:root {
  --green-950: #08291f;
  --green-900: #0b3528;
  --green-800: #145c3a;
  --green-700: #22704b;
  --green-100: #e3eee6;
  --sprout: #a8c95a;
  --sprout-light: #dbe9b6;
  --gold: #dca33a;
  --ivory: #f5f3ec;
  --ivory-2: #ebe8de;
  --paper: #fffdf8;
  --ink: #233129;
  --muted: #6a756e;
  --line: rgba(20, 92, 58, 0.16);
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(8, 41, 31, 0.12);
  --shadow-soft: 0 14px 42px rgba(8, 41, 31, 0.08);
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --radius-sm: 14px;
  --radius: 24px;
  --radius-lg: 38px;
  --container: min(1240px, calc(100vw - 64px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body::selection {
  background: var(--sprout-light);
  color: var(--green-950);
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

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

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  padding: 118px 0;
}

.section-tight {
  padding: 84px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--green-700);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 28px;
  height: 2px;
  content: "";
  background: var(--sprout);
}

.eyebrow.light {
  color: var(--sprout-light);
}

.display {
  max-width: 800px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(42px, 5.1vw, 76px);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.section-title {
  max-width: 760px;
  margin: 0;
  color: var(--green-950);
  font-family: var(--serif);
  font-size: clamp(34px, 3.6vw, 54px);
  letter-spacing: -0.035em;
  line-height: 1.14;
}

.section-copy {
  max-width: 640px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 58px;
}

.section-head .section-copy {
  max-width: 410px;
  margin: 0;
}

.btn {
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, border 180ms ease;
}

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

.btn-primary {
  background: var(--sprout);
  color: var(--green-950);
}

.btn-primary:hover {
  background: #b8d66b;
}

.btn-dark {
  background: var(--green-900);
  color: var(--white);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  backdrop-filter: blur(14px);
}

.btn-outline {
  border-color: rgba(20, 92, 58, 0.32);
  color: var(--green-800);
  background: transparent;
}

.arrow {
  font-size: 20px;
  line-height: 1;
}

/* Header */
.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: 0;
  height: 82px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--white);
  transition: background 220ms ease, color 220ms ease, box-shadow 220ms ease;
}

.site-header.solid,
.site-header.on-light {
  border-bottom-color: var(--line);
  background: rgba(255, 253, 248, 0.95);
  color: var(--ink);
  box-shadow: 0 8px 30px rgba(8, 41, 31, 0.06);
  backdrop-filter: blur(18px);
}

.header-inner {
  width: var(--container);
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 34px;
}

.brand {
  min-width: 214px;
  display: flex;
  align-items: center;
  gap: 11px;
}

.brand-mark {
  width: 41px;
  height: 41px;
  border-radius: 13px 13px 13px 3px;
  display: grid;
  place-items: center;
  transform: rotate(-4deg);
  background: var(--sprout);
  color: var(--green-950);
}

.brand-mark svg {
  width: 25px;
  transform: rotate(4deg);
}

.brand-cn {
  display: block;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
}

.brand-en {
  display: block;
  margin-top: 6px;
  opacity: 0.65;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 29px;
  flex: 1;
}

.main-nav a {
  position: relative;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: -11px;
  left: 0;
  height: 2px;
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  background: var(--sprout);
  transition: transform 180ms ease;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-phone {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.25;
}

.header-phone small {
  opacity: 0.65;
  font-size: 10px;
}

.header-phone strong {
  font-size: 14px;
  letter-spacing: 0.04em;
}

.menu-button {
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  display: none;
  background: var(--green-100);
  color: var(--green-950);
}

/* Hero */
.hero {
  position: relative;
  min-height: 810px;
  overflow: hidden;
  display: flex;
  align-items: center;
  color: var(--white);
  background: var(--green-950);
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.02);
}

.hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(5, 35, 27, 0.92) 0%, rgba(5, 35, 27, 0.69) 35%, rgba(5, 35, 27, 0.2) 66%, rgba(5, 35, 27, 0.05) 100%),
    linear-gradient(0deg, rgba(5, 35, 27, 0.35), transparent 42%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: var(--container);
  margin: 80px auto 0;
}

.hero-copy {
  max-width: 700px;
}

.hero .display {
  max-width: 650px;
  text-shadow: 0 4px 28px rgba(0, 0, 0, 0.18);
}

.hero-lead {
  max-width: 590px;
  margin: 27px 0 36px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 19px;
  line-height: 1.8;
}

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

.crop-shortcuts {
  position: absolute;
  z-index: 3;
  right: 0;
  bottom: 0;
  left: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.17);
  background: rgba(6, 41, 31, 0.7);
  backdrop-filter: blur(18px);
}

.shortcut-inner {
  width: var(--container);
  height: 96px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.25fr repeat(5, 1fr);
  align-items: center;
}

.shortcut-label {
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.shortcut {
  height: 100%;
  border-left: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  transition: background 180ms ease;
}

.shortcut:hover {
  background: rgba(168, 201, 90, 0.16);
}

.shortcut b {
  font-family: var(--serif);
  font-size: 18px;
}

.crop-icon {
  font-size: 24px;
}

/* Finder */
.finder-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 88% 12%, rgba(168, 201, 90, 0.22), transparent 28%),
    var(--ivory);
}

.finder-panel {
  border: 1px solid rgba(20, 92, 58, 0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  background: rgba(255, 253, 248, 0.86);
  box-shadow: var(--shadow-soft);
}

.finder-intro {
  padding: 64px;
  background: var(--green-900);
  color: var(--white);
}

.finder-intro .section-title {
  color: var(--white);
}

.finder-intro p {
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.68);
}

.finder-steps {
  padding: 52px 58px;
}

.finder-step + .finder-step {
  margin-top: 34px;
}

.finder-step-label {
  margin-bottom: 13px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.choice-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.choice {
  padding: 11px 17px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--ink);
  font-size: 14px;
  transition: 160ms ease;
}

.choice:hover,
.choice.selected {
  border-color: var(--green-800);
  background: var(--green-800);
  color: var(--white);
}

.finder-result {
  display: block;
  margin-top: 36px;
  padding: 20px 22px;
  border-left: 3px solid var(--sprout);
  background: var(--green-100);
}

.finder-result small {
  display: block;
  color: var(--muted);
}

.finder-result strong {
  display: block;
  margin-top: 3px;
  color: var(--green-900);
  font-size: 18px;
}

/* Solution cards */
.solutions-grid {
  display: grid;
  grid-template-columns: 1.22fr 0.78fr 0.78fr;
  grid-template-rows: 330px 330px;
  gap: 18px;
}

.solution-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--ivory);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.solution-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-soft);
}

.solution-card.featured {
  grid-row: 1 / span 2;
  padding: 42px;
  background: var(--green-900);
  color: var(--white);
}

.solution-card.wide {
  grid-column: 2 / span 2;
}

.solution-index {
  color: var(--green-700);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.featured .solution-index {
  color: var(--sprout);
}

.solution-card h3 {
  position: relative;
  z-index: 2;
  max-width: 250px;
  margin: 12px 0 0;
  font-family: var(--serif);
  font-size: 30px;
  line-height: 1.2;
}

.solution-card.featured h3 {
  max-width: 330px;
  font-size: 44px;
}

.solution-card p {
  position: relative;
  z-index: 2;
  max-width: 300px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.featured p {
  color: rgba(255, 255, 255, 0.65);
}

.solution-link {
  position: relative;
  z-index: 3;
  font-size: 14px;
  font-weight: 700;
}

.product-orbit {
  position: absolute;
  z-index: 1;
  right: -36px;
  bottom: -30px;
  width: 67%;
  height: 56%;
  border-radius: 50% 0 0 0;
  background: rgba(168, 201, 90, 0.14);
}

.solution-card img {
  position: absolute;
  z-index: 2;
  right: -3%;
  bottom: -9%;
  width: 58%;
  height: 62%;
  object-fit: contain;
  filter: drop-shadow(0 18px 24px rgba(0, 0, 0, 0.16));
}

.solution-card.featured img {
  right: -3%;
  bottom: 2%;
  width: 78%;
  height: 56%;
}

.solution-card.wide img {
  right: 1%;
  bottom: -12%;
  width: 42%;
  height: 100%;
}

/* Crops */
.crops-section {
  position: relative;
  overflow: hidden;
  background: var(--green-950);
  color: var(--white);
}

.crops-section::before {
  position: absolute;
  top: -180px;
  right: -80px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(168, 201, 90, 0.18);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 70px rgba(168, 201, 90, 0.035), 0 0 0 140px rgba(168, 201, 90, 0.025);
}

.crops-section .section-title {
  color: var(--white);
}

.crops-section .section-copy {
  color: rgba(255, 255, 255, 0.62);
}

.crop-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.crop-card {
  min-height: 246px;
  padding: 30px;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: background 180ms ease;
}

.crop-card:hover {
  background: rgba(168, 201, 90, 0.1);
}

.crop-card .crop-icon {
  font-size: 42px;
}

.crop-card h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 27px;
}

.crop-card p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
}

/* Science */
.science-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 90px;
  align-items: start;
}

.science-sticky {
  position: sticky;
  top: 120px;
}

.science-list {
  border-top: 1px solid var(--line);
}

.science-row {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 22px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.science-row .num {
  color: var(--gold);
  font-family: var(--serif);
  font-size: 25px;
}

.science-row h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 23px;
}

.science-row p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.round-link {
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--green-800);
}

/* Partnership */
.partner-band {
  position: relative;
  overflow: hidden;
  background: var(--sprout);
  color: var(--green-950);
}

.partner-band::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.45;
  background-image: repeating-linear-gradient(125deg, transparent 0 26px, rgba(8, 41, 31, 0.07) 26px 27px);
}

.partner-layout {
  position: relative;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  align-items: center;
}

.partner-layout .section-title {
  color: var(--green-950);
}

.partner-supports {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.support-chip {
  min-height: 108px;
  padding: 22px;
  border: 1px solid rgba(8, 41, 31, 0.16);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.38);
}

.support-chip b {
  display: block;
  font-family: var(--serif);
  font-size: 19px;
}

.support-chip span {
  color: rgba(8, 41, 31, 0.68);
  font-size: 13px;
}

/* Footer */
.site-footer {
  background: #071f18;
  color: var(--white);
}

.footer-top {
  padding: 84px 0 66px;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 0.7fr 0.8fr;
  gap: 58px;
}

.footer-brand p {
  max-width: 360px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.54);
  font-size: 14px;
}

.footer-title {
  margin-bottom: 19px;
  color: rgba(255, 255, 255, 0.42);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.footer-links {
  display: grid;
  gap: 10px;
}

.footer-links a,
.footer-links span {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
}

.footer-bottom {
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.36);
  font-size: 11px;
}

/* Interior pages */
.page-hero {
  position: relative;
  min-height: 470px;
  padding: 150px 0 82px;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 80% 24%, rgba(168, 201, 90, 0.23), transparent 28%),
    linear-gradient(135deg, var(--green-950), var(--green-800));
}

.page-hero::after {
  position: absolute;
  right: -130px;
  bottom: -270px;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 80px rgba(255, 255, 255, 0.025), 0 0 0 160px rgba(255, 255, 255, 0.018);
}

.page-hero .display {
  position: relative;
  z-index: 2;
  max-width: 780px;
  font-size: clamp(46px, 5vw, 72px);
}

.page-hero p {
  position: relative;
  z-index: 2;
  max-width: 660px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 18px;
}

.breadcrumb {
  position: relative;
  z-index: 2;
  margin-bottom: 36px;
  color: rgba(255, 255, 255, 0.54);
  font-size: 12px;
}

.product-toolbar {
  position: sticky;
  z-index: 30;
  top: 82px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.94);
  backdrop-filter: blur(18px);
}

.toolbar-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.filter-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter {
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
}

.filter.active,
.filter:hover {
  background: var(--green-800);
  color: var(--white);
}

.search-field {
  width: 240px;
  padding: 11px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  outline: none;
  background: var(--white);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.product-card {
  position: relative;
  min-height: 500px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ivory);
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-soft);
}

.product-image {
  height: 315px;
  overflow: hidden;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 44%, rgba(168, 201, 90, 0.2), transparent 42%),
    var(--ivory-2);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 260ms ease;
}

.product-card:hover .product-image img {
  transform: scale(1.025);
}

.product-body {
  padding: 25px 26px 28px;
}

.product-type {
  color: var(--green-700);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.product-body h3 {
  margin: 8px 0 6px;
  font-family: var(--serif);
  font-size: 25px;
}

.product-body p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.product-meta {
  margin-top: 18px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  padding: 6px 9px;
  border-radius: 8px;
  background: var(--white);
  color: var(--muted);
  font-size: 11px;
}

/* Product detail */
.detail-hero {
  padding: 148px 0 80px;
  background:
    radial-gradient(circle at 80% 20%, rgba(168, 201, 90, 0.22), transparent 30%),
    var(--ivory);
}

.detail-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 82px;
  align-items: center;
}

.detail-media {
  position: relative;
  min-height: 590px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  place-items: center;
  background: var(--ivory-2);
}

.detail-media::after {
  position: absolute;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(20, 92, 58, 0.14);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 60px rgba(20, 92, 58, 0.035);
}

.detail-media img {
  position: relative;
  z-index: 2;
  width: 88%;
  height: 88%;
  object-fit: contain;
  filter: drop-shadow(0 26px 24px rgba(8, 41, 31, 0.2));
}

.detail-copy .eyebrow {
  margin-bottom: 16px;
}

.detail-copy h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(42px, 4.4vw, 66px);
  color: var(--green-950);
  line-height: 1.1;
}

.detail-lead {
  margin: 22px 0 32px;
  color: var(--muted);
  font-size: 18px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metric {
  padding: 22px 12px 22px 0;
}

.metric + .metric {
  padding-left: 18px;
  border-left: 1px solid var(--line);
}

.metric small {
  display: block;
  color: var(--muted);
  font-size: 11px;
}

.metric strong {
  display: block;
  margin-top: 5px;
  color: var(--green-900);
  font-size: 17px;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.benefit {
  min-height: 180px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--ivory);
}

.benefit .icon {
  color: var(--gold);
  font-size: 27px;
}

.benefit h3 {
  margin: 18px 0 7px;
  font-family: var(--serif);
  font-size: 19px;
}

.benefit p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.usage-table {
  border-top: 2px solid var(--green-900);
}

.usage-row {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1.2fr 1.5fr;
  border-bottom: 1px solid var(--line);
}

.usage-row > div {
  padding: 20px 16px;
}

.usage-row.head {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.usage-row:not(.head) > div:first-child {
  font-family: var(--serif);
  font-size: 18px;
}

.note-card {
  padding: 30px;
  border-radius: var(--radius);
  background: var(--green-900);
  color: var(--white);
}

.note-card p {
  color: rgba(255, 255, 255, 0.66);
}

/* Crop plan */
.crop-plan-hero {
  min-height: 560px;
  padding: 152px 0 80px;
  display: flex;
  align-items: end;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(5, 35, 27, 0.88), rgba(5, 35, 27, 0.12)),
    url("assets/hero/wheat-field-taian.png") center / cover;
}

.crop-plan-hero .display {
  max-width: 720px;
}

.crop-plan-hero p {
  max-width: 600px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
}

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.timeline::before {
  position: absolute;
  top: 26px;
  right: 10%;
  left: 10%;
  height: 1px;
  content: "";
  background: var(--line);
}

.phase {
  position: relative;
  padding-top: 72px;
}

.phase-dot {
  position: absolute;
  z-index: 2;
  top: 14px;
  left: 0;
  width: 26px;
  height: 26px;
  border: 7px solid var(--paper);
  border-radius: 50%;
  background: var(--sprout);
  box-shadow: 0 0 0 1px var(--green-800);
}

.phase-card {
  min-height: 325px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ivory);
}

.phase-card small {
  color: var(--gold);
  font-weight: 800;
  letter-spacing: 0.1em;
}

.phase-card h3 {
  margin: 8px 0 16px;
  font-family: var(--serif);
  font-size: 28px;
}

.phase-card p,
.phase-card li {
  color: var(--muted);
  font-size: 13px;
}

.phase-card ul {
  padding-left: 18px;
}

.recommendation {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--green-900);
  color: var(--white);
}

.recommendation-media {
  min-height: 520px;
  background: var(--ivory-2);
}

.recommendation-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.recommendation-copy {
  padding: 64px;
}

.recommendation-copy h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 42px;
}

.recommendation-copy p {
  color: rgba(255, 255, 255, 0.62);
}

.dosage {
  margin: 32px 0;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

/* Partnership page */
.partner-hero {
  min-height: 650px;
  padding: 160px 0 95px;
  display: flex;
  align-items: center;
  color: var(--white);
  background:
    radial-gradient(circle at 78% 30%, rgba(168, 201, 90, 0.26), transparent 24%),
    linear-gradient(135deg, #071f18, #145c3a);
}

.partner-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 84px;
  align-items: center;
}

.partner-hero .display {
  max-width: 660px;
}

.partner-hero p {
  max-width: 570px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 18px;
}

.partner-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.partner-stat {
  min-height: 150px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
}

.partner-stat strong {
  display: block;
  color: var(--sprout);
  font-family: var(--serif);
  font-size: 32px;
}

.partner-stat span {
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.support-card {
  min-height: 250px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ivory);
}

.support-card .number {
  color: var(--sprout);
  font-family: var(--serif);
  font-size: 34px;
}

.support-card h3 {
  margin: 35px 0 10px;
  font-family: var(--serif);
  font-size: 22px;
}

.support-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.process-step {
  position: relative;
  padding: 28px 24px 28px 0;
  border-top: 1px solid var(--line);
}

.process-step:not(:last-child)::after {
  position: absolute;
  top: 35px;
  right: 18px;
  content: "→";
  color: var(--sprout);
}

.process-step small {
  color: var(--gold);
}

.process-step h3 {
  margin: 14px 0 5px;
  font-family: var(--serif);
  font-size: 20px;
}

.process-step p {
  color: var(--muted);
  font-size: 12px;
}

.form-section {
  background: var(--ivory);
}

.lead-form-wrap {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 70px;
  align-items: start;
}

.lead-form {
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.field {
  display: grid;
  gap: 7px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: 0;
  background: var(--paper);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--green-700);
  box-shadow: 0 0 0 3px rgba(168, 201, 90, 0.2);
}

.form-status {
  display: none;
  margin-top: 16px;
  padding: 14px;
  border-radius: 10px;
  background: var(--green-100);
  color: var(--green-900);
}

.form-status.show {
  display: block;
}

/* Reveal */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 650ms ease, transform 650ms ease;
}

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

.mobile-cta {
  display: none;
}

@media (max-width: 1080px) {
  :root {
    --container: min(100% - 40px, 940px);
  }

  .main-nav,
  .header-phone {
    display: none;
  }

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

  .menu-button {
    display: grid;
    place-items: center;
  }

  .main-nav.open {
    position: fixed;
    top: 82px;
    right: 20px;
    left: 20px;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 20px;
    display: grid;
    justify-items: start;
    gap: 18px;
    background: var(--paper);
    color: var(--ink);
    box-shadow: var(--shadow);
  }

  .shortcut-inner {
    grid-template-columns: repeat(5, 1fr);
  }

  .shortcut-label {
    display: none;
  }

  .solutions-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 500px 320px 320px;
  }

  .solution-card.featured {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .solution-card.wide {
    grid-column: 1 / -1;
  }

  .crop-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .science-layout,
  .partner-layout,
  .detail-grid,
  .recommendation,
  .partner-hero-grid,
  .lead-form-wrap {
    grid-template-columns: 1fr;
  }

  .science-sticky {
    position: static;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }

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

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

@media (max-width: 720px) {
  :root {
    --container: calc(100vw - 32px);
    --radius: 18px;
    --radius-lg: 24px;
  }

  body {
    font-size: 15px;
  }

  .section {
    padding: 76px 0;
  }

  .section-tight {
    padding: 60px 0;
  }

  .site-header {
    height: 72px;
  }

  .brand {
    min-width: auto;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .brand-cn {
    font-size: 17px;
  }

  .brand-en {
    display: none;
  }

  .site-header .btn {
    display: none;
  }

  .main-nav.open {
    top: 72px;
  }

  .hero {
    min-height: 760px;
    align-items: flex-start;
  }

  .hero-bg {
    object-position: 66% center;
  }

  .hero::after {
    background: linear-gradient(90deg, rgba(5, 35, 27, 0.92), rgba(5, 35, 27, 0.3)), linear-gradient(0deg, rgba(5, 35, 27, 0.55), transparent);
  }

  .hero-content {
    margin-top: 156px;
  }

  .hero-lead {
    font-size: 16px;
  }

  .crop-shortcuts {
    overflow-x: auto;
  }

  .shortcut-inner {
    width: 680px;
    height: 82px;
  }

  .shortcut {
    justify-content: flex-start;
    padding-left: 20px;
  }

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

  .finder-intro,
  .finder-steps {
    padding: 36px 28px;
  }

  .section-head {
    align-items: start;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 38px;
  }

  .solutions-grid {
    grid-template-columns: 1fr;
    grid-template-rows: 450px repeat(3, 300px);
  }

  .solution-card.featured,
  .solution-card.wide {
    grid-column: auto;
  }

  .solution-card.featured {
    padding: 30px;
  }

  .solution-card.featured h3 {
    font-size: 36px;
  }

  .solution-card.wide img {
    width: 50%;
  }

  .crop-grid,
  .product-grid,
  .benefit-grid,
  .support-grid,
  .partner-supports,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .crop-card {
    min-height: 190px;
  }

  .science-row {
    grid-template-columns: 48px 1fr;
  }

  .science-row .round-link {
    display: none;
  }

  .partner-layout {
    gap: 40px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-bottom {
    gap: 10px;
    flex-direction: column;
  }

  .toolbar-inner {
    padding: 16px 0;
    align-items: stretch;
    flex-direction: column;
  }

  .product-toolbar {
    top: 72px;
  }

  .search-field {
    width: 100%;
  }

  .product-card {
    min-height: 470px;
  }

  .detail-hero {
    padding-top: 112px;
  }

  .detail-grid {
    gap: 40px;
  }

  .detail-media {
    min-height: 430px;
  }

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

  .metric + .metric {
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .usage-row {
    padding: 17px 0;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    border-bottom: 1px solid var(--line);
  }

  .usage-row > div {
    padding: 0;
  }

  .usage-row.head {
    display: none;
  }

  .timeline {
    grid-template-columns: 1fr;
  }

  .timeline::before {
    display: none;
  }

  .phase {
    padding-top: 35px;
  }

  .phase-dot {
    top: 0;
  }

  .recommendation-copy {
    padding: 38px 28px;
  }

  .process {
    grid-template-columns: 1fr;
  }

  .process-step:not(:last-child)::after {
    right: auto;
    bottom: -6px;
    left: 0;
    transform: rotate(90deg);
  }

  .lead-form {
    padding: 28px 20px;
  }

  .mobile-cta {
    position: fixed;
    z-index: 990;
    right: 12px;
    bottom: 12px;
    left: 12px;
    padding: 8px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    background: rgba(7, 31, 24, 0.94);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
  }

  .mobile-cta a {
    padding: 10px;
    border-radius: 999px;
    text-align: center;
    color: var(--white);
    font-size: 13px;
    font-weight: 700;
  }

  .mobile-cta a:last-child {
    background: var(--sprout);
    color: var(--green-950);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }

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