/* ============================================
   昆明城市分站模板 - 赛博暗黑风格
   风格：赛博暗黑（深色底、霓虹描边、发光字）
   配色：天青 #0ea5e9 / 暖灰 #64748b / 深色 #334155 / 浅底 #f8fafc
   字体：站酷高端黑 + 苹方
   ============================================ */

/* CSS 变量 */
:root {
  --primary: #0ea5e9;
  --primary-dark: #0284c7;
  --primary-light: #38bdf8;
  --primary-glow: rgba(14,165,233,0.4);
  --accent: #64748b;
  --accent-light: #94a3b8;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-light: #64748b;
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-warm: #162032;
  --border: rgba(14,165,233,0.25);
  --border-light: rgba(148,163,184,0.15);
  --shadow-neu: 0 4px 24px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.05);
  --shadow-inset: inset 0 2px 4px rgba(0,0,0,0.3), inset 0 -1px 0 rgba(255,255,255,0.05);
  --shadow-glow: 0 0 20px var(--primary-glow), 0 0 40px rgba(14,165,233,0.15);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --font-cn: 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
  --font-en: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 基础重置 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-cn); font-size: 16px; line-height: 1.7;
  color: var(--text); background-color: var(--bg);
  overflow-x: hidden;
}
a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: #fff; text-shadow: 0 0 12px var(--primary-glow); }
img { max-width: 100%; height: auto; }
ul, ol { padding-left: 20px; }

/* 容器 */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ============================================
   滚动进度条
   ============================================ */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  z-index: 99999; transition: width 0.15s linear;
  box-shadow: 0 0 10px var(--primary-glow);
}

/* ============================================
   导航栏
   ============================================ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(15,23,42,0.92);
  backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}
.site-header.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,0.5); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 20px; font-weight: 800; color: #fff;
  text-decoration: none; letter-spacing: -0.5px;
}
.logo-icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 900; color: #fff;
  box-shadow: 0 0 16px var(--primary-glow);
}
.nav-menu { display: flex; gap: 32px; }
.nav-menu a {
  color: var(--text-muted); font-size: 15px; font-weight: 500;
  position: relative; padding: 4px 0;
  transition: var(--transition);
}
.nav-menu a:hover,
.nav-menu a.active { color: var(--primary-light); text-shadow: 0 0 12px var(--primary-glow); }
.nav-menu a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
  background: var(--primary); box-shadow: 0 0 8px var(--primary-glow);
  transition: width 0.3s ease;
}
.nav-menu a:hover::after,
.nav-menu a.active::after { width: 100%; }
.menu-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.menu-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* ============================================
   Hero 全屏大图区（A布局）
   ============================================ */
.hero-fullscreen {
  min-height: 92vh; display: flex; align-items: center;
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0c1929 100%);
  padding: 120px 0 80px;
}
.hero-fullscreen::before {
  content: ''; position: absolute; top: -50%; left: -50%;
  width: 200%; height: 200%;
  background:
    radial-gradient(circle at 30% 40%, rgba(14,165,233,0.08) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(100,116,139,0.06) 0%, transparent 50%);
  animation: heroGlow 8s ease-in-out infinite alternate;
}
@keyframes heroGlow {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-2%, 2%) rotate(3deg); }
}
.hero-content { position: relative; z-index: 2; max-width: 720px; }
.hero-badge {
  display: inline-block; padding: 8px 20px; border-radius: 50px;
  font-size: 13px; font-weight: 600; letter-spacing: 1px;
  background: rgba(14,165,233,0.12); color: var(--primary-light);
  border: 1px solid var(--border);
  margin-bottom: 24px;
  text-shadow: 0 0 10px var(--primary-glow);
}
.hero-title {
  font-family: var(--font-en); font-size: clamp(36px, 5vw, 56px);
  font-weight: 900; line-height: 1.15; color: #fff;
  margin-bottom: 22px; letter-spacing: -1.5px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}
.hero-title-accent {
  color: var(--primary-light);
  text-shadow: 0 0 30px var(--primary-glow), 0 0 60px rgba(14,165,233,0.2);
}
.hero-desc {
  font-size: 17px; line-height: 1.75; color: var(--text-muted);
  margin-bottom: 34px; max-width: 580px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; cursor: pointer;
  border: 1px solid transparent; transition: var(--transition);
  text-decoration: none; white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; border-color: transparent;
  box-shadow: 0 0 20px var(--primary-glow), 0 4px 16px rgba(0,0,0,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px var(--primary-glow), 0 8px 24px rgba(0,0,0,0.4);
  color: #fff;
}
.btn-soft {
  background: rgba(30,41,59,0.7); color: var(--text);
  border-color: var(--border);
  backdrop-filter: blur(8px);
}
.btn-soft:hover {
  background: rgba(51,65,85,0.8);
  border-color: var(--primary);
  box-shadow: 0 0 16px rgba(14,165,233,0.15);
  color: #fff;
}
.btn-outline {
  background: transparent; color: var(--primary-light);
  border-color: var(--border);
}
.btn-outline:hover {
  background: rgba(14,165,233,0.1);
  box-shadow: 0 0 16px var(--primary-glow);
  color: #fff;
}
.btn-accent {
  background: linear-gradient(135deg, var(--accent), #475569);
  color: #fff; border-color: transparent;
}

/* ============================================
   Section 通用
   ============================================ */
.section { padding: 80px 0; position: relative; }
.section:nth-child(even) { background: var(--bg-warm); }
.section-header { text-align: center; margin-bottom: 52px; }
.section-tag {
  display: inline-block; font-size: 12px; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase; color: var(--primary);
  margin-bottom: 10px; text-shadow: 0 0 10px var(--primary-glow);
}
.section-title {
  font-family: var(--font-en); font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 900; color: #fff; margin-bottom: 14px;
  letter-spacing: -0.5px;
}
.section-subtitle { font-size: 16px; color: var(--text-muted); max-width: 560px; margin: 0 auto; }/* ============================================
   服务卡片网格（A布局）
   ============================================ */
.services-grid{
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px;
}
.service-card {
  background: var(--bg-card); border-radius: var(--radius-md);
  padding: 36px 28px; border: 1px solid var(--border-light);
  transition: var(--transition); position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), transparent);
  opacity: 0; transition: opacity 0.3s;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--border);
  box-shadow: var(--shadow-glow), var(--shadow-neu);
}
.service-card:hover::before { opacity: 1; }
.service-icon { font-size: 42px; margin-bottom: 16px; filter: drop-shadow(0 0 8px var(--primary-glow)); }
.service-card h3 {
  font-size: 19px; font-weight: 800; color: #fff; margin-bottom: 12px;
  font-family: var(--font-cn);
}
.service-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.service-link {
  font-size: 14px; font-weight: 700; color: var(--primary-light);
  display: inline-flex; align-items: center; gap: 4px;
}
.service-link:hover { text-shadow: 0 0 12px var(--primary-glow); }

/* ============================================
   数字指标区（A布局）
   ============================================ */
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center;
}
.stat-icon {
  width: 60px; height: 60px; margin: 0 auto 16px; display: flex; align-items: center;
  justify-content: center; border-radius: 50%; background: rgba(255,255,255,0.10); color: #fff;
}
.stat-icon svg { width: 28px; height: 28px; }
.stat-num {
  font-size: clamp(30px, 3.4vw, 46px); font-weight: 900; line-height: 1.1; display: block;
  margin: 6px 0 8px; color: #fff !important;
}
.stat-label { font-size: 15px; color: rgba(241,245,249,0.72); }
.stat-item {
  text-align: center; padding: 36px 20px;
  background: var(--bg-card); border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.stat-item::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at center, var(--primary-glow), transparent 70%);
  opacity: 0; transition: opacity 0.3s;
}
.stat-item:hover { transform: translateY(-4px); border-color: var(--border); }
.stat-item:hover::after { opacity: 1; }
.stat-num {
  font-family: var(--font-en); font-size: 44px; font-weight: 900;
  color: var(--primary-light); text-shadow: 0 0 20px var(--primary-glow);
  line-height: 1.1; margin-bottom: 8px;
}
.stat-label { font-size: 14px; color: var(--text-muted); font-weight: 500; }

/* ============================================
   解决方案区
   ============================================ */
.solution-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
.solution-card {
  background: var(--bg-card); border-radius: var(--radius-md);
  padding: 36px; border: 1px solid var(--border-light);
  transition: var(--transition); display: flex; gap: 20px; align-items: flex-start;
}
.solution-card:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-glow);
  transform: translateX(4px);
}
.solution-icon {
  font-size: 36px; flex-shrink: 0; width: 64px; height: 64px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(14,165,233,0.1); border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.solution-card h3 { font-size: 18px; font-weight: 800; color: #fff; margin-bottom: 8px; }
.solution-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ============================================
   流程步骤
   ============================================ */
.process-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px;
}
.process-card {
  text-align: center; padding: 28px 16px;
  background: var(--bg-card); border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: var(--transition); position: relative;
}
.process-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}
.process-num {
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; font-family: var(--font-en); font-size: 20px; font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 0 16px var(--primary-glow);
}
.process-card h3 { font-size: 16px; font-weight: 800; color: #fff; margin-bottom: 8px; }
.process-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* ============================================
   客户评价
   ============================================ */
.testimonials-section { background: var(--bg-warm); }
.testimonials-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.testimonial-card {
  background: var(--bg-card); border-radius: var(--radius-md);
  padding: 32px; border: 1px solid var(--border-light);
  transition: var(--transition);
}
.testimonial-card:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-glow);
}
.testimonial-stars { color: var(--primary); font-size: 18px; margin-bottom: 14px; letter-spacing: 2px; }
.testimonial-text {
  font-size: 15px; color: var(--text-muted); line-height: 1.75;
  margin-bottom: 20px; font-style: italic;
}
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; color: #fff; font-size: 16px;
  flex-shrink: 0;
}
.testimonial-info-name { font-size: 15px; font-weight: 700; color: #fff; }
.testimonial-info-role { font-size: 13px; color: var(--text-muted); }

/* ============================================
   为什么选择我们
   ============================================ */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.why-item {
  text-align: center; padding: 32px 20px;
  background: var(--bg-card); border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.why-item:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}
.why-icon { font-size: 40px; margin-bottom: 14px; }
.why-item h4 { font-size: 17px; font-weight: 800; color: #fff; margin-bottom: 8px; }
.why-item p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* ============================================
   资讯/文章
   ============================================ */
.news-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.news-card {
  background: var(--bg-card); border-radius: var(--radius-md);
  overflow: hidden; border: 1px solid var(--border-light);
  transition: var(--transition);
}
.news-card:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}
.news-thumb {
  height: 180px; background: linear-gradient(135deg, var(--bg-warm), var(--bg-card));
  display: flex; align-items: center; justify-content: center;
  font-size: 48px; border-bottom: 1px solid var(--border-light);
}
.news-body { padding: 22px; }
.news-date { font-size: 12px; color: var(--text-light); display: block; margin-bottom: 8px; }
.news-body h3 { font-size: 17px; font-weight: 800; margin-bottom: 8px; }
.news-body h3 a { color: #fff; }
.news-body h3 a:hover { color: var(--primary-light); text-shadow: 0 0 12px var(--primary-glow); }
.news-excerpt { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* 文章列表项 */
.news-list-item {
  background: var(--bg-card); border-radius: var(--radius-md);
  padding: 28px; margin-bottom: 20px;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.news-list-item:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-glow);
}
.news-list-item h2 { font-size: 20px; font-weight: 800; margin-bottom: 10px; }
.news-list-item h2 a { color: #fff; }
.news-list-item h2 a:hover { color: var(--primary-light); }
.news-list-meta { display: flex; gap: 20px; font-size: 13px; color: var(--text-light); margin-bottom: 12px; }
.news-list-excerpt { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ============================================
   CTA 区
   ============================================ */
.cta-section {
  padding: 90px 0; text-align: center;
  background: linear-gradient(135deg, #0c1929 0%, #1e293b 50%, #0f172a 100%);
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(14,165,233,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(100,116,139,0.08) 0%, transparent 50%);
}
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-top: 28px; }

/* ============================================
   页面 Hero（内页）
   ============================================ */
.page-hero {
  padding: 130px 0 54px; text-align: center;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  border-bottom: 1px solid var(--border-light);
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 50% 80%, rgba(14,165,233,0.06) 0%, transparent 60%);
}
.page-hero h1 {
  font-family: var(--font-en); font-size: clamp(28px, 4vw, 42px);
  font-weight: 900; color: #fff; margin-bottom: 12px;
  letter-spacing: -0.5px;
  position: relative;
}
.page-hero p { font-size: 16px; color: var(--text-muted); max-width: 560px; margin: 0 auto 16px; position: relative; }

/* 面包屑 */
.breadcrumb { font-size: 13px; color: var(--text-light); position: relative; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary-light); }
.breadcrumb span { color: var(--text-light); }

/* ============================================
   内容布局（正文+侧栏）
   ============================================ */
.content-layout { display: grid; grid-template-columns: 1fr 320px; gap: 36px; }
.main-content { min-width: 0; }
.article-body { font-size: 15px; line-height: 1.85; color: var(--text-muted); }
.article-body h2 {
  font-size: 22px; font-weight: 800; color: #fff; margin: 32px 0 14px;
  font-family: var(--font-cn);
}
.article-body h3 { font-size: 18px; font-weight: 700; color: var(--text-light); margin: 24px 0 10px; }
.article-body p { margin-bottom: 14px; }
.article-body ul, .article-body ol { margin-bottom: 14px; }
.article-body li { margin-bottom: 6px; }
.article-body strong { color: var(--text); }
.article-body blockquote {
  border-left: 3px solid var(--primary);
  padding: 16px 20px; margin: 20px 0;
  background: rgba(14,165,233,0.05);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* 上下篇导航 */
.article-nav {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 36px; padding-top: 24px;
  border-top: 1px solid var(--border-light);
  gap: 16px; flex-wrap: wrap;
}
.article-nav a {
  font-size: 14px; color: var(--text-muted); padding: 8px 16px;
  border-radius: var(--radius-sm); border: 1px solid var(--border-light);
  transition: var(--transition);
}
.article-nav a:hover {
  color: var(--primary-light); border-color: var(--border);
  background: rgba(14,165,233,0.05);
}

/* ============================================
   侧边栏
   ============================================ */
.sidebar-widget {
  background: var(--bg-card); border-radius: var(--radius-md);
  padding: 24px; margin-bottom: 20px;
  border: 1px solid var(--border-light);
}
.sidebar-widget h3 {
  font-size: 16px; font-weight: 800; color: #fff; margin-bottom: 16px;
  padding-bottom: 10px; border-bottom: 1px solid var(--border-light);
}
.hot-list-item {
  list-style: none !important; padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 14px;
}
.hot-list-item:last-child { border-bottom: none; }
.hot-list-item a { color: var(--text-muted); display: block; }
.hot-list-item a:hover { color: var(--primary-light); text-shadow: 0 0 10px var(--primary-glow); }

/* 标签云 */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-item {
  display: inline-block; padding: 5px 14px; border-radius: 50px;
  font-size: 12px; color: var(--text-muted);
  background: rgba(30,41,59,0.6); border: 1px solid var(--border-light);
  transition: var(--transition);
}
.tag-item:hover,
.tag-item.active {
  color: var(--primary-light); border-color: var(--primary);
  background: rgba(14,165,233,0.1);
  box-shadow: 0 0 10px rgba(14,165,233,0.15);
}

/* ============================================
   案例
   ============================================ */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: var(--bg-card); border-radius: var(--radius-md);
  overflow: hidden; border: 1px solid var(--border-light);
  transition: var(--transition);
}
.case-card:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-glow);
  transform: translateY(-6px);
}
.case-img-placeholder {
  height: 200px; background: linear-gradient(135deg, var(--bg-warm), var(--bg-card));
  display: flex; align-items: center; justify-content: center;
  font-size: 56px; border-bottom: 1px solid var(--border-light);
}
.case-info { padding: 24px; }
.case-tags { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.case-tag {
  padding: 3px 12px; border-radius: 50px; font-size: 11px; font-weight: 700;
  background: rgba(14,165,233,0.12); color: var(--primary-light);
  border: 1px solid var(--border);
}
.case-info h3 { font-size: 17px; font-weight: 800; color: #fff; margin-bottom: 8px; }
.case-info p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* ============================================
   城市分站
   ============================================ */
.city-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 14px;
}
.city-item {
  padding: 16px; text-align: center; border-radius: var(--radius-sm);
  background: var(--bg-card); border: 1px solid var(--border-light);
  color: var(--text-muted); font-size: 14px; font-weight: 600;
  transition: var(--transition); text-decoration: none;
}
.city-item:hover {
  color: var(--primary-light); border-color: var(--primary);
  box-shadow: 0 0 16px rgba(14,165,233,0.15);
  text-decoration: none;
}
.city-item.current-city {
  background: linear-gradient(135deg, rgba(14,165,233,0.15), rgba(14,165,233,0.05));
  border-color: var(--primary); color: var(--primary-light);
  font-weight: 800;
}

/* ============================================
   合作伙伴
   ============================================ */
.partners-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.partner-item {
  padding: 24px 16px; text-align: center; border-radius: var(--radius-sm);
  background: var(--bg-card); border: 1px solid var(--border-light);
  color: var(--text-muted); font-size: 14px; font-weight: 500;
  transition: var(--transition);
}
.partner-item:hover {
  color: var(--primary-light); border-color: var(--border);
  box-shadow: 0 0 12px rgba(14,165,233,0.12);
}

/* ============================================
   网站地图
   ============================================ */
.sitemap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.sitemap-group { background: var(--bg-card); border-radius: var(--radius-md); padding: 28px; border: 1px solid var(--border-light); }
.sitemap-group h3 { font-size: 17px; font-weight: 800; color: var(--primary-light); margin-bottom: 16px; }
.sitemap-group ul { list-style: none; padding: 0; }
.sitemap-group li { padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,0.03); }
.sitemap-group li:last-child { border-bottom: none; }
.sitemap-group a { color: var(--text-muted); font-size: 14px; }
.sitemap-group a:hover { color: var(--primary-light); }

/* ============================================
   流程时间线
   ============================================ */
.process-timeline { max-width: 800px; margin: 0 auto; }
.process-step {
  display: flex; gap: 24px; margin-bottom: 32px; position: relative;
}
.process-number {
  width: 52px; height: 52px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; font-family: var(--font-en); font-size: 20px; font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 20px var(--primary-glow);
}
.process-line {
  width: 2px; background: linear-gradient(to bottom, var(--primary), transparent);
  margin-left: 25px; flex-shrink: 0;
}
.process-content h3 { font-size: 19px; font-weight: 800; color: #fff; margin-bottom: 8px; }
.process-content p { font-size: 14px; color: var(--text-muted); line-height: 1.75; }

/* ============================================
   分页
   ============================================ */
.pagination {
  display: flex; justify-content: center; gap: 8px; margin-top: 36px;
  flex-wrap: wrap;
}
.pagination a,
.pagination span {
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600;
  border: 1px solid var(--border-light);
  color: var(--text-muted); transition: var(--transition);
  text-decoration: none;
}
.pagination a:hover {
  color: var(--primary-light); border-color: var(--primary);
  box-shadow: 0 0 12px rgba(14,165,233,0.15);
}
.pagination span.active {
  background: var(--primary); color: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 16px var(--primary-glow);
}

/* ============================================
   表单
   ============================================ */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-size: 14px; font-weight: 600; color: var(--text);
  margin-bottom: 6px;
}
.form-control {
  width: 100%; padding: 12px 16px; border-radius: var(--radius-sm);
  background: var(--bg); border: 1px solid var(--border-light);
  color: var(--text); font-size: 15px;
  transition: var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 12px rgba(14,165,233,0.15);
}
.form-control::placeholder { color: var(--text-light); }
select.form-control { appearance: auto; cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 100px; }

/* ============================================
   页脚
   ============================================ */
.site-footer {
  background: #0a0f1a; border-top: 1px solid var(--border-light);
  padding: 52px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px;
}
.footer-brand h3 { font-size: 20px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 8px; }
.footer-col h4 { font-size: 15px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: var(--text-muted); font-size: 14px; }
.footer-col a:hover { color: var(--primary-light); }
.footer-bottom {
  text-align: center; padding: 20px 0; margin-top: 36px;
  border-top: 1px solid var(--border-light);
  font-size: 13px; color: var(--text-light);
}
.footer-bottom a { color: var(--text-muted); }

/* ============================================
   404 错误页
   ============================================ */
.error-page {
  min-height: 82vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 40px 20px;
}
.error-code {
  font-family: var(--font-en); font-size: 140px; font-weight: 900;
  color: var(--primary); line-height: 1;
  text-shadow: 0 0 60px var(--primary-glow), 0 0 120px rgba(14,165,233,0.15);
  opacity: 0.8;
}
.error-page h2 { font-size: 28px; color: #fff; margin: 16px 0 12px; }
.error-page p { color: var(--text-muted); max-width: 420px; margin-bottom: 28px; }

/* ============================================
   悬浮客服（zfkf- 前缀保留）
   ============================================ */
.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,.35);transition:all .25s;cursor:pointer;border:none}
.zfkf-item:hover{transform:scale(1.08);color:#fff}
.zfkf-phone{background:#0ea5e9}.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,.85);color:#fff;font-size:12px;padding:5px 10px;border-radius:6px;opacity:0;pointer-events:none;transition:opacity .2s;border:1px solid rgba(14,165,233,0.2)}
.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:var(--bg-card);border-radius:16px;padding:28px;text-align:center;position:relative;border:1px solid var(--border);box-shadow:var(--shadow-glow)}
.zfkf-wechat-box img{width:180px;height:180px;object-fit:contain;border:1px solid var(--border-light);border-radius:12px}
.zfkf-wechat-noimg{width:180px;height:80px;display:flex;align-items:center;justify-content:center;background:var(--bg);border-radius:12px;font-size:16px;color:#07c160;font-weight:600}
.zfkf-wechat-box p{margin:14px 0 0;font-size:14px;color:var(--text-muted)}
.zfkf-wechat-close{position:absolute;top:10px;right:14px;font-size:24px;color:var(--text-muted);cursor:pointer;line-height:1;transition:color .2s}
.zfkf-wechat-close:hover{color:#fff}

/* ============================================
   动画
   ============================================ */
.fade-up {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1; transform: translateY(0);
}

/* 细网点纹理背景 */
.section::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background-image: radial-gradient(circle, rgba(14,165,233,0.04) 1px, transparent 1px);
  background-size: 24px 24px; pointer-events: none;
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1024px) {.services-grid{ grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .solution-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); }
  .content-layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
}
@media (max-width: 768px) {
  .nav-menu { display: none; position: absolute; top: 70px; left: 0; right: 0; background: var(--bg-card); flex-direction: column; padding: 20px; gap: 0; border-bottom: 1px solid var(--border-light); }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.04); }
  .menu-toggle { display: flex; }
  .hero-title { font-size: 32px; }
  .services-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .city-grid { grid-template-columns: repeat(2, 1fr); }
  .sitemap-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 56px 0; }
  .hero-fullscreen { min-height: auto; padding: 100px 0 60px; }
  .error-code { font-size: 80px; }
  .content-layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .zfkf-float{right:10px;bottom:100px}
  .zfkf-item{width:42px;height:42px}
  .zfkf-tip{display:none}
}

/* ===== 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}}