/* ============================================
   SIAM MADEE — บริษัทนำคนต่างด้าวมาทำงานในประเทศ สยาม มาดี จำกัด
   Static rebuild · brand: green + gold
   ============================================ */

:root {
  /* 品牌色（直接從 logo 取） */
  --brand:        #0aa410;   /* 主綠 */
  --brand-dark:   #067a0c;   /* 深綠 hover */
  --brand-soft:   #e6f7e7;   /* 淺綠底 */
  --gold:         #f5ce04;   /* 主黃 */
  --gold-dark:    #c79e00;
  --gold-soft:    #fff9dd;

  --dark:         #1b1701;   /* 深底（footer / topbar） */
  --text:         #232323;
  --text-muted:   #5a6168;
  --text-light:   #8b929a;

  --bg:           #ffffff;
  --bg-soft:      #f7f9f6;   /* 區段交替底 — 一抹綠灰 */
  --bg-band:      #f1f6ed;

  --border:       #e3e6e1;
  --border-soft:  #eef0eb;

  --shadow:       0 2px 12px rgba(6, 87, 10, 0.06);
  --shadow-md:    0 4px 16px rgba(6, 87, 10, 0.10);
  --shadow-lg:    0 12px 32px rgba(6, 87, 10, 0.14);

  --radius:       6px;
  --radius-lg:    14px;
  --max-width:    1200px;

  /* 字 — 泰中英多語 */
  --font-base:    'Sarabun', 'Noto Sans Thai', 'Noto Sans TC', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Prompt', 'Sarabun', 'Noto Sans Thai', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-base);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand-dark); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--brand); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--dark);
  line-height: 1.25;
  margin: 0 0 .6em;
}
h1 { font-size: 2.2rem; }
h2 { font-size: 1.7rem; }
h3 { font-size: 1.25rem; }

p  { margin: 0 0 1em; }
ul { margin: 0 0 1em; padding-left: 1.4em; }
li { margin-bottom: .35em; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ============================================ TOP BAR ============================================ */
.topbar {
  background: var(--dark);
  color: #d8dcc8;
  font-size: .88rem;
  border-bottom: 3px solid var(--gold);
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 24px;
  gap: 16px;
  flex-wrap: wrap;
}
@media (max-width: 760px) {
  .topbar { font-size: .8rem; }
  .topbar .tb-right { display: none; }
}
.topbar a { color: #f1f4e3; }
.topbar a:hover { color: var(--gold); }
.topbar .tb-left { display: flex; gap: 18px; flex-wrap: wrap; }
.topbar .tb-right { display: flex; gap: 14px; align-items: center; }
.topbar .tb-badge {
  background: var(--gold);
  color: var(--dark);
  padding: 3px 10px;
  border-radius: 3px;
  font-weight: 600;
  font-size: .82rem;
}

/* ============================================ HEADER / NAV ============================================ */
.site-header {
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}
.brand img { height: 64px; width: auto; }
.brand .brand-text { line-height: 1.15; }
.brand .brand-th {
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 600;
  color: var(--brand-dark);
}
.brand .brand-en {
  font-size: .72rem;
  color: var(--text-muted);
  letter-spacing: .03em;
}

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 10px 14px;
  color: var(--text);
  font-weight: 500;
  font-size: .98rem;
  border-radius: var(--radius);
  position: relative;
  white-space: nowrap;
}
.nav a:hover {
  background: var(--brand-soft);
  color: var(--brand-dark);
}
.nav a.active {
  color: var(--brand-dark);
  font-weight: 600;
}
.nav a.active::after {
  content: '';
  position: absolute;
  left: 14px; right: 14px; bottom: 4px;
  height: 3px;
  background: var(--gold);
  border-radius: 2px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  cursor: pointer;
  font-size: 1.4rem;
  color: var(--brand-dark);
  line-height: 1;
}

@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    gap: 0;
    padding: 8px 12px 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }
  .nav.open { display: flex; }
  .nav a { width: 100%; padding: 12px 14px; }
  .nav a.active::after { left: 14px; right: auto; bottom: auto; top: 50%; transform: translateY(-50%); width: 4px; height: 60%; }
  .brand .brand-th { font-size: .82rem; }
  .brand .brand-en { font-size: .65rem; }
  .brand img { height: 50px; }
}

/* ============================================ HERO ============================================ */
.hero {
  position: relative;
  background: var(--dark);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: var(--hero-img, url('images/slide/01.jpg'));
  background-size: cover;
  background-position: center;
  z-index: -2;
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(135deg, rgba(6, 87, 10, 0.72) 0%, rgba(27, 23, 1, 0.55) 60%, rgba(245, 206, 4, 0.18) 100%);
  z-index: -1;
}
.hero .container {
  padding: 92px 24px 88px;
  position: relative;
  min-height: 460px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 206, 4, 0.95);
  color: var(--dark);
  padding: 6px 14px;
  border-radius: 30px;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 18px;
  align-self: flex-start;
}
.hero h1 {
  color: #fff;
  font-size: clamp(1.8rem, 4vw, 2.9rem);
  font-weight: 700;
  margin: 0 0 18px;
  max-width: 880px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.35);
}
.hero .lead {
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  color: #f1f4e3;
  max-width: 760px;
  margin: 0 0 28px;
  line-height: 1.6;
  text-shadow: 0 1px 6px rgba(0,0,0,0.35);
}
.hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

/* compact hero for inner pages */
.hero.hero-compact .container { padding: 60px 24px 50px; min-height: 220px; }
.hero.hero-compact h1 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin-bottom: 8px; }
.hero.hero-compact .lead { margin-bottom: 0; font-size: 1rem; }

/* ============================================ BUTTONS ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 30px;
  font-weight: 600;
  font-size: .98rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all .18s ease;
  font-family: var(--font-display);
}
.btn-primary {
  background: var(--gold);
  color: var(--dark);
}
.btn-primary:hover { background: var(--brand); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn-outline {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.7);
  backdrop-filter: blur(4px);
}
.btn-outline:hover { background: #fff; color: var(--brand-dark); }

.btn-green {
  background: var(--brand);
  color: #fff;
}
.btn-green:hover { background: var(--brand-dark); color: #fff; }

/* ============================================ SECTIONS ============================================ */
section { padding: 70px 0; }
section.alt { background: var(--bg-soft); }
section.band { background: var(--brand); color: #fff; }
section.band h2, section.band h3 { color: #fff; }

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px;
}
.section-head .eyebrow {
  display: inline-block;
  color: var(--brand-dark);
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin-bottom: 12px;
}
.section-head .section-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
}
.section-head h2::after {
  content: '';
  display: block;
  width: 56px;
  height: 4px;
  background: var(--gold);
  margin: 14px auto 0;
  border-radius: 2px;
}

/* ============================================ STATS BAR ============================================ */
.stats {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  color: #fff;
  padding: 50px 0;
  position: relative;
  overflow: hidden;
}
.stats::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 180px; height: 180px;
  background: var(--gold);
  border-radius: 50%;
  opacity: .14;
}
.stats::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -60px;
  width: 220px; height: 220px;
  background: var(--gold);
  border-radius: 50%;
  opacity: .08;
}
.stats .container { position: relative; z-index: 1; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  color: #f1f4e3;
  font-size: .95rem;
}
@media (max-width: 720px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}

/* ============================================ SERVICE CARDS ============================================ */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 880px) {
  .service-grid { grid-template-columns: 1fr; }
}
.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all .25s ease;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand-soft);
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 16px;
}
.service-card.gold .service-icon { background: var(--gold-soft); color: var(--gold-dark); }
.service-card h3 { margin: 0 0 12px; font-size: 1.2rem; }
.service-card p { color: var(--text-muted); margin: 0 0 12px; font-size: .96rem; }
.service-card ul { margin: 0; padding-left: 1.2em; color: var(--text-muted); font-size: .94rem; }
.service-card ul li { margin-bottom: .25em; }

/* ============================================ COUNTRY GRID ============================================ */
.country-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
@media (max-width: 720px) { .country-grid { grid-template-columns: repeat(2, 1fr); } }
.country-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 18px;
  text-align: center;
  transition: all .25s ease;
}
.country-card:hover { border-color: var(--brand); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.country-flag {
  width: 64px; height: 44px;
  margin: 0 auto 14px;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0,0,0,0.18);
  background: #fff;
}
.country-flag svg { display: block; width: 100%; height: 100%; }
.country-card h3 { font-size: 1.05rem; margin: 0 0 4px; color: var(--brand-dark); }
.country-card .country-en { font-size: .82rem; color: var(--text-muted); letter-spacing: .04em; }

/* ============================================ FEATURE / TIMELINE ============================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  align-items: center;
}
@media (max-width: 880px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-text h2 { margin-bottom: 16px; }
.feature-text .sub { color: var(--brand-dark); font-weight: 600; font-size: .95rem; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 8px; }
.feature-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.feature-img img { width: 100%; }

.process-list { counter-reset: step; list-style: none; padding: 0; }
.process-list li {
  counter-increment: step;
  position: relative;
  padding: 14px 0 14px 60px;
  border-bottom: 1px dashed var(--border-soft);
}
.process-list li:last-child { border-bottom: none; }
.process-list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0; top: 14px;
  width: 42px; height: 42px;
  background: var(--gold);
  color: var(--dark);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .98rem;
}
.process-list li strong {
  display: block;
  margin-bottom: 2px;
  color: var(--dark);
  font-size: 1.04rem;
}
.process-list li span { color: var(--text-muted); font-size: .94rem; }

/* ============================================ NEWS / DOC GRID ============================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 880px) { .news-grid { grid-template-columns: 1fr; } }
.news-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all .25s ease;
  display: flex;
  flex-direction: column;
}
.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.news-card .img {
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-soft);
}
.news-card .body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.news-card .date { font-size: .82rem; color: var(--brand-dark); font-weight: 600; margin-bottom: 6px; }
.news-card h3 { font-size: 1.08rem; margin: 0 0 10px; line-height: 1.4; }
.news-card p { font-size: .94rem; color: var(--text-muted); margin: 0 0 12px; flex: 1; }
.news-card .read-more { font-size: .9rem; color: var(--brand-dark); font-weight: 600; }
.news-card .read-more::after { content: ' →'; }

/* ============================================ CONTACT GRID ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 36px;
}
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.contact-card .ic {
  width: 48px; height: 48px;
  flex-shrink: 0;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.contact-card.gold .ic { background: var(--gold-soft); color: var(--gold-dark); }
.contact-card h3 { font-size: 1rem; margin: 0 0 4px; }
.contact-card .label { color: var(--text-muted); font-size: .82rem; margin-bottom: 4px; }
.contact-card .val { font-weight: 600; color: var(--dark); font-family: var(--font-display); font-size: 1.05rem; }
.contact-card .val a { color: var(--dark); }
.contact-card .val a:hover { color: var(--brand-dark); }

.map-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.map-wrap iframe { display: block; width: 100%; height: 420px; border: 0; }

/* ============================================ TABLE ============================================ */
.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.table th, .table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border-soft);
}
.table th {
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  font-family: var(--font-display);
  font-size: .96rem;
}
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--bg-soft); }

/* ============================================ DOC LIST ============================================ */
.doc-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
@media (max-width: 720px) { .doc-list { grid-template-columns: 1fr; } }
.doc-item {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 4px solid var(--brand);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: all .2s ease;
}
.doc-item:hover { border-left-color: var(--gold); box-shadow: var(--shadow-md); }
.doc-item h3 { font-size: 1.05rem; margin: 0 0 8px; color: var(--brand-dark); }
.doc-item ul { margin: 0; padding-left: 1.2em; color: var(--text); font-size: .96rem; }
.doc-item ul li { margin-bottom: .3em; }

/* ============================================ CALLOUT ============================================ */
.callout {
  background: linear-gradient(135deg, var(--brand-soft) 0%, var(--gold-soft) 100%);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  border-left: 5px solid var(--brand);
  margin: 30px 0;
}
.callout h3 { color: var(--brand-dark); margin-bottom: 10px; }
.callout p { margin: 0; color: var(--text); }
.callout p + p { margin-top: 8px; }

.warning {
  background: var(--gold-soft);
  border-left: 5px solid var(--gold-dark);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  margin: 24px 0;
}
.warning strong { color: var(--gold-dark); }

/* ============================================ GALLERY ============================================ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
@media (max-width: 720px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
.gallery-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  transition: transform .3s ease;
}
.gallery-grid img:hover { transform: scale(1.02); box-shadow: var(--shadow-md); }

/* ============================================ FOOTER ============================================ */
.site-footer {
  background: var(--dark);
  color: #c9cdb8;
  padding: 60px 0 0;
  font-size: .94rem;
}
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 36px;
  padding-bottom: 40px;
}
@media (max-width: 880px) { .site-footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; } }
@media (max-width: 540px) { .site-footer .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 {
  color: var(--gold);
  font-size: 1rem;
  margin: 0 0 14px;
  letter-spacing: .02em;
}
.site-footer a { color: #d8dcc8; }
.site-footer a:hover { color: var(--gold); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin-bottom: 8px; }
.site-footer p { color: #b3b89c; line-height: 1.7; margin: 0 0 8px; }
.footer-brand { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 14px; }
.footer-brand img { height: 56px; background: #fff; padding: 4px; border-radius: 50%; }
.footer-brand .footer-name { color: #fff; font-family: var(--font-display); font-weight: 600; line-height: 1.3; }
.footer-brand .footer-en { font-size: .78rem; color: #9da08d; letter-spacing: .04em; }

.copy {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 18px 0;
  text-align: center;
  font-size: .85rem;
  color: #9aa089;
}
.copy a { color: #c8cdb8; }

/* ============================================ MISC ============================================ */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 24px; }

.tag {
  display: inline-block;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-size: .8rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 30px;
  margin-right: 6px;
  margin-bottom: 4px;
}
.tag.gold { background: var(--gold-soft); color: var(--gold-dark); }

/* ============================================ V2: LANGUAGE SWITCHER & AI NOTE ============================================ */

/* 語言切換 — 頂部 pills */
.lang-switch {
  display: inline-flex;
  gap: 4px;
  margin-left: 8px;
  padding-left: 12px;
  border-left: 1px solid rgba(255,255,255,0.18);
}
.lang-switch a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 24px;
  padding: 0 8px;
  border-radius: 12px;
  font-size: .78rem;
  font-weight: 600;
  color: #d8dcc8;
  text-decoration: none;
  transition: all .15s ease;
  background: rgba(255,255,255,0.04);
}
.lang-switch a:hover {
  background: rgba(245,206,4,0.18);
  color: var(--gold);
}
.lang-switch a.active {
  background: var(--gold);
  color: var(--dark);
}

/* 中等螢幕：把右側多餘文字隱藏，只留語言切換 */
@media (max-width: 980px) {
  .topbar .tb-countries { display: none; }
}

/* AI 翻譯說明條 — 顯示在 EN/CN 頁的 header 下方 */
.ai-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 20px auto;
  padding: 14px 22px;
  background: var(--gold-soft);
  border-left: 4px solid var(--gold-dark);
  border-radius: var(--radius);
  font-size: .92rem;
  color: var(--text);
  max-width: var(--max-width);
}
.ai-note span {
  font-size: 1.2rem;
  flex-shrink: 0;
}
.ai-note p {
  margin: 0;
  line-height: 1.55;
}

/* 中文版專用 — 用 Noto Sans TC 為主 */
body.lang-cn {
  font-family: 'Noto Sans TC', 'Sarabun', 'Noto Sans Thai', system-ui, sans-serif;
}
body.lang-cn h1, body.lang-cn h2, body.lang-cn h3, body.lang-cn h4 {
  font-family: 'Noto Sans TC', 'Prompt', system-ui, sans-serif;
  font-weight: 600;
}

/* 英文版用 system 字 + Prompt 為標題 */
body.lang-en {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Sarabun", sans-serif;
}
body.lang-en h1, body.lang-en h2, body.lang-en h3, body.lang-en h4 {
  font-family: 'Prompt', system-ui, sans-serif;
}