:root{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:#172b4d;background:#eef3fa;font-synthesis:none;line-height:1.6;--blue:#365ee8;--muted:#62738a}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button{cursor:pointer;border:1px solid #d4deed;background:#fff;color:#172b4d;border-radius:8px;padding:10px 17px;font-weight:600}button:hover:enabled{border-color:var(--blue);color:var(--blue)}button:disabled{opacity:.45;cursor:not-allowed}button.primary{background:var(--blue);border-color:var(--blue);color:#fff}button.primary:hover:enabled{background:#264bd0;color:#fff}button.quiet{background:transparent;border-color:transparent;color:var(--muted)}button.stop{color:#a33939;border-color:#e2cbcb}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid 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button.selected{background:#e6edfe}.history .badge{white-space:nowrap}.log-heading{display:flex;justify-content:space-between;align-items:center;margin:22px 0 9px}.logs{background:#f6f8fc;border:1px solid #e1e8f2;border-radius:7px;height:260px;overflow:auto;padding:13px;color:#41536d;font-size:12px;overflow-wrap:anywhere}.logs p{margin:0 0 7px;white-space:pre-wrap}.logs .error{color:#a33939}.logs time{color:#7e8ca1;margin-right:8px}.empty{padding:28px 12px;color:var(--muted);font-size:14px}.qr-panel{display:flex;justify-content:space-between;align-items:center;gap:25px;background:#fff;border:1px solid #bdcff5;border-radius:12px;margin-bottom:25px;padding:22px}.qr-panel p{font-size:13px;color:var(--muted);margin:9px 0}.qr-frame{min-height:238px;min-width:238px;display:grid;place-items:center}.qr-frame img{display:block;image-rendering:pixelated;background:white}.notice{margin-bottom:16px;padding:12px 16px;color:#a33939;background:#fff3f3;border:1px solid #efd7d7;border-radius:8px;font-size:14px}footer{display:flex;justify-content:space-between;color:#8190a5;font-size:12px;margin-top:25px}@media(max-width:1150px){.workspace{grid-template-columns:185px minmax(0,1fr)}aside{padding:26px 15px}main{padding:28px 22px}.columns{grid-template-columns:1fr;gap:20px}}@media(max-width:620px){.workspace{display:block}aside{flex-direction:row;align-items:center;gap:10px;padding:14px 18px}.brand{font-size:14px}.nav-item,.aside-note{display:none}aside button.quiet{margin:0 0 0 auto;font-size:12px;text-align:right;padding:5px}main{padding:24px 16px}h1{font-size:26px}.account-strip{align-items:flex-start;padding:17px;flex-direction:column;gap:10px}.account-strip button{width:100%}.course-section,.task-section{padding:18px}.qr-panel{flex-direction:column;align-items:flex-start}.qr-frame{margin:auto}.login-panel{padding:28px}footer span{display:none}.section-heading{gap:5px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

.course-row .course-date{display:block;margin-top:5px}