/* 朝安科技 ZUND 數位切割 — 主樣式
   延續原設計語言：瑞士工業風 深藍/藍/橘，語意化 class，無框架。 */

:root{
  --navy:#102d45; --navy2:#0a2235; --blue:#1769aa; --blue-d:#12558a;
  --orange:#f28c28; --orange-ink:#a85c07;
  --hero:#edf2f5; --light:#f4f7f9; --ink:#16232d; --muted:#5b6772; --line:#dce3e8;
  --shell:1180px; --read:820px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;color:var(--ink);background:#fff;
  font-family:"Helvetica Neue",Arial,"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  font-size:16px;line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
/* <picture> 不產生盒子，讓 <img> 直接受父層版面規則約束 */
picture{display:contents}
h1,h2,h3,h4,p,ul,ol,figure{margin-top:0}
.container{width:min(var(--shell),calc(100% - 48px));margin:auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:99;background:#fff;padding:10px 14px;border:2px solid var(--blue)}

/* ---------- topbar ---------- */
.topbar{background:var(--navy2);color:#d9e5ed;font-size:12px}
.topbar-in{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-in div{display:flex;gap:22px}
.topbar a:hover{color:#fff}

/* ---------- header + nav ---------- */
header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.nav{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.brand img{width:132px;display:block}
.brand .zlogo{width:88px;height:auto;display:block;
  border-left:1px solid var(--line);padding-left:14px;box-sizing:content-box}

.menu{display:flex;gap:2px;list-style:none;margin:0;padding:0;font-size:14px;font-weight:700}
.menu>li{position:relative}
.menu>li>a{display:flex;align-items:center;gap:5px;padding:14px 12px;white-space:nowrap}
.menu>li>a:hover,.menu>li.on>a{color:var(--blue)}
.menu>li.on>a{box-shadow:inset 0 -3px 0 var(--orange)}
.menu .caret{width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg) translateY(-2px);opacity:.55}
.sub{position:absolute;left:0;top:100%;min-width:270px;background:#fff;border:1px solid var(--line);
  border-top:3px solid var(--orange);box-shadow:0 18px 40px rgba(16,45,69,.16);
  list-style:none;margin:0;padding:6px 0;font-weight:600;font-size:13.5px;
  opacity:0;visibility:hidden;transform:translateY(6px);transition:.16s}
.menu>li:hover>.sub,.menu>li:focus-within>.sub{opacity:1;visibility:visible;transform:none}
.sub a{display:block;padding:10px 18px;line-height:1.5;color:#33424e}
.sub a:hover{background:var(--light);color:var(--blue)}
.nav-cta{background:var(--navy);color:#fff;padding:13px 18px;font-size:13px;font-weight:800;flex:0 0 auto}
.nav-cta:hover{background:var(--blue)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:10px;cursor:pointer}
.burger span{display:block;width:24px;height:2px;background:var(--navy)}

#drawer{display:none;border-top:1px solid var(--line);background:#fff;max-height:75vh;overflow:auto}
#drawer.open{display:block}
#drawer ul{list-style:none;margin:0;padding:0}
#drawer>ul>li{border-bottom:1px solid var(--line)}
#drawer a{display:block;padding:14px 24px;font-size:14px;font-weight:700}
#drawer .sub-m a{padding:11px 24px 11px 42px;font-weight:500;font-size:13.5px;color:#4a5a67}
#drawer .grp{padding:14px 24px;font-size:14px;font-weight:800;color:var(--navy)}

/* ---------- hero ---------- */
.home-hero,.inner-hero{background:var(--hero)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;min-height:500px}
.inner-copy{display:flex;flex-direction:column;justify-content:center;padding:62px 70px 62px 0}
.inner-copy h1,.plain-hero h1{font-size:clamp(32px,3.6vw,52px);line-height:1.18;letter-spacing:-.035em;
  color:var(--navy);margin:14px 0 20px}
.inner-copy h1 em{color:var(--blue);font-style:normal}
.lead{font-size:17px;line-height:1.85;color:#4d606d;margin-bottom:0}
.visual{position:relative;overflow:hidden;min-height:340px}
.visual img{width:100%;height:100%;object-fit:cover;display:block}
.visual:after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,var(--hero),transparent 22%),linear-gradient(0deg,rgba(7,29,45,.5),transparent 48%)}
.visual span{position:absolute;z-index:2;right:26px;bottom:24px;color:#fff;font-size:11px;letter-spacing:.14em}
.plain-hero{background:var(--hero);padding:74px 0 66px}
.plain-hero .lead{max-width:760px}

.kicker{font-size:11px;font-weight:800;letter-spacing:.19em;color:var(--orange);margin:0}
.blue{color:var(--blue)}.warm{color:#ffab59}.pale{color:#d7e7f2}
.crumb{font-size:12px;color:#7d8c96;margin-bottom:22px}
.crumb a:hover{color:var(--blue);text-decoration:underline}

.actions{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 22px;font-size:14px;font-weight:800;border:1px solid transparent}
.primary{background:var(--blue);color:#fff}.primary:hover{background:var(--blue-d)}
.ghost{background:#fff;border-color:#aab9c3}.ghost:hover{border-color:var(--navy)}
.orange{background:var(--orange);color:#fff}.orange:hover{background:#dd7a17}
.white{background:#fff;color:var(--navy)}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section.tight{padding:60px 0}
.light{background:var(--light)}
.title-row{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:end;margin-bottom:44px}
.title-row h2,.sec-h{font-size:clamp(27px,2.7vw,40px);line-height:1.32;color:var(--navy);
  letter-spacing:-.03em;margin:10px 0}
.title-row>p{color:var(--muted);line-height:1.9;margin:0}
.center{text-align:center;max-width:760px;margin:0 auto 44px}
.center p{color:var(--muted)}

.stats{background:var(--navy2);color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stats-grid div{min-height:112px;padding:24px 28px;border-right:1px solid #2b4558;display:grid;align-content:center}
.stats-grid div:last-child{border-right:0}
.stats-grid small{color:#6d8598;font-size:10px;letter-spacing:.14em}
.stats-grid strong{font-size:20px;margin-top:4px}
.stats-grid span{font-size:11.5px;color:#9ab0bd;margin-top:5px}

.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}
.feature-grid article{padding:30px 26px;border-right:1px solid var(--line)}
.feature-grid article:last-child{border-right:0}
.feature-grid article>span{font-size:10px;color:var(--orange);font-weight:800;letter-spacing:.1em}
.feature-grid h3{font-size:16.5px;color:var(--navy);margin:16px 0 11px;line-height:1.5}
.feature-grid p{font-size:13.5px;line-height:1.8;color:var(--muted);margin:0}

.process{background:var(--navy);color:#fff;padding:88px 0}
.process-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:90px}
.process h2{color:#fff;font-size:clamp(27px,2.7vw,40px);line-height:1.32;letter-spacing:-.03em;margin:10px 0}
.process-grid>div>p{color:#b9cad4;line-height:1.85}
.steps{border-top:1px solid #486277}
.steps article{display:grid;grid-template-columns:52px 1fr;gap:18px;padding:21px 0;border-bottom:1px solid #486277}
.steps article>span{font-size:11px;color:var(--orange);font-weight:800}
.steps h3{margin:0 0 6px;font-size:16px}
.steps p{font-size:13.5px;margin:0;color:#b9cad4;line-height:1.8}

.intro-dark{background:var(--navy);color:#fff;padding:48px 0}
.intro-dark .container{display:grid;grid-template-columns:1.3fr 1fr 150px;gap:40px;align-items:center}
.intro-dark h2{font-size:25px;line-height:1.45;margin:8px 0 0}
.intro-dark p{color:#cad6dd;line-height:1.85;margin:0}
.intro-dark strong{font-size:44px;line-height:1}
.intro-dark sup{color:var(--orange)}
.intro-dark small{display:block;font-size:10px;color:#b7c7d1;letter-spacing:.06em}

.model-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.model{background:#fff;border-top:4px solid #aab9c3;display:flex;flex-direction:column}
.model.hi{background:var(--navy);color:#fff;border-color:var(--orange)}
.model img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.model>div{padding:26px;flex:1;display:flex;flex-direction:column}
.model small{font-size:10px;letter-spacing:.16em;color:var(--muted)}
.model.hi small{color:#8fb3cc}
.model h3{font-size:36px;margin:4px 0 8px;color:var(--navy);letter-spacing:-.02em}
.model.hi h3{color:#fff}
.model p{color:var(--muted);font-size:14px;line-height:1.75;flex:1}
.model.hi p{color:#b9cbd6}
.model a{color:var(--blue);font-size:13px;font-weight:800}
.model.hi a{color:#ffab59}

.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.service-grid>a{padding:44px;background:var(--light);display:block}
.service-grid>a:first-child{background:var(--navy2);color:#fff}
.service-grid h2{font-size:26px;color:var(--navy);margin:8px 0 12px;line-height:1.4}
.service-grid>a:first-child h2{color:#fff}
.service-grid p{color:var(--muted);line-height:1.85;font-size:14.5px}
.service-grid>a:first-child p{color:#b9cbd6}
.service-grid b{color:var(--blue);font-size:13.5px}
.service-grid>a:first-child b{color:#ffab59}

.cta{background:var(--blue);color:#fff;padding:60px 0}
.cta-in{display:flex;justify-content:space-between;align-items:center;gap:36px;flex-wrap:wrap}
.cta h2{font-size:clamp(24px,2.4vw,33px);margin:8px 0 0;line-height:1.4}

/* ---------- prose (article body) ---------- */
.prose{max-width:var(--read);font-size:16.5px;line-height:1.95;color:#2a3742}
.prose.wide{max-width:none}
.prose h2{font-size:25px;color:var(--navy);line-height:1.45;margin:46px 0 16px;letter-spacing:-.02em;
  padding-left:15px;border-left:4px solid var(--orange)}
.prose h3{font-size:19px;color:var(--navy);line-height:1.55;margin:34px 0 12px}
.prose h4{font-size:16px;color:var(--navy);margin:26px 0 10px}
.prose>*:first-child{margin-top:0}
.prose p{margin:0 0 20px}
.prose ul,.prose ol{margin:0 0 20px;padding-left:22px}
.prose li{margin-bottom:8px}
.prose a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.prose img{display:block;margin:26px 0}
.prose strong{color:var(--navy)}
.prose blockquote{margin:26px 0;padding:18px 24px;background:var(--light);border-left:4px solid var(--blue);color:#41505c}

.tbl-wrap{overflow-x:auto;margin:0 0 26px;-webkit-overflow-scrolling:touch}
.prose table,.tbl{width:100%;border-collapse:collapse;font-size:14.5px;background:#fff;min-width:520px}
.prose table th,.tbl th{background:var(--navy);color:#fff;text-align:left;padding:13px 16px;font-weight:700;
  font-size:13.5px;letter-spacing:.02em;border:1px solid var(--navy)}
.prose table td,.tbl td{padding:12px 16px;border:1px solid var(--line);vertical-align:top;line-height:1.75}
.prose table tr:nth-child(even) td,.tbl tr:nth-child(even) td{background:#fafcfd}
.tbl td.y{color:#1a7a4a;font-weight:700}
.tbl td.n{color:#b3401f;font-weight:700}
.tbl .code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:700;color:var(--blue);white-space:nowrap}


/* ---------- 改寫文章的新元件 ---------- */
.prose .tldr{background:var(--light);border-left:4px solid var(--blue);padding:20px 24px;
  margin:0 0 30px;font-size:15.5px;line-height:1.9;color:#33424e}
.prose .tldr strong{color:var(--navy)}
.notice-box{border:1px solid var(--line);border-left:4px solid var(--orange);background:#fff8f0;
  padding:22px 26px;margin:0 0 28px}
.notice-box h3{margin:0 0 10px;font-size:17px;color:var(--navy);border:0;padding:0}
.notice-box p{margin:0;font-size:15px;line-height:1.9}
.chartfig{margin:32px 0}
.chartfig svg{width:100%;height:auto;display:block;background:#fff;border:1px solid var(--line)}
.chartfig figcaption{font-size:13px;color:var(--muted);margin-top:10px;line-height:1.7}
.post-cta{background:var(--navy);color:#fff;padding:34px 32px;margin:44px 0 0}
.post-cta h3{color:#fff;margin:0 0 12px;font-size:21px;border:0;padding:0;line-height:1.5}
.post-cta p{color:#b9cad4;margin:0 0 14px;font-size:15px;line-height:1.9}
.post-cta p:last-child{margin:0;display:flex;gap:12px;flex-wrap:wrap}
.post-cta .btn{text-decoration:none}
/* .prose a{color:var(--blue)} 特異度 (0,1,1) 會蓋過 .btn.primary 的 (0,1,0)，
   造成按鈕藍字配藍底。按鈕文字色必須在 .prose 底下明確覆寫。 */
.prose .btn{text-decoration:none}
.prose .btn.primary,.prose .btn.orange{color:#fff}
.prose .btn.white{color:var(--navy)}
.prose .btn.ghost{color:var(--ink)}
.post-cta .btn.ghost{color:#fff;border-color:#4a6478}
.post-cta .btn.ghost:hover{border-color:#fff}
.post-cta .ghost{background:transparent;color:#fff;border-color:#4a6478}
.post-cta .ghost:hover{border-color:#fff}
.prose a[rel*="nofollow"]{text-decoration-style:dotted}
@media(max-width:640px){
  .post-cta{padding:26px 22px}
  .post-cta p:last-child{flex-direction:column}
  .post-cta .btn{width:100%}
}

/* ---------- 材料總覽表的文章按鈕 ---------- */
.mat-btn{display:inline-block;padding:8px 14px;font-size:12.5px;font-weight:800;
  background:var(--blue);color:#fff;white-space:nowrap}
.mat-btn:hover{background:var(--blue-d)}
.mat-btn.off{background:transparent;color:#98a6b1;border:1px dashed var(--line);font-weight:600}


/* ---------- 案例摘要框 ---------- */
.case-box{background:var(--navy);color:#fff;padding:28px 32px;margin:0 0 32px;
  border-left:5px solid var(--orange)}
.case-k{font-size:11px;font-weight:800;letter-spacing:.19em;color:var(--orange);margin:0 0 16px}
.case-box dl{margin:0;display:grid;gap:0}
.case-box dl>div{display:grid;grid-template-columns:96px 1fr;gap:18px;
  padding:11px 0;border-top:1px solid #2b4558}
.case-box dl>div:first-child{border-top:0;padding-top:0}
.case-box dt{font-size:12.5px;color:#8fb3cc;font-weight:700;letter-spacing:.04em}
.case-box dd{margin:0;font-size:14.5px;line-height:1.75;color:#e3ecf2}
.case-box dd strong{color:#ffab59}
@media(max-width:640px){
  .case-box{padding:22px 20px}
  .case-box dl>div{grid-template-columns:minmax(0,1fr);gap:4px}
  .case-box dt{font-size:11.5px}
}

/* ---------- article layout ---------- */
.article-head{background:var(--hero);padding:56px 0 46px}
.article-head h1{font-size:clamp(26px,2.9vw,40px);line-height:1.35;color:var(--navy);
  letter-spacing:-.03em;margin:12px 0 16px;max-width:900px}
.meta{display:flex;gap:18px;align-items:center;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.tag{background:var(--navy);color:#fff;padding:5px 11px;font-size:11px;font-weight:700;letter-spacing:.04em}
.tag:hover{background:var(--blue)}
.article-body{padding:56px 0 76px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:64px;align-items:start}
.prose,.prose *{min-width:0}
.figure-lead{margin:0 0 34px}
.figure-lead img{width:100%;display:block}

aside.side{position:sticky;top:100px;font-size:14px}
aside.side h3{font-size:12px;letter-spacing:.16em;color:var(--orange);font-weight:800;margin:0 0 14px}
aside.side ul{list-style:none;margin:0 0 30px;padding:0}
aside.side li{border-bottom:1px solid var(--line)}
aside.side li a{display:block;padding:12px 0;font-size:13.5px;line-height:1.6;color:#3b4a56}
aside.side li a:hover{color:var(--blue)}
.side-cta{background:var(--navy);color:#fff;padding:26px}
.side-cta h4{color:#fff;font-size:17px;margin:0 0 10px;line-height:1.5}
.side-cta p{color:#b9cad4;font-size:13.5px;line-height:1.8;margin:0 0 16px}
.side-cta .btn{width:100%}

/* ---------- cards / listing ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;transition:.18s}
.card:hover{border-color:#b9ccd8;box-shadow:0 14px 32px rgba(16,45,69,.09);transform:translateY(-2px)}
.card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--light)}
.card .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.card .thumb.vid{position:relative}
.card .thumb.vid:after{content:"";position:absolute;left:50%;top:50%;width:46px;height:46px;
  transform:translate(-50%,-50%);border-radius:50%;background:rgba(23,105,170,.92);
  box-shadow:0 0 0 6px rgba(255,255,255,.25)}
.card .thumb.vid:before{content:"";position:absolute;left:calc(50% + 3px);top:50%;z-index:2;
  transform:translate(-50%,-50%);border-left:13px solid #fff;border-top:8px solid transparent;border-bottom:8px solid transparent}
.card .body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column;gap:9px}
.card .cats{display:flex;gap:7px;flex-wrap:wrap}
.card .cats span{font-size:10.5px;font-weight:700;letter-spacing:.06em;color:var(--blue);
  border:1px solid #cfe0ec;padding:3px 8px}
.card h3{font-size:16px;line-height:1.6;color:var(--navy);margin:2px 0 0;flex:1}
.card time{font-size:12px;color:#85929c}
.card time.upd{color:var(--cta-ink,#a85c07);font-weight:700}

/* ---------- 加工專區：分類導覽帶 ----------
   分類卡原本沿用 .card，跟下方的文章卡長得一模一樣（白底、細框、藍色標籤），
   兩區讀起來像同一串清單。這裡把分類改成深藍底，跟白底文章卡拉開對比。 */
.cat-band{background:var(--light);border-bottom:1px solid var(--line)}
.band-h{font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--muted);
  text-transform:uppercase;margin:0 0 20px}
.band-h.dark{color:var(--navy)}
.cat-card{background:var(--navy);color:#fff;padding:26px 24px 22px;
  border-left:4px solid var(--orange);display:flex;flex-direction:column;gap:10px;
  transition:.18s}
.cat-card:hover{background:#163a58;transform:translateY(-2px);
  box-shadow:0 14px 32px rgba(16,45,69,.22)}
.cat-k{font-size:10.5px;font-weight:800;letter-spacing:.14em;color:var(--orange)}
.cat-card h3{font-size:19px;color:#fff;margin:0;line-height:1.5}
.cat-card p{font-size:13.5px;line-height:1.85;color:#b9cad4;margin:0;flex:1}
.cat-go{font-size:13px;font-weight:800;color:#fff;margin-top:2px}
.cat-card:hover .cat-go{color:var(--orange)}
.meta time.upd{color:var(--orange-ink);font-weight:700}

.pager{display:flex;gap:8px;justify-content:center;margin-top:52px;flex-wrap:wrap}
.pager a,.pager span{padding:11px 16px;font-size:14px;font-weight:700;border:1px solid var(--line);min-width:44px;text-align:center}
.pager a:hover{border-color:var(--blue);color:var(--blue)}
.pager .cur{background:var(--navy);color:#fff;border-color:var(--navy)}

.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:56px;border-top:1px solid var(--line);padding-top:34px}
.post-nav a{display:block}
.post-nav small{font-size:11px;letter-spacing:.14em;color:var(--orange);font-weight:800}
.post-nav b{display:block;margin-top:8px;font-size:15px;line-height:1.6;color:var(--navy);font-weight:700}
.post-nav a:hover b{color:var(--blue)}
.post-nav .next{text-align:right}

/* ---------- video facade ---------- */
.vid{position:relative;aspect-ratio:16/9;background:#0a2235;cursor:pointer;border:0;padding:0;
  width:100%;display:block;overflow:hidden}
.vid img{width:100%;height:100%;object-fit:cover;opacity:.86;display:block}
.vid iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.vid .play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:76px;height:76px;border-radius:50%;background:rgba(23,105,170,.94);
  display:grid;place-items:center;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.vid .play:after{content:"";border-left:22px solid #fff;border-top:13px solid transparent;
  border-bottom:13px solid transparent;margin-left:6px}
.vid:hover .play{background:var(--orange)}
.vid .cap{position:absolute;left:0;right:0;bottom:0;padding:14px 18px;color:#fff;font-size:12.5px;
  text-align:left;background:linear-gradient(0deg,rgba(6,26,41,.85),transparent)}
figure.video{margin:0 0 30px}
figure.video figcaption{font-size:13px;color:var(--muted);margin-top:10px;line-height:1.7}

/* ---------- spec / model pages ---------- */
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.spec-grid img{width:100%;display:block}
.spec dl{margin:0;border-top:1px solid var(--line)}
.spec dt{font-size:11px;letter-spacing:.14em;color:var(--orange);font-weight:800;padding:18px 0 0}
.spec dd{margin:6px 0 0;padding:0 0 18px;border-bottom:1px solid var(--line);line-height:1.85;
  font-size:14.5px;color:#3b4a56}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.chips li{background:var(--light);border:1px solid var(--line);padding:8px 13px;font-size:13px;font-weight:600}

.tags{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0;padding:0;list-style:none}
.tags li{background:#fff;border:1px solid var(--line);padding:15px 17px;font-size:13.5px;font-weight:700}
.tags li:before{content:"✓ ";color:var(--blue)}
.app-panel{display:grid;grid-template-columns:1fr 1fr;gap:56px;background:var(--light);padding:46px}
.app-panel h2{font-size:clamp(24px,2.4vw,34px);color:var(--navy);margin:10px 0 14px;line-height:1.4}
.app-panel p{color:var(--muted);line-height:1.85;margin:0}

.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery img{width:100%;aspect-ratio:3/2;object-fit:cover;display:block}
.strip img{width:100%;display:block}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px}
.contact-grid ol{padding:0;list-style:none;margin:24px 0 0}
.contact-grid ol li{display:grid;grid-template-columns:86px 1fr;gap:18px;padding:17px 0;border-bottom:1px solid var(--line)}
.contact-grid ol b{color:var(--navy);font-size:14px}
.contact-grid ol span{color:var(--muted);font-size:13.5px;line-height:1.7}
.contact-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-cards>*{background:var(--light);padding:26px;display:grid;gap:7px;align-content:start;min-height:122px}
.contact-cards small{color:var(--muted);font-size:10px;letter-spacing:.14em;font-weight:700}
.contact-cards strong{color:var(--navy);font-size:15px;line-height:1.6}
.contact-cards a:hover strong{color:var(--blue)}
.contact-cards .full{grid-column:1/-1}
.map{width:100%;height:340px;border:0;display:block;margin-top:34px;background:var(--light)}


/* ---------- 全站選型系統入口帶 ---------- */
.selband{background:var(--navy);color:#fff;padding:62px 0;border-top:4px solid var(--orange)}
.selband-in{display:grid;grid-template-columns:.95fr 1.05fr;gap:70px;align-items:center}
.selband-copy h2{font-size:clamp(26px,2.6vw,38px);line-height:1.32;color:#fff;
  letter-spacing:-.03em;margin:12px 0 16px}
.selband-copy p{color:#b9cad4;line-height:1.9;margin:0 0 22px;font-size:15.5px}
.selband-steps{list-style:none;margin:0;padding:0;display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));gap:2px;background:#2b4558}
.selband-steps li{background:var(--navy2);padding:22px 22px 20px;display:grid;gap:5px}
.selband-steps span{font-size:11px;font-weight:800;color:var(--orange);letter-spacing:.12em}
.selband-steps b{font-size:15px;color:#fff}
.selband-steps i{font-style:normal;font-size:12.5px;color:#93aebf;line-height:1.7}

/* ---------- 選型系統推薦結果 → 機型頁 ---------- */
.ca-cta{margin-top:26px;background:var(--navy);color:#fff;padding:32px 34px;
  border-left:5px solid var(--orange)}
.ca-cta-k{font-size:11px;font-weight:800;letter-spacing:.19em;color:var(--orange);margin:0 0 8px}
.ca-cta h3{font-size:24px;color:#fff;margin:0 0 12px;line-height:1.45}
.ca-cta > span{display:block;font-size:14px;color:#ffab59;font-weight:700;margin:-4px 0 14px}
.ca-cta-d{color:#b9cad4;line-height:1.9;margin:0 0 20px;font-size:14.5px;max-width:720px}
.ca-cta-btns{display:flex;gap:12px;flex-wrap:wrap}

/* 建議機型被搬進 .selector-app 之後（見 content_selector.py 的 hoist），
   會落入工具自帶的 .selector-app *{margin:0;padding:0} 射程內。兩者特異度
   相同、工具 CSS 又在頁尾比較後面，所以會贏——這裡把同名宣告再寫一次，
   用 .selector-app 前綴取回特異度。改動只是把上方外距換成下方。 */
.selector-app .ca-cta-inline{margin:0 0 26px;padding:32px 34px}
.selector-app .ca-cta-inline .ca-cta-k{margin:0 0 8px}
.selector-app .ca-cta-inline .ca-cta-d{margin:0 0 20px}
.selector-app .ca-cta-inline .ca-btn{padding:14px 22px}
.ca-btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 22px;
  font-size:14px;font-weight:800;border:1px solid transparent;text-decoration:none}
.ca-btn.primary{background:#fff;color:var(--navy)}
.ca-btn.primary:hover{background:#dbe7ef}
/* 背景要明確宣告：通用的 .ghost{background:#fff} 特異度雖低，
   但只要這裡沒宣告 background 就會被它套進來，造成白底白字。 */
.ca-btn.ghost{background:#fff;color:#000;border-color:#c3ced6}
.ca-btn.ghost:hover{background:#e8eef3;border-color:#fff}
.ca-btn.orange{background:var(--orange);color:#fff}
.ca-btn.orange:hover{background:#dd7a17}

/* 工具本體：收在 .selector-app 作用域內，字體交給全站 */
.selector-app{display:block;border:1px solid var(--line);overflow:hidden}
/* .hero 內含 STEP 表單，不可隱藏、也不可改底色——STEP 卡片是淺字配深底。
   移除自帶大標後只需把上方留白收一點。 */
.selector-app .hero{padding-top:1.75rem}

@media(max-width:980px){
  .selband-in{grid-template-columns:minmax(0,1fr);gap:36px}
}
@media(max-width:640px){
  .selband{padding:48px 0}
  .selband-steps{grid-template-columns:minmax(0,1fr)}
  .ca-cta,.selector-app .ca-cta-inline{padding:24px 22px}
  .ca-cta h3{font-size:20px}
  .ca-cta-btns{flex-direction:column}
  .ca-btn{width:100%}
}


/* ---------- 首頁材料入口 ---------- */
.mat-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;background:var(--line);border:1px solid var(--line)}
.mat-group{background:#fff;padding:28px 30px 30px}
.mat-group h3{font-size:16px;color:var(--navy);margin:0 0 16px;
  padding-bottom:12px;border-bottom:2px solid var(--orange);display:inline-block}
.mat-tags{display:flex;flex-wrap:wrap;gap:9px}
.mat-tags a,.mat-tags span{display:inline-block;padding:9px 14px;font-size:13.5px;
  font-weight:600;border:1px solid var(--line);background:var(--light);
  color:#33424e;transition:.16s;line-height:1.4}
.mat-tags a:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.mat-tags span{opacity:.5}

/* 單張卡片時撐滿整列，避免半寬看起來像壞掉 */
.service-grid.solo{grid-template-columns:minmax(0,1fr)}

@media(max-width:980px){
  .mat-groups{grid-template-columns:minmax(0,1fr)}
}
@media(max-width:640px){
  .mat-group{padding:22px 20px 24px}
  .mat-tags a,.mat-tags span{font-size:13px;padding:8px 12px}
}

/* ---------- footer ---------- */
footer{background:#071d2d;color:#b5c4ce;padding-top:58px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1.2fr 1fr .9fr;gap:46px;padding-bottom:42px}
.footer-brand{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.footer-brand img{width:150px;background:#fff;padding:6px 8px}
footer h4{color:#fff;font-size:12px;letter-spacing:.14em;margin:0 0 14px;font-weight:800}
footer small{color:#7890a0;font-size:10px;letter-spacing:.1em;display:block;margin-top:14px}
footer small:first-of-type{margin-top:0}
footer p{font-size:12.5px;color:#dbe4ea;line-height:1.75;margin:5px 0 0}
footer a{color:#dbe4ea}
footer a:hover{color:#fff}
footer ul{list-style:none;margin:0;padding:0}
footer ul li a{display:block;padding:5px 0;font-size:12.5px;line-height:1.6}
.line{font-size:16px;font-weight:800;color:#fff}
.line-btn{display:inline-block;background:#14b96c;color:#fff;padding:11px 14px;font-size:12.5px;font-weight:700;margin-top:8px}
.line-btn:hover{background:#0fa25c;color:#fff}
.copy{border-top:1px solid #294052;padding:22px 0;font-size:11px;color:#718999;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}


/* ---------- 右側浮動聯絡鈕（品牌色） ---------- */
.floatbar{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:80;
  display:flex;flex-direction:column;gap:2px}
.fb{display:flex;align-items:center;gap:0;color:#fff;text-decoration:none;
  height:52px;padding:0 15px;overflow:hidden;transition:.22s ease;
  box-shadow:-2px 2px 10px rgba(7,29,45,.22)}
.fb svg{width:24px;height:24px;flex:0 0 24px;display:block}
.fb span{max-width:0;opacity:0;white-space:nowrap;font-size:13.5px;font-weight:700;
  transition:.22s ease;overflow:hidden}
.fb:hover span,.fb:focus-visible span{max-width:110px;opacity:1;margin-left:10px}
.fb:focus-visible{outline:3px solid #fff;outline-offset:-3px}
.fb.line{background:#06C755}
.fb.line:hover,.fb.line:focus-visible{background:#05a948}
.fb.mail{background:var(--navy)}
.fb.mail:hover,.fb.mail:focus-visible{background:var(--blue)}
.fb.yt{background:#FF0000}
.fb.yt:hover,.fb.yt:focus-visible{background:#cc0000}

@media(max-width:640px){
  /* 手機改成底部橫排，不遮蓋內文 */
  .floatbar{top:auto;bottom:0;left:0;right:0;transform:none;flex-direction:row;gap:0}
  .fb{flex:1;justify-content:center;height:54px;padding:0;
      box-shadow:0 -2px 10px rgba(7,29,45,.22)}
  .fb span{max-width:none;opacity:1;margin-left:8px;font-size:13px}
  body{padding-bottom:54px}
}
@media(prefers-reduced-motion:reduce){.fb,.fb span{transition:none}}

/* ---------- grid 工具類別（取代 inline style，才吃得到 media query） ---------- */
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g5{grid-template-columns:repeat(5,minmax(0,1fr))}

/* ---------- responsive ---------- */
/* 完整選單自然寬約 1029px（選單精簡後重新量測）；低於此改用抽屜式選單 */
@media(max-width:1360px){
  .menu>li>a{padding:14px 8px;font-size:13.5px}
  .brand>img{width:112px}
  .brand .zlogo{width:78px}
  .nav-cta{padding:13px 14px;font-size:12.5px}
}
@media(max-width:1060px){
  .menu,.nav-cta{display:none}
  .burger{display:flex}
}
@media(max-width:980px){
  .hero-grid,.title-row,.process-grid,.app-panel,.contact-grid,.spec-grid,.article-grid{grid-template-columns:minmax(0,1fr)}
  .g5,.g3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-grid{gap:52px}
  aside.side{position:static}
  .inner-copy{padding:56px 0 46px}
  .visual{min-height:320px}
  .feature-grid{grid-template-columns:1fr 1fr}
  .feature-grid article:nth-child(2){border-right:0}
  .intro-dark .container{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .title-row{gap:24px;align-items:start}
  .process-grid{gap:44px}
}
@media(max-width:640px){
  body{font-size:15.5px}
  .container{width:calc(100% - 32px)}
  .topbar-in>span{display:none}
  .topbar-in{justify-content:center}
  .topbar-in div{gap:16px}
  .brand>img{width:96px}
  .brand .zlogo{width:66px;padding-left:11px}
  .section{padding:60px 0}
  .process,.plain-hero{padding:60px 0}
  .stats-grid,.feature-grid,.model-grid,.service-grid,.tags,.contact-cards,.cards,.gallery,.no-list,.post-nav,
  .g2,.g3,.g5{grid-template-columns:minmax(0,1fr)}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats-grid div{border-right:0;border-bottom:1px solid #2b4558}
  .feature-grid article{border-right:0;border-bottom:1px solid var(--line)}
  .feature-grid article:last-child{border-bottom:0}
  .intro-dark .container{grid-template-columns:1fr;gap:22px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .service-grid>a{padding:32px}
  .app-panel{padding:28px}
  .contact-cards .full{grid-column:auto}
  .post-nav .next{text-align:left}
  .actions .btn{width:100%}
  .prose h2{font-size:21px}
  .prose{font-size:16px}
  .article-head{padding:40px 0 34px}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto!important}
}