:root {
  --ink: #112532;
  --ink-soft: #334b59;
  --navy: #082b42;
  --navy-deep: #051d2c;
  --blue: #0d6eaa;
  --blue-bright: #19a4c7;
  --blue-pale: #dceff4;
  --orange: #ee6b28;
  --orange-dark: #b94717;
  --paper: #f1f4f2;
  --paper-warm: #f8f6f0;
  --white: #ffffff;
  --muted: #647984;
  --line: rgba(17, 37, 50, 0.14);
  --line-dark: rgba(255, 255, 255, 0.16);
  --shadow: 0 24px 70px rgba(8, 43, 66, 0.13);
  --container: 1180px;
  --section-space: clamp(5rem, 9vw, 8.5rem);
  --display: "STZhongsong", "Songti SC", "Noto Serif CJK SC", serif;
  --sans: "Microsoft YaHei UI", "PingFang SC", "Noto Sans CJK SC", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background-image:
    radial-gradient(circle at 14% 18%, rgba(25, 164, 199, 0.055), transparent 24%),
    radial-gradient(circle at 88% 12%, rgba(238, 107, 40, 0.035), transparent 20%);
  content: "";
  pointer-events: none;
}

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

img {
  height: auto;
}

a {
  color: inherit;
  text-decoration-color: rgba(13, 110, 170, 0.52);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
}

a:hover {
  text-decoration-color: currentColor;
}

button,
summary {
  font: inherit;
}

button,
a,
summary {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 4px;
}

::selection {
  background: var(--orange);
  color: var(--white);
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  transform: translateY(-180%);
  background: var(--white);
  color: var(--navy);
  border: 2px solid var(--navy);
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(0);
}

.eyebrow {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 0 0 1.1rem;
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.17em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 30px;
  height: 2px;
  background: currentColor;
  content: "";
}

.section {
  position: relative;
  padding-block: var(--section-space);
}

.section--paper,
.section.paper,
.program-section:nth-of-type(even) {
  background: var(--paper);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(280px, 0.42fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: end;
  margin-bottom: clamp(2.6rem, 5vw, 4.5rem);
}

.section-head.center,
.section-head--center {
  display: block;
  max-width: 780px;
  margin-inline: auto;
  text-align: center;
}

.section-head.center .eyebrow,
.section-head--center .eyebrow {
  justify-content: center;
}

.section-head h2,
.about-copy h2,
.contact-copy h2,
.program-section h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.25rem, 5.2vw, 4.9rem);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 1.08;
  text-wrap: balance;
}

.section-head > p:last-child,
.section-intro {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.button,
.hero-cta,
.phone-button,
.header-phone,
.text-link,
.contact-button {
  display: inline-flex;
  min-height: 52px;
  gap: 10px;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.35rem;
  background: var(--navy);
  color: var(--white);
  border: 1px solid var(--navy);
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1.25;
  text-decoration: none;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.button:hover,
.hero-cta:hover,
.phone-button:hover,
.header-phone:hover,
.text-link:hover,
.contact-button:hover {
  transform: translateY(-2px);
  background: var(--blue);
  border-color: var(--blue);
}

.button--orange,
.hero-cta,
.contact-button {
  background: var(--orange);
  border-color: var(--orange);
}

.button--orange:hover,
.hero-cta:hover,
.contact-button:hover {
  background: var(--orange-dark);
  border-color: var(--orange-dark);
}

.button--ghost,
.hero-link {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  padding-inline: 0.3rem;
  color: var(--navy);
  font-weight: 800;
  text-decoration-color: var(--orange);
}

/* Header */
.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: grid;
  grid-template-columns: minmax(210px, 1fr) auto auto;
  gap: clamp(1.2rem, 3vw, 2.3rem);
  align-items: center;
  min-height: 88px;
}

.brand {
  display: inline-flex;
  width: fit-content;
  gap: 13px;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  width: 170px;
  height: auto;
  object-fit: contain;
}

.brand-copy {
  display: grid;
  gap: 2px;
  padding-left: 14px;
  border-left: 1px solid var(--line);
  line-height: 1.35;
}

.brand-copy strong {
  font-family: var(--display);
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.7rem;
}

.desktop-nav ul,
.footer-nav ul {
  display: flex;
  gap: clamp(1rem, 2.2vw, 2rem);
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.desktop-nav a {
  position: relative;
  display: block;
  padding-block: 0.7rem;
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--orange);
  content: "";
  transition: transform 180ms ease;
}

.desktop-nav a:hover::after,
.desktop-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.header-phone,
.phone-button {
  min-height: 46px;
  padding-inline: 1rem;
  font-size: 0.8rem;
}

.mobile-nav {
  display: none;
  position: relative;
}

.mobile-nav > summary {
  display: grid;
  min-width: 48px;
  min-height: 46px;
  place-items: center;
  padding-inline: 12px;
  cursor: pointer;
  background: var(--navy);
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 800;
  list-style: none;
}

.mobile-nav > summary::-webkit-details-marker {
  display: none;
}

.mobile-nav-panel {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: min(310px, calc(100vw - 28px));
  padding: 12px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.mobile-nav-panel a {
  display: block;
  padding: 12px 13px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.mobile-nav-panel a:last-child {
  margin-top: 8px;
  background: var(--orange);
  color: var(--white);
  border-bottom: 0;
  text-align: center;
}

/* Hero */
.hero {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  background:
    linear-gradient(90deg, var(--paper-warm) 0 58%, transparent 58%),
    var(--blue-pale);
}

.hero::before {
  position: absolute;
  top: -120px;
  left: 51%;
  width: 480px;
  height: 480px;
  background: repeating-linear-gradient(135deg, transparent 0 17px, rgba(255,255,255,0.4) 17px 18px);
  border: 1px solid rgba(13, 110, 170, 0.11);
  border-radius: 50%;
  content: "";
}

.hero-grid,
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.93fr) minmax(420px, 0.87fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: center;
  min-height: 720px;
  padding-block: clamp(4.5rem, 8vw, 7rem);
}

.hero-copy {
  max-width: 690px;
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3.3rem, 7.2vw, 7rem);
  font-weight: 750;
  letter-spacing: -0.075em;
  line-height: 0.98;
  text-wrap: balance;
}

.hero-title-part {
  display: inline;
}

.hero-lead,
.hero-description {
  max-width: 620px;
  margin: 1.8rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.45vw, 1.16rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  align-items: center;
  margin-top: 2.1rem;
}

.hero-tags,
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 2.4rem 0 0;
  padding: 0;
  list-style: none;
}

.hero-tags span,
.hero-tags li,
.hero-meta span,
.hero-meta li {
  padding: 6px 11px;
  background: rgba(13, 110, 170, 0.08);
  color: var(--blue);
  border: 1px solid rgba(13, 110, 170, 0.18);
  font-size: 0.72rem;
  font-weight: 800;
}

.hero-visual {
  position: relative;
  min-height: 540px;
}

.hero-media,
.hero-visual > picture {
  position: absolute;
  inset: 0 0 44px 38px;
  overflow: hidden;
  background: var(--navy);
  box-shadow: var(--shadow);
}

.hero-media img,
.hero-visual > picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-visual::after {
  position: absolute;
  right: -32px;
  bottom: 0;
  width: 66%;
  height: 18px;
  background: var(--orange);
  content: "";
}

.hero-note,
.hero-card {
  position: absolute;
  z-index: 2;
  bottom: 0;
  left: 0;
  max-width: 250px;
  padding: 1.35rem 1.5rem;
  background: var(--navy);
  color: var(--white);
  box-shadow: 0 18px 50px rgba(5, 29, 44, 0.22);
}

.hero-note strong,
.hero-card strong {
  display: block;
  color: #8ed9ea;
  font-family: var(--display);
  font-size: 1.2rem;
}

.hero-note span,
.hero-card span {
  display: block;
  margin-top: 6px;
  color: rgba(255,255,255,0.7);
  font-size: 0.74rem;
}

/* Service direction */
.service-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  position: relative;
  grid-column: span 4;
  min-height: 310px;
  padding: clamp(1.7rem, 3vw, 2.5rem);
  overflow: hidden;
  background: var(--paper);
  border: 1px solid transparent;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.service-card:first-child {
  grid-column: span 7;
  background: var(--navy);
  color: var(--white);
}

.service-card:nth-child(2) {
  grid-column: span 5;
  background: var(--blue-pale);
}

.service-card:hover {
  z-index: 1;
  transform: translateY(-5px);
  border-color: rgba(13, 110, 170, 0.25);
  box-shadow: var(--shadow);
}

.service-index,
.service-number {
  display: inline-flex;
  min-width: 42px;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  margin-bottom: 3.2rem;
  color: var(--blue);
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 0.72rem;
  font-weight: 800;
}

.service-card:first-child .service-index,
.service-card:first-child .service-number {
  color: #8ed9ea;
}

.service-card h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.45rem, 2.4vw, 2.25rem);
  line-height: 1.18;
}

.service-card p {
  max-width: 48ch;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.service-card:first-child p {
  color: rgba(255,255,255,0.68);
}

.service-card a {
  display: inline-flex;
  margin-top: 1.5rem;
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 800;
}

.service-card:first-child a {
  color: #9be3f2;
}

/* Process */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.process-step {
  position: relative;
  min-height: 270px;
  padding: 2rem clamp(1.1rem, 2.5vw, 2rem);
  border-right: 1px solid var(--line);
}

.process-step:last-child {
  border-right: 0;
}

.process-step::before {
  display: block;
  width: 9px;
  height: 9px;
  margin-bottom: 4rem;
  background: var(--orange);
  border-radius: 50%;
  box-shadow: 0 0 0 8px rgba(238,107,40,0.1);
  content: "";
}

.process-step h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.35rem;
}

.process-step p {
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(400px, 1.18fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
}

.about-copy > p:not(.eyebrow) {
  margin: 1.35rem 0 0;
  color: var(--ink-soft);
}

.about-points,
.fact-list {
  display: grid;
  gap: 0;
  margin-top: 2rem;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.about-points li,
.fact-list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  padding-block: 1rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}

.about-points li::before,
.fact-list li::before {
  color: var(--orange);
  content: "↗";
  font-weight: 800;
}

.about-visual {
  position: relative;
  padding: 22px 22px 0 0;
}

.about-visual::before {
  position: absolute;
  z-index: -1;
  top: 0;
  right: 0;
  width: 78%;
  height: 78%;
  background: var(--blue-pale);
  content: "";
}

.about-visual img {
  width: 100%;
  aspect-ratio: 705 / 440;
  object-fit: cover;
}

/* Environment */
.environment-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-rows: 185px;
  gap: 12px;
}

.environment-item,
.environment-grid figure {
  position: relative;
  grid-column: span 5;
  grid-row: span 2;
  margin: 0;
  overflow: hidden;
  background: var(--navy);
}

.environment-item:first-child,
.environment-grid figure:first-child {
  grid-column: span 7;
  grid-row: span 3;
}

.environment-item:nth-child(3),
.environment-grid figure:nth-child(3) {
  grid-column: span 3;
  grid-row: span 1;
}

.environment-item:nth-child(4),
.environment-grid figure:nth-child(4) {
  grid-column: span 4;
  grid-row: span 1;
}

.environment-item picture,
.environment-item img,
.environment-grid figure picture,
.environment-grid figure img {
  width: 100%;
  height: 100%;
}

.environment-item img,
.environment-grid figure img {
  object-fit: cover;
  transition: transform 360ms ease;
}

.environment-item:hover img,
.environment-grid figure:hover img {
  transform: scale(1.025);
}

.environment-item figcaption,
.environment-grid figure figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 2.2rem 1rem 0.85rem;
  background: linear-gradient(transparent, rgba(5,29,44,0.82));
  color: var(--white);
  font-size: 0.76rem;
}

/* Contact */
.contact-wrap,
.contact-section {
  padding-block: var(--section-space);
  background: var(--paper);
}

.contact-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.4fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
  padding: clamp(2.6rem, 6vw, 5.5rem);
  overflow: hidden;
  background: var(--navy-deep);
  color: var(--white);
}

.contact-panel::after {
  position: absolute;
  right: -110px;
  bottom: -130px;
  width: 360px;
  height: 360px;
  background: repeating-radial-gradient(circle, transparent 0 14px, rgba(25,164,199,0.22) 14px 15px);
  border-radius: 50%;
  content: "";
}

.contact-copy,
.contact-side,
.contact-qr {
  position: relative;
  z-index: 1;
}

.contact-panel .eyebrow {
  color: #83d4e7;
}

.contact-copy h2 {
  color: var(--white);
}

.contact-copy > p {
  max-width: 620px;
  margin: 1.35rem 0 0;
  color: rgba(255,255,255,0.66);
}

.contact-list {
  display: grid;
  gap: 10px;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.contact-list a,
.contact-list span {
  display: inline-flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--white);
  overflow-wrap: anywhere;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 2rem;
}

.contact-qr,
.qr-card {
  max-width: 230px;
  padding: 12px;
  background: var(--white);
  color: var(--ink);
}

.contact-qr p,
.qr-card p {
  margin: 0.7rem 0 0;
  font-size: 0.72rem;
  text-align: center;
}

/* Footer */
.site-footer {
  padding-block: 4.2rem 2rem;
  background: #04151f;
  color: rgba(255,255,255,0.67);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto minmax(260px, 0.8fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.footer-brand .brand-logo {
  width: 180px;
  padding: 8px;
  background: var(--white);
}

.footer-brand p {
  max-width: 34ch;
  margin: 1rem 0 0;
  font-size: 0.8rem;
}

.footer-title {
  margin: 0 0 0.9rem;
  color: var(--white);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.footer-nav ul {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 8px 24px;
}

.footer-nav a,
.footer-contact a,
.footer-contact span {
  font-size: 0.8rem;
}

.footer-contact {
  display: grid;
  gap: 9px;
  font-style: normal;
}

.footer-bottom {
  display: flex;
  gap: 20px;
  justify-content: space-between;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 0.72rem;
}

.footer-bottom p {
  margin: 0;
}

/* Programs page */
.subpage-hero,
.programs-hero,
.program-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(5rem, 10vw, 9rem);
  background: var(--navy-deep);
  color: var(--white);
}

.subpage-hero::after,
.programs-hero::after,
.program-hero::after {
  position: absolute;
  top: 25%;
  right: -6%;
  width: 430px;
  height: 430px;
  border: 1px solid rgba(142,217,234,0.25);
  border-radius: 50%;
  box-shadow: 0 0 0 42px rgba(142,217,234,0.03), 0 0 0 84px rgba(142,217,234,0.03);
  content: "";
}

.subpage-hero .container,
.programs-hero .container,
.program-hero .container {
  position: relative;
  z-index: 1;
}

.breadcrumb,
.breadcrumbs {
  margin-bottom: 2.2rem;
  color: rgba(255,255,255,0.62);
  font-size: 0.78rem;
}

.breadcrumb ol,
.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumb li + li::before,
.breadcrumbs li + li::before {
  margin-right: 8px;
  color: var(--orange);
  content: "/";
}

.subpage-hero h1,
.programs-hero h1,
.program-hero h1 {
  max-width: 900px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3rem, 7vw, 6.5rem);
  line-height: 1.02;
  letter-spacing: -0.07em;
  text-wrap: balance;
}

.subpage-hero p,
.programs-hero p,
.program-hero p {
  max-width: 760px;
  margin: 1.5rem 0 0;
  color: rgba(255,255,255,0.68);
}

.program-nav {
  position: sticky;
  z-index: 50;
  top: 88px;
  overflow-x: auto;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

.program-nav .container,
.program-nav ul {
  display: flex;
  min-width: max-content;
  gap: 4px;
  margin-block: 0;
  padding-block: 8px;
  padding-left: 0;
  list-style: none;
}

.program-nav a {
  display: block;
  padding: 10px 13px;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 800;
  text-decoration: none;
}

.program-nav a:hover,
.program-nav a[aria-current="true"] {
  background: var(--blue-pale);
  color: var(--blue);
}

.program-section {
  padding-block: var(--section-space);
  scroll-margin-top: 150px;
}

.program-section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(280px, 0.48fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: end;
  margin-bottom: 2.8rem;
}

.program-section-head > p {
  margin: 0;
  color: var(--muted);
}

.program-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.program-card {
  min-height: 250px;
  padding: clamp(1.5rem, 3vw, 2.2rem);
  background: var(--white);
  border: 1px solid var(--line);
}

.program-card h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.35rem;
}

.program-card p,
.program-card ul {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.program-card ul {
  padding-left: 1.1rem;
}

.program-note {
  margin-top: 2rem;
  padding: 1.2rem 1.4rem;
  background: var(--blue-pale);
  color: var(--ink-soft);
  border-left: 4px solid var(--blue);
  font-size: 0.86rem;
}

/* FAQ */
.faq-section {
  padding-block: var(--section-space);
  background: var(--paper-warm);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(230px, 0.35fr) minmax(0, 0.65fr);
  gap: clamp(2.5rem, 8vw, 8rem);
  align-items: start;
}

.faq-heading {
  position: sticky;
  top: 160px;
}

.faq-heading h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.2rem, 4.5vw, 4rem);
  line-height: 1.1;
}

.faq-heading p {
  margin: 1rem 0 0;
  color: var(--muted);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item,
.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-item summary,
.faq-list summary {
  display: flex;
  min-height: 82px;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
  cursor: pointer;
  color: var(--ink);
  font-weight: 800;
  list-style: none;
}

.faq-item summary::-webkit-details-marker,
.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after,
.faq-list summary::after {
  flex: 0 0 auto;
  width: 24px;
  color: var(--blue);
  content: "+";
  font-family: var(--display);
  font-size: 1.5rem;
  text-align: center;
  transition: transform 180ms ease;
}

.faq-item[open] summary::after,
.faq-list details[open] summary::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-width: 720px;
  padding: 0 2.8rem 1.5rem 0;
  color: var(--muted);
}

.faq-answer p {
  margin: 0;
}

/* 404 */
.error-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 40px 24px;
  overflow: hidden;
  background: var(--navy-deep);
  color: var(--white);
  text-align: center;
}

.error-inner {
  position: relative;
  max-width: 760px;
}

.error-code {
  margin: 0;
  color: #82d8ea;
  font-family: var(--display);
  font-size: clamp(6rem, 24vw, 14rem);
  font-weight: 800;
  letter-spacing: -0.1em;
  line-height: 0.75;
}

.error-page h1 {
  margin: 2rem 0 0;
  font-family: var(--display);
  font-size: clamp(2rem, 5vw, 3.6rem);
}

.error-page p {
  color: rgba(255,255,255,0.66);
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 2rem;
}

@media (max-width: 1120px) {
  .desktop-nav,
  .header-inner > .header-phone,
  .header-inner > .phone-button {
    display: none;
  }

  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .mobile-nav {
    display: block;
  }

  .hero-grid,
  .hero-inner {
    grid-template-columns: minmax(0, 0.9fr) minmax(370px, 0.8fr);
    gap: 2rem;
  }

  .program-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .section-head,
  .program-section-head,
  .about-grid,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .section-head,
  .program-section-head {
    gap: 1.2rem;
  }

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

  .hero-grid,
  .hero-inner {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-visual {
    min-height: 490px;
  }

  .service-card,
  .service-card:first-child,
  .service-card:nth-child(2) {
    grid-column: span 6;
  }

  .service-card:last-child {
    grid-column: 4 / span 6;
  }

  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-step:nth-child(2) {
    border-right: 0;
  }

  .process-step:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .about-visual {
    max-width: 700px;
  }

  .environment-grid {
    grid-auto-rows: 160px;
  }

  .contact-panel {
    grid-template-columns: 1fr;
  }

  .contact-qr,
  .qr-card {
    max-width: 210px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .faq-heading {
    position: static;
  }
}

@media (max-width: 640px) {
  html {
    scroll-padding-top: 78px;
  }

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

  .header-inner {
    min-height: 74px;
  }

  .brand-logo {
    width: 142px;
  }

  .brand-copy {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid,
  .hero-inner {
    padding-block: 4rem 4.5rem;
  }

  .hero h1 {
    font-size: clamp(3.1rem, 15.8vw, 4.65rem);
    line-height: 0.98;
    text-wrap: wrap;
  }

  .hero-title-part {
    display: block;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-cta,
  .hero-actions .button {
    width: 100%;
  }

  .hero-link,
  .button--ghost {
    align-self: flex-start;
  }

  .hero-visual {
    min-height: 370px;
  }

  .hero-media,
  .hero-visual > picture {
    inset: 0 0 38px 18px;
  }

  .hero-note,
  .hero-card {
    max-width: 220px;
    padding: 1rem 1.2rem;
  }

  .service-card,
  .service-card:first-child,
  .service-card:nth-child(2),
  .service-card:last-child {
    grid-column: 1 / -1;
    min-height: auto;
  }

  .service-index,
  .service-number {
    margin-bottom: 2.2rem;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .process-step,
  .process-step:nth-child(2) {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .process-step:last-child {
    border-bottom: 0;
  }

  .process-step::before {
    margin-bottom: 2.2rem;
  }

  .environment-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 245px;
  }

  .environment-item,
  .environment-item:first-child,
  .environment-item:nth-child(3),
  .environment-item:nth-child(4),
  .environment-grid figure,
  .environment-grid figure:first-child,
  .environment-grid figure:nth-child(3),
  .environment-grid figure:nth-child(4) {
    grid-column: 1;
    grid-row: auto;
  }

  .contact-panel {
    padding: 2rem 1.35rem;
  }

  .contact-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .contact-actions .button,
  .contact-actions .contact-button {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.2rem;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .subpage-hero h1,
  .programs-hero h1,
  .program-hero h1 {
    font-size: clamp(2.8rem, 14vw, 4.3rem);
    text-wrap: wrap;
  }

  .program-nav {
    top: 74px;
  }

  .program-section {
    scroll-margin-top: 130px;
  }

  .program-grid {
    grid-template-columns: 1fr;
  }

  .faq-answer {
    padding-right: 1.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .site-header,
  .mobile-nav,
  .hero-actions,
  .program-nav,
  .contact-actions {
    display: none !important;
  }

  .hero,
  .subpage-hero,
  .programs-hero,
  .program-hero,
  .contact-panel,
  .site-footer {
    background: #fff !important;
    color: #000 !important;
  }

  .hero-copy,
  .contact-copy,
  .site-footer,
  .subpage-hero,
  .programs-hero,
  .program-hero {
    color: #000 !important;
  }
}

/* Markup integration for the two-page Huaqi information architecture. */
.brand-tagline {
  max-width: 9em;
  padding-left: 13px;
  color: var(--muted);
  border-left: 1px solid var(--line);
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.45;
}

.header-phone {
  display: grid;
  gap: 1px;
  min-width: 150px;
  padding-block: 0.55rem;
  text-align: left;
}

.header-phone span {
  color: rgba(255,255,255,0.68);
  font-size: 0.62rem;
  font-weight: 600;
}

.header-phone strong {
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

.hero > .hero-media {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: auto;
  width: 56%;
  height: 100%;
  overflow: hidden;
  background: var(--navy);
  box-shadow: none;
}

.hero > .hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 48% center;
}

.hero-shade {
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(90deg, var(--navy-deep) 0%, var(--navy-deep) 43%, rgba(5,29,44,0.92) 52%, rgba(5,29,44,0.26) 78%, rgba(5,29,44,0.14) 100%),
    linear-gradient(0deg, rgba(5,29,44,0.35), transparent 55%);
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 0.42fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
  min-height: 720px;
  padding-block: clamp(5rem, 9vw, 8rem);
}

.hero-content {
  max-width: 720px;
  color: var(--white);
}

.hero .hero-eyebrow {
  color: #8ed9ea;
}

.hero .hero-lead {
  margin-top: 1.5rem;
  color: var(--white);
  font-family: var(--display);
  font-size: clamp(1.2rem, 2.3vw, 1.75rem);
  font-weight: 700;
}

.hero .hero-description {
  color: rgba(255,255,255,0.74);
}

.hero .button-accent {
  background: var(--orange);
  border-color: var(--orange);
}

.hero .button-accent:hover {
  background: var(--orange-dark);
  border-color: var(--orange-dark);
}

.hero .button-ghost {
  min-height: 52px;
  padding: 0.8rem 1.35rem;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.5);
  text-decoration: none;
}

.hero .button-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

.hero-content > .hero-note {
  position: static;
  max-width: 660px;
  margin: 2rem 0 0;
  padding: 1rem 0 0;
  background: transparent;
  color: rgba(255,255,255,0.56);
  border-top: 1px solid rgba(255,255,255,0.18);
  box-shadow: none;
  font-size: 0.72rem;
}

.hero-index {
  align-self: end;
  margin-bottom: 1.4rem;
  padding: 1.4rem;
  background: rgba(255,255,255,0.94);
  color: var(--ink);
  border-top: 5px solid var(--orange);
  box-shadow: 0 20px 55px rgba(5,29,44,0.22);
}

.hero-index-title {
  margin: 0 0 0.8rem;
  color: var(--blue);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.hero-index ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-index li + li {
  border-top: 1px solid var(--line);
}

.hero-index a {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 8px;
  align-items: center;
  padding-block: 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
}

.hero-index a span {
  color: var(--orange-dark);
  font-size: 0.65rem;
}

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

.service-overview .section-head h2 {
  font-size: clamp(2.25rem, 4.4vw, 4.15rem);
}

.section-dark {
  background: var(--navy-deep);
  color: var(--white);
}

.section-head:not(.section-head-split) {
  grid-template-columns: minmax(150px, 0.3fr) minmax(0, 0.78fr) minmax(260px, 0.48fr);
  gap: clamp(1.8rem, 4vw, 4rem);
}

.section-head-split {
  grid-template-columns: minmax(0, 0.78fr) minmax(280px, 0.42fr);
}

.section-head-split > div > .eyebrow {
  margin-bottom: 1rem;
}

.section-head-light h2,
.section-head-light p {
  color: var(--white);
}

.section-head-light > p:last-child {
  color: rgba(255,255,255,0.62);
}

.service-label {
  margin: 0 0 0.6rem !important;
  color: var(--blue) !important;
  font-size: 0.65rem !important;
  font-weight: 800;
  letter-spacing: 0.11em;
}

.service-card:first-child .service-label {
  color: #8ed9ea !important;
}

.service-for {
  margin-top: 1.25rem !important;
  font-size: 0.8rem !important;
}

.service-card .text-link,
.principle-panel .text-link {
  display: inline-flex;
  min-height: auto;
  margin-top: 1.45rem;
  padding: 0;
  background: transparent;
  color: var(--blue);
  border: 0;
  font-size: 0.8rem;
  text-decoration: underline;
  text-decoration-color: var(--orange);
}

.service-card:first-child .text-link {
  background: transparent;
  color: #9be3f2;
  border: 0;
}

ol.process-grid {
  margin-block: 0;
  padding: 0;
  list-style: none;
}

.process-step::before {
  display: none;
}

.process-number {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 4rem;
  background: var(--orange);
  color: var(--white);
  border-radius: 50%;
  font-size: 0.67rem;
  font-weight: 800;
  box-shadow: 0 0 0 8px rgba(238,107,40,0.1);
}

.principle-panel {
  display: grid;
  grid-template-columns: minmax(140px, 0.25fr) minmax(0, 1fr) auto;
  gap: clamp(1.2rem, 4vw, 3rem);
  align-items: center;
  margin-top: 2.6rem;
  padding: clamp(1.5rem, 3vw, 2rem);
  background: var(--white);
  border-left: 5px solid var(--blue);
}

.principle-panel p {
  margin: 0;
}

.principle-kicker {
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.about-heading h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.4rem, 5.2vw, 4.9rem);
  letter-spacing: -0.055em;
  line-height: 1.08;
}

.about-lead {
  color: var(--ink) !important;
  font-family: var(--display);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  font-weight: 700;
}

.about-points li {
  grid-template-columns: 34px minmax(64px, 78px) minmax(0, 1fr);
  align-items: start;
}

.about-points li strong {
  color: var(--ink);
}

.about-points li span {
  min-width: 0;
  color: var(--muted);
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 2rem 0 0;
  border-top: 1px solid var(--line);
}

.about-values > div {
  padding: 1.35rem 1rem 0 0;
}

.about-values dt {
  color: var(--orange-dark);
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 800;
}

.about-values dd {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.environment-grid {
  grid-auto-rows: 190px;
}

.environment .section-head h2 span {
  display: block;
}

.environment-grid figure:first-child {
  grid-column: span 7;
  grid-row: span 2;
}

.environment-grid figure:nth-child(2),
.environment-grid figure:nth-child(3) {
  grid-column: span 5;
  grid-row: span 1;
}

.contact-main,
.contact-details {
  position: relative;
  z-index: 1;
}

.contact-main h2 {
  margin: 0;
  color: var(--white);
  font-family: var(--display);
  font-size: clamp(2.3rem, 4.2vw, 4.1rem);
  letter-spacing: -0.055em;
  line-height: 1.08;
}

.contact-main > p:not(.eyebrow) {
  max-width: 610px;
  margin: 1.25rem 0 0;
  color: rgba(255,255,255,0.65);
}

.contact-phone {
  display: inline-grid;
  min-width: min(340px, 100%);
  gap: 2px;
  margin-top: 2rem;
  padding: 1rem 1.3rem;
  background: var(--orange);
  color: var(--white);
  text-decoration: none;
}

.contact-phone span {
  font-size: 0.66rem;
  font-weight: 700;
}

.contact-phone strong {
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: 0.03em;
}

.contact-details {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 1.5rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  font-style: normal;
}

.contact-details span {
  display: block;
  color: #8ed9ea;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.contact-details strong {
  display: block;
  margin-top: 0.45rem;
  color: var(--white);
  font-size: 1rem;
}

.contact-details p {
  margin: 0;
  color: rgba(255,255,255,0.58);
  font-size: 0.76rem;
}

.programs-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.42fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: end;
}

.programs-hero-copy p {
  margin: 0;
}

.programs-hero-copy p + p {
  margin-top: 1rem;
}

.program-nav > .container {
  gap: 4px;
}

.program-nav a span {
  margin-right: 5px;
  color: var(--orange-dark);
  font-size: 0.65rem;
}

.program-list .program-section:nth-child(even) {
  background: var(--paper);
}

.program-layout {
  display: grid;
  grid-template-columns: minmax(230px, 0.34fr) minmax(0, 0.66fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}

.program-heading {
  position: sticky;
  top: 158px;
}

.program-heading h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.35rem, 4.8vw, 4.5rem);
  letter-spacing: -0.055em;
  line-height: 1.08;
}

.program-heading > p:last-child {
  margin: 1rem 0 0;
  color: var(--muted);
}

.program-number {
  margin: 0 0 2.4rem;
  color: var(--orange);
  font-family: var(--display);
  font-size: 4rem;
  font-weight: 800;
  line-height: 0.8;
}

.program-content {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.program-content .program-card {
  min-height: 310px;
}

.check-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.2rem;
}

.check-list li + li {
  margin-top: 0.55rem;
}

.check-list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 5px;
  height: 5px;
  background: var(--orange);
  border-radius: 50%;
  content: "";
}

.program-action {
  display: flex;
  grid-column: 1 / -1;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.6rem;
  padding: 1.25rem 1.4rem;
  background: var(--blue-pale);
}

.program-action p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.button-primary {
  flex: 0 0 auto;
  background: var(--navy);
  border-color: var(--navy);
}

.faq.section-tint {
  background: var(--paper-warm);
}

body.error-page {
  display: block;
  min-height: 0;
  justify-items: normal;
  padding: 0;
  overflow: auto;
  background: var(--white);
  color: var(--ink);
  text-align: left;
}

.error-main {
  display: grid;
  min-height: calc(100vh - 88px);
  place-items: center;
  padding-block: 5rem;
  overflow: hidden;
  background: var(--navy-deep);
  color: var(--white);
}

.error-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.48fr) minmax(0, 0.52fr);
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: center;
}

.error-content h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.08;
}

.error-content > p:not(.eyebrow) {
  color: rgba(255,255,255,0.66);
}

.button-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.45);
}

.error-help a {
  color: var(--white);
}

@media (max-width: 1050px) {
  .hero-layout {
    grid-template-columns: minmax(0, 1fr) minmax(250px, 0.38fr);
    gap: 2rem;
  }

  .section-head:not(.section-head-split) {
    grid-template-columns: 1fr 1fr;
  }

  .section-head:not(.section-head-split) > .eyebrow {
    grid-column: 1 / -1;
  }

  .program-content {
    grid-template-columns: 1fr;
  }

  .program-content .program-card {
    min-height: auto;
  }
}

@media (max-width: 820px) {
  .brand-tagline {
    display: none;
  }

  .hero > .hero-media {
    width: 100%;
  }

  .hero-shade {
    background: linear-gradient(90deg, rgba(5,29,44,0.98), rgba(5,29,44,0.72));
  }

  .hero-layout,
  .programs-hero-layout,
  .program-layout {
    grid-template-columns: 1fr;
  }

  .hero-index {
    width: min(450px, 100%);
    margin-bottom: 0;
  }

  .section-head:not(.section-head-split),
  .section-head-split {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .principle-panel {
    grid-template-columns: 1fr;
  }

  .program-heading {
    position: static;
  }

  .program-number {
    margin-bottom: 1.6rem;
  }

  .error-layout {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .hero-layout {
    min-height: 0;
    padding-block: 4.4rem;
  }

  .hero h1 {
    font-size: clamp(2.7rem, 12vw, 3.3rem);
  }

  .hero h1 span {
    display: block;
  }

  .hero-index {
    padding: 1.1rem;
  }

  .process-number {
    margin-bottom: 2.2rem;
  }

  .about-values {
    grid-template-columns: 1fr;
  }

  .about-values > div {
    padding-block: 1rem;
    border-bottom: 1px solid var(--line);
  }

  .environment-grid {
    grid-auto-rows: 245px;
  }

  .environment-grid figure:first-child,
  .environment-grid figure:nth-child(2),
  .environment-grid figure:nth-child(3) {
    grid-column: 1;
    grid-row: auto;
  }

  .contact-phone {
    width: 100%;
  }

  .program-action {
    align-items: stretch;
    flex-direction: column;
  }

  .program-action .button {
    width: 100%;
  }
}