:root{
      --bg:#f6f3ee;
      --panel:#ffffff;
      --panel-2:#fff8f0;
      --text:#1f2937;
      --muted:#5f6b7a;
      --line:#e8dfd4;
      --brand:#e83f6f;
      --brand-2:#6d5efc;
      --accent:#ff8f2b;
      --good:#12806a;
      --shadow:0 18px 40px rgba(54, 39, 23, .08);
      --radius:22px;
      --container:1180px;
    }
    *{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;
      background:
        radial-gradient(circle at top left, rgba(232,63,111,.10), transparent 26%),
        radial-gradient(circle at 82% 12%, rgba(109,94,252,.10), transparent 22%),
        linear-gradient(180deg, #fff 0%, #f8f4ef 20%, var(--bg) 100%);
      color:var(--text);
      line-height:1.65;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .site-header{
      position:sticky; top:0; z-index:60;
      backdrop-filter: blur(16px);
      background:rgba(255,255,255,.78);
      border-bottom:1px solid rgba(232,223,212,.78);
    }
    .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:42px; height:42px; object-fit:contain; border-radius:12px; background:#fff; box-shadow:0 8px 20px rgba(0,0,0,.06)}
    .brand-txt{min-width:0}
    .brand-txt strong{display:block; font-size:1.02rem}
    .brand-txt span{display:block; font-size:.86rem; color:var(--muted)}
    .nav-toggle{display:none; border:1px solid var(--line); background:#fff; color:var(--text); border-radius:14px; padding:10px 12px}
    .nav-links{display:flex; align-items:center; gap:14px; flex-wrap:wrap; justify-content:flex-end}
    .nav-links a{font-size:.93rem; color:var(--muted); padding:8px 10px; border-radius:999px}
    .nav-links a:hover{background:#fff; color:var(--text)}
    .nav-cta{background:linear-gradient(135deg,var(--brand),var(--brand-2)); color:#fff !important; box-shadow:0 12px 24px rgba(232,63,111,.22)}
    .hero{
      padding:34px 0 18px;
    }
    .hero-grid{
      display:grid; grid-template-columns:1.2fr .8fr; gap:20px; align-items:stretch;
    }
    .hero-main,.hero-side,.card,.section-card,.faq-item,.review-card,.article-item,.price-box,.contact-box,.compare-box{
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,251,247,.96));
      border:1px solid rgba(232,223,212,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-main{padding:34px}
    .eyebrow{
      display:inline-flex; align-items:center; gap:8px;
      font-size:.88rem; color:#b12f55; background:rgba(232,63,111,.08);
      border:1px solid rgba(232,63,111,.16);
      padding:8px 12px; border-radius:999px;
    }
    h1{margin:16px 0 12px; font-size:clamp(2rem,4.4vw,3.9rem); line-height:1.08; letter-spacing:-.03em}
    .hero p{margin:0; color:var(--muted); font-size:1.02rem}
    .hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin-top:22px}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      min-height:48px; padding:0 18px; border-radius:14px; border:1px solid transparent;
      font-weight:700; transition:.22s ease; cursor:pointer;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2)); color:#fff; box-shadow:0 12px 24px rgba(109,94,252,.18)}
    .btn-ghost{background:#fff; color:var(--text); border-color:var(--line)}
    .btn:hover{transform:translateY(-2px); box-shadow:0 12px 22px rgba(31,41,55,.08)}
    .hero-metrics{
      margin-top:24px; display:grid; grid-template-columns:repeat(3,1fr); gap:12px;
    }
    .metric{padding:16px; border-radius:18px; background:#fff; border:1px solid var(--line)}
    .metric strong{display:block; font-size:1.2rem}
    .metric span{font-size:.88rem; color:var(--muted)}
    .hero-side{padding:20px; display:flex; flex-direction:column; gap:14px}
    .side-top{display:flex; align-items:center; justify-content:space-between; gap:10px}
    .tagcloud{display:flex; flex-wrap:wrap; gap:10px}
    .tagcloud span{font-size:.86rem; color:#573c22; background:#fff; border:1px solid var(--line); border-radius:999px; padding:8px 12px}
    .home-link{font-weight:700; color:#0f4c81}
    .section{padding:18px 0}
    .section-card{padding:26px}
    .section-head{display:flex; align-items:end; justify-content:space-between; gap:18px; margin-bottom:18px}
    .section-head h2{margin:0; font-size:clamp(1.4rem,2.4vw,2.2rem)}
    .section-head p{margin:0; color:var(--muted); max-width:66ch}
    .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:14px}
    .card{padding:20px}
    .card h3{margin:8px 0 10px; font-size:1.05rem}
    .card p,.card li{color:var(--muted)}
    .icon{
      width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(232,63,111,.12), rgba(109,94,252,.12)); color:#9a2256; font-weight:800;
    }
    .steps{display:grid; grid-template-columns:repeat(4,1fr); gap:14px}
    .step{padding:20px; background:#fff; border:1px solid var(--line); border-radius:18px}
    .step b{display:inline-flex; width:30px; height:30px; align-items:center; justify-content:center; border-radius:999px; background:var(--brand); color:#fff; margin-bottom:12px}
    .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; text-align:left; border-bottom:1px solid #efe7de; vertical-align:top}
    th{background:#fff7f2; color:#6a3544}
    .rating{font-weight:800; color:#8a1f49}
    .notice{color:var(--good); font-weight:700}
    .compare-box{padding:22px}
    .compare-grid{display:grid; grid-template-columns:1fr 1fr; gap:14px}
    .price-box,.contact-box{padding:22px}
    .price-list{display:grid; gap:12px}
    .price-item{display:flex; justify-content:space-between; gap:12px; padding:14px 0; border-bottom:1px dashed #ecdccd}
    .price-item:last-child{border-bottom:0}
    .faq{display:grid; gap:12px}
    .faq-item{padding:0; overflow:hidden}
    .faq-q{width:100%; background:transparent; border:0; padding:18px 20px; text-align:left; color:var(--text); font-size:1rem; font-weight:700; display:flex; justify-content:space-between; gap:12px; cursor:pointer}
    .faq-a{padding:0 20px 18px; color:var(--muted); display:none}
    .faq-item.open .faq-a{display:block}
    .review-card{padding:18px}
    .review-meta{display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:10px}
    .stars{color:#f39c12; letter-spacing:1px}
    .articles{display:grid; gap:10px}
    .article-item{padding:16px 18px; display:flex; justify-content:space-between; gap:14px; align-items:center}
    .article-item span{color:var(--muted)}
    .form{
      display:grid; grid-template-columns:repeat(2,1fr); gap:12px
    }
    .field{display:flex; flex-direction:column; gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:.92rem; color:#404a57; font-weight:600}
    input,select,textarea{
      width:100%; border:1px solid var(--line); border-radius:14px; background:#fff; color:var(--text);
      padding:13px 14px; font:inherit; outline:none; transition:.2s ease;
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(232,63,111,.6); box-shadow:0 0 0 4px rgba(232,63,111,.1)}
    textarea{min-height:120px; resize:vertical}
    .footer{
      margin-top:18px; padding:24px 0 30px; border-top:1px solid rgba(232,223,212,.85); background:rgba(255,255,255,.45)
    }
    .footer-grid{display:grid; grid-template-columns:1.2fr .8fr; gap:18px}
    .footer a{color:#0f4c81}
    .footer small,.footer p{color:var(--muted)}
    .float-tools{
      position:fixed; right:16px; bottom:16px; z-index:80; display:flex; flex-direction:column; gap:10px
    }
    .tool{
      width:52px;height:52px;border-radius:16px; display:grid;place-items:center; background:linear-gradient(135deg,var(--brand),var(--brand-2)); color:#fff; box-shadow:0 14px 28px rgba(109,94,252,.22)
    }
    .backtop{opacity:0; transform:translateY(8px); pointer-events:none; transition:.2s ease}
    .backtop.show{opacity:1; transform:none; pointer-events:auto}
    .floating-kefu{
      position:fixed; left:16px; bottom:16px; z-index:80; width:min(280px, calc(100vw - 32px));
      background:#fff; border:1px solid var(--line); border-radius:20px; box-shadow:var(--shadow); overflow:hidden
    }
    .floating-kefu .head{padding:12px 14px; background:linear-gradient(135deg, rgba(232,63,111,.10), rgba(109,94,252,.10)); font-weight:800}
    .floating-kefu .body{display:grid; grid-template-columns:96px 1fr; gap:12px; padding:14px}
    .floating-kefu .body img{width:96px; height:96px; object-fit:cover; border-radius:14px; border:1px solid var(--line)}
    .chips{display:flex; flex-wrap:wrap; gap:10px}
    .chips span{padding:8px 12px; background:#fff; border:1px solid var(--line); border-radius:999px; color:#5b4050; font-size:.88rem}
    .scroll-reveal{opacity:0; transform:translateY(18px); transition:.55s ease}
    .scroll-reveal.show{opacity:1; transform:none}
    .muted{color:var(--muted)}
    .timeline{display:grid; gap:12px}
    .time-item{display:grid; grid-template-columns:110px 1fr; gap:14px; padding:16px 18px; background:#fff; border:1px solid var(--line); border-radius:18px}
    .time-item strong{color:#9a2256}
    .mini-list{display:grid; gap:10px}
    .mini-list div{display:flex; gap:10px; align-items:flex-start}
    .mini-list i{font-style:normal; color:var(--brand); font-weight:800}
    .anchor-row{display:flex; flex-wrap:wrap; gap:10px; margin-top:16px}
    .anchor-row a{padding:8px 12px; border-radius:999px; background:#fff; border:1px solid var(--line); color:var(--muted)}
    .anchor-row a:hover{color:var(--text)}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.steps,.compare-grid,.footer-grid{grid-template-columns:1fr}
      .hero-metrics{grid-template-columns:1fr}
      .section-head{flex-direction:column; align-items:flex-start}
      .floating-kefu{display:none}
    }
    @media (max-width: 768px){
      .nav-toggle{display:inline-flex}
      .nav-links{
        display:none; width:100%; padding:10px 0 2px; justify-content:flex-start
      }
      .nav-links.open{display:flex}
      .nav{flex-wrap:wrap}
      .hero-main{padding:24px}
      .section-card,.compare-box,.price-box,.contact-box{padding:20px}
      .form{grid-template-columns:1fr}
      .article-item{flex-direction:column; align-items:flex-start}
      .time-item{grid-template-columns:1fr}
    }