:root {
  --bg: #f5efe4;
  --bg-soft: #fbf7ef;
  --paper: rgba(255, 252, 247, 0.88);
  --paper-strong: #fffdf9;
  --line: #e1d7c7;
  --ink: #1d2f31;
  --muted: #5f7072;
  --primary: #0f8a6b;
  --primary-strong: #0a6c54;
  --accent: #f08a3e;
  --accent-soft: #ffd4a8;
  --shadow-lg: 0 26px 56px rgba(30, 40, 36, 0.14);
  --shadow-md: 0 14px 34px rgba(30, 40, 36, 0.1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--ink);
  font-family: "Sora", "Poppins", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 10% 8%, rgba(15, 138, 107, 0.2), transparent 40%),
    radial-gradient(circle at 90% 8%, rgba(240, 138, 62, 0.2), transparent 44%),
    linear-gradient(180deg, #f9f5ee 0%, #f5efe4 45%, #f7f2e9 100%);
  overflow-x: hidden;
  line-height: 1.6;
}

a {
  color: inherit;
}

.fx {
  position: fixed;
  z-index: 0;
  pointer-events: none;
  border-radius: 999px;
  filter: blur(64px);
}

.fx-a {
  width: 360px;
  height: 360px;
  top: -120px;
  left: -120px;
  background: rgba(15, 138, 107, 0.18);
  animation: driftA 14s ease-in-out infinite;
}

.fx-b {
  width: 420px;
  height: 420px;
  top: 18%;
  right: -160px;
  background: rgba(240, 138, 62, 0.2);
  animation: driftB 16s ease-in-out infinite;
}

.fx-c {
  width: 300px;
  height: 300px;
  bottom: -120px;
  left: 24%;
  background: rgba(19, 120, 154, 0.15);
  animation: driftC 13s ease-in-out infinite;
}

.landing {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  padding: 16px 0 28px;
  display: grid;
  gap: 14px;
}

.site-header {
  position: sticky;
  top: 10px;
  z-index: 8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: rgba(255, 250, 243, 0.86);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px 14px;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(87, 97, 88, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 0 0 5px rgba(15, 138, 107, 0.15);
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.site-nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.site-nav a:hover {
  color: var(--ink);
  border-bottom-color: rgba(15, 138, 107, 0.35);
}

.header-cta {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--primary);
  color: #f6fffd;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 8px 16px rgba(15, 138, 107, 0.26);
}

.hero {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 14px;
}

.hero-copy,
.hero-stage,
.block,
.site-foot {
  border-radius: 20px;
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: var(--shadow-md);
}

.hero-copy {
  padding: clamp(22px, 4vw, 36px);
}

.eyebrow {
  margin: 0;
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(15, 138, 107, 0.25);
  background: rgba(15, 138, 107, 0.08);
  color: #0a5f49;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 4.3vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.lead {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: clamp(14px, 1.35vw, 17px);
  line-height: 1.85;
  max-width: 44em;
}

.hero-actions {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  border-radius: 12px;
  padding: 0 16px;
  font-size: 14px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #169774);
  color: #f7fffd;
  box-shadow: 0 10px 22px rgba(15, 138, 107, 0.24);
}

.btn-soft {
  background: linear-gradient(135deg, #fff5e6, #ffe7cf);
  border: 1px solid #f1cca0;
  color: #8a4a13;
}

.btn-line {
  border: 1px solid rgba(15, 138, 107, 0.34);
  background: rgba(255, 255, 255, 0.72);
  color: #0c6e55;
}

.hero-note {
  margin: 12px 0 0;
  color: #607173;
  font-size: 13px;
}

.pill-row {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(15, 138, 107, 0.2);
  background: rgba(255, 255, 255, 0.76);
  font-size: 12px;
  color: #315154;
  font-weight: 600;
}

.hero-stage {
  padding: 20px;
  background:
    radial-gradient(circle at 85% 18%, rgba(240, 138, 62, 0.18), transparent 40%),
    radial-gradient(circle at 12% 85%, rgba(15, 138, 107, 0.18), transparent 45%),
    var(--paper-strong);
}

.stage-head h2 {
  margin: 0;
  font-size: clamp(22px, 2.1vw, 30px);
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.stage-head p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.stage-grid {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

.metric-card {
  position: relative;
  border: 1px solid #e8dece;
  border-radius: 14px;
  padding: 13px 14px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 10px 24px rgba(63, 72, 64, 0.08);
  transform-style: preserve-3d;
}

.metric-card small {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #0f8a6b;
  font-weight: 700;
}

.metric-card b {
  display: block;
  margin-top: 6px;
  font-size: 18px;
  line-height: 1.35;
}

.metric-card span {
  display: block;
  margin-top: 8px;
  color: #607173;
  font-size: 13px;
  line-height: 1.72;
}

.block {
  padding: clamp(20px, 3vw, 30px);
}

.block-head h2 {
  margin: 0;
  font-size: clamp(24px, 3.2vw, 38px);
  letter-spacing: -0.02em;
  line-height: 1.22;
}

.block-head p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.cap-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.cap-card,
.industry-card,
.workflow-step {
  border: 1px solid #e7dece;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
  padding: 16px;
}

.cap-card h3,
.industry-card h3,
.workflow-step h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.35;
  text-wrap: balance;
}

.cap-card p,
.industry-card p,
.workflow-step p {
  margin: 10px 0 0;
  color: #5f7072;
  line-height: 1.76;
  font-size: 14px;
}

.workflow-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.workflow-step span {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(15, 138, 107, 0.16), rgba(240, 138, 62, 0.18));
  color: #1b4d45;
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 12px;
}

.industry-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.value-block {
  background:
    radial-gradient(circle at 90% 12%, rgba(240, 138, 62, 0.24), transparent 40%),
    radial-gradient(circle at 10% 90%, rgba(15, 138, 107, 0.22), transparent 46%),
    rgba(255, 251, 244, 0.94);
}

.value-panel h2 {
  margin: 0;
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.value-panel p {
  margin: 12px 0 0;
  color: #607173;
  line-height: 1.82;
}

.value-kpis {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.value-kpis article {
  border: 1px solid #eadfce;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.82);
  padding: 12px;
}

.value-kpis b {
  display: block;
  font-size: 16px;
  line-height: 1.35;
}

.value-kpis span {
  display: block;
  margin-top: 6px;
  color: #607173;
  font-size: 12px;
  line-height: 1.65;
}

.value-points {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.value-points span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid #d8cebf;
  background: rgba(255, 255, 255, 0.82);
  padding: 8px 12px;
  font-size: 13px;
  color: #345255;
  font-weight: 600;
}

.site-foot {
  padding: 14px 16px;
  background: rgba(255, 251, 243, 0.86);
}

.site-foot p {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: #637577;
}

.site-foot p:first-child {
  color: #203235;
  font-weight: 700;
}

.reveal {
  opacity: 1;
  transform: translateY(0);
}

.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.js .reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  .hero {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 920px) {
  .landing {
    width: calc(100% - 20px);
    padding-top: 12px;
  }

  .site-header {
    top: 6px;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 10px;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 8px;
  }

  .header-cta {
    margin-left: auto;
  }

  .cap-grid,
  .workflow-grid,
  .industry-grid,
  .value-kpis {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .hero-stage,
  .block {
    padding: 18px;
  }
}

@media (max-width: 640px) {
  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
    height: 48px;
  }

  .site-nav a {
    font-size: 13px;
    letter-spacing: 0.01em;
  }

  .pill,
  .value-points span {
    width: 100%;
    justify-content: center;
  }

  .fx {
    filter: blur(44px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0ms !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}

@keyframes driftA {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(22px, 18px);
  }
}

@keyframes driftB {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(-16px, 24px);
  }
}

@keyframes driftC {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(18px, -12px);
  }
}