:root{
      --bg:#f7f4ff;
      --bg2:#fffafc;
      --card:#ffffff;
      --line:#e7defb;
      --text:#1f2340;
      --muted:#5e647d;
      --brand:#7a3cff;
      --brand2:#a855f7;
      --accent:#ff6bcb;
      --good:#1f9d73;
      --shadow:0 20px 60px rgba(102, 57, 190, .12);
      --radius:24px;
      --radius-sm:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background:
        radial-gradient(circle at top left, rgba(168,85,247,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(255,107,203,.10), transparent 26%),
        linear-gradient(180deg, #fbf9ff 0%, #f7f4ff 45%, #fff 100%);
      color:var(--text);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--container));margin:0 auto}
    .topbar{
      position:sticky;top:0;z-index:40;
      backdrop-filter: blur(14px);
      background:rgba(255,255,255,.72);
      border-bottom:1px solid rgba(231,222,251,.9);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:76px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain;border-radius:10px;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);margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#383d5d;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(--brand),var(--accent));transition:.25s}
    .nav-links a:hover::after{width:100%}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:1px solid transparent;border-radius:999px;padding:12px 18px;
      font-weight:700;font-size:14px;cursor:pointer;transition:.25s ease;
      white-space:nowrap
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 26px rgba(122,60,255,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(122,60,255,.28)}
    .btn-soft{background:#fff;color:var(--brand);border-color:var(--line)}
    .btn-soft:hover{transform:translateY(-2px);border-color:#ccb5ff;box-shadow:var(--shadow)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);width:44px;height:44px;border-radius:14px}
    .menu-btn span{display:block;width:18px;height:2px;background:var(--text);margin:4px auto;border-radius:2px}
    .hero{padding:56px 0 26px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
    .hero-main{
      position:relative;overflow:hidden;
      padding:34px;background:
        linear-gradient(135deg, rgba(122,60,255,.96), rgba(168,85,247,.92) 55%, rgba(255,107,203,.84));
      color:#fff;border-radius:32px;box-shadow:0 28px 70px rgba(122,60,255,.22)
    }
    .hero-main::before,.hero-main::after{
      content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.14);filter:blur(10px)
    }
    .hero-main::before{width:180px;height:180px;right:-40px;top:-30px}
    .hero-main::after{width:120px;height:120px;right:70px;bottom:-40px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.14);font-size:13px}
    h1{margin:18px 0 14px;font-size:clamp(30px,5vw,54px);line-height:1.05;letter-spacing:-.02em}
    .lead{margin:0;color:rgba(255,255,255,.92);font-size:16px;line-height:1.8;max-width:58ch}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0}
    .hero-point{padding:14px;border-radius:18px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16)}
    .hero-point b{display:block;font-size:18px;margin-bottom:6px}
    .hero-point span{font-size:13px;color:rgba(255,255,255,.88);line-height:1.6}
    .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-cta .btn-soft{background:#fff}
    .hero-side{display:grid;gap:16px}
    .mini-card,.stat-card,.feature-card,.faq-item,.review-card,.article-card,.contact-card,.pricing-card{
      background:var(--card);border:1px solid rgba(231,222,251,.9);border-radius:var(--radius);box-shadow:var(--shadow)
    }
    .mini-card{padding:22px}
    .mini-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
    .mini-title h3{margin:0;font-size:18px}
    .tag-row{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#f5efff;color:#55329d;font-size:13px;border:1px solid #eadfff}
    .stats{padding:22px 0 10px}
    .stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .stat-card{padding:22px}
    .stat-card strong{display:block;font-size:28px;color:var(--brand);line-height:1}
    .stat-card span{display:block;margin-top:10px;color:var(--muted);line-height:1.6;font-size:14px}
    section{padding:26px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px;line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:68ch;line-height:1.7}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .feature-card,.pricing-card,.review-card,.article-card,.contact-card{padding:22px}
    .feature-card h3,.pricing-card h3,.review-card h3,.article-card h3{margin:0 0 10px;font-size:18px}
    .feature-card p,.pricing-card p,.review-card p,.article-card p,.contact-card p{margin:0;color:var(--muted);line-height:1.75}
    .icon{
      width:48px;height:48px;border-radius:16px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(122,60,255,.14), rgba(255,107,203,.14));
      color:var(--brand);font-weight:800;margin-bottom:14px
    }
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{
      padding:22px;border-radius:24px;background:linear-gradient(180deg,#fff, #fbf8ff);border:1px solid var(--line);position:relative
    }
    .step b{display:inline-flex;width:34px;height:34px;border-radius:12px;align-items:center;justify-content:center;background:var(--brand);color:#fff;margin-bottom:12px}
    .step h3{margin:0 0 8px;font-size:18px}
    .step p{margin:0;color:var(--muted);line-height:1.7}
    .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:920px}
    th,td{padding:16px 18px;text-align:left;border-bottom:1px solid #f0eaff;vertical-align:top}
    th{background:#fbf8ff;color:#2b2f46;font-size:14px}
    td{color:#4c5168;font-size:14px;line-height:1.7}
    .score{color:var(--brand);font-weight:800}
    .compare-note{margin-top:12px;color:var(--muted);font-size:13px;line-height:1.7}
    .faq-list{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;border:0;background:none;color:var(--text);font-size:16px;font-weight:700;
      padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:10px;cursor:pointer;text-align:left
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 22px}
    .faq-a p{margin:0 0 18px;color:var(--muted);line-height:1.8}
    .faq-item.active .faq-a{max-height:220px}
    .faq-item.active .faq-q .chev{transform:rotate(180deg)}
    .chev{transition:.25s}
    .review-meta{display:flex;align-items:center;gap:12px;margin-bottom:14px}
    .avatar{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--accent))}
    .review-role{font-size:13px;color:var(--muted)}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article-card time{display:inline-block;color:#7b64b9;font-size:13px;margin-bottom:10px}
    .chip-row{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:8px 10px;border-radius:999px;background:#f4edff;color:#5a349e;font-size:12px}
    .form{
      display:grid;grid-template-columns:repeat(2,1fr);gap:14px
    }
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1 / -1}
    label{font-size:14px;font-weight:700;color:#313654}
    input,select,textarea{
      width:100%;border:1px solid #ddd5f3;border-radius:16px;background:#fff;padding:14px 15px;
      font:inherit;color:var(--text);outline:none;transition:.2s
    }
    input:focus,select:focus,textarea:focus{border-color:#b48cff;box-shadow:0 0 0 4px rgba(168,85,247,.12)}
    textarea{min-height:130px;resize:vertical}
    .submit-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:4px}
    .contact-grid{display:grid;grid-template-columns:1fr .8fr;gap:16px}
    .contact-list{display:grid;gap:12px}
    .contact-item{
      padding:16px;border-radius:18px;background:#fbf8ff;border:1px solid #eadfff
    }
    .contact-item b{display:block;margin-bottom:6px}
    .footer{
      padding:24px 0 30px;border-top:1px solid rgba(231,222,251,.9);background:#fff;color:var(--text)
    }
    .footer-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:start}
    .footer small,.footer p,.footer a{color:#565c75}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 12px;border-radius:999px;background:#f7f3ff;border:1px solid #eadfff}
    .floating{
      position:fixed;right:18px;bottom:18px;z-index:50;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:18px;background:linear-gradient(135deg,var(--brand),var(--accent));
      color:#fff;display:grid;place-items:center;box-shadow:0 16px 36px rgba(122,60,255,.25);border:0;cursor:pointer
    }
    .kefu-panel{
      position:fixed;right:18px;bottom:82px;z-index:49;width:min(320px, calc(100vw - 36px));
      background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:16px;display:none
    }
    .kefu-panel.active{display:block}
    .kefu-panel h3{margin:0 0 12px;font-size:16px}
    .kefu-panel .qr{display:flex;gap:14px;align-items:center}
    .kefu-panel img{width:96px;height:96px;object-fit:cover;border-radius:18px;border:1px solid #eee}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    .muted{color:var(--muted)}
    .pill{display:inline-flex;padding:8px 12px;border-radius:999px;background:#fff;color:#6b3bcc;border:1px solid #e7defb;font-size:13px}
    .inline-logo{display:flex;align-items:center;gap:10px}
    .inline-logo img{width:48px;height:48px;object-fit:contain}
    .hero-side .mini-card:first-child{border-top:4px solid var(--brand)}
    .home-link{font-weight:700}
    .gallery{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .gallery .feature-card img{border-radius:18px;margin-top:12px;border:1px solid #eee}
    .service-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .service-cloud .tag{background:#fff}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.timeline,.article-list,.contact-grid,.footer-grid,.stat-grid{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .section-head{align-items:flex-start;flex-direction:column}
      .nav-links{display:none}
      .menu-btn{display:inline-grid;place-items:center}
      .nav.open .nav-links{
        display:flex;position:absolute;left:16px;right:16px;top:76px;flex-direction:column;align-items:flex-start;
        background:#fff;border:1px solid var(--line);border-radius:22px;padding:16px;box-shadow:var(--shadow)
      }
      .nav{position:relative}
      .nav-actions .btn-soft{display:none}
      .form{grid-template-columns:1fr}
    }
    @media (max-width: 640px){
      .hero{padding-top:22px}
      .hero-main{padding:24px;border-radius:26px}
      .stat-card,.feature-card,.pricing-card,.review-card,.article-card,.contact-card,.mini-card{padding:18px}
      .section-head h2{font-size:24px}
      .brand strong{font-size:16px}
    }