body {
  background: url(../images/search/bg_img.png) no-repeat;
  background-size: 367px;
  background-position: -100px 50%;
}

.banner {
  min-width: 1200px;
  height: 330px;
  background: url(../images/banner_free.png) no-repeat center center;
  background-color: #f8f8f8;
  /* background-size: 100% 100%; */
}

.center {
  min-width: 1200px;
}

.search_box {
  width: 1000px;
  margin: auto;
  font-size: 26px;
  text-align: center;
  margin-top: 80px;
}
.free_tips {
  font-size: 16px;
  text-align: center;
  margin-top: 20px;
}

.free_type {
  width: 800px;
  margin: auto;
  margin-top: 40px;
  margin-bottom: 222px;
  display: flex;
  flex-wrap: wrap;
}
.free_type_box {
  cursor: pointer;
  float: left;
  border: 1px solid #ccc;
  margin: 0 20px 20px 0;
  background-color: #fff;
  border-radius: 10px;
  padding: 15px 0;
  width: 240px;
  height: 120px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.fb_title {
  font-size: 2em;
  color: #008000;
}
.red {
  color: #ff4500;
}
.fb_title span {
  font-size: 16px;
}
.fb_tips {
  font-size: 14px;
  margin: 10px 0;
}
.fb_desc {
  font-size: 14px;
  color: rgb(128, 128, 128);
}