:root {
  --green: #2e7d32;
  --green-deep: #16481d;
  --green-soft: #edf6ee;
  --gold: #f57c00;
  --earth: #6b5a3c;
  --text: #20262b;
  --muted: #67737d;
  --line: rgba(27, 55, 32, 0.1);
  --white: #ffffff;
  --shadow: 0 18px 48px rgba(18, 39, 21, 0.14);
  --radius: 22px;
  --container: min(1200px, calc(100% - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Han Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(245, 124, 0, 0.09), transparent 26%),
    linear-gradient(180deg, #f9fbf8 0%, #ffffff 18%, #f8faf7 100%);
  line-height: 1.65;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
}

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

.page-main {
  min-height: 60vh;
}

.section {
  padding: 88px 0;
}

.section-sm {
  padding: 70px 0;
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 34px;
}

.section-title .title-text {
  max-width: 700px;
}

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

.eyebrow::before {
  content: "";
  width: 36px;
  height: 1px;
  background: currentColor;
}

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

h1,
h2,
h3 {
  line-height: 1.2;
}

.section-title h2,
.page-hero h1,
.detail-content h1,
.article-head h1 {
  font-family: "Noto Serif SC", "STSong", serif;
  font-weight: 700;
}

.section-title h2 {
  font-size: clamp(30px, 4vw, 42px);
  margin-top: 12px;
}

.section-title p {
  color: var(--muted);
  margin-top: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 164px;
  padding: 14px 24px;
  border-radius: 999px;
  transition: transform 0.25s ease, background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--green) 0%, #499c43 100%);
  color: var(--white);
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.46);
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
}

.btn-outline {
  border: 1px solid rgba(46, 125, 50, 0.24);
  color: var(--green);
  background: var(--white);
}

.text-link {
  color: var(--green);
  font-weight: 600;
}

.topbar {
  background: rgba(16, 48, 21, 0.94);
  color: rgba(255, 255, 255, 0.84);
  font-size: 13px;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 44px;
}

.topbar-contact {
  display: flex;
  gap: 20px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
}

.nav-shell {
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  transition: box-shadow 0.3s ease, background-color 0.3s ease;
}

.site-header.is-scrolled .nav-shell {
  box-shadow: 0 10px 32px rgba(14, 38, 19, 0.12);
  background: rgba(255, 255, 255, 0.985);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 120px;
  gap: 20px;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.search-box {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 25px;
  padding: 8px 16px;
  border: 1px solid rgba(46, 125, 50, 0.2);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.search-box:focus-within {
  background: rgba(255, 255, 255, 1);
  border-color: var(--gold);
  box-shadow: 0 4px 16px rgba(46, 125, 50, 0.2);
}

.search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--green-deep);
  font-size: 14px;
  padding: 4px 8px;
  flex: 1;
  min-width: 200px;
}

.search-box input::placeholder {
  color: var(--muted);
}

.search-box button {
  background: var(--gold);
  color: var(--green-deep);
  border: none;
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.search-box button:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
}

/* 搜索结果页面样式 */
.search-summary {
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.search-summary p {
  color: var(--muted);
  font-size: 16px;
}

.search-results-list {
  display: grid;
  gap: 24px;
}

.search-result {
  display: flex;
  gap: 24px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: white;
  transition: box-shadow 0.3s ease;
}

.search-result:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.search-result-content {
  flex: 1;
}

.search-result h3 {
  margin: 0 0 8px 0;
  font-size: 20px;
}

.search-result h3 a {
  color: var(--green-deep);
  text-decoration: none;
}

.search-result h3 a:hover {
  color: var(--gold);
}

.search-result-type {
  color: var(--gold);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.search-result-description {
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 16px;
}

.search-result-image {
  flex-shrink: 0;
  width: 120px;
  height: 120px;
  border-radius: 8px;
  overflow: hidden;
}

.search-result-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.no-results, .no-query {
  text-align: center;
  padding: 48px 24px;
}

.no-results h3, .no-query h3 {
  color: var(--green-deep);
  margin-bottom: 16px;
}

.no-results ul {
  text-align: left;
  display: inline-block;
  margin-top: 16px;
}

.no-results li {
  margin-bottom: 8px;
  color: var(--muted);
}

.loading {
  text-align: center;
  padding: 48px;
  color: var(--muted);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-logo {
  height: 120px;
  width: auto;
  max-width: 500px;
  object-fit: contain;
}

.brand-logo-footer {
  height: 100px;
  width: auto;
  max-width: 300px;
  object-fit: contain;
}

.brand-mark {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: var(--white);
  background: linear-gradient(135deg, var(--green) 0%, var(--gold) 100%);
  box-shadow: 0 12px 28px rgba(46, 125, 50, 0.24);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-text strong {
  font-size: 20px;
  color: var(--green-deep);
}

.brand-text em {
  font-style: normal;
  font-size: 12px;
  color: var(--muted);
}

.site-nav ul,
.footer-links,
.footer-contact,
.contact-list,
.qualification-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 34px;
}

.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 88px;
  font-weight: 600;
  color: #283136;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 25px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

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

.site-nav a.active {
  color: var(--green);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  background: var(--white);
  border: 1px solid rgba(46, 125, 50, 0.16);
  border-radius: 14px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--green-deep);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hero-slider {
  position: relative;
  min-height: calc(100vh - 132px);
  overflow: hidden;
}

.hero-slide,
.page-hero {
  position: relative;
  isolation: isolate;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  z-index: 0;
  pointer-events: none;
  transform: scale(1.03);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.hero-slide.active {
  opacity: 1;
  z-index: 1;
  pointer-events: auto;
  transform: scale(1);
}

.hero-slide::before,
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(16, 47, 20, 0.88) 0%, rgba(16, 47, 20, 0.54) 42%, rgba(16, 47, 20, 0.16) 100%),
    radial-gradient(circle at 78% 24%, rgba(245, 124, 0, 0.34), transparent 24%);
  z-index: -1;
}

.hero-slide::after,
.page-hero::after {
  content: "";
  position: absolute;
  inset: auto -6% -18% 42%;
  height: 64%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0));
  transform: skewX(-18deg);
  z-index: -1;
}

.slide-feed {
  background:
    linear-gradient(135deg, rgba(39, 95, 43, 0.35), rgba(245, 124, 0, 0.12)),
    linear-gradient(120deg, #2b612d 0%, #436d2b 34%, #94723d 100%);
}

.slide-service {
  background:
    linear-gradient(135deg, rgba(14, 62, 78, 0.34), rgba(245, 124, 0, 0.14)),
    linear-gradient(120deg, #214a2f 0%, #315d3d 35%, #796247 100%);
}

.slide-brand {
  background:
    linear-gradient(135deg, rgba(24, 76, 33, 0.3), rgba(245, 124, 0, 0.18)),
    linear-gradient(120deg, #204723 0%, #365e37 40%, #816840 100%);
}

.hero-content,
.page-hero-inner {
  min-height: calc(100vh - 132px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--white);
  padding: 110px 0 140px;
}

.hero-content {
  max-width: 780px;
}

.hero-content h1,
.page-hero h1 {
  font-size: clamp(42px, 6vw, 72px);
  margin: 18px 0 10px;
}

.hero-content h2 {
  font-size: clamp(20px, 3.2vw, 32px);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.86);
}

.hero-content p,
.page-hero p {
  margin-top: 22px;
  max-width: 680px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.hero-dots {
  position: absolute;
  left: 50%;
  bottom: 42px;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 2;
}

.hero-dot {
  width: 48px;
  height: 4px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
}

.hero-dot.active {
  background: linear-gradient(90deg, #ffffff, #ffd08a);
}

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

.section-emphasis {
  background:
    linear-gradient(180deg, rgba(46, 125, 50, 0.04), rgba(46, 125, 50, 0.02)),
    var(--white);
}

.grid-4,
.grid-3,
.grid-2,
.news-list,
.footer-grid,
.contact-grid {
  display: grid;
  gap: 24px;
}

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

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

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

.business-card,
.product-card,
.advantage-card,
.stat-card,
.info-card,
.team-card,
.service-card,
.case-card,
.news-card,
.contact-card,
.map-card,
.form-card {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.business-card,
.advantage-card,
.service-card,
.case-card,
.info-card,
.team-card,
.contact-card {
  padding: 28px;
}

.business-card,
.product-card,
.news-card,
.service-card,
.case-card,
.team-card,
.related-card {
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.business-card:hover,
.product-card:hover,
.news-card:hover,
.service-card:hover,
.case-card:hover,
.team-card:hover,
.related-card:hover {
  transform: translateY(-8px);
  border-color: rgba(46, 125, 50, 0.22);
  box-shadow: 0 20px 56px rgba(18, 39, 21, 0.16);
}

.icon {
  width: 62px;
  height: 62px;
  border-radius: 18px;
  margin-bottom: 20px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.58), transparent 28%),
    linear-gradient(135deg, rgba(46, 125, 50, 0.2), rgba(245, 124, 0, 0.3));
  position: relative;
}

.icon::after {
  content: "";
  position: absolute;
  inset: 16px;
  border-radius: 12px;
  border: 2px solid rgba(46, 125, 50, 0.58);
}

.business-card h3,
.product-card h3,
.advantage-card h3,
.info-card h3,
.team-card h3,
.service-card h3,
.case-card h3,
.news-card h3,
.contact-card h3,
.detail-section h2 {
  font-size: 24px;
  margin-bottom: 12px;
}

.business-card p,
.product-card p,
.advantage-card p,
.info-card p,
.team-card p,
.service-card p,
.case-card p,
.news-card p,
.contact-card p,
.page-copy p {
  color: var(--muted);
}

.product-card {
  overflow: hidden;
}

.product-media,
.news-media {
  min-height: 250px;
  position: relative;
  overflow: hidden;
}

.product-card-page .product-media {
  min-height: 230px;
}

.product-media::before,
.news-media::before,
.detail-media::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.24), transparent 46%),
    radial-gradient(circle at 76% 24%, rgba(255, 255, 255, 0.32), transparent 24%);
}

.product-media::after,
.news-media::after,
.detail-media::after {
  content: "";
  position: absolute;
  inset: auto 20px 20px auto;
  width: 90px;
  height: 90px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 50%;
}

.feed-red {
  background: linear-gradient(135deg, #315f2f 0%, #7aa342 48%, #cc8631 100%);
}

.feed-gold {
  background: linear-gradient(135deg, #496630 0%, #9d8a31 52%, #d6a545 100%);
}

.feed-blue {
  background: linear-gradient(135deg, #1f5e56 0%, #2f7c7c 45%, #87a96b 100%);
}

.premix-green {
  background: linear-gradient(135deg, #286435 0%, #4f9951 52%, #d9b26b 100%);
}

.premix-orange {
  background: linear-gradient(135deg, #446934 0%, #889e3b 45%, #db7c2b 100%);
}

.equipment-gray {
  background: linear-gradient(135deg, #42544e 0%, #708379 48%, #ab945e 100%);
}

.equipment-green {
  background: linear-gradient(135deg, #23472c 0%, #547e54 50%, #c3974a 100%);
}

.grain-brown {
  background: linear-gradient(135deg, #5a4930 0%, #8c6d42 50%, #d1a152 100%);
}

.news-green {
  background: linear-gradient(135deg, #284d2c 0%, #417b46 52%, #ccb16c 100%);
}

.news-gold {
  background: linear-gradient(135deg, #5f4d2c 0%, #9a7834 48%, #deaf66 100%);
}

.news-earth {
  background: linear-gradient(135deg, #4c4634 0%, #726a42 46%, #b48f58 100%);
}

.news-sage {
  background: linear-gradient(135deg, #395239 0%, #70855f 52%, #c0aa79 100%);
}

.product-card-body,
.news-card-body {
  padding: 24px;
}

.product-category,
.news-type,
.news-card-meta span,
.case-card span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(46, 125, 50, 0.1);
  color: var(--green);
  font-size: 13px;
  font-weight: 600;
}

.product-meta,
.news-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 18px;
  flex-wrap: wrap;
}

.product-meta a {
  color: var(--green);
  font-weight: 700;
}

.advantage-card span,
.stat-card strong {
  display: block;
  color: var(--gold);
  font-size: 42px;
  line-height: 1;
  font-family: "Noto Serif SC", "STSong", serif;
}

.advantage-card p {
  margin-top: 12px;
}

.stat-card {
  padding: 26px;
  text-align: center;
}

.stat-card span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
}

.news-item {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.news-item:first-child {
  padding-top: 0;
}

.news-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.news-date {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 76px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(46, 125, 50, 0.12), rgba(245, 124, 0, 0.12));
  font-weight: 700;
  color: var(--green-deep);
}

.news-item-body h3 {
  margin: 12px 0 10px;
  font-size: 24px;
}

.story-layout,
.company-brief {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 28px;
  align-items: start;
}

.story-copy,
.company-brief-copy {
  padding: 32px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.story-tag {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(245, 124, 0, 0.12);
  color: #b05f08;
  font-size: 13px;
  font-weight: 700;
}

.story-copy h3,
.company-brief-copy h3 {
  margin-top: 18px;
  font-size: 30px;
  line-height: 1.25;
  font-family: "Noto Serif SC", "STSong", serif;
}

.story-copy p,
.company-brief-copy p {
  margin-top: 18px;
  color: var(--muted);
}

.story-metrics,
.company-brief-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}

.story-metric,
.brief-stat-card {
  padding: 22px 20px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(46, 125, 50, 0.08), rgba(245, 124, 0, 0.08));
  border: 1px solid rgba(46, 125, 50, 0.12);
}

.story-metric strong,
.brief-stat-card strong {
  display: block;
  font-size: 28px;
  line-height: 1.1;
  color: var(--green-deep);
  font-family: "Noto Serif SC", "STSong", serif;
}

.story-metric span,
.brief-stat-card span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
}

.story-gallery,
.company-gallery-grid {
  display: grid;
  gap: 20px;
}

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

.company-gallery-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.story-shot,
.company-photo {
  margin: 0;
  overflow: hidden;
  border-radius: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.story-shot img,
.company-photo img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.story-shot figcaption,
.company-photo figcaption {
  padding: 16px 18px 18px;
  color: var(--text);
  font-weight: 600;
}

.footer-grid {
  grid-template-columns: 1.4fr 1fr 1.1fr;
  align-items: start;
}

.site-footer {
  background:
    linear-gradient(135deg, rgba(16, 46, 20, 0.98), rgba(36, 63, 31, 0.96)),
    var(--green-deep);
  color: rgba(255, 255, 255, 0.82);
  margin-top: 80px;
}

.site-footer .container {
  padding: 0;
}

.site-footer .footer-grid {
  padding: 58px 0 46px;
}

.site-footer h4 {
  color: #ffffff;
  margin-bottom: 18px;
  font-size: 18px;
}

.footer-links li + li,
.footer-contact li + li,
.contact-list li + li {
  margin-top: 12px;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom-inner {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 13px;
}

.brand-footer {
  margin-bottom: 16px;
}

.page-hero {
  min-height: 420px;
  background: linear-gradient(120deg, #264c28 0%, #49683d 45%, #9a7a42 100%);
}

.page-hero-inner {
  min-height: 420px;
  padding: 78px 0;
}

.page-hero h1 {
  margin-top: 16px;
}

.page-hero p {
  max-width: 720px;
}

.page-copy {
  max-width: 780px;
}

.timeline {
  position: relative;
  display: grid;
  gap: 20px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 68px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, rgba(46, 125, 50, 0.3), rgba(245, 124, 0, 0.3));
}

.timeline-item {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 24px;
  align-items: start;
}

.timeline-year {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  border-radius: 16px;
  background: rgba(46, 125, 50, 0.1);
  color: var(--green);
  font-weight: 700;
}

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

.qualification-list li {
  padding: 22px 24px;
  border-radius: 18px;
  background: rgba(46, 125, 50, 0.06);
  border: 1px solid rgba(46, 125, 50, 0.08);
}

.team-avatar {
  width: 74px;
  height: 74px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(46, 125, 50, 0.18), rgba(245, 124, 0, 0.22));
  color: var(--green-deep);
  font-family: "Noto Serif SC", "STSong", serif;
  font-size: 24px;
  margin-bottom: 18px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}

.filter-bar button {
  border: 1px solid rgba(46, 125, 50, 0.14);
  background: var(--white);
  color: var(--green-deep);
  border-radius: 999px;
  padding: 12px 20px;
  cursor: pointer;
  transition: 0.25s ease;
}

.filter-bar button.active,
.filter-bar button:hover {
  background: linear-gradient(135deg, var(--green), #4b9745);
  color: var(--white);
  border-color: transparent;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.tag-list span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(32, 38, 43, 0.05);
  color: var(--muted);
  font-size: 13px;
}

.detail-shell {
  padding-top: 72px;
}

.detail-hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 34px;
  align-items: center;
}

.detail-media {
  min-height: 430px;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.detail-content p,
.detail-text p,
.article-body p {
  margin-top: 16px;
  color: var(--muted);
}

.detail-section {
  margin-top: 52px;
}

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

.related-card {
  display: block;
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
}

.related-card strong {
  display: block;
  padding: 18px 18px 22px;
}

.article-detail {
  background: var(--white);
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.article-head {
  padding: 34px 34px 20px;
}

.article-head time {
  display: block;
  margin-top: 14px;
  color: var(--muted);
}

.article-body {
  padding: 0 34px 36px;
}

.article-related .news-media {
  min-height: 180px;
}

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

.contact-grid {
  align-items: stretch;
}

.contact-card,
.map-card,
.form-card {
  padding: 30px;
}

.contact-card h3,
.map-card h3,
.form-card h3 {
  font-size: 24px;
  margin-bottom: 16px;
}

.map-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  background:
    linear-gradient(135deg, rgba(46, 125, 50, 0.08), rgba(245, 124, 0, 0.08)),
    var(--white);
}

.map-visual {
  min-height: 320px;
  border-radius: 24px;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(46, 125, 50, 0.18), rgba(245, 124, 0, 0.18)),
    linear-gradient(90deg, rgba(255, 255, 255, 0.54) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.54) 1px, transparent 1px);
  background-size: auto, 38px 38px, 38px 38px;
}

.map-visual::before {
  content: "";
  position: absolute;
  inset: 20px 30px auto auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.38), transparent 68%);
}

.map-marker {
  position: absolute;
  left: 54%;
  top: 48%;
  transform: translate(-50%, -100%);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--green-deep);
  font-weight: 700;
}

.map-pin {
  width: 26px;
  height: 26px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  background: linear-gradient(135deg, var(--gold), var(--green));
  box-shadow: 0 10px 24px rgba(46, 125, 50, 0.25);
}

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

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

.field {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.field input,
.field textarea {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(46, 125, 50, 0.12);
  background: #fbfcfb;
  padding: 14px 16px;
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: rgba(46, 125, 50, 0.4);
  box-shadow: 0 0 0 4px rgba(46, 125, 50, 0.08);
}

.form-status {
  margin-top: 16px;
  font-size: 14px;
  min-height: 24px;
}

.form-status.success {
  color: var(--green);
}

.form-status.error {
  color: #c9481b;
}

@media (max-width: 1080px) {
  .grid-4,
  .grid-3,
  .footer-grid,
  .detail-related {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-2,
  .contact-grid,
  .news-list,
  .detail-hero,
  .story-layout,
  .company-brief {
    grid-template-columns: 1fr;
  }

  .site-nav ul {
    gap: 22px;
  }
}

@media (max-width: 820px) {
  :root {
    --container: min(100% - 32px, 1200px);
  }

  .topbar {
    display: none;
  }

  .nav-inner {
    min-height: 78px;
  }

  .nav-right .search-box {
    display: none;
  }

  .site-nav {
    position: fixed;
    top: 78px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    border-top: 1px solid rgba(46, 125, 50, 0.08);
    box-shadow: 0 24px 40px rgba(18, 39, 21, 0.12);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: 0.28s ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px;
  }

  .site-nav a {
    height: auto;
    padding: 16px 6px;
  }

  .site-nav a::after {
    bottom: 10px;
  }

  .nav-toggle {
    display: inline-block;
  }

  .hero-slider {
    min-height: calc(100vh - 78px);
  }

  .hero-content,
  .page-hero-inner {
    min-height: calc(100vh - 78px);
    padding: 72px 0 120px;
  }

  .grid-4,
  .grid-3,
  .qualification-list,
  .detail-related,
  .form-grid,
  .footer-grid,
  .company-gallery-grid,
  .story-gallery,
  .story-metrics,
  .company-brief-stats {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 72px 0;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .timeline::before {
    left: 28px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    padding-left: 58px;
    position: relative;
  }

  .timeline-year {
    position: absolute;
    left: 0;
    top: 0;
    width: 56px;
    min-height: 56px;
    border-radius: 50%;
    padding: 0;
  }

  .detail-media,
  .map-visual {
    min-height: 260px;
  }

  .footer-bottom-inner {
    flex-direction: column;
    justify-content: center;
    text-align: center;
    padding: 14px 0;
  }
}

@media (max-width: 560px) {
  .brand-text em {
    display: none;
  }

  .hero-actions,
  .map-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

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

  .contact-card,
  .map-card,
  .form-card,
  .article-head,
  .article-body {
    padding-left: 22px;
    padding-right: 22px;
  }
}

/* 产品图片样式示例 */
.product-image-example {
  background-image: url('product1.jpg');
  background-size: cover;
  background-position: center;
}