@charset "UTF-8";
:root{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-size:16px;line-height:1.6;color:#292d35;font-synthesis:none;--ink:#292d35;--muted:#8b919c;--line:#e7e9ee;--paper:#fff;--accent:#dc593b;--accent-light:#fff0e9;--bg:#f3f4f7}
*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden}body{background:var(--bg);-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit;color:inherit}button,a,input,select{touch-action:manipulation;-webkit-tap-highlight-color:transparent}button{cursor:pointer;background:none;border:0}a{text-decoration:none;color:inherit}button:disabled{opacity:.35;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #e57754;outline-offset:4px}button,a{transition:background .15s,box-shadow .15s,transform .15s}svg{width:22px;height:22px;vertical-align:middle;flex-shrink:0}h1,h2,h3,p{margin:0}h1{font-size:24px;line-height:1.5;letter-spacing:-.7px}h2{font-size:20px;line-height:1.5}input,select{min-width:0}button{min-height:40px}a,button{color:inherit}.skip-link{position:fixed;z-index:100;left:20px;top:-90px;background:#242832;color:white;padding:12px 18px}.skip-link:focus{top:10px}.app-frame{height:100dvh;display:flex;flex-direction:column;max-width:1920px;margin:auto}.app-header{height:88px;min-height:88px;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 40px;gap:25px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;min-width:185px}.brand-mark{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:#303139;color:white;box-shadow:0 4px 8px #292d3512}.brand-mark svg{width:24px;height:24px}.brand b{display:block;font-size:23px;line-height:1.2;letter-spacing:1px}.brand small{display:block;font-size:12px;letter-spacing:1.5px;color:#969ba4;margin-top:7px}.desktop-nav{display:flex;gap:12px;padding:5px;background:#f5f6f8;border-radius:13px}.nav-button{display:flex;gap:9px;align-items:center;justify-content:center;border-radius:9px;padding:10px 24px;color:#8e939e;font-size:15px;min-height:43px;position:relative}.nav-button svg{width:18px;height:18px}.nav-button.active{background:#fff;color:var(--ink);box-shadow:0 3px 10px #2a324b0d;font-weight:600}.nav-button.active svg{color:var(--accent)}.nav-button b{font-size:12px;background:#ffe9df;color:#b95031;min-width:21px;padding:1px 5px;border-radius:5px}.about-button{display:flex;align-items:center;gap:8px;font-size:14px;color:#858c99;min-width:140px;justify-content:flex-end}.about-button svg{width:18px;height:18px}.mobile-nav{display:none}main{flex:1;min-height:0;padding:28px 40px 32px;display:flex;flex-direction:column;overflow:hidden;gap:18px}main>*{flex-shrink:0}.home-grid{flex:1;min-height:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr));gap:22px}.home-tile{text-align:left;border-radius:24px;padding:28px 30px 24px;display:flex;flex-direction:column;min-height:0;overflow:hidden;position:relative;color:#303038}.home-tile:hover{transform:translateY(-3px);box-shadow:0 12px 28px #3b2c3012}.home-tile:active{transform:scale(.992)}.tile-xueke{background:#ffc8a9}.tile-shiyan{background:#b9d9ff}.tile-tejiao{background:#bde4c8}.tile-ai{background:#d8c4ff}.tile-yuedu{background:#fac4d5}.tile-keji{background:#ffe297}.tile-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:auto;gap:12px}.tile-number{font-size:15px;font-weight:500;letter-spacing:2px;color:#34313a80}.tile-mark{background:#ffffff55;width:52px;height:52px;display:grid;place-items:center;border-radius:17px}.tile-mark svg{width:27px;height:27px;stroke-width:1.5}.tile-title{padding:17px 0 20px}.tile-title h1{font-size:31px;font-weight:650;letter-spacing:-.5px}.tile-title p{font-size:14px;color:#383943a6;margin-top:8px}.tile-bottom{display:flex;justify-content:space-between;align-items:end;border-top:1px solid #ffffff66;padding-top:17px;gap:10px}.tile-bottom>span:first-child{font-size:22px;font-weight:650;letter-spacing:-.5px}.tile-bottom small{font-size:12px;letter-spacing:0;font-weight:400;color:#39353dab;margin-left:3px}.tile-enter{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:500;white-space:nowrap}.tile-enter svg{width:17px;height:17px}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:54px}.title-group{display:flex;align-items:center;gap:16px;min-width:0}.page-heading p{font-size:14px;color:var(--muted);margin-top:4px}.back-button{background:#fff;border:1px solid var(--line);height:44px;width:44px;display:grid;place-items:center;flex-shrink:0;border-radius:12px;color:#777f8e}.back-button:hover{background:#f9ebe5;color:#bc533b}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:9px 16px;min-height:42px;background:white;border:1px solid var(--line);border-radius:10px;font-size:14px;font-weight:500;white-space:nowrap}.button svg{width:17px;height:17px}.button.primary{background:var(--ink);color:#fff;border-color:var(--ink)}.button:hover{background:#fff2eb;border-color:#efd4c7}.button.primary:hover{background:#45444b;border-color:#45444b}.button.light{background:#fff}.button.light:hover{background:#fff2eb}.module-banner{display:flex;align-items:center;padding:25px 32px;border-radius:19px;gap:23px}.module-icon{background:#ffffff5c;width:72px;height:76px;display:grid;place-items:center;border-radius:20px;flex-shrink:0}.module-icon svg{width:35px;height:35px}.module-banner>div:nth-child(2){flex:1}.module-banner span{font-size:12px;color:#3839439c;letter-spacing:1px}.module-banner h2{font-size:24px;margin-top:4px}.module-banner p{font-size:14px;color:#42414da6;margin-top:7px}.module-banner>strong{font-size:37px;font-weight:650;letter-spacing:-1px;white-space:nowrap}.module-banner>strong 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var(--line);border-radius:13px}.filter-fields label{flex:1;min-width:0}.filter-fields label>span,.theme-controls label>span,.resource-controls label>span,.saved-controls label>span{display:block;font-size:12px;color:#949ba7;margin-bottom:7px}.filter-fields select{width:100%;min-width:0;border:1px solid #e9eaf0;border-radius:8px;background:#fafbfd;padding:8px 28px 8px 10px;height:40px;font-size:14px}.reset-button{display:flex;align-items:center;gap:6px;color:#9299a6;font-size:13px;min-height:40px;white-space:nowrap}.reset-button svg{width:15px;height:15px}.list-toolbar{display:flex;align-items:center;gap:14px;justify-content:space-between;font-size:14px;min-height:27px}.list-toolbar>p{color:#9299a6;white-space:nowrap}.list-toolbar strong{font-size:20px;color:#353c4c;font-weight:650;margin-left:9px}.filter-summary,.resources-hint{font-size:12px;color:#a0a6b2;text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mobile-filter{display:none}.course-list{flex:1;min-height:0;display:grid;grid-auto-rows:minmax(0,1fr);gap:8px;overflow:auto}.course-row{display:flex;align-items:center;gap:19px;background:white;border:1px solid var(--line);padding:14px 20px;border-radius:12px;min-height:79px;overflow:hidden}.row-number{font-size:14px;color:#b6bcc8;font-variant-numeric:tabular-nums;width:38px;flex-shrink:0;letter-spacing:.7px}.course-copy{flex:1;min-width:0}.course-title{padding:0;text-align:left;min-height:0;font-size:17px;line-height:1.6;font-weight:600;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;word-break:break-word}.course-title:hover{color:var(--accent)}.course-meta{display:flex;flex-wrap:wrap;color:#959cab;font-size:12px;gap:0 8px;margin-top:5px;max-height:22px;overflow:hidden}.course-meta span+span:before{content:"·";margin-right:8px;color:#c5c9d2}.course-path{font-size:12px;color:#b0b5c1;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;margin-top:3px}.row-track{font-size:12px;color:#a9afbb;white-space:nowrap}.save-button{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;color:#b7bdc8;flex-shrink:0}.save-button svg{width:20px;height:20px}.save-button:hover,.save-button.saved{color:#d55b37;background:#fff0e7}.save-button.saved svg{fill:#f7c3a344}.row-open{padding:0;width:25px;height:40px;flex-shrink:0;color:#b3bac8}.row-open svg{width:17px;height:17px}.pagination{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:42px;font-size:12px;color:#a2a9b6}.pager-buttons{display:flex;gap:8px;align-items:center}.pager-buttons button{min-width:36px;min-height:35px;padding:5px 9px;background:#fff;border:1px solid var(--line);border-radius:8px;color:#969eae;font-size:12px}.pager-buttons svg{width:15px;height:15px}.pager-buttons strong{font-size:14px;color:#626b7a;font-weight:600;margin:0 9px;min-width:75px;text-align:center}.pager-buttons strong span{color:#aab1be;font-size:12px;font-weight:400}.pagination form{display:flex;gap:6px;align-items:center}.pagination input{border:1px solid #e4e7ee;border-radius:7px;width:65px;height:34px;padding:4px 9px;background:#fff;font-size:12px}.pagination form button{font-size:12px;color:#929dac;min-height:34px}.theme-controls,.resource-controls,.saved-controls{display:flex;align-items:center;gap:20px;padding:16px 20px;background:white;border:1px solid var(--line);border-radius:12px}.theme-controls label,.resource-controls label,.saved-controls label{min-width:200px;max-width:320px;flex:1}.theme-controls select,.resource-controls select,.saved-controls select{height:39px;width:100%;border:1px solid #e6e8ef;border-radius:8px;padding:6px 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.lead{color:#5f6879;font-weight:500;margin-bottom:13px}.read-full{color:var(--accent);display:flex;align-items:center;gap:10px;min-height:40px;padding:17px 0 0;margin-top:18px;border-top:1px solid #eeeef2;font-size:14px;flex-shrink:0}.read-full svg{width:16px;height:16px}.kind-tabs{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-left:auto}.kind-tabs button{padding:8px 15px;font-size:14px;color:#969ead;border-radius:8px;min-height:39px}.kind-tabs button.active{background:#fff0e7;color:#c5633e;font-weight:600}.resource-list{flex:1;min-height:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:minmax(0,1fr);gap:13px;overflow:auto}.resource-row{display:flex;align-items:center;gap:17px;background:white;border:1px solid var(--line);border-radius:13px;padding:20px 22px;min-height:100px}.file-icon{display:grid;place-items:center;width:44px;height:55px;border-radius:9px;background:#f1f1f5;color:#969daf;font-size:18px;font-weight:700;flex-shrink:0}.file-docx{background:#e8f0ff;color:#648ecb}.file-pptx{background:#ffeee4;color:#d88656}.file-zip{background:#eeeafa;color:#917aba;font-size:12px}.file-html{background:#e8f2ed;color:#71a68a}.resource-copy{flex:1;min-width:0}.resource-copy h2{font-size:16px;font-weight:600}.resource-copy p{font-size:12px;color:#a0a7b5;margin-top:6px}.filename{display:block;margin-top:5px;color:#b4bac6;font-size:12px;text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.download-link{display:flex;align-items:center;gap:7px;color:#c7714f;font-size:13px;white-space:nowrap;min-height:44px;padding:7px;flex-shrink:0}.download-link svg{width:17px;height:17px}.saved-controls .text-button{min-height:39px;padding:4px 6px;font-size:13px;color:#9299a7;white-space:nowrap}.empty-state{flex:1;min-height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#a6adba;border:1px dashed #dce0e8;border-radius:14px;background:white;padding:25px;grid-column:1/-1}.empty-state>svg{width:38px;height:38px;margin-bottom:20px}.empty-state h2{font-size:19px;color:#727b8d}.empty-state p{font-size:14px;margin:9px 0 20px}.loading{margin:auto;color:#9ca2af}dialog{width:min(640px,calc(100% - 40px));max-height:86dvh;padding:0;border:0;border-radius:20px;background:white;color:var(--ink);box-shadow:0 20px 80px #20233026}dialog::backdrop{background:#292b374c;backdrop-filter:blur(4px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;padding:20px 25px;border-bottom:1px solid var(--line);gap:15px}.dialog-heading h2{font-size:18px}.icon-button{display:grid;place-items:center;width:40px;height:40px;border-radius:9px;color:#9099a9}.icon-button:hover{background:#f4f5f7}.dialog-body{padding:25px 28px}.dialog-body>h2{font-size:25px;line-height:1.6;margin:9px 0 18px;word-break:break-word}.eyebrow{font-size:13px;color:#bc8266}.dialog-body p{font-size:16px;line-height:2;margin:16px 0;color:#7e8899}.dialog-body a{color:#ca7050;text-decoration:underline;text-underline-offset:4px}.dialog-body dl{display:grid;grid-template-columns:76px 1fr;gap:12px;font-size:14px;margin:20px 0}.dialog-body dt{color:#a0a7b5}.dialog-body dd{margin:0;color:#727e91;word-break:break-word}.detail-path{font-size:14px;line-height:1.9;color:#949dad;background:#f5f6f8;border-radius:9px;padding:13px 16px}.dialog-actions{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:10px;border-top:1px solid var(--line);padding:17px 25px 22px}.dialog-body textarea{width:100%;height:38dvh;border:1px solid #e4e7ee;border-radius:8px;background:#fafbfd;padding:12px;font-size:16px;line-height:1.8}.toast{position:fixed;z-index:99;left:50%;bottom:28px;transform:translate(-50%,15px);background:#33323c;color:#fff;border-radius:12px;padding:12px 22px;font-size:14px;opacity:0;pointer-events:none;transition:.2s;max-width:calc(100% - 32px);text-align:center}.toast.visible{opacity:1;transform:translate(-50%,0)}#mobile-filters{padding:10px 24px}#mobile-filters .filter-fields{display:grid;grid-template-columns:1fr 1fr;border:0;padding:12px 0;gap:18px}#mobile-filters .reset-button{display:none}
@media(min-width:1700px){main{padding:35px 50px 38px;gap:23px}.app-header{height:100px;min-height:100px;padding:0 50px}.home-grid{gap:27px}.home-tile{padding:38px 40px 30px}.tile-title h1{font-size:38px}.tile-title p{font-size:16px}.tile-bottom>span:first-child{font-size:28px}.tile-bottom small{font-size:14px}.tile-mark{width:64px;height:64px}.tile-mark svg{width:33px;height:33px}.tile-title{padding:20px 0 25px}.tile-bottom{padding-top:20px}}
@media(max-width:1100px){.app-header{padding:0 25px;height:76px;min-height:76px}.desktop-nav{gap:3px}.nav-button{padding:8px 14px}.brand{min-width:150px;gap:10px}.brand b{font-size:20px}.brand-mark{width:41px;height:41px}.about-button{min-width:40px}.about-button>span:last-child{display:none}main{padding:24px 25px;gap:16px}.home-grid{gap:17px}.home-tile{padding:23px 23px 20px;border-radius:20px}.tile-title h1{font-size:26px}.tile-title p{font-size:13px}.tile-bottom{gap:6px}.tile-bottom>span:first-child{font-size:20px}.tile-bottom small{display:block;font-size:12px;margin:3px 0 0}.tile-enter{font-size:12px;gap:6px}.module-banner{padding:21px 24px;gap:18px}.module-banner h2{font-size:21px}.module-banner>strong{font-size:30px}.submenu{padding:25px 23px}.submenu h2{font-size:20px}.submenu p{font-size:13px}.course-row{padding:12px 16px;gap:14px}.row-track{display:none}.course-title{font-size:16px}.filter-fields{padding:14px 15px;gap:9px}.filter-fields select{font-size:13px;padding-left:7px}.page-heading p{font-size:13px}.resource-row{padding:16px;gap:12px}.resource-copy h2{font-size:15px}.resource-row .download-link span{display:none}.resource-row .download-link{padding:4px}.theme-controls>p{display:none}.theme-card{padding:22px 24px}}
@media(max-width:719px){.app-frame{height:calc(100dvh - 66px - env(safe-area-inset-bottom))}.app-header{height:65px;min-height:65px;padding:0 18px;gap:12px}.brand-mark{width:35px;height:35px;border-radius:10px}.brand-mark svg{width:21px;height:21px}.brand{gap:9px}.brand>span:last-child{display:flex;align-items:baseline;gap:9px}.brand b{font-size:20px;letter-spacing:0}.brand small{font-size:11px;letter-spacing:0;margin:0;color:#a0a5ae}.about-button{min-height:42px;width:40px;padding:0}.about-button svg{width:20px;height:20px}.desktop-nav{display:none}.mobile-nav{display:grid;grid-template-columns:repeat(3,1fr);height:calc(66px + env(safe-area-inset-bottom));padding:6px 18px calc(6px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);position:fixed;bottom:0;left:0;right:0;z-index:30}.mobile-nav .nav-button{display:flex;flex-direction:column;gap:2px;padding:2px 10px;font-size:12px;min-height:48px;color:#a1a7b3}.mobile-nav .nav-button svg{width:22px;height:22px}.mobile-nav .nav-button.active{background:none;box-shadow:none;color:#b36347}.mobile-nav .nav-button b{position:absolute;top:0;left:calc(50% + 7px);min-width:17px;font-size:10px;padding:0 4px}.mobile-nav .nav-button.active svg{color:#c56847}main{padding:17px 17px 19px;gap:13px}.home-grid{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(3,minmax(0,1fr));gap:12px}.home-tile{padding:15px 16px 14px;border-radius:18px}.home-tile:hover{transform:none}.tile-top{margin-bottom:auto}.tile-number{font-size:12px;letter-spacing:1px}.tile-mark{width:33px;height:33px;border-radius:10px}.tile-mark svg{width:19px;height:19px}.tile-title{padding:9px 0 11px}.tile-title h1{font-size:21px;letter-spacing:-.7px;line-height:1.45;white-space:nowrap}.tile-title p{display:none}.tile-bottom{padding-top:9px;align-items:center;gap:5px}.tile-bottom>span:first-child{font-size:17px;line-height:1.3}.tile-bottom small{font-size:10px;margin-top:3px;line-height:1.4}.tile-enter{font-size:0;gap:0}.tile-enter svg{width:16px;height:16px}.page-heading{min-height:43px;gap:8px}.title-group{gap:10px;min-width:0}.back-button{width:35px;height:38px;border-radius:9px;min-height:38px}.back-button svg{width:18px;height:18px}.page-heading h1{font-size:19px;letter-spacing:-.6px;line-height:1.5}.page-heading p{font-size:12px;line-height:1.7;margin-top:3px;max-width:245px}.page-heading>.button{padding:7px 9px;min-height:34px;font-size:12px;gap:5px}.page-heading>.button svg{width:14px;height:14px}.module-banner{padding:18px 19px;gap:13px;border-radius:15px;align-items:flex-start}.module-icon{width:40px;height:45px;border-radius:12px}.module-icon svg{width:24px;height:24px}.module-banner h2{font-size:17px;line-height:1.7}.module-banner span{font-size:11px}.module-banner p{font-size:12px;line-height:1.8;margin-top:6px}.module-banner>strong{display:none}.submenu-grid{grid-template-columns:1fr;grid-template-rows:repeat(3,minmax(0,1fr));gap:12px}.submenu{padding:17px 19px;display:flex;flex-direction:row;align-items:center;gap:15px;border-radius:15px}.submenu-icon{width:41px;height:44px;flex-shrink:0;border-radius:12px}.submenu-icon svg{width:23px;height:23px}.submenu>div{margin:0;flex:1;min-width:0}.submenu small{font-size:10px}.submenu h2{font-size:18px;margin-top:4px}.submenu p{font-size:12px;margin-top:4px;line-height:1.6}.submenu>svg{width:17px;height:17px;align-self:center;margin:0}.desktop-filters{display:none}.mobile-filter{display:flex;font-size:12px;min-height:34px;padding:6px 10px;gap:5px}.list-toolbar{min-height:32px;gap:8px}.list-toolbar>p{font-size:12px}.list-toolbar strong{font-size:18px;margin-left:6px}.filter-summary{display:none}.course-list{gap:9px}.course-row{padding:13px 12px 12px;gap:10px;align-items:center;min-height:84px;border-radius:12px}.row-number{font-size:12px;width:23px;letter-spacing:0}.course-title{font-size:16px;line-height:1.65;max-height:53px}.course-meta{font-size:12px;margin-top:5px;gap:0 6px;max-height:21px}.course-meta span+span:before{margin-right:6px}.course-path{display:none}.save-button{width:35px;height:39px;min-height:39px;border-radius:9px}.save-button svg{width:18px;height:18px}.row-open{display:none}.pagination{min-height:35px;gap:8px}.range-label{font-size:11px;white-space:nowrap}.pager-buttons{gap:4px}.pager-buttons button{min-width:31px;min-height:32px;padding:4px 7px}.pager-buttons strong{font-size:13px;margin:0 4px;min-width:60px}.pager-buttons strong span{font-size:11px}.end-page,.pagination form{display:none}.theme-controls,.resource-controls,.saved-controls{padding:13px 14px;gap:10px;flex-wrap:wrap;border-radius:11px}.theme-controls label{min-width:120px;max-width:none;flex:1}.theme-controls select,.resource-controls select,.saved-controls select{height:36px;font-size:13px;padding:6px 8px}.theme-controls label>span,.resource-controls label>span,.saved-controls label>span{font-size:11px;margin-bottom:5px}.theme-controls>.button{width:100%;margin:0;min-height:34px;padding:5px 10px;font-size:12px}.theme-reader{grid-template-columns:1fr;gap:12px}.theme-card{padding:21px 23px;border-radius:15px}.theme-card h2{font-size:22px;margin-bottom:14px}.theme-card-top{font-size:12px;margin-bottom:14px}.theme-text{font-size:15px;line-height:2}.read-full{font-size:13px;padding-top:14px;margin-top:14px}.resource-controls{display:block;padding:12px 14px}.resource-controls label{display:flex;align-items:center;max-width:none;min-width:0;gap:10px}.resource-controls label>span{margin:0;white-space:nowrap;flex-shrink:0;font-size:12px}.resource-controls select{flex:1}.kind-tabs{gap:3px;justify-content:space-between;flex-wrap:nowrap;margin-top:10px}.kind-tabs button{font-size:12px;padding:5px 9px;min-height:32px}.resources-hint{font-size:11px}.resource-list{grid-template-columns:1fr;gap:9px}.resource-row{min-height:86px;padding:12px 13px;gap:11px;border-radius:12px}.file-icon{width:33px;height:43px;border-radius:7px;font-size:15px}.file-zip{font-size:10px}.resource-copy h2{font-size:14px;line-height:1.7}.resource-copy p{font-size:11px;margin-top:4px}.filename{font-size:10px;margin-top:3px}.resource-row .download-link{width:35px;justify-content:center}.resource-row .download-link svg{width:19px;height:19px}.saved-controls label{max-width:none;flex:1;min-width:130px}.saved-controls p{width:100%;order:3;font-size:11px;margin:0}.saved-controls .text-button{font-size:12px;min-height:34px}.empty-state{padding:20px}.empty-state h2{font-size:17px}.empty-state p{font-size:13px}.empty-state .button{font-size:13px}.toast{bottom:83px;font-size:13px;width:max-content}dialog{width:100%;max-width:100%;margin:auto 0 0;max-height:89dvh;border-radius:21px 21px 0 0}.dialog-heading{padding:17px 20px}.dialog-heading h2{font-size:17px}.dialog-body{padding:20px 22px}.dialog-body>h2{font-size:22px;margin-bottom:15px}.dialog-body p{font-size:15px}.dialog-body dl{font-size:13px;grid-template-columns:61px 1fr;gap:10px}.detail-path{font-size:13px}.dialog-actions{padding:15px 20px calc(20px + env(safe-area-inset-bottom));justify-content:stretch}.dialog-actions .button{flex:1;font-size:13px}.dialog-body textarea{font-size:16px}#mobile-filters .filter-fields{gap:16px}#mobile-filters select{font-size:14px;min-height:43px}}
@media(max-width:370px){.brand small{font-size:10px}.tile-title h1{font-size:18px}.home-tile{padding:13px 14px}.tile-bottom>span:first-child{font-size:16px}.page-heading h1{font-size:17px}.page-heading p{font-size:11px}.page-heading>.button{font-size:11px;padding:6px}.kind-tabs button{padding:5px 7px}.resource-copy h2{font-size:13px}}
@media(max-height:760px) and (min-width:720px){.app-header{height:72px;min-height:72px}main{padding-top:20px;padding-bottom:22px;gap:13px}.home-grid{gap:17px}.home-tile{padding:21px 25px 18px}.tile-mark{width:43px;height:43px}.tile-title{padding:12px 0 14px}.tile-title h1{font-size:27px}.tile-title p{font-size:12px;margin-top:5px}.tile-bottom{padding-top:12px}.tile-bottom>span:first-child{font-size:20px}.filter-fields{padding:12px 16px}.filter-fields select{height:35px;font-size:13px}.filter-fields label>span{margin-bottom:5px}.course-row{padding:9px 17px;min-height:66px;gap:13px}.course-path{display:none}.course-title{font-size:16px}.course-meta{margin-top:3px}.page-heading p{font-size:12px}.page-heading h1{font-size:22px}.list-toolbar strong{font-size:18px}.theme-card{padding:21px 25px}.module-banner{padding:19px 25px}.module-banner p{margin-top:4px}.submenu{padding:24px}.resource-row{padding:14px 18px;min-height:82px}.filename{display:none}}
@media(max-height:720px) and (max-width:719px){main{padding-top:13px;padding-bottom:14px;gap:11px}.app-header{height:58px;min-height:58px}.home-grid{gap:10px}.home-tile{padding:12px 14px 11px;border-radius:16px}.tile-mark{width:28px;height:28px;border-radius:8px}.tile-mark svg{width:17px;height:17px}.tile-title{padding:7px 0 8px}.tile-title h1{font-size:19px}.tile-bottom{padding-top:7px}.tile-bottom>span:first-child{font-size:15px}.tile-bottom small{font-size:10px}.page-heading p{display:none}.module-banner{padding:13px 17px}.module-banner p{font-size:11px}.module-banner h2{font-size:16px}.submenu{padding:13px 17px}.submenu p{font-size:11px}.submenu small{font-size:10px}.course-row{min-height:75px;padding:10px 11px}.resource-row{min-height:79px}.theme-card{padding:19px 21px}.filename{display:none}.resource-controls{padding:10px 12px}.list-toolbar{min-height:27px}}
@media(max-height:520px){html,body{height:auto;overflow:auto}.app-frame{height:auto;min-height:100dvh}.home-grid{min-height:540px}.submenu-grid{min-height:380px}.course-list,.theme-reader,.resource-list{min-height:350px;flex:none}.course-row{min-height:75px}.theme-card{min-height:240px}.app-frame{padding-bottom:70px}main{overflow:visible}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media(max-width:719px){.tile-bottom small,.submenu small,.module-banner span,.theme-controls label>span,.resource-controls label>span,.saved-controls label>span,.resource-copy p,.filename,.saved-controls p,.range-label,.resources-hint{font-size:12px}.tile-title h1{font-size:clamp(17px,5.2vw,22px)}.tile-bottom small{line-height:1.5}.resource-copy p{margin-top:3px}.filename{display:none}.module-banner p,.submenu p{font-size:12px}.home-tile{padding-bottom:13px}.tile-bottom>span:first-child{font-size:18px}.resource-copy h2{font-size:15px}.brand small{font-size:12px}}
@media(max-height:630px) and (max-width:719px){.tile-top{min-height:17px}.tile-mark{display:none}.tile-title{padding:6px 0 7px}.tile-bottom{padding-top:6px}.tile-bottom small{display:inline;font-size:11px;margin-left:3px}.tile-bottom>span:first-child{font-size:15px}.tile-title h1{font-size:clamp(17px,5vw,20px)}}
/* Softer navigation, continuous reading, and a curated resource desk. */
:root{--bg:#f5f4f0;--muted:#7a807f;--line:#e8e8e2;--ink:#303834;--accent:#bb593a}
.app-header{background:#fbfaf7;border-bottom-color:#e9e8e1}.brand-mark{background:#34483e}.brand small{color:#808780}.desktop-nav{background:#eeeee8}.nav-button{color:#747c74}.about-button{color:#767e75}.nav-button.active{box-shadow:0 2px 5px #25382808}
.home-grid{gap:18px}.home-tile{border-radius:24px;isolation:isolate}.tile-xueke{background:#f6cfb9}.tile-shiyan{background:#c9e0f2}.tile-tejiao{background:#d3e3ce}.tile-ai{background:#ded5ef}.tile-yuedu{background:#f0d2d6}.tile-keji{background:#f3dfaf}.tile-top,.tile-title,.tile-bottom{position:relative;z-index:1}.tile-number{font-size:12px;letter-spacing:2px}.tile-top{min-height:38px}.tile-title h1{font-weight:650;letter-spacing:-1px}.tile-title p{color:#4f5856}.tile-title{padding:18px 0 22px}.tile-bottom{border-top:1px solid #53645123}.tile-bottom small{color:#536054}.tile-enter{width:38px;height:38px;justify-content:center;overflow:hidden;font-size:0;background:#ffffff55;border-radius:50%;gap:0}.tile-enter svg{width:20px;height:20px}.tile-bottom>span:first-child{font-weight:500}.track-art{display:block;background-image:url('assets/track-illustrations.png');background-repeat:no-repeat;background-size:300% 200%;mix-blend-mode:multiply;pointer-events:none}.art-xueke{background-position:0 0}.art-shiyan{background-position:50% 0}.art-tejiao{background-position:100% 0}.art-ai{background-position:0 100%}.art-yuedu{background-position:50% 100%}.art-keji{background-position:100% 100%}.tile-art{position:absolute;right:14px;top:3px;width:clamp(120px,19dvh,210px);aspect-ratio:1;z-index:0}.module-icon.track-art{width:105px;height:105px;border-radius:0;flex-shrink:0}.module-banner{border-radius:20px}.submenu{border-color:transparent;border-radius:18px}.submenu small{font-size:13px;color:#8a9188}.submenu p{color:#768174}.submenu h2{font-weight:600}.submenu-icon{background:#f2f3ed;color:#607060}
main[data-view=catalog],main[data-view=saved]{background:#fffefa}.page-heading h1{font-weight:600}.page-heading p{color:#7f867d}.back-button{background:transparent;border:0;border-radius:50%}.desktop-filters{padding:8px 0 18px;border-bottom:1px solid var(--line)}.filter-fields{padding:0;background:transparent;border:0;border-radius:0;gap:18px}.filter-fields label>span{font-size:12px;color:#7a8379}.filter-fields select{border:0;border-bottom:1px solid #d4dacd;border-radius:0;background:transparent;padding-left:0;padding-right:8px;font-size:14px}.reset-button{font-size:14px}.list-toolbar>p{color:#798474}.list-toolbar strong{font-size:18px;font-weight:500;margin-left:8px}.filter-summary{color:#8b9187}.course-list{display:flex;flex-direction:column;gap:0;overflow:auto;scrollbar-width:thin}.course-row{flex:1 0 auto;min-height:82px;max-height:126px;padding:15px 12px 15px 0;border:0;border-bottom:1px solid #eceee6;border-radius:0;background:transparent;gap:22px;overflow:visible}.course-row:last-child{border-bottom:0}.course-row:hover{background:#f4f5ef}.row-number{font-size:13px;letter-spacing:0;color:#9da691;width:32px;text-align:center}.course-title{font-family:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;font-size:21px;font-weight:600;letter-spacing:.2px;line-height:1.6}.course-meta{font-size:12px;color:#7f877b;margin-top:5px}.course-path{color:#999f93;margin-top:2px}.save-button{color:#a6af9e;border-radius:50%}.save-button.saved{background:#f8eadd}.row-open{color:#8d9b87}.pagination{border-top:1px solid var(--line);padding-top:13px;color:#7d8876}.pager-buttons button{border:0;background:#edf1e8;color:#626f58}.pagination input{background:transparent;border-color:#dce2d5}.theme-controls,.saved-controls{border:0;border-radius:0;background:transparent;padding:8px 0 18px;border-bottom:1px solid var(--line)}.theme-reader{gap:0;background:#fffefa;border-radius:18px}.theme-card{border:0;border-right:1px solid var(--line);border-radius:0;background:transparent;padding:28px 34px}.theme-card:last-child{border-right:0}.theme-card h2{font-family:"Noto Serif SC","Songti SC","SimSun",serif;font-weight:600}.theme-text{color:#6d786c}.theme-card-top{color:#849079}
.resource-workspace{display:grid;grid-template-columns:218px minmax(0,1fr);flex:1;min-height:0;background:#fffefa;border-radius:22px;overflow:hidden}.resource-nav{display:flex;flex-direction:column;gap:9px;padding:28px 17px;background:#eeefe7;border-right:1px solid #e6e8dd}.section-label{font-size:12px;letter-spacing:2px;color:#88917d;padding:0 15px 15px}.resource-track{display:flex;gap:12px;align-items:center;text-align:left;border-radius:12px;padding:12px 10px;font-size:14px;min-height:60px;color:#6b7764}.resource-track>span:nth-child(2){flex:1}.resource-track>svg{width:14px;height:14px;opacity:0}.resource-track.active{background:#fffefa;color:#334a35;box-shadow:0 3px 9px #293c2905;font-weight:600}.resource-track.active>svg{opacity:1}.track-dot{width:33px;height:33px;border-radius:10px;display:grid;place-items:center;flex-shrink:0}.track-dot svg{width:18px;height:18px}.resource-mobile-select{display:none}.resource-detail{min-width:0;min-height:0;display:flex;flex-direction:column;padding:32px 40px}.resource-intro{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-bottom:27px;border-bottom:1px solid var(--line)}.resource-intro .eyebrow{font-size:12px;letter-spacing:2px;color:#819078}.resource-intro h2{font-size:30px;letter-spacing:-1px;font-weight:600;margin-top:8px}.resource-intro h2>span{font-weight:400;color:#828d78;margin-left:12px}.resource-intro p{font-size:14px;color:#818a79;margin-top:10px}.resource-intro .button.primary{background:#3c5141;border-color:#3c5141;border-radius:30px;padding:10px 20px;min-height:44px}.resource-section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:22px 0 7px}.resource-section-heading h3{font-size:15px;font-weight:600}.resource-section-heading>span{font-size:12px;color:#909784}.resource-core{display:flex;flex:1;min-height:0;flex-direction:column}.resource-row{border:0;border-bottom:1px solid #ebeee3;border-radius:0;background:transparent;padding:19px 0;gap:20px;min-height:80px;flex:1;max-height:135px}.resource-row:last-child{border-bottom:0}.resource-order{font-size:12px;color:#a2ac99;letter-spacing:1px}.file-icon{border-radius:5px;width:36px;height:45px;font-size:16px;font-family:Georgia,serif;font-weight:500}.resource-copy h3{font-size:18px;font-weight:500}.resource-copy p{font-size:13px;line-height:1.8;color:#818a77}.resource-copy p>span{color:#9aa18f}.download-link{color:#5c7350;font-size:14px;min-width:64px;padding:8px 2px}.resource-row .download-link span{display:inline}.download-link:hover,.guide-link:hover{color:#bc593b}.resource-foot{border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:15px;padding-top:16px;margin-top:8px}.guide-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:#77856c;min-height:40px}.guide-link svg{width:17px;height:17px}.resource-foot .text-button{display:flex;gap:9px;align-items:center;font-size:14px;color:#5c6c50;white-space:nowrap}.resource-foot .text-button span{font-size:12px;background:#edf0e5;border-radius:4px;padding:0 5px}.resource-foot .text-button svg{width:17px;height:17px}.resource-complete{font-size:12px;color:#919a86}.extra-resources .resource-row{max-height:none}.extra-intro{margin-top:0!important}.extra-resources .resource-order{display:none}.extra-resources .resource-copy p{font-size:13px;margin:4px 0}.extra-resources .resource-copy p>span{display:block}
@media(min-width:1700px){.tile-art{width:clamp(200px,19dvh,245px);right:28px;top:9px}.resource-workspace{grid-template-columns:260px 1fr}.resource-detail{padding:42px 60px}.resource-track{font-size:16px;padding:15px}.resource-copy h3{font-size:20px}}
@media(max-width:1100px){.home-grid{gap:16px}.tile-title h1{font-size:25px}.tile-art{width:clamp(100px,17dvh,170px);right:0}.resource-workspace{grid-template-columns:190px 1fr}.resource-nav{padding:23px 12px;gap:6px}.resource-track{gap:8px;padding:10px 8px;font-size:13px}.resource-detail{padding:26px}.resource-intro h2{font-size:26px}.resource-copy h3{font-size:17px}.resource-copy p>span{display:block}.resource-row{gap:12px}.resource-order{display:none}.filter-fields{gap:12px}.course-row{gap:16px}.course-title{font-size:20px}.resource-foot{gap:8px}.guide-link,.resource-foot .text-button{font-size:13px}}
@media(max-width:719px){.app-header{background:#fbfaf7}.mobile-nav{background:#fbfaf7}.home-grid{gap:11px}.home-tile{border-radius:19px;padding:15px}.tile-top{min-height:32px}.tile-number{font-size:10px;letter-spacing:1px}.tile-art{width:clamp(70px,11dvh,102px);top:0;right:0}.tile-title{padding:8px 0 12px}.tile-title h1{font-size:clamp(18px,5.2vw,22px);letter-spacing:-.8px}.tile-bottom{padding-top:9px}.tile-bottom small{display:block;font-size:11px;margin:3px 0 0}.tile-bottom>span:first-child{font-size:18px}.tile-enter{width:26px;height:26px}.tile-enter svg{width:15px;height:15px}.module-icon.track-art{width:58px;height:58px}.course-row{min-height:93px;max-height:145px;padding:15px 0;gap:11px}.course-title{font-size:19px}.row-number{width:21px;font-size:12px;align-self:flex-start;padding-top:4px}.course-meta{font-size:12px;line-height:1.6;max-height:39px;margin-top:5px;gap:0 5px}.course-meta span+span:before{margin-right:5px}.course-path{margin-top:4px;font-size:12px}.row-open{display:none}.save-button{width:36px;height:40px}.pagination{padding-top:10px}.page-heading h1{font-size:20px}.filter-summary{display:none}.theme-card{padding:22px}.resource-workspace{display:flex;flex-direction:column;border-radius:16px;background:#fffefa}.resource-nav{display:none}.resource-mobile-select{display:flex;align-items:center;gap:14px;flex-shrink:0;padding:14px 18px;border-bottom:1px solid var(--line);background:#edf0e5}.resource-mobile-select>span{font-size:12px;color:#78866e;white-space:nowrap}.resource-mobile-select select{flex:1;min-width:0;font-size:15px;font-weight:500;border:0;background:transparent;padding:5px 0}.resource-detail{padding:20px;flex:1}.resource-intro{align-items:flex-start;gap:10px;padding-bottom:18px}.resource-intro .eyebrow{font-size:10px;letter-spacing:.7px}.resource-intro h2{font-size:22px;letter-spacing:-.5px;margin-top:7px}.resource-intro h2>span{font-size:16px;margin-left:6px;display:block;margin-top:2px}.resource-intro p{display:none}.resource-intro .button.primary{font-size:12px;min-height:38px;padding:8px 12px;margin-top:8px;gap:5px}.resource-intro .button svg{width:14px;height:14px}.resource-section-heading{padding:16px 0 6px}.resource-section-heading h3{font-size:14px}.resource-section-heading>span{font-size:11px}.resource-row{padding:14px 0;gap:11px;min-height:83px;max-height:120px}.resource-copy h3{font-size:16px;line-height:1.5}.resource-copy p{font-size:12px;margin-top:4px;line-height:1.6}.resource-copy p>span{display:block;font-size:11px}.resource-row .file-icon{width:28px;height:37px;font-size:14px}.resource-row .download-link{min-width:28px;justify-content:center;min-height:44px}.resource-row .download-link span{display:none}.resource-row .download-link svg{width:18px;height:18px}.resource-foot{padding-top:10px;margin-top:4px;gap:8px;flex-wrap:wrap}.resource-foot .text-button,.guide-link{font-size:12px;gap:5px;min-height:36px}.resource-complete{font-size:11px}.extra-resources .resource-copy h3{font-size:16px}.extra-resources .resource-row{min-height:90px}.dialog-body{padding:20px}.extra-resources .resource-copy p{font-size:12px}.theme-reader{border-radius:14px}}
@media(max-height:760px) and (min-width:720px){.tile-art{width:145px;top:-8px}.tile-title{padding:7px 0 14px}.tile-top{min-height:25px}.resource-detail{padding-top:22px;padding-bottom:20px}.resource-intro{padding-bottom:16px}.resource-intro h2{font-size:26px}.resource-intro p{margin-top:6px}.resource-section-heading{padding-top:16px}.resource-row{padding:12px 0;min-height:73px}.resource-nav{padding-top:22px;gap:5px}.resource-track{min-height:53px}.course-row{min-height:78px;padding-top:10px;padding-bottom:10px}}
@media(max-height:720px) and (max-width:719px){.home-tile{padding:12px 13px}.tile-title{padding:5px 0 7px}.tile-top{min-height:24px}.tile-art{width:74px;top:-4px;right:-2px}.tile-bottom{padding-top:6px}.tile-bottom>span:first-child{font-size:16px}.tile-title h1{font-size:clamp(17px,5vw,20px)}.resource-mobile-select{padding:8px 16px}.resource-detail{padding:13px 16px}.resource-intro{padding-bottom:11px}.resource-intro h2{font-size:20px;margin-top:3px}.resource-intro h2>span{display:inline;font-size:14px}.resource-intro .eyebrow{font-size:10px}.resource-intro .button.primary{padding:7px 10px;font-size:11px;min-height:35px}.resource-section-heading{padding-top:11px}.resource-row{min-height:74px;padding:10px 0}.resource-copy h3{font-size:15px}.resource-copy p{font-size:11px}.resource-foot{padding-top:7px;margin-top:0;gap:3px}.resource-foot .text-button,.guide-link{font-size:11px}.course-row{min-height:90px}}
@media(max-height:610px) and (max-width:719px){.tile-top{min-height:17px}.tile-art{width:57px;top:-3px}.tile-bottom small{display:inline;font-size:10px;margin-left:3px}.tile-title{padding:6px 0}.tile-enter{width:23px;height:23px}.resource-detail{overflow:auto}.resource-core{flex:none}.resource-row{min-height:78px;flex:none}.resource-intro h2>span{display:none}}
@media(max-height:520px){.resource-workspace{min-height:500px;flex:none}.resource-detail{overflow:visible}.course-list{min-height:400px}.course-row{min-height:90px}.tile-art{width:140px}.tile-title p{display:block}}

body{background:radial-gradient(ellipse at 0 0,#e6ecddaa,transparent 55%),radial-gradient(ellipse at 100% 100%,#eee0df99,transparent 50%),linear-gradient(120deg,#f5f4ed,#eef2f4)}
.app-header{background:#fbfaf4ba;border-bottom-color:#e2e7dc;backdrop-filter:blur(18px)}.brand{gap:13px;min-width:240px}.brand-mark{background:transparent;box-shadow:none;width:43px;height:43px;border-radius:0}.brand-mark svg{width:43px;height:43px}.brand b{font-size:22px;letter-spacing:.5px;font-weight:650}.brand .brand-caption{display:flex;align-items:center;gap:12px;margin-top:5px;line-height:1.2}.brand small{font-size:12px;margin:0;letter-spacing:1.5px;color:#7a8673}.brand .signature{font-size:12px;letter-spacing:.7px;color:#455c45;opacity:.42;font-family:Georgia,"Microsoft YaHei",serif}.about-button{min-width:100px}.home-tile{box-shadow:inset 0 1px 0 #ffffff77,0 5px 15px #30462e04}.course-options{grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:repeat(var(--option-rows),minmax(0,1fr));gap:16px}.course-option{position:relative;padding:24px 28px;gap:0;background:#fffdf7d9;justify-content:center}.course-option small{margin:0;color:#9aab8f;letter-spacing:1px;font-size:12px}.course-option h2{font-size:22px;margin:8px 0 0;font-weight:500}.course-option p{font-size:13px;margin:7px 0 0;color:#8b9683}.option-enter{display:flex;align-items:center;gap:10px;font-size:12px;color:#6d8262;position:absolute;right:24px;bottom:22px}.option-enter svg{width:18px;height:18px}.course-option:hover{background:#fffefa;border-color:#b5c8a7;box-shadow:0 5px 20px #30452d07}.module-banner p{max-width:900px}.module-banner strong{font-weight:500}.resource-workspace{background:#fffef9eb}.resource-nav{background:#e9eee1bd}.resource-detail{background:#fffefa8f}main[data-view=catalog],main[data-view=saved]{background:#fffefade}.theme-reader{background:#fffefade}
@media(max-width:1100px){.brand{min-width:235px}.brand b{font-size:20px}.app-header{gap:14px}.course-option{padding:20px}.course-option h2{font-size:20px}.option-enter{right:18px;bottom:18px}.course-options{gap:12px}}
@media(max-width:719px){.app-header{height:73px;min-height:73px;padding:0 17px}.brand{min-width:0;gap:10px}.brand>span.brand-copy{display:block}.brand-mark,.brand-mark svg{width:36px;height:36px}.brand b{font-size:20px;letter-spacing:0}.brand .brand-caption{gap:10px;margin-top:5px}.brand small{font-size:10px;letter-spacing:1px}.brand .signature{font-size:11px}.about-button{min-width:32px;width:32px}.course-options{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:none;grid-auto-rows:minmax(0,1fr);gap:11px}.course-option{padding:16px;justify-content:center;border-radius:14px;flex-direction:column;align-items:flex-start}.course-option small{font-size:10px}.course-option h2{font-size:17px;margin:6px 0 0;line-height:1.6}.course-option p{font-size:12px;margin-top:4px;line-height:1.6}.option-enter{position:static;margin-top:8px;font-size:0;gap:0;align-self:flex-end;min-height:0}.option-enter svg{width:16px;height:16px}.module-banner .module-icon{width:53px;height:53px}.module-banner h2{font-size:18px}.module-banner p{font-size:12px}.module-banner>strong{display:none}.mobile-nav{background:#fbfcf7f5;backdrop-filter:blur(18px)}.page-heading>.button{font-size:12px;min-height:36px}}
@media(max-height:720px) and (max-width:719px){.app-header{height:66px;min-height:66px}.brand b{font-size:18px}.brand .brand-caption{margin-top:4px}.course-option{padding:11px 14px}.course-option h2{font-size:16px;margin-top:3px}.course-option p{font-size:11px;margin-top:2px}.course-option small{font-size:10px}.option-enter{position:absolute;right:12px;bottom:10px}.module-banner p{display:none}.module-banner h2{font-size:16px}.module-banner .module-icon{width:43px;height:43px}.module-banner{padding:13px 16px}.course-options{gap:9px}}
@media(max-width:350px){.brand b{font-size:18px}.brand-mark,.brand-mark svg{width:32px;height:32px}.brand{gap:8px}.brand small{font-size:10px}.brand .signature{font-size:10px}.about-button{min-width:28px;width:28px}.course-option{padding:12px}.course-option h2{font-size:15px}.option-enter{display:none}}

@media(max-width:719px){.resource-detail{overflow:auto}.resource-intro{padding-bottom:16px;align-items:center;flex-shrink:0}.resource-intro .eyebrow{display:none}.resource-intro h2{font-size:20px;margin:0;white-space:nowrap}.resource-intro h2>span{display:none}.resource-intro .button.primary{margin:0}.resource-section-heading{flex-shrink:0}.resource-core{min-height:234px}.resource-row{min-height:78px}.resource-foot{flex-wrap:nowrap;flex-shrink:0}.resource-foot .text-button,.guide-link{font-size:11px}.module-banner p{display:none}.module-banner{align-items:center}.course-title{overflow-wrap:anywhere}}
@media(max-height:610px) and (max-width:719px){.resource-core{min-height:222px}.resource-row{min-height:74px}.resource-detail{padding:12px 14px}.resource-intro h2{font-size:18px}.resource-intro .button.primary{font-size:11px;padding:7px 9px}.resource-section-heading{padding:11px 0 3px}.resource-foot{padding-top:5px}}
.course-list{gap:10px}.course-row,.course-row:last-child{border:1px solid #dfe5d8;border-radius:10px;background:#fffefa;padding-left:15px;padding-right:15px}.course-row:hover{background:#f5f7ef;border-color:#bdcbb2}.course-row .row-number{color:#9aa68d}.course-list{padding:1px}.course-path{color:#8e9985}@media(max-width:719px){.course-list{gap:10px}.course-row,.course-row:last-child{padding-left:10px;padding-right:10px;border-radius:9px;gap:9px}}
.resource-nav .resource-track{border:1px solid transparent}.resource-nav .resource-track.active{border-color:#aabb98}.resource-intro{padding-bottom:22px}.resource-intro h2>span{display:inline}.resource-intro p{margin-top:7px}.resource-nav .resource-track:focus-visible{outline-offset:1px}@media(max-width:719px){.resource-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;padding:12px;border-right:0;border-bottom:1px solid var(--line);flex-shrink:0}.resource-nav .section-label,.resource-nav .track-dot,.resource-nav .resource-track>svg{display:none}.resource-nav .resource-track{display:flex;justify-content:center;text-align:center;min-height:40px;padding:8px 2px;border-radius:9px;font-size:12px;gap:0}.resource-track[data-rtrack=xueke]{background:#f6dfd0}.resource-track[data-rtrack=shiyan]{background:#dbe9f4}.resource-track[data-rtrack=tejiao]{background:#dfebd9}.resource-track[data-rtrack=ai]{background:#e9e1f2}.resource-track[data-rtrack=yuedu]{background:#f3dfe2}.resource-track[data-rtrack=keji]{background:#f4e8c7}.resource-nav .resource-track.active{border-color:#637753;box-shadow:inset 0 0 0 1px #637753;color:#33472e}.resource-intro{padding-bottom:13px}.resource-intro h2>span{display:inline;font-size:16px}.resource-detail{padding-top:16px;padding-bottom:14px}.resource-intro h2{font-size:21px}.resource-core{min-height:234px}.resource-foot{gap:5px}}
@media(max-height:720px) and (max-width:719px){.resource-nav{padding:9px;gap:6px}.resource-nav .resource-track{min-height:36px;font-size:11px;padding:5px 1px}.resource-intro{padding-bottom:9px}.resource-detail{padding:12px 14px}.resource-section-heading{padding:10px 0 4px}.resource-core{min-height:216px}.resource-row{min-height:72px;padding:8px 0}.resource-foot{padding-top:5px}.resource-intro h2{font-size:19px}}
@media(max-height:780px) and (max-width:719px){.resource-nav{padding:9px;gap:6px}.resource-nav .resource-track{min-height:36px;font-size:11px;padding:5px 1px}.resource-intro{padding-bottom:9px}.resource-detail{padding:12px 14px}.resource-section-heading{padding:10px 0 4px}.resource-core{min-height:216px}.resource-row{min-height:72px;padding:8px 0}.resource-foot{padding-top:5px}.resource-intro h2{font-size:19px}}
/* 课程目录：交替浅色底纹区分相邻课题，文字区保持干净。 */
main[data-view="catalog"] .course-row {
  --lab-bg: #edf5fc;
  --lab-line: #caddec;
  --lab-accent: #789dbb;
  --lab-dot: #789dbb29;
  background-color: var(--lab-bg);
  background-image: linear-gradient(90deg, var(--lab-bg) 0%, var(--lab-bg) 55%, transparent 100%), radial-gradient(circle, var(--lab-dot) .8px, transparent 1px);
  background-size: 100% 100%, 12px 12px;
  border-color: var(--lab-line);
  border-left: 4px solid var(--lab-accent);
}
main[data-view="catalog"] .course-row:nth-child(3n+2) {
  --lab-bg: #eef7f1;
  --lab-line: #cddfd2;
  --lab-accent: #87aa91;
  --lab-dot: #71957b29;
}
main[data-view="catalog"] .course-row:nth-child(3n) {
  --lab-bg: #f4f0fa;
  --lab-line: #ded4ed;
  --lab-accent: #a08db9;
  --lab-dot: #9682b129;
}
main[data-view="catalog"] .course-row:is(:hover,:focus-within) {border-color:var(--lab-accent)}
main[data-view="catalog"] .course-row .row-number {color:var(--lab-accent);font-weight:600}
main[data-view="catalog"] .course-row .course-meta {color:#657569}
main[data-view="catalog"] .course-row .course-path {color:#77857b}

/* 学段、校别和主题目录入口与课程列表采用一致的轻底纹。 */
.course-option {--entry-bg:#edf5fc;--entry-dot:#789dbb22;background-color:var(--entry-bg);background-image:linear-gradient(90deg,var(--entry-bg) 35%,transparent),radial-gradient(circle,var(--entry-dot) .8px,transparent 1px);background-size:100% 100%,14px 14px;border-color:#d5e3ee}
.course-option:nth-child(3n+2){--entry-bg:#eef7f1;--entry-dot:#71957b22;border-color:#d6e5da}
.course-option:nth-child(3n){--entry-bg:#f4f0fa;--entry-dot:#9682b122;border-color:#e1d9eb}
.course-option:hover{background-color:var(--entry-bg);background-image:linear-gradient(90deg,var(--entry-bg) 35%,transparent),radial-gradient(circle,var(--entry-dot) .8px,transparent 1px);border-color:#9cae91}

/* 为原先偏白的二级主题与目录筛选补色，保留已有入口和课题底纹。 */
main[data-view="themes"] .theme-reader {gap:14px;background:transparent}
main[data-view="themes"] .theme-card {
  --theme-paper:#f0f5fa;
  --theme-edge:#dbe5ee;
  --theme-dot:#89a3bc20;
  background-color:var(--theme-paper);
  background-image:linear-gradient(110deg,var(--theme-paper) 30%,transparent 100%),radial-gradient(circle,var(--theme-dot) .8px,transparent 1px);
  background-size:100% 100%,15px 15px;
  border:1px solid var(--theme-edge);
  border-radius:16px;
}
main[data-view="themes"] .theme-card:nth-child(even) {
  --theme-paper:#f3f0f8;
  --theme-edge:#e3dced;
  --theme-dot:#a18bb620;
}
main[data-view="catalog"] .filter-fields select,
#mobile-filters .filter-fields select,
main[data-view="themes"] .theme-controls select {
  background-color:#eef4f7;
  background-image:radial-gradient(circle,#91a6b41c .7px,transparent 1px);
  background-size:12px 12px;
  border:1px solid #dce5eb;
  border-radius:8px;
  padding-left:10px;
  padding-right:24px;
}
main[data-view="catalog"] .filter-fields label:nth-child(even) select,
#mobile-filters .filter-fields label:nth-child(even) select,
main[data-view="themes"] .theme-controls label:nth-child(even) select {
  background-color:#f0f5ef;
  border-color:#dde6d9;
}
@media(max-width:719px) {
  main[data-view="themes"] .theme-reader {gap:12px}
  main[data-view="themes"] .theme-card {border-radius:14px}
}