@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323&display=swap');
*{box-sizing:border-box}body{margin:0;background:#07111d;color:#effbff;font-family:"VT323","Microsoft YaHei",monospace;font-size:21px}.guide{min-height:100vh;padding-bottom:72px;background:linear-gradient(#081322c7,#07111df2),url("game-cover.webp") top center/100% auto no-repeat}.hero{height:370px;position:relative;display:grid;place-items:center;text-align:center;background:linear-gradient(#07111d10,#07111db8)}.back{position:absolute;top:22px;left:24px;padding:9px 13px;background:#0a1c2cdd;border:2px solid #4ce5ff;color:#dffaff;text-decoration:none}.hero-copy p{margin:0;color:#72eaff;letter-spacing:4px}.hero h1{margin:18px 0;font:38px "Press Start 2P","Microsoft YaHei",monospace;color:#fff;line-height:1.4;text-shadow:4px 4px #153d5a}.hero h2{margin:0;color:#dbf6ff;font-size:27px}.intro,.grid,.tools,.play{width:min(980px,calc(100% - 32px));margin-left:auto;margin-right:auto}.intro{margin-top:-30px;position:relative;padding:18px 26px;background:#10283de8;border:2px solid #4fbce0;box-shadow:6px 6px #02070c}.intro h2,.tools h2{margin:0;color:#7cf1ff;font:18px "Press Start 2P","Microsoft YaHei",monospace}.intro p{margin:10px 0 0}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:24px}.grid article{min-height:165px;padding:22px;background:#0d202f;border:2px solid #315975;box-shadow:4px 4px #02070c}.grid i{display:block;color:#63e9ff;font:18px "Press Start 2P",monospace}.grid h3{margin:12px 0 5px;font-size:28px;color:#fff}.grid p{margin:0;color:#c2dce9}.tools{margin-top:24px;padding:22px;background:#1c2e25;border:2px solid #6bb64b}.tool-row{display:flex;gap:12px;margin-top:18px}.tool-row div{flex:1;padding:13px;background:#0a171c;border:1px solid #4b6975}.tool-row b{display:block;color:#ffdf70;font-size:24px}.tool-row span{color:#c8e6ec}.play{display:block;margin-top:28px;padding:17px;text-align:center;text-decoration:none;background:#138ac3;border:3px solid #5ceaff;border-right-color:#075176;border-bottom-color:#075176;color:#fff;font:18px "Press Start 2P","Microsoft YaHei",monospace;box-shadow:6px 6px #03131c}@media(max-width:650px){.hero{height:300px}.hero h1{font-size:25px}.hero h2{font-size:21px;padding:0 14px}.grid{grid-template-columns:1fr}.tool-row{flex-direction:column}.guide{background-size:auto 360px}.back{left:12px;top:12px}}