:root{color:#121212;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--blue:#056de8;--blue-hover:#0451ad;--muted:#8590a6;--line:#f0f0f0;--surface-shadow:0 1px 3px #1212121a;background:#f6f6f6;font-family:-apple-system,BlinkMacSystemFont,Helvetica Neue,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0;line-height:1.6}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{color:inherit}#app{min-height:100vh}.topbar{z-index:20;height:52px;box-shadow:var(--surface-shadow);background:#fff;position:sticky;top:0}.topbar-inner{justify-content:space-between;align-items:center;width:min(100%,1000px);height:100%;margin:0 auto;padding:0 16px;display:flex}.topbar-left,.topbar-right,.main-nav{align-items:center;display:flex}.topbar-left{gap:24px}.topbar-right{gap:16px}.logo{color:var(--blue);letter-spacing:-1px;font-size:26px;font-weight:700}.main-nav{gap:20px;height:100%}.main-nav a{color:var(--muted);padding:14px 0;font-size:15px;font-weight:500}.main-nav a:hover,.main-nav a.router-link-exact-active{color:#121212;font-weight:600}.main-nav a.router-link-exact-active{border-bottom:3px solid var(--blue)}.search-box{background:#f6f6f6;border:1px solid #e7e7e7;border-radius:99px;align-items:center;width:240px;padding:6px 16px;display:flex}.search-box input{background:0 0;border:0;outline:0;width:100%;font-size:14px}.search-box input:disabled{cursor:not-allowed}.welcome-name{color:#444;text-overflow:ellipsis;white-space:nowrap;max-width:120px;font-size:14px;overflow:hidden}.text-button{color:var(--muted);cursor:pointer;background:0 0;border:0;padding:0;font-size:14px}.text-button:hover{color:var(--blue)}.primary-button,.outline-button{border:1px solid var(--blue);cursor:pointer;border-radius:4px;justify-content:center;align-items:center;min-height:36px;padding:7px 16px;font-size:14px;font-weight:500;transition:background .15s,color .15s,opacity .15s;display:inline-flex}.primary-button{background:var(--blue);color:#fff}.primary-button:hover{border-color:var(--blue-hover);background:var(--blue-hover)}.outline-button{color:var(--blue);background:#fff}.outline-button:hover{background:#056de80f}.primary-button:disabled,.outline-button:disabled{cursor:wait;opacity:.6}.small-button{border-radius:99px;min-height:30px;padding:4px 13px}.full-button{width:100%;margin-top:4px}.page-shell{min-height:calc(100vh - 52px);padding:10px 16px 36px}.feed-layout,.detail-layout{align-items:flex-start;gap:10px;width:min(100%,1000px);margin:0 auto;display:flex}.feed-column,.detail-main{flex:1;min-width:0}.side-column,.detail-aside{flex-direction:column;gap:10px;width:296px;display:flex}.surface,.content-card{box-shadow:var(--surface-shadow);background:#fff;border-radius:3px}.surface{padding:16px 20px}.feed-tabs{min-height:52px;box-shadow:var(--surface-shadow);background:#fff;justify-content:space-between;align-items:center;margin-bottom:10px;padding:0 20px;display:flex}.feed-tab{border-bottom:3px solid var(--blue);color:#121212;margin-right:24px;padding:14px 0;font-size:15px;font-weight:600;display:inline-block}.muted-tab{color:var(--muted);border-bottom-color:#0000;font-size:13px;font-weight:400}.refresh-button{color:var(--blue)}.content-card{flex-direction:column;gap:9px;margin-bottom:10px;padding:18px 20px;display:flex}.content-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:7px;font-size:13px;display:flex}.content-kind{color:#444;font-weight:600}.source-label{color:var(--blue);background:#056de81a;border-radius:99px;padding:1px 8px;font-size:12px}.meta-dot{color:#c4c9d1}.content-title{color:#121212;text-align:left;cursor:pointer;background:0 0;border:0;width:fit-content;padding:0;font-size:18px;font-weight:600;line-height:1.45}.content-title:hover{color:var(--blue)}.content-body{color:#444;text-align:left;cursor:pointer;-webkit-line-clamp:4;background:0 0;border:0;-webkit-box-orient:vertical;padding:0;font-size:15px;line-height:1.75;display:-webkit-box;overflow:hidden}.content-actions{flex-wrap:wrap;align-items:center;gap:12px;margin-top:6px;display:flex}.reaction-button{min-height:32px;color:var(--blue);cursor:pointer;background:#056de81a;border:0;border-radius:3px;padding:5px 11px;font-size:13px}.reaction-button:hover,.reaction-button.active{background:#056de829}.reaction-button:disabled{cursor:wait;opacity:.6}.inline-error{color:#b42318;margin:0;font-size:13px}.side-card h2{margin:0 0 8px;font-size:15px}.side-card p{color:var(--muted);margin:0 0 8px;font-size:13px}.login-prompt{margin-top:10px;padding:32px}.login-prompt h1{margin:0 0 8px;font-size:22px}.login-prompt p:not(.eyebrow){color:var(--muted);font-size:14px}.eyebrow{color:var(--blue);margin:0 0 6px;font-size:13px;font-weight:600}.prompt-actions{gap:10px;margin-top:20px;display:flex}.feed-status{color:var(--muted);text-align:center;margin-bottom:10px}.error-panel{color:#b42318;background:#fff5f5;border:1px solid #f3c7c7}.feed-end{color:var(--muted);text-align:center;padding:14px;font-size:13px}.feed-sentinel{height:1px}.auth-page{place-items:start center;min-height:calc(100vh - 52px);padding:48px 16px;display:grid}.auth-card{width:min(100%,440px);padding:32px}.auth-card h1{margin:0;font-size:24px;line-height:1.4}.auth-intro{color:var(--muted);margin:8px 0 24px;font-size:14px}.auth-form{flex-direction:column;display:flex}.auth-form label{margin:0 0 6px;font-size:14px;font-weight:600}.auth-form input{color:#121212;border:1px solid #e7e7e7;border-radius:4px;outline:0;height:42px;margin-bottom:17px;padding:9px 12px;font-size:14px}.auth-form input:focus,.comment-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #056de81a}.auth-form input::placeholder,.comment-form textarea::placeholder{color:#aeb6c2}.optional-label{color:var(--muted);margin-left:5px;font-size:12px;font-weight:400}.form-message{border-radius:4px;margin:-3px 0 13px;padding:9px 11px;font-size:13px}.auth-footer{border-top:1px solid var(--line);color:var(--muted);text-align:center;margin:20px 0 0;padding-top:16px;font-size:13px}.auth-footer a{color:var(--blue);font-weight:500}.detail-shell{padding-top:10px}.detail-heading{width:min(100%,1000px);margin:0 auto 10px;padding:22px 24px}.detail-topic{color:var(--blue);margin-bottom:7px;font-size:13px}.detail-heading h1{margin:0;font-size:23px;line-height:1.45}.detail-author{color:var(--muted);margin:10px 0 0;font-size:13px}.question-body{color:#444;white-space:pre-wrap;margin:15px 0 0;font-size:15px}.detail-layout{gap:10px}.section-heading{box-shadow:var(--surface-shadow);background:#fff;justify-content:space-between;align-items:baseline;margin-bottom:10px;padding:14px 20px;display:flex}.section-heading h2{margin:0;font-size:16px}.section-heading span{color:var(--muted);font-size:13px}.detail-status{color:var(--muted);margin-bottom:10px}.load-answers{width:100%;margin-bottom:10px}.comments-panel{margin-top:10px}.comment-form textarea{resize:vertical;border:1px solid #e7e7e7;border-radius:4px;outline:0;width:100%;padding:10px 12px;font-size:14px}.comment-form-footer{justify-content:space-between;align-items:center;gap:12px;margin:9px 0 12px;display:flex}.comment-message,.empty-comments{color:var(--muted);margin:0;font-size:13px}.comment-item{border-top:1px solid var(--line);padding:13px 0}.comment-item strong{font-size:13px}.comment-item p{color:#444;white-space:pre-wrap;margin:4px 0;font-size:14px}.comment-item time{color:var(--muted);font-size:12px}.detail-aside .side-card{position:sticky;top:64px}.detail-aside .text-button{margin-top:8px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@media (width<=768px){.side-column,.detail-aside{display:none}.search-box{width:155px}}@media (width<=560px){.main-nav{display:none}.topbar-left{gap:8px}.topbar-right{gap:10px}.search-box{width:clamp(90px,28vw,145px);padding-left:10px;padding-right:10px}.welcome-name{display:none}.page-shell{padding-left:10px;padding-right:10px}.content-card,.surface,.feed-tabs{padding-left:15px;padding-right:15px}.auth-page{padding:24px 12px}.auth-card{padding:25px 20px}.detail-heading{padding:18px 16px}.detail-heading h1{font-size:20px}}.login-wrap{width:min(100%,860px)}.login-header{text-align:center;margin-bottom:18px}.role-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;display:grid}.role-card{flex-direction:column;gap:6px;padding:24px;display:flex}.role-card h2{margin:0;font-size:19px}.role-name{color:var(--muted);margin:0;font-size:13px}.role-card ul{color:#444;flex:1;margin:8px 0 14px;padding-left:18px;font-size:14px;line-height:1.8}.password-login{margin-top:14px;padding:14px 20px}.password-login summary{color:var(--muted);cursor:pointer;font-size:14px}.password-login form{margin-top:12px}.notice-panel{color:#8a5a00;background:#fff8eb;border:1px solid #f5d9a8}.role-badge{color:#b25e00;white-space:nowrap;background:#fff3e0;border-radius:99px;padding:2px 8px;font-size:12px}.topic-label{color:#555;background:#f1f3f6;border-radius:99px;padding:1px 8px;font-size:12px}.bigv-badge{color:#fff;background:#ff9607;border-radius:3px;padding:0 6px;font-size:11px;font-weight:700}.follow-button{border:1px solid var(--blue);color:var(--blue);cursor:pointer;background:#fff;border-radius:99px;padding:1px 9px;font-size:12px}.follow-button.active{color:var(--muted);border-color:#c4c9d1}.compose-layout{grid-template-columns:minmax(0,1fr) 320px;gap:12px;width:min(100%,1000px);margin:0 auto;display:grid}.compose-card,.compose-side{padding:24px}.compose-card h1{margin:0 0 14px}.compose-row{gap:16px;margin-bottom:8px;display:flex}.compose-row label{flex-direction:column;gap:4px;font-size:14px;display:flex}.compose-card select,.compose-card textarea{border:1px solid var(--line);font:inherit;border-radius:4px;padding:8px}.compose-card textarea{resize:vertical;margin-bottom:14px}.compose-side h2{margin-top:0;font-size:16px}.compose-side p,.compose-side li{font-size:14px;line-height:1.7}.fanout-title{font-weight:600}.fanout-result{background:#eef5ff;border-radius:6px;margin:10px 0;padding:10px 14px}.fanout-result.push{background:#eefaf1}.fanout-mode{margin:0 0 4px;font-weight:700}.fanout-result ul{margin:0;padding-left:18px}.muted{color:var(--muted);font-size:13px}@media (width<=760px){.compose-layout{grid-template-columns:1fr}.topbar-right .search-box{display:none}}