.w {
  width: 1200px;
  margin: 0 auto;
}
.top-pic {
  position: relative;
  margin-bottom: 70px;
}
.top-pic .top-text {
  width: 1130px;
  height: 480px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #060511;
  color: #fff;
}
.top-pic .top-text p {
  color: #fff;
}
.top-pic .top-text h2 {
  margin-top: 34px;
  font-size: 29.17px;
  text-align: center;
  letter-spacing: 1px;
  font-family: "方正大标宋简体";
}
.top-pic .top-text h1 {
  font-family: "方正大标宋简体";
  font-size: 58px;
  text-align: center;
}
.top-pic .top-text p {
  font-family: "方正大标宋简体";
  text-align: center;
  font-size: 33.33px;
}
.top-pic .top-text .w-line {
  width: 95%;
  margin: 0 auto;
  height: 2px;
  background: #fff;
  margin-bottom: 6px;
}
.top-pic .top-text p:nth-child(5) {
  margin-top: 66px;
}
.top-pic .top-text p:nth-child(7) {
  font-size: 29px;
}
.top-pic a {
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  top: 92%;
  display: block;
  width: 158px;
  height: 48px;
  border: 1px solid #fff;
  line-height: 48px;
  text-align: center;
  color: #fff;
  font-size: 20.83px;
  background: #060511;
}
.anpai {
  margin-bottom: 30px;
}
.anpai .anpai-b {
  height: 480px;
  width: 50%;
  float: left;
}
.anpai .anpai-b > p {
  width: 210px;
  height: 50px;
  line-height: 50px;
  background: #0a3747;
  margin: 0 auto;
  color: #fff;
  font-size: 22.92px;
  text-align: center;
  margin-bottom: 15px;
}
.anpai .anpai-b .line {
  width: 460px;
  height: 1px;
  margin: 0 auto;
  margin-bottom: 15px;
  background: #0a3747;
}
.anpai .anpai-b .anpai-text1 {
  width: 430px;
  height: 350px;
  background: #0a3747;
  margin: 0 auto;
  padding: 30px 20px;
  box-sizing: border-box;
}
.anpai .anpai-b .anpai-text1 p {
  color: #fff;
  font-size: 16px;
  float: right;
  width: 300px;
  position: relative;
}
.anpai .anpai-b .anpai-text1 p span {
  width: 80px;
  position: absolute;
  left: -30%;
  top: 0;
  display: inline-block;
}
.anpai .anpai-b .anpai-text2 {
  width: 430px;
  height: 350px;
  background: #0a3747;
  margin: 0 auto;
  padding: 30px 20px;
  box-sizing: border-box;
}
.anpai .anpai-b .anpai-text2 h2 {
  font-size: 24px;
  color: #fff;
  text-align: center;
  margin-bottom: 5px ;
}
.anpai .anpai-b .anpai-text2 .hui {
  font-size: 12px;
  color: #ccc;
  margin-bottom: 30px;
}
.anpai .anpai-b .anpai-text2 p {
  text-align: center;
  font-size: 16px;
  color: #fff;
  margin-bottom: 20px;
}
.content {
  margin-bottom: 70px;
}
.content .content-t {
  width: 200px;
  height: 45px;
  background: #0a3747;
  color: #fff;
  text-align: center;
  line-height: 45px;
  margin-bottom: 15px;
  font-size: 22.92px;
}
.content .b-line {
  width: 100%;
  height: 2px;
  background: #0a3747;
}
.content p {
  font-size: 22.92px;
  padding: 0 20px;
  box-sizing: border-box;
}
.content p:nth-child(3) {
  margin-top: 30px;
}
.lesson {
  margin-bottom: 70px;
}
.lesson .lesson-t {
  width: 200px;
  height: 45px;
  background: #0a3747;
  color: #fff;
  text-align: center;
  line-height: 45px;
  margin-bottom: 15px;
  font-size: 22.92px;
}
.lesson .b-line {
  width: 100%;
  height: 2px;
  background: #0a3747;
}
.lesson p:nth-child(3) {
  margin-top: 20px;
}
.lesson p {
  font-size: 18.75px;
  padding: 0 20px;
  box-sizing: border-box;
  line-height: 1.7;
}
.xuzhi {
  margin-bottom: 70px;
}
.xuzhi .xuzhi-t {
  width: 200px;
  height: 45px;
  background: #0a3747;
  color: #fff;
  text-align: center;
  line-height: 45px;
  margin-bottom: 15px;
  font-size: 22.92px;
}
.xuzhi .b-line {
  width: 100%;
  height: 2px;
  background: #0a3747;
}
.xuzhi p {
  font-size: 18.75px;
  margin: 10px 20px;
}
.xuzhi p:nth-child(odd) {
  font-weight: 700;
  font-size: 22.92px;
}
@media only screen and (min-width: 320px) and (max-width: 767px) {
  .W {
    width: 100%;
  }
  .top-pic {
    margin-bottom: 40px;
  }
  .top-pic img {
    width: 100%;
    height: 250px;
  }
  .top-pic .top-text {
    width: 90%;
    height: auto;
    margin: 0 auto;
    top: 40%;
  }
  .top-pic .top-text h2 {
    font-size: 12px;
    margin-top: 5px;
    margin-bottom: 5px;
  }
  .top-pic .top-text h1 {
    margin-bottom: 5px;
    margin-top: 5px;
    font-size: 14px;
  }
  .top-pic .top-text p {
    font-size: 12px;
    margin-bottom: 5px;
  }
  .top-pic .top-text p:nth-child(5) {
    margin-top: 10px;
  }
  .top-pic .top-text p:nth-child(7) {
    font-size: 12px;
  }
  .top-pic a {
    top: 88%;
    display: block;
    width: 90px;
    height: 30px;
    border: 1px solid #fff;
    line-height: 30px;
    text-align: center;
    color: #fff;
    font-size: 14px;
    background: #060511;
  }
  .anpai .anpai-b {
    width: 90%;
    margin: 0 auto;
    float: none;
  }
  .anpai .anpai-b .line {
    width: 100%;
    height: 1px;
    margin: 0 auto;
    margin-bottom: 15px;
    background: #0a3747;
  }
  .anpai .anpai-b .anpai-text1,
  .anpai .anpai-b .anpai-text2 {
    width: 100%;
    height: 350px;
    margin: 0 auto;
  }
  .anpai .anpai-b .anpai-text1 {
    padding-right: 15px;
    overflow: hidden;
  }
  .anpai .anpai-b .anpai-text1 p {
    width: 200px;
    font-size: 14px;
  }
  .anpai .anpai-b .anpai-text1 p span {
    left: -35%;
    top: 5%;
  }
  .content {
    margin-bottom: 30px;
  }
  .content .content-t {
    width: 150px;
    margin-left: 10px;
  }
  .content p {
    font-size: 18px;
    padding: 0 20px;
    box-sizing: border-box;
  }
  .content p:nth-child(3) {
    margin-top: 20px;
  }
  .lesson {
    margin-bottom: 30px;
  }
  .lesson .lesson-t {
    width: 150px;
    margin-left: 10px;
  }
  .lesson p {
    font-size: 16px;
    text-indent: 2em;
  }
  .xuzhi {
    margin-bottom: 30px;
  }
  .xuzhi .xuzhi-t {
    width: 150px;
    margin-left: 10px;
  }
  .xuzhi p {
    font-size: 16px;
  }
  .xuzhi p:nth-child(odd) {
    font-weight: 700;
    font-size: 20px;
  }
}