.dong-choi .xd21{position:relative;isolation:isolate;container-type:inline-size;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:clamp(12px,2.4vw,30px);width:100%;max-width:1140px}.dong-choi .xd21:before{content:"";position:absolute;z-index:-1;left:4%;right:4%;top:50%;height:150px;margin-top:-60px;border-radius:50%;background:radial-gradient(closest-side,#49d6b024,#49d6b000);pointer-events:none}.dong-choi .xd21-start{position:relative;display:grid;justify-items:center;gap:4px;isolation:isolate}.dong-choi .xd21-start:before{content:"";position:absolute;z-index:-1;inset:-30px -40px;background:radial-gradient(closest-side,#ff9a4a3d,#ff9a4a00);pointer-events:none}.dong-choi .xd21-lamp{width:150px;filter:drop-shadow(0 0 28px #ff9a4a88)}.dong-choi .xd21-total{margin-top:-14px;font-size:64px;font-weight:700;line-height:1;color:var(--gold);font-variant-numeric:tabular-nums;text-shadow:0 0 22px #e8c77866,0 3px 0 #0009}.dong-choi .xd21-total.bump{animation:xd21-bump .35s ease}.dong-choi .xd21-start small{padding:2px 10px;border-radius:999px;background:#071b2699;font-size:12.5px;color:#cfe3e0}.dong-choi .xd21-stones{display:flex;flex-wrap:nowrap;justify-content:center;align-items:center;gap:12px;padding:30px 0}.dong-choi .xd21-stone{--y: 0px;translate:0 var(--y);position:relative;flex:0 1 128px;min-width:60px;aspect-ratio:1;padding:0;border:0;border-radius:50%;background:none;cursor:pointer;transition:transform .25s cubic-bezier(.3,1.4,.5,1),opacity .3s,filter .25s}.dong-choi .xd21-stone:nth-child(1){--y: 22px}.dong-choi .xd21-stone:nth-child(2){--y: 6px}.dong-choi .xd21-stone:nth-child(3){--y: -6px}.dong-choi .xd21-stone:nth-child(4){--y: -14px}.dong-choi .xd21-stone:nth-child(5){--y: -20px}.dong-choi .xd21-stone:nth-child(6){--y: -24px}.dong-choi .xd21-stone:before{content:"";position:absolute;inset:8% 4% -4%;border-radius:50%;background:radial-gradient(closest-side,#f3c97a00,#f3c97a00);transition:background .25s;pointer-events:none}.dong-choi .xd21-stone:hover:not(:disabled){transform:translateY(-5px) scale(1.05)}.dong-choi .xd21-stone:hover:not(:disabled):before,.dong-choi .xd21-stone:focus-visible:before{background:radial-gradient(closest-side,#f3c97a66,#ff9a4a26 60%,#f3c97a00)}.dong-choi .xd21-stone:focus-visible{outline:3px solid var(--dc-coral);outline-offset:2px}.dong-choi .xd21-pad{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 10px 12px #000a) saturate(1.05)}.dong-choi .xd21-val{position:absolute;inset:0;display:grid;place-items:center;font-size:clamp(22px,2.6cqi,34px);font-weight:700;color:#fff8e6;text-shadow:0 2px 6px #000c,0 0 14px #071b26}.dong-choi .xd21-stone.used{opacity:.32;transform:scale(.84);filter:grayscale(.5)}.dong-choi .xd21-stone:disabled{cursor:default}.dong-choi .xd21-gate{position:relative;display:grid;justify-items:center;isolation:isolate;translate:0 -26px}.dong-choi .xd21-gate:before{content:"";position:absolute;z-index:-1;inset:-30px -40px;background:radial-gradient(closest-side,#e8c77826,#e8c77800);transition:background .5s;pointer-events:none}.dong-choi .xd21-bridge{width:200px;filter:drop-shadow(0 8px 14px #000a) grayscale(.3) brightness(.82);transition:filter .5s}.dong-choi .xd21-goal{position:absolute;top:12%;padding:0 12px;border-radius:999px;background:#071b26b3;border:1px solid #e8c77866;font-size:34px;font-weight:800;line-height:1.25;color:var(--gold);text-shadow:0 0 12px #e8c77888}.dong-choi .xd21-gate.open:before{background:radial-gradient(closest-side,#f6dd9a66,#e8c77800)}.dong-choi .xd21-gate.open .xd21-bridge{filter:drop-shadow(0 0 26px #e8c778cc) brightness(1.12)}.dong-choi .xd21.bust .xd21-total{color:var(--dc-coral)}@keyframes xd21-bump{40%{transform:scale(1.18)}}@media(max-width:640px){.dong-choi .xd21{grid-template-columns:minmax(0,1fr) minmax(0,1fr);row-gap:0}.dong-choi .xd21:before{top:70%}.dong-choi .xd21-stones{grid-column:1 / -1;grid-row:2;flex-wrap:wrap;gap:10px;padding:18px 0 6px}.dong-choi .xd21-stone{flex:none;width:min(92px,29cqi);min-width:0}.dong-choi .xd21-stone:nth-child(n){--y: 0px}.dong-choi .xd21-stone:nth-child(2),.dong-choi .xd21-stone:nth-child(5){--y: -8px}.dong-choi .xd21-val{font-size:24px}.dong-choi .xd21-lamp{width:92px}.dong-choi .xd21-total{font-size:46px;margin-top:-8px}.dong-choi .xd21-bridge{width:128px}.dong-choi .xd21-goal{font-size:24px}.dong-choi .xd21-gate{translate:0 0}}.dong-choi .xd21-stop{position:relative;display:inline-flex;align-items:center;gap:12px;min-height:60px;padding:8px 22px 8px 9px;border:0;border-radius:12px;background:linear-gradient(180deg,#6e4628,#4b2d16 55%,#3a2210);box-shadow:inset 0 0 0 2px #c9a24a,inset 0 0 0 5px #3a2210,inset 0 0 0 6px #c9a24a66,inset 0 8px 10px -4px #ffffff1c,0 9px 18px #000a;color:#f6dd9a;font:700 16px/1.2 var(--font);letter-spacing:.02em;text-align:left;cursor:pointer;opacity:1;transition:transform .2s,box-shadow .2s,filter .2s}.dong-choi .xd21-stop:hover:not(:disabled){transform:translateY(-3px);background:linear-gradient(180deg,#7c512f,#563319 55%,#40260f);box-shadow:inset 0 0 0 2px #e8c778,inset 0 0 0 5px #3a2210,inset 0 0 0 6px #e8c77888,inset 0 8px 10px -4px #ffffff24,0 0 26px #f3c97a3d,0 14px 22px #000b}.dong-choi .xd21-stop:focus-visible{outline:3px solid var(--dc-coral);outline-offset:4px}.dong-choi .xd21-stop:disabled{cursor:default;opacity:1}.dong-choi .xd21-stop-ic{flex:none;position:relative;display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#d44a33,#8e1f16 70%,#5e140d);box-shadow:0 0 0 2px #c9a24a,0 0 0 4px #3a2210,0 3px 6px #0009;color:#ffe7a8;font:800 19px/1 var(--font)}.dong-choi .xd21-stop-ic svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.dong-choi .xd21-stop-ic svg .f{fill:currentColor;stroke:none}.dong-choi .xd21-stop-tx{display:grid;gap:2px}.dong-choi .xd21-stop-tx small{font-size:12px;font-weight:500;letter-spacing:0;color:#e9cf9fcc}.dong-choi .xd21-stop.picked{transform:translateY(-2px);box-shadow:inset 0 0 0 2px #ffe7a8,inset 0 0 0 5px #3a2210,inset 0 0 0 6px #e8c778,0 0 0 3px #e8c778,0 0 26px #e8c7786b,0 12px 20px #000b}.dong-choi .xd21-stop.answer{background:linear-gradient(180deg,#1d6b5c,#0f4a40 55%,#0a3530);box-shadow:inset 0 0 0 2px #49d6b0,inset 0 0 0 5px #0a3530,inset 0 0 0 6px #49d6b088,0 0 0 3px #49d6b0,0 0 28px #49d6b066,0 12px 20px #000b;color:#e9fff7}.dong-choi .xd21-stop.answer .xd21-stop-ic{background:radial-gradient(circle at 35% 30%,#7af0d0,#1e9c80 70%,#0d5a4a);color:#04332d}.dong-choi .xd21-stop:after{position:absolute;top:-10px;right:-10px;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;font:800 13px/1 var(--font);box-shadow:0 0 0 2px #04141d}.dong-choi .xd21-stop.answer:after{content:"✓";background:var(--dc-jade);color:#04332d}.dong-choi .xd21-stop.picked:not(.answer):after{content:"✕";background:#c8402c;color:#fff4d6}.dong-choi .xd21-stop.picked:not(.answer) .xd21-stop-tx{text-decoration:line-through;text-decoration-color:#ff8b70;text-decoration-thickness:2px}.dong-choi[data-phase=resolving] .xd21-stop:not(.picked):not(.answer){filter:saturate(.55) brightness(.75)}@media(max-width:640px){.dong-choi .xd21-stop{gap:8px;min-height:54px;padding:6px 12px 6px 7px;font-size:14px}.dong-choi .xd21-stop-ic{width:34px;height:34px;font-size:16px}.dong-choi .xd21-stop-ic svg{width:19px;height:19px}.dong-choi .xd21-stop-tx small{font-size:12px}}.dong-choi .xd21-rule{display:inline-flex;align-items:center;gap:10px;margin:0 auto 10px;padding:6px 14px 6px 6px;border-radius:10px;background:linear-gradient(180deg,#6e4628,#3b2412);box-shadow:inset 0 0 0 1.5px #c9a24a,0 6px 12px #0009;color:#ffe7a8;font-weight:700;font-size:15px}.dong-choi .xd21-rule-k{padding:4px 9px;border-radius:6px;background:radial-gradient(circle at 35% 30%,#d44a33,#8e1f16);box-shadow:0 0 0 1.5px #c9a24a;font-size:12px;letter-spacing:.06em;text-transform:uppercase}.dong-choi .xd21-trail{margin:8px 0 0;text-align:center;font-size:16px;font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums}.dong-choi .xd21-station{display:inline-block;margin-top:6px;padding:3px 10px;border-radius:999px;border:1.5px dashed #c9a24a;color:#ffe7a8;font-size:12.5px;font-weight:700}.dong-choi .xd21-station.hit{border-style:solid;border-color:var(--dc-jade);background:#0e3d38d9;color:var(--dc-jade)}@media(max-width:640px){.dong-choi .xd21-rule{font-size:13px}.dong-choi .xd21-trail{font-size:14px}}