/* ===== 全局重置与基础 ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #0d6efd;
  --primary-dark: #0856c5;
  --secondary: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  --dark: #1a2a3a;
  --text: #333;
  --text-light: #666;
  --border: #e0e6ed;
  --bg-light: #f8f9fa;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.15);
  --radius: 12px;
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Microsoft YaHei', '微软雅黑', 'PingFang SC', sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: #fff;
}

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

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

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

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

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13,110,253,0.4);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.7);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border-color: #fff;
}
.btn-outline-primary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline-primary:hover {
  background: var(--primary);
  color: #fff;
}
.btn-warning {
  background: var(--warning);
  color: #333;
  border-color: var(--warning);
}
.btn-warning:hover {
  background: #e0a800;
  border-color: #e0a800;
  color: #333;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,193,7,0.4);
}
.btn-light {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}
.btn-light:hover {
  background: #f0f0f0;
  color: var(--primary-dark);
}
.btn-lg { padding: 15px 36px; font-size: 16px; }
.btn-sm { padding: 7px 18px; font-size: 13px; }
.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
  font-size: 13px;
  padding: 8px 18px;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border-color: #fff;
}

/* ===== 顶部信息栏 ===== */
.top-bar {
  background: var(--dark);
  color: rgba(255,255,255,0.8);
  font-size: 13px;
  padding: 8px 0;
}
.top-bar .container {
  display: flex;
  gap: 30px;
  align-items: center;
  flex-wrap: wrap;
}
.top-bar span { display: flex; align-items: center; gap: 6px; }
.top-bar i { color: var(--warning); }

/* ===== 导航栏 ===== */
.header {
  background: #fff;
  box-shadow: 0 2px 15px rgba(0,0,0,0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}
.header.scrolled {
  box-shadow: 0 4px 25px rgba(0,0,0,0.12);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--dark);
  min-width: 320px;
}
.logo-text h1 {
  font-size: 24px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.3;
  letter-spacing: 1px;
  white-space: nowrap;
}
.logo-text p {
  font-size: 14px;
  color: var(--primary);
  line-height: 1;
  margin-top: 6px;
  font-weight: 500;
  letter-spacing: 3px;
}

/* 手机端适配 */
@media (max-width: 768px) {
  .logo {
    min-width: auto;
  }
  .logo-text h1 {
    font-size: 16px;
    letter-spacing: 0.5px;
  }
  .logo-text p {
    font-size: 11px;
    letter-spacing: 1px;
    margin-top: 3px;
  }
}

@media (max-width: 480px) {
  .logo-text h1 {
    font-size: 14px;
  }
  .logo-text p {
    font-size: 10px;
  }
}
.nav {
  display: flex;
  align-items: center;
  gap: 5px;
}
.nav a {
  padding: 8px 16px;
  color: var(--text);
  font-size: 15px;
  border-radius: 8px;
  transition: var(--transition);
  font-weight: 500;
}
.nav a:hover, .nav a.active {
  color: var(--primary);
  background: rgba(13,110,253,0.08);
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--dark);
  padding: 8px;
}

/* ===== Hero 轮播 ===== */
.hero {
  position: relative;
  height: 560px;
  overflow: hidden;
}
.hero-slides { position: relative; width: 100%; height: 100%; }
.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  padding: 0 80px;
  opacity: 0;
  transition: opacity 0.7s ease;
}
.hero-slide.active { opacity: 1; z-index: 1; }
.hero-content {
  color: #fff;
  flex: 1;
  max-width: 600px;
}
.hero-content h2 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.hero-content p {
  font-size: 20px;
  opacity: 0.9;
  margin-bottom: 10px;
}
.hero-sub {
  font-size: 15px !important;
  opacity: 0.75 !important;
  margin-bottom: 30px !important;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-icon-wrap {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.12;
}
.hero-big-icon { font-size: 260px; color: #fff; }
.hero-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}
.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: var(--transition);
}
.dot.active {
  background: #fff;
  width: 28px;
  border-radius: 5px;
}
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.2);
  border: 2px solid rgba(255,255,255,0.5);
  color: #fff;
  width: 50px; height: 50px;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-arrow:hover { background: rgba(255,255,255,0.35); }
.hero-arrow.prev { left: 20px; }
.hero-arrow.next { right: 20px; }

/* ===== 快速预约 ===== */
.quick-book {
  background: #fff;
  padding: 0;
  position: relative;
  z-index: 5;
  margin-top: -1px;
}
.quick-book-inner {
  background: var(--primary);
  border-radius: 0;
  padding: 24px 40px;
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.quick-book-title {
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.quick-form {
  flex: 1;
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.quick-form input,
.quick-form select {
  flex: 1;
  min-width: 150px;
  padding: 12px 18px;
  border: none;
  border-radius: 50px;
  font-size: 14px;
  outline: none;
  color: var(--text);
}
.quick-form input:focus,
.quick-form select:focus {
  box-shadow: 0 0 0 3px rgba(255,255,255,0.3);
}

/* ===== 数据统计 ===== */
.stats {
  background: var(--dark);
  padding: 50px 0;
}
.stats .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.stat-item {
  text-align: center;
  color: #fff;
  padding: 20px;
}
.stat-icon {
  font-size: 36px;
  color: var(--warning);
  margin-bottom: 12px;
}
.stat-num {
  font-size: 48px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
}

/* ===== 通用 Section ===== */
.section { padding: 80px 0; }
.section-title {
  text-align: center;
  margin-bottom: 50px;
}
.section-title h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}
.section-title h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--primary);
  margin: 12px auto 0;
  border-radius: 2px;
}
.section-title p {
  color: var(--text-light);
  font-size: 16px;
  margin-top: 16px;
}

/* ===== 服务卡片 ===== */
.service-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.service-card {
  background: #fff;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-6px);
}
.service-card.featured {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}
.service-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--warning);
  color: #333;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
}
.service-card-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin-bottom: 24px;
}
.service-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 14px;
}
.service-card p {
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 20px;
}
.service-more {
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.service-more:hover { gap: 10px; }

/* ===== 检测流程 ===== */
.process-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}
.process-step {
  text-align: center;
  flex: 1;
  min-width: 160px;
  padding: 30px 20px;
  position: relative;
}
.step-num {
  font-size: 48px;
  font-weight: 900;
  color: var(--border);
  line-height: 1;
  margin-bottom: 16px;
}
.step-icon {
  width: 72px;
  height: 72px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 28px;
  color: #fff;
  box-shadow: 0 8px 25px rgba(13,110,253,0.3);
  transition: var(--transition);
}
.process-step:hover .step-icon {
  transform: scale(1.1);
  box-shadow: 0 12px 35px rgba(13,110,253,0.4);
}
.process-step h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}
.process-step p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}
.process-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 60px;
  color: var(--primary);
  font-size: 22px;
  opacity: 0.4;
}

/* ===== 特色 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.feature-item {
  background: #fff;
  padding: 36px 28px;
  border-radius: var(--radius);
  text-align: center;
  border: 2px solid var(--border);
  transition: var(--transition);
}
.feature-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.feature-item > i {
  font-size: 40px;
  color: var(--primary);
  margin-bottom: 18px;
}
.feature-item h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}
.feature-item p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== 新闻 ===== */
.news-list { display: flex; flex-direction: column; gap: 24px; }
.news-item {
  display: flex;
  gap: 24px;
  padding: 24px;
  background: #fff;
  border-radius: var(--radius);
  border: 2px solid var(--border);
  transition: var(--transition);
}
.news-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}
.news-date {
  flex-shrink: 0;
  width: 80px;
  text-align: center;
  background: var(--primary);
  border-radius: 10px;
  padding: 14px 10px;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.news-date .day {
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
}
.news-date .month {
  font-size: 11px;
  opacity: 0.85;
  margin-top: 4px;
}
.news-content h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.news-content h4 a {
  color: var(--dark);
}
.news-content h4 a:hover { color: var(--primary); }
.news-content p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== CTA Banner ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--primary), #0856c5);
  padding: 60px 0;
  text-align: center;
  color: #fff;
}
.cta-banner h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-banner p {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 30px;
}

/* ===== 页脚 ===== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.75);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-logo i {
  font-size: 24px;
  color: var(--warning);
}
.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
}
.footer-contact p {
  font-size: 14px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-contact i { color: var(--warning); width: 16px; }
.footer h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
}
.footer ul { list-style: none; }
.footer ul li {
  margin-bottom: 10px;
}
.footer ul li a {
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  transition: var(--transition);
}
.footer ul li a:hover {
  color: var(--warning);
  padding-left: 6px;
}
.footer-col p {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.footer-col p i {
  color: var(--warning);
  width: 16px;
  margin-top: 3px;
  flex-shrink: 0;
}
.footer-map-btn { margin-top: 16px; }
.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
}

/* ===== 返回顶部按钮 ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 15px rgba(13,110,253,0.4);
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  z-index: 999;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}
.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(13,110,253,0.5);
}

/* ===== 在线客服浮动按钮 ===== */
.float-contact {
  position: fixed;
  bottom: 100px;
  right: 30px;
  z-index: 998;
}
.float-contact-btn {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--secondary) 0%, #1e7e34 100%);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: 0 4px 15px rgba(40,167,69,0.4);
  transition: all 0.3s ease;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}
.float-contact-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 25px rgba(40,167,69,0.5);
}
.float-contact-menu {
  position: absolute;
  bottom: 70px;
  right: 0;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
  padding: 12px;
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
}
.float-contact-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.float-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.float-contact-item:hover {
  background: var(--bg-light);
  color: var(--primary);
}
.float-contact-item i {
  width: 20px;
  text-align: center;
}

/* ===== 页面内部通用 ===== */
.page-banner {
  background: linear-gradient(135deg, var(--dark), #1a3a5c);
  padding: 70px 0;
  text-align: center;
  color: #fff;
}
.page-banner h1 {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 14px;
}
.page-banner p {
  font-size: 16px;
  opacity: 0.8;
}
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 14px;
  opacity: 0.7;
}
.breadcrumb a { color: rgba(255,255,255,0.8); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-size: 10px; }

/* ===== 预约表单 ===== */
.appointment-section { padding: 80px 0; }
.appointment-form-wrap {
  max-width: 800px;
  margin: 0 auto;
  background: #fff;
  border-radius: 20px;
  box-shadow: var(--shadow-hover);
  overflow: hidden;
}
.form-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 36px 40px;
  color: #fff;
  text-align: center;
}
.form-header h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}
.form-header p { opacity: 0.85; font-size: 15px; }
.form-body { padding: 40px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group.full { grid-column: 1 / -1; }
.form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
}
.form-group label span { color: var(--danger); }
.form-control {
  padding: 13px 18px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  color: var(--text);
  transition: var(--transition);
  outline: none;
  width: 100%;
  font-family: inherit;
}
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(13,110,253,0.1);
}
.form-control::placeholder { color: #aaa; }
textarea.form-control { min-height: 120px; resize: vertical; }
.form-submit {
  text-align: center;
  margin-top: 10px;
}
.form-submit .btn {
  padding: 15px 50px;
  font-size: 16px;
}
.form-notice {
  text-align: center;
  color: var(--text-light);
  font-size: 13px;
  margin-top: 16px;
}
.form-notice i { color: var(--warning); }

/* ===== 联系页 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}
.contact-info-card h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 30px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--border);
}
.contact-info-item {
  display: flex;
  gap: 18px;
  margin-bottom: 28px;
  align-items: flex-start;
}
.contact-info-icon {
  width: 52px;
  height: 52px;
  background: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  flex-shrink: 0;
}
.contact-info-text h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}
.contact-info-text p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}
.map-placeholder {
  background: #e8f4fd;
  border-radius: var(--radius);
  height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 16px;
  border: 2px dashed var(--primary);
  gap: 12px;
}
.map-placeholder i { font-size: 56px; opacity: 0.4; }

/* ===== 关于页 ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-img-wrap {
  background: linear-gradient(135deg, #e8f4fd, #d0e8ff);
  border-radius: 20px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 120px;
  color: var(--primary);
  opacity: 0.6;
}
.about-text h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 20px;
}
.about-text p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.9;
  margin-bottom: 20px;
}
.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 30px;
}
.highlight-item {
  background: var(--bg-light);
  border-radius: 10px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.highlight-item i {
  font-size: 20px;
  color: var(--primary);
}
.highlight-item span {
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
}

/* ===== 服务详情 ===== */
.service-detail-card {
  background: #fff;
  border-radius: var(--radius);
  border: 2px solid var(--border);
  overflow: hidden;
  margin-bottom: 40px;
  transition: var(--transition);
}
.service-detail-card:hover { box-shadow: var(--shadow); }
.service-detail-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 36px 40px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 24px;
}
.service-detail-header i { font-size: 48px; opacity: 0.9; }
.service-detail-header h3 { font-size: 26px; font-weight: 800; margin-bottom: 8px; }
.service-detail-header p { opacity: 0.85; font-size: 15px; }
.service-detail-body { padding: 40px; }
.service-items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.service-item {
  background: var(--bg-light);
  border-radius: 10px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text);
}
.service-item i { color: var(--secondary); font-size: 16px; }

/* ===== 后台登录 ===== */
.admin-login-wrap {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--dark), #1a3a5c);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}
.admin-login-box {
  background: #fff;
  border-radius: 20px;
  padding: 50px 50px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.admin-login-logo {
  text-align: center;
  margin-bottom: 36px;
}
.admin-login-logo .logo-icon {
  width: 70px;
  height: 70px;
  font-size: 30px;
  margin: 0 auto 16px;
}
.admin-login-logo h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 6px;
}
.admin-login-logo p {
  font-size: 14px;
  color: var(--text-light);
}
.login-form .form-group { margin-bottom: 20px; }
.input-wrap {
  position: relative;
}
.input-wrap i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: #aaa;
  font-size: 16px;
}
.input-wrap .form-control { padding-left: 44px; }
.login-btn { width: 100%; margin-top: 10px; justify-content: center; }

/* ===== 管理后台 ===== */
.admin-layout {
  display: flex;
  min-height: 100vh;
}
.admin-sidebar {
  width: 260px;
  background: var(--dark);
  color: #fff;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}
.admin-sidebar-logo {
  padding: 28px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  gap: 12px;
}
.admin-sidebar-logo .logo-icon {
  width: 40px;
  height: 40px;
  font-size: 18px;
}
.admin-sidebar-logo span {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
}
.admin-nav { flex: 1; padding: 20px 0; }
.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  transition: var(--transition);
  cursor: pointer;
  border-left: 3px solid transparent;
}
.admin-nav-item:hover, .admin-nav-item.active {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border-left-color: var(--primary);
}
.admin-nav-item i { width: 20px; text-align: center; font-size: 16px; }
.admin-main {
  flex: 1;
  background: #f0f2f5;
  display: flex;
  flex-direction: column;
}
.admin-topbar {
  background: #fff;
  padding: 0 32px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.admin-topbar h2 { font-size: 20px; font-weight: 700; color: var(--dark); }
.admin-topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  color: var(--text-light);
}
.admin-content { padding: 32px; flex: 1; }
.admin-stat-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}
.admin-stat-card {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.admin-stat-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
}
.admin-stat-text .num {
  font-size: 30px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1;
}
.admin-stat-text .label {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 4px;
}
.admin-table-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  overflow: hidden;
  margin-bottom: 24px;
}
.admin-table-header {
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.admin-table-header h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
}
table {
  width: 100%;
  border-collapse: collapse;
}
thead th {
  background: var(--bg-light);
  padding: 13px 20px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light);
  border-bottom: 1px solid var(--border);
}
tbody td {
  padding: 14px 20px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg-light); }
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.status-pending { background: #fff3cd; color: #856404; }
.status-confirmed { background: #d1e7dd; color: #0a3622; }
.status-completed { background: #cfe2ff; color: #084298; }
.status-cancelled { background: #f8d7da; color: #842029; }
.action-btns { display: flex; gap: 8px; }
.action-btn {
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  border: none;
  font-weight: 600;
  transition: var(--transition);
}
.action-btn-primary { background: #cfe2ff; color: var(--primary); }
.action-btn-primary:hover { background: var(--primary); color: #fff; }
.action-btn-danger { background: #f8d7da; color: var(--danger); }
.action-btn-danger:hover { background: var(--danger); color: #fff; }
.action-btn-success { background: #d1e7dd; color: var(--secondary); }
.action-btn-success:hover { background: var(--secondary); color: #fff; }

/* ===== 通知弹窗 ===== */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--dark);
  color: #fff;
  padding: 16px 24px;
  border-radius: 12px;
  font-size: 15px;
  box-shadow: var(--shadow-hover);
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateY(80px);
  opacity: 0;
  transition: 0.4s ease;
  z-index: 9999;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { border-left: 4px solid var(--secondary); }
.toast.error { border-left: 4px solid var(--danger); }
.toast i { font-size: 20px; }
.toast.success i { color: var(--secondary); }
.toast.error i { color: var(--danger); }

/* ===== 企业资质卡片 ===== */
.qualification-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.qualification-card {
  background: #fff;
  border-radius: 16px;
  padding: 30px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.qualification-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.qualification-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.qualification-icon i {
  font-size: 28px;
}
.qualification-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}
.qualification-card > p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}
.qualification-card > img {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
  margin-top: auto;
}
.qualification-card > img:hover {
  transform: scale(1.02);
}
.qualification-images {
  display: flex;
  gap: 12px;
  width: 100%;
  margin-top: auto;
}
.qualification-images img {
  flex: 1;
  max-height: 200px;
  object-fit: contain;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}
.qualification-images img:hover {
  transform: scale(1.02);
}

/* ===== Lightbox 预览 ===== */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
.lightbox-overlay.active {
  display: flex;
}
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: 2px solid rgba(255,255,255,0.4);
  color: #fff;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  z-index: 10001;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-close:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
}
.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 82vh;
  overflow: auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
.lightbox-content img {
  max-width: 90vw;
  max-height: none;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
  user-select: none;
  -webkit-user-drag: none;
}
.lightbox-watermark {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    -30deg,
    transparent,
    transparent 120px,
    rgba(255,255,255,0.04) 120px,
    rgba(255,255,255,0.04) 121px
  );
  overflow: hidden;
}
.lightbox-watermark::before {
  content: '庆阳华欣汽车检测 庆阳华欣汽车检测 庆阳华欣汽车检测 庆阳华欣汽车检测 庆阳华欣汽车检测 庆阳华欣汽车检测';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  font-size: 22px;
  color: rgba(255,255,255,0.12);
  font-weight: 700;
  letter-spacing: 20px;
  white-space: nowrap;
  transform: rotate(-25deg);
  transform-origin: center;
  line-height: 80px;
  word-spacing: 40px;
}
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.12);
  border: 2px solid rgba(255,255,255,0.3);
  color: #fff;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  z-index: 10001;
  transition: var(--transition);
  display: none;
  align-items: center;
  justify-content: center;
}
.lightbox-nav.visible {
  display: flex;
}
.lightbox-nav:hover {
  background: rgba(255,255,255,0.25);
  border-color: #fff;
}
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }
.lightbox-footer {
  margin-top: 16px;
  color: rgba(255,255,255,0.75);
  font-size: 14px;
  display: flex;
  gap: 16px;
  align-items: center;
}

.news-sidebar { position: sticky; top: 90px; }
.news-layout { display: grid; grid-template-columns: 1fr 300px; gap: 30px; align-items: start; }
.news-main { min-width: 0; }
.news-categories { background: #fff; border-radius: 14px; padding: 28px; border: 2px solid var(--border); }
.quality-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.cta-banner strong { color: #fff; }

/* ===== 导航栏分享按钮 ===== */
.nav-share-btn {
  background: none;
  border: 2px solid var(--primary);
  color: var(--primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: var(--transition);
  flex-shrink: 0;
}
.nav-share-btn:hover {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05);
}

/* ===== 分享面板 ===== */
.share-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 10001;
  display: none;
  align-items: flex-end;
  justify-content: center;
}
.share-overlay.active {
  display: flex;
}
.share-panel {
  background: #fff;
  border-radius: 20px 20px 0 0;
  width: 100%;
  max-width: 480px;
  padding: 32px 24px;
  padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
}
.share-overlay.active .share-panel {
  transform: translateY(0);
}
.share-panel-handle {
  width: 40px;
  height: 4px;
  background: #ddd;
  border-radius: 2px;
  margin: 0 auto 24px;
}
.share-panel h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  text-align: center;
  margin-bottom: 8px;
}
.share-panel .share-desc {
  text-align: center;
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 24px;
}
.share-options {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.share-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  background: none;
  padding: 8px;
  border-radius: 12px;
  min-width: 72px;
}
.share-option:hover {
  background: var(--bg-light);
}
.share-option-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  transition: var(--transition);
}
.share-option:hover .share-option-icon {
  transform: scale(1.08);
}
.share-option-icon.wechat { background: #07c160; }
.share-option-icon.link { background: var(--primary); }
.share-option-icon.qrcode { background: #333; }
.share-option-icon.browser { background: #ff6d00; }
.share-option span {
  font-size: 12px;
  color: var(--text);
  font-weight: 500;
}
.share-cancel {
  display: block;
  width: 100%;
  margin-top: 24px;
  padding: 14px;
  border: 2px solid var(--border);
  border-radius: 12px;
  background: #fff;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: var(--transition);
}
.share-cancel:hover {
  background: var(--bg-light);
}

/* ===== 分享二维码弹窗 ===== */
.share-qr-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 10002;
  display: none;
  align-items: center;
  justify-content: center;
}
.share-qr-modal.active {
  display: flex;
}
.share-qr-card {
  background: #fff;
  border-radius: 20px;
  padding: 36px 32px;
  text-align: center;
  max-width: 320px;
  width: 90%;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.share-qr-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}
.share-qr-card .share-qr-url {
  font-size: 13px;
  color: var(--primary);
  margin-bottom: 20px;
  word-break: break-all;
}
.share-qr-card img {
  width: 200px;
  height: 200px;
  margin: 0 auto 20px;
  border-radius: 8px;
  border: 2px solid var(--border);
}
.share-qr-card p {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 20px;
}
.share-qr-close {
  padding: 10px 36px;
  border: none;
  border-radius: 50px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.share-qr-close:hover {
  background: var(--primary-dark);
}

@media (max-width: 768px) {
  .nav-share-btn {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }
  .share-panel { padding: 24px 20px; }
  .share-option-icon { width: 50px; height: 50px; font-size: 20px; }
  .share-option { min-width: 64px; }
}

@media (max-width: 992px) {
  .news-sidebar { position: static; }
  .news-layout { grid-template-columns: 1fr; }
  .quality-grid { grid-template-columns: repeat(2, 1fr); }
  .stats .container { grid-template-columns: repeat(2, 1fr); }
  .service-cards { grid-template-columns: 1fr 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero { height: 440px; }
  .hero-content h2 { font-size: 36px; }
  .hero-big-icon { font-size: 180px; }
  .admin-stat-cards { grid-template-columns: repeat(2, 1fr); }
  .service-items { grid-template-columns: 1fr 1fr; }
  .qualification-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .top-bar .container { gap: 12px; font-size: 12px; }
  .nav { display: none; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: #fff; box-shadow: 0 8px 20px rgba(0,0,0,0.1); padding: 16px; gap: 4px; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 16px; border-radius: 8px; }
  .nav-toggle { display: flex; }
  .header .container { position: relative; }
  .hero { height: 360px; }
  .hero-slide { padding: 0 30px; }
  .hero-content h2 { font-size: 28px; }
  .hero-content p { font-size: 16px; }
  .hero-icon-wrap { display: none; }
  .quick-book-inner { flex-direction: column; padding: 20px 24px; }
  .quick-form { flex-direction: column; }
  .quick-form input, .quick-form select { width: 100%; }
  .service-cards { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { flex-direction: column; align-items: center; }
  .process-arrow { transform: rotate(90deg); padding: 0; height: 30px; }
  .stats .container { grid-template-columns: repeat(2, 1fr); }
  .stat-num { font-size: 36px; }
  .section { padding: 50px 0; }
  .section-title h2 { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .admin-layout { flex-direction: column; }
  .admin-sidebar { width: 100%; }
  .admin-stat-cards { grid-template-columns: 1fr 1fr; }
  .cta-banner h2 { font-size: 26px; }
  .page-banner h1 { font-size: 30px; }
  .service-items { grid-template-columns: 1fr; }
  .qualification-grid { grid-template-columns: 1fr; }
  .qualification-images { flex-direction: column; }
  .quality-grid { grid-template-columns: 1fr; }
  .news-categories { order: -1; }
  .news-layout { grid-template-columns: 1fr !important; }
  .news-sidebar-quick-book,
  .news-sidebar-contact { display: none; }
}

@media (max-width: 480px) {
  .feature-grid { grid-template-columns: 1fr; }
  .admin-stat-cards { grid-template-columns: 1fr; }
  .about-highlights { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .hero-btns .btn { width: fit-content; }
  .stats .container { grid-template-columns: 1fr 1fr; }
  .news-item { flex-direction: column; }
  .news-date { width: 100%; flex-direction: row; padding: 10px 16px; gap: 8px; justify-content: flex-start; }
  .news-date .day { font-size: 20px; }
}