/* 桌伴 TableMate — 靜態說明頁共用樣式（無需 JS／登入即可閱讀） */
:root {
  --bg-main: #F7F4EB;
  --bg-surface: #E3DAC9;
  --text-main: #2C221E;
  --navy: #1F5A85;
  --navy-hover: #15456b;
  --brown: #5d4037;
  --accent: #8d6e63;
  --card: #fffdf8;
  --border: #cbbba8;
  --muted: #5c5048;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(ellipse at top, rgba(31, 90, 133, 0.06), transparent 55%),
    linear-gradient(180deg, #F7F4EB 0%, #EFE8DA 100%);
  color: var(--text-main);
  line-height: 1.75;
  min-height: 100vh;
}

a { color: var(--navy); }
a:hover { color: var(--navy-hover); }

.sp-top {
  background: var(--navy);
  color: #f8fafc;
  border-bottom: 3px solid var(--text-main);
  box-shadow: 0 2px 0 rgba(44, 34, 30, 0.15);
}
.sp-top__inner {
  max-width: 820px;
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.sp-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.sp-brand img {
  height: 40px;
  width: auto;
  object-fit: contain;
  background: #fffdf8;
  border-radius: 10px;
  border: 2px solid var(--text-main);
}
.sp-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-size: 0.88rem;
}
.sp-nav a {
  color: #e2e8f0;
  text-decoration: none;
  font-weight: 600;
}
.sp-nav a:hover { color: #fff; text-decoration: underline; }
.sp-nav a.is-active {
  color: #fde68a;
  text-decoration: underline;
}

.sp-wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 28px 18px 56px;
}

.sp-hero {
  background: var(--card);
  border: 2px solid var(--text-main);
  border-radius: 18px;
  box-shadow: 4px 4px 0 var(--text-main);
  padding: 28px 24px;
  margin-bottom: 22px;
}
.sp-hero h1 {
  margin: 0 0 10px;
  font-size: 1.65rem;
  color: var(--navy);
  line-height: 1.35;
}
.sp-hero .lead {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}
.sp-meta {
  margin-top: 14px;
  font-size: 0.82rem;
  color: var(--accent);
}

.sp-card {
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 22px 22px 18px;
  margin-bottom: 16px;
  box-shadow: 2px 2px 0 rgba(44, 34, 30, 0.08);
}
.sp-card h2 {
  margin: 0 0 12px;
  font-size: 1.15rem;
  color: var(--brown);
  border-bottom: 2px solid var(--bg-surface);
  padding-bottom: 8px;
}
.sp-card h3 {
  margin: 18px 0 8px;
  font-size: 1rem;
  color: var(--navy);
}
.sp-card p { margin: 0 0 10px; color: var(--muted); font-size: 0.95rem; }
.sp-card ul, .sp-card ol {
  margin: 0 0 10px;
  padding-left: 1.35rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.sp-card li { margin-bottom: 6px; }
.sp-card strong { color: var(--text-main); }

.sp-toc {
  background: #f3eee4;
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}
.sp-toc strong { display: block; margin-bottom: 6px; color: var(--brown); }
.sp-toc a { margin-right: 12px; white-space: nowrap; }

.sp-cta {
  display: inline-block;
  margin-top: 8px;
  background: var(--navy);
  color: #fff !important;
  text-decoration: none;
  font-weight: 800;
  padding: 11px 20px;
  border-radius: 12px;
  border: 2px solid var(--text-main);
  box-shadow: 2px 2px 0 var(--text-main);
}
.sp-cta:hover { background: var(--navy-hover); color: #fff !important; }

.sp-foot {
  text-align: center;
  font-size: 0.82rem;
  color: var(--accent);
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.sp-foot a { margin: 0 6px; }

/* 雙語：與主站相同 class 切換 */
body.lang-zh .lang-en { display: none !important; }
body.lang-en .lang-zh { display: none !important; }

.sp-lang-toggle {
  background: rgba(255, 255, 255, 0.15);
  color: #f8fafc;
  border: 1px solid rgba(248, 250, 252, 0.45);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  flex-shrink: 0;
}
.sp-lang-toggle:hover { background: rgba(255, 255, 255, 0.28); }

@media (max-width: 560px) {
  .sp-hero h1 { font-size: 1.35rem; }
  .sp-card { padding: 18px 16px 14px; }
}