:root{--bg:#0c1020;--bg-soft:#12182d;--panel:#171f39;--panel-strong:#1d2948;--text:#f5f7fb;--muted:#a8b2c8;--line:rgba(255,255,255,0.11);--brand:#ffcc4d;--brand-strong:#ff9f1c;--accent:#66e3ff;--danger:#ff6b6b;--radius-lg:24px;--radius-md:16px;--shadow:0 24px 80px rgba(0,0,0,0.35)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at top left,rgba(102,227,255,.12),transparent 38rem),radial-gradient(circle at top right,rgba(255,204,77,.1),transparent 34rem),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button{border:0;font:inherit;cursor:pointer}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:rgba(12,16,32,.86);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:min(1180px,calc(100% - 28px));margin:0 auto;padding:14px 0}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.03em}.brand-mark{display:grid;width:42px;height:42px;place-items:center;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand-strong));color:#111827;box-shadow:0 10px 34px rgba(255,159,28,.3)}.brand-text{font-size:1.05rem}.main-nav{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:.94rem}.main-nav a{border-radius:999px;padding:10px 13px;transition:background .16s ease,color .16s ease}.main-nav a:hover{background:rgba(255,255,255,.08);color:var(--text)}main{width:min(1180px,calc(100% - 28px));margin:0 auto;padding:20px 0 54px}.game-stage{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);background:linear-gradient(180deg,rgba(29,41,72,.94),rgba(14,19,38,.96));box-shadow:var(--shadow)}.game-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px;border-bottom:1px solid var(--line)}.eyebrow,.section-eyebrow{margin:0 0 5px;color:var(--brand);font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.content-section h2,.game-toolbar h1,.info-card h2{margin:0;letter-spacing:-.04em}.game-toolbar h1{font-size:clamp(1.6rem,3.5vw,2.55rem)}.game-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}.game-actions button{border:1px solid rgba(255,255,255,.12);border-radius:14px;background:rgba(255,255,255,.08);color:var(--text);padding:11px 14px;font-weight:750;transition:transform .15s ease,background .15s ease,border-color .15s ease}.game-actions button:hover{transform:translateY(-1px);border-color:rgba(255,255,255,.22);background:rgba(255,255,255,.13)}.game-actions .primary-action{border-color:transparent;background:linear-gradient(135deg,var(--brand),var(--brand-strong));color:#121212}.notice{margin:0 18px 14px;border:1px solid rgba(102,227,255,.3);border-radius:14px;background:rgba(102,227,255,.12);color:#dff9ff;padding:11px 14px;font-size:.94rem}.game-frame-wrap{position:relative;overflow:hidden;aspect-ratio:16/9;min-height:420px;background:linear-gradient(135deg,rgba(255,204,77,.12),transparent 36%),linear-gradient(225deg,rgba(102,227,255,.12),transparent 42%),#050814}.game-frame-wrap:-webkit-full-screen{width:100vw;height:100vh;border-radius:0}.game-frame-wrap:fullscreen{width:100vw;height:100vh;border-radius:0}.game-frame-wrap:-webkit-full-screen .game-frame{height:100vh}.game-frame-wrap:fullscreen .game-frame{height:100vh}.game-frame{display:block;border:0;background:#050814}.game-frame,.game-start-screen{width:100%;height:100%;min-height:420px}.game-start-screen{position:relative;isolation:isolate;display:grid;place-items:center;padding:24px;overflow:hidden}.game-start-screen:before{content:"";position:absolute;inset:-40px;z-index:-2;background-image:var(--game-cover);background-position:50%;background-size:cover;filter:blur(28px);opacity:.34;transform:scale(1.12)}.game-start-screen:after{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(circle at center,rgba(255,255,255,.08),transparent 42%),rgba(5,8,20,.72)}.game-start-card{width:min(100%,320px);display:grid;justify-items:center;grid-gap:22px;gap:22px;padding:0;text-align:center}.game-start-icon{width:150px;height:150px;border-radius:18px;object-fit:cover;box-shadow:0 0 0 1px rgba(255,255,255,.2),0 18px 55px rgba(0,0,0,.45),0 0 28px rgba(255,255,255,.32)}.game-start-card h2{margin:0;font-size:clamp(1.45rem,3vw,2rem);letter-spacing:-.04em}.game-start-card .play-button{margin-top:0}.play-button{margin-top:22px;border-radius:16px;background:linear-gradient(135deg,var(--brand),var(--brand-strong));color:#121212;padding:14px 26px;font-weight:900;box-shadow:0 16px 42px rgba(255,159,28,.28);transition:transform .15s ease,box-shadow .15s ease}.play-button:hover{transform:translateY(-1px);box-shadow:0 20px 50px rgba(255,159,28,.34)}.page-grid{margin-top:28px;display:grid;grid-template-columns:minmax(0,1fr) 320px;grid-gap:24px;gap:24px;align-items:start}.article-card,.side-panel{min-width:0}.article-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:rgba(23,31,57,.62);padding:26px}.content-section+.content-section{margin-top:34px;padding-top:32px;border-top:1px solid var(--line)}.content-section h2{font-size:clamp(1.45rem,2.3vw,2rem)}.section-body{margin-top:13px;color:var(--muted);font-size:1.02rem;line-height:1.75}.section-body p{margin:0}.check-list,.number-list{margin:16px 0 0;padding:0;list-style:none}.check-list li,.number-list li{position:relative;margin-top:11px;border-radius:14px;background:rgba(255,255,255,.055);padding:13px 14px 13px 42px}.check-list li:before{content:"✓";position:absolute;left:15px;color:var(--brand);font-weight:900}.number-list{counter-reset:tip}.number-list li{counter-increment:tip}.number-list li:before{content:counter(tip);position:absolute;left:14px;top:14px;display:grid;width:22px;height:22px;place-items:center;border-radius:8px;background:rgba(255,204,77,.16);color:var(--brand);font-size:.78rem;font-weight:900}.control-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px}.control-grid div{border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.055);padding:15px}.control-grid span{display:block;color:var(--brand);font-size:.84rem;font-weight:850;text-transform:uppercase}.control-grid strong{display:block;margin-top:6px;color:var(--text);font-size:.98rem;line-height:1.35}.faq-list{display:grid;grid-gap:12px;gap:12px}.faq-list details{border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.055);padding:15px}.faq-list summary{color:var(--text);cursor:pointer;font-weight:800}.faq-list p{margin-top:10px}.side-panel{position:-webkit-sticky;position:sticky;top:92px;display:grid;grid-gap:16px;gap:16px}.info-card{border:1px solid var(--line);border-radius:var(--radius-md);background:rgba(23,31,57,.72);padding:18px}.info-card h2{margin-bottom:13px;font-size:1.15rem}.info-card dl{display:grid;grid-gap:12px;gap:12px;margin:0}.info-card dl div{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding-bottom:10px}.info-card dl div:last-child{border-bottom:0;padding-bottom:0}.info-card dt{color:var(--muted);font-size:.92rem}.info-card dd{margin:0;color:var(--text);font-weight:750;text-align:right}.tag-cloud{display:flex;flex-wrap:wrap;gap:9px}.tag-cloud a{border:1px solid rgba(255,255,255,.12);border-radius:999px;background:rgba(255,255,255,.065);color:var(--muted);padding:8px 10px;font-size:.88rem}.site-footer{border-top:1px solid var(--line);background:rgba(8,11,22,.74)}.footer-inner{width:min(1180px,calc(100% - 28px));margin:0 auto;padding:25px 0;color:var(--muted)}.footer-inner nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));grid-gap:12px;gap:12px;width:100%}.footer-inner a{border-radius:12px;padding:10px;text-align:center;transition:background .16s ease,color .16s ease}.footer-inner a:hover{background:rgba(255,255,255,.07);color:var(--text)}@media (max-width:980px){.main-nav{display:none}.game-toolbar{align-items:flex-start;flex-direction:column}.game-actions{justify-content:flex-start}.page-grid{grid-template-columns:1fr}.side-panel{position:static;grid-template-columns:repeat(3,minmax(0,1fr))}.control-grid{grid-template-columns:1fr}}@media (max-width:680px){main{padding-top:12px}.header-inner,main{width:min(100% - 18px,1180px)}.brand-text{font-size:.98rem}.game-frame,.game-frame-wrap{min-height:360px}.game-actions button{flex:1 1 auto;padding:10px 12px}.article-card{padding:17px}.footer-inner nav,.side-panel{grid-template-columns:1fr}}.static-page-shell{min-height:calc(100vh - 148px);padding-bottom:38px}.static-page-card{max-width:860px;margin:0 auto}.static-page-card h1{margin:0;font-size:clamp(2rem,4vw,3rem);letter-spacing:-.04em}.static-page-section{margin-top:28px;padding-top:26px;border-top:1px solid var(--line);color:var(--muted);line-height:1.75}.static-page-section h2{margin:0 0 10px;color:var(--text);font-size:1.35rem}.static-page-empty{min-height:220px}