header.solid nav a.on{color:var(--blue-text);font-weight:600}
  footer .f-nav a.on{color:#FFFFFF;font-weight:600}

  
  .pagehead{padding:158px 0 20px}
  .pagehead .eyebrow{margin:0 0 16px;font-size:13px;font-weight:700;letter-spacing:.14em;
                     color:var(--blue-text);text-transform:uppercase}
  .pagehead h1{margin:0;font-family:var(--serif);font-weight:600;color:var(--navy);
               font-size:clamp(30px,4.2vw,46px);line-height:1.22}
  .pagehead h1 i{font-style:normal;color:var(--blue-bright);padding:0 8px}
  .pagehead .plead{margin:18px 0 0;color:var(--muted);font-size:clamp(15px,1.7vw,18px);max-width:44em}

  
  .pagehero{--hero-bg:linear-gradient(135deg,#0B2545 0%,#123A6B 100%);
            position:relative;display:flex;align-items:center;overflow:hidden;text-align:center;
            background:var(--navy);padding:78px 0 0;margin:0 0 96px;
            min-height:clamp(400px,50vh,500px)}
  
  .pagehero-about   {--hero-bg:url('img/banner-about.webp')}
  .pagehero-services{--hero-bg:url('img/banner-services.webp')}
  .pagehero-ai      {--hero-bg:url('img/banner-ai.webp')}
  .pagehero-contact {--hero-bg:url('img/banner-contact.webp')}
  .pagehero-faq     {--hero-bg:url('img/banner-faq.webp')}
  .pagehero-zhishi  {--hero-bg:url('img/banner-zhishi.webp')}
  .pagehero-privacy {--hero-bg:url('img/banner-privacy.webp')}
  
  .pagehero-brands  {--hero-bg:url('img/banner-brands.webp')}
  
  .pagehero-bg{position:absolute;inset:0;pointer-events:none;
               background-image:var(--hero-bg);
               background-size:cover;background-position:center 44%}
  
  .pagehero-scrim{position:absolute;inset:0;pointer-events:none;
                  background:
                    radial-gradient(680px 260px at 93% -20%,rgba(63,199,222,.15),transparent 68%),
                    radial-gradient(540px 240px at 2% 118%,rgba(46,134,222,.14),transparent 68%),
                    linear-gradient(180deg,transparent 0%,transparent 56%,rgba(8,26,49,.58) 100%),
                    linear-gradient(rgba(8,26,49,.62),rgba(8,26,49,.62))}
  
  .pagehero::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
                    background-image:
                      repeating-linear-gradient(0deg,rgba(127,182,238,.085) 0 1px,transparent 1px 44px),
                      repeating-linear-gradient(90deg,rgba(127,182,238,.085) 0 1px,transparent 1px 44px);
                    -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.92) 0%,rgba(0,0,0,.20) 32%,rgba(0,0,0,.20) 68%,rgba(0,0,0,.92) 100%);
                    mask-image:linear-gradient(180deg,rgba(0,0,0,.92) 0%,rgba(0,0,0,.20) 32%,rgba(0,0,0,.20) 68%,rgba(0,0,0,.92) 100%)}
  
  .pagehero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;z-index:3;
                   pointer-events:none;
                   background:linear-gradient(90deg,transparent,rgba(63,199,222,.55),transparent)}
  .pagehero-inner{position:relative;z-index:2;width:100%;padding:54px 0 62px}
  .pagehero .eyebrow{margin:0 0 18px;font-size:13px;font-weight:700;letter-spacing:.16em;
                     color:var(--cyan-lit);text-transform:uppercase}
  .pagehero h1{margin:0;font-family:var(--serif);font-weight:600;color:#FFFFFF;
               font-size:clamp(30px,4.6vw,50px);line-height:1.22}
  .pagehero h1 i{font-style:normal;color:var(--cyan-lit);padding:0 10px}
  
  .pagehero .nw{white-space:nowrap}
  .pagehero .cats{margin:22px 0 0;color:#C4D6EA;font-size:clamp(15px,1.75vw,18px);letter-spacing:.02em}
  .pagehero .cats i{font-style:normal;color:var(--cyan-lit);padding:0 9px}

  
  .sec{padding:0 0 96px}
  .sec.pad{padding-top:0}

  
  .nums{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
  .nums .n{background:var(--card);border:1px solid var(--line);border-radius:12px;
           padding:26px 20px 24px;position:relative;overflow:hidden;text-align:center;
           transition:border-color .2s,box-shadow .2s,transform .2s}
  
  .nums .n::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;
                   background:linear-gradient(90deg,var(--blue),var(--blue-bright) 58%,var(--cyan))}
  .nums .n:hover{border-color:#C6D6E8;box-shadow:var(--shadow);transform:translateY(-2px)}
  
  .nums .n .ni{display:inline-flex;align-items:center;justify-content:center;
               width:44px;height:44px;border-radius:12px;margin:0 0 16px;
               background:rgba(31,111,208,.09);border:1px solid rgba(31,111,208,.20)}
  .nums .n .ni svg{width:22px;height:22px;display:block;fill:none;stroke:var(--blue);
                   stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
  .nums .n b{display:block;font-size:30px;font-weight:700;color:var(--navy);
             line-height:1.15;font-variant-numeric:tabular-nums;white-space:nowrap}
  .nums .n b em{font-style:normal;font-size:19px;margin-left:2px}
  .nums .n span{display:block;margin-top:7px;color:var(--muted);font-size:13.5px;line-height:1.6}

  
  .prose{max-width:42em}
  .prose p{margin:0 0 22px;color:var(--text);font-size:clamp(15.5px,1.65vw,17px);line-height:1.95}
  .prose p:last-child{margin-bottom:0}
  .prose strong{color:var(--navy);font-weight:600}
  
  .prose .lead{padding-left:22px;border-left:3px solid var(--blue-bright);
               color:var(--navy);font-weight:500;
               font-size:clamp(17px,1.85vw,20px);line-height:1.85}

  
  .shots{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
  .shot{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:16/10;
        border:1px dashed #C6D6E8;
        background:linear-gradient(150deg,#EAF2FB,#DCE8F6);
        display:flex;flex-direction:column;justify-content:flex-end;padding:22px}
  .shot::after{content:"";position:absolute;right:-56px;top:-64px;width:180px;height:180px;
               border-radius:50%;background:radial-gradient(circle,rgba(46,134,222,.16),transparent 68%);
               pointer-events:none}
  .shot b{position:relative;color:var(--navy);font-size:16px;font-weight:600}
  .shot span{position:relative;margin-top:6px;color:var(--muted);font-size:12.5px}

  
  .h-row.plain{margin-bottom:26px}

  

  
  .anchors{position:sticky;top:78px;z-index:20;margin:0 0 52px;
           background:rgba(244,247,251,.93);backdrop-filter:saturate(1.5) blur(10px);
           border-bottom:1px solid var(--line)}
  .anchors .in{display:flex;gap:8px;overflow-x:auto;padding:12px 0;
               scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .anchors .in::-webkit-scrollbar{display:none}
  .anchors a{flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 17px;
             border:1px solid var(--line);border-radius:999px;background:var(--card);
             color:var(--navy);font-size:14.5px;font-weight:600;text-decoration:none;
             white-space:nowrap;transition:.18s}
  .anchors a:hover{border-color:#C6D6E8;color:var(--blue-text)}
  .anchors a.on{background:var(--navy);border-color:var(--navy);color:#fff}

  
  .cat,.fgroup{scroll-margin-top:152px}

  
  .cat + .cat{margin-top:56px;padding-top:56px;border-top:1px solid var(--line)}
  .cat h2{margin:0 0 10px;font-family:var(--serif);font-weight:600;color:var(--navy);
          font-size:clamp(24px,3vw,32px);line-height:1.3}
  .cat .one{margin:0;color:var(--muted);font-size:clamp(15px,1.7vw,17px);line-height:1.8;max-width:44em}
  
  .catgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px 32px;margin:30px 0 0}
  .blk.wide{grid-column:1 / -1}

  .blk{margin:0}
  .blk > h3{margin:0 0 12px;font-size:16.5px;font-weight:600;color:var(--navy);
            display:flex;align-items:center;gap:9px}
  .blk > h3::before{content:"";width:14px;height:3px;border-radius:2px;background:var(--blue-bright);flex:0 0 auto}
  .blk ul{margin:0;padding:0;list-style:none}
  .blk li{position:relative;padding:0 0 9px 24px;color:var(--text);font-size:15.5px;line-height:1.8}
  .blk li:last-child{padding-bottom:0}
  .blk li::before{content:"";position:absolute;left:3px;top:11px;width:5px;height:5px;
                  border-radius:50%;background:var(--blue-bright)}

  
  .blk.ck li::before{left:3px;top:9px;width:5px;height:9px;border-radius:0;
                     border:solid var(--blue);border-width:0 2px 2px 0;transform:rotate(45deg)}

  
  .blk.how{background:#EEF4FB;border:1px solid #DCE8F6;border-radius:12px;padding:22px 24px 16px}
  .blk.how > h3::before{background:var(--navy)}
  .blk.how li::before{background:var(--navy)}

  .cat .more{margin:26px 0 0;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
  .cat .more .txt{font-size:15px;color:var(--muted)}
  .btn-xs{height:40px;padding:0 18px;font-size:14.5px}

  
  .csteps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
  .csteps .s{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:26px 24px}
  .csteps .s b{display:block;font-size:12.5px;font-weight:700;letter-spacing:.12em;
               color:var(--blue-text);margin:0 0 12px;font-variant-numeric:tabular-nums}
  .csteps .s h3{margin:0 0 8px;font-size:18px;font-weight:600;color:var(--navy)}
  .csteps .s p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.8}

  
  .scenes{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
  .scene{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:26px 24px}
  .scene h3{margin:0 0 10px;font-size:18px;font-weight:600;color:var(--navy);
            display:flex;align-items:center;gap:10px}
  .sic{width:24px;height:24px;flex:0 0 auto;fill:none;stroke:var(--cyan);
       stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
  .scene p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.8}

  
  .howto{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
  .howto .h{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:26px 24px}
  .howto .hn{display:flex;align-items:baseline;gap:9px;margin:0 0 14px}
  .howto .n{font-family:var(--serif);font-size:26px;line-height:1;font-weight:600;
            color:#0B6B80;font-variant-numeric:tabular-nums}
  .howto .hi{width:auto;height:auto;margin:0;padding:0;background:none;
             border:0;border-radius:0;display:block}
  .howto .hi svg{width:19px;height:19px;stroke:#0B6B80;stroke-width:1.5;opacity:.85}
  .howto h3{margin:0 0 8px;font-size:17.5px;font-weight:600;color:var(--navy)}
  .howto p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.8}

  
  .feats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
  .feat{border-left:3px solid var(--cyan);padding:2px 0 2px 18px}
  .feat h3{margin:0 0 8px;font-size:16.5px;font-weight:600;color:var(--navy)}
  .feat p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.8}

  
  .quota{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:30px 30px;
         display:flex;align-items:center;gap:26px;flex-wrap:wrap}
  .quota .t{flex:1 1 420px}
  .quota h3{margin:0 0 8px;font-size:18px;font-weight:600;color:var(--navy)}
  .quota p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.8}

  
  .ct-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:24px;align-items:start}
  .ct-col{display:grid;gap:24px}
  .qrbig{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:34px;text-align:center}
  .qrbig img{width:210px;height:auto;aspect-ratio:1/1;border-radius:12px;display:block;margin:0 auto 20px}
  
  .qrbig picture{display:block}
  .qrbig h2{margin:0 0 10px;font-family:var(--serif);font-size:clamp(20px,2.4vw,24px);
            font-weight:600;color:var(--navy);line-height:1.35}
  .qrbig p{margin:0;color:var(--muted);font-size:15px;line-height:1.8}
  .qrbig .tip{margin-top:14px;font-size:13px;color:var(--muted)}

  .telbig{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:28px 32px}
  .telbig h2{margin:0 0 4px;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--blue-text)}
  .telbig a{display:inline-block;margin:4px 0 2px;font-size:clamp(28px,4vw,36px);font-weight:700;
            color:var(--navy);text-decoration:none;font-variant-numeric:tabular-nums}
  .telbig a:hover{color:var(--blue-text)}
  .telbig p{margin:0;font-size:13px;color:var(--muted)}

  .info{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:28px 32px}
  .info dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:14px 20px;align-items:baseline}
  .info dt{color:var(--muted);font-size:14px;white-space:nowrap}
  .info dd{margin:0;color:var(--text);font-size:15.5px;line-height:1.75}
  .copied{color:var(--blue-text);font-size:13px;margin-left:8px}

  .mapland{border-radius:16px;overflow:hidden;border:1px solid var(--line);background:var(--card)}
  .mapland .ph{aspect-ratio:16/10;position:relative;display:flex;flex-direction:column;
               align-items:center;justify-content:center;gap:8px;
               background:linear-gradient(150deg,#EAF2FB,#DCE8F6)}
  .mapland .ph b{color:var(--navy);font-size:15px;font-weight:600}
  .mapland .ph span{color:var(--muted);font-size:12.5px}
  .mapland .bar{display:flex;align-items:center;gap:16px;padding:18px 24px;flex-wrap:wrap}

  
  .fgroup{margin:0 0 56px}
  .fgroup > h2{margin:0 0 18px;font-family:var(--serif);font-weight:600;color:var(--navy);
               font-size:clamp(21px,2.6vw,26px);display:flex;align-items:baseline;gap:12px}
  .fgroup > h2 span{font-family:var(--sans);font-size:13px;font-weight:700;letter-spacing:.12em;
                    color:var(--blue-text)}

  
  .nf{text-align:center;padding:150px 0 30px}
  .nf .code{font-family:var(--serif);font-size:clamp(72px,13vw,124px);font-weight:600;
            color:var(--navy);line-height:1}
  .nf h1{margin:16px 0 12px;font-family:var(--sans);font-size:clamp(22px,3vw,28px);
         font-weight:600;color:var(--navy)}
  .nf p{margin:0 auto;max-width:36em;color:var(--muted);font-size:15.5px;line-height:1.85}
  .nf .acts{margin:30px 0 0;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
  .nf .links{margin:36px 0 0;display:flex;gap:10px 28px;justify-content:center;flex-wrap:wrap;font-size:15px}
  .nf .links a{color:var(--blue-text);text-decoration:none}
  .nf .links a:hover{text-decoration:underline}

  
  .endnote{margin:34px 0 0;color:var(--muted);font-size:15px;line-height:1.85}
  .endnote a{color:var(--blue-text);font-weight:600;text-decoration:none}
  .endnote a:hover{text-decoration:underline}

  

  
  .photos{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
  .photos.two{grid-template-columns:repeat(2,1fr);max-width:720px;
              margin-left:auto;margin-right:auto}
  .photos.four{grid-template-columns:repeat(4,1fr)}
  .photo{margin:0;position:relative;border-radius:12px;overflow:hidden;
         aspect-ratio:3/4;background:#DCE8F6;border:1px solid var(--line)}
  .photo.wide{aspect-ratio:16/10}
  .photo.r43{aspect-ratio:4/3}
  .photo img{width:100%;height:100%;object-fit:cover;display:block;
             transition:transform .55s cubic-bezier(.2,.7,.3,1)}
  .photo:hover img{transform:scale(1.045)}
  .photo figcaption{position:absolute;left:0;right:0;bottom:0;padding:46px 18px 15px;
                    background:linear-gradient(transparent,rgba(8,26,49,.82) 62%);
                    color:#fff;font-size:14.5px;font-weight:600;line-height:1.5}
  .photo figcaption span{display:block;margin-top:3px;font-size:12.5px;font-weight:400;
                         color:rgba(255,255,255,.76)}
  
  .photo figcaption span.nw{display:inline;white-space:nowrap}

  
  .split{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);
         gap:48px;align-items:center}
  .split.rev .split-media{order:-1}
  .split .split-copy p{margin:0 0 16px;color:var(--text);font-size:15.5px;line-height:1.9}
  .split .split-copy p:last-child{margin-bottom:0}
  .split .split-media .photo{aspect-ratio:4/3}

  
  .aboutsplit{display:grid;grid-template-columns:minmax(0,42em) minmax(0,1fr);
              gap:48px;align-items:start}
  .aboutsplit-copy{max-width:none}
  .aboutsplit-media{position:sticky;top:110px;display:grid;gap:16px}
  .aboutsplit-media .photo{aspect-ratio:4/3}

  
  .ico-xl{display:inline-flex;align-items:center;justify-content:center;
          width:72px;height:72px;border-radius:16px;flex:0 0 auto;
          background:linear-gradient(150deg,#EAF2FB,#DCE8F6);border:1px solid #D6E3F2}
  .ico-xl svg{width:38px;height:38px;fill:none;stroke:var(--blue);stroke-width:1.5;
              stroke-linecap:round;stroke-linejoin:round}

  
  .tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
  .tiles.four{grid-template-columns:repeat(4,1fr)}
  .tile{background:var(--card);border:1px solid var(--line);border-radius:12px;
        padding:26px 24px 24px;transition:border-color .2s,box-shadow .2s,transform .2s}
  .tile:hover{border-color:#C6D6E8;box-shadow:0 10px 30px rgba(11,37,69,.08);
              transform:translateY(-2px)}
  .tile .ti{display:inline-flex;align-items:center;justify-content:center;
            width:46px;height:46px;border-radius:12px;margin:0 0 16px;
            background:rgba(31,111,208,.09);border:1px solid rgba(31,111,208,.20)}
  .tile .ti svg{width:23px;height:23px;fill:none;stroke:var(--blue);stroke-width:1.6;
                stroke-linecap:round;stroke-linejoin:round}
  .tile h3{margin:0 0 8px;font-size:17px;font-weight:600;color:var(--navy);line-height:1.45}
  .tile p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.8}

  
  .diag{position:relative;max-width:780px;margin:0 auto;
        background:linear-gradient(135deg,#FFFFFF 0%,#F4F9FF 100%);
        border:1px solid #DCE5EF;border-radius:16px;padding:22px 26px 14px;overflow:hidden;
        box-shadow:0 10px 30px rgba(11,37,69,.05)}
  .diag::before{content:"";position:absolute;inset:0;pointer-events:none;
        background-image:linear-gradient(rgba(31,111,208,.04) 1px,transparent 1px),
                         linear-gradient(90deg,rgba(31,111,208,.04) 1px,transparent 1px);
        background-size:44px 44px}
  .diag svg{position:relative;display:block;width:100%;max-width:100%;height:auto}
  .diag .cap{margin:12px auto 0;max-width:52em;text-align:center;
             color:var(--muted);font-size:13.5px;line-height:1.8}

  
  .cat-h{display:flex;align-items:center;gap:20px;margin:0 0 12px}
  .cat-h h2{margin:0}

  
  .csteps .s .si{display:inline-flex;align-items:center;justify-content:center;
                 width:44px;height:44px;border-radius:12px;margin:0 0 14px;
                 background:rgba(31,111,208,.09);border:1px solid rgba(31,111,208,.20)}
  .csteps .s .si svg{width:22px;height:22px;fill:none;stroke:var(--blue);stroke-width:1.6;
                     stroke-linecap:round;stroke-linejoin:round}

  
  .dg-ac .dg-e-t{fill:url(#acet)}.dg-ac .dg-e-x{fill:url(#acex)}.dg-ac .dg-e-y{fill:url(#acey)}
  .dg-ac .dg-m-t{fill:url(#acmt)}.dg-ac .dg-m-x{fill:url(#acmx)}.dg-ac .dg-m-y{fill:url(#acmy)}
  .dg-ac .dg-d-t{fill:url(#acdt)}.dg-ac .dg-d-x{fill:url(#acdx)}.dg-ac .dg-d-y{fill:url(#acdy)}
  .dg-ac .dg-e-t,.dg-ac .dg-e-x,.dg-ac .dg-e-y{stroke:#AFC8E2;stroke-width:.9;stroke-linejoin:round}
  .dg-ac .dg-m-t,.dg-ac .dg-m-x,.dg-ac .dg-m-y{stroke:#9BB9DC;stroke-width:.9;stroke-linejoin:round;filter:url(#acsh)}
  .dg-ac .dg-d-t,.dg-ac .dg-d-x,.dg-ac .dg-d-y{stroke:#6FA0D6;stroke-width:.9;stroke-linejoin:round;filter:url(#acsh)}
  .dg-ac .dg-e-side{fill:url(#acecy);stroke:#AFC8E2;stroke-width:.9}
  .dg-ac .dg-d-side{fill:url(#accy);stroke:#6FA0D6;stroke-width:.9;filter:url(#acsh)}
  .dg-ac .dg-cap-t{fill:url(#acet);stroke:#AFC8E2;stroke-width:.9}
  .dg-ac .dg-hole-t{fill:url(#achol);stroke:#5E90C8;stroke-width:.9}
  .dg-ac .dg-ring{fill:none;stroke:#C6DBF0;stroke-width:6}
  .dg-ac .dg-coil{fill:none;stroke:#2E86DE;stroke-width:9;stroke-linecap:round;stroke-linejoin:round;filter:url(#acgl)}
  .dg-ac .dg-flowc{fill:url(#acfl);filter:url(#acgl);stroke:none}
  .dg-ac .dg-flowu{fill:url(#acfu);filter:url(#acgl);stroke:none}
  .dg-fl .dg-e-t{fill:url(#flet)}.dg-fl .dg-e-x{fill:url(#flex)}.dg-fl .dg-e-y{fill:url(#fley)}
  .dg-fl .dg-m-t{fill:url(#flmt)}.dg-fl .dg-m-x{fill:url(#flmx)}.dg-fl .dg-m-y{fill:url(#flmy)}
  .dg-fl .dg-d-t{fill:url(#fldt)}.dg-fl .dg-d-x{fill:url(#fldx)}.dg-fl .dg-d-y{fill:url(#fldy)}
  .dg-fl .dg-e-t,.dg-fl .dg-e-x,.dg-fl .dg-e-y{stroke:#AFC8E2;stroke-width:.9;stroke-linejoin:round}
  .dg-fl .dg-m-t,.dg-fl .dg-m-x,.dg-fl .dg-m-y{stroke:#9BB9DC;stroke-width:.9;stroke-linejoin:round;filter:url(#flsh)}
  .dg-fl .dg-d-t,.dg-fl .dg-d-x,.dg-fl .dg-d-y{stroke:#6FA0D6;stroke-width:.9;stroke-linejoin:round;filter:url(#flsh)}
  .dg-fl .dg-e-side{fill:url(#flecy);stroke:#AFC8E2;stroke-width:.9}
  .dg-fl .dg-d-side{fill:url(#flcy);stroke:#6FA0D6;stroke-width:.9;filter:url(#flsh)}
  .dg-fl .dg-cap-t{fill:url(#flet);stroke:#AFC8E2;stroke-width:.9}
  .dg-fl .dg-hole-t{fill:url(#flhol);stroke:#5E90C8;stroke-width:.9}
  .dg-fl .dg-ring{fill:none;stroke:#C6DBF0;stroke-width:6}
  .dg-fl .dg-coil{fill:none;stroke:#2E86DE;stroke-width:9;stroke-linecap:round;stroke-linejoin:round;filter:url(#flgl)}
  .dg-fl .dg-flowc{fill:url(#flfl);filter:url(#flgl);stroke:none}
  .dg-fl .dg-flowu{fill:url(#flfu);filter:url(#flgl);stroke:none}
  .dg-fa .dg-e-t{fill:url(#faet)}.dg-fa .dg-e-x{fill:url(#faex)}.dg-fa .dg-e-y{fill:url(#faey)}
  .dg-fa .dg-m-t{fill:url(#famt)}.dg-fa .dg-m-x{fill:url(#famx)}.dg-fa .dg-m-y{fill:url(#famy)}
  .dg-fa .dg-d-t{fill:url(#fadt)}.dg-fa .dg-d-x{fill:url(#fadx)}.dg-fa .dg-d-y{fill:url(#fady)}
  .dg-fa .dg-e-t,.dg-fa .dg-e-x,.dg-fa .dg-e-y{stroke:#AFC8E2;stroke-width:.9;stroke-linejoin:round}
  .dg-fa .dg-m-t,.dg-fa .dg-m-x,.dg-fa .dg-m-y{stroke:#9BB9DC;stroke-width:.9;stroke-linejoin:round;filter:url(#fash)}
  .dg-fa .dg-d-t,.dg-fa .dg-d-x,.dg-fa .dg-d-y{stroke:#6FA0D6;stroke-width:.9;stroke-linejoin:round;filter:url(#fash)}
  .dg-fa .dg-e-side{fill:url(#faecy);stroke:#AFC8E2;stroke-width:.9}
  .dg-fa .dg-d-side{fill:url(#facy);stroke:#6FA0D6;stroke-width:.9;filter:url(#fash)}
  .dg-fa .dg-cap-t{fill:url(#faet);stroke:#AFC8E2;stroke-width:.9}
  .dg-fa .dg-hole-t{fill:url(#fahol);stroke:#5E90C8;stroke-width:.9}
  .dg-fa .dg-ring{fill:none;stroke:#C6DBF0;stroke-width:6}
  .dg-fa .dg-coil{fill:none;stroke:#2E86DE;stroke-width:9;stroke-linecap:round;stroke-linejoin:round;filter:url(#fagl)}
  .dg-fa .dg-flowc{fill:url(#fafl);filter:url(#fagl);stroke:none}
  .dg-fa .dg-flowu{fill:url(#fafu);filter:url(#fagl);stroke:none}
  .dg-wt .dg-e-t{fill:url(#wtet)}.dg-wt .dg-e-x{fill:url(#wtex)}.dg-wt .dg-e-y{fill:url(#wtey)}
  .dg-wt .dg-m-t{fill:url(#wtmt)}.dg-wt .dg-m-x{fill:url(#wtmx)}.dg-wt .dg-m-y{fill:url(#wtmy)}
  .dg-wt .dg-d-t{fill:url(#wtdt)}.dg-wt .dg-d-x{fill:url(#wtdx)}.dg-wt .dg-d-y{fill:url(#wtdy)}
  .dg-wt .dg-e-t,.dg-wt .dg-e-x,.dg-wt .dg-e-y{stroke:#AFC8E2;stroke-width:.9;stroke-linejoin:round}
  .dg-wt .dg-m-t,.dg-wt .dg-m-x,.dg-wt .dg-m-y{stroke:#9BB9DC;stroke-width:.9;stroke-linejoin:round;filter:url(#wtsh)}
  .dg-wt .dg-d-t,.dg-wt .dg-d-x,.dg-wt .dg-d-y{stroke:#6FA0D6;stroke-width:.9;stroke-linejoin:round;filter:url(#wtsh)}
  .dg-wt .dg-e-side{fill:url(#wtecy);stroke:#AFC8E2;stroke-width:.9}
  .dg-wt .dg-d-side{fill:url(#wtcy);stroke:#6FA0D6;stroke-width:.9;filter:url(#wtsh)}
  .dg-wt .dg-cap-t{fill:url(#wtet);stroke:#AFC8E2;stroke-width:.9}
  .dg-wt .dg-hole-t{fill:url(#wthol);stroke:#5E90C8;stroke-width:.9}
  .dg-wt .dg-ring{fill:none;stroke:#C6DBF0;stroke-width:6}
  .dg-wt .dg-coil{fill:none;stroke:#2E86DE;stroke-width:9;stroke-linecap:round;stroke-linejoin:round;filter:url(#wtgl)}
  .dg-wt .dg-flowc{fill:url(#wtfl);filter:url(#wtgl);stroke:none}
  .dg-wt .dg-flowu{fill:url(#wtfu);filter:url(#wtgl);stroke:none}


  
  .numline{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start}
  .numline .no{font-family:var(--serif);font-size:22px;font-weight:600;line-height:1.5;
               color:#B9CBDD;font-variant-numeric:tabular-nums}
  .numline p{margin:0}

  
  .hr-soft{height:1px;border:0;background:linear-gradient(90deg,#DCE5EF,transparent);
           margin:64px 0}

  
  .badges{display:flex;flex-wrap:wrap;gap:10px 12px;margin:26px 0 0}
  .badges span{display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;
               border:1px solid var(--line);border-radius:999px;background:var(--card);
               color:var(--text);font-size:13.5px}
  .badges span::before{content:"";width:6px;height:6px;border-radius:50%;
                       background:var(--blue-bright);flex:0 0 auto}
  
  .badges a{display:inline-flex;text-decoration:none;color:inherit}
  .badges a:hover span{border-color:var(--blue-bright)}
  .badges a:focus-visible span{outline:2px solid var(--blue-bright);outline-offset:2px}

  
  @media (max-width:1023px){
    .pagehead{padding:126px 0 16px}
    
    .pagehero{min-height:clamp(340px,44vh,420px);margin-bottom:72px}
    .pagehero-inner{padding:44px 0 50px}
    .nums{grid-template-columns:repeat(2,1fr)}
    .shots{grid-template-columns:repeat(2,1fr)}
  }
  @media (max-width:639px){
    .pagehead{padding:104px 0 12px}
    .sec{padding:0 0 56px}
    
    .pagehero{padding:78px 0 0;min-height:340px;margin-bottom:56px}
    
    .pagehero-scrim{background:
      linear-gradient(180deg,transparent 0%,transparent 50%,rgba(8,26,49,.58) 100%),
      linear-gradient(rgba(8,26,49,.62),rgba(8,26,49,.62))}
    .pagehero-inner{padding:38px 0 42px}
    .pagehero .eyebrow{margin-bottom:14px}
    .pagehero .cats{margin-top:16px}
    .pagehero-bg{background-position:center 42%}
    .nums{grid-template-columns:repeat(2,1fr);gap:12px}
    .nums .n{padding:20px 16px 18px}
    .nums .n .ni{width:38px;height:38px;border-radius:10px;margin-bottom:13px}
    .nums .n .ni svg{width:19px;height:19px}
    .nums .n b{font-size:24px}
    .nums .n b em{font-size:17px}
    .shots{grid-template-columns:1fr}
    .prose p{margin-bottom:18px}
  }

  
  .zh-intro{max-width:46em;margin:0 0 38px;color:var(--muted);
            font-size:clamp(15px,1.7vw,17px);line-height:1.85}
  .zh-intro strong{color:var(--navy);font-weight:600}
  
  .zh-sub{margin:0 0 14px;font-family:var(--serif);font-size:19px;font-weight:600;
          color:var(--navy)}
  .zh-cats{display:grid;grid-template-columns:repeat(auto-fit,minmax(196px,1fr));
           gap:14px;margin:0 0 44px}
  .zh-cat{display:flex;flex-direction:column;gap:6px;padding:18px 18px 16px;
          background:var(--card);border:1px solid var(--line);border-radius:var(--r);
          text-decoration:none;color:inherit;transition:.18s}
  .zh-cat:hover{border-color:#C6D6E8;box-shadow:var(--shadow)}
  .zh-cat-h{font-family:var(--serif);font-size:17px;font-weight:600;color:var(--navy)}
  .zh-cat-a{flex:1 1 auto;color:var(--muted);font-size:13.5px;line-height:1.7}
  .zh-cat-n{color:var(--blue-text);font-size:13px;font-weight:600;
            font-variant-numeric:tabular-nums}
  .zh-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .zh-card{position:relative;display:flex;flex-direction:column;gap:12px;overflow:hidden;
           background:var(--card);border:1px solid var(--line);border-radius:var(--r);
           padding:28px 26px 22px;text-decoration:none;color:inherit;transition:.18s}
  
  .zh-card::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;
                   background:linear-gradient(90deg,var(--blue),var(--blue-bright),var(--cyan-lit))}
  .zh-card:hover{border-color:#C6D6E8;box-shadow:var(--shadow);transform:translateY(-2px)}
  .zh-tag{align-self:flex-start;padding:4px 11px;border-radius:999px;background:#EAF2FB;
          color:var(--blue-text);font-size:12.5px;font-weight:700;letter-spacing:.06em}
  
  .zh-ct{margin:0;font-family:var(--serif);font-size:19px;font-weight:600;
         line-height:1.5;color:var(--navy)}
  .zh-sum{margin:0;flex:1 1 auto;color:var(--muted);font-size:14.5px;line-height:1.78}
  .zh-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;
           padding-top:14px;border-top:1px solid var(--line)}
  .zh-date{color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums}
  .zh-more{color:var(--blue-text);font-size:13.5px;font-weight:600}
  .zh-more i{font-style:normal;padding-left:6px}
  .zh-empty{margin:0;padding:30px 28px;background:var(--card);border:1px solid var(--line);
            border-radius:var(--r);color:var(--muted);font-size:15px;line-height:1.8}

  
  .crumbs{margin:0 0 24px;color:var(--muted);font-size:13.5px}
  .crumbs a{color:var(--blue-text);text-decoration:none}
  .crumbs a:hover{text-decoration:underline}
  .crumbs i{font-style:normal;padding:0 8px;color:#A8B7C6}
  .art{max-width:44em}
  
  .art-lead{margin:0 0 34px;padding:18px 24px;background:var(--card);
            border:1px solid var(--line);border-left:3px solid var(--blue-bright);
            border-radius:0 var(--r) var(--r) 0;
            color:var(--navy);font-size:clamp(16.5px,1.8vw,18.5px);
            font-weight:500;line-height:1.85}
  .art-meta{margin:0 0 26px;color:var(--muted);font-size:13.5px;
            font-variant-numeric:tabular-nums}
  .art-meta i{font-style:normal;padding:0 8px;color:#A8B7C6}
  .art-body{color:#24384F;font-size:16.5px;line-height:1.95}
  .art-body h2{margin:44px 0 16px;font-family:var(--serif);font-size:clamp(20px,2.4vw,25px);
               font-weight:600;line-height:1.45;color:var(--navy)}
  .art-body h3{margin:28px 0 12px;font-size:17.5px;font-weight:600;color:var(--navy)}
  .art-body p{margin:0 0 18px}
  .art-body ul,.art-body ol{margin:0 0 20px;padding-left:22px}
  .art-body li{margin:9px 0}
  .art-body li::marker{color:var(--blue-bright)}
  .art-body strong{color:var(--navy);font-weight:600}
  
  .art-quote{margin:0 0 22px;padding:14px 18px;background:var(--paper-2);
             border-left:3px solid var(--blue-bright);border-radius:0 var(--r) var(--r) 0;
             color:#24384F}
  
  .art-tw{margin:0 0 22px;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .art-tw table{margin:0;min-width:430px}
  .art-body table{width:100%;margin:0 0 22px;border-collapse:collapse;font-size:15px}
  .art-body th,.art-body td{padding:11px 13px;border:1px solid var(--line);
                            text-align:left;vertical-align:top;line-height:1.7}
  .art-body th{background:var(--paper-2);color:var(--navy);font-weight:600}
  .art-note{margin:24px 0;padding:16px 20px;background:var(--paper-2);
            border:1px solid var(--line);border-radius:var(--r);
            color:var(--muted);font-size:14.5px;line-height:1.85}
  .art-note b{color:var(--navy)}
  
  .art-about{margin:44px 0 0;padding:24px 26px;background:var(--paper-2);
             border:1px solid var(--line);border-radius:var(--r)}
  .art-about h2{margin:0 0 12px;font-family:var(--serif);font-size:19px;
                font-weight:600;color:var(--navy)}
  .art-about p{margin:0 0 14px;color:#24384F;font-size:15px;line-height:1.85}
  .art-about ul{margin:0 0 14px;padding-left:20px}
  .art-about li{margin:7px 0;color:#24384F;font-size:15px;line-height:1.8}
  .art-about li::marker{color:var(--blue-bright)}
  .art-about .art-about-more{margin:0;color:var(--muted);font-size:14.5px}
  .art-about a{color:var(--blue-text);text-decoration:none}
  .art-about a:hover{text-decoration:underline}
  
  .art-cta{margin:46px 0 0;padding:26px 28px;background:var(--card);
           border:1px solid var(--line);border-top:3px solid var(--blue-bright);
           border-radius:var(--r)}
  .art-cta h2{margin:0 0 10px;font-family:var(--serif);font-size:clamp(18px,2.2vw,22px);
              font-weight:600;color:var(--navy)}
  .art-cta p{margin:0 0 16px;color:var(--muted);font-size:15px;line-height:1.8}
  .art-cta .acts{display:flex;flex-wrap:wrap;gap:12px}
  .art-rel{margin:44px 0 0;padding-top:26px;border-top:1px solid var(--line)}
  .art-rel h2{margin:0 0 12px;font-family:var(--serif);font-size:19px;
              font-weight:600;color:var(--navy)}
  .art-rel ul{margin:0;padding-left:20px}
  .art-rel li{margin:9px 0;font-size:15.5px}
  .art-rel a{color:var(--blue-text);text-decoration:none}
  .art-rel a:hover{text-decoration:underline}

  
  @media (max-width:1023px){
    .zh-cats{grid-template-columns:repeat(2,1fr);gap:12px}
    .zh-grid{grid-template-columns:1fr;gap:16px}
    .zh-card{padding:24px 22px 20px}
    .catgrid{grid-template-columns:1fr;gap:26px}
    .csteps{grid-template-columns:1fr}
    .scenes{grid-template-columns:1fr}
    .howto{grid-template-columns:1fr}
    .feats{grid-template-columns:1fr}
    .ct-grid{grid-template-columns:1fr}
    .anchors{margin-bottom:40px}
    .aie-fig{max-width:430px}
    
    .photos.four{grid-template-columns:repeat(2,1fr)}
    .tiles,.tiles.four{grid-template-columns:repeat(2,1fr)}
    .split{grid-template-columns:1fr;gap:26px}
    .split.rev .split-media{order:0}
    .hr-soft{margin:48px 0}
    
    .aboutsplit{grid-template-columns:1fr;gap:32px}
    .aboutsplit-media{position:static;grid-template-columns:repeat(2,1fr);gap:12px}
  }
  @media (max-width:639px){
    .anchors{margin-bottom:32px}
    .cat + .cat{margin-top:40px;padding-top:40px}
    .cat .more{gap:12px}
    .csteps .s{padding:22px 20px}
    .howto .h{padding:22px 20px}
    .scene{padding:22px 20px}
    .qrbig{padding:26px 22px}
    .qrbig img{width:180px;height:auto}
    .telbig{padding:24px 22px}
    .info{padding:24px 22px}
    .info dl{grid-template-columns:1fr;gap:4px 0}
    .info dt{margin-top:10px}
    .quota{padding:24px 22px}
    .nf{padding:120px 0 24px}
    .fgroup{margin-bottom:40px}
    
    .photos{grid-template-columns:repeat(2,1fr);gap:12px}
    .photos.four{grid-template-columns:repeat(2,1fr)}
    .tiles,.tiles.four{grid-template-columns:1fr}
    .tile{padding:22px 20px 20px}
    .photo figcaption{padding:38px 14px 12px;font-size:13.5px}
    .ico-xl{width:60px;height:60px;border-radius:14px}
    .ico-xl svg{width:32px;height:32px}
    .diag{padding:16px 14px 10px;border-radius:14px}
    .numline{grid-template-columns:34px 1fr;gap:10px}
    .hr-soft{margin:40px 0}
    
    .zh-sub{font-size:17.5px;margin-bottom:12px}
    .zh-cats{grid-template-columns:1fr;gap:10px;margin-bottom:32px}
    .zh-cat{padding:16px 16px 14px}
    .zh-card{padding:22px 20px 18px}
    .zh-ct{font-size:17.5px}
    .art-body{font-size:16px;line-height:1.9}
    .art-body h2{margin:36px 0 14px}
    .art-body table{font-size:14px}
    .art-body th,.art-body td{padding:9px 10px}
    .art-lead{padding:16px 18px}
    .art-about{padding:20px 18px}
    .art-cta{padding:22px 20px}
  }