*{margin:0;padding:0;box-sizing:border-box}
  :root{
    --pink:#e8145a;
    --pink-deep:#b80e46;
    --pink-soft:#ffe4ee;
    --pink-mist:#fff2f7;
    --ink:#241820;
    --ink-2:#4a3640;
    --ink-3:#7d6b75;
    --line:#f3d3e0;
    --bg:#fff8fb;
    --white:#ffffff;
    --radius:18px;
    --shadow:0 10px 34px rgba(197,20,88,.09);
    --shadow-hover:0 18px 44px rgba(197,20,88,.16);
    --container:1180px;
  }
  html{scroll-behavior:smooth}
  body{
    font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
    color:var(--ink);
    background:
      radial-gradient(1100px 520px at 88% -8%, #ffe1ec 0%, rgba(255,225,236,0) 62%),
      radial-gradient(900px 480px at 4% 12%, #ffeef5 0%, rgba(255,238,245,0) 60%),
      linear-gradient(180deg,#fff8fb 0%,#fffafc 46%,#fff5f9 100%);
    background-attachment:fixed;
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
  }
  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
  section{position:relative}
  h1,h2,h3,h4{line-height:1.28;letter-spacing:-.01em;color:var(--ink)}
  a{color:inherit;text-decoration:none}
  ul{list-style:none}
  img{max-width:100%;height:auto;display:block}

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;top:0;z-index:80;
    backdrop-filter:blur(14px);
    background:rgba(255,248,251,.86);
    border-bottom:1px solid var(--line);
  }
  .nav-wrap{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:70px;padding:10px 0;
  }
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .brand .ai-page-logo{height:38px;width:auto;max-width:150px;object-fit:contain}
  .brand-name{font-size:18px;font-weight:800;color:var(--pink-deep);letter-spacing:.02em}
  .nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap}
  .nav-links a{
    display:inline-block;padding:8px 13px;font-size:14.5px;color:var(--ink-2);
    border-radius:10px;font-weight:500;transition:color .22s,background .22s;
    white-space:nowrap;
  }
  .nav-links a:hover{color:var(--pink);background:var(--pink-mist)}
  .nav-cta{
    display:inline-flex;align-items:center;gap:6px;
    padding:9px 20px;font-size:14.5px;font-weight:700;color:#fff;
    background:linear-gradient(135deg,#f1286a,#c40e50);
    border-radius:999px;box-shadow:0 8px 20px rgba(232,20,90,.28);
    transition:transform .2s,box-shadow .2s;flex-shrink:0;
  }
  .nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,20,90,.36)}
  .nav-toggle{
    display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
    background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
  }
  .nav-toggle span{display:block;width:20px;height:2px;background:var(--pink-deep);border-radius:2px;transition:.25s}
  .mobile-menu{display:none;border-top:1px solid var(--line);padding:8px 0 16px}
  .mobile-menu.open{display:block}
  .mobile-menu a{
    display:block;padding:11px 4px;font-size:15px;color:var(--ink-2);
    border-bottom:1px dashed var(--line);
  }
  .mobile-menu a:last-child{border-bottom:none}

  /* ---------- Hero ---------- */
  .hero{padding:64px 0 58px;overflow:hidden}
  .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;color:var(--pink-deep);
    background:var(--pink-soft);border:1px solid #ffcddf;
    padding:6px 15px;border-radius:999px;letter-spacing:.04em;
  }
  .eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--pink);box-shadow:0 0 0 4px rgba(232,20,90,.16)}
  .hero h1{
    font-size:clamp(30px,4vw,50px);
    font-weight:900;margin:20px 0 18px;
    letter-spacing:-.02em;
  }
  .hero h1 em{
    font-style:normal;color:var(--pink-deep);
    background:linear-gradient(120deg,#e8145a,#ff5c92 70%);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;
  }
  .hero p.lead{font-size:16.5px;color:var(--ink-2);max-width:560px;margin-bottom:26px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
  .btn-primary{
    display:inline-flex;align-items:center;gap:8px;
    padding:14px 32px;font-size:16px;font-weight:800;color:#fff;
    background:linear-gradient(135deg,#f1286a,#bd0b4c);
    border-radius:14px;border:none;cursor:pointer;
    box-shadow:0 14px 30px rgba(232,20,90,.3);
    transition:transform .22s,box-shadow .22s;
  }
  .btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 40px rgba(232,20,90,.4)}
  .btn-primary:active{transform:translateY(-1px)}
  .btn-ghost{
    display:inline-flex;align-items:center;gap:8px;
    padding:14px 28px;font-size:16px;font-weight:700;color:var(--pink-deep);
    background:#fff;border:1.5px solid #f6b8ce;border-radius:14px;
    transition:background .22s,border-color .22s,transform .22s;
  }
  .btn-ghost:hover{background:var(--pink-mist);border-color:var(--pink);transform:translateY(-2px)}
  .hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:28px}
  .hero-tags span{
    font-size:13px;color:var(--ink-2);background:#fff;border:1px solid var(--line);
    padding:5px 13px;border-radius:999px;
  }
  .hero-visual{position:relative;min-height:340px;display:flex;align-items:center;justify-content:center}
  .glow-orb{
    position:absolute;border-radius:50%;filter:blur(24px);opacity:.6;animation:floaty 8s ease-in-out infinite;
  }
  .orb-1{width:230px;height:230px;background:radial-gradient(circle,#ff8fb8,#ffd0e0 70%);top:2%;right:6%}
  .orb-2{width:170px;height:170px;background:radial-gradient(circle,#ffc7dc,#fff0f5 70%);bottom:4%;left:2%;animation-delay:-3s}
  .orb-3{width:120px;height:120px;background:radial-gradient(circle,#ff5c92,#ffd3e2 72%);top:44%;left:34%;animation-delay:-5s;opacity:.42}
  @keyframes floaty{0%,100%{transform:translate(0,0)}50%{transform:translate(10px,-16px)}}
  .stat-panel{
    position:relative;z-index:2;width:100%;max-width:390px;
    background:rgba(255,255,255,.9);
    border:1px solid #ffd3e2;border-radius:26px;
    padding:26px 24px;box-shadow:0 22px 54px rgba(197,20,88,.14);
    backdrop-filter:blur(8px);
  }
  .stat-panel h3{font-size:15px;color:var(--ink-3);font-weight:600;margin-bottom:18px;letter-spacing:.04em}
  .stat-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .stat-cell{
    background:linear-gradient(150deg,#fff4f8,#ffe7f0);
    border:1px solid #ffd8e6;border-radius:14px;padding:14px 13px;
  }
  .stat-cell strong{display:block;font-size:22px;color:var(--pink-deep);font-weight:900;line-height:1.2}
  .stat-cell small{font-size:12.5px;color:var(--ink-3);display:block;margin-top:4px}
  .stat-note{
    margin-top:16px;font-size:13px;color:var(--ink-2);line-height:1.6;
    background:#fff;border-left:3px solid var(--pink);padding:10px 12px;border-radius:0 10px 10px 0;
  }

  /* ---------- Section base ---------- */
  .section{padding:66px 0}
  .section-head{max-width:720px;margin-bottom:38px}
  .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
  .kicker{
    display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.16em;
    color:var(--pink);text-transform:uppercase;margin-bottom:12px;
  }
  .section-head h2{font-size:clamp(24px,3vw,34px);font-weight:900;margin-bottom:14px}
  .section-head p{font-size:15.5px;color:var(--ink-2)}

  /* ---------- Data metrics ---------- */
  .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
  .metric{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:26px 22px;box-shadow:var(--shadow);
    transition:transform .25s,box-shadow .25s,border-color .25s;
  }
  .metric:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#ffbcd4}
  .metric strong{display:block;font-size:30px;font-weight:900;color:var(--pink-deep);line-height:1.1;margin-bottom:8px}
  .metric span{font-size:14px;color:var(--ink-3)}

  /* ---------- About / platform ---------- */
  .about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:start}
  .about-copy p{font-size:15.5px;color:var(--ink-2);margin-bottom:16px}
  .about-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
  .about-list li{
    display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);
    background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;
    transition:border-color .2s,transform .2s;
  }
  .about-list li:hover{border-color:#ffbcd4;transform:translateY(-2px)}
  .about-list li::before{
    content:"";flex-shrink:0;width:8px;height:8px;margin-top:7px;border-radius:50%;
    background:linear-gradient(135deg,#f1286a,#ff87b3);
  }
  .about-visual{
    background:linear-gradient(160deg,#fff2f7,#ffe0ec);
    border:1px solid #ffd0e1;border-radius:24px;padding:26px;
    box-shadow:var(--shadow);
  }
  .about-visual h3{font-size:19px;margin-bottom:16px;color:var(--pink-deep)}
  .cap-chips{display:flex;flex-wrap:wrap;gap:9px}
  .cap-chips span{
    font-size:13px;color:var(--ink-2);background:#fff;border:1px solid #ffd5e4;
    padding:6px 12px;border-radius:999px;transition:.2s;
  }
  .cap-chips span:hover{background:var(--pink);color:#fff;border-color:var(--pink);transform:translateY(-2px)}

  /* ---------- Service cards ---------- */
  .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .service-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:26px 24px;box-shadow:var(--shadow);position:relative;overflow:hidden;
    transition:transform .25s,box-shadow .25s,border-color .25s;
  }
  .service-card::after{
    content:"";position:absolute;inset:auto -40px -60px auto;width:140px;height:140px;border-radius:50%;
    background:radial-gradient(circle,#ffe3ee,rgba(255,227,238,0) 70%);
    opacity:0;transition:opacity .3s;
  }
  .service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:#ffb9d1}
  .service-card:hover::after{opacity:1}
  .service-icon{
    width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,#ff5c92,#c90f50);color:#fff;font-weight:900;font-size:18px;
    margin-bottom:16px;box-shadow:0 8px 18px rgba(232,20,90,.24);
  }
  .service-card h3{font-size:17.5px;margin-bottom:9px}
  .service-card p{font-size:14px;color:var(--ink-3);line-height:1.66}

  /* ---------- Scenarios tag cloud ---------- */
  .tag-cloud{
    display:flex;flex-wrap:wrap;gap:11px;
    background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;
    box-shadow:var(--shadow);
  }
  .tag-cloud span{
    font-size:13.5px;color:var(--ink-2);
    background:linear-gradient(150deg,#fff4f8,#ffe9f1);
    border:1px solid #ffd7e5;border-radius:999px;padding:8px 15px;
    transition:transform .2s,background .2s,color .2s,border-color .2s;
  }
  .tag-cloud span:hover{background:var(--pink);color:#fff;border-color:var(--pink);transform:translateY(-3px)}

  /* ---------- Model strip ---------- */
  .model-strip{
    display:flex;flex-wrap:wrap;gap:10px;justify-content:center;
    margin-top:8px;
  }
  .model-strip span{
    font-size:13px;font-weight:600;color:var(--pink-deep);
    background:#fff;border:1px dashed #ffbcd4;border-radius:10px;padding:7px 14px;
    transition:.22s;
  }
  .model-strip span:hover{background:var(--pink-soft);border-style:solid;transform:translateY(-2px)}

  /* ---------- Industry solutions ---------- */
  .solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .solution{
    display:flex;gap:18px;align-items:flex-start;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
    box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;
  }
  .solution:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
  .solution .num{
    flex-shrink:0;width:40px;height:40px;border-radius:12px;
    display:flex;align-items:center;justify-content:center;
    font-weight:900;color:#fff;background:linear-gradient(135deg,#ff6d9e,#c30e50);
    box-shadow:0 8px 16px rgba(232,20,90,.22);
  }
  .solution h3{font-size:16.5px;margin-bottom:6px}
  .solution p{font-size:14px;color:var(--ink-3);line-height:1.65}

  /* ---------- Steps timeline ---------- */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
  .step{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:26px 20px;box-shadow:var(--shadow);position:relative;
    transition:transform .25s,box-shadow .25s;
  }
  .step:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
  .step .step-no{
    display:inline-flex;align-items:center;justify-content:center;
    width:34px;height:34px;border-radius:10px;
    font-weight:900;font-size:15px;color:var(--pink-deep);
    background:var(--pink-soft);border:1px solid #ffc9dc;margin-bottom:14px;
  }
  .step h3{font-size:16px;margin-bottom:7px}
  .step p{font-size:13.5px;color:var(--ink-3);line-height:1.6}

  /* ---------- Network ---------- */
  .network-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .network-card{
    background:linear-gradient(160deg,#fff,#fff3f8);
    border:1px solid var(--line);border-radius:var(--radius);padding:24px;
    box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;
  }
  .network-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
  .network-card h3{font-size:16.5px;color:var(--pink-deep);margin-bottom:8px}
  .network-card p{font-size:14px;color:var(--ink-3);line-height:1.66}

  /* ---------- Case gallery ---------- */
  .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .case-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;box-shadow:var(--shadow);
    transition:transform .25s,box-shadow .25s;
  }
  .case-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
  .case-media{position:relative;background:linear-gradient(150deg,#ffe7f0,#fff5f9)}
  .case-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
  .case-body{padding:18px 20px 22px}
  .case-body h3{font-size:16px;margin-bottom:7px}
  .case-body p{font-size:13.5px;color:var(--ink-3);line-height:1.62}
  .case-vertical{display:grid;grid-template-columns:1fr 1fr;gap:20px}

  /* ---------- Compare table ---------- */
  .table-wrap{
    background:#fff;border:1px solid var(--line);border-radius:20px;
    box-shadow:var(--shadow);overflow-x:auto;-webkit-overflow-scrolling:touch;
  }
  table{width:100%;border-collapse:collapse;min-width:660px}
  thead th{
    background:linear-gradient(135deg,#ffedf4,#ffe0ec);
    color:var(--pink-deep);font-size:14.5px;font-weight:800;
    padding:16px 18px;text-align:left;border-bottom:1px solid #ffd0e1;white-space:nowrap;
  }
  tbody td{
    padding:15px 18px;font-size:14px;color:var(--ink-2);
    border-bottom:1px solid #fbe6ee;vertical-align:top;
  }
  tbody tr:last-child td{border-bottom:none}
  tbody tr:hover td{background:#fff6fa}
  .rate-badge{
    display:inline-flex;align-items:center;gap:6px;font-weight:800;color:var(--pink-deep);
    background:var(--pink-soft);border:1px solid #ffc9dc;padding:4px 12px;border-radius:999px;font-size:13px;
  }
  .score-panel{
    display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:26px;
  }
  .score-cell{
    background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;text-align:center;
    box-shadow:var(--shadow);
  }
  .score-cell strong{display:block;font-size:30px;font-weight:900;color:var(--pink-deep);line-height:1.15}
  .score-cell span{font-size:13.5px;color:var(--ink-3)}

  /* ---------- Token price ---------- */
  .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
  .price-card{
    background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px 24px;
    box-shadow:var(--shadow);display:flex;flex-direction:column;
    transition:transform .25s,box-shadow .25s,border-color .25s;
  }
  .price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
  .price-card.hot{border-color:#ff9cc0;background:linear-gradient(170deg,#fff5f9,#fff)}
  .price-card h3{font-size:18px;margin-bottom:6px}
  .price-card .price-desc{font-size:13.5px;color:var(--ink-3);margin-bottom:18px}
  .price-list{display:grid;gap:10px;margin-bottom:22px;flex:1}
  .price-list li{
    display:flex;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--ink-2);
    padding-bottom:10px;border-bottom:1px dashed #fbe0ea;
  }
  .price-list li span:last-child{color:var(--pink-deep);font-weight:800;white-space:nowrap}
  .price-card .btn-ghost,.price-card .btn-primary{width:100%;justify-content:center;font-size:15px;padding:12px 20px}

  /* ---------- Reviews ---------- */
  .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .review{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:24px 22px;box-shadow:var(--shadow);
    display:flex;flex-direction:column;gap:14px;
    transition:transform .25s,box-shadow .25s;
  }
  .review:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
  .review .stars{color:#f5a623;font-size:14px;letter-spacing:2px}
  .review p{font-size:14px;color:var(--ink-2);line-height:1.72;flex:1}
  .review-user{display:flex;align-items:center;gap:12px;padding-top:14px;border-top:1px solid #fbe6ee}
  .avatar{
    width:40px;height:40px;border-radius:50%;flex-shrink:0;
    display:flex;align-items:center;justify-content:center;
    font-weight:800;font-size:15px;color:#fff;
    background:linear-gradient(135deg,#ff6d9e,#c20d4f);
  }
  .review-user strong{display:block;font-size:14px}
  .review-user small{font-size:12.5px;color:var(--ink-3)}

  /* ---------- Article list ---------- */
  .article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .article{
    display:block;background:#fff;border:1px solid var(--line);border-radius:16px;
    padding:22px;box-shadow:var(--shadow);transition:transform .22s,box-shadow .22s,border-color .22s;
  }
  .article:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#ffbcd4}
  .article .tag{
    display:inline-block;font-size:12px;font-weight:700;color:var(--pink-deep);
    background:var(--pink-soft);border-radius:999px;padding:3px 11px;margin-bottom:12px;
  }
  .article h3{font-size:15.5px;margin-bottom:8px;line-height:1.5}
  .article p{font-size:13.5px;color:var(--ink-3);line-height:1.62}
  .article .more{display:inline-block;margin-top:12px;font-size:13.5px;font-weight:700;color:var(--pink)}

  /* ---------- Form ---------- */
  .form-wrap{
    display:grid;grid-template-columns:.95fr 1.05fr;gap:34px;align-items:start;
    background:#fff;border:1px solid var(--line);border-radius:26px;
    padding:36px;box-shadow:var(--shadow);
  }
  .form-intro h3{font-size:21px;margin-bottom:12px}
  .form-intro p{font-size:14.5px;color:var(--ink-2);margin-bottom:18px}
  .contact-list{display:grid;gap:11px;margin-top:6px}
  .contact-list li{
    display:flex;gap:10px;font-size:14px;color:var(--ink-2);
    background:var(--pink-mist);border:1px solid #ffe0eb;border-radius:12px;padding:11px 14px;
  }
  .contact-list li b{color:var(--pink-deep);font-weight:700;flex-shrink:0}
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .field{display:flex;flex-direction:column;gap:7px}
  .field.full{grid-column:1/-1}
  .field label{font-size:13.5px;font-weight:700;color:var(--ink-2)}
  .field input,.field select,.field textarea{
    font-family:inherit;font-size:14.5px;color:var(--ink);
    background:#fffafc;border:1px solid #f3cddb;border-radius:12px;
    padding:12px 14px;outline:none;transition:border-color .2s,box-shadow .2s;width:100%;
  }
  .field input:focus,.field select:focus,.field textarea:focus{
    border-color:var(--pink);box-shadow:0 0 0 4px rgba(232,20,90,.11);background:#fff;
  }
  .field textarea{resize:vertical;min-height:110px}
  .form-submit{
    grid-column:1/-1;
    display:inline-flex;align-items:center;justify-content:center;
    padding:14px 26px;font-size:15.5px;font-weight:800;color:#fff;
    background:linear-gradient(135deg,#f1286a,#bd0b4c);border:none;border-radius:14px;
    cursor:pointer;box-shadow:0 12px 26px rgba(232,20,90,.28);
    transition:transform .2s,box-shadow .2s;
  }
  .form-submit:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(232,20,90,.36)}
  .form-tip{grid-column:1/-1;font-size:12.5px;color:var(--ink-3)}

  /* ---------- FAQ ---------- */
  .faq-list{display:grid;gap:12px}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:14px;
    box-shadow:0 4px 14px rgba(197,20,88,.05);overflow:hidden;
    transition:border-color .22s,box-shadow .22s;
  }
  .faq-item.open{border-color:#ffaec9;box-shadow:0 10px 26px rgba(197,20,88,.1)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;background:none;border:none;cursor:pointer;text-align:left;
    font-family:inherit;font-size:15.5px;font-weight:700;color:var(--ink);
  }
  .faq-q:hover{color:var(--pink-deep)}
  .faq-icon{
    flex-shrink:0;width:26px;height:26px;border-radius:8px;
    display:flex;align-items:center;justify-content:center;
    background:var(--pink-soft);color:var(--pink-deep);font-size:17px;font-weight:800;
    transition:transform .28s,background .22s;line-height:1;
  }
  .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--pink);color:#fff}
  .faq-a{
    max-height:0;overflow:hidden;
    transition:max-height .34s ease,padding .3s ease;
    padding:0 22px;
  }
  .faq-item.open .faq-a{padding:0 22px 20px}
  .faq-a p{font-size:14.5px;color:var(--ink-2);line-height:1.75}

  /* ---------- Links / friends ---------- */
  .friend-links{
    display:flex;flex-wrap:wrap;gap:10px;
    background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;
    box-shadow:var(--shadow);
  }
  .friend-links a{
    font-size:13.5px;color:var(--ink-2);background:var(--pink-mist);
    border:1px solid #ffe0eb;border-radius:10px;padding:8px 15px;transition:.2s;
  }
  .friend-links a:hover{background:var(--pink);color:#fff;border-color:var(--pink);transform:translateY(-2px)}

  /* ---------- CTA band ---------- */
  .cta-band{
    background:linear-gradient(125deg,#e8145a,#a8073e 62%,#7d052e);
    border-radius:28px;padding:46px 40px;color:#fff;position:relative;overflow:hidden;
    box-shadow:0 24px 60px rgba(168,7,62,.3);
  }
  .cta-band::before,.cta-band::after{
    content:"";position:absolute;border-radius:50%;filter:blur(18px);
  }
  .cta-band::before{width:280px;height:280px;background:rgba(255,255,255,.13);top:-90px;right:-60px}
  .cta-band::after{width:200px;height:200px;background:rgba(255,255,255,.09);bottom:-80px;left:8%}
  .cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
  .cta-inner h2{font-size:clamp(22px,2.7vw,30px);color:#fff;margin-bottom:10px}
  .cta-inner p{font-size:14.5px;color:rgba(255,255,255,.88);max-width:520px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
  .btn-light{
    display:inline-flex;align-items:center;gap:8px;padding:13px 28px;
    font-size:15px;font-weight:800;color:#c40e50;background:#fff;border-radius:13px;
    transition:transform .2s,box-shadow .2s;box-shadow:0 10px 24px rgba(0,0,0,.16);
  }
  .btn-light:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(0,0,0,.22)}
  .btn-outline-light{
    display:inline-flex;align-items:center;gap:8px;padding:13px 26px;
    font-size:15px;font-weight:700;color:#fff;background:rgba(255,255,255,.12);
    border:1.5px solid rgba(255,255,255,.5);border-radius:13px;transition:.2s;
  }
  .btn-outline-light:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}

  /* ---------- Footer ---------- */
  .site-footer{
    margin-top:60px;
    background:linear-gradient(180deg,#fff2f7,#ffe8f1);
    border-top:1px solid #f7cbdd;
    padding:52px 0 24px;
    color:var(--ink-2);
  }
  .footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:34px}
  .footer-brand .ai-page-logo{height:40px;width:auto;max-width:160px;object-fit:contain;margin-bottom:14px}
  .footer-brand p{font-size:13.5px;color:#5c4550;line-height:1.75;margin-bottom:14px}
  .footer-brand .home-link{
    display:inline-block;font-size:13.5px;font-weight:700;color:var(--pink-deep);
    background:#fff;border:1px solid #ffc4d9;border-radius:10px;padding:8px 16px;transition:.2s;
  }
  .footer-brand .home-link:hover{background:var(--pink);color:#fff;border-color:var(--pink)}
  .footer-col h4{font-size:14.5px;font-weight:800;color:var(--pink-deep);margin-bottom:14px}
  .footer-col ul{display:grid;gap:9px}
  .footer-col li{font-size:13.5px;color:#5c4550;line-height:1.6}
  .footer-col a{font-size:13.5px;color:#5c4550;transition:color .2s}
  .footer-col a:hover{color:var(--pink)}
  .kefu-box{display:flex;align-items:center;gap:12px;margin-top:6px}
  .kefu-box img{
    width:92px;height:92px;object-fit:contain;border-radius:12px;
    border:1px solid #ffc4d9;background:#fff;padding:4px;
  }
  .kefu-box small{font-size:12.5px;color:#5c4550;line-height:1.6;display:block}
  .footer-bottom{
    margin-top:36px;padding-top:20px;border-top:1px solid #f5c3d6;
    display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
    font-size:12.5px;color:#6b5460;
  }
  .footer-bottom .fb-links{display:flex;flex-wrap:wrap;gap:16px}
  .footer-bottom a{color:#6b5460}
  .footer-bottom a:hover{color:var(--pink-deep)}

  /* ---------- Float service ---------- */
  .float-kefu{
    position:fixed;right:20px;bottom:22px;z-index:90;
    display:flex;flex-direction:column;gap:10px;align-items:flex-end;
  }
  .float-btn{
    width:52px;height:52px;border-radius:16px;border:none;cursor:pointer;
    display:flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,#f1286a,#bd0b4c);color:#fff;
    box-shadow:0 12px 26px rgba(232,20,90,.34);
    transition:transform .2s,box-shadow .2s;font-size:13px;font-weight:800;font-family:inherit;
  }
  .float-btn:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(232,20,90,.42)}
  .float-kefu-panel{
    display:none;width:210px;background:#fff;border:1px solid var(--line);
    border-radius:16px;padding:16px;box-shadow:0 20px 46px rgba(197,20,88,.18);text-align:center;
  }
  .float-kefu-panel.show{display:block;animation:pop .24s ease}
  @keyframes pop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
  .float-kefu-panel strong{display:block;font-size:13.5px;color:var(--pink-deep);margin-bottom:10px}
  .float-kefu-panel img{width:100%;max-width:160px;margin:0 auto 10px;border-radius:10px;opacity:1;object-fit:contain}
  .float-kefu-panel p{font-size:12px;color:var(--ink-3);line-height:1.6}

  /* ---------- Reveal animation ---------- */
  .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
  .reveal.in{opacity:1;transform:none}
  @media (prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;transition:none}
    .glow-orb{animation:none}
    html{scroll-behavior:auto}
  }

  /* ---------- Responsive ---------- */
  @media (max-width:1024px){
    .hero-grid{grid-template-columns:1fr;gap:36px}
    .hero-visual{min-height:auto;justify-content:flex-start}
    .stat-panel{max-width:100%}
    .metrics{grid-template-columns:repeat(2,1fr)}
    .service-grid,.case-grid,.review-grid,.price-grid,.network-grid,.article-grid{grid-template-columns:repeat(2,1fr)}
    .about-grid{grid-template-columns:1fr;gap:28px}
    .steps{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1fr 1fr}
    .form-wrap{grid-template-columns:1fr;padding:28px}
    .score-panel{grid-template-columns:repeat(3,1fr)}
  }
  @media (max-width:860px){
    .nav-links,.nav-cta{display:none}
    .nav-toggle{display:flex}
  }
  @media (max-width:720px){
    .section{padding:48px 0}
    .hero{padding:44px 0 42px}
    .metrics,.service-grid,.case-grid,.review-grid,.price-grid,.network-grid,.article-grid,.solution-grid,.steps,.case-vertical{grid-template-columns:1fr}
    .score-panel{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .form-grid{grid-template-columns:1fr}
    .about-list{grid-template-columns:1fr}
    .cta-band{padding:32px 24px}
    .cta-inner{flex-direction:column;align-items:flex-start}
    .cta-actions{width:100%}
    .cta-actions a{flex:1 1 auto;justify-content:center}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
    .float-kefu{right:14px;bottom:14px}
    .footer-brand .ai-page-logo{height:34px}
  }