:root{
      --bg:#f4f7fb;
      --panel:#ffffff;
      --panel-2:#f9fbff;
      --text:#132238;
      --muted:#5f6b7a;
      --line:#d9e2ef;
      --brand:#2157ff;
      --brand-2:#ff4d6d;
      --accent:#ffb703;
      --accent-2:#00b8a9;
      --shadow:0 18px 45px rgba(17, 35, 70, .08);
      --radius:22px;
      --radius-sm:14px;
      --max:1200px;
    }
    *{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(33,87,255,.12), transparent 34%),
        radial-gradient(circle at top right, rgba(255,77,109,.10), transparent 30%),
        linear-gradient(180deg,#f8fbff 0%, #f3f7fd 55%, #eef3fb 100%);
    }
    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:40;
      backdrop-filter:saturate(160%) blur(16px);
      background:rgba(248,251,255,.88);
      border-bottom:1px solid rgba(217,226,239,.8);
    }
    .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}
    .ai-page-logo{width:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;padding:6px;box-shadow:0 10px 24px rgba(17,35,70,.08)}
    .brand strong{display:block;font-size:16px;line-height:1.15}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:12px;padding:10px 12px;font-weight:700}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#31415a;padding:8px 0;position:relative}
    .nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:.25s}
    .nav-links a:hover::after{width:100%}
    .hero{padding:34px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.card,.faq-item,.review,.case,.article,.price-box,.flow-step,.info-panel,.form-wrap,.compare,.section-head,.quote{
      background:rgba(255,255,255,.82);border:1px solid rgba(217,226,239,.92);box-shadow:var(--shadow);border-radius:var(--radius)
    }
    .hero-main{padding:30px;overflow:hidden;position:relative}
    .hero-main::before,.hero-main::after{
      content:"";position:absolute;border-radius:50%;filter:blur(10px);pointer-events:none
    }
    .hero-main::before{width:240px;height:240px;background:rgba(33,87,255,.10);right:-70px;top:-60px}
    .hero-main::after{width:180px;height:180px;background:rgba(255,77,109,.10);right:110px;bottom:-60px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:linear-gradient(90deg,rgba(33,87,255,.10),rgba(255,77,109,.10));color:#243452;font-size:13px;font-weight:700}
    h1{margin:16px 0 12px;font-size:clamp(30px,4.2vw,52px);line-height:1.08;letter-spacing:-.02em}
    .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:22px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:13px 18px;font-weight:800;border:1px solid transparent;transition:.25s;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#3f8cff);color:#fff;box-shadow:0 14px 28px rgba(33,87,255,.24)}
    .btn-secondary{background:#fff;color:var(--text);border-color:var(--line)}
    .btn:hover{transform:translateY(-2px)}
    .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
    .tag{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#34445c}
    .hero-side{padding:20px;display:grid;gap:14px;align-content:start}
    .mini-stat{padding:16px;border-radius:18px;background:linear-gradient(180deg,#f9fbff,#fff);border:1px solid var(--line)}
    .mini-stat b{display:block;font-size:22px}
    .mini-stat span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
    .section{padding:16px 0 10px}
    .section-head{padding:20px 22px;margin-bottom:16px;display:flex;align-items:end;justify-content:space-between;gap:16px}
    .section-head h2{margin:0;font-size:26px}
    .section-head p{margin:0;color:var(--muted);max-width:62ch;line-height:1.7}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .card,.case,.article,.review,.faq-item,.price-box,.flow-step,.info-panel,.form-wrap,.compare{padding:20px}
    .card h3,.case h3,.article h3,.review h3,.price-box h3,.flow-step h3,.info-panel h3{margin:0 0 10px;font-size:18px}
    .card p,.case p,.article p,.review p,.flow-step p,.info-panel p{margin:0;color:var(--muted);line-height:1.75}
    .metric{display:flex;align-items:flex-end;justify-content:space-between;gap:14px}
    .metric strong{font-size:30px;line-height:1}
    .metric small{color:var(--muted)}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;background:rgba(33,87,255,.10);color:#24448c;font-size:12px;font-weight:700}
    .service-list,.bullets{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:10px}
    .service-list li,.bullets li{display:flex;gap:10px;align-items:flex-start;color:#334155;line-height:1.65}
    .dot{width:9px;height:9px;border-radius:50%;margin-top:8px;background:linear-gradient(135deg,var(--brand),var(--brand-2));flex:none}
    .timeline{display:grid;gap:14px}
    .step-line{display:flex;gap:14px;align-items:flex-start}
    .step-no{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;font-weight:800;flex:none}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid #edf1f7;text-align:left;vertical-align:top}
    th{background:#f7faff;font-size:14px}
    td{color:#334155}
    .rating{font-size:18px;font-weight:900;color:#143a8a}
    .reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
    .stars{color:#ff9f1c;font-weight:900;letter-spacing:1px}
    .persona{font-size:13px;color:#5e6b7d}
    .media-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .article-list{display:grid;gap:12px;margin-top:8px}
    .article-link{display:flex;justify-content:space-between;gap:12px;padding:14px 16px;border-radius:16px;background:#fff;border:1px solid var(--line);transition:.25s}
    .article-link:hover{transform:translateY(-2px);border-color:#b9c9ef;box-shadow:0 12px 24px rgba(17,35,70,.08)}
    .article-link span{color:var(--muted);font-size:13px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;border:0;background:transparent;padding:18px 20px;font-size:16px;font-weight:800;color:var(--text);text-align:left;cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 20px}
    .faq-a p{margin:0 0 18px;color:var(--muted);line-height:1.75}
    .faq-item.active .faq-a{max-height:220px}
    .faq-item.active .chev{transform:rotate(180deg)}
    .chev{transition:.25s}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    label{display:block;font-size:13px;font-weight:700;color:#334155;margin-bottom:8px}
    input,select,textarea{
      width:100%;border:1px solid var(--line);background:#fff;color:var(--text);
      border-radius:14px;padding:13px 14px;font:inherit;outline:none;transition:.2s
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#8fb1ff;box-shadow:0 0 0 4px rgba(33,87,255,.10)}
    .full{grid-column:1/-1}
    .submit-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:14px}
    .note{font-size:13px;color:var(--muted);line-height:1.6}
    .footer{
      margin-top:22px;padding:28px 0 30px;background:#eef4ff;border-top:1px solid #dbe4f2;color:#1d2c44
    }
    .footer a{color:#173d95}
    .footer-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
    .foot-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
    .foot-links a{padding:8px 10px;background:#fff;border:1px solid var(--line);border-radius:999px}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:50;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;border:0;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand),#4f8dff);color:#fff;box-shadow:0 18px 32px rgba(33,87,255,.26);cursor:pointer
    }
    .float-panel{
      position:fixed;right:16px;bottom:80px;z-index:50;width:min(320px,calc(100vw - 32px));
      background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;padding:16px;display:none
    }
    .float-panel.show{display:block}
    .float-panel h3{margin:0 0 8px}
    .qr{display:grid;grid-template-columns:82px 1fr;gap:14px;align-items:center}
    .ai-page-image{border-radius:18px;border:1px solid var(--line)}
    .top-callout{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
    .home-link{display:inline-flex;align-items:center;padding:10px 14px;border-radius:14px;background:linear-gradient(135deg,#fef3c7,#fff7e6);border:1px solid #ffe39d;font-weight:800}
    .section-anchor{scroll-margin-top:92px}
    .flow-step{position:relative;overflow:hidden}
    .flow-step::after{content:"";position:absolute;inset:auto -30px -30px auto;width:120px;height:120px;border-radius:50%;background:rgba(33,87,255,.08)}
    .compare .rating-box{display:flex;gap:18px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
    .pill{padding:6px 10px;border-radius:999px;background:rgba(0,184,169,.12);color:#0f5f5a;font-size:12px;font-weight:800}
    .company-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
    .company-bar span{padding:8px 10px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px}
    .scroll-top{position:fixed;left:16px;bottom:16px;z-index:50;opacity:0;pointer-events:none;transform:translateY(10px);transition:.25s}
    .scroll-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
    .scroll-top button{border:0;border-radius:999px;padding:12px 14px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);font-weight:800;color:var(--text)}
    [data-reveal]{opacity:0;transform:translateY(18px);transition:.6s ease}
    [data-reveal].in{opacity:1;transform:none}
    .note-strip{padding:14px 16px;border-radius:18px;background:linear-gradient(90deg,rgba(33,87,255,.08),rgba(255,77,109,.08));border:1px solid rgba(33,87,255,.12);color:#274066;line-height:1.7}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.reviews-grid,.media-row,.footer-grid{grid-template-columns:1fr}
      .nav-toggle{display:inline-flex}
      .nav-links{display:none;width:100%;padding:10px 0 4px}
      .nav.open .nav-links{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
      .nav{flex-wrap:wrap}
      .section-head{align-items:flex-start;flex-direction:column}
      .form-grid{grid-template-columns:1fr}
      .hero-main{padding:24px}
    }