/* ismart-html u3-common.css Date:2025-8-1 16:25:11 */
.topics-top dl dt,.topics-top dl dt img{width:140px;height:105px}.topics-top{background:#f7fbff;overflow:hidden;padding:10px}.topics-top dl,.topics-top dl dt{float:left}.topics-top dl span,.topics-top p{display:block;width:100%;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.topics-top dl dd{float:left;max-width:350px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;padding-left:20px;height:105px}.topics-top p{padding-top:5px;color:#555;font-size:18px;line-height:30px;font-weight:400;margin-bottom:0}.topics-top dl span{color:#a8a8a8;font-size:14px;margin-right:20px}.topics-top dl span.exitcourse{display:inline-block;margin-top:10px;color:#b5bcc8;cursor:pointer;width:76px}.topics-icon{margin-top:35px;float:right;margin-right:10px}.topics-icon span{text-align:center;display:inline-block;margin-left:20px;cursor:pointer;font-size:14px;color:#9aadd0}.topics-icon span:first-child{margin-left:0}.topics-icon span:hover{color:#46587C}.topics-icon span:hover>i{background-position-y:-20px}.topics-icon span:hover>i.shelf{background-position-y:0}.topics-icon .icon-mid{display:block;margin:0 auto}.ibread-nav li,.icons-list li b,.topics-nav a,.tree-title .mycourse{display:inline-block}.topics-nav{border-top:1px solid #c9ced2;background:#edf0f5;height:39px}.topics-nav a{padding:0 30px;height:37px;line-height:37px;border-bottom:2px solid #edf0f5;color:#555;font-size:16px}.topics-nav a:hover{border-bottom:2px solid #c9ced2;background:#e2e2e2}.topics-nav .active{border-bottom:2px solid #24bd7d;color:#24bd7d;background:#fff}.ibread-nav{margin-top:15px}.ibread-nav li a{color:#46587c;font-size:14px}.ibread-nav li a:hover{text-decoration:underline}.ibread-nav li b{font-weight:400;color:#a0a7b7;margin-left:5px}.ibread-nav li span{font-size:14px;color:#a8a8a8}.icon-small.mycourse{margin-right:5px}.tree-title{width:100%;margin-top:20px}.tree-cont h3{margin-bottom:10px;text-align:right}.tree-cont h3 span{padding-right:20px;font-size:14px;font-weight:400}.sidebar-content{background:url(../images/line.png) 20px top repeat-y}.sidebar-category{margin-bottom:10px;cursor:pointer}.category-title{position:relative;background-image:url(../images/bookBuild-open.png);background-position:16px center;background-repeat:no-repeat;background-color:#f7fbff;padding:10px 200px 10px 45px;border-radius:5px}.category-title:hover{background-color:#edf0f5}.category-title.title-close-bg_deep{background-image:url(../images/bookBuild-close.png)}.category-title-bg_deep,.content-url .category-title{background-image:url(../images/bookBuild-open.png)}.category-title span{font-size:14px}.category-title .icons-list{position:absolute;right:20px;top:50%;margin-top:-12px}.icons-list.icons-list>li{position:relative;font-size:14px;float:right}.icons-list li 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#order,#left-navigation li:hover #safe,#left-navigation li:hover #set{display:inline-block;vertical-align:middle;width:35px;height:35px;background-image:url(../gui/images/center-self_03.png)}#left-navigation li.active #set,#left-navigation li:hover #set{background-position:0 30px}#left-navigation li.active #safe,#left-navigation li:hover #safe{background-position:343px 30px}#left-navigation li.active #money,#left-navigation li:hover #money{background-position:280px 30px}#left-navigation li.active #order,#left-navigation li:hover #order{background-position:128px 28px}#left-navigation li.active #coupon,#left-navigation li:hover #coupon{background-position:224px 30px}#left-navigation li.active #classManage,#left-navigation li:hover #classManage{background-position:440px 30px}.user-info img{width:60px;height:60px;border-radius:50%}.frame-content{width:940px;margin:0 auto;overflow:hidden;position:relative;padding-bottom:50px}.nodeState{background:#24bd7d;border:1px solid #3ec288;margin-left:20px;border-radius:4px;font-weight:500;padding:2px 6px}.nodeState:hover{color:#24bd7d;background:0 0}.topics-icon span.hot-point{position:absolute;top:0;right:13px;background:#ff4d00;width:6px;height:6px;border-radius:100%}.topics-icon span i.encourse{background-position:-200px 0}.topics-icon span:hover i.encourse{background-position-y:-20px}.topics-icon span:hover i.sendcourse{background-position-y:-44px}.course-name{display:block;width:100%;padding-top:5px;color:#555;font-size:18px;line-height:30px;font-weight:400}.exit-course{margin-top:35px;margin-right:30px;color:#9aadd0;font-size:14px}.exit-course:hover{color:#46587C}.exit-course i{display:block;margin:0 auto}.addfiles{position:relative}.btn-control a{display:inline-block;margin-right:7px}.btn-control 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