:root{
      --bg:#f6f2ff;
      --bg2:#ffffff;
      --card:#ffffff;
      --ink:#1d1b2a;
      --muted:#5c5870;
      --line:rgba(92,72,150,.16);
      --purple:#7b3ff2;
      --purple2:#9f6bff;
      --pink:#ff5db1;
      --gold:#f6c15a;
      --shadow:0 18px 50px rgba(75,31,170,.12);
      --radius:22px;
      --radius-sm:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at top left, rgba(127,67,255,.12), transparent 30%),
        radial-gradient(circle at 85% 10%, rgba(255,93,177,.12), transparent 24%),
        linear-gradient(180deg, #fbf8ff 0%, #f6f2ff 38%, #fbfbfd 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--container));margin:0 auto}
    .topbar{
      position:sticky;top:0;z-index:60;
      backdrop-filter:blur(12px);
      background:rgba(251,248,255,.82);
      border-bottom:1px solid rgba(122,80,255,.10);
    }
    .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 .ai-page-logo{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;box-shadow:0 8px 24px rgba(101,61,198,.10)}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:16px;letter-spacing:.5px}
    .brand-text span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#302a46;padding:8px 10px;border-radius:999px;transition:.2s ease}
    .nav-links a:hover{background:rgba(123,63,242,.10);color:var(--purple)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:none;border-radius:999px;padding:12px 18px;font-weight:700;
      cursor:pointer;transition:.22s ease;box-shadow:none;line-height:1;
    }
    .btn-primary{background:linear-gradient(135deg,var(--purple) 0%, var(--pink) 100%);color:#fff;box-shadow:0 12px 30px rgba(123,63,242,.24)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(123,63,242,.28)}
    .btn-ghost{background:#fff;color:var(--purple);border:1px solid rgba(123,63,242,.18)}
    .btn-ghost:hover{transform:translateY(-2px);border-color:rgba(123,63,242,.36)}
    .menu-btn{display:none;background:#fff;border:1px solid rgba(123,63,242,.18);width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;cursor:pointer}
    .menu-btn span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
    .menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
    .menu-btn span::before{top:-6px}.menu-btn span::after{top:6px}
    main{display:block}
    section{padding:72px 0}
    .hero{padding:34px 0 70px;position:relative;overflow:hidden}
    .hero::before,.hero::after{
      content:"";position:absolute;inset:auto;pointer-events:none;border-radius:50%;
      filter:blur(2px);
    }
    .hero::before{width:320px;height:320px;background:radial-gradient(circle, rgba(159,107,255,.26) 0%, rgba(159,107,255,0) 70%);right:-90px;top:-40px}
    .hero::after{width:260px;height:260px;background:radial-gradient(circle, rgba(255,93,177,.18) 0%, rgba(255,93,177,0) 72%);left:-70px;bottom:-80px}
    .hero-grid{display:grid;grid-template-columns:1.16fr .84fr;gap:26px;align-items:stretch}
    .hero-copy,.hero-panel,.card,.soft-panel,.faq-item,.review,.article,.step,.metric,.compare-box,.form-wrap,.timeline,.table-wrap,.tag-cloud,.support-box{
      background:rgba(255,255,255,.85);border:1px solid rgba(122,80,255,.12);box-shadow:var(--shadow);backdrop-filter:blur(10px)
    }
    .hero-copy{border-radius:30px;padding:34px 30px;position:relative;overflow:hidden}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-weight:800;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
    .eyebrow::before{content:"";width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--purple),var(--pink))}
    h1{font-size:clamp(30px,4vw,54px);line-height:1.08;margin:14px 0 14px;letter-spacing:-.03em}
    .lead{font-size:16px;line-height:1.9;color:var(--muted);margin:0 0 20px}
    .hero-cta{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:24px}
    .mini-stat{padding:14px 14px 12px;border-radius:18px;background:linear-gradient(180deg,#fff 0%,#faf7ff 100%);border:1px solid rgba(123,63,242,.12)}
    .mini-stat strong{display:block;font-size:20px;color:var(--ink)}
    .mini-stat span{display:block;font-size:12px;color:var(--muted);margin-top:4px;line-height:1.5}
    .hero-panel{border-radius:30px;padding:24px;display:grid;gap:14px;align-content:start}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px}
    .badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:8px 12px;background:linear-gradient(180deg,#fff 0%,#f5efff 100%);color:#3b295f;border:1px solid rgba(123,63,242,.12);font-size:13px}
    .metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .metric{border-radius:24px;padding:22px;transition:.22s ease}
    .metric:hover,.card:hover,.review:hover,.article:hover,.step:hover,.faq-item:hover,.support-box:hover{transform:translateY(-3px)}
    .metric strong{display:block;font-size:30px;line-height:1;color:var(--purple)}
    .metric span{display:block;margin-top:10px;color:var(--muted);font-size:13px;line-height:1.6}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:22px}
    .section-head h2{margin:0;font-size:clamp(24px,2.8vw,36px);line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:720px;line-height:1.8}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
    .card,.soft-panel,.review,.article,.faq-item,.compare-box,.form-wrap,.support-box,.timeline{border-radius:24px;padding:22px}
    .card h3,.soft-panel h3,.review h3,.article h3,.compare-box h3,.form-wrap h3,.support-box h3{margin:0 0 10px;font-size:18px}
    .card p,.soft-panel p,.review p,.article p,.compare-box p,.support-box p{margin:0;color:var(--muted);line-height:1.8}
    .service-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .service-list .card{display:flex;flex-direction:column;gap:12px}
    .icon{
      width:46px;height:46px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,rgba(123,63,242,.12),rgba(255,93,177,.12));color:var(--purple);font-weight:900
    }
    .chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
    .chips span{padding:8px 11px;border-radius:999px;background:#f6f1ff;border:1px solid rgba(123,63,242,.12);font-size:12px;color:#402c65}
    .showcase{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .media-card{border-radius:24px;overflow:hidden;background:#fff;border:1px solid rgba(122,80,255,.12);box-shadow:var(--shadow)}
    .media-card img{width:100%;height:auto}
    .media-card .cap{padding:16px 18px}
    .timeline{display:grid;gap:14px}
    .timeline-item{display:grid;grid-template-columns:92px 1fr;gap:16px;align-items:start}
    .timeline-item time{display:inline-flex;justify-content:center;padding:8px 12px;border-radius:999px;background:linear-gradient(135deg,rgba(123,63,242,.12),rgba(255,93,177,.10));color:var(--purple);font-weight:700;font-size:13px}
    .timeline-item div{padding-bottom:14px;border-bottom:1px dashed rgba(92,72,150,.18)}
    .timeline-item:last-child div{border-bottom:none;padding-bottom:0}
    .compare-table{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden}
    .table-wrap{padding:0;overflow:auto}
    .compare-table th,.compare-table td{padding:16px 14px;border-bottom:1px solid rgba(92,72,150,.10);text-align:left;vertical-align:top;min-width:150px}
    .compare-table th{background:#f8f4ff;color:#37295b;font-size:14px}
    .compare-table td{background:#fff;color:#2a2740;line-height:1.7}
    .compare-table tr:last-child td{border-bottom:none}
    .tag-cloud{border-radius:24px;padding:22px;display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud a,.tag-cloud span{
      display:inline-flex;align-items:center;padding:10px 14px;border-radius:999px;background:#fff;border:1px solid rgba(123,63,242,.14);
      color:#3a2f5d;font-size:13px
    }
    .faq-list{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:transparent;border:none;padding:18px 20px;cursor:pointer;color:var(--ink);font-size:16px;font-weight:700;text-align:left}
    .faq-q span{color:var(--purple);font-size:22px;line-height:1}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
    .faq-a p{margin:0;padding:0 20px 18px;color:var(--muted);line-height:1.9}
    .faq-item.active .faq-a{max-height:180px}
    .faq-item.active .faq-q{color:var(--purple)}
    .reviews-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .review .meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;color:var(--muted);font-size:13px}
    .stars{color:#f0b428;letter-spacing:2px;font-size:14px}
    .article-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .article .meta-top{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--muted);font-size:13px;margin-bottom:10px}
    .article ul{margin:12px 0 0 18px;color:var(--muted);line-height:1.8;padding:0}
    .form-wrap form{display:grid;gap:14px}
    .field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    label{display:block;font-size:13px;font-weight:700;color:#352c54;margin-bottom:8px}
    input,select,textarea{
      width:100%;border:1px solid rgba(92,72,150,.18);background:#fff;border-radius:14px;padding:13px 14px;
      font:inherit;color:var(--ink);outline:none;transition:border-color .18s ease, box-shadow .18s ease;
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(123,63,242,.5);box-shadow:0 0 0 4px rgba(123,63,242,.10)}
    textarea{min-height:120px;resize:vertical}
    .aside-note{padding:16px;border-radius:18px;background:linear-gradient(180deg,#faf7ff 0%,#fff 100%);border:1px solid rgba(123,63,242,.12);color:var(--muted);line-height:1.8;font-size:14px}
    .contact-panel{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}
    .support-box .qr{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:14px}
    .support-box .qr img{width:132px;border-radius:18px;border:1px solid rgba(123,63,242,.12);background:#fff;padding:8px}
    .footer{
      padding:26px 0 36px;border-top:1px solid rgba(123,63,242,.12);
      color:#342b50;background:rgba(255,255,255,.76)
    }
    .footer-top{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start}
    .footer p,.footer a{color:#4a4167}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 12px;border-radius:999px;background:#f6f1ff;border:1px solid rgba(123,63,242,.12)}
    .footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:18px;padding-top:18px;border-top:1px solid rgba(123,63,242,.10);font-size:13px;color:#675f82}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:70;display:grid;gap:10px
    }
    .floating a,.floating button{
      width:52px;height:52px;border-radius:16px;border:none;cursor:pointer;
      display:inline-flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,var(--purple),var(--pink));color:#fff;
      box-shadow:0 14px 32px rgba(123,63,242,.25)
    }
    .floating .mini{background:#fff;color:var(--purple);border:1px solid rgba(123,63,242,.18)}
    .anchor-gap{scroll-margin-top:92px}
    .fade-up{opacity:0;transform:translateY(16px);transition:.55s ease}
    .fade-up.in{opacity:1;transform:none}
    .mobile-only{display:none}
    .hero-image-strip{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .hero-image-strip .tile{
      border-radius:18px;padding:14px;background:linear-gradient(135deg, rgba(123,63,242,.10), rgba(255,93,177,.10));
      border:1px solid rgba(123,63,242,.12);color:#332a53
    }
    .table-badges{display:flex;flex-wrap:wrap;gap:8px}
    .table-badges span{padding:7px 10px;border-radius:999px;background:#f4edff;border:1px solid rgba(123,63,242,.12);font-size:12px;color:#412f67}
    .compare-box .rating{display:flex;align-items:center;gap:12px;margin:12px 0 14px}
    .score{font-size:42px;font-weight:900;color:var(--purple);line-height:1}
    .score-note{font-size:13px;color:var(--muted);line-height:1.7}
    @media (max-width: 1080px){
      .hero-grid,.metric-grid,.grid-3,.service-list,.reviews-grid,.article-list,.footer-top,.contact-panel,.showcase{grid-template-columns:1fr}
      .field-grid{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .nav-actions .btn-ghost{display:none}
      .mobile-only{display:block}
      .hero-points{grid-template-columns:1fr}
      .section-head{align-items:start;flex-direction:column}
    }
    @media (max-width: 720px){
      section{padding:56px 0}
      .hero{padding-top:18px}
      .hero-copy,.hero-panel,.card,.soft-panel,.review,.article,.faq-item,.compare-box,.form-wrap,.support-box,.timeline{padding:18px;border-radius:22px}
      .container{width:min(100% - 20px, var(--container))}
      h1{font-size:28px}
      .lead{font-size:15px}
      .nav{padding:12px 0}
      .nav.open .nav-links{
        display:flex;position:absolute;left:16px;right:16px;top:72px;background:#fff;border:1px solid rgba(123,63,242,.12);border-radius:18px;padding:14px;flex-direction:column;align-items:flex-start;box-shadow:var(--shadow)
      }
      .nav.open .nav-links a{width:100%}
      .nav.open{position:relative}
      .compare-table th,.compare-table td{font-size:13px;min-width:132px}
      .timeline-item{grid-template-columns:1fr;gap:8px}
      .floating{right:12px;bottom:12px}
      .floating a,.floating button{width:48px;height:48px}
    }