.w {
  width: 1200px;
  margin: 0 auto;
}
.top-pic {
  margin-bottom: 50px;
  position: relative;
}
.top-pic img {
  width: 100%;
}
.top-pic h2,
.top-pic h1,
.top-pic a {
  color: #fff;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
}
.top-pic .top-text {
  position: absolute;
  top: 60%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 688px;
  height: 75px;
  border: 1px solid #fff;
  padding: 14px 12px;
  box-sizing: border-box;
}
.top-pic .top-text p {
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.5);
  font-size: 30px;
  text-align: center;
  color: #0a3747;
}
.top-pic h2 {
  top: 30%;
}
.top-pic h1 {
  font-size: 45px;
  top: 40%;
  letter-spacing: 1px;
}
.top-pic a {
  border: 1px solid #fff;
  width: 154px;
  height: 45px;
  background: #0a3747;
  top: 90%;
  text-align: center;
  line-height: 45px;
  font-size: 20px;
}
.about {
  margin-bottom: 50px;
}
.about h2,
.about p {
  text-align: center;
}
.about > p {
  font-weight: 700;
}
.about .line {
  width: 150px;
  height: 30px;
  margin: 0 auto;
  text-align: center;
}
.about .line .shortline {
  width: 55px;
  height: 2px;
  background: #0076a8;
  vertical-align: middle;
  display: inline-block;
}
.about .line span {
  color: #0076a8;
}
.about .about-b p {
  text-align: left;
  margin: 0;
  font-size: 18px;
  color: #0a3747;
}
.jingyan {
  height: 465px;
  background: #f7f9f9;
  padding-top: 40px;
  box-sizing: border-box;
  margin-bottom: 50px;
}
.jingyan .jingyan-b img {
  float: left;
}
.jingyan .jingyan-b ul {
  float: right;
  width: 50%;
  padding-top: 20px;
  box-sizing: border-box;
}
.jingyan .jingyan-b ul li {
  height: 80px;
}
.jingyan .jingyan-b ul li img {
  margin-right: 30px;
  margin-left: 30px;
}
.jingyan .jingyan-b ul li p {
  padding-top: 10px;
  box-sizing: border-box;
  margin-bottom: 0;
}
.jingyan .jingyan-b ul li p:nth-child(2) {
  font-size: 16px;
}
.needs h2,
.needs p {
  text-align: center;
}
.needs > p {
  font-weight: 700;
}
.needs .line {
  width: 150px;
  height: 30px;
  margin: 0 auto;
  text-align: center;
  margin-bottom: 30px;
}
.needs .line .shortline {
  width: 55px;
  height: 2px;
  background: #0076a8;
  vertical-align: middle;
  display: inline-block;
}
.needs .line span {
  color: #0076a8;
}
@media only screen and (min-width: 320px) and (max-width: 767px) {
  .w {
    width: 100%;
  }
  .top-pic {
    margin-bottom: 30px;
    position: relative;
    height: 200px;
  }
  .top-pic img {
    width: 100%;
    height: 100%;
  }
  .top-pic .top-text {
    top: 60%;
    width: 250px;
    height: 45px;
    padding: 4px;
  }
  .top-pic .top-text p {
    width: 100%;
    height: 100%;
    font-size: 16px;
    line-height: 35px;
  }
  .top-pic h2 {
    width: 220px;
    top: 12%;
    font-size: 12px;
  }
  .top-pic h1 {
    font-size: 18px;
    top: 30%;
    width: 240px;
  }
  .top-pic a {
    border: 1px solid #fff;
    width: 120px;
    height: 30px;
    background: #0a3747;
    top: 85%;
    text-align: center;
    line-height: 30px;
    font-size: 12px;
  }
  .about {
    margin-bottom: 40px;
  }
  .about h2,
  .about p {
    text-align: center;
  }
  .about > p {
    margin-bottom: 0;
    font-weight: 700;
  }
  .about h2 {
    font-size: 22px;
    margin-top: 10px;
  }
  .about .line {
    width: 150px;
    height: 30px;
    margin: 0 auto;
    text-align: center;
  }
  .about .about-b {
    padding: 0 10px;
    box-sizing: border-box;
  }
  .about .about-b p {
    text-align: left;
    margin: 0;
    font-size: 14px;
    color: #0a3747;
    text-indent: 2em;
  }
  .jingyan {
    display: none;
  }
  .jingyan-m {
    display: block !important;
  }
  .jingyan-m > img {
    width: 100%;
  }
  .jingyan-m .jingyan-text li {
    padding: 0 10px;
    padding-top: 10px;
    box-sizing: border-box;
  }
  .jingyan-m .jingyan-text li img {
    width: 70px;
    height: 70px;
    float: left;
  }
  .jingyan-m .jingyan-text li .jingyan-r {
    margin-left: 70px;
  }
  .jingyan-m .jingyan-text li .jingyan-r p:nth-child(2) {
    font-size: 12px;
  }
}