@import "https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&display=swap";*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--ink:#111110;--ink-secondary:#5c5c58;--ink-muted:#a3a39e;--accent:#d94f2b;--accent-hover:#bc3d1c;--surface:#fff;--surface-2:#f8f8f6;--border:#e2e2de;--radius:2px}html,body,#root{height:100%}body{background:var(--surface);color:var(--ink);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:DM Sans,sans-serif}._wrap_16z0t_1{flex-shrink:0;position:relative}._bell_16z0t_7{width:32px;height:32px;color:var(--ink-muted);cursor:pointer;background:0 0;border:none;border-radius:2px;justify-content:center;align-items:center;transition:color .15s,background .15s;display:flex;position:relative}._bell_16z0t_7:hover{color:var(--ink);background:var(--surface-2)}@keyframes 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.15s}._acceptBtn_1o7vw_312:hover{background:var(--accent);color:#fff}._replySection_1o7vw_332{margin-top:48px;animation:.4s .15s both _slideUp_1o7vw_1}._replyForm_1o7vw_337{flex-direction:column;gap:16px;display:flex}._error_1o7vw_339{border:1px solid #f9c5b8;border-left:3px solid var(--accent);color:var(--accent-hover);border-radius:var(--radius);background:#fef3f0;padding:10px 14px;font-size:13.5px}._replyTextarea_1o7vw_349{color:var(--ink);background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);resize:vertical;outline:none;width:100%;padding:16px 18px;font-family:DM Sans,sans-serif;font-size:14.5px;line-height:1.75;transition:border-color .15s,box-shadow .15s}._replyTextarea_1o7vw_349:focus{border-color:var(--ink);background:var(--surface);box-shadow:0 0 0 3px 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var(--surface-2) 25%, var(--border) 50%, var(--surface-2) 75%);border-bottom:1px solid var(--border);background-size:200% 100%;height:72px;animation:1.4s infinite _shimmer_vkq5r_1}._list_vkq5r_355{list-style:none}._item_vkq5r_359{border-bottom:1px solid var(--border);align-items:flex-start;gap:16px;padding:18px 0;animation:.35s both _itemIn_vkq5r_1;display:flex;position:relative}@keyframes _itemIn_vkq5r_1{0%{opacity:0;transform:translate(-6px)}to{opacity:1;transform:translate(0)}}._item_vkq5r_359:before{content:"";background:var(--accent);transform-origin:50%;width:3px;transition:transform .2s;position:absolute;top:0;bottom:0;left:-48px;transform:scaleY(0)}._item_vkq5r_359:hover:before{transform:scaleY(1)}._itemIdx_vkq5r_389{color:var(--border);letter-spacing:.05em;text-align:right;-webkit-user-select:none;user-select:none;flex-shrink:0;width:24px;padding-top:2px;font-family:DM Serif Display,serif;font-size:12px;line-height:1.5;transition:color .15s}._item_vkq5r_359:hover ._itemIdx_vkq5r_389{color:var(--ink-muted)}._itemBody_vkq5r_405{flex-direction:column;flex:1;gap:5px;min-width:0;display:flex}._itemTop_vkq5r_413{flex-wrap:wrap;align-items:center;gap:8px;display:flex}._solvedBadge_vkq5r_420{color:#1a7a4a;letter-spacing:.02em;background:#edf7f2;border:1px solid #b2dfc8;border-radius:2px;flex-shrink:0;padding:1px 6px;font-size:10.5px;font-weight:600}._acceptedBadge_vkq5r_432{color:var(--accent);letter-spacing:.02em;background:#d94f2b12;border:1px solid #d94f2b40;border-radius:2px;flex-shrink:0;padding:1px 6px;font-size:10.5px;font-weight:600}._itemTitle_vkq5r_444{letter-spacing:-.3px;color:var(--ink);font-family:DM Serif Display,serif;font-size:16.5px;font-weight:400;line-height:1.35;text-decoration:none;transition:color 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48px}._sidebar_vkq5r_156{position:static}._topbarInner_vkq5r_19{padding-left:20px;padding-right:20px}._brandSub_vkq5r_58,._item_vkq5r_359:before{display:none}._footer_vkq5r_547{padding-left:20px;padding-right:20px}}._page_2h1er_2{background:var(--surface);flex-direction:column;min-height:100vh;display:flex}._topbar_2h1er_10{border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:20;background:#ffffffed;position:sticky;top:0}._topbarInner_2h1er_19{justify-content:space-between;align-items:center;max-width:1080px;height:60px;margin:0 auto;padding:0 48px;display:flex}._brand_2h1er_29{align-items:center;gap:12px;text-decoration:none;display:flex}._brandChar_2h1er_36{color:var(--accent);letter-spacing:-1.5px;font-family:DM Serif Display,serif;font-size:30px;line-height:1}._brandText_2h1er_44{flex-direction:column;gap:1px;display:flex}._brandName_2h1er_50{color:var(--ink);letter-spacing:.01em;font-size:14px;font-weight:600;line-height:1}._brandSub_2h1er_58{color:var(--ink-muted);letter-spacing:.04em;font-size:11px;line-height:1}._nav_2h1er_65{align-items:center;gap:8px;display:flex}._navUser_2h1er_71{color:var(--ink-secondary);padding:4px 10px;font-size:13px;font-weight:500;text-decoration:none;transition:color .15s}._navUser_2h1er_71:hover{color:var(--ink)}._navLink_2h1er_82{color:var(--ink-secondary);border-radius:2px;padding:6px 12px;font-size:13.5px;font-weight:500;text-decoration:none;transition:color .15s}._navLink_2h1er_82:hover{color:var(--ink)}._registerBtn_2h1er_94{color:var(--ink);border:1.5px solid var(--ink);background:0 0;border-radius:2px;padding:6px 14px;font-size:13.5px;font-weight:500;text-decoration:none;transition:background .15s,color .15s}._registerBtn_2h1er_94:hover{background:var(--ink);color:#fff}._askBtn_2h1er_108{color:#fff;background:var(--accent);border-radius:2px;align-items:center;gap:6px;padding:7px 14px;font-size:13.5px;font-weight:500;text-decoration:none;transition:background .15s;display:inline-flex}._askBtn_2h1er_108:hover{background:var(--accent-hover)}._logoutBtn_2h1er_124{color:var(--ink-muted);cursor:pointer;background:0 0;border:none;border-radius:2px;padding:6px 10px;font-family:DM Sans,sans-serif;font-size:13px;font-weight:500;transition:color .15s,background .15s}._logoutBtn_2h1er_124:hover{color:var(--ink);background:var(--surface-2)}._pageHeader_2h1er_140{border-bottom:1px solid var(--border);background:var(--surface);position:relative;overflow:hidden}._pageHeader_2h1er_140:before{content:"";pointer-events:none;background:radial-gradient(circle,#d94f2b0d 0%,#0000 70%);width:300px;height:300px;position:absolute;top:-40px;right:-60px}._pageHeaderInner_2h1er_158{max-width:1080px;margin:0 auto;padding:48px 48px 40px;animation:.5s both _fadeUp_2h1er_1}@keyframes _fadeUp_2h1er_1{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}._pageLabel_2h1er_170{letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 12px;font-size:11px;font-weight:600}._pageTitle_2h1er_179{letter-spacing:-1.5px;color:var(--ink);margin:0 0 16px;font-family:DM Serif Display,serif;font-size:clamp(28px,3.5vw,46px);font-weight:400;line-height:1.15}._pageTitle_2h1er_179 em{color:var(--ink-secondary);font-style:italic}._pageDesc_2h1er_194{color:var(--ink-muted);margin:0;font-size:13.5px}._pageDesc_2h1er_194 strong{color:var(--ink);font-weight:600}._filterNote_2h1er_205{color:var(--accent);font-weight:500}._body_2h1er_211{flex:1;width:100%;max-width:1080px;margin:0 auto;padding:0 48px 64px}._sectionLabel_2h1er_220{letter-spacing:.12em;text-transform:uppercase;color:var(--ink-muted);font-size:11px;font-weight:600}._tagSection_2h1er_229{border-bottom:1px solid var(--border);padding:32px 0 28px;animation:.5s 50ms both _fadeUp_2h1er_1}._tagSectionHeader_2h1er_235{justify-content:space-between;align-items:center;margin-bottom:18px;display:flex}._clearBtn_2h1er_242{color:var(--accent);cursor:pointer;background:#d94f2b12;border:1px solid #d94f2b33;border-radius:2px;padding:4px 10px;font-family:DM Sans,sans-serif;font-size:12px;font-weight:500;transition:background .15s}._clearBtn_2h1er_242:hover{background:#d94f2b24}._tagSkeletonWrap_2h1er_257{flex-wrap:wrap;gap:8px;display:flex}._tagSkeleton_2h1er_257{background:linear-gradient(90deg, var(--surface-2) 25%, var(--border) 50%, var(--surface-2) 75%);background-size:200% 100%;border-radius:2px;height:30px;animation:1.4s infinite _shimmer_2h1er_1}@keyframes _shimmer_2h1er_1{0%{background-position:200% 0}to{background-position:-200% 0}}._noTags_2h1er_276{color:var(--ink-muted);font-size:13px}._tagCloud_2h1er_281{flex-wrap:wrap;gap:8px;display:flex}._tagChip_2h1er_287{color:var(--ink-secondary);background:var(--surface-2);border:1px solid var(--border);cursor:pointer;border-radius:2px;align-items:center;gap:7px;padding:6px 12px;font-family:DM Sans,sans-serif;font-size:13px;font-weight:500;transition:background .15s,color .15s,border-color .15s,transform .1s;animation:.3s both _chipIn_2h1er_1;display:inline-flex}@keyframes _chipIn_2h1er_1{0%{opacity:0;transform:scale(.94)}to{opacity:1;transform:scale(1)}}._tagChip_2h1er_287:hover{background:var(--ink);color:#fff;border-color:var(--ink)}._tagChipActive_2h1er_315{background:var(--accent)!important;color:#fff!important;border-color:var(--accent)!important}._tagName_2h1er_321{line-height:1}._tagCount_2h1er_325{opacity:.7;letter-spacing:-.3px;font-family:DM Serif Display,serif;font-size:13px;line-height:1}._listSection_2h1er_334{padding-top:28px;animation:.5s .1s both _fadeUp_2h1er_1}._listHeader_2h1er_339{border-bottom:2px solid var(--ink);justify-content:space-between;align-items:center;margin-bottom:0;padding-bottom:12px;display:flex}._listCount_2h1er_348{color:var(--ink-muted);font-size:12px}._qSkeletonWrap_2h1er_354{flex-direction:column;display:flex}._qSkeleton_2h1er_354{background:linear-gradient(90deg, var(--surface-2) 25%, var(--border) 50%, var(--surface-2) 75%);border-bottom:1px solid var(--border);background-size:200% 100%;height:72px;animation:1.4s infinite _shimmer_2h1er_1}._list_2h1er_334{list-style:none}._item_2h1er_367{border-bottom:1px solid var(--border);align-items:flex-start;gap:16px;padding:18px 0;animation:.32s both _itemIn_2h1er_1;display:flex;position:relative}@keyframes _itemIn_2h1er_1{0%{opacity:0;transform:translate(-5px)}to{opacity:1;transform:translate(0)}}._item_2h1er_367:before{content:"";background:var(--accent);transform-origin:50%;width:3px;transition:transform .2s;position:absolute;top:0;bottom:0;left:-48px;transform:scaleY(0)}._item_2h1er_367:hover:before{transform:scaleY(1)}._itemIdx_2h1er_397{color:var(--border);text-align:right;-webkit-user-select:none;user-select:none;flex-shrink:0;width:24px;padding-top:2px;font-family:DM Serif Display,serif;font-size:12px;line-height:1.6;transition:color .15s}._item_2h1er_367:hover ._itemIdx_2h1er_397{color:var(--ink-muted)}._itemBody_2h1er_412{flex-direction:column;flex:1;gap:5px;min-width:0;display:flex}._itemTop_2h1er_420{flex-wrap:wrap;align-items:center;gap:8px;display:flex}._solvedBadge_2h1er_427{color:#1a7a4a;background:#edf7f2;border:1px solid #b2dfc8;border-radius:2px;flex-shrink:0;padding:1px 6px;font-size:10.5px;font-weight:600}._itemTitle_2h1er_438{letter-spacing:-.3px;color:var(--ink);font-family:DM Serif Display,serif;font-size:16.5px;font-weight:400;line-height:1.35;text-decoration:none;transition:color 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.12s}._inlineTag_2h1er_483:hover{background:var(--ink);color:#fff;border-color:var(--ink)}._inlineTagActive_2h1er_502{background:var(--accent)!important;color:#fff!important;border-color:var(--accent)!important}._itemStats_2h1er_509{flex-shrink:0;gap:8px;padding-top:2px;display:flex}._statBox_2h1er_516{border:1px solid var(--border);background:var(--surface-2);border-radius:2px;flex-direction:column;align-items:center;gap:1px;min-width:34px;padding:5px 7px;display:flex}._statNum_2h1er_528{color:var(--ink-secondary);letter-spacing:-.5px;font-family:DM Serif Display,serif;font-size:15px;line-height:1}._statLabel_2h1er_536{color:var(--ink-muted);letter-spacing:.04em;font-size:10px}._hasAns_2h1er_542 ._statNum_2h1er_528{color:var(--ink)}._solved_2h1er_427{background:#edf7f2;border-color:#b2dfc8}._solved_2h1er_427 ._statNum_2h1er_528{color:#1a7a4a}._empty_2h1er_547{flex-direction:column;align-items:center;gap:16px;padding:60px 0;display:flex}._emptyTitle_2h1er_555{color:var(--ink-muted);letter-spacing:-.3px;font-family:DM Serif Display,serif;font-size:20px}._emptyBtn_2h1er_562{color:#fff;background:var(--accent);border-radius:2px;padding:9px 20px;font-size:13.5px;font-weight:500;text-decoration:none;transition:background .15s}._emptyBtn_2h1er_562:hover{background:var(--accent-hover)}._footer_2h1er_576{border-top:1px solid var(--border);width:100%;max-width:1080px;color:var(--ink-muted);margin:0 auto;padding:20px 48px;font-size:12.5px}@media (width<=768px){._topbarInner_2h1er_19,._pageHeaderInner_2h1er_158,._body_2h1er_211,._footer_2h1er_576{padding-left:20px;padding-right:20px}._brandSub_2h1er_58,._item_2h1er_367:before{display:none}._pageTitle_2h1er_179{font-size:28px}}._page_x324t_2{background:var(--surface);flex-direction:column;min-height:100vh;display:flex}._topbar_x324t_10{border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:20;background:#ffffffed;position:sticky;top:0}._topbarInner_x324t_19{justify-content:space-between;align-items:center;max-width:1080px;height:60px;margin:0 auto;padding:0 48px;display:flex}._brand_x324t_29{align-items:center;gap:12px;text-decoration:none;display:flex}._brandChar_x324t_36{color:var(--accent);letter-spacing:-1.5px;font-family:DM Serif Display,serif;font-size:30px;line-height:1}._brandText_x324t_44{flex-direction:column;gap:1px;display:flex}._brandName_x324t_46{color:var(--ink);letter-spacing:.01em;font-size:14px;font-weight:600;line-height:1}._brandSub_x324t_54{color:var(--ink-muted);letter-spacing:.04em;font-size:11px;line-height:1}._nav_x324t_61{align-items:center;gap:8px;display:flex}._navUser_x324t_63{color:var(--ink-secondary);padding:4px 10px;font-size:13px;font-weight:500;text-decoration:none;transition:color .15s}._navUser_x324t_63:hover{color:var(--ink)}._navLink_x324t_73{color:var(--ink-secondary);border-radius:2px;padding:6px 12px;font-size:13.5px;font-weight:500;text-decoration:none;transition:color .15s}._navLink_x324t_73:hover{color:var(--ink)}._registerBtn_x324t_84{color:var(--ink);border:1.5px solid var(--ink);background:0 0;border-radius:2px;padding:6px 14px;font-size:13.5px;font-weight:500;text-decoration:none;transition:background .15s,color .15s}._registerBtn_x324t_84:hover{background:var(--ink);color:#fff}._askBtn_x324t_97{color:#fff;background:var(--accent);border-radius:2px;align-items:center;gap:6px;padding:7px 14px;font-size:13.5px;font-weight:500;text-decoration:none;transition:background .15s;display:inline-flex}._askBtn_x324t_97:hover{background:var(--accent-hover)}._logoutBtn_x324t_112{color:var(--ink-muted);cursor:pointer;background:0 0;border:none;border-radius:2px;padding:6px 10px;font-family:DM Sans,sans-serif;font-size:13px;font-weight:500;transition:color .15s,background .15s}._logoutBtn_x324t_112:hover{color:var(--ink);background:var(--surface-2)}._searchHero_x324t_127{border-bottom:1px solid var(--border);background:var(--surface)}._searchHeroInner_x324t_132{max-width:1080px;margin:0 auto;padding:48px 48px 40px;animation:.45s both _fadeUp_x324t_1}@keyframes _fadeUp_x324t_1{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}._heroLabel_x324t_144{letter-spacing:.22em;color:var(--accent);margin:0 0 20px;font-size:9px;font-weight:700}._searchForm_x324t_153{border-bottom:2px solid var(--ink);align-items:stretch;gap:0;margin-bottom:20px;padding-bottom:0;display:flex}._inputWrap_x324t_162{flex:1;align-items:center;gap:14px;padding-bottom:14px;display:flex}._searchIcon_x324t_170{color:var(--ink-muted);flex-shrink:0;transition:color .15s}._inputWrap_x324t_162:focus-within ._searchIcon_x324t_170{color:var(--ink)}._searchInput_x324t_180{letter-spacing:-1px;color:var(--ink);caret-color:var(--accent);background:0 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both _fadeUp_x324t_1;display:flex}._emptyTitle_x324t_304{color:var(--ink);letter-spacing:-.4px;margin:0;font-family:DM Serif Display,serif;font-size:22px}._emptyHint_x324t_312{color:var(--ink-muted);margin:0 0 4px;font-size:13px}._emptyBtn_x324t_318{color:#fff;background:var(--accent);border-radius:2px;padding:9px 20px;font-size:13.5px;font-weight:500;text-decoration:none;transition:background .15s}._emptyBtn_x324t_318:hover{background:var(--accent-hover)}._list_x324t_331{list-style:none}._item_x324t_333{border-bottom:1px solid var(--border);align-items:flex-start;gap:20px;padding:20px 0;animation:.32s both _itemIn_x324t_1;display:flex;position:relative}@keyframes _itemIn_x324t_1{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}._item_x324t_333:before{content:"";background:var(--accent);transform-origin:50%;width:3px;transition:transform 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1px}._itemSnippet_x324t_402{color:var(--ink-secondary);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:13px;line-height:1.65;display:-webkit-box;overflow:hidden}._itemMeta_x324t_419{flex-wrap:wrap;align-items:center;gap:6px;display:flex}._metaAuthor_x324t_426{color:var(--ink-secondary);font-size:12.5px;font-weight:500;text-decoration:none;transition:color .15s}._metaAuthor_x324t_426:hover{color:var(--ink)}._metaDot_x324t_435{color:var(--ink-muted);font-size:11px}._metaTime_x324t_437{color:var(--ink-muted);font-size:12.5px}._tag_x324t_439{color:var(--ink-muted);background:var(--surface-2);border:1px solid var(--border);border-radius:2px;padding:1px 6px;font-size:11px;font-weight:500;text-decoration:none;transition:background .12s,color .12s,border-color .12s}._tag_x324t_439:hover{background:var(--ink);color:#fff;border-color:var(--ink)}._itemStats_x324t_453{flex-shrink:0;gap:8px;padding-top:2px;display:flex}._statBox_x324t_460{border:1px solid var(--border);background:var(--surface-2);border-radius:2px;flex-direction:column;align-items:center;gap:1px;min-width:34px;padding:5px 7px;display:flex}._statNum_x324t_472{color:var(--ink-secondary);letter-spacing:-.5px;font-family:DM Serif Display,serif;font-size:15px;line-height:1}._statLabel_x324t_480{color:var(--ink-muted);letter-spacing:.04em;font-size:10px}._hasAns_x324t_486 ._statNum_x324t_472{color:var(--ink)}._solved_x324t_377{background:#edf7f2;border-color:#b2dfc8}._solved_x324t_377 ._statNum_x324t_472{color:#1a7a4a}._footer_x324t_491{border-top:1px solid var(--border);width:100%;max-width:1080px;color:var(--ink-muted);margin:0 auto;padding:20px 48px;font-size:12.5px}@media (width<=768px){._topbarInner_x324t_19,._searchHeroInner_x324t_132,._main_x324t_242,._footer_x324t_491{padding-left:20px;padding-right:20px}._brandSub_x324t_54,._item_x324t_333:before{display:none}._searchInput_x324t_180{font-size:22px}}