:root {
  --green-900: #216b45;
  --green-800: #2f8654;
  --green-700: #43a965;
  --green-600: #6bcf82;
  --green-100: #edf9ef;
  --ivory: #fbfff7;
  --paper: #ffffff;
  --gold: #b9a85f;
  --gold-soft: #f4e9bf;
  --ink: #203126;
  --muted: #607569;
  --line: rgba(67, 169, 101, 0.18);
  --shadow: 0 18px 42px rgba(67, 169, 101, 0.13);
  --shadow-soft: 0 10px 28px rgba(67, 169, 101, 0.1);
  --radius: 8px;
  --header-height: 78px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--ivory);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.75;
  letter-spacing: 0;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  height: var(--header-height);
  background: rgba(251, 255, 247, 0.92);
  border-bottom: 1px solid rgba(67, 169, 101, 0.12);
  backdrop-filter: blur(18px);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 10px 30px rgba(67, 169, 101, 0.12);
}

.nav-wrap {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 22px;
}

.brand {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  min-width: 210px;
  color: var(--green-900);
  font-weight: 700;
  white-space: nowrap;
}

.brand-logo {
  width: auto;
  max-width: 230px;
  height: 42px;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2px;
  flex: 1 1 auto;
}

.nav-menu a {
  position: relative;
  padding: 11px 13px;
  color: #31543e;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 5px;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--green-800);
}

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

.nav-consult,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
  line-height: 1.2;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.nav-consult,
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--green-800), var(--green-600));
  box-shadow: 0 10px 22px rgba(67, 169, 101, 0.24);
}

.nav-mobile-cta {
  display: none;
}

.btn-secondary {
  color: var(--green-900);
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(67, 169, 101, 0.24);
}

.btn-text {
  display: inline-flex;
  align-items: center;
  color: var(--green-800);
  font-weight: 700;
}

.btn-text::after {
  content: "";
  width: 24px;
  height: 1px;
  margin-left: 8px;
  background: var(--gold);
  transition: width 0.2s ease;
}

.btn:hover,
.nav-consult:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(67, 169, 101, 0.28);
}

.btn-text:hover::after {
  width: 36px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.72);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--green-900);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

main {
  overflow: hidden;
}

.section {
  padding: 92px 0;
}

.section-light {
  background: var(--paper);
}

.section-green {
  color: #fff;
  background:
    radial-gradient(circle at 18% 20%, rgba(244, 233, 191, 0.28), transparent 28%),
    linear-gradient(140deg, #2f9f61, #70c97e);
}

.section-head {
  max-width: 760px;
  margin: 0 auto 44px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  color: var(--green-700);
  font-size: 14px;
  font-weight: 800;
}

.section-green .eyebrow {
  color: var(--gold-soft);
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 20px;
  color: var(--green-900);
  font-size: clamp(40px, 5.6vw, 74px);
  line-height: 1.12;
  font-weight: 800;
}

h2 {
  margin-bottom: 14px;
  color: var(--green-900);
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.25;
}

h3 {
  color: var(--green-900);
  font-size: 22px;
  line-height: 1.35;
}

p {
  color: var(--muted);
}

.section-green h2,
.section-green h3,
.section-green p {
  color: #fff;
}

.lead {
  font-size: 18px;
  color: #52645a;
}

.muted {
  color: var(--muted);
}

.hero {
  position: relative;
  min-height: 760px;
  padding-top: var(--header-height);
  background:
    linear-gradient(115deg, rgba(251, 255, 247, 0.98) 0%, rgba(248, 255, 244, 0.88) 52%, rgba(237, 249, 239, 0.96) 100%);
}

.hero-slider {
  position: relative;
  min-height: calc(760px - var(--header-height));
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s ease;
}

.hero-slide.active {
  opacity: 1;
  pointer-events: auto;
}

.hero-slide .container {
  min-height: calc(760px - var(--header-height));
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  align-items: center;
  gap: 54px;
  padding: 54px 0 92px;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero-copy .lead {
  max-width: 650px;
  margin-bottom: 32px;
  font-size: clamp(17px, 2vw, 22px);
}

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

.center-actions {
  justify-content: center;
}

.hero-visual,
.image-placeholder,
.map-placeholder {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(67, 169, 101, 0.18);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.7), rgba(237, 249, 239, 0.8)),
    radial-gradient(circle at 22% 20%, rgba(244, 233, 191, 0.32), transparent 28%),
    linear-gradient(140deg, #edf9ef, #fffbe8);
  box-shadow: var(--shadow-soft);
}

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

.hero-visual::before,
.image-placeholder::before,
.map-placeholder::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(67, 169, 101, 0.24);
  border-radius: calc(var(--radius) - 2px);
}

.hero-visual::after,
.image-placeholder::after {
  content: "";
  position: absolute;
  right: -46px;
  bottom: -60px;
  width: 210px;
  height: 260px;
  border-radius: 55% 45% 50% 50%;
  background: linear-gradient(160deg, rgba(67, 169, 101, 0.3), rgba(244, 233, 191, 0.26));
  transform: rotate(-18deg);
}

.visual-label {
  position: absolute;
  left: 36px;
  right: 36px;
  bottom: 36px;
  z-index: 1;
  display: grid;
  gap: 6px;
}

.visual-label strong {
  color: var(--green-900);
  font-size: 24px;
}

.visual-label span {
  color: var(--muted);
  font-size: 14px;
  word-break: break-all;
}

.hero-dots {
  position: absolute;
  left: 50%;
  bottom: 34px;
  z-index: 4;
  display: flex;
  gap: 10px;
  transform: translateX(-50%);
}

.hero-dot {
  width: 36px;
  height: 4px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(67, 169, 101, 0.22);
  cursor: pointer;
}

.hero-dot.active {
  background: var(--green-700);
}

.grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.92fr);
  gap: 54px;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.card {
  position: relative;
  height: 100%;
  padding: 28px;
  border: 1px solid rgba(67, 169, 101, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(202, 164, 93, 0.35);
  box-shadow: var(--shadow);
}

.icon-box {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  color: var(--green-900);
  background: linear-gradient(145deg, var(--green-100), #fff6dd);
  border: 1px solid rgba(202, 164, 93, 0.28);
  border-radius: var(--radius);
  font-weight: 800;
}

.data-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 26px;
}

.data-item {
  padding: 16px;
  border-left: 3px solid var(--gold);
  background: rgba(255, 255, 255, 0.68);
  border-radius: var(--radius);
}

.data-item strong {
  display: block;
  color: var(--green-900);
}

.image-placeholder {
  min-height: 380px;
}

.hero-visual.has-photo,
.image-placeholder.has-photo,
.map-placeholder.has-photo {
  background: #edf9ef;
}

.hero-visual.has-photo::before,
.hero-visual.has-photo::after,
.image-placeholder.has-photo::before,
.image-placeholder.has-photo::after,
.map-placeholder.has-photo::before {
  display: none;
}

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

.product-showcase {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 48px;
  align-items: center;
}

.product-badge {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 6px 12px;
  color: var(--green-900);
  background: var(--gold-soft);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
}

.material-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 36px;
}

.material-card {
  overflow: hidden;
  padding: 0;
}

.material-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--green-100);
}

.material-body {
  padding: 24px;
}

.material-meta {
  display: inline-flex;
  margin-bottom: 8px;
  color: var(--green-700);
  font-size: 14px;
  font-weight: 900;
}

.source-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.source-note a {
  color: var(--green-700);
  font-weight: 700;
}

.compliance-note {
  margin-top: 20px;
  padding: 16px 18px;
  color: #6a4e18;
  background: #fff5dd;
  border: 1px solid rgba(202, 164, 93, 0.45);
  border-radius: var(--radius);
  font-size: 15px;
}

.process {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  counter-reset: process;
}

.process-step {
  position: relative;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
}

.process-step::before {
  counter-increment: process;
  content: "0" counter(process);
  display: block;
  margin-bottom: 18px;
  color: var(--gold-soft);
  font-weight: 900;
}

.news-card time,
.news-meta,
.tag {
  color: var(--green-700);
  font-size: 14px;
  font-weight: 800;
}

.news-card h3 {
  margin: 8px 0 10px;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}

.cert-item {
  min-height: 116px;
  display: grid;
  place-items: center;
  padding: 20px 12px;
  text-align: center;
  color: var(--green-900);
  background: rgba(255, 255, 255, 0.84);
  border: 1px dashed rgba(67, 169, 101, 0.28);
  border-radius: var(--radius);
  font-weight: 800;
}

.cta-band {
  padding: 72px 0;
  text-align: center;
  color: #fff;
  background:
    linear-gradient(rgba(47, 159, 97, 0.9), rgba(67, 169, 101, 0.86)),
    linear-gradient(135deg, #2f9f61, #79cf84);
}

.cta-band h2,
.cta-band p {
  color: #fff;
}

.page-hero {
  padding: 154px 0 78px;
  color: #fff;
  background:
    linear-gradient(120deg, rgba(47, 159, 97, 0.95), rgba(112, 201, 126, 0.86)),
    radial-gradient(circle at 80% 16%, rgba(244, 233, 191, 0.44), transparent 26%);
}

.page-hero h1,
.page-hero p {
  max-width: 820px;
  color: #fff;
}

.breadcrumb {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
}

.value-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.quote-panel {
  padding: 38px;
  border-left: 4px solid var(--gold);
  background: rgba(255, 255, 255, 0.8);
  border-radius: var(--radius);
}

.timeline {
  position: relative;
  max-width: 920px;
  margin: 0 auto;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(67, 169, 101, 0.2);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 0 42px 34px 0;
}

.timeline-item:nth-child(even) {
  margin-left: 50%;
  padding: 0 0 34px 42px;
}

.timeline-dot {
  position: absolute;
  top: 10px;
  right: -8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 8px rgba(202, 164, 93, 0.18);
}

.timeline-item:nth-child(even) .timeline-dot {
  right: auto;
  left: -8px;
}

.timeline-card {
  padding: 24px;
  border: 1px solid rgba(67, 169, 101, 0.14);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.timeline-year {
  color: var(--green-700);
  font-weight: 900;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

th,
td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

th {
  width: 34%;
  color: var(--green-900);
  background: rgba(232, 242, 235, 0.72);
}

tr:last-child th,
tr:last-child td {
  border-bottom: 0;
}

.feature-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.92fr);
  gap: 54px;
  align-items: center;
  margin-bottom: 70px;
}

.feature-row:nth-child(even) {
  grid-template-columns: minmax(320px, 0.92fr) minmax(0, 1fr);
}

.feature-row:nth-child(even) .image-placeholder {
  order: -1;
}

.flow-line {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.flow-item {
  position: relative;
  min-height: 92px;
  display: grid;
  place-items: center;
  padding: 18px;
  text-align: center;
  color: var(--green-900);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-weight: 800;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 36px;
}

.filter-btn {
  min-height: 40px;
  padding: 8px 18px;
  color: var(--green-900);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  font-weight: 800;
}

.filter-btn.active,
.filter-btn:hover {
  color: #fff;
  background: var(--green-700);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 48px;
  align-items: start;
}

.contact-list {
  display: grid;
  gap: 16px;
}

.contact-list div {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.contact-list strong {
  display: block;
  color: var(--green-900);
}

.form-grid {
  display: grid;
  gap: 16px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field label {
  color: var(--green-900);
  font-weight: 800;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 13px 14px;
  color: var(--ink);
  background: #fff;
  border: 1px solid rgba(67, 169, 101, 0.22);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-field textarea {
  min-height: 136px;
  resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--green-600);
  box-shadow: 0 0 0 4px rgba(107, 207, 130, 0.18);
}

.form-message {
  min-height: 26px;
  margin: 0;
  color: var(--green-800);
  font-weight: 700;
}

.map-placeholder {
  min-height: 340px;
  display: grid;
  place-items: center;
  text-align: center;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(30, 89, 57, 0.42);
}

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

.modal-panel {
  width: min(620px, 100%);
  padding: 30px;
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.22);
}

.modal-close {
  float: right;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
}

.site-footer {
  color: rgba(255, 255, 255, 0.78);
  background: linear-gradient(145deg, #2f8f59, #55b66f);
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(280px, 1.35fr) repeat(3, minmax(150px, 0.75fr));
  gap: 32px;
  padding: 58px 0 34px;
}

.footer-main h3,
.footer-main h4 {
  margin-bottom: 14px;
  color: #fff;
}

.footer-main p,
.footer-main a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
}

.footer-links {
  display: grid;
  gap: 8px;
}

.footer-links a:hover {
  color: var(--gold-soft);
}

.footer-bottom {
  padding: 20px 0 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-record {
  margin: 0;
}

.footer-record a {
  color: rgba(255, 255, 255, 0.82);
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.footer-record a:hover {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-compliance {
  width: 100%;
  padding: 14px 16px;
  color: #fff6df;
  background: rgba(202, 164, 93, 0.14);
  border: 1px solid rgba(202, 164, 93, 0.22);
  border-radius: var(--radius);
}

.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 24px;
  z-index: 900;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--green-800);
  border: 0;
  border-radius: 50%;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .nav-wrap {
    gap: 14px;
  }

  .nav-menu a {
    padding: 10px 8px;
    font-size: 14px;
  }

  .grid-4,
  .cert-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 860px) {
  :root {
    --header-height: 68px;
  }

  .container {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    height: var(--header-height);
  }

  .brand {
    min-width: auto;
  }

  .brand-logo {
    max-width: 188px;
    height: 36px;
  }

  .menu-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    background: rgba(255, 253, 248, 0.98);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

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

  .nav-menu a {
    padding: 13px 12px;
    border-radius: var(--radius);
  }

  .nav-menu a::after {
    display: none;
  }

  .nav-menu a.active,
  .nav-menu a:hover {
    background: var(--green-100);
  }

  .nav-consult {
    display: none;
  }

  .nav-mobile-cta {
    display: block;
    color: #fff !important;
    background: var(--green-700);
    text-align: center;
  }

  .hero,
  .hero-slider,
  .hero-slide .container {
    min-height: 720px;
  }

  .hero-slide .container,
  .grid-2,
  .product-showcase,
  .contact-grid,
  .feature-row,
  .feature-row:nth-child(even) {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .feature-row:nth-child(even) .image-placeholder {
    order: 0;
  }

  .hero-slide .container {
    padding: 42px 0 86px;
  }

  .hero-visual {
    min-height: 260px;
  }

  .section {
    padding: 68px 0;
  }

  .grid-3,
  .material-grid,
  .data-strip,
  .process,
  .flow-line {
    grid-template-columns: 1fr;
  }

  .timeline::before {
    left: 8px;
  }

  .timeline-item,
  .timeline-item:nth-child(even) {
    width: 100%;
    margin-left: 0;
    padding: 0 0 28px 34px;
  }

  .timeline-dot,
  .timeline-item:nth-child(even) .timeline-dot {
    left: 0;
    right: auto;
  }

  .page-hero {
    padding: 122px 0 58px;
  }
}

@media (max-width: 520px) {
  h1 {
    font-size: 38px;
  }

  h2 {
    font-size: 28px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .card {
    padding: 22px;
  }

  .grid-4,
  .cert-grid,
  .value-list,
  .footer-main {
    grid-template-columns: 1fr;
  }

  .hero-dots {
    bottom: 24px;
  }

  .visual-label {
    left: 24px;
    right: 24px;
    bottom: 24px;
  }

  .footer-bottom {
    display: grid;
  }
}