:root {
  color: #15151a;
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  background: #f7f8fc;
}

body {
  margin: 0;
}

html[data-aigv-route="app"] .seo-static-home {
  display: none;
}

.seo-static-home {
  min-height: 100vh;
  box-sizing: border-box;
  padding: 28px clamp(24px, 6vw, 96px) 72px;
  background: #f7f8fc;
}

.seo-static-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
}

.seo-static-nav img {
  width: 176px;
  height: auto;
}

.seo-static-nav a,
.seo-static-hero > a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 6px;
  color: #fff;
  background: #5d3df5;
  font-weight: 700;
  text-decoration: none;
}

.seo-static-hero {
  max-width: 980px;
  margin: 84px auto 58px;
  text-align: center;
}

.seo-static-hero > p:first-child {
  color: #5d3df5;
  font-weight: 800;
}

.seo-static-hero h1 {
  margin: 16px 0 22px;
  font-size: clamp(36px, 6vw, 68px);
  line-height: 1.12;
  letter-spacing: 0;
}

.seo-static-hero p {
  max-width: 840px;
  margin: 0 auto 30px;
  color: #596178;
  font-size: 18px;
  line-height: 1.8;
}

.seo-static-features {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  max-width: 1280px;
  margin: 0 auto;
}

.seo-static-features article {
  padding: 22px;
  border: 1px solid #dde1ec;
  border-radius: 8px;
  background: #fff;
}

.seo-static-features h2 {
  margin: 0 0 10px;
  font-size: 20px;
}

.seo-static-features p {
  margin: 0;
  color: #687086;
  line-height: 1.7;
}

@media (max-width: 760px) {
  .seo-static-home {
    padding: 20px 18px 48px;
  }

  .seo-static-nav img {
    width: 142px;
  }

  .seo-static-hero {
    margin: 58px auto 38px;
  }

  .seo-static-hero p {
    font-size: 16px;
  }

  .seo-static-features {
    grid-template-columns: 1fr;
  }
}