:root {
  --bg: #ffffff;
  --bg-2: #f5f6f4;
  --text: #12211d;
  --muted: #5c6a65;
  --line: rgba(18, 33, 29, 0.1);
  --card: #ffffff;
  --card-strong: #ffffff;
  --primary: #0d6b5a;
  --primary-2: #0a4a3f;
  --accent: #165f8a;
  --shadow: 0 12px 30px rgba(18, 33, 29, 0.04);
  --radius-xl: 18px;
  --radius-lg: 14px;
  --radius-md: 10px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
}

a { color: inherit; text-decoration: none; }
p { margin: 0; line-height: 1.8; color: var(--muted); }
h1, h2, h3, strong { margin: 0; }
h1, h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  padding: 10px 14px;
  background: #fff;
  border-radius: 999px;
}
.skip-link:focus { left: 12px; z-index: 20; }

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 16px 0 40px;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  box-shadow: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.brand-badge {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}
.brand-copy strong { display: block; font-size: 1rem; }
.brand-copy small { display: block; color: var(--muted); font-size: 0.8rem; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-nav a {
  color: var(--muted);
  font-weight: 600;
  position: relative;
  padding-bottom: 6px;
}
.site-nav a.is-active,
.site-nav a:hover { color: var(--primary); }
.site-nav a.is-active::after,
.site-nav a:hover::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--primary);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 8px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 700;
}

main { padding-top: 28px; }
.hero,
.split,
.highlight-band,
.contact-band {
  display: grid;
  gap: 24px;
}

.hero {
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  align-items: stretch;
  padding: 36px 0 30px;
  gap: 36px;
}

.hero-copy {
  padding: 8px 0 0;
  max-width: 560px;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--primary);
}

h1 {
  font-size: clamp(3rem, 5.2vw, 5.2rem);
  line-height: 1.06;
  letter-spacing: -0.04em;
  max-width: 12ch;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.75rem);
  line-height: 1.14;
  letter-spacing: -0.04em;
}

h3 {
  font-size: 1.15rem;
  line-height: 1.25;
}

.hero-text,
.body-copy {
  margin-top: 18px;
  max-width: 60ch;
  font-size: 1.02rem;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  min-height: 48px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 800;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.button:hover { transform: translateY(-1px); }
.primary {
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: none;
}
.secondary {
  background: #fff;
  border-color: var(--line);
}

.hero-card,
.service-card,
.feature-item,
.faq-list details,
.site-footer,
.review-card {
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: none;
}

.hero-visual {
  display: grid;
  gap: 14px;
  align-content: stretch;
}
.hero-image {
  min-height: 420px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.hero-image img,
.story-image img,
.page-hero-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-image-label {
  position: absolute;
  left: 26px;
  bottom: 26px;
  color: #fff;
}
.hero-image-label span {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}
.hero-image-label strong {
  display: block;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1.08;
  max-width: 8ch;
}
.hero-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.hero-summary div {
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #fff;
}
.hero-summary span {
  display: block;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 8px;
}
.hero-summary strong {
  font-size: 1rem;
  line-height: 1.4;
}

.section { padding: 22px 0; }
.section-head {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.service-card {
  border-radius: var(--radius-xl);
  padding: 22px 22px 26px;
  border-top: 3px solid var(--primary);
}
.editorial-card {
  padding: 0;
  overflow: hidden;
  border-top: 1px solid var(--line);
}
.editorial-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--line);
}
.card-copy {
  padding: 20px 20px 24px;
}
.service-mark {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: rgba(13, 107, 90, 0.12);
  color: var(--primary);
  font-weight: 800;
  margin-bottom: 16px;
}
.service-card p { margin: 12px 0 18px; }
.service-card a {
  color: var(--primary);
  font-weight: 800;
}

.split {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.feature-item {
  border-radius: var(--radius-lg);
  padding: 20px;
}
.feature-item strong {
  display: block;
  margin-bottom: 8px;
  color: var(--primary);
}

.highlight-band,
.contact-band {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  margin: 24px 0 20px;
  padding: 30px 0;
  border-radius: var(--radius-xl);
  background: transparent;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.faq-list {
  display: grid;
  gap: 14px;
}
.faq-list details {
  border-radius: var(--radius-lg);
  padding: 18px 20px;
}
.faq-list summary {
  cursor: pointer;
  font-weight: 800;
  color: var(--text);
}
.faq-list p {
  margin-top: 10px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
  padding: 18px 0 0;
  border-radius: 0;
  border-top: 1px solid var(--line);
  background: transparent;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.review-card {
  border-radius: var(--radius-xl);
  padding: 22px;
  border: 1px solid var(--line);
  background: #fff;
}
.review-card p {
  color: var(--text);
  font-size: 1rem;
}
.review-card strong,
.review-card span {
  display: block;
}
.review-card strong {
  margin-top: 14px;
  color: var(--primary);
}
.review-card span {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 4px;
}

.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 24px;
  align-items: center;
  padding: 20px 0 12px;
}
.page-hero-card {
  border-radius: var(--radius-xl);
  padding: 28px;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 10px;
  background: #f8faf9;
  overflow: hidden;
}
.page-hero-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  border-radius: 14px;
  margin-bottom: 8px;
}
.page-hero-card strong {
  color: var(--primary);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.page-hero-card h3 {
  margin-top: 10px;
  font-size: 1.6rem;
}
.page-hero-card p {
  margin-top: 10px;
  font-size: 1.05rem;
  color: var(--text);
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.story-block {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 24px;
  align-items: center;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.story-block:last-child {
  border-bottom: 1px solid var(--line);
}
.story-image {
  min-height: 420px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: #f8faf9;
}
.story-copy {
  max-width: 56ch;
}
.story-copy h2 {
  margin-bottom: 14px;
}
.story-copy .eyebrow {
  margin-bottom: 14px;
}
.story-copy p {
  margin-top: 14px;
}

.profile-card {
  border-radius: var(--radius-xl);
  padding: 22px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: none;
}
.profile-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.avatar {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-weight: 900;
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}
.role {
  color: var(--primary);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 18px;
  align-items: start;
}
.contact-form,
.contact-info {
  border-radius: var(--radius-xl);
  padding: 24px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: none;
}
.contact-form {
  display: grid;
  gap: 12px;
}
.contact-form label {
  font-weight: 800;
  color: var(--text);
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  font: inherit;
  background: rgba(255, 255, 255, 0.84);
}
.contact-info {
  display: grid;
  gap: 14px;
}
.info-block {
  padding: 16px 18px;
  border-radius: 18px;
  background: #f8faf9;
  border: 1px solid var(--line);
}
.info-label {
  display: block;
  margin-bottom: 6px;
  color: var(--primary);
  font-weight: 800;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.menu-toggle {
  display: none;
}

@media (max-width: 980px) {
  .hero,
  .split,
  .highlight-band,
  .contact-band,
  .page-hero,
  .contact-grid,
  .service-grid,
  .stack-grid,
  .feature-grid,
  .review-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    flex-wrap: wrap;
    border-bottom: 1px solid var(--line);
  }

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

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding-top: 10px;
  }

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

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

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 18px, 1180px);
    padding-top: 14px;
  }

  h1 {
    max-width: none;
    font-size: clamp(2.2rem, 12vw, 3.3rem);
  }

  .site-header {
    top: 10px;
    padding: 14px 16px;
  }

  .brand-copy small {
    display: none;
  }
}