/* ============================================================
   南通 · 江海韵 — 设计系统 (nantong_design_river)
   主色: #1a5276 深青蓝 | 辅色: #148f77 江海绿 | 点缀: #d4ac0d 暖金
   视觉语言: 江海渐变 + 纺织纹理 + 港口几何感
   ============================================================ */

/* --- CSS 变量 (Design Tokens) --- */
:root {
  --brand: #1a5276;
  --brand-dark: #0e2f47;
  --brand-light: #2471a3;
  --accent: #148f77;
  --accent-light: #1abc9c;
  --accent-dark: #0e6655;
  --gold: #d4ac0d;
  --gold-light: #f1c40f;
  --bg: #f8fafb;
  --bg-alt: #edf2f7;
  --surface: #ffffff;
  --text: #1a202c;
  --text-secondary: #4a5568;
  --text-soft: #718096;
  --text-faint: #a0aec0;
  --border: #e2e8f0;
  --border-light: #edf2f7;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 3px rgba(26,82,118,.08);
  --shadow-md: 0 4px 14px rgba(26,82,118,.10);
  --shadow-lg: 0 10px 35px rgba(26,82,118,.12);
  --shadow-hover: 0 16px 45px rgba(20,143,119,.18);
  --font-display: 'Noto Serif SC','Source Han Serif SC','STSong',serif;
  --font-body: -apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --font-mono: 'SF Mono',SFMono-Regular,Consolas,'Liberation Mono',Menlo,monospace;
  --transition: .25s cubic-bezier(.4,0,.2,1);
  --transition-slow: .45s cubic-bezier(.4,0,.2,1);
  --max-w: 1220px;
  --nav-h: 70px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--brand); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }
h1 { font-size: clamp(1.85rem, 4vw, 2.75rem); font-family: var(--font-display); }
h2 { font-size: clamp(1.45rem, 3vw, 2rem); font-family: var(--font-display); }
h3 { font-size: clamp(1.15rem, 2vw, 1.45rem); }
p { margin-bottom: 1em; color: var(--text-secondary); }
::selection { background: var(--accent); color: #fff; }

/* --- Layout Utilities --- */
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; position: relative; }
.section--alt { background: var(--bg-alt); }
.section--dark { background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand) 60%, #1a6a8a 100%); color: #fff; }
.section--dark h2, .section--dark h3, .section--dark p { color: rgba(255,255,255,.9); }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.text-center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* --- Header & Navigation --- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border-light);
  transition: box-shadow var(--transition), background var(--transition);
}
.site-header.scrolled { box-shadow: 0 2px 20px rgba(26,82,118,.10); }
.header-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 800;
  color: var(--brand); text-decoration: none;
}
.logo svg { width: 36px; height: 36px; flex-shrink: 0; }

/* Main Navigation — 7 items (§1.3.5) */
.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  display: flex; align-items: center; gap: 4px;
  padding: 8px 16px; font-size: 15px; font-weight: 500;
  color: var(--text); text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  height: 44px; line-height: 1;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.is-active { color: var(--brand); background: rgba(26,82,118,.06); }
.nav-link.is-active { color: var(--brand); font-weight: 600; }
.nav-arrow { font-size: 11px; transition: transform var(--transition); opacity: .6; }
.nav-item:hover > .nav-arrow { transform: rotate(180deg); opacity: 1; }

/* Dropdown */
.dropdown-menu {
  position: absolute; top: calc(var(--nav-h) - 2px); left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 200px; background: var(--surface);
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  padding: 8px 0; opacity: 0; visibility: hidden;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  border: 1px solid var(--border-light);
  z-index: 999;
}
.nav-item:hover > .dropdown-menu,
.nav-item:focus-within > .dropdown-menu {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.dropdown-menu a {
  display: block; padding: 10px 20px; font-size: 14px; color: var(--text-secondary);
  transition: color var(--transition), background var(--transition);
}
.dropdown-menu a:hover { color: var(--accent); background: rgba(20,143,119,.05); }

/* Mobile Toggle */
.mobile-toggle {
  display: none; background: none; border: none; cursor: pointer;
  padding: 8px; color: var(--text); z-index: 1001;
}
.mobile-toggle svg { width: 26px; height: 26px; }

/* --- Hero Section (三屏轮播) --- */
.hero {
  position: relative; min-height: 680px; margin-top: var(--nav-h);
  overflow: hidden; background: var(--brand-dark);
}
.hero__slider { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__slide {
  position: absolute; inset: 0; opacity: 0; z-index: 1;
  display: flex; align-items: center;
  transition: opacity 1s ease-in-out;
}
.hero__slide.active { opacity: 1; z-index: 2; }
.no-js .hero__slide { position: relative; opacity: 1; }
.no-js .hero__slide:not(:first-child) { display: none; }

.hero__bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center;
}
.hero__overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(135deg, rgba(14,47,71,.92) 0%, rgba(26,82,118,.78) 50%, rgba(20,143,119,.55) 100%);
}
.hero__content {
  position: relative; z-index: 2;
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  width: 100%;
}
.hero__badge {
  display: inline-block; padding: 6px 16px; border-radius: 20px;
  font-size: 13px; font-weight: 600; letter-spacing: .5px;
  background: rgba(212,172,13,.18); color: var(--gold-light);
  border: 1px solid rgba(212,172,13,.35);
  margin-bottom: 20px;
  animation: fadeSlideUp .6s ease-out both;
}
.hero__title {
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  color: #fff; font-family: var(--font-display);
  line-height: 1.2; margin-bottom: 18px;
  animation: fadeSlideUp .6s ease-out .15s both;
}
.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255,255,255,.78); max-width: 560px;
  margin-bottom: 32px; line-height: 1.6;
  animation: fadeSlideUp .6s ease-out .3s both;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; animation: fadeSlideUp .6s ease-out .45s both; }

/* Hero Dots */
.hero__dots {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 10px; z-index: 5;
}
.hero__dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: rgba(255,255,255,.3); border: 2px solid rgba(255,255,255,.5);
  cursor: pointer; transition: all var(--transition);
}
.hero__dot.active { background: var(--gold-light); border-color: var(--gold-light); transform: scale(1.2); }

/* Decorative wave */
.hero__wave {
  position: absolute; bottom: -2px; left: 0; right: 0; z-index: 3;
  line-height: 0; overflow: hidden;
}
.hero__wave svg { width: 100%; height: 60px; }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px; font-size: 15px; font-weight: 600;
  border-radius: var(--radius-sm); border: 2px solid transparent;
  cursor: pointer; transition: all var(--transition);
  text-decoration: none; line-height: 1; position: relative; overflow: hidden;
}
.btn--primary {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.btn--primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn--outline {
  background: transparent; color: #fff; border-color: rgba(255,255,255,.5);
}
.btn--outline:hover { background: rgba(255,255,255,.1); border-color: #fff; color: #fff; transform: translateY(-2px); }
.btn--white { background: #fff; color: var(--brand); border-color: #fff; }
.btn--white:hover { background: var(--surface); transform: translateY(-2px); box-shadow: var(--shadow-md); color: var(--brand); }
.btn--sm { padding: 8px 20px; font-size: 13px; }
.btn--lg { padding: 16px 38px; font-size: 16px; }

/* Button ripple effect */
.btn .btn__ripple {
  position: absolute; border-radius: 50%;
  background: rgba(255,255,255,.3);
  transform: scale(0); pointer-events: none;
  animation: btnRipple .6s ease-out;
}
@keyframes btnRipple { to { transform: scale(4); opacity: 0; } }

/* --- Trust Stats Bar --- */
.stats-bar {
  background: var(--surface);
  padding: 48px 0; margin-top: -30px; position: relative; z-index: 10;
  border-radius: var(--radius-lg); max-width: calc(var(--max-w) + 48px);
  margin-left: auto; margin-right: auto; box-shadow: var(--shadow-lg);
}
.stats-bar__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  text-align: center;
}
.stats-bar__item { padding: 16px; }
.stats-bar__num {
  font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800;
  color: var(--brand); font-family: var(--font-display);
  line-height: 1.1;
}
.stats-bar__num .counter-suffix { font-size: .55em; color: var(--gold); font-weight: 700; }
.stats-bar__label {
  font-size: 14px; color: var(--text-soft); margin-top: 6px;
  font-weight: 500;
}

/* --- Section Headers --- */
.section-header { text-align: center; margin-bottom: 48px; }
.section-header__tag {
  display: inline-block; font-size: 13px; font-weight: 600;
  color: var(--accent); text-transform: uppercase; letter-spacing: 2px;
  margin-bottom: 10px;
}
.section-header h2 { margin-bottom: 12px; }
.section-header p { max-width: 600px; margin: 0 auto; color: var(--text-soft); }
.section-header--light .section-header__tag { color: var(--gold-light); }
.section-header--light h2 { color: #fff; }
.section-header--light p { color: rgba(255,255,255,.7); }

/* --- Business Cards (核心业务卡) --- */
.biz-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.biz-card {
  background: var(--surface); border-radius: var(--radius-md);
  padding: 32px 26px; border: 1px solid var(--border-light);
  transition: all var(--transition-slow); position: relative; overflow: hidden;
}
.biz-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition-slow);
}
.biz-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-hover);
  border-color: transparent;
}
.biz-card:hover::before { transform: scaleX(1); }
.biz-card__icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(26,82,118,.08), rgba(20,143,119,.08));
  margin-bottom: 18px; color: var(--brand);
}
.biz-card__icon svg { width: 26px; height: 26px; }
.biz-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.biz-card p { font-size: 14px; color: var(--text-soft); margin-bottom: 18px; line-height: 1.6; }
.biz-card__link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 600; color: var(--accent);
  transition: gap var(--transition);
}
.biz-card__link:hover { gap: 10px; color: var(--accent-dark); }
.biz-card__link svg { width: 16px; height: 16px; transition: transform var(--transition); }
.biz-card__link:hover svg { transform: translateX(3px); }

/* --- Process / Service Flow (服务流程) --- */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.process-step {
  text-align: center; padding: 32px 20px; position: relative;
}
.process-step__num {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: #fff; font-size: 1.3rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px; font-family: var(--font-display);
  box-shadow: 0 4px 15px rgba(26,82,118,.25);
  position: relative; z-index: 2;
}
.process-step h4 { margin-bottom: 10px; font-size: 1.05rem; }
.process-step p { font-size: 14px; color: var(--text-soft); }
/* Connector lines between steps */
.process-step:not(:last-child)::after {
  content: '';
  position: absolute; top: 58px; right: -12px;
  width: 24px; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--border));
}

/* --- Articles List (最新资讯) --- */
.articles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card {
  background: var(--surface); border-radius: var(--radius-md);
  overflow: hidden; border: 1px solid var(--border-light);
  transition: all var(--transition);
}
.article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.article-card__thumb {
  height: 180px; background: linear-gradient(135deg, var(--brand-light), var(--accent));
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.article-card__thumb svg { width: 48px; height: 48px; color: rgba(255,255,255,.3); }
.article-card__body { padding: 22px; }
.article-card__meta {
  display: flex; align-items: center; gap: 12px;
  font-size: 12px; color: var(--text-faint); margin-bottom: 10px;
}
.article-card__cat {
  background: rgba(20,143,119,.08); color: var(--accent);
  padding: 2px 10px; border-radius: 10px; font-weight: 500;
}
.article-card h4 {
  font-size: 1rem; font-weight: 600; line-height: 1.45;
  margin-bottom: 8px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.article-card h4 a { color: var(--text); }
.article-card h4 a:hover { color: var(--accent); }
.article-card__desc {
  font-size: 13px; color: var(--text-faint); line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--brand) 0%, var(--accent-dark) 100%);
  padding: 72px 0; text-align: center; position: relative; overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta-section h2 { color: #fff; margin-bottom: 14px; }
.cta-section p { color: rgba(255,255,255,.75); max-width: 520px; margin: 0 auto 30px; font-size: 1.05rem; }
.cta-section .btn { margin: 0 8px; }

/* --- Page Hero (内页头部) --- */
.page-hero {
  margin-top: var(--nav-h); padding: 72px 0 56px;
  background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand) 55%, #1a7a9a 100%);
  position: relative; overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 80px;
  background: linear-gradient(to top, var(--bg), transparent);
}
.page-hero h1 { color: #fff; margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,.7); max-width: 600px; }

/* Breadcrumb — 深色区浅色文字 (§1.4 v4.2 强制) */
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; margin-bottom: 16px; flex-wrap: wrap;
  color: rgba(255,255,255,.68);
}
.breadcrumb a { color: rgba(255,255,255,.78); text-decoration: none; transition: color var(--transition); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { color: rgba(255,255,255,.45); }

/* --- Footer --- */
.site-footer {
  background: linear-gradient(180deg, var(--brand-dark) 0%, #091c2b 100%);
  color: rgba(255,255,255,.7); padding: 64px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px;
  padding-bottom: 48px;
}
footer h4 {
  color: #fff; font-size: 15px; font-weight: 600;
  margin-bottom: 18px; position: relative; padding-bottom: 10px;
}
footer h4::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 32px; height: 2px;
  background: var(--gold); border-radius: 1px;
}
footer .about-text { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.6); }
footer ul li { margin-bottom: 10px; }
footer ul a {
  color: rgba(255,255,255,.6); font-size: 14px; transition: color var(--transition);
}
footer ul a:hover { color: var(--gold-light); }
footer .contact-item {
  display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px;
  font-size: 14px; color: rgba(255,255,255,.6);
}
footer .contact-item svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0; text-align: center; font-size: 13px;
  color: rgba(255,255,255,.4);
}

/* --- Floating Service (悬浮客服) --- */
.float-service {
  position: fixed; right: 24px; bottom: 32px; z-index: 998;
  display: flex; flex-direction: column; gap: 10px; align-items: flex-end;
}
.float-service__btn {
  width: 54px; height: 54px; border-radius: 50%;
  background: var(--accent); color: #fff; border: none;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; box-shadow: 0 4px 20px rgba(20,143,119,.35);
  transition: all var(--transition); position: relative;
}
.float-service__btn:hover { transform: scale(1.08); background: var(--accent-dark); }
.float-service__btn svg { width: 24px; height: 24px; }
.float-service__panel {
  position: absolute; bottom: 0; right: 64px;
  background: var(--surface); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); padding: 16px; min-width: 220px;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all var(--transition); border: 1px solid var(--border-light);
}
.float-service__btn:hover + .float-service__panel,
.float-service__panel:hover { opacity: 1; visibility: visible; transform: translateY(0); }
.float-service__panel h5 { font-size: 14px; margin-bottom: 10px; color: var(--text); }
.float-service__panel p { font-size: 13px; color: var(--text-soft); margin-bottom: 8px; }
.float-service__tel { font-size: 16px; font-weight: 700; color: var(--brand); }

/* --- Cases Grid --- */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.case-card {
  background: var(--surface); border-radius: var(--radius-md);
  overflow: hidden; border: 1px solid var(--border-light);
  transition: all var(--transition-slow);
}
.case-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.case-card__cover {
  height: 210px; background: linear-gradient(135deg, var(--brand), var(--accent));
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.case-card__cover svg { width: 56px; height: 56px; color: rgba(255,255,255,.25); }
.case-card__body { padding: 24px; }
.case-card__tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.case-card__tag {
  font-size: 11px; padding: 3px 10px; border-radius: 10px;
  background: rgba(26,82,118,.06); color: var(--brand); font-weight: 500;
}
.case-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.case-card h3 a { color: var(--text); }
.case-card h3 a:hover { color: var(--accent); }
.case-card__client { font-size: 13px; color: var(--text-faint); }
.case-card__results {
  margin-top: 14px; padding-top: 14px;
  border-top: 1px solid var(--border-light);
  font-size: 13px; color: var(--accent); font-weight: 600;
}

/* --- Detail Page --- */
.detail-body { max-width: 820px; margin: 0 auto; }
.detail-meta {
  display: flex; align-items: center; gap: 20px;
  padding: 16px 0; border-bottom: 1px solid var(--border-light);
  margin-bottom: 28px; font-size: 14px; color: var(--text-faint);
}
.detail-content { font-size: 16px; line-height: 1.85; color: var(--text-secondary); }
.detail-content h2, .detail-content h3 { margin: 28px 0 12px; color: var(--text); }
.detail-content p { margin-bottom: 16px; }
.detail-nav {
  display: flex; justify-content: space-between; gap: 20px;
  margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--border-light);
}
.detail-nav a {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 14px; color: var(--text-secondary); max-width: 45%;
}
.detail-nav a:hover { color: var(--accent); }
.detail-nav strong { color: var(--text); font-weight: 600; }

/* --- Pagination --- */
.pagination {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-top: 40px;
}
.pagination a, .pagination span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 38px; height: 38px; padding: 0 12px;
  border-radius: var(--radius-sm); font-size: 14px;
  border: 1px solid var(--border-light); color: var(--text-secondary);
  transition: all var(--transition); text-decoration: none;
}
.pagination a:hover { border-color: var(--accent); color: var(--accent); }
.pagination .active {
  background: var(--accent); color: #fff; border-color: var(--accent);
  font-weight: 600;
}
.pagination .disabled { opacity: .4; cursor: not-allowed; }

/* --- Sidebar --- */
.sidebar { }
.sidebar-widget {
  background: var(--surface); border-radius: var(--radius-md);
  padding: 24px; border: 1px solid var(--border-light); margin-bottom: 24px;
}
.sidebar-widget h4 { font-size: 15px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid var(--accent); }
.sidebar-widget ul li { margin-bottom: 8px; }
.sidebar-widget ul a {
  display: block; padding: 8px 12px; font-size: 14px; color: var(--text-secondary);
  border-radius: var(--radius-sm); transition: all var(--transition);
}
.sidebar-widget ul a:hover, .sidebar-widget ul a.active {
  background: rgba(20,143,119,.06); color: var(--accent);
}

/* --- Contact Form --- */
.contact-form { max-width: 640px; margin: 0 auto; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--text);
}
.form-control {
  width: 100%; padding: 12px 16px; font-size: 15px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  font-family: var(--font-body);
}
.form-control:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(20,143,119,.12); }
textarea.form-control { min-height: 140px; resize: vertical; }

/* Flash messages */
.flash-msg {
  padding: 14px 20px; border-radius: var(--radius-sm); margin-bottom: 20px;
  font-size: 14px;
}
.flash-msg--ok { background: rgba(20,143,119,.08); color: var(--accent-dark); border: 1px solid rgba(20,143,119,.2); }
.flash-msg--err { background: rgba(214,48,49,.06); color: #c0392b; border: 1px solid rgba(214,48,49,.2); }

/* --- Search / Tag / Empty State --- */
.empty-state {
  text-align: center; padding: 72px 24px;
}
.empty-state svg { width: 80px; height: 80px; color: var(--text-faint); margin-bottom: 20px; }
.empty-state h3 { margin-bottom: 8px; color: var(--text-soft); }
.empty-state p { color: var(--text-faint); }

/* --- County Page --- */
 county-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* --- 404 Page --- */
.error-page {
  text-align: center; padding: 120px 24px;
}
.error-code {
  font-size: clamp(5rem, 12vw, 10rem); font-weight: 900;
  font-family: var(--font-display); color: var(--brand);
  line-height: 1; opacity: .15;
}
.error-page h2 { margin: 16px 0 12px; }
.error-page p { color: var(--text-soft); margin-bottom: 28px; }

/* --- Sitemap --- */
.sitemap-list { columns: 3; column-gap: 40px; }
.sitemap-list li { break-inside: avoid; margin-bottom: 10px; }
.sitemap-list a { font-size: 14px; color: var(--text-secondary); }
.sitemap-list a:hover { color: var(--accent); }

/* --- Animations / 动效 (§2.4 至少4种) --- */

/* 1. Scroll Reveal (滚动入场) */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity .7s ease-out, transform .7s ease-out;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal--delay-1 { transition-delay: .1s; }
.reveal--delay-2 { transition-delay: .2s; }
.reveal--delay-3 { transition-delay: .3s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* 2. CountUp 数字滚动 */
.counter-value { font-variant-numeric: tabular-nums; }

/* 3. Card hover 微交互 (已在 biz-card/article-card/case-card 定义) */

/* 4. Button 光斑交互反馈 */
.btn--ripple-effect {
  position: relative; overflow: hidden;
}
.btn--ripple-effect::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at var(--rx, 50%) var(--ry, 50%), rgba(255,255,255,.25) 0%, transparent 70%);
  opacity: 0; transition: opacity var(--transition);
}
.btn--ripple-effect:hover::after { opacity: 1; }

/* 5. Stagger 错峰入场 */
.stagger-in > * {
  opacity: 0; transform: translateY(16px);
  animation: staggerFadeIn .5s ease-out forwards;
}
.stagger-in > *:nth-child(1) { animation-delay: 0s; }
.stagger-in > *:nth-child(2) { animation-delay: .08s; }
.stagger-in > *:nth-child(3) { animation-delay: .16s; }
.stagger-in > *:nth-child(4) { animation-delay: .24s; }
.stagger-in > *:nth-child(5) { animation-delay: .32s; }
.stagger-in > *:nth-child(6) { animation-delay: .4s; }
.stagger-in > *:nth-child(7) { animation-delay: .48s; }
.stagger-in > *:nth-child(8) { animation-delay: .56s; }
@keyframes staggerFadeIn { to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) {
  .stagger-in > * { opacity: 1; transform: none; animation: none; }
}

/* 6. Text逐字浮现 (hero用) */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 7. 图标微动效 */
.biz-card:hover .biz-card__icon {
  transform: scale(1.08) rotate(-3deg);
  background: linear-gradient(135deg, rgba(26,82,118,.14), rgba(20,143,119,.14));
  transition: transform var(--transition-slow), background var(--transition-slow);
}

/* --- Responsive (移动端 4→2→1) --- */
@media (max-width: 1024px) {
  .biz-cards, .process-steps { grid-template-columns: repeat(2, 1fr); }
  .articles-grid, .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-bar__grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .sitemap-list { columns: 2; }
}
@media (max-width: 768px) {
  :root { --nav-h: 60px; }
  .main-nav {
    display: none; position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0;
    background: var(--surface); flex-direction: column; padding: 24px;
    overflow-y: auto; z-index: 999;
  }
  .main-nav.open { display: flex; }
  .nav-link { width: 100%; padding: 14px 0; font-size: 17px; height: auto; border-bottom: 1px solid var(--border-light); }
  .dropdown-menu { position: static; transform: none; box-shadow: none; border: none; opacity: 1; visibility: visible;
    display: none; background: var(--bg-alt); border-radius: var(--radius-sm); margin-top: 8px; }
  .nav-item.open > .dropdown-menu { display: block; }
  .mobile-toggle { display: block; }
  .hero { min-height: 540px; }
  .hero__title { font-size: clamp(1.75rem, 6vw, 2.4rem); }
  .biz-cards, .process-steps, .articles-grid, .cases-grid { grid-template-columns: 1fr; }
  .stats-bar__grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 52px 0; }
  .page-hero { padding: 52px 0 40px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .float-service { right: 14px; bottom: 20px; }
  .detail-nav { flex-direction: column; }
  .detail-nav a { max-width: 100%; }
  .sitemap-list { columns: 1; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { justify-content: center; }
  /* Hide connector on mobile */
  .process-step::after { display: none; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .stats-bar__grid { grid-template-columns: 1fr; }
  .stats-bar { margin-top: -16px; border-radius: var(--radius-md); }
  .biz-card { padding: 24px 18px; }
  .cta-section .btn { margin: 6px 0; display: block; }
}

/* ===== 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}}