/* 慶豐自動控制 CF-ELECTRIC — 網站樣式表
   色彩與字體嚴格引用 品牌規範/design-tokens.json，不自創色票。 */

:root {
  --primary:   #0F2C49; /* 主幹藍 */
  --secondary: #16466E; /* 深峰藍 */
  --accent:    #2F74B0; /* 訊號藍 */
  --light:     #6FA8DC; /* 天峰藍 */
  --surface:   #EEF1F3; /* 雲白 */
  --white:     #ffffff;
  --ink:       #1a2733; /* 內文主色 */
  --ink-soft:  #55606b; /* 次要文字 */
  --line:      #dfe4e9; /* 細灰邊 */
  --line-soft: #eaeef1;

  --font-zh: "Noto Sans TC", system-ui, "PingFang TC", "Microsoft JhengHei", sans-serif;
  --font-en: "Archivo", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(15,44,73,.04), 0 8px 24px rgba(15,44,73,.05);
  --shadow-hover: 0 4px 10px rgba(15,44,73,.08), 0 16px 40px rgba(15,44,73,.10);
  --wrap: 1180px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-zh);
  font-weight: 400;
  color: var(--ink);
  background: var(--surface);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: fixed; top: 8px; left: 8px; z-index: 999;
  padding: 10px 14px; border-radius: var(--radius-sm);
  background: var(--white); color: var(--primary); font-weight: 700;
  box-shadow: var(--shadow-hover); transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); outline: 3px solid var(--light); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; display: block; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

.mono { font-family: var(--font-mono); font-feature-settings: "tnum" 1; }

/* ---------- Header ---------- */
.site-header {
  background: var(--primary);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 12px rgba(15,44,73,.18);
}
.header-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.brand-lockup { display: flex; align-items: center; gap: 12px; flex-shrink: 0; color: var(--white); }
.brand-lockup:hover { text-decoration: none; }
.brand-lockup .mark { width: 38px; height: 42px; flex-shrink: 0; }
.brand-lockup .brand-txt { display: flex; flex-direction: column; line-height: 1.1; }
.brand-lockup .brand-zh { font-weight: 900; font-size: 20px; letter-spacing: .04em; }
.brand-lockup .brand-en {
  font-family: var(--font-en); font-weight: 800; font-size: 11px;
  letter-spacing: .22em; color: var(--light);
}

.header-search { flex: 1; position: relative; max-width: 420px; margin-left: auto; }
.header-search input {
  width: 100%; border: none; border-radius: 999px;
  padding: 10px 16px 10px 40px; font-size: 15px; font-family: var(--font-zh);
  background: rgba(255,255,255,.12) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%236FA8DC' stroke-width='2.2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.2-3.2'/%3E%3C/svg%3E") no-repeat 14px center;
  color: var(--white);
}
.header-search input::placeholder { color: rgba(255,255,255,.6); }
.header-search input:focus { outline: 2px solid var(--light); background-color: rgba(255,255,255,.18); }

.nav-toggle {
  display: none; background: none; border: 1px solid rgba(255,255,255,.3);
  color: var(--white); border-radius: 8px; padding: 6px 10px; font-size: 20px; cursor: pointer;
}

.main-nav { display: flex; gap: 6px; align-items: center; }
.main-nav a {
  color: rgba(255,255,255,.86); font-size: 15px; padding: 6px 12px; border-radius: 8px; font-weight: 700;
}
.main-nav a:hover { background: rgba(255,255,255,.1); color: var(--white); text-decoration: none; }

/* ---------- Search dropdown ---------- */
.search-results {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm);
  box-shadow: var(--shadow-hover); overflow: hidden; z-index: 60; display: none;
}
.search-results.open { display: block; }
.search-results a {
  display: flex; justify-content: space-between; gap: 10px; align-items: baseline;
  padding: 10px 14px; color: var(--ink); border-bottom: 1px solid var(--line-soft);
}
.search-results a:last-child { border-bottom: none; }
.search-results a:hover { background: var(--surface); text-decoration: none; }
.search-results .r-name { font-weight: 700; font-size: 14px; }
.search-results .r-model { font-family: var(--font-mono); font-size: 12px; color: var(--ink-soft); flex-shrink: 0; }
.search-results .r-empty { padding: 14px; color: var(--ink-soft); font-size: 14px; }
.search-results .r-stopped { display: inline-block; margin-left: 6px; color: #8a2b33; font-size: 12px; font-weight: 700; white-space: nowrap; }
.search-results .r-summary { padding: 8px 14px; color: var(--ink-soft); font-size: 12px; background: var(--surface); }

/* ---------- Hero (home) ---------- */
/* Hero 方案 1a：搜尋主導・深藍全幅＋右上 logo 浮水印（設計提案定案，2026-07-16 由 1b 改回） */
.hero {
  background: var(--primary);
  color: var(--white); padding: 52px 0 56px; position: relative; overflow: hidden;
}
.hero-watermark {
  position: absolute; top: -46px; right: -30px; width: 300px; height: 338px;
  opacity: .08; pointer-events: none;
}
.hero-inner { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; position: relative; }
.hero-title { font-size: clamp(28px, 4.8vw, 38px); font-weight: 900; margin: 0 0 12px; letter-spacing: .02em; line-height: 1.3; color: var(--white); }
.hero-sub { font-family: var(--font-en); font-weight: 600; font-size: 13px; letter-spacing: .12em; color: var(--light); margin: 0 0 26px; }
.hero-search { display: flex; gap: 10px; max-width: 520px; align-items: stretch; position: relative; }
.hero-search input {
  flex: 1; min-width: 0; border: none; border-radius: 10px; padding: 14px 18px 14px 48px; font-size: 16px;
  font-family: var(--font-zh); box-shadow: 0 10px 30px rgba(0,0,0,.16);
  background: var(--white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%232F74B0' stroke-width='2.2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.2-3.2'/%3E%3C/svg%3E") no-repeat 16px center;
  color: var(--ink);
}
.hero-search input::placeholder { color: #8A97A1; }
.hero-search input:focus { outline: 3px solid var(--light); }
.hero-cta {
  flex-shrink: 0; display: inline-flex; align-items: center; padding: 0 24px; border-radius: 10px;
  background: var(--accent); color: var(--white); font-weight: 700; font-size: 16px; white-space: nowrap;
  border: 0; cursor: pointer; font-family: var(--font-zh);
}
.hero-cta:hover { background: var(--secondary); color: var(--white); text-decoration: none; }
/* 數字列 */
.hero-stats { display: flex; gap: 34px; margin-top: 28px; flex-wrap: wrap; }
.hero-stats .stat { display: flex; flex-direction: column; }
.hero-stats .stat b { font-family: var(--font-mono, "IBM Plex Mono", monospace); font-weight: 700; font-size: 22px; color: var(--white); }
.hero-stats .stat span { font-size: 12px; color: #9DB4C8; margin-top: 2px; }
/* 代理供應品牌區塊（1a 由 hero 移出，置於五大類之後） */
.brand-section .hero-brands-grid { max-width: 720px; }
.hero-brands-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.hero-brands-grid span {
  background: var(--white); border: 1px solid var(--line); border-radius: 8px; padding: 16px 8px; text-align: center;
  font-family: var(--font-en); font-weight: 700; font-size: 14px; color: var(--secondary); line-height: 1.3;
}
/* 分區服務窗口（聯絡頁，C 案橫條列，2026-07-16 定案） */
.region-windows { margin-bottom: 28px; scroll-margin-top: 150px; }
.region-windows-title { font-size: 18px; font-weight: 900; color: var(--primary); margin: 0 0 12px; }
.region-strip {
  background: var(--white); border: 1px solid var(--line);
  border-left-width: 6px; border-left-color: var(--accent);
  border-radius: 12px; padding: 12px 18px; margin-bottom: 10px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px;
}
.region-strip .region-name {
  background: var(--surface); color: var(--primary); font-weight: 900;
  padding: 7px 14px; border-radius: 10px; font-size: 14.5px; white-space: nowrap;
  min-width: 96px; text-align: center;
}
.region-strip .region-who { min-width: 150px; line-height: 1.35; }
.region-strip .region-who b { font-size: 16px; color: var(--primary); }
.region-strip .region-who span { display: block; font-size: 12.5px; color: var(--ink-soft); }
.region-strip a { font-size: 14px; color: var(--accent); white-space: nowrap; }
.region-note { font-size: 12.5px; color: var(--ink-soft); margin: 6px 2px 0; }
/* 五大類單色線稿圖示（設計提案 2a） */
.group-icon-wrap { color: var(--secondary); display: inline-flex; }
.group-icon { width: 34px; height: 34px; }
.group-card:hover .group-icon-wrap { color: var(--accent); }
.group-hero-icon-wrap { color: var(--secondary); display: block; margin-bottom: 6px; }
.group-hero-icon { width: 44px; height: 44px; }
.group-sec-icon-wrap { color: var(--secondary); display: inline-flex; flex-shrink: 0; }
.group-sec-icon { width: 28px; height: 28px; }
.group-section .section-head h2 a:hover ~ .group-sec-icon-wrap,
.group-section .section-head h2:hover .group-sec-icon-wrap { color: var(--accent); }

/* ---------- Sections ---------- */
main { display: block; }
.section { padding: 48px 0; }
.section-head { margin-bottom: 24px; }
.section-head h1, .section-head h2 {
  font-size: 24px; font-weight: 900; margin: 0 0 4px; color: var(--primary);
  display: flex; align-items: center; gap: 10px;
}
.section-head h1::before, .section-head h2::before {
  content: ""; width: 5px; height: 22px; background: var(--accent); border-radius: 3px; display: inline-block;
}
.section-head p { margin: 0; color: var(--ink-soft); font-size: 15px; }

/* ---------- Category grid ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.cat-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 18px 16px; color: var(--ink); display: flex; flex-direction: column; gap: 6px;
  transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease; box-shadow: var(--shadow);
}
.cat-card:hover { text-decoration: none; transform: translateY(-2px); box-shadow: var(--shadow-hover); border-color: var(--light); }
.cat-card .cat-name { font-weight: 700; font-size: 16px; line-height: 1.35; }
.cat-card .cat-count { font-family: var(--font-mono); font-size: 13px; color: var(--accent); font-weight: 500; }
.cat-card .cat-arrow { margin-top: auto; color: var(--light); font-size: 18px; align-self: flex-end; }

/* ---------- Group (五大類) cards ---------- */
.group-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.group-card {
  background: var(--white); border: 1px solid var(--line);
  /* border-left 拆 longhand：與含 var() 的 border 縮寫同塊會觸發瀏覽器展開怪癖（2026-07-15 實測） */
  border-left-width: 4px; border-left-color: var(--primary);
  border-radius: var(--radius); padding: 20px 22px; color: var(--ink);
  display: flex; flex-direction: column; gap: 8px;
  transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease; box-shadow: var(--shadow);
}
.group-card:hover { text-decoration: none; transform: translateY(-3px); box-shadow: var(--shadow-hover); border-left-color: var(--accent); }
.group-card .group-name { font-weight: 900; font-size: 19px; color: var(--primary); letter-spacing: .01em; line-height: 1.3; }
.group-card .group-tagline { font-size: 14px; color: var(--ink-soft); line-height: 1.6; }
.group-card .group-meta { font-size: 13px; color: var(--accent); font-weight: 500; }
.group-card .group-preview { font-size: 12.5px; color: var(--ink-soft); line-height: 1.5; }
.group-card .group-arrow { margin-top: auto; align-self: flex-end; color: var(--light); font-size: 18px; }

.all-cats-link { margin-top: 22px; text-align: center; }
.all-cats-link a { font-weight: 700; font-size: 15px; color: var(--accent); }

/* 大類頁與總覽頁的引言／連結標題 */
.section-head h2 a { color: inherit; }
.section-head h2 a:hover { color: var(--accent); text-decoration: none; }
.group-lead { max-width: 780px; }
.group-lead-meta, .group-sec-meta { color: var(--accent); font-weight: 500; }
.group-lead-meta { font-size: 13px; margin-top: 4px; }

/* ---------- Product grid + cards ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.prod-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; color: var(--ink);
  transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease; box-shadow: var(--shadow);
}
.prod-card:hover { text-decoration: none; transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: var(--light); }
.prod-thumb {
  aspect-ratio: 4 / 3; background: var(--surface); display: flex; align-items: center; justify-content: center;
  overflow: hidden; position: relative; border-bottom: 1px solid var(--line-soft);
}
.prod-thumb img { width: 100%; height: 100%; object-fit: contain; padding: 10px; mix-blend-mode: multiply; }
.prod-thumb .ph-mark { width: 46%; opacity: .12; }
.prod-body { padding: 14px 14px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.prod-brand { font-size: 12px; color: var(--ink-soft); font-weight: 700; letter-spacing: .02em; }
.prod-name { font-weight: 700; font-size: 15px; line-height: 1.4; color: var(--ink); }
.prod-model { font-family: var(--font-mono); font-size: 12.5px; color: var(--accent); word-break: break-all; }
.prod-foot { margin-top: auto; display: flex; align-items: baseline; justify-content: space-between; gap: 8px; padding-top: 6px; }
.prod-price { font-family: var(--font-mono); font-weight: 500; color: var(--primary); font-size: 16px; }
.prod-price .price-lbl { font-family: var(--font-zh); font-weight: 700; font-size: 12px; color: var(--ink-soft); margin-right: 6px; }
.price-lbl-pdp { font-family: var(--font-zh); font-weight: 700; font-size: 15px; color: var(--ink-soft); }
.prod-price.ask { color: var(--accent); font-family: var(--font-zh); font-weight: 700; font-size: 14px; }
.prod-price.discontinued { color: #8a2b33; font-family: var(--font-zh); font-weight: 700; font-size: 14px; }

.badge {
  display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px;
  letter-spacing: .04em; line-height: 1.6;
}
.badge-discontinued { background: #f1e3e4; color: #8a2b33; }
.prod-thumb .badge-discontinued { position: absolute; top: 8px; left: 8px; z-index: 2; }

/* ---------- Sub-category chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.chip {
  border: 1px solid var(--line); background: var(--white); color: var(--ink-soft);
  padding: 6px 14px; border-radius: 999px; font-size: 13.5px; font-weight: 700; cursor: pointer;
  transition: all .12s ease;
}
.chip:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.chip.active { background: var(--accent); color: var(--white); border-color: var(--accent); }

/* ---------- Breadcrumb ---------- */
.breadcrumb { font-size: 13.5px; color: var(--ink-soft); padding: 20px 0 4px; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; }
.breadcrumb li::after { content: "›"; margin-left: 6px; color: var(--line); }
.breadcrumb li:last-child::after { content: ""; }
.breadcrumb a { color: var(--accent); }
.breadcrumb li:last-child { color: var(--ink-soft); }

/* ---------- Product detail ---------- */
.pdp { display: grid; grid-template-columns: 1fr; gap: 28px; padding: 8px 0 12px; }
.pdp-media {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center; overflow: hidden; box-shadow: var(--shadow);
}
.pdp-media img { width: 100%; height: 100%; object-fit: contain; padding: 22px; mix-blend-mode: multiply; }
.pdp-media .ph-mark { width: 38%; opacity: .12; }
.pdp h1 { font-size: 26px; font-weight: 900; margin: 6px 0 12px; line-height: 1.35; color: var(--primary); }
.pdp-price-row { display: flex; align-items: baseline; gap: 12px; margin: 4px 0 20px; flex-wrap: wrap; }
.pdp-price { font-family: var(--font-mono); font-weight: 500; font-size: 30px; color: var(--primary); }
.pdp-price.ask { font-family: var(--font-zh); font-weight: 900; color: var(--accent); font-size: 24px; }
.pdp-price.discontinued { font-family: var(--font-zh); font-weight: 900; color: #8a2b33; font-size: 24px; }
.pdp-price-note { font-size: 13px; color: var(--ink-soft); }

.spec-table { width: 100%; border-collapse: collapse; margin: 4px 0 8px; }
.spec-table th, .spec-table td { text-align: left; padding: 11px 4px; border-bottom: 1px solid var(--line-soft); vertical-align: top; font-size: 15px; }
.spec-table th { width: 96px; color: var(--ink-soft); font-weight: 700; white-space: nowrap; }
.spec-table td { font-family: var(--font-mono); color: var(--ink); word-break: break-word; }
.spec-table td.zh { font-family: var(--font-zh); }

.spec-block { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin: 20px 0; box-shadow: var(--shadow); }
.spec-block h2 { font-size: 17px; font-weight: 900; margin: 0 0 8px; color: var(--primary); }
.spec-block pre { font-family: var(--font-mono); font-size: 13.5px; white-space: pre-wrap; word-break: break-word; margin: 0; color: var(--ink); line-height: 1.7; }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 22px 0 8px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 13px 22px; border-radius: 999px;
  font-weight: 700; font-size: 15px; cursor: pointer; border: 1.5px solid transparent; transition: all .13s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--secondary); }
.btn-line { background: #06C755; color: var(--white); }
.btn-line:hover { background: #05a648; }
.btn-outline { background: var(--white); color: var(--accent); border-color: var(--line); }
.btn-outline:hover { border-color: var(--accent); }
.btn-ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.12); }

.ext-link { font-size: 13.5px; color: var(--ink-soft); margin-top: 6px; }
.ext-link a { word-break: break-all; }
.pdp-notes { font-size: 13px; color: var(--ink-soft); line-height: 1.8; margin: 2px 0 8px; }

/* ---------- Info / location cards ---------- */
.info-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.info-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow);
}
.info-card h3 { margin: 0 0 12px; font-size: 18px; font-weight: 900; color: var(--primary); display: flex; align-items: center; gap: 8px; }
.info-card h3 .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.info-card dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 8px 14px; font-size: 15px; }
.info-card dt { color: var(--ink-soft); font-weight: 700; }
.info-card dd { margin: 0; }
.info-card dd.mono { font-family: var(--font-mono); }

/* ---------- 規格說明：智慧表格/條列（2026-07-18，類名 spec-grid 避開既有 spec-table） ---------- */
.spec-block .spec-grid-wrap { overflow-x: auto; margin: 12px 0 18px; border-radius: 8px; }
.spec-grid { border-collapse: collapse; width: 100%; font-size: 14px; background: var(--white); }
.spec-grid th {
  background: var(--surface); color: var(--primary); font-weight: 700; text-align: left;
  padding: 8px 12px; border: 1px solid var(--line); white-space: nowrap; font-size: 13px;
}
.spec-grid td {
  padding: 7px 12px; border: 1px solid var(--line-soft); color: var(--ink);
  line-height: 1.6; word-break: keep-all; overflow-wrap: normal;
}
.spec-grid tr:nth-child(even) td { background: rgba(15,44,73,.025); }
.spec-block .spec-list { margin: 8px 0 14px; padding-left: 1.25em; }
.spec-block .spec-list li { margin: 4px 0; font-size: 15px; color: var(--ink); line-height: 1.7; }
.spec-block .spec-p { margin: 12px 0 6px; font-size: 15px; color: var(--ink); line-height: 1.7; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--primary); color: var(--white); border-radius: var(--radius); padding: 34px 32px; text-align: center; }
.cta-band h2 { font-size: 24px; font-weight: 900; margin: 0 0 8px; }
.cta-band p { color: rgba(255,255,255,.82); margin: 0 0 20px; }
.cta-band .cta-row { justify-content: center; }

/* ---------- Empty state ---------- */
.empty-state {
  background: var(--white); border: 1px dashed var(--line); border-radius: var(--radius); padding: 48px 24px; text-align: center; color: var(--ink-soft);
}
.empty-state .mark { width: 56px; margin: 0 auto 16px; opacity: .3; }
.empty-state h1, .empty-state h3 { color: var(--ink); font-weight: 900; margin: 0 0 8px; }

/* ---------- Related ---------- */
.related-head { margin: 40px 0 18px; }
.related-head h2 { font-size: 20px; font-weight: 900; color: var(--primary); margin: 0; }

/* ---------- Forms ---------- */
.form-wrap { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-weight: 700; font-size: 14px; margin-bottom: 6px; color: var(--ink); }
.form-field label .req { color: #b8232f; margin-left: 3px; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px;
  font-size: 15px; font-family: var(--font-zh); background: #fbfcfd; color: var(--ink);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: 2px solid var(--accent); border-color: var(--accent); background: var(--white); }
.form-field textarea { resize: vertical; min-height: 120px; }
.hp-field { position: absolute; left: -9999px; }
.privacy-notice { margin: 6px 0 18px; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); color: var(--ink-soft); font-size: 13px; }
.privacy-notice strong { display: block; color: var(--ink); margin-bottom: 5px; }
.privacy-notice p { margin: 5px 0; }
.privacy-check { display: flex; gap: 9px; align-items: flex-start; margin-top: 12px; color: var(--ink); cursor: pointer; }
.privacy-check input { width: auto; margin: 4px 0 0; flex: 0 0 auto; }
.form-response-note { color: var(--ink-soft); font-size: 13px; margin: -2px 0 16px; }

/* ---------- Prose ---------- */
.prose { max-width: 760px; }
.prose p { color: var(--ink-soft); font-size: 16px; }
.prose h2 { color: var(--primary); font-weight: 900; font-size: 22px; margin: 32px 0 12px; }
.lead { font-size: 18px; color: var(--ink); line-height: 1.8; }

/* ---------- Footer ---------- */
.site-footer { background: var(--primary); color: rgba(255,255,255,.75); margin-top: 48px; padding: 44px 0 28px; font-size: 14px; }
.footer-inner { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.site-footer .brand-lockup { margin-bottom: 14px; }
.site-footer h4 { color: var(--white); font-size: 14px; font-weight: 900; margin: 0 0 12px; letter-spacing: .04em; }
.site-footer a { color: rgba(255,255,255,.75); }
.site-footer a:hover { color: var(--white); }
.footer-branch { margin-bottom: 14px; line-height: 1.7; }
.footer-branch b { color: var(--white); display: block; }
.footer-branch .mono { color: rgba(255,255,255,.7); }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-bottom { max-width: var(--wrap); margin: 28px auto 0; padding: 18px 20px 0; border-top: 1px solid rgba(255,255,255,.14); font-size: 12.5px; color: rgba(255,255,255,.55); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ---------- Responsive ---------- */
@media (min-width: 720px) {
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .prod-grid { grid-template-columns: repeat(3, 1fr); }
  .group-grid { grid-template-columns: repeat(2, 1fr); }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
  .pdp { grid-template-columns: 1fr 1fr; align-items: start; }
}
@media (min-width: 1080px) {
  .cat-grid { grid-template-columns: repeat(4, 1fr); }
  .prod-grid { grid-template-columns: repeat(4, 1fr); }
  .group-grid { grid-template-columns: repeat(3, 1fr); }
  .pdp { grid-template-columns: 5fr 6fr; gap: 40px; }
}

@media (max-width: 719px) {
  .main-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--secondary);
    flex-direction: column; padding: 10px; gap: 2px; box-shadow: var(--shadow-hover);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px; border-radius: 8px; }
  .nav-toggle { display: block; order: 3; }
  .header-inner { flex-wrap: wrap; }
  .header-search { order: 4; flex-basis: 100%; max-width: none; margin: 6px 0 2px; }
  .footer-inner { grid-template-columns: 1fr; gap: 22px; }
  .brand-lockup .brand-zh { font-size: 18px; }
}

@media (max-width: 359px) {
  .prod-grid { grid-template-columns: 1fr; }
}

/* 接線圖／線路圖區塊 */
.diagram-block { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; margin-top: 16px; box-shadow: var(--shadow); }
.diagram-block h2 { font-size: 17px; font-weight: 900; margin: 0 0 12px; color: var(--primary); }
.diagram-block .diagram-zoom { display: block; }
.diagram-block img { display: block; max-width: 100%; height: auto; margin: 0 auto; border: 1px solid var(--line-soft); border-radius: 8px; background: #fff; }
.diagram-block .diagram-zoom img { cursor: zoom-in; }
.diagram-block .diagram-note { font-size: 12.5px; color: var(--ink-soft); margin: 10px 0 0; }

/* 分類頁功能對照表 */
.compare-block { margin-top: 32px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.compare-block h2 { font-size: 20px; font-weight: 900; color: var(--primary); margin: 0 0 8px; }
.compare-intro { font-size: 14px; color: var(--ink-soft); line-height: 1.7; margin: 0 0 16px; }
.compare-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line-soft); border-radius: 10px; }
.compare-table { border-collapse: collapse; width: 100%; min-width: 760px; font-size: 13.5px; }
.compare-table th, .compare-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line-soft); white-space: nowrap; }
.compare-table thead th { background: var(--primary); color: var(--white); font-weight: 700; position: sticky; top: 0; }
.compare-table tbody th { background: var(--surface); color: var(--primary); font-weight: 900; font-family: var(--font-mono); }
.compare-table tbody tr:hover td { background: var(--line-soft); }
.compare-table td strong { color: var(--accent); }
.compare-note { font-size: 12px; color: var(--ink-soft); margin: 12px 0 0; }