:root{
    --ink:#050b18;
    --ink-2:#0a1628;
    --navy:#1a3a5c;
    --navy-2:#24456a;
    --cyan:#4ac8e0;
    --cyan-2:#63d2e8;
    --paper:#f4f2ed;
    --paper-2:#ece8df;
    --white:#ffffff;
    --rule:#d4cfc5;
    --rule-dark:#1a2b45;
    --muted:#6b6b6b;
    --muted-dark:#8892a6;
    --serif:"Noto Serif TC", "Songti TC", serif;
    --sans:"Noto Sans TC", system-ui, sans-serif;
    --mono:"IBM Plex Mono", ui-monospace, monospace;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  html,body{background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
  body{font-size:16px;line-height:1.6;overflow-x:hidden}
  a{color:inherit;text-decoration:none}
  canvas{display:block}

  .wrap{max-width:1360px;margin:0 auto;padding:0 48px;position:relative}
  @media (max-width:720px){.wrap{padding:0 24px}}

  .eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);font-weight:500}
  .eyebrow.on-dark{color:var(--cyan)}
  .label-row{display:flex;align-items:center;gap:14px;margin-bottom:28px}
  .label-row .dash{width:40px;height:1px;background:var(--navy)}
  .label-row.on-dark .dash{background:var(--cyan)}

  /* ========== NAV ========== */
  .nav{
    position:fixed;top:0;left:0;right:0;z-index:50;
    background:color-mix(in oklab, var(--ink) 80%, transparent);
    backdrop-filter:saturate(140%) blur(14px);
    border-bottom:1px solid color-mix(in oklab, var(--cyan) 15%, transparent);
    transition:all .3s ease;
  }
  .nav.on-light{background:color-mix(in oklab, var(--paper) 92%, transparent);border-bottom-color:var(--rule)}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;height:78px;transition:height .3s ease}
  .nav.scrolled .nav-inner{height:62px}
  .brand{display:flex;align-items:center;gap:14px}
  .brand img{height:36px;width:auto;transition:all .3s ease;filter:brightness(0) invert(1)}
  .nav.on-light .brand img{filter:none}
  .nav.scrolled .brand img{height:28px}
  .nav ul{display:flex;gap:36px;list-style:none}
  .nav ul a{font-size:14px;font-weight:500;color:#e8ecf2;padding:8px 0;position:relative;transition:color .2s}
  .nav.on-light ul a{color:var(--ink)}
  .nav ul a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--cyan);transform:scaleX(0);transform-origin:right;transition:transform .3s ease}
  .nav.on-light ul a::after{background:var(--navy)}
  .nav ul a:hover::after{transform:scaleX(1);transform-origin:left}
  .nav-cta{
    font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.1em;
    color:var(--cyan);border:1px solid var(--cyan);padding:10px 22px;
    position:relative;overflow:hidden;isolation:isolate;text-transform:uppercase;
  }
  .nav.on-light .nav-cta{color:var(--navy);border-color:var(--navy)}
  .nav-cta::before{content:"";position:absolute;inset:0;background:var(--cyan);transform:translateY(100%);transition:transform .3s ease;z-index:-1}
  .nav.on-light .nav-cta::before{background:var(--navy)}
  .nav-cta:hover{color:var(--ink)}
  .nav.on-light .nav-cta:hover{color:var(--paper)}
  .nav-cta:hover::before{transform:translateY(0)}
  @media (max-width:1023px){.nav ul{display:none}}

  /* ========== HERO (dark, tech) ========== */
  .hero{
    position:relative;min-height:100vh;
    background:radial-gradient(ellipse at 80% 20%, #0a1a38 0%, var(--ink) 60%);
    color:var(--paper);overflow:hidden;
    display:flex;align-items:center;
    padding:140px 0 80px;
  }
  .hero-canvas{position:absolute;inset:0;z-index:0;opacity:.9}
  .hero-scan{
    position:absolute;inset:0;z-index:1;pointer-events:none;
    background:
      linear-gradient(transparent 50%, rgba(74,200,224,.025) 50%),
      linear-gradient(90deg, transparent 50%, rgba(74,200,224,.015) 50%);
    background-size: 100% 3px, 3px 100%;
  }
  .hero-grid-overlay{
    position:absolute;inset:0;z-index:1;pointer-events:none;
    background-image:
      linear-gradient(color-mix(in oklab, var(--cyan) 10%, transparent) 1px, transparent 1px),
      linear-gradient(90deg, color-mix(in oklab, var(--cyan) 10%, transparent) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image:radial-gradient(ellipse at 30% 50%, black 0%, transparent 70%);
    -webkit-mask-image:radial-gradient(ellipse at 30% 50%, black 0%, transparent 70%);
  }

  .hero .wrap{z-index:3}
  .hero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:72px;align-items:center}
  @media (max-width:960px){.hero-grid{grid-template-columns:1fr;gap:56px}}

  .hero-eyebrow{
    display:inline-flex;align-items:center;gap:12px;
    font-family:var(--mono);font-size:11px;letter-spacing:.22em;
    color:var(--cyan);text-transform:uppercase;margin-bottom:36px;
    padding:8px 16px;border:1px solid color-mix(in oklab, var(--cyan) 40%, transparent);
    background:color-mix(in oklab, var(--cyan) 6%, transparent);
    backdrop-filter:blur(8px);
  }
  .hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:pulse 2s ease-out infinite}
  @keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

  .hero h1{
    font-family:var(--serif);font-weight:700;
    font-size:clamp(52px, 7.5vw, 112px);
    line-height:1.02;letter-spacing:-.02em;color:var(--paper);
    text-wrap:balance;
  }
  .hero h1 .line{display:block;overflow:hidden}
  .hero h1 .line > span{display:inline-block;transform:translateY(110%);animation:rise 1.1s cubic-bezier(.2,.7,.2,1) forwards}
  .hero h1 .line:nth-child(1) > span{animation-delay:.15s}
  .hero h1 .line:nth-child(2) > span{animation-delay:.3s}
  .hero h1 .line > span .accent{
    background: linear-gradient(120deg, var(--cyan) 0%, #a8e8f5 50%, var(--cyan) 100%);
    background-size:200% 100%;
    -webkit-background-clip:text;background-clip:text;color:transparent;
    animation:shimmer 4s linear infinite;
  }
  @keyframes rise{to{transform:translateY(0)}}
  @keyframes shimmer{to{background-position:-200% 0}}

  .hero-sub{
    margin-top:32px;font-size:19px;line-height:1.75;color:#c9d3e3;
    max-width:36ch;opacity:0;transform:translateY(16px);
    animation:fade-up .9s .7s cubic-bezier(.2,.7,.2,1) forwards;
  }
  @keyframes fade-up{to{opacity:1;transform:translateY(0)}}

  .hero-actions{
    margin-top:44px;display:flex;gap:20px;flex-wrap:wrap;
    opacity:0;transform:translateY(16px);
    animation:fade-up .9s .9s cubic-bezier(.2,.7,.2,1) forwards;
  }
  .btn{
    display:inline-flex;align-items:center;gap:14px;
    padding:18px 28px;font-size:14px;font-weight:500;letter-spacing:.05em;
    position:relative;overflow:hidden;isolation:isolate;cursor:pointer;border:none;
    font-family:var(--sans);transition:color .3s;
  }
  .btn-primary{background:var(--cyan);color:var(--ink)}
  .btn-primary::before{content:"";position:absolute;inset:0;background:var(--paper);transform:scaleX(0);transform-origin:left;transition:transform .4s ease;z-index:-1}
  .btn-primary:hover::before{transform:scaleX(1)}
  .btn-ghost{background:transparent;color:var(--paper);border:1px solid color-mix(in oklab, var(--paper) 40%, transparent)}
  .btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
  .btn .arrow{width:20px;height:1px;background:currentColor;position:relative;transition:width .3s ease}
  .btn:hover .arrow{width:38px}
  .btn .arrow::after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg)}

  /* hero right: floating tech card */
  .hero-card{
    position:relative;
    padding:28px;
    border:1px solid color-mix(in oklab, var(--cyan) 30%, transparent);
    background:
      linear-gradient(135deg, color-mix(in oklab, var(--cyan) 8%, transparent) 0%, color-mix(in oklab, var(--navy) 30%, transparent) 100%);
    backdrop-filter: blur(16px);
    opacity:0;transform:translateY(24px);
    animation:fade-up 1s 1.1s cubic-bezier(.2,.7,.2,1) forwards;
  }
  .hero-card::before, .hero-card::after{
    content:"";position:absolute;width:14px;height:14px;border:1px solid var(--cyan);
  }
  .hero-card::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
  .hero-card::after{bottom:-1px;right:-1px;border-left:0;border-top:0}
  .card-head{
    display:flex;align-items:center;justify-content:space-between;
    padding-bottom:16px;border-bottom:1px solid color-mix(in oklab, var(--cyan) 20%, transparent);
    font-family:var(--mono);font-size:11px;letter-spacing:.15em;color:var(--cyan);text-transform:uppercase;
  }
  .card-head .dots{display:flex;gap:5px}
  .card-head .dots span{width:6px;height:6px;border-radius:50%;background:color-mix(in oklab, var(--cyan) 30%, transparent)}
  .card-head .dots span.on{background:var(--cyan);box-shadow:0 0 8px var(--cyan)}

  .metric-list{padding:20px 0;display:flex;flex-direction:column;gap:16px}
  .metric{display:flex;align-items:center;justify-content:space-between;gap:16px;font-family:var(--mono);font-size:12px}
  .metric .lbl{color:#8da5c5;letter-spacing:.12em;text-transform:uppercase}
  .metric .val{color:var(--paper);font-weight:500;font-size:13px}
  .bar{flex:1;max-width:120px;height:4px;background:color-mix(in oklab, var(--cyan) 12%, transparent);position:relative;overflow:hidden}
  .bar::after{content:"";position:absolute;inset:0;background:var(--cyan);transform:scaleX(var(--v,.7));transform-origin:left;box-shadow:0 0 10px var(--cyan);animation:bar-pulse 3s ease-in-out infinite}
  @keyframes bar-pulse{50%{transform:scaleX(calc(var(--v,.7) * 1.05))}}

  .card-graph{
    padding-top:16px;border-top:1px solid color-mix(in oklab, var(--cyan) 20%, transparent);
    font-family:var(--mono);font-size:10px;color:#8da5c5;letter-spacing:.1em;
  }
  .sparkline{height:60px;margin-top:10px;position:relative}
  .sparkline svg{width:100%;height:100%;overflow:visible}
  .sparkline path.line{fill:none;stroke:var(--cyan);stroke-width:1.5;filter:drop-shadow(0 0 4px var(--cyan));stroke-dasharray:1000;stroke-dashoffset:1000;animation:draw 3s 1.4s ease-out forwards}
  .sparkline path.area{fill:url(#sparkfill);opacity:0;animation:fade-in 1s 4s ease forwards}
  .sparkline .dot{fill:var(--cyan);animation:dot-move 5s 4.4s ease-in-out infinite;filter:drop-shadow(0 0 6px var(--cyan))}
  @keyframes draw{to{stroke-dashoffset:0}}
  @keyframes fade-in{to{opacity:1}}
  @keyframes dot-move{0%{transform:translateX(0)}50%{transform:translateX(200px)}100%{transform:translateX(0)}}

  .hero-ticker{
    position:absolute;bottom:0;left:0;right:0;
    border-top:1px solid color-mix(in oklab, var(--cyan) 20%, transparent);
    padding:18px 0;
    background:color-mix(in oklab, var(--ink) 70%, transparent);
    backdrop-filter:blur(8px);
    z-index:3;
    overflow:hidden;
  }
  .ticker-track{display:flex;animation:scroll-left 45s linear infinite;white-space:nowrap}
  .ticker-track span{
    font-family:var(--mono);font-size:12px;color:#8da5c5;letter-spacing:.2em;
    padding:0 32px;text-transform:uppercase;display:inline-flex;align-items:center;gap:12px;
  }
  .ticker-track span em{font-style:normal;color:var(--cyan)}
  .ticker-track span::after{content:"◆";margin-left:32px;color:color-mix(in oklab, var(--cyan) 40%, transparent);font-size:8px}
  @keyframes scroll-left{to{transform:translateX(-50%)}}

  /* ========== CLIENT TILES ========== */
  .clients{padding:90px 0 80px;background:var(--paper);position:relative}
  .clients-head{display:grid;grid-template-columns:1fr auto;gap:40px;margin-bottom:36px;padding-bottom:20px;border-bottom:1px solid var(--rule);align-items:end}
  @media (max-width:720px){
    .clients-head{grid-template-columns:1fr;gap:16px}
    .clients-head .count{justify-self:start}
  }
  .clients-head h2{font-family:var(--serif);font-weight:500;font-size:clamp(36px,4vw,56px);line-height:1.15;color:var(--navy);letter-spacing:.005em;text-wrap:balance}
  .clients-head .count{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.18em;text-transform:uppercase}

  .tile-grid{
    display:grid;
    grid-template-columns:repeat(2, 1fr);
    gap:0;
    border-top:1px solid var(--ink);
  }
  @media (max-width:720px){.tile-grid{grid-template-columns:1fr}}

  .tile{
    position:relative;
    display:grid;
    grid-template-columns:100px 1fr auto;
    gap:22px;
    align-items:center;
    padding:16px 22px;
    border-bottom:1px solid var(--rule);
    cursor:pointer;
    overflow:hidden;
    isolation:isolate;
    transition:padding .3s ease, background .3s ease;
  }
  .tile.in{animation:tile-in .7s cubic-bezier(.2,.7,.2,1) forwards}
  @keyframes tile-in{to{opacity:1;transform:translateY(0)}}
  .tile:nth-child(odd){border-right:1px solid var(--rule)}
  @media (max-width:720px){.tile:nth-child(odd){border-right:0}}
  .tile::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
    background:var(--brand, var(--navy));
    transform:scaleY(0);transform-origin:top;
    transition:transform .4s cubic-bezier(.2,.7,.2,1);
    z-index:2;
  }
  .tile::after{
    content:"";position:absolute;top:0;bottom:0;left:-60%;width:50%;
    background:linear-gradient(90deg, transparent, color-mix(in oklab, var(--brand, var(--navy)) 10%, transparent), transparent);
    pointer-events:none;z-index:0;
    transition:left .8s cubic-bezier(.2,.7,.2,1);
  }
  .tile:hover, .tile.active{padding-left:30px;background:#fdfcf8}
  .tile:hover::before, .tile.active::before{transform:scaleY(1)}
  .tile:hover::after, .tile.active::after{left:110%}

  .tile-logo{
    width:84px;height:52px;
    display:flex;align-items:center;justify-content:center;
    background:#ffffff;
    border:1px solid var(--rule);
    padding:8px;
    flex-shrink:0;
    position:relative;
    transform-style:preserve-3d;
    transition:border-color .3s ease, box-shadow .4s ease;
  }
  .tile:hover .tile-logo, .tile.active .tile-logo{
    border-color:var(--ink);
    animation:flip .9s cubic-bezier(.5,.05,.3,1);
  }
  @keyframes flip{
    0%{transform:rotateY(0)}
    50%{transform:rotateY(180deg) scale(.95)}
    100%{transform:rotateY(360deg)}
  }
  .tile-logo img{
    max-width:100%;max-height:100%;width:auto;height:auto;
    object-fit:contain;
    filter:grayscale(1);opacity:.75;
    transition:filter .4s .3s ease, opacity .4s .3s ease;
    backface-visibility:hidden;
  }
  .tile:hover .tile-logo img, .tile.active .tile-logo img{filter:grayscale(0);opacity:1}

  .tile-text{display:flex;flex-direction:column;gap:6px;min-width:0}
  .tile-text .en{
    font-family:var(--serif);font-weight:500;font-size:16px;
    color:var(--ink);letter-spacing:.01em;line-height:1.25;
  }
  .tile-text .zh{
    font-size:12px;color:var(--muted);line-height:1.4;
    overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  }

  .tile-tag{
    font-family:var(--mono);font-size:10px;
    color:var(--muted);letter-spacing:.15em;text-transform:uppercase;
    padding:4px 10px;border:1px solid var(--rule);
    white-space:nowrap;
    transition:color .3s ease, border-color .3s ease;
  }
  .tile:hover .tile-tag, .tile.active .tile-tag{color:var(--brand, var(--navy));border-color:var(--brand, var(--navy))}

  .tile-idx{
    position:absolute;top:6px;right:10px;
    font-family:var(--mono);font-size:9px;color:var(--muted);letter-spacing:.12em;opacity:.7;
  }

  @media (max-width:520px){
    .tile{grid-template-columns:80px 1fr;grid-template-rows:auto auto;gap:16px 20px;padding:20px 24px}
    .tile-logo{width:80px;height:52px;padding:8px}
    .tile-tag{grid-column:2;justify-self:start;margin-top:4px}
  }

  .clients-foot{margin-top:24px;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:end}
  @media (max-width:720px){
    .clients-foot{grid-template-columns:1fr;gap:16px}
    .clients-foot .kbd{justify-self:start}
  }
  .clients-foot p{font-size:14px;line-height:1.7;color:#4a4a4a;max-width:56ch}
  .clients-foot .kbd{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.18em;text-transform:uppercase}

  /* ========== MANIFESTO ========== */
  .manifesto{background:var(--ink);color:var(--paper);position:relative;overflow:hidden}
  .mani-bg{position:absolute;inset:0;opacity:.3}
  .mani-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:96px;padding:160px 0 120px;position:relative;z-index:1}
  @media (max-width:960px){.mani-grid{grid-template-columns:1fr;gap:40px;padding:100px 0}}
  .mani-left{position:sticky;top:120px;align-self:start;padding-bottom:40px}
  .mani-title{font-family:var(--serif);font-weight:500;font-size:clamp(32px,3.8vw,52px);line-height:1.3;color:var(--paper);text-wrap:balance}
  .mani-stream{display:flex;flex-direction:column;gap:56px}
  .mani-para{font-size:18px;line-height:1.9;color:#c9d3e3;max-width:56ch;padding:24px 0 24px 32px;border-left:1px solid var(--rule-dark);position:relative}
  .mani-para.in{border-left-color:var(--cyan);color:var(--paper)}
  .mani-para.in::before{content:"";position:absolute;left:-3px;top:0;width:5px;height:5px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
  .mani-para .tag{display:block;font-family:var(--mono);font-size:11px;color:var(--cyan);letter-spacing:.22em;text-transform:uppercase;margin-bottom:14px;font-weight:500}

  /* ========== STATS ========== */
  .stats-section{background:var(--ink);color:var(--paper);padding:0 0 140px;border-top:1px solid var(--rule-dark)}
  .stats{padding-top:80px;display:grid;grid-template-columns:repeat(3,1fr)}
  @media (max-width:720px){.stats{grid-template-columns:1fr}}
  .stat{padding:0 32px 0 0;border-right:1px solid var(--rule-dark);position:relative}
  .stat:last-child{border-right:0}
  .stat .num{font-family:var(--serif);font-weight:400;font-size:clamp(64px,8vw,120px);line-height:1;color:var(--paper);letter-spacing:-.03em;display:flex;align-items:baseline;gap:6px}
  .stat .num .unit{font-size:.3em;color:var(--cyan);font-family:var(--sans);font-weight:400;letter-spacing:0}
  .stat .cap{margin-top:20px;font-family:var(--mono);font-size:12px;color:var(--cyan);letter-spacing:.18em;text-transform:uppercase}
  .stat .desc{margin-top:14px;font-size:14px;color:#c9d3e3;line-height:1.6;max-width:30ch}

  /* ========== SERVICES ========== */
  .services{padding:160px 0 60px;background:var(--paper);position:relative}
  .services-head{display:grid;grid-template-columns:1fr 1.6fr;gap:80px;margin-bottom:100px;align-items:end}
  @media (max-width:960px){.services-head{grid-template-columns:1fr;gap:32px}}
  .services-head h2{font-family:var(--serif);font-weight:500;font-size:clamp(44px,5.5vw,72px);line-height:1.1;color:var(--navy);text-wrap:balance}
  .services-head .lead{font-size:17px;line-height:1.85;color:#2a2a2a;max-width:52ch}

  .svc-list{border-top:1px solid var(--ink);position:relative}
  .svc-indicator{position:absolute;left:0;right:0;height:0;background:var(--ink);pointer-events:none;z-index:0;transition:top .4s cubic-bezier(.2,.7,.2,1), height .4s cubic-bezier(.2,.7,.2,1), opacity .3s ease;opacity:0}
  .svc-list.active .svc-indicator{opacity:1}
  .svc{display:grid;grid-template-columns:90px 1fr 1.3fr 120px;gap:32px;padding:40px 0;border-bottom:1px solid var(--rule);align-items:center;position:relative;cursor:pointer;z-index:1;transition:padding .3s ease}
  .svc > *{transition:color .35s ease, opacity .35s ease}
  .svc-list.active .svc:not(:hover) > *{color:var(--muted) !important;opacity:.4}
  .svc:hover{padding-left:20px}
  .svc-list.active .svc:hover > *{color:var(--paper) !important;opacity:1}
  .svc-list.active .svc:hover .num{color:var(--cyan) !important}
  .svc .num{font-family:var(--mono);font-size:14px;color:var(--muted);letter-spacing:.1em;font-weight:500}
  .svc .name{font-family:var(--serif);font-weight:500;font-size:clamp(24px,2.4vw,34px);color:var(--ink);letter-spacing:.02em;line-height:1.2}
  .svc .desc{font-size:15px;line-height:1.7;color:#4a4a4a;max-width:48ch}
  .svc .more{justify-self:end;font-family:var(--mono);font-size:12px;color:var(--navy);letter-spacing:.15em;text-transform:uppercase;display:flex;align-items:center;gap:12px}
  .svc:hover .more{color:inherit}
  .svc .more .arrow{width:22px;height:1px;background:currentColor;position:relative;transition:width .3s ease}
  .svc .more .arrow::after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg)}
  .svc:hover .more .arrow{width:52px}
  @media (max-width:880px){
    .svc{grid-template-columns:60px 1fr;grid-template-rows:auto auto;gap:8px 20px}
    .svc .desc{grid-column:1 / -1;margin-top:4px}
    .svc .more{display:none}
  }

  /* ========== FOOT SECT ========== */
  .foot-sect{padding:160px 0 140px;background:var(--paper-2);border-top:1px solid var(--rule);position:relative;overflow:hidden}
  .foot-grid{display:grid;grid-template-columns:1fr 1fr;gap:96px;position:relative}
  @media (max-width:960px){.foot-grid{grid-template-columns:1fr;gap:56px}}

  .about h2{font-family:var(--serif);font-weight:500;font-size:clamp(34px,4vw,52px);line-height:1.2;color:var(--navy);margin-top:24px;margin-bottom:32px;text-wrap:balance}
  .about p{font-size:16px;line-height:1.9;color:#2a2a2a;max-width:48ch}
  .about p + p{margin-top:1.2em}
  .about .sig{margin-top:44px;padding-top:24px;border-top:1px solid var(--rule);font-family:var(--serif);font-weight:500;font-size:16px;color:var(--ink)}
  .about .sig small{display:block;font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.15em;margin-top:6px;text-transform:uppercase;font-weight:400}

  .contact h3{font-family:var(--serif);font-weight:500;font-size:clamp(28px,3vw,38px);line-height:1.3;color:var(--ink);margin:24px 0 40px;text-wrap:balance}
  .contact-table{border-top:1px solid var(--ink)}
  .contact-row{display:grid;grid-template-columns:110px 1fr;padding:22px 0;gap:24px;border-bottom:1px solid var(--rule);align-items:baseline}
  .contact-row dt{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.18em;text-transform:uppercase}
  .contact-row dd{font-size:15px;line-height:1.7;color:var(--ink)}
  .contact-row dd a{border-bottom:1px solid transparent;transition:border-color .2s}
  .contact-row dd a:hover{border-color:var(--navy)}
  .contact-row dd .hrs{color:var(--muted);font-size:13px;margin-top:2px;display:block}

  .contact-cta{display:inline-flex;align-items:center;gap:16px;margin-top:44px;padding:20px 32px;background:var(--navy);color:var(--paper);font-size:15px;font-weight:500;position:relative;overflow:hidden;isolation:isolate}
  .contact-cta::before{content:"";position:absolute;inset:0;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .4s ease;z-index:-1}
  .contact-cta:hover::before{transform:scaleX(1)}
  .contact-cta .arrow{width:24px;height:1px;background:var(--paper);position:relative;transition:width .3s ease}
  .contact-cta:hover .arrow{width:40px}
  .contact-cta .arrow::after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid var(--paper);border-right:1px solid var(--paper);transform:rotate(45deg)}

  /* footer */
  footer{background:var(--ink);color:#9ba5b5;padding:56px 0 48px;font-size:13px;position:relative;z-index:1}
  .foot-inner{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
  .foot-inner .mark{display:flex;align-items:center;gap:14px;color:var(--paper)}
  .foot-inner .mark .bar{width:1px;height:20px;background:var(--rule-dark)}
  .foot-inner .mark .en{font-family:var(--mono);font-size:12px;letter-spacing:.15em;color:var(--muted-dark)}
  .foot-links{display:flex;gap:28px;font-family:var(--mono);font-size:11px;letter-spacing:.15em;text-transform:uppercase}
  .foot-links a{position:relative}
  .foot-links a::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:var(--paper);transform:scaleX(0);transition:transform .25s ease;transform-origin:right}
  .foot-links a:hover{color:var(--paper)}
  .foot-links a:hover::after{transform:scaleX(1);transform-origin:left}
  .copy{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--muted-dark)}

  @media (prefers-reduced-motion: reduce){
    *{animation-duration:.001ms !important;animation-delay:0s !important;transition:none !important}
  }

  /* ===== preview additions ===== */
  .inert{cursor:default}
  .foot-links{flex-wrap:wrap;gap:12px 28px}
  .showcase{padding:96px 0 0;background:var(--paper);position:relative}
  .showcase .services-head{margin-bottom:60px}
  .wk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
  @media (max-width:960px){.wk-grid{grid-template-columns:repeat(2,1fr)}}
  @media (max-width:640px){.wk-grid{grid-template-columns:1fr}}
  .wk-card{display:flex;flex-direction:column;gap:12px;padding:32px 28px 28px;background:var(--ink);color:var(--paper);border:1px solid var(--rule-dark);position:relative;transition:transform .3s ease,border-color .3s}
  .wk-card:hover{transform:translateY(-4px);border-color:var(--cyan)}
  .wk-tag{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--cyan);font-weight:500}
  .wk-card h3{font-family:var(--serif);font-weight:700;font-size:28px;line-height:1.25}
  .wk-card p{font-size:15px;line-height:1.8;color:#c9d3e3}
  .wk-card h3,.wk-card p{word-break:keep-all;overflow-wrap:break-word;text-wrap:pretty}
  .wk-card h3{text-wrap:balance}
  .wk-more,.wk-all{display:inline-flex;align-items:center;gap:12px;font-family:var(--mono);font-size:12px;letter-spacing:.15em;margin-top:auto;padding-top:12px}
  .wk-more{color:var(--cyan)}
  .wk-all{color:var(--navy);margin-top:48px;border-bottom:1px solid var(--navy);padding-bottom:6px}
  .wk-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
  .wk-card{padding:44px 38px 36px;gap:16px;border-color:color-mix(in oklab, var(--cyan) 45%, transparent);box-shadow:0 14px 40px -18px rgba(11,20,38,.55)}
  .wk-card h3{font-size:clamp(30px,2.6vw,38px)}
  .wk-card p{font-size:16.5px}
  .wk-card .st{font-size:12px;padding:5px 12px}
  .wk-more{font-size:13px}
  .wk-grid{gap:32px}
  @media (min-width:961px){.wk-grid{grid-template-columns:repeat(12,1fr)}.wk-card{grid-column:span 6}}
  @media (min-width:1240px){.wk-card:nth-child(n){grid-column:span 3}}
  @media (min-width:641px) and (max-width:960px){.wk-card:last-child:nth-child(odd){grid-column:1/-1}}
  @media (max-width:640px){.showcase{padding:64px 0 0}.wk-card{padding:32px 24px 28px}}
  .wk-all:hover{color:var(--ink);border-color:var(--ink)}
  .wk-more .arrow,.wk-all .arrow{width:22px;height:1px;background:currentColor;position:relative;transition:width .3s ease}
  .wk-more .arrow::after,.wk-all .arrow::after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg)}
  .wk-card:hover .arrow,.wk-all:hover .arrow{width:44px}

  /* ===== sub pages (gallery / work): dark identity ===== */
  html.sub,html.sub body{background:var(--ink);color:var(--paper)}
  body.sub{min-height:100vh;position:relative}
  .sub .nav ul a.cur::after{transform:scaleX(1)}
  .bgfx{position:absolute;top:0;left:0;right:0;height:max(100vh,760px);z-index:0;overflow:hidden;background:radial-gradient(ellipse at 80% 20%, #0a1a38 0%, var(--ink) 60%);pointer-events:none}
  .hero-grid-overlay{position:absolute;inset:0;background-image:linear-gradient(color-mix(in oklab, var(--cyan) 10%, transparent) 1px, transparent 1px),linear-gradient(90deg, color-mix(in oklab, var(--cyan) 10%, transparent) 1px, transparent 1px);background-size:80px 80px;mask-image:radial-gradient(ellipse at 30% 50%, black 0%, transparent 70%);-webkit-mask-image:radial-gradient(ellipse at 30% 50%, black 0%, transparent 70%)}
  .sub main,.sub footer{position:relative;z-index:1}
  .page-top{padding:150px 0 40px}
  .page-top h1{font-family:var(--serif);font-weight:700;font-size:clamp(48px,7vw,104px);line-height:1.05;letter-spacing:-.02em;color:var(--paper)}
  .page-top h1 .accent{background:linear-gradient(120deg,var(--cyan) 0%,#a8e8f5 50%,var(--cyan) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
  .sub .label-row .dash{background:var(--cyan)}.sub .eyebrow{color:var(--cyan)}
  .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding:20px 0 140px}
  @media (max-width:960px){.grid{grid-template-columns:repeat(2,1fr)}}
  @media (max-width:640px){.grid{grid-template-columns:1fr;gap:20px}}
  .card{display:flex;flex-direction:column;position:relative;border:1px solid color-mix(in oklab, var(--cyan) 30%, transparent);background:linear-gradient(135deg, color-mix(in oklab, var(--cyan) 8%, transparent) 0%, color-mix(in oklab, var(--navy) 30%, transparent) 100%);transition:transform .3s ease,border-color .3s}
  .card::before,.card::after,.stage::before,.stage::after{content:"";position:absolute;width:14px;height:14px;border:1px solid var(--cyan);z-index:2;pointer-events:none}
  .card::before,.stage::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
  .card::after,.stage::after{bottom:-1px;right:-1px;border-left:0;border-top:0}
  .card:hover{transform:translateY(-4px);border-color:var(--cyan)}
  .bd{padding:26px 24px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
  .meta{display:flex;justify-content:space-between;align-items:center}
  .st{font-family:var(--mono);font-size:10px;letter-spacing:.15em;padding:3px 8px;border:1px solid color-mix(in oklab, var(--cyan) 30%, transparent);color:#8da5c5}
  .st.live{color:var(--cyan);border-color:var(--cyan);background:color-mix(in oklab, var(--cyan) 8%, transparent)}
  .card h3{font-family:var(--serif);font-weight:700;font-size:24px;line-height:1.25;color:var(--paper)}
  .card p{font-size:14px;line-height:1.7;color:#c9d3e3}
  .cat{margin-top:auto;padding-top:12px;border-top:1px solid color-mix(in oklab, var(--cyan) 20%, transparent);display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:#8da5c5}
  .cat i{font-style:normal}
  .work{padding:130px 0 120px}
  .back{font-family:var(--mono);font-size:12px;letter-spacing:.15em;color:#8da5c5;display:inline-block;margin-bottom:28px}.back:hover{color:var(--cyan)}
  .wgrid{display:grid;grid-template-columns:1fr;gap:40px;align-items:start}
  .stage{position:relative;border:1px solid color-mix(in oklab, var(--cyan) 30%, transparent);background:#fff;height:min(82vh,900px);min-height:560px}
  @media (max-width:640px){.stage{height:70vh;min-height:420px}.page-top{padding-top:110px}.work{padding-top:100px}}
  .stage iframe{width:100%;height:100%;border:0;display:block}
  .info{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:0 48px;align-items:start}
  @media (max-width:960px){.info{grid-template-columns:1fr;gap:28px}}
  .info h1{font-family:var(--serif);font-weight:700;font-size:clamp(34px,3.6vw,52px);line-height:1.15;color:var(--paper);margin-bottom:18px}
  .info .one{font-size:16px;line-height:1.8;color:#c9d3e3}
  .info .blk{border-top:1px solid color-mix(in oklab, var(--cyan) 25%, transparent);padding-top:18px}
  .info h4{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--cyan);font-weight:500;margin:0 0 10px}
  .info p{font-size:15px;line-height:1.8;color:#c9d3e3}
  .faq .qa{padding:0 0 14px}.faq dt{font-weight:700;font-size:15px;color:var(--paper)}.faq dd{font-size:15px;line-height:1.8;color:#c9d3e3}

  /* ===== 網站案例 (gallery filter / card thumbs / case pages) ===== */
  .wc-filter{display:flex;gap:10px;padding:6px 0 26px;overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}
  .wc-filter::-webkit-scrollbar{display:none}
  .wc-filter button{font-family:var(--mono);font-size:12px;letter-spacing:.18em;padding:10px 22px;white-space:nowrap;flex:none;background:none;color:#8da5c5;border:1px solid color-mix(in oklab, var(--cyan) 30%, transparent);cursor:pointer;transition:color .2s,border-color .2s,background .2s}
  .wc-filter button:hover{color:var(--cyan);border-color:var(--cyan)}
  .wc-filter button[aria-pressed="true"]{color:var(--ink);background:var(--cyan);border-color:var(--cyan)}
  .wrap.rel .wc-filter~.grid{padding-top:0;padding-bottom:8px}
  body.sub footer{padding:40px 0 36px}
  .card[hidden],.more[hidden]{display:none}
  .grid{counter-reset:n}
  .card:not([hidden]){counter-increment:n}
  .cat i{font-size:0}
  .cat i::before{content:counter(n,decimal-leading-zero);font-size:11px}
  .more{grid-column:1/-1;display:flex;flex-direction:column;justify-content:center;gap:12px;padding:32px 36px;border:1px dashed color-mix(in oklab, var(--cyan) 40%, transparent);background:color-mix(in oklab, var(--cyan) 5%, transparent);transition:border-color .3s}
  .more:hover{border-color:var(--cyan)}
  .more h3{font-family:var(--serif);font-weight:700;font-size:28px;line-height:1.25;color:var(--paper)}
  .more p{font-size:15px;line-height:1.8;color:#c9d3e3;max-width:42em}
  .more .wk-more{color:var(--cyan);margin-top:6px;padding-top:0}
  body.sub main,body.sub main *{word-break:keep-all;overflow-wrap:break-word}
  body.sub .card p,body.sub .more p{text-wrap:pretty}
  .card .th{aspect-ratio:16/10;overflow:hidden;border-bottom:1px solid color-mix(in oklab, var(--cyan) 20%, transparent);background:#0b1426}
  .card .th img{display:block;width:100%;height:100%;object-fit:cover;object-position:top}
  .wc{padding:130px 0 0}
  .wc>.wrap{max-width:none;width:calc(100% - 2*clamp(16px,3vw,56px));padding:0;margin:0 auto;container-type:inline-size}
  .wc h1{font-family:var(--serif);font-weight:700;font-size:clamp(34px,4.4vw,60px);line-height:1.15;color:var(--paper);margin:10px 0 14px}
  .wc .one{font-size:17px;line-height:1.8;color:#c9d3e3;max-width:46em}
  .wc-hero{display:grid;grid-template-columns:minmax(0,1fr) calc(22.409cqw + 15px);gap:28px;align-items:start;margin:40px 0 40px}
  .fr,.ph{border:1px solid color-mix(in oklab, var(--cyan) 30%, transparent);background:#0b1426;overflow:hidden}
  .fr{border-radius:10px}
  .fr .fb{display:flex;align-items:center;gap:6px;height:34px;padding:0 12px;border-bottom:1px solid color-mix(in oklab, var(--cyan) 20%, transparent)}
  .fr .fb i{width:9px;height:9px;border-radius:50%;background:#2a3a57}
  .fr .fb span{margin-left:10px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:#8da5c5}
  .fr img,.ph img{display:block;width:100%;height:auto}
  .ph{border-radius:30px;padding:9px}
  .ph img{border-radius:22px}
  .wc-3{display:block;margin-bottom:40px}
  .wc-3 .blk{display:grid;grid-template-columns:clamp(150px,16vw,260px) minmax(0,60em);gap:0 48px;border-top:1px solid color-mix(in oklab, var(--cyan) 25%, transparent);padding:18px 0 20px}
  .wc-3 h2,.wc-sec{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--cyan);font-weight:500;margin:0 0 12px}
  .wc-3 h2{margin:3px 0 0}
  .wc-3 p{font-size:15px;line-height:1.85;color:#c9d3e3}
  .wc-sec{margin-bottom:20px}
  .wc-keys{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
  .wc-keys figure{margin:0;display:flex;flex-direction:column;gap:12px}
  .wc-keys figcaption{display:flex;flex-direction:column;gap:2px}
  .wc-keys figcaption b{font-family:var(--serif);font-size:18px;color:var(--paper)}
  .wc-keys figcaption span{font-size:14px;line-height:1.7;color:#c9d3e3}
  .wc-act{display:flex;flex-wrap:wrap;align-items:center;gap:20px 28px;margin-top:40px;padding-top:28px;border-top:1px solid color-mix(in oklab, var(--cyan) 25%, transparent)}
  .wc-btn{display:inline-flex;align-items:center;gap:12px;background:var(--cyan);color:var(--ink);padding:15px 26px;font-size:15px;font-weight:500;letter-spacing:.05em;border:1px solid var(--cyan);transition:background .2s,color .2s}
  .wc-btn::after{content:"↗";font-size:16px}
  .wc-btn:hover{background:#a8e8f5}
  .wc-btn.alt{background:none;color:var(--cyan)}.wc-btn.alt::after{content:"→"}
  .wc-btn.alt:hover{background:color-mix(in oklab, var(--cyan) 12%, transparent)}
  .wc-next{margin-left:auto;font-family:var(--mono);font-size:12px;letter-spacing:.15em;color:var(--cyan);border-bottom:1px solid var(--cyan);padding-bottom:5px}
  .wc-next:hover{color:var(--paper);border-color:var(--paper)}
  @media (max-width:960px){.wc-keys{grid-template-columns:1fr}.wc-3 .blk{grid-template-columns:1fr;gap:10px}.wc-3 h2{margin:0}.wc-hero{grid-template-columns:1fr;align-items:start}.ph{max-width:260px;margin:0 auto}.wc-hero .ph img{height:auto}.wc-next{margin-left:0}}
  @media (max-width:640px){.wc{padding-top:100px}.wc-btn{width:100%;justify-content:center}}

  /* ===== CJK line breaking (every page) ===== */
  html:lang(zh-Hant) body,.vd{word-break:keep-all;overflow-wrap:break-word;line-break:strict}
  :where(p,li,dd,td,figcaption,blockquote,h1,h2,h3,h4,h5){text-wrap:pretty}
  .nw{white-space:nowrap}
  /* ===== keyboard focus (every page) ===== */
  :where(a,button,summary,input,select,textarea,[tabindex]):focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

  /* ===== prod: nav with mobile menu (same items and look as the live site's menu) ===== */
  .nav-right{display:flex;align-items:center;gap:16px}
  .nav-burger{display:none;align-items:center;justify-content:center;padding:8px;background:none;border:0;color:var(--paper);cursor:pointer}
  .nav-burger .ic-close{display:none}.nav-burger.open .ic-close{display:block}.nav-burger.open .ic-open{display:none}
  .nav-menu{border-top:1px solid color-mix(in oklab, var(--cyan) 15%, transparent);background:var(--ink-2)}
  .nav-menu[hidden]{display:none}
  .nav-menu .wrap{padding-top:16px;padding-bottom:16px}
  .nav-menu a{display:block;padding:12px 0;font-size:14px;color:var(--paper);border-bottom:1px solid var(--rule-dark)}
  .nav-menu a.mcta{margin-top:16px;padding:12px 22px;text-align:center;font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--cyan);border:1px solid var(--cyan)}
  @media (max-width:1023px){.nav-burger{display:flex}}
  @media (max-width:767px){.nav-right .nav-cta{display:none}}
  @media (min-width:1024px){.nav-menu,.nav-burger{display:none!important}}
  /* ===== prod: related service / knowledge-base links under each case ===== */
  .wrel{position:relative;z-index:1;background:var(--ink);color:#c9d3e3;padding:28px 0;border-top:1px solid var(--rule-dark)}
  .wrel .wrap{display:flex;flex-wrap:wrap;gap:10px 28px;align-items:baseline;font-size:15px}
  .wrel b{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--cyan);font-weight:500}
  .wrel a{color:var(--paper);border-bottom:1px solid var(--cyan);padding-bottom:2px}
  .wrel a:hover{color:var(--cyan)}