:root {
  --bg: #eef4ff;
  --surface: rgba(255, 255, 255, 0.9);
  --text: #10203a;
  --muted: #5b7391;
  --line: rgba(16, 32, 58, 0.1);
  --brand: #0c4da2;
  --brand-strong: #083978;
  --brand-soft: #dfefff;
  --teal: #0bb0be;
  --shadow: 0 24px 72px rgba(11, 36, 76, 0.12);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --container: min(1180px, calc(100vw - 32px));
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  font-family: "Noto Sans SC", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, rgba(12, 77, 162, 0.14), transparent 35%), radial-gradient(circle at top right, rgba(11, 176, 190, 0.12), transparent 26%), linear-gradient(180deg, #f3f7ff 0%, #f8fbff 50%, #eef5ff 100%);
}
a { color: inherit; text-decoration: none; }
.detail-shell { width: var(--container); margin: 0 auto; padding-bottom: 48px; }
.detail-header {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  margin-top: 18px; padding: 14px 18px; border-radius: 24px; border: 1px solid rgba(255,255,255,0.72);
  background: rgba(255,255,255,0.8); backdrop-filter: blur(16px); box-shadow: 0 12px 44px rgba(17, 42, 82, 0.08);
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  display: inline-grid; place-items: center; width: 50px; height: 50px; border-radius: 16px;
  background: linear-gradient(135deg, rgba(12, 77, 162, 0.94), rgba(11, 176, 190, 0.82)); color: #fff;
  font-family: "Space Grotesk", sans-serif; font-size: 1.05rem; font-weight: 700;
}
.brand-copy { display: flex; flex-direction: column; gap: 2px; }
.brand-copy strong, .header-link, .lang-button, .button, .eyebrow, .contact-tag, .contact-link, .meta-label, .related-link { font-family: "Space Grotesk", "Noto Sans SC", sans-serif; }
.brand-copy small { color: var(--muted); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-link { color: var(--muted); font-size: 0.95rem; }
.lang-toggle { display: inline-flex; padding: 4px; border-radius: 999px; background: #fff; border: 1px solid var(--line); }
.lang-button { border: 0; background: transparent; color: var(--muted); padding: 8px 12px; border-radius: 999px; cursor: pointer; }
.lang-button.is-active { background: var(--brand); color: #fff; }
main { display: grid; gap: 26px; margin-top: 24px; }
.detail-section, .detail-hero { padding: 34px; border-radius: var(--radius-xl); background: rgba(255,255,255,0.82); box-shadow: var(--shadow); }
.detail-hero { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 24px; background: linear-gradient(120deg, rgba(255,255,255,0.98) 0%, rgba(241,247,255,0.96) 55%, rgba(221,242,255,0.9) 100%); }
.hero-panel, .detail-grid, .contact-grid, .card-grid, .timeline { display: grid; gap: 18px; }
.hero-panel { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.contact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.timeline { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 14px; color: var(--brand);
  font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 30px; height: 2px; background: var(--brand); }
.breadcrumbs { margin: 0 0 12px; color: var(--muted); font-size: 0.95rem; }
.hero-copy h1, .section-heading h2 {
  margin: 0; font-family: "Space Grotesk", "Noto Sans SC", sans-serif; line-height: 1.08; letter-spacing: -0.03em; text-wrap: balance;
}
.hero-copy h1 { max-width: 8.5em; font-size: clamp(2.4rem, 3.6vw, 4rem); }
html[lang="en"] .hero-copy h1 { max-width: 10.6em; font-size: clamp(2.15rem, 3.1vw, 3.5rem); }
.section-heading h2 { max-width: 10.5em; font-size: clamp(1.8rem, 2.45vw, 2.55rem); }
html[lang="en"] .section-heading h2 { max-width: 12.8em; font-size: clamp(1.65rem, 2.1vw, 2.2rem); }
.section-heading.compact { margin-bottom: 0; }
.hero-intro, .supporting-copy, .faq-answer, .audience-card p, .related-card p, .process-card p, .meta-card p, .scope-card p, .pricing-card p { color: var(--muted); line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 18px; border-radius: 999px; border: 0; }
.button-primary { color: #fff; background: linear-gradient(135deg, var(--brand), var(--brand-strong)); box-shadow: 0 14px 36px rgba(12, 77, 162, 0.22); }
.button-secondary { color: var(--text); background: rgba(255,255,255,0.74); border: 1px solid var(--line); }
.meta-card, .audience-card, .process-card, .related-card, .contact-card, .section-block {
  position: relative; overflow: hidden; border-radius: var(--radius-lg); border: 1px solid rgba(12, 77, 162, 0.08); background: rgba(255,255,255,0.86); box-shadow: 0 16px 44px rgba(13, 43, 82, 0.08); padding: 22px;
}
.meta-card::before, .audience-card::before, .related-card::before, .process-card::before, .section-block::before {
  content: ""; position: absolute; inset: auto -28px -38px auto; width: 120px; height: 120px; transform: rotate(24deg); background: linear-gradient(135deg, rgba(12,77,162,0.12), transparent 70%);
}
.meta-value, .process-step, .related-card h3, .audience-card h3, .section-block h3, .faq-card h3 { position: relative; margin: 0 0 10px; font-size: 1.1rem; }
.meta-value { font-size: 1.4rem; font-weight: 700; color: var(--brand-strong); }
.meta-label, .related-link, .contact-tag { position: relative; color: var(--brand); font-size: 0.88rem; font-weight: 700; letter-spacing: 0.03em; }
.related-link { display: inline-flex; margin-top: 12px; }
.process-step {
  display: inline-grid; place-items: center; width: 42px; height: 42px; margin-bottom: 16px; border-radius: 14px; background: linear-gradient(135deg, rgba(12,77,162,0.14), rgba(11,176,190,0.16)); color: var(--brand); font-weight: 700;
}
.bullet-list { display: grid; gap: 12px; margin: 18px 0 0; padding: 0; list-style: none; }
.bullet-list li { display: grid; grid-template-columns: 16px 1fr; gap: 12px; align-items: start; }
.bullet-list li::before { content: ""; width: 12px; height: 12px; margin-top: 8px; border-radius: 50%; background: linear-gradient(135deg, var(--brand), var(--teal)); }
.faq-list { display: grid; gap: 14px; }
.faq-card { padding: 22px; border-radius: var(--radius-lg); border: 1px solid var(--line); background: #fff; }
.contact-section { background: linear-gradient(145deg, rgba(255,255,255,0.94), rgba(239,247,255,0.92)); }
.contact-card { display: grid; gap: 8px; }
.contact-link { width: fit-content; max-width: 100%; font-size: clamp(1.15rem, 2vw, 1.55rem); overflow-wrap: anywhere; }
@media (max-width: 1080px) {
  .detail-hero, .detail-grid, .contact-grid, .hero-panel, .card-grid-3, .timeline { grid-template-columns: 1fr; }
  .hero-copy h1, .section-heading h2 { max-width: none; }
}
@media (max-width: 760px) {
  .detail-shell { width: min(100vw - 18px, 100%); padding-bottom: 28px; }
  .detail-header { top: 8px; flex-wrap: wrap; gap: 12px; margin-top: 10px; padding: 12px 14px; border-radius: 20px; }
  .header-actions { width: 100%; justify-content: space-between; }
  main { gap: 18px; margin-top: 18px; }
  .detail-section, .detail-hero { padding: 22px; border-radius: 24px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-copy h1 { font-size: clamp(2rem, 9vw, 2.6rem); }
  .section-heading h2 { font-size: clamp(1.55rem, 6.8vw, 1.95rem); }
  html[lang="en"] .hero-copy h1 { font-size: clamp(1.9rem, 8vw, 2.35rem); }
  html[lang="en"] .section-heading h2 { font-size: clamp(1.4rem, 6vw, 1.75rem); }
}