:root{
      --bg:#fff8fb;
      --panel:#ffffff;
      --panel-2:#fff1f5;
      --line:#f2c6d3;
      --text:#2f2430;
      --muted:#6f5b69;
      --brand:#d91f66;
      --brand-2:#ff6fa6;
      --brand-3:#ffb2cb;
      --shadow:0 18px 50px rgba(217,31,102,.12);
      --shadow-2:0 10px 24px rgba(86,24,49,.08);
      --radius:20px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,111,166,.15), transparent 28%),
        radial-gradient(circle at top right, rgba(217,31,102,.10), transparent 24%),
        linear-gradient(180deg, #fffdfd 0%, var(--bg) 100%);
      line-height:1.7;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--container);margin:0 auto;padding:0 20px}
    header{
      position:sticky;top:0;z-index:30;
      backdrop-filter:saturate(160%) blur(14px);
      background:rgba(255,255,255,.82);
      border-bottom:1px solid rgba(242,198,211,.7);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:76px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:var(--shadow-2)}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .menu-btn{
      display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--text)
    }
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:var(--muted);padding:8px 0;position:relative;white-space:nowrap}
    .nav-links a::after{
      content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:.25s
    }
    .nav-links a:hover{color:var(--text)}
    .nav-links a:hover::after{width:100%}
    .hero{padding:30px 0 10px}
    .hero-grid{
      display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch
    }
    .hero-card,.panel,.feature,.review,.faq-item,.article-card,.price-card,.step,.compare-wrap,.form-card,.network-card,.timeline-card,.qa-card,.about-card,.service-card,.case-card{
      background:linear-gradient(180deg, rgba(255,255,255,.98), rgba(255,248,251,.98));
      border:1px solid rgba(242,198,211,.85);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-card{padding:34px;position:relative;overflow:hidden}
    .hero-card::before,.hero-card::after{
      content:"";position:absolute;border-radius:50%;filter:blur(4px);pointer-events:none
    }
    .hero-card::before{width:180px;height:180px;background:rgba(255,111,166,.18);right:-50px;top:-40px}
    .hero-card::after{width:120px;height:120px;background:rgba(217,31,102,.12);left:-20px;bottom:-30px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff1f6;color:var(--brand);border:1px solid rgba(217,31,102,.16);padding:7px 12px;border-radius:999px;font-size:13px;font-weight:600}
    h1{font-size:clamp(32px,5vw,56px);line-height:1.08;margin:18px 0 14px;letter-spacing:-.02em}
    .lead{font-size:17px;color:var(--muted);max-width:58ch;margin:0 0 22px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border-radius:14px;padding:13px 18px;font-weight:700;border:1px solid transparent;
      transition:.25s ease;cursor:pointer
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),#ff3b7b);color:#fff;box-shadow:0 14px 28px rgba(217,31,102,.24)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(217,31,102,.28)}
    .btn-ghost{background:#fff;color:var(--text);border-color:var(--line)}
    .btn-ghost:hover,.menu-btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-2)}
    .hero-mini{
      display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:26px
    }
    .metric{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#fff6f8);border:1px solid rgba(242,198,211,.8)}
    .metric strong{display:block;font-size:24px;color:var(--brand)}
    .metric span{font-size:13px;color:var(--muted)}
    .hero-side{display:grid;gap:14px}
    .side-card{padding:22px}
    .side-card h2,.section-title h2{margin:0 0 8px;font-size:28px;line-height:1.2}
    .section-title p{margin:0;color:var(--muted)}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:16px}
    .section-head .kicker{color:var(--brand);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.08em}
    .section-title h2{font-size:30px}
    .panel,.about-card,.service-card,.case-card,.price-card,.review,.faq-item,.article-card,.form-card,.network-card,.timeline-card,.qa-card{padding:22px}
    .about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid rgba(242,198,211,.9);font-size:13px;color:#5e4c59}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step strong{display:block;font-size:18px;margin:8px 0}
    .step .num{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:linear-gradient(135deg,#ffe0ea,#fff);color:var(--brand);font-weight:800;border:1px solid rgba(217,31,102,.15)}
    table{width:100%;border-collapse:collapse}
    th,td{padding:14px 12px;border-bottom:1px solid rgba(242,198,211,.75);vertical-align:top;text-align:left}
    th{background:#fff3f7;color:var(--text);font-size:14px}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid rgba(242,198,211,.85)}
    .compare-top{display:grid;grid-template-columns:1fr .9fr;gap:16px;align-items:start}
    .score{display:flex;gap:14px;align-items:center}
    .score .big{font-size:42px;font-weight:800;color:var(--brand)}
    .score .meta{color:var(--muted);font-size:14px}
    .stack{display:grid;gap:12px}
    .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .service-card h3,.case-card h3,.price-card h3,.review h3,.faq-item h3,.article-card h3,.qa-card h3{margin:0 0 10px;font-size:18px}
    .service-card ul,.case-card ul,.price-card ul,.review p,.article-card p,.qa-card p{margin:0;color:var(--muted)}
    .service-card ul{padding-left:18px;display:grid;gap:8px}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    details{border-radius:16px;border:1px solid rgba(242,198,211,.85);background:#fff;overflow:hidden}
    summary{list-style:none;padding:18px 20px;font-weight:700;cursor:pointer}
    summary::-webkit-details-marker{display:none}
    details .faq-body{padding:0 20px 18px;color:var(--muted)}
    .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review .role{display:inline-block;padding:6px 10px;border-radius:999px;background:#fff1f6;color:var(--brand);font-size:12px;font-weight:700;margin-bottom:12px}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article-card .meta{font-size:13px;color:var(--muted);margin-bottom:8px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:8px}
    label{font-size:14px;font-weight:700}
    input,select,textarea{
      width:100%;border:1px solid rgba(242,198,211,.95);border-radius:14px;padding:13px 14px;font:inherit;background:#fff;color:var(--text);outline:none
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(217,31,102,.6);box-shadow:0 0 0 4px rgba(217,31,102,.08)}
    .footer-wrap{padding:26px 0 20px}
    footer{background:#fff;border-top:1px solid rgba(242,198,211,.8);color:var(--text)}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 10px;border-radius:10px;background:#fff4f8;border:1px solid rgba(242,198,211,.85);color:var(--text)}
    .copy{margin-top:12px;font-size:13px;color:var(--muted)}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:40;display:grid;gap:10px
    }
    .float-btn{
      width:48px;height:48px;border-radius:16px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand),#ff4d88);color:#fff;box-shadow:0 14px 26px rgba(217,31,102,.28);border:none;cursor:pointer
    }
    .kefu-card{
      position:fixed;right:16px;bottom:76px;z-index:40;width:min(280px,calc(100vw - 32px));
      background:#fff;border:1px solid rgba(242,198,211,.95);border-radius:20px;box-shadow:var(--shadow);padding:14px;display:none
    }
    .kefu-card.open{display:block;animation:pop .2s ease-out}
    .kefu-card img{border-radius:14px;width:100%;aspect-ratio:1/1;object-fit:cover;background:#fff}
    .kefu-card p{margin:10px 0 0;color:var(--muted);font-size:13px}
    .scroll-in{opacity:0;transform:translateY(16px);transition:.6s ease}
    .scroll-in.in{opacity:1;transform:none}
    .nav-mobile{
      display:none;position:absolute;left:0;right:0;top:76px;background:rgba(255,255,255,.98);border-bottom:1px solid rgba(242,198,211,.8);box-shadow:0 10px 24px rgba(0,0,0,.04)
    }
    .nav-mobile .nav-links{padding:14px 20px;justify-content:flex-start}
    @keyframes pop{from{transform:scale(.96);opacity:.3}to{transform:scale(1);opacity:1}}
    @media (max-width: 1024px){
      .hero-grid,.compare-top,.about-wrap,.two-col,.grid-4,.steps,.service-grid,.review-grid,.article-list,.footer-grid{grid-template-columns:1fr}
      .grid-3{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width: 760px){
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .nav-mobile.show{display:block}
      .hero-card{padding:24px}
      .hero-mini,.form-grid,.grid-3{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      h1{font-size:clamp(30px,9vw,44px)}
      .panel,.about-card,.service-card,.case-card,.price-card,.review,.faq-item,.article-card,.form-card,.network-card,.timeline-card,.qa-card{padding:18px}
    }