.sy {
    width: 100%;
    height: 100%;
    /* background: url(../image/bg.png) no-repeat; */
    background: radial-gradient( at center, #0075c3, #000b61);
    background-size: 100% 100%;
    overflow-x: hidden;
    position: relative;
    min-width: 1200px;
}

.sy_title {
    width: 900px;
    margin: 10% auto 0;
}

.sy_title img {
    display: block;
    width: 100%;
}

.sydl {
    width: 800px;
    margin: 5% auto 0;
    padding-bottom: 50px;
    border-radius: 15px;
    position: relative;
    z-index: 12;
    /* overflow: hidden; */
}

.sy_dl_nav {
    width: 100%;
    display: flex;
    justify-content: space-between;
}

.sy_dl_nav li {
    width: 28%;
    background-color: #fff;
    height: 60px;
    line-height: 60px;
    color: #006ebc;
    text-align: center;
    font-size: 20px;
    letter-spacing: 2px;
    /* margin-right: -3px;
    margin-top: -3px; */
}

.sy_dl_navbian {
    border-radius: 8px;
}

.sy_dl_navwei {
    width: 46% !important;
    background-color: #178bfd !important;
    height: 60px !important;
    line-height: 60px !important;
    color: #fff !important;
    text-align: center !important;
    font-size: 20px !important;
    letter-spacing: 2px;
    /* border-bottom-right-radius: 17px !important; */
}

.sy_dl_navact1 {
    width: 46% !important;
    background-color: #178bfd !important;
    height: 60px !important;
    line-height: 60px !important;
    color: #fff !important;
    text-align: center !important;
    font-size: 20px !important;
    letter-spacing: 2px;
    /* border-bottom-right-radius: 17px !important; */
}

.sy_dl_navact {
    width: 46% !important;
    background-color: #fff !important;
    height: 60px !important;
    line-height: 60px !important;
    color: #999999 !important;
    text-align: center !important;
    font-size: 20px !important;
    letter-spacing: 2px;
}


/* 高校管理员登录 */

.gl_dl {
    width: 100%;
    margin-top: 7%;
    padding: 0 20px;
    box-sizing: border-box;
    display: none;
}

.gl_dl_left {
    width: 350px;
    float: left;
}

.gl_dl_shu {
    width: 100%;
}

.gl_dl_shu1 {
    width: 100%;
    margin-top: 14%;
}

.gl_dl_shu input {
    display: block;
    width: 98%;
    height: 60px;
    font-size: 20px;
    border: none;
    outline: none;
    background-color: #e8e8e8;
    color: #333;
    padding: 0 15px;
    box-sizing: border-box;
    border-radius: 8px;
}

.gl_dl_shu1 input {
    display: block;
    float: left;
    width: 45%;
    height: 60px;
    font-size: 20px;
    border: none;
    outline: none;
    background-color: #e8e8e8;
    color: #333;
    padding: 0 15px;
    box-sizing: border-box;
    border-radius: 8px;
}

.gl_dl_shu1 button {
    display: block;
    float: right;
    width: 45%;
    height: 60px;
    font-size: 20px;
    border: none;
    outline: none;
    background-color: #f6f6f6;
    color: #999999;
    padding: 0 15px;
    box-sizing: border-box;
    border-radius: 8px;
    margin-right: 2%;
}

.gl_dl_right {
    width: 350px;
    float: right;
}

.gl_dl_right button {
    display: block;
    width: 100%;
    height: 180px;
    /* background-color: #64482c; */
    background-image: linear-gradient(#419df7, #8c5ebc);
    color: #fff;
    text-align: center;
    line-height: 180px;
    font-size: 22px;
    letter-spacing: 2px;
    border: none;
    outline: none;
    border-radius: 10px;
}


/* 教师/团队登录 */

.js_dl {
    width: 100%;
    margin-top: 7%;
    padding: 0 20px;
    box-sizing: border-box;
    display: none;
}

.pw_dl {
    width: 100%;
    margin-top: 7%;
    padding: 0 20px;
    box-sizing: border-box;
    display: none;
}

.js_dl_left {
    width: 350px;
    float: left;
}

.js_dl_shu {
    width: 100%;
}

.js_dl_shu input {
    display: block;
    width: 98%;
    height: 60px;
    font-size: 20px;
    border: none;
    outline: none;
    background-color: #e8e8e8;
    color: #333;
    padding: 0 15px;
    box-sizing: border-box;
    border-radius: 8px;
}

.js_dl_left div:nth-child(2) {
    margin-top: 14%;
}

.js_dl_right {
    width: 350px;
    float: right;
}

.js_dl_right button {
    display: block;
    width: 85%;
    height: 120px;
    margin: 0 auto;
    /* background-color: #64482c; */
    background-image: linear-gradient(#419df7, #8c5ebc);
    color: #fff;
    text-align: center;
    line-height: 120px;
    font-size: 22px;
    letter-spacing: 2px;
    border: none;
    outline: none;
    border-radius: 10px;
}

.js_dl_right p {
    width: 90%;
    text-align: right;
    margin: 4% auto 0;
}

.js_dl_right p a {
    display: inline-block;
    color: #999999;
    font-size: 16px;
    line-height: 1.5;
}


/* 底部版权 */

.banquan {
    width: 100%;
    position: absolute;
    left: 0;
    bottom: 5%;
    z-index: 12;
}

.banquan p {
    font-size: 16px;
    color: #fff;
    text-align: center;
    width: 100%;
    line-height: 1.5;
    letter-spacing: 1px;
}