:root{
      --bg:#f6f1ff;
      --bg2:#eef7ff;
      --card:#ffffff;
      --text:#1f2430;
      --muted:#5f6878;
      --line:rgba(60,72,92,.12);
      --brand:#6f3cff;
      --brand2:#ff4d8d;
      --brand3:#00b3a4;
      --gold:#ffb547;
      --shadow:0 18px 40px rgba(58,42,112,.10);
      --radius:20px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(111,60,255,.10), transparent 30%),
        radial-gradient(circle at top right, rgba(0,179,164,.10), transparent 24%),
        linear-gradient(180deg, var(--bg) 0%, #fff 28%, #f7fbff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--container);margin:0 auto;padding:0 20px}
    .topbar{
      position:sticky;top:0;z-index:50;
      backdrop-filter: blur(16px);
      background:rgba(255,255,255,.76);
      border-bottom:1px solid rgba(60,72,92,.08);
    }
    .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:76px}
    .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 24px rgba(111,60,255,.12)}
    .brand strong{font-size:18px;letter-spacing:.5px}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .navlinks{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:flex-end}
    .navlinks a,.navlinks button,.ghost-btn,.primary-btn,.outline-btn,.mini-btn{
      border:1px solid transparent;border-radius:999px;padding:10px 14px;font-size:14px;transition:.25s ease;cursor:pointer
    }
    .navlinks a{color:var(--text);background:rgba(255,255,255,.7);border-color:rgba(60,72,92,.08)}
    .navlinks a:hover,.navlinks a:focus-visible{transform:translateY(-1px);box-shadow:var(--shadow);border-color:rgba(111,60,255,.22)}
    .nav-toggle{display:none;background:#fff;border:1px solid var(--line);padding:10px 12px;border-radius:12px}
    .hero{padding:34px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.card,.panel,.review,.article,.faq-item,.form-card,.price-card,.compare-card,.timeline-item{background:var(--card);border:1px solid rgba(60,72,92,.10);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:32px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{
      content:"";position:absolute;border-radius:999px;filter:blur(2px);opacity:.85
    }
    .hero-main:before{width:180px;height:180px;background:radial-gradient(circle, rgba(255,77,141,.22), transparent 66%);right:-40px;top:-40px}
    .hero-main:after{width:220px;height:220px;background:radial-gradient(circle, rgba(111,60,255,.18), transparent 65%);left:-70px;bottom:-80px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(90deg, rgba(111,60,255,.12), rgba(255,77,141,.12));color:#5b2ddd;border:1px solid rgba(111,60,255,.12);padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700}
    h1{font-size:clamp(34px,5vw,58px);line-height:1.08;margin:16px 0 14px}
    .lead{font-size:17px;line-height:1.8;color:var(--muted);max-width:760px;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .primary-btn{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 16px 30px rgba(111,60,255,.22)}
    .outline-btn,.ghost-btn{background:#fff;color:var(--text);border-color:rgba(60,72,92,.14)}
    .primary-btn:hover,.outline-btn:hover,.ghost-btn:hover,.mini-btn:hover{transform:translateY(-2px)}
    .hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
    .metric{background:rgba(255,255,255,.82);border:1px solid rgba(60,72,92,.08);border-radius:18px;padding:16px}
    .metric b{display:block;font-size:22px;margin-bottom:8px}
    .metric span{font-size:13px;color:var(--muted);line-height:1.5}
    .hero-side{padding:24px}
    .side-card{background:linear-gradient(180deg,#fff, #fbf8ff);border:1px solid rgba(111,60,255,.10);border-radius:18px;padding:18px}
    .side-card + .side-card{margin-top:14px}
    .side-card h3,.section-title h2{margin:0 0 10px;font-size:24px}
    .side-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .side-list li{display:flex;gap:10px;align-items:flex-start;color:var(--muted);line-height:1.6}
    .dot{width:10px;height:10px;border-radius:50%;margin-top:7px;background:linear-gradient(135deg,var(--brand),var(--brand2))}
    section{padding:18px 0}
    .section-title{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:end;margin-bottom:16px}
    .section-title p{margin:0;color:var(--muted);max-width:760px;line-height:1.7}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .card{padding:20px}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p{margin:0;color:var(--muted);line-height:1.75}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:linear-gradient(180deg,#fff, #f7f6ff);border:1px solid rgba(111,60,255,.12);font-size:13px;color:#493f60}
    .timeline{display:grid;gap:12px}
    .timeline-item{padding:18px 18px 18px 20px}
    .timeline-item b{display:block;margin-bottom:6px}
    .timeline-item span{color:var(--muted);line-height:1.7}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .table-wrap{overflow:auto;border-radius:20px;border:1px solid rgba(60,72,92,.10);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:14px 16px;border-bottom:1px solid rgba(60,72,92,.08);text-align:left;vertical-align:top}
    th{background:linear-gradient(180deg,#fbf8ff,#f6f1ff);font-size:14px}
    td{color:var(--muted);line-height:1.7}
    .rating{font-weight:700;color:#5b2ddd}
    .compare-score{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
    .score-badge{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;padding:14px 16px;border-radius:18px;box-shadow:0 16px 28px rgba(111,60,255,.18)}
    .accordion{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;background:transparent;border:0;padding:18px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:16px;color:var(--text);text-align:left;cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;padding:0 18px;color:var(--muted);line-height:1.75;transition:max-height .28s ease,padding .28s ease}
    .faq-item.active .faq-a{padding:0 18px 18px;max-height:240px}
    .faq-item.active .faq-q .chev{transform:rotate(180deg)}
    .chev{transition:transform .25s ease;color:#7d6aa8}
    .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .review{padding:18px}
    .review .meta{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:10px}
    .stars{color:#f0a400;letter-spacing:1px}
    .review p{margin:0;color:var(--muted);line-height:1.75}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .article{padding:18px}
    .article small{display:inline-block;color:#6a5a92;background:#f4efff;border-radius:999px;padding:6px 10px;margin-bottom:10px}
    .article h3{margin:0 0 8px;font-size:18px}
    .article p{margin:0 0 14px;color:var(--muted);line-height:1.75}
    .form-card{padding:22px}
    form{display:grid;gap:12px}
    .form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    input,select,textarea{
      width:100%;border:1px solid rgba(60,72,92,.14);background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(111,60,255,.45);box-shadow:0 0 0 4px rgba(111,60,255,.08)}
    .footer{
      margin-top:18px;padding:26px 0 36px;border-top:1px solid rgba(60,72,92,.08);background:linear-gradient(180deg,#f8f4ff,#f4f8ff);color:var(--text)
    }
    .footer a{color:#4a34cc}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:18px;align-items:start}
    .footer .mini-btn{display:inline-flex;align-items:center;justify-content:center;margin-top:10px;background:#fff;border-color:rgba(60,72,92,.14)}
    .float-tools{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-tools a,.float-tools button{
      width:52px;height:52px;border-radius:16px;border:1px solid rgba(60,72,92,.12);background:#fff;box-shadow:var(--shadow);display:grid;place-items:center;color:#4a34cc;cursor:pointer
    }
    .service-badges{display:flex;flex-wrap:wrap;gap:10px}
    .badge{padding:10px 12px;border-radius:14px;background:linear-gradient(135deg, rgba(111,60,255,.10), rgba(0,179,164,.10));border:1px solid rgba(111,60,255,.10);font-size:13px}
    .gallery{display:grid;grid-template-columns:1.1fr .9fr;gap:14px}
    .image-stack{display:grid;gap:14px}
    .image-stack img{border-radius:20px;border:1px solid rgba(60,72,92,.10);box-shadow:var(--shadow)}
    .hidden-menu{display:none}
    .reveal{opacity:0;transform:translateY(14px);transition:.55s ease}
    .reveal.show{opacity:1;transform:none}
    .subtle{color:var(--muted)}
    @media (max-width: 1024px){
      .hero-grid,.grid-4,.grid-3,.review-grid,.articles,.footer-grid,.gallery,.two-col{grid-template-columns:1fr}
      .navlinks{display:none}
      .nav-toggle{display:inline-flex}
      .navlinks.open{display:flex;position:absolute;left:20px;right:20px;top:76px;padding:14px;background:#fff;border:1px solid rgba(60,72,92,.10);border-radius:18px;box-shadow:var(--shadow)}
      .form-row{grid-template-columns:1fr}
    }