:root{
      --bg:#fffaf4;
      --panel:#ffffff;
      --panel-2:#fff5e8;
      --text:#1f2a37;
      --muted:#5f6b7a;
      --line:#eadfce;
      --primary:#ff6b6b;
      --primary-2:#ffb347;
      --accent:#6b7cff;
      --accent-2:#31c7a6;
      --shadow:0 18px 40px rgba(35, 47, 62, .08);
      --shadow-soft:0 10px 24px rgba(35, 47, 62, .06);
      --radius:20px;
      --radius-sm:14px;
      --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(255,179,71,.18), transparent 26%),
      radial-gradient(circle at top right, rgba(107,124,255,.14), transparent 30%),
      linear-gradient(180deg,#fffaf4 0%,#fffdf9 52%,#fff9f0 100%);}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--container));margin:0 auto}
    header{position:sticky;top:0;z-index:50;background:rgba(255,250,244,.88);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid rgba(234,223,206,.7)}
    .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 .logo-wrap{width:44px;height:44px;border-radius:14px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;box-shadow:var(--shadow-soft);overflow:hidden}
    .brand .name{font-weight:800;font-size:18px;line-height:1.1}
    .brand .sub{font-size:12px;color:var(--muted);margin-top:2px}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--text)}
    nav ul{display:flex;align-items:center;gap:18px;list-style:none;margin:0;padding:0;flex-wrap:wrap;justify-content:flex-end}
    nav a{font-size:14px;color:var(--muted)}
    nav a:hover,.ai-page-home-link:hover{color:var(--primary)}
    .hero{padding:34px 0 26px}
    .hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.card,.panel,.faq-item,.review,.timeline li,.price-box,.metric,.cmp-box,.form-card{background:rgba(255,255,255,.88);border:1px solid rgba(234,223,206,.9);box-shadow:var(--shadow-soft)}
    .hero-main{border-radius:28px;padding:28px;position:relative;overflow:hidden}
    .hero-main::before,.hero-main::after{content:"";position:absolute;border-radius:999px;filter:blur(2px);pointer-events:none}
    .hero-main::before{width:220px;height:220px;background:radial-gradient(circle,rgba(255,107,107,.18),transparent 65%);right:-40px;top:-40px}
    .hero-main::after{width:260px;height:260px;background:radial-gradient(circle,rgba(107,124,255,.16),transparent 66%);left:-70px;bottom:-80px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:linear-gradient(90deg,rgba(255,107,107,.12),rgba(255,179,71,.14));color:#b94d31;font-size:13px;font-weight:700}
    h1{margin:14px 0 12px;font-size:clamp(30px,5vw,52px);line-height:1.08;letter-spacing:-.03em}
    .lead{margin:0;color:var(--muted);font-size:16px;line-height:1.9;max-width:58ch}
    .cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:13px 18px;border:1px solid transparent;font-weight:700;transition:.25s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--primary),#ff8f59);color:#fff;box-shadow:0 12px 24px rgba(255,107,107,.24)}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--text)}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .hero-side{border-radius:28px;padding:22px;background:linear-gradient(180deg,rgba(255,255,255,.92),rgba(255,245,232,.86))}
    .hero-side h2{margin:0 0 12px;font-size:20px}
    .mini-list{display:grid;gap:12px}
    .mini-item{padding:14px;border-radius:18px;background:rgba(255,255,255,.8);border:1px solid var(--line)}
    .mini-item strong{display:block;margin-bottom:6px}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}
    .metric{border-radius:18px;padding:16px}
    .metric .num{font-size:28px;font-weight:900;color:#243b6b}
    .metric .cap{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.5}
    section{padding:22px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);max-width:64ch;line-height:1.8}
    .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,.panel,.cmp-box,.form-card,.price-box,.review,.faq-item{border-radius:22px;padding:18px}
    .card h3,.panel h3,.cmp-box h3{margin:0 0 10px;font-size:18px}
    .card p,.panel p,.review p,.price-box p{margin:0;color:var(--muted);line-height:1.8}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#43505e;font-size:13px}
    .workflow{counter-reset:step}
    .step{position:relative;padding-left:54px}
    .step::before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,rgba(255,107,107,.15),rgba(255,179,71,.18));display:grid;place-items:center;font-weight:800;color:#b24c31}
    .table-wrap{overflow:auto;border-radius:22px;border:1px solid var(--line);background:rgba(255,255,255,.85)}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:15px 14px;border-bottom:1px solid #f0e6d8;text-align:left;vertical-align:top;font-size:14px}
    th{background:#fff8ef;color:#2a3340}
    .rating{display:flex;gap:4px;color:#ffb347;font-size:18px;margin:8px 0}
    .review .meta{display:flex;justify-content:space-between;gap:8px;margin-bottom:10px;color:#334155;font-weight:700}
    .timeline{list-style:none;margin:0;padding:0;display:grid;gap:12px}
    .timeline li{border-radius:18px;padding:16px 16px 16px 18px;display:flex;gap:14px;align-items:flex-start}
    .timeline .dot{width:12px;height:12px;border-radius:50%;margin-top:6px;background:linear-gradient(135deg,var(--accent),var(--accent-2));flex:none}
    .faq-list{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{width:100%;padding:18px 18px;display:flex;justify-content:space-between;align-items:center;border:0;background:transparent;font-size:16px;font-weight:700;color:var(--text);cursor:pointer;text-align:left}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;border-top:1px solid transparent}
    .faq-item.open .faq-a{max-height:220px;padding:0 18px 18px;border-top-color:#f2e7d6}
    .faq-item.open .faq-q .plus{transform:rotate(45deg)}
    .plus{transition:transform .25s ease;color:#b24c31;font-size:20px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:grid;gap:8px}
    .field label{font-size:14px;font-weight:700}
    input,select,textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 14px;background:#fff;color:var(--text);font:inherit;outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(107,124,255,.55);box-shadow:0 0 0 4px rgba(107,124,255,.10)}
    .span-2{grid-column:span 2}
    .footer{padding:20px 0 28px;color:var(--text)}
    .footer-inner{border-top:1px solid var(--line);padding-top:18px;display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .footer a{color:#334155}
    .muted{color:var(--muted)}
    .sticky-tools{position:fixed;right:16px;bottom:16px;display:grid;gap:10px;z-index:60}
    .tool{width:48px;height:48px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-soft);display:grid;place-items:center;font-weight:900;color:#374151}
    .float-box{position:fixed;left:16px;bottom:16px;z-index:60;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;padding:12px;width:min(320px,calc(100vw - 32px));display:none}
    .float-box.open{display:block}
    .float-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}
    .float-top strong{font-size:15px}
    .close-x{border:0;background:#f7efe1;border-radius:10px;padding:6px 10px}
    .article-list{display:grid;gap:10px}
    .article-list a{display:flex;justify-content:space-between;gap:10px;padding:14px 16px;border-radius:16px;border:1px solid var(--line);background:#fff;color:var(--text)}
    .article-list a span{color:var(--muted)}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .center{text-align:center}
    .small{font-size:13px}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:rgba(49,199,166,.11);color:#0f766e;font-size:12px;font-weight:800}
    .hero-portrait{display:grid;gap:12px}
    .service-icons{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .icon-card{padding:14px;border-radius:18px;background:#fff;border:1px solid var(--line);text-align:center;font-size:13px;color:#334155}
    .reveal{opacity:0;transform:translateY(14px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.two-col,.footer-inner{grid-template-columns:1fr}
      .metrics{grid-template-columns:repeat(2,1fr)}
      nav{display:none}
      .menu-toggle{display:inline-flex}
      .nav.open nav{display:block;position:absolute;left:16px;right:16px;top:68px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow)}
      .nav.open nav ul{flex-direction:column;align-items:flex-start}
      .form-grid .span-2,.span-2{grid-column:span 1}
    }
    @media (max-width: 640px){
      .container{width:min(100% - 24px, var(--container))}
      .hero-main,.hero-side,.card,.panel,.cmp-box,.form-card,.price-box,.review,.faq-item{border-radius:18px}
      .metrics{grid-template-columns:1fr}
      .service-icons{grid-template-columns:1fr 1fr}
      h1{font-size:34px}
      .section-head{align-items:flex-start;flex-direction:column}
    }