:root {
  --primary: #1a56a8;
  --primary-light: #2d7dd2;
  --accent: #f0a500;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
}

/* =============================================
   页面加载动画
   ============================================= */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-overlay.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-text {
  margin-top: 20px;
  font-size: 16px;
  color: var(--gray-600);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.loading-logo {
  font-size: 48px;
  margin-bottom: 16px;
  animation: float 2s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* =============================================
   通知提示组件
   ============================================= */
.notification {
  position: fixed;
  top: 100px;
  right: 20px;
  padding: 16px 24px;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideIn 0.3s ease-out, fadeOut 0.3s ease-in 2.5s forwards;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
    transform: translateX(20px);
  }
}

.notification-success {
  background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
  border-left: 4px solid #28a745;
}

.notification-error {
  background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
  border-left: 4px solid #dc3545;
}

.notification-warning {
  background: linear-gradient(135deg, #fff3cd 0%, #ffeeba 100%);
  border-left: 4px solid #ffc107;
}

.notification-info {
  background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
  border-left: 4px solid #17a2b8;
}

.notification-icon {
  font-size: 20px;
}

.notification-content {
  font-size: 14px;
  color: var(--gray-800);
}

.notification-close {
  margin-left: 12px;
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--gray-500);
  transition: color 0.2s;
}

.notification-close:hover {
  color: var(--gray-700);
}

/* =============================================
   表单验证提示
   ============================================= */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 86, 168, 0.1);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: #dc3545;
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.form-group input.success,
.form-group select.success,
.form-group textarea.success {
  border-color: #28a745;
  box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}

.form-error {
  margin-top: 6px;
  font-size: 12px;
  color: #dc3545;
  display: flex;
  align-items: center;
  gap: 4px;
}

.form-success {
  margin-top: 6px;
  font-size: 12px;
  color: #28a745;
  display: flex;
  align-items: center;
  gap: 4px;
}

.form-hint {
  margin-top: 4px;
  font-size: 12px;
  color: var(--gray-500);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: #ffffff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* =============================================
   导航栏
   ============================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: white;
  box-shadow: 0 2px 12px rgba(26, 86, 168, 0.1);
  transition: box-shadow 0.3s ease;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--gray-800);
}

.logo-icon {
  font-size: 28px;
}

.nav-logo div {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}

.nav-logo .sub {
  display: block;
  font-size: 10px;
  font-weight: 400;
  color: var(--gray-600);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 24px;
  align-items: center;
}

.lang-switch {
  display: flex;
  gap: 4px;
  margin-left: 20px;
}

.nav-admin-btn {
  padding: 6px 14px !important;
  background: var(--gray-100);
  color: var(--gray-600) !important;
  border-radius: 6px;
  font-size: 13px;
  transition: all 0.3s ease;
}

.nav-admin-btn:hover {
  background: var(--primary);
  color: white !important;
}

.lang-btn {
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.2s ease;
}

.lang-btn:hover {
  background: var(--gray-100);
  color: var(--gray-800);
}

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

.nav-menu a {
  text-decoration: none;
  color: var(--gray-700);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-menu a:hover {
  color: var(--primary);
}

.nav-menu a.active {
  color: var(--primary);
  font-weight: 600;
}

.nav-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white !important;
  padding: 10px 22px;
  border-radius: 25px;
}

.nav-cta:hover {
  opacity: 0.9;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--gray-700);
  transition: all 0.3s;
}

.nav-toggle.open span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* 下拉菜单 */
.dropdown {
  position: relative;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: white;
  list-style: none;
  padding: 12px 0;
  min-width: 200px;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius);
}

.dropdown:hover .dropdown-menu {
  display: block;
}

.dropdown-menu li {
  padding: 0 16px;
}

.dropdown-menu a {
  display: block;
  padding: 10px 0;
  font-size: 13px;
}

/* =============================================
   Page Hero
   ============================================= */
.page-hero {
  padding: 120px 0 60px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
}

.page-hero.default {
  background: linear-gradient(135deg, #2d3748, #4a5568);
}

.page-hero h1 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 12px;
}

.page-hero p {
  font-size: 16px;
  opacity: 0.9;
}

.breadcrumb {
  font-size: 13px;
  opacity: 0.8;
  margin-bottom: 16px;
}

.breadcrumb a {
  color: white;
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* =============================================
   通用区块样式
   ============================================= */
.section {
  padding: 60px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-tag {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 12px;
}

.section-header p {
  color: var(--gray-600);
  font-size: 15px;
}

.section-alt {
  background: var(--gray-100);
}

.section-dark {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 60px 0;
}

.stat-item {
  text-align: center;
  padding: 20px;
}

.stat-num {
  font-size: 48px;
  font-weight: 900;
  background: linear-gradient(135deg, #f0a500, #fbbf24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
  line-height: 1;
}

.stat-num sup {
  font-size: 24px;
  vertical-align: super;
}

.stat-label {
  font-size: 14px;
  opacity: 0.9;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}

/* =============================================
   表单样式
   ============================================= */
.form-card {
  background: white;
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-card h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 6px;
}

.form-card .subtitle {
  font-size: 13px;
  color: var(--gray-600);
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.full {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 8px;
}

.form-group label .req {
  color: #e53935;
}

.form-control {
  padding: 12px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--gray-800);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 86, 168, 0.1);
}

.form-control::placeholder {
  color: var(--gray-400);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-blue {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
}

.btn-blue:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-gray {
  background: var(--gray-200);
  color: var(--gray-700);
}

.btn-gray:hover {
  background: var(--gray-300);
}

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

.btn-primary:hover {
  background: rgba(255, 255, 255, 0.9);
}

.btn-outline {
  background: transparent;
  border: 2px solid white;
  color: white;
}

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

/* =============================================
   询价页面布局
   ============================================= */
.inquiry-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
}

.side-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.info-card {
  background: white;
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.info-card h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 14px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 13px;
  color: var(--gray-600);
}

.info-item:last-child {
  margin-bottom: 0;
}

.dot {
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  margin-top: 7px;
  flex-shrink: 0;
}

/* 运输方式选择 */
.transport-tabs {
  display: flex;
  gap: 10px;
}

.t-tab {
  flex: 1;
  padding: 12px;
  background: var(--gray-100);
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 13px;
}

.t-tab:hover {
  background: var(--gray-200);
}

.t-tab.active {
  background: white;
  border-color: var(--primary);
  color: var(--primary);
  font-weight: 600;
}

.t-icon {
  font-size: 18px;
  margin-right: 4px;
}

/* 报价结果 */
.quote-result {
  background: white;
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: none;
}

.quote-result.show {
  display: block;
}

.quote-price-main {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 20px;
}

.price-num {
  font-size: 48px;
  font-weight: 800;
  color: var(--primary);
}

.price-unit {
  font-size: 16px;
  color: var(--gray-600);
}

.quote-details {
  padding-left: 20px;
  border-left: 3px solid var(--accent);
}

.quote-details div {
  font-size: 13px;
  color: var(--gray-600);
  margin-bottom: 8px;
}

.quote-details strong {
  color: var(--gray-800);
}

.quote-detail-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
}

.quote-detail-row:last-child {
  border-bottom: none;
}

.detail-label {
  font-weight: 600;
  color: var(--gray-600);
}

.detail-value {
  color: var(--gray-800);
}

/* =============================================
   表单验证样式
   ============================================= */
.form-control.error {
  border-color: #e53935;
  box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.1);
}

.field-error {
  display: block;
  font-size: 12px;
  color: #e53935;
  margin-top: 6px;
  padding-left: 4px;
}

/* =============================================
   货物追踪页面
   ============================================= */
.track-search-box {
  background: white;
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  max-width: 700px;
  margin: 0 auto 32px;
}

.track-search-box h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 12px;
}

.track-input-row {
  display: flex;
  gap: 12px;
}

.track-input-row .form-control {
  flex: 1;
  padding: 14px;
}

.track-result {
  display: none;
}

.track-result.show {
  display: block;
}

.track-info-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: white;
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.track-info-item {
  text-align: center;
}

.track-info-item strong {
  display: block;
  font-size: 12px;
  color: var(--gray-600);
  margin-bottom: 6px;
}

.track-info-item span {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-800);
}

.track-status-badge {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.status-transit {
  background: #fff3cd;
  color: #856404;
}

.status-delivered {
  background: #d4edda;
  color: #155724;
}

.status-pending {
  background: #e7f3ff;
  color: #0c63e4;
}

/* 时间线 */
.timeline {
  background: white;
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.timeline h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 20px;
}

.timeline-list {
  position: relative;
  padding-left: 30px;
}

.timeline-list::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-200);
}

.tl-item {
  position: relative;
  padding-bottom: 24px;
}

.tl-item:last-child {
  padding-bottom: 0;
}

.tl-dot {
  position: absolute;
  left: -26px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gray-300);
  border: 3px solid white;
  box-shadow: 0 0 0 2px var(--gray-200);
}

.tl-item.done .tl-dot {
  background: var(--primary);
  box-shadow: 0 0 0 2px rgba(26, 86, 168, 0.2);
}

.tl-item.current .tl-dot {
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(240, 165, 0, 0.3);
}

.tl-time {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.tl-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.tl-item.pending .tl-title {
  color: var(--gray-500);
}

.tl-desc {
  font-size: 13px;
  color: var(--gray-600);
}

/* =============================================
   合作伙伴与资质认证
   ============================================= */
.partner-section {
  padding: 60px 0;
}

.partner-header {
  text-align: center;
  margin-bottom: 48px;
}

.partner-tag {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.partner-header h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 12px;
}

.partner-header p {
  color: var(--gray-600);
  font-size: 15px;
}

.partner-logos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.partner-logo {
  background: white;
  padding: 24px 16px;
  border-radius: var(--radius);
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: all 0.3s ease;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80px;
}

.partner-logo:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(26, 86, 168, 0.1);
  transform: translateY(-2px);
}

/* 资质认证 */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cert-card {
  background: white;
  padding: 28px;
  border-radius: var(--radius);
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: all 0.3s ease;
}

.cert-card:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(26, 86, 168, 0.12);
  transform: translateY(-4px);
}

.cert-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.cert-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 10px;
}

.cert-card p {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* =============================================
   页脚
   ============================================= */
.footer {
  background: var(--gray-900);
  color: white;
  padding-top: 48px;
}

.footer-main {
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.footer-logo {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 16px;
}

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

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 13px;
}

.footer-col a:hover {
  color: white;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
  white-space: nowrap;
  margin-bottom: 8px;
}

.footer-contact li:last-child {
  margin-bottom: 0;
}

.footer-contact .icon {
  font-size: 14px;
  flex-shrink: 0;
  width: 18px;
  text-align: center;
}

.footer-contact span:not(.icon) {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  flex-shrink: 1;
}

.footer-contact li span:nth-child(2) {
  opacity: 0.6;
  min-width: 60px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 16px 32px;
  padding: 24px 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
}

/* =============================================
   在线客服
   ============================================= */
.float-service {
  position: fixed;
  right: 30px;
  bottom: 30px;
  z-index: 1000;
}

.float-btn {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: white;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  position: relative;
  transition: transform 0.2s;
}

.float-btn:hover {
  transform: scale(1.1);
}

.float-btn .badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #e53935;
  color: white;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 10px;
}

.chat-box {
  position: absolute;
  right: 0;
  bottom: 80px;
  width: 360px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: none;
  flex-direction: column;
}

.chat-box.open {
  display: flex;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border-radius: var(--radius) var(--radius) 0 0;
}

.chat-avatar {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.chat-info strong {
  font-size: 14px;
}

.chat-info span {
  font-size: 12px;
  opacity: 0.8;
}

.chat-close {
  margin-left: auto;
  font-size: 18px;
  cursor: pointer;
  opacity: 0.8;
}

.chat-close:hover {
  opacity: 1;
}

.chat-messages {
  height: 280px;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-msg {
  display: flex;
  gap: 10px;
  max-width: 85%;
}

.chat-msg.user {
  margin-left: auto;
  flex-direction: row-reverse;
}

.msg-avatar {
  width: 32px;
  height: 32px;
  background: var(--gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.chat-msg.user .msg-avatar {
  background: var(--primary);
  color: white;
}

.msg-bubble {
  background: var(--gray-100);
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 13px;
  line-height: 1.5;
}

.chat-msg.user .msg-bubble {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
}

.chat-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--gray-100);
}

.quick-reply {
  padding: 6px 12px;
  background: var(--gray-100);
  border: none;
  border-radius: 16px;
  font-size: 12px;
  color: var(--gray-700);
  cursor: pointer;
}

.quick-reply:hover {
  background: var(--primary);
  color: white;
}

.chat-input-area {
  display: flex;
  gap: 10px;
  padding: 12px 16px;
  border-top: 1px solid var(--gray-200);
}

.chat-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--gray-300);
  border-radius: 20px;
  font-size: 13px;
}

.chat-input:focus {
  outline: none;
  border-color: var(--primary);
}

.chat-send {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 16px;
  cursor: pointer;
}

.chat-send:hover {
  opacity: 0.9;
}

/* =============================================
   首页样式
   ============================================= */
.hero {
  position: relative;
  padding: 140px 0 100px;
  background: linear-gradient(135deg, #0d3b6c 0%, #1a56a8 50%, #2d7dd2 100%);
  color: white;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 100% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(240,165,0,0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(45,125,210,0.2) 0%, transparent 40%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: 25px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 24px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-badge svg {
  width: 16px;
  height: 16px;
}

.hero h1 {
  font-size: 48px;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero h1 span:first-child {
  display: block;
  font-size: 36px;
  font-weight: 600;
  opacity: 0.9;
  margin-bottom: 8px;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, #f0a500, #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero h1 span:last-child {
  color: var(--accent);
}

.hero p {
  font-size: 18px;
  opacity: 0.9;
  line-height: 1.8;
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.9);
}

.hero-btns {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hero .btn-primary {
  background: white;
  color: var(--primary);
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 700;
  border-radius: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.hero .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.25);
  background: #f8fafc;
}

.hero .btn-outline {
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 30px;
  border: 2px solid rgba(255, 255, 255, 0.8);
  transition: all 0.3s ease;
}

.hero .btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
  transform: translateY(-2px);
}

.hero-visual {
  position: absolute;
  right: -100px;
  top: 50%;
  transform: translateY(-50%);
  width: 600px;
  height: 600px;
  opacity: 0.12;
  z-index: 1;
}

.hero-visual svg {
  animation: rotate 60s linear infinite;
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
  padding: 36px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
  text-align: center;
  padding: 16px;
}

.stat-item strong {
  display: block;
  font-size: 40px;
  font-weight: 900;
  background: linear-gradient(135deg, #f0a500, #fbbf24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.stat-item span {
  font-size: 14px;
  opacity: 0.85;
  color: rgba(255, 255, 255, 0.85);
}

/* 快速入口条 */
.quick-bar {
  background: white;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  position: relative;
  z-index: 3;
  margin-top: -30px;
  border-radius: var(--radius);
  margin-left: 20px;
  margin-right: 20px;
  overflow: hidden;
}

.quick-bar .container {
  padding: 0;
  display: flex;
}

.quick-item {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 20px;
  text-decoration: none;
  color: var(--gray-800);
  transition: all 0.3s ease;
  border-bottom: 3px solid transparent;
}

.quick-item:hover {
  background: var(--gray-50);
  border-bottom-color: var(--primary);
}

.quick-item:first-child {
  border-right: 1px solid var(--gray-100);
}

.quick-item:nth-child(2) {
  border-right: 1px solid var(--gray-100);
}

.qi-icon {
  font-size: 36px;
  transition: transform 0.3s ease;
}

.quick-item:hover .qi-icon {
  transform: scale(1.15);
}

.qi-text {
  flex: 1;
}

.qi-text strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.qi-text span {
  font-size: 13px;
  color: var(--gray-500);
}

/* 服务卡片 */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: white;
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}

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

.service-card .icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.6;
}

.service-card .price {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-100);
}

.service-card .price strong {
  font-size: 24px;
  color: var(--primary);
}

.service-card .price span {
  font-size: 12px;
  color: var(--gray-500);
}

/* =============================================
   关于页面
   ============================================= */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.about-visual {
  text-align: center;
  padding: 40px;
  background: var(--gray-100);
  border-radius: var(--radius);
}

.about-visual p {
  margin-top: 16px;
  font-size: 16px;
  color: var(--gray-700);
}

.about-text h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 16px;
}

.about-text p {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 14px;
}

.about-highlights {
  display: flex;
  gap: 32px;
  margin-top: 24px;
}

.ah-item {
  text-align: center;
}

.ah-item strong {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
}

.ah-item span {
  font-size: 12px;
  color: var(--gray-600);
}

/* 团队卡片 */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.team-card {
  background: white;
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}

.team-avatar {
  font-size: 48px;
  margin-bottom: 12px;
}

.team-info h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-800);
}

.team-info p {
  font-size: 12px;
  color: var(--primary);
}

/* =============================================
   新闻页面
   ============================================= */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.news-card .news-img {
  height: 180px;
  background: linear-gradient(135deg, var(--gray-200), var(--gray-100));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
}

.news-card .news-content {
  padding: 20px;
}

.news-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 8px;
}

.news-card p {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.6;
}

.news-card .news-date {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 12px;
}

/* =============================================
   服务页面 - 路线图样式
   ============================================= */
.route-map h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 24px;
  text-align: center;
}

.route-visual {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px;
  padding: 32px;
  background: var(--gray-100);
  border-radius: var(--radius);
}

.route-city {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 100px;
}

.city-dot {
  font-size: 32px;
  margin-bottom: 8px;
}

.city-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-800);
  text-align: center;
}

.city-sub {
  font-size: 11px;
  color: var(--gray-500);
}

.route-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 80px;
  padding: 0 10px;
}

.connector-line {
  width: 40px;
  height: 3px;
  background: var(--primary);
  margin-bottom: 6px;
  position: relative;
}

.connector-line::after {
  content: '';
  position: absolute;
  right: -6px;
  top: -4px;
  width: 10px;
  height: 10px;
  border-right: 3px solid var(--primary);
  border-top: 3px solid var(--primary);
  transform: rotate(45deg);
}

.connector-label {
  font-size: 10px;
  color: var(--gray-600);
  text-align: center;
}

/* =============================================
   服务页面 - 特性列表样式
   ============================================= */
.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-item {
  display: flex;
  gap: 16px;
  padding: 24px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature-icon {
  font-size: 32px;
  flex-shrink: 0;
}

.feature-item h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 8px;
}

.feature-item p {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* =============================================
   服务页面 - 案例卡片样式
   ============================================= */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.case-card {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.case-img {
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
}

.case-body {
  padding: 20px;
}

.case-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  color: white;
  background: var(--primary);
  padding: 3px 10px;
  border-radius: 10px;
  margin-bottom: 10px;
}

.case-card h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 8px;
}

.case-card p {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* =============================================
   服务页面 - 进度步骤样式
   ============================================= */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.process-step {
  text-align: center;
  padding: 24px 16px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.step-num {
  width: 40px;
  height: 40px;
  line-height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border-radius: 50%;
  font-size: 16px;
  font-weight: 700;
  margin: 0 auto 14px;
}

.process-step h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 12px;
  color: var(--gray-600);
  line-height: 1.5;
}

/* =============================================
   新闻页面样式
   ============================================= */
.news-body {
  padding: 20px;
}

.news-meta {
  font-size: 11px;
  color: var(--gray-500);
  margin-bottom: 10px;
  display: flex;
  gap: 12px;
}

.news-cat {
  position: absolute;
  top: 10px;
  left: 10px;
  font-size: 9px;
  font-weight: 600;
  color: white;
  background: var(--primary);
  padding: 3px 8px;
  border-radius: 8px;
}

.news-img {
  position: relative;
}

.news-read-more {
  display: inline-block;
  margin-top: 10px;
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
}

/* =============================================
   响应式设计
   ============================================= */
@media (max-width: 992px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--shadow-lg);
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .dropdown-menu {
    position: static;
    box-shadow: none;
    padding-left: 20px;
    border-top: 1px solid var(--gray-100);
    margin-top: 10px;
  }

  .hero h1 {
    font-size: 32px;
  }

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

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

  .inquiry-layout {
    grid-template-columns: 1fr;
  }

  .about-intro {
    grid-template-columns: 1fr;
  }

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

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

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

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

  /* 服务页面平板响应式 */
  .feature-list {
    grid-template-columns: 1fr;
  }

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

  .process-steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .route-visual {
    gap: 8px;
    padding: 24px;
  }

  .route-city {
    min-width: 80px;
  }

  .route-connector {
    min-width: 60px;
  }

  /* 快速入口条响应式 */
  .quick-bar {
    margin-top: 0;
    margin-left: 10px;
    margin-right: 10px;
    border-radius: 12px;
  }

  .quick-bar .container {
    flex-wrap: wrap;
  }

  .quick-item {
    flex: 0 0 calc(50% - 2px);
    border-right: 1px solid var(--gray-100);
    border-bottom: 1px solid var(--gray-100);
  }

  .quick-item:nth-child(2n) {
    border-right: none;
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 28px;
  }

  .hero-btns {
    flex-direction: column;
  }

  .hero-btns .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .transport-tabs {
    flex-direction: column;
  }

  .track-search-box {
    padding: 24px;
  }

  .track-input-row {
    flex-direction: column;
  }

  .track-info-bar {
    grid-template-columns: 1fr;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 10px;
  }

  .chat-box {
    width: calc(100vw - 60px);
  }

  /* 服务页面响应式 */
  .route-visual {
    flex-direction: column;
    gap: 16px;
    padding: 20px;
  }

  .route-connector {
    flex-direction: row;
    min-width: auto;
    width: 100%;
    justify-content: center;
    padding: 8px 0;
  }

  .connector-line {
    width: 60px;
    height: 3px;
    margin-bottom: 0;
    margin-right: 8px;
  }

  .connector-line::after {
    right: -6px;
    top: -4px;
    transform: rotate(45deg);
  }

  .route-city {
    min-width: auto;
    padding: 12px;
  }

  .city-dot {
    font-size: 28px;
  }

  .city-name {
    font-size: 12px;
  }

  .city-sub {
    font-size: 10px;
  }

  .feature-list {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-item {
    padding: 16px;
    gap: 12px;
  }

  .feature-icon {
    font-size: 24px;
  }

  .feature-item h4 {
    font-size: 14px;
  }

  .feature-item p {
    font-size: 12px;
  }

  .case-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .case-img {
    height: 100px;
    font-size: 36px;
  }

  .case-body {
    padding: 16px;
  }

  .case-card h4 {
    font-size: 14px;
  }

  .case-card p {
    font-size: 12px;
  }

  .process-steps {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .process-step {
    padding: 16px;
  }

  .step-num {
    width: 32px;
    height: 32px;
    line-height: 32px;
    font-size: 14px;
  }

  .process-step h4 {
    font-size: 14px;
  }

  .process-step p {
    font-size: 12px;
  }

  /* 页面Hero响应式 */
  .page-hero h1 {
    font-size: 24px;
  }

  .page-hero p {
    font-size: 14px;
  }

  .breadcrumb {
    font-size: 12px;
  }

  /* Section响应式 */
  .section-header h2 {
    font-size: 20px;
  }

  .section-header p {
    font-size: 14px;
  }

  /* 车型/城市卡片响应式 */
  .vehicle-grid, .destination-grid {
    grid-template-columns: 1fr !important;
    gap: 12px;
  }

  /* CTA区域响应式 */
  .section-dark h2 {
    font-size: 20px;
  }

  .section-dark p {
    font-size: 14px;
  }

  .section-dark .btn {
    width: 100%;
    justify-content: center;
  }

  /* 快速入口条手机响应式 */
  .quick-bar {
    margin-top: 0;
    margin-left: 10px;
    margin-right: 10px;
    border-radius: 12px;
  }

  .quick-bar .container {
    flex-wrap: wrap;
  }

  .quick-item {
    flex: 0 0 calc(50% - 2px);
    padding: 16px 12px;
    gap: 10px;
    border-right: 1px solid var(--gray-100);
    border-bottom: 1px solid var(--gray-100);
  }

  .quick-item:nth-child(2n) {
    border-right: none;
  }

  .quick-item:nth-last-child(1),
  .quick-item:nth-last-child(2) {
    border-bottom: none;
  }

  .qi-icon {
    font-size: 20px;
  }

  .qi-text strong {
    font-size: 13px;
  }

  .qi-text span {
    font-size: 11px;
  }
}