:root{
      --bg:#f7f4ff;
      --bg2:#ffffff;
      --card:#ffffff;
      --line:rgba(101,63,255,.14);
      --text:#1f2340;
      --muted:#5f6786;
      --purple:#7a3cff;
      --purple2:#a55bff;
      --pink:#ff5bbd;
      --blue:#3b82f6;
      --shadow:0 18px 50px rgba(71,46,160,.12);
      --shadow2:0 10px 30px rgba(122,60,255,.16);
      --radius:22px;
      --radius2:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 10%, rgba(122,60,255,.10), transparent 22%),
        radial-gradient(circle at 90% 0%, rgba(255,91,189,.10), transparent 18%),
        linear-gradient(180deg,#fbf9ff 0%, #f4f0ff 36%, #fff 100%);
      line-height:1.65;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(16px);
      background:rgba(255,255,255,.78);
      border-bottom:1px solid rgba(122,60,255,.10);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:74px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 8px 24px rgba(122,60,255,.12)}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:14px;padding:10px 12px}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#313a60;padding:8px 0;position:relative}
    .nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:linear-gradient(90deg,var(--purple),var(--pink));transition:.25s}
    .nav-links a:hover::after{width:100%}
    .hero{padding:34px 0 26px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.panel,.card,.faq-item,.review,.article,.metric,.price-item,.timeline-item,.table-wrap,.form-card{
      background:rgba(255,255,255,.82);
      border:1px solid rgba(122,60,255,.12);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-main{padding:34px; position:relative; overflow:hidden}
    .hero-main::before,.hero-main::after{
      content:"";position:absolute;border-radius:50%;pointer-events:none;filter:blur(10px)
    }
    .hero-main::before{width:180px;height:180px;right:-40px;top:-40px;background:radial-gradient(circle, rgba(122,60,255,.20), transparent 70%)}
    .hero-main::after{width:140px;height:140px;left:-30px;bottom:-30px;background:radial-gradient(circle, rgba(255,91,189,.18), transparent 70%)}
    .badge{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:linear-gradient(90deg, rgba(122,60,255,.12), rgba(255,91,189,.10));color:#4a2cd3;font-size:13px;font-weight:700}
    h1{margin:16px 0 12px;font-size:clamp(30px,4vw,52px);line-height:1.08;letter-spacing:-.03em}
    .lead{margin:0;color:var(--muted);font-size:16px;max-width:62ch}
    .cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:13px 18px;border-radius:14px;border:1px solid transparent;
      font-weight:700;font-size:15px;transition:.25s ease;cursor:pointer
    }
    .btn-primary{background:linear-gradient(135deg,var(--purple),var(--pink));color:#fff;box-shadow:var(--shadow2)}
    .btn-primary:hover{transform:translateY(-2px)}
    .btn-ghost{background:#fff;border-color:rgba(122,60,255,.16);color:var(--text)}
    .btn-ghost:hover{transform:translateY(-2px);border-color:rgba(122,60,255,.28)}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .metric{padding:18px}
    .metric strong{display:block;font-size:22px}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
    .hero-side{padding:22px;display:flex;flex-direction:column;gap:14px}
    .side-box{padding:18px;border-radius:18px;background:linear-gradient(180deg,rgba(122,60,255,.08),rgba(255,255,255,.8));border:1px solid rgba(122,60,255,.10)}
    .side-box h3{margin:0 0 8px;font-size:16px}
    .side-box p,.side-box li{margin:0;color:var(--muted);font-size:14px}
    .chips{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid rgba(122,60,255,.12);font-size:13px;color:#3b4268}
    section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:26px}
    .section-head p{margin:0;color:var(--muted);max-width:68ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .card{padding:20px}
    .card h3{margin:10px 0 8px;font-size:18px}
    .card p,.card li{margin:0;color:var(--muted);font-size:14px}
    .icon{
      width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(122,60,255,.14),rgba(255,91,189,.14));color:#6e33ff;font-weight:800
    }
    .list{padding-left:18px;margin:10px 0 0}
    .list li{margin:6px 0}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{position:relative;padding:20px}
    .step .num{font-size:12px;font-weight:800;color:#7a3cff;letter-spacing:.12em;text-transform:uppercase}
    .step h3{margin:8px 0}
    .compare{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden}
    .compare th,.compare td{padding:14px 16px;border-bottom:1px solid rgba(122,60,255,.10);text-align:left;vertical-align:top;font-size:14px}
    .compare th{background:linear-gradient(180deg,rgba(122,60,255,.09),rgba(255,255,255,.9));color:#283055}
    .table-wrap{overflow:auto}
    .rating{
      display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center
    }
    .stars{color:#ffad33;font-size:18px;letter-spacing:2px}
    .score{font-size:34px;font-weight:900;color:#6a2fff}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .timeline{display:grid;gap:12px}
    .timeline-item{padding:18px}
    .timeline-item strong{display:block;margin-bottom:6px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 13px;border-radius:999px;background:#fff;border:1px solid rgba(122,60,255,.12);font-size:13px;color:#3f466d}
    .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review{padding:20px}
    .review .top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}
    .review .name{font-weight:800}
    .review .role{font-size:13px;color:var(--muted)}
    .faq{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
      padding:18px 20px;background:transparent;border:0;color:var(--text);font-size:16px;font-weight:700;text-align:left;cursor:pointer
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 20px}
    .faq-item.open .faq-a{max-height:220px;padding-bottom:18px}
    .faq-item.open .faq-q .arrow{transform:rotate(180deg)}
    .arrow{transition:.25s}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article{padding:20px}
    .article a{color:#5a2fe0;font-weight:700}
    .form-card{padding:22px}
    form{display:grid;gap:14px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    label{display:grid;gap:8px;font-size:14px;font-weight:700;color:#2f3558}
    input,select,textarea{
      width:100%;border:1px solid rgba(122,60,255,.16);background:#fff;border-radius:14px;
      padding:13px 14px;color:var(--text);font:inherit;outline:none
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(122,60,255,.45);box-shadow:0 0 0 4px rgba(122,60,255,.08)}
    .footer{
      margin-top:18px;padding:22px 0 30px;border-top:1px solid rgba(122,60,255,.12);
      background:linear-gradient(180deg, rgba(255,255,255,.78), rgba(247,244,255,.95));color:#2a3152
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start}
    .footer a{color:#5b2de0}
    .footer small{color:#5b627f}
    .floating{
      position:fixed;right:18px;bottom:18px;z-index:60;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--purple),var(--pink));color:#fff;box-shadow:var(--shadow2);font-size:18px
    }
    .kefu{
      position:fixed;left:18px;bottom:18px;z-index:60;display:none
    }
    .kefu-card{
      width:220px;padding:16px;border-radius:20px;background:#fff;border:1px solid rgba(122,60,255,.16);box-shadow:var(--shadow)
    }
    .kefu-card img{border-radius:14px}
    .kefu-card p{margin:10px 0 0;font-size:13px;color:var(--muted)}
    .reveal{opacity:0;transform:translateY(18px);transition:.7s ease}
    .reveal.show{opacity:1;transform:none}
    .home-link{font-weight:800;color:#5a2fe0}
    .image-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .image-row img{width:100%;border-radius:18px;border:1px solid rgba(122,60,255,.12);background:#fff;box-shadow:var(--shadow)}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-4,.workflow,.review-grid,.articles,.split,.footer-grid,.hero-points,.image-row{grid-template-columns:1fr 1fr}
      .hero-main{padding:26px}
    }
    @media (max-width: 720px){
      .nav-toggle{display:inline-flex}
      .nav-links{
        display:none;position:absolute;left:16px;right:16px;top:74px;padding:14px;border-radius:18px;
        background:rgba(255,255,255,.98);border:1px solid rgba(122,60,255,.12);box-shadow:var(--shadow);flex-direction:column;align-items:flex-start
      }
      .nav-links.open{display:flex}
      .hero-grid,.grid-3,.grid-4,.workflow,.review-grid,.articles,.split,.footer-grid,.hero-points,.image-row,.form-grid{grid-template-columns:1fr}
      .hero{padding-top:18px}
      .hero-main,.hero-side,.card,.review,.article,.timeline-item,.form-card,.metric,.side-box{border-radius:18px}
      .section-head{flex-direction:column;align-items:flex-start}
      .score{font-size:28px}
      .floating{right:12px;bottom:12px}
      .kefu{display:block}
    }