* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft Yahei", system-ui, sans-serif;
  background: #f6f7fb;
  color: #1f2430;
}

.app {
  max-width: 1800px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
}

.title h1 {
  margin: 0 0 6px 0;
  font-size: 28px;
}

.title p {
  margin: 0;
  color: #5a6475;
}

.status {
  padding: 8px 14px;
  background: #eef1f7;
  border-radius: 8px;
  color: #3b4557;
  font-size: 13px;
}

.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  color: #3b4557;
}

select {
  height: 38px;
  border-radius: 8px;
  border: 1px solid #d7dce4;
  padding: 0 12px;
  background: #fff;
  font-size: 14px;
}

.content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(24, 32, 52, 0.06);
  overflow: hidden;
}

.card-header {
  padding: 12px 16px;
  background: #f2f4f8;
  font-weight: 600;
  font-size: 14px;
}

.card-body {
  padding: 12px 14px;
  line-height: 1.7;
  white-space: pre-wrap;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 960px) {
  .result-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .header {
    flex-direction: column;
  }
}