/* ============================================
   沈阳赛博暗黑模板 | shenyang_design_neon
   风格: 赛博暗黑 / 色板: 电光紫+银灰
   主色 #7c3aed / 辅色 #e2e8f0 / 文字 #1e293b / 背景 #fafafa
   ============================================ */

/* --- 字体：使用系统安全字体栈，避免引用境外未备案的 Google Fonts --- */

/* --- CSS 变量 --- */
:root {
  --primary: #7c3aed;
  --primary-light: #a78bfa;
  --primary-dark: #5b21b6;
  --primary-glow: rgba(124, 58, 237, 0.4);
  --secondary: #e2e8f0;
  --text-dark: #1e293b;
  --text-body: #334155;
  --text-muted: #64748b;
  --bg-dark: #0f0f1a;
  --bg-darker: #08081a;
  --bg-card: #16162a;
  --bg-card-hover: #1e1e38;
  --border-color: rgba(124, 58, 237, 0.2);
  --border-glow: rgba(124, 58, 237, 0.5);
  --gradient-main: linear-gradient(135deg, #7c3aed 0%, #5b21b6 50%, #4c1d95 100%);
  --gradient-hero: linear-gradient(180deg, #0f0f1a 0%, #16162a 40%, #1a1a35 100%);
  --shadow-neon: 0 0 20px rgba(124, 58, 237, 0.3), 0 0 60px rgba(124, 58, 237, 0.1);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --font-heading: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --font-body: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --container-width: 1200px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- 全局重置与基础 --- */
*, *::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(--secondary);
  background: var(--bg-dark);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}
a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: #fff; text-shadow: 0 0 10px var(--primary-glow); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* --- 滚动条美化 --- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-darker); }
::-webkit-scrollbar-thumb { background: var(--primary-dark); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* --- 顶部进度条 --- */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--gradient-main);
  z-index: 10001;
  transition: width 0.15s linear;
  box-shadow: 0 0 10px var(--primary-glow);
}

/* ============================================
   导航栏
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 15, 26, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}
.navbar.scrolled {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(124, 58, 237, 0.1);
}
.nav-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
}
.nav-logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-main);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fff;
  box-shadow: var(--shadow-neon);
}
.nav-logo span { text-shadow: 0 0 20px var(--primary-glow); }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  padding: 10px 18px;
  color: var(--secondary);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary-glow);
  transition: width 0.3s ease;
}
.nav-link:hover,
.nav-link.active {
  color: #fff;
  background: rgba(124, 58, 237, 0.12);
}
.nav-link:hover::before,
.nav-link.active::before { width: 60%; }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  background: var(--gradient-main);
  color: #fff !important;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  box-shadow: var(--shadow-neon);
  transition: var(--transition);
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(124, 58, 237, 0.5), 0 0 60px rgba(124, 58, 237, 0.2);
}
/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--secondary);
  transition: var(--transition);
  border-radius: 2px;
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 968px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(15, 15, 26, 0.98);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    transform: translateY(-120%);
    opacity: 0;
    transition: all 0.35s ease;
    border-bottom: 1px solid var(--border-color);
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
  }
  .nav-link { width: 100%; text-align: center; padding: 14px; }
  .nav-cta { margin-top: 12px; justify-content: center; }
}

/* ============================================
   Hero 全屏大图区（布局 D）
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding-top: 72px;
}
/* 霓虹光斑装饰 */
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.18) 0%, transparent 70%);
  animation: pulse-glow 6s ease-in-out infinite alternate;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(91, 33, 182, 0.12) 0%, transparent 70%);
  animation: pulse-glow 8s ease-in-out infinite alternate-reverse;
}
@keyframes pulse-glow {
  0% { opacity: 0.5; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.15); }
}
/* 网格纹理背景 */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124, 58, 237, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 58, 237, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 800px;
  text-align: center;
  padding: 0 20px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-size: 13px;
  color: var(--primary-light);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 28px;
  animation: fadeInUp 0.8s ease both;
}
.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary-glow);
  animation: blink 2s infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 900;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.15s both;
  text-shadow: 0 0 40px rgba(124, 58, 237, 0.25);
}
.hero-title .highlight {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease 0.3s both;
  opacity: 0.85;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.45s both;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 36px;
  background: var(--gradient-main);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--shadow-neon);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.5s ease;
}
.btn-primary:hover::before { left: 100%; }
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px rgba(124, 58, 237, 0.5), 0 0 80px rgba(124, 58, 237, 0.2);
  color: #fff;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 36px;
  background: transparent;
  color: var(--secondary);
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.2);
  transform: translateY(-3px);
}
/* Hero 底部数据指标 */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
  animation: fadeInUp 0.8s ease 0.6s both;
}
.hero-stat-item { text-align: center; }
.hero-stat-num {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 900;
  color: #fff;
  text-shadow: 0 0 20px var(--primary-glow);
}
.hero-stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-stat-num { font-size: 28px; }
  .btn-primary, .btn-outline { padding: 14px 28px; font-size: 15px; }
}

/* ============================================
   通用区块样式
   ============================================ */
.section {
  padding: 100px 0;
  position: relative;
}
.section-alt {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--primary-light);
  margin-bottom: 16px;
  position: relative;
  padding: 0 20px;
}
.section-tag::before,
.section-tag::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 32px;
  height: 1px;
  background: var(--border-glow);
}
.section-tag::before { left: 0; }
.section-tag::after { right: 0; }
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 900;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.25;
}
.section-desc {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ============================================
   流程步骤区（布局 D 核心区块）
   ============================================ */
.process-section { background: var(--bg-darker); }
.process-timeline {
  display: flex;
  justify-content: space-between;
  position: relative;
  padding: 0 20px;
}
.process-line {
  position: absolute;
  top: 44px;
  left: 80px;
  right: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light), var(--primary));
  box-shadow: 0 0 10px var(--primary-glow);
}
@media (max-width: 968px) {
  .process-line { display: none; }
  .process-timeline { flex-direction: column; gap: 32px; }
}
.process-step {
  flex: 1;
  text-align: center;
  position: relative;
  padding: 0 12px;
}
.process-num {
  width: 88px;
  height: 88px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 900;
  color: var(--primary-light);
  box-shadow: var(--shadow-neon), inset 0 0 20px rgba(124, 58, 237, 0.1);
  position: relative;
  z-index: 2;
  transition: var(--transition);
}
.process-step:hover .process-num {
  transform: scale(1.08);
  box-shadow: 0 0 40px rgba(124, 58, 237, 0.5), inset 0 0 30px rgba(124, 58, 237, 0.15);
}
.process-step-title {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.process-step-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================
   服务卡片网格
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-main);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-neon), var(--shadow-card);
  background: var(--bg-card-hover);
}
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(124, 58, 237, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}
.service-card:hover .service-icon {
  background: rgba(124, 58, 237, 0.2);
  border-color: var(--primary);
  box-shadow: 0 0 16px rgba(124, 58, 237, 0.2);
}
.service-card-title {
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.service-card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}
.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-light);
  transition: var(--transition);
}
.service-card-link:hover {
  color: #fff;
  gap: 10px;
}
.service-card-link svg { width: 16px; height: 16px; }

/* ============================================
   客户评价区
   ============================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition);
  position: relative;
}
.testimonial-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-neon);
}
.testimonial-quote {
  font-size: 48px;
  color: var(--primary);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 12px;
  font-family: Georgia, serif;
}
.testimonial-text {
  font-size: 15px;
  color: var(--secondary);
  line-height: 1.75;
  margin-bottom: 24px;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}
.testimonial-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}
.testimonial-name {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}
.testimonial-role {
  font-size: 13px;
  color: var(--text-muted);
}
.testimonial-stars {
  color: #facc15;
  font-size: 14px;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

/* ============================================
   资讯/文章列表
   ============================================ */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}
.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.article-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-neon);
}
.article-thumb {
  height: 200px;
  background: linear-gradient(135deg, var(--bg-card-hover), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  opacity: 0.6;
}
.article-body { padding: 24px; }
.article-category {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--primary-light);
  margin-bottom: 10px;
}
.article-title {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  line-height: 1.45;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-excerpt {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-muted);
}

/* ============================================
   数据背书区
   ============================================ */
.stats-section {
  background: var(--gradient-hero);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.08) 0%, transparent 70%);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 2;
}
.stat-item { text-align: center; }
.stat-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 14px;
  color: #a78bfa;
}
.stat-num {
  font-family: var(--font-heading);
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px var(--primary-glow));
  line-height: 1.2;
}
.stat-unit {
  font-size: 24px;
  -webkit-text-fill-color: initial;
}
.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 8px;
  letter-spacing: 1px;
}
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}

/* ============================================
   为什么选择我们
   ============================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
}
.why-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-neon);
}
.why-icon {
  font-size: 42px;
  margin-bottom: 18px;
  display: block;
}
.why-card-title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.why-card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ============================================
   CTA 区块
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, var(--bg-darker) 0%, #1a103d 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
}
.cta-inner { position: relative; z-index: 2; }
.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  color: #fff;
  margin-bottom: 16px;
}
.cta-desc {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   页脚
   ============================================ */
.footer {
  background: var(--bg-darker);
  border-top: 1px solid var(--border-color);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--primary);
  box-shadow: 0 0 6px var(--primary-glow);
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 14px;
  color: var(--text-muted);
}
.footer-contact-item svg { flex-shrink: 0; margin-top: 2px; color: var(--primary-light); }
.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { justify-content: center; text-align: center; }
}

/* ============================================
   面包屑
   ============================================ */
.breadcrumb {
  padding: 20px 0;
  font-size: 14px;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary-light); }
.breadcrumb span { margin: 0 8px; }

/* ============================================
   分页
   ============================================ */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 48px;
}
.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--secondary);
  text-decoration: none;
  transition: var(--transition);
}
.pagination a:hover {
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 0 12px rgba(124, 58, 237, 0.2);
}
.pagination .active {
  background: var(--gradient-main);
  border-color: transparent;
  color: #fff;
  box-shadow: var(--shadow-neon);
}

/* ============================================
   表单样式
   ============================================ */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 8px;
}
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--secondary);
  font-size: 15px;
  font-family: var(--font-body);
  transition: var(--transition);
  outline: none;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 16px rgba(124, 58, 237, 0.2);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-input::placeholder,
.form-textarea::placeholder { color: var(--text-muted); }

/* ============================================
   列表页侧栏
   ============================================ */
.page-with-sidebar {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}
.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}
.sidebar-widget-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}
.sidebar-list li { margin-bottom: 10px; }
.sidebar-list li a {
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px dashed rgba(124, 58, 237, 0.1);
}
.sidebar-list li a:hover { color: var(--primary-light); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a {
  padding: 6px 14px;
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-size: 12px;
  color: var(--text-muted);
  transition: var(--transition);
}
.tag-cloud a:hover {
  background: rgba(124, 58, 237, 0.2);
  color: var(--primary-light);
  border-color: var(--primary);
}
@media (max-width: 968px) {
  .page-with-sidebar { grid-template-columns: 1fr; }
}

/* ============================================
   详情页
   ============================================ */
.detail-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}
.detail-title {
  font-family: var(--font-heading);
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 900;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.3;
}
.detail-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.detail-content {
  font-size: 16px;
  color: var(--secondary);
  line-height: 1.85;
}
.detail-content h2,
.detail-content h3 {
  color: #fff;
  margin: 32px 0 16px;
  font-family: var(--font-heading);
}
.detail-content p { margin-bottom: 18px; }
.detail-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  gap: 16px;
}
.detail-nav a {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 45%;
  transition: var(--transition);
}
.detail-nav a:hover { color: var(--primary-light); }

/* ============================================
   城市分站页
   ============================================ */
.city-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.city-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}
.city-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-neon);
}
.city-name {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}
.city-desc {
  font-size: 13px;
  color: var(--text-muted);
}

/* ============================================
   合作伙伴
   ============================================ */
.partners-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}
.partner-logo {
  width: 180px;
  height: 80px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-muted);
  transition: var(--transition);
}
.partner-logo:hover {
  border-color: var(--primary);
  color: var(--primary-light);
  box-shadow: 0 0 16px rgba(124, 58, 237, 0.15);
}

/* ============================================
   404 页面
   ============================================ */
.error-page {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}
.error-code {
  font-family: var(--font-heading);
  font-size: clamp(80px, 15vw, 160px);
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 40px var(--primary-glow));
  line-height: 1;
  animation: glitch 3s infinite;
}
@keyframes glitch {
  0%, 90%, 100% { transform: translate(0); }
  92% { transform: translate(-2px, 1px); }
  94% { transform: translate(2px, -1px); }
  96% { transform: translate(-1px, 2px); }
  98% { transform: translate(1px, -2px); }
}
.error-msg {
  font-size: 20px;
  color: var(--text-muted);
  margin: 24px 0 36px;
}

/* ============================================
   搜索 & 标签页
   ============================================ */
.search-box {
  display: flex;
  max-width: 560px;
  margin: 0 auto 40px;
}
.search-input {
  flex: 1;
  padding: 16px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-right: none;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  color: var(--secondary);
  font-size: 16px;
  outline: none;
  transition: var(--transition);
}
.search-input:focus { border-color: var(--primary); box-shadow: 0 0 16px rgba(124, 58, 237, 0.2); }
.search-btn {
  padding: 16px 28px;
  background: var(--gradient-main);
  color: #fff;
  border: 1px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.search-btn:hover { box-shadow: var(--shadow-neon); }

/* ============================================
   站点地图
   ============================================ */
.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.sitemap-group h3 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}
.sitemap-group ul li { margin-bottom: 8px; }
.sitemap-group ul li a {
  font-size: 14px;
  color: var(--text-muted);
  display: block;
  padding: 4px 0;
  padding-left: 12px;
  border-left: 2px solid transparent;
  transition: var(--transition);
}
.sitemap-group ul li a:hover {
  color: var(--primary-light);
  border-left-color: var(--primary);
  padding-left: 16px;
}

/* ============================================
   回到顶部按钮
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 180px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: var(--gradient-main);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  box-shadow: var(--shadow-neon);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 30px rgba(124, 58, 237, 0.5);
}

/* ============================================
   滚动渐显动画
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================
   悬浮客服组件 (zfkf- 前缀保留)
   ============================================ */
.zfkf-float{position:fixed;right:20px;bottom:120px;z-index:9999;display:flex;flex-direction:column;gap:10px}
.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;border:none}
.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;inset:0;background:rgba(0,0,0,.5);z-index:10000;display:none;align-items:center;justify-content:center}
.zfkf-wechat-mask.zfkf-show{display:flex}
.zfkf-wechat-box{background:#fff;border-radius:12px;padding:24px;text-align:center;position:relative;max-width:320px}
.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}}

/* ============================================
   响应式工具类
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }
.hidden-mobile { display: block; }
@media (max-width: 768px) {
  .hidden-mobile { display: none; }
  .section { padding: 60px 0; }
  .section-header { margin-bottom: 40px; }
}

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

/* ===== 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}

/* ===== v3.8 footer-bottom 单行版权区：链接同色随文 ===== */
.footer-bottom a { color: inherit; text-decoration: none; transition: opacity .2s; }
.footer-bottom a:hover { opacity: .75; }
.footer-legal { display: inline-flex; align-items: center; gap: 4px; }

/* ===== 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}
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