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infinite}.scroll-indicator:before{content:"↓";font-size:1.25rem}@keyframes bounce{0%,to{transform:translate(-50%) translateY(0)}50%{transform:translate(-50%) translateY(8px)}}.section{padding:var(--space-20) 0}.section-header{text-align:center;margin-bottom:var(--space-16)}.section-title{font-size:clamp(2rem,4vw,3rem);font-weight:800;letter-spacing:-.02em;color:var(--text-primary);margin-bottom:var(--space-4)}.section-subtitle{font-size:clamp(1rem,1.5vw,1.125rem);color:var(--text-secondary);max-width:600px;margin:0 auto;line-height:1.8}.impact .section-header{text-align:left}.impact .section-subtitle{margin:0}.impact .knowledge-grid{justify-items:start}.features{background:var(--bg-secondary)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-6);max-width:1200px;margin:0 auto}.feature-card{background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:var(--space-8);transition:all 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var(--transition-fast)}.filter-btn:hover{color:var(--primary-start);background:#10b9811a;border-color:var(--primary-start)}.filter-btn.active{background:linear-gradient(135deg,var(--primary-start),var(--primary-end));color:var(--text-inverse);border-color:var(--primary-start);box-shadow:0 4px 12px var(--primary-glow)}.articles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:var(--space-6);max-width:1200px;margin:var(--space-10) auto}.article-card{background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-xl);overflow:hidden;transition:all var(--transition-base);cursor:pointer;display:flex;flex-direction:column}.article-card:hover{border-color:var(--primary-start);box-shadow:var(--shadow-xl),var(--shadow-glow);transform:translateY(-8px)}.article-image{width:100%;height:200px;overflow:hidden;background:var(--bg-tertiary);position:relative}.article-image img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}.article-card:hover .article-image img{transform:scale(1.05)}.article-content{padding:var(--space-6);flex:1;display:flex;flex-direction:column}.article-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-3)}.article-category{display:inline-block;padding:var(--space-1) var(--space-3);font-size:.75rem;font-weight:600;border-radius:var(--radius-full);background:#10b9811a;color:var(--primary-start)}.article-featured{display:inline-flex;align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-3);font-size:.75rem;font-weight:600;border-radius:var(--radius-full);background:linear-gradient(135deg,#fbbf24,#f59e0b);color:var(--text-inverse)}.article-title{font-size:var(--font-lg);font-weight:700;color:var(--text-primary);margin-bottom:var(--space-3);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.article-excerpt{color:var(--text-secondary);line-height:1.8;margin-bottom:var(--space-4);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1}.article-tags{display:flex;gap:var(--space-2);flex-wrap:wrap;margin-bottom:var(--space-4)}.article-tags .tag{font-size:.75rem;color:var(--text-tertiary);padding:var(--space-1) var(--space-2);background:var(--bg-secondary);border-radius:var(--radius-sm)}.article-footer{display:flex;justify-content:space-between;align-items:center;padding-top:var(--space-4);border-top:1px solid var(--border-light)}.article-views{display:flex;align-items:center;gap:var(--space-1);font-size:.75rem;color:var(--text-tertiary)}.article-date{font-size:.75rem;color:var(--text-tertiary)}.empty-state{text-align:center;padding:var(--space-20) var(--space-6);color:var(--text-tertiary)}.empty-state p{font-size:var(--font-lg)}.loading{text-align:center;padding:var(--space-20) var(--space-6);color:var(--text-secondary)}.article-detail{max-width:900px;margin:0 auto;padding:var(--space-12) var(--space-6)}.back-btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);font-size:var(--font-sm);color:var(--text-secondary);background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);margin-bottom:var(--space-8)}.back-btn:hover{color:var(--primary-start);background:#10b9811a;border-color:var(--primary-start)}.detail-content{background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:var(--space-8)}.detail-header{margin-bottom:var(--space-8)}.detail-title{font-size:clamp(2rem,4vw,2.5rem);font-weight:800;color:var(--text-primary);margin-bottom:var(--space-4);line-height:1.3;letter-spacing:-.02em}.detail-meta{display:flex;gap:var(--space-4);align-items:center;flex-wrap:wrap;margin-bottom:var(--space-4);padding-bottom:var(--space-4);border-bottom:1px solid var(--border-light)}.detail-category{padding:var(--space-1) var(--space-3);font-size:.75rem;font-weight:600;border-radius:var(--radius-full);background:#10b9811a;color:var(--primary-start)}.detail-author,.detail-date,.detail-views{font-size:var(--font-sm);color:var(--text-secondary)}.detail-tags{display:flex;gap:var(--space-2);flex-wrap:wrap;margin-top:var(--space-4)}.detail-tags .tag{padding:var(--space-1) var(--space-3);font-size:.75rem;color:var(--text-secondary);background:var(--bg-secondary);border-radius:var(--radius-sm)}.detail-cover{width:100%;height:400px;margin:var(--space-6) 0;border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-tertiary)}.detail-cover img{width:100%;height:100%;object-fit:cover}.detail-summary{padding:var(--space-4);background:var(--bg-secondary);border-left:4px solid var(--primary-start);border-radius:var(--radius-md);margin-bottom:var(--space-8);color:var(--text-secondary);line-height:1.8}.detail-body{color:var(--text-primary);font-size:var(--font-base);line-height:1.8}.detail-body p{margin-bottom:var(--space-4)}.detail-body h2,.detail-body h3,.detail-body h4{margin-top:var(--space-8);margin-bottom:var(--space-4);color:var(--text-primary);font-weight:700}.detail-body h2{font-size:var(--font-xl)}.detail-body h3{font-size:var(--font-lg)}.detail-body ul,.detail-body ol{margin:var(--space-4) 0;padding-left:var(--space-6)}.detail-body li{margin-bottom:var(--space-2)}.knowledge-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--space-6);max-width:1200px;margin:0;justify-items:start}.knowledge-card{background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-xl);overflow:hidden;transition:all var(--transition-base);cursor:pointer}.knowledge-card:hover{border-color:var(--primary-start);box-shadow:var(--shadow-xl),var(--shadow-glow);transform:translateY(-8px)}.knowledge-image{width:100%;height:200px;overflow:hidden;background:var(--bg-tertiary)}.knowledge-image img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}.knowledge-card:hover .knowledge-image img{transform:scale(1.05)}.knowledge-content{padding:var(--space-6)}.knowledge-category{display:inline-block;padding:var(--space-1) var(--space-3);font-size:.75rem;font-weight:600;border-radius:var(--radius-full);background:#10b9811a;color:var(--primary-start);margin-bottom:var(--space-3)}.knowledge-title{font-size:var(--font-lg);font-weight:700;color:var(--text-primary);margin-bottom:var(--space-3);line-height:1.4}.knowledge-excerpt{color:var(--text-secondary);line-height:1.8;margin-bottom:var(--space-4)}.knowledge-tags{display:flex;gap:var(--space-2);flex-wrap:wrap}.knowledge-tags .tag{font-size:.75rem;color:var(--text-tertiary)}.categories{background:var(--bg-secondary)}.categories-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--space-6);max-width:1200px;margin:0 auto}.category-card{background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:var(--space-8);transition:all var(--transition-base)}.category-card:hover{border-color:var(--primary-start);box-shadow:var(--shadow-lg),var(--shadow-glow);transform:translateY(-4px)}.category-icon{font-size:3.5rem;margin-bottom:var(--space-4)}.category-title{font-size:var(--font-xl);font-weight:700;color:var(--text-primary);margin-bottom:var(--space-2)}.category-price{font-size:var(--font-2xl);font-weight:800;background:linear-gradient(135deg,var(--primary-start),var(--primary-end));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--space-4)}.category-items{list-style:none;margin-bottom:var(--space-4)}.category-items li{padding:var(--space-2) 0;color:var(--text-secondary);border-bottom:1px solid var(--border-light)}.category-items li:last-child{border-bottom:none}.category-tips{padding:var(--space-3);background:#10b9811a;border-radius:var(--radius-lg);color:var(--primary-start);font-size:var(--font-sm);font-weight:500}.process{background:var(--bg-primary)}.process-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--space-8);max-width:1000px;margin:0 auto}.process-step{text-align:center;position:relative}.step-number{width:64px;height:64px;margin:0 auto var(--space-4);background:linear-gradient(135deg,var(--primary-start),var(--primary-end));color:var(--text-inverse);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:var(--font-2xl);font-weight:800;box-shadow:0 8px 20px var(--primary-glow)}.process-step h4{font-size:var(--font-lg);font-weight:700;color:var(--text-primary);margin-bottom:var(--space-2)}.process-step p{color:var(--text-secondary);line-height:1.8}.faq{background:var(--bg-secondary)}.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:var(--space-4)}.faq-item{background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:var(--space-6);transition:all var(--transition-fast)}.faq-item:hover{border-color:var(--primary-start);box-shadow:var(--shadow-md)}.faq-item h4{font-size:var(--font-lg);font-weight:700;color:var(--text-primary);margin-bottom:var(--space-3)}.faq-item p{color:var(--text-secondary);line-height:1.8}.eco-tips{background:var(--bg-primary)}.tips-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--space-6);max-width:1000px;margin:0 auto}.tip-card{background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:var(--space-6);text-align:center;transition:all var(--transition-base)}.tip-card:hover{border-color:var(--primary-start);box-shadow:var(--shadow-lg),var(--shadow-glow);transform:translateY(-4px)}.tip-icon{font-size:3rem;margin-bottom:var(--space-4)}.tip-card h4{font-size:var(--font-lg);font-weight:700;color:var(--text-primary);margin-bottom:var(--space-2)}.tip-card p{color:var(--text-secondary);line-height:1.8;font-size:var(--font-sm)}.page-hero{position:relative;padding:var(--space-24) var(--space-6) var(--space-16);background:radial-gradient(ellipse at top,var(--bg-secondary),var(--bg-primary));text-align:center;margin-top:80px}.page-hero:before{content:"";position:absolute;top:-20%;right:-10%;width:500px;height:500px;background:radial-gradient(circle,var(--primary-glow) 0%,transparent 70%);opacity:.3;animation:float 25s ease-in-out infinite}.page-hero-content{position:relative;z-index:10;max-width:800px;margin:0 auto}.page-title{font-size:clamp(2.5rem,5vw,4rem);font-weight:800;letter-spacing:-.02em;margin-bottom:var(--space-4);background:linear-gradient(135deg,var(--primary-start),var(--primary-end));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.page-subtitle{font-size:clamp(1rem,1.5vw,1.25rem);color:var(--text-secondary);line-height:1.8;max-width:600px;margin:0 auto}.about-page .mission{padding:var(--space-20) var(--space-6);background:var(--bg-primary)}.mission-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-6);max-width:1000px;margin:0 auto}.mission-card{background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:var(--space-8);transition:all var(--transition-base)}.mission-card:hover{border-color:var(--primary-start);box-shadow:var(--shadow-lg),var(--shadow-glow);transform:translateY(-4px)}.mission-card h3{font-size:var(--font-xl);font-weight:700;color:var(--text-primary);margin-bottom:var(--space-4)}.mission-card p{color:var(--text-secondary);line-height:1.8}.team{padding:var(--space-20) var(--space-6);background:var(--bg-secondary)}.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--space-6);max-width:1000px;margin:0 auto}.team-card{background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:var(--space-6);text-align:center;transition:all var(--transition-base)}.team-card:hover{border-color:var(--primary-start);box-shadow:var(--shadow-lg),var(--shadow-glow);transform:translateY(-4px)}.team-avatar{font-size:4rem;margin-bottom:var(--space-4)}.team-card h4{font-size:var(--font-lg);font-weight:700;color:var(--text-primary);margin-bottom:var(--space-1)}.team-card>p{color:var(--primary-start);font-size:var(--font-sm);font-weight:500;margin-bottom:var(--space-3)}.team-desc{color:var(--text-secondary)!important;font-size:var(--font-sm);line-height:1.8}.timeline{padding:var(--space-20) var(--space-6);background:var(--bg-primary)}.timeline-container{position:relative;max-width:800px;margin:0 auto}.timeline-container:before{content:"";position:absolute;left:50%;transform:translate(-50%);width:2px;height:100%;background:linear-gradient(180deg,var(--primary-start),var(--primary-end))}.timeline-item{display:flex;justify-content:flex-end;padding:var(--space-6) 0;position:relative}.timeline-item:nth-child(odd){justify-content:flex-start}.timeline-dot{position:absolute;left:50%;transform:translate(-50%);width:40px;height:40px;background:linear-gradient(135deg,var(--primary-start),var(--primary-end));border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;color:var(--text-inverse);font-weight:700;font-size:var(--font-sm);box-shadow:0 0 0 8px var(--bg-primary),var(--shadow-glow)}.timeline-content{width:45%;background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:var(--space-6);transition:all var(--transition-base)}.timeline-content:hover{border-color:var(--primary-start);box-shadow:var(--shadow-lg)}.timeline-content h4{font-size:var(--font-lg);font-weight:700;color:var(--primary-start);margin-bottom:var(--space-2)}.timeline-content p{color:var(--text-secondary);line-height:1.8;font-size:var(--font-sm)}.partners{padding:var(--space-20) var(--space-6);background:var(--bg-secondary)}.partners-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-6);max-width:1000px;margin:0 auto}.partner-card{background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:var(--space-6);text-align:center;transition:all var(--transition-base)}.partner-card:hover{border-color:var(--primary-start);box-shadow:var(--shadow-md)}.partner-icon{font-size:3rem;margin-bottom:var(--space-4)}.partner-card h4{font-size:var(--font-base);font-weight:700;color:var(--text-primary);margin-bottom:var(--space-2)}.partner-card p{color:var(--text-secondary);font-size:var(--font-sm);line-height:1.8}.contact-page .contact-methods{padding:var(--space-20) var(--space-6);background:var(--bg-primary)}.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--space-6);max-width:1000px;margin:0 auto}.contact-card{background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:var(--space-8);text-align:center;transition:all var(--transition-base)}.contact-card:hover{border-color:var(--primary-start);box-shadow:var(--shadow-lg),var(--shadow-glow);transform:translateY(-4px)}.contact-icon{font-size:3rem;margin-bottom:var(--space-4)}.contact-card h3{font-size:var(--font-lg);font-weight:700;color:var(--text-primary);margin-bottom:var(--space-3)}.contact-value{font-size:var(--font-xl);font-weight:700;color:var(--primary-start);margin-bottom:var(--space-2)}.contact-desc{color:var(--text-tertiary);font-size:var(--font-sm)}.contact-page .support{padding:var(--space-20) var(--space-6);background:var(--bg-secondary)}.support-hours{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--space-6);max-width:800px;margin:0 auto}.hours-card{background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:var(--space-6)}.hours-card h4{font-size:var(--font-lg);font-weight:700;color:var(--text-primary);margin-bottom:var(--space-4)}.hours-card p{color:var(--text-secondary);padding:var(--space-2) 0;line-height:1.8}.contact-form-section{padding:var(--space-20) var(--space-6);background:var(--bg-primary)}.form-container{max-width:600px;margin:0 auto;background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:var(--space-8)}.form-title{font-size:var(--font-2xl);font-weight:800;color:var(--text-primary);text-align:center;margin-bottom:var(--space-2)}.form-subtitle{text-align:center;color:var(--text-secondary);margin-bottom:var(--space-8)}.form-group{margin-bottom:var(--space-6)}.form-group label{display:block;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-2);font-size:var(--font-sm)}.form-group input,.form-group textarea{width:100%;padding:var(--space-3) var(--space-4);background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-md);color:var(--text-primary);font-size:var(--font-base);font-family:inherit;transition:all var(--transition-fast)}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-start);box-shadow:0 0 0 3px var(--primary-glow)}.form-group textarea{resize:vertical;min-height:120px}.social-section{padding:var(--space-20) var(--space-6);background:var(--bg-secondary)}.social-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-6);max-width:800px;margin:0 auto}.social-card{background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:var(--space-6);text-align:center;text-decoration:none;color:var(--text-primary);transition:all var(--transition-base)}.social-card:hover{border-color:var(--primary-start);box-shadow:var(--shadow-lg),var(--shadow-glow);transform:translateY(-4px);color:var(--primary-start)}.social-icon{font-size:3rem;margin-bottom:var(--space-4)}.social-card h4{font-size:var(--font-lg);font-weight:700;margin-bottom:var(--space-1)}.social-card p{color:var(--text-tertiary);font-size:var(--font-sm)}.cta-section{padding:var(--space-20) var(--space-6);background:linear-gradient(135deg,var(--primary-start),var(--primary-end));text-align:center;position:relative;overflow:hidden}.cta-section:before{content:"";position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(255,255,255,.2) 0%,transparent 70%);border-radius:50%}.cta-content{position:relative;z-index:10;max-width:700px;margin:0 auto}.cta-content h2{font-size:clamp(2rem,4vw,3rem);font-weight:800;color:var(--text-inverse);margin-bottom:var(--space-4);letter-spacing:-.02em}.cta-content p{font-size:var(--font-lg);color:#ffffffe6;margin-bottom:var(--space-8);line-height:1.8}.cta-content .btn-primary{background:var(--text-inverse);color:var(--primary-start)}.footer{background:var(--bg-secondary);border-top:1px solid var(--border-light);padding:var(--space-16) var(--space-6) var(--space-8)}.footer-container{max-width:1280px;margin:0 auto}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:var(--space-12);margin-bottom:var(--space-12)}.footer-brand{max-width:300px}.footer-logo{display:flex;align-items:center;gap:var(--space-3);font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--space-4)}.footer-slogan{color:var(--primary-start);font-weight:600;margin-bottom:var(--space-3)}.footer-desc{color:var(--text-secondary);line-height:1.8;font-size:var(--font-sm)}.footer-links h4,.footer-contact h4{font-size:var(--font-sm);font-weight:700;color:var(--text-primary);margin-bottom:var(--space-4);text-transform:uppercase;letter-spacing:.05em}.footer-links ul,.footer-contact ul{list-style:none}.footer-links li,.footer-contact li{margin-bottom:var(--space-3)}.footer-links a{color:var(--text-secondary);text-decoration:none;font-size:var(--font-sm);transition:color var(--transition-fast)}.footer-links a:hover{color:var(--primary-start)}.footer-contact li{color:var(--text-secondary);font-size:var(--font-sm)}.footer-bottom{padding-top:var(--space-8);border-top:1px solid var(--border-light);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--space-4)}.footer-legal{display:flex;gap:var(--space-6);flex-wrap:wrap}.footer-legal a{color:var(--text-tertiary);text-decoration:none;font-size:var(--font-sm);transition:color var(--transition-fast)}.footer-legal a:hover{color:var(--text-primary)}@media (max-width: 1024px){.footer-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.nav{display:none}.header-actions{gap:var(--space-2)}.login-btn{display:none}.hero-stats,.features-grid,.knowledge-grid,.categories-grid,.process-steps{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:var(--space-8)}.footer-bottom{flex-direction:column;text-align:center}.footer-legal{justify-content:center}}.download-page{min-height:100vh}.download-section{padding:var(--space-20) 0;background:var(--bg-secondary)}.download-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-8);max-width:1200px;margin:0 auto}.download-card{background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:var(--space-8);text-align:center;transition:all var(--transition-base)}.download-card:hover{border-color:var(--primary-start);box-shadow:var(--shadow-xl),var(--shadow-glow);transform:translateY(-4px)}.download-icon{font-size:3rem;margin-bottom:var(--space-4)}.download-card h3{font-size:1.5rem;font-weight:700;margin-bottom:var(--space-2);color:var(--text-primary)}.download-desc{color:var(--text-secondary);margin-bottom:var(--space-6)}.qr-code{margin:var(--space-6) 0}.qr-placeholder{width:200px;height:200px;margin:0 auto;background:var(--bg-tertiary);border:2px dashed var(--border-medium);border-radius:var(--radius-lg);display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-tertiary);font-size:.875rem}.qr-placeholder span{display:block}.qr-hint{font-size:.75rem;margin-top:var(--space-2);opacity:.7}.qr-instruction{font-size:.875rem;color:var(--text-secondary)}.download-info{padding:var(--space-20) 0}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-6);max-width:1200px;margin:0 auto}.info-item{background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-6)}.info-item h4{font-size:1.125rem;font-weight:600;margin-bottom:var(--space-3);color:var(--text-primary)}.info-item p{color:var(--text-secondary);line-height:1.8}.fade-in{opacity:0;transform:translateY(20px);animation:fadeInUp .8s var(--ease-out-expo) forwards}@keyframes fadeInUp{to{opacity:1;transform:translateY(0)}}.delay-1{animation-delay:.1s}.delay-2{animation-delay:.2s}.delay-3{animation-delay:.3s}.delay-4{animation-delay:.4s}.main-content{padding-top:var(--header-height)}.footer-social{display:flex;gap:var(--space-4);align-items:center}.social-link{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-lg);color:var(--text-secondary);text-decoration:none;transition:all var(--transition-fast);cursor:pointer}.social-link:hover{border-color:var(--primary-start);color:var(--primary-start);background:#10b9811a;transform:translateY(-2px)}.social-icon{font-size:1.1rem}.social-name{font-size:var(--font-sm);font-weight:500}.wechat-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.wechat-modal{background:var(--bg-primary);border-radius:var(--radius-xl);padding:var(--space-8);max-width:400px;width:90%;position:relative;box-shadow:var(--shadow-xl);animation:slideUp .3s ease}.wechat-close{position:absolute;top:var(--space-4);right:var(--space-4);background:none;border:none;font-size:1.5rem;color:var(--text-tertiary);cursor:pointer;padding:var(--space-2);line-height:1}.wechat-close:hover{color:var(--text-primary)}.wechat-modal-header{display:flex;align-items:center;gap:var(--space-3);margin-bottom:var(--space-6)}.wechat-icon{font-size:2rem}.wechat-modal-header h3{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin:0}.wechat-modal-body{text-align:center}.wechat-id{font-size:1.5rem;font-weight:700;color:var(--primary-start);margin-bottom:var(--space-6);padding:var(--space-4);background:var(--bg-secondary);border-radius:var(--radius-lg)}.wechat-copy-btn{width:100%;padding:var(--space-4);background:var(--primary-start);color:#fff;border:none;border-radius:var(--radius-lg);font-size:var(--font-base);font-weight:600;cursor:pointer;transition:all var(--transition-fast);margin-bottom:var(--space-6)}.wechat-copy-btn:hover{background:var(--primary-end);transform:translateY(-2px)}.wechat-qr-placeholder{padding:var(--space-8);background:var(--bg-secondary);border-radius:var(--radius-lg);border:2px dashed var(--border-light)}.wechat-qr-placeholder p{color:var(--text-tertiary);font-size:var(--font-sm);margin:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.wechat-modal{width:95%;padding:var(--space-6)}.wechat-id{font-size:1.25rem}}.wechat-modal-overlay{overflow:auto}.wechat-modal{max-height:90vh;overflow-y:auto}.footer-social{display:flex!important;flex-wrap:wrap!important;gap:12px!important;align-items:center!important;justify-content:center!important}.social-link{display:inline-flex!important;align-items:center!important;gap:6px!important;padding:8px 16px!important;background:#fff!important;border:1px solid #e5e7eb!important;border-radius:10px!important;color:#6b7280!important;text-decoration:none!important;transition:all .2s!important;height:40px!important;box-sizing:border-box!important}.social-link:hover{border-color:#10b981!important;color:#10b981!important;background:#f0fdf4!important}.social-icon,.social-link svg{flex-shrink:0!important;width:20px!important;height:20px!important}.social-name{font-size:14px!important;font-weight:500!important;line-height:1!important}@media (max-width: 768px){.social-link{height:36px!important;padding:6px 12px!important}.social-icon,.social-link svg{width:18px!important;height:18px!important}.social-name{font-size:13px!important}}