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

body {
  margin: 0;
  color: var(--text-main);
  background-color: #ffffff;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  width: 100%;
  display: block;
}
input{
  outline: none;
}

/* 响应式 */
/* @media (max-width: 960px) {
  .nav-menu {
    display: none;
  }

  .hero {
    padding-top: 52px;
  }

  .shortcut-strip {
    display: none;
  }

  .feature-grid,
  .pain-grid,
  .testimonial-grid,
  .footer-top {
    grid-template-columns: 1fr;
  }

  section {
    padding: 56px 0;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 24px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .pain-card {
    text-align: left;
  }

  .mock-screen {
    padding: 20px;
  }
} */