@media screen and (max-width: 420px) {
    .lm-main {
        width: 95%;
        min-height: 990px;
        margin: 0px auto;
    }
    .lm-main-left {
        width: 100%;
        min-height: 320px;
    }
    .lm {
        width: 100%;
        height: 120px;
    }
    .lm img {
        width: 100%;
        height: 120px;
    }
    .lm-main-left-a1 {
        width: 100%;
        height: 50px;
        background-size: 100%;
        text-align: center;
        line-height: 50px;
    }
    .lm-main-right {
        width: 100%;
        min-height: 990px;
    }
    .lm-jj ul li {
        width: 280px;
        height: 400px;
        background: #eeeeee; 
        margin: 0px 57px 60px 57px;
        position: relative;
    }
    .lm-main-nav {
        width: 100%;
        min-height: 48px;
        background: #f4f4f4;
        line-height: 48px;
    }
    .lm-main-left ul li.active4 {
        background: url(jt4.png) #eef7fe no-repeat 320px 16px;
    }
    .lm-main-left ul li {
        width: 100%;
        height: 50px;
        border-bottom: 1px solid #f1f1f1;
        margin-top: 2px;
        text-align: center;
        line-height: 50px;
        background: url(jt3.png) #f8f9fa no-repeat 320px 16px;
    }
    .lm-main-left ul li:hover {
        background: url(jt4.png) #eef7fe no-repeat 320px 16px;
    }
  
}
@media screen and (max-width: 375px) {
    .lm-main {
        width: 95%;
        min-height: 990px;
        margin: 0px auto;
    }
    .lm-main-left {
        width: 100%;
        min-height: 320px;
    }
    .lm {
        width: 100%;
        height: 120px;
    }
    .lm img {
        width: 100%;
        height: 120px;
    }
    .lm-main-left-a1 {
        width: 100%;
        height: 50px;
        background-size: 100%;
        text-align: center;
        line-height: 50px;
    }
    .lm-main-right {
        width: 100%;
        min-height: 990px;
    }
    .lm-jj ul li {
        width: 280px;
        height: 400px;
        background: #eeeeee; 
        margin: 0px 40px 60px 40px;
        position: relative;
    }
    .lm-main-nav {
        width: 100%;
        min-height: 48px;
        background: #f4f4f4;
        line-height: 48px;
    }
    .lm-main-left ul li.active4 {
        background: url(jt4.png) #eef7fe no-repeat 320px 16px;
    }
    .lm-main-left ul li {
        width: 100%;
        height: 50px;
        border-bottom: 1px solid #f1f1f1;
        margin-top: 2px;
        text-align: center;
        line-height: 50px;
        background: url(jt3.png) #f8f9fa no-repeat 320px 16px;
    }
    .lm-main-left ul li:hover {
        background: url(jt4.png) #eef7fe no-repeat 320px 16px;
    }
}
@media screen and (max-width: 360px) {
    .lm-main {
        width: 95%;
        min-height: 990px;
        margin: 0px auto;
    }
    .lm-main-left {
        width: 100%;
        min-height: 320px;
    }
    .lm {
        width: 100%;
        height: 120px;
    }
    .lm img {
        width: 100%;
        height: 120px;
    }
    .lm-main-left-a1 {
        width: 100%;
        height: 50px;
        background-size: 100%;
        text-align: center;
        line-height: 50px;
    }
    .lm-main-right {
        width: 100%;
        min-height: 990px;
    }
    .lm-jj ul li {
        width: 280px;
        height: 400px;
        background: #eeeeee; 
        margin: 0px 30px 60px 30px;
        position: relative;
    }
    .lm-main-nav {
        width: 100%;
        min-height: 48px;
        background: #f4f4f4;
        line-height: 48px;
    }
    .lm-main-left ul li.active4 {
        background: url(jt4.png) #eef7fe no-repeat 320px 16px;
    }
    .lm-main-left ul li {
        width: 100%;
        height: 50px;
        border-bottom: 1px solid #f1f1f1;
        margin-top: 2px;
        text-align: center;
        line-height: 50px;
        background: url(jt3.png) #f8f9fa no-repeat 320px 16px;
    }
    .lm-main-left ul li:hover {
        background: url(jt4.png) #eef7fe no-repeat 320px 16px;
    }
}
@media screen and (max-width: 320px) {
    
    .lm-main {
        width: 95%;
        min-height: 990px;
        margin: 0px auto;
    }
    .lm-main-left {
        width: 100%;
        min-height: 320px;
    }
    .lm {
        width: 100%;
        height: 120px;
    }
    .lm img {
        width: 100%;
        height: 120px;
    }
    .lm-main-left-a1 {
        width: 100%;
        height: 50px;
        background-size: 100%;
        text-align: center;
        line-height: 50px;
    }
    .lm-main-right {
        width: 100%;
        min-height: 990px;
    }
    .lm-jj ul li {
        width: 280px;
        height: 400px;
        background: #eeeeee; 
        margin: 0px 20px 60px 20px;
        position: relative;
    }
    .lm-main-nav {
        width: 100%;
        min-height: 48px;
        background: #f4f4f4;
        line-height: 48px;
    }
    .lm-main-left ul li.active4 {
        background: url(jt4.png) #eef7fe no-repeat 320px 16px;
    }
    .lm-main-left ul li {
        width: 100%;
        height: 50px;
        border-bottom: 1px solid #f1f1f1;
        margin-top: 2px;
        text-align: center;
        line-height: 50px;
        background: url(jt3.png) #f8f9fa no-repeat 320px 16px;
    }
    .lm-main-left ul li:hover {
        background: url(jt4.png) #eef7fe no-repeat 320px 16px;
    }
}