:root {
  --bg: #f4f1ea;
  --bg-soft: rgba(255, 255, 255, 0.66);
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: #ffffff;
  --line: rgba(31, 38, 46, 0.09);
  --text: #18202a;
  --muted: #5d6773;
  --accent: #c86b3c;
  --accent-deep: #a95329;
  --shadow: 0 24px 60px rgba(36, 37, 39, 0.1);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: min(1180px, calc(100vw - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Outfit", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(200, 107, 60, 0.18), transparent 26%),
    radial-gradient(circle at 85% 12%, rgba(24, 32, 42, 0.08), transparent 24%),
    linear-gradient(180deg, #efe7dc 0%, #f8f5ef 44%, #f3efe8 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(24, 32, 42, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 32, 42, 0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.35), transparent 80%);
}

.site-shell {
  width: var(--container);
  margin: 0 auto;
  padding: 24px 0 48px;
}

.site-header,
.metrics,
.service-card,
.quote-card,
.process-grid article,
.contact-card,
.image-band figure,
.hero-card,
.hero-card-main {
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  position: sticky;
  top: 20px;
  z-index: 10;
  background: rgba(255, 255, 255, 0.64);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 8px 30px rgba(31, 38, 46, 0.07);
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #1a212b, #404955);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.site-nav {
  display: flex;
  gap: 22px;
}

.site-nav a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: center;
  padding: 72px 0 56px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent-deep);
  font-size: 0.82rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.contact-copy h2 {
  margin: 0;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-weight: 700;
  line-height: 1.15;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  max-width: 11ch;
}

.hero-text,
.service-card p,
.capability-list p,
.process-grid p,
.contact-copy p,
.hero-card p {
  color: var(--muted);
  line-height: 1.75;
}

.hero-text {
  max-width: 40rem;
  margin: 24px 0 0;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 140px;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 500;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

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

.button-primary {
  background: var(--text);
  color: #fff;
}

.button-secondary {
  border-color: rgba(24, 32, 42, 0.14);
  color: var(--text);
  background: rgba(255, 255, 255, 0.5);
}

.hero-panel {
  padding: 18px;
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.44);
  border: 1px solid rgba(255, 255, 255, 0.75);
  box-shadow: var(--shadow);
}

.hero-card-main {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(24, 32, 42, 0.96), rgba(46, 58, 74, 0.88)),
    linear-gradient(135deg, rgba(200, 107, 60, 0.22), transparent);
  color: #fff;
  min-height: 220px;
}

.hero-visual {
  margin: 0;
  min-height: 320px;
}

.hero-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.02);
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 14, 18, 0.08), rgba(11, 14, 18, 0.6)),
    linear-gradient(135deg, rgba(200, 107, 60, 0.18), transparent 48%);
}

.hero-visual figcaption {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: end;
  min-height: 320px;
  padding: 28px;
}

.hero-card-main span,
.hero-card span,
.contact-card span {
  display: block;
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.72;
}

.hero-card-main strong,
.hero-card strong,
.metrics strong,
.contact-card strong {
  display: block;
  margin-top: 14px;
  font-size: 1.5rem;
  line-height: 1.2;
}

.hero-card-main p {
  color: rgba(255, 255, 255, 0.75);
  margin-top: 16px;
  max-width: 24ch;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.hero-card {
  padding: 22px 20px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.78);
  min-height: 148px;
}

.hero-card strong {
  font-size: 1.12rem;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.metrics article {
  padding: 12px 14px;
}

.metrics strong {
  margin: 0 0 6px;
  font-size: 2rem;
}

.metrics span {
  color: var(--muted);
  line-height: 1.6;
}

.image-band {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
  padding-top: 18px;
}

.image-band figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.image-band-main {
  min-height: 360px;
}

.image-band-side {
  min-height: 360px;
}

.image-band img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.02);
}

.section {
  padding: 108px 0 0;
}

.section-alt {
  position: relative;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 30px;
}

.section-heading h2,
.contact-copy h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  max-width: 16ch;
}

.section-heading.narrow h2 {
  max-width: 13ch;
}

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

.service-card,
.process-grid article {
  padding: 28px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.service-card h3,
.capability-list h3,
.process-grid h3 {
  margin: 0 0 12px;
  font-size: 1.15rem;
}

.service-card p,
.capability-list p,
.process-grid p {
  margin: 0;
}

.capability-layout {
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  gap: 20px;
}

.capability-list {
  display: grid;
  gap: 18px;
}

.capability-list article,
.quote-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.64);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.quote-card {
  display: flex;
  align-items: end;
  min-height: 100%;
  background:
    linear-gradient(180deg, rgba(24, 32, 42, 0.88), rgba(24, 32, 42, 0.96)),
    linear-gradient(145deg, rgba(200, 107, 60, 0.2), transparent);
}

.quote-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(1.4rem, 2.8vw, 2.2rem);
  line-height: 1.55;
}

.process-grid article span {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  border-radius: 50%;
  background: rgba(200, 107, 60, 0.12);
  color: var(--accent-deep);
  font-weight: 700;
}

.contact-section {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 24px;
  align-items: stretch;
}

.contact-card {
  display: grid;
  gap: 22px;
  padding: 32px;
  border-radius: 30px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.62));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.site-footer {
  padding: 56px 0 18px;
  color: var(--muted);
  font-size: 0.94rem;
}

.asset-note {
  margin-top: 8px;
  font-size: 0.86rem;
}

@media (max-width: 1080px) {
  .hero,
  .contact-section,
  .capability-layout,
  .image-band {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 720px) {
  :root {
    --container: min(100vw - 28px, 1180px);
  }

  .site-shell {
    padding-top: 14px;
  }

  .site-header {
    padding: 14px 16px;
    border-radius: 24px;
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 12px 18px;
  }

  .hero {
    padding: 44px 0 40px;
  }

  .hero-actions,
  .section-heading {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-grid,
  .service-grid,
  .process-grid,
  .metrics {
    grid-template-columns: 1fr;
  }

  .image-band-main,
  .image-band-side,
  .hero-visual,
  .hero-visual figcaption {
    min-height: 260px;
  }

  .hero-panel,
  .service-card,
  .process-grid article,
  .quote-card,
  .contact-card {
    border-radius: 22px;
  }

  .section {
    padding-top: 84px;
  }
}