:root {
  --bg: #fffdf7;
  --bg-soft: #f8f5eb;
  --ink: #1f2a2d;
  --muted: #5c6a6d;
  --line: #d7d9d3;
  --brand: #0f8a7a;
  --brand-2: #f29f05;
  --card: #ffffff;
  --shadow: 0 10px 30px rgba(17, 36, 39, 0.08);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 10%, rgba(242, 159, 5, 0.09), transparent 35%),
    radial-gradient(circle at 90% 20%, rgba(15, 138, 122, 0.1), transparent 45%),
    var(--bg);
  line-height: 1.65;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
  background: rgba(255, 253, 247, 0.88);
  border-bottom: 1px solid rgba(31, 42, 45, 0.08);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.08em;
  background: linear-gradient(140deg, var(--brand), #11a396);
}

.brand-text {
  display: grid;
  line-height: 1.25;
}

.brand-text strong {
  font-size: 1rem;
  font-weight: 800;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.76rem;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.top-nav a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 650;
  font-size: 0.95rem;
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
}

.top-nav a:hover {
  background: rgba(15, 138, 122, 0.12);
}

.hero {
  padding: 5.8rem 0 4.2rem;
}

.eyebrow {
  display: inline-block;
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #0a7568;
  background: rgba(15, 138, 122, 0.12);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
}

h1,
h2,
h3 {
  line-height: 1.25;
  margin: 0;
}

h1 {
  margin-top: 1rem;
  font-size: clamp(1.8rem, 3.8vw, 3rem);
  letter-spacing: -0.02em;
  max-width: 18ch;
}

.lead {
  margin: 1.2rem 0 1.4rem;
  max-width: 66ch;
  color: var(--muted);
  font-size: 1.06rem;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.btn {
  text-decoration: none;
  font-weight: 700;
  border-radius: 12px;
  padding: 0.7rem 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 160ms ease;
}

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

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #0f8a7a, #1bbca5);
}

.btn-secondary {
  color: var(--ink);
  border: 1px solid rgba(31, 42, 45, 0.2);
  background: #fff;
}

.hero-tags {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.hero-tags li {
  border: 1px solid rgba(31, 42, 45, 0.13);
  border-radius: 999px;
  padding: 0.38rem 0.72rem;
  background: rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
}

.section {
  padding: 4.3rem 0;
}

.section h2 {
  font-size: clamp(1.45rem, 2.8vw, 2.2rem);
  margin-bottom: 1rem;
}

.section-intro {
  margin: 0 0 1rem;
  color: var(--muted);
}

.section-contrast {
  background: linear-gradient(180deg, rgba(248, 245, 235, 0.58), rgba(248, 245, 235, 0.9));
  border-top: 1px solid rgba(31, 42, 45, 0.06);
  border-bottom: 1px solid rgba(31, 42, 45, 0.06);
}

.grid {
  display: grid;
  gap: 1rem;
}

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

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

.cards-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid rgba(31, 42, 45, 0.08);
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: var(--shadow);
}

.card h3 {
  font-size: 1.08rem;
  margin-bottom: 0.6rem;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.card-outline {
  border-top: 4px solid var(--brand);
}

.role-grid .card:nth-child(2n) {
  border-top: 4px solid var(--brand-2);
}

.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.8rem;
}

.timeline li {
  border: 1px solid rgba(31, 42, 45, 0.1);
  border-radius: 14px;
  padding: 0.95rem 1rem;
  background: rgba(255, 255, 255, 0.9);
}

.timeline strong {
  display: block;
  margin-bottom: 0.35rem;
}

.timeline p {
  margin: 0;
  color: var(--muted);
}

.chip-list {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 0.8rem;
}

.chip-list span {
  display: inline-block;
  border-radius: 999px;
  background: rgba(15, 138, 122, 0.14);
  color: #0a7568;
  border: 1px solid rgba(15, 138, 122, 0.25);
  padding: 0.4rem 0.74rem;
  font-weight: 700;
}

.pricing-grid .pricing {
  text-align: center;
}

.price {
  margin: 0.6rem 0;
  font-weight: 800;
  font-size: 1.5rem;
  color: #0d7f70;
}

.featured {
  border-top: 5px solid var(--brand-2);
}

.contact-box {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.2rem;
  padding: 1.4rem;
  border-radius: var(--radius);
  border: 1px solid rgba(31, 42, 45, 0.1);
  background: #fff;
  box-shadow: var(--shadow);
}

.contact-list {
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.contact-list div {
  display: grid;
  gap: 0.12rem;
}

.contact-list dt {
  font-size: 0.86rem;
  color: var(--muted);
}

.contact-list dd {
  margin: 0;
  font-weight: 650;
}

.site-footer {
  padding: 1.45rem 0 2.1rem;
  border-top: 1px solid rgba(31, 42, 45, 0.1);
  background: #fff;
}

.footer-grid {
  display: grid;
  gap: 0.24rem;
}

.footer-grid p {
  margin: 0;
  color: #586468;
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 560ms ease, transform 560ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 980px) {
  .cards-4,
  .cards-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-box {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .nav-wrap {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-nav {
    width: 100%;
    gap: 0.45rem;
  }

  .top-nav a {
    background: rgba(15, 138, 122, 0.08);
  }

  .hero {
    padding-top: 4.5rem;
  }

  .cards-2,
  .cards-3,
  .cards-4 {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 3.2rem 0;
  }
}