* {
  padding: 0;
  margin: 0;
  color: #fff;
}
:root {
  background-color: #000;
}
body {
  min-height: 100vh;
  overflow: hidden;
  font-family: PingFang SC, Droid Sans;
}
.bg-bird {
  height: 100vh;
  width: 100vw;
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  z-index: 1;
}
.page {
  height: 100vh;
}
.page1 {
  /* background-image: url(https://cdn.jsdelivr.net/gh/evolify/files/img/202112302229637.jpeg); */
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.page1 .title {
  font-size: 50px;
  color: #fff5;
  background: linear-gradient(
    to right,
    #ff0000,
    #fff200,
    #1e9600
  ); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
  -webkit-background-clip: text;
}
.page1 img.main {
  width: 200px;
}

.colorful1 {
  background: linear-gradient(to right, #ff0000, #fff200, #1e9600);
  color: #fffa;
  -webkit-background-clip: text;
}

.page1 .content {
  position: absolute;
  bottom: 100px;
  text-align: center;
  /* -webkit-box-reflect: below 2px -webkit-linear-gradient(bottom, #000a, #0000); */
}
.page1 .content .time {
  font-size: 20px;
}
.page1 .content .address {
  font-size: 15px;
}

/* gallery */
.page1 {
  perspective: 800px;
  perspective-origin: center top;
}
.page1::before {
  content: "";
  display: inherit;
  flex-grow: 1;
}

.gallery {
  /*133:200  4:6  */
  margin-bottom: 500px;
  position: relative;
  display: flex;
  align-items: center;
  /*搭建3D效果必须的两个属性：一个变换风格变3d，一个场景景深800px*/
  transform-style: preserve-3d;
  transform: rotateX(0deg) rotateY(0deg);
}

.gallery img {
  width: 100px;
  position: absolute;
  box-shadow: 0 0 8px #000000;
  transform: rotateY(0deg) translateZ(0px);
  /*倒影：朝向 偏移 遮盖*/
  /*线性渐变(从哪里开始,开始时候的颜色,结束时候的颜色)*/
  -webkit-box-reflect: below 5px -webkit-linear-gradient(top, rgba(0, 0, 0, 0)
        40%, rgba(0, 0, 0, 0.5) 100%);
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  border-radius: 5px;
}

.gallery::after {
  content: "";
  display: inherit;
  width: 1200px;
  height: 1200px;
  background: -webkit-radial-gradient(
    center center,
    600px 600px,
    rgba(122, 122, 124, 0.2),
    rgba(0, 0, 0, 0)
  );
  border-radius: 100%;
  position: absolute;
  left: 50%;
  top: 102%;
  margin-left: -600px;
  margin-top: -600px;
  transform: rotateX(90deg);
}