.tracking-shell .site-header { margin-bottom: 66px; }
.tracking-hero { margin: 0 auto; max-width: 720px; text-align: center; }
.tracking-hero h1 { margin-bottom: 13px; }
.tracking-hero p { color: var(--muted); font-size: 17px; line-height: 1.75; }
.tracking-input-card, .tracking-results { background: rgba(255,255,255,.86); border: 1px solid rgba(255,255,255,.8); border-radius: 22px; box-shadow: var(--shadow); margin: 35px auto 0; max-width: 900px; padding: 22px; }
.tracking-card-heading, .tracking-results-heading { align-items: flex-start; display: flex; gap: 18px; justify-content: space-between; }
.tracking-card-heading h2, .tracking-results-heading h2 { font-size: 25px; margin-top: 11px; }
.tracking-limit { align-items: center; background: #fff7e9; border: 1px solid #f8ddb1; border-radius: 99px; color: #b86b23; display: inline-flex; flex-shrink: 0; font-size: 11px; gap: 6px; padding: 7px 10px; white-space: nowrap; }
.tracking-textarea-label { color: var(--ink); display: block; font-size: 12px; font-weight: 800; margin: 21px 0 9px; }
.tracking-input-card textarea { min-height: 182px; }
.tracking-input-footer { align-items: center; display: flex; gap: 15px; justify-content: space-between; margin-top: 13px; }
.tracking-input-meta { align-items: center; display: flex; flex-wrap: wrap; gap: 13px; }
.tracking-input-footer .button { min-width: 126px; }
.tracking-platform-summary { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
.tracking-platform-chip { align-items: center; background: #f2f6f3; border: 1px solid var(--line); border-radius: 99px; color: var(--muted); display: inline-flex; font-size: 11px; gap: 5px; padding: 5px 9px; }
.tracking-platform-chip strong { color: var(--green-dark); }
.tracking-platform-chip.is-unsupported { color: var(--red); }
.tracking-platform-chip-dot { border-radius: 50%; height: 7px; width: 7px; }
.tracking-platform-chip-dot.douyin { background: #48a79d; }
.tracking-platform-chip-dot.xiaohongshu { background: #e36c67; }
.tracking-platform-chip-dot.bilibili { background: #58a7d8; }
.tracking-platform-chip-dot.weibo { background: #ec8b55; }
.tracking-error { margin-top: 13px; }
.tracking-progress { background: #edf8f3; border: 1px solid var(--mint-strong); border-radius: 9px; color: var(--green-dark); font-size: 12px; line-height: 1.6; margin-top: 13px; padding: 9px 11px; }
.tracking-results { margin-top: 55px; }
.tracking-result-actions { align-items: center; display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.tracking-result-actions::before { color: var(--muted); content: '导出当前结果'; font-size: 11px; margin-right: 2px; }
.tracking-result-actions .button { min-height: 36px; padding: 0 11px; }
.tracking-result-meta { color: var(--muted); font-size: 11px; margin-right: 3px; }
.tracking-summary { display: grid; gap: 10px; grid-template-columns: repeat(4, 1fr); margin-top: 22px; }
.tracking-summary-card { background: #f6f9f7; border: 1px solid var(--line); border-radius: 13px; padding: 13px 15px; }
.tracking-summary-label { color: var(--muted); font-size: 11px; }
.tracking-summary-value { color: var(--ink); font-size: 22px; font-weight: 800; margin-top: 5px; }
.tracking-table-wrap { border: 1px solid var(--line); border-radius: 14px; margin-top: 17px; overflow-x: auto; }
.tracking-table { border-collapse: collapse; min-width: 760px; width: 100%; }
.tracking-table th { background: #f7faf8; color: #7c8983; font-size: 11px; font-weight: 700; padding: 12px 13px; text-align: left; white-space: nowrap; }
.tracking-table td { border-top: 1px solid #edf0ee; font-size: 12px; padding: 12px 13px; vertical-align: middle; }
.tracking-table th:nth-child(n+3), .tracking-table td:nth-child(n+3) { text-align: right; }
.tracking-table th:last-child, .tracking-table td:last-child { text-align: left; }
.tracking-video-cell { max-width: 350px; min-width: 260px; }
.tracking-video-title { color: var(--ink); display: block; font-weight: 700; max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tracking-video-url { color: var(--muted); display: block; font-size: 10px; margin-top: 4px; max-width: 320px; overflow: hidden; text-decoration: none; text-overflow: ellipsis; white-space: nowrap; }
.tracking-video-url:hover { color: var(--green-dark); text-decoration: underline; }
.tracking-platform-badge { border-radius: 6px; display: inline-flex; font-size: 10px; font-weight: 800; padding: 5px 7px; white-space: nowrap; }
.tracking-platform-badge.douyin { background: #e9f6f4; color: #137b76; }
.tracking-platform-badge.xiaohongshu { background: #fff0ef; color: #dd554e; }
.tracking-platform-badge.bilibili { background: #eaf4ff; color: #2386c9; }
.tracking-platform-badge.weibo { background: #fff1e8; color: #e66d35; }
.tracking-number { font-variant-numeric: tabular-nums; white-space: nowrap; }
.tracking-status { border-radius: 99px; display: inline-flex; font-size: 10px; font-weight: 700; padding: 5px 8px; white-space: nowrap; }
.tracking-status.success { background: var(--mint); color: var(--green-dark); }
.tracking-status.error { background: var(--red-soft); color: var(--red); }
.tracking-note { color: var(--muted); display: block; font-size: 10px; line-height: 1.45; margin-top: 4px; max-width: 180px; }

@media (max-width: 780px) {
  .tracking-shell .site-header { margin-bottom: 52px; }
  .tracking-input-card, .tracking-results { border-radius: 17px; padding: 16px 15px; }
  .tracking-hero p { font-size: 15px; }
  .tracking-card-heading h2, .tracking-results-heading h2 { font-size: 21px; }
  .tracking-results-heading { align-items: flex-start; flex-direction: column; }
  .tracking-result-actions { justify-content: flex-start; }
  .tracking-summary { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .tracking-card-heading { gap: 8px; }
  .tracking-limit { font-size: 10px; padding: 6px 8px; }
  .tracking-input-footer { align-items: stretch; flex-direction: column; }
  .tracking-input-footer .button { width: 100%; }
  .tracking-result-actions { align-items: stretch; display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
  .tracking-result-actions::before { grid-column: span 2; margin: 0 0 2px; }
  .tracking-result-meta { grid-column: span 2; }
  .tracking-result-actions .button { width: 100%; }
  .tracking-summary-value { font-size: 20px; }
}