:root{font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:#352b29;background:#fff6f1}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 10% 8%,#ffe0cf,transparent 28rem),#fff8f4}.game-page{max-width:900px;min-height:100vh;margin:auto;padding:25px}header{display:flex;justify-content:space-between;align-items:center;color:#8c7066}header a{color:#a15d4c;text-decoration:none;font-size:14px}.brand{font-weight:800;color:#40312d}.game-card{position:relative;max-width:540px;margin:9vh auto 0;padding:30px;border:1px solid #f0ddd3;border-radius:28px;background:#fffdfb;box-shadow:0 20px 60px #a96b511c}.intro{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.eyebrow{margin:0;color:#cf826c;font-size:10px;font-weight:800;letter-spacing:1.2px}.intro h1{margin:5px 0;font-size:48px;letter-spacing:-2px}.intro p:not(.eyebrow){margin:0;color:#8d7870;font-size:14px}.scores{display:flex;gap:8px}.scores div{min-width:62px;padding:8px 7px;border-radius:12px;background:#fff0e8;color:#b16d5a;font-size:10px;text-align:center}.scores strong{display:block;margin-top:2px;color:#593e36;font-size:17px}.board{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:28px;padding:10px;border-radius:18px;background:#f4d7c8;outline:none}.tile{display:grid;aspect-ratio:1;place-items:center;border-radius:12px;background:#f9e8df;color:#795b51;font-size:28px;font-weight:800;transition:transform .1s}.tile.v2{background:#fff6ef}.tile.v4{background:#ffe4d1}.tile.v8{background:#ffc39f;color:#fff}.tile.v16{background:#ffad85;color:#fff}.tile.v32{background:#f98d6f;color:#fff}.tile.v64{background:#f4775b;color:#fff}.tile.v128,.tile.v256{background:#d96b5d;color:#fff}.tile.v512,.tile.v1024,.tile.v2048{background:#a94f50;color:#fff;font-size:23px}.notice{position:absolute;z-index:2;inset:0;display:grid;place-content:center;gap:12px;border-radius:28px;background:#fffaf8e8;text-align:center;backdrop-filter:blur(4px)}.notice.hidden{display:none}.notice strong{font-size:30px}.notice span{color:#806b63}.notice button,.actions button{border:0;border-radius:11px;padding:10px 15px;background:#ef7559;color:#fff;font:inherit;cursor:pointer}.actions{display:flex;justify-content:space-between;align-items:center;margin-top:19px;color:#a18b82;font-size:12px}@media(max-width:560px){.game-page{padding:16px}.game-card{margin-top:5vh;padding:20px}.intro h1{font-size:40px}.tile{font-size:23px}.board{gap:7px;padding:7px}.actions span{display:none}}