@charset "utf-8";

/* CSS Document */
@font-face {
    font-family: 'SourceHanSansCN';
    src: url('../fonts/SourceHanSansCN/SourceHanSansCN-Light.otf');
    font-weight: normal;
    font-style: normal;
}

.w-1400 {
    width: 1400px;
    margin: 0 auto
}

.w-1200 {
    width: 1200px;
    margin: 0 auto
}

/*首页*/
.el-header {
    background: #fff;
    border-bottom: 1px solid #ddd;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 999;
    font-size: 16px;
}

.el-header .pull {
    height: 85px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pull-left {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.pull-left .t-logo {
    width: 160px;
    display: block;
    margin-right: 20px;
}

.pull-left .t-logo img {
    width: 100%;
    display: block;
}

.pull-left .t-nav a {
    display: inline-block;
    color: #333;
    margin-right: 20px;
    padding-bottom: 5px;
}

.pull-left .t-nav a.active {
    border-bottom: 2px solid #1a8cff;
    color: #1a8cff;
}

.pull-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.pull-right .t-sel {
    width: 80px;
}

.pull-right .el-input__inner {
    height: 30px;
    line-height: 30px;
}

.pull-right .el-input__icon {
    line-height: 30px;
}

.pull-right .el-input-group__append:hover {
    background-color: #46a1fd;
}

.pull-right .el-input-group__append {
    padding: 0 10px;
    background-color: #1a8cff;
    color: #fff;
    border: none;
}

.pull-right .ctrl-btn {
    margin-left: 20px;
    height: 28px;
    font-size: 15px;
    line-height: 28px;
    text-align: center;
    border-radius: 2px;
    border: 1px solid #1a8cff;
    width: 60px;
    color: #1a8cff;
    display: block;
}

.pull-right .ctrl-btn:hover {
    color: #46a1fd;
}

.pull-right a:last-child.ctrl-btn {
    background-color: #1a8cff;
    color: #fff;
}

.pull-right a:last-child.ctrl-btn:hover {
    background-color: #46a1fd;
}

.index-banner {
    position: relative;
    height: 410px;
}

.index-banner .el-tabs__header {
    width: 280px;
    background-color: hsla(0, 0%, 100%, .8);
}

.index-banner .el-tabs--left .el-tabs__header.is-left {
    margin-right: 0;
}

.index-banner .el-tabs__item {
    height: 82px;
}

.index-banner .el-tabs--left .el-tabs__active-bar.is-left,
.index-banner .el-tabs--left .el-tabs__nav-wrap.is-left::after {
    right: auto;
}

.index-banner .el-tabs__nav-wrap::after {
    background: none;
}

.index-banner .el-tabs--left .el-tabs__active-bar.is-left {
    width: 0;
}

.index-banner .el-tabs--left .el-tabs__item.is-left {
    text-align: left;
}

.ell {
    -webkit-line-clamp: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.index-banner .tab_t h6 {
    color: #3d3d3d;
    font-size: 16px;
    line-height: 46px;
    font-weight: bold;
}

.index-banner .tab_t h6 img {
    width: 16px;
    height: 16px;
    margin-right: 6px;
    vertical-align: -2px;
}

.index-banner .tab_t h6 i {
    color: #b3b3b3;
    float: right;
    line-height: 42px;
}

.index-banner .tab_t p {
    line-height: 20px;
}

.index-banner .tab_t em {
    margin-right: 15px;
    font-size: 14px;
    line-height: 20px;
    text-align: left;
    display: inline-block;
}

.index-banner .tab_t em a {
    color: #666;
}

.index-banner .tab_t em a:hover {
    color: #1a8cff;
}

.el-tabs .is-active {
    background-color: #fff;
}

.el-tabs__active-bar {
    background-color: none;
}

.class-wappaer .con-right {
    background: #fff;
    height: 410px;
    width: 920px;
    padding: 15px 0 15px 30px;
    color: #333;
}

.class-wappaer .con-right ul {
    height: 380px;
    overflow: hidden;
}

.class-wappaer .con-right li h4 {
    font-weight: bold;
    font-size: 15px;
    margin-bottom: 12px;
}

.class-wappaer .con-right li {
    margin-bottom: 15px;
}

.class-wappaer .con-right li a {
    margin-right: 20px;
    line-height: 26px;
    color: #666;
}

.class-wappaer .con-right li a:hover {
    color: #1a8cff;
}

.class-wappaer {
    width: 1200px;
    margin: 0 auto;
    position: relative;
}

.class-nav {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 222;
}

.el-main {
    padding: 85px 0 0 0;
}

.index-banner .el-carousel__container {
    height: 410px;
}

.index-banner .b-bg {
    background-position: 50%;
    background-repeat: no-repeat;
    background-size: cover;
    height: 410px;
}

.index-banner .b-txt {
    padding-top: 80px;
    padding-left: 304px;
    text-align: left;
    color: #fff;
}

.index-banner .b-txt h1 {
    margin-bottom: 20px;
    font-size: 40px;
}

.index-banner .b-txt p {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
}

.index-banner .b-txt .down-link {
    display: inline-block;
    width: 144px;
    height: 48px;
    background: #ffe666;
    border-radius: 4px;
    line-height: 48px;
    text-align: center;
    font-size: 20px;
    color: #333;
}

.index-banner .b-txt .down-link:hover {
    opacity: .8;
}


.bottom-nav {
    width: 100%;
    background-color: #f2f8ff;
    margin-bottom: 40px;
}

.bottom-nav .item-box .item {
    float: left;
    width: 20%;
    padding: 30px 14px;
    cursor: pointer;
}

.bottom-nav .item-box .item img {
    float: left;
    font-size: 30px;
    margin-right: 10px;
    width: 48px;
}

.bottom-nav .item-box .item .right {
    padding-left: 44px;
}

.bottom-nav .item-box .item .right span.top {
    font-size: 18px;
    margin-bottom: 6px;
}

.bottom-nav .item-box .item .right .desc {
    color: #666;
}

.index-tit {
    font-size: 32px;
    text-align: center;
    margin-bottom: 50px;
    font-weight: bold;
}

.tese-item-box {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.tese-item-box .item {
    width: 300px;
    height: 214px;
    text-align: center;
    top: 0;
    transition: all .3s;
    transition-delay: 0s;
    cursor: pointer;
    font-size: 16px;
}

.tese-item-box .item img {
    margin: 0 auto 16px;
    width: 96px;
    display: block;
}

.gx_bg {
    background-color: rgb(241, 248, 255);
}

.gaoxian {
    padding: 50px 0;
}

.gaoxian .gx_con {
    display: flex;
    justify-content: space-between;
}

.gaoxian .gx_con .gx_rg {
    padding-top: 30px;
}

.gaoxian .gx_rg h3 {
    font-size: 24px;
    margin-bottom: 16px;
    font-weight: bold;
}

.gaoxian .gx_rg p {
    color: #666;
    margin-bottom: 10px;
    font-size: 14px;
    line-height: 1.8;
}

.gaoxian .tk-desc p {
    padding-left: 14px;
    position: relative;
}

.gaoxian .tk-desc p b {
    display: inline-block;
    font-weight: bold;
}

.gaoxian .tk-desc p b:before {
    content: "";
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #ff9220;
    position: absolute;
    left: 0;
    top: 8px;
}

.gaoxian .gx_rg button {
    height: 40px;
    line-height: 40px;
    padding: 0 20px;
    border-radius: 4px;
    margin-top: 20px;
    background-color: #1a8cff;
    border: none;
    color: #fff;
}

.gaoxian .gx_rg button:hover {
    background-color: #48a3ff;
}

.gx_pb {
    padding-bottom: 16px;
    display: flex;
    justify-content: space-between;
}

.ts-top {
    width: 588px;
    height: 230px;
    padding: 32px;
    color: #fff;
    background-size: 100% 100%;
    background-image: url(../images/ts_ct.png);
}

.ts-top.jx-top {
    background-image: url(../images/ts_jx.png);
}

.ts-top p {
    width: 300px;
    margin-bottom: 10px;
}

.ts-top b {
    font-size: 24px;
    font-weight: bold;
}

.ts-top .ts-btn a,
.ts-top .ts-btn span {
    display: inline-block;
    width: 112px;
    height: 40px;
    border: 1px solid #fff;
    border-radius: 4px;
    text-align: center;
    line-height: 40px;
    font-size: 14px;
    cursor: pointer;
    color: #fff;
}

.ts-top .ts-desc {
    margin-bottom: 16px;
}

.ts-top .ts-btn a:hover,
.ts-top .ts-btn span:hover {
    opacity: .8;
}

.big-data {
    height: 400px;
    background-image: url(../images/ee7e5b7.png);
    background-size: cover;
    background-repeat: no-repeat;
}

.big-data .index-tit {
    color: #fff;
    padding: 40px 0;
    margin-bottom: 30px;
}

.big-data .data-box {
    width: 1200px;
    display: flex;
    margin: 0 auto;
    justify-content: space-around;
    text-align: center;
}

.big-data .data-box>div {
    width: 20%;
}

.big-data .data-box p {
    font-size: 20px;
    color: #fff;
}

.big-data .data-box p.top-data {
    font-size: 40px;
    margin-bottom: 20px;
}

.bd-btn {
    text-align: center;
    margin-top: 20px;
    color: rgb(26, 140, 255);
}

.bd-btn button {
    height: 40px;
    line-height: 40px;
    padding: 0 20px;
    border-radius: 4px;
    margin-top: 20px;
    background-color: #fff;
    border: none;
    color: #1a8cff;
}

.bd-btn button:hover {
    color: #1a8cff;
    background-color: #e8f4ff;
}

.bottom-free {
    padding: 40px 0;
    text-align: center;
    background-image: url(../images/2795cf6.png);
    background-size: cover;
    background-repeat: no-repeat;
}

.bottom-free .index-tit {
    color: #fff;
}

.free-trial-box {
    width: 465px;
    border-radius: 8px;
    padding-left: 30px;
    height: 58px;
    overflow: hidden;
    background: #fff;
    margin-top: 40px;
}

.bottom-free .free-trial-box {
    margin: 0 auto;
}

.hzhb {
    padding: 50px 0;
}

.free-trial-box .input {
    width: calc(100% - 157px);
    font-size: 18px;
    border: none;
    outline: none;
    line-height: 58px;
    float: left;
}

.free-trial-box .btn {
    width: 157px;
    background: #f76377;
    font-size: 18px;
    font-weight: 400;
    color: #fff;
    line-height: 58px;
    text-align: center;
    float: left;
}

.free-trial-box .btn a {
    color: #fff;
    display: block;
}

.el-footer {
    background-color: #2a2c35;
    padding: 30px 0 24px;
    width: 100%;
    z-index: 99;
    color: #ccc;
}

.el-footer .footer-row {
    display: flex;
}

.el-footer .footer-row .navs {
    width: 270px;
}

.el-footer .footer-row .navs .tit {
    font-size: 16px;
    color: #fff;
    margin-bottom: 24px;
}

.el-footer .footer-row .navs .link-view {
    line-height: 34px;
    font-size: 14px;
}

.el-footer .footer-row .navs a {
    color: #ccc;
}

.el-footer .footer-row .navs .img-view img {
    width: 112px;
    height: 112px;
}

.el-footer .footer-row .navs .img-view span {
    display: block;
    margin-top: 14px;
    font-size: 12px;
}

.el-footer .footer-row .navs.lxwm {
    width: 800px;
    font-size: 14px;
}

.el-footer .footer-row .navs.lxwm .c-row {
    margin-bottom: 16px;
}

.el-footer .footer-row .navs .tel {
    font-size: 24px;
}

.el-footer .footer-row .navs a:hover {
    color: #198bff;
}

.el-footer .hr {
    height: 1px;
    background-color: #4d4d4d;
    margin: 24px 0;
}

.el-footer .left-view {
    display: flex;
}

.el-footer .left-view,
.el-footer .right-view {
    font-size: 12px;
    color: #ccc;
}

.el-footer .left-view a,
.el-footer .right-view a {
    color: #ccc;
}

.el-footer .left-view .copy-right {
    width: 500px;
    margin-left: 24px;
}

/*注册登录*/
.account-bj {
    background-color: #1a8cff;
}

.account-container {
    width: 1000px;
    margin: auto;
    min-height: calc(100vh - 140px);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.account-container .acc-left {
    width: 500px;
    text-align: center;
}

.form-main {
    background-color: #fff;
    padding: 30px;
    margin-bottom: 30px;
    border: 1px solid #e9e9e9;
    border-radius: 4px;
    text-align: center;
}

.form-logo {
    width: 100%;
    margin: 0 auto;
    text-align: center;
}

.form-logo h6 {
    font-size: 30px;
    font-weight: bold;
}

.form-pro {
    margin-top: 34px;
    width: 366px;
    font-size: 16px;
}

.form-pro .el-form-item {
    margin-bottom: 26px;
}

.form-pro .el-input-group {
    position: relative;
    text-align: left;
    margin-bottom: 0px;
    line-height: 46px;
    height: 46px;
}

.form-pro .el-input__inner {
    line-height: 48px;
    height: 48px;
    padding-left: 40px;
}

.form-pro .el-input__icon {
    font-size: 20px;
    line-height: 48px;
}

.form-pro .fm-yzm {
    width: 120px;
    padding: 15px 20px;
    margin-left: 12px;
}

.form-pro .fm-btn {
    width: 100%;
    display: block;
    padding: 14px 20px;
}

.fm-xy {
    text-align: left;
    line-height: 48px;
    margin-bottom: 10px;
}

.suffix {
    width: 234px;
    float: left;
}

.fm-xy a {
    color: #333;
}

.bottom-ctrl {
    text-align: center;
    font-size: 14px;
    margin-top: 10px;
}

.bottom-ctrl a {
    color: #1a8cff;
}

.btn-wx {
    background-color: rgb(59, 195, 114);
    border-color: rgb(59, 195, 114);
    margin: 10px 0;

}

.btn-wx:hover {
    background-color: rgb(59, 195, 114);
    border-color: rgb(59, 195, 114);
}

.form-pro .el-button+.el-button {
    margin-left: 0;
}

.forget {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 15px;
    font-size: 12px;
}

.forget a {
    color: #333;
}

.content img {
    width: 80%;
    margin: 0 auto;
    display: block;
}

.bdt-agreen {
    text-align: center;
}

/*题库*/
.paper-class-page {
    background-color: #f5f5f5;
    padding-bottom: 24px;
    min-height: calc(100vh - 430px);
}

.ztk-1 {
    margin-top: 20px;
    background-color: #fff;
    
}

.ztk-1 .el-tabs__header {
    width: 240px;
    border-right: 1px solid #eee;
    padding-top: 10px;
}

.ztk-1 .el-tabs__item {
    height: 52px;
    line-height: 52px;
}

.ztk-1 .el-tabs--left .el-tabs__item.is-left {
    text-align: left;
}

.ztk-1 .is-active {
    background-color: #ebf4ff;
}

.ztk-1 .el-tabs--left .el-tabs__active-bar.is-left,
.ztk-1 .el-tabs--left .el-tabs__nav-wrap.is-left::after {
    right: auto;
}

.ztk-1 .el-tabs__nav-wrap::after {
    background: none;
}

.ztk-1 .el-tabs--left .el-tabs__header.is-left {
    margin-right: 0;
}

.tks-list {
    padding-bottom: 40px;
}

.tks-list li {
    padding: 16px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.tks-list li .tks-fl {
    display: flex;
    align-items: center;
}

.tks-list li .tks-fl .l-icon {
    width: 32px;
    margin-right: 16px;
}

.tks-list li .tks-fl .tit {
    margin-bottom: 8px;
    font-size: 16px;
    width: 550px !important;
}

.tks-list li .tks-fl .foot {
    color: #8c8c8c;
    font-size: 14px;
    max-width: 550px;
    line-height: 16px;
}

.tks-list li .tks-fl .foot span {
    display: inline-flex;
    margin-right: 8px;
    vertical-align: middle;
    
}

.tks-list li .tks-fl .foot span i {
    color: #999;
    margin-right: 3px;
    line-height: 16px;
    font-size: 16px;
}

.tks-list li .tks-rg a {
    color: #1a8cff;
    display: inline-block;
    padding: 5px 16px;
    border-radius: 4px;
    font-size: 14px;
    border: 1px solid #1a8cff;
}

.tks-list li .tks-rg a:hover {
    background: #1a8cff;
    color: #fff;
}

.tks-list li:after {
    content: "";
    display: block;
    height: 1px;
    width: calc(100% - 50px);
    position: absolute;
    right: 0;
    bottom: 0;
    background-color: #eee;
}

.tks-list li:hover {
    color: #1a8cff;
}

.ztk-1 .el-pagination {
    text-align: center;
}

.bdcm {
    margin-top: 20px;
}

.bdmap i {
    margin-right: 3px;
}

.lxgl-1 {
    background-color: #fff;
    margin: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 20px 24px 24px;
}

.lxgl-1 .lx-dtl {
    width: 720px;
    display: flex;
    align-items: center;
}

.lxgl-1 .lx-dtl .down-img {
    width: 56px;
    margin-right: 20px;
}

.lxgl-1 .lx-dtl .name {
    font-size: 20px;
    color: #333;
    line-height: 20px;
    line-height: 1.5;
}

.lxgl-1 .lx-dtl .name .k-name {
    font-weight: 700;
}

.lxgl-1 .lx-dtl .name .line {
    display: inline-block;
    width: 2px;
    height: 16px;
    margin: 0 8px;
    vertical-align: middle;
    background: #eee;
}

.lxgl-1 .lx-dtl .name .qie {
    background-color: #1a8cff;
    color: #fff;
    font-size: 14px;
    padding: 4px;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 8px;
}

.select-card {
    background-color: #fff;
    font-size: 16px;
}

.select-card .select-card-body .user-lianxi {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.select-card .title {
    padding: 16px 24px;
    border-bottom: 1px solid #eee;
    font-weight: 700
}

.select-card .select-card-body {
    padding: 16px 24px;
    margin-bottom: 16px
}

.select-card .select-card-body .user-lianxi {
    display: flex;
    justify-content: space-between;
    align-items: center
}

.select-card .select-card-body .user-lianxi .line {
    display: block;
    width: 1px;
    height: 46px;
    background: #eee
}

.select-card .select-card-body .user-lianxi .item {
    width: 373px;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center
}

.select-card .select-card-body .user-lianxi .item:hover {
    background-color: #f7f8fa
}

.select-card .select-card-body .user-lianxi .item .item-detail {
    display: flex;
    justify-content: flex-start;
    align-items: center
}

.select-card .select-card-body .user-lianxi .item .item-detail img {
    width: 40px;
    height: 40px;
    margin-right: 16px
}

.select-card .select-card-body .user-lianxi .item .item-detail .g-t {
    display: block;
    margin-top: 4px;
    font-size: 14px;
    color: #8c8c8c
}

.lianxi-way {
    display: flex;
    flex-wrap: wrap
}

.lianxi-way .item {
    width: 25%;
    padding: 16px 24px;
    display: flex;
    align-content: flex-start;
    align-items: center
}

.lianxi-way .item:hover {
    background-color: #f7f8fa
}

.lianxi-way .item>img {
    width: 40px;
    height: 40px;
    margin-right: 16px
}

.lianxi-way .item .item-detail .g-t {
    margin-top: 6px;
    display: block;
    font-size: 14px;
    color: #8c8c8c
}

.lianxi-way .item .item-detail b {
    font-weight: bold;
}

.lianxi-way .item .item-detail .new {
    font-size: 12px;
    display: inline-block;
    border-radius: 2px;
    background-color: #fa3e3e;
    color: #fff;
    vertical-align: 0.2em;
}


.yulan-box .questions-box {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid #eee;
    align-items: center
}

.yulan-box .questions-box .question {
    padding: 16px 0;
    display: flex;
    flex-shrink: 0
}

.yulan-box .questions-box .question:hover {
    color: #1a8cff;
    cursor: pointer
}

.yulan-box .questions-box .question .q-type {
    background: #198dff;
    border-radius: 2px;
    font-size: 12px;
    color: #fff;
    padding: 2px 4px;
    margin-right: 8px;
    height: -webkit-fit-content;
    height: -moz-fit-content;
    height: fit-content
}

.yulan-box .questions-box .question .question-tit {
    line-height: 1.5;
    width: 850px
}

.yulan-box .el-pagination {
    margin: 50px 0;
    text-align: center;
}

.mf20 {
    margin: 0 5px;
}

.uf-head {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    vertical-align: sub;
    margin-right: 4px;
}

.user-tiku {
    color: #1a8cff;
    border: 1px solid #1a8cff;
    padding: 0 12px;
    height: 32px;
    line-height: 30px;
    border-radius: 3px;
    width: 90px;
    font-size: 14px;
    text-align: center;
    display: inline-block;
}

.user-tiku:hover {
    color: #fff;
    background-color: #1a8cff;
    transition: all .2s;
}

.el-popover {
    text-align: center;
}

.layout-left {
    width: 79%;
    float: left;
}

.topic {
    padding: 20px;
    margin-bottom: 10px;
    position: relative;
    background-color: #fff;
    padding-bottom: 20px;
    font-size: 16px;
}

.topic .topic-tit {
    position: relative;
    display: block;
    font-size: 16px;
    font-weight: 400;
    color: #333;
    padding-right: 20px;
    margin-bottom: 24px;
}

.mt20 {
    margin-bottom: 20px;
}

.topic .qusetion-box {
    margin-bottom: 8px;
}

.topic .qusetion-box .theme-color {
    font-size: 14px;
    background-color: #1a8cff;
    color: #fff !important;
    border-radius: 2px;
    padding: 4px;
}

.topic .select-left {
    width: 90%;
}

.options-w .option {
    margin: 0 0 20px;
    line-height: 25px;
    color: #333;
    cursor: pointer;
}

.options-w .option i {
    font-size: 20px;
    color: #fff;
    vertical-align: -1px;
    margin-right: 5px;
}

.options-w .option i.sue {
    color: #04C25D;
}

.link-www {
    color: #fff;
    line-height: 36px;
    width: 300px;
    text-align: center;
    background-color: #1a8cff;
    display: block;
    margin: 5px auto;
    padding: 2px;
}

.answer .answer-row {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    margin-bottom: 16px;
}

.answer .answer-row .clr-g {
    color: #04C25D;
}

.answer .answer-row b {
    font-weight: bold;
    -webkit-flex-shrink: 0;
    -ms-flex-negative: 0;
    flex-shrink: 0;
}

.copy-t {
    font-size: 14px;
    display: inline-block;
    margin-left: 16px;
    color: #1a8cff;
    cursor: pointer;
    position: relative;
    top: 0.15em;
}

.topic .btn-box {
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.topic .p-right {
    margin-top: 10px;
}

.apply-err {
    color: #999;
    font-size: 14px;
    cursor: pointer;
    margin-top: 12px;
    margin-right: 16px;
}

.apply-err i {
    margin-right: 3px;
}

.recommend-view {
    background-color: #fff;
}

.recommend-view .recommend-tit {
    line-height: 54px;
    font-size: 16px;
    font-weight: 700;
    padding-left: 24px;
    border-bottom: 1px solid #eee;
}

.recommend-view .recommend-paper-view {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    padding: 0 24px 24px;
}

.recommend-view .recommend-paper-view .recommend-paper {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -moz-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    padding: 16px 0 0;
    width: 48%;
    cursor: pointer;
}

.recommend-view .recommend-paper-view .recommend-paper:nth-child(2n-1) {
    margin-right: 24px;
}

.recommend-view .recommend-paper-view .recommend-paper .left img {
    width: 32px;
    height: 32px;
}

.recommend-view .recommend-paper-view .recommend-paper .right {
    width: 390px;
}

.recommend-view .recommend-paper-view .recommend-paper .right .name {
    font-size: 16px;
    margin-bottom: 8px;
}

.recommend-view .recommend-paper-view .recommend-paper .right .bottom-t {
    font-size: 14px;
    color: #999;
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}

.recommend-view .recommend-paper-view .recommend-paper .right .bottom-t>div {
    margin-right: 24px;
}

.left-detail-bottom {
    margin-top: 8px;
    background-color: #fff;
}

.left-detail-bottom .bottom-tit {
    color: #222;
    font-size: 16px;
    line-height: 1.2;
    margin-bottom: 10px;
    border-bottom: 1px solid #eee;
    font-weight: 700;
    line-height: 54px;
    padding-left: 24px;
}

.left-detail-bottom .question {
    padding: 20px 24px;
    border-bottom: 1px dashed #ededed;
    font-size: 16px;
}

.left-detail-bottom .question:first-child {
    padding-top: 0;
}

.left-detail-bottom .question .ques-tit span.theme-color {
    font-size: 14px;
    background-color: #1a8cff;
    color: #fff !important;
    border-radius: 2px;
    padding: 0 4px;
}

.left-detail-bottom .options {
    margin: 12px 0;
}

.left-detail-bottom .options p {
    margin-bottom: 12px;
}

.left-detail-bottom .theme-btn {
    color: #fff;
    line-height: 32px;
    width: 120px;
    text-align: center;
    background-color: #1a8cff;
    display: inline-block;
    border-radius: 4px;
}

.left-detail-bottom .question:last-child {
    border: 0;
}

.layout-right {
    width: 20%;
    float: right;
}

.opc-btn {
    border-radius: 4px;
    border-color: #1a8cff;
    color: #1a8cff;
    background-color: #fff;
}

.prative-page .layout-left {
    width: 907px;
}

.prative-page .topic .topic-tit {
    position: relative;
    font-weight: bold;
    color: #333;
    padding-right: 20px;
    display: flex;
    align-items: center;
}

.prative-page .topic-type {
    font-size: 14px;
    background-color: #1a8cff;
    color: #fff;
    text-align: center;
    padding: 0 4px;
    border-radius: 2px;
    margin-right: 6px;
    font-weight: normal;
}

.prative-page .qusetion-box {
    margin-bottom: 0;
}

.prative-page .topic .options-w {
    margin: 16px 0 24px;
}

.prative-page .options-w .option {
    margin: 20px 0;
    line-height: 26px;
    color: #333;
    cursor: pointer;
    background-repeat: no-repeat;
    background-position: 0;
    background-size: 20px 20px;
}

.prative-page .topic .options-w .option {
    display: inline-block;
    align-items: center;
}

.prative-page .options-w .option .before-icon {
    display: inline-block;
    vertical-align: top;
    line-height: 26px;
    min-width: 28px;
    height: 28px;
    border: 1px solid #ddd;
    text-align: center;
    border-radius: 50%;
    font-size: 14px;
    margin-right: 12px;
}
.prative-page .options-w .option:hover .before-icon{
    color: #fff;
    border-color: #1b82d6;
    background-color: #1b82d6;
}
.prative-page .options-w .option:hover .words{
    color: #1b82d6;
}

.prative-page .options-w .option.err .before-icon {
    color: #fff;
    border-color: #ff664b;
    background-color: #ff664b;
}

.prative-page .options-w .option.right .before-icon {
    color: #fff;
    border-color: #3cbb74;
    background-color: #3cbb74;
}

/*多选*/
.prative-page .options-w .option .check-icon {
    display: inline-block;
    vertical-align: top;
    line-height: 26px;
    min-width: 28px;
    height: 28px;
    border: 1px solid #ddd;
    text-align: center;
    font-size: 14px;
    margin-right: 12px;
    
}
.prative-page .options-w .option:hover .check-icon{
    color: #fff;
    border-color: #1b82d6;
    background-color: #1b82d6;
}
.prative-page .options-w .option:hover .words{
    color: #1b82d6;
}

.prative-page .options-w .option.now .check-icon {
    color: #fff;
    border-color: #1b82d6;
    background-color: #1b82d6;
}

.prative-page .options-w .option.err .check-icon {
    color: #fff;
    border-color: #ff664b;
    background-color: #ff664b;
}

.prative-page .options-w .option.right .check-icon {
    color: #fff;
    border-color: #3cbb74;
    background-color: #3cbb74;
}

/*多选*/


.prative-page .next-preve {
    margin-top: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.prative-page .collec {
    font-size: 12px;
    cursor: pointer;
    color: #606266;
    margin-left: 12px;
}

.prative-page .collec i {
    color: #cbcbcb;
}

.prative-page .answer-box {
    margin-top: 20px;
    padding: 0;
    position: relative;
    background: #f7f8fa;
    border-radius: 0 0 4px 4px;
    font-size: 16px;
}

.prative-page .answer-box .ans-top {
    font-size: 16px;
    display: flex;
    justify-content: space-between;
    background: #edf0f5;
    border-radius: 4px 4px 0 0;
    padding: 14px 20px;
}

.prative-page .answer-box .ans-top .right-ans {
    float: left;
    margin-right: 50px;
}

.prative-page .answer-box .ans-top .right-ans b {
    font-weight: bold;
}

.prative-page .answer-box .ans-top .right-ans span {
    color: #3cbb74;
}

.prative-page .answer-box .ans-top .user-ans {
    float: left;
    color: #3cbb74;
}

.prative-page .answer-box .ans-top .user-ans.user-ans-1 b {
    color: #3cbb74;
    font-weight: bold;
}

.prative-page .answer-box .ans-top .user-ans.user-ans-1 b span {
    color: #3cbb74;
}

.prative-page .answer-box .ans-top .user-ans.user-ans-1 img {
    vertical-align: -0.15em;
    width: 16px;
    margin-left: 15px;
}

.prative-page .answer-box .ans-top .user-ans1 {
    float: left;
    color: #ff664b;
}

.prative-page .answer-box .ans-top .user-ans1.user-ans-1 b {
    color: #ff664b;
    font-weight: bold;
}

.prative-page .answer-box .ans-top .user-ans1.user-ans-1 b span {
    color: #ff664b;
}

.prative-page .answer-box .ans-top .user-ans1.user-ans-1 img {
    vertical-align: -0.15em;
    width: 16px;
    margin-left: 15px;
}

.prative-page .answer-box .apply-err,
.prative-page .answer .apply-err {
    position: absolute;
    top: 10px;
    right: 16px;
    font-size: 12px;
    cursor: pointer;
}

.prative-page .answer-box .answer-box-detail {
    padding: 16px 16px 16px 36px;
}

.mb16 {
    margin-bottom: 16px;
}

.prative-page .answer-box .answer-box-detail b {
    display: block;
    margin-bottom: 8px;
    position: relative;
    font-weight: bold;
}

.prative-page .answer-box .answer-box-detail b:before {
    content: "";
    position: absolute;
    top: 8px;
    left: -16px;
    display: block;
    width: 4px;
    height: 4px;
    border-radius: 4px;
    background-color: #1a8cff;
}

.prative-page .answer-box .hide-height {
    display: flex;
    align-items: center;
}

.prative-page .answer-box .hide-height .answer-analysis {
    margin-right: 8px;
    width: 20em;
    -webkit-line-clamp: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.prative-page .answer-box .answer-analysis {
    margin-top: 6px;
    line-height: 26px;
    color: #333;
}

.prative-page .answer-box .jx-luanxu {
    margin-top: 8px;
    font-size: 14px;
    color: rgb(153, 153, 153);
}

.mb20 {
    margin-bottom: 20px;
}

.mt8 {
    margin-top: 8px;
}

.mb8 {
    margin-bottom: 8px;
}

.biji-box {
    margin: 20px 0;
    padding: 20px;
    background: #f7f8fa;
    border-radius: 4px;
}

.biji-box textarea {
    background-color: transparent;
}

.biji-inp textarea {
    margin-bottom: 15px;
    border: none;
    resize: none;
    padding: 0;
}

.lianxi-left .topic {
    padding: 0;
}

.lxbg {
    padding: 20px;
    background: rgb(255, 255, 255);
    min-height: 611px;
}

.biji-box .save-biji {
    float: right;
    width: 74px;
}

.prative-page .lianxi-right {
    margin-bottom: 50px;
    font-size: 14px;
    width: 283px;
}

.prative-page .lianxi-right .lianxi-right-item {
    background-color: #fff;
    margin-bottom: 10px;
}

.prative-page .lianxi-right .lianxi-right-item .lianxi-cart-tit {
    display: flex;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid #eee;
    font-size: 16px;
}

.prative-page .lianxi-right .lianxi-right-item .lianxi-cart-tit b {
    font-weight: bold;
}

.prative-page .lianxi-right .lianxi-right-item .lianxi-cart-tit span {
    font-size: 14px;
    cursor: pointer;
    color: #198dff;
}

.prative-page .lianxi-right .problem-list {
    margin: 0;
    height: 300px;
    border: none;
    padding: 0 16px;
    overflow-y: auto;
}

::-webkit-scrollbar {
    width: 6px;
    background-color: #f5f5f5;
}

::-webkit-scrollbar-thumb {
    border-radius: 4px;
    background-color: rgba(144, 147, 153, .3);
}

::-webkit-scrollbar-track {
    border-radius: 4px;
    background-color: #f5f5f5;
}

.prative-page .lianxi-right .q-tit {
    padding-top: 10px;
    font-size: 14px;
    font-weight: 700;
    padding-bottom: 10px;
    clear: both;
}

.prative-page .problem-list>span {
    display: block;
    float: left;
    cursor: pointer;
    width: 5%;
    height: 41px;
    text-align: center;
    border-right: 1px solid #e9e9e9;
    border-bottom: 1px solid #e9e9e9;
    overflow: hidden;
    line-height: 41px;
}

.prative-page .lianxi-right .problem-list>span {
    width: 19.1%;
    height: 36px;
    line-height: 36px;
    border-radius: 4px;
    margin: 1px;
    border: 1px solid #eee;
}

.prative-page .problem-list>span.active {
    background-color: #1a8cff;
    color: #fff;
}
.prative-page .problem-list>span.none {
    background-color: none;
    color: #333;
}

.problem-list>span.err {
    background-color: #ff664b !important;
    color: #fff;
}

.prative-page .problem-list>span.right {
    background-color: #3cbb74 !important;
    color: #fff;
}

.prative-page .lianxi-right .practice-ctrl {
    padding: 12px 14px;
}

.prative-page .tool-bar {
    font-size: 14px;
    line-height: 1.7;
}

.prative-page .lianxi-right .tool-bar>span {
    display: inline-block;
    width: 48%;
    text-align: left;
    margin-right: 0;
}

.prative-page .tool-bar>span.num-right span {
    color: #3cbb74;
}

.prative-page .tool-bar>span.num-err span {
    color: #ff664b;
}

.corrent-center {
    padding: 20px;
    background-color: #fff;
    width: 965px;
    margin-right: 14px;
    min-height: 500px;
}

.corrent-center .paper-name {
    text-align: center;
    font-size: 24px;
    margin-bottom: 14px;
}

.corrent-center .qtype-item {
    margin-bottom: 24px;
}

.corrent-center .corrent-item {
    border: 1px solid #ddd;
    padding: 0;
    margin-bottom: 20px;
    cursor: pointer;
}

.corrent-center .corrent-item .qtitle {
    font-size: 16px;
    padding: 14px 14px 0;
}

.corrent-center .corrent-item .options {
    padding: 14px;
    font-size: 16px;
}

.corrent-center .corrent-item .options .row {
    margin-bottom: 20px;
    padding-left: 0px;
    background-image: none;
    background-size: 20px 20px;
    background-position: 0;
    background-repeat: no-repeat;
}

.corrent-center .corrent-item .ans-box {
    padding: 14px;
    font-size: 16px;
}

.corrent-center .corrent-item .ans-box .ans-item {
    margin-bottom: 20px;
}

.corrent-center .corrent-item .ans-box .ans-item .ans-lable {
    float: left;
}

.corrent-center .corrent-item .ans-box .ans-item .ans-detail {
    padding-left: 80px;
}

.corrent-center .corrent-item .ans-box .ans-item:last-child {
    margin-bottom: 0;
}

.chapter-box {
    padding: 20px;
    background-color: #fff;
    font-size: 16px;
}

.chapter-box .list-box {
    border: 1px solid #ddd;
}

.chapter-box .chapter-list {
    padding: 20px;
    border-bottom: 1px dashed #ddd;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chapter-box .chapter-list .left {
    width: 86%;
    line-height: 43px;
    display: flex;
    align-items: center;
}

.chapter-box .chapter-list .right a {
    margin: 0 0 0 16px;
    cursor: pointer;
    background-color: #1a8cff;
    color: #fff !important;
    display: inline-block;
    padding: 10px 20px;
}

.ell {
    -webkit-line-clamp: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chapter-box .chapter-list .left .chapter {
    display: inline-block;
    vertical-align: -8px;
    padding: 4px 0;
}

.chapter-box .chapter-list .left .chapter+span {
    font-size: 14px;
    color: #999;
}

.chapter-box .chapter-list:last-child {
    border-bottom: none;
}

.smart .box-card {
    padding: 20px;
    background-color: #fff;
}

.smart .el-form-item {
    margin-right: 15px;
}

.el-form-item {
    margin-bottom: 22px;
}

.el-form-item:after,
.el-form-item:before {
    display: table;
    content: "";
}

.smart .title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 10px;
    float: left;
}

.red {
    color: #ff4c2d !important;
}

.custom-table {
    width: 100%;
    font-size: 14px;
    padding: 5px 40px;
    border: 1px solid #ddd;
}

.custom-table td,
.custom-table th {
    padding: 16px 0;
    min-width: 0;
    box-sizing: border-box;
    text-overflow: ellipsis;
    vertical-align: middle;
    position: relative;
    text-align: center;
}

.theme-color {
    color: #198dff !important;
}

.custom-table tbody tr:last-child td,
.custom-table tbody tr:last-child th {
    border-top: 1px solid #ddd;
}

.custom-table td,
.custom-table th {
    padding: 16px 0;
    min-width: 0;
    box-sizing: border-box;
    text-overflow: ellipsis;
    vertical-align: middle;
    position: relative;
    text-align: center;
}

.volume-btn {
    text-align: center;
    margin-top: 20px;
}

.exam-box .prative-box {
    background-color: transparent;
    padding: 0;
}

.left-main {
    width: 900px;
    background-color: #fff;
    float: left;
}

.left-main .paper-top {
    padding: 20px 20px 10px;
    text-align: center;
    border-bottom: 1px solid #ddd;
}

.left-main .paper-top h1 {
    font-size: 20px;
    margin-bottom: 14px;
    font-weight: bold;
}

.left-main .paper-top p {
    font-size: 14px;
    color: #666;
}

.left-main .paper-top p span {
    margin-right: 30px;
}

.left-main .paper-top p span:last-child {
    margin-right: 0;
}

.left-main .paper-main {
    padding: 20px 40px;
}

.mb15 {
    margin-bottom: 15px;
}

.paper-sl {
    color: rgb(153, 153, 153);
    font-size: 14px;
}

.prative-page .topic .qusetion-box {
    font-weight: 700;
    line-height: 1.5em;
    white-space: pre-wrap;
}

.prative-page .topic .qusetion-box .gay {
    font-size: 14px;
    color: #999;
    font-weight: normal;
}

.exam-box .topic .topic-tit {
    align-items: flex-start;
}

.exam-box .topic-type {
    width: 80px;
    line-height: 22px;
}

.prative-page .topic .options-w {
    margin: 16px 0 24px;
}

.prative-page .topic .select-left {
    width: 90%;
}

.paper-bt {
    font-size: 16px;
}

.exam-box .collec i {
    margin-right: 3px;
}

.last {
    float: right;
    width: 290px;
}

.last .top-time {
    padding: 12px 20px 4px;
    text-align: center;
    background-color: #fff;
}

.last .top-time .time {
    font-size: 30px;
    color: #666;
}

.last .top-time .time i {
    margin-right: 5px;
}

.last .card {
    margin-top: 10px;
    background-color: #fff;
    padding: 14px;
}

.last .card .qtype-box {
    max-height: 350px;
    overflow: auto;
}

.last .qtype-list {
    margin-bottom: 12px;
}

.last .card .tit {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
}

.last .qtype-list.model0 span.active {
    background-color: #ddd;
    color: #333;
}

.last .qtype-list .span-box span:nth-child(5n+1) {
    border-left: 1px solid #ddd;
}

.last .qtype-list .span-box span:first-child,
.last .qtype-list .span-box span:nth-child(2),
.last .qtype-list .span-box span:nth-child(3),
.last .qtype-list .span-box span:nth-child(4),
.last .qtype-list .span-box span:nth-child(5) {
    border-top: 1px solid #ddd;
}

.last .qtype-list span {
    display: inline-block;
    width: 20%;
    height: 40px;
    text-align: center;
    line-height: 40px;
    border-right: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
    cursor: pointer;
}

.last .card .submit-btn {
    margin-top: 16px;
    display: block;
    border: 1px solid #1a8cff;
    line-height: 40px;
    text-align: center;
    color: #1a8cff;
    font-size: 14px;
    cursor: pointer;
    background-color: #1a8cff;
    color: #fff;
    border-radius: 4px;
}
.about-top {
    height: 200px;
    min-width: 1200px;
    background-image: url(../images/7e98af2.png);
    background-position: 0 -1px;
    padding-top: 50px;
    position: relative;
}
.about-top .about-title {
    font-size: 36px;
    line-height: 48px;
    color: #fff;
    text-align: center;
}
.about-top .about-nav {
    width: 900px;
    line-height: 59px;
    margin: 41px auto 0;
}
.about-top .bj-nav {
    background-color: rgba(0, 0, 0, .1);
}
.about-top .about-nav>div.active, .about-top .about-nav>div:hover {
    background-color: #157df1;
}
.about-top .about-nav>div {
    width: 300px;
    float: left;
    font-size: 20px;
    text-align: center;
}
.about-top .about-nav>div a {
    display: block;
    color: #fff;
}
.jiesao {
    padding: 50px 0;
}
.jiesao p {
    text-align: center;
    line-height: 28px;
    font-size: 16px;
}
.about-tit {
    font-size: 36px;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}
.about-tit:after {
    content: "";
    width: 35px;
    height: 3px;
    display: block;
    margin: 15px auto;
    background-color: #1a8cff;
}
.tese {
    padding: 50px 0 100px;
}
.tese .tese-box>div {
    width: 33.33%;
    float: left;
    text-align: center;
}
.tese .tese-box>div .tese-tit {
    font-size: 24px;
    line-height: 48px;
}
.tese .tese-box>div .tese-bottom {
    font-size: 14px;
    color: #666;
    line-height: 24px;
}