:root{
      /* 品牌色彩更新为蓝紫渐变系，增强科技感和权威感 */
      --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 */
    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);}

    /* Banner 轮播 */
    .hero{position:relative;background:var(--bg-dark);color:white;overflow:hidden;}
    .hero: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;
    }
    .slider{position:relative;overflow:hidden;border-radius:24px;box-shadow:var(--shadow);margin-top:20px;}
    .slides{display:flex;transition:transform .6s ease}
    .slide{min-width:100%;display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;padding:60px 56px;position:relative;z-index:1;}
    .slide h1{font-size:clamp(2rem, 5vw, 3.5rem);line-height:1.15;margin:0 0 14px;}
    .slide h1 span{background:var(--brand-gradient);-webkit-background-clip:text;background-clip:text;color:transparent;}
    .slide p{color:#cbd5e1;font-size:18px;margin:0 0 28px;max-width:550px;}
    .actions{display:flex;gap:16px;flex-wrap:wrap;}
    .btn{display:inline-flex;align-items:center;gap:8px;padding:14px 24px;border-radius:12px;border:1px solid transparent;font-weight:500;transition: var(--transition);font-size:16px;}
    .btn.primary{background:var(--accent);color:#fff;}
    .btn.primary:hover{background:var(--accent-hover);transform: translateY(-2px);box-shadow:0 10px 15px -3px rgba(249, 115, 22, 0.2);}
    .btn.secondary{background:rgba(255,255,255,0.1);color:white;border-color:rgba(255,255,255,0.2);}
    .btn.secondary:hover{background:rgba(255,255,255,0.15);transform: translateY(-2px);}
    .slider-controls{position:absolute;inset:0;display:flex;align-items:center;justify-content:space-between;padding:0 8px;pointer-events:none}
    .ctrl{width:44px;height:44px;border:none;border-radius:50%;background:rgba(255,255,255,0.1);backdrop-filter:blur(4px);color:white;box-shadow:var(--shadow);pointer-events:auto;display:flex;align-items:center;justify-content:center;font-size:18px;transition: var(--transition);}
    .ctrl:hover{background:rgba(255,255,255,0.2);transform: scale(1.05);}
    .dots{position:absolute;left:50%;bottom:20px;transform:translateX(-50%);display:flex;gap:8px}
    .dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,0.3);cursor:pointer;transition: var(--transition);}
    .dot.active{background:var(--accent);width:30px;border-radius:5px;}

    /* 关键数据 */
    .stats{padding:50px 0;background:var(--card);position:relative;}
    .stats:before{
      content:'';
      position:absolute;
      top:0;
      left:0;
      width:100%;
      height:8px;
      background:var(--brand-gradient);
    }
    .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
    .stat{background:var(--bg-light);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);display:flex;gap:14px;align-items:center;transition: var(--transition);}
    .stat:hover{transform: translateY(-5px);box-shadow:var(--shadow-hover);}
    .stat-icon{width:50px;height:50px;border-radius:12px;background:var(--brand-gradient);display:flex;align-items:center;justify-content:center;color:white;font-size:20px;}
    .stat-content b{font-size:28px;display:block;margin-bottom:5px;}
    .stat-content small{color:var(--muted);font-size:14px;}

    /* 模块通用 */
    section{padding:80px 0;position:relative;}
    .section-head{max-width:700px;margin:0 auto 40px;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;}

    /* 服务模块 - 改为一排显示 */
    #services{padding-bottom:60px;}
    .services{
      display: flex;
      overflow-x: auto;
      padding: 10px 0 20px;
      margin-top: 30px;
      scrollbar-width: thin;
      scrollbar-color: var(--brand-primary) transparent;
      gap: 20px;
    }
    .services::-webkit-scrollbar {
      height: 6px;
    }
    .services::-webkit-scrollbar-track {
      background: transparent;
    }
    .services::-webkit-scrollbar-thumb {
      background-color: var(--brand-primary);
      border-radius: 3px;
    }
    .card{
      background:var(--card);
      border:1px solid var(--border);
      border-radius:var(--radius);
      padding:30px;
      box-shadow:var(--shadow);
      transition: var(--transition);
      min-width: 280px;
      flex: 1 0 280px;
      max-width: 320px;
    }
    .card:hover{transform: translateY(-8px);box-shadow:var(--shadow-hover);border-color:transparent;}
    .card-icon{width:60px;height:60px;border-radius:12px;background:var(--brand-gradient);display:flex;align-items:center;justify-content:center;color:white;font-size:24px;margin-bottom:20px;}
    .card h3{margin:0 0 12px;font-size:20px;}
    .card p{margin:0 0 20px;color:var(--muted);font-size:15px;line-height:1.6;}
    .card-link{display:inline-flex;align-items:center;gap:5px;color:var(--brand-primary);font-weight:500;transition: var(--transition);}
    .card-link:hover{color:var(--brand-secondary);}
    .card-link i{transition: var(--transition);}
    .card:hover .card-link i{transform: translateX(5px);}

    /* 服务到公司介绍的过渡区域 */
    .services-to-about{height:60px;position:relative;}
    .transition-gradient{
      position:absolute;
      top:0;
      left:0;
      width:100%;
      height:100%;
      background:linear-gradient(180deg, var(--bg-light) 0%, var(--card) 100%);
      z-index:1;
    }

    /* 公司介绍 */
    #about{padding-top:60px;background:var(--card);}
    .about-container{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;}
    .about-image{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:relative;}
    .about-image img{width:100%;height:100%;object-fit:cover;}
    .about-image:before{
      content:'';
      position:absolute;
      top:0;
      left:0;
      width:100%;
      height:100%;
      background:linear-gradient(45deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.05));
      z-index:1;
    }
    .about-content h3{font-size:24px;margin:0 0 16px;}
    .about-content p{color:var(--muted);font-size:16px;line-height:1.7;margin:0 0 20px;}
    .about-features{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0;}
    .feature-item{display:flex;align-items:start;gap:12px;}
    .feature-icon{width:28px;height:28px;border-radius:6px;background:var(--brand-gradient);display:flex;align-items:center;justify-content:center;color:white;font-size:14px;margin-top:2px;flex-shrink:0;}
    .feature-text{font-size:15px;}
    .about-cta{margin-top:20px;}

    /* 客户案例 */
    #cases{background:var(--bg-light);}
    .cases{display:grid;grid-template-columns:repeat(auto-fit, minmax(300px, 1fr));gap:28px;margin-top:30px;}
    .case{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:var(--card);box-shadow:var(--shadow);transition: var(--transition);display:flex;flex-direction:column;height:100%;}
    .case:hover{transform: translateY(-5px);box-shadow:var(--shadow-hover);border-color:transparent;}
    .case-image{position:relative;overflow:hidden;}
    .case-image img{width:100%;height:200px;object-fit:cover;transition: var(--transition);}
    .case:hover .case-image img{transform: scale(1.05);}
    .case .meta{padding:24px;flex-grow:1;display:flex;flex-direction:column;}
    .case .tag{display:inline-block;background:#e0e7ff;color:#3b82f6;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:500;margin-bottom:10px;}
    .case h3{margin:0 0 10px;font-size:18px;}
    .case p.sub{margin:0;color:var(--muted);font-size:14px;margin-bottom:16px;flex-grow:1;}
    .case-link{display:inline-flex;align-items:center;gap:5px;color:var(--brand-primary);font-weight:500;font-size:14px;}

    /* 新闻动态 */
    #news{background:var(--card);}
    .news{display:grid;grid-template-columns:repeat(auto-fit, minmax(300px, 1fr));gap:28px;margin-top:30px;}
    .news .item{background:var(--bg-light);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition: var(--transition);display:flex;flex-direction:column;height:100%;}
    .news .item:hover{transform: translateY(-5px);box-shadow:var(--shadow-hover);border-color:transparent;}
    .news .item h3{margin:0 0 12px;font-size:18px;transition: var(--transition);}
    .news .item:hover h3{color:var(--brand-primary);}
    .news .item time{color:var(--light-muted);font-size:13px;margin-bottom:12px;display:inline-block;}
    .news .item p{margin:0;color:var(--muted);font-size:15px;line-height:1.6;flex-grow:1;}
    .news-link{display:inline-flex;align-items:center;gap:5px;color:var(--brand-primary);font-weight:500;font-size:14px;margin-top:16px;}

    /* 数据库图形（公司实力） */
    #charts{background:var(--bg-light);}
    .charts{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;margin-top:30px;}
    @media (max-width: 1100px) {
      .charts{grid-template-columns:1fr;}
    }
    .chart-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
    .chart-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;}
    .chart-title strong{font-size:18px;}
    .chart-title .sub{color:var(--muted);}
    canvas{width:100%;height:280px;}
    .kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px;}
    .kpi{border:1px dashed var(--border);border-radius:12px;padding:16px;text-align:center;transition: var(--transition);}
    .kpi:hover{background:var(--bg-light);transform: translateY(-3px);}
    .kpi b{font-size:24px;color:var(--brand-primary);display:block;margin-bottom:5px;}
    .kpi .sub{color:var(--muted);font-size:14px;}

    /* 媒介资源（Logo 墙） */
    #media{background:var(--card);}
    .media-logos{display:grid;grid-template-columns:repeat(auto-fit, minmax(150px, 1fr));gap:24px;align-items:center;margin-top:30px;}
    .logo-box{background:var(--bg-light);border:1px solid var(--border);border-radius:12px;height:80px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);font-weight:700;color:var(--muted);transition: var(--transition);}
    .logo-box:hover{transform: translateY(-5px);box-shadow:var(--shadow-hover);border-color:transparent;background:white;}

    /* 友情链接 - 设计得更隐蔽 */
    #friends{
      background:var(--bg-light);
      padding: 40px 0 20px; /* 减少上下padding */
    }
    #friends .section-head{
      margin-bottom: 20px; /* 减少标题下方间距 */
    }
    #friends .section-head h2{
      font-size: clamp(1.25rem, 3vw, 1.75rem); /* 缩小标题字体 */
      color: var(--muted); /* 使用次要文字颜色 */
    }
    #friends .section-head h2:after{
      display: none; /* 移除标题下方的强调线 */
    }
    #friends .section-desc{
      font-size: 14px; /* 缩小描述文字 */
      margin-bottom: 15px;
    }
    .links{
      display:flex;
      flex-wrap:wrap;
      gap:8px 12px; /* 缩小链接之间的间距 */
      justify-content:center;
      margin-top: 15px;
    }
    .links a{
      padding:5px 12px; /* 缩小链接内边距 */
      border:1px solid var(--border);
      border-radius:999px;
      color:var(--muted);
      font-size:13px; /* 缩小链接字体 */
      transition: var(--transition);
    }
    .links a:hover{
      background:var(--card);
      color:var(--brand-primary);
      border-color:var(--brand-primary);
      transform: translateY(-2px);
    }

    /* 底部 */
    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 */
    @media (max-width: 1100px){
      .slide{grid-template-columns:1fr;gap:30px;padding:40px 30px;text-align:center;}
      .slide .actions{justify-content:center;}
      .about-container{grid-template-columns:1fr;}
      .stats-grid{grid-template-columns:repeat(2,1fr);}
      .foot{grid-template-columns:1fr 1fr;}
    }
    @media (max-width: 768px){
      nav ul{display:none}
      .cases,.news{grid-template-columns:1fr;}
      .kpis{grid-template-columns:1fr 1fr;}
      .foot{grid-template-columns:1fr;}
      .about-features{grid-template-columns:1fr;}
      section{padding:60px 0;}
      /* 服务在小屏幕上仍保持一排可滚动 */
      .services {
        padding-bottom: 15px;
      }
      .card {
        min-width: 250px;
        max-width: none;
        flex: 1 0 250px;
      }
    }
    @media (max-width: 480px){
      .stats-grid{grid-template-columns:1fr;}
      .kpis{grid-template-columns:1fr;}
      .btn{padding:12px 20px;font-size:14px;}
      .slide h1{font-size:2rem;}
      .media-logos{grid-template-columns:repeat(2,1fr);}
    }
  
  
  
  <!-- 对应的CSS样式 -->

.service-process-rtl {
  position: relative;
  margin: 30px 0;
  padding-right: 100px; /* 为右侧序号预留空间 */
  direction: rtl; /* 设置从右到左排列 */
}

/* 垂直连接线 */
.service-process-rtl::before {
  content: '';
  position: absolute;
  right: 65px; /* 调整连接线位置 */
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--brand-primary), var(--brand-secondary));
}

.process-step-rtl {
  position: relative;
  margin-bottom: 40px;
  padding-bottom: 10px;
  display: flex;
  align-items: flex-start;
  direction: ltr; /* 内容保持左到右阅读 */
}

.process-step-rtl:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
}

/* 步骤序号 */
.step-number-rtl {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--brand-gradient);
  color: white;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
  margin-right: 25px; /* 与图标间距 */
  flex-shrink: 0; /* 防止压缩 */
}

/* 图标区域 - 与文字分离 */
.step-icon-rtl {
  width: 50px;
  height: 50px;
  border-radius: 8px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-right: 25px; /* 与文字内容间距 */
  flex-shrink: 0; /* 防止压缩 */
  transition: transform 0.3s ease;
}

/* 文字内容区域 */
.step-content-rtl {
  background: var(--bg-light);
  border-radius: var(--radius);
  padding: 22px;
  border: 1px solid var(--border);
  flex-grow: 1; /* 占据剩余空间 */
  transition: var(--transition);
}

/* 悬停效果 */
.process-step-rtl:hover .step-content-rtl {
  transform: translateX(-5px); /* 向左移动 */
  box-shadow: var(--shadow);
  border-color: transparent;
}

.process-step-rtl:hover .step-icon-rtl {
  transform: scale(1.1); /* 图标放大 */
}

.step-content-rtl h4 {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--ink);
}

.step-content-rtl p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .service-process-rtl {
    padding-right: 70px;
  }
  
  .service-process-rtl::before {
    right: 45px;
  }
  
  .step-number-rtl {
    width: 34px;
    height: 34px;
    font-size: 14px;
    margin-right: 15px;
  }
  
  .step-icon-rtl {
    width: 40px;
    height: 40px;
    font-size: 18px;
    margin-right: 15px;
  }
  
  .step-content-rtl {
    padding: 18px;
  }
}