.zt_main {
  background: url(bg_Xu260731.png) no-repeat top center;
  background-size: cover;
  width: 100%;
  min-width: 0;
  overflow: hidden;
}
.zt_main .container {
  box-sizing: border-box;
  width: 1390px;
  max-width: calc(100% - 48px);
  margin: 140px auto 0;
  background-color: #fff;
  padding: 60px 60px 20px;
}
.zt_main .container .info_cover {
  margin-bottom: 25px;
  border: 1px solid #c2dae4;
  border-radius: 8px;
  padding-bottom: 120px;
}
.zt_main .container .info_cover h1 {
  text-align: center;
  margin-top: 75px;
  margin-bottom: 60px;
}
.zt_main .container .info_cover h1 img {
  width: 80%;
  max-width: 100%;
  height: auto;
  vertical-align: top;
}
.zt_main .container .info_cover .detail {
  width: calc(100% - 44px);
  margin: 0 auto;
}
.zt_main .container .form-container {
  border: 1px solid #c2dae4;
  border-radius: 8px;
  background-image: linear-gradient(128deg, #e9f5fd, #fff 80%);
  padding: 0 22px 40px;
}
.zt_main .container .form-container h2 {
  text-align: center;
  font-size: 32px;
  line-height: 100px;
  color: #135ca5;
  font-weight: bold;
}
.zt_main .container .form-container p {
  line-height: 35px;
  text-indent: 40px;
  font-size: 18px;
  color: #333333;
  margin-bottom: 20px;
}
/* 1440px 桌面端 */
@media screen and (max-width: 1440px) {
  .zt_main .container {
    width: 1320px;
    margin-top: 120px;
    padding: 52px 52px 20px;
  }
  .zt_main .container .info_cover {
    padding-bottom: 110px;
  }
  .zt_main .container .info_cover h1 {
    margin-top: 68px;
    margin-bottom: 55px;
  }
  .zt_main .container .form-container h2 {
    font-size: 30px;
    line-height: 94px;
  }
}
/* 1366px 桌面端 */
@media screen and (max-width: 1366px) {
  .zt_main .container {
    width: 1246px;
    margin-top: 110px;
    padding: 48px 48px 20px;
  }
  .zt_main .container .info_cover {
    padding-bottom: 100px;
  }
  .zt_main .container .info_cover h1 {
    margin-top: 60px;
    margin-bottom: 50px;
  }
  .zt_main .container .form-container h2 {
    font-size: 29px;
    line-height: 90px;
  }
}
/* 1200px 小屏桌面端 */
@media screen and (max-width: 1200px) {
  .zt_main .container {
    width: 1100px;
    margin-top: 96px;
    padding: 40px 40px 20px;
  }
  .zt_main .container .info_cover {
    padding-bottom: 90px;
  }
  .zt_main .container .info_cover h1 {
    margin-top: 54px;
    margin-bottom: 44px;
  }
  .zt_main .container .form-container h2 {
    font-size: 28px;
    line-height: 84px;
  }
  .zt_main .container .form-container p {
    line-height: 33px;
  }
}
/* 970px 平板横屏 */
@media screen and (max-width: 970px) {
  .zt_main .container {
    width: 930px;
    max-width: calc(100% - 40px);
    margin-top: 80px;
    padding: 30px 30px 20px;
  }
  .zt_main .container .info_cover {
    padding-bottom: 75px;
  }
  .zt_main .container .info_cover h1 {
    margin-top: 46px;
    margin-bottom: 38px;
  }
  .zt_main .container .info_cover h1 img {
    width: 90%;
  }
  .zt_main .container .form-container {
    padding-right: 20px;
    padding-left: 20px;
  }
  .zt_main .container .form-container h2 {
    font-size: 27px;
    line-height: 78px;
  }
  .zt_main .container .form-container p {
    font-size: 17px;
    line-height: 31px;
    text-indent: 34px;
  }
}
/* 750px 平板竖屏 */
@media screen and (max-width: 750px) {
  .zt_main .container {
    width: 710px;
    max-width: calc(100% - 30px);
    margin-top: 60px;
    padding: 20px 20px 18px;
  }
  .zt_main .container .info_cover {
    margin-bottom: 20px;
    padding-bottom: 60px;
  }
  .zt_main .container .info_cover h1 {
    margin-top: 40px;
    margin-bottom: 32px;
  }
  .zt_main .container .info_cover h1 img {
    width: 92%;
  }
  .zt_main .container .form-container {
    padding: 0 18px 30px;
  }
  .zt_main .container .form-container h2 {
    padding: 24px 0 18px;
    font-size: 25px;
    line-height: 1.45;
  }
  .zt_main .container .form-container p {
    margin-bottom: 16px;
    font-size: 17px;
    line-height: 30px;
  }
}
/* 手机端：容器使用 100% 流式宽度 */
@media screen and (max-width: 600px) {
  .zt_main {
    background-size: auto 640px;
  }
  .zt_main .container {
    width: 100%;
    max-width: 100%;
    margin-top: 40px;
    padding: 14px 12px 16px;
  }
  .zt_main .container .info_cover {
    border-radius: 6px;
    padding-bottom: 40px;
  }
  .zt_main .container .info_cover h1 {
    margin-top: 30px;
    margin-bottom: 24px;
  }
  .zt_main .container .info_cover h1 img {
    width: 96%;
  }
  .zt_main .container .info_cover .detail p,
  .zt_main .container .info_cover .detail span {
    font-size: 0.3rem !important;
    line-height: 0.7rem !important;
  }
  .zt_main .container .form-container {
    border-radius: 6px;
    padding: 0 14px 24px;
  }
  .zt_main .container .form-container h2 {
    padding: 20px 0 14px;
    font-size: 22px;
    line-height: 1.45;
  }
  .zt_main .container .form-container p {
    margin-bottom: 12px;
    font-size: 16px;
    line-height: 28px;
    text-indent: 2em;
  }
}