@charset "UTF-8";
:root{color-scheme:light;--red:#D92338;--graphite:#1A202C;--deep:#0D1117;--bg:#F4F6F9;--muted-bg:#EAEEF3;--ink:#1E293B;--muted:#64748B;--green:#00C853;--line:#D9E0E9;--white:#fff;--max:1220px;--radius:5px;--shadow:0 2px 10px rgba(16,24,40,.045)}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:14px;line-height:1.68;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}a:hover{color:var(--red)}img{max-width:100%;display:block}h1,h2,h3,p,ul,ol,figure{margin-top:0}h1,h2,h3{line-height:1.3;letter-spacing:-.025em}h1{font-size:clamp(23px,2.45vw,36px);font-weight:900}h2{font-size:19px;font-weight:850}h3{font-size:17px;font-weight:850}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.55}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #FD8390;outline-offset:3px}.wrap{max-width:var(--max);width:calc(100% - 36px);margin:0 auto}.skip{position:absolute;top:-100px;left:12px;z-index:99;background:white;padding:12px}.skip:focus{top:12px}.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.eyebrow{font-size:11px;letter-spacing:.11em;color:var(--red);font-weight:900;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.meta{font-size:11px;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.section-note{font-size:11px;color:var(--muted);font-weight:600}.section-heading{display:flex;justify-content:space-between;align-items:baseline;gap:12px;min-height:33px;margin:0 0 12px;border-bottom:1px solid var(--line)}.section-heading h2{margin-bottom:10px;display:flex;align-items:center;gap:9px}.heading-mark{display:inline-block;width:4px;height:18px;border-radius:1px;background:var(--red)}.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--red);font-size:12px;font-weight:800;white-space:nowrap}.badge{display:inline-flex;align-items:center;font-size:11px;padding:2px 6px;line-height:1.5;white-space:nowrap;font-weight:800;letter-spacing:.01em;background:#fff0f1;color:#b51e33;border-left:2px solid var(--red)}.badge.video{background:#eef0ff;color:#4a4db1;border-color:#6268d7}.badge.tip{background:#ecfbf2;color:#167943;border-color:#00a66b}.badge.discussion{background:#fff6e9;color:#9e5c06;border-color:#ec9d20}.badge.tracking{background:#fff0f1;color:#af1a31;border-color:var(--red)}
/* Brand navigation: compact editorial control bar */
.site-header{background:var(--graphite);color:#f9fafb;border-bottom:3px solid var(--red)}.header-inner{display:flex;align-items:center;min-height:66px;gap:24px}.brand{display:flex;gap:6px;align-items:center;white-space:nowrap;line-height:1;color:white}.brand:hover{color:white}.brand img{width:36px;height:36px;object-fit:contain}.brand>span{font-size:27px;letter-spacing:-.08em;font-weight:950}.brand .red{color:#fa4a5e}.brand small{align-self:flex-end;margin-bottom:3px;margin-left:6px;font:700 9px/1 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.08em;color:#8e9bad}.top-nav{display:flex;gap:2px;align-self:stretch;align-items:stretch;margin-left:24px}.top-nav a{display:inline-flex;align-items:center;justify-content:center;padding:0 16px;color:#c8d1dd;font-weight:750;border-bottom:3px solid transparent;margin-bottom:-3px}.top-nav a:hover,.top-nav a[aria-current=page]{background:#263344;color:white;border-bottom-color:var(--red)}.top-nav .nav-action{color:#fff;margin-left:10px;background:#3b2530;border-bottom-color:#3b2530}.top-nav .nav-action:hover{background:var(--red)}.header-label{margin-left:auto;color:#bcc7d4;font:700 11px/1.2 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:nowrap}.signal{display:inline-block;width:7px;height:7px;background:var(--green);border-radius:50%;margin-right:3px;box-shadow:0 0 0 3px rgba(0,200,83,.12)}
/* Homepage: editorial briefing */
.homepage{padding-top:17px;padding-bottom:34px}.intro-bar{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:12px 0 16px}.intro-bar h1{font-size:clamp(22px,2.4vw,31px);margin:2px 0 7px}.intro-bar p{color:#5d6d7f;margin:0;font-weight:550}.community-shortcut{min-width:232px;display:flex;align-items:center;gap:11px;padding:11px 14px;background:#fff;border:1px solid var(--red);border-left:4px solid var(--red);border-radius:4px;color:var(--ink);transition:background .18s,transform .18s}.community-shortcut:hover{background:#fff4f5;transform:translateY(-1px)}.shortcut-symbol{display:grid;place-items:center;width:38px;height:38px;background:var(--red);color:white;font-size:22px;font-weight:900}.community-shortcut strong,.community-shortcut small{display:block}.community-shortcut strong{font-size:16px;line-height:1.3}.community-shortcut small{color:var(--muted);font-size:11px;margin-top:3px}.mast-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(320px,1fr);gap:15px;align-items:start}.lead-card{overflow:hidden}.lead-image{position:relative;background:#d7dce4;aspect-ratio:16/8.4;overflow:hidden}.lead-image img{width:100%;height:100%;object-fit:cover}.live-flag{position:absolute;top:11px;left:11px;background:var(--red);color:white;padding:5px 9px;font-size:11px;font-weight:850;letter-spacing:.03em}.live-flag i{display:inline-block;width:5px;height:5px;border-radius:50%;background:#fff;margin-right:4px;vertical-align:middle}.lead-body{padding:17px 19px 15px}.lead-body h3{font-size:clamp(19px,2.1vw,28px);line-height:1.35;margin:6px 0 10px}.lead-body p{line-height:1.75;color:#475569;margin-bottom:18px}.lead-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:10px;border-top:1px solid var(--line);color:var(--muted);font-size:11px}.lead-bottom a{font-weight:800;color:var(--red);font-size:12px}.headline-strip{background:#fff;display:flex;align-items:center;gap:12px;padding:13px 15px;margin-top:12px;border:1px solid var(--line);border-left:3px solid var(--red)}.headline-strip>strong{color:#fff;font-size:11px;background:var(--graphite);padding:4px 8px;white-space:nowrap}.headline-strip>a{font-weight:750;flex:1}.headline-strip>a span{float:right;color:var(--red)}
/* The index is deliberately an ordered editorial set, not a made-up live ranking. */
.ranking{overflow:hidden}.ranking-header{padding:15px 17px 11px;background:var(--graphite);color:white;display:flex;justify-content:space-between;align-items:end;gap:8px}.ranking-header .eyebrow{color:#ff7180}.ranking-header h2{margin:4px 0 0;font-size:19px}.rank-caption{color:#a4b4c4;font-size:10px;max-width:98px;text-align:right}.ranking-list{list-style:none;margin:0;padding:0 13px}.ranking-list li{display:flex;align-items:center;gap:10px;padding:12px 3px;border-bottom:1px solid #e9edf2;min-height:52px}.ranking-list li:last-child{border-bottom:0}.ranking-list li a{min-width:0;flex:1;font-size:13px;font-weight:750;line-height:1.48;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.rank-num{font:900 17px/1 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:-.05em;color:#8793a6;min-width:28px}.rank-num.top{color:var(--red)}.rank-dot{font-size:13px;color:#9ba9b9}.ranking-bottom{padding:12px 16px;border-top:1px solid var(--line);background:var(--muted-bg);font-size:11px;color:#506174;display:flex;gap:10px;flex-wrap:wrap;justify-content:space-between}.ranking-bottom a{font-weight:800;color:var(--red);white-space:nowrap}
/* Two-column news cards: editorial summaries are original for each topic */
.feed-section{margin-top:24px}.feed-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.story{display:flex;flex-direction:column;padding:14px 15px;min-width:0;transition:box-shadow .15s,border-color .15s}.story:hover{border-color:#c5cdd7;box-shadow:0 6px 19px rgba(15,23,42,.07)}.story-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.story-visual{aspect-ratio:16/7.5;overflow:hidden;background:#e4e9ef;margin-bottom:11px;border-radius:3px}.story-visual img{width:100%;height:100%;object-fit:cover;transition:transform .25s}.story:hover .story-visual img{transform:scale(1.025)}.story h3{margin-bottom:9px;font-size:17px;line-height:1.42}.story p{color:#57677a;line-height:1.68;font-size:13px;margin:0 0 15px;flex:1}.story-foot{border-top:1px solid var(--line);padding-top:10px;display:flex;justify-content:space-between;gap:9px;align-items:center}.story-foot .meta{font-size:10px}
/* Discussion snippets deliberately link to full independently useful articles */
.community-preview{margin-top:24px}.prompt-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.prompt-card{display:flex;flex-direction:column;align-items:flex-start;gap:8px;background:#fff;border:1px solid var(--line);border-top:3px solid var(--graphite);border-radius:4px;padding:15px 14px 13px;min-width:0;min-height:180px}.prompt-card:hover{border-top-color:var(--red);background:#fffafa}.prompt-no{font:900 15px/1 ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--red)}.prompt-card strong{font-size:14px;line-height:1.45;color:#263445}.prompt-card>span:not(.prompt-no){font-size:12px;color:var(--muted);line-height:1.65;flex:1}.prompt-card small{font-size:11px;font-weight:900;color:var(--red)}.closing-band{margin-top:25px;background:var(--graphite);border-left:5px solid var(--red);color:white;padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:18px}.closing-band h2{font-size:23px;margin:4px 0}.closing-band p{color:#b8c5d4;margin:0}.primary-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;min-height:43px;gap:7px;border-radius:4px;padding:10px 18px;font-size:13px;line-height:1.4;font-weight:850;white-space:nowrap;border:1px solid transparent}.primary-btn{color:white;background:var(--red);border-color:var(--red)}.primary-btn:hover{color:white;background:#bb1e31}.secondary-btn{background:white;border-color:#c3cbd5;color:var(--ink)}.secondary-btn:hover{border-color:var(--red);color:var(--red)}
/* Community listing and topic articles */
.community-page{padding:17px 0 36px}.crumb{display:flex;flex-wrap:wrap;gap:9px;align-items:center;min-height:24px;font-size:11px;color:#788697;margin-bottom:14px}.crumb a{color:#4f5e70}.crumb a:hover{color:var(--red)}.crumb>span:last-child{overflow:hidden;max-width:min(600px,70vw);text-overflow:ellipsis;white-space:nowrap}.community-hero{background:var(--graphite);border-left:5px solid var(--red);padding:26px 27px;display:flex;justify-content:space-between;align-items:center;gap:25px;color:white;margin-bottom:19px}.community-hero h1{margin:6px 0 9px}.community-hero p{margin:0;color:#bac6d4;font-weight:550;max-width:650px}.community-main{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(280px,.8fr);gap:15px;align-items:start}.discussion-list{display:grid;gap:10px}.discussion-row{display:grid;grid-template-columns:32px minmax(0,1fr);gap:13px;padding:15px 17px}.discussion-index{font:900 23px/1.2 ui-monospace,SFMono-Regular,Consolas,monospace;color:#cbd2db}.row-tags{display:flex;gap:8px;align-items:center;margin-bottom:7px}.discussion-row h3{font-size:17px;margin-bottom:8px}.discussion-row p{color:#627287;font-size:13px;line-height:1.7;margin-bottom:9px}.discussion-row .text-link{font-size:11px}.community-sidebar{display:grid;gap:13px}.aside-box{padding:15px 16px}.aside-box h2{border-bottom:1px solid var(--line);font-size:17px;padding-bottom:10px;margin:0 0 9px}.aside-box>a{display:flex;flex-direction:column;gap:3px;padding:12px 0;border-bottom:1px solid #e9edf3}.aside-box>a:last-child{border-bottom:0;padding-bottom:0}.aside-box>a strong{font-size:13px;font-weight:800}.aside-box>a small{font-size:11px;color:#718095;line-height:1.55}.aside-box p{font-size:12px;color:#637187;margin:0}.info-box{border-top:3px solid var(--green)}.submit-panel{margin-top:22px;display:grid;grid-template-columns:minmax(240px,.7fr) minmax(0,1.25fr);gap:28px;padding:24px;scroll-margin-top:20px}.submit-intro{padding-right:12px}.submit-intro h2{font-size:25px;margin:6px 0 12px}.submit-intro p{color:#596c80}.submit-intro ul{padding-left:20px;color:#627386;font-size:12px;line-height:1.9}.tip-form{display:grid;gap:13px}.field{display:flex;flex-direction:column;gap:5px}.field label{font-weight:800;font-size:12px}.field label span{color:var(--red)}.field input,.field select,.field textarea{border:1px solid #cdd6e1;border-radius:4px;outline:none;background:#fff;padding:10px 12px;color:#1f2c3d;width:100%;font-size:13px;transition:border-color .15s,box-shadow .15s}.field textarea{resize:vertical;min-height:126px}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--red);box-shadow:0 0 0 3px #fce8eb}.field input::placeholder,.field textarea::placeholder{color:#9ba7b6}.field small{font-size:11px;color:#7a8797}.tip-form .primary-btn{justify-self:start}.form-note{font-size:11px;color:#66768a;margin:0}.honeypot{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important;opacity:0!important;pointer-events:none!important}
.topic-layout{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(265px,.7fr);gap:16px;align-items:start}.topic-article{padding:24px 27px 25px}.topic-kicker{display:flex;align-items:center;gap:10px;color:#728095;font-size:11px;margin-bottom:13px}.topic-article h1{font-size:clamp(22px,2.6vw,33px);margin-bottom:12px}.article-deck{font-size:15px;line-height:1.85;color:#52657b;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:23px}.topic-article h2{font-size:19px;margin:20px 0 10px;padding-left:10px;border-left:4px solid var(--red)}.topic-article>p:not(.article-deck){font-size:15px;line-height:2;color:#344458}.topic-cover{margin:0 0 20px}.topic-cover img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:3px}.topic-cover figcaption{font-size:11px;color:#8895a3;padding-top:6px}.check-list{padding:0;list-style:none;counter-reset:questions;display:grid;gap:9px}.check-list li{counter-increment:questions;position:relative;padding:11px 14px 11px 40px;background:#f5f7fa;border:1px solid #e4e8ee;font-size:13px;font-weight:650}.check-list li:before{content:counter(questions,decimal-leading-zero);position:absolute;left:12px;top:11px;color:var(--red);font:900 13px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace}.article-caution{padding:13px 14px;background:#fff8ed;border:1px solid #f3dfb9;color:#70522b;font-size:12px;line-height:1.8;margin-top:20px}.topic-end{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid var(--line);margin-top:21px;padding-top:15px;font-size:12px;font-weight:850;color:var(--red)}.topic-side{padding:14px 16px}.topic-side h2{margin:0 0 8px;font-size:18px}.topic-side>p{color:#69788b;font-size:12px;line-height:1.75;padding-bottom:10px;border-bottom:1px solid var(--line)}.topic-side>a{display:block;padding:12px 0;border-bottom:1px solid #edf0f4}.topic-side>a:last-child{border:0}.topic-side>a span{display:block;color:var(--red);font-size:11px;margin-bottom:4px;font-weight:800}.topic-side>a strong{font-size:13px;line-height:1.6;display:block}.result-page{min-height:59vh;padding-top:70px;padding-bottom:80px}.result-card{margin:auto;max-width:640px;padding:35px 38px}.result-card h1{margin:5px 0 13px}.result-card p{color:#657589;line-height:1.85}.result-card ul{margin-bottom:20px;color:#a42d3c}.result-card .primary-btn{margin-top:12px}.result-actions{display:flex;gap:10px;flex-wrap:wrap}
/* Footer: informative, no invented certification marks */
.site-footer{background:var(--deep);color:#d4dbe5;border-top:3px solid var(--red);padding:29px 0 22px}.footer-grid{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(160px,.65fr) minmax(230px,1.1fr);gap:44px}.foot-brand{font-size:28px;font-weight:950;color:white;line-height:1;letter-spacing:-.08em}.foot-brand span{color:#ff485d}.foot-brand small{font-size:11px;letter-spacing:0;color:#aebdcb;font-weight:600;margin-left:8px}.site-footer p{font-size:12px;color:#aab8c7;line-height:1.85}.site-footer .smallprint{font-size:11px;color:#8595a7;margin-top:13px}.site-footer h2{font-size:14px;color:#fff;border-bottom:1px solid #354251;padding-bottom:9px;margin-bottom:12px}.site-footer a{display:block;color:#b8c5d2;font-size:12px;margin-bottom:9px}.site-footer a:hover{color:#fff}
/* Responsive adjustment preserves hierarchy and server-rendered anchor links */
@media(max-width:1080px){.mast-grid{grid-template-columns:minmax(0,1.35fr) minmax(290px,1fr)}.ranking-list li{padding:9px 3px;min-height:48px}.ranking-list li a{font-size:12px}.prompt-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.prompt-card{min-height:146px}.footer-grid{gap:24px}.header-label{display:none}.top-nav{margin-left:auto}}
@media(max-width:820px){.mast-grid,.community-main,.topic-layout{grid-template-columns:minmax(0,1fr)}.ranking-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:12px}.ranking-list li:nth-child(9),.ranking-list li:nth-child(10){border-bottom:0}.focus-column{min-width:0}.lead-image{aspect-ratio:16/7.6}.community-sidebar{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-side{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:15px}.topic-side h2,.topic-side>p{grid-column:1/-1}.footer-grid{grid-template-columns:1.4fr 1fr;gap:18px 26px}.footer-grid>div:last-child{grid-column:1/-1}.submit-panel{grid-template-columns:1fr;gap:15px}.submit-intro ul{columns:2}.intro-bar{align-items:start}.community-shortcut{min-width:210px}.story-visual{aspect-ratio:16/9}}
@media(max-width:600px){.wrap{width:calc(100% - 24px)}.header-inner{min-height:58px;gap:7px}.brand img{width:29px;height:29px}.brand>span{font-size:23px}.brand small{display:none}.top-nav{gap:0;margin-left:auto}.top-nav a{font-size:11px;padding:0 9px;white-space:nowrap}.top-nav .nav-action{margin-left:3px}.homepage,.community-page{padding-top:11px}.intro-bar{display:block;padding:6px 0 15px}.intro-bar h1{margin:4px 0 8px;font-size:24px}.intro-bar p{font-size:12px;line-height:1.7}.community-shortcut{margin-top:13px;width:100%;padding:9px 11px}.shortcut-symbol{height:32px;width:32px}.community-shortcut strong{font-size:14px}.mast-grid{gap:12px}.section-heading{align-items:center}.section-heading h2{font-size:17px;margin-bottom:8px}.section-note{font-size:10px}.lead-image{aspect-ratio:16/9}.lead-body{padding:13px}.lead-body h3{font-size:21px}.lead-body p{font-size:12px}.headline-strip{padding:10px;gap:7px}.headline-strip>a{font-size:12px}.headline-strip>strong{font-size:10px}.ranking-header{padding:11px 13px}.ranking-header h2{font-size:17px}.ranking-list{display:block;padding:0 11px}.ranking-list li:nth-child(9){border-bottom:1px solid #e9edf2}.ranking-list li a{font-size:13px}.feed-section,.community-preview{margin-top:19px}.feed-grid{grid-template-columns:1fr;gap:10px}.story{padding:13px}.story-visual{aspect-ratio:16/7.5}.story h3{font-size:16px}.prompt-grid{grid-template-columns:1fr;gap:9px}.prompt-card{min-height:0;padding:12px}.prompt-card>span:not(.prompt-no){font-size:12px}.closing-band{display:block;padding:17px;margin-top:18px}.closing-band h2{font-size:20px}.closing-band p{font-size:12px}.closing-band .primary-btn{margin-top:15px;width:100%}.community-hero{display:block;padding:19px}.community-hero h1{font-size:26px}.community-hero p{font-size:12px;margin-bottom:16px}.community-hero .primary-btn{width:100%}.discussion-row{grid-template-columns:27px minmax(0,1fr);gap:9px;padding:13px 11px}.discussion-index{font-size:19px}.discussion-row h3{font-size:15px}.discussion-row p{font-size:12px}.community-sidebar{grid-template-columns:1fr}.submit-panel{padding:17px;gap:7px}.submit-intro h2{font-size:21px}.submit-intro ul{columns:1}.topic-article{padding:16px 15px}.topic-article h1{font-size:23px}.article-deck{font-size:13px;padding-bottom:14px;margin-bottom:16px}.topic-article h2{font-size:17px}.topic-article>p:not(.article-deck){font-size:13px}.topic-side{display:block}.topic-end{display:grid}.result-page{padding-top:25px;padding-bottom:40px}.result-card{padding:21px}.result-card h1{font-size:23px}.footer-grid{display:block}.footer-grid>div{margin-bottom:22px}.foot-brand{font-size:25px}.site-footer{padding-top:23px}.crumb{font-size:10px}}
@media(max-width:380px){.top-nav a{padding:0 6px;font-size:10px}.brand img{width:25px;height:25px}.brand>span{font-size:20px}.top-nav .nav-action{margin-left:0}.section-note{display:none}.lead-body h3{font-size:18px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{body{background:#fff;font-size:12px}.site-header,.top-nav,.community-shortcut,.primary-btn,.submit-panel,.site-footer{display:none!important}.wrap{max-width:100%;width:100%}.mast-grid,.topic-layout,.community-main{display:block}.card{box-shadow:none;break-inside:avoid}.ranking,.topic-side,.community-sidebar{margin-top:16px}.lead-image{max-height:200px}.feed-grid{grid-template-columns:1fr 1fr}.story-visual{display:none}}