body,
html {
	width: 100%;
}

body {
	position: relative;
}

img {
	border: none;
}

a,

span,
label,
li,
select,
button,
dl,
div,
table {
	-webkit-tap-highlight-color: transparent;
	-webkit-appearance: none;
}

textarea,
button,
input,
select {
	outline: none;
	border: none;
	background: none;
	padding: 0;
	margin: 0;
}




/*@font-face {*/
/*	font-family: 'systlight';*/
/*	src: url('../font/思源宋体SC-Light.otf') format('opentype');*/
/*	font-weight: normal;*/
/*	font-style: normal;*/
/*}*/

/*@font-face {*/
/*	font-family: 'systHeavy';*/
/*	src: url('../font/思源宋体SC-Heavy.otf') format('opentype');*/
/*	font-weight: normal;*/
/*	font-style: normal;*/
/*}*/

/*@font-face {*/
/*	font-family: 'systMdeium';*/
/*	src: url('../font/思源宋体SC-Medium.otf') format('opentype');*/
/*	font-weight: normal;*/
/*	font-style: normal;*/
/*}*/




/* 登录 */
.logincontent {
	width: 1600px;
	margin: 0 auto;
	padding: 30px 0 40px 0;
}

.logincont_box {
	display: flex;
	gap: 0 60px;
	background: #fff;
	border-radius: 20px;
	padding: 50px;
}

.loglright_box {
	flex: 1;
}

.logmess {
	padding: 80px 100px;
}

.logmess h1 {
	font-family: 'systHeavy';
	font-size: 30px;
}

.logmess_item {
	padding: 80px 0;
}

.logmess_item ul {
	display: flex;
	gap: 20px 0;
	flex-direction: column;
}

.logmess_item ul li {
	display: flex;
	align-items: center;
	gap: 0 10px;
	background: #eaf0f8;
	padding: 10px 20px;
	border-radius: 10px;
}

.logmess_item ul li select {
	background: url(../img/xl_img.png) no-repeat right center;
	text-align: center;
	height: 30px;
	padding-right: 20px;
	font-family: 'systMdeium';
	border-radius: 5px;
}

.logmess_item ul li input {
	flex: 1;
	font-family: 'systMdeium';
	border-radius: 5px;
	font-size: 18px;
}

.logmess_item ul li button {
	height: 30px;
	font-family: 'systMdeium';
	font-size: 18px;
	cursor: pointer;
	color: #0079e2;
}

.tip_box {
	font-family: 'systMdeium';
	font-size: 14px;
	color: #ff0000;
	display: flex;
	align-items: center;
	gap: 0 4px;
}

.tip_box img {
	margin-top: 0.1rem;
}

.btn_box {
	display: flex;
	justify-content: center;
}

.btn_box button {
	flex: 1;
	height: 50px;
	font-family: 'systHeavy';
	font-size: 20px;
	cursor: pointer;
	border-radius: 10px;
	background: #3388ff;
	color: #fff;
}

.agre_box {
	display: flex;
	padding-top: 20px;
	gap: 0 5px;
}

.agre_box p {
	font-family: 'systMdeium';
	font-size: 14px;
}

.agre_box p a {
	color: #0079e2;
}







.header {
	box-shadow: 0 0 10px rgba(0, 121, 226, 0.1);
}

.header_box {
	width: 1200px;
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 20px 0;
}

.logo_box {
	display: flex;
	align-items: center;
	gap: 0 10px;
}

.logo_box h2 {
	font-family: 'systHeavy';
	font-size: 18px;
}

.retu_box {
	display: flex;
	align-items: center;
	gap: 0 10px;
}

.loadbox {
	position: relative;
}

.loadtext {
	display: flex;
	align-items: center;
	gap: 0 5px;
	cursor: pointer;
}

.loadtext p {
	font-family: 'systHeavy';
	font-size: 12px;
	color: #b2b2b2;
}

.loadbox:hover .upload_pst {
	display: block;
}

.upload_pst {
	position: absolute;
	top: 25px;
	left: -35px;
	z-index: 5;
	width: 160px;
	height: 190px;
	background: url(../img/upload_bg.png) no-repeat left top;
	display: none;
}

.upload_item {
	display: flex;
	padding-top: 30px;
	align-items: center;
	gap: 5px 0;
	flex-direction: column;
	justify-content: center;

}

.upload_item img {
	width: 90px;
	height: 90px;
}

.upload_item p {
	font-family: 'systHeavy';
	font-size: 12px;
	color: #333;
}

.user_box {
    display: flex;
    align-items: center;
    gap: 0 10px;
    border-left: 2px solid #d9d9d9;
    padding-left: 10px;
}

.user_box p {
    font-family: 'systHeavy', '思源宋体', 'Source Han Serif', serif;
    font-size: 12px;
    color: #b2b2b2;
}



/* 首页 */
.content {
	width: 1200px;
	margin: 0 auto;
	display: flex;
	gap: 0 20px;
	padding: 30px 0;
	justify-content: space-between;
}

.left_cont {
	width: 180px;
	border-radius: 10px;
	box-shadow: 0 4px 15px rgba(0, 121, 226, 0.1);
}

.userhead {
	display: flex;
	align-items: center;
	flex-direction: column;
	justify-content: center;
	padding: 80px 0 20px 0;
	gap: 15px 0;
}

.userhead img {
	width: 60px;
	border-radius: 50%;
}

.userhead h2 {
	font-family: 'systHeavy';
	font-size: 14px;
}

.leftlist {
	padding: 40px 0 20px 0;
}

.leftlist ul {
	display: flex;
	gap: 20px 0;
	flex-direction: column;
}

.leftlist ul li {
	display: flex;
	align-items: center;
	gap: 0 10px;
	padding: 0 10px;
}

.leftlist ul li.menuActive {
	border-left: 4px solid #0079e2;
}

.leftlist ul li a {
	font-family: 'systHeavy';
	font-size: 18px;
	color: #999;
	display: flex;
	gap: 0 10px;
	flex: 1;
	align-items: center;
	padding: 10px;

	border-radius: 10px;
}

.leftlist ul li a i {
	width: 26px;
	height: 26px;
	display: block;
}

.leftlist ul li a i.icon1 {
	background: url(../img/icon1.png) no-repeat center center;
}

.leftlist ul li a i.icon2 {
	background: url(../img/icon2.png) no-repeat center center;
}

.leftlist ul li a i.icon3 {
	background: url(../img/icon3.png) no-repeat center center;
}

.leftlist ul li.menuActive a {
	background: #0079e2;
	color: #fff;
	box-shadow: 0 4px 10px rgba(0, 121, 226, 0.5);
}

.leftlist ul li.menuActive a i.icon1 {
	background: url(../img/icon1act.png) no-repeat center center;
}

.leftlist ul li.menuActive a i.icon2 {
	background: url(../img/icon2act.png) no-repeat center center;
}

.leftlist ul li.menuActive a i.icon3 {
	background: url(../img/icon3act.png) no-repeat center center;
}


.right_cont {
	flex: 1;
	background: #f7fbff;
	border-radius: 10px;
}

.cont_box {
	padding: 20px;
}

.tit_box {
	font-size: 20px;
	color: #333;
	font-weight: bold;
	font-family: 'systHeavy';
}

.cont_item {
	padding: 30px 0;
}

.cont_item ul {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 20px;
}

.cont_item ul li {
	display: flex;
	gap: 0 10px;
	background: #fff;
	border-radius: 10px;
	padding: 20px;
}

.study_empty{
	margin: 40px auto;
	max-width: 600px;
	height: 180px;
	background: #fff;
	border-radius: 16px;
	box-shadow: 0 4px 15px rgba(0, 121, 226, 0.10);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 22px;
	color: #b2b2b2;
	font-family: systHeavy, '思源宋体', 'Source Han Serif', serif;
	letter-spacing: 2px;
}


.course_box {
	flex: 1;
}


.course_box h1 {
	font-size: 14px;
	color: #333;
	margin-bottom: 10px;
	font-family: 'systHeavy';
}

.course_box span {
	font-size: 12px;
	color: #0079e2;
	font-family: 'systHeavy';
}

.course_box p {
	font-size: 12px;
	margin-top: 4px;
	color: #666666;
	font-family: 'systHeavy';
}

.course_box label {
	margin-top: 15px;
	display: block;
	font-size: 12px;
	color: #b2b2b2;
	font-weight: bold;
	font-family: 'systLight';
}

.course_box label b {
	margin-right: 10px;
}

.crad_box {
	display: flex;
	align-items: flex-end;
	flex-direction: column;
}

.crad_box img {
	border-radius: 10px;
	display: block;
	width: 80px;
	height: 60px;
}

.tag_box {
	font-size: 12px;
	font-family: 'systHeavy';
	border-radius: 4px;
	padding: 0 5px;
	display: table;
	margin: 10px 0;
}

.zyk_tag {
	border: 1px solid #009900;
	color: #009900;
}

.gk_tag {
	border: 1px solid #0079e2;
	color: #0079e2;
}

.jp_tag {
	border: 1px solid #e57100;
	color: #e57100;
}

.couser_text {
	font-size: 14px;
	font-family: 'systHeavy';
}

.xxz_text {
	color: #0079e2;
}

.ysq_text {
	color: #333;
}

.xxwb_text {
	color: #e50000;
}

.page_box {
	display: flex;
	align-items: center;
	gap: 0 10px;
	justify-content: center;
	cursor: pointer;
}

.page_item {
	font-size: 14px;
	background: #fff;
	color: #0079e2;
	width: 24px;
	text-align: center;
	border-radius: 4px;
	height: 24px;
	line-height: 24px;
	font-family: 'systHeavy';
}

.page_act {
	background: #0079e2;
	color: #fff;
}

.page_prev {
	font-size: 14px;
	color: #333;
	height: 24px;
	padding: 0 10px;
	line-height: 24px;
	background: #fff;
	font-family: 'systHeavy';
}

.page_next {
	font-size: 14px;
	background: #fff;
	height: 24px;
	padding: 0 10px;
	line-height: 24px;
	color: #333;
	font-family: 'systHeavy';
}

.on_page {
	font-size: 14px;
	color: #999;
	font-family: 'systHeavy';
}




/* 视频 */
.videoallbox{
	width: 1200px;
	margin: 8px auto;
	border-radius: 10px;
	background:url(/img/vidbg.png) no-repeat center -120px #fff;
}
.vidcontent {
	display: flex;
	background: #f7fbff;
	box-shadow: 0 4px 15px rgba(0, 121, 226, 0.1);
}
.retu_box2{
	padding: 20px;
}
.retu_box2 button{
	color: #0079e2;
	font-size: 14px;
	cursor: pointer;
}
.retu_box2 button img{
	vertical-align: middle;
	margin-top: -2px;
	margin-right: 5px;
}

.vide_left {
	flex: 1;
	padding: 20px;
}
.tooltip {
	position: absolute;
	right: 0;
	bottom: -75px;
	display: inline-block;
	padding: 10px 15px;
	background-color: #deeefc;
	color: #333;
	font-family: 'systMdeium';
	border-radius: 8px;
	width: 260px;
	font-size: 12px;
}

/* 向上三角形 */
.tooltip::after {
	content: '';
	position: absolute;
	bottom: 100%;
	left: 10%;
	transform: translateX(-50%);
	border-width: 10px;
	border-style: solid;
	border-color: transparent transparent #deeefc transparent;
}

.vid_tit {
	font-size: 20px;
	color: #333;
	font-weight: bold;
	font-family: 'systHeavy';
}

.vide_right {
	width: 300px;
	padding: 20px;
	border-radius: 10px;
	background: linear-gradient(to bottom, #e6f2fc, #fff 30%);
}

.stud_tit {
	font-size: 18px;
	color: #333;
	font-family: 'systHeavy';
}

.stud_nav {
	margin: 20px 0;
}

.stud_nav dl {
	display: flex;
	box-shadow: 0 0 10px rgba(0, 121, 226, 0.1);
	background: #fff;
	border-radius: 30px;
	overflow: hidden;
}

.stud_nav dl dd {
	font-size: 14px;
	flex: 1;
	color: #333;
	font-family: 'systHeavy';
	cursor: pointer;
	border-radius: 30px;
	text-align: center;
	line-height: 30px;
	color: #999;
}

.stud_nav dl dd.actr {
	color: #fff;
	background: #0079e2;
	box-shadow: 0 4px 10px rgba(0, 121, 226, 0.1);
}

.course_all {
	height: calc(100vh - 440px);
	overflow: auto;
}

.course_item3 {
	display: none;
}

.you {
	display: block;
}

.stud_list ul {
	display: flex;
	flex-direction: column;
}

.stud_list ul li {
	display: flex;
	align-items: flex-start;
	cursor: pointer;
	padding: 18px 0;
	gap: 0 10px;
	border-bottom: 1px solid #e5f1fc;
}

.stud_list ul li.cur2 p {
	font-family: 'systHeavy';
	color: #333;
}

.stud_list ul li img {
	margin-top: 3px;
}

.stud_list ul li p {
	font-size: 14px;
	color: #666;
	flex: 1;
	font-family: 'systMdeium';
}

.authoer_js {
	display: flex;
	align-items: center;
	gap: 0 20px;
	margin-bottom: 20px;
}

.authoer_js img {
	width: 100px;

}

.authoer_js p {
	font-size: 14px;
	color: #333;
	font-family: 'systHeavy';
}

.authoer_js p span {
	font-size: 12px;
	margin-top: 8px;
	display: block;
	color: #999;
	font-family: 'systMdeium';
}

.author_cont {

	font-size: 14px;
	color: #333;
	line-height: 28px;
	font-family: 'systMdeium';
}

.vid_btn {
	margin-top: 20px;
	display: flex;
	gap: 0 20px;
}

.vid_btn button {
	font-size: 14px;
	flex: 1;
	color: #fff;
	background: #0079e2;
	cursor: pointer;
	border-radius: 4px;
	padding: 10px 10px;
	border-radius: 18px;
	width: 170px;
	font-family: 'systHeavy';
}

.vid_btn a.btn {
    font-size: 14px;
    flex: 1;
    color: #fff;
    background: #0079e2;
    cursor: pointer;
    border-radius: 4px;
    padding: 10px 10px;
    border-radius: 18px;
    width: 170px;
    font-family: 'systHeavy';
    display: inline-block;
    text-align: center;
    text-decoration: none;
    line-height: normal;
}

/* 弹框 */
.diag_pst {
	position: fixed;
	top: 0;
	left: 0;
	z-index: 9999;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.5);
}

.diag_box {
	display: flex;
	width: 100%;
	height: 100%;
	justify-content: center;
	align-items: center;
}

.diag_item {
	width: 500px;
	background: linear-gradient(to bottom, #e6f2fc, #fff 30%);
	border-radius: 10px;
	padding: 20px;
}

.clo_box img {
	float: right;
	cursor: pointer;
}

.diag_mess {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	padding-top: 10px;
}

.diag_mess h1 {
	font-size: 20px;
	color: #333;
	font-weight: bold;
	font-family: 'systHeavy';
}

.diag_mess_item {
	padding: 40px 80px;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 20px 0;
}

.diag_mess_item img {
	width: 100px;
}

.diag_mess_item p {
	font-size: 14px;
	color: #333;
	font-family: 'systMdeium';
	text-align: center;

}

.diag_mess_item p span {
	color: #0079e2;
}

.diag_mess button {
	font-size: 14px;
	color: #fff;
	background: #0079e2;
	border-radius: 4px;
	padding: 10px 10px;
	border-radius: 18px;
	width: 170px;
	font-family: 'systHeavy';
}



/* 查看讲义 */
.jiangyi_box {
    padding-top: 10px;
	width: 80%;
	margin: auto;
}

.jiangyi_box img {
	width: 100%;
	height: 100%;
}

.num_box {
	margin: 15px 0 ;
	font-size: 14px;
	background: #e7efff;
	border-radius: 10px;
	padding: 15px;
	color: #6c85bc;
}


/* 个人资料 */
.persondata_box {
	margin: 20px 0 0 0;
	font-size: 14px;
	background: #fff;
	border-radius: 14px;
	padding: 20px;
	display: flex;
	gap: 24px 0;
	flex-direction: column;
	/*height: calc(100vh - 390px);*/
}

.form-row {
	display: flex;
	gap: 0 10px;
}

.form-label {
	font-size: 14px;
	color: #333;
	font-family: 'systMdeium';
	width: 130px;
}

.form-label b {
	color: #ff3344;
}

.form-input {
	font-size: 14px;
	color: #333;
	font-family: 'systHeavy';
}







/* 尾部 */
.logfooter {
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
	background: rgba(255, 255, 255, 0.5);
}

.footer {
	background: #f9f9f9;
}

.footer_box {
	width: 1200px;
	margin: 0 auto;
	height: 60px;
	display: flex;
	justify-content: center;
	align-items: center;
}

.footer_box p {
	font-size: 14px;
	color: #333333;
}






/* 2025.10.31新增代码 */
.video_box{
	position: relative;
	margin-top: 20px;
}
.vide_tit{

	display: flex;
	align-items: center;
	gap: 0 10px;
	background: rgba(0, 0, 0, 1);
	width: 100%;
	height: 40px;
}
.vide_tit img{
	width: 10px;
	cursor: pointer;
	margin-left: 20px;
}
.vide_tit p{
	font-size: 18px;
	color: #fff;
	text-align: center;
	flex: 1;
}


.item{
	position:relative;
	padding: 0 100px;
}
.lunbo{
	height:480px;
	width: 960px;
	border-radius: 10px;
	overflow: hidden;
}
.lunbo img{
	display: block;
	height: 480px;
}
/*.left{*/
/*	background:url(../img/left_icon.png) no-repeat center center;*/
/*	width:70px;*/
/*	height:70px;*/
/*	z-index: 2;*/
/*	position:absolute;*/
/*	left:6px;*/
/*	top:43%;*/
/*	cursor: pointer;*/
/*}*/
/*.right{*/
/*	background:url(../img/right_icon.png) no-repeat center center;*/
/*	width:70px;*/
/*	height:74px;*/
/*	z-index: 2;*/
/*	position:absolute;*/
/*	right:6px;*/
/*	top:43%;*/
/*	cursor: pointer;*/
/*}*/