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var(--win-order)*.12s) both;pointer-events:none;font-size:clamp(10px,2.2vw,22px);line-height:1;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)scale(0)}.stone.white.winning:before{color:#bf7b63;text-shadow:0 1px 2px #fff}.stone.winning.last:after{display:none}@keyframes winning-stone{0%{transform:var(--stone-lift) scale(.72)}55%{transform:var(--stone-lift) scale(1.22);filter:drop-shadow(0 0 8px #ffe78b)}to{transform:var(--stone-lift);filter:drop-shadow(0 0 5px #fff2a6)}}@keyframes winning-flower{0%{opacity:0;transform:translate(-50%,-50%)scale(0)rotate(-25deg)}60%{opacity:1;transform:translate(-50%,-50%)scale(1.35)rotate(8deg)}to{opacity:1;transform:translate(-50%,-50%)scale(1)rotate(0)}}@keyframes series-arrive{0%{opacity:0;transform:translateY(-5px)scale(.92)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.gomoku-board-shell,.gomoku-board-shell .gomoku-board,.series-badge,.stone.winning,.stone.winning:before{transition:none;animation:none}}@media (width<=760px){.game-clocks{gap:5px}.game-clocks>div{gap:2px 5px;padding:8px 6px}.game-clocks strong{font-size:14px}.game-clocks .move-clock strong{font-size:21px}.negotiation{margin:12px 0 0}}.game-picker{flex-wrap:wrap;gap:9px;display:flex}.game-picker button{align-items:center;gap:8px;padding:9px 14px;display:flex}.game-picker button.active{color:#567442;background:#edf5e5;border-color:#71945a}.game-picker b{font-size:18px}.snake-play{width:min(100%,720px);margin:20px auto 0}.snake-scoreboard{grid-template-columns:1fr 1.15fr 1fr;gap:8px;margin-bottom:10px;display:grid}.snake-scoreboard>div{border:1px solid var(--line);background:#fff;border-radius:12px;min-height:68px;padding:10px}.snake-score{grid-template-columns:auto 1fr;align-items:center;gap:2px 8px;display:grid}.snake-score.mine{background:#f1f7eb;border-color:#86a76e}.snake-score>span{border-radius:6px;grid-row:1/3;width:16px;height:16px;box-shadow:0 2px 5px #0004}.snake-score.black>span{background:linear-gradient(135deg,#9dd55c,#3c7d3b)}.snake-score.white>span{background:linear-gradient(135deg,#ffe982,#d29a2f)}.snake-score small,.snake-round small,.snake-round span{color:var(--muted);font-size:10px}.snake-score strong{font-size:22px}.snake-round{flex-direction:column;justify-content:center;align-items:center;display:flex}.snake-round strong{font-size:22px}.snake-stage{aspect-ratio:4/3;background-color:#17241c;background-image:linear-gradient(#fff1 1px,#0000 1px),linear-gradient(90deg,#fff1 1px,#0000 1px),radial-gradient(circle at 50% 40%,#294332,#142019 75%);background-size:calc(100%/var(--cols)) calc(100%/var(--rows)),calc(100%/var(--cols)) calc(100%/var(--rows)),100% 100%;touch-action:none;border:8px solid #324537;border-radius:18px;width:100%;position:relative;overflow:hidden;box-shadow:inset 0 0 35px #0008,0 9px #203127,0 20px 32px #263a2b40}.snake-segment,.snake-food{width:calc(100%/var(--cols));height:calc(100%/var(--rows));transition:left calc(var(--tick-ms)*.88) linear,top calc(var(--tick-ms)*.88) linear;pointer-events:none;position:absolute}.snake-segment{z-index:3;background:linear-gradient(135deg,#aee568,#438e43);border:2px solid #17331c;border-radius:30%;box-shadow:inset -3px -3px 4px #17401e80,0 3px 5px #0005}.snake-segment.white{background:linear-gradient(135deg,#fff29a,#dfa630);border-color:#704f15;box-shadow:inset -3px -3px 4px #9b651b75,0 3px 5px #0005}.snake-segment.head{z-index:4;filter:saturate(1.15)brightness(1.08);border-radius:42%}.snake-segment.head i:before,.snake-segment.head i:after{content:"";aspect-ratio:1;background:#172118;border-radius:50%;width:16%;position:absolute;top:20%}.snake-segment.head i:before{left:22%}.snake-segment.head i:after{right:22%}.snake-segment.dead{filter:grayscale(.6);opacity:.72}.snake-food{z-index:2;color:#ff6d58;text-shadow:0 0 8px #ffb09a;place-items:center;font-size:clamp(12px,2.4vw,23px);animation:.8s ease-in-out infinite alternate snake-food-pulse;display:grid}.snake-overlay{z-index:8;text-align:center;color:#fff;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#13201999;place-content:center;display:grid;position:absolute;inset:0}.snake-overlay strong{font-size:clamp(52px,12vw,96px);line-height:1}.snake-overlay small{letter-spacing:.15em;margin-top:8px}.snake-overlay.paused strong{font-size:45px}.snake-overlay.finished{background:#172119b8}.snake-controls{grid-template-rows:repeat(2,48px);grid-template-columns:repeat(3,52px);justify-content:center;gap:7px;margin:20px auto 8px;display:grid}.snake-controls button{padding:0;font-size:24px}.snake-controls button:first-child{grid-column:2}.snake-controls button:nth-child(2){grid-area:2/1}.snake-controls button:nth-child(3){grid-area:2/2}.snake-controls button:nth-child(4){grid-area:2/3}.snake-hint{text-align:center;color:var(--muted);margin:8px auto 0;font-size:11px;line-height:1.7}@keyframes snake-food-pulse{to{filter:brightness(1.25);transform:scale(1.28)}}@media (prefers-reduced-motion:reduce){.snake-segment{transition:none}.snake-food{animation:none}}@media (width<=760px){.game-picker{width:100%}.game-picker button{flex:1;justify-content:center}.snake-play{margin-top:13px}.snake-stage{border-width:5px;border-radius:12px}.snake-scoreboard{gap:5px}.snake-scoreboard>div{min-height:60px;padding:8px 6px}.snake-score strong,.snake-round strong{font-size:18px}.snake-controls{margin-top:16px}}