body {
    --weight-bold: 600;
}

.loader {
    width: 6.7px;
    height: 6.7px;
    border-radius: 50%;
    display: inline-block;
    position: relative;
    background: #CAE0FF;
    box-shadow: -12px 0 #CAE0FF, 12px 0 #CAE0FF;
    -webkit-animation: shadowPulse 1.5s linear infinite;
    animation: shadowPulse 1.5s linear infinite;
}

@-webkit-keyframes shadowPulse {
    33% {
        background: #CAE0FF;
        box-shadow: -12px 0 #3A8BFF, 12px 0 #CAE0FF;
    }

    66% {
        background: #3A8BFF;
        box-shadow: -12px 0 #CAE0FF, 12px 0 #CAE0FF;
    }

    100% {
        background: #CAE0FF;
        box-shadow: -12px 0 #CAE0FF, 12px 0 #3A8BFF;
    }
}

@keyframes shadowPulse {
    33% {
        background: #CAE0FF;
        box-shadow: -12px 0 #3A8BFF, 12px 0 #CAE0FF;
    }

    66% {
        background: #3A8BFF;
        box-shadow: -12px 0 #CAE0FF, 12px 0 #CAE0FF;
    }

    100% {
        background: #CAE0FF;
        box-shadow: -12px 0 #CAE0FF, 12px 0 #3A8BFF;
    }
}

@keyframes loading {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes rotate360 {
    0% {
        transform: rotate(0deg);
    }

    50% {
        transform: rotate(180deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

#vue {
    height: 100%;
}

body {
    width: 100%;
    min-width: 1024px;
    height: auto !important;
    height: 100vh;
    min-height: 100vh;
    position: relative;
}

body.index {
    background: url(../../../images/ppt/ai/courseware/index_bg.png) no-repeat center top fixed;
    background-size: cover;
}

body.courseware {
    background: url(../../../images/ppt/ai/courseware/courseware_bg.png) no-repeat center top fixed;
    background-size: cover;
}

body.index .container {
    width: auto;
    height: auto;
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

body.index .container .header {
    display: flex;
    justify-content: center;
    padding-bottom: 26px;
    background: url(../../../images/ppt/ai/courseware/index_img_00.png) no-repeat right 345px bottom 18px;
    background-size: 158px 12px;
}

body.index .container .header>h1 {
    font-size: 40px;
    font-weight: 600;
    background: linear-gradient(270deg, #F99148 0%, #FA4F82 19%, #3311F5 100%);
    -webkit-background-clip: text;
    color: transparent;
    display: inline-block;
}

body.index .container .header>span {
    font-size: 40px;
    font-weight: 600;
    color: #000E1D;
}

body.index .container>p {
    font-size: 16px;
    color: #131B26;
}

body.index .container>ul {
    display: block;
    width: 1000px;
    margin-top: 40px;
    font-size: 0;
}

body.index .container>ul li {
    display: inline-block;
    height: 140px;
    padding: 1px;
    border-radius: 16px;
    font-size: 16px;
    font-weight: 500;
    margin-right: 24px;
}

body.index .container>ul li:last-child {
    margin-right: 0;
}

body.index .container>ul li a {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 14px;
    padding-top: 24px;
    box-sizing: border-box;
}

body.index .container>ul li a img {
    display: block;
    width: 50px;
    height: 50px;
    margin: 0 auto;
}

body.index .container>ul li a span {
    display: block;
    text-align: center;
    margin-top: 14px;
    color: inherit;
}

body.index .container>ul li.s1 {
    background: linear-gradient(180deg, #9472FF 0%, rgba(148, 114, 255, 0) 100%);
}

body.index .container>ul li.s1 a {
    background: linear-gradient(180deg, #E3DAFF 0%, rgba(255, 255, 255, 0.3) 100%);
    color: #7654F3;
}

body.index .container>ul li.s2 {
    background: linear-gradient(180deg, #33CE14 0%, rgba(230, 255, 206, 0) 100%);
}

body.index .container>ul li.s2 a {
    background: linear-gradient(180deg, #E6FFCE 0%, rgba(255, 255, 255, 0.3) 100%);
    color: #039A0D;
}

body.index .container>ul li.s3 {
    background: linear-gradient(180deg, #2663FF 0%, rgba(38, 99, 255, 0) 100%);
}

body.index .container>ul li.s3 a {
    background: linear-gradient(180deg, #DAE9FF 0%, rgba(255, 255, 255, 0.3) 100%);
    color: #0E68CF;
}

body.index .container>ul li.s4 {
    background: linear-gradient(180deg, #FB5B15 0%, rgba(251, 91, 21, 0) 100%);
}

body.index .container>ul li.s4 a {
    background: linear-gradient(180deg, #FFDDCE 0%, rgba(255, 255, 255, 0.3) 100%);
    color: #FB5B15;
}

body.index .container>ul li.s5 {
    background: linear-gradient(180deg, #FFAF11 0%, rgba(255, 175, 17, 0) 100%);
}

body.index .container>ul li.s5 a {
    background: linear-gradient(180deg, #FFEECE 0%, rgba(255, 255, 255, 0.3) 100%);
    color: #F2A90A;
}

.pop,
.hint {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(16, 26, 41, 0.76);
    z-index: 88;
}

.pop_box,
.hint_box {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 89;
    transform: translate(-50%, -50%);
    width: 800px;
    padding: 0 12px;
    box-sizing: border-box;
    border-radius: 16px;
}

.pop_box.bg1 {
    height: auto !important;
    height: 432px;
    min-height: 432px;
    box-shadow: 0px 2px 12px 0px rgba(0, 37, 89, 0.2);
    background: url(../../../images/ppt/ai/courseware/index_layer_11.png) no-repeat center top;
    background-size: 800px auto;
}

.pop_box.bg2 {
    height: auto !important;
    height: 600px;
    min-height: 600px;
    background: url(../../../images/ppt/ai/courseware/index_layer_12.png) no-repeat center;
    background-size: 800px auto;
}

.pop_box.bg3 {
    height: auto !important;
    height: 600px;
    min-height: 600px;
    background: url(../../../images/ppt/ai/courseware/index_layer_13.png) no-repeat center;
    background-size: 800px auto;
}

.pop_box.bg4 {
    height: auto !important;
    height: 546px;
    min-height: 546px;
    background: url(../../../images/ppt/ai/courseware/index_layer_15.png) no-repeat center;
    background-size: 800px auto;
}

.pop_box.bg5 {
    height: auto !important;
    height: 546px;
    min-height: 546px;
    background: url(../../../images/ppt/ai/courseware/index_layer_14.png) no-repeat center;
    background-size: 800px auto;
}

.hint_box {
    width: 500px;
    height: 334px;
    padding: 28px;
    background: url(../../../images/ppt/ai/courseware/index_hint_bg.png) no-repeat center;
    background-size: 500px 334px;
}

.pop_title,
.hint_title {
    width: 100%;
    height: 50px;
    line-height: 50px;
    padding: 0 18px;
    box-sizing: border-box;
    text-align: left;
    position: relative;
}

.hint_title {
    height: 40px;
    line-height: 40px;
}

.pop_title>h3 {
    font-size: 16px;
    font-weight: 600;
    color: #131B26;
}

.pop_title .pop_close,
.hint_title .hint_close {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    background: url(../../../images/ppt/ai/courseware/index_icon_1.png) no-repeat center;
    background-size: 18px 18px;
    cursor: pointer;
}

.hint_title .hint_close {
    right: 180px;
    top: 38px;
    transform: translateY(0);
}

.pop_div {
    width: 100%;
    padding: 24px 18px;
    box-sizing: border-box;
}

.pop_hint {
    display: flex;
    width: 100%;
    height: 82px;
    padding: 16px 30px;
    box-sizing: border-box;
    border-radius: 16px;
}

.pop_box.bg1 .pop_hint {
    background: url(../../../images/ppt/ai/courseware/index_title_1.png) no-repeat center;
    background-size: 740px 82px;
}

.pop_box.bg2 .pop_hint {
    background: url(../../../images/ppt/ai/courseware/index_title_2.png) no-repeat center;
    background-size: 740px 82px;
}

.pop_box.bg3 .pop_hint {
    background: url(../../../images/ppt/ai/courseware/index_title_3.png) no-repeat center;
    background-size: 740px 82px;
}

.pop_box.bg4 .pop_hint {
    background: url(../../../images/ppt/ai/courseware/index_title_5.png) no-repeat center;
    background-size: 740px 82px;
}

.pop_box.bg5 .pop_hint {
    background: url(../../../images/ppt/ai/courseware/index_title_4.png) no-repeat center;
    background-size: 740px 82px;
}

.pop_hint .img {
    width: 50px;
    height: 50px;
    margin-right: 20px;
}

.pop_box.bg1 .pop_hint .img {
    background: url(../../../images/ppt/ai/courseware/index_img_11.png) no-repeat center;
    background-size: 50px 50px;
}

.pop_box.bg2 .pop_hint .img {
    background: url(../../../images/ppt/ai/courseware/index_img_12.png) no-repeat center;
    background-size: 50px 50px;
}

.pop_box.bg3 .pop_hint .img {
    background: url(../../../images/ppt/ai/courseware/index_img_13.png) no-repeat center;
    background-size: 50px 50px;
}

.pop_box.bg4 .pop_hint .img {
    background: url(../../../images/ppt/ai/courseware/index_img_14.png) no-repeat center;
    background-size: 50px 50px;
}

.pop_box.bg5 .pop_hint .img {
    background: url(../../../images/ppt/ai/courseware/index_img_15.png) no-repeat center;
    background-size: 50px 50px;
}

.pop_text {
    text-align: left;
}

.pop_text>h2 {
    font-size: 16px;
    line-height: 28px;
}

.pop_box.bg1 .pop_text>h2 {
    color: #7654F3;
}

.pop_box.bg2 .pop_text>h2 {
    color: #039A0D;
}

.pop_box.bg3 .pop_text>h2 {
    color: #0E68CF;
}

.pop_box.bg4 .pop_text>h2 {
    color: #F65E1C;
}

.pop_box.bg5 .pop_text>h2 {
    color: #F3A803;
}

.pop_text>p {
    font-size: 12px;
}

.pop_box.bg1 .pop_text>p {
    color: #9E8DDA;
}

.pop_box.bg2 .pop_text>p {
    color: #4DA254;
}

.pop_box.bg3 .pop_text>p {
    color: #5886BA;
}

.pop_box.bg4 .pop_text>p {
    color: #F58A5B;
}

.pop_box.bg5 .pop_text>p {
    color: #E1AE3D;
}

.pop_btn,
.hint_btn {
    width: 100%;
    padding: 16px 18px;
    box-sizing: border-box;
    display: flex;
    justify-content: flex-end;
}

.hint_btn {
    padding: 0 42px 29px 42px;
}

.pop_btn>button {
    display: inline-block;
    height: 36px;
    line-height: 36px;
    border: none;
    padding: 0 32px;
    border-radius: 36px;
    margin-left: 30px;
    cursor: pointer;
}

.pop_btn>button.pop_cancel {
    border: 1px solid #8CBBFF;
    color: #3A8BFF;
    background: transparent;
}

.pop_btn>button.pop_confirm {
    border: 1px solid #8CBBFF;
    color: #fff;
    background: linear-gradient(322.22deg, #5A33FF -34.58%, #6CC7FF 132%);
    box-shadow: 0px 2px 9px 0px #67A1FF80;
}

.hint_btn>button.hint_confirm {
    display: block;
    margin: 0 auto 20px auto;
    padding: 0 22px 0 42px;
    box-sizing: border-box;
    border: 0;
    width: 150px;
    height: 54px;
    line-height: 49px;
    background: url(../../../images/ppt/ai/courseware/index_hint_btn.png) no-repeat center;
    background-size: 150px 54px;
    font-size: 14px;
    font-weight: 500;
    color: #ffffff;
    cursor: pointer;
}

.hint_btn>button.hint_confirm:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.found_title,
.found_text,
.found_section,
.found_outline,
.found_document {
    display: none;
}

.pop_content .found_title,
.pop_content .found_text,
.pop_content .found_section,
.pop_content .found_outline,
.pop_content .found_document {
    display: block;
    margin-top: 14px;
    position: relative;
}

.pop_content .simulate {
    width: 100%;
    border: 1px solid #D4D6D9;
    border-radius: 16px;
    padding: 14px 14px 50px;
    box-sizing: border-box;
    font-size: 14px;
    color: #131B26;
}

.pop_content .simulate:hover {
    border: 1px solid #3A8BFF;
}

.pop_content .found_title .simulate {
    height: 168px;
    background: #fff;
}

.pop_content .found_outline .simulate {
    height: 300px;
    background: #fff;
}

.pop_content .found_text .simulate {
    height: 339px;
    background: #fff;
}

.pop_content textarea {
    display: block;
    width: 100%;
    border: 0;
    height: 100%;
}

.pop_content .found_text textarea {
    height: 306px;
}

.pop_content .found_outline textarea {
    height: 270px;
}

.attach_box {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    margin-top: 14px;
    font-size: 0;
    text-align: left;
}

.attach_box .attach_item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: calc(100% / 3 - 9px);
    height: 60px;
    padding: 10px;
    box-sizing: border-box;
    margin: 0 13px 10px 0;
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    position: relative;
    float: left;
}

.attach_box.echo .attach_item {
    background: #F7F8FA;
    cursor: default;
}

.attach_box .attach_item:nth-child(3n) {
    margin-right: 0;
}

.attach_box .attach_item:nth-child(n + 4) {
    margin-bottom: 0;
}

.attach_box.echo .attach_item:nth-child(n + 4) {
    margin-bottom: 14px;
}

.attach_box .attach_item:hover {
    box-shadow: 0px 2px 10px 0px rgba(0, 0, 0, 0.06);
}

.attach_box.echo .attach_item:hover {
    box-shadow: none;
}

.attach_box .attach_item:hover>.attach_close {
    display: block;
}

.attach_box .attach_item>img {
    display: inline-block;
    width: 30px;
    height: 30px;
    margin-right: 10px;
}

.attach_box .attach_item>div {
    display: inline-block;
    width: calc(100% - 40px);
}

.attach_box .attach_item>div p {
    display: block;
    width: 100%;
    line-height: 22px;
    font-size: 14px;
    color: #131B26;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
}

.attach_box .attach_item>div span {
    display: block;
    font-size: 12px;
    color: #8A8B99;
}

.attach_box .attach_item>div span i {
    font-style: normal;
}

.attach_box .attach_item>.attach_close {
    display: none;
    width: 18px;
    height: 18px;
    background: url(../../../images/ppt/ai/courseware/icon-close3.png) no-repeat center center;
    background-size: 100% 100%;
    text-indent: -9999px;
    position: absolute;
    right: -6px;
    top: -4px;
    z-index: 2;
    cursor: pointer;
}

.found_title .dl_document {
    display: inline-block;
    font-size: 14px;
    color: #474C59;
    text-indent: 22px;
    position: absolute;
    left: 20px;
    top: 128px;
    z-index: 2;
    background: url(../../../images/ppt/ai/courseware/download.png) no-repeat left center;
    background-size: 16px 16px;
}

.found_title .dl_document:hover {
    color: #3A8BFF;
    background: url(../../../images/ppt/ai/courseware/download-hover.png) no-repeat left center;
    background-size: 16px 16px;
}

.pop_content .found_section {
    width: 100%;
    height: 338px;
    border-radius: 16px;
    background: #ffffff;
    margin-top: 14px;
    position: relative;
}

.pop_content .found_section .empty {
    display: none;
    width: 260px;
    height: 182px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 89;
}

.pop_content .found_section .empty>img {
    display: block;
    width: 260px;
    height: 150px;
}

.pop_content .found_section .empty>p {
    font-size: 14px;
    color: #8A8B99;
}

.found_section .section_box {
    display: block;
    width: 100%;
    padding: 16px 20px;
    box-sizing: border-box;
}

.found_section .section_box .section_title {
    display: block;
    width: 100%;
    height: 38px;
    line-height: 38px;
    text-align: left;
    position: relative;
}

.found_section .section_box .section_title>span {
    font-size: 14px;
    color: #8A8B99;
}

.found_section .section_box .section_title .form_search {
    display: inline-block;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 89;
}

.found_section .section_box .section_title .form_search input {
    width: 200px;
    height: 36px;
    border: 1px solid #D4D6D9;
    border-radius: 36px;
    padding: 8px 38px 8px 14px;
    box-sizing: border-box;
    font-size: 14px;
    color: #474C59;
}

.found_section .section_box .section_title .form_search .form_search_btn {
    display: block;
    width: 46px;
    height: 36px;
    border: 0;
    position: absolute;
    right: 0;
    top: 50%;
    z-index: 2;
    transform: translateY(-50%);
    background: url(../../../images/ppt/ai/courseware/index_icon_3.png) no-repeat center center;
    background-size: 18px 18px;
    cursor: pointer;
}

.section_list {
    display: block;
    width: 100%;
    height: 275px;
    text-align: left;
    overflow-y: scroll;
}

.section_list ul {
    list-style-type: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.section_list .tree>li {
    height: auto !important;
    height: 44px;
    min-height: 44px;
    line-height: 44px;
    margin: 0;
    font-size: 16px;
    font-weight: 500;
    color: #131B26;
    text-indent: 42px;
    background: url(../../../images/ppt/ai/courseware/index_icon_4.png) no-repeat 20px 16px;
    background-size: 12px 12px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.section_list .tree>li.open {
    background: url(../../../images/ppt/ai/courseware/index_icon_2.png) no-repeat 20px 16px;
    background-size: 12px 12px;
}

.section_list .tree li ul {
    display: none;
    margin-left: 40px;
}

.section_list .tree li.open>ul {
    display: block;
}

.section_list .tree li.open>ul li {
    display: flex;
    align-items: center;
    font-size: 15px;
    color: #474C59;
    text-indent: 0;
    padding: 0 12px;
    box-sizing: border-box;
}

.section_list .tree li>ul li:hover {
    background: #F7F8FA;
    border-radius: 4px;
}

.section_list .tree li>ul li span {
    display: inline-block;
    width: calc(100% - 32px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.section_list .tree .pretty-checkbox {
    display: inline-block;
}

.section_list .tree input[type="checkbox"] {
    display: none;
}

.section_list .tree .checkmark {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 1px solid #C3CCD9;
    background: #fff;
    border-radius: 3px;
    position: relative;
    vertical-align: middle;
    margin: 0 10px;
    cursor: pointer;
}

.section_list .tree input[type="checkbox"]:checked+.checkmark {
    border: 1px solid #3A8BFF;
    background: #3A8BFF;
}

.section_list .tree .checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 5px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.section_list .tree input[type="checkbox"]:checked+.checkmark:after {
    display: block;
}

.radiomark {
    box-shadow: 0 0 0 5px #ffffff, 0 0 0 6px #C3CCD9 !important;
    border-color: #C3CCD9;
}

.pop_content .found_document {
    width: 100%;
    height: 282px;
    border-radius: 16px;
    background: #ffffff url(../../../images/ppt/ai/courseware/index_upload_bg.png) no-repeat center;
    background-size: 680px 222px;
    margin-top: 14px;
    position: relative;
}

.found_document .drop_area {
    display: block;
    width: 100%;
    height: auto;
    text-align: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.found_document .drop_area>img {
    width: 60px;
    height: 60px;
}

.found_document .drop_area>h1 {
    font-size: 16px;
    font-weight: 500;
    color: #131B26;
    margin-top: 10px;
}

.found_document .drop_area>h1 a {
    color: #3A8BFF;
}

.found_document .drop_area>p {
    font-size: 14px;
    color: #8A8B99;
    margin-top: 12px;
}

.found_document .drop_area input[type=file] {
    display: none;
}

.found_document .drop_area .echo,
body.courseware .info_document {
    display: inline-block;
    margin: 12px auto 0 auto;
    width: auto;
    height: 44px;
    line-height: 44px;
    background: #F7F8FA;
    border-radius: 6px;
    padding: 0 10px 0 44px;
    box-sizing: border-box;
    position: relative;
}

.found_document .drop_area .echo img,
body.courseware .info_document img {
    display: block;
    width: 24px;
    height: 24px;
    margin-right: 10px;
    position: absolute;
    top: 50%;
    left: 10px;
    transform: translateY(-50%)
}

.found_document .drop_area .echo span,
body.courseware .info_document span {
    display: inline-block;
    font-size: 14px;
    color: #131B26;
}

.found_document .drop_area .echo i,
body.courseware .info_document i {
    display: inline-block;
    width: 1px;
    height: 16px;
    margin: 0 10px;
    background: #D9D9D9;
}

.found_document .drop_area .echo p,
body.courseware .info_document p {
    display: inline-block;
    font-size: 14px;
    color: #8A8B99
}

.hint_content {
    display: block;
    width: 100%;
    padding: 0 12px;
    box-sizing: border-box;
}

.hint_content>h1 {
    line-height: 28px;
    font-size: 20px;
    font-weight: 600;
    color: #131B26;
    margin-bottom: 16px;
}

.hint_content>p {
    font-size: 14px;
    color: #474C59;
    margin-bottom: 16px;
}

.hint_content>p i {
    font-style: normal;
    color: #F28C24
}

.hint_content>div {
    display: block;
    margin: 20px auto 24px auto;
    width: 320px;
    height: 60px;
    line-height: 60px;
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0px 4px 30px 0px #0050720F;
}

.hint_content>div span {
    font-size: 14px;
    font-weight: 500;
    color: #474C59;
}

.hint_content>div span i {
    font-size: 20px;
    font-weight: 700;
    font-style: normal;
    color: #FFBC66
}

body.courseware .header {
    display: flex;
    width: 944px;
    margin: 60px auto 30px auto;
}

body.courseware .header>img {
    width: 30px;
    height: 30px;
}

body.courseware .header>div {
    margin-left: 14px;
    text-align: left;
}

body.courseware .header>div h1 {
    display: inline-block;
    height: 30px;
    line-height: 30px;
    font-size: 20px;
    font-weight: 600;
    background: linear-gradient(91.29deg, #1C9CF9 1.1%, #AA22BA 126.99%);
    -webkit-background-clip: text;
    color: transparent;
}

body.courseware .header>div p {
    margin-top: 8px;
    font-size: 14px;
    color: #131B26;
}

body.courseware .nav {
    display: block;
    width: 916px;
    margin: 0 auto;
    font-size: 0;
}

body.courseware .nav>li {
    display: inline-block;
    height: 84px;
    margin: 0 7.5px;
}

body.courseware .nav>li a {
    display: flex;
    align-items: center;
    padding-left: 16px;
    width: 100%;
    height: 100%;
    color: inherit;
    text-align: left;
    box-sizing: border-box;
    border: 4px solid rgba(255, 255, 255, .9);
    border-radius: 16px;
}

body.courseware .nav>li a img {
    display: inline-block;
    width: 40px;
    height: 40px;
    vertical-align: middle;
}

body.courseware .nav>li a span {
    display: inline-block;
    margin-left: 12px;
    vertical-align: middle;
    font-size: 16px;
    font-weight: 500;
}

body.courseware .nav>li.s1 a {
    background: linear-gradient(180deg, #E3DAFF 0%, rgba(255, 255, 255, 0.3) 100%);
    color: #7654F3;
}

body.courseware .nav>li.s2 a {
    background: linear-gradient(0deg, rgba(255, 255, 255, 0.3) 0%, #E6FFCE 100%);
    color: #039A0D;
}

body.courseware .nav>li.s3 a {
    background: linear-gradient(180deg, #DAE9FF 0%, rgba(255, 255, 255, 0.3) 100%);
    color: #0E68CF;
}

body.courseware .nav>li.s4 a {
    background: linear-gradient(0deg, rgba(255, 255, 255, 0.3) 0%, #FFDDCE 100%);
    color: #FA7135;
}

body.courseware .nav>li.s5 a {
    background: linear-gradient(180deg, #FFEECE 0%, rgba(255, 255, 255, 0.3) 100%);
    color: #F2A90A;
}

body.courseware .info {
    display: block;
    width: 900px;
    margin: 20px auto;
    padding: 16px 30px;
    box-sizing: border-box;
    background: #ffffff;
    border-radius: 8px;
    text-align: left;
}

body.courseware .info_box {
    display: flex;
    justify-content: flex-start;
    width: 100%;
}

body.courseware .info_box>img {
    display: inline-block;
    width: 24px;
    height: 24px;
    margin-right: 10px;
}

body.courseware .info_box>p {
    display: inline-block;
    line-height: 24px;
    font-size: 14px;
    color: #131B26;
    white-space: pre-wrap;
}

body.courseware .info .info_section {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    width: 100%;
    margin-top: 10px;
    background: #F7F8FA;
    border-radius: 8px;
    padding: 16px;
    box-sizing: border-box;
}

body.courseware .info .info_section>img {
    display: inline-block;
    width: 42px;
    height: 42px;
}

body.courseware .info .info_section>div {
    display: inline-block;
    margin-left: 10px;
}

body.courseware .info .info_section>div span {
    font-size: 14px;
    font-weight: 500;
    color: #131B26;
}

body.courseware .info .info_section>div p {
    font-size: 12px;
    color: #8A8B99;
    margin-top: 4px;
}

body.courseware .loading {
    display: block;
    width: 72px;
    height: 60px;
    line-height: 60px;
    margin-left: calc((100% - 900px) / 2);
    margin-bottom: 30px;
    border-radius: 8px;
    background: #ffffff;
}

body.courseware .info_outline {
    padding-left: 34px;
    margin-top: 6px;
    line-height: 24px;
    font-size: 14px;
    color: #131B26;
    white-space: pre-line;
}

body.courseware .content {
    display: block;
    width: 900px;
    margin: 0 auto 20px auto;
    padding: 30px;
    box-sizing: border-box;
    background: #ffffff;
    border-radius: 8px;
    text-align: left;
}

body.courseware .content>h1,
body.courseware .content .outline-header >h1{
    font-size: 14px;
    font-weight: 500;
    color: #8A8B99;
}

body.courseware .content .content_title {
    display: flex;
    height: 60px;
    align-items: center;
    justify-content: flex-start;
    border: 1px solid #DDDDDD;
    margin: 14px 0;
    border-radius: 8px;
    padding: 11px 30px;
    box-sizing: border-box;
}

body.courseware .content .content_title>label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #8A8B99;
}

body.courseware .content .content_title>img {
    display: block;
    width: 10px;
    height: 10px;
    margin: 0 20px 0 10px;
}

body.courseware .content .content_title>p {
    display: block;
    width: calc(100% - 100px);
    height: 36px;
    line-height: 36px;
    padding: 0 10px;
    box-sizing: border-box;
    border-radius: 4px;
    outline: none;
    font-size: 15px;
    font-weight: 600;
    color: #000000;
}

#show-board {
    display: block;
    width: 100%;
    line-height: 26px;
    font-size: 14px;
    color: #131B26;
    border: 1px solid #DDDDDD;
    border-radius: 8px;
    padding: 24px;
    box-sizing: border-box;
    margin-bottom: 24px;
    outline: none;
}

body.courseware .content .outline_tree {
    display: block;
    width: 100%;
    margin: 14px 0 30px 0;
    border: 1px solid #DDDDDD;
    border-radius: 8px;
    padding: 24px;
    box-sizing: border-box;
}

body.courseware .content .outline_tree>ul {
    counter-reset: section -1;
    background: url(../../../images/ppt/ai/courseware/courseware_icon_14.png) repeat-y 50px 20px;
    background-size: 1px auto;
}

body.courseware .content .outline_tree>ul li {
    position: relative;
}

body.courseware .content .outline_tree>ul>li:first-child {
    background: url(../../../images/ppt/ai/courseware/courseware_icon_17.png) no-repeat 30px top;
    background-size: 30px 14px;
}

body.courseware .content .outline_tree>ul>li:last-child {
    background: url(../../../images/ppt/ai/courseware/courseware_icon_23.png) no-repeat 50px bottom !important;
    background-size: 30px 36px !important;
}

body.courseware .content .outline_tree>ul>li.three:last-child {
    background: #fff url(../../../images/ppt/ai/courseware/courseware_icon_22.png) no-repeat 75px 0 !important;
    background-size: 30px auto !important;
}

body.courseware .content .outline_tree>ul>li.one>span {
    display: block;
    width: 100%;
    height: 38px;
    line-height: 38px;
    text-indent: 82px;
    font-size: 15px;
    font-weight: 600;
    color: #131B26;
    background: url(../../../images/ppt/ai/courseware/courseware_icon_08.png) no-repeat 46px 50%;
    background-size: 10px 10px;
    outline: 0;
    border-radius: 4px;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    position: relative;
    z-index: 87;
}

body.courseware .content .outline_tree>ul>li.one:hover span {
    background: url(../../../images/ppt/ai/courseware/courseware_icon_19.png) no-repeat right center;
    background-size: auto 36px;
}

body.courseware .content .outline_tree>ul>li.one>span::after {
    counter-increment: section;
    content: "目录" counter(section);
    display: block;
    position: absolute;
    left: -82px;
    top: 0;
    font-size: 14px;
    font-weight: 500;
    color: #8A8B99;
}

body.courseware .content .outline_tree>ul>li.one:first-child>span::after {
    content: "目录";
}

body.courseware .content .outline_tree>ul>li.two {
    background: url(../../../images/ppt/ai/courseware/courseware_icon_09.png) no-repeat 50px 14px;
    background-size: 30px 10px;
}

body.courseware .content .outline_tree>ul>li.two span,
body.courseware .content .outline_tree>ul>li.three span,
body.courseware .content .outline_tree>ul>li.two>p,
body.courseware .content .outline_tree>ul>li.three>p {
    display: block;
    width: calc(100% - 124px);
    margin: 0 32px 0 92px;
    height: 36px;
    padding: 8px 10px;
    box-sizing: border-box;
    font-size: 14px;
    font-weight: 400;
    color: #131B26;
    outline: 0;
    border: 1px solid #ffffff;
    border-radius: 4px;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    position: relative;
}

body.courseware .content .outline_tree>ul>li.two>p,
body.courseware .content .outline_tree>ul>li.three>p {
    width: calc(100% - 132px);
    margin: 0 32px 0 100px;
    padding: 0 10px 24px;
    height: auto !important;
    height: 36px;
    min-height: 36px;
    white-space: normal;
    cursor: default;
}

body.courseware .content .outline_tree>ul>li.three>p {
    width: calc(100% - 152px);
    margin: 0 32px 0 120px;
}

body.courseware .content .outline_tree>ul>li.one>span:focus {
    background: url(../../../images/ppt/ai/courseware/courseware_icon_18.png) no-repeat right center;
    background-size: auto 36px;
}

#show-board:focus,
#show-board:focus-visible,
body.courseware .content .outline_tree>ul>li.two span:focus,
body.courseware .content .outline_tree>ul>li.three span:focus,
body.courseware .content .outline_tree>ul>li.two p:focus,
body.courseware .content .outline_tree>ul>li.three p:focus,
body.courseware .content .content_title>p:focus {
    border: 1px solid #3A8BFF;
}

body.courseware .content .outline_tree>ul>li.two:hover span,
body.courseware .content .outline_tree>ul>li.three:hover span,
body.courseware .content .content_title>p:hover {
    background: #F7F8FA;
    border-radius: 4px;
}

body.courseware .content .outline_tree>ul>li.three {
    background: url(../../../images/ppt/ai/courseware/courseware_icon_21.png) no-repeat 75px 0;
    background-size: 30px 36px;
}

body.courseware .content .outline_tree>ul>li.three:last-child {
    background: url(../../../images/ppt/ai/courseware/courseware_icon_15.png) no-repeat 75px 14px;
    background-size: 30px 24px;
}

body.courseware .content .outline_tree>ul>li.two span {
    display: block;
    width: calc(100% - 130px);
    margin-left: 98px;
}

body.courseware .content .outline_tree>ul>li.three span {
    display: block;
    width: calc(100% - 150px);
    margin-left: 118px;
}

body.courseware .edit_btn {
    display: none;
    width: 26px;
    height: 26px;
    border: 1px solid #D4D6D9;
    border-radius: 6px;
    background: url(../../../images/ppt/ai/courseware/courseware_icon_07.png) no-repeat center;
    background-size: 16px 16px;
    position: absolute;
    right: 0;
    top: 5px;
    z-index: 88;
}

body.courseware .edit_btn:hover {
    border: 1px solid #8CBBFF;
    background: url(../../../images/ppt/ai/courseware/courseware_icon_06.png) no-repeat center;
    background-size: 16px 16px;
}

body.courseware .edit_btn .edit_box {
    display: none;
    width: 110px;
    /* height: 144px; */
    height: 76px;
    padding: 4px;
    box-sizing: border-box;
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0px 8px 24px 0px #0000001A;
    position: absolute;
    left: 50%;
    top: 27px;
    z-index: 999;
    transform: translateX(-50%);
}

body.courseware .edit_btn .edit_box dd {
    display: flex;
    align-items: center;
    width: 100%;
    height: 34px;
    line-height: 34px;
    cursor: pointer;
}

body.courseware .edit_btn .edit_box dd:hover {
    border-radius: 4px;
    background: #F0F6FF
}

body.courseware .edit_btn .edit_box dd img {
    display: inline-block;
    width: 16px;
    height: 16px;
    margin: 0 8px;
}

body.courseware .edit_btn .edit_box dd p {
    display: inline-block;
    font-size: 14px;
    color: #131B26;
}

body.courseware .content_btn {
    display: flex;
    width: 100%;
}

body.courseware .content_btn a {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    text-align: center;
}

body.courseware .content_btn a.replace {
    width: 160px;
    height: 36px;
    line-height: 36px;
    margin-right: 14px;
    border-radius: 36px;
    border: 1px solid #8CBBFF;
    color: #3A8BFF;
}

body.courseware .content_btn a.replace>img {
    width: 14px;
    height: 14px;
    margin-right: 4px;
}

body.courseware .content_btn a.select {
    width: 492px;
    height: 38px;
    line-height: 38px;
    border-radius: 38px;
    color: #ffffff;
    background: linear-gradient(303.69deg, #B11EB6 7.87%, #2968F1 59.94%, #12BDFE 108.93%);
    box-shadow: 0px 2px 9px 0px #67A1FF80;
}

#contentArea {
    height: auto;
    transition: height 0.5s;
}

#vue {
    height: 100%;
    min-height: 100vh;
    overflow: hidden;
}

.el-select {
    width: 130px;
    margin-right: 20px;
}

.el-select .el-input__inner {
    height: 28px;
    line-height: 28px;
    border: 1px solid #D4D6D9;
}

.el-message-box {
    width: 440px;
    padding-bottom: 0;
}

.el-message-box .el-input__inner {
    height: 40px;
    line-height: 40px;
    border: 1px solid #D4D6D9;
    border-radius: 8px;
}

.el-message-box .el-message-box__input {
    padding: 0;
}

.el-message-box__header {
    padding: 22px 30px;
    border-bottom: 1px solid #F2F2F2;
}

.el-message-box__content {
    padding: 30px;
}

.el-message-box__btns {
    padding: 17px 30px;
    border-top: 1px solid #F2F2F2;
}

.el-message-box .el-button.el-button--small {
    font-size: 14px;
    color: #3A8BFF;
    padding: 0 32px;
    height: 36px;
    line-height: 36px;
    border-radius: 36px;
    border: 1px solid #8CBBFF;
}

.el-message-box .el-button.el-button--small.el-button--primary {
    color: #fff;
    background: linear-gradient(322.22deg, #5A33FF -34.58%, #6CC7FF 132%);
    box-shadow: 0px 2px 9px 0px #67A1FF80;
}

.el-message-box__btns button:nth-child(2) {
    margin-left: 10px;
}

.el-input__icon {
    line-height: 28px;
}

.el-scrollbar__wrap {
    overflow-x: hidden;
    overflow-y: scroll;
}

.select-footer {
    text-align: center;
    background: #fff url(../../../images/ppt/ai/courseware/courseware_icon_25.png) no-repeat 20px center;
    background-size: 16px 16px;
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 2;
    width: 100%;
}

.select-footer .el-button {
    width: 100%;
    text-align: left;
    padding-left: 42px;
    box-sizing: border-box;
}

.el-message-box {
    border-radius: 16px;
}

.el-radio__inner {
    width: 18px;
    height: 18px;
    border: 1px solid #C3CCD9;
}

.el-radio__inner::after {
    width: 8px;
    height: 8px;
    background: #3A8BFF;
}

.el-radio__input.is-checked .el-radio__inner {
    background: #fff;
    border-color: #3A8BFF;
}

.el-radio__input.is-checked+.el-radio__label {
    color: #474C59;
}

body.courseware .edit-content {
    display: block;
    width: 100%;
    height: auto;
    margin: 16px 0;
}

body.courseware .edit-item {
    display: flex;
    width: 100%;
    height: auto;
    margin-bottom: 20px;
}

body.courseware .edit-item.style2 .el-select {
    width: 110px;
}

body.courseware .edit-item:nth-of-type(1) {
    align-items: center;
}

body.courseware .edit-item>span {
    display: inline-block;
    line-height: 28px;
    font-size: 14px;
    color: #8A8B99;
    margin-right: 8px;
}

body.courseware .edit-item>label {
    flex: 0 0 70px;
    line-height: 28px;
    font-size: 14px;
    color: #8A8B99;
}

body.courseware .edit-item .edit-box {
    display: inline-block;
    width: calc(100% - 4px);
    height: auto;
}

body.courseware .edit-item .edit-box .edit-radio {
    display: block;
    width: 100%;
    line-height: 28px;
    margin-bottom: 14px;
}

body.courseware .edit-item .edit-box .edit-radio-flex {
    display: flex;
    justify-content: space-between;
    width: 100%;
    line-height: 28px;
    margin-bottom: 14px;
}

body.courseware .edit-item .edit-box .edit-radio-flex .radio-item {
    display: inline-block;
    width: 253px;
    height: 78px;
    padding: 16px 20px;
    box-sizing: border-box;
    cursor: pointer;
}

body.courseware .edit-item .edit-box .edit-radio-flex .radio-item:nth-child(1) {
    background: url(../../../images/ppt/ai/courseware/courseware_img_11.png) no-repeat;
    background-size: 100% 100%;
}

body.courseware .edit-item .edit-box .edit-radio-flex .radio-item:nth-child(2) {
    background: url(../../../images/ppt/ai/courseware/courseware_img_12.png) no-repeat;
    background-size: 100% 100%;
}

body.courseware .edit-item .edit-box .edit-radio-flex .radio-item:nth-child(3) {
    background: url(../../../images/ppt/ai/courseware/courseware_img_13.png) no-repeat;
    background-size: 100% 100%;
}

body.courseware .edit-item .edit-box .edit-radio-flex .radio-item .el-radio {
    display: block;
}

body.courseware .edit-item .edit-box .edit-radio-flex .radio-item .el-radio__label {
    font-size: 14px;
    font-weight: 500;
    color: #131B26;
}

body.courseware .edit-item .edit-box .edit-radio-flex .radio-item p {
    font-size: 12px;
    color: #8A8B99;
    text-indent: 28px;
}

body.courseware .edit-item .edit-box .edit-radio:nth-last-of-type(1) {
    margin-bottom: 0;
    position: relative;
}

body.courseware .edit-item .edit-box .edit-radio .tips {
    display: inline-block;
    font-size: 14px;
    padding: 4px 10px;
    margin: 0 5px 10px 0;
    color: #474C59;
    background: #F2F4F7;
    border: 1px solid #F2F4F7;
    border-radius: 4px;
    cursor: pointer;
}

body.courseware .edit-item .edit-box .edit-radio .tips:hover {
    color: #3A8BFF;
    background: #F0F6FF;
    border: 1px solid #8CBBFF;
}

body.courseware .edit-item .edit-box .edit-radio .tips.active {
    color: #3A8BFF;
    background: #DAEAFF url(../../../images/ppt/ai/courseware/courseware_icon_26.png) no-repeat right bottom;
    background-size: 10px 10px;
    border: 1px solid #8CBBFF;
}

body.courseware .edit-item .edit-box .edit-radio .add_btn {
    display: inline-block;
    width: 30px;
    height: 30px;
    background: #F2F4F7 url(../../../images/ppt/ai/courseware/courseware_icon_27.png) no-repeat center center;
    background-size: 14px 14px;
    border-radius: 4px;
}

body.courseware .edit-item .edit-box textarea {
    width: 100%;
    height: 116px;
    border: 1px solid #D4D6D9;
    border-radius: 4px;
    padding: 10px 14px;
    box-sizing: border-box;
    font-size: 14px;
    color: #131B26;
}

body.courseware .edit-item .edit-box textarea:focus {
    border-color: #3A8BFF;
}

body.courseware .edit-item .edit-box .make_plan {
    float: right;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 132px;
    height: 36px;
    line-height: 36px;
    border-radius: 36px;
    padding: 0 14px;
    box-sizing: border-box;
    /*margin-top: 18px;*/
    font-size: 14px;
    color: #fff;
    text-align: center;
    background: linear-gradient(122.14deg, #1E94F8 -3.07%, #2968F1 41.82%, #AA23BA 91.76%);
    box-shadow: 0px 2px 9px 0px #67A1FF80;
}

body.courseware .edit-item .edit-box .make_plan>img {
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-right: 4px;
}

body.courseware .edit-item .el-select .el-input__inner {
    padding-left: 8px;
}

body.courseware .edit-item .edit-box .deeply-box {
    float: right;
    /*margin-right: 20px;*/
    position: relative;
}

body.courseware .edit-item .edit-box .deeply-box .deeply-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 170px;
    height: 36px;
    line-height: 36px;
    padding-right: 18px;
    box-sizing: border-box;
    /*margin-top: 18px;*/
    font-size: 16px;
    color: #474C59;
    text-align: center;
}

body.courseware .edit-item .edit-box .deeply-box .deeply-btn .arrow-down2 {
    width: 12px;
    height: 12px;
    margin-left: 6px;
    transition: transform 0.3s ease;
    /* 添加过渡动画 */
}

body.courseware .edit-item .edit-box .deeply-box .deeply-btn.active .arrow-down2 {
    transform: rotate(180deg);
}

body.courseware .edit-item .edit-box .deeply-box .deeply-btn img {
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-right: 6px;
}

body.courseware .edit-item .edit-box .deeply-box .deeply-content {
    display: none;
    position: absolute;
    left: -16px;
    top: 100%;
    z-index: 99999;
    width: 200px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0px 2px 20px 0px rgba(9, 65, 143, 0.1);
    padding: 6px 0;
}

body.courseware .edit-item .edit-box .deeply-box .deeply-content .deeply-item {
    display: block;
    width: 100%;
    height: 62px;
    padding: 10px 20px;
    box-sizing: border-box;
    background: url(../../../images/ppt/ai/courseware/option_1.png) no-repeat right 20px center;
    background-size: 18px 18px;
    cursor: pointer;
}

body.courseware .edit-item .edit-box .deeply-box .deeply-content .deeply-item.active {
    background: url(../../../images/ppt/ai/courseware/option_2.png) no-repeat right 20px center;
    background-size: 18px 18px;
}

body.courseware .edit-item .edit-box .deeply-box .deeply-content .deeply-item span {
    display: block;
    line-height: 20px;
    font-size: 14px;
    font-weight: 600;
    color: #131B26;
}

body.courseware .edit-item .edit-box .deeply-box .deeply-content .deeply-item p {
    display: block;
    line-height: 20px;
    font-size: 12px;
    color: #8A8B99;
}

body.courseware .edit-item .edit-box .knowledge-box {
    float: right;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 7px;
    margin-right: 20px;
}

body.courseware .edit-item .edit-box .knowledge-box>span {
    font-size: 14px;
    color: #474C59;
    margin-right: 10px;
}

body.courseware .edit-item .edit-box .knowledge-box>i {
    font-size: 16px;
    color: #ACB4BF;
    margin-right: 10px;
}

body.courseware .edit-item .edit-box .knowledge-box>i:hover {
    color: #3A8BFF;
}

body.courseware .edit-item .edit-box .knowledge-box .el-switch__core {
    width: 36px !important;
}

.el-tooltip__popper.is-dark {
    background: rgba(24, 30, 51, 0.8);
}

/*历史记录*/
body.index .latest_record {
    position: absolute;
    bottom: 5%;
    left: 50%;
    transform: translateX(-50%);
    width: 1200px;
}

body.index .latest_record .record_title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

body.index .latest_record .record_title span {
    font-size: 18px;
    font-weight: 700;
    color: #131B26;
}

body.index .latest_record .record_title span img {
    width: 18px;
    height: 18px;
    margin-right: 8px;
}

body.index .latest_record .record_title a {
    font-size: 15px;
    color: #474C59;
    padding-right: 16px;
    background: url(../../../images/ppt/ai/courseware/index_icon_right.png) no-repeat right center;
    background-size: 14px 14px;
}

body.index .latest_record .record_box,
body.index .recent_record .record_box {
    display: flex;
    flex-wrap: wrap;
    justify-content: start;
    align-items: center;
}

body.index .latest_record .record_box .record_item,
body.index .recent_record .record_box .record_item {
    width: calc(100% / 4 - (30px * 3) / 4);
    height: 245px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0px 2px 24px 0px rgba(0, 37, 89, 0.01);
    border-radius: 16px;
    padding: 20px;
    box-sizing: border-box;
    margin-right: 30px;
    text-align: left;
    cursor: pointer;
    transition: transform 0.3s ease;
}

body.index .latest_record .record_box .record_item:nth-of-type(n + 4) {
    margin-right: 0;
}

body.index .latest_record .record_box .record_item:nth-of-type(n + 5) {
    display: none;
}

body.index .recent_record .record_box .record_item {
    width: calc(100% / 3 - (30px * 2) / 3);
    height: 227px;
    margin-right: 20px;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.8);
}

body.index .recent_record .record_box .record_item:last-child {
    margin-right: 0;
}

body.index .latest_record .record_box .record_item:hover,
body.index .recent_record .record_box .record_item:hover {
    transform: translateY(-6px);
    box-shadow: 0px 2px 24px 0px rgba(0, 37, 89, 0.06);
}

body.index .latest_record .record_box .record_item:hover h1,
body.index .recent_record .record_box .record_item:hover h1 {
    color: #3A8BFF;
    background: url(../../../images/ppt/ai/courseware/index_icon_ppt_hover.png) no-repeat left center;
    background-size: 18px 18px;
    text-indent: 24px;
}

body.index .latest_record .record_box .record_item:last-child,
body.index .recent_record .record_box .record_item:last-child {
    margin-right: 0;
}

body.index .latest_record .record_box .record_item h1,
body.index .recent_record .record_box .record_item h1 {
    display: block;
    width: 100%;
    height: 22px;
    background: url(../../../images/ppt/ai/courseware/index_icon_ppt.png) no-repeat left center;
    background-size: 18px 18px;
    text-indent: 24px;
    font-size: 16px;
    font-weight: 900;
    color: #131B26;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

body.index .latest_record .record_box .record_item img,
body.index .recent_record .record_box .record_item img {
    width: 100%;
    height: 134px;
    object-fit: cover;
    border-radius: 12px;
    margin-top: 16px;
}

body.index .recent_record .record_box .record_item img {
    height: 116px;
}

body.index .latest_record .record_box .record_item span,
body.index .recent_record .record_box .record_item span {
    display: block;
    font-size: 16px;
    color: #8A8B99;
    margin-top: 16px;
    padding-left: 26px;
    background: url(../../../images/ppt/ai/courseware/index_icon_time_1.png) no-repeat left center;
    background-size: 16px 16px;
}

body.index .recent_record .record_box .record_item {
    width: calc(100% / 3 - (30px * 2) / 3);
    height: 227px;
    margin-right: 20px;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.8);
}

body.index .recent_record .record_box .record_item:last-child {
    margin-right: 0;
}

body.index .latest_record .record_box .record_item:hover,
body.index .recent_record .record_box .record_item:hover {
    transform: translateY(-6px);
    box-shadow: 0px 2px 24px 0px rgba(0, 37, 89, 0.06);
}

body.index .latest_record .record_box .record_item:hover h1,
body.index .recent_record .record_box .record_item:hover h1 {
    color: #3A8BFF;
    background: url(../../../images/ppt/ai/courseware/index_icon_ppt_hover.png) no-repeat left center;
    background-size: 18px 18px;
    text-indent: 24px;
}

body.index .latest_record .record_box .record_item:last-child,
body.index .recent_record .record_box .record_item:last-child {
    margin-right: 0;
}

body.index .latest_record .record_box .record_item h1,
body.index .recent_record .record_box .record_item h1 {
    display: block;
    width: 100%;
    height: 22px;
    background: url(../../../images/ppt/ai/courseware/index_icon_ppt.png) no-repeat left center;
    background-size: 18px 18px;
    text-indent: 24px;
    font-size: 16px;
    font-weight: 900;
    color: #131B26;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

body.index .latest_record .record_box .record_item img,
body.index .recent_record .record_box .record_item img {
    width: 100%;
    height: 134px;
    object-fit: cover;
    border-radius: 12px;
    margin-top: 16px;
}

body.index .recent_record .record_box .record_item img {
    height: 116px;
}

body.index .latest_record .record_box .record_item span,
body.index .recent_record .record_box .record_item span {
    display: block;
    font-size: 16px;
    color: #8A8B99;
    margin-top: 16px;
    padding-left: 26px;
    background: url(../../../images/ppt/ai/courseware/index_icon_time_1.png) no-repeat left center;
    background-size: 16px 16px;
}

.pop,
.hint {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(16, 26, 41, 0.76);
    z-index: 88;
}

.pop_box,
.hint_box {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 89;
    transform: translate(-50%, -50%);
    width: 800px;
    padding: 0 12px;
    box-sizing: border-box;
    border-radius: 16px;
}


.recent_record {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(16, 26, 41, 0.76);
    z-index: 59;
}

.recent_record_box {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 60;
    transform: translate(-50%, -50%);
    width: 824px;
    padding: 12px;
    box-sizing: border-box;
    border-radius: 16px;
}

.swiper-btn {
    position: absolute;
    right: 0;
    top: -32px;
    z-index: 2;
}

.swiper-btn button {
    display: inline-block;
    margin-left: 10px;
    border: 0;
    cursor: pointer;
    width: 20px;
    height: 20px;
    background: url(../../../images/ppt/ai/courseware/courseware_icon_31.png) no-repeat center;
    background-size: 100% 100%;
}

.swiper-btn button[disabled] {
    pointer-events: none;
    cursor: not-allowed;
    background: url(../../../images/ppt/ai/courseware/courseware_icon_33.png) no-repeat center;
    background-size: 100% 100%;
}

.swiper-btn button:hover {
    background: url(../../../images/ppt/ai/courseware/courseware_icon_32.png) no-repeat center;
    background-size: 100% 100%;
}

.swiper-btn #btnNext {
    transform: rotate(180deg);
}

#swiperTemplate .swiper-slide {
    width: 100px !important;
    height: 120px;
    border: 1px solid #DCDCDC;
    border-radius: 8px;
    position: relative;
    cursor: pointer;
}

#swiperTemplate .swiper-slide>.slide-img {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 8px;
}

#swiperTemplate .swiper-slide>.zoom-in {
    display: none;
    width: 16px;
    height: 16px;
    position: absolute;
    right: 10px;
    bottom: 10px;
    z-index: 2;
    background: url(../../../images/ppt/ai/courseware/courseware_icon_30.png) no-repeat center center;
    background-size: 16px 16px;
}

#swiperTemplate .swiper-slide:hover {
    border: 1px solid #8CBBFF;
}

#swiperTemplate .swiper-slide:hover>.zoom-in {
    display: block;
}

#swiperTemplate .swiper-slide>i {
    display: none;
    width: 18px;
    height: 18px;
    background: url(../../../images/ppt/ai/courseware/courseware_icon_29.png) no-repeat center center;
    background-size: 18px 18px;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 2;
}

#swiperTemplate .swiper-slide.active {
    border: 2px solid #3A8BFF;
}

#swiperTemplate .swiper-slide.active i {
    display: block;
}

.mask {
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(16, 26, 41, 0.76);
    z-index: 10;
}

.choose-text-operate-dialog {
    display: none;
    position: fixed;
    z-index: 50;
    left: 30px;
    top: 200px;
    border: 1px solid rgba(244, 244, 244, 1);
    box-shadow: 0px 2px 12px 0px rgba(0, 37, 89, 0.2);
    padding: 10px 14px 10px 30px;
    border-radius: 4px;
    background-color: #fff;
}

.choose-text-operate-dialog .dialog-ico {
    position: absolute;
    left: 0;
    top: 0;
    width: 24px;
    height: 24px;
    border-radius: 4px;
}

.choose-text-operate-dialog .cto-btns {
    font-size: 0;
}

.choose-text-operate-dialog .cto-btns .cto-btn {
    cursor: pointer;
    margin-right: 20px;
    display: inline-block;
    vertical-align: top;
}

.choose-text-operate-dialog .cto-btns .cto-btn:last-child {
    margin-right: 0;
}

.choose-text-operate-dialog .cto-btns .cto-btn i {
    position: relative;
    top: 2px;
    display: inline-block;
    vertical-align: top;
    width: 16px;
    height: 16px;
}

.choose-text-operate-dialog .cto-btns .cto-btn.cto-btn-color i {
    background: url(../../../images/ppt/ai/courseware/color-text.png) no-repeat center center;
    background-size: contain;
}

.choose-text-operate-dialog .cto-btns .cto-btn.cto-btn-color:hover i {
    background: url(../../../images/ppt/ai/courseware/color-text-hover.png) no-repeat center center;
    background-size: contain;
}

.choose-text-operate-dialog .cto-btns .cto-btn.cto-btn-expand i {
    background: url(../../../images/ppt/ai/courseware/expand-text.png) no-repeat center center;
    background-size: contain;
}

.choose-text-operate-dialog .cto-btns .cto-btn.cto-btn-expand:hover i {
    background: url(../../../images/ppt/ai/courseware/expand-text-hover.png) no-repeat center center;
    background-size: contain;
}

.choose-text-operate-dialog .cto-btns .cto-btn.cto-btn-simplify i {
    background: url(../../../images/ppt/ai/courseware/simplify-text.png) no-repeat center center;
    background-size: contain;
}

.choose-text-operate-dialog .cto-btns .cto-btn.cto-btn-simplify:hover i {
    background: url(../../../images/ppt/ai/courseware/simplify-text-hover.png) no-repeat center center;
    background-size: contain;
}

.choose-text-operate-dialog .cto-btns .cto-btn.cto-btn-translate i {
    background: url(../../../images/ppt/ai/courseware/translate.png) no-repeat center center;
    background-size: contain;
}

.choose-text-operate-dialog .cto-btns .cto-btn.cto-btn-translate:hover i {
    background: url(../../../images/ppt/ai/courseware/translate-hover.png) no-repeat center center;
    background-size: contain;
}

.choose-text-operate-dialog .cto-btns .cto-btn:hover span {
    color: rgba(58, 139, 255, 1);
}

.choose-text-operate-dialog .cto-btns .cto-btn span {
    margin-left: 6px;
    display: inline-block;
    vertical-align: top;
    font-size: 14px;
    line-height: 20px;
    color: rgba(71, 76, 89, 1);
}

.loading-box {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    text-align: center;
}

.loading-box .loading-img {
    width: 60px;
    height: 60px;
}

.loading-box .save-txt {
    margin-top: 20px;
    font-size: 16px;
    line-height: 22px;
    font-weight: 500;
    color: #fff;
}

.loading-box .save-success-txt {
    margin-top: 10px;
    font-size: 12px;
    line-height: 16px;
    color: rgba(255, 255, 255, 1);
}

.loading-box .loading-progress {
    margin: 20px auto 0;
    position: relative;
    width: 160px;
    height: 5px;
    border-radius: 3px;
    background-color: #FFF;
    overflow: hidden;
}

.loading-box .loading-progress .loading-bar {
    position: absolute;
    left: 0;
    top: 0;
    height: 5px;
    background-color: rgba(51, 128, 255, 1);
    border-radius: 3px;
    animation: toRgiht 2500ms linear infinite;
}

.selection-pop {
    position: fixed;
    box-shadow: 0px 2px 24px 0px rgba(0, 37, 89, 0.16);
    background: rgba(255, 255, 255, 1);
    border-radius: 16px;
    width: 480px;
}

.selection-pop .pop-header {
    position: relative;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(242, 242, 242, 1);
    text-align: left;
}

.selection-pop .pop-header .header-title {
    font-size: 16px;
    font-weight: 600;
    line-height: 22px;
    color: rgba(19, 27, 38, 1);
}

.selection-pop .pop-header .header-title img {
    position: relative;
    top: 4px;
    margin-right: 6px;
    width: 20px;
    height: 20px;
}

.selection-pop .header-btns {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.selection-pop .header-btns span {
    margin-left: 14px;
    cursor: pointer;
    display: inline-block;
    vertical-align: top;
    width: 18px;
    height: 18px;
}

.selection-pop .header-btns span.time-btn {
    position: relative;
}

.selection-pop .header-btns span.time-btn:hover p {
    display: block;
}

.selection-pop .header-btns span.time-btn p {
    display: none;
    position: absolute;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 16px;
    font-size: 12px;
    line-height: 16px;
    color: rgba(255, 255, 255, 1);
    border-radius: 4px;
    background: rgba(24, 30, 51, 0.8);
    white-space: nowrap;
}

.selection-pop .header-btns span.time-btn p::before {
    position: absolute;
    top: -3px;
    left: 50%;
    transform: translateX(-50%);
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-bottom: 4px solid rgba(24, 30, 51, 0.8);
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
}

.selection-pop .header-btns span.time-btn {
    background: url(../../../images/ppt/ai/courseware/time.png) no-repeat center center;
    background-size: contain;
}

.selection-pop .header-btns span.time-btn:hover {
    background: url(../../../images/ppt/ai/courseware/time-hover.png) no-repeat center center;
    background-size: contain;
}

.selection-pop .header-btns span.close-btn {
    background: url(../../../images/ppt/ai/courseware/icon-close2.png) no-repeat center center;
    background-size: contain;
}

.selection-pop .pop-content {
    height: 214px;
    padding: 14px 20px;
    overflow-y: auto;
    box-sizing: border-box;
    font-size: 14px;
    line-height: 22px;
    color: rgba(19, 27, 38, 1);
    text-align: left;
}

.selection-pop .pop-footer {
    position: relative;
    border-top: 1px solid rgba(242, 242, 242, 1);
    padding: 16px 20px;
    text-align: right;
    font-size: 0;
}

.selection-pop .create-btn,
.selection-pop .stop-btn {
    margin-left: 20px;
    cursor: pointer;
    display: inline-block;
    vertical-align: top;
    font-size: 14px;
    line-height: 20px;
    color: rgba(71, 76, 89, 1);
}

.selection-pop .create-btn i {
    margin-right: 4px;
    position: relative;
    top: 3px;
    display: inline-block;
    width: 16px;
    height: 16px;
    background: url(../../../images/ppt/ai/courseware/loading-blue.png) no-repeat center center;
    background-size: contain;
    animation: rotate360 1.5s infinite linear
}

.selection-pop .stop-btn i {
    margin-right: 4px;
    position: relative;
    top: 3px;
    display: inline-block;
    width: 16px;
    height: 16px;
    background: url(../../../images/ppt/ai/courseware/record-end.png) no-repeat center center;
    background-size: contain;
}

.selection-pop .pop-footer .total-tips {
    position: absolute;
    left: 20px;
    top: 22px;
    font-size: 14px;
    line-height: 20px;
    color: rgba(138, 139, 153, 1);
}

.selection-pop .copy-btn {
    margin-top: 6px;
    cursor: pointer;
    display: inline-block;
    vertical-align: top;
    font-size: 14px;
    line-height: 20px;
    color: rgba(71, 76, 89, 1);
}

.selection-pop .copy-btn i {
    position: relative;
    top: 1px;
    display: inline-block;
    vertical-align: top;
    margin-right: 6px;
    width: 18px;
    height: 18px;
    background: url(../../../images/ppt/ai/courseware/copy.png) no-repeat center center;
    background-size: contain;
}

.selection-pop .insert-btn {
    margin-left: 20px;
    cursor: pointer;
    display: inline-block;
    vertical-align: top;
    padding: 5px 15px;
    font-size: 14px;
    line-height: 20px;
    color: rgba(58, 139, 255, 1);
    border: 1px solid rgba(140, 187, 255, 1);
    border-radius: 6px;
    box-sizing: border-box;
}

.selection-pop .insert-btn:hover {
    border: 1px solid #8CBBFF;
    background: #E4ECFF;
}

.selection-pop .replace-btn {
    margin-left: 20px;
    cursor: pointer;
    display: inline-block;
    vertical-align: top;
    padding: 6px 16px;
    font-size: 14px;
    line-height: 20px;
    color: #fff;
    background-color: rgba(58, 139, 255, 1);
    border-radius: 6px;
    box-sizing: border-box;
}

.selection-pop .replace-btn:hover {
    opacity: .7;
}

.selection-pop .history-content {
    height: 586px;
    padding: 0;
    box-sizing: border-box;
    background-color: rgba(247, 248, 250, 1);
    border-radius: 0 0 16px 16px;
}

.translate-down-content {
    position: absolute;
    left: 20px;
    top: 16px;
}

.translate-down-content.active .current-label i {
    display: inline-block;
    transform: rotate(180deg);
}

.translate-down-content .current-label {
    cursor: pointer;
    font-size: 14px;
    line-height: 20px;
    color: rgba(71, 76, 89, 1);
}

.translate-down-content .current-label i {
    position: relative;
    top: 4px;
    margin-left: 6px;
    display: inline-block;
    vertical-align: top;
    width: 12px;
    height: 12px;
    background: url(../../../images/ppt/ai/courseware/arrow-down.png) no-repeat center center;
    background-size: contain;
    transition: all ease-in-out 300ms;
}

.translate-down-content .down-select-box {
    display: none;
    padding: 6px 0;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 24px;
    box-shadow: 0px 2px 12px 0px rgba(0, 37, 89, 0.2);
    background-color: #fff;
    width: 105px;
    text-align: center;
    border-radius: 6px;
}

.translate-down-content .down-select-box .down-select-item {
    cursor: pointer;
    padding: 10px 20px;
    font-size: 14px;
    line-height: 20px;
    color: rgba(71, 76, 89, 1);
}

.translate-down-content .down-select-box .down-select-item.active {
    color: rgba(58, 139, 255, 1);
}

.translate-down-content .down-select-box .down-select-item:hover {
    background-color: rgba(240, 246, 255, 1);
}

.history-list {
    padding: 14px 20px;
    height: 586px;
    overflow-y: auto;
    box-sizing: border-box;
}

.history-card {
    margin-bottom: 14px;
    padding: 20px;
    box-shadow: 0px 2px 10px 0px rgba(237, 238, 240, 0.5);
    background-color: #fff;
    border-radius: 8px;
}

.history-card:last-child {
    margin-bottom: 0;
}

.history-card:hover .right-btns {
    display: flex;
}

.history-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.history-card-top .right-btns {
    display: none;
    align-items: center;
    justify-content: center;
}

.history-card-top .right-btns span {
    position: relative;
    cursor: pointer;
    display: inline-block;
    margin-left: 14px;
    width: 16px;
    height: 16px;
}

.history-card-top .right-btns span:hover p {
    display: block;
}

.history-card-top .right-btns span p {
    display: none;
    position: absolute;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 16px;
    font-size: 12px;
    line-height: 16px;
    color: rgba(255, 255, 255, 1);
    border-radius: 4px;
    background: rgba(24, 30, 51, 0.8);
    white-space: nowrap;
}

.history-card-top .right-btns span p::after {
    position: absolute;
    top: -3px;
    left: 50%;
    transform: translateX(-50%);
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-bottom: 4px solid rgba(24, 30, 51, 0.8);
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
}

.history-card-top .right-btns span.copy-history-btn {
    background: url(../../../images/ppt/ai/courseware/copy-gray.png) no-repeat center center;
    background-size: contain;
}

.history-card-top .right-btns span.copy-history-btn:hover {
    background: url(../../../images/ppt/ai/courseware/copy-hover.png) no-repeat center center;
    background-size: contain;
}

.history-card-top .right-btns span.delete-history-btn {
    background: url(../../../images/ppt/ai/courseware/delete.png) no-repeat center center;
    background-size: contain;
}

.history-card-top .right-btns span.delete-history-btn:hover {
    background: url(../../../images/ppt/ai/courseware/delete-hover.png) no-repeat center center;
    background-size: contain;
}

.history-card-time {
    font-size: 14px;
    line-height: 22px;
    color: rgba(71, 76, 89, 1);
}

.history-card-time .tag {
    margin-right: 10px;
    display: inline-block;
    vertical-align: top;
    padding: 0 8px;
    line-height: 22px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 4px;
}

.history-card-time .tag.type1 {
    background-color: rgba(255, 117, 89, 0.12);
    color: rgba(247, 119, 99, 1);
}

.history-card-time .tag.type2 {
    background-color: rgba(78, 193, 255, 0.12);
    color: rgba(78, 193, 255, 1);
}

.history-card-time .tag.type3 {
    background-color: rgba(90, 196, 130, 0.12);
    color: rgba(90, 196, 130, 1);
}

.history-card-time .tag.type4 {
    background-color: rgba(105, 93, 243, 0.12);
    color: rgba(105, 93, 243, 1);
}

.el-select-dropdown {
    text-align: left;
}

.el-popper[x-placement^=bottom] {
    margin-top: 4px;
}

.el-popper .popper__arrow {
    display: none;
}

.el-select-dropdown__item.hover,
.el-select-dropdown__item:hover {
    background: #F0F6FF;
}

.el-select-dropdown__item {
    height: 40px;
    line-height: 40px;
}

.aiGenerateIframe {
    width: 100vw;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 90;
    display: none;
}

.target {
    padding: 0;
    margin: 0;
    width: 100%;
    height: 100vh;
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 91;
}
.hide_val{
    display: none;
}

.custom_buttons {
    position: absolute;
    top: 11px;
    right: 430px;
    padding: 10.5px 17px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    box-shadow: 0 2px 6px 1px #00000014;
    border-radius: 6px;
    -webkit-user-select: none;
    user-select: none;
    transition: all .3s;
    cursor: pointer;
    color: #000;
    outline: none;
    border: none;
    z-index: 95;
}

.transport-div {
    width: 10vw;
    height: 60px;
    background-color: transparent;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 95;
}

.aiDelete {
    width: 28px;
    height: 28px;
    background: url(../../../images/quiz/icon-close.png) no-repeat center/28px;
    position: absolute;
    top: 26px;
    right: 25px;
    cursor: pointer;
    z-index: 95;
}

/*最近生成记录弹窗*/
.recent_record_box {
    width: 840px;
    height: 600px;
    padding: 20px 30px;
    background: #F2F3FF;
    box-shadow: 0px 2px 12px 0px rgba(0, 37, 89, 0.2);
}

.recent_record_box .recent_record_title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 22px;
    line-height: 22px;
}

.recent_record_box .recent_record_title span {
    font-size: 16px;
    font-weight: 600;
    color: #131B26;
}

.recent_record_box .recent_record_title a {
    display: block;
    width: 18px;
    height: 18px;
    background: url(../../../images/ppt/ai/courseware/index_icon_1.png) no-repeat center;
    background-size: 18px 18px;
}

.recent_record_content {
    height: 518px;
    padding: 20px 0;
    overflow-y: auto;
}

.blue {
    color: #3A8BFF;
    cursor: pointer;
}


/* 最近生成记录删除按钮样式 */
.record_item {
    position: relative;
}

.record_item .history-del {
    display: none;
    width: 24px;
    height: 24px;
    border: 1px solid #E1E3E5;
    border-radius: 4px;
    box-shadow: 0px 0px 6px 0px rgba(0, 0, 0, 0.06);
    text-indent: -9999px;
    background: #fff url(../../../images/ppt/ai/courseware/delete.png) no-repeat center center;
    background-size: 16px;
    position: absolute;
    right: 20px;
    top: 18px;
    z-index: 2;
}

.record_item .history-del:hover {
    background: #fff url(../../../images/ppt/ai/courseware/delete-hover.png) no-repeat center center;
    background-size: 16px;
}

/* 隐藏最新记录区域中的删除按钮 */
body.index .latest_record .record_box .record_item .history-del {
    display: none !important;
}

/* 只在弹窗中显示删除按钮 */
body.index .recent_record .record_box .record_item:hover .history-del {
    display: block;
}


.outline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    position: relative;
}

.outline-title {
    font-size: 18px;
    font-weight: 500;
    margin: 0;
}

.export-container {
    position: relative;
}

.export-button {
    background-color: transparent;
    border: none;
    color: #6B89B3;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
}

.export-button .icon {
    margin-right: 4px;
}

.export-button:hover {
    color: #3A8BFF;
}

.export-dropdown {
    display: none;
    position: absolute;
    /*right: 0;*/
    top: 100%;
    /*margin-top: 6px;*/
    background: white;
    border: 1px solid #dcdfe6;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    z-index: 1000;
    min-width: 120px;
    padding: 6px 0;
}

.export-button:hover + .export-dropdown {
    display: block;
}

.export-dropdown:hover {
    display: block;
}

.export-option {
    padding: 10px 14px;
    font-size: 14px;
    color: #474C59;
    cursor: pointer;
    white-space: nowrap;
}

.export-option:hover {
    background-color: #F0F6FF;
}
.download-icon {
    width: 12px;
    height: 12px;
    background: url(../../../images/ppt/ai/courseware/download-new.png) no-repeat left center;
    background-size: 12px;
}

.export-button:hover .download-icon {
    background: url(../../../images/ppt/ai/courseware/download-hover-new.png) no-repeat left center;
    background-size: 12px;
}

/* 章节内容解析中 */
.found_section .mask {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    z-index: 999;
}

.found_section .mask img {
    display: block;
    width: 20px;
    height: 20px;
}

@keyframes rotating {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.rotating {
    animation: rotating 1s linear infinite;
}

.found_section .mask span {
    display: block;
    font-size: 16px;
    color: #494759;
    text-align: center;
}

#tipsExport{
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 18px;
}
#tipsExport .item-hover  {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 定义旋转动画 */
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}
#tipsExport i {
    width: 24px;
    height: 24px;
    background-image: url("../../../images/common/icon-loding.png");
    background-size: contain; /* 等比例缩放图片以适应容器 */
    background-repeat: no-repeat; /* 防止背景图片重复 */
    background-position: center; /* 将图片居中显示 */
    display: inline-block;
    animation: rotate 2s linear infinite;
}
#tipsExport span{
    margin-left: 10px;
}

.maskDiv {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background: rgba(16, 26, 41, 0.76);
    z-index: 100;
    opacity: 1 !important;
    visibility: visible !important;
}