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

body,
html {
  overflow-x: hidden;
}

video {
  width: 100%;
  height: 100%;
}

.content {
  width: 100%;
  height: 100vh;
  position: relative;
}

.bg {
  width: 100%;
  height: 100vh;
}

.logo {
  position: absolute;
  transform: translateX(-50%);
}

.logo img {
  z-index: 1;
}

.slogan {
  position: absolute;
  bottom: 25%;
  left: 50%;
  transform: translateX(-50%);
}

.tips {
  position: absolute;
  bottom: 10%;
  left: 5%;
  transform: translateX(-50%);
}

.tips img {
  height: 1rem;
}

.down {
  position: absolute;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
}

.imgs-hober {
  transition: all 0.3s ease 0.1s;
}

.imgs-hober:hover {
  transform: scale(1.3);
}

#foot {
  background-color: #000;
  padding: 20px 0;
}