* {
    margin: 0;
    padding: 0;
}

html,
body,
#app,
.wrapper {
    width: 100%;
    height: 100%;
}

body {
    font-family: 'PingFang SC', "Helvetica Neue", Helvetica, "microsoft yahei", arial, STHeiTi, sans-serif;
}

a {
    text-decoration: none;
    cursor: pointer;
}

.clear {
    clear: both;
}
.container{
    width: 1200px;
    margin: 0px auto;
}

/*修改日期：2020-9-23
修改人：陈良爱
修改内容：新增ul,li*/

ul,
li {
    list-style: none;
}
.textCenter{
    text-align: center;
}

header.indexHeader,header.libHeader{
    width: 100%;
    height: 86px;
    background: #2846AD;
}
header .header_container{
    width: 1200px;
    display: flex;
    justify-content:space-between;
    margin: 0px auto;
}
header .header_container .logo{
    margin-top: 12px;
}
header .header_container p{
    margin-right: 434px;
    margin-top: 18px;
}


/* 虚拟仿真中心新的设计 */
.myHeader {
    height: 115px;
}

.myHeader .header_content {
    width: 1320px;
    margin: 0 auto;
}

.myHeader .header_content img {
    display: block;
    margin: auto;
}

.myMain {
    height: 920px;
    padding-top: 10px;
    background-image: url('../images/BG-MOHU.png');
}

.myMain .emtyRow {
    height: 90px;
}

/* 登录页 */
.myMain .main_content {
    width: 1320px;
    height: 620px;
    margin: 0 auto;
    position: relative;
    background-image: url('../images/dengluban.png');
}

.myMain .main_content input {
    width: 333px;
    height: 32px;
    border: none;
    outline: none;
    position: absolute;
    font-size: 16px;
}

.myMain .main_content input#userName {
    left: 858px;
    top: 242px;
}

.myMain .main_content input#userPwd {
    left: 858px;
    top: 334px;
}

.myMain .main_content input#btnLogin {
    width: 400px;
    height: 50px;
    left: 805px;
    top: 423px;
    background-image: url('../images/dengluanniu-1.png');
}

.myMain .main_content input#btnLogin:hover {
    background-image: url('../images/dengluanniu-2.png');
}

/* 首页 */
.myMain .main_content_index {
    width: 1340px;
    height: 750px;
    margin: 0 auto;
    position: relative;
}

.myMain .main_content_index img {
    position: absolute;
}

.myMain .main_content_index img#biaoti {
    left: 940px;
    top: 36px
}

.myMain .main_content_index img#tubiao1 {
    left: 2px;
    top: 320px
}

.myMain .main_content_index img#tubiao2 {
    left: 330px;
    top: 110px
}

.myMain .main_content_index img#tubiao3 {
    left: 700px;
    top: 110px
}

.myMain .main_content_index img#tubiao4 {
    left: 1000px;
    top: 320px
}

.myMain .main_content_index button {
    position: absolute;
    width: 220px;
    height: 40px;
    border: none;
    background-color: #0000;
    cursor: pointer;
}

.myMain .main_content_index button#anniu1 {
    left: 60px;
    top: 648px;
    background-image: url('../images/zhutubiao_btn1.png');
}

.myMain .main_content_index button#anniu1:hover {
    background-image: url('../images/zhutubiao_btn1up.png');
}

.myMain .main_content_index button#anniu2 {
    left: 387px;
    top: 435px;
    background-image: url('../images/zhutubiao_btn2.png');
}

.myMain .main_content_index button#anniu2:hover {
    background-image: url('../images/zhutubiao_btn2up.png');
}

.myMain .main_content_index button#anniu3 {
    left: 768px;
    top: 435px;
    background-image: url('../images/zhutubiao_btn3.png');
}

.myMain .main_content_index button#anniu3:hover {
    background-image: url('../images/zhutubiao_btn3up.png');
}

.myMain .main_content_index button#anniu4 {
    left: 1065px;
    top: 648px;
    background-image: url('../images/zhutubiao_btn4.png');
}

.myMain .main_content_index button#anniu4:hover {
    background-image: url('../images/zhutubiao_btn4up.png');
}

/* 四个模块 */
.myHeader .VR_header_content {
    height: 110px;
    width: 1300px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

.myMain2 {
    height: 920px;
    background-image: url('../images/BG-MOHU.png');
}

.myMain2 .VR_nav {
    background-color: rgba(255, 255, 255, 0.8);
}

.myMain2 .VR_nav .VR_nav_content {
    width: 1300px;
    height: 60px;
    margin: 0 auto;
    padding-left: 70px;
}

.myMain2 .VR_nav .VR_nav_content a{
    line-height: 60px;
    margin-right: 32px;
    color: rgb(175,125,90);
    font-size: 20px;
}

.myMain2 .VR_nav .VR_nav_content a.current{
    color: rgb(142,78,51);
    font-weight: bold;
}

.myMain2 .course_main_content {
    width: 1300px;
    height: 800px;
    margin: 30px auto;
    position: relative;
    background-image: url('../images/BG_lessons.png');
}

.myMain2 .course_main_content a {
    width: 280px;
    height: 40px;
    display: block;
    position: absolute;
    line-height: 40px;
    text-align: center;
    color: white;
    font-size: 18px;
}

.myMain2 .course_main_content a.VR_course_item01{
    left: 506px;
    top: 199px;
    background: url(../images/btn_course.png) no-repeat;
}
.myMain2 .course_main_content a.VR_course_item01:hover{
    background: url(../images/btn_course_up.png) no-repeat;
}

.myMain2 .course_main_content a.VR_course_item02{
    left: 257px;
    top: 271px;
    background: url(../images/btn_course.png) no-repeat;
}
.myMain2 .course_main_content a.VR_course_item02:hover{
    background: url(../images/btn_course_up.png) no-repeat;
}

.myMain2 .course_main_content a.VR_course_item03{
    left: 770px;
    top: 271px;
    background: url(../images/btn_course.png) no-repeat;
}
.myMain2 .course_main_content a.VR_course_item03:hover{
    background: url(../images/btn_course_up.png) no-repeat;
}

.myMain2 .course_main_content a.VR_course_item04{
    left: 944px;
    top: 466px;
    background: url(../images/btn_course.png) no-repeat;
}
.myMain2 .course_main_content a.VR_course_item04:hover{
    background: url(../images/btn_course_up.png) no-repeat;
}

.myMain2 .course_main_content a.VR_course_item05{
    left: 71px;
    top: 466px;
    background: url(../images/btn_course.png) no-repeat;
}
.myMain2 .course_main_content a.VR_course_item05:hover{
    background: url(../images/btn_course_up.png) no-repeat;
}

.myMain2 .course_main_content a.VR_course_item06{
    left: 27px;
    top: 689px;
    background: url(../images/btn_course.png) no-repeat;
}
.myMain2 .course_main_content a.VR_course_item06:hover{
    background: url(../images/btn_course_up.png) no-repeat;
}

.myMain2 .course_main_content a.VR_course_item07{
    left: 996px;
    top: 689px;
    background: url(../images/btn_course.png) no-repeat;
}
.myMain2 .course_main_content a.VR_course_item07:hover{
    background: url(../images/btn_course_up.png) no-repeat;
}

/* 在线实训中心 - 分类 */

.myMain2 .proj_main_content {
    width: 1302px;
    height: 806px;
    margin: 30px auto;
    position: relative;
    background-image: url('../images/BG_projs.png');
}

.myMain2 .proj_main_content a {
    display: block;
    width: 195px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    color: white;
    font-size: 18px;
}

.myMain2 .proj_main_content .flex_row {
    display: flex;
    justify-content: space-between;
}

.myMain2 .proj_main_content #stage_3 {
    position: absolute;
    width: 655px;
    height: 42px;
    left: 345px;
    top: 202px;
}

.myMain2 .proj_main_content #stage_3 a {
    background: url(../images/btn_stage3.png) no-repeat;
}
.myMain2 .proj_main_content #stage_3 a:hover {
    background: url(../images/btn_stage3_up.png) no-repeat;
}

.myMain2 .proj_main_content #stage_2 {
    position: absolute;
    width: 738px;
    height: 42px;
    left: 300px;
    top: 438px;
}

.myMain2 .proj_main_content #stage_2 a {
    background: url(../images/btn_stage2.png) no-repeat;
}
.myMain2 .proj_main_content #stage_2 a:hover {
    background: url(../images/btn_stage2_up.png) no-repeat;
}

.myMain2 .proj_main_content #stage_1 {
    position: absolute;
    width: 920px;
    height: 42px;
    left: 225px;
    top: 666px;
}

.myMain2 .proj_main_content #stage_1 a {
    width: 180px;
    background: url(../images/btn_stage1.png) no-repeat;
}
.myMain2 .proj_main_content #stage_1 a:hover {
    background: url(../images/btn_stage1_up.png) no-repeat;
}

/* 在线实训中心 - 子页面 */

.myMain2 .course_child_content {
    width: 1300px;
    height: 800px;
    margin: 30px auto;
    background-image: url('../images/BG_proj_child.png');
}

.onlineVR_childHtmlSec{
    width: 1300px;
    height: 700px;
    position: relative;
}

.course_child_swiper .swiper-slide {
    width: 1200px;
    height: 680px;
    display: flex;
    padding-left: 85px;
}

.course_child_swiper .swiper-slide>div {
    width: 235px;
    height: 640px;
    margin-right: 60px;
    background: none;
}

.course_child_swiper .swiper-slide>div>p {
    width: 235px;
    height: 296px;
    margin-bottom: 25px;
    position: relative;
}

.course_child_swiper .swiper-slide>div>p .onlineVR_text_title {
    display: block;
    position: absolute;
    width: 210px;
    left: 6px;
    top: 244px;
    line-height: 45px;
    text-align: center;
    color: white;
}

.course_child_swiper .swiper-slide>div>p .onlineVR_text_title2 {
    display: block;
    position: absolute;
    width: 210px;
    left: 6px;
    top: 244px;
    line-height: 20px;
    text-align: center;
    color: white;
}

.course_child_swiper .swiper-slide>div>p>a {
    display: block;
    width: 235px;
    height: 296px;
    padding-left: 10px;
    padding-top: 18px;
    text-decoration: none;
    background: url(../images/proj_item_bg.png)  no-repeat;
}


.course_child_swiper .swiper-slide>div>p>a:hover {
    background: url(../images/proj_item_bg_up.png)  no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a>span{
    display: block;
    width: 207px;
    height: 186px;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_dydq_icon {
    background: url(../images/proj_icon_dydq.png) no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_cgq_icon {
    background: url(../images/proj_icon_cgq.png) no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_jczl_icon {
    background: url(../images/proj_icon_jczl.png) no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_yqyyj_icon {
    background: url(../images/proj_icon_yqyyj.png) no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_gnzlyy_icon {
    background: url(../images/proj_icon_gnzlyy.png) no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_yqyhl_icon {
    background: url(../images/proj_icon_yqyhl.png) no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_dqkzxl_icon {
    background: url(../images/proj_icon_dqkzxl.png) no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_PLC_icon {
    background: url(../images/proj_icon_PLC.png) no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_PLC_icon2 {
    background: url(../images/proj_icon_PLC2.png) no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_PLC_icon3 {
    background: url(../images/proj_icon_PLC3.png) no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_PLC_icon4 {
    background: url(../images/proj_icon_PLC4.png) no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_PLC_icon5 {
    background: url(../images/proj_icon_PLC5.png) no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_PLC_icon6 {
    background: url(../images/proj_icon_PLC6.png) no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_PLC_icon7 {
    background: url(../images/proj_icon_PLC7.png) no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_PLC_icon8 {
    background: url(../images/proj_icon_PLC8.png) no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_dqyhhxl_icon {
    background: url(../images/proj_icon_dqyhhxl.png) no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_dqyhhxl_icon2 {
    background: url(../images/proj_icon_dqyhhx2.png) no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_dqyhhxl_icon3 {
    background: url(../images/proj_icon_dqyhhx3.png) no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_dqyhhxl_icon4 {
    background: url(../images/proj_icon_dqyhhx4.png) no-repeat;
}

.course_child_swiper .swiper-slide>div>p>a .onlineVR_dxjcyy_icon {
    background: url(../images/proj_icon_dxjcyy.png) no-repeat;
}
.course_child_swiper .swiper-slide>div>p>a .onlineVR_dxjcyy_icon2 {
    background: url(../images/proj_icon_dxjcyy2.png) no-repeat;
}
.course_child_swiper .swiper-slide>div>p>a .onlineVR_dxjcyy_icon3 {
    background: url(../images/proj_icon_dxjcyy3.png) no-repeat;
}