/* 按钮 */
.button-group {
  display: inline-flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 25px;
}
.flex-box {
  display: flex;
}
.single-button {
  font-size: 16px;
  border-radius: 6px;
  color: #fff;
  background-color: #1ABC9C;
  font-weight: 600;
  padding: 0px 16px;
  transition: all 0.3s;
  cursor: pointer;
  line-height: 48px;
}
.single-button:hover {
  background-color: #12AB8D;
}
.single-button.has-icon {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.single-button.has-icon .iconfont {
  font-size: 20px;
}
.single-button.has-icon:hover {
  transform: translateY(-8px);
}
/* 冻结条 */
.common-sticky-nav {
  background: #ffffff;
  padding: 20px 0;
  box-shadow: 0px 1px 18px 0px rgba(0, 0, 0, 0.13);
  position: sticky;
  left: 0;
  top: 0px;
  width: 100%;
  z-index: 10;
}
.common-sticky-nav .flex-wrapper {
  justify-content: space-between;
}
.common-sticky-nav .sticky-nav-list {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 0 0 60%;
  box-sizing: border-box;
}
.common-sticky-nav .sticky-nav-item.active .sticky-nav-link {
  color: #1abc9c;
}
.common-sticky-nav .sticky-nav-link {
  font-size: 16px;
  font-weight: bold;
  color: #000;
}
.common-sticky-nav .sticky-nav-link:hover {
  color: #1abc9c;
}
.common-sticky-nav .system-button-group {
  display: flex;
  gap: 40px;
}
/* banner */
.banner {
  width: 100%;
  padding: 60px 0;
  display: flex;
  gap: 34px;
  flex-direction: column;
  align-items: center;
  background: url(/img/download/banner-bg.png) no-repeat;
  background-size: cover;
}
.banner .wrap-h1 {
  text-align: center;
  font-size: 40px;
  font-weight: bold;
  color: #000;
}
.banner .button-group {
  gap: 40px;
}

h2 {
  font-size: 28px;
  font-weight: 600;
  color: #000;
  line-height: 28px;
  margin-bottom: 20px;
  margin-top: 20px;
}
h3 {
  font-size: 21px;
  font-weight: 600;
  color: #000;
  line-height: 21px;
  margin-bottom: 20px;
  padding-top: 20px;
}
img {
  margin: 0 auto;
  max-width: 100%;
  margin-bottom: 20px;
  height: auto;
}
.content {
  max-width: 1140px;
  width: 100%;
  margin: 0 auto;
}
.guide-box {
  margin: 30px 0;
}
.guide-box > div {
  justify-content: space-between;
  align-items: start;
}
.guide-box .left-box {
  max-width: 234px;
  width: 100%;
  box-sizing: border-box;
}
.guide-box .left-box p {
  background: #000;
  padding: 20px;
  color: #fff;
  font-size: 18px;
  line-height: 22px;
  font-weight: 700;
  position: relative;
}
.guide-box .left-box p i {
  position: absolute;
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
  display: inline-block;
  width: 8px;
  height: 2px;
  background: rgb(51, 51, 51);
  transform: rotateZ(-135deg);
  margin-right: 5px;
}
.guide-box .left-box p::before {
  content: '';
  position: absolute;
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
  display: inline-block;
  width: 8px;
  height: 2px;
  background: rgb(51, 51, 51);
  transform: rotateZ(135deg);
}
.guide-box .left-box p.hide i {
  position: absolute;
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
  display: inline-block;
  width: 8px;
  height: 2px;
  background: rgb(51, 51, 51);
  transform: rotateZ(-45deg);
  margin-right: 5px;
}
.guide-box .left-box p.hide::before {
  content: '';
  position: absolute;
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
  display: inline-block;
  width: 8px;
  height: 2px;
  background: rgb(51, 51, 51);
  transform: rotateZ(45deg);
}
.youtube-player{
  margin-bottom: 20px;
}
.youtube-player>iframe{
  max-width: 100%;
}
span.red{
  color: rgb(255, 0, 0);
}
span.blue{
  color: rgb(0, 0, 255);
}
.guide-box .left-box .catalog {
  display: none;
  border: 1px solid #000;
  padding: 20px;
}
.guide-box .left-box .catalog.show {
  display: block;
}
.guide-box .left-box .catalog li {
  padding-left: 20px;
  position: relative;
  margin-bottom: 8px;
}
.guide-box .left-box .catalog li span {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  font-size: 16px;
  line-height: 24px;
  font-weight: 400;
  color: rgb(122, 122, 122);
}
.guide-box .left-box .catalog li a {
  font-size: 16px;
  line-height: 24px;
  color: rgb(122, 122, 122);
}
.guide-box .left-box .catalog li a:hover {
  color: rgb(97, 206, 112);
  font-weight: 500;
  border-bottom: 1px solid rgb(97, 206, 112);
}
.guide-box .left-box .catalog li.active a {
  color: rgb(51, 51, 51);
}
.guide-box .left-box .catalog li.active a:hover{
  border: none;
}
.right-box {
  max-width: 830px;
  width: 100%;
}
.right-box p {
  color: rgb(122, 122, 122);
  font-size: 16px;
  line-height: 24px;
  font-weight: 400;
  margin-bottom: 14px;
}
.right-box p.black{
  color: #000;
}
.right-box p span {
  font-weight: 700;
}
.right-box p a {
  color: rgb(18, 171, 141);
}
.right-box h3.step{
  font-size: 18px;
  line-height: 22px;
  font-weight: 700;
  color: #000;
  padding-top: 8px;
}
.right-box .list{
  padding-left: 40px;
  margin-bottom: 20px;
}
.num-list{
  padding-left: 20px;
  margin-bottom: 20px;
}
.right-box h2:first-child {
  margin-top: 0;
}
.right-box .list li,.num-list li{
  color: rgb(122, 122, 122);
  font-size: 16px;
  line-height: 24px;
  font-weight: 400;
  position: relative;
}
.right-box .list li.black,.num-list li.black{
  color: #000;
}
.num-list li span:first-child{
  position: absolute;
  left: -20px;
  top: 0px;
  line-height: 28px;
}
.right-box .list li::before{
  content: "";
  width: 6px;
  height: 6px;
  display: inline-block;
  position: absolute;
  left: -20px;
  top: 10px;
  border-radius: 50%;
  background: rgb(122, 122, 122);
}
.right-box .list li.black::before{
  background: #000;
}
@media screen and (max-width: 1200px) {
  .content {
    padding: 0 20px;
  }
}
@media screen and (max-width: 1140px) {
  .common-sticky-nav {
    padding: 20px 0;
  }
  .common-sticky-nav .mobile-style {
    display: block;
  }
  .common-sticky-nav .pc-style {
    display: none;
  }
  .common-sticky-nav .system-button-group {
    display: none;
  }
  .common-sticky-nav .mobile-sticky-wrapper {
    text-align: right;
  }
  .common-sticky-nav .mobile-sticky-wrapper .iconfont {
    font-size: 24px;
  }
  .common-sticky-nav .sticky-nav-list {
    margin-top: 5px;
    flex-direction: column;
    flex: unset;
    display: none;
  }
  .common-sticky-nav .sticky-nav-item {
    text-align: center;
    padding: 10px 0;
  }
  .common-sticky-nav .sticky-nav-item:hover,
  .common-sticky-nav .sticky-nav-item.active {
    background-color: #55595c;
  }
  .common-sticky-nav .sticky-nav-item:hover .sticky-nav-link,
  .common-sticky-nav .sticky-nav-item.active .sticky-nav-link {
    color: #fff;
  }
  .common-sticky-nav .sticky-nav-link {
    color: #494c4f;
  }
  .common-sticky-nav .sticky-nav-link:hover {
    color: unset;
  }
  .content {
    padding: 0 20px;
  }
  .guide-box .left-box {
    display: none;
  }
  .right-box {
    margin: 0 auto;
  }
}
@media screen and (max-width: 1100px) {
  .faqs-collapse .left-box {
    display: none;
  }
}
@media screen and (max-width: 770px) {
  .banner {
    padding: 40rem 0;
    display: flex;
    gap: 34rem;
  }
  .banner .wrap-h1 {
    font-size: 28rem;
    line-height: 1.5;
  }
  .banner .button-group {
    gap: 20rem;
    flex-wrap: nowrap;
  }
}
@media screen and (max-width: 480px) {
  .banner .button-group .single-button {
    font-size: 12rem;
  }
}