:root {
  --bg: #f5efe4;
  --surface: #fffdf8;
  --surface-strong: #fff9ef;
  --ink: #1f1b16;
  --muted: #6a6257;
  --line: rgba(31, 27, 22, 0.08);
  --brand: #ab5c2f;
  --brand-deep: #7b3f1d;
  --accent: #1f5c59;
  --shadow: 0 22px 60px rgba(50, 34, 21, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: min(1140px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(171, 92, 47, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(31, 92, 89, 0.12), transparent 24%),
    var(--bg);
  line-height: 1.7;
}

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

img {
  max-width: 100%;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(245, 239, 228, 0.8);
  border-bottom: 1px solid rgba(31, 27, 22, 0.06);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 84px;
}

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

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
  box-shadow: var(--shadow);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand-text strong {
  font-size: 1.7rem;
}

.brand-text span {
  color: var(--muted);
  font-size: 0.88rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a:hover {
  color: var(--ink);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  border-radius: 999px;
  padding: 10px 16px;
  font: inherit;
}

.hero,
.page-hero {
  padding: 88px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 32px;
  align-items: stretch;
}

.hero-copy {
  padding-top: 120px;
}

.hero-copy h1,
.page-hero h1 {
  margin: 10px 0 20px;
  font-size: clamp(2.3rem, 5vw, 4.5rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero-text,
.page-lead,
.section-heading p,
.card p,
.service-card p,
.compliance-copy p,
.timeline-item p,
.cta-card p,
.legal-copy p,
.contact-card p,
dd {
  color: var(--muted);
}

.eyebrow {
  margin: 0;
  color: var(--brand-deep);
  font-size: 0.9rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 30px 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-deep));
  box-shadow: var(--shadow);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 0;
  margin: 26px 0 0;
  list-style: none;
}

.hero-points li {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(31, 27, 22, 0.06);
  font-size: 0.95rem;
}

.hero-card,
.hero-panel,
.card,
.service-card,
.cta-card,
.contact-card {
  border-radius: var(--radius-lg);
}

.hero-card {
  position: relative;
  padding: 28px;
  background:
    linear-gradient(145deg, rgba(31, 92, 89, 0.95), rgba(16, 43, 52, 0.95)),
    #173739;
  color: #f7f2ea;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-card::before,
.hero-card::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.hero-card::before {
  width: 220px;
  height: 220px;
  top: -80px;
  right: -20px;
}

.hero-card::after {
  width: 160px;
  height: 160px;
  bottom: -50px;
  left: -30px;
}

.hero-panel {
  position: relative;
  z-index: 1;
  padding: 12px 4px;
}

.panel-label {
  margin: 0 0 20px;
  color: rgba(247, 242, 234, 0.72);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

.panel-list article {
  padding: 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.panel-list h2,
.section-heading h2,
.cta-card h2,
.compliance-grid h2 {
  margin: 0 0 12px;
  font-size: 2.2rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.panel-list h2,
.card h3,
.service-card h3,
.timeline-item strong,
.contact-card h2,
.legal-copy h2,
.site-footer h2,
.site-footer h3 {
  margin-top: 0;
}

.section {
  padding: 84px 0;
}

.section-light {
  background: rgba(255, 255, 255, 0.55);
}

.section-accent {
  background: linear-gradient(135deg, #f3e4d5, #ecf2ef);
}

.section-heading {
  max-width: 900px;
  margin-bottom: 34px;
}

.about-grid,
.services-grid,
.contact-grid {
  display: grid;
  gap: 22px;
}

.about-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.services-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.contact-grid-single {
  grid-template-columns: minmax(0, 780px);
}

.card,
.service-card,
.contact-card,
.cta-card {
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.service-card span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--brand-deep);
  font-weight: 700;
}

.compliance-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

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

.timeline-item {
  position: relative;
  padding: 24px;
  border-radius: 6px 6px var(--radius-md) var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--line);
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  border-radius: 999px 999px 0 0;
  background: linear-gradient(90deg, var(--brand), var(--accent));
}

.cta-section {
  padding-top: 0;
}

.cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  background:
    linear-gradient(135deg, rgba(171, 92, 47, 0.12), rgba(31, 92, 89, 0.1)),
    var(--surface-strong);
}

.legal-copy {
  display: grid;
  gap: 26px;
}

.legal-copy article {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.legal-copy article:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

dl {
  margin: 0;
}

dt {
  margin-bottom: 6px;
  font-weight: 700;
}

dd {
  margin: 0 0 18px;
}

.site-footer {
  padding: 40px 0 24px;
  background: #201914;
  color: rgba(255, 249, 239, 0.92);
}

.site-footer a,
.site-footer p {
  color: rgba(255, 249, 239, 0.72);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 24px;
}

.footer-grid a {
  display: block;
  margin-bottom: 8px;
}

.footer-bottom {
  padding-top: 24px;
  margin-top: 20px;
  border-top: 1px solid rgba(255, 249, 239, 0.12);
}

@media (max-width: 980px) {
  .hero-grid,
  .about-grid,
  .services-grid,
  .compliance-grid,
  .timeline,
  .contact-grid,
  .footer-grid,
  .cta-card {
    grid-template-columns: 1fr;
  }

  .hero-points {
    grid-template-columns: 1fr;
  }

  .cta-card {
    align-items: flex-start;
  }
}

@media (max-width: 760px) {
  .nav-shell {
    min-height: 74px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 74px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
    background: rgba(255, 253, 248, 0.98);
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .brand-text span {
    display: none;
  }

  .hero,
  .page-hero,
  .section {
    padding: 72px 0 48px;
  }

  .hero-card,
  .card,
  .service-card,
  .contact-card,
  .cta-card {
    padding: 22px;
  }
}