:root {
  color-scheme: light;
  --pd-paper: #f4f7fa;
  --pd-card: #ffffff;
  --pd-card-soft: #f8fafc;
  --pd-ink: #17283b;
  --pd-ink-2: #4f6276;
  --pd-ink-3: #65758a;
  --pd-line: #e2e9f1;
  --pd-jade: #0868d9;
  --pd-jade-soft: #eaf3ff;
  --pd-clay: #d18425;
  --pd-clay-soft: #fff5e5;
  --pd-blue: #2878c8;
  --pd-blue-soft: #eaf3ff;
  --pd-purple: #7857a8;
  --pd-purple-soft: #f2edfb;
  --pd-red: #c94b4b;
  --pd-red-soft: #fff0f0;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--pd-paper);
}

body {
  margin: 0;
  color: var(--pd-ink);
  background: var(--pd-paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}

button,
input {
  font: inherit;
}

.pd-page {
  padding: 0;
  color: var(--pd-ink);
}

.pd-shell {
  display: grid;
  grid-template-columns: minmax(220px, 250px) minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--pd-line);
  border-radius: 8px;
  background: var(--pd-card);
  box-shadow: 0 12px 30px -24px rgba(20, 40, 60, 0.35);
}

.pd-head {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: start;
  padding: 20px 22px 16px;
  border-bottom: 1px solid var(--pd-line);
  background: linear-gradient(115deg, rgba(8, 104, 217, 0.06), transparent 52%);
}

.pd-kicker {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--pd-jade);
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.pd-kicker::before {
  width: 18px;
  height: 2px;
  border-radius: 99px;
  background: currentColor;
  content: "";
}

.pd-head h2 {
  max-width: 34em;
  margin: 8px 0 5px;
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.pd-head p {
  max-width: 74ch;
  margin: 0;
  color: var(--pd-ink-2);
  font-size: 12.5px;
  line-height: 1.7;
}

.pd-head-mark {
  display: grid;
  min-width: 88px;
  min-height: 64px;
  place-items: center;
  border: 1px solid rgba(8, 104, 217, 0.2);
  border-radius: 6px;
  color: var(--pd-jade);
  background: var(--pd-jade-soft);
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-align: center;
}

.pd-head-mark b {
  display: block;
  margin-bottom: 2px;
  color: var(--pd-ink);
  font-size: 19px;
  letter-spacing: -0.04em;
}

.pd-controls {
  display: flex;
  flex-direction: column;
  gap: 15px;
  padding: 18px;
  border-right: 1px solid var(--pd-line);
  border-bottom: 0;
  background: var(--pd-card-soft);
}

.pd-ctl {
  min-width: 0;
}

.pd-ctl-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 5px;
  color: var(--pd-ink-2);
  font-size: 11px;
}

.pd-ctl-head output {
  color: var(--pd-ink);
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 10.5px;
  font-weight: 600;
}

.pd-ctl input[type="range"] {
  width: 100%;
  height: 18px;
  margin: 0;
  accent-color: var(--pd-jade);
  cursor: pointer;
}

.pd-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pd-btn {
  min-height: 32px;
  padding: 5px 10px;
  border: 1px solid var(--pd-line);
  border-radius: 7px;
  color: var(--pd-ink-2);
  background: var(--pd-card);
  font-size: 11px;
  cursor: pointer;
}

.pd-btn:hover {
  border-color: #c7c1b5;
  color: var(--pd-ink);
}

.pd-btn[aria-pressed="true"],
.pd-btn.is-on {
  border-color: rgba(47, 125, 107, 0.34);
  color: #245f52;
  background: var(--pd-jade-soft);
  font-weight: 600;
}

.pd-body {
  min-width: 0;
  padding: 18px;
}

.pd-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(220px, 0.75fr);
  gap: 16px;
  align-items: stretch;
}

.pd-grid.equal {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pd-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pd-panel {
  min-width: 0;
  padding: 13px;
  border: 1px solid var(--pd-line);
  border-radius: 6px;
  background: #fff;
}

.pd-panel.soft {
  background: var(--pd-card-soft);
}

.pd-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: baseline;
  margin-bottom: 9px;
}

.pd-panel-head h3 {
  margin: 0;
  font-size: 12.5px;
}

.pd-panel-head span {
  color: var(--pd-ink-3);
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 9.5px;
}

.pd-chart {
  width: 100%;
}

.pd-chart svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.pd-readouts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.pd-readout {
  min-width: 0;
  padding: 9px 10px;
  border: 1px solid var(--pd-line);
  border-radius: 5px;
  background: #fff;
}

.pd-readout span {
  display: block;
  margin-bottom: 3px;
  color: var(--pd-ink-3);
  font-size: 9.5px;
}

.pd-readout b {
  display: block;
  color: var(--pd-ink);
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 16px;
  line-height: 1.15;
}

.pd-readout b small {
  margin-left: 2px;
  color: var(--pd-ink-3);
  font-size: 9px;
  font-weight: 500;
}

.pd-readout.good {
  border-color: rgba(47, 125, 107, 0.28);
  background: var(--pd-jade-soft);
}

.pd-readout.warn {
  border-color: rgba(178, 106, 57, 0.28);
  background: var(--pd-clay-soft);
}

.pd-readout.bad {
  border-color: rgba(176, 90, 81, 0.28);
  background: var(--pd-red-soft);
}

.pd-callout {
  margin-top: 11px;
  padding: 9px 11px;
  border: 1px solid var(--pd-line);
  border-left: 3px solid var(--pd-jade);
  border-radius: 0 8px 8px 0;
  color: var(--pd-ink-2);
  background: var(--pd-card-soft);
  font-size: 10.5px;
  line-height: 1.65;
}

.pd-callout b {
  color: var(--pd-ink);
}

.pd-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 12px;
  margin-top: 7px;
  color: var(--pd-ink-3);
  font-size: 9.5px;
}

.pd-legend span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.pd-legend i {
  display: inline-block;
  width: 9px;
  height: 3px;
  border-radius: 99px;
  background: currentColor;
}

.pd-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 10.5px;
}

.pd-table th,
.pd-table td {
  padding: 6px 7px;
  border-bottom: 1px solid var(--pd-line);
  text-align: left;
}

.pd-table th {
  color: var(--pd-ink-3);
  font-weight: 500;
}

.pd-table td:not(:first-child),
.pd-table th:not(:first-child) {
  text-align: right;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
}

.pd-note {
  margin-top: 8px;
  color: var(--pd-ink-3);
  font-size: 9.5px;
  line-height: 1.55;
}

.pd-axis {
  fill: var(--pd-ink-3);
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 9px;
}

.pd-label {
  fill: var(--pd-ink-2);
  font-size: 10px;
}

.pd-label-strong {
  fill: var(--pd-ink);
  font-size: 11px;
  font-weight: 600;
}

.pd-empty {
  padding: 20px;
  color: var(--pd-ink-3);
  text-align: center;
}

@media (max-width: 760px) {
  .pd-page {
    padding: 8px;
  }

  .pd-head {
    grid-template-columns: 1fr;
    padding: 16px;
  }

  .pd-shell {
    display: block;
  }

  .pd-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
    gap: 12px 14px;
    border-right: 0;
    border-bottom: 1px solid var(--pd-line);
  }

  .pd-head-mark {
    display: none;
  }

  .pd-controls,
  .pd-body {
    padding-right: 14px;
    padding-left: 14px;
  }

  .pd-grid,
  .pd-grid.equal,
  .pd-grid.three {
    grid-template-columns: 1fr;
  }
}

/* D7：独立上传包与主站保持同一信息层级，不重复演示标题和方法徽标。 */
.pd-shell {
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.pd-head {
  padding: 17px 2px 15px;
  border-bottom: 1px solid var(--pd-line);
  background: transparent;
}

.pd-kicker,
.pd-head-mark {
  display: none;
}

.pd-head h2 {
  margin-top: 0;
}

.pd-panel,
.pd-readout {
  box-shadow: none;
}

.pd-readout {
  border-radius: 0;
  background: transparent;
}

.pd-callout {
  border: 0;
  border-top: 1px solid var(--pd-line);
  border-radius: 0;
  background: transparent;
}

@media (max-width: 760px) {
  .pd-head {
    padding: 15px 0 13px;
  }
}