/* 预览图片样式 - 修复图片溢出问题 */
.preview-image {
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.preview-image:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: 20px;
    color: #005FAB;
}

p {
    margin-bottom: 15px;
}

a {
    text-decoration: none;
    color: #005FAB;
    transition: color 0.3s ease;
}

a:hover {
    color: #00C853;
}

/* 顶部导航栏 */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    padding: 10px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #005FAB;
}

.main-nav ul {
    display: flex;
    list-style: none;
}

.main-nav ul li {
    margin-left: 30px;
}

.main-nav ul li a {
    font-size: 16px;
    font-weight: 500;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: #005FAB;
    cursor: pointer;
}

/* 英雄区样式 */
.hero {
  background-color: #005FAB;
  color: white;
  padding: 120px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  background-image: radial-gradient(circle at 50% 50%, #0077CC, #005FAB);
  z-index: 1;
  margin-top: 60px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 20%),
    radial-gradient(circle at 90% 30%, rgba(255, 255, 255, 0.08) 0%, transparent 25%),
    radial-gradient(circle at 50% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 30%);
  z-index: -1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  font-weight: 700;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  color: #fff;
}

.hero h1 .highlight {
  color: #FFD700;
  text-shadow: 0 2px 15px rgba(255, 215, 0, 0.3);
}

.hero .subtitle {
  font-size: 1.2rem;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  opacity: 0.9;
}

/* CTA按钮容器 */
.cta-container {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

/* CTA按钮样式 */
.cta-button {
  display: inline-block;
  padding: 15px 30px;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 50px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* 主要CTA按钮 */
.cta-button.primary {
  background-color: #FFD700;
  color: #003D7A;
  box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.cta-button.primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: all 0.5s ease;
}

.cta-button.primary:hover::before {
  left: 100%;
}

.cta-button.primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
}

/* 次要CTA按钮 */
.cta-button.secondary {
  background-color: transparent;
  color: white;
  border: 2px solid white;
}

.cta-button.secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* 信任徽章 */
.trust-badges {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.badge {
  display: inline-block;
  padding: 8px 15px;
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 500;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.badge:hover {
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

/* 服务优势 */
.advantages {
  padding: 80px 0;
  background-color: #f8f9fa;
  position: relative;
}

.advantages::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, #005FAB, #00C853);
}

.advantages .container {
  position: relative;
  z-index: 1;
}

/* 区块标题样式 */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-subtitle {
  display: inline-block;
  padding: 8px 16px;
  background-color: #e3f2fd;
  color: #005FAB;
  border-radius: 30px;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section-header h2 {
  font-size: 2.5rem;
  color: #333;
  margin-bottom: 15px;
  font-weight: 700;
}

.section-header h2 .highlight {
  color: #005FAB;
}

.section-description {
  max-width: 700px;
  margin: 0 auto;
  color: #666;
  font-size: 1.05rem;
  line-height: 1.6;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.advantage-item {
  background-color: white;
  padding: 40px 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.advantage-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #005FAB, #00C853);
}

.advantage-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
  width: 80px;
  height: 80px;
  background-color: #005FAB;
  color: white;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto 20px;
  font-size: 2rem;
  box-shadow: 0 5px 15px rgba(0, 95, 171, 0.2);
  transition: all 0.3s ease;
}

.advantage-icon:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 20px rgba(0, 95, 171, 0.3);
}

.advantage-item h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: #333;
}

.advantage-item p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 20px;
}

/* 优势数据统计 */
.advantage-stats {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid #eee;
}

.advantage-stats .stat {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: #005FAB;
  margin-bottom: 5px;
}

.advantage-stats .label {
  display: block;
  font-size: 0.9rem;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* 维修服务项目 */
.services {
    padding: 80px 0;
    background-color: #f9f9f9;
}

/* 服务标签页样式 */
.tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.tab-btn {
    background-color: #fff;
    border: 2px solid #005FAB;
    color: #005FAB;
    padding: 12px 24px;
    margin: 0 10px 10px 0;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-btn i {
    font-size: 18px;
}

.tab-btn.active, .tab-btn:hover {
    background-color: #005FAB;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 95, 171, 0.3);
}

.tab-content {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    display: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

/* 服务标签页标题 */
.service-tab-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f0f0f0;
}

.service-tab-header h3 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 10px;
}

.service-tab-header p {
    color: #666;
    font-size: 1.05rem;
}

/* 服务网格布局 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

/* 服务项目样式 */
.service-item {
    background-color: #f8f9fa;
    padding: 25px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    border-color: #005FAB;
    background-color: white;
}

/* 服务图标样式 */
.service-icon {
    width: 60px;
    height: 60px;
    background-color: #005FAB;
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 15px;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.service-item:hover .service-icon {
    transform: scale(1.1);
    background-color: #00C853;
}

.service-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #333;
}

.service-item p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* 旧的服务列表样式（保留兼容性） */
.service-list {
    list-style: none;
}

.service-list li {
    font-size: 18px;
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
}

.service-list li i {
    position: absolute;
    left: 0;
    top: 5px;
    color: #00C853;
}

/* 技术团队 */
.team {
    padding: 80px 0;
    background-color: #f9f9f9;
}

/* 团队网格布局 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

/* 团队成员卡片 */
.team-member {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.team-member::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #005FAB, #00C853);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

/* 团队成员头像 */
.team-avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
    border: 5px solid #fff;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.team-member:hover .team-avatar {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

/* 头像悬停层 */
.team-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 95, 171, 0.8), rgba(0, 200, 83, 0.8));
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
}

.team-avatar:hover .team-overlay {
    opacity: 1;
}

/* 认证徽章 */
.cert-badge {
    background-color: white;
    color: #005FAB;
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.team-overlay:hover .cert-badge {
    transform: translateY(0);
}

/* 团队成员信息 */
.team-member h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 8px;
}

.team-position {
    color: #005FAB;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 15px;
    display: block;
}

.team-description {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* 技能标签 */
.team-skills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 15px;
}

.skill-tag {
    background-color: #f0f8ff;
    color: #005FAB;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.team-member:hover .skill-tag {
    background-color: #005FAB;
    color: white;
    transform: translateY(-2px);
}

/* 维修流程样式 */
.process {
    padding: 100px 0;
    background-color: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.process::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,123,255,0.02) 0%, rgba(72,61,139,0.02) 100%);
    z-index: 0;
}

.process .container {
    position: relative;
    z-index: 1;
}

/* 时间线流程样式 */
.process-timeline {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: stretch;
    margin: 60px 0;
    position: relative;
    overflow: visible;
    background-color: #f8f9fa;
    border-radius: 15px;
    padding: 30px;
    gap: 20px;
}

/* 为Chrome、Safari等WebKit浏览器添加滚动条样式 */
.process-timeline::-webkit-scrollbar {
    height: 6px;
}

.process-timeline::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.process-timeline::-webkit-scrollbar-thumb {
    background: #007bff;
    border-radius: 10px;
}

.process-timeline::-webkit-scrollbar-thumb:hover {
    background: #0056b3;
}

.process-step {
    flex: 1 1 200px;
    min-width: 200px;
    max-width: calc(50% - 10px);
    padding: 30px 20px;
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 12px 35px rgba(0,0,0,0.08);
    position: relative;
    transition: all 0.3s ease;
    text-align: center;
    border: 2px solid transparent;
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
    border-color: #007bff;
}

.step-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #007bff 0%, #483d8b 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 32px;
    box-shadow: 0 12px 25px rgba(0,123,255,0.3);
    border: 3px solid white;
}

.step-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 50px;
    font-weight: 900;
    color: rgba(0,123,255,0.15);
    line-height: 1;
}

.process-step h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #333;
    position: relative;
    z-index: 1;
    font-weight: 700;
}

.step-description {
    color: #666;
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.step-benefit {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #007bff;
    font-size: 14px;
    font-weight: 500;
}

.step-benefit i {
    margin-right: 8px;
}

/* 连接器样式 - 改为点状连接线 */
.process-connector {
    display: none;
}

/* 统计和CTA样式 */
.process-cta {
    background: linear-gradient(135deg, #007bff 0%, #483d8b 100%);
    border-radius: 15px;
    padding: 40px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.process-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.process-cta .container {
    position: relative;
    z-index: 1;
}

.process-stats {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.stat-item {
    min-width: 150px;
    margin-bottom: 20px;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 10px;
    line-height: 1;
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5), 0 0 8px rgba(255, 255, 255, 0.3);
    -webkit-text-stroke: 0.5px rgba(255, 255, 255, 0.1);
}

/* 为process-cta区域的统计数字添加更明确的样式，增强可读性 */
.process-cta .stat-number {
    color: #ffffff !important;
    text-shadow: 
        2px 2px 4px rgba(0, 0, 0, 0.8),
        0 0 10px rgba(255, 255, 255, 0.5);
    -webkit-text-stroke: 1px rgba(0, 0, 0, 0.2);
    font-weight: 900;
    letter-spacing: 0.5px;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
}

.process-cta .btn {
    background-color: white;
    color: #007bff;
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid white;
}

.process-cta .btn:hover {
    background-color: transparent;
    color: white;
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 991px) {
    .process-step {
        max-width: calc(50% - 10px);
    }
}

@media (max-width: 767px) {
    .process-timeline {
        flex-direction: column;
        align-items: center;
    }
    
    .process-step {
        max-width: 90%;
        margin-bottom: 20px;
        padding: 20px 15px;
    }
    
    .process-connector {
        display: none;
    }
    
    .step-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
    
    .process-step h3 {
        font-size: 18px;
    }
    
    .step-description {
        font-size: 13px;
    }
    
    .process-stats {
        flex-direction: column;
        align-items: center;
    }
    
    .stat-item {
        margin-bottom: 20px;
    }
}

@media (min-width: 768px) {
    .process-timeline {
        overflow-x: auto;
        overflow-y: hidden;
        padding-bottom: 20px;
    }
    
    .process-connector {
        display: block;
    }
}

/* 客户案例 */
.cases {
    padding: 80px 0;
    background-color: #f9f9f9;
    position: relative;
}

.cases::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #005FAB, #00C853);
}

.cases h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
}

.cases-container {
    position: relative;
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 30px;
}

.cases-slider {
    display: flex;
    overflow-x: auto;
    scroll-behavior: smooth;
    gap: 30px;
    padding: 20px 0;
    flex: 1;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.cases-slider::-webkit-scrollbar {
    display: none;
}

.case-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    min-width: calc(33.333% - 20px);
    position: relative;
}

.case-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #005FAB, #00C853);
}

.case-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.case-image {
    position: relative;
    width: 100%;
    height: 0;
    padding-top: 75%; /* 4:3 比例 */
    overflow: hidden;
}

.case-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transition: transform 0.5s ease;
}

.case-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 60%, rgba(0, 0, 0, 0.3) 100%);
    z-index: 1;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transition: transform 0.5s ease;
}

.case-item:hover .case-image img {
    transform: scale(1.1);
}

.case-info {
    padding: 20px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.case-info h3 {
    margin-bottom: 10px;
    font-size: 18px;
    font-weight: 600;
    color: #333;
}

.case-info p {
    color: #666;
    font-size: 14px;
}

.cases-prev-btn, .cases-next-btn {
    width: 50px;
    height: 50px;
    background-color: #005FAB;
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cases-prev-btn:hover, .cases-next-btn:hover {
    background-color: #00C853;
    transform: scale(1.1);
}

/* 知识库 */
.knowledge {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.knowledge h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 20px;
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.faq-question {
    width: 100%;
    padding: 20px;
    background-color: #fff;
    border: none;
    text-align: left;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #f9f9f9;
}

.faq-question i {
    transition: transform 0.3s ease;
}

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

.faq-answer p {
    padding: 0 20px 20px;
}

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

.faq-item.active .faq-answer {
    max-height: 500px;
}

/* 联系我们样式 */
.contact {
    padding: 100px 0;
    background-color: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,123,255,0.02) 0%, rgba(72,61,139,0.02) 100%);
    z-index: 0;
}

.contact .container {
    position: relative;
    z-index: 1;
}

/* 联系信息卡片 */
.contact-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 60px;
}

.contact-info-cards {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    background-color: white;
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.contact-card {
    background-color: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    display: flex;
    align-items: flex-start;
    position: relative;
    overflow: hidden;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.contact-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(180deg, #007bff 0%, #483d8b 100%);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #007bff 0%, #483d8b 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    margin-right: 20px;
    flex-shrink: 0;
    box-shadow: 0 6px 15px rgba(0,123,255,0.2);
}

.contact-card-content {
    flex: 1;
}

.contact-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: #333;
}

.contact-value {
    font-size: 16px;
    font-weight: 600;
    color: #007bff;
    margin-bottom: 5px;
}

.contact-desc {
    font-size: 14px;
    color: #666;
}

.contact-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: #28a745;
    color: white;
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

/* 联系表单 */
.contact-form-container {
    flex: 1;
    min-width: 350px;
    background-color: white;
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.contact-form-container::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, rgba(0,123,255,0.05) 0%, rgba(72,61,139,0.05) 100%);
    border-radius: 0 0 0 100%;
    z-index: 0;
}

.form-header {
    position: relative;
    z-index: 1;
    margin-bottom: 30px;
}

.form-header h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 15px;
}

.form-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.form-benefit-item {
    display: flex;
    align-items: center;
    font-size: 14px;
    color: #28a745;
}

.form-benefit-item i {
    margin-right: 6px;
}

.contact-form {
    position: relative;
    z-index: 1;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    flex: 1;
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
    font-size: 14px;
}

.required {
    color: #dc3545;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    background-color: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0,123,255,0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
}

.service-options {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.service-option {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    color: #555;
}

.service-option input[type="radio"] {
    width: auto;
    margin-right: 8px;
}

.form-agreement {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    font-size: 14px;
    color: #666;
}

.form-agreement input[type="checkbox"] {
    width: auto;
    margin-right: 10px;
    margin-top: 2px;
}

.form-agreement a {
    color: #007bff;
    text-decoration: none;
}

.form-agreement a:hover {
    text-decoration: underline;
}

.submit-button {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #007bff 0%, #483d8b 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 6px 15px rgba(0,123,255,0.3);
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,123,255,0.4);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .contact-wrapper {
        flex-direction: column;
    }
    
    .contact-form-container {
        min-width: 100%;
    }
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .service-options {
        flex-direction: column;
        gap: 10px;
    }
    
    .form-benefits {
        flex-direction: column;
        gap: 8px;
    }
}

/* 价值主张 */
.value-proposition {
    background: linear-gradient(135deg, #005FAB, #003D7A);
    color: #fff;
    padding: 60px 0;
    text-align: center;
}

.value-proposition .container {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.value-item h2 {
    color: #fff;
    font-size: 30px;
}

/* 技术能力 */
.technical-capabilities {
    padding: 80px 0;
    background-color: #fff;
}

.technical-capabilities h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align: center;
}

.capability-item {
    padding: 30px;
    background-color: #f9f9f9;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.capability-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.capability-item i {
    font-size: 48px;
    color: #005FAB;
    margin-bottom: 20px;
}

.capability-item p {
    font-size: 18px;
    font-weight: 600;
}

/* 信任建立 */
.trust {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.trust-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item .stat-number {
    font-size: 48px;
    font-weight: 700;
    color: #005FAB;
    margin-bottom: 10px;
}

.stat-item p {
    font-size: 18px;
}

/* 行动号召 */
.cta {
    background: linear-gradient(135deg, #00C853, #009624);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.cta h2 {
    color: #fff;
    font-size: 36px;
    margin-bottom: 20px;
}

.cta p {
    font-size: 20px;
    margin-bottom: 40px;
}

.cta .cta-button {
    background-color: #fff;
    color: #00C853;
}

.cta .cta-button:hover {
    background-color: #f9f9f9;
    color: #009624;
}

/* 风险提示 */
.risk-warning {
    background-color: #FFF3E0;
    padding: 40px 0;
    border-left: 5px solid #D32F2F;
}

.risk-warning h3 {
    color: #D32F2F;
    margin-bottom: 20px;
}

.risk-warning ul {
    list-style: none;
    padding-left: 0;
}

.risk-warning ul li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.risk-warning ul li:before {
    content: "⚠️";
    position: absolute;
    left: 0;
    top: 0;
}

/* 页脚 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo a {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
}

.footer-links h4, .footer-contact h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #00C853;
}

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

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

.footer-links ul li a {
    color: #ccc;
}

.footer-links ul li a:hover {
    color: #00C853;
}

.footer-contact p {
    margin-bottom: 15px;
    color: #ccc;
}

.footer-contact i {
    color: #00C853;
    margin-right: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #444;
}

.footer-bottom p {
    color: #ccc;
    margin-bottom: 0;
}

/* 悬浮式客服按钮 */




/* 响应式设计 */
@media (max-width: 992px) {
    .advantages-grid,
    .capabilities-grid,
    .trust-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .case-item {
        min-width: calc(50% - 15px);
    }
    
    .contact-content,
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        flex-direction: column;
    }
    
    .process-arrow {
        transform: rotate(90deg);
        margin: 20px 0;
        display: block;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .main-nav {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 60px);
        background-color: #fff;
        transition: left 0.3s ease;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .main-nav.active {
        left: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    .main-nav ul li {
        margin: 20px 0;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero .subtitle {
        font-size: 18px;
    }
    
    .advantages-grid,
    .capabilities-grid,
    .trust-stats {
        grid-template-columns: 1fr;
    }
    
    .case-item {
        min-width: calc(100% - 15px);
    }
    
    .value-item h2 {
        font-size: 24px;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .advantages,
    .services,
    .team,
    .process,
    .cases,
    .knowledge,
    .contact,
    .technical-capabilities,
    .trust,
    .cta {
        padding: 60px 0;
    }
    
    .floating-contact {
        right: 20px;
        bottom: 20px;
    }
    
    .floating-btn {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}

/* 右侧悬浮咨询版块 */
.floating-contact {
    position: fixed;
    right: 30px;
    bottom: 30px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

/* 免费诊断徽章 */
.floating-badge {
    position: absolute;
    top: -90px;
    right: 0;
    background: linear-gradient(135deg, #007bff 0%, #483d8b 100%);
    color: white;
    padding: 15px 20px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 8px 25px rgba(0,123,255,0.3);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: badgePulse 2s infinite;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.floating-contact:hover .floating-badge {
    opacity: 1;
    transform: translateY(0);
}

.badge-icon {
    font-size: 18px;
    animation: iconSpin 3s infinite linear;
}

/* 悬浮选项容器 */
.floating-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* 单个联系项 */
.contact-item {
    position: relative;
}

/* 联系按钮 */
.contact-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.contact-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: all 0.5s ease;
    z-index: -1;
}

.contact-btn:hover::before {
    left: 100%;
}

.contact-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.25);
}

/* 工具提示 */
.tooltip {
    position: absolute;
    right: 75px;
    background-color: rgba(0,0,0,0.8);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.tooltip::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -8px;
    transform: translateY(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: transparent transparent transparent rgba(0,0,0,0.8);
}

.contact-btn:hover .tooltip {
    opacity: 1;
    visibility: visible;
    right: 70px;
}

/* 按钮颜色 - 增强可见性 */
.wechat-btn {
    background: linear-gradient(135deg, #1e7e34 0%, #138496 100%);
    border: 2px solid rgba(255,255,255,0.3);
}

.phone-btn {
    background: linear-gradient(135deg, #e0a800 0%, #e9967a 100%);
    border: 2px solid rgba(255,255,255,0.3);
}

.form-btn {
    background: linear-gradient(135deg, #0056b3 0%, #5a189a 100%);
    border: 2px solid rgba(255,255,255,0.3);
}

.backtop-btn {
    background: linear-gradient(135deg, #dc3545 0%, #ff6b6b 100%);
    border: 2px solid rgba(255,255,255,0.3);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
}

.backtop-btn.visible {
    opacity: 1;
    pointer-events: auto;
}



/* 弹出窗口 */
.contact-popup {
    position: absolute;
    right: 80px;
    bottom: 0;
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
    width: 300px;
    transform: scale(0.9);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 998;
    overflow: hidden;
}

.contact-item:hover .contact-popup {
    transform: scale(1);
    opacity: 1;
    visibility: visible;
}

/* 弹出窗口头部 */
.popup-header {
    background: linear-gradient(135deg, #007bff 0%, #483d8b 100%);
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.popup-header h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: white;
}

.close-popup {
    background: none;
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.close-popup:hover {
    background-color: rgba(255,255,255,0.2);
}

/* 弹出窗口内容 */
.popup-content {
    padding: 20px;
}

/* 微信二维码 */
.wechat-qrcode {
    width: 180px;
    height: 180px;
    margin: 0 auto 15px;
    display: block;
    border: 5px solid #f8f9fa;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.wechat-qrcode-container {
    text-align: center;
}

.wechat-desc {
    text-align: center;
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
    line-height: 1.5;
}

.wechat-note {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #666;
    padding-top: 10px;
    border-top: 1px solid #f0f0f0;
}

.wechat-note i {
    color: #007bff;
}

.qrcode-desc {
    text-align: center;
    color: #666;
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.5;
}

/* 微信优势 */
.wechat-benefits,
.phone-hours {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.benefit-item,
.hour-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: #555;
}

.benefit-item i,
.hour-item i {
    color: #28a745;
    font-size: 14px;
}

/* 电话号码 */
.phone-number {
    display: block;
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    color: #007bff;
    margin-bottom: 15px;
    text-decoration: none;
    transition: color 0.3s ease;
}

.phone-number:hover {
    color: #0056b3;
}

.phone-desc {
    text-align: center;
    color: #666;
    font-size: 14px;
    margin-bottom: 20px;
}

/* 悬浮表单 */
.floating-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.floating-form .form-group {
    margin-bottom: 0;
}

.floating-form input,
.floating-form textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.floating-form input:focus,
.floating-form textarea:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0,123,255,0.1);
}

.floating-form textarea {
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

.form-note {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #666;
}

.form-note i {
    color: #007bff;
}

.floating-form .submit-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #007bff 0%, #483d8b 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.floating-form .submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0,123,255,0.3);
}



/* 动画效果 */
@keyframes badgePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .floating-contact {
        right: 20px;
        bottom: 20px;
    }
    
    .contact-btn {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .contact-popup {
        right: 65px;
        width: 250px;
    }
    
    .wechat-qrcode {
        width: 150px;
        height: 150px;
    }
    
    .phone-number {
        font-size: 20px;
    }
    
    .popup-header,
    .popup-content {
        padding: 15px;
    }
}