.mechanism {
  padding-top: 55px;
}
.index-xian {
  width: 70px;
  height: 4px;
  background: #67a9fb;
  margin: auto;
  margin-bottom: 40px;
}
.mechanism ul {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 0 100px;
  margin-bottom: 45px;
}
.mechanism ul li {
  width: 25%;
  padding: 0 1%;
  box-sizing: border-box;
  margin-bottom: 20px;
}

@media (max-width: 768px) {
  .mechanism ul {
    padding: 0;
  }

  .mechanism ul li {
    width: 100%;
    padding: 0 1%;
  }

  .index-jigou img {
    height: auto !important;
  }
}

.mechanism ul li a {
  display: block;
  background: #fff;
  box-shadow: 0 0 4px 2px #ccc;
  transition: 0.5s;
  padding-bottom: 10px;
}

.index-jigou img {
  display: block;
  width: 100%;
  height: 170px;
}
.index-content {
  padding: 0 20px;
  box-sizing: border-box;
}
.index-content div:nth-of-type(1) {
  height: 38px;
  line-height: 38px;
  font-size: 16px;
  color: #4f4f4f;
  padding: 0;
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.index-content div:nth-of-type(2) {
  color: #8a8a8a;
  font-size: 12px;
  height: 4.5em;
  line-height: 17px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}
.see {
  width: 98px;
  height: 33px;
  line-height: 33px;
  text-align: center;
  color: #4e9bfa;
  font-size: 16px;
  border: 1px solid #4e9bfa;
  margin: auto;
  margin-top: 10px;
  border-radius: 5px;
}

/* news */
.news {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 0 100px;
}

.news-item-title {
  position: relative;
  font-size: 20px;
  margin-bottom: 40px;
  text-align: center;
}

.news-item-title::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -10px;
  width: 70px;
  margin: auto;
  border-bottom: 2px solid #67a9fb;
}

.news-item {
  width: 49%;
  background-color: #fff;
  padding: 40px;
  box-sizing: border-box;
  margin-bottom: 20px;
}

.news-list-item {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed #cacaca;
  height: 55px;
  line-height: 55px;
  font-size: 14px;
  padding: 0 10px;
}

.news-list-item a {
  padding-right: 10px;
  color: #4b4b4b;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-list-item span {
  font-size: 12px;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .news {
    justify-content: center;
    padding: 0;
  }

  .news-item {
    width: 98%;
    padding: 20px;
  }
}

/* form */
.form {
  margin-top: 50px;
  padding: 0 100px;
}

.form-x {
  background: #fff;
  overflow: hidden;
  padding-bottom: 20px;
}

.form-title {
  height: 45px;
  line-height: 45px;
  text-align: center;
  color: #fff;
  background: #4e9bfa;
}

.form-main {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  padding: 0 100px;
  margin-top: 20px;
}

.input-x {
  width: 355px;
  margin: 0 10px 20px;
}

.form-label {
  display: inline-block;
  width: 80px;
}

.form-input {
  width: 270px;
  height: 35px;
  border-radius: 5px;
  border: 1px solid #cacaca;
  padding: 0 12px;
  box-sizing: border-box;
  outline: none;
  -webkit-appearance: none;
}

.submit-wrap {
  text-align: center;
}

.form-submit {
  width: 270px;
  height: 40px;
  line-height: 40px;
  border-radius: 5px;
  text-align: center;
  color: #fff;
  background: #67a9fb;
  font-size: 16px;
  margin: auto;
  border: 0 none;
  outline: none;
  cursor: pointer;
  margin-right: -80px;
}

@media (max-width: 768px) {
  .form,
  .form-main {
    padding: 0;
  }

  .input-x {
    width: 100%;
    box-sizing: border-box;
    padding: 0 20px;
    margin: 10px 0;
  }

  .submit-wrap {
    padding: 0 20px;
  }

  .form-input,
  .form-submit {
    width: 100%;
    margin-top: 10px;
  }

  .form-submit {
    margin-right: 0;
  }
}