* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  background: #f8fafc;
  color: #0f172a;
}

a {
  color: #0f766e;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
}

.header {
  border-bottom: 1px solid #e2e8f0;
  background: #ffffff;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  gap: 12px;
}

.brand {
  font-size: 20px;
  font-weight: 700;
  color: #0f172a;
}

.nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 14px;
}

.main {
  min-height: 70vh;
  padding: 24px 0 40px;
}

.card {
  background: #fff;
  border: 1px solid #dbeafe;
  border-radius: 14px;
  padding: 16px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.stack {
  display: grid;
  gap: 16px;
}

.grid-2 {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.title {
  margin: 0 0 8px;
  font-size: 30px;
}

.subtitle {
  margin: 0;
  color: #475569;
  font-size: 14px;
}

.chip {
  display: inline-block;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  padding: 8px 10px;
  background: #fff;
  font-size: 14px;
}

.input,
.select {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  padding: 11px 12px;
  font-size: 14px;
}

.btn {
  border: 0;
  border-radius: 10px;
  padding: 11px 16px;
  background: #0f766e;
  color: #fff;
  font-size: 14px;
  cursor: pointer;
}

.btn:hover {
  background: #0d9488;
}

.muted {
  color: #64748b;
  font-size: 13px;
}

.footer {
  margin-top: 20px;
  border-top: 1px solid #e2e8f0;
  background: #fff;
}

.footer-inner {
  padding: 24px 0;
  color: #64748b;
  font-size: 14px;
}

.badge-success {
  background: #ecfdf5;
  color: #166534;
  border: 1px solid #bbf7d0;
  padding: 6px 9px;
  border-radius: 10px;
  font-size: 13px;
}

.badge-warn {
  background: #fffbeb;
  color: #854d0e;
  border: 1px solid #fde68a;
  padding: 6px 9px;
  border-radius: 10px;
  font-size: 13px;
}

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

th,
td {
  border-bottom: 1px solid #e2e8f0;
  padding: 8px;
  text-align: left;
  font-size: 14px;
}

@media (max-width: 860px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}