/* 上海恒义包装 · 官网样式 */
/* ============ TOKENS ============ */
  :root{
    --paper:#F4F0E9;
    --paper-2:#EAE4D9;
    --paper-3:#E1D9CB;
    --ink:#1B1916;
    --ink-2:#4B453C;
    --muted:#8A8277;
    --green:#2F4038;
    --green-d:#23302A;
    --brown:#6E4A31;
    --kraft:#C9A578;
    --kraft-l:#DBBE97;
    --line:rgba(27,25,22,.13);
    --line-w:rgba(244,240,233,.16);
    --max:1300px;
    --pad:clamp(20px,4.4vw,60px);
    --sec:clamp(64px,8.2vw,118px);
    --serif:"Songti SC","STSong","SimSun","宋体",Georgia,serif;
    --sans:-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    --mono:"SF Mono","JetBrains Mono","Cascadia Mono",Menlo,Consolas,monospace;
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    background:var(--paper);color:var(--ink);
    font-family:var(--sans);font-size:15px;line-height:1.85;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  ul{list-style:none;}
  .wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad);}
  .sec{padding:var(--sec) 0;}
  .hair{height:1px;background:var(--line);border:0;}

  /* 纸张颗粒 */
  body::after{
    content:"";position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:.22;
    background-image:repeating-linear-gradient(45deg,rgba(27,25,22,.035) 0 1px,transparent 1px 5px);
    mix-blend-mode:multiply;
  }

  /* ============ TYPE ============ */
  .eyebrow{
    font-family:var(--mono);font-size:10.5px;letter-spacing:.24em;
    text-transform:uppercase;color:var(--muted);
    display:flex;align-items:center;gap:12px;
  }
  .eyebrow::before{content:"";width:26px;height:1px;background:currentColor;opacity:.5;}
  h1,h2,h3,h4{font-family:var(--serif);font-weight:700;letter-spacing:.005em;}
  h1{font-size:clamp(1.85rem,3.72vw,3.42rem);line-height:1.16;}
  h2{font-size:clamp(1.55rem,2.9vw,2.55rem);line-height:1.3;}
  h3{font-size:1.06rem;line-height:1.5;font-weight:700;}
  .lede{color:var(--ink-2);font-size:15.5px;line-height:2;max-width:44ch;}
  .dim{color:var(--muted);}
  .mono{font-family:var(--mono);}
  .num{font-family:var(--mono);font-variant-numeric:tabular-nums;}

  .sec-head{
    display:flex;justify-content:space-between;align-items:flex-end;
    gap:32px;flex-wrap:wrap;padding-bottom:26px;border-bottom:1px solid var(--ink);
    margin-bottom:clamp(36px,4vw,56px);
  }
  .sec-head .idx{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.16em;margin-bottom:12px;}
  .sec-head p{color:var(--ink-2);font-size:14px;max-width:38ch;line-height:1.9;}

  /* ============ BUTTONS ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:10px;
    height:50px;padding:0 28px;font-size:13.5px;letter-spacing:.03em;
    border-radius:2px;cursor:pointer;border:1px solid transparent;
    transition:transform .28s cubic-bezier(.2,.7,.2,1),background .28s,color .28s,border-color .28s;
    font-family:var(--sans);
  }
  .btn-primary{background:var(--ink);color:var(--paper);}
  .btn-primary:hover{transform:translateY(-2px);background:var(--green);}
  .btn-ghost{border-color:var(--ink);color:var(--ink);}
  .btn-ghost:hover{background:var(--ink);color:var(--paper);}
  .btn-light{background:var(--paper);color:var(--ink);}
  .btn-light:hover{transform:translateY(-2px);background:var(--kraft-l);}
  .btn-outline-l{border-color:rgba(244,240,233,.4);color:var(--paper);}
  .btn-outline-l:hover{background:var(--paper);color:var(--ink);border-color:var(--paper);}
  .btn i{font-style:normal;transition:transform .3s;}
  .btn:hover i{transform:translateX(4px);}
  .link-arrow{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;
    border-bottom:1px solid var(--line);padding-bottom:3px;transition:border-color .3s,gap .3s;
  }
  .link-arrow:hover{border-color:var(--ink);gap:12px;}

  /* ============ NAV ============ */
  .nav{
    position:sticky;top:0;z-index:90;
    background:rgba(244,240,233,.9);
    backdrop-filter:saturate(180%) blur(16px);
    border-bottom:1px solid var(--line);
  }
  .nav-in{
    max-width:var(--max);margin:0 auto;padding:0 var(--pad);
    height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px;
    position:relative;
  }
  .brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
  .brand .mk{width:26px;height:26px;border:1.5px solid var(--ink);position:relative;}
  .brand .mk::after{content:"";position:absolute;inset:5px;border:1.5px solid var(--green);}
  .brand b{font-family:var(--serif);font-size:18px;letter-spacing:.16em;font-weight:700;}
  .brand small{display:block;font-family:var(--mono);font-size:8px;letter-spacing:.3em;color:var(--muted);margin-top:-2px;}
  .nav-links{display:flex;gap:26px;font-size:13.5px;}
  .nav-links a{position:relative;padding:4px 0;color:var(--ink-2);transition:color .25s;}
  .nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--ink);transition:width .3s cubic-bezier(.2,.7,.2,1);}
  .nav-links a:hover{color:var(--ink);}
  .nav-links a:hover::after{width:100%;}
  .nav-right{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
  .lang{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--muted);border:1px solid var(--line);padding:5px 9px;border-radius:2px;transition:all .25s;}
  .lang:hover{color:var(--ink);border-color:var(--ink);}
  .nav-tel{font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;color:var(--ink);}
  .nav .btn{height:40px;padding:0 20px;font-size:12.5px;}

  .burger span{display:block;width:18px;height:1.5px;background:var(--ink);transition:.3s;}

  /* ============ HERO ============ */
  .hero{padding:clamp(40px,5.4vw,80px) 0 clamp(28px,3.6vw,46px);position:relative;}
  .hero-grid{min-height:min(62vh,560px);}
  .hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(24px,4vw,60px);align-items:center;}
  .hero h1{margin-top:26px;}
  .hero h1 em{font-style:normal;color:var(--green);}
  .hero h1 .thin{font-weight:400;}
  .hero .lede{margin-top:26px;}
  .hero-cta{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap;}
  .hero-note{
    margin-top:26px;padding-top:18px;border-top:1px solid var(--line);
    font-size:12.5px;color:var(--muted);font-family:var(--mono);letter-spacing:.02em;
    display:flex;gap:8px 22px;flex-wrap:wrap;
  }
  .hero-note b{color:var(--ink);font-weight:500;}
  .hero-art{display:flex;justify-content:center;}
  .hero-art svg{width:100%;max-width:600px;height:auto;}

  /* 信任条 */
  .tstrip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:clamp(30px,4vw,56px);}
  .tstrip-in{max-width:var(--max);margin:0 auto;padding:0 var(--pad);display:grid;grid-template-columns:repeat(4,1fr);}
  .tstrip-in div{padding:22px 0;border-right:1px solid var(--line);padding-left:26px;}
  .tstrip-in div:first-child{padding-left:0;}
  .tstrip-in div:last-child{border-right:0;}
  .tstrip .k{font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;color:var(--muted);margin-bottom:1px;line-height:1.6;}
  .tstrip .v{font-size:13.5px;color:var(--ink);line-height:1.5;}
  .tstrip .v b{font-family:var(--mono);font-size:16px;font-weight:500;}

  /* ============ 三条业务线 ============ */
  .biz{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);}
  .biz a{
    padding:clamp(28px,3.4vw,44px) clamp(20px,2.6vw,34px);
    border-right:1px solid var(--line);
    display:flex;flex-direction:column;min-height:300px;
    transition:background .45s;position:relative;
  }
  .biz a:last-child{border-right:0;}
  .biz a:hover{background:var(--paper-2);}
  .biz .no{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;color:var(--muted);}
  .biz h3{font-size:clamp(1.15rem,1.7vw,1.42rem);margin-top:22px;letter-spacing:.02em;}
  .biz p{font-size:13.5px;color:var(--ink-2);line-height:1.9;margin-top:12px;flex:1;}
  .biz .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px;}
  .biz .tags span{
    font-size:11px;padding:3px 9px;border:1px solid var(--line);border-radius:2px;color:var(--ink-2);
  }
  .biz .go{margin-top:22px;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;display:flex;align-items:center;gap:8px;color:var(--green);}
  .biz .go i{font-style:normal;transition:transform .3s;}
  .biz a:hover .go i{transform:translateX(5px);}
  .biz .art{position:absolute;right:18px;top:26px;width:74px;height:74px;opacity:.5;}

  /* ============ 优势 ============ */
  .adv{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
  .adv-item{background:var(--paper);padding:clamp(24px,2.6vw,32px) clamp(18px,2.2vw,26px);transition:background .4s;}
  .adv-item:hover{background:var(--paper-2);}
  .adv-item svg{width:26px;height:26px;margin-bottom:20px;stroke:var(--green);}
  .adv-item h4{font-size:14.5px;font-family:var(--sans);font-weight:600;letter-spacing:.01em;}
  .adv-item p{font-size:12.5px;color:var(--muted);line-height:1.8;margin-top:8px;}
  .adv-cta{background:var(--ink);color:var(--paper);display:flex;flex-direction:column;justify-content:space-between;}
  .adv-cta h4{font-family:var(--serif);font-size:1.15rem;font-weight:700;line-height:1.45;}
  .adv-cta a{margin-top:20px;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;color:var(--kraft);display:inline-flex;align-items:center;gap:8px;}
  .adv-cta:hover{background:var(--green);}

  /* ============ 产品速览 ============ */
  .prod{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
  .prod a{background:var(--paper);padding:26px 22px 24px;display:flex;flex-direction:column;transition:background .4s;position:relative;}
  .prod a:hover{background:var(--paper-2);}
  /* 产品图区：统一 4:3 图位，线稿与实拍图共用同一块地方 */
  .prod .ic{
    aspect-ratio:4/3;
    margin:-26px -22px 20px;
    background:#F8F5EF;
    display:flex;align-items:center;justify-content:center;
    overflow:hidden;position:relative;
  }
  .prod .ic svg{height:62%;width:auto;max-width:70%;}
  .prod .ic img{width:100%;height:100%;object-fit:cover;display:block;}
  .prod h4{font-size:14.5px;font-weight:600;display:flex;justify-content:space-between;align-items:baseline;gap:8px;}
  .prod h4 small{font-family:var(--mono);font-size:9px;letter-spacing:.12em;color:var(--muted);font-weight:400;}
  .prod p{font-size:12.5px;color:var(--muted);line-height:1.75;margin-top:7px;flex:1;}
  .prod .moq{font-family:var(--mono);font-size:10.5px;color:var(--brown);letter-spacing:.04em;margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);}

  /* ============ 云仓（深色） ============ */
  .cloud{background:var(--green);color:var(--paper);padding:var(--sec) 0;position:relative;overflow:hidden;}
  .cloud::before{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;
    background-image:
      linear-gradient(to right,rgba(244,240,233,.05) 1px,transparent 1px),
      linear-gradient(to bottom,rgba(244,240,233,.05) 1px,transparent 1px);
    background-size:76px 76px;
    mask-image:radial-gradient(ellipse 80% 70% at 70% 20%,#000 20%,transparent 85%);
  }
  .cloud .wrap{position:relative;}
  .cloud .sec-head{border-color:rgba(244,240,233,.45);}
  .cloud .sec-head .idx,.cloud .sec-head p{color:rgba(244,240,233,.62);}
  .cloud .eyebrow{color:rgba(244,240,233,.6);}
  .cloud h2{color:var(--paper);}
  .cloud h2 em{font-style:normal;color:var(--kraft-l);}
  .cloud-grid{display:grid;grid-template-columns:1fr 1.06fr;gap:clamp(32px,5vw,72px);align-items:start;}
  .cloud .lede{color:rgba(244,240,233,.78);}
  .cloud-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(244,240,233,.18);border:1px solid rgba(244,240,233,.18);margin-top:36px;}
  .cloud-stats div{background:var(--green);padding:20px 16px;}
  .cloud-stats .n{font-family:var(--mono);font-size:clamp(.9rem,1.45vw,1.1rem);font-weight:500;letter-spacing:-.01em;white-space:nowrap;}
  .cloud-stats .u{color:var(--kraft-l);}
  .cloud-stats .l{font-size:11px;color:rgba(244,240,233,.6);margin-top:6px;letter-spacing:.04em;}

  .cmp{width:100%;border-collapse:collapse;font-size:12.5px;}
  .cmp th,.cmp td{padding:13px 14px;text-align:left;vertical-align:top;border-bottom:1px solid rgba(244,240,233,.16);}
  .cmp thead th{
    font-family:var(--mono);font-size:10px;letter-spacing:.14em;font-weight:400;
    color:rgba(244,240,233,.55);padding-bottom:9px;border-bottom:1px solid rgba(244,240,233,.35);
  }
  .cmp thead th:last-child{color:var(--kraft-l);}
  .cmp td:first-child{color:rgba(244,240,233,.62);width:26%;}
  .cmp td{color:rgba(244,240,233,.82);}
  .cmp td:last-child{color:var(--paper);}
  .cmp tr:last-child td{border-bottom:0;}
  .cmp .yes{color:var(--kraft-l);}
  .cmp-note{margin-top:16px;font-size:11px;line-height:1.8;color:rgba(244,240,233,.5);}
  .cloud-cta{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap;}

  /* ============ 流程 ============ */
  .flow{display:grid;grid-template-columns:repeat(6,1fr);gap:0;border-top:1px solid var(--line);}
  .step{padding:26px 18px 0 0;border-right:1px solid var(--line);position:relative;}
  .step:last-child{border-right:0;}
  .step .dot{
    width:9px;height:9px;border-radius:50%;background:var(--ink);position:absolute;top:-5px;left:0;
  }
  .step .no{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;color:var(--muted);}
  .step h4{font-size:14px;margin-top:10px;font-family:var(--sans);font-weight:600;}
  .step p{font-size:12px;color:var(--muted);line-height:1.75;margin-top:7px;}
  .step .t{font-family:var(--mono);font-size:10.5px;color:var(--brown);margin-top:10px;}
  .flow-sub{margin-top:34px;padding-top:26px;border-top:1px dashed var(--line);display:flex;align-items:center;gap:24px;flex-wrap:wrap;}
  .flow-sub .lab{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--green);flex:0 0 auto;}
  .flow-sub .chain{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:12.5px;color:var(--ink-2);}
  .flow-sub .chain span{padding:4px 11px;background:var(--paper-3);border-radius:2px;color:var(--ink);}
  .flow-sub .chain i{font-style:normal;color:var(--muted);font-size:11px;}

  /* ============ 行业 ============ */
  .ind{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
  .ind a{background:var(--paper);padding:24px 20px;transition:background .4s;display:block;}
  .ind a:hover{background:var(--paper-2);}
  .ind .ic{font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--muted);}
  .ind h4{font-size:15px;margin-top:12px;font-family:var(--serif);font-weight:700;}
  .ind p{font-size:12px;color:var(--muted);margin-top:6px;line-height:1.7;}
  .ind a:last-child{background:var(--ink);color:var(--paper);}
  .ind a:last-child p{color:rgba(244,240,233,.6);}
  .ind a:last-child:hover{background:var(--green);}

  /* ============ 案例 ============ */
  .cases{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,26px);}
  .case{display:block;}
  .case .ph{
    aspect-ratio:4/3;background:var(--paper-3);border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
    transition:transform .5s cubic-bezier(.2,.7,.2,1);
  }
  .case:hover .ph{transform:translateY(-4px);}
  .case .ph svg{width:64%;height:auto;}
  .case .ph img{width:100%;height:100%;object-fit:cover;display:block;}
  .case .ph .tag{
    position:absolute;left:10px;top:10px;font-family:var(--mono);font-size:9px;
    letter-spacing:.12em;color:var(--muted);background:rgba(244,240,233,.85);padding:3px 7px;border-radius:2px;
  }
  .case .cap{margin-top:14px;display:flex;flex-direction:column;gap:4px;}
  .case h4{font-size:14px;font-family:var(--sans);font-weight:600;}
  .case .meta{font-family:var(--mono);font-size:10.5px;color:var(--muted);letter-spacing:.04em;text-align:left;}

  /* ============ 工厂 ============ */
  .factory{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(30px,4.5vw,64px);align-items:start;}
  .eqlist{border-top:1px solid var(--line);margin-top:28px;}
  .eqlist div{
    display:flex;justify-content:space-between;align-items:baseline;gap:16px;
    padding:15px 0;border-bottom:1px solid var(--line);
  }
  .eqlist .n{font-size:13.5px;}
  .eqlist .n small{display:block;font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;color:var(--muted);margin-top:2px;}
  .eqlist .v{font-family:var(--mono);font-size:11.5px;color:var(--muted);text-align:right;flex:0 0 auto;}
  .eqlist .v b{color:var(--brown);font-weight:500;}

  .photo{
    background:var(--paper-3);border:1px solid var(--line);position:relative;
    display:flex;align-items:center;justify-content:center;overflow:hidden;
  }
  .photo .ph-tag{
    position:absolute;left:0;bottom:0;font-family:var(--mono);font-size:9px;letter-spacing:.14em;
    color:var(--ink-2);background:rgba(244,240,233,.9);padding:5px 9px;border-top:1px solid var(--line);border-right:1px solid var(--line);
  }
  .photo svg{width:100%;height:auto;}

  /* ============ 询盘 ============ */
  .contact{background:var(--green-d);color:var(--paper);padding:var(--sec) 0;}
  .contact .sec-head{border-color:rgba(244,240,233,.45);}
  .contact .sec-head .idx,.contact .sec-head p{color:rgba(244,240,233,.6);}
  .contact h2{color:var(--paper);}
  .contact-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:clamp(32px,5vw,72px);align-items:start;}
  .contact .lede{color:rgba(244,240,233,.75);}
  .clist{margin-top:34px;border-top:1px solid rgba(244,240,233,.2);}
  .clist div{display:flex;gap:16px;padding:15px 0;border-bottom:1px solid rgba(244,240,233,.14);align-items:baseline;}
  .clist .k{font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:rgba(244,240,233,.45);flex:0 0 62px;}
  .clist .v{font-size:13.5px;color:var(--paper);}
  .clist .v small{display:block;font-size:11px;color:rgba(244,240,233,.45);margin-top:2px;}

  form.qf{display:grid;grid-template-columns:1fr 1fr;gap:16px 18px;}
  .fld{display:flex;flex-direction:column;gap:7px;}
  .fld.full{grid-column:1 / -1;}
  .fld label{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:rgba(244,240,233,.55);}
  .fld label i{font-style:normal;color:var(--kraft-l);}
  .fld input,.fld select,.fld textarea{
    background:rgba(244,240,233,.06);border:1px solid rgba(244,240,233,.22);
    color:var(--paper);font-family:var(--sans);font-size:13.5px;
    padding:12px 13px;border-radius:2px;outline:none;width:100%;
    transition:border-color .25s,background .25s;-webkit-appearance:none;appearance:none;
  }
  .fld select{
    background-image:linear-gradient(45deg,transparent 50%,rgba(244,240,233,.6) 50%),linear-gradient(135deg,rgba(244,240,233,.6) 50%,transparent 50%);
    background-position:calc(100% - 17px) 50%,calc(100% - 12px) 50%;
    background-size:5px 5px,5px 5px;background-repeat:no-repeat;
  }
  .fld option{background:var(--green-d);color:var(--paper);}
  .fld input::placeholder,.fld textarea::placeholder{color:rgba(244,240,233,.32);}
  .fld input:focus,.fld select:focus,.fld textarea:focus{border-color:var(--kraft-l);background:rgba(244,240,233,.1);}
  .fld textarea{resize:vertical;min-height:84px;line-height:1.7;}
  .fld .hint{font-size:10.5px;color:rgba(244,240,233,.4);letter-spacing:.02em;}
  .qsubmit{grid-column:1 / -1;display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:8px;}
  .qsubmit p{font-size:11px;color:rgba(244,240,233,.42);max-width:32ch;line-height:1.7;}
  .btn-inquiry{
    background:var(--kraft-l);color:var(--ink);border:0;
    font-weight:600;letter-spacing:.02em;min-width:168px;
    box-shadow:0 10px 24px -12px rgba(201,165,120,.55);
  }
  .btn-inquiry:hover{transform:translateY(-2px);background:#E2C49A;}
  .btn-inquiry:disabled{opacity:.65;transform:none;cursor:wait;}
  .form-msg{grid-column:1 / -1;font-size:13px;display:none;padding:10px 12px;border-radius:2px;}
  .form-msg.ok{display:block;color:#E8F0E6;background:rgba(201,165,120,.16);border:1px solid rgba(201,165,120,.35);}
  .form-msg.err{display:block;color:#F0D0C4;background:rgba(226,160,139,.12);border:1px solid rgba(226,160,139,.35);}
  .form-ok{
    grid-column:1 / -1;margin-top:4px;padding:22px 20px;
    border:1px solid rgba(201,165,120,.45);background:rgba(201,165,120,.12);border-radius:2px;
  }
  .form-ok strong{display:block;font-size:16px;color:var(--kraft-l);margin-bottom:8px;}
  .form-ok p{font-size:13px;color:rgba(244,240,233,.78);line-height:1.7;margin:0 0 14px;}
  .btn-ghost-l{
    background:transparent;color:var(--paper);border:1px solid rgba(244,240,233,.35);
    padding:10px 14px;border-radius:2px;cursor:pointer;font-size:12.5px;
  }
  .btn-ghost-l:hover{border-color:var(--kraft-l);color:var(--kraft-l);}
  form.qf.is-sent .fld,
  form.qf.is-sent .qsubmit,
  form.qf.is-sent .form-msg{display:none;}
  form.qf.is-sent .form-ok{display:block;}

  /* ============ FOOTER ============ */
  footer{background:var(--ink);color:rgba(244,240,233,.6);padding:64px 0 30px;font-size:12.5px;}
  .fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
  footer .brand b{color:var(--paper);}
  footer .brand .mk{border-color:rgba(244,240,233,.45);}
  footer .brand .mk::after{border-color:var(--kraft);}
  footer h5{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:rgba(244,240,233,.4);font-weight:400;margin-bottom:16px;}
  footer ul li{padding:6px 0;}
  footer ul li a:hover{color:var(--paper);}
  .faddr{margin-top:18px;line-height:2;}
  .fbot{
    margin-top:52px;padding-top:22px;border-top:1px solid rgba(244,240,233,.12);
    display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
    font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;color:rgba(244,240,233,.32);
  }

  /* ============ 悬浮入口（默认弱化，滚过首屏再显眼） ============ */
  .dock{
    position:fixed;right:18px;bottom:22px;z-index:95;
    display:flex;flex-direction:column;gap:8px;
    opacity:.42;transform:translateY(6px);
    transition:opacity .35s ease,transform .35s ease;
    pointer-events:none;
  }
  .dock.is-on{
    opacity:.88;transform:none;pointer-events:auto;
  }
  .dock a{
    width:42px;height:42px;border-radius:50%;
    background:rgba(47,64,56,.78);color:var(--paper);
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 4px 14px -8px rgba(27,25,22,.35);
    border:1px solid rgba(244,240,233,.12);
    backdrop-filter:blur(8px);
    transition:transform .25s,background .25s,opacity .25s;position:relative;
  }
  .dock a:hover{transform:translateY(-2px);background:var(--green);opacity:1;}
  .dock a.main{background:rgba(122,92,58,.72);}
  .dock a.main:hover{background:var(--brown);}
  .dock a.to-top{background:rgba(47,64,56,.55);}
  .dock svg{width:17px;height:17px;stroke:currentColor;}
  .dock .tip{
    position:absolute;right:52px;top:50%;transform:translateY(-50%);
    background:rgba(27,25,22,.88);color:var(--paper);font-size:11px;padding:4px 9px;border-radius:2px;
    white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s;
  }
  .dock a:hover .tip{opacity:1;}

  @media (max-width:1080px){
    .nav-in{flex-wrap:wrap;height:auto;padding-top:12px;padding-bottom:0;row-gap:0;}
    .brand{order:1;}
    .nav-right{order:2;margin-left:auto;}
    .nav-links{
      order:3;flex:0 0 100%;display:flex;overflow-x:auto;
      gap:20px;font-size:13px;padding:10px 0 12px;
      scrollbar-width:none;-ms-overflow-style:none;
    }
    .nav-links::-webkit-scrollbar{display:none;}
    .nav-links a{white-space:nowrap;}
    .nav-tel{display:none;}
    .burger{display:flex;position:absolute;right:var(--pad);top:50%;transform:translateY(-50%);}
    .hero-grid{grid-template-columns:1fr;}
    .hero-art{order:-1;}
    .hero-art svg{max-width:400px;}
    .biz{grid-template-columns:1fr;}
    .biz a{border-right:0;border-bottom:1px solid var(--line);min-height:auto;}
    .biz a:last-child{border-bottom:0;}
    .adv{grid-template-columns:repeat(2,1fr);}
    .prod{grid-template-columns:repeat(2,1fr);}
    .cloud-grid,.factory,.contact-grid{grid-template-columns:1fr;}
    .flow{grid-template-columns:repeat(3,1fr);}
    .step:nth-child(3){border-right:0;}
    .ind{grid-template-columns:repeat(2,1fr);}
    .cases{grid-template-columns:1fr;}
    .fgrid{grid-template-columns:1fr 1fr;}
    .tstrip-in{grid-template-columns:repeat(2,1fr);}
    .tstrip-in div:nth-child(2){border-right:0;}
    .tstrip-in div{padding-left:0;}
    .tstrip-in div:nth-child(n+3){border-top:1px solid var(--line);}
  }
  @media (max-width:640px){
    body{font-size:14.5px;}
    .nav-in{height:62px;}
    .hero{padding-top:26px;}
    .adv{grid-template-columns:1fr;}
    .prod{grid-template-columns:1fr;}
    .flow{grid-template-columns:1fr 1fr;}
    .step{border-right:0;border-bottom:1px solid var(--line);padding:22px 0 18px;}
    .step:last-child{border-bottom:0;}
    .step .dot{position:static;display:inline-block;margin-right:8px;vertical-align:middle;}
    .ind{grid-template-columns:1fr;}
    form.qf{grid-template-columns:1fr;}
    .fgrid{grid-template-columns:1fr;}
    .dock{right:14px;bottom:14px;flex-direction:row;gap:8px;}
    .dock a{width:40px;height:40px;}
    .dock .tip{display:none;}
    .sec-head{padding-bottom:18px;margin-bottom:28px;}
    .cloud-stats{grid-template-columns:1fr;}
    .cmp{font-size:11.5px;}
    .cmp th,.cmp td{padding:10px 8px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;}
    html{scroll-behavior:auto;}
  }
  /* ============ 滚动显现 / 状态补充 ============ */
  .reveal{opacity:0;transform:translateY(16px);transition:opacity .75s cubic-bezier(.2,.7,.2,1),transform .75s cubic-bezier(.2,.7,.2,1);}
  .reveal.in{opacity:1;transform:none;}
  .adv-item.reveal:nth-child(2){transition-delay:.05s;}
  .adv-item.reveal:nth-child(3){transition-delay:.1s;}
  .adv-item.reveal:nth-child(4){transition-delay:.15s;}
  .adv-item.reveal:nth-child(6){transition-delay:.05s;}
  .adv-item.reveal:nth-child(7){transition-delay:.1s;}
  .adv-item.reveal:nth-child(8){transition-delay:.15s;}

  .fld input[type="file"]{padding:9px 11px;font-size:11.5px;color:rgba(244,240,233,.62);cursor:pointer;}
  .fld input[type="file"]::file-selector-button{
    background:rgba(244,240,233,.14);color:var(--paper);border:0;
    padding:6px 12px;border-radius:2px;margin-right:11px;font-size:11.5px;
    cursor:pointer;font-family:var(--sans);
  }
  .fld input[type="file"]::file-selector-button:hover{background:rgba(244,240,233,.24);}
  .fld input[type="date"]::-webkit-calendar-picker-indicator{filter:invert(.75);cursor:pointer;}
  .adv-cta a i{font-style:normal;transition:transform .3s;}
  .adv-cta:hover a i{transform:translateX(4px);}
  .btn:disabled{opacity:.6;cursor:progress;}

  @media (max-width:1080px){
    .nav-links.open{
      display:flex;flex-direction:column;position:absolute;left:0;right:0;top:100%;
      background:var(--paper);border-bottom:1px solid var(--line);border-top:1px solid var(--line);
      padding:8px var(--pad) 16px;gap:0;
      box-shadow:0 18px 30px -22px rgba(0,0,0,.4);
    }
    .nav-links.open a{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;}
    .nav-links.open a:last-child{border-bottom:0;}
    .nav-links.open a::after{display:none;}
  }
  @media (max-width:640px){
    .hero-note{gap:4px 16px;}
    .cloud-cta .btn,.qsubmit .btn{width:100%;}
  }

  /* ---- 移动端导航收敛 ---- */
  @media (max-width:900px){
    .nav .btn{display:none;}
    .nav-right .lang{display:none;}
  }
  @media (max-width:640px){
    .nav-in{height:60px;gap:10px;}
    .brand b{font-size:17px;}
    .dock{flex-direction:row !important;left:50% !important;right:auto !important;transform:translateX(-50%);bottom:12px;gap:12px;padding:8px 12px;background:rgba(244,240,233,.86);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:999px;box-shadow:0 10px 30px -14px rgba(27,25,22,.45);}
    .dock a{width:40px;height:40px;}
    .hero-art svg{width:320px;max-width:100%;}
    .hero-grid{min-height:0;}
  }

  /* ============ 实力条：规模数字 + 设备组图 ============ */
  .strength{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:clamp(26px,3.2vw,48px);}
  .figures{max-width:var(--max);margin:0 auto;padding:0 var(--pad);display:grid;grid-template-columns:repeat(4,1fr);}
  .fig{padding:26px 26px 26px 0;border-right:1px solid var(--line);padding-left:28px;}
  .fig:first-child{padding-left:0;}
  .fig:last-child{border-right:0;}
  .fig b{font-family:var(--mono);font-size:clamp(1.75rem,3.1vw,2.45rem);font-weight:500;letter-spacing:-.045em;line-height:1;}
  .fig span{font-size:14px;color:var(--ink-2);margin-left:7px;letter-spacing:.02em;vertical-align:0;}
  .fig em{display:block;font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--muted);margin-top:12px;}

  .equip{background:var(--paper-3);border-top:1px solid var(--line);}
  .equip-track{max-width:var(--max);margin:0 auto;padding:0 var(--pad);display:grid;grid-template-columns:repeat(5,1fr);}
  .eq{padding:22px 18px 24px;border-left:1px solid var(--line);transition:background .4s;}
  .eq:first-child{border-left:0;padding-left:0;}
  .eq:hover{background:var(--paper-2);}
  .eq .no{font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;color:var(--muted);}
  .eq svg{width:100%;height:88px;margin:14px 0 16px;display:block;}
  .eq h5{font-size:12.5px;font-weight:600;letter-spacing:.01em;}
  .eq p{font-size:10.5px;color:var(--muted);margin-top:3px;font-family:var(--mono);letter-spacing:.02em;}
  .equip-note{max-width:var(--max);margin:0 auto;padding:9px var(--pad);display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;color:var(--muted);border-top:1px solid var(--line);}
  .equip-note .dots{display:flex;gap:4px;}
  .equip-note .dots i{width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.3;}
  .equip-note .dots i:first-child{opacity:.9;}

  /* ============ 七道工序 ============ */
  .craft{display:grid;grid-template-columns:repeat(7,1fr);border-top:1px solid var(--ink);}
  .craft-step{padding:26px 15px 4px 0;border-right:1px solid var(--line);position:relative;}
  .craft-step:last-child{border-right:0;}
  .craft-step .dot{position:absolute;top:-4.5px;left:0;width:9px;height:9px;border-radius:50%;background:var(--ink);}
  .craft-step .no{font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--muted);}
  .craft-step h4{font-size:13.5px;font-weight:600;margin-top:8px;font-family:var(--sans);}
  .craft-step p{font-size:11.5px;color:var(--muted);line-height:1.78;margin-top:6px;}
  .craft-foot{margin-top:46px;padding-top:28px;border-top:1px dashed var(--line);display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;align-items:flex-start;}
  .certs{display:flex;gap:10px;flex-wrap:wrap;}
  .certs span{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;padding:7px 13px;border:1px dashed var(--line);border-radius:2px;color:var(--muted);}
  .craft-note{font-size:11px;color:var(--muted);line-height:1.95;max-width:44ch;}

  @media (max-width:1080px){
    .figures{grid-template-columns:repeat(2,1fr);}
    .fig{padding:18px 0;border-left:0;}
    .fig:nth-child(2n){border-right:0;padding-left:22px;}
    .fig:nth-child(n+3){border-top:1px solid var(--line);}
    .equip-track{display:flex;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
    .equip-track::-webkit-scrollbar{display:none;}
    .eq{flex:0 0 45%;border-left:1px solid var(--line);}
    .eq:nth-child(1){padding-left:16px;}
    .craft{grid-template-columns:repeat(2,1fr);}
    .craft-step{border-right:0;padding:20px 0 18px;border-bottom:1px solid var(--line);}
    .craft-step .dot{display:none;}
    .craft-step:nth-child(2n){padding-left:20px;border-left:1px solid var(--line);}
    .craft-step:last-child{border-bottom:0;}
  }
  @media (max-width:640px){
    .figures{grid-template-columns:repeat(2,1fr);}
    .fig{border-right:1px solid var(--line);border-top:1px solid var(--line);padding:14px 0;}
    .fig:nth-child(2n){border-right:0;padding-left:14px;}
    .fig:nth-child(n+3){border-top:1px solid var(--line);}
    .fig:nth-child(-n+2){border-top:0;}
    .fig b{font-size:1.65rem;}
    .fig em{font-size:10px;letter-spacing:.1em;margin-top:8px;}
    .eq{flex:0 0 64%;}
    .craft{grid-template-columns:1fr;}
    .craft-step:nth-child(2n){padding-left:0;border-left:0;}
    .equip-note{font-size:9px;letter-spacing:.1em;}
  }