:root{
    --gold:#FEDB00; --gold-d:#E6C400;
    --ink:#232626; --ink-2:#3c4141; --ink-3:#6b7171;
    --line:rgba(35,38,38,.10); --bg:#fff; --bg-2:#f6f7f5; --bg-3:#f0f1ee;
    --maxw:1280px;
    --sans:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei','Source Han Sans CN',system-ui,sans-serif;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
  a{color:inherit;text-decoration:none}
  img{display:block;max-width:100%}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
  .eyebrow{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-3);display:flex;align-items:center;gap:12px;font-weight:600}
  .eyebrow::before{content:"";width:28px;height:2px;background:var(--gold)}
  .eyebrow .en{color:var(--gold-d);font-weight:700}
  h2.sec{font-size:clamp(28px,3.4vw,46px);line-height:1.12;font-weight:800;letter-spacing:-.01em;margin:14px 0 14px}
  .sec-sub{color:var(--ink-2);max-width:760px;font-size:15.5px}
  .gold{color:var(--gold-d)}
  .btn{display:inline-flex;align-items:center;gap:10px;padding:13px 26px;border-radius:2px;font-weight:700;font-size:14.5px;letter-spacing:.02em;transition:.25s;cursor:pointer;border:1px solid transparent}
  .btn-gold{background:var(--gold);color:#1b1b1b}
  .btn-gold:hover{background:var(--gold-d)}
  .btn-line{border-color:rgba(255,255,255,.55);color:#fff}
  .btn-line:hover{border-color:#fff;background:rgba(255,255,255,.12)}
  .btn-dark{border-color:var(--ink);color:var(--ink)}
  .btn-dark:hover{background:var(--ink);color:#fff}

  /* ===== Header ===== */
  header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:74px}
  .brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;letter-spacing:.04em}
  .brand .mk{width:38px;height:38px;border-radius:6px;background:var(--ink);color:var(--gold);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:15px;letter-spacing:.02em}
  .brand small{display:block;font-size:10.5px;letter-spacing:.18em;color:var(--ink-3);font-weight:600}
  .menu{display:flex;align-items:center;gap:30px}
  .menu a{font-size:15px;font-weight:600;color:var(--ink);position:relative;padding:6px 0}
  .menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--gold);transition:.25s}
  .menu a:hover::after{width:100%}
  .nav-right{display:flex;align-items:center;gap:18px}
  .lang{font-size:13px;color:var(--ink-3);font-weight:600}
  .lang b{color:var(--ink)}

  /* ===== Hero ===== */
  .hero{position:relative;height:88vh;min-height:560px;color:#fff;display:flex;align-items:center;overflow:hidden}
  .hero .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
  .hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(12,14,16,.86) 0%,rgba(12,14,16,.55) 45%,rgba(12,14,16,.25) 100%)}
  .hero .wrap{position:relative;z-index:2;width:100%}
  .hero .eyebrow{color:rgba(255,255,255,.8)}
  .hero .eyebrow::before{background:var(--gold)}
  .hero h1{font-size:clamp(42px,6.6vw,92px);line-height:.98;font-weight:800;letter-spacing:-.02em;margin:18px 0 6px}
  .hero .en{font-size:clamp(13px,1.4vw,17px);letter-spacing:.28em;text-transform:uppercase;color:var(--gold);font-weight:700}
  .hero p.lead{margin:22px 0 30px;max-width:620px;font-size:17px;color:rgba(255,255,255,.86);line-height:1.7}
  .hero .acts{display:flex;gap:14px;flex-wrap:wrap}
  .scroll{position:absolute;left:28px;bottom:26px;z-index:2;font-size:11px;letter-spacing:.3em;color:rgba(255,255,255,.7);display:flex;align-items:center;gap:10px}
  .scroll .ln{width:1px;height:42px;background:rgba(255,255,255,.5)}

  /* ===== generic section ===== */
  section{padding:88px 0}
  .sec-head{margin-bottom:42px}

  /* ===== About lead ===== */
  .about{background:var(--bg-2)}
  .about .lead2{font-size:clamp(22px,2.6vw,34px);font-weight:800;line-height:1.25;max-width:900px;letter-spacing:-.01em}
  .about .lead2 .gold{color:var(--gold-d)}
  .about p.body{margin-top:20px;max-width:820px;color:var(--ink-2);font-size:16px}

  /* ===== Data strip ===== */
  .strip{background:var(--ink);color:#fff;padding:54px 0}
  .strip .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
  .strip .s{padding:8px 24px 8px 0;border-right:1px solid rgba(255,255,255,.14)}
  .strip .s:last-child{border-right:none}
  .strip .s b{display:block;font-size:clamp(30px,3.4vw,46px);font-weight:800;color:var(--gold);line-height:1;letter-spacing:-.02em}
  .strip .s b .u{font-size:.5em;color:rgba(255,255,255,.7);font-weight:700;margin-left:4px}
  .strip .s span{display:block;margin-top:10px;font-size:13px;color:rgba(255,255,255,.7);letter-spacing:.04em}

  /* ===== Process steps ===== */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .step{border:1px solid var(--line);border-radius:4px;overflow:hidden;background:#fff;display:flex;flex-direction:column;transition:.25s}
  .step:hover{box-shadow:0 14px 34px rgba(35,38,38,.10);border-color:transparent;transform:translateY(-4px)}
  .step .ph{height:170px;overflow:hidden;background:var(--bg-3)}
  .step .ph img{width:100%;height:100%;object-fit:cover;transition:.5s}
  .step:hover .ph img{transform:scale(1.05)}
  .step .bd{padding:20px}
  .step .bd .no{font-size:12px;letter-spacing:.2em;color:var(--gold-d);font-weight:800}
  .step .bd h3{font-size:18px;margin:6px 0 8px;font-weight:800}
  .step .bd p{font-size:13.5px;color:var(--ink-2);line-height:1.6}

  /* ===== Cards (capabilities / services / barriers) ===== */
  .cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
  .card{background:#fff;border:1px solid var(--line);border-radius:4px;overflow:hidden;transition:.28s;display:flex;flex-direction:column}
  .card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(35,38,38,.12);border-color:transparent}
  .card .ph{height:190px;overflow:hidden;background:var(--bg-3)}
  .card .ph img{width:100%;height:100%;object-fit:cover;transition:.5s}
  .card:hover .ph img{transform:scale(1.06)}
  .card .bd{padding:22px;flex:1;display:flex;flex-direction:column}
  .card .bd .idx{font-size:12px;letter-spacing:.2em;color:var(--gold-d);font-weight:800}
  .card .bd h3{font-size:21px;margin:8px 0 4px;font-weight:800}
  .card .bd h3 small{font-size:12px;color:var(--ink-3);font-weight:600;letter-spacing:.14em;display:block;margin-top:2px}
  .card .bd p{font-size:13.5px;color:var(--ink-2);margin:10px 0 14px}
  .card .bd ul{list-style:none;display:flex;flex-wrap:wrap;gap:7px;margin-top:auto}
  .card .bd li{font-size:11.5px;background:var(--bg-2);border:1px solid var(--line);padding:5px 9px;border-radius:3px;color:var(--ink-2)}

  /* ===== Small-batch ===== */
  .small .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
  .small .list{list-style:none;margin-top:22px;display:grid;gap:16px}
  .small .list li{position:relative;padding-left:24px;font-size:15px;color:var(--ink-2);line-height:1.6}
  .small .list li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;background:var(--gold);border-radius:2px}
  .small .list li b{color:var(--ink);font-weight:800}
  .small .ph{border-radius:4px;overflow:hidden;height:420px}
  .small .ph img{width:100%;height:100%;object-fit:cover}

  /* ===== Platform cards ===== */
  .plat{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .pcard{border:1px solid var(--line);border-radius:4px;padding:26px;background:#fff;transition:.25s;display:flex;flex-direction:column}
  .pcard:hover{border-color:var(--gold);background:var(--bg-2)}
  .pcard .no{font-size:12px;letter-spacing:.2em;color:var(--gold-d);font-weight:800}
  .pcard h3{font-size:19px;margin:8px 0 8px;font-weight:800}
  .pcard p{font-size:13.5px;color:var(--ink-2);line-height:1.6;flex:1}
  .pcard a.more{margin-top:14px;font-size:13px;font-weight:700;color:var(--ink)}
  .pcard a.more:hover{color:var(--gold-d)}

  /* ===== Quality dashboard ===== */
  .quality{background:var(--bg-2)}
  .qstats{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
  .qstats .q{padding:32px 24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
  .qstats .q:nth-child(3n){border-right:none}
  .qstats .q b{display:block;font-size:clamp(30px,3.2vw,44px);font-weight:800;color:var(--ink);line-height:1;letter-spacing:-.02em}
  .qstats .q b .u{font-size:.45em;color:var(--ink-3);font-weight:700;margin-left:3px}
  .qstats .q h4{font-size:15px;font-weight:800;margin:12px 0 6px}
  .qstats .q p{font-size:13px;color:var(--ink-2);line-height:1.55}

  /* ===== Partners ===== */
  .partners .grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
  .partners .b{border:1px solid var(--line);border-radius:4px;padding:22px 10px;text-align:center;font-weight:800;font-size:15px;color:var(--ink);background:#fff;transition:.25s}
  .partners .b:hover{border-color:var(--gold);background:var(--bg-2);color:var(--gold-d)}

  /* ===== Cases ===== */
  .cases{background:var(--bg-2)}
  .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .case{position:relative;border-radius:4px;overflow:hidden;height:380px;color:#fff}
  .case img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.6s}
  .case::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,14,16,.05) 30%,rgba(12,14,16,.9) 100%)}
  .case:hover img{transform:scale(1.05)}
  .case .ct{position:absolute;left:22px;right:22px;bottom:22px;z-index:2}
  .case .ct .tag{font-size:11px;letter-spacing:.18em;color:var(--gold);font-weight:800}
  .case .ct h3{font-size:22px;margin:8px 0 8px;font-weight:800}
  .case .ct p{font-size:13px;color:rgba(255,255,255,.82)}

  /* ===== FAQ ===== */
  .faq .grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 28px}
  .faq details{border:1px solid var(--line);border-radius:4px;padding:0 20px;background:#fff}
  .faq details summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:800;font-size:15.5px;display:flex;justify-content:space-between;align-items:center;gap:14px}
  .faq details summary::-webkit-details-marker{display:none}
  .faq details summary::after{content:"+";color:var(--gold-d);font-size:22px;font-weight:800}
  .faq details[open] summary::after{content:"\2013"}
  .faq details p{padding:0 0 18px;font-size:14px;color:var(--ink-2);line-height:1.7}

  /* ===== CTA ===== */
  .cta{background:var(--ink);color:#fff;text-align:center;padding:84px 0}
  .cta h2{color:#fff;font-size:clamp(28px,3.6vw,46px);font-weight:800;margin-bottom:14px}
  .cta p{max-width:620px;margin:0 auto 28px;color:rgba(255,255,255,.78);font-size:16px}
  .cta .acts{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
  .cta .btn-gold{background:var(--gold);color:#1b1b1b}
  .cta .btn-line{border-color:rgba(255,255,255,.55);color:#fff}

  /* ===== Footer ===== */
  footer{background:#15191a;color:#fff;padding:64px 0 30px}
  .fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
  .fbrand .mk{width:44px;height:44px;border-radius:6px;background:var(--gold);color:#15191a;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:17px;margin-bottom:16px}
  .fbrand b{font-size:18px;font-weight:800}
  .fbrand p{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:8px;max-width:300px;line-height:1.6}
  .fcol h5{font-size:12px;letter-spacing:.2em;color:var(--gold);margin-bottom:16px;font-weight:800}
  .fcol a,.fcol p{display:block;font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:9px}
  .fcol a:hover{color:#fff}
  .fbottom{border-top:1px solid rgba(255,255,255,.12);margin-top:46px;padding-top:22px;font-size:12px;color:rgba(255,255,255,.5);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

  @media(max-width:980px){
    .cards,.case-grid,.steps,.plat,.qstats{grid-template-columns:repeat(2,1fr)}
    .strip .grid,.partners .grid{grid-template-columns:repeat(3,1fr)}
    .small .grid{grid-template-columns:1fr}
    .menu{display:none}
    .fgrid{grid-template-columns:1fr 1fr}
  }
  @media(max-width:560px){
    .cards,.case-grid,.steps,.plat,.qstats{grid-template-columns:1fr}
    .strip .grid{grid-template-columns:repeat(2,1fr)}
    .partners .grid{grid-template-columns:repeat(2,1fr)}
    .faq .grid{grid-template-columns:1fr}
    .qstats .q{border-right:none}
    .fgrid{grid-template-columns:1fr}
    .small .ph{height:300px}
  }

  /* ===== Motion ===== */
  .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1);transition-delay:calc(var(--i,0)*70ms)}
  .reveal.in{opacity:1;transform:none}
  @media(prefers-reduced-motion:reduce){.reveal{opacity:1!important;transform:none!important;transition:none!important}.hero .bg{animation:none}}
  /* hero entrance */
  .hero .eyebrow,.hero h1,.hero .en,.hero p.lead,.hero .acts,.hero .scroll{opacity:0;transform:translateY(30px);transition:opacity .85s ease,transform .85s cubic-bezier(.2,.7,.2,1)}
  body.hero-in .hero .eyebrow{transition-delay:.05s}
  body.hero-in .hero h1{transition-delay:.20s}
  body.hero-in .hero .en{transition-delay:.36s}
  body.hero-in .hero p.lead{transition-delay:.48s}
  body.hero-in .hero .acts{transition-delay:.60s}
  body.hero-in .hero .scroll{transition-delay:.74s}
  body.hero-in .hero .eyebrow,body.hero-in .hero h1,body.hero-in .hero .en,body.hero-in .hero p.lead,body.hero-in .hero .acts,body.hero-in .hero .scroll{opacity:1;transform:none}
  /* hero slow zoom */
  @keyframes kb{from{transform:scale(1.04)}to{transform:scale(1.14)}}
  /* header on scroll */
  header.scrolled{box-shadow:0 6px 22px rgba(35,38,38,.10)}
  /* back to top */
  .to-top{position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:50%;background:var(--ink);color:var(--gold);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .3s,transform .3s,background .25s,color .25s;z-index:60;box-shadow:0 8px 22px rgba(0,0,0,.22)}
  .to-top.show{opacity:1;visibility:visible;transform:none}
  .to-top:hover{background:var(--gold);color:#1b1b1b}

/* ===== News page (yellow-trad) ===== */
.menu a.active::after{width:100%}
.news-hero{background:var(--bg-2);padding:74px 0 56px;border-bottom:1px solid var(--line)}
.news-hero .sec{margin:12px 0 12px}
.news-hero .chips{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.chip{font-size:13.5px;font-weight:600;padding:9px 18px;border-radius:20px;border:1px solid var(--line);background:#fff;color:var(--ink-2);cursor:pointer;transition:.25s}
.chip:hover{border-color:var(--gold)}
.chip.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.news-list{padding:74px 0 90px}
.news-list .sec-head{margin-bottom:24px}
.feature{display:grid;grid-template-columns:1.1fr 1fr;gap:0;background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;margin:8px 0 56px}
.nip{display:flex;align-items:center;justify-content:center;background:var(--bg-3);overflow:hidden}
.nip span{color:var(--ink-3);font-size:12px;letter-spacing:.24em}
.feature .nip{height:360px}
.feature .bd{padding:42px 40px;display:flex;flex-direction:column}
.tag{display:inline-flex;align-self:flex-start;font-size:12px;font-weight:800;letter-spacing:.06em;color:#15191a;background:var(--gold);padding:5px 13px;border-radius:3px}
.feature .meta{margin:18px 0 0;font-size:13px;color:var(--ink-3)}
.feature h3{font-size:26px;font-weight:800;line-height:1.25;margin:12px 0 14px}
.feature p{color:var(--ink-2);font-size:15px;line-height:1.75}
.feature .more{margin-top:auto;padding-top:24px;font-weight:800;color:var(--ink);font-size:15px}
.feature .more:hover{color:var(--gold-d)}
.nnews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ncard{border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#fff;transition:.28s;display:flex;flex-direction:column}
.ncard:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(35,38,38,.12);border-color:transparent}
.ncard .nip{height:200px}
.ncard .bd{padding:22px;display:flex;flex-direction:column;flex:1}
.ncard .meta{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.ncard h3{font-size:18px;font-weight:800;line-height:1.35;margin-bottom:10px}
.ncard p{font-size:13.5px;color:var(--ink-2);line-height:1.6}
.ncard .more{margin-top:14px;font-weight:700;color:var(--ink);font-size:13.5px}
.ncard .more:hover{color:var(--gold-d)}
.pager{display:flex;gap:8px;justify-content:center;margin-top:50px}
.pager a{width:44px;height:44px;border-radius:6px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--ink-2);transition:.2s}
.pager a:hover{border-color:var(--gold)}
.pager a.cur{background:var(--ink);color:#fff;border-color:var(--ink)}
.pager a.arrow{width:auto;padding:0 18px}
@media(max-width:980px){.feature{grid-template-columns:1fr}.feature .nip{height:240px}.nnews-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.nnews-grid{grid-template-columns:1fr}}