:root{--blue:#123b59;--blue2:#1e6289;--pale:#eef7fb;--gold:#e8b735;--text:#173247;--muted:#6b7e8c;--line:#d9e7ee}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--text);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif}a{text-decoration:none;color:inherit}.topbar{height:74px;padding:0 6vw;display:flex;align-items:center;border-bottom:1px solid var(--line);background:#fffc;backdrop-filter:blur(16px);position:sticky;top:0;z-index:20}.brand{font-size:21px;font-weight:900}.brand span{color:var(--gold)}.desktop-nav{display:flex;gap:30px;margin-left:auto;margin-right:34px;font-size:14px}.desktop-nav a{color:#526b7c}.desktop-nav .active{color:var(--blue);font-weight:900}.download-top,.primary{padding:13px 21px;border-radius:9px;background:var(--gold);color:#17212a;font-weight:900}.mobile-nav{display:none}.hero{min-height:560px;display:grid;grid-template-columns:.85fr 1.15fr;align-items:center;overflow:hidden;background:linear-gradient(125deg,#103851,#1c648c);color:#fff}.hero-copy{padding:80px 0 80px 7vw;position:relative;z-index:2}.hero-copy small,.section-title small,.about-copy>small{font-size:11px;letter-spacing:3px;color:#f1c442;font-weight:900}.hero-copy h1{font-size:56px;line-height:1.15;margin:16px 0}.hero-copy h1 em{font-style:normal;color:#f0c23e}.hero-copy p{max-width:560px;color:#d4e5ee;line-height:1.85;font-size:17px}.hero-copy .primary{display:inline-flex;margin-top:20px}.note{display:block;color:#b7ccd8;font-size:12px;margin-top:13px}.hero-art{height:100%;position:relative}.hero-art:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#185c82 0,transparent 30%)}.hero-art img{width:100%;height:100%;object-fit:cover;display:block}.games-section{width:min(1220px,92vw);margin:auto;padding:90px 0}.section-title{text-align:center;margin-bottom:28px}.section-title h2,.about-copy h2{font-size:38px;margin:11px 0}.section-title p,.about-copy p{color:var(--muted);line-height:1.8}.filters{display:flex;justify-content:center;gap:8px;margin:0 0 28px}.filters button{border:1px solid var(--line);border-radius:22px;padding:10px 16px;background:#fff;color:#526b7c;cursor:pointer}.filters button.active{background:var(--blue);color:#fff;border-color:var(--blue)}.game-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.game{overflow:hidden;border:1px solid var(--line);border-radius:15px;background:#fff;box-shadow:0 12px 30px #123b590f}.game[hidden]{display:none}.game img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}.game>div{padding:17px}.game small{color:#bb8d16;font-weight:800}.game h3{margin:7px 0;font-size:18px}.game p{color:var(--muted);font-size:13px;line-height:1.6;min-height:42px}.game a{color:var(--blue2);font-weight:900;font-size:13px}.about{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:90px max(5vw,24px);background:var(--pale)}.collection img{width:100%;display:block;border-radius:20px;box-shadow:0 20px 45px #103a5424}.about-copy{max-width:620px}.tip{padding:18px;border-left:4px solid var(--gold);background:#fff;border-radius:4px 12px 12px 4px;margin:22px 0}.tip b{display:block;color:#b48613;margin-bottom:6px}.tip span{color:var(--muted);font-size:13px;line-height:1.6}.about ol{list-style:none;padding:0;margin:24px 0}.about li{padding:12px 0;border-bottom:1px solid #cadde6}.about li b{color:var(--gold);margin-right:14px}.about .primary{display:inline-flex}footer{text-align:center;padding:44px;background:#fff}footer p{color:var(--muted);font-size:13px}footer small{color:#8495a1}@media(max-width:850px){.desktop-nav{display:none}.topbar{height:64px;padding:0 18px}.download-top{margin-left:auto;padding:10px 14px;font-size:13px}.mobile-nav{position:sticky;top:64px;z-index:19;display:flex;overflow-x:auto;gap:8px;padding:9px 14px;background:#fff;border-bottom:1px solid var(--line);scrollbar-width:none}.mobile-nav a{white-space:nowrap;padding:8px 13px;border-radius:22px;background:#edf4f7;font-size:12px}.mobile-nav .active{background:var(--blue);color:#fff}.hero{display:block;min-height:640px;position:relative}.hero-art{position:absolute;inset:0}.hero-art:after{background:linear-gradient(180deg,#1038511a 10%,#103851d9 58%,#103851 100%)}.hero-copy{padding:340px 22px 54px}.hero-copy h1{font-size:39px}.hero-copy p{font-size:14px}.games-section{padding:60px 0}.section-title h2,.about-copy h2{font-size:29px}.filters{justify-content:flex-start;overflow-x:auto;padding-bottom:6px}.filters button{white-space:nowrap}.game-grid{grid-template-columns:1fr 1fr;gap:10px}.game>div{padding:12px}.game h3{font-size:16px}.game p{display:none}.about{grid-template-columns:1fr;gap:30px;padding:58px 20px}.about-copy{max-width:none}}@media(max-width:390px){.game-grid{grid-template-columns:1fr}.game p{display:block}}