.game-page{background:#f6f8ff}.game-back{color:var(--muted);font-size:14px;text-decoration:none}.game-back:hover{color:var(--blue)}.game-shell{padding:54px 0 75px}.game-intro{text-align:center}.game-intro h1{margin:13px 0 5px;color:var(--navy);font-size:clamp(33px,5vw,56px);letter-spacing:-.06em}.game-intro p:last-child{margin:0;color:var(--muted);font-size:16px}.game-panel{max-width:850px;margin:32px auto 0;padding:20px;border:1px solid #d8e1f6;border-radius:22px;background:#fff;box-shadow:0 18px 35px #cbd6ef88}.scorebar{display:grid;grid-template-columns:repeat(4,auto) 1fr;align-items:center;gap:12px;padding:0 7px 14px;color:#7180a0;font:13px Consolas,"Microsoft YaHei",monospace}.scorebar b{color:var(--navy);font-size:18px}.scorebar span:last-child{text-align:right;color:#5474c2}.canvas-wrap{position:relative;overflow:hidden;border:2px solid var(--navy);border-radius:15px;background:#122250}.canvas-wrap canvas{display:block;width:100%;height:auto;aspect-ratio:760 / 470}.game-message{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;padding:20px;text-align:center;color:#fff;background:#132354d9}.game-message[hidden]{display:none!important}.game-message strong{font-size:27px}.game-message span{color:#cbd7ff;font-size:14px}.game-message button{margin-top:12px;padding:11px 22px;border:0;border-radius:10px;color:#fff;background:#4f7df3;font:700 14px "Microsoft YaHei",sans-serif;cursor:pointer;box-shadow:0 5px 0 #3154b7}.game-message button:active{transform:translateY(3px);box-shadow:0 2px 0 #3154b7}.seed-bar{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:15px}.seed-button{display:grid;grid-template-columns:36px 1fr;grid-template-rows:1fr 1fr;column-gap:8px;align-items:center;padding:8px 12px;border:1px solid #d5def3;border-radius:12px;color:var(--navy);background:#f6f8ff;text-align:left;cursor:pointer;transition:transform .18s,border-color .18s,background .18s}.seed-button:hover{transform:translateY(-2px);border-color:#8ba7eb}.seed-button.selected{border:2px solid #4f7df3;background:#eaf0ff}.seed-button span{grid-row:1 / span 2;font-size:26px;text-align:center}.seed-button b{font-size:13px}.seed-button small{color:#7886a4;font-size:11px}.game-tip{margin:15px 0 0;text-align:center;color:#8793ad;font-size:12px}.game-page footer{align-items:center}.game-page footer a{color:#62729b;text-decoration:none;font-size:13px}@media(max-width:760px){.game-shell{padding:39px 0 53px}.game-panel{margin-top:25px;padding:11px;border-radius:16px}.scorebar{grid-template-columns:repeat(4,1fr);gap:4px;padding:0 3px 10px;font-size:10px}.scorebar span{text-align:center}.scorebar span:last-child{grid-column:1 / -1;text-align:center;font-size:11px}.scorebar b{font-size:15px}.seed-bar{gap:5px}.seed-button{grid-template-columns:1fr;grid-template-rows:auto auto auto;justify-items:center;padding:7px 3px;text-align:center}.seed-button span{grid-row:auto;font-size:22px}.seed-button b{font-size:11px}.seed-button small{font-size:9px}.game-tip{line-height:1.6}.game-page footer{display:block}.game-page footer a{display:inline-block;margin-top:8px}}