/* One visual system: neutral canvas, cinematic product, clear installation path. */
:root{color-scheme:light;--bg:#fafafa;--surface:#fff;--raised:#f0f1f3;--text:#202124;--muted:#686b72;--line:#dedfe3;--gold:#285ab8;--ink:#fff;--radius:18px}
body{background:var(--bg);color:var(--text)}.wrap{width:min(1120px,calc(100% - 64px))}.topbar{min-height:88px;border-color:var(--line);background:none}.brand{font-size:16px}.brand small{color:#74777d;font-size:8px}.brand img{border-radius:10px}.topbar nav{font-size:13px;gap:26px}.nav-support{border-color:#d3d5da;padding-inline:16px}.topbar nav a:hover{color:#285ab8}.button{min-height:50px;border-radius:30px;font-size:15px;padding:12px 24px;gap:12px}.primary{background:#202124;color:#fff;border-color:#202124}.primary:hover{background:#3b3d42}.secondary{background:#fff;border-color:#cdd0d7;color:#292d35}.secondary:hover{background:#f2f3f5}.text-link{color:#34598a;font-size:14px}.sub-link{color:#686b72;font-size:13px}.eyebrow{color:#777b83;font-size:10px;letter-spacing:2px}.skip:not(:focus){visibility:hidden}
.hero-stage{background:#fafafa;overflow:hidden}.hero{display:flex;flex-direction:column;gap:0;padding-block:65px 34px;min-height:0;isolation:isolate}.hero-copy{text-align:center;max-width:100%;padding:0;z-index:1}.hero .eyebrow{display:block;margin-bottom:22px;color:#72767d}.hero h1{font-size:clamp(44px,5.2vw,72px);font-weight:730;line-height:1.09;letter-spacing:-3.5px;margin-bottom:25px;color:#202124}.hero h1 em{color:#747980}.hero .intro{font-size:19px;line-height:1.6;max-width:650px;color:#686b72;margin:0 auto 23px}.hero-actions{justify-content:flex-start}.hero .hero-actions{justify-content:center;gap:25px}.hero-benefits{padding:0;list-style:none;display:flex;justify-content:center;flex-wrap:wrap;gap:20px;margin:23px 0 0;font-size:11px;color:#7e8188}.hero-benefits li::before{content:'✓';margin-right:6px;color:#7e8188}.product-visual{position:relative;display:block;isolation:isolate;width:100%;min-height:650px;margin-top:36px;background:none;border-radius:0;overflow:visible;perspective:1400px}.tv-demo{position:absolute;width:80%;right:8%;top:16px;transform:none}.tv-screen{aspect-ratio:16/9;position:relative;overflow:hidden;background:#111;border:5px solid #24262a;border-bottom-width:10px;border-radius:9px;box-shadow:0 28px 45px -24px #1a223455,0 0 0 1px #81838a}.tv-scene{width:100%;height:100%;object-fit:cover;display:block}.tv-screen::after{content:'';position:absolute;inset:65% 0 0;background:linear-gradient(transparent,#0006);pointer-events:none}.tv-stand{width:72%;height:24px;background:#34363a;margin:auto;clip-path:polygon(18% 0,21% 0,13% 100%,9% 100%,18% 0,79% 0,82% 0,91% 100%,87% 100%,79% 0)}.tv-source,.tv-subtitle{position:absolute;z-index:1;bottom:26px;left:12%;right:12%;text-align:center;color:#fff;font-size:21px;line-height:1.4;font-weight:550;text-shadow:0 2px 4px #000,0 0 8px #000;opacity:0;transition:opacity .35s ease;padding:0;background:none;border:0}.product-visual[data-language=en] .tv-source,.product-visual[data-language=vi] .tv-subtitle{opacity:1}.wireless-status{font-size:11px;color:#858991;display:flex;align-items:center;justify-content:center;gap:8px;margin-top:15px}.wireless-status svg{width:14px;height:14px}.phone-float{position:absolute;right:0;bottom:92px;z-index:3;transform-style:preserve-3d;animation:device-drift 7s ease-in-out infinite}.phone-float.is-held{animation-play-state:paused}.product-visual .phone{position:relative;width:190px;border:1px solid #959ba3;padding:3px;border-radius:31px;background:linear-gradient(110deg,#c4c8ce,#555e69 12%,#adb4bd 85%,#697481);box-shadow:0 20px 35px #18233933;overflow:visible;transform-style:preserve-3d;cursor:grab;touch-action:none;user-select:none;animation:none;transition:transform .65s cubic-bezier(.2,.8,.2,1)}.phone.rotating{cursor:grabbing;transition:none}.phone::before{inset:1px;border-radius:30px;border-color:#ffffff44}.product-visual .phone-screen{height:auto;border:2px solid #11141a;border-radius:27px;transform:translateZ(3px);overflow:hidden;backface-visibility:hidden}.phone-screen img{display:block;width:100%;height:auto;pointer-events:none;user-select:none;-webkit-user-drag:none}.phone-back{display:none}.camera-island{top:6px;transform:translateX(-50%) scale(.65);transform-origin:top center}.home-indicator{width:60px;height:2px;bottom:5px}.side-button{background:#8f969e;border-color:#6a717b;width:3px;left:-4px;transform:translateZ(-2px)}.action-key{top:48px;height:13px}.volume-up{top:80px;height:29px}.volume-down{top:118px;height:29px}.power-key{top:92px;height:42px;left:auto;right:-4px}.demo-controls{position:absolute;bottom:31px;left:50%;transform:translateX(-50%);display:flex;background:#e9eaed;border-radius:25px;padding:4px;gap:3px;z-index:4}.demo-controls button{border:0;border-radius:22px;background:transparent;color:#73777e;min-height:40px;padding:8px 21px;font-size:13px;font-weight:600;white-space:nowrap;transition:background .2s,color .2s}.demo-controls button[aria-pressed=true]{background:white;color:#25282d;box-shadow:0 2px 5px #0001}.demo-caption{position:absolute;bottom:0;left:0;right:0;text-align:center;font-size:10px;color:#8e9299;margin:0;pointer-events:none}.platform-strip{background:#f1f2f4;border-color:#e7e8eb}.platform-strip .wrap{min-height:72px}.platform-strip span{color:#8b8e94;font-size:8px;letter-spacing:1.3px}.platform-strip p{color:#666a72;font-size:12px}.platform-strip b{color:#b9bdc5}
.community-ribbon{display:flex;align-items:center;justify-content:space-between;gap:40px;padding-block:42px;border-bottom:1px solid var(--line)}.community-kicker{font-size:9px;letter-spacing:1.7px;color:#777b82;font-weight:650}.community-ribbon h2{font-size:23px;letter-spacing:-.6px;margin-top:9px;max-width:260px}.community-links{display:flex;gap:30px;flex:1;justify-content:flex-end}.community-links a{display:flex;align-items:center;gap:10px;min-height:60px}.social-mark{width:34px;height:34px;border-radius:50%;background:#eef1f6;color:#55709a;display:grid;place-items:center;font-size:20px;flex-shrink:0}.community-links strong{display:block;font-size:13px}.community-links small{display:block;font-size:10px;color:#858991;max-width:135px}.community-links b{display:none}.community-links a:hover strong{color:#285ab8}
.section{padding-block:80px}.section-heading{margin-bottom:30px}.section-heading h2{font-size:36px;letter-spacing:-1.4px}.section-heading>p{font-size:14px;color:#797d85}.setup-panel{background:#fff;border:1px solid #dedfe4;border-radius:18px;padding:32px}.setup-panel fieldset{border:0;padding:0;margin:0;min-width:0}.setup-panel legend{display:flex;gap:12px;align-items:center;font-size:19px;font-weight:650;margin-bottom:23px}.step-number{display:grid;place-items:center;background:#272b32;color:white;width:27px;height:27px;border-radius:50%;font-size:12px}.device-choices{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.device-choices button{display:flex;align-items:center;gap:15px;text-align:left;position:relative;border:1px solid #dfe1e6;background:#fafbfc;border-radius:12px;padding:24px 18px;color:#303641;min-height:98px;cursor:pointer}.device-choices svg{width:30px;height:30px;flex-shrink:0}.device-choices strong{display:block;font-size:16px}.device-choices small{display:block;font-size:11px;color:#7d838d;margin-top:4px}.device-choices i{position:absolute;right:11px;top:10px;width:10px;height:10px;border:1px solid #c6ccd6;border-radius:50%}.device-choices button[aria-pressed=true]{background:#f0f4fb;border-color:#5574aa}.device-choices button[aria-pressed=true] i{background:#496a9f;border-color:#496a9f;box-shadow:inset 0 0 0 2px white}.setup-placeholder{color:#8b9098;font-size:13px;margin:20px 0 0}.setup-result{margin-top:24px;background:#f6f7f9;border-radius:12px;padding:24px}.setup-result h3{font-size:21px;margin:0 0 14px}.setup-result ol{font-size:16px;color:#626a77;line-height:1.8;padding-left:21px}.setup-actions{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center}.setup-note{font-size:12px;color:#8a8e96;margin:16px 0 0}.setup-panel .tv-picker{margin-top:28px;border-top:1px solid #e3e5e9;padding-top:22px}.tv-picker legend{padding-top:22px}.tv-picker>p{font-size:14px;color:#828791}.tv-choices{display:flex;flex-wrap:wrap;gap:9px}.tv-choices button{min-height:44px;padding:9px 14px;background:white;border:1px solid #d2d7df;border-radius:8px;font-size:13px;color:#687181}.tv-choices button[aria-pressed=true]{background:#333d4f;color:#fff;border-color:#333d4f}.tv-next-step{border-left:2px solid #8fabc9;padding:16px 20px;background:#f3f6fa;margin-top:20px}.tv-next-step h3{font-size:18px;margin:0 0 7px}.tv-next-step p{font-size:15px;color:#6e7988}.setup-help{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid #e1e4e9;margin-top:27px;padding-top:16px;font-size:13px;color:#8a8e96}.setup-help a{color:#45618a;min-height:44px;display:flex;align-items:center}.all-downloads,.all-tv{border-bottom:1px solid #e0e2e7;margin-top:12px;padding-block:6px}.all-downloads>summary,.all-tv>summary{min-height:48px;align-content:center;font-size:14px;color:#6e7683}.all-downloads .download-grid{padding-block:18px}.download{background:#fff;border-color:#e0e2e7;border-radius:12px}.download p{font-size:15px;color:#78808b}.download .device-symbol{color:#708099}.tv-section{background:#252d3a;border-color:#252d3a;color:#fff}.tv-intro h3,.tv-links strong{color:white}.tv-intro p,.tv-links small{color:#b6becb}.tv-links a{border-color:#465061}.tv-links a>span:last-child{color:#d4dae4}.guide-band{background:#21262e;color:#f2f4f8;border-color:#21262e;--gold:#aebed7;--muted:#aeb6c4}.guide-band .eyebrow{color:#909db1}.guide-band .text-link,.steps b{color:#c1cde0}.steps a{border-color:#515968}.steps h3{font-size:21px;color:#fff}.steps p{font-size:15px;color:#acb5c4}.steps span{color:#7e8b9f}.steps b{font-size:13px}.section-description{font-size:15px;color:#7b828c}.search-box{background:white;border-color:#d7dce4}.search-box input{color:#333d4e;font-size:16px}.game-state{font-size:12px;color:#8c929c}.game-row{border-color:#dfe2e8}.game-row strong{font-size:15px;color:#3c4656}.game-row small{font-size:12px;color:#9198a4}.copy-button{font-size:12px;min-height:44px;border-color:#d2d8e3;color:#647b9b;background:white;border-radius:7px}.copy-button:hover{background:#f0f4f9}.support-section{border-color:#dce0e7}.support-section h2{font-size:38px}.support-section p{font-size:15px;color:#838a96}.support-section .hero-actions{gap:15px;flex-wrap:wrap}.faq details{border-color:#dce0e7}.faq summary{font-size:14px;color:#535e70;min-height:36px}.faq p{font-size:14px;color:#838a96}footer{border-color:#dce0e7}footer p,footer>a:last-child{color:#9299a4;font-size:11px}
@keyframes device-drift{0%,100%{transform:translateY(0) rotateZ(-.3deg)}50%{transform:translateY(-8px) rotateZ(.4deg)}}
@media(max-width:950px){.topbar nav{gap:16px}.hero h1{font-size:58px}.product-visual{min-height:530px}.tv-demo{width:85%;right:8%}.phone-float{bottom:85px}.product-visual .phone{width:160px}.tv-source,.tv-subtitle{font-size:17px}.community-ribbon{gap:25px}.community-links{gap:16px}.community-links small{display:none}.community-ribbon h2{font-size:20px}.device-choices button{padding:20px 12px;gap:10px}.device-choices strong{font-size:15px}.device-choices small{font-size:10px}}
@media(max-width:650px){.wrap{width:calc(100% - 40px)}.topbar{min-height:76px;gap:12px}.brand{font-size:13px;gap:8px}.brand img{width:33px;height:33px}.brand small{font-size:6px;letter-spacing:1px}.topbar nav{gap:13px;font-size:11px}.topbar nav a[href="#huong-dan"],.topbar nav a[href="#kho-game"],.topbar .nav-support{display:none}.hero{padding-block:40px 27px}.hero .eyebrow{font-size:9px;margin-bottom:18px}.hero h1{font-size:42px;line-height:1.13;letter-spacing:-2px;margin-bottom:21px}.hero .intro{font-size:15px;line-height:1.65}.hero .intro br{display:none}.hero .hero-actions{gap:10px;flex-direction:column}.hero .hero-actions .primary{min-width:180px}.hero-benefits{font-size:9px;gap:10px;margin-top:15px}.product-visual{min-height:360px;margin-top:24px}.tv-demo{width:94%;right:5%;top:15px}.tv-screen{border-width:3px;border-bottom-width:6px;border-radius:5px}.tv-source,.tv-subtitle{font-size:11px;bottom:14px;left:8%;right:8%}.tv-stand{height:13px}.wireless-status{font-size:7px;gap:4px;margin-top:9px}.wireless-status svg{height:9px;width:9px}.phone-float{bottom:80px;right:-3px}.product-visual .phone{width:99px;border-radius:17px;padding:2px}.product-visual .phone-screen{border-radius:14px;border-width:1px}.phone::before{border-radius:16px}.camera-island{top:3px;transform:translateX(-50%) scale(.36)}.home-indicator{width:32px;height:1px;bottom:3px}.action-key{top:27px;height:9px}.volume-up{top:45px;height:15px}.volume-down{top:66px;height:15px}.power-key{top:54px;height:24px}.side-button{width:2px;left:-3px}.power-key{left:auto;right:-3px}.demo-controls{bottom:26px;padding:3px}.demo-controls button{font-size:11px;min-height:36px;padding:7px 17px}.demo-caption{font-size:8px;bottom:3px}.platform-strip .wrap{flex-direction:column;justify-content:center;gap:1px;padding-block:13px;min-height:70px}.platform-strip span{font-size:7px}.platform-strip p{font-size:10px;margin:5px 0}.platform-strip b{padding-inline:6px}.community-ribbon{padding-block:30px;display:block}.community-ribbon h2{max-width:none;font-size:23px}.community-links{justify-content:space-between;gap:8px;margin-top:18px}.community-links a{gap:6px;min-height:48px}.community-links strong{font-size:10px}.social-mark{width:27px;height:27px;font-size:17px}.section{padding-block:48px}.section-heading{gap:12px;align-items:start;flex-direction:column}.section-heading h2{font-size:29px;letter-spacing:-1px}.section-heading>p{font-size:13px}.setup-panel{padding:22px 16px;border-radius:14px}.setup-panel legend{font-size:16px;gap:9px;margin-bottom:18px}.step-number{width:24px;height:24px;font-size:11px}.device-choices{grid-template-columns:1fr;gap:9px}.device-choices button{min-height:76px;padding:16px;gap:16px}.device-choices strong{font-size:16px}.device-choices small{font-size:12px}.device-choices i{top:calc(50% - 5px);right:15px}.setup-result{padding:18px 16px}.setup-result h3{font-size:19px}.setup-result ol{font-size:14px}.setup-actions{gap:8px;flex-direction:column;align-items:stretch}.setup-actions .button{font-size:13px}.setup-note{font-size:11px}.tv-choices button{font-size:12px}.setup-help{gap:8px;flex-wrap:wrap;font-size:12px}.all-downloads>summary,.all-tv>summary{font-size:12px;line-height:1.7;padding-block:8px}.game-row strong{font-size:14px}.copy-button{font-size:11px;padding-inline:9px}.support-section .hero-actions{gap:10px}.support-section .hero-actions .button{font-size:13px}.support-section .hero-actions .text-link{font-size:12px}}
@media(prefers-reduced-motion:reduce){.phone-float{animation:none}.phone,.tv-source,.tv-subtitle{transition:none}}
@media(max-width:650px){.topbar{flex-direction:row;align-items:center;justify-content:space-between}.topbar nav{width:auto;justify-content:flex-end}.topbar nav a[href="#cong-dong"]{display:none}.hero h1{text-wrap:balance;font-size:39px}.tv-source,.tv-subtitle{left:5%;right:20%;font-size:10px}.demo-controls button{min-height:44px}}
/* Keep the TV, status, switch and caption in document flow at every width. */
.product-visual{display:flex;flex-direction:column;align-items:center;min-height:0;padding-bottom:0;gap:0}.tv-demo{position:relative;inset:auto;width:80%;margin-right:4%}.phone-float{bottom:130px}.demo-controls{position:relative;inset:auto;transform:none;margin-top:29px;flex-shrink:0}.demo-caption{position:relative;inset:auto;margin-top:17px;line-height:1.6}.wireless-status{margin-top:20px;line-height:1.6;min-height:20px}.tv-source{display:none}.tv-subtitle{bottom:4.4%;left:28%;right:13%;font-size:clamp(12px,1.65vw,22px);background:#27313bed;border-radius:5px;padding:4px 7px;line-height:1.35}.tv-screen::after{display:none}
@media(max-width:950px){.product-visual{min-height:0}.phone-float{bottom:132px}.tv-subtitle{font-size:16px}}
@media(max-width:650px){.product-visual{min-height:0}.tv-demo{width:94%;margin-right:5%}.phone-float{bottom:126px;right:-3px}.wireless-status{margin-top:14px;font-size:8px;min-height:18px}.demo-controls{margin-top:23px}.demo-caption{margin-top:13px;font-size:8px}.tv-subtitle{font-size:9px;bottom:4.4%;left:28%;right:13%;padding:2px 3px;border-radius:3px}}
/* Align the translation with the subtitle baked into the supplied 980 × 551 frame. */
.tv-screen{container-type:inline-size}.tv-subtitle{left:26%;right:26%;bottom:3%;height:9%;min-height:0;display:flex;align-items:center;justify-content:center;padding:0 8px;background:#292c30;border-radius:4px;font-size:2.55cqw;font-weight:500;line-height:1.15;white-space:nowrap;text-shadow:0 1px 2px #0008;transition:none}.product-visual .phone{width:170px}.phone-float{right:-7px;bottom:143px}
@media(max-width:950px){.product-visual .phone{width:145px}.phone-float{bottom:140px}}
@media(max-width:650px){.product-visual .phone{width:87px}.phone-float{bottom:128px;right:-3px}.tv-subtitle{left:26%;right:26%;bottom:3%;height:9%;font-size:2.55cqw;padding:0 2px;border-radius:2px}}
/* Automatic source-to-translation demo with a road-toned, tightly fitted overlay. */
.tv-subtitle{left:50%;right:auto;bottom:3.9%;width:max-content;max-width:60%;height:auto;min-height:6%;transform:translateX(-50%);padding:.35cqw 1cqw;background:#858079;border-radius:5px;color:#fff;font-size:2.55cqw;text-shadow:0 1px 2px #39352e;animation:subtitle-demo 9s infinite}.wireless-status{margin-bottom:0}.demo-caption{margin-top:25px}.phone-float{bottom:85px}
@keyframes subtitle-demo{0%,23%{opacity:0}32%,88%{opacity:1}97%,100%{opacity:0}}
@media(max-width:950px){.phone-float{bottom:85px}}
@media(max-width:650px){.tv-subtitle{left:50%;right:auto;bottom:3.9%;height:auto;font-size:2.55cqw;padding:.35cqw 1cqw;border-radius:3px}.phone-float{bottom:78px}.demo-caption{margin-top:20px}}
@media(prefers-reduced-motion:reduce){.tv-subtitle{animation:none;opacity:1}}
.tv-subtitle{font-size:2.85cqw;min-width:43%;background:linear-gradient(100deg,#888279,#817c74 60%,#89847b)}
@media(max-width:650px){.tv-subtitle{font-size:2.85cqw}}
/* Slightly translucent backing and a shorter demonstration cycle. */
.tv-subtitle{background:linear-gradient(100deg,#888279eb,#817c74eb 60%,#89847beb);animation-duration:6s}
/* Mobile reading and touch targets, including narrow phones and landscape. */
.device-choices svg{fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
@media(max-width:650px){
html{scroll-padding-top:20px}.wrap{width:calc(100% - 36px)}
.topbar{display:grid;grid-template-columns:1fr;gap:5px;padding-block:16px 5px;min-height:0}.brand{font-size:15px}.brand img{width:36px;height:36px}.brand small{font-size:7px}.topbar nav{width:100%;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;font-size:13px}.topbar nav a{min-height:44px;justify-content:center}.topbar nav a[href="#tai-app"],.topbar nav a[href="#kho-game"],.topbar nav a[href="#cong-dong"]{display:flex}.topbar nav a[href="#huong-dan"],.topbar .nav-support{display:none}
.hero{padding-top:30px}.hero h1{font-size:clamp(33px,9.5vw,43px);letter-spacing:-1.8px;line-height:1.14}.hero .intro{font-size:16px;line-height:1.65}.hero .hero-actions{gap:8px;width:100%}.hero .hero-actions .primary{min-height:52px;font-size:15px;width:min(100%,280px)}.hero .hero-actions .text-link{font-size:13px;min-height:44px}.hero-benefits{font-size:10px;gap:7px 12px;line-height:1.6;margin-top:13px}.product-visual{margin-top:27px}.tv-demo{width:95%;margin-right:5%}.wireless-status{font-size:9px;max-width:80%;margin-inline:auto;line-height:1.7}.demo-caption{font-size:9px;max-width:280px;line-height:1.7;text-wrap:balance}.platform-strip span{font-size:8px;letter-spacing:.8px;text-align:center}.platform-strip p{font-size:11px;line-height:1.8;text-align:center;white-space:normal}.platform-strip b{padding-inline:4px}
.community-ribbon{padding-block:28px}.community-kicker{font-size:10px}.community-ribbon h2{font-size:25px;line-height:1.3;max-width:290px}.community-links{display:grid;grid-template-columns:1fr;gap:0;margin-top:18px}.community-links a{min-height:76px;gap:14px;border-top:1px solid #e2e5eb}.social-mark{height:38px;width:38px;font-size:22px}.community-links strong{font-size:15px}.community-links small{display:block;max-width:none;font-size:12px;margin-top:3px;line-height:1.5}.community-links b{display:block;margin-left:auto;font-size:18px;font-weight:400;color:#7b899e}
.section{padding-block:42px}.section-heading h2{font-size:29px;line-height:1.2}.section-heading>p{font-size:15px;line-height:1.65}.section-heading>p br{display:none}.eyebrow{font-size:10px}.setup-panel{padding:22px 16px}.setup-panel legend{font-size:17px;line-height:1.4;align-items:flex-start}.step-number{flex-shrink:0;margin-top:1px}.device-choices button{min-height:82px}.device-choices strong{font-size:17px}.device-choices small{font-size:12px;line-height:1.5}.setup-placeholder{font-size:14px;line-height:1.65}.setup-result h3{font-size:20px}.setup-result ol{font-size:15px;line-height:1.75}.setup-result ol li+li{margin-top:8px}.setup-actions .button{font-size:14px;min-height:50px}.setup-actions .text-link{min-height:44px;font-size:14px}.setup-note{font-size:12px;line-height:1.75}.tv-picker>p{font-size:14px;line-height:1.7}.tv-choices{gap:8px}.tv-choices button{min-height:46px;font-size:13px;padding:9px 12px}.tv-next-step{padding:16px 14px}.tv-next-step p{font-size:15px;line-height:1.7}.tv-next-step .button{font-size:13px;min-height:48px;max-width:100%}.setup-help{font-size:13px;line-height:1.65;gap:4px}.setup-help a{font-size:14px}.all-downloads>summary,.all-tv>summary{font-size:14px;min-height:56px;padding-block:13px}.download p{font-size:15px}.sub-link{min-height:46px;font-size:14px}.tv-section{padding:22px}.tv-links strong{font-size:15px}.tv-links small{font-size:12px}.steps{gap:25px}.steps a{padding-top:18px}.steps h3{font-size:20px;margin-top:13px}.steps p{font-size:15px;line-height:1.7;max-width:none}.steps b{font-size:14px;display:inline-flex;align-items:center;min-height:44px}.section-description{font-size:15px;line-height:1.75}.search-row{gap:10px}.search-box{padding-inline:13px;min-height:54px}.search-box input{font-size:16px;padding-block:13px}.search-row>.button{align-self:stretch;min-height:46px;font-size:14px}.game-state{font-size:12px;line-height:1.65}.game-row{gap:12px;padding-block:17px}.game-row strong{font-size:15px}.game-row small{font-size:12px;line-height:1.5}.copy-button{min-height:46px;font-size:12px;padding:9px 12px;min-width:94px}.support-section p{font-size:15px;line-height:1.75}.support-section .hero-actions{display:grid;grid-template-columns:1fr;gap:6px}.support-section .hero-actions .button{font-size:15px;min-height:50px}.support-section .hero-actions .text-link{font-size:14px;justify-content:center;min-height:44px}.faq summary{font-size:15px;min-height:48px;align-content:center;line-height:1.6}.faq p{font-size:14px;line-height:1.75}footer{gap:16px;padding-block:28px}footer p{font-size:12px;line-height:1.7}footer>a:last-child{min-height:44px;font-size:13px}
}
@media(max-width:360px){.wrap{width:calc(100% - 28px)}.hero h1{font-size:32px}.hero-benefits{font-size:9px;gap:6px 8px}.community-ribbon h2{font-size:23px}.device-choices button{padding-inline:12px;gap:12px}.device-choices small{font-size:11px}.setup-panel{padding-inline:13px}.copy-button{min-width:86px;font-size:11px}.game-row strong{font-size:14px}}
@media(min-width:651px) and (max-width:820px){.community-ribbon{flex-direction:column;align-items:stretch;gap:15px}.community-ribbon h2{max-width:none}.community-links{justify-content:space-between}.device-choices{gap:9px}.device-choices button{padding:18px 10px}.device-choices svg{width:23px}}
.brand small{letter-spacing:.25px;font-size:10px;font-weight:450}
@media(max-width:650px){.brand{font-size:14px}.brand small{font-size:10px;letter-spacing:.1px}}
.pc-coming{display:flex;align-items:center;flex-wrap:wrap;gap:5px 12px;margin:17px 0 0;font-size:13px;line-height:1.6}.pc-coming strong{font-weight:600;color:#5f6c80}.pc-coming span{color:#858b95;font-size:12px}
@media(max-width:650px){.pc-coming{font-size:14px;margin-top:18px}.pc-coming span{font-size:12px}.platform-strip p{overflow-wrap:anywhere}}
/* Compact header before the long brand and navigation start competing. */
.topbar nav a{white-space:nowrap}
@media(max-width:1050px){.topbar{display:flex;flex-direction:column;align-items:stretch;gap:8px;padding-block:17px 7px;min-height:0}.topbar .brand{align-self:flex-start}.topbar nav{display:flex;justify-content:flex-start;gap:24px;width:100%;font-size:13px}.topbar nav a{min-height:44px}.topbar .nav-support{border:0;padding:0;border-radius:0;gap:8px}}
@media(max-width:650px){.topbar{gap:10px;padding-block:16px 5px}.topbar .brand{font-size:clamp(12px,3.6vw,15px);gap:9px;max-width:100%}.topbar .brand>span{min-width:0}.topbar .brand img{flex-shrink:0}.topbar nav{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;font-size:13px}.topbar nav a[href="#tai-app"],.topbar nav a[href="#kho-game"],.topbar nav a[href="#cong-dong"]{display:flex;justify-content:center}.topbar nav a[href="#huong-dan"],.topbar .nav-support{display:none}.hero{padding-bottom:22px}}
.how-it-works{display:grid;grid-template-columns:1fr 1fr;gap:80px;padding-block:65px;border-bottom:1px solid var(--line)}.how-it-works h2{font-size:32px;line-height:1.25;letter-spacing:-1px}.how-it-works>div>p:last-child{font-size:16px;line-height:1.8;color:var(--muted);max-width:470px;margin-top:20px}.simple-flow{margin:0;padding:0;list-style:none;display:grid;gap:23px}.simple-flow li{display:flex;gap:18px}.simple-flow li>span{width:28px;height:28px;flex-shrink:0;border:1px solid #d4dae4;border-radius:50%;display:grid;place-items:center;color:#737f92;font-size:12px;margin-top:4px}.simple-flow h3{font-size:18px;margin:0 0 7px;letter-spacing:-.3px}.simple-flow p{font-size:14px;line-height:1.75;color:var(--muted);margin:0}
@media(max-width:820px){.how-it-works{gap:35px}.how-it-works h2{font-size:27px}}
@media(max-width:650px){.how-it-works{grid-template-columns:1fr;gap:25px;padding-block:40px}.how-it-works h2{font-size:27px;line-height:1.3}.how-it-works>div>p:last-child{font-size:15px;margin-top:16px}.simple-flow{gap:22px}.simple-flow li{gap:12px}.simple-flow h3{font-size:17px}.simple-flow p{font-size:14px;line-height:1.75}}
/* Anchor the phone to the TV's top edge, never to the changing section height. */
.product-visual .phone-float{top:clamp(35px,8vw,110px);bottom:auto;right:-7px}.product-visual .phone{width:clamp(87px,16vw,170px)}
@media(max-width:650px){.product-visual .phone-float{top:30px;bottom:auto;right:-3px}.product-visual .phone{width:clamp(70px,22vw,87px)}}
/* Give the app interface enough space to read, alongside rather than over the TV. */
.product-visual{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:32px;align-items:center;padding-block:12px 18px}.product-visual .tv-demo{width:100%;margin:0;position:relative;inset:auto}.product-visual .phone-float{position:relative;inset:auto;justify-self:center;align-self:center}.product-visual .phone{width:250px;border-radius:38px}.product-visual .phone-screen{border-radius:33px}.product-visual .phone::before{border-radius:36px}.product-visual .camera-island{transform:translateX(-50%) scale(.85);top:8px}.product-visual .home-indicator{width:75px;height:3px}.product-visual .action-key{top:65px;height:18px}.product-visual .volume-up{top:107px;height:35px}.product-visual .volume-down{top:153px;height:35px}.product-visual .power-key{top:119px;height:56px}
@media(min-width:651px) and (max-width:950px){.product-visual{grid-template-columns:minmax(0,1fr) 220px;gap:22px}.product-visual .phone{width:220px}}
@media(max-width:650px){.product-visual{grid-template-columns:1fr;gap:30px;padding-bottom:12px}.product-visual .phone-float{position:relative;inset:auto;justify-self:center}.product-visual .phone{width:210px;border-radius:34px}.product-visual .phone-screen{border-radius:30px}.product-visual .phone::before{border-radius:32px}.product-visual .camera-island{transform:translateX(-50%) scale(.72);top:7px}.product-visual .side-button{width:3px;left:-4px}.product-visual .power-key{left:auto;right:-4px}.product-visual .home-indicator{width:65px;height:2px}.product-visual .action-key{top:56px;height:15px}.product-visual .volume-up{top:92px;height:31px}.product-visual .volume-down{top:132px;height:31px}.product-visual .power-key{top:104px;height:49px}}
/* The app screenshot is the readable primary device, not a decorative thumbnail. */
.product-visual{grid-template-columns:minmax(0,1fr) 340px;gap:36px}.product-visual .phone{width:340px;border-radius:46px}.product-visual .phone-screen{border-radius:41px}.product-visual .phone::before{border-radius:44px}.product-visual .camera-island{transform:translateX(-50%);top:11px}
@media(min-width:651px) and (max-width:950px){.product-visual{grid-template-columns:minmax(0,1fr) 300px;gap:25px}.product-visual .phone{width:300px}}
@media(max-width:650px){.product-visual{grid-template-columns:1fr;gap:32px}.product-visual .phone{width:min(340px,calc(100vw - 56px));border-radius:43px}.product-visual .phone-screen{border-radius:38px}.product-visual .phone::before{border-radius:41px}.product-visual .camera-island{transform:translateX(-50%) scale(.95);top:10px}}
/* Oversized app device overlaps the TV edge while leaving its subtitle centered. */
.product-visual{display:block;position:relative;min-height:1030px;padding-top:80px;padding-bottom:0}.product-visual .tv-demo{width:86%;margin:0 0 0 0}.product-visual .phone-float{position:absolute;top:18px;right:-10px;bottom:auto;z-index:3}.product-visual .phone{width:440px;border-radius:52px}.product-visual .phone-screen{border-radius:47px}.product-visual .phone::before{border-radius:50px}
@media(min-width:651px) and (max-width:950px){.product-visual{min-height:940px;padding-top:65px}.product-visual .tv-demo{width:91%}.product-visual .phone-float{top:20px;right:-4px}.product-visual .phone{width:390px}}
@media(max-width:650px){.product-visual{display:flex;flex-direction:column;min-height:0;padding-top:0;gap:0;align-items:stretch}.product-visual .tv-demo{width:100%;margin:0}.product-visual .phone-float{position:relative;top:auto;right:auto;bottom:auto;align-self:center;margin-top:-45px;z-index:3}.product-visual .phone{width:min(390px,calc(100vw - 34px));border-radius:46px}.product-visual .phone-screen{border-radius:41px}.product-visual .phone::before{border-radius:44px}.wireless-status{margin-top:17px;margin-bottom:50px}}
/* One install path, platform-specific help and a single community section. */
.tv-optional{border-top:1px solid #e1e4e9;margin-top:24px}.tv-optional>summary{font-size:15px;font-weight:600;color:#4a617f;min-height:54px;align-content:center;cursor:pointer}.tv-optional .tv-picker{border-top:0;margin-top:0;padding-top:10px}.tv-optional .tv-picker legend{padding-top:0;font-size:17px}.guide-platforms{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.guide-platforms a{display:flex;flex-direction:column;gap:10px;border-top:1px solid #596271;padding-top:20px;min-height:100px}.guide-platforms strong{font-size:21px;font-weight:600;color:#fff}.guide-platforms span{font-size:14px;line-height:1.7;color:#b6c2d4}.guide-platforms a:hover strong{color:#b9ccea}.community-ribbon{padding-block:40px}.support-section{padding-top:50px}.faq details{padding-block:9px}.topbar nav{gap:25px}
@media(max-width:650px){.topbar nav{grid-template-columns:repeat(4,1fr);gap:4px;font-size:12px}.topbar nav a[href="#tai-app"],.topbar nav a[href="#huong-dan"],.topbar nav a[href="#kho-game"],.topbar nav .nav-support{display:flex;justify-content:center;min-height:44px;padding:0;border:0}.guide-platforms{grid-template-columns:1fr;gap:15px}.guide-platforms a{min-height:90px;padding-block:17px;gap:6px}.guide-platforms strong{font-size:19px}.guide-platforms span{font-size:14px}.tv-optional>summary{font-size:14px;min-height:56px;line-height:1.6}.tv-optional .tv-picker legend{font-size:16px}.community-ribbon{padding-block:33px}.support-section{padding-top:35px}}
/* Restore balanced dimensions now that the public/local preview mix-up is clear. */
.product-visual{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:20px;align-items:center;min-height:0;padding-block:12px 18px}.product-visual .tv-demo{width:100%;margin:0}.product-visual .phone-float{position:relative;inset:auto;justify-self:center;align-self:center;margin:0;z-index:3}.product-visual .phone{width:280px;border-radius:41px}.product-visual .phone-screen{border-radius:36px}.product-visual .phone::before{border-radius:39px}.product-visual .camera-island{transform:translateX(-50%) scale(.9);top:9px}
@media(min-width:651px) and (max-width:950px){.product-visual{grid-template-columns:minmax(0,1fr) 240px;gap:16px;min-height:0;padding-top:12px}.product-visual .phone{width:240px}.product-visual .phone-float{position:relative;inset:auto}}
@media(max-width:650px){.product-visual{display:flex;flex-direction:column;gap:27px;min-height:0;padding-top:0;align-items:center}.product-visual .tv-demo{width:100%;margin:0}.product-visual .phone-float{position:relative;inset:auto;margin:0;align-self:center}.product-visual .phone{width:230px;border-radius:36px}.product-visual .phone-screen{border-radius:31px}.product-visual .phone::before{border-radius:34px}.product-visual .camera-island{transform:translateX(-50%) scale(.76);top:8px}.wireless-status{margin-top:17px;margin-bottom:0}}
/* App showcase composition: app first, a separate TV story, then practical links. */
.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:50px;padding-block:55px 60px;align-items:center;min-height:780px}.hero-copy{text-align:left}.hero .eyebrow{font-size:10px;letter-spacing:1.7px;margin-bottom:22px}.hero h1{font-size:clamp(50px,5vw,70px);line-height:1.1;letter-spacing:-3px}.hero h1 em{color:#747980}.hero .intro{font-size:18px;line-height:1.75;margin:0 0 26px;max-width:460px}.hero .hero-actions{justify-content:flex-start;align-items:flex-start;gap:10px;flex-direction:column}.hero .hero-actions .primary{min-height:52px;font-size:15px}.hero .hero-actions .text-link{font-size:13px}.hero-benefits{justify-content:flex-start;gap:12px;font-size:10px;margin-top:20px}.hero .product-visual{display:flex;justify-content:center;align-items:center;position:relative;min-height:710px;margin:0;padding:0;isolation:isolate}.hero .product-visual::before{content:'';position:absolute;width:390px;height:490px;max-width:100%;border-radius:48% 48% 42% 42%;background:#eaeef3;transform:rotate(-12deg);z-index:-1}.hero .product-visual .phone-float{position:relative;inset:auto;margin:0;align-self:center}.hero .product-visual .phone{width:310px;border-radius:43px}.hero .product-visual .phone-screen{border-radius:38px}.hero .product-visual .phone::before{border-radius:41px}.app-highlights{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-block:33px}.app-highlights article>span{font-size:9px;letter-spacing:1.4px;color:#8b919c;font-weight:600}.app-highlights h2{font-size:23px;letter-spacing:-.6px;line-height:1.3;margin-top:12px}.app-highlights p{font-size:14px;line-height:1.75;color:#787e89;margin-bottom:0}.tv-showcase{background:#eceef1;padding-block:65px}.tv-showcase-copy{text-align:center;max-width:680px;margin:0 auto 35px}.tv-showcase-copy .eyebrow{justify-content:center}.tv-showcase-copy h2{font-size:40px;line-height:1.2;letter-spacing:-1.5px}.tv-showcase-copy p{font-size:16px;color:#787e89;line-height:1.75;margin-top:20px}.tv-showcase .tv-demo{position:relative;inset:auto;transform:none;width:min(900px,100%);margin:auto}.tv-showcase .wireless-status{font-size:12px;min-height:20px}.tv-showcase .tv-subtitle{font-size:2.85cqw}.tv-showcase .tv-source{display:none}
@media(min-width:651px) and (max-width:950px){.hero{gap:22px;min-height:700px}.hero h1{font-size:51px}.hero .intro{font-size:16px}.hero .product-visual{min-height:650px}.hero .product-visual .phone{width:265px}.app-highlights{gap:23px}.app-highlights h2{font-size:20px}}
@media(max-width:650px){.hero{display:flex;flex-direction:column;min-height:0;gap:20px;padding-block:34px 32px}.hero-copy{text-align:center;width:100%}.hero .eyebrow{font-size:8px;letter-spacing:1.4px;margin-bottom:18px}.hero h1{font-size:43px;line-height:1.13;letter-spacing:-2px}.hero .intro{font-size:16px;line-height:1.65;margin:0 auto 22px;max-width:350px}.hero .intro br{display:none}.hero .hero-actions{justify-content:center;align-items:center;gap:7px}.hero .hero-actions .primary{width:min(100%,310px);font-size:14px}.hero-benefits{justify-content:center;font-size:9px;gap:8px}.hero .product-visual{width:100%;min-height:0;padding:14px 0;gap:0}.hero .product-visual::before{width:290px;height:410px;border-radius:45%;max-width:95%}.hero .product-visual .phone{width:min(280px,calc(100vw - 72px));border-radius:40px}.hero .product-visual .phone-screen{border-radius:35px}.hero .product-visual .phone::before{border-radius:38px}.app-highlights{grid-template-columns:1fr;gap:23px;padding-block:27px}.app-highlights article{padding-left:14px;border-left:2px solid #dbe0e7}.app-highlights h2{font-size:22px;margin-top:8px}.app-highlights p{font-size:14px;margin-top:7px}.tv-showcase{padding-block:42px}.tv-showcase-copy{margin-bottom:25px}.tv-showcase-copy h2{font-size:30px;letter-spacing:-1px}.tv-showcase-copy p{font-size:14px;line-height:1.7}.tv-showcase-copy p br{display:none}.tv-showcase-copy .text-link{font-size:13px;min-height:44px}.tv-showcase .wireless-status{font-size:9px;margin-bottom:0}}
@media(max-width:360px){.hero h1{font-size:37px}}
/* Compact, keyboard-accessible installation chooser. Only one step is visible. */
.download-entry{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-block:40px}.download-entry h2{font-size:27px;letter-spacing:-.8px}.download-entry p{font-size:15px;color:var(--muted);margin:8px 0 0}.setup-dialog{border:1px solid #dce0e7;border-radius:20px;width:min(560px,calc(100% - 32px));max-height:calc(100dvh - 40px);padding:0;background:#fafafa;color:#252a33;box-shadow:0 30px 90px #0003;overscroll-behavior:contain}.setup-dialog::backdrop{background:#1d25376b;backdrop-filter:blur(5px)}html.setup-open{overflow:hidden}.wizard-header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px 4px}.wizard-header>span{font-size:12px;color:#838b97}.wizard-header button,.wizard-footer button{border:0;background:transparent;font-size:13px;color:#596779;min-height:44px;cursor:pointer}.wizard-body{padding:10px 24px 20px}.wizard-body h2{font-size:27px;letter-spacing:-.8px;line-height:1.25;margin:0 0 17px;outline:none}.wizard-hint{font-size:14px;color:#7c8491;line-height:1.6;margin:0 0 17px}.wizard-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.wizard-options button{border:1px solid #d9dee7;border-radius:12px;background:#fff;padding:17px 16px;text-align:left;min-height:87px;color:#333d4c;cursor:pointer}.wizard-options strong{display:block;font-size:16px;font-weight:600}.wizard-options small{display:block;font-size:12px;color:#7e8794;line-height:1.5;margin-top:5px}.wizard-options button:hover,.wizard-options button[aria-pressed=true]{border-color:#7890b2;background:#f0f4fa}.where-options{grid-template-columns:1fr}.wizard-tv-options{display:grid;grid-template-columns:1fr 1fr;gap:8px}.wizard-tv-options button{min-height:48px;border:1px solid #d5dce7;border-radius:8px;background:#fff;font-size:13px;color:#526885;padding:10px;cursor:pointer}#wizard-tv{margin-top:22px}.wizard-selection{font-size:12px;color:#7a879a;background:#eef1f6;padding:9px 12px;border-radius:7px;margin:0 0 16px}.wizard-download{border-top:1px solid #dce1e9;padding-block:17px}.wizard-download h3{font-size:19px;margin:0 0 10px}.wizard-download p{font-size:14px;color:#727c8b;line-height:1.75;margin:0 0 16px}.wizard-download .button{font-size:14px;min-height:48px;padding:10px 19px}.wizard-download .text-link{display:block;font-size:13px;align-content:center;min-height:44px;margin-top:4px}.wizard-note{font-size:12px;line-height:1.7;color:#89919e;margin:6px 0 0}.wizard-footer{border-top:1px solid #e1e5eb;padding:8px 24px;display:flex;justify-content:space-between;align-items:center;gap:18px}.wizard-footer a{font-size:13px;color:#60799c;display:flex;align-items:center;min-height:44px;margin-left:auto}
@media(max-width:650px){.download-entry{align-items:stretch;flex-direction:column;gap:20px;padding-block:30px}.download-entry h2{font-size:25px}.download-entry p{font-size:14px}.download-entry .button{font-size:14px}.setup-dialog{border-radius:17px;max-height:calc(100dvh - 28px)}.wizard-header{padding:12px 18px 2px}.wizard-body{padding:12px 18px 18px}.wizard-body h2{font-size:24px}.wizard-options{grid-template-columns:1fr;gap:8px}.wizard-options button{min-height:73px;padding:13px 15px}.wizard-options strong{font-size:16px}.wizard-options small{font-size:12px;margin-top:3px}.wizard-footer{padding:7px 18px}.wizard-download .button{width:100%;font-size:13px}.wizard-download h3{font-size:18px}}