/* =========================================================================
   嘉風興業有限公司 — 設計系統
   方向：工業精密 × 清爽企業信賴
   字體：原站系統黑體（微軟正黑/雅黑），技術數字用 Bahnschrift(DIN風)
   ========================================================================= */

:root{
  /* palette */
  --blue:#1b5fb0;
  --blue-deep:#154a8a;
  --blue-700:#11335f;
  --blue-ink:#0e2a4d;
  --teal:#15a0a0;       /* 裝飾用（邊框/橫條，3:1 UI 對比足夠）*/
  --teal-deep:#0c7070;  /* 文字用 teal，對白底 ≥4.5:1 達 WCAG AA */

  --ink:#17222f;        /* headings */
  --body:#475563;       /* body text */
  --muted:#5d6b78;      /* 內文次要色，對白底 ≥4.5:1 達 WCAG AA */
  --line:#e4eaf1;
  --line-soft:#eef2f7;

  --bg:#ffffff;
  --bg-alt:#f4f7fb;     /* alt section */
  --bg-wash:#eaf1fa;    /* blue wash */
  --bg-ink:#0f2138;     /* dark band */

  --radius:14px;
  --radius-lg:22px;
  --radius-pill:999px;

  --shadow-xs:0 1px 2px rgba(17,40,80,.05);
  --shadow-sm:0 2px 8px rgba(17,45,90,.06),0 1px 2px rgba(17,45,90,.05);
  --shadow:0 10px 30px -12px rgba(16,45,95,.20);
  --shadow-lg:0 26px 60px -22px rgba(14,42,90,.34);

  --maxw:1208px;
  --gut:clamp(18px,4vw,40px);

  --font:"Microsoft JhengHei","微軟正黑體","Microsoft YaHei","微软雅黑",
         "PingFang TC","Noto Sans TC","Segoe UI",system-ui,sans-serif;
  /* 英文與數字一律用與中文相同的系統黑體（微軟正黑/雅黑），與原站一致、不換字體 */
  --font-num:var(--font);

  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
/* inline-icon sizing safety (svg without width/height would balloon) */
svg{flex:none}
.topbar svg{width:15px;height:15px;vertical-align:-3px}
.btn svg{width:18px;height:18px}
.crumb svg{width:15px;height:15px}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--body);background:var(--bg);
  font-size:16px;line-height:1.72;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
picture{display:contents}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;margin:0;font-weight:700;letter-spacing:.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:var(--blue);color:#fff}

/* 略過導覽連結 + 鍵盤焦點（WCAG 2.4.1 / 2.4.7）*/
.skip{position:fixed;left:8px;top:-100px;z-index:300;background:var(--blue);color:#fff;
  padding:11px 20px;border-radius:0 0 12px 12px;font-weight:700;letter-spacing:.04em;
  box-shadow:0 10px 30px -12px rgba(16,45,95,.4);transition:top .18s ease}
.skip:focus{top:0}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.topbar a:focus-visible,.foot a:focus-visible,.hero a:focus-visible,.phead a:focus-visible,
.cta-band a:focus-visible,.lb button:focus-visible{outline-color:#fff}

/* ---- layout ---- */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
.section{padding:clamp(56px,8vw,104px) 0}
.section--alt{background:var(--bg-alt)}
.section--wash{background:linear-gradient(180deg,#fff 0,var(--bg-wash) 100%)}

/* technical eyebrow label */
.eyebrow{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:var(--font-num);font-weight:600;letter-spacing:.22em;
  text-transform:uppercase;font-size:12.5px;color:var(--teal-deep);
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--teal);display:inline-block}
.shead{max-width:680px;margin-bottom:clamp(30px,4vw,48px)}
.shead.center{margin-inline:auto;text-align:center}
.shead h2{font-size:clamp(26px,3.4vw,40px);margin:.5em 0 .35em;letter-spacing:.02em}
.shead p{color:var(--muted);font-size:16.5px}

/* ---- buttons ---- */
.btn{
  --bg:var(--blue);--fg:#fff;
  display:inline-flex;align-items:center;gap:.55em;cursor:pointer;
  font-family:var(--font);font-weight:700;font-size:15.5px;letter-spacing:.03em;
  padding:13px 26px;border-radius:var(--radius-pill);border:1.5px solid var(--bg);
  background:var(--bg);color:var(--fg);transition:.25s var(--ease);
  box-shadow:var(--shadow-xs);white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 26px -10px rgba(27,95,176,.5)}
.btn .ar{transition:transform .25s var(--ease)}
.btn:hover .ar{transform:translateX(4px)}
.btn--ghost{--bg:transparent;--fg:var(--blue);border-color:rgba(27,95,176,.35)}
.btn--ghost:hover{--bg:var(--blue);--fg:#fff;border-color:var(--blue)}
.btn--light{--bg:#fff;--fg:var(--blue-deep);border-color:#fff}
.btn--outline-light{--bg:transparent;--fg:#fff;border-color:rgba(255,255,255,.5)}
.btn--outline-light:hover{--bg:#fff;--fg:var(--blue-deep)}
.btn--sm{padding:9px 18px;font-size:14px}

/* =======================  HEADER  ======================= */
.topbar{background:var(--bg-ink);color:#cdd9e8;font-size:13.5px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;height:40px}
.topbar a{color:#dbe6f3;transition:.2s}.topbar a:hover{color:#fff}
.topbar .tinfo{display:flex;gap:22px;align-items:center}
.topbar .tinfo b{font-family:var(--font-num);color:#fff;letter-spacing:.04em;font-weight:600}
.topbar .tnum{font-family:var(--font-num);letter-spacing:.05em}

.site-head{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line);
  transition:box-shadow .3s}
.site-head.scrolled{box-shadow:0 6px 24px -16px rgba(14,42,90,.5)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:18px}
.brand{display:flex;align-items:center;gap:13px;flex-shrink:0}
.brand .mark{width:42px;height:42px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,var(--blue) 0,var(--teal) 120%);
  display:grid;place-items:center;box-shadow:0 6px 16px -6px rgba(27,95,176,.6);position:relative;overflow:hidden}
.brand .mark svg{width:25px;height:25px}
.brand .blogo{height:46px;width:auto;flex-shrink:0;display:block}
.brand .btxt strong{display:block;font-size:20px;color:var(--blue-ink);letter-spacing:.16em;
  font-weight:800;line-height:1.1}
.brand .btxt span{display:block;font-family:var(--font-num);font-size:10.5px;letter-spacing:.34em;
  color:var(--teal-deep);text-transform:uppercase;margin-top:2px}

.nav{display:flex;align-items:center;gap:4px}
.nav a{position:relative;padding:10px 16px;font-size:16px;font-weight:600;color:#33424f;
  border-radius:var(--radius-pill);transition:.2s var(--ease);letter-spacing:.04em}
.nav a:hover{color:var(--blue-deep);background:var(--bg-wash)}
.nav a.active{color:#fff;background:var(--blue);box-shadow:0 8px 18px -8px rgba(27,95,176,.6)}
.head-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:12px;
  background:#fff;cursor:pointer;flex-direction:column;gap:5px;justify-content:center;align-items:center}
.nav-toggle span{width:22px;height:2px;background:var(--ink);transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* =======================  HERO  ======================= */
.hero{position:relative;color:#fff;overflow:hidden;background:var(--bg-ink)}
.hero__bg{position:absolute;inset:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.42}
.hero__bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(11,28,52,.92) 0,rgba(13,38,72,.74) 46%,rgba(13,40,78,.30) 100%)}
.hero__grid{position:absolute;inset:0;opacity:.5;mix-blend-mode:soft-light;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:54px 54px;-webkit-mask-image:linear-gradient(105deg,#000,transparent 75%)}
.hero .wrap{position:relative;padding-top:clamp(64px,10vw,118px);padding-bottom:clamp(64px,10vw,120px)}
.hero__inner{max-width:720px}
.hero .eyebrow{color:#7fe3e0}.hero .eyebrow::before{background:#7fe3e0}
.hero h1{color:#fff;font-size:clamp(33px,5.6vw,62px);font-weight:800;letter-spacing:.015em;
  margin:.42em 0 .5em;line-height:1.12}
.hero h1 em{font-style:normal;color:#7fe3e0;position:relative;white-space:nowrap}
.hero__lead{font-size:clamp(16px,2vw,19px);color:#d4e2f2;max-width:560px;line-height:1.85}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}

.statstrip{position:relative;border-top:1px solid rgba(255,255,255,.14);background:rgba(7,21,40,.5)}
.statstrip .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:26px 20px;border-left:1px solid rgba(255,255,255,.1)}
.stat:first-child{border-left:0}
.stat b{display:block;font-family:var(--font-num);font-size:clamp(26px,3.2vw,38px);
  color:#fff;font-weight:600;letter-spacing:.02em;line-height:1}
.stat b i{font-style:normal;color:#7fe3e0;font-size:.6em}
.stat span{display:block;color:#9fb4cc;font-size:13.5px;margin-top:8px;letter-spacing:.04em}

/* =======================  CATEGORY CARDS  ======================= */
.catgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cat-card{position:relative;display:block;border-radius:var(--radius);overflow:hidden;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:.35s var(--ease)}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cfe0f3}
.cat-card__img{aspect-ratio:4/3;background:var(--bg-alt);overflow:hidden;position:relative}
.cat-card__img img{width:100%;height:100%;object-fit:contain;padding:14px;
  transition:transform .5s var(--ease);mix-blend-mode:multiply}
.cat-card:hover .cat-card__img img{transform:scale(1.06)}
.cat-card__b{padding:16px 18px;display:flex;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line-soft)}
.cat-card__b h3{font-size:17px}
.cat-card__b .n{font-family:var(--font-num);font-size:13px;color:var(--muted);
  background:var(--bg-alt);padding:3px 10px;border-radius:var(--radius-pill);font-weight:600}
.cat-card:hover .cat-card__b .n{background:var(--blue);color:#fff}
.cat-card .corner{position:absolute;top:0;left:0;width:0;height:0;
  border-top:42px solid var(--teal);border-right:42px solid transparent;opacity:0;transition:.3s}
.cat-card:hover .corner{opacity:1}

/* =======================  FEATURE / WHY  ======================= */
.feat{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feat-card{padding:30px 26px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);
  position:relative;overflow:hidden;transition:.3s var(--ease)}
.feat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--blue),var(--teal));transform:scaleX(0);transform-origin:left;
  transition:transform .4s var(--ease)}
.feat-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.feat-card:hover::before{transform:scaleX(1)}
.feat-card .ic{width:52px;height:52px;border-radius:13px;display:grid;place-items:center;
  background:var(--bg-wash);color:var(--blue);margin-bottom:18px}
.feat-card .ic svg{width:27px;height:27px}
.feat-card h3{font-size:18.5px;margin-bottom:9px}
.feat-card p{font-size:14.7px;color:var(--body);line-height:1.75}
.feat-card .no{position:absolute;right:18px;top:14px;font-family:var(--font-num);font-size:13px;
  color:#cdd8e6;font-weight:600;letter-spacing:.1em}

/* =======================  PRODUCT GRID  ======================= */
.filterbar{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:30px}
.chip{font-family:var(--font);font-weight:600;font-size:14.5px;letter-spacing:.03em;
  padding:9px 17px;border-radius:var(--radius-pill);border:1.5px solid var(--line);
  background:#fff;color:#46535f;cursor:pointer;transition:.2s var(--ease);white-space:nowrap}
.chip:hover{border-color:var(--blue);color:var(--blue-deep)}
.chip .c{font-family:var(--font-num);font-size:12px;opacity:.6;margin-left:5px}
.chip.active{background:var(--blue);border-color:var(--blue);color:#fff}
.chip.active .c{opacity:.85}

.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:.3s var(--ease);
  box-shadow:var(--shadow-xs)}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cfe0f3}
.pcard__img{aspect-ratio:1/1;background:linear-gradient(160deg,#fff,var(--bg-alt));
  position:relative;overflow:hidden}
.pcard__img img{width:100%;height:100%;object-fit:contain;padding:16px;
  transition:transform .5s var(--ease);mix-blend-mode:multiply}
.pcard:hover .pcard__img img{transform:scale(1.07)}
.pcard__tag{position:absolute;top:11px;left:11px;font-size:11.5px;font-weight:600;letter-spacing:.04em;
  background:rgba(255,255,255,.9);color:var(--blue-deep);padding:4px 10px;border-radius:var(--radius-pill);
  backdrop-filter:blur(4px);border:1px solid var(--line)}
.pcard__zoom{position:absolute;right:11px;bottom:11px;width:34px;height:34px;border-radius:9px;
  background:rgba(15,33,56,.0);display:grid;place-items:center;color:#fff;opacity:0;transform:scale(.8);
  transition:.25s var(--ease)}
.pcard:hover .pcard__zoom{opacity:1;transform:scale(1);background:rgba(15,33,56,.78)}
.pcard__b{padding:15px 16px 18px;border-top:1px solid var(--line-soft);display:flex;
  flex-direction:column;gap:9px;flex:1}
.pcard__b h3{font-size:15.5px;line-height:1.45;color:var(--ink);font-weight:700}
.pcard__model{font-family:var(--font-num);font-size:13px;color:var(--teal-deep);font-weight:600;
  letter-spacing:.06em}
.pcard__specs{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto}
.spchip{font-family:var(--font-num);font-size:11.5px;letter-spacing:.03em;color:#56636f;
  background:var(--bg-alt);border:1px solid var(--line);padding:3px 8px;border-radius:7px}
.spchip b{color:var(--blue-deep);font-weight:600}
.empty-note{grid-column:1/-1;text-align:center;color:var(--muted);padding:40px 0}

/* =======================  PRODUCT SPEC TABLE  ======================= */
.spectable{width:100%;border-collapse:collapse;font-size:14px}
.spectable th,.spectable td{text-align:left;padding:10px 4px;border-bottom:1px solid var(--line-soft);
  vertical-align:top}
.spectable th{color:var(--muted);font-weight:600;width:38%;white-space:nowrap;padding-right:14px}
.spectable td{color:var(--ink);font-family:var(--font-num);letter-spacing:.01em;line-height:1.5}
.modal__note{font-size:12.5px;color:var(--muted);margin-top:14px;line-height:1.6}

/* =======================  CASES / GALLERY  ======================= */
.gallery{columns:4 240px;column-gap:16px}
.gallery figure{break-inside:avoid;margin:0 0 16px;border-radius:var(--radius);overflow:hidden;
  position:relative;cursor:pointer;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  background:#fff;transition:.3s var(--ease)}
.gallery figure:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.gallery img{width:100%;height:auto;display:block;transition:transform .5s var(--ease)}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 16px 13px;color:#fff;
  font-size:13.5px;letter-spacing:.05em;opacity:0;transition:.3s;
  background:linear-gradient(0deg,rgba(11,28,52,.82),transparent)}
.gallery figure:hover figcaption{opacity:1}
.gallery figcaption b{font-family:var(--font-num);color:#7fe3e0;font-weight:600}

/* lightbox */
.lb{position:fixed;inset:0;z-index:140;display:none;align-items:center;justify-content:center;padding:30px}
.lb.open{display:flex}
.lb__bd{position:absolute;inset:0;background:rgba(7,18,34,.9);animation:fade .3s}
.lb img{position:relative;max-width:92vw;max-height:86vh;border-radius:10px;
  box-shadow:var(--shadow-lg);animation:pop .35s var(--ease)}
.lb__x,.lb__nav{position:absolute;z-index:2;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.08);
  color:#fff;cursor:pointer;border-radius:11px;display:grid;place-items:center;transition:.2s}
.lb__x{top:24px;right:24px;width:46px;height:46px}
.lb__nav{top:50%;transform:translateY(-50%);width:52px;height:52px;font-size:22px}
.lb__nav:hover,.lb__x:hover{background:rgba(255,255,255,.2)}
.lb__prev{left:24px}.lb__next{right:24px}

/* =======================  CTA BAND  ======================= */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(115deg,var(--blue-deep),var(--blue-700));
  color:#fff;border-radius:var(--radius-lg);padding:clamp(38px,6vw,64px) clamp(28px,5vw,64px);
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;box-shadow:var(--shadow-lg)}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(127,227,224,.4),transparent 68%);pointer-events:none}
.cta-band__t{position:relative;max-width:560px}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:10px;letter-spacing:.02em}
.cta-band p{color:#cfe0f5}
.cta-band .grp{position:relative;display:flex;gap:12px;flex-wrap:wrap}

/* =======================  CONTACT  ======================= */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:34px;align-items:start}
.cinfo{display:flex;flex-direction:column;gap:14px}
.cinfo .row{display:flex;gap:16px;padding:20px;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;box-shadow:var(--shadow-xs);transition:.25s var(--ease)}
.cinfo .row:hover{border-color:#cfe0f3;box-shadow:var(--shadow-sm)}
.cinfo .ic{width:46px;height:46px;border-radius:12px;background:var(--bg-wash);color:var(--blue);
  display:grid;place-items:center;flex-shrink:0}
.cinfo .ic svg{width:23px;height:23px}
.cinfo .k{font-size:13px;color:var(--muted);letter-spacing:.08em;margin-bottom:3px}
.cinfo .v{font-size:17px;color:var(--ink);font-weight:600;font-family:var(--font-num);letter-spacing:.02em}
.cinfo .v.zh{font-family:var(--font)}
.cmap{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  min-height:420px;height:100%}
.cmap iframe{width:100%;height:100%;min-height:420px;border:0;display:block}

/* page hero (inner pages) */
.phead{background:linear-gradient(120deg,var(--bg-ink),#16365f);color:#fff;position:relative;overflow:hidden}
.phead__grid{position:absolute;inset:0;opacity:.4;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:48px 48px;
  -webkit-mask-image:radial-gradient(circle at 70% 30%,#000,transparent 70%)}
.phead .wrap{position:relative;padding:clamp(46px,7vw,82px) var(--gut) clamp(40px,6vw,64px)}
.phead .eyebrow{color:#7fe3e0}.phead .eyebrow::before{background:#7fe3e0}
.phead h1{color:#fff;font-size:clamp(28px,4.4vw,46px);font-weight:800;letter-spacing:.02em;margin:.4em 0 .3em}
.phead p{color:#c8d8ec;max-width:600px}
.crumb{display:flex;gap:9px;align-items:center;font-size:13.5px;color:#9fb4cc;margin-bottom:6px}
.crumb a:hover{color:#fff}.crumb span{opacity:.5}

/* prose (about) */
.prose p{margin-bottom:1.15em;font-size:16.5px;line-height:1.85}
.prose p:last-child{margin-bottom:0}
.lead{font-size:clamp(18px,2.4vw,22px);line-height:1.7;color:var(--ink);font-weight:600}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,58px);align-items:center}
.media-frame{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);position:relative}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.media-frame::after{content:"";position:absolute;inset:0;border:1px solid rgba(255,255,255,.4);
  border-radius:inherit;pointer-events:none}
.factlist{display:grid;gap:2px;margin-top:26px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.factlist div{display:flex;justify-content:space-between;gap:16px;padding:15px 20px;background:#fff;
  border-bottom:1px solid var(--line-soft)}
.factlist div:last-child{border-bottom:0}
.factlist .k{color:var(--muted);font-size:14.5px}
.factlist .vv{color:var(--ink);font-weight:600;font-family:var(--font-num);letter-spacing:.02em;text-align:right}

/* =======================  PRODUCT DETAIL  ======================= */
.crumbbar{border-bottom:1px solid var(--line);background:var(--bg-alt)}
.crumbbar .wrap{display:flex;gap:9px;align-items:center;flex-wrap:wrap;padding:14px var(--gut);font-size:13.5px;color:var(--muted)}
.crumbbar a{color:var(--body)}.crumbbar a:hover{color:var(--blue)}
.crumbbar .sep{opacity:.45}.crumbbar .cur{color:var(--ink);font-weight:600}
.pdetail{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(26px,4vw,54px);align-items:start}
.pgallery__main{aspect-ratio:1/1;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(160deg,#fff,var(--bg-alt));display:grid;place-items:center;cursor:zoom-in}
.pgallery__main img{width:100%;height:100%;object-fit:contain;padding:clamp(20px,3vw,40px);
  mix-blend-mode:multiply;transition:transform .4s var(--ease)}
.pgallery__main:hover img{transform:scale(1.03)}
.pgallery__thumbs{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.pthumb{width:72px;height:72px;border:1.5px solid var(--line);border-radius:10px;overflow:hidden;
  background:#fff;cursor:pointer;padding:0;transition:.2s}
.pthumb:hover{border-color:#cfe0f3}.pthumb.active{border-color:var(--blue)}
.pthumb img{width:100%;height:100%;object-fit:contain;padding:7px}
.pdetail__info .badge{display:inline-block;background:var(--bg-wash);color:var(--blue-deep);font-size:13px;
  font-weight:600;padding:5px 14px;border-radius:var(--radius-pill);letter-spacing:.05em}
.pdetail__info h1{font-size:clamp(24px,3.2vw,35px);margin:16px 0 8px;line-height:1.28}
.pdetail__info .pmodel{font-family:var(--font-num);color:var(--teal-deep);font-weight:600;font-size:16px;
  letter-spacing:.05em;margin-bottom:18px}
.pdetail__info .pcard__specs{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 22px}
.pdetail__info .spectable{margin-top:2px}
.pcta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
@media(max-width:820px){.pdetail{grid-template-columns:1fr;gap:22px}}

/* =======================  FOOTER  ======================= */
.foot{background:var(--bg-ink);color:#a9bace;padding-top:clamp(48px,6vw,72px)}
.foot a{color:#c3d2e4;transition:.2s}.foot a:hover{color:#fff}
.foot__top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot__brand .flogo{height:44px;width:auto;display:block;margin-bottom:16px;
  filter:drop-shadow(0 2px 6px rgba(0,0,0,.3))}
.foot__brand strong{color:#fff;font-size:19px;letter-spacing:.14em;font-weight:800;display:block;margin-bottom:6px}
.foot__brand span{font-family:var(--font-num);font-size:10.5px;letter-spacing:.3em;color:#6f8aa8;text-transform:uppercase}
.foot__brand p{margin-top:16px;font-size:14px;line-height:1.8;color:#8ea3bd;max-width:280px}
.foot h4{color:#fff;font-size:14px;letter-spacing:.1em;margin-bottom:16px;font-weight:700}
.foot ul li{margin-bottom:10px;font-size:14.5px}
.foot__contact li{display:flex;gap:10px;margin-bottom:13px;font-size:14.5px;color:#b9c8da;align-items:flex-start}
.foot__contact .num{font-family:var(--font-num);letter-spacing:.04em}
.foot__contact svg{width:17px;height:17px;flex-shrink:0;margin-top:3px;color:var(--teal)}
.foot__bottom{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  padding:22px 0;font-size:13px;color:#7790ab}
.foot__bottom .tag{font-family:var(--font-num);letter-spacing:.05em}

/* =======================  REVEAL  ======================= */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.07s}.reveal[data-d="2"]{transition-delay:.14s}
.reveal[data-d="3"]{transition-delay:.21s}.reveal[data-d="4"]{transition-delay:.28s}
.reveal[data-d="5"]{transition-delay:.35s}.reveal[data-d="6"]{transition-delay:.42s}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* =======================  RESPONSIVE  ======================= */
@media(max-width:1080px){
  .catgrid,.pgrid{grid-template-columns:repeat(3,1fr)}
  .feat{grid-template-columns:repeat(2,1fr)}
  .foot__top{grid-template-columns:1fr 1fr}
}
@media(max-width:820px){
  .topbar .tinfo{gap:14px}.topbar .tdim{display:none}
  .nav{position:fixed;inset:74px 0 auto 0;flex-direction:column;background:#fff;padding:16px var(--gut) 26px;
    gap:4px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);transform:translateY(-12px);
    opacity:0;pointer-events:none;transition:.28s var(--ease)}
  .nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav a{width:100%;padding:13px 16px;font-size:16.5px}
  .nav-toggle{display:flex}
  .head-cta .btn{display:none}
  .statstrip .wrap{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(odd){border-left:0}.stat:nth-child(n+3){border-top:1px solid rgba(255,255,255,.1)}
  .catgrid,.pgrid{grid-template-columns:repeat(2,1fr);gap:13px}
  .contact-grid,.split{grid-template-columns:1fr;gap:26px}
  .gallery{columns:2 160px}
}
@media(max-width:480px){
  .feat{grid-template-columns:1fr}
  .brand .btxt strong{font-size:17px;letter-spacing:.1em}
  .cta-band{flex-direction:column;align-items:flex-start}
  .lb__nav{width:42px;height:42px}
}

/* 關於頁「核心能力」三卡：桌機 3 欄、手機單欄堆疊（置於最後確保覆蓋 .feat 媒體查詢）*/
.feat--3{grid-template-columns:repeat(3,1fr)}
@media(max-width:880px){.feat--3{grid-template-columns:1fr}}