/* 加菲指標工程 — 前台樣式（深藍科技風，延續舊站色系） */
:root{
  --navy-900:#04101E; --navy-800:#081A33; --navy-700:#0E2A4F; --navy-600:#15458F; --navy-500:#1D5BB8;
  --blue-400:#3F8CFF; --cyan:#4FD1FF; --gold:#F1D13C; --orange:#F5A21B;
  --text:#EAF1FB; --muted:#9FB3CF; --line:rgba(255,255,255,.10); --panel:rgba(255,255,255,.04);
  --card:#0B1F3A; --radius:14px;
  --font:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  --font-en:"Montserrat",var(--font);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--text);background:var(--navy-900);
  background-image:radial-gradient(1200px 600px at 80% -10%,rgba(29,91,184,.35),transparent 60%),radial-gradient(800px 500px at -10% 30%,rgba(29,91,184,.18),transparent 60%);}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none}
a:hover{color:var(--gold)}
h1,h2,h3,h4{line-height:1.3;margin:0 0 .5em;font-weight:700}
p{margin:0 0 1em}
.container{width:min(1180px,100% - 2rem);margin-inline:auto}
.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:#000;padding:.5rem 1rem;z-index:100}
.skip:focus{left:0}
.en{font-family:var(--font-en);font-weight:500;letter-spacing:.08em;text-transform:uppercase;font-size:.7em;color:var(--muted)}
.muted{color:var(--muted)}
.mt{margin-top:2rem}
.center{text-align:center}
.big{font-size:5rem;font-family:var(--font-en);font-weight:700;color:var(--navy-500);margin:0}
.lead{font-size:1.1rem;color:#cfe0f7}

/* ---------- Header ---------- */
.site-header{position:relative;z-index:20;background:linear-gradient(180deg,#02070F 0%,#061630 60%,var(--navy-900) 100%);border-bottom:1px solid var(--line)}
.topbar{background:rgba(0,0,0,.35);border-bottom:1px solid var(--line);font-size:.8rem}
.topbar-in{display:flex;justify-content:space-between;align-items:center;min-height:32px}
.topbar-slogan{font-family:"Georgia","Noto Serif TC",serif;font-style:italic;color:var(--blue-400);letter-spacing:.04em}
.topbar-links a{font-family:var(--font-en);letter-spacing:.1em;color:var(--gold);margin-left:1.1rem;font-size:.72rem}
.topbar-links a.lang{color:#fff;border:1px solid rgba(255,255,255,.25);padding:.1rem .55rem;border-radius:999px;font-family:var(--font);letter-spacing:0;font-size:.75rem}
.topbar-links a:hover{color:#fff}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:96px;padding:.5rem 0}
.brand img{height:78px;width:auto}
.mainnav ul{list-style:none;margin:0;padding:0;display:flex;gap:.25rem}
.mainnav a{display:flex;flex-direction:column;align-items:center;padding:.45rem .8rem;border-radius:10px;color:#fff;line-height:1.15;border:1px solid transparent}
.mainnav a .zh{font-size:.98rem;font-weight:500}
.mainnav a .en{font-size:.58rem;margin-top:.15rem}
.mainnav li.active a,.mainnav a:hover{background:rgba(29,91,184,.28);border-color:rgba(79,209,255,.25);color:#fff}
.mainnav li.active a .zh{color:var(--gold)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:46px;height:42px;padding:0;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:#fff;margin:5px auto;transition:.2s}
.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（首頁） ---------- */
.hero{position:relative;overflow:hidden;padding:5.5rem 0 5rem;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-1;background:
  radial-gradient(900px 400px at 70% 20%,rgba(79,209,255,.22),transparent 60%),
  radial-gradient(700px 400px at 20% 90%,rgba(29,91,184,.35),transparent 60%),
  linear-gradient(180deg,var(--navy-900),#06172C);}
.hero-bg::after{content:"";position:absolute;inset:0;background:url("../img/swoosh.png") no-repeat right -40px top -10px;background-size:900px auto;opacity:.55;mix-blend-mode:screen}
.hero-in{max-width:760px}
.hero-kicker{font-family:var(--font-en);letter-spacing:.2em;text-transform:uppercase;color:var(--gold);font-size:.78rem;margin-bottom:1rem}
.hero-title{font-size:clamp(1.9rem,4.5vw,3.2rem);letter-spacing:.02em;margin-bottom:1rem;text-shadow:0 2px 24px rgba(0,0,0,.4)}
.hero-text{font-size:1.08rem;color:#cfe0f7;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.75rem}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.7rem 1.4rem;border-radius:999px;font-weight:500;border:1px solid transparent;cursor:pointer;font:inherit;line-height:1.2;transition:.2s}
.btn-primary{background:linear-gradient(135deg,var(--navy-500),var(--blue-400));color:#fff;box-shadow:0 6px 18px rgba(29,91,184,.35)}
.btn-primary:hover{filter:brightness(1.12);color:#fff}
.btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.25);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-outline{border-color:var(--navy-500);color:var(--cyan)}
.btn-outline:hover{background:rgba(29,91,184,.2)}
.btn-block{width:100%}

/* ---------- Sections ---------- */
.section{padding:3.5rem 0}
.section-alt{background:rgba(0,0,0,.22);border-block:1px solid var(--line)}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin-bottom:1.5rem;border-left:4px solid var(--orange);padding-left:.9rem}
.section-head h2{font-size:1.5rem;margin:0}
.section-head h2 .en{margin-left:.5rem}
.section-head .more{white-space:nowrap;font-size:.9rem}
.two-col{display:grid;grid-template-columns:1.15fr .85fr;gap:3rem}
.clamp{display:-webkit-box;-webkit-line-clamp:6;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:1.25rem}

/* ---------- Grid / Cards ---------- */
.grid{display:grid;gap:1.25rem}
.grid-products{grid-template-columns:repeat(4,1fr)}
.grid-cases{grid-template-columns:repeat(4,1fr)}
.grid-catcards{grid-template-columns:repeat(2,1fr);gap:1.5rem}
.card{background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;color:var(--text);transition:.25s;display:block}
a.card:hover{transform:translateY(-4px);border-color:rgba(79,209,255,.45);box-shadow:0 14px 34px rgba(0,0,0,.45);color:var(--text)}
.card-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:#0a1a30}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
a.card:hover .card-img img,.card-cat .card-img:hover img{transform:scale(1.06)}
.card-case .card-img{aspect-ratio:3/2}
.card h3{font-size:1.02rem;margin:.9rem 1rem .25rem;font-weight:500}
.card-product p{margin:0 1rem .5rem;font-size:.85rem;color:var(--muted)}
.card-product .count{display:block;margin:0 1rem .9rem;font-size:.75rem;color:var(--muted)}
.card-product h3:last-child{margin-bottom:.9rem}
.card-body{padding:.9rem 1rem 1rem}
.card-body h3{margin:.15rem 0 0}
.card-body small{color:var(--muted);font-size:.78rem}
.badge{position:absolute;left:.7rem;top:.7rem;background:rgba(4,16,30,.75);color:var(--gold);font-family:var(--font-en);font-weight:700;padding:.15rem .5rem;border-radius:6px;font-size:.8rem;backdrop-filter:blur(4px)}
.card-cat{display:grid;grid-template-columns:200px 1fr}
.card-cat .card-img{aspect-ratio:auto;min-height:100%}
.card-cat h2{font-size:1.15rem;margin-bottom:.5rem}
.card-cat h2 a{color:#fff}
.bullet-list{list-style:none;margin:0;padding:0;columns:2;column-gap:1rem;font-size:.9rem}
.bullet-list li{break-inside:avoid;padding:.12rem 0 .12rem .9rem;position:relative}
.bullet-list li::before{content:"‧";position:absolute;left:0;color:var(--orange)}
.bullet-list a{color:#dbe8fb}
.bullet-list a:hover{color:var(--gold)}
.more-li a{color:var(--cyan)}
.cat-pills{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}
.pill{display:inline-flex;align-items:center;gap:.4rem;padding:.35rem .9rem;border-radius:999px;border:1px solid var(--line);background:var(--panel);color:#dbe8fb;font-size:.9rem}
.pill small{background:rgba(255,255,255,.1);border-radius:999px;padding:0 .45rem;font-size:.72rem}
.pill:hover,.pill.active{border-color:var(--gold);color:var(--gold)}

/* ---------- Page hero（內頁） ---------- */
.page-hero{background:linear-gradient(90deg,#06172C,var(--navy-700) 55%,#0A2A57);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background:url("../img/swoosh.png") no-repeat right top;background-size:700px auto;opacity:.35;mix-blend-mode:screen;pointer-events:none}
.page-hero-in{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:1.1rem;padding:1.4rem 0;position:relative;z-index:1}
.page-hero-icon{width:52px;height:52px;border-radius:10px;background:linear-gradient(160deg,#FFD24A,#F5A21B 60%,#D97A0F);box-shadow:0 6px 16px rgba(245,162,27,.35);position:relative}
.page-hero-icon::before{content:"";position:absolute;inset:11px;border:3px solid rgba(255,255,255,.85);border-radius:50%;border-right-color:transparent;transform:rotate(-30deg)}
.page-title{font-size:1.5rem;margin:0}
.page-title .en{margin-left:.4rem}
.page-slogan{margin:0;font-family:"Georgia","Noto Serif TC",serif;font-style:italic;color:var(--blue-400);font-size:.9rem}
.crumbs{font-size:.82rem;color:var(--muted);display:flex;gap:.4rem;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.crumbs a{color:#cfe0f7}
.crumbs [aria-current]{color:var(--gold)}

/* ---------- 內頁版型 ---------- */
.with-side{display:grid;grid-template-columns:260px 1fr;gap:2.5rem;align-items:start}
.side-nav{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1rem;position:sticky;top:1rem}
.side-nav h2{font-size:1rem;padding:.25rem .5rem .6rem;border-bottom:1px solid var(--line);margin-bottom:.5rem}
.side-nav h2 a{color:#fff}
.side-nav ol{list-style:none;margin:0;padding:0}
.side-nav li a{display:flex;gap:.6rem;padding:.45rem .5rem;border-radius:8px;color:#dbe8fb;font-size:.92rem;line-height:1.35}
.side-nav li a .n{color:var(--navy-500);font-family:var(--font-en);font-weight:700;flex:none}
.side-nav li a:hover{background:rgba(255,255,255,.06);color:#fff}
.side-nav li.active a{background:rgba(29,91,184,.3);color:var(--gold)}
.side-nav li.active a .n{color:var(--gold)}
.content-title{font-size:1.5rem;padding-bottom:.6rem;border-bottom:1px solid var(--line);margin-bottom:1rem;position:relative}
.content-title::after{content:"";position:absolute;left:0;bottom:-1px;width:64px;height:3px;background:var(--orange)}
.prose{color:#dbe8fb}
.prose p{margin-bottom:1em;text-align:justify}
.prose img{border-radius:8px;margin:.5rem auto}
.prose a{text-decoration:underline}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:.9rem;margin-top:1.5rem}
.gallery-item{display:block;aspect-ratio:4/3;overflow:hidden;border-radius:10px;border:1px solid var(--line);background:#0a1a30}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.gallery-item:hover img{transform:scale(1.06)}
.about-grid{display:grid;grid-template-columns:1fr 340px;gap:2.5rem;align-items:start}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem}
.panel-title{display:flex;align-items:center;gap:.7rem;font-size:1.35rem;margin-bottom:1rem}
.panel-title .num{background:var(--navy-500);color:#fff;font-family:var(--font-en);font-weight:700;padding:.15rem .55rem;border-radius:8px;font-size:.95rem}
.info-card h3{font-size:1.15rem;margin-bottom:.1rem}
.info-card .en-name{font-family:var(--font-en);font-size:.7rem;letter-spacing:.12em;color:var(--muted);margin-bottom:1rem}
.info-card dl{display:grid;grid-template-columns:auto 1fr;gap:.35rem .8rem;margin:0 0 1.25rem;font-size:.92rem}
.info-card dt{color:var(--muted)}
.info-card dd{margin:0}
.info-card .map{margin-top:1rem;border-radius:10px;overflow:hidden}
.info-card .map iframe{width:100%;height:220px;border:0;display:block}
.list-links{list-style:none;margin:0;padding:0}
.list-links li{border-bottom:1px dashed var(--line);padding:.55rem 0;display:flex;gap:.8rem;align-items:baseline}
.list-links li::before{content:"›";color:var(--orange);font-weight:700}
.list-links a{color:#dbe8fb}
.list-links a:hover{color:var(--gold)}
.list-news time{color:var(--muted);font-family:var(--font-en);font-size:.8rem;flex:none}

/* FAQ */
.faq-list{max-width:900px}
.faq{border:1px solid var(--line);border-radius:12px;background:var(--panel);margin-bottom:.7rem;overflow:hidden}
.faq summary{cursor:pointer;padding:.9rem 1.1rem;font-weight:500;display:flex;gap:.8rem;align-items:center;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";margin-left:auto;color:var(--gold);font-size:1.3rem;font-weight:700;transition:.2s}
.faq[open] summary::after{transform:rotate(45deg)}
.faq summary .num{color:var(--navy-500);font-family:var(--font-en);font-weight:700}
.faq[open] summary{background:rgba(29,91,184,.18);color:var(--gold)}
.faq-body{padding:.9rem 1.1rem 1rem 3.1rem;border-top:1px solid var(--line)}

/* News */
.news-list{display:grid;gap:1rem;max-width:900px}
.news-row{display:grid;grid-template-columns:auto 1fr;gap:1.2rem;align-items:center;padding:1rem;border:1px solid var(--line);border-radius:12px;background:var(--panel);color:var(--text)}
.news-row:hover{border-color:rgba(79,209,255,.45);color:var(--text)}
.news-row img{width:160px;height:110px;object-fit:cover;border-radius:8px}
.news-row time,.article time{color:var(--gold);font-family:var(--font-en);font-size:.8rem}
.news-row h2{font-size:1.1rem;margin:.2rem 0}
.news-row p{margin:0;color:var(--muted);font-size:.9rem}
.article{max-width:900px}
.article-cover{border-radius:12px}
.pager{display:flex;gap:.4rem;margin-top:1.5rem}
.pager a{padding:.35rem .8rem;border:1px solid var(--line);border-radius:8px;color:#dbe8fb}
.pager a.active{background:var(--navy-500);color:#fff}

/* Forms */
.form-wrap{max-width:640px}
.form label{display:block;margin-bottom:1rem;font-weight:500}
.form input[type=text],.form input[type=tel],.form input[type=email],.form input[type=password],.form textarea,.form input[type=file]{display:block;width:100%;margin-top:.35rem;padding:.65rem .8rem;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;font:inherit}
.form input:focus,.form textarea:focus{outline:2px solid var(--blue-400);outline-offset:1px;background:rgba(255,255,255,.1)}
.form small{display:block;color:var(--muted);font-weight:400;font-size:.8rem;margin-top:.3rem}
.form .req{color:var(--gold)}
.form fieldset.inline{border:0;padding:0;margin:0 0 1rem;display:flex;gap:1.2rem;align-items:center}
.form fieldset.inline legend{float:left;font-weight:500;margin-right:.5rem}
.form fieldset.inline label{margin:0;font-weight:400}
.form-actions{display:flex;gap:.6rem}
.hp{position:absolute;left:-9999px;top:-9999px}
.alert{padding:.9rem 1.1rem;border-radius:10px;margin-bottom:1.2rem}
.alert ul{margin:0;padding-left:1.2rem}
.alert-ok{background:rgba(52,199,120,.15);border:1px solid rgba(52,199,120,.5)}
.alert-err{background:rgba(255,80,80,.12);border:1px solid rgba(255,80,80,.5)}
.contact-grid{display:grid;grid-template-columns:1fr 340px;gap:2.5rem;align-items:start}

/* CTA */
.cta{background:linear-gradient(90deg,var(--navy-600),var(--navy-500) 60%,#2E7BE0);padding:2.5rem 0}
.cta-in{display:flex;justify-content:space-between;align-items:center;gap:2rem;flex-wrap:wrap}
.cta h2{font-size:1.4rem;margin-bottom:.3rem}
.cta p{margin:0;color:#e5efff}
.cta-actions{display:flex;gap:.6rem;flex-wrap:wrap}
.cta .btn-primary{background:var(--gold);color:#1a1200;box-shadow:none}

/* Footer */
.site-footer{background:#02070F;border-top:1px solid var(--line);margin-top:2rem}
.footer-in{display:grid;grid-template-columns:1.2fr 1.4fr 1fr;gap:2rem;padding:2.5rem 0;align-items:start}
.footer-brand{display:flex;gap:.8rem;align-items:center}
.footer-brand strong{display:block;font-size:1.05rem}
.footer-brand span{font-family:var(--font-en);font-size:.68rem;letter-spacing:.12em;color:var(--muted)}
.footer-contact{list-style:none;margin:0;padding:0;font-size:.92rem;color:#cfe0f7}
.footer-contact li{margin-bottom:.35rem;display:flex;gap:.5rem}
.footer-contact .ico{color:var(--orange);flex:none}
.footer-contact a{color:#cfe0f7}
.footer-nav{display:flex;flex-wrap:wrap;gap:.3rem .9rem;font-size:.9rem}
.footer-nav a{color:#cfe0f7}
.copyright{border-top:1px solid var(--line);padding:1rem 0;font-size:.78rem;color:var(--muted);text-align:center;font-family:var(--font-en)}

/* Lightbox */
.lightbox[hidden],.to-top[hidden]{display:none}
.lightbox{position:fixed;inset:0;background:rgba(2,7,15,.94);z-index:200;display:flex;align-items:center;justify-content:center}
.lightbox figure{margin:0;max-width:min(1400px,94vw);max-height:92vh;display:flex;flex-direction:column;align-items:center}
.lightbox img{max-width:100%;max-height:84vh;width:auto;height:auto;object-fit:contain;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.7)}
.lightbox figcaption{color:#cfe0f7;margin-top:.6rem;font-size:.9rem;min-height:1.2em}
.lightbox button{position:absolute;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:2rem;line-height:1;width:52px;height:52px;border-radius:50%;cursor:pointer}
.lightbox button:hover{background:rgba(255,255,255,.2)}
.lb-close{top:1rem;right:1rem}
.lb-prev{left:1rem;top:50%;transform:translateY(-50%)}
.lb-next{right:1rem;top:50%;transform:translateY(-50%)}
.to-top{position:fixed;right:1rem;bottom:1rem;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--navy-500);color:#fff;cursor:pointer;font-size:1.1rem;z-index:50;box-shadow:0 6px 16px rgba(0,0,0,.4)}

/* ---------- RWD ---------- */
@media (max-width:1024px){
  .grid-products,.grid-cases{grid-template-columns:repeat(3,1fr)}
  .footer-in{grid-template-columns:1fr 1fr}
  .with-side{grid-template-columns:220px 1fr;gap:1.5rem}
  .about-grid,.contact-grid{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr;gap:2rem}
}
@media (max-width:820px){
  .nav-toggle{display:block}
  .mainnav{display:none;width:100%}
  .mainnav.open{display:block}
  .header-in{flex-wrap:wrap;min-height:0}
  .mainnav ul{flex-direction:column;gap:0;padding:.3rem 0 .8rem}
  .mainnav a{flex-direction:row;justify-content:space-between;padding:.7rem .9rem;border-bottom:1px solid var(--line);border-radius:0}
  .mainnav a .en{margin:0}
  .brand img{height:60px}
  .topbar-slogan{display:none}
  .topbar-in{justify-content:flex-end}
  .page-hero-in{grid-template-columns:auto 1fr}
  .crumbs{grid-column:1/-1;justify-content:flex-start}
  .with-side{grid-template-columns:1fr}
  .with-side .side{order:2}
  .side-nav{position:static}
  .grid-catcards{grid-template-columns:1fr}
  .card-cat{grid-template-columns:1fr}
  .card-cat .card-img{aspect-ratio:16/8}
  .hero{padding:3.5rem 0 3rem}
  .section{padding:2.5rem 0}
  .gallery{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:560px){
  .grid-products,.grid-cases{grid-template-columns:repeat(2,1fr);gap:.8rem}
  .card h3{font-size:.92rem;margin:.7rem .75rem .2rem}
  .bullet-list{columns:1}
  .footer-in{grid-template-columns:1fr;gap:1.4rem}
  .news-row{grid-template-columns:1fr}
  .news-row img{width:100%;height:auto;aspect-ratio:16/9}
  .form-actions{flex-direction:column}
  .lightbox button{width:42px;height:42px;font-size:1.5rem}
  .lb-prev{left:.3rem}.lb-next{right:.3rem}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.gallery-contain .gallery-item{background:#fff}
.gallery-contain .gallery-item img{object-fit:contain}