:root {
  --bg: #f6f3ee;
  --bg-warm: #fff7ee;
  --surface: rgba(255, 255, 255, 0.74);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --text: #171717;
  --muted: #626262;
  --line: rgba(23, 23, 23, 0.08);
  --line-strong: rgba(23, 23, 23, 0.14);
  --accent: #ff7a45;
  --accent-soft: #ffe0c8;
  --accent-gold: #f7b94c;
  --accent-green: #cce7dd;
  --shadow-xl: 0 28px 80px rgba(146, 91, 34, 0.12);
  --shadow-md: 0 20px 48px rgba(146, 91, 34, 0.1);
  --radius-xl: 40px;
  --radius-lg: 28px;
  --radius-md: 20px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 200, 146, 0.26), transparent 22%),
    radial-gradient(circle at 88% 12%, rgba(247, 185, 76, 0.18), transparent 18%),
    linear-gradient(180deg, #fcf7f1 0%, #f7f4ef 42%, #f3f1ec 100%);
}

html[lang="zh"] body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

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

.site-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 14% 24%, rgba(255, 255, 255, 0.7), transparent 18%),
    radial-gradient(circle at 86% 8%, rgba(255, 232, 208, 0.7), transparent 16%);
  z-index: -1;
}

.site-shell {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
  padding-bottom: 28px;
}

.site-header,
.hero,
.sector-band,
.story-grid,
.services,
.immersive-panel,
.approach,
.cta,
.site-footer {
  position: relative;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 24px;
  margin-top: 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    backdrop-filter 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  box-shadow: 0 12px 34px rgba(64, 41, 13, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-zh {
  color: var(--muted);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-gold));
  box-shadow: 0 0 0 10px rgba(255, 122, 69, 0.12);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-nav a {
  align-items: center;
  display: inline-flex;
  transition: color 180ms ease;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.lang-switch {
  display: none;
  align-items: center;
  padding: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.9);
}

.lang-button {
  min-width: 58px;
  height: 36px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 700;
  transition: background-color 180ms ease, color 180ms ease;
}

.lang-button.is-active {
  background: linear-gradient(135deg, rgba(255, 122, 69, 0.16), rgba(247, 185, 76, 0.22));
  color: var(--text);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.9);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
}

main {
  display: grid;
  gap: 28px;
}

.hero,
.story-grid,
.services,
.immersive-panel,
.approach,
.cta {
  border-radius: var(--radius-xl);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 28px;
  padding: 38px;
  min-height: 84vh;
  align-items: center;
}

.eyebrow,
.micro-label {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 700;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.74rem;
}

.eyebrow-zh {
  margin-top: 8px;
  color: rgba(23, 23, 23, 0.48);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: none;
}

.micro-label {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.68rem;
}

h1,
h2,
h3,
strong {
  letter-spacing: -0.04em;
}

h1,
h2 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  line-height: 0.98;
}

html[lang="zh"] h1,
html[lang="zh"] h2 {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.14;
}

html[lang="zh"] h3 {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  line-height: 1.3;
}

h1 {
  margin-top: 16px;
  font-size: clamp(2.15rem, 4.4vw, 3.7rem);
  max-width: 13ch;
}

h2 {
  font-size: clamp(2.1rem, 4.6vw, 3.9rem);
  max-width: 12ch;
}

.hero-text,
.section-heading p,
.story-panel p,
.service-card p,
.immersive-copy p,
.approach-card p,
.site-footer p,
.hero-card p {
  color: var(--muted);
  line-height: 1.75;
}

.hero-text {
  max-width: 62ch;
  margin: 22px 0 0;
  font-size: 0.94rem;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent), var(--accent-gold));
  box-shadow: 0 18px 40px rgba(255, 122, 69, 0.24);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.9);
}

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

.hero-note span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.82);
  color: #434343;
  font-size: 0.82rem;
}

.hero-stage {
  position: relative;
  min-height: 720px;
}

.hero-visual,
.story-panel-visual,
.immersive-image {
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.hero-visual {
  position: absolute;
  border-radius: 36px;
}

.hero-visual-main {
  inset: 0 16% 16% 0;
}

.hero-visual-side {
  width: 40%;
  height: 34%;
  right: 0;
  bottom: 0;
  border: 10px solid rgba(255, 255, 255, 0.92);
}

.hero-card {
  position: absolute;
  z-index: 2;
  width: min(320px, 72%);
  padding: 22px;
  border-radius: 28px;
  background: rgba(25, 25, 27, 0.76);
  backdrop-filter: blur(18px);
  box-shadow: 0 22px 48px rgba(19, 19, 19, 0.18);
}

.hero-card-top {
  top: 28px;
  right: 28px;
}

.hero-card strong,
.story-overlay strong {
  display: block;
  margin: 10px 0 8px;
  color: #ffffff;
  font-size: 1.18rem;
}

.hero-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.65;
}

.sector-band {
  padding: 18px 26px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.sector-band p {
  margin: 0;
  color: var(--muted);
  text-align: center;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

.story-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 28px;
}

.story-panel {
  min-height: 620px;
  padding: 38px;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.52));
  border: 1px solid rgba(255, 255, 255, 0.84);
  backdrop-filter: blur(18px);
}

.story-panel-copy {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.story-copy {
  margin-top: 20px;
  max-width: 58ch;
}

.story-points {
  display: grid;
  gap: 20px;
  margin-top: 30px;
}

.story-points strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.08rem;
}

.story-points span {
  color: var(--muted);
  line-height: 1.7;
}

.story-panel-visual {
  position: relative;
  padding: 0;
}

.story-overlay {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 28px;
  padding: 24px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(24, 24, 27, 0.22), rgba(24, 24, 27, 0.78));
  backdrop-filter: blur(14px);
}

.services,
.approach,
.cta {
  padding: 40px 38px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.76), rgba(255, 255, 255, 0.56));
  border: 1px solid rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
}

.section-heading {
  display: grid;
  gap: 14px;
  margin-bottom: 28px;
}

.section-heading p:last-child {
  max-width: 66ch;
  margin: 0;
}

.section-heading-centered {
  justify-items: center;
  text-align: center;
}

.section-heading-centered h2,
.section-heading-centered p:last-child {
  max-width: 16ch;
}

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

.service-card,
.approach-card {
  min-height: 280px;
  padding: 26px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 248, 241, 0.96), rgba(255, 255, 255, 0.88));
  border: 1px solid rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-md);
}

.service-card:nth-child(2) {
  background: linear-gradient(180deg, rgba(255, 240, 231, 0.96), rgba(255, 255, 255, 0.88));
}

.service-card:nth-child(3) {
  background: linear-gradient(180deg, rgba(241, 249, 245, 0.96), rgba(255, 255, 255, 0.88));
}

.card-index,
.approach-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: rgba(255, 122, 69, 0.12);
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 800;
}

.service-card h3,
.approach-card h3 {
  margin: 18px 0 12px;
  font-size: 1.22rem;
}

.immersive-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: 28px;
  align-items: stretch;
}

.immersive-image {
  min-height: 620px;
  border-radius: var(--radius-xl);
}

.immersive-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 34px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top right, rgba(255, 224, 200, 0.74), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.76), rgba(255, 255, 255, 0.58));
  border: 1px solid rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
}

.immersive-copy h2 {
  margin-top: 16px;
}

.immersive-copy p {
  margin: 18px 0 0;
}

.immersive-list {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.immersive-list li {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.64);
  border: 1px solid rgba(255, 255, 255, 0.92);
}

.approach-card {
  min-height: 250px;
  background: rgba(255, 255, 255, 0.76);
}

.cta-panel {
  position: relative;
  overflow: hidden;
  padding: 50px;
  border-radius: 34px;
  background:
    radial-gradient(circle at top right, rgba(255, 220, 186, 0.9), transparent 24%),
    radial-gradient(circle at bottom left, rgba(204, 231, 221, 0.7), transparent 26%),
    linear-gradient(145deg, rgba(255, 248, 241, 0.98), rgba(255, 255, 255, 0.92));
  box-shadow: var(--shadow-md);
}

.cta-panel p:last-of-type {
  max-width: 58ch;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 6px 0;
}

.site-footer p {
  margin: 0;
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1120px) {
  .hero,
  .story-grid,
  .immersive-panel,
  .service-grid,
  .approach-grid,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-stage,
  .story-panel,
  .immersive-image {
    min-height: 560px;
  }

  h1 {
    max-width: 12ch;
  }

  h2 {
    max-width: 14ch;
  }
}

@media (max-width: 820px) {
  .site-shell {
    width: min(calc(100% - 20px), var(--container));
  }

  .site-header {
    flex-direction: column;
    border-radius: 28px;
    padding: 18px;
  }

  .header-actions {
    flex-direction: column;
    width: 100%;
  }

  .site-nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }

  .hero,
  .story-panel,
  .services,
  .approach,
  .cta,
  .immersive-copy {
    padding: 28px 22px;
  }

  .hero-stage {
    min-height: 500px;
  }

  .hero-visual-main {
    inset: 0 10% 18% 0;
  }

  .hero-card-top {
    top: 18px;
    right: 18px;
  }

  .story-overlay {
    left: 18px;
    right: 18px;
    bottom: 18px;
  }

  .cta-panel {
    padding: 34px 24px;
  }
}

@media (max-width: 620px) {
  body {
    background:
      radial-gradient(circle at top left, rgba(255, 200, 146, 0.18), transparent 28%),
      linear-gradient(180deg, #fcf7f1 0%, #f5f2ec 100%);
  }

  h1 {
    font-size: clamp(1.85rem, 8.4vw, 2.85rem);
  }

  h2 {
    font-size: clamp(1.9rem, 10vw, 2.8rem);
  }

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

  .hero-actions {
    flex-direction: column;
  }

  .hero-stage {
    min-height: 420px;
  }

  .hero-visual-main {
    inset: 0 6% 20% 0;
  }

  .hero-visual-side {
    width: 44%;
    height: 28%;
  }

  .hero-card {
    width: min(280px, 80%);
    padding: 18px;
  }

  .story-panel,
  .immersive-image {
    min-height: 460px;
  }

  .site-footer {
    padding-top: 8px;
  }
}