:root {
  --ink:#17210f;
  --muted:#64705c;
  --line:#dfe6d8;
  --panel:#f6f8f3;
  --brand:#89cf00;
  --brand-dark:#4c7f00;
  --dark:#15220f;
  --white:#fff;
  --shadow:0 18px 50px rgba(30,50,18,.10);
  font-family:"Microsoft YaHei","PingFang SC",system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:#fff
}

* {
  box-sizing:border-box
}

html {
  scroll-behavior:smooth
}

body {
  margin:0;
  line-height:1.7
}

img {
  max-width:100%;
  height:auto
}

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

button,input {
  font:inherit
}

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

.skip-link {
  position:absolute;
  left:-9999px
}

.skip-link:focus {
  left:16px;
  top:12px;
  background:#fff;
  padding:10px 14px;
  z-index:999
}

.topbar {
  background:var(--dark);
  color:#dfead7;
  font-size:14px
}

.topbar-inner {
  display:flex;
  justify-content:space-between;
  padding:7px 0
}

.topbar a {
  color:#fff
}

.site-header {
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(223,230,216,.8)
}

.header-inner {
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:76px
}

.brand {
  display:flex;
  align-items:center;
  gap:12px
}

.brand-mark {
  width:46px;
  height:46px;
  border-radius:13px;
  display:grid;
  place-items:center;
  background:var(--brand);
  color:#132000;
  font-weight:900;
  letter-spacing:-1px
}

.brand strong {
  display:block;
  font-size:20px
}

.brand small {
  display:block;
  color:var(--muted);
  font-size:12px
}

.main-nav {
  display:flex;
  gap:8px;
  align-items:center
}

.main-nav a {
  padding:10px 14px;
  border-radius:10px;
  font-weight:700;
  color:#3c4935
}

.main-nav a:hover,.main-nav a.active {
  background:#eef7dc;
  color:#416d00
}

.nav-toggle {
  display:none;
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  padding:8px 12px
}

.hero {
  overflow:hidden;
  background:linear-gradient(135deg,#f4f9e9 0%,#fff 52%,#eef8dd 100%)
}

.hero-grid {
  min-height:570px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  align-items:center;
  gap:48px;
  padding:68px 0
}

.eyebrow {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 11px;
  border-radius:999px;
  background:#e9f7ce;
  color:#3d6900;
  font-weight:800;
  font-size:14px
}

.hero h1 {
  font-size:clamp(38px,5vw,66px);
  line-height:1.08;
  margin:20px 0 18px;
  letter-spacing:-2px
}

.hero p {
  font-size:18px;
  color:var(--muted);
  max-width:660px
}

.actions {
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px
}

.btn {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:10px 20px;
  border-radius:12px;
  background:var(--brand);
  font-weight:900;
  color:#15220f;
  border:1px solid transparent
}

.btn:hover {
  transform:translateY(-1px);
  box-shadow:0 8px 20px rgba(78,126,0,.18)
}

.btn.secondary {
  background:#fff;
  border-color:var(--line)
}

.hero-visual {
  position:relative
}

.hero-visual:before {
  content:"";
  position:absolute;
  inset:12% 4% 5% 10%;
  border-radius:50%;
  background:radial-gradient(circle,#d7f09f 0%,rgba(215,240,159,0) 70%)
}

.hero-visual img {
  position:relative;
  display:block;
  filter:drop-shadow(0 24px 24px rgba(20,35,10,.18));
  mix-blend-mode:multiply
}

.trust-strip {
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:#fff
}

.trust-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr)
}

.trust-item {
  padding:22px;
  border-right:1px solid var(--line)
}

.trust-item:last-child {
  border:0
}

.trust-item strong {
  display:block;
  font-size:18px
}

.trust-item span {
  color:var(--muted);
  font-size:14px
}

.section {
  padding:78px 0
}

.section.alt {
  background:var(--panel)
}

.section-head {
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px
}

.section-head h2,.page-hero h1 {
  font-size:clamp(30px,4vw,46px);
  line-height:1.15;
  margin:0
}

.section-head p {
  max-width:650px;
  margin:8px 0 0;
  color:var(--muted)
}

.text-link {
  color:var(--brand-dark);
  font-weight:900
}

.card-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px
}

.product-card {
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  transition:.2s;
  box-shadow:0 2px 0 rgba(0,0,0,.01)
}

.product-card:hover {
  transform:translateY(-4px);
  box-shadow:var(--shadow)
}

.product-card .image {
  aspect-ratio:4/3;
  display:grid;
  place-items:center;
  padding:18px;
  background:#fff
}

.product-card .image img {
  width:100%;
  height:100%;
  object-fit:contain
}

.product-card .body {
  padding:18px
}

.tag {
  display:inline-block;
  font-size:12px;
  font-weight:800;
  color:#426c00;
  background:#ecf7d7;
  border-radius:999px;
  padding:3px 9px
}

.product-card h3 {
  font-size:18px;
  line-height:1.4;
  margin:10px 0 6px
}

.product-card p {
  font-size:14px;
  color:var(--muted);
  margin:0
}

.category-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px
}

.category-card {
  padding:26px;
  border-radius:18px;
  background:var(--dark);
  color:#fff;
  min-height:160px;
  display:flex;
  flex-direction:column;
  justify-content:space-between
}

.category-card span {
  color:#cdd9c5
}

.feature-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
  align-items:center
}

.feature-panel {
  border-radius:24px;
  background:#fff;
  border:1px solid var(--line);
  padding:34px;
  box-shadow:var(--shadow)
}

.feature-list {
  display:grid;
  gap:14px;
  margin-top:24px
}

.feature-list div {
  padding:14px 16px;
  border-radius:12px;
  background:var(--panel);
  border:1px solid var(--line)
}

.cta {
  padding:58px 0;
  background:var(--dark);
  color:#fff
}

.cta-grid {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px
}

.cta h2 {
  font-size:32px;
  margin:0 0 8px
}

.cta p {
  margin:0;
  color:#cad7c2
}

.page-hero {
  padding:62px 0;
  background:linear-gradient(135deg,#f1f8e5,#fff)
}

.page-hero-copy {
  max-width:760px;
  margin:16px 0 0;
  color:var(--muted);
  font-size:17px
}

.catalog-highlights {
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px
}

.catalog-highlights span {
  display:inline-flex;
  align-items:center;
  min-height:36px;
  padding:7px 13px;
  border:1px solid rgba(76,127,0,.2);
  border-radius:999px;
  background:rgba(255,255,255,.82);
  color:#3d6900;
  font-size:14px;
  font-weight:800
}

.breadcrumbs {
  font-size:14px;
  color:var(--muted);
  margin-bottom:14px
}

.filters {
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin:26px 0
}

.filter-btn {
  border:1px solid var(--line);
  background:#fff;
  border-radius:999px;
  padding:8px 14px;
  cursor:pointer
}

.filter-btn.active {
  background:var(--dark);
  color:#fff;
  border-color:var(--dark)
}

.search-box {
  margin-left:auto;
  min-width:240px;
  border:1px solid var(--line);
  border-radius:999px;
  padding:9px 14px
}

.product-layout {
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(330px,.9fr);
  gap:42px;
  align-items:start
}

.product-photo {
  background:#fff;
  border:1px solid var(--line);
  border-radius:22px;
  padding:24px;
  display:grid;
  place-items:center;
  min-height:420px
}

.product-photo img {
  max-height:520px;
  object-fit:contain
}

.product-summary h1 {
  font-size:clamp(30px,4vw,48px);
  line-height:1.15;
  margin:12px 0
}

.product-summary .lead {
  font-size:18px;
  color:var(--muted)
}

.notice {
  background:#fff8dc;
  border:1px solid #f0dfa4;
  border-radius:12px;
  padding:12px 15px;
  color:#68571b;
  font-size:14px
}

.content-grid {
  display:grid;
  grid-template-columns:1.35fr .65fr;
  gap:28px
}

.content-card {
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:26px
}

.content-card h2 {
  margin-top:0
}

.spec-table {
  width:100%;
  border-collapse:collapse
}

.spec-table th,.spec-table td {
  padding:12px 10px;
  border-bottom:1px solid var(--line);
  text-align:left;
  vertical-align:top
}

.spec-table th {
  width:52%;
  font-weight:700;
  color:#42503b
}

.contact-card {
  background:var(--dark);
  color:#fff;
  border-radius:18px;
  padding:26px
}

.contact-card a {
  color:#c9ff65;
  font-weight:900
}

.about-grid {
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:28px
}

.values {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px
}

.value {
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  padding:18px
}

.contact-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px
}

.contact-list {
  display:grid;
  gap:12px
}

.contact-row {
  display:grid;
  grid-template-columns:90px 1fr;
  padding:12px 0;
  border-bottom:1px solid var(--line)
}

.site-footer {
  background:#10190c;
  color:#d6e0d0;
  padding:54px 0 26px
}

.footer-grid {
  display:grid;
  grid-template-columns:1.5fr .8fr 1fr;
  gap:40px
}

.site-footer strong {
  color:#fff
}

.site-footer a {
  color:#c8fa6f
}

.copyright {
  border-top:1px solid #2d3827;
  margin-top:34px;
  padding-top:18px;
  font-size:13px;
  color:#9cab94
}

.floating-call {
  position:fixed;
  right:20px;
  bottom:20px;
  background:var(--brand);
  color:#142000;
  font-weight:900;
  padding:12px 18px;
  border-radius:999px;
  box-shadow:0 12px 30px rgba(30,55,10,.24);
  z-index:80
}

.empty {
  display:none!important
}

@media(max-width:950px) {
  .main-nav {
    display:none;
    position:absolute;
    left:20px;
    right:20px;
    top:70px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:14px;
    padding:10px;
    box-shadow:var(--shadow);
    flex-direction:column;
    align-items:stretch
  }

  .main-nav.open {
    display:flex
  }

  .nav-toggle {
    display:block
  }

  .hero-grid,.feature-grid,.product-layout,.content-grid,.about-grid,.contact-grid {
    grid-template-columns:1fr
  }

  .hero-grid {
    padding:44px 0
  }

  .hero-visual {
    order:-1;
    max-width:650px;
    margin:auto
  }

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

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

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

  .trust-item:nth-child(2) {
    border-right:0
  }

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

  .search-box {
    margin-left:0
  }

}

@media(max-width:600px) {
  .container {
    width:min(100% - 28px,1180px)
  }

  .topbar-inner {
    font-size:12px
  }

  .brand small {
    display:none
  }

  .hero h1 {
    letter-spacing:-1px
  }

  .section {
    padding:55px 0
  }

  .section-head {
    align-items:start;
    flex-direction:column
  }

  .card-grid,.category-grid,.values,.footer-grid {
    grid-template-columns:1fr
  }

  .trust-grid {
    grid-template-columns:1fr
  }

  .trust-item {
    border-right:0;
    border-bottom:1px solid var(--line)
  }

  .cta-grid {
    align-items:flex-start;
    flex-direction:column
  }

  .floating-call {
    right:14px;
    bottom:14px
  }

  .contact-row {
    grid-template-columns:72px 1fr
  }

  .catalog-highlights {
    display:grid
  }

  .catalog-highlights span {
    justify-content:center;
    text-align:center
  }

}

/* LB-31C主推产品样式 */
.featured-hero  {
  background: linear-gradient(135deg, #eff8df 0%, #ffffff 55%, #e5f4c8 100%);
}

.hero-product-image  {
  min-height: 500px;
  display: grid;
  place-items: center;
  padding: 20px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(137, 207, 0, 0.28);
  box-shadow: var(--shadow);
}

.hero-product-image::before  {
  display: none;
}

.hero-product-image img  {
  width: 100%;
  max-height: 530px;
  object-fit: contain;
  mix-blend-mode: normal;
  filter: none;
}

.hero-badge, .featured-badge, .detail-featured-badge  {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand);
  color: #15220f;
  font-weight: 900;
  letter-spacing: 0.02em;
  box-shadow: 0 8px 20px rgba(78, 126, 0, 0.18);
}

.hero-badge  {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
  padding: 8px 14px;
  border-radius: 999px;
}

.hero-specs  {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.hero-specs span  {
  min-width: 130px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--muted);
  font-size: 13px;
}

.hero-specs strong  {
  display: block;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.2;
}

.featured-card  {
  border-color: rgba(137, 207, 0, 0.72);
  box-shadow: 0 16px 40px rgba(78, 126, 0, 0.14);
}

.product-card .image  {
  position: relative;
}

.featured-badge  {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
}

.featured-product-photo  {
  position: relative;
  border-color: rgba(137, 207, 0, 0.65);
}

.detail-featured-badge  {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
  padding: 7px 12px;
  border-radius: 999px;
}

.spec-section th  {
  background: #edf6dd;
  color: #355d00;
  font-size: 15px;
}

.feature-points  {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 28px;
  margin: 0;
  padding-left: 20px;
}

.compact-section  {
  padding-top: 0;
}

@media (max-width: 760px)  {
  .hero-product-image  {
    min-height: 340px;
  }

  .hero-specs span  {
    flex: 1 1 120px;
  }

  .feature-points  {
    grid-template-columns: 1fr;
  }

}

/* 正式公司名称在小屏设备上的显示 */
@media (max-width: 600px) {
  .header-inner {
    gap: 8px;
  }

  .brand {
    gap: 8px;
    min-width: 0;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 11px;
    flex: 0 0 auto;
  }

  .brand strong {
    max-width: 190px;
    font-size: 15px;
    line-height: 1.2;
  }

  .nav-toggle {
    flex: 0 0 auto;
  }
}

@media (max-width: 380px) {
  .brand strong {
    max-width: 155px;
    font-size: 14px;
  }
}