/* 17c interface: compact editorial grid, light-neutral paper, urgent red accents. */
:root{--red:#D92338;--red-dark:#B71E31;--nav:#1A202C;--night:#0D1117;--bg:#F4F6F9;--muted-bg:#EAEEF3;--ink:#1E293B;--muted:#64748B;--line:#DCE2E9;--white:#fff;--signal:#00C853;--radius:5px;--shadow:0 2px 8px rgba(13,17,23,.045);--max:1230px}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}img{max-width:100%;display:block}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.37;letter-spacing:-.025em}h1{font-size:clamp(26px,2.9vw,39px);font-weight:900}h2{font-size:19px;font-weight:850}h3{font-size:17px;font-weight:800}p{margin-bottom:12px}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #FFB400;outline-offset:3px}.container{width:min(calc(100% - 36px),var(--max));margin-inline:auto}.skip{position:absolute;top:-60px;left:12px;background:white;color:var(--ink);padding:8px 14px;z-index:100}.skip:focus{top:8px}.signal-bar{background:var(--night);color:#BBC5D3;font-size:11px;letter-spacing:.03em}.signal-inner{display:flex;justify-content:space-between;align-items:center;min-height:32px;gap:12px}.live-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 3px rgba(0,200,83,.12);vertical-align:middle;margin-right:6px}.site-header{background:var(--nav);color:white;border-bottom:3px solid var(--red)}.header-inner{display:flex;align-items:center;min-height:74px;gap:32px}.brand{display:flex;gap:10px;align-items:center;flex-shrink:0}.brand img{width:45px;height:45px;object-fit:contain}.brand-text{font-size:34px;font-weight:1000;letter-spacing:-.09em;line-height:.9}.brand-text>span,.footer-brand>span{color:var(--red)}.brand-text small{display:block;font-size:8px;letter-spacing:.21em;color:#C4CBD7;line-height:2.2}.main-nav{display:flex;align-items:stretch;gap:7px;align-self:stretch;margin-left:8px}.main-nav a{display:flex;align-items:center;padding:0 17px;border-bottom:3px solid transparent;font-weight:750;font-size:14px;white-space:nowrap}.main-nav a:hover,.main-nav a[aria-current=page]{border-bottom-color:var(--red);background:#ffffff0c}.header-action{margin-left:auto;background:var(--red);color:white;padding:11px 17px;border-radius:3px;font-size:13px;font-weight:800;white-space:nowrap}.header-action:hover,.entry-link:hover,.submit-button:hover{background:var(--red-dark)}.red-kicker{font-size:11px;font-weight:900;letter-spacing:.15em;color:var(--red)}.home-layout{padding-top:17px;padding-bottom:44px}.entry-strip{display:flex;align-items:center;justify-content:space-between;gap:22px;background:white;border:1px solid var(--line);border-left:4px solid var(--red);padding:18px 22px;margin-bottom:15px;box-shadow:var(--shadow)}.entry-identity{max-width:810px}.entry-strip h1{font-size:clamp(23px,2.5vw,33px);margin:4px 0 5px}.entry-strip p{font-size:13px;color:var(--muted);margin:0}.entry-link{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;background:var(--red);color:white;padding:13px 18px;border-radius:3px;font-weight:850;white-space:nowrap}.main-columns{display:grid;grid-template-columns:minmax(0,1.82fr) minmax(300px,1fr);gap:15px;align-items:start}.primary-stream,.sidebar{min-width:0;display:grid;gap:15px}.lead-panel,.feed-panel,.talk-panel,.ranking-panel,.side-notes,.sidebar-callout{background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);overflow:hidden}.section-bar{min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line);padding:11px 15px}.section-bar h2{margin:0;display:flex;gap:9px;align-items:center}.head-mark{width:5px;height:18px;background:var(--red);display:inline-block;border-radius:1px}.bar-caption{color:var(--muted);font-size:11px;white-space:nowrap}.bar-link{font-size:12px;color:var(--red);font-weight:800}.lead-feature{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);min-height:264px}.lead-visual{position:relative;background:var(--muted-bg);overflow:hidden;min-height:264px}.lead-visual img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover}.corner-label{position:absolute;top:12px;left:12px;color:white;background:#1A202CE8;padding:5px 9px;font-size:11px;font-weight:800}.lead-copy{padding:25px 21px;display:flex;flex-direction:column;justify-content:center}.eyebrow{font:700 11px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--red);letter-spacing:.1em}.lead-copy h3{font-size:clamp(19px,2.2vw,28px);margin:10px 0 12px}.lead-copy p{font-size:13px;color:var(--muted);margin-bottom:14px}.text-arrow{font-weight:850;font-size:12px;color:var(--red);margin-top:auto}.lead-feature:hover h3,.story-card:hover h3,.talk-item:hover strong,.topic-card h3 a:hover{color:var(--red)}.story-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line)}.story-card{background:white;display:flex;flex-direction:column;min-width:0}.story-image{aspect-ratio:16/9;position:relative;overflow:hidden;background:var(--muted-bg)}.story-image img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}.story-card:hover img{transform:scale(1.025)}.image-tag{position:absolute;left:11px;top:11px;background:var(--red);color:white;font-size:10px;font-weight:900;padding:5px 8px}.story-copy{padding:15px;display:flex;flex:1;flex-direction:column}.story-copy h3{margin:0 0 10px;font-size:17px}.story-copy p{color:var(--muted);font-size:12px;line-height:1.72;margin-bottom:16px}.story-cta{margin-top:auto;font-size:12px;color:var(--red);font-weight:800}.text-only{background:var(--nav);color:white;justify-content:center;min-height:220px}.text-only .story-copy{padding:22px;justify-content:center}.text-only .story-copy h3{font-size:20px}.text-only .story-copy p{color:#BFC8D5}.mini-flag{font-size:11px;letter-spacing:.1em;color:#FFB6C1;font-weight:800;margin-bottom:13px}.talk-item{display:flex;align-items:center;gap:13px;padding:15px 16px;border-bottom:1px solid var(--line)}.talk-item:last-child{border:0}.talk-index{font:800 16px ui-monospace,Consolas,monospace;color:#A3ADBB}.talk-detail{flex:1;min-width:0}.talk-detail strong,.talk-detail small{display:block}.talk-detail strong{font-size:14px}.talk-detail small{font-size:12px;color:var(--muted);margin-top:3px}.talk-chevron{font-size:18px;color:#A0AFC2}.ranking-title{background:var(--nav);color:white;padding:16px 16px 13px;display:flex;align-items:baseline;justify-content:space-between;gap:6px}.ranking-title h2{font-size:18px;margin:0}.ranking-title small{color:#A9B5C6;font-size:10px}.ranking-list{list-style:none;padding:0;margin:0}.ranking-list li+li{border-top:1px solid var(--line)}.ranking-list a{display:flex;align-items:center;gap:12px;padding:12px 14px}.ranking-list a:hover{background:#F8F0F2}.rank-num{font:900 18px/1 ui-monospace,SFMono-Regular,Consolas,monospace;color:#9AA7B7;min-width:28px}.rank-top{color:var(--red)}.rank-label{font-size:13px;line-height:1.35;font-weight:750;min-width:0;flex:1}.rank-label small{display:block;color:var(--muted);font-size:11px;font-weight:450;margin-top:4px}.rank-link{font-size:13px;color:var(--red);font-weight:800}.sidebar-callout{padding:21px;background:var(--nav);color:white;border-color:var(--nav)}.callout-kicker{font:800 11px ui-monospace,Consolas,monospace;color:#FF9EAB;letter-spacing:.12em}.sidebar-callout h2{margin:10px 0;font-size:22px}.sidebar-callout p{color:#BBC8D8;font-size:13px}.sidebar-callout a{margin-top:8px;display:inline-flex;gap:15px;background:var(--red);padding:10px 13px;color:white;font-size:12px;font-weight:850}.side-notes{padding:19px}.side-notes h2{margin:0 0 12px}.side-notes p{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:10px;margin:0 0 9px}.side-notes strong{color:var(--ink)}
/* Community details focus on actual topic discussion and a server-side submission form. */
.community-page{padding-top:17px;padding-bottom:48px}.community-hero{background:var(--nav);color:white;display:grid;grid-template-columns:minmax(0,1.6fr) minmax(240px,.75fr);gap:20px;align-items:stretch;padding:26px 28px;border-top:4px solid var(--red);margin-bottom:15px}.community-hero .red-kicker{color:#FF8B9E}.community-hero h1{font-size:clamp(32px,4.4vw,52px);margin:7px 0 10px}.community-hero p{color:#CAD3DF;max-width:650px;font-size:14px}.hero-jump{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.hero-jump a{background:var(--red);padding:9px 13px;font-size:12px;font-weight:850}.hero-jump a+a{background:#2D3848;border:1px solid #627086}.hero-jump a:hover{filter:brightness(1.15)}.hero-aside{background:#0E1520;border-left:2px solid var(--red);padding:20px;display:flex;flex-direction:column;justify-content:center}.hero-aside-label{color:#F995A2;font:800 11px ui-monospace,Consolas,monospace;letter-spacing:.08em}.hero-aside strong{font-size:22px;line-height:1.4;margin:11px 0}.hero-aside p{font-size:12px;margin:0;color:#A9B5C5}.community-columns{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(260px,.75fr);gap:15px;align-items:start}.community-feed,.guideline-panel{background:white;border:1px solid var(--line)}.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line)}.topic-card{min-width:0;padding:17px;background:white;scroll-margin-top:15px}.topic-card:target{box-shadow:inset 4px 0 var(--red);background:#FFF9FA}.topic-card-head{display:flex;justify-content:space-between;align-items:center;gap:8px}.flag{font-size:10px;color:white;background:var(--red);padding:3px 7px;font-weight:850}.micro{font:500 10px ui-monospace,Consolas,monospace;color:var(--muted)}.topic-card h3{font-size:18px;margin:12px 0 9px}.topic-card>p{font-size:13px;color:var(--muted);margin-bottom:13px}.topic-extra{padding:12px 13px;background:var(--bg);border-left:2px solid var(--line);margin-bottom:14px}.topic-extra strong{font-size:12px}.topic-extra p{font-size:12px;line-height:1.75;color:#475569;margin:4px 0 12px}.topic-extra p:last-child{margin-bottom:0}.topic-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;padding-top:11px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.topic-foot a{color:var(--red);font-weight:800}.guideline-panel{padding:20px;position:sticky;top:15px}.guideline-panel h2{border-bottom:3px solid var(--red);padding-bottom:12px;margin-bottom:4px}.guideline-row{display:flex;gap:12px;padding:15px 0;border-bottom:1px solid var(--line)}.guideline-row:last-child{border:0}.guideline-row>span{font:850 18px ui-monospace,Consolas,monospace;color:var(--red)}.guideline-row strong{font-size:13px}.guideline-row p{font-size:12px;color:var(--muted);margin:4px 0 0}.submission-section{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:28px;background:white;border:1px solid var(--line);margin-top:16px;padding:26px;scroll-margin-top:20px}.submission-info h2{font-size:clamp(23px,3vw,32px);margin:9px 0 13px}.submission-info>p{color:var(--muted);font-size:13px}.submission-hint{background:var(--muted-bg);padding:18px;border-left:3px solid var(--red);margin-top:24px}.submission-hint strong{font-size:13px}.submission-hint p{font-size:12px;color:var(--muted);margin:6px 0 0}.submission-form{min-width:0}.field{margin-bottom:14px}.field label{display:block;font-size:13px;font-weight:800;margin-bottom:6px}.field label span{color:var(--red)}.field input,.field select,.field textarea{border:1px solid #C7D0DB;background:white;border-radius:3px;padding:11px 12px;width:100%;color:var(--ink);outline-offset:2px}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--red)}.field textarea{resize:vertical;min-height:165px}.field small{font-size:11px;color:var(--muted);display:block;margin-top:4px}.submit-button{border:0;background:var(--red);color:white;padding:12px 17px;font-size:14px;font-weight:850;width:100%;display:flex;justify-content:space-between;align-items:center}.form-footnote{font-size:11px;color:var(--muted);margin:9px 0 0}.form-alert{padding:12px 14px;margin-bottom:13px;font-size:13px;font-weight:700;border-left:3px solid}.form-alert.error{background:#FFF1F3;color:#AD1E30;border-color:var(--red)}.form-alert.success{background:#ECFBF1;color:#087A36;border-color:var(--signal)}.trap{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;overflow:hidden!important}
/* Footer and viewport adaptations. */
.site-footer{background:var(--night);color:#D6DCE5;padding:34px 0 0;border-top:4px solid var(--red)}.foot-layout{display:grid;grid-template-columns:minmax(0,2.2fr) minmax(170px,.8fr);gap:40px;padding-bottom:25px}.footer-brand{font-size:34px;letter-spacing:-.08em;font-weight:950;line-height:1}.footer-brand small{font-size:11px;letter-spacing:0;display:block;color:#AEB9C8;margin:8px 0 12px;font-weight:600}.site-footer p{font-size:12px;line-height:1.75;color:#AAB5C4;max-width:750px}.site-footer .foot-muted{font-size:11px;color:#8C98A9}.foot-links{display:flex;flex-direction:column;align-items:flex-start;gap:9px;font-size:12px}.foot-links strong{color:white;font-size:14px;margin-bottom:5px}.foot-links a:hover{color:#FF7388}.foot-bottom{display:flex;justify-content:space-between;gap:16px;border-top:1px solid #2A3240;padding:15px 0;font-size:11px;color:#8995A7}
@media(max-width:1050px){.main-columns{grid-template-columns:minmax(0,1.6fr) minmax(260px,1fr)}.lead-feature{grid-template-columns:1fr}.lead-visual{aspect-ratio:16/9;min-height:0}.lead-visual img{position:absolute}.lead-copy{padding:17px 18px}.lead-copy h3{font-size:23px}.community-columns{grid-template-columns:minmax(0,1.5fr) minmax(230px,.8fr)}.topic-grid{grid-template-columns:1fr}.main-nav a{padding-inline:12px}}
@media(max-width:760px){.container{width:min(calc(100% - 24px),var(--max))}.signal-note{display:none}.header-inner{min-height:64px;flex-wrap:wrap;gap:0}.brand{margin:8px 0}.brand img{width:38px;height:38px}.brand-text{font-size:28px}.header-action{padding:8px 11px;font-size:12px}.main-nav{order:3;margin:0;width:100%;min-height:40px;overflow-x:auto;gap:0}.main-nav a{font-size:12px;padding:9px 13px}.entry-strip{flex-direction:column;align-items:flex-start;padding:16px}.entry-link{width:100%}.main-columns,.community-columns{grid-template-columns:1fr}.sidebar{grid-template-columns:1fr 1fr;align-items:start}.ranking-panel{grid-column:1/-1}.ranking-list{display:grid;grid-template-columns:1fr 1fr}.ranking-list li{border-bottom:1px solid var(--line)}.ranking-list li:nth-child(2n){border-left:1px solid var(--line)}.guideline-panel{position:static}.community-hero{grid-template-columns:1fr;padding:20px}.hero-aside{padding:14px 18px}.submission-section{grid-template-columns:1fr;gap:16px;padding:19px}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.foot-layout{gap:15px}}
@media(max-width:540px){body{font-size:14px}.home-layout,.community-page{padding-top:12px}.section-bar{padding:10px 12px}.section-bar h2{font-size:17px}.bar-caption{font-size:10px}.story-grid,.topic-grid,.sidebar,.ranking-list{grid-template-columns:1fr}.ranking-list li:nth-child(2n){border-left:0}.story-image{aspect-ratio:16/9}.text-only{min-height:180px}.lead-copy h3{font-size:22px}.entry-strip h1{font-size:25px}.sidebar-callout h2{font-size:19px}.community-hero h1{font-size:34px}.community-hero p{font-size:13px}.foot-layout{grid-template-columns:1fr;gap:22px}.foot-bottom{flex-direction:column;gap:5px}.topic-card{padding:15px}.topic-card h3{font-size:17px}.guideline-panel{padding:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}