:root{--base-common-color:#f47b33;--base-header-height:78px;--el-component-size:36px;--article-title-size:40px;--article-title-mob-size:24px;--article-content-size:18px;--article-content-mob-size:16px;--img-description-size:14px;--article-content-h1-size:30px;--article-content-h1-mob-size:22px;--article-content-h2-size:25px;--article-content-h2-mob-size:18px;--article-content-h3-size:21px;--article-content-h3-mob-size:16px;--article-content-h4-size:18px;--article-content-h4-mob-size:14px;--article-content-h5-size:14px;--article-content-h6-size:12px;--textarea-slight-bg-color:#f5f2f0;--textarea-slight-border-color:#e8e8e8;--textarea-border-color:#ccc}.el-pagination{color:#303133;font-weight:700;padding:2px 5px;white-space:nowrap}.el-pagination:after,.el-pagination:before{content:"";display:table}.el-pagination:after{clear:both}.el-pagination button,.el-pagination span:not([class*=suffix]){box-sizing:border-box;display:inline-block;font-size:13px;height:28px;line-height:28px;min-width:35.5px;vertical-align:top}.el-pagination .el-input__inner{-moz-appearance:textfield;line-height:normal;text-align:center}.el-pagination .el-input__suffix{right:0;transform:scale(.8)}.el-pagination .el-select .el-input{margin:0 5px;width:100px}.el-pagination .el-select .el-input .el-input__inner{border-radius:3px;padding-right:25px}.el-pagination button{background:0 0;border:none;padding:0 6px}.el-pagination button:focus{outline:0}.el-pagination button:hover{color:#409eff}.el-pagination button:disabled{background-color:#fff;color:#c0c4cc;cursor:not-allowed}.el-pagination .btn-next,.el-pagination .btn-prev{background:50% no-repeat #fff;background-size:16px;color:#303133;cursor:pointer;margin:0}.el-pagination .btn-next .el-icon,.el-pagination .btn-prev .el-icon{display:block;font-size:12px;font-weight:700}.el-pagination .btn-prev{padding-right:12px}.el-pagination .btn-next{padding-left:12px}.el-pagination .el-pager li.disabled{color:#c0c4cc;cursor:not-allowed}.el-pagination--small .btn-next,.el-pagination--small .btn-prev,.el-pagination--small .el-pager li,.el-pagination--small .el-pager li.btn-quicknext,.el-pagination--small .el-pager li.btn-quickprev,.el-pagination--small .el-pager li:last-child{border-color:transparent;font-size:12px;height:22px;line-height:22px;min-width:22px}.el-pagination--small .arrow.disabled{visibility:hidden}.el-pagination--small .more:before,.el-pagination--small li.more:before{line-height:24px}.el-pagination--small button,.el-pagination--small span:not([class*=suffix]){height:22px;line-height:22px}.el-pagination--small .el-pagination__editor,.el-pagination--small .el-pagination__editor.el-input .el-input__inner{height:22px}.el-pagination__sizes{color:#606266;font-weight:400;margin:0 10px 0 0}.el-pagination__sizes .el-input .el-input__inner{font-size:13px;padding-left:8px}.el-pagination__sizes .el-input .el-input__inner:hover{border-color:#409eff}.el-pagination__total{color:#606266;font-weight:400;margin-right:10px}.el-pagination__jump{color:#606266;font-weight:400;margin-left:24px}.el-pagination__jump .el-input__inner{padding:0 3px}.el-pagination__rightwrapper{float:right}.el-pagination__editor{border-radius:3px;box-sizing:border-box;height:28px;line-height:18px;margin:0 2px;padding:0 2px;text-align:center}.el-pager,.el-pagination.is-background .btn-next,.el-pagination.is-background .btn-prev{padding:0}.el-pagination__editor.el-input{width:50px}.el-pagination__editor.el-input .el-input__inner{height:28px}.el-pagination__editor .el-input__inner::-webkit-inner-spin-button,.el-pagination__editor .el-input__inner::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.el-pagination.is-background .btn-next,.el-pagination.is-background .btn-prev,.el-pagination.is-background .el-pager li{background-color:#f4f4f5;border-radius:2px;color:#606266;margin:0 5px;min-width:30px}.el-pagination.is-background .btn-next.disabled,.el-pagination.is-background .btn-next:disabled,.el-pagination.is-background .btn-prev.disabled,.el-pagination.is-background .btn-prev:disabled,.el-pagination.is-background .el-pager li.disabled{color:#c0c4cc}.el-pagination.is-background .el-pager li:not(.disabled):hover{color:#409eff}.el-pagination.is-background .el-pager li:not(.disabled).active{background-color:#409eff;color:#fff}.el-pagination.is-background.el-pagination--small .btn-next,.el-pagination.is-background.el-pagination--small .btn-prev,.el-pagination.is-background.el-pagination--small .el-pager li{margin:0 3px;min-width:22px}.el-time-spinner__wrapper .el-scrollbar__wrap:not(.el-scrollbar__wrap--hidden-default){padding-bottom:15px}.el-collapse{border-bottom:1px solid #ebeef5;border-top:1px solid #ebeef5}.el-collapse-item.is-disabled .el-collapse-item__header{color:#bbb;cursor:not-allowed}.el-collapse-item__header{align-items:center;background-color:#fff;border-bottom:1px solid #ebeef5;color:#303133;cursor:pointer;display:flex;font-size:13px;font-weight:500;height:48px;line-height:48px;outline:0;transition:border-bottom-color .3s}.el-collapse-item__arrow{font-weight:300;margin:0 8px 0 auto;transition:transform .3s}.el-collapse-item__arrow.is-active{transform:rotate(90deg)}.el-collapse-item__header.focusing:focus:not(:hover){color:#409eff}.el-collapse-item__header.is-active{border-bottom-color:transparent}.el-collapse-item__wrap{background-color:#fff;border-bottom:1px solid #ebeef5;box-sizing:border-box;overflow:hidden;will-change:height}.el-collapse-item__content{color:#303133;font-size:13px;line-height:1.769230769230769;padding-bottom:25px}.el-collapse-item:last-child{margin-bottom:-1px}.el-scrollbar{overflow:hidden;position:relative}.el-scrollbar:active>.el-scrollbar__bar,.el-scrollbar:focus>.el-scrollbar__bar,.el-scrollbar:hover>.el-scrollbar__bar{opacity:1;transition:opacity .34s ease-out}.el-scrollbar__wrap{height:100%;overflow:scroll}.el-scrollbar__wrap--hidden-default{scrollbar-width:none}.el-scrollbar__wrap--hidden-default::-webkit-scrollbar{height:0;width:0}.el-scrollbar__thumb{background-color:hsla(220,4%,58%,.3);border-radius:inherit;cursor:pointer;display:block;height:0;position:relative;transition:background-color .3s;width:0}.el-scrollbar__thumb:hover{background-color:hsla(220,4%,58%,.5)}.el-scrollbar__bar{border-radius:4px;bottom:2px;opacity:0;position:absolute;right:2px;transition:opacity .12s ease-out;z-index:1}.el-scrollbar__bar.is-vertical{top:2px;width:6px}.el-scrollbar__bar.is-vertical>div{width:100%}.el-scrollbar__bar.is-horizontal{height:6px;left:2px}.el-scrollbar,.el-scrollbar__bar.is-horizontal>div{height:100%}.el-scrollbar .el-scrollbar__wrap{overflow-x:hidden}.article_detail a{border-bottom:1px solid #000;color:#000;font-weight:inherit;outline:none;-webkit-text-decoration:none;text-decoration:none}.article_detail h1,.article_detail h2,.article_detail h3,.article_detail h4,.article_detail h5,.article_detail h6{padding-bottom:3px;padding-top:3px}.article_detail h1{font-size:30px;font-size:var(--article-content-h1-size);margin-bottom:4px;margin-top:32px}.article_detail h2{font-size:25px;font-size:var(--article-content-h2-size);margin-bottom:1px;margin-top:32px}.article_detail h3{font-size:21px;font-size:var(--article-content-h3-size);margin-bottom:1px;margin-top:32px}.article_detail h4{font-size:18px;font-size:var(--article-content-h4-size);margin-bottom:1px;margin-top:16px}.article_detail h5{color:#6c6c6c;font-size:14px;font-size:var(--article-content-h5-size);font-weight:600;line-height:20px;margin:10px 0 32px}.article_detail img{display:block;margin:7px auto;max-width:100%}.article_detail hr,.article_detail pre{margin-bottom:20px}.article_detail ul{list-style:inside;margin:6px 0}.article_detail ul li{color:#000;font-size:18px;font-size:var(--article-content-size);font-weight:400;letter-spacing:0;line-height:33px;padding:3px 0;text-align:justify}.article_detail ol{list-style-position:inside;list-style-type:decimal;margin:4px 0}.article_detail ol li{color:#000;font-size:18px;font-size:var(--article-content-size);font-weight:400;letter-spacing:0;line-height:33px;padding:3px 0;text-align:justify}.article_detail div[data-w-e-type=video]{margin-bottom:20px;text-align:center}.article_detail div[data-w-e-type=video] video{margin:10px 0;max-width:100%;width:100%}.article_detail table{border-collapse:collapse;border-spacing:0;margin-bottom:20px;margin-top:20px}.article_detail table tr th{background-color:#f5f2f0;background-color:var(--textarea-slight-bg-color);cursor:auto;font-weight:700;text-align:center}.article_detail table tr td,.article_detail table tr th{border:1px solid #ccc;border:1px solid var(--textarea-border-color);line-height:1.5;min-width:30px;padding:3px 5px}.article_detail table tr td{text-align:left}.article_detail code{word-wrap:normal;background-color:#f5f2f0;background-color:var(--textarea-slight-bg-color);border:1px solid #e8e8e8;border:1px solid var(--textarea-slight-border-color);border-radius:4px 4px;display:block;font-size:14px;-webkit-hyphens:none;hyphens:none;line-height:1.5;margin:.5em 0;overflow:auto;padding:10px;-moz-tab-size:4;-o-tab-size:4;tab-size:4;text-align:left;text-indent:0;text-shadow:0 1px #fff;white-space:pre;word-break:normal;word-spacing:normal}.article_detail code,.article_detail p{font-size:18px;font-size:var(--article-content-size)}.article_detail p{color:#000;font-weight:400;letter-spacing:0;line-height:33px;padding:3px 0;text-align:justify}@media screen and (max-width:639px){.article_detail h1,.article_detail h2,.article_detail h3,.article_detail h4,.article_detail h5,.article_detail h6{padding:25px 0}.article_detail h1{font-size:22px;font-size:var(--article-content-h1-mob-size)}.article_detail h2{font-size:18px;font-size:var(--article-content-h2-mob-size)}.article_detail h3{font-size:16px;font-size:var(--article-content-h3-mob-size)}.article_detail h4{font-size:14px;font-size:var(--article-content-h4-mob-size)}.article_detail h5{font-size:var(--article-content-h5-mob-size);font-weight:600}.article_detail code,.article_detail ol li,.article_detail p,.article_detail ul li{font-size:16px;font-size:var(--article-content-mob-size)}}.study_booklets{height:100%;overflow:hidden}.study_booklets .booklets_content{margin:0 auto;padding:22px 47px 200px}.study_booklets .booklets_content .booklets_swiper .el-carousel .el-carousel__container .el-carousel__item img{height:100%;width:100%}.study_booklets .booklets_content .check_search_sort{margin-top:81px}.study_booklets .booklets_content .check_search_sort ul{align-items:center;display:flex;flex-direction:row;justify-content:flex-start}.study_booklets .booklets_content .check_search_sort ul li+li{margin-left:42px}.study_booklets .booklets_content .check_search_sort ul li a{border-bottom:2px solid transparent;border-top:2px solid transparent;color:#2e2e2e;display:inline-block;font-size:16px;font-weight:500;letter-spacing:0;line-height:22px}.study_booklets .booklets_content .check_search_sort ul li.active a{border-bottom:2px solid #0b0b0b}.study_booklets .booklets_content .check_search_sort ul li:last-child.active a .triangle-content .triangle.top_active{border-bottom:5px solid #f47b33;border-bottom:5px solid var(--base-common-color)}.study_booklets .booklets_content .check_search_sort ul li:last-child.active a .triangle-content .triangle.bottom_active{border-top:5px solid #f47b33;border-top:5px solid var(--base-common-color)}.study_booklets .booklets_content .check_search_sort ul li:last-child a{align-items:center;display:flex;flex-direction:row;justify-content:flex-start}.study_booklets .booklets_content .check_search_sort ul li:last-child a .triangle-content{margin-left:5px}.study_booklets .booklets_content .check_search_sort ul li:last-child a .triangle-content .triangle{border:5px solid transparent;height:0;width:0}.study_booklets .booklets_content .check_search_sort ul li:last-child a .triangle-content .triangle.top{border-bottom:5px solid #c4c4c4}.study_booklets .booklets_content .check_search_sort ul li:last-child a .triangle-content .triangle.bottom{border-top:5px solid #c4c4c4;margin-top:4px}@media screen and (min-width:1536px){.study_booklets .booklets_content{max-width:1536px}}@media screen and (min-width:1280px) and (max-width:1535px){.study_booklets .booklets_content{max-width:1280px}}@media screen and (min-width:1024px) and (max-width:1279px){.study_booklets .booklets_content{max-width:1024px}}@media screen and (min-width:768px) and (max-width:1023px){.study_booklets .booklets_content{max-width:768px}}@media screen and (min-width:640px) and (max-width:767px){.study_booklets .booklets_content{max-width:640px}}@media screen and (max-width:639px){.study_booklets .booklets_content{padding:0 0 110px}.study_booklets .booklets_content .check_search_sort{margin-top:30px;padding:0 20px}.study_booklets .booklets_content .check_search_sort ul li+li{margin-left:20px}.study_booklets .booklets_content .check_search_sort ul li a{color:#999;display:inline-block;font-size:14px;font-weight:500;letter-spacing:0}.study_booklets .booklets_content .check_search_sort ul li:last-child.active a .triangle-content .triangle.top_active{border-bottom:3px solid #f47b33;border-bottom:3px solid var(--base-common-color)}.study_booklets .booklets_content .check_search_sort ul li:last-child.active a .triangle-content .triangle.bottom_active{border-top:3px solid #f47b33;border-top:3px solid var(--base-common-color)}.study_booklets .booklets_content .check_search_sort ul li:last-child a{align-items:center;display:flex;flex-direction:row;justify-content:flex-start}.study_booklets .booklets_content .check_search_sort ul li:last-child a .triangle-content .triangle{border:3px solid transparent;height:0;width:0}.study_booklets .booklets_content .check_search_sort ul li:last-child a .triangle-content .triangle.top{border-bottom:3px solid #c4c4c4}.study_booklets .booklets_content .check_search_sort ul li:last-child a .triangle-content .triangle.bottom{border-top:3px solid #c4c4c4}}.booklets_box{min-height:420px;padding-top:59px}.booklets_box .booklet_list{grid-column-gap:100px;grid-row-gap:160px;-moz-column-gap:100px;column-gap:100px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));row-gap:160px}.booklets_box .empty{padding:120px 20px 0;text-align:center}@media screen and (min-width:768px) and (max-width:1023px){.booklets_box .booklet_list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media screen and (min-width:640px) and (max-width:767px){.booklets_box .booklet_list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media screen and (max-width:639px){.booklets_box{min-height:300px;padding-top:11px}.booklets_box .booklet_list{-moz-column-gap:32px;column-gap:32px;grid-template-columns:repeat(2,minmax(0,1fr));padding:0 20px;row-gap:70px}.booklets_box .empty{padding:70px 0 0}.booklets_box .empty .svg-icon{height:200px!important;width:200px!important}}.booklet_item{width:100%}.booklet_item.loaded .img_cover img{background-color:transparent}.booklet_item .img_cover{font-size:0;padding:0 5px}.booklet_item .img_cover img{background-color:#f3f3f3;max-width:100%}.booklet_item .title{color:#000;font-size:20px;line-height:28px;padding-top:35px;white-space:nowrap}.booklet_item .introduction,.booklet_item .title{font-weight:400;letter-spacing:0;overflow:hidden;text-overflow:ellipsis}.booklet_item .introduction{-webkit-box-orient:vertical;-webkit-line-clamp:2;color:#7b7b7b;display:-webkit-box;font-size:14px;line-height:20px;min-height:50px;padding-top:10px;word-break:break-all}.booklet_item .info{align-items:center;display:flex;padding-top:14px}.booklet_item .info .price{color:#03c9de;font-size:18px;font-weight:700;letter-spacing:.51px;padding-right:27px}.booklet_item .info .over{color:#7b7b7b;font-size:13px;font-weight:500;letter-spacing:0;line-height:1}@media screen and (max-width:639px){.booklet_item .title{color:#000;font-size:16px;font-weight:400;letter-spacing:0;line-height:22px;padding-top:19px;white-space:normal}.booklet_item .introduction{-webkit-line-clamp:3;color:#999;font-size:14px;font-weight:400;letter-spacing:0;line-height:20px;padding-top:8px}.booklet_item .info{display:block;padding-top:10px}.booklet_item .info .price{color:#33d0e0;font-size:16px;font-weight:700;letter-spacing:.46px;padding-right:0}.booklet_item .info .over{color:#999;font-size:13px;font-weight:500;letter-spacing:0;line-height:1;padding-top:6px}}.el-pagination{align-items:center;display:flex;flex-direction:row;justify-content:space-between;margin-top:149px;position:relative}.el-pagination:after,.el-pagination:before{display:none}.el-pagination button{border:2px solid #070707;border-radius:23px;height:46px;padding:0;width:90px}.el-pagination button:disabled{opacity:0}.el-pagination button span{color:#070707;font-size:16px;font-weight:400;letter-spacing:0}.el-pagination .paginationNum{color:#000;font-size:16px;font-weight:400;left:50%;letter-spacing:0;line-height:13px;position:absolute;top:50%;transform:translate(-50%,-50%)}@media screen and (max-width:639px){.el-pagination{margin-top:110px;padding:0 20px}.el-pagination button{height:36px;width:80px}.el-pagination button span{color:#070707;font-size:14px;font-weight:400;letter-spacing:0}.el-pagination .paginationNum{color:#000;font-size:16px;font-weight:400;left:50%;letter-spacing:0;line-height:13px;position:absolute;top:50%;transform:translate(-50%,-50%)}}.study_booklet{height:100%}.study_booklet.po_study_booklet{position:static}.study_booklet.po_study_booklet .booklet_content .booklet_container{position:relative}.study_booklet.po_study_booklet .booklet_content .booklet_container .booklet_left{left:0!important}.study_booklet .booklet_content{margin:0 auto;min-height:calc(100vh - 78px);padding:0 200px 194px}.study_booklet .booklet_content .booklet_container{padding-left:553px;padding-top:50px}.study_booklet .booklet_content .booklet_container .booklet_left{padding-bottom:50px;padding-top:80px;position:absolute;width:320px}.study_booklet .booklet_content .booklet_container .booklet_left .cover{font-size:0;margin:0 auto;width:280px}.study_booklet .booklet_content .booklet_container .booklet_left .cover img{width:100%}.study_booklet .booklet_content .booklet_container .booklet_left .fun{align-items:center;display:flex;justify-content:center;padding-top:83px}.study_booklet .booklet_content .booklet_container .booklet_left .fun .el-button{align-items:center;border:none;border-radius:8px;color:#fff;display:flex;font-size:16px;font-weight:500;height:48px;justify-content:center;letter-spacing:0;line-height:13px;padding:0;width:148px}.study_booklet .booklet_content .booklet_container .booklet_left .fun .el-button+.el-button,.study_booklet .booklet_content .booklet_container .booklet_left .fun .el-button+a{margin-left:24px}.study_booklet .booklet_content .booklet_container .booklet_left .fun .el-button.el-button--primary{background:#33d0e0}.study_booklet .booklet_content .booklet_container .booklet_left .fun .el-button.el-button--default{background:#fff;border:2px solid #111;color:#171717}.study_booklet .booklet_content .booklet_container .booklet_right .title{color:#000;font-size:28px;font-weight:500;letter-spacing:0;line-height:40px}.study_booklet .booklet_content .booklet_container .booklet_right .introduction{color:#999;font-size:16px;font-weight:500;letter-spacing:0;line-height:30px;padding-top:20px}.study_booklet .booklet_content .booklet_container .booklet_right .price{color:#33d0e0;font-size:20px;font-weight:700;letter-spacing:.57px;line-height:25px;padding-top:20px}.study_booklet .booklet_content .booklet_container .booklet_right .border{border-top:1px solid #f5f5f5;margin-top:60px;padding-top:40px}.study_booklet .booklet_content .booklet_container .booklet_right .border>h2{color:#000;font-size:18px;font-weight:500;letter-spacing:0;line-height:25px}.study_booklet .booklet_content .booklet_container .booklet_right .highlights ul{padding-top:20px}.study_booklet .booklet_content .booklet_container .booklet_right .highlights ul li{color:#999;font-size:16px;font-weight:500;letter-spacing:0;line-height:30px}.study_booklet .booklet_content .booklet_container .booklet_right .authors ul{padding-top:20px}.study_booklet .booklet_content .booklet_container .booklet_right .authors ul li+li{margin-top:40px}.study_booklet .booklet_content .booklet_container .booklet_right .authors ul li .info{align-items:center;display:flex}.study_booklet .booklet_content .booklet_container .booklet_right .authors ul li .info .avatar{border-radius:28px;flex:0 0 28px;font-size:0;height:28px;overflow:hidden}.study_booklet .booklet_content .booklet_container .booklet_right .authors ul li .info .avatar img{height:100%;width:100%}.study_booklet .booklet_content .booklet_container .booklet_right .authors ul li .info .name{color:#000;flex:1;font-size:16px;font-weight:500;letter-spacing:0;line-height:13px;padding-left:12px}.study_booklet .booklet_content .booklet_container .booklet_right .authors ul li .desc{color:#999;font-size:16px;font-weight:500;letter-spacing:0;line-height:30px;padding-top:13px}.study_booklet .booklet_content .booklet_container .booklet_right .chapter>h2{align-items:center;display:flex;flex-direction:row;justify-content:space-between}.study_booklet .booklet_content .booklet_container .booklet_right .chapter>h2 .ms{align-items:center;display:flex;flex-direction:row;justify-content:center}.study_booklet .booklet_content .booklet_container .booklet_right .chapter>h2 .ms span{color:#999;font-size:13px;font-weight:500;letter-spacing:0;line-height:13px}.study_booklet .booklet_content .booklet_container .booklet_right .chapter>h2 .ms span+span{padding-left:5px}.study_booklet .booklet_content .booklet_container .booklet_right .chapter .el-collapse{border:none;padding-top:41px}.study_booklet .booklet_content .booklet_container .booklet_right .chapter .el-collapse .el-collapse-item+.el-collapse-item{margin-top:22px}.study_booklet .booklet_content .booklet_container .booklet_right .chapter .el-collapse .el-collapse-item .el-collapse-item__header{border:none;color:#000;font-size:14px;font-weight:500;height:auto;letter-spacing:0;line-height:20px}.study_booklet .booklet_content .booklet_container .booklet_right .chapter .el-collapse .el-collapse-item .el-collapse-item__header .el-collapse-item__arrow{color:#000;font-weight:700}.study_booklet .booklet_content .booklet_container .booklet_right .chapter .el-collapse .el-collapse-item .el-collapse-item__wrap{border:none;padding-bottom:11px;padding-left:10px;padding-top:32px}.study_booklet .booklet_content .booklet_container .booklet_right .chapter .el-collapse .el-collapse-item .el-collapse-item__wrap .el-collapse-item__content{padding-bottom:0}.study_booklet .booklet_content .booklet_container .booklet_right .chapter .el-collapse .el-collapse-item .el-collapse-item__wrap .el-collapse-item__content ul li+li{margin-top:30px}.study_booklet .booklet_content .booklet_container .booklet_right .chapter .el-collapse .el-collapse-item .el-collapse-item__wrap .el-collapse-item__content ul li a h2{color:#000;font-size:14px;font-weight:500;letter-spacing:0;line-height:13px}.study_booklet .booklet_content .booklet_container .booklet_right .chapter .el-collapse .el-collapse-item .el-collapse-item__wrap .el-collapse-item__content ul li a .chapter_title{align-items:flex-start;display:flex;flex-direction:row;justify-content:space-between}.study_booklet .booklet_content .booklet_container .booklet_right .chapter .el-collapse .el-collapse-item .el-collapse-item__wrap .el-collapse-item__content ul li a .chapter_title h3{color:#999;font-size:14px;font-weight:500;letter-spacing:.6px;line-height:20px;padding-top:7px}.study_booklet .booklet_content .booklet_container .booklet_right .chapter .el-collapse .el-collapse-item .el-collapse-item__wrap .el-collapse-item__content ul li a .chapter_title .icon{align-items:center;display:flex;flex-direction:row;font-size:0;height:36px;justify-content:center;line-height:1;margin-left:23px;width:36px}.study_booklet .booklet_content .booklet_container .booklet_right .crowd p,.study_booklet .booklet_content .booklet_container .booklet_right .frequency p{color:#999;font-size:16px;font-weight:500;letter-spacing:.6px;line-height:30px;padding-top:20px}.study_booklet .booklet_content .booklet_container .booklet_right .crowd .crowd_code{font-size:0;height:120px;margin-top:20px;width:120px}.study_booklet .booklet_content .booklet_container .booklet_right .crowd .crowd_code img{width:100%}.study_booklet .booklet_content .booklet_container .booklet_right .question ul{padding-top:20px}.study_booklet .booklet_content .booklet_container .booklet_right .question ul li+li{margin-top:20px}.study_booklet .booklet_content .booklet_container .booklet_right .question ul li h3,.study_booklet .booklet_content .booklet_container .booklet_right .question ul li p{color:#999;font-size:16px;font-weight:500;letter-spacing:.6px;line-height:30px}.study_booklet .booklet_content .booklet_container .booklet_right .question ul li h3 a,.study_booklet .booklet_content .booklet_container .booklet_right .question ul li p a{color:#34d6e7}@media screen and (min-width:1536px){.study_booklet .booklet_content{max-width:1536px}}@media screen and (min-width:1280px) and (max-width:1535px){.study_booklet .booklet_content{max-width:1280px}}@media screen and (min-width:1024px) and (max-width:1279px){.study_booklet .booklet_content{max-width:1024px}.study_booklet .booklet_content .booklet_container{padding-left:0}.study_booklet .booklet_content .booklet_container .booklet_left{position:static;width:100%}}@media screen and (min-width:768px) and (max-width:1023px){.study_booklet .booklet_content{max-width:768px;min-height:calc(100vh - 106px);padding:0 100px 194px}.study_booklet .booklet_content .booklet_container{padding-left:0}.study_booklet .booklet_content .booklet_container .booklet_left{position:static;width:100%}}@media screen and (min-width:640px) and (max-width:767px){.study_booklet .booklet_content{max-width:640px;min-height:calc(100vh - 106px);padding:0 50px 194px}.study_booklet .booklet_content .booklet_container{padding-left:0}.study_booklet .booklet_content .booklet_container .booklet_left{position:static;width:100%}}@media screen and (max-width:639px){.study_booklet{padding-bottom:76px}.study_booklet .booklet_content{min-height:calc(100vh - 106px);padding:0 20px 120px}.study_booklet .booklet_content .booklet_container{padding-left:0}.study_booklet .booklet_content .booklet_container .booklet_left{padding-bottom:30px;padding-top:0;position:static;width:100%}.study_booklet .booklet_content .booklet_container .booklet_left .cover{width:120px}.study_booklet .booklet_content .booklet_container .booklet_left .cover img{width:100%}.study_booklet .booklet_content .booklet_container .booklet_left .fun{align-items:center;background-color:#fff;bottom:0;display:flex;justify-content:space-around;left:0;padding:14px 15px;position:fixed;width:100%;z-index:999}.study_booklet .booklet_content .booklet_container .booklet_left .fun .el-button{align-items:center;display:flex;height:48px;padding:0;width:138px}.study_booklet .booklet_content .booklet_container .booklet_right .title{color:#000;font-size:18px;font-weight:500;letter-spacing:0;line-height:25px}.study_booklet .booklet_content .booklet_container .booklet_right .introduction{color:#999;font-size:14px;font-weight:500;letter-spacing:.52px;line-height:20px;padding-top:10px}.study_booklet .booklet_content .booklet_container .booklet_right .price{color:#33d0e0;font-size:18px;font-weight:700;letter-spacing:.51px;line-height:23px;padding-top:8px}.study_booklet .booklet_content .booklet_container .booklet_right .border{margin-top:52px;padding-top:50px}.study_booklet .booklet_content .booklet_container .booklet_right .border>h2{color:#000;font-size:16px;font-weight:500;letter-spacing:0;line-height:22px}.study_booklet .booklet_content .booklet_container .booklet_right .highlights ul{padding-top:22px}.study_booklet .booklet_content .booklet_container .booklet_right .highlights ul li{color:#999;font-size:15px;font-weight:500;letter-spacing:.52px}.study_booklet .booklet_content .booklet_container .booklet_right .authors ul{padding-top:24px}.study_booklet .booklet_content .booklet_container .booklet_right .authors ul li+li{margin-top:50px}.study_booklet .booklet_content .booklet_container .booklet_right .authors ul li .info{align-items:center;display:flex}.study_booklet .booklet_content .booklet_container .booklet_right .authors ul li .info .avatar{border-radius:20px;flex:0 0 20px;height:20px}.study_booklet .booklet_content .booklet_container .booklet_right .authors ul li .info .name{color:#000;font-size:14px;font-weight:500;letter-spacing:0;line-height:13px;padding-left:10px}.study_booklet .booklet_content .booklet_container .booklet_right .authors ul li .desc{color:#999;font-size:14px;font-weight:500;letter-spacing:.52px;line-height:30px;padding-top:10px}.study_booklet .booklet_content .booklet_container .booklet_right .chapter .el-collapse{padding-top:46px}.study_booklet .booklet_content .booklet_container .booklet_right .chapter .el-collapse .el-collapse-item+.el-collapse-item{margin-top:33px}.study_booklet .booklet_content .booklet_container .booklet_right .chapter .el-collapse .el-collapse-item .el-collapse-item__header{color:#000;font-size:14px;font-weight:500;letter-spacing:0;line-height:13px}.study_booklet .booklet_content .booklet_container .booklet_right .chapter .el-collapse .el-collapse-item .el-collapse-item__wrap{border:none;padding-bottom:0;padding-left:0;padding-top:32px}.study_booklet .booklet_content .booklet_container .booklet_right .chapter .el-collapse .el-collapse-item .el-collapse-item__wrap .el-collapse-item__content ul li+li{margin-top:30px}.study_booklet .booklet_content .booklet_container .booklet_right .chapter .el-collapse .el-collapse-item .el-collapse-item__wrap .el-collapse-item__content ul li a .chapter_title .icon{margin-left:20px}.study_booklet .booklet_content .booklet_container .booklet_right .frequency p{line-height:30px}.study_booklet .booklet_content .booklet_container .booklet_right .crowd p,.study_booklet .booklet_content .booklet_container .booklet_right .frequency p{color:#999;font-size:14px;font-weight:500;letter-spacing:.52px;padding-top:22px}.study_booklet .booklet_content .booklet_container .booklet_right .question ul{padding-top:20px}.study_booklet .booklet_content .booklet_container .booklet_right .question ul li+li{margin-top:20px}.study_booklet .booklet_content .booklet_container .booklet_right .question ul li h3,.study_booklet .booklet_content .booklet_container .booklet_right .question ul li p{color:#999;font-size:14px;font-weight:500;letter-spacing:.52px}}.study_chapter{height:100%;overflow:hidden}.study_chapter .chapter_content{height:100%}.study_chapter .chapter_content .chapter_container{align-items:flex-start;display:flex;flex-direction:row;height:100%;justify-content:flex-start;padding:0 0 0 30px}.study_chapter .chapter_content .chapter_container .showChapter{display:none}.study_chapter .chapter_content .chapter_container .booklet_info{align-items:flex-start;display:flex;flex:0 0 305px;flex-direction:column;height:100%;justify-content:flex-start;padding-top:31px}.study_chapter .chapter_content .chapter_container .booklet_info .closeChapter{display:none}.study_chapter .chapter_content .chapter_container .booklet_info .booklet_title{color:#000;font-size:18px;font-weight:500;letter-spacing:0;line-height:25px;padding-top:23px;width:273px}.study_chapter .chapter_content .chapter_container .booklet_info .author{border-bottom:1px solid #f3f3f3;padding-bottom:31px;padding-top:10px;width:273px}.study_chapter .chapter_content .chapter_container .booklet_info .author a{align-items:center;display:flex;flex-direction:row;justify-content:flex-start}.study_chapter .chapter_content .chapter_container .booklet_info .author a .avatar{border-radius:18px;flex:0 0 18px;font-size:0;height:18px;overflow:hidden}.study_chapter .chapter_content .chapter_container .booklet_info .author a .avatar img{height:100%;width:100%}.study_chapter .chapter_content .chapter_container .booklet_info .author a .name{color:#070707;font-size:13px;font-weight:500;letter-spacing:0;line-height:18px;padding-left:6px}.study_chapter .chapter_content .chapter_container .booklet_info .author a .professional{color:#999;font-size:13px;font-weight:500;letter-spacing:0;line-height:18px;margin-left:6px;padding-left:6px;position:relative}.study_chapter .chapter_content .chapter_container .booklet_info .author a .professional:before{background-color:#f3f3f3;content:"";display:inline-block;height:11px;left:0;position:absolute;top:50%;transform:translateY(-50%);width:1px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box{flex:1;overflow:hidden;width:100%}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul{padding:30px 0;width:273px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li+li{margin-top:78px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li>h2{color:#000;font-size:14px;font-weight:500;letter-spacing:0;line-height:20px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li .chapter_list{padding-left:16px;padding-top:33px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li .chapter_list .chapter_item a h2{color:#999;font-size:13px;font-weight:500;letter-spacing:0;line-height:13px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li .chapter_list .chapter_item a h2 span{padding-left:19px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li .chapter_list .chapter_item a .chapter_title{align-items:flex-start;display:flex;flex-direction:row;justify-content:space-between}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li .chapter_list .chapter_item a .chapter_title h3{color:#202020;font-size:14px;font-weight:500;letter-spacing:0;line-height:20px;padding-top:6px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li .chapter_list .chapter_item a .chapter_title .icon{align-items:center;display:flex;flex-direction:row;font-size:0;height:36px;justify-content:center;line-height:1;margin-left:12px;width:36px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li .chapter_list .chapter_item.active a .chapter_title h3,.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li .chapter_list .chapter_item.active a h2{color:#00d9ea}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li .chapter_list .chapter_item+.chapter_item{margin-top:31px}.study_chapter .chapter_content .chapter_container .chapter_info{flex:1;height:100%;overflow:hidden}@media screen and (min-width:1024px) and (max-width:1279px){.study_chapter .chapter_content .chapter_container{padding:0}.study_chapter .chapter_content .chapter_container .showChapter{align-items:center;background-color:#fff;border:2px solid #f4f4f4;border-radius:23px;bottom:26px;color:#333;cursor:pointer;display:flex;flex-direction:row;font-size:14px;font-weight:400;height:36px;justify-content:center;left:20px;letter-spacing:0;position:fixed;width:80px;z-index:1000}.study_chapter .chapter_content .chapter_container .showChapter span{padding-left:4px}.study_chapter .chapter_content .chapter_container .booklet_info{background-color:#fff;height:100%;left:0;padding:33px 0 0;position:fixed;top:0;width:100%;z-index:9999}.study_chapter .chapter_content .chapter_container .booklet_info .closeChapter{cursor:pointer;display:block;position:absolute;right:20px;top:33px}.study_chapter .chapter_content .chapter_container .booklet_info .booklet_title{padding:0 20px;width:100%}.study_chapter .chapter_content .chapter_container .booklet_info .author{border-bottom:none;padding:10px 20px 0;width:100%}.study_chapter .chapter_content .chapter_container .booklet_info .author a{border-bottom:1px solid #f3f3f3;padding-bottom:31px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul{padding:30px 20px;width:100%}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li+li{margin-top:33px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li .chapter_list{padding-left:0;padding-top:32px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li .chapter_list .chapter_item+.chapter_item{margin-top:30px}}@media screen and (min-width:768px) and (max-width:1023px){.study_chapter .chapter_content .chapter_container{padding:0}.study_chapter .chapter_content .chapter_container .showChapter{align-items:center;background-color:#fff;border:2px solid #f4f4f4;border-radius:23px;bottom:26px;color:#333;cursor:pointer;display:flex;flex-direction:row;font-size:14px;font-weight:400;height:36px;justify-content:center;left:20px;letter-spacing:0;position:fixed;width:80px;z-index:1000}.study_chapter .chapter_content .chapter_container .showChapter span{padding-left:4px}.study_chapter .chapter_content .chapter_container .booklet_info{background-color:#fff;height:100%;left:0;padding:33px 0 0;position:fixed;top:0;width:100%;z-index:9999}.study_chapter .chapter_content .chapter_container .booklet_info .closeChapter{cursor:pointer;display:block;position:absolute;right:20px;top:33px}.study_chapter .chapter_content .chapter_container .booklet_info .booklet_title{padding:0 20px;width:100%}.study_chapter .chapter_content .chapter_container .booklet_info .author{border-bottom:none;padding:10px 20px 0;width:100%}.study_chapter .chapter_content .chapter_container .booklet_info .author a{border-bottom:1px solid #f3f3f3;padding-bottom:31px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul{padding:30px 20px;width:100%}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li+li{margin-top:33px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li .chapter_list{padding-left:0;padding-top:32px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li .chapter_list .chapter_item+.chapter_item{margin-top:30px}}@media screen and (min-width:640px) and (max-width:767px){.study_chapter .chapter_content .chapter_container{padding:0}.study_chapter .chapter_content .chapter_container .showChapter{align-items:center;background-color:#fff;border:2px solid #f4f4f4;border-radius:23px;bottom:26px;color:#333;cursor:pointer;display:flex;flex-direction:row;font-size:14px;font-weight:400;height:36px;justify-content:center;left:20px;letter-spacing:0;position:fixed;width:80px;z-index:1000}.study_chapter .chapter_content .chapter_container .showChapter span{padding-left:4px}.study_chapter .chapter_content .chapter_container .booklet_info{background-color:#fff;height:100%;left:0;padding:33px 0 0;position:fixed;top:0;width:100%;z-index:9999}.study_chapter .chapter_content .chapter_container .booklet_info .closeChapter{cursor:pointer;display:block;position:absolute;right:20px;top:33px}.study_chapter .chapter_content .chapter_container .booklet_info .booklet_title{padding:0 20px;width:100%}.study_chapter .chapter_content .chapter_container .booklet_info .author{border-bottom:none;padding:10px 20px 0;width:100%}.study_chapter .chapter_content .chapter_container .booklet_info .author a{border-bottom:1px solid #f3f3f3;padding-bottom:31px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul{padding:30px 20px;width:100%}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li+li{margin-top:33px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li .chapter_list{padding-left:0;padding-top:32px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li .chapter_list .chapter_item+.chapter_item{margin-top:30px}}@media screen and (max-width:639px){.study_chapter .chapter_content .chapter_container{padding:0}.study_chapter .chapter_content .chapter_container .showChapter{align-items:center;background-color:#fff;border:2px solid #f4f4f4;border-radius:23px;bottom:26px;color:#333;cursor:pointer;display:flex;flex-direction:row;font-size:14px;font-weight:400;height:36px;justify-content:center;left:20px;letter-spacing:0;position:fixed;width:80px;z-index:1000}.study_chapter .chapter_content .chapter_container .showChapter span{padding-left:4px}.study_chapter .chapter_content .chapter_container .booklet_info{background-color:#fff;height:100%;left:0;padding:33px 0 0;position:fixed;top:0;width:100%;z-index:9999}.study_chapter .chapter_content .chapter_container .booklet_info .closeChapter{cursor:pointer;display:block;position:absolute;right:20px;top:33px}.study_chapter .chapter_content .chapter_container .booklet_info .booklet_title{padding:0 20px;width:100%}.study_chapter .chapter_content .chapter_container .booklet_info .author{border-bottom:none;padding:10px 20px 0;width:100%}.study_chapter .chapter_content .chapter_container .booklet_info .author a{border-bottom:1px solid #f3f3f3;padding-bottom:31px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul{padding:30px 20px;width:100%}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li+li{margin-top:33px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li .chapter_list{padding-left:0;padding-top:32px}.study_chapter .chapter_content .chapter_container .booklet_info .chapter_box ul li .chapter_list .chapter_item+.chapter_item{margin-top:30px}}.detail_content{height:100%;overflow:hidden}.detail_content .detail_container{margin:0 auto;padding-right:30px;padding-top:31px;position:relative}.detail_content .detail_container.noPurchase .check_chapter{margin-top:0}.detail_content .detail_container .title{color:#000;font-size:40px;font-size:var(--article-title-size);font-weight:700;letter-spacing:0;line-height:56px}.detail_content .detail_container .time{color:#999;font-size:14px;font-weight:400;letter-spacing:.8px;line-height:20px;padding-top:16px}.detail_content .detail_container .article_detail{padding-bottom:46px;padding-top:46px}.detail_content .detail_container .article_detail img:not(.loaded){background-color:#f3f3f3}.detail_content .detail_container .writing{padding-bottom:100px;padding-top:126px;text-align:center}.detail_content .detail_container .writing .kong_wcz{transform:rotateX(180deg)}.detail_content .detail_container .writing p{color:#999;font-size:14px;font-weight:500;letter-spacing:.8px;line-height:20px;padding-top:30px}.detail_content .detail_container .detail_modal{background-image:linear-gradient(180deg,hsla(0,0%,100%,0),#fff,#fff);margin-top:-300px;padding:389px 0 144px;position:relative;z-index:999}.detail_content .detail_container .detail_modal .pay,.detail_content .detail_container .detail_modal .pay .el-button{align-items:center;display:flex;flex-direction:row;justify-content:center}.detail_content .detail_container .detail_modal .pay .el-button{border:none;border-radius:10px;color:#fff;font-size:14px;font-weight:500;height:38px;letter-spacing:0;line-height:13px;padding:0;width:142px}.detail_content .detail_container .detail_modal .pay .el-button.el-button--primary{background:#33d0e0}.detail_content .detail_container .detail_modal .ms{color:#999;font-size:14px;font-weight:500;letter-spacing:.8px;line-height:20px;padding-top:20px;text-align:center}.detail_content .detail_container .check_chapter{align-items:center;border-top:1px solid #f2f2f2;display:flex;flex-direction:row;justify-content:space-between;margin-top:130px;padding:40px 0 70px}.detail_content .detail_container .check_chapter .next_chapter,.detail_content .detail_container .check_chapter .prev_chapter{overflow:hidden}.detail_content .detail_container .check_chapter .next_chapter a,.detail_content .detail_container .check_chapter .prev_chapter a{align-items:center;display:flex;flex-direction:row;gap:10px;justify-content:flex-start}.detail_content .detail_container .check_chapter .next_chapter a span,.detail_content .detail_container .check_chapter .prev_chapter a span{color:#343434;font-size:14px;font-weight:400;letter-spacing:0;line-height:33px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.detail_content .detail_container .check_chapter .prev_chapter a .svg-icon{transform:rotate(180deg)}.detail_content .detail_container .check_chapter .next_chapter{margin-left:40px}.detail_content .detail_container .check_chapter .next_chapter a{flex-direction:row-reverse}@media screen and (min-width:1536px){.detail_content .detail_container{max-width:974px}}@media screen and (min-width:1280px) and (max-width:1535px){.detail_content .detail_container{max-width:708px}}@media screen and (min-width:1024px) and (max-width:1279px){.detail_content .detail_container{max-width:708px;padding-right:0}}@media screen and (min-width:768px) and (max-width:1023px){.detail_content .detail_container{max-width:708px;padding-bottom:62px;padding-right:0}}@media screen and (min-width:640px) and (max-width:767px){.detail_content .detail_container{max-width:708px;padding:35px 20px 62px}}@media screen and (max-width:639px){.detail_content .detail_container{padding:35px 20px 62px}.detail_content .detail_container .title{color:#000;font-size:24px;font-size:var(--article-title-mob-size);font-weight:700;letter-spacing:0;line-height:33px}.detail_content .detail_container .time{color:#999;font-size:13px;font-weight:400;letter-spacing:0;line-height:18px;padding-top:32px}.detail_content .detail_container .article_detail{padding-bottom:32px;padding-top:32px}.detail_content .detail_container .writing{padding-bottom:80px;padding-top:100px}.detail_content .detail_container .writing .svg-icon{height:200px!important;width:200px!important}.detail_content .detail_container .detail_modal{margin-top:-180px;padding:200px 0 80px;position:relative;z-index:999}.detail_content .detail_container .check_chapter{margin-top:100px;padding:40px 0}}body:has(.study_chapter) main{flex:none;height:calc(100vh - 88px);overflow:hidden}body:has(.study_chapter) footer{display:none}.detail_content .detail_container .article_detail img.media-loaded{background-color:transparent}.el-collapse-item__arrow.el-icon-arrow-right:before{border-bottom:1.5px solid;border-right:1.5px solid;content:"";display:block;height:6px;transform:rotate(-45deg);width:6px}@media screen and (max-width:1279px){.study_chapter .chapter_content .chapter_container .booklet_info{display:none}.study_chapter .chapter_content .chapter_container.is-open .booklet_info{display:flex}}.article_detail h1,.article_detail h2,.article_detail h3,.article_detail h4,.article_detail h6{font-weight:700}.detail_content .detail_container .article_detail img{height:auto}.detail_content .detail_container .article_detail img.media-loading,.detail_content .detail_container .article_detail video.media-loading{background-color:#f2f2f2;background-image:linear-gradient(90deg,#f2f2f2 25%,#ececec 37%,#f2f2f2 63%);background-size:400% 100%;animation:media-shimmer 1.4s ease infinite}.detail_content .detail_container .article_detail img.media-loading:not([width]),.detail_content .detail_container .article_detail video.media-loading:not([width]){min-height:140px}@media screen and (min-width:1536px){.detail_content .detail_container{max-width:860px}}.detail_content .detail_container .article_detail img.media-loaded,.detail_content .detail_container .article_detail video.media-loaded{animation:media-fade-in .35s ease both}