.course-item {
    margin-left: -30px;
    overflow: hidden;
}
.course-item li {
    float: left;
    width: 21.5%;
    margin: 0 0 30px 40px;
    text-align: left;
}
.course-box {
    display: block;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0,0,0,.1);
}
.course-box:hover {
    box-shadow: 0 3px 5px rgba(0,0,0,.3);
}
.course-box a {
    color: #333;
}
.course-img {
    position: relative;
    height: 149px;
    line-height: 149px;
    text-align: center; 
    background-color: #ddd;
    border-top-left-radius: 6px;
    border-top-right-radius: 6px; 
}
.course-img img {
    display: block;
    width: 100%;
    height: 100%;
    border-top-left-radius: 6px;
    border-top-right-radius: 6px;
}
.course-desc {
    text-align: center;
}
.course-desc h3 {
    font-size: 16px;
    font-weight: 500;
    padding: 12px 10px 0;
}
.course-meta {
    height: 21px;
    font-size: 14px;
    color: #666;
    padding: 15px 10px;
}
.course-meta .cur-price {
    font-size: 16px;
    color: #d2322d;
}
.course-meta .pre-price {
    font-size: 13px;
}
.more-btn {
    font-size: 18px;
    color: #d9534f;
}
.more-btn:hover {
    color: #d2322d;
}
.vip-course-tag {
    position: absolute;
    right: 0;
    top: 0;
    background-color: #ff5900;
    padding: 3px 5px;
    color: #fff;
    line-height: 20px;
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
}
.go-btn {
    display: inline-block;
    width: 180px;
    height: 45px;
    line-height: 45px;
    font-size: 16px;
    background-color: #f5c607;
    color: #fff;
    border-radius: 6px;
    text-align: center;
}
.go-btn:hover {
    background-color: #eaad06;
    color: #fff;
}
.bread-nav-banner,.bread-nav-banner a {
    color: #fff;
    opacity: 0.8;
}
.bread-nav-banner a:hover {
    opacity: 1;
}
.play-icon {
    display: inline-block;
    width: 48px;
    height: 48px;  
    vertical-align: middle;
}
.minicourse-banner {
    width: 100%;
    min-width: 1129px;
    min-height: 500px;
    background: #1cbc80 url("../img/minicourse-banner.png") no-repeat center center;
}
.minicourse-banner {
    position: relative;
}
.minicourse-banner .go-btn {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 20px;
}
.section {
    margin: 30px 0;
    overflow: hidden;
    text-align: center;
}
.secion-title {
    position: relative;
    margin-bottom: 40px;
    font-size: 28px;
    font-weight: 500;
    color: #333;
}
.section .intro {
    line-height: 30px;
    font-size: 18px;
    color: #444;
}
.section .intro b {
    color: #ff5200;
}
.item-content2 {
    background: #43cea2;
    background: -webkit-linear-gradient(to right, #43cea2, #185a9d);
    background: linear-gradient(to right, #43cea2, #185a9d);
}
.item-content2 .secion-title,.item-content2 .section .intro {
    color: #fff;
}
.clients-content {
    margin: 40px 0 0;
    overflow: hidden;
}
.clients-img {
    float: left;
    width: 55%;
    margin-right: 5%;
}
.clients-img img {
    display: block;
    width: 500px;
    vertical-align: middle;
}
.clients-item {
    float: right;
    width: 40%;
    text-align: left;
}
.clients-title {
    font-size: 24px;
    font-weight: normal;
    color: #fff;
    margin: 10px 0 20px;
}
.clients-item .intro {
    margin-bottom: 30px;
}
.app-qrcode {
    display: inline-block;
    margin-right: 5%;
}
.app-qrcode img {
    width: 160px;
    background-color: #FFF;
    border: 1px solid #ddd;
    padding: 5px;
    border-radius: 4px;
}
.app-qrcode p {
    margin: 10px 0 0;
    text-align: center;
    font-size: 16px;
    color: #fff;
}
.app-download-box {
    display: inline-block;
    vertical-align: top;
    margin-top: 10px;
}
.download-btn {
    display: block;
    width: 180px;
    height: 40px;
    line-height: 40px;
    background-color: #f5c607;
    color: #fff;
    font-size: 15px;
    border-radius: 6px;
    text-align: center;
    margin: 20px 0;
}
.download-btn:hover {
    background-color: #eaad06;
    color: #fff;
}
.section-bottom .secion-title span {
    margin: 0 8px;
    font-size: 36px;
    color: #d12610;
}
.section-bottom .intro {
    margin-bottom: 30px;
}
.section-bottom .go-btn {
    width: 350px;
}
.step-title {
    margin-bottom: 30px;
    text-align: center;
}
.step-title h2 {
    font-size: 26px;
    font-weight: 500;
    color: #333;
}
.step-title p {
    margin-top: 10px;
    font-size: 16px;
    color: #444;
}
.courselist-banner {
    width: 100%;
    min-width: 1129px;
    min-height: 340px;
    background: #43C6AC;
    background: -webkit-linear-gradient(to right, #43C6AC, #191654);  
    background: linear-gradient(to right, #233834, #1f1d33); 
}
.courselist-banner-content {
    font-size: 18px;
    color: #fff;
    text-align: center;
}
.courselist-banner-content h1 {
    font-size: 40px;
    font-weight: 500;
}
.courselist-banner-content .go-btn {
    width: 150px;
    margin-top: 40px;
}
.courselist-banner-content .try-btn {
    background-color: #f5f5f5;
    color: #333;
    margin-left: 10px;
}
.courselist-banner-content .try-btn:hover {
    background-color: #e5e5e5;
}
.courselist-banner-info {
    margin-top: 20px;
    font-size: 16px;
    color: #fff;
}
.courselist-banner-info .c-line::before {
    content: "| ";
    padding: 0 12px;
}
.courselist-banner-info .cur-price {
    font-size: 26px;
    color: #d2322d;
}
.courselist-banner-info .vip-tag {
    color: #d2322d;
}
.courselist-content {
    width: 100%;
    min-width: 1129px;
    background-color: #fff;
}
.courselist-content h2 {
    font-size: 18px;
    color: #333;
    margin-bottom: 15px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 10px;
}
.courselist-content h2::before {
    content: "";
    background: #AE4141;
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-right: 8px;
    margin-bottom: 3px;
    vertical-align: middle;
}
.courselist-list {
    float: left;
    width: 789px;
    margin-right: 60px;
    min-height: 300px;
}
.chapter-item {
    margin-bottom: 20px;
}
.chapter-item h3 {
    position: relative;
    height: 40px;
    line-height: 40px;
    font-size: 15px;
    color: #333;
    background-color: #eee;
    border-radius: 5px;
    margin: 5px 0 10px;
    padding: 0 10px;
    cursor:pointer;
}
.chapter-item strong {
    display: inline-block;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}
.chapter-box {
    padding-left: 15px;
}
.chapter-box li {
    position: relative;
    height: 40px;
    line-height: 40px;
    padding-left: 10px;
    margin-bottom: 8px;
    border-bottom: 1px dashed #ddd;
}
.chapter-box li a {
    display: inline-block;
    max-width: 80%;
    font-size: 14px;
    color: #333;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}
.chapter-box li a:hover {
    color: #900b09;
}
.chapter-box li .courselist-meta {
    float: right;
    color: #999;
}
.icon-chapter-list {
    display: inline-block;
    width: 20px;
    height: 20px;
    vertical-align: middle;
    margin-right: 10px;
}
.icon-chapter-close {
    background: url("../img/icon-chapter-close1.png") no-repeat center center;
}
.icon-chapter-open {
    background: url("../img/icon-chapter-open1.png") no-repeat center center;
}
.icon-section-option {
    background: url("../img/icon-section-option.png") no-repeat center center;
}
.icon-section-new {
    background: url("../img/icon-section-new.png") no-repeat center center;
}
.icon-section-locked {
    background: url("../img/icon-section-locked.png") no-repeat center center;
}
.icon-section-unlocked {
    background: url("../img/icon-section-unlocked.png") no-repeat center center;
}
/* 微课经验值榜  */
#courselist-sidebar {
    float: left;
    width: 280px;
}
.top-item li {
    height: 40px;
    line-height: 40px;
    margin-bottom: 10px;
}
.top-item li .top-num {
    display: inline-block;
    width: 25px;
    height: 25px;
    line-height: 25px;
    background-color: #a6a6a6;
    font-size: 13px;
    color: #fff;
    text-align: center;
    border-radius: 2px;
    margin-right: 10px;
    vertical-align: middle;
}
.top-item li .top-hot {
    background-color: #f5c607;
}
.top-item li img {
    display: inline-block;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    margin-right: 3px;
    vertical-align: middle;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}
.top-item li .top-uname {
    width: auto;
    max-width: 38%;
    display: inline-block;
    vertical-align: middle;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
    font-size: 14px;
    color: #333;
}
.top-item li .top-uname:hover {
    color: #900b09;
}
.top-item li .top-meta {
    float: right;
    font-size: 13px;
    color: #666;
    text-align: right;
}
.top-item li .top-meta b {
    color: #d12610;
    margin: 0 3px;
}

/* 做题页 */
.play-banner {
    width: 100%;
    min-width: 1129px;
	height:300px;
    /* background: #43C6AC; */
    /* background: -webkit-linear-gradient(to right, #233834, #1f1d33);   */
    /* background: linear-gradient(to right, #233834, #1f1d33);  */
	background:url('https://img.php.cn/upload/article/000/000/003/5a4c37540d4df300.jpg') no-repeat #0e1726;
	background-position:center;
	position:relative;
}
.play-banner-content,.play-content {
    width: 960px;
    margin: 0 auto;
    position: relative;
}
.play-banner-content .section-title {
    padding-top: 40px;
    font-size: 26px;
    font-weight: 500;
    color: #fff;
}
.nav-courselist {
    position: absolute;
    right: 0;
    top: 0;
    min-width: 110px;
    height: 38px;
    line-height: 36px;
    background-color: #f0ad4e;
    color: #fff!important;
    border-radius: 4px;
    font-size: 15px;
    text-align: center;
}
.nav-courselist:hover {
    background-color: #ed9c28;
    color: #fff;
}
.icon-aside-menu {
    width: 20px;
    height: 20px;
    background: url("../img/icon-aside-menu.png");
    margin-right: 5px;
}
/* 内容 */
.play-body #wrapper {
    margin: 0 auto 45px;
}
.play-area {
    background-color: #fff;
    border-radius: 4px;
    min-height: 400px;
    box-shadow: 0 0 5px 2px rgba(0,0,0,0.1);
}
.play-progress {
    /* position: relative; */
    padding: 0 25px;
    background-color: #99aba7;
    height: 45px;
    line-height: 45px;
    text-align: center;
}
.play-card-item {
    display: inline-block;
}
.play-card-list li {
    display: inline-block;
    margin-right: 10px;
}
.play-card-list li a {
    display: inline-block;
    min-width: 45px;
    font-size: 16px;
    color: #666;
    text-align: center;
}
.play-card-list li .active {
    background-color: #f5c607;
}
.play-card-list li a.locked {
    opacity: 0.6;
}
.play-card-list li .icon-content-title,.play-card-list li .icon-exam-title {
    width: 28px;
    height: 28px;
}
.play-card-list li .icon-content-title {
    background: url("../img/icon-content-title.png");
}
.play-card-list li .icon-exam-title {
    background: url("../img/icon-exam-title.png");
}
.progress-nums {
    float: right;
    font-size: 20px;
    color: #333;
}
.play-item {
	display:none;
    padding: 20px 30px 40px;
    overflow: hidden;
}
.play-title .content-title {
	font-weight:700;
    font-size: 20px;
    color: #333;
}
.play-title .exam-title {
    font-size: 16px;
    color: #333;
    line-height: 1.7;
    font-weight: 500;
}
.play-title .content-title,.play-title .exam-title {
    padding-bottom: 10px;
    border-bottom: 1px solid #ddd;
}
.play-exam-content {
    margin: 30px 0;
    font-size: 15px;
    color: #333;
}
.play-exam-content .content-intro {
    padding: 0 0 20px;
    font-size: 15px;
}
.exam-btn-box {
    margin-top: 20px;
}
.btn-submit {
    display: inline-block;
    width: 150px;
    height: 45px;
    line-height: 45px;
    text-align: center;
    background-color: #b4e4fd;
    color: #0083c7!important;
    border-radius: 4px;
    font-size: 16px;
}
.exam-btn-jump {
    float: right; 
    opacity: 0.8;
}
.exam-btn-jump:hover {
    opacity: 1;
    color: #0083c7;
}
.exam-choose {
    padding: 15px 20px;
    border: 1px solid #ccc;
    border-radius: 4px;
    margin-top: 15px;
    cursor: pointer;
}
.exam-option-content {
    display: inline-block;
}
.exam-choose .exam-option-content {
    vertical-align: top;
    white-space: pre-wrap;
    word-wrap: break-word;
    word-break: break-all;
    margin-left: 10px;
}
.exam-choose .checkbox, .exam-choose .radio {
    display: inline-block;
    font-size: 15px;
    text-align: left;
    cursor: pointer;
}
.exam-choose .checkbox input, .exam-choose .radio input {
    /*display: none;*/
}
.exam-choose .checkbox .icons,.exam-choose .radio .icons,.exam-option .icons {
    border: 1px solid #aaa;
    vertical-align: -3px;
    width: 20px;
    height: 20px;
    background: #fff;
    display: inline-block;
    border-radius: 2px;
    line-height: normal;
    position: relative;
}
.exam-choose .radio .icons,.exam-option .icons{
    border-radius: 50%;
}
.exam-choose .checkbox.checked .icons, .exam-choose .radio.checked .icons {
    border: 1px solid #1bcc68;
    background: #1bcc68;
}
.fill-box {
    display: inline-block;
    width: 54px;
    height: 32px;
    line-height: 32px;
    background-color: #fff;
    box-shadow: 1px 1px 5px #888;
    border-radius: 4px;
    text-align: center;
    padding: 0 5px;
    margin: 5px 3px;
}
.input-box {
    border: none;
    text-align: left;
}
.fill-box:focus,.fill-box:hover {
    box-shadow: 1px 1px 5px #666;
}
.choose-fill-box {
    vertical-align: middle;
    width: auto;
    min-width: 54px;
}
.exam-choose-fill .fill-box {
    float: left;
    width: auto;
    min-width: 54px;
    margin: 10px 17px 10px 3px;
    color: #69bd1f;
    cursor: pointer;
}
.exam-choose-fill .fill-box.checked {
    color: #999;
}
.exam-drag-sort {
    margin-top: 5px;
    padding: 15px 20px;
    background-color: #eee;
    border-radius: 4px;
}
.exam-drag-sort:hover {
    box-shadow: 1px 1px 5px #888;
    cursor: pointer;
}
.exam-drag-sort span {
    display: inline-block;
    max-width: 90%;
    white-space: pre-wrap;
}
.play-drag-sort {
    background: url("../img/play-drag-sort.png");
    width: 25px;
    height: 25px;
    float: right;
    margin-right: 20px;
}

/* 点击显示目录列表 */
.play-aside {
    width: 400px;
    position: fixed;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 1000;
    background-color: #fff;
    overflow-y: auto;
    border-left: 1px solid #ddd;
    box-shadow: 5px 5px 5px rgba(0,0,0,.175);
}
.play-aside h2 {
    padding: 15px 10px;
    font-size: 18px;
    color: #333;
    text-align: center;
}
.play-aside .close-btn {
    position: absolute;
    left: 20px;
    top: 15px;
    background: url("../img/close-btn2.png") no-repeat center center;
    width: 16px;
    height: 16px;
    cursor: pointer;
    opacity: 0.8;
}
.play-aside .close-btn:hover {
    opacity: 1;
}
.play-aside .chapter-item h3 {
    border-radius: 0;
    padding: 0 15px;
}
.play-aside .chapter-box {
    padding-left: 20px;
}
#foo li:hover {
    cursor:move;
}

.play-nav-box{clear:both;}
.play-nav-box .nav {
    position: absolute;
    top: 50px;
    opacity: 0.8;
}
.play-nav-box .nav:hover {
    opacity: 1;
}
.play-nav-box .play-nav-prev {
    left: -80px;
}
.play-nav-box .play-nav-next {
    right: -80px;
}
.play-icon-prev {
    background: url("../img/play-icon-prev1.png");
}
.play-icon-next {
    background: url("../img/play-icon-next1.png");
}
.play-icon-check {
    background: url("../img/play-icon-check2.png");
}

/* 提示 */
.play-tip-area {
    position: fixed;
    top: 200px;
    left: 0;
    right: 0;
    width: 400px;
    min-height: 200px;
    z-index: 1500;
    margin: 0 auto;
    text-align: center;
    background-color: #fff;
    border-radius: 4px;
    box-shadow: 0 0 5px 2px rgba(0,0,0,0.1);
}
.play-tip-right {
    background-color: #EBFCEE;
}
.play-tip-error {
    background-color: #FAEAE6;
}
.play-tip-box {
    font-size: 15px;
    color: #333;
    margin: 12px 0 0;
}
.play-tip-box h2 {
    font-size: 18px;
	font-weight:700;
}
.play-icon-exp,.play-icon-credit {
    width: 32px;
    height: 32px;
}
.play-icon-exp {
    background: url("../img/exp-ico.png");
}
.play-icon-credit {
    background: url("../img/credit-ico.png");
}
.play-icon-right,.play-icon-error {
    width: 64px;
    height: 64px;
}
.play-icon-right {
    background: url("../img/course-right-ico.png");
}
.play-icon-error {
    background: url("../img/course-error-ico.png");
}
.credit-info .play-icon {
    margin-right: 3px;
}
.try-again,.try-goon {
    position: absolute;
    right: 20px;
    bottom: -20px;
    width: 64px;
    height: 64px;
}
.try-again {
    background: url("../img/play-try-again.png");
}
.try-goon {
    background: url("../img/play-try-goon.png");
}
#error-analysis {
    padding: 0 20px 10px;
    text-align: left;
    line-height: 1.7;
}
.modal-box {
    background-color: rgba(0, 0, 0, 0.8);
    height: 100%;
    left: 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1200;
    display:none;
}
.exam-radio{
    display: none;
}
.icons-checked {
    border: 1px solid #42c4ab !important;
    background: url("../img/icons-checked.png") !important;
}
.fill-box-as-checked {
    color: #999 !important;
}
.fill-box-as-checked:hover {
    cursor: default;
}
@media (min-width:1200px) {
    .courselist-list {
        width: 789px;
    }
}
@media (min-width:1300px) {
    .courselist-list {
        width: 889px;
    }
}
.fobtn_next_div{
	position: relative; 
	left: -10px;
	font-size:18px; 
	width: 100%; 
	height: 32px; 
	padding-left: 14px;
	vertical-align: middle;
}
.fobtn_next_div i{
	color: #ffffff; 
	position: relative;
}
.fobtn_next_div:hover{
	cursor: pointer;
}
.fa{
	display: inline-block; 
	font: normal normal normal 14px/1 FontAwesome; 
	font-size: inherit; text-rendering: auto; 
	-webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}
.fobtn .off_{display:none;}
.fobtn.on .on_{display:none;}
.fobtn.on .off_{display:inline;}
.start-href{width:135px;height:45px;position:absolute;top:205px;left:888px;}