/* =============================================
   首页 Hero - 升级版
   ============================================= */

.hero {
  margin-top: var(--header-h);
  min-height: 620px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #F8F6F3 0%, #F0ECE6 40%, #E8E2DA 100%);
  padding: 60px 0;
}

.hero .container {
  display: contents;
}

.hero-content {
  flex: 1;
  padding: 0 48px 0 calc((100% - 1140px) / 2 + 24px);
  max-width: calc((100% - 1140px) / 2 + 580px);
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  padding: 5px 16px;
  background: rgba(var(--primary-rgb), 0.08);
  color: var(--primary);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 10px;
  letter-spacing: 1px;
}

.hero-partner-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.hero-partner-tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--primary);
  color: white;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
}

.hero-partner-text {
  font-size: 13px;
  color: var(--text-muted);
}

.hero-title {
  font-size: 52px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 36px;
}

.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-visual {
  flex: 0 0 440px;
  padding: 0 calc((100% - 1140px) / 2 + 24px) 0 24px;
}

.hero-visual svg {
  width: 100%;
  max-width: 380px;
  border-radius: var(--radius-lg);
}

/* =============================================
   数据统计栏 - 升级版
   ============================================= */

.stats-bar {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 36px 0;
}

.stats-bar .container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}

.stat-item {
  flex: 1;
  min-width: 160px;
  text-align: center;
  padding: 12px 20px;
  position: relative;
}

.stat-num {
  display: block;
  font-size: 38px;
  font-weight: 800;
  color: white;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.stat-num em {
  font-size: 24px;
  font-style: normal;
  font-weight: 600;
}

.stat-label {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  margin-top: 4px;
  letter-spacing: 1px;
}

.stat-divider {
  width: 1px;
  height: 50px;
  background: rgba(255,255,255,0.2);
  flex-shrink: 0;
}

/* =============================================
   首页产品卡片 - 升级版
   ============================================= */

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

.home-product-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.home-product-card {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.home-product-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-6px);
  border-color: rgba(var(--primary-rgb), 0.15);
}

.home-product-card.featured {
  border-color: rgba(var(--primary-rgb), 0.3);
  position: relative;
}

.home-product-card .featured-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--primary);
  color: white;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 4px;
  z-index: 2;
}

.home-product-visual {
  height: 240px;
  overflow: hidden;
  background: var(--bg-card);
  position: relative;
}

.home-track {
  display: flex;
  height: 100%;
  width: 200%;
}

.home-track-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  width: 50%;
  height: 100%;
}

.home-track-col img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #e8e8e8;
  padding: 1px;
  box-sizing: border-box;
}

.home-track-col.byd-col {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 1fr;
}

.home-product-body {
  padding: 20px 22px 22px;
}

.home-product-tag {
  display: inline-block;
  padding: 2px 10px;
  background: rgba(var(--primary-rgb), 0.08);
  color: var(--primary);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  margin-bottom: 8px;
}

.home-product-tag.tag-accent {
  background: rgba(30, 74, 118, 0.1);
  color: var(--accent);
}

.home-product-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.home-product-body > p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 4px;
}

.home-product-desc {
  font-size: 12px !important;
  color: var(--text-light) !important;
  margin-bottom: 14px !important;
}

.home-product-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  padding: 6px 16px;
  background: rgba(var(--primary-rgb), 0.06);
  border-radius: 6px;
  transition: var(--transition-bounce);
}

.home-product-card:hover .home-product-btn {
  background: var(--primary);
  color: white;
  gap: 10px;
}

/* =============================================
   产品页 - 品牌条
   ============================================= */

.brand-strip {
  background: white;
  border-bottom: 1px solid var(--border-light);
  padding: 16px 0;
}

.brand-strip-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.brand-logo-tag {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nippon-tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--primary);
  color: white;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
}

.strip-desc {
  font-size: 13px;
  color: var(--text-muted);
}

.strip-text {
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
}

.banner-brand-tag {
  margin-bottom: 12px;
}

.partner-badge {
  display: inline-block;
  padding: 5px 18px;
  background: rgba(255,255,255,0.15);
  color: white;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
}

/* 效果筛选标签 */
.effect-filters {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  justify-content: center;
}

.ef-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-right: 4px;
}

.ef-tag {
  padding: 5px 16px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-muted);
  transition: var(--transition);
  cursor: pointer;
}

.ef-tag:hover {
  border-color: var(--primary-light);
  color: var(--primary);
  background: rgba(var(--primary-rgb), 0.04);
}

/* 产品 - 子产品列表 */
.sub-products {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.sub-product {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--bg-card);
  border-radius: var(--radius);
  transition: var(--transition);
}

.sub-product:hover {
  background: rgba(var(--primary-rgb), 0.04);
}

.sub-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.sub-dot.stone { background: #b8a088; }
.sub-dot.fabric { background: #c8a8a0; }
.sub-dot.leather { background: #a08070; }
.sub-dot.micro { background: #888080; }
.sub-dot.child { background: #c8a882; }

.sub-product strong {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.sub-product small {
  display: block;
  font-size: 11px;
  color: var(--text-light);
  margin-top: 1px;
}

/* 系列品牌标签 */
.series-brand-tag {
  display: inline-block;
  padding: 3px 12px;
  background: var(--primary);
  color: white;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.series-en {
  font-weight: 400;
  font-size: 15px;
  color: var(--text-light);
  margin-left: 6px;
}

/* 环保认证徽标 */
.eco-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.eco-badge {
  padding: 3px 10px;
  background: rgba(var(--primary-rgb), 0.06);
  color: var(--primary);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
}

/* 仿石漆卡片调整 */
.stone-card-body {
  padding: 0 20px 20px;
}

.stone-badge {
  display: inline-block;
  padding: 3px 10px;
  background: var(--primary-dark);
  color: white;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  margin-bottom: 8px;
}

.stone-subtitle {
  font-size: 12px !important;
  color: var(--text-light) !important;
  margin-bottom: 10px !important;
  padding: 0 !important;
}

.stone-card h4 {
  padding-top: 16px;
}

/* 配套产品 */
.related-products {
  margin-top: 48px;
}

.related-products h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text);
}

.rel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.rel-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 14px 16px;
  transition: var(--transition);
  cursor: default;
}

.rel-item:hover {
  box-shadow: var(--shadow);
  border-color: var(--border);
}

.rel-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

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

.rel-item strong {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.rel-item small {
  display: block;
  font-size: 11px;
  color: var(--text-light);
  margin-top: 2px;
}

/* =============================================
   优势区 - 升级版
   ============================================= */

.why-us {
  background: var(--bg-alt);
}

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

.advantage-item {
  text-align: center;
  padding: 36px 24px;
  background: white;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.advantage-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(var(--primary-rgb), 0.15);
}

.adv-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
}

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

.advantage-item h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.advantage-item p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* =============================================
   服务流程 - 升级版
   ============================================= */

.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  flex-wrap: wrap;
  justify-content: center;
}

.process-step {
  flex: 1;
  min-width: 140px;
  max-width: 180px;
  text-align: center;
  padding: 32px 16px;
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  position: relative;
  transition: var(--transition);
}

.process-step:hover {
  box-shadow: var(--shadow);
  border-color: rgba(var(--primary-rgb), 0.15);
}

.step-num {
  font-size: 30px;
  font-weight: 800;
  color: var(--primary-light);
  line-height: 1;
  margin-bottom: 10px;
  opacity: 0.6;
}

.process-step h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.process-step p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

.process-arrow {
  font-size: 24px;
  color: var(--primary-light);
  padding: 24px 8px 0;
  flex-shrink: 0;
  opacity: 0.5;
}

/* =============================================
   CTA 区域 - 升级版
   ============================================= */

.cta-section {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.05) 0%, transparent 60%);
  pointer-events: none;
}

.cta-section h2 {
  font-size: 30px;
  font-weight: 700;
  color: white;
  margin-bottom: 12px;
  position: relative;
}

.cta-section p {
  font-size: 16px;
  color: rgba(255,255,255,0.82);
  margin-bottom: 36px;
  position: relative;
}

.cta-section .btn-primary {
  background: white;
  color: var(--primary);
  border-color: white;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.cta-section .btn-primary:hover {
  background: #F5F0EB;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

/* =============================================
   关于我们页面
   ============================================= */

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.intro-text .section-tag {
  margin-bottom: 12px;
}

.intro-text h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
  line-height: 1.4;
}

.intro-text .lead {
  font-size: 16px;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.8;
}

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

.company-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.tag {
  padding: 5px 14px;
  background: rgba(var(--primary-rgb), 0.06);
  color: var(--primary);
  border-radius: 20px;
  font-size: 13px;
  transition: var(--transition);
}

.tag:hover {
  background: rgba(var(--primary-rgb), 0.12);
}

.intro-visual .visual-block {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.intro-visual svg {
  width: 100%;
  display: block;
}

/* 时间线 - 升级版 */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

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

.timeline-item {
  display: flex;
  gap: 40px;
  margin-bottom: 40px;
  position: relative;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item.left {
  flex-direction: row;
  padding-right: calc(50% + 32px);
}

.timeline-item.right {
  flex-direction: row-reverse;
  padding-left: calc(50% + 32px);
}

.timeline-year {
  flex-shrink: 0;
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  padding-top: 4px;
}

.timeline-item.left .timeline-year {
  text-align: right;
}

.timeline-content {
  flex: 1;
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 22px 24px;
  position: relative;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.timeline-content:hover {
  box-shadow: var(--shadow);
  border-color: rgba(var(--primary-rgb), 0.15);
}

.timeline-content::before {
  content: '';
  position: absolute;
  top: 16px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary-light);
  border: 3px solid white;
  box-shadow: 0 0 0 2px var(--primary-light);
  z-index: 1;
}

.timeline-item.left .timeline-content::before {
  right: -47px;
}

.timeline-item.right .timeline-content::before {
  left: -47px;
}

.timeline-content h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.timeline-content p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 企业文化 - 升级版 */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.culture-card {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 36px 24px;
  text-align: center;
  transition: var(--transition);
}

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

.culture-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  margin: 0 auto 16px;
  box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.2);
}

.culture-card h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}

.culture-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 荣誉资质 - 升级版 */
.honor-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.honor-item {
  text-align: center;
  padding: 36px 20px;
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  transition: var(--transition);
}

.honor-item:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
  border-color: rgba(var(--primary-rgb), 0.15);
}

.honor-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
}

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

.honor-item p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* =============================================
   产品服务页
   ============================================= */

.product-nav {
  background: white;
  border-bottom: 1px solid var(--border-light);
  padding: 0;
}

.sticky-nav {
  position: sticky;
  top: var(--header-h);
  z-index: 100;
}

.product-nav .container {
  display: flex;
  gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.product-nav .container::-webkit-scrollbar {
  display: none;
}

.pnav-link {
  padding: 16px 28px;
  font-size: 14px;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.pnav-link:hover,
.pnav-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.product-detail-header {
  text-align: center;
  margin-bottom: 56px;
}

.pdetail-badge {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 12px;
}

.pdetail-badge.inner {
  background: rgba(138, 106, 80, 0.1);
  color: var(--bronze);
}

.pdetail-badge.outer {
  background: rgba(30, 74, 118, 0.1);
  color: var(--accent);
}

.product-detail-header h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}

.pdetail-desc {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* 产品系列 */
.product-series-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 64px;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--border-light);
}

.product-series-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.product-series-item.reverse {
  direction: rtl;
}

.product-series-item.reverse > * {
  direction: ltr;
}

.series-visual {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.series-visual svg,
.series-visual .product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 产品图片通用 */
.product-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.stone-visual .product-img {
  width: 100%;
  height: 140px;
  object-fit: cover;
}

.series-info h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
}

.series-info > p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 24px;
}

.series-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 28px;
}

.spec-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 10px 14px;
}

.spec-label {
  display: block;
  font-size: 11px;
  color: var(--text-light);
  margin-bottom: 4px;
}

.spec-val {
  font-size: 13px;
  color: var(--text);
  font-weight: 500;
}

/* 系列卡片（产品列表页） */
.series-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

.series-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.series-card {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.series-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-6px);
  border-color: rgba(var(--primary-rgb), 0.15);
}

.series-img-row {
  height: 180px;
  overflow: hidden;
  background: var(--bg-card);
  position: relative;
}

.series-track {
  display: flex;
  height: 100%;
}

.track-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  width: 100%;
  flex-shrink: 0;
}

.track-col img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #e8e8e8;
  padding: 1px;
}

.series-card-body {
  padding: 18px 20px 20px;
}

.series-tag {
  display: inline-block;
  padding: 2px 10px;
  background: rgba(var(--primary-rgb), 0.08);
  color: var(--primary);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  margin-bottom: 8px;
}

.series-card-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.series-card-body h3 small {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-light);
  margin-left: 6px;
}

.series-card-body p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

.view-all {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  transition: var(--transition);
}

.series-card:hover .view-all {
  gap: 8px;
}

/* 仿石漆卡片 */
.stone-products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

.stone-card {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

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

.stone-visual {
  height: 140px;
  position: relative;
  overflow: hidden;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stone-card h4 {
  font-size: 16px;
  font-weight: 600;
  padding: 20px 20px 8px;
  color: var(--text);
}

.stone-card p {
  font-size: 13px;
  color: var(--text-muted);
  padding: 0 20px 16px;
  line-height: 1.7;
}

.stone-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 20px 20px;
}

.stone-tags span {
  padding: 3px 10px;
  background: rgba(var(--primary-rgb), 0.06);
  color: var(--primary);
  border-radius: 12px;
  font-size: 12px;
}

/* 对比表格 */
.compare-section {
  margin-top: 24px;
}

.compare-section h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text);
}

.compare-table-wrap {
  overflow-x: auto;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.compare-table th,
.compare-table td {
  padding: 14px 20px;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
}

.compare-table th {
  background: var(--bg-card);
  font-weight: 600;
  color: var(--text);
}

.compare-table th:first-child,
.compare-table td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--text-muted);
}

.compare-table tr:hover td {
  background: rgba(var(--primary-rgb), 0.03);
}

.rate {
  font-size: 13px;
  letter-spacing: 2px;
}

.rate.high { color: var(--primary); }
.rate.med { color: var(--text-light); }

/* 服务卡片 - 升级版 */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
  transform: translateY(-4px);
}

.service-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
}

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

.service-card h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.service-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 服务覆盖区域 */
.service-areas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 32px;
}

.service-areas span {
  padding: 6px 18px;
  background: white;
  border: 1px solid var(--border-light);
  border-radius: 20px;
  font-size: 14px;
  color: var(--text-muted);
  transition: var(--transition);
}

.service-areas span:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(var(--primary-rgb), 0.04);
}

/* =============================================
   联系我们页
   ============================================= */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
}

.contact-info-panel h2,
.contact-form-panel h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.contact-lead {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-form-panel > p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 36px;
}

.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.contact-icon-wrap {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

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

.contact-item-content h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.contact-item-content p {
  font-size: 15px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-item-content span {
  font-size: 12px;
  color: var(--text-light);
}

.work-time {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: 24px;
  border: 1px solid var(--border-light);
}

.work-time h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 14px;
}

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

.time-item {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
}

.time-day { color: var(--text-muted); }
.time-range { color: var(--text); font-weight: 500; }
.time-item.off .time-range { color: var(--text-light); }

/* 表单 - 升级版 */
.inquiry-form {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

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

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 7px;
}

.required {
  color: #e24b4a;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  outline: none;
  transition: var(--transition);
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.08);
  background: white;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-tip {
  font-size: 12px;
  color: var(--text-light);
  text-align: center;
  margin-top: 12px;
}

.form-success {
  text-align: center;
  padding: 48px 24px;
}

.success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
}

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

.form-success h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.form-success p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* 地图 */
.map-section {
  background: var(--bg-alt);
}

/* =============================================
   FAQ - 折叠问答
   ============================================= */

.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(var(--primary-rgb), 0.15);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  background: white;
  border: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  text-align: left;
  font-family: inherit;
  transition: var(--transition);
}

.faq-question:hover {
  background: rgba(var(--primary-rgb), 0.03);
}

.faq-arrow {
  font-size: 20px;
  font-weight: 300;
  color: var(--primary);
  flex-shrink: 0;
  line-height: 1;
  transition: transform 0.3s ease;
}

.faq-question:hover .faq-arrow {
  transform: rotate(90deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
}

.faq-answer.open {
  max-height: 300px;
  padding: 0 24px 18px;
}

.faq-answer p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* =============================================
   色卡详情页
   ============================================= */

.detail-nav {
  background: white;
  border-bottom: 1px solid var(--border-light);
  padding: 0;
}

.detail-nav .container {
  display: flex;
  gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.detail-nav .container::-webkit-scrollbar {
  display: none;
}

.dnav-link {
  padding: 14px 22px;
  font-size: 14px;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.dnav-link:hover,
.dnav-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

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

.detail-color-card {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

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

.detail-color-img {
  width: 100%;
  height: 160px;
  overflow: hidden;
  background: var(--bg-card);
}

.detail-color-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.detail-color-card:hover .detail-color-img img {
  transform: scale(1.05);
}

.detail-color-info {
  padding: 12px 16px;
}

.detail-color-name {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}

.detail-color-code {
  display: block;
  font-size: 12px;
  color: var(--text-light);
}

.detail-color-action {
  padding: 0 16px 14px;
}

.btn-inquiry {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(var(--primary-rgb), 0.06);
  color: var(--primary);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  transition: var(--transition);
}

.btn-inquiry:hover {
  background: var(--primary);
  color: white;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.85);
  z-index: 9999;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.lightbox.open {
  display: flex;
}

.lightbox-content {
  max-width: 80%;
  max-height: 80%;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.lightbox-content img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  color: white;
  font-size: 36px;
  cursor: pointer;
  opacity: 0.7;
  transition: var(--transition);
  background: none;
  border: none;
  font-family: inherit;
}

.lightbox-close:hover {
  opacity: 1;
}

/* =============================================
   色号系列区块
   ============================================= */

.serie-block {
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border-light);
}

.serie-block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.serie-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.serie-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* =============================================
   发泡陶瓷构件页
   ============================================= */

.byd-hero {
  margin-top: var(--header-h);
  background: linear-gradient(135deg, #2C3E50 0%, #1a252f 100%);
  padding: 80px 0;
  text-align: center;
  color: white;
}

.byd-hero h1 { font-size: 38px; margin-bottom: 12px; font-weight: 700; }
.byd-hero p { font-size: 16px; opacity: 0.85; max-width: 600px; margin: 0 auto; line-height: 1.7; }

.byd-intro {
  max-width: 800px;
  margin: 0 auto 40px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.9;
  text-align: center;
}

.byd-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.byd-card {
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-light);
}

.byd-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(var(--primary-rgb), 0.15);
}

.byd-card-img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
  background: #f5f5f5;
}

.byd-card-body {
  padding: 24px;
}

.byd-card-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.byd-card-body .byd-tag {
  display: inline-block;
  background: rgba(var(--primary-rgb), 0.06);
  color: var(--primary);
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 10px;
}

.byd-card-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 14px;
}

.byd-card-body ul {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.9;
  padding-left: 16px;
  margin-bottom: 14px;
}

.byd-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin: 40px 0;
}

.byd-feature {
  text-align: center;
  padding: 28px 20px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.byd-feature:hover {
  box-shadow: var(--shadow);
  border-color: rgba(var(--primary-rgb), 0.15);
}

.byd-feature .num {
  font-size: 30px;
  font-weight: 800;
  color: var(--primary);
}

.byd-feature p {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* 统计栏手机端 */
  .stats-bar { padding: 24px 0; }
  .stat-item { min-width: 120px; padding: 8px 12px; }
  .stat-num { font-size: 28px; }
  .stat-num em { font-size: 18px; }
  .stat-divider { height: 36px; }
  
  /* 首页产品手机端 */
  .home-product-grid { grid-template-columns: 1fr; }
  .home-product-visual { height: 180px; }
  
  /* 优势区手机端 */
  .advantage-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .advantage-item { padding: 24px 16px; }
  
  /* 服务流程手机端 */
  .process-steps { gap: 12px; }
  .process-step { min-width: 140px; max-width: 160px; }
  .process-arrow { display: none; }
  
  /* CTA 手机端 */
  .cta-section { padding: 56px 0; }
  .cta-section h2 { font-size: 22px; }
  .cta-section p { font-size: 14px; }
  
  /* 关于我们手机端 */
  .intro-grid { grid-template-columns: 1fr; gap: 32px; }
  .intro-text h2 { font-size: 22px; }
  
  .culture-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .culture-card { padding: 24px 16px; }
  
  .honor-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .honor-item { padding: 24px 12px; }
  
  /* 时间线手机端 */
  .timeline::before { left: 16px; }
  .timeline-item.left,
  .timeline-item.right {
    flex-direction: row;
    padding: 0 0 0 40px;
  }
  .timeline-item.left .timeline-year,
  .timeline-item.right .timeline-year {
    display: none;
  }
  .timeline-item.left .timeline-content::before,
  .timeline-item.right .timeline-content::before {
    left: -30px;
  }
  
  /* 联系我们手机端 */
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .inquiry-form { padding: 24px; }
  .form-row { grid-template-columns: 1fr; }
  
  /* 产品页手机端 */
  .series-grid { grid-template-columns: 1fr; }
  .stone-products { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .product-series-item { grid-template-columns: 1fr; gap: 24px; }
  .product-detail-header h2 { font-size: 22px; }
  
  /* 色卡手机端 */
  .detail-color-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .detail-color-img { height: 120px; }
  
  /* 发泡陶瓷手机端 */
  .byd-grid { grid-template-columns: 1fr; }
  .byd-hero h1 { font-size: 28px; }
  .byd-card-img { height: 180px; }
  
  /* 配套产品手机端 */
  .rel-grid { grid-template-columns: 1fr; }
  
  /* FAQ 手机端 */
  .faq-question { padding: 14px 16px; font-size: 14px; }
  
  /* 服务区域手机端 */
  .service-areas span { font-size: 13px; padding: 4px 14px; }
  
  /* 手机端产品页 */
  .page-hero { padding: 50px 0; }
  .page-hero h1 { font-size: 26px; }
  .page-hero p { font-size: 14px; }
  
  .byd-grid { grid-template-columns: 1fr; }
  .byd-hero { padding: 50px 0; }
  .byd-hero h1 { font-size: 26px; }
  
  /* Lightbox 手机适配 */
  .lightbox-content { max-width: 95%; max-height: 70%; }
  .lightbox-close { top: 10px; right: 16px; font-size: 28px; }
  
  /* 效果图库 */
  .ef-filters { justify-content: flex-start; gap: 8px; }
}