* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  background: #f5f6fa;
  color: #333;
  min-height: 100vh;
  padding: 24px 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.header {
  max-width: 720px;
  margin: 24px auto 20px;
  padding: 0 8px;
}

.header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #222;
  letter-spacing: 1px;
}

.main {
  max-width: 720px;
  margin: 0 auto;
}

.link-list {
  list-style: none;
  background: #fff;
  border: 1px solid #e8e8ee;
  border-radius: 10px;
  overflow: hidden;
}

.link-list li {
  border-bottom: 1px solid #eef0f5;
}

.link-list li:last-child {
  border-bottom: none;
}

.link-list a {
  display: block;
  padding: 16px 20px;
  text-decoration: none;
  color: #333;
  font-size: 1rem;
  transition: background-color 0.15s ease;
}

.link-list a:hover,
.link-list a:active {
  background: #f9fafc;
  color: #446ad4;
}

@media (max-width: 600px) {
  body {
    padding: 16px 12px;
  }

  .header {
    margin-top: 16px;
  }

  .header h1 {
    font-size: 1.25rem;
  }

  .link-list a {
    padding: 14px 16px;
    font-size: 0.95rem;
  }
}