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(width<=600px){.lab-knobs{flex-direction:column;align-items:stretch;gap:16px}}.rag-glossary-list{flex-direction:column;gap:12px;margin-top:20px;display:flex}.rag-glossary-term{color:var(--text-h);margin-bottom:6px;font-size:15px;font-weight:600}.timeline-section{margin-top:28px}.timeline-section-title{margin-bottom:12px;font-size:18px}.tech-groups{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;display:grid}.tech-group-name{color:var(--text-h);margin-bottom:10px;font-size:15px;font-weight:600}.tech-item-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.tech-item-name{color:var(--text-h);font-size:14px;display:block}.tech-item-desc{color:var(--text);font-size:12px;display:block}.timeline-list{border-left:2px solid var(--border);flex-direction:column;gap:22px;margin:16px 0 0;padding:0 0 0 16px;list-style:none;display:flex}.timeline-item{padding-left:16px;position:relative}.timeline-item:before{content:"";background:var(--accent);border-radius:50%;width:8px;height:8px;position:absolute;top:6px;left:-23px}.timeline-item-meta{align-items:center;gap:10px;margin-bottom:4px;display:flex}.timeline-date{color:var(--text);font-size:13px}.timeline-tag{background:var(--code-bg);color:var(--text);border-radius:999px;padding:2px 8px;font-size:11px;font-weight:600}.timeline-tag-security{background:var(--accent-bg);color:var(--accent)}.timeline-item-title{color:var(--text-h);font-size:15px;font-weight:600}.timeline-item-desc{color:var(--text);margin-top:4px;font-size:13px}.page-title{margin:0 0 8px;font-size:26px}.page-desc{color:var(--text);font-size:15px}.subject-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-top:20px;display:grid}.subject-link{color:inherit;text-decoration:none}.subject-session{color:var(--accent);margin-bottom:6px;font-size:12px;font-weight:600}.subject-name{color:var(--text-h);font-size:16px;font-weight:600}.subject-count{color:var(--text);margin-top:8px;font-size:13px}.note-list{flex-direction:column;gap:14px;margin-top:16px;display:flex}.note-meta{color:var(--text);flex-wrap:wrap;gap:12px;margin-bottom:8px;font-size:13px;display:flex}.note-question{color:var(--text-h);font-size:15px;font-weight:500}.note-answer{color:var(--accent);margin-top:8px;font-size:14px}.note-filter{cursor:pointer;align-items:center;gap:8px;margin:8px 0 4px;font-size:14px;display:inline-flex}.note-link{margin-top:12px;text-decoration:none;display:inline-block}.study-section{margin-top:28px}.study-section-title{margin-bottom:12px;font-size:18px}.auth-page{max-width:360px;margin:0 auto}.auth-card{margin-top:16px}.auth-form{flex-direction:column;gap:14px;display:flex}.auth-form label{color:var(--text);text-align:left;flex-direction:column;gap:6px;font-size:14px;display:flex}.auth-form input{border:1px solid var(--border);background:var(--bg);color:var(--text-h);border-radius:8px;padding:10px 12px}.form-error{color:#c0392b;background:#e74c3c1f;border:1px solid #e74c3c66;border-radius:8px;margin:0;padding:10px 12px;font-size:14px}.login-notice{border:1px solid var(--border);background:var(--code-bg);border-radius:10px;margin-top:20px;padding:14px 16px;font-size:14px}.copyright-notice{border:1px solid var(--accent-border);background:var(--accent-bg);color:var(--text);border-radius:10px;margin-bottom:16px;padding:12px 14px;font-size:13px;line-height:1.5}