@media screen and (max-width: 420px) {
  .choiceUs {
    width: 100%;
    background-color: #f1f1f1;
  }
  .choiceUs .choices {
    width: 100%;
    margin: 0 auto;
    margin-top: 50px;
    display: flex;
    justify-content: space-around;
    flex-flow: row wrap;
  }
  .choiceUs .choices .whys {
    width: 95%;
    height: 120px;
    overflow: hidden;
  }
  .choiceUs .choices .whys img {
    width: 60px;
    height: 60px;
    float: left;
  }
  .choiceUs .choices .whys .reasons {
    margin-left: 20px;
    float: left;
    width: calc(100% - 80px);
  }
  .choiceUs .choices .whys .reasons span {
    display: block;
  }
  .choiceUs .choices .whys .reasons span:first-child {
    font-size: 15px;
  }
  .choiceUs .choices .whys .reasons span:last-child {
    color: #666666;
    margin-top: 10px;
    font-size: 12px;
  }
  .technological{
    background-color: white;
  }
  .model {
    width: 100%;
    padding-bottom: 30px;
  }
  .model .models {
    width: 100%;
    margin: 0 auto;
  }
  .model .models .modelup img {
    width: 90%;
  }
  .model .models .modelup .equipments {
    width: 90%;
    margin: 0 auto;
    margin-top: 50px;
  }
  .model .models .modelup .equipments span {
    font-size: 14px;
    color: #666666;
    display: block;
    line-height: 20px;
    margin-top: 10px;
  }
  .model .models .modelup .equipments .title {
    font-size: 18px;
    color: black;
  }
  .model .models .modelup .equipments .lot {
    display: flex;
    flex-flow: row wrap;
    margin-top: 20px;
  }
  .model .models .modelup .equipments .lot a {
    display: block;
    width: 30%;
    height: 40px;
    background-color: #00a1ea;
    color: white;
    text-align: center;
    line-height: 40px;
    text-decoration: none;
    margin: 10px auto;
  }
  .tables {
    width: 100%;
    margin: 50px auto;
  }
  .tables table {
    width: 100%;
    background-color: #b2b2b2;
  }
  .tables table tr {
    width: 100%;
  }
  .tables table tr td {
    width: 25%;
    border: solid 0.5px white;
    text-align: center;
    height: 30px;
    color: white;
  }
  .tables table tr .bgone {
    height: 120px;
  }
  .tables table .heads {
    background-color: #666666;
  }
  .tables table .titles {
    background-color: #7f7f7f;
  }
  .advantage {
    width: 100%;
    background-color: #f1f1f1;
  }
  .advantage .advantages {
    width: 100%;
    margin: 0 auto;
    margin-top: 50px;
    display: flex;
    justify-content: space-around;
    flex-flow: wrap;
  }
  .advantage .advantages .our_advantage {
    width: 46%;
    text-align: center;
    margin-top: 20px;
    cursor: pointer;
  }
  .advantage .advantages .our_advantage img {
    width: 100%;
    vertical-align: top;
  }
  .advantage .advantages .our_advantage .ads {
    padding: 30px 10px;
    height: 180px;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
  }
  .advantage .advantages .our_advantage .ads span {
    display: block;
  }
  .advantage .advantages .our_advantage .ads span:first-child {
    font-size: 16px;
    color: #016cb9;
  }
  .advantage .advantages .our_advantage .ads span:last-child {
    font-size: 12px;
    color: #666666;
    text-align: left;
    margin-top: 15px;
  }
  .advantage .advantages .our_advantage:hover {
    animation: moveup 1s forwards;
  }
  .advantage .advantages .our_advantage:hover .ads {
    background-color: #00a1ea;
  }
  .advantage .advantages .our_advantage:hover .ads span {
    color: white;
  }
  @keyframes moveup {
    0% {
      margin-top: 20px;
    }
    100% {
      margin-top: 0;
    }
  }
  .contrast {
    width: 100%;
    background-color: #f1f1f1;
  }
  .contrast .contrasts {
    width: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    padding-bottom: 30px;
  }
  .contrast .contrasts img {
    width: 60px;
    height: 90px;
    margin-top: 400px;
    display: none;
  }
  .contrast .contrasts .compare {
    width: 45%;
    text-align: center;
  }
  .contrast .contrasts .compare span {
    display: block;
    width: 100%;
    height: 50px;
    background: #666666;
    margin-top: 10px;
    line-height: 50px;
    color: white;
    font-size: 12px;
  }
  .contrast .contrasts .compare .even {
    background-color: #c2c2c2;
    line-height: normal;
    height: 150px;
    text-align: left;
    display:flex;/*实现垂直居中*/
    align-items:center;/*实现水平居中*/
    justify-content:center;
    text-align:justify;
  }
  .contrast .contrasts .compare .first {
    background-color: #f1f1f1;
    color: #00a1ea;
    font-size: 15px;
  }
  .contrast .contrasts .our span {
    background-color: #00a1e7;
  }
  .contrast .contrasts .our .even {
    background-color: #99daf5;
  }
}
@media screen and (max-width: 769px) and (min-width: 420px) {
  .choiceUs {
    width: 100%;
    background-color: #f1f1f1;
  }
  .choiceUs .choices {
    width: 100%;
    margin: 0 auto;
    margin-top: 50px;
    display: flex;
    justify-content: space-around;
    flex-flow: row wrap;
  }
  .choiceUs .choices .whys {
    width: 95%;
    height: 120px;
    display: flex;
  }
  .choiceUs .choices .whys img {
    width: 60px;
    height: 60px;
  }
  .choiceUs .choices .whys .reasons {
    margin-left: 20px;
  }
  .choiceUs .choices .whys .reasons span {
    display: block;
  }
  .choiceUs .choices .whys .reasons span:first-child {
    font-size: 15px;
  }
  .choiceUs .choices .whys .reasons span:last-child {
    color: #666666;
    margin-top: 10px;
    font-size: 12px;
  }
  .technological{
    background-color: white;
  }
  .model {
    width: 100%;
    padding-bottom: 30px;
  }
  .model .models {
    width: 100%;
    margin: 0 auto;
  }
  .model .models .modelup img {
    width: 90%;
  }
  .model .models .modelup .equipments {
    width: 100%;
    margin-top: 50px;
  }
  .model .models .modelup .equipments span {
    font-size: 14px;
    color: #666666;
    display: block;
    line-height: 20px;
    margin-top: 10px;
  }
  .model .models .modelup .equipments .title {
    font-size: 18px;
    color: black;
  }
  .model .models .modelup .equipments .lot {
    display: flex;
    flex-flow: row wrap;
    margin-top: 20px;
  }
  .model .models .modelup .equipments .lot a {
    display: block;
    width: 30%;
    height: 40px;
    background-color: #00a1ea;
    color: white;
    text-align: center;
    line-height: 40px;
    text-decoration: none;
    margin: 10px auto;
  }
  .tables {
    width: 100%;
    margin: 50px auto;
  }
  .tables table {
    width: 100%;
    background-color: #b2b2b2;
  }
  .tables table tr {
    width: 100%;
  }
  .tables table tr td {
    width: 25%;
    border: solid 0.5px white;
    text-align: center;
    height: 30px;
    color: white;
  }
  .tables table tr .bgone {
    height: 120px;
  }
  .tables table .heads {
    background-color: #666666;
  }
  .tables table .titles {
    background-color: #7f7f7f;
  }
  .advantage {
    width: 100%;
    background-color: #f1f1f1;
  }
  .advantage .advantages {
    width: 100%;
    margin: 0 auto;
    margin-top: 50px;
    display: flex;
    justify-content: space-around;
    flex-flow: wrap;
  }
  .advantage .advantages .our_advantage {
    width: 46%;
    text-align: center;
    margin-top: 20px;
    cursor: pointer;
  }
  .advantage .advantages .our_advantage img {
    width: 100%;
    vertical-align: top;
  }
  .advantage .advantages .our_advantage .ads {
    padding: 30px 20px;
    height: 190px;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
  }
  .advantage .advantages .our_advantage .ads span {
    display: block;
  }
  .advantage .advantages .our_advantage .ads span:first-child {
    font-size: 18px;
    color: #016cb9;
  }
  .advantage .advantages .our_advantage .ads span:last-child {
    font-size: 16px;
    color: #666666;
    text-align: left;
    margin-top: 15px;
  }
  .advantage .advantages .our_advantage:hover {
    animation: moveup 1s forwards;
  }
  .advantage .advantages .our_advantage:hover .ads {
    background-color: #00a1ea;
  }
  .advantage .advantages .our_advantage:hover .ads span {
    color: white;
  }
  @keyframes moveup {
    0% {
      margin-top: 20px;
    }
    100% {
      margin-top: 0;
    }
  }
  .contrast {
    width: 100%;
    background-color: #f1f1f1;
  }
  .contrast .contrasts {
    width: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    padding-bottom: 30px;
  }
  .contrast .contrasts img {
    width: 94px;
    height: 126px;
    margin-top: 300px;
  }
  .contrast .contrasts .compare {
    width: 300px;
    text-align: center;
  }
  .contrast .contrasts .compare span {
    display: block;
    width: 100%;
    height: 50px;
    background: #666666;
    margin-top: 10px;
    line-height: 40px;
    color: white;
  }
  .contrast .contrasts .compare .even {
    background-color: #c2c2c2;
  }
  .contrast .contrasts .compare .first {
    background-color: #f1f1f1;
    color: #00a1ea;
    font-size: 22px;
  }
  .contrast .contrasts .our span {
    background-color: #00a1e7;
  }
  .contrast .contrasts .our .even {
    background-color: #99daf5;
  }
}
@media screen and (max-width: 992px) and (min-width: 769px) {
  .choiceUs {
    width: 100%;
    background-color: #f1f1f1;
  }
  .choiceUs .choices {
    width: 100%;
    margin: 0 auto;
    margin-top: 50px;
    display: flex;
    justify-content: space-around;
    flex-flow: row wrap;
  }
  .choiceUs .choices .whys {
    width: 45%;
    height: 140px;
    display: flex;
  }
  .choiceUs .choices .whys img {
    width: 60px;
    height: 60px;
  }
  .choiceUs .choices .whys .reasons {
    margin-left: 20px;
  }
  .choiceUs .choices .whys .reasons span {
    display: block;
  }
  .choiceUs .choices .whys .reasons span:first-child {
    font-size: 15px;
  }
  .choiceUs .choices .whys .reasons span:last-child {
    color: #666666;
    margin-top: 10px;
    font-size: 12px;
  }
  .technological{
    background-color: white;
  }
  .model {
    width: 100%;
    padding-bottom: 30px;
  }
  .model .models {
    width: 100%;
    margin: 0 auto;
  }
  .model .models .modelup {
    display: flex;
  }
  .model .models .modelup img {
    width: 30%;
  }
  .model .models .modelup .equipments {
    width: 800px;
    margin-top: 50px;
  }
  .model .models .modelup .equipments span {
    font-size: 14px;
    color: #666666;
    display: block;
    line-height: 20px;
    margin-top: 10px;
  }
  .model .models .modelup .equipments .title {
    font-size: 18px;
    color: black;
  }
  .model .models .modelup .equipments .lot {
    display: flex;
    flex-flow: row wrap;
    margin-top: 20px;
  }
  .model .models .modelup .equipments .lot a {
    display: block;
    width: 120px;
    height: 40px;
    background-color: #00a1ea;
    color: white;
    text-align: center;
    line-height: 40px;
    text-decoration: none;
    margin: 10px 20px;
  }
  .tables {
    width: 100%;
    margin: 50px auto;
  }
  .tables table {
    width: 100%;
    background-color: #b2b2b2;
  }
  .tables table tr {
    width: 100%;
  }
  .tables table tr td {
    width: 25%;
    border: solid 0.5px white;
    text-align: center;
    height: 30px;
    color: white;
  }
  .tables table tr .bgone {
    height: 120px;
  }
  .tables table .heads {
    background-color: #666666;
  }
  .tables table .titles {
    background-color: #7f7f7f;
  }
  .advantage {
    width: 100%;
    background-color: #f1f1f1;
  }
  .advantage .advantages {
    width: 100%;
    height: 380px;
    margin: 0 auto;
    margin-top: 50px;
    display: flex;
    justify-content: space-between;
  }
  .advantage .advantages .our_advantage {
    width: 280px;
    text-align: center;
    padding: 0 20px;
    margin-top: 20px;
    cursor: pointer;
  }
  .advantage .advantages .our_advantage img {
    width: 100%;
    vertical-align: top;
  }
  .advantage .advantages .our_advantage .ads {
    padding: 30px 20px;
    height: 300px;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
  }
  .advantage .advantages .our_advantage .ads span {
    display: block;
  }
  .advantage .advantages .our_advantage .ads span:first-child {
    font-size: 18px;
    color: #016cb9;
  }
  .advantage .advantages .our_advantage .ads span:last-child {
    font-size: 16px;
    color: #666666;
    text-align: left;
    margin-top: 15px;
  }
  .advantage .advantages .our_advantage:hover {
    animation: moveup 1s forwards;
  }
  .advantage .advantages .our_advantage:hover .ads {
    background-color: #00a1ea;
  }
  .advantage .advantages .our_advantage:hover .ads span {
    color: white;
  }
  @keyframes moveup {
    0% {
      margin-top: 20px;
    }
    100% {
      margin-top: 0;
    }
  }
  .contrast {
    width: 100%;
    background-color: #f1f1f1;
  }
  .contrast .contrasts {
    width: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    padding-bottom: 30px;
  }
  .contrast .contrasts img {
    width: 94px;
    height: 126px;
    margin-top: 160px;
  }
  .contrast .contrasts .compare {
    width: 300px;
    text-align: center;
  }
  .contrast .contrasts .compare span {
    display: block;
    width: 100%;
    height: 50px;
    background: #666666;
    margin-top: 10px;
    line-height: 40px;
    color: white;
  }
  .contrast .contrasts .compare .even {
    background-color: #c2c2c2;
  }
  .contrast .contrasts .compare .first {
    background-color: #f1f1f1;
    color: #00a1ea;
    font-size: 22px;
  }
  .contrast .contrasts .our span {
    background-color: #00a1e7;
  }
  .contrast .contrasts .our .even {
    background-color: #99daf5;
  }
}
@media screen and (max-width: 1200px) and (min-width: 992px) {
  .choiceUs {
    width: 100%;
    background-color: #f1f1f1;
  }
  .choiceUs .choices {
    width: 100%;
    margin: 0 auto;
    margin-top: 50px;
    display: flex;
    justify-content: space-around;
    flex-flow: row wrap;
  }
  .choiceUs .choices .whys {
    width: 370px;
    height: 170px;
    overflow: hidden;
  }
  .choiceUs .choices .whys img {
    width: 82px;
    height: 82px;
    float: left;
  }
  .choiceUs .choices .whys .reasons {
    margin-left: 20px;
    float: right;
    width: 260px;
  }
  .choiceUs .choices .whys .reasons span {
    display: block;
  }
  .choiceUs .choices .whys .reasons span:first-child {
    font-size: 20px;
  }
  .choiceUs .choices .whys .reasons span:last-child {
    color: #666666;
    margin-top: 10px;
  }
  .technological{
    background-color: white;
  }
  .model {
    width: 100%;
  }
  .model .models {
    width: 100%;
    margin: 0 auto;
  }
  .model .models .modelup {
    display: flex;
  }
  .model .models .modelup .equipments {
    width: 800px;
    margin-top: 50px;
  }
  .model .models .modelup .equipments span {
    font-size: 14px;
    color: #666666;
    display: block;
    line-height: 20px;
    margin-top: 10px;
  }
  .model .models .modelup .equipments .title {
    font-size: 18px;
    color: black;
  }
  .model .models .modelup .equipments .lot {
    display: flex;
    flex-flow: row wrap;
    margin-top: 20px;
  }
  .model .models .modelup .equipments .lot a {
    display: block;
    width: 120px;
    height: 40px;
    background-color: #00a1ea;
    color: white;
    text-align: center;
    line-height: 40px;
    text-decoration: none;
    margin: 10px 20px;
  }
  .tables {
    width: 900px;
    margin: 50px auto;
  }
  .tables table {
    width: 100%;
    background-color: #b2b2b2;
  }
  .tables table tr {
    width: 100%;
  }
  .tables table tr td {
    width: 25%;
    border: solid 0.5px white;
    text-align: center;
    height: 30px;
    color: white;
  }
  .tables table tr .bgone {
    height: 120px;
  }
  .tables table .heads {
    background-color: #666666;
  }
  .tables table .titles {
    background-color: #7f7f7f;
  }
  .advantage {
    width: 100%;
    background-color: #f1f1f1;
  }
  .advantage .advantages {
    width: 100%;
    height: 380px;
    margin: 0 auto;
    margin-top: 50px;
    display: flex;
    justify-content: space-between;
  }
  .advantage .advantages .our_advantage {
    width: 280px;
    text-align: center;
    padding: 0 20px;
    margin-top: 20px;
    cursor: pointer;
  }
  .advantage .advantages .our_advantage img {
    width: 100%;
    vertical-align: top;
  }
  .advantage .advantages .our_advantage .ads {
    padding: 30px 20px;
    height: 200px;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
  }
  .advantage .advantages .our_advantage .ads span {
    display: block;
  }
  .advantage .advantages .our_advantage .ads span:first-child {
    font-size: 18px;
    color: #016cb9;
  }
  .advantage .advantages .our_advantage .ads span:last-child {
    font-size: 16px;
    color: #666666;
    text-align: left;
    margin-top: 15px;
  }
  .advantage .advantages .our_advantage:hover {
    animation: moveup 1s forwards;
  }
  .advantage .advantages .our_advantage:hover .ads {
    background-color: #00a1ea;
  }
  .advantage .advantages .our_advantage:hover .ads span {
    color: white;
  }
  @keyframes moveup {
    0% {
      margin-top: 20px;
    }
    100% {
      margin-top: 0;
    }
  }
  .contrast {
    width: 100%;
    background-color: #f1f1f1;
  }
  .contrast .contrasts {
    width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    padding-bottom: 30px;
  }
  .contrast .contrasts img {
    width: 94px;
    height: 126px;
    margin-top: 160px;
  }
  .contrast .contrasts .compare {
    width: 300px;
    text-align: center;
  }
  .contrast .contrasts .compare span {
    display: block;
    width: 100%;
    height: 50px;
    background: #666666;
    margin-top: 10px;
    line-height: 40px;
    color: white;
  }
  .contrast .contrasts .compare .even {
    background-color: #c2c2c2;
  }
  .contrast .contrasts .compare .first {
    background-color: #f1f1f1;
    color: #00a1ea;
    font-size: 22px;
  }
  .contrast .contrasts .our span {
    background-color: #00a1e7;
  }
  .contrast .contrasts .our .even {
    background-color: #99daf5;
  }
}
@media screen and (min-width: 1200px) {
  .choiceUs {
    width: 100%;
    height: 550px;
    background-color: #f1f1f1;
  }
  .choiceUs .choices {
    width: 1200px;
    margin: 0 auto;
    margin-top: 50px;
    display: flex;
    justify-content: space-between;
    flex-flow: row wrap;
  }
  .choiceUs .choices .whys {
    width: 370px;
    height: 170px;
    overflow: hidden;
  }
  .choiceUs .choices .whys img {
    width: 82px;
    height: 82px;
    float: left;
  }
  .choiceUs .choices .whys .reasons {
    margin-left: 20px;
    float: right;
    width: 260px;
  }
  .choiceUs .choices .whys .reasons span {
    display: block;
  }
  .choiceUs .choices .whys .reasons span:first-child {
    font-size: 20px;
  }
  .choiceUs .choices .whys .reasons span:last-child {
    color: #666666;
    margin-top: 10px;
  }
  .technological{
    background-color: white;
  }
  .model {
    width: 100%;
    padding-bottom: 50px;
  }
  .model .models {
    width: 1200px;
    margin: 0 auto;
  }
  .model .models .modelup {
    display: flex;
    justify-content: space-between;
  }
  .model .models .modelup img{
    width: 350px;
  }
  .model .models .modelup .equipments {
    width: 800px;
    margin-top: 50px;
  }

  .model .models .modelup .equipments span {
    font-size: 14px;
    color: #666666;
    display: block;
    line-height: 20px;
    margin-top: 10px;
  }
  .model .models .modelup .equipments .title {
    font-size: 18px;
    color: black;
  }
  .model .models .modelup .equipments .lot {
    display: flex;
    flex-flow: row wrap;
    margin-top: 20px;
  }
  .model .models .modelup .equipments .lot a {
    display: block;
    width: 120px;
    height: 40px;
    background-color: #00a1ea;
    color: white;
    text-align: center;
    line-height: 40px;
    text-decoration: none;
    margin: 10px 20px;
  }
  .tables {
    width: 1000px;
    margin: 50px auto;
  }
  .tables table {
    width: 100%;
    background-color: #b2b2b2;
  }
  .tables table tr {
    width: 100%;
  }
  .tables table tr td {
    width: 25%;
    border: solid 0.5px white;
    text-align: center;
    height: 30px;
    color: white;
    cursor: pointer;
  }
  .tables table tr td:hover{
    background-color: #00a1ea;
  }
  .tables table tr .bgone {
    height: 120px;
  }
  .tables table .heads {
    background-color: #666666;
  }
  .tables table .titles {
    background-color: #7f7f7f;
  }
  .advantage {
    width: 100%;
    background-color: #f1f1f1;
  }
  .advantage .advantages {
    width: 1200px;
    height: 380px;
    margin: 0 auto;
    margin-top: 50px;
    display: flex;
    justify-content: space-between;
  }
  .advantage .advantages .our_advantage {
    width: 280px;
    text-align: center;
    padding: 0 20px;
    margin-top: 20px;
    cursor: pointer;
  }
  .advantage .advantages .our_advantage img {
    width: 100%;
    vertical-align: top;
  }
  .advantage .advantages .our_advantage .ads {
    padding: 30px 20px;
    height: 190px;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
  }
  .advantage .advantages .our_advantage .ads span {
    display: block;
  }
  .advantage .advantages .our_advantage .ads span:first-child {
    font-size: 18px;
    color: #016cb9;
  }
  .advantage .advantages .our_advantage .ads span:last-child {
    font-size: 16px;
    color: #666666;
    text-align: left;
    margin-top: 15px;
  }
  .advantage .advantages .our_advantage:hover {
    animation: moveup 1s forwards;
  }
  .advantage .advantages .our_advantage:hover .ads {
    background-color: #00a1ea;
  }
  .advantage .advantages .our_advantage:hover .ads span {
    color: white;
  }
  @keyframes moveup {
    0% {
      margin-top: 20px;
    }
    100% {
      margin-top: 0;
    }
  }
  .contrast {
    width: 100%;
  }
  .contrast .contrasts {
    width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    padding-bottom: 30px;
    vertical-align: middle;
  }
  .contrast .contrasts img {
    width: 94px;
    height: 126px;
    margin-top: 400px;
    
  }
  .contrast .contrasts .compare {
    width: 420px;
    text-align: center;
  }
  .contrast .contrasts .compare span {
    display: block;
    width: 100%;
    background: #666666;
    margin-top: 10px;
    line-height: 40px;
    color: white;
    text-align: left;
    padding-left: 20px;
  }
  .contrast .contrasts .compare .even {
    background-color: #c2c2c2;
    line-height: normal;
    height: 100px;
  }
  .contrast .contrasts .compare .even:nth-child(3){
    height: 40px;
  }
  .contrast .contrasts .compare .even:nth-child(5){
    height: 80px;
  }
  .contrast .contrasts .compare .even:nth-child(9){
    height: 60px;
  }
  .contrast .contrasts .compare .even:nth-child(11){
    height: 60px;
  }
  .contrast .contrasts .compare .first {
    background-color: white;
    color: #00a1ea;
    font-size: 22px;
  }
  .contrast .contrasts .our span {
    background-color: #00a1e7;
  }
  .contrast .contrasts .our .even {
    background-color: #99daf5;
  }
}