@media only screen and (max-width: 1920px) {
    body {
        background: #45e7fc;
    }
    body .login {
        /*background: #FFF;*/
        width: 712px;
        height: 1080px;
        top: 20%;
        border-style: solid;
        border-width: 4px;
        border-color: #8DEEEE;
        border-radius: 20px;
        margin: 0 auto;
    }
    body .login .logo_img {
        width: 128px;
        height: 128px;
        margin: 0 auto;
        border-style: solid;
        border-width: 4px;
        border-color: #FFF;
        border-radius: 100%;
        top: 20px;
    }
    .logo_img .logo_pic {
        height: 128px;
        width: 128px;
    }
    .login .login_text {
        text-align: center;
        font-size: 24px;
        color: #A3A3A3;
    }
    .login_form {
        background: #FFF;
        margin: 0 auto;
        width: 400px;
        height: 500px;
        border-style: solid;
        border-color: #FFF;
        border-radius: 5px;
        margin-top: 40px;
    }
    .login_form .input_id,
    .input_pass {
        width: 180px;
        border-style: solid;
        border-color: #4169E1;
        border-width: 2px;
        border-radius: 20px;
        font-size: 20px;
        background: #FFFFFF;
        color: #800ffa;
        margin-left: 15px;
    }
    .login_form .label_id {
        text-align: left;
        font-size: 22px;
        font-color: #ABABAB;
        margin-top: 15px;
        margin-left: 15px;
    }
    .login_form .input_button {
        border-style: solid;
        border-width: 2px;
        background: #4169E1;
        border-color: #4169E1;
        font-size: 20px;
        color: #FFF;
        border-radius: 10px;
        width: 60px;
        height: 40px;
        margin-top: 20px;
        margin-left: 15px;
    }
    body .stuinfo {
        width: 320px;
        height: 400px;
        border-radius: 5px;
        border-style: solid;
        border-color: #fff;
        margin: 0 auto;
        margin-top: 100px;
        background-color: #fff;
    }
    .stuinfo .stuimg {
        width: 180px;
        height: 240px;
        border-style: solid;
        border-radius: 6px;
        border-color: #FFF;
        margin-top: 10px;
        float: left;
    }
    .stuimg .showpic {
        width: 180px;
        height: 240px;
    }
    .stuinfo .stuclass {
        font-size: 16px;
        color: #27408B;
        text-align: center;
        margin: 40px auto;
    }
    .stuinfo .stusex {
        font-size: 14px;
        color: #EE6AA7;
        margin: 20px auto;
        text-align: center;
    }
    .stuinfo .cjinfo {
        font-size: 14px;
        color: #DC143C;
        margin-top: 10px;
        float: left;
    }
    .cjinfo .cj {
        color: #191970;
        text-align: center;
    }
    .stuinfo .stu_bt {
        clear: left;
        border-radius: 10px;
        border-style: solid;
        border-color: #54FF9F;
        border-width: 2px;
        background: #27408B;
        width: 120px;
        height: 40px;
        text-align: center;
        float: right;
        margin-top: 80px;
        margin-left: 10px;
        line-height: 40px;
    }
    .stu_bt .bt_lb {
        font-size: 18px;
        color: #FFF;
    }
    .jieshao {
        width: 360px;
        height: 180px;
        margin-left: 15px;
    }
    .jieshao1 {
        font-size: 18px;
        color: #551A8B;
    }
    .jieshao2 {
        color: #FF0000;
        font-size: 18px;
    }
    .foot {
        width: 960px;
        height: 50px;
        font-size: 15px;
        color: #704242;
        margin-top: 100px;
        text-align: center;
        margin: 0 auto;
    }
}

@media only screen and (max-width: 1080px) {
    body {
        background: #45e7fc;
    }
    body .login {
        /*background: #FFF;*/
        width: 960px;
        height: 1440px;
        top: 20%;
        border-style: solid;
        border-width: 4px;
        border-color: #8DEEEE;
        border-radius: 20px;
        margin: 0 auto;
    }
    body .login .logo_img {
        width: 256px;
        height: 256px;
        margin: 0 auto;
        border-style: solid;
        border-width: 4px;
        border-color: #FFF;
        border-radius: 100%;
        top: 10px;
    }
    .logo_img .logo_pic {
        height: 256px;
        width: 256px;
    }
    .login .login_text {
        text-align: center;
        font-size: 60px;
        color: #0100FF;
    }
    p1 {
        font-size: 48px;
    }
    .login_form {
        background: #FFF;
        margin: 0 auto;
        width: 800px;
        height: 900px;
        border-style: solid;
        border-color: #FFF;
        border-radius: 15px;
        margin-top: 10px;
    }
    .login_form .input_id,
    .input_pass {
        width: 420px;
        height: 80px;
        border-style: solid;
        border-color: #4169E1;
        border-width: 2px;
        border-radius: 20px;
        font-size: 40px;
        background: #FFFFFF;
        color: #800ffa;
        margin-left: 80px;
        margin-top: 10px;
    }
    .login_form .label_id {
        text-align: left;
        font-size: 60px;
        color: #0728D2;
        margin-top: 10px;
        margin-left: 80px;
    }
    .login_form .input_button {
        border-style: solid;
        border-width: 10px;
        background: #4169E1;
        border-color: #4169E1;
        font-size: 60px;
        color: #FFF;
        border-radius: 10px;
        width: 200px;
        height: 100px;
        margin-top: 10px;
        margin-left: 100px;
    }
    body .stuinfo {
        width: 800px;
        height: 1024px;
        border-radius: 5px;
        border-style: solid;
        border-color: #fff;
        margin: 0 auto;
        margin-top: 100px;
        background-color: #fff;
    }
    .stuinfo .stuimg {
        width: 400px;
        height: 540px;
        border-style: solid;
        border-radius: 26px;
        border-color: #FFF;
        margin-top: 20px;
        margin-left: 20px;
        float: left;
    }
    .stuimg .showpic {
        width: 400px;
        height: 540px;
    }
    .stuinfo .stuclass {
        font-size: 40px;
        color: #27408B;
        text-align: center;
        margin-top: 160px;
    }
    .stuinfo .stusex {
        font-size: 32px;
        color: #EE6AA7;
        margin: 20px;
        text-align: center;
    }
    .stuinfo .cjinfo {
        font-size: 40px;
        color: #DC143C;
        margin: 20px;
        float: left;
    }
    .cjinfo .cj {
        color: #191970;
        text-align: center;
    }
    .stuinfo .stu_bt {
        border-radius: 10px;
        border-style: solid;
        border-color: #54FF9F;
        border-width: 2px;
        background: #27408B;
        width: 320px;
        height: 96px;
        text-align: center;
        float: right;
        margin-top: 180px;
        margin-left: 5px;
        margin-right: 40px;
        line-height: 90px;
    }
    .stu_bt .bt_lb {
        font-size: 48px;
        color: #FFF;
    }
    .jieshao {
        width: 760px;
        height: 360px;
        margin-left: 35px;
    }
    .jieshao1 {
        font-size: 40px;
        color: #551A8B;
    }
    .jieshao2 {
        color: #FF0000;
        font-size: 40px;
    }
    .foot {
        width: 960px;
        height: 50px;
        font-size: 35px;
        color: #704242;
        margin-top: 50px;
        text-align: center;
    }
}

@media only screen and (max-width: 960px) {
    body {
        background: #45e7fc;
    }
    body .login {
        /*background: #FFF;*/
        width: 853px;
        height: 1080px;
        top: 20%;
        border-style: solid;
        border-width: 3px;
        border-color: #8DEEEE;
        border-radius: 18px;
        margin: 0 auto;
    }
    body .login .logo_img {
        width: 228px;
        height: 228px;
        margin: 0 auto;
        border-style: solid;
        border-width: 3px;
        border-color: #FFF;
        border-radius: 100%;
        top: 8px;
    }
    .logo_img .logo_pic {
        height: 228px;
        width: 228px;
    }
    .login .login_text {
        text-align: center;
        font-size: 43px;
        color: #A3A3A3;
    }
    .login_form {
        background: #FFF;
        margin: 0 auto;
        width: 569px;
        height: 640px;
        border-style: solid;
        border-color: #FFF;
        border-radius: 12px;
    }
    .login_form .input_id,
    .input_pass {
        width: 373px;
        height: 48px;
        border-style: solid;
        border-color: #4169E1;
        border-width: 2px;
        border-radius: 16px;
        font-size: 32px;
        background: #FFFFFF;
        color: #800ffa;
        margin-left: 12px;
    }
    .label_id label {
        text-align: left;
        font-size: 36px;
        margin-top: 30px;
        color: #4169E1;
        margin-left: 12px;
    }
    .login_form .input_button {
        border-style: solid;
        border-width: 8px;
        background: #4169E1;
        border-color: #4169E1;
        font-size: 36px;
        color: #FFF;
        border-radius: 8px;
        width: 160px;
        height: 80px;
        margin-top: 16px;
        margin-left: 12px;
    }
    body .stuinfo {
        width: 640px;
        height: 910px;
        border-radius: 4px;
        border-style: solid;
        border-color: #fff;
        margin: 0 auto;
        margin-top: 80px;
        background-color: #fff;
    }
    .stuinfo .stuimg {
        width: 240px;
        height: 420px;
        border-style: solid;
        border-radius: 20px;
        border-color: #FFF;
        margin-top: 16px;
        margin-left: 16px;
        float: left;
    }
    .stuimg .showpic {
        width: 240px;
        height: 420px;
    }
    .stuinfo .stuclass {
        font-size: 24px;
        color: #27408B;
        text-align: center;
        margin-top: 142px;
    }
    .stuinfo .stusex {
        font-size: 28px;
        color: #EE6AA7;
        margin: 16px;
        text-align: center;
    }
    .stuinfo .cjinfo {
        font-size: 24px;
        color: #DC143C;
        margin: 16px;
        float: left;
    }
    .cjinfo .cj {
        color: #191970;
        text-align: center;
    }
    .stuinfo .stu_bt {
        border-radius: 8px;
        border-style: solid;
        border-color: #54FF9F;
        border-width: 2px;
        background: #27408B;
        width: 284px;
        height: 85px;
        text-align: center;
        float: right;
        margin-top: 64px;
        margin-left: 4px;
        margin-right: 16px;
        line-height: 72px;
    }
    .stu_bt .bt_lb {
        font-size: 43px;
        color: #FFF;
    }
    .jieshao {
        width: 569px;
        height: 320px;
        margin-left: 12px;
    }
    .jieshao1 {
        font-size: 29px;
        color: #551A8B;
    }
    .jieshao2 {
        color: #FF0000;
        font-size: 29px;
    }
}