.tradein * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
.tradein html,
.tradein body,
.tradein div,
.tradein span,
.tradein p,
.tradein ul,
.tradein li,
.tradein a,
.tradein img,
.tradein h1,
.tradein form,
.tradein h1,
.tradein h2,
.tradein h3,
.tradein h4,
.tradein h5,
.tradein h6,
.tradein hr,
.tradein textarea,
.tradein select,
.tradein option,
.tradein b,
.tradein i {
  font-style: normal;
  border: 0;
  font-family: Helvetica, Arial, '黑体', sans-serif;
  font-weight: normal;
  outline: 0;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}
.tradein a {
  text-decoration: none;
}
.tradein ul,
.tradein li {
  list-style: none;
}
.tradein img {
   width: 100%; 
}
.tradein .pc {
  display: block;
}
.tradein .mb {
  display: none;
}
.tradein .h2 {
  display: inline-block;
  text-align: center;
  font-size: 2.8645vw;
  padding-bottom: 1.302vw;
  border-bottom: 2px solid #fff;
  position: relative;
  color: #2a6a81;
  margin: 0;
}
.tradein .h2 sup {
  font-size: 1.25vw;
  top: -1em;
}
.tradein .h2::after {
  content: '';
  width: 7.1875vw;
  height: 2px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -2px;
  background: #4EF9FF;
}
.tradein .sectionHeader.banner {
  position: relative;
}
.tradein .sectionHeader.banner img {
  width: 100%;
}
.tradein .sectionHeader .bannerText {
  position: absolute;
  left: 12.4479vw;
  top: 4.6875vw;
}
.tradein .sectionHeader .bannerText .bannerTitle {
  font-size: 2.6041vw;
  color: #3D3D3D;
  line-height: 1.25;
  font-weight: bold;
}
.tradein .sectionHeader .bannerText .bannerTitle sup {
  top: -1em;
  font-size: 1.1458vw;
}
.tradein .sectionHeader .bannerText h4 {
  margin-top: 1.0937vw;
  font-size: 1.4583vw;
  color: #3D3D3D;
}
.tradein .sectionHeader .bannerText p {
  font-size: 1.4583vw;
}
.tradein .sectionHeader .bannerText p.blue {
  color: #2992B0;
}
.tradein .sectionMain {
  background: #a5c1cb;
}
.tradein .sectionMain .sesson1 {
  padding: 3.0729vw 12.552vw 3.5416vw;
}
.tradein .sectionMain .sesson1 p {
  background: url('../images/bg-overviewPC.png') no-repeat;
  background-size: 100% 100%;
  padding: 2.4479vw 4.6875vw 1.875vw 5.5208vw;
  font-size: 1.5625vw;
  color: #fff;
}
.tradein .sectionMain .sesson2 {
  text-align: center;
  padding-bottom: 5.625vw;
}
.tradein .sectionMain .sesson2 .sesson2Img {
  width: 85.8333vw;
  margin: 2.4479vw 0 0 3.177vw;
}
.tradein .sectionMain .sesson2 .sesson2Img img {
  width: 100%;
}
.tradein .sectionMain .sesson3 {
  text-align: center;
  padding-bottom: 5.1041vw;
  padding-left: 12.552vw;
  padding-right: 12.552vw;
}
.tradein .sectionMain .sesson3 .h2 {
  padding-left: 4.7916vw;
  padding-bottom: 1.0416vw;
}
.tradein .sectionMain .sesson3 .h2::before {
  content: '';
  background: url('../images/icon-sesson-3.png') no-repeat;
  background-size: 3.2291vw 2.7604vw;
  width: 3.2291vw;
  height: 2.7604vw;
  position: absolute;
  left: 0;
  top: 0.2604vw;
}
.tradein .sectionMain .sesson3 .sesson3Img {
  padding-top: 1.9791vw;
}
.tradein .sectionMain .sesson3 .sesson3Img img {
  width: 100%;
}
.tradein .sectionMain .sesson4 {
  text-align: center;
  padding-left: 12.552vw;
  padding-right: 12.552vw;
  padding-bottom: 2.0833vw;
}
.tradein .sectionMain .sesson4 .h2 {
  padding-bottom: 2.2395vw;
}
.tradein .sectionMain .sesson4 .sesson4title {
  margin-top: 2.2395vw;
  margin-bottom: 1.8229vw;
}
.tradein .sectionMain .sesson4 .sesson4title .h3 {
  display: inline-block;
  background: #357086;
  color: #fff;
  font-size: 2.3437vw;
  margin: 0;
  padding: 0.4687vw 3.125vw;
  border-radius: 5.2083vw;
  line-height: 1.75;
}
.tradein .sectionMain .sesson4 .sesson4Img {
  padding: 0 1.8229vw;
}
.tradein .sectionMain .sesson4 .sesson4Img img {
  width: 100%;
}
.tradein .sectionMain .sesson4 .note {
  text-align: center;
  padding: 1.875vw 0;
  color: #fff;
  font-size: 1.25vw;
}
.tradein .sectionMain .sesson5 {
  text-align: center;
  padding-left: 12.552vw;
  padding-right: 12.552vw;
  padding-bottom: 3.8541vw;
}
.tradein .sectionMain .sesson5 .sesson5Div {
  background: url(../images/bg-sesson5-pc.png) no-repeat;
  background-size: 100% 100%;
  height: 25.9375vw;
}
.tradein .sectionMain .sesson5 .h4 {
  text-align: center;
  font-size: 2.8645vw;
  color: #fff;
  line-height: 1.75;
  margin: 0;
}
.tradein .sectionMain .sesson5 .sesson5List {
  display: flex;
  flex-wrap: wrap;
  padding: 3.2291vw 0 0;
  justify-content: center;
}
.tradein .sectionMain .sesson5 .sesson5List li {
  padding: 0 1.9791vw;
}
.tradein .sectionMain .sesson5 .sesson5List li a {
  display: inline-block;
}
.tradein .sectionMain .sesson5 .sesson5List li a .icon {
  width: 8.2291vw;
  margin: 0 auto;
}
.tradein .sectionMain .sesson5 .sesson5List li a .icon img {
  width: 100%;
}
.tradein .sectionMain .sesson5 .sesson5List li a p {
  font-size: 1.25vw;
  color: #fff;
  margin: 1.5104vw 0 0.8854vw;
}
.tradein .sectionMain .sesson5 .sesson5List li a span {
  font-size: 0.9375vw;
  color: #fff;
  text-decoration: underline;
}
.tradein .sectionMain .sesson6 {
  text-align: center;
  padding-left: 12.552vw;
  padding-right: 12.552vw;
}
.tradein .sectionMain .sesson6 .sesson6Div {
  background: url(../images/bg-sesson6-pc.png) no-repeat;
  background-size: 100% 100%;
  height: 28.5416vw;
}
.tradein .sectionMain .sesson6 .h4 {
  text-align: center;
  font-size: 2.8645vw;
  color: #fff;
  line-height: 1.75;
  margin: 0;
}
.tradein .sectionMain .sesson6 .sesson6DivText {
  padding: 2.2916vw 3.125vw 0;
  text-align: left;
}
.tradein .sectionMain .sesson6 .sesson6DivText .sesson6DivTextList li {
  list-style: decimal;
  color: #fff;
  font-size: 1.1458vw;
  line-height: 1.5;
  margin-bottom: 0.7291vw;
}
.tradein .sectionMain .sesson7 {
  padding-left: 12.552vw;
  padding-right: 12.552vw;
  padding-top: 3.125vw;
  padding-bottom: 3.125vw;
}
.tradein .sectionMain .sesson7 .note p {
  font-size: 1.0416vw;
  line-height: 1.75;
  color: #2A809E;
}
@media screen and (max-width: 767px) {
  .tradein .pc {
    display: none;
  }
  .tradein .mb {
    display: block;
  }
  .tradein .h2 {
    font-size: 5.3333vw;
    padding-bottom: 2.4vw;
  }
  .tradein .h2 sup {
    font-size: 2.4vw;
    top: -1em;
  }
  .tradein .h2::after {
    content: '';
    width: 18.4vw;
  }
  .tradein .sectionHeader.banner {
    position: relative;
  }
  .tradein .sectionHeader.banner img {
    width: 100%;
  }
  .tradein .sectionHeader .bannerText {
    width: 100%;
    text-align: center;
    position: absolute;
    left: auto;
    top: 15.6vw;
  }
  .tradein .sectionHeader .bannerText .bannerTitle {
    font-size: 6vw;
    color: #333;
    line-height: 1.25;
    margin-top: 0;
  }
  .tradein .sectionHeader .bannerText .bannerTitle sup {
    top: -1em;
    font-size: 2.4vw;
  }
  .tradein .sectionHeader .bannerText h4 {
    margin-top: 1.8666vw;
    font-size: 3.7333vw;
    color: #3D3D3D;
  }
  .tradein .sectionHeader .bannerText p {
    font-size: 3.7333vw;
  }
  .tradein .sectionHeader .bannerText p.blue {
    color: #2992B0;
  }
  .tradein .sectionMain {
    background: #a5c1cb;
  }
  .tradein .sectionMain .sesson1 {
    padding: 4.2666vw 2.2666vw 8.6666vw;
  }
  .tradein .sectionMain .sesson1 p {
    background: url('../images/bg-overviewMB.png') no-repeat;
    background-size: 100% 100%;
    padding: 4.5333vw 6.1333vw 4.9333vw 10.8vw;
    font-size: 3.4666vw;
  }
  .tradein .sectionMain .sesson2 {
    text-align: center;
    padding-left: 2.4vw;
    padding-right: 2.4vw;
    padding-bottom: 7.3333vw;
  }
  .tradein .sectionMain .sesson2 .sesson2Img {
    width: 100%;
    margin: 2.1333vw 0 0 0;
  }
  .tradein .sectionMain .sesson2 .sesson2Img img {
    width: 100%;
  }
  .tradein .sectionMain .sesson3 {
    padding-bottom: 8.5333vw;
    padding-left: 2.4vw;
    padding-right: 2.4vw;
  }
  .tradein .sectionMain .sesson3 .h2 {
    padding-left: 9.4666vw;
    padding-bottom: 3.4666vw;
  }
  .tradein .sectionMain .sesson3 .h2::before {
    content: '';
    background: url('../images/icon-sesson-3.png') no-repeat;
    background-size: 8.2666vw 7.0666vw;
    width: 8.2666vw;
    height: 7.0666vw;
    position: absolute;
    left: 0;
    top: 0;
  }
  .tradein .sectionMain .sesson3 .sesson3Img {
    padding-top: 2.9333vw;
  }
  .tradein .sectionMain .sesson3 .sesson3Img img {
    width: 100%;
  }
  .tradein .sectionMain .sesson4 {
    padding-left: 2.4vw;
    padding-right: 2.4vw;
    padding-bottom: 6.1333vw;
  }
  .tradein .sectionMain .sesson4 .sesson4title {
    margin-top: 4.2666vw;
    margin-bottom: 1.0666vw;
  }
  .tradein .sectionMain .sesson4 .sesson4title .h3 {
    font-size: 4.6666vw;
    padding: 1.6vw 7.4666vw;
    border-radius: 13.3333vw;
    line-height: 1.75;
  }
  .tradein .sectionMain .sesson4 .sesson4Img img {
    width: 100%;
  }
  .tradein .sectionMain .sesson4 .note {
    padding: 4.6666vw 0 0;
    font-size: 3.2vw;
  }
  .tradein .sectionMain .sesson5 {
    padding-left: 2.4vw;
    padding-right: 2.4vw;
    padding-bottom: 6.1333vw;
  }
  .tradein .sectionMain .sesson5 .sesson5Div {
    background: url(../images/bg-sesson5-mb.png) no-repeat;
    background-size: 100% 100%;
    height: auto;
  }
  .tradein .sectionMain .sesson5 .h4 {
    font-size: 5.3333vw;
    line-height: 1.5;
    padding: 2vw 0;
    margin: 0;
  }
  .tradein .sectionMain .sesson5 .sesson5List {
    padding: 1.3333vw 0 6.6666vw;
  }
  .tradein .sectionMain .sesson5 .sesson5List.sesson5ListTop {
    padding-top: 2vw;
  }
  .tradein .sectionMain .sesson5 .sesson5List.sesson5ListTop li {
    padding: 0 5.0666vw;
  }
  .tradein .sectionMain .sesson5 .sesson5List.sesson5ListBottom {
    margin: 0 -2.1333vw;
  }
  .tradein .sectionMain .sesson5 .sesson5List.sesson5ListBottom li {
    padding: 0 2.1333vw;
  }
  .tradein .sectionMain .sesson5 .sesson5List li a .icon {
    width: 21.0666vw;
  }
  .tradein .sectionMain .sesson5 .sesson5List li a p {
    font-size: 3.4666vw;
    margin: 3.8666vw 0 2vw;
  }
  .tradein .sectionMain .sesson5 .sesson5List li a span {
    font-size: 3.4666vw;
  }
  .tradein .sectionMain .sesson6 {
    padding-left: 2.4vw;
    padding-right: 2.4vw;
  }
  .tradein .sectionMain .sesson6 .sesson6Div {
    background: url(../images/bg-sesson6-mb.png) no-repeat;
    background-size: 100% 100%;
    height: auto;
  }
  .tradein .sectionMain .sesson6 .h4 {
    font-size: 5.3333vw;
    line-height: 1.5;
    padding: 2vw 0;
    margin: 0;
  }
  .tradein .sectionMain .sesson6 .sesson6DivText {
    padding: 4.6666vw 3.3333vw 4.6666vw 6.6666vw;
  }
  .tradein .sectionMain .sesson6 .sesson6DivText .sesson6DivTextList li {
    font-size: 2.9333vw;
    margin-bottom: 3.7333vw;
  }
  .tradein .sectionMain .sesson7 {
    padding-left: 2.4vw;
    padding-right: 2.4vw;
    padding-top: 3.7333vw;
    padding-bottom: 3.7333vw;
  }
  .tradein .sectionMain .sesson7 .note p {
    font-size: 2.4vw;
  }
}