@media screen and (min-width: 320px) and (max-width: 767px) {
  .warp {
    width: 100%;
  }
  .banner {
    width: 100%;
    height: 175px;
    background: #f5f5f5 url("../img/clause-banner-mobile.jpg") no-repeat center;
    background-size: cover;
    position: relative;
    padding-top: 109px;
    z-index: 0;
  }
  .banner .b-content {
    width: 100%;
    padding: 0 20px;
    margin: 0 auto;
    text-align: left;
  }
  .banner .b-content .bc-title {
    font-size: 2.4rem;
  }
  .banner .b-content .bc-txt {
    font-size: 1.2rem;
  }
  /*tab============================================*/
  .tab-content {
    width: 100%;
    padding: 40px 20px 20px;
    border-bottom: 1px solid #ecf2f5;
    overflow: hidden;
  }
  .tab-content .tc-btn {
    display: block;
    width: 110px;
    height: 35px;
    border-radius: 3px;
    line-height: 35px;
    text-align: center;
    border: 1px solid #b5b5b5;
    color: #999;
    font-size: 1.4rem;
  }
  .tab-content .tc-btn:hover {
    border-color: #3da0e0;
    background: #3da0e0;
    color: #fff;
  }
  .tab-content .tc-btn-check {
    background: #259df6;
    border: 1px solid #259df6;
    color: #fff;
  }
  .tab-content .tc-btn-check:hover {
    background: #3da0e0;
    color: #fff;
  }
  .tab-content .tc-btn1 {
    margin-right: 20px;
  }
  /*txt-content===================================*/
  .txt-content {
    width: 100%;
    padding: 0 20px;
    margin: 0 auto;
  }
  .txt-content p {
    line-height: 24px;
    font-size: 1.2rem;
  }
  .txt-content p .item-point {
    padding-right: 20px;
  }
  .txt-content .tc-name {
    padding-top: 20px;
    font-size: 1.4rem;
  }
  .txt-content .tc-txt {
    text-indent: 2.5rem;
  }
}
@media screen and (min-width: 768px) and (max-width: 1199px) {
  .warp {
    width: 100%;
  }
  .banner {
    width: 100%;
    height: 480px;
    background: #f5f5f5 url("../img/clause-banner-pc.jpg") no-repeat center fixed;
    background-size: cover;
    position: relative;
    padding-top: 334px;
    z-index: 0;
  }
  .banner .b-content {
    width: 100%;
    padding: 0 20px;
    margin: 0 auto;
    text-align: left;
  }
  .banner .b-content .bc-title {
    font-size: 3.6rem;
  }
  /*tab============================================*/
  .tab-content {
    width: 100%;
    margin: 0 auto;
    padding: 80px 20px 20px;
    border-bottom: 1px solid #ecf2f5;
    overflow: hidden;
  }
  .tab-content .tc-btn {
    display: block;
    width: 160px;
    height: 60px;
    border-radius: 3px;
    line-height: 60px;
    text-align: center;
    border: 1px solid #b5b5b5;
    color: #999;
  }
  .tab-content .tc-btn:hover {
    border-color: #3da0e0;
    background: #3da0e0;
    color: #fff;
  }
  .tab-content .tc-btn-check {
    background: #259df6;
    border: 1px solid #259df6;
    color: #fff;
  }
  .tab-content .tc-btn-check:hover {
    background: #3da0e0;
    color: #fff;
  }
  .tab-content .tc-btn1 {
    margin-right: 20px;
  }
  /*txt-content===================================*/
  .txt-content {
    width: 100%;
    padding: 0 20px;
    margin: 0 auto;
  }
  .txt-content p {
    line-height: 36px;
  }
  .txt-content p .item-point {
    padding-right: 20px;
  }
  .txt-content .tc-name {
    padding-top: 40px;
  }
  .txt-content .tc-txt {
    text-indent: 2.5rem;
  }
}
@media (min-width: 1200px) {
  .warp {
    width: 100%;
  }
  .banner {
    width: 100%;
    height: 480px;
    background: #f5f5f5 url("../img/clause-banner-pc.jpg") no-repeat center fixed;
    background-size: cover;
    position: relative;
    padding-top: 334px;
    z-index: 0;
  }
  .banner .b-content {
    width: 1200px;
    margin: 0 auto;
    text-align: left;
  }
  .banner .b-content .bc-title {
    font-size: 3.6rem;
  }
  /*tab============================================*/
  .tab-content {
    width: 1200px;
    margin: 0 auto;
    padding: 80px 0 20px;
    border-bottom: 1px solid #ecf2f5;
    overflow: hidden;
  }
  .tab-content .tc-btn {
    display: block;
    width: 160px;
    height: 60px;
    border-radius: 3px;
    line-height: 60px;
    text-align: center;
    border: 1px solid #b5b5b5;
    color: #999;
  }
  .tab-content .tc-btn:hover {
    border-color: #3da0e0;
    background: #3da0e0;
    color: #fff;
  }
  .tab-content .tc-btn-check {
    background: #259df6;
    border: 1px solid #259df6;
    color: #fff;
  }
  .tab-content .tc-btn-check:hover {
    background: #3da0e0;
    color: #fff;
  }
  .tab-content .tc-btn1 {
    margin-right: 20px;
  }
  /*txt-content===================================*/
  .txt-content {
    width: 1200px;
    margin: 0 auto;
  }
  .txt-content p {
    line-height: 36px;
  }
  .txt-content p .item-point {
    padding-right: 20px;
  }
  .txt-content .tc-name {
    padding-top: 40px;
  }
  .txt-content .tc-txt {
    text-indent: 2.5rem;
  }
}