* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--dc-ink);
  background: var(--dc-rice);
  font-family: "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 72px;
  padding: 0 34px;
  border-bottom: 1px solid rgba(38, 50, 46, .16);
  background: rgba(255, 250, 241, .9);
  backdrop-filter: blur(18px);
  transition: box-shadow .2s ease, background .2s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 250, 241, .96);
  box-shadow: 0 12px 34px rgba(23, 60, 52, .08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: max-content;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Microsoft YaHei", serif;
  font-size: 19px;
  font-weight: 700;
  color: var(--dc-pine);
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.site-nav {
  display: flex;
  gap: 30px;
  color: var(--dc-sage);
  font-size: 14px;
}

.site-nav a,
.header-link,
.site-footer a {
  transition: color .18s ease;
}

.site-nav a:hover,
.header-link:hover,
.site-footer a:hover {
  color: var(--dc-clay);
}

.header-link {
  justify-self: end;
  color: var(--dc-pine);
  font-size: 14px;
  font-weight: 700;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, .85fr);
  min-height: calc(100vh - 72px);
  border-bottom: 1px solid var(--dc-line);
}

.hero-media {
  min-height: 620px;
  overflow: hidden;
  background: var(--dc-paper);
}

.hero-media img {
  width: 100%;
  height: 100%;
  min-height: 620px;
  object-fit: cover;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 72px 5vw 72px 5.5vw;
  background: var(--dc-paper);
}

.kicker {
  margin: 0 0 22px;
  color: var(--dc-sage);
  font-family: Inter, Arial, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 4px;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--dc-pine);
  font-family: "Noto Serif SC", "Source Han Serif SC", "Microsoft YaHei", serif;
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(56px, 5.8vw, 82px);
}

h2 {
  max-width: 780px;
  font-size: clamp(34px, 4vw, 62px);
}

h3 {
  font-size: 25px;
}

p {
  margin: 0;
}

.hero-lead {
  margin-top: 28px;
  color: var(--dc-pine);
  font-family: "Noto Serif SC", "Source Han Serif SC", "Microsoft YaHei", serif;
  font-size: clamp(24px, 2.6vw, 36px);
}

.hero-text {
  max-width: 520px;
  margin-top: 26px;
  color: #485852;
  font-size: 18px;
}

.intro,
.split-section,
.consulting,
.visit {
  display: grid;
  grid-template-columns: minmax(180px, .35fr) minmax(0, 1fr);
  gap: 44px;
  padding: 104px 6vw;
  border-bottom: 1px solid var(--dc-line);
}

.intro-label {
  color: var(--dc-sage);
  font-size: 14px;
  font-weight: 700;
}

.intro-body p,
.section-copy p,
.image-band p,
.visit-panel p {
  max-width: 680px;
  margin-top: 24px;
  color: #53625c;
  font-size: 18px;
}

.feature-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: 1px solid var(--dc-line);
}

.feature-row article {
  min-height: 310px;
  padding: 42px 38px;
  border-right: 1px solid var(--dc-line);
  background: var(--dc-rice);
}

.feature-row article:last-child {
  border-right: 0;
}

.feature-row span {
  display: block;
  margin-bottom: 48px;
  color: var(--dc-clay);
  font-family: Inter, Arial, sans-serif;
  font-size: 13px;
  font-weight: 700;
}

.feature-row h3 {
  margin-bottom: 18px;
}

.feature-row p,
.consulting-grid p {
  color: #53625c;
}

.split-section {
  align-items: start;
  background: #f3eadc;
}

.program-list {
  border-top: 1px solid rgba(38, 50, 46, .24);
}

.program-list a {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid rgba(38, 50, 46, .24);
  transition: color .18s ease, padding-left .18s ease;
}

.program-list a:hover {
  padding-left: 12px;
  color: var(--dc-pine);
}

.program-list span {
  color: var(--dc-pine);
  font-family: "Noto Serif SC", "Source Han Serif SC", "Microsoft YaHei", serif;
  font-size: 28px;
  font-weight: 700;
}

.program-list small {
  color: var(--dc-sage);
  font-size: 14px;
}

.image-band {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(300px, .55fr);
  gap: 60px;
  align-items: end;
  min-height: 520px;
  padding: 90px 6vw;
  color: var(--dc-paper);
  background:
    linear-gradient(90deg, rgba(23, 60, 52, .88), rgba(23, 60, 52, .46)),
    url("assets/academy-hero.png") center / cover;
}

.image-band .kicker,
.image-band h2,
.image-band p {
  color: var(--dc-paper);
}

.image-band p {
  margin-top: 0;
}

.consulting {
  background: var(--dc-rice);
}

.consulting-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.consulting-grid article {
  min-height: 250px;
  padding: 26px;
  border: 1px solid var(--dc-line);
  border-radius: 8px;
  background: var(--dc-paper);
}

.consulting-grid h3 {
  margin-bottom: 48px;
  font-size: 24px;
}

.visit {
  align-items: center;
  background: var(--dc-pine);
}

.visit h2,
.visit .kicker,
.visit-panel p {
  color: var(--dc-paper);
}

.visit-panel {
  justify-self: end;
  max-width: 540px;
}

.visit-panel p {
  margin-top: 0;
}

.primary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-top: 30px;
  padding: 0 26px;
  border: 1px solid rgba(247, 241, 231, .7);
  border-radius: 4px;
  color: var(--dc-paper);
  font-weight: 700;
  transition: background .18s ease, color .18s ease;
}

.primary-action:hover {
  background: var(--dc-paper);
  color: var(--dc-pine);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 34px 6vw;
  color: var(--dc-sage);
  background: var(--dc-rice);
  font-size: 14px;
}

.site-footer div {
  display: flex;
  gap: 18px;
}

.site-footer strong {
  color: var(--dc-pine);
}

.site-footer nav {
  display: flex;
  gap: 24px;
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: 1fr auto;
    padding: 0 22px;
  }

  .site-nav {
    display: none;
  }

  .hero,
  .intro,
  .split-section,
  .consulting,
  .visit,
  .image-band {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
  }

  .hero-media,
  .hero-media img {
    min-height: 420px;
  }

  .hero-copy,
  .intro,
  .split-section,
  .consulting,
  .visit,
  .image-band {
    padding: 68px 24px;
  }

  .feature-row,
  .consulting-grid {
    grid-template-columns: 1fr;
  }

  .feature-row article {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--dc-line);
  }

  .program-list a {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .visit-panel {
    justify-self: start;
  }

  .site-footer,
  .site-footer div {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .header-link {
    font-size: 13px;
  }

  .brand span {
    font-size: 17px;
  }

  .hero-media,
  .hero-media img {
    min-height: 330px;
  }

  h1 {
    font-size: 52px;
  }

  h2 {
    font-size: 34px;
  }

  .hero-text,
  .intro-body p,
  .section-copy p,
  .image-band p,
  .visit-panel p {
    font-size: 16px;
  }
}