:root{
      --bg:#f6f7fb;
      --panel:#ffffff;
      --panel-2:#f3f7ff;
      --ink:#0f172a;
      --muted:#475569;
      --line:#dbe3f1;
      --brand:#6d28d9;
      --brand-2:#0f766e;
      --accent:#ff4d7d;
      --accent-2:#ffb703;
      --shadow:0 16px 40px rgba(15,23,42,.08);
      --radius:20px;
      --radius-sm:14px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at top left, rgba(109,40,217,.12), transparent 24%),
        radial-gradient(circle at top right, rgba(255,77,125,.10), transparent 22%),
        linear-gradient(180deg, #ffffff 0%, #f7f8fc 32%, #f6f7fb 100%);
      line-height:1.7;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(12px);
      background:rgba(255,255,255,.82);
      border-bottom:1px solid rgba(219,227,241,.8);
    }
    .nav-wrap{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;padding:4px;box-shadow:0 8px 20px rgba(15,23,42,.08)}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:1.02rem;letter-spacing:.3px}
    .brand-text span{display:block;font-size:.82rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--ink)}
    .nav{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .nav a{font-size:.94rem;color:#1e293b;padding:8px 0;position:relative}
    .nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--accent));transition:.2s}
    .nav a:hover::after{width:100%}
    .nav .home-pill{padding:10px 14px;border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;box-shadow:0 12px 24px rgba(109,40,217,.25)}
    .nav .home-pill::after{display:none}
    .hero{padding:42px 0 20px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:stretch}
    .hero-main,.hero-side,.panel,.card,.faq-item,.form-card,.quote-card,.timeline-item,.compare-box{background:var(--panel);border:1px solid rgba(219,227,241,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:30px;position:relative;overflow:hidden}
    .hero-main::before,.hero-main::after{content:"";position:absolute;border-radius:999px;pointer-events:none}
    .hero-main::before{width:220px;height:220px;right:-90px;top:-90px;background:radial-gradient(circle, rgba(255,77,125,.16), transparent 65%)}
    .hero-main::after{width:180px;height:180px;left:-70px;bottom:-80px;background:radial-gradient(circle, rgba(109,40,217,.15), transparent 65%)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:linear-gradient(135deg, rgba(109,40,217,.12), rgba(255,77,125,.12));color:#5b21b6;font-weight:700;font-size:.88rem}
    h1{margin:14px 0 12px;font-size:clamp(2rem,4vw,3.6rem);line-height:1.08;letter-spacing:-.02em}
    .hero p{margin:0;color:var(--muted);font-size:1.03rem;max-width:64ch}
    .hero-actions{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;font-weight:700;border:1px solid transparent;transition:.22s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;box-shadow:0 16px 30px rgba(109,40,217,.25)}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--ink)}
    .btn:hover{transform:translateY(-2px)}
    .hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .metric{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff 0%,#f8fbff 100%);border:1px solid var(--line)}
    .metric strong{display:block;font-size:1.35rem}
    .metric span{display:block;color:var(--muted);font-size:.9rem}
    .hero-side{padding:18px;background:linear-gradient(180deg,#0f172a 0%, #172554 100%);color:#fff;overflow:hidden}
    .hero-side .panel-inner{display:grid;gap:14px}
    .hero-side .tag-row{display:flex;flex-wrap:wrap;gap:8px}
    .chip{padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);font-size:.85rem}
    .hero-side h2{margin:4px 0 0;font-size:1.25rem}
    .hero-side p{color:rgba(255,255,255,.82);margin:0}
    .mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
    .mini-box{padding:14px;border-radius:16px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12)}
    .mini-box b{display:block;font-size:1rem}
    .mini-box span{display:block;font-size:.88rem;color:rgba(255,255,255,.78)}
    .section{padding:24px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:clamp(1.4rem,2.5vw,2.15rem)}
    .section-head p{margin:0;color:var(--muted);max-width:70ch}
    .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:18px}
    .card h3{margin:0 0 10px;font-size:1.05rem}
    .card p,.card li{color:var(--muted)}
    .card ul{margin:0;padding-left:18px}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:#eef2ff;color:#4338ca;font-size:.84rem;font-weight:700}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff 0%,#f8fbff 100%);border:1px solid var(--line);position:relative}
    .step .num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;font-weight:800;margin-bottom:10px}
    .compare-box{overflow:hidden}
    .table-wrap{overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f8fbff;color:#0f172a;font-size:.95rem}
    td{color:#334155}
    .scorebox{padding:18px;border-radius:18px;background:linear-gradient(135deg, rgba(109,40,217,.08), rgba(255,77,125,.08));border:1px solid rgba(109,40,217,.14)}
    .scoreline{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:10px}
    .stars{color:#f59e0b;font-size:1.15rem;letter-spacing:1px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#334155}
    .pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .price-card{padding:20px;border-radius:20px;background:#fff;border:1px solid var(--line)}
    .price-card.featured{background:linear-gradient(180deg,#ffffff 0%,#f3f7ff 100%);border-color:rgba(109,40,217,.22)}
    .price{font-size:2rem;font-weight:800;margin:8px 0}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .timeline-item{padding:18px}
    .timeline-item b{display:block;margin-bottom:8px}
    .case-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .case{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff 0%,#f8fbff 100%);border:1px solid var(--line)}
    .quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote-card{padding:18px}
    .quote-card header{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:10px}
    .quote-card .role{color:var(--brand);font-weight:700;font-size:.92rem}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;border:0;background:transparent;padding:18px;text-align:left;font:inherit;color:var(--ink);display:flex;justify-content:space-between;gap:12px;align-items:center;cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;padding:0 18px}
    .faq-item.active .faq-a{max-height:220px;padding-bottom:18px}
    .faq-item.active .faq-q .arrow{transform:rotate(180deg)}
    .arrow{transition:.2s}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article-card{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .article-card a{color:var(--brand);font-weight:700}
    .contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px;align-items:start}
    .form-card{padding:20px}
    form{display:grid;gap:12px}
    .field{display:grid;gap:6px}
    label{font-weight:700;font-size:.92rem}
    input,select,textarea{
      width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;
      padding:12px 14px;font:inherit;color:var(--ink);outline:none
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(109,40,217,.5);box-shadow:0 0 0 4px rgba(109,40,217,.08)}
    .contact-box{display:grid;gap:14px}
    .contact-box .card{background:linear-gradient(180deg,#fff 0%,#f8fbff 100%)}
    .footer{
      margin-top:18px;
      padding:26px 0 30px;
      background:#0f172a;
      color:#e2e8f0;
      border-top:1px solid rgba(148,163,184,.2)
    }
    .footer a{color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.15fr .85fr .9fr;gap:18px}
    .footer small{color:#cbd5e1}
    .footer .links{display:flex;flex-wrap:wrap;gap:10px}
    .footer .links a{padding:8px 10px;background:rgba(255,255,255,.08);border-radius:999px}
    .floating{
      position:fixed;right:16px;bottom:18px;z-index:60;display:grid;gap:10px
    }
    .floating a,.floating button{
      width:48px;height:48px;border-radius:16px;border:1px solid rgba(255,255,255,.18);
      background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;display:grid;place-items:center;
      box-shadow:0 16px 30px rgba(15,23,42,.18);cursor:pointer
    }
    .support-float{
      position:fixed;left:16px;bottom:18px;z-index:60;
      width:min(270px, calc(100% - 32px));
      background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden
    }
    .support-head{padding:12px 14px;background:linear-gradient(135deg, rgba(109,40,217,.12), rgba(255,77,125,.12));font-weight:800}
    .support-body{padding:14px;display:grid;gap:12px}
    .support-body img{width:100%;border-radius:14px;border:1px solid var(--line)}
    .support-body .meta{display:grid;gap:6px;color:var(--muted);font-size:.92rem}
    .mobile-only{display:none}
    .reveal{opacity:0;transform:translateY(14px);transition:.55s ease}
    .reveal.visible{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.split,.grid-3,.grid-4,.pricing,.timeline,.case-list,.quotes,.articles,.contact-grid,.footer-grid,.faq-list,.flow{grid-template-columns:1fr}
      .hero{padding-top:18px}
      .nav-toggle{display:inline-flex}
      .nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);padding:12px 16px;box-shadow:0 16px 30px rgba(15,23,42,.08)}
      .nav.open{display:flex;flex-direction:column;align-items:flex-start}
      .nav-wrap{position:relative}
      .mobile-only{display:block}
      .support-float{display:none}
      .hero-metrics{grid-template-columns:1fr 1fr}
      .faq-item.active .faq-a{max-height:300px}
    }
    @media (max-width: 640px){
      .container{width:min(var(--max), calc(100% - 22px))}
      .hero-main,.hero-side,.card,.step,.timeline-item,.case,.quote-card,.article-card,.form-card,.price-card{padding:16px}
      h1{font-size:2rem}
      .hero-metrics{grid-template-columns:1fr}
      .nav a{width:100%}
      .floating{right:12px}
    }