*{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
    font-size:16px;
    line-height:1.7;
    color:#0b2430;
    background-color:#f2fbfa;
    background-image:
      radial-gradient(900px 520px at 8% -8%, rgba(45,212,191,.20), rgba(45,212,191,0) 62%),
      radial-gradient(820px 480px at 100% 2%, rgba(56,189,248,.18), rgba(56,189,248,0) 58%),
      linear-gradient(180deg,#f3fcfb 0%,#f8fdfd 45%,#ebf8f7 100%);
    background-repeat:no-repeat;
    background-size:100% 100%;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;height:auto;display:block;border:0;}
  a{color:#0d9488;text-decoration:none;}
  .container{width:100%;max-width:1180px;margin:0 auto;padding-left:20px;padding-right:20px;}
  section{scroll-margin-top:84px;}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.88);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid #d7eeee;
  }
  .header-inner{
    display:flex;align-items:center;justify-content:space-between;
    gap:16px;min-height:68px;position:relative;
  }
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .ai-page-logo{width:auto;max-height:38px;}
  .brand-text{font-size:18px;font-weight:800;color:#082f3a;letter-spacing:.5px;white-space:nowrap;}
  .nav{display:flex;align-items:center;}
  .nav-links{
    list-style:none;display:flex;align-items:center;flex-wrap:wrap;
    gap:0;margin:0;padding:0;
  }
  .nav-links li{display:flex;}
  .nav-links a{
    display:inline-flex;align-items:center;
    padding:10px 12px;border-radius:10px;
    color:#1d4551;font-size:15px;font-weight:500;
    transition:color .2s,background-color .2s;
  }
  .nav-links a:hover{color:#0d9488;background:#e9fbf8;}
  .nav-links .nav-cta{
    margin-left:10px;padding:9px 20px;border-radius:999px;
    color:#fff;font-weight:600;
    background:linear-gradient(135deg,#0d9488,#06b6d4);
    box-shadow:0 8px 18px rgba(6,160,168,.22);
    transition:transform .2s,box-shadow .2s;
  }
  .nav-links .nav-cta:hover{color:#fff;background:linear-gradient(135deg,#0b8479,#0aa6c2);transform:translateY(-1px);box-shadow:0 12px 24px rgba(6,160,168,.3);}
  .nav-toggle{
    display:none;width:44px;height:44px;padding:0;flex-direction:column;
    align-items:center;justify-content:center;gap:5px;
    border:1px solid #cfe9e8;border-radius:12px;background:#fff;cursor:pointer;
  }
  .nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#0d9488;transition:transform .25s,opacity .25s;}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  /* ---------- hero ---------- */
  .hero{padding-top:52px;position:relative;overflow:hidden;}
  .hero-inner{display:grid;grid-template-columns:1.06fr .94fr;gap:46px;align-items:center;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;margin:0 0 18px;
    padding:6px 14px;border-radius:999px;
    background:#e2faf6;border:1px solid #b8ece4;color:#0f766e;
    font-size:13px;font-weight:600;letter-spacing:.4px;
  }
  .eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:#14b8a6;box-shadow:0 0 0 3px rgba(20,184,166,.18);}
  h1{margin:0 0 18px;font-size:44px;line-height:1.24;font-weight:800;color:#062e39;letter-spacing:-.5px;}
  h1 .hl{color:#0d9488;position:relative;}
  .hero-sub{margin:0 0 26px;font-size:16.5px;color:#3f6070;max-width:620px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 26px;border-radius:999px;border:1px solid transparent;
    font-size:15.5px;font-weight:600;font-family:inherit;text-align:center;
    cursor:pointer;transition:transform .2s,box-shadow .2s,background-color .2s,color .2s;
  }
  .btn-primary{background:linear-gradient(135deg,#0d9488,#06b6d4);color:#fff;box-shadow:0 10px 24px rgba(6,160,168,.28);}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(6,160,168,.34);color:#fff;}
  .btn-ghost{background:#fff;color:#0f766e;border-color:#b6e7e1;}
  .btn-ghost:hover{background:#eafaf7;transform:translateY(-2px);color:#0b6b63;}
  .btn-sm{padding:10px 20px;font-size:14.5px;}
  .hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:10px 24px;margin:0;padding:0;font-size:14px;color:#40626f;}
  .hero-points li{display:flex;align-items:center;gap:7px;}
  .hero-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:#14b8a6;flex:0 0 auto;}

  .hero-panel{
    position:relative;padding:22px;border-radius:22px;
    background:rgba(255,255,255,.84);
    border:1px solid #cdeceb;
    box-shadow:0 24px 60px rgba(13,110,116,.14);
    animation:floatY 7s ease-in-out infinite;
  }
  @keyframes floatY{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);} }
  .panel-head{display:flex;align-items:center;gap:8px;padding-bottom:14px;border-bottom:1px dashed #d6eceb;margin-bottom:16px;}
  .panel-head .dot{width:9px;height:9px;border-radius:50%;background:#b8e7e2;}
  .panel-head .dot:nth-child(1){background:#7ee0d3;}
  .panel-head .dot:nth-child(2){background:#8ed8f6;}
  .panel-title{margin-left:auto;font-size:13px;font-weight:700;letter-spacing:1px;color:#1a6a70;}
  .chip-cloud{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px;}
  .chip{
    padding:6px 12px;border-radius:999px;font-size:13px;font-weight:500;
    background:#eefbf9;border:1px solid #c8ece7;color:#136a6a;
  }
  .chip:nth-child(3n){background:#eef7fe;border-color:#c8e4f6;color:#0f5c86;}
  .chip:nth-child(4n){background:#f1fbf3;border-color:#cbead3;color:#1c6b3f;}
  .panel-list{display:grid;gap:10px;}
  .panel-row{
    display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
    padding:10px 14px;border-radius:12px;background:#f5fcfb;border:1px solid #e0f2f1;
  }
  .panel-row span{font-size:13px;color:#5b7c88;flex:0 0 auto;}
  .panel-row strong{font-size:13px;font-weight:600;color:#0d4a54;text-align:right;}

  .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:46px;}
  .metric-card{
    background:#fff;border:1px solid #d8efee;border-radius:16px;padding:20px 18px;
    box-shadow:0 10px 26px rgba(13,110,116,.07);
    transition:transform .25s,box-shadow .25s,border-color .25s;
  }
  .metric-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(13,110,116,.14);border-color:#b6e7e1;}
  .metric-num{font-size:27px;font-weight:800;color:#0d9488;line-height:1.15;}
  .metric-label{margin-top:6px;font-size:14px;color:#4a6b78;}

  /* ---------- common section ---------- */
  .section{padding-top:66px;}
  .section-head{max-width:780px;margin-bottom:32px;}
  .section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
  .tagline{display:inline-block;margin-bottom:10px;font-size:12.5px;font-weight:700;letter-spacing:1.8px;color:#0d9488;}
  h2{margin:0 0 12px;font-size:30px;line-height:1.32;font-weight:800;color:#082f3a;}
  h3{margin:0 0 8px;font-size:17.5px;font-weight:700;color:#123c48;}
  .section-desc{margin:0;font-size:15.5px;color:#4a6b78;}
  .grid{display:grid;gap:18px;}
  .grid-2{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(3,1fr);}
  .grid-4{grid-template-columns:repeat(4,1fr);}

  .card{
    background:#fff;border:1px solid #d9efee;border-radius:18px;padding:24px;
    box-shadow:0 10px 26px rgba(13,110,116,.06);
    transition:transform .26s,box-shadow .26s,border-color .26s;
  }
  .card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(13,110,116,.13);border-color:#b8e7e1;}
  .card p{margin:0;font-size:14.8px;color:#4a6b78;}
  .ico{
    display:flex;align-items:center;justify-content:center;
    width:44px;height:44px;margin-bottom:14px;border-radius:13px;
    background:linear-gradient(135deg,#e3fbf6,#e2f4fd);color:#0d9488;
  }

  /* ---------- about ---------- */
  .about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
  .about-item{
    background:#fff;border:1px solid #d9efee;border-radius:16px;padding:22px;
    box-shadow:0 8px 22px rgba(13,110,116,.06);
    transition:transform .25s,box-shadow .25s;
  }
  .about-item:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(13,110,116,.12);}
  .about-item h3{font-size:16.5px;}
  .about-item p{margin:0;font-size:14.5px;color:#4a6b78;}

  /* ---------- steps ---------- */
  .step-flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
  .step{
    background:#fff;border:1px solid #d9efee;border-radius:16px;padding:20px 18px;
    box-shadow:0 8px 22px rgba(13,110,116,.06);
    transition:transform .25s,box-shadow .25s;
  }
  .step:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(13,110,116,.12);}
  .step-num{
    display:inline-block;margin-bottom:10px;padding:2px 10px;border-radius:999px;
    font-size:12.5px;font-weight:800;letter-spacing:1px;color:#0f766e;
    background:#e6faf6;border:1px solid #bdede6;
  }
  .step h3{font-size:16px;margin-bottom:6px;}
  .step p{margin:0;font-size:14px;color:#4a6b78;}

  .scene-cloud{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px;}
  .scene-tag{
    padding:7px 14px;border-radius:999px;font-size:13.5px;
    background:#fff;border:1px solid #d3eeec;color:#1c5c66;
    transition:transform .2s,border-color .2s,color .2s,box-shadow .2s;
  }
  .scene-tag:hover{transform:translateY(-2px);border-color:#7fd8ce;color:#0d7a72;box-shadow:0 8px 18px rgba(13,110,116,.12);}

  /* ---------- table ---------- */
  .table-wrap{
    overflow-x:auto;border-radius:16px;border:1px solid #d8efee;background:#fff;
    box-shadow:0 12px 30px rgba(13,110,116,.07);
  }
  table{border-collapse:collapse;width:100%;min-width:760px;}
  th,td{padding:14px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid #e9f5f4;}
  thead th{background:#e9faf7;color:#0b4a4a;font-weight:700;font-size:14px;white-space:nowrap;}
  tbody th{font-weight:600;color:#1e4655;background:#fbfefe;white-space:nowrap;}
  td{color:#3f6070;}
  .compare-table td:nth-child(2){color:#0c7466;font-weight:600;background:#f4fdfb;}
  tbody tr:last-child th,tbody tr:last-child td{border-bottom:0;}
  tbody tr:hover td,tbody tr:hover th{background:#f3fdfc;}

  .score-panel{
    display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:center;
    margin-top:22px;padding:26px;border-radius:20px;
    background:linear-gradient(135deg,#ffffff,#effcfb);
    border:1px solid #c8ece7;
    box-shadow:0 16px 36px rgba(13,110,116,.10);
  }
  .score-main{text-align:center;padding-right:26px;border-right:1px dashed #cfe9e8;}
  .score-num{font-size:44px;font-weight:800;line-height:1;color:#0d9488;}
  .score-num span{font-size:16px;font-weight:600;color:#6c8a94;margin-left:2px;}
  .score-label{margin-top:8px;font-size:13.5px;color:#5b7c88;}
  .score-stars{margin:0 0 8px;font-size:14.5px;color:#40626f;}
  .stars{color:#f59e0b;letter-spacing:2px;font-size:17px;}
  .score-panel p{margin:0;font-size:15px;color:#3f6070;}

  /* ---------- case ---------- */
  .case-card{
    background:#fff;border:1px solid #d9efee;border-radius:18px;overflow:hidden;
    box-shadow:0 10px 26px rgba(13,110,116,.07);
    transition:transform .26s,box-shadow .26s;
  }
  .case-card:hover{transform:translateY(-5px);box-shadow:0 22px 44px rgba(13,110,116,.15);}
  .case-media{aspect-ratio:16/10;background:#eaf7f6;overflow:hidden;}
  .case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
  .case-card:hover .case-media img{transform:scale(1.04);}
  .case-body{padding:18px 20px 22px;}
  .case-body h3{font-size:16.5px;margin-bottom:6px;}
  .case-body p{margin:0;font-size:14.3px;color:#4a6b78;}

  /* ---------- reviews ---------- */
  .review-card{
    margin:0;padding:22px;border-radius:18px;background:#fff;
    border:1px solid #d9efee;box-shadow:0 10px 26px rgba(13,110,116,.06);
    display:flex;flex-direction:column;justify-content:space-between;gap:16px;
    transition:transform .26s,box-shadow .26s;
  }
  .review-card:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(13,110,116,.13);}
  .review-card blockquote{margin:0;font-size:14.8px;color:#3f6070;line-height:1.75;}
  .review-card figcaption{display:flex;align-items:center;gap:12px;padding-top:14px;border-top:1px dashed #e0f2f1;}
  .avatar{
    flex:0 0 auto;width:40px;height:40px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    font-size:15px;font-weight:700;color:#0d7a72;
    background:linear-gradient(135deg,#d8f7f1,#dceffb);
  }
  .review-meta{display:flex;flex-direction:column;line-height:1.45;}
  .review-meta strong{font-size:14.5px;color:#123c48;}
  .review-meta em{font-style:normal;font-size:12.5px;color:#6c8a94;}

  /* ---------- form ---------- */
  .demand-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:start;}
  .demand-side{
    padding:26px;border-radius:20px;
    background:linear-gradient(150deg,#0d9488,#0891b2);
    color:#fff;box-shadow:0 18px 40px rgba(8,145,178,.22);
  }
  .demand-side h3{color:#fff;font-size:19px;margin-bottom:10px;}
  .demand-side p{margin:0 0 18px;font-size:14.6px;color:#e2fbf8;}
  .demand-side ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
  .demand-side li{display:flex;gap:9px;align-items:flex-start;font-size:14.4px;color:#f0fdfb;}
  .demand-side li::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;border-radius:50%;background:#a7f3e8;}
  .demand-form{
    padding:26px;border-radius:20px;background:#fff;
    border:1px solid #d9efee;box-shadow:0 14px 34px rgba(13,110,116,.09);
  }
  .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
  .field{display:flex;flex-direction:column;gap:8px;}
  .field-full{grid-column:1 / -1;}
  .field label{font-size:14px;font-weight:600;color:#24495a;}
  .field input,.field select,.field textarea{
    width:100%;padding:12px 14px;border-radius:12px;
    border:1px solid #cfe7e6;background:#fff;color:#0b2430;
    font-size:15px;font-family:inherit;
    transition:border-color .2s,box-shadow .2s;
  }
  .field textarea{resize:vertical;min-height:104px;}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:#2dd4bf;box-shadow:0 0 0 3px rgba(45,212,191,.18);
  }
  .form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px;}
  .form-note{margin:0;font-size:13px;color:#6c8a94;}

  /* ---------- faq ---------- */
  .faq-list{display:grid;gap:12px;}
  .faq-item{
    background:#fff;border:1px solid #d9efee;border-radius:14px;padding:2px 20px;
    transition:box-shadow .25s,border-color .25s;
  }
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:16px 0;font-size:16px;font-weight:600;color:#0d3542;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"";flex:0 0 auto;width:9px;height:9px;margin-right:3px;
    border-right:2px solid #0d9488;border-bottom:2px solid #0d9488;
    transform:rotate(45deg);transition:transform .25s;
  }
  .faq-item[open] summary::after{transform:rotate(-135deg);}
  .faq-item p{margin:0 0 16px;font-size:14.8px;color:#4a6b78;}
  .faq-item[open]{border-color:#b6e7e1;box-shadow:0 14px 30px rgba(13,110,116,.10);}

  /* ---------- contact ---------- */
  .contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
  .contact-card{
    background:#fff;border:1px solid #d9efee;border-radius:16px;padding:20px;
    box-shadow:0 8px 22px rgba(13,110,116,.06);
    transition:transform .25s,box-shadow .25s;
  }
  .contact-card:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(13,110,116,.12);}
  .contact-card h3{font-size:15px;margin-bottom:6px;color:#155e66;}
  .contact-card p{margin:0;font-size:14.6px;color:#3f6070;word-break:break-all;}
  .qr-card{display:flex;gap:18px;align-items:center;grid-column:1 / -1;padding:22px;}
  .qr-box{
    flex:0 0 auto;width:132px;padding:8px;border-radius:14px;
    background:#f4fdfc;border:1px solid #d3eeec;
  }
  .qr-box img{width:100%;height:auto;border-radius:8px;}
  .qr-text h3{margin-bottom:8px;}
  .qr-text p{margin:0;font-size:14.4px;color:#4a6b78;}

  /* ---------- agent ---------- */
  .agent-wrap{
    display:grid;grid-template-columns:1fr .9fr;gap:26px;align-items:center;
    padding:30px;border-radius:22px;
    background:linear-gradient(135deg,#e8fbf8,#e6f4fd);
    border:1px solid #c8ece7;
    box-shadow:0 16px 36px rgba(13,110,116,.08);
  }
  .agent-wrap h2{font-size:27px;}
  .agent-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:18px;}
  .agent-points{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
  .agent-points li{
    display:flex;gap:10px;align-items:flex-start;
    padding:14px 16px;border-radius:14px;background:#fff;
    border:1px solid #ddf1f0;font-size:14.6px;color:#3f6070;
    box-shadow:0 6px 16px rgba(13,110,116,.05);
  }
  .agent-points strong{color:#0d4a54;}
  .agent-points li::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;border-radius:50%;background:#14b8a6;}

  /* ---------- articles ---------- */
  .insight-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:start;}
  .wiki-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
  .wiki-card{
    background:#fff;border:1px solid #d9efee;border-radius:14px;padding:18px;
    transition:transform .25s,box-shadow .25s;
  }
  .wiki-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(13,110,116,.1);}
  .wiki-card h3{font-size:15.5px;margin-bottom:6px;}
  .wiki-card p{margin:0;font-size:14px;color:#4a6b78;}
  .article-card{
    background:#fff;border:1px solid #d9efee;border-radius:16px;padding:24px;
    box-shadow:0 10px 26px rgba(13,110,116,.06);
  }
  .shortcode-slot{font-size:14.4px;color:#4a6b78;margin:0 0 14px;}
  .article-links{list-style:none;margin:0;padding:0;display:grid;gap:2px;}
  .article-links li a{
    display:flex;align-items:center;gap:9px;padding:10px 12px;border-radius:10px;
    font-size:14.6px;color:#1e4655;transition:background-color .2s,color .2s,padding-left .2s;
  }
  .article-links li a::before{content:"";width:6px;height:6px;border-radius:50%;background:#2dd4bf;flex:0 0 auto;}
  .article-links li a:hover{background:#effcfa;color:#0d7a72;padding-left:16px;}

  /* ---------- footer ---------- */
  .site-footer{
    margin-top:70px;
    background:linear-gradient(140deg,#072f39,#0b4c53 60%,#0d5c5a);
    color:#d7f2ef;
    padding:44px 0 22px;
  }
  .footer-grid{display:grid;grid-template-columns:1.3fr .85fr 1fr;gap:32px;align-items:start;}
  .footer-brand p{margin:0 0 14px;font-size:14.3px;color:#bfe7e3;line-height:1.75;}
  .footer-title{margin:0 0 14px;font-size:15px;font-weight:700;color:#ffffff;letter-spacing:.5px;}
  .footer-name{margin:0 0 10px;font-size:18px;font-weight:800;color:#ffffff;letter-spacing:.5px;}
  .footer-links{list-style:none;margin:0;padding:0;display:grid;gap:8px;}
  .footer-links li a{font-size:14.2px;color:#bfe7e3;transition:color .2s;}
  .footer-links li a:hover{color:#7ff0e2;}
  .footer-cta{
    display:inline-flex;align-items:center;justify-content:center;
    padding:10px 22px;border-radius:999px;font-size:14.5px;font-weight:700;
    background:#ffffff;color:#0b5a58;transition:transform .2s,box-shadow .2s;
  }
  .footer-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.28);color:#084c4a;}
  .footer-bottom{
    margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,255,255,.16);
    font-size:13.2px;color:#a9dbd6;
  }

  /* ---------- float ---------- */
  .float-tools{position:fixed;right:16px;bottom:22px;z-index:80;display:flex;flex-direction:column;gap:10px;}
  .float-btn{
    width:46px;height:46px;border-radius:14px;padding:0;
    display:flex;align-items:center;justify-content:center;
    background:#fff;border:1px solid #bfe9e4;color:#0f766e;
    font-size:13px;font-weight:700;font-family:inherit;
    box-shadow:0 10px 24px rgba(13,110,116,.16);
    cursor:pointer;transition:transform .2s,box-shadow .2s,opacity .25s,visibility .25s;
  }
  .float-btn:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(13,110,116,.24);color:#0b6b63;}
  .float-top{opacity:0;visibility:hidden;}
  .float-top.show{opacity:1;visibility:visible;}

  /* ---------- reveal ---------- */
  .reveal{transition:opacity .7s ease,transform .7s cubic-bezier(.22,.68,.35,1);}
  .js .reveal{opacity:0;transform:translateY(24px);}
  .js .reveal.in{opacity:1;transform:translateY(0);}

  /* ---------- responsive ---------- */
  @media (max-width:1024px){
    .hero-inner{grid-template-columns:1fr;gap:34px;}
    .hero-panel{animation:none;}
    .step-flow{grid-template-columns:repeat(3,1fr);}
    .about-grid{grid-template-columns:repeat(2,1fr);}
    .grid-4{grid-template-columns:repeat(2,1fr);}
    .demand-wrap{grid-template-columns:1fr;}
    .insight-grid{grid-template-columns:1fr;}
    .agent-wrap{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:960px){
    .nav-toggle{display:flex;}
    .nav{
      position:absolute;top:100%;left:0;right:0;display:none;
      background:#fff;border:1px solid #d9eeee;border-radius:14px;
      box-shadow:0 18px 40px rgba(13,96,104,.16);
      padding:10px;
    }
    .nav.open{display:block;}
    .nav-links{flex-direction:column;align-items:stretch;width:100%;}
    .nav-links li{width:100%;}
    .nav-links a{padding:12px 14px;width:100%;}
    .nav-links .nav-cta{margin:8px 0 4px;justify-content:center;}
    h1{font-size:34px;}
    h2{font-size:25px;}
    .score-panel{grid-template-columns:1fr;gap:18px;}
    .score-main{padding-right:0;border-right:0;border-bottom:1px dashed #cfe9e8;padding-bottom:16px;}
  }
  @media (max-width:768px){
    .grid-3,.grid-2,.grid-4,.about-grid,.contact-grid,.wiki-grid{grid-template-columns:1fr;}
    .step-flow{grid-template-columns:repeat(2,1fr);}
    .form-grid{grid-template-columns:1fr;}
    .metric-grid{grid-template-columns:repeat(2,1fr);}
    .footer-grid{grid-template-columns:1fr;gap:26px;}
    .qr-card{flex-direction:column;align-items:flex-start;}
    .section{padding-top:52px;}
    .site-footer{margin-top:52px;}
  }
  @media (max-width:520px){
    h1{font-size:27px;}
    h2{font-size:22px;}
    .hero{padding-top:36px;}
    .step-flow{grid-template-columns:1fr;}
    .metric-grid{grid-template-columns:1fr;}
    .hero-actions .btn{width:100%;}
    .demand-side,.demand-form,.agent-wrap{padding:22px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;}
    .js .reveal{opacity:1;transform:none;}
  }