* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, "Microsoft YaHei", sans-serif; color: #333; line-height: 1.6; }
a { color: #8C1022; text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 15px; }
.section-title { text-align: center; font-size: 24px; margin: 30px 0 20px; color: #271a1a; border-bottom: 2px solid #8C1022; display: inline-block; padding-bottom: 8px; }
h1 { font-size: 28px; margin: 20px 0; color: #271a1a; }
h2 { font-size: 22px; margin: 18px 0; color: #271a1a; }
h3 { font-size: 18px; margin: 12px 0; }

/* Header */
.header { background: #271a1a; color: #fff; padding: 10px 0; }
.header-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.logo h1 { color: #fff; font-size: 20px; margin: 0; }
.logo a { color: #fff; }
.nav { display: flex; gap: 12px; flex-wrap: wrap; }
.nav a { color: #fff8f9; font-size: 14px; white-space: nowrap; }
.nav a:hover { color: #C89E36; text-decoration: none; }
.header-phone a { color: #C89E36; font-size: 18px; font-weight: bold; }

/* Banner */
.banner { background: linear-gradient(135deg, #8C1022, #5a0a16); color: #fff; padding: 50px 0; text-align: center; }
.banner h2 { font-size: 32px; margin-bottom: 15px; }
.banner p { font-size: 18px; }
.banner-phone { margin-top: 20px; }
.banner-phone a { color: #C89E36; font-size: 28px; font-weight: bold; }

/* Services */
.services { padding: 30px 0; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card { background: #fff8f9; padding: 25px; border-radius: 8px; text-align: center; border: 1px solid #e4e4e4; }
.service-card h3 { color: #8C1022; font-size: 18px; }

/* Process */
.process { padding: 30px 0; background: #f9f9f9; }
.process-steps { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 15px; margin-top: 20px; }
.step { flex: 1; min-width: 150px; text-align: center; padding: 15px; }
.step-num { display: inline-block; width: 36px; height: 36px; line-height: 36px; border-radius: 50%; background: #8C1022; color: #fff; font-weight: bold; margin-bottom: 8px; }

/* Materials */
.materials { padding: 30px 0; }
.materials-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 15px; }
.material-card { background: #fff8f9; padding: 20px; border-radius: 8px; }
.material-card h3 { color: #8C1022; }
.material-card li { margin: 5px 0 5px 20px; }

/* Qualification */
.qualification { padding: 30px 0; background: #f9f9f9; text-align: center; }
.qualification p { max-width: 800px; margin: 10px auto; }

/* News */
.news { padding: 30px 0; }
.news-list { margin-top: 15px; }
.news-item { padding: 10px 0; border-bottom: 1px solid #eee; display: flex; justify-content: space-between; }
.news-item a { font-size: 14px; color: #333; }
.news-item a:hover { color: #8C1022; }
.news-date { font-size: 12px; color: #999; white-space: nowrap; }

/* Keywords Matrix */
.keywords-matrix { padding: 30px 0; background: #f9f9f9; }
.keywords-matrix .section-title { display: block; text-align: center; }
.keyword-row { margin: 15px 0; }
.keyword-row h3 { font-size: 16px; color: #8C1022; margin-bottom: 8px; }
.keyword-links { display: flex; flex-wrap: wrap; gap: 8px; }
.keyword-links a { font-size: 13px; padding: 3px 10px; background: #fff; border: 1px solid #ddd; border-radius: 4px; color: #555; white-space: nowrap; }
.keyword-links a:hover { background: #8C1022; color: #fff; text-decoration: none; border-color: #8C1022; }

/* CTA */
.cta { background: linear-gradient(135deg, #8C1022, #5a0a16); color: #fff; padding: 40px 0; text-align: center; }
.cta h2 { color: #fff; font-size: 26px; }
.cta p { font-size: 16px; margin-top: 10px; }
.cta-phone { margin-top: 15px; }
.cta-phone a { color: #C89E36; font-size: 24px; font-weight: bold; }

/* Footer */
.footer { background: #271a1a; color: #aaa; padding: 20px 0; font-size: 13px; }
.footer a { color: #C89E36; }
.footer-info { text-align: center; margin-bottom: 10px; }
.footer-copyright { text-align: center; }

/* Breadcrumb */
.breadcrumb { background: #f4f4f4; padding: 10px 0; font-size: 13px; }

/* City Page */
.city-page { padding: 20px 0 40px; }
.city-page h1 { font-size: 24px; color: #8C1022; border-bottom: 2px solid #8C1022; padding-bottom: 10px; }
.city-page h2 { font-size: 20px; color: #271a1a; margin-top: 25px; border-left: 4px solid #8C1022; padding-left: 10px; }
.city-intro, .city-scope, .city-process, .city-materials, .city-faq, .city-cta, .city-articles { margin: 15px 0; }
.city-process ol { padding-left: 25px; }
.city-process li { margin: 8px 0; }
.faq-item { margin: 12px 0; padding: 12px; background: #f9f9f9; border-radius: 6px; }
.faq-item h3 { color: #8C1022; font-size: 16px; }
.city-cta { background: #fff8f9; padding: 20px; border-radius: 8px; text-align: center; margin-top: 25px; }

/* Article Page */
.article-page { padding: 20px 0 40px; }
.article-content { line-height: 1.8; font-size: 16px; }
.article-content p { margin: 10px 0; }

/* Channel Page */
.channel-page { padding: 20px 0 40px; }

/* Responsive */
@media (max-width: 768px) {
  .header-inner { flex-direction: column; gap: 8px; }
  .nav { justify-content: center; gap: 8px; }
  .nav a { font-size: 12px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .materials-grid { grid-template-columns: 1fr; }
  .process-steps { flex-direction: column; }
  .banner h2 { font-size: 22px; }
  .keyword-links a { font-size: 12px; padding: 2px 8px; }
  h1 { font-size: 22px; }
}

/* 幻灯片轮播 */
.slideshow { position: relative; width: 100%; overflow: hidden; }
.slide { display: none; width: 100%; }
.slide.active { display: block; }
.slide-dots { text-align: center; padding: 10px 0; position: absolute; bottom: 0; width: 100%; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.4); margin: 0 5px; cursor: pointer; }
.dot.active { background: #fff; }