* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", sans-serif;
  background-color: #f3f5f7;
  color: #222;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 24px 16px;
}

h1 {
  margin-bottom: 10px;
}

.tip {
  margin-bottom: 20px;
  color: #555;
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.box {
  background-color: #ffffff;
  border: 1px solid #dcdfe6;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
}

h2 {
  margin-top: 0;
}

form {
  display: grid;
  gap: 10px;
}

label {
  font-weight: 700;
}

input,
select,
button {
  width: 100%;
  font-size: 16px;
}

input,
select {
  padding: 10px;
  border: 1px solid #cfd3dc;
  border-radius: 6px;
}

button {
  padding: 10px;
  border: none;
  border-radius: 6px;
  background-color: #2d6cdf;
  color: white;
  font-weight: 700;
  cursor: pointer;
}

.result {
  margin-top: 16px;
  padding: 12px;
  border-radius: 6px;
}

code {
  display: block;
  margin-top: 6px;
  padding: 8px;
  background-color: #f7f8fa;
  border-radius: 4px;
  word-break: break-all;
}

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

th,
td {
  padding: 10px;
  border: 1px solid #dcdfe6;
  text-align: left;
  vertical-align: top;
}

.success {
  background-color: #e8f5e9;
}

.error {
  background-color: #ffebee;
}

@media (max-width: 768px) {
  .row {
    grid-template-columns: 1fr;
  }
}