body{
    background: #F7F8FA;
}

/* 页面标题区（选课中心 · 大厂式页头） */
.ll_hero{
    width: 1200px;
    margin: 0 auto;
    padding: 96px 0 20px;
}
.ll_hero .ll_crumb{
    font-size: 13px;
    color: #B0B0B0;
    margin-bottom: 14px;
}
.ll_hero .ll_crumb a{ color: #8C8C8C; }
.ll_hero .ll_crumb span{ margin: 0 6px; color: #D0D4DA; }
.ll_hero .ll_h1{
    font-size: 30px;
    font-weight: 700;
    color: #1A1A1A;
    letter-spacing: -.02em;
    line-height: 1.25;
}
.ll_hero .ll_sub{
    margin-top: 10px;
    font-size: 14px;
    color: #8C8C8C;
    letter-spacing: .01em;
}

.less_top{
    width: 100%;
    background: #fff;
    margin-top: 0;
    padding-bottom: 10px;
}
.less_top .middle{
    width: 1200px;
    margin: 0 auto;
    font-size: 14px;
}
.less_top .middle .ul{
    clear: both;
    overflow: hidden;
    margin-top: 10px;
}
.less_top .middle .ul .left{
    float: left;
}
.less_top .middle .ul .right{
    float: left;
    width: 1120px;
}
.less_top .middle .ul .right .li{
    float: left;
    padding: 5px 16px;
    border-radius: 999px;
    margin-left: 10px;
    margin-bottom: 10px;
    cursor:pointer;
    font-size: 13px;
    line-height: 1.5;
}

.active{
    background: #FF6A00;
    color: #fff;
}

.active:hover{
    background: #FF6A00;
    color: #fff;
}



.less_list{
    width: 1200px;
    margin: 0 auto;
    clear: both;
    overflow: hidden;
    padding-bottom: 40px;
}

/* 4 列弹性网格（取代原 float 3 列） */
.less_list ul{
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    padding: 24px 0 10px;
    overflow: visible;
    clear: none;
}
.less_list ul li{
    width: calc((100% - 72px) / 4);
    height: auto;
    background: #fff;
    box-shadow: 0 1px 2px rgba(17,24,39,.04), 0 4px 12px rgba(17,24,39,.06);
    float: none;
    margin: 0;
    box-sizing: border-box;
}
.less_list ul li .content{
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.less_list ul li .content .top{
    width: 100%;
    height: 152px;
    flex-shrink: 0;
}
.less_list ul li .content .top .tip{
    width: 46px;
    height: 24px;
    color: #fff;
    background:#fd3949;
    border-radius: 0 0 10px 0;
    font-size: 11px;
    text-align: center;
    line-height: 24px;
}
.less_list ul li .content .top .tip text{
    border: 0px solid transparent !important;
}
.less_list ul li .content .title{
    margin: 0 auto;
    font-size: 15px;
    letter-spacing: .2px;
    width: 90%;
    margin-top: 12px;
    /*text-overflow: -o-ellipsis-lastline;*/
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    height: 44px;
    line-height: 22px;
    font-weight: 600;
}

.less_list ul li .content .information{
    margin-top: 8px;
    height: 18px;
    padding: 0 5%;
    box-sizing: border-box;
}
.less_list ul li .content .information .text1{
    font-size: 12px;
    color: #969696;
}
.less_list ul li .content .information .text2{
    color: #FF8A33;
    margin-left: 8px;
    position: relative;
    top: 1px;
    font-size: 12px;
}
.less_list ul li .content .information img{
    width: 13px;
    margin-left: 12px;
    position: relative;
    top: 2px;
}
/* 底部：从绝对定位改为 flex 贴底，卡片高度自适应且底部对齐 */
.less_list ul li .content .bottom{
    position: static;
    margin-top: auto;
    width: auto;
    left: auto;
    bottom: auto;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 5% 14px;
    box-sizing: border-box;
    border-top: 1px solid #F4F5F7;
}
.less_list ul li .content .bottom .img1{
    width: 24px;
    height: 24px;
    border-radius: 50%;
    flex-shrink: 0;
}
.less_list ul li .content .bottom .name{
    margin-left: 2px;
    position: static;
    bottom: auto;
    font-size: 12px;
    color: #8C8C8C;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}
.less_list ul li .content .bottom .mian{
    display: inline-block;
    float: none;
    margin-left: auto;
    width: auto;
    height: 26px;
    padding: 0 14px;
    background: #FF6A00;
    border-radius: 999px;
    line-height: 26px;
    text-align: center;
    color: #ffffff;
    font-size: 12px;
    font-weight: 500;
    flex-shrink: 0;
}
.less_list ul li .content .bottom .mi{
    float: none;
    margin-left: auto;
    color: #FF6A00;
    font-size: 13px;
    position: static;
    top: auto;
    flex-shrink: 0;
}
.less_list ul li .content .bottom .money{
    float: none;
    margin-left: auto;
    color: #FF6A00;
    font-size: 14px;
    font-weight: 700;
    position: static;
    top: auto;
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
}

.less_list ul li .content .bottom .text{
    float: none;
    margin-left: auto;
    color: #FF6A00;
    font-size: 13px;
    position: static;
    top: auto;
    flex-shrink: 0;
}


.less_list .look_more{
    width: auto;
    min-width: 148px;
    height: 40px;
    border: 1px solid #E5E7EB;
    background: #fff;
    margin: 0 auto;
    border-radius: 999px;
    text-align: center;
    line-height: 38px;
    font-size: 14px;
    color: #4A4A4A;
    margin-top: 28px;
    padding: 0 22px;
    box-sizing: border-box;
    cursor: pointer;
    box-shadow: 0 1px 2px rgba(17,24,39,.04);
    transition: all .2s cubic-bezier(.4,0,.2,1);
}
.less_list .look_more:hover{
    color: #FF6A00;
    border-color: #FFE8D6;
    box-shadow: 0 4px 12px rgba(255,106,0,.16);
    transform: translateY(-1px);
}