:root{
    --ink:#0f2b25;
    --ink2:#4a6a61;
    --mint:#16b581;
    --mint-dark:#0a8a60;
    --mint-soft:#e6f8f0;
    --mint-line:#cfeade;
    --page:#f4fbf8;
    --shadow:0 8px 24px rgba(16,90,70,.07);
    --radius:20px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;scroll-padding-top:86px;}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--ink);
    background-color:var(--page);
    background-image:
      radial-gradient(620px 620px at 6% -6%, rgba(22,181,129,.14), transparent 70%),
      radial-gradient(680px 680px at 100% 4%, rgba(74,150,220,.09), transparent 70%),
      radial-gradient(760px 760px at 50% 100%, rgba(22,181,129,.09), transparent 72%);
    background-repeat:no-repeat;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{margin:0;line-height:1.35;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  img{display:block;max-width:100%;height:auto;}
  a{color:var(--mint-dark);}
  .wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:100;
    background:rgba(255,255,255,.9);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--mint-line);
  }
  .header-inner{
    position:relative;
    display:flex;align-items:center;justify-content:space-between;
    gap:12px;min-height:68px;
  }
  .brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
  .brand .ai-page-logo{height:34px;width:auto;max-width:150px;object-fit:contain;}
  .brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.02em;white-space:nowrap;}
  .nav-links{
    display:flex;align-items:center;gap:0;
    margin-left:auto;
  }
  .nav-links a{
    display:block;padding:8px 10px;font-size:13.5px;font-weight:500;
    color:var(--ink2);text-decoration:none;border-radius:9px;white-space:nowrap;
    transition:color .2s ease,background .2s ease;
  }
  .nav-links a:hover{color:var(--mint-dark);background:var(--mint-soft);}
  .header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
  .header-cta{
    display:inline-flex;align-items:center;justify-content:center;
    padding:9px 18px;border-radius:999px;font-size:13.5px;font-weight:600;
    color:#fff;text-decoration:none;
    background:linear-gradient(135deg,#1cc48d,#0a8a60);
    box-shadow:0 8px 18px rgba(12,138,96,.24);
    transition:transform .2s ease,box-shadow .2s ease;
  }
  .header-cta:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(12,138,96,.3);}
  .nav-toggle{
    display:none;flex-direction:column;justify-content:center;gap:4px;
    width:40px;height:40px;padding:0 9px;border-radius:10px;cursor:pointer;
    background:#fff;border:1px solid var(--mint-line);
  }
  .nav-toggle span{display:block;height:2px;width:100%;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  /* ---------- hero ---------- */
  .hero{padding:60px 0 48px;}
  .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:center;}
  .badge{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
    color:var(--mint-dark);background:var(--mint-soft);border:1px solid var(--mint-line);
  }
  .badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(22,181,129,.16);}
  .hero h1{
    font-size:clamp(28px,4.2vw,46px);
    line-height:1.24;margin:18px 0 16px;letter-spacing:-.02em;
    animation:riseIn .7s ease both;
  }
  .hero-sub{font-size:16px;color:var(--ink2);max-width:560px;animation:riseIn .7s .08s ease both;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;animation:riseIn .7s .16s ease both;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
    text-decoration:none;cursor:pointer;font-family:inherit;
    border:1px solid transparent;
    transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease;
  }
  .btn-primary{
    color:#fff;background:linear-gradient(135deg,#1cc48d,#0a8a60);
    box-shadow:0 12px 26px rgba(12,138,96,.28);
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(12,138,96,.34);}
  .btn-ghost{color:var(--mint-dark);background:#fff;border-color:var(--mint-line);}
  .btn-ghost:hover{transform:translateY(-2px);border-color:#9fdfc6;box-shadow:var(--shadow);}
  .hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;animation:riseIn .7s .24s ease both;}
  .hero-tags li{
    font-size:13px;color:var(--ink2);padding:6px 12px;border-radius:999px;
    background:rgba(255,255,255,.85);border:1px solid var(--mint-line);
  }
  .hero-visual{
    position:relative;min-height:360px;border-radius:28px;overflow:hidden;
    background:radial-gradient(circle at 28% 22%, #d9f7ea 0%, #eaf7ff 58%, #f3fbf7 100%);
    border:1px solid var(--mint-line);
  }
  .hero-visual::before{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(rgba(22,181,129,.07) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(22,181,129,.07) 1px, transparent 1px);
    background-size:34px 34px;
    -webkit-mask-image:radial-gradient(circle at 50% 50%, #000 30%, transparent 78%);
    mask-image:radial-gradient(circle at 50% 50%, #000 30%, transparent 78%);
  }
  .hero-ring{
    position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
    width:150px;height:150px;border-radius:50%;
    border:2px dashed rgba(22,181,129,.45);
    animation:spin 26s linear infinite;
  }
  .hero-ring::after{
    content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
    width:86px;height:86px;border-radius:50%;
    background:linear-gradient(135deg,#1cc48d,#0a8a60);
    box-shadow:0 14px 30px rgba(12,138,96,.28);
  }
  .chip{
    position:absolute;padding:9px 15px;border-radius:14px;font-size:13.5px;font-weight:600;
    color:var(--mint-dark);background:rgba(255,255,255,.94);
    border:1px solid var(--mint-line);box-shadow:0 10px 22px rgba(16,90,70,.09);
    animation:float 6.5s ease-in-out infinite;
  }
  .chip-1{left:8%;top:14%;}
  .chip-2{right:7%;top:26%;animation-delay:1.1s;}
  .chip-3{left:12%;bottom:18%;animation-delay:2s;}
  .chip-4{right:10%;bottom:12%;animation-delay:.6s;}

  /* ---------- stats ---------- */
  .stats{padding:0 0 20px;}
  .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
  .stat{
    background:#fff;border:1px solid var(--mint-line);border-radius:18px;
    padding:22px 16px;text-align:center;box-shadow:var(--shadow);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .stat:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(16,90,70,.1);border-color:#a9e3cc;}
  .stat strong{display:block;font-size:30px;line-height:1.2;color:var(--mint-dark);font-weight:700;}
  .stat span{display:block;margin-top:4px;font-size:13.5px;color:var(--ink2);}

  /* ---------- sections ---------- */
  .section{padding:64px 0;}
  .section-head{max-width:780px;margin:0 auto 40px;text-align:center;}
  .eyebrow{
    display:inline-block;padding:5px 14px;border-radius:999px;
    font-size:12.5px;font-weight:700;letter-spacing:.1em;
    color:var(--mint-dark);background:var(--mint-soft);border:1px solid var(--mint-line);
    margin-bottom:14px;
  }
  .section-head h2{font-size:clamp(23px,3vw,33px);margin-bottom:12px;}
  .section-head p{font-size:15.5px;color:var(--ink2);}

  .grid-cards{display:grid;gap:18px;}
  .grid-3{grid-template-columns:repeat(auto-fit,minmax(290px,1fr));}
  .grid-4{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));}

  .card{
    display:flex;flex-direction:column;gap:10px;
    padding:26px 24px;border-radius:var(--radius);
    background:#fff;border:1px solid var(--mint-line);box-shadow:var(--shadow);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .card:hover{transform:translateY(-5px);box-shadow:0 20px 36px rgba(16,90,70,.11);border-color:#a9e3cc;}
  .card h3{font-size:17px;margin:0;}
  .card p{font-size:14.5px;color:var(--ink2);}
  .card-icon{
    width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
    background:linear-gradient(135deg,#e8faf2,#d6f4e8);border:1px solid #c8ecdd;
  }
  .card-icon svg{width:21px;height:21px;stroke:var(--mint-dark);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
  .step-no{
    display:inline-flex;align-items:center;justify-content:center;
    width:28px;height:28px;border-radius:9px;font-size:13px;font-weight:700;
    color:#fff;background:linear-gradient(135deg,#1cc48d,#0a8a60);
  }

  /* ---------- process timeline ---------- */
  .timeline{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));}
  .tl-item{
    position:relative;padding:22px 20px;border-radius:16px;
    background:#fff;border:1px solid var(--mint-line);box-shadow:var(--shadow);
    transition:transform .25s ease,box-shadow .25s ease;
  }
  .tl-item:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(16,90,70,.1);}
  .tl-item::before{
    content:"";position:absolute;left:20px;top:-1px;width:44px;height:3px;border-radius:0 0 4px 4px;
    background:linear-gradient(90deg,#1cc48d,#0a8a60);
  }
  .tl-item h3{font-size:15.5px;margin:10px 0 6px;}
  .tl-item p{font-size:13.8px;color:var(--ink2);}

  /* ---------- tag cloud ---------- */
  .tag-cloud{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;}
  .tag-cloud span{
    padding:7px 14px;border-radius:999px;font-size:13.5px;
    color:var(--ink2);background:#fff;border:1px solid var(--mint-line);
    transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease;
  }
  .tag-cloud span:hover{color:var(--mint-dark);border-color:#a9e3cc;background:var(--mint-soft);transform:translateY(-2px);}

  /* ---------- tables ---------- */
  .table-scroll{overflow-x:auto;border-radius:18px;border:1px solid var(--mint-line);background:#fff;box-shadow:var(--shadow);}
  table{width:100%;border-collapse:collapse;min-width:620px;font-size:14.5px;}
  thead th{
    text-align:left;padding:15px 18px;font-size:13.5px;font-weight:700;
    color:var(--mint-dark);background:var(--mint-soft);white-space:nowrap;
  }
  tbody td{padding:14px 18px;border-top:1px solid #eaf5f0;color:var(--ink2);vertical-align:top;}
  tbody td:first-child{color:var(--ink);font-weight:600;}
  tbody tr:hover td{background:#f7fdfa;}
  .good{color:var(--mint-dark);font-weight:600;}

  /* ---------- review ---------- */
  .score-panel{
    display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:stretch;
    margin-bottom:26px;
  }
  .score-card{
    padding:30px 24px;border-radius:22px;text-align:center;
    background:linear-gradient(150deg,#e9fbf3,#f3fbf7);
    border:1px solid var(--mint-line);box-shadow:var(--shadow);
  }
  .score-num{font-size:52px;font-weight:800;line-height:1;color:var(--mint-dark);letter-spacing:-.03em;}
  .score-max{font-size:13.5px;color:var(--ink2);margin-top:6px;}
  .stars{font-size:19px;letter-spacing:3px;color:#f2a93b;margin-top:12px;}
  .score-tip{font-size:13.5px;color:var(--ink2);margin-top:10px;}
  .review-note{
    padding:28px 26px;border-radius:22px;background:#fff;
    border:1px solid var(--mint-line);box-shadow:var(--shadow);
    display:flex;flex-direction:column;justify-content:center;gap:12px;
  }
  .review-note p{font-size:15px;color:var(--ink2);}

  /* ---------- cases ---------- */
  .case-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));}
  .case-card{
    background:#fff;border:1px solid var(--mint-line);border-radius:18px;overflow:hidden;
    box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;
    display:flex;flex-direction:column;
  }
  .case-card:hover{transform:translateY(-5px);box-shadow:0 20px 36px rgba(16,90,70,.11);}
  .case-media{
    aspect-ratio:16/10;background:#eef8f3;border-bottom:1px solid var(--mint-line);
    display:grid;place-items:center;padding:10px;
  }
  .case-media img{width:100%;height:100%;object-fit:contain;border-radius:10px;}
  .case-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:6px;}
  .case-body h3{font-size:15.5px;}
  .case-body p{font-size:13.5px;color:var(--ink2);}

  /* ---------- chips list / network ---------- */
  .network-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));}
  .net-item{
    padding:20px;border-radius:16px;background:#fff;border:1px solid var(--mint-line);
    box-shadow:var(--shadow);transition:transform .25s ease,border-color .25s ease;
  }
  .net-item:hover{transform:translateY(-4px);border-color:#a9e3cc;}
  .net-item h3{font-size:15px;margin-bottom:4px;color:var(--mint-dark);}
  .net-item p{font-size:13.5px;color:var(--ink2);}

  /* ---------- form ---------- */
  .demand-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;align-items:start;}
  .demand-copy h2{font-size:clamp(22px,2.6vw,30px);margin:14px 0 12px;}
  .demand-copy p{font-size:15px;color:var(--ink2);}
  .check-list{margin-top:20px;display:flex;flex-direction:column;gap:11px;}
  .check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink2);}
  .check-list li::before{
    content:"";flex:0 0 18px;width:18px;height:18px;margin-top:4px;border-radius:50%;
    background:var(--mint-soft);border:1px solid #bde8d6;
    background-image:linear-gradient(135deg,#1cc48d,#0a8a60);
    background-size:8px 8px;background-position:center;background-repeat:no-repeat;
    clip-path:circle(50%);
  }
  .form-card{
    padding:28px 26px;border-radius:22px;background:#fff;
    border:1px solid var(--mint-line);box-shadow:0 14px 34px rgba(16,90,70,.09);
  }
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  .field{display:flex;flex-direction:column;gap:7px;}
  .field.full{grid-column:1 / -1;}
  .field label{font-size:13.8px;font-weight:600;color:var(--ink);}
  .field input,.field select,.field textarea{
    width:100%;padding:12px 14px;border-radius:12px;
    border:1px solid var(--mint-line);background:#fbfefc;
    font-size:14.5px;color:var(--ink);font-family:inherit;
    transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  }
  .field input::placeholder,.field textarea::placeholder{color:#93aaa3;}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;background:#fff;border-color:var(--mint);
    box-shadow:0 0 0 3px rgba(22,181,129,.14);
  }
  .field textarea{min-height:118px;resize:vertical;}
  .form-tip{font-size:12.8px;color:#7e968f;margin-top:12px;}

  /* ---------- faq ---------- */
  .faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto;}
  .faq-item{
    background:#fff;border:1px solid var(--mint-line);border-radius:16px;
    box-shadow:var(--shadow);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
  }
  .faq-item.open{border-color:#a9e3cc;box-shadow:0 14px 30px rgba(16,90,70,.1);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
    padding:17px 20px;background:none;border:0;cursor:pointer;text-align:left;
    font-size:15px;font-weight:600;color:var(--ink);font-family:inherit;
    transition:color .2s ease;
  }
  .faq-q:hover{color:var(--mint-dark);}
  .faq-q .arrow{
    flex:0 0 22px;width:22px;height:22px;border-radius:50%;
    border:1px solid var(--mint-line);position:relative;
    transition:transform .3s ease,background .3s ease,border-color .3s ease;
  }
  .faq-q .arrow::before,.faq-q .arrow::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--mint-dark);border-radius:2px;
    transform:translate(-50%,-50%);
  }
  .faq-q .arrow::before{width:9px;height:1.6px;}
  .faq-q .arrow::after{width:1.6px;height:9px;transition:opacity .3s ease;}
  .faq-item.open .faq-q .arrow{transform:rotate(180deg);background:var(--mint-soft);border-color:#a9e3cc;}
  .faq-item.open .faq-q .arrow::after{opacity:0;}
  .faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s ease;}
  .faq-a > div{overflow:hidden;}
  .faq-a p{padding:0 20px 18px;font-size:14.4px;color:var(--ink2);}
  .faq-item.open .faq-a{grid-template-rows:1fr;}

  /* ---------- reviews ---------- */
  .review-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));}
  .review-card{
    padding:24px 22px;border-radius:18px;background:#fff;
    border:1px solid var(--mint-line);box-shadow:var(--shadow);
    display:flex;flex-direction:column;gap:14px;
    transition:transform .25s ease,box-shadow .25s ease;
  }
  .review-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(16,90,70,.1);}
  .review-card blockquote{margin:0;font-size:14.5px;color:var(--ink2);line-height:1.8;}
  .review-user{display:flex;align-items:center;gap:12px;margin-top:auto;}
  .avatar{
    width:40px;height:40px;border-radius:50%;flex-shrink:0;
    display:grid;place-items:center;font-size:14px;font-weight:700;color:#fff;
    background:linear-gradient(135deg,#1cc48d,#0a8a60);
  }
  .review-user strong{display:block;font-size:14px;color:var(--ink);}
  .review-user span{display:block;font-size:12.5px;color:#7e968f;}

  /* ---------- news ---------- */
  .news-list{display:grid;gap:14px;}
  .news-item{
    display:flex;align-items:center;gap:16px;justify-content:space-between;
    padding:18px 22px;border-radius:16px;background:#fff;
    border:1px solid var(--mint-line);box-shadow:var(--shadow);
    text-decoration:none;
    transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  }
  .news-item:hover{transform:translateX(4px);border-color:#a9e3cc;box-shadow:0 14px 28px rgba(16,90,70,.1);}
  .news-item strong{font-size:15px;color:var(--ink);font-weight:600;}
  .news-item em{font-style:normal;font-size:13px;color:var(--mint-dark);white-space:nowrap;}

  /* ---------- join ---------- */
  .join-panel{
    display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center;
    padding:38px 34px;border-radius:26px;
    background:linear-gradient(140deg,#eafaf3,#eef7ff);
    border:1px solid var(--mint-line);box-shadow:0 16px 36px rgba(16,90,70,.08);
  }
  .join-panel h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
  .join-panel p{font-size:15px;color:var(--ink2);}
  .join-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
  .join-side{display:flex;flex-direction:column;gap:10px;}
  .join-side div{
    padding:14px 16px;border-radius:14px;background:rgba(255,255,255,.86);
    border:1px solid var(--mint-line);font-size:14px;color:var(--ink2);
  }
  .join-side div strong{display:block;color:var(--mint-dark);font-size:14.5px;margin-bottom:2px;}

  /* ---------- contact ---------- */
  .contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start;}
  .contact-list{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));}
  .contact-item{
    padding:18px 20px;border-radius:16px;background:#fff;
    border:1px solid var(--mint-line);box-shadow:var(--shadow);
  }
  .contact-item span{display:block;font-size:12.8px;color:#7e968f;margin-bottom:4px;}
  .contact-item strong{font-size:14.8px;color:var(--ink);word-break:break-all;}
  .qr-card{
    padding:24px;border-radius:20px;background:#fff;text-align:center;
    border:1px solid var(--mint-line);box-shadow:var(--shadow);
  }
  .qr-card img{width:100%;max-width:200px;margin:0 auto;border-radius:12px;}
  .qr-card p{margin-top:12px;font-size:13.5px;color:var(--ink2);}

  /* ---------- footer ---------- */
  .site-footer{
    margin-top:20px;padding:44px 0 0;
    background:#eaf7f1;
    border-top:1px solid var(--mint-line);
    color:var(--ink2);
  }
  .footer-inner{display:grid;grid-template-columns:1.1fr 1.2fr .8fr;gap:28px;padding-bottom:32px;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
  .footer-brand .ai-page-logo{height:32px;width:auto;max-width:140px;object-fit:contain;}
  .footer-brand strong{font-size:16.5px;color:var(--ink);}
  .footer-col h3{font-size:14.5px;color:var(--ink);margin-bottom:12px;}
  .footer-col p{font-size:13.8px;color:#4a6a61;margin-bottom:6px;}
  .link-chips{display:flex;flex-wrap:wrap;gap:8px;}
  .link-chips a{
    font-size:13px;padding:6px 12px;border-radius:999px;
    color:#0a8a60;background:#fff;border:1px solid var(--mint-line);
    text-decoration:none;transition:background .2s ease,transform .2s ease;
  }
  .link-chips a:hover{background:var(--mint-soft);transform:translateY(-2px);}
  .footer-bottom{
    border-top:1px solid #d5ece3;padding-top:16px;padding-bottom:20px;
    text-align:center;
  }
  .footer-bottom p{font-size:12.8px;color:#5c776f;}
  .footer-bottom a{color:#0a8a60;text-decoration:none;margin:0 6px;}
  .footer-bottom a:hover{text-decoration:underline;}

  /* ---------- floating ---------- */
  .cs-fab{
    position:fixed;right:20px;bottom:22px;z-index:120;
    width:54px;height:54px;border-radius:50%;border:0;cursor:pointer;
    background:linear-gradient(135deg,#1cc48d,#0a8a60);color:#fff;
    box-shadow:0 14px 30px rgba(12,138,96,.35);
    display:grid;place-items:center;
    transition:transform .25s ease,box-shadow .25s ease;
  }
  .cs-fab:hover{transform:translateY(-3px) scale(1.04);}
  .cs-fab svg{width:24px;height:24px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
  .cs-panel{
    position:fixed;right:20px;bottom:88px;z-index:120;
    width:236px;padding:18px;border-radius:18px;
    background:#fff;border:1px solid var(--mint-line);
    box-shadow:0 20px 40px rgba(16,90,70,.18);
    opacity:0;visibility:hidden;transform:translateY(10px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  }
  .cs-panel.show{opacity:1;visibility:visible;transform:translateY(0);}
  .cs-panel h3{font-size:14px;margin-bottom:10px;}
  .cs-panel img{width:100%;border-radius:10px;border:1px solid var(--mint-line);}
  .cs-panel p{font-size:12.8px;color:var(--ink2);margin-top:10px;line-height:1.7;}
  .back-top{
    position:fixed;right:20px;bottom:88px;z-index:119;
    width:44px;height:44px;border-radius:50%;border:1px solid var(--mint-line);
    background:#fff;color:var(--mint-dark);cursor:pointer;
    display:grid;place-items:center;
    opacity:0;visibility:hidden;transform:translateY(8px);
    box-shadow:var(--shadow);
    transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  }
  .back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
  .back-top svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
  .cs-panel.show ~ .back-top{bottom:88px;}
  body.cs-open .back-top{bottom:88px;opacity:0;visibility:hidden;}

  /* ---------- animations ---------- */
  @keyframes float{
    0%,100%{transform:translateY(0);}
    50%{transform:translateY(-10px);}
  }
  @keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg);}}
  @keyframes riseIn{
    from{opacity:0;transform:translateY(16px);}
    to{opacity:1;transform:translateY(0);}
  }
  .js .reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease;}
  .js .reveal.is-visible{opacity:1;transform:translateY(0);}

  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    .chip,.hero-ring{animation:none;}
    .hero h1,.hero-sub,.hero-actions,.hero-tags{animation:none;}
    .js .reveal{opacity:1;transform:none;transition:none;}
    .card,.stat,.case-card,.review-card,.news-item,.tl-item,.net-item{transition:none;}
  }

  /* ---------- responsive ---------- */
  @media (max-width:1080px){
    .nav-links{
      position:absolute;left:0;right:0;top:100%;
      flex-direction:column;align-items:stretch;gap:0;
      padding:8px 14px 14px;
      background:#fff;border-bottom:1px solid var(--mint-line);
      box-shadow:0 18px 32px rgba(16,90,70,.12);
      display:none;
    }
    .nav-links.open{display:flex;}
    .nav-links a{padding:12px 8px;font-size:14.5px;border-radius:10px;}
    .nav-toggle{display:flex;}
    .hero-grid{grid-template-columns:1fr;gap:34px;}
    .hero-visual{min-height:300px;}
    .score-panel{grid-template-columns:1fr;}
    .demand-grid{grid-template-columns:1fr;}
    .contact-grid{grid-template-columns:1fr;}
    .join-panel{grid-template-columns:1fr;padding:30px 24px;}
    .footer-inner{grid-template-columns:1fr 1fr;gap:24px;}
  }
  @media (max-width:760px){
    body{font-size:15.5px;}
    .section{padding:52px 0;}
    .hero{padding:44px 0 36px;}
    .stats-grid{grid-template-columns:1fr 1fr;}
    .form-grid{grid-template-columns:1fr;}
    .footer-inner{grid-template-columns:1fr;}
    .header-cta{display:none;}
    .news-item{flex-direction:column;align-items:flex-start;gap:6px;}
    .brand .ai-page-logo{height:30px;max-width:120px;}
    .chip{font-size:12.5px;padding:7px 12px;}
    .hero-ring{width:120px;height:120px;}
    .hero-ring::after{width:70px;height:70px;}
  }
  @media (max-width:420px){
    .stats-grid{grid-template-columns:1fr;}
    .hero-visual{min-height:250px;}
  }