.ctn0 {
  margin-top: 100px;
  overflow: hidden;
}
.ctn0 .ctn-wrapper .left {
  width: 46%;
}
.ctn0 .ctn-wrapper .left ul {
  display: flex;
  flex-wrap: wrap;
}
.ctn0 .ctn-wrapper .left ul li {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #f8f8f8;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #222;
  margin-right: 10px;
  margin-top: 10px;
  cursor: pointer;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn0 .ctn-wrapper .left ul li:hover {
  background: var(--color);
  color: #fff;
}
.ctn0 .ctn-wrapper .left ul li.active {
  background: var(--color);
  color: #fff;
}
.ctn0 .ctn-list .titles {
  height: 80px;
  display: flex;
  align-items: center;
  background: var(--blue);
}
.ctn0 .ctn-list .titles h2 {
  width: 100%;
  text-align: center;
  line-height: 1.2;
  color: #fff;
}
.ctn0 .ctn-list .box ul {
  display: flex;
  justify-content: space-between;
  border-left: 1px solid #e5e5e5;
}
.ctn0 .ctn-list .box ul li {
  width: 18.5%;
  padding: 18px 14px;
  display: flex;
  align-items: center;
  line-height: 1.3;
  border-right: 1px solid #e5e5e5;
  border-bottom: 1px solid #e5e5e5;
}
.ctn0 .ctn-list .box ul li:first-child {
  width: 44.5%;
}
.ctn0 .ctn-list .box ul.first {
  background: #f2f4fa;
}
.ctn0 .ctn-list .box ul.first li {
  color: var(--blue);
}
.ctn1 .title p {
  line-height: 1.5;
}
.ctn2 {
  position: relative;
  overflow: hidden;
}
.ctn2 .box .top {
  position: relative;
}
.ctn2 .box .top:after {
  content: '';
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  position: absolute;
  left: 0;
  top: 0;
  z-index: 2;
}
.ctn2 .box .top img {
  width: 100%;
  position: relative;
  z-index: 1;
}
.ctn2 .box .top .text {
  position: absolute;
  width: 65%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  color: #fff;
  z-index: 3;
  text-align: center;
}
.ctn2 .box .top .text p {
  line-height: 1.8;
  margin-top: 14px;
}
.ctn2 .box .bottom .step {
  padding: 80px 0;
}
.ctn2 .box .bottom .step .title {
  display: flex;
  align-items: center;
}
.ctn2 .box .bottom .step .title .sign {
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-right: 16px;
  flex-shrink: 0;
}
.ctn2 .box .bottom .step .ctn-list ul {
  display: flex;
  flex-wrap: wrap;
}
.ctn2 .box .bottom .step .ctn-list ul li {
  width: 31%;
  margin-top: 50px;
}
.ctn2 .box .bottom .step .ctn-list ul li h2 {
  margin-bottom: 10px;
}
.ctn2 .box .bottom .step .ctn-list ul li p {
  line-height: 1.8;
  color: #777;
}
.ctn2 .box .bottom .step .ctn-list ul li:not(:nth-child(3n)) {
  margin-right: 3.5%;
}
.ctn2 .box .bottom .step:not(:last-child) {
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}
.ctn2 .box:not(:first-child) {
  margin-top: 20px;
}
@media screen and (max-width: 1600px) {
  .ctn0 {
    margin-top: 80px;
  }
  .ctn0 .ctn-wrapper .left ul li {
    width: 44px;
    height: 44px;
    margin-top: 8px;
    margin-right: 8px;
    font-size: 14px;
  }
  .ctn2 .box .bottom .step {
    padding: 4vw 0;
  }
  .ctn2 .box .bottom .step .ctn-list ul li {
    margin-top: 2.5vw;
  }
}
@media screen and (max-width: 1200px) {
  .ctn0 {
    margin-top: 70px;
  }
  .ctn2 .box .top .text {
    width: 80%;
  }
}
@media screen and (max-width: 768px) {
  .ctn0 {
    margin-top: 60px;
  }
  .ctn0 .ctn-wrapper .left {
    width: 100%;
  }
  .ctn0 .ctn-list {
    overflow-x: scroll;
  }
  .ctn0 .ctn-list .box {
    width: 800px;
  }
  .ctn0 .ctn-list .box ul li {
    padding: 12px;
  }
  .ctn2 .box .top:after {
    display: none;
  }
  .ctn2 .box .top .text {
    position: relative;
    width: 100%;
    color: #222;
    left: 0;
    top: 0;
    transform: translate(0, 0);
    -webkit-transform: translate(0, 0);
    -moz-transform: translate(0, 0);
    -ms-transform: translate(0, 0);
    margin-top: 4vw;
    text-align: left;
  }
  .ctn2 .box .top .text p {
    margin-top: 10px;
    line-height: 1.6;
  }
  .ctn2 .box .bottom .step {
    padding: 8vw 0;
  }
  .ctn2 .box .bottom .step .title .sign {
    margin-right: 10px;
  }
  .ctn2 .box .bottom .step .ctn-list ul li {
    width: 100%;
    margin-right: 0!important;
    margin-top: 5vw;
  }
  .ctn2 .box .bottom .step .ctn-list ul li h2 {
    margin-bottom: 6px;
  }
  .ctn2 .box .bottom .step .ctn-list ul li p {
    line-height: 1.6;
  }
}