main {
  margin-top: 5.75rem;
}
main .banner {
  height: 31rem;
  position: relative;
}
main .banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
main .banner span {
  color: #fff;
  font-weight: bold;
  position: absolute;
  left: 10%;
}
main .banner .sp1 {
  top: 39%;
  font-size: 2.75rem;
}
main .banner .sp2 {
  top: 53%;
  font-size: 2rem;
}
main .nav {
  padding: 1% 5%;
  display: flex;
  align-items: center;
  background: url("/imgs/nvabg.png") no-repeat;
}
main .nav img {
  width: 1.25rem;
  margin-right: 0.81rem;
}
main .nav a {
  font-size: 0.88rem;
  color: #999;
}
main .nav span {
  font-size: 0.88rem;
  color: #5fa7ff;
}
main .text {
  display: flex;
  flex-direction: column;
  padding: 2.4% 9%;
  padding-top: 0;
}
main .text .p {
  font-size: 22px;
  font-weight: 600;
  text-align: center;
  color: #2c3236;
  margin: 3.75rem 0 1.25rem;
}
main .text .bj {
  padding-bottom: 1.4rem;
  border-bottom: 0.5px solid rgba(0, 0, 0, 0.3);
  justify-content: center;
  margin: 0 auto;
  display: flex;
  font-size: 14px;
  color: rgba(44, 50, 54, 0.6);
}
main .text .bj .liu span {
  color: #4293ee;
}
main .text .text {
  border-bottom: 0.5px solid rgba(0, 0, 0, 0.3);
  padding: 3.75rem 0 6.25rem;
  line-height: 2;
  font-size: 16px;
  color: rgba(44, 50, 54, 0.9);
}
main .text .text .primg {
  width: 50%;
  margin: 5% auto;
}
main .text .bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 5rem 0;
  color: #999999;
  font-size: 1rem;
  flex-wrap: wrap;
}
main .text .bottom span {
  margin-bottom: 1.25rem;
  border: 0.5px solid rgba(0, 0, 0, 0.3);
  border-radius: 160px;
  padding: 0.625rem 1.5625rem;
}
/* 窗口宽度<960,设计宽度=768 */
@media screen and (max-width: 959px) {
  main {
    margin-top: 0;
  }
  main .banner {
    height: 300px;
  }
  main .banner .sp1 {
    color: #000;
    font-size: 20px;
  }
  main .banner .sp2 {
    color: #000;
    font-size: 16px;
  }
  main .nav a {
    font-size: 14px;
  }
  main .nav span {
    font-size: 14px;
  }
  main .text {
    padding: 4%;
    padding-top: 0;
  }
  main .text .bj {
    flex-direction: column;
    align-items: center;
  }
  main .text .p {
    font-size: 16px;
    font-weight: bold;
  }
  main .text .date {
    font-size: 12px;
  }
  main .text .text {
    font-size: 16px;
    line-height: 2;
  }
  main .text .text .primg {
    width: 100%;
  }
  main .text .bottom {
    flex-direction: column;
  }
  main .text .bottom span {
    width: 90%;
    padding: 4%;
    margin-bottom: 20px;
    font-size: 16px;
  }
}
<!--耗时1794245540.471秒-->