:root{
      --bg:#fffaf8;
      --card:#ffffff;
      --card2:#fff3f4;
      --line:#f0d8dd;
      --text:#2d2330;
      --muted:#6e5b67;
      --brand:#e83b74;
      --brand2:#ff6a9f;
      --brand3:#ffcfda;
      --shadow:0 18px 40px rgba(184, 55, 98, .10);
      --shadow2:0 10px 26px rgba(45, 35, 48, .08);
      --radius:22px;
      --max:1200px;
    }
    *{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;
      background:
        radial-gradient(circle at top left, rgba(232,59,116,.10), transparent 28%),
        radial-gradient(circle at 85% 15%, rgba(255,106,159,.13), transparent 24%),
        linear-gradient(180deg, #fffdfd 0%, #fff7f8 42%, #fffaf8 100%);
      color:var(--text);
      line-height:1.65;
      overflow-x:hidden;
    }
    a{color:var(--brand);text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--max);margin:0 auto;padding:0 20px}
    .skip{position:absolute;left:-9999px;top:auto}
    .skip:focus{left:20px;top:20px;z-index:999;background:#fff;padding:10px 14px;border-radius:10px;box-shadow:var(--shadow)}
    header{
      position:sticky;top:0;z-index:80;
      backdrop-filter:blur(12px);
      background:rgba(255,250,248,.86);
      border-bottom:1px solid rgba(240,216,221,.72);
    }
    .nav{
      min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .ai-page-logo{width:40px;height:40px;object-fit:contain}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:1rem;letter-spacing:.5px}
    .brand-text span{display:block;font-size:.82rem;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{color:var(--text);font-size:.95rem;padding:8px 10px;border-radius:999px;transition:.25s ease}
    .nav-links a:hover,.nav-links a:focus{background:var(--brand3);color:#9e1040}
    .nav-actions{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;transition:.25s ease;cursor:pointer;white-space:nowrap
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 26px rgba(232,59,116,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(232,59,116,.26)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{border-color:#f0b0c1;transform:translateY(-1px)}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--text)}
    .hero{padding:34px 0 14px}
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch
    }
    .hero-main,.hero-side,.card,.panel,.form-card,.faq-item,.review,.case,.article,.compare,.timeline li,.price-box{
      background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(255,248,250,.98));
      border:1px solid rgba(240,216,221,.88);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-main{padding:30px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{
      content:"";position:absolute;border-radius:999px;pointer-events:none
    }
    .hero-main:before{width:220px;height:220px;background:rgba(232,59,116,.08);right:-60px;top:-80px}
    .hero-main:after{width:140px;height:140px;background:rgba(255,106,159,.12);right:110px;bottom:-40px}
    .kicker{display:inline-flex;align-items:center;gap:8px;font-size:.88rem;color:#9e1040;background:rgba(255,207,218,.46);border:1px solid #f4c2d0;padding:7px 12px;border-radius:999px}
    h1{font-size:clamp(2.1rem,5vw,3.6rem);line-height:1.08;margin:16px 0 14px;letter-spacing:-.6px}
    .lead{font-size:1.05rem;color:var(--muted);max-width:60ch;margin:0 0 18px}
    .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0 22px}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px}
    .badge{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--muted);font-size:.92rem}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:24px}
    .stat{padding:16px 14px;border-radius:18px;background:linear-gradient(180deg,#fff,#fff7f9);border:1px solid rgba(240,216,221,.9)}
    .stat strong{display:block;font-size:1.25rem;color:#b8144d}
    .stat span{display:block;font-size:.88rem;color:var(--muted)}
    .hero-side{padding:18px;display:grid;gap:12px}
    .side-box{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff8fa,#fff);border:1px solid rgba(240,216,221,.9)}
    .side-box h2{margin:0 0 10px;font-size:1.08rem}
    .mini-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
    .mini-list li{display:flex;gap:10px;color:var(--muted)}
    .dot{width:10px;height:10px;border-radius:50%;margin-top:8px;background:linear-gradient(135deg,var(--brand),var(--brand2));flex:0 0 auto}
    section{padding:26px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}
    .section-head h2{font-size:1.55rem;margin:0}
    .section-head p{margin:0;color:var(--muted);max-width:68ch}
    .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{padding:20px}
    .card h3{margin:0 0 10px;font-size:1.08rem}
    .card p,.card li{color:var(--muted)}
    .card ul{margin:0;padding-left:18px}
    .service-tag{display:inline-flex;margin-bottom:12px;padding:6px 10px;border-radius:999px;background:var(--card2);color:#9e1040;font-size:.84rem;border:1px solid #f4d0da}
    .flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
    .step{padding:18px;border-radius:20px;background:#fff;border:1px solid var(--line);position:relative}
    .step b{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;margin-bottom:12px}
    .step h3{margin:0 0 8px;font-size:1rem}
    .step p{margin:0;color:var(--muted);font-size:.95rem}
    .table-wrap{overflow-x:auto;border-radius:20px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow2)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:14px 14px;border-bottom:1px solid #f4e4e8;text-align:left;vertical-align:top}
    th{background:#fff4f7;color:#8b2048;font-size:.95rem}
    td{color:var(--muted);background:#fff}
    .highlight{color:#b8144d;font-weight:700}
    .compare-score{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .score-box{padding:20px;border-radius:20px;background:linear-gradient(135deg,#fff,#fff4f6);border:1px solid var(--line)}
    .stars{color:#ff9d1f;font-size:1.2rem;letter-spacing:2px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#5f4e59}
    .timeline{list-style:none;padding:0;margin:0;display:grid;gap:12px}
    .timeline li{padding:16px 18px;display:flex;gap:14px;align-items:flex-start}
    .timeline time{flex:0 0 auto;color:#b8144d;font-weight:700}
    .timeline p{margin:0;color:var(--muted)}
    .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .case .thumb{aspect-ratio:16/10;border-radius:16px;overflow:hidden;background:#fff1f4;border:1px solid var(--line);margin-bottom:14px;display:flex;align-items:center;justify-content:center}
    .case .thumb img{width:100%;height:100%;object-fit:cover}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article a{display:block}
    .article .meta{font-size:.86rem;color:#9c7484;margin-top:10px}
    .faq-list{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;background:transparent;border:0;color:var(--text);padding:18px 18px;
      display:flex;justify-content:space-between;align-items:center;font-size:1rem;font-weight:700;text-align:left;cursor:pointer
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px;color:var(--muted)}
    .faq-item.open .faq-a{max-height:220px;padding-bottom:18px}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review{padding:18px}
    .review .who{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:10px}
    .review strong{font-size:1rem}
    .review span{color:#b8144d;font-size:.88rem}
    .review p{margin:0;color:var(--muted)}
    .form-card{padding:22px}
    form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .full{grid-column:1/-1}
    label{display:block;font-size:.92rem;font-weight:700;margin:0 0 7px}
    input,select,textarea{
      width:100%;border:1px solid #e8c8d0;background:#fff;border-radius:14px;padding:13px 14px;
      color:var(--text);font:inherit;outline:none;transition:.2s ease
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#ef7aa0;box-shadow:0 0 0 4px rgba(232,59,116,.08)}
    .submit-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
    .note{color:var(--muted);font-size:.9rem}
    .footer{
      padding:24px 0 26px;margin-top:10px;border-top:1px solid rgba(240,216,221,.9);background:#fff8f9;color:var(--text)
    }
    .footer a{color:var(--brand)}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start}
    .footer small,.footer p{color:var(--muted)}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:90;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 24px rgba(232,59,116,.28)
    }
    .kefu{
      position:fixed;left:16px;bottom:16px;z-index:90;
      background:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);
      padding:12px;display:grid;gap:10px;width:160px
    }
    .kefu img{border-radius:16px;border:1px solid #f4d0da;width:100%;height:auto}
    .kefu strong{font-size:.95rem}
    .kefu small{color:var(--muted)}
    .reveal{opacity:0;transform:translateY(14px);transition:.55s ease}
    .reveal.visible{opacity:1;transform:none}
    .hero .reveal{transition-delay:.05s}
    .hero .reveal:nth-child(2){transition-delay:.12s}
    .hero .reveal:nth-child(3){transition-delay:.18s}
    @media (max-width: 1024px){
      .hero-grid,.grid-3,.grid-2,.case-grid,.article-list,.reviews,.footer-grid,.compare-score{grid-template-columns:1fr}
      .flow{grid-template-columns:repeat(2,1fr)}
      .stats{grid-template-columns:repeat(2,1fr)}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .nav.open .nav-links{
        display:flex;position:absolute;left:0;right:0;top:72px;background:rgba(255,250,248,.98);
        padding:14px 20px 18px;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(184,55,98,.08)
      }
      .nav.open{position:relative;flex-wrap:wrap}
      .nav.open .nav-actions{margin-left:auto}
      .nav.open .nav-links{gap:10px}
      .nav.open .nav-links a{background:#fff;border:1px solid var(--line)}
    }
    @media (max-width: 640px){
      .container{padding:0 14px}
      .hero-main{padding:22px}
      .section-head{align-items:flex-start;flex-direction:column}
      .stats,.flow,form{grid-template-columns:1fr}
      .kefu{display:none}
      .hero-cta{flex-direction:column}
      .btn{width:100%}
      .nav-actions .btn-ghost{display:none}
      .nav-links a{padding:10px 12px}
    }