:root{
      --bg:#f6f4fb;
      --bg2:#fff8ff;
      --card:#ffffff;
      --card2:#f7f0ff;
      --text:#1e1630;
      --muted:#6f6783;
      --line:rgba(115,76,161,.16);
      --accent:#d73cff;
      --accent2:#7c4dff;
      --accent3:#ff4db8;
      --glow:0 18px 60px rgba(124,77,255,.18);
      --radius:22px;
      --shadow:0 12px 30px rgba(43,18,77,.08);
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:
      radial-gradient(circle at top left, rgba(215,60,255,.12), transparent 30%),
      radial-gradient(circle at top right, rgba(124,77,255,.12), transparent 28%),
      linear-gradient(180deg,var(--bg2),var(--bg));color:var(--text);line-height:1.6}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(246,244,251,.82);backdrop-filter:blur(16px);border-bottom:1px solid rgba(115,76,161,.12)}
    .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:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;box-shadow:var(--shadow)}
    .brand strong{display:block;font-size:1.02rem;letter-spacing:.5px}
    .brand span{display:block;font-size:.82rem;color:var(--muted)}
    .navlinks{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .navlinks a{font-size:.92rem;color:#38295c;padding:8px 10px;border-radius:999px;transition:.25s}
    .navlinks a:hover,.navlinks a:focus{background:rgba(215,60,255,.09);transform:translateY(-1px)}
    .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:11px 16px;font-weight:700;cursor:pointer;transition:.25s;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 12px 28px rgba(124,77,255,.24)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(124,77,255,.3)}
    .btn-ghost{background:#fff;color:var(--text);border-color:rgba(124,77,255,.18)}
    .menu-toggle{display:none;background:#fff;border:1px solid rgba(124,77,255,.18);width:44px;height:44px;border-radius:14px;align-items:center;justify-content:center;cursor:pointer}
    .menu-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative}
    .menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text)}
    .menu-toggle span::before{top:-6px}.menu-toggle span::after{top:6px}
    header.hero{padding:46px 0 20px;position:relative;overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.glass-card,.faq-item,.review-card,.case-card,.article-card,.price-card,.timeline-item,.contact-card,.form-card,.compare-card{background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:28px;position:relative;overflow:hidden}
    .hero-main::before{content:"";position:absolute;inset:auto -20% -40% auto;width:320px;height:320px;background:radial-gradient(circle, rgba(215,60,255,.23), transparent 65%);pointer-events:none}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:rgba(215,60,255,.1);color:#7b2dcc;font-weight:700;font-size:.86rem}
    h1{margin:16px 0 12px;font-size:clamp(2rem,4vw,3.7rem);line-height:1.08;letter-spacing:-.02em}
    .lead{font-size:1.03rem;color:var(--muted);max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 18px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
    .mini-stat{padding:14px;border-radius:18px;background:linear-gradient(180deg,rgba(255,255,255,.86),rgba(247,240,255,.9));border:1px solid rgba(124,77,255,.12)}
    .mini-stat b{display:block;font-size:1.05rem}
    .mini-stat span{display:block;color:var(--muted);font-size:.88rem}
    .hero-side{padding:22px;display:grid;gap:14px}
    .hero-side .panel{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff,rgba(247,240,255,.86));border:1px solid rgba(124,77,255,.12)}
    .panel h3,.section-title{margin:0 0 10px;font-size:1.35rem}
    .section{padding:18px 0}
    .section-title-wrap{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-sub{color:var(--muted);max-width:70ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .card{padding:20px}
    .card h3{margin:0 0 8px;font-size:1.06rem}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 12px;background:#fff;border:1px solid rgba(124,77,255,.14);border-radius:999px;color:#4d3a76;font-size:.9rem}
    .flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{padding:18px;position:relative}
    .step .num{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-weight:800;margin-bottom:12px}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid rgba(124,77,255,.14);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid rgba(115,76,161,.1);text-align:left;vertical-align:top}
    th{background:rgba(215,60,255,.08);color:#3f2b63;font-size:.95rem}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:rgba(124,77,255,.1);color:#5b33b1;font-size:.82rem;font-weight:700}
    .faq{display:grid;gap:12px}
    .faq-item summary{list-style:none;cursor:pointer;padding:18px 20px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:12px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item p{margin:0;padding:0 20px 18px;color:var(--muted)}
    .review-card{padding:18px}
    .review-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
    .stars{color:#ff8a00;letter-spacing:1px;font-weight:800}
    .muted{color:var(--muted)}
    .cases,.articles,.price-grid,.timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .case-card,.article-card,.price-card,.timeline-item{padding:18px}
    .price-card{background:linear-gradient(180deg,#fff,rgba(247,240,255,.92))}
    .price{font-size:1.8rem;font-weight:900;color:#5c2ac8;margin:8px 0}
    .timeline-item{position:relative}
    .timeline-item::before{content:"";position:absolute;left:18px;top:24px;bottom:18px;width:2px;background:linear-gradient(180deg,var(--accent),transparent)}
    .timeline-item strong{display:block;padding-left:26px}
    .timeline-item p{padding-left:26px;margin:8px 0 0;color:var(--muted)}
    .network{display:flex;flex-wrap:wrap;gap:12px}
    .network a{padding:10px 14px;border-radius:14px;background:#fff;border:1px solid rgba(124,77,255,.14);color:#4d3777}
    .contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:16px}
    .contact-card,.form-card{padding:20px}
    .kefu{display:flex;gap:14px;align-items:flex-start}
    .kefu img{width:140px;border-radius:18px;border:1px solid rgba(124,77,255,.14);background:#fff;padding:8px}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    label{display:block;font-size:.92rem;font-weight:700;margin-bottom:8px;color:#342356}
    input,select,textarea{width:100%;border:1px solid rgba(124,77,255,.18);background:#fff;border-radius:14px;padding:12px 14px;font:inherit;color:var(--text);outline:none;transition:.2s}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(215,60,255,.6);box-shadow:0 0 0 4px rgba(215,60,255,.12)}
    .full{grid-column:1/-1}
    footer{margin-top:18px;padding:24px 0 28px;background:#130d22;color:#f4eefe;border-top:1px solid rgba(255,255,255,.08)}
    footer a{color:#f7c4ff}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .footer-note{color:rgba(244,238,254,.8);font-size:.92rem}
    .floating{position:fixed;right:14px;bottom:14px;z-index:60;display:grid;gap:10px}
    .floating a,.floating button{width:48px;height:48px;border:none;border-radius:16px;display:grid;place-items:center;box-shadow:var(--glow);cursor:pointer}
    .floating .up{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff}
    .floating .chat{background:#fff;color:#522da6;border:1px solid rgba(124,77,255,.18)}
    .scroll-reveal{opacity:0;transform:translateY(18px);transition:.65s ease}
    .scroll-reveal.show{opacity:1;transform:translateY(0)}
    .mobile-panel{display:none}
    .articles ul{margin:0;padding-left:18px}
    .articles li{margin:8px 0;color:var(--muted)}
    .compare-card{padding:20px}
    .rating{font-size:2rem;font-weight:900;color:#6a2ee6}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.flow,.cases,.articles,.price-grid,.timeline,.contact-grid,.footer-grid{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .navlinks,.nav-cta{display:none}
      .menu-toggle{display:inline-flex}
      .mobile-panel{display:none;padding:0 0 14px}
      .mobile-panel.open{display:block}
      .mobile-panel .stack{display:grid;gap:8px;padding:0 0 10px}
      .mobile-panel a{padding:10px 12px;border-radius:12px;background:#fff;border:1px solid rgba(124,77,255,.14)}
      .form-grid{grid-template-columns:1fr}
    }