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

body {
  font-family: 'Microsoft YaHei', '微软雅黑', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  background: linear-gradient(160deg, #f4f6fb 0%, #e8edf5 50%, #f0f4fa 100%);
  min-height: 100vh;
  color: #1a1a2e;
}

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

header {
  margin-bottom: 40px;
}

header h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

header p {
  font-size: 15px;
  color: #5a6278;
  line-height: 1.6;
}

.section-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #8b93a8;
  margin-bottom: 16px;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.tool-card {
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: inherit;
  display: block;
}

.tool-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.1);
}

.tool-card.coming-soon {
  opacity: 0.55;
  pointer-events: none;
  cursor: default;
}

.tool-card .icon {
  font-size: 36px;
  margin-bottom: 12px;
}

.tool-card h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.tool-card .tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  background: #eef2ff;
  color: #4f5bd5;
  margin-bottom: 10px;
}

.tool-card .tag.game {
  background: #e8f5e3;
  color: #3d7a26;
}

.tool-card p {
  font-size: 14px;
  color: #6b7289;
  line-height: 1.55;
}

footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid #dde3ef;
  font-size: 13px;
  color: #8b93a8;
}

@media (max-width: 600px) {
  .page { padding: 32px 16px 48px; }
  header h1 { font-size: 26px; }
}