* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  color: #333;
  padding: 0 40px 20px;
  max-width: 800px;
  margin: 0 auto;
  background: linear-gradient(to bottom, #eeeeff, #f2f7ff);
  min-height: 100vh;
}

.header {
  display: flex;
  align-items: center;
}

.header .logo-icon {
  width: 45%;
  height: 90px;
  background: url("./img/logo.png") no-repeat center center;
  background-size: contain;
  border: none;
  margin-left: -20px;
}

.header h1 {
  font-size: 28px;
  font-weight: 700;
  color: #2d3748;
  letter-spacing: 0.5px;
}

.app-preview {
  width: 100%;
  max-width: 450px;
  margin: 0 auto 60px;
  display: block;
  border-radius: 24px;
}

.attention {
  width: 100px;
  height: 100px;
  display: block;
  margin: 0 auto;
}

.title {
  font-size: 25px;
  font-weight: 700;
  text-align: center;
  color: #0d0d56;
  margin-bottom: 16px;
}

.intro {
  text-align: center;
  color: #718096;
  line-height: 1.8;
  font-size: 16px;
  margin-bottom: 30px;
}

.download-container {
  max-width: 400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.download-container .device {
  width: 26px;
  height: 26px;
}

.download-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 0;
  border-radius: 16px;
  font-size: 18px;
  font-weight: 500;
  text-decoration: none;
  color: #0d0d56;
  background-color: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.ios-btn {
  color: #0d0d56;
  font-weight: 600;
}

.hidden {
  display: none;
}

@media (min-width: 768px) {
  .title {
    font-size: 42px;
  }

  .intro {
    font-size: 18px;
  }

  .download-btn {
    padding: 20px 0;
    font-size: 20px;
  }

  .header h1 {
    font-size: 32px;
  }

  .header .logo-icon {
    width: 180px;
    height: 100px;
  }
}

.down-link {
  text-align: center;
}

.down-link a {
  color: #326acf;
}

.harmoneyos {
  font-size: 20px;
}

.linkUrl {
  display: none;
}

.pc-layout {
  display: flex;
  align-content: space-between;
  align-items: center;
}

.pc-intro {
  margin-left: 60px;
}