:root{color-scheme:dark;font-synthesis:none;--yb-bg:#1a1209;--yb-surface:#2a1d10;--yb-raised:#3a2818;--yb-yellow:#ffb03a;--yb-yellow-soft:#e0a34f;--yb-ink:#f7f2ea;--yb-sub:#c4b6a4;--yb-muted:#93836f;--yb-line:#3b3128;--yb-line-strong:#c47a2a;--yb-on-yellow:#1a1209}
html{scroll-behavior:smooth;background:var(--yb-bg)}
body{margin:0;background:var(--yb-bg)}
.yb-page,.yb-page *,.yb-page *:before,.yb-page *:after{box-sizing:border-box}
.yb-page{--yb-font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;min-width:0;overflow:clip;background:linear-gradient(90deg,transparent calc(50% - .5px),var(--yb-line) calc(50% - .5px),var(--yb-line) calc(50% + .5px),transparent calc(50% + .5px)),var(--yb-bg);color:var(--yb-ink);font-family:var(--yb-font-body);font-size:1rem;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.yb-page a{color:inherit;text-decoration:none}
.yb-page img{max-width:100%}
.yb-page button,.yb-page a,.yb-page summary{-webkit-tap-highlight-color:transparent}
.yb-page a:focus-visible,.yb-page summary:focus-visible{outline:3px solid var(--yb-yellow);outline-offset:4px}
.yb-shell{width:min(100% - 32px,1240px);margin-inline:auto}
.yb-num,.yb-kicker,.yb-page small{font-variant-numeric:tabular-nums}
.yb-kicker{margin:0 0 16px;color:var(--yb-yellow);font-size:.84rem;font-weight:700;letter-spacing:.18em;line-height:1.2;text-transform:uppercase}
.yb-skip{position:fixed;top:12px;left:12px;z-index:999;transform:translateY(-160%);padding:10px 14px;background:var(--yb-yellow);color:var(--yb-on-yellow)!important;font-weight:800;transition:transform .18s ease}
.yb-skip:focus{transform:translateY(0)}
.yb-header{position:sticky;top:0;z-index:80;border-bottom:1px solid var(--yb-line);background:var(--yb-bg)}
.yb-announcement{display:flex;align-items:center;justify-content:center;gap:12px;min-height:28px;padding:4px 16px;background:var(--yb-yellow);color:var(--yb-on-yellow);font-size:.72rem;font-weight:800;letter-spacing:.16em;line-height:1.2}
.yb-announcement span{width:26px;height:1px;background:currentColor}
.yb-header-row{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"brand cta" "left left" "right right";align-items:center;min-height:68px}
.yb-brand{grid-area:brand;display:inline-flex;align-items:center;gap:10px;min-height:48px;width:fit-content}
.yb-brand img{display:block;width:36px;height:36px;object-fit:cover;border-radius:8px}
.yb-brand span{display:flex;min-width:0;flex-direction:column;line-height:1.1}
.yb-brand strong{font-size:1rem;font-weight:900;letter-spacing:-.02em}
.yb-brand small{margin-top:5px;color:var(--yb-muted);font-size:.58rem;font-weight:600;letter-spacing:.09em;white-space:nowrap}
.yb-nav{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}
.yb-nav::-webkit-scrollbar{display:none}
.yb-nav-left{grid-area:left}
.yb-nav-right{grid-area:right;border-top:1px solid var(--yb-line)}
.yb-nav a{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 12px;color:var(--yb-sub);font-size:.82rem;font-weight:700;white-space:nowrap}
.yb-nav a:after{content:"";position:absolute;right:12px;bottom:7px;left:12px;height:2px;transform:scaleX(0);transform-origin:left;background:var(--yb-yellow);transition:transform .22s ease}
.yb-header-cta{grid-area:cta;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 14px;clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);background:var(--yb-yellow);color:var(--yb-on-yellow)!important;font-size:.82rem;font-weight:900}
.yb-header-cta span,.yb-btn span,.yb-text-link span{display:inline-block;transition:transform .22s ease}
.yb-hero{position:relative;isolation:isolate;padding:60px 0 68px;border-bottom:1px solid var(--yb-line)}
.yb-hero:before,.yb-hero:after{content:"";position:absolute;z-index:-1;pointer-events:none}
.yb-hero:before{inset:0;background:linear-gradient(120deg,transparent 0 24%,var(--yb-raised) 24% 24.12%,transparent 24.12% 75%,var(--yb-raised) 75% 75.12%,transparent 75.12%),repeating-linear-gradient(0deg,transparent 0 47px,var(--yb-surface) 47px 48px)}
.yb-hero:after{top:32px;left:50%;width:min(86vw,680px);height:min(86vw,680px);transform:translate(-50%) rotate(45deg);border:1px solid var(--yb-line)}
.yb-hero-grid{display:grid;grid-template-areas:"copy" "left" "right";gap:28px;align-items:center}
.yb-hero-copy{grid-area:copy;position:relative;z-index:2;max-width:700px;margin-inline:auto;text-align:center}
.yb-hero-copy h1{margin:0;font-size:clamp(2.9rem,13vw,6.4rem);font-weight:900;letter-spacing:-.06em;line-height:.92}
.yb-hero-copy h1 span,.yb-hero-copy h1 b{display:block}
.yb-hero-copy h1 b{margin-top:16px;color:var(--yb-yellow);font-size:.36em;font-weight:900;letter-spacing:-.02em;line-height:1.15}
.yb-fork-mark{display:grid;grid-template-columns:1fr 12px 1fr;align-items:end;width:124px;height:30px;margin:30px auto 24px}
.yb-fork-mark span{height:1px;background:var(--yb-line-strong)}
.yb-fork-mark span:first-child{transform:rotate(15deg);transform-origin:right}
.yb-fork-mark span:last-child{transform:rotate(-15deg);transform-origin:left}
.yb-fork-mark i{width:10px;height:10px;margin-bottom:-4px;transform:rotate(45deg);background:var(--yb-yellow)}
.yb-hero-lead{max-width:58ch;margin:0 auto;color:var(--yb-sub);font-size:1rem;line-height:1.9}
.yb-actions{display:flex;flex-direction:column;gap:12px;margin:28px auto 0}
.yb-btn{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;min-height:50px;padding:0 20px;clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);font-size:.9rem;font-weight:900;transition:transform .18s ease,background-color .18s ease,color .18s ease}
.yb-btn-solid{background:var(--yb-yellow);color:var(--yb-on-yellow)!important}
.yb-btn-outline{box-shadow:inset 0 0 0 1px var(--yb-line-strong);background:var(--yb-bg);color:var(--yb-ink)}
.yb-hero-note{display:inline-flex;align-items:center;gap:9px;margin:18px 0 0;color:var(--yb-muted);font-size:.78rem}
.yb-hero-note span{width:7px;height:7px;background:var(--yb-yellow)}
.yb-hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;max-width:480px;margin:30px auto 0;padding:1px;background:var(--yb-line);list-style:none}
.yb-hero-stats li{display:flex;min-width:0;flex-direction:column;padding:10px 4px 12px;background:var(--yb-bg)}
.yb-hero-stats b{color:var(--yb-yellow);font-size:1.3rem;line-height:1.1}
.yb-hero-stats span{margin-top:5px;color:var(--yb-muted);font-size:.66rem}
.yb-poster-rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(130px,42vw);gap:12px;overflow-x:auto;padding:0 2px 8px;scroll-snap-type:x mandatory;scrollbar-width:none}
.yb-poster-rail::-webkit-scrollbar{display:none}
.yb-poster-rail-left{grid-area:left}
.yb-poster-rail-right{grid-area:right}
.yb-rail-poster{position:relative;margin:0;overflow:hidden;clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);background:var(--yb-raised);scroll-snap-align:start}
.yb-rail-poster img{display:block;width:100%;aspect-ratio:3 / 4;object-fit:cover}
.yb-rail-poster figcaption{position:absolute;right:0;bottom:0;left:0;padding:36px 10px 9px;background:linear-gradient(transparent,var(--yb-bg));font-size:.72rem;font-weight:700;line-height:1.35}
.yb-section{position:relative;padding:70px 0;border-bottom:1px solid var(--yb-line);scroll-margin-top:136px}
.yb-section-head{display:grid;gap:16px;margin-bottom:34px}
.yb-section-head h2,.yb-entry h2,.yb-about h2,.yb-download h2{max-width:18ch;margin:0;font-size:clamp(1.9rem,7.5vw,4rem);font-weight:900;letter-spacing:-.05em;line-height:1.08}
.yb-section-head>p{max-width:50ch;margin:0;color:var(--yb-muted);font-size:.93rem;line-height:1.85}
.yb-hot-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.yb-poster-card{position:relative;min-width:0;overflow:hidden;clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);background:var(--yb-raised)}
.yb-poster-card img{display:block;width:100%;aspect-ratio:3 / 4;object-fit:cover;transition:transform .42s ease,opacity .22s ease}
.yb-poster-card:after{content:"";position:absolute;inset:34% 0 0;background:linear-gradient(transparent,var(--yb-bg) 92%);pointer-events:none}
.yb-rank{position:absolute;top:0;left:0;z-index:2;display:grid;place-items:center;width:42px;height:42px;background:var(--yb-yellow);color:var(--yb-on-yellow);font-size:1.05rem;font-weight:800}
.yb-poster-info{position:absolute;right:0;bottom:0;left:0;z-index:2;padding:28px 12px 13px}
.yb-poster-info>span{color:var(--yb-yellow);font-size:.68rem;font-weight:700}
.yb-poster-info h3{margin:3px 0 2px;font-size:.9rem;font-weight:900;line-height:1.35}
.yb-poster-info p{margin:0;color:var(--yb-sub);font-size:.7rem}
.yb-forks{background:var(--yb-surface)}
.yb-fork-list{display:grid;gap:1px;background:var(--yb-line);border:1px solid var(--yb-line)}
.yb-fork-row{display:grid;gap:22px;padding:22px;background:var(--yb-bg)}
.yb-fork-copy{align-self:center}
.yb-fork-label{display:inline-flex;padding:4px 8px;background:var(--yb-yellow);color:var(--yb-on-yellow);font-size:.74rem;font-weight:800;letter-spacing:.08em}
.yb-fork-copy h3{margin:14px 0 8px;font-size:clamp(1.25rem,5vw,2rem);font-weight:900;line-height:1.25}
.yb-fork-copy p{margin:0;color:var(--yb-yellow);font-size:.9rem;font-weight:700}
.yb-fork-covers{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:10px}
.yb-fork-covers figure{position:relative;margin:0;overflow:hidden;clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px)}
.yb-fork-covers img{display:block;width:100%;aspect-ratio:3 / 4;object-fit:cover;filter:saturate(.65)}
.yb-fork-covers .is-new img{filter:saturate(1)}
.yb-fork-covers figcaption{position:absolute;right:0;bottom:0;left:0;padding:20px 8px 7px;background:linear-gradient(transparent,var(--yb-bg));font-size:.7rem;font-weight:700;text-align:center}
.yb-fork-covers .is-new figcaption{background:var(--yb-yellow);color:var(--yb-on-yellow)}
.yb-route-arrow{color:var(--yb-yellow);font-size:1.6rem;font-weight:800}
.yb-process{display:grid;gap:1px;margin:0 0 28px;padding:1px;background:var(--yb-line);list-style:none}
.yb-process li{display:grid;grid-template-columns:54px 1fr;gap:14px;align-items:start;padding:18px;background:var(--yb-surface)}
.yb-process li>b{color:var(--yb-yellow);font-size:2rem;line-height:1}
.yb-process h3{margin:0 0 5px;font-size:1rem;font-weight:900}
.yb-process p{margin:0;color:var(--yb-muted);font-size:.82rem;line-height:1.7}
.yb-ai-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.yb-ai-card{position:relative;overflow:hidden;clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);background:var(--yb-surface)}
.yb-ai-card>img{display:block;width:100%;aspect-ratio:3 / 4;object-fit:cover}
.yb-ai-card>div{position:absolute;right:0;bottom:0;left:0;padding:44px 12px 13px;background:linear-gradient(transparent,var(--yb-bg) 70%)}
.yb-ai-card span{color:var(--yb-yellow);font-size:.72rem;font-weight:700}
.yb-ai-card h3{margin:3px 0;font-size:.9rem;font-weight:900;line-height:1.35}
.yb-ai-card p{display:none;margin:0;color:var(--yb-sub);font-size:.76rem;line-height:1.55}
.yb-genres{background:var(--yb-surface)}
.yb-genre-grid{border-top:1px solid var(--yb-line)}
.yb-genre-row{display:grid;grid-template-columns:34px minmax(90px,.75fr) 1.35fr auto 20px;gap:8px;align-items:center;min-height:78px;border-bottom:1px solid var(--yb-line);transition:background-color .18s ease,color .18s ease}
.yb-genre-row>span{color:var(--yb-muted);font-size:.8rem;font-weight:700}
.yb-genre-row h3{margin:0;font-size:1rem;font-weight:900}
.yb-genre-row p{margin:0;color:var(--yb-muted);font-size:.75rem;line-height:1.5}
.yb-genre-row b{color:var(--yb-sub);font-size:.72rem;font-weight:700;white-space:nowrap}
.yb-genre-row i{color:var(--yb-yellow);font-style:normal}
.yb-genre-row.is-special{color:var(--yb-yellow)}
.yb-genre-row.is-special p,.yb-genre-row.is-special b{color:var(--yb-yellow-soft)}
.yb-track{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(280px,82vw);gap:12px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory}
.yb-track-item{display:grid;grid-template-columns:62px 94px minmax(0,1fr);align-items:stretch;min-height:132px;border:1px solid var(--yb-line);background:var(--yb-surface);scroll-snap-align:start}
.yb-track-time{display:flex;align-items:center;justify-content:center;flex-direction:column;border-right:1px solid var(--yb-line)}
.yb-track-time b{font-size:.85rem;font-weight:900}
.yb-track-time span{margin-top:7px;color:var(--yb-yellow);font-size:1rem;font-weight:700}
.yb-track-item figure{margin:0;overflow:hidden}
.yb-track-item img{display:block;width:100%;height:100%;object-fit:cover}
.yb-track-item>div:last-child{display:flex;min-width:0;justify-content:center;flex-direction:column;padding:14px}
.yb-track-item>div:last-child>span{color:var(--yb-yellow);font-size:.68rem;font-weight:700}
.yb-track-item h3{margin:5px 0 8px;font-size:.95rem;font-weight:900;line-height:1.35}
.yb-track-item p{margin:0;color:var(--yb-muted);font-size:.7rem}
.yb-complete{background:var(--yb-yellow);color:var(--yb-on-yellow)}
.yb-complete .yb-kicker,.yb-complete .yb-section-head>p{color:var(--yb-on-yellow)}
.yb-complete-layout{display:grid;gap:30px}
.yb-section-head-stack{align-self:start;margin-bottom:0}
.yb-complete-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}
.yb-complete-card{min-width:0}
.yb-complete-card img{display:block;width:100%;aspect-ratio:3 / 4;object-fit:cover;clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);filter:contrast(1.03) saturate(.92)}
.yb-complete-card span{display:block;margin-top:10px;font-size:.68rem;font-weight:800;letter-spacing:.08em}
.yb-complete-card h3{margin:3px 0;font-size:.86rem;font-weight:900;line-height:1.35}
.yb-complete-card p{margin:0;color:var(--yb-on-yellow);font-size:.68rem;opacity:.8}
.yb-scenario-list{display:grid;gap:1px;background:var(--yb-line);border:1px solid var(--yb-line)}
.yb-scenario-list article{display:grid;grid-template-columns:48px 90px minmax(0,1fr);gap:14px;align-items:center;min-height:112px;padding:18px;background:var(--yb-bg)}
.yb-scenario-list b{color:var(--yb-yellow);font-size:2.3rem;line-height:1}
.yb-scenario-list h3{margin:0;font-size:1.05rem;font-weight:900}
.yb-scenario-list p{margin:0;color:var(--yb-muted);font-size:.82rem;line-height:1.7}
.yb-entry{background:linear-gradient(135deg,transparent 0 49.9%,var(--yb-line) 49.9% 50.1%,transparent 50.1%),var(--yb-surface)}
.yb-entry-layout{display:grid;gap:36px}
.yb-entry-copy>p:last-child{max-width:62ch;margin:24px 0 0;color:var(--yb-sub)}
.yb-entry-list{margin:0;padding:0;border-top:1px solid var(--yb-line);list-style:none}
.yb-entry-list li{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--yb-line)}
.yb-entry-list>li>span{color:var(--yb-yellow);font-size:1.3rem;font-weight:700}
.yb-entry-list h3{margin:0 0 4px;font-size:1rem;font-weight:900}
.yb-entry-list p{margin:0;color:var(--yb-muted);font-size:.82rem}
.yb-about-layout{display:grid;gap:40px}
.yb-about-copy>p:not(.yb-kicker){max-width:66ch;margin:22px 0 0;color:var(--yb-sub);line-height:2}
.yb-facts{align-self:end;border-top:6px solid var(--yb-yellow);background:var(--yb-surface);padding:22px}
.yb-facts h3{margin:0 0 12px;font-size:1.1rem;font-weight:900}
.yb-facts dl{margin:0}
.yb-facts dl div{display:grid;grid-template-columns:86px 1fr;gap:12px;padding:11px 0;border-top:1px solid var(--yb-line)}
.yb-facts dt{color:var(--yb-muted);font-size:.78rem}
.yb-facts dd{margin:0;font-size:.82rem;font-weight:700}
.yb-faq{background:var(--yb-surface)}
.yb-faq-list{border-top:1px solid var(--yb-line)}
.yb-faq-list details{border-bottom:1px solid var(--yb-line)}
.yb-faq-list summary{display:grid;grid-template-columns:38px 1fr 22px;gap:10px;align-items:center;min-height:70px;cursor:pointer;list-style:none}
.yb-faq-list summary::-webkit-details-marker{display:none}
.yb-faq-list summary span{color:var(--yb-yellow);font-size:.85rem;font-weight:700}
.yb-faq-list summary h3{margin:0;font-size:.93rem;font-weight:900;line-height:1.5}
.yb-faq-list summary i{position:relative;width:18px;height:18px}
.yb-faq-list summary i:before,.yb-faq-list summary i:after{content:"";position:absolute;top:8px;left:2px;width:14px;height:2px;background:var(--yb-yellow);transition:transform .22s ease}
.yb-faq-list summary i:after{transform:rotate(90deg)}
.yb-faq-list details[open] summary i:after{transform:rotate(0)}
.yb-faq-list details>div p{max-width:70ch;margin:0 0 22px 48px;color:var(--yb-muted);font-size:.88rem;line-height:1.85}
.yb-faq-more{display:flex;align-items:flex-start;justify-content:space-between;flex-direction:column;gap:8px;margin-top:26px}
.yb-text-link{display:inline-flex;align-items:center;gap:12px;min-height:44px;color:var(--yb-yellow)!important;font-weight:900}
.yb-faq-more p{margin:0;color:var(--yb-muted);font-size:.78rem}
.yb-download{padding:54px 0;scroll-margin-top:132px;background:var(--yb-yellow);color:var(--yb-on-yellow)}
.yb-download-grid{display:grid;gap:32px}
.yb-download-title>p{margin:0 0 10px;font-size:.8rem;font-weight:800;letter-spacing:.18em}
.yb-download-title h2{max-width:14ch}
.yb-download-title>span{display:block;max-width:54ch;margin-top:18px;font-size:.88rem;line-height:1.8}
.yb-download-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--yb-on-yellow);border-left:1px solid var(--yb-on-yellow)}
.yb-download-meta>div{padding:12px;border-right:1px solid var(--yb-on-yellow);border-bottom:1px solid var(--yb-on-yellow)}
.yb-download-meta h4{margin:0 0 4px;font-size:.7rem;font-weight:700;opacity:.75}
.yb-download-meta b{font-size:.9rem;line-height:1.2}
.yb-download-actions{display:grid;gap:8px}
.yb-download-actions a{display:flex;align-items:center;justify-content:space-between;min-height:56px;padding:0 18px;clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);background:var(--yb-on-yellow);color:var(--yb-ink);font-size:.9rem;transition:transform .18s ease}
.yb-download-actions a:nth-child(2){box-shadow:inset 0 0 0 2px var(--yb-on-yellow);background:transparent;color:var(--yb-on-yellow)}
.yb-download-actions p{margin:4px 0 0;font-size:.72rem;opacity:.8}
.yb-mobile-dock{position:fixed;right:0;bottom:0;left:0;z-index:70;display:flex;align-items:center;justify-content:space-between;min-height:66px;padding:9px max(16px,env(safe-area-inset-right)) max(9px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));border-top:1px solid var(--yb-line-strong);background:var(--yb-yellow);color:var(--yb-on-yellow)!important}
.yb-mobile-dock span{display:flex;flex-direction:column;line-height:1.25}
.yb-mobile-dock b,.yb-mobile-dock strong{font-size:.85rem;font-weight:900}
.yb-mobile-dock small{margin-top:2px;font-size:.66rem;font-weight:700}
.yb-mobile-dock strong{padding:9px 12px;background:var(--yb-on-yellow);color:var(--yb-ink)}
.yb-footer{padding:70px 0 calc(92px + env(safe-area-inset-bottom));background:var(--yb-bg)}
.yb-footer-statement{padding-bottom:56px;border-bottom:1px solid var(--yb-line)}
.yb-footer-statement>p{margin:0 0 14px;color:var(--yb-muted);font-size:.75rem;font-weight:700;letter-spacing:.18em}
.yb-footer-statement h2{margin:0 0 26px;font-size:clamp(2.8rem,13vw,7rem);font-weight:900;letter-spacing:-.06em;line-height:.92}
.yb-footer-statement h2 span{color:var(--yb-yellow)}
.yb-footer-bottom{display:grid;gap:34px;padding-top:34px}
.yb-footer-brand p{max-width:38ch;margin:14px 0 0;color:var(--yb-muted);font-size:.78rem;line-height:1.75}
.yb-footer h5{margin:0 0 10px;color:var(--yb-yellow);font-size:.72rem;font-weight:900;letter-spacing:.12em}
.yb-footer-links{display:flex;flex-wrap:wrap;gap:4px 16px}
.yb-footer-links h5{flex:0 0 100%}
.yb-footer-links a{display:inline-flex;align-items:center;min-height:44px;color:var(--yb-sub);font-size:.8rem}
.yb-footer-legal{display:flex;flex-direction:column;gap:7px;color:var(--yb-muted);font-size:.7rem;line-height:1.6}
.yb-footer-legal a{text-decoration:underline;text-underline-offset:3px}
@media(min-width:640px){.yb-shell{width:min(100% - 56px,1240px)}
.yb-actions{width:fit-content;flex-direction:row}
.yb-btn{min-width:202px}
.yb-poster-rail{grid-auto-columns:180px;justify-content:center}
.yb-section,.yb-hero{padding-block:90px}
.yb-section-head{grid-template-columns:minmax(0,1.4fr) minmax(240px,.6fr);align-items:end;margin-bottom:44px}
.yb-hot-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.yb-fork-row{grid-template-columns:minmax(190px,.75fr) minmax(0,1.25fr);align-items:center;padding:26px}
.yb-process{grid-template-columns:repeat(3,minmax(0,1fr))}
.yb-ai-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.yb-ai-card p{display:block}
.yb-track{grid-auto-columns:minmax(390px,46vw)}
.yb-complete-card h3{font-size:1rem}
.yb-scenario-list article{grid-template-columns:70px 130px minmax(0,1fr);padding:24px}
.yb-download-meta{grid-template-columns:repeat(4,minmax(0,1fr))}
.yb-download-actions{grid-template-columns:repeat(2,minmax(0,1fr))}
.yb-download-actions p{grid-column:1 / -1}
.yb-footer-bottom{grid-template-columns:1fr 1fr}
.yb-footer-brand{grid-column:1 / -1}}
@media(min-width:900px){.yb-header-row{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto;grid-template-areas:"left brand right cta";gap:18px;min-height:78px}
.yb-brand{justify-self:center}
.yb-nav{overflow:visible}
.yb-nav-left{justify-content:flex-end}
.yb-nav-right{justify-content:flex-start;border-top:0}
.yb-nav a{padding-inline:10px}
.yb-header-cta{padding-inline:18px}
.yb-hero{min-height:calc(100vh - 106px);display:grid;align-items:center}
.yb-hero-grid{grid-template-columns:minmax(0,.58fr) minmax(430px,1.35fr) minmax(0,.58fr);grid-template-areas:"left copy right";gap:clamp(18px,3vw,46px)}
.yb-poster-rail{display:flex;overflow:visible;flex-direction:column;gap:14px;padding:0}
.yb-poster-rail-left{transform:translateY(-24px)}
.yb-poster-rail-right{transform:translateY(22px)}
.yb-poster-rail-left .yb-rail-poster:nth-child(2){margin-left:28px}
.yb-poster-rail-right .yb-rail-poster:nth-child(2){margin-left:-24px}
.yb-poster-rail-right .yb-rail-poster:nth-child(3){margin-left:18px}
.yb-rail-poster{width:clamp(130px,14vw,174px)}
.yb-hero-copy h1{font-size:clamp(4.2rem,7.6vw,7rem)}
.yb-fork-row{grid-template-columns:minmax(250px,.8fr) minmax(0,1.2fr);padding:32px 46px}
.yb-fork-covers figure{max-width:200px}
.yb-fork-covers{justify-content:end;grid-template-columns:repeat(2,minmax(150px,200px)) auto}
.yb-genre-row{grid-template-columns:60px minmax(150px,.8fr) 1.5fr 130px 24px;min-height:86px;padding-inline:14px}
.yb-genre-row h3{font-size:1.2rem}
.yb-genre-row p,.yb-genre-row b{font-size:.82rem}
.yb-track{grid-auto-flow:initial;grid-auto-columns:initial;grid-template-columns:repeat(2,minmax(0,1fr));overflow:visible}
.yb-complete-layout{grid-template-columns:minmax(240px,.72fr) minmax(0,1.28fr);align-items:end}
.yb-entry-layout,.yb-about-layout{grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:80px;align-items:start}
.yb-download-grid{grid-template-columns:minmax(280px,.9fr) minmax(320px,.85fr) minmax(260px,.72fr);align-items:center}
.yb-download-meta{grid-template-columns:repeat(2,minmax(0,1fr))}
.yb-download-actions{grid-template-columns:1fr}
.yb-mobile-dock{display:none}
.yb-footer{padding-bottom:48px}
.yb-footer-bottom{grid-template-columns:minmax(280px,1.15fr) minmax(220px,.6fr) minmax(320px,1fr)}
.yb-footer-brand{grid-column:auto}}
@media(min-width:1120px){.yb-nav{gap:10px}
.yb-nav a{font-size:.86rem}
.yb-hot-grid{grid-template-columns:repeat(8,minmax(0,1fr))}
.yb-poster-info h3{font-size:.84rem}
.yb-track{grid-template-columns:repeat(4,minmax(0,1fr))}
.yb-track-item{grid-template-columns:58px 82px minmax(0,1fr)}}
@media(hover:hover) and (pointer:fine){.yb-nav a:hover:after{transform:scaleX(1)}
.yb-header-cta:hover span,.yb-btn:hover span,.yb-text-link:hover span{transform:translate(3px,3px)}
.yb-btn:hover,.yb-download-actions a:hover{transform:translateY(-3px)}
.yb-btn-outline:hover{background:var(--yb-ink);color:var(--yb-bg)}
.yb-poster-card:hover img{transform:scale(1.045);opacity:.82}
.yb-genre-row:hover{background:var(--yb-yellow);color:var(--yb-on-yellow)}
.yb-genre-row:hover>span,.yb-genre-row:hover p,.yb-genre-row:hover b,.yb-genre-row:hover i{color:var(--yb-on-yellow)}
.yb-footer-links a:hover,.yb-footer-legal a:hover{color:var(--yb-yellow)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
.yb-page *,.yb-page *:before,.yb-page *:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}