:root {
  --bg: #f7f8f2;
  --bg-strong: #eef4e5;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: #ffffff;
  --text: #265c5a;
  --text-soft: #547170;
  --line: rgba(38, 92, 90, 0.12);
  --primary: #98c455;
  --primary-deep: #265c5a;
  --shadow: 0 24px 60px rgba(38, 92, 90, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 12%, rgba(152, 196, 85, 0.2), transparent 20%),
    radial-gradient(circle at 88% 18%, rgba(38, 92, 90, 0.08), transparent 20%),
    linear-gradient(180deg, #fbfcf8 0%, var(--bg) 100%);
}

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

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

.page-shell {
  min-height: 100vh;
  overflow-x: hidden;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px);
  background: rgba(251, 252, 248, 0.84);
  border-bottom: 1px solid rgba(38, 92, 90, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  color: var(--primary-deep);
  background: rgba(152, 196, 85, 0.2);
  border: 1px solid rgba(38, 92, 90, 0.12);
  box-shadow: 0 10px 28px rgba(152, 196, 85, 0.2);
  font-size: 28px;
  line-height: 1;
}

.brand-name {
  font-family: "Noto Serif SC", serif;
  font-size: 20px;
  letter-spacing: 0.05em;
}

.brand-subtitle {
  margin-top: 2px;
  font-family: "Manrope", sans-serif;
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 14px;
  color: var(--text-soft);
}

.site-nav a {
  transition: color 0.25s ease;
}

.site-nav a:hover {
  color: var(--primary-deep);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    background 0.25s ease,
    color 0.25s ease;
}

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

.button-primary {
  background: var(--primary);
  color: var(--primary-deep);
  border-color: rgba(152, 196, 85, 0.42);
  box-shadow: 0 14px 34px rgba(152, 196, 85, 0.3);
}

.button-primary:hover {
  box-shadow: 0 18px 42px rgba(152, 196, 85, 0.38);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.86);
  color: var(--primary-deep);
  border-color: rgba(38, 92, 90, 0.12);
  box-shadow: 0 12px 28px rgba(38, 92, 90, 0.06);
}

.hero-section {
  position: relative;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(38, 92, 90, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(38, 92, 90, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at center, black 56%, transparent 96%);
  pointer-events: none;
}

.hero-layout {
  position: relative;
  min-height: calc(100vh - 88px);
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 60px;
  align-items: center;
  padding: 52px 0 60px;
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  border-radius: 999px;
  border: 1px solid rgba(38, 92, 90, 0.12);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 10px 26px rgba(38, 92, 90, 0.05);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-deep);
}

.hero-copy h1,
.section h2,
.cta-content h2 {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.hero-copy h1 {
  margin-top: 28px;
  font-size: clamp(3rem, 7vw, 5.8rem);
  line-height: 1.03;
  max-width: 660px;
}

.hero-copy h1 span,
.cta-content h2 span {
  display: block;
  color: var(--primary-deep);
}

.hero-description,
.section-heading-grid p,
.capability-intro p,
.process-layout > div > p,
.scenario-panel p,
.cta-content p {
  font-size: 18px;
  line-height: 1.9;
  color: var(--text-soft);
}

.hero-description {
  max-width: 760px;
  margin: 28px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.metric-card,
.feature-card,
.capability-row,
.process-step-card,
.scenario-item {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.metric-card {
  padding: 24px 24px 22px;
  border-radius: 22px;
}

.metric-card strong {
  display: block;
  font-family: "Noto Serif SC", serif;
  font-size: 42px;
  font-weight: 600;
  color: var(--primary-deep);
}

.metric-card span {
  display: block;
  margin-top: 10px;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.7;
}

.hero-visual-wrap {
  position: relative;
  min-height: 620px;
}

.hero-visual-card {
  position: absolute;
  right: 0;
  top: 90px;
  width: min(100%, 640px);
  border-radius: 36px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(38, 92, 90, 0.08);
  box-shadow: 0 32px 70px rgba(38, 92, 90, 0.12);
}

.hero-visual-card img {
  border-radius: 28px;
  min-height: 390px;
  object-fit: cover;
}

.floating-card {
  position: absolute;
  max-width: 290px;
  padding: 20px 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(38, 92, 90, 0.08);
  box-shadow: 0 20px 50px rgba(38, 92, 90, 0.1);
}

.floating-card p,
.mini-label {
  margin: 0;
}

.floating-card-top {
  left: 0;
  top: 150px;
}

.floating-card-bottom {
  right: 14px;
  bottom: 84px;
}

.mini-label {
  display: inline-block;
  margin-bottom: 10px;
  font-family: "Manrope", sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.22em;
  color: var(--primary-deep);
}

.section {
  padding: 110px 0;
}

.section-soft {
  background: linear-gradient(180deg, rgba(247, 248, 242, 0.42), rgba(255, 255, 255, 0.92));
}

.section-heading-grid,
.scenario-layout,
.process-layout,
.capability-layout {
  display: grid;
  gap: 54px;
}

.section-heading-grid {
  grid-template-columns: 1fr 0.9fr;
  align-items: end;
}

.section-kicker {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding-left: 56px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--primary-deep);
}

.section-kicker::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 42px;
  height: 1px;
  background: linear-gradient(90deg, var(--primary-deep), rgba(152, 196, 85, 0.15));
}

.section-kicker-dark {
  color: #1e4543;
}

.section h2,
.cta-content h2 {
  margin-top: 20px;
  font-size: clamp(2.3rem, 4.2vw, 4rem);
  line-height: 1.15;
  max-width: 760px;
}

.feature-grid {
  margin-top: 50px;
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card {
  min-height: 280px;
  padding: 28px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(237, 243, 227, 0.82));
}

.icon-chip {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: rgba(152, 196, 85, 0.16);
  color: var(--primary-deep);
  font-family: "Manrope", sans-serif;
  font-weight: 800;
}

.feature-card h3,
.capability-row h3,
.process-step-card h3 {
  margin: 28px 0 0;
  font-size: 28px;
  font-weight: 600;
  line-height: 1.35;
}

.feature-card p,
.capability-row p,
.process-step-card p,
.scenario-item,
.cta-content p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.95;
  color: var(--text-soft);
}

.capability-layout {
  grid-template-columns: 0.9fr 1.1fr;
  align-items: start;
}

.visual-card {
  margin-top: 32px;
  overflow: hidden;
  border-radius: 32px;
  border: 1px solid rgba(38, 92, 90, 0.08);
  box-shadow: 0 24px 60px rgba(38, 92, 90, 0.1);
}

.capability-list {
  display: grid;
  gap: 22px;
}

.capability-row {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 24px;
  align-items: start;
  padding: 28px 30px;
  border-radius: 28px;
}

.capability-row-offset {
  transform: translateX(40px);
}

.capability-index,
.process-step-badge {
  font-family: "Manrope", sans-serif;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.22em;
  color: #6e8f47;
}

.process-section {
  background:
    radial-gradient(circle at 20% 12%, rgba(152, 196, 85, 0.08), transparent 16%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(245, 247, 241, 0.96));
}

.process-layout {
  grid-template-columns: 1.03fr 0.97fr;
  align-items: center;
}

.process-list {
  margin-top: 38px;
  display: grid;
  gap: 18px;
}

.process-step-card {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 18px;
  padding: 24px 26px;
  border-radius: 24px;
}

.process-visual-wrap {
  display: flex;
  justify-content: center;
}

.process-visual {
  width: 100%;
  max-width: 560px;
  filter: drop-shadow(0 28px 48px rgba(38, 92, 90, 0.12));
}

.scenario-layout {
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
}

.scenario-panel {
  padding: 8px 0;
}

.scenario-list {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.scenario-item {
  padding: 18px 22px;
  border-radius: 20px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  background: rgba(152, 196, 85, 0.16);
  color: var(--primary-deep);
  font-size: 14px;
  font-weight: 700;
}

.cta-stage {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  border-radius: 36px;
  border: 1px solid rgba(38, 92, 90, 0.08);
  box-shadow: 0 32px 80px rgba(38, 92, 90, 0.12);
  background: rgba(255, 255, 255, 0.76);
}

.cta-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(251, 252, 248, 0.92), rgba(251, 252, 248, 0.48));
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  padding: 56px;
}

@media (max-width: 1180px) {
  .hero-layout,
  .capability-layout,
  .process-layout,
  .scenario-layout,
  .section-heading-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual-wrap {
    min-height: 560px;
  }

  .capability-row-offset {
    transform: none;
  }
}

@media (max-width: 860px) {
  .site-nav,
  .button-header {
    display: none;
  }

  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .site-header {
    position: static;
  }

  .hero-layout {
    min-height: auto;
    gap: 38px;
    padding-top: 34px;
  }

  .hero-copy h1 {
    font-size: 3.2rem;
  }

  .hero-description,
  .section-heading-grid p,
  .capability-intro p,
  .process-layout > div > p,
  .scenario-panel p,
  .cta-content p {
    font-size: 16px;
    line-height: 1.85;
  }

  .metrics-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual-wrap {
    min-height: 430px;
  }

  .hero-visual-card {
    position: relative;
    top: 0;
    right: auto;
    width: 100%;
  }

  .floating-card {
    position: static;
    margin-top: 16px;
    max-width: none;
  }

  .section {
    padding: 84px 0;
  }

  .feature-card,
  .capability-row,
  .process-step-card,
  .cta-content {
    padding: 22px;
  }

  .capability-row,
  .process-step-card {
    grid-template-columns: 1fr;
  }

  .cta-stage {
    min-height: auto;
  }
}

.site-footer {
  padding: 60px 0 40px;
  background: var(--bg-strong);
  border-top: 1px solid var(--line);
  color: var(--text-soft);
  font-size: 14px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.footer-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
}

.footer-link-item {
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.25s ease;
  white-space: nowrap;
}

.footer-link-item:hover {
  color: var(--primary-deep);
}

.footer-link-item img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.footer-copyright {
  opacity: 0.6;
  font-size: 13px;
  letter-spacing: 0.02em;
}

@media (max-width: 640px) {
  .footer-links {
    flex-direction: column;
    gap: 16px;
  }
}