/* ============================================
   美中快递 Meizhong Express - Main Stylesheet
   ============================================ */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700;800&display=swap');

/* --- CSS Variables --- */
:root {
  --color-primary: #1B4F72;
  --color-primary-dark: #143d59;
  --color-primary-light: #2471a3;
  --color-secondary: #E74C3C;
  --color-secondary-dark: #c0392b;
  --color-accent: #F39C12;
  --color-accent-dark: #d68910;
  --color-dark: #1A1A2E;
  --color-light: #F8F9FA;
  --color-gray-100: #f0f2f5;
  --color-gray-200: #e2e6ea;
  --color-gray-300: #cdd3d9;
  --color-gray-400: #a0aab4;
  --color-gray-500: #6c757d;
  --color-gray-600: #495057;
  --color-gray-700: #343a40;
  --color-white: #ffffff;
  --color-black: #000000;

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Poppins', 'Inter', sans-serif;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 12px 40px rgba(0,0,0,0.15);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition: 0.3s ease;
  --header-height: 72px;
  --container-max: 1200px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  color: var(--color-gray-700);
  background: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-light);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-dark);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p { margin-bottom: 1rem; }

ul, ol {
  padding-left: 1.5em;
  margin-bottom: 1rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
}

table th, table td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-gray-200);
  text-align: left;
}

table th {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
}

table tr:nth-child(even) {
  background: var(--color-gray-100);
}

/* --- Container --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Section --- */
.section {
  padding: 4rem 0;
}

.section-heading {
  text-align: center;
  margin-bottom: 3rem;
}

.section-heading h2 {
  font-size: 2rem;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}

.section-heading p {
  color: var(--color-gray-500);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary {
  background: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
}

.btn-primary:hover {
  background: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
  color: var(--color-white);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.btn-white:hover {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-accent:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-white);
}

.btn-lg {
  padding: 0.85rem 2rem;
  font-size: 1.05rem;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  transition: box-shadow var(--transition);
  height: var(--header-height);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.2;
}

.site-logo .logo-zh {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.site-logo .logo-en {
  font-size: 0.7rem;
  color: var(--color-gray-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.site-logo:hover .logo-zh {
  color: var(--color-primary-light);
}

/* --- Main Nav --- */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 0;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-item > a {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-gray-700);
  transition: color var(--transition);
  white-space: nowrap;
}

.nav-item > a:hover,
.nav-item.active > a {
  color: var(--color-primary);
}

.nav-item > a .nav-arrow {
  width: 12px;
  height: 12px;
  transition: transform var(--transition);
}

.nav-item.has-dropdown:hover > a .nav-arrow {
  transform: rotate(180deg);
}

/* --- Dropdown --- */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.25s ease;
  list-style: none;
  z-index: 100;
}

.has-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li a {
  display: block;
  padding: 0.55rem 1.2rem;
  font-size: 0.88rem;
  color: var(--color-gray-600);
  transition: all var(--transition);
}

.dropdown-menu li a:hover {
  background: var(--color-gray-100);
  color: var(--color-primary);
  padding-left: 1.5rem;
}

/* --- Header Actions --- */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-gray-600);
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.lang-toggle:hover {
  background: var(--color-gray-200);
}

.header-cta {
  display: inline-flex;
}

/* --- Mobile Menu Toggle --- */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-gray-700);
  border-radius: 2px;
  transition: all var(--transition);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Mobile Nav --- */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--transition);
}

.mobile-overlay.active {
  display: block;
  opacity: 1;
}

.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  right: -100%;
  width: 300px;
  height: calc(100vh - var(--header-height));
  background: var(--color-white);
  z-index: 999;
  transition: right var(--transition);
  overflow-y: auto;
  padding: 1.5rem;
  box-shadow: var(--shadow-xl);
}

.mobile-nav.active {
  right: 0;
}

.mobile-nav .mobile-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-nav .mobile-nav-list li {
  border-bottom: 1px solid var(--color-gray-100);
}

.mobile-nav .mobile-nav-list li a {
  display: block;
  padding: 0.85rem 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-gray-700);
}

.mobile-nav .mobile-nav-list li a:hover {
  color: var(--color-primary);
}

.mobile-nav .mobile-nav-list .mobile-dropdown {
  padding-left: 1rem;
}

.mobile-nav .mobile-nav-list .mobile-dropdown li {
  border-bottom: none;
}

.mobile-nav .mobile-nav-list .mobile-dropdown li a {
  font-size: 0.88rem;
  padding: 0.5rem 0;
  color: var(--color-gray-500);
}

.mobile-nav .mobile-cta {
  margin-top: 1.5rem;
}

.mobile-nav .mobile-cta .btn {
  width: 100%;
  justify-content: center;
}

.mobile-nav .mobile-contact {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-gray-200);
}

.mobile-nav .mobile-contact a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
  font-weight: 500;
  color: var(--color-primary);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 540px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-primary) 100%);
  margin-top: var(--header-height);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,26,46,0.92) 0%, rgba(27,79,114,0.85) 100%);
  z-index: 1;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image:
    radial-gradient(circle at 20% 80%, var(--color-accent) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, var(--color-secondary) 0%, transparent 50%);
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 4rem 1.5rem;
  text-align: center;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 1rem;
  line-height: 1.25;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Page Hero (smaller for sub-pages) */
.page-hero {
  position: relative;
  padding: 3rem 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  margin-top: var(--header-height);
  text-align: center;
}

.page-hero h1 {
  color: var(--color-white);
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.page-hero p {
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
}

/* ============================================
   TRUST BADGES
   ============================================ */
.trust-badges {
  background: var(--color-white);
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.badges-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.badge-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
}

.badge-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  font-size: 1.2rem;
}

.badge-icon svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.badge-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-dark);
}

.badge-desc {
  font-size: 0.78rem;
  color: var(--color-gray-500);
}

/* ============================================
   SERVICES GRID
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all var(--transition);
  text-decoration: none;
  display: block;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.service-card .service-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: var(--color-white);
  border-radius: var(--radius-md);
  margin: 0 auto 1rem;
  font-size: 1.5rem;
}

.service-card .service-icon svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.service-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--color-dark);
}

.service-card p {
  font-size: 0.88rem;
  color: var(--color-gray-500);
  margin-bottom: 0;
}

/* Featured grid (2 cols) */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

/* ============================================
   TRACKING SECTION
   ============================================ */
.tracking-section {
  background: var(--color-gray-100);
}

.tracking-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.tracking-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: all var(--transition);
  text-decoration: none;
}

.tracking-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.tracking-card .tracking-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gray-100);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.tracking-card .tracking-icon img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.tracking-card .tracking-info h4 {
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
  color: var(--color-dark);
}

.tracking-card .tracking-info p {
  font-size: 0.78rem;
  color: var(--color-gray-500);
  margin: 0;
}

/* ============================================
   BLOG GRID
   ============================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.blog-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.blog-card a {
  text-decoration: none;
}

.blog-card-image {
  width: 100%;
  height: 180px;
  background: var(--color-gray-100);
  overflow: hidden;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.05);
}

.blog-card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.78rem;
  color: var(--color-gray-400);
  margin-bottom: 0.5rem;
}

.blog-card-meta .blog-date {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.blog-card-meta .blog-category {
  color: var(--color-primary);
  font-weight: 500;
}

.blog-card-body h3 {
  font-size: 1rem;
  line-height: 1.4;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-body h3 a {
  color: var(--color-dark);
}

.blog-card-body h3 a:hover {
  color: var(--color-primary);
}

.blog-card-body .blog-excerpt {
  font-size: 0.85rem;
  color: var(--color-gray-500);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 1rem;
  flex: 1;
}

.blog-card-body .read-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.blog-card-body .read-more:hover {
  gap: 0.5rem;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: 3.5rem 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--color-white);
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.cta-section p {
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto 1.5rem;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb {
  padding: 0.85rem 0;
  background: var(--color-gray-100);
  border-bottom: 1px solid var(--color-gray-200);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.85rem;
}

.breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.breadcrumb-list li a {
  color: var(--color-gray-500);
}

.breadcrumb-list li a:hover {
  color: var(--color-primary);
}

.breadcrumb-list li.active {
  color: var(--color-gray-700);
  font-weight: 500;
}

.breadcrumb-list li .separator {
  color: var(--color-gray-400);
  font-size: 0.75rem;
}

/* ============================================
   PAGE CONTENT
   ============================================ */
.page-content {
  padding: 3rem 0;
}

.content-wrapper {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2.5rem;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.content-main {
  min-width: 0;
}

.article-content {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--color-gray-700);
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.article-content h2 { font-size: 1.6rem; }
.article-content h3 { font-size: 1.3rem; }

.article-content img {
  border-radius: var(--radius-sm);
  margin: 1.5rem 0;
}

.article-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--color-gray-100);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--color-gray-600);
}

.article-content ul, .article-content ol {
  margin-bottom: 1.5rem;
}

.article-content li {
  margin-bottom: 0.35rem;
}

/* Article Header */
.article-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-gray-200);
}

.article-header h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.88rem;
  color: var(--color-gray-500);
}

.article-meta span {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.article-meta .meta-category a {
  color: var(--color-primary);
  font-weight: 500;
}

/* --- Sidebar --- */
.content-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-widget {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.sidebar-widget h3 {
  font-size: 1.05rem;
  color: var(--color-dark);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-primary);
}

.sidebar-contact .contact-phone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 1rem;
}

.sidebar-contact .contact-phone svg {
  width: 20px;
  height: 20px;
}

.sidebar-contact .wechat-qr {
  text-align: center;
}

.sidebar-contact .wechat-qr img {
  max-width: 180px;
  margin: 0.5rem auto;
  border-radius: var(--radius-sm);
}

.sidebar-contact .wechat-qr p {
  font-size: 0.85rem;
  color: var(--color-gray-500);
  margin-top: 0.5rem;
}

/* Sidebar recent posts */
.sidebar-posts {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-posts li {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--color-gray-100);
}

.sidebar-posts li:last-child {
  border-bottom: none;
}

.sidebar-posts li a {
  font-size: 0.88rem;
  color: var(--color-gray-600);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sidebar-posts li a:hover {
  color: var(--color-primary);
}

.sidebar-posts li .post-date {
  font-size: 0.75rem;
  color: var(--color-gray-400);
  margin-top: 0.2rem;
}

/* Sidebar search */
.sidebar-search {
  display: flex;
  gap: 0;
}

.sidebar-search input {
  flex: 1;
  padding: 0.65rem 1rem;
  border: 1px solid var(--color-gray-200);
  border-right: none;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  font-size: 0.88rem;
  font-family: var(--font-body);
  outline: none;
  transition: border-color var(--transition);
}

.sidebar-search input:focus {
  border-color: var(--color-primary);
}

.sidebar-search button {
  padding: 0.65rem 1rem;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  cursor: pointer;
  font-size: 0.88rem;
  transition: background var(--transition);
}

.sidebar-search button:hover {
  background: var(--color-primary-dark);
}

/* Sidebar categories */
.sidebar-categories {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-categories li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-gray-100);
}

.sidebar-categories li:last-child {
  border-bottom: none;
}

.sidebar-categories li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
  color: var(--color-gray-600);
}

.sidebar-categories li a:hover {
  color: var(--color-primary);
}

.sidebar-categories li a .count {
  background: var(--color-gray-100);
  padding: 0.1rem 0.5rem;
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--color-gray-500);
}

/* ============================================
   POST NAVIGATION
   ============================================ */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-gray-200);
}

.post-nav-link {
  display: block;
  padding: 1rem;
  background: var(--color-gray-100);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  text-decoration: none;
}

.post-nav-link:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.post-nav-link:hover .nav-label,
.post-nav-link:hover .nav-title {
  color: var(--color-white);
}

.post-nav-link .nav-label {
  font-size: 0.78rem;
  color: var(--color-gray-500);
  display: block;
  margin-bottom: 0.3rem;
}

.post-nav-link .nav-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-dark);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-nav-link.next {
  text-align: right;
}

/* Related Posts */
.related-posts {
  margin-top: 2.5rem;
}

.related-posts h3 {
  margin-bottom: 1.25rem;
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 3rem;
}

.pagination a,
.pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
}

.pagination a {
  color: var(--color-gray-600);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
}

.pagination a:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.pagination span.current {
  background: var(--color-primary);
  color: var(--color-white);
  border: 1px solid var(--color-primary);
}

.pagination .prev-page,
.pagination .next-page {
  font-size: 0.85rem;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
  padding-top: 3.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2rem;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 1.25rem;
  font-weight: 600;
}

.footer-col p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
  margin-bottom: 0.75rem;
}

.footer-col .footer-logo {
  display: flex;
  flex-direction: column;
  margin-bottom: 1rem;
}

.footer-col .footer-logo .logo-zh {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-white);
}

.footer-col .footer-logo .logo-en {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col ul li a {
  color: rgba(255,255,255,0.65);
  font-size: 0.88rem;
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--color-accent);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 0.88rem;
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
  fill: var(--color-accent);
}

.footer-bottom {
  margin-top: 2.5rem;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  margin: 0;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================================
   FLOATING ELEMENTS
   ============================================ */
.fab-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 900;
}

.fab-phone {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-secondary);
  color: var(--color-white);
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition);
  text-decoration: none;
  animation: pulse-ring 2s infinite;
}

.fab-phone:hover {
  background: var(--color-secondary-dark);
  color: var(--color-white);
  transform: scale(1.1);
}

.fab-phone svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(231,76,60,0.4); }
  70% { box-shadow: 0 0 0 12px rgba(231,76,60,0); }
  100% { box-shadow: 0 0 0 0 rgba(231,76,60,0); }
}

.back-to-top {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* ============================================
   HOMEPAGE ORIGINAL CONTENT
   ============================================ */
.homepage-content {
  padding: 3rem 0;
}

.homepage-content .container {
  max-width: 900px;
}

.homepage-content .article-content {
  font-size: 0.95rem;
}

/* ============================================
   BLOG LIST PAGE
   ============================================ */
.blog-list-header {
  text-align: center;
  margin-bottom: 2rem;
}

.blog-list-header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.blog-search-bar {
  max-width: 500px;
  margin: 1rem auto 0;
}

.blog-search-bar input {
  width: 100%;
  padding: 0.75rem 1.25rem;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  font-size: 0.95rem;
  font-family: var(--font-body);
  outline: none;
  transition: border-color var(--transition);
}

.blog-search-bar input:focus {
  border-color: var(--color-primary);
}

/* Full width blog layout */
.blog-page-content {
  padding: 2.5rem 0;
}

/* ============================================
   RELATED SERVICES
   ============================================ */
.related-services {
  padding: 3rem 0;
  background: var(--color-gray-100);
}

.related-services h2 {
  text-align: center;
  margin-bottom: 2rem;
}

/* ============================================
   WP CONTENT COMPATIBILITY
   ============================================ */
.article-content .wp-block-image,
.article-content figure {
  margin: 1.5rem 0;
}

.article-content .wp-block-image img,
.article-content figure img {
  border-radius: var(--radius-sm);
}

.article-content figcaption {
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-gray-500);
  margin-top: 0.5rem;
}

.article-content .wp-block-table {
  overflow-x: auto;
}

.article-content .aligncenter {
  text-align: center;
}

.article-content .alignleft {
  float: left;
  margin-right: 1.5rem;
  margin-bottom: 1rem;
}

.article-content .alignright {
  float: right;
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .content-wrapper {
    grid-template-columns: 1fr 280px;
    gap: 2rem;
  }

  .hero-title {
    font-size: 2.25rem;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .main-nav,
  .header-cta,
  .lang-toggle {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .mobile-nav {
    display: block;
  }

  .hero {
    min-height: 420px;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-inner {
    padding: 3rem 1.5rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }

  .badges-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .featured-grid {
    grid-template-columns: 1fr;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .tracking-cards {
    grid-template-columns: 1fr 1fr;
  }

  .content-wrapper {
    grid-template-columns: 1fr;
  }

  .content-sidebar {
    order: -1;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .section {
    padding: 2.5rem 0;
  }

  .section-heading h2 {
    font-size: 1.5rem;
  }

  .page-hero h1 {
    font-size: 1.5rem;
  }

  .post-navigation {
    grid-template-columns: 1fr;
  }

  .fab-container {
    bottom: 1.25rem;
    right: 1.25rem;
  }

  .cta-section h2 {
    font-size: 1.35rem;
  }

  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

  .article-header h1 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .badges-grid {
    grid-template-columns: 1fr 1fr;
  }

  .tracking-cards {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 1.5rem;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .site-header,
  .site-footer,
  .fab-container,
  .back-to-top,
  .cta-section,
  .content-sidebar,
  .mobile-nav,
  .mobile-overlay {
    display: none !important;
  }

  .content-wrapper {
    grid-template-columns: 1fr;
  }

  body {
    font-size: 12pt;
    color: #000;
  }
}