:root{--ink:#0f1419;--muted:#536471;--line:#eff3f4;--blue:#1d9bf0;--hover:#f7f9f9;--soft:#eff3f4;--green:#00ba7c;--pink:#f91880;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:#fff}body{font-size:15px;line-height:1.35}button,input{font:inherit;color:inherit}button,a{-webkit-tap-highlight-color:transparent}.hidden{display:none!important}.app-shell{width:1225px;max-width:100%;margin:0 auto;display:grid;grid-template-columns:275px 600px 350px;gap:0}.left-rail{position:relative}.left-inner{position:fixed;top:0;width:275px;height:100dvh;padding:0 24px 12px 8px;display:flex;flex-direction:column}.brand{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;text-decoration:none;color:var(--ink);font-size:20px;font-weight:800}.brand:hover{background:var(--soft)}.brand span{letter-spacing:-1px}.left-inner nav{display:grid;align-content:start}.nav-item{width:max-content;max-width:100%;min-height:52px;border:0;border-radius:9999px;background:transparent;padding:0 16px 0 12px;display:flex;align-items:center;gap:20px;text-decoration:none;color:var(--ink);cursor:pointer}.nav-item:hover{background:var(--soft)}.nav-item svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}.nav-item.active svg{fill:var(--ink)}.nav-item b{font-size:20px;font-weight:400}.nav-item.active b{font-weight:700}.compose-button{width:214px;height:52px;margin-top:14px;border:0;border-radius:9999px;background:var(--blue);color:#fff;font-size:17px;font-weight:700}.compose-button:hover{background:#1a8cd8}.account-card{min-height:64px;margin-top:auto;border-radius:9999px;padding:10px;display:grid;grid-template-columns:40px minmax(0,1fr) 28px;gap:10px;align-items:center}.account-card:hover{background:var(--soft)}.account-card>div:nth-child(2){display:grid}.account-card b{font-size:14px}.account-card span{font-size:14px;color:var(--muted)}.avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;background:#111}.avatar.news{background:linear-gradient(135deg,#111 30%,#1d9bf0)}.avatar.openai{background:#111}.avatar.anthropic{background:#d97757}.avatar.google{background:#4285f4}.avatar.xai{background:#111}.avatar.mistral{background:#f77b35}.avatar.meta{background:#0866ff}.avatar.nvidia{background:#76b900}.avatar.microsoft{background:#737373}.avatar.huggingface{background:#ffbd12;color:#111}.avatar.langchain{background:#1c3c3c}
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button.active:after{content:"";position:absolute;left:26%;right:26%;bottom:0;height:4px;border-radius:4px;background:var(--blue)}.post{display:grid;grid-template-columns:48px minmax(0,1fr);gap:10px;padding:12px 16px 4px;border-bottom:1px solid var(--line);cursor:pointer;transition:background .15s}.post:hover{background:rgba(0,0,0,.025)}.post .avatar{width:48px;height:48px}.post-main{min-width:0}.post-head{display:flex;align-items:center;min-width:0;line-height:20px}.post-head strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.verified{width:17px;height:17px;margin-left:2px;display:inline-grid;place-items:center;border-radius:50%;background:var(--blue);color:#fff;font-size:11px;font-weight:900}.handle,.post-time{color:var(--muted);white-space:nowrap}.handle{margin-left:4px;overflow:hidden;text-overflow:ellipsis}.post-time:before{content:"·";margin:0 4px}.more-button{width:44px;height:44px;margin:-12px -8px -12px auto;border:0;border-radius:50%;background:transparent;color:var(--muted);font-size:18px}.more-button:hover{background:#e8f5fd;color:var(--blue)}.post-summary{margin:2px 0 0;font-size:15px;line-height:20px;white-space:pre-wrap;overflow-wrap:anywhere}.post-summary.clamped{display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.show-inline{min-height:44px;border:0;background:transparent;color:var(--blue);padding:2px 0;font-size:15px}.source-quote{margin:8px 0 0;border:1px solid var(--line);border-radius:16px;padding:12px;background:#fff}.source-quote small{display:block;margin-bottom:5px;color:var(--muted)}.source-quote p{margin:0;color:#33414b;font-size:14px;line-height:19px}.source-quote p.clamped{display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.media-preview{height:230px;margin-top:10px;border:1px solid var(--line);border-radius:16px;display:grid;place-items:center;overflow:hidden;background:linear-gradient(135deg,#f4f8fb,#eef5f7);color:var(--muted);text-decoration:none;position:relative}.media-preview b{font-size:18px;color:var(--ink)}.media-preview img{width:100%;height:100%;object-fit:cover;border-radius:15px;display:block}.media-kind-badge{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:54px;height:54px;border-radius:50%;display:grid;place-items:center;padding-left:3px;color:#fff;background:rgba(15,20,25,.78);border:2px solid rgba(255,255,255,.92);box-shadow:0 2px 12px rgba(0,0,0,.28);font-size:23px}.media-preview:hover .media-kind-badge{background:rgba(29,155,240,.92)}.post-actions{height:44px;margin:4px 0 0 -8px;display:grid;grid-template-columns:repeat(4,1fr)}.post-action{border:0;background:transparent;color:var(--muted);display:flex;align-items:center;gap:8px;font-size:12px}.post-action span:first-child{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:16px}.post-action:hover{color:var(--blue)}.post-action:hover span:first-child{background:#e8f5fd}.post-action.bookmarked{color:var(--blue)}.post-action.share:hover{color:var(--green)}.post-action.share:hover span:first-child{background:#def1eb}.empty-feed{padding:54px 34px}.empty-feed h2{font-size:29px;margin:0 0 8px}.empty-feed p{color:var(--muted);margin:0}.post-detail header{height:53px;position:sticky;top:0;z-index:10;border-bottom:1px solid var(--line);background:rgba(255,255,255,.94);backdrop-filter:blur(12px);display:flex;align-items:center;gap:24px;padding:0 16px}.back-button{width:44px;height:44px;border:0;border-radius:50%;background:transparent;font-size:22px}.back-button:hover{background:var(--soft)}.post-detail header h1{font-size:20px}.detail-body{padding:12px 16px 0;border-bottom:1px solid var(--line)}.detail-author{display:grid;grid-template-columns:48px minmax(0,1fr) 34px;gap:10px;align-items:center}.detail-author>div:nth-child(2){display:grid}.detail-author span{color:var(--muted)}.detail-summary{font-size:23px;line-height:28px;margin:18px 0 14px;white-space:pre-wrap}.detail-original{border:1px solid var(--line);border-radius:16px;padding:14px;margin:0 0 16px}.detail-original h3{margin:0 0 7px;font-size:14px}.detail-original p{margin:0;color:#33414b;white-space:pre-wrap}.detail-meta{padding:14px 0;color:var(--muted);border-bottom:1px solid var(--line)}.detail-meta a{color:inherit;text-decoration:none}.detail-metrics{display:flex;gap:18px;padding:14px 0;border-bottom:1px solid var(--line);color:var(--muted)}.detail-metrics b{color:var(--ink)}.detail-actions{height:58px;display:flex;align-items:center;justify-content:space-around}.detail-actions button,.detail-actions a{width:44px;height:44px;border:0;border-radius:50%;background:transparent;display:grid;place-items:center;color:var(--muted);text-decoration:none;font-size:19px}.detail-actions button:hover,.detail-actions a:hover{background:#e8f5fd;color:var(--blue)}
.right-rail{position:relative}.right-inner{position:fixed;top:0;width:350px;height:100dvh;padding:5px 0 40px 30px;overflow-y:auto}.search-box{height:44px;border-radius:9999px;background:var(--soft);display:flex;align-items:center;padding:0 16px;gap:10px;position:sticky;top:0;z-index:10}.search-box:focus-within{background:#fff;outline:1px solid var(--blue)}.search-box svg{width:19px;height:19px;fill:none;stroke:var(--muted);stroke-width:2}.search-box input{width:100%;border:0;outline:0;background:transparent}.side-card{margin-top:16px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}.side-card h2{margin:0;padding:12px 16px 8px;font-size:20px}.company{min-height:64px;padding:10px 16px;display:grid;grid-template-columns:40px minmax(0,1fr) auto;gap:10px;align-items:center}.company:hover{background:var(--hover)}.company>div:nth-child(2){display:grid;min-width:0}.company b,.company span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.company span{color:var(--muted);font-size:14px}.company button{min-height:44px;border:0;border-radius:9999px;background:var(--ink);color:#fff;padding:0 16px;font-weight:700}.show-more{width:100%;min-height:52px;border:0;background:transparent;color:var(--blue);text-align:left;padding:0 16px}.show-more:hover{background:var(--hover)}.trends button{width:100%;min-height:82px;border:0;background:transparent;text-align:left;padding:10px 16px;display:grid}.trends button:hover{background:var(--hover)}.trends small,.trends span{color:var(--muted);font-size:13px}.trends b{font-size:15px}.schedule{padding-bottom:12px}.schedule p,.schedule>span{display:block;margin:0;padding:4px 16px}.schedule>span{color:var(--muted);font-size:13px}.right-inner footer{padding:14px 16px;color:var(--muted);font-size:12px;display:flex;flex-wrap:wrap;gap:5px}.right-inner footer a{color:inherit;text-decoration:none}.right-inner footer a:hover{text-decoration:underline}.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(30px);z-index:100;border-radius:6px;background:var(--blue);color:#fff;padding:12px 18px;opacity:0;pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
@media(max-width:1300px){.app-shell{width:1038px;grid-template-columns:88px 600px 350px}.left-inner{width:88px;padding:0 12px;align-items:center}.left-inner .nav-item{width:52px;padding:0;justify-content:center}.left-inner .nav-item b,.account-card>div:nth-child(2),.account-card>span{display:none}.compose-button{width:52px;font-size:0}.compose-button:before{content:"+";font-size:28px}.account-card{grid-template-columns:40px;padding:6px}.right-inner{padding-left:24px}}
@media(max-width:1000px){.app-shell{width:688px;grid-template-columns:88px 600px}.right-rail{display:none}}
@media(max-width:700px){.app-shell{width:100%;display:block;padding-bottom:58px}.left-rail{position:fixed;left:0;right:0;bottom:0;height:58px;z-index:30;background:rgba(255,255,255,.96);border-top:1px solid var(--line);backdrop-filter:blur(12px)}.left-inner{position:static;width:100%;height:58px;padding:0 10px;display:block}.brand,.compose-button,.account-card{display:none}.left-inner nav{height:58px;display:grid;grid-template-columns:repeat(4,1fr)}.left-inner .nav-item{width:100%;height:58px;border-radius:0}.left-inner .nav-item svg{width:24px;height:24px}.center-column{width:100%;min-height:calc(100dvh - 58px);border:0}.feed-header{padding:0 14px}.feed-tabs{grid-template-columns:repeat(4,minmax(0,1fr));overflow:auto}.feed-tabs button{font-size:13px}.post{grid-template-columns:42px minmax(0,1fr);gap:8px;padding:10px 12px 3px}.post .avatar{width:42px;height:42px}.post-head strong{max-width:110px}.source-quote{padding:10px}.media-preview{height:190px}.post-action{justify-content:center}.post-action b{display:none}.detail-summary{font-size:21px;line-height:26px}.detail-metrics{gap:0;justify-content:space-between;font-size:12px}.detail-metrics span{white-space:nowrap}.toast{bottom:76px;max-width:calc(100% - 32px);white-space:nowrap}}

/* Smart header, following, saved news, company profile and detail sources */
.smart-chrome{position:sticky;top:0;z-index:20;background:#fff;transition:transform .22s ease;will-change:transform}.smart-chrome .feed-header,.smart-chrome .feed-tabs{position:static}.smart-chrome.chrome-hidden{transform:translateY(-100%)}
.company-avatar-button{border:0;padding:0;cursor:pointer}.company-name,.detail-company-name,.company-identity{border:0;background:transparent;padding:0;text-align:left;min-width:0;cursor:pointer}.company-name{display:flex;align-items:center;min-width:0;line-height:20px}.company-name:hover strong,.detail-company-name:hover strong,.company-identity:hover b{text-decoration:underline}.detail-company-name{display:grid}.detail-company-name span{color:var(--muted)}.company-identity{display:grid;color:var(--ink)}.company-identity span{color:var(--muted);font-size:14px}.follow-button{min-width:92px;min-height:36px;border:1px solid var(--ink);border-radius:9999px;background:var(--ink);color:#fff;padding:0 15px;font-weight:700;white-space:nowrap}.follow-button.following{background:#fff;color:var(--ink);border-color:#cfd9de}.follow-button:hover{opacity:.88}.company .avatar{min-height:40px!important;border-radius:50%!important;padding:0!important}.company .company-identity{min-height:44px!important;border-radius:0!important;background:transparent!important;color:var(--ink)!important;padding:0!important;font-weight:400!important}.company .follow-button{min-height:36px!important;padding:0 12px!important}.source-links{border:1px solid var(--line);border-radius:16px;margin:0 0 16px;overflow:hidden}.source-links h3{margin:0;padding:13px 14px 8px;font-size:15px}.source-links a{min-height:58px;padding:9px 14px;border-top:1px solid var(--line);display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;color:var(--ink);text-decoration:none}.source-links a:hover{background:var(--hover)}.source-links a b{color:var(--blue)}.source-links a small{grid-column:1/3;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.company-view-header{height:53px;position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:22px;padding:0 16px;background:rgba(255,255,255,.94);backdrop-filter:blur(12px)}.company-view-header h1{font-size:20px;line-height:21px;margin:0}.company-view-header p{font-size:12px;color:var(--muted);margin:0}.company-cover{height:150px;background:linear-gradient(135deg,#cfd9de,#eff3f4)}.company-profile-main{position:relative;padding:0 16px 16px}.company-profile-main>.avatar{width:134px;height:134px;border:4px solid #fff;font-size:28px;position:relative;margin-top:-68px}.profile-follow{position:absolute;right:16px;top:12px;min-height:40px}.company-profile-main h2{font-size:21px;margin:12px 0 0}.company-profile-main>p{color:var(--muted);margin:1px 0}.company-profile-main .company-description{color:var(--ink);margin-top:14px}.company-count{margin-top:14px;color:var(--muted)}.company-count b{color:var(--ink)}.company-tabs{height:53px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr}.company-tabs button{position:relative;border:0;background:transparent;font-weight:700}.company-tabs button:after{content:"";position:absolute;left:42%;right:42%;bottom:0;height:4px;background:var(--blue);border-radius:4px}
.companies-intro{padding:20px 16px 14px;border-bottom:1px solid var(--line)}.companies-intro h2{margin:0 0 5px;font-size:22px}.companies-intro p{margin:0;color:var(--muted)}.companies-grid{display:grid}.directory-company{min-height:82px;padding:12px 16px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:48px minmax(0,1fr) auto;gap:12px;align-items:center}.directory-company:hover{background:var(--hover)}.directory-company>.avatar{width:48px;height:48px}.directory-company .company-identity{min-height:48px}.directory-company .company-identity small{color:var(--muted);margin-top:2px}.directory-company .follow-button{min-height:40px}
.avatar{overflow:hidden}.avatar-image{display:block;width:100%;height:100%;object-fit:cover;border-radius:inherit;background:#fff}.company-description.clamped{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.bio-expand{min-height:44px;margin:-4px 0 0;padding:0;border:0;background:transparent;color:var(--blue);font-weight:700;cursor:pointer}.bio-expand:hover{text-decoration:underline}.company-website{width:max-content;max-width:100%;min-height:44px;display:flex;align-items:center;gap:7px;color:var(--blue);font-weight:600;text-decoration:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.company-website:hover{text-decoration:underline}.company-website span{font-size:18px}.company-profile-main>.avatar .avatar-image{border-radius:50%}
.github-intro{padding:18px 16px;border-bottom:1px solid var(--line);display:flex;gap:12px;align-items:center;background:linear-gradient(135deg,#f7f9f9,#fff)}.github-intro h2{margin:0;font-size:22px}.github-intro p{margin:4px 0 0;color:var(--muted)}.github-mark{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:#24292f;color:#fff;font-weight:800}.github-mark.small{width:42px;height:42px;font-size:12px;flex:0 0 auto}.github-card{padding:14px 16px;border-bottom:1px solid var(--line)}.github-card:hover{background:rgba(0,0,0,.018)}.github-repo-head{display:flex;gap:11px}.github-repo-head h3{margin:0;font-size:17px;overflow-wrap:anywhere}.github-repo-head p{margin:4px 0 0;color:#33414b}.github-reason{margin:11px 0;padding:10px 12px;border-left:3px solid var(--blue);background:#f5faff;color:#33414b}.github-meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:13px}.github-open{min-height:44px;margin-top:7px;display:inline-flex;align-items:center;color:var(--blue);font-weight:700;text-decoration:none}
@media(max-width:700px){.left-rail{transition:transform .22s ease;will-change:transform}body.nav-hidden .left-rail{transform:translateY(100%)}.feed-tabs{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:100px;overflow-x:auto;scrollbar-width:none}.feed-tabs::-webkit-scrollbar{display:none}.feed-tabs button{font-size:12px}.company-cover{height:118px}.company-profile-main>.avatar{width:110px;height:110px;margin-top:-56px}.source-links a{min-height:60px}.directory-company{grid-template-columns:44px minmax(0,1fr) auto;padding:11px 12px;gap:9px}.directory-company>.avatar{width:44px;height:44px}.directory-company .follow-button{min-width:82px;padding:0 10px}}
/* Structured, complete Vietnamese summaries */
.summary-shell{margin:3px 0 0;position:relative}.summary-shell.clamped{max-height:84px;overflow:hidden}.summary-shell.clamped:after{content:"";position:absolute;left:0;right:0;bottom:0;height:22px;pointer-events:none;background:linear-gradient(transparent,#fff)}.summary-content{font-size:15px;line-height:20px;overflow-wrap:anywhere}.summary-paragraphs{display:grid;gap:8px}.summary-paragraphs p{margin:0}.summary-points{margin:0;padding-left:21px;display:grid;gap:7px}.summary-points li{padding-left:2px}.summary-points li::marker{color:var(--blue)}.detail-summary{margin:18px 0 16px;font-size:18px;line-height:26px}.detail-summary .summary-points{gap:11px;padding-left:24px}.detail-summary .summary-paragraphs{gap:12px}
@media(max-width:700px){.summary-shell.clamped{max-height:84px}.detail-summary{font-size:17px;line-height:24px}.detail-summary .summary-points{gap:9px}}