/* ============================================================
   YesWay — Shared Design System
   抽出共用 CSS 給所有頁面複用
   ============================================================ */
:root {
  --ink: #0E1410;
  --ink-2: #1F2622;
  --paper: #F7F6F1;
  --paper-2: #EFEEE7;
  --green: #007F02;
  --green-deep: #00580A;
  --green-tint: #E8F1E5;
  --steel: #6B7268;
  --steel-2: #B5B9B1;
  --hair: #D8D6CC;
  --signal: #FF5A1F;
  --max-w: 1440px;
  --gutter: clamp(20px, 4vw, 64px);
  --rad: 2px;
  --easing: cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Bricolage Grotesque', 'Noto Sans TC', system-ui, sans-serif;
  font-feature-settings: "ss01","cv11";
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; letter-spacing: .02em; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
img, svg { display: block; max-width: 100%; }
/* 中文排版：避免段落／標題最後一行只剩一個字（孤字） */
h1, h2, h3, h4, h5 { text-wrap: balance; }
p, li { text-wrap: pretty; }
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; font-weight: 500; letter-spacing: .18em;
  text-transform: uppercase; color: var(--steel);
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 24px; height: 1px; background: var(--green); }
.eyebrow.no-line::before { display: none; }

.h-section {
  font-family: 'Bricolage Grotesque', 'Noto Sans TC', sans-serif;
  font-weight: 500;
  font-size: clamp(36px, 5vw, 72px);
  line-height: 1.02; letter-spacing: -.02em;
  color: var(--ink); margin: 0;
}
.h-section em { font-style: normal; font-weight: 400; color: var(--green); }

/* Top bar */
.top-bar { background: var(--ink); color: var(--paper); font-family: 'JetBrains Mono', monospace; font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; }
.top-bar-track { display: flex; align-items: center; justify-content: space-between; padding: 9px 0; gap: 24px; flex-wrap: wrap; }
.top-bar-left { display: flex; align-items: center; gap: 14px; min-width: 0; }
.top-bar .pulse { width: 7px; height: 7px; border-radius: 50%; background: #6BFF6E; box-shadow: 0 0 0 0 rgba(107,255,110,.6); animation: pulse 1.8s infinite; flex-shrink: 0; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(107,255,110,.5); } 50% { box-shadow: 0 0 0 6px rgba(107,255,110,0); } }
.top-bar a { color: var(--paper); }
.top-bar a:hover { color: #6BFF6E; }
.top-bar .sep { opacity: .4; }
.top-bar-right { display: flex; gap: 18px; opacity: .85; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(247,246,241,.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--hair); }
.header-track { display: grid; grid-template-columns: auto 1fr auto; align-items: center; height: 96px; gap: 32px; }
.brand { display: flex; align-items: center; gap: 18px; }
.brand img { width: 221px; height: auto; }
.brand-meta { border-left: 1px solid var(--hair); padding-left: 16px; line-height: 1.2; }
.brand-meta .b1 { font-size: 13.5px; font-weight: 700; letter-spacing: .04em; }
.brand-meta .b2 { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--steel); letter-spacing: .16em; font-weight: 600; }

.nav { display: flex; gap: 4px; justify-content: center; padding: 0; margin: 0; list-style: none; }
.nav > li { list-style: none; position: relative; }
.nav a { display: inline-block; padding: 10px 14px; font-size: 14px; font-weight: 500; color: var(--ink); position: relative; }
.nav a:hover { color: var(--green); }
.nav a::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 1px; background: var(--green); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--easing); }
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }
.nav a.active { color: var(--green); }
.nav .has-sub > a::before { content: "+"; margin-right: 4px; color: var(--green); font-family: 'JetBrains Mono', monospace; font-size: 11px; opacity: .5; }

/* 語言連結（由 lang-switch.js 加入選單）— 桌機用 header 的圓角按鈕，
   這一列只在手機收合選單裡出現 */
.nav .nav-lang { display: none; }

.header-actions { display: flex; align-items: center; gap: 14px; }
.lang-switch { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: .14em; color: var(--steel); border: 1px solid var(--hair); border-radius: 999px; padding: 6px 10px; display: flex; gap: 8px; background: transparent; }
.lang-switch .on { color: var(--ink); font-weight: 600; }
.btn-cta { display: inline-flex; align-items: center; gap: 10px; background: var(--ink); color: var(--paper); border: none; padding: 12px 18px; font-size: 13.5px; font-weight: 500; transition: background .25s var(--easing); }
.btn-cta:hover { background: var(--green); }
.btn-cta .arrow { transition: transform .3s var(--easing); }
.btn-cta:hover .arrow { transform: translateX(3px); }

/* Catalog button (header) — opens product catalog PDF in a new tab */
.btn-catalog { display: inline-flex; align-items: center; gap: 9px; background: transparent; color: var(--ink); border: 1px solid var(--ink); padding: 11px 16px; font-size: 13.5px; font-weight: 500; cursor: pointer; white-space: nowrap; transition: background .25s var(--easing), color .25s var(--easing), border-color .25s var(--easing); }
.btn-catalog:hover { background: var(--green); color: var(--paper); border-color: var(--green); }
.btn-catalog svg { width: 15px; height: 15px; flex-shrink: 0; transition: transform .3s var(--easing); }
.btn-catalog:hover svg { transform: translateY(2px); }

.btn-primary { display: inline-flex; align-items: center; gap: 12px; background: var(--green); color: var(--paper); padding: 16px 26px; font-size: 15px; font-weight: 500; border: none; transition: background .25s var(--easing); }
.btn-primary:hover { background: var(--green-deep); }
.btn-text { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 500; color: var(--ink); border-bottom: 1px solid var(--ink); padding-bottom: 4px; transition: gap .3s var(--easing); }
.btn-text:hover { gap: 14px; color: var(--green); border-color: var(--green); }

/* Footer */
.footer { background: #06090A; color: rgba(247,246,241,.7); padding: 80px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 50px; border-bottom: 1px solid rgba(247,246,241,.1); }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer h5 { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--paper); margin: 0 0 16px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 10px; font-size: 14px; }
.footer li a:hover { color: #6BFF6E; }
.footer-brand img { width: 170px; margin-bottom: 18px; filter: brightness(0) invert(1); }
.footer-brand p { font-size: 14px; line-height: 1.6; max-width: 320px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 28px; flex-wrap: wrap; gap: 12px; font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: .12em; color: rgba(247,246,241,.45); }
.footer-bottom .seo { display: flex; gap: 12px; flex-wrap: wrap; color: rgba(247,246,241,.35); }

/* ============================================================
   Mobile navigation — CSS-only hamburger (checkbox toggle)
   ============================================================ */
.nav-toggle { display: none; }
.nav-cb { display: none; }

@media (max-width: 1180px) {
  .header-track {
    grid-template-columns: 1fr auto;
    height: auto;
    padding-top: 14px; padding-bottom: 14px;
    gap: 14px;
  }
  .brand img { width: 168px; }
  .brand-meta { display: none; }
  .header-actions { gap: 10px; }
  .lang-switch { display: none; }

  .nav-toggle {
    display: flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 46px; height: 42px;
    border: 1px solid var(--hair); background: var(--paper);
    padding: 0 11px; flex-shrink: 0;
  }
  .nav-toggle span {
    display: block; height: 2px; width: 100%;
    background: var(--ink);
    transition: transform .3s var(--easing), opacity .3s var(--easing);
  }

  /* nav → full-width dropdown panel below the sticky header */
  .site-header nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--hair);
    box-shadow: 0 22px 30px -22px rgba(14,20,16,.3);
    max-height: 0; overflow: hidden;
    transition: max-height .4s var(--easing);
  }
  .site-header .nav {
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 4px var(--gutter) 14px;
  }
  .site-header .nav a {
    padding: 15px 2px; font-size: 16px;
    border-bottom: 1px solid var(--hair);
  }
  .site-header .nav a::after { display: none; }
  .site-header .nav li:last-child a { border-bottom: 0; }

  /* 手機選單底部的語言切換 */
  .nav .nav-lang { display: list-item; }
  .nav .nav-lang a {
    color: var(--green); font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px; letter-spacing: .08em;
  }
  .nav .nav-lang a::before { content: "⇄ "; opacity: .6; }

  /* open state */
  .nav-cb:checked ~ nav { max-height: 75vh; overflow-y: auto; }
  .nav-cb:checked ~ .header-actions .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-cb:checked ~ .header-actions .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav-cb:checked ~ .header-actions .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* Slim band: horizontal nav is tight here — shrink the lang toggle instead of
   hiding it (it switches 中/EN and must stay reachable), make the catalog
   button icon-only, and tighten nav padding so the full menu fits. */
@media (max-width: 1440px) {
  .lang-switch { padding: 5px 9px; gap: 5px; font-size: 10.5px; letter-spacing: .1em; }
  .btn-catalog { padding: 10px; gap: 0; }
  .btn-catalog .bc-label { display: none; }
  .nav a { padding: 10px 11px; }
}

@media (max-width: 600px) {
  .btn-catalog { padding: 10px; gap: 0; }
  .btn-catalog .bc-label { display: none; }
}
@media (max-width: 420px) {
  .brand img { width: 140px; }
  .btn-cta { padding: 10px 13px; font-size: 12.5px; }
}

/* ============================================================
   Article (news detail) page
   ============================================================ */
/* 封面多半是帶文字的資訊圖，不能裁切：依圖片比例完整顯示，
   寬度最多到原圖寬度（1100px，避免放大變糊），兩側以深色底補滿整條橫幅；
   圖太高時（最高 760px）縮小並保持完整 */
.article-hero {
  width: 100%;
  overflow: hidden;
  background: var(--ink);
  border-bottom: 1px solid var(--hair);
}
.article-hero img {
  display: block;
  width: 100%; max-width: 1100px;
  height: auto; max-height: 760px;
  margin: 0 auto;
  object-fit: contain;
}

.article-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(40px, 6vw, 80px) var(--gutter) clamp(64px, 8vw, 110px);
}
.article-breadcrumb {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--steel); display: flex; gap: 10px; flex-wrap: wrap;
  margin-bottom: 30px;
}
.article-breadcrumb a:hover { color: var(--green); }
.article-breadcrumb .sep { opacity: .5; }

.article-meta {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  margin-bottom: 22px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; letter-spacing: .08em; color: var(--steel);
}
.article-meta .tag {
  background: var(--green); color: var(--paper);
  padding: 4px 11px; font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase;
}
.article-title {
  font-family: 'Bricolage Grotesque', 'Noto Sans TC', sans-serif;
  font-weight: 500;
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1.14; letter-spacing: -.02em;
  color: var(--ink); margin: 0 0 30px;
}
.article-title em { font-style: normal; color: var(--green); font-weight: 400; }

.article-lede {
  font-size: clamp(17px, 1.4vw, 20px);
  line-height: 1.7; color: var(--ink);
  margin: 0 0 34px; padding-bottom: 34px;
  border-bottom: 1px solid var(--hair);
}

.article-body { font-size: clamp(15.5px, 1.15vw, 17px); line-height: 1.85; color: var(--ink-2); }
.article-body > p { margin: 0 0 22px; }
.article-body h2 {
  font-family: 'Bricolage Grotesque', 'Noto Sans TC', sans-serif;
  font-weight: 600; font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.3; letter-spacing: -.01em; color: var(--ink);
  margin: 46px 0 18px;
}
.article-body h2::before { content: ""; display: block; width: 32px; height: 2px; background: var(--green); margin-bottom: 18px; }
.article-body strong { color: var(--ink); font-weight: 600; }
.article-body ul { margin: 0 0 24px; padding: 0; list-style: none; }
.article-body li { position: relative; padding-left: 22px; margin-bottom: 11px; }
.article-body li::before { content: ""; position: absolute; left: 2px; top: 12px; width: 7px; height: 7px; background: var(--green); border-radius: 50%; }
.article-body .inline-img { margin: 32px 0; }
.article-body .inline-img img { width: 100%; border: 1px solid var(--hair); }
.article-body .inline-img figcaption { margin-top: 10px; font-family: 'JetBrains Mono', monospace; font-size: 11.5px; letter-spacing: .06em; color: var(--steel); text-align: center; }

.article-foot {
  margin-top: 52px; padding-top: 34px; border-top: 1px solid var(--hair);
  display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap;
}
.article-back { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; color: var(--ink); }
.article-back:hover { color: var(--green); }
.article-back .arrow { color: var(--green); }