/* 卓仕课程作业与资讯：独立作用域，不影响现有课程与支付页面。 */
.zs-news-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}.zs-news-content,.zs-sidebar{min-width:0}.zs-news-content>.zs-card:first-child{margin-top:0}.zs-sidebar .zs-card{margin:0 0 20px;padding:22px}.zs-side-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.zs-sidebar .zs-side-heading h2{font-size:18px;margin:0}.zs-side-heading>a{font-size:13px;color:#2567b3;white-space:nowrap}.zs-side-state{font-size:14px;color:#778398;padding:12px 0;margin:0}.zs-side-news{display:flex;gap:10px;padding:12px 0;border-bottom:1px solid #edf0f5;line-height:1.65;font-size:14px;overflow-wrap:anywhere}.zs-side-news:last-child,.zs-side-course:last-child{border-bottom:0}.zs-side-rank{color:#778398;flex-shrink:0;width:18px}.zs-side-news:nth-child(-n+3) .zs-side-rank{color:#0065ff;font-weight:bold}.zs-side-course{display:flex;flex-direction:column;gap:7px;padding:14px 0;border-bottom:1px solid #edf0f5}.zs-side-course strong{font-size:15px;font-weight:500;line-height:1.65;overflow-wrap:anywhere}.zs-side-course .zs-muted,.zs-side-action{font-size:13px}.zs-side-action{color:#2567b3}.zs-side-news:hover,.zs-side-course:hover strong{color:#0065ff}.zs-sidebar .zs-empty{padding:12px 0;font-size:14px}
@media(max-width:900px){.zs-news-layout{grid-template-columns:minmax(0,1fr);gap:20px}.zs-sidebar .zs-card{padding:20px 16px}.zs-news-content>.zs-card:last-child{margin-bottom:0}}
.zs-page .zs-region-filter{align-items:flex-start;flex-wrap:nowrap}.zs-region-filter>strong{padding-top:6px}.zs-region-filter>.zs-actions{flex:1;min-width:0;gap:8px}.zs-region-filter .zs-chip{padding:5px 12px}.zs-chip:focus-visible{outline:2px solid #0065ff;outline-offset:2px}.zs-meta .zs-views{white-space:nowrap}
@media(max-width:900px){.zs-page .zs-region-filter{flex-direction:column}.zs-region-filter>.zs-actions{width:100%;gap:8px}.zs-region-filter>strong{padding-top:0}.zs-region-filter .zs-chip{padding:5px 10px}}
body.zs-page{margin:0;background:#f5f7fb;color:#243247;font:15px/1.7 "Microsoft YaHei",sans-serif;min-width:0}
.zs-page *{box-sizing:border-box}.zs-page a{color:inherit;text-decoration:none}.zs-page button,.zs-page input,.zs-page select,.zs-page textarea{font:inherit}
.zs-main{max-width:1180px;margin:32px auto 70px;padding:0 24px;min-height:65vh}.zs-breadcrumb{color:#758195;font-size:14px;margin-bottom:20px}.zs-hero{margin:24px 0}.zs-hero h1{font-size:30px;margin:0 0 8px;letter-spacing:1px}.zs-muted,.zs-meta{color:#778398}.zs-card{background:#fff;border:1px solid #e7ecf4;border-radius:14px;padding:28px;margin:20px 0;box-shadow:0 5px 20px rgba(36,70,120,.025)}.zs-card h2{font-size:20px;margin:0 0 18px}.zs-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.zs-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.zs-card select{padding:7px 10px;border:1px solid #dce4f0;border-radius:6px;background:white;color:#243247}.zs-card hr{border:0;border-top:1px solid #e7ecf4;margin:24px 0}
.zs-btn{display:inline-block;border:1px solid #dce4f0;border-radius:8px;background:#fff;color:#2567b3;padding:9px 18px;cursor:pointer;text-align:center}.zs-btn.primary{background:#0065ff;border-color:#0065ff;color:white}.zs-btn:disabled{opacity:.5;cursor:wait}.zs-btn:hover:not(:disabled){filter:brightness(.96)}.zs-chip{display:inline-block;border:0;border-radius:6px;padding:6px 13px;background:#f1f5fb;color:#53627a;cursor:pointer}.zs-chip.active{background:#e9f1ff;color:#0065ff}.zs-filter{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:14px 0}.zs-filter strong{width:56px;flex-shrink:0}.zs-filter select{max-width:100%;padding:8px;border:1px solid #dce4f0;border-radius:6px;background:white}
.zs-item{padding:22px 0;border-bottom:1px solid #edf0f5}.zs-item:last-child{border-bottom:0}.zs-item h2,.zs-item h3{margin:0 0 8px;font-size:18px;font-weight:500;overflow-wrap:anywhere}.zs-item a:hover{color:#0065ff}.zs-meta{font-size:13px;display:flex;gap:16px;flex-wrap:wrap}.zs-tag{font-size:12px;color:#2567b3;background:#edf4ff;border-radius:4px;padding:3px 9px}.zs-pagination{display:flex;justify-content:center;gap:16px;align-items:center;margin:24px 0}.zs-empty{padding:40px 12px;text-align:center;color:#778398}.zs-error{color:#b63838}.zs-footer{text-align:center;padding:25px;border-top:1px solid #e7ecf4;color:#7d8999;background:white}
.zs-article h1{font-size:28px;line-height:1.5;margin:0 0 18px;overflow-wrap:anywhere}.zs-abstract{background:#f6f8fc;padding:18px;border-left:3px solid #0065ff;margin:24px 0}.zs-rich{font-size:16px;line-height:1.95;overflow-wrap:anywhere;overflow-x:auto}.zs-rich img{max-width:100%!important;height:auto!important}.zs-rich table{max-width:100%;border-collapse:collapse}.zs-rich td,.zs-rich th{border:1px solid #dce4f0;padding:8px}.zs-rich p{margin:12px 0}.zs-rich a{color:#0065ff}.zs-login-gate{text-align:center;background:#f0f5ff;border-radius:12px;padding:30px;margin:24px 0}.zs-login-gate p{margin:0 0 14px}.zs-prevnext{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px}.zs-prevnext a{padding:16px;background:#f6f8fc;border-radius:8px;overflow-wrap:anywhere}
.zs-photos{display:flex;flex-wrap:wrap;gap:12px;margin:15px 0}.zs-photo{position:relative;width:130px}.zs-photo img{width:130px;height:130px;object-fit:cover;border-radius:8px;cursor:zoom-in}.zs-photo button{position:absolute;right:4px;top:4px;background:white;border:0;border-radius:4px;cursor:pointer}.zs-page textarea{width:100%;min-height:220px;padding:15px;border:1px solid #dce4f0;border-radius:8px;resize:vertical}.zs-page input[type=file]{max-width:100%}.zs-notice{padding:14px 18px;background:#f2f6fc;border-radius:8px;margin:16px 0}.zs-page audio,.zs-page video{display:block;max-width:100%;margin:12px 0}.zs-feedback{white-space:pre-wrap}.zs-lightbox{position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:1000;display:flex;align-items:center;justify-content:center;padding:35px}.zs-lightbox img{max-width:100%;max-height:90vh;object-fit:contain}.zs-lightbox button{position:absolute;right:20px;top:12px;font-size:30px;color:white;background:none;border:0;cursor:pointer}.zs-toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);z-index:1100;background:#243247;color:white;padding:12px 20px;border-radius:8px;max-width:90vw}.zs-hidden{display:none!important}
@media(max-width:900px){.zs-main{margin:20px auto 40px;padding:0 14px}.zs-card{padding:20px 16px;border-radius:10px}.zs-hero h1{font-size:25px}.zs-article h1{font-size:23px}.zs-prevnext{grid-template-columns:1fr}.zs-filter{gap:8px}.zs-filter strong{width:100%}.zs-item h2,.zs-item h3{font-size:17px}.zs-photo,.zs-photo img{width:95px}.zs-photo img{height:95px}.zs-pagination{gap:10px}.zs-pagination .zs-btn{padding:8px 12px}}

/* News recommendations use the current site's course covers and visual identity. */
#zs-side-courses{display:grid;gap:16px}
.zs-sidebar .zs-course-card{display:block;padding:0;border:1px solid #e7ecf4;border-radius:10px;overflow:hidden;background:#fff;transition:box-shadow .18s,border-color .18s}
.zs-course-cover{display:block;position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:#edf3fc}
.zs-course-cover img{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:cover}
.zs-course-cover-fallback{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;background:linear-gradient(135deg,#edf4ff,#e4eaf5);color:#244571}
.zs-course-cover-fallback>span{font-size:22px;font-weight:600;letter-spacing:3px}.zs-course-cover-fallback>small{font-size:11px;color:#8a724d;letter-spacing:4px}
.zs-course-body{display:flex;flex-direction:column;gap:10px;padding:14px}
.zs-course-body strong{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.6;min-height:48px;font-weight:600}
.zs-course-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:#7d8999;font-size:12px}
.zs-course-type{padding:2px 7px;border-radius:4px;color:#2567b3;background:#edf4ff}
.zs-course-body .zs-side-action{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #edf0f5;padding-top:10px;font-size:13px}
.zs-course-card:hover,.zs-course-card:focus-visible{border-color:#b8cdeb;box-shadow:0 6px 18px rgba(37,103,179,.09)}
.zs-course-card:focus-visible{outline:2px solid #2567b3;outline-offset:3px}
@media(min-width:560px) and (max-width:900px){#zs-side-courses{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(prefers-reduced-motion:reduce){.zs-sidebar .zs-course-card{transition:none}}

/* Shared learning-page polish; homepage and download retain their own layouts. */
.zs-page:not(.home-page) .zs-main{max-width:1464px;margin:18px auto 52px;padding:0 32px}
.zs-page:not(.home-page) .zs-breadcrumb{font-size:12px;margin-bottom:14px;color:#687e96}
.zs-page:not(.home-page) .zs-breadcrumb a:hover{color:#245e9b}
.zs-page:not(.home-page) .zs-hero{margin:12px 0 20px;padding:22px 26px;background:linear-gradient(110deg,#193652,#2d567c);border:1px solid #345979;border-radius:12px;color:#fff;position:relative;overflow:hidden}
.zs-page:not(.home-page) .zs-hero:after{content:"";position:absolute;width:240px;height:240px;border:30px solid #ffffff04;border-radius:50%;right:15%;top:-125px;pointer-events:none}
.zs-page:not(.home-page) .zs-hero h1{font-size:27px;margin:4px 0 5px;letter-spacing:.5px}
.zs-page:not(.home-page) .zs-hero .zs-muted{color:#c6d8e9;margin:0;font-size:13px}
.zs-eyebrow{font-size:11px;letter-spacing:2px;color:#e6c38b}
.zs-news-hero{display:flex;align-items:center;justify-content:space-between;gap:24px}
.zs-hero-shortcuts{display:flex;gap:12px;z-index:1}.zs-hero-shortcuts a{padding:12px 16px;border:1px solid #ffffff30;background:#ffffff0a;border-radius:7px;font-size:13px;display:flex;gap:12px;align-items:center;color:#edf5fc}.zs-hero-shortcuts a:hover{background:#ffffff18;border-color:#e0bd82}.zs-hero-shortcuts a>span:first-child{color:#e4c28d;font-size:18px}
.zs-page:not(.home-page) .zs-card{border-color:#dae4ef;box-shadow:0 5px 20px #213f6405;padding:24px;border-radius:12px}
.zs-news-layout{grid-template-columns:minmax(0,1fr) 310px;gap:22px}
.zs-page .zs-filter-card{padding:18px 24px;background:linear-gradient(110deg,#fff,#f8fbff)}
.zs-filter-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid #e0e8f2;padding-bottom:12px;margin-bottom:6px;color:#264b72;font-size:14px}
.zs-filter-heading>strong:before,.zs-list-heading h2:before{content:"";display:inline-block;width:4px;height:15px;vertical-align:-2px;background:#b98e4f;border-radius:2px;margin-right:9px}
.zs-reset{border:0;background:none;color:#476b91;font-size:12px!important;cursor:pointer;padding:6px 0}.zs-reset:disabled{opacity:.5;cursor:default}.zs-reset:hover:not(:disabled){color:#143b69}
.zs-filter{margin:10px 0;align-items:flex-start;flex-wrap:nowrap;gap:14px}.zs-filter>strong{font-size:12px;color:#6c8098;padding-top:6px;line-height:1.7}.zs-filter>.zs-actions{flex:1;min-width:0;gap:6px}
.zs-chip,.zs-region-filter .zs-chip{padding:5px 11px;font-size:12px;background:transparent;color:#566c86;border:1px solid transparent}.zs-chip:hover{background:#edf3fa}.zs-chip.active{background:#244f7c;color:#fff;box-shadow:0 3px 7px #244f7c18}
.zs-list-heading{display:flex;align-items:center;justify-content:space-between;gap:14px}.zs-card .zs-list-heading h2{font-size:20px;margin:0;color:#203f61}.zs-list-heading>span{font-size:11px;color:#7b8ba0;white-space:nowrap}
.zs-selection-summary{font-size:12px;color:#647b96;background:#eff4fa;border:1px solid #e4ebf4;border-radius:6px;margin:16px 0 2px;padding:8px 12px;overflow-wrap:anywhere}
.zs-item{padding:21px 10px;border-bottom:1px solid #e6edf5;position:relative;border-radius:5px}.zs-item:hover{background:linear-gradient(90deg,#f2f6fc,#fff)}.zs-item h2,.zs-item h3{font-size:18px;line-height:1.65;font-weight:600;color:#274565}.zs-item h2 a:before{content:"";display:inline-block;width:6px;height:6px;background:#b99862;vertical-align:3px;margin-right:10px;border-radius:2px}.zs-item .zs-meta{gap:12px;font-size:12px;align-items:center}.zs-item .zs-meta>span:first-child:not(.zs-views){padding:2px 8px;background:#edf3fa;border-radius:4px;color:#40658c}.zs-meta .zs-views:before{content:"";display:inline-block;width:12px;height:8px;border:1px solid #8b9bb0;border-radius:70% 20%;transform:rotate(35deg);margin-right:6px;vertical-align:0}
.zs-sidebar .zs-card{padding:20px!important;overflow:hidden}.zs-side-heading{margin:-20px -20px 8px;padding:16px 20px;background:linear-gradient(110deg,#e9f1fb,#f9fbfe);border-bottom:1px solid #e2eaf3}.zs-sidebar .zs-side-heading h2{font-size:17px;color:#234567}.zs-side-heading h2:before{content:"";display:inline-block;width:4px;height:14px;vertical-align:-1px;background:#b28b4c;margin-right:8px;border-radius:2px}.zs-side-heading>a{font-size:11px}.zs-side-rank{width:22px;height:22px;line-height:22px;text-align:center;border-radius:5px;background:#edf2f8;color:#7a8da3;font-size:11px;margin-top:2px}.zs-side-news:nth-child(-n+3) .zs-side-rank{background:#2a577f;color:#fff}.zs-side-news:first-child .zs-side-rank{background:#b1894f}.zs-side-news{font-size:13px;padding:13px 0;color:#3e5774}
.zs-sidebar .zs-course-card{margin-top:10px;border-color:#dce6f1}.zs-course-type{background:#eaf1fa!important;color:#315f8e!important}.zs-side-action{color:#315e8b}
.zs-page:not(.home-page) .zs-article{padding:30px;border-top:4px solid #315c86}.zs-article h1{font-size:28px;color:#203e5d}.zs-article>.zs-row{border-bottom:1px solid #e3eaf3;padding-bottom:20px;margin-bottom:22px}.zs-article .zs-rich{color:#34465b}.zs-abstract{background:#f5f0e7;border-color:#b58b4c;color:#776044}
#zs-collect{border-color:#d9bc90;background:#faf3e7;color:#87622d;font-size:13px}#zs-collect:before{content:"☆";margin-right:7px}
.zs-login-gate{background:linear-gradient(110deg,#e9f1fc,#f4f7fc);border:1px solid #d4e2f2}
.zs-page:not(.home-page) .zs-btn.primary{background:#285982;border-color:#285982}.zs-prevnext a{background:#fff;border:1px solid #dce5f0;color:#426487;font-size:13px}
.zs-page:not(.home-page) .zs-footer{font-size:12px;background:#edf2f8;color:#667e98}
@media(max-width:960px){.zs-page:not(.home-page) .zs-main{padding:0 20px}.zs-news-layout{grid-template-columns:minmax(0,1fr) 270px;gap:16px}.zs-hero-shortcuts a{padding:10px 12px}}
@media(max-width:900px){.zs-news-layout{grid-template-columns:1fr}.zs-page:not(.home-page) .zs-main{margin-top:14px;padding:0 16px}.zs-page:not(.home-page) .zs-card{padding:20px}.zs-page:not(.home-page) .zs-hero{padding:20px}.zs-page:not(.home-page) .zs-hero h1{font-size:24px}.zs-filter>strong{width:40px;flex-shrink:0}.zs-page .zs-region-filter{flex-direction:row}.zs-region-filter>strong{padding-top:6px}.zs-sidebar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.zs-sidebar .zs-card{margin-bottom:0}.zs-page:not(.home-page) .zs-article{padding:24px}.zs-article h1{font-size:24px}}
@media(max-width:560px){.zs-news-hero{display:block}.zs-hero-shortcuts{margin-top:16px;gap:10px}.zs-hero-shortcuts a{font-size:12px;padding:8px 12px}.zs-hero-shortcuts a>span:first-child{font-size:15px}.zs-eyebrow{font-size:10px}.zs-sidebar{display:block}.zs-sidebar .zs-card{margin-bottom:16px}.zs-page:not(.home-page) .zs-main{padding:0 12px}.zs-page:not(.home-page) .zs-card{padding:18px 14px}.zs-page:not(.home-page) .zs-hero{padding:18px}.zs-filter{gap:6px}.zs-filter>strong{width:33px;font-size:11px}.zs-filter>.zs-actions{gap:4px}.zs-chip,.zs-region-filter .zs-chip{padding:4px 8px;font-size:11px}.zs-list-heading{align-items:flex-start}.zs-card .zs-list-heading h2{font-size:17px}.zs-list-heading>span{font-size:10px;padding-top:5px}.zs-item{padding:18px 3px}.zs-item h2,.zs-item h3{font-size:16px}.zs-item .zs-meta{font-size:11px;gap:8px}.zs-page:not(.home-page) .zs-article{padding:22px 18px}.zs-article h1{font-size:22px}.zs-article .zs-rich{font-size:15px}.zs-selection-summary{font-size:11px}}