:root{--blue:#1769e0;--blue2:#0f5bcc;--bg:#f5f7fb;--line:#dce3ee;--text:#172033;--muted:#667085;--green:#067647;--amber:#b54708;--violet:#6941c6}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:14px}button,input,select,textarea{font-family:inherit}button{cursor:pointer}
.header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}.topbar{max-width:1280px;margin:auto;height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 24px}.brand{display:flex;align-items:center;gap:12px}.brand-badge{width:112px;height:57px;border-radius:7px;background:transparent;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:0}.brand-badge img{width:100%;height:100%;object-fit:contain;display:block}.brand-title{font-weight:900;font-size:17px}.brand-subtitle{font-size:12px;color:var(--muted);margin-top:2px}.role-nav{display:flex;gap:6px}.role-nav button,.subnav button{border:0;border-radius:8px;font-weight:800}.role-nav button{background:transparent;color:#344054;padding:10px 14px}.role-nav button.active{background:var(--blue);color:#fff}.subnav{background:#fff;border-bottom:1px solid var(--line)}.subnav.is-hidden{display:none}.subnav-inner{max-width:1280px;margin:auto;display:flex;gap:8px;padding:12px 24px;overflow:auto}.subnav button{white-space:nowrap;background:#f1f4f9;color:#344054;padding:9px 14px}.subnav button.active{background:#172033;color:#fff}
.container{max-width:1280px;margin:0 auto;padding:24px}.hero{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px;margin-bottom:18px}.hero h1{font-size:32px;margin:10px 0 8px;letter-spacing:0}.desc{color:var(--muted);line-height:1.7;margin:0 0 16px}.tag{display:inline-flex;border:1px solid #c9dcff;background:#eef5ff;color:var(--blue);border-radius:999px;padding:5px 10px;font-size:12px;font-weight:900}.grid{display:grid;gap:14px}.cols2{grid-template-columns:repeat(2,1fr)}.cols3{grid-template-columns:repeat(3,1fr)}.cols4{grid-template-columns:repeat(4,1fr)}
.night-school-visual{width:100%;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;margin:0 0 18px;display:grid;grid-template-columns:420px minmax(0,1fr);align-items:stretch}.night-school-visual-media{background:#fff;display:flex;align-items:center;border-right:1px solid var(--line)}.night-school-visual-media img{display:block;width:100%;aspect-ratio:16/9;object-fit:contain;background:#fff}.night-school-visual-bar{padding:22px 24px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.night-school-visual-bar h2{font-size:22px;margin:12px 0 8px}.night-school-visual-bar p{margin:0;color:var(--muted);line-height:1.7}.night-school-visual-bar .stack-line{margin:14px 0 10px}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px;margin-bottom:18px}.card h2,.card h3{margin:0 0 6px}.card h2{font-size:20px}.card h3{font-size:18px}.item-title{margin-top:10px}.btn{border:0;border-radius:8px;background:var(--blue);color:#fff;font-weight:900;padding:10px 16px}.btn:hover{background:var(--blue2)}.btn.secondary{background:#fff;color:#344054;border:1px solid var(--line)}.btn.small{font-size:12px;padding:7px 10px}.task{border:1px solid #bdd8ff;background:#eef5ff;border-radius:10px;padding:18px;text-align:left}.task b{font-size:18px}.task p,.quick p{color:var(--muted);line-height:1.55;margin:8px 0 0}.quick{border:1px solid var(--line);background:#fff;border-radius:10px;padding:16px;text-align:left}.quick b{font-size:16px}.activity-grid{align-items:stretch}.activity-card{min-height:318px;display:flex;flex-direction:column;justify-content:space-between}.activity-card-footer{margin-top:18px}.activity-card-footer .stack-line{min-height:56px}
.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.stat{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px}.num{font-size:25px;font-weight:900;color:var(--blue);line-height:1.1}.label{color:var(--muted);font-size:12px;margin-top:5px}.pill{display:inline-flex;border:1px solid var(--line);background:#f8fafc;color:#344054;border-radius:999px;padding:4px 8px;font-size:12px;font-weight:800;margin-right:6px;margin-bottom:6px}.pill.blue{background:#eef5ff;color:#175cd3;border-color:#c9dcff}.pill.green{background:#ecfdf5;color:var(--green);border-color:#bdebdc}.pill.amber{background:#fff7ed;color:var(--amber);border-color:#fed7aa}.pill.violet{background:#f5f3ff;color:var(--violet);border-color:#ddd6fe}.stack-line{margin:12px 0}
.notice{border:1px solid #bdebdc;background:#ecfdf5;color:var(--green);border-radius:10px;padding:14px;line-height:1.7;margin:14px 0}.warning{border-color:#fed7aa;background:#fff7ed;color:var(--amber)}.filters{display:grid;grid-template-columns:160px 160px 1fr auto;gap:12px;align-items:end;margin-bottom:16px}.field-label{display:block;font-weight:900;margin-bottom:6px}input,select,textarea{border:1px solid var(--line);border-radius:8px;background:#fff;outline:none;width:100%;padding:11px}textarea{min-height:100px}.block-field{display:block;margin-top:14px}.align-right{text-align:right}.progress{height:10px;background:#eef2f7;border-radius:99px;overflow:hidden;margin:10px 0}.bar{height:100%;background:var(--blue);border-radius:99px}
.table-wrap{width:100%;overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:#fff}table{width:max-content;min-width:640px;border-collapse:collapse}th,td{border-bottom:1px solid #edf1f6;text-align:left;vertical-align:top;padding:11px 10px}th{background:#f8fafc;color:#667085;font-size:12px;white-space:nowrap}td.nowrap{white-space:nowrap}.topic{min-width:0;max-width:360px;line-height:1.6}.timeline{display:grid;gap:10px}.event{display:grid;grid-template-columns:150px 1fr auto;gap:12px;align-items:start;border:1px solid var(--line);background:#fff;border-radius:10px;padding:12px}
.float-tools{position:fixed;left:16px;right:16px;bottom:16px;z-index:10;display:flex;justify-content:flex-end;flex-wrap:wrap;gap:8px}.float-tools button{width:72px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:9px 7px;color:#344054;font-weight:900;box-shadow:0 6px 18px rgba(16,24,40,.06)}.toast{position:fixed;right:22px;top:22px;z-index:60;max-width:min(420px,calc(100vw - 44px));background:#102033;color:#fff;border-radius:10px;padding:13px 16px;box-shadow:0 14px 34px rgba(16,24,40,.18);font-weight:800;line-height:1.6}.footer{margin-top:28px;background:#fff;border-top:1px solid var(--line);padding:22px;color:#667085}.footer-inner{padding:0}.footer-record{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line);font-size:13px}.footer-record a{color:#475467;text-decoration:none}.footer-record a:hover{text-decoration:underline}.modal-mask{position:fixed;inset:0;background:rgba(15,23,42,.35);display:none;align-items:center;justify-content:center;padding:24px;z-index:40}.modal{background:#fff;border:1px solid var(--line);border-radius:12px;max-width:760px;width:100%;max-height:calc(100vh - 48px);padding:22px;overflow:hidden;display:flex;flex-direction:column}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px;flex-shrink:0}.mentor-list{max-height:52vh;overflow:auto;border:1px solid var(--line);border-radius:10px;background:#fff}.mentor-list .table-wrap{border:0;border-radius:0}.mentor-list table{width:100%;min-width:680px;table-layout:fixed}.mentor-list th{position:sticky;top:0;z-index:1}.mentor-list th,.mentor-list td{padding:11px 10px}.mentor-list th:nth-child(1),.mentor-list td:nth-child(1){width:58px}.mentor-list th:nth-child(2),.mentor-list td:nth-child(2){width:145px}.mentor-list th:nth-child(3),.mentor-list td:nth-child(3){width:105px}.mentor-list th:nth-child(4),.mentor-list td:nth-child(4){width:auto}.mentor-list td.topic{min-width:0}.mentor-list td:nth-child(4){line-height:1.55}
.checkin-display{text-align:center}.qr-box{width:216px;height:216px;margin:18px auto 12px;display:grid;grid-template-columns:repeat(9,1fr);gap:4px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px}.qr-box span{background:#eef2f7;border-radius:3px}.qr-box span.on{background:#172033}.checkin-code{display:inline-block;font-size:30px;font-weight:900;letter-spacing:2px;color:var(--blue);background:#eef5ff;border:1px solid #c9dcff;border-radius:10px;padding:10px 16px;margin:4px 0 10px}
.poster-preview{border:1px solid #bdd8ff;background:linear-gradient(135deg,#f8fbff 0%,#eef5ff 62%,#ecfdf5 100%);border-radius:12px;padding:22px;display:grid;grid-template-columns:1fr 250px;gap:18px;align-items:center}.poster-preview h2{font-size:30px;line-height:1.2;margin:14px 0 10px}.poster-main p{color:#344054;line-height:1.7}.poster-meta{display:grid;grid-template-columns:54px 1fr;gap:8px 12px;margin-top:18px;color:#344054}.poster-meta b{color:#172033}.poster-side{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center}.poster-side .qr-box{width:180px;height:180px;margin:0 auto 10px}.poster-code{font-size:18px;letter-spacing:1px}.poster-side p{font-weight:900;color:#172033;margin:4px 0 0}
.learner-option{width:100%;cursor:pointer}.learner-option:hover,.learner-option.selected{border-color:#bdd8ff;background:#eef5ff}.field-action{display:flex;align-items:end}
.score-hero .stats{margin-top:14px}.my-rank-card{border:1px solid #bdd8ff;background:#eef5ff;border-radius:12px;padding:18px;margin:14px 0;display:flex;align-items:center;justify-content:space-between;gap:18px}.my-rank-card h2{font-size:24px;margin:10px 0 6px}.my-rank-card p{color:#667085;margin:0;font-weight:800}.my-score{font-size:42px;font-weight:900;color:var(--blue);line-height:1;white-space:nowrap}.my-score span{font-size:14px;color:#667085;margin-left:4px}.rank-board{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}.rank-row{display:grid;grid-template-columns:54px 48px minmax(0,1fr) 120px;gap:14px;align-items:center;padding:13px 16px;border-bottom:1px solid #edf1f6}.rank-row:last-child{border-bottom:0}.rank-row.mine{background:#eef5ff}.rank-index{font-size:18px;font-weight:900;color:#667085;text-align:center}.rank-index.gold{color:#b54708}.rank-index.silver{color:#475467}.rank-index.bronze{color:#92400e}.rank-avatar{width:42px;height:42px;border-radius:10px;background:linear-gradient(135deg,#1769e0,#7dd3fc);color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center}.rank-info{min-width:0}.rank-info b{font-size:16px}.rank-info p{margin:5px 0 0;color:#667085;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.rank-score{text-align:right;font-size:28px;font-weight:900;color:var(--green)}
.proof-preview{min-height:150px;border:1px dashed #bdd8ff;background:#f8fbff;border-radius:10px;margin:14px 0;padding:14px;display:flex;align-items:center;gap:16px;color:var(--muted)}.proof-preview img{width:150px;height:150px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:8px}.proof-preview p{margin:6px 0 0;color:var(--muted)}.proof-error{color:var(--amber);font-weight:800}.proof-modal-image{max-height:56vh;overflow:auto;border:1px solid var(--line);border-radius:10px;background:#f8fafc;padding:10px;text-align:center}.proof-modal-image img{display:block;max-width:100%;height:auto;margin:auto;border-radius:6px}
@media(max-width:980px){body{min-width:980px}.stats{grid-template-columns:repeat(3,1fr)}.filters{grid-template-columns:1fr 1fr}.cols4{grid-template-columns:repeat(2,1fr)}}