:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --surface: #ffffff;
  --surface-2: #eef3f3;
  --text: #182125;
  --muted: #647178;
  --line: #d9e0e3;
  --teal: #177c7b;
  --green: #2d8758;
  --amber: #c1791f;
  --red: #b14a45;
  --blue: #4269b2;
  --shadow: 0 12px 30px rgba(24, 33, 37, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.topbar {
  min-height: 300px;
  padding: 40px clamp(20px, 5vw, 72px) 34px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: start;
  background:
    linear-gradient(135deg, rgba(23, 124, 123, 0.17), rgba(193, 121, 31, 0.10)),
    #ffffff;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 920px;
  margin-bottom: 14px;
  font-size: clamp(36px, 6vw, 68px);
  line-height: 1.03;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 4px;
  font-size: 26px;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 16px;
  font-size: 16px;
  letter-spacing: 0;
}

.lead {
  max-width: 760px;
  margin-bottom: 0;
  color: #3d4b51;
  font-size: 18px;
}

.nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a,
.seg,
.report-links a {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  color: #263339;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}

.nav a {
  padding: 9px 12px;
}

main {
  width: min(1440px, 100%);
  margin: -44px auto 0;
  padding: 0 clamp(16px, 4vw, 48px) 48px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.summary-card,
.panel,
.chart-card,
.metric-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.summary-card {
  min-height: 122px;
  padding: 18px;
}

.summary-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 28px;
  line-height: 1;
}

.summary-card span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.panel {
  margin-top: 18px;
  padding: 24px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.hint {
  max-width: 520px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.toolbar,
.code-tools {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.seg {
  height: 36px;
  padding: 0 12px;
  cursor: pointer;
}

.seg.active {
  border-color: var(--teal);
  background: var(--teal);
  color: #ffffff;
}

.chart-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 16px;
  margin-bottom: 18px;
}

.chart-card {
  padding: 18px;
  box-shadow: none;
}

.bar-row {
  display: grid;
  grid-template-columns: 80px minmax(120px, 1fr) 76px;
  gap: 10px;
  align-items: center;
  min-height: 32px;
  margin-bottom: 8px;
  font-size: 13px;
}

.bar-track {
  position: relative;
  height: 12px;
  overflow: hidden;
  border-radius: 8px;
  background: var(--surface-2);
}

.bar-fill {
  height: 100%;
  min-width: 2px;
  border-radius: 8px;
  background: var(--teal);
}

.bar-fill.negative {
  background: var(--red);
}

.compact .bar-row {
  grid-template-columns: 210px minmax(120px, 1fr) 70px;
}

.scatter {
  position: relative;
  min-height: 320px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(to right, rgba(217, 224, 227, 0.65) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(217, 224, 227, 0.65) 1px, transparent 1px),
    #fbfcfc;
  background-size: 20% 100%, 100% 20%;
}

.dot {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  transform: translate(-50%, 50%);
  background: var(--blue);
  border: 2px solid #ffffff;
  box-shadow: 0 2px 8px rgba(24, 33, 37, 0.25);
}

.dot[data-status="核心主线"] {
  background: var(--green);
}

.dot[data-status="可用主线"] {
  background: var(--teal);
}

.dot[data-status="观察/待修复"] {
  background: var(--amber);
}

.dot[data-status="冻结研究"],
.dot[data-status="关闭/失败线"] {
  background: var(--red);
}

.dot span {
  position: absolute;
  left: 14px;
  top: -8px;
  white-space: nowrap;
  color: #263339;
  font-size: 11px;
  font-weight: 700;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
  background: #ffffff;
  font-size: 14px;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: #f0f4f4;
  color: #354248;
  font-size: 12px;
}

tr:last-child td {
  border-bottom: 0;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 8px;
  background: #edf3f2;
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
}

.pill.warn {
  background: #fbf0df;
  color: var(--amber);
}

.pill.stop {
  background: #f7e8e6;
  color: var(--red);
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.metric-card {
  padding: 18px;
  box-shadow: none;
}

.metric-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 24px;
}

.metric-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.knowledge-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7faf9;
}

.knowledge-card h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.knowledge-card p {
  max-width: 760px;
  margin-bottom: 14px;
  color: var(--muted);
}

.knowledge-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.knowledge-card a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--teal);
  border-radius: 8px;
  background: var(--teal);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
}

.code-tools input,
.code-tools select {
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  font: inherit;
}

.code-tools input {
  flex: 1 1 320px;
  padding: 0 12px;
}

.code-tools select {
  flex: 0 0 220px;
  padding: 0 10px;
}

.code-layout {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 16px;
  min-height: 560px;
}

.file-list {
  overflow: auto;
  max-height: 620px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.file-button {
  display: block;
  width: 100%;
  padding: 12px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.file-button.active {
  background: #eef6f5;
}

.file-button strong,
.file-button span {
  display: block;
}

.file-button span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.code-view {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #101820;
  color: #e8eef1;
}

.code-meta {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: #17232c;
  color: #c7d3d8;
  font-size: 13px;
}

pre {
  overflow: auto;
  max-height: 560px;
  margin: 0;
  padding: 18px;
  font-size: 12px;
  line-height: 1.55;
  white-space: pre;
}

.report-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.report-links a {
  padding: 12px 14px;
}

@media (max-width: 1180px) {
  .summary-grid,
  .model-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .chart-layout,
  .code-layout {
    grid-template-columns: 1fr;
  }

  .file-list {
    max-height: 320px;
  }
}

@media (max-width: 760px) {
  .topbar,
  .section-head {
    grid-template-columns: 1fr;
    display: block;
  }

  .nav {
    justify-content: flex-start;
    margin-top: 24px;
  }

  main {
    margin-top: -24px;
  }

  .summary-grid,
  .model-grid {
    grid-template-columns: 1fr 1fr;
  }

  .panel {
    padding: 16px;
  }

  .compact .bar-row,
  .bar-row {
    grid-template-columns: 72px minmax(100px, 1fr) 64px;
  }

  .knowledge-card {
    grid-template-columns: 1fr;
  }

  .code-meta {
    display: block;
  }
}

@media (max-width: 480px) {
  .summary-grid,
  .model-grid {
    grid-template-columns: 1fr;
  }
}