:root {
  --brand: #08c5bb;
  --brand-deep: #047d81;
  --ink: #173236;
  --muted: #627478;
  --line: #dfe9e8;
  --soft: #f1fbf9;
  --paper: #ffffff;
  --warm: #f7f2ea;
  --shadow: 0 22px 50px rgba(15, 68, 69, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

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

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 78px;
  padding: 14px clamp(18px, 5vw, 72px);
  border-bottom: 1px solid rgba(223, 233, 232, 0.72);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  flex: 0 0 auto;
}

.brand img {
  width: 168px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
  color: #344f52;
  font-size: 15px;
}

.nav-links a {
  position: relative;
  padding: 8px 0;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-cta,
.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 6px;
  font-weight: 700;
  white-space: nowrap;
}

.nav-cta,
.primary-button {
  color: #ffffff;
  background: var(--brand-deep);
  box-shadow: 0 12px 26px rgba(4, 125, 129, 0.2);
}

.secondary-button {
  color: var(--brand-deep);
  border: 1px solid rgba(4, 125, 129, 0.24);
  background: rgba(255, 255, 255, 0.78);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
}

.menu-button span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  min-height: calc(100vh - 78px);
  padding: clamp(48px, 7vw, 92px) clamp(18px, 5vw, 72px) 42px;
  background:
    linear-gradient(90deg, rgba(241, 251, 249, 0.96) 0%, rgba(255, 255, 255, 0.68) 52%, rgba(247, 242, 234, 0.72) 100%);
}

.hero-copy {
  max-width: 680px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(44px, 7vw, 86px);
  line-height: 1.05;
  font-weight: 900;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.18;
  font-weight: 850;
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.3;
}

.lead {
  max-width: 620px;
  margin-bottom: 30px;
  color: #40585c;
  font-size: clamp(17px, 2vw, 21px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 38px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 620px;
}

.hero-metrics div {
  padding: 18px;
  border: 1px solid rgba(4, 125, 129, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
}

.hero-metrics strong {
  display: block;
  color: var(--brand-deep);
  font-size: 26px;
  line-height: 1.1;
}

.hero-metrics span {
  color: var(--muted);
  font-size: 13px;
}

.hero-media {
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-media img {
  width: 100%;
  height: min(68vh, 680px);
  min-height: 430px;
  object-fit: cover;
}

.section {
  padding: clamp(64px, 8vw, 110px) clamp(18px, 5vw, 72px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(280px, 1.08fr);
  gap: 36px;
  align-items: end;
  margin-bottom: 42px;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1.2fr);
  gap: 42px;
  background: #ffffff;
}

.intro .section-heading {
  display: block;
  margin-bottom: 0;
}

.intro-text {
  color: #425b5e;
  font-size: 18px;
}

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

.product-grid article,
.feature-list article,
.process-panel,
.contact-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 12px 30px rgba(23, 50, 54, 0.05);
}

.product-grid article {
  min-height: 268px;
  padding: 28px;
}

.product-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 28px;
  border-radius: 50%;
  color: #ffffff;
  background: var(--brand);
  font-weight: 800;
}

.product-grid p,
.feature-list p,
.process-panel li,
.promise-grid p,
.contact-copy p,
.herbal-copy p,
.benefit-grid p,
.care-pillars p {
  color: var(--muted);
}

.products {
  background: var(--soft);
}

.herbal-care {
  display: grid;
  grid-template-columns: minmax(420px, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  background: linear-gradient(135deg, #fbf5e9 0%, #ffffff 52%, #edf8f4 100%);
}

.poster-frame {
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.poster-frame img {
  width: 100%;
  height: auto;
}

.herbal-copy > p {
  margin-bottom: 28px;
  font-size: 18px;
}

.care-pillars {
  display: grid;
  gap: 14px;
}

.care-pillars article {
  padding: 22px 24px;
  border: 1px solid rgba(4, 125, 129, 0.15);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.care-pillars h3 {
  margin-bottom: 8px;
  color: var(--brand-deep);
  font-size: 20px;
}

.care-pillars p {
  margin-bottom: 0;
}

.care-benefits {
  background: #ffffff;
}

.section-heading.compact {
  grid-template-columns: minmax(0, 0.8fr) minmax(280px, 1.2fr);
}

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

.benefit-grid article {
  min-height: 244px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbfa 100%);
  box-shadow: 0 12px 30px rgba(23, 50, 54, 0.05);
}

.benefit-grid span {
  display: inline-flex;
  margin-bottom: 24px;
  padding: 6px 12px;
  border-radius: 999px;
  color: #7b6426;
  background: #f5e8bc;
  font-size: 14px;
  font-weight: 800;
}

.benefit-grid h3 {
  font-size: 21px;
}

.incubation {
  background: linear-gradient(180deg, #ffffff 0%, #f8fbfa 100%);
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 24px;
}

.feature-list {
  display: grid;
  gap: 16px;
}

.feature-list article {
  padding: 26px 28px;
}

.process-panel {
  align-self: stretch;
  padding: 32px;
  color: #ffffff;
  border-color: transparent;
  background: var(--brand-deep);
}

.process-panel h3 {
  color: #ffffff;
}

.process-panel ol {
  display: grid;
  gap: 18px;
  margin: 26px 0 0;
  padding-left: 22px;
}

.process-panel li {
  color: rgba(255, 255, 255, 0.82);
}

.promise {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 38px;
  align-items: center;
  background: var(--warm);
}

.promise-grid {
  display: grid;
  gap: 14px;
}

.promise-grid p {
  margin: 0;
  padding: 20px 22px;
  border-left: 4px solid var(--brand);
  background: rgba(255, 255, 255, 0.68);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 440px);
  gap: 44px;
  align-items: center;
  padding: clamp(64px, 8vw, 110px) clamp(18px, 5vw, 72px);
  color: #ffffff;
  background:
    linear-gradient(135deg, rgba(4, 125, 129, 0.96), rgba(8, 197, 187, 0.82)),
    linear-gradient(90deg, #047d81, #08c5bb);
}

.contact h2,
.contact .eyebrow {
  color: #ffffff;
}

.contact-copy p {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
}

.contact-card {
  display: grid;
  gap: 18px;
  padding: 30px;
  color: var(--ink);
}

.contact-card span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 14px;
}

.contact-card a:not(.primary-button),
.contact-card strong {
  font-size: 18px;
}

.full {
  width: 100%;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 28px;
  padding: 28px clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer img {
  width: 128px;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .site-header {
    gap: 16px;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .menu-button {
    display: block;
    margin-left: auto;
  }

  .site-header.nav-open .nav-links {
    position: absolute;
    top: 78px;
    right: 18px;
    left: 18px;
    display: grid;
    gap: 4px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #ffffff;
    box-shadow: var(--shadow);
  }

  .site-header.nav-open .nav-links a {
    padding: 12px 8px;
  }

  .section-heading.compact,
  .hero,
  .intro,
  .section-heading,
  .herbal-care,
  .split-layout,
  .promise,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-media img {
    height: 440px;
    min-height: 0;
  }

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

  .poster-frame {
    order: 2;
  }

  .herbal-copy {
    order: 1;
  }
}

@media (max-width: 620px) {
  .brand img {
    width: 138px;
  }

  .hero {
    padding-top: 42px;
  }

  .hero-metrics,
  .product-grid,
  .benefit-grid {
    grid-template-columns: 1fr;
  }

  .hero-media img {
    height: 320px;
  }

  .product-grid article {
    min-height: auto;
  }

  .site-footer {
    display: grid;
  }
}