:root{
      /* 品牌色彩保持一致 */
      --brand-primary: #3b82f6;      /* 主蓝色 */
      --brand-secondary: #8b5cf6;    /* 辅助紫色 */
      --brand-gradient: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
      --accent: #f97316;             /* 亮橙色用于突出按钮和交互元素 */
      --accent-hover: #ea580c;
      --ink: #0f172a;                 /* 深色文字 */
      --muted: #64748b;               /* 次级文字 */
      --light-muted: #94a3b8;         /* 更浅的文字 */
      --bg-dark: #0f172a;             /* 顶部/底部深色 */
      --bg-light: #f8fafc;            /* 浅色背景 */
      --card: #ffffff;                /* 白卡片 */
      --border: #e2e8f0;              /* 边框色 */
      --radius: 12px;
      --shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.1), 0 8px 10px -6px rgba(59, 130, 246, 0.05);
      --shadow-hover: 0 20px 25px -5px rgba(59, 130, 246, 0.1), 0 10px 10px -5px rgba(59, 130, 246, 0.04);
      --maxw: 1200px;
      --transition: all 0.3s ease;
    }
    *{box-sizing:border-box}
    html,body{margin:0;height:100%;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--ink);background:var(--bg-light);scroll-behavior: smooth;}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    .container{max-width:var(--maxw);margin:0 auto;padding:0 20px}

    /* 顶部导航 - 保持不变 */
    header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border);transition: var(--transition);}
    header.scrolled {box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);}
    .nav{display:flex;align-items:center;justify-content:space-between;height:72px}
    .logo{display:flex;gap:10px;align-items:center;font-weight:800;letter-spacing:.3px;font-size:1.25rem;color:var(--brand-primary);}
    .logo .dot{width:12px;height:12px;background:var(--brand-gradient);border-radius:50%}
    nav ul{display:flex;gap:32px;list-style:none;margin:0;padding:0}
    nav a{font-size:15px;color:var(--ink);font-weight:500;position:relative;padding:5px 0;transition: var(--transition);}
    nav a:hover{color:var(--brand-primary);}
    nav a:after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--brand-gradient);transition: var(--transition);}
    nav a:hover:after{width:100%;}
    .cta{display:inline-flex;align-items:center;gap:10px;background:var(--accent);color:#fff;padding:10px 20px;border-radius:999px;box-shadow:0 4px 6px -1px rgba(249, 115, 22, 0.2);font-weight:500;transition: var(--transition);}
    .cta:hover{transform:translateY(-2px);background:var(--accent-hover);box-shadow:0 10px 15px -3px rgba(249, 115, 22, 0.2);}

    /* 页面标题区域 */
    .page-title {
      background: var(--bg-dark);
      color: white;
      padding: 60px 0;
      position: relative;
      text-align: center;
    }
    .page-title:before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: radial-gradient(circle at 30% 50%, rgba(59, 130, 246, 0.2) 0%, transparent 60%),
                  radial-gradient(circle at 70% 70%, rgba(139, 92, 246, 0.2) 0%, transparent 60%);
      z-index: 0;
    }
    .page-title .container {
      position: relative;
      z-index: 1;
    }
    .page-title h1 {
      font-size: clamp(2rem, 5vw, 3rem);
      margin: 0 0 15px;
    }
    .page-title .breadcrumb {
      display: inline-flex;
      gap: 10px;
      color: var(--light-muted);
      font-size: 14px;
    }
    .page-title .breadcrumb a:hover {
      color: white;
    }
    .page-title .breadcrumb span:last-child {
      color: white;
    }

    /* 模块通用样式 */
    section{padding:80px 0;position:relative;}
    .section-head{max-width:700px;margin:0 auto 60px;text-align:center;}
    .section-head h2{margin:0 0 12px;font-size:clamp(1.75rem, 4vw, 2.5rem);position:relative;display:inline-block;}
    .section-head h2:after{
      content:'';
      position:absolute;
      bottom:-8px;
      left:50%;
      transform:translateX(-50%);
      width:60px;
      height:4px;
      background:var(--brand-gradient);
      border-radius:2px;
    }
    .section-desc{color:var(--muted);font-size:16px;line-height:1.6;max-width:600px;margin:0 auto;}

    /* 公司简介内容 */
    .company-overview {
      background: var(--card);
    }
    .overview-content {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .overview-text h3 {
      font-size: 24px;
      margin: 0 0 20px;
      color: var(--brand-primary);
    }
    .overview-text p {
      color: var(--muted);
      font-size: 16px;
      line-height: 1.8;
      margin: 0 0 20px;
    }
    .overview-image {
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      position: relative;
    }
    .overview-image img {
      width: 100%;
      height: auto;
      transition: transform 0.5s ease;
    }
    .overview-image:hover img {
      transform: scale(1.03);
    }

    /* 核心优势 */
    .core-values {
      background: var(--bg-light);
    }
    .values-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }
    .value-card {
      background: var(--card);
      border-radius: var(--radius);
      padding: 30px;
      box-shadow: var(--shadow);
      transition: var(--transition);
      text-align: center;
    }
    .value-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-hover);
    }
    .value-icon {
      width: 70px;
      height: 70px;
      border-radius: 50%;
      background: var(--brand-gradient);
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 28px;
      margin: 0 auto 20px;
    }
    .value-card h3 {
      margin: 0 0 15px;
      font-size: 20px;
    }
    .value-card p {
      margin: 0;
      color: var(--muted);
      line-height: 1.6;
    }

    /* 发展历程 */
    .timeline-section {
      background: var(--card);
    }
    .timeline {
      position: relative;
      max-width: 1000px;
      margin: 0 auto;
      padding: 20px 0;
    }
    .timeline:before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 4px;
      background: var(--brand-gradient);
      transform: translateX(-50%);
    }
    .timeline-item {
      padding: 10px 40px;
      position: relative;
      width: 50%;
      box-sizing: border-box;
    }
    .timeline-item:nth-child(odd) {
      left: 0;
    }
    .timeline-item:nth-child(even) {
      left: 50%;
    }
    .timeline-content {
      padding: 25px;
      background: var(--bg-light);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      transition: var(--transition);
      display: flex;
      align-items: flex-start;
      gap: 15px;
    }
    .timeline-content:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
    }
    .timeline-year {
      flex-shrink: 0;
      background: var(--accent);
      color: white;
      padding: 3px 10px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 500;
      margin-top: 3px;
    }
    .timeline-content-inner {
      flex-grow: 1;
    }
    .timeline-item h3 {
      margin: 0 0 10px;
      font-size: 18px;
    }
    .timeline-item p {
      margin: 0;
      color: var(--muted);
      line-height: 1.6;
    }
    .timeline-dot {
      position: absolute;
      right: -6px;
      top: 30px;
      width: 16px;
      height: 16px;
      background: var(--accent);
      border-radius: 50%;
      z-index: 1;
    }
    .timeline-item:nth-child(even) .timeline-dot {
      left: -6px;
    }

    /* 团队介绍 */
    .team-section {
      background: var(--bg-light);
    }
    .team-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }
    .team-member {
      background: var(--card);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: var(--transition);
      text-align: center;
    }
    .team-member:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-hover);
    }
    .member-photo {
      position: relative;
      overflow: hidden;
    }
    .member-photo img {
      width: 100%;
      height: 280px;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .team-member:hover .member-photo img {
      transform: scale(1.05);
    }
    .member-info {
      padding: 20px;
    }
    .member-name {
      margin: 0 0 5px;
      font-size: 18px;
    }
    .member-position {
      margin: 0 0 15px;
      color: var(--accent);
      font-size: 14px;
    }
    .member-bio {
      margin: 0 0 15px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.6;
    }
    .member-social {
      display: flex;
      justify-content: center;
      gap: 10px;
    }
    .member-social a {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: var(--bg-light);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--muted);
      font-size: 14px;
      transition: var(--transition);
    }
    .member-social a:hover {
      background: var(--brand-primary);
      color: white;
    }

    /* 企业文化 */
    .culture-section {
      background: var(--card);
    }
    .culture-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 40px;
      margin-top: 30px;
    }
    .culture-image {
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      position: relative;
    }
    .culture-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .culture-content h3 {
      font-size: 24px;
      margin: 0 0 20px;
      color: var(--brand-primary);
    }
    .culture-points {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-bottom: 30px;
    }
    .culture-point {
      display: flex;
      flex-direction: column;
    }
    .culture-point strong {
      color: var(--ink);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .culture-point strong i {
      color: var(--accent);
    }
    .culture-point p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.6;
    }
    .culture-quote {
      background: var(--bg-light);
      border-left: 4px solid var(--brand-primary);
      padding: 20px;
      border-radius: 0 var(--radius) var(--radius) 0;
      margin-top: 20px;
    }
    .culture-quote p {
      margin: 0;
      font-style: italic;
      color: var(--ink);
      line-height: 1.7;
    }
    .culture-quote .author {
      display: block;
      text-align: right;
      margin-top: 10px;
      color: var(--muted);
      font-style: normal;
      font-size: 14px;
    }

    /* 客户评价 - 修复图标覆盖和头像名称居中问题 */
    .testimonials {
      background: var(--bg-light);
    }
    .testimonials-slider {
      position: relative;
      max-width: 800px;
      margin: 0 auto;
      overflow: hidden;
      border-radius: var(--radius);
    }
    .testimonials-track {
      display: flex;
      transition: transform 0.5s ease;
    }
    .testimonial {
      min-width: 100%;
      padding: 40px;
      background: var(--card);
      box-shadow: var(--shadow);
    }
    .testimonial-content {
      font-size: 18px;
      line-height: 1.8;
      color: var(--ink);
      margin: 0 0 30px;
      position: relative;
      padding-left: 30px; /* 增加左内边距避免图标覆盖文字 */
    }
    .testimonial-content:before {
      content: '"';
      position: absolute;
      top: -10px;
      left: 0; /* 调整引号位置 */
      font-size: 60px;
      color: var(--brand-primary);
      opacity: 0.2;
      font-family: Georgia, serif;
      z-index: 0; /* 确保图标在文字下方 */
    }
    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 15px;
      justify-content: center; /* 水平居中 */
    }
    .author-avatar {
      width: 60px;
      height: 60px;
      border-radius: 50%;
      overflow: hidden;
      border: 3px solid var(--bg-light);
      box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
    .author-avatar img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .author-info {
      text-align: left;
    }
    .author-info h4 {
      margin: 0 0 3px;
      font-size: 16px;
    }
    .author-info .company {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }
    .testimonial-controls {
      display: flex;
      justify-content: center;
      gap: 10px;
      margin-top: 20px;
    }
    .testimonial-ctrl {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--border);
      border: none;
      cursor: pointer;
      transition: var(--transition);
    }
    .testimonial-ctrl.active {
      background: var(--brand-primary);
      width: 30px;
      border-radius: 6px;
    }

    /* 联系区域 CTA */
    .cta-section {
      background: var(--brand-gradient);
      color: white;
      padding: 80px 0;
      text-align: center;
    }
    .cta-section h2 {
      margin: 0 0 20px;
      font-size: clamp(1.75rem, 4vw, 2.5rem);
    }
    .cta-section p {
      margin: 0 0 30px;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
      font-size: 16px;
      opacity: 0.9;
    }
    .cta-btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: white;
      color: var(--brand-primary);
      padding: 14px 28px;
      border-radius: 999px;
      font-weight: 600;
      transition: var(--transition);
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    }
    .cta-btn:hover {
      transform: translateY(-3px);
      box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    }

    /* 底部 - 保持不变 */
    footer{background:var(--bg-dark);color:#e2e8f0;padding:80px 0 40px;position:relative;}
    footer:before{
      content:'';
      position:absolute;
      top:0;
      left:0;
      width:100%;
      height:8px;
      background:var(--brand-gradient);
    }
    .foot{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;}
    .foot-col h4{margin:0 0 20px;font-size:18px;color:white;position:relative;display:inline-block;}
    .foot-col h4:after{
      content:'';
      position:absolute;
      bottom:-6px;
      left:0;
      width:30px;
      height:2px;
      background:var(--accent);
    }
    .foot-col p{margin:0 0 16px;line-height:1.7;color:#94a3b8;}
    .contact-info{display:flex;align-items:center;gap:12px;margin-bottom:16px;color:#94a3b8;}
    .contact-info i{color:var(--accent);width:20px;text-align:center;}
    .social-links{display:flex;gap:12px;margin-top:20px;}
    .social-links a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,0.1);display:flex;align-items:center;justify-content:center;color:white;transition: var(--transition);}
    .social-links a:hover{background:var(--accent);transform: translateY(-3px);}
    .foot-nav{display:flex;flex-wrap:wrap;gap:10px 20px;}
    .foot-nav a{color:#94a3b8;transition: var(--transition);}
    .foot-nav a:hover{color:white;}
    .copyright{margin-top:40px;border-top:1px solid rgba(255,255,255,.1);padding-top:24px;color:#94a3b8;font-size:14px;text-align:center;}

    /* 响应式设计 */
    @media (max-width: 1100px) {
      .overview-content, .culture-grid {
        grid-template-columns: 1fr;
      }
      .timeline:before {
        left: 31px;
      }
      .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
      }
      .timeline-item:nth-child(even) {
        left: 0;
      }
      .timeline-item:nth-child(odd) .timeline-dot,
      .timeline-item:nth-child(even) .timeline-dot {
        left: 24px;
      }
    }

    @media (max-width: 768px) {
      nav ul{display:none}
      .culture-points {
        grid-template-columns: 1fr;
      }
      .team-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      }
      section {
        padding: 60px 0;
      }
      .testimonial {
        padding: 30px 20px;
      }
      .testimonial-content {
        font-size: 16px;
        padding-left: 20px;
      }
      .testimonial-content:before {
        font-size: 48px;
      }
      /* 移动设备上时间线内容调整 */
      .timeline-content {
        flex-direction: column;
        gap: 8px;
      }
      .timeline-year {
        margin-top: 0;
        align-self: flex-start;
      }
    }

    @media (max-width: 480px) {
      .page-title {
        padding: 40px 0;
      }
      .timeline-item {
        padding-left: 50px;
      }
      .timeline:before {
        left: 21px;
      }
      .timeline-item:nth-child(odd) .timeline-dot,
      .timeline-item:nth-child(even) .timeline-dot {
        left: 14px;
      }
      .member-photo img {
        height: 220px;
      }
      .cta-section {
        padding: 60px 20px;
      }
      .cta-btn {
        padding: 12px 20px;
        font-size: 14px;
      }
      .foot {
        grid-template-columns: 1fr;
      }
    }

    /* 动画效果 */
    .fade-in {
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .fade-in.visible {
      opacity: 1;
      transform: translateY(0);
    }