:root{
      --bg:#f7f5ff;
      --bg2:#ffffff;
      --card:#ffffff;
      --text:#1f2330;
      --muted:#5d6477;
      --line:#e8e3fb;
      --primary:#7b3ff2;
      --primary2:#b84dff;
      --accent:#ff7fd1;
      --shadow:0 16px 40px rgba(80, 50, 160, .10);
      --radius:22px;
      --max: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 top left, rgba(123,63,242,.12), transparent 26%),
        radial-gradient(circle at top right, rgba(255,127,209,.10), transparent 22%),
        linear-gradient(180deg, #fbfaff 0%, #f6f3ff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--max);margin:0 auto;padding:0 20px}
    .topbar{
      position:sticky;top:0;z-index:40;
      backdrop-filter:blur(16px);
      background:rgba(255,255,255,.78);
      border-bottom:1px solid rgba(232,227,251,.85);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      min-height:76px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain}
    .brand strong{display:block;font-size:17px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
    .navlinks{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .navlinks a{font-size:14px;color:#333a4d;padding:8px 10px;border-radius:999px;transition:.25s}
    .navlinks a:hover,.navlinks a.active{background:rgba(123,63,242,.10);color:var(--primary)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 18px;border-radius:999px;border:1px solid transparent;
      font-weight:700;cursor:pointer;transition:.25s;line-height:1;
      box-shadow:0 10px 24px rgba(123,63,242,.14);
    }
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--text)}
    .btn:hover{transform:translateY(-1px);box-shadow:0 16px 30px rgba(123,63,242,.18)}
    .menu-btn{display:none}
    .hero{padding:42px 0 18px}
    .hero-grid{
      display:grid;grid-template-columns:1.35fr .95fr;gap:24px;align-items:stretch;
    }
    .hero-main,.hero-side,.section-card,.review-card,.info-card,.faq-item,.form-card,.quote-card,.article-card,.tag-box,.compare-box{
      background:var(--card);border:1px solid rgba(232,227,251,.92);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%;filter:blur(0);
      background:radial-gradient(circle, rgba(184,77,255,.18), transparent 60%);
      pointer-events:none;
    }
    .hero-main:before{width:240px;height:240px;right:-60px;top:-70px}
    .hero-main:after{width:180px;height:180px;left:-60px;bottom:-50px;background:radial-gradient(circle, rgba(123,63,242,.15), transparent 60%)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(123,63,242,.10);color:var(--primary);font-size:13px;font-weight:700}
    h1{margin:16px 0 14px;font-size:clamp(32px,5vw,52px);line-height:1.05;letter-spacing:-.02em}
    .lead{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}
    .metric{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff, #f9f6ff);border:1px solid var(--line)}
    .metric b{display:block;font-size:22px;color:var(--primary)}
    .metric span{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.5}
    .hero-side{padding:22px;display:grid;gap:14px;align-content:start}
    .mini-card{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff 0%,#fbf9ff 100%);border:1px solid var(--line)}
    .mini-card h3{margin:0 0 8px;font-size:16px}
    .mini-card p,.mini-card li{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .mini-card ul{margin:0;padding-left:18px;display:grid;gap:8px}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:0 0 16px}
    .section-head h2{margin:0;font-size:26px}
    .section-head p{margin:0;color:var(--muted);line-height:1.7;max-width:68ch}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .section-card{padding:22px}
    .feature h3,.solution h3,.case h3,.review-card h3,.article-card h3,.info-card h3{margin:0 0 10px;font-size:18px}
    .feature p,.solution p,.case p,.review-card p,.article-card p,.info-card p{margin:0;color:var(--muted);line-height:1.75;font-size:14px}
    .badge{display:inline-flex;align-items:center;padding:7px 10px;border-radius:999px;background:#f3edff;color:var(--primary);font-size:12px;font-weight:700;margin-bottom:12px}
    .steps{counter-reset:step}
    .step{position:relative;padding:22px 18px 18px 18px}
    .step:before{
      counter-increment:step;content:counter(step);
      width:36px;height:36px;display:grid;place-items:center;border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;font-weight:800;margin-bottom:14px;
    }
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line)}
    table{width:100%;border-collapse:collapse;min-width:860px;background:#fff}
    th,td{padding:16px 14px;border-bottom:1px solid #ece7fb;text-align:left;font-size:14px;vertical-align:top}
    th{background:#faf8ff;color:#343b53}
    td{color:#40465b;line-height:1.7}
    .rating{font-weight:800;color:var(--primary)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:10px 12px;border-radius:999px;background:linear-gradient(180deg,#fff,#f8f5ff);border:1px solid var(--line);font-size:13px;color:#3d465a}
    .compare-box{padding:24px}
    .compare-score{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:16px}
    .score-pill{padding:10px 14px;border-radius:999px;background:rgba(123,63,242,.10);color:var(--primary);font-weight:800}
    .faq{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;text-align:left;border:0;background:transparent;padding:18px 20px;
      display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:15px;font-weight:700;color:var(--text);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-a p{margin:0;color:var(--muted);line-height:1.75;font-size:14px}
    .review-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
    .stars{color:#ff9a2e;letter-spacing:2px;font-size:14px}
    .quote-card{padding:20px;position:relative}
    .quote-card:before{content:"“";position:absolute;top:-8px;right:18px;font-size:72px;color:rgba(123,63,242,.10);font-family:serif}
    .articles{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .article-list{display:grid;gap:12px}
    .article-card{padding:18px}
    .article-card small{display:block;color:var(--primary);font-weight:700;margin-bottom:8px}
    .contact-layout{display:grid;grid-template-columns:1fr .85fr;gap:16px}
    .form-card{padding:24px}
    .field-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:grid;gap:8px}
    label{font-size:13px;color:#3d465a;font-weight:700}
    input,select,textarea{
      width:100%;border:1px solid #ddd8f4;border-radius:14px;padding:13px 14px;font:inherit;background:#fff;color:var(--text);
      outline:none;transition:.2s
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(123,63,242,.6);box-shadow:0 0 0 4px rgba(123,63,242,.10)}
    .aside-contact{padding:24px;display:grid;gap:16px;align-content:start}
    .qrcode{display:flex;align-items:center;gap:14px;padding:14px;border-radius:18px;background:#faf8ff;border:1px solid var(--line)}
    .qrcode img{width:108px;height:108px;object-fit:cover;border-radius:14px;border:1px solid #e8e3fb}
    .foot{
      margin-top:14px;padding:20px 0 28px;border-top:1px solid rgba(232,227,251,.9);
      background:rgba(255,255,255,.55);color:#374056
    }
    .foot .container{display:grid;gap:14px}
    .foot-top{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;flex-wrap:wrap}
    .foot-links{display:flex;flex-wrap:wrap;gap:12px}
    .foot-links a{color:#4b5266;font-size:14px}
    .foot small{color:#67708a;line-height:1.7}
    .floating{
      position:fixed;right:18px;bottom:18px;z-index:45;display:grid;gap:10px
    }
    .floating a,.floating button{
      width:48px;height:48px;border-radius:50%;border:0;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 14px 28px rgba(123,63,242,.24);cursor:pointer
    }
    .mobile-panel{display:none}
    .scroll-reveal{opacity:0;transform:translateY(16px);transition:.5s ease}
    .scroll-reveal.in{opacity:1;transform:none}
    .home-link{font-weight:800}
    @media (max-width: 1024px){
      .hero-grid,.grid-4,.articles,.contact-layout{grid-template-columns:1fr}
      .grid-3{grid-template-columns:repeat(2,1fr)}
      .hero-points{grid-template-columns:1fr}
      .navlinks{display:none}
      .menu-btn{display:inline-flex}
      .mobile-panel{
        display:none;padding:0 0 16px
      }
      .mobile-panel.open{display:block}
      .mobile-panel .navlinks{display:grid;gap:8px;justify-content:stretch;padding:12px 0 0}
      .mobile-panel .navlinks a{background:#fff;border:1px solid var(--line)}
    }
    @media (max-width: 720px){
      .container{padding:0 16px}
      .hero-main,.hero-side,.section-card,.compare-box,.form-card,.aside-contact{padding:18px}
      .grid-2,.grid-3,.field-grid{grid-template-columns:1fr}
      h1{font-size:30px}
      .section-head{align-items:flex-start;flex-direction:column}
      .nav{min-height:68px}
      .brand span{display:none}
    }