:root {
  --bg: #f5f1e8;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: #fffdf8;
  --text: #1f2933;
  --muted: #5c6773;
  --line: rgba(31, 41, 51, 0.08);
  --accent: #c46a2d;
  --accent-dark: #8b4518;
  --shadow: 0 20px 50px rgba(61, 39, 24, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(196, 106, 45, 0.18), transparent 32%),
    radial-gradient(circle at right center, rgba(139, 69, 24, 0.12), transparent 28%),
    linear-gradient(180deg, #fbf7ef 0%, #f3ede1 100%);
}

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

.hero {
  padding: 28px 24px 72px;
}

.nav,
.hero-content,
.section,
.footer {
  max-width: 1180px;
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 22px;
  background: rgba(255, 253, 248, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

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

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent), #e39f62);
  color: #fff;
  font-weight: 800;
  letter-spacing: 1px;
}

.brand-name,
.brand-company,
.eyebrow,
.section-kicker,
.card-title,
.contact-label,
.footer p {
  margin: 0;
}

.brand-name {
  font-size: 1.1rem;
  font-weight: 800;
}

.brand-company {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.92rem;
}

.nav-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--muted);
  font-weight: 500;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 28px;
  align-items: center;
  padding-top: 48px;
}

.eyebrow,
.section-kicker {
  color: var(--accent-dark);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.82rem;
  font-weight: 700;
}

.hero-copy h1 {
  margin: 14px 0 18px;
  font-size: clamp(2.3rem, 4vw, 4.6rem);
  line-height: 1.08;
}

.subtitle {
  max-width: 720px;
  margin: 0 0 30px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.8;
}

.cta {
  display: inline-flex;
  padding: 14px 24px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  color: #fff;
  font-weight: 700;
  box-shadow: 0 16px 30px rgba(139, 69, 24, 0.25);
}

.hero-card,
.info-card,
.service-card,
.contact-panel {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hero-card {
  padding: 28px;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 800;
}

.hero-card ul {
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.9;
}

.section {
  padding: 12px 24px 72px;
}

.section-heading {
  margin-bottom: 24px;
}

.section-heading h2 {
  margin: 10px 0 0;
  font-size: clamp(1.8rem, 3vw, 3rem);
}

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

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

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

.info-card,
.service-card {
  padding: 26px;
}

.info-card h3,
.service-card h3 {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.info-card p,
.service-card p,
.contact-value {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.contact-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 28px;
}

.contact-label {
  font-size: 0.9rem;
  color: var(--accent-dark);
  font-weight: 700;
}

.contact-value {
  margin-top: 10px;
  font-size: 1.05rem;
  color: var(--text);
  font-weight: 600;
}

.footer {
  padding: 0 24px 36px;
  color: var(--muted);
  text-align: center;
}

.footer p + p {
  margin-top: 8px;
}

@media (max-width: 960px) {
  .hero-content,
  .about-grid,
  .services-grid,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .nav {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 16px 14px 56px;
  }

  .section,
  .footer {
    padding-left: 14px;
    padding-right: 14px;
  }

  .nav {
    padding: 16px;
    border-radius: 18px;
  }

  .hero-card,
  .info-card,
  .service-card,
  .contact-panel {
    border-radius: 18px;
  }

  .nav-links {
    gap: 14px;
  }
}