:root {
  --ink: #0f172a;
  --ink-2: #475569;
  --ink-3: #94a3b8;
  --line: #e8edf3;
  --bg: #f7f9fc;
  --card: #ffffff;
  --accent: #1e88e5;
  --accent-d: #1565c0;
  --accent-soft: #e8f1fc;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px rgba(15, 23, 42, .06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.container { width: 100%; max-width: 680px; margin: 0 auto; padding: 0 20px; }

/* topbar */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.bar-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.bar-right { display: flex; align-items: center; gap: 10px; }
.brand-back { font-size: 13px; font-weight: 600; color: var(--ink-2); padding: 5px 12px; border-radius: 999px; border: 1px solid var(--line); transition: background .15s, color .15s; }
.brand-back:hover { background: var(--accent-soft); color: var(--accent); }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(135deg, #1e88e5, #42a5f5);
  color: #fff; font-size: 16px; font-weight: 800;
  display: grid; place-items: center;
}
.brand-text { font-size: 16px; letter-spacing: .3px; }
.brand-tag { font-size: 12px; color: var(--accent); background: var(--accent-soft); padding: 4px 10px; border-radius: 999px; font-weight: 600; }

/* hero */
.hero { padding: 44px 0 8px; }
.eyebrow { font-size: 13px; font-weight: 700; color: var(--accent); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 12px; }
.hero h1 { font-size: 30px; line-height: 1.25; font-weight: 760; letter-spacing: -.5px; }
.lede { margin-top: 14px; color: var(--ink-2); font-size: 15.5px; }
.lede strong { color: var(--ink); }

/* card */
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 24px; margin: 22px 0;
}

/* form */
.form-card { padding: 22px; }
.field { display: block; margin-bottom: 16px; }
.field-label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink); margin-bottom: 7px; }
.field-label em { color: #e53935; font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 13px; font-size: 15px; font-family: inherit;
  border: 1px solid var(--line); border-radius: 11px; background: #fcfdff; color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft);
}
.field textarea { resize: vertical; }
.field-row { display: flex; gap: 14px; }
.field-row .field { flex: 1; }
.field-hint { display: block; font-size: 12px; color: var(--ink-3); margin-top: 6px; }
.field-hint.ok { color: #16a34a; }
.field-hint.warn { color: #d97706; }

.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  width: 100%; padding: 13px 18px; font-size: 15.5px; font-weight: 700;
  color: #fff; background: var(--accent); border: none; border-radius: 12px;
  cursor: pointer; transition: background .15s, transform .1s;
}
.btn-primary:hover { background: var(--accent-d); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 6px; padding: 11px 18px;
  font-size: 14.5px; font-weight: 600; color: var(--accent);
  background: var(--accent-soft); border: none; border-radius: 11px; cursor: pointer;
}
.btn-copy {
  padding: 11px 16px; font-size: 14px; font-weight: 600; color: var(--accent);
  background: #fff; border: 1px solid var(--accent); border-radius: 11px; cursor: pointer;
  white-space: nowrap; transition: background .15s;
}
.btn-copy:hover { background: var(--accent-soft); }

/* result */
.result { margin-top: 22px; padding-top: 20px; border-top: 1px dashed var(--line); }
.result-title { font-size: 16px; font-weight: 700; color: #16a34a; }
.result-desc { font-size: 13.5px; color: var(--ink-2); margin: 6px 0 12px; }
.result-row { display: flex; gap: 10px; }
.result-row input {
  flex: 1; padding: 11px 13px; font-size: 13px; font-family: ui-monospace, monospace;
  border: 1px solid var(--line); border-radius: 11px; background: #f8fafc; color: var(--ink-2);
}
.result-preview { display: inline-block; margin-top: 12px; font-size: 14px; font-weight: 600; color: var(--accent); }

.foot-note { font-size: 12.5px; color: var(--ink-3); text-align: center; padding: 4px 10px 8px; line-height: 1.7; }

/* match card */
.match-card { padding: 26px; }
.match-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.match-badge {
  font-size: 13px; font-weight: 700; color: var(--accent-d);
  background: var(--accent-soft); padding: 5px 12px; border-radius: 999px;
}
.match-status { font-size: 12.5px; color: #16a34a; font-weight: 600; }
.match-status::before { content: "● "; }
.match-title { font-size: 24px; font-weight: 740; margin-bottom: 16px; }
.match-info { list-style: none; margin-bottom: 20px; }
.match-info li { display: flex; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.match-info li:last-child { border-bottom: none; }
.mi-k { flex: 0 0 72px; color: var(--ink-3); font-size: 13.5px; }
.mi-v { flex: 1; color: var(--ink); }
.match-actions { display: flex; gap: 12px; margin-bottom: 14px; }
.match-actions .btn-primary { width: auto; flex: 1; }
.match-contact {
  display: flex; align-items: center; gap: 10px; padding: 12px 14px;
  background: #f8fafc; border: 1px solid var(--line); border-radius: 12px; margin-bottom: 12px;
}
.mc-type { font-size: 12px; font-weight: 700; color: #fff; background: var(--ink-3); padding: 3px 9px; border-radius: 999px; }
.mc-value { font-size: 15px; font-weight: 700; font-family: ui-monospace, monospace; }
.match-foot { font-size: 12.5px; color: var(--ink-3); line-height: 1.7; }

/* wx tip */
.wx-tip {
  background: #fff7e6; color: #92400e; font-size: 13px;
  padding: 11px 20px; text-align: center; border-bottom: 1px solid #fde68a;
}

/* empty */
.empty { text-align: center; padding: 40px 24px; }
.empty-mark { font-size: 40px; margin-bottom: 10px; }
.empty-title { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.empty-desc { font-size: 14px; color: var(--ink-2); margin-bottom: 18px; line-height: 1.7; }

/* 入会二维码 + 会议号 */
.match-qr { text-align: center; margin: 18px 0 4px; }
.qr-box {
  display: inline-block;
  background: #fff;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  line-height: 0;
}
.qr-box svg { width: 168px; height: 168px; display: block; }
.qr-tip { font-size: 12px; color: var(--ink-3); margin-top: 8px; }
.qr-fallback { font-size: 12.5px; color: #a32d2d; margin: 0; padding: 8px 4px; }

/* footer */
.site-footer { padding: 28px 0 40px; text-align: center; }
.site-footer .muted { font-size: 12.5px; color: var(--ink-3); }

/* 倒计时 */
.countdown { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--accent); letter-spacing: .5px; }

/* 互评结果卡 */
.fb-result .fb-by { font-size: 13px; color: var(--ink-2); margin: -6px 0 14px; }
.fb-scores { list-style: none; display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.fb-scores li { display: flex; align-items: center; justify-content: space-between; font-size: 14px; }
.fb-scores .mi-v { color: #f59e0b; letter-spacing: 2px; }
.fb-scores .mi-v em { color: var(--ink-2); font-style: normal; font-size: 13px; letter-spacing: 0; margin-left: 4px; }
.fb-suggest-box { background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; margin-bottom: 18px; }
.fb-suggest-box .mi-k { font-size: 12px; color: var(--ink-3); display: block; margin-bottom: 4px; }
.fb-suggest-box p { font-size: 14px; color: var(--ink); }

/* 子面板（互评 / 录音） */
.sub-panel { margin-top: 18px; padding-top: 18px; border-top: 1px dashed var(--line); }
.sub-title { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.sub-desc { font-size: 13px; color: var(--ink-2); margin-bottom: 14px; line-height: 1.6; }
.fb-dims { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; margin-bottom: 14px; }
.fb-dim { display: flex; align-items: center; justify-content: space-between; font-size: 13.5px; }
.fb-dim select { padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; font-size: 14px; color: var(--ink); }

/* 录音复盘 */
.rec-live { margin: 12px 0; padding: 12px 14px; background: #fff; border: 1px solid var(--line); border-radius: 12px; font-size: 14px; color: var(--ink); min-height: 44px; max-height: 200px; overflow-y: auto; line-height: 1.7; }
.rec-out { margin-top: 14px; }
.rec-stat { display: flex; align-items: center; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.rec-stat span { color: var(--ink-2); }
.rec-stat b { color: var(--ink); font-variant-numeric: tabular-nums; }
.rec-fill { font-size: 13px; color: var(--ink-2); margin-top: 8px; }
.rec-tips { background: var(--accent-soft); border-radius: 12px; padding: 12px 14px; margin-top: 12px; }
.rec-tips b { font-size: 13.5px; color: var(--accent-d); }
.rec-tips ul { margin: 8px 0 0; padding-left: 18px; font-size: 13.5px; color: var(--ink); }
.rec-tips li { margin-bottom: 4px; }
.rec-trans { margin-top: 12px; font-size: 13px; color: var(--ink-2); }
.rec-trans p { margin-top: 6px; line-height: 1.7; }
.btn-primary.recording { background: #dc2626; box-shadow: 0 0 0 0 rgba(220,38,38,.5); animation: recpulse 1.4s infinite; }
@keyframes recpulse { 0% { box-shadow: 0 0 0 0 rgba(220,38,38,.45); } 70% { box-shadow: 0 0 0 10px rgba(220,38,38,0); } 100% { box-shadow: 0 0 0 0 rgba(220,38,38,0); } }

/* 移动端 */
@media (max-width: 520px) {
  .fb-dims { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .hero h1 { font-size: 25px; }
  .field-row { flex-direction: column; gap: 0; }
  .match-actions { flex-direction: column; }
}