@import"https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Rajdhani:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap";:root{--color-primary: #FFD700;--color-primary-light: #FFE55C;--color-primary-dark: #D4AF37;--color-secondary: #FF6B35;--color-accent: #00D4FF;--color-success: #00FF88;--color-warning: #FFB800;--color-danger: #FF4757;--color-info: #5B8DEF;--game-gold: #FFD700;--game-silver: #C0C0C0;--game-bronze: #CD7F32;--game-exp: #00FF88;--game-hp: #FF4757;--game-mp: #5B8DEF;--game-energy: #FF6B35;--bg-dark: #0A0A1A;--bg-card: #12122A;--bg-card-hover: #1A1A3A;--bg-overlay: rgba(10, 10, 26, .95);--text-primary: #FFFFFF;--text-secondary: rgba(255, 255, 255, .7);--text-muted: rgba(255, 255, 255, .5);--text-disabled: rgba(255, 255, 255, .3);--gradient-gold: linear-gradient(135deg, #FFD700 0%, #FFA500 50%, #FF8C00 100%);--gradient-primary: linear-gradient(135deg, #FFD700 0%, #FF6B35 100%);--gradient-secondary: linear-gradient(135deg, #FF6B35 0%, #FF4757 100%);--gradient-accent: linear-gradient(135deg, #00D4FF 0%, #5B8DEF 100%);--gradient-success: linear-gradient(135deg, #00FF88 0%, #00D4FF 100%);--gradient-dark: linear-gradient(180deg, #0A0A1A 0%, #1A1A3A 100%);--gradient-card: linear-gradient(145deg, rgba(255, 255, 255, .05) 0%, rgba(255, 255, 255, .02) 100%);--font-display: "Orbitron", "Noto Sans SC", sans-serif;--font-body: "Rajdhani", "Noto Sans SC", sans-serif;--font-chinese: "Noto Sans SC", sans-serif;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(255, 215, 0, .3);--shadow-glow-strong: 0 0 40px rgba(255, 215, 0, .5);--border-color: rgba(255, 255, 255, .1);--border-color-hover: rgba(255, 215, 0, .3);--transition-fast: .15s ease;--transition-normal: .3s ease;--transition-slow: .5s ease;--ease-bounce: cubic-bezier(.68, -.55, .265, 1.55);--ease-smooth: cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-body);font-size:16px;line-height:1.6;color:var(--text-primary);background:var(--bg-dark);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{padding-top:constant(safe-area-inset-top);padding-bottom:constant(safe-area-inset-bottom);padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)}.game-container{max-width:100%;min-height:100vh;padding:var(--spacing-md);position:relative;background:var(--gradient-dark)}@media (min-width: 768px){.game-container{max-width:1400px;margin:0 auto;padding:var(--spacing-xl)}}.game-container:before{content:"";position:fixed;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at 20% 20%,rgba(255,215,0,.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 80%,rgba(255,107,53,.08) 0%,transparent 50%),radial-gradient(ellipse at 50% 50%,rgba(0,212,255,.05) 0%,transparent 50%);pointer-events:none;z-index:0}.game-decoration{position:fixed;border-radius:50%;filter:blur(80px);pointer-events:none;z-index:0;animation:float 8s ease-in-out infinite}.game-decoration-1{width:300px;height:300px;top:-100px;right:-100px;background:radial-gradient(circle,rgba(255,215,0,.15) 0%,transparent 70%)}.game-decoration-2{width:250px;height:250px;bottom:-80px;left:-80px;background:radial-gradient(circle,rgba(255,107,53,.15) 0%,transparent 70%);animation-delay:-4s}@keyframes float{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-20px) scale(1.05)}}.game-title{font-family:var(--font-display);font-size:clamp(28px,8vw,56px);font-weight:900;text-align:center;margin-bottom:var(--spacing-xl);position:relative;z-index:1;letter-spacing:2px;text-transform:uppercase;background:var(--gradient-gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:drop-shadow(0 0 20px rgba(255,215,0,.5));animation:titlePulse 3s ease-in-out infinite}@keyframes titlePulse{0%,to{filter:drop-shadow(0 0 20px rgba(255,215,0,.5))}50%{filter:drop-shadow(0 0 40px rgba(255,215,0,.8))}}.game-subtitle{font-family:var(--font-chinese);font-size:clamp(14px,4vw,18px);color:var(--text-secondary);text-align:center;margin-bottom:var(--spacing-lg);letter-spacing:4px}.game-card{background:var(--gradient-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--radius-lg);border:1px solid var(--border-color);padding:var(--spacing-lg);margin-bottom:var(--spacing-lg);position:relative;z-index:1;overflow:hidden;transition:all var(--transition-normal)}.game-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-gold);opacity:.8}.game-card:hover{border-color:var(--border-color-hover);transform:translateY(-4px);box-shadow:var(--shadow-glow)}.game-card:after{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,215,0,.03) 0%,transparent 50%);opacity:0;transition:opacity var(--transition-normal);pointer-events:none}.game-card:hover:after{opacity:1}.game-button{font-family:var(--font-display);font-size:14px;font-weight:700;letter-spacing:1px;text-transform:uppercase;padding:14px 32px;border:none;border-radius:var(--radius-md);cursor:pointer;position:relative;overflow:hidden;transition:all var(--transition-normal);text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);min-height:48px;z-index:1}.game-button:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;padding:2px;background:linear-gradient(135deg,rgba(255,255,255,.3),transparent);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity var(--transition-normal)}.game-button:hover:before{opacity:1}.game-button-primary{background:var(--gradient-gold);color:#000;box-shadow:var(--shadow-glow)}.game-button-primary:hover{transform:translateY(-2px) scale(1.02);box-shadow:var(--shadow-glow-strong)}.game-button-primary:active{transform:translateY(0) scale(.98)}.game-button-success{background:var(--gradient-success);color:#000;box-shadow:0 0 20px #00ff884d}.game-button-success:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 0 40px #00ff8880}.game-button-warning{background:var(--gradient-secondary);color:#fff;box-shadow:0 0 20px #ff6b354d}.game-button-warning:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 0 40px #ff6b3580}.game-button-danger{background:linear-gradient(135deg,#ff4757,#f34);color:#fff;box-shadow:0 0 20px #ff47574d}.game-button-danger:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 0 40px #ff475780}.game-button:disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none!important}.game-input{font-family:var(--font-body);font-size:16px;line-height:1.5;padding:14px 20px;background:#ffffff08;border:2px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);width:100%;transition:all var(--transition-normal);outline:none}.game-input:focus{border-color:var(--color-primary);background:#ffd7000d;box-shadow:0 0 0 4px #ffd7001a,var(--shadow-glow)}.game-input::placeholder{color:var(--text-muted)}textarea.game-input{min-height:100px;resize:vertical}.game-progress{width:100%;height:16px;background:#0006;border-radius:var(--radius-full);overflow:hidden;position:relative;border:1px solid var(--border-color)}.game-progress-bar{height:100%;background:var(--gradient-gold);border-radius:var(--radius-full);transition:width .5s var(--ease-smooth);position:relative;overflow:hidden}.game-progress-bar:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.4) 50%,transparent 100%);animation:progressShine 2s ease-in-out infinite}@keyframes progressShine{0%{transform:translate(-100%)}to{transform:translate(100%)}}.game-number{font-family:var(--font-display);font-size:32px;font-weight:900;background:var(--gradient-gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:drop-shadow(0 0 10px rgba(255,215,0,.3))}.game-number-large{font-size:48px}.game-number-small{font-size:24px}.game-tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--radius-full);font-family:var(--font-display);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;gap:var(--spacing-xs)}.game-tag-primary{background:#ffd70026;color:var(--color-primary);border:1px solid rgba(255,215,0,.3)}.game-tag-success{background:#00ff8826;color:var(--color-success);border:1px solid rgba(0,255,136,.3)}.game-tag-warning{background:#ffb80026;color:var(--color-warning);border:1px solid rgba(255,184,0,.3)}.game-tag-danger{background:#ff475726;color:var(--color-danger);border:1px solid rgba(255,71,87,.3)}.game-avatar{width:72px;height:72px;border-radius:50%;position:relative;background:var(--gradient-gold);padding:3px;box-shadow:var(--shadow-glow)}.game-avatar img{width:100%;height:100%;border-radius:50%;object-fit:cover;background:var(--bg-card)}.game-avatar-level{position:absolute;bottom:-4px;left:50%;transform:translate(-50%);background:var(--gradient-gold);color:#000;padding:2px 10px;border-radius:var(--radius-full);font-family:var(--font-display);font-size:10px;font-weight:700;box-shadow:var(--shadow-sm);white-space:nowrap}.game-grid{display:grid;gap:var(--spacing-lg);grid-template-columns:1fr}@media (min-width: 640px){.game-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width: 1024px){.game-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}}.game-stat-card{background:var(--gradient-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--radius-lg);border:1px solid var(--border-color);padding:var(--spacing-lg);text-align:center;transition:all var(--transition-normal);position:relative;overflow:hidden}.game-stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--gradient-gold);opacity:.5}.game-stat-card:hover{border-color:var(--border-color-hover);transform:translateY(-4px);box-shadow:var(--shadow-glow)}.game-stat-icon{font-size:36px;margin-bottom:var(--spacing-sm);filter:drop-shadow(0 0 10px currentColor)}.game-stat-value{font-family:var(--font-display);font-size:28px;font-weight:900;background:var(--gradient-gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.game-stat-label{font-size:12px;color:var(--text-secondary);margin-top:var(--spacing-xs);text-transform:uppercase;letter-spacing:1px}.game-badge{display:inline-flex;align-items:center;justify-content:center;padding:8px 20px;border-radius:var(--radius-full);font-family:var(--font-display);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1px;box-shadow:var(--shadow-md)}.game-badge-gold{background:linear-gradient(135deg,gold,orange);color:#000;box-shadow:0 0 20px #ffd70080}.game-badge-silver{background:linear-gradient(135deg,#e8e8e8,#b0b0b0);color:#000;box-shadow:0 0 20px #c0c0c080}.game-badge-bronze{background:linear-gradient(135deg,#e5a55d,#cd7f32);color:#000;box-shadow:0 0 20px #cd7f3280}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes shimmer{0%{background-position:-200% center}to{background-position:200% center}}.game-fade-in{animation:fadeIn .5s var(--ease-smooth) forwards}.game-fade-in-up{animation:fadeInUp .6s var(--ease-smooth) forwards}.game-scale-in{animation:scaleIn .4s var(--ease-bounce) forwards}.game-slide-in-left{animation:slideInLeft .5s var(--ease-smooth) forwards}.game-slide-in-right{animation:slideInRight .5s var(--ease-smooth) forwards}.game-pulse{animation:pulse 2s ease-in-out infinite}.game-delay-1{animation-delay:.1s}.game-delay-2{animation-delay:.2s}.game-delay-3{animation-delay:.3s}.game-delay-4{animation-delay:.4s}.game-delay-5{animation-delay:.5s}.game-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-2xl);gap:var(--spacing-md)}.game-loading-spinner{width:48px;height:48px;border:3px solid var(--border-color);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.game-loading-text{color:var(--text-secondary);font-size:14px}.game-empty{text-align:center;padding:var(--spacing-2xl);color:var(--text-muted)}.game-empty-icon{font-size:64px;margin-bottom:var(--spacing-md);opacity:.3;filter:grayscale(1)}.game-empty-text{font-size:16px;margin-bottom:var(--spacing-md)}.game-divider{height:1px;background:linear-gradient(90deg,transparent,var(--border-color),transparent);margin:var(--spacing-lg) 0}@media (max-width: 640px){:root{--spacing-lg: 20px;--spacing-xl: 28px}.game-container,.game-card{padding:var(--spacing-md)}.game-button{padding:12px 24px;font-size:13px;width:100%}.game-number{font-size:28px}.game-number-large{font-size:36px}.game-avatar{width:56px;height:56px}}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}.w-full{width:100%}.h-full{height:100%}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.hidden{display:none}@media (min-width: 640px){.sm\:hidden{display:none}}@media (min-width: 768px){.md\:hidden{display:none}}@media (min-width: 1024px){.lg\:hidden{display:none}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f5f5f5}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.container{max-width:1200px;margin:0 auto;padding:20px}.header{background-color:#1890ff;color:#fff;padding:16px;text-align:center;margin-bottom:20px;border-radius:8px}.card{background-color:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a;padding:20px;margin-bottom:20px}.btn{margin:0 8px}.form-item{margin-bottom:16px}.list-item{margin-bottom:12px;padding:12px;border:1px solid #e8e8e8;border-radius:4px}.list-item:hover{box-shadow:0 2px 8px #0000001a}.score{font-size:24px;font-weight:700;color:#1890ff}.team-name{font-size:18px;font-weight:700;margin-bottom:8px}.team-members{margin-top:12px}.member{display:flex;align-items:center;margin-bottom:8px}.member-avatar{width:32px;height:32px;border-radius:50%;margin-right:8px}.question{margin-bottom:20px;padding:16px;border:1px solid #e8e8e8;border-radius:4px}.question-content{font-size:16px;margin-bottom:12px}.question-options{margin-top:12px}.option{margin-bottom:8px;padding:8px;border:1px solid #e8e8e8;border-radius:4px;cursor:pointer}.option:hover{background-color:#f5f5f5}.option.selected{border-color:#1890ff;background-color:#e6f7ff}.option.correct{border-color:#52c41a;background-color:#f6ffed}.option.incorrect{border-color:#ff4d4f;background-color:#fff2f0}.task-submission{margin-top:20px}.task-upload{margin-top:16px}.reward-item{margin-bottom:16px;padding:16px;border:1px solid #e8e8e8;border-radius:4px}.reward-name{font-size:16px;font-weight:700;margin-bottom:8px}.reward-quantity{color:#1890ff;font-weight:700}.loading{display:flex;justify-content:center;align-items:center;height:200px}.error{color:#ff4d4f;margin-top:8px}.success{color:#52c41a;margin-top:8px}