/* d5599.online — site additions layered on top of tk-base.css (design base from the
   reference site). Keep tokens identical: --primary #8b5cf6 · --accent #6366f1 ·
   --bg #020617 · --surface #040c2e · --text #eaedf3 · --muted #a3adbe */

:root {
  --radius-lg: 22px;
  --radius-md: 16px;
  --shadow-soft: 0 18px 45px rgba(2, 6, 23, .55);
  --glow: 0 0 0 1px rgba(139, 92, 246, .35), 0 14px 40px rgba(99, 102, 241, .25);
}

body { background: var(--bg); color: var(--text); overflow-x: hidden; }
img { max-width: 100%; height: auto; }
a { text-decoration: none; }

/* ── nav ─────────────────────────────────────────────────────────────────── */
.navbar.scrolled { background: rgba(2, 6, 23, .92); box-shadow: 0 10px 30px rgba(0, 0, 0, .45); }
.nav-cta { padding: .45rem 1.1rem !important; border-radius: 999px; font-weight: 700; }
@media (max-width: 991px) {
  .navbar-collapse.show { background: var(--surface); border-radius: var(--radius-md); padding: .75rem; margin-top: .5rem; }
}

/* ── hero (home + inner) ─────────────────────────────────────────────────── */
.hero-section { position: relative; overflow: hidden; padding: 118px 0 54px; }
.hero-section .hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-section .hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .34; }
.hero-section .hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(60% 60% at 50% 30%, rgba(139, 92, 246, .35), transparent 70%),
              linear-gradient(180deg, rgba(2, 6, 23, .55), var(--bg) 92%);
}
.page-hero { padding: 104px 0 34px; }
.page-hero .hero-content { max-width: 940px; }
.hero-title { font-size: clamp(1.65rem, 3.6vw, 2.6rem); line-height: 1.28; font-weight: 800; }
.hero-lead { color: var(--muted); font-size: 1.02rem; line-height: 1.75; max-width: 880px; }
.trust-row { display: flex; flex-wrap: wrap; gap: .5rem .75rem; justify-content: center; margin-top: 1rem; }
.trust-row span {
  font-size: .82rem; color: #d9dcea; border: 1px solid var(--border); border-radius: 999px;
  padding: .3rem .8rem; background: rgba(139, 92, 246, .08);
}

/* ── article ─────────────────────────────────────────────────────────────── */
.article-wrap { max-width: 1000px; margin: 0 auto; padding: 0 1rem 3rem; }
main h2, .article-wrap h2 {
  font-size: clamp(1.2rem, 2.2vw, 1.5rem); font-weight: 800; color: var(--heading);
  margin: 2.4rem 0 .9rem; line-height: 1.45; scroll-margin-top: 90px;
}
main h3 { font-size: 1.08rem; font-weight: 700; color: #ded9ff; margin: 1.6rem 0 .6rem; }
main p { color: #d6dae6; line-height: 1.95; font-size: 1.02rem; margin: 0 0 1.05rem; }
main ul, main ol { color: #d6dae6; line-height: 1.9; margin: 0 0 1.2rem 1.1rem; }
main li { margin-bottom: .35rem; }
main a { color: #c4b5fd; text-decoration: underline; text-underline-offset: 3px; }
main a:hover { color: #ede9fe; }

.toc {
  background: linear-gradient(180deg, rgba(99, 102, 241, .14), rgba(4, 12, 46, .72));
  border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 1.15rem 1.35rem; margin: 1.6rem 0 2rem; box-shadow: var(--shadow-soft);
}
.toc h2 { margin: 0 0 .6rem; font-size: 1.02rem; }
.toc ol { margin: 0; padding-left: 1.2rem; }
.toc li { margin: .35rem 0; }
.toc a { color: #ddd6fe; }

.tb { width: 100%; border-collapse: collapse; margin: 1.2rem 0 1.9rem; font-size: .96rem; }
.tb th, .tb td { border: 1px solid var(--border); padding: .65rem .8rem; text-align: left; vertical-align: top; }
.tb th { background: rgba(139, 92, 246, .18); color: var(--heading); font-weight: 700; }
.tb tr:nth-child(even) td { background: rgba(255, 255, 255, .026); }

.art-fig { margin: 1.5rem 0 2rem; }
.art-fig img {
  width: 100%; display: block; border-radius: var(--radius-md);
  border: 1px solid var(--border); box-shadow: var(--shadow-soft); background: #0b1030;
}
.art-fig figcaption { color: var(--muted); font-size: .86rem; margin-top: .5rem; }

.faq { border: 1px solid var(--border); border-radius: var(--radius-md); margin-bottom: .75rem; background: rgba(4, 12, 46, .6); }
.faq summary {
  cursor: pointer; list-style: none; padding: .95rem 3rem .95rem 1.1rem; position: relative;
  font-weight: 700; color: var(--heading); font-size: 1.01rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "\F282"; font-family: "bootstrap-icons"; position: absolute; right: 1.1rem; top: .95rem;
  color: var(--primary); transition: transform .2s ease;
}
.faq[open] summary::after { transform: rotate(180deg); }
.faq[open] { border-color: rgba(139, 92, 246, .45); }
.faq p { padding: 0 1.1rem .35rem; margin: 0 0 .6rem; color: #cfd4e3; }

.article-note {
  border-top: 1px solid var(--border); margin-top: 2rem; padding-top: 1rem;
  color: var(--muted); font-size: .87rem; line-height: 1.85;
}
.article-note strong { color: #ddd6fe; }

/* ── CTA bands ───────────────────────────────────────────────────────────── */
.cta-band { background: linear-gradient(120deg, rgba(139, 92, 246, .22), rgba(2, 6, 23, .9)); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 2.2rem 0; }
.cta-band h2 { color: var(--heading); font-weight: 800; font-size: clamp(1.15rem, 2.4vw, 1.5rem); }
.cta-band p { color: var(--muted); margin: .5rem 0 1.1rem; }
.cta-links { display: flex; flex-wrap: wrap; gap: .75rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; margin: 1.4rem 0 2rem; }
.card-soft { border: 1px solid var(--border); border-radius: var(--radius-md); background: rgba(4, 12, 46, .66); padding: 1.1rem; }
.card-soft h3 { margin: .2rem 0 .5rem; font-size: 1.02rem; }
.card-soft .card-num { font-size: 1.5rem; font-weight: 800; color: #c4b5fd; }

/* ── sticky mobile CTA ───────────────────────────────────────────────────── */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 1030; display: none;
  gap: .5rem; padding: .55rem .75rem calc(.55rem + env(safe-area-inset-bottom));
  background: rgba(2, 6, 23, .95); border-top: 1px solid var(--border);
}
.sticky-cta a { flex: 1; text-align: center; padding: .7rem .5rem; border-radius: 999px; font-weight: 700; font-size: .95rem; }
@media (max-width: 767px) {
  .sticky-cta { display: flex; }
  body { padding-bottom: 64px; }
  .tb { display: block; overflow-x: auto; white-space: nowrap; }
  .article-wrap { padding-bottom: 2rem; }
}

/* ── misc ────────────────────────────────────────────────────────────────── */
.section-pad { padding: 2.6rem 0; }
.section-title { font-weight: 800; color: var(--heading); font-size: clamp(1.25rem, 2.6vw, 1.7rem); }
.section-sub { color: var(--muted); }
.legal { color: var(--muted); font-size: .86rem; line-height: 1.8; }

/* ── stat bar (chrome ใต้ <main>) ─────────────────────────────────────────── */
.stat-bar { background: linear-gradient(180deg, var(--surface), rgba(2, 6, 23, .95)); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 1.8rem 0; }
.stat-cell { text-align: center; border: 1px solid var(--border); border-radius: var(--radius-md); padding: .9rem .6rem; background: rgba(139, 92, 246, .07); }
.stat-num { font-size: 1.35rem; font-weight: 800; color: #c4b5fd; }
.stat-label { color: var(--muted); font-size: .84rem; margin-top: .2rem; }

/* ── footer ──────────────────────────────────────────────────────────────── */
.site-footer { background: #01040f; border-top: 1px solid var(--border); padding: 2.6rem 0 5rem; }
.site-footer .footer-links { list-style: none; padding: 0; margin: .5rem 0 0; }
.site-footer .footer-links a { color: var(--muted); font-size: .92rem; }
.site-footer .footer-links a:hover { color: #c4b5fd; }
.navbar { background: rgba(2, 6, 23, .82); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }