: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 ===== */
  body>header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px)}
  .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:stretch;gap:4px;height:100%}
  .menu > a,
  .menu > .has-dropdown{display:flex;align-items:center;padding:0 10px;white-space:nowrap}
  .menu a{font-size:14px;font-weight:600;color:var(--ink);position:relative;letter-spacing:.02em;line-height:1.3}
  .menu > a::after,
  .menu > .has-dropdown > a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--gold);transition:.25s}
  .menu > a:hover::after,
  .menu > .has-dropdown:hover > a::after{width:100%}
  .menu > a:hover,
  .menu > .has-dropdown:hover > a{color:var(--gold-d)}
  .menu a.active::after{width:100%}
  .nav-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
  .lang{font-size:12px;color:var(--ink-3);font-weight:600}
  .lang b{color:var(--ink)}
  /* 汉堡菜单按钮（仅移动端可见） */
  .nav-toggle{display:none;background:none;border:none;cursor:pointer;width:36px;height:36px;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0;flex-shrink:0}
  .nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);border-radius:1px;transition:.3s}
  .nav-toggle.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

  /* ===== Hero ===== */
  .hero{position:relative;height:88vh;min-height:560px;color:#fff;display:flex;align-items:center;overflow:hidden;text-align:center}
  .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;max-width:var(--maxw);margin:0 auto;padding:0 28px}
  .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;justify-content:center}
  .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 timeline: 单行横排 + dot 上下交替 ===== */
  .tl{position:relative;padding:44px 0 54px;margin-top:14px}
  .tl-line{position:absolute;left:calc(50%/9);right:calc(50%/9);top:50%;height:3px;background:var(--gold);z-index:0;border-radius:2px}
  .tl-cells{display:flex;gap:0;position:relative;z-index:1;width:100%}
  .tl-cell{flex:0 0 11.11%;padding:0 8px;position:relative;display:flex;flex-direction:column;align-items:center}
  .tl-dot{width:30px;height:30px;border-radius:50%;background:var(--gold);color:#fff;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;border:3px solid #fff;box-shadow:0 3px 8px rgba(0,0,0,.12);z-index:2;flex-shrink:0}
  .tl-card{width:100%;max-width:130px;background:#fff;border:1px solid var(--line);border-radius:6px;padding:8px;box-shadow:0 4px 14px rgba(35,38,38,.06);transition:.25s;text-align:center}
  .tl-card:hover{box-shadow:0 8px 22px rgba(35,38,38,.12);transform:translateY(-2px)}
  .tl-card .ph{width:100%;height:64px;border-radius:4px;overflow:hidden;background:var(--bg-3)}
  .tl-card .ph img{width:100%;height:100%;object-fit:cover}
  .tl-card .bd h3{font-size:12px;font-weight:800;margin:6px 0 3px;color:var(--ink);line-height:1.3}
  .tl-card .bd p{font-size:10.5px;line-height:1.45;color:var(--ink-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  /* up: dot 在线上(card 线下), dn: dot 线下(card 线上) */
  .tl-cell.up{justify-content:flex-end;padding-bottom:32px}
  .tl-cell.dn{justify-content:flex-start;padding-top:32px}
  .tl-dot.up{position:absolute;top:0;left:50%;transform:translateX(-50%)}
  .tl-dot.dn{position:absolute;bottom:0;left:50%;transform:translateX(-50%)}
  @media(max-width:980px){
    .tl-line{left:30px;right:30px}
    .tl-cell{flex:0 0 calc(50%)}
    .tl-dot.up,.tl-dot.dn{position:static;transform:none;margin:0 auto 12px}
    .tl-cell.up,.tl-cell.dn{padding:0;justify-content:center}
  }
  @media(max-width:560px){
    .tl-line{display:none}
    .tl-cell{flex:0 0 calc(50%)}
    .tl-dot.up,.tl-dot.dn{position:static;transform:none;margin:0 auto 8px;width:24px;height:24px;font-size:11px}
    .tl-card{max-width:110px;padding:6px}
    .tl-card .ph{height:48px}
    .tl-card .bd h3{font-size:10.5px}
    .tl-card .bd p{font-size:9.5px;-webkit-line-clamp:1}
  }

  /* ===== Steps (process 9-step) ===== */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
  .step{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:.3s;display:flex;flex-direction:column}
  .step:hover{transform:translateY(-8px);box-shadow:0 22px 50px rgba(35,38,38,.12);border-color:transparent}
  .step .ph{height:220px;overflow:hidden;background:var(--bg-3)}
  .step .ph img{width:100%;height:100%;object-fit:cover;transition:.6s}
  .step:hover .ph img{transform:scale(1.06)}
  .step .bd{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column}
  .step .bd .no{font-size:42px;font-weight:800;color:var(--gold);line-height:1;opacity:.3;margin-bottom:4px;font-family:Helvetica,Arial,sans-serif}
  .step .bd h3{font-size:18px;font-weight:800;margin:0 0 10px;color:var(--ink);line-height:1.3}
  .step .bd p{font-size:13.5px;color:var(--ink-2);line-height:1.7;margin:0}
  @media(max-width:980px){.steps{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:560px){.steps{grid-template-columns:1fr}.step .ph{height:180px}}

  /* ===== 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 (carousel) ===== */
  .cases{background:var(--bg-2);position:relative;overflow:hidden}
  .case-carousel{position:relative}
  .case-track{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none;scroll-behavior:smooth;padding:4px 0 8px;cursor:grab}
  .case-track,.case-track *{-webkit-user-drag:none}
  .case-track.is-dragging,.case-track.is-dragging *{cursor:grabbing;scroll-snap-type:none;user-select:none;-webkit-user-select:none}
  .case-track::-webkit-scrollbar{display:none}
  .case{position:relative;border-radius:4px;overflow:hidden;height:380px;color:#fff;flex:0 0 calc((100% - 44px) / 3);scroll-snap-align:start;min-width:280px}
  .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)}
  .case-nav{display:flex;gap:10px;justify-content:flex-end;margin-top:24px}
  .case-btn{width:48px;height:48px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;cursor:pointer;transition:.25s;flex-shrink:0}
  .case-btn:hover{background:var(--ink);color:var(--gold);border-color:var(--ink)}
  .case-btn:disabled{opacity:.35;cursor:not-allowed}
  .case-btn:disabled:hover{background:#fff;color:var(--ink);border-color:var(--line)}
  .case-dots{display:flex;gap:8px;align-items:center;justify-content:center;margin-top:18px}
  .case-dot{width:8px;height:8px;border-radius:50%;background:var(--line);cursor:pointer;transition:.25s;border:none;padding:0}
  .case-dot.active{background:var(--gold-d);width:24px;border-radius:4px}

  /* ===== Case Grid (homepage) ===== */
  .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .case-grid .case{position:relative;border-radius:6px;overflow:hidden;height:360px;color:#fff;flex:unset;scroll-snap-align:unset;min-width:unset}
  .case-grid .case img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.6s}
  .case-grid .case::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,14,16,.05) 30%,rgba(12,14,16,.9) 100%)}
  .case-grid .case:hover img{transform:scale(1.05)}
  .case-grid .case .ct{position:absolute;left:22px;right:22px;bottom:22px;z-index:2}
  .case-grid .case .ct .tag{font-size:11px;letter-spacing:.18em;color:var(--gold);font-weight:800}
  .case-grid .case .ct h3{font-size:22px;margin:8px 0 8px;font-weight:800}
  .case-grid .case .ct p{font-size:13px;color:rgba(255,255,255,.82)}
  @media(max-width:980px){.case-grid{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:560px){.case-grid{grid-template-columns:1fr}.case-grid .case{height:300px}}

  /* ===== FAQ ===== */
  .faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:all .3s}
  .faq-item:hover{border-color:var(--ink-3)}
  .faq-item.active{border-color:var(--gold-d);box-shadow:0 4px 20px rgba(230,196,0,.12)}
  .faq-question{padding:20px 24px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;font-weight:700;font-size:16px;color:var(--ink);transition:color .3s;gap:16px}
  .faq-item.active .faq-question{color:var(--gold-d)}
  .faq-icon{width:24px;height:24px;position:relative;transition:transform .4s cubic-bezier(.16,1,.3,1);flex-shrink:0}
  .faq-icon::before,.faq-icon::after{content:'';position:absolute;background:currentColor;transition:all .3s;border-radius:1px}
  .faq-icon::before{width:14px;height:2px;top:50%;left:50%;transform:translate(-50%,-50%)}
  .faq-icon::after{width:2px;height:14px;top:50%;left:50%;transform:translate(-50%,-50%)}
  .faq-item.active .faq-icon{transform:rotate(45deg)}
  .faq-answer{max-height:0;overflow:hidden;transition:max-height .5s cubic-bezier(.16,1,.3,1),padding .5s}
  .faq-item.active .faq-answer{max-height:300px;padding:0 24px 22px}
  .faq-answer p{color:var(--ink-2);line-height:1.85;font-size:15px}
  /* FAQ section center header */
  .faq-section .sec-head{margin-left:auto;margin-right:auto;text-align:center}

  /* ===== CTA ===== */
  .cta{background:#fff;color:var(--ink);text-align:center;padding:84px 0}
  .cta .eyebrow{color:var(--ink-3)}
  .cta h2{color:var(--ink);font-size:clamp(28px,3.6vw,46px);font-weight:800;margin-bottom:14px}
  .cta p{max-width:620px;margin:0 auto 28px;color:var(--ink-2);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:var(--line);color:var(--ink)}

  /* ===== 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,.plat,.qstats{grid-template-columns:repeat(2,1fr)}
    .case{flex:0 0 calc((100% - 22px) / 2)}
    .strip .grid,.partners .grid{grid-template-columns:repeat(3,1fr)}
    .small .grid{grid-template-columns:1fr}
    /* ---- 移动端导航 ---- */
    .nav-toggle{display:flex}
    .nav-right .lang{display:none}
    .nav-right .btn{display:none}
    .nav{flex-wrap:wrap;height:auto;min-height:56px;padding:10px 0;gap:0}
    .menu{display:none;width:100%;flex-direction:column;gap:0;padding:8px 0 0;border-top:1px solid var(--line);margin-top:8px}
    .menu.show{display:flex}
    .menu > a,
    .menu > .has-dropdown{padding:10px 0;border-bottom:1px solid var(--line);width:100%}
    .menu > a:last-child,
    .menu > .has-dropdown:last-child{border-bottom:none}
    .menu > a::after,
    .menu > .has-dropdown > a::after{display:none}
    .menu a{font-size:15px}
    .menu .has-dropdown .caret{float:right;margin-top:4px}
    .menu .adv-dropdown{position:static;transform:none;box-shadow:none;border:none;padding:0 0 0 16px;display:none!important;opacity:1}
    .menu .has-dropdown.open .adv-dropdown{display:flex!important}
    .nav-right{width:100%;padding:12px 0 0}
    .nav-right .btn{display:inline-flex;width:100%}
    .fgrid{grid-template-columns:1fr 1fr}
  }
  @media(max-width:560px){
    .cards,.plat,.qstats{grid-template-columns:1fr}
    .case{flex:0 0 85%;min-width:240px}
    .strip .grid{grid-template-columns:repeat(2,1fr)}
    .partners .grid{grid-template-columns:repeat(2,1fr)}
    /* FAQ already single column */
    .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);text-align:center}
.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;position:relative}
.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;position:relative}
.ncard:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(35,38,38,.12);border-color:transparent}
.ncard .nip{height:200px}
.nip img{width:100%;height:100%;object-fit:cover;display:block}
.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)}
/* 整块卡片可点击：以"阅读全文"真实锚点为基准，用 ::after 拉伸覆盖整张卡（避免嵌套 <a>） */
.ncard .more::after,.feature .more::after{content:"";position:absolute;inset:0;z-index:1}
.ncard{cursor:pointer}
.ncard:hover .more{color:var(--gold-d)}
.feature:hover .more{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}}

/* ===== News detail (yellow-trad) ===== */
.article{padding:48px 0 64px}
.article .crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);margin-bottom:30px}
.article .crumb a:hover{color:var(--gold-d)}
.article .crumb .cur{color:var(--ink-2);font-weight:700}
.article .crumb span{color:var(--ink-3);opacity:.55}
.ahead{max-width:780px;margin:0 auto 26px}
.ahead .tag{margin-bottom:16px}
.ahead h1{font-size:clamp(28px,3.6vw,44px);line-height:1.18;font-weight:800;letter-spacing:-.01em;margin:6px 0 18px}
.ahead .ameta{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-3);flex-wrap:wrap}
.ahead .ameta .dot{opacity:.5}
.cover{max-width:960px;margin:0 auto 36px;height:440px;border-radius:6px}
.cover.nip span{font-size:13px}
.abody{max-width:780px;margin:0 auto}
.abody .lead{font-size:19px;line-height:1.85;color:var(--ink);font-weight:600;margin-bottom:30px}
.abody h2{font-size:clamp(21px,2.4vw,29px);font-weight:800;line-height:1.3;margin:38px 0 14px;letter-spacing:-.01em}
.abody h2::before{content:"";display:inline-block;width:8px;height:8px;background:var(--gold);border-radius:2px;margin-right:12px;vertical-align:middle}
.abody p{font-size:16px;line-height:1.9;color:var(--ink-2);margin-bottom:18px}
.illus{margin:34px 0}
.illus .nip{height:340px;border-radius:6px}
.illus figcaption{margin-top:12px;font-size:12.5px;color:var(--ink-3);text-align:center;letter-spacing:.02em}
.cover img,.illus img{width:100%;height:100%;object-fit:cover;display:block;border-radius:6px}
.illus img{border-radius:6px}
.aq{border-left:3px solid var(--gold);background:var(--bg-2);padding:20px 26px;border-radius:0 6px 6px 0;font-size:18px;line-height:1.7;color:var(--ink);font-weight:600;margin:30px 0}
.alist{list-style:none;margin:22px 0;display:grid;gap:12px}
.alist li{position:relative;padding-left:24px;font-size:15.5px;color:var(--ink-2);line-height:1.65}
.alist li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;background:var(--gold);border-radius:2px}
.atags{max-width:780px;margin:34px auto 0;display:flex;gap:10px;flex-wrap:wrap}
.atags .tag{background:var(--bg-2);color:var(--ink-2);border:1px solid var(--line)}
.apager{max-width:780px;margin:34px auto 0;display:flex;gap:16px}
.apager a{flex:1;border:1px solid var(--line);border-radius:6px;padding:18px 22px;transition:.25s;display:flex;flex-direction:column;gap:6px}
.apager a:hover{border-color:var(--gold);background:var(--bg-2)}
.apager .lbl{font-size:12.5px;color:var(--ink-3);font-weight:700;letter-spacing:.04em}
.apager b{font-size:15.5px;font-weight:800;line-height:1.35}
.apager .next{text-align:right;align-items:flex-end}
.related{background:var(--bg-2);padding:74px 0 90px}
.related .sec-head{margin-bottom:30px}
@media(max-width:980px){.cover{height:300px}}
@media(max-width:560px){.cover{height:220px}.apager{flex-direction:column}}

/* ===== About page v2 (yellow-trad) ===== */
.about-hero{position:relative;background:linear-gradient(180deg,#fff 0%,var(--bg-2) 100%);padding:108px 0 92px;overflow:hidden}
.about-hero .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.about-hero .crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);margin-bottom:24px}
.about-hero .crumb a:hover{color:var(--gold-d)}
.about-hero .crumb .cur{color:var(--ink);font-weight:700}
.about-hero h1{font-size:clamp(30px,4.2vw,54px);line-height:1.1;font-weight:800;letter-spacing:-.02em;margin:14px 0 18px;max-width:560px}
.about-hero h1 .gold{color:var(--gold-d)}
.about-hero p.lead{font-size:16px;color:var(--ink-2);max-width:520px;line-height:1.85}
.about-hero .acts{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.about-hero .ph{border-radius:8px;overflow:hidden;height:440px;background:var(--bg-3);box-shadow:0 24px 60px rgba(35,38,38,.12)}
.about-hero .ph img{width:100%;height:100%;object-fit:cover}

/* Bento 拼图墙（hero/global 3 张默认；公司简介 4 张见 .ab-collage.is-4） */
.ab-collage{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:12px;height:100%;min-height:440px;border-radius:8px;overflow:hidden;box-shadow:0 24px 60px rgba(35,38,38,.12);background:var(--bg-3)}
/* 公司简介 4 张图：第一行 2:1，第二行 1:2 */
.ab-collage.is-4{grid-template-columns:1fr 1fr 1fr;grid-template-rows:1fr 1fr;min-height:480px}
.ab-collage.is-4 .ab-tile.ab-t1{grid-row:auto}
.ab-collage.is-4 .ab-tile.ab-t-bottom{grid-column:auto}
.ab-collage.is-4 .ab-tile:nth-of-type(1){grid-column:1/3}
.ab-collage.is-4 .ab-tile:nth-of-type(2){grid-column:3/4}
.ab-collage.is-4 .ab-tile:nth-of-type(3){grid-column:1/2}
.ab-collage.is-4 .ab-tile:nth-of-type(4){grid-column:2/4}
.ab-tile{position:relative;overflow:hidden;background:var(--bg-3);border-radius:4px}
.ab-tile img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.ab-tile:hover img{transform:scale(1.06)}
.ab-tile.ab-t1{grid-row:1/3}
.ab-tile.ab-t-bottom{grid-column:1/3}
.ab-tile .ab-cap{position:absolute;right:12px;bottom:12px;background:var(--gold);color:#1b1b1b;font-size:11px;font-weight:800;padding:5px 12px;border-radius:2px;letter-spacing:.06em;line-height:1}

.about-intro .grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:stretch}
.about-intro .ph{border-radius:6px;overflow:hidden;height:460px;background:var(--bg-3)}
.about-intro .ph img{width:100%;height:100%;object-fit:cover}
.about-intro .lead2{font-size:clamp(22px,2.6vw,32px);font-weight:800;line-height:1.3;max-width:560px;letter-spacing:-.01em}
.about-intro .lead2 .gold{color:var(--gold-d)}
.about-intro p.body{margin-top:20px;color:var(--ink-2);font-size:16px;line-height:1.85;max-width:560px}
.about-intro .hl{list-style:none;margin-top:26px;display:grid;gap:14px}
.about-intro .hl li{position:relative;padding-left:24px;font-size:15px;color:var(--ink-2)}
.about-intro .hl li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;background:var(--gold);border-radius:2px}
.about-intro .hl li b{color:var(--ink);font-weight:800}

/* 制造实力网格 */
.about-make{padding:88px 0;background:#fff}
.make-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:42px}
.make-card{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;transition:.28s}
.make-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(35,38,38,.10);border-color:transparent}
.make-card .ph{height:180px;background:var(--bg-3);overflow:hidden}
.make-card .ph img{width:100%;height:100%;object-fit:cover;transition:.4s}
.make-card:hover .ph img{transform:scale(1.05)}
.make-card h3{font-size:18px;font-weight:800;margin:20px 22px 8px}
.make-card p{font-size:14px;color:var(--ink-2);line-height:1.65;margin:0 22px 22px}

/* 发展历程时间线（竖线居中，左右对称交替） */
.about-hist{padding:88px 0;background:var(--bg-2)}
.timeline{position:relative;max-width:860px;margin:46px auto 0}
.timeline::before{content:"";position:absolute;left:50%;top:8px;bottom:8px;width:2px;background:var(--line);transform:translateX(-1px)}
.tl-item{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:48px;padding:18px 0}
.tl-item:nth-child(odd) .yr{grid-column:1;justify-self:end;align-self:start;padding-top:20px}
.tl-item:nth-child(odd) .tl-box{grid-column:2}
.tl-item:nth-child(even) .yr{grid-column:2;justify-self:start;align-self:start;padding-top:20px}
.tl-item:nth-child(even) .tl-box{grid-column:1}
.tl-item .yr{font-size:22px;font-weight:800;color:var(--gold-d);line-height:1.2}
.tl-box{position:relative;background:#fff;border:1px solid var(--line);border-radius:8px;padding:20px 24px}
.tl-box::before{content:"";position:absolute;top:26px;width:14px;height:14px;border-radius:50%;background:var(--gold);border:3px solid #fff;box-shadow:0 0 0 1px var(--line)}
.tl-item:nth-child(odd) .tl-box::before{left:-26px}
.tl-item:nth-child(even) .tl-box::before{right:-26px}
.tl-box h3{font-size:18px;font-weight:800;margin-bottom:6px}
.tl-box p{font-size:14px;color:var(--ink-2);line-height:1.65}

.values{background:var(--bg-2)}
.vgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.vcard{border:1px solid var(--line);border-top:3px solid var(--gold);border-radius:4px;padding:30px 26px;background:#fff;transition:.28s}
.vcard:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(35,38,38,.10);border-color:transparent}
.vcard .no{font-size:13px;letter-spacing:.2em;color:var(--gold-d);font-weight:800}
.vcard h3{font-size:20px;margin:12px 0 10px;font-weight:800}
.vcard p{font-size:14px;color:var(--ink-2);line-height:1.7}

/* 资质认证 */
.about-cert{padding:88px 0;background:#fff}
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:42px}
.cert{border:1px solid var(--line);border-radius:8px;padding:26px 24px;background:var(--bg-2);text-align:center;transition:.28s}
.cert:hover{border-color:var(--gold);transform:translateY(-4px)}
.cert b{display:block;font-size:22px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.cert span{display:block;margin-top:8px;font-size:13.5px;color:var(--ink-2)}

.about-global .grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-global .ph{order:2;border-radius:6px;overflow:hidden;height:420px;background:var(--bg-3)}
.about-global .ph img{width:100%;height:100%;object-fit:cover}
.about-global .nodes{list-style:none;margin-top:24px;display:grid;gap:18px}
.about-global .nodes li{display:flex;gap:16px;align-items:flex-start}
.about-global .nodes .dot{width:38px;height:38px;flex:0 0 38px;border-radius:6px;background:var(--ink);color:var(--gold);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;letter-spacing:.02em}
.about-global .nodes b{display:block;font-size:16px;font-weight:800;margin-bottom:3px}
.about-global .nodes span{font-size:14px;color:var(--ink-2);line-height:1.6}

@media(max-width:980px){
  .about-hero .grid,.about-intro .grid,.about-global .grid{grid-template-columns:1fr;gap:34px}
  .about-hero .ph{height:320px;order:-1}
  .about-intro .ph{height:340px}
  .about-global .ph{order:-1;height:300px}
  .make-grid{grid-template-columns:repeat(2,1fr)}
  .vgrid{grid-template-columns:repeat(2,1fr)}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
  .ab-collage{min-height:340px}
  .ab-collage.is-4{min-height:460px}
}
@media(max-width:560px){
  .make-grid{grid-template-columns:1fr}
  .vgrid{grid-template-columns:1fr}
  .cert-grid{grid-template-columns:1fr}
  .timeline::before{left:54px;transform:none}
  .tl-item{grid-template-columns:54px 1fr;gap:14px}
  .tl-item:nth-child(odd) .yr,.tl-item:nth-child(even) .yr{grid-column:1;text-align:right;justify-self:end}
  .tl-item:nth-child(odd) .tl-box,.tl-item:nth-child(even) .tl-box{grid-column:2}
  .tl-item .yr{font-size:18px}
  .tl-item:nth-child(odd) .tl-box::before,.tl-item:nth-child(even) .tl-box::before{left:-26px}
  .ab-collage{min-height:380px}
  .ab-collage.is-4{min-height:560px}
}

/* ===== 核心能力下拉 + 详情页 ===== */
.cap-select{position:relative;max-width:560px;margin:0 auto 34px}
.cap-trigger{display:flex;align-items:center;justify-content:space-between;width:100%;padding:16px 22px;border:1px solid var(--line);border-radius:3px;background:#fff;cursor:pointer;font-size:16px;font-weight:700;color:var(--ink);transition:.2s;box-shadow:0 8px 24px rgba(35,38,38,.06)}
.cap-trigger:hover{border-color:var(--gold-d)}
.cap-trigger .cap-caret{font-size:14px;color:var(--ink-3);transition:transform .25s}
.cap-select.open .cap-trigger{border-color:var(--gold-d)}
.cap-select.open .cap-caret{transform:rotate(180deg)}
.cap-menu{list-style:none;position:absolute;top:calc(100% + 8px);left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:3px;box-shadow:0 24px 60px rgba(35,38,38,.18);overflow:hidden;opacity:0;visibility:hidden;transform:translateY(-8px);transition:.22s;z-index:20}
.cap-select.open .cap-menu{opacity:1;visibility:visible;transform:translateY(0)}
.cap-menu li{display:flex;align-items:center;gap:14px;padding:14px 22px;cursor:pointer;font-weight:700;font-size:15.5px;color:var(--ink);border-bottom:1px solid var(--line);transition:.18s}
.cap-menu li:last-child{border-bottom:none}
.cap-menu li:hover{background:var(--bg-2);padding-left:28px}
.cap-menu li .cap-no{font-size:12px;font-weight:800;color:var(--gold-d);letter-spacing:.08em;min-width:22px}
.cap-menu li em{margin-left:auto;font-style:normal;font-size:11px;letter-spacing:.14em;color:var(--ink-3);font-weight:600}
@media(max-width:560px){.cap-menu li em{display:none}}

.cap-hero{position:relative;min-height:52vh;display:flex;align-items:flex-end;color:#fff;overflow:hidden}
.cap-hero .ph{position:absolute;inset:0}
.cap-hero .ph img{width:100%;height:100%;object-fit:cover}
.cap-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,14,16,.25) 0%,rgba(12,14,16,.85) 100%)}
.cap-hero .wrap{position:relative;z-index:2;width:100%;padding-bottom:54px;padding-top:120px}
.cap-hero .eyebrow{color:rgba(255,255,255,.85)}
.cap-hero .eyebrow::before{background:var(--gold)}
.cap-hero h1{font-size:clamp(34px,5vw,64px);line-height:1;font-weight:800;letter-spacing:-.02em;margin:14px 0 12px}
.cap-hero .lead{max-width:680px;color:rgba(255,255,255,.85);font-size:16px}

.cap-body{padding:70px 0}
.cap-lead{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:820px;margin:0 0 16px}
.cap-spec{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:18px}
.cap-spec .cs{border:1px solid var(--line);border-radius:4px;padding:22px;background:var(--bg-2)}
.cap-spec .ck{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);font-weight:700;margin-bottom:10px}
.cap-spec .cv{font-size:15px;font-weight:600;color:var(--ink);line-height:1.5}
.cap-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.cap-tags .tag{font-size:13px;font-weight:700;padding:8px 16px;border:1px solid var(--line);border-radius:30px;color:var(--ink-2);background:#fff}
.cap-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.cap-gallery figure{border-radius:4px;overflow:hidden;background:var(--bg-3)}
.cap-gallery img{width:100%;height:240px;object-fit:cover}
.cap-gallery figcaption{padding:12px 14px;font-size:13px;color:var(--ink-3);font-weight:600}
.cap-cases{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:16px}
.cap-pager{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:var(--maxw);margin:0 auto;padding:30px 28px;border-top:1px solid var(--line)}
.cap-pager a{font-weight:700;font-size:14.5px;color:var(--ink);transition:.2s}
.cap-pager a:hover{color:var(--gold-d)}
.cap-pager .cap-back{font-size:13px;color:var(--ink-3);font-weight:600}
@media(max-width:680px){
  .cap-spec{grid-template-columns:repeat(2,1fr)}
  .cap-gallery,.cap-cases{grid-template-columns:1fr}
  .cap-pager{flex-direction:column;text-align:center}
}

/* ===== 核心优势 adv-* 版式（自创，不抄原PDF左标题右大图交替排版） ===== */
.adv-hero{position:relative;height:min(72vh,640px);min-height:520px;display:flex;align-items:flex-end;color:#fff;overflow:hidden;background:var(--ink)}
.adv-hero .ph{position:absolute;inset:0}
.adv-hero .ph img{width:100%;height:100%;object-fit:cover}
.adv-hero .ph::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.45) 0%,rgba(0,0,0,.2) 40%,rgba(0,0,0,.78) 100%)}
.adv-hero .wrap{position:relative;z-index:2;padding:0 28px 56px;width:100%}
.adv-crumb{display:inline-flex;gap:8px;align-items:center;font-size:13px;color:rgba(255,255,255,.9);background:rgba(0,0,0,.5);padding:8px 16px;border-radius:30px;backdrop-filter:blur(6px);margin-bottom:22px}
.adv-crumb a{color:rgba(255,255,255,.9)}
.adv-crumb a:hover{color:#fff}
.adv-crumb .sep{opacity:.5;margin:0 2px}
.adv-hero h1{font-size:clamp(34px,5.6vw,68px);line-height:1.05;font-weight:800;letter-spacing:-.02em;margin:0 0 14px;max-width:920px}
.adv-hero .lead{font-size:16px;line-height:1.7;color:rgba(255,255,255,.88);max-width:760px}

.adv-lead{padding:60px 0 30px;text-align:center}
.adv-lead .wrap{max-width:820px;margin:0 auto;padding:0 28px}
.adv-lead .quote{font-size:21px;line-height:1.7;color:var(--ink);font-weight:600;letter-spacing:-.01em}
.adv-lead .quote::before,.adv-lead .quote::after{content:"";display:block;width:60px;height:2px;background:var(--gold);margin:24px auto}

.adv-section{padding:70px 0}
.adv-section.alt{background:var(--bg-2)}

.adv-pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px}
.adv-pillars .p{position:relative;border:1px solid var(--line);border-radius:6px;padding:26px 24px 22px;background:#fff;transition:.3s}
.adv-pillars .p:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(35,38,38,.08);border-color:var(--gold)}
.adv-pillars .num{position:absolute;top:14px;right:20px;font-size:40px;font-weight:800;color:var(--gold);opacity:.75;line-height:1;font-family:Helvetica,Arial,sans-serif}
.adv-pillars h3{font-size:18px;font-weight:800;margin:0 0 8px;color:var(--ink)}
.adv-pillars p{font-size:14px;line-height:1.65;color:var(--ink-3);margin:0}

.adv-system{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center;margin-top:20px}
.adv-system.rev{grid-template-columns:1fr 1.05fr}
.adv-system .ph{border-radius:6px;overflow:hidden;background:var(--bg-3)}
.adv-system .ph img{width:100%;height:420px;object-fit:cover}
.adv-system h3{font-size:24px;font-weight:800;margin:0 0 10px;color:var(--ink)}
.adv-system .sub{font-size:14px;line-height:1.7;color:var(--ink-2);margin:0 0 16px}
.adv-system ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.adv-system li{font-size:14.5px;line-height:1.6;color:var(--ink-2);padding-left:22px;position:relative}
.adv-system li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;background:var(--gold);border-radius:50%}

.adv-fourcol{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:20px}
.adv-fourcol .f{border-top:3px solid var(--gold);padding:22px 4px 0}
.adv-fourcol .f .ic{width:38px;height:38px;display:flex;align-items:center;justify-content:center;background:var(--bg-3);border-radius:50%;color:var(--gold-d);font-weight:800;margin-bottom:14px}
.adv-fourcol h3{font-size:16px;font-weight:800;margin:0 0 8px;color:var(--ink)}
.adv-fourcol p{font-size:13.5px;line-height:1.65;color:var(--ink-3);margin:0}

.adv-digital{display:grid;grid-template-columns:1fr 1.1fr;gap:36px;align-items:center;margin-top:20px;background:var(--bg-2);padding:40px;border-radius:6px}
.adv-digital .ph{border-radius:4px;overflow:hidden}
.adv-digital .ph img{width:100%;height:360px;object-fit:cover}
.adv-digital ul{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:12px}
.adv-digital li{font-size:14.5px;line-height:1.6;color:var(--ink-2);padding-left:24px;position:relative}
.adv-digital li::before{content:"▸";position:absolute;left:0;top:0;color:var(--gold);font-weight:800}

.adv-darkband{background:linear-gradient(135deg,#1b1b1b 0%,#2a2a2a 100%);color:#fff;padding:64px 0}
.adv-darkband .db{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.adv-darkband .d{text-align:center}
.adv-darkband .d .ic{width:62px;height:62px;display:flex;align-items:center;justify-content:center;background:var(--gold);color:#1b1b1b;border-radius:50%;font-size:24px;font-weight:800;margin:0 auto 16px}
.adv-darkband h3{font-size:18px;font-weight:800;margin:0 0 8px;color:#fff}
.adv-darkband p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.75);margin:0}

.adv-casefig{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:20px}
.adv-casefig figure{border-radius:6px;overflow:hidden;background:var(--bg-3);position:relative}
.adv-casefig img{width:100%;height:280px;object-fit:cover}
.adv-casefig figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 20px;background:linear-gradient(0deg,rgba(0,0,0,.78),transparent);color:#fff;font-size:13px;font-weight:700;letter-spacing:.04em}

.adv-cases{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:16px}

.adv-pager{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:var(--maxw);margin:0 auto;padding:30px 28px;border-top:1px solid var(--line)}
.adv-pager a{font-weight:700;font-size:14.5px;color:var(--ink);transition:.2s}
.adv-pager a:hover{color:var(--gold-d)}
.adv-pager .adv-back{font-size:13px;color:var(--ink-3);font-weight:600}

@media(max-width:980px){
  .adv-pillars{grid-template-columns:repeat(2,1fr)}
  .adv-system,.adv-system.rev,.adv-digital{grid-template-columns:1fr;gap:24px}
  .adv-system .ph img{height:320px}
  .adv-fourcol{grid-template-columns:repeat(2,1fr)}
  .adv-darkband .db{grid-template-columns:1fr;gap:24px}
  .adv-casefig,.adv-cases{grid-template-columns:1fr}
  .adv-hero{height:auto;min-height:480px}
}
@media(max-width:560px){
  .adv-pillars,.adv-fourcol{grid-template-columns:1fr}
  .adv-lead .quote{font-size:18px}
  .adv-digital{padding:24px}
}

/* ===== 核心优势 nav 下拉（hover 显示 14 个页面，可点击跳转） ===== */
.nav .menu .has-dropdown{position:relative}
.nav .menu .has-dropdown .adv-trigger{position:relative}
.nav .menu .has-dropdown .caret{font-size:10px;margin-left:4px;opacity:.55;transition:transform .2s;display:inline-block}
.nav .menu .has-dropdown:hover .caret{transform:rotate(180deg)}
.adv-dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);min-width:190px;max-width:240px;width:auto;background:#fff;border:1px solid var(--line);box-shadow:0 18px 50px rgba(35,38,38,.16);border-radius:4px;padding:8px 0;display:none;flex-direction:column;z-index:300;list-style:none;margin:0;opacity:0;transition:opacity .2s ease, transform .2s ease}
.nav .menu .has-dropdown:hover .adv-dropdown{display:flex;opacity:1;transform:translateX(-50%) translateY(0)}
.adv-dropdown li{list-style:none;margin:0;padding:0}
.adv-dropdown a{display:block;padding:10px 20px;font-size:13.5px;color:var(--ink);white-space:nowrap;line-height:1.35;border-left:2px solid transparent;transition:.18s}
.adv-dropdown a:hover{background:var(--bg-2);color:var(--gold-d);border-left-color:var(--gold);padding-left:24px}
@media(max-width:980px){
  .adv-dropdown{display:none!important}
}

/* ===== 核心优势页面 · 新模板系统 (ap-*) ===== */

/* Hero */
.ap-hero{position:relative;min-height:420px;max-height:560px;display:flex;align-items:flex-end;color:#fff;overflow:hidden;background:var(--ink)}
.ap-hero .ph{position:absolute;inset:0}
.ap-hero .ph img{width:100%;height:100%;object-fit:cover}
.ap-hero .ph::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.35) 0%,rgba(0,0,0,.15) 35%,rgba(0,0,0,.82) 100%)}
.ap-hero .wrap{position:relative;z-index:2;padding:0 28px 48px;width:100%}
.ap-crumb{display:inline-flex;gap:8px;align-items:center;font-size:12.5px;color:rgba(255,255,255,.85);background:rgba(0,0,0,.45);padding:7px 16px;border-radius:30px;backdrop-filter:blur(8px);margin-bottom:20px;letter-spacing:.02em}
.ap-crumb a{color:rgba(255,255,255,.85);transition:.2s}
.ap-crumb a:hover{color:var(--gold)}
.ap-crumb .sep{opacity:.4;margin:0 2px}
.ap-hero h1{font-size:clamp(30px,4.8vw,58px);line-height:1.08;font-weight:800;letter-spacing:-.02em;margin:0 0 14px;max-width:880px}
.ap-hero .lead{font-size:15.5px;line-height:1.75;color:rgba(255,255,255,.85);max-width:680px}

/* 引言区 */
.ap-quote{padding:56px 0 40px;text-align:center}
.ap-quote .wrap{max-width:780px;margin:0 auto;padding:0 28px}
.ap-quote .q{font-size:clamp(20px,2.4vw,28px);line-height:1.6;color:var(--ink);font-weight:700;letter-spacing:-.01em;position:relative;padding:0 40px}
.ap-quote .q::before{content:"\201C";position:absolute;left:0;top:-10px;font-size:56px;color:var(--gold);opacity:.4;font-family:Georgia,serif;line-height:1}
.ap-quote .q::after{content:"\201D";position:absolute;right:0;bottom:-30px;font-size:56px;color:var(--gold);opacity:.4;font-family:Georgia,serif;line-height:1}

/* 通用section */
.ap-sec{padding:72px 0}
.ap-sec.alt{background:var(--bg-2)}
.ap-sec-head{margin-bottom:40px}
.ap-sec-head .eyebrow{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-3);font-weight:700;display:flex;align-items:center;gap:12px;margin-bottom:12px}
.ap-sec-head .eyebrow::before{content:"";width:28px;height:2px;background:var(--gold)}
.ap-sec-head h2{font-size:clamp(24px,3vw,38px);line-height:1.2;font-weight:800;letter-spacing:-.015em}
.ap-sec-head .sub{color:var(--ink-2);font-size:15px;line-height:1.7;margin-top:10px;max-width:680px}

/* 工艺展示（图文交替） */
.ap-craft{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.ap-craft.rev .ap-craft-img{order:2}
.ap-craft-img{border-radius:8px;overflow:hidden;background:var(--bg-3);position:relative}
.ap-craft-img img{width:100%;height:380px;object-fit:cover;transition:.6s}
.ap-craft-img:hover img{transform:scale(1.04)}
.ap-craft-img .badge{position:absolute;left:16px;top:16px;background:var(--gold);color:#1b1b1b;font-size:11px;font-weight:800;padding:5px 12px;border-radius:2px;letter-spacing:.05em;z-index:2}
.ap-craft-body .step-no{font-size:13px;letter-spacing:.2em;color:var(--gold-d);font-weight:800;margin-bottom:8px}
.ap-craft-body h3{font-size:24px;font-weight:800;margin:0 0 12px;color:var(--ink);line-height:1.25}
.ap-craft-body .desc{font-size:14.5px;line-height:1.75;color:var(--ink-2);margin:0 0 18px}
.ap-craft-body ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.ap-craft-body li{font-size:14px;line-height:1.6;color:var(--ink-2);padding-left:24px;position:relative}
.ap-craft-body li::before{content:"";position:absolute;left:0;top:9px;width:14px;height:2px;background:var(--gold)}

/* 精度指标卡 */
.ap-specs{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ap-spec{background:#fff;border:1px solid var(--line);border-radius:6px;padding:24px 20px;text-align:center;transition:.28s;position:relative;overflow:hidden}
.ap-spec::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:.3s}
.ap-spec:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(35,38,38,.08);border-color:transparent}
.ap-spec:hover::before{transform:scaleX(1)}
.ap-spec .val{font-size:clamp(28px,3vw,40px);font-weight:800;color:var(--ink);line-height:1;letter-spacing:-.02em}
.ap-spec .val .u{font-size:.45em;color:var(--gold-d);font-weight:700;margin-left:3px}
.ap-spec .label{font-size:13px;color:var(--ink-3);margin-top:10px;line-height:1.5}

/* 参数表格 */
.ap-table-wrap{overflow-x:auto;border-radius:6px;box-shadow:0 2px 12px rgba(35,38,38,.06)}
.ap-table{width:100%;border-collapse:collapse;background:#fff;min-width:560px}
.ap-table thead{background:var(--ink)}
.ap-table th{padding:14px 20px;font-size:13px;font-weight:700;color:var(--gold);text-align:left;letter-spacing:.04em}
.ap-table td{padding:13px 20px;font-size:14px;color:var(--ink-2);border-bottom:1px solid var(--line);line-height:1.6}
.ap-table tr:last-child td{border-bottom:none}
.ap-table tbody tr:hover td{background:var(--bg-2)}
.ap-table td b{color:var(--ink);font-weight:700}
.ap-table td .gold{color:var(--gold-d);font-weight:700}

/* 流程步骤 */
.ap-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ap-step{background:#fff;border:1px solid var(--line);border-radius:6px;padding:28px 24px;position:relative;transition:.28s}
.ap-step:hover{border-color:var(--gold);box-shadow:0 10px 28px rgba(35,38,38,.07);transform:translateY(-3px)}
.ap-step .no{width:36px;height:36px;border-radius:50%;background:var(--ink);color:var(--gold);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;margin-bottom:16px}
.ap-step h3{font-size:18px;font-weight:800;margin:0 0 10px;color:var(--ink)}
.ap-step .goal{font-size:12px;color:var(--gold-d);font-weight:700;letter-spacing:.05em;margin-bottom:10px;text-transform:uppercase}
.ap-step p{font-size:13.5px;line-height:1.7;color:var(--ink-2);margin:0}
.ap-step ul{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:6px}
.ap-step ul li{font-size:13px;color:var(--ink-3);padding-left:16px;position:relative;line-height:1.5}
.ap-step ul li::before{content:"\2022";position:absolute;left:2px;color:var(--gold);font-weight:800}

/* 指标矩阵 */
.ap-matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.ap-mat{background:#fff;border:1px solid var(--line);border-radius:6px;padding:26px;display:flex;gap:20px;align-items:flex-start;transition:.28s}
.ap-mat:hover{border-color:var(--gold);box-shadow:0 10px 28px rgba(35,38,38,.07)}
.ap-mat .ic{width:44px;height:44px;border-radius:8px;background:var(--bg-2);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;color:var(--gold-d);font-weight:800}
.ap-mat .bd{flex:1}
.ap-mat .bd h3{font-size:17px;font-weight:800;margin:0 0 8px;color:var(--ink)}
.ap-mat .bd p{font-size:13.5px;line-height:1.65;color:var(--ink-2);margin:0}
.ap-mat .bd .meta{font-size:12px;color:var(--gold-d);font-weight:700;margin-top:8px;letter-spacing:.03em}

/* 能力支柱 */
.ap-pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ap-pillar{background:#fff;border:1px solid var(--line);border-radius:6px;padding:28px 24px;position:relative;transition:.3s;overflow:hidden}
.ap-pillar::before{content:"";position:absolute;left:0;top:0;width:4px;height:100%;background:var(--gold);transform:scaleY(0);transform-origin:top;transition:.3s}
.ap-pillar:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(35,38,38,.08);border-color:transparent}
.ap-pillar:hover::before{transform:scaleY(1)}
.ap-pillar .num{font-size:14px;letter-spacing:.15em;color:var(--gold-d);font-weight:800;margin-bottom:12px}
.ap-pillar h3{font-size:18px;font-weight:800;margin:0 0 10px;color:var(--ink)}
.ap-pillar p{font-size:13.5px;line-height:1.7;color:var(--ink-3);margin:0}

/* 数字化体系 */
.ap-sys-block{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;background:var(--bg-2);padding:40px;border-radius:8px}
.ap-sys-block .ph{border-radius:6px;overflow:hidden}
.ap-sys-block .ph img{width:100%;height:340px;object-fit:cover}
.ap-sys-block h3{font-size:22px;font-weight:800;margin:0 0 10px;color:var(--ink)}
.ap-sys-block p{font-size:14px;line-height:1.7;color:var(--ink-2);margin:0 0 14px}
.ap-sys-block ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.ap-sys-block li{font-size:14px;line-height:1.6;color:var(--ink-2);padding-left:24px;position:relative}
.ap-sys-block li::before{content:"\25B8";position:absolute;left:0;top:0;color:var(--gold);font-weight:800}

/* 服务承诺（暗色） */
.ap-promise{background:var(--ink);color:#fff;padding:72px 0}
.ap-promise .db{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:30px}
.ap-promise .d{text-align:center;padding:0 20px}
.ap-promise .d .ic{width:56px;height:56px;display:flex;align-items:center;justify-content:center;background:var(--gold);color:#1b1b1b;border-radius:50%;font-size:22px;font-weight:800;margin:0 auto 16px}
.ap-promise h3{font-size:18px;font-weight:800;margin:0 0 8px;color:#fff}
.ap-promise p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.7);margin:0}

/* 应用案例 */
.ap-cases{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ap-case{position:relative;border-radius:6px;overflow:hidden;height:300px;color:#fff;display:block}
.ap-case img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.6s}
.ap-case::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,14,16,.1) 40%,rgba(12,14,16,.88) 100%)}
.ap-case:hover img{transform:scale(1.05)}
.ap-case .ct{position:absolute;left:20px;right:20px;bottom:20px;z-index:2}
.ap-case .tag{font-size:11px;letter-spacing:.15em;color:var(--gold);font-weight:800;text-transform:uppercase}
.ap-case h3{font-size:18px;margin:6px 0 6px;font-weight:800}
.ap-case p{font-size:12.5px;color:rgba(255,255,255,.8);line-height:1.5}

/* 底部CTA */
.ap-cta{padding:80px 0;text-align:center;background:var(--bg-2)}
.ap-cta h2{font-size:clamp(24px,3vw,38px);font-weight:800;line-height:1.2;margin-bottom:14px;letter-spacing:-.015em}
.ap-cta p{color:var(--ink-2);max-width:540px;margin:0 auto 28px;font-size:15px;line-height:1.8}

/* 返回导航 */
.ap-back-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:var(--maxw);margin:0 auto;padding:28px 28px;border-top:1px solid var(--line)}
.ap-back-bar a{font-weight:700;font-size:14px;color:var(--ink);transition:.2s}
.ap-back-bar a:hover{color:var(--gold-d)}
.ap-back-bar .back{font-size:13px;color:var(--ink-3);font-weight:600}

/* 响应式 */
@media(max-width:980px){
  .ap-craft,.ap-craft.rev{grid-template-columns:1fr;gap:28px}
  .ap-craft.rev .ap-craft-img{order:0}
  .ap-craft-img img{height:300px}
  .ap-specs{grid-template-columns:repeat(2,1fr)}
  .ap-steps{grid-template-columns:1fr}
  .ap-matrix{grid-template-columns:1fr}
  .ap-pillars{grid-template-columns:repeat(2,1fr)}
  .ap-sys-block{grid-template-columns:1fr;gap:24px;padding:28px}
  .ap-promise .db{grid-template-columns:1fr;gap:24px}
  .ap-cases{grid-template-columns:1fr}
  .ap-hero{min-height:380px}
}
@media(max-width:560px){
  .ap-specs,.ap-pillars{grid-template-columns:1fr}
  .ap-quote .q{font-size:18px;padding:0 20px}
  .ap-quote .q::before,.ap-quote .q::after{display:none}
}