:root{
      --bg:#f7f8fc;
      --bg2:#eef2ff;
      --card:#ffffff;
      --card2:#fbfcff;
      --text:#172033;
      --muted:#5f6b85;
      --line:#dfe5f3;
      --brand:#5b63ff;
      --brand2:#b14dff;
      --accent:#14b8a6;
      --gold:#ffb84d;
      --shadow:0 18px 50px rgba(43, 52, 96, .10);
      --shadow2:0 10px 28px rgba(89, 99, 255, .12);
      --radius:22px;
      --radius2:16px;
      --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",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(177,77,255,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(91,99,255,.13), transparent 28%),
        linear-gradient(180deg, #fafbff 0%, var(--bg) 34%, #f9fbff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .topbar{
      position:sticky;top:0;z-index:50;
      backdrop-filter: blur(16px);
      background:rgba(247,248,252,.82);
      border-bottom:1px solid rgba(223,229,243,.8);
    }
    .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 .ai-page-logo{width:42px;height:42px;border-radius:12px;object-fit:cover;box-shadow:var(--shadow2);background:#fff}
    .brand h2{margin:0;font-size:18px;line-height:1.2}
    .brand p{margin:3px 0 0;color:var(--muted);font-size:12px}
    .navlinks{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .navlinks a{font-size:14px;color:#2a3550;padding:8px 0;position:relative;white-space:nowrap}
    .navlinks a::after{
      content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:999px;
      background:linear-gradient(90deg,var(--brand),var(--brand2));transition:.25s ease;
    }
    .navlinks a:hover::after,.navlinks a:focus::after{width:100%}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      border:none;cursor:pointer;border-radius:999px;padding:12px 18px;font-weight:700;
      transition:.25s ease;display:inline-flex;align-items:center;justify-content:center;gap:8px;
      box-shadow:0 10px 24px rgba(91,99,255,.14);
    }
    .btn-primary{color:#fff;background:linear-gradient(135deg,var(--brand) 0%, var(--brand2) 100%)}
    .btn-secondary{color:var(--text);background:#fff;border:1px solid var(--line);box-shadow:none}
    .btn:hover{transform:translateY(-2px)}
    .menu-toggle{display:none}
    .hero{
      padding:34px 0 26px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch;
    }
    .hero-main,.hero-side,.panel,.card,.faq-item,.review-card,.article-card,.price-card,.match-card,.timeline-card,.service-card,.case-card,.compare-card,.form-card,.help-card,.stats-card{
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(251,252,255,.96));
      border:1px solid rgba(223,229,243,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main::before,.hero-main::after{
      content:"";position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none;
    }
    .hero-main::before{width:280px;height:280px;background:radial-gradient(circle, rgba(177,77,255,.16), transparent 68%);right:-90px;top:-80px}
    .hero-main::after{width:220px;height:220px;background:radial-gradient(circle, rgba(20,184,166,.14), transparent 68%);left:-80px;bottom:-70px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;background:rgba(91,99,255,.08);color:#4049cf;font-size:13px;font-weight:700;
    }
    h1{margin:14px 0 14px;font-size:clamp(30px, 5vw, 52px);line-height:1.08;letter-spacing:-.03em}
    .lead{margin:0;color:var(--muted);font-size:16px;line-height:1.85;max-width:44em}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .mini-stat{
      padding:14px 14px 16px;border-radius:18px;background:linear-gradient(180deg,#f8faff,#ffffff);border:1px solid var(--line)
    }
    .mini-stat strong{display:block;font-size:18px;margin-bottom:4px}
    .mini-stat span{font-size:13px;color:var(--muted);line-height:1.6}
    .hero-side{padding:22px;display:grid;gap:14px}
    .glass{
      padding:18px;border-radius:20px;background:linear-gradient(135deg, rgba(91,99,255,.12), rgba(177,77,255,.08));
      border:1px solid rgba(91,99,255,.18);
    }
    .glass h3,.panel h2,.section-title h2{margin:0 0 8px;font-size:22px}
    .glass p,.panel p,.section-title p{margin:0;color:var(--muted);line-height:1.8}
    .chip-wrap{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
    .chip{
      padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#31405e
    }
    .section{padding:22px 0}
    .section-title{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:16px}
    .section-title .hint{color:var(--muted);font-size:14px;line-height:1.7;max-width:56ch}
    .stats-grid,.service-grid,.case-grid,.review-grid,.article-grid,.price-grid,.match-grid,.compare-grid,.help-grid,.timeline-grid{
      display:grid;gap:16px
    }
    .stats-grid{grid-template-columns:repeat(4,1fr)}
    .stats-card{padding:22px}
    .stats-card strong{display:block;font-size:30px;line-height:1;margin-bottom:8px}
    .stats-card span{color:var(--muted);font-size:14px;line-height:1.7}
    .service-grid{grid-template-columns:repeat(3,1fr)}
    .service-card{padding:22px;transition:.25s ease}
    .service-card:hover,.case-card:hover,.review-card:hover,.article-card:hover,.price-card:hover,.match-card:hover,.compare-card:hover,.help-card:hover,.timeline-card:hover,.panel:hover,.card:hover{transform:translateY(-4px);box-shadow:0 22px 54px rgba(43,52,96,.14)}
    .icon{
      width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(91,99,255,.14), rgba(177,77,255,.12));
      border:1px solid rgba(91,99,255,.18);font-weight:900;color:#4650df;margin-bottom:14px
    }
    .service-card h3,.case-card h3,.review-card h3,.article-card h3,.price-card h3,.match-card h3,.compare-card h3,.help-card h3,.timeline-card h3{margin:0 0 10px;font-size:18px}
    .service-card p,.case-card p,.review-card p,.article-card p,.price-card p,.match-card p,.compare-card p,.help-card p,.timeline-card p{margin:0;color:var(--muted);line-height:1.8}
    .flow{
      display:grid;grid-template-columns:repeat(4,1fr);gap:14px
    }
    .step{
      padding:20px;border-radius:20px;background:linear-gradient(180deg,#fff,#fbfcff);border:1px solid var(--line);position:relative
    }
    .step b{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;margin-bottom:12px}
    .case-grid{grid-template-columns:repeat(3,1fr)}
    .case-card{padding:18px}
    .media-strip{
      display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px
    }
    .media-strip img{border-radius:16px;border:1px solid var(--line);background:#fff}
    .compare-card{padding:20px}
    .compare-table{
      width:100%;border-collapse:collapse;overflow:hidden;border-radius:18px;border:1px solid var(--line);background:#fff
    }
    .compare-table th,.compare-table td{
      padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;vertical-align:top
    }
    .compare-table th{background:#f5f7ff;color:#253150}
    .compare-table tr:last-child td{border-bottom:none}
    .rating{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:10px 0 14px
    }
    .stars{color:#f5a623;font-size:18px;letter-spacing:2px}
    .badge{
      display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border-radius:999px;background:rgba(20,184,166,.09);color:#0f766e;font-size:13px;font-weight:700
    }
    .price-grid{grid-template-columns:repeat(3,1fr)}
    .price-card{padding:22px}
    .price-card .price{font-size:30px;font-weight:900;margin:8px 0;color:#26304d}
    .match-grid{grid-template-columns:1.2fr .8fr}
    .match-card{padding:22px}
    .timeline-grid{grid-template-columns:repeat(3,1fr)}
    .help-grid{grid-template-columns:1fr 1fr}
    .faq-list{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;text-align:left;border:none;background:none;padding:18px 18px;display:flex;justify-content:space-between;gap:14px;
      font:inherit;color:var(--text);cursor:pointer;align-items:center
    }
    .faq-q strong{font-size:16px;text-align:left}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;border-top:1px solid transparent}
    .faq-a p{margin:0;padding:0 18px 18px;color:var(--muted);line-height:1.8}
    .faq-item.open .faq-a{max-height:220px;border-top-color:var(--line)}
    .faq-item.open .faq-a p{padding-top:14px}
    .reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review-card{padding:20px}
    .article-grid{grid-template-columns:repeat(3,1fr)}
    .article-card{padding:20px}
    .article-card .meta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px}
    .tag{
      padding:6px 10px;border-radius:999px;background:#f1f5ff;border:1px solid #dbe3ff;font-size:12px;color:#42508f
    }
    .form-grid{
      display:grid;grid-template-columns:1fr .95fr;gap:18px;align-items:start
    }
    .form-card{padding:22px}
    form{display:grid;gap:12px}
    label{font-size:14px;font-weight:700;color:#253150}
    input,select,textarea{
      width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#96a2ff;box-shadow:0 0 0 4px rgba(91,99,255,.12)}
    textarea{min-height:126px;resize:vertical}
    .footer{
      margin-top:18px;padding:22px 0 30px;border-top:1px solid rgba(223,229,243,.9);background:rgba(245,247,255,.7)
    }
    .footer-grid{
      display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start
    }
    .footer h3{margin:0 0 10px;font-size:18px}
    .footer p,.footer a,.footer li{color:#34415f;line-height:1.8;font-size:14px}
    .footer-links{display:flex;flex-wrap:wrap;gap:12px}
    .footer-links a{padding:8px 0}
    .copyright{margin-top:16px;padding-top:14px;border-top:1px solid rgba(223,229,243,.9);color:#5f6b85;font-size:13px}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;border:none;cursor:pointer;
      display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;
      box-shadow:0 14px 28px rgba(91,99,255,.25)
    }
    .float-panel{
      width:min(320px, calc(100vw - 32px));padding:14px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);
      display:none
    }
    .float-panel.open{display:block}
    .qr-box{display:flex;gap:12px;align-items:center}
    .qr-box img{width:88px;height:88px;object-fit:cover;border-radius:14px;border:1px solid var(--line)}
    .kvs{display:grid;gap:8px;margin-top:12px}
    .kvs div{display:flex;justify-content:space-between;gap:10px;font-size:14px;color:#334060}
    .scroll-top{position:fixed;right:16px;bottom:80px;z-index:59;opacity:0;pointer-events:none;transform:translateY(8px);transition:.25s ease}
    .scroll-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
    .scroll-top button{width:52px;height:52px;border-radius:16px;border:1px solid var(--line);background:#fff;color:var(--text);box-shadow:var(--shadow)}
    .reveal{opacity:0;transform:translateY(18px);transition:.7s ease}
    .reveal.in{opacity:1;transform:none}
    .table-wrap{overflow:auto;border-radius:18px}
    .service-network{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .network-item{
      padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line);color:#32405d
    }
    .two-col-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}
    .two-col-list li{list-style:none;padding:10px 12px;border-radius:14px;background:#fff;border:1px solid var(--line);color:#31405e}
    .anchor{scroll-margin-top:96px}
    @media (max-width: 980px){
      .hero-grid,.form-grid,.match-grid,.footer-grid{grid-template-columns:1fr}
      .stats-grid,.service-grid,.case-grid,.reviews-grid,.article-grid,.price-grid,.timeline-grid,.service-network,.flow,.help-grid,.hero-points{grid-template-columns:1fr 1fr}
      .navlinks{display:none}
      .menu-toggle{display:inline-flex}
    }
    @media (max-width: 720px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .hero-main{padding:22px}
      .stats-grid,.service-grid,.case-grid,.reviews-grid,.article-grid,.price-grid,.timeline-grid,.service-network,.flow,.help-grid,.hero-points,.two-col-list{grid-template-columns:1fr}
      .section-title{flex-direction:column;align-items:flex-start}
      .nav{min-height:68px}
      .brand h2{font-size:16px}
      .hero{padding-top:20px}
      .floating{right:12px;bottom:12px}
      .scroll-top{right:12px;bottom:76px}
      .mobile-nav{
        display:none;padding:0 0 14px
      }
      .mobile-nav.open{display:block}
      .mobile-nav .panel{
        padding:14px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);display:grid;gap:10px
      }
      .mobile-nav a{padding:10px 12px;border-radius:12px;background:#f7f9ff;border:1px solid #e4e9f7;color:#334060}
    }