:root{--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-primary-light: #60a5fa;--color-primary-bg: #dbeafe;--color-primary-bg-light: #eff6ff;--color-primary-shadow: rgba(37, 99, 235, .2);--color-accent: #f59e0b;--color-accent-light: #fbbf24;--color-accent-bg: #fffbeb;--color-accent-shadow: rgba(245, 158, 11, .2);--color-success: #10b981;--color-success-light: #34d399;--color-success-bg: #ecfdf5;--color-error: #ef4444;--color-error-light: #f87171;--color-error-bg: #fef2f2;--color-warning: #f59e0b;--color-info: #3b82f6;--surface-base: #f0f4ff;--surface-raised: #ffffff;--surface-overlay: rgba(255, 255, 255, .95);--surface-glass: rgba(255, 255, 255, .92);--text-primary: #111827;--text-secondary: #6b7280;--text-muted: #9ca3af;--text-on-primary: #ffffff;--border-cartoon: 1.5px solid #e0e4ea;--border-cartoon-thick: 2px solid #d1d5db;--border-subtle: #eaecf0;--border-light: #e0e4ea;--border-medium: #c8cdd6;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .04);--shadow-sm: 0 3px 0 rgba(0, 0, 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.card-side-label{position:absolute;top:8px;left:8px;font-size:10px;font-weight:800;letter-spacing:.04em;padding:2px 8px;border-radius:var(--radius-sm);font-family:var(--font-display);z-index:1}.game-card.en-side .card-side-label,.game-card.zh-side .card-side-label{color:#ffffffe6;background:#ffffff29;border:1.5px solid rgba(255,255,255,.3)}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-10px) rotate(-2deg)}40%{transform:translate(10px) rotate(2deg)}60%{transform:translate(-6px) rotate(-1deg)}80%{transform:translate(6px) rotate(1deg)}}@keyframes popIn{0%{transform:scale(0) rotate(-8deg);opacity:0}50%{transform:scale(1.12) rotate(3deg)}70%{transform:scale(.95) rotate(-1deg)}to{transform:scale(1) rotate(0);opacity:1}}@keyframes soundRipple{0%{transform:scale(1);opacity:.55}to{transform:scale(1.75);opacity:0}}@keyframes soundIconPulse{0%,to{transform:scale(1)}50%{transform:scale(1.18)}}@keyframes 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scale(1)}75%{transform:translateY(-8px) rotate(-2deg) scale(1.03)}}.defense-zombie-die{display:inline-block;animation:defZombieDie .35s ease-out forwards}@keyframes defZombieDie{0%{transform:scale(1);opacity:1}40%{transform:scale(1.5);opacity:1}to{transform:scale(.4) rotate(30deg);opacity:0}}.defense-zombie-eat{animation:defZombieEat .25s ease-in-out infinite}@keyframes defZombieEat{0%,to{transform:rotate(-8deg) scale(1.05)}50%{transform:rotate(6deg) scale(1.12)}}.defense-answer-card{background:linear-gradient(135deg,#14532df5,#166534f5);border:1.5px solid rgba(74,222,128,.8);border-radius:10px;padding:4px 12px;margin-bottom:4px;color:#bbf7d0;font-weight:800;font-size:15px;letter-spacing:.5px;white-space:nowrap;box-shadow:0 0 16px #4ade8066;animation:defAnswerPop .35s var(--ease-spring)}@keyframes defAnswerPop{0%{transform:scale(.5) translateY(6px);opacity:0}to{transform:scale(1) translateY(0);opacity:1}}.defense-word-bubble{background:#0f172aeb;border:1.5px solid rgba(148,163,184,.45);border-radius:12px;padding:5px 14px;font-size:16px;font-weight:800;color:#e2e8f0;white-space:nowrap;max-width:240px;overflow:hidden;text-overflow:ellipsis;box-shadow:0 2px 10px #00000080;margin-bottom:2px}.defense-pea{position:absolute;left:0;font-size:28px;z-index:15;line-height:1;will-change:transform;filter:drop-shadow(0 0 8px rgba(163,230,53,.6)) drop-shadow(0 1px 2px rgba(0,0,0,.4))}.defense-wave-banner{position:absolute;top:50%;left:50%;z-index:40;font-size:26px;font-weight:900;color:#fff;background:linear-gradient(135deg,#dc2626eb,#ef4444eb);padding:12px 34px;border-radius:18px;box-shadow:0 8px 24px #dc262659;white-space:nowrap;animation:defWaveBanner 1.8s ease-in-out forwards}@keyframes defWaveBanner{0%{transform:translate(-50%,-50%) scale(.4);opacity:0}15%{transform:translate(-50%,-50%) scale(1.1);opacity:1}25%{transform:translate(-50%,-50%) scale(1);opacity:1}80%{transform:translate(-50%,-50%) scale(1);opacity:1}to{transform:translate(-50%,-50%) scale(.9);opacity:0}}.defense-input-shake{animation:shake .4s var(--ease-out);border-color:#ef4444!important}.defense-hint-btn.ant-btn:disabled{background:#1e293b80!important;border-color:#94a3b838!important;color:#94a3b88c!important}@media(max-width:640px){.defense-word-bubble{max-width:120px;font-size:12px}.defense-plant{font-size:36px;margin-left:12px}}