@charset "utf-8";
.stcon-ul{width:100%;}
.stcon-ul li{display:flex;padding:0 0 20px 0;margin:20px 0 0 0;border-bottom:1px solid #F3F3F3;}
.stcon-ul li .stdh{ font-weight: 400;font-size: 16px;}
.stdh-first.stdh{color: #666666;margin:0;padding:0;}
.stdh{color:#333333;padding:0 11px;height: 26px;border-radius:5px;margin:0 10px 0 0;align-items: center;}
.stdh.check{ color: #F13536;background: #FEF5F5;font-weight: bold;}
.rititle-shows{font-size: 14px;color: #999999;}
.stcon-down{margin:50px 0 0 0;}

.sttleft{margin:0 0 0 28px;}
.sttl-tab{width: 90px;height: 35px;background: #F8F8F8;border-radius:5px;border: 1px solid #F3F3F3;font-size: 16px;color: #333333;margin:0 20px 0 0;}
.sttl-tab.check{ color: #F13536;background: #FEF5F5;border: 1px solid #F13536;}
.sttl-tab span{margin:0 0 0 5px;}
.stcon-list .stclistitem {width: 248px;height: 250px;background: #FFFFFF; border-radius: 5px;border: 1px solid #F3F3F3;
    position: relative;margin:0 32px 32px 0;transition: all .3s ease;
}
.stcon-list .stclistitem:nth-child(5n+5){margin-right: 0;}
.stcon-list .stclistitem.check,.stcon-list .stclistitem:hover{background:#F8F8F8;border: 1px solid #F3F3F3;}
.stitem-free {position: absolute;width: 62px;height: 24px;font-size: 14px;color: #FFFFFF;line-height: 12px;display: flex;
    align-items: center;justify-content: center;z-index: 2;opacity: 0.5;border-radius: 5px 0 5px 0;background-color:  #000000;
}
.stclistitem .stitemtop img {width: 248px;height: 153px;border-radius: 8px 8px 0px 0px;    object-fit: cover;}
.stcon-list .stclistitem dl {width:auto;margin:14px 16px 0 16px;}
.stcon-list .stclistitem dl dt span {display: block;height: 21px;background: #FCE7E0;padding: 0px 5px;border-radius: 2px;
    float: left;font-size: 12px;line-height: 21px;margin: 0px 5px 0px 0px;
}
.stcon-list .stclistitem dl dt span.bg1 {background: #E0E8FC;color: #298AFD;}
.stcon-list .stclistitem dl dt span.bg2 {background: #FCE7E0;color: #FD4029;}
.stcon-list .stclistitem dl dt span.bg3 {background: #FCF3E0;color: #FB6401;}
.stcon-list .stclistitem dl dt {line-height: 24px;overflow: hidden;height: 44px;font-size: 16px;margin:0 0 12px 0}
.stcon-list .stclistitem dl .cont1{display:flex;justify-content: space-between;font-size: 12px;color: #93999F;}
.stcon-list .stclistitem dl dd.cont1 span a{display:flex;align-items: center;font-size: 12px;color: #93999F;}
.stcon-list{margin:7px 0 0 0;flex-wrap: wrap;}

.mngfPage {margin: 0 auto 0 auto;width: 100%;}
.mngfPage .page {display: flex;justify-content: center;align-items: center;gap: 15px;}
.mngfPage a {font-size: 16px;}
.page a {width: auto;display: flex;align-items: center;height: 31px;padding: 0 12px;font-size: 14px;color: #999999;background: #FFFFFF;
    border-radius: 3px 3px 3px 3px;border: 1px solid #E4E4E4;white-space: nowrap;
}
.mngfPage .page .active {display: flex;justify-content: center;align-items: center;border:1px solid #333333;color:#333333;}
.stclsLeft{margin:0 40px 0 0;width:988px;}
.stclass-top{width: 100%;height: 200px;background: radial-gradient( 0% 0% at 0% 0%, #FBCBB6 0%, #FAE3D3 100%), #A7A7A6;}
.stclt-con{width: 1380px;margin:0 auto;}
.stclt-con .breadcrumb{margin:20px 0 0 0;}
.stclt-con .breadcrumb,.stclt-con .freeSize,.stclt-con .freeSize a {color: #AD0405;}
.learnTimenow{ width: 159px;height: 42px;background: #F13536;border-radius:5px;font-size: 18px;color: #FFFFFF;margin:0 32px 0 0;}
.learnTimenow:hover{color: #FFFFFF;}
.stcltc-all h1{font-weight: 500;font-size: 32px;color: #AD0405;margin:30px 0 26px 0;line-height: 32px;}
.ltDiv{font-size: 14px;color: #AD0405;line-height: 28px;}
.learntimeLine{width: 1px;height: 43px;background: #FAA676;margin:0 50px;}
.learnTime{align-items: center;}
.stcl-alist{width: 988px; height: 53px;background: #F8F8F8;border-radius:5px;margin:0 0 20px 0;}   
.stcl-alist a{font-size: 22px;color: #333333;margin:0 25px 0 23px;align-items: center;}
.stcl-alist a span{margin:10px 0 7px 0;}
.stcl-alist a.check{font-weight: bold;}
.stcl-alist a b{ width: 37px;height: 5px;background: #F13536;border-radius:3px;display:none;}
.stcl-alist a.check b{display:flex;}
.stcsl-tips{align-items: center;justify-content: space-between;height: 40px;background: #FCF6F6;border-radius:5px;font-size: 14px;color: #999999;margin:30px 0 26px 0;}
.sttips a{ color:#F13536;}
.sttips b{margin:0 3px;}
.stcsl-tips p{margin:0 0 0 16px;}
.sttips{margin:0 16px 0 0 ;}
.stclsCon{margin:30px auto 0 auto;}
.litr-img{width:13px;height: 8px;display: none;cursor: pointer;    object-fit: cover;}
.litr-img.check{display: flex;}
.li-titles{justify-content: space-between;font-size: 16px;color: #333333;line-height:20px;}
.lilist-title{font-size: 14px;color: #666666;line-height: 14px;margin:0 0 25px 0;}
.lilist-title:last-child{margin:0;}
.li-lists .lilistd-div{margin:25px 0 0 57px;display:none;}
.li-lists .lilistd-div.show{display:flex;}
.calist-item {margin:20px 0 0 0;padding:0 0 20px 0;border-bottom: 1px solid #F3F3F3;}


.cldA {margin: 0 24px 0 0;overflow: hidden;flex-shrink: 0;}
.cldA, .cldaimg {width: 220px;height: 140px;border-radius: 5px;}
.cldaimg {transition: all .3s ease;object-fit: initial;}
.clDiv {padding: 25px 0 25px 0;border-bottom: 1px solid #f1f1f1;}
.clDiv:hover img{transform: scale(1.05); }
.conList .clDiv:nth-of-type(1) {padding-top: 0;margin-top: 0;}
.clddTitle {font-size: 16px;color: #333333;line-height: 28px;-webkit-line-clamp: 1;transition: all .3s ease;}
.clddCon {padding:0 8px 0 0;font-size: 14px;color: #666666;line-height: 24px;margin: 16px 0 24px 0;-webkit-line-clamp: 2;word-break: break-all;
    text-align: justify;font-style: normal;letter-spacing: 0.1px;word-break: auto-phrase;height: 48px;    word-break: break-all;
}
.clddDown-left {margin-right: 21px;}
.cldddh,.cldddh a, .clddTime, .cldddLabels {display: flex;flex-direction: row;align-items: center;font-size: 12px;color: #999999;}
.cldddLabels{     max-width: 230px;overflow: hidden;}
.articles .cldddh b {width: 13px;height: 17px;background: url(../lhimages/icon297.png) no-repeat;margin: 0 5px 0 0;background-size: contain;flex-shrink: 0;}
.cldddh a {max-width: 100px;overflow: hidden;overflow: hidden;text-overflow: ellipsis;white-space: nowrap;display: inline-block;margin:0 27px 0 0;}
.articles .clddTime b {width: 18px;height: 18px;background: url(../lhimages/icon272.png) no-repeat;margin: 0 5px 0 0;background-size: contain;}
.clddls {height: 24px;border-radius: 5px;background: #F8F8F8;padding: 0 10px;font-size: 12px;color: #999999;margin: 0 9px 0 0;border: 1px solid #E4E4E4;
    transition: all .1s ease;line-height: 24px;overflow: hidden;display: -webkit-box !important;-webkit-box-orient: vertical;-webkit-line-clamp: 1;max-width: 100px;
    text-overflow: ellipsis;flex-shrink: 0;
}
.clddls:hover,.clDiv:hover .clddls{background: #FFFFFF;border: 1px solid #E4E4E4;color:#333333;}
.clDiv:hover{background: #F8F8F8;}

.classWz .cldddh b {width: 13px;height: 17px;background: url(../lhimages/icon297.png) no-repeat;margin: 0 5px 0 0;background-size: contain;flex-shrink: 0;}
.classWz .clddTime b {width: 18px;height: 18px;background: url(../lhimages/icon272.png) no-repeat;margin: 0 5px 0 0;background-size: contain;}

/* .classWz .clDiv:nth-child(1 of .clDiv){padding-top: 0;} */
.classWz .rightdTitle{margin: 0;}
.clz-li{justify-content: space-between;align-items: center;margin:0 0 25px 0;padding:0 0 25px 0;border-bottom:1px solid #F1F1F1;}
.clz-li:last-child{margin:0;}
.clzt-down{width: 90px;height: 38px;background: #FEF5F5;border-radius:5px;font-size: 14px;color: #F13536;transition: all .3s ease;}
.clzt-down.check,.clzt-down:hover{background: #F13536;color:#FFFFFF;}
.clzliimg{ width: 45px;height: 59px;margin:0 25px 0 0;    object-fit: cover;}
.clzt-lititle{font-size: 16px;color: #333333;margin:6px 0 10px 0;}
.clzt-lititledes{font-size: 14px;color: #999999;}
.clz-ul{margin:26px 0 0 0;}



.content-all{margin:30px 0 0 0;}
.codeconleft{width:990px;margin:0 40px 0 0;flex-shrink: 0;}
.ztcldh, .ztcldh a, .ztclddTime, .ztclddRead {display: flex;align-items: center;font-size: 12px;color: #999999;}
.coderight .hotztra{-webkit-line-clamp: 1;}
.stscRight .hotztra{    margin: 0;line-height: 24px;}
.coderight  .hotzt{margin-top: 0;}
.ztcldh{margin:0 28px 0 22px;}
.scconLeft .ztcldh{margin:0;}
.scconLeft .ztclddTime {margin: 0 23px;}
.cdcon-top {border-bottom: 1px solid #F3F3F3;padding:0 0 20px 0;}
.cdcon-top h1{ font-size: 28px;color: #333333;line-height: 28px;font-family: PingFangMedium;}

.colalike {margin-top: 30px;position: fixed;left: 100px;color: #666666;}
.artcollect {margin: 0 0 15px 0;}
.artcollect, .artlike {align-items: center;display: flex;flex-direction: column;}
.colalike img.show {display: inline;}
.colalike img {width: 45px;height: 45px;display: none;margin: 0 0 10px 0;cursor: pointer;object-fit: cover;}
.ztprDown{margin:15px 0;}
.cdtpbtn,.cdtpbtn:hover{width: 130px;height: 40px;border-radius: 5px;font-size: 16px;color: #FFFFFF;}
.cdtpbtn:nth-child(1){background: #F13536;margin:0 14px 0 0;}
.cdtpbtn:nth-child(2){background: #333333;}

.cdcod-con p{font-weight: 400;font-size: 16px;color: #333333;line-height: 35px;}
.artdp{display: flex;align-items: center;margin:15px 0 10px 0;}
.artdp p{font-size: 22px;color: #333333;font-weight: bold;}
.artdp span {width: 5px;height: 17px;background: #F13536;border-radius: 3px;margin: 0 13px 0 0;}
.cdcod-con p .tips{color:#F13536;}
.cdcod-items{margin:50px 0 0 0;}
.lcld-title{ font-size: 18px;color: #212121;margin:0 0 20px 0;}
.cdvallt{    width: 100%;}
.cdvalld {width: 50%;align-items: center;font-size: 16px;color: #333333;}
.cdvalld p{overflow: hidden;text-overflow: ellipsis;display: -webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 1;}
.cdvall {justify-content: flex-start;margin: 0 15px;width: 100%;height: 100%;}
.lcldcdv {border-bottom: 1px solid #F3F3F3;height: 45px;align-items: center;justify-content: center;}
.lcldc-dv .lcldcdv:nth-child(2n+2) {background: #F9F9F9;}
.cdvalld b {width: 18px;height: 22px;background: url(../lhimages/icon274.png) no-repeat;margin: 0 8px 0 0;background-size: contain;flex-shrink: 0;}
.lcldcd-items {margin:27px 0 0 0;}
.cdcod-items .rightdTitle{margin-bottom: 0;}

.stlist-item {width: 308px;height: 280px;background: #FFFFFF; border-radius: 5px;border: 1px solid #F3F3F3;
  position: relative;margin:0 29px 25px 0;transition: all .3s ease;
}
.cdcod-list .stlist-item:nth-child(3n+3){margin-right: 0;}
.cdcod-list .stlist-item:nth-last-child(-n+3){margin-bottom: 0;}
.stlist-item.check,.stlist-item:hover{background:#F8F8F8;border: 1px solid #F3F3F3;}
.stitem-free {position: absolute;width: 55px;height: 25px;font-size: 14px;color: #FFFFFF;line-height: 12px;display: flex;
  align-items: center;justify-content: center;z-index: 2;opacity: 0.5;border-radius: 5px 0 5px 0;background-color:  #000000;
}
.stitemtopimg,.stitemtop {width: 310px;height: 170px;border-radius: 5px 5px 0px 0px;object-fit: cover;}
.stitemtop {position: relative;}
.classdesp,.classdes>p{font-size: 16px;color: #333333;line-height: 30px;}
.cdcod-down .codedown-img{position:absolute;width:60px;height: 60px; left: 50%;top: 50%;transform: translate(-50%, -50%);}
.stlist-item dl {width:auto;margin:15px 16px 0 16px;}
.stlist-item dl dt span {display: block;height: 21px;background: #FCE7E0;padding: 0px 5px;border-radius: 2px;
  float: left;font-size: 12px;line-height: 21px;margin: 0px 5px 0px 0px;
}
.stlist-item dl dt span.bg1 {background: #DCE5FA;color: #2C83F7;}
.stlist-item dl dt span.bg2 {background: #FBE3DC;color: #FB3A2C;}
.stlist-item dl dt span.bg3 {background: #FBF1DD;color: #F9662C;}
.stlist-item dl dt {line-height: 24px;overflow: hidden;height: 44px;font-size: 16px;margin:0 0 13px 0;}
.stlist-item dl dt a{color: #333333;}
.stlist-item dl .cont1{display:flex;justify-content: space-between;font-size: 12px;color: #93999F;}
.stlist-item dl dd.cont1 span a{display:flex;align-items: center;font-size: 12px;color: #93999F;}
.stlist-item dl dd.cont1 span a b {background: url(../lhimages/icon381.png) no-repeat;width: 14px;height: 15px;background-size: contain;margin: 0 3px 0 0;}
.stlist-item dl dd.cont1 span.collected a b {background: url(../lhimages/icon382.png) no-repeat;width: 14px;height: 15px;background-size: contain;margin: 0 3px 0 0;}
.cdcod-list{flex-wrap: wrap;}
.classWz,.class-download,.cdcod-down {margin:50px 0 0 0;}
.classlist{margin:45px 0 0 0;}
.studyRight .readA{-webkit-line-clamp: 1; margin-top: 3px;}
.studyRight .rcLi{    margin: 0 0 15px 0;}
.studyRight .rcLi:last-child{margin:0;}
.studyRight .hotztra{-webkit-line-clamp: 1;line-height: 20px;}
.studyRight .ridsrp{-webkit-line-clamp: 2;height: 42px;word-break: break-all;display: -webkit-box;}
.studyRight .ridsAimg{width: 120px;height: 75px;border-radius: 5px;margin: 0 13px 0 0;object-fit: cover;}
.studyRight .ridsrdown p{width: 58px;height: 25px;background: #F8F8F8;border-radius: 3px 3px 3px 3px;font-size: 14px;color: #999999;}
.lz-li {justify-content: space-between;padding: 0 0 12px 0;margin:14px 0 0 0;border-bottom: 1px solid #EEEEEE;}
.lzt-lititle {font-size: 16px;line-height: 30px;color: #333333;text-decoration: none;}
.lzt-down {border: none;width: 86px;height: 35px;background: #FEF5F5;border-radius: 5px;color: #F13536;align-items: center;
    display: flex;justify-content: center;text-decoration: none;
}
.lzt-down:hover{ background: #F13536;color: #FFFFFF;}
.techda img{ width: 90px;height: 90px;margin:0 22px 0 0;border-radius: 50%;object-fit: cover;}
.teach-down{justify-content: space-between;align-items: center;}
.techd-left{align-items: center;}
.teachdl-rg p:nth-child(1){font-size: 16px;color: #333333;}
.teachdl-rg p:nth-child(2),.teachdl-rg p:nth-child(3){font-size: 14px;color: #999999;}
.teachd-right{font-size: 16px;color: #999999;align-items: center;cursor: pointer;}
.teachd-right:hover{color: #F13536;}
.teacher-des .rightdTitle{margin:0 0 16px 0;}
.teacher-des{margin:30px 0 50px 0;}
.sttoprvdimg{ width: 350px;height: 200px;border-radius: 5px;object-fit: cover;}
.sttoprvd{position: relative; }
.sttoprvd-img{position: absolute; width: 60px;height: 60px;left: 50%;top: 50%;transform: translate(-50%, -50%); }
.stcltcvd-all{justify-content: space-between;}
.stclassvd-top{height: 300px;background: radial-gradient( 0% 0% at 0% 0%, #FCDCBD 0.42%, #FED5AD 100%), #FF921D;}
.stcltcvd-all h1 {font-weight: 500;font-size: 32px;color: #844303;margin: 30px 0 26px 0;line-height: 32px;}
.sttoptaba{height: 25px;padding:0 15px 0 13px; border-radius:5px;border: 1px solid #844303;font-size: 14px;color: #844303;transition: all .3s ease;margin:0 14px 0 0;align-items: center;}
.sttoptaba:hover{ background: #FFFFFF;color: #844303;}
.sttop-des{ font-size: 14px;color: #844303;line-height: 14px;}
.sttop-des b{margin:0 20px;}
.sttop-learn{width: 200px;height: 42px;background: #F13536;border-radius:5px;font-size: 16px;color: #FFFFFF;}
.sttop-learn:hover{color: #FFFFFF;}
.sttopd-des{ font-size: 14px;color: #844303;line-height: 14px;align-items: center;margin:0 34px 0 0;}
.stcltcvd-all .sttop-left h1{margin:28px 0 19px 0;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;    -webkit-line-clamp: 1;
}
.sttop-des{margin:16px 0 18px 0;}
.sttop-down{margin:19px 0 0 0;}
.teachdl-rg p:nth-child(2){margin:10px 0;}

.rititle-more{font-size: 14px;}
.stclscon-all{margin-bottom: 30px;}
.adversitement img{ width: 350px;height: 280px;object-fit: cover;}



.left-lists {width: 200px;padding: 0 10px 0 0;position: sticky;top: 110px;align-self: flex-start;overflow-x: hidden;overflow-y: auto;
    scrollbar-gutter: stable;height: 70vh;flex-shrink: 0;
}
.left-lists::-webkit-scrollbar {width: 0;}
.left-lists::-webkit-scrollbar-track {background: transparent;margin-top: 4px;margin-bottom: 4px;}
.left-lists::-webkit-scrollbar-thumb {background-color: rgba(0, 0, 0, 0.25);border-radius: 3px;transition: background-color 0.3s;}
.left-lists::-webkit-scrollbar-thumb:hover {background-color: rgba(0, 0, 0, 0.4);}
.sclistall {width: 200px;min-height: 50px;height: auto;background: #FFFFFF;border-radius: 5px 5px 5px 5px;border: 1px solid #F1F1F1;margin: 0 0 20px 0;}
.sclistall:nth-of-type(1){margin-top: 15px;}
.llstda {justify-content: space-between;height: 48px;align-items: center;cursor: pointer;border: 1px solid #F1F1F1;}
.selall {font-size: 14px;line-height: 22px;display: none;width: 100%;border-top: 1px solid #F1F1F1;margin: 0;}
.llstda p {display: flex;align-items: center;}
.artlstdab {width:7px;height:10px;background: url(../lhimages/icon405.png) no-repeat;background-size: contain;flex-shrink: 0;margin: 0 15px 0 0;}
.sclistall.hover .artlstdab {background: url(../lhimages/icon405_click.png) no-repeat;background-size: contain;flex-shrink: 0;}

.sclistall .llstda p b {flex-shrink: 0;background-size: contain !important;margin: 0 6px 0 17px;}
.llstda span {font-size: 16px;color: #333333;line-height: 42px;height: 42px;overflow: hidden;text-overflow: ellipsis;
    display: -webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 1;max-width: 110px;white-space: nowrap;margin-left: 15px;
}
.sclistall.hover .llstda span{color: #F13536;}
.sclistall.hover .llstda{ border: 1px solid #F13536;background: #FEF5F5;color: #F13536;}
.sclistall .llstda p b {flex-shrink: 0;background-size: contain !important;margin-left:17px;}
.sclall{margin-top: 20px;}
.selall {font-size: 14px;line-height: 22px;display: none;width: 100%;border-top: 1px solid #F1F1F1;margin: 0;}
.selall a {font-size: 14px;color: #333333;padding: 0 0 0 55px;line-height: 40px;-webkit-line-clamp: 1;}
.llatopleft {font-size: 22px;color: #333333;font-weight: bold;}
.scconLeft{margin:0 40px;width:800px;flex-shrink: 0;}

.scconLeft .mngfPage{margin-top: 30px;}
.studyRight .ristyAimg{ width: 120px;height: 75px;object-fit: cover;}
.studyRight.stscRight .hotztra{-webkit-line-clamp: 2;}
.stscRight .adversitement img,.scztRight .adversitement img{width: 300px;height: 232px;}

.scztlst.artllst:nth-child(2){margin-top: 20px;}
.scztlst.artllst:nth-child(1) .llstda p b{width:23px;height: 22px;background: url(../lhimages/icon404.png) no-repeat;background-size: contain;margin-right:5px;}
.selall a.hover, .selall a:hover {background: #FEF5F5;color: #F13536;font-weight: bold;}
.artllst.hover .selall {display: flex;flex-direction: column;}
.artllst.hover .artlstdab.shows {width: 11px;height: 7px;background: url(../lhimages/icon330.png) no-repeat;background-size: contain;flex-shrink: 0;}

.scztconLeft{ width: 800px;flex-shrink: 0;margin:0 40px;}
.sctpcz-btns{margin:0 30px 0 0;}
.sctpcz-btns,.sctpcz-btns a{align-items: center;font-size: 14px;color: #999999;}
.sctpcz-share.check a,.sctpcz-cole.check a{color:#F13536;}
.sczttpcz{margin:17px 0 20px 0;}
.scztlka{align-items: center;justify-content: center; font-size: 14px;color: #F13536;width: 144px;height: 33px;border-radius:5px;border: 1px solid #F13536;transition: all .3s ease;}
.scztlka:hover{background: #FEF5F5;color:#F13536;}
.scztlka.scztlkaright{margin-left: auto;}
.scztlka.scztlkaleft b{width: 9px;height: 12px;background: url(../lhimages/icon414.png) no-repeat;background-size: contain;margin: 0 5px 0 0;}
.scztlka.scztlkaright b{width: 9px;height: 12px;background: url(../lhimages/icon415.png) no-repeat;background-size: contain;margin: 0 0 0 5px;}
.scztlink{justify-content: space-between;border-bottom: 1px solid #F3F3F3;padding:0 0 21px 0;margin:0 0 10px 0;}

.scztallcon{font-size: 16px;color: #333333;line-height: 30px;}
.scztallcon p{margin:0 0 10px 0;}
.scztallcon p img{display:flex;margin:0 auto;}
.scztallcon .artdp p{margin:0;}
.artcona {margin: 0 auto;justify-content: center;}
.scztlinkdown{margin:20px 0 0 0;}
.tecna,.tecnAimg{width: 120px;height: 75px;}
.tecnda{-webkit-line-clamp:2;height: 44px;margin:-3px 0 12px 0;}
.technology-news{border:none;padding:0 0 50px 0;}
.tecnelli {margin: 0 0 20px 0;}
.scztconLeft .cdcod-down .stitemtopimg,.scztconLeft .cdcod-down .stitemtop{width: 244px;height: 150px;}
.scztconLeft .cdcod-down .stlist-item{width: 244px;height: 253px;}
.scztl-tops{}
.scztl-tops h1{font-size: 24px;font-weight: bold;}
.codedtlright .hotdownload{margin:50px 0 0 0;}
.disabledCourse{background:#ccc;color:#999;cursor:not-allowed;pointer-events:none;}
.sttop-tabs .sttoptaba:nth-child(n+4) {display: none;}
.scztRight .juli,.codedtlright .juli,.studyRight .juli{ margin:40px 0 0 0;}
.scztRight .juli img,.codedtlright .juli img,.studyRight .juli img{border-radius: 5px;}


.artllst {width: 200px;min-height: 50px;height: auto;background: #FFFFFF;border-radius: 5px 5px 5px 5px;border: 1px solid #F1F1F1;margin: 0 0 20px 0;}
.artllst .llstda p b {flex-shrink: 0;background-size: contain !important;margin: 0 6px 0 17px;}
.llstda p b {width: 25px;height: 24px;background: url(../lhimages/icon328.png) no-repeat;background-size: contain;margin: 0 11px 0 0;}
.stztCon .artlstdab {width: 11px;height: 7px;background: url(../lhimages/icon329.png) no-repeat;background-size: contain;flex-shrink: 0;margin: 0 15px 0 0;}
.stztCon .llstd {justify-content: space-between;}
.stztCon .llatopa {font-size: 14px;color: #959595;}
.stztCon .llatopleft,.stztCon .llatopa {align-items: center;}
.stztCon .llatopa b {width: 9px;height: 12px;background: url(../lhimages/icon278.png) no-repeat;background-size: contain;margin: 0 0 0 3px;}


.stclassvd-top .stclt-con .breadcrumb,.stclassvd-top .stclt-con .freeSize,.stclassvd-top .stclt-con .freeSize a{color: #844303;}
.breadcrumb img{margin: 2px 5px 0 0;}

.sctpcz-cole b{width:15px;height: 15px;background: url(../lhimages/icon410.png) no-repeat;background-size: contain;margin-right:5px;}
.sctpcz-cole.check b{width:15px;height: 15px;background: url(../lhimages/icon416.png) no-repeat;background-size: contain;margin-right:5px;}
.sctpcz-share b{width:11px;height: 13px;background: url(../lhimages/icon411.png) no-repeat;background-size: contain;margin-right:5px;}
.sctpcz-share.check b{width:11px;height: 13px;background: url(../lhimages/icon417.png) no-repeat;background-size: contain;margin-right:5px;}
.sctpcz-look b{width:16px;height: 13px;background: url(../lhimages/icon412.png) no-repeat;background-size: contain;margin-right:5px;}
.sctpcz-gx b{width:16px;height: 16px;background: url(../lhimages/icon413.png) no-repeat;background-size: contain;margin-right:5px;}

.scztlst.artllst:nth-child(2) .llstda p b{width:23px;height: 22px;background: url(../lhimages/icon406.png) no-repeat;background-size: contain;margin-right:5px;}
.scztlst.artllst:nth-child(3) .llstda p b{width:23px;height: 22px;background: url(../lhimages/icon407.png) no-repeat;background-size: contain;margin-right:5px;}
.scztlst.artllst:nth-child(4) .llstda p b{width:23px;height: 22px;background: url(../lhimages/icon408.png) no-repeat;background-size: contain;margin-right:5px;}
.scztlst.artllst:nth-child(5) .llstda p b{width:23px;height: 22px;background: url(../lhimages/icon409.png) no-repeat;background-size: contain;margin-right:5px;}


/* .sclcomputer .llstda p b{width:23px;height: 22px;background: url(../lhimages/icon404.png) no-repeat;background-size: contain;margin-right:5px;}
.scllinux .llstda p b{width:22px;height: 22px;background: url(../lhimages/icon403.png) no-repeat;background-size: contain;margin-right:8px;}
.sclweb .llstda p b{width:18px;height: 24px;background: url(../lhimages/icon402.png) no-repeat;background-size: contain;margin-right:10px;}
.sclsql .llstda p b{width:20px;height: 23px;background: url(../lhimages/icon401.png) no-repeat;background-size: contain;margin-right:8px;}
.sclhd .llstda p b{width:20px;height: 18px;background: url(../lhimages/icon400.png) no-repeat;background-size: contain;margin-right:7px;}
.sclqd .llstda p b{width:21px;height: 19px;background: url(../lhimages/icon399.png) no-repeat;background-size: contain;margin-right:7px;}
.sclall .llstda p b{width:21px;height: 21px;background: url(../lhimages/icon398.png) no-repeat;background-size: contain;margin-right:7px;} */

.sclistall:nth-of-type(1) .llstda p b{width:23px;height: 22px;background: url(../lhimages/icon404.png) no-repeat;background-size: contain;margin-right:5px;}
.sclistall:nth-of-type(2) .llstda p b{width:22px;height: 22px;background: url(../lhimages/icon403.png) no-repeat;background-size: contain;margin-right:8px;}
.sclistall:nth-of-type(3) .llstda p b{width:18px;height: 18px;background: url(../lhimages/icon402.png) no-repeat;background-size: contain;margin-right:10px;}
.sclistall:nth-of-type(4) .llstda p b{width:20px;height: 23px;background: url(../lhimages/icon401.png) no-repeat;background-size: contain;margin-right:8px;}
.sclistall:nth-of-type(5) .llstda p b{width:20px;height: 18px;background: url(../lhimages/icon400.png) no-repeat;background-size: contain;margin-right:7px;}
.sclistall:nth-of-type(6) .llstda p b{width:21px;height: 19px;background: url(../lhimages/icon399.png) no-repeat;background-size: contain;margin-right:7px;}
.sclistall:nth-of-type(7) .llstda p b{width:21px;height: 21px;background: url(../lhimages/icon398.png) no-repeat;background-size: contain;margin-right:7px;}



.sclcomputer.hover .llstda p b{background: url(../lhimages/icon404_click.png) no-repeat;background-size: contain;}
.scllinux.hover .llstda p b{background: url(../lhimages/icon403_click.png) no-repeat;background-size: contain;}
.sclweb.hover .llstda p b{background: url(../lhimages/icon402_click.png) no-repeat;background-size: contain;}
.sclsql.hover .llstda p b{background: url(../lhimages/icon401_click.png) no-repeat;background-size: contain;}
.sclhd.hover .llstda p b{background: url(../lhimages/icon400_click.png) no-repeat;background-size: contain;}
.sclqd.hover .llstda p b{background: url(../lhimages/icon399_click.png) no-repeat;background-size: contain;}
.sclall.hover .llstda p b{background: url(../lhimages/icon398_click.png) no-repeat;background-size: contain;}
.sclistall:nth-of-type(1).hover .llstda p b{background: url(../lhimages/icon404_click.png) no-repeat;background-size: contain;}

.stpds-time b{width:25px;height: 25px;background: url(../lhimages/icon388.png) no-repeat;background-size: contain;margin: 0 10px 0 0;}
.stpds-down b{width:22px;height: 22px;background: url(../lhimages/icon389.png) no-repeat;background-size: contain;margin: 0 10px 0 0;}
.stpds-qes b{width:25px;height: 25px;background: url(../lhimages/icon390.png) no-repeat;background-size: contain;margin: 0 10px 0 0;}
.stpds-reason b{width:25px;height: 21px;background: url(../lhimages/icon391.png) no-repeat;background-size: contain;margin: 0 10px 0 0;}
.teachd-right:hover b{background: url(../lhimages/icon386.png) no-repeat;background-size: contain;}
.teachd-right b{width:13px;height: 13px;background: url(../lhimages/icon385.png) no-repeat;background-size: contain;margin: 0 4px 0 0;}
.ztcldh b {width: 21px;height: 15px;background: url(../lhimages/icon270.png) no-repeat;background-size: contain;margin: 0 3px 0 0;}
.ztclddTime b {width: 18px;height: 18px;background: url(../lhimages/icon272.png) no-repeat;background-size: contain;margin: 0 3px 0 0;}
.ztclddRead b {width: 17px;height: 18px;background: url(../lhimages/icon271.png) no-repeat;background-size: contain;margin: 0 3px 0 0;}
.title-left b,.readCharts .title-left b,.rightDowns .title-left b,.llatopleft b,.rightStudy .title-left b,.technology-news .title-left b{width: 25px;height: 24px;background: url(../lhimages/icon328.png) no-repeat;background-size: contain;margin: 0 10px 0 0;}
.stlist-item dl dd.cont1 span a b{background:url(../lhimages/icon381.png) no-repeat;width:14px;height:15px;background-size: contain;margin:0 3px 0 0;}
.stlist-item dl dd.cont1 span.collected a b{background:url(../lhimages/icon382.png) no-repeat;width:14px;height:15px;background-size: contain;margin:0 3px 0 0;}
.sttl-tab.new b{background:url(../lhimages/icon379.png) no-repeat;width:19px;height:20px;background-size: contain;}
.sttl-tab.new.check b{background:url(../lhimages/icon379_check.png) no-repeat;width:19px;height:20px;background-size: contain;}
.sttl-tab.hot b{background:url(../lhimages/icon380.png) no-repeat;width:18px;height:20px;background-size: contain;}
.sttl-tab.hot.check  b{background:url(../lhimages/icon380_check.png) no-repeat;width:18px;height:20px;background-size: contain;}