/* ============================================================
   yspeled-site 共用樣式（內頁用）
   與首頁 index.html 同一套設計語言：深藍 + LED 橘紅
   ============================================================ */
:root {
  --navy: #0b2a4a;
  --navy-2: #123a63;
  --blue: #1e6fd9;
  --led: #ff5a1f;
  --led-dark: #e64a12;
  --ink: #1a2230;
  --muted: #5b6675;
  --line: #e6ebf2;
  --bg: #f7f9fc;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 6px 22px rgba(11, 42, 74, 0.08);
  --wrap: 1140px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
h1, h2, h3 { line-height: 1.35; margin: 0 0 .5em; text-wrap: balance; }

/* ===== 按鈕 ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-weight: 700;
  font-size: 1rem; cursor: pointer; border: 2px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-led { background: var(--led); color: #fff; box-shadow: 0 8px 20px rgba(255,90,31,.32); }
.btn-led:hover { background: var(--led-dark); }
.btn-line { background: #06c755; color: #fff; box-shadow: 0 8px 20px rgba(6,199,85,.28); }
.btn-outline { background: #fff; color: var(--navy); border-color: var(--line); box-shadow: var(--shadow); }

/* ===== 導覽列 ===== */
header.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--navy); font-size: 1.15rem; }
.logo .mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--led), #ff8a3d);
  display: grid; place-items: center; color: #fff; font-size: .8rem; font-weight: 800;
  box-shadow: 0 4px 10px rgba(255,90,31,.4);
}
.logo small { display: block; font-size: .68rem; color: var(--muted); font-weight: 600; letter-spacing: .04em; }
nav.menu { display: flex; align-items: center; gap: 24px; }
nav.menu a { color: var(--ink); font-weight: 600; font-size: .96rem; }
nav.menu a:hover, nav.menu a.on { color: var(--blue); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-cta .btn { padding: 9px 18px; font-size: .9rem; }
.burger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.burger span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px 0; border-radius: 2px; }

/* ===== 頁首橫幅 ===== */
.page-hero {
  background:
    radial-gradient(900px 340px at 85% -20%, rgba(30,111,217,.35), transparent 60%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 70%, #0e3358 100%);
  color: #fff; padding: 52px 0 56px;
}
.page-hero .eyebrow {
  color: #ffb37a; font-weight: 700; letter-spacing: .12em;
  font-size: .8rem; text-transform: uppercase; margin-bottom: 8px;
}
.page-hero h1 { font-size: clamp(1.6rem, 4.2vw, 2.4rem); }
.page-hero .lede { color: #cfe0f5; max-width: 720px; margin: 12px 0 0; font-size: 1.02rem; }
.crumb { font-size: .84rem; color: #9db8d9; margin-bottom: 16px; }
.crumb a { color: #9db8d9; }
.crumb a:hover { color: #fff; }
.crumb .sep { margin: 0 7px; opacity: .6; }

/* ===== 內容區 ===== */
main.page { padding: 48px 0 8px; }
.prose { max-width: 780px; }
.prose p { margin: 0 0 1em; color: var(--ink); }
.prose ul { padding-left: 1.3em; margin: 0 0 1.2em; }
.prose li { margin-bottom: .45em; }
.prose h2 { font-size: 1.35rem; color: var(--navy); margin-top: 1.6em; }
.prose h3 { font-size: 1.12rem; color: var(--navy); margin-top: 1.4em; }
.prose .lead { font-size: 1.06rem; }
.prose strong { color: var(--navy); }
.answer-first {
  background: linear-gradient(100deg, rgba(255,90,31,.08), rgba(255,90,31,.02));
  border: 1px solid rgba(255,90,31,.25); border-left: 4px solid var(--led);
  border-radius: 12px; padding: 16px 20px; margin: 0 0 1.6em;
}
.answer-first b { color: var(--led-dark); }

/* 表格 */
.tbl-scroll { overflow-x: auto; margin: 0 0 1.4em; }
table.spec { border-collapse: collapse; width: 100%; min-width: 520px; background: #fff;
  border: 1px solid var(--line); border-radius: 10px; overflow: hidden; font-size: .95rem; }
table.spec th, table.spec td { padding: 10px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
table.spec th { background: #eef3fa; color: var(--navy); font-weight: 700; white-space: nowrap; }
table.spec tr:last-child td { border-bottom: 0; }

/* 卡片格 */
.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 22px; box-shadow: var(--shadow); display: block;
  transition: transform .18s ease, box-shadow .18s ease;
}
a.card:hover { transform: translateY(-4px); box-shadow: 0 14px 32px rgba(11,42,74,.13); }
.card .ico {
  width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, #eaf2ff, #dbe9ff); font-size: 1.3rem; margin-bottom: 12px;
}
.card h3 { font-size: 1.08rem; color: var(--navy); margin-bottom: .3em; }
.card p { color: var(--muted); font-size: .93rem; margin: 0; }

/* 自動圖庫 */
.gallery {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px; margin: 0 0 1.6em;
}
.gallery img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: 12px; border: 1px solid var(--line); box-shadow: var(--shadow);
}

/* 照片縮圖卡片（產品/實績列表） */
.card-photo { padding: 0; overflow: hidden; }
.card-photo .card-thumb { aspect-ratio: 16 / 10; background: linear-gradient(135deg, #eaf2ff, #dbe9ff); }
.card-photo .card-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-thumb-ico { display: grid; place-items: center; font-size: 2.6rem; }
.card-photo .card-body { padding: 18px 20px 22px; }
.card-photo .card-body h3 { color: var(--navy); margin-bottom: .3em; }
.card-photo .card-body p { color: var(--muted); font-size: .93rem; margin: 0; }
.logo .mark-logo { object-fit: contain; }

/* 更新中素材占位 */
.todo-media {
  border: 2px dashed #c9d6e6; border-radius: var(--radius); background: #eef3fa;
  color: #7288a3; text-align: center; padding: 42px 20px; font-size: .92rem; margin: 0 0 1.4em;
}

/* ===== CTA 帶 ===== */
.cta-band { padding: 40px 0 64px; }
.cta {
  background: linear-gradient(135deg, var(--led), #ff8a3d); color: #fff; text-align: center;
  border-radius: 20px; padding: 42px 24px; box-shadow: 0 18px 40px rgba(255,90,31,.28);
}
.cta h2 { color: #fff; font-size: clamp(1.3rem, 3vw, 1.7rem); }
.cta p { color: #fff2ea; margin: 0 auto 22px; max-width: 560px; }
.cta .btn-outline { background: #fff; color: var(--led-dark); border-color: transparent; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ===== 頁尾 ===== */
footer.site { background: var(--navy); color: #b9cbe4; padding: 50px 0 26px; }
footer.site .cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 34px; }
footer.site h4 { color: #fff; font-size: 1rem; margin: 0 0 14px; }
footer.site a { color: #b9cbe4; display: block; padding: 4px 0; }
footer.site a:hover { color: #fff; }
footer.site .brand { color: #fff; font-weight: 800; font-size: 1.15rem; margin-bottom: 10px; }
.foot-bottom {
  border-top: 1px solid rgba(255,255,255,.12); margin-top: 34px; padding-top: 20px;
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; font-size: .86rem; color: #8ba4c4;
}

/* ===== 響應式 ===== */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  footer.site .cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  nav.menu { display: none; }
  .burger { display: block; }
  nav.menu.open {
    display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
    position: absolute; top: 66px; left: 0; right: 0; background: #fff;
    border-bottom: 1px solid var(--line); padding: 14px 20px; box-shadow: var(--shadow);
  }
  nav.menu.open a { padding: 10px 0; width: 100%; border-bottom: 1px solid var(--line); }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  footer.site .cols { grid-template-columns: 1fr; }
}

/* ============================================================
   霓虹炫彩 LED 科技視覺（點綴級發光，不犧牲可讀性）
   靈感＝logo 的藍+橘光暈。深藍 hero 可較炫，淺色內容區保持乾淨。
   所有動畫在 prefers-reduced-motion 下自動關閉（見檔尾）。
   ============================================================ */

/* 深藍頁首：加緩慢漂移的藍/橘光暈 + 底部漸層光帶（科技感、低調） */
.page-hero { position: relative; overflow: hidden; }
.page-hero .wrap { position: relative; z-index: 1; }
.page-hero::before {
  content: ""; position: absolute; inset: -40% -12%; z-index: 0; pointer-events: none;
  background:
    radial-gradient(closest-side, rgba(255,90,31,.20), transparent 70%) 18% 28% / 46% 58% no-repeat,
    radial-gradient(closest-side, rgba(30,111,217,.26), transparent 70%) 82% 64% / 52% 62% no-repeat;
  filter: blur(18px); opacity: .85;
  animation: heroGlow 18s ease-in-out infinite alternate;
}
.page-hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; z-index: 1;
  background: linear-gradient(90deg, transparent, var(--led) 30%, var(--blue) 70%, transparent);
  opacity: .7;
}
@keyframes heroGlow {
  0%   { transform: translate3d(-3%, -2%, 0) scale(1); }
  100% { transform: translate3d(4%, 3%, 0) scale(1.12); }
}
/* 頁首標題：深色底上的柔和發光，維持字體銳利 */
.page-hero h1 { text-shadow: 0 0 22px rgba(30,111,217,.35), 0 2px 10px rgba(0,0,0,.25); }

/* LED 主按鈕：hover 加強發光暈（點綴，不常駐跑馬） */
.btn-led { transition: transform .15s ease, box-shadow .25s ease, background .15s ease; }
.btn-led:hover {
  box-shadow: 0 8px 22px rgba(255,90,31,.42), 0 0 22px rgba(255,90,31,.5);
}
.btn-line:hover { box-shadow: 0 8px 22px rgba(6,199,85,.4), 0 0 18px rgba(6,199,85,.45); }
/* 導覽列 LINE 鈕 hover 也給一點光 */
.nav-cta .btn-line:hover { box-shadow: 0 6px 16px rgba(6,199,85,.4), 0 0 14px rgba(6,199,85,.5); }

/* 卡片：hover 時亮起 LED 藍色邊框光暈（淺色區只在互動時發光，平時乾淨） */
a.card { transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
a.card:hover {
  border-color: rgba(30,111,217,.55);
  box-shadow: 0 14px 32px rgba(11,42,74,.13), 0 0 0 1px rgba(30,111,217,.25), 0 0 18px rgba(30,111,217,.22);
}
/* 內文重點連結 hover：藍色文字光暈 */
.prose a[href]:hover { text-shadow: 0 0 10px rgba(30,111,217,.35); }

/* 漸層點綴分隔線工具（藍→橘），可用於區塊之間 */
.led-divider {
  height: 2px; border: 0; margin: 2.2em 0;
  background: linear-gradient(90deg, transparent, var(--led), var(--blue), transparent);
  opacity: .6;
}

/* 尊重使用者「減少動態」偏好：關閉所有發光動畫（保留靜態光暈、不閃動） */
@media (prefers-reduced-motion: reduce) {
  .page-hero::before { animation: none; }
  * { scroll-behavior: auto; }
}

/* ============ 手機底部固定雙鍵 CTA（<768px 才出現）============ */
.m-cta { display: none; }
@media (max-width: 767px) {
  .m-cta {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
    box-shadow: 0 -4px 16px rgba(11,42,74,.18);
    padding-bottom: env(safe-area-inset-bottom);
    background: #fff;
  }
  .m-cta a {
    flex: 1; text-align: center; padding: 13px 6px; font-weight: 800; font-size: .98rem;
    text-decoration: none; letter-spacing: .02em;
  }
  .m-cta .m-cta-call { background: var(--navy); color: #fff; }
  .m-cta .m-cta-line { background: #06c755; color: #fff; }
  /* 讓頁尾內容不被固定列蓋住 */
  body { padding-bottom: calc(52px + env(safe-area-inset-bottom)); }
}

/* ============ QA 配圖 ============ */
.qa-figure { margin: 0 0 1.6em; text-align: center; }
.qa-figure img { max-width: 640px; width: 100%; height: auto; }

/* FAQ 索引卡片：標題加大一號（Jason 指示） */
.faq-index .card h3 { font-size: 1.22rem; }