:root {
  --bg: #f6f8fb;
  --ink: #111827;
  --muted: #667085;
  --line: #dce4ee;
  --panel: #fff;
  --nav: #171a21;
  --blue: #2f75d6;
  --blue-soft: #e8f1ff;
  --green: #06966f;
  --red: #e14747;
  --orange: #ff8a5b;
  --shadow: 0 18px 44px rgba(22, 33, 52, 0.08);
  --radius: 8px;
  --content: 1240px;
  --font: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--font);
}

button,
a {
  font: inherit;
}

.topbar {
  background: var(--nav);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar__inner {
  width: min(calc(100% - 40px), 1500px);
  height: 58px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 180px 1fr auto;
  gap: 28px;
  align-items: center;
}

.brand {
  color: #fff;
  font-size: 22px;
  font-weight: 760;
}

.topnav {
  display: flex;
  gap: 28px;
}

.topnav a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  text-decoration: none;
}

.login-button {
  height: 34px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius);
  color: #fff;
  background: transparent;
}

.page {
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
  padding: 26px 0 48px;
}

.quote-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
}

.breadcrumb,
.eyebrow,
.panel-label {
  color: #74839a;
  font-size: 12px;
  font-weight: 760;
}

.quote-head h1 {
  margin: 10px 0 0;
  font-size: 34px;
  line-height: 1.18;
}

.quote-head h1 span {
  color: var(--muted);
  font-size: 18px;
}

.quote-line {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
}

.quote-line strong {
  font-size: 28px;
}

.quote-line span {
  color: var(--muted);
  font-size: 14px;
}

.quote-line .down {
  color: var(--red);
  font-weight: 760;
}

.quote-actions {
  display: flex;
  gap: 10px;
}

.quote-actions button,
.quote-actions button {
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: #334155;
  background: #fff;
  cursor: pointer;
}

.quote-tabs {
  display: flex;
  gap: 24px;
  margin-top: 26px;
  border-bottom: 1px solid var(--line);
}

.quote-tabs a {
  padding: 0 0 13px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.quote-tabs a.is-active {
  color: var(--blue);
  border-bottom: 3px solid var(--blue);
  font-weight: 760;
}

.alpha-module {
  margin-top: 22px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.module-head {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: flex-start;
}

.module-head h2 {
  margin: 6px 0 0;
  font-size: 28px;
}

.module-head p {
  max-width: 760px;
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.landing-link {
  flex: 0 0 auto;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border: 1px solid var(--blue);
  border-radius: var(--radius);
  color: var(--blue);
  background: var(--blue-soft);
  text-decoration: none;
  font-size: 14px;
  font-weight: 760;
}

.alpha-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  align-items: stretch;
  margin-top: 20px;
}

.signal-desk,
.strategy-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfe;
}

.signal-desk {
  padding: 20px;
}

.desk-top {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
}

.desk-top h3 {
  margin: 6px 0 0;
  font-size: 26px;
}

.desk-top p {
  margin: 8px 0 0;
  color: var(--muted);
}

.signal-body {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 26px;
  align-items: center;
  margin-top: 20px;
}

.gauge-block {
  display: grid;
  justify-items: center;
  gap: 8px;
}

.gauge {
  position: relative;
  width: 210px;
  height: 132px;
  overflow: hidden;
}

.gauge-arc {
  position: absolute;
  inset: 8px 8px auto;
  width: 194px;
  height: 194px;
  border: 14px solid #dfe5ec;
  border-left-color: var(--red);
  border-right-color: var(--green);
  border-bottom-color: transparent;
  border-radius: 50%;
}

.gauge-needle {
  position: absolute;
  left: 102px;
  bottom: 22px;
  width: 4px;
  height: 78px;
  border-radius: 999px;
  background: #111827;
  transform: rotate(-65deg);
  transform-origin: 50% 100%;
}

.gauge-center {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  display: grid;
  justify-items: center;
}

.gauge-center strong {
  font-size: 28px;
}

.gauge-center span {
  color: var(--muted);
  font-size: 12px;
}

.signal-update-time {
  color: #8a94a3;
  font-size: 13px;
  line-height: 1.5;
  white-space: nowrap;
}

.position-panel {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.position-main span,
.position-main strong,
.position-main em {
  display: block;
}

.position-main span {
  color: var(--muted);
  font-size: 12px;
}

.position-main strong {
  margin-top: 4px;
  color: var(--red);
  font-size: 36px;
}

.position-main em {
  margin-top: 2px;
  color: #334155;
  font-style: normal;
  font-weight: 760;
}

.exposure-bar {
  position: relative;
  height: 34px;
  display: grid;
  grid-template-columns: 1fr 42px 1fr;
  margin-top: 16px;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  color: #fff;
  font-size: 12px;
  font-weight: 760;
}

.exposure-bar span {
  display: flex;
  align-items: center;
  justify-content: center;
}

.short-zone {
  background: linear-gradient(90deg, #b91c1c, #ef4444);
}

.flat-zone {
  background: #f8fafc;
  color: var(--muted);
}

.long-zone {
  background: linear-gradient(90deg, #10b981, #047857);
}

.exposure-bar i {
  position: absolute;
  left: 12%;
  top: 4px;
  width: 2px;
  height: 24px;
  background: #111827;
  box-shadow: 0 0 0 4px rgba(17, 24, 39, 0.12);
}

.position-panel p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.65;
  font-size: 13px;
}

.score-trend-card {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.score-trend-card--detail {
  background: #fbfcfe;
}

.score-trend-card__head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.score-trend-card__head span,
.score-trend-card__head strong {
  display: block;
}

.score-trend-card__head span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
}

.score-trend-card__head strong {
  margin-top: 4px;
  color: var(--ink);
  font-size: 18px;
}

.score-trend-card__head em {
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
  font-weight: 760;
  white-space: nowrap;
}

.score-trend-chart-wrap {
  position: relative;
  margin-top: 10px;
}

#detail-score-trend-chart {
  display: block;
  width: 100%;
  height: 180px;
  cursor: crosshair;
}

.score-trend-tooltip {
  position: absolute;
  z-index: 2;
  min-width: 132px;
  padding: 10px 12px;
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.16);
  pointer-events: none;
  transform: translate(-50%, -108%);
}

.score-trend-tooltip strong {
  display: block;
  margin-bottom: 7px;
  color: var(--ink);
  font-size: 12px;
}

.score-trend-tooltip div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 12px;
}

.score-trend-tooltip b {
  color: var(--blue);
  font-size: 14px;
}

.score-trend-axis {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 6px;
  color: var(--muted);
  font-size: 11px;
}

.action-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.action-row div {
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.action-row span,
.action-row strong {
  display: block;
}

.action-row span {
  color: var(--muted);
  font-size: 12px;
}

.action-row strong {
  margin-top: 5px;
  font-size: 14px;
}

.strategy-card {
  margin-top: 16px;
  padding: 16px;
}

.strategy-card__head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.strategy-card__head strong {
  display: block;
  margin-top: 5px;
  color: var(--green);
  font-size: 26px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.period-select {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.period-select::after {
  content: "⌄";
  position: absolute;
  right: 11px;
  top: 50%;
  color: #667085;
  font-size: 13px;
  pointer-events: none;
  transform: translateY(-54%);
}

.period-select select {
  height: 34px;
  min-width: 82px;
  padding: 0 30px 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: #111827;
  background: #fff;
  appearance: none;
  cursor: pointer;
  font: inherit;
}

.mini-chart-wrap {
  position: relative;
  margin-top: 8px;
}

#mini-chart {
  width: 100%;
  height: 230px;
  display: block;
  cursor: crosshair;
}

.chart-tooltip {
  position: absolute;
  z-index: 2;
  min-width: 190px;
  padding: 12px 14px;
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.16);
  pointer-events: none;
  transform: translate(-50%, -100%);
}

.chart-tooltip strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 13px;
}

.chart-tooltip div {
  display: grid;
  grid-template-columns: 10px 1fr auto;
  gap: 7px;
  align-items: center;
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
}

.chart-tooltip i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.tooltip-strategy {
  background: var(--orange);
}

.tooltip-benchmark {
  background: #73b8ff;
}

.chart-tooltip em {
  color: var(--green);
  font-style: normal;
  font-weight: 760;
}

.chart-legend {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin: 4px 0 8px;
  color: var(--muted);
  font-size: 12px;
}

.chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.chart-legend i {
  width: 10px;
  height: 10px;
  display: inline-block;
  flex: 0 0 auto;
  border-radius: 50%;
}

.chart-note {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.metric-card {
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.metric-card span,
.metric-card strong {
  display: block;
}

.metric-card span {
  color: var(--muted);
  font-size: 12px;
}

.metric-card strong {
  margin-top: 8px;
  font-size: 22px;
}

.up {
  color: var(--green);
}

@media (max-width: 1040px) {
  .alpha-grid,
  .signal-body,
  .metric-row,
  .action-row {
    grid-template-columns: 1fr;
  }

  .module-head,
  .quote-head {
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .topbar__inner,
  .page {
    width: min(calc(100% - 28px), var(--content));
  }

  .topbar__inner {
    grid-template-columns: 1fr auto;
  }

  .topnav {
    display: none;
  }

  .alpha-module {
    padding: 16px;
  }

  .quote-tabs {
    overflow-x: auto;
  }
}