:root {
  --primary: #0f7a4b;
  --primary-dark: #06442d;
  --primary-soft: #e5f0e6;
  --accent: #8abf2d;
  --herb: #c99a4a;
  --text: #1d2f27;
  --muted: #66766e;
  --surface: #fffdf7;
  --paper: #f1f6ed;
  --line: #dce7d8;
  --shadow: 0 18px 42px rgba(20, 58, 38, 0.12);
  --heading-font: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  color: var(--text);
  background:
    linear-gradient(180deg, #eef6ea 0%, #f7f6ee 42%, #eef4eb 100%);
  line-height: 1.72;
}

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

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

.container {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 253, 247, 0.96);
  border-bottom: 1px solid rgba(12, 83, 52, 0.12);
  backdrop-filter: blur(16px);
}

.nav-bar {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) auto auto;
  align-items: center;
  column-gap: 1.55rem;
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
  width: fit-content;
}

.brand-logo {
  width: 54px;
  height: 54px;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand-text {
  display: grid;
  gap: 0.05rem;
  line-height: 1.2;
  max-width: 430px;
}

.brand-name {
  font-size: 1rem;
  font-weight: 800;
  white-space: nowrap;
}

.brand-en {
  color: var(--muted);
  font-size: 0.58rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.02em;
}

.nav-links {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 1.05rem;
  color: #40574c;
  font-size: 0.92rem;
  font-weight: 600;
  justify-self: end;
}

.nav-links a {
  position: relative;
  padding: 0.4rem 0;
  white-space: nowrap;
}

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

.nav-links a:hover {
  color: var(--primary);
}

.nav-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-phone {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 1rem;
  border: 1px solid rgba(15, 122, 75, 0.25);
  color: var(--primary-dark);
  font-size: 0.95rem;
  font-weight: 800;
  white-space: nowrap;
  justify-self: end;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 4.2rem 0 3.4rem;
  background:
    linear-gradient(90deg, rgba(247, 250, 243, 0.94) 0%, rgba(247, 250, 243, 0.86) 48%, rgba(238, 246, 236, 0.72) 100%),
    url("images/hero-bg.jpg?v=20260810-1015") center / cover;
}

.hero::before {
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: rgba(15, 122, 75, 0.18);
  content: "";
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.78fr);
  gap: 3rem;
  align-items: center;
}

.hero-copy {
  max-width: 650px;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

.hero h1 {
  margin-bottom: 1.15rem;
  max-width: 12em;
  font-family: var(--heading-font);
  font-size: clamp(1.9rem, 2.55vw, 2.7rem);
  font-weight: 600;
  line-height: 1.32;
  letter-spacing: 0;
}

.hero-text,
.section-text,
.section-heading p,
.service-card p,
.capability-item p,
.quality-card p,
.gap-copy p,
.culture-grid p,
.contact-box p,
.about-copy p {
  color: var(--muted);
}

.section-heading .eyebrow {
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.hero-text {
  max-width: 680px;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.7rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 1.25rem;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 16px 28px rgba(15, 122, 75, 0.24);
}

.btn-secondary {
  border: 1px solid rgba(15, 122, 75, 0.24);
  background: rgba(255, 255, 255, 0.78);
  color: var(--primary-dark);
}

.hero-visual {
  position: relative;
  min-height: auto;
  overflow: hidden;
  border: 1px solid rgba(15, 122, 75, 0.16);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.hero-panel {
  position: absolute;
  right: 1.4rem;
  bottom: 1.4rem;
  display: grid;
  min-width: 168px;
  padding: 1rem 1.15rem;
  background: rgba(6, 68, 45, 0.92);
  color: white;
}

.hero-panel span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
}

.hero-panel strong {
  font-size: 2.4rem;
  line-height: 1;
}

.stats-section {
  position: relative;
  z-index: 2;
  margin-top: -1.4rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 16px 34px rgba(20, 58, 38, 0.08);
}

.stats-grid article {
  padding: 1.35rem 1.4rem;
  border-right: 1px solid var(--line);
}

.stats-grid article:last-child {
  border-right: 0;
}

.stats-grid strong {
  display: block;
  color: var(--primary-dark);
  font-size: 1.55rem;
  line-height: 1.1;
}

.stats-grid span {
  color: var(--muted);
  font-size: 0.92rem;
}

.section {
  padding: 4.8rem 0;
}

.section-alt {
  background: #fbfaf2;
}

.section-heading {
  max-width: 570px;
}

.section-heading.wide {
  max-width: 760px;
  margin-bottom: 2rem;
}

.section-heading h2,
.split-section h2,
.quality-lead h2,
.gap-copy h2,
.culture-grid h2,
.contact-box h2 {
  margin-bottom: 1rem;
  font-family: var(--heading-font);
  font-size: clamp(1.55rem, 2vw, 2.25rem);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: 0;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.76fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: start;
}

.about-copy {
  display: grid;
  gap: 1rem;
  padding-left: 2rem;
  border-left: 3px solid var(--primary);
  font-size: 1.02rem;
}

.business-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.88fr) minmax(0, 1fr);
  gap: 1.2rem;
}

.business-feature {
  display: grid;
  align-content: end;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 14px 34px rgba(20, 58, 38, 0.08);
}

.business-feature img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.business-feature div {
  padding: 1.45rem;
}

.business-feature .eyebrow,
.business-feature p {
  color: var(--muted);
}

.business-feature h3 {
  margin-bottom: 0.75rem;
  font-family: var(--heading-font);
  font-size: 1.65rem;
  font-weight: 600;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.service-card,
.capability-item,
.quality-card {
  border: 1px solid var(--line);
  background: var(--surface);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.service-card:hover,
.capability-item:hover,
.quality-card:hover {
  border-color: rgba(15, 122, 75, 0.28);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.service-card {
  min-height: 250px;
  padding: 1.45rem;
}

.service-card span {
  display: block;
  margin-bottom: 2.1rem;
  color: var(--herb);
  font-size: 0.82rem;
  font-weight: 800;
}

.service-card h3,
.capability-item h3,
.quality-card h3 {
  margin-bottom: 0.65rem;
  font-family: var(--heading-font);
  color: var(--primary-dark);
  font-size: 1.2rem;
  font-weight: 600;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(340px, 1fr);
  gap: 3rem;
  align-items: center;
}

.capability-list {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.6rem;
}

.capability-item {
  padding: 1.2rem 1.3rem;
}

.image-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  align-items: stretch;
}

.image-stack img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.image-stack img:first-child {
  aspect-ratio: 4 / 3;
}

.production-gallery {
  align-self: stretch;
}

.production-gallery img {
  aspect-ratio: 1 / 1;
}

.quality-section {
  background: var(--primary-dark);
  color: white;
}

.quality-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
}

.quality-lead {
  position: sticky;
  top: 110px;
}

.quality-lead .eyebrow,
.quality-lead p {
  color: rgba(255, 255, 255, 0.75);
}

.quality-cards {
  display: grid;
  gap: 1rem;
}

.quality-card {
  padding: 1.45rem;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
}

.quality-card:hover {
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.16);
}

.quality-card span {
  display: inline-block;
  margin-bottom: 1rem;
  color: #d7b36b;
  font-size: 0.84rem;
  font-weight: 800;
}

.quality-card h3 {
  color: white;
}

.quality-card p {
  color: rgba(255, 255, 255, 0.72);
}

.gap-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: 2rem;
  align-items: center;
}

.gap-image {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.gap-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.gap-copy {
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--line);
}

.check-list {
  display: grid;
  gap: 0.75rem;
  padding: 0;
  margin: 1.4rem 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text);
  font-weight: 600;
}

.check-list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--accent);
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

.culture-section {
  background: linear-gradient(90deg, rgba(15, 122, 75, 0.08), rgba(201, 154, 74, 0.12));
}

.culture-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
}

.culture-grid p {
  margin-bottom: 0;
  font-size: 1.05rem;
}

.contact-cta {
  padding-bottom: 5rem;
  background: transparent;
}

.contact-box {
  display: flex;
  justify-content: space-between;
  gap: 2.5rem;
  align-items: center;
  padding: 2.45rem 2.7rem;
  background:
    linear-gradient(135deg, rgba(10, 103, 64, 0.96), rgba(18, 132, 82, 0.96)),
    var(--primary);
  color: white;
}

.contact-box .eyebrow,
.contact-box p {
  color: rgba(255, 255, 255, 0.76);
}

.contact-box h2 {
  max-width: 760px;
  font-size: clamp(1.45rem, 2vw, 2.2rem);
}

.contact-box p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

.contact-actions {
  display: grid;
  justify-items: end;
  flex: 0 0 auto;
}

.qr-grid {
  display: grid;
  grid-template-columns: repeat(2, 124px);
  gap: 0.85rem;
}

.qr-card {
  display: grid;
  justify-items: center;
  gap: 0.28rem;
  min-width: 124px;
  padding: 0.75rem 0.7rem 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.26);
  background: rgba(255, 253, 247, 0.1);
  text-align: center;
}

.qr-card img {
  width: 86px;
  height: 86px;
  aspect-ratio: 1;
  padding: 0.25rem;
  border: 1px solid rgba(255, 255, 255, 0.62);
  background: #fff;
  object-fit: contain;
  box-sizing: border-box;
}

.qr-card strong {
  margin-top: 0.1rem;
  font-size: 0.88rem;
  line-height: 1.2;
}

.qr-card small {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.72rem;
  line-height: 1.3;
}

.site-footer {
  padding: 1.4rem 0;
  background: #09251a;
  color: rgba(255, 255, 255, 0.76);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

.footer-content p {
  margin: 0;
}

@media (max-width: 1080px) {
  .nav-bar {
    grid-template-columns: minmax(280px, 1fr) auto auto;
    column-gap: 1rem;
  }

  .nav-links {
    gap: 0.72rem;
    font-size: 0.86rem;
  }

  .brand-name {
    font-size: 0.92rem;
  }

  .brand-text {
    max-width: 330px;
  }

  .nav-phone {
    padding: 0 0.75rem;
    font-size: 0.88rem;
  }
}

@media (max-width: 940px) {
  .nav-bar {
    display: flex;
    justify-content: space-between;
  }

  .nav-links {
    display: none;
  }

  .hero-grid,
  .about-grid,
  .business-layout,
  .split-section,
  .quality-layout,
  .gap-layout,
  .culture-grid {
    grid-template-columns: 1fr;
  }

  .quality-lead {
    position: static;
  }

  .hero-visual img {
    aspect-ratio: 16 / 10;
  }

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

  .stats-grid article:nth-child(2) {
    border-right: 0;
  }

  .stats-grid article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 1.2rem, 1180px);
  }

  .nav-bar {
    min-height: 68px;
  }

  .brand-logo {
    width: 42px;
    height: 42px;
  }

  .brand-name {
    max-width: 13em;
    white-space: normal;
    font-size: 0.86rem;
  }

  .brand-en,
  .nav-phone {
    display: none;
  }

  .hero {
    padding: 3.2rem 0 2.6rem;
  }

  .hero h1 {
    max-width: 10.5em;
    font-size: 1.72rem;
    line-height: 1.34;
  }

  .section {
    padding: 3.4rem 0;
  }

  .stats-grid,
  .service-grid,
  .image-stack {
    grid-template-columns: 1fr;
  }

  .stats-grid article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stats-grid article:last-child {
    border-bottom: 0;
  }

  .business-feature,
  .service-card {
    min-height: auto;
  }

  .image-stack img,
  .image-stack img:first-child,
  .production-gallery img,
  .gap-image img,
  .business-feature img,
  .hero-visual img {
    aspect-ratio: 4 / 3;
  }

  .about-copy,
  .gap-copy,
  .contact-box {
    padding: 1.35rem;
  }

  .contact-box {
    align-items: flex-start;
    flex-direction: column;
  }

  .contact-actions {
    justify-items: start;
    width: 100%;
  }

  .qr-grid {
    grid-template-columns: repeat(2, minmax(0, 124px));
    width: 100%;
  }

  .qr-card {
    min-width: 0;
  }
}