@font-face{font-family:FieldSystem;src:local('Arial');font-display:swap}
:root{--bg:#111411;--surface:#1b201b;--ink:#efefe6;--muted:#a3ada2;--line:#353e35;--accent:#e2fa64;--header:84px;color-scheme:dark;font-family:Arial,'PingFang SC','Microsoft YaHei',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink)}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,select,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.4;cursor:default}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}img{max-width:100%;display:block}h1,h2,h3,p{margin-top:0}p{line-height:1.7}h1,h2,h3{letter-spacing:-.035em}h2{font-size:clamp(30px,4vw,52px);line-height:1.13;font-weight:800}h3{font-size:22px}::selection{background:var(--accent);color:var(--bg)}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:fixed;top:10px;left:10px;background:var(--accent);color:#111;z-index:100;padding:12px;transform:translateY(-180%)}.skip:focus{transform:none}
.site-header{height:var(--header);display:flex;align-items:center;justify-content:space-between;gap:28px;padding:0 4.5vw;background:#111411f5;border-bottom:1px solid #ffffff12;position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.wordmark{font-weight:900;font-style:italic;font-size:32px;line-height:.82;letter-spacing:-2px}.wordmark span{display:block;font-size:10px;letter-spacing:2px;font-style:normal;font-weight:600;margin-top:7px}.site-header nav{display:flex;gap:30px;margin-left:auto;font-size:14px;font-weight:600}.site-header nav a{padding:10px 0;position:relative}.site-header nav a:after{content:'';position:absolute;bottom:3px;left:0;width:100%;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .18s}.site-header nav a:hover:after{transform:scaleX(1)}.lang-picker{margin-left:10px}.lang-picker select{width:130px;border:1px solid var(--line);background:transparent;color:var(--ink);padding:10px;border-radius:0;font-size:13px}.lang-picker option{background:var(--bg)}
.hero{position:relative;min-height:min(740px,calc(100svh - var(--header)));overflow:hidden;width:100%;isolation:isolate}.hero-photo{width:100%;height:100%;object-fit:cover;object-position:65% 50%;position:absolute;inset:0;z-index:-3}.hero-shade{position:absolute;inset:0;z-index:-2;background:linear-gradient(90deg,rgba(8,16,10,.94) 0%,rgba(8,16,10,.68) 37%,rgba(8,16,10,.05) 77%),linear-gradient(0deg,#111411 0%,transparent 32%)}.hero-copy{padding:55px 7vw 90px;max-width:780px;animation:enter .65s both}.eyebrow{font-family:monospace;font-weight:600;font-size:11px;letter-spacing:.15em;color:var(--muted);text-transform:uppercase;line-height:1.5}.hero .eyebrow{color:var(--accent);margin-bottom:18px}.hero-brand{font-weight:900;line-height:.88;font-size:clamp(88px,12vw,180px);font-style:italic;letter-spacing:-.075em;margin-left:-8px;margin-bottom:28px}.hero-brand span{color:var(--accent);margin-left:5px}.hero h1{font-size:clamp(30px,3.4vw,48px);line-height:1.17;margin-bottom:15px;font-weight:800}.hero-intro{max-width:460px;font-size:17px;color:#d4dbd0;margin-bottom:30px}.hero-actions{display:flex;gap:28px;align-items:center}.button{display:inline-flex;gap:28px;justify-content:space-between;align-items:center;font-weight:700;padding:17px 23px;min-height:52px;border:0;border-radius:0;transition:transform .18s,background .18s}.primary{color:#151a10;background:var(--accent)}.primary:hover{background:#eeff9c;transform:translateY(-2px)}.light{background:var(--ink);color:var(--bg)}.light:hover{transform:translateY(-2px)}.text-link{font-size:14px;border-bottom:1px solid #ffffff60;padding-bottom:7px;font-weight:600;display:inline-block}.text-link:hover{color:var(--accent);border-color:var(--accent)}.hero-caption{position:absolute;bottom:28px;left:7vw;right:7vw;display:flex;justify-content:space-between;font-family:monospace;font-size:10px;letter-spacing:.14em;color:#b0bbaa}
.section{max-width:1240px;margin:auto;padding:80px 34px}.intro-section{display:grid;grid-template-columns:1fr 1fr;gap:110px}.intro-section p{color:var(--muted);max-width:420px}.intro-section h3{margin-top:22px;font-size:15px;color:var(--muted);font-weight:400}.key-strip{display:grid;grid-template-columns:1fr 1fr;gap:0 30px}.key-strip>div{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:18px 0;gap:18px}.key-strip span{font-size:13px;color:var(--muted)}kbd{font-family:monospace;white-space:nowrap;font-size:14px;color:var(--ink);font-weight:600}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:70px;margin-bottom:20px}.section-heading p:last-child{max-width:340px;color:var(--muted);font-size:14px}.section-heading h2{margin-bottom:0}.guide-section{padding-top:40px}.guide-row{display:flex;align-items:center;gap:30px;padding:29px 0;border-bottom:1px solid var(--line);transition:padding .22s,background .22s}.guide-row:first-of-type{border-top:1px solid var(--line)}.guide-no{align-self:start;padding-top:6px;font:11px monospace;color:var(--muted)}.guide-row h3{margin-bottom:8px;font-size:clamp(20px,2vw,27px);font-weight:600}.guide-row p{color:var(--muted);font-size:14px;margin-bottom:0}.guide-arrow{margin-left:auto;font-size:32px;color:var(--accent);transition:transform .22s}.guide-row:hover{padding-left:10px}.guide-row:hover .guide-arrow{transform:translate(3px,-3px)}.faq-section{display:grid;grid-template-columns:.9fr 1.3fr;gap:100px;border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;padding:22px 0;gap:20px;font-weight:600;line-height:1.5}summary::-webkit-details-marker{display:none}summary span{color:var(--accent);font-size:20px}details[open] summary span{transform:rotate(45deg)}details p{color:var(--muted);font-size:15px;padding-right:24px}.credits-section{background:#e7eadc;color:#111411}.credits-section p:not(.eyebrow){max-width:590px;margin-bottom:30px}.credits-section .eyebrow{color:#616c57}.credits-section .light{background:#111411;color:#efefe6}.credits-section .section{padding-top:74px;padding-bottom:74px}.credits-section h2{max-width:760px}.site-footer{max-width:1240px;margin:auto;padding:55px 34px;display:grid;grid-template-columns:180px 1fr auto;gap:50px;align-items:start}.site-footer p{font-size:12px;color:var(--muted);max-width:550px;margin:0}.site-footer>div{display:flex;flex-direction:column;gap:12px;font-size:12px;color:var(--muted)}.site-footer a:hover{color:var(--accent)}
.page-heading{padding-bottom:35px}.page-heading h1,.play-heading h1{font-size:clamp(42px,6vw,75px);line-height:1.05;max-width:850px;margin-bottom:20px}.page-heading>p:not(.eyebrow){color:var(--muted);font-size:18px;max-width:620px}.search-label{display:block;max-width:650px;margin-top:35px}.search-label input{background:var(--surface);border:1px solid var(--line);padding:18px 20px;width:100%;color:var(--ink);font-size:16px;border-radius:0}.search-label input::placeholder{color:var(--muted)}#no-results{padding:35px 0;color:var(--muted)}
.play-heading{padding-top:55px;padding-bottom:26px}.play-heading h1{font-size:clamp(35px,4vw,55px);margin-bottom:12px}.play-heading p{color:var(--muted);margin-bottom:0}.player-layout{display:grid;grid-template-columns:minmax(0,1fr) 255px;gap:34px;padding-top:0;padding-bottom:35px;max-width:1450px}.play-shell{border:1px solid var(--line);background:#050705}.game-screen{position:relative;width:100%;height:min(600px,calc(100svh - 170px));min-height:360px;background:#050705;overflow:hidden}.game-poster{height:100%;position:relative}.game-poster img{width:100%;height:100%;object-fit:cover;filter:brightness(.45)}.game-poster>div{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);text-align:center;padding:24px}.game-poster .eyebrow{color:#fff;margin-bottom:24px}.game-poster p:last-child{font-size:12px;color:#dbe2d6;margin:22px auto 0;max-width:320px}.game-screen iframe{display:block;width:100%;height:100%;border:0;position:absolute;inset:0;background:#000}.game-toolbar{display:flex;justify-content:space-between;gap:15px;align-items:center;padding:12px 16px;min-height:64px}.game-toolbar p{margin:0;font-size:11px;color:var(--muted)}.game-toolbar>div{display:flex;flex-shrink:0;gap:8px}.game-toolbar button{border:1px solid var(--line);background:transparent;padding:8px;color:var(--ink);font-size:11px}.game-toolbar button:hover:not(:disabled){border-color:var(--accent)}.game-screen:fullscreen{height:100vh;width:100vw}.play-controls{padding-top:22px}.play-controls h2{font-size:22px;margin-bottom:18px}.play-controls .key-strip{display:block}.play-controls .key-strip>div{padding:16px 0}.play-controls>p{font-size:12px;color:var(--muted);margin-top:28px}.play-controls>a{display:block;color:var(--accent);font-size:13px;padding:10px 0}.play-note{padding-top:10px;border-top:1px solid var(--line)}.play-note p{color:var(--muted)}
.ad-zone{max-width:1172px;margin:24px auto;min-height:90px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:6px;overflow:hidden}.ad-zone>span{font:10px monospace;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}.ad-zone iframe{border:0;max-width:100%;display:block}.ad-zone.preview{background:#1d241a;border:1px dashed #495240;min-height:108px}.ad-zone.preview p{font:12px monospace;color:#adb997;margin:5px 0}.article .ad-zone{margin:35px 0}
.article{max-width:860px;padding-top:45px}.breadcrumb{font-size:12px;color:var(--muted);display:flex;gap:12px}.breadcrumb a:hover{color:var(--accent)}.article-header{padding:50px 0 25px}.article h1{font-size:clamp(36px,4.8vw,62px);line-height:1.1;margin-bottom:22px}.article-lead{font-size:19px;color:#c4cebd;max-width:680px}.byline{font:11px monospace;color:var(--muted);line-height:1.7}.contents{border-top:1px solid var(--line);margin-bottom:44px}.contents a{display:block;font-size:14px;color:var(--muted);padding:9px 0}.contents a:last-child{padding-bottom:23px}.article section{margin-bottom:44px;scroll-margin-top:110px}.article section h2{font-size:28px;line-height:1.25;margin-bottom:19px}.article section p{font-size:17px;line-height:1.85;color:#c5cebf}.article-sources{border-top:1px solid var(--line);padding-top:30px}.article .article-sources h2{font-size:20px}.article .article-sources p,.article-sources li{font-size:13px!important;color:var(--muted)}.article-sources ul{padding-left:18px}.article-sources li{padding:6px 0;line-height:1.6}.article-sources a{color:var(--accent)}.related{border-top:1px solid var(--line);padding-top:30px}.related>a:not(.button){display:block;padding:13px 0;border-bottom:1px solid var(--line);font-size:15px}.related .button{margin-top:28px}.related>a:hover{color:var(--accent)}.related .primary:hover{color:#111}.reveal{animation:enter .65s both}@supports(animation-timeline:view()){.reveal{animation-timeline:view();animation-range:entry 0% entry 18%}}@keyframes enter{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@media(max-width:960px){.site-header{gap:18px;padding:0 28px}.site-header nav{gap:18px;font-size:12px}.hero-copy{padding-top:55px}.hero-brand{font-size:126px}.intro-section{gap:50px}.faq-section{gap:50px}.site-footer{grid-template-columns:140px 1fr;gap:30px}.site-footer>div{grid-column:2}.player-layout{grid-template-columns:minmax(0,1fr)}.game-screen{height:56vw;max-height:620px;min-height:360px}.play-controls{display:grid;grid-template-columns:1fr 1fr;gap:0 30px;padding-top:0}.play-controls .key-strip{grid-row:1/5;grid-column:2}.play-controls h2{margin-top:12px}.play-controls>p{margin-top:0;max-width:330px}}
@media(max-width:640px){:root{--header:74px}.site-header{padding:0 20px;gap:12px}.site-header .wordmark{font-size:27px}.site-header .wordmark span{font-size:8px}.site-header nav{gap:16px}.site-header nav a:nth-child(3),.site-header nav a:nth-child(4){display:none}.lang-picker{margin-left:0}.lang-picker select{width:92px;padding:9px 6px;font-size:11px}.hero{min-height:610px;min-height:calc(100svh - var(--header));max-height:740px}.hero-copy{padding:40px 25px 100px;max-width:100%}.hero-photo{object-position:58% 50%}.hero-shade{background:linear-gradient(90deg,#08100aeb,#08100a55),linear-gradient(0deg,#111411,transparent 65%)}.hero-brand{font-size:clamp(72px,23vw,102px);margin-left:-5px;margin-bottom:30px}.hero h1{font-size:33px}.hero-intro{font-size:15px;max-width:280px}.hero .eyebrow{font-size:9px;letter-spacing:.1em}.hero-actions{gap:20px;flex-wrap:wrap}.hero-actions .button{font-size:14px;padding:16px 20px;gap:20px}.hero-actions .text-link{font-size:12px}.hero-caption{left:25px;right:25px;font-size:8px;gap:20px;line-height:1.6}.section{padding:52px 22px}.intro-section{display:block}.intro-section>div:last-child{margin-top:36px}.intro-section h3{margin-top:0}.key-strip{gap:0 24px}.key-strip>div{gap:12px}.key-strip span{font-size:11px}.key-strip kbd{font-size:12px}.section-heading{display:block;margin-bottom:24px}.section-heading p:last-child{margin-top:20px}.guide-section{padding-top:25px}.guide-row{gap:18px;padding:26px 0}.guide-row h3{font-size:21px;line-height:1.3}.guide-row p{font-size:12px;line-height:1.6}.guide-arrow{font-size:26px}.guide-no{font-size:10px}.faq-section{display:block}.faq-section h2{margin-bottom:20px}summary{font-size:14px}details p{font-size:14px}.credits-section .section{padding:55px 22px}.credits-section p:not(.eyebrow){font-size:14px}.site-footer{padding:42px 22px;display:block}.site-footer p{margin:28px 0}.site-footer>div{flex-direction:row;flex-wrap:wrap;gap:20px}.page-heading h1{font-size:48px}.page-heading>p:not(.eyebrow){font-size:15px}.play-heading{padding-bottom:25px}.player-layout{padding-top:0}.game-screen{min-height:360px;height:67vw}.game-toolbar{display:block;padding:12px}.game-toolbar>div{margin-top:12px}.game-toolbar p{font-size:10px}.play-controls{display:block}.play-controls .key-strip{display:grid}.play-controls>p{margin-top:22px}.play-note{padding-top:30px}.article{padding-top:28px}.article-header{padding-top:35px}.article h1{font-size:36px}.article-lead{font-size:17px}.article section h2{font-size:25px}.article section p{font-size:16px;line-height:1.85}.article .ad-zone{margin-left:0;margin-right:0}.ad-zone{margin:20px 22px}.play-shell .ad-zone{margin:15px 0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.hero-copy,.reveal{animation:none}*,*:before,*:after{transition:none!important}}

/* Native advertisements reserve space and can expand without fixed iframe clipping. */
.ad-zone{min-height:180px;padding:16px 24px;box-sizing:border-box;contain:layout}.ad-zone .native-ad{width:100%;max-width:100%;min-width:0}.player-layout>div>.ad-zone{margin:24px 0;padding:16px 0}.ad-zone[hidden]{display:none}@media(max-width:640px){.ad-zone{min-height:140px;padding:12px 0}}