.header{background-color:var(--bg-secondary);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:100;padding:var(--spacing-md) 0}.header-container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg);display:flex;justify-content:space-between;align-items:center}.header-logo{display:flex;align-items:center;gap:var(--spacing-sm);font-family:var(--font-serif);font-size:1.5rem;font-weight:600;color:var(--text-primary);transition:color var(--transition-fast)}.header-logo:hover{color:var(--accent-primary)}.logo-icon{font-size:2rem}.header-nav{display:flex;gap:var(--spacing-lg)}.nav-link{font-size:1rem;font-weight:500;color:var(--text-secondary);padding:var(--spacing-xs) var(--spacing-md);border-radius:var(--radius-sm);transition:all var(--transition-fast);position:relative}.nav-link:hover,.nav-link.active{color:var(--accent-primary);background-color:var(--bg-tertiary)}.nav-link.active:after{content:"";position:absolute;bottom:-4px;left:50%;transform:translate(-50%);width:4px;height:4px;border-radius:50%;background-color:var(--accent-primary)}@media (max-width: 640px){.header-logo{font-size:1.25rem}.logo-icon{font-size:1.5rem}.nav-link{font-size:.938rem;padding:var(--spacing-xs) var(--spacing-sm)}}.footer{background-color:var(--text-primary);color:var(--bg-primary);padding:var(--spacing-2xl) 0 var(--spacing-lg);margin-top:auto}.footer-container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg)}.footer-content{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-xl);padding-bottom:var(--spacing-xl);border-bottom:1px solid rgba(255,255,255,.1)}.footer-section{display:flex;flex-direction:column;gap:var(--spacing-sm)}.footer-title{font-family:var(--font-serif);font-size:1.125rem;font-weight:600;margin-bottom:var(--spacing-xs)}.footer-text{font-size:.938rem;line-height:1.6;opacity:.8}.footer-links{list-style:none;display:flex;flex-direction:column;gap:var(--spacing-xs)}.footer-links a{font-size:.938rem;opacity:.8;transition:all var(--transition-fast)}.footer-links a:hover{opacity:1;color:var(--accent-light)}.footer-bottom{padding-top:var(--spacing-lg);text-align:center}.copyright{font-size:.875rem;opacity:.6}@media (max-width: 768px){.footer-content{grid-template-columns:1fr;text-align:center}.footer-section{align-items:center}}.subject-card{display:block;background:var(--bg-secondary);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden;transition:all var(--transition-base);position:relative;border-top:4px solid var(--subject-color)}.subject-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}.subject-card-content{padding:var(--spacing-xl);display:flex;flex-direction:column;align-items:center;text-align:center;height:100%}.subject-card-icon{width:80px;height:80px;border-radius:50%;background-color:var(--bg-primary);display:flex;align-items:center;justify-content:center;margin-bottom:var(--spacing-md);transition:all var(--transition-base);color:var(--subject-color)}.subject-card:hover .subject-card-icon{background-color:var(--subject-color);color:#fff;transform:scale(1.1)}.subject-card-title{font-family:var(--font-serif);font-size:1.5rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-sm)}.subject-card-description{font-size:.938rem;color:var(--text-secondary);line-height:1.6;margin-bottom:var(--spacing-lg);flex:1}.subject-card-footer{display:flex;align-items:center;justify-content:space-between;width:100%;padding-top:var(--spacing-md);border-top:1px solid var(--bg-tertiary)}.subject-card-count{font-size:.938rem;font-weight:500;color:var(--text-secondary)}.subject-card-arrow{font-size:1.25rem;color:var(--subject-color);transition:transform var(--transition-fast)}.subject-card:hover .subject-card-arrow{transform:translate(4px)}@media (max-width: 768px){.subject-card-content{padding:var(--spacing-lg)}.subject-card-icon{width:60px;height:60px}.subject-card-title{font-size:1.25rem}}.home-page{padding-top:var(--spacing-xl)}.home-header{text-align:center;margin-bottom:var(--spacing-2xl);animation:fadeInDown .6s ease-out}.subject-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-xl);margin-bottom:var(--spacing-2xl)}.home-stats{display:flex;justify-content:center;gap:var(--spacing-2xl);padding:var(--spacing-xl);background:var(--bg-secondary);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);animation:fadeInUp .6s ease-out .2s both}.stat-item{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs)}.stat-number{font-family:var(--font-serif);font-size:2.5rem;font-weight:700;color:var(--accent-primary)}.stat-label{font-size:.938rem;color:var(--text-secondary)}@media (max-width: 968px){.subject-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 640px){.subject-grid{grid-template-columns:1fr}.home-stats{flex-direction:column;gap:var(--spacing-lg)}.stat-number{font-size:2rem}}.club-card{display:block;background:var(--bg-secondary);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden;transition:all var(--transition-base);position:relative}.club-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}.club-card-header{height:8px;background-color:var(--club-color)}.club-card-badge{display:inline-block;padding:4px 12px;background-color:var(--club-color);color:#fff;font-size:.75rem;font-weight:500;border-radius:12px;position:absolute;top:var(--spacing-md);right:var(--spacing-md)}.club-card-content{padding:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-sm)}.club-card-title{font-family:var(--font-serif);font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-xs)}.club-card-teachers{font-size:.875rem;color:var(--text-secondary);font-weight:500}.club-card-description{font-size:.938rem;color:var(--text-secondary);line-height:1.6;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.club-card-footer{display:flex;justify-content:space-between;align-items:center;padding-top:var(--spacing-md);margin-top:var(--spacing-xs);border-top:1px solid var(--bg-tertiary)}.club-card-members{display:flex;align-items:center;gap:6px;font-size:.875rem;color:var(--text-secondary)}.club-card-members svg{color:var(--club-color)}.club-card-link{font-size:.875rem;font-weight:500;color:var(--club-color);transition:transform var(--transition-fast)}.club-card:hover .club-card-link{transform:translate(4px)}@media (max-width: 768px){.club-card-content{padding:var(--spacing-md)}.club-card-title{font-size:1.125rem}}.subject-clubs-page{padding-top:var(--spacing-xl)}.subject-header{text-align:center;margin-bottom:var(--spacing-2xl);padding:var(--spacing-xl);background:var(--bg-secondary);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);border-top:4px solid var(--subject-color);animation:fadeInDown .6s ease-out}.club-count{display:inline-block;padding:var(--spacing-xs) var(--spacing-md);background-color:var(--bg-tertiary);border-radius:var(--radius-md);font-size:.938rem;font-weight:500;color:var(--text-secondary);margin-top:var(--spacing-sm)}.clubs-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-xl);animation:fadeInUp .6s ease-out .2s both}.error-state{text-align:center;padding:var(--spacing-2xl)}.error-title{font-family:var(--font-serif);font-size:2rem;color:var(--text-primary);margin-bottom:var(--spacing-md)}.error-text{font-size:1.125rem;color:var(--text-secondary);margin-bottom:var(--spacing-lg)}@media (max-width: 768px){.clubs-grid{grid-template-columns:1fr}.subject-header{padding:var(--spacing-lg)}.page-title{font-size:2rem}}.club-detail-page{padding-top:var(--spacing-xl)}.club-banner{background:linear-gradient(135deg,var(--club-color) 0%,rgba(139,69,19,.8) 100%);border-radius:var(--radius-xl);padding:var(--spacing-2xl);margin-bottom:var(--spacing-xl);box-shadow:var(--shadow-lg);animation:fadeInDown .6s ease-out}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.club-banner-content{text-align:center;color:#fff}.club-banner-icon{width:120px;height:120px;margin:0 auto var(--spacing-lg);background:#fff3;border-radius:50%;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.club-banner-title{font-family:var(--font-serif);font-size:2.5rem;font-weight:600;margin-bottom:var(--spacing-md)}.club-banner-tags{display:flex;justify-content:center;gap:var(--spacing-sm);flex-wrap:wrap}.tag{padding:6px 16px;background:#fff3;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.club-info-card{background:var(--bg-secondary);border-radius:var(--radius-lg);padding:var(--spacing-xl);margin-bottom:var(--spacing-xl);box-shadow:var(--shadow-md);animation:fadeInUp .6s ease-out .2s both}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-lg)}.info-item{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--bg-primary);border-radius:var(--radius-md)}.info-icon{width:48px;height:48px;background:var(--club-color);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}.info-content{display:flex;flex-direction:column;gap:4px}.info-label{font-size:.875rem;color:var(--text-secondary)}.info-value{font-size:1.125rem;font-weight:600;color:var(--text-primary)}.club-detail-content{display:flex;flex-direction:column;gap:var(--spacing-xl);margin-bottom:var(--spacing-xl);animation:fadeInUp .6s ease-out .3s both}.detail-section{background:var(--bg-secondary);border-radius:var(--radius-lg);padding:var(--spacing-xl);box-shadow:var(--shadow-md)}.section-title{font-family:var(--font-serif);font-size:1.5rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-sm);border-bottom:2px solid var(--bg-tertiary)}.section-text{font-size:1rem;line-height:1.8;color:var(--text-secondary)}.activity-list{list-style:none;display:flex;flex-direction:column;gap:var(--spacing-sm)}.activity-item{display:flex;align-items:center;gap:var(--spacing-sm);font-size:1rem;color:var(--text-secondary);padding:var(--spacing-sm) 0}.activity-bullet{width:8px;height:8px;background:var(--club-color);border-radius:50%;flex-shrink:0}.achievement-list{list-style:none;display:flex;flex-direction:column;gap:var(--spacing-sm)}.achievement-item{display:flex;align-items:center;gap:var(--spacing-sm);font-size:1rem;color:var(--text-secondary);padding:var(--spacing-sm) 0}.achievement-icon{color:#f39c12;flex-shrink:0}.club-action-bar{display:flex;justify-content:center;gap:var(--spacing-lg);padding:var(--spacing-xl);animation:fadeInUp .6s ease-out .4s both}.btn-back{background:var(--bg-tertiary);color:var(--text-primary);display:flex;align-items:center;gap:var(--spacing-xs);padding:12px 24px;border-radius:var(--radius-md);font-size:1rem;font-weight:500;cursor:pointer;transition:all var(--transition-base);border:none}.btn-back:hover{background:var(--bg-secondary);box-shadow:var(--shadow-md);transform:translateY(-2px)}@media (max-width: 768px){.club-banner{padding:var(--spacing-lg)}.club-banner-icon{width:80px;height:80px}.club-banner-title{font-size:1.75rem}.info-grid{grid-template-columns:1fr}.club-action-bar{flex-direction:column;align-items:center}.btn-back,.btn-primary{width:100%;justify-content:center}}.voice-float-btn{position:fixed;right:20px;bottom:20px;width:64px;height:64px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:50%;box-shadow:0 8px 20px #667eea66;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s cubic-bezier(.68,-.55,.265,1.55);z-index:9998;border:none;outline:none}.voice-float-btn:hover{transform:scale(1.1) rotate(10deg);box-shadow:0 12px 28px #667eea80}.voice-float-btn:active{transform:scale(.95)}.voice-float-btn.open{background:linear-gradient(135deg,#f093fb,#f5576c);box-shadow:0 8px 20px #f5576c66}.float-icon{color:#fff;transition:all .3s}.voice-assistant-panel{position:fixed;right:20px;bottom:100px;width:420px;max-width:calc(100vw - 40px);background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:24px;box-shadow:0 20px 60px #00000026,0 0 0 1px #ffffff80;padding:24px;z-index:9999;animation:slideInRight .4s cubic-bezier(.68,-.55,.265,1.55);overflow:hidden}@keyframes slideInRight{0%{opacity:0;transform:translate(100px) scale(.9)}to{opacity:1;transform:translate(0) scale(1)}}.voice-header{text-align:center;margin-bottom:20px}.voice-title{font-size:1.5rem;font-weight:600;color:#1e4663;display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:4px}.title-icon{font-size:1.8rem}.voice-badge{background:#ffb347;font-size:.75rem;padding:3px 10px;border-radius:20px;color:#1e3c5c;font-weight:500}.voice-subtitle{color:#4a6f8f;font-size:.8rem;font-weight:500}.voice-mic-container{margin:20px 0;display:flex;justify-content:center}.voice-mic-btn{width:120px;height:120px;border-radius:50%;background:radial-gradient(circle at 30% 30%,#fff,#eef2fc);border:none;box-shadow:0 15px 30px -8px #0003,0 0 0 6px #f0f5fd,0 0 0 10px #cbdbe0;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;outline:none}.voice-mic-btn:hover{transform:scale(1.05);box-shadow:0 18px 35px -8px #00000040,0 0 0 6px #f0f5fd,0 0 0 10px #cbdbe0}.voice-mic-btn:active{transform:scale(.98)}.voice-mic-btn.listening{background:radial-gradient(circle at 30% 30%,#ffd966,#ffb347);box-shadow:0 0 #ffb447b3;animation:pulseMic 1.3s infinite}.voice-mic-btn.listening .mic-icon{color:#2c3e2f;text-shadow:0 0 2px white}@keyframes pulseMic{0%{box-shadow:0 0 #ffb44799}70%{box-shadow:0 0 0 18px #ffb44700}to{box-shadow:0 0 #ffb44700}}.mic-icon{color:#1e4663;transition:all .2s}.voice-status-area{background:#eef3fc;border-radius:20px;padding:16px;margin:16px 0;min-height:100px;display:flex;flex-direction:column;justify-content:center}.voice-status-text{font-size:.9rem;font-weight:500;color:#1e4663;text-align:center;margin-bottom:12px;letter-spacing:.3px;line-height:1.5}.voice-feedback{display:flex;flex-direction:column;gap:8px}.voice-question{font-size:.85rem;background:#fff;border-radius:16px;padding:10px 14px;text-align:left;word-break:break-word;color:#2c4c6e;box-shadow:0 1px 3px #0000000d;border-left:4px solid #ffb347}.voice-answer{font-size:.85rem;background:#fefef5;border-radius:16px;padding:10px 14px;text-align:left;word-break:break-word;color:#2c4c6e;box-shadow:0 1px 3px #0000000d;border-left:4px solid #1e4663}.voice-tips{font-size:.75rem;color:#6682a0;margin-top:16px;background:#eef3fc80;padding:10px 15px;border-radius:20px;text-align:center;line-height:1.6}.voice-tips span{font-weight:600;color:#1e4663}.voice-footer{margin-top:12px;font-size:.7rem;color:#6a89aa;text-align:center}@media (max-width: 480px){.voice-float-btn{right:15px;bottom:15px;width:56px;height:56px}.voice-assistant-panel{right:15px;bottom:85px;width:calc(100vw - 30px);padding:20px}.voice-mic-btn{width:100px;height:100px}.voice-title{font-size:1.3rem}}:root{--bg-primary: #F5F1EB;--bg-secondary: #FFFFFF;--bg-tertiary: #E8E4DE;--text-primary: #2C3E50;--text-secondary: #5D6D7E;--text-light: #AAB7B8;--accent-primary: #8B4513;--accent-hover: #A0522D;--accent-light: #D2691E;--subject-chinese: #C0392B;--subject-math: #2980B9;--subject-english: #27AE60;--subject-physics: #8E44AD;--subject-chemistry: #E67E22;--subject-biology: #16A085;--subject-history: #D35400;--subject-geography: #3498DB;--subject-politics: #9B59B6;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12);--shadow-hover: 0 12px 32px rgba(0, 0, 0, .15);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--transition-fast: .2s ease;--transition-base: .3s ease;--transition-slow: .5s ease;--spacing-xs: 8px;--spacing-sm: 12px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--font-serif: "Georgia", "Times New Roman", "SimSun", serif;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg)}.text-center{text-align:center}.text-serif{font-family:var(--font-serif)}a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}a:hover{color:var(--accent-primary)}.btn{display:inline-block;padding:12px 24px;border-radius:var(--radius-md);font-size:1rem;font-weight:500;cursor:pointer;transition:all var(--transition-base);border:none;outline:none}.btn-primary{background-color:var(--accent-primary);color:#fff}.btn-primary:hover{background-color:var(--accent-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}.card{background:var(--bg-secondary);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden;transition:all var(--transition-base)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}@media (max-width: 768px){:root{--spacing-xl: 24px;--spacing-2xl: 32px}.container{padding:0 var(--spacing-md)}}.page-enter{opacity:0;transform:translateY(20px)}.page-enter-active{opacity:1;transform:translateY(0);transition:opacity var(--transition-slow),transform var(--transition-slow)}.page-exit{opacity:1}.page-exit-active{opacity:0;transition:opacity var(--transition-base)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-tertiary)}::-webkit-scrollbar-thumb{background:var(--accent-light);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent-hover)}body{min-height:100vh}.page{flex:1;display:flex;flex-direction:column;padding:var(--spacing-2xl) 0;animation:fadeIn .5s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.page-title{font-family:var(--font-serif);font-size:2.5rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-lg);text-align:center}.page-subtitle{font-size:1.125rem;color:var(--text-secondary);text-align:center;max-width:600px;margin:0 auto var(--spacing-2xl)}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-xl)}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-xl)}@media (max-width: 968px){.grid-3{grid-template-columns:repeat(2,1fr)}}@media (max-width: 640px){.grid-3,.grid-2{grid-template-columns:1fr}}.breadcrumb{display:flex;align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-xl);font-size:.938rem;color:var(--text-secondary)}.breadcrumb a{color:var(--accent-primary);transition:color var(--transition-fast)}.breadcrumb a:hover{color:var(--accent-hover)}.breadcrumb-separator{color:var(--text-light)}.loading{display:flex;align-items:center;justify-content:center;min-height:400px;font-size:1.125rem;color:var(--text-secondary)}.empty-state{text-align:center;padding:var(--spacing-2xl);color:var(--text-secondary)}.empty-state-icon{font-size:4rem;margin-bottom:var(--spacing-md);opacity:.3}