@charset "UTF-8";
/* ==========================================================================
   沃邁克科技 OMX — 一頁式官網樣式
   深色科技風。所有顏色、字級、間距集中在下方 :root，改這裡就能整站換色。
   ========================================================================== */

:root{
  /* ── 色票 ───────────────────────────────────────────── */
  --bg:        #070B12;   /* 主背景 */
  --bg-alt:    #0B111C;   /* 交錯區塊背景 */
  --surface:   #101927;   /* 卡片 */
  --surface-2: #162131;   /* 卡片 hover／表格斑馬 */
  --line:      #1E2C40;   /* 分隔線 */

  --text:      #E6EDF6;   /* 主要文字 */
  --text-dim:  #94A6BC;   /* 次要文字 */
  --text-mute: #64758C;   /* 弱化文字 */

  --cyan:      #35D6E0;   /* 主色（沿用量測系統 UI） */
  --green:     #74D48C;   /* logo 綠 */
  --magenta:   #F063C8;   /* 第二通道色 */
  --cyan-soft: rgba(53,214,224,.12);

  /* ── 版面 ───────────────────────────────────────────── */
  --wrap: 1200px;
  --nav-h: 68px;
  --r: 14px;              /* 圓角 */

  --font: "Noto Sans TC","PingFang TC","Microsoft JhengHei",
          -apple-system,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;
  --mono: "SFMono-Regular",Consolas,"JetBrains Mono","Roboto Mono",monospace;

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

/* ── Reset ────────────────────────────────────────────── */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:calc(var(--nav-h) + 12px); }
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:var(--font); font-size:16px; line-height:1.75;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
button,input,select,textarea{ font:inherit; color:inherit; }
h1,h2,h3,h4,p,ul,ol,figure,blockquote{ margin:0; }
ul,ol{ padding:0; list-style:none; }
table{ border-collapse:collapse; width:100%; }

.mono{ font-family:var(--mono); font-variant-numeric:tabular-nums; letter-spacing:-.01em; }
.nowrap{ white-space:nowrap; }
.wrap{ width:min(100% - 40px, var(--wrap)); margin-inline:auto; }
.grad{
  background:linear-gradient(100deg,var(--green),var(--cyan) 60%,#7FB6FF);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.visually-hidden{
  position:absolute; width:1px; height:1px; margin:-1px; padding:0;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}
.skip-link{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--cyan); color:#04121A; padding:10px 18px; border-radius:0 0 8px 0;
}
.skip-link:focus{ left:0; }
:focus-visible{ outline:2px solid var(--cyan); outline-offset:3px; border-radius:4px; }

/* ── 進場動畫 ─────────────────────────────────────────
   只有在 JS 正常運作時才先隱藏（<html class="js"> 由 index.html 內的
   一行 script 加上）。JS 失效時內容照樣完整顯示，不會整頁空白。
──────────────────────────────────────────────────────── */
.js .reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.is-in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .js .reveal{ opacity:1; transform:none; transition:none; }
  *{ animation:none !important; }
}


/* ==========================================================================
   導覽列
   ========================================================================== */
.nav{
  position:fixed; inset:0 0 auto 0; z-index:100; height:var(--nav-h);
  display:flex; align-items:center;
  background:rgba(7,11,18,.55); backdrop-filter:blur(14px);
  border-bottom:1px solid transparent; transition:background .3s, border-color .3s;
}
.nav.is-stuck{ background:rgba(7,11,18,.92); border-bottom-color:var(--line); }
.nav__inner{ display:flex; align-items:center; gap:24px; }

.brand{ display:flex; align-items:center; gap:11px; flex:0 0 auto; }
.brand__mark{ width:64px; height:auto; }
.brand__text{ display:flex; flex-direction:column; line-height:1.15; }
.brand__text b{ font-size:15px; letter-spacing:.06em; }
.brand__text i{ font-style:normal; font-size:10.5px; color:var(--text-mute); letter-spacing:.16em; }

.nav__links{ margin-left:auto; display:flex; align-items:center; gap:4px; }
.nav__links a{
  padding:8px 13px; border-radius:8px; font-size:14.5px; color:var(--text-dim);
  transition:color .2s, background .2s;
}
.nav__links a:hover{ color:var(--text); background:rgba(255,255,255,.05); }
.nav__links a.is-active{ color:var(--cyan); }
.nav__cta{
  margin-left:8px; color:#04121A !important;
  background:linear-gradient(100deg,var(--green),var(--cyan)) !important;
  font-weight:700;
}
.nav__cta:hover{ filter:brightness(1.08); }

.nav__toggle{
  display:none; margin-left:auto; width:42px; height:42px; padding:10px;
  background:none; border:1px solid var(--line); border-radius:10px; cursor:pointer;
}
.nav__toggle span{
  display:block; height:2px; background:var(--text); border-radius:2px;
  transition:transform .3s var(--ease), opacity .2s;
}
.nav__toggle span + span{ margin-top:5px; }
.nav__toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }


/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  position:relative; min-height:100svh; display:flex; align-items:center;
  padding:calc(var(--nav-h) + 60px) 0 90px; overflow:hidden;
}
.hero__bg{ position:absolute; inset:0; z-index:0; }
.hero__bg img{
  width:100%; height:100%; object-fit:cover; object-position:62% 50%;
  filter:saturate(1.1) contrast(1.04);
}
/* 左側壓暗，讓標題文字有足夠對比；右側保留電漿輝光 */
.hero__bg::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(95deg,
      rgba(7,11,18,.97)  0%,
      rgba(7,11,18,.93) 34%,
      rgba(7,11,18,.62) 62%,
      rgba(7,11,18,.38) 85%,
      rgba(7,11,18,.55) 100%),
    linear-gradient(180deg,
      rgba(7,11,18,.70)  0%,
      rgba(7,11,18,.10) 26%,
      rgba(7,11,18,.45) 76%,
      var(--bg) 100%);
}
/* 細格線疊層，做出「量測介面」的感覺 */
.hero__grid{
  position:absolute; inset:0; z-index:1; pointer-events:none; opacity:.5;
  background-image:
    linear-gradient(rgba(53,214,224,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53,214,224,.055) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(80% 70% at 30% 45%, #000 0%, transparent 80%);
  -webkit-mask-image:radial-gradient(80% 70% at 30% 45%, #000 0%, transparent 80%);
}
.hero__inner{ position:relative; z-index:2; max-width:920px; }

.eyebrow{
  font-family:var(--mono); font-size:12px; letter-spacing:.28em;
  color:var(--cyan); margin-bottom:20px; text-transform:uppercase;
}
.hero__title{
  font-size:clamp(2.3rem, 6vw, 4.4rem); line-height:1.14; font-weight:800;
  letter-spacing:-.015em; margin-bottom:26px;
}
.hero__lead{
  font-size:clamp(1rem, 1.5vw, 1.14rem); color:var(--text-dim);
  max-width:62ch; margin-bottom:36px;
}
.hero__lead b{ color:var(--text); font-weight:600; }

.hero__actions{ display:flex; flex-wrap:wrap; gap:14px; margin-bottom:56px; }
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:13px 28px; border-radius:999px; border:1px solid transparent;
  font-size:15px; font-weight:600; cursor:pointer;
  transition:transform .2s var(--ease), filter .2s, background .2s, border-color .2s;
}
.btn:hover{ transform:translateY(-2px); }
.btn--primary{ background:linear-gradient(100deg,var(--green),var(--cyan)); color:#04121A; }
.btn--primary:hover{ filter:brightness(1.08); }
.btn--ghost{ border-color:var(--line); color:var(--text); background:rgba(255,255,255,.03); }
.btn--ghost:hover{ border-color:var(--cyan); background:var(--cyan-soft); }

.hero__stats{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line); border-radius:var(--r); overflow:hidden;
}
.hero__stats li{
  background:rgba(11,17,28,.82); padding:20px 22px;
  display:flex; flex-direction:column; gap:2px;
}
.hero__stats b{ font-size:clamp(1.5rem,2.6vw,2.1rem); font-weight:700; color:var(--cyan); line-height:1.1; }
.hero__stats span{ font-size:12.5px; color:var(--text-mute); display:flex; align-items:baseline; gap:8px; }
.hero__stats em{ font-style:normal; color:var(--text-dim); font-size:13px; }

.hero__scroll{
  position:absolute; left:50%; bottom:26px; z-index:2; translate:-50% 0;
  width:24px; height:38px; border:1px solid var(--line); border-radius:14px;
  display:grid; place-items:start center; padding-top:7px;
}
.hero__scroll span{
  width:3px; height:7px; border-radius:2px; background:var(--cyan);
  animation:scrolldot 1.8s var(--ease) infinite;
}
@keyframes scrolldot{ 0%{opacity:0;transform:translateY(0)} 40%{opacity:1} 100%{opacity:0;transform:translateY(14px)} }


/* ==========================================================================
   共用區塊
   ========================================================================== */
.section{ padding:clamp(72px, 9vw, 130px) 0; position:relative; }
.section--alt{ background:var(--bg-alt); border-block:1px solid var(--line); }

.sec-head{ max-width:760px; margin-bottom:clamp(40px,5vw,64px); }
.sec-head h2{
  font-size:clamp(1.7rem, 3.4vw, 2.6rem); font-weight:800;
  letter-spacing:-.01em; line-height:1.25; margin-bottom:18px;
}
.sec-lead{ color:var(--text-dim); font-size:clamp(.98rem,1.25vw,1.06rem); }
.sec-lead b{ color:var(--text); font-weight:600; }
.sub-head{
  font-size:1.2rem; font-weight:700; margin:clamp(48px,6vw,72px) 0 26px;
  padding-left:14px; border-left:3px solid var(--cyan);
}

/* ── 卡片 ─────────────────────────────────────────────── */
.cards{ display:grid; gap:20px; }
.cards--4{ grid-template-columns:repeat(4,1fr); }
.cards--3{ grid-template-columns:repeat(3,1fr); }

.card{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r);
  padding:28px 26px 30px; position:relative; overflow:hidden;
  transition:transform .3s var(--ease), border-color .3s, background .3s;
}
.card::before{
  content:""; position:absolute; inset:0 0 auto 0; height:2px;
  background:linear-gradient(90deg,var(--green),var(--cyan));
  transform:scaleX(0); transform-origin:left; transition:transform .45s var(--ease);
}
.card:hover{ transform:translateY(-4px); border-color:#2A3E58; background:var(--surface-2); }
.card:hover::before{ transform:scaleX(1); }
.card__icon{
  width:44px; height:44px; border-radius:11px; margin-bottom:18px;
  display:grid; place-items:center; background:var(--cyan-soft); border:1px solid rgba(53,214,224,.22);
}
.card__icon svg{ width:22px; height:22px; fill:none; stroke:var(--cyan); stroke-width:1.7; stroke-linecap:round; stroke-linejoin:round; }
.card h3{ font-size:1.08rem; font-weight:700; margin-bottom:10px; }
.card p{ font-size:14.5px; color:var(--text-dim); }
.card p b{ color:var(--cyan); font-weight:600; }

.app{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r);
  padding:26px 24px; border-left:3px solid var(--cyan);
  transition:transform .3s var(--ease), background .3s;
}
.app:hover{ transform:translateX(4px); background:var(--surface-2); }
.app h3{ font-size:1.05rem; font-weight:700; margin-bottom:8px; }
.app p{ font-size:14.5px; color:var(--text-dim); }


/* ==========================================================================
   製程時間軸
   ========================================================================== */
.steps{
  display:grid; grid-template-columns:repeat(2,1fr); gap:0 44px;
  position:relative; margin-bottom:clamp(48px,6vw,72px);
}
.step{ display:flex; gap:18px; padding:22px 0; border-bottom:1px solid var(--line); }
.step:nth-last-child(-n+2){ border-bottom:0; }
.step__no{
  flex:0 0 auto; width:42px; height:42px; border-radius:50%;
  display:grid; place-items:center; font-size:13px; font-weight:700;
  color:var(--cyan); background:var(--cyan-soft); border:1px solid rgba(53,214,224,.25);
}
.step__body h3{ font-size:1.02rem; font-weight:700; margin-bottom:6px; display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.step__body p{ font-size:14.5px; color:var(--text-dim); }
.step--hi .step__no{
  color:#04121A; background:linear-gradient(120deg,var(--green),var(--cyan)); border-color:transparent;
}
.tag{
  font-size:11px; font-weight:600; letter-spacing:.06em; padding:2px 9px; border-radius:999px;
  color:var(--green); background:rgba(116,212,140,.12); border:1px solid rgba(116,212,140,.28);
}
.chip{
  display:inline-block; font-family:var(--mono); font-size:12.5px;
  padding:1px 8px; margin-right:6px; border-radius:6px;
  background:rgba(255,255,255,.05); border:1px solid var(--line); color:var(--text);
}


/* ==========================================================================
   圖庫
   ========================================================================== */
.gal{ display:grid; gap:16px; }
.gal--process{ grid-template-columns:repeat(3,1fr); }
.gal--open{ grid-template-columns:repeat(3,1fr); }

.gal__item{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r);
  overflow:hidden; transition:border-color .3s, transform .3s var(--ease);
}
.gal__item:hover{ border-color:#2A3E58; transform:translateY(-3px); }
.gal__item img{
  width:100%; aspect-ratio:4/3; object-fit:cover; cursor:zoom-in;
  transition:transform .5s var(--ease);
}
.gal__item:hover img{ transform:scale(1.04); }
.gal__item figcaption{
  padding:14px 16px 16px; font-size:13.5px; color:var(--text-dim);
  border-top:1px solid var(--line);
}
.gal__item figcaption b{ display:block; color:var(--text); font-size:14.5px; font-weight:600; margin-bottom:2px; }

.poster{
  background:var(--surface); border:1px solid var(--line);
  border-radius:var(--r); overflow:hidden; margin-top:16px;
}
.poster img{ width:100%; cursor:zoom-in; }
.poster figcaption{ padding:14px 18px; font-size:13.5px; color:var(--text-mute); border-top:1px solid var(--line); }


/* ==========================================================================
   產品
   ========================================================================== */
.prod{
  display:grid; grid-template-columns:1fr 1fr; gap:clamp(28px,4vw,56px);
  align-items:center; padding:clamp(32px,4vw,52px) 0;
  border-top:1px solid var(--line);
}
.prod:first-of-type{ border-top:0; padding-top:0; }
.prod--rev .prod__media{ order:2; }

.prod__media{
  border-radius:var(--r); overflow:hidden; border:1px solid var(--line);
  background:var(--surface);
}
.prod__media img{ width:100%; aspect-ratio:4/3; object-fit:cover; cursor:zoom-in; }
.prod__media--split{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); }
/* 併排兩張時用正方形，橫幅與直幅來源都不會被裁太兇 */
.prod__media--split img{ aspect-ratio:1/1; }

.prod__no{ font-size:12px; letter-spacing:.2em; color:var(--cyan); margin-bottom:10px; }
.prod__body h3{ font-size:clamp(1.3rem,2.4vw,1.85rem); font-weight:800; margin-bottom:14px; }
.prod__desc{ color:var(--text-dim); font-size:15px; margin-bottom:22px; }
.prod__desc b{ color:var(--text); font-weight:600; }

.kv{ border-top:1px solid var(--line); }
.kv li{
  display:grid; grid-template-columns:106px 1fr; gap:14px;
  padding:11px 0; border-bottom:1px solid var(--line); font-size:14.5px;
}
.kv span{ color:var(--text-mute); font-size:13.5px; }
.kv b{ font-weight:600; }

.link-arrow{
  display:inline-flex; align-items:center; gap:8px; margin-top:22px;
  color:var(--cyan); font-size:14.5px; font-weight:600;
}
.link-arrow::after{ content:"→"; transition:transform .25s var(--ease); }
.link-arrow:hover::after{ transform:translateX(5px); }


/* ==========================================================================
   規格
   ========================================================================== */
.spec-layout{ display:grid; grid-template-columns:minmax(0,1.05fr) minmax(0,1fr); gap:clamp(24px,3vw,40px); align-items:start; }

.spec-table-wrap{
  border:1px solid var(--line); border-radius:var(--r); overflow:auto;
  background:var(--surface); position:sticky; top:calc(var(--nav-h) + 20px);
}
.spec-table{ font-size:14px; min-width:460px; }
.spec-table th,.spec-table td{
  padding:11px 16px; text-align:left; vertical-align:middle;
  border-bottom:1px solid var(--line);
}
.spec-table tr:last-child th,.spec-table tr:last-child td{ border-bottom:0; }
.spec-table th{ font-weight:600; color:var(--text-dim); background:rgba(255,255,255,.015); }
.spec-table th[scope="rowgroup"]{
  color:var(--cyan); font-size:13px; background:var(--cyan-soft);
  border-right:1px solid var(--line); white-space:nowrap; width:96px;
}
.spec-table td{ color:var(--text); font-weight:600; }
.spec-table td small{ color:var(--text-mute); font-weight:400; font-size:12px; }
.spec-table tr.grp th[scope="row"],.spec-table tr.grp td{ border-top:1px solid var(--line); }
.spec-table tbody tr:hover td{ background:var(--surface-2); }

.spec-figs{ display:grid; gap:16px; }
.fig{
  background:#fff; border:1px solid var(--line); border-radius:var(--r); overflow:hidden;
}
.fig img{ width:100%; padding:14px 14px 6px; cursor:zoom-in; }
.fig figcaption{
  padding:14px 18px 16px; font-size:13px; line-height:1.65;
  color:var(--text-dim); background:var(--surface); border-top:1px solid var(--line);
}
.fig figcaption b{ display:block; color:var(--text); font-size:14.5px; font-weight:600; margin-bottom:4px; }

.note{
  margin-top:clamp(32px,4vw,48px); padding:22px 26px;
  border:1px solid var(--line); border-left:3px solid var(--magenta); border-radius:10px;
  background:rgba(240,99,200,.05); font-size:13.5px; color:var(--text-dim); line-height:1.8;
}
.note b{ display:block; color:var(--text); font-size:14px; margin-bottom:6px; }


/* ==========================================================================
   量測系統
   ========================================================================== */
.sys{ display:grid; grid-template-columns:minmax(0,1.55fr) minmax(0,1fr); gap:24px; align-items:start; }
.sys__shot{
  border:1px solid var(--line); border-radius:var(--r); overflow:hidden;
  background:#0A0E15; box-shadow:0 24px 60px -30px rgba(53,214,224,.35);
}
.sys__shot img{ width:100%; cursor:zoom-in; transition:opacity .25s; }
.sys__shot.is-loading img{ opacity:.35; }

.sys__tabs{ display:grid; gap:8px; }
.sys__tabs button{
  width:100%; text-align:left; cursor:pointer; padding:14px 18px;
  background:var(--surface); border:1px solid var(--line); border-radius:11px;
  transition:border-color .25s, background .25s, transform .25s var(--ease);
}
.sys__tabs button:hover{ transform:translateX(3px); border-color:#2A3E58; }
.sys__tabs button b{ display:block; font-size:14.5px; font-weight:650; margin-bottom:2px; }
.sys__tabs button span{ font-size:13px; color:var(--text-mute); }
.sys__tabs button[aria-selected="true"]{
  border-color:var(--cyan); background:var(--cyan-soft);
}
.sys__tabs button[aria-selected="true"] b{ color:var(--cyan); }


/* ==========================================================================
   關於我們
   ========================================================================== */
.about-lead{
  display:grid; grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  gap:clamp(24px,3.5vw,48px); align-items:center;
  padding:clamp(24px,3vw,40px); margin-bottom:clamp(40px,5vw,64px);
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r);
}
.about-lead__photo{ border-radius:12px; overflow:hidden; border:1px solid var(--line); }
.about-lead__photo img{ width:100%; aspect-ratio:4/3; object-fit:cover; object-position:50% 30%; }
.quote{
  font-size:clamp(1.05rem,1.7vw,1.3rem); line-height:1.85; color:var(--text);
  padding-left:22px; border-left:2px solid var(--cyan); margin-bottom:22px;
}
.sign b{ display:block; font-size:1.02rem; }
.sign span{ font-size:13px; color:var(--text-mute); letter-spacing:.06em; }

.about-grid{ display:grid; grid-template-columns:minmax(0,1.5fr) minmax(0,1fr); gap:clamp(24px,3.5vw,48px); align-items:start; }
.about-copy p{ color:var(--text-dim); margin-bottom:16px; }
.about-copy__placeholder{ color:var(--text-mute); font-style:italic; }

.facts{
  display:grid; grid-template-columns:repeat(2,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line); border-radius:var(--r); overflow:hidden;
}
.facts li{ background:var(--surface); padding:24px 22px; }
.facts b{ display:block; font-size:1.9rem; font-weight:700; color:var(--cyan); line-height:1.15; }
.facts span{ font-size:13px; color:var(--text-mute); }

.team__list{ display:grid; grid-template-columns:repeat(6,1fr); gap:16px; }
.member{ text-align:center; }
.member img{
  width:100%; aspect-ratio:3/4; object-fit:cover; object-position:50% 20%;
  border-radius:12px; border:1px solid var(--line); margin-bottom:12px;
  filter:grayscale(.35); transition:filter .35s, transform .35s var(--ease);
}
.member:hover img{ filter:none; transform:translateY(-4px); }
.member b{ display:block; font-size:14.5px; }
.member span{ font-size:12.5px; color:var(--text-mute); }


/* ==========================================================================
   聯絡
   ========================================================================== */
.contact{ display:grid; grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr); gap:clamp(24px,3.5vw,48px); align-items:start; }

.contact__info{
  border:1px solid var(--line); border-radius:var(--r); overflow:hidden; background:var(--surface);
}
.contact__info li{ padding:18px 22px; border-bottom:1px solid var(--line); }
.contact__info li:last-child{ border-bottom:0; }
.contact__label{
  display:block; font-family:var(--mono); font-size:11px; letter-spacing:.18em;
  color:var(--text-mute); text-transform:uppercase; margin-bottom:4px;
}
.contact__info b{ font-size:15px; font-weight:600; line-height:1.6; }
.contact__info a:hover{ color:var(--cyan); }

.contact__form{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field{ display:flex; flex-direction:column; gap:7px; }
.field--full{ grid-column:1 / -1; }
.field label{ font-size:13.5px; color:var(--text-dim); }
.field label i{ color:var(--magenta); font-style:normal; }
.field input,.field select,.field textarea{
  padding:12px 14px; background:var(--surface); color:var(--text);
  border:1px solid var(--line); border-radius:10px; font-size:15px;
  transition:border-color .2s, background .2s;
}
.field textarea{ resize:vertical; min-height:120px; }
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none; border-color:var(--cyan); background:var(--surface-2);
}
/* 只在使用者實際填錯後才標紅，空白的必填欄位不會一進頁面就變色 */
.field input:user-invalid,
.field textarea:user-invalid{ border-color:rgba(240,99,200,.6); }
.form__foot{ flex-direction:row; align-items:center; gap:18px; flex-wrap:wrap; }
.form__hint{ font-size:12.5px; color:var(--text-mute); }
.form__hint.is-err{ color:var(--magenta); }
.form__hint.is-ok{ color:var(--green); }


/* ==========================================================================
   頁尾／浮動元件
   ========================================================================== */
.foot{ background:#050810; border-top:1px solid var(--line); padding:56px 0 40px; }
.foot__inner{ display:grid; grid-template-columns:1fr auto; gap:32px 48px; }
.foot__brand{ display:flex; align-items:center; gap:16px; }
.foot__brand img{ width:104px; }
.foot__brand p{ font-size:14.5px; font-weight:600; line-height:1.5; }
.foot__brand span{ font-size:12px; color:var(--text-mute); font-weight:400; letter-spacing:.06em; }
.foot__nav{ display:flex; flex-wrap:wrap; gap:8px 22px; align-items:center; }
.foot__nav a{ font-size:14px; color:var(--text-dim); }
.foot__nav a:hover{ color:var(--cyan); }
.foot__copy{
  grid-column:1 / -1; padding-top:26px; border-top:1px solid var(--line);
  font-size:12.5px; color:var(--text-mute); line-height:1.9;
}

.totop{
  position:fixed; right:22px; bottom:22px; z-index:90;
  width:44px; height:44px; display:grid; place-items:center; border-radius:50%;
  background:var(--surface); border:1px solid var(--line); color:var(--cyan); font-size:18px;
  opacity:0; pointer-events:none; transform:translateY(10px);
  transition:opacity .3s, transform .3s var(--ease), border-color .2s;
}
.totop.is-on{ opacity:1; pointer-events:auto; transform:none; }
.totop:hover{ border-color:var(--cyan); }

.lightbox{
  position:fixed; inset:0; z-index:150; display:grid; place-items:center;
  padding:4vmin; background:rgba(3,6,11,.94); backdrop-filter:blur(6px);
  animation:fade .25s var(--ease);
}
.lightbox[hidden]{ display:none; }
.lightbox img{ max-width:100%; max-height:92vh; border-radius:10px; object-fit:contain; }
.lightbox__close{
  position:absolute; top:16px; right:20px; width:44px; height:44px;
  background:none; border:1px solid var(--line); border-radius:50%;
  color:var(--text); font-size:26px; line-height:1; cursor:pointer;
}
.lightbox__close:hover{ border-color:var(--cyan); color:var(--cyan); }
@keyframes fade{ from{opacity:0} to{opacity:1} }


/* ==========================================================================
   響應式
   ========================================================================== */
@media (max-width:1080px){
  .cards--4{ grid-template-columns:repeat(2,1fr); }
  .team__list{ grid-template-columns:repeat(3,1fr); }
  .spec-layout{ grid-template-columns:1fr; }
  .spec-table-wrap{ position:static; }
  .spec-figs{ grid-template-columns:repeat(2,1fr); }
  .sys{ grid-template-columns:1fr; }
  .sys__tabs{ grid-template-columns:repeat(2,1fr); }
}

@media (max-width:900px){
  /* 手機選單 */
  .nav__toggle{ display:block; }
  .nav__links{
    position:fixed; inset:var(--nav-h) 0 auto 0;
    flex-direction:column; align-items:stretch; gap:2px; margin:0; padding:14px 20px 22px;
    background:rgba(7,11,18,.98); border-bottom:1px solid var(--line);
    transform:translateY(-8px); opacity:0; pointer-events:none;
    transition:opacity .25s, transform .25s var(--ease);
    max-height:calc(100svh - var(--nav-h)); overflow:auto;
  }
  .nav__links.is-open{ opacity:1; transform:none; pointer-events:auto; }
  .nav__links a{ padding:13px 12px; font-size:16px; border-bottom:1px solid var(--line); border-radius:0; }
  .nav__cta{ margin:12px 0 0; border-radius:999px; text-align:center; }

  .hero{ min-height:auto; padding-bottom:70px; }
  .hero__stats{ grid-template-columns:repeat(2,1fr); }
  .hero__scroll{ display:none; }

  .steps{ grid-template-columns:1fr; gap:0; }
  .step:nth-last-child(-n+2){ border-bottom:1px solid var(--line); }
  .step:last-child{ border-bottom:0; }

  .gal--process,.gal--open{ grid-template-columns:repeat(2,1fr); }

  .prod,.prod--rev{ grid-template-columns:1fr; }
  .prod--rev .prod__media{ order:0; }

  .about-lead,.about-grid,.contact{ grid-template-columns:1fr; }
  .foot__inner{ grid-template-columns:1fr; }
}

@media (max-width:620px){
  .wrap{ width:calc(100% - 32px); }
  .cards--4,.cards--3{ grid-template-columns:1fr; }
  .spec-figs{ grid-template-columns:1fr; }
  .sys__tabs{ grid-template-columns:1fr; }
  .team__list{ grid-template-columns:repeat(2,1fr); }
  .gal--process,.gal--open{ grid-template-columns:1fr; }
  .facts{ grid-template-columns:1fr; }
  .contact__form{ grid-template-columns:1fr; }
  .kv li{ grid-template-columns:1fr; gap:2px; padding:10px 0; }
  .hero__actions .btn{ flex:1 1 100%; }
  /* 併排兩張照片在手機上改為上下排列，才看得清楚 */
  .prod__media--split{ grid-template-columns:1fr; }
  .prod__media--split img{ aspect-ratio:4/3; }
}

/* 列印：規格表友善 */
@media print{
  .nav,.hero__scroll,.totop,.lightbox,.contact__form,.nav__toggle{ display:none !important; }
  body{ background:#fff; color:#000; }
  .section,.section--alt{ background:#fff; border:0; padding:20px 0; }
  .spec-table th,.spec-table td{ border-color:#bbb; color:#000; }
  .reveal{ opacity:1; transform:none; }
}