.learn-page[data-v-c86ed6fa]{min-height:100vh;padding:24px 0;background:linear-gradient(180deg,#0a0a0a,#111)}.page-container[data-v-c86ed6fa]{max-width:1400px;margin:0 auto;padding:0 24px}.main-content[data-v-c86ed6fa]{display:flex;gap:24px}.left-content[data-v-c86ed6fa]{flex:1;min-width:0}.feature-cards[data-v-c86ed6fa]{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.feature-card[data-v-c86ed6fa]{position:relative;height:100px;border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:#fff;font-size:18px;font-weight:600;cursor:pointer;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease}.feature-card[data-v-c86ed6fa]:hover{transform:translateY(-4px);box-shadow:0 12px 24px #0000004d}.feature-card .feature-icon-svg[data-v-c86ed6fa]{width:32px;height:32px;object-fit:contain}.feature-card .card-bg[data-v-c86ed6fa]{position:absolute;top:0;left:0;right:0;bottom:0;background-image:radial-gradient(circle at 85% 75%,rgba(255,255,255,.2) 0%,rgba(255,255,255,.2) 35%,transparent 35%)}.feature-card.card-blue[data-v-c86ed6fa]{background:linear-gradient(135deg,#4facfe,#00f2fe)}.feature-card.card-green[data-v-c86ed6fa]{background:linear-gradient(135deg,#11998e,#38ef7d)}.feature-card.card-orange[data-v-c86ed6fa]{background:linear-gradient(135deg,#f093fb,#f5576c);background:linear-gradient(135deg,#fa8231,#f7b731)}.feature-card.card-purple[data-v-c86ed6fa]{background:linear-gradient(135deg,#a18cd1,#fbc2eb)}.right-sidebar[data-v-c86ed6fa]{width:280px;flex-shrink:0}.page-header[data-v-c86ed6fa]{text-align:center;margin-bottom:40px}.page-title[data-v-c86ed6fa]{font-size:32px;font-weight:700;color:#2adb5c;margin-bottom:12px;display:flex;align-items:center;justify-content:center}.page-desc[data-v-c86ed6fa]{font-size:16px;color:#999}.checkin-card[data-v-c86ed6fa]{background:linear-gradient(135deg,#2adb5c1a,#1e1e1ecc);border:1px solid rgba(42,219,92,.2);border-radius:16px;margin-bottom:24px}.checkin-content[data-v-c86ed6fa]{display:flex;justify-content:space-between;align-items:center;gap:24px}.checkin-left[data-v-c86ed6fa]{flex:1}.checkin-stats[data-v-c86ed6fa]{display:flex;gap:32px;margin-bottom:12px}.checkin-stats .stat-item[data-v-c86ed6fa]{display:flex;align-items:center;gap:12px}.checkin-stats .stat-info[data-v-c86ed6fa]{display:flex;flex-direction:column}.checkin-stats .stat-value[data-v-c86ed6fa]{font-size:24px;font-weight:700;color:var(--text-primary)}.checkin-stats .stat-label[data-v-c86ed6fa]{font-size:12px;color:var(--text-tertiary)}.checkin-tip[data-v-c86ed6fa]{font-size:14px;color:var(--text-tertiary);margin:0}.checkin-tip .highlight[data-v-c86ed6fa]{color:#2adb5c;font-weight:600}.checkin-right[data-v-c86ed6fa]{flex-shrink:0}.checkin-btn[data-v-c86ed6fa]{min-width:140px;height:48px;font-size:16px}.checkin-login-prompt[data-v-c86ed6fa]{justify-content:center}.login-prompt-text[data-v-c86ed6fa]{font-size:16px;color:var(--text-tertiary);margin:0}.learn-page:not(.dark-mode) .login-prompt-text[data-v-c86ed6fa]{color:#6b7280}.checkin-card-sidebar[data-v-c86ed6fa]{background:linear-gradient(135deg,#2adb5c1a,#1e1e1ecc);border:1px solid rgba(42,219,92,.2);border-radius:16px;margin-bottom:16px}.checkin-sidebar-content[data-v-c86ed6fa]{display:flex;flex-direction:column;gap:12px}.checkin-stats-row[data-v-c86ed6fa]{display:flex;justify-content:space-between}.stat-mini[data-v-c86ed6fa]{display:flex;flex-direction:column;align-items:center;gap:4px}.stat-mini .stat-num[data-v-c86ed6fa]{font-size:18px;font-weight:700;color:var(--text-primary)}.stat-mini .stat-text[data-v-c86ed6fa]{font-size:11px;color:var(--text-tertiary)}.login-tip[data-v-c86ed6fa]{font-size:14px;color:var(--text-tertiary);text-align:center;margin:0 0 8px}.learn-page:not(.dark-mode) .checkin-card-sidebar[data-v-c86ed6fa]{background:linear-gradient(135deg,#1118270d,#fff);border:1px solid #E5E7EB}.learn-page:not(.dark-mode) .stat-mini .stat-num[data-v-c86ed6fa]{color:#1f2937}.learn-page:not(.dark-mode) .stat-mini .stat-text[data-v-c86ed6fa]{color:#6b7280}.learn-page:not(.dark-mode) .login-tip[data-v-c86ed6fa]{color:#6b7280}.leaderboard-card[data-v-c86ed6fa]{background:#1e1e1ecc;border:1px solid rgba(42,219,92,.2);border-radius:16px;position:sticky;top:24px}.study-group-card[data-v-c86ed6fa]{background:#1e1e1ecc;border:1px solid rgba(77,171,247,.2);border-radius:16px;margin-bottom:16px}.study-group-header[data-v-c86ed6fa]{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:600;color:var(--text-primary)}.study-group-list[data-v-c86ed6fa]{display:flex;flex-direction:column;gap:10px}.study-group-item[data-v-c86ed6fa]{display:flex;align-items:center;justify-content:space-between;padding:8px 10px;border-radius:8px;background:#ffffff08;transition:background .2s}.study-group-item[data-v-c86ed6fa]:hover{background:#4dabf71a}.group-info[data-v-c86ed6fa]{display:flex;align-items:center;gap:8px;flex:1;min-width:0}.group-type-icon[data-v-c86ed6fa]{width:18px;height:18px;object-fit:contain}.group-name[data-v-c86ed6fa]{font-size:13px;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.group-text[data-v-c86ed6fa]{display:flex;flex-direction:column;gap:2px;min-width:0}.group-member-count[data-v-c86ed6fa]{font-size:11px;color:var(--text-tertiary)}.qrcode-modal-content[data-v-c86ed6fa]{display:flex;flex-direction:column;align-items:center;padding:16px 0}.qrcode-wrapper[data-v-c86ed6fa]{width:220px;height:220px;display:flex;align-items:center;justify-content:center;background:#fff;border-radius:12px;overflow:hidden}.qrcode-image[data-v-c86ed6fa]{width:100%;height:100%;object-fit:contain}.qrcode-placeholder[data-v-c86ed6fa]{color:var(--text-tertiary);font-size:14px}.qrcode-tip[data-v-c86ed6fa]{margin-top:16px;font-size:14px;color:#2adb5c;font-weight:500}.qrcode-desc[data-v-c86ed6fa]{margin-top:8px;font-size:12px;color:var(--text-tertiary);text-align:center}.leaderboard-header[data-v-c86ed6fa]{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:600;color:var(--text-primary)}.leaderboard-list[data-v-c86ed6fa]{display:flex;flex-direction:column;gap:12px}.leaderboard-item[data-v-c86ed6fa]{display:flex;align-items:center;gap:12px;padding:8px;border-radius:8px;transition:background .2s}.leaderboard-item[data-v-c86ed6fa]:hover{background:#2adb5c1a}.rank-badge[data-v-c86ed6fa]{width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:12px;font-weight:600;background:#ffffff1a;color:var(--text-tertiary)}.rank-badge.rank-gold[data-v-c86ed6fa]{background:linear-gradient(135deg,gold,#ffb700);color:#000}.rank-badge.rank-silver[data-v-c86ed6fa]{background:linear-gradient(135deg,silver,#a0a0a0);color:#000}.rank-badge.rank-bronze[data-v-c86ed6fa]{background:linear-gradient(135deg,#cd7f32,#b06820);color:#fff}.leaderboard-item .user-info[data-v-c86ed6fa]{flex:1;display:flex;flex-direction:column;min-width:0}.leaderboard-item .username[data-v-c86ed6fa]{font-size:14px;font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.leaderboard-item .days[data-v-c86ed6fa]{font-size:12px;color:#2adb5c}.empty-tip[data-v-c86ed6fa]{text-align:center;color:var(--text-secondary);padding:20px 0;font-size:14px}.main-tabs[data-v-c86ed6fa]{background:var(--card-bg);border-radius:16px;padding:24px;border:var(--card-border)}.section-header[data-v-c86ed6fa]{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.section-title[data-v-c86ed6fa]{font-size:20px;font-weight:600;color:var(--text-primary);display:flex;align-items:center}.video-grid[data-v-c86ed6fa]{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.video-card[data-v-c86ed6fa]{background:var(--card-bg);border:var(--card-border);overflow:hidden}.video-card[data-v-c86ed6fa]:hover{border-color:#2adb5c4d}.video-cover[data-v-c86ed6fa]{position:relative;aspect-ratio:16/9;overflow:hidden}.video-cover img[data-v-c86ed6fa]{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.video-card:hover .video-cover img[data-v-c86ed6fa]{transform:scale(1.05)}.video-duration[data-v-c86ed6fa]{position:absolute;bottom:8px;right:8px;background:#000c;color:#fff;padding:2px 8px;border-radius:4px;font-size:12px}.play-overlay[data-v-c86ed6fa]{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;background:#0006;opacity:0;transition:opacity .3s ease;color:#fff}.video-card:hover .play-overlay[data-v-c86ed6fa]{opacity:1}.video-info[data-v-c86ed6fa]{padding:16px}.video-title[data-v-c86ed6fa]{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:8px;line-height:1.4}.video-desc[data-v-c86ed6fa]{font-size:14px;color:var(--text-tertiary);margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-meta[data-v-c86ed6fa]{display:flex;gap:16px;font-size:12px;color:var(--text-secondary)}.meta-item[data-v-c86ed6fa]{display:flex;align-items:center;gap:4px}.course-grid[data-v-c86ed6fa]{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.course-card[data-v-c86ed6fa]{background:var(--card-bg);border:var(--card-border);overflow:hidden}.course-card[data-v-c86ed6fa]:hover{border-color:#2adb5c4d}.course-cover[data-v-c86ed6fa]{position:relative;aspect-ratio:2/1;overflow:hidden}.course-cover img[data-v-c86ed6fa]{width:100%;height:100%;object-fit:cover}.course-badge[data-v-c86ed6fa]{position:absolute;top:8px;left:8px;background:linear-gradient(135deg,#ff6b6b,#ff8e53);color:#fff;padding:4px 12px;border-radius:12px;font-size:12px;font-weight:500}.course-content[data-v-c86ed6fa]{padding:16px}.course-title[data-v-c86ed6fa]{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.course-desc[data-v-c86ed6fa]{font-size:14px;color:var(--text-tertiary);margin-bottom:12px}.course-stats[data-v-c86ed6fa]{display:flex;gap:16px;font-size:12px;color:var(--text-secondary);margin-bottom:12px}.course-stats .stat[data-v-c86ed6fa]{display:flex;align-items:center;gap:4px}.course-tags[data-v-c86ed6fa]{display:flex;gap:8px;margin-bottom:12px}.course-footer[data-v-c86ed6fa]{display:flex;justify-content:space-between;align-items:center}.course-learners[data-v-c86ed6fa]{display:flex;align-items:center;gap:4px;font-size:12px;color:#2adb5c}.material-list[data-v-c86ed6fa]{display:flex;flex-direction:column;gap:12px}.material-card[data-v-c86ed6fa]{background:var(--card-bg);border:var(--card-border)}.material-card[data-v-c86ed6fa] .n-card__content{display:flex;align-items:center;gap:16px}.material-card[data-v-c86ed6fa]:hover{border-color:#2adb5c4d}.material-icon[data-v-c86ed6fa]{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:#ffffff0d;border-radius:8px}.material-info[data-v-c86ed6fa]{flex:1}.material-title[data-v-c86ed6fa]{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.material-desc[data-v-c86ed6fa]{font-size:14px;color:var(--text-tertiary);margin-bottom:8px}.material-meta[data-v-c86ed6fa]{display:flex;gap:16px;font-size:12px;color:var(--text-secondary)}.meta-tag[data-v-c86ed6fa]{background:#2adb5c1a;color:#2adb5c;padding:2px 8px;border-radius:4px}@media (max-width: 768px){.learn-page[data-v-c86ed6fa]{padding:16px 0}.page-container[data-v-c86ed6fa]{padding:0 12px}.main-content[data-v-c86ed6fa]{flex-direction:column;gap:16px}.left-content[data-v-c86ed6fa]{width:100%}.right-sidebar[data-v-c86ed6fa]{width:100%;order:-1}.feature-cards[data-v-c86ed6fa]{grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:16px}.feature-card[data-v-c86ed6fa]{height:70px;font-size:14px;border-radius:12px}.feature-card .n-icon[data-v-c86ed6fa]{font-size:24px!important}.feature-card .feature-icon-svg[data-v-c86ed6fa]{width:24px;height:24px}.main-tabs[data-v-c86ed6fa]{padding:16px;border-radius:12px}.video-grid[data-v-c86ed6fa],.course-grid[data-v-c86ed6fa]{grid-template-columns:1fr;gap:16px}.video-card[data-v-c86ed6fa],.course-card[data-v-c86ed6fa]{border-radius:10px}.video-info[data-v-c86ed6fa],.course-content[data-v-c86ed6fa]{padding:12px}.video-title[data-v-c86ed6fa],.course-title[data-v-c86ed6fa]{font-size:15px}.video-desc[data-v-c86ed6fa],.course-desc[data-v-c86ed6fa]{font-size:13px;margin-bottom:8px}.section-header[data-v-c86ed6fa]{flex-direction:column;gap:12px;align-items:flex-start;margin-bottom:16px}.section-title[data-v-c86ed6fa]{font-size:18px}.section-header .n-select[data-v-c86ed6fa]{width:100%!important}.material-card[data-v-c86ed6fa] .n-card__content{flex-direction:column;text-align:center}.roadmap-content[data-v-c86ed6fa]{flex-direction:column;text-align:center;padding:12px}.roadmap-icon[data-v-c86ed6fa]{margin-bottom:16px;width:80px;height:80px}.roadmap-title[data-v-c86ed6fa]{font-size:20px}.roadmap-desc[data-v-c86ed6fa]{font-size:14px}.checkin-card-sidebar[data-v-c86ed6fa]{border-radius:12px;margin-bottom:12px}.leaderboard-card[data-v-c86ed6fa]{border-radius:12px;position:static}.leaderboard-item[data-v-c86ed6fa]{padding:6px}}.roadmap-intro[data-v-c86ed6fa]{display:flex;justify-content:center}.roadmap-card[data-v-c86ed6fa]{background:var(--card-bg);border:var(--card-border);cursor:pointer;width:100%}.roadmap-card[data-v-c86ed6fa]:hover{border-color:#2adb5c80;transform:translateY(-4px)}.roadmap-content[data-v-c86ed6fa]{display:flex;align-items:center;gap:32px;padding:16px}.roadmap-icon[data-v-c86ed6fa]{flex-shrink:0;width:100px;height:100px;display:flex;align-items:center;justify-content:center;background:#2adb5c1a;border-radius:16px}.roadmap-info[data-v-c86ed6fa]{flex:1}.roadmap-title[data-v-c86ed6fa]{font-size:24px;font-weight:700;color:var(--text-primary);margin-bottom:12px}.roadmap-desc[data-v-c86ed6fa]{font-size:15px;color:var(--text-tertiary);line-height:1.6;margin-bottom:16px}.roadmap-features[data-v-c86ed6fa]{display:flex;gap:8px;flex-wrap:wrap}.learn-page[data-v-c86ed6fa]:not(.dark-mode){background:linear-gradient(180deg,#f9fafb,#f3f4f6)}.learn-page:not(.dark-mode) .page-title[data-v-c86ed6fa]{color:#111827}.learn-page:not(.dark-mode) .section-title[data-v-c86ed6fa]{color:var(--text-primary)}.learn-page:not(.dark-mode) .video-card[data-v-c86ed6fa],.learn-page:not(.dark-mode) .course-card[data-v-c86ed6fa],.learn-page:not(.dark-mode) .material-card[data-v-c86ed6fa]{background:var(--card-bg);border:var(--card-border)}.learn-page:not(.dark-mode) .video-card[data-v-c86ed6fa]:hover,.learn-page:not(.dark-mode) .course-card[data-v-c86ed6fa]:hover,.learn-page:not(.dark-mode) .material-card[data-v-c86ed6fa]:hover{border-color:#111827}.learn-page:not(.dark-mode) .video-title[data-v-c86ed6fa],.learn-page:not(.dark-mode) .course-title[data-v-c86ed6fa],.learn-page:not(.dark-mode) .material-title[data-v-c86ed6fa]{color:var(--text-primary)}.learn-page:not(.dark-mode) .video-desc[data-v-c86ed6fa],.learn-page:not(.dark-mode) .course-desc[data-v-c86ed6fa],.learn-page:not(.dark-mode) .material-desc[data-v-c86ed6fa]{color:var(--banner-desc)}.learn-page:not(.dark-mode) .video-meta[data-v-c86ed6fa],.learn-page:not(.dark-mode) .course-stats[data-v-c86ed6fa],.learn-page:not(.dark-mode) .material-meta[data-v-c86ed6fa]{color:var(--text-tertiary)}.learn-page:not(.dark-mode) .roadmap-card[data-v-c86ed6fa]{background:var(--card-bg);border:var(--card-border)}.learn-page:not(.dark-mode) .roadmap-card[data-v-c86ed6fa]:hover{border-color:#111827}.learn-page:not(.dark-mode) .roadmap-icon[data-v-c86ed6fa]{background:#1118271a}.learn-page:not(.dark-mode) .roadmap-title[data-v-c86ed6fa]{color:var(--text-primary)}.learn-page:not(.dark-mode) .roadmap-desc[data-v-c86ed6fa]{color:var(--banner-desc)}.learn-page:not(.dark-mode) .material-icon[data-v-c86ed6fa]{background:#1118270d}.learn-page:not(.dark-mode) .course-learners[data-v-c86ed6fa]{color:#111827}.learn-page:not(.dark-mode) .checkin-stats .stat-value[data-v-c86ed6fa]{color:var(--text-primary)}.learn-page:not(.dark-mode) .checkin-stats .stat-label[data-v-c86ed6fa],.learn-page:not(.dark-mode) .checkin-tip[data-v-c86ed6fa]{color:var(--banner-desc)}.learn-page:not(.dark-mode) .checkin-tip .highlight[data-v-c86ed6fa]{color:#111827}.learn-page:not(.dark-mode) .leaderboard-card[data-v-c86ed6fa]{background:var(--card-bg);border:var(--card-border)}.learn-page:not(.dark-mode) .leaderboard-header[data-v-c86ed6fa]{color:var(--text-primary)}.learn-page:not(.dark-mode) .leaderboard-item .username[data-v-c86ed6fa]{color:var(--text-primary)}.learn-page:not(.dark-mode) .leaderboard-item .days[data-v-c86ed6fa]{color:#111827}.learn-page:not(.dark-mode) .leaderboard-item[data-v-c86ed6fa]:hover{background:#1118270d}.learn-page:not(.dark-mode) .rank-badge[data-v-c86ed6fa]{background:#1118271a;color:#6b7280}.learn-page:not(.dark-mode) .study-group-card[data-v-c86ed6fa]{background:var(--card-bg);border:var(--card-border)}.learn-page:not(.dark-mode) .study-group-header[data-v-c86ed6fa]{color:var(--text-primary)}.learn-page:not(.dark-mode) .group-name[data-v-c86ed6fa]{color:var(--text-primary)}.learn-page:not(.dark-mode) .group-member-count[data-v-c86ed6fa]{color:var(--banner-desc)}.learn-page:not(.dark-mode) .study-group-item[data-v-c86ed6fa]{background:#11182708}.learn-page:not(.dark-mode) .study-group-item[data-v-c86ed6fa]:hover{background:#4dabf71a}.learn-page:not(.dark-mode) .qrcode-tip[data-v-c86ed6fa]{color:#111827}.learn-page:not(.dark-mode) .qrcode-desc[data-v-c86ed6fa]{color:var(--banner-desc)}@media (max-width: 768px){.checkin-content[data-v-c86ed6fa]{flex-direction:column;align-items:stretch}.checkin-stats[data-v-c86ed6fa]{flex-wrap:wrap;gap:16px}.checkin-right[data-v-c86ed6fa]{text-align:center}.checkin-btn[data-v-c86ed6fa]{width:100%}}
