:root {
  --bg: #eef4ef;
  --bg-strong: #0d2c2d;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: #ffffff;
  --line: rgba(13, 44, 45, 0.12);
  --text: #152324;
  --muted: #536465;
  --primary: #0f7a67;
  --primary-deep: #0a5b4d;
  --accent: #f0b44d;
  --shadow: 0 22px 60px rgba(16, 42, 41, 0.12);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 122, 103, 0.16), transparent 30%),
    radial-gradient(circle at top right, rgba(240, 180, 77, 0.12), transparent 22%),
    linear-gradient(180deg, #f9fcfa 0%, var(--bg) 100%);
}

body.menu-open {
  overflow: hidden;
}

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

p,
h1,
h2,
h3,
ul {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

.site-shell {
  min-height: 100vh;
}

.site-header,
.section,
.site-footer {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 16px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 20px;
  box-shadow: 0 14px 38px rgba(16, 42, 41, 0.08);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  display: block;
  width: auto;
  height: 40px;
  flex-shrink: 0;
  object-fit: contain;
}

.brand-text {
  display: flex;
  align-items: center;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.15;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 0.96rem;
}

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

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 0;
  border-radius: 14px;
  background: rgba(13, 44, 45, 0.06);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 6px auto;
  background: var(--bg-strong);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.section {
  padding: 88px 0;
}

.hero {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 32px;
  align-items: center;
  min-height: calc(100vh - 120px);
}

.eyebrow,
.panel-label,
.strip-kicker {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow,
.panel-label {
  color: var(--primary);
}

.hero-copy h1,
.section-heading h2,
.capability-copy h2,
.contact-card h2 {
  line-height: 1.1;
}

.hero-copy h1 {
  margin-top: 14px;
  font-size: clamp(2.7rem, 6vw, 5.1rem);
  letter-spacing: -0.04em;
}

.hero-text,
.service-card p,
.solution-card p,
.step-card p,
.about-card p,
.about-points p,
.contact-card p,
.panel-card p,
.strip-item p,
.capability-copy p {
  color: var(--muted);
  line-height: 1.8;
}

.hero-text {
  margin-top: 22px;
  max-width: 640px;
  font-size: 1.06rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

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

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

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

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-tags li {
  padding: 10px 14px;
  border: 1px solid rgba(15, 122, 103, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  color: var(--muted);
  font-size: 0.94rem;
}

.hero-panel,
.contact-card {
  position: relative;
}

.hero-panel::before,
.contact-card::before {
  content: "";
  position: absolute;
  inset: auto auto -24px -18px;
  width: 140px;
  height: 140px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(15, 122, 103, 0.18), rgba(240, 180, 77, 0.12));
  z-index: -1;
  filter: blur(4px);
}

.panel-grid,
.service-grid,
.solution-list,
.capability-steps,
.about-layout {
  display: grid;
  gap: 20px;
}

.panel-card,
.service-card,
.solution-card,
.step-card,
.about-card,
.about-points > div,
.contact-card,
.strip,
.site-footer {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.panel-card,
.service-card,
.solution-card,
.step-card,
.about-card,
.about-points > div {
  padding: 28px;
  border-radius: var(--radius-md);
}

.panel-large {
  margin-bottom: 20px;
  padding: 32px;
}

.panel-large h2 {
  margin-top: 14px;
  font-size: 1.7rem;
  line-height: 1.2;
}

.panel-large p,
.panel-card p {
  margin-top: 14px;
}

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

.strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
  padding: 28px 32px;
  border-radius: var(--radius-lg);
}

.strip-kicker {
  color: var(--accent);
}

.strip-item h2,
.section-heading h2,
.capability-copy h2,
.contact-card h2 {
  margin-top: 10px;
  font-size: clamp(1.9rem, 3.2vw, 3rem);
  letter-spacing: -0.03em;
}

.section-heading {
  max-width: 720px;
}

.service-grid {
  margin-top: 28px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.service-card h3,
.solution-card h3,
.step-card h3,
.about-points h3,
.panel-card h3 {
  font-size: 1.2rem;
}

.service-card p,
.solution-card p,
.step-card p,
.about-points p,
.panel-card p {
  margin-top: 12px;
}

.section-accent {
  padding-top: 96px;
  padding-bottom: 96px;
}

.solution-list {
  margin-top: 28px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.solution-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.68)),
    linear-gradient(135deg, rgba(15, 122, 103, 0.06), rgba(240, 180, 77, 0.06));
}

.capability-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  align-items: start;
}

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

.step-card span {
  display: inline-flex;
  margin-bottom: 16px;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.about-layout {
  margin-top: 28px;
  grid-template-columns: 1.1fr 0.9fr;
}

.about-card p + p {
  margin-top: 18px;
}

.about-points {
  display: grid;
  gap: 20px;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 36px;
  border-radius: var(--radius-lg);
}

.contact-meta {
  min-width: 300px;
  padding: 20px 22px;
  border: 1px solid rgba(15, 122, 103, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
}

.contact-meta p + p {
  margin-top: 14px;
}

.contact-meta span {
  display: block;
  margin-bottom: 6px;
  color: var(--primary);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
  padding: 20px 24px;
  border-radius: 20px;
  color: var(--muted);
  text-align: center;
}

.footer-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-meta a {
  color: var(--primary-deep);
  font-weight: 600;
}

.footer-meta a:hover,
.footer-meta a:focus-visible {
  color: var(--primary);
}

@media (max-width: 1024px) {
  .hero,
  .capability-section,
  .about-layout,
  .strip {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 28px;
  }

  .panel-grid,
  .solution-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-header {
    top: 10px;
    padding: 14px 16px;
  }

  .brand-text {
    font-size: 0.92rem;
  }

  .brand-mark {
    height: 34px;
  }

  .menu-toggle {
    display: inline-block;
    flex-shrink: 0;
  }

  .menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(8px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-8px) rotate(-45deg);
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow);
  }

  .site-header.menu-open .site-nav {
    display: flex;
  }

  .section {
    padding: 72px 0;
  }

  .hero-copy h1 {
    font-size: 2.45rem;
  }

  .service-grid,
  .capability-steps {
    grid-template-columns: 1fr;
  }

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

  .contact-meta {
    min-width: 0;
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
    align-items: center;
  }
}