:root {
  --lawn: #3f9a4a;
  --lawn-deep: #2d7436;
  --sun: #f0bf3a;
  --sun-deep: #d9a422;
  --soil: #5a4030;
  --ink: #1e2a1c;
  --ink-soft: #4a5a46;
  --cream: #f4f7ef;
  --mist: #e4ecda;
  --line: rgba(30, 42, 28, 0.14);
  --white: #ffffff;
  --shadow: 0 16px 40px rgba(30, 42, 28, 0.12);
  --font-display: "ZCOOL KuaiLe", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --nav-h: 70px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    repeating-linear-gradient(
      90deg,
      rgba(63, 154, 74, 0.035) 0 28px,
      rgba(240, 191, 58, 0.03) 28px 56px
    ),
    linear-gradient(180deg, #f7faF2 0%, var(--cream) 40%, #eaf1e2 100%);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: 0; background: none; cursor: pointer; }

.container {
  width: min(1140px, calc(100% - 2.4rem));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 1000;
  padding: 0.7rem 1rem;
  background: var(--ink);
  color: var(--white);
}
.skip-link:focus { top: 1rem; }

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--nav-h);
  color: rgba(255, 255, 255, 0.95);
  transition: 0.35s var(--ease);
}
.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(244, 247, 239, 0.94);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--line);
}

.nav {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
}
.brand-mark {
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 4px;
  background: linear-gradient(145deg, var(--lawn), var(--sun));
  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.25);
}

.nav-links {
  display: flex;
  gap: 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: 0.94rem;
  opacity: 0.9;
  border-bottom: 2px solid transparent;
  padding-bottom: 0.15rem;
  transition: 0.2s ease;
}
.nav-links a:hover {
  opacity: 1;
  border-bottom-color: var(--sun);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 10px;
  color: inherit;
}
.site-header.is-scrolled .nav-toggle {
  border-color: var(--line);
  background: rgba(255,255,255,0.65);
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 17px;
  height: 1.5px;
  background: currentColor;
  position: relative;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}
.nav-toggle span::before { top: -5px; }
.nav-toggle span::after { top: 5px; }

/* Hero - angled bottom */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  color: var(--white);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
}
.hero-media { position: absolute; inset: 0; }
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: drift 18s var(--ease) infinite alternate;
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(20, 40, 18, 0.25), rgba(20, 40, 18, 0.78)),
    linear-gradient(90deg, rgba(20, 40, 18, 0.55), transparent 60%);
}
.hero-content {
  position: relative;
  z-index: 1;
  width: min(1140px, calc(100% - 2.4rem));
  margin: 0 auto;
  padding: calc(var(--nav-h) + 3rem) 0 5.5rem;
}
.hero-brand {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 4.6rem);
  line-height: 1.05;
  opacity: 0;
  transform: translateY(20px);
  animation: rise 0.8s var(--ease) 0.1s forwards;
}
.hero-title {
  margin: 0 0 0.8rem;
  max-width: 16em;
  font-size: clamp(1.15rem, 2.6vw, 1.7rem);
  font-weight: 600;
  opacity: 0;
  transform: translateY(20px);
  animation: rise 0.8s var(--ease) 0.25s forwards;
}
.hero-desc {
  margin: 0 0 1.5rem;
  max-width: 34em;
  color: rgba(255,255,255,0.9);
  opacity: 0;
  transform: translateY(20px);
  animation: rise 0.8s var(--ease) 0.4s forwards;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  opacity: 0;
  transform: translateY(20px);
  animation: rise 0.8s var(--ease) 0.55s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1.35rem;
  border-radius: 12px;
  font-size: 0.95rem;
  transition: 0.25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--sun); color: #2c2208; }
.btn-primary:hover { background: #f7cb55; }
.btn-fast { background: var(--lawn); color: #fff; }
.btn-fast:hover { background: var(--lawn-deep); }
.btn-ghost {
  border: 1px solid rgba(255,255,255,0.5);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); }
.btn-solid { background: var(--lawn); color: #fff; }
.btn-solid:hover { background: var(--lawn-deep); }

/* Sections with angled tops */
.section {
  padding: clamp(3.6rem, 7vw, 5.8rem) 0;
  position: relative;
}
.section-head {
  max-width: 40rem;
  margin-bottom: 2rem;
}
.eyebrow {
  margin: 0 0 0.55rem;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lawn-deep);
}
.section-head h2 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.3vw, 2.4rem);
}
.section-head p { margin: 0; color: var(--ink-soft); }

/* Offset media layout (different from previous) */
.offset-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 0;
  align-items: stretch;
}
.offset-media {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  border-radius: 0 28px 28px 0;
  box-shadow: var(--shadow);
}
.offset-media img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}
.offset-copy {
  padding: clamp(1.2rem, 3vw, 2.4rem) 0 clamp(1.2rem, 3vw, 2.4rem) clamp(1.2rem, 4vw, 2.8rem);
  display: grid;
  align-content: center;
  gap: 0.9rem;
}
.offset-copy p {
  margin: 0;
  color: var(--ink-soft);
}

/* Pillar features */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-top: 0.5rem;
}
.pillar {
  padding: 1.2rem 0 1.2rem 1rem;
  border-left: 4px solid var(--lawn);
  background: linear-gradient(90deg, rgba(63,154,74,0.08), transparent 70%);
}
.pillar:nth-child(2) { border-left-color: var(--sun); background: linear-gradient(90deg, rgba(240,191,58,0.12), transparent 70%); }
.pillar:nth-child(3) { border-left-color: var(--soil); background: linear-gradient(90deg, rgba(90,64,48,0.08), transparent 70%); }
.pillar h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
}
.pillar p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

.band {
  background: linear-gradient(180deg, rgba(228, 236, 218, 0.8), rgba(244, 247, 239, 0.95));
}

/* Journey strip */
.journey {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(1.2rem, 3vw, 2rem);
  align-items: center;
}
.journey-visual {
  overflow: hidden;
  border-radius: 24px 8px 24px 8px;
  min-height: 360px;
  box-shadow: var(--shadow);
}
.journey-visual img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}
.journey-steps {
  display: grid;
  gap: 1rem;
}
.step {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0.8rem;
  align-items: start;
}
.step-no {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  background: var(--lawn);
  color: #fff;
}
.step:nth-child(2) .step-no { background: var(--sun); color: #2c2208; }
.step:nth-child(3) .step-no { background: var(--soil); }
.step h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
}
.step p { margin: 0; color: var(--ink-soft); }

/* Showcase panel */
.showcase {
  position: relative;
  overflow: hidden;
  border-radius: 8px 28px 8px 28px;
  min-height: 420px;
  display: grid;
  align-items: end;
  color: #fff;
  box-shadow: var(--shadow);
}
.showcase img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.showcase::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20,40,18,0.1), rgba(20,40,18,0.82));
}
.showcase-copy {
  position: relative;
  z-index: 1;
  padding: clamp(1.4rem, 4vw, 2.5rem);
  max-width: 40rem;
}
.showcase-copy h2 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}
.showcase-copy p {
  margin: 0;
  color: rgba(255,255,255,0.9);
}

/* Download ribbon */
.download-ribbon {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  min-height: 300px;
  display: grid;
  align-items: center;
  color: #fff;
  box-shadow: var(--shadow);
}
.download-ribbon img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.download-ribbon::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(20,40,18,0.88), rgba(20,40,18,0.4));
}
.download-copy {
  position: relative;
  z-index: 1;
  padding: clamp(1.5rem, 4vw, 2.8rem);
  max-width: 34rem;
}
.download-copy h2 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}
.download-copy p {
  margin: 0 0 1.2rem;
  color: rgba(255,255,255,0.9);
}
.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.site-footer {
  padding: 2rem 0 2.4rem;
  border-top: 1px solid var(--line);
  background: rgba(244, 247, 239, 0.95);
}
.footer-inner {
  display: grid;
  gap: 1rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}
.seo-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.65rem;
}
.seo-keywords a {
  font-size: 0.8rem;
  color: var(--ink-soft);
  opacity: 0.82;
}
.seo-keywords a:hover {
  color: var(--lawn-deep);
  opacity: 1;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: 0.75s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes rise {
  to { opacity: 1; transform: none; }
}
@keyframes drift {
  from { transform: scale(1.04); }
  to { transform: scale(1.1) translate(-1%, -0.6%); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-media img,
  .hero-brand,
  .hero-title,
  .hero-desc,
  .hero-actions,
  .reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (max-width: 960px) {
  .offset-layout,
  .journey,
  .pillars {
    grid-template-columns: 1fr;
  }
  .offset-media {
    border-radius: 18px;
    min-height: 260px;
  }
  .offset-media img,
  .journey-visual img {
    min-height: 260px;
  }
  .offset-copy {
    padding: 1.2rem 0 0;
  }
}

@media (max-width: 760px) {
  :root { --nav-h: 62px; }
  .nav-toggle { display: grid; }
  .nav-links {
    position: fixed;
    inset: var(--nav-h) 1rem auto;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 0.5rem;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(244,247,239,0.98);
    color: var(--ink);
    box-shadow: var(--shadow);
  }
  .nav-links.is-open { display: flex; }
  .nav-links a {
    padding: 0.8rem;
    border-bottom: 0;
    border-radius: 8px;
  }
  .nav-links a:hover { background: var(--mist); }
  .hero { clip-path: polygon(0 0, 100% 0, 100% 96%, 0 100%); }
}

@media (max-width: 480px) {
  .container,
  .hero-content { width: min(1140px, calc(100% - 1.3rem)); }
  .hero-actions,
  .download-actions { width: 100%; }
  .btn { width: 100%; }
}