:root {
 --primary: #6C5CE7;
 --primary-light: #A29BFE;
 --primary-dark: #4834D4;
 --accent: #00D2FF;
 --accent2: #7F5AF0;
 --bg-dark: #0A0E27;
 --bg-darker: #060918;
 --bg-card: rgba(255, 255, 255, 0.03);
 --bg-card-hover: rgba(255, 255, 255, 0.06);
 --text-primary: #FFFFFF;
 --text-secondary: rgba(255, 255, 255, 0.7);
 --text-muted: rgba(255, 255, 255, 0.4);
 --border-color: rgba(255, 255, 255, 0.08);
 --gradient-1: linear-gradient(135deg, #6C5CE7, #00D2FF);
 --gradient-2: linear-gradient(135deg, #7F5AF0, #2CB67D);
 --gradient-3: linear-gradient(135deg, #E040FB, #6C5CE7);
 --shadow-glow: 0 0 40px rgba(108, 92, 231, 0.15);
 --radius: 16px;
 --radius-sm: 8px;
 --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
 --max-width: 1200px;
}      
* {
    scrollbar-width: thin;
    scrollbar-color: rgba(108, 92, 231, 0.35) rgba(255, 255, 255, 0.03);
}
       .header {
            background: #fff;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            padding: 0 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 84px;
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .logo {
            font-size: 20px;
            font-weight: bold;
            background: linear-gradient(135deg, #4a6cf7, #6b8cff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
          .logo img{
      width: 180px;
      margin-top: 0px!important;
      }
        
        
        .nav { display: flex; gap: 32px; list-style: none; }
        .nav a {text-decoration: none;color: #333;font-size: 16px;transition: color 0.3s;}
        .nav a:hover, .nav a.active { color: #4a6cf7; }
        
   
        .nav li.has-dropdown { position: relative; }
        .nav li.has-dropdown > a { display: flex; align-items: center; gap: 4px; }
        .nav li.has-dropdown > a::after {
            content: '▼'; font-size: 10px; opacity: 0.6;
        }
        .dropdown-menu {
            position: absolute; top: 100%; left: 50%;
            transform: translateX(-50%);
            background: #fff; border-radius: 12px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.12);
            padding: 8px; min-width: 240px;
            opacity: 0; visibility: hidden;
            transition: all 0.2s; z-index: 1000;
        }
        .has-dropdown:hover .dropdown-menu,
        .has-dropdown.open .dropdown-menu {
            opacity: 1; visibility: visible;
        }
        .dropdown-menu a {
            display: flex; align-items: center; gap: 10px;
            padding: 10px 14px; border-radius: 8px;
            color: #333; font-size: 14px;
            transition: all 0.2s;
        }
        .dropdown-menu a:hover { background: #f0f4ff; color: #4a6cf7; }
        .dropdown-menu .drop-icon {
            width: 32px; height: 32px; border-radius: 8px;
            background: #f0f4ff; display: flex;
            align-items: center; justify-content: center;
            font-size: 16px;
        }
        .dropdown-menu .drop-text { flex: 1; }
        .dropdown-menu .drop-title { font-weight: 600; }
        .dropdown-menu .drop-desc { font-size: 12px; color: #888; }
        .dropdown-divider { height: 1px; background: #eee; margin: 6px 0; }
        .header-right { display: flex; align-items: center; gap: 16px; }
        .phone { color: #4a6cf7; font-size: 15px; font-weight: 500; }
        .btn-trial {
            background: var(--gradient-1)!important;
            color: #fff;
            border: none;
            padding: 8px 20px;
            border-radius: 20px;
            font-size: 14px;
            cursor: pointer;
            transition: transform 0.2s;
            text-decoration: none;
            display: inline-block;
        }
        .btn-trial:hover { transform: translateY(-1px); }
     @media (max-width: 768px) {
            .menu-toggle { display: flex!important; }
            .nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                gap: 0;
                padding: 0;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease;
                box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            }
            .nav.active {max-height: 800px;}
            .nav li { border-bottom: 1px solid #eee; }
            .nav a { display: block; padding: 16px 20px; }
            .header-right { gap: 12px; }
            .phone { display: none; }
            
     }
     
     
        .footer { background: #0f1419; color: rgba(255,255,255,0.6); padding: 60px 40px 30px; }
        .footer-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; }
        .footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 20px; }
        .footer-col ul { list-style: none; }
        .footer-col li {margin-bottom: 10px;font-size: 14px;}
        .footer-col a { color: rgba(255,255,255,0.6); text-decoration: none; font-size: 14px; }
        .footer-col a:hover { color: #fff; }
        .footer-bottom { max-width: 1200px; margin: 40px auto 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); text-align: center; font-size: 13px; }
     
     
      @media (max-width: 900px) {
     
            .header {padding: 0 10px!important;height:70px}
            
            /* 手机端导航 */
            .nav {
                display: flex;
                flex-direction: column;
                position: fixed;
                top: 64px; left: 0; right: 0;
                background: #fff;
                padding: 0;
                box-shadow: 0 4px 12px rgba(0,0,0,0.1);
                transform: translateY(-100%);
                opacity: 0;
                transition: all 0.3s;
                pointer-events: none;
            }
            .nav.active {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav > li { border-bottom: 1px solid #eee; }
            .nav > li > a { padding: 14px 20px; }
            .has-dropdown .dropdown-menu {
                position: static;
                transform: none;
                box-shadow: none;
                padding: 0 0 10px 0;
                opacity: 1;
                visibility: visible;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s;
            }
            .has-dropdown.open .dropdown-menu {
                max-height: 500px;
            }
            .dropdown-menu a { padding: 10px 20px 10px 50px; }
            .dropdown-divider { margin: 0; }
          
            /* 页脚 - 手机端适配 */
            .footer { padding: 40px 20px 20px; }
            .footer-inner { 
                display: flex; 
                flex-direction: column; 
                gap: 30px; 
            }
            .footer-col {
                display: inline-block;
                width: calc(50% - 15px);
                vertical-align: top;
            }
        }
        
       /* ========== CTA ========== */
        .cta-section { background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%); padding: 80px 40px; text-align: center; color: #fff; }
        .cta-section h2 { font-size: 32px; margin-bottom: 14px; }
        .cta-section p { font-size: 16px; color: rgba(255,255,255,0.7); margin-bottom: 36px; }
        .cta-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
        .btn-cta-primary {background: var(--gradient-1);color: #fff;border: none;padding: 14px 32px;border-radius: 25px;font-size: 15px;cursor: pointer;text-decoration: none;display: inline-block;transition: transform 0.2s, box-shadow 0.2s;}
        .btn-cta-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(74,108,247,0.3); }
        .btn-cta-secondary { background: rgba(255,255,255,0.1); color: #fff; border: 1px solid rgba(255,255,255,0.3); padding: 14px 32px; border-radius: 25px; font-size: 15px; cursor: pointer; text-decoration: none; display: inline-block; transition: background 0.2s; }
        .btn-cta-secondary:hover { background: rgba(255,255,255,0.2); }


 /* ========== 页脚 ========== */
        .footer { background: #0f1419; color: rgba(255,255,255,0.6); padding: 60px 40px 30px; }
        .footer-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; }
        .footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 20px; }
        .footer-col ul { list-style: none; }
        .footer-col li { margin-bottom: 10px; }
        .footer-col a { color: rgba(255,255,255,0.6); text-decoration: none; font-size: 14px; }
        .footer-col a:hover { color: #fff; }
        .footer-bottom { max-width: 1200px; margin: 40px auto 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); text-align: center; font-size: 13px; }
     .footer-bottom p a{
         
        color: rgba(255, 255, 255, 0.6);
     }
          /* ========== 汉堡菜单 ========== */
        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: space-between;
            width: 28px;
            height: 20px;
            cursor: pointer;
            z-index: 200;
        }
        .menu-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background: #333;
            transition: all 0.3s;
        }
        .menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
        .menu-toggle.active span:nth-child(2) { opacity: 0; }
        .menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

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