/* CourtShot 官網：白瓷底、朱紅（跟 App 圖示同一組顏色），深色模式跟著系統。 */
:root {
  --bg: #F8F5F0;
  --surface: #FFFFFF;
  --ink: #1C1916;
  --muted: #6B625A;
  --line: #E4DCD1;
  --accent: #C8102E;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131211;
    --surface: #1D1B19;
    --ink: #F3EFE9;
    --muted: #A79F95;
    --line: #2F2B27;
    --accent: #EF4A5F;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.75 -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  -webkit-text-size-adjust: 100%;
}

.wrap { max-width: 760px; margin: 0 auto; padding-inline: 20px; }

header.site {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  padding-block: 20px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.02em;
}

.brand img { width: 40px; height: 40px; border-radius: 10px; }

nav { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 15px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--ink); }

h1, h2, h3 { text-wrap: balance; line-height: 1.3; }
h1 { font-size: clamp(30px, 6vw, 44px); margin: 44px 0 16px; letter-spacing: 0.01em; }
h2 { font-size: 22px; margin: 48px 0 12px; }
h3 { font-size: 17px; margin: 0 0 6px; }

.hero-en { font-size: clamp(26px, 5vw, 36px); margin-top: 8px; }
.lead { font-size: 19px; }
.meta, .note { color: var(--muted); font-size: 15px; }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 14px;
  margin-block: 28px;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
}

.feature p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }

.panel { border-left: 3px solid var(--accent); padding-left: 18px; }

ul { padding-left: 1.2em; }
li { margin-block: 6px; }
a { color: var(--accent); }

code {
  font: 0.85em ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1px 6px;
  overflow-wrap: anywhere;
}

.lang { margin-top: 72px; padding-top: 24px; border-top: 1px solid var(--line); }
.lang-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

footer {
  margin-top: 64px;
  padding-block: 24px 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

footer a { color: var(--muted); }