:root{
      --bg:#f5f7fb;
      --bg2:#eef3ff;
      --card:#ffffff;
      --text:#172033;
      --muted:#5d687f;
      --line:#dfe6f3;
      --brand:#6b5cff;
      --brand2:#18b7d6;
      --brand3:#ff7ac6;
      --shadow:0 18px 40px rgba(23,32,51,.08);
      --radius:22px;
      --radius-sm:16px;
      --max:1200px;
    }
    *{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;background:
      radial-gradient(circle at top left, rgba(107,92,255,.10), transparent 28%),
      radial-gradient(circle at 80% 10%, rgba(24,183,214,.10), transparent 26%),
      linear-gradient(180deg,var(--bg),#fff 40%,#f8faff 100%);
      color:var(--text);line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    .container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:40;background:rgba(245,247,251,.82);backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid rgba(223,230,243,.8)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
    .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 20px rgba(23,32,51,.08)}
    .brand strong{display:block;font-size:1rem;letter-spacing:.4px}
    .brand span{display:block;color:var(--muted);font-size:.82rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .menu{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:.94rem;color:#31405c;padding:8px 10px;border-radius:999px;transition:.25s}
    .menu a:hover{background:#fff;box-shadow:0 10px 20px rgba(23,32,51,.06);color:var(--brand)}
    .nav-cta{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;cursor:pointer;transition:.25s;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 14px 28px rgba(107,92,255,.25)}
    .btn-primary:hover,.btn-outline:hover{transform:translateY(-2px)}
    .btn-outline{background:#fff;border-color:var(--line);color:var(--text)}
    .nav-toggle{display:none;background:#fff;border:1px solid var(--line);width:44px;height:44px;border-radius:14px;align-items:center;justify-content:center}
    .nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{display:block;width:18px;height:2px;background:#334;position:relative;border-radius:2px}
    .nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0}
    .nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
    main{overflow:hidden}
    .hero{padding:42px 0 18px;position:relative}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch}
    .hero-panel{background:linear-gradient(135deg,rgba(107,92,255,.10),rgba(24,183,214,.08),rgba(255,122,198,.08));border:1px solid rgba(223,230,243,.9);border-radius:28px;box-shadow:var(--shadow);padding:34px;position:relative;overflow:hidden}
    .hero-panel::before,.hero-panel::after{content:"";position:absolute;border-radius:50%;filter:blur(6px);pointer-events:none}
    .hero-panel::before{width:220px;height:220px;right:-90px;top:-90px;background:radial-gradient(circle,rgba(107,92,255,.22),transparent 65%)}
    .hero-panel::after{width:180px;height:180px;left:-70px;bottom:-70px;background:radial-gradient(circle,rgba(24,183,214,.18),transparent 65%)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 12px;color:#41506b;font-size:.88rem;box-shadow:0 8px 18px rgba(23,32,51,.05)}
    h1{margin:16px 0 14px;font-size:clamp(2rem,4vw,3.8rem);line-height:1.08;letter-spacing:-.02em}
    .lead{font-size:1.05rem;color:#33415d;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 18px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:20px}
    .point{background:rgba(255,255,255,.84);border:1px solid rgba(223,230,243,.9);border-radius:18px;padding:16px;box-shadow:0 10px 22px rgba(23,32,51,.05)}
    .point b{display:block;font-size:1.1rem}
    .point span{color:var(--muted);font-size:.9rem}
    .hero-side{display:grid;gap:14px}
    .glass-card{background:rgba(255,255,255,.84);border:1px solid rgba(223,230,243,.9);border-radius:24px;box-shadow:var(--shadow);padding:22px}
    .metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .metric{background:linear-gradient(180deg,#fff,#f7f9ff);border:1px solid var(--line);border-radius:18px;padding:18px}
    .metric strong{display:block;font-size:1.45rem}
    .metric span{color:var(--muted);font-size:.92rem}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}
    .section-head h2{margin:0;font-size:1.8rem}
    .section-head p{margin:0;color:var(--muted);max-width:68ch}
    .cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .card{background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:22px;transition:.25s}
    .card:hover{transform:translateY(-4px);box-shadow:0 20px 42px rgba(23,32,51,.12)}
    .card h3{margin:0 0 8px;font-size:1.08rem}
    .card p,.card li{color:var(--muted)}
    .badge-row{display:flex;flex-wrap:wrap;gap:10px}
    .badge{padding:8px 12px;border-radius:999px;background:#f4f7ff;border:1px solid #dce6ff;color:#40506c;font-size:.88rem}
    .timeline{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:56px 1fr;gap:14px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:var(--shadow)}
    .step .num{width:56px;height:56px;border-radius:18px;background:linear-gradient(135deg,rgba(107,92,255,.18),rgba(24,183,214,.18));display:flex;align-items:center;justify-content:center;font-weight:800;color:#25304b}
    .table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:14px 16px;border-bottom:1px solid #edf1f7;text-align:left;vertical-align:top}
    th{background:#f7f9ff;color:#22304b}
    tr:last-child td{border-bottom:none}
    .split{display:grid;grid-template-columns:1.05fr .95fr;gap:16px;align-items:start}
    .mini-list{display:grid;gap:10px}
    .mini-item{display:flex;justify-content:space-between;gap:12px;padding:14px 16px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .mini-item b{font-size:.96rem}
    .mini-item span{color:var(--muted)}
    details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:var(--shadow)}
    details+details{margin-top:12px}
    summary{cursor:pointer;font-weight:700;list-style:none}
    summary::-webkit-details-marker{display:none}
    .testimonials{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .quote{position:relative}
    .quote p{margin:10px 0 0;color:var(--muted)}
    .quote .who{margin-top:14px;font-weight:700}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:10px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:0 8px 18px rgba(23,32,51,.05)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .form-card form{display:grid;gap:12px}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    input,select,textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 14px;font:inherit;background:#fff;color:var(--text);outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#9aa9ff;box-shadow:0 0 0 4px rgba(107,92,255,.10)}
    .footer-cta{display:grid;grid-template-columns:1.1fr .9fr;gap:16px;align-items:start}
    footer{background:#0f1728;color:#dfe8ff;margin-top:10px}
    footer .container{padding:26px 0}
    footer a{color:#a8d9ff}
    .footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .footer-grid p,.footer-grid li{color:#afbddc}
    .copyright{margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);color:#95a3c5;font-size:.92rem}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .floating a,.floating button{width:52px;height:52px;border-radius:18px;border:none;display:flex;align-items:center;justify-content:center;box-shadow:0 14px 30px rgba(23,32,51,.18);cursor:pointer}
    .floating .kf{background:linear-gradient(135deg,var(--brand),var(--brand3));color:#fff}
    .floating .top{background:#fff;color:var(--text);border:1px solid var(--line)}
    .mobile-menu{display:none}
    .menu-open .mobile-menu{display:block}
    .mobile-panel{display:none}
    .intro-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
    .strip{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:var(--shadow)}
    .strip b{display:block;margin-bottom:4px}
    .strip span{color:var(--muted);font-size:.92rem}
    .scroll-note{color:var(--muted);font-size:.92rem}
    @media (max-width: 1024px){
      .hero-grid,.split,.footer-cta,.footer-grid,.cards,.testimonials,.faq-grid,.intro-strip{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 760px){
      .menu{display:none}
      .nav-toggle{display:inline-flex}
      .mobile-panel{display:none;padding:0 0 14px}
      .mobile-panel a{display:block;padding:12px 14px;margin:8px 0;background:#fff;border:1px solid var(--line);border-radius:14px}
      .hero-grid,.split,.footer-cta,.footer-grid,.cards,.testimonials,.faq-grid,.intro-strip,.hero-points,.metric-grid,.form-row{grid-template-columns:1fr}
      .hero-panel{padding:24px}
      .section-head{align-items:start;flex-direction:column}
      .floating{right:12px;bottom:12px}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      *,*::before,*::after{animation:none!important;transition:none!important}
    }
    .reveal{opacity:0;transform:translateY(12px);transition:.6s ease}
    .reveal.visible{opacity:1;transform:none}