* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; background: #f6f7f9; color: #1a1a1a; }
h2 { margin: 0 0 8px; font-size: 20px; }
h3 { margin: 20px 0 8px; font-size: 15px; color: #444; }
.bar { position: sticky; top: 0; z-index: 5; background: #fff; padding: 12px 16px; border-bottom: 1px solid #eee; }
.wrap { padding: 16px; padding-bottom: 72px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.card { background: #fff; border-radius: 12px; padding: 16px; text-decoration: none; color: inherit; display: flex; flex-direction: column; gap: 6px; }
.card span { color: #888; font-size: 12px; }
.row { display: flex; justify-content: space-between; align-items: center; gap: 12px; background: #fff; padding: 14px 16px; margin-bottom: 8px; border-radius: 10px; text-decoration: none; color: inherit; }
.row em { color: #999; font-style: normal; font-size: 12px; }
.row button { border: 1px solid #1677ff; color: #1677ff; background: #fff; border-radius: 8px; padding: 6px 12px; font-size: 14px; }
.row button[disabled] { opacity: .5; }
.btn { display: block; width: 100%; margin: 12px 0; padding: 14px; background: #1677ff; color: #fff; border: 0; border-radius: 10px; font-size: 16px; text-align: center; text-decoration: none; }
.btn.ghost { background: #fff; color: #1677ff; border: 1px solid #1677ff; }
.btn.small { width: auto; margin: 0; padding: 0 14px; }
.btn[disabled] { opacity: .5; }
.in { width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 8px; margin-bottom: 8px; font-size: 16px; background: #fff; }
.row-inline { display: flex; gap: 8px; align-items: flex-start; }
.row-inline .in { flex: 1; }
.out { background: #111; color: #0f0; padding: 12px; border-radius: 8px; font-size: 12px; white-space: pre-wrap; word-break: break-all; min-height: 0; }
.out:empty { display: none; }
.muted { color: #999; }
.warn { background: #fff7e6; border: 1px solid #ffd591; color: #ad6800; padding: 10px 12px; border-radius: 8px; font-size: 13px; margin: 12px 0; }
.err { background: #fff1f0; border: 1px solid #ffa39e; color: #a8071a; padding: 10px 12px; border-radius: 8px; font-size: 13px; margin: 12px 0; }
.ok { background: #f6ffed; border: 1px solid #b7eb8f; color: #237804; padding: 10px 12px; border-radius: 8px; font-size: 13px; margin: 12px 0; }
.chips { display: flex; gap: 8px; overflow-x: auto; margin-bottom: 12px; }
.chip { flex: none; padding: 6px 12px; border-radius: 999px; background: #fff; color: #555; text-decoration: none; font-size: 13px; border: 1px solid #eee; }
.chip.on { background: #1677ff; color: #fff; border-color: #1677ff; }
.mask { position: fixed; inset: 0; background: rgba(0, 0, 0, .35); display: flex; align-items: center; justify-content: center; z-index: 50; }
.mask.hide { display: none; }
.mask-box { background: #fff; padding: 20px 28px; border-radius: 12px; font-size: 15px; }
.tab { position: fixed; bottom: 0; left: 0; right: 0; display: flex; background: #fff; border-top: 1px solid #eee; padding-bottom: env(safe-area-inset-bottom); }
.tab a { flex: 1; text-align: center; padding: 12px; text-decoration: none; color: #555; }