.Forum_forumContainer__cGWk2{margin:20px 0;padding:14px;border:1px solid #e1e5eb;border-radius:12px;background:#fff;color:#25334b}.Forum_headingRow__cbOKE{display:flex;align-items:center;justify-content:space-between;gap:12px}.Forum_forumHeading__n_bI3{margin:0;font-size:16px;font-weight:700}.Forum_basicText__muBFe{margin:8px 0 0;color:#64748b;font-size:12px;line-height:1.5}.Forum_newCommentSection__reCxa,.Forum_newForumSection__JmDkb{margin-top:12px;padding-top:12px;border-top:1px solid #e1e5eb}.Forum_inputField__jQKcm,.Forum_textArea__7yq2C{display:block;width:100%;box-sizing:border-box;padding:9px 10px;margin-bottom:8px;border:1px solid #d8dee7;border-radius:7px;background:#fff;color:#25334b;font:inherit;font-size:14px}.Forum_textArea__7yq2C{min-height:70px;max-height:220px;resize:vertical}.Forum_inputField__jQKcm:focus,.Forum_textArea__7yq2C:focus{outline:2px solid #64748b;outline-offset:1px}.Forum_cancelButton__5B1GY,.Forum_commentButton__AmxC_,.Forum_createAccount___fdEu,.Forum_submitButton__4Ctwv{display:inline-flex;align-items:center;min-height:36px;padding:7px 11px;border:1px solid #e1e5eb;border-radius:7px;background:#f8f9fb;color:#25334b;cursor:pointer;font-size:12px;font-weight:600}.Forum_submitButton__4Ctwv{background:#25334b;color:#fff;border-color:#25334b}.Forum_cancelButton__5B1GY{margin-left:6px}.Forum_submitButton__4Ctwv:disabled{opacity:.45;cursor:not-allowed}.Forum_forumPosts__td9_K{margin-top:8px}.Forum_forumPost__TM8KY{padding:12px 0;border-top:1px solid #e1e5eb}.Forum_forumTitle__cheKa{margin:0 0 5px;font-size:14px}.Forum_forumDescription__eE_Px{margin:0 0 6px;font-size:13px;line-height:1.5;overflow-wrap:anywhere}.Forum_commentTimeAgo__TmYa4{margin:5px 0;color:#64748b;font-size:10px}.Forum_tags__AtibO{display:flex;flex-wrap:wrap;gap:5px;margin:6px 0;font-size:11px}.Forum_tag__Gd_4i{padding:3px 6px;border-radius:4px;background:#f1f4f8;color:#526171}.Forum_comments__sk_Q1{margin:8px 0;padding-left:10px;border-left:1px solid #e1e5eb}.Forum_comment__jr1Hf{margin:5px 0;font-size:12px;line-height:1.5;overflow-wrap:anywhere}.Forum_fileInput__Zt_OC{display:block;max-width:100%;margin:8px 0;font-size:11px;color:#64748b}.Forum_uploadedFiles__6uOkC{margin:8px 0}.Forum_uploadedFile__08S_Y{display:flex;align-items:center;gap:8px;padding:6px;background:#f8f9fb;font-size:11px;overflow-wrap:anywhere}.Forum_uploadedFile__08S_Y span{min-width:0}.Forum_removeFileButton__HblVa{margin-left:auto;border:0;background:transparent;color:#526171;cursor:pointer}.ExamDiscussion_wrap__dNdyD{max-width:880px;margin:0 auto;padding:16px 14px 80px;color:var(--text)}.ExamDiscussion_head__HMLAy{border-bottom:1px solid var(--border);padding-bottom:14px;margin-bottom:14px;display:flex;flex-direction:column;gap:6px}.ExamDiscussion_title__kYybx{font-size:1.35rem;font-weight:800;margin:0;color:var(--text);letter-spacing:-.01em}.ExamDiscussion_sub__0A7Ts{margin:0;font-size:.84rem;color:var(--text-muted);line-height:1.5;max-width:56ch}.ExamDiscussion_askCta__NLoYK{margin-top:6px;align-self:flex-start;display:inline-flex;align-items:center;gap:6px;background:linear-gradient(135deg,var(--accent),#ff6a00);color:#fff;padding:7px 14px;border-radius:6px;font-size:.78rem;font-weight:700;text-decoration:none}.ExamDiscussion_askCta__NLoYK:hover{filter:brightness(1.08)}.ExamDiscussion_tabBar__atrcM{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:12px}.ExamDiscussion_tabBtn__JXcZV{background:none;color:var(--text-muted);font-size:.82rem;font-weight:600;padding:9px 14px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;border:none;border-bottom:2px solid transparent;margin-bottom:-1px}.ExamDiscussion_tabBtn__JXcZV:hover{color:var(--text)}.ExamDiscussion_tabActive__IC0p6{color:var(--text);border-bottom-color:var(--accent)}.ExamDiscussion_tabCount__Oza0X{background:var(--card);color:var(--text-muted);font-size:.66rem;padding:1px 6px;border-radius:8px;font-weight:700}.ExamDiscussion_empty__u7XuP{min-height:190px;padding:28px 24px;text-align:center;color:var(--text-muted);font-size:.9rem;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;border:1px dashed rgba(29,78,216,.25);border-radius:14px;background:linear-gradient(145deg,rgba(29,78,216,.055),hsla(0,0%,100%,.8))}.ExamDiscussion_emptyIcon__5ik5A{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;color:var(--accent);background:rgba(29,78,216,.1)}.ExamDiscussion_empty__u7XuP strong{color:var(--text);font-size:1rem}.ExamDiscussion_empty__u7XuP p{max-width:540px;margin:0;line-height:1.5;font-size:.8rem}.ExamDiscussion_emptyLink__RYoRK{color:var(--accent);text-decoration:none;font-weight:750;display:inline-flex;align-items:center;gap:4px;margin-top:3px}.ExamDiscussion_doubtList__g_04q{list-style:none;padding:0;margin:0}.ExamDiscussion_doubt__Yc23_{background:var(--bg);border:1px solid var(--border);border-radius:8px;margin-bottom:8px;overflow:hidden;transition:border-color .15s}.ExamDiscussion_doubt__Yc23_:hover{border-color:var(--accent-hover)}.ExamDiscussion_doubtOpen__L_CuX{border-color:rgba(29,78,216,.35)}.ExamDiscussion_doubtHeader__Kl_PU{width:100%;background:none;border:none;color:inherit;padding:12px 14px;text-align:left;cursor:pointer;display:flex;flex-direction:column;gap:7px}.ExamDiscussion_doubtQ__ZYBaD{display:flex;align-items:flex-start;gap:8px;font-size:.92rem;color:var(--text);font-weight:600;line-height:1.4}.ExamDiscussion_qMarker__z9cK_{flex-shrink:0;width:20px;height:20px;background:rgba(29,78,216,.12);color:var(--accent);font-weight:800;font-size:.7rem;display:inline-flex;align-items:center;justify-content:center;border-radius:4px;margin-top:1px}.ExamDiscussion_doubtMeta__PwYat{display:flex;align-items:center;gap:8px;font-size:.7rem;color:var(--text-muted);flex-wrap:wrap}.ExamDiscussion_confChip__HmIhR{background:rgba(16,185,129,.1);color:#10b981;border:1px solid rgba(16,185,129,.3);padding:1px 7px;border-radius:4px;font-size:.65rem;font-weight:700}.ExamDiscussion_metaChip__7nfsh{background:var(--card);border:1px solid var(--border);padding:1px 6px;border-radius:4px;color:var(--text-muted);font-size:.65rem}.ExamDiscussion_chev__Dwv0x{margin-left:auto;color:var(--text-muted);transition:transform .18s}.ExamDiscussion_chevOpen__mQQ6E{transform:rotate(90deg);color:var(--accent)}.ExamDiscussion_doubtBody__H9Wb4{padding:4px 14px 16px;border-top:1px solid var(--border);animation:ExamDiscussion_slideDown__IyTB6 .18s ease-out}@keyframes ExamDiscussion_slideDown__IyTB6{0%{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:translateY(0)}}.ExamDiscussion_doubtImg__QqBwa{max-width:100%;max-height:280px;border-radius:6px;border:1px solid var(--border);margin:10px 0;display:block}.ExamDiscussion_qText__UDb4J{font-size:.86rem;color:var(--text-muted);line-height:1.55;margin:8px 0}.ExamDiscussion_answerLabel__1VrP3{display:inline-flex;align-items:center;gap:5px;color:var(--accent);font-weight:700;font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;margin:12px 0 6px}.ExamDiscussion_answer__X2wSH{font-size:.86rem;color:var(--text);line-height:1.6}.ExamDiscussion_answer__X2wSH img{max-width:100%;border-radius:6px}.ExamDiscussion_answer__X2wSH h3{color:var(--accent);font-size:.92rem;margin:12px 0 6px}.ExamDiscussion_answer__X2wSH h4{color:var(--text);font-size:.84rem;margin:10px 0 4px}.ExamDiscussion_answer__X2wSH .math-formula{background:var(--bg);border-left:3px solid var(--accent);padding:8px 12px;margin:8px 0;border-radius:4px}.ExamDiscussion_answer__X2wSH .solution-step{background:var(--bg);border-left:3px solid #3b82f6;padding:8px 12px;margin:8px 0;border-radius:4px}.ExamDiscussion_srExcerpt__GDm_2{margin:0 14px 12px;font-size:.76rem;color:#5a5a5a;line-height:1.5}.ExamDiscussion_srExcerptLink__xVfqY{text-decoration:none;color:inherit;display:block}.ExamDiscussion_srExcerptLink__xVfqY:hover .ExamDiscussion_srExcerpt__GDm_2{color:#8a8a8a}.ExamDiscussion_permalink__OhzkK{display:inline-block;margin-top:14px;color:var(--accent);font-size:.78rem;font-weight:600;text-decoration:none}.ExamDiscussion_permalink__OhzkK:hover{text-decoration:underline}.ExamDiscussion_pager__glWty{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 0 0;margin-top:8px;border-top:1px solid var(--border)}.ExamDiscussion_pagerLink__eQG9A{color:var(--text);background:var(--card);border:1px solid var(--border);padding:7px 14px;border-radius:6px;font-size:.8rem;text-decoration:none;font-weight:600}.ExamDiscussion_pagerLink__eQG9A:hover{background:var(--card);border-color:var(--border)}.ExamDiscussion_pagerDisabled__7ZaTx{color:var(--text-muted);font-size:.8rem;padding:7px 14px}.ExamDiscussion_pagerStatus__4_Q_H{color:var(--text-muted);font-size:.78rem}.ExamDiscussion_chatWrap__sjcRI{padding:4px 0 24px}@media (max-width:640px){.ExamDiscussion_wrap__dNdyD{padding:12px 10px 80px}.ExamDiscussion_title__kYybx{font-size:1.15rem}.ExamDiscussion_doubtHeader__Kl_PU{padding:10px 12px}.ExamDiscussion_doubtBody__H9Wb4{padding:4px 12px 14px}}.ExamDiscussion_wrap__dNdyD{max-width:none;padding-inline:0}.ExamDiscussion_head__HMLAy{border-bottom-color:#e5e7eb}.ExamDiscussion_title__kYybx{font-family:var(--font-serif);font-weight:500;letter-spacing:-.02em}.ExamDiscussion_askCta__NLoYK{border-radius:9px;background:#171b24}.ExamDiscussion_tabActive__IC0p6{border-bottom-color:#303846}.ExamDiscussion_empty__u7XuP{border-color:#dfe2e7;background:#f8f8f7}.ExamDiscussion_emptyIcon__5ik5A{background:#eef0f3;color:#59616e}.ExamDiscussion_doubt__Yc23_{border-color:#e2e4e8;border-radius:12px}.ExamDiscussion_doubtOpen__L_CuX,.ExamDiscussion_doubt__Yc23_:hover{border-color:#c8cbd1}.ExamDiscussion_qMarker__z9cK_{background:#eef0f3;color:#4b5563}.ExamDiscussion_answerLabel__1VrP3,.ExamDiscussion_emptyLink__RYoRK,.ExamDiscussion_permalink__OhzkK{color:#3f4754}