:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at top, #fff8e6 0, #f0c78d 100%); color: #69431f; }
.shell { min-height: 100vh; display: grid; place-items: center; align-content: center; gap: 12px; padding: 14px; }
#game { display: block; width: min(100%, 430px); height: auto; max-height: calc(100vh - 58px); object-fit: contain; border-radius: 28px; box-shadow: 0 18px 44px rgba(86, 49, 25, .28); touch-action: manipulation; background: #f7dfbd; }
.hint { margin: 0; max-width: 430px; text-align: center; font-size: 13px; line-height: 1.45; color: #704a28; }