body {
  font-family: "PingFang-Regular", "microsoft yahei", "微软雅黑", "宋体",
    "Helvetica Neue", "Raleway", Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.7857;
  letter-spacing: 0.075em;
  height: 100%;
  color: #333333;
  background-color: #1869ff;
  position: relative;
}

@media screen and (min-width: 1920px) {
  .container {
    height: 100vmin;
  }
}

.container {
  display: grid;
  grid-template-columns: 1fr 1024px 1fr;
  grid-template-rows: 100px 1fr 64px;
  gap: 0px 0px;
  grid-auto-flow: row;
  /* height: 100vmin; */
}

.top {
  grid-area: 1 / 1 / 2 / 4;
}

.footer {
  display: grid;
  grid-auto-columns: 1fr;
  grid-auto-rows: 1fr;
  grid-template-columns: 1fr 1024px 1fr;
  gap: 0px 0px;
  align-items: center;
  grid-area: 3 / 1 / 4 / 4;
  background-color: #191919;
  color: #fff;
}

.footer div:first-child {
  grid-column-start: 2;
  grid-column-end: 3;
  letter-spacing: 4px;
  font-size: 12px;
}

.foot-bottom {
  position: absolute;
  height: 64px;
  width: 100%;
  background-color: #191919;
  bottom: 0px;
  z-index: -100;
}

.sidebar-left {
  grid-area: 2 / 1 / 3 / 2;
  justify-self: end;
  align-self: end;
}

.sidebar-right {
  grid-area: 2 / 3 / 3 / 4;
}

.main {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
  grid-template-rows: 64px 1fr 84px;
  gap: 0px 0px;
  grid-auto-flow: row;
  grid-template-areas:
    "logo logo logo . . . . nav nav nav nav nav nav nav nav"
    "item2 item2 item2 item2 item2 item2 . . . . . . . . ."
    ". item1 item1 item1 item1 item1 item1 item1 item1 item1 item1 . . . .";
  grid-area: 2 / 2 / 3 / 3;
}

.nav {
  grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr 10px;
  grid-template-rows: 24px;
  gap: 0px 0px;
  grid-auto-flow: row;
  grid-template-areas: ". . . . . . .";
  align-self: center;
  grid-area: nav;
  justify-items: end;
  align-content: center;
  font-family: "PingFang-bold";
  font-weight: 400;
  color: #fff;
}

.nav-link {
  width: 120px;
  padding: 0.4rem 1.2rem;
  opacity: 0.8;
  -moz-transform: scale(1);
  -webkit-transform: scale(1);
  -o-transform: scale(1);
  -ms-transform: scale(1);
  transform: scale(1);
}

.logo {
  align-self: center;
  grid-area: logo;
}

ul.nav > li > a.active,
ul.nav > li > a:hover {
  -webkit-transition: all 0.5s ease-in-out 0.15s;
  -moz-transition: all 0.5s ease-in-out 0.15s;
  -ms-transition: all 0.5s ease-in-out 0.15s;
  -o-transition: all 0.5s ease-in-out 0.15s;
  transition: all 0.5s ease-in-out 0.15s;
  /* 缓动 */
  opacity: 1;
  -moz-transform: scale(1);
  -webkit-transform: scale(1);
  -o-transform: scale(1);
  -ms-transform: scale(1);
  transform: scale(1);
  background: url(../images/hover.png) no-repeat left;
}

.item1 {
  background: url(../images/dec-point2.png) repeat;
  grid-area: item1;
}

.item2 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
  gap: 0px 0px;
  grid-area: item2;
}

.piece1 {
  width: 50px;
  height: 100px;
  background: #8acb1f;
  -webkit-filter: blur(5px); /* Chrome, Safari, Opera */
  filter: blur(5px);
  align-self: center;
  justify-self: center;
  /* z-index: -98; */
  grid-area: 1 / 1 / 3 / 2;
}

.slogan {
  z-index: 1;
  grid-area: 2 / 1 / 7 / 9;
}

.slogan h1 {
  font-family: "refrigerator_deluxeregular";
  color: #fff;
  font-size: 12em;
  font-weight: 400;
  line-height: 0.8;
  text-shadow: 10px 10px 20px rgb(0 29 84 / 30%);
}

.piece2 {
  width: 200px;
  height: 40px;
  background: #8acb1f;
  -webkit-filter: blur(1px); /* Chrome, Safari, Opera */
  filter: blur(1px);
  /* z-index: -99 ; */
  align-self: center;
  grid-area: 4 / 4 / 6 / 9;
}

.piece3 {
  width: 15px;
  height: 42px;
  background: #8acb1f;
  /* z-index: -100; */
  grid-area: 6 / 6 / 7 / 7;
}

.robot {
  background: url(../images/ROBOT.png) no-repeat left;
  width: 801px;
  height: 832px;
  justify-self: end;
  align-self: end;
  z-index: -1;
  grid-area: 1 / 1 / 3 / 4;
}

/* For presentation only, no need to copy the code below */

/* .container * {
  border: 1px solid red;
  position: relative;
} */

/* .container *:after {
  content:attr(class);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: grid;
  align-items: center;
  justify-content: center;
} */
