/* ============================================
   广州城市分站 · 单色印刷风格
   风格：单色印刷 / 色板：朱红+米白
   布局：F 分栏式 / 字体：思源宋体+楷体
   装饰：细网点纹理、大号数字、卡片悬停
   ============================================ */

/* --- CSS Variables --- */
:root {
  --c-primary: #c0392b;
  --c-primary-dark: #a93226;
  --c-secondary: #f7f3ec;
  --c-text: #3a3a3a;
  --c-text-light: #666;
  --c-bg: #fefefe;
  --c-border: #e8e0d5;
  --c-accent: #c0392b;
  --font-display: 'Source Han Serif SC', 'Noto Serif SC', 'SimSun', serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-kai: 'KaiTi', 'STKaiti', serif;
  --max-w: 1200px;
  --radius: 2px;
  --shadow: 0 1px 4px rgba(58, 58, 58, 0.08);
  --shadow-hover: 0 6px 20px rgba(192, 57, 43, 0.12);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--c-primary-dark); }
ul, ol { list-style: none; }

/* --- Container --- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* --- 细网点纹理背景 --- */
.dot-pattern {
  background-image: radial-gradient(circle, var(--c-border) 1px, transparent 1px);
  background-size: 18px 18px;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.35;
  color: var(--c-text);
  font-weight: 700;
}
h1 { font-size: 2.4rem; letter-spacing: -0.02em; }
h2 { font-size: 1.75rem; position: relative; padding-bottom: 14px; margin-bottom: 32px; }
h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48px;
  height: 3px;
  background: var(--c-primary);
}
h3 { font-size: 1.3rem; }
p { margin-bottom: 16px; }

/* --- 大号数字装饰 --- */
.big-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--c-primary);
  opacity: .15;
  line-height: 1;
  position: absolute;
  top: -10px;
  right: 20px;
  pointer-events: none;
}

/* ============================================
   Header & Navigation
   ============================================ */
.site-header {
  background: var(--c-bg);
  border-bottom: 2px solid var(--c-primary);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--c-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--c-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
}
.main-nav ul {
  display: flex;
  gap: 4px;
}
.main-nav a {
  display: block;
  padding: 8px 18px;
  color: var(--c-text);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: all .2s;
  position: relative;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--c-primary);
  background: rgba(192, 57, 43, 0.06);
}
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

/* ============================================
   Hero Section (单色印刷风)
   ============================================ */
.hero {
  background: var(--c-secondary);
  padding: 80px 0 72px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 280px;
  height: 280px;
  border: 40px solid rgba(192, 57, 43, 0.06);
  border-radius: 50%;
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-text h1 {
  font-size: 2.6rem;
  margin-bottom: 20px;
  color: var(--c-text);
}
.hero-text h1 span {
  color: var(--c-primary);
}
.hero-subtitle {
  font-size: 1.15rem;
  color: var(--c-text-light);
  margin-bottom: 28px;
  line-height: 1.8;
  font-family: var(--font-kai);
  font-size: 1.08rem;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--c-primary);
  color: #fff !important;
  padding: 14px 36px;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius);
  transition: all .25s;
  box-shadow: 0 4px 14px rgba(192, 57, 43, 0.25);
}
.hero-cta:hover {
  background: var(--c-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(192, 57, 43, 0.35);
  color: #fff !important;
}
.hero-visual {
  position: relative;
}
.hero-visual-box {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  padding: 48px 36px;
  position: relative;
  box-shadow: var(--shadow);
}
.hero-visual-box::before {
  content: 'GZ';
  position: absolute;
  top: -24px;
  left: 24px;
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 900;
  color: var(--c-primary);
  opacity: .1;
}
.hero-stat-item {
  margin-bottom: 24px;
  padding-left: 20px;
  border-left: 3px solid var(--c-primary);
}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: var(--c-primary);
}
.hero-stat-label {
  font-size: 0.88rem;
  color: var(--c-text-light);
}

/* ============================================
   Section Common
   ============================================ */
.section {
  padding: 72px 0;
}
.section-alt {
  background: var(--c-secondary);
}
.section-title {
  font-family: var(--font-display);
  font-size: 1.85rem;
  margin-bottom: 12px;
  position: relative;
  padding-left: 18px;
  border-left: 4px solid var(--c-primary);
}
.section-desc {
  color: var(--c-text-light);
  margin-bottom: 44px;
  padding-left: 22px;
  font-size: 0.95rem;
}

/* ============================================
   Service Cards (卡片悬停上浮)
   ============================================ */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  padding: 32px 24px;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--c-primary);
}
.service-card-icon {
  width: 52px;
  height: 52px;
  background: rgba(192, 57, 43, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  color: var(--c-primary);
}
.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.service-card p {
  font-size: 0.88rem;
  color: var(--c-text-light);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ============================================
   Why Choose Us
   ============================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.why-card {
  text-align: center;
  padding: 36px 20px;
  background: var(--c-secondary);
  border-top: 3px solid var(--c-primary);
  transition: transform .25s;
}
.why-card:hover {
  transform: translateY(-4px);
}
.why-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
  color: var(--c-primary);
}
.why-card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}
.why-card p {
  font-size: 0.86rem;
  color: var(--c-text-light);
}

/* ============================================
   Process Steps
   ============================================ */
.process-steps {
  display: flex;
  justify-content: space-between;
  position: relative;
  counter-reset: step;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 60px;
  right: 60px;
  height: 2px;
  background: var(--c-border);
}
.step-item {
  flex: 1;
  text-align: center;
  position: relative;
  counter-increment: step;
}
.step-num {
  width: 60px;
  height: 60px;
  background: var(--c-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  margin: 0 auto 18px;
  position: relative;
  z-index: 1;
}
.step-item h4 {
  font-size: 1rem;
  margin-bottom: 6px;
}
.step-item p {
  font-size: 0.84rem;
  color: var(--c-text-light);
}

/* ============================================
   Data Backing (数据背书)
   ============================================ */
.data-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.data-item {
  text-align: center;
  padding: 36px 16px;
  border: 1px solid var(--c-border);
  background: var(--c-bg);
}
.data-num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--c-primary);
  line-height: 1.1;
  margin-bottom: 6px;
}
.data-item .stat-icon {
  color: var(--c-primary);
  margin-bottom: 10px;
}
.data-label {
  font-size: 0.88rem;
  color: var(--c-text-light);
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  background: var(--c-primary);
  color: #fff;
  padding: 64px 0;
  text-align: center;
}
.cta-section h2 {
  color: #fff;
  font-size: 2rem;
  margin-bottom: 16px;
  border: none;
  padding: 0;
}
.cta-section p {
  opacity: .88;
  margin-bottom: 32px;
  font-size: 1.05rem;
}
.cta-btn {
  display: inline-block;
  background: #fff;
  color: var(--c-primary) !important;
  padding: 14px 42px;
  font-weight: 700;
  font-size: 1.02rem;
  border-radius: var(--radius);
  transition: all .25s;
}
.cta-btn:hover {
  transform: scale(1.04);
  color: var(--c-primary) !important;
}

/* ============================================
   F 布局：主内容 + 侧栏
   ============================================ */
.layout-f {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  padding: 48px 0;
}
.layout-main {}
.layout-sidebar {}

/* Sidebar Widget */
.sidebar-widget {
  background: var(--c-secondary);
  border: 1px solid var(--c-border);
  margin-bottom: 28px;
}
.sidebar-widget-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  padding: 16px 20px;
  border-bottom: 2px solid var(--c-primary);
  color: var(--c-text);
}
.sidebar-widget-body {
  padding: 16px 20px;
}
.sidebar-list li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--c-border);
  font-size: 0.92rem;
}
.sidebar-list li:last-child {
  border-bottom: none;
}
.sidebar-list a {
  color: var(--c-text);
  display: flex;
  justify-content: space-between;
}
.sidebar-list a:hover {
  color: var(--c-primary);
}

/* ============================================
   Article List
   ============================================ */
.article-list {}
.article-item {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--c-border);
  transition: background .2s;
}
.article-item:hover {
  background: var(--c-secondary);
}
.article-thumb {
  width: 200px;
  height: 130px;
  background: var(--c-secondary);
  border: 1px solid var(--c-border);
  flex-shrink: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text-light);
  font-size: 2rem;
}
.article-info h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.article-info h3 a {
  color: var(--c-text);
}
.article-info h3 a:hover {
  color: var(--c-primary);
}
.article-meta {
  font-size: 0.82rem;
  color: #999;
  margin-bottom: 10px;
}
.article-excerpt {
  font-size: 0.9rem;
  color: var(--c-text-light);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 40px;
}
.pagination a,
.pagination span {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--c-border);
  font-size: 0.9rem;
  color: var(--c-text);
  border-radius: var(--radius);
  transition: all .2s;
}
.pagination a:hover,
.pagination .active {
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
}

/* Breadcrumb */
.breadcrumb {
  padding: 16px 0;
  font-size: 0.86rem;
  color: #999;
}
.breadcrumb a {
  color: var(--c-text-light);
}
.breadcrumb a:hover {
  color: var(--c-primary);
}
.breadcrumb span {
  margin: 0 6px;
}

/* ============================================
   Detail Page
   ============================================ */
.detail-header {
  text-align: center;
  padding: 40px 0 28px;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 32px;
}
.detail-header h1 {
  font-size: 2rem;
  margin-bottom: 14px;
}
.detail-meta {
  font-size: 0.86rem;
  color: #999;
}
.detail-content {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--c-text);
}
.detail-content h2,
.detail-content h3 {
  margin: 32px 0 14px;
}
.detail-content p {
  margin-bottom: 18px;
}
.detail-content img {
  margin: 24px auto;
  border: 1px solid var(--c-border);
  padding: 4px;
  background: #fff;
}
.detail-nav {
  display: flex;
  justify-content: space-between;
  padding: 28px 0;
  margin-top: 40px;
  border-top: 1px solid var(--c-border);
  font-size: 0.92rem;
}
.detail-nav a {
  color: var(--c-text);
  max-width: 45%;
}
.detail-nav a:hover {
  color: var(--c-primary);
}

/* Tags */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag-cloud a {
  display: inline-block;
  padding: 6px 16px;
  background: var(--c-secondary);
  border: 1px solid var(--c-border);
  font-size: 0.86rem;
  color: var(--c-text);
  border-radius: var(--radius);
  transition: all .2s;
}
.tag-cloud a:hover {
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
}

/* ============================================
   About Page
   ============================================ */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 48px 0;
}
.about-text h2 {
  font-size: 1.8rem;
}
.about-text p {
  color: var(--c-text-light);
  line-height: 1.8;
}
.about-visual {
  background: var(--c-secondary);
  border: 1px solid var(--c-border);
  padding: 56px 36px;
  text-align: center;
  position: relative;
}
.about-year {
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 900;
  color: var(--c-primary);
  opacity: .12;
  line-height: 1;
}
.timeline {
  position: relative;
  padding-left: 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--c-border);
}
.timeline-item {
  position: relative;
  padding-bottom: 32px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--c-primary);
  border-radius: 50%;
}
.timeline-year {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 4px;
}
.timeline-desc {
  font-size: 0.92rem;
  color: var(--c-text-light);
}

/* ============================================
   Contact Page
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 40px 0;
}
.contact-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.contact-card {
  background: var(--c-secondary);
  border: 1px solid var(--c-border);
  padding: 28px 20px;
  text-align: center;
  transition: all .25s;
}
.contact-card:hover {
  border-color: var(--c-primary);
  transform: translateY(-3px);
}
.contact-card-icon {
  font-size: 1.8rem;
  color: var(--c-primary);
  margin-bottom: 12px;
}
.contact-card h4 {
  font-size: 0.95rem;
  margin-bottom: 6px;
}
.contact-card p {
  font-size: 0.86rem;
  color: var(--c-text-light);
  margin-bottom: 0;
}
.contact-form {
  background: var(--c-secondary);
  border: 1px solid var(--c-border);
  padding: 32px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--c-text);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--c-border);
  background: var(--c-bg);
  font-size: 0.92rem;
  font-family: var(--font-body);
  color: var(--c-text);
  border-radius: var(--radius);
  outline: none;
  transition: border-color .2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--c-primary);
}
.form-group textarea {
  min-height: 120px;
  resize: vertical;
}
.btn-submit {
  background: var(--c-primary);
  color: #fff;
  border: none;
  padding: 13px 40px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all .25s;
}
.btn-submit:hover {
  background: var(--c-primary-dark);
  transform: translateY(-2px);
}

/* Map placeholder */
.map-placeholder {
  height: 300px;
  background: var(--c-secondary);
  border: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text-light);
  font-size: 1rem;
  margin-top: 28px;
}

/* ============================================
   Case Cards
   ============================================ */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.case-card {
  border: 1px solid var(--c-border);
  background: var(--c-bg);
  overflow: hidden;
  transition: all .3s;
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.case-thumb {
  height: 200px;
  background: var(--c-secondary);
  border-bottom: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--c-primary);
  opacity: .3;
}
.case-info {
  padding: 22px;
}
.case-info h3 {
  font-size: 1.08rem;
  margin-bottom: 8px;
}
.case-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.case-tag {
  font-size: 0.76rem;
  padding: 3px 10px;
  background: rgba(192, 57, 43, 0.06);
  color: var(--c-primary);
  border-radius: 2px;
}
.case-info p {
  font-size: 0.86rem;
  color: var(--c-text-light);
  margin-bottom: 0;
}

/* ============================================
   Service Detail Page
   ============================================ */
.service-hero {
  background: var(--c-secondary);
  padding: 56px 0;
  text-align: center;
  border-bottom: 1px solid var(--c-border);
}
.service-hero h1 {
  font-size: 2.2rem;
  margin-bottom: 12px;
}
.service-hero p {
  color: var(--c-text-light);
  font-size: 1.05rem;
  max-width: 680px;
  margin: 0 auto;
}
.service-detail-section {
  padding: 48px 0;
}.feature-list{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.feature-item {
  padding: 24px;
  border: 1px solid var(--c-border);
  background: var(--c-bg);
}
.feature-item h4 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--c-primary);
}
.feature-item p {
  font-size: 0.88rem;
  color: var(--c-text-light);
  margin-bottom: 0;
}

/* ============================================
   County / City Sub-site Page
   ============================================ */
.city-current {
  background: var(--c-primary);
  color: #fff;
  padding: 48px 0;
  text-align: center;
}
.city-current h1 {
  color: #fff;
  font-size: 2.2rem;
  margin-bottom: 8px;
}
.city-current p {
  opacity: .85;
  font-size: 1.02rem;
}
.city-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 48px 0;
}
.city-card {
  text-align: center;
  padding: 28px 16px;
  border: 1px solid var(--c-border);
  background: var(--c-bg);
  transition: all .25s;
}
.city-card:hover {
  border-color: var(--c-primary);
  transform: translateY(-4px);
}
.city-card h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.city-card p {
  font-size: 0.84rem;
  color: var(--c-text-light);
  margin-bottom: 0;
}

/* ============================================
   Search Page
   ============================================ */
.search-bar-large {
  padding: 40px 0 24px;
  text-align: center;
}
.search-input-lg {
  width: 100%;
  max-width: 560px;
  padding: 14px 20px;
  border: 2px solid var(--c-border);
  font-size: 1rem;
  font-family: var(--font-body);
  border-radius: var(--radius);
  outline: none;
  transition: border-color .2s;
}
.search-input-lg:focus {
  border-color: var(--c-primary);
}

/* ============================================
   Partners Page
   ============================================ */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.partner-card {
  border: 1px solid var(--c-border);
  padding: 36px 20px;
  text-align: center;
  background: var(--c-bg);
  transition: all .25s;
}
.partner-card:hover {
  border-color: var(--c-primary);
  box-shadow: var(--shadow);
}
.partner-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.partner-desc {
  font-size: 0.84rem;
  color: var(--c-text-light);
}

/* ============================================
   Sitemap Page
   ============================================ */
.sitemap-section {
  padding: 40px 0;
}
.sitemap-col {
  margin-bottom: 32px;
}
.sitemap-col h3 {
  font-size: 1.1rem;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--c-primary);
}
.sitemap-col ul li {
  padding: 6px 0;
}
.sitemap-col ul a {
  color: var(--c-text-light);
  font-size: 0.92rem;
}
.sitemap-col ul a:hover {
  color: var(--c-primary);
}

/* ============================================
   404 Page
   ============================================ */
.page-404 {
  text-align: center;
  padding: 120px 0;
}
.page-404 h1 {
  font-size: 8rem;
  color: var(--c-primary);
  opacity: .15;
  line-height: 1;
  font-family: var(--font-display);
  margin-bottom: 16px;
}
.page-404 h2 {
  font-size: 1.6rem;
  border: none;
  padding: 0;
  margin-bottom: 12px;
}
.page-404 p {
  color: var(--c-text-light);
  margin-bottom: 28px;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--c-text);
  color: #ccc;
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand h3 {
  color: #fff;
  font-size: 1.3rem;
  margin-bottom: 14px;
  font-family: var(--font-display);
}
.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.8;
  color: #aaa;
}
.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 16px;
  font-family: var(--font-display);
}
.footer-col ul li {
  margin-bottom: 8px;
}
.footer-col ul a {
  color: #aaa;
  font-size: 0.87rem;
}
.footer-col ul a:hover {
  color: #fff;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.84rem;
  color: #777;
}

/* ============================================
   Floating Customer Service (悬浮客服)
   ============================================ */
.zfkf-float{position:fixed !important;right:20px !important;bottom:120px !important;top:auto !important;left:auto !important;transform:none !important;z-index:99999 !important;display:flex !important;flex-direction:column !important;gap:10px !important}
.zfkf-item{position:relative;width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;text-decoration:none;box-shadow:0 4px 14px rgba(0,0,0,.18);transition:all .25s;cursor:pointer}
.zfkf-item:hover{transform:scale(1.08);color:#fff}
.zfkf-phone{background:#2563eb}.zfkf-wechat{background:#07c160}.zfkf-consult{background:#f59e0b}.zfkf-top{background:#334155}
.zfkf-tip{position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%);white-space:nowrap;background:rgba(0,0,0,.78);color:#fff;font-size:12px;padding:5px 10px;border-radius:6px;opacity:0;pointer-events:none;transition:opacity .2s}
.zfkf-item:hover .zfkf-tip{opacity:1}
.zfkf-wechat-mask{position:fixed !important;inset:0 0 0 0 !important;background:rgba(0,0,0,.5) !important;z-index:10000 !important;display:none !important;visibility:hidden !important;align-items:center;justify-content:center}
.zfkf-wechat-mask.zfkf-show{display:flex !important;visibility:visible !important}
.zfkf-wechat-box{background:#fff;border-radius:12px;padding:24px;text-align:center;position:relative}
.zfkf-wechat-box img{width:180px;height:180px;object-fit:contain;border:1px solid #eee;border-radius:8px}
.zfkf-wechat-noimg{width:180px;height:80px;display:flex;align-items:center;justify-content:center;background:#f6f7f9;border-radius:8px;font-size:16px;color:#07c160;font-weight:600}
.zfkf-wechat-box p{margin:12px 0 0;font-size:14px;color:#333}
.zfkf-wechat-close{position:absolute;top:8px;right:12px;font-size:22px;color:#666;cursor:pointer;line-height:1}
@media (max-width:768px){.zfkf-float{right:10px;bottom:100px}.zfkf-item{width:42px;height:42px}.zfkf-tip{display:none}}

/* ============================================
   Scroll Reveal Animation
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Top Progress Bar
   ============================================ */
.top-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--c-primary);
  z-index: 10001;
  width: 0;
  transition: width .1s linear;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  .service-grid { grid-template-columns: repeat(4, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .data-row { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .city-grid { grid-template-columns: repeat(3, 1fr); }
  .partner-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .layout-f { grid-template-columns: 1fr 260px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .about-intro { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .feature-list { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.4rem; }
  .main-nav { display: none; position: absolute; top: 70px; left: 0; right: 0; background: var(--c-bg); border-bottom: 1px solid var(--c-border); padding: 12px 20px; }
  .main-nav.active { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav a { padding: 12px 0; border-bottom: 1px solid var(--c-border); }
  .mobile-toggle { display: block; }
  .hero { padding: 48px 0 40px; }
  .hero-text h1 { font-size: 1.8rem; }
  .service-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .data-row { grid-template-columns: 1fr; }
  .process-steps { flex-direction: column; gap: 16px; }
  .process-steps::before { display: none; }
  .layout-f { grid-template-columns: 1fr; }
  .layout-sidebar { order: -1; }
  .article-item { flex-direction: column; }
  .article-thumb { width: 100%; height: 180px; }
  .case-grid { grid-template-columns: 1fr; }
  .city-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .contact-cards { grid-template-columns: 1fr; }
  .about-visual { padding: 36px 20px; }
  .about-year { font-size: 4rem; }
  .big-number { font-size: 2.2rem; }
  .section { padding: 48px 0; }
  .detail-nav { flex-direction: column; gap: 12px; }
  .detail-nav a { max-width: 100%; }
}

/* ===== 服务卡片动态列数（svc-cols-N：N=卡片数量） ===== */
.service-grid.svc-cols-2 { grid-template-columns: repeat(2, 1fr); }.service-grid.svc-cols-3{ grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.service-grid.svc-cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 992px) {
  .service-grid.svc-cols-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .service-grid.svc-cols-2,
  .service-grid.svc-cols-3,
  .service-grid.svc-cols-4 { grid-template-columns: 1fr; }
}

/* 低对比度修复（灰字浅底 → WCAG AA #595959） */
.article-meta { color: #595959; }
.breadcrumb { color: #595959; }
.detail-meta { color: #595959; }

/* ===== 导航下拉菜单（v3.7 统一补全：箭头 + 白底下拉）===== */
.nav-drop-wrap{position:relative;display:inline-block}
.nav-drop-wrap>a::after{content:"";display:inline-block;margin-left:5px;width:6px;height:6px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.65}
.nav-drop-wrap:hover>a::after{transform:rotate(225deg) translateY(-1px)}
.nav-drop{display:none;position:absolute;top:100%;left:0;min-width:180px;padding:8px 6px;background:#fff;border:1px solid #e5e7eb;border-radius:10px;box-shadow:0 12px 32px rgba(0,0,0,.12);z-index:999}
.nav-drop-wrap:hover .nav-drop,.nav-drop-wrap:focus-within .nav-drop{display:block}
.nav-drop a{display:block;padding:8px 14px;border-radius:6px;font-size:14px;color:#1f2937!important;white-space:nowrap;text-decoration:none;background:#fff!important}
.nav-drop a:hover{background:#f3f4f6!important;color:#111827!important}

/* ===== tz-rich-text typography (auto-appended) ===== */
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article)>:first-child{margin-top:0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article)>:last-child{margin-bottom:0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) p{margin:0 0 1.05em;line-height:1.9}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h1,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h2{margin:1.6em 0 .7em;line-height:1.4;font-weight:700}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h1{font-size:1.6em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h2{font-size:1.4em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h3{margin:1.4em 0 .6em;font-size:1.2em;line-height:1.45;font-weight:700}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h4{margin:1.2em 0 .5em;font-size:1.08em;font-weight:700}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h5,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h6{margin:1.1em 0 .5em;font-size:1em;font-weight:700}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) ul,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) ol{margin:0 0 1.05em;padding-left:1.7em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) li{margin:.35em 0;line-height:1.8}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) img{max-width:100%;height:auto;border-radius:8px}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) figure{margin:1.2em 0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) figcaption{margin-top:.5em;font-size:.85em;opacity:.7;text-align:center}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) blockquote{margin:1.2em 0;padding:.2em 0 .2em 1em;border-left:3px solid currentColor;opacity:.85}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.96em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) th,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) td{border:1px solid rgba(127,127,127,.3);padding:.5em .75em;text-align:left}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) th{font-weight:700;background:rgba(127,127,127,.06)}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) hr{margin:1.6em 0;border:0;border-top:1px solid rgba(127,127,127,.28)}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) pre{overflow:auto;padding:.8em 1em;border-radius:8px;background:rgba(127,127,127,.1);font-size:.92em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) code{font-size:.94em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) strong,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) b{font-weight:700}
:where(.rich-text) ul{list-style:disc}
:where(.rich-text) ol{list-style:decimal}
:where(.rich-text) a{text-decoration:underline;text-underline-offset:3px}

/* ===== tz-footer-legal (auto-appended) ===== */
.zf-legal-line a{color:inherit;text-decoration:none;opacity:.92}
.zf-legal-line a:hover{opacity:1;text-decoration:underline;text-underline-offset:3px}
.zf-legal-line .zf-legal-all{font-weight:600}
.zf-legal-line .zf-legal-copy{opacity:.95}
.zf-legal-line .zf-legal-addr{opacity:.82}
.zf-legal-line .zf-legal-police{text-decoration:none}
@media (max-width:640px){.zf-legal-line{column-gap:.55em;line-height:1.7}}