:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #1f2a37;
  --muted: #6b7280;
  --brand: #2f6fed;
  --line: #e5e7eb;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; vertical-align: middle; }

.wrap {
  max-width: 720px;
  margin: 0 auto;
  min-height: 100vh;
  background: #fff;
}

.page-head {
  padding: 16px 16px 8px;
  border-bottom: 1px solid var(--line);
}
.page-head h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}
.page-head .crumb {
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted);
}

.page-body {
  padding: 0 0 40px;
  overflow-x: hidden;
}
.page-body .bfm-box-main { width: 100% !important; }
.page-body a { color: var(--brand); }

.children {
  margin: 12px 16px 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.children a {
  display: block;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}
.children a:last-child { border-bottom: none; }

.home {
  padding: 24px 16px 40px;
}
.home h1 {
  margin: 0 0 8px;
  font-size: 22px;
}
.home p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 14px;
}
.section-list {
  display: grid;
  gap: 12px;
}
.section-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.section-card strong { font-size: 16px; }
.section-card span { color: var(--muted); font-size: 13px; }

.empty {
  padding: 40px 16px;
  text-align: center;
  color: var(--muted);
}