* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html,
body,
div,
span,
p,
ul,
li,
a,
img,
h1,
form,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
textarea,
select,
option,
b,
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;
}
a {
  text-decoration: none;
}
ul,
li {
  list-style: none;
}
img {
  width: 100%;
}
.pc {
  display: block;
}
.mb {
  display: none;
}
.sectionMain {
  background: #edf0f5;
  padding: 0 12.5vw;
}
.sectionMain * {
  color: #333333;
}
.sectionMain a {
  color: #3d95e0;
}
.sectionMain .sesson1 {
  padding-top: 2.6041vw;
  padding-bottom: 1.0416vw;
}
.sectionMain .sesson1 h2 {
  font-size: 1.5625vw;
  line-height: 1.5;
  text-align: center;
  margin-bottom: 3.125vw;
}
.sectionMain .sesson1 .pro {
  display: flex;
}
.sectionMain .sesson1 .pro .proLeft {
  width: 23.4375vw;
}
.sectionMain .sesson1 .pro .proLeft .proImg img {
  width: 100%;
}
.sectionMain .sesson1 .pro .proLeft .proLink {
  text-align: center;
  margin: 1.0416vw 0;
}
.sectionMain .sesson1 .pro .proLeft .proLink a {
  font-size: 1.0416vw;
  text-decoration: underline !important;
}
.sectionMain .sesson1 .pro .proRight {
  margin-right: 2.0833vw;
}
.sectionMain .sesson1 .pro .proRight h3 {
  font-size: 1.25vw;
  margin-bottom: 0.3125vw;
}
.sectionMain .sesson1 .pro .proRight p {
  font-size: 1.0416vw;
  line-height: 1.5;
  margin-bottom: 0.3125vw;
}
.sectionMain .sesson1 .pro .proRight p a {
  text-decoration: underline !important;
}
.sectionMain .sesson2 img {
  width: 100%;
}
.sectionMain .sesson3 .pro {
  display: flex;
  padding-bottom: 2.3958vw;
  margin: 2.3958vw 0;
  border-bottom: 2px dashed #d0d7e3;
}
.sectionMain .sesson3 .pro:last-child {
  margin-bottom: 0;
  border-bottom: 0;
}
.sectionMain .sesson3 .pro .proLeft {
  width: 23.4375vw;
}
.sectionMain .sesson3 .pro .proLeft .proImg img {
  width: 100%;
}
.sectionMain .sesson3 .pro .proLeft .proLink {
  text-align: center;
  margin: 1.0416vw 0;
}
.sectionMain .sesson3 .pro .proLeft .proLink a {
  font-size: 1.0416vw;
  text-decoration: underline !important;
}
.sectionMain .sesson3 .pro .proRight {
  margin-right: 2.0833vw;
}
.sectionMain .sesson3 .pro .proRight h3 {
  font-size: 1.25vw;
  margin-bottom: 0.3125vw;
}
.sectionMain .sesson3 .pro .proRight p {
  font-size: 1.0416vw;
  line-height: 1.5;
  margin-bottom: 0.3125vw;
}
.sectionMain .sesson3 .pro .proRight p .nubmer {
  display: inline-block;
  width: 1.4583vw;
  height: 1.4583vw;
  border-radius: 1.4583vw;
  color: #fff;
  background: #3d95e0;
  text-align: center;
  margin-right: 0.2083vw;
}
.sectionMain .sesson3 .pro .proRight p a {
  text-decoration: underline !important;
}
.sectionMain .sesson4 {
  padding: 2.6041vw 0;
}
.sectionMain .sesson4 p {
  font-size: 0.9375vw;
  line-height: 1.5;
}
@media screen and (max-width: 767px) {
  .pc {
    display: none;
  }
  .mb {
    display: block;
  }
  .sectionMain {
    padding: 0 14px;
  }
  .sectionMain .sesson1 {
    padding-top: 7.7333vw;
  }
  .sectionMain .sesson1 h2 {
    font-size: 4vw;
  }
  .sectionMain .sesson1 .pro {
    flex-wrap: wrap;
  }
  .sectionMain .sesson1 .pro .proLeft {
    width: 100%;
  }
  .sectionMain .sesson1 .pro .proLeft .proImg {
    width: 60vw;
    text-align: center;
    margin: 2.6666vw auto;
  }
  .sectionMain .sesson1 .pro .proLeft .proLink {
    margin: 5.0666vw 0;
  }
  .sectionMain .sesson1 .pro .proLeft .proLink a {
    font-size: 3.2vw;
  }
  .sectionMain .sesson1 .pro .proRight {
    width: 100%;
    margin-right: 0;
  }
  .sectionMain .sesson1 .pro .proRight h3 {
    font-size: 3.2vw;
  }
  .sectionMain .sesson1 .pro .proRight p {
    font-size: 2.6666vw;
  }
  .sectionMain .sesson3 .pro {
    padding-bottom: 9.3333vw;
    margin: 9.3333vw 0;
    flex-wrap: wrap;
  }
  .sectionMain .sesson3 .pro .proLeft {
    width: 100%;
  }
  .sectionMain .sesson3 .pro .proLeft .proImg {
    width: 60vw;
    text-align: center;
    margin: 2.6666vw auto;
  }
  .sectionMain .sesson3 .pro .proLeft .proLink {
    margin: 5.0666vw 0;
  }
  .sectionMain .sesson3 .pro .proLeft .proLink a {
    font-size: 3.2vw;
  }
  .sectionMain .sesson3 .pro .proRight {
    width: 100%;
    margin-right: 0;
  }
  .sectionMain .sesson3 .pro .proRight h3 {
    font-size: 3.2vw;
  }
  .sectionMain .sesson3 .pro .proRight p {
    font-size: 2.6666vw;
  }
  .sectionMain .sesson3 .pro .proRight p .nubmer {
    width: 3.7333vw;
    height: 3.7333vw;
    border-radius: 3.7333vw;
    margin-right: 0.5333vw;
  }
  .sectionMain .sesson4 {
    padding: 4vw 0;
  }
  .sectionMain .sesson4 p {
    font-size: 2.4vw;
  }
}