:root{--header:80px;--rail:360px;--card:388px;--stage:1080px;--ink:#2f2f2f;--muted:#5d5d5d;--blue:#12a7eb;--footer:#252d3d}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;background:#e8edf1}a{color:inherit;text-decoration:none}button{font:inherit}.lt-header{position:absolute;z-index:20;top:0;left:0;width:100%;height:var(--header);min-width:952px;background:rgba(20,23,25,.78);color:#fff}.lt-header__inner{display:flex;align-items:center;height:100%;max-width:1200px;margin:auto}.lt-logo{display:flex;align-items:center;width:180px;height:100%;margin-right:auto}.lt-logo img{width:158px;height:62px;object-fit:contain}.lt-nav{display:flex;align-items:stretch;height:100%}.lt-nav a{display:flex;align-items:center;justify-content:center;min-width:128px;padding:0 26px;font-size:16px;transition:.2s}.lt-nav a:hover,.lt-nav a:focus-visible{color:var(--blue);background:#1a1a1a}.lt-products{display:flex;flex:0 0 110px;flex-direction:column;align-items:center;justify-content:center;height:100%;background:var(--blue);font-size:16px}.lt-products i,.lt-menu span{display:block}.lt-products i{position:relative;width:34px;height:24px;margin-bottom:8px;border-top:3px solid #fff;border-bottom:3px solid #fff}.lt-products i:after{position:absolute;top:8px;left:0;width:34px;border-top:3px solid #fff;content:""}.lt-menu{display:none}.lt-stage{position:relative;height:var(--stage);min-height:760px;overflow:hidden;background:#e9eef2}.lt-backdrop{position:absolute;inset:0;background:url(../assets/images/bg1.jpg) center top/cover no-repeat}.lt-sidebar{position:absolute;z-index:4;top:0;left:0;width:421px;height:100%;background:url(../assets/images/sidebar.png) left top/421px 1080px no-repeat;pointer-events:none}.lt-viewport{position:absolute;z-index:3;top:var(--header);right:0;bottom:0;left:var(--rail);overflow:hidden;touch-action:pan-y}.lt-track{position:absolute;top:0;left:0;display:flex;width:calc(var(--count) * var(--card));height:100%;will-change:transform;transform:translate3d(0,0,0)}.lt-card{position:relative;z-index:2;flex:0 0 var(--card);height:100%}.lt-card>a{position:relative;display:block;width:100%;height:100%;padding:0 52px;border-right:1px solid rgba(123,134,142,.5)}.lt-copy{position:relative;z-index:2;height:100%}.lt-copy h2,.lt-copy h3,.lt-copy p{margin:0;transition:color .45s ease}.lt-copy h2{padding-top:58px;font-size:28px;line-height:58px}.lt-copy h3{position:relative;color:var(--muted);font-size:28px;line-height:1.15}.lt-copy h3:after{position:absolute;top:43px;left:0;width:24px;height:4px;background:#929598;content:"";transition:background .45s ease}.lt-number{position:absolute;top:76px;right:-4px;color:var(--muted);font-size:18px;font-style:normal;transition:color .45s ease}.lt-copy p{padding-top:458px;color:var(--muted);font-size:14px;line-height:24px}.lt-enter{position:absolute;bottom:204px;left:0;width:160px;height:36px;border:1px solid #bdbfc1;border-radius:5px;color:var(--muted);font-size:16px;line-height:34px;text-align:center;background:transparent;transition:.45s ease}.lt-enter i{display:inline-block;width:0;height:0;margin-right:4px;border:8px solid transparent;border-left-color:#9da0a2;vertical-align:-3px;transition:border-color .45s ease}.lt-art{position:absolute;z-index:1;top:0;left:0;width:388px;height:598px;pointer-events:none}.lt-art img{display:block;width:388px;height:598px;object-fit:contain}.lt-hover-bg{position:absolute;z-index:1;top:0;left:0;width:var(--card);height:100%;opacity:0;transition:opacity .35s ease,transform .45s ease,background .35s ease;pointer-events:none}.lt-card.is-active h2,.lt-card.is-active h3,.lt-card.is-active p,.lt-card.is-active .lt-number{color:#fff}.lt-card.is-active .lt-copy h3:after{background:#fff}.lt-card.is-active .lt-enter{border-color:#fff;background:#fff}.lt-card.is-active .lt-art{animation:lt-rise .7s both}.lt-progress{display:none}.lt-footer{min-height:310px;background:var(--footer);color:#fff}.lt-footer__inner{max-width:1000px;margin:auto;padding:44px 0 34px}.lt-footer__brand{display:flex;align-items:center;padding-bottom:27px;border-bottom:1px solid rgba(255,255,255,.16);font-size:27px}.lt-mark{margin-right:13px;color:#fff;font-size:36px;transform:rotate(45deg)}.lt-footer__links{float:right;margin-top:-50px}.lt-footer__links a{margin-left:22px;color:#36a5d7;font-size:13px}.lt-footer p{margin:13px 0 0;font-size:13px;line-height:1.5}.lt-footer__inner>p:first-of-type{margin-top:26px}@keyframes lt-rise{from{opacity:.25;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1100px){:root{--rail:280px}.lt-header{min-width:0}.lt-header__inner{padding-left:22px}.lt-logo{width:165px}.lt-nav a{min-width:auto;padding:0 18px}.lt-sidebar{left:-80px}.lt-footer__inner{padding-right:28px;padding-left:28px}}
@media(max-width:820px){:root{--header:68px;--stage:auto;--card:min(86vw,388px)}.lt-header{position:fixed;height:var(--header);background:rgba(23,27,31,.96)}.lt-header__inner{padding:0 16px}.lt-logo{width:auto;margin-right:auto}.lt-logo img{width:126px;height:auto}.lt-products{display:none}.lt-menu{display:flex;width:48px;height:48px;padding:8px;flex-direction:column;align-items:center;justify-content:center;border:0;background:transparent;color:#fff;cursor:pointer}.lt-menu span{width:25px;margin:2px 0;border-top:2px solid}.lt-menu b{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.lt-nav{position:fixed;top:var(--header);right:0;left:0;display:none;height:auto;padding:10px;background:rgba(23,27,31,.98);box-shadow:0 12px 24px rgba(0,0,0,.2)}.lt-nav.is-open{display:grid;grid-template-columns:1fr 1fr}.lt-nav a{min-height:48px}.lt-stage{height:auto;min-height:0;padding-top:var(--header);overflow:visible;background:#eef2f5}.lt-backdrop,.lt-sidebar{display:none}.lt-viewport{position:relative;inset:auto;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}.lt-track{position:relative;display:flex;width:calc(var(--count) * var(--card));height:760px;transform:none!important}.lt-card{scroll-snap-align:start}.lt-card>a{padding:0 40px}.lt-copy h2{padding-top:45px;font-size:26px}.lt-copy p{padding-top:418px}.lt-enter{bottom:92px}.lt-art,.lt-art img{width:100%;height:auto;max-height:560px;object-fit:contain}.lt-progress{position:sticky;bottom:12px;left:8%;display:block;width:84%;height:3px;border-radius:3px;background:rgba(37,45,61,.14)}.lt-progress i{display:block;width:12%;height:100%;border-radius:3px;background:var(--blue);transform-origin:left center}.lt-footer__inner{padding:34px 22px}.lt-footer__links{float:none;margin:22px 0 0}.lt-footer__links a{display:inline-block;margin:0 16px 9px 0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.lt-hover-bg,.lt-copy h2,.lt-copy h3,.lt-copy p,.lt-number,.lt-enter{transition:none}.lt-card.is-active .lt-art{animation:none}}
.lt-stage{background:var(--stage-color,#e9eef2)}.lt-backdrop{background-image:var(--stage-image);background-position:center top;background-size:cover;background-repeat:no-repeat}.lt-sidebar{background-image:var(--sidebar-image);background-position:left top;background-size:421px 1080px;background-repeat:no-repeat}
.lt-downloads{position:absolute;z-index:6;bottom:136px;left:52px;display:grid;width:284px;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.lt-download{position:relative;display:flex;align-items:center;min-width:0;height:48px;padding:5px 6px;border:1px solid rgba(120,130,138,.32);border-radius:8px;color:#384047;background:rgba(255,255,255,.82);box-shadow:0 5px 14px rgba(28,38,46,.08);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}.lt-download:before{position:absolute;inset:0;opacity:.08;content:"";background:currentColor}.lt-download>i{position:relative;z-index:1;display:flex;flex:0 0 29px;align-items:center;justify-content:center;width:29px;height:29px;margin-right:5px;border-radius:7px;color:#fff;font-size:13px;font-weight:800;font-style:normal;line-height:1}.lt-download>span{position:relative;z-index:1;display:flex;min-width:0;flex-direction:column}.lt-download strong{overflow:hidden;font-size:11px;line-height:16px;white-space:nowrap;text-overflow:ellipsis}.lt-download small{font-size:9px;line-height:12px;opacity:.68;white-space:nowrap}.lt-download--android{color:#159447}.lt-download--android>i{background:linear-gradient(145deg,#55d36a,#159447)}.lt-download--ios{color:#252a31}.lt-download--ios>i{background:linear-gradient(145deg,#69727e,#171a1f)}.lt-download--mini{color:#078ccc}.lt-download--mini>i{background:linear-gradient(145deg,#26b9f4,#057cb5)}.lt-download:hover,.lt-download:focus-visible{z-index:2;border-color:currentColor;box-shadow:0 9px 20px rgba(28,38,46,.18);outline:none;transform:translateY(-3px)}.lt-download:active{transform:translateY(-1px) scale(.98)}.lt-card.is-active .lt-download{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.93)}
@media(max-width:820px){.lt-viewport{touch-action:pan-x pan-y;overscroll-behavior-x:contain;scroll-behavior:smooth}.lt-track{min-width:max-content}.lt-card{touch-action:pan-x pan-y}.lt-card-main{-webkit-user-drag:none}.lt-art img{-webkit-user-drag:none;user-select:none}.lt-copy p{padding-bottom:124px}.lt-enter{bottom:114px;width:100%}.lt-downloads{bottom:48px;left:40px;width:calc(100% - 80px);gap:6px}.lt-download{height:56px;padding:6px 7px;border-radius:10px}.lt-download>i{flex-basis:32px;width:32px;height:32px}.lt-download strong{font-size:12px}.lt-download small{font-size:9px}}

/* Unified official/download action buttons */
.lt-actions{position:absolute;z-index:7;bottom:124px;left:52px;display:grid;width:284px;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.lt-action{display:flex;align-items:center;justify-content:center;min-width:0;height:36px;padding:0 10px;border:1px solid #bdbfc1;border-radius:5px;color:var(--muted);font-size:14px;line-height:34px;text-align:center;background:rgba(255,255,255,.08);transition:color .25s ease,border-color .25s ease,background .25s ease,transform .2s ease}.lt-action i{display:inline-block;width:0;height:0;margin-right:5px;border:7px solid transparent;border-left-color:#9da0a2;transition:border-color .25s ease}.lt-action span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.lt-action:hover,.lt-action:focus-visible{border-color:#80878c;color:#353a3e;background:rgba(255,255,255,.75);outline:none;transform:translateY(-2px)}.lt-action:active{transform:translateY(0)}.lt-card.is-active .lt-action{border-color:rgba(255,255,255,.82);color:#fff;background:transparent}.lt-card.is-active .lt-action i{border-left-color:#fff}.lt-card.is-active .lt-action:hover,.lt-card.is-active .lt-action:focus-visible{border-color:#fff;color:var(--card-accent);background:#fff}.lt-card.is-active .lt-action:hover i,.lt-card.is-active .lt-action:focus-visible i{border-left-color:var(--card-accent)}
@media(max-width:820px){.lt-track{height:820px}.lt-copy p{padding-bottom:148px}.lt-actions{bottom:42px;left:40px;width:calc(100% - 80px);gap:8px}.lt-action{height:42px;padding:0 8px;font-size:14px;line-height:40px;background:rgba(255,255,255,.48)}.lt-action i{margin-right:3px;border-width:6px}.lt-card.is-active .lt-action{background:rgba(255,255,255,.12)}}

/* Mini-program QR popover: official + mini on the first row */
.lt-mini-wrap{position:relative;min-width:0}.lt-mini-wrap>.lt-action{width:100%;font:inherit;cursor:pointer}.lt-mini-popover{position:absolute;right:0;bottom:calc(100% + 12px);width:218px;padding:12px;border:1px solid rgba(74,84,92,.18);border-radius:10px;color:#4f5961;text-align:center;background:rgba(255,255,255,.97);box-shadow:0 14px 34px rgba(28,38,46,.22);opacity:0;visibility:hidden;transform:translateY(8px) scale(.97);transform-origin:right bottom;transition:opacity .2s ease,visibility .2s ease,transform .2s ease;pointer-events:none}.lt-mini-popover:after{position:absolute;right:58px;bottom:-7px;width:12px;height:12px;border-right:1px solid rgba(74,84,92,.18);border-bottom:1px solid rgba(74,84,92,.18);background:#fff;content:"";transform:rotate(45deg)}.lt-mini-popover img{display:block;width:192px;height:192px;border-radius:5px;object-fit:cover}.lt-mini-popover small{position:relative;z-index:1;display:block;padding-top:9px;font-size:12px}.lt-mini-empty{display:flex;align-items:center;justify-content:center;min-height:96px;padding:10px;color:#7a838a;font-size:12px;line-height:1.7}.lt-mini-wrap:hover .lt-mini-popover,.lt-mini-wrap.is-open .lt-mini-popover{opacity:1;visibility:visible;transform:translateY(0) scale(1);pointer-events:auto}
@media(max-width:820px){.lt-mini-popover{position:fixed;z-index:40;right:auto;bottom:auto;top:50%;left:50%;width:240px;padding:14px;transform:translate(-50%,-46%) scale(.96);transform-origin:center}.lt-mini-popover:after{display:none}.lt-mini-popover img{width:210px;height:210px}.lt-mini-wrap:hover .lt-mini-popover{opacity:0;visibility:hidden;transform:translate(-50%,-46%) scale(.96);pointer-events:none}.lt-mini-wrap.is-open .lt-mini-popover{opacity:1;visibility:visible;transform:translate(-50%,-50%) scale(1);pointer-events:auto}.lt-mini-wrap.is-open:after{position:fixed;z-index:39;inset:0;background:rgba(21,27,32,.54);content:""}}

/* Simplified game heading, configurable footer logo and consistent art/description rhythm */
.lt-hero{position:relative;height:598px}.lt-hero .lt-art{left:-52px}.lt-copy{height:598px}.lt-copy h2{position:relative;padding-top:58px;line-height:1.28}.lt-copy h2:after{position:absolute;top:105px;left:0;width:24px;height:4px;background:#929598;content:"";transition:background .45s ease}.lt-description{position:relative;z-index:2;margin:0;padding-top:28px!important;color:var(--muted);font-size:14px;line-height:24px;transition:color .45s ease}.lt-card.is-active .lt-description{color:#fff}.lt-card.is-active .lt-copy h2:after{background:#fff}.lt-footer__brand img{display:block;width:auto;max-width:190px;height:62px;object-fit:contain;object-position:left center}
@media(max-width:820px){.lt-hero{height:560px;min-height:560px}.lt-hero .lt-art{left:-40px;width:calc(100% + 80px)}.lt-hero .lt-art img{width:100%;height:560px;max-height:none}.lt-copy{height:560px}.lt-copy h2{padding-top:45px}.lt-copy h2:after{top:91px}.lt-description{padding-top:28px!important;padding-bottom:0!important;font-size:14px;line-height:24px}.lt-footer__brand img{max-width:172px;height:54px}}

/* Navigation removed; desktop title lifted 20px; optional artwork logo */
.lt-header__inner{justify-content:flex-start}.lt-logo{margin-right:0}.lt-nav,.lt-menu,.lt-products{display:none!important}.lt-copy h2{padding-top:38px}.lt-copy h2:after{top:85px}.lt-art-logo{position:absolute;z-index:3;bottom:18px;left:0;display:block;width:auto;max-width:230px;height:auto;max-height:104px;object-fit:contain;object-position:left bottom;pointer-events:none}.lt-card.is-active .lt-art-logo{animation:lt-rise .7s both}
@media(max-width:820px){.lt-copy h2{padding-top:45px}.lt-copy h2:after{top:91px}.lt-art-logo{bottom:18px;left:0;max-width:72%;max-height:92px}}

/* Keep the popup above neighboring cards and give non-links the same card layout. */
.lt-card.is-popup-open{z-index:50}.lt-card-main{position:relative;display:block;width:100%;height:100%;padding:0 52px;border-right:1px solid rgba(123,134,142,.5)}.lt-mini-popover{z-index:40}.lt-action--unavailable{cursor:default;opacity:.82}.lt-action--unavailable:hover,.lt-action--unavailable:focus-visible{transform:none}.lt-footer__links .lt-link-placeholder{margin-left:22px;color:#36a5d7;font-size:13px}
@media(max-width:820px){.lt-card-main{padding:0 40px}.lt-footer__links .lt-link-placeholder{display:inline-block;margin:0 16px 9px 0}}