fit:contain}
.top .cta{background:linear-gradient(135deg,var(--gold),var(--gold-deep));color:#2a0a09;font-weight:700;padding:9px 16px;border-radius:99px;font-size:14px;white-space:nowrap}
.top .cta:hover{color:#2a0a09;filter:brightness(1.05)}
@media(max-width:560px){.top .brand .sub{display:none}}

/* layout */
.wrap{max-width:760px;margin:0 auto;padding:0 20px}
.crumb{font-size:13px;color:var(--muted);padding:22px 0 0}
.crumb a{color:var(--muted)}.crumb a:hover{color:var(--gold)}

article h1{
  font-size:clamp(27px,5vw,42px);font-weight:800;line-height:1.2;margin:16px 0 10px;color:#fff;
  letter-spacing:-.01em;text-wrap:balance;
}
.meta{color:var(--muted);font-size:14px;margin-bottom:26px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.pill{background:var(--card);border:1px solid var(--line);color:var(--goldlight);font-size:12.5px;font-weight:600;padding:3px 11px;border-radius:99px}

article h2{font-size:clamp(21px,3.4vw,27px);font-weight:700;color:var(--gold);margin:38px 0 12px;line-height:1.3;text-wrap:balance}
article h3{font-size:18px;font-weight:600;color:var(--goldlight);margin:26px 0 8px}
article p{margin:0 0 16px;color:var(--ink)}
article ul,article ol{margin:0 0 18px;padding-left:22px}
article li{margin:0 0 9px}
article strong{color:#fff;font-weight:600}
.lead{font-size:18.5px;color:var(--muted)}

/* live price box */
.pricebox{
  background:linear-gradient(135deg,var(--card2),var(--dark));border:1px solid var(--line);
  border-radius:16px;padding:20px;margin:8px 0 28px;box-shadow:0 10px 30px rgba(0,0,0,.3);
}
.pricebox .ph{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;gap:10px;flex-wrap:wrap}
.pricebox .ph b{color:#fff;font-size:17px}
.pricebox .dot{font-size:12px;color:var(--muted)}
.pricebox .grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pricebox .cell{background:rgba(0,0,0,.22);border-radius:11px;padding:13px 14px}
.pricebox .cell .lab{font-size:12.5px;color:var(--muted)}
.pricebox .cell .val{font-size:23px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;margin-top:2px}
.pricebox .cell .val small{font-size:13px;font-weight:500;color:var(--muted)}
@media(max-width:480px){.pricebox .grid{grid-template-columns:1fr}}

/* callout */
.note{background:var(--card);border-left:3px solid var(--gold);border-radius:10px;padding:14px 16px;margin:0 0 22px}
.note b{color:var(--gold)}

/* FAQ */
.faq{margin:14px 0 0}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden}
.faq summary{padding:15px 18px;font-weight:600;cursor:pointer;color:#fff;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold);font-size:22px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq .a{padding:14px 18px;color:var(--muted)}
.faq .a p{margin:0 0 10px;color:var(--muted)}

/* CTA */
.cta-box{
  background:linear-gradient(135deg,var(--maroon),#3f0b09);border:1px solid var(--line);
  border-radius:18px;padding:26px;margin:38px 0 20px;text-align:center;
}
.cta-box h3{color:#fff;font-size:22px;margin:0 0 6px}
.cta-box p{color:#f2d9b8;margin:0 0 16px}
.cta-box .btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:7px;padding:11px 20px;border-radius:99px;font-weight:700}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-deep));color:#2a0a09}
.btn-gold:hover{color:#2a0a09;filter:brightness(1.05)}
.btn-line{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.25)}
.btn-line:hover{color:#fff;background:rgba(255,255,255,.16)}

/* related */
.related{border-top:1px solid var(--line);margin-top:40px;padding-top:26px}
.related h4{color:var(--gold);font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin:0 0 14px}
.related .cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.related a.rc{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:15px 16px;transition:.18s;display:block}
.related a.rc:hover{border-color:var(--gold);transform:translateY(-2px)}
.related a.rc .t{color:#fff;font-weight:600;font-size:15px;line-height:1.4}
.related a.rc .d{color:var(--muted);font-size:13px;margin-top:5px}
@media(max-width:560px){.related .cards{grid-template-columns:1fr}}

/* footer */
.foot{border-top:1px solid var(--line);margin-top:44px;background:var(--green)}
.foot .in{max-width:760px;margin:0 auto;padding:26px 20px;color:var(--muted);font-size:13.5px;text-align:center}
.foot .in a{color:var(--goldlight)}
.foot .in .row{margin-bottom:6px}

/* article index cards */
.hero-idx{text-align:center;padding:40px 0 8px}
.hero-idx h1{margin:0 0 8px}
.idx-list{display:grid;gap:14px;padding:24px 0 10px}
.idx-list a.ic{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px;transition:.18s;display:block}
.idx-list a.ic:hover{border-color:var(--gold);transform:translateY(-2px)}
.idx-list a.ic .t{color:#fff;font-weight:700;font-size:19px}
.idx-list a.ic .d{color:var(--muted);font-size:14.5px;margin-top:6px}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}