:root {
  color-scheme: light;
  --ink: #14201a;
  --muted: #64746b;
  --line: #dce6df;
  --paper: #f6f8f3;
  --white: #ffffff;
  --steel: #1f7b48;
  --steel-dark: #123b2c;
  --bronze: #f58220;
  --sage: #7dbb44;
  --shadow: 0 22px 70px rgba(20, 32, 26, 0.14);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
  overflow-x: hidden;
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

button,
input,
select {
  font: inherit;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 54px);
  border-bottom: 1px solid rgba(31, 123, 72, 0.16);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  backdrop-filter: blur(18px);
}

body.nav-open {
  overflow: hidden;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 178px;
}

.brand-mark {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(31, 123, 72, 0.12);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 10px 24px rgba(31, 123, 72, 0.1);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  padding: 4px;
  object-fit: contain;
}

.brand strong,
.brand small {
  display: block;
}

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

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(12px, 1.45vw, 24px);
  color: rgba(20, 32, 26, 0.74);
  font-size: 14px;
  font-weight: 650;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
}

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

.site-nav a:hover::after {
  transform: scaleX(1);
}

.header-cta,
.primary-link,
.ghost-link,
.text-link,
.contact-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: var(--radius);
  font-weight: 800;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.language-select {
  display: inline-flex;
  align-items: center;
}

.mobile-language-select {
  display: none;
}

.language-select select {
  min-height: 40px;
  border: 1px solid rgba(31, 123, 72, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink);
  padding: 0 34px 0 12px;
  font-weight: 760;
  outline: none;
}

.language-select select:focus {
  border-color: var(--steel);
  box-shadow: 0 0 0 3px rgba(31, 123, 72, 0.14);
}

.header-cta {
  min-width: 104px;
  border: 1px solid rgba(31, 123, 72, 0.18);
  background: var(--steel);
  color: #fff;
}

.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  color: #fff;
  background: #123b2c;
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(18, 43, 31, 0.86) 0%, rgba(18, 59, 44, 0.52) 47%, rgba(18, 59, 44, 0.1) 100%),
    linear-gradient(180deg, rgba(18, 59, 44, 0.08) 0%, rgba(18, 59, 44, 0.7) 100%),
    url("assets/hero.jpg");
  background-position: center;
  background-size: cover;
  transform: scale(1.02);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(840px, calc(100% - 36px));
  padding: clamp(132px, 18vh, 210px) 0 180px clamp(18px, 7vw, 96px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--bronze);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(44px, 7vw, 86px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.22;
}

.hero-content p:not(.eyebrow) {
  width: min(650px, 100%);
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.primary-link {
  min-width: 132px;
  padding: 0 24px;
  background: var(--bronze);
  color: #fff;
}

.ghost-link {
  min-width: 132px;
  padding: 0 24px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  color: #fff;
}

.hero-metrics {
  position: absolute;
  right: clamp(18px, 5vw, 76px);
  bottom: 38px;
  left: clamp(18px, 5vw, 76px);
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(18, 43, 31, 0.54);
  backdrop-filter: blur(18px);
}

.hero-metrics div {
  display: grid;
  gap: 5px;
  padding: 22px 26px;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-metrics div:last-child {
  border-right: 0;
}

.hero-metrics strong {
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1;
}

.hero-metrics span {
  color: rgba(255, 255, 255, 0.74);
  font-size: 14px;
}

.intro-section,
.product-section,
.life-section,
.news-section,
.contact-section {
  padding: clamp(72px, 9vw, 124px) clamp(18px, 5vw, 76px);
}

.intro-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(320px, 1.2fr);
  gap: clamp(32px, 6vw, 86px);
  align-items: start;
  background:
    linear-gradient(180deg, #ffffff 0%, #fbfdf8 100%);
}

.section-copy p:not(.eyebrow),
.showcase-copy p,
.strength-copy p,
.life-content p,
.service-section p,
.contact-copy p,
.news-grid p,
.product-card p {
  color: var(--muted);
  line-height: 1.75;
}

.intro-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--line);
}

.intro-panel div {
  min-height: 260px;
  padding: 28px;
  background: #fbfdf8;
}

.intro-panel span,
.product-card span {
  display: block;
  margin-bottom: 24px;
  color: var(--bronze);
  font-weight: 900;
}

.intro-panel strong {
  display: block;
  margin-bottom: 12px;
  font-size: 24px;
}

.showcase-section {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  min-height: 720px;
  background: var(--steel-dark);
  color: #fff;
}

.showcase-media {
  min-height: 520px;
}

.showcase-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(48px, 7vw, 92px);
}

.showcase-copy p {
  color: rgba(255, 255, 255, 0.76);
}

.feature-row {
  display: grid;
  gap: 10px;
  margin: 28px 0 34px;
}

.feature-row span {
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
}

.text-link {
  justify-content: flex-start;
  width: fit-content;
  color: var(--bronze);
}

.section-heading {
  max-width: 680px;
  margin-bottom: 36px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.product-card {
  overflow: hidden;
  border: 1px solid rgba(31, 123, 72, 0.16);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 16px 46px rgba(24, 33, 38, 0.08);
}

.product-card img {
  height: 280px;
}

.product-card div {
  min-height: 236px;
  padding: 24px;
}

.strength-section {
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(420px, 1.18fr);
  gap: clamp(34px, 6vw, 80px);
  align-items: center;
  padding: clamp(76px, 9vw, 132px) clamp(18px, 5vw, 76px);
  background:
    linear-gradient(135deg, rgba(18, 59, 44, 0.98), rgba(20, 32, 26, 0.92)),
    linear-gradient(90deg, rgba(245, 130, 32, 0.14), rgba(125, 187, 68, 0.1));
  color: #fff;
}

.strength-copy p {
  color: rgba(255, 255, 255, 0.74);
}

.video-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.22);
}

.video-panel video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 7.6;
  object-fit: cover;
}

.video-stats {
  position: absolute;
  right: 16px;
  bottom: 16px;
  left: 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.video-stats span {
  display: grid;
  min-height: 46px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  background: rgba(18, 59, 44, 0.72);
  color: rgba(255, 255, 255, 0.92);
  font-size: 13px;
  font-weight: 850;
  backdrop-filter: blur(12px);
}

.life-section {
  background: #eef6ee;
}

.life-content {
  max-width: 720px;
}

.life-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 20px;
}

.tab-button {
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid rgba(31, 123, 72, 0.2);
  border-radius: var(--radius);
  background: #fff;
  color: var(--steel-dark);
  cursor: pointer;
  font-weight: 800;
}

.tab-button.is-active {
  border-color: var(--steel);
  background: var(--steel);
  color: #fff;
}

.scene-card {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(310px, 0.58fr);
  overflow: hidden;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.scene-card img {
  min-height: 500px;
}

.scene-card div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(30px, 5vw, 60px);
}

.scene-card p {
  color: var(--muted);
  line-height: 1.75;
}

.service-section {
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(360px, 0.72fr);
  gap: clamp(28px, 5vw, 68px);
  align-items: center;
  padding: clamp(70px, 9vw, 118px) clamp(18px, 5vw, 76px);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(246, 248, 243, 0.92)),
    url("assets/panorama.jpg");
  background-position: center;
  background-size: cover;
  color: var(--ink);
}

.service-section p {
  color: var(--muted);
}

.service-steps {
  display: grid;
  gap: 12px;
  padding: 22px;
  border: 1px solid rgba(31, 123, 72, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.service-steps span {
  display: flex;
  align-items: center;
  min-height: 50px;
  padding: 0 16px;
  border: 1px solid rgba(31, 123, 72, 0.12);
  border-radius: var(--radius);
  background: #fbfdf8;
  color: var(--steel-dark);
  font-weight: 850;
}

.service-steps span::before {
  width: 8px;
  height: 8px;
  margin-right: 12px;
  border-radius: 999px;
  background: var(--bronze);
  content: "";
  flex: 0 0 auto;
}

.service-section .primary-link {
  width: fit-content;
}

.service-section + .news-section {
  border-top: 1px solid rgba(31, 123, 72, 0.1);
}

.service-section .eyebrow {
  color: var(--steel);
}

.service-section h2 {
  max-width: 720px;
}

.service-section .primary-link {
  color: #fff;
}

.service-section .section-link {
  color: #fff;
}

.news-section {
  background: var(--white);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.news-grid article {
  min-height: 230px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfdf8;
}

.news-grid time {
  display: block;
  margin-bottom: 18px;
  color: var(--bronze);
  font-weight: 900;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(360px, 0.72fr);
  gap: clamp(28px, 6vw, 80px);
  background:
    linear-gradient(180deg, #ffffff 0%, #f6f8f3 100%);
}

.contact-copy dl {
  display: grid;
  gap: 16px;
  margin: 34px 0 0;
}

.contact-copy dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.contact-copy dd {
  margin: 6px 0 0;
  font-size: 20px;
  font-weight: 850;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 26px;
  border: 1px solid rgba(31, 123, 72, 0.16);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 16px 46px rgba(24, 33, 38, 0.08);
}

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

.contact-form span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
}

.contact-form input,
.contact-form select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  padding: 0 12px;
  outline: none;
}

.contact-methods {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.field-help {
  margin: -8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.other-need-field[hidden],
.form-error:empty,
.form-success:empty {
  display: none;
}

.website-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-error {
  margin: -2px 0 0;
  padding: 10px 12px;
  border: 1px solid rgba(180, 35, 24, 0.18);
  border-radius: var(--radius);
  background: #fff3f0;
  color: #b42318;
  font-size: 13px;
  font-weight: 760;
  line-height: 1.45;
}

.form-success {
  margin: -2px 0 0;
  padding: 10px 12px;
  border: 1px solid rgba(31, 123, 72, 0.18);
  border-radius: var(--radius);
  background: #effaf2;
  color: var(--steel-dark);
  font-size: 13px;
  font-weight: 760;
  line-height: 1.45;
}

.contact-form input:focus,
.contact-form select:focus {
  border-color: var(--steel);
  box-shadow: 0 0 0 3px rgba(31, 123, 72, 0.16);
}

.contact-form button {
  border: 0;
  background: linear-gradient(90deg, var(--steel), #2e9656);
  color: #fff;
  cursor: pointer;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 5vw, 76px);
  background: #111c17;
  color: rgba(255, 255, 255, 0.72);
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer strong {
  color: #fff;
  font-size: 18px;
}

.site-footer span {
  margin-top: 6px;
  font-size: 13px;
}

.site-footer a {
  align-self: center;
  color: #fff;
  font-weight: 800;
}

@media (max-width: 1120px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
    gap: 12px;
  }

  .header-actions {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .menu-toggle {
    display: grid;
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
    width: 44px;
    height: 44px;
    place-content: center;
    gap: 5px;
    border: 1px solid rgba(31, 123, 72, 0.22);
    border-radius: var(--radius);
    background: rgba(31, 123, 72, 0.08);
    cursor: pointer;
  }

  .menu-toggle span {
    transition:
      transform 180ms ease,
      opacity 180ms ease;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--steel-dark);
  }

  .site-nav,
  .header-cta {
    display: none;
  }

  .site-nav.is-open {
    position: absolute;
    top: calc(100% + 8px);
    right: 18px;
    left: 18px;
    display: grid;
    gap: 0;
    max-height: calc(100vh - 96px);
    overflow: auto;
    padding: 8px;
    border: 1px solid rgba(31, 123, 72, 0.16);
    border-radius: var(--radius);
    background: #fff;
    color: var(--ink);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open a {
    min-height: 46px;
    padding: 13px 12px;
    border-radius: 6px;
  }

  .site-nav.is-open .mobile-language-select {
    display: grid;
    padding: 8px 8px 12px;
  }

  .site-nav.is-open .mobile-language-select select {
    width: 100%;
    min-height: 44px;
  }

  .site-nav.is-open a:hover {
    background: rgba(31, 123, 72, 0.08);
  }

  .site-nav.is-open a::after {
    display: none;
  }

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

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

@media (max-width: 860px) {
  html {
    scroll-padding-top: 66px;
  }

  .site-header {
    min-height: 66px;
    padding: 9px 14px;
  }

  .hero-content {
    width: 100%;
    padding: 112px 18px 232px;
  }

  .hero-media {
    background:
      linear-gradient(180deg, rgba(18, 43, 31, 0.78) 0%, rgba(18, 59, 44, 0.42) 44%, rgba(18, 59, 44, 0.86) 100%),
      url("assets/hero.jpg");
    background-position: center;
    background-size: cover;
  }

  h1 {
    max-width: 12ch;
    font-size: clamp(40px, 10.5vw, 58px);
    line-height: 1.04;
  }

  h2 {
    font-size: clamp(28px, 8vw, 42px);
    line-height: 1.12;
  }

  .hero-content p:not(.eyebrow) {
    font-size: 16px;
    line-height: 1.65;
  }

  .hero-actions {
    gap: 10px;
  }

  .primary-link,
  .ghost-link,
  .contact-form button {
    min-height: 48px;
  }

  .hero-metrics,
  .intro-section,
  .showcase-section,
  .strength-section,
  .scene-card,
  .service-section,
  .news-grid,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero-metrics {
    right: 18px;
    bottom: 18px;
    left: 18px;
  }

  .hero-metrics div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
    padding: 16px 18px;
  }

  .hero-metrics div:last-child {
    border-bottom: 0;
  }

  .showcase-section {
    min-height: 0;
  }

  .showcase-media,
  .scene-card img {
    min-height: 320px;
  }

  .showcase-copy,
  .scene-card div {
    padding: 32px 20px;
  }

  .intro-section,
  .product-section,
  .life-section,
  .news-section,
  .contact-section,
  .strength-section,
  .service-section {
    padding: 58px 18px;
  }

  .intro-panel div {
    min-height: 0;
    padding: 24px 20px;
  }

  .product-card img {
    height: 260px;
  }

  .product-card div {
    min-height: 0;
  }

  .video-panel video {
    aspect-ratio: 16 / 10;
  }

  .service-section .primary-link {
    width: fit-content;
  }

  .site-footer {
    display: grid;
  }
}

@media (max-width: 620px) {
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 62px;
    padding: 8px 14px;
  }

  .brand {
    grid-column: 1;
    grid-row: 1;
    min-width: 0;
  }

  .brand small {
    display: none;
  }

  .brand-mark {
    width: 44px;
    height: 44px;
  }

  .brand strong {
    font-size: 16px;
  }

  .menu-toggle {
    grid-column: 2;
    grid-row: 1;
    width: 42px;
    height: 42px;
  }

  .header-actions {
    display: none;
  }

  .hero {
    min-height: 730px;
  }

  .hero-content {
    padding: 92px 16px 236px;
  }

  h1 {
    max-width: 12ch;
    margin-bottom: 18px;
    font-size: 38px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .site-nav.is-open {
    right: 12px;
    left: 12px;
  }

  .hero-metrics {
    right: 14px;
    left: 14px;
  }

  .hero-metrics div {
    grid-template-columns: 82px 1fr;
    align-items: center;
    padding: 13px 14px;
  }

  .hero-metrics strong {
    font-size: 28px;
  }

  .hero-metrics span {
    font-size: 13px;
  }

  .eyebrow {
    margin-bottom: 10px;
    font-size: 12px;
  }

  h2 {
    margin-bottom: 14px;
  }

  h3 {
    font-size: 20px;
  }

  .section-heading {
    margin-bottom: 24px;
  }

  .feature-row span,
  .service-steps span {
    min-height: 46px;
  }

  .product-grid,
  .video-stats {
    grid-template-columns: 1fr;
  }

  .product-card {
    box-shadow: 0 12px 28px rgba(24, 33, 38, 0.08);
  }

  .product-card img {
    height: 220px;
  }

  .product-card div,
  .news-grid article,
  .contact-form,
  .service-steps {
    padding: 20px;
  }

  .life-tabs {
    display: grid;
    grid-template-columns: 1fr;
  }

  .tab-button {
    justify-content: center;
    min-height: 46px;
  }

  .showcase-media,
  .scene-card img {
    min-height: 260px;
  }

  .contact-copy dd {
    font-size: 18px;
    overflow-wrap: anywhere;
  }

  .contact-form input,
  .contact-form select {
    min-height: 50px;
    font-size: 16px;
  }

  .contact-methods {
    grid-template-columns: 1fr;
  }

  .video-stats {
    position: static;
    padding: 12px;
    background: rgba(18, 59, 44, 0.88);
  }

  .site-footer {
    padding: 24px 18px;
  }
}

@media (max-width: 390px) {
  .brand strong {
    max-width: 128px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  h1 {
    font-size: 34px;
  }

  .hero-content {
    padding-top: 88px;
  }
}