/* 泓流科技 StreamFlow Solutions — 網站樣式 */
:root{
  --navy:#0B2545; --navy-deep:#071A33; --teal:#0E8C8C; --teal-text:#0A7373; --teal-soft:#E3F4F3;
  --gold:#D9A23D; --gold-bright:#E0A43A; --ink:#0B2545; --body:#3B4F66; --muted:#5A6B7D;
  --line:#DCE3EA; --soft:#F3F7FA; --white:#FFFFFF; --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Noto Sans TC',system-ui,-apple-system,'PingFang TC','Microsoft JhengHei',sans-serif;color:var(--ink);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal-text)}a:hover{color:var(--navy)}
h1,h2,h3{margin:0;line-height:1.3}
p{margin:0}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:12px 16px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid #9ED9D9;outline-offset:2px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;max-width:1200px;margin:0 auto}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--navy)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-zh{font-size:22px;font-weight:900;letter-spacing:.08em}
.brand-en{font-size:11px;font-weight:700;letter-spacing:.2em;color:var(--teal-text)}
.nav-toggle{display:none;min-height:44px;min-width:44px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;align-items:center;justify-content:center}
.main-nav>ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:4px}
.main-nav li{position:relative}
.nav-link{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 16px;border:0;background:transparent;border-radius:8px;font:inherit;font-size:16px;font-weight:500;color:var(--navy);text-decoration:none;cursor:pointer}
.nav-link:hover{background:var(--soft);color:var(--teal-text)}
.nav-link.is-active{color:var(--teal-text);font-weight:700;box-shadow:inset 0 -3px 0 var(--teal-text);border-radius:0}
.submenu{display:none;position:absolute;top:100%;left:0;min-width:180px;margin:6px 0 0;padding:8px;list-style:none;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 16px 36px rgba(11,37,69,.14)}
.submenu a{display:flex;align-items:center;min-height:44px;padding:0 14px;border-radius:6px;color:var(--navy);text-decoration:none;font-size:15px}
.submenu a:hover{background:var(--soft);color:var(--teal-text)}
.has-sub.open>.submenu{display:block}
@media (hover:hover) and (min-width:961px){.has-sub:hover>.submenu{display:block}}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 28px;border-radius:999px;font-weight:700;font-size:16px;text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:inherit}
.btn-gold{background:var(--gold-bright);color:var(--navy)}.btn-gold:hover{background:#ecb551;color:var(--navy)}
.btn-teal{background:var(--teal-text);color:#fff}.btn-teal:hover{background:#085f5f;color:#fff}
.btn-ghost-light{border-color:#fff;color:#fff}.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-ghost{border-color:var(--navy);color:var(--navy);background:#fff}.btn-ghost:hover{background:var(--soft);color:var(--navy)}
.btn-white{background:#fff;color:var(--navy)}.btn-white:hover{background:var(--soft);color:var(--navy)}
.more{display:inline-flex;align-items:center;min-height:44px;font-weight:700}

/* Sections */
.section{padding:96px 0}
.section.soft{background:var(--soft)}
.eyebrow{font-size:14px;font-weight:700;letter-spacing:.2em;color:var(--teal-text);margin-bottom:12px}
.eyebrow.gold{color:var(--gold-bright)}
.h2{font-size:36px;font-weight:900}
.lead{font-size:17px;line-height:1.9;color:var(--body)}
.section-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:40px}
.section-head.center{flex-direction:column;align-items:center;text-align:center}
.grid{display:grid;gap:24px}
.grid-auto-240{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.grid-auto-200{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.grid-auto-170{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px}
.grid-auto-320{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.split{display:flex;flex-wrap:wrap;gap:56px;align-items:center}
.split>*{flex:1 1 420px;min-width:0}

/* Hero */
.hero{background:var(--navy);color:#fff;overflow:hidden}
.hero .container{display:flex;flex-wrap:wrap;align-items:center;gap:48px;padding-top:96px;padding-bottom:96px}
.hero-copy{flex:1 1 480px;min-width:0;display:flex;flex-direction:column;gap:24px}
.hero h1{font-size:56px;font-weight:900;line-height:1.2}
.hero p{font-size:18px;line-height:1.8;color:#C9D6E3;max-width:520px}
.hero-art{flex:1 1 420px;min-width:0;display:flex;justify-content:center}
.actions{display:flex;flex-wrap:wrap;gap:16px}

.page-hero{background:var(--navy);color:#fff}
.page-hero .container{padding-top:64px;padding-bottom:64px;display:flex;flex-direction:column;gap:12px}
.page-hero h1{font-size:48px;font-weight:900}
.page-hero p.sub{font-size:18px;color:#C9D6E3}
.crumb{font-size:14px;color:#C9D6E3}
.crumb a{color:#C9D6E3}
.crumb.dark{color:var(--muted)}.crumb.dark a{color:var(--teal-text)}

/* Cards */
.card{background:#fff;border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:10px}
.card.bordered{border:1px solid var(--line)}
.card.tint{background:var(--soft)}
.card h3{font-size:20px;font-weight:700}
.card p{font-size:15px;line-height:1.8;color:var(--body)}
.card .tag{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--teal-text)}
.lift{transition:transform .2s ease,box-shadow .2s ease;text-decoration:none;color:var(--navy)}
.lift:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(11,37,69,.12);color:var(--navy)}
.num{width:48px;height:48px;border-radius:12px;background:var(--teal-soft);color:var(--teal-text);font-size:20px;font-weight:900;display:flex;align-items:center;justify-content:center}

/* Product cards */
.pcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.pcard .ph{aspect-ratio:1/1;background:#fff;display:flex;align-items:center;justify-content:center}
.pcard .ph img{width:100%;height:100%;object-fit:contain}
.pcard .body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:6px}
.pcard .cat{font-size:13px;font-weight:700;color:var(--teal-text)}
.pcard .name{font-size:18px;font-weight:700;line-height:1.4}
.pcard .en{font-size:13px;letter-spacing:.06em;color:var(--muted)}
.pcard .price{font-size:16px;font-weight:700;padding-top:6px}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.pill{min-height:44px;padding:0 20px;border-radius:999px;border:1px solid #C5D1DC;background:#fff;color:var(--navy);font:inherit;font-size:15px;font-weight:500;cursor:pointer}
.pill:hover{border-color:var(--teal-text);color:var(--teal-text)}
.pill[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:700}
.note{font-size:14px;color:var(--muted);margin-top:28px}

/* Product detail */
.detail{display:flex;flex-wrap:wrap;gap:48px;align-items:flex-start}
.detail .media{flex:1 1 420px;min-width:0;border-radius:24px;overflow:hidden;background:#fff;border:1px solid var(--line)}
.detail .info{flex:1 1 460px;min-width:0;display:flex;flex-direction:column;gap:18px}
.badge{align-self:flex-start;font-size:14px;font-weight:700;padding:6px 14px;border-radius:999px;background:var(--teal-soft);color:var(--teal-text)}
.detail h1{font-size:38px;font-weight:900}
.detail .tagline{font-size:19px;font-weight:700;color:var(--teal-text);line-height:1.6}
.checks{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.checks li{display:flex;gap:12px;align-items:flex-start;font-size:16px;line-height:1.7}
.checks svg{flex:0 0 22px;margin-top:2px}
.pricebox{padding:20px 24px;border-radius:16px;background:var(--soft);display:flex;flex-direction:column;gap:4px}
.pricebox span{font-size:14px;color:var(--muted)}
.pricebox strong{font-size:26px;font-weight:900}
.specs{display:grid;grid-template-columns:96px minmax(0,1fr);row-gap:12px;column-gap:16px;font-size:16px;line-height:1.7}
.specs dt{color:var(--muted)}.specs dd{margin:0}
.panel{background:var(--soft);border-radius:20px;padding:32px;display:flex;flex-direction:column;gap:14px}
.panel h2{font-size:22px;font-weight:900}
.panel p{font-size:16px;line-height:1.8;color:var(--body)}

/* Forms */
.form-wrap{background:#fff;border-radius:24px;padding:40px}
.form-band{background:var(--navy);padding:80px 0}
.form-band .form-wrap{max-width:880px;margin:0 auto}
form.f{display:flex;flex-direction:column;gap:22px}
.f-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.f label.l{font-size:15px;font-weight:700;display:flex;flex-direction:column;gap:8px}
.f input[type=text],.f input[type=email],.f input[type=tel],.f select,.f textarea{width:100%;min-height:48px;padding:12px 16px;border:1px solid #9AAABB;border-radius:10px;font:inherit;font-size:16px;color:var(--navy);background:#fff}
.f textarea{resize:vertical}
.f input:focus,.f select:focus,.f textarea:focus{outline:3px solid #9ED9D9;border-color:var(--teal-text)}
.f .check{display:flex;gap:10px;align-items:center;font-size:15px;color:var(--body);min-height:44px}
.f .check input{width:20px;height:20px}
.hp{position:absolute;left:-5000px}
.f-status{font-size:15px;line-height:1.7}
.f-status.err{color:#B3261E}
.thanks{display:none;flex-direction:column;gap:16px;align-items:flex-start;padding:24px 0}
.thanks.show{display:flex}
.thanks h2{font-size:28px;font-weight:900}
.thanks p{font-size:17px;line-height:1.8;color:var(--body)}

/* News / FAQ accordions */
.acc{border-bottom:1px solid var(--line)}
.acc summary{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px;min-height:44px;padding:26px 8px;cursor:pointer}
.acc summary::-webkit-details-marker{display:none}
.acc summary:hover .t{color:var(--teal-text)}
.acc .d{flex:0 0 110px;font-size:15px;font-weight:700;color:var(--muted)}
.acc .k{font-size:13px;font-weight:700;padding:4px 12px;border-radius:999px;background:var(--teal-soft);color:var(--teal-text)}
.acc .t{flex:1 1 360px;min-width:0;font-size:19px;font-weight:700;line-height:1.5}
.acc .chev{transition:transform .2s}
.acc[open] .chev{transform:rotate(180deg)}
.acc .a{padding:0 8px 28px;font-size:16px;line-height:1.9;color:var(--body)}
.faq{border:1px solid var(--line);border-radius:16px;margin-bottom:16px}
.faq summary{list-style:none;display:flex;align-items:center;gap:16px;min-height:44px;padding:22px 26px;cursor:pointer;font-size:18px;font-weight:700}
.faq summary::-webkit-details-marker{display:none}
.faq .q,.faq .ans-k{flex:0 0 36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700}
.faq .q{background:var(--navy);color:#fff}
.faq .ans-k{background:var(--teal-soft);color:var(--teal-text)}
.faq .ans{display:flex;gap:16px;padding:0 26px 26px}
.faq .ans p{padding-top:6px;font-size:16px;line-height:1.9;color:var(--body)}
.faq summary span.tx{flex:1 1 auto}
.faq[open] .chev{transform:rotate(180deg)}

/* Article */
.article{max-width:780px;margin:0 auto;padding:56px 24px 96px;display:flex;flex-direction:column;gap:28px}
.article h1{font-size:40px;line-height:1.45;font-weight:900}
.article h2{font-size:25px;font-weight:900}
.article p{font-size:17px;line-height:2;color:var(--body)}
.aside{background:var(--soft);border-radius:16px;padding:28px 32px}

/* Footer */
.site-footer{background:var(--navy-deep);color:#fff}
.site-footer .container{padding-top:64px;padding-bottom:32px;display:flex;flex-direction:column;gap:40px}
.f-top{display:flex;flex-wrap:wrap;gap:48px;justify-content:space-between}
.f-info{flex:1 1 320px;min-width:0;display:flex;flex-direction:column;gap:20px}
.f-info .lines{display:flex;flex-direction:column;gap:6px;font-size:15px;line-height:1.7;color:#C9D6E3}
.f-cols{display:flex;flex-wrap:wrap;gap:48px}
.f-col{display:flex;flex-direction:column;gap:6px}
.f-col h2{font-size:14px;font-weight:700;letter-spacing:.16em;color:var(--gold-bright);padding-bottom:6px}
.f-col a{color:#C9D6E3;text-decoration:none;font-size:15px;min-height:32px;display:inline-flex;align-items:center}
.f-col a:hover{color:#fff}
.f-bottom{border-top:1px solid rgba(255,255,255,.16);padding-top:24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#A9B8C8}

.cta-band{background:var(--teal-text);color:#fff;padding:80px 0}
.cta-band .container{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px}
.cta-band h2{font-size:32px;font-weight:900}
.cta-band p{font-size:17px;color:#E3F4F3;margin-top:10px}

.warn{display:flex;gap:20px;align-items:flex-start;background:#FBF2E1;border-radius:16px;padding:28px 32px;color:#4A3A12;font-size:16px;line-height:1.9}

/* Responsive */
@media (max-width:960px){
  .nav-toggle{display:inline-flex}
  .main-nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);padding:8px 16px 16px;max-height:calc(100vh - 80px);overflow:auto}
  .main-nav.open{display:block}
  .main-nav>ul{flex-direction:column;align-items:stretch}
  .nav-link{width:100%;justify-content:space-between}
  .nav-link.is-active{box-shadow:inset 3px 0 0 var(--teal-text)}
  .submenu{position:static;box-shadow:none;border:0;margin:0;padding:0 0 0 16px}
}
@media (max-width:640px){
  .hero h1{font-size:38px}
  .page-hero h1{font-size:34px}
  .h2{font-size:28px}
  .section{padding:64px 0}
  .form-wrap{padding:28px 20px}
  .detail h1{font-size:30px}
  .article h1{font-size:30px}
  .acc .d{flex-basis:auto}
}