:root{
    --green:#038046; --green-d:#02613a; --green-dd:#052e1f; --green-l:#e8f4ee;
    --orange:#fb7d00; --orange-l:#fff3e6;
    --ink:#16241d; --muted:#5e6f66; --line:#e2e9e5; --bg:#f6f8f7;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html,body{overflow-x:clip}
  body{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.7}
  a{color:inherit;text-decoration:none}
  img{display:block;max-width:100%}
  .wrap{max-width:1240px;margin:0 auto;padding:0 24px}
  .tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:2px;color:var(--orange);font-weight:700;margin-bottom:12px}
  .tag::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--orange)}
  h2.title{font-size:34px;line-height:1.35;margin-bottom:14px}
  h2.title b{color:var(--green)}
  .sub{color:var(--muted);font-size:16px;max-width:760px}
  .btn{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:8px;font-weight:600;font-size:15px;cursor:pointer;border:none;transition:.2s;font-family:inherit}
  .btn-orange{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(251,125,0,.3)}
  .btn-orange:hover{background:#e87300;transform:translateY(-2px)}
  .btn-green{background:var(--green);color:#fff}
  .btn-green:hover{background:var(--green-d)}

  /* ===== Top bar + Header ===== */
  .topbar{background:var(--green-dd);color:#a9c7b8;font-size:13px}
  .topbar .wrap{display:flex;justify-content:space-between;height:36px;align-items:center}
  .topbar b{color:#fff;font-weight:600}
  header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 2px 14px rgba(0,0,0,.06)}
  .nav{display:flex;align-items:center;height:76px;gap:36px}
  .logo{display:flex;align-items:center;gap:12px;flex:none}
  .logo img{height:42px;width:auto}
  .logo>div{padding-left:12px;border-left:1px solid var(--line)}
  .logo strong{display:block;font-size:20px;line-height:1.15;font-weight:800;letter-spacing:.3px}
  .logo strong i{font-style:normal;color:var(--orange)}
  .logo small{display:block;font-size:12px;line-height:1.5;margin-top:3px;color:var(--muted);letter-spacing:1.5px}
  .menu{display:flex;gap:2px;flex:1;justify-content:center}
  .menu>li{list-style:none;position:relative}
  .menu>li>a{display:block;padding:26px 14px;font-size:15px;font-weight:500;position:relative;white-space:nowrap}
  .menu>li:has(.drop)>a{padding-right:26px}
  .menu>li:has(.drop)>a::before{content:"";position:absolute;right:10px;top:50%;width:6px;height:6px;margin-top:-5px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);opacity:.55}
  .nav .btn,.lang{white-space:nowrap}
  .menu>li>a::after{content:"";position:absolute;left:14px;right:14px;bottom:18px;height:3px;border-radius:2px;background:var(--green);transform:scaleX(0);transition:.2s}
  .menu>li:has(.drop)>a::after{right:26px}
  .menu>li:hover>a,.menu>li.on>a{color:var(--green)}
  .menu>li:hover>a::after,.menu>li.on>a::after{transform:none}
  #about,#contact{scroll-margin-top:96px}
  .drop{position:absolute;top:100%;left:0;min-width:220px;background:#fff;border-radius:0 0 10px 10px;border-top:3px solid var(--green);box-shadow:0 16px 40px rgba(0,0,0,.12);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s}
  .menu>li:hover .drop{opacity:1;visibility:visible;transform:none}
  .menu>li:nth-last-child(-n+2) .drop{left:auto;right:0}
  .drop a{display:block;padding:10px 14px;border-radius:6px;font-size:14px}
  .drop a:hover{background:var(--green-l);color:var(--green)}
  .lang{font-size:13px;color:var(--muted);margin-right:6px;display:inline-flex;align-items:center;gap:2px;flex:none}
  .lang a{color:inherit;text-decoration:none;padding:2px 4px;border-radius:4px;transition:.15s}
  .lang a:hover{color:var(--green)}
  .lang a.on{color:var(--green);font-weight:700}
  .lang-sep{opacity:.45;user-select:none}

  /* English nav: shorter labels still need tighter spacing so items don't clip */
  body.lang-en .nav{gap:18px}
  body.lang-en .logo small{font-size:11px;letter-spacing:.4px;white-space:nowrap}
  body.lang-en .menu{flex:1 1 auto;min-width:0;justify-content:center;gap:0}
  body.lang-en .menu>li>a{font-size:13.5px;padding:26px 10px;letter-spacing:-.01em}
  body.lang-en .menu>li:has(.drop)>a{padding-right:22px}
  body.lang-en .menu>li:has(.drop)>a::before{right:8px}
  body.lang-en .menu>li:has(.drop)>a::after{right:22px}
  body.lang-en .nav>.btn{padding:10px 16px;font-size:13px;flex:none}
  @media (max-width:1280px){
    body.lang-en .nav{gap:12px}
    body.lang-en .menu>li>a{font-size:12.5px;padding:26px 7px}
    body.lang-en .logo small{display:none}
  }
  @media (max-width:1100px){
    body.lang-en .nav>.btn{display:none}
  }

  /* ===== Carousel ===== */
  .carousel{position:relative;overflow:hidden;background:#0d1f17}
  .track{display:flex;transition:transform .7s cubic-bezier(.6,0,.2,1)}
  .slide{position:relative;flex:0 0 100%;aspect-ratio:2048/882;max-height:640px}
  .slide img{width:100%;height:100%;object-fit:cover;object-position:left center}
  /* Keep the banner and intro visible together on a typical desktop viewport. */
  .home-carousel{height:clamp(340px,calc(100vh - 300px),660px)}
  .home-carousel .track{height:100%}
  .home-carousel .slide{aspect-ratio:auto;height:100%;max-height:none;min-height:0}
  .arrow{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:none;background:rgba(255,255,255,.18);backdrop-filter:blur(6px);color:#fff;font-size:22px;cursor:pointer;transition:.2s}
  .arrow:hover{background:var(--orange)}
  .arrow.prev{left:24px}.arrow.next{right:24px}
  .dots{position:absolute;left:0;right:0;bottom:22px;display:flex;justify-content:center;gap:10px}
  .dots button{width:34px;height:4px;border-radius:2px;border:none;background:rgba(255,255,255,.45);cursor:pointer;transition:.3s}
  .dots button.on{background:var(--orange);width:56px}

  /* ===== Hero intro strip ===== */
  .intro{position:relative;z-index:2;margin-top:24px}
  .intro .card{background:#fff;border-radius:16px;box-shadow:0 18px 50px rgba(5,46,31,.12);display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;overflow:hidden}
  .intro .lead{background:var(--green);color:#fff;padding:30px 32px}
  .intro .lead h1{font-size:20px;line-height:1.35;white-space:nowrap}
  .intro .lead p{font-size:13px;color:#bfe0cf;margin-top:6px}
  .intro .it{padding:28px 26px;border-left:1px solid var(--line);display:flex;gap:14px;align-items:flex-start;transition:.2s}
  .intro .it:hover{background:var(--green-l)}
  .ico{flex:none;width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(145deg,#fff7ed,#ffe8cc);color:var(--orange);border:1px solid #ffd7a8;box-shadow:inset 0 1px 0 rgba(255,255,255,.8)}
  .ico .ti,.sol-ico .ti,.step i .ti{display:block;width:24px;height:24px;flex:none}
  .intro .it h3{font-size:17px}
  .intro .it p{font-size:13px;color:var(--muted)}

  /* ===== Sections ===== */
  section{padding:96px 0}
  .sec-head{text-align:center;margin-bottom:48px}
  .sec-head .tag{justify-content:center}
  .sec-head .sub{margin:0 auto}

  /* 天眼 */
  .platform .wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:60px;align-items:center}
  .flow{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:28px}
  .flow div{background:var(--bg);border-radius:12px;padding:18px 20px;border-left:4px solid var(--green)}
  .flow div:nth-child(2n){border-left-color:var(--orange)}
  .flow b{display:block;font-size:16px}
  .flow span{font-size:13px;color:var(--muted)}
  .shots{position:relative;padding:0 0 60px 40px}
  .shots img{border-radius:12px;box-shadow:0 20px 50px rgba(0,0,0,.18)}
  .shots .s2{position:absolute;left:0;bottom:0;width:58%;border:4px solid #fff}
  .shots .badge{position:absolute;right:-10px;top:-14px;background:var(--orange);color:#fff;font-size:13px;font-weight:700;padding:6px 14px;border-radius:30px;box-shadow:0 8px 20px rgba(251,125,0,.35)}

  /* Solutions – hover cards */
  .solutions{background:var(--bg)}
  .group{margin-bottom:56px}
  .group:last-child{margin-bottom:0}
  .group-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:22px;gap:20px}
  .group-head h3{font-size:26px;display:flex;align-items:center;gap:12px}
  .group-head h3 em{font-style:normal;font-size:15px;width:40px;height:40px;border-radius:10px;background:var(--green);color:#fff;display:grid;place-items:center}
  .group-head p{color:var(--muted);font-size:14px;margin-top:4px}

  .sol-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
  .sol-card{position:relative;min-height:420px;border-radius:16px;overflow:hidden;background:#fff;border:1px solid var(--line);cursor:pointer;isolation:isolate;transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s,border-color .25s}
  .sol-face{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .5s,filter .35s}
  .sol-face::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,46,31,.05) 0%,rgba(5,46,31,.72) 100%)}
  .sol-base{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:28px 26px;color:#fff;transition:opacity .25s,transform .35s}
  .sol-ico{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:12px;background:var(--orange);color:#fff;font-weight:800;font-size:16px;margin-bottom:14px;box-shadow:0 8px 18px rgba(251,125,0,.35)}
  .sol-ico .ti{width:20px;height:20px}
  .sol-base h4{font-size:22px;line-height:1.3;margin-bottom:4px}
  .sol-base p{font-size:14px;color:#d5e8dd;opacity:.92}

  .sol-hover{position:absolute;inset:0;z-index:3;display:flex;flex-direction:column;padding:28px 26px;background:linear-gradient(160deg,var(--green) 0%,var(--green-d) 55%,var(--green-dd) 100%);color:#fff;opacity:0;visibility:hidden;transform:translateY(18px);transition:opacity .3s,transform .35s cubic-bezier(.2,.8,.2,1),visibility .3s}
  .sol-hover h4{font-size:20px;line-height:1.35;margin-bottom:8px}
  .sol-hover .desc{font-size:13px;color:#cfe6d9;margin-bottom:14px;line-height:1.65}
  .sol-hover ul{list-style:none;flex:1;overflow:auto;margin:0;padding:0}
  .sol-hover li{position:relative;padding:8px 0 8px 28px;font-size:13px;line-height:1.55;border-top:1px solid rgba(255,255,255,.12);color:#e8f4ee}
  .sol-hover li:first-child{border-top:none}
  .sol-hover li::before{content:"";position:absolute;left:0;top:14px;width:14px;height:14px;border-radius:50%;background:rgba(255,255,255,.18);box-shadow:inset 0 0 0 3px #fff}
  .sol-hover .more{margin-top:16px;color:#ffd7a8;font-weight:700}
  .sol-hover .more:hover{color:#fff}

  .sol-card:hover,.sol-card.on{transform:translateY(-10px);border-color:transparent;box-shadow:0 22px 48px rgba(5,46,31,.22);z-index:2}
  .sol-card:hover .sol-face,.sol-card.on .sol-face{transform:scale(1.06);filter:blur(1px)}
  .sol-card:hover .sol-base,.sol-card.on .sol-base{opacity:0;transform:translateY(10px)}
  .sol-card:hover .sol-hover,.sol-card.on .sol-hover{opacity:1;visibility:visible;transform:none}

  .more{margin-top:20px;display:inline-flex;gap:6px;color:var(--green);font-weight:600;font-size:14px}
  .more:hover{color:var(--orange)}

  /* legacy panel bits kept for safety if reused */
  .tabs{display:none}
  .panel{display:none}

  /* Custom service */
  .custom{background:var(--green-dd);color:#fff}
  .custom .sub{color:#a9c7b8}
  .custom h2.title b{color:#5fd39a}
  .custom .carousel{border-radius:16px;margin-top:40px}
  .custom .slide{max-height:none}
  .svc{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:28px}
  .svc-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:30px;transition:.25s;cursor:pointer}
  .svc-card:hover,.svc-card.on{border-color:var(--orange);background:rgba(251,125,0,.07)}
  .svc-card h3{font-size:20px;margin-bottom:14px;display:flex;gap:10px;align-items:center}
  .svc-card h3 span{font-size:13px;color:var(--orange)}
  .svc-card ol{list-style:none}
  .svc-card li{font-size:14px;color:#c1d6cb;padding:7px 0;border-top:1px solid rgba(255,255,255,.07);display:flex;gap:10px}
  .svc-card li b{color:var(--orange);flex:none}

  /* About */
  .about .wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
  .nums{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:30px}
  .nums div{background:var(--green-l);border-radius:12px;padding:20px}
  .nums b{display:block;font-size:32px;color:var(--green);line-height:1.2}
  .nums b small{font-size:16px}
  .nums span{font-size:13px;color:var(--muted)}
  .adv{display:grid;gap:14px}
  .adv>div{display:flex;gap:16px;align-items:flex-start;padding:20px;border:1px solid var(--line);border-radius:12px;transition:.2s;background:#fff}
  .adv>div:hover{border-color:var(--green);box-shadow:0 10px 26px rgba(3,128,70,.08)}
  .adv h4{font-size:16px;margin-bottom:4px}
  .adv p{font-size:14px;color:var(--muted);line-height:1.6}
  .steps{display:grid;grid-template-columns:repeat(6,1fr);margin-top:64px;position:relative;gap:8px}
  .steps::before{content:"";position:absolute;top:28px;left:8%;right:8%;height:2px;background:linear-gradient(90deg,var(--green),var(--orange))}
  .step{text-align:center;position:relative;padding:0 6px}
  .step i{position:relative;display:grid;place-items:center;width:56px;height:56px;margin:0 auto 14px;border-radius:16px;background:#fff;border:2px solid var(--green);font-style:normal;color:var(--green);box-shadow:0 8px 18px rgba(3,128,70,.08)}
  .step i em{position:absolute;right:-6px;top:-6px;min-width:20px;height:20px;padding:0 5px;border-radius:999px;background:var(--green);color:#fff;font-size:11px;font-weight:800;font-style:normal;line-height:20px;box-shadow:0 4px 10px rgba(3,128,70,.25)}
  .step:nth-child(n+4) i{border-color:var(--orange);color:var(--orange)}
  .step:nth-child(n+4) i em{background:var(--orange);box-shadow:0 4px 10px rgba(251,125,0,.3)}
  .step b{display:block;font-size:15px;margin-bottom:4px}
  .step span{font-size:12px;color:var(--muted);line-height:1.45}

  /* Contact */
  .contact{background:var(--bg)}
  .contact .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
  .info-row{display:flex;gap:14px;margin-top:20px;align-items:flex-start}
  .info-row small{display:block;color:var(--muted);font-size:13px}
  .info-row b{font-size:15px}
  .qr{display:flex;flex-wrap:wrap;gap:20px;margin-top:28px}
  .qr div{text-align:center;font-size:13px;color:var(--muted)}
  .qr img{width:118px;height:118px;border-radius:10px;border:1px solid var(--line);background:#fff;padding:6px;margin-bottom:6px}
  form{background:#fff;border-radius:16px;padding:34px;box-shadow:0 14px 40px rgba(5,46,31,.07);border-top:4px solid var(--green)}
  form h3{margin-bottom:16px}
  .opts{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
  .opts label{font-size:13px;padding:7px 14px;border:1px solid var(--line);border-radius:30px;cursor:pointer;user-select:none;transition:.15s}
  .opts input{display:none}
  .opts label:has(input:checked){border-color:var(--green);background:var(--green-l);color:var(--green)}
  .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .field{margin-bottom:14px}
  .field input,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font-family:inherit;font-size:14px;background:var(--bg)}
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--green);background:#fff}
  .field textarea{height:96px;resize:vertical}
  form .btn{width:100%;justify-content:center}

  footer{background:#04241a;color:#8fb0a0;padding:54px 0 28px;font-size:14px}
  footer .top{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.08)}
  footer .logo strong{color:#fff}
  footer .logo>div{border-left-color:rgba(255,255,255,.15)}
  footer .logo small{color:#8fb0a0}
  footer h5{color:#fff;font-size:15px;margin-bottom:14px}
  footer .top a{display:block;margin-bottom:8px}
  footer .top a:hover{color:var(--orange)}
  footer .bottom{display:flex;justify-content:space-between;padding-top:22px;font-size:13px}
  footer .bottom .icp-link{color:inherit;text-decoration:none}
  footer .bottom .icp-link:hover{color:#fff;text-decoration:underline}

  /* Right floating contact dock */
  .side-dock{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:70;width:72px;background:#f7f8f9;border:1px solid #e4e7ea;border-right:none;border-radius:10px 0 0 10px;box-shadow:-6px 0 24px rgba(5,46,31,.1);display:flex;flex-direction:column;overflow:visible}
  .side-dock.is-hidden{display:none}
  .side-dock-x{position:absolute;left:-14px;top:-10px;width:24px;height:24px;border:none;border-radius:50%;background:#fff;color:#666;box-shadow:0 2px 8px rgba(0,0,0,.12);display:grid;place-items:center;cursor:pointer;z-index:2}
  .side-dock-x .ti{width:12px;height:12px}
  .side-dock-x:hover{color:var(--green)}
  .side-dock-item{position:relative}
  .side-dock-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;width:72px;min-height:72px;padding:10px 6px;border:none;border-top:1px solid #e8eaed;background:transparent;color:#4a5560;font-size:11px;line-height:1.25;text-align:center;cursor:pointer;text-decoration:none}
  .side-dock-item:first-of-type .side-dock-btn,.side-dock>.side-dock-btn:first-of-type{border-top:none}
  .side-dock-btn:hover,.side-dock-item.is-open>.side-dock-btn{background:#fff;color:var(--green)}
  .side-dock-ico{display:grid;place-items:center;width:28px;height:28px;color:inherit}
  .side-dock-ico .ti{width:24px;height:24px}
  .side-dock-pop{position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%);min-width:168px;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 36px rgba(5,46,31,.16);display:none;flex-direction:column;gap:6px;z-index:3}
  .side-dock-pop::after{content:"";position:absolute;right:-6px;top:50%;width:10px;height:10px;background:#fff;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transform:translateY(-50%) rotate(-45deg)}
  .side-dock-item.is-open .side-dock-pop,.side-dock-item:hover .side-dock-pop{display:flex}
  .side-dock-pop b{font-size:12px;color:var(--muted);font-weight:600}
  .side-dock-pop a{color:var(--green);font-weight:700;font-size:15px;text-decoration:none}
  .side-dock-pop a:hover{color:var(--orange)}
  .side-dock-link{font-size:13px !important;font-weight:600 !important;margin-top:4px}
  .side-dock-pop-qr{flex-direction:row;align-items:flex-start;gap:14px;min-width:236px;width:max-content;padding:14px}
  .side-dock-pop-qr3{min-width:320px;gap:12px}
  .side-dock-pop-qr div{flex:none;width:96px;text-align:center}
  .side-dock-pop-qr3 div{width:88px}
  .side-dock-pop-qr img{width:96px !important;height:96px !important;max-width:none !important;object-fit:contain;object-position:center;border-radius:8px;border:1px solid var(--line);display:block;margin:0 auto 6px;background:#fff;aspect-ratio:1/1}
  .side-dock-pop-qr3 img{width:88px !important;height:88px !important}
  .side-dock-pop-qr small{display:block;font-size:12px;color:var(--muted);line-height:1.3;white-space:nowrap}
  .side-dock-link-btn{appearance:none;border:none;background:none;padding:0;margin:0;color:var(--green);font-weight:700;font-size:15px;text-align:left;cursor:pointer;font-family:inherit}
  .side-dock-link-btn:hover{color:var(--orange)}
  .btn.btn-ghost{cursor:pointer;font:inherit}
  .texai-wx-modal{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:24px}
  .texai-wx-modal[hidden]{display:none !important}
  .texai-wx-modal-backdrop{position:absolute;inset:0;background:rgba(5,46,31,.45)}
  .texai-wx-modal-box{position:relative;z-index:1;background:#fff;border-radius:16px;padding:28px 24px 22px;width:min(300px,92vw);text-align:center;box-shadow:0 20px 50px rgba(0,0,0,.22)}
  .texai-wx-modal-box img{width:180px;height:180px;object-fit:contain;border:1px solid var(--line);border-radius:10px;background:#fff;margin:0 auto 12px;display:block}
  .texai-wx-modal-box b{display:block;font-size:15px;color:var(--green-d);margin-bottom:6px}
  .texai-wx-modal-box p{margin:0;font-size:14px;color:var(--muted)}
  .texai-wx-modal-x{position:absolute;right:10px;top:8px;border:none;background:transparent;font-size:22px;line-height:1;color:#888;cursor:pointer}
  .side-dock-reopen{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:70;width:40px;height:40px;border:1px solid #e4e7ea;border-right:none;border-radius:8px 0 0 8px;background:var(--green);color:#fff;display:grid;place-items:center;cursor:pointer;box-shadow:-4px 0 16px rgba(3,128,70,.25)}
  .side-dock-reopen .ti{width:20px;height:20px}
  .side-dock-reopen[hidden]{display:none !important}
  @media (max-width:720px){
    .side-dock{width:58px;border-radius:8px 0 0 8px}
    .side-dock-btn{width:58px;min-height:58px;font-size:10px;padding:8px 4px}
    .side-dock-ico .ti{width:20px;height:20px}
    .side-dock-pop-qr{flex-direction:row;min-width:212px;gap:10px;padding:12px}
    .side-dock-pop-qr div{width:88px}
    .side-dock-pop-qr img{width:88px !important;height:88px !important}
  }

  .burger{display:none;margin-left:auto;width:44px;height:44px;border:none;border-radius:8px;background:var(--green-l);cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
  .burger span{width:20px;height:2px;border-radius:2px;background:var(--green);transition:.25s}
  header.open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  header.open .burger span:nth-child(2){opacity:0}
  header.open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  @media (max-width:1180px){
    .nav{gap:20px}
    .menu>li>a{padding:26px 8px;font-size:14px}
    .menu>li>a::after{left:8px;right:8px}
  }
  @media (max-width:960px){
    .topbar{display:none}
    .nav{gap:12px;height:68px}
    .nav>.btn{display:none}
    .logo img{height:36px}
    .logo strong{font-size:18px}
    .logo small{font-size:11px;letter-spacing:1px}
    .menu{justify-content:flex-end}
    .menu>li>a{padding:23px 6px;font-size:14px}
    .menu>li>a::after{left:6px;right:6px;bottom:16px}
  }
  @media (max-width:720px){
    .nav{height:64px}
    .nav>.btn{display:none}
    .burger{display:flex}
    .menu{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0;background:#fff;box-shadow:0 14px 30px rgba(0,0,0,.12);padding:8px 16px 16px;max-height:calc(100vh - 64px);overflow:auto}
    header.open .menu{display:flex}
    .menu>li{border-bottom:1px solid var(--line)}
    .menu>li>a{padding:14px 4px;font-size:15px}
    .menu>li>a::after{display:none}
    .drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding:0 0 8px 12px;min-width:0;display:grid;grid-template-columns:1fr 1fr}
    .drop a{padding:8px 10px;font-size:13px;color:var(--muted)}
  }
  @media (max-width:1000px){
    .intro{margin-top:20px}
    .intro .card{grid-template-columns:repeat(2,minmax(0,1fr));border-radius:12px}
    .intro .lead h1{white-space:normal;font-size:18px}
    .intro .it{padding:18px}
    .home-carousel{height:clamp(300px,calc(100vh - 360px),560px)}
    .platform .wrap,.about .wrap,.contact .wrap{grid-template-columns:1fr}
    .svc,.sol-cards{grid-template-columns:1fr}
    .steps{grid-template-columns:repeat(3,1fr);row-gap:28px}.steps::before{display:none}
    .group-head{flex-direction:column;align-items:flex-start}
    .sol-card{min-height:360px}
    footer .top{grid-template-columns:1fr 1fr}
    .arrow{display:none}
  }
  @media (max-width:720px){
    .home-carousel{height:clamp(220px,calc(100vh - 440px),400px)}
    .intro{margin-top:16px}
    .intro .card{grid-template-columns:1fr}
    .intro .lead{padding:14px 18px}
    .intro .it{padding:10px 18px;gap:12px;align-items:center}
    .intro .it h3{font-size:15px;line-height:1.3}
    .intro .it p{font-size:12px;line-height:1.4}
    .intro .ico{width:38px;height:38px}
  }
  @media (min-width:1001px) and (max-width:1180px){
    .sol-cards{gap:16px}
    .sol-card{min-height:400px}
    .sol-hover{padding:22px 20px}
    .sol-hover li{font-size:12px}
  }

  /* ===== 详情页 ===== */
  .phero{padding:0;position:relative;background:radial-gradient(1200px 500px at 85% -10%,rgba(251,125,0,.22),transparent 60%),linear-gradient(135deg,var(--green-dd) 0%,#063f2a 55%,var(--green-d) 100%);color:#fff;overflow:hidden}
  .phero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(90deg,transparent,#000 70%)}
  .phero .wrap{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;padding-top:64px;padding-bottom:72px}
  .crumb{font-size:13px;color:#9cc2b0;margin-bottom:22px}
  .crumb a:hover{color:#fff}
  .crumb span{margin:0 8px;opacity:.5}
  .phero h1{font-size:42px;line-height:1.3;margin-bottom:16px}
  .phero h1 b{color:#ffb15c;white-space:nowrap}
  .phero p{color:#bfd8cc;font-size:16px;max-width:560px}
  .phero .acts{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
  .btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.04)}
  .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1)}
  .phero .pic{position:relative}
  .phero .pic img{border-radius:14px;box-shadow:0 30px 60px rgba(0,0,0,.35);border:4px solid rgba(255,255,255,.12);width:100%;aspect-ratio:16/10;object-fit:cover}
  .phero .pic .chip{position:absolute;left:-18px;bottom:-18px;background:#fff;color:var(--ink);border-radius:12px;padding:12px 18px;box-shadow:0 16px 36px rgba(0,0,0,.25);display:flex;gap:12px;align-items:center}
  .phero .pic .chip b{font-size:24px;color:var(--orange);line-height:1}
  .phero .pic .chip span{font-size:12px;color:var(--muted);line-height:1.4}

  .hero-car{border-radius:14px;box-shadow:0 30px 60px rgba(0,0,0,.35);border:4px solid rgba(255,255,255,.12)}
  .hero-car .slide{max-height:none}
  .hero-car .arrow{width:36px;height:36px;font-size:18px}
  .hero-car .arrow.prev{left:10px}.hero-car .arrow.next{right:10px}
  .hero-car .dots{bottom:12px}

  .subnav{position:sticky;top:76px;z-index:40;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 6px 16px rgba(0,0,0,.03)}
  .subnav .wrap{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none}
  .subnav a{flex:none;padding:15px 18px;font-size:14px;color:var(--muted);border-bottom:3px solid transparent;white-space:nowrap}
  .subnav a em{font-style:normal;font-weight:800;color:var(--orange);margin-right:6px}
  .subnav a:hover{color:var(--green)}
  .subnav a.on{color:var(--green);border-bottom-color:var(--green);font-weight:600}

  .dsec{padding:88px 0;scroll-margin-top:130px}
  .dsec.alt{background:var(--bg)}
  .dhead{display:flex;gap:22px;align-items:flex-start;margin-bottom:40px}
  .dhead .no{flex:none;font-size:56px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:2px var(--green);opacity:.85}
  .dhead h2{font-size:32px;line-height:1.35}
  .dhead h2 small{display:block;font-size:15px;font-weight:500;color:var(--orange);letter-spacing:1px;margin-bottom:4px}
  .dhead p{color:var(--muted);font-size:15px;margin-top:8px;max-width:860px}
  .sub-t{display:flex;align-items:center;gap:10px;font-size:22px;margin:56px 0 22px}
  .sub-t::before{content:"";width:6px;height:24px;border-radius:3px;background:var(--orange)}
  .sub-t:first-child{margin-top:0}

  .split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
  .split.rev>:first-child{order:2}
  .split.top{align-items:start}
  .txt>p{color:#33443b;font-size:15px;margin-bottom:14px}
  .txt>p strong,.hl{color:var(--green);font-weight:700}
  .txt h4{font-size:18px;margin:22px 0 10px}

  .fig{position:relative;border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 18px 44px rgba(5,46,31,.12);cursor:zoom-in}
  .fig img{width:100%;transition:transform .5s}
  .fig:hover img{transform:scale(1.03)}
  .fig figcaption{position:absolute;left:12px;top:12px;background:rgba(3,128,70,.92);color:#fff;font-size:12px;padding:4px 12px;border-radius:30px}
  .figs{display:grid;gap:18px}
  .figs.two{grid-template-columns:1fr 1fr}
  .fig video{width:100%;display:block;background:#0d1f17;aspect-ratio:16/9}
  .fig.vid{cursor:default}
  .fig.vid .vid-fallback{position:absolute}
  .fig.vid.no-video{aspect-ratio:16/9}
  .fig.vid.no-video .vid-fallback{display:flex}

  .checks{list-style:none;display:grid;gap:10px}
  .checks li{position:relative;padding:12px 16px 12px 46px;background:#fff;border:1px solid var(--line);border-radius:10px;font-size:15px}
  .checks li::before{content:"✓";position:absolute;left:14px;top:12px;width:22px;height:22px;border-radius:50%;background:var(--green);color:#fff;font-size:12px;display:grid;place-items:center;font-weight:700}
  .checks.cols{grid-template-columns:1fr 1fr}
  .alt .checks li{background:#fff}

  .pains{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
  .pain{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px;border-top:3px solid #e8584f;transition:.2s}
  .pain:hover{box-shadow:0 12px 28px rgba(0,0,0,.06);transform:translateY(-2px)}
  .pain h5{font-size:16px;margin-bottom:6px;display:flex;gap:10px;align-items:center}
  .pain h5 i{font-style:normal;font-size:12px;font-weight:800;color:#e8584f;background:#fdecea;border-radius:6px;padding:2px 7px}
  .pain p{font-size:14px;color:var(--muted)}

  .feats{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
  .feat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;transition:.2s}
  .feat:hover{border-color:var(--green);box-shadow:0 12px 28px rgba(3,128,70,.08)}
  .feat i{font-style:normal;display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--green-l);color:var(--green);font-weight:800;font-size:14px;margin-bottom:10px}
  .feat h5{font-size:16px;margin-bottom:6px}
  .feat p{font-size:14px;color:var(--muted)}
  .feat.o i{background:var(--orange-l);color:var(--orange)}
  .feat:not(:has(h5)){display:flex;gap:14px;align-items:center;padding:14px 18px}
  .feat:not(:has(h5)) i{margin:0;flex:none}
  .feat:not(:has(h5)) p{color:var(--ink)}

  .kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:30px 0}
  .kpi{background:linear-gradient(135deg,var(--green),var(--green-d));color:#fff;border-radius:14px;padding:22px}
  .kpi:nth-child(even){background:linear-gradient(135deg,#ff9a2e,var(--orange))}
  .kpi b{display:block;font-size:34px;line-height:1.1}
  .kpi b small{font-size:15px;margin-left:2px}
  .kpi span{font-size:13px;opacity:.85}

  .callout{background:var(--green-l);border-left:4px solid var(--green);border-radius:0 12px 12px 0;padding:20px 24px;font-size:15px;color:#24382e;margin:20px 0}
  .callout.o{background:var(--orange-l);border-left-color:var(--orange)}
  .callout b{color:var(--green)}
  .callout.o b{color:var(--orange)}

  .compare{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:30px}
  .compare>div{border-radius:14px;padding:26px}
  .compare .before{background:#fff;border:1px dashed #d9c9c7}
  .compare .after{background:var(--green);color:#fff}
  .compare h5{font-size:15px;margin-bottom:8px;display:flex;gap:8px;align-items:center}
  .compare .before h5{color:#c0463e}
  .compare p{font-size:14px}
  .compare .before p{color:var(--muted)}
  .compare .after p{color:#d6ece0}

  .tags{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
  .tags span{font-size:13px;padding:5px 14px;border-radius:30px;background:#fff;border:1px solid var(--line);color:var(--green-d)}
  .tags.o span{border-color:#ffd6ad;color:#b85a00;background:var(--orange-l)}

  .scn{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-bottom:22px}
  .scn>header{position:static;box-shadow:none;background:var(--green-l);padding:18px 26px;display:flex;gap:14px;align-items:center}
  .scn>header i{font-style:normal;width:36px;height:36px;border-radius:10px;background:var(--green);color:#fff;display:grid;place-items:center;font-weight:800;flex:none}
  .scn>header h4{font-size:18px}
  .scn>header p{font-size:13px;color:var(--muted)}
  .scn .items{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}
  .scn .item{padding:22px 26px;border-top:1px solid var(--line);border-right:1px solid var(--line)}
  .scn .item h5{font-size:15px;margin-bottom:6px;display:flex;gap:8px}
  .scn .item h5 em{font-style:normal;color:var(--orange);flex:none}
  .scn .item p{font-size:14px;color:var(--muted)}
  .scn .item .val{margin-top:10px;font-size:13px;color:var(--green-d);background:var(--green-l);border-radius:8px;padding:8px 12px}
  .scn .item .val::before{content:"价值　";font-weight:700;color:var(--green)}

  .flowline{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;counter-reset:f}
  .flowline div{counter-increment:f;position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 18px 18px}
  .flowline div::before{content:counter(f,decimal-leading-zero);display:block;font-size:26px;font-weight:800;color:var(--green);line-height:1;margin-bottom:10px}
  .flowline div:nth-child(n+4)::before{color:var(--orange)}
  .flowline b{display:block;font-size:15px;margin-bottom:4px}
  .flowline span{font-size:13px;color:var(--muted)}

  .cta{background:linear-gradient(120deg,var(--green-d),var(--green));color:#fff;padding:60px 0}
  .cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
  .cta h3{font-size:28px}
  .cta p{color:#cfe8dc;font-size:15px;margin-top:4px}
  .cta .acts{display:flex;gap:12px;flex-wrap:wrap}

  .related{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .related a{position:relative;display:block;border-radius:14px;overflow:hidden;background:#fff;border:1px solid var(--line);transition:.2s}
  .related a:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(5,46,31,.1)}
  .related img{width:100%;aspect-ratio:16/9;object-fit:cover;object-position:left}
  .related div{padding:16px 20px}
  .related b{display:block;font-size:16px}
  .related span{font-size:13px;color:var(--muted)}

  .lightbox{position:fixed;inset:0;z-index:100;background:rgba(4,20,14,.88);display:none;place-items:center;padding:40px;cursor:zoom-out}
  .lightbox.on{display:grid}
  .lightbox-frame{position:relative;max-width:100%;max-height:100%;line-height:0}
  .lightbox-frame img{max-width:100%;max-height:calc(100vh - 80px);border-radius:10px;box-shadow:0 30px 80px rgba(0,0,0,.5)}

  /* Brand watermark — content photos only (not QR / logos) */
  .fig::after,
  .phero .pic::after,
  .shots::after,
  .slide::after,
  .sol-face::before,
  .related a::after,
  .lightbox-frame::after{
    content:"";
    position:absolute;
    z-index:6;
    pointer-events:none;
    width:56px;height:56px;
    right:12px;bottom:12px;
    background:url(../images/logo-mark.png) center/contain no-repeat;
    opacity:.58;
    filter:drop-shadow(0 2px 6px rgba(0,0,0,.4));
  }
  .phero .pic::after{width:72px;height:72px;right:16px;bottom:16px;opacity:.62}
  .slide::after{width:68px;height:68px;right:20px;bottom:28px;opacity:.55}
  .sol-face::before{width:42px;height:42px;right:14px;top:14px;bottom:auto;opacity:.65;z-index:2}
  .related a::after{width:40px;height:40px;right:10px;top:10px;bottom:auto}
  .shots::after{width:48px;height:48px;right:8px;bottom:68px}
  .lightbox-frame::after{width:72px;height:72px;right:18px;bottom:18px;opacity:.7}
  .fig.vid::after{bottom:48px}
  @media (max-width:720px){
    .fig::after,.phero .pic::after,.slide::after,.shots::after,.lightbox-frame::after{width:40px;height:40px;right:10px;bottom:10px}
    .sol-face::before,.related a::after{width:32px;height:32px;right:8px;top:8px}
  }

  @media (max-width:960px){ .subnav{top:68px} }
  @media (max-width:720px){ .subnav{top:64px} }
  @media (max-width:1000px){
    .phero .wrap,.split,.compare,.figs.two{grid-template-columns:1fr}
    .split.rev>:first-child{order:0}
    .phero h1{font-size:32px}
    .phero .pic .chip{left:12px}
    .kpis{grid-template-columns:1fr 1fr}
    .checks.cols{grid-template-columns:1fr}
    .related{grid-template-columns:1fr}
    .dsec{padding:64px 0}
    .dhead .no{font-size:40px}
    .dhead h2{font-size:26px}
  }

/* ===== WordPress / polish ===== */
html{scroll-behavior:smooth}
body.admin-bar header{top:32px}
body.admin-bar .subnav{top:calc(76px + 32px)}
@media screen and (max-width:782px){
  body.admin-bar header{top:46px}
  body.admin-bar .subnav{top:calc(68px + 46px)}
}
.screen-reader-text{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.footer-desc{margin-top:14px;max-width:280px;line-height:1.7}
.related-sec{background:var(--bg);padding-top:72px;padding-bottom:72px}
.related-sec .sec-head{margin-bottom:32px}
.contact-form{min-width:0}
.form-hint{margin:-8px 0 16px;font-size:12px;color:var(--muted,#888)}
.form-msg{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}
.form-msg.ok{background:var(--green-l);color:var(--green-d);border:1px solid #b7dfc8}
.form-msg.err{background:#fdecea;color:#b42318;border:1px solid #f5c2c0}
.wrap.narrow{max-width:820px}
.page-default .entry{background:#fff;border:1px solid var(--line);border-radius:16px;padding:40px 44px}
.page-default .entry .title{font-size:32px;margin-bottom:20px}
.entry-content > * + *{margin-top:1em}
.entry-content ul,.entry-content ol{padding-left:1.4em}
.aligncenter{display:block;margin-left:auto;margin-right:auto}
.wp-caption{max-width:100%}

/* 更规整：统一区块节奏 */
section{padding:88px 0}
.dsec{padding:80px 0}
.dsec.alt{background:var(--bg)}
.group{margin-bottom:56px}
.content{padding:36px 40px}
.checks li,.feat,.pain,.flowline div{border-radius:12px}
.cta .btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.06)}
.cta .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.12)}

@media (max-width:1000px){
  section,.dsec{padding:64px 0}
  .content{padding:28px 24px}
  .page-default .entry{padding:28px 22px}
  body.admin-bar .subnav{top:calc(64px + 46px)}
}