:root {
  --bg: #f4efe7;
  --surface: rgba(255, 251, 245, 0.9);
  --surface-strong: #fffdf9;
  --line: rgba(36, 34, 30, 0.12);
  --text: #1f1a16;
  --muted: #74685d;
  --accent: #b85c38;
  --accent-deep: #8d3f22;
  --shadow: 0 20px 60px rgba(78, 52, 37, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(184, 92, 56, 0.14), transparent 30%),
    radial-gradient(circle at top right, rgba(48, 92, 132, 0.12), transparent 24%),
    linear-gradient(180deg, #f6f1e9 0%, #efe7dc 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

.shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 252, 247, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 50px;
  height: 50px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1f1a16, #53453b);
  color: #fff;
  font-weight: 700;
}

.brand-copy {
  display: grid;
  gap: 4px;
}

.brand-copy strong {
  font-size: 18px;
}

.brand-copy small,
.nav a,
.eyebrow,
.panel-head span,
.stat-card span,
.mini-card p,
.project-card p,
.meta-list span,
.footer span {
  color: var(--muted);
}

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

.nav a {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.nav a.is-active,
.nav a:hover {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
}

.main {
  display: grid;
  gap: 22px;
  margin-top: 24px;
}

.single-column {
  min-height: 60vh;
  align-content: center;
}

.hero-panel,
.panel {
  border: 1px solid var(--line);
  border-radius: 30px;
  padding: 28px;
  background: var(--surface);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.hero-panel h1 {
  margin: 10px 0 14px;
  font-size: clamp(34px, 5vw, 62px);
  line-height: 0.98;
  letter-spacing: -0.05em;
  max-width: 12ch;
}

.hero-panel p,
.panel-copy,
.bullet-list,
.meta-list,
table small,
.mini-card span,
.project-card span {
  line-height: 1.75;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  border-color: transparent;
  color: #fff;
}

.button.ghost {
  background: rgba(255, 255, 255, 0.66);
}

.stat-grid,
.panel-grid,
.card-grid {
  display: grid;
  gap: 16px;
}

.stat-grid {
  margin-top: 24px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat-card,
.mini-card,
.project-card {
  padding: 18px;
  border-radius: 22px;
  border: 1px solid rgba(36, 34, 30, 0.09);
  background: var(--surface-strong);
}

.stat-card strong,
.mini-card h3,
.project-card h3 {
  display: block;
  margin-top: 10px;
}

.stat-card strong {
  font-size: 30px;
  line-height: 1;
}

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

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.panel-head h2,
.mini-card h3,
.project-card h3 {
  margin: 0;
}

.bullet-list,
.meta-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.bullet-list li,
.meta-list li {
  padding: 12px 0;
  border-top: 1px solid rgba(36, 34, 30, 0.08);
}

.bullet-list li:first-child,
.meta-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.meta-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 14px 12px;
  border-top: 1px solid rgba(36, 34, 30, 0.08);
  vertical-align: top;
  text-align: left;
}

thead th {
  border-top: 0;
  color: var(--muted);
  font-weight: 600;
}

td strong,
td small {
  display: block;
}

.empty {
  text-align: center;
  color: var(--muted);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
  padding: 0 4px 24px;
  font-size: 13px;
}

.error-panel h1 {
  max-width: none;
}

@media (max-width: 960px) {
  .topbar,
  .meta-list li,
  .footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .stat-grid,
  .panel-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .shell {
    padding: 14px;
  }

  .hero-panel,
  .panel {
    padding: 22px 18px;
    border-radius: 24px;
  }

  .hero-panel h1 {
    max-width: none;
    font-size: 36px;
  }
}