.game-frame,.game-frame *{box-sizing:border-box}.game-frame{position:relative;max-width:1100px;height:460px;margin:0 auto;border-radius:20px;overflow:hidden;box-shadow:0 15px 40px #00000040}.solar-frame{background:#070b1f;border:1px solid rgba(255,255,255,.12)}.game-placeholder{display:flex;align-items:center;justify-content:center;padding:2rem;text-align:center;font-size:1.1rem;opacity:.8}.game-hud{position:absolute;left:0;right:0;display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:1rem;pointer-events:none;z-index:10}.game-hud-top{top:0}.game-hud button{pointer-events:auto}.game-pill{background:#ffffffe6;color:#254231;padding:.35rem .85rem;border-radius:999px;font-weight:600;font-size:.9rem;white-space:nowrap}.game-pill-muted{background:#ffffff1f;color:#fff;border:1px solid rgba(255,255,255,.2)}.game-question{flex:1;text-align:center;font-size:1.3rem;font-weight:700;color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.6)}.game-card{position:absolute;left:50%;bottom:1rem;transform:translate(-50%);width:min(520px,calc(100% - 2rem));background:#fffffff5;color:#254231;border-radius:16px;padding:1rem 1.25rem;box-shadow:0 10px 30px #00000059;border-left:6px solid #22c55e;z-index:10;animation:gameCardIn .3s ease-out}.game-card.is-wrong{border-left-color:#ef4444}.game-card p{margin:.4rem 0 .75rem;font-size:.95rem}.game-card strong{display:block;font-size:1.1rem;margin-bottom:.5rem}.game-button{background:linear-gradient(135deg,#a4e390,#5bccee);color:#254231;border:none;border-radius:999px;padding:.55rem 1.4rem;font-weight:700;font-size:.95rem;cursor:pointer;transition:transform .2s}.game-button:hover{transform:translateY(-2px)}.game-hint{position:absolute;left:0;right:0;bottom:.75rem;text-align:center;font-size:.85rem;color:#ffffffbf;pointer-events:none}.globe-frame{background:radial-gradient(circle at center,#0f3550,#061a29 75%);border:1px solid rgba(255,255,255,.12)}.globe-info{display:flex;align-items:center;gap:1rem;border-left-color:#facc15;padding-right:2.5rem}.globe-info-flag{font-size:2.75rem;line-height:1}.globe-info strong{margin-bottom:.15rem}.globe-info p{margin:0}.globe-info-close{position:absolute;top:.4rem;right:.6rem;background:none;border:none;font-size:1.5rem;line-height:1;color:#6b7c72;cursor:pointer}.globe-frame .float-tooltip-kap{background:#061a29e6;color:#fff;padding:.25rem .6rem;border-radius:8px;font:600 .85rem -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;border:1px solid rgba(255,255,255,.2)}.runner-frame{background:#f3fbef;border:1px solid rgba(37,66,49,.1);box-shadow:0 15px 40px #2542311f;outline:none;touch-action:manipulation;user-select:none;-webkit-user-select:none}.runner-frame:focus-visible{box-shadow:inset 0 0 0 3px #5bccee}.runner-frame.is-shake-a{animation:runnerShakeA .35s}.runner-frame.is-shake-b{animation:runnerShakeB .35s}.runner-canvas{display:block}.runner-frame .game-pill{box-shadow:0 2px 8px #2542311f}.runner-hearts{letter-spacing:.1em}.runner-word{flex:1;display:flex;align-items:center;justify-content:center;gap:.35rem}.runner-emoji{font-size:2rem;margin-right:.4rem}.runner-slot{width:2.1rem;height:2.4rem;border-radius:8px;background:#ffffffd9;border:2px dashed rgba(37,66,49,.35);display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:1.3rem;color:#2542314d}.runner-slot.is-next{border-color:#5bccee;border-style:solid}.runner-slot.is-next{color:#1d8fb5}.runner-slot.is-filled{background:#a4e390;border:2px solid #4caf9b;color:#254231}.runner-toast,.runner-paused{position:absolute;left:50%;top:45%;transform:translate(-50%,-50%);background:#fffffff2;color:#254231;padding:.6rem 1.2rem;border-radius:999px;font-weight:800;font-size:1.2rem;box-shadow:0 8px 24px #25423133;white-space:nowrap;pointer-events:none;z-index:10}.runner-paused{font-size:.95rem;font-weight:600;white-space:normal;text-align:center;max-width:calc(100% - 2rem)}.runner-over{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.4rem;text-align:center;color:#254231;background:radial-gradient(ellipse 45% 40% at center,rgba(255,255,255,.6),transparent);pointer-events:none;z-index:10;animation:runnerOverIn .45s cubic-bezier(.34,1.56,.64,1)}.runner-over-title{font-size:clamp(2.4rem,8vw,4.5rem);font-weight:900;line-height:1;letter-spacing:.04em;text-transform:uppercase;color:#ef4444;-webkit-text-stroke:2px #fff;paint-order:stroke fill;text-shadow:0 6px 0 rgba(37,66,49,.18),0 10px 24px rgba(37,66,49,.25)}.runner-over-score{font-size:clamp(1.1rem,3vw,1.5rem);font-weight:700;text-shadow:0 0 6px #fff,0 0 12px #fff}.runner-over-score b{font-size:1.4em;color:#1d8fb5}.runner-over-hint{margin-top:.6rem;padding:.35rem .9rem;border-radius:999px;background:#ffffffd9;font-size:.9rem;font-weight:600;animation:runnerHintPulse 1.6s ease-in-out infinite}@keyframes runnerOverIn{0%{opacity:0;transform:scale(.7)}to{opacity:1;transform:scale(1)}}@keyframes runnerHintPulse{50%{opacity:.55}}@media (prefers-reduced-motion: reduce){.runner-over,.runner-over-hint{animation:none}}@keyframes runnerShakeA{25%{transform:translate(-6px)}75%{transform:translate(6px)}}@keyframes runnerShakeB{25%{transform:translate(-6px)}75%{transform:translate(6px)}}.solar-label{background:#070b1fd9;color:#fff;padding:.2rem .6rem;border-radius:8px;font-size:.8rem;font-weight:600;white-space:nowrap;border:1px solid rgba(255,255,255,.25)}.solar-label-sun{background:#fbbf2433;border-color:#fbbf2480}@keyframes gameCardIn{0%{opacity:0;transform:translate(-50%,20px)}to{opacity:1;transform:translate(-50%)}}@media (max-width: 768px){.game-frame{height:380px}.game-hud{flex-wrap:wrap;padding:.75rem}.runner-word{order:3;flex-basis:100%}.runner-slot{width:1.8rem;height:2.1rem;font-size:1.1rem}.game-question{order:3;flex-basis:100%;font-size:1.05rem}}@keyframes footer-wave{0%{transform:scale(1.4);opacity:1}to{transform:scale(30);opacity:0}}@keyframes footer-shooting-star{0%{transform:translate(-100%)}60%,to{transform:translate(334%)}}.site-footer{position:relative;z-index:0;overflow:hidden;background:#253951;color:#ffffffd9;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:.95rem;line-height:1.6;text-align:left}.site-footer,.site-footer *{box-sizing:border-box}.site-footer p,.site-footer h4,.site-footer ul{margin:0;padding:0}.site-footer a{color:#4ab8dd;text-decoration:none}.site-footer a:hover{text-decoration:underline}.site-footer .footer-grid{display:grid;grid-template-columns:1.2fr 1.3fr 1fr;gap:3rem;max-width:1200px;margin:0 auto;padding:3.5rem 2rem 2.5rem}.site-footer .footer-col h4{color:#fff;font-size:1rem;text-transform:uppercase;letter-spacing:.5px;margin-bottom:1.5rem;padding-bottom:.6rem;position:relative}.site-footer .footer-col h4:after{content:"";position:absolute;left:0;bottom:0;width:40px;height:2px;background:#a4e390;transition:width .4s ease}.site-footer .footer-col:hover h4:after,.site-footer .footer-col:focus-within h4:after{width:100%}.site-footer .footer-logo{width:96px;height:auto;display:block;position:relative;z-index:1}.site-footer .footer-logo-wrap{position:relative;display:inline-block;margin-bottom:1rem}.site-footer .footer-logo-wrap:before,.site-footer .footer-logo-wrap:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;background:#a4e39059;border-radius:50%;opacity:0;pointer-events:none}.site-footer .footer-brand:hover .footer-logo-wrap:before,.site-footer .footer-brand:hover .footer-logo-wrap:after{animation:footer-wave 3s ease-out infinite}.site-footer .footer-brand:hover .footer-logo-wrap:after{animation-delay:1.5s}.site-footer .footer-company{color:#efde91;font-size:1.25rem;font-weight:700;margin-bottom:.5rem}.site-footer .footer-mission{margin-bottom:.5rem}.site-footer .footer-tagline{color:#fff;font-weight:600}.site-footer .footer-contact{list-style:none}.site-footer .footer-contact li{display:flex;align-items:flex-start;gap:.9rem;margin-bottom:1rem;line-height:1.5}.site-footer .footer-contact-icon{flex:none;width:34px;height:34px;border:1.5px solid rgba(255,255,255,.7);border-radius:50%;display:flex;align-items:center;justify-content:center}.site-footer .footer-contact-icon svg{width:16px;height:16px;fill:#fff}.site-footer .footer-contact li>span:last-child{padding-top:.3rem}.site-footer .footer-contact strong{color:#fff}.site-footer .footer-zalo{display:inline-flex;align-items:center;gap:.75rem;margin-bottom:1.5rem}.site-footer .footer-zalo svg{width:40px;height:40px;flex:none}.site-footer 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#4ab8dd47;cursor:pointer;transition:opacity .3s,filter .3s,transform .3s}.carousel-arrow svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}.carousel-arrow:hover:not(:disabled){filter:brightness(1.08);transform:translateY(-50%) scale(1.08)}.carousel-arrow:disabled{opacity:0;pointer-events:none}.carousel-prev{left:0}.carousel-next{right:0}@media (min-width: 1340px){.carousel{padding:0}.carousel-prev{left:-64px}.carousel-next{right:-64px}}@media (max-width: 768px){.carousel{padding:0}.carousel-arrow{display:none}}.app-carousel-state{text-align:center;opacity:.8}.app-carousel-item{flex:0 0 calc((100% - 4.5rem)/4);display:flex}.app-carousel-card{display:flex;flex-direction:column;width:100%;background:#fff;border-radius:15px;padding:1.25rem;box-shadow:0 5px 20px #00000014;color:#254231;text-decoration:none;text-align:left;transition:transform .3s,box-shadow .3s}a.app-carousel-card:hover{transform:translateY(-6px);box-shadow:0 15px 35px #0000001f}.app-carousel-image{width:100%;height:160px;object-fit:cover;border-radius:12px;background:#ddebe4;margin-bottom:1rem}.app-carousel-image-fallback{display:flex;align-items:center;justify-content:center;font-size:3rem;font-weight:700;color:#5bccee}.app-carousel-card h3{font-size:1.15rem;color:#1a3f2f;margin-bottom:.4rem}.app-carousel-card p{font-size:.95rem;color:#5a6b62;line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}@media (max-width: 1024px){.app-carousel-item{flex-basis:calc((100% - 2 * 1.5rem) / 3)}}@media (max-width: 768px){.app-carousel-item{flex-basis:78%}}@media (prefers-reduced-motion: reduce){.app-carousel-card{transition:none}}.logo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1.25rem;max-width:1100px;margin:0 auto;padding:0;list-style:none}.logo-tile{position:relative;aspect-ratio:1;border-radius:18px;cursor:default;transition:opacity .6s ease-out var(--reveal-delay, 0s),translate .6s ease-out var(--reveal-delay, 0s),scale .6s ease-out var(--reveal-delay, 0s),transform .3s ease,box-shadow .3s ease}.logo-tile:focus-visible{outline:3px solid #254231;outline-offset:3px}.logo-grid-logo{width:50%;height:50%;transition:transform .3s ease}.logo-grid-label{color:#fff;font-weight:700;font-size:.95rem;text-align:center}.logo-grid-label small{display:block;font-size:.75em;font-weight:500;opacity:.85}.logo-carousel-item{flex:0 0 calc((100% - 5 * 1.5rem) / 6)}@media (max-width: 1024px){.logo-carousel-item{flex-basis:calc((100% - 4.5rem)/4)}}@media (max-width: 768px){.logo-carousel-item{flex-basis:38%}}.logo-grid-slide .logo-tile{background:var(--tile-bg);overflow:hidden;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px #0000001f}.logo-grid-slide .logo-tile:hover,.logo-grid-slide .logo-tile:focus-visible{transform:translateY(-4px);box-shadow:0 12px 28px #0003}.logo-grid-slide .logo-tile:hover .logo-grid-logo,.logo-grid-slide .logo-tile:focus-visible .logo-grid-logo{transform:translateY(-12%) scale(.9)}.logo-grid-slide .logo-grid-label{position:absolute;left:0;right:0;bottom:0;padding:.6rem .5rem;background:#0000008c;translate:0 100%;transition:translate .3s ease}.logo-grid-slide .logo-tile:hover .logo-grid-label,.logo-grid-slide .logo-tile:focus-visible .logo-grid-label{translate:0 0}.logo-grid-flip .logo-tile{perspective:800px}.logo-tile-inner{position:absolute;top:0;right:0;bottom:0;left:0;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,.2,.2,1)}.logo-grid-flip .logo-tile:hover .logo-tile-inner,.logo-grid-flip .logo-tile:focus-visible .logo-tile-inner{transform:rotateY(180deg)}.logo-tile-face{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:18px;display:flex;align-items:center;justify-content:center;padding:.75rem;background:var(--tile-bg);box-shadow:0 6px 18px #0000001f;backface-visibility:hidden;-webkit-backface-visibility:hidden}.logo-tile-back{transform:rotateY(180deg);background:linear-gradient(#00000059,#00000059),var(--tile-bg)}.logo-grid-flip .logo-grid-label{font-size:1.05rem}@media (hover: none){.logo-grid-slide .logo-grid-label{translate:0 0}.logo-grid-slide .logo-grid-logo{transform:translateY(-12%) scale(.9)}.logo-grid-flip .logo-tile:focus .logo-tile-inner{transform:rotateY(180deg)}}@media (max-width: 768px){.logo-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:.75rem}.logo-grid-label{font-size:.8rem}.logo-grid-slide .logo-grid-label{padding:.4rem .3rem}.logo-grid-flip .logo-grid-label{font-size:.85rem}}@media (prefers-reduced-motion: reduce){.logo-tile,.logo-grid-logo,.logo-grid-label,.logo-tile-inner{transition:none}}