/* ==============================================
   子页面专用样式 page.css
   ============================================== */

/* ---- 页面 Banner ---- */
.page-banner {
  margin-top: calc(var(--notice-h) + var(--header-h));
  padding: 80px 0 64px;
  position: relative;
  overflow: hidden;
}

.page-banner-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 80% 20%, rgba(43,127,195,0.25) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(61,181,74,0.18) 0%, transparent 50%);
}

.page-banner-content {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}

.breadcrumb a {
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.breadcrumb a:hover { color: white; }

.page-banner-content h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: white;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.page-banner-content p {
  color: rgba(255,255,255,0.65);
  font-size: 1rem;
}

/* ---- 关于页 ---- */
.intro-section {
  padding: 96px 0;
  background: white;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.intro-content h2 {
  font-size: clamp(1.7rem, 2.8vw, 2.3rem);
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 18px;
}

.intro-lead {
  font-size: 1.05rem;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 14px;
  font-weight: 500;
}

.intro-content p {
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 14px;
}

.intro-content strong { color: var(--text-body); }

.intro-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.intro-tags span {
  background: #e3f7e6;
  color: var(--green);
  border: 1px solid #b8e8bd;
  font-size: 0.8rem;
  padding: 5px 12px;
  border-radius: 20px;
  font-weight: 500;
}

.intro-img-stack {
  position: relative;
  margin-bottom: 20px;
}

.intro-img {
  border-radius: 12px;
  overflow: hidden;
}

.img-main {
  width: 100%;
  padding-bottom: 60%;
  position: relative;
}

.img-main::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(90deg, rgba(255,255,255,0.03) 0, rgba(255,255,255,0.03) 1px, transparent 1px, transparent 60px),
              repeating-linear-gradient(0deg, rgba(255,255,255,0.03) 0, rgba(255,255,255,0.03) 1px, transparent 1px, transparent 60px);
}

.img-sub {
  position: absolute;
  bottom: -16px; right: -16px;
  width: 45%;
  padding-bottom: 30%;
  border: 4px solid white;
  box-shadow: var(--shadow);
}

.intro-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 32px;
}

.istat {
  background: white;
  padding: 16px 12px;
  text-align: center;
}

.istat-num {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
  margin-bottom: 4px;
}

.istat-lab {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ---- 时间线 ---- */
.history-section {
  padding: 96px 0;
  background: var(--bg-section);
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  background: linear-gradient(to bottom, var(--green), var(--blue-light), var(--green));
  opacity: 0.35;
}

.timeline-item {
  position: relative;
  width: 45%;
  margin-bottom: 40px;
}

.timeline-item.left { margin-left: 0; margin-right: auto; }
.timeline-item.right { margin-left: auto; margin-right: 0; }

.tl-dot {
  position: absolute;
  top: 20px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--green);
  border: 3px solid white;
  box-shadow: 0 0 0 3px rgba(61,181,74,0.3);
}

.timeline-item.left .tl-dot { right: -8%; }
.timeline-item.right .tl-dot { left: -8%; }

.tl-card {
  background: white;
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: var(--shadow);
  border-top: 3px solid var(--green);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.tl-year {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
  margin-bottom: 8px;
}

.tl-card h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.tl-card p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ---- 荣誉 ---- */
.honors-section {
  padding: 96px 0;
  background: white;
}

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

.honor-tile {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition);
}

.honor-tile:hover {
  border-color: var(--green);
  box-shadow: 0 8px 32px rgba(61,181,74,0.15);
  transform: translateY(-4px);
}

.honor-tile-icon {
  width: 56px; height: 56px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 14px;
}

.honor-tile h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.honor-tile p {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 8px;
}

.honor-org {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: block;
}

/* ---- 企业文化 ---- */
.culture-section {
  padding: 96px 0;
  background: var(--bg-section);
}

.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.culture-card {
  background: white;
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
  border-bottom: 3px solid transparent;
}

.culture-card:hover {
  border-bottom-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.culture-icon {
  font-size: 2.4rem;
  margin-bottom: 14px;
}

.culture-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.culture-card p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ---- 核心优势 ---- */
.advantage-section {
  padding: 96px 0;
  background: white;
}

.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.adv-item {
  padding: 28px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.adv-item:hover {
  border-color: var(--green);
  box-shadow: 0 8px 32px rgba(61,181,74,0.12);
}

.adv-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: #d4f0d8;
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.adv-item h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.adv-item p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ---- 产品中心 ---- */
.prod-banner .page-banner-content h1 {
  margin-bottom: 8px;
}

.prod-banner-stats {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 28px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 0;
  overflow: hidden;
  width: fit-content;
  backdrop-filter: blur(8px);
}

.pbs-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 16px 32px;
}

.pbs-num {
  font-size: 1.3rem;
  font-weight: 700;
  color: #7ddb87;
  line-height: 1;
  letter-spacing: -0.01em;
}

.pbs-label {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.05em;
}

.pbs-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.12);
  flex-shrink: 0;
}

.prod-nav-bar {
  position: sticky;
  top: calc(var(--notice-h) + var(--header-h));
  z-index: 100;
  background: white;
  transition: top 0.3s ease;
  border-bottom: 2px solid var(--border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.07);
}

.prod-tabs {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.prod-tabs::-webkit-scrollbar { display: none; }

.prod-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.875rem;
  color: var(--text-light);
  font-weight: 500;
  border-bottom: 3px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  position: relative;
  flex-shrink: 0;
}

.tab-icon {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  opacity: 0.5;
  transition: opacity var(--transition);
}

.tab-icon svg {
  width: 100%;
  height: 100%;
}

.tab-count {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 10px;
  background: var(--bg-section);
  color: var(--text-muted);
  transition: all var(--transition);
  margin-left: 2px;
}

.prod-tab:hover {
  color: var(--green);
  background: rgba(61,181,74,0.04);
}

.prod-tab:hover .tab-icon {
  opacity: 1;
  color: var(--green);
}

.prod-tab:hover .tab-count {
  background: rgba(61,181,74,0.12);
  color: var(--green);
}

.prod-tab.active {
  color: var(--green);
  border-bottom-color: var(--green);
  background: rgba(61,181,74,0.04);
}

.prod-tab.active .tab-icon {
  opacity: 1;
  color: var(--green);
}

.prod-tab.active .tab-count {
  background: var(--green);
  color: white;
}

.prod-section {
  padding: 80px 0;
  background: white;
}

.prod-section.alt-bg { background: var(--bg-section); }

.prod-section-header {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 48px;
}

.prod-cat-badge {
  flex-shrink: 0;
  width: 72px; height: 72px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.prod-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 36px;
}

.prod-card {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.prod-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.prod-card-top {
  position: relative;
  padding: 32px 24px;
  min-height: 100px;
  display: flex;
  align-items: flex-end;
}

.prod-formula {
  font-size: 1.4rem;
  font-weight: 700;
  color: rgba(255,255,255,0.7);
  font-family: 'Courier New', monospace;
}

.prod-badge {
  position: absolute;
  top: 12px; right: 12px;
  background: rgba(255,255,255,0.2);
  color: white;
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 3px;
  border: 1px solid rgba(255,255,255,0.3);
}

.prod-card-body {
  padding: 20px;
}

.prod-card-body h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.prod-cas {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.prod-card-body p {
  font-size: 0.825rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.prod-props {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 14px;
  padding: 10px 12px;
  background: var(--bg-light);
  border-radius: 6px;
  font-size: 0.78rem;
}

.prop-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.prop-label { color: var(--text-muted); }
.prop-item span:last-child { color: var(--text-dark); font-weight: 500; }

.prod-inquiry {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: white;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all var(--transition);
  background: var(--green);
  padding: 7px 14px;
  border-radius: 6px;
  margin-top: 4px;
}

.prod-inquiry:hover {
  background: #2da040;
  transform: translateX(2px);
  box-shadow: 0 4px 12px rgba(61,181,74,0.3);
}

.prod-apps {
  padding: 24px;
  background: white;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.prod-section.alt-bg .prod-apps { background: var(--bg-section); }

.prod-apps h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-body);
  margin-bottom: 12px;
}

.app-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.app-tags span {
  background: #e3f7e6;
  color: #1a6b2e;
  font-size: 0.78rem;
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 500;
}

/* ---- 质量保障 ---- */
.quality-section {
  padding: 80px 0;
  background: var(--primary);
}

.quality-section .section-tag { color: #8DC63F; }
.quality-section h2 { color: white; }

.quality-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.quality-item {
  padding: 28px 22px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  transition: all var(--transition);
  text-align: center;
}

.quality-item:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-4px);
}

.quality-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}

.quality-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: white;
  margin-bottom: 10px;
}

.quality-item p {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}

/* ---- 新闻页 ---- */
.news-filter-bar {
  background: white;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: calc(var(--notice-h) + var(--header-h));
  z-index: 100;
  transition: top 0.3s ease;
}

.news-filter-tabs {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.news-filter-tabs::-webkit-scrollbar { display: none; }

.filter-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.875rem;
  color: var(--text-light);
  font-weight: 500;
  border-bottom: 3px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  background: none;
  cursor: pointer;
  font-family: var(--font);
  flex-shrink: 0;
}

.tab-icon {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  opacity: 0.5;
  transition: opacity var(--transition);
}

.tab-icon svg {
  width: 100%;
  height: 100%;
}

.tab-count {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 10px;
  background: var(--bg-section);
  color: var(--text-muted);
  transition: all var(--transition);
  margin-left: 2px;
}

.filter-tab:hover {
  color: var(--accent);
  background: rgba(43,127,195,0.04);
}

.filter-tab:hover .tab-icon {
  opacity: 1;
  color: var(--accent);
}

.filter-tab:hover .tab-count {
  background: rgba(43,127,195,0.12);
  color: var(--accent);
}

.filter-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: rgba(43,127,195,0.04);
}

.filter-tab.active .tab-icon {
  opacity: 1;
  color: var(--accent);
}

.filter-tab.active .tab-count {
  background: var(--accent);
  color: white;
}

/* 筛选动画 */
.news-page-card,
.news-page-item {
  transition: opacity 0.3s ease, transform 0.3s ease, display 0s linear 0.3s;
}

.news-page-card.filtering-out,
.news-page-item.filtering-out {
  opacity: 0;
  transform: translateY(12px);
}

.news-page-card.hidden-item,
.news-page-item.hidden-item {
  display: none !important;
}

/* 无结果提示 */
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
  color: var(--text-light);
}

.no-results-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.4;
}

.no-results-text {
  font-size: 1rem;
  color: var(--text-muted);
}

.news-page-section {
  padding: 60px 0 80px;
  background: var(--bg-section);
}

.news-page-grid {
  display: grid;
  gap: 24px;
}

.news-page-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 360px 1fr;
  transition: transform var(--transition);
}

.news-page-card:hover { transform: translateY(-4px); }

.npc-img {
  position: relative;
  min-height: 240px;
}

.npc-img-label {
  position: absolute;
  bottom: 16px; left: 16px;
  background: rgba(0,0,0,0.5);
  color: white;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 3px;
}

.npc-body {
  padding: 32px 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.npc-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.npc-cat {
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 3px;
  font-weight: 500;
}

.npc-cat.company { background: #e3f7e6; color: #1a6b2e; }
.npc-cat.product { background: #e3f2fd; color: #1565c0; }
.npc-cat.industry { background: #fff3e0; color: #e65100; }
.npc-cat.tech { background: #f3e5f5; color: #7b1fa2; }

.npc-date { font-size: 0.8rem; color: var(--text-muted); }

.npc-top {
  background: #fff3e0;
  color: #f57f17;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 3px;
  font-weight: 600;
}

.news-page-card h2 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.5;
  margin-bottom: 14px;
}

.news-page-card p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.npc-link {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
}

.news-card-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.news-page-item {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition);
}

.news-page-item:hover { transform: translateY(-4px); }

.npi-img {
  height: 160px;
  flex-shrink: 0;
}

.npi-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.npi-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.news-page-item h3 {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-page-item p {
  font-size: 0.825rem;
  color: var(--text-light);
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}

.page-btn {
  min-width: 40px; height: 40px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.875rem;
  color: var(--text-body);
  background: white;
  cursor: pointer;
  padding: 0 12px;
  transition: all var(--transition);
  font-family: var(--font);
}

.page-btn:hover { border-color: var(--accent); color: var(--accent); }
.page-btn.active { background: var(--accent); border-color: var(--accent); color: white; }
.page-next { padding: 0 16px; }

/* ---- 联系页 ---- */
.contact-main {
  padding: 80px 0;
  background: var(--bg-section);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  align-items: start;
}

.contact-info h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.contact-intro {
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 32px;
  font-size: 0.94rem;
}

.contact-blocks {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 28px;
}

.contact-block {
  display: flex;
  gap: 16px;
  padding: 18px 4px;
  border-bottom: 1px solid rgba(61, 181, 74, 0.12);
  align-items: flex-start;
}

.contact-block:last-child { border-bottom: none; }

.contact-block:hover { background: rgba(61, 181, 74, 0.02); border-radius: 6px; }

.cb-icon { font-size: 1.35rem; flex-shrink: 0; line-height: 1.4; margin-top: 1px; }

.cb-body h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 5px;
  letter-spacing: 0.01em;
}

.cb-body p {
  font-size: 0.86rem;
  color: var(--text-light);
  line-height: 1.65;
}

.cb-body a { color: var(--accent); transition: color 0.2s ease; }
.cb-body a:hover { color: var(--accent-hover); }

/* 销售联系人列表 */
.sales-contacts {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sales-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  transition: all var(--transition);
  background: rgba(61, 181, 74, 0.04);
  border: 1px solid rgba(61, 181, 74, 0.1);
}

.sales-item:hover {
  background: rgba(61, 181, 74, 0.08);
  border-color: rgba(61, 181, 74, 0.25);
  transform: translateX(4px);
}

.sales-name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-body);
  flex-shrink: 0;
  min-width: 36px;
}

.sales-phone {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  font-family: 'Segoe UI', Arial, sans-serif;
  letter-spacing: 0.02em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
}

.sales-phone::before {
  content: '';
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0.6;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232b7fc3' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 16.92v3a2 2 0 0 1-2.18 2 19.79 19.79 0 0 1-8.63-3.07 19.5 19.5 0 0 1-6-6 19.79 19.79 0 0 1-3.07-8.67A2 2 0 0 1 4.11 2h3a2 2 0 0 1 2 1.72 12.84 12.84 0 0 0 .7 2.81 2 2 0 0 1-.45 2.11L8.09 9.91a16 16 0 0 0 6 6l1.27-1.27a2 2 0 0 1 2.11-.45 12.84 12.84 0 0 0 2.81.7A2 2 0 0 1 22 16.92z'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}

.sales-phone:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.quick-contact-tip {
  display: flex;
  gap: 16px;
  padding: 22px 20px;
  background: linear-gradient(135deg, #e8f9eb, #f4fcf5);
  border-radius: 12px;
  border: 1px solid rgba(61, 181, 74, 0.18);
}

.qct-icon { font-size: 1.7rem; flex-shrink: 0; line-height: 1.2; }

.quick-contact-tip strong {
  display: block;
  color: var(--text-dark);
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 5px;
  letter-spacing: 0.01em;
}

.quick-contact-tip p {
  font-size: 0.84rem;
  color: var(--text-light);
  line-height: 1.65;
}

/* 二维码卡片 */
.contact-qr-card {
  margin-top: 24px;
  background: linear-gradient(135deg, #ffffff, #fafbfc);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08), 0 1px 8px rgba(0, 0, 0, 0.04);
  padding: 32px 28px;
  text-align: center;
  border: 1px solid rgba(61, 181, 74, 0.15);
  position: relative;
  overflow: hidden;
  max-width: 280px;
  margin-left: auto;
  margin-right: auto;
}

.contact-qr-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--green), var(--blue));
}

.qr-image {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 20px;
  position: relative;
}

.qr-img {
  width: 200px;
  height: 200px;
  display: block;
  border-radius: 12px;
  object-fit: contain;
  border: 3px solid rgba(61, 181, 74, 0.12);
  padding: 12px;
  background: white;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.qr-img:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 20px rgba(61, 181, 74, 0.2);
  border-color: var(--green);
}

.qr-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.qr-header strong {
  font-size: 1.1rem;
  color: var(--text-dark);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.qr-header span {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* 表单 */
.form-card {
  background: white;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.form-card-header {
  background: linear-gradient(135deg, var(--primary), var(--blue));
  padding: 28px 32px;
}

.form-card-header h3 {
  color: white;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.form-card-header p {
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
}

.contact-form {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-body);
}

.required { color: #e53935; }

.form-group input,
.form-group select,
.form-group textarea {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 0.875rem;
  font-family: var(--font);
  color: var(--text-dark);
  background: var(--bg-light);
  transition: all var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green);
  background: white;
  box-shadow: 0 0 0 3px rgba(61,181,74,0.12);
}

.form-group textarea { resize: vertical; }

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--text-light);
}

.form-check input { flex-shrink: 0; margin-top: 2px; }
.form-check a { color: var(--accent); }

.form-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: white;
  padding: 13px 28px;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  font-family: var(--font);
}

.form-submit:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(43,127,195,0.35);
}

/* 地图 */
.map-section {
  padding: 80px 0;
  background: white;
}

.locations-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 48px;
}

.location-card {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

.location-card:hover { transform: translateY(-4px); }

.loc-map-placeholder {
  position: relative;
  padding: 28px 24px 100px;
  overflow: hidden;
}

.loc-map-pin {
  font-size: 2rem;
  margin-bottom: 6px;
}

.loc-map-label strong {
  display: block;
  font-size: 0.95rem;
  color: var(--text-dark);
  margin-bottom: 2px;
}

.loc-map-label span {
  font-size: 0.82rem;
  color: var(--text-light);
}

.loc-map-visual {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 100px;
  overflow: hidden;
}

.loc-info {
  padding: 20px 24px;
  background: white;
}

.loc-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.loc-info p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 10px;
}

.loc-tips {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.loc-tips span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* FAQ */
.faq-section {
  padding: 80px 0;
  background: var(--bg-section);
}

.faq-list {
  max-width: 780px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: white;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item:hover { border-color: #a8e6b0; }
.faq-item.open { border-color: var(--green); }

.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  background: none;
  cursor: pointer;
  font-family: var(--font);
  text-align: left;
  gap: 16px;
}

.faq-q span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-dark);
  flex: 1;
}

.faq-arrow {
  font-size: 1.4rem;
  color: var(--green);
  flex-shrink: 0;
  font-style: normal;
  line-height: 1;
  transition: transform 0.3s ease;
}

.faq-item.open .faq-arrow { transform: rotate(45deg); }

.faq-a {
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.open .faq-a {
  padding: 4px 22px 18px;
  max-height: 300px;
}

.faq-a p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.75;
}

/* ---- 响应式 ---- */
@media (max-width: 1100px) {
  .honors-grid { grid-template-columns: repeat(4, 1fr); }
  .culture-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .quality-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .intro-grid { grid-template-columns: 1fr; }
  .timeline::before { left: 20px; }
  .timeline-item { width: 85%; margin-left: 50px !important; }
  .timeline-item.left .tl-dot,
  .timeline-item.right .tl-dot { left: -40px; right: auto; }
  .honors-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .locations-grid { grid-template-columns: 1fr; }
  .news-page-card { grid-template-columns: 1fr; }
  .npc-img { min-height: 200px; }
  .news-card-list { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .page-banner { padding: 60px 0 48px; }
  .prod-grid { grid-template-columns: 1fr; }
  .culture-grid { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: 1fr; }
  .quality-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .intro-stats-row { grid-template-columns: repeat(2, 1fr); }
  .honors-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---- 基地介绍 ---- */
.base-section {
  padding: 96px 0;
}

.suzhou-section {
  background: var(--bg-section);
}

.lianyungang-section {
  background: white;
}

.base-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 56px;
}

.base-grid.reverse {
  direction: rtl;
}

.base-grid.reverse > * {
  direction: ltr;
}

.base-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.base-content p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 14px;
}

.base-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 24px;
}

.base-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  border-radius: 8px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.base-feature-item:hover {
  border-color: var(--green);
  box-shadow: 0 4px 16px rgba(61,181,74,0.1);
  transform: translateY(-2px);
}

.bf-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.bf-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.bf-text strong {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dark);
}

.bf-text span {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.base-img-wrap {
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-bottom: 20px;
}

.base-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.bstat {
  background: white;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 12px;
  text-align: center;
  transition: all var(--transition);
}

.lianyungang-section .bstat {
  background: var(--bg-section);
}

.bstat:hover {
  border-color: var(--green);
  box-shadow: 0 4px 14px rgba(61,181,74,0.12);
}

.bstat-num {
  display: block;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--green);
  line-height: 1.1;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.bstat-lab {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

@media (max-width: 1100px) {
  .base-features { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .base-grid,
  .base-grid.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: 36px;
  }
}

@media (max-width: 640px) {
  .base-section { padding: 60px 0; }
  .base-features { grid-template-columns: 1fr; }
  .base-stats { grid-template-columns: repeat(3, 1fr); }
}

/* ---- 荣誉资质图片画廊 ---- */
.honors-section {
  padding: 96px 0;
  background: var(--bg-section);
}

.cert-gallery {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.cert-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.cert-img-wrap {
  position: relative;
  width: 100%;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: white;
  aspect-ratio: 3 / 4;
  transition: box-shadow var(--transition), transform var(--transition);
}

.cert-item:hover .cert-img-wrap {
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  transform: translateY(-6px);
}

.cert-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.4s ease;
}

.cert-item:hover .cert-img-wrap img {
  transform: scale(1.04);
}

.cert-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.cert-item:hover .cert-overlay {
  opacity: 1;
}

.cert-overlay span {
  color: white;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 20px;
  letter-spacing: 0.04em;
}

.cert-name {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.4;
  padding: 0 4px;
}

/* 灯箱 */
.cert-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
}

.cert-lightbox.active {
  display: flex;
}

.cert-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.88);
  cursor: pointer;
}

.cert-lightbox-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  max-width: 90vw;
  max-height: 90vh;
  pointer-events: none;
}

.cert-lightbox-inner * { pointer-events: auto; }

.cert-lightbox-inner img {
  max-width: min(780px, 88vw);
  max-height: 78vh;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: 0 20px 80px rgba(0,0,0,0.6);
  background: white;
}

.cert-lb-caption {
  color: rgba(255,255,255,0.82);
  font-size: 0.88rem;
  text-align: center;
  letter-spacing: 0.02em;
}

.cert-lb-close {
  position: absolute;
  top: -44px;
  right: -4px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: white;
  font-size: 1.1rem;
  width: 36px; height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}

.cert-lb-close:hover { background: rgba(255,255,255,0.25); }

.cert-lb-prev,
.cert-lb-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: white;
  font-size: 1.8rem;
  line-height: 1;
  width: 44px; height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}

.cert-lb-prev { left: calc(-44px - 20px); }
.cert-lb-next { right: calc(-44px - 20px); }

.cert-lb-prev:hover,
.cert-lb-next:hover { background: rgba(255,255,255,0.25); }

/* 响应式 */
@media (max-width: 1200px) {
  .cert-gallery { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 900px) {
  .cert-gallery { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .cert-lb-prev { left: -10px; }
  .cert-lb-next { right: -10px; }
}

@media (max-width: 640px) {
  .honors-section { padding: 60px 0; }
  .cert-gallery { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .cert-lb-prev,
  .cert-lb-next { display: none; }
}

/* ---- 联系页：办公地点卡片 ---- */
.office-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}

.office-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}

.office-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.office-header {
  padding: 28px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, #ffffff, #fafbfc);
}

.office-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.office-header h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-dark);
  letter-spacing: 0.01em;
}

.office-details {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex: 1;
}

.office-detail {
  display: flex;
  gap: 14px;
}

.od-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  line-height: 1.3;
}

.od-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.office-detail p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.6;
}

.office-detail a {
  color: var(--accent);
  transition: color 0.2s ease;
}

.office-detail a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.office-qr {
  padding: 28px 24px;
  text-align: center;
  border-top: 1px solid var(--border);
  background: linear-gradient(135deg, #ffffff, #fafbfc);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.office-qr img {
  width: 140px;
  height: 140px;
  border-radius: 12px;
  padding: 10px;
  background: white;
  border: 2px solid var(--border);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  margin: 0 auto 12px auto;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.office-qr img:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 24px rgba(61,181,74,0.15);
  border-color: var(--green);
}

.office-qr span {
  display: block;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* 响应式 */
@media (max-width: 1100px) {
  .office-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .office-cards { grid-template-columns: 1fr; }
  .office-card { max-width: 500px; margin: 0 auto; }
  .office-details { gap: 16px; }
  .office-detail { flex-direction: column; gap: 8px; }
}

@media (max-width: 640px) {
  .contact-main { padding: 60px 0; }
  .office-card { max-width: 100%; }
  .office-header { padding: 20px; }
  .office-details { padding: 20px; }
  .office-qr { padding: 20px; }
  .office-qr img { width: 120px; height: 120px; }
}