:root{
      --bg:#f6f1e8;
      --bg2:#fffaf2;
      --card:#ffffff;
      --text:#1f2430;
      --muted:#596070;
      --line:#e7dccb;
      --accent:#ef7d32;
      --accent2:#5d6bff;
      --accent3:#17a2a6;
      --shadow:0 14px 40px rgba(52,40,24,.09);
      --radius:22px;
      --radius2:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:
      radial-gradient(circle at top left, rgba(239,125,50,.12), transparent 30%),
      radial-gradient(circle at top right, rgba(93,107,255,.10), transparent 28%),
      linear-gradient(180deg, #fffdf9 0%, var(--bg) 100%);
      color:var(--text);line-height:1.65}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(var(--container), calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:50;background:rgba(255,250,242,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(231,220,203,.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}
    .brand .ai-page-logo{width:46px;height:46px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:5px}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:18px;letter-spacing:.5px}
    .brand-text span{display:block;font-size:12px;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#314055;padding:8px 10px;border-radius:999px;transition:.25s}
    .nav-links a:hover{background:rgba(239,125,50,.10);color:#a84f14}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;transition:.25s;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--accent),#ff9b57);color:#fff;box-shadow:0 10px 24px rgba(239,125,50,.25)}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--text)}
    .btn:hover{transform:translateY(-2px)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    main{padding:24px 0 0}
    section{padding:22px 0}
    .hero{padding-top:8px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
    .hero-copy,.hero-panel,.card,.panel{background:linear-gradient(180deg, rgba(255,255,255,.92), #fff);border:1px solid rgba(231,220,203,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-copy{padding:34px;position:relative;overflow:hidden}
    .hero-copy:before,.hero-panel:before{content:"";position:absolute;inset:auto -40px -40px auto;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle, rgba(239,125,50,.17), transparent 70%)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:rgba(93,107,255,.10);color:#3f4cbf;font-size:13px;font-weight:700}
    h1{margin:16px 0 12px;font-size:clamp(30px,4vw,48px);line-height:1.08;letter-spacing:-.6px}
    .hero-copy p{margin:0;color:var(--muted);font-size:16px;max-width:64ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .chip{padding:8px 12px;border-radius:999px;background:#f8f4ec;border:1px solid #eadfcd;color:#455064;font-size:13px}
    .hero-panel{padding:22px;display:grid;gap:14px;position:relative;overflow:hidden}
    .metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .metric{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff7ef,#ffffff);border:1px solid #f0e2cf}
    .metric strong{display:block;font-size:24px;color:#1f2937}
    .metric span{font-size:13px;color:var(--muted)}
    .side-box{padding:16px;border-radius:18px;background:linear-gradient(135deg, rgba(239,125,50,.10), rgba(93,107,255,.08));border:1px solid rgba(93,107,255,.12)}
    .section-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-title h2{margin:0;font-size:clamp(24px,3vw,34px)}
    .section-title p{margin:0;color:var(--muted);max-width:62ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
    .card{padding:20px}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li,.panel p{margin:0;color:var(--muted)}
    .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg, rgba(239,125,50,.18), rgba(93,107,255,.14));margin-bottom:14px;font-size:20px}
    .workflow,.timeline,.links-cloud,.price-box,.faq,.reviews,.articles,.case-wrap,.contact-wrap,.compare-wrap{background:transparent}
    .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{padding:18px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
    .step b{display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;border-radius:10px;background:#f4ebe0;color:#a35216;margin-bottom:10px}
    .table-wrap{overflow:auto;border-radius:20px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px 14px;border-bottom:1px solid #f0e6d7;text-align:left;vertical-align:top}
    th{background:#fbf7f0;color:#223}
    tr:last-child td{border-bottom:none}
    .score{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;background:#fff7eb;border:1px solid #f0d5b9;border-radius:999px;color:#ad5d1a;font-weight:700}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span,.tag-cloud a{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#3a4658;font-size:13px}
    .price-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .price-list{display:grid;gap:12px}
    .price-item{padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line);display:flex;justify-content:space-between;gap:16px}
    .price-item strong{display:block}
    .faq-item{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden}
    .faq-q{width:100%;text-align:left;padding:18px 20px;border:0;background:transparent;color:var(--text);font-size:16px;font-weight:700;display:flex;justify-content:space-between;gap:16px;cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 20px}
    .faq-item.active .faq-a{padding:0 20px 18px;max-height:220px}
    .faq-item.active .faq-q{color:#a84f14}
    .reviews-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .review{padding:20px;border-radius:20px;background:#fff;border:1px solid var(--line)}
    .review .role{color:#a35216;font-weight:700;font-size:13px;margin-bottom:8px}
    .review .stars{color:#ff9b2f;letter-spacing:2px;margin-bottom:10px}
    .article-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .article{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .article a{color:#1e2b49;font-weight:700}
    .article p{margin-top:8px}
    .contact-wrap{display:grid;grid-template-columns:1fr .8fr;gap:18px}
    form{display:grid;gap:12px}
    .field{display:grid;gap:7px}
    label{font-size:14px;font-weight:700;color:#2d3748}
    input,select,textarea{width:100%;border:1px solid #dbcdb8;border-radius:14px;padding:12px 14px;font:inherit;background:#fff;color:var(--text);outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#ef7d32;box-shadow:0 0 0 3px rgba(239,125,50,.12)}
    .footer-top{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;padding-bottom:20px}
    footer{margin-top:18px;background:#1f2430;color:#eef2f7}
    footer .container{padding:28px 0}
    footer a{color:#fff}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:7px 11px;border-radius:999px;background:rgba(255,255,255,.08)}
    .footer-bottom{margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:#cfd6e4;font-size:14px}
    .float-bar{position:fixed;right:16px;bottom:16px;z-index:80;display:grid;gap:10px}
    .float-bar a,.float-bar button{width:52px;height:52px;border-radius:16px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);display:grid;place-items:center;cursor:pointer}
    .mobile-only{display:none}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    .divider{height:1px;background:linear-gradient(90deg, transparent, rgba(231,220,203,.95), transparent);margin:10px 0}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-4,.steps,.price-grid,.contact-wrap,.footer-top,.reviews-grid,.article-list{grid-template-columns:1fr}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:70px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
      .nav-links.open{display:flex;flex-direction:column;align-items:flex-start}
      .menu-btn{display:inline-flex}
      .mobile-only{display:block}
      .nav{position:relative}
      table{min-width:720px}
    }