@import url("./basic.css");
@import url("./element.css");
@import url("./footer.css");
@import url("./header.css");
@import url("./swiper.min.css");

main {
  margin-top: 0.8rem;
}
.banner {
  height: 4.9rem;
}

.banner img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.h3 {
  font-weight: 600;
  font-size: 0.3rem;
  color: #000000;
}
.intro h1 {
  font-weight: 600;
  font-size: 0.3rem;
  color: #000000;
  text-align: center;
}
.intro h3 {
  font-weight: 600;
  font-size: 0.3rem;
  color: #000000;
  text-align: center;
}
.intro p {
  font-weight: 400;
  font-size: 0.3rem;
  color: #000000;
  line-height: 0.55rem;
  text-align: justify;
  padding: 0 0.98rem;
  box-sizing: border-box;
  margin-top: 0.31rem;
  text-indent: 2em;
}

.sys_item {
  margin-top: 0.51rem;
}
.sys_item::before,
.sys_item::after {
  content: '';
  display: block;
  height: 6px;
  background: #232323;
}
.sys_item ul {
  margin: 0.15rem 0;
  padding: 0.64rem 1.52rem;
  box-sizing: border-box;
  overflow: hidden;
  background: #232323;
}
.sys_item ul li {
  width: 1.92rem;
  height: 1.92rem;
  border: 2px solid #f4cd90;
  box-sizing: border-box;
  border-radius: 50%;
  float: left;
  margin-right: 0.92rem;
  font-weight: 500;
  font-size: 0.24rem;
  text-align: center;
  line-height: 1.7rem;
  color: #000000;
}
.sys_item ul li:last-child {
  margin-right: 0;
}
.sys_item ul li div {
  width: 100%;
  height: 100%;
  border: 0.12rem solid #232323;
  box-sizing: border-box;
  border-radius: 50%;
  background: #f4cd90;
}
.intro.other p {
  margin-top: 0;
}
.tree_process {
  margin-top: 0.78rem;
}
.tree_process h3 {
  width: 2.35rem;
  height: 0.82rem;
  background: #757cff;
  border-radius: 1px;
  text-align: center;
  line-height: 0.86rem;
  font-weight: 400;
  font-size: 0.3rem;
  color: #ffffff;
  margin: 0 auto;
}
.tree_process .tree_process_list {
  padding: 0 3.74rem 0.71rem;
  box-sizing: border-box;
  overflow: hidden;
  margin-top: 0.6rem;
}
.tree_process .tree_process_list li {
  float: left;
  width: 2.35rem;
  height: 0.82rem;
  border-radius: 1px;
  border: 2px solid #757cff;
  margin-right: 0.76rem;
  margin-bottom: 0.3rem;
  font-weight: 400;
  font-size: 0.3rem;
  text-align: center;
  line-height: 0.78rem;
  color: #000000;
  box-sizing: border-box;
}
.tree_process .tree_process_list li:nth-child(4n) {
  margin-right: 0;
}

@media screen and (min-width: 300px) and (max-width: 750px) {
  .banner {
    height: auto;
  }
  .intro p {
    padding: 0.2rem;
  }

  .sys_item ul {
    padding: 0.5rem 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center; /* 水平居中 */
    align-items: center; /* 垂直居中 */
    gap: 20px;
  }

  .sys_item ul li {
    width: unset;
    height: unset;
    margin: 0;
    text-align: center;
    flex: 0 1 calc(33.333% - 20px); /* 使每个项尝试占据三分之一的容器宽度，减去间隙 */
  }

  .tree_process .tree_process_list {
    padding: 0.2rem 0;
    margin: 0;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.2rem;
  }

  .tree_process .tree_process_list li {
    margin: 0;
  }
}