:root {
  --ink: #1d2939;
  --muted: #64748b;
  --navy: #16304f;
  --teal: #13807a;
  --mint: #e7f7f4;
  --coral: #c75c4d;
  --gold: #d8a24f;
  --paper: #f6faf9;
  --white: #ffffff;
  --line: #d9e4ea;
  --shadow: 0 18px 44px rgba(29, 41, 57, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Inter", "Segoe UI", Arial, "Microsoft YaHei", sans-serif;
  background: var(--white);
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.topline {
  color: var(--white);
  background: var(--navy);
  font-size: 13px;
}

.topline-inner {
  display: flex;
  min-height: 34px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-shell {
  display: flex;
  min-height: 76px;
  align-items: center;
  gap: 26px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand-mark {
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: linear-gradient(135deg, var(--teal), var(--navy));
  border: 3px solid var(--white);
  box-shadow: 0 0 0 1px var(--line), 0 10px 22px rgba(19, 128, 122, 0.22);
  font-weight: 950;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.08;
}

.brand strong {
  font-size: 20px;
  font-weight: 950;
}

.brand small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: 13px;
  flex: 1 1 auto;
  font-size: 14px;
  font-weight: 850;
}

.desktop-nav a {
  padding: 27px 0;
  border-bottom: 3px solid transparent;
}

.desktop-nav a:hover {
  border-bottom-color: var(--teal);
}

.nav-cta,
.btn {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 0 20px;
  font-weight: 900;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.nav-cta,
.btn-primary {
  color: var(--white);
  background: var(--coral);
  box-shadow: 0 12px 26px rgba(199, 92, 77, 0.24);
}

.btn-secondary {
  color: var(--white);
  background: var(--teal);
  box-shadow: 0 12px 26px rgba(19, 128, 122, 0.2);
}

.btn-outline {
  color: var(--navy);
  border-color: rgba(22, 48, 79, 0.32);
  background: var(--white);
}

.btn:hover,
.nav-cta:hover {
  transform: translateY(-2px);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
}

.menu-toggle span {
  width: 21px;
  height: 2px;
  background: var(--ink);
}

.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  overflow: hidden;
  background: var(--paper);
}

.sub-hero {
  background: var(--paper);
}

.case-hero {
  background: linear-gradient(180deg, #f6faf9 0%, #ffffff 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 56px;
  align-items: center;
  min-height: calc(100svh - 110px);
  padding: 72px 0 84px;
}

.sub-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.58fr);
  gap: 48px;
  align-items: center;
  min-height: 560px;
  padding: 78px 0 86px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: 60px;
  line-height: 1.06;
  font-weight: 950;
}

.sub-hero h1 {
  margin: 0;
  font-size: 56px;
  line-height: 1.08;
  font-weight: 950;
}

.hero-lede {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-badges span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--navy);
  background: var(--white);
  font-size: 14px;
  font-weight: 850;
}

.hero-visual img,
.media-frame img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.notice-strip {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.9);
}

.notice-strip .container {
  padding: 16px 0;
  font-size: 14px;
}

.section {
  padding: 86px 0;
}

.section.alt {
  background: var(--paper);
}

.section-title {
  max-width: 830px;
  margin-bottom: 38px;
}

.section-title h2,
.split-copy h2 {
  margin: 0;
  font-size: 40px;
  line-height: 1.18;
  font-weight: 950;
}

.section-title h2 span,
.split-copy h2 span,
.audience-card h3 span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.52em;
  line-height: 1.35;
  font-weight: 850;
}

.section-title p:not(.section-kicker),
.split-copy p,
.service-card p,
.flow-card p,
.faq-item small {
  color: var(--muted);
  font-size: 16px;
}

.en-copy {
  color: #51617a;
  font-size: 15px;
}

.audience-grid,
.service-grid,
.flow-grid,
.package-grid,
.safety-grid {
  display: grid;
  gap: 20px;
}

.audience-grid {
  grid-template-columns: repeat(2, 1fr);
}

.service-grid {
  grid-template-columns: repeat(3, 1fr);
}

.package-grid {
  grid-template-columns: repeat(4, 1fr);
}

.flow-grid,
.safety-grid {
  grid-template-columns: repeat(3, 1fr);
}

.audience-card,
.service-card,
.flow-card,
.package-card,
.safety-card,
.faq-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 30px rgba(29, 41, 57, 0.06);
}

.audience-card,
.service-card,
.flow-card,
.package-card,
.safety-card {
  padding: 28px;
}

.travel-panel,
.hospital-card,
.field-card,
.spotlight-card,
.case-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 30px rgba(29, 41, 57, 0.06);
}

.travel-panel {
  padding: 30px;
}

.travel-panel h3 {
  margin: 0 0 14px;
  color: var(--navy);
  font-size: 24px;
  line-height: 1.2;
}

.travel-panel ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  font-weight: 760;
}

.travel-panel li + li {
  margin-top: 9px;
}

.hero-panel {
  align-self: stretch;
  display: grid;
  align-content: center;
}

.audience-card {
  min-height: 330px;
}

.tag,
.step-index {
  display: inline-flex;
  min-width: 42px;
  height: 30px;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: var(--teal);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 950;
}

.audience-card:nth-child(2) .tag,
.service-card:nth-child(3n) .tag {
  background: var(--coral);
}

.audience-card h3,
.service-card h3,
.flow-card h3,
.package-card h3,
.safety-card h3 {
  margin: 18px 0 10px;
  font-size: 22px;
  line-height: 1.24;
}

.audience-card ul,
.service-card ul,
.package-card ul {
  margin: 20px 0 0;
  padding-left: 18px;
  color: var(--muted);
  font-weight: 720;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
  gap: 54px;
  align-items: center;
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 30px rgba(29, 41, 57, 0.06);
}

.price-table th,
.price-table td {
  padding: 15px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.price-table th {
  color: var(--white);
  background: var(--navy);
  font-size: 14px;
}

.price-table tr:last-child td {
  border-bottom: 0;
}

.price-table td:first-child {
  color: var(--navy);
  font-weight: 900;
}

.service-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 14px;
}

.hospital-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.spotlight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.spotlight-card {
  padding: 28px;
  min-height: 270px;
  border-color: rgba(19, 128, 122, 0.25);
  background: linear-gradient(180deg, #ffffff, #f7fbfa);
}

.spotlight-card h3,
.case-card h3 {
  margin: 16px 0 10px;
  color: var(--navy);
  font-size: 22px;
  line-height: 1.24;
}

.spotlight-card p,
.case-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.adhd-warning {
  border-color: rgba(199, 92, 77, 0.32);
}

.wide-case-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.case-card {
  position: relative;
  padding: 24px;
  min-height: 280px;
}

.pediatric-case {
  border-color: rgba(19, 128, 122, 0.32);
  background: linear-gradient(180deg, #ffffff, #eefaf6);
}

.case-number {
  display: inline-flex;
  width: 38px;
  height: 30px;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  color: var(--white);
  background: var(--navy);
  font-size: 13px;
  font-weight: 950;
}

.rank-list {
  margin: -10px 0 24px;
  padding: 18px 20px;
  border: 1px solid rgba(19, 128, 122, 0.22);
  border-radius: 8px;
  background: var(--mint);
}

.rank-list div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 16px;
}

.rank-list strong {
  color: var(--navy);
}

.rank-list span {
  color: var(--muted);
}

.hospital-card {
  overflow: hidden;
}

.hospital-card img,
.hospital-photo {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--mint);
}

.hospital-photo {
  display: grid;
  place-items: center;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), var(--teal));
  font-size: 28px;
  font-weight: 950;
}

.hospital-card > div:not(.hospital-photo) {
  padding: 24px;
}

.hospital-card h3,
.field-card h3 {
  margin: 16px 0 10px;
  color: var(--navy);
  font-size: 23px;
  line-height: 1.22;
}

.hospital-card p,
.field-card p,
.hospital-card strong {
  color: var(--muted);
  font-size: 15px;
}

.hospital-card strong {
  display: block;
  margin-top: 14px;
  color: var(--ink);
  line-height: 1.65;
}

.field-grid,
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.field-card {
  padding: 26px;
}

.source-section {
  padding-top: 20px;
}

.source-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.source-list a {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--navy);
  background: var(--white);
  font-weight: 850;
}

.flow-card {
  min-height: 255px;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 48px;
  align-items: start;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  width: 100%;
  padding: 20px 22px;
  text-align: left;
  cursor: pointer;
}

.faq-item span {
  display: block;
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
}

.faq-item small {
  display: none;
  margin-top: 12px;
  line-height: 1.7;
}

.faq-item.active {
  border-color: rgba(19, 128, 122, 0.35);
  box-shadow: 0 14px 32px rgba(19, 128, 122, 0.11);
}

.faq-item.active small {
  display: block;
}

.contact-section {
  color: var(--white);
  background: linear-gradient(90deg, var(--navy), #1f6f73);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 0.75fr);
  gap: 52px;
  align-items: center;
}

.contact-grid h2 {
  margin: 0;
  font-size: 42px;
  line-height: 1.18;
}

.contact-grid p {
  color: rgba(255, 255, 255, 0.86);
  font-size: 17px;
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.22);
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink);
  background: #fbfcff;
}

.contact-form textarea {
  min-height: 96px;
  padding-top: 11px;
  resize: vertical;
}

.site-footer {
  padding: 48px 0 28px;
  color: rgba(255, 255, 255, 0.78);
  background: #111827;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.8fr 1fr;
  gap: 36px;
}

.site-footer h3,
.footer-brand strong {
  color: var(--white);
}

.footer-brand small {
  color: rgba(255, 255, 255, 0.64);
}

.site-footer a,
.site-footer span {
  display: block;
  margin-top: 8px;
}

.copyright {
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 13px;
}

@media (max-width: 1050px) {
  .desktop-nav,
  .nav-cta {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .mobile-nav {
    position: fixed;
    inset: 110px 0 auto 0;
    display: none;
    padding: 18px 20px 26px;
    background: var(--white);
    border-top: 1px solid var(--line);
    box-shadow: 0 18px 38px rgba(29, 41, 57, 0.14);
  }

  .mobile-nav.open {
    display: grid;
  }

  .mobile-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-weight: 900;
  }

  .hero-grid,
  .sub-hero-grid,
  .split,
  .faq-layout,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .audience-grid,
  .hospital-grid,
  .field-grid,
  .case-grid,
  .spotlight-grid,
  .wide-case-grid,
  .service-grid,
  .flow-grid,
  .package-grid,
  .safety-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .topline {
    display: none;
  }

  .mobile-nav {
    inset: 76px 0 auto 0;
  }

  .container {
    width: min(100% - 28px, 1180px);
  }

  .hero-grid {
    min-height: auto;
    padding: 48px 0 64px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .sub-hero h1 {
    font-size: 36px;
  }

  .sub-hero-grid {
    min-height: auto;
    padding: 48px 0 64px;
  }

  .section-title h2,
  .split-copy h2,
  .contact-grid h2 {
    font-size: 32px;
  }

  .hero-actions {
    display: grid;
  }

  .btn {
    width: 100%;
  }

  .section {
    padding: 68px 0;
  }

  .price-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .source-list {
    grid-template-columns: 1fr;
  }

  .rank-list div {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}