:root{font-family:Microsoft YaHei,PingFang SC,Arial,sans-serif;color:#17251d;background:#f2f5f1;letter-spacing:0;--green: #237b52;--deep: #152c20;--line: #dce4dd;--muted: #6a776f;--paper: #fff;--red: #c84e47}.workspace-tabs{display:flex;gap:4px;margin:12px 0 8px}.workspace-tabs button{border:0;background:transparent;padding:9px 13px;color:var(--muted);display:flex;align-items:center;gap:7px;font-size:11px}.workspace-tabs button svg{width:15px}.workspace-tabs button.active{background:#173427;color:#fff}.workspace-tabs button b{background:#dfeae3;color:#24563d;padding:2px 5px;border-radius:3px}.feed-workspace{display:grid;grid-template-columns:155px minmax(0,1fr) 210px;gap:12px;align-items:start}.platform-filter,.social-feed,.feed-summary{background:#fff;border:1px solid var(--line)}.platform-filter{padding:14px 10px}.platform-filter h2,.feed-summary h2{font-size:12px;margin:0 7px 12px}.platform-filter button{width:100%;border:0;background:transparent;padding:9px 8px;display:flex;justify-content:space-between;color:#4c5b53;font-size:10px}.platform-filter button.active{background:#e8f1eb;color:var(--green);font-weight:700}.platform-filter button b{font:700 10px Georgia,serif}.social-feed>header{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.social-feed>header span{font-size:9px;color:var(--green);font-weight:800}.social-feed>header h2{font-size:15px;margin:3px 0}.social-feed>header small{font-size:9px;color:var(--muted)}.social-feed>article{display:grid;grid-template-columns:38px 1fr;gap:12px;padding:16px 18px;border-bottom:1px solid #e8ede9}.platform-logo{width:34px;height:34px;display:grid;place-items:center;color:#fff;background:#397858;font-weight:800;border-radius:4px}.platform-logo.video{background:#242a27}.platform-logo.news{background:#9a4541}.platform-logo.qa{background:#356d9b}.platform-logo.group{background:#4e915a}.post-author{display:flex;align-items:center;gap:5px}.post-author>b{font-size:11px}.post-author svg{width:13px;color:#2e78b7}.post-author span{font-size:8px;background:#edf2ee;color:#627168;padding:2px 4px}.post-author time{margin-left:auto;font-size:9px;color:var(--muted)}.post-content>p{font-size:12px;line-height:1.65;margin:8px 0;color:#34473c}.post-meta{display:flex;gap:18px;align-items:center}.post-meta span{display:flex;align-items:center;gap:4px;color:#7a8780;font-size:9px}.post-meta svg{width:12px}.post-meta>b{margin-left:auto;font-size:9px;padding:3px 5px}.post-meta .negative{background:#fae8e6;color:#ad423b}.post-meta .positive{background:#e4f2e9;color:#24704b}.feed-summary{padding:15px}.feed-summary>div{padding:12px 5px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.feed-summary span{font-size:9px;color:var(--muted)}.feed-summary b{font:700 18px Georgia,serif}.feed-summary p{font-size:9px;color:#839087;line-height:1.6;margin:14px 5px 2px}.feed-empty{padding:60px;text-align:center;color:var(--muted)}.feed-empty svg{width:28px}.feed-empty p{font-size:10px}@media(max-width:850px){.feed-workspace{grid-template-columns:1fr}.platform-filter{display:flex;overflow:auto;padding:7px}.platform-filter h2{display:none}.platform-filter button{width:auto;min-width:max-content;gap:8px}.feed-summary{display:grid;grid-template-columns:repeat(3,1fr)}.feed-summary h2,.feed-summary p{grid-column:1/-1}.feed-summary>div{display:block;text-align:center}.social-feed>article{padding:13px}.post-meta{gap:10px}.post-meta>b{margin-left:auto}.workspace-tabs{position:sticky;top:0;z-index:2;background:#edf1ee;padding:4px 0}}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.6}.login-page{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr;background:#f6f8f5}.login-brand{background:var(--deep);color:#fff;display:flex;align-items:center;justify-content:center;gap:25px}.login-brand h1{font-family:STKaiti,KaiTi,serif;font-size:62px;margin:4px 0}.login-brand h2{font-size:24px;margin:0 0 20px}.login-brand p{letter-spacing:4px;color:#8fc6a6}.login-brand span{color:#aabbb1}.mark{width:74px;height:74px;background:#f5f0df;border-radius:7px;padding:14px;display:flex;gap:6px;align-items:flex-end}.mark i{width:11px;background:#277c54;border-radius:7px 7px 2px 2px}.mark i:nth-child(1){height:27px}.mark i:nth-child(2){height:47px}.mark i:nth-child(3){height:35px}.mark.small{width:38px;height:38px;padding:8px;gap:3px}.mark.small i{width:6px}.mark.small i:nth-child(1){height:13px}.mark.small i:nth-child(2){height:23px}.mark.small i:nth-child(3){height:17px}.login-card{display:grid;place-items:center;padding:40px}.login-card form{width:min(390px,100%);background:#fff;border:1px solid var(--line);padding:35px;border-radius:7px;box-shadow:0 20px 60px #162d201a}.login-card h2{font-size:28px;margin:6px 0}.eyebrow{font-size:10px;font-weight:800;color:var(--green);letter-spacing:2px;margin:0}.muted{color:var(--muted);font-size:12px}.login-card label,.form label{display:block;font-size:12px;font-weight:700;margin:20px 0}.login-card input,.form input,.form select,.form textarea,.join-form input{display:block;width:100%;border:1px solid #ccd6cf;padding:11px 12px;border-radius:5px;margin-top:7px;background:#fff}.primary,.secondary{border:1px solid var(--green);border-radius:5px;padding:10px 15px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700}.primary{background:var(--green);color:#fff}.secondary{background:#fff;color:var(--green)}.primary svg,.secondary svg{width:17px}.login-card .primary{width:100%;margin-top:10px}.error,.success{padding:9px 11px;border-radius:4px;font-size:11px}.error{background:#fae9e7;color:#a53f39}.success{background:#e6f3eb;color:#176940}.demo-accounts{margin-top:22px;padding-top:16px;border-top:1px solid var(--line);display:flex;gap:6px;flex-wrap:wrap}.demo-accounts b{font-size:11px;width:100%}.demo-accounts button{border:0;background:#edf3ef;color:#315f48;border-radius:3px;padding:5px 7px;font-size:10px}.demo-accounts small{color:var(--muted);width:100%;margin-top:3px}.shell{min-height:100vh;display:grid;grid-template-columns:225px 1fr}.shell>aside{background:var(--deep);color:#fff;padding:25px 17px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:11px;padding:0 8px 30px}.brand strong,.brand small{display:block}.brand strong{font-family:STKaiti,KaiTi,serif;font-size:24px}.brand small{color:#a9b9b0;font-size:10px}.shell nav{display:grid;gap:7px}.shell nav button{border:0;background:transparent;color:#b8c6bd;padding:12px;text-align:left;border-radius:5px;display:flex;align-items:center;gap:10px}.shell nav button.active{background:#294436;color:#fff}.shell nav svg{width:17px}.profile{margin-top:auto;border-top:1px solid #385044;padding:17px 4px 0;display:flex;align-items:center;gap:9px}.profile>div{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#dceee3;color:var(--green);font-weight:800}.profile span{flex:1}.profile b,.profile small{display:block}.profile b{font-size:12px}.profile small{font-size:9px;color:#9fb0a6}.profile button{border:0;background:transparent;color:#adc0b4}.profile svg{width:16px}.shell>main{padding:38px 42px;min-width:0}.shell>main>header{display:flex;justify-content:space-between;align-items:center}.shell h1{font-size:27px;margin:5px 0}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:28px 0}.stats div{background:#fff;border:1px solid var(--line);padding:18px;border-radius:6px}.stats span,.stats strong{display:block}.stats span{color:var(--muted);font-size:11px}.stats strong{font:700 28px Georgia,serif;margin-top:8px}.list-head{display:flex;justify-content:space-between;align-items:center}.list-head h2{font-size:17px}.icon-button{width:34px;height:34px;border:1px solid var(--line);background:#fff;border-radius:5px}.icon-button svg{width:15px}.exercise-list{display:grid;gap:10px}.exercise-list article{background:#fff;border:1px solid var(--line);padding:17px;border-radius:6px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;transition:.2s}.exercise-list article:hover{border-color:#8ab69e;transform:translateY(-1px);box-shadow:0 8px 25px #1e3c2a0f}.exercise-list article>svg{width:19px;color:var(--green)}.status{font-size:10px;font-weight:700;padding:5px 8px;border-radius:3px;background:#edf1ee;color:#5b665f;width:max-content}.status.open,.status.running{background:#e5f3eb;color:#187048}.status.paused{background:#fff0dc;color:#a3651d}.status.finished{background:#eee;color:#666}.exercise-copy{display:flex;justify-content:space-between;gap:20px}.exercise-copy small{color:var(--green);font-weight:700}.exercise-copy h3{margin:5px 0;font-size:15px}.exercise-copy p{font-size:11px;color:var(--muted);margin:0}.meta{min-width:250px;display:grid;grid-template-columns:1fr 1fr;gap:7px;font-size:10px}.meta span{display:flex;align-items:center;gap:5px;color:var(--muted)}.meta svg{width:13px}.meta b{grid-column:1/-1;color:#435249}.empty{text-align:center;background:#fff;border:1px dashed #bdc9c1;padding:55px;border-radius:6px}.empty svg{width:35px;color:#8baa97}.modal-backdrop{position:fixed;inset:0;background:#0e1e1594;z-index:10;display:grid;place-items:center;padding:20px}.modal{width:min(690px,96vw);max-height:92vh;overflow:auto;background:#fff;border-radius:7px;box-shadow:0 28px 80px #00000040}.modal>header{padding:19px 23px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.modal>header h2{font-size:18px;margin:0}.modal>header button{border:0;background:transparent;font-size:25px}.form,.detail,.join-form{padding:23px}.form label{margin:0 0 16px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 15px}.form>.primary{float:right}.join-form{text-align:center}.scan-symbol{width:70px;height:70px;background:#e5f3eb;color:var(--green);border-radius:50%;display:grid;place-items:center;margin:auto}.scan-symbol svg{width:34px}.join-form input{font-size:27px;text-align:center;letter-spacing:5px;text-transform:uppercase;max-width:300px;margin:18px auto}.join-form .primary{width:300px}.detail{display:grid;grid-template-columns:1fr 210px;gap:22px}.detail>div>p{color:var(--muted);font-size:12px;line-height:1.7}.detail dl{display:grid;grid-template-columns:1fr 1fr;gap:10px}.detail dl div{background:#f4f7f4;padding:10px}.detail dt{font-size:9px;color:var(--muted)}.detail dd{font-weight:700;margin:5px 0 0}.qr{text-align:center;border-left:1px solid var(--line);padding-left:20px}.qr img{width:175px}.qr b,.qr small{display:block}.qr small{font:700 23px Georgia,serif;color:var(--green);margin:5px}.qr p{font-size:8px;color:var(--muted);word-break:break-all}.participants{margin-top:16px}.participants h3{font-size:12px}.participants span{display:flex;align-items:center;gap:7px;font-size:11px;margin:6px 0}.participants span i{width:22px;height:22px;border-radius:50%;background:#e6f2eb;display:grid;place-items:center;font-style:normal}.participants span small{margin-left:auto;color:var(--muted)}.detail-actions{display:flex;gap:8px;margin-top:18px}.loading{min-height:100vh;display:grid;place-items:center;color:var(--green)}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:850px){.login-page{grid-template-columns:1fr}.login-brand{min-height:230px;padding:30px}.login-brand h1{font-size:42px}.shell{display:block}.shell>aside{height:64px;position:fixed;z-index:5;inset:auto 0 0;padding:5px}.brand,.profile{display:none}.shell nav{grid-template-columns:1fr}.shell nav button{justify-content:center;font-size:10px;padding:8px}.shell>main{padding:25px 14px 85px}.stats{grid-template-columns:1fr 1fr}.exercise-copy{display:block}.meta{margin-top:12px;min-width:0}.detail{grid-template-columns:1fr}.qr{border-left:0;border-top:1px solid var(--line);padding:18px 0 0}.form-grid{grid-template-columns:1fr}.header-actions .primary{padding:9px}.exercise-list article{grid-template-columns:auto 1fr}.exercise-list article>svg{display:none}}.panel-actions{display:flex;gap:7px}.panel-actions button{font-size:10px;padding:7px 10px}.review-page{min-height:100vh;background:#edf1ee}.print-button{border:1px solid #5b7467;background:#f5f0df;color:#234432;border-radius:5px;padding:9px 12px;display:flex;align-items:center;gap:7px;font-weight:700}.print-button svg{width:16px}.review-main{max-width:1280px;margin:auto;padding:24px 28px 45px}.review-hero{background:#173427;color:#fff;padding:25px 28px;display:flex;justify-content:space-between;align-items:center;gap:30px}.review-hero span,.review-title span{font-size:9px;color:#77b492;font-weight:800}.review-hero h2{font-size:24px;margin:7px 0}.review-hero p{font-size:11px;color:#b8c8bf;margin:0}.score-ring{width:115px;height:115px;border:1px solid #486759;display:grid;place-content:center;text-align:center;flex:0 0 auto}.score-ring svg{width:18px;margin:auto;color:#e6d99d}.score-ring strong{font:700 34px Georgia,serif}.score-ring span{color:#a6b8ae}.review-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:12px 0}.review-stats>div{background:#fff;border:1px solid var(--line);padding:16px;display:grid;grid-template-columns:28px 1fr;align-items:center}.review-stats svg{grid-row:1/3;width:18px;color:var(--green)}.review-stats span{font-size:9px;color:var(--muted)}.review-stats b{font-size:16px}.review-columns{display:grid;grid-template-columns:1.1fr .9fr;gap:12px}.review-panel{background:#fff;border:1px solid var(--line)}.review-title{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.review-title h2{font-size:15px;margin:3px 0}.review-title>b{font:700 20px Georgia,serif;color:var(--green)}.ranking-table>div{display:grid;grid-template-columns:45px 1fr .8fr 65px 50px;gap:8px;padding:11px 16px;border-bottom:1px solid #e8ede9;align-items:center;font-size:10px}.ranking-table .ranking-head{background:#f5f7f5;color:var(--muted)}.ranking-table strong{font:700 15px Georgia,serif;color:var(--green)}.task-stats{padding:5px 18px 18px}.task-stats article{padding:13px 0;border-bottom:1px solid #e8ede9}.task-stats article>div:first-child{display:flex;justify-content:space-between;gap:12px;margin-bottom:8px}.task-stats b{font-size:11px}.task-stats span{font-size:9px;color:var(--muted)}.submission-review{padding:8px 18px 20px}.submission-review article{display:grid;grid-template-columns:30px 1fr 60px;gap:12px;padding:14px 0;border-bottom:1px solid #e8ede9;align-items:center}.submission-review i{width:28px;height:28px;background:#edf5f0;color:var(--green);display:grid;place-items:center;font-style:normal;font-weight:700}.submission-review h3{font-size:12px;margin:0 0 5px}.submission-review p{font-size:10px;color:var(--muted);margin:0}.submission-review strong{color:var(--green);font-size:12px}.review-page .metric-track i{background:var(--green)}@media(max-width:850px){.review-main{padding:12px}.review-hero{padding:18px}.review-hero h2{font-size:18px}.score-ring{width:82px;height:82px}.score-ring strong{font-size:24px}.review-stats{grid-template-columns:1fr 1fr}.review-columns{grid-template-columns:1fr}.ranking-table>div{grid-template-columns:34px 1fr 55px 45px}.ranking-table>div>*:nth-child(3){display:none}.print-button{font-size:0;padding:8px}.print-button svg{margin:0}.panel-actions{flex-wrap:wrap;justify-content:flex-end}}@media print{.runtime-top .back-button,.print-button{display:none}.runtime-top{grid-template-columns:1fr;height:60px}.review-main{padding:15px;max-width:none}.review-page{background:#fff}.review-panel,.review-stats>div{break-inside:avoid}}.auth-tabs,.detail-tabs{display:flex;background:#eef2ef;padding:3px;border-radius:5px;margin:18px 0}.auth-tabs button,.detail-tabs button{flex:1;border:0;background:transparent;padding:8px;color:var(--muted);border-radius:4px}.auth-tabs button.active,.detail-tabs button.active{background:#fff;color:var(--green);font-weight:700;box-shadow:0 1px 4px #00000014}.detail-tabs{margin:18px 23px 0}.people-table,.audit-list{padding:20px 23px 25px}.table-row{display:grid;grid-template-columns:1fr 1.3fr .7fr 1.4fr;gap:12px;padding:11px 8px;border-bottom:1px solid var(--line);font-size:11px}.table-head{color:var(--muted);background:#f4f7f4}.audit-list>div{display:grid;grid-template-columns:110px 1fr auto;align-items:center;gap:12px;padding:12px;border-bottom:1px solid var(--line);font-size:11px}.audit-list time{color:var(--muted)}@media(max-width:850px){.table-row{grid-template-columns:1fr 1fr}.table-head b:nth-child(n+3){display:none}.audit-list>div{grid-template-columns:80px 1fr}.audit-list time{grid-column:1/-1}}.runtime{min-height:100vh;background:#edf1ee;color:#17251d}.runtime-top{height:76px;background:#142c20;color:#fff;display:grid;grid-template-columns:130px 1fr auto;align-items:center;padding:0 32px;gap:18px}.runtime-top h1{font-size:18px;margin:3px 0}.runtime-top p{font-size:10px;color:#91aa9c;margin:0}.back-button{border:1px solid #3a5447;background:transparent;color:#fff;border-radius:5px;padding:8px 11px;display:flex;align-items:center;gap:6px;width:max-content}.back-button svg{width:16px}.live-state{display:flex;align-items:center;gap:8px;font-size:11px}.live-state i{width:8px;height:8px;background:#9baaa1;border-radius:50%}.live-state i.online{background:#50c584;box-shadow:0 0 0 4px #50c58421}.live-state b{font-size:13px;background:#f5f0df;color:#284c39;padding:7px 12px;border-radius:4px;margin-left:9px}.runtime>main{padding:20px 28px 35px;max-width:1500px;margin:auto}.incident-bar{background:#fff;border-left:4px solid #c75249;padding:15px 18px;display:flex;align-items:center;justify-content:space-between;gap:25px}.incident-bar>div:first-child{display:grid;gap:5px}.incident-bar span{font-size:10px;color:var(--muted)}.incident-bar strong{font-size:14px}.incident-bar>div:last-child{border-left:1px solid var(--line);padding-left:22px;display:flex;align-items:center;gap:10px;min-width:135px}.incident-bar svg{width:20px;color:var(--green)}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:12px 0}.runtime-metric{background:#fff;padding:14px 16px;border:1px solid var(--line)}.runtime-metric>div:first-child{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:10px}.runtime-metric svg{width:15px;color:var(--green)}.runtime-metric strong{display:block;font:700 26px Georgia,serif;margin:9px 0}.metric-track{height:3px;background:#e7ece8}.metric-track i{height:100%;display:block;background:var(--green)}.runtime-columns{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);gap:12px}.runtime-panel{background:#fff;border:1px solid var(--line);min-width:0}.panel-title{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.panel-title span{color:var(--green);font-size:9px;font-weight:800}.panel-title h2{font-size:15px;margin:3px 0}.panel-title>b{font:700 19px Georgia,serif;color:var(--green)}.task-item{display:grid;grid-template-columns:42px 1fr;gap:10px;padding:15px 18px;border-bottom:1px solid #e8ede9}.task-order{width:32px;height:32px;display:grid;place-items:center;background:#eef3ef;color:var(--green);font:700 11px Georgia,serif}.task-order svg{width:17px}.task-body>div:first-child{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.task-body h3{font-size:13px;margin:0 0 4px}.task-body span{font-size:10px;color:var(--muted)}.task-body>.secondary{margin-top:10px;padding:6px 10px;font-size:10px}.task-item.complete{background:#f8fbf9}.feedback{display:flex;gap:10px;align-items:center;background:#edf6f0;padding:8px 10px;margin-top:9px}.feedback b{color:var(--green);font-size:12px;white-space:nowrap}.feedback p{font-size:10px;margin:0;color:#4b6255}.task-editor{margin-top:10px}.task-editor textarea{width:100%;resize:vertical;border:1px solid #bdcbc2;border-radius:4px;padding:10px;font-size:11px}.task-editor>div{display:flex;align-items:center;justify-content:space-between;margin-top:6px}.task-editor small{color:var(--muted)}.task-editor .primary{padding:7px 10px;font-size:10px}.timeline{padding:5px 18px 20px;max-height:590px;overflow:auto}.timeline article{display:grid;grid-template-columns:13px 1fr;gap:10px;padding:15px 0;border-bottom:1px solid #e8ede9}.timeline article>i{width:9px;height:9px;background:#6a8c79;border-radius:50%;margin-top:3px}.timeline article>i.injection{background:#c75249}.timeline article>i.action{background:#2a8960}.timeline article>div>div{display:flex;justify-content:space-between;gap:10px}.timeline b{font-size:11px}.timeline time,.timeline small{font-size:9px;color:var(--muted)}.timeline p{font-size:11px;line-height:1.55;color:#4d5d54;margin:6px 0}.runtime-error{background:#fae9e7;color:#a53f39;padding:9px 12px;margin-bottom:10px;font-size:11px}.runtime-loading{min-height:100vh;display:grid;place-content:center;justify-items:center;color:var(--green);gap:8px}.runtime-loading svg{width:28px}.runtime-loading button{border:0;background:transparent;color:var(--green)}@media(max-width:850px){.runtime-top{height:auto;min-height:72px;grid-template-columns:auto 1fr;padding:10px 14px}.runtime-top>div:nth-child(2) h1{font-size:13px}.live-state{grid-column:1/-1;justify-content:flex-end;margin-top:-14px}.runtime>main{padding:12px}.incident-bar{display:block}.incident-bar>div:last-child{display:none}.metric-grid{grid-template-columns:1fr 1fr}.runtime-columns{grid-template-columns:1fr}.timeline-panel{order:-1}.timeline{max-height:330px}.runtime-metric{padding:11px}.runtime-metric strong{font-size:21px}.panel-title,.task-item{padding:13px}.live-state b{padding:5px 8px}.back-button{padding:7px}.runtime-top{gap:10px}}