:root {
  --ink: #1a2a24;
  --ink-soft: #3d5248;
  --muted: #6b7f74;
  --paper: #f3f6f2;
  --paper-deep: #e4ebe3;
  --line: rgba(26, 42, 36, 0.12);
  --accent: #1f6b4f;
  --accent-deep: #154a37;
  --highlight: #c8a45a;
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(26, 42, 36, 0.08);
  --radius: 18px;
  --max: 1120px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-serif: "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(31, 107, 79, 0.08), transparent 28%),
    linear-gradient(180deg, #f7faf6 0%, var(--paper) 45%, #eef3ee 100%);
  line-height: 1.7;
}

img {
  max-width: 100%;
}

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

.container {
  width: min(var(--max), calc(100% - 2.5rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(247, 250, 246, 0.86);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(255, 255, 255, 0.92);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--accent), var(--accent-deep));
  color: var(--white);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav a {
  color: var(--ink-soft);
  font-size: 0.95rem;
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav a:hover::after,
.nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.7);
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: calc(100vh - 72px);
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 4.5rem 0 5rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(243, 246, 242, 0.2), rgba(243, 246, 242, 0.82)),
    radial-gradient(ellipse at 70% 40%, rgba(200, 164, 90, 0.18), transparent 45%),
    url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%231f6b4f' fill-opacity='0.04'%3E%3Cpath d='M0 0h40v40H0V0zm40 40h40v40H40V40z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"),
    linear-gradient(160deg, #dfe9e2 0%, #f4f7f3 48%, #d7e5dc 100%);
}

.hero-bg::after {
  content: "";
  position: absolute;
  right: -8%;
  top: 12%;
  width: min(48vw, 520px);
  height: min(48vw, 520px);
  border-radius: 40% 60% 55% 45%;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.55), transparent 45%),
    linear-gradient(160deg, rgba(31, 107, 79, 0.35), rgba(21, 74, 55, 0.55));
  filter: blur(2px);
  animation: drift 14s ease-in-out infinite alternate;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  opacity: 0;
  transform: translateY(24px);
  animation: rise 0.9s ease forwards 0.15s;
}

.hero-brand {
  margin: 0 0 1rem;
  color: var(--accent-deep);
  font-weight: 500;
  letter-spacing: 0.08em;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1.15;
  letter-spacing: 0.04em;
}

.hero-lead {
  margin: 1.25rem 0 0;
  max-width: 34rem;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.35rem;
  border-radius: 999px;
  font-weight: 500;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--accent-deep);
}

.btn-ghost {
  border: 1px solid rgba(26, 42, 36, 0.18);
  background: rgba(255, 255, 255, 0.55);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent-deep);
}

.section {
  padding: 5.5rem 0;
}

.section-copy,
.section-head {
  max-width: 40rem;
}

.section-head {
  margin-bottom: 2.5rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.16em;
}

.section h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  line-height: 1.25;
  letter-spacing: 0.03em;
}

.section p {
  color: var(--ink-soft);
}

.split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: center;
}

.about-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1.4rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.fact {
  padding: 1.1rem 1rem;
  border-radius: 14px;
  background: linear-gradient(180deg, #ffffff, var(--paper-deep));
}

.fact span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 0.35rem;
}

.fact strong {
  font-size: 1.05rem;
}

.products {
  padding-top: 4.5rem;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
  margin-bottom: 2.5rem;
}

.plan-card {
  padding: 1.6rem 1.4rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
}

.plan-card-featured {
  background: linear-gradient(165deg, rgba(31, 107, 79, 0.96), rgba(21, 74, 55, 0.98));
  border-color: transparent;
  color: var(--white);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.plan-tag {
  margin: 0 0 0.7rem;
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
}

.plan-card h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.35rem;
}

.plan-price {
  margin: 0.9rem 0 0.6rem;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.plan-price strong {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.plan-price span {
  color: var(--muted);
  font-size: 0.92rem;
}

.plan-desc {
  margin: 0 0 1rem;
  font-size: 0.95rem;
}

.plan-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.plan-card li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.plan-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--highlight);
}

.plan-card-featured,
.plan-card-featured h3,
.plan-card-featured .plan-price,
.plan-card-featured .plan-price strong {
  color: #ffffff;
}

.plan-card-featured .plan-tag,
.plan-card-featured .plan-desc,
.plan-card-featured .plan-price span,
.plan-card-featured li {
  color: rgba(255, 255, 255, 0.92);
}

.plan-card-featured li::before {
  background: #e6c878;
}

.benefit-block,
.catalog {
  margin-top: 0.5rem;
  padding: 1.8rem 0 0;
  border-top: 1px solid var(--line);
}

.benefit-block h3,
.catalog h3 {
  margin: 0 0 1.2rem;
  font-family: var(--font-serif);
  font-size: 1.35rem;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem 1.2rem;
}

.benefit-grid article {
  padding: 0.2rem 0 0.6rem;
}

.benefit-grid h4 {
  margin: 0 0 0.45rem;
  font-size: 1.02rem;
}

.benefit-grid p {
  margin: 0;
  font-size: 0.93rem;
}

.catalog-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.catalog-list li {
  padding: 0.55rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.services {
  background:
    linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.55) 20%, rgba(255, 255, 255, 0.55) 80%, transparent);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}

.service-item {
  padding: 1.5rem 1.35rem;
  border-top: 2px solid var(--accent);
  background: transparent;
}

.service-item h3 {
  margin: 0 0 0.7rem;
  font-size: 1.1rem;
}

.service-item p {
  margin: 0;
  font-size: 0.96rem;
}

.info-table {
  margin: 0;
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.78);
}

.info-table > div {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--line);
}

.info-table > div:last-child {
  border-bottom: none;
}

.info-table dt {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.info-table dd {
  margin: 0;
  font-weight: 500;
}

.contact-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  padding: 2.2rem;
  border-radius: calc(var(--radius) + 4px);
  background:
    linear-gradient(145deg, rgba(31, 107, 79, 0.94), rgba(21, 74, 55, 0.96)),
    var(--accent-deep);
  color: var(--white);
  box-shadow: var(--shadow);
}

.contact-panel .eyebrow {
  color: rgba(255, 255, 255, 0.72);
}

.contact-panel p {
  color: rgba(255, 255, 255, 0.82);
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.contact-list li {
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.contact-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.contact-list span {
  display: block;
  margin-bottom: 0.3rem;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.85rem;
}

.contact-list strong {
  font-weight: 500;
}

.site-footer {
  padding: 2.4rem 0 2.8rem;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: flex-end;
}

.footer-brand strong {
  font-family: var(--font-serif);
  font-size: 1.05rem;
}

.footer-brand p,
.footer-meta p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-meta {
  text-align: right;
}

.footer-meta a {
  color: var(--accent-deep);
  border-bottom: 1px solid transparent;
}

.footer-meta a:hover {
  border-bottom-color: currentColor;
}

.js-ready .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }
  to {
    transform: translate3d(-18px, 22px, 0) rotate(8deg);
  }
}

@media (max-width: 900px) {
  .split,
  .service-grid,
  .plan-grid,
  .benefit-grid,
  .contact-panel,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .plan-card-featured {
    transform: none;
  }

  .service-grid {
    display: grid;
  }

  .footer-inner {
    display: grid;
  }

  .footer-meta {
    text-align: left;
  }

  .info-table > div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-block;
  }

  .nav {
    position: absolute;
    top: 72px;
    right: 1.25rem;
    left: 1.25rem;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0.5rem;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow);
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    width: 100%;
    padding: 0.9rem 1rem;
  }

  .about-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 3.5rem;
  }

  .section {
    padding: 4rem 0;
  }
}