:root { --red: #e02c26; --ink: #1f2329; --muted: #646a73; --line: #e5e6eb; --bg: #f6f7f9; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.6 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }
.top { background: #fff; border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 10px; height: 56px; }
.brand { font-weight: 600; font-size: 16px; color: var(--ink); text-decoration: none; }
.tag { font-size: 12px; color: var(--red); border: 1px solid #f5c2c0; border-radius: 4px; padding: 0 6px; }
main { padding: 24px 0 8px; }
.hero { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 40px; margin: 8px 0 20px; }
.hero h1 { margin: 0 0 8px; font-size: 26px; }
.lead { color: var(--muted); font-size: 15px; margin: 0 0 20px; }
.connect, .search { display: flex; gap: 8px; max-width: 560px; }
.search { max-width: none; margin: 12px 0; }
input { flex: 1; height: 38px; border: 1px solid #d0d3d6; border-radius: 6px; padding: 0 12px; font-size: 14px; }
input:focus { outline: none; border-color: var(--red); }
.btn { display: inline-block; background: var(--red); color: #fff; border: 0; border-radius: 6px; height: 38px; padding: 0 18px; font-size: 14px; cursor: pointer; text-decoration: none; line-height: 38px; white-space: nowrap; }
.btn.sm { height: 28px; line-height: 28px; padding: 0 12px; font-size: 13px; margin-left: 8px; }
.btn.ghost { background: #fff; color: var(--ink); border: 1px solid #d0d3d6; }
.btn[disabled] { opacity: .5; cursor: default; }
.link { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 13px; padding: 0; }
.link:hover { color: var(--red); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 20px 24px; margin-bottom: 16px; }
.steps .card p { color: var(--muted); margin: 6px 0 0; }
.card h3 { margin: 0 0 6px; font-size: 16px; }
.card-title { margin-bottom: 12px; }
.muted { color: var(--muted); font-size: 13px; }
.head-row { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 16px; }
.head-row h2 { margin: 0; font-size: 20px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.stats div { background: var(--bg); border-radius: 6px; padding: 14px 16px; }
.stats span { color: var(--muted); font-size: 13px; display: block; }
.stats b { font-size: 26px; display: block; margin: 2px 0; }
.stats small { color: var(--muted); }
.alert { border-radius: 6px; padding: 10px 14px; margin-bottom: 12px; }
.alert.err { background: #fff1f0; color: #a8071a; }
.alert.warn { background: #fff7e6; color: #874d00; }
table.list { width: 100%; border-collapse: collapse; margin-top: 12px; }
.list th, .list td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.list th { color: var(--muted); font-weight: normal; font-size: 13px; }
#results .row { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px dashed var(--line); gap: 12px; }
.pill { font-size: 12px; border-radius: 4px; padding: 0 6px; margin-left: 6px; background: var(--bg); color: var(--muted); }
.pill.on { color: var(--red); border: 1px solid #f5c2c0; background: #fff; }
.guide ol { margin: 8px 0 0; padding-left: 20px; }
.guide li { margin-bottom: 6px; }
.events { list-style: none; padding: 0; margin: 0; }
.events li { padding: 4px 0; }
.events li.error { color: #a8071a; }
.events li.warn { color: #874d00; }
.foot { color: var(--muted); font-size: 12px; padding: 16px 24px 40px; }
@media (max-width: 720px) { .steps, .stats { grid-template-columns: 1fr; } .hero { padding: 24px; } }