/* 羽球迹官网共享样式 — 深色主题, 与 App 内配色一致 */
:root {
  --bg: #0d0f17;
  --card: #191c2b;
  --line: #262a3d;
  --text: #ffffff;
  --muted: #8b90a3;
  --accent: #00bff2;
  --accent-soft: rgba(0, 191, 242, 0.12);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  background-image: radial-gradient(circle at 50% -10%, #14243a 0%, var(--bg) 60%);
  background-attachment: fixed;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue",
    "Microsoft YaHei", sans-serif;
  line-height: 1.75;
  font-size: 16px;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 72px;
}

header.site {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 30px;
}

header.site .logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent) 0%, #4f7dff 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

header.site .name { font-size: 18px; font-weight: 700; }
header.site .sub { font-size: 12px; color: var(--muted); }

h1 { font-size: 27px; line-height: 1.4; margin: 0 0 10px; font-weight: 800; }
h2 {
  font-size: 19px;
  margin: 38px 0 12px;
  font-weight: 700;
  padding-left: 11px;
  border-left: 3px solid var(--accent);
}
h3 { font-size: 15px; margin: 22px 0 6px; font-weight: 600; }

p { margin: 10px 0; color: #d6d9e4; }
.lead { font-size: 16px; color: var(--muted); margin-bottom: 26px; }
.muted { color: var(--muted); font-size: 13px; }

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

ul { padding-left: 22px; margin: 10px 0; }
li { margin: 7px 0; color: #d6d9e4; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 20px;
  margin: 14px 0;
}
.card h3 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 16px; }
@media (max-width: 620px) { .grid { grid-template-columns: 1fr; } }

.tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  padding: 3px 12px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 14px;
}

.mail {
  display: inline-block;
  background: var(--accent);
  color: #04121a;
  font-weight: 700;
  padding: 11px 22px;
  border-radius: 12px;
  margin-top: 8px;
}
.mail:hover { text-decoration: none; opacity: 0.88; }

nav.links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

footer.site {
  margin-top: 26px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.9;
}

table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; white-space: nowrap; }
td { color: #d6d9e4; }
.scroll-x { overflow-x: auto; }