* {
  margin: 0;
  padding: 0;
}
:root {
  --wrapWidth: 1100px;
  font-size: 16px;
}
.wrap {
  width: var(--wrapWidth);
  margin-left: auto;
  margin-right: auto;
}
.flex {
  display: flex;
}
.text-4xl{
  font-size: 2.25rem;
    line-height: 2.5rem;
    font-weight: 500;
}
#banner {
  width: 100%;
  height: 518px;
  background-color: #1F2430;
}
#banner .left {
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 20px;
  justify-content: center;
  align-items: start;
}
#banner .left .sub-title {
  background: linear-gradient(90deg, #00AF83 0%, rgba(0, 175, 131, 0) 100%);
  padding: 4px 6px;
  border-radius: 4px;
}
#banner .left .download-btn {
  font-size: 20px;
  padding: 10px 20px;
  border-radius: 30px;
  background-color: #00af83;
  margin-top: 20px;
  display: inline-block;
  color: #fff;
  text-decoration: none;
}
#banner .right img {
  width: 606px;
  height: 475px;
}
.list {
  display: flex;
  justify-content: space-between;
  margin: 80px 0;
}
.list li {
  width: 23%;
  border: 1px solid #eee;
  height: 370px;
  transition: 0.2s;
}
.list li .item-top {
  display: flex;
  width: 100%;
  height: 50%;
  justify-content: center;
  align-items: center;
  position: relative;
}
.list li .item-top:after {
  position: absolute;
  bottom: 0;
  width: 100px;
  height: 10px;
  margin: 0 auto;
  content: "";
  background: url('../images/iconline.png') no-repeat center;
  background-size: auto 5px;
}
.list li .item-top img {
  width: 100px;
  height: 100px;
}
.list li:hover {
  transform: scale(1.05) translateY(-20px);
  transition: 0.2s;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}
.tab {
  padding: 120px 0;
}
.tab .tab-head {
  display: flex;
  justify-content: center;
  border-bottom: 2px solid #E2E4E6;
}
.tab .tab-head .tab-head-item {
  color: #333;
  font-size: 24px;
  margin: 0 40px;
  padding-bottom: 15px;
  margin-bottom: -2px;
}
.tab .tab-head .tab-head-item.active {
  color: #00AF83;
  font-weight: bold;
  border-bottom: 2px solid #00AF83;
}
.tab .tab-content {
  margin-top: 80px;
}
.tab .tab-content ul {
  display: none;
  justify-content: space-between;
}
.tab .tab-content ul.active {
  display: flex;
}
.tab .tab-content .contact li {
  width: 340px;
  height: 516px;
  border: 2px solid #eee;
  display: flex;
  flex-direction: column;
}
.tab .tab-content .contact li .item-top {
  height: 200px;
  border-bottom: 2px solid #eee;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
.tab .tab-content .contact li .item-top img {
  width: 67px;
  height: 64px;
}
.tab .tab-content .contact li .item-top h4 {
  margin-top: 30px;
  font-size: 24px;
}
.tab .tab-content .contact li .item-bottom {
  background-color: #F8FAFC;
  flex: 1;
  padding: 30px;
}
.tab .tab-content .contact li .item-bottom .desc {
  padding-bottom: 30px;
  border-bottom: 1px solid #eee;
  font-size: 14px;
  color: #596580;
}
.tab .tab-content .contact li .item-bottom .chat-list {
  padding-top: 30px;
}
.tab .tab-content .contact li .item-bottom .chat-list p {
  font-size: 12px;
  line-height: 16px;
  display: flex;
  margin: 10px 0;
  flex: 1;
}
.tab .tab-content .contact li .item-bottom .chat-list .q {
  color: #596580;
}
.tab .tab-content .contact li .item-bottom .chat-list .q::before {
  content: "";
  display: block;
  flex: 0 0 12px;
  height: 12px;
  background: url('../images/vistor.png') no-repeat left center;
  background-size: 100% 100%;
  margin-right: 10px;
}
.tab .tab-content .contact li .item-bottom .chat-list .a {
  color: #00af83;
}
.tab .tab-content .contact li .item-bottom .chat-list .a::before {
  content: "";
  display: block;
  flex: 0 0 12px;
  height: 12px;
  margin-right: 10px;
  background: url('../images/rob_men.png') no-repeat left center;
  background-size: 100% 100%;
}
.tab .tab-content .chat li {
  width: 344px;
  text-align: center;
}
.tab .tab-content .chat p {
  font-size: 20px;
  line-height: 28px;
  margin-bottom: 30px;
}
footer {
  background-color: #1F2430;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}
footer .copyright {
  font-size: 12px;
  color: #fff;
}
.copyright a {
  color: #fff;
  text-decoration: none;
}