.dn-bell-wrap[data-v-c726b9d9]{position:relative;display:inline-flex;align-items:center}.dn-bell-btn[data-v-c726b9d9]{position:relative;display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:none;border-radius:10px;background:#0f172a0f;color:#334155;cursor:pointer;transition:background .15s ease}.dn-bell-btn[data-v-c726b9d9]:hover{background:#0f172a1a}.dn-bell-icon[data-v-c726b9d9]{width:22px;height:22px}.dn-badge[data-v-c726b9d9]{position:absolute;top:4px;right:4px;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:#dc2626;color:#fff;font-size:11px;font-weight:700;line-height:18px;text-align:center}.dn-backdrop[data-v-c726b9d9]{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:transparent}.dn-panel[data-v-c726b9d9]{position:absolute;top:calc(100% + 8px);right:0;z-index:210;width:min(360px,92vw);max-height:min(420px,70vh);overflow:auto;background:#fff;border:1px solid rgba(15,23,42,.12);border-radius:12px;box-shadow:0 12px 40px #0f172a26}.dn-panel-head[data-v-c726b9d9]{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid rgba(15,23,42,.08);font-weight:600}.dn-close[data-v-c726b9d9]{border:none;background:transparent;font-size:22px;line-height:1;cursor:pointer;color:#64748b}.dn-muted[data-v-c726b9d9]{padding:12px;color:#64748b;font-size:.9rem}.dn-list[data-v-c726b9d9]{list-style:none;margin:0;padding:0}.dn-item[data-v-c726b9d9]{border-bottom:1px solid rgba(15,23,42,.06)}.dn-item.unread[data-v-c726b9d9]{background:#2563eb0f}.dn-item-btn[data-v-c726b9d9]{display:block;width:100%;text-align:left;padding:10px 12px;border:none;background:transparent;cursor:pointer;font:inherit}.dn-item-btn[data-v-c726b9d9]:hover{background:#0f172a0a}.dn-item-title[data-v-c726b9d9]{display:block;font-weight:600;color:#0f172a;font-size:.92rem}.dn-item-body[data-v-c726b9d9]{display:block;margin-top:4px;color:#475569;font-size:.85rem;line-height:1.4}.dn-item-meta[data-v-c726b9d9]{display:block;margin-top:6px;font-size:.75rem;color:#94a3b8}.ap-bell-wrap[data-v-2136a2e9]{position:relative;display:inline-flex;align-items:center}.ap-bell-btn[data-v-2136a2e9]{position:relative;display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:none;border-radius:10px;background:#0f172a0f;color:#334155;cursor:pointer;transition:background .15s ease}.ap-bell-btn[data-v-2136a2e9]:hover{background:#0f172a1a}.ap-bell-icon[data-v-2136a2e9]{width:22px;height:22px}.ap-badge[data-v-2136a2e9]{position:absolute;top:4px;right:4px;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:#dc2626;color:#fff;font-size:11px;font-weight:700;line-height:18px;text-align:center}.ap-backdrop[data-v-2136a2e9]{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:transparent}.ap-panel[data-v-2136a2e9]{position:absolute;top:calc(100% + 8px);right:0;z-index:210;width:min(400px,92vw);max-height:min(480px,72vh);overflow:auto;background:#fff;border:1px solid rgba(15,23,42,.12);border-radius:12px;box-shadow:0 12px 40px #0f172a26}.ap-panel-head[data-v-2136a2e9]{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid rgba(15,23,42,.08);font-weight:600}.ap-close[data-v-2136a2e9]{border:none;background:transparent;font-size:22px;line-height:1;cursor:pointer;color:#64748b}.ap-muted[data-v-2136a2e9]{padding:12px;color:#64748b;font-size:.9rem}.ap-list[data-v-2136a2e9]{list-style:none;margin:0;padding:0}.ap-item[data-v-2136a2e9]{border-bottom:1px solid rgba(15,23,42,.06);padding:10px 12px}.ap-item-main[data-v-2136a2e9]{display:flex;flex-direction:column;gap:4px}.ap-item-title[data-v-2136a2e9]{font-weight:600;color:#0f172a;font-size:.92rem}.ap-item-tag[data-v-2136a2e9]{font-size:.75rem;color:#64748b}.ap-item-body[data-v-2136a2e9]{font-size:.82rem;color:#475569;line-height:1.35}.ap-item-actions[data-v-2136a2e9]{display:flex;gap:8px;margin-top:8px}.ap-btn-ok[data-v-2136a2e9]{min-height:30px;padding:5px 12px;font-size:.85rem}.ap-btn-ok[data-v-2136a2e9]:hover{filter:brightness(.98)}.ap-btn-no[data-v-2136a2e9]{min-height:30px;padding:5px 12px;font-size:.85rem}.ap-btn-no[data-v-2136a2e9]:hover{filter:brightness(.98)}.kp-disc-node[data-v-79c3e12d]{margin-top:10px}.kp-disc-card[data-v-79c3e12d]{border:1px solid rgba(0,0,0,.08);border-radius:8px;padding:10px 12px;background:#fff9}.kp-disc-card--nested[data-v-79c3e12d]{border-left:3px solid #cbd5e1;background:#f8fafcf2}.kp-disc-kind-tag[data-v-79c3e12d]{font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:6px;letter-spacing:.02em}.kp-disc-kind-tag--qa[data-v-79c3e12d]{background:#ea580c26;color:#c2410c}.kp-disc-kind-tag--dc[data-v-79c3e12d]{background:#2563eb1f;color:#1d4ed8}.kp-disc-meta[data-v-79c3e12d]{display:flex;flex-wrap:wrap;gap:6px 8px;align-items:center;font-size:.9em;margin-bottom:8px;line-height:1.4}.kp-disc-author[data-v-79c3e12d]{font-weight:600;color:#0f172a}.kp-disc-reply-verb[data-v-79c3e12d]{color:#64748b;font-size:.92em}.kp-disc-reply-target[data-v-79c3e12d]{font-weight:600;color:#2563eb}.kp-disc-reply-target-role[data-v-79c3e12d]{color:#94a3b8;font-size:.85em}.kp-disc-role[data-v-79c3e12d]{color:#64748b;font-size:.85em}.kp-disc-sep[data-v-79c3e12d]{color:#cbd5e1;-webkit-user-select:none;user-select:none}.kp-disc-time[data-v-79c3e12d]{color:#94a3b8;font-size:.85em}.kp-disc-body[data-v-79c3e12d]{white-space:pre-wrap;word-break:break-word;line-height:1.5;color:#1e293b}.kp-disc-actions[data-v-79c3e12d]{margin-top:10px;display:flex;gap:6px 16px;flex-wrap:wrap;align-items:center}.kp-disc-icon-btn[data-v-79c3e12d]{display:inline-flex;align-items:center;gap:5px;background:transparent;border:none;cursor:pointer;padding:6px 8px;border-radius:8px;font-size:.875rem;color:#64748b;transition:background .15s ease,color .15s ease}.kp-disc-icon-btn[data-v-79c3e12d]:hover{background:#0f172a0f;color:#0f172a}.kp-disc-icon[data-v-79c3e12d]{width:20px;height:20px;flex-shrink:0}.kp-disc-count[data-v-79c3e12d]{min-width:1.25em;font-variant-numeric:tabular-nums;font-weight:600;color:#475569}.kp-disc-icon-btn:hover .kp-disc-count[data-v-79c3e12d]{color:#0f172a}.kp-disc-like.active[data-v-79c3e12d],.kp-disc-like.active .kp-disc-count[data-v-79c3e12d]{color:#dc2626}.kp-disc-like[data-v-79c3e12d]:disabled{opacity:.45;cursor:not-allowed}.kp-disc-like[data-v-79c3e12d]:disabled:hover{background:transparent}.kp-disc-reply-box[data-v-79c3e12d]{margin-top:8px}.kp-disc-reply-box textarea[data-v-79c3e12d]{width:100%;box-sizing:border-box;margin-bottom:6px;padding:8px;border-radius:6px;border:1px solid #cbd5e1;font-family:inherit}.student-lms-shell{display:grid;grid-template-columns:minmax(0,1fr);gap:16px}.student-lms-main{min-width:0}.student-lms-header{background:linear-gradient(120deg,#0f5da8,#2679ce);color:#fff;border-radius:14px;padding:16px 18px;margin-bottom:14px;box-shadow:0 4px 16px #1d589e38}.student-lms-header h2{margin:0;font-size:20px}.student-lms-header .panel-subtitle{color:#ffffffdb;margin:6px 0 0}.student-lms-content{display:grid;gap:14px}.student-lms-main .result-card{border:1px solid var(--ui-card-border);border-radius:var(--ui-card-radius);box-shadow:0 2px 8px #0f172a0a;padding:var(--ui-card-padding);background:#fff}.student-lms-main .result-card h3{color:#1f3f5f;font-size:17px;margin-bottom:8px}.student-lms-main .panel-subtitle{color:#5f738c}.student-lms-main .data-table{border-collapse:separate;border-spacing:0;border:1px solid var(--ui-table-border);border-radius:var(--ui-table-radius);overflow:hidden}.student-lms-main .data-table th{background:#f2f7fd;color:#2a4e72;font-weight:700;border-bottom:1px solid var(--ui-table-border)}.student-lms-main .data-table td{border-bottom:1px solid #edf2f8}.student-lms-main .data-table tr:last-child td{border-bottom:none}.student-lms-main .match-button{border-radius:var(--ui-btn-radius);background:var(--ui-primary);border:1px solid var(--ui-primary-border);box-shadow:none;min-height:var(--ui-btn-h);padding:var(--ui-btn-padding);font-size:var(--ui-btn-font-size);font-weight:700;letter-spacing:.2px}.student-lms-main .match-button:hover{background:var(--ui-primary-hover)}.student-lms-main .cancel-button,.student-lms-main .nav-btn{border-radius:var(--ui-btn-radius);border:1px solid var(--ui-secondary-border);background:var(--ui-secondary-bg);color:var(--ui-secondary-text);min-height:var(--ui-btn-h);padding:var(--ui-btn-padding);font-size:var(--ui-btn-font-size);font-weight:600}.student-lms-main .cancel-button:hover,.student-lms-main .nav-btn:hover{background:var(--ui-secondary-hover-bg);border-color:var(--ui-secondary-hover-border)}.student-lms-main input,.student-lms-main select,.student-lms-main textarea{border:1px solid #cdddf0;border-radius:10px;background:#fff;min-height:36px}.student-lms-main input:focus,.student-lms-main select:focus,.student-lms-main textarea:focus{outline:none;border-color:#4c8fd7;box-shadow:0 0 0 3px #3e81cc26}.student-lms-main .announcement-read-card{border:1px solid #d9e7f6;border-radius:var(--ui-table-radius);background:#fcfeff}.student-lms-main .course-market-head{padding-bottom:8px;border-bottom:1px solid #e7eef8}.student-lms-main .course-market-card{border:1px solid #d5e1ee;border-radius:var(--ui-card-radius);background:#fff;box-shadow:0 2px 8px #10345a0d;min-height:216px;transition:transform .18s ease,box-shadow .18s ease}.student-lms-main .course-market-card:hover{transform:translateY(-1px);box-shadow:0 4px 10px #10345a14}.student-lms-main .course-market-card h4{color:#284766;font-size:15px;margin-bottom:8px}.student-lms-main .course-card-teachers{color:#5f738c}.student-lms-main .course-market-card-actions{width:100%;align-self:stretch}.student-lms-main .course-market-card-actions .match-button,.student-lms-main .course-market-card-actions .nav-btn,.student-lms-main .course-market-card-actions .cancel-button{min-width:110px}.student-lms-main .profile-stat-list div{border:1px solid #dce9f7;border-radius:10px;background:#f8fbff!important}.student-lms-main .profile-stat-list strong{color:#123f6b!important}.student-lms-main .panel-title{color:#284766}.student-lms-main [style*="height: 420px"]{border:1px solid #d8e7f7;border-radius:12px;background:#fbfdff}.student-lms-main .inline-form{gap:10px}.student-node-action-row{margin-bottom:10px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}.student-radar-box{width:100%;height:300px;border:1px solid var(--ui-table-border);border-radius:var(--ui-table-radius);background:#fbfdff}.student-lms-main .panel-stack{gap:14px}.student-lms-shell button{min-height:var(--ui-btn-h);padding:var(--ui-btn-padding);border-radius:var(--ui-btn-radius);font-size:var(--ui-btn-font-size);line-height:1.2;font-weight:600}.student-lms-shell button:disabled{opacity:.62;cursor:not-allowed}.student-lms-shell button:not(.cancel-button):not(.nav-btn):not(.danger-btn):not(.course-page-num){background:var(--ui-primary);border:1px solid var(--ui-primary-border);color:#fff}.student-lms-shell button:not(.cancel-button):not(.nav-btn):not(.danger-btn):not(.course-page-num):hover:not(:disabled){background:var(--ui-primary-hover)}.admin-theme .result-card{border:1px solid var(--ui-card-border);border-radius:var(--ui-card-radius);box-shadow:0 2px 8px #0f172a0a;padding:var(--ui-card-padding)}.admin-theme .result-card h3{color:#1f3f5f}.admin-theme .data-table{border-collapse:separate;border-spacing:0;border:1px solid var(--ui-table-border);border-radius:var(--ui-table-radius);overflow:hidden}.admin-theme .data-table th{background:#f2f7fd;color:#2a4e72;font-weight:700;border-bottom:1px solid var(--ui-table-border)}.admin-theme .data-table td{border-bottom:1px solid #edf2f8}.admin-theme .data-table tr:last-child td{border-bottom:none}.admin-theme .match-button{border-radius:var(--ui-btn-radius);background:var(--ui-primary);border:1px solid var(--ui-primary-border);color:#fff;min-height:var(--ui-btn-h);padding:var(--ui-btn-padding);font-size:var(--ui-btn-font-size);font-weight:700}.admin-theme .match-button:hover{background:var(--ui-primary-hover)}.admin-theme .cancel-button,.admin-theme .nav-btn{border-radius:var(--ui-btn-radius);border:1px solid var(--ui-secondary-border);background:var(--ui-secondary-bg);color:var(--ui-secondary-text);min-height:var(--ui-btn-h);padding:var(--ui-btn-padding);font-size:var(--ui-btn-font-size);font-weight:600}.admin-theme .cancel-button:hover,.admin-theme .nav-btn:hover{background:var(--ui-secondary-hover-bg);border-color:var(--ui-secondary-hover-border)}.student-lms-main .relevance-meter-wrap{padding:8px 10px;border:1px solid #dbe7f6;border-radius:10px;background:#f8fbff}.student-lms-main .wrong-book-card{border:1px solid #d9e8f8;border-radius:12px}.spc-row-actions{display:flex;align-items:center;gap:6px}@media(max-width:1024px){.student-lms-shell{grid-template-columns:1fr}}.selected-chips .chip{background:#f1f5f9;padding:6px 8px;border-radius:16px;display:inline-flex;align-items:center;gap:6px}.selected-chips .chip-remove{border:none;background:transparent;cursor:pointer;color:#666;font-size:14px}.small-input{width:64px}.grid-form.two-col{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.relevance-meter-wrap{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:6px 0}.relevance-meter{display:flex;gap:6px}.relevance-dot{width:20px;height:10px;border-radius:999px;background:#e2e8f0;transition:all .2s ease}.relevance-dot.active{background:linear-gradient(90deg,#22c55e,#16a34a);box-shadow:0 0 0 1px #22c55e33}.relevance-meter-text{font-size:14px;color:#0f172a}.wrong-book-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;align-items:start}@media(max-width:1024px){.wrong-book-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.wrong-book-grid{grid-template-columns:1fr}}.wrong-book-card{background:#fff;border:1px solid #e2e8f0;border-radius:10px;padding:12px 14px;box-shadow:0 1px 2px #0f172a0a;display:flex;flex-direction:column;gap:10px;min-width:0}.wrong-book-card-top{display:flex;flex-direction:column;gap:4px}.wrong-book-title{font-size:14px;color:#0f172a;line-height:1.35}.wrong-book-meta-line{display:flex;flex-wrap:wrap;gap:8px 12px;font-size:12px;color:#64748b}.wrong-book-time{word-break:break-all}.wrong-book-preview{margin:0;font-size:13px;color:#475569;line-height:1.45;min-height:2.6em}.wrong-book-card-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.wrong-book-toggle{flex:1;min-width:120px}.modal-wrapper.wrong-book-modal-wrap{max-width:min(920px,96vw);width:96%}.wrong-book-modal-box{max-height:85vh;display:flex;flex-direction:column;padding:20px 20px 16px}.wrong-book-modal-box h3{margin:0 36px 4px 0;font-size:18px;line-height:1.3}.wrong-book-modal-sub{margin:0 0 12px!important}.wrong-book-modal-body{overflow-y:auto;flex:1;min-height:0;padding-right:6px}.wrong-book-detail-q{margin-bottom:10px}.wrong-book-detail-row{margin:8px 0;font-size:14px;line-height:1.55}.wrong-book-detail-explain{margin-top:14px}.wrong-book-explain-heading{margin:0 0 8px;font-size:14px;font-weight:600;color:#0f172a}.kp-discussion-wrap[data-v-f1e432fb]{margin-top:16px;padding-top:16px;border-top:1px solid rgba(0,0,0,.08)}.kp-disc-new textarea[data-v-f1e432fb]{width:100%;box-sizing:border-box;padding:10px;border-radius:8px;border:1px solid #cbd5e1;font-family:inherit}.kp-disc-threads[data-v-f1e432fb]{margin-top:12px}.kp-disc-kind-row[data-v-f1e432fb]{display:flex;flex-wrap:wrap;gap:10px 18px;margin-bottom:8px;font-size:.9rem;color:#334155}.kp-disc-kind-opt[data-v-f1e432fb]{display:inline-flex;align-items:center;gap:6px;cursor:pointer}[data-v-f1e432fb] .kp-disc-focus-flash{animation:kp-disc-flash-f1e432fb 2s ease}@keyframes kp-disc-flash-f1e432fb{0%,55%{box-shadow:0 0 0 3px #2563eb66}to{box-shadow:none}}.ai-fab[data-v-42d6f2fb]{position:fixed;right:20px;bottom:20px;width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;font-size:24px;box-shadow:0 8px 20px #0003;z-index:1100}.ai-mask[data-v-42d6f2fb]{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;justify-content:center;align-items:center;z-index:1200}.ai-modal[data-v-42d6f2fb]{width:min(760px,calc(100vw - 32px));max-height:min(80vh,760px);background:#fff;border-radius:12px;display:flex;flex-direction:column;overflow:hidden}.ai-head[data-v-42d6f2fb]{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid #eee}.ai-head h3[data-v-42d6f2fb]{margin:0}.ai-close[data-v-42d6f2fb]{width:30px;height:30px;border:1px solid #e5e7eb;border-radius:999px;background:#fff;font-size:18px;line-height:1;cursor:pointer}.ai-close[data-v-42d6f2fb]:hover{background:#f3f4f6}.ai-list[data-v-42d6f2fb]{padding:12px;overflow:auto;flex:1;display:flex;flex-direction:column;gap:10px;background:#fafafa}.ai-item[data-v-42d6f2fb]{max-width:80%;padding:10px 12px;border-radius:10px;line-height:1.5}.ai-item.is-user[data-v-42d6f2fb]{margin-left:auto;background:#dbeafe}.ai-item.is-ai[data-v-42d6f2fb]{margin-right:auto;background:#fff;border:1px solid #eee}.ai-input-row[data-v-42d6f2fb]{padding:12px;border-top:1px solid #eee;display:flex;gap:10px}.ai-input-row textarea[data-v-42d6f2fb]{flex:1;resize:vertical;min-height:72px}.md-content[data-v-42d6f2fb] p{margin:0 0 8px}.md-content[data-v-42d6f2fb] p:last-child{margin-bottom:0}.md-content[data-v-42d6f2fb] ul{margin:0 0 8px 18px}.md-content[data-v-42d6f2fb] li{margin:2px 0}.md-content[data-v-42d6f2fb] .md-code{background:#f3f4f6;padding:1px 6px;border-radius:4px;font-family:Consolas,monospace}.md-content[data-v-42d6f2fb] .md-pre{margin:8px 0;background:#111827;color:#f9fafb;padding:10px;border-radius:8px;overflow:auto}.md-content[data-v-42d6f2fb] a{color:#2563eb;text-decoration:underline}.modal-wrapper{max-width:680px;width:92%}.grid-form.four-col{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;align-items:end}.grid-form.four-col label{display:flex;flex-direction:column}.match-height{height:var(--ui-input-h);padding:7px 10px;box-sizing:border-box}.match-button{min-height:var(--ui-btn-h);padding:var(--ui-btn-padding);font-size:var(--ui-btn-font-size);line-height:1.2;border:1px solid var(--ui-primary-border);background:var(--ui-primary);color:#fff;border-radius:var(--ui-btn-radius);cursor:pointer}.small-input{width:80px;min-height:var(--ui-input-h)}.order-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.modal-container .match-height{height:var(--ui-input-h)}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#00000073;z-index:1200}.modal-wrapper{max-width:900px;width:92%}.modal-container{background:#fff;padding:20px;border-radius:8px;position:relative;box-shadow:0 8px 32px #0000001f}.modal-close{position:absolute;right:10px;top:8px;border:none;background:transparent;font-size:20px;line-height:1;color:#666;cursor:pointer}.grid-form.single-col{display:grid;grid-template-columns:1fr;gap:12px}.grid-form.single-col label{display:flex;flex-direction:column}.button-row{display:flex;align-items:center;gap:8px}.cancel-button{min-height:var(--ui-btn-h);padding:var(--ui-btn-padding);font-size:var(--ui-btn-font-size);line-height:1.2;background:var(--ui-secondary-bg);border:1px solid var(--ui-secondary-border);color:var(--ui-secondary-text);border-radius:var(--ui-btn-radius);cursor:pointer}.announcement-read-list{display:flex;flex-direction:column;gap:12px;margin-top:12px}.announcement-read-card{margin:0;padding:14px 16px;border:1px solid #e2e8f0;box-shadow:0 1px 2px #0f172a0a}.announcement-read-title{margin:0 0 6px;font-size:16px;font-weight:600;color:#0f172a;line-height:1.35}.announcement-read-meta{margin:0 0 10px!important;font-size:13px}.announcement-read-body{font-size:14px;line-height:1.65;color:#334155;white-space:pre-wrap;word-break:break-word}.course-market-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.course-market-head-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.course-market-grid{margin-top:12px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.course-market-card{border:1px solid #e2e8f0;border-radius:10px;padding:14px 14px 12px;background:#fff;min-height:200px;display:flex;flex-direction:column;min-width:0}.course-market-card-body{flex:1;min-height:0}.course-market-card h4{margin:0 0 6px;font-size:15px;color:#0f172a}.course-card-teachers{margin-top:8px;margin-bottom:0;font-size:13px;line-height:1.45;word-break:break-word}.course-market-card-actions{margin-top:auto;padding-top:14px;align-self:flex-start}.course-market-card-actions--split{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.course-market-pagination{margin-top:18px;display:flex;justify-content:center;align-items:center;gap:2px 4px;flex-wrap:wrap}.course-page-num{min-width:26px;min-height:26px;padding:0 6px;border:none;background:transparent;font-size:13px;line-height:1;color:#64748b;cursor:pointer;border-radius:6px}.course-page-num:hover{color:#0f172a;background:#0f172a0f}.course-page-num.is-active{color:#0f172a;font-weight:600;cursor:default;background:transparent}@media(max-width:1024px){.course-market-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}.kp-num-col{min-width:4.25em;white-space:nowrap;font-variant-numeric:tabular-nums}.kp-actions>button+button{margin-left:8px}.teacher-theme .result-card{border:1px solid var(--ui-card-border);border-radius:var(--ui-card-radius);box-shadow:0 2px 8px #0f172a0a;padding:var(--ui-card-padding)}.teacher-theme .result-card h3{color:#1f3f5f}.teacher-theme .data-table{border-collapse:separate;border-spacing:0;border:1px solid var(--ui-table-border);border-radius:var(--ui-table-radius);overflow:hidden}.teacher-theme .data-table th{background:#f2f7fd;color:#2a4e72;font-weight:700;border-bottom:1px solid var(--ui-table-border)}.teacher-theme .data-table td{border-bottom:1px solid #edf2f8}.teacher-theme .data-table tr:last-child td{border-bottom:none}.teacher-theme .match-button{border-radius:var(--ui-btn-radius);background:var(--ui-primary);border:1px solid var(--ui-primary-border);color:#fff;min-height:var(--ui-btn-h);padding:var(--ui-btn-padding);font-size:var(--ui-btn-font-size);font-weight:700}.teacher-theme .match-button:hover{background:var(--ui-primary-hover)}.teacher-theme .cancel-button,.teacher-theme .nav-btn{border-radius:var(--ui-btn-radius);border:1px solid var(--ui-secondary-border);background:var(--ui-secondary-bg);color:var(--ui-secondary-text);min-height:var(--ui-btn-h);padding:var(--ui-btn-padding);font-size:var(--ui-btn-font-size);font-weight:600}.teacher-theme .cancel-button:hover,.teacher-theme .nav-btn:hover{background:var(--ui-secondary-hover-bg);border-color:var(--ui-secondary-hover-border)}.teacher-theme input,.teacher-theme select,.teacher-theme textarea{border:1px solid #cdddf0;border-radius:10px;min-height:36px}.block-label[data-v-fe633ac7]{display:block;margin-top:8px;font-size:.9rem}.tpt-slot[data-v-fe633ac7]{margin-top:16px;padding-top:12px;border-top:1px solid rgba(0,0,0,.08)}.tpt-actions-inline[data-v-fe633ac7]{margin-top:8px}.tpt-actions-submit[data-v-fe633ac7]{margin-top:16px}.ok-text[data-v-fe633ac7]{color:#15803d;margin-top:8px}.credit-rule-block[data-v-c79d48d9]{border:1px solid rgba(0,0,0,.08);border-radius:10px;padding:14px 16px;background:#ffffff73}.credit-major-chips[data-v-c79d48d9]{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.credit-major-chip[data-v-c79d48d9]{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:#0000000f;font-size:.9rem}.credit-chip-remove[data-v-c79d48d9]{border:none;background:transparent;cursor:pointer;padding:0 2px;line-height:1;font-size:1.1rem}.major-multi[data-v-c79d48d9]{width:100%;min-height:140px}.grid-form.three-col[data-v-c79d48d9]{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}@media(max-width:960px){.grid-form.three-col[data-v-c79d48d9]{grid-template-columns:1fr}}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.38"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}.profile-btn-row{display:flex;gap:14px;margin-top:8px;align-items:center}.profile-btn-row .profile-logout-btn{margin-top:0}:root{--bg: #f7f8fa;--paper: #fff;--ink: #262626;--ink-soft: #8c8c8c;--accent: #3578e5;--line: #e4e6eb;--ok: #0f766e;--danger: #be123c;--ui-btn-h: 36px;--ui-btn-radius: 8px;--ui-btn-font-size: 14px;--ui-btn-padding: 7px 14px;--ui-input-h: 36px;--ui-card-radius: 14px;--ui-card-padding: 16px 18px;--ui-table-radius: 12px;--ui-primary: #1f6fbf;--ui-primary-hover: #1a64ad;--ui-primary-border: #1a64ad;--ui-secondary-bg: #f8fafc;--ui-secondary-border: #ccd8e6;--ui-secondary-text: #2e4b68;--ui-secondary-hover-bg: #edf3f8;--ui-secondary-hover-border: #b7c8db;--ui-card-border: #d8e3ef;--ui-table-border: #dbe7f5;--ui-nav-btn-border: #9bc2ef;--ui-nav-btn-bg: #f5f9ff;--ui-nav-btn-text: #1f4f86;--ui-nav-btn-hover-bg: #e9f2ff;--ui-nav-btn-hover-border: #6fa7e5;--ui-nav-btn-hover-text: #123a67;--ui-nav-btn-active-bg-from: #0f5da8;--ui-nav-btn-active-bg-to: #2679ce;--ui-user-card-border: #b8d0eb}:root{--brand: #1a237e;--section-nav: #22223b}.brand-block h1{color:var(--brand)!important;font-weight:800;letter-spacing:1px}body[data-theme=dark] .theme-toggle-btn{background:var(--paper);color:var(--ink)}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color:var(--ink);background:var(--bg)}h1,h2,h3{margin:0;font-weight:600}.app-shell{max-width:1120px;margin:0 auto;padding:18px 16px 32px}.top-nav{width:100%;background:var(--paper)!important;border-bottom:1px solid var(--line);padding:10px 0}.top-nav-shell{max-width:1120px;margin:0 auto;padding:0 16px}.top-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}.top-nav-inner-student{align-items:center}.brand-block{display:grid;gap:2px}.brand-block h1{font-size:20px;color:var(--ink)}.brand-en{margin:0;font-size:12px;color:var(--ink-soft)}.page-user{margin:0 0 12px;font-size:14px;color:var(--ink-soft)}.nav-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}.top-user-card{min-width:156px;display:grid;gap:2px;padding:8px 12px;border:1px solid #374151;border-radius:10px;background:#ffffff0f;text-align:right}.top-user-name{color:var(--ink);font-size:14px;font-weight:700}.top-user-role{color:var(--ink-soft);font-size:12px}.nav-btn{min-width:108px;border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:var(--ui-btn-radius);font-weight:600;min-height:var(--ui-btn-h);padding:7px 14px;font-size:var(--ui-btn-font-size);line-height:1.2;cursor:pointer;transition:background-color .2s ease}.nav-btn:hover,.nav-btn.active{border-color:var(--accent);background:#e6f0ff;color:var(--accent)}.nav-btn.nav-logout{border-color:#ef4444;background:#b91c1c;color:#fff}.danger-btn{background:#b91c1c}.danger-btn:hover{background:#991b1b}.app-shell button:not([class]):not(.modal-close):not(.ai-close):not(.ap-close):not(.dn-close),.app-shell button[class=""]:not(.modal-close):not(.ai-close):not(.ap-close):not(.dn-close){min-height:var(--ui-btn-h);padding:var(--ui-btn-padding);border-radius:var(--ui-btn-radius);font-size:var(--ui-btn-font-size);line-height:1.2;font-weight:600;border:1px solid var(--ui-primary-border);background:var(--ui-primary);color:#fff;cursor:pointer}.app-shell button:not([class]):not(.modal-close):not(.ai-close):not(.ap-close):not(.dn-close):hover:not(:disabled),.app-shell button[class=""]:not(.modal-close):not(.ai-close):not(.ap-close):not(.dn-close):hover:not(:disabled){background:var(--ui-primary-hover)}.app-shell button:not([class]):not(.modal-close):not(.ai-close):not(.ap-close):not(.dn-close):disabled,.app-shell button[class=""]:not(.modal-close):not(.ai-close):not(.ap-close):not(.dn-close):disabled{opacity:.62;cursor:not-allowed}.section-nav{display:flex;gap:10px;flex-wrap:wrap;padding-top:12px}.section-nav-inline{flex:1;justify-content:flex-end;padding-top:0}.section-nav-btn{min-width:92px}.ui-toolbar-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.ui-actions-row{display:flex;gap:8px;margin-top:12px;align-items:center}.ui-mt-12{margin-top:12px}.ui-mt-6{margin-top:6px}.ui-mt-8{margin-top:8px}.ui-mt-10{margin-top:10px}.ui-mt-14{margin-top:14px}.ui-mt-16{margin-top:16px}.ui-block{display:block}.ui-overflow-x-auto{overflow-x:auto}.ui-muted-tag{font-size:12px;opacity:.8;margin-left:6px}.top-nav-inner-student,.top-nav-inner-teacher,.top-nav-inner-admin{gap:10px}.top-nav-inner-student .section-nav-inline,.top-nav-inner-teacher .section-nav-inline,.top-nav-inner-admin .section-nav-inline{gap:8px}.top-nav-inner-student .section-nav-btn,.top-nav-inner-teacher .section-nav-btn,.top-nav-inner-admin .section-nav-btn{min-width:78px;border:1px solid var(--ui-nav-btn-border);background:var(--ui-nav-btn-bg);color:var(--ui-nav-btn-text);border-radius:10px;padding:7px 10px;font-weight:700}.top-nav-inner-student .section-nav-btn:hover,.top-nav-inner-teacher .section-nav-btn:hover,.top-nav-inner-admin .section-nav-btn:hover{background:var(--ui-nav-btn-hover-bg);border-color:var(--ui-nav-btn-hover-border);color:var(--ui-nav-btn-hover-text)}.top-nav-inner-student .section-nav-btn.active,.top-nav-inner-teacher .section-nav-btn.active,.top-nav-inner-admin .section-nav-btn.active{background:linear-gradient(135deg,var(--ui-nav-btn-active-bg-from),var(--ui-nav-btn-active-bg-to));border-color:var(--ui-nav-btn-active-bg-from);color:#fff}.top-nav-inner-student .top-user-card,.top-nav-inner-teacher .top-user-card,.top-nav-inner-admin .top-user-card{border:1px solid var(--ui-user-card-border);background:#f6fbff}.top-nav-inner-student .top-user-name,.top-nav-inner-teacher .top-user-name,.top-nav-inner-admin .top-user-name{color:var(--ui-nav-btn-text)}.top-nav-inner-student .top-user-role,.top-nav-inner-teacher .top-user-role,.top-nav-inner-admin .top-user-role{color:#5f738c}.tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:18px 0}.tab-btn{border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:6px;min-height:44px;font-weight:600;cursor:pointer;transition:background-color .2s ease}.tab-btn.active,.tab-btn:hover{background:#e6f0ff;border-color:var(--accent);color:var(--accent)}.panel-wrap{margin-top:16px}.panel-stack{display:grid;gap:16px}.panel{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:18px}.panel-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}.panel-title{margin:0 0 12px;color:var(--ink);font-weight:600}.panel-subtitle{margin:0 0 10px;color:var(--ink-soft)}.inline-form{display:flex;gap:8px;flex-wrap:wrap}.grid-form{display:grid;gap:12px}.grid-form.three-col{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-form.two-col{grid-template-columns:repeat(2,minmax(0,1fr))}label{display:grid;gap:6px;font-size:14px;color:var(--ink-soft)}input,select,textarea,button{font:inherit}input,select,textarea{border:1px solid #cbd5e1;border-radius:10px;min-height:var(--ui-input-h);padding:7px 10px;background:#fff;color:var(--ink)}textarea{resize:vertical}button{border:none;border-radius:var(--ui-btn-radius);background:var(--accent);color:#fff;font-weight:600;min-height:var(--ui-btn-h);padding:7px 14px;font-size:var(--ui-btn-font-size);line-height:1.2;cursor:pointer}button:disabled{opacity:.6;cursor:not-allowed}.result-card,.suggestion-card{margin-top:14px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:14px}.result-card p,.result-card li,.suggestion-card li{line-height:1.65}.graph-canvas{width:100%;min-height:420px;border:1px dashed #cbd5e1;border-radius:8px;background:#fff;overflow:hidden}.error-text{color:var(--danger);font-weight:700}.ok-text{color:var(--ok);font-weight:700}.portal-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.single-card{grid-template-columns:minmax(0,1fr)}.login-grid{display:grid;gap:14px}.login-card{max-width:560px;margin:0 auto;width:100%}.login-tip{margin-top:12px}.account-panel{background:#fff}.account-form{grid-template-columns:repeat(4,minmax(0,1fr));align-items:end}.full-span{grid-column:1 / -1}.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:14px}.kpi-card{border:1px solid var(--line);border-radius:8px;padding:12px;background:#fff}.kpi-card p{margin:0;color:var(--ink-soft)}.kpi-card h3{margin-top:6px;font-size:28px}.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table th,.data-table td{text-align:left;border-bottom:1px solid var(--line);padding:8px 6px}.sub-tabs{margin-top:10px;margin-bottom:14px}.student-kpi-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.profile-grid{display:grid;grid-template-columns:350px minmax(0,1fr);gap:16px}.profile-hero-card{margin-top:0;display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,480px);gap:18px;padding:18px;background:linear-gradient(140deg,#fff,#f6f9ff 60%,#edf4ff)}.profile-hero-card--no-actions{grid-template-columns:minmax(0,1fr)}.profile-hero-main{display:flex;gap:14px;align-items:flex-start}.profile-avatar{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;background:linear-gradient(135deg,#1d4ed8,#2563eb);box-shadow:0 8px 18px #2563eb59}.profile-bio-preview{margin:6px 0 0;color:#334155;line-height:1.6}.profile-hero-actions{border:1px solid #dbe6f7;border-radius:12px;background:#fff;padding:12px;display:grid;gap:12px}.profile-shortcuts{gap:10px}.profile-shortcuts .nav-btn{border:1px solid #c7d7ee;color:#1e3a5f;background:#f8fbff}.profile-shortcuts .nav-btn:hover{border-color:#95b4e2;background:#ecf3ff;color:#0f315a}.profile-overview-card,.profile-detail-card{margin-top:0}.profile-logout-btn{margin-top:16px;white-space:nowrap}.profile-eyebrow{margin:0 0 8px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--accent);text-transform:uppercase}.profile-stat-list{display:grid;gap:10px;margin-top:18px}.profile-stat-list div{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--paper)!important;color:var(--ink)!important}.profile-stat-list span,.profile-stat-list strong{color:var(--ink)!important;opacity:1}[data-theme=dark] .profile-stat-list div{background:#23232a!important;border:1.5px solid #3a3a4a!important}[data-theme=dark] .profile-stat-list span,[data-theme=dark] .profile-stat-list strong{color:#f7f8fa!important;opacity:1}.profile-stat-list strong{color:var(--ink);font-size:18px}.node-chip-list{margin-top:8px;display:flex;flex-wrap:wrap;gap:8px}.node-chip{min-width:140px}.wrong-item-card{margin-top:0}.latex-block{line-height:1.8}.option-list{display:grid;gap:8px;margin:10px 0}.option-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#f8fafc}.login-shell{max-width:900px;margin:0 auto}.login-shell .panel-header{margin-bottom:10px}.test-card ol{padding-left:18px}@media(max-width:900px){.tabs{grid-template-columns:repeat(2,minmax(0,1fr))}.account-form,.grid-form.three-col,.portal-grid,.kpi-grid,.profile-grid,.profile-hero-card,.grid-form.two-col{grid-template-columns:1fr}}@media(max-width:640px){.top-nav{padding:10px 0}.top-nav-inner{align-items:flex-start;flex-direction:column}.nav-actions{width:100%;justify-content:flex-start}.top-user-card{width:100%;text-align:left}.section-nav{width:100%;justify-content:flex-start}.section-nav-inline{justify-content:flex-start}.nav-btn{flex:1 1 120px}.panel{padding:14px}.panel-header{align-items:flex-start;flex-direction:column}}body{color:var(--ink);background:var(--bg)}.login-card,.result-card,.suggestion-card{background:var(--paper);color:var(--ink)}input,select,textarea{background:var(--paper);color:var(--ink);border:1px solid var(--line)}.login-card,.result-card,.suggestion-card,.kpi-card,.account-panel,.profile-hero-card,.profile-hero-actions{background:var(--paper)!important;color:var(--ink)!important}input,select,textarea{background:var(--paper)!important;color:var(--ink)!important;border:1px solid var(--line)!important}label{color:var(--ink-soft)!important}h1,h2,h3{color:var(--ink)!important}body{color:var(--ink)!important;background:var(--bg)!important}