/*
Theme Name: TianGuangAI Business
Theme URI: https://tianguangai.com
Author: TianGuangAI Network
Author URI: https://tianguangai.com
Description: 制造业外贸出海全链路服务响应式主题，适用于外贸出口、AI建站、GEO优化、谷歌SEO等服务型企业。支持自定义首页板块、服务展示、客户案例、合作流程、在线咨询等功能。
Version: 1.0.0
Requires at least: 5.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: tianguangai-business
Tags: business, responsive, custom-menu, featured-images, translation-ready
*/

/* ========================================
   CSS Variables & Reset
   ======================================== */
:root {
  --color-primary: #0f2b4c;
  --color-primary-light: #1a3a5f;
  --color-primary-dark: #091e38;
  --color-accent: #2563eb;
  --color-accent-light: #3b82f6;
  --color-accent-hover: #1d4ed8;
  --color-blue-bg: #f0f6ff;
  --color-blue-border: #bfdbfe;
  --color-blue-light: #dbeafe;
  --color-orange: #f97316;
  --color-orange-bg: #fff7ed;
  --color-orange-border: #fed7aa;
  --color-green: #22c55e;
  --color-green-bg: #f0fdf4;
  --color-green-border: #bbf7d0;
  --color-text: #1f2937;
  --color-text-secondary: #6b7280;
  --color-text-light: #9ca3af;
  --color-bg: #ffffff;
  --color-bg-gray: #f8fafc;
  --color-border: #e5e7eb;
  --color-footer-bg: #0a1e36;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --max-width: 1200px;
  --header-height: 70px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--color-accent-hover);
}

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

ul, ol {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ========================================
   Header & Navigation
   ======================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-primary);
  height: var(--header-height);
  transition: var(--transition);
}

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

.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 20px;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-logo {
  width: 40px;
  height: 40px;
  max-width: 100%;
  background: var(--color-accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 20px;
  flex-shrink: 0;
}

/* WordPress自定义Logo自适应 - 强制缩小 */
.custom-logo {
  max-width: 100px !important;
  max-height: 45px !important;
  width: auto !important;
  height: auto !important;
  object-fit: contain !important;
  display: block;
}

.custom-logo-link {
  display: flex;
  align-items: center;
  max-height: 50px;
  overflow: hidden;
}

/* 确保任何img标签在logo区域都被限制 */
.site-branding img {
  max-width: 100px !important;
  max-height: 45px !important;
  width: auto !important;
  height: auto !important;
  object-fit: contain !important;
}

/* 响应式Logo */
@media (max-width: 768px) {
  .site-logo {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }
  .custom-logo,
  .site-branding img {
    max-width: 80px !important;
    max-height: 36px !important;
  }
}

.site-title-wrap {
  display: flex;
  flex-direction: column;
}

.site-title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  margin: 0;
}

.site-title a {
  color: #fff;
}

.site-description {
  font-size: 11px;
  color: rgba(255,255,255,0.7);
  line-height: 1.3;
}

/* Main Navigation */
.main-navigation {
  display: flex;
  align-items: center;
}

.main-navigation ul {
  display: flex;
  gap: 4px;
}

.main-navigation ul li a {
  display: block;
  padding: 8px 16px;
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius);
  transition: var(--transition);
}

.main-navigation ul li a:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: 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);
}

/* ========================================
   Hero Section
   ======================================== */
.hero-section {
  padding: calc(var(--header-height) + 60px) 0 60px;
  background: linear-gradient(135deg, #f8faff 0%, #eef4ff 100%);
  min-height: 600px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

.hero-badge-icon {
  width: 20px;
  height: 20px;
  background: var(--color-blue-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
}

.hero-title {
  font-size: 56px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: 20px;
}

.hero-title-line {
  display: block;
}

.hero-subtitle {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--color-primary-light);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: #fff;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-1px);
}

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

.btn-accent:hover {
  background: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Dashboard Card */
.hero-dashboard {
  background: #fff;
  border: 2px solid var(--color-blue-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.dashboard-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-secondary);
  letter-spacing: 1px;
}

.dashboard-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--color-green);
}

.dashboard-status::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--color-green);
  border-radius: 50%;
}

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--color-bg-gray);
  border-radius: var(--radius);
  padding: 16px;
}

.stat-label {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-change {
  font-size: 12px;
  color: var(--color-green);
  margin-top: 2px;
}

.dashboard-chart {
  background: var(--color-bg-gray);
  border-radius: var(--radius);
  padding: 16px;
}

.chart-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 80px;
}

.chart-bar {
  flex: 1;
  background: linear-gradient(to top, var(--color-accent), var(--color-accent-light));
  border-radius: 3px 3px 0 0;
  min-height: 8px;
  transition: var(--transition);
}

.chart-bar:hover {
  opacity: 0.8;
}

.chart-labels {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}

.chart-labels span {
  flex: 1;
  text-align: center;
  font-size: 9px;
  color: var(--color-text-light);
}

/* ========================================
   Hero Features (4 Column Icons)
   ======================================== */
.hero-features {
  background: transparent;
  padding: 40px 0;
}

.hero-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.hero-feature-item {
  text-align: center;
  padding: 0;
  background: transparent;
  transition: all var(--transition);
}

.hero-feature-item:hover {
  transform: translateY(-3px);
}

.hero-feature-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: 0;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
}

.hero-feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.hero-feature-item:hover .hero-feature-image img {
  transform: scale(1.03);
}

.hero-feature-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-feature-placeholder::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
  animation: shimmer 3s ease-in-out infinite;
}

.hero-feature-item:hover .hero-feature-image {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

@keyframes shimmer {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20%, 20%); }
}

.hero-feature-placeholder span {
  font-size: 48px;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.hero-feature-item:nth-child(1) .hero-feature-placeholder {
  background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
}

.hero-feature-item:nth-child(2) .hero-feature-placeholder {
  background: linear-gradient(135deg, #7c3aed 0%, #a78bfa 100%);
}

.hero-feature-item:nth-child(3) .hero-feature-placeholder {
  background: linear-gradient(135deg, #059669 0%, #34d399 100%);
}

.hero-feature-item:nth-child(4) .hero-feature-placeholder {
  background: linear-gradient(135deg, #ea580c 0%, #fb923c 100%);
}

.hero-feature-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin: 12px 0 0;
  text-align: center;
}

/* Section Spacing */
.section {
  padding: 80px 0;
}

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

.section-light {
  background: #fff;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-desc {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ========================================
   About Section
   ======================================== */
.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 50px;
}

.about-stat-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}

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

.about-stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  font-size: 24px;
}

.about-stat-icon.blue { background: var(--color-blue-light); }
.about-stat-icon.orange { background: var(--color-orange-bg); }
.about-stat-icon.green { background: var(--color-green-bg); }

.about-stat-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.about-stat-label {
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* Why Choose Us */
.why-choose {
  margin-bottom: 50px;
}

.why-choose-title {
  background: var(--color-primary);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 24px;
  display: inline-block;
}

.why-choose-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.why-choose-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.why-choose-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.why-choose-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow);
}

.why-choose-item::before {
  content: "\2713";
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  background: var(--color-green-bg);
  color: var(--color-green);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
}

/* Trust Section */
.trust-section {
  margin-top: 50px;
}

.trust-title {
  background: var(--color-primary);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 24px;
  display: inline-block;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.trust-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.trust-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent);
}

.trust-card-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.trust-card-list li {
  font-size: 13px;
  color: var(--color-text-secondary);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}

.trust-card-list li::before {
  content: "\2022";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.trust-note {
  background: var(--color-orange-bg);
  border: 1px solid var(--color-orange-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.trust-note strong {
  color: var(--color-orange);
}

/* ========================================
   Services Section
   ======================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

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

.service-card-body {
  padding: 24px;
}

.service-card-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.service-card-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.service-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-blue-light);
  color: var(--color-accent);
  border-radius: 50px;
  font-size: 12px;
  font-weight: 500;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 14px;
}

.service-card-link:hover {
  gap: 10px;
}

/* ========================================
   Service Detail Section (Tabs)
   ======================================== */
.service-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 30px;
  flex-wrap: wrap;
  justify-content: center;
}

.service-tab {
  padding: 10px 24px;
  background: #fff;
  border: 2px solid var(--color-border);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.service-tab:hover,
.service-tab.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.service-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 24px;
}

.service-detail-card {
  background: #fff;
  border: 2px solid var(--color-blue-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.service-detail-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.service-detail-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-detail-list li {
  font-size: 14px;
  color: var(--color-text-secondary);
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}

.service-detail-list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.service-detail-note {
  background: var(--color-blue-bg);
  border: 1px solid var(--color-blue-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 14px;
  color: var(--color-text-secondary);
  text-align: center;
  line-height: 1.6;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ========================================
   Cases Section
   ======================================== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.case-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}

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

.case-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.case-industry {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
}

.case-location {
  font-size: 13px;
  color: var(--color-text-light);
}

.case-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.case-stat {
  text-align: center;
  padding: 12px 8px;
  background: var(--color-bg-gray);
  border-radius: var(--radius);
}

.case-stat-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent);
}

.case-stat-label {
  font-size: 11px;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.case-quote {
  font-size: 14px;
  color: var(--color-text-secondary);
  font-style: italic;
  line-height: 1.6;
  margin-bottom: 16px;
  padding-left: 16px;
  border-left: 3px solid var(--color-accent);
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.case-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-blue-light);
  color: var(--color-accent);
  border-radius: 50px;
  font-size: 12px;
}

/* ========================================
   FAQ Section
   ======================================== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--color-accent);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  transition: var(--transition);
}

.faq-question:hover {
  background: var(--color-bg-gray);
}

.faq-arrow {
  font-size: 12px;
  transition: transform 0.3s ease;
  color: var(--color-text-light);
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 24px 18px;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-cta {
  text-align: center;
  margin-top: 30px;
  font-size: 15px;
  color: var(--color-text-secondary);
}

.faq-cta a {
  color: var(--color-accent);
  font-weight: 600;
}

/* ========================================
   Process Section
   ======================================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.process-card {
  background: #fff;
  border: 2px solid var(--color-blue-border);
  border-radius: var(--radius-lg);
  padding: 24px 16px;
  text-align: center;
  position: relative;
  transition: var(--transition);
}

.process-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.process-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50%;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
}

.process-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.process-card-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 12px;
}

.process-deliverable {
  font-size: 12px;
  color: var(--color-accent);
  font-weight: 600;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

/* ========================================
   Contact Section
   ======================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  background: var(--color-blue-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-info-label {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 2px;
}

.contact-info-value {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
}

.contact-info-note {
  background: var(--color-blue-bg);
  border: 1px solid var(--color-blue-border);
  border-radius: var(--radius);
  padding: 16px;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-top: 16px;
}

/* Contact Form */
.contact-form {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
}

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

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-group label .required {
  color: #ef4444;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: var(--font-family);
  transition: var(--transition);
  background: #fff;
  color: var(--color-text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.form-checkboxes label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 400;
  font-size: 13px;
  cursor: pointer;
}

.form-checkboxes input[type="checkbox"] {
  width: auto;
}

.form-submit {
  margin-top: 8px;
}

.form-submit .btn {
  width: 100%;
  justify-content: center;
  padding: 14px;
  font-size: 16px;
}

/* ========================================
   Latest Posts Section
   ======================================== */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.post-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

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

.post-card-body {
  padding: 20px;
}

.post-card-date {
  font-size: 12px;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.post-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.post-card-title a {
  color: var(--color-primary);
}

.post-card-title a:hover {
  color: var(--color-accent);
}

.post-card-excerpt {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
}

.post-card-link {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 14px;
}

.posts-more {
  text-align: center;
  margin-top: 30px;
}

/* ========================================
   Partners Section
   ======================================== */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 30px;
  align-items: center;
}

.partner-item {
  background: #fff;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  overflow: hidden;
  transition: all 0.3s ease;
}

.partner-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  border-color: var(--color-primary-light);
}

.partner-link {
  display: block;
  width: 100%;
}

.partner-logo-wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 aspect ratio */
  overflow: hidden;
}

.partner-logo {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.partner-item:hover .partner-logo {
  transform: scale(1.05);
}

.partner-logo-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-align: center;
  padding: 10px;
}

@media (max-width: 1024px) {
  .partners-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .partners-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
  }
  
  .partner-item {
    padding: 15px;
    min-height: 80px;
  }
  
  .partner-logo {
    max-height: 50px;
  }
}

@media (max-width: 480px) {
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
  background: var(--color-footer-bg);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 30px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand-name {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
}

.footer-nav-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav-list a {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  transition: var(--transition);
}

.footer-nav-list a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
}

.footer-contact-item span:first-child {
  font-size: 16px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: rgba(255,255,255,0.4);
  font-size: 13px;
}

.footer-bottom-links a:hover {
  color: rgba(255,255,255,0.7);
}

/* ========================================
   Single Post / Page Styles
   ======================================== */
.page-header {
  background: var(--color-primary);
  padding: calc(var(--header-height) + 40px) 0 40px;
  text-align: center;
}

.page-header h1 {
  color: #fff;
  font-size: 32px;
  font-weight: 700;
}

.page-header .page-header-desc,
.page-header-desc {
  color: #fff !important;
  font-size: 16px;
  margin-top: 12px;
  opacity: 0.9;
}

.page-header .breadcrumb {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  margin-top: 8px;
}

.page-header .breadcrumb a {
  color: rgba(255,255,255,0.8);
}

.content-area {
  padding: 60px 0;
}

.content-wrapper {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
}

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

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

.content-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 20px);
}

/* Article Styles */
.article-content {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--color-border);
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
  color: var(--color-primary);
  margin: 24px 0 12px;
}

.article-content h1 { font-size: 28px; }
.article-content h2 { font-size: 24px; }
.article-content h3 { font-size: 20px; }
.article-content h4 { font-size: 18px; }

.article-content p {
  margin-bottom: 16px;
  line-height: 1.8;
  color: var(--color-text);
}

.article-content img {
  border-radius: var(--radius);
  margin: 20px 0;
}

.article-content blockquote {
  border-left: 4px solid var(--color-accent);
  padding: 16px 20px;
  margin: 20px 0;
  background: var(--color-bg-gray);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.article-content ul,
.article-content ol {
  margin: 16px 0;
  padding-left: 24px;
}

.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }

.article-content li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* Sidebar Widgets */
.widget {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

.widget-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
}

.widget ul li {
  margin-bottom: 8px;
}

.widget ul li a {
  color: var(--color-text-secondary);
  font-size: 14px;
  transition: var(--transition);
}

.widget ul li a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

/* Search Form */
.search-form {
  display: flex;
  gap: 8px;
}

.search-form input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 14px;
}

.search-form input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.search-form button {
  padding: 10px 16px;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
  transition: var(--transition);
}

.search-form button:hover {
  background: var(--color-accent-hover);
}

/* ========================================
   404 Page
   ======================================== */
.error-404 {
  text-align: center;
  padding: 100px 20px;
}

.error-404-code {
  font-size: 120px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 16px;
}

.error-404-title {
  font-size: 24px;
  color: var(--color-text);
  margin-bottom: 12px;
}

.error-404-desc {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-bottom: 30px;
}

/* ========================================
   Comments
   ======================================== */
.comments-area {
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}

.comments-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.comment-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 30px;
}

.comment-item {
  padding: 20px;
  background: var(--color-bg-gray);
  border-radius: var(--radius);
}

.comment-author {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.comment-date {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.comment-content {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.comment-reply-link {
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 600;
}

/* Comment Form */
.comment-form {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.comment-form label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}

.comment-form input,
.comment-form textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 14px;
  margin-bottom: 16px;
  font-family: var(--font-family);
}

.comment-form textarea {
  min-height: 120px;
  resize: vertical;
}

.comment-form input:focus,
.comment-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.comment-form .form-submit {
  margin-top: 0;
}

/* ========================================
   Pagination
   ======================================== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.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-border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--color-text-secondary);
  transition: var(--transition);
}

.pagination a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.pagination .current {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* ========================================
   Back to Top
   ======================================== */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
}

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

.back-to-top:hover {
  background: var(--color-accent);
  transform: translateY(-3px);
}

/* ========================================
   WordPress Specific
   ======================================== */
.alignleft {
  float: left;
  margin-right: 20px;
}

.alignright {
  float: right;
  margin-left: 20px;
}

.aligncenter {
  display: block;
  margin: 0 auto;
}

.wp-caption {
  max-width: 100%;
}

.wp-caption-text {
  font-size: 13px;
  color: var(--color-text-secondary);
  text-align: center;
  padding: 8px 0;
}

.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  position: absolute;
  height: 1px;
  width: 1px;
  overflow: hidden;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }

  .hero-dashboard {
    max-width: 100%;
  }

  .hero-features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

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

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

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

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }

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

  .content-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  .menu-toggle {
    display: flex;
  }

  .main-navigation {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-primary);
    flex-direction: column;
    align-items: stretch;
    padding: 20px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
  }

  .main-navigation.open {
    transform: translateX(0);
  }

  .main-navigation ul {
    flex-direction: column;
    gap: 4px;
  }

  .main-navigation ul li a {
    padding: 12px 16px;
    font-size: 16px;
    border-radius: var(--radius);
  }

  .hero-section {
    padding: calc(var(--header-height) + 40px) 0 40px;
    min-height: auto;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }

  .hero-badge {
    justify-content: center;
  }

  .hero-title {
    font-size: 36px;
  }

  .hero-subtitle {
    font-size: 14px;
  }

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

  .hero-buttons .btn {
    justify-content: center;
  }

  .hero-features {
    padding: 30px 0;
  }

  .hero-features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }

  .hero-feature-item {
    padding: 20px 15px;
  }

  .services-grid,
  .service-detail-grid,
  .cases-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

.hero-feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}


.hero-feature-item:hover .hero-feature-image img {
  transform: scale(1.08);
}

.hero-feature-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}


@keyframes shimmer {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20%, 20%); }
}

.hero-feature-placeholder span {
  font-size: 48px;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.hero-feature-item:nth-child(1) .hero-feature-placeholder {
  background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
}

.hero-feature-item:nth-child(2) .hero-feature-placeholder {
  background: linear-gradient(135deg, #7c3aed 0%, #a78bfa 100%);
}

.hero-feature-item:nth-child(3) .hero-feature-placeholder {
  background: linear-gradient(135deg, #059669 0%, #34d399 100%);
}

.hero-feature-item:nth-child(4) .hero-feature-placeholder {
  background: linear-gradient(135deg, #ea580c 0%, #fb923c 100%);
}

.hero-feature-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin: 12px 0 0;
  text-align: center;
}

  .why-choose-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

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

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

  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .article-content {
    padding: 24px;
  }

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

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

@media (max-width: 480px) {
  .hero-title {
    font-size: 28px;
  }

  .hero-features-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .hero-feature-item {
    padding: 15px 10px;
  }


.hero-feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}


.hero-feature-item:hover .hero-feature-image img {
  transform: scale(1.08);
}

.hero-feature-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}


@keyframes shimmer {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20%, 20%); }
}

.hero-feature-placeholder span {
  font-size: 48px;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.hero-feature-item:nth-child(1) .hero-feature-placeholder {
  background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
}

.hero-feature-item:nth-child(2) .hero-feature-placeholder {
  background: linear-gradient(135deg, #7c3aed 0%, #a78bfa 100%);
}

.hero-feature-item:nth-child(3) .hero-feature-placeholder {
  background: linear-gradient(135deg, #059669 0%, #34d399 100%);
}

.hero-feature-item:nth-child(4) .hero-feature-placeholder {
  background: linear-gradient(135deg, #ea580c 0%, #fb923c 100%);
}

.hero-feature-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin: 12px 0 0;
  text-align: center;
}

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

  .service-tab {
    text-align: center;
  }

  .error-404-code {
    font-size: 80px;
  }
}

/* ============================================
   浮动客服按钮
   ============================================ */
.floating-cs-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #1a56db, #0d3a99);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(26, 86, 219, 0.4);
  z-index: 999;
  transition: all 0.3s ease;
  border: none;
  outline: none;
}

.floating-cs-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(26, 86, 219, 0.6);
}

.floating-cs-btn::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: rgba(26, 86, 219, 0.3);
  animation: cs-pulse 2s infinite;
}

@keyframes cs-pulse {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}

.floating-cs-label {
  position: absolute;
  right: 65px;
  background: #1a2e4a;
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.floating-cs-btn:hover .floating-cs-label {
  opacity: 1;
}

.floating-cs-label::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: #1a2e4a;
  border-right: none;
}

/* ============================================
   客服弹窗
   ============================================ */
.floating-cs-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  align-items: center;
  justify-content: center;
}

.floating-cs-modal.active {
  display: flex;
}

.floating-cs-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.floating-cs-modal-content {
  position: relative;
  background: #fff;
  border-radius: 16px;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: cs-modal-in 0.3s ease;
  overflow: hidden;
}

@keyframes cs-modal-in {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.floating-cs-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  background: rgba(0, 0, 0, 0.05);
  border: none;
  border-radius: 50%;
  font-size: 20px;
  color: #666;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  z-index: 1;
}

.floating-cs-modal-close:hover {
  background: rgba(0, 0, 0, 0.1);
  color: #333;
}

.floating-cs-modal-header {
  background: linear-gradient(135deg, #1a56db, #0d3a99);
  color: #fff;
  padding: 24px;
  text-align: center;
}

.floating-cs-modal-header h3 {
  font-size: 20px;
  margin: 0 0 6px;
}

.floating-cs-modal-header p {
  font-size: 13px;
  opacity: 0.85;
  margin: 0;
}

.floating-cs-modal-body {
  padding: 24px;
}

.floating-cs-wechat h4,
.floating-cs-phone h4 {
  font-size: 14px;
  color: #1a2e4a;
  margin: 0 0 12px;
  text-align: center;
}

.floating-cs-qr-wrapper {
  width: 160px;
  height: 160px;
  margin: 0 auto 10px;
  border: 2px solid #e8f0fe;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8fafc;
}

.floating-cs-qr-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.floating-cs-qr-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f0fdf4;
  border-radius: 10px;
}

.floating-cs-wechat-id {
  text-align: center;
  font-size: 13px;
  color: #666;
  margin: 0;
}

.floating-cs-divider {
  display: flex;
  align-items: center;
  margin: 20px 0;
  color: #999;
  font-size: 13px;
}

.floating-cs-divider::before,
.floating-cs-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: #e5e7eb;
}

.floating-cs-divider span {
  padding: 0 12px;
}

.floating-cs-phone-number {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #f0fdf4;
  color: #10b981;
  padding: 12px 20px;
  border-radius: 10px;
  text-decoration: none;
  font-size: 18px;
  font-weight: 700;
  transition: all 0.2s ease;
}

.floating-cs-phone-number:hover {
  background: #dcfce7;
  transform: scale(1.02);
}

.floating-cs-work-hours {
  text-align: center;
  font-size: 12px;
  color: #999;
  margin: 8px 0 0;
}

/* 响应式客服按钮 */
@media (max-width: 768px) {
  .floating-cs-btn {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }
  
  .floating-cs-btn svg {
    width: 24px;
    height: 24px;
  }
  
  .floating-cs-label {
    display: none;
  }
  
  .back-to-top {
    bottom: 85px;
    right: 20px;
    width: 40px;
    height: 40px;
  }
  
  .floating-cs-modal-content {
    width: 92%;
    max-width: 360px;
  }
}