/* ==========================================================================
   鴻順機械工程 — 網站設計系統
   方向：精密工程檔案 (Precision Engineering Dossier)
   冷白紙面 × 工業墨黑 × 單一銅橘重點色，局部特寫攝影，工程製圖式細節
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* 墨色系（統一冷灰調，不混暖灰） */
  --ink:        #0E1A21;
  --ink-2:      #17262F;
  --ink-3:      #24363F;
  --steel:      #55686F;
  --steel-2:    #7D8D94;
  --line:       #DCE2E5;
  --line-soft:  #EAEEF0;
  --paper:      #F5F7F8;
  --paper-2:    #EDF1F2;
  --white:      #FFFFFF;

  /* 重點色：延用現行網站主標題的銅橘 #C55A11，降飽和度後定案 */
  --accent:      #C2571A;
  --accent-deep: #9B4413;
  --accent-soft: #FBF0E8;
  /* 次要色：取自公司 LOGO 的工程藍，僅用於資料、圖表、標記 */
  --blue:        #1B5E8C;
  --blue-soft:   #EBF2F7;

  /* 字級（clamp 讓行動裝置自然縮放，不需要斷點微調）
     2026-08 依客戶回饋調整：細部說明文字整體放大，與標題的比例拉近 */
  --fs-display: clamp(2.1rem, 1.1rem + 3.6vw, 3.3rem);
  --fs-h1:      clamp(1.92rem, 1.1rem + 3.0vw, 3.15rem);
  --fs-h2:      clamp(1.55rem, 1.05rem + 1.8vw, 2.3rem);
  --fs-h3:      clamp(1.2rem, 1.0rem + 0.75vw, 1.5rem);
  --fs-lead:    clamp(1.08rem, 1.0rem + 0.4vw, 1.28rem);
  --fs-body:    1.05rem;
  --fs-sm:      0.985rem;
  --fs-xs:      0.87rem;

  /* 間距節奏 */
  --gutter:  clamp(1.15rem, 0.6rem + 2.4vw, 2.5rem);
  --section: clamp(4rem, 2.2rem + 7vw, 7.75rem);
  --maxw:    1272px;
  --maxw-text: 68ch;

  /* 陰影帶背景色相，不用純黑 */
  --sh-1: 0 1px 2px rgba(14, 26, 33, .05), 0 2px 8px rgba(14, 26, 33, .04);
  --sh-2: 0 2px 6px rgba(14, 26, 33, .06), 0 12px 30px rgba(14, 26, 33, .08);
  --sh-3: 0 4px 12px rgba(14, 26, 33, .08), 0 26px 60px rgba(14, 26, 33, .13);

  --r-sm: 2px;
  --r:    4px;
  --r-lg: 10px;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --z-nav: 100;
  --z-overlay: 200;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 92px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
body {
  margin: 0;
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--ink-2);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }

/* Latin / 數字使用 Barlow，中文自動 fallback 到 Noto Sans TC */
.lat, .eyebrow, .stat-num, .idx, .btn, .nav a, th, .tag, time {
  font-family: "Barlow", "Noto Sans TC", sans-serif;
}

::selection { background: var(--accent); color: #fff; }

/* 鍵盤操作可見焦點 */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

.skip-link {
  position: absolute; left: 12px; top: -60px;
  background: var(--ink); color: #fff;
  padding: .7rem 1.15rem; z-index: 999;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section); }
.section--paper { background: var(--paper); }
.section--ink { background: var(--ink); color: #C9D3D8; }
.section--tight { padding-block: calc(var(--section) * .62); }

/* ---------- Typography ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: var(--fs-xs); font-weight: 600;
  letter-spacing: .17em; text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: ""; width: 26px; height: 2px;
  background: var(--accent); flex: none;
}
.section--ink .eyebrow { color: #E2954F; }
.section--ink .eyebrow::before { background: #E2954F; }

.display {
  font-size: var(--fs-display); font-weight: 900;
  line-height: 1.08; letter-spacing: -.022em;
  color: var(--ink); text-wrap: balance;
}
.h1 { font-size: var(--fs-h1); font-weight: 800; line-height: 1.2; letter-spacing: -.018em; color: var(--ink); text-wrap: balance; }
.h2 { font-size: var(--fs-h2); font-weight: 800; line-height: 1.28; letter-spacing: -.014em; color: var(--ink); text-wrap: balance; }
.h3 { font-size: var(--fs-h3); font-weight: 700; line-height: 1.45; color: var(--ink); }
.section--ink .display, .section--ink .h1,
.section--ink .h2, .section--ink .h3 { color: #fff; }

.lead { font-size: var(--fs-lead); line-height: 1.9; color: var(--steel); max-width: var(--maxw-text); text-wrap: pretty; }
.section--ink .lead { color: #A9B7BE; }
.prose p { max-width: var(--maxw-text); color: var(--steel); text-wrap: pretty; }
.prose p + p { margin-top: 1.15em; }
.muted { color: var(--steel-2); }
.small { font-size: var(--fs-sm); }

/* 區塊標頭：標籤 → 標題 → 引言，左對齊不置中 */
.sec-head { max-width: 62ch; margin-bottom: clamp(2.2rem, 1.2rem + 2.4vw, 3.6rem); }
.sec-head .h2 { margin-top: .85rem; }
.sec-head .lead { margin-top: 1.05rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .82rem 1.55rem;
  font-size: var(--fs-sm); font-weight: 600; letter-spacing: .03em;
  border: 1px solid transparent; border-radius: var(--r);
  cursor: pointer;
  transition: background-color .22s var(--ease), color .22s var(--ease),
              border-color .22s var(--ease), transform .12s var(--ease),
              box-shadow .22s var(--ease);
}
.btn svg { flex: none; transition: transform .22s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--accent); color: #fff; box-shadow: 0 2px 10px rgba(194, 87, 26, .28); }
.btn--primary:hover { background: var(--accent-deep); box-shadow: 0 4px 18px rgba(194, 87, 26, .34); }

.btn--ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--ink); background: var(--ink); color: #fff; }

.btn--onphoto { border-color: rgba(255,255,255,.5); color: #fff; backdrop-filter: blur(6px); background: rgba(14,26,33,.28); }
.btn--onphoto:hover { background: #fff; color: var(--ink); border-color: #fff; }

.btn--sm { padding: .6rem 1.15rem; font-size: var(--fs-xs); }

/* 文字型第三層動作，避免每處都是「實心＋外框」兩顆鈕 */
.tlink {
  display: inline-flex; align-items: center; gap: .45rem;
  font-size: var(--fs-sm); font-weight: 600; color: var(--accent);
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(194, 87, 26, .32);
  transition: border-color .2s var(--ease), gap .2s var(--ease);
}
.tlink:hover { border-color: var(--accent); gap: .75rem; }

/* ---------- Header ---------- */
.hdr {
  position: sticky; top: 0; z-index: var(--z-nav);
  background: rgba(255,255,255,.93);
  backdrop-filter: saturate(1.6) blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.hdr__in { display: flex; align-items: center; gap: 1.5rem; min-height: 78px; }

.brand { display: flex; align-items: center; gap: .72rem; margin-right: auto; }
.brand img { width: 42px; height: 42px; object-fit: contain; }
.brand__tx { display: flex; flex-direction: column; line-height: 1.2; }
.brand__cn { font-size: 1.06rem; font-weight: 800; color: var(--ink); letter-spacing: .04em; }
/* 英文全名較長，字級與字距收緊才排得下；窄螢幕直接隱藏 */
.brand__en {
  font-family: "Barlow", sans-serif; font-size: .53rem; font-weight: 600;
  letter-spacing: .045em; color: var(--steel-2); text-transform: uppercase;
  white-space: nowrap;
}
@media (max-width: 560px) { .brand__en { display: none; } }

/* 只讓最上層選單橫排；子選單維持垂直堆疊 */
.nav > ul { display: flex; align-items: center; gap: clamp(.5rem, .1rem + 1.1vw, 1.7rem); }
.nav a {
  position: relative; display: block;
  padding: .55rem .25rem;
  font-size: .935rem; font-weight: 600; color: var(--ink-3);
  transition: color .2s var(--ease);
}
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px;
  height: 3px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .26s var(--ease);
}
.nav a:hover { color: var(--accent); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--ink); }
/* 詢價鈕在桌機由 .hdr__cta 提供，選單內那顆只在行動版露出 */
.nav__cta { display: none; }

/* ---------- 服務項目下拉選單 ---------- */
.has-sub { position: relative; }
.has-sub > a::before {
  content: ""; position: absolute; right: -12px; top: 50%;
  width: 5px; height: 5px; margin-top: -3px;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg); opacity: .55;
}
.sub {
  display: block;
  position: absolute; left: -14px; top: calc(100% + 1px);
  min-width: 268px; padding: .5rem;
  background: #fff; border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  box-shadow: var(--sh-3);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
}
.has-sub:hover > .sub,
.has-sub:focus-within > .sub { opacity: 1; visibility: visible; transform: none; }
.sub li + li { margin-top: 1px; }
.sub a {
  display: flex; align-items: center; gap: .7rem;
  padding: .6rem .7rem; font-size: var(--fs-sm); font-weight: 500;
  color: var(--ink-2); border-radius: var(--r-sm);
}
.sub a::after { display: none; }
.sub a:hover { background: var(--paper); color: var(--accent); }
.sub .ico { flex: none; width: 26px; height: 26px; color: var(--accent); }
.sub .ico svg { width: 100%; height: 100%; }

@media (max-width: 900px) {
  .has-sub > a::before { display: none; }
  .sub {
    position: static; opacity: 1; visibility: visible; transform: none;
    min-width: 0; box-shadow: none; border: 0; border-left: 2px solid var(--line);
    margin: 0 0 .7rem .3rem; padding: .2rem 0 .2rem .8rem;
  }
  .sub a { padding: .55rem .2rem; font-size: var(--fs-sm); }
}

/* ---------- 服務項目頁的水平圖示選單列 ----------
   風格與主選單的下拉選單一致：白底、頂部銅橘線、圖示＋標籤、hover 轉重點色 */
.svcbar { background: #fff; border-block: 1px solid var(--line); border-top: 3px solid var(--accent); }
.svcbar__in { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: var(--line); }
/* 關於鴻順只有 5 個段落 */
.svcbar__in--5 { grid-template-columns: repeat(5, 1fr); }
.svcbar a {
  display: flex; flex-direction: column; align-items: center; justify-content: flex-start;
  gap: .55rem; padding: 1.25rem .7rem 1.35rem;
  background: #fff; color: var(--ink-2); text-align: center;
  transition: background-color .22s var(--ease), color .22s var(--ease);
}
.svcbar a:hover, .svcbar a:focus-visible { background: var(--paper); color: var(--accent); }
.svcbar .ico { width: 30px; height: 30px; color: var(--accent); }
.svcbar .ico svg { width: 100%; height: 100%; }
.svcbar__tx { font-size: var(--fs-sm); font-weight: 600; line-height: 1.45; text-wrap: balance; }

@media (max-width: 1080px) { .svcbar__in { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 620px) {
  .svcbar__in { grid-template-columns: repeat(2, 1fr); }
  .svcbar a { flex-direction: row; justify-content: flex-start; gap: .6rem; padding: .95rem .8rem; text-align: left; }
  .svcbar .ico { width: 24px; height: 24px; flex: none; }
  .svcbar__tx { font-size: var(--fs-xs); }
}

.hdr__cta { display: flex; align-items: center; gap: .7rem; }
.hdr__tel {
  display: flex; flex-direction: column; line-height: 1.25;
  font-family: "Barlow", sans-serif; text-align: right;
}
.hdr__tel span { font-size: .63rem; letter-spacing: .13em; color: var(--steel-2); text-transform: uppercase; }
.hdr__tel strong { font-size: 1.02rem; font-weight: 700; color: var(--ink); letter-spacing: .01em; }

.burger {
  display: none; width: 44px; height: 44px;
  border: 1px solid var(--line); border-radius: var(--r);
  background: #fff; cursor: pointer;
  align-items: center; justify-content: center;
}
.burger span { position: relative; width: 18px; height: 1.5px; background: var(--ink); transition: background .2s; }
.burger span::before, .burger span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 1.5px; background: var(--ink);
  transition: transform .26s var(--ease), top .2s var(--ease);
}
.burger span::before { top: -6px; }
.burger span::after  { top:  6px; }
.burger[aria-expanded="true"] span { background: transparent; }
.burger[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.burger[aria-expanded="true"] span::after  { top: 0; transform: rotate(-45deg); }

@media (max-width: 1080px) {
  .hdr__tel { display: none; }
}
@media (max-width: 900px) {
  .burger { display: inline-flex; }
  .hdr__cta .btn { display: none; }
  .nav {
    position: fixed; inset: 78px 0 auto 0;
    background: #fff; border-bottom: 1px solid var(--line);
    box-shadow: var(--sh-2);
    max-height: 0; overflow: hidden;
    transition: max-height .34s var(--ease);
  }
  .nav[data-open="true"] { max-height: 78vh; overflow-y: auto; }
  .nav > ul { flex-direction: column; align-items: stretch; gap: 0; padding: .5rem var(--gutter) 1.4rem; }
  .nav > ul > li + li { border-top: 1px solid var(--line-soft); }
  .nav a { padding: 1rem .2rem; font-size: 1.02rem; }
  .nav a::after { display: none; }
  .nav a[aria-current="page"] { color: var(--accent); }
  .nav__cta { display: block; border-top: 0 !important; }
  .nav__cta .btn { margin-top: 1.15rem; width: 100%; justify-content: center; }
}

/* ---------- Hero（2026-08 依客戶回饋改為明亮版）----------
   原本是深色滿版照片＋暗遮罩，客戶反映「背景太暗」。
   改為冷白紙面 × 左文右圖，照片維持局部特寫，版面清爽易讀。 */
.hero { position: relative; background: var(--paper); overflow: hidden; }
.hero__in {
  display: grid; grid-template-columns: 1.22fr 1fr;
  gap: clamp(1.8rem, 1rem + 2.6vw, 3.2rem); align-items: center;
  padding-block: clamp(3rem, 1.8rem + 5vw, 5.6rem);
}
.hero .display { color: var(--ink); margin-top: 1.1rem; text-wrap: balance; }
/* 中文詞組不要被拆行（例：「整合專家」不可斷成「整合專／家」） */
.nb { white-space: nowrap; }
.hero .display em { font-style: normal; color: var(--accent); }
.hero__lead { margin-top: 1.5rem; max-width: 44ch; color: var(--steel); font-size: var(--fs-lead); line-height: 1.9; }
.hero__acts { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.2rem; }
.hero__media { position: relative; }
.hero__media img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: var(--r); box-shadow: var(--sh-2);
}
/* 工程製圖式角標，維持與內頁一致的辨識記號 */
.hero__media::before {
  content: ""; position: absolute; right: -14px; top: -14px;
  width: 88px; height: 88px;
  border-right: 3px solid var(--accent); border-top: 3px solid var(--accent);
  pointer-events: none;
}
@media (max-width: 900px) {
  .hero__in { grid-template-columns: 1fr; }
  .hero .display { max-width: none; }
  .hero__media::before { width: 60px; height: 60px; right: -8px; top: -8px; }
}

/* 內頁小 hero — 同樣改為明亮版 */
.phero { position: relative; background: var(--paper); border-bottom: 1px solid var(--line); overflow: hidden; }
.phero__media { position: absolute; right: 0; top: 0; bottom: 0; width: 42%; }
.phero__media img { width: 100%; height: 100%; object-fit: cover; }
/* 由右側照片往左淡出成紙面，文字區保持高對比 */
.phero__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--paper) 0%, rgba(245,247,248,.72) 42%, rgba(245,247,248,.18) 100%);
}
.phero__in {
  position: relative;
  padding-block: clamp(2.8rem, 1.8rem + 4.5vw, 4.8rem);
  max-width: 62ch;
}
.phero .h1 { color: var(--ink); margin-top: 1rem; }
.phero .lead { color: var(--steel); margin-top: 1.15rem; }
@media (max-width: 860px) {
  .phero__media { display: none; }
}

/* 麵包屑 */
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; font-size: var(--fs-xs); color: var(--steel-2); }
.crumbs a { color: var(--steel); transition: color .2s var(--ease); }
.crumbs a:hover { color: var(--accent); }
.crumbs span[aria-hidden] { color: var(--line); }

/* ---------- 數據條（明亮版）---------- */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-block: 1px solid var(--line);
  background: #fff;
}
.stat { padding: 1.7rem clamp(.8rem, .4rem + 1.2vw, 1.8rem); }
.stat + .stat { border-left: 1px solid var(--line); }
.stat-num {
  display: flex; align-items: baseline; gap: .12rem;
  font-size: clamp(1.85rem, 1.2rem + 2.1vw, 2.85rem);
  font-weight: 700; line-height: 1; letter-spacing: -.02em;
  color: var(--ink); font-variant-numeric: tabular-nums;
}
.stat-num sup { font-size: .44em; font-weight: 600; color: var(--accent); top: -.9em; position: relative; }
.stat-lb { margin-top: .6rem; font-size: var(--fs-xs); line-height: 1.65; color: var(--steel); letter-spacing: .02em; }
@media (max-width: 760px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(odd) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
}

/* ---------- Bento 服務網格（刻意不對稱，避開三等分卡片） ---------- */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.bento > * { background: #fff; }
.cell-3 { grid-column: span 3; }
.cell-2 { grid-column: span 2; }
.cell-4 { grid-column: span 4; }
@media (max-width: 980px) { .cell-3, .cell-2, .cell-4 { grid-column: span 3; } }
@media (max-width: 620px) { .cell-3, .cell-2, .cell-4 { grid-column: span 6; } }

.svc {
  position: relative; display: flex; flex-direction: column;
  padding: clamp(1.5rem, 1rem + 1.5vw, 2.35rem);
  transition: background-color .28s var(--ease);
}
.svc:hover { background: var(--paper); }
.svc__idx {
  font-family: "Barlow", sans-serif; font-size: var(--fs-xs); font-weight: 700;
  letter-spacing: .12em; color: var(--steel-2); font-variant-numeric: tabular-nums;
}
.svc .h3 { margin-top: .9rem; }
.svc__desc { margin-top: .75rem; font-size: var(--fs-sm); line-height: 1.85; color: var(--steel); }
.svc__tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1.15rem; }
.tag {
  font-size: .715rem; font-weight: 600; letter-spacing: .03em;
  padding: .28rem .58rem; border-radius: var(--r-sm);
  background: var(--paper-2); color: var(--ink-3);
}
.svc:hover .tag { background: #fff; }
.svc__go { margin-top: auto; padding-top: 1.5rem; }
.svc__fig { margin: -.4rem 0 0; overflow: hidden; border-radius: var(--r); aspect-ratio: 16 / 10; }
.svc__fig img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s var(--ease); }
.svc:hover .svc__fig img { transform: scale(1.045); }

/* 服務卡整塊可點：外框連結覆蓋，內部連結仍可獨立點擊 */
.svc--link::before { content: ""; position: absolute; inset: 0; z-index: 1; }
.svc--link:focus-within { background: var(--paper); }

/* ---------- 交錯內容區（取代等分三欄） ---------- */
.zig { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 1rem + 4vw, 4.5rem); align-items: center; }
.zig + .zig { margin-top: clamp(3.4rem, 2rem + 5vw, 6rem); }
.zig--flip .zig__media { order: 2; }
.zig__media { position: relative; }
.zig__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--r); }
/* 工程製圖式角標 */
.zig__media::before {
  content: ""; position: absolute; left: -14px; top: -14px;
  width: 74px; height: 74px;
  border-left: 3px solid var(--accent); border-top: 3px solid var(--accent);
  pointer-events: none;
}
.zig__body .h2 { margin-top: .8rem; }
.zig__body .prose { margin-top: 1.15rem; }
@media (max-width: 860px) {
  .zig { grid-template-columns: 1fr; gap: 1.8rem; }
  .zig--flip .zig__media { order: 0; }
}

/* ---------- 條列（工程規格式） ---------- */
.speclist { margin-top: 1.6rem; border-top: 1px solid var(--line); }
.speclist li {
  display: grid; grid-template-columns: 132px 1fr; gap: 1.2rem;
  padding: .95rem 0; border-bottom: 1px solid var(--line);
  font-size: var(--fs-sm); line-height: 1.8;
}
.speclist dt, .speclist b { font-weight: 700; color: var(--ink); }
.speclist span { color: var(--steel); }
@media (max-width: 620px) { .speclist li { grid-template-columns: 1fr; gap: .25rem; } }

.checks { margin-top: 1.4rem; display: grid; gap: .72rem; }
.checks li { position: relative; padding-left: 1.85rem; font-size: var(--fs-sm); line-height: 1.8; color: var(--steel); }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .68em;
  width: 9px; height: 9px; border-radius: 50%;
  border: 2px solid var(--accent);
}
.section--ink .checks li { color: #A9B7BE; }

/* ---------- 實績卡 ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.1rem, .6rem + 1.4vw, 1.9rem); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1.3rem, .7rem + 1.8vw, 2.4rem); }
/* 四項一列，避免 3+1 落單一張 */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1rem, .6rem + 1.2vw, 1.6rem); }
@media (max-width: 1080px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 980px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; } }

.pcard {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  overflow: hidden;
  transition: border-color .26s var(--ease), box-shadow .26s var(--ease), transform .26s var(--ease);
}
.pcard:hover { border-color: var(--ink-3); box-shadow: var(--sh-2); transform: translateY(-3px); }
.pcard__fig { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--paper-2); }
.pcard__fig img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.pcard:hover .pcard__fig img { transform: scale(1.05); }
.pcard__cat {
  position: absolute; left: 12px; top: 12px;
  font-family: "Barlow", sans-serif; font-size: .7rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  padding: .3rem .6rem; border-radius: var(--r-sm);
  background: rgba(14,26,33,.82); color: #fff; backdrop-filter: blur(4px);
}
.pcard__body { display: flex; flex-direction: column; flex: 1; padding: 1.25rem 1.35rem 1.45rem; }
.pcard__body .h3 { font-size: 1.06rem; }
.pcard__body p { margin-top: .55rem; font-size: var(--fs-sm); line-height: 1.8; color: var(--steel); }
.pcard__meta {
  margin-top: auto; padding-top: 1.1rem;
  display: flex; flex-wrap: wrap; gap: .4rem .9rem;
  font-size: var(--fs-xs); color: var(--steel-2);
}

/* ---------- 核心技術：編號清單 ---------- */
.caps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border-block: 1px solid var(--line); }
.caps > li { background: #fff; padding: clamp(1.5rem, 1rem + 1.6vw, 2.4rem); display: flex; gap: 1.3rem; }
.caps .idx {
  flex: none; font-size: .82rem; font-weight: 700; letter-spacing: .1em;
  color: var(--accent); padding-top: .4rem; font-variant-numeric: tabular-nums;
}
.caps p { margin-top: .6rem; font-size: var(--fs-sm); line-height: 1.85; color: var(--steel); }
@media (max-width: 760px) { .caps { grid-template-columns: 1fr; } }

/* ---------- CTA 帶（明亮版）---------- */
.cta { position: relative; overflow: hidden; background: var(--paper-2); border-block: 1px solid var(--line); }
.cta__media { position: absolute; right: 0; top: 0; bottom: 0; width: 46%; }
.cta__media img { width: 100%; height: 100%; object-fit: cover; }
.cta__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--paper-2) 0%, rgba(237,241,242,.78) 46%, rgba(237,241,242,.3) 100%);
}
.cta__in { position: relative; display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(1.8rem, 1rem + 3vw, 4rem); align-items: center; padding-block: clamp(3.2rem, 2rem + 4.5vw, 5.4rem); }
.cta .h2 { color: var(--ink); margin-top: .9rem; }
.cta__lead { margin-top: 1.05rem; color: var(--steel); max-width: 52ch; }
.cta__acts { display: flex; flex-wrap: wrap; gap: .8rem; }
@media (max-width: 860px) {
  .cta__in { grid-template-columns: 1fr; }
  .cta__media { display: none; }
}

/* ---------- 表單 ---------- */
.form { display: grid; gap: 1.15rem; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.15rem; }
@media (max-width: 620px) { .form__row { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: .45rem; }
.field label { font-size: var(--fs-sm); font-weight: 600; color: var(--ink); }
.field label .req { color: var(--accent); margin-left: .2rem; }
.field input, .field textarea, .field select {
  width: 100%; padding: .78rem .95rem;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  font-size: var(--fs-sm); line-height: 1.7;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea { min-height: 148px; resize: vertical; }
.field input:hover, .field textarea:hover, .field select:hover { border-color: var(--steel-2); }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(194, 87, 26, .14);
}
.field .err { font-size: var(--fs-xs); color: #B3261E; min-height: 1.2em; }
.field[data-invalid="true"] input,
.field[data-invalid="true"] textarea,
.field[data-invalid="true"] select { border-color: #B3261E; }
.field .hint { font-size: var(--fs-xs); color: var(--steel-2); }

.form__note { font-size: var(--fs-xs); line-height: 1.75; color: var(--steel-2); }
.form__status {
  display: none; padding: .95rem 1.15rem; border-radius: var(--r);
  font-size: var(--fs-sm); line-height: 1.75;
}
.form__status[data-state="ok"]   { display: block; background: var(--blue-soft); border-left: 3px solid var(--blue); color: var(--ink-2); }
.form__status[data-state="err"]  { display: block; background: #FDECEA; border-left: 3px solid #B3261E; color: #7A1C15; }
.form__status[data-state="busy"] { display: block; background: var(--paper); border-left: 3px solid var(--steel-2); color: var(--steel); }

/* ---------- 製程參數分類表 ---------- */
.params {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; margin-top: 1.4rem;
  background: var(--line); border: 1px solid var(--line);
}
.params__col { background: #fff; padding: 1.1rem 1.2rem 1.3rem; }
.params__col h4 {
  font-size: var(--fs-sm); font-weight: 700; color: #fff;
  background: var(--ink-3); margin: -1.1rem -1.2rem 1rem;
  padding: .6rem 1.2rem; letter-spacing: .04em;
}
.params__col ul { display: grid; gap: .5rem; }
.params__col li {
  position: relative; padding-left: 1rem;
  font-size: var(--fs-sm); line-height: 1.6; color: var(--steel);
}
.params__col li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 5px; height: 5px; background: var(--accent);
}
@media (max-width: 900px) { .params { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .params { grid-template-columns: 1fr; } }

/* ---------- 制度與福利（客戶要求精簡、不佔大版面）---------- */
.benefits { display: grid; grid-template-columns: 1.55fr 1fr; gap: clamp(1.6rem, .9rem + 2.4vw, 3rem); align-items: start; }
.benefits__list { display: grid; grid-template-columns: 104px 1fr; gap: 0; border-top: 1px solid var(--line); }
.benefits__list dt {
  padding: .78rem 0; font-size: var(--fs-sm); font-weight: 700; color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.benefits__list dd {
  margin: 0; padding: .78rem 0 .78rem 1rem;
  font-size: var(--fs-sm); line-height: 1.75; color: var(--steel);
  border-bottom: 1px solid var(--line);
}
/* 活動照僅作點綴：小尺寸、不搶版面 */
.benefits__pics { display: grid; gap: .9rem; }
.benefits__pics figure { margin: 0; }
.benefits__pics img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: var(--r); filter: saturate(.92);
}
.benefits__pics figcaption {
  margin-top: .45rem; font-size: var(--fs-xs); color: var(--steel-2); letter-spacing: .04em;
}
@media (max-width: 860px) {
  .benefits { grid-template-columns: 1fr; }
  .benefits__pics { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .benefits__list { grid-template-columns: 1fr; }
  .benefits__list dt { padding-bottom: .2rem; border-bottom: 0; }
  .benefits__list dd { padding: 0 0 .78rem; }
}

/* ---------- 據點卡 ---------- */
.site-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: clamp(1.5rem, 1rem + 1.5vw, 2.2rem); }
.site-card__hd { display: flex; align-items: baseline; gap: .8rem; padding-bottom: 1.1rem; border-bottom: 1px solid var(--line); }
.site-card__hd .h3 { font-size: 1.2rem; }
.site-card__hd .lat { font-size: var(--fs-xs); letter-spacing: .12em; color: var(--steel-2); text-transform: uppercase; }
.site-card dl { display: grid; grid-template-columns: 74px 1fr; gap: .8rem 1rem; margin-top: 1.25rem; font-size: var(--fs-sm); }
.site-card dt { font-weight: 600; color: var(--steel-2); }
.site-card dd { margin: 0; color: var(--ink-2); }
.site-card dd a { border-bottom: 1px solid var(--line); transition: border-color .2s var(--ease), color .2s var(--ease); }
.site-card dd a:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- Footer ---------- */
.ftr { background: var(--ink); color: #8FA0A8; padding-block: clamp(3rem, 2rem + 3.4vw, 4.6rem) 0; }
.ftr__top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: clamp(1.6rem, .8rem + 2.6vw, 3.2rem); padding-bottom: 3rem; }
@media (max-width: 900px) { .ftr__top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .ftr__top { grid-template-columns: 1fr; } }
.ftr__brand { display: flex; align-items: center; gap: .7rem; }
.ftr__brand img { width: 42px; height: 42px; object-fit: contain; }
.ftr__brand .brand__cn { color: #fff; }
.ftr__brand .brand__en { color: #6B7C84; }
.ftr__about { margin-top: 1.2rem; font-size: var(--fs-sm); line-height: 1.85; max-width: 38ch; }
.ftr h4 { font-size: var(--fs-xs); font-weight: 700; letter-spacing: .15em; text-transform: uppercase; color: #fff; margin-bottom: 1.05rem; }
.ftr__links li + li { margin-top: .62rem; }
.ftr__links a { font-size: var(--fs-sm); transition: color .2s var(--ease); }
.ftr__links a:hover { color: #E2954F; }
.ftr address { font-style: normal; font-size: var(--fs-sm); line-height: 1.85; }
.ftr address + address { margin-top: 1.15rem; }
.ftr address b { display: block; color: #fff; font-weight: 600; }
.ftr address a:hover { color: #E2954F; }
.ftr__bot {
  display: flex; flex-wrap: wrap; align-items: center; gap: .7rem 1.6rem;
  padding-block: 1.5rem; border-top: 1px solid rgba(255,255,255,.1);
  font-size: var(--fs-xs);
}
.ftr__bot nav { display: flex; gap: 1.3rem; margin-left: auto; }
.ftr__bot a:hover { color: #E2954F; }

/* 回到頂端 */
.totop {
  position: fixed; right: clamp(1rem, .4rem + 1.4vw, 2rem); bottom: clamp(1rem, .4rem + 1.4vw, 2rem);
  width: 46px; height: 46px; z-index: 90;
  display: grid; place-items: center;
  background: var(--ink); color: #fff; border: 0; border-radius: 50%;
  box-shadow: var(--sh-2); cursor: pointer;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .28s var(--ease), transform .28s var(--ease), visibility .28s, background-color .2s var(--ease);
}
.totop[data-show="true"] { opacity: 1; visibility: visible; transform: none; }
.totop:hover { background: var(--accent); }

/* ---------- 進場動畫 ---------- */
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .68s var(--ease), transform .68s var(--ease); }
[data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { [data-reveal] { opacity: 1; transform: none; } }

/* ---------- 表格 ---------- */
.tbl { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.tbl th, .tbl td { padding: .85rem 1rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl th { font-size: var(--fs-xs); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--steel-2); background: var(--paper); }
.tbl td { color: var(--steel); }
.tbl td:first-child { font-weight: 600; color: var(--ink); }
.tbl-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); }

/* ---------- 404 ---------- */
.nf { display: grid; place-items: center; text-align: center; min-height: 62vh; padding-block: var(--section); }
.nf .lat { font-size: clamp(4.5rem, 3rem + 9vw, 9rem); font-weight: 800; line-height: 1; color: var(--paper-2); letter-spacing: -.04em; }