.fc-wrapper[data-v-95bb0258]{height:520px;margin-bottom:1.5rem;perspective:1200px}.fc-card[data-v-95bb0258]{cursor:pointer;height:100%;position:relative;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.4,0,.2,1);width:100%}.fc-card.flipped[data-v-95bb0258]{transform:rotateY(180deg)}.fc-side[data-v-95bb0258]{backface-visibility:hidden;-webkit-backface-visibility:hidden;border:1px solid #e2e8f0;border-radius:20px;box-shadow:none;display:flex;flex-direction:column;inset:0;overflow:hidden;position:absolute}.fc-front[data-v-95bb0258],.fc-side[data-v-95bb0258]{background:#fff}.fc-top-actions[data-v-95bb0258]{display:flex;gap:6px;position:absolute;right:10px;top:10px;transform:translateZ(1px);z-index:10}.fc-act-btn[data-v-95bb0258]{align-items:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#ffffffeb;border:1px solid rgba(0,0,0,.08);border-radius:8px;color:#94a3b8;cursor:pointer;display:flex;height:32px;justify-content:center;pointer-events:auto;transition:all .15s;width:32px}.fc-act-btn[data-v-95bb0258]:hover{background:#fff;box-shadow:0 2px 8px #0000001a}.fc-note-btn.has-note[data-v-95bb0258]{background:#3b64c826;border-color:#3b64c84d;color:#2d5bbf}.fc-status-btn.vs-0[data-v-95bb0258]{color:#94a3b8}.fc-status-btn.vs-1[data-v-95bb0258]{background:#f59e0b1f;border-color:#f59e0b4d;color:#d97706}.fc-status-btn.vs-2[data-v-95bb0258]{background:#10b9811f;border-color:#10b9814d;color:#059669}.fc-back[data-v-95bb0258]{transform:rotateY(180deg)}.fc-body[data-v-95bb0258]{display:flex;flex:1;flex-direction:column;justify-content:center;min-height:0;overflow:hidden;padding:12px 20px}.fc-front-body[data-v-95bb0258]{padding:24px 24px 14px}.fc-front-hero[data-v-95bb0258]{align-items:center;display:flex;flex-direction:column;gap:16px;height:100%;justify-content:center;width:100%}.fc-front-hero--vi[data-v-95bb0258]{gap:12px}.fc-front-word[data-v-95bb0258]{flex-direction:column;gap:10px}.fc-front-hanzi-stage[data-v-95bb0258],.fc-front-word[data-v-95bb0258]{align-items:center;display:flex;width:100%}.fc-front-hanzi-stage[data-v-95bb0258]{justify-content:center;min-height:148px;position:relative}.fc-front-grid[data-v-95bb0258]{border:1px solid grey}.fc-front-hanzi-writer[data-v-95bb0258]{align-items:center;background:transparent;border:none;border-radius:0;box-shadow:none;display:flex;gap:10px;justify-content:center;opacity:0;padding:0;transition:opacity .18s ease;width:100%}.fc-front-hanzi-writer--visible[data-v-95bb0258]{opacity:1}.fc-front-grid[data-v-95bb0258]{background:#fff;border:1.5px solid #94a3b8;box-sizing:border-box;display:block;flex-shrink:0;height:1002px;width:100px}.fc-main-text--fallback[data-v-95bb0258]{align-items:center;display:flex;font-size:calc(4.8rem + var(--chinese-font-size-adjust, 0px));inset:0;justify-content:center;pointer-events:none;position:absolute}.fc-main-text[data-v-95bb0258]{color:#1e293b;font-family:var(--chinese-font,"LXGW WenKai","Noto Sans SC",sans-serif);font-size:calc(5.6rem + var(--chinese-font-size-adjust, 0px));font-weight:var(--chinese-font-weight,700);line-height:1.25;text-align:center}.fc-front-pinyin[data-v-95bb0258],.fc-pinyin[data-v-95bb0258]{color:#6366f1;font-size:1.12rem;font-weight:600;letter-spacing:.04em;margin-top:4px;text-align:center}.fc-main-text--vi[data-v-95bb0258]{font-size:1.8rem;font-weight:600;line-height:1.4}.fc-front-image-shell[data-v-95bb0258]{background:#f8fafc;border:1px solid #e2e8f0;border-radius:18px;box-shadow:none;max-width:240px;padding:12px;width:100%}.fc-front-image[data-v-95bb0258]{display:block;max-height:170px;-o-object-fit:contain;object-fit:contain;width:100%}.fc-front-helper[data-v-95bb0258]{align-items:center;background:#6366f114;border-radius:999px;color:#4f46e5;display:inline-flex;font-size:.82rem;font-weight:600;gap:.45rem;padding:.45rem .8rem}.fc-answer-text[data-v-95bb0258]{color:#1e293b;font-family:var(--chinese-font,"LXGW WenKai","Noto Sans SC",sans-serif);font-size:calc(1.4rem + var(--chinese-font-size-adjust, 0px));font-weight:var(--chinese-font-weight,700);line-height:1.3;margin-bottom:8px;text-align:center}.fc-details[data-v-95bb0258]{background:#f8fafc;border-radius:8px;padding:6px 12px}.fc-detail[data-v-95bb0258]{align-items:baseline;border-bottom:1px solid #f1f5f9;display:flex;gap:8px;padding:3px 0}.fc-detail[data-v-95bb0258]:last-child{border-bottom:none}.fc-label[data-v-95bb0258]{color:#94a3b8;flex-shrink:0;font-size:.8rem;font-weight:500;min-width:70px}.fc-val[data-v-95bb0258]{color:#334155;font-size:.95rem;text-align:right}.fc-hanzi[data-v-95bb0258]{color:#4299e1;font-family:var(--chinese-font,"LXGW WenKai","Noto Sans SC",sans-serif);font-size:calc(1.1rem + var(--chinese-font-size-adjust, 0px));font-weight:var(--chinese-font-weight,600)}.fc-examples[data-v-95bb0258]{margin-top:6px}.fc-ex-item[data-v-95bb0258]{border-top:1px solid #f1f5f9;font-size:.85rem;padding:4px 0}.fc-bottom[data-v-95bb0258]{border-top:1px solid #f1f5f9;flex-shrink:0;justify-content:space-between;padding:12px 20px}.fc-bottom[data-v-95bb0258],.fc-hint[data-v-95bb0258]{align-items:center;display:flex}.fc-hint[data-v-95bb0258]{color:#94a3b8;font-size:.82rem;gap:6px}.fc-hint-back[data-v-95bb0258]{color:#64748b}.fc-audio[data-v-95bb0258]{align-items:center;background:#4299e1;border:none;border-radius:50%;box-shadow:none;color:#fff;cursor:pointer;display:flex;height:44px;justify-content:center;transition:all .2s;width:44px}.fc-audio[data-v-95bb0258]:hover{background:#3182ce;transform:scale(1.08)}.fc-audio-back[data-v-95bb0258]{background:#475569;box-shadow:none}.fc-audio-back[data-v-95bb0258]:hover{background:#334155}@media(max-width:768px){.fc-wrapper[data-v-95bb0258]{height:470px}.fc-main-text[data-v-95bb0258]{font-size:2rem}.fc-body[data-v-95bb0258]{padding:12px 16px}.fc-front-hanzi-writer[data-v-95bb0258]{min-height:126px;padding:10px 12px}.fc-front-hanzi-char[data-v-95bb0258]{min-height:112px;min-width:112px}.fc-front-image-shell[data-v-95bb0258]{max-width:200px}.fc-audio[data-v-95bb0258]{height:40px;width:40px}.fc-details[data-v-95bb0258]{padding:10px 12px}}@media(max-width:480px){.fc-wrapper[data-v-95bb0258]{height:450px}.fc-main-text[data-v-95bb0258]{font-size:1.6rem}.fc-main-text--fallback[data-v-95bb0258]{font-size:calc(3.2rem + var(--chinese-font-size-adjust, 0px))}.fc-front-pinyin[data-v-95bb0258],.fc-pinyin[data-v-95bb0258]{font-size:.95rem}.fc-front-helper[data-v-95bb0258]{font-size:.74rem;padding:.4rem .7rem}.fc-answer-text[data-v-95bb0258]{font-size:1.3rem}.fc-bottom[data-v-95bb0258]{padding:10px 14px}}