@media screen and (min-width: 1025px) {
  #content {
    width: 100%;
  }

  #first {
    width: 1280px;
    margin: 50px auto 0px;
  }

  .first_ul {
    width: 100%;
    display: flex;
    align-items: center;
  }

  .first_ul li {
    width: 237px;
    height: 66px;
    font-size: 24px;
    line-height: 66px;
    text-align: center;
    color: #666666;
    border-left: 1px solid #cccccc;
    border-top: 1px solid #cccccc;
    border-bottom: 1px solid #cccccc;
  }

  .first_ul li:last-of-type {
    border-right: 1px solid #cccccc;
  }

  .first_act {
    color: #ffffff !important;
    background-color: #114790;
    display: block;
  }

  #first_list {
    width: 100%;
    margin-top: 84px;
  }

  .first_list {
    width: 100%;
    display: none;
  }

  .first_list_img {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .first_list_img img {
    display: block;
    width: 580px;
  }

  .first_list_content img{
    /* display: block; */
    max-width:1185px;
    /* margin: 0 auto; */
  }

  .first_list_content {
    margin-top: 55px;
  }

  .first_list_content li {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 50px;
  }

  .first_list_content li:last-of-type {
    margin-bottom: 0px;
  }

  .first_list_content li span.zz {
    font-size: 30px;
    font-weight: bold;
    padding-left: 33px;
    position: relative;
    margin-bottom: 30px;
  }

  .first_list_content li span.zz::before {
    content: '';
    width: 6px;
    height: 30px;
    position: absolute;
    top: 0;
    left: 0;
    background-color: #000000;
  }

  .first_list_content li p {
    margin-top: 0px;
    font-size: 16px;
    color: #333333;
    line-height: 35px;
    width: 100%;
  }

  #second {
    width: 100%;
    height: 420px;
    background-color: #F9F9F9;
    margin-top: 60px;
    overflow: hidden;
  }

  .second {
    width: 1280px;
    margin: 50px auto 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }

  .second_span {
    font-size: 30px;
    color: #000000;
  }

  #second_swiper {
    width: 100%;
    margin-top: 30px;
    height: 240px;
  }

  .second_swiper .swiper-wrapper .swiper-slide img {
    display: block;
    width: 280px;
  }

  .second_swiper {
    width: 100%;
    height: 100%;
  }

  .second_next,
  .second_prev {
    width: 32px;
    height: 63px;
    background-color: rgba(153, 153, 153, 0.5);
    background-size: 14px 24px;
    top: 35% !important;
  }

  .second_pagination{
    bottom: -10px !important;
  }

  .second_next {
    background-image: url('../images/guide_next.png');
  }

  .second_prev {
    background-image: url('../images/guide_prev.png');
  }

  .swiper-pagination-bullet {
    background: none;
    opacity: 1;
    margin: 0 6px !important;
    width: 9px;
    height: 9px;
    position: relative;
    outline: none;
    vertical-align: middle;
  }

  .swiper-pagination-bullet span {
    width: 3px;
    height: 3px;
    background: #CCC;
    display: block;
    border-radius: 50%;
    margin-top: 3px;
    margin-left: 3px;
  }

  .swiper-pagination-bullet i {
    background: #000;
    height: 1px;
    width: 20px;
    position: absolute;
    top: 4px;
    transform: scaleX(0);
    transform-origin: left;
    z-index: 3;
    transition-timing-function: linear;
  }

  .swiper-pagination-bullet-active span,
  .swiper-pagination-bullet:hover span {
    width: 9px;
    height: 9px;
    margin-top: 0;
    margin-left: 0;
    background: #000;
    position: relative;
    z-index: 1;
  }

  .swiper-pagination-bullet-active i {
    animation: middle 6s;
  }

  .swiper-pagination-bullet:first-child.swiper-pagination-bullet-active i {
    animation: first 6s;
  }

  .swiper-pagination-bullet:last-child.swiper-pagination-bullet-active i {
    animation: last 6s;
  }

  @keyframes first {
    0% {
      transform: scaleX(0.5);
      left: 0px;
    }

    /*091*/
    100% {
      transform: scaleX(1);
      left: 2px;
    }

    /*0915*/
  }

  @keyframes last {
    0% {
      transform: scaleX(0.7);
      left: -10px;
    }

    /*1090*/
    20% {
      transform: scaleX(0.3);
      left: 2px;
    }

    /*090*/
    100% {
      transform: scaleX(0.3);
      left: 0px;
    }

    /*090*/
  }

  @keyframes middle {
    0% {
      transform: scaleX(0.7);
      left: -10px;
    }

    /*1091*/
    20% {
      transform: scaleX(0.45);
      left: 2px;
    }

    /*092*/
    100% {
      transform: scaleX(1);
      left: 2px;
    }

    /*0913*/
  }


}

@media (max-width: 1024px) and (min-width: 751px) {
  #content {
    width: 100%;
  }

  #first {
    width: 9rem;
    margin: 1rem auto 0rem;
  }

  .first_ul {
    width: 100%;
    display: flex;
    align-items: center;
  }

  .first_ul li {
    width: 2.37rem;
    height: 0.66rem;
    font-size: 0.24rem;
    line-height: 0.66rem;
    text-align: center;
    color: #666666;
    border-left: 0.01rem solid #cccccc;
    border-top: 0.01rem solid #cccccc;
    border-bottom: 0.01rem solid #cccccc;
  }

  .first_ul li:last-of-type {
    border-right: 0.01rem solid #cccccc;
  }

  .first_act {
    color: #ffffff !important;
    background-color: #114790;
    display: block;
  }

  #first_list {
    width: 100%;
    margin-top: 0.84rem;
  }

  .first_list {
    width: 100%;
    display: none;
  }

  .first_list_img {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .first_list_img img {
    display: block;
    width: 4.3rem;
  }

  .first_list_content img{
    display: block;
    max-width:9rem; 
  }

  .first_list_content {
    margin-top: 0.55rem;
  }

  .first_list_content li {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 0.5rem;
  }

  .first_list_content li:last-of-type {
    margin-bottom: 0rem;
  }

  .first_list_content li span {
    font-size: 0.3rem;
    font-weight: bold;
    padding-left: 0.33rem;
    position: relative;
  }

  .first_list_content li span::before {
    content: '';
    width: 0.06rem;
    height: 0.3rem;
    position: absolute;
    top: 0;
    left: 0;
    background-color: #000000;
  }

  .first_list_content li p {
    margin-top: 0.3rem;
    font-size: 0.26rem;
    color: #333333;
    line-height: 0.4rem;
  }

  #second {
    width: 100%;
    height: 4.2rem;
    background-color: #F9F9F9;
    margin-top: 0.6rem;
    overflow: hidden;
  }

  .second {
    width: 9rem;
    margin: 0.5rem auto 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }

  .second_span {
    font-size: 0.3rem;
    color: #000000;
  }

  #second_swiper {
    width: 100%;
    margin-top: 0.3rem;
    height: 2.4rem;
  }

  .second_swiper .swiper-wrapper .swiper-slide img {
    display: block;
    width: 2.8rem;
  }

  .second_swiper {
    width: 100%;
    height: 100%;
  }

  .second_next,
  .second_prev {
    width: 0.32rem;
    height: 0.63rem;
    background-color: rgba(153, 153, 153, 0.5);
    background-size: 0.14rem 0.24rem;
    top: 35% !important;
  }

  .second_pagination{
    bottom: -0.1rem !important;
  }

  .second_next {
    background-image: url('../images/guide_next.png');
  }

  .second_prev {
    background-image: url('../images/guide_prev.png');
  }

  .swiper-pagination-bullet {
    background: none;
    opacity: 1;
    margin: 0 0.06rem !important;
    width: 0.09rem;
    height: 0.09rem;
    position: relative;
    outline: none;
    vertical-align: middle;
  }

  .swiper-pagination-bullet span {
    width: 0.06rem;
    height: 0.06rem;
    background: #CCC;
    display: block;
    border-radius: 50%;
    margin-top: 0.03rem;
    margin-left: 0.03rem;
  }

  .swiper-pagination-bullet i {
    background: #000;
    height: 0.01rem;
    width: 0.2rem;
    position: absolute;
    top: 0.05rem;
    transform: scaleX(0);
    transform-origin: left;
    z-index: 3;
    transition-timing-function: linear;
  }

  .swiper-pagination-bullet-active span,
  .swiper-pagination-bullet:hover span {
    width: 0.12rem;
    height: 0.12rem;
    margin-top: 0;
    margin-left: 0;
    background: #000;
    position: relative;
    z-index: 1;
  }

  .swiper-pagination-bullet-active i {
    animation: middle 6s;
  }

  .swiper-pagination-bullet:first-child.swiper-pagination-bullet-active i {
    animation: first 6s;
  }

  .swiper-pagination-bullet:last-child.swiper-pagination-bullet-active i {
    animation: last 6s;
  }

  @keyframes first {
    0% {
      transform: scaleX(0.5);
      left: 0rem;
    }

    /*091*/
    100% {
      transform: scaleX(1);
      left: 0.02rem;
    }

    /*0915*/
  }

  @keyframes last {
    0% {
      transform: scaleX(0.7);
      left: -0.1rem;
    }

    /*1090*/
    20% {
      transform: scaleX(0.3);
      left: 0.02rem;
    }

    /*090*/
    100% {
      transform: scaleX(0.3);
      left: 0rem;
    }

    /*090*/
  }

  @keyframes middle {
    0% {
      transform: scaleX(0.7);
      left: -0.1rem;
    }

    /*1091*/
    20% {
      transform: scaleX(0.45);
      left: 0.02rem;
    }

    /*092*/
    100% {
      transform: scaleX(1);
      left: 0.02rem;
    }

    /*0913*/
  }

}

@media screen and (max-width: 750px) {
  #content {
    width: 100%;
  }

  #first {
    width: 6.9rem;
    margin: 1rem auto 0rem;
  }

  .first_ul {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
  }

  .first_ul li {
    width: 2.2rem;
    height: 0.66rem;
    font-size: 0.24rem;
    line-height: 0.66rem;
    margin-bottom: 0.3rem;
    text-align: center;
    color: #666666;
    border-left: 0.01rem solid #cccccc;
    border-top: 0.01rem solid #cccccc;
    border-bottom: 0.01rem solid #cccccc;
  }

  .first_ul li:nth-child(3){
    border-right: 1px solid #cccccc;
  }

  .first_ul li:last-of-type {
    border-right: 0.01rem solid #cccccc;
  }

  .first_act {
    color: #ffffff !important;
    background-color: #114790;
    display: block;
  }

  #first_list {
    width: 100%;
    margin-top: 0.3rem;
  }

  .first_list {
    width: 100%;
    display: none;
  }

  .first_list_img {
    width: 100%;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: space-between;
  }

  .first_list_img img {
    display: block;
    width: 6.9rem;
    margin-bottom: 0.3rem;
  }

  .first_list_content img{
    display: block;
    max-width:6.9rem; 
  }

  .first_list_content {
    margin-top: 0.55rem;
  }

  .first_list_content li {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 0.5rem;
  }

  .first_list_content li:last-of-type {
    margin-bottom: 0rem;
  }

  .first_list_content li span {
    font-size: 0.3rem;
    font-weight: bold;
    padding-left: 0.33rem;
    position: relative;
  }

  .first_list_content li span::before {
    content: '';
    width: 0.06rem;
    height: 0.3rem;
    position: absolute;
    top: 0;
    left: 0;
    background-color: #000000;
  }

  .first_list_content li p {
    margin-top: 0.3rem;
    font-size: 0.26rem;
    color: #333333;
    line-height: 0.4rem;
  }

  #second {
    width: 100%;
    height: 4.2rem;
    background-color: #F9F9F9;
    margin-top: 0.6rem;
    overflow: hidden;
  }

  .second {
    width: 6.9rem;
    margin: 0.5rem auto 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }

  .second_span {
    font-size: 0.3rem;
    color: #000000;
  }

  #second_swiper {
    width: 100%;
    margin-top: 0.3rem;
    height: 2.4rem;
  }

  .second_swiper .swiper-wrapper .swiper-slide img {
    display: block;
    width: 2.8rem;
  }

  .second_swiper {
    width: 100%;
    height: 100%;
  }

  .second_next,
  .second_prev {
    width: 0.32rem;
    height: 0.63rem;
    background-color: rgba(153, 153, 153, 0.5);
    background-size: 0.14rem 0.24rem;
    top: 35% !important;
  }

  .second_pagination{
    bottom: -0.1rem !important;
  }

  .second_next {
    background-image: url('../images/guide_next.png');
  }

  .second_prev {
    background-image: url('../images/guide_prev.png');
  }

  .swiper-pagination-bullet {
    background: none;
    opacity: 1;
    margin: 0 0.06rem !important;
    width: 0.09rem;
    height: 0.09rem;
    position: relative;
    outline: none;
    vertical-align: middle;
  }

  .swiper-pagination-bullet span {
    width: 0.06rem;
    height: 0.06rem;
    background: #CCC;
    display: block;
    border-radius: 50%;
    margin-top: 0.03rem;
    margin-left: 0.03rem;
  }

  .swiper-pagination-bullet i {
    background: #000;
    height: 0.01rem;
    width: 0.2rem;
    position: absolute;
    top: 0.05rem;
    transform: scaleX(0);
    transform-origin: left;
    z-index: 3;
    transition-timing-function: linear;
  }

  .swiper-pagination-bullet-active span,
  .swiper-pagination-bullet:hover span {
    width: 0.12rem;
    height: 0.12rem;
    margin-top: 0;
    margin-left: 0;
    background: #000;
    position: relative;
    z-index: 1;
  }

  .swiper-pagination-bullet-active i {
    animation: middle 6s;
  }

  .swiper-pagination-bullet:first-child.swiper-pagination-bullet-active i {
    animation: first 6s;
  }

  .swiper-pagination-bullet:last-child.swiper-pagination-bullet-active i {
    animation: last 6s;
  }

  @keyframes first {
    0% {
      transform: scaleX(0.5);
      left: 0rem;
    }

    /*091*/
    100% {
      transform: scaleX(1);
      left: 0.02rem;
    }

    /*0915*/
  }

  @keyframes last {
    0% {
      transform: scaleX(0.7);
      left: -0.1rem;
    }

    /*1090*/
    20% {
      transform: scaleX(0.3);
      left: 0.02rem;
    }

    /*090*/
    100% {
      transform: scaleX(0.3);
      left: 0rem;
    }

    /*090*/
  }

  @keyframes middle {
    0% {
      transform: scaleX(0.7);
      left: -0.1rem;
    }

    /*1091*/
    20% {
      transform: scaleX(0.45);
      left: 0.02rem;
    }

    /*092*/
    100% {
      transform: scaleX(1);
      left: 0.02rem;
    }

    /*0913*/
  }
}