:root{
      --bg:#f6f3fb;
      --bg2:#efe8ff;
      --card:#ffffff;
      --card2:#f8f5ff;
      --text:#1e1530;
      --muted:#635a78;
      --line:rgba(69,42,122,.12);
      --accent:#c83cff;
      --accent2:#ff4db8;
      --accent3:#6b5cff;
      --shadow:0 18px 50px rgba(34, 12, 68, .10);
      --shadow2:0 10px 28px rgba(200,60,255,.16);
      --radius:22px;
      --radius2:16px;
      --container: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(255,77,184,.12), transparent 24%),
        radial-gradient(circle at right 10%, rgba(107,92,255,.12), transparent 26%),
        linear-gradient(180deg, #faf8ff 0%, var(--bg) 38%, #f8f4ff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--container);margin:0 auto;padding:0 20px}
    header{position:sticky;top:0;z-index:60;background:rgba(246,243,251,.78);backdrop-filter:blur(14px);border-bottom:1px solid rgba(69,42,122,.08)}
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:74px}
    .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 18px rgba(0,0,0,.06)}
    .brand strong{display:block;font-size:16px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:3px;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(--text)}
    nav ul{list-style:none;display:flex;align-items:center;gap:16px;padding:0;margin:0;flex-wrap:wrap;justify-content:flex-end}
    nav a{font-size:14px;color:var(--muted);padding:10px 0;position:relative}
    nav a::after{content:"";position:absolute;left:0;bottom:4px;width:100%;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent2));transform:scaleX(0);transform-origin:left;transition:.25s}
    nav a:hover,nav a:focus{color:var(--text)}
    nav a:hover::after,nav a:focus::after{transform:scaleX(1)}
    .hero{padding:56px 0 28px;position:relative;overflow:hidden}
    .hero::before,.hero::after{content:"";position:absolute;border-radius:999px;filter:blur(10px);pointer-events:none}
    .hero::before{width:260px;height:260px;background:rgba(255,77,184,.14);top:-50px;right:-40px}
    .hero::after{width:220px;height:220px;background:rgba(107,92,255,.14);bottom:-60px;left:-30px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .85fr;gap:24px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.panel,.review,.faq-item,.article,.quote,.metric,.comparison,.form-box,.timeline li,.network,.tag-cloud,.price-card,.case-card{background:rgba(255,255,255,.82);border:1px solid rgba(69,42,122,.10);box-shadow:var(--shadow);border-radius:var(--radius)}
    .hero-main{padding:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:linear-gradient(90deg,rgba(200,60,255,.12),rgba(255,77,184,.10));color:#8a1b86;font-size:13px;font-weight:700}
    h1{margin:16px 0 12px;font-size:clamp(30px,4vw,54px);line-height:1.08;letter-spacing:-.03em}
    .lead{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:60ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:14px;padding:13px 18px;font-weight:700;font-size:14px;transition:.25s;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:var(--shadow2)}
    .btn-secondary{background:#fff;color:var(--text);border:1px solid rgba(69,42,122,.14)}
    .btn:hover{transform:translateY(-2px)}
    .mini-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
    .mini-tags span,.tag-cloud a{padding:9px 12px;border-radius:999px;background:rgba(107,92,255,.08);border:1px solid rgba(107,92,255,.12);color:#4c4371;font-size:13px}
    .hero-side{padding:24px;display:grid;gap:14px}
    .metric{padding:18px;background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(247,243,255,.88))}
    .metric strong{display:block;font-size:28px;line-height:1;color:#2a164b}
    .metric span{display:block;margin-top:8px;color:var(--muted);font-size:13px;line-height:1.6}
    section{padding:18px 0 8px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:clamp(24px,2.5vw,34px)}
    .section-head p{margin:0;color:var(--muted);line-height:1.7;max-width:62ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .section-card,.panel,.comparison,.form-box,.case-card,.review,.article,.faq-item,.price-card,.network,.timeline li{padding:22px}
    .service-card h3,.case-card h3,.panel h3,.review h3,.article h3,.price-card h3{margin:0 0 8px;font-size:18px}
    .service-card p,.case-card p,.panel p,.review p,.article p,.price-card p,.network p{margin:0;color:var(--muted);line-height:1.75}
    .service-card{padding:22px;background:linear-gradient(180deg,#fff,rgba(249,245,255,.9));border-radius:20px;border:1px solid rgba(69,42,122,.10);box-shadow:var(--shadow)}
    .icon-badge{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(200,60,255,.16),rgba(255,77,184,.12));margin-bottom:14px;color:#8f1fa9;font-weight:800}
    .split{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}
    .timeline{list-style:none;padding:0;margin:0;display:grid;gap:14px}
    .timeline li{display:flex;gap:14px;align-items:flex-start}
    .step-no{flex:0 0 34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--accent3),var(--accent2));color:#fff;display:grid;place-items:center;font-weight:800}
    .table-wrap{overflow-x:auto;border-radius:20px}
    table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}
    th,td{padding:14px 12px;border-bottom:1px solid rgba(69,42,122,.10);text-align:left;font-size:14px;vertical-align:top}
    th{background:#faf7ff;color:#2a184b}
    tr:hover td{background:#fcfaff}
    .rating{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:10px}
    .stars{color:#f19a26;font-size:18px;letter-spacing:2px}
    .faq details{background:rgba(255,255,255,.88);border:1px solid rgba(69,42,122,.10);border-radius:18px;padding:16px 18px;box-shadow:var(--shadow)}
    .faq summary{cursor:pointer;font-weight:700;list-style:none}
    .faq summary::-webkit-details-marker{display:none}
    .faq p{margin:12px 0 0;color:var(--muted);line-height:1.75}
    .reviews .review{display:grid;gap:10px}
    .avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;display:grid;place-items:center;font-weight:800}
    .review-head{display:flex;align-items:center;gap:12px}
    .review small{color:#8a809b}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .article .meta{display:flex;justify-content:space-between;gap:10px;color:#8b819d;font-size:13px;margin-top:10px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:grid;gap:8px}
    label{font-size:14px;font-weight:700}
    input,select,textarea{width:100%;border:1px solid rgba(69,42,122,.14);background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none}
    textarea{min-height:128px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(200,60,255,.5);box-shadow:0 0 0 4px rgba(200,60,255,.10)}
    .full{grid-column:1 / -1}
    .contact-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:18px}
    .links{display:grid;gap:10px}
    .links a{color:#4c4371}
    .links a:hover{color:#8a1b86}
    footer{margin-top:18px;padding:22px 0 28px;border-top:1px solid rgba(69,42,122,.10);background:rgba(248,244,255,.9);color:#2a184b}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:18px}
    .copyright{margin-top:16px;color:#6b6380;font-size:13px;line-height:1.7}
    .float-tools{position:fixed;right:16px;bottom:16px;z-index:70;display:grid;gap:10px}
    .float-tools a,.float-tools button{width:48px;height:48px;border-radius:16px;border:none;box-shadow:var(--shadow2);display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;cursor:pointer}
    .backtop{background:#fff;color:var(--text);border:1px solid rgba(69,42,122,.14)}
    .fade-in{opacity:0;transform:translateY(18px);transition:.7s ease}
    .fade-in.visible{opacity:1;transform:none}
    .hero-main,.hero-side,.section-card,.panel,.review,.faq-item,.article,.metric,.comparison,.form-box,.timeline li,.network,.tag-cloud,.price-card,.case-card{transition:transform .25s ease, box-shadow .25s ease}
    .hero-main:hover,.hero-side:hover,.section-card:hover,.panel:hover,.review:hover,.article:hover,.price-card:hover,.case-card:hover{transform:translateY(-3px);box-shadow:0 18px 52px rgba(34, 12, 68, .12)}
    .mobile-only{display:none}
    @media (max-width: 1024px){
      .hero-grid,.split,.grid-3,.grid-2,.articles,.contact-grid,.footer-grid{grid-template-columns:1fr}
      .hero{padding-top:36px}
    }
    @media (max-width: 860px){
      nav{position:absolute;left:0;right:0;top:74px;background:rgba(246,243,251,.98);border-bottom:1px solid rgba(69,42,122,.08);display:none}
      nav.open{display:block}
      nav ul{padding:14px 20px;justify-content:flex-start}
      .nav-toggle{display:inline-flex}
      .desktop-only{display:none}
      .mobile-only{display:inline-flex}
      .form-grid{grid-template-columns:1fr}
    }