/* ============================================
   开封城市分站 · 工业几何风格
   风格：工业几何 / 色板：熔炉橙定制
   布局：C Bento 网格首页 / 字体：站酷高端黑+苹方
   装饰：几何色块错位、工程网格纹理、滚动渐显
   ============================================ */

/* --- CSS Variables --- */
:root {
  --c-primary: #ea580c;
  --c-primary-dark: #c2410c;
  --c-primary-light: #fed7aa;
  --c-secondary: #1c1917;
  --c-text: #292524;
  --c-text-light: #78716c;
  --c-bg: #fffbf5;
  --c-bg-alt: #fef3e2;
  --c-border: #e7ddd0;
  --c-accent: #ea580c;
  --font-display: 'ZCOOL XiaoWei', 'Noto Serif SC', 'SimHei', sans-serif;
  --font-body: -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  --max-w: 1200px;
  --radius: 1px;
  --shadow: 0 2px 8px rgba(28,25,23,.06);
  --shadow-hover: 0 8px 28px rgba(234,88,12,.15);
}

/* --- 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: 1.65;
  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 .18s; }
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;
}

/* --- Engineering Grid Texture (工程图纸细网格) --- */
.eng-grid {
  background-image:
    linear-gradient(rgba(234,88,12,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(234,88,12,.04) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* --- Typography (工业硬朗) --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.25;
  color: var(--c-secondary);
  font-weight: 900;
  letter-spacing: -.01em;
}
h1 { font-size: 2.35rem; }
h2 { font-size: 1.72rem; position: relative; display: inline-block; padding-bottom: 10px; margin-bottom: 30px; }
h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 52px;
  height: 4px;
  background: var(--c-primary);
}
h3 { font-size: 1.22rem; }
p { margin-bottom: 14px; }

/* --- Geometric Accent Block (几何色块装饰) --- */
.geo-accent {
  position: relative;
}
.geo-accent::before {
  content: '';
  position: absolute;
  top: -8px;
  left: -8px;
  width: 40px;
  height: 40px;
  border-left: 4px solid var(--c-primary);
  border-top: 4px solid var(--c-primary);
  z-index: 1;
}

/* ============================================
   Header & Navigation (工业导航)
   ============================================ */
.site-header {
  background: var(--c-secondary);
  border-bottom: 4px solid var(--c-primary);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
}
.logo {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--c-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: .05em;
}
.logo-mark {
  width: 38px;
  height: 38px;
  background: var(--c-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  font-weight: 900;
  clip-path: polygon(0 0, 100% 0, 85% 100%, 0% 100%);
}
.main-nav ul {
  display: flex;
  gap: 2px;
}
.main-nav a {
  display: block;
  padding: 9px 18px;
  color: #d6d3d1;
  font-size: .92rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  transition: all .2s;
  position: relative;
  clip-path: polygon(4px 0, 100% 0, calc(100% - 4px) 100%, 0 100%);
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--c-primary);
  background: rgba(234,88,12,.08);
}
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: #fff;
}

/* ============================================
   Hero Section (工业几何风 Hero)
   ============================================ */
.hero {
  background: var(--c-secondary);
  color: #fff;
  padding: 80px 0 76px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: -40px;
  width: 320px;
  height: 320px;
  border: 48px solid rgba(234,88,12,.07);
  transform: rotate(15deg);
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero-text h1 {
  color: #fff;
  font-size: 2.55rem;
  margin-bottom: 18px;
  line-height: 1.2;
}
.hero-text h1 span {
  color: var(--c-primary);
}
.hero-subtitle {
  font-size: 1.06rem;
  color: #a8a29e;
  margin-bottom: 28px;
  line-height: 1.75;
  border-left: 3px solid var(--c-primary);
  padding-left: 16px;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--c-primary);
  color: #fff !important;
  padding: 14px 36px;
  font-weight: 800;
  font-size: .96rem;
  letter-spacing: .03em;
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
  transition: all .25s;
  box-shadow: 0 4px 16px rgba(234,88,12,.3);
}
.hero-cta:hover {
  background: var(--c-primary-dark);
  transform: translateX(4px);
  color: #fff !important;
  box-shadow: 0 6px 24px rgba(234,88,12,.42);
}
.hero-visual {
  position: relative;
}
.hero-visual-box {
  background: rgba(255,255,255,.04);
  border: 2px solid rgba(234,88,12,.2);
  padding: 36px 26px;
  position: relative;
  backdrop-filter: blur(4px);
  /* 信任数字 2×2 网格布局 */
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px 28px;
  align-items: stretch;
}
.hero-visual-box::before {
  content: 'KF';
  position: absolute;
  top: -20px;
  right: 20px;
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 900;
  color: var(--c-primary);
  opacity: .12;
  transform: rotate(-8deg);
  z-index: 0;
  pointer-events: none;
}
.hero-visual-box > * { position: relative; z-index: 1; }
.hero-stat-item {
  margin-bottom: 0;
  padding-left: 16px;
  border-left: 3px solid var(--c-primary);
}
.hero-stat-icon {
  color: #fdba74;
  margin-bottom: 8px;
}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 900;
  color: #fff !important;
  line-height: 1;
}
.hero-stat-label {
  font-size: .84rem;
  color: #a8a29e;
  margin-top: 4px;
}

/* ============================================
   Bento Grid Layout (C布局：磁贴混排)
   ============================================ */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 64px 0;
}
.bento-card {
  background: var(--c-bg);
  border: 2px solid var(--c-border);
  padding: 28px 22px;
  transition: all .28s ease;
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}
.bento-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--c-primary);
}
.bento-card.wide {
  grid-column: span 2;
}
.bento-card.tall {
  grid-row: span 2;
}
.bento-card-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  font-weight: 900;
  margin-bottom: 16px;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), 0 100%);
}
.bento-card h3 {
  font-size: 1.08rem;
  margin-bottom: 8px;
  color: var(--c-secondary);
}
.bento-card p {
  font-size: .86rem;
  color: var(--c-text-light);
  line-height: 1.65;
  margin-bottom: 0;
}
.bento-number {
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 900;
  color: var(--c-primary);
  opacity: .15;
  line-height: 1;
  position: absolute;
  top: 8px;
  right: 14px;
}

/* ============================================
   Section Common
   ============================================ */
.section {
  padding: 68px 0;
}
.section-alt {
  background: var(--c-bg-alt);
}
.section-title {
  font-family: var(--font-display);
  font-size: 1.82rem;
  margin-bottom: 10px;
  position: relative;
  padding-left: 18px;
  border-left: 5px solid var(--c-primary);
}
.section-desc {
  color: var(--c-text-light);
  margin-bottom: 40px;
  padding-left: 22px;
  font-size: .93rem;
}

/* ============================================
   Service Cards (工业卡片)
   ============================================ */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--c-bg);
  border: 2px solid var(--c-border);
  padding: 30px 20px;
  transition: all .28s ease;
  position: relative;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}
.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--c-primary);
}
.service-card-icon {
  width: 48px;
  height: 48px;
  background: var(--c-primary);
  color: #fff;
  border-radius: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 900;
  margin-bottom: 16px;
}
.service-card h3 {
  font-size: 1.08rem;
  margin-bottom: 8px;
}
.service-card p {
  font-size: .86rem;
  color: var(--c-text-light);
  line-height: 1.65;
  margin-bottom: 0;
}

/* ============================================
   Why Choose Us
   ============================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-card {
  text-align: center;
  padding: 34px 18px;
  background: var(--c-bg);
  border-top: 4px solid var(--c-primary);
  transition: transform .22s;
  position: relative;
}
.why-card:hover {
  transform: translateY(-4px);
}
.why-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}
.why-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}
.why-card p {
  font-size: .84rem;
  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: 3px;
  background: repeating-linear-gradient(
    90deg,
    var(--c-primary),
    var(--c-primary) 8px,
    transparent 8px,
    transparent 16px
  );
}
.step-item {
  flex: 1;
  text-align: center;
  position: relative;
  counter-increment: step;
}
.step-num {
  width: 60px;
  height: 60px;
  background: var(--c-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  margin: 0 auto 16px;
  position: relative;
  z-index: 1;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), 0 100%);
}
.step-item h4 {
  font-size: .98rem;
  margin-bottom: 5px;
}
.step-item p {
  font-size: .82rem;
  color: var(--c-text-light);
}

/* ============================================
   Data Backing
   ============================================ */
.data-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.data-item {
  text-align: center;
  padding: 34px 14px;
  border: 2px solid var(--c-border);
  background: var(--c-bg);
  position: relative;
  overflow: hidden;
}
.data-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--c-primary);
}
.data-num {
  font-family: var(--font-display);
  font-size: 2.7rem;
  font-weight: 900;
  color: var(--c-primary);
  line-height: 1.1;
  margin-bottom: 4px;
}
.data-label {
  font-size: .86rem;
  color: var(--c-text-light);
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  background: var(--c-primary);
  color: #fff;
  padding: 62px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -80px;
  left: -80px;
  width: 240px;
  height: 240px;
  border: 40px solid rgba(255,255,255,.07);
  transform: rotate(-12deg);
}
.cta-section h2 {
  color: #fff;
  font-size: 1.95rem;
  margin-bottom: 14px;
  border: none;
  padding: 0;
}
.cta-section p {
  opacity: .88;
  margin-bottom: 30px;
  font-size: 1.02rem;
}
.cta-btn {
  display: inline-block;
  background: var(--c-secondary);
  color: #fff !important;
  padding: 14px 42px;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: .02em;
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
  transition: all .25s;
}
.cta-btn:hover {
  transform: scale(1.04);
  color: #fff !important;
}

/* ============================================
   F Layout: Main + Sidebar
   ============================================ */
.layout-f {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 36px;
  padding: 44px 0;
}
.layout-main {}
.layout-sidebar {}

/* Sidebar Widget */
.sidebar-widget {
  background: var(--c-bg);
  border: 2px solid var(--c-border);
  margin-bottom: 24px;
  overflow: hidden;
}
.sidebar-widget-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  padding: 14px 18px;
  background: var(--c-secondary);
  color: #fff;
  font-weight: 700;
  letter-spacing: .03em;
}
.sidebar-widget-body {
  padding: 16px 18px;
}
.sidebar-list li {
  padding: 9px 0;
  border-bottom: 1px dashed var(--c-border);
  font-size: .9rem;
}
.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: 22px 0;
  border-bottom: 1px solid var(--c-border);
  transition: background .18s;
}
.article-item:hover {
  background: var(--c-bg-alt);
}
.article-thumb {
  width: 190px;
  height: 124px;
  background: var(--c-bg-alt);
  border: 2px solid var(--c-border);
  flex-shrink: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text-light);
  font-size: 1.8rem;
}
.article-info h3 {
  font-size: 1.06rem;
  margin-bottom: 7px;
}
.article-info h3 a {
  color: var(--c-secondary);
}
.article-info h3 a:hover {
  color: var(--c-primary);
}
.article-meta {
  font-size: .8rem;
  color: #999;
  margin-bottom: 8px;
}
.article-excerpt {
  font-size: .88rem;
  color: var(--c-text-light);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 5px;
  margin-top: 36px;
}
.pagination a,
.pagination span {
  display: inline-block;
  padding: 7px 14px;
  border: 2px solid var(--c-border);
  font-size: .87rem;
  color: var(--c-text);
  font-weight: 600;
  transition: all .18s;
}
.pagination a:hover,
.pagination .active {
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
}

/* Breadcrumb */
.breadcrumb {
  padding: 14px 0;
  font-size: .84rem;
  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: 36px 0 24px;
  border-bottom: 2px solid var(--c-border);
  margin-bottom: 28px;
}
.detail-header h1 {
  font-size: 1.95rem;
  margin-bottom: 12px;
}
.detail-meta {
  font-size: .84rem;
  color: #999;
}
.detail-content {
  font-size: .98rem;
  line-height: 1.85;
  color: var(--c-text);
}
.detail-content h2,
.detail-content h3 {
  margin: 30px 0 12px;
}
.detail-content p {
  margin-bottom: 16px;
}
.detail-content img {
  margin: 22px auto;
  border: 2px solid var(--c-border);
  padding: 3px;
  background: #fff;
}
.detail-nav {
  display: flex;
  justify-content: space-between;
  padding: 24px 0;
  margin-top: 36px;
  border-top: 2px solid var(--c-border);
  font-size: .9rem;
}
.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: 8px;
}
.tag-cloud a {
  display: inline-block;
  padding: 5px 14px;
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  font-size: .83rem;
  color: var(--c-text);
  font-weight: 500;
  transition: all .18s;
}
.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: 44px;
  align-items: center;
  padding: 44px 0;
}
.about-text h2 {
  font-size: 1.75rem;
}
.about-text p {
  color: var(--c-text-light);
  line-height: 1.75;
}
.about-visual {
  background: var(--c-bg-alt);
  border: 2px solid var(--c-border);
  padding: 52px 32px;
  text-align: center;
  position: relative;
}
.about-year {
  font-family: var(--font-display);
  font-size: 5.5rem;
  font-weight: 900;
  color: var(--c-primary);
  opacity: .14;
  line-height: 1;
}
.timeline {
  position: relative;
  padding-left: 30px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--c-primary);
}
.timeline-item {
  position: relative;
  padding-bottom: 30px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -27px;
  top: 5px;
  width: 14px;
  height: 14px;
  background: var(--c-primary);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}
.timeline-year {
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 3px;
}
.timeline-desc {
  font-size: .9rem;
  color: var(--c-text-light);
}

/* ============================================
   Contact Page
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  padding: 36px 0;
}
.contact-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.contact-card {
  background: var(--c-bg);
  border: 2px solid var(--c-border);
  padding: 26px 18px;
  text-align: center;
  transition: all .22s;
}
.contact-card:hover {
  border-color: var(--c-primary);
  transform: translateY(-3px);
}
.contact-card-icon {
  font-size: 1.7rem;
  color: var(--c-primary);
  margin-bottom: 10px;
}
.contact-card h4 {
  font-size: .93rem;
  margin-bottom: 5px;
}
.contact-card p {
  font-size: .84rem;
  color: var(--c-text-light);
  margin-bottom: 0;
}
.contact-form {
  background: var(--c-bg);
  border: 2px solid var(--c-border);
  padding: 30px;
}
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: .88rem;
  font-weight: 700;
  margin-bottom: 5px;
  color: var(--c-secondary);
  letter-spacing: .02em;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 13px;
  border: 2px solid var(--c-border);
  background: var(--c-bg);
  font-size: .9rem;
  font-family: var(--font-body);
  color: var(--c-text);
  outline: none;
  transition: border-color .18s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--c-primary);
}
.form-group textarea {
  min-height: 110px;
  resize: vertical;
}
.btn-submit {
  background: var(--c-primary);
  color: #fff;
  border: none;
  padding: 12px 38px;
  font-size: .96rem;
  font-weight: 800;
  cursor: pointer;
  transition: all .22s;
  letter-spacing: .02em;
}
.btn-submit:hover {
  background: var(--c-primary-dark);
  transform: translateY(-2px);
}

.map-placeholder {
  height: 280px;
  background: var(--c-bg-alt);
  border: 2px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text-light);
  font-size: .95rem;
  margin-top: 24px;
}

/* ============================================
   Case Cards
   ============================================ */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  border: 2px solid var(--c-border);
  background: var(--c-bg);
  overflow: hidden;
  transition: all .28s;
}
.case-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--c-primary);
}
.case-thumb {
  height: 190px;
  background: var(--c-bg-alt);
  border-bottom: 2px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.8rem;
  color: var(--c-primary);
  opacity: .25;
}
.case-info {
  padding: 20px;
}
.case-info h3 {
  font-size: 1.04rem;
  margin-bottom: 7px;
}
.case-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.case-tag {
  font-size: .74rem;
  padding: 2px 9px;
  background: var(--c-bg-alt);
  color: var(--c-primary);
  font-weight: 600;
  border: 1px solid var(--c-border);
}
.case-info p {
  font-size: .84rem;
  color: var(--c-text-light);
  margin-bottom: 0;
}

/* ============================================
   Service Detail Page
   ============================================ */
.service-hero {
  background: var(--c-bg-alt);
  padding: 52px 0;
  text-align: center;
  border-bottom: 2px solid var(--c-border);
}
.service-hero h1 {
  font-size: 2.1rem;
  margin-bottom: 10px;
}
.service-hero p {
  color: var(--c-text-light);
  font-size: 1.02rem;
  max-width: 650px;
  margin: 0 auto;
}
.service-detail-section {
  padding: 44px 0;
}.feature-list{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.feature-item {
  padding: 22px;
  border: 2px solid var(--c-border);
  background: var(--c-bg);
}
.feature-item h4 {
  font-size: .97rem;
  margin-bottom: 7px;
  color: var(--c-primary);
}
.feature-item p {
  font-size: .86rem;
  color: var(--c-text-light);
  margin-bottom: 0;
}

/* ============================================
   County / City Sub-site Page
   ============================================ */
.city-current {
  background: var(--c-primary);
  color: #fff;
  padding: 46px 0;
  text-align: center;
}
.city-current h1 {
  color: #fff;
  font-size: 2.1rem;
  margin-bottom: 7px;
}
.city-current p {
  opacity: .85;
  font-size: 1rem;
}
.city-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding: 44px 0;
}
.city-card {
  text-align: center;
  padding: 26px 14px;
  border: 2px solid var(--c-border);
  background: var(--c-bg);
  transition: all .22s;
}
.city-card:hover {
  border-color: var(--c-primary);
  transform: translateY(-3px);
}
.city-card h3 {
  font-size: 1.02rem;
  margin-bottom: 5px;
}
.city-card p {
  font-size: .82rem;
  color: var(--c-text-light);
  margin-bottom: 0;
}

/* ============================================
   Search Page
   ============================================ */
.search-bar-large {
  padding: 36px 0 20px;
  text-align: center;
}
.search-input-lg {
  width: 100%;
  max-width: 540px;
  padding: 13px 18px;
  border: 3px solid var(--c-border);
  font-size: .98rem;
  font-family: var(--font-body);
  outline: none;
  transition: border-color .18s;
}
.search-input-lg:focus {
  border-color: var(--c-primary);
}

/* ============================================
   Partners Page
   ============================================ */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.partner-card {
  border: 2px solid var(--c-border);
  padding: 34px 18px;
  text-align: center;
  background: var(--c-bg);
  transition: all .22s;
}
.partner-card:hover {
  border-color: var(--c-primary);
  box-shadow: var(--shadow);
}
.partner-name {
  font-family: var(--font-display);
  font-size: 1.02rem;
  margin-bottom: 5px;
}
.partner-desc {
  font-size: .82rem;
  color: var(--c-text-light);
}

/* ============================================
   Sitemap Page
   ============================================ */
.sitemap-section {
  padding: 36px 0;
}
.sitemap-col {
  margin-bottom: 28px;
}
.sitemap-col h3 {
  font-size: 1.06rem;
  margin-bottom: 12px;
  padding-bottom: 7px;
  border-bottom: 3px solid var(--c-primary);
}
.sitemap-col ul li {
  padding: 5px 0;
}
.sitemap-col ul a {
  color: var(--c-text-light);
  font-size: .9rem;
}
.sitemap-col ul a:hover {
  color: var(--c-primary);
}

/* ============================================
   404 Page
   ============================================ */
.page-404 {
  text-align: center;
  padding: 110px 0;
}
.page-404 h1 {
  font-size: 7.5rem;
  color: var(--c-primary);
  opacity: .13;
  line-height: 1;
  font-family: var(--font-display);
  margin-bottom: 14px;
}
.page-404 h2 {
  font-size: 1.55rem;
  border: none;
  padding: 0;
  margin-bottom: 10px;
}
.page-404 p {
  color: var(--c-text-light);
  margin-bottom: 26px;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--c-secondary);
  color: #d6d3d1;
  padding: 52px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 36px;
}
.footer-brand h3 {
  color: #fff;
  font-size: 1.25rem;
  margin-bottom: 12px;
  font-family: var(--font-display);
}
.footer-brand p {
  font-size: .86rem;
  line-height: 1.75;
  color: #a8a29e;
}
.footer-col h4 {
  color: #fff;
  font-size: .92rem;
  margin-bottom: 14px;
  font-family: var(--font-display);
  letter-spacing: .03em;
}
.footer-col ul li {
  margin-bottom: 7px;
}
.footer-col ul a {
  color: #a8a29e;
  font-size: .85rem;
}
.footer-col ul a:hover {
  color: var(--c-primary);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 18px 0;
  text-align: center;
  font-size: .82rem;
  color: #57534e;
}

/* ============================================
   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(28px);
  transition: opacity .58s ease, transform .58s 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: 36px; }
  .about-intro { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .feature-list { grid-template-columns: 1fr; }
  .bento-grid { grid-template-columns: repeat(2, 1fr); }
  .bento-card.wide { grid-column: span 2; }
  .bento-card.tall { grid-row: span 1; }
}

@media (max-width: 768px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.38rem; }
  .main-nav { display: none; position: absolute; top: 66px; left: 0; right: 0; background: var(--c-secondary); padding: 12px 20px; }
  .main-nav.active { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav a { padding: 11px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .mobile-toggle { display: block; }
  .hero { padding: 44px 0 36px; }
  .hero-text h1 { font-size: 1.75rem; }
  .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: 170px; }
  .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: 24px; }
  .contact-cards { grid-template-columns: 1fr; }
  .about-visual { padding: 32px 18px; }
  .about-year { font-size: 3.8rem; }
  .section { padding: 44px 0; }
  .detail-nav { flex-direction: column; gap: 10px; }
  .detail-nav a { max-width: 100%; }
  .bento-grid { grid-template-columns: 1fr; }
  .bento-card.wide { grid-column: span 1; }
}

/* 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}

/* ===== 首页最新资讯：2列卡片 ===== */
.news-section { padding-top: 8px; }
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.sec-head .section-title{margin-bottom:0}
.news-2col{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.news-card{display:flex;align-items:center;gap:16px;padding:20px 22px;background:var(--c-bg);border:2px solid var(--c-border);transition:all .28s ease;clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,10px 100%,0 calc(100% - 10px));text-decoration:none}
.news-card:hover{border-color:var(--c-primary);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.news-card-date{flex-shrink:0;width:56px;height:44px;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:800;font-size:.95rem;border-radius:4px}
.news-card-title{font-size:.95rem;font-weight:600;color:var(--c-text);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media (max-width:768px){.news-2col{grid-template-columns:1fr}.news-card{flex-direction:column;align-items:flex-start;gap:10px}}

/* ===== 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}
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