.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
/* === CSS Variables / Design Tokens === */
:root {
  /* -- Primary Palette -- */
  --color-primary-50:  #eff6ff;
  --color-primary-100: #dbeafe;
  --color-primary-200: #bfdbfe;
  --color-primary-300: #93c5fd;
  --color-primary-400: #60a5fa;
  --color-primary-500: #3b82f6;
  --color-primary-600: #2563eb;
  --color-primary-700: #1d4ed8;
  --color-primary-800: #1e40af;
  --color-primary-900: #1e3a8a;

  /* -- Neutral Palette -- */
  --color-gray-50:  #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;

  /* -- Semantic Colors -- */
  --color-accent:       #f59e0b;  /* amber-500 */
  --color-accent-light: #fef3c7;
  --color-success:      #10b981;
  --color-warning:      #f59e0b;
  --color-error:        #ef4444;
  --color-info:         #06b6d4;

  /* -- Typography -- */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;

  /* -- Spacing -- */
  --spacing-xs:  0.25rem;
  --spacing-sm:  0.5rem;
  --spacing-md:  1rem;
  --spacing-lg:  1.5rem;
  --spacing-xl:  2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* -- Layout -- */
  --max-width:      1200px;
  --sidebar-width:  320px;
  --header-height:  72px;
  --border-radius:  8px;
  --border-radius-lg: 12px;

  /* -- Shadows -- */
  --shadow-sm:  0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md:  0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg:  0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl:  0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* -- Transitions -- */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  --text-light: #94a3b8;
  --transition: all 0.3s ease;
  --text: #1e293b;
  --primary: #2563eb;
  --bg: #f8fafc;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}



/* === Professional Base Styles === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-gray-700);
  background: var(--color-gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary-600); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary-700); }
ul, ol { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }

/* === Container === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* === Section Title === */
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}
.section-title h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-sm);
  position: relative;
  display: inline-block;
}
.section-title h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-400));
  border-radius: 2px;
  margin: var(--spacing-sm) auto 0;
}
.section-title p {
  color: var(--color-gray-500);
  font-size: 1.05rem;
  max-width: 640px;
  margin: var(--spacing-sm) auto 0;
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  background: #fff;
  border-bottom: 1px solid var(--color-gray-200);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}
.header-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  flex-shrink: 0;
}
.header-logo img { height: 40px; width: auto; }
.header-logo-text { font-size: 1.25rem; font-weight: 700; color: var(--color-primary-800); }

/* -- Top Bar (above nav) -- */
.top-bar {
  background: var(--color-primary-900);
  color: rgba(255,255,255,0.85);
  font-size: 0.875rem;
  padding: 6px 0;
}
.top-bar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.top-bar-left { display: flex; align-items: center; gap: var(--spacing-lg); }
.top-bar-left span { display: inline-flex; align-items: center; gap: 4px; }
.top-bar-right { display: flex; align-items: center; gap: var(--spacing-md); }
.top-bar-right a { color: rgba(255,255,255,0.85); font-size: 0.875rem; }
.top-bar-right a:hover { color: #fff; }

/* -- Nav -- */
.header-nav { display: flex; align-items: center; gap: 2px; }
.header-nav > li { position: relative; }
.header-nav > li > a {
  display: block;
  padding: 6px 12px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-700);
  border-radius: 6px;
  transition: all var(--transition-fast);
  position: relative;
}
.header-nav > li > a:hover,
.header-nav > li.active > a {
  color: var(--color-primary-600);
  background: var(--color-primary-50);
}
.header-nav > li.has-children > a::after {
  content: '';
  display: inline-block;
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  margin-left: 4px;
  vertical-align: middle;
}

/* -- Sub Nav (category dropdown) -- */
.header-nav > li:hover .sub-nav { display: block; }
.sub-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 150px;
  background: #fff;
  border: 1px solid var(--color-gray-200);
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  padding: 8px 0;
  z-index: 200;
  margin-top: 4px;
}
.sub-nav::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0; height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 6px solid #fff;
  filter: drop-shadow(0 -2px 2px rgba(0,0,0,0.05));
}
.sub-nav li a {
  display: block;
  padding: 8px 20px;
  font-size: 0.875rem;
  color: var(--color-gray-600);
  white-space: nowrap;
  transition: all var(--transition-fast);
}
.sub-nav li a:hover {
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  font-weight: 500;
}

/* -- Header Search -- */
.header-search {
  display: flex;
  align-items: center;
  border-radius: 50%;
  width: 38px;
  height: 38px;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.header-search:hover { background: var(--color-gray-100); }
.header-search button {
  color: var(--color-gray-500);
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: none;
  border: none;
  cursor: pointer;
}

/* -- Mobile Nav Toggle -- */
.nav-toggle { display: none; font-size: 1.5rem; color: var(--color-gray-700); padding: 4px; }
@media (max-width: 1024px) {
  .nav-toggle { display: block; }
  .header-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0; right: 0;
    background: #fff;
    border-bottom: 2px solid var(--color-gray-200);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
  }
  .header-nav.open { display: flex; }
  .header-nav > li > a { padding: 10px 14px; font-size: 0.9375rem; }
  .dropdown-menu { position: static; box-shadow: none; border: none; padding-left: 16px; }
  .header-search { display: none; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-400);
  padding: var(--spacing-3xl) 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr) 1.2fr;
  gap: var(--spacing-2xl);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}
.footer-col h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: var(--spacing-lg);
  position: relative;
  padding-bottom: var(--spacing-sm);
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-primary-500);
}
.footer-col ul li { margin-bottom: var(--spacing-sm); }
.footer-col ul li a {
  color: var(--color-gray-400);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}
.footer-col ul li a:hover { color: #fff; }
.footer-about p { line-height: 1.8; font-size: 0.9375rem; }
.footer-contact p { display: flex; align-items: flex-start; gap: 8px; margin-bottom: var(--spacing-sm); font-size: 0.9375rem; }
.footer-contact p svg { flex-shrink: 0; margin-top: 3px; }
.footer-bottom {
  border-top: 1px solid var(--color-gray-800);
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-lg) 0;
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-gray-500);
}
.footer-bottom a { color: var(--color-gray-400); }
.footer-bottom a:hover { color: #fff; }

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  background: #fff;
  border-bottom: 1px solid var(--color-gray-100);
  padding: 12px 0;
}
.breadcrumb-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-gray-500);
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
}
.breadcrumb a { color: var(--color-gray-500); }
.breadcrumb a:hover { color: var(--color-primary-600); }
.breadcrumb span { color: var(--color-gray-400); }

/* ============================================================
   HERO BANNER
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--color-primary-800) 0%, var(--color-primary-600) 50%, #0891b2 100%);
  color: #fff;
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%; left: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  position: relative;
  z-index: 1;
}
.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  max-width: 700px;
}
.hero h1 .highlight { color: var(--color-accent); }
.hero p {
  font-size: 1.125rem;
  opacity: 0.9;
  max-width: 600px;
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
}
.hero-btns { display: flex; gap: var(--spacing-md); flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
  border: none;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
}
.btn-primary:hover { background: #e8940a; transform: translateY(-1px); color: #fff; }
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; color: #fff; }
.btn-sm { padding: 8px 16px; font-size: 0.875rem; border-radius: 6px; }
.btn-lg { padding: 16px 36px; font-size: 1.125rem; border-radius: 10px; }
.btn-white {
  background: #fff;
  color: var(--color-primary-700);
  box-shadow: var(--shadow-sm);
}
.btn-white:hover { background: var(--color-gray-50); color: var(--color-primary-800); }

/* -- Hero Stats -- */
.hero-stats {
  display: flex;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
  flex-wrap: wrap;
}
.hero-stat {
  text-align: center;
  padding: var(--spacing-md) var(--spacing-lg);
  background: rgba(255,255,255,0.1);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(4px);
}
.hero-stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1.2;
}
.hero-stat-num small { font-size: 1.25rem; }
.hero-stat-label { font-size: 0.875rem; opacity: 0.85; margin-top: 4px; }

@media (max-width: 768px) {
  .hero { padding: var(--spacing-2xl) 0; }
  .hero h1 { font-size: 1.75rem; }
  .hero-stats { gap: var(--spacing-md); }
  .hero-stat-num { font-size: 1.5rem; }
}

/* ============================================================
   HOT SEARCH BAR
   ============================================================ */
.hot-search {
  background: #fff;
  border-bottom: 1px solid var(--color-gray-100);
  padding: 10px 0;
}
.hot-search-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 0.875rem;
}
.hot-search-label {
  color: var(--color-error);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.hot-search-tags { display: flex; gap: 10px; flex-wrap: wrap; }
.hot-search-tags a {
  padding: 3px 14px;
  background: var(--color-gray-100);
  border-radius: 20px;
  color: var(--color-gray-600);
  font-size: 0.8125rem;
  transition: all var(--transition-fast);
}
.hot-search-tags a:hover { background: var(--color-primary-50); color: var(--color-primary-600); }

/* ============================================================
   SERVICE CARDS
   ============================================================ */
.service-section { padding: var(--spacing-3xl) 0; background: #fff; }
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--spacing-lg);
}
.service-card {
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 0;
  background: var(--color-primary-500);
  transition: height var(--transition-slow);
}
.service-card:hover {
  border-color: var(--color-primary-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.service-card:hover::before { height: 100%; }
.service-card-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
  color: #fff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  margin-bottom: var(--spacing-md);
}
.service-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-sm);
}
.service-card p {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}
.service-card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.service-card-links a {
  display: inline-block;
  padding: 3px 12px;
  background: #fff;
  border: 1px solid var(--color-gray-200);
  border-radius: 20px;
  font-size: 0.8125rem;
  color: var(--color-gray-600);
  transition: all var(--transition-fast);
}
.service-card-links a:hover { background: var(--color-primary-50); color: var(--color-primary-600); border-color: var(--color-primary-300); }

/* ============================================================
   ADVANTAGE / WHY US
   ============================================================ */
.advantage-section { padding: var(--spacing-3xl) 0; background: var(--color-gray-50); }
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--spacing-xl);
}
.advantage-card {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-xl);
  background: #fff;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition-normal);
}
.advantage-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.advantage-card-num {
  width: 48px; height: 48px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
}
.advantage-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-sm);
}
.advantage-card p { font-size: 0.9375rem; color: var(--color-gray-500); line-height: 1.8; }

/* ============================================================
   STAT COUNTER
   ============================================================ */
.counter-section {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, var(--color-primary-800), var(--color-primary-600));
  color: #fff;
}
.counter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  text-align: center;
}
.counter-item { padding: var(--spacing-lg); }
.counter-num { font-size: 2.5rem; font-weight: 800; color: var(--color-accent); line-height: 1.2; }
.counter-num small { font-size: 1.5rem; }
.counter-label { font-size: 1rem; opacity: 0.85; margin-top: 8px; }

/* ============================================================
   NEWS SECTION
   ============================================================ */
.news-section { padding: var(--spacing-3xl) 0; background: #fff; }
.news-section .container { display: grid; grid-template-columns: 1fr var(--sidebar-width); gap: var(--spacing-2xl); }

.news-list { }
.news-item {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--color-gray-100);
  transition: all var(--transition-fast);
}
.news-item:hover { background: var(--color-gray-50); border-radius: 8px; }
.news-item-thumb {
  width: 200px;
  height: 140px;
  flex-shrink: 0;
  border-radius: var(--border-radius);
  overflow: hidden;
  background: var(--color-gray-200);
}
.news-item-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.news-item:hover .news-item-thumb img { transform: scale(1.05); }
.news-item-body { flex: 1; min-width: 0; }
.news-item-body h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-item-body h3 a { color: inherit; }
.news-item-body h3 a:hover { color: var(--color-primary-600); }
.news-item-desc {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  line-height: 1.7;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-item-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 0.8125rem;
  color: var(--color-gray-400);
}
.news-item-meta span { display: inline-flex; align-items: center; gap: 4px; }

@media (max-width: 768px) {
  .news-item { flex-direction: column; }
  .news-item-thumb { width: 100%; height: 180px; }
  .news-section .container { grid-template-columns: 1fr; }
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar { }
.sidebar-widget {
  background: var(--color-gray-50);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  border: 1px solid var(--color-gray-100);
}
.sidebar-widget h4 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary-200);
}
.sidebar-widget ul li { margin-bottom: 8px; }
.sidebar-widget ul li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9375rem;
  color: var(--color-gray-600);
  padding: 6px 0;
  transition: color var(--transition-fast);
}
.sidebar-widget ul li a:hover { color: var(--color-primary-600); }
.sidebar-widget ul li a .count {
  font-size: 0.75rem;
  color: var(--color-gray-400);
  background: var(--color-gray-200);
  padding: 1px 8px;
  border-radius: 10px;
}

/* -- sidebar tag cloud -- */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a {
  display: inline-block;
  padding: 4px 14px;
  background: #fff;
  border: 1px solid var(--color-gray-200);
  border-radius: 20px;
  font-size: 0.8125rem;
  color: var(--color-gray-600);
  transition: all var(--transition-fast);
}
.tag-cloud a:hover { background: var(--color-primary-50); color: var(--color-primary-600); border-color: var(--color-primary-300); }

/* -- sidebar hot articles -- */
.hot-article-item {
  display: flex;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-gray-200);
}
.hot-article-item:last-child { border-bottom: none; }
.hot-article-rank {
  width: 24px; height: 24px;
  background: var(--color-gray-300);
  color: #fff;
  border-radius: 4px;
  text-align: center;
  line-height: 24px;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}
.hot-article-item:nth-child(1) .hot-article-rank { background: var(--color-error); }
.hot-article-item:nth-child(2) .hot-article-rank { background: var(--color-accent); }
.hot-article-item:nth-child(3) .hot-article-rank { background: var(--color-info); }
.hot-article-item a {
  font-size: 0.875rem;
  color: var(--color-gray-700);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hot-article-item a:hover { color: var(--color-primary-600); }

/* ============================================================
   ARTICLE DETAIL
   ============================================================ */
.detail-section { padding: var(--spacing-2xl) 0; background: #fff; }
.detail-section .container { display: grid; grid-template-columns: 1fr var(--sidebar-width); gap: var(--spacing-2xl); }
.article-detail { }
.article-header { margin-bottom: var(--spacing-xl); padding-bottom: var(--spacing-lg); border-bottom: 1px solid var(--color-gray-100); }
.article-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-gray-900);
  line-height: 1.5;
  margin-bottom: var(--spacing-md);
}
.article-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  row-gap: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--color-gray-400);
  flex-wrap: wrap;
}
.article-meta span { display: inline-flex; align-items: center; gap: 4px; }
.article-tags { margin-top: var(--spacing-sm); display: flex; gap: 8px; flex-wrap: wrap; }
.article-tags a {
  display: inline-block;
  padding: 2px 12px;
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  border-radius: 20px;
  font-size: 0.8125rem;
}
.article-content {
  font-size: 1.0625rem;
  line-height: 2;
  color: var(--color-gray-700);
}
.article-content h2 { font-size: 1.375rem; font-weight: 600; color: var(--color-gray-900); margin: var(--spacing-xl) 0 var(--spacing-md); }
.article-content h3 { font-size: 1.125rem; font-weight: 600; color: var(--color-gray-900); margin: var(--spacing-lg) 0 var(--spacing-sm); }
.article-content p { margin-bottom: var(--spacing-md); }
.article-content img { border-radius: var(--border-radius); margin: var(--spacing-md) 0; }
.article-content ul, .article-content ol { padding-left: var(--spacing-xl); margin-bottom: var(--spacing-md); }
.article-content ul li { list-style: disc; margin-bottom: 4px; }
.article-content ol li { list-style: decimal; margin-bottom: 4px; }
.article-content blockquote {
  border-left: 4px solid var(--color-primary-400);
  background: var(--color-primary-50);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-md) 0;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  color: var(--color-gray-600);
}
.article-nav {
  display: flex;
  justify-content: space-between;
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-gray-100);
  font-size: 0.9375rem;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}
.article-nav a { color: var(--color-gray-600); }
.article-nav a:hover { color: var(--color-primary-600); }
.article-nav .prev, .article-nav .next { max-width: 48%; }

@media (max-width: 768px) {
  .detail-section .container { grid-template-columns: 1fr; }
  .article-header h1 { font-size: 1.375rem; }
}

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: var(--spacing-2xl);
  flex-wrap: wrap;
}
.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--color-gray-200);
  border-radius: 6px;
  font-size: 0.9375rem;
  color: var(--color-gray-600);
  transition: all var(--transition-fast);
}
.pagination a:hover { background: var(--color-primary-50); color: var(--color-primary-600); border-color: var(--color-primary-300); }
.pagination .active {
  background: var(--color-primary-600);
  color: #fff;
  border-color: var(--color-primary-600);
}
.pagination .disabled { color: var(--color-gray-300); cursor: not-allowed; pointer-events: none; }

/* ============================================================
   PARTNER / CITY LINKS
   ============================================================ */
.partner-section { padding: var(--spacing-2xl) 0; background: var(--color-gray-50); }
.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--spacing-lg);
  align-items: center;
}
.partner-item {
  background: #fff;
  border: 1px solid var(--color-gray-100);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 80px;
  transition: all var(--transition-fast);
  filter: grayscale(100%);
  opacity: 0.6;
}
.partner-item:hover { filter: grayscale(0); opacity: 1; box-shadow: var(--shadow-sm); }
.partner-item img { max-height: 50px; }

@media (max-width: 992px) {
  .header-nav,
  .nav,
  .nav-menu,
  .pd-nav {
    gap: 2px !important;
  }
  .header-nav > li > a,
  .nav a,
  .nav-menu a,
  .pd-nav a {
    padding: 5px 8px !important;
    font-size: 0.75rem !important;
  }
}

@media (max-width: 768px) {
  .header-nav,
  .nav,
  .nav-menu,
  .pd-nav {
    flex-wrap: wrap !important;
  }
}

.icon-xs { width: 14px; height: 14px; vertical-align: middle; }
.icon-s { width: 16px; height: 16px; vertical-align: middle; }
.icon-m { width: 20px; height: 20px; vertical-align: middle; }
.icon-l { width: 28px; height: 28px; vertical-align: middle; }
.icon-svg { width: 1em; height: 1em; vertical-align: middle; }


/* ========== 内容区样式补丁 (auto-added) ========== */

/* 段落间距 */
.article-content p,
.article-text p,
.article-body p,
.detail-body p,
.article-detail .content p,
.page-content p {
  margin-bottom: 16px;
  line-height: 1.8;
}

/* 标题样式 */
.article-content h2,
.article-text h2,
.article-body h2,
.detail-body h2,
.article-detail .content h2,
.page-content h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 28px 0 14px;
  line-height: 1.4;
}

.article-content h3,
.article-text h3,
.article-body h3,
.detail-body h3,
.article-detail .content h3,
.page-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 20px 0 10px;
  line-height: 1.4;
}

.article-content h4,
.article-text h4,
.article-body h4,
.detail-body h4,
.article-detail .content h4,
.page-content h4 {
  font-size: 16px;
  font-weight: 600;
  margin: 16px 0 8px;
}

/* 列表样式 */
.article-content ul,
.article-text ul,
.article-body ul,
.detail-body ul,
.article-detail .content ul,
.page-content ul {
  list-style: disc;
  margin: 0 0 16px 24px;
}

.article-content ol,
.article-text ol,
.article-body ol,
.detail-body ol,
.article-detail .content ol,
.page-content ol {
  list-style: decimal;
  margin: 0 0 16px 24px;
}

.article-content li,
.article-text li,
.article-body li,
.detail-body li,
.article-detail .content li,
.page-content li {
  margin-bottom: 6px;
  line-height: 1.7;
}

/* 图片样式 */
.article-content img,
.article-text img,
.article-body img,
.detail-body img,
.article-detail .content img,
.page-content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin: 16px 0;
}

/* 链接样式 */
.article-content a,
.article-text a,
.article-body a,
.detail-body a,
.article-detail .content a,
.page-content a {
  color: var(--primary, #2563eb);
  text-decoration: underline;
}

/* 引用块 */
.article-content blockquote,
.article-text blockquote,
.article-body blockquote,
.detail-body blockquote,
.article-detail .content blockquote,
.page-content blockquote {
  border-left: 4px solid var(--primary, #2563eb);
  padding: 12px 20px;
  margin: 16px 0;
  background: var(--bg, #f9fafb);
  font-style: italic;
}

/* 代码块 */
.article-content code,
.article-text code,
.article-body code,
.detail-body code,
.article-detail .content code,
.page-content code {
  background: var(--bg, #f3f4f6);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.9em;
}

.article-content pre,
.article-text pre,
.article-body pre,
.detail-body pre,
.article-detail .content pre,
.page-content pre {
  background: #1f2937;
  color: #f9fafb;
  padding: 16px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 16px 0;
}

.article-content pre code,
.article-text pre code,
.article-body pre code,
.detail-body pre code,
.article-detail .content pre code,
.page-content pre code {
  background: none;
  padding: 0;
}

/* 表格样式 */
.article-content table,
.article-text table,
.article-body table,
.detail-body table,
.article-detail .content table,
.page-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.article-content th,
.article-text th,
.article-body th,
.detail-body th,
.article-detail .content th,
.page-content th {
  background: var(--bg, #f3f4f6);
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  border: 1px solid var(--border, #e5e7eb);
}

.article-content td,
.article-text td,
.article-body td,
.detail-body td,
.article-detail .content td,
.page-content td {
  padding: 10px 12px;
  border: 1px solid var(--border, #e5e7eb);
}

/* ========== 品牌标语防溢出 ========== */
.brand-tagline,
[class*="brand-tagline"] {
  max-width: 300px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 12px;
  color: var(--text-light, #6b7280);
  letter-spacing: 0.5px;
}

/* ========== 导航响应式修复 ========== */
@media (max-width: 768px) {
  .brand-tagline,
  [class*="brand-tagline"] {
    max-width: 200px;
    font-size: 11px;
  }
}



/* 一级栏目 - 醒目样式 */
.sidebar-cats > li > a,
.side-nav > li > a,
.sidebar-widget .side-nav > li > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 600;
  color: #1f2937;
  background: #f9fafb;
  border-radius: 6px;
  margin-bottom: 8px;
  border-left: 3px solid var(--primary, #2563eb);
  transition: all 0.2s;
}

.sidebar-cats > li > a:hover,
.side-nav > li > a:hover,
.sidebar-widget .side-nav > li > a:hover {
  background: var(--primary, #2563eb);
  color: #fff;
  padding-left: 18px;
}

/* 二级栏目 - 三列网格 */
.sidebar-cats > li > ul,
.sidebar-cats > li > .sidebar-subcats,
.side-nav > li > ul,
.sidebar-widget .side-nav > li > ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px 8px;
  padding: 8px 10px;
  margin: 0 0 8px 0;
  list-style: none;
}

.sidebar-cats > li > ul > li,
.sidebar-cats > li > .sidebar-subcats > li,
.side-nav > li > ul > li,
.sidebar-widget .side-nav > li > ul > li {
  margin: 0;
}

.sidebar-cats > li > ul > li > a,
.sidebar-cats > li > .sidebar-subcats > li > a,
.side-nav > li > ul > li > a,
.sidebar-widget .side-nav > li > ul > li > a {
  display: block;
  padding: 5px 8px;
  font-size: 13px;
  color: #6b7280;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  border-radius: 4px;
  transition: all 0.2s;
}

.sidebar-cats > li > ul > li > a:hover,
.sidebar-cats > li > .sidebar-subcats > li > a:hover,
.side-nav > li > ul > li > a:hover,
.sidebar-widget .side-nav > li > ul > li > a:hover {
  color: var(--primary, #2563eb);
  background: #eff6ff;
}

/* 响应式：小屏幕改为两列 */
@media (max-width: 992px) {
  .sidebar-cats > li > ul,
  .sidebar-cats > li > .sidebar-subcats,
  .side-nav > li > ul,
  .sidebar-widget .side-nav > li > ul {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .sidebar-cats > li > ul,
  .sidebar-cats > li > .sidebar-subcats,
  .side-nav > li > ul,
  .sidebar-widget .side-nav > li > ul {
    grid-template-columns: 1fr;
  }
}

/* ========== 侧栏分类优化 (auto-added) ========== */

/* 一级栏目 - 醒目样式，颜色跟随主题 */
.sidebar-cats > li > a,
.side-nav > li > a,
.sidebar-widget .side-nav > li > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text, #1f2937);
  background: var(--bg, #f9fafb);
  border-radius: 6px;
  margin-bottom: 6px;
  border-left: 3px solid var(--primary, #2563eb);
  transition: all 0.2s;
}

.sidebar-cats > li > a:hover,
.side-nav > li > a:hover,
.sidebar-widget .side-nav > li > a:hover {
  background: var(--primary, #2563eb);
  color: #fff;
  padding-left: 16px;
}

/* 二级栏目 - 自适应布局，处理长名称 */
.sidebar-cats > li > ul,
.sidebar-cats > li > .sidebar-subcats,
.side-nav > li > ul,
.sidebar-widget .side-nav > li > ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 10px;
  margin: 0 0 6px 0;
  list-style: none;
}

.sidebar-cats > li > ul > li,
.sidebar-cats > li > .sidebar-subcats > li,
.side-nav > li > ul > li,
.sidebar-widget .side-nav > li > ul > li {
  margin: 0;
  flex: 0 1 auto;
  min-width: 0;
}

.sidebar-cats > li > ul > li > a,
.sidebar-cats > li > .sidebar-subcats > li > a,
.side-nav > li > ul > li > a,
.sidebar-widget .side-nav > li > ul > li > a {
  display: block;
  padding: 4px 10px;
  font-size: 13px;
  color: var(--text-light, #6b7280);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
  border-radius: 4px;
  border: 1px solid var(--border, #e5e7eb);
  transition: all 0.2s;
}

.sidebar-cats > li > ul > li > a:hover,
.sidebar-cats > li > .sidebar-subcats > li > a:hover,
.side-nav > li > ul > li > a:hover,
.sidebar-widget .side-nav > li > ul > li > a:hover {
  color: var(--primary, #2563eb);
  border-color: var(--primary, #2563eb);
  background: rgba(37, 99, 235, 0.05);
}

/* 响应式 */
@media (max-width: 768px) {
  .sidebar-cats > li > ul > li > a,
  .sidebar-cats > li > .sidebar-subcats > li > a,
  .side-nav > li > ul > li > a,
  .sidebar-widget .side-nav > li > ul > li > a {
    max-width: 100px;
    font-size: 12px;
  }
}