body {
  background: linear-gradient(49deg, #051655 0%, #07123B 100%);
}
.filter {
  margin-top: 60px;
  margin-bottom: 15px;
}
.filter .filter-item {
  display: flex;
  margin-bottom: 8px;
}
.filter .filter-item span {
  color: #fff;
  padding: 6px 0;
}
.filter .filter-item ul {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
}
.filter .filter-item ul li {
  padding: 6px 18px;
  color: #fff;
  margin-right: 5px;
  cursor: pointer;
  transition: all 0.3s;
  flex: none;
  margin-bottom: 15px;
}
.filter .filter-item ul li.active,
.filter .filter-item ul li:hover {
  background: #2593FD;
  border-radius: 3px;
}
.center {
  padding-top: 90px;
  padding-bottom: 100px;
}
.center .list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 30px;
}
.center .list li .video {
  position: relative;
  display: flex;
  aspect-ratio: 371 / 243;
}
.center .list li .video img {
  width: 43px;
  height: 43px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
}
.center .list li .video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.center .list li .info {
  background: #fff;
  padding: 16px 20px;
  border-radius: 0 0 13px 13px;
  min-height: 94px;
}
.center .list li .info p:not(:last-child) {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 10px;
}
.center .list li .info p:last-child {
  font-size: 16px;
  color: #878787;
  line-height: 24px;
}
@media screen and (max-width: 1440px) {
  .center .list li .info p:not(:last-child) {
    font-size: 18px;
  }
}
@media screen and (max-width: 1366px) {
  .center .list {
    grid-template-columns: repeat(3, 1fr);
  }
  .center .list li .info p:not(.ellipsis-2) {
    font-size: 18px;
  }
}
@media screen and (max-width: 1024px) {
  body {
    background: #1B1B1B;
  }
  .filter {
    display: flex;
    gap: 0;
    margin-top: 0;
  }
  .filter .filter-item {
    flex: 1;
    position: relative;
    margin-bottom: 0;
  }
  .filter .filter-item:nth-child(1) {
    padding-right: 10%;
  }
  .filter .filter-item:nth-child(2) {
    padding-left: 10%;
  }
  .filter .filter-item > span {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 0;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    position: relative;
  }
  .filter .filter-item > span::after {
    content: '';
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 7px solid #fff;
    transition: transform 0.3s;
    margin-left: 4px;
    margin-top: 2px;
  }
  .filter .filter-item > span:hover {
    background: none;
  }
  .filter .filter-item ul {
    display: none;
    flex-direction: column;
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 8px);
    z-index: 5;
    background: #141414;
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 3px;
    overflow: hidden;
  }
  .filter .filter-item ul li {
    margin-right: 0;
    padding: 9px 14px;
    font-size: 14px;
    border-radius: 0;
    text-align: center;
  }
  .filter .filter-item ul li.active,
  .filter .filter-item ul li:hover {
    background: #2593FD;
  }
  .filter .filter-item.open > span::after {
    transform: rotate(180deg);
  }
  .filter .filter-item.open ul {
    display: flex;
  }
  .center {
    padding: 0 8% 50px;
  }
  .center .com_tit {
    display: none;
  }
  .center .list {
    grid-template-columns: 1fr;
    gap: 15px;
    margin-top: 15px;
  }
  .center .list li .video img {
    width: 36px;
    height: 36px;
  }
  .center .list li .info {
    padding: 13px 20px 14px;
    border-radius: 0 0 8px 8px;
    min-height: 74px;
  }
  .center .list li .info p:not(:last-child) {
    font-size: 16px;
    margin-bottom: 6px;
  }
  .center .list li .info p:last-child {
    font-size: 14px;
    line-height: 22px;
  }
}