*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: system-ui, sans-serif; background: #f0f2f5; color: #1a1a2e; min-height: 100vh; }

header {
  background: linear-gradient(135deg, #1a1a2e, #16213e);
  color: #fff;
  padding: 20px 32px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
}
header h1 { font-size: 1.4rem; font-weight: 600; letter-spacing: .5px; }
header span { font-size: 1.5rem; }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.tool-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: #fff;
  border-radius: 12px;
  padding: 20px 24px;
  box-shadow: 0 1px 4px rgba(0,0,0,.08);
  text-decoration: none;
  color: inherit;
  transition: transform .12s, box-shadow .12s;
}
.tool-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0,0,0,.12);
}
.tool-icon { font-size: 2rem; width: 48px; text-align: center; flex-shrink: 0; }
.tool-card h2 { font-size: 1.05rem; margin-bottom: 4px; color: #16213e; }
.tool-card p { font-size: .85rem; color: #6b7280; line-height: 1.4; }