@media screen and (max-width: 420px) {
  .cases {
    width: 100%;
    margin: 0 auto;
    border-bottom: solid 1px #cccccc;
    text-align: center;
    padding-bottom: 30px;
  }
  .cases .title {
    text-align: center;
  }
  .cases .title span {
    display: block;
    font-size: 20px;
  }
  .cases .title .litte{
    font-size: 12px;
    padding-top: 5px;
  }
  .cases .title .line {
    width: 206px;
    height: 2px;
    background-color: #006bb6;
    margin: 3px auto;
  }
  .cases .thecase {
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-flow: row wrap;
  }
  .cases .thecase .caseon {
    width: 46%;
    height: 245px;
    /* border: solid 1px #666666; */
    border-radius: 5px;
    text-decoration: none;
    margin: 15px auto;
    text-align: left;
  }
  .cases .thecase .caseon:hover{
    box-shadow: 5px 5px 10px #666666;
  }
  .cases .thecase .caseon img {
    width: 100%;
  }
  .cases .thecase .caseon span {
    display: block;
    font-size: 14px;
    margin-top: 20px;
    color: black;
    text-align: left;
    padding: 0 5px;
  }
  .cases .thecase .caseon span:nth-child(3){
    margin-top: 10px;
    font-size: 12px;
    color: #666666;
    height: 55px;
  }
  .cases .thecase .caseon .href{
    display: block;
    margin-top: 10px;
    color: #00a1ea;
    padding: 0 5px;
  }
  .cases .pages {
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    text-align: center;
  }
  .cases .pages a {
    float: left;
    display: block;
    padding: 5px 5px;
    border: solid 1px #666666;
    border-radius: 5px;
    color: #666666;
    margin-left: 10px;
    cursor: pointer;
    font-size: 12px;
  }
}
@media screen and (max-width: 769px) and (min-width: 420px) {
  .cases {
    width: 100%;
    margin: 0 auto;
    border-bottom: solid 1px #cccccc;
    text-align: center;
    padding-bottom: 30px;
  }
  .cases .title {
    text-align: center;
  }
  .cases .title span {
    display: block;
    font-size: 20px;
  }
  .cases .title .litte{
    font-size: 14px;
    padding-top: 5px;
  }
  .cases .title .line {
    width: 206px;
    height: 2px;
    background-color: #006bb6;
    margin: 3px auto;
  }
  .cases .thecase {
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-flow: row wrap;
  }
  .cases .thecase .caseon {
    width: 46%;
    height: 260px;
    /* border: solid 1px #666666; */
    border-radius: 5px;
    text-decoration: none;
    margin: 15px auto;
    text-align: left;
  }
  .cases .thecase .caseon:hover{
    box-shadow: 5px 5px 10px #666666;
  }
  .cases .thecase .caseon img {
    width: 100%;
  }
  .cases .thecase .caseon span {
    display: block;
    font-size: 16px;
    margin-top: 20px;
    color: black;
    text-align: left;
  }
  .cases .thecase .caseon span:nth-child(3){
    margin-top: 10px;
    font-size: 14px;
    color: #666666;
    margin-left: 10px;
  }
  .cases .thecase .caseon .href{
    display: block;
    margin-top: 20px;
    color: #00a1ea;
    margin-left: 10px;
  }
  .cases .pages {
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    text-align: center;
  }
  .cases .pages a {
    float: left;
    display: block;
    padding: 5px 10px;
    border: solid 1px #666666;
    border-radius: 5px;
    color: #666666;
    margin-left: 10px;
    cursor: pointer;
  }
}
@media screen and (max-width: 992px) and (min-width: 769px) {
  .cases {
    width: 100%;
    margin: 0 auto;
    border-bottom: solid 1px #cccccc;
    text-align: left;
    padding-bottom: 30px;
  }
  .cases .title .litte{
    font-size: 14px;
    padding-top: 5px;
  }
  .cases .title {
    height: 150px;
    text-align: center;
  }
  .cases .title span {
    display: block;
    font-size: 32px;
    padding-top: 100px ;
  }
  .cases .title .line {
    width: 206px;
    height: 2px;
    background-color: #006bb6;
    margin: 3px auto;
  }
  .cases .thecase {
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-flow: row wrap;
  }
  .cases .thecase .caseon {
    width: 46%;
    height: 380px;
    /* border: solid 1px #666666; */
    border-radius: 5px;
    text-decoration: none;
    margin: 15px auto;
  }
  .cases .thecase .caseon:hover{
    box-shadow: 5px 5px 10px #666666;
  }
  .cases .thecase .caseon img {
    width: 100%;
  }
  .cases .thecase .caseon span {
    display: block;
    font-size: 20px;
    margin-top: 20px;
    color: black;
    margin-left: 10px;
    text-align: left;
  }
  .cases .thecase .caseon span:nth-child(3){
    margin-top: 10px;
    font-size: 16px;
    color: #666666;
  }
  .cases .thecase .caseon .href{
    display: block;
    margin-top: 20px;
    color: #00a1ea;
    margin-left: 10px;
  }
  .cases .pages {
    width: 500px;
    margin: 0 auto;
    overflow: hidden;
    text-align: center;
  }
  .cases .pages a {
    float: left;
    display: block;
    padding: 5px 10px;
    border: solid 1px #666666;
    border-radius: 5px;
    color: #666666 s;
    margin-left: 20px;
    cursor: pointer;
  }
}
@media screen and (max-width: 1200px) and (min-width: 992px) {
  .cases {
    width: 100%;
    margin: 0 auto;
    border-bottom: solid 1px #cccccc;
    text-align: left;
    padding-bottom: 30px;
  }
  .cases .title {
    height: 150px;
    text-align: center;
  }
  .cases .title span {
    display: block;
    font-size: 32px;
    padding-top: 100px ;
  }
  .cases .title .litte{
    font-size: 14px;
    padding-top: 5px;
  }
  .cases .title .line {
    width: 206px;
    height: 2px;
    background-color: #006bb6;
    margin: 3px auto;
  }
  .cases .thecase {
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-flow: row wrap;
  }
  .cases .thecase .caseon {
    width: 380px;
    height: 380px;
    /* border: solid 1px #666666; */
    border-radius: 5px;
    text-decoration: none;
    margin: 15px auto;
  }
  .cases .thecase .caseon:hover{
    box-shadow: 5px 5px 10px #666666;
  }
  .cases .thecase .caseon img {
    width: 100%;
  }
  .cases .thecase .caseon span {
    display: block;
    font-size: 20px;
    margin-top: 20px;
    color: black;
    margin-left: 15px;
  }
  .cases .thecase .caseon span:nth-child(3){
    margin-top: 10px;
    font-size: 16px;
    color: #666666;
  }
  .cases .thecase .caseon .href{
    display: block;
    margin-top: 20px;
    color: #00a1ea;
    margin-left: 15px;
  }
  .cases .pages {
    width: 500px;
    margin: 0 auto;
    overflow: hidden;
    text-align: center;
  }
  .cases .pages a {
    float: left;
    display: block;
    padding: 5px 10px;
    border: solid 1px #666666;
    border-radius: 5px;
    color: #666666 s;
    margin-left: 20px;
    cursor: pointer;
  }
}
@media screen and (min-width: 1200px) {
  .cases {
    width: 1200px;
    margin: 0 auto;
    border-bottom: solid 1px #cccccc;
    text-align: center;
    padding-bottom: 50px;
  }
  .cases .title {
    /* height: 150px; */
    text-align: center;
  }
  .cases .title span {
    display: block;
    font-size: 30px;
    padding-top: 50px;
  }
  .cases .title .litte{
    font-size: 16px;
    padding-top: 0px;
    margin-top: 20px;
    line-height: 25px;
    color: #656565;
  }
  .cases .title .line {
    width: 206px;
    height: 2px;
    background-color: #006bb6;
    margin-left: 497px;
    margin-top: 3px;
    margin-bottom: 3px;
  }
  .cases .thecase {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-flow: row wrap;
    margin-top: 20px;
  }
  .cases .thecase .caseon {
    width: 340px;
    height: 380px;
    text-align: left;
    /* border: solid 1px #666666; */
    border-radius: 5px;
    text-decoration: none;
    margin: 30px auto;
  }
  .cases .thecase .caseon:hover{
    box-shadow: 5px 5px 10px #666666;
  }
  .cases .thecase .caseon img {
    width: 100%;
  }
  .cases .thecase .caseon span {
    display: block;
    font-size: 20px;
    margin-top: 20px;
    color: black;
    margin-left: 15px;
  }
  .cases .thecase .caseon span:nth-child(3){
    margin-top: 10px;
    font-size: 14px;
    color: #666666;
  }
  .cases .thecase .caseon .href{
    display: block;
    margin-top: 30px;
    color: #00a1ea;
    margin-left: 15px;
  }
  .cases .pages {
    width: 500px;
    margin: 0 auto;
    overflow: hidden;
    text-align: center;
  }
  .cases .pages a {
    float: left;
    display: block;
    padding: 5px 10px;
    border: solid 1px #666666;
    border-radius: 5px;
    color: #666666 s;
    margin-left: 20px;
    cursor: pointer;
  }
}