:root{--game-bg-easy: linear-gradient(135deg, #1a2a3a 0%, #0f1923 100%);--game-bg-medium: linear-gradient(135deg, #2a1a0a 0%, #1a0f05 100%);--game-bg-hard: linear-gradient(135deg, #2a0a0a 0%, #1a0505 100%)}@keyframes boss-idle{0%,to{transform:scale(1)}50%{transform:scale(1.06)}}@keyframes boss-hit{0%{filter:brightness(2) saturate(0);transform:scale(1.1)}to{filter:brightness(1) saturate(1);transform:scale(1)}}@keyframes boss-death{0%{transform:scale(1) rotate(0);opacity:1}50%{transform:scale(1.2) rotate(10deg)}to{transform:scale(0) rotate(45deg);opacity:0}}@keyframes player-attack{0%{transform:translate(0)}30%{transform:translate(20px) scale(1.1)}to{transform:translate(0) scale(1)}}@keyframes damage-float{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-60px) scale(1.3)}}@keyframes hp-pulse{0%,to{box-shadow:0 0 4px #ef44444d}50%{box-shadow:0 0 12px #ef4444b3}}@keyframes hp-shimmer{0%{background-position:-200% center}to{background-position:200% center}}@keyframes confetti-fall{0%{transform:translateY(-20px) rotate(0);opacity:1}to{transform:translateY(300px) rotate(720deg);opacity:0}}@keyframes screen-shake{0%,to{transform:translate(0)}20%{transform:translate(-4px,2px)}40%{transform:translate(4px,-2px)}60%{transform:translate(-2px,4px)}80%{transform:translate(2px,-4px)}}@keyframes skill-announce{0%{transform:scale(.5);opacity:0}50%{transform:scale(1.2);opacity:1}to{transform:scale(1);opacity:1}}@keyframes slide-in-up{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes flash-green{0%{box-shadow:0 0 #22c55e00}50%{box-shadow:0 0 20px #22c55e80}to{box-shadow:0 0 #22c55e00}}@keyframes flash-red{0%{box-shadow:0 0 #ef444400}50%{box-shadow:0 0 20px #ef444480}to{box-shadow:0 0 #ef444400}}@keyframes speed-lines{0%{opacity:0;transform:translate(0)}30%{opacity:1}to{opacity:0;transform:translate(40px)}}@keyframes count-pop{0%{transform:scale(0);opacity:0}50%{transform:scale(1.3)}to{transform:scale(1);opacity:1}}@keyframes tile-place{0%{transform:scale(.8) translateY(10px);opacity:0}to{transform:scale(1) translateY(0);opacity:1}}@keyframes checkmark{0%{transform:scale(0) rotate(-45deg)}50%{transform:scale(1.3) rotate(0)}to{transform:scale(1) rotate(0)}}@keyframes podium-rise{0%{transform:translateY(40px);opacity:0}to{transform:translateY(0);opacity:1}}.game-particle{position:absolute;pointer-events:none;font-size:20px;animation:damage-float 1s var(--ease-out) forwards;z-index:100}.game-damage-float{position:absolute;font-size:24px;font-weight:700;pointer-events:none;animation:damage-float 1s var(--ease-out) forwards;z-index:100;text-shadow:0 2px 4px rgba(0,0,0,.3)}.game-combo-badge{position:absolute;top:-10px;right:-10px;background:linear-gradient(135deg,var(--warning),var(--primary));color:var(--on-accent);padding:4px 10px;border-radius:20px;font-size:13px;font-weight:700;animation:skill-announce var(--d-slower) var(--ease-out);z-index:50;white-space:nowrap}.game-confetti{position:fixed;inset:0;pointer-events:none;z-index:200;overflow:hidden}.game-confetti-piece{position:absolute;width:8px;height:8px;border-radius:2px;animation:confetti-fall 2s var(--ease-out) forwards}.game-countdown{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:#0009;z-index:300;font-size:80px;font-weight:700;color:var(--on-accent);text-shadow:0 4px 20px rgba(0,0,0,.5)}.game-countdown span{animation:count-pop .6s var(--ease-out)}.game-result-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px;text-align:center;animation:slide-in-up var(--d-slower) var(--ease-out)}.game-xp-toast{position:fixed;bottom:80px;left:50%;transform:translate(-50%);background:linear-gradient(135deg,var(--success),color-mix(in srgb,var(--success) 80%,black));color:var(--on-accent);padding:8px 20px;border-radius:20px;font-weight:600;font-size:15px;animation:slide-in-up var(--d-slow) var(--ease-out);z-index:150;box-shadow:0 4px 12px #22c55e4d}.boss-game.premium,.boss-game.premium .boss-arena{position:relative}.boss-game.premium .boss-enemy .boss-avatar{animation:boss-idle 2s var(--ease-in-out) infinite;display:inline-block}.boss-game.premium .boss-enemy.boss-hit-anim .boss-avatar{animation:boss-hit var(--d-slower) var(--ease-out)}.boss-game.premium .boss-enemy.boss-death-anim .boss-avatar{animation:boss-death .8s var(--ease-out) forwards}.boss-game.premium .boss-player.player-attack-anim .boss-avatar{animation:player-attack var(--d-slow) var(--ease-out)}.boss-hp-fill.hp-critical{animation:hp-pulse 1s var(--ease-in-out) infinite}.boss-hp-fill.hp-shimmer{background-size:200% 100%;background-image:linear-gradient(90deg,var(--success) 0%,color-mix(in srgb,var(--success) 70%,white) 25%,var(--success) 50%,color-mix(in srgb,var(--success) 70%,white) 75%,var(--success) 100%);animation:hp-shimmer 2s linear infinite}.boss-hp-fill.boss-hp-enemy.hp-shimmer{background-image:linear-gradient(90deg,var(--primary) 0%,color-mix(in srgb,var(--primary) 70%,white) 25%,var(--primary) 50%,color-mix(in srgb,var(--primary) 70%,white) 75%,var(--primary) 100%)}.boss-game.premium .boss-arena.screen-shake-anim{animation:screen-shake var(--d-slow) ease}.race-game.premium .race-cell{transition:background-color var(--d-slower) ease,border-color var(--d-slower) ease,color var(--d-slower) ease,box-shadow var(--d-slower) ease,transform var(--d-slower) ease,opacity var(--d-slower) ease,filter var(--d-slower) ease;position:relative}.race-game.premium .race-cell.race-active{background:var(--primary);border-color:var(--primary);box-shadow:0 0 8px rgba(var(--primary-rgb, 192,57,43),.3)}.race-game.premium .race-car{transition:background-color var(--d-slower) ease,border-color var(--d-slower) ease,color var(--d-slower) ease,box-shadow var(--d-slower) ease,transform var(--d-slower) ease,opacity var(--d-slower) ease,filter var(--d-slower) ease}.race-speed-line{position:absolute;left:-20px;top:50%;width:20px;height:2px;background:var(--primary);opacity:0;animation:speed-lines .5s var(--ease-out)}.race-game.premium .race-lane{background:linear-gradient(90deg,transparent 0%,var(--surface) 5%,var(--surface) 95%,transparent 100%);border-radius:4px;padding:2px 4px}.race-podium{display:flex;align-items:flex-end;justify-content:center;gap:8px;margin:20px 0;height:120px}.race-podium-item{text-align:center;animation:podium-rise .5s var(--ease-out);animation-fill-mode:both}.race-podium-item:nth-child(1){animation-delay:.3s}.race-podium-item:nth-child(2){animation-delay:.1s}.race-podium-item:nth-child(3){animation-delay:.5s}.race-podium-bar{width:60px;border-radius:6px 6px 0 0;display:flex;align-items:flex-end;justify-content:center;padding-bottom:4px;font-size:12px;font-weight:600;color:var(--on-accent)}.race-podium-bar.gold{height:80px;background:linear-gradient(180deg,var(--medal-gold),color-mix(in srgb,var(--medal-gold) 75%,black))}.race-podium-bar.silver{height:60px;background:linear-gradient(180deg,var(--medal-silver),color-mix(in srgb,var(--medal-silver) 78%,black))}.race-podium-bar.bronze{height:40px;background:linear-gradient(180deg,var(--medal-bronze),color-mix(in srgb,var(--medal-bronze) 75%,black))}.race-podium-name{font-size:11px;color:var(--text2);margin-top:4px}.sent-game.premium .sent-token{box-shadow:0 2px 8px #0000001a;transition:background-color var(--d-base) ease,border-color var(--d-base) ease,color var(--d-base) ease,box-shadow var(--d-base) ease,transform var(--d-base) ease,opacity var(--d-base) ease,filter var(--d-base) ease}.sent-game.premium .sent-token:hover{transform:translateY(-3px);box-shadow:0 4px 12px #00000026}.sent-game.premium .sent-slot.sent-filled{animation:tile-place var(--d-slow) var(--ease-out)}.sent-game.premium .sent-feedback.sent-correct{animation:flash-green .6s var(--ease-out)}.sent-game.premium .sent-feedback.sent-wrong{animation:flash-red .6s var(--ease-out)}.sent-game.premium .sent-slot.sent-wrong-shake{animation:screen-shake var(--d-slow) ease;border-color:var(--primary);color:var(--danger)}.sent-checkmark{display:inline-block;font-size:36px;animation:checkmark .5s var(--ease-out)}.sent-progress-dots{display:flex;gap:6px;justify-content:center;margin:12px 0}.sent-progress-dot{width:10px;height:10px;border-radius:50%;background:var(--border);transition:background var(--d-slow)}.sent-progress-dot.dot-done{background:var(--success)}.sent-progress-dot.dot-current{background:var(--primary);transform:scale(1.2)}.sent-progress-dot.dot-wrong{background:var(--primary)}@media(max-width:480px){.game-countdown{font-size:56px}.game-particle{font-size:16px}.game-damage-float{font-size:18px}.game-combo-badge{font-size:11px;padding:3px 8px}.race-podium{height:90px;margin:12px 0;gap:6px}.race-podium-bar{width:44px}.race-podium-bar.gold{height:60px}.race-podium-bar.silver{height:45px}.race-podium-bar.bronze{height:30px}.race-podium-name{font-size:10px}}

.hw-tabs{display:flex;gap:4px;margin-bottom:20px;background:var(--surface2);border-radius:10px;padding:4px}.hw-tab{flex:1;padding:10px 16px;border:none;border-radius:8px;background:transparent;color:var(--text2);font-size:14px;cursor:pointer;transition:background-color var(--d-base),border-color var(--d-base),color var(--d-base),box-shadow var(--d-base),transform var(--d-base),opacity var(--d-base),filter var(--d-base)}.hw-tab.active{background:var(--primary);color:var(--on-accent);font-weight:600}.hw-setup-card{background:var(--surface2);border-radius:12px;padding:20px;margin-bottom:16px}.hw-setup-card h3{margin-bottom:12px;font-size:15px;color:var(--text1)}.hw-form-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}.hw-form-row label{min-width:80px;color:var(--text2);font-size:14px}.hw-form-row select{flex:1;padding:8px 12px;border-radius:8px;border:1px solid var(--border);background:var(--surface1);color:var(--text1);font-size:14px}.hw-source-tabs{display:flex;gap:4px;margin-bottom:16px}.hw-src-tab{padding:8px 14px;border:1px solid var(--border);border-radius:8px;background:transparent;color:var(--text2);cursor:pointer;font-size:13px;transition:background-color var(--d-base),border-color var(--d-base),color var(--d-base),box-shadow var(--d-base),transform var(--d-base),opacity var(--d-base),filter var(--d-base)}.hw-src-tab.active{background:var(--primary);color:var(--on-accent);border-color:var(--primary)}.hw-hsk-btns{display:flex;flex-wrap:wrap;gap:8px}.hw-hsk-btn{padding:8px 16px;border:1px solid var(--border);border-radius:8px;background:var(--surface1);color:var(--text1);cursor:pointer;font-size:13px;transition:background-color var(--d-base),border-color var(--d-base),color var(--d-base),box-shadow var(--d-base),transform var(--d-base),opacity var(--d-base),filter var(--d-base)}.hw-hsk-btn.active{background:var(--primary);color:var(--on-accent);border-color:var(--primary)}#hwCustomInput{width:100%;padding:10px;border-radius:8px;border:1px solid var(--border);background:var(--surface1);color:var(--text1);font-size:16px;font-family:Noto Sans SC,sans-serif;resize:vertical}.hw-custom-hint{font-size:12px;color:var(--text3);margin-top:6px}.hw-preview-row{display:flex;align-items:center;gap:8px;margin-top:16px}.hw-preview-label{color:var(--text2);font-size:13px}.hw-preview-count{font-weight:600;color:var(--accent-text);font-size:13px}.hw-preview-chars{margin-top:8px;font-size:18px;color:var(--text1);font-family:Noto Sans SC,sans-serif;line-height:1.6;max-height:60px;overflow:hidden}.hw-layout-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.hw-layout-option{cursor:pointer;border:2px solid var(--border);border-radius:12px;padding:16px;text-align:center;transition:background-color var(--d-base),border-color var(--d-base),color var(--d-base),box-shadow var(--d-base),transform var(--d-base),opacity var(--d-base),filter var(--d-base)}.hw-layout-option.active{border-color:var(--primary);background:var(--primary-soft)}.hw-layout-option input{display:none}.hw-lp-icon{font-size:28px;margin-bottom:8px}.hw-lp-name{font-weight:600;font-size:13px;color:var(--text1)}.hw-lp-desc{font-size:11px;color:var(--text2);margin-top:4px}.hw-option-row{display:flex;align-items:center;gap:8px;padding:6px 0;font-size:14px;color:var(--text1);cursor:pointer}.hw-print-btn{width:100%;padding:14px;font-size:16px;margin-top:8px}.hw-online-header{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--border);margin-bottom:16px}.hw-online-progress{font-weight:600;color:var(--accent-text)}.hw-online-prompt{text-align:center;margin-bottom:16px}.hw-prompt-pinyin{font-size:18px;color:var(--text2);margin-bottom:4px}.hw-prompt-meaning{font-size:16px;color:var(--text1);font-weight:500}.hw-online-writer{display:flex;justify-content:center;margin:20px 0}.hw-online-feedback{text-align:center;min-height:30px}.hw-fb-perfect{color:var(--success);font-weight:600}.hw-fb-ok{color:var(--accent-ink);font-weight:500}.hw-online-result{text-align:center;padding:40px 20px}.hw-online-result h3{margin-bottom:16px}.hw-result-stats{display:flex;justify-content:center;gap:24px;margin-bottom:24px}.hw-result-btns{display:flex;justify-content:center;gap:12px}@media(max-width:600px){.hw-layout-grid{grid-template-columns:1fr}.hw-hsk-btns{gap:6px}.hw-hsk-btn{padding:6px 12px;font-size:12px}}@media print{.handout-page .ho-mn-card{break-inside:avoid;page-break-inside:avoid}}