/* changzhou-wujin.html */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #333;
  line-height: 1.6;
  background: #fff;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 12px;
}
.section-sub {
  text-align: center;
  color: #666;
  font-size: 1rem;
  margin-bottom: 48px;
}
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}
.btn-primary {
  background: #e8341a;
  color: #fff;
  border: 2px solid #e8341a;
}
.btn-primary:hover { background: #c42a14; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(232,52,26,0.3); }

/* 顶部 */
.top-bar {
  background: #1a1a2e;
  color: #ccc;
  font-size: 0.82rem;
  padding: 8px 0;
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* 导航 */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-icon {
  width: 44px;
  height: 44px;
  background: #e8341a;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.4rem;
  font-weight: 700;
}
.logo-text { font-size: 1.3rem; font-weight: 700; color: #1a1a2e; }
.logo-text span { color: #e8341a; }
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 0.95rem;
  color: #333;
  font-weight: 500;
  position: relative;
}
.nav-links a:hover { color: #e8341a; }
.nav-links a.active { color: #e8341a; }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  right: 0;
  height: 2px;
  background: #e8341a;
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-phone {
  font-size: 1.1rem;
  font-weight: 700;
  color: #e8341a;
}

/* Hero区 */
.hero {
  background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
  color: #fff;
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: url('images/about-factory.jpg') center/cover;
  opacity: 0.15;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}
.hero h1 {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.3;
}
.hero h1 span { color: #e8341a; }
.hero-subtitle {
  font-size: 1.2rem;
  color: #ccc;
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-stats {
  display: flex;
  gap: 40px;
  margin-bottom: 40px;
}
.hero-stat { text-align: center; }
.hero-stat .num {
  font-size: 2.5rem;
  font-weight: 700;
  color: #e8341a;
}
.hero-stat .label { font-size: 0.9rem; color: #999; }
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* 区域优势 */
.area-advantages {
  background: #f8f9fb;
}
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.advantage-card {
  background: #fff;
  padding: 32px;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  text-align: center;
}
.advantage-card .icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #e8341a, #ff6b52);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
}
.advantage-card h3 {
  font-size: 1.2rem;
  color: #1a1a2e;
  margin-bottom: 12px;
}
.advantage-card p {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.7;
}

/* 服务街道 */
.streets-section { background: #fff; }
.streets-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.street-card {
  background: #f8f9fb;
  padding: 28px;
  border-radius: 10px;
  border-left: 4px solid #e8341a;
}
.street-card h4 {
  font-size: 1.1rem;
  color: #1a1a2e;
  margin-bottom: 8px;
}
.street-card p {
  color: #666;
  font-size: 0.9rem;
  line-height: 1.6;
}
.street-card .time {
  color: #e8341a;
  font-weight: 600;
  font-size: 0.85rem;
  margin-top: 8px;
}

/* 产品服务 */
.products-section { background: #f8f9fb; }
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.product-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}
.product-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}
.product-card .content {
  padding: 20px;
}
.product-card h4 {
  font-size: 1rem;
  color: #1a1a2e;
  margin-bottom: 8px;
}
.product-card p {
  color: #666;
  font-size: 0.85rem;
  line-height: 1.6;
}

/* CTA区 */
.cta-section {
  background: linear-gradient(135deg, #e8341a, #c42a14);
  color: #fff;
  text-align: center;
  padding: 80px 0;
}
.cta-section h2 {
  font-size: 2.2rem;
  margin-bottom: 16px;
}
.cta-section p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 32px;
}
.cta-btn {
  background: #fff;
  color: #e8341a;
  padding: 16px 48px;
  border-radius: 4px;
  font-size: 1.1rem;
  font-weight: 600;
  display: inline-block;
  transition: all 0.3s;
}
.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

/* Footer */
footer {
  background: #1a1a2e;
  color: #ccc;
  padding: 60px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo-text { color: #fff; margin-bottom: 16px; }
.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.8;
  color: #999;
}
.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 20px;
}
.footer-col ul {
  list-style: none;
}
.footer-col li {
  margin-bottom: 12px;
}
.footer-col a {
  color: #999;
  font-size: 0.9rem;
}
.footer-col a:hover { color: #e8341a; }
.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: #666;
}

/* 响应式 */
@media (max-width: 992px) {
  .advantage-grid,
  .streets-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero h1 { font-size: 2rem; }
  .advantage-grid,
  .streets-grid,
  .products-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}