:root{--primary:#00f0ff;--primary-dark:#00bfff;--secondary:#0088ff;--neon-glow:0 0 10px rgba(0,240,255,0.7),0 0 20px rgba(0,191,255,0.5),0 0 30px rgba(0,136,255,0.3);--dark-bg:#0a0a1a;--bg-base:#05050a;--card-bg:rgba(20,25,40,0.8);--text-primary:#f0f8ff;--text-secondary:#a0d0ff;--border-color:rgba(0,191,255,0.3);--hover-transition:all 0.3s cubic-bezier(0.25,0.8,0.25,1);--shadow-sm:0 1px 10px rgba(0,136,255,0.2);--shadow-md:0 4px 20px rgba(0,136,255,0.3);--shadow-lg:0 10px 30px rgba(0,136,255,0.4);--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--glass-blur:blur(16px);--glass-bg:rgba(20,25,40,0.7);--bg-surface:rgba(15,20,30,0.6);--bg-surface-hover:rgba(25,30,45,0.8);--border-subtle:rgba(255,255,255,0.08);--border-focus:rgba(0,240,255,0.4);--radius-pill:50px;--transition-fast:0.2s cubic-bezier(0.4,0,0.2,1);--transition-smooth:0.3s cubic-bezier(0.4,0,0.2,1);--accent-green:#10b981;--accent-orange:#f59e0b;--accent-red:#ef4444;--active-gradient:linear-gradient(135deg,#00f0ff,#0088ff);--active-shadow:0 0 15px rgba(0,240,255,0.5);--success:#10b981;--success-dark:#047857}*{box-sizing:border-box;margin:0;padding:0;font-family:"Inter","Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,"Open Sans","Helvetica Neue",sans-serif}body{background-color:var(--dark-bg);color:var(--text-primary);min-height:100vh;display:flex;flex-direction:column;line-height:1.6}body::before{content:"";position:fixed;top:-5%;left:-5%;width:110%;height:110%;z-index:-1;background-color:#05050a;background-image:url("https://pub-cc9a0b8102b14b8b8025a54a52da5d6f.r2.dev/wallpaper_2.avif");background-size:cover;background-position:center;background-repeat:no-repeat;filter:blur(20px) brightness(0.3);pointer-events:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.icon{width:1.2em;height:1.2em;fill:currentColor;flex-shrink:0}.icon-stroke{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}header{backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,0.05);box-shadow:0 10px 30px -10px rgba(0,0,0,0.5);padding:1.25rem 2.5rem;position:sticky;top:0;z-index:100;display:flex;justify-content:space-between;align-items:center}.header-left{display:flex;align-items:center}.logo-block{display:flex;align-items:center;text-decoration:none;transition:all var(--transition-smooth);filter:drop-shadow(0 0 15px rgba(0,240,255,0.6));-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none}.logo-block:focus{outline:none}.logo-block:active{animation:clickPulse 0.18s ease-out}.av1core-logo{font-family:"JetBrains Mono",monospace;font-size:2.25rem;font-weight:1000;letter-spacing:0.05em;display:flex;align-items:center}.av1-text{background:linear-gradient(135deg,var(--primary),var(--primary-dark));background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.core-text{color:#fff}.cursor{color:var(--primary);font-weight:400;margin-left:2px;animation:blink 1.1s step-end infinite;text-shadow:0 0 10px rgba(0,240,255,0.8)}@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}nav.header-center{display:flex;gap:1.5rem;background:rgba(255,255,255,0.02);padding:0.5rem 1rem;border-radius:var(--radius-pill);border:1px solid rgba(255,255,255,0.03)}.nav-link{display:flex;align-items:center;gap:0.5rem;color:var(--text-secondary);text-decoration:none;font-weight:500;font-size:0.9rem;padding:0.6rem 1.25rem;border-radius:var(--radius-pill);transition:all var(--transition-smooth);border:1px solid transparent;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none}.nav-link:hover{color:var(--text-primary);background:rgba(255,255,255,0.06);border-color:rgba(255,255,255,0.05);box-shadow:0 4px 15px rgba(0,0,0,0.2);transform:translateY(-1px)}.nav-link .icon{opacity:0.6;transition:all var(--transition-smooth)}.nav-link:hover .icon{opacity:1;color:var(--primary);transform:scale(1.1)}.header-right{display:flex;align-items:center}.header-search-container{position:relative;display:flex;align-items:center}.header-search-input{background:rgba(10,15,25,0.4);border:1px solid rgba(255,255,255,0.06);box-shadow:inset 0 2px 5px rgba(0,0,0,0.3);border-radius:var(--radius-pill);padding:0.75rem 3rem 0.75rem 1.5rem;color:var(--text-primary);font-size:0.95rem;width:260px;transition:all var(--transition-smooth)}.header-search-input:focus{outline:none;background:rgba(15,20,30,0.8);border-color:var(--primary);box-shadow:inset 0 2px 5px rgba(0,0,0,0.4),0 0 15px rgba(0,240,255,0.15);width:300px}.header-search-input::placeholder{color:rgba(148,163,184,0.6)}.header-search-button{position:absolute;right:8px;background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.05);border-radius:50%;width:34px;height:34px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-smooth)}.header-search-button:hover,.header-search-input:focus+.header-search-button{color:var(--dark-bg);background:var(--primary);border-color:var(--primary);box-shadow:0 0 15px rgba(0,240,255,0.4);transform:rotate(90deg)}.full-page-container{flex:1;max-width:1200px;margin:0 auto;padding:4rem 2rem;width:100%}.page-header{margin-bottom:4rem;text-align:center;animation:fadeInDown 0.6s ease-out}.page-title{font-size:3.5rem;font-weight:800;letter-spacing:-0.04em;background:linear-gradient(135deg,#fff 30%,var(--text-secondary));background-clip:text;margin-bottom:1rem;line-height:1.1}.page-subtitle{font-size:1.25rem;color:var(--text-secondary);max-width:600px;margin:0 auto;font-weight:400}@keyframes fadeInDown{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.support-section{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:3rem;backdrop-filter:blur(10px);box-shadow:0 20px 40px -10px rgba(0,0,0,0.5);position:relative;overflow:hidden}.support-section::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--primary),transparent);opacity:0.5}.step-container{margin-bottom:3rem}.step-container:last-child{margin-bottom:0}.section-title{font-size:1.75rem;font-weight:700;color:#fff;margin-bottom:1.5rem;text-align:center;letter-spacing:-0.02em}.info-box{background:rgba(10,15,25,0.4);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:2rem;margin:0 auto 3rem;max-width:800px;text-align:center;position:relative;overflow:hidden}.info-box::before{content:"";position:absolute;top:0;left:0;width:3px;height:100%;background:linear-gradient(to bottom,var(--primary),var(--primary-dark))}.info-title{display:flex;align-items:center;justify-content:center;gap:0.5rem;font-weight:600;color:var(--primary);margin-bottom:1rem;font-size:1.25rem}.info-box p{color:var(--text-secondary);font-size:1.05rem;line-height:1.7;margin:0}.crypto-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin:2rem auto}.crypto-card{background:rgba(10,15,25,0.4);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:2.5rem 1.5rem;display:flex;flex-direction:column;align-items:center;transition:all var(--transition-smooth);position:relative;overflow:hidden}.crypto-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(to right,var(--primary),var(--primary-dark));opacity:0.8}.crypto-icon{font-size:3rem;margin-bottom:1.25rem;color:var(--primary);transition:transform var(--transition-fast)}.crypto-name{font-weight:700;color:#ffffff;margin-bottom:1.5rem;font-size:1.25rem}.address-box{background:rgba(5,5,10,0.5);padding:1rem;border-radius:var(--radius-sm);border:1px solid var(--border-subtle);font-family:"JetBrains Mono","Courier New",monospace;word-break:break-all;font-size:0.85rem;color:var(--text-primary);text-align:center;width:100%;margin-bottom:1.5rem}.copy-button{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.85rem 1.5rem;background:rgba(255,255,255,0.05);color:var(--text-primary);text-decoration:none;border-radius:var(--radius-pill);border:1px solid var(--border-subtle);font-weight:500;font-size:0.95rem;transition:all var(--transition-fast);width:100%;cursor:pointer;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none}.copy-button:hover{background:var(--text-primary);color:var(--bg-base);transform:translateY(-2px)}.qr-img{width:160px;height:160px;object-fit:contain;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:white;padding:10px;margin-top:1.5rem}.note-box{background:rgba(16,185,129,0.05);border:1px solid rgba(16,185,129,0.2);border-radius:var(--radius-md);padding:1.5rem;margin:2rem auto;max-width:750px;text-align:center;position:relative;overflow:hidden}.note-box::before{content:"";position:absolute;top:0;left:0;width:3px;height:100%;background:linear-gradient(to bottom,var(--accent-green),#047857)}.note-title{display:flex;align-items:center;justify-content:center;gap:0.5rem;font-weight:600;color:var(--accent-green);margin-bottom:0.75rem;font-size:1.1rem}.note-box p{color:var(--text-secondary);margin:0;font-size:1rem}.warning-box{background:rgba(239,68,68,0.05);border:1px solid rgba(239,68,68,0.2);border-radius:var(--radius-md);padding:1.5rem;margin:0 auto;max-width:750px;text-align:center;position:relative;overflow:hidden}.warning-box::before{content:"";position:absolute;top:0;left:0;width:3px;height:100%;background:linear-gradient(to bottom,var(--accent-red),#b91c1c)}.warning-title{display:flex;align-items:center;justify-content:center;gap:0.5rem;font-weight:600;color:var(--accent-red);margin-bottom:0.75rem;font-size:1.1rem}.warning-box p{text-align:center;margin-bottom:1rem;font-size:1rem;color:var(--text-secondary)}.warning-box p:last-child{margin-bottom:0}.community-link{color:var(--primary);text-decoration:none;font-weight:500;transition:all var(--transition-smooth);position:relative}.community-link::after{content:'';position:absolute;bottom:-2px;left:0;width:100%;height:1px;background:var(--primary);transition:width var(--transition-smooth)}.community-link:hover{text-shadow:0 0 10px rgba(0,240,255,0.4)}.back-section{margin-top:5rem;text-align:center}.back-button{display:inline-flex;align-items:center;gap:0.75rem;padding:0.85rem 2rem;background:rgba(255,255,255,0.05);color:var(--text-primary);text-decoration:none;border-radius:var(--radius-pill);border:1px solid var(--border-subtle);font-weight:500;font-size:1rem;transition:all var(--transition-fast);cursor:pointer;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none}.back-button:hover{background:var(--text-primary);color:var(--bg-base);transform:translateY(-2px);box-shadow:0 10px 20px rgba(255,255,255,0.1)}.toast{position:fixed;bottom:2rem;left:50%;transform:translateX(-50%) translateY(20px);background:var(--bg-surface);border:1px solid var(--primary);color:var(--text-primary);padding:1rem 2rem;border-radius:var(--radius-pill);font-weight:500;opacity:0;visibility:hidden;transition:all var(--transition-smooth);z-index:9999;box-shadow:0 10px 25px rgba(0,0,0,0.5),0 0 15px rgba(0,240,255,0.2);backdrop-filter:blur(8px)}.toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}.back-to-top{position:fixed;bottom:2rem;right:2rem;width:50px;height:50px;background:linear-gradient(135deg,var(--primary),var(--secondary));color:var(--dark-bg);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all 0.3s ease;box-shadow:0 4px 15px rgba(0,240,255,0.3);opacity:0;visibility:hidden;z-index:99;border:none;outline:none}.back-to-top.visible{opacity:1;visibility:visible}.back-to-top:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(0,240,255,0.4)}footer{margin-top:auto;padding:1.5rem;text-align:center;color:var(--text-secondary);font-size:0.9rem;border-top:1px solid rgba(255,255,255,0.1);backdrop-filter:var(--glass-blur)}footer a{color:#94a3b8;text-decoration:none;transition:color 0.3s ease;font-weight:500}footer a:hover{color:var(--primary)}.footer-links{display:flex;justify-content:center;gap:1.5rem;margin-bottom:1rem;flex-wrap:wrap}.footer-link{color:#94a3b8;text-decoration:none;font-weight:500;transition:color 0.3s ease;font-size:0.9rem}.footer-link:hover{color:var(--primary)}.copyright{color:#64748b;font-size:0.85rem}@keyframes clickPulse{0%{transform:scale(1)}50%{transform:scale(0.95)}100%{transform:scale(1)}}@media (max-width:1024px){header{flex-wrap:wrap;gap:1rem;padding:1rem}.header-left{order:1;width:100%;justify-content:center}nav.header-center{order:3;width:100%;justify-content:center;flex-wrap:wrap}.header-right{order:2;width:100%;justify-content:center}.header-search-input{min-width:200px}.full-page-container{padding:3rem 1.5rem}}@media (max-width:768px){.header-search-input{min-width:150px}nav.header-center a{padding:0.4rem 0.7rem;font-size:0.85rem}nav.header-center a .link-text{display:none}.full-page-container{padding:2rem 1rem}.page-title{font-size:2.5rem}.support-section{padding:2rem 1.5rem}.section-title{font-size:1.5rem}.crypto-grid{grid-template-columns:1fr;gap:1.5rem;max-width:400px}.info-box,.warning-box,.note-box{padding:1.5rem}.back-to-top{width:40px;height:40px;bottom:1rem;right:1rem}.toast{width:90%;text-align:center}}@media (max-width:480px){.page-title{font-size:2rem}.support-section{padding:1.5rem 1rem}.section-title{font-size:1.35rem}.crypto-card{padding:2rem 1rem}.crypto-icon{font-size:2.5rem}.address-box{font-size:0.75rem;padding:0.75rem}.warning-title,.note-title,.info-title{flex-direction:column;text-align:center;gap:0.5rem;font-size:1rem}.footer-links{flex-direction:row;flex-wrap:wrap;justify-content:center;gap:1.25rem}}@media print{body::before{display:none}header,footer,.back-to-top,.toast{display:none}}