body {
  margin: 0;
  background: #f4f5f7;
  color: #222;
  font-family: Arial, sans-serif;
  line-height: 1.8;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}

h1 {
  font-size: 38px;
  margin-bottom: 10px;
}

h2 {
  margin-top: 0;
}

.date {
  color: #777;
  margin-bottom: 30px;
}

.card {
  background: white;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.summary {
  border-left: 6px solid #4f8cff;
}

.warning {
  border-left: 6px solid #ffb300;
}

.danger {
  border-left: 6px solid #ff4d4f;
}

.conclusion {
  border-left: 6px solid #00b894;
}

.code-card {
  background: #1e1e1e;
  color: #eee;
}

pre {
  overflow-x: auto;
}

code {
  font-family: Consolas, monospace;
}

blockquote {
  border-left: 4px solid #999;
  padding-left: 16px;
  color: #555;
}

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

th,
td {
  padding: 12px;
  border-bottom: 1px solid #ddd;
  text-align: left;
}

th {
  background: #f8f9fa;
}

a {
  color: #4f8cff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  border-radius: 8px;
}

.code-card pre {
  margin: 0;
}

:root {
  --bg: #f8faff;
  --card: #ffffff;

  --main: #6c63ff;
  --sub: #7bdff2;

  --text: #2d3748;
  --muted: #718096;

  --success: #20c997;
  --warning: #ffb703;
  --danger: #ff6b6b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left,
      #eef4ff,
      #f8faff 40%);
  color: var(--text);
  font-family:
    "Inter",
    "Hiragino Sans",
    sans-serif;
  line-height: 1.9;
}

.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 60px 24px;
}

header {
  text-align: center;
  margin-bottom: 50px;
}

h1 {
  font-size: 56px;
  margin: 0;
  color: var(--main);
  font-weight: 800;
}

.subtitle {
  font-size: 20px;
  color: var(--muted);
  margin-top: 12px;
}

.date {
  display: inline-block;
  margin-top: 20px;
  padding: 8px 16px;
  border-radius: 999px;
  background: white;
  color: var(--muted);
  font-size: 14px;
}

.card {
  background: var(--card);
  border-radius: 24px;
  padding: 30px;
  margin-bottom: 28px;

  box-shadow:
    0 15px 40px rgba(108, 99, 255, 0.08);

  transition: .25s;
}

.card:hover {
  transform: translateY(-4px);
}

h2 {
  margin-top: 0;
  font-size: 28px;
  color: var(--main);
}

h2::before {
  content: "✨ ";
}

.summary {
  background:
    linear-gradient(
      135deg,
      #eef2ff,
      #ffffff
    );
}

.warning {
  background:
    linear-gradient(
      135deg,
      #fff7df,
      #ffffff
    );
}

.danger {
  background:
    linear-gradient(
      135deg,
      #ffeaea,
      #ffffff
    );
}

.conclusion {
  background:
    linear-gradient(
      135deg,
      #e8fff5,
      #ffffff
    );
}

.code-card {
  background: #222639;
  color: #f8f8f2;
}

.code-card h2 {
  color: white;
}

pre {
  margin: 0;
  overflow-x: auto;
}

code {
  font-family:
    "JetBrains Mono",
    Consolas,
    monospace;
  font-size: 15px;
}

.tags {
  margin-top: 25px;
}

.tag {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: white;
  margin-right: 8px;
  font-size: 14px;
  font-weight: 600;
}