*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
        :root{--primary:#6C5CE7;--primary-dark:#5A4BD1;--primary-light:#A29BFE;--secondary:#00CEC9;--accent:#FD79A8;--gradient:linear-gradient(135deg,#6C5CE7 0%,#A29BFE 50%,#00CEC9 100%);--bg:#F8F9FE;--bg-card:#fff;--text:#2D3436;--text-light:#636E72;--text-muted:#B2BEC3;--shadow:0 4px 20px rgba(108,92,231,.08);--shadow-hover:0 8px 40px rgba(108,92,231,.15);--radius:20px}
        html{scroll-behavior:smooth}
        body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden}
        a{text-decoration:none;color:inherit;transition:all .3s ease}

        /* 导航 */
        header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.85);backdrop-filter:blur(20px);border-bottom:1px solid rgba(108,92,231,.08)}
        nav{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center;height:72px}
        .logo{display:flex;align-items:center;gap:12px;font-size:1.5rem;font-weight:800}
        .logo-icon{width:44px;height:44px;background:var(--gradient);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;color:#fff}
        .logo-text{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
        .nav-links{display:flex;list-style:none;gap:2rem}
        .nav-links a{font-weight:500;color:var(--text-light)}
        .nav-links a:hover{color:var(--primary)}
        .nav-cta{background:var(--gradient)!important;color:#fff!important;padding:.6rem 1.5rem;border-radius:50px;font-weight:600}
        .mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer}
        .mobile-toggle span{width:24px;height:2.5px;background:var(--text);border-radius:2px}

        /* Hero */
        .hero{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:120px 2rem 80px;position:relative;overflow:hidden}
        .hero::before{content:'';position:absolute;top:-20%;right:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(108,92,231,.08) 0%,transparent 70%);border-radius:50%;animation:float 8s ease-in-out infinite}
        @keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-30px)}}
        .hero-content{max-width:800px;text-align:center;position:relative;z-index:1}
        .hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(108,92,231,.08);padding:.5rem 1.2rem;border-radius:50px;font-size:.9rem;font-weight:600;color:var(--primary);margin-bottom:2rem}
        .hero-badge .dot{width:8px;height:8px;background:var(--secondary);border-radius:50%;animation:pulse 2s ease-in-out infinite}
        @keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
        .hero h1{font-size:clamp(2.5rem,6vw,4rem);font-weight:900;line-height:1.2;margin-bottom:1.5rem}
        .hero h1 .highlight{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
        .hero p{font-size:1.2rem;color:var(--text-light);max-width:600px;margin:0 auto 2.5rem}
        .hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
        .btn{display:inline-flex;align-items:center;gap:8px;padding:1rem 2.2rem;border-radius:50px;font-size:1.05rem;font-weight:600;cursor:pointer;border:none;transition:all .3s ease}
        .btn-primary{background:var(--gradient);color:#fff;box-shadow:0 6px 25px rgba(108,92,231,.35)}
        .btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 35px rgba(108,92,231,.45)}
        .btn-outline{background:#fff;color:var(--primary);border:2px solid rgba(108,92,231,.2)}
        .btn-outline:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:var(--shadow)}

        /* 统计 */
        .stats{padding:0 2rem 4rem}
        .stats-grid{max-width:900px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
        .stat-item{text-align:center;padding:2rem 1rem;background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);transition:all .3s ease}
        .stat-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
        .stat-number{font-size:2.2rem;font-weight:900;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
        .stat-label{color:var(--text-light);font-size:.9rem;margin-top:.3rem}

        /* 功能 */
        .features{padding:6rem 2rem;max-width:1200px;margin:0 auto}
        .section-header{text-align:center;margin-bottom:4rem}
        .section-tag{display:inline-block;background:rgba(108,92,231,.08);color:var(--primary);padding:.4rem 1rem;border-radius:50px;font-size:.85rem;font-weight:600;margin-bottom:1rem}
        .section-header h2{font-size:clamp(1.8rem,4vw,2.5rem);font-weight:800;margin-bottom:1rem}
        .section-header p{color:var(--text-light);font-size:1.1rem;max-width:600px;margin:0 auto}
        .features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
        .feature-card{background:var(--bg-card);border-radius:var(--radius);padding:2.5rem 2rem;box-shadow:var(--shadow);transition:all .4s ease;position:relative;overflow:hidden}
        .feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient);opacity:0;transition:opacity .3s ease}
        .feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}
        .feature-card:hover::before{opacity:1}
        .feature-icon{width:64px;height:64px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;margin-bottom:1.5rem}
        .feature-icon.purple{background:rgba(108,92,231,.1)}.feature-icon.teal{background:rgba(0,206,201,.1)}.feature-icon.pink{background:rgba(253,121,168,.1)}.feature-icon.yellow{background:rgba(253,203,110,.1)}.feature-icon.blue{background:rgba(116,185,255,.1)}.feature-icon.green{background:rgba(85,239,196,.1)}
        .feature-card h3{font-size:1.25rem;font-weight:700;margin-bottom:.8rem}
        .feature-card p{color:var(--text-light);font-size:.95rem;line-height:1.7}

        /* 步骤 */
        .how-it-works{padding:6rem 2rem;background:#fff}
        .steps-container{max-width:800px;margin:0 auto}
        .step{display:flex;gap:2rem;align-items:flex-start;padding:2rem 0}
        .step-number{width:60px;height:60px;min-width:60px;background:var(--gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:900;color:#fff;box-shadow:0 6px 25px rgba(108,92,231,.3)}
        .step-content h3{font-size:1.3rem;font-weight:700;margin-bottom:.5rem}
        .step-content p{color:var(--text-light)}

        /* 评价 */
        .testimonials{padding:6rem 2rem;max-width:1200px;margin:0 auto}
        .testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
        .testimonial-card{background:var(--bg-card);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow);transition:all .3s ease}
        .testimonial-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
        .testimonial-stars{color:#FDCB6E;margin-bottom:1rem}
        .testimonial-text{color:var(--text);font-size:.95rem;line-height:1.8;margin-bottom:1.5rem}
        .testimonial-author{display:flex;align-items:center;gap:12px}
        .testimonial-avatar{width:48px;height:48px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700}
        .testimonial-name{font-weight:600}
        .testimonial-role{color:var(--text-muted);font-size:.85rem}

        /* CTA */
        .cta{padding:6rem 2rem}
        .cta-box{max-width:900px;margin:0 auto;background:var(--gradient);border-radius:30px;padding:4rem 3rem;text-align:center;color:#fff;position:relative;overflow:hidden;box-shadow:0 20px 60px rgba(108,92,231,.3)}
        .cta-box h2{font-size:clamp(1.8rem,4vw,2.5rem);font-weight:800;margin-bottom:1rem}
        .cta-box p{font-size:1.1rem;opacity:.9;margin-bottom:2rem}
        .btn-white{background:#fff;color:var(--primary);padding:1rem 2.5rem;border-radius:50px;font-size:1.05rem;font-weight:700;display:inline-flex;align-items:center;gap:8px;box-shadow:0 6px 25px rgba(0,0,0,.15)}
        .btn-white:hover{transform:translateY(-3px);box-shadow:0 10px 35px rgba(0,0,0,.2)}

        /* SEO内容 */
        .seo-content{padding:4rem 2rem;max-width:900px;margin:0 auto}
        .seo-content h2{font-size:1.8rem;font-weight:800;margin-bottom:1.5rem;margin-top:2.5rem}
        .seo-content h3{font-size:1.3rem;font-weight:700;margin-bottom:1rem;margin-top:2rem}
        .seo-content p{color:var(--text-light);font-size:1rem;line-height:1.9;margin-bottom:1.2rem}
        .seo-content ul{padding-left:1.5rem;margin-bottom:1.2rem}
        .seo-content li{color:var(--text-light);margin-bottom:.5rem;line-height:1.8}

        /* Footer */
        footer{background:#1A1A2E;color:rgba(255,255,255,.7);padding:4rem 2rem 2rem}
        .footer-content{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem}
        .footer-brand .logo{margin-bottom:1rem}
        .footer-brand .logo-icon{width:40px;height:40px;font-size:1.2rem}
        .footer-brand .logo-text{font-size:1.3rem}
        .footer-brand p{font-size:.9rem;color:rgba(255,255,255,.5)}
        .footer-col h4{color:#fff;font-size:1rem;font-weight:700;margin-bottom:1.2rem}
        .footer-col ul{list-style:none}
        .footer-col li{margin-bottom:.7rem}
        .footer-col a{color:rgba(255,255,255,.5);font-size:.9rem}
        .footer-col a:hover{color:#fff;padding-left:5px}
        .footer-bottom{max-width:1200px;margin:0 auto;padding-top:2rem;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;font-size:.85rem;color:rgba(255,255,255,.4)}
        .footer-bottom a{color:rgba(255,255,255,.4)}
        .footer-bottom a:hover{color:#fff}

        /* 响应式 */
        @media(max-width:1024px){.features-grid,.testimonials-grid{grid-template-columns:repeat(2,1fr)}.footer-content{grid-template-columns:1fr 1fr}}
        @media(max-width:768px){.nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:2rem;gap:1rem;box-shadow:0 10px 30px rgba(0,0,0,.1)}.nav-links.active{display:flex}.mobile-toggle{display:flex}.stats-grid{grid-template-columns:repeat(2,1fr)}.features-grid,.testimonials-grid{grid-template-columns:1fr}.footer-content{grid-template-columns:1fr;gap:2rem}.footer-bottom{flex-direction:column;text-align:center}.cta-box{padding:3rem 2rem}}
        @media(max-width:480px){.stats-grid{grid-template-columns:1fr 1fr}.hero-actions{flex-direction:column;align-items:center}}