* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
    box-sizing: border-box;
}

body h2 {
    margin-bottom: 0;
}

.list-box {
    position: fixed;
    top: 60px;
    right: 15px;
    z-index: 999999;
    padding: 6px 5px;
    background: #000000cc;
    border-radius: 4px;
    display: none;
}

#sm_menu_ham {
    cursor: pointer;
    float: right;
    width: 25px;
    height: 19px;
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: all 0.5s ease-in-out 0s;
    -moz-transition: all 0.5s ease-in-out 0s;
    -o-transition: all 0.5s ease-in-out 0s;
    transition: all 0.5s ease-in-out 0s;
}

#sm_menu_ham span {
    background-color: #fff;
    border-radius: 5px;
    display: block;
    height: 2px;
    left: 0;
    opacity: 1;
    position: absolute;
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: all 0.25s ease-in-out 0s;
    -moz-transition: all 0.25s ease-in-out 0s;
    -o-transition: all 0.25s ease-in-out 0s;
    transition: all 0.25s ease-in-out 0s;
    width: 25px;
}

#sm_menu_ham span:nth-child(1) {
    top: 0;
}

#sm_menu_ham span:nth-child(2),
#sm_menu_ham span:nth-child(3) {
    top: 8px;
}

#sm_menu_ham span:nth-child(4) {
    top: 16px;
}

#sm_menu_ham.open span:nth-child(1) {
    left: 50%;
    top: 18px;
    width: 0;
}

#sm_menu_ham.open span:nth-child(2) {
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    transform: rotate(45deg);
}

#sm_menu_ham.open span:nth-child(3) {
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    transform: rotate(-45deg);
}

#sm_menu_ham.open span:nth-child(4) {
    left: 50%;
    top: 18px;
    width: 0;
}

.limit-line {
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    line-clamp: 3;
}

.limit-line-1 {
    -webkit-line-clamp: 1;
    line-clamp: 1;
}

.limit-line-2 {
    -webkit-line-clamp: 2;
    line-clamp: 2;
}

ol,
ul {
    margin: 0;
    padding: 0;
}

body,
html {
    width: 100%;
    height: 100%;
}

.subject {
    flex: 1;
}

header {
    background: #30429d;
    padding: 35px 0;
}

.head-left img {
    width: 296px;
}

.head-title {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    margin-left: 20px;
    padding-left: 30px;
    position: relative;
}

.head-title::after {
    content: "";
    display: block;
    width: 1px;
    height: 44px;
    background: #fff;
    border-radius: 1px;
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

.zhuce-link,
.login-denglu {
    font-size: 16px;
    color: #fff;
    padding: 0;
    border: 0;
    outline: 0;
    line-height: normal;
}

.login-denglu:hover,
.zhuce-link:hover {
    color: #fff;
    font-weight: 700;
}

.login-denglu {
    margin-right: 12px;
}

.zhuce-link {
    margin-left: 12px;
    position: relative;
}

.zhuce-link::after {
    content: "";
    display: block;
    width: 1px;
    height: 12px;
    background: #fff;
    position: absolute;
    top: 50%;
    left: -12px;
    transform: translateY(-50%);
}

.banner-box img {
    width: 100%;
}


.login-body {
    padding: 32px 50px 18px;
}

    .login-body i {
        color: #347184;
        font-size: 16px;
    }

    .login-body input {
        width: 90%;
        border: 0 none;
        outline: 0 none;
        padding-left: 10px;
        background: #f3f7f6;
    }

    .login-body > div {
        border: 1px solid #cfe2da;
        background: #f3f7f6;
        margin-bottom: 20px;
        padding: 10px 15px;
        border-radius: 5px;
    }

    /*.login-body input::input-placeholder {
        color: #96b7af;
    }

    .login-body input::-webkit-input-placeholder {
        color: #96b7af;
    }

    .login-body input::-moz-placeholder {
        color: #96b7af;
    }

    .login-body input::-ms-input-placeholder {
        color: #96b7af;
    }*/

    .login-body div:nth-of-type(3) {
        position: relative;
    }

.yzm {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 1;
}

    .yzm img {
        height: 39px;
    }

.login-btn {
    padding: 0 50px;
}

    .login-btn div input {
        display: block;
        width: 100%;
        padding: 10px 0;
        border-radius: 5px;
        margin: 10px 0;
        height: 60px;
        border: none;
        font-size: 20px;
    }

    .login-btn div:nth-of-type(1) input {
        color: #fff;
        background: #347184;
    }

    .login-btn div:nth-of-type(2) input {
        color: #347184;
        background: #fff;
        border: 1px solid #347184;
    }

.welcome {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translate(-50%);
    font-size: 20px;
    color: #347184;
    font-weight: bolder;
}

.login-body .active {
    border: 1px solid #347184;
}

.login-close {
    position: absolute;
    top: 0;
    right: 0;
}

/*  */
.ziyuan-bg { 
    background: #fff url(../img/Index/new-3.png) 0 0/cover no-repeat;
}

.materials-link {
    position: relative;
}

.syl-text {
    position: absolute;
    top: 0;
    left: 0;
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    border-radius: 4px 0px 8px 0px;
    height: 28px;
    padding: 0 9px;
}

.gjj-bg {
    background-image: linear-gradient(90deg, #3897f8 0%, #1880da 100%);
}

.sj-bg {
    background-image: linear-gradient(90deg, #5dc2ba 0%, #4ab8a7 100%);
}
.xj-bg {
    background-image: linear-gradient(90deg, #1a1e1e 0%, #128b78 100%);
}

.nav-pills,
.nav-tabs {
    margin: 0;
    border: 0;
}

.nav-pills .nav-item .nav-link,
.nav-tabs .nav-item .nav-link {
    padding: 0;
}

.nav-item .nav-link {
    border: 0;
}

.nav-tabs .nav-link {
    border-radius: 0;
}

.nav-tabs .nav-item {
    margin-bottom: 0;
}

.nav-tabs .nav-item.show .nav-link,
.nav-tabs .nav-link.active {
    background: transparent;
}

.ziyuan-tabs .nav-item .nav-link {
    font-size: 28px;
    color: #7b858b;
    position: relative;
    padding-bottom: 20px;
}

.ziyuan-tabs .nav-item .nav-link::after {
    content: "";
    display: block;
    width: 0;
    height: 4px;
    background: #485ecd;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translate(-50%);
    transition: all .3s ease;
}

.ziyuan-tabs .nav-item .nav-link:hover::after,
.ziyuan-tabs .nav-item .nav-link.active::after {
    width: 100%;
}

.ziyuan-tabs .nav-item .nav-link:hover,
.ziyuan-tabs .nav-item .nav-link.active {
    color: #1b1b1b;
}

.ziyuan-tabs .nav-item:not(:last-of-type) {
    margin-right: 70px;
}

.ziyuan-box {
    padding: 40px 0;
}

.ziyuan-head {
    border-bottom: 1px solid #d3d8e8;
}

.ziyuan-select {
    height: 40px;
    line-height: 40px;
    border-radius: 4px;
    border: 1px solid #d3d8e8;
    outline: 0;
    font-size: 16px;
    color: #303236;
    background: transparent;
    width: 140px;
    padding: 0 13px;
}

.mr-20 {
    margin-right: 20px;
}

.information {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 40px;
    padding: 25px 0;
}

.information a {
    display: block;
    color: #424458;
    font-size: 14px;
}

.materials-title {
    width: 100%;
    padding: 7px 0;
    overflow: hidden;
    font-size: 18px;
    transition: all .3s ease;
}

.information div i {
    padding: 0 2px 0 10px;
}

.information a img {
    width: 100%;
    height: 206px;
}

.materials>div>div>div {
    display: flex;
    align-items: center;
}

.materials-up {
    font-size: 14px;
}

/* hover效果 */
.materials:hover .materials-title {
    color: #3897f8;
}

.materials:hover div>div {
    color: #7289c0;
}

/* 查看更多 */
.see-btn {
    width: 150px;
    height: 40px;
    text-align: center;
    border: 1px solid #485ecd;
    color: #485ecd;
    font-size: 16px;
    border-radius: 20px;
    transition: all .3s ease;
}

.see-btn:hover {
    color: #485ecd;
    transform: translateY(-5px);
}

/*  */
.zixun-bg {
    background-color: #dde2fb66;
    padding: 40px 0;
}

.zixun-left {
    width: 67%;
    background: #fff;
    padding: 15px 34px;
}

.consultation-title {
    padding-left: 7px;
    font-size: 22px;
    color: #35374c;
}

.consultation-head {
    border-bottom: 1px solid #e8eaf3;
    position: relative;
    padding: 10px 0;
    padding-right: 5px;
}

.consultation-head::after {
    content: "";
    display: block;
    width: 190px;
    height: 3px;
    background: #30429d;
    position: absolute;
    bottom: -2px;
    left: 0;
}

.consultation-1 {
    padding: 25px 0;
    border-bottom: 1px solid #d3d8e8;
    margin-bottom: 10px;
}

.zixun-time {
    font-size: 16px;
    color: #a8aebf;
}

.zixun-title {
    font-size: 18px;
    color: #35374c;
}

.zixun-info {
    font-size: 14px;
    color: #a8aebf;
}

.zixun-more {
    font-size: 14px;
    color: #485ecd;
}

.zixun-img {
    min-width: 335px;
    height: 199px;
    border-radius: 6px;
    overflow: hidden;
    margin-right: 20px;
}

.zixun-img img {
    width: 100%;
    height: 100%;
}

.zixun-list {
    position: relative;
    font-size: 14px;
    padding-left: 13px;
    line-height: 28px;
    overflow: hidden;
}

.zixun-list::after {
    content: "";
    display: block;
    width: 4px;
    height: 4px;
    background: #485ecd;
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

.zixun-list span {
    color: #485ecd;
    white-space: nowrap;
    margin-right: 5px;
}

.zixun-list a {
    color: #35374c;
    transition: all .3s ease;
}

.zixun-list a:hover {
    color: #485ecd;
}

.zixun-cont {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-gap: 0 10px;
}

.zixun-right {
    width: 31.25%;
    background: #fff;
    padding: 10px 34px;
}

.ranking-head {
    padding: 10px 0;
    position: relative;
    border-bottom: 1px solid #e8eaf3;
}

.ranking-title {
    padding-left: 7px;
    font-size: 22px;
    color: #35374c;
}

.ranking-head::after {
    content: "";
    display: block;
    width: 200px;
    height: 3px;
    background: #485ecd;
    position: absolute;
    bottom: -2px;
    left: 0;
}

.yqlj-bg {
    background: #e7e9f0;
}

.partner {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-gap: 20px;
}

.partner img {
    width: 100%;
    height: 81px;

}

footer {
    background: #14267f;
    padding: 25px 0;
}

.foot-text a,
.foot-text {
    font-size: 12px;
    color: #fff;
}

.foot-text>div {
    margin: 0 15px;
}

.leaderboard {
    padding: 15px 0;
}

.leaderboard a {
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    padding: 0 10px 0 5px;
    color: #35374c;
}

.leaderboard a div:nth-of-type(2) {
    padding-left: 8px;
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    transition: all .3s ease;
}

.leaderboard a div:nth-of-type(2):hover {
    color: #485ecd;
}

.leaderboard li {
    padding: 10px 0;
}

.leaderboard .square {
    width: 23px;
    height: 21px;
    line-height: 21px;
    text-align: center;
    background: #dde2fb;
    border-radius: 7px 5px 7px 0;
    color: #485ecd;
}

.leaderboard li:nth-of-type(1) a .square {
    color: #fff;
    background: #dbb160;
}

.leaderboard li:nth-of-type(2) a .square {
    color: #fff;
    background: #b5bfc6;
}

.leaderboard li:nth-of-type(3) a .square {
    color: #fff;
    background: #c9a791;
}

.leaderboard li:nth-of-type(1) div {
    color: #505264;
}

.leaderboard li:nth-of-type(2) div {
    color: #505264;
}

.leaderboard li:nth-of-type(3) div {
    color: #505264;
}

.camaraderie {
    position: relative;
    padding: 10px 5px;
    border-bottom: 1px solid #e8eaf3;
}

.camaraderie h2 {
    padding-left: 7px;
}

.camaraderie h2::after {
    content: "";
    display: block;
    width: 170px;
    height: 3px;
    background: #8891a8;
    position: absolute;
    bottom: -2px;
    left: 6px;
}

.links {
    padding: 30px;
}

.partner {
    padding: 30px 0;
    text-align: center;
    font-size: 15px;
    color: #8891a8;
}

.partner span {
    display: block;
    margin-top: 10px;
}


/* 兼容 */
input::input-placeholder {
    color: #a5a7bb;
}

input::-webkit-input-placeholder {
    color: #a5a7bb;
}

input::-moz-placeholder {
    color: #a5a7bb;
}

input::-ms-input-placeholder {
    color: #a5a7bb;
}


/* 头部标题 */
.phone {
    display: none;
}

.totop {
    position: fixed;
    bottom: 80px;
    right: 80px;
    cursor: pointer;
}

.login-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: #0000008a;
    text-align: center;
    z-index: 9999;
    display: none;
}

.login-bg .login {
    max-width: 560px;
    width: 90%;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    padding: 40px;
    border-radius: 10px;
}

.login-logo {
    margin: 0 auto;
    position: relative;
}

.login-head {
    border-bottom: 1px solid #e8eaf3;
}

.login-school {
    font-size: 24px;
    padding: 10px 0;
    color: #000;
}

.login-btn {
    padding: 0 50px;
}

.welcome {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translate(-50%);
    font-size: 20px;
    color: #000;
    font-weight: bolder;
}

.login-close {
    position: absolute;
    top: 5px;
    right: 5px;
    font-size: 20px;
    cursor: pointer;
}

.yzdl {
    border: 1px solid #cfe2da;
    background: #f3f7f6;
    margin: 20px 0;
    padding: 10px 15px;
    border-radius: 5px;
}

@media screen and (min-width:1024px) {
    .list-box {
        display: none;
    }

    /* 导航栏 */
    .shouji-nav i {
        display: none;
    }

    .daohang-box {
        background: #14267f;
    }

    .head-nav-link {
        width: 100%;
        font-size: 18px;
        color: #fff;
        text-align: center;
        justify-content: center;
        padding: 11px 0;
        transition: all .3s ease;
    }

    .head-nav-ul>li {
        width: 100%;
        position: relative;
    }

    .head-nav-ul>li:hover .head-nav-link {
        color: #fff;
    }

    .head-nav-ul>li.active .head-nav-link,
    .head-nav-ul>li:hover .head-nav-link {
        background: #30429d;
    }
}

@media screen and (max-width:1023px) {
    .list-box {
        display: block;
    }

    /* 实验资源 */
    .people {
        display: none !important;
    }

    .partner {
        grid-template-columns: 1fr 1fr;
    }

    .links {
        padding: 0;
    }

    .leaderboard {
        padding: 15px 0;
    }

    .leaderboard a div:nth-of-type(2) {
        font-size: 20px;
    }

    /* 滚动条隐藏 */
    ::-webkit-scrollbar {
        display: none;
    }

    /* 登录 */
    .login-school {
        display: none;
    }

    .login-head {
        border: 0 none;
    }

    /*  */
    .zixun-box {
        flex-wrap: wrap;
    }

    .zixun-box>div {
        width: 100%;
    }

    .zixun-left {
        margin-bottom: 20px;
    }

    .information {
        grid-template-columns: 1fr 1fr;
    }

    /*  */
    header {
        padding: 25px 0;
    }

    .head-left img {
        width: 210px;
    }

    .head-title {
        font-size: 20px;
        padding: 0;
    }

    .head-title::after {
        display: none;
    }

    /*  */
    .header-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: #0E326C;
        z-index: 99;
        padding-top: 45px;
        overflow: scroll;
        display: none;
    }

    .head-nav-ul {
        flex-direction: column;
    }

    .head-nav-ul>li {
        width: 100%;
    }

    .shouji-nav>a {
        font-size: 24px;
        color: #fff;
        padding: 0 20px;
        height: 80px;
        line-height: 80px;
        font-weight: 700;
        display: block !important;
        width: 100%;
    }

    .shouji-nav {
        position: relative;
    }

    .shouji-nav i {
        font-size: 20px;
        color: #fff;
        position: absolute;
        right: 10px;
        z-index: 1;
        height: 80px;
        line-height: 80px;
        padding: 0 20px;
    }

    /*  */
    .ziyuan-box {
        padding: 20px 0;
    }

    .ziyuan-tabs .nav-item .nav-link {
        font-size: 18px;
    }

    .ziyuan-tabs .nav-item:not(:last-of-type) {
        margin-right: 25px;
    }
}

@media screen and (max-width:650px) {
    .information {
        grid-gap: 10px;
    }

    .head-left img {
        width: 150px;
    }

    .head-title {
        font-size: 16px;
        margin-left: 10px;
    }

    .ziyuan-tabs .nav-item .nav-link {
        font-size: 14px;
    }

    .ziyuan-tabs .nav-item:not(:last-of-type) {
        margin-right: 10px;
    }

    .ziyuan-select {
        height: 30px;
        line-height: 30px;
        font-size: 14px;
        width: 100px;
        padding: 0 10px;
    }

    .zixun-img {
        min-width: 200px;
        height: 165px;
    }
}

@media screen and (max-width:576px) {

    /* 登录 */
    .login-btn {
        padding: 0 15px;
    }
}

@media screen and (max-width:536px) {
    .head-img {
        padding-top: 0;
        transform: translate(-16px);
    }

    .ranking-title h2::after {
        width: 170px;
    }

    .recommend-title h2::after {
        width: 170px;
    }

    /*  */
    .head-left img {
        width: 110px;
    }

    .head-title {
        font-size: 12px;
    }

    .zhuce-link,
    .login-denglu {
        font-size: 13px;
    }
}




@media screen and (max-width:468px) {

    /* 登录 */
    .login-bg .login {
        padding: 15px;
    }
}

@media screen and (max-width:440px) {
    .leaderboard a div:nth-of-type(2) {
        font-size: 15px;
    }
}

@media screen and (max-width:350px) {
    .head-img {
        padding-top: 0;
        transform: translate(-10px);
    }
}